X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fsaa7134%2Fsaa7134-ts.c;h=60a90a2617aea615849e0550efa7757e5296f0c5;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=345eb2a8c28de9c4ffe5c5af27f0164d85ebb838;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/media/video/saa7134/saa7134-ts.c b/drivers/media/video/saa7134/saa7134-ts.c
index 345eb2a8c..60a90a261 100644
--- a/drivers/media/video/saa7134/saa7134-ts.c
+++ b/drivers/media/video/saa7134/saa7134-ts.c
@@ -1,5 +1,4 @@
 /*
- * $Id: saa7134-ts.c,v 1.14 2005/02/03 10:24:33 kraxel Exp $
  *
  * device driver for philips saa7134 based TV cards
  * video4linux video interface
@@ -47,17 +46,11 @@ static int buffer_activate(struct saa7134_dev *dev,
 			   struct saa7134_buf *buf,
 			   struct saa7134_buf *next)
 {
-	u32 control;
 
 	dprintk("buffer_activate [%p]",buf);
 	buf->vb.state = STATE_ACTIVE;
 	buf->top_seen = 0;
 
-        /* dma: setup channel 5 (= TS) */
-        control = SAA7134_RS_CONTROL_BURST_16 |
-                SAA7134_RS_CONTROL_ME |
-                (buf->pt->dma >> 12);
-
 	if (NULL == next)
 		next = buf;
 	if (V4L2_FIELD_TOP == buf->vb.field) {
@@ -69,8 +62,6 @@ static int buffer_activate(struct saa7134_dev *dev,
 		saa_writel(SAA7134_RS_BA1(5),saa7134_buffer_base(next));
 		saa_writel(SAA7134_RS_BA2(5),saa7134_buffer_base(buf));
 	}
-	saa_writel(SAA7134_RS_PITCH(5),TS_PACKET_SIZE);
-	saa_writel(SAA7134_RS_CONTROL(5),control);
 
 	/* start DMA */
 	saa7134_set_dmabits(dev);
@@ -85,6 +76,7 @@ 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]);
@@ -97,7 +89,7 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 		return -EINVAL;
 
 	if (buf->vb.size != size) {
-		saa7134_dma_free(dev,buf);
+		saa7134_dma_free(q,buf);
 	}
 
 	if (STATE_NEEDS_INIT == buf->vb.state) {
@@ -106,7 +98,7 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 		buf->vb.size   = size;
 		buf->pt        = &dev->ts.pt_ts;
 
-		err = videobuf_iolock(dev->pci,&buf->vb,NULL);
+		err = videobuf_iolock(q,&buf->vb,NULL);
 		if (err)
 			goto oops;
 		err = saa7134_pgtable_build(dev->pci,buf->pt,
@@ -116,13 +108,25 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 		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->activate = buffer_activate;
 	buf->vb.field = field;
 	return 0;
 
  oops:
-	saa7134_dma_free(dev,buf);
+	saa7134_dma_free(q,buf);
 	return err;
 }
 
@@ -148,10 +152,9 @@ static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 
 static void buffer_release(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);
 
-	saa7134_dma_free(dev,buf);
+	saa7134_dma_free(q,buf);
 }
 
 struct videobuf_queue_ops saa7134_ts_qops = {
@@ -165,11 +168,11 @@ EXPORT_SYMBOL_GPL(saa7134_ts_qops);
 /* ----------------------------------------------------------- */
 /* exported stuff                                              */
 
-static unsigned int tsbufs = 4;
+static unsigned int tsbufs = 8;
 module_param(tsbufs, int, 0444);
 MODULE_PARM_DESC(tsbufs,"number of ts buffers, range 2-32");
 
-static unsigned int ts_nr_packets = 30;
+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)");