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Signed-off-by: Changhuang Liang --- drivers/staging/media/starfive/camss/Makefile | 2 + .../staging/media/starfive/camss/stf-camss.c | 19 +- .../staging/media/starfive/camss/stf-camss.h | 3 + .../media/starfive/camss/stf-isp-params.c | 238 ++++++++++++++++++ .../staging/media/starfive/camss/stf-isp.h | 4 + .../staging/media/starfive/camss/stf-output.c | 83 ++++++ .../staging/media/starfive/camss/stf-output.h | 22 ++ 7 files changed, 370 insertions(+), 1 deletion(-) create mode 100644 drivers/staging/media/starfive/camss/stf-isp-params.c create mode 100644 drivers/staging/media/starfive/camss/stf-output.c create mode 100644 drivers/staging/media/starfive/camss/stf-output.h diff --git a/drivers/staging/media/starfive/camss/Makefile b/drivers/staging/media/starfive/camss/Makefile index 411b45f3fb52..077165cbba7a 100644 --- a/drivers/staging/media/starfive/camss/Makefile +++ b/drivers/staging/media/starfive/camss/Makefile @@ -9,6 +9,8 @@ starfive-camss-objs += \ stf-capture.o \ stf-isp.o \ stf-isp-hw-ops.o \ + stf-isp-params.o \ + stf-output.o \ stf-video.o obj-$(CONFIG_VIDEO_STARFIVE_CAMSS) += starfive-camss.o diff --git a/drivers/staging/media/starfive/camss/stf-camss.c b/drivers/staging/media/starfive/camss/stf-camss.c index 3175d0d9a05c..51357f905a42 100644 --- a/drivers/staging/media/starfive/camss/stf-camss.c +++ b/drivers/staging/media/starfive/camss/stf-camss.c @@ -127,6 +127,7 @@ static int stfcamss_register_devs(struct stfcamss *stfcamss) { struct stf_capture *cap_yuv = &stfcamss->captures[STF_CAPTURE_YUV]; struct stf_capture *cap_scd = &stfcamss->captures[STF_CAPTURE_SCD]; + struct stf_output *output = &stfcamss->output; struct stf_isp_dev *isp_dev = &stfcamss->isp_dev; int ret; @@ -137,13 +138,26 @@ static int stfcamss_register_devs(struct stfcamss *stfcamss) return ret; } - ret = stf_capture_register(stfcamss, &stfcamss->v4l2_dev); + ret = stf_output_register(stfcamss, &stfcamss->v4l2_dev); if (ret < 0) { dev_err(stfcamss->dev, "failed to register capture: %d\n", ret); goto err_isp_unregister; } + ret = stf_capture_register(stfcamss, &stfcamss->v4l2_dev); + if (ret < 0) { + dev_err(stfcamss->dev, + "failed to register capture: %d\n", ret); + goto err_out_unregister; + } + + ret = media_create_pad_link(&output->video.vdev.entity, 0, + &isp_dev->subdev.entity, STF_ISP_PAD_SINK_PARAMS, + 0); + if (ret) + goto err_cap_unregister; + ret = media_create_pad_link(&isp_dev->subdev.entity, STF_ISP_PAD_SRC, &cap_yuv->video.vdev.entity, 0, 0); if (ret) @@ -162,6 +176,8 @@ static int stfcamss_register_devs(struct stfcamss *stfcamss) err_cap_unregister: stf_capture_unregister(stfcamss); +err_out_unregister: + stf_output_unregister(stfcamss); err_isp_unregister: stf_isp_unregister(&stfcamss->isp_dev); @@ -172,6 +188,7 @@ static void stfcamss_unregister_devs(struct stfcamss *stfcamss) { stf_isp_unregister(&stfcamss->isp_dev); stf_capture_unregister(stfcamss); + stf_output_unregister(stfcamss); } static int stfcamss_subdev_notifier_bound(struct v4l2_async_notifier *async, diff --git a/drivers/staging/media/starfive/camss/stf-camss.h b/drivers/staging/media/starfive/camss/stf-camss.h index ae49c7031ab7..3f84f1a1e997 100644 --- a/drivers/staging/media/starfive/camss/stf-camss.h +++ b/drivers/staging/media/starfive/camss/stf-camss.h @@ -21,6 +21,7 @@ #include "stf-buffer.h" #include "stf-isp.h" #include "stf-capture.h" +#include "stf-output.h" enum stf_port_num { STF_PORT_DVP = 0, @@ -55,6 +56,7 @@ struct stfcamss { struct device *dev; struct stf_isp_dev