for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) {
layer = disp_dev->dev[i];
- /* If streaming is started in this layer */
- if (!layer->started)
+
+ if (!vb2_start_streaming_called(&layer->buffer_queue))
continue;
if (layer->layer_first_int) {
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
"vpbe_buffer_prepare\n");
- if (vb->state != VB2_BUF_STATE_ACTIVE &&
- vb->state != VB2_BUF_STATE_PREPARED) {
- vb2_set_plane_payload(vb, 0, layer->pix_fmt.sizeimage);
- if (vb2_plane_vaddr(vb, 0) &&
- vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0))
- return -EINVAL;
+ vb2_set_plane_payload(vb, 0, layer->pix_fmt.sizeimage);
+ if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0))
+ return -EINVAL;
- addr = vb2_dma_contig_plane_dma_addr(vb, 0);
- if (q->streaming) {
- if (!IS_ALIGNED(addr, 8)) {
- v4l2_err(&vpbe_dev->v4l2_dev,
- "buffer_prepare:offset is \
- not aligned to 32 bytes\n");
- return -EINVAL;
- }
- }
+ addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+ if (!IS_ALIGNED(addr, 8)) {
+ v4l2_err(&vpbe_dev->v4l2_dev,
+ "buffer_prepare:offset is not aligned to 32 bytes\n");
+ return -EINVAL;
}
return 0;
}
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_setup\n");
+ if (fmt && fmt->fmt.pix.sizeimage < layer->pix_fmt.sizeimage)
+ return -EINVAL;
+
/* Store number of buffers allocated in numbuffer member */
- if (*nbuffers < VPBE_DEFAULT_NUM_BUFS)
- *nbuffers = layer->numbuffers = VPBE_DEFAULT_NUM_BUFS;
+ if (vq->num_buffers + *nbuffers < VPBE_DEFAULT_NUM_BUFS)
+ *nbuffers = VPBE_DEFAULT_NUM_BUFS - vq->num_buffers;
*nplanes = 1;
- sizes[0] = layer->pix_fmt.sizeimage;
+ sizes[0] = fmt ? fmt->fmt.pix.sizeimage : layer->pix_fmt.sizeimage;
alloc_ctxs[0] = layer->alloc_ctx;
return 0;
spin_unlock_irqrestore(&disp->dma_queue_lock, flags);
}
-/*
- * vpbe_buf_cleanup()
- * This function is called from the vb2 layer to free memory allocated to
- * the buffers
- */
-static void vpbe_buf_cleanup(struct vb2_buffer *vb)
-{
- /* Get the file handle object and layer object */
- struct vpbe_layer *layer = vb2_get_drv_priv(vb->vb2_queue);
- struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
- struct vpbe_disp_buffer *buf = container_of(vb,
- struct vpbe_disp_buffer, vb);
- unsigned long flags;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
- "vpbe_buf_cleanup\n");
-
- spin_lock_irqsave(&layer->irqlock, flags);
- if (vb->state == VB2_BUF_STATE_ACTIVE)
- list_del_init(&buf->list);
- spin_unlock_irqrestore(&layer->irqlock, flags);
-}
-
static int vpbe_start_streaming(struct vb2_queue *vq, unsigned int count)
{
struct vpbe_layer *layer = vb2_get_drv_priv(vq);
+ struct osd_state *osd_device = layer->disp_dev->osd_device;
int ret;
+ osd_device->ops.disable_layer(osd_device, layer->layer_info.id);
+
/* Get the next frame from the buffer queue */
layer->next_frm = layer->cur_frm = list_entry(layer->dma_queue.next,
struct vpbe_disp_buffer, list);
* if request format is yuv420 semiplanar, need to
* enable both video windows
*/
- layer->started = 1;
layer->layer_first_int = 1;
return ret;
static void vpbe_stop_streaming(struct vb2_queue *vq)
{
struct vpbe_layer *layer = vb2_get_drv_priv(vq);
+ struct osd_state *osd_device = layer->disp_dev->osd_device;
struct vpbe_display *disp = layer->disp_dev;
unsigned long flags;
if (!vb2_is_streaming(vq))
return;
+ osd_device->ops.disable_layer(osd_device, layer->layer_info.id);
+
/* release all active buffers */
spin_lock_irqsave(&disp->dma_queue_lock, flags);
if (layer->cur_frm == layer->next_frm) {
.buf_prepare = vpbe_buffer_prepare,
.start_streaming = vpbe_start_streaming,
.stop_streaming = vpbe_stop_streaming,
- .buf_cleanup = vpbe_buf_cleanup,
.buf_queue = vpbe_buffer_queue,
};
static int vpbe_display_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
- cap->version = VPBE_DISPLAY_VERSION_CODE;
cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
snprintf(cap->driver, sizeof(cap->driver), "%s",
static int vpbe_display_s_crop(struct file *file, void *priv,
const struct v4l2_crop *crop)
