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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.c321
1 files changed, 185 insertions, 136 deletions
diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c
index fcd6e7f5f12..fd1688e4757 100644
--- a/drivers/media/video/ivtv/ivtv-irq.c
+++ b/drivers/media/video/ivtv/ivtv-irq.c
@@ -19,12 +19,9 @@
*/
#include "ivtv-driver.h"
-#include "ivtv-firmware.h"
-#include "ivtv-fileops.h"
#include "ivtv-queue.h"
#include "ivtv-udma.h"
#include "ivtv-irq.h"
-#include "ivtv-ioctl.h"
#include "ivtv-mailbox.h"
#include "ivtv-vbi.h"
#include "ivtv-yuv.h"
@@ -45,7 +42,6 @@ static void ivtv_pio_work_handler(struct ivtv *itv)
{
struct ivtv_stream *s = &itv->streams[itv->cur_pio_stream];
struct ivtv_buffer *buf;
- struct list_head *p;
int i = 0;
IVTV_DEBUG_HI_DMA("ivtv_pio_work_handler\n");
@@ -57,21 +53,19 @@ static void ivtv_pio_work_handler(struct ivtv *itv)
return;
}
IVTV_DEBUG_HI_DMA("Process PIO %s\n", s->name);
- buf = list_entry(s->q_dma.list.next, struct ivtv_buffer, list);
- list_for_each(p, &s->q_dma.list) {
- struct ivtv_buffer *buf = list_entry(p, struct ivtv_buffer, list);
- u32 size = s->PIOarray[i].size & 0x3ffff;
+ list_for_each_entry(buf, &s->q_dma.list, list) {
+ u32 size = s->sg_processing[i].size & 0x3ffff;
/* Copy the data from the card to the buffer */
if (s->type == IVTV_DEC_STREAM_TYPE_VBI) {
- memcpy_fromio(buf->buf, itv->dec_mem + s->PIOarray[i].src - IVTV_DECODER_OFFSET, size);
+ memcpy_fromio(buf->buf, itv->dec_mem + s->sg_processing[i].src - IVTV_DECODER_OFFSET, size);
}
else {
- memcpy_fromio(buf->buf, itv->enc_mem + s->PIOarray[i].src, size);
+ memcpy_fromio(buf->buf, itv->enc_mem + s->sg_processing[i].src, size);
}
- if (s->PIOarray[i].size & 0x80000000)
- break;
i++;
+ if (i == s->sg_processing_size)
+ break;
}
write_reg(IVTV_IRQ_ENC_PIO_COMPLETE, 0x44);
}
@@ -100,12 +94,11 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
{
struct ivtv *itv = s->itv;
struct ivtv_buffer *buf;
- struct list_head *p;
u32 bytes_needed = 0;
u32 offset, size;
u32 UVoffset = 0, UVsize = 0;
int skip_bufs = s->q_predma.buffers;
- int idx = s->SG_length;
+ int idx = s->sg_pending_size;
int rc;
/* sanity checks */
@@ -123,7 +116,7 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
case IVTV_ENC_STREAM_TYPE_MPG:
offset = data[1];
size = data[2];
- s->dma_pts = 0;
+ s->pending_pts = 0;
break;
case IVTV_ENC_STREAM_TYPE_YUV:
@@ -131,13 +124,13 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
size = data[2];
UVoffset = data[3];
UVsize = data[4];
- s->dma_pts = ((u64) data[5] << 32) | data[6];
+ s->pending_pts = ((u64) data[5] << 32) | data[6];
break;
case IVTV_ENC_STREAM_TYPE_PCM:
offset = data[1] + 12;
size = data[2] - 12;
- s->dma_pts = read_dec(offset - 8) |
+ s->pending_pts = read_dec(offset - 8) |
((u64)(read_dec(offset - 12)) << 32);
if (itv->has_cx23415)
offset += IVTV_DECODER_OFFSET;
@@ -150,13 +143,13 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