isp_dev; struct stf_capture captures[STF_CAPTURE_NUM]; + struct stf_output output; struct v4l2_async_notifier notifier; void __iomem *syscon_base; void __iomem *isp_base; @@ -132,4 +134,5 @@ static inline void stf_syscon_reg_clear_bit(struct stfcamss *stfcamss, value = ioread32(stfcamss->syscon_base + reg); iowrite32(value & ~bit_mask, stfcamss->syscon_base + reg); } + #endif /* STF_CAMSS_H */ diff --git a/drivers/staging/media/starfive/camss/stf-isp-params.c b/drivers/staging/media/starfive/camss/stf-isp-params.c new file mode 100644 index 000000000000..dbf50f31709e --- /dev/null +++ b/drivers/staging/media/starfive/camss/stf-isp-params.c @@ -0,0 +1,238 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * stf-isp-params.c + * + * StarFive Camera Subsystem - V4L2 device node + * + * Copyright (C) 2021-2023 StarFive Technology Co., Ltd. + */ + +#include + +#include "stf-camss.h" +#include "stf-video.h" + +static inline struct stfcamss_buffer * +to_stfcamss_buffer(struct vb2_v4l2_buffer *vbuf) +{ + return container_of(vbuf, struct stfcamss_buffer, vb); +} + +static int stf_isp_params_queue_setup(struct vb2_queue *q, + unsigned int *num_buffers, + unsigned int *num_planes, + unsigned int sizes[], + struct device *alloc_devs[]) +{ + *num_planes = 1; + sizes[0] = sizeof(struct jh7110_isp_params_buffer); + + return 0; +} + +static int stf_isp_params_buf_init(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct stfcamss_buffer *buffer = to_stfcamss_buffer(vbuf); + dma_addr_t *paddr; + + paddr = vb2_plane_cookie(vb, 0); + buffer->addr[0] = *paddr; + buffer->vaddr = vb2_plane_vaddr(vb, 0); + + return 0; +} + +static int stf_isp_params_buf_prepare(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + + if (sizeof(struct jh7110_isp_params_buffer) > vb2_plane_size(vb, 0)) + return -EINVAL; + + vb2_set_plane_payload(vb, 0, sizeof(struct jh7110_isp_params_buffer)); + + vbuf->field = V4L2_FIELD_NONE; + + return 0; +} + +static void stf_isp_params_buf_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct stfcamss_video *video = vb2_get_drv_priv(vb->vb2_queue); + struct stfcamss_buffer *buffer = to_stfcamss_buffer(vbuf); + + video->ops->queue_buffer(video, buffer); +} + +static void stf_isp_params_stop_streaming(struct vb2_queue *q) +{ + struct stfcamss_video *video = vb2_get_drv_priv(q); + + video->ops->flush_buffers(video, VB2_BUF_STATE_ERROR); +} + +static const struct vb2_ops stf_isp_params_vb2_q_ops = { + .queue_setup = stf_isp_params_queue_setup, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, + .buf_init = stf_isp_params_buf_init, + .buf_prepare = stf_isp_params_buf_prepare, + .buf_queue = stf_isp_params_buf_queue, + .stop_streaming = stf_isp_params_stop_streaming, +}; + +static int stf_isp_params_init_format(struct stfcamss_video *video) +{ + video->active_fmt.fmt.meta.dataformat = V4L2_META_FMT_STF_ISP_PARAMS; + video->active_fmt.fmt.meta.buffersize = sizeof(struct jh7110_isp_params_buffer); + + return 0; +} + +static int stf_isp_params_querycap(struct file *file, void *fh, + struct v4l2_capability *cap) +{ + strscpy(cap->driver, "starfive-camss", sizeof(cap->driver)); + strscpy(cap->card, "Starfive Camera Subsystem", sizeof(cap->card)); + + return 0; +} + +static int stf_isp_params_enum_fmt(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + struct stfcamss_video *video = video_drvdata(file); + + if (f->index > 0 || f->type != video->type) + return -EINVAL; + + f->pixelformat = video->active_fmt.fmt.meta.dataformat; + return 0; +} + +static int stf_isp_params_g_fmt(struct file *file, void *fh, struct v4l2_format *f) +{ + struct stfcamss_video *video = video_drvdata(file); + struct v4l2_meta_format *meta = &f->fmt.meta; + + if (f->type != video->type) + return -EINVAL; + + meta->dataformat = video->active_fmt.fmt.meta.dataformat; + meta->buffersize = video->active_fmt.fmt.meta.buffersize; + + return 0; +} + +static const struct v4l2_ioctl_ops stf_isp_params_ioctl_ops = { + .vidioc_querycap = stf_isp_params_querycap, + .vidioc_enum_fmt_meta_out = stf_isp_params_enum_fmt, + .vidioc_g_fmt_meta_out = stf_isp_params_g_fmt, + .vidioc_s_fmt_meta_out = stf_isp_params_g_fmt, + .vidioc_try_fmt_meta_out = stf_isp_params_g_fmt, + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_expbuf = vb2_ioctl_expbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_create_bufs = vb2_ioctl_create_bufs, + .vidioc_prepare_buf = vb2_ioctl_prepare_buf, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, +}; + +static const struct v4l2_file_operations stf_isp_params_fops = { + .owner = THIS_MODULE, + .unlocked_ioctl = video_ioctl2, + .open = v4l2_fh_open, + .release = vb2_fop_release, + .poll = vb2_fop_poll, + .mmap = vb2_fop_mmap, + .read = vb2_fop_read, +}; + +static void stf_isp_params_release(struct video_device *vdev) +{ + struct stfcamss_video *video = video_get_drvdata(vdev); + + media_entity_cleanup(&vdev->entity); + + mutex_destroy(&video->q_lock); + mutex_destroy(&video->lock); +} + +int stf_isp_params_register(struct stfcamss_video *video, + struct v4l2_device *v4l2_dev, + const char *name) +{ + struct video_device *vdev = &video->vdev; + struct vb2_queue *q; + struct media_pad *pad = &video->pad; + int ret; + + mutex_init(&video->q_lock); + mutex_init(&video->lock); + + q = &video->vb2_q; + q->drv_priv = video; + q->mem_ops = &vb2_dma_contig_memops; + q->ops = &stf_isp_params_vb2_q_ops; + q->type = video->type; + q->io_modes = VB2_DMABUF | VB2_MMAP; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->buf_struct_size = sizeof(struct stfcamss_buffer); + q->dev = video->stfcamss->dev; + q->lock = &video->q_lock; + q->min_queued_buffers = STFCAMSS_MIN_BUFFERS; + ret = vb2_queue_init(q); + if (ret < 0) { + dev_err(video->stfcamss->dev, + "Failed to init vb2 queue: %d\n", ret); + goto err_mutex_destroy; + } + + pad->flags = MEDIA_PAD_FL_SOURCE; + ret = media_entity_pads_init(&vdev->entity, 1, pad); + if (ret < 0) { + dev_err(video->stfcamss->dev, + "Failed to init video entity: %d\n", ret); + goto err_mutex_destroy; + } + + ret = stf_isp_params_init_format(video); + if (ret < 0) { + dev_err(video->stfcamss->dev, + "Failed to init format: %d\n", ret); + goto err_media_cleanup; + } + vdev->ioctl_ops = &stf_isp_params_ioctl_ops; + vdev->device_caps = V4L2_CAP_META_OUTPUT; + vdev->fops = &stf_isp_params_fops; + vdev->device_caps |= V4L2_CAP_STREAMING | V4L2_CAP_IO_MC; + vdev->vfl_dir = VFL_DIR_TX; + vdev->release = stf_isp_params_release; + vdev->v4l2_dev = v4l2_dev; + vdev->queue = &video->vb2_q; + vdev->lock = &video->lock; + strscpy(vdev->name, name, sizeof(vdev->name)); + + video_set_drvdata(vdev, video); + + ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); + if (ret < 0) { + dev_err(video->stfcamss->dev, + "Failed to register video device: %d\n", ret); + goto err_media_cleanup; + } + + return 0; + +err_media_cleanup: + media_entity_cleanup(&vdev->entity); +err_mutex_destroy: + mutex_destroy(&video->lock); + mutex_destroy(&video->q_lock); + return ret; +} diff --git a/drivers/staging/media/starfive/camss/stf-isp.h b/drivers/staging/media/starfive/camss/stf-isp.h index eca3ba1ade75..76ea943bfe98 