#include <media/videobuf2-v4l2.h>
#include "sun6i_csi.h"
-#include "sun6i_video.h"
+#include "sun6i_csi_capture.h"
/* This is got from BSP sources. */
#define MIN_WIDTH (32)
/* Helpers */
static struct v4l2_subdev *
-sun6i_video_remote_subdev(struct sun6i_video *video, u32 *pad)
+sun6i_csi_capture_remote_subdev(struct sun6i_csi_capture *capture, u32 *pad)
{
struct media_pad *remote;
- remote = media_pad_remote_pad_first(&video->pad);
+ remote = media_pad_remote_pad_first(&capture->pad);
if (!remote || !is_media_entity_v4l2_subdev(remote->entity))
return NULL;
/* Format */
-static const u32 sun6i_video_formats[] = {
+static const u32 sun6i_csi_capture_formats[] = {
V4L2_PIX_FMT_SBGGR8,
V4L2_PIX_FMT_SGBRG8,
V4L2_PIX_FMT_SGRBG8,
V4L2_PIX_FMT_JPEG,
};
-static bool sun6i_video_format_check(u32 format)
+static bool sun6i_csi_capture_format_check(u32 format)
{
unsigned int i;
- for (i = 0; i < ARRAY_SIZE(sun6i_video_formats); i++)
- if (sun6i_video_formats[i] == format)
+ for (i = 0; i < ARRAY_SIZE(sun6i_csi_capture_formats); i++)
+ if (sun6i_csi_capture_formats[i] == format)
return true;
return false;
}
-/* Video */
+/* Capture */
-static void sun6i_video_buffer_configure(struct sun6i_csi_device *csi_dev,
- struct sun6i_csi_buffer *csi_buffer)
+static void
+sun6i_csi_capture_buffer_configure(struct sun6i_csi_device *csi_dev,
+ struct sun6i_csi_buffer *csi_buffer)
{
csi_buffer->queued_to_csi = true;
sun6i_csi_update_buf_addr(csi_dev, csi_buffer->dma_addr);
}
-static void sun6i_video_configure(struct sun6i_csi_device *csi_dev)
+static void sun6i_csi_capture_configure(struct sun6i_csi_device *csi_dev)
{
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
struct sun6i_csi_config config = { 0 };
- config.pixelformat = video->format.fmt.pix.pixelformat;
- config.code = video->mbus_code;
- config.field = video->format.fmt.pix.field;
- config.width = video->format.fmt.pix.width;
- config.height = video->format.fmt.pix.height;
+ config.pixelformat = capture->format.fmt.pix.pixelformat;
+ config.code = capture->mbus_code;
+ config.field = capture->format.fmt.pix.field;
+ config.width = capture->format.fmt.pix.width;
+ config.height = capture->format.fmt.pix.height;
sun6i_csi_update_config(csi_dev, &config);
}
/* Queue */
-static int sun6i_video_queue_setup(struct vb2_queue *queue,
- unsigned int *buffers_count,
- unsigned int *planes_count,
- unsigned int sizes[],
- struct device *alloc_devs[])
+static int sun6i_csi_capture_queue_setup(struct vb2_queue *queue,
+ unsigned int *buffers_count,
+ unsigned int *planes_count,
+ unsigned int sizes[],
+ struct device *alloc_devs[])
{
struct sun6i_csi_device *csi_dev = vb2_get_drv_priv(queue);
- struct sun6i_video *video = &csi_dev->video;
- unsigned int size = video->format.fmt.pix.sizeimage;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
+ unsigned int size = capture->format.fmt.pix.sizeimage;
if (*planes_count)
return sizes[0] < size ? -EINVAL : 0;
return 0;
}
-static int sun6i_video_buffer_prepare(struct vb2_buffer *buffer)
+static int sun6i_csi_capture_buffer_prepare(struct vb2_buffer *buffer)
{
