diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-oss.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-oss.c | 16 |
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 @@ /* - * $Id: saa7134-oss.c,v 1.13 2004/12/10 12:33:39 kraxel Exp $ + * $Id: saa7134-oss.c,v 1.14 2005/05/18 22:45:16 hhackmann Exp $ * * device driver for philips saa7134 based TV cards * oss dsp interface @@ -49,7 +49,6 @@ MODULE_PARM_DESC(oss_rate,"sample rate (valid are: 32000,48000)"); static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks) { - blksize &= ~0xff; if (blksize < 0x100) blksize = 0x100; if (blksize > 0x10000) @@ -57,8 +56,6 @@ static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks) if (blocks < 2) blocks = 2; - while ((blksize * blocks) & ~PAGE_MASK) - blocks++; if ((blksize * blocks) > 1024*1024) blocks = 1024*1024 / blksize; @@ -79,7 +76,7 @@ static int dsp_buffer_init(struct saa7134_dev *dev) BUG(); videobuf_dma_init(&dev->oss.dma); err = videobuf_dma_init_kernel(&dev->oss.dma, PCI_DMA_FROMDEVICE, - dev->oss.bufsize >> PAGE_SHIFT); + (dev->oss.bufsize + PAGE_SIZE) >> PAGE_SHIFT); if (0 != err) return err; return 0; @@ -163,10 +160,11 @@ static int dsp_rec_start(struct saa7134_dev *dev) fmt |= 0x04; fmt |= (TV == dev->oss.input) ? 0xc0 : 0x80; - saa_writeb(SAA7134_NUM_SAMPLES0, (dev->oss.blksize & 0x0000ff)); - saa_writeb(SAA7134_NUM_SAMPLES1, (dev->oss.blksize & 0x00ff00) >> 8); - saa_writeb(SAA7134_NUM_SAMPLES2, (dev->oss.blksize & 0xff0000) >> 16); + saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->oss.blksize - 1) & 0x0000ff)); + saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->oss.blksize - 1) & 0x00ff00) >> 8); + saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->oss.blksize - 1) & 0xff0000) >> 16); saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt); + break; case PCI_DEVICE_ID_PHILIPS_SAA7133: case PCI_DEVICE_ID_PHILIPS_SAA7135: @@ -817,7 +815,7 @@ void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status) reg = SAA7134_RS_BA1(6); } else { /* even */ - if (0 == (dev->oss.dma_blk & 0x00)) + if (1 == (dev->oss.dma_blk & 0x01)) reg = SAA7134_RS_BA2(6); } if (0 == reg) { |