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path: root/drivers/media/video/ivtv/ivtv-irq.c
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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-irq.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-irq.c95
1 files changed, 66 insertions, 29 deletions
diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c
index fd1688e4757d..65604dde9726 100644
--- a/drivers/media/video/ivtv/ivtv-irq.c
+++ b/drivers/media/video/ivtv/ivtv-irq.c
@@ -204,7 +204,7 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
s->sg_pending[idx].dst = buf->dma_handle;
s->sg_pending[idx].src = offset;
s->sg_pending[idx].size = s->buf_size;
- buf->bytesused = (size < s->buf_size) ? size : s->buf_size;
+ buf->bytesused = min(size, s->buf_size);
buf->dma_xfer_cnt = s->dma_xfer_cnt;
s->q_predma.bytesused += buf->bytesused;
@@ -302,8 +302,11 @@ static void dma_post(struct ivtv_stream *s)
void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock)
{
struct ivtv *itv = s->itv;
+ struct yuv_playback_info *yi = &itv->yuv_info;
+ u8 frame = yi->draw_frame;
+ struct yuv_frame_info *f = &yi->new_frame_info[frame];
struct ivtv_buffer *buf;
- u32 y_size = itv->params.height * itv->params.width;
+ u32 y_size = 720 * ((f->src_h + 31) & ~31);
u32 uv_offset = offset + IVTV_YUV_BUFFER_UV_OFFSET;
int y_done = 0;
int bytes_written = 0;
@@ -311,17 +314,42 @@ void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock)
int idx = 0;
IVTV_DEBUG_HI_DMA("DEC PREPARE DMA %s: %08x %08x\n", s->name, s->q_predma.bytesused, offset);
+
+ /* Insert buffer block for YUV if needed */
+ if (s->type == IVTV_DEC_STREAM_TYPE_YUV && f->offset_y) {
+ if (yi->blanking_dmaptr) {
+ s->sg_pending[idx].src = yi->blanking_dmaptr;
+ s->sg_pending[idx].dst = offset;
+ s->sg_pending[idx].size = 720 * 16;
+ }
+ offset += 720 * 16;
+ idx++;
+ }
+
list_for_each_entry(buf, &s->q_predma.list, list) {
/* YUV UV Offset from Y Buffer */
- if (s->type == IVTV_DEC_STREAM_TYPE_YUV && !y_done && bytes_written >= y_size) {
+ if (s->type == IVTV_DEC_STREAM_TYPE_YUV && !y_done &&
+ (bytes_written + buf->bytesused) >= y_size) {
+ s->sg_pending[idx].src = buf->dma_handle;
+ s->sg_pending[idx].dst = offset;
+ s->sg_pending[idx].size = y_size - bytes_written;
offset = uv_offset;
+ if (s->sg_pending[idx].size != buf->bytesused) {
+ idx++;
+ s->sg_pending[idx].src =
+ buf->dma_handle + s->sg_pending[idx - 1].size;
+ s->sg_pending[idx].dst = offset;
+ s->sg_pending[idx].size =
+ buf->bytesused - s->sg_pending[idx - 1].size;
+ offset += s->sg_pending[idx].size;
+ }
y_done = 1;
+ } else {
+ s->sg_pending[idx].src = buf->dma_handle;
+ s->sg_pending[idx].dst = offset;
+ s->sg_pending[idx].size = buf->bytesused;
+ offset += buf->bytesused;
}
- s->sg_pending[idx].src = buf->dma_handle;
- s->sg_pending[idx].dst = offset;
- s->sg_pending[idx].size = buf->bytesused;
-
- offset += buf->bytesused;
bytes_written += buf->bytesused;
/* Sync SG buffers */
@@ -408,7 +436,7 @@ static void ivtv_dma_enc_start(struct ivtv_stream *s)
s_vbi->sg_pending_size = 0;
s_vbi->dma_xfer_cnt++;
set_bit(IVTV_F_S_DMA_HAS_VBI, &s->s_flags);
- IVTV_DEBUG_HI_DMA("include DMA for %s\n", s->name);
+ IVTV_DEBUG_HI_DMA("include DMA for %s\n", s_vbi->name);
}
s->dma_xfer_cnt++;
@@ -700,12 +728,15 @@ static void ivtv_irq_dec_data_req(struct ivtv *itv)
ivtv_api_get_data(&itv->dec_mbox, IVTV_MBOX_DMA, data);
if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags)) {
- itv->dma_data_req_size = itv->params.width * itv->params.height * 3 / 2;
- itv->dma_data_req_offset = data[1] ? data[1] : yuv_offset[0];
+ itv->dma_data_req_size =
+ 1080 * ((itv->yuv_info.v4l2_src_h + 31) & ~31);
+ itv->dma_data_req_offset = data[1];
+ if (atomic_read(&itv->yuv_info.next_dma_frame) >= 0)
+ ivtv_yuv_frame_complete(itv);
s = &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
}
else {
- itv->dma_data_req_size = data[2] >= 0x10000 ? 0x10000 : data[2];
+ itv->dma_data_req_size = min_t(u32, data[2], 0x10000);
itv->dma_data_req_offset = data[1];
s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
}
@@ -715,6 +746,8 @@ static void ivtv_irq_dec_data_req(struct ivtv *itv)
set_bit(IVTV_F_S_NEEDS_DATA, &s->s_flags);
}
else {
+ if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
+ ivtv_yuv_setup_stream_frame(itv);
clear_bit(IVTV_F_S_NEEDS_DATA, &s->s_flags);
ivtv_queue_move(s, &s->q_full, NULL, &s->q_predma, itv->dma_data_req_size);
ivtv_dma_stream_dec_prepare(s, itv->dma_data_req_offset + IVTV_DECODER_OFFSET, 0);
@@ -731,24 +764,26 @@ static void ivtv_irq_vsync(struct ivtv *itv)
* one vsync per frame.
