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[2620:137:e000::1:20]) by mx.google.com with ESMTP id q3-20020a17090a430300b002194e3376c0si9285431pjg.175.2022.12.02.04.07.36; Fri, 02 Dec 2022 04:07:53 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linux.dev header.s=key1 header.b=O4Eex9Px; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.dev Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232740AbiLBMCx (ORCPT + 99 others); Fri, 2 Dec 2022 07:02:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53290 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233389AbiLBMCr (ORCPT ); Fri, 2 Dec 2022 07:02:47 -0500 Received: from out2.migadu.com (out2.migadu.com [IPv6:2001:41d0:2:aacc::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 777F121E13 for ; Fri, 2 Dec 2022 04:02:40 -0800 (PST) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1669982558; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=XM1eLSqwl0g8R0Nvq1zVvX+v55M56OQ0eCGbGphB+bI=; b=O4Eex9PxQ3j/6XBEjRzUerMYpfaQPNH1z0jLhriV7N3tKZYfBNC+oozi6VTr/ANkxd3EpZ vUxhhTPi5J+0AkKs/eyVhKST92TwmLJj1J3+Blk73tY/6WIj0vKWUs4PB3xDynjRluEHBz T98KMWNYyjNw7I7h5THtpld0Idg2aFU= From: Cai Huoqing To: cai.huoqing@linux.dev Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Randy Dunlap , Borislav Petkov , Danilo Krummrich , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [RESEND PATCH linux-next 2/2] drm: Remove some obsolete drivers(tdfx, mga, i810, savage, r128, sis) Date: Fri, 2 Dec 2022 20:01:21 +0800 Message-Id: <20221202120230.20264-1-cai.huoqing@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_PASS, SPF_PASS,TO_EQ_FM_DIRECT_MX autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1751103133020041772?= X-GMAIL-MSGID: =?utf-8?q?1751103961631821717?= Commit 399516ab0fee ("MAINTAINERS: Add a bunch of legacy (UMS) DRM drivers") marked these drivers obsolete 7 years ago. And the mesa UMD of these drm drivers already in deprecated list in the link: https://docs.mesa3d.org/systems.html 3dfx Glide-->driver/gpu/drm/tdfx Matrox-->driver/gpu/drm/mga Intel i810-->driver/gpu/drm/i810 S3 Savage-->drivers/gpu/drm/savage/ ATI Rage 128->drivers/gpu/drm/r128/ Silicon Integrated Systems->drivers/gpu/drm/sis/ It's time to remove these. Signed-off-by: Cai Huoqing --- drivers/gpu/drm/Kconfig | 50 - drivers/gpu/drm/Makefile | 6 - drivers/gpu/drm/i810/Makefile | 8 - drivers/gpu/drm/i810/i810_dma.c | 1266 ------------------- drivers/gpu/drm/i810/i810_drv.c | 101 -- drivers/gpu/drm/i810/i810_drv.h | 246 ---- drivers/gpu/drm/mga/Makefile | 11 - drivers/gpu/drm/mga/mga_dma.c | 1168 ------------------ drivers/gpu/drm/mga/mga_drv.c | 104 -- drivers/gpu/drm/mga/mga_drv.h | 685 ----------- drivers/gpu/drm/mga/mga_ioc32.c | 197 --- drivers/gpu/drm/mga/mga_irq.c | 169 --- drivers/gpu/drm/mga/mga_state.c | 1099 ----------------- drivers/gpu/drm/mga/mga_warp.c | 167 --- drivers/gpu/drm/r128/Makefile | 10 - drivers/gpu/drm/r128/ati_pcigart.c | 228 ---- drivers/gpu/drm/r128/ati_pcigart.h | 31 - drivers/gpu/drm/r128/r128_cce.c | 944 -------------- drivers/gpu/drm/r128/r128_drv.c | 116 -- drivers/gpu/drm/r128/r128_drv.h | 544 -------- drivers/gpu/drm/r128/r128_ioc32.c | 199 --- drivers/gpu/drm/r128/r128_irq.c | 118 -- drivers/gpu/drm/r128/r128_state.c | 1641 ------------------------- drivers/gpu/drm/savage/Makefile | 9 - drivers/gpu/drm/savage/savage_bci.c | 1082 ---------------- drivers/gpu/drm/savage/savage_drv.c | 91 -- drivers/gpu/drm/savage/savage_drv.h | 580 --------- drivers/gpu/drm/savage/savage_state.c | 1169 ------------------ drivers/gpu/drm/sis/Makefile | 10 - drivers/gpu/drm/sis/sis_drv.c | 143 --- drivers/gpu/drm/sis/sis_drv.h | 80 -- drivers/gpu/drm/sis/sis_mm.c | 363 ------ drivers/gpu/drm/tdfx/Makefile | 8 - drivers/gpu/drm/tdfx/tdfx_drv.c | 90 -- drivers/gpu/drm/tdfx/tdfx_drv.h | 47 - 35 files changed, 12780 deletions(-) delete mode 100644 drivers/gpu/drm/i810/Makefile delete mode 100644 drivers/gpu/drm/i810/i810_dma.c delete mode 100644 drivers/gpu/drm/i810/i810_drv.c delete mode 100644 drivers/gpu/drm/i810/i810_drv.h delete mode 100644 drivers/gpu/drm/mga/Makefile delete mode 100644 drivers/gpu/drm/mga/mga_dma.c delete mode 100644 drivers/gpu/drm/mga/mga_drv.c delete mode 100644 drivers/gpu/drm/mga/mga_drv.h delete mode 100644 drivers/gpu/drm/mga/mga_ioc32.c delete mode 100644 drivers/gpu/drm/mga/mga_irq.c delete mode 100644 drivers/gpu/drm/mga/mga_state.c delete mode 100644 drivers/gpu/drm/mga/mga_warp.c delete mode 100644 drivers/gpu/drm/r128/Makefile delete mode 100644 drivers/gpu/drm/r128/ati_pcigart.c delete mode 100644 drivers/gpu/drm/r128/ati_pcigart.h delete mode 100644 drivers/gpu/drm/r128/r128_cce.c delete mode 100644 drivers/gpu/drm/r128/r128_drv.c delete mode 100644 drivers/gpu/drm/r128/r128_drv.h delete mode 100644 drivers/gpu/drm/r128/r128_ioc32.c delete mode 100644 drivers/gpu/drm/r128/r128_irq.c delete mode 100644 drivers/gpu/drm/r128/r128_state.c delete mode 100644 drivers/gpu/drm/savage/Makefile delete mode 100644 drivers/gpu/drm/savage/savage_bci.c delete mode 100644 drivers/gpu/drm/savage/savage_drv.c delete mode 100644 drivers/gpu/drm/savage/savage_drv.h delete mode 100644 drivers/gpu/drm/savage/savage_state.c delete mode 100644 drivers/gpu/drm/sis/Makefile delete mode 100644 drivers/gpu/drm/sis/sis_drv.c delete mode 100644 drivers/gpu/drm/sis/sis_drv.h delete mode 100644 drivers/gpu/drm/sis/sis_mm.c delete mode 100644 drivers/gpu/drm/tdfx/Makefile delete mode 100644 drivers/gpu/drm/tdfx/tdfx_drv.c delete mode 100644 drivers/gpu/drm/tdfx/tdfx_drv.h diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 315cbdf61979..a70a87798894 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -392,49 +392,6 @@ menuconfig DRM_LEGACY if DRM_LEGACY -config DRM_TDFX - tristate "3dfx Banshee/Voodoo3+" - depends on DRM && PCI - help - Choose this option if you have a 3dfx Banshee or Voodoo3 (or later), - graphics card. If M is selected, the module will be called tdfx. - -config DRM_R128 - tristate "ATI Rage 128" - depends on DRM && PCI - select FW_LOADER - help - Choose this option if you have an ATI Rage 128 graphics card. If M - is selected, the module will be called r128. AGP support for - this card is strongly suggested (unless you have a PCI version). - -config DRM_I810 - tristate "Intel I810" - # !PREEMPTION because of missing ioctl locking - depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN) - help - Choose this option if you have an Intel I810 graphics card. If M is - selected, the module will be called i810. AGP support is required - for this driver to work. - -config DRM_MGA - tristate "Matrox g200/g400" - depends on DRM && PCI - select FW_LOADER - help - Choose this option if you have a Matrox G200, G400 or G450 graphics - card. If M is selected, the module will be called mga. AGP - support is required for this driver to work. - -config DRM_SIS - tristate "SiS video cards" - depends on DRM && AGP - depends on FB_SIS || FB_SIS=n - help - Choose this option if you have a SiS 630 or compatible video - chipset. If M is selected the module will be called sis. AGP - support is required for this driver to work. - config DRM_VIA tristate "Via unichrome video cards" depends on DRM && PCI @@ -442,13 +399,6 @@ config DRM_VIA Choose this option if you have a Via unichrome or compatible video chipset. If M is selected the module will be called via. -config DRM_SAVAGE - tristate "Savage video cards" - depends on DRM && PCI - help - Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister - chipset. If M is selected the module will be called savage. - endif # DRM_LEGACY config DRM_EXPORT_FOR_TESTS diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index cc637343d87b..489fadf19507 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -134,19 +134,13 @@ obj-y += arm/ obj-y += display/ obj-$(CONFIG_DRM_TTM) += ttm/ obj-$(CONFIG_DRM_SCHED) += scheduler/ -obj-$(CONFIG_DRM_TDFX) += tdfx/ -obj-$(CONFIG_DRM_R128) += r128/ obj-$(CONFIG_DRM_RADEON)+= radeon/ obj-$(CONFIG_DRM_AMDGPU)+= amd/amdgpu/ -obj-$(CONFIG_DRM_MGA) += mga/ -obj-$(CONFIG_DRM_I810) += i810/ obj-$(CONFIG_DRM_I915) += i915/ obj-$(CONFIG_DRM_KMB_DISPLAY) += kmb/ obj-$(CONFIG_DRM_MGAG200) += mgag200/ obj-$(CONFIG_DRM_V3D) += v3d/ obj-$(CONFIG_DRM_VC4) += vc4/ -obj-$(CONFIG_DRM_SIS) += sis/ -obj-$(CONFIG_DRM_SAVAGE)+= savage/ obj-$(CONFIG_DRM_VMWGFX)+= vmwgfx/ obj-$(CONFIG_DRM_VIA) +=via/ obj-$(CONFIG_DRM_VGEM) += vgem/ diff --git a/drivers/gpu/drm/i810/Makefile b/drivers/gpu/drm/i810/Makefile deleted file mode 100644 index c181f8528c5c..000000000000 --- a/drivers/gpu/drm/i810/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for the drm device driver. This driver provides support for the -# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. - -i810-y := i810_drv.o i810_dma.o - -obj-$(CONFIG_DRM_I810) += i810.o diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c deleted file mode 100644 index 9fb4dd63342f..000000000000 --- a/drivers/gpu/drm/i810/i810_dma.c +++ /dev/null @@ -1,1266 +0,0 @@ -/* i810_dma.c -- DMA support for the i810 -*- linux-c -*- - * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith - * Jeff Hartmann - * Keith Whitwell - * - */ - -#include -#include -#include - -#include -#include -#include -#include -#include -#include - -#include "i810_drv.h" - -#define I810_BUF_FREE 2 -#define I810_BUF_CLIENT 1 -#define I810_BUF_HARDWARE 0 - -#define I810_BUF_UNMAPPED 0 -#define I810_BUF_MAPPED 1 - -static struct drm_buf *i810_freelist_get(struct drm_device * dev) -{ - struct drm_device_dma *dma = dev->dma; - int i; - int used; - - /* Linear search might not be the best solution */ - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I810_BUF_FREE, - I810_BUF_CLIENT); - if (used == I810_BUF_FREE) - return buf; - } - return NULL; -} - -/* This should only be called if the buffer is not sent to the hardware - * yet, the hardware updates in use for us once its on the ring buffer. - */ - -static int i810_freelist_put(struct drm_device *dev, struct drm_buf *buf) -{ - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - int used; - - /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE); - if (used != I810_BUF_CLIENT) { - DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); - return -EINVAL; - } - - return 0; -} - -static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) -{ - struct drm_file *priv = filp->private_data; - struct drm_device *dev; - drm_i810_private_t *dev_priv; - struct drm_buf *buf; - drm_i810_buf_priv_t *buf_priv; - - dev = priv->minor->dev; - dev_priv = dev->dev_private; - buf = dev_priv->mmap_buffer; - buf_priv = buf->dev_private; - - vma->vm_flags |= VM_DONTCOPY; - - buf_priv->currently_mapped = I810_BUF_MAPPED; - - if (io_remap_pfn_range(vma, vma->vm_start, - vma->vm_pgoff, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) - return -EAGAIN; - return 0; -} - -static const struct file_operations i810_buffer_fops = { - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = drm_ioctl, - .mmap = i810_mmap_buffers, - .compat_ioctl = drm_compat_ioctl, - .llseek = noop_llseek, -}; - -static int i810_map_buffer(struct drm_buf *buf, struct drm_file *file_priv) -{ - struct drm_device *dev = file_priv->minor->dev; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - drm_i810_private_t *dev_priv = dev->dev_private; - const struct file_operations *old_fops; - int retcode = 0; - - if (buf_priv->currently_mapped == I810_BUF_MAPPED) - return -EINVAL; - - /* This is all entirely broken */ - old_fops = file_priv->filp->f_op; - file_priv->filp->f_op = &i810_buffer_fops; - dev_priv->mmap_buffer = buf; - buf_priv->virtual = (void *)vm_mmap(file_priv->filp, 0, buf->total, - PROT_READ | PROT_WRITE, - MAP_SHARED, buf->bus_address); - dev_priv->mmap_buffer = NULL; - file_priv->filp->f_op = old_fops; - if (IS_ERR(buf_priv->virtual)) { - /* Real error */ - DRM_ERROR("mmap error\n"); - retcode = PTR_ERR(buf_priv->virtual); - buf_priv->virtual = NULL; - } - - return retcode; -} - -static int i810_unmap_buffer(struct drm_buf *buf) -{ - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - int retcode = 0; - - if (buf_priv->currently_mapped != I810_BUF_MAPPED) - return -EINVAL; - - retcode = vm_munmap((unsigned long)buf_priv->virtual, - (size_t) buf->total); - - buf_priv->currently_mapped = I810_BUF_UNMAPPED; - buf_priv->virtual = NULL; - - return retcode; -} - -static int i810_dma_get_buffer(struct drm_device *dev, drm_i810_dma_t *d, - struct drm_file *file_priv) -{ - struct drm_buf *buf; - drm_i810_buf_priv_t *buf_priv; - int retcode = 0; - - buf = i810_freelist_get(dev); - if (!buf) { - retcode = -ENOMEM; - DRM_DEBUG("retcode=%d\n", retcode); - return retcode; - } - - retcode = i810_map_buffer(buf, file_priv); - if (retcode) { - i810_freelist_put(dev, buf); - DRM_ERROR("mapbuf failed, retcode %d\n", retcode); - return retcode; - } - buf->file_priv = file_priv; - buf_priv = buf->dev_private; - d->granted = 1; - d->request_idx = buf->idx; - d->request_size = buf->total; - d->virtual = buf_priv->virtual; - - return retcode; -} - -static int i810_dma_cleanup(struct drm_device *dev) -{ - struct drm_device_dma *dma = dev->dma; - - /* Make sure interrupts are disabled here because the uninstall ioctl - * may not have been called from userspace and after dev_private - * is freed, it's too late. - */ - if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ) && dev->irq_enabled) - drm_legacy_irq_uninstall(dev); - - if (dev->dev_private) { - int i; - drm_i810_private_t *dev_priv = - (drm_i810_private_t *) dev->dev_private; - - if (dev_priv->ring.virtual_start) - drm_legacy_ioremapfree(&dev_priv->ring.map, dev); - if (dev_priv->hw_status_page) { - dma_free_coherent(dev->dev, PAGE_SIZE, - dev_priv->hw_status_page, - dev_priv->dma_status_page); - } - kfree(dev->dev_private); - dev->dev_private = NULL; - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - - if (buf_priv->kernel_virtual && buf->total) - drm_legacy_ioremapfree(&buf_priv->map, dev); - } - } - return 0; -} - -static int i810_wait_ring(struct drm_device *dev, int n) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_ring_buffer_t *ring = &(dev_priv->ring); - int iters = 0; - unsigned long end; - unsigned int last_head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - - end = jiffies + (HZ * 3); - while (ring->space < n) { - ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->Size; - - if (ring->head != last_head) { - end = jiffies + (HZ * 3); - last_head = ring->head; - } - - iters++; - if (time_before(end, jiffies)) { - DRM_ERROR("space: %d wanted %d\n", ring->space, n); - DRM_ERROR("lockup\n"); - goto out_wait_ring; - } - udelay(1); - } - -out_wait_ring: - return iters; -} - -static void i810_kernel_lost_context(struct drm_device *dev) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_ring_buffer_t *ring = &(dev_priv->ring); - - ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; - ring->tail = I810_READ(LP_RING + RING_TAIL); - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->Size; -} - -static int i810_freelist_init(struct drm_device *dev, drm_i810_private_t *dev_priv) -{ - struct drm_device_dma *dma = dev->dma; - int my_idx = 24; - u32 *hw_status = (u32 *) (dev_priv->hw_status_page + my_idx); - int i; - - if (dma->buf_count > 1019) { - /* Not enough space in the status page for the freelist */ - return -EINVAL; - } - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - - buf_priv->in_use = hw_status++; - buf_priv->my_use_idx = my_idx; - my_idx += 4; - - *buf_priv->in_use = I810_BUF_FREE; - - buf_priv->map.offset = buf->bus_address; - buf_priv->map.size = buf->total; - buf_priv->map.type = _DRM_AGP; - buf_priv->map.flags = 0; - buf_priv->map.mtrr = 0; - - drm_legacy_ioremap(&buf_priv->map, dev); - buf_priv->kernel_virtual = buf_priv->map.handle; - - } - return 0; -} - -static int i810_dma_initialize(struct drm_device *dev, - drm_i810_private_t *dev_priv, - drm_i810_init_t *init) -{ - struct drm_map_list *r_list; - memset(dev_priv, 0, sizeof(drm_i810_private_t)); - - list_for_each_entry(r_list, &dev->maplist, head) { - if (r_list->map && - r_list->map->type == _DRM_SHM && - r_list->map->flags & _DRM_CONTAINS_LOCK) { - dev_priv->sarea_map = r_list->map; - break; - } - } - if (!dev_priv->sarea_map) { - dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("can not find sarea!\n"); - return -EINVAL; - } - dev_priv->mmio_map = drm_legacy_findmap(dev, init->mmio_offset); - if (!dev_priv->mmio_map) { - dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("can not find mmio map!\n"); - return -EINVAL; - } - dev->agp_buffer_token = init->buffers_offset; - dev->agp_buffer_map = drm_legacy_findmap(dev, init->buffers_offset); - if (!dev->agp_buffer_map) { - dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("can not find dma buffer map!\n"); - return -EINVAL; - } - - dev_priv->sarea_priv = (drm_i810_sarea_t *) - ((u8 *) dev_priv->sarea_map->handle + init->sarea_priv_offset); - - dev_priv->ring.Start = init->ring_start; - dev_priv->ring.End = init->ring_end; - dev_priv->ring.Size = init->ring_size; - - dev_priv->ring.map.offset = dev->agp->base + init->ring_start; - dev_priv->ring.map.size = init->ring_size; - dev_priv->ring.map.type = _DRM_AGP; - dev_priv->ring.map.flags = 0; - dev_priv->ring.map.mtrr = 0; - - drm_legacy_ioremap(&dev_priv->ring.map, dev); - - if (dev_priv->ring.map.handle == NULL) { - dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("can not ioremap virtual address for" - " ring buffer\n"); - return -ENOMEM; - } - - dev_priv->ring.virtual_start = dev_priv->ring.map.handle; - - dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; - - dev_priv->w = init->w; - dev_priv->h = init->h; - dev_priv->pitch = init->pitch; - dev_priv->back_offset = init->back_offset; - dev_priv->depth_offset = init->depth_offset; - dev_priv->front_offset = init->front_offset; - - dev_priv->overlay_offset = init->overlay_offset; - dev_priv->overlay_physical = init->overlay_physical; - - dev_priv->front_di1 = init->front_offset | init->pitch_bits; - dev_priv->back_di1 = init->back_offset | init->pitch_bits; - dev_priv->zi1 = init->depth_offset | init->pitch_bits; - - /* Program Hardware Status Page */ - dev_priv->hw_status_page = - dma_alloc_coherent(dev->dev, PAGE_SIZE, - &dev_priv->dma_status_page, GFP_KERNEL); - if (!dev_priv->hw_status_page) { - dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("Can not allocate hardware status page\n"); - return -ENOMEM; - } - DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); - - I810_WRITE(0x02080, dev_priv->dma_status_page); - DRM_DEBUG("Enabled hardware status page\n"); - - /* Now we need to init our freelist */ - if (i810_freelist_init(dev, dev_priv) != 0) { - dev->dev_private = (void *)dev_priv; - i810_dma_cleanup(dev); - DRM_ERROR("Not enough space in the status page for" - " the freelist\n"); - return -ENOMEM; - } - dev->dev_private = (void *)dev_priv; - - return 0; -} - -static int i810_dma_init(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i810_private_t *dev_priv; - drm_i810_init_t *init = data; - int retcode = 0; - - switch (init->func) { - case I810_INIT_DMA_1_4: - DRM_INFO("Using v1.4 init.\n"); - dev_priv = kmalloc(sizeof(drm_i810_private_t), GFP_KERNEL); - if (dev_priv == NULL) - return -ENOMEM; - retcode = i810_dma_initialize(dev, dev_priv, init); - break; - - case I810_CLEANUP_DMA: - DRM_INFO("DMA Cleanup\n"); - retcode = i810_dma_cleanup(dev); - break; - default: - return -EINVAL; - } - - return retcode; -} - -/* Most efficient way to verify state for the i810 is as it is - * emitted. Non-conformant state is silently dropped. - * - * Use 'volatile' & local var tmp to force the emitted values to be - * identical to the verified ones. - */ -static void i810EmitContextVerified(struct drm_device *dev, - volatile unsigned int *code) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - int i, j = 0; - unsigned int tmp; - RING_LOCALS; - - BEGIN_LP_RING(I810_CTX_SETUP_SIZE); - - OUT_RING(GFX_OP_COLOR_FACTOR); - OUT_RING(code[I810_CTXREG_CF1]); - - OUT_RING(GFX_OP_STIPPLE); - OUT_RING(code[I810_CTXREG_ST1]); - - for (i = 4; i < I810_CTX_SETUP_SIZE; i++) { - tmp = code[i]; - - if ((tmp & (7 << 29)) == (3 << 29) && - (tmp & (0x1f << 24)) < (0x1d << 24)) { - OUT_RING(tmp); - j++; - } else - printk("constext state dropped!!!\n"); - } - - if (j & 1) - OUT_RING(0); - - ADVANCE_LP_RING(); -} - -static void i810EmitTexVerified(struct drm_device *dev, volatile unsigned int *code) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - int i, j = 0; - unsigned int tmp; - RING_LOCALS; - - BEGIN_LP_RING(I810_TEX_SETUP_SIZE); - - OUT_RING(GFX_OP_MAP_INFO); - OUT_RING(code[I810_TEXREG_MI1]); - OUT_RING(code[I810_TEXREG_MI2]); - OUT_RING(code[I810_TEXREG_MI3]); - - for (i = 4; i < I810_TEX_SETUP_SIZE; i++) { - tmp = code[i]; - - if ((tmp & (7 << 29)) == (3 << 29) && - (tmp & (0x1f << 24)) < (0x1d << 24)) { - OUT_RING(tmp); - j++; - } else - printk("texture state dropped!!!\n"); - } - - if (j & 1) - OUT_RING(0); - - ADVANCE_LP_RING(); -} - -/* Need to do some additional checking when setting the dest buffer. - */ -static void i810EmitDestVerified(struct drm_device *dev, - volatile unsigned int *code) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - unsigned int tmp; - RING_LOCALS; - - BEGIN_LP_RING(I810_DEST_SETUP_SIZE + 2); - - tmp = code[I810_DESTREG_DI1]; - if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) { - OUT_RING(CMD_OP_DESTBUFFER_INFO); - OUT_RING(tmp); - } else - DRM_DEBUG("bad di1 %x (allow %x or %x)\n", - tmp, dev_priv->front_di1, dev_priv->back_di1); - - /* invarient: - */ - OUT_RING(CMD_OP_Z_BUFFER_INFO); - OUT_RING(dev_priv->zi1); - - OUT_RING(GFX_OP_DESTBUFFER_VARS); - OUT_RING(code[I810_DESTREG_DV1]); - - OUT_RING(GFX_OP_DRAWRECT_INFO); - OUT_RING(code[I810_DESTREG_DR1]); - OUT_RING(code[I810_DESTREG_DR2]); - OUT_RING(code[I810_DESTREG_DR3]); - OUT_RING(code[I810_DESTREG_DR4]); - OUT_RING(0); - - ADVANCE_LP_RING(); -} - -static void i810EmitState(struct drm_device *dev) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int dirty = sarea_priv->dirty; - - DRM_DEBUG("%x\n", dirty); - - if (dirty & I810_UPLOAD_BUFFERS) { - i810EmitDestVerified(dev, sarea_priv->BufferState); - sarea_priv->dirty &= ~I810_UPLOAD_BUFFERS; - } - - if (dirty & I810_UPLOAD_CTX) { - i810EmitContextVerified(dev, sarea_priv->ContextState); - sarea_priv->dirty &= ~I810_UPLOAD_CTX; - } - - if (dirty & I810_UPLOAD_TEX0) { - i810EmitTexVerified(dev, sarea_priv->TexState[0]); - sarea_priv->dirty &= ~I810_UPLOAD_TEX0; - } - - if (dirty & I810_UPLOAD_TEX1) { - i810EmitTexVerified(dev, sarea_priv->TexState[1]); - sarea_priv->dirty &= ~I810_UPLOAD_TEX1; - } -} - -/* need to verify - */ -static void i810_dma_dispatch_clear(struct drm_device *dev, int flags, - unsigned int clear_color, - unsigned int clear_zval) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; - int nbox = sarea_priv->nbox; - struct drm_clip_rect *pbox = sarea_priv->boxes; - int pitch = dev_priv->pitch; - int cpp = 2; - int i; - RING_LOCALS; - - if (dev_priv->current_page == 1) { - unsigned int tmp = flags; - - flags &= ~(I810_FRONT | I810_BACK); - if (tmp & I810_FRONT) - flags |= I810_BACK; - if (tmp & I810_BACK) - flags |= I810_FRONT; - } - - i810_kernel_lost_context(dev); - - if (nbox > I810_NR_SAREA_CLIPRECTS) - nbox = I810_NR_SAREA_CLIPRECTS; - - for (i = 0; i < nbox; i++, pbox++) { - unsigned int x = pbox->x1; - unsigned int y = pbox->y1; - unsigned int width = (pbox->x2 - x) * cpp; - unsigned int height = pbox->y2 - y; - unsigned int start = y * pitch + x * cpp; - - if (pbox->x1 > pbox->x2 || - pbox->y1 > pbox->y2 || - pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) - continue; - - if (flags & I810_FRONT) { - BEGIN_LP_RING(6); - OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3); - OUT_RING(BR13_SOLID_PATTERN | (0xF0 << 16) | pitch); - OUT_RING((height << 16) | width); - OUT_RING(start); - OUT_RING(clear_color); - OUT_RING(0); - ADVANCE_LP_RING(); - } - - if (flags & I810_BACK) { - BEGIN_LP_RING(6); - OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3); - OUT_RING(BR13_SOLID_PATTERN | (0xF0 << 16) | pitch); - OUT_RING((height << 16) | width); - OUT_RING(dev_priv->back_offset + start); - OUT_RING(clear_color); - OUT_RING(0); - ADVANCE_LP_RING(); - } - - if (flags & I810_DEPTH) { - BEGIN_LP_RING(6); - OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3); - OUT_RING(BR13_SOLID_PATTERN | (0xF0 << 16) | pitch); - OUT_RING((height << 16) | width); - OUT_RING(dev_priv->depth_offset + start); - OUT_RING(clear_zval); - OUT_RING(0); - ADVANCE_LP_RING(); - } - } -} - -static void i810_dma_dispatch_swap(struct drm_device *dev) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; - int nbox = sarea_priv->nbox; - struct drm_clip_rect *pbox = sarea_priv->boxes; - int pitch = dev_priv->pitch; - int cpp = 2; - int i; - RING_LOCALS; - - DRM_DEBUG("swapbuffers\n"); - - i810_kernel_lost_context(dev); - - if (nbox > I810_NR_SAREA_CLIPRECTS) - nbox = I810_NR_SAREA_CLIPRECTS; - - for (i = 0; i < nbox; i++, pbox++) { - unsigned int w = pbox->x2 - pbox->x1; - unsigned int h = pbox->y2 - pbox->y1; - unsigned int dst = pbox->x1 * cpp + pbox->y1 * pitch; - unsigned int start = dst; - - if (pbox->x1 > pbox->x2 || - pbox->y1 > pbox->y2 || - pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) - continue; - - BEGIN_LP_RING(6); - OUT_RING(BR00_BITBLT_CLIENT | BR00_OP_SRC_COPY_BLT | 0x4); - OUT_RING(pitch | (0xCC << 16)); - OUT_RING((h << 16) | (w * cpp)); - if (dev_priv->current_page == 0) - OUT_RING(dev_priv->front_offset + start); - else - OUT_RING(dev_priv->back_offset + start); - OUT_RING(pitch); - if (dev_priv->current_page == 0) - OUT_RING(dev_priv->back_offset + start); - else - OUT_RING(dev_priv->front_offset + start); - ADVANCE_LP_RING(); - } -} - -static void i810_dma_dispatch_vertex(struct drm_device *dev, - struct drm_buf *buf, int discard, int used) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; - struct drm_clip_rect *box = sarea_priv->boxes; - int nbox = sarea_priv->nbox; - unsigned long address = (unsigned long)buf->bus_address; - unsigned long start = address - dev->agp->base; - int i = 0; - RING_LOCALS; - - i810_kernel_lost_context(dev); - - if (nbox > I810_NR_SAREA_CLIPRECTS) - nbox = I810_NR_SAREA_CLIPRECTS; - - if (used < 0 || used > 4 * 1024) - used = 0; - - if (sarea_priv->dirty) - i810EmitState(dev); - - if (buf_priv->currently_mapped == I810_BUF_MAPPED) { - unsigned int prim = (sarea_priv->vertex_prim & PR_MASK); - - *(u32 *) buf_priv->kernel_virtual = - ((GFX_OP_PRIMITIVE | prim | ((used / 4) - 2))); - - if (used & 4) { - *(u32 *) ((char *) buf_priv->kernel_virtual + used) = 0; - used += 4; - } - - i810_unmap_buffer(buf); - } - - if (used) { - do { - if (i < nbox) { - BEGIN_LP_RING(4); - OUT_RING(GFX_OP_SCISSOR | SC_UPDATE_SCISSOR | - SC_ENABLE); - OUT_RING(GFX_OP_SCISSOR_INFO); - OUT_RING(box[i].x1 | (box[i].y1 << 16)); - OUT_RING((box[i].x2 - - 1) | ((box[i].y2 - 1) << 16)); - ADVANCE_LP_RING(); - } - - BEGIN_LP_RING(4); - OUT_RING(CMD_OP_BATCH_BUFFER); - OUT_RING(start | BB1_PROTECTED); - OUT_RING(start + used - 4); - OUT_RING(0); - ADVANCE_LP_RING(); - - } while (++i < nbox); - } - - if (discard) { - dev_priv->counter++; - - (void)cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, - I810_BUF_HARDWARE); - - BEGIN_LP_RING(8); - OUT_RING(CMD_STORE_DWORD_IDX); - OUT_RING(20); - OUT_RING(dev_priv->counter); - OUT_RING(CMD_STORE_DWORD_IDX); - OUT_RING(buf_priv->my_use_idx); - OUT_RING(I810_BUF_FREE); - OUT_RING(CMD_REPORT_HEAD); - OUT_RING(0); - ADVANCE_LP_RING(); - } -} - -static void i810_dma_dispatch_flip(struct drm_device *dev) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - int pitch = dev_priv->pitch; - RING_LOCALS; - - DRM_DEBUG("page=%d pfCurrentPage=%d\n", - dev_priv->current_page, - dev_priv->sarea_priv->pf_current_page); - - i810_kernel_lost_context(dev); - - BEGIN_LP_RING(2); - OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); - OUT_RING(0); - ADVANCE_LP_RING(); - - BEGIN_LP_RING(I810_DEST_SETUP_SIZE + 2); - /* On i815 at least ASYNC is buggy */ - /* pitch<<5 is from 11.2.8 p158, - its the pitch / 8 then left shifted 8, - so (pitch >> 3) << 8 */ - OUT_RING(CMD_OP_FRONTBUFFER_INFO | (pitch << 5) /*| ASYNC_FLIP */ ); - if (dev_priv->current_page == 0) { - OUT_RING(dev_priv->back_offset); - dev_priv->current_page = 1; - } else { - OUT_RING(dev_priv->front_offset); - dev_priv->current_page = 0; - } - OUT_RING(0); - ADVANCE_LP_RING(); - - BEGIN_LP_RING(2); - OUT_RING(CMD_OP_WAIT_FOR_EVENT | WAIT_FOR_PLANE_A_FLIP); - OUT_RING(0); - ADVANCE_LP_RING(); - - /* Increment the frame counter. The client-side 3D driver must - * throttle the framerate by waiting for this value before - * performing the swapbuffer ioctl. - */ - dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; - -} - -static void i810_dma_quiescent(struct drm_device *dev) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - RING_LOCALS; - - i810_kernel_lost_context(dev); - - BEGIN_LP_RING(4); - OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); - OUT_RING(CMD_REPORT_HEAD); - OUT_RING(0); - OUT_RING(0); - ADVANCE_LP_RING(); - - i810_wait_ring(dev, dev_priv->ring.Size - 8); -} - -static void i810_flush_queue(struct drm_device *dev) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - int i; - RING_LOCALS; - - i810_kernel_lost_context(dev); - - BEGIN_LP_RING(2); - OUT_RING(CMD_REPORT_HEAD); - OUT_RING(0); - ADVANCE_LP_RING(); - - i810_wait_ring(dev, dev_priv->ring.Size - 8); - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - - int used = cmpxchg(buf_priv->in_use, I810_BUF_HARDWARE, - I810_BUF_FREE); - - if (used == I810_BUF_HARDWARE) - DRM_DEBUG("reclaimed from HARDWARE\n"); - if (used == I810_BUF_CLIENT) - DRM_DEBUG("still on client\n"); - } - - return; -} - -/* Must be called with the lock held */ -void i810_driver_reclaim_buffers(struct drm_device *dev, - struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - int i; - - if (!dma) - return; - if (!dev->dev_private) - return; - if (!dma->buflist) - return; - - i810_flush_queue(dev); - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - - if (buf->file_priv == file_priv && buf_priv) { - int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, - I810_BUF_FREE); - - if (used == I810_BUF_CLIENT) - DRM_DEBUG("reclaimed from client\n"); - if (buf_priv->currently_mapped == I810_BUF_MAPPED) - buf_priv->currently_mapped = I810_BUF_UNMAPPED; - } - } -} - -static int i810_flush_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - LOCK_TEST_WITH_RETURN(dev, file_priv); - - i810_flush_queue(dev); - return 0; -} - -static int i810_dma_vertex(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; - drm_i810_vertex_t *vertex = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DRM_DEBUG("idx %d used %d discard %d\n", - vertex->idx, vertex->used, vertex->discard); - - if (vertex->idx < 0 || vertex->idx >= dma->buf_count) - return -EINVAL; - - i810_dma_dispatch_vertex(dev, - dma->buflist[vertex->idx], - vertex->discard, vertex->used); - - sarea_priv->last_enqueue = dev_priv->counter - 1; - sarea_priv->last_dispatch = (int)hw_status[5]; - - return 0; -} - -static int i810_clear_bufs(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i810_clear_t *clear = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - /* GH: Someone's doing nasty things... */ - if (!dev->dev_private) - return -EINVAL; - - i810_dma_dispatch_clear(dev, clear->flags, - clear->clear_color, clear->clear_depth); - return 0; -} - -static int i810_swap_bufs(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - i810_dma_dispatch_swap(dev); - return 0; -} - -static int i810_getage(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; - - sarea_priv->last_dispatch = (int)hw_status[5]; - return 0; -} - -static int i810_getbuf(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - int retcode = 0; - drm_i810_dma_t *d = data; - drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - d->granted = 0; - - retcode = i810_dma_get_buffer(dev, d, file_priv); - - DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n", - task_pid_nr(current), retcode, d->granted); - - sarea_priv->last_dispatch = (int)hw_status[5]; - - return retcode; -} - -static int i810_copybuf(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - /* Never copy - 2.4.x doesn't need it */ - return 0; -} - -static int i810_docopy(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - /* Never copy - 2.4.x doesn't need it */ - return 0; -} - -static void i810_dma_dispatch_mc(struct drm_device *dev, struct drm_buf *buf, int used, - unsigned int last_render) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - drm_i810_buf_priv_t *buf_priv = buf->dev_private; - drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned long address = (unsigned long)buf->bus_address; - unsigned long start = address - dev->agp->base; - int u; - RING_LOCALS; - - i810_kernel_lost_context(dev); - - u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_HARDWARE); - if (u != I810_BUF_CLIENT) - DRM_DEBUG("MC found buffer that isn't mine!