struct sun6i_csi_device *csi_dev = vb2_get_drv_priv(buffer->vb2_queue);
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
struct v4l2_device *v4l2_dev = &csi_dev->v4l2.v4l2_dev;
struct vb2_v4l2_buffer *v4l2_buffer = to_vb2_v4l2_buffer(buffer);
struct sun6i_csi_buffer *csi_buffer =
container_of(v4l2_buffer, struct sun6i_csi_buffer, v4l2_buffer);
- unsigned long size = video->format.fmt.pix.sizeimage;
+ unsigned long size = capture->format.fmt.pix.sizeimage;
if (vb2_plane_size(buffer, 0) < size) {
v4l2_err(v4l2_dev, "buffer too small (%lu < %lu)\n",
vb2_set_plane_payload(buffer, 0, size);
csi_buffer->dma_addr = vb2_dma_contig_plane_dma_addr(buffer, 0);
- v4l2_buffer->field = video->format.fmt.pix.field;
+ v4l2_buffer->field = capture->format.fmt.pix.field;
return 0;
}
-static void sun6i_video_buffer_queue(struct vb2_buffer *buffer)
+static void sun6i_csi_capture_buffer_queue(struct vb2_buffer *buffer)
{
struct sun6i_csi_device *csi_dev = vb2_get_drv_priv(buffer->vb2_queue);
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
struct vb2_v4l2_buffer *v4l2_buffer = to_vb2_v4l2_buffer(buffer);
struct sun6i_csi_buffer *csi_buffer =
container_of(v4l2_buffer, struct sun6i_csi_buffer, v4l2_buffer);
unsigned long flags;
- spin_lock_irqsave(&video->dma_queue_lock, flags);
+ spin_lock_irqsave(&capture->dma_queue_lock, flags);
csi_buffer->queued_to_csi = false;
- list_add_tail(&csi_buffer->list, &video->dma_queue);
- spin_unlock_irqrestore(&video->dma_queue_lock, flags);
+ list_add_tail(&csi_buffer->list, &capture->dma_queue);
+ spin_unlock_irqrestore(&capture->dma_queue_lock, flags);
}
-static int sun6i_video_start_streaming(struct vb2_queue *queue,
- unsigned int count)
+static int sun6i_csi_capture_start_streaming(struct vb2_queue *queue,
+ unsigned int count)
{
struct sun6i_csi_device *csi_dev = vb2_get_drv_priv(queue);
- struct sun6i_video *video = &csi_dev->video;
- struct video_device *video_dev = &video->video_dev;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
+ struct video_device *video_dev = &capture->video_dev;
struct sun6i_csi_buffer *buf;
struct sun6i_csi_buffer *next_buf;
struct v4l2_subdev *subdev;
unsigned long flags;
int ret;
- video->sequence = 0;
+ capture->sequence = 0;
ret = video_device_pipeline_alloc_start(video_dev);
if (ret < 0)
goto error_dma_queue_flush;
- if (video->mbus_code == 0) {
+ if (capture->mbus_code == 0) {
ret = -EINVAL;
goto error_media_pipeline;
}
- subdev = sun6i_video_remote_subdev(video, NULL);
+ subdev = sun6i_csi_capture_remote_subdev(capture, NULL);
if (!subdev) {
ret = -EINVAL;
goto error_media_pipeline;
}
- sun6i_video_configure(csi_dev);
+ sun6i_csi_capture_configure(csi_dev);
- spin_lock_irqsave(&video->dma_queue_lock, flags);
+ spin_lock_irqsave(&capture->dma_queue_lock, flags);
- buf = list_first_entry(&video->dma_queue,
+ buf = list_first_entry(&capture->dma_queue,
struct sun6i_csi_buffer, list);
- sun6i_video_buffer_configure(csi_dev, buf);
+ sun6i_csi_capture_buffer_configure(csi_dev, buf);
sun6i_csi_set_stream(csi_dev, true);
* would also drop frame when lacking of queued buffer.
