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authorMauro Carvalho Chehab <mchehab@brturbo.com.br>2005-06-24 01:05:09 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-24 03:06:39 -0400
commitac19ecc6fa57b0ea320f01831175ff163f47d6a2 (patch)
treee57248fd223eddb98a43eed6abbac704863a0abd /drivers/media/video/saa7134/saa7134-oss.c
parent56fc08ca375491b965cb76fad65bfb98973e80d8 (diff)
[PATCH] v4l: update for SAA7134 cards
This patch adds support for various SAA7134 cards and brings some fixes. Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br> Signed-off-by: Fabrice Aeschbacher <fabrice.aeschbacher@laposte.net> Signed-off-by: Hermann Pitton <hermann.pitton@onlinehome.de>. Signed-off-by: Nickolay V Shmyrev <nshmyrev@yandex.ru> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-oss.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-oss.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c
index 6b6a643bf1cd..81732904623f 100644
--- a/drivers/media/video/saa7134/saa7134-oss.c
+++ b/drivers/media/video/saa7134/saa7134-oss.c
@@ -1,5 +1,5 @@
1/* 1/*
2 * $Id: saa7134-oss.c,v 1.13 2004/12/10 12:33:39 kraxel Exp $ 2 * $Id: saa7134-oss.c,v 1.14 2005/05/18 22:45:16 hhackmann Exp $
3 * 3 *
4 * device driver for philips saa7134 based TV cards 4 * device driver for philips saa7134 based TV cards
5 * oss dsp interface 5 * oss dsp interface
@@ -49,7 +49,6 @@ MODULE_PARM_DESC(oss_rate,"sample rate (valid are: 32000,48000)");
49 49
50static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks) 50static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks)
51{ 51{
52 blksize &= ~0xff;
53 if (blksize < 0x100) 52 if (blksize < 0x100)
54 blksize = 0x100; 53 blksize = 0x100;
55 if (blksize > 0x10000) 54 if (blksize > 0x10000)
@@ -57,8 +56,6 @@ static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks)
57 56
58 if (blocks < 2) 57 if (blocks < 2)
59 blocks = 2; 58 blocks = 2;
60 while ((blksize * blocks) & ~PAGE_MASK)
61 blocks++;
62 if ((blksize * blocks) > 1024*1024) 59 if ((blksize * blocks) > 1024*1024)
63 blocks = 1024*1024 / blksize; 60 blocks = 1024*1024 / blksize;
64 61
@@ -79,7 +76,7 @@ static int dsp_buffer_init(struct saa7134_dev *dev)
79 BUG(); 76 BUG();
80 videobuf_dma_init(&dev->oss.dma); 77 videobuf_dma_init(&dev->oss.dma);
81 err = videobuf_dma_init_kernel(&dev->oss.dma, PCI_DMA_FROMDEVICE, 78 err = videobuf_dma_init_kernel(&dev->oss.dma, PCI_DMA_FROMDEVICE,
82 dev->oss.bufsize >> PAGE_SHIFT); 79 (dev->oss.bufsize + PAGE_SIZE) >> PAGE_SHIFT);
83 if (0 != err) 80 if (0 != err)
84 return err; 81 return err;
85 return 0; 82 return 0;
@@ -163,10 +160,11 @@ static int dsp_rec_start(struct saa7134_dev *dev)
163 fmt |= 0x04; 160 fmt |= 0x04;
164 fmt |= (TV == dev->oss.input) ? 0xc0 : 0x80; 161 fmt |= (TV == dev->oss.input) ? 0xc0 : 0x80;
165 162
166 saa_writeb(SAA7134_NUM_SAMPLES0, (dev->oss.blksize & 0x0000ff)); 163 saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->oss.blksize - 1) & 0x0000ff));
167 saa_writeb(SAA7134_NUM_SAMPLES1, (dev->oss.blksize & 0x00ff00) >> 8); 164 saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->oss.blksize - 1) & 0x00ff00) >> 8);
168 saa_writeb(SAA7134_NUM_SAMPLES2, (dev->oss.blksize & 0xff0000) >> 16); 165 saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->oss.blksize - 1) & 0xff0000) >> 16);
169 saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt); 166 saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt);
167
170 break; 168 break;
171 case PCI_DEVICE_ID_PHILIPS_SAA7133: 169 case PCI_DEVICE_ID_PHILIPS_SAA7133:
172 case PCI_DEVICE_ID_PHILIPS_SAA7135: 170 case PCI_DEVICE_ID_PHILIPS_SAA7135:
@@ -817,7 +815,7 @@ void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status)
817 reg = SAA7134_RS_BA1(6); 815 reg = SAA7134_RS_BA1(6);
818 } else { 816 } else {
819 /* even */ 817 /* even */
820 if (0 == (dev->oss.dma_blk & 0x00)) 818 if (1 == (dev->oss.dma_blk & 0x01))
821 reg = SAA7134_RS_BA2(6); 819 reg = SAA7134_RS_BA2(6);
822 } 820 }
823 if (0 == reg) { 821 if (0 == reg) {