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V4L/DVB (11938): big rework of TS for saa7134

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1. Add start/stop TS function.
2. Move setup DMA of TS to DMA function.
3. Write support cupture via MMAP
4. Rework startup and finish process, remove simple FSM.

Tested-by: Hermann Pitton <hermann-pitton@arcor.de>
Tested-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Alexey Osipov <lion-simba@pridelands.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Dmitri Belimov 2009-05-28 01:58:57 -03:00 committed by Mauro Carvalho Chehab
parent 028bbfedcc
commit 6b6b75432c
5 changed files with 100 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/media/video/saa7134/saa7134-cards.c
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@ -4458,6 +4458,7 @@ struct saa7134_board saa7134_boards[] = {
/* Igor Kuznetsov <igk@igk.ru> */
/* Andrey Melnikoff <temnota@kmv.ru> */
/* Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com> */
/* Alexey Osipov <lion-simba@pridelands.ru> */
.name = "Beholder BeholdTV M6",
.audio_clock = 0x00187de7,
.tuner_type = TUNER_PHILIPS_FM1216ME_MK3,
@ -4532,6 +4533,7 @@ struct saa7134_board saa7134_boards[] = {
/* Igor Kuznetsov <igk@igk.ru> */
/* Andrey Melnikoff <temnota@kmv.ru> */
/* Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com> */
/* Alexey Osipov <lion-simba@pridelands.ru> */
.name = "Beholder BeholdTV M6 Extra",
.audio_clock = 0x00187de7,
.tuner_type = TUNER_PHILIPS_FM1216ME_MK3, /* FIXME to MK5 */

17
drivers/media/video/saa7134/saa7134-core.c
View File

@ -331,6 +331,10 @@ void saa7134_buffer_next(struct saa7134_dev *dev,
dprintk("buffer_next %p\n",NULL);
saa7134_set_dmabits(dev);
del_timer(&q->timeout);
if (card_has_mpeg(dev))
if (dev->ts_started)
saa7134_ts_stop(dev);
}
}
@ -416,6 +420,19 @@ int saa7134_set_dmabits(struct saa7134_dev *dev)
ctrl |= SAA7134_MAIN_CTRL_TE5;
irq |= SAA7134_IRQ1_INTE_RA2_1 |
SAA7134_IRQ1_INTE_RA2_0;
/* dma: setup channel 5 (= TS) */
saa_writeb(SAA7134_TS_DMA0, (dev->ts.nr_packets - 1) & 0xff);
saa_writeb(SAA7134_TS_DMA1,
((dev->ts.nr_packets - 1) >> 8) & 0xff);
/* TSNOPIT=0, TSCOLAP=0 */
saa_writeb(SAA7134_TS_DMA2,
(((dev->ts.nr_packets - 1) >> 16) & 0x3f) | 0x00);
saa_writel(SAA7134_RS_PITCH(5), TS_PACKET_SIZE);
saa_writel(SAA7134_RS_CONTROL(5), SAA7134_RS_CONTROL_BURST_16 |
SAA7134_RS_CONTROL_ME |
(dev->ts.pt_ts.dma >> 12));
}
/* set task conditions + field handling */

11
drivers/media/video/saa7134/saa7134-empress.c
View File

@ -255,6 +255,16 @@ static int empress_s_fmt_vid_cap(struct file *file, void *priv,
return 0;
}
static int empress_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct saa7134_dev *dev = file->private_data;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets;
return 0;
}
static int empress_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
@ -450,6 +460,7 @@ static const struct v4l2_file_operations ts_fops =
static const struct v4l2_ioctl_ops ts_ioctl_ops = {
.vidioc_querycap = empress_querycap,
.vidioc_enum_fmt_vid_cap = empress_enum_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = empress_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = empress_s_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = empress_g_fmt_vid_cap,
.vidioc_reqbufs = empress_reqbufs,

