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([87.200.95.144]) by smtp.gmail.com with ESMTPSA id g12-20020a05600c310c00b003db012d49b7sm1085132wmo.2.2023.01.23.19.41.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Jan 2023 19:41:08 -0800 (PST) From: Christian Hewitt To: Neil Armstrong , Mauro Carvalho Chehab , Greg Kroah-Hartman , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Christian Hewitt , Maxime Jourdan , Benjamin Roszak Subject: [PATCH v2 2/2] media: meson: vdec: add HEVC decode codec Date: Tue, 24 Jan 2023 03:40:58 +0000 Message-Id: <20230124034058.3407235-3-christianshewitt@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230124034058.3407235-1-christianshewitt@gmail.com> References: <20230124034058.3407235-1-christianshewitt@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham 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?1755873783473048462?= X-GMAIL-MSGID: =?utf-8?q?1755874538700824427?= From: Maxime Jourdan Add initial HEVC codec for the Amlogic GXBB/GXL/GXM SoCs using the common "HEVC" decoder driver. Signed-off-by: Maxime Jourdan [codec alignment to upstream changes and frame handling improvements] Signed-off-by: Benjamin Roszak Signed-off-by: Christian Hewitt --- drivers/staging/media/meson/vdec/Makefile | 2 +- drivers/staging/media/meson/vdec/codec_hevc.c | 1462 +++++++++++++++++ drivers/staging/media/meson/vdec/codec_hevc.h | 13 + drivers/staging/media/meson/vdec/esparser.c | 3 +- drivers/staging/media/meson/vdec/hevc_regs.h | 1 + .../staging/media/meson/vdec/vdec_platform.c | 37 + 6 files changed, 1516 insertions(+), 2 deletions(-) create mode 100644 drivers/staging/media/meson/vdec/codec_hevc.c create mode 100644 drivers/staging/media/meson/vdec/codec_hevc.h diff --git a/drivers/staging/media/meson/vdec/Makefile b/drivers/staging/media/meson/vdec/Makefile index 6e726af84ac9..16f848e456b9 100644 --- a/drivers/staging/media/meson/vdec/Makefile +++ b/drivers/staging/media/meson/vdec/Makefile @@ -3,6 +3,6 @@ meson-vdec-objs = esparser.o vdec.o vdec_helpers.o vdec_platform.o meson-vdec-objs += vdec_1.o vdec_hevc.o -meson-vdec-objs += codec_mpeg12.o codec_h264.o codec_hevc_common.o codec_vp9.o +meson-vdec-objs += codec_mpeg12.o codec_h264.o codec_hevc_common.o codec_vp9.o codec_hevc.o obj-$(CONFIG_VIDEO_MESON_VDEC) += meson-vdec.o diff --git a/drivers/staging/media/meson/vdec/codec_hevc.c b/drivers/staging/media/meson/vdec/codec_hevc.c new file mode 100644 index 000000000000..fcaaa1ad50b8 --- /dev/null +++ b/drivers/staging/media/meson/vdec/codec_hevc.c @@ -0,0 +1,1462 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Maxime Jourdan + * Copyright (C) 2015 Amlogic, Inc. All rights reserved. + */ + +#include +#include + +#include "codec_hevc.h" +#include "dos_regs.h" +#include "hevc_regs.h" +#include "vdec_helpers.h" +#include "codec_hevc_common.h" + +/* HEVC reg mapping */ +#define HEVC_DEC_STATUS_REG HEVC_ASSIST_SCRATCH_0 + #define HEVC_ACTION_DONE 0xff +#define HEVC_RPM_BUFFER HEVC_ASSIST_SCRATCH_1 +#define HEVC_SHORT_TERM_RPS HEVC_ASSIST_SCRATCH_2 +#define HEVC_VPS_BUFFER HEVC_ASSIST_SCRATCH_3 +#define HEVC_SPS_BUFFER HEVC_ASSIST_SCRATCH_4 +#define HEVC_PPS_BUFFER HEVC_ASSIST_SCRATCH_5 +#define HEVC_SAO_UP HEVC_ASSIST_SCRATCH_6 +#define HEVC_STREAM_SWAP_BUFFER HEVC_ASSIST_SCRATCH_7 +#define H265_MMU_MAP_BUFFER HEVC_ASSIST_SCRATCH_7 +#define HEVC_STREAM_SWAP_BUFFER2 HEVC_ASSIST_SCRATCH_8 +#define HEVC_sao_mem_unit HEVC_ASSIST_SCRATCH_9 +#define HEVC_SAO_ABV HEVC_ASSIST_SCRATCH_A +#define HEVC_sao_vb_size HEVC_ASSIST_SCRATCH_B +#define HEVC_SAO_VB HEVC_ASSIST_SCRATCH_C +#define HEVC_SCALELUT HEVC_ASSIST_SCRATCH_D +#define HEVC_WAIT_FLAG HEVC_ASSIST_SCRATCH_E +#define RPM_CMD_REG HEVC_ASSIST_SCRATCH_F +#define LMEM_DUMP_ADR HEVC_ASSIST_SCRATCH_F +#define DEBUG_REG1 HEVC_ASSIST_SCRATCH_G +#define HEVC_DECODE_MODE2 HEVC_ASSIST_SCRATCH_H +#define NAL_SEARCH_CTL HEVC_ASSIST_SCRATCH_I +#define HEVC_DECODE_MODE HEVC_ASSIST_SCRATCH_J + #define DECODE_MODE_SINGLE 0 +#define DECODE_STOP_POS HEVC_ASSIST_SCRATCH_K +#define HEVC_AUX_ADR HEVC_ASSIST_SCRATCH_L +#define HEVC_AUX_DATA_SIZE HEVC_ASSIST_SCRATCH_M +#define HEVC_DECODE_SIZE HEVC_ASSIST_SCRATCH_N + +#define AMRISC_MAIN_REQ 0x04 + +/* HEVC Constants */ +#define MAX_REF_PIC_NUM 24 +#define MAX_REF_ACTIVE 16 +#define MAX_TILE_COL_NUM 10 +#define MAX_TILE_ROW_NUM 20 +#define MAX_SLICE_NUM 800 +#define INVALID_POC 0x80000000 + +/* HEVC Workspace layout */ +#define MPRED_MV_BUF_SIZE 0x120000 + +#define IPP_SIZE 0x4000 +#define SAO_ABV_SIZE 0x30000 +#define SAO_VB_SIZE 0x30000 +#define SH_TM_RPS_SIZE 0x800 +#define VPS_SIZE 0x800 +#define SPS_SIZE 0x800 +#define PPS_SIZE 0x2000 +#define SAO_UP_SIZE 0x2800 +#define SWAP_BUF_SIZE 0x800 +#define SWAP_BUF2_SIZE 0x800 +#define SCALELUT_SIZE 0x8000 +#define DBLK_PARA_SIZE 0x20000 +#define DBLK_DATA_SIZE 0x80000 +#define DBLK_DATA2_SIZE 0x80000 +#define MMU_VBH_SIZE 0x5000 +#define MPRED_ABV_SIZE 0x8000 +#define MPRED_MV_SIZE (MPRED_MV_BUF_SIZE * MAX_REF_PIC_NUM) +#define RPM_BUF_SIZE 0x100 +#define LMEM_SIZE 0xA00 + +#define IPP_OFFSET 0x00 +#define SAO_ABV_OFFSET (IPP_OFFSET + IPP_SIZE) +#define SAO_VB_OFFSET (SAO_ABV_OFFSET + SAO_ABV_SIZE) +#define SH_TM_RPS_OFFSET (SAO_VB_OFFSET + SAO_VB_SIZE) +#define VPS_OFFSET (SH_TM_RPS_OFFSET + SH_TM_RPS_SIZE) +#define SPS_OFFSET (VPS_OFFSET + VPS_SIZE) +#define PPS_OFFSET (SPS_OFFSET + SPS_SIZE) +#define SAO_UP_OFFSET (PPS_OFFSET + PPS_SIZE) +#define SWAP_BUF_OFFSET (SAO_UP_OFFSET + SAO_UP_SIZE) +#define SWAP_BUF2_OFFSET (SWAP_BUF_OFFSET + SWAP_BUF_SIZE) +#define SCALELUT_OFFSET (SWAP_BUF2_OFFSET + SWAP_BUF2_SIZE) +#define DBLK_PARA_OFFSET (SCALELUT_OFFSET + SCALELUT_SIZE) +#define DBLK_DATA_OFFSET (DBLK_PARA_OFFSET + DBLK_PARA_SIZE) +#define DBLK_DATA2_OFFSET (DBLK_DATA_OFFSET + DBLK_DATA_SIZE) +#define MMU_VBH_OFFSET (DBLK_DATA2_OFFSET + DBLK_DATA2_SIZE) +#define MPRED_ABV_OFFSET (MMU_VBH_OFFSET + MMU_VBH_SIZE) +#define MPRED_MV_OFFSET (MPRED_ABV_OFFSET + MPRED_ABV_SIZE) +#define RPM_OFFSET (MPRED_MV_OFFSET + MPRED_MV_SIZE) +#define LMEM_OFFSET (RPM_OFFSET + RPM_BUF_SIZE) + +/* ISR decode status */ +#define HEVC_DEC_IDLE 0x0 +#define HEVC_NAL_UNIT_VPS 0x1 +#define HEVC_NAL_UNIT_SPS 0x2 +#define HEVC_NAL_UNIT_PPS 0x3 +#define HEVC_NAL_UNIT_CODED_SLICE_SEGMENT 0x4 +#define HEVC_CODED_SLICE_SEGMENT_DAT 0x5 +#define HEVC_SLICE_DECODING 0x6 +#define HEVC_NAL_UNIT_SEI 0x7 +#define HEVC_SLICE_SEGMENT_DONE 0x8 +#define HEVC_NAL_SEARCH_DONE 0x9 +#define HEVC_DECPIC_DATA_DONE 0xa +#define HEVC_DECPIC_DATA_ERROR 0xb +#define HEVC_SEI_DAT 0xc +#define HEVC_SEI_DAT_DONE 0xd + +/* RPM misc_flag0 */ +#define PCM_LOOP_FILTER_DISABLED_FLAG_BIT 0 +#define PCM_ENABLE_FLAG_BIT 1 +#define LOOP_FILER_ACROSS_TILES_ENABLED_FLAG_BIT 2 +#define PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT 3 +#define DEBLOCKING_FILTER_OVERRIDE_ENABLED_FLAG_BIT 4 +#define PPS_DEBLOCKING_FILTER_DISABLED_FLAG_BIT 5 +#define DEBLOCKING_FILTER_OVERRIDE_FLAG_BIT 6 +#define SLICE_DEBLOCKING_FILTER_DISABLED_FLAG_BIT 7 +#define SLICE_SAO_LUMA_FLAG_BIT 8 +#define SLICE_SAO_CHROMA_FLAG_BIT 9 +#define SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT 10 + +/* Constants for HEVC_MPRED_CTRL1 */ +#define AMVP_MAX_NUM_CANDS_MEM 3 +#define AMVP_MAX_NUM_CANDS 2 +#define NUM_CHROMA_MODE 5 +#define DM_CHROMA_IDX 36 + +/* Buffer sizes */ +#define SIZE_WORKSPACE ALIGN(LMEM_OFFSET + LMEM_SIZE, 64 * SZ_1K) +#define SIZE_AUX (SZ_1K * 16) +#define SIZE_FRAME_MMU (0x1200 * 4) +#define RPM_SIZE 0x80 +#define RPS_USED_BIT 14 + +/* Data received from the HW in this form, do not rearrange */ +union rpm_param { + struct { + u16 data[RPM_SIZE]; + } l; + struct { + u16 CUR_RPS[MAX_REF_ACTIVE]; + u16 num_ref_idx_l0_active; + u16 num_ref_idx_l1_active; + u16 slice_type; + u16 slice_temporal_mvp_enable_flag; + u16 dependent_slice_segment_flag; + u16 slice_segment_address; + u16 num_title_rows_minus1; + u16 pic_width_in_luma_samples; + u16 pic_height_in_luma_samples; + u16 log2_min_coding_block_size_minus3; + u16 log2_diff_max_min_coding_block_size; + u16 log2_max_pic_order_cnt_lsb_minus4; + u16 POClsb; + u16 collocated_from_l0_flag; + u16 collocated_ref_idx; + u16 log2_parallel_merge_level; + u16 five_minus_max_num_merge_cand; + u16 sps_num_reorder_pics_0; + u16 modification_flag; + u16 tiles_flags; + u16 num_tile_columns_minus1; + u16 num_tile_rows_minus1; + u16 tile_width[8]; + u16 tile_height[8]; + u16 misc_flag0; + u16 pps_beta_offset_div2; + u16 pps_tc_offset_div2; + u16 slice_beta_offset_div2; + u16 slice_tc_offset_div2; + u16 pps_cb_qp_offset; + u16 pps_cr_qp_offset; + u16 first_slice_segment_in_pic_flag; + u16 m_temporalId; + u16 m_nalUnitType; + u16 vui_num_units_in_tick_hi; + u16 vui_num_units_in_tick_lo; + u16 vui_time_scale_hi; + u16 vui_time_scale_lo; + u16 bit_depth; + u16 profile_etc; + u16 sei_frame_field_info; + u16 video_signal_type; + u16 modification_list[0x20]; + u16 conformance_window_flag; + u16 conf_win_left_offset; + u16 conf_win_right_offset; + u16 conf_win_top_offset; + u16 conf_win_bottom_offset; + u16 chroma_format_idc; + u16 color_description; + u16 aspect_ratio_idc; + u16 sar_width; + u16 sar_height; + } p; +}; + +enum nal_unit_type { + NAL_UNIT_CODED_SLICE_BLA = 16, + NAL_UNIT_CODED_SLICE_BLANT = 17, + NAL_UNIT_CODED_SLICE_BLA_N_LP = 18, + NAL_UNIT_CODED_SLICE_IDR = 19, + NAL_UNIT_CODED_SLICE_IDR_N_LP = 20, +}; + +enum slice_type { + B_SLICE = 0, + P_SLICE = 1, + I_SLICE = 2, +}; + +/* A frame being decoded */ +struct hevc_frame { + struct list_head list; + struct vb2_v4l2_buffer *vbuf; + u32 offset; + u32 poc; + + int referenced; + int show; + u32 num_reorder_pic; + + u32 cur_slice_idx; + u32 cur_slice_type; + + /* 2 lists (L0/L1) ; 800 slices ; 16 refs */ + u32 ref_poc_list[2][MAX_SLICE_NUM][MAX_REF_ACTIVE]; + u32 ref_num[2]; +}; + +struct codec_hevc { + /* Protect the data structure */ + struct mutex lock; + + /* Common part of the HEVC decoder */ + struct codec_hevc_common common; + + /* Buffer for the HEVC Workspace */ + void *workspace_vaddr; + dma_addr_t workspace_paddr; + + /* AUX buffer */ + void *aux_vaddr; + dma_addr_t aux_paddr; + + /* Contains many information parsed from the bitstream */ + union rpm_param rpm_param; + + /* Information computed from the RPM */ + u32 lcu_size; // Largest Coding Unit + u32 lcu_x_num; + u32 lcu_y_num; + u32 lcu_total; + + /* Current Frame being handled */ + struct hevc_frame *cur_frame; + u32 curr_poc; + /* Collocated Reference Picture */ + struct hevc_frame *col_frame; + u32 col_poc; + + /* All ref frames used by the HW at a given time */ + struct list_head ref_frames_list; + u32 frames_num; + + /* Coded resolution reported by the hardware */ + u32 width, height; + /* Resolution minus the conformance window offsets */ + u32 dst_width, dst_height; + + u32 prev_tid0_poc; + u32 slice_segment_addr; + u32 slice_addr; + u32 ldc_flag; + + /* Whether we detected the bitstream as 10-bit */ + int is_10bit; +}; + +static u32 codec_hevc_num_pending_bufs(struct amvdec_session *sess) +{ + struct codec_hevc *hevc; + u32 ret; + + hevc = sess->priv; + if (!hevc) + return 0; + + mutex_lock(&hevc->lock); + ret = hevc->frames_num; + mutex_unlock(&hevc->lock); + + return ret; +} + +/* Update the L0 and L1 reference lists for a given frame */ +static void codec_hevc_update_frame_refs(struct amvdec_session *sess, + struct hevc_frame *frame) +{ + struct codec_hevc *hevc = sess->priv; + union rpm_param *params = &hevc->rpm_param; + int num_ref_idx_l0_active = + (params->p.num_ref_idx_l0_active > MAX_REF_ACTIVE) ? + MAX_REF_ACTIVE : params->p.num_ref_idx_l0_active; + int num_ref_idx_l1_active = + (params->p.num_ref_idx_l1_active > MAX_REF_ACTIVE) ? + MAX_REF_ACTIVE : params->p.num_ref_idx_l1_active; + int ref_picset0[MAX_REF_ACTIVE] = { 0 }; + int ref_picset1[MAX_REF_ACTIVE] = { 0 }; + u16 *mod_list = params->p.modification_list; + int num_neg = 0; + int num_pos = 0; + int total_num; + int i; + + for (i = 0; i < MAX_REF_ACTIVE; i++) { + frame->ref_poc_list[0][frame->cur_slice_idx][i] = 0; + frame->ref_poc_list[1][frame->cur_slice_idx][i] = 0; + } + + for (i = 0; i < MAX_REF_ACTIVE; i++) { + u16 cur_rps = params->p.CUR_RPS[i]; + int delt = cur_rps & ((1 << (RPS_USED_BIT - 1)) - 1); + + if (cur_rps & 0x8000) + break; + + if (!