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authorAndrzej Hajda <a.hajda@samsung.com>2012-08-21 08:05:32 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-10-02 13:58:04 -0300
commitf9f715a95d07d3868bb30aeb20252b6b05d35d8f (patch)
tree53a684372a77a28412e06ad66855a6f9c747f000 /drivers/media/platform/s5p-mfc/s5p_mfc.c
parent5565a2ad47cdd8e697a28137bd8379455667bc1c (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.c43
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 9360d5771823..776e6bc241fc 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,

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