IVTV_DEBUG_INFO("VBI offset == 0\n");
return -1;
}
- s->dma_pts = read_enc(offset - 4) | ((u64)read_enc(offset - 8) << 32);
+ s->pending_pts = read_enc(offset - 4) | ((u64)read_enc(offset - 8) << 32);
break;
case IVTV_DEC_STREAM_TYPE_VBI:
size = read_dec(itv->vbi.dec_start + 4) + 8;
offset = read_dec(itv->vbi.dec_start) + itv->vbi.dec_start;
- s->dma_pts = 0;
+ s->pending_pts = 0;
offset += IVTV_DECODER_OFFSET;
break;
default:
@@ -165,17 +158,17 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
}
/* if this is the start of the DMA then fill in the magic cookie */
- if (s->SG_length == 0) {
+ if (s->sg_pending_size == 0 && ivtv_use_dma(s)) {
if (itv->has_cx23415 && (s->type == IVTV_ENC_STREAM_TYPE_PCM ||
s->type == IVTV_DEC_STREAM_TYPE_VBI)) {
- s->dma_backup = read_dec(offset - IVTV_DECODER_OFFSET);
+ s->pending_backup = read_dec(offset - IVTV_DECODER_OFFSET);
write_dec_sync(cpu_to_le32(DMA_MAGIC_COOKIE), offset - IVTV_DECODER_OFFSET);
}
else {
- s->dma_backup = read_enc(offset);
+ s->pending_backup = read_enc(offset);
write_enc_sync(cpu_to_le32(DMA_MAGIC_COOKIE), offset);
}
- s->dma_offset = offset;
+ s->pending_offset = offset;
}
bytes_needed = size;
@@ -202,18 +195,17 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
}
s->buffers_stolen = rc;
- /* got the buffers, now fill in SGarray (DMA) */
+ /* got the buffers, now fill in sg_pending */
buf = list_entry(s->q_predma.list.next, struct ivtv_buffer, list);
memset(buf->buf, 0, 128);
- list_for_each(p, &s->q_predma.list) {
- struct ivtv_buffer *buf = list_entry(p, struct ivtv_buffer, list);
-
+ list_for_each_entry(buf, &s->q_predma.list, list) {
if (skip_bufs-- > 0)
continue;
- s->SGarray[idx].dst = cpu_to_le32(buf->dma_handle);
- s->SGarray[idx].src = cpu_to_le32(offset);
- s->SGarray[idx].size = cpu_to_le32(s->buf_size);
+ 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->dma_xfer_cnt = s->dma_xfer_cnt;
s->q_predma.bytesused += buf->bytesused;
size -= buf->bytesused;
@@ -229,7 +221,7 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
}
idx++;
}
- s->SG_length = idx;
+ s->sg_pending_size = idx;
return 0;
}
@@ -251,7 +243,7 @@ static void dma_post(struct ivtv_stream *s)
/* Sync Buffer */
ivtv_buf_sync_for_cpu(s, buf);
- if (x == 0) {
+ if (x == 0 && ivtv_use_dma(s)) {
offset = s->dma_last_offset;
if (u32buf[offset / 4] != DMA_MAGIC_COOKIE)
{
@@ -286,14 +278,12 @@ static void dma_post(struct ivtv_stream *s)
/* flag byteswap ABCD -> DCBA for MPG & VBI data outside irq */
if (s->type == IVTV_ENC_STREAM_TYPE_MPG ||
s->type == IVTV_ENC_STREAM_TYPE_VBI)
- set_bit(IVTV_F_B_NEED_BUF_SWAP, &buf->b_flags);
+ buf->b_flags |= IVTV_F_B_NEED_BUF_SWAP;
}
if (buf)
buf->bytesused += s->dma_last_offset;
if (buf && s->type == IVTV_DEC_STREAM_TYPE_VBI) {
- list_for_each(p, &s->q_dma.list) {
- buf = list_entry(p, struct ivtv_buffer, list);
-
+ list_for_each_entry(buf, &s->q_dma.list, list) {
/* Parse and Groom VBI Data */
s->q_dma.bytesused -= buf->bytesused;
ivtv_process_vbi_data(itv, buf, 0, s->type);