*/
next_buf = list_next_entry(buf, list);
- sun6i_video_buffer_configure(csi_dev, next_buf);
+ sun6i_csi_capture_buffer_configure(csi_dev, next_buf);
- spin_unlock_irqrestore(&video->dma_queue_lock, flags);
+ spin_unlock_irqrestore(&capture->dma_queue_lock, flags);
ret = v4l2_subdev_call(subdev, video, s_stream, 1);
if (ret && ret != -ENOIOCTLCMD)
video_device_pipeline_stop(video_dev);
error_dma_queue_flush:
- spin_lock_irqsave(&video->dma_queue_lock, flags);
- list_for_each_entry(buf, &video->dma_queue, list)
+ spin_lock_irqsave(&capture->dma_queue_lock, flags);
+ list_for_each_entry(buf, &capture->dma_queue, list)
vb2_buffer_done(&buf->v4l2_buffer.vb2_buf,
VB2_BUF_STATE_QUEUED);
- INIT_LIST_HEAD(&video->dma_queue);
- spin_unlock_irqrestore(&video->dma_queue_lock, flags);
+ INIT_LIST_HEAD(&capture->dma_queue);
+ spin_unlock_irqrestore(&capture->dma_queue_lock, flags);
return ret;
}
-static void sun6i_video_stop_streaming(struct vb2_queue *queue)
+static void sun6i_csi_capture_stop_streaming(struct vb2_queue *queue)
{
struct sun6i_csi_device *csi_dev = vb2_get_drv_priv(queue);
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
struct v4l2_subdev *subdev;
unsigned long flags;
struct sun6i_csi_buffer *buf;
- subdev = sun6i_video_remote_subdev(video, NULL);
+ subdev = sun6i_csi_capture_remote_subdev(capture, NULL);
if (subdev)
v4l2_subdev_call(subdev, video, s_stream, 0);
sun6i_csi_set_stream(csi_dev, false);
- video_device_pipeline_stop(&video->video_dev);
+ video_device_pipeline_stop(&capture->video_dev);
/* Release all active buffers */
- spin_lock_irqsave(&video->dma_queue_lock, flags);
- list_for_each_entry(buf, &video->dma_queue, list)
+ spin_lock_irqsave(&capture->dma_queue_lock, flags);
+ list_for_each_entry(buf, &capture->dma_queue, list)
vb2_buffer_done(&buf->v4l2_buffer.vb2_buf, VB2_BUF_STATE_ERROR);
- INIT_LIST_HEAD(&video->dma_queue);
- spin_unlock_irqrestore(&video->dma_queue_lock, flags);
+ INIT_LIST_HEAD(&capture->dma_queue);
+ spin_unlock_irqrestore(&capture->dma_queue_lock, flags);
}
-void sun6i_video_frame_done(struct sun6i_csi_device *csi_dev)
+void sun6i_csi_capture_frame_done(struct sun6i_csi_device *csi_dev)
{
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
struct sun6i_csi_buffer *buf;
struct sun6i_csi_buffer *next_buf;
struct vb2_v4l2_buffer *v4l2_buffer;
- spin_lock(&video->dma_queue_lock);
+ spin_lock(&capture->dma_queue_lock);
- buf = list_first_entry(&video->dma_queue,
+ buf = list_first_entry(&capture->dma_queue,
struct sun6i_csi_buffer, list);
- if (list_is_last(&buf->list, &video->dma_queue)) {
+ if (list_is_last(&buf->list, &capture->dma_queue)) {
dev_dbg(csi_dev->dev, "Frame dropped!\n");
goto complete;
}
* for next ISR call.
