diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/usb/card.h')
| -rw-r--r-- | ANDROID_3.4.5/sound/usb/card.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/ANDROID_3.4.5/sound/usb/card.h b/ANDROID_3.4.5/sound/usb/card.h deleted file mode 100644 index da5fa1ac..00000000 --- a/ANDROID_3.4.5/sound/usb/card.h +++ /dev/null @@ -1,111 +0,0 @@ -#ifndef __USBAUDIO_CARD_H -#define __USBAUDIO_CARD_H - -#define MAX_NR_RATES 1024 -#define MAX_PACKS 20 -#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */ -#define MAX_URBS 8 -#define SYNC_URBS 4 /* always four urbs for sync */ -#define MAX_QUEUE 24 /* try not to exceed this queue length, in ms */ - -struct audioformat { - struct list_head list; - u64 formats; /* ALSA format bits */ - unsigned int channels; /* # channels */ - unsigned int fmt_type; /* USB audio format type (1-3) */ - unsigned int frame_size; /* samples per frame for non-audio */ - int iface; /* interface number */ - unsigned char altsetting; /* corresponding alternate setting */ - unsigned char altset_idx; /* array index of altenate setting */ - unsigned char attributes; /* corresponding attributes of cs endpoint */ - unsigned char endpoint; /* endpoint */ - unsigned char ep_attr; /* endpoint attributes */ - unsigned char datainterval; /* log_2 of data packet interval */ - unsigned int maxpacksize; /* max. packet size */ - unsigned int rates; /* rate bitmasks */ - unsigned int rate_min, rate_max; /* min/max rates */ - unsigned int nr_rates; /* number of rate table entries */ - unsigned int *rate_table; /* rate table */ - unsigned char clock; /* associated clock */ -}; - -struct snd_usb_substream; - -struct snd_urb_ctx { - struct urb *urb; - unsigned int buffer_size; /* size of data buffer, if data URB */ - struct snd_usb_substream *subs; - int index; /* index for urb array */ - int packets; /* number of packets per urb */ -}; - -struct snd_urb_ops { - int (*prepare)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u); - int (*retire)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u); - int (*prepare_sync)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u); - int (*retire_sync)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u); -}; - -struct snd_usb_substream { - struct snd_usb_stream *stream; - struct usb_device *dev; - struct snd_pcm_substream *pcm_substream; - int direction; /* playback or capture */ - int interface; /* current interface */ - int endpoint; /* assigned endpoint */ - struct audioformat *cur_audiofmt; /* current audioformat pointer (for hw_params callback) */ - unsigned int cur_rate; /* current rate (for hw_params callback) */ - unsigned int period_bytes; /* current period bytes (for hw_params callback) */ - unsigned int altset_idx; /* USB data format: index of alternate setting */ - unsigned int datapipe; /* the data i/o pipe */ - unsigned int syncpipe; /* 1 - async out or adaptive in */ - unsigned int datainterval; /* log_2 of data packet interval */ - unsigned int syncinterval; /* P for adaptive mode, 0 otherwise */ - unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */ - unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */ - int freqshift; /* how much to shift the feedback value to get Q16.16 */ - unsigned int freqmax; /* maximum sampling rate, used for buffer management */ - unsigned int phase; /* phase accumulator */ - unsigned int maxpacksize; /* max packet size in bytes */ - unsigned int maxframesize; /* max packet size in frames */ - unsigned int curpacksize; /* current packet size in bytes (for capture) */ - unsigned int curframesize; /* current packet size in frames (for capture) */ - unsigned int syncmaxsize; /* sync endpoint packet size */ - unsigned int fill_max: 1; /* fill max packet size always */ - unsigned int txfr_quirk:1; /* allow sub-frame alignment */ - unsigned int fmt_type; /* USB audio format type (1-3) */ - - unsigned int running: 1; /* running status */ - - unsigned int hwptr_done; /* processed byte position in the buffer */ - unsigned int transfer_done; /* processed frames since last period update */ - unsigned long active_mask; /* bitmask of active urbs */ - unsigned long unlink_mask; /* bitmask of unlinked urbs */ - - unsigned int nurbs; /* # urbs */ - struct snd_urb_ctx dataurb[MAX_URBS]; /* data urb table */ - struct snd_urb_ctx syncurb[SYNC_URBS]; /* sync urb table */ - char *syncbuf; /* sync buffer for all sync URBs */ - dma_addr_t sync_dma; /* DMA address of syncbuf */ - - u64 formats; /* format bitmasks (all or'ed) */ - unsigned int num_formats; /* number of supported audio formats (list) */ - struct list_head fmt_list; /* format list */ - struct snd_pcm_hw_constraint_list rate_list; /* limited rates */ - spinlock_t lock; - - struct snd_urb_ops ops; /* callbacks (must be filled at init) */ - int last_frame_number; /* stored frame number */ - int last_delay; /* stored delay */ -}; - -struct snd_usb_stream { - struct snd_usb_audio *chip; - struct snd_pcm *pcm; - int pcm_index; - unsigned int fmt_type; /* USB audio format type (1-3) */ - struct snd_usb_substream substream[2]; - struct list_head list; -}; - -#endif /* __USBAUDIO_CARD_H */ |