\n"); - - if (used < 0 || used > 4 * 1024) - used = 0; - - sarea_priv->dirty = 0x7f; - - DRM_DEBUG("addr 0x%lx, used 0x%x\n", address, used); - - dev_priv->counter++; - DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter); - DRM_DEBUG("start : %lx\n", start); - DRM_DEBUG("used : %d\n", used); - DRM_DEBUG("start + used - 4 : %ld\n", start + used - 4); - - if (buf_priv->currently_mapped == I810_BUF_MAPPED) { - if (used & 4) { - *(u32 *) ((char *) buf_priv->virtual + used) = 0; - used += 4; - } - - i810_unmap_buffer(buf); - } - BEGIN_LP_RING(4); - OUT_RING(CMD_OP_BATCH_BUFFER); - OUT_RING(start | BB1_PROTECTED); - OUT_RING(start + used - 4); - OUT_RING(0); - ADVANCE_LP_RING(); - - BEGIN_LP_RING(8); - OUT_RING(CMD_STORE_DWORD_IDX); - OUT_RING(buf_priv->my_use_idx); - OUT_RING(I810_BUF_FREE); - OUT_RING(0); - - OUT_RING(CMD_STORE_DWORD_IDX); - OUT_RING(16); - OUT_RING(last_render); - OUT_RING(0); - ADVANCE_LP_RING(); -} - -static int i810_dma_mc(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - u32 *hw_status = dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; - drm_i810_mc_t *mc = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (mc->idx >= dma->buf_count || mc->idx < 0) - return -EINVAL; - - i810_dma_dispatch_mc(dev, dma->buflist[mc->idx], mc->used, - mc->last_render); - - sarea_priv->last_enqueue = dev_priv->counter - 1; - sarea_priv->last_dispatch = (int)hw_status[5]; - - return 0; -} - -static int i810_rstatus(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - - return (int)(((u32 *) (dev_priv->hw_status_page))[4]); -} - -static int i810_ov0_info(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - drm_i810_overlay_t *ov = data; - - ov->offset = dev_priv->overlay_offset; - ov->physical = dev_priv->overlay_physical; - - return 0; -} - -static int i810_fstatus(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - return I810_READ(0x30008); -} - -static int i810_ov0_flip(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - /* Tell the overlay to update */ - I810_WRITE(0x30000, dev_priv->overlay_physical | 0x80000000); - - return 0; -} - -/* Not sure why this isn't set all the time: - */ -static void i810_do_init_pageflip(struct drm_device *dev) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - - DRM_DEBUG("\n"); - dev_priv->page_flipping = 1; - dev_priv->current_page = 0; - dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; -} - -static int i810_do_cleanup_pageflip(struct drm_device *dev) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - - DRM_DEBUG("\n"); - if (dev_priv->current_page != 0) - i810_dma_dispatch_flip(dev); - - dev_priv->page_flipping = 0; - return 0; -} - -static int i810_flip_bufs(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_i810_private_t *dev_priv = dev->dev_private; - - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (!dev_priv->page_flipping) - i810_do_init_pageflip(dev); - - i810_dma_dispatch_flip(dev); - return 0; -} - -int i810_driver_load(struct drm_device *dev, unsigned long flags) -{ - struct pci_dev *pdev = to_pci_dev(dev->dev); - - dev->agp = drm_legacy_agp_init(dev); - if (dev->agp) { - dev->agp->agp_mtrr = arch_phys_wc_add( - dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * - 1024 * 1024); - } - - /* Our userspace depends upon the agp mapping support. */ - if (!dev->agp) - return -EINVAL; - - pci_set_master(pdev); - - return 0; -} - -void i810_driver_lastclose(struct drm_device *dev) -{ - i810_dma_cleanup(dev); -} - -void i810_driver_preclose(struct drm_device *dev, struct drm_file *file_priv) -{ - if (dev->dev_private) { - drm_i810_private_t *dev_priv = dev->dev_private; - if (dev_priv->page_flipping) - i810_do_cleanup_pageflip(dev); - } - - if (file_priv->master && file_priv->master->lock.hw_lock) { - drm_legacy_idlelock_take(&file_priv->master->lock); - i810_driver_reclaim_buffers(dev, file_priv); - drm_legacy_idlelock_release(&file_priv->master->lock); - } else { - /* master disappeared, clean up stuff anyway and hope nothing - * goes wrong */ - i810_driver_reclaim_buffers(dev, file_priv); - } - -} - -int i810_driver_dma_quiescent(struct drm_device *dev) -{ - i810_dma_quiescent(dev); - return 0; -} - -const struct drm_ioctl_desc i810_ioctls[] = { - DRM_IOCTL_DEF_DRV(I810_INIT, i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_VERTEX, i810_dma_vertex, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_CLEAR, i810_clear_bufs, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_FLUSH, i810_flush_ioctl, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_GETAGE, i810_getage, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_GETBUF, i810_getbuf, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_SWAP, i810_swap_bufs, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_COPY, i810_copybuf, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_DOCOPY, i810_docopy, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_OV0INFO, i810_ov0_info, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_FSTATUS, i810_fstatus, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_OV0FLIP, i810_ov0_flip, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_MC, i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_RSTATUS, i810_rstatus, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF_DRV(I810_FLIP, i810_flip_bufs, DRM_AUTH|DRM_UNLOCKED), -}; - -int i810_max_ioctl = ARRAY_SIZE(i810_ioctls); diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c deleted file mode 100644 index 0e53a066d4db..000000000000 --- a/drivers/gpu/drm/i810/i810_drv.c +++ /dev/null @@ -1,101 +0,0 @@ -/* i810_drv.c -- I810 driver -*- linux-c -*- - * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith - * Jeff Hartmann - * Gareth Hughes - */ - -#include "i810_drv.h" - -#include -#include - -#include -#include -#include -#include - - -static struct pci_device_id pciidlist[] = { - i810_PCI_IDS -}; - -static const struct file_operations i810_driver_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = drm_ioctl, - .mmap = drm_legacy_mmap, - .poll = drm_poll, - .compat_ioctl = drm_compat_ioctl, - .llseek = noop_llseek, -}; - -static struct drm_driver driver = { - .driver_features = DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_LEGACY, - .dev_priv_size = sizeof(drm_i810_buf_priv_t), - .load = i810_driver_load, - .lastclose = i810_driver_lastclose, - .preclose = i810_driver_preclose, - .dma_quiescent = i810_driver_dma_quiescent, - .ioctls = i810_ioctls, - .fops = &i810_driver_fops, - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = DRIVER_DATE, - .major = DRIVER_MAJOR, - .minor = DRIVER_MINOR, - .patchlevel = DRIVER_PATCHLEVEL, -}; - -static struct pci_driver i810_pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, -}; - -static int __init i810_init(void) -{ - if (num_possible_cpus() > 1) { - pr_err("drm/i810 does not support SMP\n"); - return -EINVAL; - } - driver.num_ioctls = i810_max_ioctl; - return drm_legacy_pci_init(&driver, &i810_pci_driver); -} - -static void __exit i810_exit(void) -{ - drm_legacy_pci_exit(&driver, &i810_pci_driver); -} - -module_init(i810_init); -module_exit(i810_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h deleted file mode 100644 index 9df3981ffc66..000000000000 --- a/drivers/gpu/drm/i810/i810_drv.h +++ /dev/null @@ -1,246 +0,0 @@ -/* i810_drv.h -- Private header for the Matrox g200/g400 driver -*- linux-c -*- - * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith - * Jeff Hartmann - * - */ - -#ifndef _I810_DRV_H_ -#define _I810_DRV_H_ - -#include -#include -#include - -/* General customization: - */ - -#define DRIVER_AUTHOR "VA Linux Systems Inc." - -#define DRIVER_NAME "i810" -#define DRIVER_DESC "Intel i810" -#define DRIVER_DATE "20030605" - -/* Interface history - * - * 1.1 - XFree86 4.1 - * 1.2 - XvMC interfaces - * - XFree86 4.2 - * 1.2.1 - Disable copying code (leave stub ioctls for backwards compatibility) - * - Remove requirement for interrupt (leave stubs again) - * 1.3 - Add page flipping. - * 1.4 - fix DRM interface - */ -#define DRIVER_MAJOR 1 -#define DRIVER_MINOR 4 -#define DRIVER_PATCHLEVEL 0 - -typedef struct drm_i810_buf_priv { - u32 *in_use; - int my_use_idx; - int currently_mapped; - void *virtual; - void *kernel_virtual; - drm_local_map_t map; -} drm_i810_buf_priv_t; - -typedef struct _drm_i810_ring_buffer { - int tail_mask; - unsigned long Start; - unsigned long End; - unsigned long Size; - u8 *virtual_start; - int head; - int tail; - int space; - drm_local_map_t map; -} drm_i810_ring_buffer_t; - -typedef struct drm_i810_private { - struct drm_local_map *sarea_map; - struct drm_local_map *mmio_map; - - drm_i810_sarea_t *sarea_priv; - drm_i810_ring_buffer_t ring; - - void *hw_status_page; - unsigned long counter; - - dma_addr_t dma_status_page; - - struct drm_buf *mmap_buffer; - - u32 front_di1, back_di1, zi1; - - int back_offset; - int depth_offset; - int overlay_offset; - int overlay_physical; - int w, h; - int pitch; - int back_pitch; - int depth_pitch; - - int do_boxes; - int dma_used; - - int current_page; - int page_flipping; - - wait_queue_head_t irq_queue; - atomic_t irq_received; - atomic_t irq_emitted; - - int front_offset; -} drm_i810_private_t; - - /* i810_dma.c */ -extern int i810_driver_dma_quiescent(struct drm_device *dev); -void i810_driver_reclaim_buffers(struct drm_device *dev, - struct drm_file *file_priv); -extern int i810_driver_load(struct drm_device *, unsigned long flags); -extern void i810_driver_lastclose(struct drm_device *dev); -extern void i810_driver_preclose(struct drm_device *dev, - struct drm_file *file_priv); - -extern long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg); -extern const struct drm_ioctl_desc i810_ioctls[]; -extern int i810_max_ioctl; - -#define I810_BASE(reg) ((unsigned long) \ - dev_priv->mmio_map->handle) -#define I810_ADDR(reg) (I810_BASE(reg) + reg) -#define I810_DEREF(reg) (*(__volatile__ int *)I810_ADDR(reg)) -#define I810_READ(reg) I810_DEREF(reg) -#define I810_WRITE(reg, val) do { I810_DEREF(reg) = val; } while (0) -#define I810_DEREF16(reg) (*(__volatile__ u16 *)I810_ADDR(reg)) -#define I810_READ16(reg) I810_DEREF16(reg) -#define I810_WRITE16(reg, val) do { I810_DEREF16(reg) = val; } while (0) - -#define I810_VERBOSE 0 -#define RING_LOCALS unsigned int outring, ringmask; \ - volatile char *virt; - -#define BEGIN_LP_RING(n) do { \ - if (I810_VERBOSE) \ - DRM_DEBUG("BEGIN_LP_RING(%d)\n", n); \ - if (dev_priv->ring.space < n*4) \ - i810_wait_ring(dev, n*4); \ - dev_priv->ring.space -= n*4; \ - outring = dev_priv->ring.tail; \ - ringmask = dev_priv->ring.tail_mask; \ - virt = dev_priv->ring.virtual_start; \ -} while (0) - -#define ADVANCE_LP_RING() do { \ - if (I810_VERBOSE) \ - DRM_DEBUG("ADVANCE_LP_RING\n"); \ - dev_priv->ring.tail = outring; \ - I810_WRITE(LP_RING + RING_TAIL, outring); \ -} while (0) - -#define OUT_RING(n) do { \ - if (I810_VERBOSE) \ - DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \ - *(volatile unsigned int *)(virt + outring) = n; \ - outring += 4; \ - outring &= ringmask; \ -} while (0) - -#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) -#define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) -#define CMD_REPORT_HEAD (7<<23) -#define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1) -#define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1) - -#define INST_PARSER_CLIENT 0x00000000 -#define INST_OP_FLUSH 0x02000000 -#define INST_FLUSH_MAP_CACHE 0x00000001 - -#define BB1_START_ADDR_MASK (~0x7) -#define BB1_PROTECTED (1<<0) -#define BB1_UNPROTECTED (0<<0) -#define BB2_END_ADDR_MASK (~0x7) - -#define I810REG_HWSTAM 0x02098 -#define I810REG_INT_IDENTITY_R 0x020a4 -#define I810REG_INT_MASK_R 0x020a8 -#define I810REG_INT_ENABLE_R 0x020a0 - -#define LP_RING 0x2030 -#define HP_RING 0x2040 -#define RING_TAIL 0x00 -#define TAIL_ADDR 0x000FFFF8 -#define RING_HEAD 0x04 -#define HEAD_WRAP_COUNT 0xFFE00000 -#define HEAD_WRAP_ONE 0x00200000 -#define HEAD_ADDR 0x001FFFFC -#define RING_START 0x08 -#define START_ADDR 0x00FFFFF8 -#define RING_LEN 0x0C -#define RING_NR_PAGES 0x000FF000 -#define RING_REPORT_MASK 0x00000006 -#define RING_REPORT_64K 0x00000002 -#define RING_REPORT_128K 0x00000004 -#define RING_NO_REPORT 0x00000000 -#define RING_VALID_MASK 0x00000001 -#define RING_VALID 0x00000001 -#define RING_INVALID 0x00000000 - -#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) -#define SC_UPDATE_SCISSOR (0x1<<1) -#define SC_ENABLE_MASK (0x1<<0) -#define SC_ENABLE (0x1<<0) - -#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1)) -#define SCI_YMIN_MASK (0xffff<<16) -#define SCI_XMIN_MASK (0xffff<<0) -#define SCI_YMAX_MASK (0xffff<<16) -#define SCI_XMAX_MASK (0xffff<<0) - -#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0) -#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) -#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x2) -#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) -#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) -#define GFX_OP_PRIMITIVE ((0x3<<29)|(0x1f<<24)) - -#define CMD_OP_Z_BUFFER_INFO ((0x0<<29)|(0x16<<23)) -#define CMD_OP_DESTBUFFER_INFO ((0x0<<29)|(0x15<<23)) -#define CMD_OP_FRONTBUFFER_INFO ((0x0<<29)|(0x14<<23)) -#define CMD_OP_WAIT_FOR_EVENT ((0x0<<29)|(0x03<<23)) - -#define BR00_BITBLT_CLIENT 0x40000000 -#define BR00_OP_COLOR_BLT 0x10000000 -#define BR00_OP_SRC_COPY_BLT 0x10C00000 -#define BR13_SOLID_PATTERN 0x80000000 - -#define WAIT_FOR_PLANE_A_SCANLINES (1<<1) -#define WAIT_FOR_PLANE_A_FLIP (1<<2) -#define WAIT_FOR_VBLANK (1<<3) - -#endif diff --git a/drivers/gpu/drm/mga/Makefile b/drivers/gpu/drm/mga/Makefile deleted file mode 100644 index db07c7fcc996..000000000000 --- a/drivers/gpu/drm/mga/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for the drm device driver. This driver provides support for the -# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. - -mga-y := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o - -mga-$(CONFIG_COMPAT) += mga_ioc32.o - -obj-$(CONFIG_DRM_MGA) += mga.o - diff --git a/drivers/gpu/drm/mga/mga_dma.c b/drivers/gpu/drm/mga/mga_dma.c deleted file mode 100644 index 331c2f0da57a..000000000000 --- a/drivers/gpu/drm/mga/mga_dma.c +++ /dev/null @@ -1,1168 +0,0 @@ -/* mga_dma.c -- DMA support for mga g200/g400 -*- linux-c -*- - * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/* - * \file mga_dma.c - * DMA support for MGA G200 / G400. - * - * \author Rickard E. (Rik) Faith - * \author Jeff Hartmann - * \author Keith Whitwell - * \author Gareth Hughes - */ - -#include - -#include "mga_drv.h" - -#define MGA_DEFAULT_USEC_TIMEOUT 10000 -#define MGA_FREELIST_DEBUG 0 - -#define MINIMAL_CLEANUP 0 -#define FULL_CLEANUP 1 -static int mga_do_cleanup_dma(struct drm_device *dev, int full_cleanup); - -/* ================================================================ - * Engine control - */ - -int mga_do_wait_for_idle(drm_mga_private_t *dev_priv) -{ - u32 status = 0; - int i; - DRM_DEBUG("\n"); - - for (i = 0; i < dev_priv->usec_timeout; i++) { - status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK; - if (status == MGA_ENDPRDMASTS) { - MGA_WRITE8(MGA_CRTC_INDEX, 0); - return 0; - } - udelay(1); - } - -#if MGA_DMA_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x\n", status); -#endif - return -EBUSY; -} - -static int mga_do_dma_reset(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_primary_buffer_t *primary = &dev_priv->prim; - - DRM_DEBUG("\n"); - - /* The primary DMA stream should look like new right about now. - */ - primary->tail = 0; - primary->space = primary->size; - primary->last_flush = 0; - - sarea_priv->last_wrap = 0; - - /* FIXME: Reset counters, buffer ages etc... - */ - - /* FIXME: What else do we need to reinitialize? WARP stuff? - */ - - return 0; -} - -/* ================================================================ - * Primary DMA stream - */ - -void mga_do_dma_flush(drm_mga_private_t *dev_priv) -{ - drm_mga_primary_buffer_t *primary = &dev_priv->prim; - u32 head, tail; - u32 status = 0; - int i; - DMA_LOCALS; - DRM_DEBUG("\n"); - - /* We need to wait so that we can do an safe flush */ - for (i = 0; i < dev_priv->usec_timeout; i++) { - status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK; - if (status == MGA_ENDPRDMASTS) - break; - udelay(1); - } - - if (primary->tail == primary->last_flush) { - DRM_DEBUG(" bailing out...\n"); - return; - } - - tail = primary->tail + dev_priv->primary->offset; - - /* We need to pad the stream between flushes, as the card - * actually (partially?) reads the first of these commands. - * See page 4-16 in the G400 manual, middle of the page or so. - */ - BEGIN_DMA(1); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000); - - ADVANCE_DMA(); - - primary->last_flush = primary->tail; - - head = MGA_READ(MGA_PRIMADDRESS); - - if (head <= tail) - primary->space = primary->size - primary->tail; - else - primary->space = head - tail; - - DRM_DEBUG(" head = 0x%06lx\n", (unsigned long)(head - dev_priv->primary->offset)); - DRM_DEBUG(" tail = 0x%06lx\n", (unsigned long)(tail - dev_priv->primary->offset)); - DRM_DEBUG(" space = 0x%06x\n", primary->space); - - mga_flush_write_combine(); - MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access); - - DRM_DEBUG("done.\n"); -} - -void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv) -{ - drm_mga_primary_buffer_t *primary = &dev_priv->prim; - u32 head, tail; - DMA_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_DMA_WRAP(); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000); - - ADVANCE_DMA(); - - tail = primary->tail + dev_priv->primary->offset; - - primary->tail = 0; - primary->last_flush = 0; - primary->last_wrap++; - - head = MGA_READ(MGA_PRIMADDRESS); - - if (head == dev_priv->primary->offset) - primary->space = primary->size; - else - primary->space = head - dev_priv->primary->offset; - - DRM_DEBUG(" head = 0x%06lx\n", (unsigned long)(head - dev_priv->primary->offset)); - DRM_DEBUG(" tail = 0x%06x\n", primary->tail); - DRM_DEBUG(" wrap = %d\n", primary->last_wrap); - DRM_DEBUG(" space = 0x%06x\n", primary->space); - - mga_flush_write_combine(); - MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access); - - set_bit(0, &primary->wrapped); - DRM_DEBUG("done.\n"); -} - -void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv) -{ - drm_mga_primary_buffer_t *primary = &dev_priv->prim; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - u32 head = dev_priv->primary->offset; - DRM_DEBUG("\n"); - - sarea_priv->last_wrap++; - DRM_DEBUG(" wrap = %d\n", sarea_priv->last_wrap); - - mga_flush_write_combine(); - MGA_WRITE(MGA_PRIMADDRESS, head | MGA_DMA_GENERAL); - - clear_bit(0, &primary->wrapped); - DRM_DEBUG("done.\n"); -} - -/* ================================================================ - * Freelist management - */ - -#define MGA_BUFFER_USED (~0) -#define MGA_BUFFER_FREE 0 - -#if MGA_FREELIST_DEBUG -static void mga_freelist_print(struct drm_device *dev) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_freelist_t *entry; - - DRM_INFO("\n"); - DRM_INFO("current dispatch: last=0x%x done=0x%x\n", - dev_priv->sarea_priv->last_dispatch, - (unsigned int)(MGA_READ(MGA_PRIMADDRESS) - - dev_priv->primary->offset)); - DRM_INFO("current freelist:\n"); - - for (entry = dev_priv->head->next; entry; entry = entry->next) { - DRM_INFO(" %p idx=%2d age=0x%x 0x%06lx\n", - entry, entry->buf->idx, entry->age.head, - (unsigned long)(entry->age.head - dev_priv->primary->offset)); - } - DRM_INFO("\n"); -} -#endif - -static int mga_freelist_init(struct drm_device *dev, drm_mga_private_t *dev_priv) -{ - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_mga_buf_priv_t *buf_priv; - drm_mga_freelist_t *entry; - int i; - DRM_DEBUG("count=%d\n", dma->buf_count); - - dev_priv->head = kzalloc(sizeof(drm_mga_freelist_t), GFP_KERNEL); - if (dev_priv->head == NULL) - return -ENOMEM; - - SET_AGE(&dev_priv->head->age, MGA_BUFFER_USED, 0); - - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[i]; - buf_priv = buf->dev_private; - - entry = kzalloc(sizeof(drm_mga_freelist_t), GFP_KERNEL); - if (entry == NULL) - return -ENOMEM; - - entry->next = dev_priv->head->next; - entry->prev = dev_priv->head; - SET_AGE(&entry->age, MGA_BUFFER_FREE, 0); - entry->buf = buf; - - if (dev_priv->head->next != NULL) - dev_priv->head->next->prev = entry; - if (entry->next == NULL) - dev_priv->tail = entry; - - buf_priv->list_entry = entry; - buf_priv->discard = 0; - buf_priv->dispatched = 0; - - dev_priv->head->next = entry; - } - - return 0; -} - -static void mga_freelist_cleanup(struct drm_device *dev) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_freelist_t *entry; - drm_mga_freelist_t *next; - DRM_DEBUG("\n"); - - entry = dev_priv->head; - while (entry) { - next = entry->next; - kfree(entry); - entry = next; - } - - dev_priv->head = dev_priv->tail = NULL; -} - -#if 0 -/* FIXME: Still needed? - */ -static void mga_freelist_reset(struct drm_device *dev) -{ - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_mga_buf_priv_t *buf_priv; - int i; - - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[i]; - buf_priv = buf->dev_private; - SET_AGE(&buf_priv->list_entry->age, MGA_BUFFER_FREE, 0); - } -} -#endif - -static struct drm_buf *mga_freelist_get(struct drm_device * dev) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_freelist_t *next; - drm_mga_freelist_t *prev; - drm_mga_freelist_t *tail = dev_priv->tail; - u32 head, wrap; - DRM_DEBUG("\n"); - - head = MGA_READ(MGA_PRIMADDRESS); - wrap = dev_priv->sarea_priv->last_wrap; - - DRM_DEBUG(" tail=0x%06lx %d\n", - tail->age.head ? - (unsigned long)(tail->age.head - dev_priv->primary->offset) : 0, - tail->age.wrap); - DRM_DEBUG(" head=0x%06lx %d\n", - (unsigned long)(head - dev_priv->primary->offset), wrap); - - if (TEST_AGE(&tail->age, head, wrap)) { - prev = dev_priv->tail->prev; - next = dev_priv->tail; - prev->next = NULL; - next->prev = next->next = NULL; - dev_priv->tail = prev; - SET_AGE(&next->age, MGA_BUFFER_USED, 0); - return next->buf; - } - - DRM_DEBUG("returning NULL!\n"); - return NULL; -} - -int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_buf_priv_t *buf_priv = buf->dev_private; - drm_mga_freelist_t *head, *entry, *prev; - - DRM_DEBUG("age=0x%06lx wrap=%d\n", - (unsigned long)(buf_priv->list_entry->age.head - - dev_priv->primary->offset), - buf_priv->list_entry->age.wrap); - - entry = buf_priv->list_entry; - head = dev_priv->head; - - if (buf_priv->list_entry->age.head == MGA_BUFFER_USED) { - SET_AGE(&entry->age, MGA_BUFFER_FREE, 0); - prev = dev_priv->tail; - prev->next = entry; - entry->prev = prev; - entry->next = NULL; - } else { - prev = head->next; - head->next = entry; - prev->prev = entry; - entry->prev = head; - entry->next = prev; - } - - return 0; -} - -/* ================================================================ - * DMA initialization, cleanup - */ - -int mga_driver_load(struct drm_device *dev, unsigned long flags) -{ - struct pci_dev *pdev = to_pci_dev(dev->dev); - drm_mga_private_t *dev_priv; - int ret; - - /* There are PCI versions of the G450. These cards have the - * same PCI ID as the AGP G450, but have an additional PCI-to-PCI - * bridge chip. We detect these cards, which are not currently - * supported by this driver, by looking at the device ID of the - * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the - * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the - * device. - */ - if ((pdev->device == 0x0525) && pdev->bus->self - && (pdev->bus->self->vendor == 0x3388) - && (pdev->bus->self->device == 0x0021) - && dev->agp) { - /* FIXME: This should be quirked in the pci core, but oh well - * the hw probably stopped existing. */ - arch_phys_wc_del(dev->agp->agp_mtrr); - kfree(dev->agp); - dev->agp = NULL; - } - dev_priv = kzalloc(sizeof(drm_mga_private_t), GFP_KERNEL); - if (!dev_priv) - return -ENOMEM; - - dev->dev_private = (void *)dev_priv; - - dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT; - dev_priv->chipset = flags; - - pci_set_master(pdev); - - dev_priv->mmio_base = pci_resource_start(pdev, 1); - dev_priv->mmio_size = pci_resource_len(pdev, 1); - - ret = drm_vblank_init(dev, 1); - - if (ret) { - (void) mga_driver_unload(dev); - return ret; - } - - return 0; -} - -#if IS_ENABLED(CONFIG_AGP) -/* - * Bootstrap the driver for AGP DMA. - * - * \todo - * Investigate whether there is any benefit to storing the WARP microcode in - * AGP memory. If not, the microcode may as well always be put in PCI - * memory. - * - * \todo - * This routine needs to set dma_bs->agp_mode to the mode actually configured - * in the hardware. Looking just at the Linux AGP driver code, I don't see - * an easy way to determine this. - * - * \sa mga_do_dma_bootstrap, mga_do_pci_dma_bootstrap - */ -static int mga_do_agp_dma_bootstrap(struct drm_device *dev, - drm_mga_dma_bootstrap_t *dma_bs) -{ - drm_mga_private_t *const dev_priv = - (drm_mga_private_t *) dev->dev_private; - unsigned int warp_size = MGA_WARP_UCODE_SIZE; - int err; - unsigned offset; - const unsigned secondary_size = dma_bs->secondary_bin_count - * dma_bs->secondary_bin_size; - const unsigned agp_size = (dma_bs->agp_size << 20); - struct drm_buf_desc req; - struct drm_agp_mode mode; - struct drm_agp_info info; - struct drm_agp_buffer agp_req; - struct drm_agp_binding bind_req; - - /* Acquire AGP. */ - err = drm_legacy_agp_acquire(dev); - if (err) { - DRM_ERROR("Unable to acquire AGP: %d\n", err); - return err; - } - - err = drm_legacy_agp_info(dev, &info); - if (err) { - DRM_ERROR("Unable to get AGP info: %d\n", err); - return err; - } - - mode.mode = (info.mode & ~0x07) | dma_bs->agp_mode; - err = drm_legacy_agp_enable(dev, mode); - if (err) { - DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode); - return err; - } - - /* In addition to the usual AGP mode configuration, the G200 AGP cards - * need to have the AGP mode "manually" set. - */ - - if (dev_priv->chipset == MGA_CARD_TYPE_G200) { - if (mode.mode & 0x02) - MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_ENABLE); - else - MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_DISABLE); - } - - /* Allocate and bind AGP memory. */ - agp_req.size = agp_size; - agp_req.type = 0; - err = drm_legacy_agp_alloc(dev, &agp_req); - if (err) { - dev_priv->agp_size = 0; - DRM_ERROR("Unable to allocate %uMB AGP memory\n", - dma_bs->agp_size); - return err; - } - - dev_priv->agp_size = agp_size; - dev_priv->agp_handle = agp_req.handle; - - bind_req.handle = agp_req.handle; - bind_req.offset = 0; - err = drm_legacy_agp_bind(dev, &bind_req); - if (err) { - DRM_ERROR("Unable to bind AGP memory: %d\n", err); - return err; - } - - /* Make drm_legacy_addbufs happy by not trying to create a mapping for - * less than a page. - */ - if (warp_size < PAGE_SIZE) - warp_size = PAGE_SIZE; - - offset = 0; - err = drm_legacy_addmap(dev, offset, warp_size, - _DRM_AGP, _DRM_READ_ONLY, &dev_priv->warp); - if (err) { - DRM_ERROR("Unable to map WARP microcode: %d\n", err); - return err; - } - - offset += warp_size; - err = drm_legacy_addmap(dev, offset, dma_bs->primary_size, - _DRM_AGP, _DRM_READ_ONLY, &dev_priv->primary); - if (err) { - DRM_ERROR("Unable to map primary DMA region: %d\n", err); - return err; - } - - offset += dma_bs->primary_size; - err = drm_legacy_addmap(dev, offset, secondary_size, - _DRM_AGP, 0, &dev->agp_buffer_map); - if (err) { - DRM_ERROR("Unable to map secondary DMA region: %d\n", err); - return err; - } - - (void)memset(&req, 0, sizeof(req)); - req.count = dma_bs->secondary_bin_count; - req.size = dma_bs->secondary_bin_size; - req.flags = _DRM_AGP_BUFFER; - req.agp_start = offset; - - err = drm_legacy_addbufs_agp(dev, &req); - if (err) { - DRM_ERROR("Unable to add secondary DMA buffers: %d\n", err); - return err; - } - - { - struct drm_map_list *_entry; - unsigned long agp_token = 0; - - list_for_each_entry(_entry, &dev->maplist, head) { - if (_entry->map == dev->agp_buffer_map) - agp_token = _entry->user_token; - } - if (!agp_token) - return -EFAULT; - - dev->agp_buffer_token = agp_token; - } - - offset += secondary_size; - err = drm_legacy_addmap(dev, offset, agp_size - offset, - _DRM_AGP, 0, &dev_priv->agp_textures); - if (err) { - DRM_ERROR("Unable to map AGP texture region %d\n", err); - return err; - } - - drm_legacy_ioremap(dev_priv->warp, dev); - drm_legacy_ioremap(dev_priv->primary, dev); - drm_legacy_ioremap(dev->agp_buffer_map, dev); - - if (!dev_priv->warp->handle || - !dev_priv->primary->handle || !dev->agp_buffer_map->handle) { - DRM_ERROR("failed to ioremap agp regions! (%p, %p, %p)\n", - dev_priv->warp->handle, dev_priv->primary->handle, - dev->agp_buffer_map->handle); - return -ENOMEM; - } - - dev_priv->dma_access = MGA_PAGPXFER; - dev_priv->wagp_enable = MGA_WAGP_ENABLE; - - DRM_INFO("Initialized card for AGP DMA.\n"); - return 0; -} -#else -static int mga_do_agp_dma_bootstrap(struct drm_device *dev, - drm_mga_dma_bootstrap_t *dma_bs) -{ - return -EINVAL; -} -#endif - -/* - * Bootstrap the driver for PCI DMA. - * - * \todo - * The algorithm for decreasing the size of the primary DMA buffer could be - * better. The size should be rounded up to the nearest page size, then - * decrease the request size by a single page each pass through the loop. - * - * \todo - * Determine whether the maximum address passed to drm_pci_alloc is correct. - * The same goes for drm_legacy_addbufs_pci. - * - * \sa mga_do_dma_bootstrap, mga_do_agp_dma_bootstrap - */ -static int mga_do_pci_dma_bootstrap(struct drm_device *dev, - drm_mga_dma_bootstrap_t *dma_bs) -{ - drm_mga_private_t *const dev_priv = - (drm_mga_private_t *) dev->dev_private; - unsigned int warp_size = MGA_WARP_UCODE_SIZE; - unsigned int primary_size; - unsigned int bin_count; - int err; - struct drm_buf_desc req; - - if (dev->dma == NULL) { - DRM_ERROR("dev->dma is NULL\n"); - return -EFAULT; - } - - /* Make drm_legacy_addbufs happy by not trying to create a mapping for - * less than a page. - */ - if (warp_size < PAGE_SIZE) - warp_size = PAGE_SIZE; - - /* The proper alignment is 0x100 for this mapping */ - err = drm_legacy_addmap(dev, 0, warp_size, _DRM_CONSISTENT, - _DRM_READ_ONLY, &dev_priv->warp); - if (err != 0) { - DRM_ERROR("Unable to create mapping for WARP microcode: %d\n", - err); - return err; - } - - /* Other than the bottom two bits being used to encode other - * information, there don't appear to be any restrictions on the - * alignment of the primary or secondary DMA buffers. - */ - - for (primary_size = dma_bs->primary_size; primary_size != 0; - primary_size >>= 1) { - /* The proper alignment for this mapping is 0x04 */ - err = drm_legacy_addmap(dev, 0, primary_size, _DRM_CONSISTENT, - _DRM_READ_ONLY, &dev_priv->primary); - if (!err) - break; - } - - if (err != 0) { - DRM_ERROR("Unable to allocate primary DMA region: %d\n", err); - return -ENOMEM; - } - - if (dev_priv->primary->size != dma_bs->primary_size) { - DRM_INFO("Primary DMA buffer size reduced from %u to %u.\n", - dma_bs->primary_size, - (unsigned)dev_priv->primary->size); - dma_bs->primary_size = dev_priv->primary->size; - } - - for (bin_count = dma_bs->secondary_bin_count; bin_count > 0; - bin_count--) { - (void)memset(&req, 0, sizeof(req)); - req.count = bin_count; - req.size = dma_bs->secondary_bin_size; - - err = drm_legacy_addbufs_pci(dev, &req); - if (!err) - break; - } - - if (bin_count == 0) { - DRM_ERROR("Unable to add secondary DMA buffers: %d\n", err); - return err; - } - - if (bin_count != dma_bs->secondary_bin_count) { - DRM_INFO("Secondary PCI DMA buffer bin count reduced from %u " - "to %u.\n", dma_bs->secondary_bin_count, bin_count); - - dma_bs->secondary_bin_count = bin_count; - } - - dev_priv->dma_access = 0; - dev_priv->wagp_enable = 0; - - dma_bs->agp_mode = 0; - - DRM_INFO("Initialized card for PCI DMA.\n"); - return 0; -} - -static int mga_do_dma_bootstrap(struct drm_device *dev, - drm_mga_dma_bootstrap_t *dma_bs) -{ - const int is_agp = (dma_bs->agp_mode != 0) && dev->agp; - int err; - drm_mga_private_t *const dev_priv = - (drm_mga_private_t *) dev->dev_private; - - dev_priv->used_new_dma_init = 1; - - /* The first steps are the same for both PCI and AGP based DMA. Map - * the cards MMIO registers and map a status page. - */ - err = drm_legacy_addmap(dev, dev_priv->mmio_base, dev_priv->mmio_size, - _DRM_REGISTERS, _DRM_READ_ONLY, - &dev_priv->mmio); - if (err) { - DRM_ERROR("Unable to map MMIO region: %d\n", err); - return err; - } - - err = drm_legacy_addmap(dev, 0, SAREA_MAX, _DRM_SHM, - _DRM_READ_ONLY | _DRM_LOCKED | _DRM_KERNEL, - &dev_priv->status); - if (err) { - DRM_ERROR("Unable to map status region: %d\n", err); - return err; - } - - /* The DMA initialization procedure is slightly different for PCI and - * AGP cards. AGP cards just allocate a large block of AGP memory and - * carve off portions of it for internal uses. The remaining memory - * is returned to user-mode to be used for AGP textures. - */ - if (is_agp) - err = mga_do_agp_dma_bootstrap(dev, dma_bs); - - /* If we attempted to initialize the card for AGP DMA but failed, - * clean-up any mess that may have been created. - */ - - if (err) - mga_do_cleanup_dma(dev, MINIMAL_CLEANUP); - - /* Not only do we want to try and initialized PCI cards for PCI DMA, - * but we also try to initialized AGP cards that could not be - * initialized for AGP DMA. This covers the case where we have an AGP - * card in a system with an unsupported AGP chipset. In that case the - * card will be detected as AGP, but we won't be able to allocate any - * AGP memory, etc. - */ - - if (!is_agp || err) - err = mga_do_pci_dma_bootstrap(dev, dma_bs); - - return err; -} - -int mga_dma_bootstrap(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_mga_dma_bootstrap_t *bootstrap = data; - int err; - static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 }; - const drm_mga_private_t *const dev_priv = - (drm_mga_private_t *) dev->dev_private; - - err = mga_do_dma_bootstrap(dev, bootstrap); - if (err) { - mga_do_cleanup_dma(dev, FULL_CLEANUP); - return err; - } - - if (dev_priv->agp_textures != NULL) { - bootstrap->texture_handle = dev_priv->agp_textures->offset; - bootstrap->texture_size = dev_priv->agp_textures->size; - } else { - bootstrap->texture_handle = 0; - bootstrap->texture_size = 0; - } - - bootstrap->agp_mode = modes[bootstrap->agp_mode & 0x07]; - - return err; -} - -static int mga_do_init_dma(struct drm_device *dev, drm_mga_init_t *init) -{ - drm_mga_private_t *dev_priv; - int ret; - DRM_DEBUG("\n"); - - dev_priv = dev->dev_private; - - if (init->sgram) - dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK; - else - dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR; - dev_priv->maccess = init->maccess; - - dev_priv->fb_cpp = init->fb_cpp; - dev_priv->front_offset = init->front_offset; - dev_priv->front_pitch = init->front_pitch; - dev_priv->back_offset = init->back_offset; - dev_priv->back_pitch = init->back_pitch; - - dev_priv->depth_cpp = init->depth_cpp; - dev_priv->depth_offset = init->depth_offset; - dev_priv->depth_pitch = init->depth_pitch; - - /* FIXME: Need to support AGP textures... - */ - dev_priv->texture_offset = init->texture_offset[0]; - dev_priv->texture_size = init->texture_size[0]; - - dev_priv->sarea = drm_legacy_getsarea(dev); - if (!dev_priv->sarea) { - DRM_ERROR("failed to find sarea!\n"); - return -EINVAL; - } - - if (!dev_priv->used_new_dma_init) { - - dev_priv->dma_access = MGA_PAGPXFER; - dev_priv->wagp_enable = MGA_WAGP_ENABLE; - - dev_priv->status = drm_legacy_findmap(dev, init->status_offset); - if (!dev_priv->status) { - DRM_ERROR("failed to find status page!\n"); - return -EINVAL; - } - dev_priv->mmio = drm_legacy_findmap(dev, init->mmio_offset); - if (!dev_priv->mmio) { - DRM_ERROR("failed to find mmio region!\n"); - return -EINVAL; - } - dev_priv->warp = drm_legacy_findmap(dev, init->warp_offset); - if (!dev_priv->warp) { - DRM_ERROR("failed to find warp microcode region!\n"); - return -EINVAL; - } - dev_priv->primary = drm_legacy_findmap(dev, init->primary_offset); - if (!dev_priv->primary) { - DRM_ERROR("failed to find primary dma region!\n"); - return -EINVAL; - } - dev->agp_buffer_token = init->buffers_offset; - dev->agp_buffer_map = - drm_legacy_findmap(dev, init->buffers_offset); - if (!dev->agp_buffer_map) { - DRM_ERROR("failed to find dma buffer region!\n"); - return -EINVAL; - } - - drm_legacy_ioremap(dev_priv->warp, dev); - drm_legacy_ioremap(dev_priv->primary, dev); - drm_legacy_ioremap(dev->agp_buffer_map, dev); - } - - dev_priv->sarea_priv = - (drm_mga_sarea_t *) ((u8 *) dev_priv->sarea->handle + - init->sarea_priv_offset); - - if (!dev_priv->warp->handle || - !dev_priv->primary->handle || - ((dev_priv->dma_access != 0) && - ((dev->agp_buffer_map == NULL) || - (dev->agp_buffer_map->handle == NULL)))) { - DRM_ERROR("failed to ioremap agp regions!\n"); - return -ENOMEM; - } - - ret = mga_warp_install_microcode(dev_priv); - if (ret < 0) { - DRM_ERROR("failed to install WARP ucode!: %d\n", ret); - return ret; - } - - ret = mga_warp_init(dev_priv); - if (ret < 0) { - DRM_ERROR("failed to init WARP engine!: %d\n", ret); - return ret; - } - - dev_priv->prim.status = (u32 *) dev_priv->status->handle; - - mga_do_wait_for_idle(dev_priv); - - /* Init the primary DMA registers. - */ - MGA_WRITE(MGA_PRIMADDRESS, dev_priv->primary->offset | MGA_DMA_GENERAL); -#if 0 - MGA_WRITE(MGA_PRIMPTR, virt_to_bus((void *)dev_priv->prim.status) | MGA_PRIMPTREN0 | /* Soft trap, SECEND, SETUPEND */ - MGA_PRIMPTREN1); /* DWGSYNC */ -#endif - - dev_priv->prim.start = (u8 *) dev_priv->primary->handle; - dev_priv->prim.end = ((u8 *) dev_priv->primary->handle - + dev_priv->primary->size); - dev_priv->prim.size = dev_priv->primary->size; - - dev_priv->prim.tail = 0; - dev_priv->prim.space = dev_priv->prim.size; - dev_priv->prim.wrapped = 0; - - dev_priv->prim.last_flush = 0; - dev_priv->prim.last_wrap = 0; - - dev_priv->prim.high_mark = 256 * DMA_BLOCK_SIZE; - - dev_priv->prim.status[0] = dev_priv->primary->offset; - dev_priv->prim.status[1] = 0; - - dev_priv->sarea_priv->last_wrap = 0; - dev_priv->sarea_priv->last_frame.head = 0; - dev_priv->sarea_priv->last_frame.wrap = 0; - - if (mga_freelist_init(dev, dev_priv) < 0) { - DRM_ERROR("could not initialize freelist\n"); - return -ENOMEM; - } - - return 0; -} - -static int mga_do_cleanup_dma(struct drm_device *dev, int full_cleanup) -{ - int err = 0; - DRM_DEBUG("\n"); - - /* Make sure interrupts are disabled here because the uninstall ioctl - * may not have been called from userspace and after dev_private - * is freed, it's too late. - */ - if (dev->irq_enabled) - drm_legacy_irq_uninstall(dev); - - if (dev->dev_private) { - drm_mga_private_t *dev_priv = dev->dev_private; - - if ((dev_priv->warp != NULL) - && (dev_priv->warp->type != _DRM_CONSISTENT)) - drm_legacy_ioremapfree(dev_priv->warp, dev); - - if ((dev_priv->primary != NULL) - && (dev_priv->primary->type != _DRM_CONSISTENT)) - drm_legacy_ioremapfree(dev_priv->primary, dev); - - if (dev->agp_buffer_map != NULL) - drm_legacy_ioremapfree(dev->agp_buffer_map, dev); - - if (dev_priv->used_new_dma_init) { -#if IS_ENABLED(CONFIG_AGP) - if (dev_priv->agp_handle != 0) { - struct drm_agp_binding unbind_req; - struct drm_agp_buffer free_req; - - unbind_req.handle = dev_priv->agp_handle; - drm_legacy_agp_unbind(dev, &unbind_req); - - free_req.handle = dev_priv->agp_handle; - drm_legacy_agp_free(dev, &free_req); - - dev_priv->agp_textures = NULL; - dev_priv->agp_size = 0; - dev_priv->agp_handle = 0; - } - - if ((dev->agp != NULL) && dev->agp->acquired) - err = drm_legacy_agp_release(dev); -#endif - } - - dev_priv->warp = NULL; - dev_priv->primary = NULL; - dev_priv->sarea = NULL; - dev_priv->sarea_priv = NULL; - dev->agp_buffer_map = NULL; - - if (full_cleanup) { - dev_priv->mmio = NULL; - dev_priv->status = NULL; - dev_priv->used_new_dma_init = 0; - } - - memset(&dev_priv->prim, 0, sizeof(dev_priv->prim)); - dev_priv->warp_pipe = 0; - memset(dev_priv->warp_pipe_phys, 0, - sizeof(dev_priv->warp_pipe_phys)); - - if (dev_priv->head != NULL) - mga_freelist_cleanup(dev); - } - - return err; -} - -int mga_dma_init(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_mga_init_t *init = data; - int err; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - switch (init->func) { - case MGA_INIT_DMA: - err = mga_do_init_dma(dev, init); - if (err) - (void)mga_do_cleanup_dma(dev, FULL_CLEANUP); - return err; - case MGA_CLEANUP_DMA: - return mga_do_cleanup_dma(dev, FULL_CLEANUP); - } - - return -EINVAL; -} - -/* ================================================================ - * Primary DMA stream management - */ - -int mga_dma_flush(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - struct drm_lock *lock = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DRM_DEBUG("%s%s%s\n", - (lock->flags & _DRM_LOCK_FLUSH) ? "flush, " : "", - (lock->flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "", - (lock->flags & _DRM_LOCK_QUIESCENT) ? "idle, " : ""); - - WRAP_WAIT_WITH_RETURN(dev_priv); - - if (lock->flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL)) - mga_do_dma_flush(dev_priv); - - if (lock->flags & _DRM_LOCK_QUIESCENT) { -#if MGA_DMA_DEBUG - int ret = mga_do_wait_for_idle(dev_priv); - if (ret < 0) - DRM_INFO("-EBUSY\n"); - return ret; -#else - return mga_do_wait_for_idle(dev_priv); -#endif - } else { - return 0; - } -} - -int mga_dma_reset(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - return mga_do_dma_reset(dev_priv); -} - -/* ================================================================ - * DMA buffer management - */ - -static int mga_dma_get_buffers(struct drm_device *dev, - struct drm_file *file_priv, struct drm_dma *d) -{ - struct drm_buf *buf; - int i; - - for (i = d->granted_count; i < d->request_count; i++) { - buf = mga_freelist_get(dev); - if (!buf) - return -EAGAIN; - - buf->file_priv = file_priv; - - if (copy_to_user(&d->request_indices[i], - &buf->idx, sizeof(buf->idx))) - return -EFAULT; - if (copy_to_user(&d->request_sizes[i], - &buf->total, sizeof(buf->total))) - return -EFAULT; - - d->granted_count++; - } - return 0; -} - -int mga_dma_buffers(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - struct drm_dma *d = data; - int ret = 0; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - /* Please don't send us buffers. - */ - if (d->send_count != 0) { - DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n", - task_pid_nr(current), d->send_count); - return -EINVAL; - } - - /* We'll send you buffers. - */ - if (d->request_count < 0 || d->request_count > dma->buf_count) { - DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", - task_pid_nr(current), d->request_count, - dma->buf_count); - return -EINVAL; - } - - WRAP_TEST_WITH_RETURN(dev_priv); - - d->granted_count = 0; - - if (d->request_count) - ret = mga_dma_get_buffers(dev, file_priv, d); - - return ret; -} - -/* - * Called just before the module is unloaded. - */ -void mga_driver_unload(struct drm_device *dev) -{ - kfree(dev->dev_private); - dev->dev_private = NULL; -} - -/* - * Called when the last opener of the device is closed. - */ -void mga_driver_lastclose(struct drm_device *dev) -{ - mga_do_cleanup_dma(dev, FULL_CLEANUP); -} - -int mga_driver_dma_quiescent(struct drm_device *dev) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - return mga_do_wait_for_idle(dev_priv); -} diff --git a/drivers/gpu/drm/mga/mga_drv.c b/drivers/gpu/drm/mga/mga_drv.c deleted file mode 100644 index 71128e6f6ae9..000000000000 --- a/drivers/gpu/drm/mga/mga_drv.c +++ /dev/null @@ -1,104 +0,0 @@ -/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- - * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith - * Gareth Hughes - */ - -#include - -#include -#include - -#include "mga_drv.h" - -static struct pci_device_id pciidlist[] = { - mga_PCI_IDS -}; - -static const struct file_operations mga_driver_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = drm_ioctl, - .mmap = drm_legacy_mmap, - .poll = drm_poll, -#ifdef CONFIG_COMPAT - .compat_ioctl = mga_compat_ioctl, -#endif - .llseek = noop_llseek, -}; - -static struct drm_driver driver = { - .driver_features = - DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_LEGACY | - DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ, - .dev_priv_size = sizeof(drm_mga_buf_priv_t), - .load = mga_driver_load, - .unload = mga_driver_unload, - .lastclose = mga_driver_lastclose, - .dma_quiescent = mga_driver_dma_quiescent, - .get_vblank_counter = mga_get_vblank_counter, - .enable_vblank = mga_enable_vblank, - .disable_vblank = mga_disable_vblank, - .irq_preinstall = mga_driver_irq_preinstall, - .irq_postinstall = mga_driver_irq_postinstall, - .irq_uninstall = mga_driver_irq_uninstall, - .irq_handler = mga_driver_irq_handler, - .ioctls = mga_ioctls, - .dma_ioctl = mga_dma_buffers, - .fops = &mga_driver_fops, - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = DRIVER_DATE, - .major = DRIVER_MAJOR, - .minor = DRIVER_MINOR, - .patchlevel = DRIVER_PATCHLEVEL, -}; - -static struct pci_driver mga_pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, -}; - -static int __init mga_init(void) -{ - driver.num_ioctls = mga_max_ioctl; - return drm_legacy_pci_init(&driver, &mga_pci_driver); -} - -static void __exit mga_exit(void) -{ - drm_legacy_pci_exit(&driver, &mga_pci_driver); -} - -module_init(mga_init); -module_exit(mga_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h deleted file mode 100644 index f61401c70b90..000000000000 --- a/drivers/gpu/drm/mga/mga_drv.h +++ /dev/null @@ -1,685 +0,0 @@ -/* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*- - * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Gareth Hughes - */ - -#ifndef __MGA_DRV_H__ -#define __MGA_DRV_H__ - -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -/* General customization: - */ - -#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." - -#define DRIVER_NAME "mga" -#define DRIVER_DESC "Matrox G200/G400" -#define DRIVER_DATE "20051102" - -#define DRIVER_MAJOR 3 -#define DRIVER_MINOR 2 -#define DRIVER_PATCHLEVEL 1 - -typedef struct drm_mga_primary_buffer { - u8 *start; - u8 *end; - int size; - - u32 tail; - int space; - volatile long wrapped; - - volatile u32 *status; - - u32 last_flush; - u32 last_wrap; - - u32 high_mark; -} drm_mga_primary_buffer_t; - -typedef struct drm_mga_freelist { - struct drm_mga_freelist *next; - struct drm_mga_freelist *prev; - drm_mga_age_t age; - struct drm_buf *buf; -} drm_mga_freelist_t; - -typedef struct { - drm_mga_freelist_t *list_entry; - int discard; - int dispatched; -} drm_mga_buf_priv_t; - -typedef struct drm_mga_private { - drm_mga_primary_buffer_t prim; - drm_mga_sarea_t *sarea_priv; - - drm_mga_freelist_t *head; - drm_mga_freelist_t *tail; - - unsigned int warp_pipe; - unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES]; - - int chipset; - int usec_timeout; - - /** - * If set, the new DMA initialization sequence was used. This is - * primarilly used to select how the driver should uninitialized its - * internal DMA structures. - */ - int used_new_dma_init; - - /** - * If AGP memory is used for DMA buffers, this will be the value - * \c MGA_PAGPXFER. Otherwise, it will be zero (for a PCI transfer). - */ - u32 dma_access; - - /** - * If AGP memory is used for DMA buffers, this will be the value - * \c MGA_WAGP_ENABLE. Otherwise, it will be zero (for a PCI - * transfer). - */ - u32 wagp_enable; - - /** - * \name MMIO region parameters. - * - * \sa drm_mga_private_t::mmio - */ - /*@{ */ - resource_size_t mmio_base; /**< Bus address of base of MMIO. */ - resource_size_t mmio_size; /**< Size of the MMIO region. */ - /*@} */ - - u32 clear_cmd; - u32 maccess; - - atomic_t vbl_received; /**< Number of vblanks received. */ - wait_queue_head_t fence_queue; - atomic_t last_fence_retired; - u32 next_fence_to_post; - - unsigned int fb_cpp; - unsigned int front_offset; - unsigned int front_pitch; - unsigned int back_offset; - unsigned int back_pitch; - - unsigned int depth_cpp; - unsigned int depth_offset; - unsigned int depth_pitch; - - unsigned int texture_offset; - unsigned int texture_size; - - drm_local_map_t *sarea; - drm_local_map_t *mmio; - drm_local_map_t *status; - drm_local_map_t *warp; - drm_local_map_t *primary; - drm_local_map_t *agp_textures; - - unsigned long agp_handle; - unsigned int agp_size; -} drm_mga_private_t; - -extern const struct drm_ioctl_desc mga_ioctls[]; -extern int mga_max_ioctl; - - /* mga_dma.c */ -extern int mga_dma_bootstrap(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int mga_dma_init(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int mga_getparam(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int mga_dma_flush(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int mga_dma_reset(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int mga_dma_buffers(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int mga_driver_load(struct drm_device *dev, unsigned long flags); -extern void mga_driver_unload(struct drm_device *dev); -extern void mga_driver_lastclose(struct drm_device *dev); -extern int mga_driver_dma_quiescent(struct drm_device *dev); - -extern int mga_do_wait_for_idle(drm_mga_private_t *dev_priv); - -extern void mga_do_dma_flush(drm_mga_private_t *dev_priv); -extern void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv); -extern void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv); - -extern int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf); - - /* mga_warp.c */ -extern int mga_warp_install_microcode(drm_mga_private_t *dev_priv); -extern int mga_warp_init(drm_mga_private_t *dev_priv); - - /* mga_irq.c */ -extern int mga_enable_vblank(struct drm_device *dev, unsigned int pipe); -extern void mga_disable_vblank(struct drm_device *dev, unsigned int pipe); -extern u32 mga_get_vblank_counter(struct drm_device *dev, unsigned int pipe); -extern void mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence); -extern int mga_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence); -extern irqreturn_t mga_driver_irq_handler(int irq, void *arg); -extern void mga_driver_irq_preinstall(struct drm_device *dev); -extern int mga_driver_irq_postinstall(struct drm_device *dev); -extern void mga_driver_irq_uninstall(struct drm_device *dev); -extern long mga_compat_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg); - -#define mga_flush_write_combine() wmb() - -#define MGA_READ8(reg) \ - readb(((void __iomem *)dev_priv->mmio->handle) + (reg)) -#define MGA_READ(reg) \ - readl(((void __iomem *)dev_priv->mmio->handle) + (reg)) -#define MGA_WRITE8(reg, val) \ - writeb(val, ((void __iomem *)dev_priv->mmio->handle) + (reg)) -#define MGA_WRITE(reg, val) \ - writel(val, ((void __iomem *)dev_priv->mmio->handle) + (reg)) - -#define DWGREG0 0x1c00 -#define DWGREG0_END 0x1dff -#define DWGREG1 0x2c00 -#define DWGREG1_END 0x2dff - -#define ISREG0(r) (r >= DWGREG0 && r <= DWGREG0_END) -#define DMAREG0(r) (u8)((r - DWGREG0) >> 2) -#define DMAREG1(r) (u8)(((r - DWGREG1) >> 2) | 0x80) -#define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r)) - -/* ================================================================ - * Helper macross... - */ - -#define MGA_EMIT_STATE(dev_priv, dirty) \ -do { \ - if ((dirty) & ~MGA_UPLOAD_CLIPRECTS) { \ - if (dev_priv->chipset >= MGA_CARD_TYPE_G400) \ - mga_g400_emit_state(dev_priv); \ - else \ - mga_g200_emit_state(dev_priv); \ - } \ -} while (0) - -#define WRAP_TEST_WITH_RETURN(dev_priv) \ -do { \ - if (test_bit(0, &dev_priv->prim.wrapped)) { \ - if (mga_is_idle(dev_priv)) { \ - mga_do_dma_wrap_end(dev_priv); \ - } else if (dev_priv->prim.space < \ - dev_priv->prim.high_mark) { \ - if (MGA_DMA_DEBUG) \ - DRM_INFO("wrap...\n"); \ - return -EBUSY; \ - } \ - } \ -} while (0) - -#define WRAP_WAIT_WITH_RETURN(dev_priv) \ -do { \ - if (test_bit(0, &dev_priv->prim.wrapped)) { \ - if (mga_do_wait_for_idle(dev_priv) < 0) { \ - if (MGA_DMA_DEBUG) \ - DRM_INFO("wrap...\n"); \ - return -EBUSY; \ - } \ - mga_do_dma_wrap_end(dev_priv); \ - } \ -} while (0) - -/* ================================================================ - * Primary DMA command stream - */ - -#define MGA_VERBOSE 0 - -#define DMA_LOCALS unsigned int write; volatile u8 *prim; - -#define DMA_BLOCK_SIZE (5 * sizeof(u32)) - -#define BEGIN_DMA(n) \ -do { \ - if (MGA_VERBOSE) { \ - DRM_INFO("BEGIN_DMA(%d)\n", (n)); \ - DRM_INFO(" space=0x%x req=0x%zx\n", \ - dev_priv->prim.space, (n) * DMA_BLOCK_SIZE); \ - } \ - prim = dev_priv->prim.start; \ - write = dev_priv->prim.tail; \ -} while (0) - -#define BEGIN_DMA_WRAP() \ -do { \ - if (MGA_VERBOSE) { \ - DRM_INFO("BEGIN_DMA()\n"); \ - DRM_INFO(" space=0x%x\n", dev_priv->prim.space); \ - } \ - prim = dev_priv->prim.start; \ - write = dev_priv->prim.tail; \ -} while (0) - -#define ADVANCE_DMA() \ -do { \ - dev_priv->prim.tail = write; \ - if (MGA_VERBOSE) \ - DRM_INFO("ADVANCE_DMA() tail=0x%05x sp=0x%x\n", \ - write, dev_priv->prim.space); \ -} while (0) - -#define FLUSH_DMA() \ -do { \ - if (0) { \ - DRM_INFO("\n"); \ - DRM_INFO(" tail=0x%06x head=0x%06lx\n", \ - dev_priv->prim.tail, \ - (unsigned long)(MGA_READ(MGA_PRIMADDRESS) - \ - dev_priv->primary->offset)); \ - } \ - if (!test_bit(0, &dev_priv->prim.wrapped)) { \ - if (dev_priv->prim.space < dev_priv->prim.high_mark) \ - mga_do_dma_wrap_start(dev_priv); \ - else \ - mga_do_dma_flush(dev_priv); \ - } \ -} while (0) - -/* Never use this, always use DMA_BLOCK(...) for primary DMA output. - */ -#define DMA_WRITE(offset, val) \ -do { \ - if (MGA_VERBOSE) \ - DRM_INFO(" DMA_WRITE( 0x%08x ) at 0x%04zx\n", \ - (u32)(val), write + (offset) * sizeof(u32)); \ - *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \ -} while (0) - -#define DMA_BLOCK(reg0, val0, reg1, val1, reg2, val2, reg3, val3) \ -do { \ - DMA_WRITE(0, ((DMAREG(reg0) << 0) | \ - (DMAREG(reg1) << 8) | \ - (DMAREG(reg2) << 16) | \ - (DMAREG(reg3) << 24))); \ - DMA_WRITE(1, val0); \ - DMA_WRITE(2, val1); \ - DMA_WRITE(3, val2); \ - DMA_WRITE(4, val3); \ - write += DMA_BLOCK_SIZE; \ -} while (0) - -/* Buffer aging via primary DMA stream head pointer. - */ - -#define SET_AGE(age, h, w) \ -do { \ - (age)->head = h; \ - (age)->wrap = w; \ -} while (0) - -#define TEST_AGE(age, h, w) ((age)->wrap < w || \ - ((age)->wrap == w && \ - (age)->head < h)) - -#define AGE_BUFFER(buf_priv) \ -do { \ - drm_mga_freelist_t *entry = (buf_priv)->list_entry; \ - if ((buf_priv)->dispatched) { \ - entry->age.head = (dev_priv->prim.tail + \ - dev_priv->primary->offset); \ - entry->age.wrap = dev_priv->sarea_priv->last_wrap; \ - } else { \ - entry->age.head = 0; \ - entry->age.wrap = 0; \ - } \ -} while (0) - -#define MGA_ENGINE_IDLE_MASK (MGA_SOFTRAPEN | \ - MGA_DWGENGSTS | \ - MGA_ENDPRDMASTS) -#define MGA_DMA_IDLE_MASK (MGA_SOFTRAPEN | \ - MGA_ENDPRDMASTS) - -#define MGA_DMA_DEBUG 0 - -/* A reduced set of the mga registers. - */ -#define MGA_CRTC_INDEX 0x1fd4 -#define MGA_CRTC_DATA 0x1fd5 - -/* CRTC11 */ -#define MGA_VINTCLR (1 << 4) -#define MGA_VINTEN (1 << 5) - -#define MGA_ALPHACTRL 0x2c7c -#define MGA_AR0 0x1c60 -#define MGA_AR1 0x1c64 -#define MGA_AR2 0x1c68 -#define MGA_AR3 0x1c6c -#define MGA_AR4 0x1c70 -#define MGA_AR5 0x1c74 -#define MGA_AR6 0x1c78 - -#define MGA_CXBNDRY 0x1c80 -#define MGA_CXLEFT 0x1ca0 -#define MGA_CXRIGHT 0x1ca4 - -#define MGA_DMAPAD 0x1c54 -#define MGA_DSTORG 0x2cb8 -#define MGA_DWGCTL 0x1c00 -# define MGA_OPCOD_MASK (15 << 0) -# define MGA_OPCOD_TRAP (4 << 0) -# define MGA_OPCOD_TEXTURE_TRAP (6 << 0) -# define MGA_OPCOD_BITBLT (8 << 0) -# define MGA_OPCOD_ILOAD (9 << 0) -# define MGA_ATYPE_MASK (7 << 4) -# define MGA_ATYPE_RPL (0 << 4) -# define MGA_ATYPE_RSTR (1 << 4) -# define MGA_ATYPE_ZI (3 << 4) -# define MGA_ATYPE_BLK (4 << 4) -# define MGA_ATYPE_I (7 << 4) -# define MGA_LINEAR (1 << 7) -# define MGA_ZMODE_MASK (7 << 8) -# define MGA_ZMODE_NOZCMP (0 << 8) -# define MGA_ZMODE_ZE (2 << 8) -# define MGA_ZMODE_ZNE (3 << 8) -# define MGA_ZMODE_ZLT (4 << 8) -# define MGA_ZMODE_ZLTE (5 << 8) -# define MGA_ZMODE_ZGT (6 << 8) -# define MGA_ZMODE_ZGTE (7 << 8) -# define MGA_SOLID (1 << 11) -# define MGA_ARZERO (1 << 12) -# define MGA_SGNZERO (1 << 13) -# define MGA_SHIFTZERO (1 << 14) -# define MGA_BOP_MASK (15 << 16) -# define MGA_BOP_ZERO (0 << 16) -# define MGA_BOP_DST (10 << 16) -# define MGA_BOP_SRC (12 << 16) -# define MGA_BOP_ONE (15 << 16) -# define MGA_TRANS_SHIFT 20 -# define MGA_TRANS_MASK (15 << 20) -# define MGA_BLTMOD_MASK (15 << 25) -# define MGA_BLTMOD_BMONOLEF (0 << 25) -# define MGA_BLTMOD_BMONOWF (4 << 25) -# define MGA_BLTMOD_PLAN (1 << 25) -# define MGA_BLTMOD_BFCOL (2 << 25) -# define MGA_BLTMOD_BU32BGR (3 << 25) -# define MGA_BLTMOD_BU32RGB (7 << 25) -# define MGA_BLTMOD_BU24BGR (11 << 25) -# define MGA_BLTMOD_BU24RGB (15 << 25) -# define MGA_PATTERN (1 << 29) -# define MGA_TRANSC (1 << 30) -# define MGA_CLIPDIS (1 << 31) -#define MGA_DWGSYNC 0x2c4c - -#define MGA_FCOL 0x1c24 -#define MGA_FIFOSTATUS 0x1e10 -#define MGA_FOGCOL 0x1cf4 -#define MGA_FXBNDRY 0x1c84 -#define MGA_FXLEFT 0x1ca8 -#define MGA_FXRIGHT 0x1cac - -#define MGA_ICLEAR 0x1e18 -# define MGA_SOFTRAPICLR (1 << 0) -# define MGA_VLINEICLR (1 << 5) -#define MGA_IEN 0x1e1c -# define MGA_SOFTRAPIEN (1 << 0) -# define MGA_VLINEIEN (1 << 5) - -#define MGA_LEN 0x1c5c - -#define MGA_MACCESS 0x1c04 - -#define MGA_PITCH 0x1c8c -#define MGA_PLNWT 0x1c1c -#define MGA_PRIMADDRESS 0x1e58 -# define MGA_DMA_GENERAL (0 << 0) -# define MGA_DMA_BLIT (1 << 0) -# define MGA_DMA_VECTOR (2 << 0) -# define MGA_DMA_VERTEX (3 << 0) -#define MGA_PRIMEND 0x1e5c -# define MGA_PRIMNOSTART (1 << 0) -# define MGA_PAGPXFER (1 << 1) -#define MGA_PRIMPTR 0x1e50 -# define MGA_PRIMPTREN0 (1 << 0) -# define MGA_PRIMPTREN1 (1 << 1) - -#define MGA_RST 0x1e40 -# define MGA_SOFTRESET (1 << 0) -# define MGA_SOFTEXTRST (1 << 1) - -#define MGA_SECADDRESS 0x2c40 -#define MGA_SECEND 0x2c44 -#define MGA_SETUPADDRESS 0x2cd0 -#define MGA_SETUPEND 0x2cd4 -#define MGA_SGN 0x1c58 -#define MGA_SOFTRAP 0x2c48 -#define MGA_SRCORG 0x2cb4 -# define MGA_SRMMAP_MASK (1 << 0) -# define MGA_SRCMAP_FB (0 << 0) -# define MGA_SRCMAP_SYSMEM (1 << 0) -# define MGA_SRCACC_MASK (1 << 1) -# define MGA_SRCACC_PCI (0 << 1) -# define MGA_SRCACC_AGP (1 << 1) -#define MGA_STATUS 0x1e14 -# define MGA_SOFTRAPEN (1 << 0) -# define MGA_VSYNCPEN (1 << 4) -# define MGA_VLINEPEN (1 << 5) -# define MGA_DWGENGSTS (1 << 16) -# define MGA_ENDPRDMASTS (1 << 17) -#define MGA_STENCIL 0x2cc8 -#define MGA_STENCILCTL 0x2ccc - -#define MGA_TDUALSTAGE0 0x2cf8 -#define MGA_TDUALSTAGE1 0x2cfc -#define MGA_TEXBORDERCOL 0x2c5c -#define MGA_TEXCTL 0x2c30 -#define MGA_TEXCTL2 0x2c3c -# define MGA_DUALTEX (1 << 7) -# define MGA_G400_TC2_MAGIC (1 << 15) -# define MGA_MAP1_ENABLE (1 << 31) -#define MGA_TEXFILTER 0x2c58 -#define MGA_TEXHEIGHT 0x2c2c -#define MGA_TEXORG 0x2c24 -# define MGA_TEXORGMAP_MASK (1 << 0) -# define MGA_TEXORGMAP_FB (0 << 0) -# define MGA_TEXORGMAP_SYSMEM (1 << 0) -# define MGA_TEXORGACC_MASK (1 << 1) -# define MGA_TEXORGACC_PCI (0 << 1) -# define MGA_TEXORGACC_AGP (1 << 1) -#define MGA_TEXORG1 0x2ca4 -#define MGA_TEXORG2 0x2ca8 -#define MGA_TEXORG3 0x2cac -#define MGA_TEXORG4 0x2cb0 -#define MGA_TEXTRANS 0x2c34 -#define MGA_TEXTRANSHIGH 0x2c38 -#define MGA_TEXWIDTH 0x2c28 - -#define MGA_WACCEPTSEQ 0x1dd4 -#define MGA_WCODEADDR 0x1e6c -#define MGA_WFLAG 0x1dc4 -#define MGA_WFLAG1 0x1de0 -#define MGA_WFLAGNB 0x1e64 -#define MGA_WFLAGNB1 0x1e08 -#define MGA_WGETMSB 0x1dc8 -#define MGA_WIADDR 0x1dc0 -#define MGA_WIADDR2 0x1dd8 -# define MGA_WMODE_SUSPEND (0 << 0) -# define MGA_WMODE_RESUME (1 << 0) -# define MGA_WMODE_JUMP (2 << 0) -# define MGA_WMODE_START (3 << 0) -# define MGA_WAGP_ENABLE (1 << 2) -#define MGA_WMISC 0x1e70 -# define MGA_WUCODECACHE_ENABLE (1 << 0) -# define MGA_WMASTER_ENABLE (1 << 1) -# define MGA_WCACHEFLUSH_ENABLE (1 << 3) -#define MGA_WVRTXSZ 0x1dcc - -#define MGA_YBOT 0x1c9c -#define MGA_YDST 0x1c90 -#define MGA_YDSTLEN 0x1c88 -#define MGA_YDSTORG 0x1c94 -#define MGA_YTOP 0x1c98 - -#define MGA_ZORG 0x1c0c - -/* This finishes the current batch of commands - */ -#define MGA_EXEC 0x0100 - -/* AGP PLL encoding (for G200 only). - */ -#define MGA_AGP_PLL 0x1e4c -# define MGA_AGP2XPLL_DISABLE (0 << 0) -# define MGA_AGP2XPLL_ENABLE (1 << 0) - -/* Warp registers - */ -#define MGA_WR0 0x2d00 -#define MGA_WR1 0x2d04 -#define MGA_WR2 0x2d08 -#define MGA_WR3 0x2d0c -#define MGA_WR4 0x2d10 -#define MGA_WR5 0x2d14 -#define MGA_WR6 0x2d18 -#define MGA_WR7 0x2d1c -#define MGA_WR8 0x2d20 -#define MGA_WR9 0x2d24 -#define MGA_WR10 0x2d28 -#define MGA_WR11 0x2d2c -#define MGA_WR12 0x2d30 -#define MGA_WR13 0x2d34 -#define MGA_WR14 0x2d38 -#define MGA_WR15 0x2d3c -#define MGA_WR16 0x2d40 -#define MGA_WR17 0x2d44 -#define MGA_WR18 0x2d48 -#define MGA_WR19 0x2d4c -#define MGA_WR20 0x2d50 -#define MGA_WR21 0x2d54 -#define MGA_WR22 0x2d58 -#define MGA_WR23 0x2d5c -#define MGA_WR24 0x2d60 -#define MGA_WR25 0x2d64 -#define MGA_WR26 0x2d68 -#define MGA_WR27 0x2d6c -#define MGA_WR28 0x2d70 -#define MGA_WR29 0x2d74 -#define MGA_WR30 0x2d78 -#define MGA_WR31 0x2d7c -#define MGA_WR32 0x2d80 -#define MGA_WR33 0x2d84 -#define MGA_WR34 0x2d88 -#define MGA_WR35 0x2d8c -#define MGA_WR36 0x2d90 -#define MGA_WR37 0x2d94 -#define MGA_WR38 0x2d98 -#define MGA_WR39 0x2d9c -#define MGA_WR40 0x2da0 -#define MGA_WR41 0x2da4 -#define MGA_WR42 0x2da8 -#define MGA_WR43 0x2dac -#define MGA_WR44 0x2db0 -#define MGA_WR45 0x2db4 -#define MGA_WR46 0x2db8 -#define MGA_WR47 0x2dbc -#define MGA_WR48 0x2dc0 -#define MGA_WR49 0x2dc4 -#define MGA_WR50 0x2dc8 -#define MGA_WR51 0x2dcc -#define MGA_WR52 0x2dd0 -#define MGA_WR53 0x2dd4 -#define MGA_WR54 0x2dd8 -#define MGA_WR55 0x2ddc -#define MGA_WR56 0x2de0 -#define MGA_WR57 0x2de4 -#define MGA_WR58 0x2de8 -#define MGA_WR59 0x2dec -#define MGA_WR60 0x2df0 -#define MGA_WR61 0x2df4 -#define MGA_WR62 0x2df8 -#define MGA_WR63 0x2dfc -# define MGA_G400_WR_MAGIC (1 << 6) -# define MGA_G400_WR56_MAGIC 0x46480000 /* 12800.0f */ - -#define MGA_ILOAD_ALIGN 64 -#define MGA_ILOAD_MASK (MGA_ILOAD_ALIGN - 1) - -#define MGA_DWGCTL_FLUSH (MGA_OPCOD_TEXTURE_TRAP | \ - MGA_ATYPE_I | \ - MGA_ZMODE_NOZCMP | \ - MGA_ARZERO | \ - MGA_SGNZERO | \ - MGA_BOP_SRC | \ - (15 << MGA_TRANS_SHIFT)) - -#define MGA_DWGCTL_CLEAR (MGA_OPCOD_TRAP | \ - MGA_ZMODE_NOZCMP | \ - MGA_SOLID | \ - MGA_ARZERO | \ - MGA_SGNZERO | \ - MGA_SHIFTZERO | \ - MGA_BOP_SRC | \ - (0 << MGA_TRANS_SHIFT) | \ - MGA_BLTMOD_BMONOLEF | \ - MGA_TRANSC | \ - MGA_CLIPDIS) - -#define MGA_DWGCTL_COPY (MGA_OPCOD_BITBLT | \ - MGA_ATYPE_RPL | \ - MGA_SGNZERO | \ - MGA_SHIFTZERO | \ - MGA_BOP_SRC | \ - (0 << MGA_TRANS_SHIFT) | \ - MGA_BLTMOD_BFCOL | \ - MGA_CLIPDIS) - -/* Simple idle test. - */ -static __inline__ int mga_is_idle(drm_mga_private_t *dev_priv) -{ - u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK; - return (status == MGA_ENDPRDMASTS); -} - -#endif diff --git a/drivers/gpu/drm/mga/mga_ioc32.c b/drivers/gpu/drm/mga/mga_ioc32.c deleted file mode 100644 index 894472921c30..000000000000 --- a/drivers/gpu/drm/mga/mga_ioc32.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * \file mga_ioc32.c - * - * 32-bit ioctl compatibility routines for the MGA DRM. - * - * \author Dave Airlie with code from patches by Egbert Eich - * - * - * Copyright (C) Paul Mackerras 2005 - * Copyright (C) Egbert Eich 2003,2004 - * Copyright (C) Dave Airlie 2005 - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include - -#include "mga_drv.h" - -typedef struct drm32_mga_init { - int func; - u32 sarea_priv_offset; - struct_group(always32bit, - int chipset; - int sgram; - unsigned int maccess; - unsigned int fb_cpp; - unsigned int front_offset, front_pitch; - unsigned int back_offset, back_pitch; - unsigned int depth_cpp; - unsigned int depth_offset, depth_pitch; - unsigned int texture_offset[MGA_NR_TEX_HEAPS]; - unsigned int texture_size[MGA_NR_TEX_HEAPS]; - ); - u32 fb_offset; - u32 mmio_offset; - u32 status_offset; - u32 warp_offset; - u32 primary_offset; - u32 buffers_offset; -} drm_mga_init32_t; - -static int compat_mga_init(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_mga_init32_t init32; - drm_mga_init_t init; - - if (copy_from_user(&init32, (void __user *)arg, sizeof(init32))) - return -EFAULT; - - init.func = init32.func; - init.sarea_priv_offset = init32.sarea_priv_offset; - memcpy(&init.always32bit, &init32.always32bit, - sizeof(init32.always32bit)); - init.fb_offset = init32.fb_offset; - init.mmio_offset = init32.mmio_offset; - init.status_offset = init32.status_offset; - init.warp_offset = init32.warp_offset; - init.primary_offset = init32.primary_offset; - init.buffers_offset = init32.buffers_offset; - - return drm_ioctl_kernel(file, mga_dma_init, &init, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} - -typedef struct drm_mga_getparam32 { - int param; - u32 value; -} drm_mga_getparam32_t; - -static int compat_mga_getparam(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_mga_getparam32_t getparam32; - drm_mga_getparam_t getparam; - - if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32))) - return -EFAULT; - - getparam.param = getparam32.param; - getparam.value = compat_ptr(getparam32.value); - return drm_ioctl_kernel(file, mga_getparam, &getparam, DRM_AUTH); -} - -typedef struct drm_mga_drm_bootstrap32 { - u32 texture_handle; - u32 texture_size; - u32 primary_size; - u32 secondary_bin_count; - u32 secondary_bin_size; - u32 agp_mode; - u8 agp_size; -} drm_mga_dma_bootstrap32_t; - -static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_mga_dma_bootstrap32_t dma_bootstrap32; - drm_mga_dma_bootstrap_t dma_bootstrap; - int err; - - if (copy_from_user(&dma_bootstrap32, (void __user *)arg, - sizeof(dma_bootstrap32))) - return -EFAULT; - - dma_bootstrap.texture_handle = dma_bootstrap32.texture_handle; - dma_bootstrap.texture_size = dma_bootstrap32.texture_size; - dma_bootstrap.primary_size = dma_bootstrap32.primary_size; - dma_bootstrap.secondary_bin_count = dma_bootstrap32.secondary_bin_count; - dma_bootstrap.secondary_bin_size = dma_bootstrap32.secondary_bin_size; - dma_bootstrap.agp_mode = dma_bootstrap32.agp_mode; - dma_bootstrap.agp_size = dma_bootstrap32.agp_size; - - err = drm_ioctl_kernel(file, mga_dma_bootstrap, &dma_bootstrap, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); - if (err) - return err; - - dma_bootstrap32.texture_handle = dma_bootstrap.texture_handle; - dma_bootstrap32.texture_size = dma_bootstrap.texture_size; - dma_bootstrap32.primary_size = dma_bootstrap.primary_size; - dma_bootstrap32.secondary_bin_count = dma_bootstrap.secondary_bin_count; - dma_bootstrap32.secondary_bin_size = dma_bootstrap.secondary_bin_size; - dma_bootstrap32.agp_mode = dma_bootstrap.agp_mode; - dma_bootstrap32.agp_size = dma_bootstrap.agp_size; - if (copy_to_user((void __user *)arg, &dma_bootstrap32, - sizeof(dma_bootstrap32))) - return -EFAULT; - - return 0; -} - -static struct { - drm_ioctl_compat_t *fn; - char *name; -} mga_compat_ioctls[] = { -#define DRM_IOCTL32_DEF(n, f)[DRM_##n] = {.fn = f, .name = #n} - DRM_IOCTL32_DEF(MGA_INIT, compat_mga_init), - DRM_IOCTL32_DEF(MGA_GETPARAM, compat_mga_getparam), - DRM_IOCTL32_DEF(MGA_DMA_BOOTSTRAP, compat_mga_dma_bootstrap), -}; - -/** - * mga_compat_ioctl - Called whenever a 32-bit process running under - * a 64-bit kernel performs an ioctl on /dev/dri/card. - * - * @filp: file pointer. - * @cmd: command. - * @arg: user argument. - * return: zero on success or negative number on failure. - */ -long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - unsigned int nr = DRM_IOCTL_NR(cmd); - struct drm_file *file_priv = filp->private_data; - drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - - if (nr >= DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls)) - return drm_ioctl(filp, cmd, arg); - - fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE].fn; - if (!fn) - return drm_ioctl(filp, cmd, arg); - - DRM_DEBUG("pid=%d, dev=0x%lx, auth=%d, %s\n", - task_pid_nr(current), - (long)old_encode_dev(file_priv->minor->kdev->devt), - file_priv->authenticated, - mga_compat_ioctls[nr - DRM_COMMAND_BASE].name); - ret = (*fn) (filp, cmd, arg); - if (ret) - DRM_DEBUG("ret = %d\n", ret); - return ret; -} diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c deleted file mode 100644 index a7e6ffc80a78..000000000000 --- a/drivers/gpu/drm/mga/mga_irq.c +++ /dev/null @@ -1,169 +0,0 @@ -/* mga_irq.c -- IRQ handling for radeon -*- linux-c -*- - */ -/* - * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. - * - * The Weather Channel (TM) funded Tungsten Graphics to develop the - * initial release of the Radeon 8500 driver under the XFree86 license. - * This notice must be preserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Keith Whitwell - * Eric Anholt - */ - -#include "mga_drv.h" - -u32 mga_get_vblank_counter(struct drm_device *dev, unsigned int pipe) -{ - const drm_mga_private_t *const dev_priv = - (drm_mga_private_t *) dev->dev_private; - - if (pipe != 0) - return 0; - - return atomic_read(&dev_priv->vbl_received); -} - - -irqreturn_t mga_driver_irq_handler(int irq, void *arg) -{ - struct drm_device *dev = (struct drm_device *) arg; - drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - int status; - int handled = 0; - - status = MGA_READ(MGA_STATUS); - - /* VBLANK interrupt */ - if (status & MGA_VLINEPEN) { - MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR); - atomic_inc(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - handled = 1; - } - - /* SOFTRAP interrupt */ - if (status & MGA_SOFTRAPEN) { - const u32 prim_start = MGA_READ(MGA_PRIMADDRESS); - const u32 prim_end = MGA_READ(MGA_PRIMEND); - - - MGA_WRITE(MGA_ICLEAR, MGA_SOFTRAPICLR); - - /* In addition to clearing the interrupt-pending bit, we - * have to write to MGA_PRIMEND to re-start the DMA operation. - */ - if ((prim_start & ~0x03) != (prim_end & ~0x03)) - MGA_WRITE(MGA_PRIMEND, prim_end); - - atomic_inc(&dev_priv->last_fence_retired); - wake_up(&dev_priv->fence_queue); - handled = 1; - } - - if (handled) - return IRQ_HANDLED; - return IRQ_NONE; -} - -int mga_enable_vblank(struct drm_device *dev, unsigned int pipe) -{ - drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - - if (pipe != 0) { - DRM_ERROR("tried to enable vblank on non-existent crtc %u\n", - pipe); - return 0; - } - - MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN); - return 0; -} - - -void mga_disable_vblank(struct drm_device *dev, unsigned int pipe) -{ - if (pipe != 0) { - DRM_ERROR("tried to disable vblank on non-existent crtc %u\n", - pipe); - } - - /* Do *NOT* disable the vertical refresh interrupt. MGA doesn't have - * a nice hardware counter that tracks the number of refreshes when - * the interrupt is disabled, and the kernel doesn't know the refresh - * rate to calculate an estimate. - */ - /* MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN); */ -} - -void mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence) -{ - drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - unsigned int cur_fence; - - /* Assume that the user has missed the current sequence number - * by about a day rather than she wants to wait for years - * using fences. - */ - wait_event_timeout(dev_priv->fence_queue, - (((cur_fence = atomic_read(&dev_priv->last_fence_retired)) - - *sequence) <= (1 << 23)), - msecs_to_jiffies(3000)); - - *sequence = cur_fence; -} - -void mga_driver_irq_preinstall(struct drm_device *dev) -{ - drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - - /* Disable *all* interrupts */ - MGA_WRITE(MGA_IEN, 0); - /* Clear bits if they're already high */ - MGA_WRITE(MGA_ICLEAR, ~0); -} - -int mga_driver_irq_postinstall(struct drm_device *dev) -{ - drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - - init_waitqueue_head(&dev_priv->fence_queue); - - /* Turn on soft trap interrupt. Vertical blank interrupts are enabled - * in mga_enable_vblank. - */ - MGA_WRITE(MGA_IEN, MGA_SOFTRAPEN); - return 0; -} - -void mga_driver_irq_uninstall(struct drm_device *dev) -{ - drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - if (!dev_priv) - return; - - /* Disable *all* interrupts */ - MGA_WRITE(MGA_IEN, 0); - - dev->irq_enabled = false; -} diff --git a/drivers/gpu/drm/mga/mga_state.c b/drivers/gpu/drm/mga/mga_state.c deleted file mode 100644 index 5b7247b58451..000000000000 --- a/drivers/gpu/drm/mga/mga_state.c +++ /dev/null @@ -1,1099 +0,0 @@ -/* mga_state.c -- State support for MGA G200/G400 -*- linux-c -*- - * Created: Thu Jan 27 02:53:43 2000 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Jeff Hartmann - * Keith Whitwell - * - * Rewritten by: - * Gareth Hughes - */ - -#include "mga_drv.h" - -/* ================================================================ - * DMA hardware state programming functions - */ - -static void mga_emit_clip_rect(drm_mga_private_t *dev_priv, - struct drm_clip_rect *box) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_context_regs_t *ctx = &sarea_priv->context_state; - unsigned int pitch = dev_priv->front_pitch; - DMA_LOCALS; - - BEGIN_DMA(2); - - /* Force reset of DWGCTL on G400 (eliminates clip disable bit). - */ - if (dev_priv->chipset >= MGA_CARD_TYPE_G400) { - DMA_BLOCK(MGA_DWGCTL, ctx->dwgctl, - MGA_LEN + MGA_EXEC, 0x80000000, - MGA_DWGCTL, ctx->dwgctl, - MGA_LEN + MGA_EXEC, 0x80000000); - } - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_CXBNDRY, ((box->x2 - 1) << 16) | box->x1, - MGA_YTOP, box->y1 * pitch, MGA_YBOT, (box->y2 - 1) * pitch); - - ADVANCE_DMA(); -} - -static __inline__ void mga_g200_emit_context(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_context_regs_t *ctx = &sarea_priv->context_state; - DMA_LOCALS; - - BEGIN_DMA(3); - - DMA_BLOCK(MGA_DSTORG, ctx->dstorg, - MGA_MACCESS, ctx->maccess, - MGA_PLNWT, ctx->plnwt, MGA_DWGCTL, ctx->dwgctl); - - DMA_BLOCK(MGA_ALPHACTRL, ctx->alphactrl, - MGA_FOGCOL, ctx->fogcolor, - MGA_WFLAG, ctx->wflag, MGA_ZORG, dev_priv->depth_offset); - - DMA_BLOCK(MGA_FCOL, ctx->fcol, - MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000); - - ADVANCE_DMA(); -} - -static __inline__ void mga_g400_emit_context(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_context_regs_t *ctx = &sarea_priv->context_state; - DMA_LOCALS; - - BEGIN_DMA(4); - - DMA_BLOCK(MGA_DSTORG, ctx->dstorg, - MGA_MACCESS, ctx->maccess, - MGA_PLNWT, ctx->plnwt, MGA_DWGCTL, ctx->dwgctl); - - DMA_BLOCK(MGA_ALPHACTRL, ctx->alphactrl, - MGA_FOGCOL, ctx->fogcolor, - MGA_WFLAG, ctx->wflag, MGA_ZORG, dev_priv->depth_offset); - - DMA_BLOCK(MGA_WFLAG1, ctx->wflag, - MGA_TDUALSTAGE0, ctx->tdualstage0, - MGA_TDUALSTAGE1, ctx->tdualstage1, MGA_FCOL, ctx->fcol); - - DMA_BLOCK(MGA_STENCIL, ctx->stencil, - MGA_STENCILCTL, ctx->stencilctl, - MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000); - - ADVANCE_DMA(); -} - -static __inline__ void mga_g200_emit_tex0(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0]; - DMA_LOCALS; - - BEGIN_DMA(4); - - DMA_BLOCK(MGA_TEXCTL2, tex->texctl2, - MGA_TEXCTL, tex->texctl, - MGA_TEXFILTER, tex->texfilter, - MGA_TEXBORDERCOL, tex->texbordercol); - - DMA_BLOCK(MGA_TEXORG, tex->texorg, - MGA_TEXORG1, tex->texorg1, - MGA_TEXORG2, tex->texorg2, MGA_TEXORG3, tex->texorg3); - - DMA_BLOCK(MGA_TEXORG4, tex->texorg4, - MGA_TEXWIDTH, tex->texwidth, - MGA_TEXHEIGHT, tex->texheight, MGA_WR24, tex->texwidth); - - DMA_BLOCK(MGA_WR34, tex->texheight, - MGA_TEXTRANS, 0x0000ffff, - MGA_TEXTRANSHIGH, 0x0000ffff, MGA_DMAPAD, 0x00000000); - - ADVANCE_DMA(); -} - -static __inline__ void mga_g400_emit_tex0(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0]; - DMA_LOCALS; - -/* printk("mga_g400_emit_tex0 %x %x %x\n", tex->texorg, */ -/* tex->texctl, tex->texctl2); */ - - BEGIN_DMA(6); - - DMA_BLOCK(MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC, - MGA_TEXCTL, tex->texctl, - MGA_TEXFILTER, tex->texfilter, - MGA_TEXBORDERCOL, tex->texbordercol); - - DMA_BLOCK(MGA_TEXORG, tex->texorg, - MGA_TEXORG1, tex->texorg1, - MGA_TEXORG2, tex->texorg2, MGA_TEXORG3, tex->texorg3); - - DMA_BLOCK(MGA_TEXORG4, tex->texorg4, - MGA_TEXWIDTH, tex->texwidth, - MGA_TEXHEIGHT, tex->texheight, MGA_WR49, 0x00000000); - - DMA_BLOCK(MGA_WR57, 0x00000000, - MGA_WR53, 0x00000000, - MGA_WR61, 0x00000000, MGA_WR52, MGA_G400_WR_MAGIC); - - DMA_BLOCK(MGA_WR60, MGA_G400_WR_MAGIC, - MGA_WR54, tex->texwidth | MGA_G400_WR_MAGIC, - MGA_WR62, tex->texheight | MGA_G400_WR_MAGIC, - MGA_DMAPAD, 0x00000000); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_TEXTRANS, 0x0000ffff, MGA_TEXTRANSHIGH, 0x0000ffff); - - ADVANCE_DMA(); -} - -static __inline__ void mga_g400_emit_tex1(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1]; - DMA_LOCALS; - -/* printk("mga_g400_emit_tex1 %x %x %x\n", tex->texorg, */ -/* tex->texctl, tex->texctl2); */ - - BEGIN_DMA(5); - - DMA_BLOCK(MGA_TEXCTL2, (tex->texctl2 | - MGA_MAP1_ENABLE | - MGA_G400_TC2_MAGIC), - MGA_TEXCTL, tex->texctl, - MGA_TEXFILTER, tex->texfilter, - MGA_TEXBORDERCOL, tex->texbordercol); - - DMA_BLOCK(MGA_TEXORG, tex->texorg, - MGA_TEXORG1, tex->texorg1, - MGA_TEXORG2, tex->texorg2, MGA_TEXORG3, tex->texorg3); - - DMA_BLOCK(MGA_TEXORG4, tex->texorg4, - MGA_TEXWIDTH, tex->texwidth, - MGA_TEXHEIGHT, tex->texheight, MGA_WR49, 0x00000000); - - DMA_BLOCK(MGA_WR57, 0x00000000, - MGA_WR53, 0x00000000, - MGA_WR61, 0x00000000, - MGA_WR52, tex->texwidth | MGA_G400_WR_MAGIC); - - DMA_BLOCK(MGA_WR60, tex->texheight | MGA_G400_WR_MAGIC, - MGA_TEXTRANS, 0x0000ffff, - MGA_TEXTRANSHIGH, 0x0000ffff, - MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC); - - ADVANCE_DMA(); -} - -static __inline__ void mga_g200_emit_pipe(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int pipe = sarea_priv->warp_pipe; - DMA_LOCALS; - - BEGIN_DMA(3); - - DMA_BLOCK(MGA_WIADDR, MGA_WMODE_SUSPEND, - MGA_WVRTXSZ, 0x00000007, - MGA_WFLAG, 0x00000000, MGA_WR24, 0x00000000); - - DMA_BLOCK(MGA_WR25, 0x00000100, - MGA_WR34, 0x00000000, - MGA_WR42, 0x0000ffff, MGA_WR60, 0x0000ffff); - - /* Padding required due to hardware bug. - */ - DMA_BLOCK(MGA_DMAPAD, 0xffffffff, - MGA_DMAPAD, 0xffffffff, - MGA_DMAPAD, 0xffffffff, - MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] | - MGA_WMODE_START | dev_priv->wagp_enable)); - - ADVANCE_DMA(); -} - -static __inline__ void mga_g400_emit_pipe(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int pipe = sarea_priv->warp_pipe; - DMA_LOCALS; - -/* printk("mga_g400_emit_pipe %x\n", pipe); */ - - BEGIN_DMA(10); - - DMA_BLOCK(MGA_WIADDR2, MGA_WMODE_SUSPEND, - MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000); - - if (pipe & MGA_T2) { - DMA_BLOCK(MGA_WVRTXSZ, 0x00001e09, - MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000); - - DMA_BLOCK(MGA_WACCEPTSEQ, 0x00000000, - MGA_WACCEPTSEQ, 0x00000000, - MGA_WACCEPTSEQ, 0x00000000, - MGA_WACCEPTSEQ, 0x1e000000); - } else { - if (dev_priv->warp_pipe & MGA_T2) { - /* Flush the WARP pipe */ - DMA_BLOCK(MGA_YDST, 0x00000000, - MGA_FXLEFT, 0x00000000, - MGA_FXRIGHT, 0x00000001, - MGA_DWGCTL, MGA_DWGCTL_FLUSH); - - DMA_BLOCK(MGA_LEN + MGA_EXEC, 0x00000001, - MGA_DWGSYNC, 0x00007000, - MGA_TEXCTL2, MGA_G400_TC2_MAGIC, - MGA_LEN + MGA_EXEC, 0x00000000); - - DMA_BLOCK(MGA_TEXCTL2, (MGA_DUALTEX | - MGA_G400_TC2_MAGIC), - MGA_LEN + MGA_EXEC, 0x00000000, - MGA_TEXCTL2, MGA_G400_TC2_MAGIC, - MGA_DMAPAD, 0x00000000); - } - - DMA_BLOCK(MGA_WVRTXSZ, 0x00001807, - MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000); - - DMA_BLOCK(MGA_WACCEPTSEQ, 0x00000000, - MGA_WACCEPTSEQ, 0x00000000, - MGA_WACCEPTSEQ, 0x00000000, - MGA_WACCEPTSEQ, 0x18000000); - } - - DMA_BLOCK(MGA_WFLAG, 0x00000000, - MGA_WFLAG1, 0x00000000, - MGA_WR56, MGA_G400_WR56_MAGIC, MGA_DMAPAD, 0x00000000); - - DMA_BLOCK(MGA_WR49, 0x00000000, /* tex0 */ - MGA_WR57, 0x00000000, /* tex0 */ - MGA_WR53, 0x00000000, /* tex1 */ - MGA_WR61, 0x00000000); /* tex1 */ - - DMA_BLOCK(MGA_WR54, MGA_G400_WR_MAGIC, /* tex0 width */ - MGA_WR62, MGA_G400_WR_MAGIC, /* tex0 height */ - MGA_WR52, MGA_G400_WR_MAGIC, /* tex1 width */ - MGA_WR60, MGA_G400_WR_MAGIC); /* tex1 height */ - - /* Padding required due to hardware bug */ - DMA_BLOCK(MGA_DMAPAD, 0xffffffff, - MGA_DMAPAD, 0xffffffff, - MGA_DMAPAD, 0xffffffff, - MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] | - MGA_WMODE_START | dev_priv->wagp_enable)); - - ADVANCE_DMA(); -} - -static void mga_g200_emit_state(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int dirty = sarea_priv->dirty; - - if (sarea_priv->warp_pipe != dev_priv->warp_pipe) { - mga_g200_emit_pipe(dev_priv); - dev_priv->warp_pipe = sarea_priv->warp_pipe; - } - - if (dirty & MGA_UPLOAD_CONTEXT) { - mga_g200_emit_context(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT; - } - - if (dirty & MGA_UPLOAD_TEX0) { - mga_g200_emit_tex0(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; - } -} - -static void mga_g400_emit_state(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int dirty = sarea_priv->dirty; - int multitex = sarea_priv->warp_pipe & MGA_T2; - - if (sarea_priv->warp_pipe != dev_priv->warp_pipe) { - mga_g400_emit_pipe(dev_priv); - dev_priv->warp_pipe = sarea_priv->warp_pipe; - } - - if (dirty & MGA_UPLOAD_CONTEXT) { - mga_g400_emit_context(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT; - } - - if (dirty & MGA_UPLOAD_TEX0) { - mga_g400_emit_tex0(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; - } - - if ((dirty & MGA_UPLOAD_TEX1) && multitex) { - mga_g400_emit_tex1(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_TEX1; - } -} - -/* ================================================================ - * SAREA state verification - */ - -/* Disallow all write destinations except the front and backbuffer. - */ -static int mga_verify_context(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_context_regs_t *ctx = &sarea_priv->context_state; - - if (ctx->dstorg != dev_priv->front_offset && - ctx->dstorg != dev_priv->back_offset) { - DRM_ERROR("*** bad DSTORG: %x (front %x, back %x)\n\n", - ctx->dstorg, dev_priv->front_offset, - dev_priv->back_offset); - ctx->dstorg = 0; - return -EINVAL; - } - - return 0; -} - -/* Disallow texture reads from PCI space. - */ -static int mga_verify_tex(drm_mga_private_t *dev_priv, int unit) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[unit]; - unsigned int org; - - org = tex->texorg & (MGA_TEXORGMAP_MASK | MGA_TEXORGACC_MASK); - - if (org == (MGA_TEXORGMAP_SYSMEM | MGA_TEXORGACC_PCI)) { - DRM_ERROR("*** bad TEXORG: 0x%x, unit %d\n", tex->texorg, unit); - tex->texorg = 0; - return -EINVAL; - } - - return 0; -} - -static int mga_verify_state(drm_mga_private_t *dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int dirty = sarea_priv->dirty; - int ret = 0; - - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - - if (dirty & MGA_UPLOAD_CONTEXT) - ret |= mga_verify_context(dev_priv); - - if (dirty & MGA_UPLOAD_TEX0) - ret |= mga_verify_tex(dev_priv, 0); - - if (dev_priv->chipset >= MGA_CARD_TYPE_G400) { - if (dirty & MGA_UPLOAD_TEX1) - ret |= mga_verify_tex(dev_priv, 1); - - if (dirty & MGA_UPLOAD_PIPE) - ret |= (sarea_priv->warp_pipe > MGA_MAX_G400_PIPES); - } else { - if (dirty & MGA_UPLOAD_PIPE) - ret |= (sarea_priv->warp_pipe > MGA_MAX_G200_PIPES); - } - - return (ret == 0); -} - -static int mga_verify_iload(drm_mga_private_t *dev_priv, - unsigned int dstorg, unsigned int length) -{ - if (dstorg < dev_priv->texture_offset || - dstorg + length > (dev_priv->texture_offset + - dev_priv->texture_size)) { - DRM_ERROR("*** bad iload DSTORG: 0x%x\n", dstorg); - return -EINVAL; - } - - if (length & MGA_ILOAD_MASK) { - DRM_ERROR("*** bad iload length: 0x%x\n", - length & MGA_ILOAD_MASK); - return -EINVAL; - } - - return 0; -} - -static int mga_verify_blit(drm_mga_private_t *dev_priv, - unsigned int srcorg, unsigned int dstorg) -{ - if ((srcorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) || - (dstorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM)) { - DRM_ERROR("*** bad blit: src=0x%x dst=0x%x\n", srcorg, dstorg); - return -EINVAL; - } - return 0; -} - -/* ================================================================ - * - */ - -static void mga_dma_dispatch_clear(struct drm_device *dev, drm_mga_clear_t *clear) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_context_regs_t *ctx = &sarea_priv->context_state; - struct drm_clip_rect *pbox = sarea_priv->boxes; - int nbox = sarea_priv->nbox; - int i; - DMA_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_DMA(1); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000); - - ADVANCE_DMA(); - - for (i = 0; i < nbox; i++) { - struct drm_clip_rect *box = &pbox[i]; - u32 height = box->y2 - box->y1; - - DRM_DEBUG(" from=%d,%d to=%d,%d\n", - box->x1, box->y1, box->x2, box->y2); - - if (clear->flags & MGA_FRONT) { - BEGIN_DMA(2); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_PLNWT, clear->color_mask, - MGA_YDSTLEN, (box->y1 << 16) | height, - MGA_FXBNDRY, (box->x2 << 16) | box->x1); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_FCOL, clear->clear_color, - MGA_DSTORG, dev_priv->front_offset, - MGA_DWGCTL + MGA_EXEC, dev_priv->clear_cmd); - - ADVANCE_DMA(); - } - - if (clear->flags & MGA_BACK) { - BEGIN_DMA(2); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_PLNWT, clear->color_mask, - MGA_YDSTLEN, (box->y1 << 16) | height, - MGA_FXBNDRY, (box->x2 << 16) | box->x1); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_FCOL, clear->clear_color, - MGA_DSTORG, dev_priv->back_offset, - MGA_DWGCTL + MGA_EXEC, dev_priv->clear_cmd); - - ADVANCE_DMA(); - } - - if (clear->flags & MGA_DEPTH) { - BEGIN_DMA(2); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_PLNWT, clear->depth_mask, - MGA_YDSTLEN, (box->y1 << 16) | height, - MGA_FXBNDRY, (box->x2 << 16) | box->x1); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_FCOL, clear->clear_depth, - MGA_DSTORG, dev_priv->depth_offset, - MGA_DWGCTL + MGA_EXEC, dev_priv->clear_cmd); - - ADVANCE_DMA(); - } - - } - - BEGIN_DMA(1); - - /* Force reset of DWGCTL */ - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_PLNWT, ctx->plnwt, MGA_DWGCTL, ctx->dwgctl); - - ADVANCE_DMA(); - - FLUSH_DMA(); -} - -static void mga_dma_dispatch_swap(struct drm_device *dev) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_context_regs_t *ctx = &sarea_priv->context_state; - struct drm_clip_rect *pbox = sarea_priv->boxes; - int nbox = sarea_priv->nbox; - int i; - DMA_LOCALS; - DRM_DEBUG("\n"); - - sarea_priv->last_frame.head = dev_priv->prim.tail; - sarea_priv->last_frame.wrap = dev_priv->prim.last_wrap; - - BEGIN_DMA(4 + nbox); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000); - - DMA_BLOCK(MGA_DSTORG, dev_priv->front_offset, - MGA_MACCESS, dev_priv->maccess, - MGA_SRCORG, dev_priv->back_offset, - MGA_AR5, dev_priv->front_pitch); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_PLNWT, 0xffffffff, MGA_DWGCTL, MGA_DWGCTL_COPY); - - for (i = 0; i < nbox; i++) { - struct drm_clip_rect *box = &pbox[i]; - u32 height = box->y2 - box->y1; - u32 start = box->y1 * dev_priv->front_pitch; - - DRM_DEBUG(" from=%d,%d to=%d,%d\n", - box->x1, box->y1, box->x2, box->y2); - - DMA_BLOCK(MGA_AR0, start + box->x2 - 1, - MGA_AR3, start + box->x1, - MGA_FXBNDRY, ((box->x2 - 1) << 16) | box->x1, - MGA_YDSTLEN + MGA_EXEC, (box->y1 << 16) | height); - } - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_PLNWT, ctx->plnwt, - MGA_SRCORG, dev_priv->front_offset, MGA_DWGCTL, ctx->dwgctl); - - ADVANCE_DMA(); - - FLUSH_DMA(); - - DRM_DEBUG("... done.