*/
if (!next_buf->queued_to_csi) {
- sun6i_video_buffer_configure(csi_dev, next_buf);
+ sun6i_csi_capture_buffer_configure(csi_dev, next_buf);
dev_dbg(csi_dev->dev, "Frame dropped!\n");
goto complete;
}
list_del(&buf->list);
v4l2_buffer = &buf->v4l2_buffer;
v4l2_buffer->vb2_buf.timestamp = ktime_get_ns();
- v4l2_buffer->sequence = video->sequence;
+ v4l2_buffer->sequence = capture->sequence;
vb2_buffer_done(&v4l2_buffer->vb2_buf, VB2_BUF_STATE_DONE);
/* Prepare buffer for next frame but one. */
- if (!list_is_last(&next_buf->list, &video->dma_queue)) {
+ if (!list_is_last(&next_buf->list, &capture->dma_queue)) {
next_buf = list_next_entry(next_buf, list);
- sun6i_video_buffer_configure(csi_dev, next_buf);
+ sun6i_csi_capture_buffer_configure(csi_dev, next_buf);
} else {
dev_dbg(csi_dev->dev, "Next frame will be dropped!\n");
}
complete:
- video->sequence++;
- spin_unlock(&video->dma_queue_lock);
+ capture->sequence++;
+ spin_unlock(&capture->dma_queue_lock);
}
-static const struct vb2_ops sun6i_video_queue_ops = {
- .queue_setup = sun6i_video_queue_setup,
- .buf_prepare = sun6i_video_buffer_prepare,
- .buf_queue = sun6i_video_buffer_queue,
- .start_streaming = sun6i_video_start_streaming,
- .stop_streaming = sun6i_video_stop_streaming,
+static const struct vb2_ops sun6i_csi_capture_queue_ops = {
+ .queue_setup = sun6i_csi_capture_queue_setup,
+ .buf_prepare = sun6i_csi_capture_buffer_prepare,
+ .buf_queue = sun6i_csi_capture_buffer_queue,
+ .start_streaming = sun6i_csi_capture_start_streaming,
+ .stop_streaming = sun6i_csi_capture_stop_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
};
/* V4L2 Device */
-static int sun6i_video_querycap(struct file *file, void *private,
- struct v4l2_capability *capability)
+static int sun6i_csi_capture_querycap(struct file *file, void *private,
+ struct v4l2_capability *capability)
{
struct sun6i_csi_device *csi_dev = video_drvdata(file);
- struct video_device *video_dev = &csi_dev->video.video_dev;
+ struct video_device *video_dev = &csi_dev->capture.video_dev;
strscpy(capability->driver, SUN6I_CSI_NAME, sizeof(capability->driver));
strscpy(capability->card, video_dev->name, sizeof(capability->card));
return 0;
}
-static int sun6i_video_enum_fmt(struct file *file, void *private,
- struct v4l2_fmtdesc *fmtdesc)
+static int sun6i_csi_capture_enum_fmt(struct file *file, void *private,
+ struct v4l2_fmtdesc *fmtdesc)
{
u32 index = fmtdesc->index;
- if (index >= ARRAY_SIZE(sun6i_video_formats))
+ if (index >= ARRAY_SIZE(sun6i_csi_capture_formats))
return -EINVAL;
- fmtdesc->pixelformat = sun6i_video_formats[index];
+ fmtdesc->pixelformat = sun6i_csi_capture_formats[index];
return 0;
}
-static int sun6i_video_g_fmt(struct file *file, void *private,
- struct v4l2_format *format)
+static int sun6i_csi_capture_g_fmt(struct file *file, void *private,
+ struct v4l2_format *format)
{
struct sun6i_csi_device *csi_dev = video_drvdata(file);
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
- *format = video->format;
+ *format = capture->format;
return 0;
}
-static int sun6i_video_format_try(struct sun6i_video *video,
- struct v4l2_format *format)
+static int sun6i_csi_capture_format_try(struct sun6i_csi_capture *capture,
+ struct v4l2_format *format)
{
struct v4l2_pix_format *pix_format = &format->fmt.pix;
int bpp;
- if (!sun6i_video_format_check(pix_format->pixelformat))
- pix_format->pixelformat = sun6i_video_formats[0];
+ if (!sun6i_csi_capture_format_check(pix_format->pixelformat))