@@ -313,7 +303,6 @@ void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock)
{
struct ivtv *itv = s->itv;
struct ivtv_buffer *buf;
- struct list_head *p;
u32 y_size = itv->params.height * itv->params.width;
u32 uv_offset = offset + IVTV_YUV_BUFFER_UV_OFFSET;
int y_done = 0;
@@ -322,18 +311,15 @@ 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);
- buf = list_entry(s->q_predma.list.next, struct ivtv_buffer, list);
- list_for_each(p, &s->q_predma.list) {
- struct ivtv_buffer *buf = list_entry(p, struct ivtv_buffer, list);
-
+ 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) {
offset = uv_offset;
y_done = 1;
}
- s->SGarray[idx].src = cpu_to_le32(buf->dma_handle);
- s->SGarray[idx].dst = cpu_to_le32(offset);
- s->SGarray[idx].size = cpu_to_le32(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;
@@ -342,10 +328,7 @@ void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock)
ivtv_buf_sync_for_device(s, buf);
idx++;
}
- s->SG_length = idx;
-
- /* Mark last buffer size for Interrupt flag */
- s->SGarray[s->SG_length - 1].size |= cpu_to_le32(0x80000000);
+ s->sg_pending_size = idx;
/* Sync Hardware SG List of buffers */
ivtv_stream_sync_for_device(s);
@@ -361,6 +344,34 @@ void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock)
spin_unlock_irqrestore(&itv->dma_reg_lock, flags);
}
+static void ivtv_dma_enc_start_xfer(struct ivtv_stream *s)
+{
+ struct ivtv *itv = s->itv;
+
+ s->sg_dma->src = cpu_to_le32(s->sg_processing[s->sg_processed].src);
+ s->sg_dma->dst = cpu_to_le32(s->sg_processing[s->sg_processed].dst);
+ s->sg_dma->size = cpu_to_le32(s->sg_processing[s->sg_processed].size | 0x80000000);
+ s->sg_processed++;
+ /* Sync Hardware SG List of buffers */
+ ivtv_stream_sync_for_device(s);
+ write_reg(s->sg_handle, IVTV_REG_ENCDMAADDR);
+ write_reg_sync(read_reg(IVTV_REG_DMAXFER) | 0x02, IVTV_REG_DMAXFER);
+}
+
+static void ivtv_dma_dec_start_xfer(struct ivtv_stream *s)
+{
+ struct ivtv *itv = s->itv;
+
+ s->sg_dma->src = cpu_to_le32(s->sg_processing[s->sg_processed].src);
+ s->sg_dma->dst = cpu_to_le32(s->sg_processing[s->sg_processed].dst);
+ s->sg_dma->size = cpu_to_le32(s->sg_processing[s->sg_processed].size | 0x80000000);
+ s->sg_processed++;
+ /* Sync Hardware SG List of buffers */
+ ivtv_stream_sync_for_device(s);
+ write_reg(s->sg_handle, IVTV_REG_DECDMAADDR);
+ write_reg_sync(read_reg(IVTV_REG_DMAXFER) | 0x01, IVTV_REG_DMAXFER);
+}
+
/* start the encoder DMA */
static void ivtv_dma_enc_start(struct ivtv_stream *s)
{
@@ -374,8 +385,7 @@ static void ivtv_dma_enc_start(struct ivtv_stream *s)
ivtv_queue_move(s, &s->q_predma, NULL, &s->q_dma, s->q_predma.bytesused);
if (ivtv_use_dma(s))
- s->SGarray[s->SG_length - 1].size =
- cpu_to_le32(le32_to_cpu(s->SGarray[s->SG_length - 1].size) + 256);
+ s->sg_pending[s->sg_pending_size - 1].size += 256;
/* If this is an MPEG stream, and VBI data is also pending, then append the
VBI DMA to the MPEG DMA and transfer both sets of data at once.
