^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __USBAUDIO_CARD_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __USBAUDIO_CARD_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/android_kabi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define MAX_NR_RATES 1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define MAX_PACKS 6 /* per URB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define MAX_URBS 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define SYNC_URBS 4 /* always four urbs for sync */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define MAX_QUEUE 18 /* try not to exceed this queue length, in ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct audioformat {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) u64 formats; /* ALSA format bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) unsigned int channels; /* # channels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) unsigned int fmt_type; /* USB audio format type (1-3) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) unsigned int fmt_bits; /* number of significant bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) unsigned int frame_size; /* samples per frame for non-audio */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) int iface; /* interface number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) unsigned char altsetting; /* corresponding alternate setting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) unsigned char altset_idx; /* array index of altenate setting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) unsigned char attributes; /* corresponding attributes of cs endpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) unsigned char endpoint; /* endpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) unsigned char ep_attr; /* endpoint attributes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) unsigned char datainterval; /* log_2 of data packet interval */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) unsigned char protocol; /* UAC_VERSION_1/2/3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) unsigned int maxpacksize; /* max. packet size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) unsigned int rates; /* rate bitmasks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) unsigned int rate_min, rate_max; /* min/max rates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) unsigned int nr_rates; /* number of rate table entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) unsigned int *rate_table; /* rate table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) unsigned char clock; /* associated clock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct snd_pcm_chmap_elem *chmap; /* (optional) channel map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) bool dsd_dop; /* add DOP headers in case of DSD samples */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) bool dsd_bitrev; /* reverse the bits of each DSD sample */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) bool dsd_raw; /* altsetting is raw DSD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct snd_usb_substream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct snd_usb_endpoint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct snd_usb_power_domain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct snd_urb_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct urb *urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) unsigned int buffer_size; /* size of data buffer, if data URB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct snd_usb_substream *subs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct snd_usb_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int index; /* index for urb array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) int packets; /* number of packets per urb */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int packet_size[MAX_PACKS_HS]; /* size of packets for next submission */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct list_head ready_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct snd_usb_endpoint {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct snd_usb_audio *chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int use_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) int ep_num; /* the referenced endpoint number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) int type; /* SND_USB_ENDPOINT_TYPE_* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) void (*prepare_data_urb) (struct snd_usb_substream *subs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct urb *urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) void (*retire_data_urb) (struct snd_usb_substream *subs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct urb *urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct snd_usb_substream *data_subs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct snd_usb_endpoint *sync_master;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct snd_usb_endpoint *sync_slave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct snd_urb_ctx urb[MAX_URBS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct snd_usb_packet_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) uint32_t packet_size[MAX_PACKS_HS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) int packets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) } next_packet[MAX_URBS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int next_packet_read_pos, next_packet_write_pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct list_head ready_playback_urbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) unsigned int nurbs; /* # urbs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) unsigned long active_mask; /* bitmask of active urbs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) unsigned long unlink_mask; /* bitmask of unlinked urbs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) char *syncbuf; /* sync buffer for all sync URBs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) dma_addr_t sync_dma; /* DMA address of syncbuf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) unsigned int pipe; /* the data i/o pipe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) unsigned int packsize[2]; /* small/large packet sizes in samples */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) unsigned int sample_rem; /* remainder from division fs/pps */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) unsigned int sample_accum; /* sample accumulator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) unsigned int pps; /* packets per second */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) int freqshift; /* how much to shift the feedback value to get Q16.16 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) unsigned int freqmax; /* maximum sampling rate, used for buffer management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) unsigned int phase; /* phase accumulator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) unsigned int maxpacksize; /* max packet size in bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) unsigned int maxframesize; /* max packet size in frames */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) unsigned int max_urb_frames; /* max URB size in frames */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) unsigned int curpacksize; /* current packet size in bytes (for capture) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) unsigned int curframesize; /* current packet size in frames (for capture) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) unsigned int syncmaxsize; /* sync endpoint packet size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) unsigned int fill_max:1; /* fill max packet size always */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) unsigned int tenor_fb_quirk:1; /* corrupted feedback data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) unsigned int datainterval; /* log_2 of data packet interval */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) unsigned int syncinterval; /* P for adaptive mode, 0 otherwise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) unsigned