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authorMauro Carvalho Chehab <mchehab@infradead.org>2007-08-23 21:37:49 +0200
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-10-10 03:14:55 +0200
commitc1accaa21bdef38ec0f36eaaf7ce3384fff9d0c5 (patch)
tree3a2c8206555af6c9e2eecdb20b052be70e6b93dd /drivers/media/video/cx88/cx88-alsa.c
parentV4L/DVB (6251): Replace video-buf to a more generic approach (diff)
downloadlinux-c1accaa21bdef38ec0f36eaaf7ce3384fff9d0c5.tar.xz
linux-c1accaa21bdef38ec0f36eaaf7ce3384fff9d0c5.zip
V4L/DVB (6252): Adapt drivers to use the newer videobuf modules
PCI-dependent videobuf_foo methods were renamed as videobuf_pci_foo. Also, videobuf_dmabuf is now part of videobuf-dma-sg private struct. So, to access it, a subroutine call is needed. This patch renames all occurences of those function calls to be consistent with the video-buf split. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org> http://thread.gmane.org/gmane.comp.video.video4linux/34978/focus=34981 Reviewed-by: Ricardo Cerqueira <v4l@cerqueira.org>
Diffstat (limited to 'drivers/media/video/cx88/cx88-alsa.c')
-rw-r--r--drivers/media/video/cx88/cx88-alsa.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
index f4abed454fd4..90c36c5705c3 100644
--- a/drivers/media/video/cx88/cx88-alsa.c
+++ b/drivers/media/video/cx88/cx88-alsa.c
@@ -72,7 +72,7 @@ struct cx88_audio_dev {
unsigned int period_size;
unsigned int num_periods;
- struct videobuf_dmabuf dma_risc;
+ struct videobuf_dmabuf *dma_risc;
struct cx88_buffer *buf;
@@ -282,11 +282,12 @@ static int dsp_buffer_free(snd_cx88_card_t *chip)
BUG_ON(!chip->dma_size);
dprintk(2,"Freeing buffer\n");
- videobuf_pci_dma_unmap(chip->pci, &chip->dma_risc);
- videobuf_dma_free(&chip->dma_risc);
+ videobuf_pci_dma_unmap(chip->pci, chip->dma_risc);
+ videobuf_dma_free(chip->dma_risc);
btcx_riscmem_free(chip->pci,&chip->buf->risc);
kfree(chip->buf);
+ chip->dma_risc = NULL;
chip->dma_size = 0;
return 0;
@@ -366,6 +367,8 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
struct snd_pcm_hw_params * hw_params)
{
snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+ struct videobuf_dmabuf *dma;
+
struct cx88_buffer *buf;
int ret;
@@ -381,7 +384,7 @@ 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 = kzalloc(sizeof(*buf), GFP_KERNEL);
+ buf = videobuf_pci_alloc(sizeof(*buf));
if (NULL == buf)
return -ENOMEM;
@@ -392,17 +395,18 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
buf->vb.height = chip->num_periods;
buf->vb.size = chip->dma_size;
- videobuf_dma_init(&buf->vb.dma);
- ret = videobuf_dma_init_kernel(&buf->vb.dma, PCI_DMA_FROMDEVICE,
+ dma=videobuf_to_dma(&buf->vb);
+ videobuf_dma_init(dma);
+ ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE,
(PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT));
if (ret < 0)
goto error;
- ret = videobuf_pci_dma_map(chip->pci,&buf->vb.dma);
+ ret = videobuf_pci_dma_map(chip->pci,dma);
if (ret < 0)
goto error;
- ret = cx88_risc_databuffer(chip->pci, &buf->risc, buf->vb.dma.sglist,
+ ret = cx88_risc_databuffer(chip->pci, &buf->risc, dma->sglist,
buf->vb.width, buf->vb.height, 1);
if (ret < 0)
goto error;
@@ -414,9 +418,9 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
buf->vb.state = STATE_PREPARED;
chip->buf = buf;
- chip->dma_risc = buf->vb.dma;
+ chip->dma_risc = dma;
- substream->runtime->dma_area = chip->dma_risc.vmalloc;
+ substream->runtime->dma_area = chip->dma_risc->vmalloc;
substream->runtime->dma_bytes = chip->dma_size;
substream->runtime->dma_addr = 0;
return 0;