\n"); -} - -static void mga_dma_dispatch_vertex(struct drm_device *dev, struct drm_buf *buf) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_buf_priv_t *buf_priv = buf->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - u32 address = (u32) buf->bus_address; - u32 length = (u32) buf->used; - int i = 0; - DMA_LOCALS; - DRM_DEBUG("buf=%d used=%d\n", buf->idx, buf->used); - - if (buf->used) { - buf_priv->dispatched = 1; - - MGA_EMIT_STATE(dev_priv, sarea_priv->dirty); - - do { - if (i < sarea_priv->nbox) { - mga_emit_clip_rect(dev_priv, - &sarea_priv->boxes[i]); - } - - BEGIN_DMA(1); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_SECADDRESS, (address | - MGA_DMA_VERTEX), - MGA_SECEND, ((address + length) | - dev_priv->dma_access)); - - ADVANCE_DMA(); - } while (++i < sarea_priv->nbox); - } - - if (buf_priv->discard) { - AGE_BUFFER(buf_priv); - buf->pending = 0; - buf->used = 0; - buf_priv->dispatched = 0; - - mga_freelist_put(dev, buf); - } - - FLUSH_DMA(); -} - -static void mga_dma_dispatch_indices(struct drm_device *dev, struct drm_buf *buf, - unsigned int start, unsigned int end) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_buf_priv_t *buf_priv = buf->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - u32 address = (u32) buf->bus_address; - int i = 0; - DMA_LOCALS; - DRM_DEBUG("buf=%d start=%d end=%d\n", buf->idx, start, end); - - if (start != end) { - buf_priv->dispatched = 1; - - MGA_EMIT_STATE(dev_priv, sarea_priv->dirty); - - do { - if (i < sarea_priv->nbox) { - mga_emit_clip_rect(dev_priv, - &sarea_priv->boxes[i]); - } - - BEGIN_DMA(1); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_SETUPADDRESS, address + start, - MGA_SETUPEND, ((address + end) | - dev_priv->dma_access)); - - ADVANCE_DMA(); - } while (++i < sarea_priv->nbox); - } - - if (buf_priv->discard) { - AGE_BUFFER(buf_priv); - buf->pending = 0; - buf->used = 0; - buf_priv->dispatched = 0; - - mga_freelist_put(dev, buf); - } - - FLUSH_DMA(); -} - -/* This copies a 64 byte aligned agp region to the frambuffer with a - * standard blit, the ioctl needs to do checking. - */ -static void mga_dma_dispatch_iload(struct drm_device *dev, struct drm_buf *buf, - unsigned int dstorg, unsigned int length) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_buf_priv_t *buf_priv = buf->dev_private; - drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state; - u32 srcorg = - buf->bus_address | dev_priv->dma_access | MGA_SRCMAP_SYSMEM; - u32 y2; - DMA_LOCALS; - DRM_DEBUG("buf=%d used=%d\n", buf->idx, buf->used); - - y2 = length / 64; - - BEGIN_DMA(5); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000); - - DMA_BLOCK(MGA_DSTORG, dstorg, - MGA_MACCESS, 0x00000000, MGA_SRCORG, srcorg, MGA_AR5, 64); - - DMA_BLOCK(MGA_PITCH, 64, - MGA_PLNWT, 0xffffffff, - MGA_DMAPAD, 0x00000000, MGA_DWGCTL, MGA_DWGCTL_COPY); - - DMA_BLOCK(MGA_AR0, 63, - MGA_AR3, 0, - MGA_FXBNDRY, (63 << 16) | 0, MGA_YDSTLEN + MGA_EXEC, y2); - - DMA_BLOCK(MGA_PLNWT, ctx->plnwt, - MGA_SRCORG, dev_priv->front_offset, - MGA_PITCH, dev_priv->front_pitch, MGA_DWGSYNC, 0x00007000); - - ADVANCE_DMA(); - - AGE_BUFFER(buf_priv); - - buf->pending = 0; - buf->used = 0; - buf_priv->dispatched = 0; - - mga_freelist_put(dev, buf); - - FLUSH_DMA(); -} - -static void mga_dma_dispatch_blit(struct drm_device *dev, drm_mga_blit_t *blit) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_context_regs_t *ctx = &sarea_priv->context_state; - struct drm_clip_rect *pbox = sarea_priv->boxes; - int nbox = sarea_priv->nbox; - u32 scandir = 0, i; - DMA_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_DMA(4 + nbox); - - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000); - - DMA_BLOCK(MGA_DWGCTL, MGA_DWGCTL_COPY, - MGA_PLNWT, blit->planemask, - MGA_SRCORG, blit->srcorg, MGA_DSTORG, blit->dstorg); - - DMA_BLOCK(MGA_SGN, scandir, - MGA_MACCESS, dev_priv->maccess, - MGA_AR5, blit->ydir * blit->src_pitch, - MGA_PITCH, blit->dst_pitch); - - for (i = 0; i < nbox; i++) { - int srcx = pbox[i].x1 + blit->delta_sx; - int srcy = pbox[i].y1 + blit->delta_sy; - int dstx = pbox[i].x1 + blit->delta_dx; - int dsty = pbox[i].y1 + blit->delta_dy; - int h = pbox[i].y2 - pbox[i].y1; - int w = pbox[i].x2 - pbox[i].x1 - 1; - int start; - - if (blit->ydir == -1) - srcy = blit->height - srcy - 1; - - start = srcy * blit->src_pitch + srcx; - - DMA_BLOCK(MGA_AR0, start + w, - MGA_AR3, start, - MGA_FXBNDRY, ((dstx + w) << 16) | (dstx & 0xffff), - MGA_YDSTLEN + MGA_EXEC, (dsty << 16) | h); - } - - /* Do something to flush AGP? - */ - - /* Force reset of DWGCTL */ - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_PLNWT, ctx->plnwt, - MGA_PITCH, dev_priv->front_pitch, MGA_DWGCTL, ctx->dwgctl); - - ADVANCE_DMA(); -} - -/* ================================================================ - * - */ - -static int mga_dma_clear(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_clear_t *clear = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - - WRAP_TEST_WITH_RETURN(dev_priv); - - mga_dma_dispatch_clear(dev, clear); - - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; - - return 0; -} - -static int mga_dma_swap(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - - WRAP_TEST_WITH_RETURN(dev_priv); - - mga_dma_dispatch_swap(dev); - - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; - - return 0; -} - -static int mga_dma_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_mga_buf_priv_t *buf_priv; - drm_mga_vertex_t *vertex = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (vertex->idx < 0 || vertex->idx > dma->buf_count) - return -EINVAL; - buf = dma->buflist[vertex->idx]; - buf_priv = buf->dev_private; - - buf->used = vertex->used; - buf_priv->discard = vertex->discard; - - if (!mga_verify_state(dev_priv)) { - if (vertex->discard) { - if (buf_priv->dispatched == 1) - AGE_BUFFER(buf_priv); - buf_priv->dispatched = 0; - mga_freelist_put(dev, buf); - } - return -EINVAL; - } - - WRAP_TEST_WITH_RETURN(dev_priv); - - mga_dma_dispatch_vertex(dev, buf); - - return 0; -} - -static int mga_dma_indices(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_mga_buf_priv_t *buf_priv; - drm_mga_indices_t *indices = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (indices->idx < 0 || indices->idx > dma->buf_count) - return -EINVAL; - - buf = dma->buflist[indices->idx]; - buf_priv = buf->dev_private; - - buf_priv->discard = indices->discard; - - if (!mga_verify_state(dev_priv)) { - if (indices->discard) { - if (buf_priv->dispatched == 1) - AGE_BUFFER(buf_priv); - buf_priv->dispatched = 0; - mga_freelist_put(dev, buf); - } - return -EINVAL; - } - - WRAP_TEST_WITH_RETURN(dev_priv); - - mga_dma_dispatch_indices(dev, buf, indices->start, indices->end); - - return 0; -} - -static int mga_dma_iload(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - drm_mga_private_t *dev_priv = dev->dev_private; - struct drm_buf *buf; - drm_mga_iload_t *iload = data; - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - -#if 0 - if (mga_do_wait_for_idle(dev_priv) < 0) { - if (MGA_DMA_DEBUG) - DRM_INFO("-EBUSY\n"); - return -EBUSY; - } -#endif - if (iload->idx < 0 || iload->idx > dma->buf_count) - return -EINVAL; - - buf = dma->buflist[iload->idx]; - - if (mga_verify_iload(dev_priv, iload->dstorg, iload->length)) { - mga_freelist_put(dev, buf); - return -EINVAL; - } - - WRAP_TEST_WITH_RETURN(dev_priv); - - mga_dma_dispatch_iload(dev, buf, iload->dstorg, iload->length); - - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; - - return 0; -} - -static int mga_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_blit_t *blit = data; - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - - if (mga_verify_blit(dev_priv, blit->srcorg, blit->dstorg)) - return -EINVAL; - - WRAP_TEST_WITH_RETURN(dev_priv); - - mga_dma_dispatch_blit(dev, blit); - - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; - - return 0; -} - -int mga_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_getparam_t *param = data; - struct pci_dev *pdev = to_pci_dev(dev->dev); - int value; - - if (!dev_priv) { - DRM_ERROR("called with no initialization\n"); - return -EINVAL; - } - - DRM_DEBUG("pid=%d\n", task_pid_nr(current)); - - switch (param->param) { - case MGA_PARAM_IRQ_NR: - value = pdev->irq; - break; - case MGA_PARAM_CARD_TYPE: - value = dev_priv->chipset; - break; - default: - return -EINVAL; - } - - if (copy_to_user(param->value, &value, sizeof(int))) { - DRM_ERROR("copy_to_user\n"); - return -EFAULT; - } - - return 0; -} - -static int mga_set_fence(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - u32 *fence = data; - DMA_LOCALS; - - if (!dev_priv) { - DRM_ERROR("called with no initialization\n"); - return -EINVAL; - } - - DRM_DEBUG("pid=%d\n", task_pid_nr(current)); - - /* I would normal do this assignment in the declaration of fence, - * but dev_priv may be NULL. - */ - - *fence = dev_priv->next_fence_to_post; - dev_priv->next_fence_to_post++; - - BEGIN_DMA(1); - DMA_BLOCK(MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, - MGA_DMAPAD, 0x00000000, MGA_SOFTRAP, 0x00000000); - ADVANCE_DMA(); - - return 0; -} - -static int mga_wait_fence(struct drm_device *dev, void *data, struct drm_file * -file_priv) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - u32 *fence = data; - - if (!dev_priv) { - DRM_ERROR("called with no initialization\n"); - return -EINVAL; - } - - DRM_DEBUG("pid=%d\n", task_pid_nr(current)); - - mga_driver_fence_wait(dev, fence); - return 0; -} - -const struct drm_ioctl_desc mga_ioctls[] = { - DRM_IOCTL_DEF_DRV(MGA_INIT, mga_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF_DRV(MGA_FLUSH, mga_dma_flush, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_RESET, mga_dma_reset, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_SWAP, mga_dma_swap, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_CLEAR, mga_dma_clear, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_VERTEX, mga_dma_vertex, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_INDICES, mga_dma_indices, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_ILOAD, mga_dma_iload, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_BLIT, mga_dma_blit, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_GETPARAM, mga_getparam, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_SET_FENCE, mga_set_fence, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_WAIT_FENCE, mga_wait_fence, DRM_AUTH), - DRM_IOCTL_DEF_DRV(MGA_DMA_BOOTSTRAP, mga_dma_bootstrap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), -}; - -int mga_max_ioctl = ARRAY_SIZE(mga_ioctls); diff --git a/drivers/gpu/drm/mga/mga_warp.c b/drivers/gpu/drm/mga/mga_warp.c deleted file mode 100644 index b5ef1d2c8b1c..000000000000 --- a/drivers/gpu/drm/mga/mga_warp.c +++ /dev/null @@ -1,167 +0,0 @@ -/* mga_warp.c -- Matrox G200/G400 WARP engine management -*- linux-c -*- - * Created: Thu Jan 11 21:29:32 2001 by gareth@valinux.com - * - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Gareth Hughes - */ - -#include -#include -#include -#include - -#include "mga_drv.h" - -#define FIRMWARE_G200 "matrox/g200_warp.fw" -#define FIRMWARE_G400 "matrox/g400_warp.fw" - -MODULE_FIRMWARE(FIRMWARE_G200); -MODULE_FIRMWARE(FIRMWARE_G400); - -#define MGA_WARP_CODE_ALIGN 256 /* in bytes */ - -#define WARP_UCODE_SIZE(size) ALIGN(size, MGA_WARP_CODE_ALIGN) - -int mga_warp_install_microcode(drm_mga_private_t *dev_priv) -{ - unsigned char *vcbase = dev_priv->warp->handle; - unsigned long pcbase = dev_priv->warp->offset; - const char *firmware_name; - struct platform_device *pdev; - const struct firmware *fw = NULL; - const struct ihex_binrec *rec; - unsigned int size; - int n_pipes, where; - int rc = 0; - - switch (dev_priv->chipset) { - case MGA_CARD_TYPE_G400: - case MGA_CARD_TYPE_G550: - firmware_name = FIRMWARE_G400; - n_pipes = MGA_MAX_G400_PIPES; - break; - case MGA_CARD_TYPE_G200: - firmware_name = FIRMWARE_G200; - n_pipes = MGA_MAX_G200_PIPES; - break; - default: - return -EINVAL; - } - - pdev = platform_device_register_simple("mga_warp", 0, NULL, 0); - if (IS_ERR(pdev)) { - DRM_ERROR("mga: Failed to register microcode\n"); - return PTR_ERR(pdev); - } - rc = request_ihex_firmware(&fw, firmware_name, &pdev->dev); - platform_device_unregister(pdev); - if (rc) { - DRM_ERROR("mga: Failed to load microcode \"%s\"\n", - firmware_name); - return rc; - } - - size = 0; - where = 0; - for (rec = (const struct ihex_binrec *)fw->data; - rec; - rec = ihex_next_binrec(rec)) { - size += WARP_UCODE_SIZE(be16_to_cpu(rec->len)); - where++; - } - - if (where != n_pipes) { - DRM_ERROR("mga: Invalid microcode \"%s\"\n", firmware_name); - rc = -EINVAL; - goto out; - } - size = PAGE_ALIGN(size); - DRM_DEBUG("MGA ucode size = %d bytes\n", size); - if (size > dev_priv->warp->size) { - DRM_ERROR("microcode too large! (%u > %lu)\n", - size, dev_priv->warp->size); - rc = -ENOMEM; - goto out; - } - - memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys)); - - where = 0; - for (rec = (const struct ihex_binrec *)fw->data; - rec; - rec = ihex_next_binrec(rec)) { - unsigned int src_size, dst_size; - - DRM_DEBUG(" pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase); - dev_priv->warp_pipe_phys[where] = pcbase; - src_size = be16_to_cpu(rec->len); - dst_size = WARP_UCODE_SIZE(src_size); - memcpy(vcbase, rec->data, src_size); - pcbase += dst_size; - vcbase += dst_size; - where++; - } - -out: - release_firmware(fw); - return rc; -} - -#define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE) - -int mga_warp_init(drm_mga_private_t *dev_priv) -{ - u32 wmisc; - - /* FIXME: Get rid of these damned magic numbers... - */ - switch (dev_priv->chipset) { - case MGA_CARD_TYPE_G400: - case MGA_CARD_TYPE_G550: - MGA_WRITE(MGA_WIADDR2, MGA_WMODE_SUSPEND); - MGA_WRITE(MGA_WGETMSB, 0x00000E00); - MGA_WRITE(MGA_WVRTXSZ, 0x00001807); - MGA_WRITE(MGA_WACCEPTSEQ, 0x18000000); - break; - case MGA_CARD_TYPE_G200: - MGA_WRITE(MGA_WIADDR, MGA_WMODE_SUSPEND); - MGA_WRITE(MGA_WGETMSB, 0x1606); - MGA_WRITE(MGA_WVRTXSZ, 7); - break; - default: - return -EINVAL; - } - - MGA_WRITE(MGA_WMISC, (MGA_WUCODECACHE_ENABLE | - MGA_WMASTER_ENABLE | MGA_WCACHEFLUSH_ENABLE)); - wmisc = MGA_READ(MGA_WMISC); - if (wmisc != WMISC_EXPECTED) { - DRM_ERROR("WARP engine config failed! 0x%x != 0x%x\n", - wmisc, WMISC_EXPECTED); - return -EINVAL; - } - - return 0; -} diff --git a/drivers/gpu/drm/r128/Makefile b/drivers/gpu/drm/r128/Makefile deleted file mode 100644 index c07a069533ef..000000000000 --- a/drivers/gpu/drm/r128/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for the drm device driver. This driver provides support for the -# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. - -r128-y := r128_drv.o r128_cce.o r128_state.o r128_irq.o ati_pcigart.o - -r128-$(CONFIG_COMPAT) += r128_ioc32.o - -obj-$(CONFIG_DRM_R128) += r128.o diff --git a/drivers/gpu/drm/r128/ati_pcigart.c b/drivers/gpu/drm/r128/ati_pcigart.c deleted file mode 100644 index dde0501aea68..000000000000 --- a/drivers/gpu/drm/r128/ati_pcigart.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * \file ati_pcigart.c - * ATI PCI GART support - * - * \author Gareth Hughes - */ - -/* - * Created: Wed Dec 13 21:52:19 2000 by gareth@valinux.com - * - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#include -#include - -#include -#include -#include - -#include "ati_pcigart.h" - -# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ - -static int drm_ati_alloc_pcigart_table(struct drm_device *dev, - struct drm_ati_pcigart_info *gart_info) -{ - drm_dma_handle_t *dmah = kmalloc(sizeof(drm_dma_handle_t), GFP_KERNEL); - - if (!dmah) - return -ENOMEM; - - dmah->size = gart_info->table_size; - dmah->vaddr = dma_alloc_coherent(dev->dev, - dmah->size, - &dmah->busaddr, - GFP_KERNEL); - - if (!dmah->vaddr) { - kfree(dmah); - return -ENOMEM; - } - - gart_info->table_handle = dmah; - return 0; -} - -static void drm_ati_free_pcigart_table(struct drm_device *dev, - struct drm_ati_pcigart_info *gart_info) -{ - drm_dma_handle_t *dmah = gart_info->table_handle; - - dma_free_coherent(dev->dev, dmah->size, dmah->vaddr, dmah->busaddr); - kfree(dmah); - - gart_info->table_handle = NULL; -} - -int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info) -{ - struct drm_sg_mem *entry = dev->sg; - struct pci_dev *pdev = to_pci_dev(dev->dev); - unsigned long pages; - int i; - int max_pages; - - /* we need to support large memory configurations */ - if (!entry) { - DRM_ERROR("no scatter/gather memory!\n"); - return 0; - } - - if (gart_info->bus_addr) { - - max_pages = (gart_info->table_size / sizeof(u32)); - pages = (entry->pages <= max_pages) - ? entry->pages : max_pages; - - for (i = 0; i < pages; i++) { - if (!entry->busaddr[i]) - break; - dma_unmap_page(&pdev->dev, entry->busaddr[i], - PAGE_SIZE, DMA_BIDIRECTIONAL); - } - - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) - gart_info->bus_addr = 0; - } - - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN && - gart_info->table_handle) { - drm_ati_free_pcigart_table(dev, gart_info); - } - - return 1; -} - -int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info) -{ - struct drm_local_map *map = &gart_info->mapping; - struct drm_sg_mem *entry = dev->sg; - struct pci_dev *pdev = to_pci_dev(dev->dev); - void *address = NULL; - unsigned long pages; - u32 *pci_gart = NULL, page_base, gart_idx; - dma_addr_t bus_address = 0; - int i, j, ret = -ENOMEM; - int max_ati_pages, max_real_pages; - - if (!entry) { - DRM_ERROR("no scatter/gather memory!\n"); - goto done; - } - - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { - DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n"); - - if (dma_set_mask(&pdev->dev, gart_info->table_mask)) { - DRM_ERROR("fail to set dma mask to 0x%Lx\n", - (unsigned long long)gart_info->table_mask); - ret = -EFAULT; - goto done; - } - - ret = drm_ati_alloc_pcigart_table(dev, gart_info); - if (ret) { - DRM_ERROR("cannot allocate PCI GART page!\n"); - goto done; - } - - pci_gart = gart_info->table_handle->vaddr; - address = gart_info->table_handle->vaddr; - bus_address = gart_info->table_handle->busaddr; - } else { - address = gart_info->addr; - bus_address = gart_info->bus_addr; - DRM_DEBUG("PCI: Gart Table: VRAM %08LX mapped at %08lX\n", - (unsigned long long)bus_address, - (unsigned long)address); - } - - - max_ati_pages = (gart_info->table_size / sizeof(u32)); - max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); - pages = (entry->pages <= max_real_pages) - ? entry->pages : max_real_pages; - - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { - memset(pci_gart, 0, max_ati_pages * sizeof(u32)); - } else { - memset_io((void __iomem *)map->handle, 0, max_ati_pages * sizeof(u32)); - } - - gart_idx = 0; - for (i = 0; i < pages; i++) { - /* we need to support large memory configurations */ - entry->busaddr[i] = dma_map_page(&pdev->dev, entry->pagelist[i], - 0, PAGE_SIZE, DMA_BIDIRECTIONAL); - if (dma_mapping_error(&pdev->dev, entry->busaddr[i])) { - DRM_ERROR("unable to map PCIGART pages!\n"); - drm_ati_pcigart_cleanup(dev, gart_info); - address = NULL; - bus_address = 0; - ret = -ENOMEM; - goto done; - } - page_base = (u32) entry->busaddr[i]; - - for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { - u32 offset; - u32 val; - - switch(gart_info->gart_reg_if) { - case DRM_ATI_GART_IGP: - val = page_base | 0xc; - break; - case DRM_ATI_GART_PCIE: - val = (page_base >> 8) | 0xc; - break; - default: - case DRM_ATI_GART_PCI: - val = page_base; - break; - } - if (gart_info->gart_table_location == - DRM_ATI_GART_MAIN) { - pci_gart[gart_idx] = cpu_to_le32(val); - } else { - offset = gart_idx * sizeof(u32); - writel(val, (void __iomem *)map->handle + offset); - } - gart_idx++; - page_base += ATI_PCIGART_PAGE_SIZE; - } - } - ret = 0; - -#ifdef CONFIG_X86 - wbinvd(); -#else - mb(); -#endif - - done: - gart_info->addr = address; - gart_info->bus_addr = bus_address; - return ret; -} diff --git a/drivers/gpu/drm/r128/ati_pcigart.h b/drivers/gpu/drm/r128/ati_pcigart.h deleted file mode 100644 index a728a1364e66..000000000000 --- a/drivers/gpu/drm/r128/ati_pcigart.h +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef DRM_ATI_PCIGART_H -#define DRM_ATI_PCIGART_H - -#include - -/* location of GART table */ -#define DRM_ATI_GART_MAIN 1 -#define DRM_ATI_GART_FB 2 - -#define DRM_ATI_GART_PCI 1 -#define DRM_ATI_GART_PCIE 2 -#define DRM_ATI_GART_IGP 3 - -struct drm_ati_pcigart_info { - int gart_table_location; - int gart_reg_if; - void *addr; - dma_addr_t bus_addr; - dma_addr_t table_mask; - struct drm_dma_handle *table_handle; - struct drm_local_map mapping; - int table_size; -}; - -extern int drm_ati_pcigart_init(struct drm_device *dev, - struct drm_ati_pcigart_info * gart_info); -extern int drm_ati_pcigart_cleanup(struct drm_device *dev, - struct drm_ati_pcigart_info * gart_info); - -#endif diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c deleted file mode 100644 index c04d84a69dd2..000000000000 --- a/drivers/gpu/drm/r128/r128_cce.c +++ /dev/null @@ -1,944 +0,0 @@ -/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*- - * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com - */ -/* - * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Gareth Hughes - */ - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#include "r128_drv.h" - -#define R128_FIFO_DEBUG 0 - -#define FIRMWARE_NAME "r128/r128_cce.bin" - -MODULE_FIRMWARE(FIRMWARE_NAME); - -static int R128_READ_PLL(struct drm_device *dev, int addr) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - - R128_WRITE8(R128_CLOCK_CNTL_INDEX, addr & 0x1f); - return R128_READ(R128_CLOCK_CNTL_DATA); -} - -#if R128_FIFO_DEBUG -static void r128_status(drm_r128_private_t *dev_priv) -{ - printk("GUI_STAT = 0x%08x\n", - (unsigned int)R128_READ(R128_GUI_STAT)); - printk("PM4_STAT = 0x%08x\n", - (unsigned int)R128_READ(R128_PM4_STAT)); - printk("PM4_BUFFER_DL_WPTR = 0x%08x\n", - (unsigned int)R128_READ(R128_PM4_BUFFER_DL_WPTR)); - printk("PM4_BUFFER_DL_RPTR = 0x%08x\n", - (unsigned int)R128_READ(R128_PM4_BUFFER_DL_RPTR)); - printk("PM4_MICRO_CNTL = 0x%08x\n", - (unsigned int)R128_READ(R128_PM4_MICRO_CNTL)); - printk("PM4_BUFFER_CNTL = 0x%08x\n", - (unsigned int)R128_READ(R128_PM4_BUFFER_CNTL)); -} -#endif - -/* ================================================================ - * Engine, FIFO control - */ - -static int r128_do_pixcache_flush(drm_r128_private_t *dev_priv) -{ - u32 tmp; - int i; - - tmp = R128_READ(R128_PC_NGUI_CTLSTAT) | R128_PC_FLUSH_ALL; - R128_WRITE(R128_PC_NGUI_CTLSTAT, tmp); - - for (i = 0; i < dev_priv->usec_timeout; i++) { - if (!(R128_READ(R128_PC_NGUI_CTLSTAT) & R128_PC_BUSY)) - return 0; - udelay(1); - } - -#if R128_FIFO_DEBUG - DRM_ERROR("failed!\n"); -#endif - return -EBUSY; -} - -static int r128_do_wait_for_fifo(drm_r128_private_t *dev_priv, int entries) -{ - int i; - - for (i = 0; i < dev_priv->usec_timeout; i++) { - int slots = R128_READ(R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK; - if (slots >= entries) - return 0; - udelay(1); - } - -#if R128_FIFO_DEBUG - DRM_ERROR("failed!\n"); -#endif - return -EBUSY; -} - -static int r128_do_wait_for_idle(drm_r128_private_t *dev_priv) -{ - int i, ret; - - ret = r128_do_wait_for_fifo(dev_priv, 64); - if (ret) - return ret; - - for (i = 0; i < dev_priv->usec_timeout; i++) { - if (!(R128_READ(R128_GUI_STAT) & R128_GUI_ACTIVE)) { - r128_do_pixcache_flush(dev_priv); - return 0; - } - udelay(1); - } - -#if R128_FIFO_DEBUG - DRM_ERROR("failed!\n"); -#endif - return -EBUSY; -} - -/* ================================================================ - * CCE control, initialization - */ - -/* Load the microcode for the CCE */ -static int r128_cce_load_microcode(drm_r128_private_t *dev_priv) -{ - struct platform_device *pdev; - const struct firmware *fw; - const __be32 *fw_data; - int rc, i; - - DRM_DEBUG("\n"); - - pdev = platform_device_register_simple("r128_cce", 0, NULL, 0); - if (IS_ERR(pdev)) { - pr_err("r128_cce: Failed to register firmware\n"); - return PTR_ERR(pdev); - } - rc = request_firmware(&fw, FIRMWARE_NAME, &pdev->dev); - platform_device_unregister(pdev); - if (rc) { - pr_err("r128_cce: Failed to load firmware \"%s\"\n", - FIRMWARE_NAME); - return rc; - } - - if (fw->size != 256 * 8) { - pr_err("r128_cce: Bogus length %zu in firmware \"%s\"\n", - fw->size, FIRMWARE_NAME); - rc = -EINVAL; - goto out_release; - } - - r128_do_wait_for_idle(dev_priv); - - fw_data = (const __be32 *)fw->data; - R128_WRITE(R128_PM4_MICROCODE_ADDR, 0); - for (i = 0; i < 256; i++) { - R128_WRITE(R128_PM4_MICROCODE_DATAH, - be32_to_cpup(&fw_data[i * 2])); - R128_WRITE(R128_PM4_MICROCODE_DATAL, - be32_to_cpup(&fw_data[i * 2 + 1])); - } - -out_release: - release_firmware(fw); - return rc; -} - -/* Flush any pending commands to the CCE. This should only be used just - * prior to a wait for idle, as it informs the engine that the command - * stream is ending. - */ -static void r128_do_cce_flush(drm_r128_private_t *dev_priv) -{ - u32 tmp; - - tmp = R128_READ(R128_PM4_BUFFER_DL_WPTR) | R128_PM4_BUFFER_DL_DONE; - R128_WRITE(R128_PM4_BUFFER_DL_WPTR, tmp); -} - -/* Wait for the CCE to go idle. - */ -int r128_do_cce_idle(drm_r128_private_t *dev_priv) -{ - int i; - - for (i = 0; i < dev_priv->usec_timeout; i++) { - if (GET_RING_HEAD(dev_priv) == dev_priv->ring.tail) { - int pm4stat = R128_READ(R128_PM4_STAT); - if (((pm4stat & R128_PM4_FIFOCNT_MASK) >= - dev_priv->cce_fifo_size) && - !(pm4stat & (R128_PM4_BUSY | - R128_PM4_GUI_ACTIVE))) { - return r128_do_pixcache_flush(dev_priv); - } - } - udelay(1); - } - -#if R128_FIFO_DEBUG - DRM_ERROR("failed!\n"); - r128_status(dev_priv); -#endif - return -EBUSY; -} - -/* Start the Concurrent Command Engine. - */ -static void r128_do_cce_start(drm_r128_private_t *dev_priv) -{ - r128_do_wait_for_idle(dev_priv); - - R128_WRITE(R128_PM4_BUFFER_CNTL, - dev_priv->cce_mode | dev_priv->ring.size_l2qw - | R128_PM4_BUFFER_CNTL_NOUPDATE); - R128_READ(R128_PM4_BUFFER_ADDR); /* as per the sample code */ - R128_WRITE(R128_PM4_MICRO_CNTL, R128_PM4_MICRO_FREERUN); - - dev_priv->cce_running = 1; -} - -/* Reset the Concurrent Command Engine. This will not flush any pending - * commands, so you must wait for the CCE command stream to complete - * before calling this routine. - */ -static void r128_do_cce_reset(drm_r128_private_t *dev_priv) -{ - R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0); - R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0); - dev_priv->ring.tail = 0; -} - -/* Stop the Concurrent Command Engine. This will not flush any pending - * commands, so you must flush the command stream and wait for the CCE - * to go idle before calling this routine. - */ -static void r128_do_cce_stop(drm_r128_private_t *dev_priv) -{ - R128_WRITE(R128_PM4_MICRO_CNTL, 0); - R128_WRITE(R128_PM4_BUFFER_CNTL, - R128_PM4_NONPM4 | R128_PM4_BUFFER_CNTL_NOUPDATE); - - dev_priv->cce_running = 0; -} - -/* Reset the engine. This will stop the CCE if it is running. - */ -static int r128_do_engine_reset(struct drm_device *dev) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - u32 clock_cntl_index, mclk_cntl, gen_reset_cntl; - - r128_do_pixcache_flush(dev_priv); - - clock_cntl_index = R128_READ(R128_CLOCK_CNTL_INDEX); - mclk_cntl = R128_READ_PLL(dev, R128_MCLK_CNTL); - - R128_WRITE_PLL(R128_MCLK_CNTL, - mclk_cntl | R128_FORCE_GCP | R128_FORCE_PIPE3D_CP); - - gen_reset_cntl = R128_READ(R128_GEN_RESET_CNTL); - - /* Taken from the sample code - do not change */ - R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl | R128_SOFT_RESET_GUI); - R128_READ(R128_GEN_RESET_CNTL); - R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl & ~R128_SOFT_RESET_GUI); - R128_READ(R128_GEN_RESET_CNTL); - - R128_WRITE_PLL(R128_MCLK_CNTL, mclk_cntl); - R128_WRITE(R128_CLOCK_CNTL_INDEX, clock_cntl_index); - R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl); - - /* Reset the CCE ring */ - r128_do_cce_reset(dev_priv); - - /* The CCE is no longer running after an engine reset */ - dev_priv->cce_running = 0; - - /* Reset any pending vertex, indirect buffers */ - r128_freelist_reset(dev); - - return 0; -} - -static void r128_cce_init_ring_buffer(struct drm_device *dev, - drm_r128_private_t *dev_priv) -{ - u32 ring_start; - u32 tmp; - - DRM_DEBUG("\n"); - - /* The manual (p. 2) says this address is in "VM space". This - * means it's an offset from the start of AGP space. - */ -#if IS_ENABLED(CONFIG_AGP) - if (!dev_priv->is_pci) - ring_start = dev_priv->cce_ring->offset - dev->agp->base; - else -#endif - ring_start = dev_priv->cce_ring->offset - - (unsigned long)dev->sg->virtual; - - R128_WRITE(R128_PM4_BUFFER_OFFSET, ring_start | R128_AGP_OFFSET); - - R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0); - R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0); - - /* Set watermark control */ - R128_WRITE(R128_PM4_BUFFER_WM_CNTL, - ((R128_WATERMARK_L / 4) << R128_WMA_SHIFT) - | ((R128_WATERMARK_M / 4) << R128_WMB_SHIFT) - | ((R128_WATERMARK_N / 4) << R128_WMC_SHIFT) - | ((R128_WATERMARK_K / 64) << R128_WB_WM_SHIFT)); - - /* Force read. Why? Because it's in the examples... */ - R128_READ(R128_PM4_BUFFER_ADDR); - - /* Turn on bus mastering */ - tmp = R128_READ(R128_BUS_CNTL) & ~R128_BUS_MASTER_DIS; - R128_WRITE(R128_BUS_CNTL, tmp); -} - -static int r128_do_init_cce(struct drm_device *dev, drm_r128_init_t *init) -{ - drm_r128_private_t *dev_priv; - int rc; - - DRM_DEBUG("\n"); - - if (dev->dev_private) { - DRM_DEBUG("called when already initialized\n"); - return -EINVAL; - } - - dev_priv = kzalloc(sizeof(drm_r128_private_t), GFP_KERNEL); - if (dev_priv == NULL) - return -ENOMEM; - - dev_priv->is_pci = init->is_pci; - - if (dev_priv->is_pci && !dev->sg) { - DRM_ERROR("PCI GART memory not allocated!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -EINVAL; - } - - dev_priv->usec_timeout = init->usec_timeout; - if (dev_priv->usec_timeout < 1 || - dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT) { - DRM_DEBUG("TIMEOUT problem!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -EINVAL; - } - - dev_priv->cce_mode = init->cce_mode; - - /* GH: Simple idle check. - */ - atomic_set(&dev_priv->idle_count, 0); - - /* We don't support anything other than bus-mastering ring mode, - * but the ring can be in either AGP or PCI space for the ring - * read pointer. - */ - if ((init->cce_mode != R128_PM4_192BM) && - (init->cce_mode != R128_PM4_128BM_64INDBM) && - (init->cce_mode != R128_PM4_64BM_128INDBM) && - (init->cce_mode != R128_PM4_64BM_64VCBM_64INDBM)) { - DRM_DEBUG("Bad cce_mode!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -EINVAL; - } - - switch (init->cce_mode) { - case R128_PM4_NONPM4: - dev_priv->cce_fifo_size = 0; - break; - case R128_PM4_192PIO: - case R128_PM4_192BM: - dev_priv->cce_fifo_size = 192; - break; - case R128_PM4_128PIO_64INDBM: - case R128_PM4_128BM_64INDBM: - dev_priv->cce_fifo_size = 128; - break; - case R128_PM4_64PIO_128INDBM: - case R128_PM4_64BM_128INDBM: - case R128_PM4_64PIO_64VCBM_64INDBM: - case R128_PM4_64BM_64VCBM_64INDBM: - case R128_PM4_64PIO_64VCPIO_64INDPIO: - dev_priv->cce_fifo_size = 64; - break; - } - - switch (init->fb_bpp) { - case 16: - dev_priv->color_fmt = R128_DATATYPE_RGB565; - break; - case 32: - default: - dev_priv->color_fmt = R128_DATATYPE_ARGB8888; - break; - } - dev_priv->front_offset = init->front_offset; - dev_priv->front_pitch = init->front_pitch; - dev_priv->back_offset = init->back_offset; - dev_priv->back_pitch = init->back_pitch; - - switch (init->depth_bpp) { - case 16: - dev_priv->depth_fmt = R128_DATATYPE_RGB565; - break; - case 24: - case 32: - default: - dev_priv->depth_fmt = R128_DATATYPE_ARGB8888; - break; - } - dev_priv->depth_offset = init->depth_offset; - dev_priv->depth_pitch = init->depth_pitch; - dev_priv->span_offset = init->span_offset; - - dev_priv->front_pitch_offset_c = (((dev_priv->front_pitch / 8) << 21) | - (dev_priv->front_offset >> 5)); - dev_priv->back_pitch_offset_c = (((dev_priv->back_pitch / 8) << 21) | - (dev_priv->back_offset >> 5)); - dev_priv->depth_pitch_offset_c = (((dev_priv->depth_pitch / 8) << 21) | - (dev_priv->depth_offset >> 5) | - R128_DST_TILE); - dev_priv->span_pitch_offset_c = (((dev_priv->depth_pitch / 8) << 21) | - (dev_priv->span_offset >> 5)); - - dev_priv->sarea = drm_legacy_getsarea(dev); - if (!dev_priv->sarea) { - DRM_ERROR("could not find sarea!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -EINVAL; - } - - dev_priv->mmio = drm_legacy_findmap(dev, init->mmio_offset); - if (!dev_priv->mmio) { - DRM_ERROR("could not find mmio region!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -EINVAL; - } - dev_priv->cce_ring = drm_legacy_findmap(dev, init->ring_offset); - if (!dev_priv->cce_ring) { - DRM_ERROR("could not find cce ring region!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -EINVAL; - } - dev_priv->ring_rptr = drm_legacy_findmap(dev, init->ring_rptr_offset); - if (!dev_priv->ring_rptr) { - DRM_ERROR("could not find ring read pointer!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -EINVAL; - } - dev->agp_buffer_token = init->buffers_offset; - dev->agp_buffer_map = drm_legacy_findmap(dev, init->buffers_offset); - if (!dev->agp_buffer_map) { - DRM_ERROR("could not find dma buffer region!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -EINVAL; - } - - if (!dev_priv->is_pci) { - dev_priv->agp_textures = - drm_legacy_findmap(dev, init->agp_textures_offset); - if (!dev_priv->agp_textures) { - DRM_ERROR("could not find agp texture region!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -EINVAL; - } - } - - dev_priv->sarea_priv = - (drm_r128_sarea_t *) ((u8 *) dev_priv->sarea->handle + - init->sarea_priv_offset); - -#if IS_ENABLED(CONFIG_AGP) - if (!dev_priv->is_pci) { - drm_legacy_ioremap_wc(dev_priv->cce_ring, dev); - drm_legacy_ioremap_wc(dev_priv->ring_rptr, dev); - drm_legacy_ioremap_wc(dev->agp_buffer_map, dev); - if (!dev_priv->cce_ring->handle || - !dev_priv->ring_rptr->handle || - !dev->agp_buffer_map->handle) { - DRM_ERROR("Could not ioremap agp regions!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return -ENOMEM; - } - } else -#endif - { - dev_priv->cce_ring->handle = - (void *)(unsigned long)dev_priv->cce_ring->offset; - dev_priv->ring_rptr->handle = - (void *)(unsigned long)dev_priv->ring_rptr->offset; - dev->agp_buffer_map->handle = - (void *)(unsigned long)dev->agp_buffer_map->offset; - } - -#if IS_ENABLED(CONFIG_AGP) - if (!dev_priv->is_pci) - dev_priv->cce_buffers_offset = dev->agp->base; - else -#endif - dev_priv->cce_buffers_offset = (unsigned long)dev->sg->virtual; - - dev_priv->ring.start = (u32 *) dev_priv->cce_ring->handle; - dev_priv->ring.end = ((u32 *) dev_priv->cce_ring->handle - + init->ring_size / sizeof(u32)); - dev_priv->ring.size = init->ring_size; - dev_priv->ring.size_l2qw = order_base_2(init->ring_size / 8); - - dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1; - - dev_priv->ring.high_mark = 128; - - dev_priv->sarea_priv->last_frame = 0; - R128_WRITE(R128_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame); - - dev_priv->sarea_priv->last_dispatch = 0; - R128_WRITE(R128_LAST_DISPATCH_REG, dev_priv->sarea_priv->last_dispatch); - -#if IS_ENABLED(CONFIG_AGP) - if (dev_priv->is_pci) { -#endif - dev_priv->gart_info.table_mask = DMA_BIT_MASK(32); - dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN; - dev_priv->gart_info.table_size = R128_PCIGART_TABLE_SIZE; - dev_priv->gart_info.addr = NULL; - dev_priv->gart_info.bus_addr = 0; - dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI; - rc = drm_ati_pcigart_init(dev, &dev_priv->gart_info); - if (rc) { - DRM_ERROR("failed to init PCI GART!\n"); - dev->dev_private = (void *)dev_priv; - r128_do_cleanup_cce(dev); - return rc; - } - R128_WRITE(R128_PCI_GART_PAGE, dev_priv->gart_info.bus_addr); -#if IS_ENABLED(CONFIG_AGP) - } -#endif - - r128_cce_init_ring_buffer(dev, dev_priv); - rc = r128_cce_load_microcode(dev_priv); - - dev->dev_private = (void *)dev_priv; - - r128_do_engine_reset(dev); - - if (rc) { - DRM_ERROR("Failed to load firmware!\n"); - r128_do_cleanup_cce(dev); - } - - return rc; -} - -int r128_do_cleanup_cce(struct drm_device *dev) -{ - - /* Make sure interrupts are disabled here because the uninstall ioctl - * may not have been called from userspace and after dev_private - * is freed, it's too late. - */ - if (dev->irq_enabled) - drm_legacy_irq_uninstall(dev); - - if (dev->dev_private) { - drm_r128_private_t *dev_priv = dev->dev_private; - -#if IS_ENABLED(CONFIG_AGP) - if (!dev_priv->is_pci) { - if (dev_priv->cce_ring != NULL) - drm_legacy_ioremapfree(dev_priv->cce_ring, dev); - if (dev_priv->ring_rptr != NULL) - drm_legacy_ioremapfree(dev_priv->ring_rptr, dev); - if (dev->agp_buffer_map != NULL) { - drm_legacy_ioremapfree(dev->agp_buffer_map, dev); - dev->agp_buffer_map = NULL; - } - } else -#endif - { - if (dev_priv->gart_info.bus_addr) - if (!drm_ati_pcigart_cleanup(dev, - &dev_priv->gart_info)) - DRM_ERROR - ("failed to cleanup PCI GART!\n"); - } - - kfree(dev->dev_private); - dev->dev_private = NULL; - } - - return 0; -} - -int r128_cce_init(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_init_t *init = data; - - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - switch (init->func) { - case R128_INIT_CCE: - return r128_do_init_cce(dev, init); - case R128_CLEANUP_CCE: - return r128_do_cleanup_cce(dev); - } - - return -EINVAL; -} - -int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - if (dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4) { - DRM_DEBUG("while CCE running\n"); - return 0; - } - - r128_do_cce_start(dev_priv); - - return 0; -} - -/* Stop the CCE. The engine must have been idled before calling this - * routine. - */ -int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_cce_stop_t *stop = data; - int ret; - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - /* Flush any pending CCE commands. This ensures any outstanding - * commands are exectuted by the engine before we turn it off. - */ - if (stop->flush) - r128_do_cce_flush(dev_priv); - - /* If we fail to make the engine go idle, we return an error - * code so that the DRM ioctl wrapper can try again. - */ - if (stop->idle) { - ret = r128_do_cce_idle(dev_priv); - if (ret) - return ret; - } - - /* Finally, we can turn off the CCE. If the engine isn't idle, - * we will get some dropped triangles as they won't be fully - * rendered before the CCE is shut down. - */ - r128_do_cce_stop(dev_priv); - - /* Reset the engine */ - r128_do_engine_reset(dev); - - return 0; -} - -/* Just reset the CCE ring. Called as part of an X Server engine reset. - */ -int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - r128_do_cce_reset(dev_priv); - - /* The CCE is no longer running after an engine reset */ - dev_priv->cce_running = 0; - - return 0; -} - -int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - if (dev_priv->cce_running) - r128_do_cce_flush(dev_priv); - - return r128_do_cce_idle(dev_priv); -} - -int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev->dev_private); - - return r128_do_engine_reset(dev); -} - -int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - return -EINVAL; -} - -/* ================================================================ - * Freelist management - */ -#define R128_BUFFER_USED 0xffffffff -#define R128_BUFFER_FREE 0 - -#if 0 -static int r128_freelist_init(struct drm_device *dev) -{ - struct drm_device_dma *dma = dev->dma; - drm_r128_private_t *dev_priv = dev->dev_private; - struct drm_buf *buf; - drm_r128_buf_priv_t *buf_priv; - drm_r128_freelist_t *entry; - int i; - - dev_priv->head = kzalloc(sizeof(drm_r128_freelist_t), GFP_KERNEL); - if (dev_priv->head == NULL) - return -ENOMEM; - - dev_priv->head->age = R128_BUFFER_USED; - - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[i]; - buf_priv = buf->dev_private; - - entry = kmalloc(sizeof(drm_r128_freelist_t), GFP_KERNEL); - if (!entry) - return -ENOMEM; - - entry->age = R128_BUFFER_FREE; - entry->buf = buf; - entry->prev = dev_priv->head; - entry->next = dev_priv->head->next; - if (!entry->next) - dev_priv->tail = entry; - - buf_priv->discard = 0; - buf_priv->dispatched = 0; - buf_priv->list_entry = entry; - - dev_priv->head->next = entry; - - if (dev_priv->head->next) - dev_priv->head->next->prev = entry; - } - - return 0; - -} -#endif - -static struct drm_buf *r128_freelist_get(struct drm_device * dev) -{ - struct drm_device_dma *dma = dev->dma; - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_buf_priv_t *buf_priv; - struct drm_buf *buf; - int i, t; - - /* FIXME: Optimize -- use freelist code */ - - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[i]; - buf_priv = buf->dev_private; - if (!buf->file_priv) - return buf; - } - - for (t = 0; t < dev_priv->usec_timeout; t++) { - u32 done_age = R128_READ(R128_LAST_DISPATCH_REG); - - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[i]; - buf_priv = buf->dev_private; - if (buf->pending && buf_priv->age <= done_age) { - /* The buffer has been processed, so it - * can now be used. - */ - buf->pending = 0; - return buf; - } - } - udelay(1); - } - - DRM_DEBUG("returning NULL!\n"); - return NULL; -} - -void r128_freelist_reset(struct drm_device *dev) -{ - struct drm_device_dma *dma = dev->dma; - int i; - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_r128_buf_priv_t *buf_priv = buf->dev_private; - buf_priv->age = 0; - } -} - -/* ================================================================ - * CCE command submission - */ - -int r128_wait_ring(drm_r128_private_t *dev_priv, int n) -{ - drm_r128_ring_buffer_t *ring = &dev_priv->ring; - int i; - - for (i = 0; i < dev_priv->usec_timeout; i++) { - r128_update_ring_snapshot(dev_priv); - if (ring->space >= n) - return 0; - udelay(1); - } - - /* FIXME: This is being ignored... */ - DRM_ERROR("failed!\n"); - return -EBUSY; -} - -static int r128_cce_get_buffers(struct drm_device *dev, - struct drm_file *file_priv, - struct drm_dma *d) -{ - int i; - struct drm_buf *buf; - - for (i = d->granted_count; i < d->request_count; i++) { - buf = r128_freelist_get(dev); - if (!buf) - return -EAGAIN; - - buf->file_priv = file_priv; - - if (copy_to_user(&d->request_indices[i], &buf->idx, - sizeof(buf->idx))) - return -EFAULT; - if (copy_to_user(&d->request_sizes[i], &buf->total, - sizeof(buf->total))) - return -EFAULT; - - d->granted_count++; - } - return 0; -} - -int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - int ret = 0; - struct drm_dma *d = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - /* Please don't send us buffers. - */ - if (d->send_count != 0) { - DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n", - task_pid_nr(current), d->send_count); - return -EINVAL; - } - - /* We'll send you buffers. - */ - if (d->request_count < 0 || d->request_count > dma->buf_count) { - DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", - task_pid_nr(current), d->request_count, dma->buf_count); - return -EINVAL; - } - - d->granted_count = 0; - - if (d->request_count) - ret = r128_cce_get_buffers(dev, file_priv, d); - - return ret; -} diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c deleted file mode 100644 index e35a3a1449bd..000000000000 --- a/drivers/gpu/drm/r128/r128_drv.c +++ /dev/null @@ -1,116 +0,0 @@ -/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*- - * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith - * Gareth Hughes - */ - -#include -#include - -#include -#include -#include -#include -#include - -#include "r128_drv.h" - -static struct pci_device_id pciidlist[] = { - r128_PCI_IDS -}; - -static const struct file_operations r128_driver_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = drm_ioctl, - .mmap = drm_legacy_mmap, - .poll = drm_poll, -#ifdef CONFIG_COMPAT - .compat_ioctl = r128_compat_ioctl, -#endif - .llseek = noop_llseek, -}; - -static struct drm_driver driver = { - .driver_features = - DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_LEGACY | - DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ, - .dev_priv_size = sizeof(drm_r128_buf_priv_t), - .load = r128_driver_load, - .preclose = r128_driver_preclose, - .lastclose = r128_driver_lastclose, - .get_vblank_counter = r128_get_vblank_counter, - .enable_vblank = r128_enable_vblank, - .disable_vblank = r128_disable_vblank, - .irq_preinstall = r128_driver_irq_preinstall, - .irq_postinstall = r128_driver_irq_postinstall, - .irq_uninstall = r128_driver_irq_uninstall, - .irq_handler = r128_driver_irq_handler, - .ioctls = r128_ioctls, - .dma_ioctl = r128_cce_buffers, - .fops = &r128_driver_fops, - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = DRIVER_DATE, - .major = DRIVER_MAJOR, - .minor = DRIVER_MINOR, - .patchlevel = DRIVER_PATCHLEVEL, -}; - -int r128_driver_load(struct drm_device *dev, unsigned long flags) -{ - struct pci_dev *pdev = to_pci_dev(dev->dev); - - pci_set_master(pdev); - return drm_vblank_init(dev, 1); -} - -static struct pci_driver r128_pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, -}; - -static int __init r128_init(void) -{ - driver.num_ioctls = r128_max_ioctl; - - return drm_legacy_pci_init(&driver, &r128_pci_driver); -} - -static void __exit r128_exit(void) -{ - drm_legacy_pci_exit(&driver, &r128_pci_driver); -} - -module_init(r128_init); -module_exit(r128_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h deleted file mode 100644 index 970e192b0d51..000000000000 --- a/drivers/gpu/drm/r128/r128_drv.h +++ /dev/null @@ -1,544 +0,0 @@ -/* r128_drv.h -- Private header for r128 driver -*- linux-c -*- - * Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com - */ -/* - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith - * Kevin E. Martin - * Gareth Hughes - * Michel Dänzer - */ - -#ifndef __R128_DRV_H__ -#define __R128_DRV_H__ - -#include -#include -#include - -#include -#include -#include - -#include "ati_pcigart.h" - -/* General customization: - */ -#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." - -#define DRIVER_NAME "r128" -#define DRIVER_DESC "ATI Rage 128" -#define DRIVER_DATE "20030725" - -/* Interface history: - * - * ?? - ?? - * 2.4 - Add support for ycbcr textures (no new ioctls) - * 2.5 - Add FLIP ioctl, disable FULLSCREEN. - */ -#define DRIVER_MAJOR 2 -#define DRIVER_MINOR 5 -#define DRIVER_PATCHLEVEL 0 - -#define GET_RING_HEAD(dev_priv) R128_READ(R128_PM4_BUFFER_DL_RPTR) - -typedef struct drm_r128_freelist { - unsigned int age; - struct drm_buf *buf; - struct drm_r128_freelist *next; - struct drm_r128_freelist *prev; -} drm_r128_freelist_t; - -typedef struct drm_r128_ring_buffer { - u32 *start; - u32 *end; - int size; - int size_l2qw; - - u32 tail; - u32 tail_mask; - int space; - - int high_mark; -} drm_r128_ring_buffer_t; - -typedef struct drm_r128_private { - drm_r128_ring_buffer_t ring; - drm_r128_sarea_t *sarea_priv; - - int cce_mode; - int cce_fifo_size; - int cce_running; - - drm_r128_freelist_t *head; - drm_r128_freelist_t *tail; - - int usec_timeout; - int is_pci; - unsigned long cce_buffers_offset; - - atomic_t idle_count; - - int page_flipping; - int current_page; - u32 crtc_offset; - u32 crtc_offset_cntl; - - atomic_t vbl_received; - - u32 color_fmt; - unsigned int front_offset; - unsigned int front_pitch; - unsigned int back_offset; - unsigned int back_pitch; - - u32 depth_fmt; - unsigned int depth_offset; - unsigned int depth_pitch; - unsigned int span_offset; - - u32 front_pitch_offset_c; - u32 back_pitch_offset_c; - u32 depth_pitch_offset_c; - u32 span_pitch_offset_c; - - drm_local_map_t *sarea; - drm_local_map_t *mmio; - drm_local_map_t *cce_ring; - drm_local_map_t *ring_rptr; - drm_local_map_t *agp_textures; - struct drm_ati_pcigart_info gart_info; -} drm_r128_private_t; - -typedef struct drm_r128_buf_priv { - u32 age; - int prim; - int discard; - int dispatched; - drm_r128_freelist_t *list_entry; -} drm_r128_buf_priv_t; - -extern const struct drm_ioctl_desc r128_ioctls[]; -extern int r128_max_ioctl; - - /* r128_cce.c */ -extern int r128_cce_init(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv); - -extern int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv); - -extern void r128_freelist_reset(struct drm_device *dev); - -extern int r128_wait_ring(drm_r128_private_t *dev_priv, int n); - -extern int r128_do_cce_idle(drm_r128_private_t *dev_priv); -extern int r128_do_cleanup_cce(struct drm_device *dev); - -extern int r128_enable_vblank(struct drm_device *dev, unsigned int pipe); -extern void r128_disable_vblank(struct drm_device *dev, unsigned int pipe); -extern u32 r128_get_vblank_counter(struct drm_device *dev, unsigned int pipe); -extern irqreturn_t r128_driver_irq_handler(int irq, void *arg); -extern void r128_driver_irq_preinstall(struct drm_device *dev); -extern int r128_driver_irq_postinstall(struct drm_device *dev); -extern void r128_driver_irq_uninstall(struct drm_device *dev); -extern void r128_driver_lastclose(struct drm_device *dev); -extern int r128_driver_load(struct drm_device *dev, unsigned long flags); -extern void r128_driver_preclose(struct drm_device *dev, - struct drm_file *file_priv); - -extern long r128_compat_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg); - -/* Register definitions, register access macros and drmAddMap constants - * for Rage 128 kernel driver. - */ - -#define R128_AUX_SC_CNTL 0x1660 -# define R128_AUX1_SC_EN (1 << 0) -# define R128_AUX1_SC_MODE_OR (0 << 1) -# define R128_AUX1_SC_MODE_NAND (1 << 1) -# define R128_AUX2_SC_EN (1 << 2) -# define R128_AUX2_SC_MODE_OR (0 << 3) -# define R128_AUX2_SC_MODE_NAND (1 << 3) -# define R128_AUX3_SC_EN (1 << 4) -# define R128_AUX3_SC_MODE_OR (0 << 5) -# define R128_AUX3_SC_MODE_NAND (1 << 5) -#define R128_AUX1_SC_LEFT 0x1664 -#define R128_AUX1_SC_RIGHT 0x1668 -#define R128_AUX1_SC_TOP 0x166c -#define R128_AUX1_SC_BOTTOM 0x1670 -#define R128_AUX2_SC_LEFT 0x1674 -#define R128_AUX2_SC_RIGHT 0x1678 -#define R128_AUX2_SC_TOP 0x167c -#define R128_AUX2_SC_BOTTOM 0x1680 -#define R128_AUX3_SC_LEFT 0x1684 -#define R128_AUX3_SC_RIGHT 0x1688 -#define R128_AUX3_SC_TOP 0x168c -#define R128_AUX3_SC_BOTTOM 0x1690 - -#define R128_BRUSH_DATA0 0x1480 -#define R128_BUS_CNTL 0x0030 -# define R128_BUS_MASTER_DIS (1 << 6) - -#define R128_CLOCK_CNTL_INDEX 0x0008 -#define R128_CLOCK_CNTL_DATA 0x000c -# define R128_PLL_WR_EN (1 << 7) -#define R128_CONSTANT_COLOR_C 0x1d34 -#define R128_CRTC_OFFSET 0x0224 -#define R128_CRTC_OFFSET_CNTL 0x0228 -# define R128_CRTC_OFFSET_FLIP_CNTL (1 << 16) - -#define R128_DP_GUI_MASTER_CNTL 0x146c -# define R128_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0) -# define R128_GMC_DST_PITCH_OFFSET_CNTL (1 << 1) -# define R128_GMC_BRUSH_SOLID_COLOR (13 << 4) -# define R128_GMC_BRUSH_NONE (15 << 4) -# define R128_GMC_DST_16BPP (4 << 8) -# define R128_GMC_DST_24BPP (5 << 8) -# define R128_GMC_DST_32BPP (6 << 8) -# define R128_GMC_DST_DATATYPE_SHIFT 8 -# define R128_GMC_SRC_DATATYPE_COLOR (3 << 12) -# define R128_DP_SRC_SOURCE_MEMORY (2 << 24) -# define R128_DP_SRC_SOURCE_HOST_DATA (3 << 24) -# define R128_GMC_CLR_CMP_CNTL_DIS (1 << 28) -# define R128_GMC_AUX_CLIP_DIS (1 << 29) -# define R128_GMC_WR_MSK_DIS (1 << 30) -# define R128_ROP3_S 0x00cc0000 -# define R128_ROP3_P 0x00f00000 -#define R128_DP_WRITE_MASK 0x16cc -#define R128_DST_PITCH_OFFSET_C 0x1c80 -# define R128_DST_TILE (1 << 31) - -#define R128_GEN_INT_CNTL 0x0040 -# define R128_CRTC_VBLANK_INT_EN (1 << 0) -#define R128_GEN_INT_STATUS 0x0044 -# define R128_CRTC_VBLANK_INT (1 << 0) -# define R128_CRTC_VBLANK_INT_AK (1 << 0) -#define R128_GEN_RESET_CNTL 0x00f0 -# define R128_SOFT_RESET_GUI (1 << 0) - -#define R128_GUI_SCRATCH_REG0 0x15e0 -#define R128_GUI_SCRATCH_REG1 0x15e4 -#define R128_GUI_SCRATCH_REG2 0x15e8 -#define R128_GUI_SCRATCH_REG3 0x15ec -#define R128_GUI_SCRATCH_REG4 0x15f0 -#define R128_GUI_SCRATCH_REG5 0x15f4 - -#define R128_GUI_STAT 0x1740 -# define R128_GUI_FIFOCNT_MASK 0x0fff -# define R128_GUI_ACTIVE (1 << 31) - -#define R128_MCLK_CNTL 0x000f -# define R128_FORCE_GCP (1 << 16) -# define R128_FORCE_PIPE3D_CP (1 << 17) -# define R128_FORCE_RCP (1 << 18) - -#define R128_PC_GUI_CTLSTAT 0x1748 -#define R128_PC_NGUI_CTLSTAT 0x0184 -# define R128_PC_FLUSH_GUI (3 << 0) -# define R128_PC_RI_GUI (1 << 2) -# define R128_PC_FLUSH_ALL 0x00ff -# define R128_PC_BUSY (1 << 31) - -#define R128_PCI_GART_PAGE 0x017c -#define R128_PRIM_TEX_CNTL_C 0x1cb0 - -#define R128_SCALE_3D_CNTL 0x1a00 -#define R128_SEC_TEX_CNTL_C 0x1d00 -#define R128_SEC_TEXTURE_BORDER_COLOR_C 0x1d3c -#define R128_SETUP_CNTL 0x1bc4 -#define R128_STEN_REF_MASK_C 0x1d40 - -#define R128_TEX_CNTL_C 0x1c9c -# define R128_TEX_CACHE_FLUSH (1 << 23) - -#define R128_WAIT_UNTIL 0x1720 -# define R128_EVENT_CRTC_OFFSET (1 << 0) -#define R128_WINDOW_XY_OFFSET 0x1bcc - -/* CCE registers - */ -#define R128_PM4_BUFFER_OFFSET 0x0700 -#define R128_PM4_BUFFER_CNTL 0x0704 -# define R128_PM4_MASK (15 << 28) -# define R128_PM4_NONPM4 (0 << 28) -# define R128_PM4_192PIO (1 << 28) -# define R128_PM4_192BM (2 << 28) -# define R128_PM4_128PIO_64INDBM (3 << 28) -# define R128_PM4_128BM_64INDBM (4 << 28) -# define R128_PM4_64PIO_128INDBM (5 << 28) -# define R128_PM4_64BM_128INDBM (6 << 28) -# define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28) -# define R128_PM4_64BM_64VCBM_64INDBM (8U << 28) -# define R128_PM4_64PIO_64VCPIO_64INDPIO (15U << 28) -# define R128_PM4_BUFFER_CNTL_NOUPDATE (1 << 27) - -#define R128_PM4_BUFFER_WM_CNTL 0x0708 -# define R128_WMA_SHIFT 0 -# define R128_WMB_SHIFT 8 -# define R128_WMC_SHIFT 16 -# define R128_WB_WM_SHIFT 24 - -#define R128_PM4_BUFFER_DL_RPTR_ADDR 0x070c -#define R128_PM4_BUFFER_DL_RPTR 0x0710 -#define R128_PM4_BUFFER_DL_WPTR 0x0714 -# define R128_PM4_BUFFER_DL_DONE (1 << 31) - -#define R128_PM4_VC_FPU_SETUP 0x071c - -#define R128_PM4_IW_INDOFF 0x0738 -#define R128_PM4_IW_INDSIZE 0x073c - -#define R128_PM4_STAT 0x07b8 -# define R128_PM4_FIFOCNT_MASK 0x0fff -# define R128_PM4_BUSY (1 << 16) -# define R128_PM4_GUI_ACTIVE (1 << 31) - -#define R128_PM4_MICROCODE_ADDR 0x07d4 -#define R128_PM4_MICROCODE_RADDR 0x07d8 -#define R128_PM4_MICROCODE_DATAH 0x07dc -#define R128_PM4_MICROCODE_DATAL 0x07e0 - -#define R128_PM4_BUFFER_ADDR 0x07f0 -#define R128_PM4_MICRO_CNTL 0x07fc -# define R128_PM4_MICRO_FREERUN (1 << 30) - -#define R128_PM4_FIFO_DATA_EVEN 0x1000 -#define R128_PM4_FIFO_DATA_ODD 0x1004 - -/* CCE command packets - */ -#define R128_CCE_PACKET0 0x00000000 -#define R128_CCE_PACKET1 0x40000000 -#define R128_CCE_PACKET2 0x80000000 -#define R128_CCE_PACKET3 0xC0000000 -# define R128_CNTL_HOSTDATA_BLT 0x00009400 -# define R128_CNTL_PAINT_MULTI 0x00009A00 -# define R128_CNTL_BITBLT_MULTI 0x00009B00 -# define R128_3D_RNDR_GEN_INDX_PRIM 0x00002300 - -#define R128_CCE_PACKET_MASK 0xC0000000 -#define R128_CCE_PACKET_COUNT_MASK 0x3fff0000 -#define R128_CCE_PACKET0_REG_MASK 0x000007ff -#define R128_CCE_PACKET1_REG0_MASK 0x000007ff -#define R128_CCE_PACKET1_REG1_MASK 0x003ff800 - -#define R128_CCE_VC_CNTL_PRIM_TYPE_NONE 0x00000000 -#define R128_CCE_VC_CNTL_PRIM_TYPE_POINT 0x00000001 -#define R128_CCE_VC_CNTL_PRIM_TYPE_LINE 0x00000002 -#define R128_CCE_VC_CNTL_PRIM_TYPE_POLY_LINE 0x00000003 -#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST 0x00000004 -#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN 0x00000005 -#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_STRIP 0x00000006 -#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 0x00000007 -#define R128_CCE_VC_CNTL_PRIM_WALK_IND 0x00000010 -#define R128_CCE_VC_CNTL_PRIM_WALK_LIST 0x00000020 -#define R128_CCE_VC_CNTL_PRIM_WALK_RING 0x00000030 -#define R128_CCE_VC_CNTL_NUM_SHIFT 16 - -#define R128_DATATYPE_VQ 0 -#define R128_DATATYPE_CI4 1 -#define R128_DATATYPE_CI8 2 -#define R128_DATATYPE_ARGB1555 3 -#define R128_DATATYPE_RGB565 4 -#define R128_DATATYPE_RGB888 5 -#define R128_DATATYPE_ARGB8888 6 -#define R128_DATATYPE_RGB332 7 -#define R128_DATATYPE_Y8 8 -#define R128_DATATYPE_RGB8 9 -#define R128_DATATYPE_CI16 10 -#define R128_DATATYPE_YVYU422 11 -#define R128_DATATYPE_VYUY422 12 -#define R128_DATATYPE_AYUV444 14 -#define R128_DATATYPE_ARGB4444 15 - -/* Constants */ -#define R128_AGP_OFFSET 0x02000000 - -#define R128_WATERMARK_L 16 -#define R128_WATERMARK_M 8 -#define R128_WATERMARK_N 8 -#define R128_WATERMARK_K 128 - -#define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */ - -#define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0 -#define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1 -#define R128_MAX_VB_AGE 0x7fffffff -#define R128_MAX_VB_VERTS (0xffff) - -#define R128_RING_HIGH_MARK 128 - -#define R128_PERFORMANCE_BOXES 0 - -#define R128_PCIGART_TABLE_SIZE 32768 - -#define R128_READ(reg) readl(((void __iomem *)dev_priv->mmio->handle) + (reg)) -#define R128_WRITE(reg, val) writel(val, ((void __iomem *)dev_priv->mmio->handle) + (reg)) -#define R128_READ8(reg) readb(((void __iomem *)dev_priv->mmio->handle) + (reg)) -#define R128_WRITE8(reg, val) writeb(val, ((void __iomem *)dev_priv->mmio->handle) + (reg)) - -#define R128_WRITE_PLL(addr, val) \ -do { \ - R128_WRITE8(R128_CLOCK_CNTL_INDEX, \ - ((addr) & 0x1f) | R128_PLL_WR_EN); \ - R128_WRITE(R128_CLOCK_CNTL_DATA, (val)); \ -} while (0) - -#define CCE_PACKET0(reg, n) (R128_CCE_PACKET0 | \ - ((n) << 16) | ((reg) >> 2)) -#define CCE_PACKET1(reg0, reg1) (R128_CCE_PACKET1 | \ - (((reg1) >> 2) << 11) | ((reg0) >> 2)) -#define CCE_PACKET2() (R128_CCE_PACKET2) -#define CCE_PACKET3(pkt, n) (R128_CCE_PACKET3 | \ - (pkt) | ((n) << 16)) - -static __inline__ void r128_update_ring_snapshot(drm_r128_private_t *dev_priv) -{ - drm_r128_ring_buffer_t *ring = &dev_priv->ring; - ring->space = (GET_RING_HEAD(dev_priv) - ring->tail) * sizeof(u32); - if (ring->space <= 0) - ring->space += ring->size; -} - -/* ================================================================ - * Misc helper macros - */ - -#define DEV_INIT_TEST_WITH_RETURN(_dev_priv) \ -do { \ - if (!_dev_priv) { \ - DRM_ERROR("called with no initialization\n"); \ - return -EINVAL; \ - } \ -} while (0) - -#define RING_SPACE_TEST_WITH_RETURN(dev_priv) \ -do { \ - drm_r128_ring_buffer_t *ring = &dev_priv->ring; int i; \ - if (ring->space < ring->high_mark) { \ - for (i = 0 ; i < dev_priv->usec_timeout ; i++) { \ - r128_update_ring_snapshot(dev_priv); \ - if (ring->space >= ring->high_mark) \ - goto __ring_space_done; \ - udelay(1); \ - } \ - DRM_ERROR("ring space check failed!\n"); \ - return -EBUSY; \ - } \ - __ring_space_done: \ - ; \ -} while (0) - -#define VB_AGE_TEST_WITH_RETURN(dev_priv) \ -do { \ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; \ - if (sarea_priv->last_dispatch >= R128_MAX_VB_AGE) { \ - int __ret = r128_do_cce_idle(dev_priv); \ - if (__ret) \ - return __ret; \ - sarea_priv->last_dispatch = 0; \ - r128_freelist_reset(dev); \ - } \ -} while (0) - -#define R128_WAIT_UNTIL_PAGE_FLIPPED() do { \ - OUT_RING(CCE_PACKET0(R128_WAIT_UNTIL, 0)); \ - OUT_RING(R128_EVENT_CRTC_OFFSET); \ -} while (0) - -/* ================================================================ - * Ring control - */ - -#define R128_VERBOSE 0 - -#define RING_LOCALS \ - int write, _nr; unsigned int tail_mask; volatile u32 *ring; - -#define BEGIN_RING(n) do { \ - if (R128_VERBOSE) \ - DRM_INFO("BEGIN_RING(%d)\n", (n)); \ - if (dev_priv->ring.space <= (n) * sizeof(u32)) { \ - COMMIT_RING(); \ - r128_wait_ring(dev_priv, (n) * sizeof(u32)); \ - } \ - _nr = n; dev_priv->ring.space -= (n) * sizeof(u32); \ - ring = dev_priv->ring.start; \ - write = dev_priv->ring.tail; \ - tail_mask = dev_priv->ring.tail_mask; \ -} while (0) - -/* You can set this to zero if you want. If the card locks up, you'll - * need to keep this set. It works around a bug in early revs of the - * Rage 128 chipset, where the CCE would read 32 dwords past the end of - * the ring buffer before wrapping around. - */ -#define R128_BROKEN_CCE 1 - -#define ADVANCE_RING() do { \ - if (R128_VERBOSE) \ - DRM_INFO("ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \ - write, dev_priv->ring.tail); \ - if (R128_BROKEN_CCE && write < 32) \ - memcpy(dev_priv->ring.end, \ - dev_priv->ring.start, \ - write * sizeof(u32)); \ - if (((dev_priv->ring.tail + _nr) & tail_mask) != write) \ - DRM_ERROR( \ - "ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n", \ - ((dev_priv->ring.tail + _nr) & tail_mask), \ - write, __LINE__); \ - else \ - dev_priv->ring.tail = write; \ -} while (0) - -#define COMMIT_RING() do { \ - if (R128_VERBOSE) \ - DRM_INFO("COMMIT_RING() tail=0x%06x\n", \ - dev_priv->ring.tail); \ - mb(); \ - R128_WRITE(R128_PM4_BUFFER_DL_WPTR, dev_priv->ring.tail); \ - R128_READ(R128_PM4_BUFFER_DL_WPTR); \ -} while (0) - -#define OUT_RING(x) do { \ - if (R128_VERBOSE) \ - DRM_INFO(" OUT_RING( 0x%08x ) at 0x%x\n", \ - (unsigned int)(x), write); \ - ring[write++] = cpu_to_le32(x); \ - write &= tail_mask; \ -} while (0) - -#endif /* __R128_DRV_H__ */ diff --git a/drivers/gpu/drm/r128/r128_ioc32.c b/drivers/gpu/drm/r128/r128_ioc32.c deleted file mode 100644 index cdeb1db87222..000000000000 --- a/drivers/gpu/drm/r128/r128_ioc32.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * \file r128_ioc32.c - * - * 32-bit ioctl compatibility routines for the R128 DRM. - * - * \author Dave Airlie with code from patches by Egbert Eich - * - * Copyright (C) Paul Mackerras 2005 - * Copyright (C) Egbert Eich 2003,2004 - * Copyright (C) Dave Airlie 2005 - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include - -#include - -#include "r128_drv.h" - -typedef struct drm_r128_init32 { - int func; - unsigned int sarea_priv_offset; - int is_pci; - int cce_mode; - int cce_secure; - int ring_size; - int usec_timeout; - - unsigned int fb_bpp; - unsigned int front_offset, front_pitch; - unsigned int back_offset, back_pitch; - unsigned int depth_bpp; - unsigned int depth_offset, depth_pitch; - unsigned int span_offset; - - unsigned int fb_offset; - unsigned int mmio_offset; - unsigned int ring_offset; - unsigned int ring_rptr_offset; - unsigned int buffers_offset; - unsigned int agp_textures_offset; -} drm_r128_init32_t; - -static int compat_r128_init(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_r128_init32_t init32; - drm_r128_init_t init; - - if (copy_from_user(&init32, (void __user *)arg, sizeof(init32))) - return -EFAULT; - - init.func = init32.func; - init.sarea_priv_offset = init32.sarea_priv_offset; - init.is_pci = init32.is_pci; - init.cce_mode = init32.cce_mode; - init.cce_secure = init32.cce_secure; - init.ring_size = init32.ring_size; - init.usec_timeout = init32.usec_timeout; - init.fb_bpp = init32.fb_bpp; - init.front_offset = init32.front_offset; - init.front_pitch = init32.front_pitch; - init.back_offset = init32.back_offset; - init.back_pitch = init32.back_pitch; - init.depth_bpp = init32.depth_bpp; - init.depth_offset = init32.depth_offset; - init.depth_pitch = init32.depth_pitch; - init.span_offset = init32.span_offset; - init.fb_offset = init32.fb_offset; - init.mmio_offset = init32.mmio_offset; - init.ring_offset = init32.ring_offset; - init.ring_rptr_offset = init32.ring_rptr_offset; - init.buffers_offset = init32.buffers_offset; - init.agp_textures_offset = init32.agp_textures_offset; - - return drm_ioctl_kernel(file, r128_cce_init, &init, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} - -typedef struct drm_r128_depth32 { - int func; - int n; - u32 x; - u32 y; - u32 buffer; - u32 mask; -} drm_r128_depth32_t; - -static int compat_r128_depth(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_r128_depth32_t depth32; - drm_r128_depth_t depth; - - if (copy_from_user(&depth32, (void __user *)arg, sizeof(depth32))) - return -EFAULT; - - depth.func = depth32.func; - depth.n = depth32.n; - depth.x = compat_ptr(depth32.x); - depth.y = compat_ptr(depth32.y); - depth.buffer = compat_ptr(depth32.buffer); - depth.mask = compat_ptr(depth32.mask); - - return drm_ioctl_kernel(file, r128_cce_depth, &depth, DRM_AUTH); -} - -typedef struct drm_r128_stipple32 { - u32 mask; -} drm_r128_stipple32_t; - -static int compat_r128_stipple(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_r128_stipple32_t stipple32; - drm_r128_stipple_t stipple; - - if (copy_from_user(&stipple32, (void __user *)arg, sizeof(stipple32))) - return -EFAULT; - - stipple.mask = compat_ptr(stipple32.mask); - - return drm_ioctl_kernel(file, r128_cce_stipple, &stipple, DRM_AUTH); -} - -typedef struct drm_r128_getparam32 { - int param; - u32 value; -} drm_r128_getparam32_t; - -static int compat_r128_getparam(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_r128_getparam32_t getparam32; - drm_r128_getparam_t getparam; - - if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32))) - return -EFAULT; - - getparam.param = getparam32.param; - getparam.value = compat_ptr(getparam32.value); - - return drm_ioctl_kernel(file, r128_getparam, &getparam, DRM_AUTH); -} - -drm_ioctl_compat_t *r128_compat_ioctls[] = { - [DRM_R128_INIT] = compat_r128_init, - [DRM_R128_DEPTH] = compat_r128_depth, - [DRM_R128_STIPPLE] = compat_r128_stipple, - [DRM_R128_GETPARAM] = compat_r128_getparam, -}; - -/** - * r128_compat_ioctl - Called whenever a 32-bit process running under - * a 64-bit kernel performs an ioctl on /dev/dri/card. - * - * @filp: file pointer. - * @cmd: command. - * @arg: user argument. - * return: zero on success or negative number on failure. - */ -long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - unsigned int nr = DRM_IOCTL_NR(cmd); - drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - - if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls)) - fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE]; - - if (fn != NULL) - ret = (*fn) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - - return ret; -} diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c deleted file mode 100644 index d84e9c96e20a..000000000000 --- a/drivers/gpu/drm/r128/r128_irq.c +++ /dev/null @@ -1,118 +0,0 @@ -/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*- */ -/* - * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. - * - * The Weather Channel (TM) funded Tungsten Graphics to develop the - * initial release of the Radeon 8500 driver under the XFree86 license. - * This notice must be preserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Keith Whitwell - * Eric Anholt - */ - -#include -#include -#include -#include - -#include "r128_drv.h" - -u32 r128_get_vblank_counter(struct drm_device *dev, unsigned int pipe) -{ - const drm_r128_private_t *dev_priv = dev->dev_private; - - if (pipe != 0) - return 0; - - return atomic_read(&dev_priv->vbl_received); -} - -irqreturn_t r128_driver_irq_handler(int irq, void *arg) -{ - struct drm_device *dev = (struct drm_device *) arg; - drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private; - int status; - - status = R128_READ(R128_GEN_INT_STATUS); - - /* VBLANK interrupt */ - if (status & R128_CRTC_VBLANK_INT) { - R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); - atomic_inc(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - return IRQ_HANDLED; - } - return IRQ_NONE; -} - -int r128_enable_vblank(struct drm_device *dev, unsigned int pipe) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - - if (pipe != 0) { - DRM_ERROR("%s: bad crtc %u\n", __func__, pipe); - return -EINVAL; - } - - R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN); - return 0; -} - -void r128_disable_vblank(struct drm_device *dev, unsigned int pipe) -{ - if (pipe != 0) - DRM_ERROR("%s: bad crtc %u\n", __func__, pipe); - - /* - * FIXME: implement proper interrupt disable by using the vblank - * counter register (if available) - * - * R128_WRITE(R128_GEN_INT_CNTL, - * R128_READ(R128_GEN_INT_CNTL) & ~R128_CRTC_VBLANK_INT_EN); - */ -} - -void r128_driver_irq_preinstall(struct drm_device *dev) -{ - drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private; - - /* Disable *all* interrupts */ - R128_WRITE(R128_GEN_INT_CNTL, 0); - /* Clear vblank bit if it's already high */ - R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); -} - -int r128_driver_irq_postinstall(struct drm_device *dev) -{ - return 0; -} - -void r128_driver_irq_uninstall(struct drm_device *dev) -{ - drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private; - if (!dev_priv) - return; - - /* Disable *all* interrupts */ - R128_WRITE(R128_GEN_INT_CNTL, 0); -} diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c deleted file mode 100644 index ac13fc2a0214..000000000000 --- a/drivers/gpu/drm/r128/r128_state.c +++ /dev/null @@ -1,1641 +0,0 @@ -/* r128_state.c -- State support for r128 -*- linux-c -*- - * Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com - */ -/* - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Gareth Hughes - */ - -#include -#include -#include - -#include -#include -#include -#include - -#include "r128_drv.h" - -/* ================================================================ - * CCE hardware state programming functions - */ - -static void r128_emit_clip_rects(drm_r128_private_t *dev_priv, - struct drm_clip_rect *boxes, int count) -{ - u32 aux_sc_cntl = 0x00000000; - RING_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_RING((count < 3 ? count : 3) * 5 + 2); - - if (count >= 1) { - OUT_RING(CCE_PACKET0(R128_AUX1_SC_LEFT, 3)); - OUT_RING(boxes[0].x1); - OUT_RING(boxes[0].x2 - 1); - OUT_RING(boxes[0].y1); - OUT_RING(boxes[0].y2 - 1); - - aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR); - } - if (count >= 2) { - OUT_RING(CCE_PACKET0(R128_AUX2_SC_LEFT, 3)); - OUT_RING(boxes[1].x1); - OUT_RING(boxes[1].x2 - 1); - OUT_RING(boxes[1].y1); - OUT_RING(boxes[1].y2 - 1); - - aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR); - } - if (count >= 3) { - OUT_RING(CCE_PACKET0(R128_AUX3_SC_LEFT, 3)); - OUT_RING(boxes[2].x1); - OUT_RING(boxes[2].x2 - 1); - OUT_RING(boxes[2].y1); - OUT_RING(boxes[2].y2 - 1); - - aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR); - } - - OUT_RING(CCE_PACKET0(R128_AUX_SC_CNTL, 0)); - OUT_RING(aux_sc_cntl); - - ADVANCE_RING(); -} - -static __inline__ void r128_emit_core(drm_r128_private_t *dev_priv) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_SCALE_3D_CNTL, 0)); - OUT_RING(ctx->scale_3d_cntl); - - ADVANCE_RING(); -} - -static __inline__ void r128_emit_context(drm_r128_private_t *dev_priv) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_RING(13); - - OUT_RING(CCE_PACKET0(R128_DST_PITCH_OFFSET_C, 11)); - OUT_RING(ctx->dst_pitch_offset_c); - OUT_RING(ctx->dp_gui_master_cntl_c); - OUT_RING(ctx->sc_top_left_c); - OUT_RING(ctx->sc_bottom_right_c); - OUT_RING(ctx->z_offset_c); - OUT_RING(ctx->z_pitch_c); - OUT_RING(ctx->z_sten_cntl_c); - OUT_RING(ctx->tex_cntl_c); - OUT_RING(ctx->misc_3d_state_cntl_reg); - OUT_RING(ctx->texture_clr_cmp_clr_c); - OUT_RING(ctx->texture_clr_cmp_msk_c); - OUT_RING(ctx->fog_color_c); - - ADVANCE_RING(); -} - -static __inline__ void r128_emit_setup(drm_r128_private_t *dev_priv) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_RING(3); - - OUT_RING(CCE_PACKET1(R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP)); - OUT_RING(ctx->setup_cntl); - OUT_RING(ctx->pm4_vc_fpu_setup); - - ADVANCE_RING(); -} - -static __inline__ void r128_emit_masks(drm_r128_private_t *dev_priv) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_RING(5); - - OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0)); - OUT_RING(ctx->dp_write_mask); - - OUT_RING(CCE_PACKET0(R128_STEN_REF_MASK_C, 1)); - OUT_RING(ctx->sten_ref_mask_c); - OUT_RING(ctx->plane_3d_mask_c); - - ADVANCE_RING(); -} - -static __inline__ void r128_emit_window(drm_r128_private_t *dev_priv) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_WINDOW_XY_OFFSET, 0)); - OUT_RING(ctx->window_xy_offset); - - ADVANCE_RING(); -} - -static __inline__ void r128_emit_tex0(drm_r128_private_t *dev_priv) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0]; - int i; - RING_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_RING(7 + R128_MAX_TEXTURE_LEVELS); - - OUT_RING(CCE_PACKET0(R128_PRIM_TEX_CNTL_C, - 2 + R128_MAX_TEXTURE_LEVELS)); - OUT_RING(tex->tex_cntl); - OUT_RING(tex->tex_combine_cntl); - OUT_RING(ctx->tex_size_pitch_c); - for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) - OUT_RING(tex->tex_offset[i]); - - OUT_RING(CCE_PACKET0(R128_CONSTANT_COLOR_C, 1)); - OUT_RING(ctx->constant_color_c); - OUT_RING(tex->tex_border_color); - - ADVANCE_RING(); -} - -static __inline__ void r128_emit_tex1(drm_r128_private_t *dev_priv) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1]; - int i; - RING_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_RING(5 + R128_MAX_TEXTURE_LEVELS); - - OUT_RING(CCE_PACKET0(R128_SEC_TEX_CNTL_C, 1 + R128_MAX_TEXTURE_LEVELS)); - OUT_RING(tex->tex_cntl); - OUT_RING(tex->tex_combine_cntl); - for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) - OUT_RING(tex->tex_offset[i]); - - OUT_RING(CCE_PACKET0(R128_SEC_TEXTURE_BORDER_COLOR_C, 0)); - OUT_RING(tex->tex_border_color); - - ADVANCE_RING(); -} - -static void r128_emit_state(drm_r128_private_t *dev_priv) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int dirty = sarea_priv->dirty; - - DRM_DEBUG("dirty=0x%08x\n", dirty); - - if (dirty & R128_UPLOAD_CORE) { - r128_emit_core(dev_priv); - sarea_priv->dirty &= ~R128_UPLOAD_CORE; - } - - if (dirty & R128_UPLOAD_CONTEXT) { - r128_emit_context(dev_priv); - sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT; - } - - if (dirty & R128_UPLOAD_SETUP) { - r128_emit_setup(dev_priv); - sarea_priv->dirty &= ~R128_UPLOAD_SETUP; - } - - if (dirty & R128_UPLOAD_MASKS) { - r128_emit_masks(dev_priv); - sarea_priv->dirty &= ~R128_UPLOAD_MASKS; - } - - if (dirty & R128_UPLOAD_WINDOW) { - r128_emit_window(dev_priv); - sarea_priv->dirty &= ~R128_UPLOAD_WINDOW; - } - - if (dirty & R128_UPLOAD_TEX0) { - r128_emit_tex0(dev_priv); - sarea_priv->dirty &= ~R128_UPLOAD_TEX0; - } - - if (dirty & R128_UPLOAD_TEX1) { - r128_emit_tex1(dev_priv); - sarea_priv->dirty &= ~R128_UPLOAD_TEX1; - } - - /* Turn off the texture cache flushing */ - sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH; - - sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE; -} - -#if R128_PERFORMANCE_BOXES -/* ================================================================ - * Performance monitoring functions - */ - -static void r128_clear_box(drm_r128_private_t *dev_priv, - int x, int y, int w, int h, int r, int g, int b) -{ - u32 pitch, offset; - u32 fb_bpp, color; - RING_LOCALS; - - switch (dev_priv->fb_bpp) { - case 16: - fb_bpp = R128_GMC_DST_16BPP; - color = (((r & 0xf8) << 8) | - ((g & 0xfc) << 3) | ((b & 0xf8) >> 3)); - break; - case 24: - fb_bpp = R128_GMC_DST_24BPP; - color = ((r << 16) | (g << 8) | b); - break; - case 32: - fb_bpp = R128_GMC_DST_32BPP; - color = (((0xff) << 24) | (r << 16) | (g << 8) | b); - break; - default: - return; - } - - offset = dev_priv->back_offset; - pitch = dev_priv->back_pitch >> 3; - - BEGIN_RING(6); - - OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); - OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - fb_bpp | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS); - - OUT_RING((pitch << 21) | (offset >> 5)); - OUT_RING(color); - - OUT_RING((x << 16) | y); - OUT_RING((w << 16) | h); - - ADVANCE_RING(); -} - -static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv) -{ - if (atomic_read(&dev_priv->idle_count) == 0) - r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0); - else - atomic_set(&dev_priv->idle_count, 0); -} - -#endif - -/* ================================================================ - * CCE command dispatch functions - */ - -static void r128_print_dirty(const char *msg, unsigned int flags) -{ - DRM_INFO("%s: (0x%x) %s%s%s%s%s%s%s%s%s\n", - msg, - flags, - (flags & R128_UPLOAD_CORE) ? "core, " : "", - (flags & R128_UPLOAD_CONTEXT) ? "context, " : "", - (flags & R128_UPLOAD_SETUP) ? "setup, " : "", - (flags & R128_UPLOAD_TEX0) ? "tex0, " : "", - (flags & R128_UPLOAD_TEX1) ? "tex1, " : "", - (flags & R128_UPLOAD_MASKS) ? "masks, " : "", - (flags & R128_UPLOAD_WINDOW) ? "window, " : "", - (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "", - (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : ""); -} - -static void r128_cce_dispatch_clear(struct drm_device *dev, - drm_r128_clear_t *clear) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - int nbox = sarea_priv->nbox; - struct drm_clip_rect *pbox = sarea_priv->boxes; - unsigned int flags = clear->flags; - int i; - RING_LOCALS; - DRM_DEBUG("\n"); - - if (dev_priv->page_flipping && dev_priv->current_page == 1) { - unsigned int tmp = flags; - - flags &= ~(R128_FRONT | R128_BACK); - if (tmp & R128_FRONT) - flags |= R128_BACK; - if (tmp & R128_BACK) - flags |= R128_FRONT; - } - - for (i = 0; i < nbox; i++) { - int x = pbox[i].x1; - int y = pbox[i].y1; - int w = pbox[i].x2 - x; - int h = pbox[i].y2 - y; - - DRM_DEBUG("dispatch clear %d,%d-%d,%d flags 0x%x\n", - pbox[i].x1, pbox[i].y1, pbox[i].x2, - pbox[i].y2, flags); - - if (flags & (R128_FRONT | R128_BACK)) { - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0)); - OUT_RING(clear->color_mask); - - ADVANCE_RING(); - } - - if (flags & R128_FRONT) { - BEGIN_RING(6); - - OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); - OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->color_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS); - - OUT_RING(dev_priv->front_pitch_offset_c); - OUT_RING(clear->clear_color); - - OUT_RING((x << 16) | y); - OUT_RING((w << 16) | h); - - ADVANCE_RING(); - } - - if (flags & R128_BACK) { - BEGIN_RING(6); - - OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); - OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->color_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS); - - OUT_RING(dev_priv->back_pitch_offset_c); - OUT_RING(clear->clear_color); - - OUT_RING((x << 16) | y); - OUT_RING((w << 16) | h); - - ADVANCE_RING(); - } - - if (flags & R128_DEPTH) { - BEGIN_RING(6); - - OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); - OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS); - - OUT_RING(dev_priv->depth_pitch_offset_c); - OUT_RING(clear->clear_depth); - - OUT_RING((x << 16) | y); - OUT_RING((w << 16) | h); - - ADVANCE_RING(); - } - } -} - -static void r128_cce_dispatch_swap(struct drm_device *dev) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - int nbox = sarea_priv->nbox; - struct drm_clip_rect *pbox = sarea_priv->boxes; - int i; - RING_LOCALS; - DRM_DEBUG("\n"); - -#if R128_PERFORMANCE_BOXES - /* Do some trivial performance monitoring... - */ - r128_cce_performance_boxes(dev_priv); -#endif - - for (i = 0; i < nbox; i++) { - int x = pbox[i].x1; - int y = pbox[i].y1; - int w = pbox[i].x2 - x; - int h = pbox[i].y2 - y; - - BEGIN_RING(7); - - OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5)); - OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL | - R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_NONE | - (dev_priv->color_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_S | - R128_DP_SRC_SOURCE_MEMORY | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS); - - /* Make this work even if front & back are flipped: - */ - if (dev_priv->current_page == 0) { - OUT_RING(dev_priv->back_pitch_offset_c); - OUT_RING(dev_priv->front_pitch_offset_c); - } else { - OUT_RING(dev_priv->front_pitch_offset_c); - OUT_RING(dev_priv->back_pitch_offset_c); - } - - OUT_RING((x << 16) | y); - OUT_RING((x << 16) | y); - OUT_RING((w << 16) | h); - - ADVANCE_RING(); - } - - /* Increment the frame counter. The client-side 3D driver must - * throttle the framerate by waiting for this value before - * performing the swapbuffer ioctl. - */ - dev_priv->sarea_priv->last_frame++; - - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0)); - OUT_RING(dev_priv->sarea_priv->last_frame); - - ADVANCE_RING(); -} - -static void r128_cce_dispatch_flip(struct drm_device *dev) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - RING_LOCALS; - DRM_DEBUG("page=%d pfCurrentPage=%d\n", - dev_priv->current_page, dev_priv->sarea_priv->pfCurrentPage); - -#if R128_PERFORMANCE_BOXES - /* Do some trivial performance monitoring... - */ - r128_cce_performance_boxes(dev_priv); -#endif - - BEGIN_RING(4); - - R128_WAIT_UNTIL_PAGE_FLIPPED(); - OUT_RING(CCE_PACKET0(R128_CRTC_OFFSET, 0)); - - if (dev_priv->current_page == 0) - OUT_RING(dev_priv->back_offset); - else - OUT_RING(dev_priv->front_offset); - - ADVANCE_RING(); - - /* Increment the frame counter. The client-side 3D driver must - * throttle the framerate by waiting for this value before - * performing the swapbuffer ioctl. - */ - dev_priv->sarea_priv->last_frame++; - dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page = - 1 - dev_priv->current_page; - - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0)); - OUT_RING(dev_priv->sarea_priv->last_frame); - - ADVANCE_RING(); -} - -static void r128_cce_dispatch_vertex(struct drm_device *dev, struct drm_buf *buf) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_buf_priv_t *buf_priv = buf->dev_private; - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - int format = sarea_priv->vc_format; - int offset = buf->bus_address; - int size = buf->used; - int prim = buf_priv->prim; - int i = 0; - RING_LOCALS; - DRM_DEBUG("buf=%d nbox=%d\n", buf->idx, sarea_priv->nbox); - - if (0) - r128_print_dirty("dispatch_vertex", sarea_priv->dirty); - - if (buf->used) { - buf_priv->dispatched = 1; - - if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) - r128_emit_state(dev_priv); - - do { - /* Emit the next set of up to three cliprects */ - if (i < sarea_priv->nbox) { - r128_emit_clip_rects(dev_priv, - &sarea_priv->boxes[i], - sarea_priv->nbox - i); - } - - /* Emit the vertex buffer rendering commands */ - BEGIN_RING(5); - - OUT_RING(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM, 3)); - OUT_RING(offset); - OUT_RING(size); - OUT_RING(format); - OUT_RING(prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST | - (size << R128_CCE_VC_CNTL_NUM_SHIFT)); - - ADVANCE_RING(); - - i += 3; - } while (i < sarea_priv->nbox); - } - - if (buf_priv->discard) { - buf_priv->age = dev_priv->sarea_priv->last_dispatch; - - /* Emit the vertex buffer age */ - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0)); - OUT_RING(buf_priv->age); - - ADVANCE_RING(); - - buf->pending = 1; - buf->used = 0; - /* FIXME: Check dispatched field */ - buf_priv->dispatched = 0; - } - - dev_priv->sarea_priv->last_dispatch++; - - sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; - sarea_priv->nbox = 0; -} - -static void r128_cce_dispatch_indirect(struct drm_device *dev, - struct drm_buf *buf, int start, int end) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_buf_priv_t *buf_priv = buf->dev_private; - RING_LOCALS; - DRM_DEBUG("indirect: buf=%d s=0x%x e=0x%x\n", buf->idx, start, end); - - if (start != end) { - int offset = buf->bus_address + start; - int dwords = (end - start + 3) / sizeof(u32); - - /* Indirect buffer data must be an even number of - * dwords, so if we've been given an odd number we must - * pad the data with a Type-2 CCE packet. - */ - if (dwords & 1) { - u32 *data = (u32 *) - ((char *)dev->agp_buffer_map->handle - + buf->offset + start); - data[dwords++] = cpu_to_le32(R128_CCE_PACKET2); - } - - buf_priv->dispatched = 1; - - /* Fire off the indirect buffer */ - BEGIN_RING(3); - - OUT_RING(CCE_PACKET0(R128_PM4_IW_INDOFF, 1)); - OUT_RING(offset); - OUT_RING(dwords); - - ADVANCE_RING(); - } - - if (buf_priv->discard) { - buf_priv->age = dev_priv->sarea_priv->last_dispatch; - - /* Emit the indirect buffer age */ - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0)); - OUT_RING(buf_priv->age); - - ADVANCE_RING(); - - buf->pending = 1; - buf->used = 0; - /* FIXME: Check dispatched field */ - buf_priv->dispatched = 0; - } - - dev_priv->sarea_priv->last_dispatch++; -} - -static void r128_cce_dispatch_indices(struct drm_device *dev, - struct drm_buf *buf, - int start, int end, int count) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_buf_priv_t *buf_priv = buf->dev_private; - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - int format = sarea_priv->vc_format; - int offset = dev->agp_buffer_map->offset - dev_priv->cce_buffers_offset; - int prim = buf_priv->prim; - u32 *data; - int dwords; - int i = 0; - RING_LOCALS; - DRM_DEBUG("indices: s=%d e=%d c=%d\n", start, end, count); - - if (0) - r128_print_dirty("dispatch_indices", sarea_priv->dirty); - - if (start != end) { - buf_priv->dispatched = 1; - - if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) - r128_emit_state(dev_priv); - - dwords = (end - start + 3) / sizeof(u32); - - data = (u32 *) ((char *)dev->agp_buffer_map->handle - + buf->offset + start); - - data[0] = cpu_to_le32(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM, - dwords - 2)); - - data[1] = cpu_to_le32(offset); - data[2] = cpu_to_le32(R128_MAX_VB_VERTS); - data[3] = cpu_to_le32(format); - data[4] = cpu_to_le32((prim | R128_CCE_VC_CNTL_PRIM_WALK_IND | - (count << 16))); - - if (count & 0x1) { -#ifdef __LITTLE_ENDIAN - data[dwords - 1] &= 0x0000ffff; -#else - data[dwords - 1] &= 0xffff0000; -#endif - } - - do { - /* Emit the next set of up to three cliprects */ - if (i < sarea_priv->nbox) { - r128_emit_clip_rects(dev_priv, - &sarea_priv->boxes[i], - sarea_priv->nbox - i); - } - - r128_cce_dispatch_indirect(dev, buf, start, end); - - i += 3; - } while (i < sarea_priv->nbox); - } - - if (buf_priv->discard) { - buf_priv->age = dev_priv->sarea_priv->last_dispatch; - - /* Emit the vertex buffer age */ - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0)); - OUT_RING(buf_priv->age); - - ADVANCE_RING(); - - buf->pending = 1; - /* FIXME: Check dispatched field */ - buf_priv->dispatched = 0; - } - - dev_priv->sarea_priv->last_dispatch++; - - sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; - sarea_priv->nbox = 0; -} - -static int r128_cce_dispatch_blit(struct drm_device *dev, - struct drm_file *file_priv, - drm_r128_blit_t *blit) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_r128_buf_priv_t *buf_priv; - u32 *data; - int dword_shift, dwords; - RING_LOCALS; - DRM_DEBUG("\n"); - - /* The compiler won't optimize away a division by a variable, - * even if the only legal values are powers of two. Thus, we'll - * use a shift instead. - */ - switch (blit->format) { - case R128_DATATYPE_ARGB8888: - dword_shift = 0; - break; - case R128_DATATYPE_ARGB1555: - case R128_DATATYPE_RGB565: - case R128_DATATYPE_ARGB4444: - case R128_DATATYPE_YVYU422: - case R128_DATATYPE_VYUY422: - dword_shift = 1; - break; - case R128_DATATYPE_CI8: - case R128_DATATYPE_RGB8: - dword_shift = 2; - break; - default: - DRM_ERROR("invalid blit format %d\n", blit->format); - return -EINVAL; - } - - /* Flush the pixel cache, and mark the contents as Read Invalid. - * This ensures no pixel data gets mixed up with the texture - * data from the host data blit, otherwise part of the texture - * image may be corrupted. - */ - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0)); - OUT_RING(R128_PC_RI_GUI | R128_PC_FLUSH_GUI); - - ADVANCE_RING(); - - /* Dispatch the indirect buffer. - */ - buf = dma->buflist[blit->idx]; - buf_priv = buf->dev_private; - - if (buf->file_priv != file_priv) { - DRM_ERROR("process %d using buffer owned by %p\n", - task_pid_nr(current), buf->file_priv); - return -EINVAL; - } - if (buf->pending) { - DRM_ERROR("sending pending buffer %d\n", blit->idx); - return -EINVAL; - } - - buf_priv->discard = 1; - - dwords = (blit->width * blit->height) >> dword_shift; - - data = (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset); - - data[0] = cpu_to_le32(CCE_PACKET3(R128_CNTL_HOSTDATA_BLT, dwords + 6)); - data[1] = cpu_to_le32((R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_NONE | - (blit->format << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_S | - R128_DP_SRC_SOURCE_HOST_DATA | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS)); - - data[2] = cpu_to_le32((blit->pitch << 21) | (blit->offset >> 5)); - data[3] = cpu_to_le32(0xffffffff); - data[4] = cpu_to_le32(0xffffffff); - data[5] = cpu_to_le32((blit->y << 16) | blit->x); - data[6] = cpu_to_le32((blit->height << 16) | blit->width); - data[7] = cpu_to_le32(dwords); - - buf->used = (dwords + 8) * sizeof(u32); - - r128_cce_dispatch_indirect(dev, buf, 0, buf->used); - - /* Flush the pixel cache after the blit completes. This ensures - * the texture data is written out to memory before rendering - * continues. - */ - BEGIN_RING(2); - - OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0)); - OUT_RING(R128_PC_FLUSH_GUI); - - ADVANCE_RING(); - - return 0; -} - -/* ================================================================ - * Tiled depth buffer management - * - * FIXME: These should all set the destination write mask for when we - * have hardware stencil support. - */ - -static int r128_cce_dispatch_write_span(struct drm_device *dev, - drm_r128_depth_t *depth) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int count, x, y; - u32 *buffer; - u8 *mask; - int i, buffer_size, mask_size; - RING_LOCALS; - DRM_DEBUG("\n"); - - count = depth->n; - if (count > 4096 || count <= 0) - return -EMSGSIZE; - - if (copy_from_user(&x, depth->x, sizeof(x))) - return -EFAULT; - if (copy_from_user(&y, depth->y, sizeof(y))) - return -EFAULT; - - buffer_size = depth->n * sizeof(u32); - buffer = memdup_user(depth->buffer, buffer_size); - if (IS_ERR(buffer)) - return PTR_ERR(buffer); - - mask_size = depth->n; - if (depth->mask) { - mask = memdup_user(depth->mask, mask_size); - if (IS_ERR(mask)) { - kfree(buffer); - return PTR_ERR(mask); - } - - for (i = 0; i < count; i++, x++) { - if (mask[i]) { - BEGIN_RING(6); - - OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); - OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS); - - OUT_RING(dev_priv->depth_pitch_offset_c); - OUT_RING(buffer[i]); - - OUT_RING((x << 16) | y); - OUT_RING((1 << 16) | 1); - - ADVANCE_RING(); - } - } - - kfree(mask); - } else { - for (i = 0; i < count; i++, x++) { - BEGIN_RING(6); - - OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); - OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS); - - OUT_RING(dev_priv->depth_pitch_offset_c); - OUT_RING(buffer[i]); - - OUT_RING((x << 16) | y); - OUT_RING((1 << 16) | 1); - - ADVANCE_RING(); - } - } - - kfree(buffer); - - return 0; -} - -static int r128_cce_dispatch_write_pixels(struct drm_device *dev, - drm_r128_depth_t *depth) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int count, *x, *y; - u32 *buffer; - u8 *mask; - int i, xbuf_size, ybuf_size, buffer_size, mask_size; - RING_LOCALS; - DRM_DEBUG("\n"); - - count = depth->n; - if (count > 4096 || count <= 0) - return -EMSGSIZE; - - xbuf_size = count * sizeof(*x); - ybuf_size = count * sizeof(*y); - x = memdup_user(depth->x, xbuf_size); - if (IS_ERR(x)) - return PTR_ERR(x); - y = memdup_user(depth->y, ybuf_size); - if (IS_ERR(y)) { - kfree(x); - return PTR_ERR(y); - } - buffer_size = depth->n * sizeof(u32); - buffer = memdup_user(depth->buffer, buffer_size); - if (IS_ERR(buffer)) { - kfree(x); - kfree(y); - return PTR_ERR(buffer); - } - - if (depth->mask) { - mask_size = depth->n; - mask = memdup_user(depth->mask, mask_size); - if (IS_ERR(mask)) { - kfree(x); - kfree(y); - kfree(buffer); - return PTR_ERR(mask); - } - - for (i = 0; i < count; i++) { - if (mask[i]) { - BEGIN_RING(6); - - OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); - OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS); - - OUT_RING(dev_priv->depth_pitch_offset_c); - OUT_RING(buffer[i]); - - OUT_RING((x[i] << 16) | y[i]); - OUT_RING((1 << 16) | 1); - - ADVANCE_RING(); - } - } - - kfree(mask); - } else { - for (i = 0; i < count; i++) { - BEGIN_RING(6); - - OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4)); - OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS); - - OUT_RING(dev_priv->depth_pitch_offset_c); - OUT_RING(buffer[i]); - - OUT_RING((x[i] << 16) | y[i]); - OUT_RING((1 << 16) | 1); - - ADVANCE_RING(); - } - } - - kfree(x); - kfree(y); - kfree(buffer); - - return 0; -} - -static int r128_cce_dispatch_read_span(struct drm_device *dev, - drm_r128_depth_t *depth) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int count, x, y; - RING_LOCALS; - DRM_DEBUG("\n"); - - count = depth->n; - if (count > 4096 || count <= 0) - return -EMSGSIZE; - - if (copy_from_user(&x, depth->x, sizeof(x))) - return -EFAULT; - if (copy_from_user(&y, depth->y, sizeof(y))) - return -EFAULT; - - BEGIN_RING(7); - - OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5)); - OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL | - R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_NONE | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_S | - R128_DP_SRC_SOURCE_MEMORY | - R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS); - - OUT_RING(dev_priv->depth_pitch_offset_c); - OUT_RING(dev_priv->span_pitch_offset_c); - - OUT_RING((x << 16) | y); - OUT_RING((0 << 16) | 0); - OUT_RING((count << 16) | 1); - - ADVANCE_RING(); - - return 0; -} - -static int r128_cce_dispatch_read_pixels(struct drm_device *dev, - drm_r128_depth_t *depth) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int count, *x, *y; - int i, xbuf_size, ybuf_size; - RING_LOCALS; - DRM_DEBUG("\n"); - - count = depth->n; - if (count > 4096 || count <= 0) - return -EMSGSIZE; - - if (count > dev_priv->depth_pitch) - count = dev_priv->depth_pitch; - - xbuf_size = count * sizeof(*x); - ybuf_size = count * sizeof(*y); - x = kmalloc(xbuf_size, GFP_KERNEL); - if (x == NULL) - return -ENOMEM; - y = kmalloc(ybuf_size, GFP_KERNEL); - if (y == NULL) { - kfree(x); - return -ENOMEM; - } - if (copy_from_user(x, depth->x, xbuf_size)) { - kfree(x); - kfree(y); - return -EFAULT; - } - if (copy_from_user(y, depth->y, ybuf_size)) { - kfree(x); - kfree(y); - return -EFAULT; - } - - for (i = 0; i < count; i++) { - BEGIN_RING(7); - - OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5)); - OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL | - R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_NONE | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_S | - R128_DP_SRC_SOURCE_MEMORY | - R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS); - - OUT_RING(dev_priv->depth_pitch_offset_c); - OUT_RING(dev_priv->span_pitch_offset_c); - - OUT_RING((x[i] << 16) | y[i]); - OUT_RING((i << 16) | 0); - OUT_RING((1 << 16) | 1); - - ADVANCE_RING(); - } - - kfree(x); - kfree(y); - - return 0; -} - -/* ================================================================ - * Polygon stipple - */ - -static void r128_cce_dispatch_stipple(struct drm_device *dev, u32 *stipple) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int i; - RING_LOCALS; - DRM_DEBUG("\n"); - - BEGIN_RING(33); - - OUT_RING(CCE_PACKET0(R128_BRUSH_DATA0, 31)); - for (i = 0; i < 32; i++) - OUT_RING(stipple[i]); - - ADVANCE_RING(); -} - -/* ================================================================ - * IOCTL functions - */ - -static int r128_cce_clear(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_sarea_t *sarea_priv; - drm_r128_clear_t *clear = data; - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - RING_SPACE_TEST_WITH_RETURN(dev_priv); - - sarea_priv = dev_priv->sarea_priv; - - if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; - - r128_cce_dispatch_clear(dev, clear); - COMMIT_RING(); - - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS; - - return 0; -} - -static int r128_do_init_pageflip(struct drm_device *dev) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - DRM_DEBUG("\n"); - - dev_priv->crtc_offset = R128_READ(R128_CRTC_OFFSET); - dev_priv->crtc_offset_cntl = R128_READ(R128_CRTC_OFFSET_CNTL); - - R128_WRITE(R128_CRTC_OFFSET, dev_priv->front_offset); - R128_WRITE(R128_CRTC_OFFSET_CNTL, - dev_priv->crtc_offset_cntl | R128_CRTC_OFFSET_FLIP_CNTL); - - dev_priv->page_flipping = 1; - dev_priv->current_page = 0; - dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page; - - return 0; -} - -static int r128_do_cleanup_pageflip(struct drm_device *dev) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - DRM_DEBUG("\n"); - - R128_WRITE(R128_CRTC_OFFSET, dev_priv->crtc_offset); - R128_WRITE(R128_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl); - - if (dev_priv->current_page != 0) { - r128_cce_dispatch_flip(dev); - COMMIT_RING(); - } - - dev_priv->page_flipping = 0; - return 0; -} - -/* Swapping and flipping are different operations, need different ioctls. - * They can & should be intermixed to support multiple 3d windows. - */ - -static int r128_cce_flip(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - RING_SPACE_TEST_WITH_RETURN(dev_priv); - - if (!dev_priv->page_flipping) - r128_do_init_pageflip(dev); - - r128_cce_dispatch_flip(dev); - - COMMIT_RING(); - return 0; -} - -static int r128_cce_swap(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - RING_SPACE_TEST_WITH_RETURN(dev_priv); - - if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; - - r128_cce_dispatch_swap(dev); - dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT | - R128_UPLOAD_MASKS); - - COMMIT_RING(); - return 0; -} - -static int r128_cce_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_r128_buf_priv_t *buf_priv; - drm_r128_vertex_t *vertex = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n", - task_pid_nr(current), vertex->idx, vertex->count, vertex->discard); - - if (vertex->idx < 0 || vertex->idx >= dma->buf_count) { - DRM_ERROR("buffer index %d (of %d max)\n", - vertex->idx, dma->buf_count - 1); - return -EINVAL; - } - if (vertex->prim < 0 || - vertex->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) { - DRM_ERROR("buffer prim %d\n", vertex->prim); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN(dev_priv); - VB_AGE_TEST_WITH_RETURN(dev_priv); - - buf = dma->buflist[vertex->idx]; - buf_priv = buf->dev_private; - - if (buf->file_priv != file_priv) { - DRM_ERROR("process %d using buffer owned by %p\n", - task_pid_nr(current), buf->file_priv); - return -EINVAL; - } - if (buf->pending) { - DRM_ERROR("sending pending buffer %d\n", vertex->idx); - return -EINVAL; - } - - buf->used = vertex->count; - buf_priv->prim = vertex->prim; - buf_priv->discard = vertex->discard; - - r128_cce_dispatch_vertex(dev, buf); - - COMMIT_RING(); - return 0; -} - -static int r128_cce_indices(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_r128_buf_priv_t *buf_priv; - drm_r128_indices_t *elts = data; - int count; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - DRM_DEBUG("pid=%d buf=%d s=%d e=%d d=%d\n", task_pid_nr(current), - elts->idx, elts->start, elts->end, elts->discard); - - if (elts->idx < 0 || elts->idx >= dma->buf_count) { - DRM_ERROR("buffer index %d (of %d max)\n", - elts->idx, dma->buf_count - 1); - return -EINVAL; - } - if (elts->prim < 0 || - elts->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) { - DRM_ERROR("buffer prim %d\n", elts->prim); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN(dev_priv); - VB_AGE_TEST_WITH_RETURN(dev_priv); - - buf = dma->buflist[elts->idx]; - buf_priv = buf->dev_private; - - if (buf->file_priv != file_priv) { - DRM_ERROR("process %d using buffer owned by %p\n", - task_pid_nr(current), buf->file_priv); - return -EINVAL; - } - if (buf->pending) { - DRM_ERROR("sending pending buffer %d\n", elts->idx); - return -EINVAL; - } - - count = (elts->end - elts->start) / sizeof(u16); - elts->start -= R128_INDEX_PRIM_OFFSET; - - if (elts->start & 0x7) { - DRM_ERROR("misaligned buffer 0x%x\n", elts->start); - return -EINVAL; - } - if (elts->start < buf->used) { - DRM_ERROR("no header 0x%x - 0x%x\n", elts->start, buf->used); - return -EINVAL; - } - - buf->used = elts->end; - buf_priv->prim = elts->prim; - buf_priv->discard = elts->discard; - - r128_cce_dispatch_indices(dev, buf, elts->start, elts->end, count); - - COMMIT_RING(); - return 0; -} - -static int r128_cce_blit(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_blit_t *blit = data; - int ret; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - DRM_DEBUG("pid=%d index=%d\n", task_pid_nr(current), blit->idx); - - if (blit->idx < 0 || blit->idx >= dma->buf_count) { - DRM_ERROR("buffer index %d (of %d max)\n", - blit->idx, dma->buf_count - 1); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN(dev_priv); - VB_AGE_TEST_WITH_RETURN(dev_priv); - - ret = r128_cce_dispatch_blit(dev, file_priv, blit); - - COMMIT_RING(); - return ret; -} - -int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_depth_t *depth = data; - int ret; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - RING_SPACE_TEST_WITH_RETURN(dev_priv); - - ret = -EINVAL; - switch (depth->func) { - case R128_WRITE_SPAN: - ret = r128_cce_dispatch_write_span(dev, depth); - break; - case R128_WRITE_PIXELS: - ret = r128_cce_dispatch_write_pixels(dev, depth); - break; - case R128_READ_SPAN: - ret = r128_cce_dispatch_read_span(dev, depth); - break; - case R128_READ_PIXELS: - ret = r128_cce_dispatch_read_pixels(dev, depth); - break; - } - - COMMIT_RING(); - return ret; -} - -int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_stipple_t *stipple = data; - u32 mask[32]; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - if (copy_from_user(&mask, stipple->mask, 32 * sizeof(u32))) - return -EFAULT; - - RING_SPACE_TEST_WITH_RETURN(dev_priv); - - r128_cce_dispatch_stipple(dev, mask); - - COMMIT_RING(); - return 0; -} - -static int r128_cce_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_r128_buf_priv_t *buf_priv; - drm_r128_indirect_t *indirect = data; -#if 0 - RING_LOCALS; -#endif - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - DRM_DEBUG("idx=%d s=%d e=%d d=%d\n", - indirect->idx, indirect->start, indirect->end, - indirect->discard); - - if (indirect->idx < 0 || indirect->idx >= dma->buf_count) { - DRM_ERROR("buffer index %d (of %d max)\n", - indirect->idx, dma->buf_count - 1); - return -EINVAL; - } - - buf = dma->buflist[indirect->idx]; - buf_priv = buf->dev_private; - - if (buf->file_priv != file_priv) { - DRM_ERROR("process %d using buffer owned by %p\n", - task_pid_nr(current), buf->file_priv); - return -EINVAL; - } - if (buf->pending) { - DRM_ERROR("sending pending buffer %d\n", indirect->idx); - return -EINVAL; - } - - if (indirect->start < buf->used) { - DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n", - indirect->start, buf->used); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN(dev_priv); - VB_AGE_TEST_WITH_RETURN(dev_priv); - - buf->used = indirect->end; - buf_priv->discard = indirect->discard; - -#if 0 - /* Wait for the 3D stream to idle before the indirect buffer - * containing 2D acceleration commands is processed. - */ - BEGIN_RING(2); - RADEON_WAIT_UNTIL_3D_IDLE(); - ADVANCE_RING(); -#endif - - /* Dispatch the indirect buffer full of commands from the - * X server. This is insecure and is thus only available to - * privileged clients. - */ - r128_cce_dispatch_indirect(dev, buf, indirect->start, indirect->end); - - COMMIT_RING(); - return 0; -} - -int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_getparam_t *param = data; - struct pci_dev *pdev = to_pci_dev(dev->dev); - int value; - - DEV_INIT_TEST_WITH_RETURN(dev_priv); - - DRM_DEBUG("pid=%d\n", task_pid_nr(current)); - - switch (param->param) { - case R128_PARAM_IRQ_NR: - value = pdev->irq; - break; - default: - return -EINVAL; - } - - if (copy_to_user(param->value, &value, sizeof(int))) { - DRM_ERROR("copy_to_user\n"); - return -EFAULT; - } - - return 0; -} - -void r128_driver_preclose(struct drm_device *dev, struct drm_file *file_priv) -{ - if (dev->dev_private) { - drm_r128_private_t *dev_priv = dev->dev_private; - if (dev_priv->page_flipping) - r128_do_cleanup_pageflip(dev); - } -} -void r128_driver_lastclose(struct drm_device *dev) -{ - r128_do_cleanup_cce(dev); -} - -const struct drm_ioctl_desc r128_ioctls[] = { - DRM_IOCTL_DEF_DRV(R128_INIT, r128_cce_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF_DRV(R128_CCE_START, r128_cce_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF_DRV(R128_CCE_STOP, r128_cce_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF_DRV(R128_CCE_RESET, r128_cce_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF_DRV(R128_CCE_IDLE, r128_cce_idle, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_RESET, r128_engine_reset, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_FULLSCREEN, r128_fullscreen, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_SWAP, r128_cce_swap, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_FLIP, r128_cce_flip, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_CLEAR, r128_cce_clear, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_VERTEX, r128_cce_vertex, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_INDICES, r128_cce_indices, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_BLIT, r128_cce_blit, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_DEPTH, r128_cce_depth, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_STIPPLE, r128_cce_stipple, DRM_AUTH), - DRM_IOCTL_DEF_DRV(R128_INDIRECT, r128_cce_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF_DRV(R128_GETPARAM, r128_getparam, DRM_AUTH), -}; - -int r128_max_ioctl = ARRAY_SIZE(r128_ioctls); diff --git a/drivers/gpu/drm/savage/Makefile b/drivers/gpu/drm/savage/Makefile deleted file mode 100644 index 3e520763d259..000000000000 --- a/drivers/gpu/drm/savage/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for the drm device driver. This driver provides support for the -# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. - -savage-y := savage_drv.o savage_bci.o savage_state.o - -obj-$(CONFIG_DRM_SAVAGE)+= savage.o - diff --git a/drivers/gpu/drm/savage/savage_bci.c b/drivers/gpu/drm/savage/savage_bci.c deleted file mode 100644 index e33385dfe3ed..000000000000 --- a/drivers/gpu/drm/savage/savage_bci.c +++ /dev/null @@ -1,1082 +0,0 @@ -/* savage_bci.c -- BCI support for Savage - * - * Copyright 2004 Felix Kuehling - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include -#include -#include -#include - -#include -#include -#include -#include - -#include "savage_drv.h" - -/* Need a long timeout for shadow status updates can take a while - * and so can waiting for events when the queue is full. */ -#define SAVAGE_DEFAULT_USEC_TIMEOUT 1000000 /* 1s */ -#define SAVAGE_EVENT_USEC_TIMEOUT 5000000 /* 5s */ -#define SAVAGE_FREELIST_DEBUG 0 - -static int savage_do_cleanup_bci(struct drm_device *dev); - -static int -savage_bci_wait_fifo_shadow(drm_savage_private_t * dev_priv, unsigned int n) -{ - uint32_t mask = dev_priv->status_used_mask; - uint32_t threshold = dev_priv->bci_threshold_hi; - uint32_t status; - int i; - -#if SAVAGE_BCI_DEBUG - if (n > dev_priv->cob_size + SAVAGE_BCI_FIFO_SIZE - threshold) - DRM_ERROR("Trying to emit %d words " - "(more than guaranteed space in COB)\n", n); -#endif - - for (i = 0; i < SAVAGE_DEFAULT_USEC_TIMEOUT; i++) { - mb(); - status = dev_priv->status_ptr[0]; - if ((status & mask) < threshold) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x, threshold=0x%08x\n", status, threshold); -#endif - return -EBUSY; -} - -static int -savage_bci_wait_fifo_s3d(drm_savage_private_t * dev_priv, unsigned int n) -{ - uint32_t maxUsed = dev_priv->cob_size + SAVAGE_BCI_FIFO_SIZE - n; - uint32_t status; - int i; - - for (i = 0; i < SAVAGE_DEFAULT_USEC_TIMEOUT; i++) { - status = SAVAGE_READ(SAVAGE_STATUS_WORD0); - if ((status & SAVAGE_FIFO_USED_MASK_S3D) <= maxUsed) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x\n", status); -#endif - return -EBUSY; -} - -static int -savage_bci_wait_fifo_s4(drm_savage_private_t * dev_priv, unsigned int n) -{ - uint32_t maxUsed = dev_priv->cob_size + SAVAGE_BCI_FIFO_SIZE - n; - uint32_t status; - int i; - - for (i = 0; i < SAVAGE_DEFAULT_USEC_TIMEOUT; i++) { - status = SAVAGE_READ(SAVAGE_ALT_STATUS_WORD0); - if ((status & SAVAGE_FIFO_USED_MASK_S4) <= maxUsed) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x\n", status); -#endif - return -EBUSY; -} - -/* - * Waiting for events. - * - * The BIOSresets the event tag to 0 on mode changes. Therefore we - * never emit 0 to the event tag. If we find a 0 event tag we know the - * BIOS stomped on it and return success assuming that the BIOS waited - * for engine idle. - * - * Note: if the Xserver uses the event tag it has to follow the same - * rule. Otherwise there may be glitches every 2^16 events. - */ -static int -savage_bci_wait_event_shadow(drm_savage_private_t * dev_priv, uint16_t e) -{ - uint32_t status; - int i; - - for (i = 0; i < SAVAGE_EVENT_USEC_TIMEOUT; i++) { - mb(); - status = dev_priv->status_ptr[1]; - if ((((status & 0xffff) - e) & 0xffff) <= 0x7fff || - (status & 0xffff) == 0) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x, e=0x%04x\n", status, e); -#endif - - return -EBUSY; -} - -static int -savage_bci_wait_event_reg(drm_savage_private_t * dev_priv, uint16_t e) -{ - uint32_t status; - int i; - - for (i = 0; i < SAVAGE_EVENT_USEC_TIMEOUT; i++) { - status = SAVAGE_READ(SAVAGE_STATUS_WORD1); - if ((((status & 0xffff) - e) & 0xffff) <= 0x7fff || - (status & 0xffff) == 0) - return 0; - udelay(1); - } - -#if SAVAGE_BCI_DEBUG - DRM_ERROR("failed!\n"); - DRM_INFO(" status=0x%08x, e=0x%04x\n", status, e); -#endif - - return -EBUSY; -} - -uint16_t savage_bci_emit_event(drm_savage_private_t * dev_priv, - unsigned int flags) -{ - uint16_t count; - BCI_LOCALS; - - if (dev_priv->status_ptr) { - /* coordinate with Xserver */ - count = dev_priv->status_ptr[1023]; - if (count < dev_priv->event_counter) - dev_priv->event_wrap++; - } else { - count = dev_priv->event_counter; - } - count = (count + 1) & 0xffff; - if (count == 0) { - count++; /* See the comment above savage_wait_event_*. */ - dev_priv->event_wrap++; - } - dev_priv->event_counter = count; - if (dev_priv->status_ptr) - dev_priv->status_ptr[1023] = (uint32_t) count; - - if ((flags & (SAVAGE_WAIT_2D | SAVAGE_WAIT_3D))) { - unsigned int wait_cmd = BCI_CMD_WAIT; - if ((flags & SAVAGE_WAIT_2D)) - wait_cmd |= BCI_CMD_WAIT_2D; - if ((flags & SAVAGE_WAIT_3D)) - wait_cmd |= BCI_CMD_WAIT_3D; - BEGIN_BCI(2); - BCI_WRITE(wait_cmd); - } else { - BEGIN_BCI(1); - } - BCI_WRITE(BCI_CMD_UPDATE_EVENT_TAG | (uint32_t) count); - - return count; -} - -/* - * Freelist management - */ -static int savage_freelist_init(struct drm_device * dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *buf; - drm_savage_buf_priv_t *entry; - int i; - DRM_DEBUG("count=%d\n", dma->buf_count); - - dev_priv->head.next = &dev_priv->tail; - dev_priv->head.prev = NULL; - dev_priv->head.buf = NULL; - - dev_priv->tail.next = NULL; - dev_priv->tail.prev = &dev_priv->head; - dev_priv->tail.buf = NULL; - - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[i]; - entry = buf->dev_private; - - SET_AGE(&entry->age, 0, 0); - entry->buf = buf; - - entry->next = dev_priv->head.next; - entry->prev = &dev_priv->head; - dev_priv->head.next->prev = entry; - dev_priv->head.next = entry; - } - - return 0; -} - -static struct drm_buf *savage_freelist_get(struct drm_device * dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - drm_savage_buf_priv_t *tail = dev_priv->tail.prev; - uint16_t event; - unsigned int wrap; - DRM_DEBUG("\n"); - - UPDATE_EVENT_COUNTER(); - if (dev_priv->status_ptr) - event = dev_priv->status_ptr[1] & 0xffff; - else - event = SAVAGE_READ(SAVAGE_STATUS_WORD1) & 0xffff; - wrap = dev_priv->event_wrap; - if (event > dev_priv->event_counter) - wrap--; /* hardware hasn't passed the last wrap yet */ - - DRM_DEBUG(" tail=0x%04x %d\n", tail->age.event, tail->age.wrap); - DRM_DEBUG(" head=0x%04x %d\n", event, wrap); - - if (tail->buf && (TEST_AGE(&tail->age, event, wrap) || event == 0)) { - drm_savage_buf_priv_t *next = tail->next; - drm_savage_buf_priv_t *prev = tail->prev; - prev->next = next; - next->prev = prev; - tail->next = tail->prev = NULL; - return tail->buf; - } - - DRM_DEBUG("returning NULL, tail->buf=%p!