char silence_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) unsigned int stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) int iface, altsetting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) int skip_packets; /* quirks for devices to ignore the first n packets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) in a stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) bool is_implicit_feedback; /* This endpoint is used as implicit feedback */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) spinlock_t lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) ANDROID_KABI_RESERVE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) ANDROID_KABI_RESERVE(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) ANDROID_KABI_RESERVE(3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) ANDROID_KABI_RESERVE(4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct media_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct snd_usb_substream {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct snd_usb_stream *stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) struct usb_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct snd_pcm_substream *pcm_substream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) int direction; /* playback or capture */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) int interface; /* current interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) int endpoint; /* assigned endpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct audioformat *cur_audiofmt; /* current audioformat pointer (for hw_params callback) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct snd_usb_power_domain *str_pd; /* UAC3 Power Domain for streaming path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) snd_pcm_format_t pcm_format; /* current audio format (for hw_params callback) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) unsigned int channels; /* current number of channels (for hw_params callback) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) unsigned int channels_max; /* max channels in the all audiofmts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) unsigned int cur_rate; /* current rate (for hw_params callback) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) unsigned int period_bytes; /* current period bytes (for hw_params callback) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) unsigned int period_frames; /* current frames per period */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) unsigned int buffer_periods; /* current periods per buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) unsigned int altset_idx; /* USB data format: index of alternate setting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) unsigned int txfr_quirk:1; /* allow sub-frame alignment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) unsigned int tx_length_quirk:1; /* add length specifier to transfers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) unsigned int fmt_type; /* USB audio format type (1-3) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) unsigned int pkt_offset_adj; /* Bytes to drop from beginning of packets (for non-compliant devices) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) unsigned int stream_offset_adj; /* Bytes to drop from beginning of stream (for non-compliant devices) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) unsigned int running: 1; /* running status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) unsigned int hwptr_done; /* processed byte position in the buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) unsigned int transfer_done; /* processed frames since last period update */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) unsigned int frame_limit; /* limits number of packets in URB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) /* data and sync endpoints for this stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) unsigned int ep_num; /* the endpoint number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) struct snd_usb_endpoint *data_endpoint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct snd_usb_endpoint *sync_endpoint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) bool need_setup_ep; /* (re)configure EP at prepare? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) bool need_setup_fmt; /* (re)configure fmt after resume? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) unsigned int speed; /* USB_SPEED_XXX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) u64 formats; /* format bitmasks (all or'ed) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) unsigned int num_formats; /* number of supported audio formats (list) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct list_head fmt_list; /* format list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct snd_pcm_hw_constraint_list rate_list; /* limited rates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) spinlock_t lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) int last_frame_number; /* stored frame number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int last_delay; /* stored delay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) int marker;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) int channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) int byte_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) } dsd_dop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) bool trigger_tstamp_pending_update; /* trigger timestamp being updated from initial estimate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct media_ctl *media_ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) ANDROID_KABI_RESERVE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) struct snd_usb_stream {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct snd_usb_audio *chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) struct snd_pcm *pcm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) int pcm_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) unsigned int fmt_type; /* USB audio format type (1-3) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct snd_usb_substream substream[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) struct snd_usb_substream *find_snd_usb_substream(unsigned int card_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) unsigned int pcm_idx, unsigned int direction, struct snd_usb_audio
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) **uchip, void (*disconnect_cb)(struct snd_usb_audio *chip));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) int snd_vendor_set_ops(struct snd_usb_audio_vendor_ops *vendor_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct snd_usb_audio_vendor_ops *snd_vendor_get_ops(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) int snd_vendor_set_interface(struct usb_device *udev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) struct usb_host_interface *alts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) int iface, int alt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) int snd_vendor_set_rate(struct usb_interface *intf, int iface, int rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) int alt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) int snd_vendor_set_pcm_buf(struct usb_device *udev, int iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) int snd_vendor_set_pcm_intf(struct usb_interface *intf, int iface, int alt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int direction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) int snd_vendor_set_pcm_connection(struct usb_device *udev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) enum snd_vendor_pcm_open_close onoff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) int direction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) int snd_vendor_set_pcm_binterval(struct audioformat *fp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) struct audioformat *found,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) int *cur_attr, int *attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) #endif /* __USBAUDIO_CARD_H */