static struct vpif_device vpif_obj = { {NULL} };
static struct device *vpif_dev;
+static void vpif_calculate_offsets(struct channel_obj *ch);
+static void vpif_config_addr(struct channel_obj *ch, int muxmode);
/*
- * vpif_uservirt_to_phys: This function is used to convert user
- * space virtual address to physical address.
- */
-static u32 vpif_uservirt_to_phys(u32 virtp)
-{
- struct mm_struct *mm = current->mm;
- unsigned long physp = 0;
- struct vm_area_struct *vma;
-
- vma = find_vma(mm, virtp);
-
- /* For kernel direct-mapped memory, take the easy way */
- if (virtp >= PAGE_OFFSET) {
- physp = virt_to_phys((void *)virtp);
- } else if (vma && (vma->vm_flags & VM_IO) && (vma->vm_pgoff)) {
- /* this will catch, kernel-allocated, mmaped-to-usermode addr */
- physp = (vma->vm_pgoff << PAGE_SHIFT) + (virtp - vma->vm_start);
- } else {
- /* otherwise, use get_user_pages() for general userland pages */
- int res, nr_pages = 1;
- struct page *pages;
- down_read(¤t->mm->mmap_sem);
-
- res = get_user_pages(current, current->mm,
- virtp, nr_pages, 1, 0, &pages, NULL);
- up_read(¤t->mm->mmap_sem);
-
- if (res == nr_pages) {
- physp = __pa(page_address(&pages[0]) +
- (virtp & ~PAGE_MASK));
- } else {
- vpif_err("get_user_pages failed\n");
- return 0;
- }
- }
-
- return physp;
-}
-
-/*
- * buffer_prepare: This is the callback function called from videobuf_qbuf()
+ * buffer_prepare: This is the callback function called from vb2_qbuf()
* function the buffer is prepared and user space virtual address is converted
* into physical address
*/
-static int vpif_buffer_prepare(struct videobuf_queue *q,
- struct videobuf_buffer *vb,
- enum v4l2_field field)
+static int vpif_buffer_prepare(struct vb2_buffer *vb)
{
- struct vpif_fh *fh = q->priv_data;
+ struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue);
+ struct vb2_queue *q = vb->vb2_queue;
struct common_obj *common;
unsigned long addr;
common = &fh->channel->common[VPIF_VIDEO_INDEX];
- if (VIDEOBUF_NEEDS_INIT == vb->state) {
- vb->width = common->width;
- vb->height = common->height;
- vb->size = vb->width * vb->height;
- vb->field = field;
- }
- vb->state = VIDEOBUF_PREPARED;
-
- /* if user pointer memory mechanism is used, get the physical
- * address of the buffer */
- if (V4L2_MEMORY_USERPTR == common->memory) {
- if (!vb->baddr) {
- vpif_err("buffer_address is 0\n");
- return -EINVAL;
- }
-
- vb->boff = vpif_uservirt_to_phys(vb->baddr);
- if (!ISALIGNED(vb->boff))
+ if (vb->state != VB2_BUF_STATE_ACTIVE &&
+ vb->state != VB2_BUF_STATE_PREPARED) {
+ vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage);
+ if (vb2_plane_vaddr(vb, 0) &&
+ vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0))
goto buf_align_exit;
- }
- addr = vb->boff;
- if (q->streaming && (V4L2_BUF_TYPE_SLICED_VBI_OUTPUT != q->type)) {
- if (!ISALIGNED(addr + common->ytop_off) ||
- !ISALIGNED(addr + common->ybtm_off) ||
- !ISALIGNED(addr + common->ctop_off) ||
- !ISALIGNED(addr + common->cbtm_off))
- goto buf_align_exit;
+ addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+ if (q->streaming &&
+ (V4L2_BUF_TYPE_SLICED_VBI_OUTPUT != q->type)) {
+ if (!ISALIGNED(addr + common->ytop_off) ||
+ !ISALIGNED(addr + common->ybtm_off) ||
+ !ISALIGNED(addr + common->ctop_off) ||
+ !ISALIGNED(addr + common->cbtm_off))
+ goto buf_align_exit;
+ }
}
return 0;
}
/*
- * vpif_buffer_setup: This function allocates memory for the buffers
+ * vpif_buffer_queue_setup: This function allocates memory for the buffers
*/
-static int vpif_buffer_setup(struct videobuf_queue *q, unsigned int *count,
- unsigned int *size)
+static int vpif_buffer_queue_setup(struct vb2_queue *vq,
+ const struct v4l2_format *fmt,
+ unsigned int *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], void *alloc_ctxs[])
{
- struct vpif_fh *fh = q->priv_data;
+ struct vpif_fh *fh = vb2_get_drv_priv(vq);
struct channel_obj *ch = fh->channel;
struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
-
- if (V4L2_MEMORY_MMAP != common->memory)
- return 0;
-
- *size = config_params.channel_bufsize[ch->channel_id];
-
- /*
- * Checking if the buffer size exceeds the available buffer
- * ycmux_mode = 0 means 1 channel mode HD and
- * ycmux_mode = 1 means 2 channels mode SD
- */
- if (ch->vpifparams.std_info.ycmux_mode == 0) {
- if (config_params.video_limit[ch->channel_id])
- while (*size * *count > (config_params.video_limit[0]
- + config_params.video_limit[1]))
- (*count)--;
- } else {
- if (config_params.video_limit[ch->channel_id])
- while (*size * *count >
+ unsigned long size;
+
+ if (V4L2_MEMORY_MMAP == common->memory) {
+ size = config_params.channel_bufsize[ch->channel_id];
+ /*
+ * Checking if the buffer size exceeds the available buffer
+ * ycmux_mode = 0 means 1 channel mode HD and
+ * ycmux_mode = 1 means 2 channels mode SD
+ */
+ if (ch->vpifparams.std_info.ycmux_mode == 0) {
+ if (config_params.video_limit[ch->channel_id])
+ while (size * *nbuffers >
+ (config_params.video_limit[0]
+ + config_params.video_limit[1]))
+ (*nbuffers)--;
+ } else {
+ if (config_params.video_limit[ch->channel_id])
+ while (size * *nbuffers >
config_params.video_limit[ch->channel_id])
- (*count)--;
+ (*nbuffers)--;
+ }
+ } else {
+ size = common->fmt.fmt.pix.sizeimage;
}
- if (*count < config_params.min_numbuffers)
- *count = config_params.min_numbuffers;
+ if (*nbuffers < config_params.min_numbuffers)
+ *nbuffers = config_params.min_numbuffers;
+ *nplanes = 1;
+ sizes[0] = size;
+ alloc_ctxs[0] = common->alloc_ctx;
return 0;
}
/*
* vpif_buffer_queue: This function adds the buffer to DMA queue
*/
-static void vpif_buffer_queue(struct videobuf_queue *q,
- struct videobuf_buffer *vb)
+static void vpif_buffer_queue(struct vb2_buffer *vb)
{
- struct vpif_fh *fh = q->priv_data;
+ struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue);
+ struct vpif_disp_buffer *buf = container_of(vb,
+ struct vpif_disp_buffer, vb);
+ struct channel_obj *ch = fh->channel;
struct common_obj *common;
- common = &fh->channel->common[VPIF_VIDEO_INDEX];
+ common = &ch->common[VPIF_VIDEO_INDEX];
/* add the buffer to the DMA queue */
- list_add_tail(&vb->queue, &common->dma_queue);
- vb->state = VIDEOBUF_QUEUED;
+ list_add_tail(&buf->list, &common->dma_queue);
}
/*
- * vpif_buffer_release: This function is called from the videobuf layer to
+ * vpif_buf_cleanup: This function is called from the videobuf2 layer to
* free memory allocated to the buffers
*/
-static void vpif_buffer_release(struct videobuf_queue *q,
- struct videobuf_buffer *vb)
+static void vpif_buf_cleanup(struct vb2_buffer *vb)
{
- struct vpif_fh *fh = q->priv_data;
+ struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue);
+ struct vpif_disp_buffer *buf = container_of(vb,
+ struct vpif_disp_buffer, vb);
struct channel_obj *ch = fh->channel;
struct common_obj *common;
- unsigned int buf_size = 0;
+ unsigned long flags;
common = &ch->common[VPIF_VIDEO_INDEX];
- videobuf_dma_contig_free(q, vb);
- vb->state = VIDEOBUF_NEEDS_INIT;
+ spin_lock_irqsave(&common->irqlock, flags);
+ if (vb->state == VB2_BUF_STATE_ACTIVE)
+ list_del_init(&buf->list);
+ spin_unlock_irqrestore(&common->irqlock, flags);
+}
+
+static void vpif_wait_prepare(struct vb2_queue *vq)
+{
+ struct vpif_fh *fh = vb2_get_drv_priv(vq);
+ struct channel_obj *ch = fh->channel;
+ struct common_obj *common;
+
+ common = &ch->common[VPIF_VIDEO_INDEX];
+ mutex_unlock(&common->lock);
+}
- if (V4L2_MEMORY_MMAP != common->memory)
- return;
+static void vpif_wait_finish(struct vb2_queue *vq)
+{
+ struct vpif_fh *fh = vb2_get_drv_priv(vq);
+ struct channel_obj *ch = fh->channel;
+ struct common_obj *common;
- buf_size = config_params.channel_bufsize[ch->channel_id];
+ common = &ch->common[VPIF_VIDEO_INDEX];
+ mutex_lock(&common->lock);
+}
+
+static int vpif_buffer_init(struct vb2_buffer *vb)
+{
+ struct vpif_disp_buffer *buf = container_of(vb,
+ struct vpif_disp_buffer, vb);
+
+ INIT_LIST_HEAD(&buf->list);
+
+ return 0;
}
-static struct videobuf_queue_ops video_qops = {
- .buf_setup = vpif_buffer_setup,
- .buf_prepare = vpif_buffer_prepare,
- .buf_queue = vpif_buffer_queue,
- .buf_release = vpif_buffer_release,
-};
static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} };
+static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
+{
+ struct vpif_display_config *vpif_config_data =
+ vpif_dev->platform_data;
+ struct vpif_fh *fh = vb2_get_drv_priv(vq);
+ struct channel_obj *ch = fh->channel;
+ struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
+ struct vpif_params *vpif = &ch->vpifparams;
+ unsigned long addr = 0;
+ int ret;
+
+ /* If buffer queue is empty, return error */
+ if (list_empty(&common->dma_queue)) {
+ vpif_err("buffer queue is empty\n");
+ return -EIO;
+ }
+
+ /* Get the next frame from the buffer queue */
+ common->next_frm = common->cur_frm =
+ list_entry(common->dma_queue.next,
+ struct vpif_disp_buffer, list);
+
+ list_del(&common->cur_frm->list);
+ /* Mark state of the current frame to active */
+ common->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE;
+
+ /* Initialize field_id and started member */
+ ch->field_id = 0;
+ common->started = 1;
+ addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb, 0);
+ /* Calculate the offset for Y and C data in the buffer */
+ vpif_calculate_offsets(ch);
+
+ if ((ch->vpifparams.std_info.frm_fmt &&
+ ((common->fmt.fmt.pix.field != V4L2_FIELD_NONE)
+ && (common->fmt.fmt.pix.field != V4L2_FIELD_ANY)))
+ || (!ch->vpifparams.std_info.frm_fmt
+ && (common->fmt.fmt.pix.field == V4L2_FIELD_NONE))) {
+ vpif_err("conflict in field format and std format\n");
+ return -EINVAL;
+ }
+
+ /* clock settings */
+ ret =
+ vpif_config_data->set_clock(ch->vpifparams.std_info.ycmux_mode,
+ ch->vpifparams.std_info.hd_sd);
+ if (ret < 0) {
+ vpif_err("can't set clock\n");
+ return ret;
+ }
+
+ /* set the parameters and addresses */
