#include <linux/list.h>
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/slab.h>
#include <linux/delay.h>
#include "saa7134-reg.h"
/* ------------------------------------------------------------------ */
-static unsigned int ts_debug = 0;
+static unsigned int ts_debug;
module_param(ts_debug, int, 0644);
MODULE_PARM_DESC(ts_debug,"enable debug messages [ts]");
{
dprintk("buffer_activate [%p]",buf);
- buf->vb.state = STATE_ACTIVE;
+ buf->vb.state = VIDEOBUF_ACTIVE;
buf->top_seen = 0;
if (NULL == next)
/* start DMA */
saa7134_set_dmabits(dev);
- mod_timer(&dev->ts_q.timeout, jiffies+BUFFER_TIMEOUT);
+ mod_timer(&dev->ts_q.timeout, jiffies+TS_BUFFER_TIMEOUT);
+
+ if (!dev->ts_started)
+ saa7134_ts_start(dev);
+
return 0;
}
static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
- enum v4l2_field field)
+ enum v4l2_field field)
{
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]);
saa7134_dma_free(q,buf);
}
- if (STATE_NEEDS_INIT == buf->vb.state) {
+ 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;
if (err)
goto oops;
err = saa7134_pgtable_build(dev->pci,buf->pt,
- buf->vb.dma.sglist,
- buf->vb.dma.sglen,
+ dma->sglist,
+ dma->sglen,
saa7134_buffer_startpage(buf));
if (err)
goto oops;
}
- /* 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));
- saa_writeb(SAA7134_TS_DMA2, ((((lines-1)>>16)&0x3f) | 0x00)); /* TSNOPIT=0, TSCOLAP=0 */
- saa_writel(SAA7134_RS_PITCH(5),TS_PACKET_SIZE);
- saa_writel(SAA7134_RS_CONTROL(5),control);
-
- buf->vb.state = STATE_PREPARED;
+ buf->vb.state = VIDEOBUF_PREPARED;
buf->activate = buffer_activate;
buf->vb.field = field;
return 0;
if (0 == *count)
*count = dev->ts.nr_bufs;
*count = saa7134_buffer_count(*size,*count);
+
return 0;
}
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_started)
+ saa7134_ts_stop(dev);
saa7134_dma_free(q,buf);
}
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);
MODULE_PARM_DESC(ts_nr_packets,"size of a ts buffers (in ts packets)");
+int saa7134_ts_init_hw(struct saa7134_dev *dev)
+{
+ /* deactivate TS softreset */
+ saa_writeb(SAA7134_TS_SERIAL1, 0x00);
+ /* TSSOP high active, TSVAL high active, TSLOCK ignored */
+ saa_writeb(SAA7134_TS_PARALLEL, 0x6c);
+ saa_writeb(SAA7134_TS_PARALLEL_SERIAL, (TS_PACKET_SIZE-1));
+ 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));
+
+ return 0;
+}
+
int saa7134_ts_init1(struct saa7134_dev *dev)
{
/* sanitycheck insmod options */
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 */
- saa_writeb(SAA7134_TS_SERIAL1, 0x00); /* deactivate TS softreset */
- saa_writeb(SAA7134_TS_PARALLEL, 0xec); /* TSSOP high active, TSVAL high active, TSLOCK ignored */
- saa_writeb(SAA7134_TS_PARALLEL_SERIAL, (TS_PACKET_SIZE-1));
- saa_writeb(SAA7134_TS_DMA0, ((dev->ts.nr_packets-1)&0xff));
- saa_writeb(SAA7134_TS_DMA1, (((dev->ts.nr_packets-1)>>8)&0xff));
- saa_writeb(SAA7134_TS_DMA2, ((((dev->ts.nr_packets-1)>>16)&0x3f) | 0x00)); /* TSNOPIT=0, TSCOLAP=0 */
+ saa7134_ts_init_hw(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);
+
+ /* 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));
+
+ /* reset hardware TS buffers */
+ 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 |
+ (saa7134_boards[dev->board].ts_force_val << 4));
+ break;
+ case SAA7134_MPEG_TS_SERIAL:
+ saa_writeb(SAA7134_TS_SERIAL0, 0xd8);
+ saa_writeb(SAA7134_TS_PARALLEL, 0x6c |
+ (saa7134_boards[dev->board].ts_force_val << 4));
+ saa_writeb(SAA7134_TS_PARALLEL_SERIAL, 0xbc);
+ saa_writeb(SAA7134_TS_SERIAL1, 0x02);
+ break;
+ }
+
+ dev->ts_started = 1;
return 0;
}
return 0;
}
-
void saa7134_irq_ts_done(struct saa7134_dev *dev, unsigned long status)
{
enum v4l2_field field;
if ((status & 0x100000) != 0x100000)
goto done;
}
- saa7134_buffer_finish(dev,&dev->ts_q,STATE_DONE);
+ saa7134_buffer_finish(dev,&dev->ts_q,VIDEOBUF_DONE);
}
saa7134_buffer_next(dev,&dev->ts_q);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff