diff options
| author | Andrzej Hajda <a.hajda@samsung.com> | 2012-08-21 08:05:32 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-02 13:58:04 -0300 |
| commit | f9f715a95d07d3868bb30aeb20252b6b05d35d8f (patch) | |
| tree | 53a684372a77a28412e06ad66855a6f9c747f000 /drivers/media/platform/s5p-mfc/s5p_mfc.c | |
| parent | 5565a2ad47cdd8e697a28137bd8379455667bc1c (diff) | |
[media] s5p-mfc: added support for end of stream handling in MFC encoder
s5p-mfc encoder after receiving V4L2_ENC_CMD_STOP command
will instruct MFC device to release all encoded frames.
After dequeuing last encoded frame driver will generate
V4L2_EVENT_EOS event.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc.c')
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 9360d577182..776e6bc241f 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -19,6 +19,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/videodev2.h> +#include <media/v4l2-event.h> #include <linux/workqueue.h> #include <media/videobuf2-core.h> #include "regs-mfc.h" @@ -539,6 +540,40 @@ static void s5p_mfc_handle_init_buffers(struct s5p_mfc_ctx *ctx, } } +static void s5p_mfc_handle_stream_complete(struct s5p_mfc_ctx *ctx, + unsigned int reason, unsigned int err) +{ + struct s5p_mfc_dev *dev = ctx->dev; + struct s5p_mfc_buf *mb_entry; + + mfc_debug(2, "Stream completed"); + + s5p_mfc_clear_int_flags(dev); + ctx->int_type = reason; + ctx->int_err = err; + ctx->state = MFCINST_FINISHED; + + spin_lock(&dev->irqlock); + if (!list_empty(&ctx->dst_queue)) { + mb_entry = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, + list); + list_del(&mb_entry->list); + ctx->dst_queue_cnt--; + vb2_set_plane_payload(mb_entry->b, 0, 0); + vb2_buffer_done(mb_entry->b, VB2_BUF_STATE_DONE); + } + spin_unlock(&dev->irqlock); + + clear_work_bit(ctx); + + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + WARN_ON(1); + + s5p_mfc_clock_off(); + wake_up(&ctx->queue); + s5p_mfc_try_run(dev); +} + /* Interrupt processing */ static irqreturn_t s5p_mfc_irq(int irq, void *priv) { @@ -614,6 +649,11 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv) case S5P_FIMV_R2H_CMD_INIT_BUFFERS_RET: s5p_mfc_handle_init_buffers(ctx, reason, err); break; + + case S5P_FIMV_R2H_CMD_ENC_COMPLETE_RET: + s5p_mfc_handle_stream_complete(ctx, reason, err); + break; + default: mfc_debug(2, "Unknown int reason\n"); s5p_mfc_clear_int_flags(dev); @@ -889,9 +929,12 @@ static unsigned int s5p_mfc_poll(struct file *file, goto end; } mutex_unlock(&dev->mfc_mutex); + poll_wait(file, &ctx->fh.wait, wait); poll_wait(file, &src_q->done_wq, wait); poll_wait(file, &dst_q->done_wq, wait); mutex_lock(&dev->mfc_mutex); + if (v4l2_event_pending(&ctx->fh)) + rc |= POLLPRI; spin_lock_irqsave(&src_q->done_lock, flags); if (!list_empty(&src_q->done_list)) src_vb = list_first_entry(&src_q->done_list, struct vb2_buffer, |