((cur_rps >> RPS_USED_BIT) & 1)) + continue; + + if ((cur_rps >> (RPS_USED_BIT - 1)) & 1) { + ref_picset0[num_neg] = + frame->poc - ((1 << (RPS_USED_BIT - 1)) - delt); + num_neg++; + } else { + ref_picset1[num_pos] = frame->poc + delt; + num_pos++; + } + } + + total_num = num_neg + num_pos; + + if (total_num <= 0) + goto end; + + for (i = 0; i < num_ref_idx_l0_active; i++) { + int cidx; + + if (params->p.modification_flag & 0x1) + cidx = mod_list[i]; + else + cidx = i % total_num; + + frame->ref_poc_list[0][frame->cur_slice_idx][i] = + cidx >= num_neg ? ref_picset1[cidx - num_neg] : + ref_picset0[cidx]; + } + + if (params->p.slice_type != B_SLICE) + goto end; + + if (params->p.modification_flag & 0x2) { + for (i = 0; i < num_ref_idx_l1_active; i++) { + int cidx; + + if (params->p.modification_flag & 0x1) + cidx = mod_list[num_ref_idx_l0_active + i]; + else + cidx = mod_list[i]; + + frame->ref_poc_list[1][frame->cur_slice_idx][i] = + (cidx >= num_pos) ? ref_picset0[cidx - num_pos] + : ref_picset1[cidx]; + } + } else { + for (i = 0; i < num_ref_idx_l1_active; i++) { + int cidx = i % total_num; + + frame->ref_poc_list[1][frame->cur_slice_idx][i] = + cidx >= num_pos ? ref_picset0[cidx - num_pos] : + ref_picset1[cidx]; + } + } + +end: + frame->ref_num[0] = num_ref_idx_l0_active; + frame->ref_num[1] = num_ref_idx_l1_active; + + dev_dbg(sess->core->dev, + "Frame %u; slice %u; slice_type %u; num_l0 %u; num_l1 %u\n", + frame->poc, frame->cur_slice_idx, params->p.slice_type, + frame->ref_num[0], frame->ref_num[1]); +} + +static void codec_hevc_update_ldc_flag(struct codec_hevc *hevc) +{ + struct hevc_frame *frame = hevc->cur_frame; + u32 slice_type = frame->cur_slice_type; + u32 slice_idx = frame->cur_slice_idx; + int i; + + hevc->ldc_flag = 0; + + if (slice_type == I_SLICE) + return; + + hevc->ldc_flag = 1; + for (i = 0; (i < frame->ref_num[0]) && hevc->ldc_flag; i++) { + if (frame->ref_poc_list[0][slice_idx][i] > frame->poc) { + hevc->ldc_flag = 0; + break; + } + } + + if (slice_type == P_SLICE) + return; + + for (i = 0; (i < frame->ref_num[1]) && hevc->ldc_flag; i++) { + if (frame->ref_poc_list[1][slice_idx][i] > frame->poc) { + hevc->ldc_flag = 0; + break; + } + } +} + +/* Tag "old" frames that are no longer referenced */ +static void codec_hevc_update_referenced(struct codec_hevc *hevc) +{ + union rpm_param *param = &hevc->rpm_param; + struct hevc_frame *frame; + int i; + u32 curr_poc = hevc->curr_poc; + + list_for_each_entry(frame, &hevc->ref_frames_list, list) { + int is_referenced = 0; + u32 poc_tmp; + + if (!frame->referenced) + continue; + + for (i = 0; i < MAX_REF_ACTIVE; i++) { + int delt; + + if (param->p.CUR_RPS[i] & 0x8000) + break; + + delt = param->p.CUR_RPS[i] & + ((1 << (RPS_USED_BIT - 1)) - 1); + if (param->p.CUR_RPS[i] & (1 << (RPS_USED_BIT - 1))) { + poc_tmp = curr_poc - + ((1 << (RPS_USED_BIT - 1)) - delt); + } else { + poc_tmp = curr_poc + delt; + } + + if (poc_tmp == frame->poc) { + is_referenced = 1; + break; + } + } + + frame->referenced = is_referenced; + } +} + +static struct hevc_frame * +codec_hevc_get_next_ready_frame(struct codec_hevc *hevc) +{ + struct hevc_frame *tmp, *ret = NULL; + u32 poc = INT_MAX; + + list_for_each_entry(tmp, &hevc->ref_frames_list, list) { + if ((tmp->poc < poc) && tmp->show) { + ret = tmp; + poc = tmp->poc; + } + } + + return ret; +} + +/* Try to output as many frames as possible */ +static void codec_hevc_show_frames(struct amvdec_session *sess) +{ + struct hevc_frame *tmp, *n; + struct codec_hevc *hevc = sess->priv; + + while ((tmp = codec_hevc_get_next_ready_frame(hevc))) { + if (hevc->curr_poc && + (hevc->frames_num <= tmp->num_reorder_pic)) + break; + + dev_dbg(sess->core->dev, "DONE frame poc %u; vbuf %u\n", + tmp->poc, tmp->vbuf->vb2_buf.index); + amvdec_dst_buf_done_offset(sess, tmp->vbuf, tmp->offset, + V4L2_FIELD_NONE, false); + + tmp->show = 0; + hevc->frames_num--; + } + + /* clean output frame buffer */ + list_for_each_entry_safe(tmp, n, &hevc->ref_frames_list, list) { + if (tmp->referenced || tmp->show) + continue; + + list_del(&tmp->list); + kfree(tmp); + } +} + +static int +codec_hevc_setup_workspace(struct amvdec_session *sess, + struct codec_hevc *hevc) +{ + struct amvdec_core *core = sess->core; + u32 revision = core->platform->revision; + dma_addr_t wkaddr; + + /* Allocate some memory for the HEVC decoder's state */ + hevc->workspace_vaddr = dma_alloc_coherent(core->dev, SIZE_WORKSPACE, + &wkaddr, GFP_KERNEL); + if (!hevc->workspace_vaddr) + return -ENOMEM; + + hevc->workspace_paddr = wkaddr; + + amvdec_write_dos(core, HEVCD_IPP_LINEBUFF_BASE, wkaddr + IPP_OFFSET); + amvdec_write_dos(core, HEVC_RPM_BUFFER, wkaddr + RPM_OFFSET); + amvdec_write_dos(core, HEVC_SHORT_TERM_RPS, wkaddr + SH_TM_RPS_OFFSET); + amvdec_write_dos(core, HEVC_VPS_BUFFER, wkaddr + VPS_OFFSET); + amvdec_write_dos(core, HEVC_SPS_BUFFER, wkaddr + SPS_OFFSET); + amvdec_write_dos(core, HEVC_PPS_BUFFER, wkaddr + PPS_OFFSET); + amvdec_write_dos(core, HEVC_SAO_UP, wkaddr + SAO_UP_OFFSET); + + if (codec_hevc_use_mmu(revision, sess->pixfmt_cap, hevc->is_10bit)) { + amvdec_write_dos(core, HEVC_SAO_MMU_VH0_ADDR, + wkaddr + MMU_VBH_OFFSET); + amvdec_write_dos(core, HEVC_SAO_MMU_VH1_ADDR, + wkaddr + MMU_VBH_OFFSET + (MMU_VBH_SIZE / 2)); + + if (revision >= VDEC_REVISION_G12A) + amvdec_write_dos(core, HEVC_ASSIST_MMU_MAP_ADDR, + hevc->common.mmu_map_paddr); + else + amvdec_write_dos(core, H265_MMU_MAP_BUFFER, + hevc->common.mmu_map_paddr); + } else if (revision < VDEC_REVISION_G12A) { + amvdec_write_dos(core, HEVC_STREAM_SWAP_BUFFER, + wkaddr + SWAP_BUF_OFFSET); + amvdec_write_dos(core, HEVC_STREAM_SWAP_BUFFER2, + wkaddr + SWAP_BUF2_OFFSET); + } + + amvdec_write_dos(core, HEVC_SCALELUT, wkaddr + SCALELUT_OFFSET); + amvdec_write_dos(core, HEVC_DBLK_CFG4, wkaddr + DBLK_PARA_OFFSET); + amvdec_write_dos(core, HEVC_DBLK_CFG5, wkaddr + DBLK_DATA_OFFSET); + if (revision >= VDEC_REVISION_G12A) + amvdec_write_dos(core, HEVC_DBLK_CFGE, + wkaddr + DBLK_DATA2_OFFSET); + + amvdec_write_dos(core, LMEM_DUMP_ADR, wkaddr + LMEM_OFFSET); + + return 0; +} + +static int codec_hevc_start(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc; + u32 val; + int i; + int ret; + + hevc = kzalloc(sizeof(*hevc), GFP_KERNEL); + if (!hevc) + return -ENOMEM; + + INIT_LIST_HEAD(&hevc->ref_frames_list); + hevc->curr_poc = INVALID_POC; + + ret = codec_hevc_setup_workspace(sess, hevc); + if (ret) + goto free_hevc; + + val = BIT(0); /* stream_fetch_enable */ + if (core->platform->revision >= VDEC_REVISION_G12A) + val |= (0xf << 25); /* arwlen_axi_max */ + amvdec_write_dos_bits(core, HEVC_STREAM_CONTROL, val); + + val = amvdec_read_dos(core, HEVC_PARSER_INT_CONTROL) & 0x03ffffff; + val |= (3 << 29) | BIT(27) | BIT(24) | BIT(22) | BIT(7) | BIT(4) | + BIT(0); + amvdec_write_dos(core, HEVC_PARSER_INT_CONTROL, val); + amvdec_write_dos_bits(core, HEVC_SHIFT_STATUS, BIT(1) | BIT(0)); + amvdec_write_dos(core, HEVC_SHIFT_CONTROL, + (3 << 6) | BIT(5) | BIT(2) | BIT(0)); + amvdec_write_dos(core, HEVC_CABAC_CONTROL, 1); + amvdec_write_dos(core, HEVC_PARSER_CORE_CONTROL, 1); + amvdec_write_dos(core, HEVC_DEC_STATUS_REG, 0); + + amvdec_write_dos(core, HEVC_IQIT_SCALELUT_WR_ADDR, 0); + for (i = 0; i < 1024; ++i) + amvdec_write_dos(core, HEVC_IQIT_SCALELUT_DATA, 0); + + amvdec_write_dos(core, HEVC_DECODE_SIZE, 0); + + amvdec_write_dos(core, HEVC_PARSER_CMD_WRITE, BIT(16)); + for (i = 0; i < ARRAY_SIZE(vdec_hevc_parser_cmd); ++i) + amvdec_write_dos(core, HEVC_PARSER_CMD_WRITE, + vdec_hevc_parser_cmd[i]); + + amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_0, PARSER_CMD_SKIP_CFG_0); + amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_1, PARSER_CMD_SKIP_CFG_1); + amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_2, PARSER_CMD_SKIP_CFG_2); + amvdec_write_dos(core, HEVC_PARSER_IF_CONTROL, + BIT(5) | BIT(2) | BIT(0)); + + amvdec_write_dos(core, HEVCD_IPP_TOP_CNTL, BIT(0)); + amvdec_write_dos(core, HEVCD_IPP_TOP_CNTL, BIT(1)); + + amvdec_write_dos(core, HEVC_WAIT_FLAG, 1); + + /* clear mailbox interrupt */ + amvdec_write_dos(core, HEVC_ASSIST_MBOX1_CLR_REG, 1); + /* enable mailbox interrupt */ + amvdec_write_dos(core, HEVC_ASSIST_MBOX1_MASK, 1); + /* disable PSCALE for hardware sharing */ + amvdec_write_dos(core, HEVC_PSCALE_CTRL, 0); + /* Let the uCode do all the parsing */ + amvdec_write_dos(core, NAL_SEARCH_CTL, 0xc); + + amvdec_write_dos(core, DECODE_STOP_POS, 0); + amvdec_write_dos(core, HEVC_DECODE_MODE, DECODE_MODE_SINGLE); + amvdec_write_dos(core, HEVC_DECODE_MODE2, 0); + + /* AUX buffers */ + hevc->aux_vaddr = dma_alloc_coherent(core->dev, SIZE_AUX, + &hevc->aux_paddr, GFP_KERNEL); + if (!hevc->aux_vaddr) { + ret = -ENOMEM; + goto free_hevc; + } + + amvdec_write_dos(core, HEVC_AUX_ADR, hevc->aux_paddr); + amvdec_write_dos(core, HEVC_AUX_DATA_SIZE, + (((SIZE_AUX) >> 4) << 16) | 0); + mutex_init(&hevc->lock); + sess->priv = hevc; + + return 0; + +free_hevc: + kfree(hevc); + return ret; +} + +static void codec_hevc_flush_output(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + struct hevc_frame *tmp, *n; + + while ((tmp = codec_hevc_get_next_ready_frame(hevc))) { + amvdec_dst_buf_done(sess, tmp->vbuf, V4L2_FIELD_NONE); + tmp->show = 0; + hevc->frames_num--; + } + + list_for_each_entry_safe(tmp, n, &hevc->ref_frames_list, list) { + list_del(&tmp->list); + kfree(tmp); + } +} + +static int codec_hevc_stop(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + struct amvdec_core *core = sess->core; + + mutex_lock(&hevc->lock); + codec_hevc_flush_output(sess); + + if (hevc->workspace_vaddr) + dma_free_coherent(core->dev, SIZE_WORKSPACE, + hevc->workspace_vaddr, + hevc->workspace_paddr); + + if (hevc->aux_vaddr) + dma_free_coherent(core->dev, SIZE_AUX, + hevc->aux_vaddr, hevc->aux_paddr); + + codec_hevc_free_fbc_buffers(sess, &hevc->common); + mutex_unlock(&hevc->lock); + mutex_destroy(&hevc->lock); + + return 0; +} + +static struct hevc_frame * +codec_hevc_get_frame_by_poc(struct codec_hevc *hevc, u32 poc) +{ + struct hevc_frame *tmp; + + list_for_each_entry(tmp, &hevc->ref_frames_list, list) { + if (tmp->poc == poc) + return tmp; + } + + return NULL; +} + +static struct hevc_frame * +codec_hevc_prepare_new_frame(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct hevc_frame *new_frame = NULL; + struct codec_hevc *hevc = sess->priv; + struct vb2_v4l2_buffer *vbuf; + union rpm_param *params = &hevc->rpm_param; + + new_frame = kzalloc(sizeof(*new_frame), GFP_KERNEL); + if (!new_frame) + return NULL; + + vbuf = v4l2_m2m_dst_buf_remove(sess->m2m_ctx); + if (!vbuf) { + dev_err(sess->core->dev, "No dst buffer available\n"); + return NULL; + } + + new_frame->vbuf = vbuf; + new_frame->referenced = 1; + new_frame->show = 1; + new_frame->poc = hevc->curr_poc; + new_frame->cur_slice_type = params->p.slice_type; + new_frame->num_reorder_pic = params->p.sps_num_reorder_pics_0; + new_frame->offset = amvdec_read_dos(core, HEVC_SHIFT_BYTE_COUNT); + + list_add_tail(&new_frame->list, &hevc->ref_frames_list); + hevc->frames_num++; + + return new_frame; +} + +static void +codec_hevc_set_sao(struct amvdec_session *sess, struct hevc_frame *frame) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc = sess->priv; + struct vb2_buffer *vb = &frame->vbuf->vb2_buf; + union rpm_param *param = &hevc->rpm_param; + u32 pic_height_cu = + (hevc->height + hevc->lcu_size - 1) / hevc->lcu_size; + u32 sao_mem_unit = (hevc->lcu_size == 16 ? 9 : + hevc->lcu_size == 32 ? 