@@ -386,43 +396,39 @@ static void ivtv_dma_enc_start(struct ivtv_stream *s)
sure we only use the MPEG DMA to transfer the VBI DMA if both are in
use. This way no conflicts occur. */
clear_bit(IVTV_F_S_DMA_HAS_VBI, &s->s_flags);
- if (s->type == IVTV_ENC_STREAM_TYPE_MPG && s_vbi->SG_length &&
- s->SG_length + s_vbi->SG_length <= s->buffers) {
+ if (s->type == IVTV_ENC_STREAM_TYPE_MPG && s_vbi->sg_pending_size &&
+ s->sg_pending_size + s_vbi->sg_pending_size <= s->buffers) {
ivtv_queue_move(s_vbi, &s_vbi->q_predma, NULL, &s_vbi->q_dma, s_vbi->q_predma.bytesused);
if (ivtv_use_dma(s_vbi))
- s_vbi->SGarray[s_vbi->SG_length - 1].size = cpu_to_le32(le32_to_cpu(s_vbi->SGarray[s->SG_length - 1].size) + 256);
- for (i = 0; i < s_vbi->SG_length; i++) {
- s->SGarray[s->SG_length++] = s_vbi->SGarray[i];
+ s_vbi->sg_pending[s_vbi->sg_pending_size - 1].size += 256;
+ for (i = 0; i < s_vbi->sg_pending_size; i++) {
+ s->sg_pending[s->sg_pending_size++] = s_vbi->sg_pending[i];
}
- itv->vbi.dma_offset = s_vbi->dma_offset;
- s_vbi->SG_length = 0;
+ s_vbi->dma_offset = s_vbi->pending_offset;
+ 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);
}
- /* Mark last buffer size for Interrupt flag */
- s->SGarray[s->SG_length - 1].size |= cpu_to_le32(0x80000000);
-
- if (s->type == IVTV_ENC_STREAM_TYPE_VBI)
- set_bit(IVTV_F_I_ENC_VBI, &itv->i_flags);
- else
- clear_bit(IVTV_F_I_ENC_VBI, &itv->i_flags);
+ s->dma_xfer_cnt++;
+ memcpy(s->sg_processing, s->sg_pending, sizeof(struct ivtv_sg_element) * s->sg_pending_size);
+ s->sg_processing_size = s->sg_pending_size;
+ s->sg_pending_size = 0;
+ s->sg_processed = 0;
+ s->dma_offset = s->pending_offset;
+ s->dma_backup = s->pending_backup;
+ s->dma_pts = s->pending_pts;
if (ivtv_use_pio(s)) {
- for (i = 0; i < s->SG_length; i++) {
- s->PIOarray[i].src = le32_to_cpu(s->SGarray[i].src);
- s->PIOarray[i].size = le32_to_cpu(s->SGarray[i].size);
- }
set_bit(IVTV_F_I_WORK_HANDLER_PIO, &itv->i_flags);
set_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags);
set_bit(IVTV_F_I_PIO, &itv->i_flags);
itv->cur_pio_stream = s->type;
}
else {
- /* Sync Hardware SG List of buffers */
- ivtv_stream_sync_for_device(s);
- write_reg(s->SG_handle, IVTV_REG_ENCDMAADDR);
- write_reg_sync(read_reg(IVTV_REG_DMAXFER) | 0x02, IVTV_REG_DMAXFER);
+ itv->dma_retries = 0;
+ ivtv_dma_enc_start_xfer(s);
set_bit(IVTV_F_I_DMA, &itv->i_flags);
itv->cur_dma_stream = s->type;
itv->dma_timer.expires = jiffies + msecs_to_jiffies(100);
@@ -436,10 +442,15 @@ static void ivtv_dma_dec_start(struct ivtv_stream *s)
if (s->q_predma.bytesused)