120
drivers/media/video/saa7134/saa7134-ts.c
View File

@ -67,33 +67,8 @@ static int buffer_activate(struct saa7134_dev *dev,
mod_timer(&dev->ts_q.timeout, jiffies+TS_BUFFER_TIMEOUT);
if (dev->ts_state == SAA7134_TS_BUFF_DONE) {
/* Clear TS cache */
dev->buff_cnt = 0;
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
saa_writeb(SAA7134_TS_SERIAL1, 0x03);
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
saa_writeb(SAA7134_TS_SERIAL1, 0x01);
/* TS clock non-inverted */
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
/* Start TS stream */
switch (saa7134_boards[dev->board].ts_type) {
case SAA7134_MPEG_TS_PARALLEL:
saa_writeb(SAA7134_TS_SERIAL0, 0x40);
saa_writeb(SAA7134_TS_PARALLEL, 0xec);
break;
case SAA7134_MPEG_TS_SERIAL:
saa_writeb(SAA7134_TS_SERIAL0, 0xd8);
saa_writeb(SAA7134_TS_PARALLEL, 0x6c);
saa_writeb(SAA7134_TS_PARALLEL_SERIAL, 0xbc);
saa_writeb(SAA7134_TS_SERIAL1, 0x02);
break;
}
dev->ts_state = SAA7134_TS_STARTED;
}
if (!dev->ts_started)
saa7134_ts_start(dev);
return 0;
}
@ -104,7 +79,6 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
struct saa7134_dev *dev = q->priv_data;
struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
unsigned int lines, llength, size;
u32 control;
int err;
dprintk("buffer_prepare [%p,%s]\n",buf,v4l2_field_names[field]);
@ -121,8 +95,11 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
}
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
dprintk("buffer_prepare: needs_init\n");
buf->vb.width = llength;
buf->vb.height = lines;
buf->vb.size = size;
@ -139,23 +116,6 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
goto oops;
}
dev->buff_cnt++;
if (dev->buff_cnt == dev->ts.nr_bufs) {
dev->ts_state = SAA7134_TS_BUFF_DONE;
/* dma: setup channel 5 (= TS) */
control = SAA7134_RS_CONTROL_BURST_16 |
SAA7134_RS_CONTROL_ME |
(buf->pt->dma >> 12);
saa_writeb(SAA7134_TS_DMA0, (lines - 1) & 0xff);
saa_writeb(SAA7134_TS_DMA1, ((lines - 1) >> 8) & 0xff);
/* TSNOPIT=0, TSCOLAP=0 */
saa_writeb(SAA7134_TS_DMA2, (((lines - 1) >> 16) & 0x3f) | 0x00);
saa_writel(SAA7134_RS_PITCH(5), TS_PACKET_SIZE);
saa_writel(SAA7134_RS_CONTROL(5), control);
}
buf->vb.state = VIDEOBUF_PREPARED;
buf->activate = buffer_activate;
buf->vb.field = field;
@ -175,8 +135,7 @@ buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
if (0 == *count)
*count = dev->ts.nr_bufs;
*count = saa7134_buffer_count(*size,*count);
dev->buff_cnt = 0;
dev->ts_state = SAA7134_TS_STOPPED;
return 0;
}
@ -193,11 +152,9 @@ static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
struct saa7134_dev *dev = q->priv_data;
if (dev->ts_state == SAA7134_TS_STARTED) {
/* Stop TS transport */
saa_writeb(SAA7134_TS_PARALLEL, 0x6c);
dev->ts_state = SAA7134_TS_STOPPED;
}
if (dev->ts_started)
saa7134_ts_stop(dev);
saa7134_dma_free(q,buf);
}
@ -214,7 +171,7 @@ EXPORT_SYMBOL_GPL(saa7134_ts_qops);
static unsigned int tsbufs = 8;
