diff options
| author | Mijhail Moreyra | 2011-10-10 16:09:52 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2011-10-14 21:44:54 +0200 |
| commit | 9e44d63246a9c884900e56e2aa16fba94dee5f0c (patch) | |
| tree | ec804ca3a11d9eba24972aa646945685cb52b62d /drivers/media/video/cx23885/cx23885.h | |
| parent | [media] update az6027 firmware URL (diff) | |
| download | kernel-qcow2-linux-9e44d63246a9c884900e56e2aa16fba94dee5f0c.tar.gz kernel-qcow2-linux-9e44d63246a9c884900e56e2aa16fba94dee5f0c.tar.xz kernel-qcow2-linux-9e44d63246a9c884900e56e2aa16fba94dee5f0c.zip | |
[media] cx23885: Add ALSA support
[stoth@kernellabs.com: add it to the makefile and fix snd_card binding]
[liplianin@netup.ru: videobuf: Remove the videobuf_sg_dma_map/unmap functions]
Signed-off-by: Mijhail Moreyra <mijhail.moreyra@gmail.com>
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Igor M. Liplianin <liplianin@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx23885/cx23885.h')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index d86bc0b1317b..abeba7a35cea 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -318,6 +318,34 @@ struct cx23885_kernel_ir { struct rc_dev *rc; }; +struct cx23885_audio_buffer { + unsigned int bpl; + struct btcx_riscmem risc; + struct videobuf_dmabuf dma; +}; + +struct cx23885_audio_dev { + struct cx23885_dev *dev; + + struct pci_dev *pci; + + struct snd_card *card; + + spinlock_t lock; + + atomic_t count; + + unsigned int dma_size; + unsigned int period_size; + unsigned int num_periods; + + struct videobuf_dmabuf *dma_risc; + + struct cx23885_audio_buffer *buf; + + struct snd_pcm_substream *substream; +}; + struct cx23885_dev { atomic_t refcount; struct v4l2_device v4l2_dev; @@ -400,6 +428,9 @@ struct cx23885_dev { atomic_t v4l_reader_count; struct cx23885_tvnorm encodernorm; + /* Analog raw audio */ + struct cx23885_audio_dev *audio_dev; + }; static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev) @@ -563,6 +594,17 @@ extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask); extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask); extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); +/* ----------------------------------------------------------- */ +/* cx23885-alsa.c */ +extern struct cx23885_audio_dev *cx23885_audio_initdev(struct cx23885_dev *dev); +extern void cx23885_audio_finidev(struct cx23885_dev *dev); +extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask); +extern int cx23885_risc_databuffer(struct pci_dev *pci, + struct btcx_riscmem *risc, + struct scatterlist *sglist, + unsigned int bpl, + unsigned int lines, + unsigned int lpi); /* ----------------------------------------------------------- */ /* tv norms */ |