{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_display *disp_dev = fh->disp_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_display *disp_dev = layer->disp_dev;
struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
struct osd_layer_config *cfg = &layer->layer_info.config;
struct osd_state *osd_device = disp_dev->osd_device;
static int vpbe_display_g_crop(struct file *file, void *priv,
struct v4l2_crop *crop)
{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
+ struct vpbe_layer *layer = video_drvdata(file);
struct osd_layer_config *cfg = &layer->layer_info.config;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
- struct osd_state *osd_device = fh->disp_dev->osd_device;
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
+ struct osd_state *osd_device = layer->disp_dev->osd_device;
struct v4l2_rect *rect = &crop->c;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
static int vpbe_display_cropcap(struct file *file, void *priv,
struct v4l2_cropcap *cropcap)
{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_CROPCAP ioctl\n");
static int vpbe_display_g_fmt(struct file *file, void *priv,
struct v4l2_format *fmt)
{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
"VIDIOC_G_FMT, layer id = %d\n",
static int vpbe_display_enum_fmt(struct file *file, void *priv,
struct v4l2_fmtdesc *fmt)
{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
unsigned int index = 0;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
static int vpbe_display_s_fmt(struct file *file, void *priv,
struct v4l2_format *fmt)
{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_display *disp_dev = fh->disp_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_display *disp_dev = layer->disp_dev;
struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
struct osd_layer_config *cfg = &layer->layer_info.config;
struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
"VIDIOC_S_FMT, layer id = %d\n",
layer->device_id);
- /* If streaming is started, return error */
- if (layer->started) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Streaming is started\n");
+ if (vb2_is_busy(&layer->buffer_queue))
return -EBUSY;
- }
+
if (V4L2_BUF_TYPE_VIDEO_OUTPUT != fmt->type) {
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "invalid type\n");
return -EINVAL;
static int vpbe_display_try_fmt(struct file *file, void *priv,
struct v4l2_format *fmt)
{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_display *disp_dev = fh->disp_dev;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_display *disp_dev = layer->disp_dev;
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_TRY_FMT\n");
static int vpbe_display_s_std(struct file *file, void *priv,
v4l2_std_id std_id)
{
- struct vpbe_fh *fh = priv;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
int ret;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_STD\n");
- /* If streaming is started, return error */
- if (layer->started) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Streaming is started\n");
+ if (vb2_is_busy(&layer->buffer_queue))
return -EBUSY;
- }
+
if (NULL != vpbe_dev->ops.s_std) {
ret = vpbe_dev->ops.s_std(vpbe_dev, std_id);
if (ret) {
static int vpbe_display_g_std(struct file *file, void *priv,
v4l2_std_id *std_id)
{
- struct vpbe_fh *fh = priv;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_STD\n");
static int vpbe_display_enum_output(struct file *file, void *priv,
struct v4l2_output *output)
{
- struct vpbe_fh *fh = priv;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
int ret;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_ENUM_OUTPUT\n");
static int vpbe_display_s_output(struct file *file, void *priv,
unsigned int i)
{
- struct vpbe_fh *fh = priv;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
int ret;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_OUTPUT\n");
- /* If streaming is started, return error */
- if (layer->started) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Streaming is started\n");
+
+ if (vb2_is_busy(&layer->buffer_queue))
return -EBUSY;
- }
+
if (NULL == vpbe_dev->ops.set_output)
return -EINVAL;
