diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-mailbox.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-mailbox.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c index 9605d54bd083..c07191e09fcb 100644 --- a/drivers/media/video/cx18/cx18-mailbox.c +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -81,6 +81,7 @@ static const struct cx18_api_info api_info[] = { API_ENTRY(CPU, CX18_CPU_SET_SLICED_VBI_PARAM, 0), API_ENTRY(CPU, CX18_CPU_SET_USERDATA_PLACE_HOLDER, 0), API_ENTRY(CPU, CX18_CPU_GET_ENC_PTS, 0), + API_ENTRY(CPU, CX18_CPU_SET_VFC_PARAM, 0), API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0), API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST), API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, API_SLOW), @@ -158,6 +159,60 @@ static void cx18_mdl_send_to_dvb(struct cx18_stream *s, struct cx18_mdl *mdl) } } +static void cx18_mdl_send_to_videobuf(struct cx18_stream *s, + struct cx18_mdl *mdl) +{ + struct cx18_videobuf_buffer *vb_buf; + struct cx18_buffer *buf; + u8 *p; + u32 offset = 0; + int dispatch = 0; + + if (mdl->bytesused == 0) + return; + + /* Acquire a videobuf buffer, clone to and and release it */ + spin_lock(&s->vb_lock); + if (list_empty(&s->vb_capture)) + goto out; + + vb_buf = list_first_entry(&s->vb_capture, struct cx18_videobuf_buffer, + vb.queue); + + p = videobuf_to_vmalloc(&vb_buf->vb); + if (!p) + goto out; + + offset = vb_buf->bytes_used; + list_for_each_entry(buf, &mdl->buf_list, list) { + if (buf->bytesused == 0) + break; + + if ((offset + buf->bytesused) <= vb_buf->vb.bsize) { + memcpy(p + offset, buf->buf, buf->bytesused); + offset += buf->bytesused; + vb_buf->bytes_used += buf->bytesused; + } + } + + /* If we've filled the buffer as per the callers res then dispatch it */ + if (vb_buf->bytes_used >= (vb_buf->vb.width * vb_buf->vb.height * 2)) { + dispatch = 1; + vb_buf->bytes_used = 0; + } + + if (dispatch) { + vb_buf->vb.ts = ktime_to_timeval(ktime_get()); + list_del(&vb_buf->vb.queue); + vb_buf->vb.state = VIDEOBUF_DONE; + wake_up(&vb_buf->vb.done); + } + + mod_timer(&s->vb_timeout, msecs_to_jiffies(2000) + jiffies); + +out: + spin_unlock(&s->vb_lock); +} static void cx18_mdl_send_to_alsa(struct cx18 *cx, struct cx18_stream *s, struct cx18_mdl *mdl) @@ -263,6 +318,9 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_in_work_order *order) } else { cx18_enqueue(s, mdl, &s->q_full); } + } else if (s->type == CX18_ENC_STREAM_TYPE_YUV) { + cx18_mdl_send_to_videobuf(s, mdl); + cx18_enqueue(s, mdl, &s->q_free); } else { cx18_enqueue(s, mdl, &s->q_full); if (s->type == CX18_ENC_STREAM_TYPE_IDX) |