+ ret = vpif_set_video_params(vpif, ch->channel_id + 2);
+ if (ret < 0)
+ return ret;
+
+ common->started = ret;
+ vpif_config_addr(ch, ret);
+ common->set_addr((addr + common->ytop_off),
+ (addr + common->ybtm_off),
+ (addr + common->ctop_off),
+ (addr + common->cbtm_off));
+
+ /* Set interrupt for both the fields in VPIF
+ Register enable channel in VPIF register */
+ if (VPIF_CHANNEL2_VIDEO == ch->channel_id) {
+ channel2_intr_assert();
+ channel2_intr_enable(1);
+ enable_channel2(1);
+ }
+
+ if ((VPIF_CHANNEL3_VIDEO == ch->channel_id)
+ || (common->started == 2)) {
+ channel3_intr_assert();
+ channel3_intr_enable(1);
+ enable_channel3(1);
+ }
+ channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1;
+
+ return 0;
+}
+
+/* abort streaming and wait for last buffer */
+static int vpif_stop_streaming(struct vb2_queue *vq)
+{
+ struct vpif_fh *fh = vb2_get_drv_priv(vq);
+ struct channel_obj *ch = fh->channel;
+ struct common_obj *common;
+
+ if (!vb2_is_streaming(vq))
+ return 0;
+
+ common = &ch->common[VPIF_VIDEO_INDEX];
+
+ /* release all active buffers */
+ while (!list_empty(&common->dma_queue)) {
+ common->next_frm = list_entry(common->dma_queue.next,
+ struct vpif_disp_buffer, list);
+ list_del(&common->next_frm->list);
+ vb2_buffer_done(&common->next_frm->vb, VB2_BUF_STATE_ERROR);
+ }
+
+ return 0;
+}
+
+static struct vb2_ops video_qops = {
+ .queue_setup = vpif_buffer_queue_setup,
+ .wait_prepare = vpif_wait_prepare,
+ .wait_finish = vpif_wait_finish,
+ .buf_init = vpif_buffer_init,
+ .buf_prepare = vpif_buffer_prepare,
+ .start_streaming = vpif_start_streaming,
+ .stop_streaming = vpif_stop_streaming,
+ .buf_cleanup = vpif_buf_cleanup,
+ .buf_queue = vpif_buffer_queue,
+};
+
static void process_progressive_mode(struct common_obj *common)
{
unsigned long addr = 0;
/* Get the next buffer from buffer queue */
common->next_frm = list_entry(common->dma_queue.next,
- struct videobuf_buffer, queue);
+ struct vpif_disp_buffer, list);
/* Remove that buffer from the buffer queue */
- list_del(&common->next_frm->queue);
+ list_del(&common->next_frm->list);
/* Mark status of the buffer as active */
- common->next_frm->state = VIDEOBUF_ACTIVE;
+ common->next_frm->vb.state = VB2_BUF_STATE_ACTIVE;
/* Set top and bottom field addrs in VPIF registers */
- addr = videobuf_to_dma_contig(common->next_frm);
+ addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb, 0);
common->set_addr(addr + common->ytop_off,
addr + common->ybtm_off,
addr + common->ctop_off,
/* one frame is displayed If next frame is
* available, release cur_frm and move on */
/* Copy frame display time */
- do_gettimeofday(&common->cur_frm->ts);
+ do_gettimeofday(&common->cur_frm->vb.v4l2_buf.timestamp);
/* Change status of the cur_frm */
- common->cur_frm->state = VIDEOBUF_DONE;
- /* unlock semaphore on cur_frm */
- wake_up_interruptible(&common->cur_frm->done);
+ vb2_buffer_done(&common->cur_frm->vb,
+ VB2_BUF_STATE_DONE);
/* Make cur_frm pointing to next_frm */
common->cur_frm = common->next_frm;
if (!channel_first_int[i][channel_id]) {
/* Mark status of the cur_frm to
* done and unlock semaphore on it */
- do_gettimeofday(&common->cur_frm->ts);
- common->cur_frm->state = VIDEOBUF_DONE;
- wake_up_interruptible(&common->cur_frm->done);
+ do_gettimeofday(&common->cur_frm->vb.
