diff options
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_dec.c')
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 76 |
1 files changed, 72 insertions, 4 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c index 4582473978c..4af53bd2f18 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -22,6 +22,7 @@ #include <linux/videodev2.h> #include <linux/workqueue.h> #include <media/v4l2-ctrls.h> +#include <media/v4l2-event.h> #include <media/videobuf2-core.h> #include "s5p_mfc_common.h" #include "s5p_mfc_debug.h" @@ -623,17 +624,27 @@ static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) /* Dequeue a buffer */ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) { + const struct v4l2_event ev = { + .type = V4L2_EVENT_EOS + }; struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); + int ret; if (ctx->state == MFCINST_ERROR) { mfc_err("Call on DQBUF after unrecoverable error\n"); return -EIO; } if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) - return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); - else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) - return vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); - return -EINVAL; + ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); + else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); + if (ret == 0 && ctx->state == MFCINST_FINISHED && + list_empty(&ctx->vq_dst.done_list)) + v4l2_event_queue_fh(&ctx->fh, &ev); + } else { + ret = -EINVAL; + } + return ret; } /* Export DMA buffer */ @@ -809,6 +820,59 @@ static int vidioc_g_crop(struct file *file, void *priv, return 0; } +int vidioc_decoder_cmd(struct file *file, void *priv, + struct v4l2_decoder_cmd *cmd) +{ + struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); + struct s5p_mfc_dev *dev = ctx->dev; + struct s5p_mfc_buf *buf; + unsigned long flags; + + switch (cmd->cmd) { + case V4L2_ENC_CMD_STOP: + if (cmd->flags != 0) + return -EINVAL; + + if (!ctx->vq_src.streaming) + return -EINVAL; + + spin_lock_irqsave(&dev->irqlock, flags); + if (list_empty(&ctx->src_queue)) { + mfc_err("EOS: empty src queue, entering finishing state"); + ctx->state = MFCINST_FINISHING; + if (s5p_mfc_ctx_ready(ctx)) + set_work_bit_irqsave(ctx); + spin_unlock_irqrestore(&dev->irqlock, flags); + s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); + } else { + mfc_err("EOS: marking last buffer of stream"); + buf = list_entry(ctx->src_queue.prev, + struct s5p_mfc_buf, list); + if (buf->flags & MFC_BUF_FLAG_USED) + ctx->state = MFCINST_FINISHING; + else + buf->flags |= MFC_BUF_FLAG_EOS; + spin_unlock_irqrestore(&dev->irqlock, flags); + } + break; + default: + return -EINVAL; + } + return 0; +} + +static int vidioc_subscribe_event(struct v4l2_fh *fh, + const struct v4l2_event_subscription *sub) +{ + switch (sub->type) { + case V4L2_EVENT_EOS: + return v4l2_event_subscribe(fh, sub, 2, NULL); + default: + return -EINVAL; + } +} + + /* v4l2_ioctl_ops */ static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { .vidioc_querycap = vidioc_querycap, @@ -830,6 +894,9 @@ static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, .vidioc_g_crop = vidioc_g_crop, + .vidioc_decoder_cmd = vidioc_decoder_cmd, + .vidioc_subscribe_event = vidioc_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static int s5p_mfc_queue_setup(struct vb2_queue *vq, @@ -1147,3 +1214,4 @@ void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); } + |