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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /sound/usb/usbaudio.h | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/usb/usbaudio.h')
-rw-r--r-- | sound/usb/usbaudio.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h new file mode 100644 index 000000000..d8e31ee03 --- /dev/null +++ b/sound/usb/usbaudio.h @@ -0,0 +1,132 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef __USBAUDIO_H +#define __USBAUDIO_H +/* + * (Tentative) USB Audio Driver for ALSA + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + */ + +/* handling of USB vendor/product ID pairs as 32-bit numbers */ +#define USB_ID(vendor, product) (((unsigned int)(vendor) << 16) | (product)) +#define USB_ID_VENDOR(id) ((id) >> 16) +#define USB_ID_PRODUCT(id) ((u16)(id)) + +/* + * + */ + +struct media_device; +struct media_intf_devnode; + +#define MAX_CARD_INTERFACES 16 + +struct snd_usb_audio { + int index; + struct usb_device *dev; + struct snd_card *card; + struct usb_interface *intf[MAX_CARD_INTERFACES]; + u32 usb_id; + uint16_t quirk_type; + struct mutex mutex; + unsigned int system_suspend; + atomic_t active; + atomic_t shutdown; + atomic_t usage_count; + wait_queue_head_t shutdown_wait; + unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */ + unsigned int tx_length_quirk:1; /* Put length specifier in transfers */ + unsigned int setup_fmt_after_resume_quirk:1; /* setup the format to interface after resume */ + unsigned int need_delayed_register:1; /* warn for delayed registration */ + int num_interfaces; + int num_suspended_intf; + int sample_rate_read_error; + + int badd_profile; /* UAC3 BADD profile */ + + struct list_head pcm_list; /* list of pcm streams */ + struct list_head ep_list; /* list of audio-related endpoints */ + int pcm_devs; + + struct list_head midi_list; /* list of midi interfaces */ + + struct list_head mixer_list; /* list of mixer interfaces */ + + int setup; /* from the 'device_setup' module param */ + bool autoclock; /* from the 'autoclock' module param */ + bool keep_iface; /* keep interface/altset after closing + * or parameter change + */ + + struct usb_host_interface *ctrl_intf; /* the audio control interface */ + struct media_device *media_dev; + struct media_intf_devnode *ctl_intf_media_devnode; +}; + +#define USB_AUDIO_IFACE_UNUSED ((void *)-1L) + +#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) + +/* + * 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_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_SETUP_FMT_AFTER_RESUME, + QUIRK_SETUP_DISABLE_AUTOSUSPEND, + + QUIRK_TYPE_COUNT +}; + +struct snd_usb_audio_quirk { + const char *vendor_name; + const char *product_name; + int16_t ifnum; + uint16_t type; + bool shares_media_device; + 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); + +extern bool snd_usb_use_vmalloc; +extern bool snd_usb_skip_validation; + +#endif /* __USBAUDIO_H */ |