ivtv_queue_move(s, &s->q_predma, NULL, &s->q_dma, s->q_predma.bytesused);
+ s->dma_xfer_cnt++;
+ memcpy(s->sg_processing, s->sg_pending, sizeof(struct ivtv_sg_element) * s->sg_pending_size);
+ s->sg_processing_size = s->sg_pending_size;
+ s->sg_pending_size = 0;
+ s->sg_processed = 0;
+
IVTV_DEBUG_HI_DMA("start DMA for %s\n", s->name);
- /* put SG Handle into register 0x0c */
- write_reg(s->SG_handle, IVTV_REG_DECDMAADDR);
- write_reg_sync(read_reg(IVTV_REG_DMAXFER) | 0x01, IVTV_REG_DMAXFER);
+ itv->dma_retries = 0;
+ ivtv_dma_dec_start_xfer(s);
set_bit(IVTV_F_I_DMA, &itv->i_flags);
itv->cur_dma_stream = s->type;
itv->dma_timer.expires = jiffies + msecs_to_jiffies(100);
@@ -450,27 +461,44 @@ static void ivtv_irq_dma_read(struct ivtv *itv)
{
struct ivtv_stream *s = NULL;
struct ivtv_buffer *buf;
- int hw_stream_type;
+ int hw_stream_type = 0;
IVTV_DEBUG_HI_IRQ("DEC DMA READ\n");
- del_timer(&itv->dma_timer);
- if (read_reg(IVTV_REG_DMASTATUS) & 0x14) {
- IVTV_DEBUG_WARN("DEC DMA ERROR %x\n", read_reg(IVTV_REG_DMASTATUS));
- write_reg(read_reg(IVTV_REG_DMASTATUS) & 3, IVTV_REG_DMASTATUS);
+ if (!test_bit(IVTV_F_I_UDMA, &itv->i_flags) && itv->cur_dma_stream < 0) {
+ del_timer(&itv->dma_timer);
+ return;
}
+
if (!test_bit(IVTV_F_I_UDMA, &itv->i_flags)) {
- if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags)) {
- s = &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
- hw_stream_type = 2;
+ s = &itv->streams[itv->cur_dma_stream];
+ ivtv_stream_sync_for_cpu(s);
+
+ if (read_reg(IVTV_REG_DMASTATUS) & 0x14) {
+ IVTV_DEBUG_WARN("DEC DMA ERROR %x (xfer %d of %d, retry %d)\n",
+ read_reg(IVTV_REG_DMASTATUS),
+ s->sg_processed, s->sg_processing_size, itv->dma_retries);
+ write_reg(read_reg(IVTV_REG_DMASTATUS) & 3, IVTV_REG_DMASTATUS);
+ if (itv->dma_retries == 3) {
+ /* Too many retries, give up on this frame */
+ itv->dma_retries = 0;
+ s->sg_processed = s->sg_processing_size;
+ }
+ else {
+ /* Retry, starting with the first xfer segment.
+ Just retrying the current segment is not sufficient. */
+ s->sg_processed = 0;
+ itv->dma_retries++;
+ }
}
- else {
- s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
- hw_stream_type = 0;
+ if (s->sg_processed < s->sg_processing_size) {
+ /* DMA next buffer */
+ ivtv_dma_dec_start_xfer(s);
+ return;
}
+ if (s->type == IVTV_DEC_STREAM_TYPE_YUV)
+ hw_stream_type = 2;
IVTV_DEBUG_HI_DMA("DEC DATA READ %s: %d\n", s->name, s->q_dma.bytesused);
- ivtv_stream_sync_for_cpu(s);
-
/* For some reason must kick the firmware, like PIO mode,
I think this tells the firmware we are done and the size
of the xfer so it can calculate what we need next.