*/
unsigned int frame = read_reg(0x28c0) & 1;
+ struct yuv_playback_info *yi = &itv->yuv_info;
int last_dma_frame = atomic_read(&itv->yuv_info.next_dma_frame);
+ struct yuv_frame_info *f = &yi->new_frame_info[last_dma_frame];
if (0) IVTV_DEBUG_IRQ("DEC VSYNC\n");
- if (((frame ^ itv->yuv_info.sync_field[last_dma_frame]) == 0 &&
- ((itv->last_vsync_field & 1) ^ itv->yuv_info.sync_field[last_dma_frame])) ||
- (frame != (itv->last_vsync_field & 1) && !itv->yuv_info.frame_interlaced)) {
+ if (((frame ^ f->sync_field) == 0 &&
+ ((itv->last_vsync_field & 1) ^ f->sync_field)) ||
+ (frame != (itv->last_vsync_field & 1) && !f->interlaced)) {
int next_dma_frame = last_dma_frame;
- if (!(itv->yuv_info.frame_interlaced && itv->yuv_info.field_delay[next_dma_frame] && itv->yuv_info.fields_lapsed < 1)) {
- if (next_dma_frame >= 0 && next_dma_frame != atomic_read(&itv->yuv_info.next_fill_frame)) {
+ if (!(f->interlaced && f->delay && yi->fields_lapsed < 1)) {
+ if (next_dma_frame >= 0 && next_dma_frame != atomic_read(&yi->next_fill_frame)) {
write_reg(yuv_offset[next_dma_frame] >> 4, 0x82c);
write_reg((yuv_offset[next_dma_frame] + IVTV_YUV_BUFFER_UV_OFFSET) >> 4, 0x830);
write_reg(yuv_offset[next_dma_frame] >> 4, 0x834);
write_reg((yuv_offset[next_dma_frame] + IVTV_YUV_BUFFER_UV_OFFSET) >> 4, 0x838);
- next_dma_frame = (next_dma_frame + 1) & 0x3;
- atomic_set(&itv->yuv_info.next_dma_frame, next_dma_frame);
- itv->yuv_info.fields_lapsed = -1;
+ next_dma_frame = (next_dma_frame + 1) % IVTV_YUV_BUFFERS;
+ atomic_set(&yi->next_dma_frame, next_dma_frame);
+ yi->fields_lapsed = -1;
}
}
}
@@ -781,20 +816,22 @@ static void ivtv_irq_vsync(struct ivtv *itv)
}
/* Check if we need to update the yuv registers */
- if ((itv->yuv_info.yuv_forced_update || itv->yuv_info.new_frame_info[last_dma_frame].update) && last_dma_frame != -1) {
- if (!itv->yuv_info.new_frame_info[last_dma_frame].update)
- last_dma_frame = (last_dma_frame - 1) & 3;
-
- if (itv->yuv_info.new_frame_info[last_dma_frame].src_w) {
- itv->yuv_info.update_frame = last_dma_frame;
- itv->yuv_info.new_frame_info[last_dma_frame].update = 0;
- itv->yuv_info.yuv_forced_update = 0;
+ if ((yi->yuv_forced_update || f->update) && last_dma_frame != -1) {
+ if (!f->update) {
+ last_dma_frame = (u8)(last_dma_frame - 1) % IVTV_YUV_BUFFERS;
+ f = &yi->new_frame_info[last_dma_frame];
+ }
+
+ if (f->src_w) {
+ yi->update_frame = last_dma_frame;
+ f->update = 0;
+ yi->yuv_forced_update = 0;
set_bit(IVTV_F_I_WORK_HANDLER_YUV, &itv->i_flags);
set_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags);
}
}
- itv->yuv_info.fields_lapsed ++;
+ yi->fields_lapsed++;
}
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-06 20:15:23 +0000