+ v4l2_buf.timestamp);
+ vb2_buffer_done(&common->cur_frm->vb,
+ VB2_BUF_STATE_DONE);
/* Make cur_frm pointing to next_frm */
common->cur_frm = common->next_frm;
}
vid_ch->buf_field = common->fmt.fmt.pix.field;
}
- if (V4L2_MEMORY_USERPTR == common->memory)
- sizeimage = common->fmt.fmt.pix.sizeimage;
- else
- sizeimage = config_params.channel_bufsize[ch->channel_id];
+ sizeimage = common->fmt.fmt.pix.sizeimage;
hpitch = common->fmt.fmt.pix.bytesperline;
vpitch = sizeimage / (hpitch * 2);
if (pixfmt->bytesperline <= 0)
goto invalid_pitch_exit;
- if (V4L2_MEMORY_USERPTR == common->memory)
- sizeimage = pixfmt->sizeimage;
- else
- sizeimage = config_params.channel_bufsize[ch->channel_id];
+ sizeimage = pixfmt->sizeimage;
if (vpif_update_resolution(ch))
return -EINVAL;
vpif_dbg(2, debug, "vpif_mmap\n");
- return videobuf_mmap_mapper(&common->buffer_queue, vma);
+ return vb2_mmap(&common->buffer_queue, vma);
}
/*
struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
if (common->started)
- return videobuf_poll_stream(filep, &common->buffer_queue, wait);
+ return vb2_poll(&common->buffer_queue, filep, wait);
return 0;
}
channel3_intr_enable(0);
}
common->started = 0;
+
/* Free buffers allocated */
- videobuf_queue_cancel(&common->buffer_queue);
- videobuf_mmap_free(&common->buffer_queue);
+ vb2_queue_release(&common->buffer_queue);
+ vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
+
common->numbuffers =
config_params.numbuffers[ch->channel_id];
}
struct channel_obj *ch = fh->channel;
struct common_obj *common;
enum v4l2_field field;
+ struct vb2_queue *q;
u8 index = 0;
/* This file handle has not initialized the channel,
if (common->fmt.type != reqbuf->type || !vpif_dev)
return -EINVAL;
-
if (0 != common->io_usrs)
return -EBUSY;
} else {
field = V4L2_VBI_INTERLACED;
}
+ /* Initialize videobuf2 queue as per the buffer type */
+ common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev);
+ if (!common->alloc_ctx) {
+ vpif_err("Failed to get the context\n");
+ return -EINVAL;
+ }
+ q = &common->buffer_queue;
+ q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+ q->io_modes = VB2_MMAP | VB2_USERPTR;
+ q->drv_priv = fh;
+ q->ops = &video_qops;
+ q->mem_ops = &vb2_dma_contig_memops;
+ q->buf_struct_size = sizeof(struct vpif_disp_buffer);
- /* Initialize videobuf queue as per the buffer type */
- videobuf_queue_dma_contig_init(&common->buffer_queue,
- &video_qops, vpif_dev,
- &common->irqlock,
- reqbuf->type, field,
- sizeof(struct videobuf_buffer), fh,
- &common->lock);
+ vb2_queue_init(q);
/* Set io allowed member of file handle to TRUE */
fh->io_allowed[index] = 1;
/* Store type of memory requested in channel object */
common->memory = reqbuf->memory;
INIT_LIST_HEAD(&common->dma_queue);
-
/* Allocate buffers */
- return videobuf_reqbufs(&common->buffer_queue, reqbuf);
+ return vb2_reqbufs(&common->buffer_queue, reqbuf);
}
static int vpif_querybuf(struct file *file, void *priv,