100644 --- a/drivers/staging/media/starfive/camss/stf-isp.h +++ b/drivers/staging/media/starfive/camss/stf-isp.h @@ -474,4 +474,8 @@ void stf_set_scd_addr(struct stfcamss *stfcamss, dma_addr_t yhist_addr, dma_addr_t scd_addr, enum stf_isp_type_scd type_scd); +int stf_isp_params_register(struct stfcamss_video *video, + struct v4l2_device *v4l2_dev, + const char *name); + #endif /* STF_ISP_H */ diff --git a/drivers/staging/media/starfive/camss/stf-output.c b/drivers/staging/media/starfive/camss/stf-output.c new file mode 100644 index 000000000000..8eaf4979cafa --- /dev/null +++ b/drivers/staging/media/starfive/camss/stf-output.c @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive Camera Subsystem - output device + * + * Copyright (C) 2023 StarFive Technology Co., Ltd. + */ + +#include "stf-camss.h" + +static inline struct stf_output *to_stf_output(struct stfcamss_video *video) +{ + return container_of(video, struct stf_output, video); +} + +static int stf_output_queue_buffer(struct stfcamss_video *video, + struct stfcamss_buffer *buf) +{ + struct stf_output *output = to_stf_output(video); + struct stf_v_buf *v_bufs = &output->buffers; + unsigned long flags; + + spin_lock_irqsave(&v_bufs->lock, flags); + stf_buf_add_ready(v_bufs, buf); + spin_unlock_irqrestore(&v_bufs->lock, flags); + + return 0; +} + +static int stf_output_flush_buffers(struct stfcamss_video *video, + enum vb2_buffer_state state) +{ + struct stf_output *output = to_stf_output(video); + struct stf_v_buf *v_bufs = &output->buffers; + unsigned long flags; + + spin_lock_irqsave(&v_bufs->lock, flags); + stf_buf_flush(v_bufs, state); + spin_unlock_irqrestore(&v_bufs->lock, flags); + + return 0; +} + +static const struct stfcamss_video_ops stf_output_ops = { + .queue_buffer = stf_output_queue_buffer, + .flush_buffers = stf_output_flush_buffers, +}; + +static void stf_output_init(struct stfcamss *stfcamss, struct stf_output *out) +{ + out->buffers.state = STF_OUTPUT_OFF; + out->buffers.buf[0] = NULL; + out->buffers.buf[1] = NULL; + out->buffers.active_buf = 0; + INIT_LIST_HEAD(&out->buffers.pending_bufs); + INIT_LIST_HEAD(&out->buffers.ready_bufs); + spin_lock_init(&out->buffers.lock); + + out->video.stfcamss = stfcamss; + out->video.type = V4L2_BUF_TYPE_META_OUTPUT; +} + +void stf_output_unregister(struct stfcamss *stfcamss) +{ + struct stf_output *output = &stfcamss->output; + + if (!video_is_registered(&output->video.vdev)) + return; + + media_entity_cleanup(&output->video.vdev.entity); + vb2_video_unregister_device(&output->video.vdev); +} + +int stf_output_register(struct stfcamss *stfcamss, + struct v4l2_device *v4l2_dev) +{ + struct stf_output *output = &stfcamss->output; + + output->video.ops = &stf_output_ops; + stf_output_init(stfcamss, output); + stf_isp_params_register(&output->video, v4l2_dev, "output_params"); + + return 0; +} diff --git a/drivers/staging/media/starfive/camss/stf-output.h b/drivers/staging/media/starfive/camss/stf-output.h new file mode 100644 index 000000000000..d3591a0b609b --- /dev/null +++ b/drivers/staging/media/starfive/camss/stf-output.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Starfive Camera Subsystem driver + * + * Copyright (C) 2023 StarFive Technology Co., Ltd. + */ + +#ifndef STF_OUTPUT_H +#define STF_OUTPUT_H + +#include "stf-video.h" + +struct stf_output { + struct stfcamss_video video; + struct stf_v_buf buffers; +}; + +int stf_output_register(struct stfcamss *stfcamss, + struct v4l2_device *v4l2_dev); +void stf_output_unregister(struct stfcamss *stfcamss); + +#endif