14 : 24) << 4; + u32 sao_vb_size = (sao_mem_unit + (2 << 4)) * pic_height_cu; + u32 misc_flag0 = param->p.misc_flag0; + dma_addr_t buf_y_paddr; + dma_addr_t buf_u_v_paddr; + u32 slice_deblocking_filter_disabled_flag; + u32 val, val_2; + + val = (amvdec_read_dos(core, HEVC_SAO_CTRL0) & ~0xf) | + ilog2(hevc->lcu_size); + amvdec_write_dos(core, HEVC_SAO_CTRL0, val); + + amvdec_write_dos(core, HEVC_SAO_PIC_SIZE, + hevc->width | (hevc->height << 16)); + amvdec_write_dos(core, HEVC_SAO_PIC_SIZE_LCU, + (hevc->lcu_x_num - 1) | (hevc->lcu_y_num - 1) << 16); + + if (codec_hevc_use_downsample(sess->pixfmt_cap, hevc->is_10bit) || + codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, + hevc->is_10bit)) + buf_y_paddr = + hevc->common.fbc_buffer_paddr[vb->index]; + else + buf_y_paddr = + vb2_dma_contig_plane_dma_addr(vb, 0); + + if (codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) { + val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0000; + amvdec_write_dos(core, HEVC_SAO_CTRL5, val); + amvdec_write_dos(core, HEVC_CM_BODY_START_ADDR, buf_y_paddr); + } + + if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) { + buf_y_paddr = + vb2_dma_contig_plane_dma_addr(vb, 0); + buf_u_v_paddr = + vb2_dma_contig_plane_dma_addr(vb, 1); + amvdec_write_dos(core, HEVC_SAO_Y_START_ADDR, buf_y_paddr); + amvdec_write_dos(core, HEVC_SAO_C_START_ADDR, buf_u_v_paddr); + amvdec_write_dos(core, HEVC_SAO_Y_WPTR, buf_y_paddr); + amvdec_write_dos(core, HEVC_SAO_C_WPTR, buf_u_v_paddr); + } + + if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, + hevc->is_10bit)) { + dma_addr_t header_adr = vb2_dma_contig_plane_dma_addr(vb, 0); + + if (codec_hevc_use_downsample(sess->pixfmt_cap, hevc->is_10bit)) + header_adr = hevc->common.mmu_header_paddr[vb->index]; + amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR, header_adr); + /* use HEVC_CM_HEADER_START_ADDR */ + amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(10)); + amvdec_write_dos_bits(core, HEVC_SAO_CTRL9, BIT(0)); + } + + amvdec_write_dos(core, HEVC_SAO_Y_LENGTH, + amvdec_get_output_size(sess)); + amvdec_write_dos(core, HEVC_SAO_C_LENGTH, + (amvdec_get_output_size(sess) / 2)); + + if (frame->cur_slice_idx == 0) { + if (core->platform->revision >= VDEC_REVISION_G12A) { + if (core->platform->revision >= VDEC_REVISION_SM1) + val = 0xfc << 8; + else + val = 0x54 << 8; + + /* enable first, compressed write */ + if (codec_hevc_use_fbc(sess->pixfmt_cap, + hevc->is_10bit)) + val |= BIT(8); + + /* enable second, uncompressed write */ + if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) + val |= BIT(9); + + /* dblk pipeline mode=1 for performance */ + if (hevc->width >= 1280) + val |= BIT(4); + + amvdec_write_dos(core, HEVC_DBLK_CFGB, val); + amvdec_write_dos(core, HEVC_DBLK_STS1 + 16, BIT(28)); + } + + amvdec_write_dos(core, HEVC_DBLK_CFG2, + hevc->width | (hevc->height << 16)); + + val = 0; + if ((misc_flag0 >> PCM_ENABLE_FLAG_BIT) & 0x1) + val |= ((misc_flag0 >> + PCM_LOOP_FILTER_DISABLED_FLAG_BIT) & 0x1) << 3; + + val |= (param->p.pps_cb_qp_offset & 0x1f) << 4; + val |= (param->p.pps_cr_qp_offset & 0x1f) << 9; + val |= (hevc->lcu_size == 64) ? 0 : + ((hevc->lcu_size == 32) ? 1 : 2); + amvdec_write_dos(core, HEVC_DBLK_CFG1, val); + } + + val = amvdec_read_dos(core, HEVC_SAO_CTRL1) & ~0x3ff3; + val |= 0xff0; /* Set endianness for 2-bytes swaps (nv12) */ + if (core->platform->revision < VDEC_REVISION_G12A) { + if (!codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) + val |= BIT(0); /* disable cm compression */ + /* TOFIX: Handle Amlogic Framebuffer compression */ + } + + amvdec_write_dos(core, HEVC_SAO_CTRL1, val); + + if (!codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) { + /* no downscale for NV12 */ + val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0000; + amvdec_write_dos(core, HEVC_SAO_CTRL5, val); + } + + val = amvdec_read_dos(core, HEVCD_IPP_AXIIF_CONFIG) & ~0x30; + val |= 0xf; + amvdec_write_dos(core, HEVCD_IPP_AXIIF_CONFIG, val); + + val = 0; + val_2 = amvdec_read_dos(core, HEVC_SAO_CTRL0); + val_2 &= (~0x300); + + slice_deblocking_filter_disabled_flag = (misc_flag0 >> + SLICE_DEBLOCKING_FILTER_DISABLED_FLAG_BIT) & 0x1; + if ((misc_flag0 & (1 << DEBLOCKING_FILTER_OVERRIDE_ENABLED_FLAG_BIT)) && + (misc_flag0 & (1 << DEBLOCKING_FILTER_OVERRIDE_FLAG_BIT))) { + val |= slice_deblocking_filter_disabled_flag << 2; + + if (!slice_deblocking_filter_disabled_flag) { + val |= (param->p.slice_beta_offset_div2 & 0xf) << 3; + val |= (param->p.slice_tc_offset_div2 & 0xf) << 7; + } + } else { + val |= + ((misc_flag0 >> + PPS_DEBLOCKING_FILTER_DISABLED_FLAG_BIT) & 0x1) << 2; + + if (((misc_flag0 >> PPS_DEBLOCKING_FILTER_DISABLED_FLAG_BIT) & + 0x1) == 0) { + val |= (param->p.pps_beta_offset_div2 & 0xf) << 3; + val |= (param->p.pps_tc_offset_div2 & 0xf) << 7; + } + } + if ((misc_flag0 & (1 << PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT)) && + ((misc_flag0 & (1 << SLICE_SAO_LUMA_FLAG_BIT)) || + (misc_flag0 & (1 << SLICE_SAO_CHROMA_FLAG_BIT)) || + (!slice_deblocking_filter_disabled_flag))) { + val |= + ((misc_flag0 >> + SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT) + & 0x1) << 1; + val_2 |= + ((misc_flag0 >> + SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT) + & 0x1) << 9; + } else { + val |= + ((misc_flag0 >> + PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT) + & 0x1) << 1; + val_2 |= + ((misc_flag0 >> + PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT) + & 0x1) << 9; + } + + amvdec_write_dos(core, HEVC_DBLK_CFG9, val); + amvdec_write_dos(core, HEVC_SAO_CTRL0, val_2); + + amvdec_write_dos(core, HEVC_sao_mem_unit, sao_mem_unit); + amvdec_write_dos(core, HEVC_SAO_ABV, + hevc->workspace_paddr + SAO_ABV_OFFSET); + amvdec_write_dos(core, HEVC_sao_vb_size, sao_vb_size); + amvdec_write_dos(core, HEVC_SAO_VB, + hevc->workspace_paddr + SAO_VB_OFFSET); +} + +static dma_addr_t codec_hevc_get_frame_mv_paddr(struct codec_hevc *hevc, + struct hevc_frame *frame) +{ + return hevc->workspace_paddr + MPRED_MV_OFFSET + + (frame->vbuf->vb2_buf.index * MPRED_MV_BUF_SIZE); +} + +static void +codec_hevc_set_mpred_ctrl(struct amvdec_core *core, struct codec_hevc *hevc) +{ + union rpm_param *param = &hevc->rpm_param; + u32 slice_type = param->p.slice_type; + u32 lcu_size_log2 = ilog2(hevc->lcu_size); + u32 val; + + val = slice_type | + MPRED_CTRL0_ABOVE_EN | + MPRED_CTRL0_MV_WR_EN | + MPRED_CTRL0_BUF_LINEAR | + (lcu_size_log2 << 16) | + (3 << 20) | /* cu_size_log2 */ + (param->p.log2_parallel_merge_level << 24); + + if (slice_type != I_SLICE) + val |= MPRED_CTRL0_MV_RD_EN; + + if (param->p.collocated_from_l0_flag) + val |= MPRED_CTRL0_COL_FROM_L0; + + if (param->p.slice_temporal_mvp_enable_flag) + val |= MPRED_CTRL0_TMVP; + + if (hevc->ldc_flag) + val |= MPRED_CTRL0_LDC; + + if (param->p.dependent_slice_segment_flag) + val |= MPRED_CTRL0_NEW_SLI_SEG; + + if (param->p.slice_segment_address == 0) + val |= MPRED_CTRL0_NEW_PIC | + MPRED_CTRL0_NEW_TILE; + + amvdec_write_dos(core, HEVC_MPRED_CTRL0, val); + + val = (5 - param->p.five_minus_max_num_merge_cand) | + (AMVP_MAX_NUM_CANDS << 4) | + (AMVP_MAX_NUM_CANDS_MEM << 8) | + (NUM_CHROMA_MODE << 12) | + (DM_CHROMA_IDX << 16); + amvdec_write_dos(core, HEVC_MPRED_CTRL1, val); +} + +static void codec_hevc_set_mpred_mv(struct amvdec_core *core, + struct codec_hevc *hevc, + struct hevc_frame *frame, + struct hevc_frame *col_frame) +{ + union rpm_param *param = &hevc->rpm_param; + u32 lcu_size_log2 = ilog2(hevc->lcu_size); + u32 mv_mem_unit = lcu_size_log2 == 6 ? 0x200 : + lcu_size_log2 == 5 ? 0x80 : 0x20; + dma_addr_t col_mv_rd_start_addr, col_mv_rd_ptr, col_mv_rd_end_addr; + dma_addr_t mpred_mv_wr_ptr; + + amvdec_read_dos(core, HEVC_MPRED_CURR_LCU); + + col_mv_rd_start_addr = codec_hevc_get_frame_mv_paddr(hevc, col_frame); + mpred_mv_wr_ptr = codec_hevc_get_frame_mv_paddr(hevc, frame) + + (hevc->slice_addr * mv_mem_unit); + col_mv_rd_ptr = col_mv_rd_start_addr + + (hevc->slice_addr * mv_mem_unit); + col_mv_rd_end_addr = col_mv_rd_start_addr + + (hevc->lcu_total * mv_mem_unit); + + amvdec_write_dos(core, HEVC_MPRED_MV_WR_START_ADDR, + codec_hevc_get_frame_mv_paddr(hevc, frame)); + amvdec_write_dos(core, HEVC_MPRED_MV_RD_START_ADDR, + col_mv_rd_start_addr); + + if (param->p.slice_segment_address == 0) { + amvdec_write_dos(core, HEVC_MPRED_ABV_START_ADDR, + hevc->workspace_paddr + MPRED_ABV_OFFSET); + amvdec_write_dos(core, HEVC_MPRED_MV_WPTR, mpred_mv_wr_ptr); + amvdec_write_dos(core, HEVC_MPRED_MV_RPTR, + col_mv_rd_start_addr); + } else { + amvdec_write_dos(core, HEVC_MPRED_MV_RPTR, col_mv_rd_ptr); + } + + amvdec_write_dos(core, HEVC_MPRED_MV_RD_END_ADDR, col_mv_rd_end_addr); +} + +/* Update motion prediction with the current slice */ +static void codec_hevc_set_mpred(struct amvdec_session *sess, + struct hevc_frame *frame, + struct hevc_frame *col_frame) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc = sess->priv; + u32 *ref_num = frame->ref_num; + u32 *ref_poc_l0 = frame->ref_poc_list[0][frame->cur_slice_idx]; + u32 *ref_poc_l1 = frame->ref_poc_list[1][frame->cur_slice_idx]; + u32 val; + int i; + + codec_hevc_set_mpred_ctrl(core, hevc); + codec_hevc_set_mpred_mv(core, hevc, frame, col_frame); + + amvdec_write_dos(core, HEVC_MPRED_PIC_SIZE, + hevc->width | (hevc->height << 16)); + + val = ((hevc->lcu_x_num - 1) | (hevc->lcu_y_num - 1) << 16); + amvdec_write_dos(core, HEVC_MPRED_PIC_SIZE_LCU, val); + + amvdec_write_dos(core, HEVC_MPRED_REF_NUM, + (ref_num[1] << 8) | ref_num[0]); + amvdec_write_dos(core, HEVC_MPRED_REF_EN_L0, (1 << ref_num[0]) - 1); + amvdec_write_dos(core, HEVC_MPRED_REF_EN_L1, (1 << ref_num[1]) - 1); + + amvdec_write_dos(core, HEVC_MPRED_CUR_POC, hevc->curr_poc); + amvdec_write_dos(core, HEVC_MPRED_COL_POC, hevc->col_poc); + + for (i = 0; i < MAX_REF_ACTIVE; ++i) { + amvdec_write_dos(core, HEVC_MPRED_L0_REF00_POC + i * 4, + ref_poc_l0[i]); + amvdec_write_dos(core, HEVC_MPRED_L1_REF00_POC + i * 4, + ref_poc_l1[i]); + } +} + +/* motion compensation reference cache controller */ +static void codec_hevc_set_mcrcc(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc = sess->priv; + u32 val, val_2; + int l0_cnt = 0; + int l1_cnt = 0x7fff; + + if (!codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) { + l0_cnt = hevc->cur_frame->ref_num[0]; + l1_cnt = hevc->cur_frame->ref_num[1]; + } + + if (hevc->cur_frame->cur_slice_type == I_SLICE) { + amvdec_write_dos(core, HEVCD_MCRCC_CTL1, 0); + return; + } + + if (hevc->cur_frame->cur_slice_type == P_SLICE) { + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, + BIT(1)); + val = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val &= 0xffff; + val |= (val << 16); + amvdec_write_dos(core, HEVCD_MCRCC_CTL2, val); + + if (l0_cnt == 1) { + amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val); + } else { + val = amvdec_read_dos(core, + HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val &= 0xffff; + val |= (val << 16); + amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val); + } + } else { /* B_SLICE */ + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 0); + val = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val &= 0xffff; + val |= (val << 16); + amvdec_write_dos(core, HEVCD_MCRCC_CTL2, val); + + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, + BIT(12) | BIT(1)); + val_2 = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val_2 &= 0xffff; + val_2 |= (val_2 << 16); + if (val == val_2 && l1_cnt > 1) { + val_2 = amvdec_read_dos(core, + HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val_2 &= 0xffff; + val_2 |= (val_2 << 16); + } + amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val); + } + + /* enable mcrcc progressive-mode */ + amvdec_write_dos(core, HEVCD_MCRCC_CTL1, 0xff0); +} + +static void codec_hevc_set_ref_list(struct amvdec_session *sess, + u32 ref_num, u32 *ref_poc_list) +{ + struct codec_hevc *hevc = sess->priv; + struct hevc_frame *ref_frame; + struct amvdec_core *core = sess->core; + int i; + u32 buf_id_y; + u32 buf_id_uv; + + for (i = 0; i < ref_num; i++) { + ref_frame = codec_hevc_get_frame_by_poc(hevc, ref_poc_list[i]); + + if (!ref_frame) { + dev_warn(core->dev, "Couldn't find ref. frame %u\n", + ref_poc_list[i]); + continue; + } + + if (codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) { + buf_id_y = ref_frame->vbuf->vb2_buf.index; + buf_id_uv = buf_id_y; + } else { + buf_id_y = ref_frame->vbuf->vb2_buf.index * 2; + buf_id_uv = buf_id_y + 1; + } + + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR, + (buf_id_uv << 16) | + (buf_id_uv << 8) | + buf_id_y); + } +} + +static void codec_hevc_set_mc(struct amvdec_session *sess, + struct hevc_frame *frame) +{ + struct amvdec_core *core = sess->core; + + if (frame->cur_slice_type == I_SLICE) + return; + + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 1); + codec_hevc_set_ref_list(sess, frame->ref_num[0], + frame->ref_poc_list[0][frame->cur_slice_idx]); + + if (frame->cur_slice_type == P_SLICE) + return; + + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, + BIT(12) | BIT(0)); + codec_hevc_set_ref_list(sess, frame->ref_num[1], + frame->ref_poc_list[1][frame->cur_slice_idx]); +} + +static void codec_hevc_update_col_frame(struct codec_hevc *hevc) +{ + struct hevc_frame *cur_frame = hevc->cur_frame; + union rpm_param *param = &hevc->rpm_param; + u32 list_no = 0; + u32 col_ref = param->p.collocated_ref_idx; + u32 col_from_l0 = param->p.collocated_from_l0_flag; + u32 cur_slice_idx = cur_frame->cur_slice_idx; + + if (cur_frame->cur_slice_type == B_SLICE) + list_no = 1 - col_from_l0; + + if (col_ref >= cur_frame->ref_num[list_no]) + hevc->col_poc = INVALID_POC; + else + hevc->col_poc = cur_frame->ref_poc_list[list_no] + [cur_slice_idx] + [col_ref]; + + if (cur_frame->cur_slice_type == I_SLICE) + goto end; + + if (hevc->col_poc != INVALID_POC) + hevc->col_frame = codec_hevc_get_frame_by_poc(hevc, + hevc->col_poc); + else + hevc->col_frame = hevc->cur_frame; + +end: + if (!hevc->col_frame) + hevc->col_frame = hevc->cur_frame; +} + +static void codec_hevc_update_pocs(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + union rpm_param *param = &hevc->rpm_param; + u32 nal_unit_type = param->p.m_nalUnitType; + u32 temporal_id = param->p.m_temporalId & 0x7; + int max_poc_lsb = + 1 << (param->p.log2_max_pic_order_cnt_lsb_minus4 + 4); + int prev_poc_lsb; + int prev_poc_msb; + int poc_msb; + int poc_lsb = param->p.POClsb; + + if (nal_unit_type == NAL_UNIT_CODED_SLICE_IDR || + nal_unit_type == NAL_UNIT_CODED_SLICE_IDR_N_LP) { + hevc->curr_poc = 0; + if ((temporal_id - 1) == 0) + hevc->prev_tid0_poc = hevc->curr_poc; + + return; + } + + prev_poc_lsb = hevc->prev_tid0_poc % max_poc_lsb; + prev_poc_msb = hevc->prev_tid0_poc - prev_poc_lsb; + + if ((poc_lsb < prev_poc_lsb) && + ((prev_poc_lsb - poc_lsb) >= (max_poc_lsb / 2))) + poc_msb = prev_poc_msb + max_poc_lsb; + else if ((poc_lsb > prev_poc_lsb) && + ((poc_lsb - prev_poc_lsb) > (max_poc_lsb / 2))) + poc_msb = prev_poc_msb - max_poc_lsb; + else + poc_msb = prev_poc_msb; + + if (nal_unit_type == NAL_UNIT_CODED_SLICE_BLA || + nal_unit_type == NAL_UNIT_CODED_SLICE_BLANT || + nal_unit_type == NAL_UNIT_CODED_SLICE_BLA_N_LP) + poc_msb = 0; + + hevc->curr_poc = (poc_msb + poc_lsb); + if ((temporal_id - 1) == 0) + hevc->prev_tid0_poc = hevc->curr_poc; +} + +static void codec_hevc_process_segment_header(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + union rpm_param *param = &hevc->rpm_param; + + if (param->p.first_slice_segment_in_pic_flag == 0) { + hevc->slice_segment_addr = param->p.slice_segment_address; + if (!param->p.dependent_slice_segment_flag) + hevc->slice_addr = hevc->slice_segment_addr; + } else { + hevc->slice_segment_addr = 0; + hevc->slice_addr = 0; + } + + codec_hevc_update_pocs(sess); +} + +static int codec_hevc_process_segment(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + struct amvdec_core *core = sess->core; + union rpm_param *param = &hevc->rpm_param; + u32 slice_segment_address = param->p.slice_segment_address; + + /* First slice: new frame */ + if (slice_segment_address == 0) { + codec_hevc_update_referenced(hevc); + codec_hevc_show_frames(sess); + + hevc->cur_frame = codec_hevc_prepare_new_frame(sess); + if (!hevc->cur_frame) + return -1; + } else { + hevc->cur_frame->cur_slice_idx++; + } + + codec_hevc_update_frame_refs(sess, hevc->cur_frame); + codec_hevc_update_col_frame(hevc); + codec_hevc_update_ldc_flag(hevc); + if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, + hevc->is_10bit)) + codec_hevc_fill_mmu_map(sess, &hevc->common, + &hevc->cur_frame->vbuf->vb2_buf, + hevc->is_10bit); + codec_hevc_set_mc(sess, hevc->cur_frame); + codec_hevc_set_mcrcc(sess); + codec_hevc_set_mpred(sess, hevc->cur_frame, hevc->col_frame); + codec_hevc_set_sao(sess, hevc->cur_frame); + + amvdec_write_dos_bits(core, HEVC_WAIT_FLAG, BIT(1)); + amvdec_write_dos(core, HEVC_DEC_STATUS_REG, + HEVC_CODED_SLICE_SEGMENT_DAT); + + /* Interrupt the firmware's processor */ + amvdec_write_dos(core, HEVC_MCPU_INTR_REQ, AMRISC_MAIN_REQ); + + return 0; +} + +static int codec_hevc_process_rpm(struct codec_hevc *hevc) +{ + union rpm_param *param = &hevc->rpm_param; + int src_changed = 0; + u32 dst_width, dst_height; + u32 lcu_size; + u32 is_10bit = 0; + + if (param->p.slice_segment_address || + !param->p.pic_width_in_luma_samples || + !param->p.pic_height_in_luma_samples) + return 0; + + if (param->p.bit_depth) + is_10bit = 1; + + hevc->width = param->p.pic_width_in_luma_samples; + hevc->height = param->p.pic_height_in_luma_samples; + dst_width = hevc->width; + dst_height = hevc->height; + + lcu_size = 1 << (param->p.log2_min_coding_block_size_minus3 + + 3 + param->p.log2_diff_max_min_coding_block_size); + + hevc->lcu_x_num = (hevc->width + lcu_size - 1) / lcu_size; + hevc->lcu_y_num = (hevc->height + lcu_size - 1) / lcu_size; + hevc->lcu_total = hevc->lcu_x_num * hevc->lcu_y_num; + + if (param->p.conformance_window_flag) { + u32 sub_width = 1, sub_height = 1; + + switch (param->p.chroma_format_idc) { + case 