\n", tail->buf); - return NULL; -} - -void savage_freelist_put(struct drm_device * dev, struct drm_buf * buf) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - drm_savage_buf_priv_t *entry = buf->dev_private, *prev, *next; - - DRM_DEBUG("age=0x%04x wrap=%d\n", entry->age.event, entry->age.wrap); - - if (entry->next != NULL || entry->prev != NULL) { - DRM_ERROR("entry already on freelist.\n"); - return; - } - - prev = &dev_priv->head; - next = prev->next; - prev->next = entry; - next->prev = entry; - entry->prev = prev; - entry->next = next; -} - -/* - * Command DMA - */ -static int savage_dma_init(drm_savage_private_t * dev_priv) -{ - unsigned int i; - - dev_priv->nr_dma_pages = dev_priv->cmd_dma->size / - (SAVAGE_DMA_PAGE_SIZE * 4); - dev_priv->dma_pages = kmalloc_array(dev_priv->nr_dma_pages, - sizeof(drm_savage_dma_page_t), - GFP_KERNEL); - if (dev_priv->dma_pages == NULL) - return -ENOMEM; - - for (i = 0; i < dev_priv->nr_dma_pages; ++i) { - SET_AGE(&dev_priv->dma_pages[i].age, 0, 0); - dev_priv->dma_pages[i].used = 0; - dev_priv->dma_pages[i].flushed = 0; - } - SET_AGE(&dev_priv->last_dma_age, 0, 0); - - dev_priv->first_dma_page = 0; - dev_priv->current_dma_page = 0; - - return 0; -} - -void savage_dma_reset(drm_savage_private_t * dev_priv) -{ - uint16_t event; - unsigned int wrap, i; - event = savage_bci_emit_event(dev_priv, 0); - wrap = dev_priv->event_wrap; - for (i = 0; i < dev_priv->nr_dma_pages; ++i) { - SET_AGE(&dev_priv->dma_pages[i].age, event, wrap); - dev_priv->dma_pages[i].used = 0; - dev_priv->dma_pages[i].flushed = 0; - } - SET_AGE(&dev_priv->last_dma_age, event, wrap); - dev_priv->first_dma_page = dev_priv->current_dma_page = 0; -} - -void savage_dma_wait(drm_savage_private_t * dev_priv, unsigned int page) -{ - uint16_t event; - unsigned int wrap; - - /* Faked DMA buffer pages don't age. */ - if (dev_priv->cmd_dma == &dev_priv->fake_dma) - return; - - UPDATE_EVENT_COUNTER(); - if (dev_priv->status_ptr) - event = dev_priv->status_ptr[1] & 0xffff; - else - event = SAVAGE_READ(SAVAGE_STATUS_WORD1) & 0xffff; - wrap = dev_priv->event_wrap; - if (event > dev_priv->event_counter) - wrap--; /* hardware hasn't passed the last wrap yet */ - - if (dev_priv->dma_pages[page].age.wrap > wrap || - (dev_priv->dma_pages[page].age.wrap == wrap && - dev_priv->dma_pages[page].age.event > event)) { - if (dev_priv->wait_evnt(dev_priv, - dev_priv->dma_pages[page].age.event) - < 0) - DRM_ERROR("wait_evnt failed!\n"); - } -} - -uint32_t *savage_dma_alloc(drm_savage_private_t * dev_priv, unsigned int n) -{ - unsigned int cur = dev_priv->current_dma_page; - unsigned int rest = SAVAGE_DMA_PAGE_SIZE - - dev_priv->dma_pages[cur].used; - unsigned int nr_pages = (n - rest + SAVAGE_DMA_PAGE_SIZE - 1) / - SAVAGE_DMA_PAGE_SIZE; - uint32_t *dma_ptr; - unsigned int i; - - DRM_DEBUG("cur=%u, cur->used=%u, n=%u, rest=%u, nr_pages=%u\n", - cur, dev_priv->dma_pages[cur].used, n, rest, nr_pages); - - if (cur + nr_pages < dev_priv->nr_dma_pages) { - dma_ptr = (uint32_t *) dev_priv->cmd_dma->handle + - cur * SAVAGE_DMA_PAGE_SIZE + dev_priv->dma_pages[cur].used; - if (n < rest) - rest = n; - dev_priv->dma_pages[cur].used += rest; - n -= rest; - cur++; - } else { - dev_priv->dma_flush(dev_priv); - nr_pages = - (n + SAVAGE_DMA_PAGE_SIZE - 1) / SAVAGE_DMA_PAGE_SIZE; - for (i = cur; i < dev_priv->nr_dma_pages; ++i) { - dev_priv->dma_pages[i].age = dev_priv->last_dma_age; - dev_priv->dma_pages[i].used = 0; - dev_priv->dma_pages[i].flushed = 0; - } - dma_ptr = (uint32_t *) dev_priv->cmd_dma->handle; - dev_priv->first_dma_page = cur = 0; - } - for (i = cur; nr_pages > 0; ++i, --nr_pages) { -#if SAVAGE_DMA_DEBUG - if (dev_priv->dma_pages[i].used) { - DRM_ERROR("unflushed page %u: used=%u\n", - i, dev_priv->dma_pages[i].used); - } -#endif - if (n > SAVAGE_DMA_PAGE_SIZE) - dev_priv->dma_pages[i].used = SAVAGE_DMA_PAGE_SIZE; - else - dev_priv->dma_pages[i].used = n; - n -= SAVAGE_DMA_PAGE_SIZE; - } - dev_priv->current_dma_page = --i; - - DRM_DEBUG("cur=%u, cur->used=%u, n=%u\n", - i, dev_priv->dma_pages[i].used, n); - - savage_dma_wait(dev_priv, dev_priv->current_dma_page); - - return dma_ptr; -} - -static void savage_dma_flush(drm_savage_private_t * dev_priv) -{ - unsigned int first = dev_priv->first_dma_page; - unsigned int cur = dev_priv->current_dma_page; - uint16_t event; - unsigned int wrap, pad, align, len, i; - unsigned long phys_addr; - BCI_LOCALS; - - if (first == cur && - dev_priv->dma_pages[cur].used == dev_priv->dma_pages[cur].flushed) - return; - - /* pad length to multiples of 2 entries - * align start of next DMA block to multiles of 8 entries */ - pad = -dev_priv->dma_pages[cur].used & 1; - align = -(dev_priv->dma_pages[cur].used + pad) & 7; - - DRM_DEBUG("first=%u, cur=%u, first->flushed=%u, cur->used=%u, " - "pad=%u, align=%u\n", - first, cur, dev_priv->dma_pages[first].flushed, - dev_priv->dma_pages[cur].used, pad, align); - - /* pad with noops */ - if (pad) { - uint32_t *dma_ptr = (uint32_t *) dev_priv->cmd_dma->handle + - cur * SAVAGE_DMA_PAGE_SIZE + dev_priv->dma_pages[cur].used; - dev_priv->dma_pages[cur].used += pad; - while (pad != 0) { - *dma_ptr++ = BCI_CMD_WAIT; - pad--; - } - } - - mb(); - - /* do flush ... */ - phys_addr = dev_priv->cmd_dma->offset + - (first * SAVAGE_DMA_PAGE_SIZE + - dev_priv->dma_pages[first].flushed) * 4; - len = (cur - first) * SAVAGE_DMA_PAGE_SIZE + - dev_priv->dma_pages[cur].used - dev_priv->dma_pages[first].flushed; - - DRM_DEBUG("phys_addr=%lx, len=%u\n", - phys_addr | dev_priv->dma_type, len); - - BEGIN_BCI(3); - BCI_SET_REGISTERS(SAVAGE_DMABUFADDR, 1); - BCI_WRITE(phys_addr | dev_priv->dma_type); - BCI_DMA(len); - - /* fix alignment of the start of the next block */ - dev_priv->dma_pages[cur].used += align; - - /* age DMA pages */ - event = savage_bci_emit_event(dev_priv, 0); - wrap = dev_priv->event_wrap; - for (i = first; i < cur; ++i) { - SET_AGE(&dev_priv->dma_pages[i].age, event, wrap); - dev_priv->dma_pages[i].used = 0; - dev_priv->dma_pages[i].flushed = 0; - } - /* age the current page only when it's full */ - if (dev_priv->dma_pages[cur].used == SAVAGE_DMA_PAGE_SIZE) { - SET_AGE(&dev_priv->dma_pages[cur].age, event, wrap); - dev_priv->dma_pages[cur].used = 0; - dev_priv->dma_pages[cur].flushed = 0; - /* advance to next page */ - cur++; - if (cur == dev_priv->nr_dma_pages) - cur = 0; - dev_priv->first_dma_page = dev_priv->current_dma_page = cur; - } else { - dev_priv->first_dma_page = cur; - dev_priv->dma_pages[cur].flushed = dev_priv->dma_pages[i].used; - } - SET_AGE(&dev_priv->last_dma_age, event, wrap); - - DRM_DEBUG("first=cur=%u, cur->used=%u, cur->flushed=%u\n", cur, - dev_priv->dma_pages[cur].used, - dev_priv->dma_pages[cur].flushed); -} - -static void savage_fake_dma_flush(drm_savage_private_t * dev_priv) -{ - unsigned int i, j; - BCI_LOCALS; - - if (dev_priv->first_dma_page == dev_priv->current_dma_page && - dev_priv->dma_pages[dev_priv->current_dma_page].used == 0) - return; - - DRM_DEBUG("first=%u, cur=%u, cur->used=%u\n", - dev_priv->first_dma_page, dev_priv->current_dma_page, - dev_priv->dma_pages[dev_priv->current_dma_page].used); - - for (i = dev_priv->first_dma_page; - i <= dev_priv->current_dma_page && dev_priv->dma_pages[i].used; - ++i) { - uint32_t *dma_ptr = (uint32_t *) dev_priv->cmd_dma->handle + - i * SAVAGE_DMA_PAGE_SIZE; -#if SAVAGE_DMA_DEBUG - /* Sanity check: all pages except the last one must be full. */ - if (i < dev_priv->current_dma_page && - dev_priv->dma_pages[i].used != SAVAGE_DMA_PAGE_SIZE) { - DRM_ERROR("partial DMA page %u: used=%u", - i, dev_priv->dma_pages[i].used); - } -#endif - BEGIN_BCI(dev_priv->dma_pages[i].used); - for (j = 0; j < dev_priv->dma_pages[i].used; ++j) { - BCI_WRITE(dma_ptr[j]); - } - dev_priv->dma_pages[i].used = 0; - } - - /* reset to first page */ - dev_priv->first_dma_page = dev_priv->current_dma_page = 0; -} - -int savage_driver_load(struct drm_device *dev, unsigned long chipset) -{ - struct pci_dev *pdev = to_pci_dev(dev->dev); - drm_savage_private_t *dev_priv; - - dev_priv = kzalloc(sizeof(drm_savage_private_t), GFP_KERNEL); - if (dev_priv == NULL) - return -ENOMEM; - - dev->dev_private = (void *)dev_priv; - - dev_priv->chipset = (enum savage_family)chipset; - - pci_set_master(pdev); - - return 0; -} - - -/* - * Initialize mappings. On Savage4 and SavageIX the alignment - * and size of the aperture is not suitable for automatic MTRR setup - * in drm_legacy_addmap. Therefore we add them manually before the maps are - * initialized, and tear them down on last close. - */ -int savage_driver_firstopen(struct drm_device *dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - struct pci_dev *pdev = to_pci_dev(dev->dev); - unsigned long mmio_base, fb_base, fb_size, aperture_base; - int ret = 0; - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - fb_base = pci_resource_start(pdev, 0); - fb_size = SAVAGE_FB_SIZE_S3; - mmio_base = fb_base + SAVAGE_FB_SIZE_S3; - aperture_base = fb_base + SAVAGE_APERTURE_OFFSET; - /* this should always be true */ - if (pci_resource_len(pdev, 0) == 0x08000000) { - /* Don't make MMIO write-cobining! We need 3 - * MTRRs. */ - dev_priv->mtrr_handles[0] = - arch_phys_wc_add(fb_base, 0x01000000); - dev_priv->mtrr_handles[1] = - arch_phys_wc_add(fb_base + 0x02000000, - 0x02000000); - dev_priv->mtrr_handles[2] = - arch_phys_wc_add(fb_base + 0x04000000, - 0x04000000); - } else { - DRM_ERROR("strange pci_resource_len %08llx\n", - (unsigned long long) - pci_resource_len(pdev, 0)); - } - } else if (dev_priv->chipset != S3_SUPERSAVAGE && - dev_priv->chipset != S3_SAVAGE2000) { - mmio_base = pci_resource_start(pdev, 0); - fb_base = pci_resource_start(pdev, 1); - fb_size = SAVAGE_FB_SIZE_S4; - aperture_base = fb_base + SAVAGE_APERTURE_OFFSET; - /* this should always be true */ - if (pci_resource_len(pdev, 1) == 0x08000000) { - /* Can use one MTRR to cover both fb and - * aperture. */ - dev_priv->mtrr_handles[0] = - arch_phys_wc_add(fb_base, - 0x08000000); - } else { - DRM_ERROR("strange pci_resource_len %08llx\n", - (unsigned long long) - pci_resource_len(pdev, 1)); - } - } else { - mmio_base = pci_resource_start(pdev, 0); - fb_base = pci_resource_start(pdev, 1); - fb_size = pci_resource_len(pdev, 1); - aperture_base = pci_resource_start(pdev, 2); - /* Automatic MTRR setup will do the right thing. */ - } - - ret = drm_legacy_addmap(dev, mmio_base, SAVAGE_MMIO_SIZE, - _DRM_REGISTERS, _DRM_READ_ONLY, - &dev_priv->mmio); - if (ret) - return ret; - - ret = drm_legacy_addmap(dev, fb_base, fb_size, _DRM_FRAME_BUFFER, - _DRM_WRITE_COMBINING, &dev_priv->fb); - if (ret) - return ret; - - ret = drm_legacy_addmap(dev, aperture_base, SAVAGE_APERTURE_SIZE, - _DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING, - &dev_priv->aperture); - return ret; -} - -/* - * Delete MTRRs and free device-private data. - */ -void savage_driver_lastclose(struct drm_device *dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - int i; - - for (i = 0; i < 3; ++i) { - arch_phys_wc_del(dev_priv->mtrr_handles[i]); - dev_priv->mtrr_handles[i] = 0; - } -} - -void savage_driver_unload(struct drm_device *dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - - kfree(dev_priv); -} - -static int savage_do_init_bci(struct drm_device * dev, drm_savage_init_t * init) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - - if (init->fb_bpp != 16 && init->fb_bpp != 32) { - DRM_ERROR("invalid frame buffer bpp %d!\n", init->fb_bpp); - return -EINVAL; - } - if (init->depth_bpp != 16 && init->depth_bpp != 32) { - DRM_ERROR("invalid depth buffer bpp %d!\n", init->fb_bpp); - return -EINVAL; - } - if (init->dma_type != SAVAGE_DMA_AGP && - init->dma_type != SAVAGE_DMA_PCI) { - DRM_ERROR("invalid dma memory type %d!\n", init->dma_type); - return -EINVAL; - } - - dev_priv->cob_size = init->cob_size; - dev_priv->bci_threshold_lo = init->bci_threshold_lo; - dev_priv->bci_threshold_hi = init->bci_threshold_hi; - dev_priv->dma_type = init->dma_type; - - dev_priv->fb_bpp = init->fb_bpp; - dev_priv->front_offset = init->front_offset; - dev_priv->front_pitch = init->front_pitch; - dev_priv->back_offset = init->back_offset; - dev_priv->back_pitch = init->back_pitch; - dev_priv->depth_bpp = init->depth_bpp; - dev_priv->depth_offset = init->depth_offset; - dev_priv->depth_pitch = init->depth_pitch; - - dev_priv->texture_offset = init->texture_offset; - dev_priv->texture_size = init->texture_size; - - dev_priv->sarea = drm_legacy_getsarea(dev); - if (!dev_priv->sarea) { - DRM_ERROR("could not find sarea!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - if (init->status_offset != 0) { - dev_priv->status = drm_legacy_findmap(dev, init->status_offset); - if (!dev_priv->status) { - DRM_ERROR("could not find shadow status region!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - } else { - dev_priv->status = NULL; - } - if (dev_priv->dma_type == SAVAGE_DMA_AGP && init->buffers_offset) { - dev->agp_buffer_token = init->buffers_offset; - dev->agp_buffer_map = drm_legacy_findmap(dev, - init->buffers_offset); - if (!dev->agp_buffer_map) { - DRM_ERROR("could not find DMA buffer region!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - drm_legacy_ioremap(dev->agp_buffer_map, dev); - if (!dev->agp_buffer_map->handle) { - DRM_ERROR("failed to ioremap DMA buffer region!\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - } - if (init->agp_textures_offset) { - dev_priv->agp_textures = - drm_legacy_findmap(dev, init->agp_textures_offset); - if (!dev_priv->agp_textures) { - DRM_ERROR("could not find agp texture region!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - } else { - dev_priv->agp_textures = NULL; - } - - if (init->cmd_dma_offset) { - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - DRM_ERROR("command DMA not supported on " - "Savage3D/MX/IX.\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - if (dev->dma && dev->dma->buflist) { - DRM_ERROR("command and vertex DMA not supported " - "at the same time.\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - dev_priv->cmd_dma = drm_legacy_findmap(dev, init->cmd_dma_offset); - if (!dev_priv->cmd_dma) { - DRM_ERROR("could not find command DMA region!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - if (dev_priv->dma_type == SAVAGE_DMA_AGP) { - if (dev_priv->cmd_dma->type != _DRM_AGP) { - DRM_ERROR("AGP command DMA region is not a " - "_DRM_AGP map!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - drm_legacy_ioremap(dev_priv->cmd_dma, dev); - if (!dev_priv->cmd_dma->handle) { - DRM_ERROR("failed to ioremap command " - "DMA region!\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - } else if (dev_priv->cmd_dma->type != _DRM_CONSISTENT) { - DRM_ERROR("PCI command DMA region is not a " - "_DRM_CONSISTENT map!\n"); - savage_do_cleanup_bci(dev); - return -EINVAL; - } - } else { - dev_priv->cmd_dma = NULL; - } - - dev_priv->dma_flush = savage_dma_flush; - if (!dev_priv->cmd_dma) { - DRM_DEBUG("falling back to faked command DMA.\n"); - dev_priv->fake_dma.offset = 0; - dev_priv->fake_dma.size = SAVAGE_FAKE_DMA_SIZE; - dev_priv->fake_dma.type = _DRM_SHM; - dev_priv->fake_dma.handle = kmalloc(SAVAGE_FAKE_DMA_SIZE, - GFP_KERNEL); - if (!dev_priv->fake_dma.handle) { - DRM_ERROR("could not allocate faked DMA buffer!\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - dev_priv->cmd_dma = &dev_priv->fake_dma; - dev_priv->dma_flush = savage_fake_dma_flush; - } - - dev_priv->sarea_priv = - (drm_savage_sarea_t *) ((uint8_t *) dev_priv->sarea->handle + - init->sarea_priv_offset); - - /* setup bitmap descriptors */ - { - unsigned int color_tile_format; - unsigned int depth_tile_format; - unsigned int front_stride, back_stride, depth_stride; - if (dev_priv->chipset <= S3_SAVAGE4) { - color_tile_format = dev_priv->fb_bpp == 16 ? - SAVAGE_BD_TILE_16BPP : SAVAGE_BD_TILE_32BPP; - depth_tile_format = dev_priv->depth_bpp == 16 ? - SAVAGE_BD_TILE_16BPP : SAVAGE_BD_TILE_32BPP; - } else { - color_tile_format = SAVAGE_BD_TILE_DEST; - depth_tile_format = SAVAGE_BD_TILE_DEST; - } - front_stride = dev_priv->front_pitch / (dev_priv->fb_bpp / 8); - back_stride = dev_priv->back_pitch / (dev_priv->fb_bpp / 8); - depth_stride = - dev_priv->depth_pitch / (dev_priv->depth_bpp / 8); - - dev_priv->front_bd = front_stride | SAVAGE_BD_BW_DISABLE | - (dev_priv->fb_bpp << SAVAGE_BD_BPP_SHIFT) | - (color_tile_format << SAVAGE_BD_TILE_SHIFT); - - dev_priv->back_bd = back_stride | SAVAGE_BD_BW_DISABLE | - (dev_priv->fb_bpp << SAVAGE_BD_BPP_SHIFT) | - (color_tile_format << SAVAGE_BD_TILE_SHIFT); - - dev_priv->depth_bd = depth_stride | SAVAGE_BD_BW_DISABLE | - (dev_priv->depth_bpp << SAVAGE_BD_BPP_SHIFT) | - (depth_tile_format << SAVAGE_BD_TILE_SHIFT); - } - - /* setup status and bci ptr */ - dev_priv->event_counter = 0; - dev_priv->event_wrap = 0; - dev_priv->bci_ptr = (volatile uint32_t *) - ((uint8_t *) dev_priv->mmio->handle + SAVAGE_BCI_OFFSET); - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - dev_priv->status_used_mask = SAVAGE_FIFO_USED_MASK_S3D; - } else { - dev_priv->status_used_mask = SAVAGE_FIFO_USED_MASK_S4; - } - if (dev_priv->status != NULL) { - dev_priv->status_ptr = - (volatile uint32_t *)dev_priv->status->handle; - dev_priv->wait_fifo = savage_bci_wait_fifo_shadow; - dev_priv->wait_evnt = savage_bci_wait_event_shadow; - dev_priv->status_ptr[1023] = dev_priv->event_counter; - } else { - dev_priv->status_ptr = NULL; - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - dev_priv->wait_fifo = savage_bci_wait_fifo_s3d; - } else { - dev_priv->wait_fifo = savage_bci_wait_fifo_s4; - } - dev_priv->wait_evnt = savage_bci_wait_event_reg; - } - - /* cliprect functions */ - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) - dev_priv->emit_clip_rect = savage_emit_clip_rect_s3d; - else - dev_priv->emit_clip_rect = savage_emit_clip_rect_s4; - - if (savage_freelist_init(dev) < 0) { - DRM_ERROR("could not initialize freelist\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - - if (savage_dma_init(dev_priv) < 0) { - DRM_ERROR("could not initialize command DMA\n"); - savage_do_cleanup_bci(dev); - return -ENOMEM; - } - - return 0; -} - -static int savage_do_cleanup_bci(struct drm_device * dev) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - - if (dev_priv->cmd_dma == &dev_priv->fake_dma) { - kfree(dev_priv->fake_dma.handle); - } else if (dev_priv->cmd_dma && dev_priv->cmd_dma->handle && - dev_priv->cmd_dma->type == _DRM_AGP && - dev_priv->dma_type == SAVAGE_DMA_AGP) - drm_legacy_ioremapfree(dev_priv->cmd_dma, dev); - - if (dev_priv->dma_type == SAVAGE_DMA_AGP && - dev->agp_buffer_map && dev->agp_buffer_map->handle) { - drm_legacy_ioremapfree(dev->agp_buffer_map, dev); - /* make sure the next instance (which may be running - * in PCI mode) doesn't try to use an old - * agp_buffer_map. */ - dev->agp_buffer_map = NULL; - } - - kfree(dev_priv->dma_pages); - - return 0; -} - -static int savage_bci_init(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_savage_init_t *init = data; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - switch (init->func) { - case SAVAGE_INIT_BCI: - return savage_do_init_bci(dev, init); - case SAVAGE_CLEANUP_BCI: - return savage_do_cleanup_bci(dev); - } - - return -EINVAL; -} - -static int savage_bci_event_emit(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - drm_savage_event_emit_t *event = data; - - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - event->count = savage_bci_emit_event(dev_priv, event->flags); - event->count |= dev_priv->event_wrap << 16; - - return 0; -} - -static int savage_bci_event_wait(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - drm_savage_event_wait_t *event = data; - unsigned int event_e, hw_e; - unsigned int event_w, hw_w; - - DRM_DEBUG("\n"); - - UPDATE_EVENT_COUNTER(); - if (dev_priv->status_ptr) - hw_e = dev_priv->status_ptr[1] & 0xffff; - else - hw_e = SAVAGE_READ(SAVAGE_STATUS_WORD1) & 0xffff; - hw_w = dev_priv->event_wrap; - if (hw_e > dev_priv->event_counter) - hw_w--; /* hardware hasn't passed the last wrap yet */ - - event_e = event->count & 0xffff; - event_w = event->count >> 16; - - /* Don't need to wait if - * - event counter wrapped since the event was emitted or - * - the hardware has advanced up to or over the event to wait for. - */ - if (event_w < hw_w || (event_w == hw_w && event_e <= hw_e)) - return 0; - else - return dev_priv->wait_evnt(dev_priv, event_e); -} - -/* - * DMA buffer management - */ - -static int savage_bci_get_buffers(struct drm_device *dev, - struct drm_file *file_priv, - struct drm_dma *d) -{ - struct drm_buf *buf; - int i; - - for (i = d->granted_count; i < d->request_count; i++) { - buf = savage_freelist_get(dev); - if (!buf) - return -EAGAIN; - - buf->file_priv = file_priv; - - if (copy_to_user(&d->request_indices[i], - &buf->idx, sizeof(buf->idx))) - return -EFAULT; - if (copy_to_user(&d->request_sizes[i], - &buf->total, sizeof(buf->total))) - return -EFAULT; - - d->granted_count++; - } - return 0; -} - -int savage_bci_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - struct drm_dma *d = data; - int ret = 0; - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - /* Please don't send us buffers. - */ - if (d->send_count != 0) { - DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n", - task_pid_nr(current), d->send_count); - return -EINVAL; - } - - /* We'll send you buffers. - */ - if (d->request_count < 0 || d->request_count > dma->buf_count) { - DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", - task_pid_nr(current), d->request_count, dma->buf_count); - return -EINVAL; - } - - d->granted_count = 0; - - if (d->request_count) { - ret = savage_bci_get_buffers(dev, file_priv, d); - } - - return ret; -} - -void savage_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv) -{ - struct drm_device_dma *dma = dev->dma; - drm_savage_private_t *dev_priv = dev->dev_private; - int release_idlelock = 0; - int i; - - if (!dma) - return; - if (!dev_priv) - return; - if (!dma->buflist) - return; - - if (file_priv->master && file_priv->master->lock.hw_lock) { - drm_legacy_idlelock_take(&file_priv->master->lock); - release_idlelock = 1; - } - - for (i = 0; i < dma->buf_count; i++) { - struct drm_buf *buf = dma->buflist[i]; - drm_savage_buf_priv_t *buf_priv = buf->dev_private; - - if (buf->file_priv == file_priv && buf_priv && - buf_priv->next == NULL && buf_priv->prev == NULL) { - uint16_t event; - DRM_DEBUG("reclaimed from client\n"); - event = savage_bci_emit_event(dev_priv, SAVAGE_WAIT_3D); - SET_AGE(&buf_priv->age, event, dev_priv->event_wrap); - savage_freelist_put(dev, buf); - } - } - - if (release_idlelock) - drm_legacy_idlelock_release(&file_priv->master->lock); -} - -const struct drm_ioctl_desc savage_ioctls[] = { - DRM_IOCTL_DEF_DRV(SAVAGE_BCI_INIT, savage_bci_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF_DRV(SAVAGE_BCI_CMDBUF, savage_bci_cmdbuf, DRM_AUTH), - DRM_IOCTL_DEF_DRV(SAVAGE_BCI_EVENT_EMIT, savage_bci_event_emit, DRM_AUTH), - DRM_IOCTL_DEF_DRV(SAVAGE_BCI_EVENT_WAIT, savage_bci_event_wait, DRM_AUTH), -}; - -int savage_max_ioctl = ARRAY_SIZE(savage_ioctls); diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c deleted file mode 100644 index 799bd11adb9c..000000000000 --- a/drivers/gpu/drm/savage/savage_drv.c +++ /dev/null @@ -1,91 +0,0 @@ -/* savage_drv.c -- Savage driver for Linux - * - * Copyright 2004 Felix Kuehling - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include -#include - -#include -#include -#include - -#include "savage_drv.h" - -static struct pci_device_id pciidlist[] = { - savage_PCI_IDS -}; - -static const struct file_operations savage_driver_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = drm_ioctl, - .mmap = drm_legacy_mmap, - .poll = drm_poll, - .compat_ioctl = drm_compat_ioctl, - .llseek = noop_llseek, -}; - -static struct drm_driver driver = { - .driver_features = - DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_PCI_DMA | DRIVER_LEGACY, - .dev_priv_size = sizeof(drm_savage_buf_priv_t), - .load = savage_driver_load, - .firstopen = savage_driver_firstopen, - .preclose = savage_reclaim_buffers, - .lastclose = savage_driver_lastclose, - .unload = savage_driver_unload, - .ioctls = savage_ioctls, - .dma_ioctl = savage_bci_buffers, - .fops = &savage_driver_fops, - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = DRIVER_DATE, - .major = DRIVER_MAJOR, - .minor = DRIVER_MINOR, - .patchlevel = DRIVER_PATCHLEVEL, -}; - -static struct pci_driver savage_pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, -}; - -static int __init savage_init(void) -{ - driver.num_ioctls = savage_max_ioctl; - return drm_legacy_pci_init(&driver, &savage_pci_driver); -} - -static void __exit savage_exit(void) -{ - drm_legacy_pci_exit(&driver, &savage_pci_driver); -} - -module_init(savage_init); -module_exit(savage_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/savage/savage_drv.h b/drivers/gpu/drm/savage/savage_drv.h deleted file mode 100644 index b0081bb64776..000000000000 --- a/drivers/gpu/drm/savage/savage_drv.h +++ /dev/null @@ -1,580 +0,0 @@ -/* savage_drv.h -- Private header for the savage driver */ -/* - * Copyright 2004 Felix Kuehling - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#ifndef __SAVAGE_DRV_H__ -#define __SAVAGE_DRV_H__ - -#include - -#include -#include -#include - -#define DRIVER_AUTHOR "Felix Kuehling" - -#define DRIVER_NAME "savage" -#define DRIVER_DESC "Savage3D/MX/IX, Savage4, SuperSavage, Twister, ProSavage[DDR]" -#define DRIVER_DATE "20050313" - -#define DRIVER_MAJOR 2 -#define DRIVER_MINOR 4 -#define DRIVER_PATCHLEVEL 1 -/* Interface history: - * - * 1.x The DRM driver from the VIA/S3 code drop, basically a dummy - * 2.0 The first real DRM - * 2.1 Scissors registers managed by the DRM, 3D operations clipped by - * cliprects of the cmdbuf ioctl - * 2.2 Implemented SAVAGE_CMD_DMA_IDX and SAVAGE_CMD_VB_IDX - * 2.3 Event counters used by BCI_EVENT_EMIT/WAIT ioctls are now 32 bits - * wide and thus very long lived (unlikely to ever wrap). The size - * in the struct was 32 bits before, but only 16 bits were used - * 2.4 Implemented command DMA. Now drm_savage_init_t.cmd_dma_offset is - * actually used - */ - -typedef struct drm_savage_age { - uint16_t event; - unsigned int wrap; -} drm_savage_age_t; - -typedef struct drm_savage_buf_priv { - struct drm_savage_buf_priv *next; - struct drm_savage_buf_priv *prev; - drm_savage_age_t age; - struct drm_buf *buf; -} drm_savage_buf_priv_t; - -typedef struct drm_savage_dma_page { - drm_savage_age_t age; - unsigned int used, flushed; -} drm_savage_dma_page_t; -#define SAVAGE_DMA_PAGE_SIZE 1024 /* in dwords */ -/* Fake DMA buffer size in bytes. 4 pages. Allows a maximum command - * size of 16kbytes or 4k entries. Minimum requirement would be - * 10kbytes for 255 40-byte vertices in one drawing command. */ -#define SAVAGE_FAKE_DMA_SIZE (SAVAGE_DMA_PAGE_SIZE*4*4) - -/* interesting bits of hardware state that are saved in dev_priv */ -typedef union { - struct drm_savage_common_state { - uint32_t vbaddr; - } common; - struct { - unsigned char pad[sizeof(struct drm_savage_common_state)]; - uint32_t texctrl, texaddr; - uint32_t scstart, new_scstart; - uint32_t scend, new_scend; - } s3d; - struct { - unsigned char pad[sizeof(struct drm_savage_common_state)]; - uint32_t texdescr, texaddr0, texaddr1; - uint32_t drawctrl0, new_drawctrl0; - uint32_t drawctrl1, new_drawctrl1; - } s4; -} drm_savage_state_t; - -/* these chip tags should match the ones in the 2D driver in savage_regs.h. */ -enum savage_family { - S3_UNKNOWN = 0, - S3_SAVAGE3D, - S3_SAVAGE_MX, - S3_SAVAGE4, - S3_PROSAVAGE, - S3_TWISTER, - S3_PROSAVAGEDDR, - S3_SUPERSAVAGE, - S3_SAVAGE2000, - S3_LAST -}; - -extern const struct drm_ioctl_desc savage_ioctls[]; -extern int savage_max_ioctl; - -#define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX)) - -#define S3_SAVAGE4_SERIES(chip) ((chip==S3_SAVAGE4) \ - || (chip==S3_PROSAVAGE) \ - || (chip==S3_TWISTER) \ - || (chip==S3_PROSAVAGEDDR)) - -#define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE)) - -#define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000)) - -#define S3_MOBILE_TWISTER_SERIES(chip) ((chip==S3_TWISTER) \ - ||(chip==S3_PROSAVAGEDDR)) - -/* flags */ -#define SAVAGE_IS_AGP 1 - -typedef struct drm_savage_private { - drm_savage_sarea_t *sarea_priv; - - drm_savage_buf_priv_t head, tail; - - /* who am I? */ - enum savage_family chipset; - - unsigned int cob_size; - unsigned int bci_threshold_lo, bci_threshold_hi; - unsigned int dma_type; - - /* frame buffer layout */ - unsigned int fb_bpp; - unsigned int front_offset, front_pitch; - unsigned int back_offset, back_pitch; - unsigned int depth_bpp; - unsigned int depth_offset, depth_pitch; - - /* bitmap descriptors for swap and clear */ - unsigned int front_bd, back_bd, depth_bd; - - /* local textures */ - unsigned int texture_offset; - unsigned int texture_size; - - /* memory regions in physical memory */ - drm_local_map_t *sarea; - drm_local_map_t *mmio; - drm_local_map_t *fb; - drm_local_map_t *aperture; - drm_local_map_t *status; - drm_local_map_t *agp_textures; - drm_local_map_t *cmd_dma; - drm_local_map_t fake_dma; - - int mtrr_handles[3]; - - /* BCI and status-related stuff */ - volatile uint32_t *status_ptr, *bci_ptr; - uint32_t status_used_mask; - uint16_t event_counter; - unsigned int event_wrap; - - /* Savage4 command DMA */ - drm_savage_dma_page_t *dma_pages; - unsigned int nr_dma_pages, first_dma_page, current_dma_page; - drm_savage_age_t last_dma_age; - - /* saved hw state for global/local check on S3D */ - uint32_t hw_draw_ctrl, hw_zbuf_ctrl; - /* and for scissors (global, so don't emit if not changed) */ - uint32_t hw_scissors_start, hw_scissors_end; - - drm_savage_state_t state; - - /* after emitting a wait cmd Savage3D needs 63 nops before next DMA */ - unsigned int waiting; - - /* config/hardware-dependent function pointers */ - int (*wait_fifo) (struct drm_savage_private * dev_priv, unsigned int n); - int (*wait_evnt) (struct drm_savage_private * dev_priv, uint16_t e); - /* Err, there is a macro wait_event in include/linux/wait.h. - * Avoid unwanted macro expansion. */ - void (*emit_clip_rect) (struct drm_savage_private * dev_priv, - const struct drm_clip_rect * pbox); - void (*dma_flush) (struct drm_savage_private * dev_priv); -} drm_savage_private_t; - -/* ioctls */ -extern int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int savage_bci_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv); - -/* BCI functions */ -extern uint16_t savage_bci_emit_event(drm_savage_private_t * dev_priv, - unsigned int flags); -extern void savage_freelist_put(struct drm_device * dev, struct drm_buf * buf); -extern void savage_dma_reset(drm_savage_private_t * dev_priv); -extern void savage_dma_wait(drm_savage_private_t * dev_priv, unsigned int page); -extern uint32_t *savage_dma_alloc(drm_savage_private_t * dev_priv, - unsigned int n); -extern int savage_driver_load(struct drm_device *dev, unsigned long chipset); -extern int savage_driver_firstopen(struct drm_device *dev); -extern void savage_driver_lastclose(struct drm_device *dev); -extern void savage_driver_unload(struct drm_device *dev); -extern void savage_reclaim_buffers(struct drm_device *dev, - struct drm_file *file_priv); - -/* state functions */ -extern void savage_emit_clip_rect_s3d(drm_savage_private_t * dev_priv, - const struct drm_clip_rect * pbox); -extern void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv, - const struct drm_clip_rect * pbox); - -#define SAVAGE_FB_SIZE_S3 0x01000000 /* 16MB */ -#define SAVAGE_FB_SIZE_S4 0x02000000 /* 32MB */ -#define SAVAGE_MMIO_SIZE 0x00080000 /* 512kB */ -#define SAVAGE_APERTURE_OFFSET 0x02000000 /* 32MB */ -#define SAVAGE_APERTURE_SIZE 0x05000000 /* 5 tiled surfaces, 16MB each */ - -#define SAVAGE_BCI_OFFSET 0x00010000 /* offset of the BCI region - * inside the MMIO region */ -#define SAVAGE_BCI_FIFO_SIZE 32 /* number of entries in on-chip - * BCI FIFO */ - -/* - * MMIO registers - */ -#define SAVAGE_STATUS_WORD0 0x48C00 -#define SAVAGE_STATUS_WORD1 0x48C04 -#define SAVAGE_ALT_STATUS_WORD0 0x48C60 - -#define SAVAGE_FIFO_USED_MASK_S3D 0x0001ffff -#define SAVAGE_FIFO_USED_MASK_S4 0x001fffff - -/* Copied from savage_bci.h in the 2D driver with some renaming. */ - -/* Bitmap descriptors */ -#define SAVAGE_BD_STRIDE_SHIFT 0 -#define SAVAGE_BD_BPP_SHIFT 16 -#define SAVAGE_BD_TILE_SHIFT 24 -#define SAVAGE_BD_BW_DISABLE (1<<28) -/* common: */ -#define SAVAGE_BD_TILE_LINEAR 0 -/* savage4, MX, IX, 3D */ -#define SAVAGE_BD_TILE_16BPP 2 -#define SAVAGE_BD_TILE_32BPP 3 -/* twister, prosavage, DDR, supersavage, 2000 */ -#define SAVAGE_BD_TILE_DEST 1 -#define SAVAGE_BD_TILE_TEXTURE 2 -/* GBD - BCI enable */ -/* savage4, MX, IX, 3D */ -#define SAVAGE_GBD_BCI_ENABLE 8 -/* twister, prosavage, DDR, supersavage, 2000 */ -#define SAVAGE_GBD_BCI_ENABLE_TWISTER 0 - -#define SAVAGE_GBD_BIG_ENDIAN 4 -#define SAVAGE_GBD_LITTLE_ENDIAN 0 -#define SAVAGE_GBD_64 1 - -/* Global Bitmap Descriptor */ -#define SAVAGE_BCI_GLB_BD_LOW 0x8168 -#define SAVAGE_BCI_GLB_BD_HIGH 0x816C - -/* - * BCI registers - */ -/* Savage4/Twister/ProSavage 3D registers */ -#define SAVAGE_DRAWLOCALCTRL_S4 0x1e -#define SAVAGE_TEXPALADDR_S4 0x1f -#define SAVAGE_TEXCTRL0_S4 0x20 -#define SAVAGE_TEXCTRL1_S4 0x21 -#define SAVAGE_TEXADDR0_S4 0x22 -#define SAVAGE_TEXADDR1_S4 0x23 -#define SAVAGE_TEXBLEND0_S4 0x24 -#define SAVAGE_TEXBLEND1_S4 0x25 -#define SAVAGE_TEXXPRCLR_S4 0x26 /* never used */ -#define SAVAGE_TEXDESCR_S4 0x27 -#define SAVAGE_FOGTABLE_S4 0x28 -#define SAVAGE_FOGCTRL_S4 0x30 -#define SAVAGE_STENCILCTRL_S4 0x31 -#define SAVAGE_ZBUFCTRL_S4 0x32 -#define SAVAGE_ZBUFOFF_S4 0x33 -#define SAVAGE_DESTCTRL_S4 0x34 -#define SAVAGE_DRAWCTRL0_S4 0x35 -#define SAVAGE_DRAWCTRL1_S4 0x36 -#define SAVAGE_ZWATERMARK_S4 0x37 -#define SAVAGE_DESTTEXRWWATERMARK_S4 0x38 -#define SAVAGE_TEXBLENDCOLOR_S4 0x39 -/* Savage3D/MX/IX 3D registers */ -#define SAVAGE_TEXPALADDR_S3D 0x18 -#define SAVAGE_TEXXPRCLR_S3D 0x19 /* never used */ -#define SAVAGE_TEXADDR_S3D 0x1A -#define SAVAGE_TEXDESCR_S3D 0x1B -#define SAVAGE_TEXCTRL_S3D 0x1C -#define SAVAGE_FOGTABLE_S3D 0x20 -#define SAVAGE_FOGCTRL_S3D 0x30 -#define SAVAGE_DRAWCTRL_S3D 0x31 -#define SAVAGE_ZBUFCTRL_S3D 0x32 -#define SAVAGE_ZBUFOFF_S3D 0x33 -#define SAVAGE_DESTCTRL_S3D 0x34 -#define SAVAGE_SCSTART_S3D 0x35 -#define SAVAGE_SCEND_S3D 0x36 -#define SAVAGE_ZWATERMARK_S3D 0x37 -#define SAVAGE_DESTTEXRWWATERMARK_S3D 0x38 -/* common stuff */ -#define SAVAGE_VERTBUFADDR 0x3e -#define SAVAGE_BITPLANEWTMASK 0xd7 -#define SAVAGE_DMABUFADDR 0x51 - -/* texture enable bits (needed for tex addr checking) */ -#define SAVAGE_TEXCTRL_TEXEN_MASK 0x00010000 /* S3D */ -#define SAVAGE_TEXDESCR_TEX0EN_MASK 0x02000000 /* S4 */ -#define SAVAGE_TEXDESCR_TEX1EN_MASK 0x04000000 /* S4 */ - -/* Global fields in Savage4/Twister/ProSavage 3D registers: - * - * All texture registers and DrawLocalCtrl are local. All other - * registers are global. */ - -/* Global fields in Savage3D/MX/IX 3D registers: - * - * All texture registers are local. DrawCtrl and ZBufCtrl are - * partially local. All other registers are global. - * - * DrawCtrl global fields: cullMode, alphaTestCmpFunc, alphaTestEn, alphaRefVal - * ZBufCtrl global fields: zCmpFunc, zBufEn - */ -#define SAVAGE_DRAWCTRL_S3D_GLOBAL 0x03f3c00c -#define SAVAGE_ZBUFCTRL_S3D_GLOBAL 0x00000027 - -/* Masks for scissor bits (drawCtrl[01] on s4, scissorStart/End on s3d) - */ -#define SAVAGE_SCISSOR_MASK_S4 0x00fff7ff -#define SAVAGE_SCISSOR_MASK_S3D 0x07ff07ff - -/* - * BCI commands - */ -#define BCI_CMD_NOP 0x40000000 -#define BCI_CMD_RECT 0x48000000 -#define BCI_CMD_RECT_XP 0x01000000 -#define BCI_CMD_RECT_YP 0x02000000 -#define BCI_CMD_SCANLINE 0x50000000 -#define BCI_CMD_LINE 0x5C000000 -#define BCI_CMD_LINE_LAST_PIXEL 0x58000000 -#define BCI_CMD_BYTE_TEXT 0x63000000 -#define BCI_CMD_NT_BYTE_TEXT 0x67000000 -#define BCI_CMD_BIT_TEXT 0x6C000000 -#define BCI_CMD_GET_ROP(cmd) (((cmd) >> 16) & 0xFF) -#define BCI_CMD_SET_ROP(cmd, rop) ((cmd) |= ((rop & 0xFF) << 16)) -#define BCI_CMD_SEND_COLOR 0x00008000 - -#define BCI_CMD_CLIP_NONE 0x00000000 -#define BCI_CMD_CLIP_CURRENT 0x00002000 -#define BCI_CMD_CLIP_LR 0x00004000 -#define BCI_CMD_CLIP_NEW 0x00006000 - -#define BCI_CMD_DEST_GBD 0x00000000 -#define BCI_CMD_DEST_PBD 0x00000800 -#define BCI_CMD_DEST_PBD_NEW 0x00000C00 -#define BCI_CMD_DEST_SBD 0x00001000 -#define BCI_CMD_DEST_SBD_NEW 0x00001400 - -#define BCI_CMD_SRC_TRANSPARENT 0x00000200 -#define BCI_CMD_SRC_SOLID 0x00000000 -#define BCI_CMD_SRC_GBD 0x00000020 -#define BCI_CMD_SRC_COLOR 0x00000040 -#define BCI_CMD_SRC_MONO 0x00000060 -#define BCI_CMD_SRC_PBD_COLOR 0x00000080 -#define BCI_CMD_SRC_PBD_MONO 0x000000A0 -#define BCI_CMD_SRC_PBD_COLOR_NEW 0x000000C0 -#define BCI_CMD_SRC_PBD_MONO_NEW 0x000000E0 -#define BCI_CMD_SRC_SBD_COLOR 0x00000100 -#define BCI_CMD_SRC_SBD_MONO 0x00000120 -#define BCI_CMD_SRC_SBD_COLOR_NEW 0x00000140 -#define BCI_CMD_SRC_SBD_MONO_NEW 0x00000160 - -#define BCI_CMD_PAT_TRANSPARENT 0x00000010 -#define BCI_CMD_PAT_NONE 0x00000000 -#define BCI_CMD_PAT_COLOR 0x00000002 -#define BCI_CMD_PAT_MONO 0x00000003 -#define BCI_CMD_PAT_PBD_COLOR 0x00000004 -#define BCI_CMD_PAT_PBD_MONO 0x00000005 -#define BCI_CMD_PAT_PBD_COLOR_NEW 0x00000006 -#define BCI_CMD_PAT_PBD_MONO_NEW 0x00000007 -#define BCI_CMD_PAT_SBD_COLOR 0x00000008 -#define BCI_CMD_PAT_SBD_MONO 0x00000009 -#define BCI_CMD_PAT_SBD_COLOR_NEW 0x0000000A -#define BCI_CMD_PAT_SBD_MONO_NEW 0x0000000B - -#define BCI_BD_BW_DISABLE 0x10000000 -#define BCI_BD_TILE_MASK 0x03000000 -#define BCI_BD_TILE_NONE 0x00000000 -#define BCI_BD_TILE_16 0x02000000 -#define BCI_BD_TILE_32 0x03000000 -#define BCI_BD_GET_BPP(bd) (((bd) >> 16) & 0xFF) -#define BCI_BD_SET_BPP(bd, bpp) ((bd) |= (((bpp) & 0xFF) << 16)) -#define BCI_BD_GET_STRIDE(bd) ((bd) & 0xFFFF) -#define BCI_BD_SET_STRIDE(bd, st) ((bd) |= ((st) & 0xFFFF)) - -#define BCI_CMD_SET_REGISTER 0x96000000 - -#define BCI_CMD_WAIT 0xC0000000 -#define BCI_CMD_WAIT_3D 0x00010000 -#define BCI_CMD_WAIT_2D 0x00020000 - -#define BCI_CMD_UPDATE_EVENT_TAG 0x98000000 - -#define BCI_CMD_DRAW_PRIM 0x80000000 -#define BCI_CMD_DRAW_INDEXED_PRIM 0x88000000 -#define BCI_CMD_DRAW_CONT 0x01000000 -#define BCI_CMD_DRAW_TRILIST 0x00000000 -#define BCI_CMD_DRAW_TRISTRIP 0x02000000 -#define BCI_CMD_DRAW_TRIFAN 0x04000000 -#define BCI_CMD_DRAW_SKIPFLAGS 0x000000ff -#define BCI_CMD_DRAW_NO_Z 0x00000001 -#define BCI_CMD_DRAW_NO_W 0x00000002 -#define BCI_CMD_DRAW_NO_CD 0x00000004 -#define BCI_CMD_DRAW_NO_CS 0x00000008 -#define BCI_CMD_DRAW_NO_U0 0x00000010 -#define BCI_CMD_DRAW_NO_V0 0x00000020 -#define BCI_CMD_DRAW_NO_UV0 0x00000030 -#define BCI_CMD_DRAW_NO_U1 0x00000040 -#define BCI_CMD_DRAW_NO_V1 0x00000080 -#define BCI_CMD_DRAW_NO_UV1 0x000000c0 - -#define BCI_CMD_DMA 0xa8000000 - -#define BCI_W_H(w, h) ((((h) << 16) | (w)) & 0x0FFF0FFF) -#define BCI_X_Y(x, y) ((((y) << 16) | (x)) & 0x0FFF0FFF) -#define BCI_X_W(x, y) ((((w) << 16) | (x)) & 0x0FFF0FFF) -#define BCI_CLIP_LR(l, r) ((((r) << 16) | (l)) & 0x0FFF0FFF) -#define BCI_CLIP_TL(t, l) ((((t) << 16) | (l)) & 0x0FFF0FFF) -#define BCI_CLIP_BR(b, r) ((((b) << 16) | (r)) & 0x0FFF0FFF) - -#define BCI_LINE_X_Y(x, y) (((y) << 16) | ((x) & 0xFFFF)) -#define BCI_LINE_STEPS(diag, axi) (((axi) << 16) | ((diag) & 0xFFFF)) -#define BCI_LINE_MISC(maj, ym, xp, yp, err) \ - (((maj) & 0x1FFF) | \ - ((ym) ? 