if (common->fmt.type != tbuf->type)
return -EINVAL;
- return videobuf_querybuf(&common->buffer_queue, tbuf);
+ return vb2_querybuf(&common->buffer_queue, tbuf);
}
static int vpif_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
{
+ struct vpif_fh *fh = NULL;
+ struct channel_obj *ch = NULL;
+ struct common_obj *common = NULL;
- struct vpif_fh *fh = priv;
- struct channel_obj *ch = fh->channel;
- struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
- struct v4l2_buffer tbuf = *buf;
- struct videobuf_buffer *buf1;
- unsigned long addr = 0;
- unsigned long flags;
- int ret = 0;
+ if (!buf || !priv)
+ return -EINVAL;
- if (common->fmt.type != tbuf.type)
+ fh = priv;
+ ch = fh->channel;
+ if (!ch)
+ return -EINVAL;
+
+ common = &(ch->common[VPIF_VIDEO_INDEX]);
+ if (common->fmt.type != buf->type)
return -EINVAL;
if (!fh->io_allowed[VPIF_VIDEO_INDEX]) {
return -EACCES;
}
- if (!(list_empty(&common->dma_queue)) ||
- (common->cur_frm != common->next_frm) ||
- !(common->started) ||
- (common->started && (0 == ch->field_id)))
- return videobuf_qbuf(&common->buffer_queue, buf);
-
- /* bufferqueue is empty store buffer address in VPIF registers */
- mutex_lock(&common->buffer_queue.vb_lock);
- buf1 = common->buffer_queue.bufs[tbuf.index];
- if (buf1->memory != tbuf.memory) {
- vpif_err("invalid buffer type\n");
- goto qbuf_exit;
- }
-
- if ((buf1->state == VIDEOBUF_QUEUED) ||
- (buf1->state == VIDEOBUF_ACTIVE)) {
- vpif_err("invalid state\n");
- goto qbuf_exit;
- }
-
- switch (buf1->memory) {
- case V4L2_MEMORY_MMAP:
- if (buf1->baddr == 0)
- goto qbuf_exit;
- break;
-
- case V4L2_MEMORY_USERPTR:
- if (tbuf.length < buf1->bsize)
- goto qbuf_exit;
-
- if ((VIDEOBUF_NEEDS_INIT != buf1->state)
- && (buf1->baddr != tbuf.m.userptr)) {
- vpif_buffer_release(&common->buffer_queue, buf1);
- buf1->baddr = tbuf.m.userptr;
- }
- break;
-
- default:
- goto qbuf_exit;
- }
-
- local_irq_save(flags);
- ret = vpif_buffer_prepare(&common->buffer_queue, buf1,
- common->buffer_queue.field);
- if (ret < 0) {
- local_irq_restore(flags);
- goto qbuf_exit;
- }
-
- buf1->state = VIDEOBUF_ACTIVE;
- addr = buf1->boff;
- common->next_frm = buf1;
- if (tbuf.type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
- common->set_addr((addr + common->ytop_off),
- (addr + common->ybtm_off),
- (addr + common->ctop_off),
- (addr + common->cbtm_off));
- }
-
- local_irq_restore(flags);
- list_add_tail(&buf1->stream, &common->buffer_queue.stream);
- mutex_unlock(&common->buffer_queue.vb_lock);
- return 0;
-
-qbuf_exit:
- mutex_unlock(&common->buffer_queue.vb_lock);
- return -EINVAL;
+ return vb2_qbuf(&common->buffer_queue, buf);
}
static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id)
struct channel_obj *ch = fh->channel;
struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
- return videobuf_dqbuf(&common->buffer_queue, p,
+ return vb2_dqbuf(&common->buffer_queue, p,
(file->f_flags & O_NONBLOCK));
}
struct channel_obj *ch = fh->channel;
struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
struct channel_obj *oth_ch = vpif_obj.dev[!ch->channel_id];
- struct vpif_params *vpif = &ch->vpifparams;
- struct vpif_display_config *vpif_config_data =
- vpif_dev->platform_data;
- unsigned long addr = 0;
int ret = 0;
if (buftype != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
if (ret < 0)
return ret;
- /* Call videobuf_streamon to start streaming in videobuf */
- ret = videobuf_streamon(&common->buffer_queue);
+ /* Call vb2_streamon to start streaming in videobuf2 */
+ ret = vb2_streamon(&common->buffer_queue, buftype);
if (ret < 0) {
- vpif_err("videobuf_streamon\n");
+ vpif_err("vb2_streamon\n");
return ret;
}
- /* If buffer queue is empty, return error */
- if (list_empty(&common->dma_queue)) {
- vpif_err("buffer queue is empty\n");
- return -EIO;
- }
-
- /* Get the next frame from the buffer queue */
- common->next_frm = common->cur_frm =
- list_entry(common->dma_queue.next,
- struct videobuf_buffer, queue);
-
- list_del(&common->cur_frm->queue);
- /* Mark state of the current frame to active */
- common->cur_frm->state = VIDEOBUF_ACTIVE;
-
- /* Initialize field_id and started member */
- ch->field_id = 0;
- common->started = 1;
- if (buftype == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
- addr = common->cur_frm->boff;
- /* Calculate the offset for Y and C data in the buffer */
- vpif_calculate_offsets(ch);
-
- if ((ch->vpifparams.std_info.frm_fmt &&
- ((common->fmt.fmt.pix.field != V4L2_FIELD_NONE)
- && (common->fmt.fmt.pix.field != V4L2_FIELD_ANY)))
- || (!ch->vpifparams.std_info.frm_fmt
- && (common->fmt.fmt.pix.field == V4L2_FIELD_NONE))) {
- vpif_err("conflict in field format and std format\n");
- return -EINVAL;
- }
-
- /* clock settings */
- ret =
- vpif_config_data->set_clock(ch->vpifparams.std_info.ycmux_mode,
- ch->vpifparams.std_info.hd_sd);
- if (ret < 0) {
- vpif_err("can't set clock\n");
- return ret;
- }
-
- /* set the parameters and addresses */
- ret = vpif_set_video_params(vpif, ch->channel_id + 2);
- if (ret < 0)
- return ret;
-
- common->started = ret;
- vpif_config_addr(ch, ret);
- common->set_addr((addr + common->ytop_off),
- (addr + common->ybtm_off),
- (addr + common->ctop_off),
- (addr + common->cbtm_off));
-
- /* Set interrupt for both the fields in VPIF
- Register enable channel in VPIF register */
- if (VPIF_CHANNEL2_VIDEO == ch->channel_id) {
- channel2_intr_assert();
- channel2_intr_enable(1);
- enable_channel2(1);
- }
-
- if ((VPIF_CHANNEL3_VIDEO == ch->channel_id)
- || (common->started == 2)) {
- channel3_intr_assert();
- channel3_intr_enable(1);
- enable_channel3(1);
- }
- channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1;
- }
return ret;
}
}
common->started = 0;
- return videobuf_streamoff(&common->buffer_queue);
+ return vb2_streamoff(&common->buffer_queue, buftype);
}
static int vpif_cropcap(struct file *file, void *priv,
projects / ~shefty / rdma-dev.git / commitdiff