static int vpbe_display_g_output(struct file *file, void *priv,
unsigned int *i)
{
- struct vpbe_fh *fh = priv;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_OUTPUT\n");
/* Get the standard from the current encoder */
vpbe_display_enum_dv_timings(struct file *file, void *priv,
struct v4l2_enum_dv_timings *timings)
{
- struct vpbe_fh *fh = priv;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
int ret;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_ENUM_DV_TIMINGS\n");
vpbe_display_s_dv_timings(struct file *file, void *priv,
struct v4l2_dv_timings *timings)
{
- struct vpbe_fh *fh = priv;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
int ret;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_DV_TIMINGS\n");
-
- /* If streaming is started, return error */
- if (layer->started) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Streaming is started\n");
+ if (vb2_is_busy(&layer->buffer_queue))
return -EBUSY;
- }
/* Set the given standard in the encoder */
if (!vpbe_dev->ops.s_dv_timings)
vpbe_display_g_dv_timings(struct file *file, void *priv,
struct v4l2_dv_timings *dv_timings)
{
- struct vpbe_fh *fh = priv;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
+ struct vpbe_layer *layer = video_drvdata(file);
+ struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_DV_TIMINGS\n");
return 0;
}
-static int vpbe_display_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type buf_type)
-{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
- struct osd_state *osd_device = fh->disp_dev->osd_device;
- int ret;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
- "VIDIOC_STREAMOFF,layer id = %d\n",
- layer->device_id);
-
- if (V4L2_BUF_TYPE_VIDEO_OUTPUT != buf_type) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Invalid buffer type\n");
- return -EINVAL;
- }
-
- /* If io is allowed for this file handle, return error */
- if (!fh->io_allowed) {
- v4l2_err(&vpbe_dev->v4l2_dev, "No io_allowed\n");
- return -EACCES;
- }
-
- /* If streaming is not started, return error */
- if (!layer->started) {
- v4l2_err(&vpbe_dev->v4l2_dev, "streaming not started in layer"
- " id = %d\n", layer->device_id);
- return -EINVAL;
- }
-
- osd_device->ops.disable_layer(osd_device,
- layer->layer_info.id);
- layer->started = 0;
- ret = vb2_streamoff(&layer->buffer_queue, buf_type);
-
- return ret;
-}
-
-static int vpbe_display_streamon(struct file *file, void *priv,
- enum v4l2_buf_type buf_type)
-{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_display *disp_dev = fh->disp_dev;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
- struct osd_state *osd_device = disp_dev->osd_device;
- int ret;
-
- osd_device->ops.disable_layer(osd_device,
- layer->layer_info.id);
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_STREAMON, layerid=%d\n",
- layer->device_id);
-
- if (V4L2_BUF_TYPE_VIDEO_OUTPUT != buf_type) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Invalid buffer type\n");
- return -EINVAL;
- }
-
- /* If file handle is not allowed IO, return error */
- if (!fh->io_allowed) {
- v4l2_err(&vpbe_dev->v4l2_dev, "No io_allowed\n");
- return -EACCES;
- }
- /* If Streaming is already started, return error */
- if (layer->started) {
- v4l2_err(&vpbe_dev->v4l2_dev, "layer is already streaming\n");
- return -EBUSY;
- }
-
- /*
- * Call vb2_streamon to start streaming
- * in videobuf
- */
- ret = vb2_streamon(&layer->buffer_queue, buf_type);
- if (ret) {
- v4l2_err(&vpbe_dev->v4l2_dev,
- "error in vb2_streamon\n");
- return ret;
- }
- return ret;
-}
-
-static int vpbe_display_dqbuf(struct file *file, void *priv,
- struct v4l2_buffer *buf)
-{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
- int ret;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
- "VIDIOC_DQBUF, layer id = %d\n",
- layer->device_id);
-
- if (V4L2_BUF_TYPE_VIDEO_OUTPUT != buf->type) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Invalid buffer type\n");
- return -EINVAL;
- }
- /* If this file handle is not allowed to do IO, return error */
- if (!fh->io_allowed) {
- v4l2_err(&vpbe_dev->v4l2_dev, "No io_allowed\n");
