Lines Matching defs:snd_usb_endpoint

62 struct snd_usb_endpoint {  struct
83 	struct snd_usb_endpoint *sync_source;  argument
84 	struct snd_usb_endpoint *sync_sink;  argument
86 	struct snd_urb_ctx urb[MAX_URBS];
88 	struct snd_usb_packet_info {
91 	} next_packet[MAX_URBS];
92 	unsigned int next_packet_head;	/* ring buffer offset to read */
93 	unsigned int next_packet_queued; /* queued items in the ring buffer */
94 	struct list_head ready_playback_urbs; /* playback URB FIFO for implicit fb */
96 	unsigned int nurbs;		/* # urbs */
97 	unsigned int nominal_queue_size; /* total buffer sizes in URBs */
98 	unsigned long active_mask;	/* bitmask of active urbs */
99 	unsigned long unlink_mask;	/* bitmask of unlinked urbs */
100 	char *syncbuf;			/* sync buffer for all sync URBs */
101 	dma_addr_t sync_dma;		/* DMA address of syncbuf */
103 	unsigned int pipe;		/* the data i/o pipe */
104 	unsigned int packsize[2];	/* small/large packet sizes in samples */
105 	unsigned int sample_rem;	/* remainder from division fs/pps */
106 	unsigned int sample_accum;	/* sample accumulator */
107 	unsigned int pps;		/* packets per second */
108 	unsigned int freqn;		/* nominal sampling rate in fs/fps in Q16.16 format */
109 	unsigned int freqm;		/* momentary sampling rate in fs/fps in Q16.16 format */
110 	int	   freqshift;		/* how much to shift the feedback value to get Q16.16 */
111 	unsigned int freqmax;		/* maximum sampling rate, used for buffer management */
112 	unsigned int phase;		/* phase accumulator */
113 	unsigned int maxpacksize;	/* max packet size in bytes */
114 	unsigned int maxframesize;      /* max packet size in frames */
115 	unsigned int max_urb_frames;	/* max URB size in frames */
116 	unsigned int curpacksize;	/* current packet size in bytes (for capture) */
117 	unsigned int curframesize;      /* current packet size in frames (for capture) */
118 	unsigned int syncmaxsize;	/* sync endpoint packet size */
119 	unsigned int fill_max:1;	/* fill max packet size always */
120 	unsigned int tenor_fb_quirk:1;	/* corrupted feedback data */
121 	unsigned int datainterval;      /* log_2 of data packet interval */
122 	unsigned int syncinterval;	/* P for adaptive mode, 0 otherwise */
123 	unsigned char silence_value;
124 	unsigned int stride;
125 	int skip_packets;		/* quirks for devices to ignore the first n packets
127 	bool implicit_fb_sync;		/* syncs with implicit feedback */
128 	bool need_setup;		/* (re-)need for configure? */
131 	const struct audioformat *cur_audiofmt;
132 	unsigned int cur_rate;
133 	snd_pcm_format_t cur_format;
134 	unsigned int cur_channels;
135 	unsigned int cur_frame_bytes;
136 	unsigned int cur_period_frames;
137 	unsigned int cur_period_bytes;
138 	unsigned int cur_buffer_periods;
140 	spinlock_t lock;
141 	struct list_head list;