+ pix_format->pixelformat = sun6i_csi_capture_formats[0];
v4l_bound_align_image(&pix_format->width, MIN_WIDTH, MAX_WIDTH, 1,
&pix_format->height, MIN_HEIGHT, MAX_WIDTH, 1, 1);
return 0;
}
-static int sun6i_video_format_set(struct sun6i_video *video,
- struct v4l2_format *format)
+static int sun6i_csi_capture_format_set(struct sun6i_csi_capture *capture,
+ struct v4l2_format *format)
{
int ret;
- ret = sun6i_video_format_try(video, format);
+ ret = sun6i_csi_capture_format_try(capture, format);
if (ret)
return ret;
- video->format = *format;
+ capture->format = *format;
return 0;
}
-static int sun6i_video_s_fmt(struct file *file, void *private,
- struct v4l2_format *format)
+static int sun6i_csi_capture_s_fmt(struct file *file, void *private,
+ struct v4l2_format *format)
{
struct sun6i_csi_device *csi_dev = video_drvdata(file);
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
- if (vb2_is_busy(&video->queue))
+ if (vb2_is_busy(&capture->queue))
return -EBUSY;
- return sun6i_video_format_set(video, format);
+ return sun6i_csi_capture_format_set(capture, format);
}
-static int sun6i_video_try_fmt(struct file *file, void *private,
- struct v4l2_format *format)
+static int sun6i_csi_capture_try_fmt(struct file *file, void *private,
+ struct v4l2_format *format)
{
struct sun6i_csi_device *csi_dev = video_drvdata(file);
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
- return sun6i_video_format_try(video, format);
+ return sun6i_csi_capture_format_try(capture, format);
}
-static int sun6i_video_enum_input(struct file *file, void *private,
- struct v4l2_input *input)
+static int sun6i_csi_capture_enum_input(struct file *file, void *private,
+ struct v4l2_input *input)
{
if (input->index != 0)
return -EINVAL;
return 0;
}
-static int sun6i_video_g_input(struct file *file, void *private,
- unsigned int *index)
+static int sun6i_csi_capture_g_input(struct file *file, void *private,
+ unsigned int *index)
{
*index = 0;
return 0;
}
-static int sun6i_video_s_input(struct file *file, void *private,
- unsigned int index)
+static int sun6i_csi_capture_s_input(struct file *file, void *private,
+ unsigned int index)
{
if (index != 0)
return -EINVAL;
return 0;
}
-static const struct v4l2_ioctl_ops sun6i_video_ioctl_ops = {
- .vidioc_querycap = sun6i_video_querycap,
+static const struct v4l2_ioctl_ops sun6i_csi_capture_ioctl_ops = {
+ .vidioc_querycap = sun6i_csi_capture_querycap,
- .vidioc_enum_fmt_vid_cap = sun6i_video_enum_fmt,
- .vidioc_g_fmt_vid_cap = sun6i_video_g_fmt,
- .vidioc_s_fmt_vid_cap = sun6i_video_s_fmt,
- .vidioc_try_fmt_vid_cap = sun6i_video_try_fmt,
+ .vidioc_enum_fmt_vid_cap = sun6i_csi_capture_enum_fmt,
+ .vidioc_g_fmt_vid_cap = sun6i_csi_capture_g_fmt,
+ .vidioc_s_fmt_vid_cap = sun6i_csi_capture_s_fmt,
+ .vidioc_try_fmt_vid_cap = sun6i_csi_capture_try_fmt,
- .vidioc_enum_input = sun6i_video_enum_input,
- .vidioc_g_input = sun6i_video_g_input,
- .vidioc_s_input = sun6i_video_s_input,
+ .vidioc_enum_input = sun6i_csi_capture_enum_input,
+ .vidioc_g_input = sun6i_csi_capture_g_input,
+ .vidioc_s_input = sun6i_csi_capture_s_input,
.vidioc_create_bufs = vb2_ioctl_create_bufs,
.vidioc_prepare_buf = vb2_ioctl_prepare_buf,
/* V4L2 File */
-static int sun6i_video_open(struct file *file)
+static int sun6i_csi_capture_open(struct file *file)
{
struct sun6i_csi_device *csi_dev = video_drvdata(file);
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
int ret = 0;
- if (mutex_lock_interruptible(&video->lock))
+ if (mutex_lock_interruptible(&capture->lock))
return -ERESTARTSYS;
ret = v4l2_fh_open(file);
if (ret < 0)
goto error_lock;
- ret = v4l2_pipeline_pm_get(&video->video_dev.entity);
+ ret = v4l2_pipeline_pm_get(&capture->video_dev.entity);
if (ret < 0)
goto error_v4l2_fh;
goto error_v4l2_fh;
}
- mutex_unlock(&video->lock);
+ mutex_unlock(&capture->lock);
return 0;
v4l2_fh_release(file);
error_lock:
- mutex_unlock(&video->lock);
+ mutex_unlock(&capture->lock);
return ret;
}
-static int sun6i_video_close(struct file *file)
+static int sun6i_csi_capture_close(struct file *file)
{
struct sun6i_csi_device *csi_dev = video_drvdata(file);
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
bool last_close;
- mutex_lock(&video->lock);
+ mutex_lock(&capture->lock);
last_close = v4l2_fh_is_singular_file(file);
_vb2_fop_release(file, NULL);
- v4l2_pipeline_pm_put(&video->video_dev.entity);
+ v4l2_pipeline_pm_put(&capture->video_dev.entity);
/* Power off at last close. */
if (last_close)
sun6i_csi_set_power(csi_dev, false);
- mutex_unlock(&video->lock);
+ mutex_unlock(&capture->lock);
return 0;
}
-static const struct v4l2_file_operations sun6i_video_fops = {
+static const struct v4l2_file_operations sun6i_csi_capture_fops = {
.owner = THIS_MODULE,
- .open = sun6i_video_open,
- .release = sun6i_video_close,
+ .open = sun6i_csi_capture_open,
+ .release = sun6i_csi_capture_close,
.unlocked_ioctl = video_ioctl2,
.mmap = vb2_fop_mmap,
.poll = vb2_fop_poll
/* Media Entity */
-static int sun6i_video_link_validate_get_format(struct media_pad *pad,
- struct v4l2_subdev_format *fmt)
+static int
+sun6i_csi_capture_link_validate_get_format(struct media_pad *pad,
+ struct v4l2_subdev_format *fmt)
{
if (is_media_entity_v4l2_subdev(pad->entity)) {
struct v4l2_subdev *sd =
return -EINVAL;
}
-static int sun6i_video_link_validate(struct media_link *link)
+static int sun6i_csi_capture_link_validate(struct media_link *link)
{
struct video_device *vdev = container_of(link->sink->entity,
struct video_device, entity);
struct sun6i_csi_device *csi_dev = video_get_drvdata(vdev);
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
struct v4l2_subdev_format source_fmt;
int ret;
- video->mbus_code = 0;
+ capture->mbus_code = 0;
if (!media_pad_remote_pad_first(link->sink->entity->pads)) {
- dev_info(csi_dev->dev, "video node %s pad not connected\n",
+ dev_info(csi_dev->dev, "capture node %s pad not connected\n",
vdev->name);
return -ENOLINK;
}
- ret = sun6i_video_link_validate_get_format(link->source, &source_fmt);
+ ret = sun6i_csi_capture_link_validate_get_format(link->source,
+ &source_fmt);
if (ret < 0)
return ret;
if (!sun6i_csi_is_format_supported(csi_dev,
- video->format.fmt.pix.pixelformat,
+ capture->format.fmt.pix.pixelformat,
source_fmt.format.code)) {
dev_err(csi_dev->dev,
"Unsupported pixformat: 0x%x with mbus code: 0x%x!\n",
- video->format.fmt.pix.pixelformat,
+ capture->format.fmt.pix.pixelformat,
source_fmt.format.code);
return -EPIPE;
}
- if (source_fmt.format.width != video->format.fmt.pix.width ||
- source_fmt.format.height != video->format.fmt.pix.height) {
+ if (source_fmt.format.width != capture->format.fmt.pix.width ||
+ source_fmt.format.height != capture->format.fmt.pix.height) {
dev_err(csi_dev->dev,
"Wrong width or height %ux%u (%ux%u expected)\n",
- video->format.fmt.pix.width, video->format.fmt.pix.height,
+ capture->format.fmt.pix.width,
+ capture->format.fmt.pix.height,
source_fmt.format.width, source_fmt.format.height);
return -EPIPE;
}
- video->mbus_code = source_fmt.format.code;
