mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 16:01:14 +07:00
182 lines
5.1 KiB
C
182 lines
5.1 KiB
C
#ifndef __USBAUDIO_H
|
|
#define __USBAUDIO_H
|
|
/*
|
|
* (Tentative) USB Audio Driver for ALSA
|
|
*
|
|
* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
|
|
*
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
/* maximum number of endpoints per interface */
|
|
#define MIDI_MAX_ENDPOINTS 2
|
|
|
|
/* handling of USB vendor/product ID pairs as 32-bit numbers */
|
|
#define USB_ID(vendor, product) (((vendor) << 16) | (product))
|
|
#define USB_ID_VENDOR(id) ((id) >> 16)
|
|
#define USB_ID_PRODUCT(id) ((u16)(id))
|
|
|
|
/*
|
|
*/
|
|
|
|
struct snd_usb_audio {
|
|
int index;
|
|
struct usb_device *dev;
|
|
struct snd_card *card;
|
|
u32 usb_id;
|
|
int shutdown;
|
|
unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
|
|
int num_interfaces;
|
|
int num_suspended_intf;
|
|
|
|
/* for audio class v2 */
|
|
int clock_id;
|
|
|
|
struct list_head pcm_list; /* list of pcm streams */
|
|
int pcm_devs;
|
|
|
|
struct list_head midi_list; /* list of midi interfaces */
|
|
|
|
struct list_head mixer_list; /* list of mixer interfaces */
|
|
};
|
|
|
|
/*
|
|
* Information about devices with broken descriptors
|
|
*/
|
|
|
|
/* special values for .ifnum */
|
|
#define QUIRK_NO_INTERFACE -2
|
|
#define QUIRK_ANY_INTERFACE -1
|
|
|
|
enum quirk_type {
|
|
QUIRK_IGNORE_INTERFACE,
|
|
QUIRK_COMPOSITE,
|
|
QUIRK_MIDI_STANDARD_INTERFACE,
|
|
QUIRK_MIDI_FIXED_ENDPOINT,
|
|
QUIRK_MIDI_YAMAHA,
|
|
QUIRK_MIDI_MIDIMAN,
|
|
QUIRK_MIDI_NOVATION,
|
|
QUIRK_MIDI_FASTLANE,
|
|
QUIRK_MIDI_EMAGIC,
|
|
QUIRK_MIDI_CME,
|
|
QUIRK_MIDI_US122L,
|
|
QUIRK_AUDIO_STANDARD_INTERFACE,
|
|
QUIRK_AUDIO_FIXED_ENDPOINT,
|
|
QUIRK_AUDIO_EDIROL_UAXX,
|
|
QUIRK_AUDIO_ALIGN_TRANSFER,
|
|
|
|
QUIRK_TYPE_COUNT
|
|
};
|
|
|
|
struct snd_usb_audio_quirk {
|
|
const char *vendor_name;
|
|
const char *product_name;
|
|
int16_t ifnum;
|
|
uint16_t type;
|
|
const void *data;
|
|
};
|
|
|
|
/* data for QUIRK_MIDI_FIXED_ENDPOINT */
|
|
struct snd_usb_midi_endpoint_info {
|
|
int8_t out_ep; /* ep number, 0 autodetect */
|
|
uint8_t out_interval; /* interval for interrupt endpoints */
|
|
int8_t in_ep;
|
|
uint8_t in_interval;
|
|
uint16_t out_cables; /* bitmask */
|
|
uint16_t in_cables; /* bitmask */
|
|
};
|
|
|
|
/* for QUIRK_MIDI_YAMAHA, data is NULL */
|
|
|
|
/* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info
|
|
* structure (out_cables and in_cables only) */
|
|
|
|
/* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk
|
|
* structures, terminated with .ifnum = -1 */
|
|
|
|
/* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */
|
|
|
|
/* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */
|
|
|
|
/* for QUIRK_AUDIO_EDIROL_UAXX, data is NULL */
|
|
|
|
/* for QUIRK_IGNORE_INTERFACE, data is NULL */
|
|
|
|
/* for QUIRK_MIDI_NOVATION and _RAW, data is NULL */
|
|
|
|
/* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info
|
|
* structure (out_cables and in_cables only) */
|
|
|
|
/* for QUIRK_MIDI_CME, data is NULL */
|
|
|
|
/*
|
|
*/
|
|
|
|
/*E-mu USB samplerate control quirk*/
|
|
enum {
|
|
EMU_QUIRK_SR_44100HZ = 0,
|
|
EMU_QUIRK_SR_48000HZ,
|
|
EMU_QUIRK_SR_88200HZ,
|
|
EMU_QUIRK_SR_96000HZ,
|
|
EMU_QUIRK_SR_176400HZ,
|
|
EMU_QUIRK_SR_192000HZ
|
|
};
|
|
|
|
#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8))
|
|
#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16))
|
|
#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24))
|
|
|
|
unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size);
|
|
|
|
void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype);
|
|
void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype);
|
|
|
|
int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe,
|
|
__u8 request, __u8 requesttype, __u16 value, __u16 index,
|
|
void *data, __u16 size, int timeout);
|
|
|
|
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
|
|
int ignore_error);
|
|
void snd_usb_mixer_disconnect(struct list_head *p);
|
|
|
|
int snd_usbmidi_create(struct snd_card *card,
|
|
struct usb_interface *iface,
|
|
struct list_head *midi_list,
|
|
const struct snd_usb_audio_quirk *quirk);
|
|
void snd_usbmidi_input_stop(struct list_head* p);
|
|
void snd_usbmidi_input_start(struct list_head* p);
|
|
void snd_usbmidi_disconnect(struct list_head *p);
|
|
|
|
void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
|
|
unsigned char samplerate_id);
|
|
|
|
/*
|
|
* retrieve usb_interface descriptor from the host interface
|
|
* (conditional for compatibility with the older API)
|
|
*/
|
|
#ifndef get_iface_desc
|
|
#define get_iface_desc(iface) (&(iface)->desc)
|
|
#define get_endpoint(alt,ep) (&(alt)->endpoint[ep].desc)
|
|
#define get_ep_desc(ep) (&(ep)->desc)
|
|
#define get_cfg_desc(cfg) (&(cfg)->desc)
|
|
#endif
|
|
|
|
#ifndef snd_usb_get_speed
|
|
#define snd_usb_get_speed(dev) ((dev)->speed)
|
|
#endif
|
|
|
|
#endif /* __USBAUDIO_H */
|