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- #ifndef __USBAUDIO_H
- #define __USBAUDIO_H
- #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;
- struct usb_interface *pm_intf;
- u32 usb_id;
- struct mutex mutex;
- unsigned int autosuspended:1;
- atomic_t active;
- atomic_t shutdown;
- atomic_t usage_count;
- wait_queue_head_t shutdown_wait;
- unsigned int txfr_quirk:1;
- unsigned int tx_length_quirk:1;
-
- int num_interfaces;
- int num_suspended_intf;
- int sample_rate_read_error;
- struct list_head pcm_list;
- struct list_head ep_list;
- int pcm_devs;
- struct list_head midi_list;
- struct list_head mixer_list;
- int setup;
- bool autoclock;
- struct usb_host_interface *ctrl_intf;
- struct mutex dev_lock;
- int card_num;
- void (*disconnect_cb)(struct snd_usb_audio *chip);
- };
- #define usb_audio_err(chip, fmt, args...) \
- dev_err(&(chip)->dev->dev, fmt, ##args)
- #define usb_audio_warn(chip, fmt, args...) \
- dev_warn(&(chip)->dev->dev, fmt, ##args)
- #define usb_audio_info(chip, fmt, args...) \
- dev_info(&(chip)->dev->dev, fmt, ##args)
- #define usb_audio_dbg(chip, fmt, args...) \
- dev_dbg(&(chip)->dev->dev, fmt, ##args)
- #define QUIRK_NO_INTERFACE -2
- #define QUIRK_ANY_INTERFACE -1
- enum quirk_type {
- QUIRK_IGNORE_INTERFACE,
- QUIRK_COMPOSITE,
- QUIRK_AUTODETECT,
- QUIRK_MIDI_STANDARD_INTERFACE,
- QUIRK_MIDI_FIXED_ENDPOINT,
- QUIRK_MIDI_YAMAHA,
- QUIRK_MIDI_ROLAND,
- QUIRK_MIDI_MIDIMAN,
- QUIRK_MIDI_NOVATION,
- QUIRK_MIDI_RAW_BYTES,
- QUIRK_MIDI_EMAGIC,
- QUIRK_MIDI_CME,
- QUIRK_MIDI_AKAI,
- QUIRK_MIDI_US122L,
- QUIRK_MIDI_FTDI,
- QUIRK_MIDI_CH345,
- QUIRK_AUDIO_STANDARD_INTERFACE,
- QUIRK_AUDIO_FIXED_ENDPOINT,
- QUIRK_AUDIO_EDIROL_UAXX,
- QUIRK_AUDIO_ALIGN_TRANSFER,
- QUIRK_AUDIO_STANDARD_MIXER,
- 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;
- };
- #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))
- int snd_usb_lock_shutdown(struct snd_usb_audio *chip);
- void snd_usb_unlock_shutdown(struct snd_usb_audio *chip);
- #endif
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