diff options
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 cb1d388..9681195 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); |