@@ -487,6 +515,7 @@ static void ivtv_irq_dma_read(struct ivtv *itv)
}
wake_up(&s->waitq);
}
+ del_timer(&itv->dma_timer);
clear_bit(IVTV_F_I_UDMA, &itv->i_flags);
clear_bit(IVTV_F_I_DMA, &itv->i_flags);
itv->cur_dma_stream = -1;
@@ -498,33 +527,46 @@ static void ivtv_irq_enc_dma_complete(struct ivtv *itv)
u32 data[CX2341X_MBOX_MAX_DATA];
struct ivtv_stream *s;
- del_timer(&itv->dma_timer);
ivtv_api_get_data(&itv->enc_mbox, IVTV_MBOX_DMA_END, data);
- IVTV_DEBUG_HI_IRQ("ENC DMA COMPLETE %x %d\n", data[0], data[1]);
- if (test_and_clear_bit(IVTV_F_I_ENC_VBI, &itv->i_flags))
- data[1] = 3;
- else if (data[1] > 2)
+ IVTV_DEBUG_HI_IRQ("ENC DMA COMPLETE %x %d (%d)\n", data[0], data[1], itv->cur_dma_stream);
+ if (itv->cur_dma_stream < 0) {
+ del_timer(&itv->dma_timer);
return;
- s = &itv->streams[ivtv_stream_map[data[1]]];
+ }
+ s = &itv->streams[itv->cur_dma_stream];
+ ivtv_stream_sync_for_cpu(s);
+
if (data[0] & 0x18) {
- IVTV_DEBUG_WARN("ENC DMA ERROR %x\n", data[0]);
+ IVTV_DEBUG_WARN("ENC DMA ERROR %x (offset %08x, xfer %d of %d, retry %d)\n", data[0],
+ s->dma_offset, s->sg_processed, s->sg_processing_size, itv->dma_retries);
write_reg(read_reg(IVTV_REG_DMASTATUS) & 3, IVTV_REG_DMASTATUS);
- ivtv_vapi(itv, CX2341X_ENC_SCHED_DMA_TO_HOST, 3, 0, 0, data[1]);
+ if (itv->dma_retries == 3) {
+ /* Too many retries, give up on this frame */
+ itv->dma_retries = 0;
+ s->sg_processed = s->sg_processing_size;
+ }
+ else {
+ /* Retry, starting with the first xfer segment.
+ Just retrying the current segment is not sufficient. */
+ s->sg_processed = 0;
+ itv->dma_retries++;
+ }
+ }
+ if (s->sg_processed < s->sg_processing_size) {
+ /* DMA next buffer */
+ ivtv_dma_enc_start_xfer(s);
+ return;
}
- s->SG_length = 0;
+ del_timer(&itv->dma_timer);
clear_bit(IVTV_F_I_DMA, &itv->i_flags);
itv->cur_dma_stream = -1;
dma_post(s);
- ivtv_stream_sync_for_cpu(s);
if (test_and_clear_bit(IVTV_F_S_DMA_HAS_VBI, &s->s_flags)) {
- u32 tmp;
-
s = &itv->streams[IVTV_ENC_STREAM_TYPE_VBI];
- tmp = s->dma_offset;
- s->dma_offset = itv->vbi.dma_offset;
dma_post(s);
- s->dma_offset = tmp;
}
+ s->sg_processing_size = 0;
+ s->sg_processed = 0;
wake_up(&itv->dma_waitq);
}
@@ -538,8 +580,6 @@ static void ivtv_irq_enc_pio_complete(struct ivtv *itv)
}
s = &itv->streams[itv->cur_pio_stream];
IVTV_DEBUG_HI_IRQ("ENC PIO COMPLETE %s\n", s->name);
- s->SG_length = 0;
- clear_bit(IVTV_F_I_ENC_VBI, &itv->i_flags);
clear_bit(IVTV_F_I_PIO, &itv->i_flags);
itv->cur_pio_stream = -1;
dma_post(s);
@@ -551,13 +591,8 @@ static void ivtv_irq_enc_pio_complete(struct ivtv *itv)
ivtv_vapi(itv, CX2341X_ENC_SCHED_DMA_TO_HOST, 3, 0, 0, 2);
clear_bit(IVTV_F_I_PIO, &itv->i_flags);
if (test_and_clear_bit(IVTV_F_S_DMA_HAS_VBI, &s->s_flags)) {
- u32 tmp;
-
s = &itv->streams[IVTV_ENC_STREAM_TYPE_VBI];
- tmp = s->dma_offset;
- s->dma_offset = itv->vbi.dma_offset;
dma_post(s);
