diff options
| author | Federico Simoncelli <fsimonce@redhat.com> | 2014-08-11 18:42:22 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-08-21 15:25:34 -0500 |
| commit | 63ddf68de52efaac40a9287e44266ac30e71dd36 (patch) | |
| tree | 660f726bacc3e850925a1c25c5c84103b3a12e16 /drivers/media/usb/usbtv/usbtv.h | |
| parent | c8fa50549dc6e717e0941ee7092a973388253c7a (diff) | |
| download | blackbird-op-linux-63ddf68de52efaac40a9287e44266ac30e71dd36.tar.gz blackbird-op-linux-63ddf68de52efaac40a9287e44266ac30e71dd36.zip | |
[media] usbtv: add audio support
Add an ALSA handler inside usbtv module, in order to make
audio to work with those devices.
Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>
Tested-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/usb/usbtv/usbtv.h')
| -rw-r--r-- | drivers/media/usb/usbtv/usbtv.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/media/usb/usbtv/usbtv.h b/drivers/media/usb/usbtv/usbtv.h index cb1d388cc647..968119581fab 100644 --- a/drivers/media/usb/usbtv/usbtv.h +++ b/drivers/media/usb/usbtv/usbtv.h @@ -1,5 +1,5 @@ /* - * Fushicai USBTV007 Video Grabber Driver + * Fushicai USBTV007 Audio-Video Grabber Driver * * Copyright (c) 2013 Lubomir Rintel * All rights reserved. @@ -28,6 +28,7 @@ /* Hardware. */ #define USBTV_VIDEO_ENDP 0x81 +#define USBTV_AUDIO_ENDP 0x83 #define USBTV_BASE 0xc000 #define USBTV_REQUEST_REG 12 @@ -39,6 +40,10 @@ #define USBTV_CHUNK_SIZE 256 #define USBTV_CHUNK 240 +#define USBTV_AUDIO_URBSIZE 20480 +#define USBTV_AUDIO_HDRSIZE 4 +#define USBTV_AUDIO_BUFFER 65536 + /* Chunk header. */ #define USBTV_MAGIC_OK(chunk) ((be32_to_cpu(chunk[0]) & 0xff000000) \ == 0x88000000) @@ -91,9 +96,23 @@ struct usbtv { int iso_size; unsigned int sequence; struct urb *isoc_urbs[USBTV_ISOC_TRANSFERS]; + + /* audio */ + struct snd_card *snd; + struct snd_pcm_substream *snd_substream; + atomic_t snd_stream; + struct work_struct snd_trigger; + struct urb *snd_bulk_urb; + size_t snd_buffer_pos; + size_t snd_period_pos; }; int usbtv_set_regs(struct usbtv *usbtv, const u16 regs[][2], int size); int usbtv_video_init(struct usbtv *usbtv); void usbtv_video_free(struct usbtv *usbtv); + +int usbtv_audio_init(struct usbtv *usbtv); +void usbtv_audio_free(struct usbtv *usbtv); +void usbtv_audio_suspend(struct usbtv *usbtv); +void usbtv_audio_resume(struct usbtv *usbtv); |
