diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-alsa.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-alsa.c | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c index 33082c96745e..4f383cdf5296 100644 --- a/drivers/media/video/cx88/cx88-alsa.c +++ b/drivers/media/video/cx88/cx88-alsa.c @@ -54,6 +54,12 @@ Data type declarations - Can be moded to a header file later ****************************************************************************/ +struct cx88_audio_buffer { + unsigned int bpl; + struct btcx_riscmem risc; + struct videobuf_dmabuf dma; +}; + struct cx88_audio_dev { struct cx88_core *core; struct cx88_dmaqueue q; @@ -75,7 +81,7 @@ struct cx88_audio_dev { struct videobuf_dmabuf *dma_risc; - struct cx88_buffer *buf; + struct cx88_audio_buffer *buf; struct snd_pcm_substream *substream; }; @@ -123,7 +129,7 @@ MODULE_PARM_DESC(debug,"enable debug messages"); static int _cx88_start_audio_dma(snd_cx88_card_t *chip) { - struct cx88_buffer *buf = chip->buf; + struct cx88_audio_buffer *buf = chip->buf; struct cx88_core *core=chip->core; struct sram_channel *audio_ch = &cx88_sram_channels[SRAM_CH25]; @@ -283,7 +289,7 @@ static int dsp_buffer_free(snd_cx88_card_t *chip) BUG_ON(!chip->dma_size); dprintk(2,"Freeing buffer\n"); - videobuf_sg_dma_unmap(&chip->pci->dev, chip->dma_risc); + videobuf_dma_unmap(&chip->pci->dev, chip->dma_risc); videobuf_dma_free(chip->dma_risc); btcx_riscmem_free(chip->pci,&chip->buf->risc); kfree(chip->buf); @@ -376,7 +382,7 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream, snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); struct videobuf_dmabuf *dma; - struct cx88_buffer *buf; + struct cx88_audio_buffer *buf; int ret; if (substream->runtime->dma_area) { @@ -391,30 +397,25 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream, BUG_ON(!chip->dma_size); BUG_ON(chip->num_periods & (chip->num_periods-1)); - buf = videobuf_sg_alloc(sizeof(*buf)); + buf = kzalloc(sizeof(*buf), GFP_KERNEL); if (NULL == buf) return -ENOMEM; - buf->vb.memory = V4L2_MEMORY_MMAP; - buf->vb.field = V4L2_FIELD_NONE; - buf->vb.width = chip->period_size; - buf->bpl = chip->period_size; - buf->vb.height = chip->num_periods; - buf->vb.size = chip->dma_size; + buf->bpl = chip->period_size; - dma = videobuf_to_dma(&buf->vb); + dma = &buf->dma; videobuf_dma_init(dma); ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE, - (PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT)); + (PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT)); if (ret < 0) goto error; - ret = videobuf_sg_dma_map(&chip->pci->dev, dma); + ret = videobuf_dma_map(&chip->pci->dev, dma); if (ret < 0) goto error; ret = cx88_risc_databuffer(chip->pci, &buf->risc, dma->sglist, - buf->vb.width, buf->vb.height, 1); + chip->period_size, chip->num_periods, 1); if (ret < 0) goto error; @@ -422,12 +423,10 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream, buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP|RISC_IRQ1|RISC_CNT_INC); buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma); - buf->vb.state = VIDEOBUF_PREPARED; - chip->buf = buf; chip->dma_risc = dma; - substream->runtime->dma_area = chip->dma_risc->vmalloc; + substream->runtime->dma_area = chip->dma_risc->vaddr; substream->runtime->dma_bytes = chip->dma_size; substream->runtime->dma_addr = 0; return 0; @@ -740,7 +739,7 @@ static int __devinit snd_cx88_create(struct snd_card *card, pci_set_master(pci); - chip = (snd_cx88_card_t *) card->private_data; + chip = card->private_data; core = cx88_core_get(pci); if (NULL == core) { |