+ capture->mbus_code = source_fmt.format.code;
return 0;
}
-static const struct media_entity_operations sun6i_video_media_ops = {
- .link_validate = sun6i_video_link_validate
+static const struct media_entity_operations sun6i_csi_capture_media_ops = {
+ .link_validate = sun6i_csi_capture_link_validate
};
-/* Video */
+/* Capture */
-int sun6i_video_setup(struct sun6i_csi_device *csi_dev)
+int sun6i_csi_capture_setup(struct sun6i_csi_device *csi_dev)
{
- struct sun6i_video *video = &csi_dev->video;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
struct v4l2_device *v4l2_dev = &csi_dev->v4l2.v4l2_dev;
struct v4l2_subdev *bridge_subdev = &csi_dev->bridge.subdev;
- struct video_device *video_dev = &video->video_dev;
- struct vb2_queue *queue = &video->queue;
- struct media_pad *pad = &video->pad;
+ struct video_device *video_dev = &capture->video_dev;
+ struct vb2_queue *queue = &capture->queue;
+ struct media_pad *pad = &capture->pad;
struct v4l2_format format = { 0 };
struct v4l2_pix_format *pix_format = &format.fmt.pix;
int ret;
/* Media Entity */
- video_dev->entity.ops = &sun6i_video_media_ops;
+ video_dev->entity.ops = &sun6i_csi_capture_media_ops;
/* Media Pad */
/* DMA queue */
- INIT_LIST_HEAD(&video->dma_queue);
- spin_lock_init(&video->dma_queue_lock);
+ INIT_LIST_HEAD(&capture->dma_queue);
+ spin_lock_init(&capture->dma_queue_lock);
- video->sequence = 0;
+ capture->sequence = 0;
/* Queue */
- mutex_init(&video->lock);
+ mutex_init(&capture->lock);
queue->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
queue->io_modes = VB2_MMAP | VB2_DMABUF;
queue->buf_struct_size = sizeof(struct sun6i_csi_buffer);
- queue->ops = &sun6i_video_queue_ops;
+ queue->ops = &sun6i_csi_capture_queue_ops;
queue->mem_ops = &vb2_dma_contig_memops;
queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- queue->lock = &video->lock;
+ queue->lock = &capture->lock;
queue->dev = csi_dev->dev;
queue->drv_priv = csi_dev;
/* V4L2 Format */
format.type = queue->type;
- pix_format->pixelformat = sun6i_video_formats[0];
+ pix_format->pixelformat = sun6i_csi_capture_formats[0];
pix_format->width = 1280;
pix_format->height = 720;
pix_format->field = V4L2_FIELD_NONE;
- sun6i_video_format_set(video, &format);
+ sun6i_csi_capture_format_set(capture, &format);
/* Video Device */
video_dev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
video_dev->vfl_dir = VFL_DIR_RX;
video_dev->release = video_device_release_empty;
- video_dev->fops = &sun6i_video_fops;
- video_dev->ioctl_ops = &sun6i_video_ioctl_ops;
+ video_dev->fops = &sun6i_csi_capture_fops;
+ video_dev->ioctl_ops = &sun6i_csi_capture_ioctl_ops;
video_dev->v4l2_dev = v4l2_dev;
video_dev->queue = queue;
- video_dev->lock = &video->lock;
+ video_dev->lock = &capture->lock;
video_set_drvdata(video_dev, csi_dev);
error_media_entity:
media_entity_cleanup(&video_dev->entity);
- mutex_destroy(&video->lock);
+ mutex_destroy(&capture->lock);
return ret;
}
-void sun6i_video_cleanup(struct sun6i_csi_device *csi_dev)
+void sun6i_csi_capture_cleanup(struct sun6i_csi_device *csi_dev)
{
- struct sun6i_video *video = &csi_dev->video;
- struct video_device *video_dev = &video->video_dev;
+ struct sun6i_csi_capture *capture = &csi_dev->capture;
+ struct video_device *video_dev = &capture->video_dev;
vb2_video_unregister_device(video_dev);
media_entity_cleanup(&video_dev->entity);
- mutex_destroy(&video->lock);
+ mutex_destroy(&capture->lock);
}
projects / users / hch / block.git / commitdiff