module_param(tsbufs, int, 0444);
MODULE_PARM_DESC(tsbufs,"number of ts buffers, range 2-32");
MODULE_PARM_DESC(tsbufs, "number of ts buffers for read/write IO, range 2-32");
static unsigned int ts_nr_packets = 64;
module_param(ts_nr_packets, int, 0444);
@ -256,6 +213,7 @@ int saa7134_ts_init1(struct saa7134_dev *dev)
dev->ts_q.timeout.data = (unsigned long)(&dev->ts_q);
dev->ts_q.dev = dev;
dev->ts_q.need_two = 1;
dev->ts_started = 0;
saa7134_pgtable_alloc(dev->pci,&dev->ts.pt_ts);
/* init TS hw */
@ -264,13 +222,67 @@ int saa7134_ts_init1(struct saa7134_dev *dev)
return 0;
}
/* Function for stop TS */
int saa7134_ts_stop(struct saa7134_dev *dev)
{
dprintk("TS stop\n");
BUG_ON(!dev->ts_started);
/* Stop TS stream */
switch (saa7134_boards[dev->board].ts_type) {
case SAA7134_MPEG_TS_PARALLEL:
saa_writeb(SAA7134_TS_PARALLEL, 0x6c);
dev->ts_started = 0;
break;
case SAA7134_MPEG_TS_SERIAL:
saa_writeb(SAA7134_TS_SERIAL0, 0x40);
dev->ts_started = 0;
break;
}
return 0;
}
/* Function for start TS */
int saa7134_ts_start(struct saa7134_dev *dev)
{
dprintk("TS start\n");
BUG_ON(dev->ts_started);
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
saa_writeb(SAA7134_TS_SERIAL1, 0x03);
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
saa_writeb(SAA7134_TS_SERIAL1, 0x01);
/* TS clock non-inverted */
saa_writeb(SAA7134_TS_SERIAL1, 0x00);
/* Start TS stream */
switch (saa7134_boards[dev->board].ts_type) {
case SAA7134_MPEG_TS_PARALLEL:
saa_writeb(SAA7134_TS_SERIAL0, 0x40);
saa_writeb(SAA7134_TS_PARALLEL, 0xec);
break;
case SAA7134_MPEG_TS_SERIAL:
saa_writeb(SAA7134_TS_SERIAL0, 0xd8);
saa_writeb(SAA7134_TS_PARALLEL, 0x6c);
saa_writeb(SAA7134_TS_PARALLEL_SERIAL, 0xbc);
saa_writeb(SAA7134_TS_SERIAL1, 0x02);
break;
}
dev->ts_started = 1;
return 0;
}
int saa7134_ts_fini(struct saa7134_dev *dev)
{
saa7134_pgtable_free(dev->pci,&dev->ts.pt_ts);
return 0;
}
void saa7134_irq_ts_done(struct saa7134_dev *dev, unsigned long status)
{
enum v4l2_field field;

12
drivers/media/video/saa7134/saa7134.h
View File

@ -493,12 +493,6 @@ struct saa7134_mpeg_ops {
void (*signal_change)(struct saa7134_dev *dev);
};
enum saa7134_ts_status {
SAA7134_TS_STOPPED,
SAA7134_TS_BUFF_DONE,
SAA7134_TS_STARTED,
};
/* global device status */
struct saa7134_dev {
struct list_head devlist;
@ -593,8 +587,7 @@ struct saa7134_dev {
/* SAA7134_MPEG_* */
struct saa7134_ts ts;
struct saa7134_dmaqueue ts_q;
enum saa7134_ts_status ts_state;
unsigned int buff_cnt;
int ts_started;
struct saa7134_mpeg_ops *mops;
/* SAA7134_MPEG_EMPRESS only */
@ -752,6 +745,9 @@ void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops);
int saa7134_ts_init_hw(struct saa7134_dev *dev);
int saa7134_ts_start(struct saa7134_dev *dev);
int saa7134_ts_stop(struct saa7134_dev *dev);
/* ----------------------------------------------------------- */
/* saa7134-vbi.c */