- return -EACCES;
- }
- if (file->f_flags & O_NONBLOCK)
- /* Call videobuf_dqbuf for non blocking mode */
- ret = vb2_dqbuf(&layer->buffer_queue, buf, 1);
- else
- /* Call videobuf_dqbuf for blocking mode */
- ret = vb2_dqbuf(&layer->buffer_queue, buf, 0);
-
- return ret;
-}
-
-static int vpbe_display_qbuf(struct file *file, void *priv,
- struct v4l2_buffer *p)
-{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
- "VIDIOC_QBUF, layer id = %d\n",
- layer->device_id);
-
- if (V4L2_BUF_TYPE_VIDEO_OUTPUT != p->type) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Invalid buffer type\n");
- return -EINVAL;
- }
-
- /* If this file handle is not allowed to do IO, return error */
- if (!fh->io_allowed) {
- v4l2_err(&vpbe_dev->v4l2_dev, "No io_allowed\n");
- return -EACCES;
- }
-
- return vb2_qbuf(&layer->buffer_queue, p);
-}
-
-static int vpbe_display_querybuf(struct file *file, void *priv,
- struct v4l2_buffer *buf)
-{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
- "VIDIOC_QUERYBUF, layer id = %d\n",
- layer->device_id);
-
- if (V4L2_BUF_TYPE_VIDEO_OUTPUT != buf->type) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Invalid buffer type\n");
- return -EINVAL;
- }
- /* Call vb2_querybuf to get information */
- return vb2_querybuf(&layer->buffer_queue, buf);
-}
-
-static int vpbe_display_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *req_buf)
-{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_reqbufs\n");
-
- if (V4L2_BUF_TYPE_VIDEO_OUTPUT != req_buf->type) {
- v4l2_err(&vpbe_dev->v4l2_dev, "Invalid buffer type\n");
- return -EINVAL;
- }
-
- /* If io users of the layer is not zero, return error */
- if (0 != layer->io_usrs) {
- v4l2_err(&vpbe_dev->v4l2_dev, "not IO user\n");
- return -EBUSY;
- }
- /* Set io allowed member of file handle to TRUE */
- fh->io_allowed = 1;
- /* Increment io usrs member of layer object to 1 */
- layer->io_usrs = 1;
- /* Store type of memory requested in layer object */
- layer->memory = req_buf->memory;
- /* Allocate buffers */
- return vb2_reqbufs(&layer->buffer_queue, req_buf);
-}
-
-/*
- * vpbe_display_mmap()
- * It is used to map kernel space buffers into user spaces
- */
-static int vpbe_display_mmap(struct file *filep, struct vm_area_struct *vma)
-{
- /* Get the layer object and file handle object */
- struct vpbe_fh *fh = filep->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
- int ret;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_mmap\n");
-
- if (mutex_lock_interruptible(&layer->opslock))
- return -ERESTARTSYS;
- ret = vb2_mmap(&layer->buffer_queue, vma);
- mutex_unlock(&layer->opslock);
- return ret;
-}
-
-/* vpbe_display_poll(): It is used for select/poll system call
- */
-static unsigned int vpbe_display_poll(struct file *filep, poll_table *wait)
-{
- struct vpbe_fh *fh = filep->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
- unsigned int err = 0;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_poll\n");
- if (layer->started) {
- mutex_lock(&layer->opslock);
- err = vb2_poll(&layer->buffer_queue, filep, wait);
- mutex_unlock(&layer->opslock);
- }
- return err;
-}
-
/*
* vpbe_display_open()
* It creates object of file handle structure and stores it in private_data
*/
static int vpbe_display_open(struct file *file)
{
- struct vpbe_fh *fh = NULL;
struct vpbe_layer *layer = video_drvdata(file);
- struct video_device *vdev = video_devdata(file);
struct vpbe_display *disp_dev = layer->disp_dev;
struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
struct osd_state *osd_device = disp_dev->osd_device;
int err;
- /* Allocate memory for the file handle object */
- fh = kmalloc(sizeof(struct vpbe_fh), GFP_KERNEL);
- if (fh == NULL) {
- v4l2_err(&vpbe_dev->v4l2_dev,
- "unable to allocate memory for file handle object\n");
- return -ENOMEM;
+ /* creating context for file descriptor */
+ err = v4l2_fh_open(file);
+ if (err) {
+ v4l2_err(&vpbe_dev->v4l2_dev, "v4l2_fh_open failed\n");
+ return err;
}
- v4l2_fh_init(&fh->fh, vdev);
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
- "vpbe display open plane = %d\n",