- s->dma_offset = tmp;
}
wake_up(&itv->dma_waitq);
}
@@ -569,19 +604,23 @@ static void ivtv_irq_dma_err(struct ivtv *itv)
del_timer(&itv->dma_timer);
ivtv_api_get_data(&itv->enc_mbox, IVTV_MBOX_DMA_END, data);
IVTV_DEBUG_WARN("DMA ERROR %08x %08x %08x %d\n", data[0], data[1],
- read_reg(IVTV_REG_DMASTATUS), itv->cur_dma_stream);
+ read_reg(IVTV_REG_DMASTATUS), itv->cur_dma_stream);
+ write_reg(read_reg(IVTV_REG_DMASTATUS) & 3, IVTV_REG_DMASTATUS);
if (!test_bit(IVTV_F_I_UDMA, &itv->i_flags) &&
itv->cur_dma_stream >= 0 && itv->cur_dma_stream < IVTV_MAX_STREAMS) {
struct ivtv_stream *s = &itv->streams[itv->cur_dma_stream];
/* retry */
- write_reg(read_reg(IVTV_REG_DMASTATUS) & 3, IVTV_REG_DMASTATUS);
if (s->type >= IVTV_DEC_STREAM_TYPE_MPG)
ivtv_dma_dec_start(s);
else
ivtv_dma_enc_start(s);
return;
}
+ if (test_bit(IVTV_F_I_UDMA, &itv->i_flags)) {
+ ivtv_udma_start(itv);
+ return;
+ }
clear_bit(IVTV_F_I_UDMA, &itv->i_flags);
clear_bit(IVTV_F_I_DMA, &itv->i_flags);
itv->cur_dma_stream = -1;
@@ -625,14 +664,12 @@ static void ivtv_irq_enc_vbi_cap(struct ivtv *itv)
DMA the data. Since at most four VBI DMA buffers are available,
we just drop the old requests when there are already three
requests queued. */
- if (s->SG_length > 2) {
- struct list_head *p;
- list_for_each(p, &s->q_predma.list) {
- struct ivtv_buffer *buf = list_entry(p, struct ivtv_buffer, list);
+ if (s->sg_pending_size > 2) {
+ struct ivtv_buffer *buf;
+ list_for_each_entry(buf, &s->q_predma.list, list)
ivtv_buf_sync_for_cpu(s, buf);
- }
ivtv_queue_move(s, &s->q_predma, NULL, &s->q_free, 0);
- s->SG_length = 0;
+ s->sg_pending_size = 0;
}
/* if we can append the data, and the MPEG stream isn't capturing,
then start a DMA request for just the VBI data. */
@@ -698,23 +735,27 @@ static void ivtv_irq_vsync(struct ivtv *itv)
if (0) IVTV_DEBUG_IRQ("DEC VSYNC\n");
- if (((frame ^ itv->yuv_info.lace_sync_field) == 0 && ((itv->lastVsyncFrame & 1) ^ itv->yuv_info.lace_sync_field)) ||
- (frame != (itv->lastVsyncFrame & 1) && !itv->yuv_info.frame_interlaced)) {
+ 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)) {
int next_dma_frame = last_dma_frame;
- if (next_dma_frame >= 0 && next_dma_frame != atomic_read(&itv->yuv_info.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);
+ 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)) {
+ 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;
+ }
}
}
- if (frame != (itv->lastVsyncFrame & 1)) {
+ if (frame != (itv->last_vsync_field & 1)) {
struct ivtv_stream *s = ivtv_get_output_stream(itv);
- itv->lastVsyncFrame += 1;
+ itv->last_vsync_field += 1;
if (frame == 0) {
clear_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
clear_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags);
@@ -731,7 +772,10 @@ static void ivtv_irq_vsync(struct ivtv *itv)
wake_up(&s->waitq);
/* Send VBI to saa7127 */
- if (frame) {