1<<13 : 0) | \ - ((xp) ? 1<<14 : 0) | \ - ((yp) ? 1<<15 : 0) | \ - ((err) << 16)) - -/* - * common commands - */ -#define BCI_SET_REGISTERS( first, n ) \ - BCI_WRITE(BCI_CMD_SET_REGISTER | \ - ((uint32_t)(n) & 0xff) << 16 | \ - ((uint32_t)(first) & 0xffff)) -#define DMA_SET_REGISTERS( first, n ) \ - DMA_WRITE(BCI_CMD_SET_REGISTER | \ - ((uint32_t)(n) & 0xff) << 16 | \ - ((uint32_t)(first) & 0xffff)) - -#define BCI_DRAW_PRIMITIVE(n, type, skip) \ - BCI_WRITE(BCI_CMD_DRAW_PRIM | (type) | (skip) | \ - ((n) << 16)) -#define DMA_DRAW_PRIMITIVE(n, type, skip) \ - DMA_WRITE(BCI_CMD_DRAW_PRIM | (type) | (skip) | \ - ((n) << 16)) - -#define BCI_DRAW_INDICES_S3D(n, type, i0) \ - BCI_WRITE(BCI_CMD_DRAW_INDEXED_PRIM | (type) | \ - ((n) << 16) | (i0)) - -#define BCI_DRAW_INDICES_S4(n, type, skip) \ - BCI_WRITE(BCI_CMD_DRAW_INDEXED_PRIM | (type) | \ - (skip) | ((n) << 16)) - -#define BCI_DMA(n) \ - BCI_WRITE(BCI_CMD_DMA | (((n) >> 1) - 1)) - -/* - * access to MMIO - */ -#define SAVAGE_READ(reg) \ - readl(((void __iomem *)dev_priv->mmio->handle) + (reg)) -#define SAVAGE_WRITE(reg) \ - writel(val, ((void __iomem *)dev_priv->mmio->handle) + (reg)) - -/* - * access to the burst command interface (BCI) - */ -#define SAVAGE_BCI_DEBUG 1 - -#define BCI_LOCALS volatile uint32_t *bci_ptr; - -#define BEGIN_BCI( n ) do { \ - dev_priv->wait_fifo(dev_priv, (n)); \ - bci_ptr = dev_priv->bci_ptr; \ -} while(0) - -#define BCI_WRITE( val ) *bci_ptr++ = (uint32_t)(val) - -/* - * command DMA support - */ -#define SAVAGE_DMA_DEBUG 1 - -#define DMA_LOCALS uint32_t *dma_ptr; - -#define BEGIN_DMA( n ) do { \ - unsigned int cur = dev_priv->current_dma_page; \ - unsigned int rest = SAVAGE_DMA_PAGE_SIZE - \ - dev_priv->dma_pages[cur].used; \ - if ((n) > rest) { \ - dma_ptr = savage_dma_alloc(dev_priv, (n)); \ - } else { /* fast path for small allocations */ \ - dma_ptr = (uint32_t *)dev_priv->cmd_dma->handle + \ - cur * SAVAGE_DMA_PAGE_SIZE + \ - dev_priv->dma_pages[cur].used; \ - if (dev_priv->dma_pages[cur].used == 0) \ - savage_dma_wait(dev_priv, cur); \ - dev_priv->dma_pages[cur].used += (n); \ - } \ -} while(0) - -#define DMA_WRITE( val ) *dma_ptr++ = (uint32_t)(val) - -#define DMA_COPY(src, n) do { \ - memcpy(dma_ptr, (src), (n)*4); \ - dma_ptr += n; \ -} while(0) - -#if SAVAGE_DMA_DEBUG -#define DMA_COMMIT() do { \ - unsigned int cur = dev_priv->current_dma_page; \ - uint32_t *expected = (uint32_t *)dev_priv->cmd_dma->handle + \ - cur * SAVAGE_DMA_PAGE_SIZE + \ - dev_priv->dma_pages[cur].used; \ - if (dma_ptr != expected) { \ - DRM_ERROR("DMA allocation and use don't match: " \ - "%p != %p\n", expected, dma_ptr); \ - savage_dma_reset(dev_priv); \ - } \ -} while(0) -#else -#define DMA_COMMIT() do {/* nothing */} while(0) -#endif - -#define DMA_FLUSH() dev_priv->dma_flush(dev_priv) - -/* Buffer aging via event tag - */ - -#define UPDATE_EVENT_COUNTER( ) do { \ - if (dev_priv->status_ptr) { \ - uint16_t count; \ - /* coordinate with Xserver */ \ - count = dev_priv->status_ptr[1023]; \ - if (count < dev_priv->event_counter) \ - dev_priv->event_wrap++; \ - dev_priv->event_counter = count; \ - } \ -} while(0) - -#define SET_AGE( age, e, w ) do { \ - (age)->event = e; \ - (age)->wrap = w; \ -} while(0) - -#define TEST_AGE( age, e, w ) \ - ( (age)->wrap < (w) || ( (age)->wrap == (w) && (age)->event <= (e) ) ) - -#endif /* __SAVAGE_DRV_H__ */ diff --git a/drivers/gpu/drm/savage/savage_state.c b/drivers/gpu/drm/savage/savage_state.c deleted file mode 100644 index e0d40ae67d54..000000000000 --- a/drivers/gpu/drm/savage/savage_state.c +++ /dev/null @@ -1,1169 +0,0 @@ -/* savage_state.c -- State and drawing support for Savage - * - * Copyright 2004 Felix Kuehling - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include -#include - -#include -#include -#include -#include - -#include "savage_drv.h" - -void savage_emit_clip_rect_s3d(drm_savage_private_t * dev_priv, - const struct drm_clip_rect * pbox) -{ - uint32_t scstart = dev_priv->state.s3d.new_scstart; - uint32_t scend = dev_priv->state.s3d.new_scend; - scstart = (scstart & ~SAVAGE_SCISSOR_MASK_S3D) | - ((uint32_t) pbox->x1 & 0x000007ff) | - (((uint32_t) pbox->y1 << 16) & 0x07ff0000); - scend = (scend & ~SAVAGE_SCISSOR_MASK_S3D) | - (((uint32_t) pbox->x2 - 1) & 0x000007ff) | - ((((uint32_t) pbox->y2 - 1) << 16) & 0x07ff0000); - if (scstart != dev_priv->state.s3d.scstart || - scend != dev_priv->state.s3d.scend) { - DMA_LOCALS; - BEGIN_DMA(4); - DMA_WRITE(BCI_CMD_WAIT | BCI_CMD_WAIT_3D); - DMA_SET_REGISTERS(SAVAGE_SCSTART_S3D, 2); - DMA_WRITE(scstart); - DMA_WRITE(scend); - dev_priv->state.s3d.scstart = scstart; - dev_priv->state.s3d.scend = scend; - dev_priv->waiting = 1; - DMA_COMMIT(); - } -} - -void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv, - const struct drm_clip_rect * pbox) -{ - uint32_t drawctrl0 = dev_priv->state.s4.new_drawctrl0; - uint32_t drawctrl1 = dev_priv->state.s4.new_drawctrl1; - drawctrl0 = (drawctrl0 & ~SAVAGE_SCISSOR_MASK_S4) | - ((uint32_t) pbox->x1 & 0x000007ff) | - (((uint32_t) pbox->y1 << 12) & 0x00fff000); - drawctrl1 = (drawctrl1 & ~SAVAGE_SCISSOR_MASK_S4) | - (((uint32_t) pbox->x2 - 1) & 0x000007ff) | - ((((uint32_t) pbox->y2 - 1) << 12) & 0x00fff000); - if (drawctrl0 != dev_priv->state.s4.drawctrl0 || - drawctrl1 != dev_priv->state.s4.drawctrl1) { - DMA_LOCALS; - BEGIN_DMA(4); - DMA_WRITE(BCI_CMD_WAIT | BCI_CMD_WAIT_3D); - DMA_SET_REGISTERS(SAVAGE_DRAWCTRL0_S4, 2); - DMA_WRITE(drawctrl0); - DMA_WRITE(drawctrl1); - dev_priv->state.s4.drawctrl0 = drawctrl0; - dev_priv->state.s4.drawctrl1 = drawctrl1; - dev_priv->waiting = 1; - DMA_COMMIT(); - } -} - -static int savage_verify_texaddr(drm_savage_private_t * dev_priv, int unit, - uint32_t addr) -{ - if ((addr & 6) != 2) { /* reserved bits */ - DRM_ERROR("bad texAddr%d %08x (reserved bits)\n", unit, addr); - return -EINVAL; - } - if (!(addr & 1)) { /* local */ - addr &= ~7; - if (addr < dev_priv->texture_offset || - addr >= dev_priv->texture_offset + dev_priv->texture_size) { - DRM_ERROR - ("bad texAddr%d %08x (local addr out of range)\n", - unit, addr); - return -EINVAL; - } - } else { /* AGP */ - if (!dev_priv->agp_textures) { - DRM_ERROR("bad texAddr%d %08x (AGP not available)\n", - unit, addr); - return -EINVAL; - } - addr &= ~7; - if (addr < dev_priv->agp_textures->offset || - addr >= (dev_priv->agp_textures->offset + - dev_priv->agp_textures->size)) { - DRM_ERROR - ("bad texAddr%d %08x (AGP addr out of range)\n", - unit, addr); - return -EINVAL; - } - } - return 0; -} - -#define SAVE_STATE(reg,where) \ - if(start <= reg && start+count > reg) \ - dev_priv->state.where = regs[reg - start] -#define SAVE_STATE_MASK(reg,where,mask) do { \ - if(start <= reg && start+count > reg) { \ - uint32_t tmp; \ - tmp = regs[reg - start]; \ - dev_priv->state.where = (tmp & (mask)) | \ - (dev_priv->state.where & ~(mask)); \ - } \ -} while (0) - -static int savage_verify_state_s3d(drm_savage_private_t * dev_priv, - unsigned int start, unsigned int count, - const uint32_t *regs) -{ - if (start < SAVAGE_TEXPALADDR_S3D || - start + count - 1 > SAVAGE_DESTTEXRWWATERMARK_S3D) { - DRM_ERROR("invalid register range (0x%04x-0x%04x)\n", - start, start + count - 1); - return -EINVAL; - } - - SAVE_STATE_MASK(SAVAGE_SCSTART_S3D, s3d.new_scstart, - ~SAVAGE_SCISSOR_MASK_S3D); - SAVE_STATE_MASK(SAVAGE_SCEND_S3D, s3d.new_scend, - ~SAVAGE_SCISSOR_MASK_S3D); - - /* if any texture regs were changed ... */ - if (start <= SAVAGE_TEXCTRL_S3D && - start + count > SAVAGE_TEXPALADDR_S3D) { - /* ... check texture state */ - SAVE_STATE(SAVAGE_TEXCTRL_S3D, s3d.texctrl); - SAVE_STATE(SAVAGE_TEXADDR_S3D, s3d.texaddr); - if (dev_priv->state.s3d.texctrl & SAVAGE_TEXCTRL_TEXEN_MASK) - return savage_verify_texaddr(dev_priv, 0, - dev_priv->state.s3d.texaddr); - } - - return 0; -} - -static int savage_verify_state_s4(drm_savage_private_t * dev_priv, - unsigned int start, unsigned int count, - const uint32_t *regs) -{ - int ret = 0; - - if (start < SAVAGE_DRAWLOCALCTRL_S4 || - start + count - 1 > SAVAGE_TEXBLENDCOLOR_S4) { - DRM_ERROR("invalid register range (0x%04x-0x%04x)\n", - start, start + count - 1); - return -EINVAL; - } - - SAVE_STATE_MASK(SAVAGE_DRAWCTRL0_S4, s4.new_drawctrl0, - ~SAVAGE_SCISSOR_MASK_S4); - SAVE_STATE_MASK(SAVAGE_DRAWCTRL1_S4, s4.new_drawctrl1, - ~SAVAGE_SCISSOR_MASK_S4); - - /* if any texture regs were changed ... */ - if (start <= SAVAGE_TEXDESCR_S4 && - start + count > SAVAGE_TEXPALADDR_S4) { - /* ... check texture state */ - SAVE_STATE(SAVAGE_TEXDESCR_S4, s4.texdescr); - SAVE_STATE(SAVAGE_TEXADDR0_S4, s4.texaddr0); - SAVE_STATE(SAVAGE_TEXADDR1_S4, s4.texaddr1); - if (dev_priv->state.s4.texdescr & SAVAGE_TEXDESCR_TEX0EN_MASK) - ret |= savage_verify_texaddr(dev_priv, 0, - dev_priv->state.s4.texaddr0); - if (dev_priv->state.s4.texdescr & SAVAGE_TEXDESCR_TEX1EN_MASK) - ret |= savage_verify_texaddr(dev_priv, 1, - dev_priv->state.s4.texaddr1); - } - - return ret; -} - -#undef SAVE_STATE -#undef SAVE_STATE_MASK - -static int savage_dispatch_state(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const uint32_t *regs) -{ - unsigned int count = cmd_header->state.count; - unsigned int start = cmd_header->state.start; - unsigned int count2 = 0; - unsigned int bci_size; - int ret; - DMA_LOCALS; - - if (!count) - return 0; - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - ret = savage_verify_state_s3d(dev_priv, start, count, regs); - if (ret != 0) - return ret; - /* scissor regs are emitted in savage_dispatch_draw */ - if (start < SAVAGE_SCSTART_S3D) { - if (start + count > SAVAGE_SCEND_S3D + 1) - count2 = count - (SAVAGE_SCEND_S3D + 1 - start); - if (start + count > SAVAGE_SCSTART_S3D) - count = SAVAGE_SCSTART_S3D - start; - } else if (start <= SAVAGE_SCEND_S3D) { - if (start + count > SAVAGE_SCEND_S3D + 1) { - count -= SAVAGE_SCEND_S3D + 1 - start; - start = SAVAGE_SCEND_S3D + 1; - } else - return 0; - } - } else { - ret = savage_verify_state_s4(dev_priv, start, count, regs); - if (ret != 0) - return ret; - /* scissor regs are emitted in savage_dispatch_draw */ - if (start < SAVAGE_DRAWCTRL0_S4) { - if (start + count > SAVAGE_DRAWCTRL1_S4 + 1) - count2 = count - - (SAVAGE_DRAWCTRL1_S4 + 1 - start); - if (start + count > SAVAGE_DRAWCTRL0_S4) - count = SAVAGE_DRAWCTRL0_S4 - start; - } else if (start <= SAVAGE_DRAWCTRL1_S4) { - if (start + count > SAVAGE_DRAWCTRL1_S4 + 1) { - count -= SAVAGE_DRAWCTRL1_S4 + 1 - start; - start = SAVAGE_DRAWCTRL1_S4 + 1; - } else - return 0; - } - } - - bci_size = count + (count + 254) / 255 + count2 + (count2 + 254) / 255; - - if (cmd_header->state.global) { - BEGIN_DMA(bci_size + 1); - DMA_WRITE(BCI_CMD_WAIT | BCI_CMD_WAIT_3D); - dev_priv->waiting = 1; - } else { - BEGIN_DMA(bci_size); - } - - do { - while (count > 0) { - unsigned int n = count < 255 ? count : 255; - DMA_SET_REGISTERS(start, n); - DMA_COPY(regs, n); - count -= n; - start += n; - regs += n; - } - start += 2; - regs += 2; - count = count2; - count2 = 0; - } while (count); - - DMA_COMMIT(); - - return 0; -} - -static int savage_dispatch_dma_prim(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const struct drm_buf * dmabuf) -{ - unsigned char reorder = 0; - unsigned int prim = cmd_header->prim.prim; - unsigned int skip = cmd_header->prim.skip; - unsigned int n = cmd_header->prim.count; - unsigned int start = cmd_header->prim.start; - unsigned int i; - BCI_LOCALS; - - if (!dmabuf) { - DRM_ERROR("called without dma buffers!\n"); - return -EINVAL; - } - - if (!n) - return 0; - - switch (prim) { - case SAVAGE_PRIM_TRILIST_201: - reorder = 1; - prim = SAVAGE_PRIM_TRILIST; - fallthrough; - case SAVAGE_PRIM_TRILIST: - if (n % 3 != 0) { - DRM_ERROR("wrong number of vertices %u in TRILIST\n", - n); - return -EINVAL; - } - break; - case SAVAGE_PRIM_TRISTRIP: - case SAVAGE_PRIM_TRIFAN: - if (n < 3) { - DRM_ERROR - ("wrong number of vertices %u in TRIFAN/STRIP\n", - n); - return -EINVAL; - } - break; - default: - DRM_ERROR("invalid primitive type %u\n", prim); - return -EINVAL; - } - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - if (skip != 0) { - DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip); - return -EINVAL; - } - } else { - unsigned int size = 10 - (skip & 1) - (skip >> 1 & 1) - - (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) - - (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1); - if (skip > SAVAGE_SKIP_ALL_S4 || size != 8) { - DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip); - return -EINVAL; - } - if (reorder) { - DRM_ERROR("TRILIST_201 used on Savage4 hardware\n"); - return -EINVAL; - } - } - - if (start + n > dmabuf->total / 32) { - DRM_ERROR("vertex indices (%u-%u) out of range (0-%u)\n", - start, start + n - 1, dmabuf->total / 32); - return -EINVAL; - } - - /* Vertex DMA doesn't work with command DMA at the same time, - * so we use BCI_... to submit commands here. Flush buffered - * faked DMA first. */ - DMA_FLUSH(); - - if (dmabuf->bus_address != dev_priv->state.common.vbaddr) { - BEGIN_BCI(2); - BCI_SET_REGISTERS(SAVAGE_VERTBUFADDR, 1); - BCI_WRITE(dmabuf->bus_address | dev_priv->dma_type); - dev_priv->state.common.vbaddr = dmabuf->bus_address; - } - if (S3_SAVAGE3D_SERIES(dev_priv->chipset) && dev_priv->waiting) { - /* Workaround for what looks like a hardware bug. If a - * WAIT_3D_IDLE was emitted some time before the - * indexed drawing command then the engine will lock - * up. There are two known workarounds: - * WAIT_IDLE_EMPTY or emit at least 63 NOPs. */ - BEGIN_BCI(63); - for (i = 0; i < 63; ++i) - BCI_WRITE(BCI_CMD_WAIT); - dev_priv->waiting = 0; - } - - prim <<= 25; - while (n != 0) { - /* Can emit up to 255 indices (85 triangles) at once. */ - unsigned int count = n > 255 ? 255 : n; - if (reorder) { - /* Need to reorder indices for correct flat - * shading while preserving the clock sense - * for correct culling. Only on Savage3D. */ - int reorder[3] = { -1, -1, -1 }; - reorder[start % 3] = 2; - - BEGIN_BCI((count + 1 + 1) / 2); - BCI_DRAW_INDICES_S3D(count, prim, start + 2); - - for (i = start + 1; i + 1 < start + count; i += 2) - BCI_WRITE((i + reorder[i % 3]) | - ((i + 1 + - reorder[(i + 1) % 3]) << 16)); - if (i < start + count) - BCI_WRITE(i + reorder[i % 3]); - } else if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - BEGIN_BCI((count + 1 + 1) / 2); - BCI_DRAW_INDICES_S3D(count, prim, start); - - for (i = start + 1; i + 1 < start + count; i += 2) - BCI_WRITE(i | ((i + 1) << 16)); - if (i < start + count) - BCI_WRITE(i); - } else { - BEGIN_BCI((count + 2 + 1) / 2); - BCI_DRAW_INDICES_S4(count, prim, skip); - - for (i = start; i + 1 < start + count; i += 2) - BCI_WRITE(i | ((i + 1) << 16)); - if (i < start + count) - BCI_WRITE(i); - } - - start += count; - n -= count; - - prim |= BCI_CMD_DRAW_CONT; - } - - return 0; -} - -static int savage_dispatch_vb_prim(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const uint32_t *vtxbuf, unsigned int vb_size, - unsigned int vb_stride) -{ - unsigned char reorder = 0; - unsigned int prim = cmd_header->prim.prim; - unsigned int skip = cmd_header->prim.skip; - unsigned int n = cmd_header->prim.count; - unsigned int start = cmd_header->prim.start; - unsigned int vtx_size; - unsigned int i; - DMA_LOCALS; - - if (!n) - return 0; - - switch (prim) { - case SAVAGE_PRIM_TRILIST_201: - reorder = 1; - prim = SAVAGE_PRIM_TRILIST; - fallthrough; - case SAVAGE_PRIM_TRILIST: - if (n % 3 != 0) { - DRM_ERROR("wrong number of vertices %u in TRILIST\n", - n); - return -EINVAL; - } - break; - case SAVAGE_PRIM_TRISTRIP: - case SAVAGE_PRIM_TRIFAN: - if (n < 3) { - DRM_ERROR - ("wrong number of vertices %u in TRIFAN/STRIP\n", - n); - return -EINVAL; - } - break; - default: - DRM_ERROR("invalid primitive type %u\n", prim); - return -EINVAL; - } - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - if (skip > SAVAGE_SKIP_ALL_S3D) { - DRM_ERROR("invalid skip flags 0x%04x\n", skip); - return -EINVAL; - } - vtx_size = 8; /* full vertex */ - } else { - if (skip > SAVAGE_SKIP_ALL_S4) { - DRM_ERROR("invalid skip flags 0x%04x\n", skip); - return -EINVAL; - } - vtx_size = 10; /* full vertex */ - } - - vtx_size -= (skip & 1) + (skip >> 1 & 1) + - (skip >> 2 & 1) + (skip >> 3 & 1) + (skip >> 4 & 1) + - (skip >> 5 & 1) + (skip >> 6 & 1) + (skip >> 7 & 1); - - if (vtx_size > vb_stride) { - DRM_ERROR("vertex size greater than vb stride (%u > %u)\n", - vtx_size, vb_stride); - return -EINVAL; - } - - if (start + n > vb_size / (vb_stride * 4)) { - DRM_ERROR("vertex indices (%u-%u) out of range (0-%u)\n", - start, start + n - 1, vb_size / (vb_stride * 4)); - return -EINVAL; - } - - prim <<= 25; - while (n != 0) { - /* Can emit up to 255 vertices (85 triangles) at once. */ - unsigned int count = n > 255 ? 255 : n; - if (reorder) { - /* Need to reorder vertices for correct flat - * shading while preserving the clock sense - * for correct culling. Only on Savage3D. */ - int reorder[3] = { -1, -1, -1 }; - reorder[start % 3] = 2; - - BEGIN_DMA(count * vtx_size + 1); - DMA_DRAW_PRIMITIVE(count, prim, skip); - - for (i = start; i < start + count; ++i) { - unsigned int j = i + reorder[i % 3]; - DMA_COPY(&vtxbuf[vb_stride * j], vtx_size); - } - - DMA_COMMIT(); - } else { - BEGIN_DMA(count * vtx_size + 1); - DMA_DRAW_PRIMITIVE(count, prim, skip); - - if (vb_stride == vtx_size) { - DMA_COPY(&vtxbuf[vb_stride * start], - vtx_size * count); - } else { - for (i = start; i < start + count; ++i) { - DMA_COPY(&vtxbuf [vb_stride * i], - vtx_size); - } - } - - DMA_COMMIT(); - } - - start += count; - n -= count; - - prim |= BCI_CMD_DRAW_CONT; - } - - return 0; -} - -static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const uint16_t *idx, - const struct drm_buf * dmabuf) -{ - unsigned char reorder = 0; - unsigned int prim = cmd_header->idx.prim; - unsigned int skip = cmd_header->idx.skip; - unsigned int n = cmd_header->idx.count; - unsigned int i; - BCI_LOCALS; - - if (!dmabuf) { - DRM_ERROR("called without dma buffers!\n"); - return -EINVAL; - } - - if (!n) - return 0; - - switch (prim) { - case SAVAGE_PRIM_TRILIST_201: - reorder = 1; - prim = SAVAGE_PRIM_TRILIST; - fallthrough; - case SAVAGE_PRIM_TRILIST: - if (n % 3 != 0) { - DRM_ERROR("wrong number of indices %u in TRILIST\n", n); - return -EINVAL; - } - break; - case SAVAGE_PRIM_TRISTRIP: - case SAVAGE_PRIM_TRIFAN: - if (n < 3) { - DRM_ERROR - ("wrong number of indices %u in TRIFAN/STRIP\n", n); - return -EINVAL; - } - break; - default: - DRM_ERROR("invalid primitive type %u\n", prim); - return -EINVAL; - } - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - if (skip != 0) { - DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip); - return -EINVAL; - } - } else { - unsigned int size = 10 - (skip & 1) - (skip >> 1 & 1) - - (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) - - (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1); - if (skip > SAVAGE_SKIP_ALL_S4 || size != 8) { - DRM_ERROR("invalid skip flags 0x%04x for DMA\n", skip); - return -EINVAL; - } - if (reorder) { - DRM_ERROR("TRILIST_201 used on Savage4 hardware\n"); - return -EINVAL; - } - } - - /* Vertex DMA doesn't work with command DMA at the same time, - * so we use BCI_... to submit commands here. Flush buffered - * faked DMA first. */ - DMA_FLUSH(); - - if (dmabuf->bus_address != dev_priv->state.common.vbaddr) { - BEGIN_BCI(2); - BCI_SET_REGISTERS(SAVAGE_VERTBUFADDR, 1); - BCI_WRITE(dmabuf->bus_address | dev_priv->dma_type); - dev_priv->state.common.vbaddr = dmabuf->bus_address; - } - if (S3_SAVAGE3D_SERIES(dev_priv->chipset) && dev_priv->waiting) { - /* Workaround for what looks like a hardware bug. If a - * WAIT_3D_IDLE was emitted some time before the - * indexed drawing command then the engine will lock - * up. There are two known workarounds: - * WAIT_IDLE_EMPTY or emit at least 63 NOPs. */ - BEGIN_BCI(63); - for (i = 0; i < 63; ++i) - BCI_WRITE(BCI_CMD_WAIT); - dev_priv->waiting = 0; - } - - prim <<= 25; - while (n != 0) { - /* Can emit up to 255 indices (85 triangles) at once. */ - unsigned int count = n > 255 ? 255 : n; - - /* check indices */ - for (i = 0; i < count; ++i) { - if (idx[i] > dmabuf->total / 32) { - DRM_ERROR("idx[%u]=%u out of range (0-%u)\n", - i, idx[i], dmabuf->total / 32); - return -EINVAL; - } - } - - if (reorder) { - /* Need to reorder indices for correct flat - * shading while preserving the clock sense - * for correct culling. Only on Savage3D. */ - int reorder[3] = { 2, -1, -1 }; - - BEGIN_BCI((count + 1 + 1) / 2); - BCI_DRAW_INDICES_S3D(count, prim, idx[2]); - - for (i = 1; i + 1 < count; i += 2) - BCI_WRITE(idx[i + reorder[i % 3]] | - (idx[i + 1 + - reorder[(i + 1) % 3]] << 16)); - if (i < count) - BCI_WRITE(idx[i + reorder[i % 3]]); - } else if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - BEGIN_BCI((count + 1 + 1) / 2); - BCI_DRAW_INDICES_S3D(count, prim, idx[0]); - - for (i = 1; i + 1 < count; i += 2) - BCI_WRITE(idx[i] | (idx[i + 1] << 16)); - if (i < count) - BCI_WRITE(idx[i]); - } else { - BEGIN_BCI((count + 2 + 1) / 2); - BCI_DRAW_INDICES_S4(count, prim, skip); - - for (i = 0; i + 1 < count; i += 2) - BCI_WRITE(idx[i] | (idx[i + 1] << 16)); - if (i < count) - BCI_WRITE(idx[i]); - } - - idx += count; - n -= count; - - prim |= BCI_CMD_DRAW_CONT; - } - - return 0; -} - -static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const uint16_t *idx, - const uint32_t *vtxbuf, - unsigned int vb_size, unsigned int vb_stride) -{ - unsigned char reorder = 0; - unsigned int prim = cmd_header->idx.prim; - unsigned int skip = cmd_header->idx.skip; - unsigned int n = cmd_header->idx.count; - unsigned int vtx_size; - unsigned int i; - DMA_LOCALS; - - if (!n) - return 0; - - switch (prim) { - case SAVAGE_PRIM_TRILIST_201: - reorder = 1; - prim = SAVAGE_PRIM_TRILIST; - fallthrough; - case SAVAGE_PRIM_TRILIST: - if (n % 3 != 0) { - DRM_ERROR("wrong number of indices %u in TRILIST\n", n); - return -EINVAL; - } - break; - case SAVAGE_PRIM_TRISTRIP: - case SAVAGE_PRIM_TRIFAN: - if (n < 3) { - DRM_ERROR - ("wrong number of indices %u in TRIFAN/STRIP\n", n); - return -EINVAL; - } - break; - default: - DRM_ERROR("invalid primitive type %u\n", prim); - return -EINVAL; - } - - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { - if (skip > SAVAGE_SKIP_ALL_S3D) { - DRM_ERROR("invalid skip flags 0x%04x\n", skip); - return -EINVAL; - } - vtx_size = 8; /* full vertex */ - } else { - if (skip > SAVAGE_SKIP_ALL_S4) { - DRM_ERROR("invalid skip flags 0x%04x\n", skip); - return -EINVAL; - } - vtx_size = 10; /* full vertex */ - } - - vtx_size -= (skip & 1) + (skip >> 1 & 1) + - (skip >> 2 & 1) + (skip >> 3 & 1) + (skip >> 4 & 1) + - (skip >> 5 & 1) + (skip >> 6 & 1) + (skip >> 7 & 1); - - if (vtx_size > vb_stride) { - DRM_ERROR("vertex size greater than vb stride (%u > %u)\n", - vtx_size, vb_stride); - return -EINVAL; - } - - prim <<= 25; - while (n != 0) { - /* Can emit up to 255 vertices (85 triangles) at once. */ - unsigned int count = n > 255 ? 255 : n; - - /* Check indices */ - for (i = 0; i < count; ++i) { - if (idx[i] > vb_size / (vb_stride * 4)) { - DRM_ERROR("idx[%u]=%u out of range (0-%u)\n", - i, idx[i], vb_size / (vb_stride * 4)); - return -EINVAL; - } - } - - if (reorder) { - /* Need to reorder vertices for correct flat - * shading while preserving the clock sense - * for correct culling. Only on Savage3D. */ - int reorder[3] = { 2, -1, -1 }; - - BEGIN_DMA(count * vtx_size + 1); - DMA_DRAW_PRIMITIVE(count, prim, skip); - - for (i = 0; i < count; ++i) { - unsigned int j = idx[i + reorder[i % 3]]; - DMA_COPY(&vtxbuf[vb_stride * j], vtx_size); - } - - DMA_COMMIT(); - } else { - BEGIN_DMA(count * vtx_size + 1); - DMA_DRAW_PRIMITIVE(count, prim, skip); - - for (i = 0; i < count; ++i) { - unsigned int j = idx[i]; - DMA_COPY(&vtxbuf[vb_stride * j], vtx_size); - } - - DMA_COMMIT(); - } - - idx += count; - n -= count; - - prim |= BCI_CMD_DRAW_CONT; - } - - return 0; -} - -static int savage_dispatch_clear(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t * cmd_header, - const drm_savage_cmd_header_t *data, - unsigned int nbox, - const struct drm_clip_rect *boxes) -{ - unsigned int flags = cmd_header->clear0.flags; - unsigned int clear_cmd; - unsigned int i, nbufs; - DMA_LOCALS; - - if (nbox == 0) - return 0; - - clear_cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP | - BCI_CMD_SEND_COLOR | BCI_CMD_DEST_PBD_NEW; - BCI_CMD_SET_ROP(clear_cmd, 0xCC); - - nbufs = ((flags & SAVAGE_FRONT) ? 1 : 0) + - ((flags & SAVAGE_BACK) ? 1 : 0) + ((flags & SAVAGE_DEPTH) ? 1 : 0); - if (nbufs == 0) - return 0; - - if (data->clear1.mask != 0xffffffff) { - /* set mask */ - BEGIN_DMA(2); - DMA_SET_REGISTERS(SAVAGE_BITPLANEWTMASK, 1); - DMA_WRITE(data->clear1.mask); - DMA_COMMIT(); - } - for (i = 0; i < nbox; ++i) { - unsigned int x, y, w, h; - unsigned int buf; - x = boxes[i].x1, y = boxes[i].y1; - w = boxes[i].x2 - boxes[i].x1; - h = boxes[i].y2 - boxes[i].y1; - BEGIN_DMA(nbufs * 6); - for (buf = SAVAGE_FRONT; buf <= SAVAGE_DEPTH; buf <<= 1) { - if (!(flags & buf)) - continue; - DMA_WRITE(clear_cmd); - switch (buf) { - case SAVAGE_FRONT: - DMA_WRITE(dev_priv->front_offset); - DMA_WRITE(dev_priv->front_bd); - break; - case SAVAGE_BACK: - DMA_WRITE(dev_priv->back_offset); - DMA_WRITE(dev_priv->back_bd); - break; - case SAVAGE_DEPTH: - DMA_WRITE(dev_priv->depth_offset); - DMA_WRITE(dev_priv->depth_bd); - break; - } - DMA_WRITE(data->clear1.value); - DMA_WRITE(BCI_X_Y(x, y)); - DMA_WRITE(BCI_W_H(w, h)); - } - DMA_COMMIT(); - } - if (data->clear1.mask != 0xffffffff) { - /* reset mask */ - BEGIN_DMA(2); - DMA_SET_REGISTERS(SAVAGE_BITPLANEWTMASK, 1); - DMA_WRITE(0xffffffff); - DMA_COMMIT(); - } - - return 0; -} - -static int savage_dispatch_swap(drm_savage_private_t * dev_priv, - unsigned int nbox, const struct drm_clip_rect *boxes) -{ - unsigned int swap_cmd; - unsigned int i; - DMA_LOCALS; - - if (nbox == 0) - return 0; - - swap_cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP | - BCI_CMD_SRC_PBD_COLOR_NEW | BCI_CMD_DEST_GBD; - BCI_CMD_SET_ROP(swap_cmd, 0xCC); - - for (i = 0; i < nbox; ++i) { - BEGIN_DMA(6); - DMA_WRITE(swap_cmd); - DMA_WRITE(dev_priv->back_offset); - DMA_WRITE(dev_priv->back_bd); - DMA_WRITE(BCI_X_Y(boxes[i].x1, boxes[i].y1)); - DMA_WRITE(BCI_X_Y(boxes[i].x1, boxes[i].y1)); - DMA_WRITE(BCI_W_H(boxes[i].x2 - boxes[i].x1, - boxes[i].y2 - boxes[i].y1)); - DMA_COMMIT(); - } - - return 0; -} - -static int savage_dispatch_draw(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t *start, - const drm_savage_cmd_header_t *end, - const struct drm_buf * dmabuf, - const unsigned int *vtxbuf, - unsigned int vb_size, unsigned int vb_stride, - unsigned int nbox, - const struct drm_clip_rect *boxes) -{ - unsigned int i, j; - int ret; - - for (i = 0; i < nbox; ++i) { - const drm_savage_cmd_header_t *cmdbuf; - dev_priv->emit_clip_rect(dev_priv, &boxes[i]); - - cmdbuf = start; - while (cmdbuf < end) { - drm_savage_cmd_header_t cmd_header; - cmd_header = *cmdbuf; - cmdbuf++; - switch (cmd_header.cmd.cmd) { - case SAVAGE_CMD_DMA_PRIM: - ret = savage_dispatch_dma_prim( - dev_priv, &cmd_header, dmabuf); - break; - case SAVAGE_CMD_VB_PRIM: - ret = savage_dispatch_vb_prim( - dev_priv, &cmd_header, - vtxbuf, vb_size, vb_stride); - break; - case SAVAGE_CMD_DMA_IDX: - j = (cmd_header.idx.count + 3) / 4; - /* j was check in savage_bci_cmdbuf */ - ret = savage_dispatch_dma_idx(dev_priv, - &cmd_header, (const uint16_t *)cmdbuf, - dmabuf); - cmdbuf += j; - break; - case SAVAGE_CMD_VB_IDX: - j = (cmd_header.idx.count + 3) / 4; - /* j was check in savage_bci_cmdbuf */ - ret = savage_dispatch_vb_idx(dev_priv, - &cmd_header, (const uint16_t *)cmdbuf, - (const uint32_t *)vtxbuf, vb_size, - vb_stride); - cmdbuf += j; - break; - default: - /* What's the best return code? EFAULT? */ - DRM_ERROR("IMPLEMENTATION ERROR: " - "non-drawing-command %d\n", - cmd_header.cmd.cmd); - return -EINVAL; - } - - if (ret != 0) - return ret; - } - } - - return 0; -} - -int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_savage_private_t *dev_priv = dev->dev_private; - struct drm_device_dma *dma = dev->dma; - struct drm_buf *dmabuf; - drm_savage_cmdbuf_t *cmdbuf = data; - drm_savage_cmd_header_t *kcmd_addr = NULL; - drm_savage_cmd_header_t *first_draw_cmd; - unsigned int *kvb_addr = NULL; - struct drm_clip_rect *kbox_addr = NULL; - unsigned int i, j; - int ret = 0; - - DRM_DEBUG("\n"); - - LOCK_TEST_WITH_RETURN(dev, file_priv); - - if (dma && dma->buflist) { - if (cmdbuf->dma_idx >= dma->buf_count) { - DRM_ERROR - ("vertex buffer index %u out of range (0-%u)\n", - cmdbuf->dma_idx, dma->buf_count - 1); - return -EINVAL; - } - dmabuf = dma->buflist[cmdbuf->dma_idx]; - } else { - dmabuf = NULL; - } - - /* Copy the user buffers into kernel temporary areas. This hasn't been - * a performance loss compared to VERIFYAREA_READ/ - * COPY_FROM_USER_UNCHECKED when done in other drivers, and is correct - * for locking on FreeBSD. - */ - if (cmdbuf->size) { - kcmd_addr = kmalloc_array(cmdbuf->size, 8, GFP_KERNEL); - if (kcmd_addr == NULL) - return -ENOMEM; - - if (copy_from_user(kcmd_addr, cmdbuf->cmd_addr, - cmdbuf->size * 8)) - { - kfree(kcmd_addr); - return -EFAULT; - } - cmdbuf->cmd_addr = kcmd_addr; - } - if (cmdbuf->vb_size) { - kvb_addr = memdup_user(cmdbuf->vb_addr, cmdbuf->vb_size); - if (IS_ERR(kvb_addr)) { - ret = PTR_ERR(kvb_addr); - kvb_addr = NULL; - goto done; - } - cmdbuf->vb_addr = kvb_addr; - } - if (cmdbuf->nbox) { - kbox_addr = kmalloc_array(cmdbuf->nbox, sizeof(struct drm_clip_rect), - GFP_KERNEL); - if (kbox_addr == NULL) { - ret = -ENOMEM; - goto done; - } - - if (copy_from_user(kbox_addr, cmdbuf->box_addr, - cmdbuf->nbox * sizeof(struct drm_clip_rect))) { - ret = -EFAULT; - goto done; - } - cmdbuf->box_addr = kbox_addr; - } - - /* Make sure writes to DMA buffers are finished before sending - * DMA commands to the graphics hardware. */ - mb(); - - /* Coming from user space. Don't know if the Xserver has - * emitted wait commands. Assuming the worst. */ - dev_priv->waiting = 1; - - i = 0; - first_draw_cmd = NULL; - while (i < cmdbuf->size) { - drm_savage_cmd_header_t cmd_header; - cmd_header = *(drm_savage_cmd_header_t *)cmdbuf->cmd_addr; - cmdbuf->cmd_addr++; - i++; - - /* Group drawing commands with same state to minimize - * iterations over clip rects. */ - j = 0; - switch (cmd_header.cmd.cmd) { - case SAVAGE_CMD_DMA_IDX: - case SAVAGE_CMD_VB_IDX: - j = (cmd_header.idx.count + 3) / 4; - if (i + j > cmdbuf->size) { - DRM_ERROR("indexed drawing command extends " - "beyond end of command buffer\n"); - DMA_FLUSH(); - ret = -EINVAL; - goto done; - } - fallthrough; - case SAVAGE_CMD_DMA_PRIM: - case SAVAGE_CMD_VB_PRIM: - if (!first_draw_cmd) - first_draw_cmd = cmdbuf->cmd_addr - 1; - cmdbuf->cmd_addr += j; - i += j; - break; - default: - if (first_draw_cmd) { - ret = savage_dispatch_draw( - dev_priv, first_draw_cmd, - cmdbuf->cmd_addr - 1, - dmabuf, cmdbuf->vb_addr, cmdbuf->vb_size, - cmdbuf->vb_stride, - cmdbuf->nbox, cmdbuf->box_addr); - if (ret != 0) - goto done; - first_draw_cmd = NULL; - } - } - if (first_draw_cmd) - continue; - - switch (cmd_header.cmd.cmd) { - case SAVAGE_CMD_STATE: - j = (cmd_header.state.count + 1) / 2; - if (i + j > cmdbuf->size) { - DRM_ERROR("command SAVAGE_CMD_STATE extends " - "beyond end of command buffer\n"); - DMA_FLUSH(); - ret = -EINVAL; - goto done; - } - ret = savage_dispatch_state(dev_priv, &cmd_header, - (const uint32_t *)cmdbuf->cmd_addr); - cmdbuf->cmd_addr += j; - i += j; - break; - case SAVAGE_CMD_CLEAR: - if (i + 1 > cmdbuf->size) { - DRM_ERROR("command SAVAGE_CMD_CLEAR extends " - "beyond end of command buffer\n"); - DMA_FLUSH(); - ret = -EINVAL; - goto done; - } - ret = savage_dispatch_clear(dev_priv, &cmd_header, - cmdbuf->cmd_addr, - cmdbuf->nbox, - cmdbuf->box_addr); - cmdbuf->cmd_addr++; - i++; - break; - case SAVAGE_CMD_SWAP: - ret = savage_dispatch_swap(dev_priv, cmdbuf->nbox, - cmdbuf->box_addr); - break; - default: - DRM_ERROR("invalid command 0x%x\n", - cmd_header.cmd.cmd); - DMA_FLUSH(); - ret = -EINVAL; - goto done; - } - - if (ret != 0) { - DMA_FLUSH(); - goto done; - } - } - - if (first_draw_cmd) { - ret = savage_dispatch_draw ( - dev_priv, first_draw_cmd, cmdbuf->cmd_addr, dmabuf, - cmdbuf->vb_addr, cmdbuf->vb_size, cmdbuf->vb_stride, - cmdbuf->nbox, cmdbuf->box_addr); - if (ret != 0) { - DMA_FLUSH(); - goto done; - } - } - - DMA_FLUSH(); - - if (dmabuf && cmdbuf->discard) { - drm_savage_buf_priv_t *buf_priv = dmabuf->dev_private; - uint16_t event; - event = savage_bci_emit_event(dev_priv, SAVAGE_WAIT_3D); - SET_AGE(&buf_priv->age, event, dev_priv->event_wrap); - savage_freelist_put(dev, dmabuf); - } - -done: - /* If we didn't need to allocate them, these'll be NULL */ - kfree(kcmd_addr); - kfree(kvb_addr); - kfree(kbox_addr); - - return ret; -} diff --git a/drivers/gpu/drm/sis/Makefile b/drivers/gpu/drm/sis/Makefile deleted file mode 100644 index 02b0253fda93..000000000000 --- a/drivers/gpu/drm/sis/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for the drm device driver. This driver provides support for the -# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. - -sis-y := sis_drv.o sis_mm.o - -obj-$(CONFIG_DRM_SIS) += sis.o - - diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c deleted file mode 100644 index 6173020a9bf5..000000000000 --- a/drivers/gpu/drm/sis/sis_drv.c +++ /dev/null @@ -1,143 +0,0 @@ -/* sis.c -- sis driver -*- linux-c -*- - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - */ - -#include -#include - -#include -#include -#include -#include - -#include "sis_drv.h" - -static struct pci_device_id pciidlist[] = { - sisdrv_PCI_IDS -}; - -static int sis_driver_load(struct drm_device *dev, unsigned long chipset) -{ - struct pci_dev *pdev = to_pci_dev(dev->dev); - drm_sis_private_t *dev_priv; - - pci_set_master(pdev); - - dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL); - if (dev_priv == NULL) - return -ENOMEM; - - idr_init_base(&dev_priv->object_idr, 1); - dev->dev_private = (void *)dev_priv; - dev_priv->chipset = chipset; - - return 0; -} - -static void sis_driver_unload(struct drm_device *dev) -{ - drm_sis_private_t *dev_priv = dev->dev_private; - - idr_destroy(&dev_priv->object_idr); - - kfree(dev_priv); -} - -static const struct file_operations sis_driver_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = drm_ioctl, - .mmap = drm_legacy_mmap, - .poll = drm_poll, - .compat_ioctl = drm_compat_ioctl, - .llseek = noop_llseek, -}; - -static int sis_driver_open(struct drm_device *dev, struct drm_file *file) -{ - struct sis_file_private *file_priv; - - DRM_DEBUG_DRIVER("\n"); - file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL); - if (!file_priv) - return -ENOMEM; - - file->driver_priv = file_priv; - - INIT_LIST_HEAD(&file_priv->obj_list); - - return 0; -} - -static void sis_driver_postclose(struct drm_device *dev, struct drm_file *file) -{ - struct sis_file_private *file_priv = file->driver_priv; - - kfree(file_priv); -} - -static struct drm_driver driver = { - .driver_features = DRIVER_USE_AGP | DRIVER_LEGACY, - .load = sis_driver_load, - .unload = sis_driver_unload, - .open = sis_driver_open, - .preclose = sis_reclaim_buffers_locked, - .postclose = sis_driver_postclose, - .dma_quiescent = sis_idle, - .lastclose = sis_lastclose, - .ioctls = sis_ioctls, - .fops = &sis_driver_fops, - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = DRIVER_DATE, - .major = DRIVER_MAJOR, - .minor = DRIVER_MINOR, - .patchlevel = DRIVER_PATCHLEVEL, -}; - -static struct pci_driver sis_pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, -}; - -static int __init sis_init(void) -{ - driver.num_ioctls = sis_max_ioctl; - return drm_legacy_pci_init(&driver, &sis_pci_driver); -} - -static void __exit sis_exit(void) -{ - drm_legacy_pci_exit(&driver, &sis_pci_driver); -} - -module_init(sis_init); -module_exit(sis_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/sis/sis_drv.h b/drivers/gpu/drm/sis/sis_drv.h deleted file mode 100644 index 81339443b3b1..000000000000 --- a/drivers/gpu/drm/sis/sis_drv.h +++ /dev/null @@ -1,80 +0,0 @@ -/* sis_drv.h -- Private header for sis driver -*- linux-c -*- */ -/* - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - */ - -#ifndef _SIS_DRV_H_ -#define _SIS_DRV_H_ - -#include -#include -#include - -/* General customization: - */ - -#define DRIVER_AUTHOR "SIS, Tungsten Graphics" -#define DRIVER_NAME "sis" -#define DRIVER_DESC "SIS 300/630/540 and XGI V3XE/V5/V8" -#define DRIVER_DATE "20070626" -#define DRIVER_MAJOR 1 -#define DRIVER_MINOR 3 -#define DRIVER_PATCHLEVEL 0 - -enum sis_family { - SIS_OTHER = 0, - SIS_CHIP_315 = 1, -}; - -#define SIS_READ(reg) readl(((void __iomem *)dev_priv->mmio->handle) + (reg)) -#define SIS_WRITE(reg, val) writel(val, ((void __iomem *)dev_priv->mmio->handle) + (reg)) - -typedef struct drm_sis_private { - drm_local_map_t *mmio; - unsigned int idle_fault; - unsigned int chipset; - int vram_initialized; - int agp_initialized; - unsigned long vram_offset; - unsigned long agp_offset; - struct drm_mm vram_mm; - struct drm_mm agp_mm; - /** Mapping of userspace keys to mm objects */ - struct idr object_idr; -} drm_sis_private_t; - -struct sis_file_private { - struct list_head obj_list; -}; - -extern int sis_idle(struct drm_device *dev); -extern void sis_reclaim_buffers_locked(struct drm_device *dev, - struct drm_file *file_priv); -extern void sis_lastclose(struct drm_device *dev); - -extern const struct drm_ioctl_desc sis_ioctls[]; -extern int sis_max_ioctl; - -#endif diff --git a/drivers/gpu/drm/sis/sis_mm.c b/drivers/gpu/drm/sis/sis_mm.c deleted file mode 100644 index e51d4289a3d0..000000000000 --- a/drivers/gpu/drm/sis/sis_mm.c +++ /dev/null @@ -1,363 +0,0 @@ -/************************************************************************** - * - * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * - **************************************************************************/ - -/* - * Authors: - * Thomas Hellström - */ - -#include