- layer->device_id);
- /* store pointer to fh in private_data member of filep */
- file->private_data = fh;
- fh->layer = layer;
- fh->disp_dev = disp_dev;
+ /* leaving if layer is already initialized */
+ if (!v4l2_fh_is_singular_file(file))
+ return err;
if (!layer->usrs) {
if (mutex_lock_interruptible(&layer->opslock))
/* Couldn't get layer */
v4l2_err(&vpbe_dev->v4l2_dev,
"Display Manager failed to allocate layer\n");
- kfree(fh);
+ v4l2_fh_release(file);
return -EINVAL;
}
}
/* Increment layer usrs counter */
layer->usrs++;
- /* Set io_allowed member to false */
- fh->io_allowed = 0;
- v4l2_fh_add(&fh->fh);
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
"vpbe display device opened successfully\n");
return 0;
*/
static int vpbe_display_release(struct file *file)
{
- /* Get the layer object and file handle object */
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
+ struct vpbe_layer *layer = video_drvdata(file);
struct osd_layer_config *cfg = &layer->layer_info.config;
- struct vpbe_display *disp_dev = fh->disp_dev;
+ struct vpbe_display *disp_dev = layer->disp_dev;
struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
struct osd_state *osd_device = disp_dev->osd_device;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_release\n");
mutex_lock(&layer->opslock);
- /* if this instance is doing IO */
- if (fh->io_allowed) {
- /* Reset io_usrs member of layer object */
- layer->io_usrs = 0;
-
- osd_device->ops.disable_layer(osd_device,
- layer->layer_info.id);
- layer->started = 0;
- }
+ osd_device->ops.disable_layer(osd_device,
+ layer->layer_info.id);
/* Decrement layer usrs counter */
layer->usrs--;
/* If this file handle has initialize encoder device, reset it */
layer->layer_info.id);
}
- v4l2_fh_del(&fh->fh);
- v4l2_fh_exit(&fh->fh);
- file->private_data = NULL;
+ _vb2_fop_release(file, NULL);
mutex_unlock(&layer->opslock);
- /* Free memory allocated to file handle object */
- kfree(fh);
-
disp_dev->cbcr_ofst = 0;
return 0;
.vidioc_enum_fmt_vid_out = vpbe_display_enum_fmt,
.vidioc_s_fmt_vid_out = vpbe_display_s_fmt,
.vidioc_try_fmt_vid_out = vpbe_display_try_fmt,
- .vidioc_reqbufs = vpbe_display_reqbufs,
- .vidioc_querybuf = vpbe_display_querybuf,
- .vidioc_qbuf = vpbe_display_qbuf,
- .vidioc_dqbuf = vpbe_display_dqbuf,
- .vidioc_streamon = vpbe_display_streamon,
- .vidioc_streamoff = vpbe_display_streamoff,
+
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_create_bufs = vb2_ioctl_create_bufs,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
+ .vidioc_expbuf = vb2_ioctl_expbuf,
+
.vidioc_cropcap = vpbe_display_cropcap,
.vidioc_g_crop = vpbe_display_g_crop,
.vidioc_s_crop = vpbe_display_s_crop,
+
.vidioc_s_std = vpbe_display_s_std,
.vidioc_g_std = vpbe_display_g_std,
+
.vidioc_enum_output = vpbe_display_enum_output,
.vidioc_s_output = vpbe_display_s_output,
.vidioc_g_output = vpbe_display_g_output,
+
.vidioc_s_dv_timings = vpbe_display_s_dv_timings,
.vidioc_g_dv_timings = vpbe_display_g_dv_timings,
.vidioc_enum_dv_timings = vpbe_display_enum_dv_timings,
.open = vpbe_display_open,
.release = vpbe_display_release,
.unlocked_ioctl = video_ioctl2,
- .mmap = vpbe_display_mmap,
- .poll = vpbe_display_poll
+ .mmap = vb2_fop_mmap,
+ .poll = vb2_fop_poll,
};
static int vpbe_device_get(struct device *dev, void *data)
(int)vpbe_display_layer,
(int)&vpbe_display_layer->video_dev);
+ vpbe_display_layer->video_dev.queue = &vpbe_display_layer->buffer_queue;
err = video_register_device(&vpbe_display_layer->video_dev,
VFL_TYPE_GRABBER,
-1);
q = &disp_dev->dev[i]->buffer_queue;
memset(q, 0, sizeof(*q));
q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
- q->io_modes = VB2_MMAP | VB2_USERPTR;
+ q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
q->drv_priv = disp_dev->dev[i];
q->ops = &video_qops;
q->mem_ops = &vb2_dma_contig_memops;
static struct platform_driver vpbe_display_driver = {
.driver = {
.name = VPBE_DISPLAY_DRIVER,
- .owner = THIS_MODULE,
.bus = &platform_bus_type,
},
.probe = vpbe_display_probe,
projects / firefly-linux-kernel-4.4.55.git / blobdiff