+ if (frame && (itv->output_mode == OUT_PASSTHROUGH ||
+ test_bit(IVTV_F_I_UPDATE_WSS, &itv->i_flags) ||
+ test_bit(IVTV_F_I_UPDATE_VPS, &itv->i_flags) ||
+ test_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags))) {
set_bit(IVTV_F_I_WORK_HANDLER_VBI, &itv->i_flags);
set_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags);
}
@@ -749,10 +793,12 @@ static void ivtv_irq_vsync(struct ivtv *itv)
set_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags);
}
}
+
+ itv->yuv_info.fields_lapsed ++;
}
}
-#define IVTV_IRQ_DMA (IVTV_IRQ_DMA_READ | IVTV_IRQ_ENC_DMA_COMPLETE | IVTV_IRQ_DMA_ERR | IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_VBI_CAP | IVTV_IRQ_DEC_DATA_REQ)
+#define IVTV_IRQ_DMA (IVTV_IRQ_DMA_READ | IVTV_IRQ_ENC_DMA_COMPLETE | IVTV_IRQ_DMA_ERR | IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_VBI_CAP | IVTV_IRQ_DEC_DATA_REQ | IVTV_IRQ_DEC_VBI_RE_INSERT)
irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
{
@@ -777,7 +823,7 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
*/
if (~itv->irqmask & IVTV_IRQ_DEC_VSYNC) {
/* vsync is enabled, see if we're in a new field */
- if ((itv->lastVsyncFrame & 1) != (read_reg(0x28c0) & 1)) {
+ if ((itv->last_vsync_field & 1) != (read_reg(0x28c0) & 1)) {
/* New field, looks like we missed it */
IVTV_DEBUG_YUV("VSync interrupt missed %d\n",read_reg(0x28c0)>>16);
vsync_force = 1;
@@ -831,7 +877,7 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
if (combo & IVTV_IRQ_ENC_EOS) {
IVTV_DEBUG_IRQ("ENC EOS\n");
set_bit(IVTV_F_I_EOS, &itv->i_flags);
- wake_up(&itv->cap_w);
+ wake_up(&itv->eos_waitq);
}
if (combo & IVTV_IRQ_DEC_DATA_REQ) {
@@ -853,8 +899,9 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
}
if ((combo & IVTV_IRQ_DMA) && !test_bit(IVTV_F_I_DMA, &itv->i_flags)) {
+ itv->irq_rr_idx++;
for (i = 0; i < IVTV_MAX_STREAMS; i++) {
- int idx = (i + itv->irq_rr_idx++) % IVTV_MAX_STREAMS;
+ int idx = (i + itv->irq_rr_idx) % IVTV_MAX_STREAMS;
struct ivtv_stream *s = &itv->streams[idx];
if (!test_and_clear_bit(IVTV_F_S_DMA_PENDING, &s->s_flags))
@@ -871,8 +918,9 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
}
if ((combo & IVTV_IRQ_DMA) && !test_bit(IVTV_F_I_PIO, &itv->i_flags)) {
+ itv->irq_rr_idx++;
for (i = 0; i < IVTV_MAX_STREAMS; i++) {
- int idx = (i + itv->irq_rr_idx++) % IVTV_MAX_STREAMS;
+ int idx = (i + itv->irq_rr_idx) % IVTV_MAX_STREAMS;
struct ivtv_stream *s = &itv->streams[idx];
if (!test_and_clear_bit(IVTV_F_S_PIO_PENDING, &s->s_flags))
@@ -883,8 +931,9 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
}
}
- if (test_and_clear_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags))
+ if (test_and_clear_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags)) {
queue_work(itv->irq_work_queues, &itv->irq_work_queue);
+ }
spin_unlock(&itv->dma_reg_lock);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-26 20:23:15 +0000