1: + sub_height = 2; + fallthrough; + case 2: + sub_width = 2; + break; + } + + dst_width -= sub_width * + (param->p.conf_win_left_offset + + param->p.conf_win_right_offset); + dst_height -= sub_height * + (param->p.conf_win_top_offset + + param->p.conf_win_bottom_offset); + } + + if (dst_width != hevc->dst_width || + dst_height != hevc->dst_height || + lcu_size != hevc->lcu_size || + is_10bit != hevc->is_10bit) + src_changed = 1; + + hevc->dst_width = dst_width; + hevc->dst_height = dst_height; + hevc->lcu_size = lcu_size; + hevc->is_10bit = is_10bit; + + return src_changed; +} + +/* + * The RPM section within the workspace contains + * many information regarding the parsed bitstream + */ +static void codec_hevc_fetch_rpm(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + u16 *rpm_vaddr = hevc->workspace_vaddr + RPM_OFFSET; + int i, j; + + for (i = 0; i < RPM_SIZE; i += 4) { + for (j = 0; j < 4; j++) + hevc->rpm_param.l.data[i + j] = + rpm_vaddr[i + 3 - j]; + } +} + +static void codec_hevc_resume(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + + if (codec_hevc_setup_buffers(sess, &hevc->common, hevc->is_10bit)) { + amvdec_abort(sess); + return; + } + + codec_hevc_setup_decode_head(sess, hevc->is_10bit); + codec_hevc_process_segment_header(sess); + if (codec_hevc_process_segment(sess)) + amvdec_abort(sess); +} + +static irqreturn_t codec_hevc_threaded_isr(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc = sess->priv; + u32 dec_status = amvdec_read_dos(core, HEVC_DEC_STATUS_REG); + + if (!hevc) + return IRQ_HANDLED; + + mutex_lock(&hevc->lock); + if (dec_status != HEVC_SLICE_SEGMENT_DONE) { + dev_err(core->dev_dec, "Unrecognized dec_status: %08X\n", + dec_status); + amvdec_abort(sess); + goto unlock; + } + + sess->keyframe_found = 1; + codec_hevc_fetch_rpm(sess); + if (codec_hevc_process_rpm(hevc)) { + amvdec_src_change(sess, hevc->dst_width, hevc->dst_height, 16, + hevc->is_10bit ? 10 : 8); + goto unlock; + } + + codec_hevc_process_segment_header(sess); + if (codec_hevc_process_segment(sess)) + amvdec_abort(sess); + +unlock: + mutex_unlock(&hevc->lock); + return IRQ_HANDLED; +} + +static irqreturn_t codec_hevc_isr(struct amvdec_session *sess) +{ + return IRQ_WAKE_THREAD; +} + +struct amvdec_codec_ops codec_hevc_ops = { + .start = codec_hevc_start, + .stop = codec_hevc_stop, + .isr = codec_hevc_isr, + .threaded_isr = codec_hevc_threaded_isr, + .num_pending_bufs = codec_hevc_num_pending_bufs, + .drain = codec_hevc_flush_output, + .resume = codec_hevc_resume, +}; diff --git a/drivers/staging/media/meson/vdec/codec_hevc.h b/drivers/staging/media/meson/vdec/codec_hevc.h new file mode 100644 index 000000000000..f2f9b2464df1 --- /dev/null +++ b/drivers/staging/media/meson/vdec/codec_hevc.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2018 Maxime Jourdan + */ + +#ifndef __MESON_VDEC_CODEC_HEVC_H_ +#define __MESON_VDEC_CODEC_HEVC_H_ + +#include "vdec.h" + +extern struct amvdec_codec_ops codec_hevc_ops; + +#endif diff --git a/drivers/staging/media/meson/vdec/esparser.c b/drivers/staging/media/meson/vdec/esparser.c index 3cd29ab4f979..6988348ce714 100644 --- a/drivers/staging/media/meson/vdec/esparser.c +++ b/drivers/staging/media/meson/vdec/esparser.c @@ -310,7 +310,8 @@ esparser_queue(struct amvdec_session *sess, struct vb2_v4l2_buffer *vbuf) * they could pause when there is no capture buffer available and * resume on this notification. */ - if (sess->fmt_out->pixfmt == V4L2_PIX_FMT_VP9) { + if (sess->fmt_out->pixfmt == V4L2_PIX_FMT_VP9 || + sess->fmt_out->pixfmt == V4L2_PIX_FMT_HEVC) { if (codec_ops->num_pending_bufs) num_dst_bufs = codec_ops->num_pending_bufs(sess); diff --git a/drivers/staging/media/meson/vdec/hevc_regs.h b/drivers/staging/media/meson/vdec/hevc_regs.h index 0392f41a1eed..e7eabdd2b119 100644 --- a/drivers/staging/media/meson/vdec/hevc_regs.h +++ b/drivers/staging/media/meson/vdec/hevc_regs.h @@ -205,6 +205,7 @@ #define HEVC_CM_HEADER_START_ADDR 0xd8a0 #define HEVC_CM_HEADER_LENGTH 0xd8a4 #define HEVC_CM_HEADER_OFFSET 0xd8ac +#define HEVC_SAO_CTRL9 0xd8b4 #define HEVC_SAO_MMU_VH0_ADDR 0xd8e8 #define HEVC_SAO_MMU_VH1_ADDR 0xd8ec diff --git a/drivers/staging/media/meson/vdec/vdec_platform.c b/drivers/staging/media/meson/vdec/vdec_platform.c index 88c9d72e1c83..ea2aa0e8cf0b 100644 --- a/drivers/staging/media/meson/vdec/vdec_platform.c +++ b/drivers/staging/media/meson/vdec/vdec_platform.c @@ -11,10 +11,23 @@ #include "vdec_hevc.h" #include "codec_mpeg12.h" #include "codec_h264.h" +#include "codec_hevc.h" #include "codec_vp9.h" static const struct amvdec_format vdec_formats_gxbb[] = { { + .pixfmt = V4L2_PIX_FMT_HEVC, + .min_buffers = 4, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_hevc_ops, + .codec_ops = &codec_hevc_ops, + .firmware_path = "meson/vdec/gxl_hevc.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { .pixfmt = V4L2_PIX_FMT_H264, .min_buffers = 2, .max_buffers = 24, @@ -64,6 +77,18 @@ static const struct amvdec_format vdec_formats_gxl[] = { .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, .flags = V4L2_FMT_FLAG_COMPRESSED | V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { + .pixfmt = V4L2_PIX_FMT_HEVC, + .min_buffers = 4, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_hevc_ops, + .codec_ops = &codec_hevc_ops, + .firmware_path = "meson/vdec/gxl_hevc.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, }, { .pixfmt = V4L2_PIX_FMT_H264, .min_buffers = 2, @@ -114,6 +139,18 @@ static const struct amvdec_format vdec_formats_gxm[] = { .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, .flags = V4L2_FMT_FLAG_COMPRESSED | V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { + .pixfmt = V4L2_PIX_FMT_HEVC, + .min_buffers = 4, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_hevc_ops, + .codec_ops = &codec_hevc_ops, + .firmware_path = "meson/vdec/gxl_hevc.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, }, { .pixfmt = V4L2_PIX_FMT_H264, .min_buffers = 2,