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1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | #ifndef __USBAUDIO_H |
3 | #define __USBAUDIO_H | |
4 | /* | |
5 | * (Tentative) USB Audio Driver for ALSA | |
6 | * | |
7 | * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> | |
1da177e4 LT |
8 | */ |
9 | ||
27d10f56 CL |
10 | /* handling of USB vendor/product ID pairs as 32-bit numbers */ |
11 | #define USB_ID(vendor, product) (((vendor) << 16) | (product)) | |
12 | #define USB_ID_VENDOR(id) ((id) >> 16) | |
13 | #define USB_ID_PRODUCT(id) ((u16)(id)) | |
14 | ||
1da177e4 | 15 | /* |
e5779998 | 16 | * |
1da177e4 LT |
17 | */ |
18 | ||
66354f18 SK |
19 | struct media_device; |
20 | struct media_intf_devnode; | |
21 | ||
1da177e4 LT |
22 | struct snd_usb_audio { |
23 | int index; | |
24 | struct usb_device *dev; | |
86e07d34 | 25 | struct snd_card *card; |
88a8516a | 26 | struct usb_interface *pm_intf; |
27d10f56 | 27 | u32 usb_id; |
596580d0 | 28 | struct mutex mutex; |
88a8516a | 29 | unsigned int autosuspended:1; |
47ab1545 TI |
30 | atomic_t active; |
31 | atomic_t shutdown; | |
32 | atomic_t usage_count; | |
33 | wait_queue_head_t shutdown_wait; | |
98e89f60 | 34 | unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */ |
e0570446 | 35 | unsigned int tx_length_quirk:1; /* Put length specifier in transfers */ |
88a8516a | 36 | |
1da177e4 | 37 | int num_interfaces; |
f85bf29c | 38 | int num_suspended_intf; |
57dd5414 | 39 | int sample_rate_read_error; |
1da177e4 | 40 | |
17156f23 RB |
41 | int badd_profile; /* UAC3 BADD profile */ |
42 | ||
1da177e4 | 43 | struct list_head pcm_list; /* list of pcm streams */ |
8fdff6a3 | 44 | struct list_head ep_list; /* list of audio-related endpoints */ |
1da177e4 LT |
45 | int pcm_devs; |
46 | ||
47 | struct list_head midi_list; /* list of midi interfaces */ | |
1da177e4 | 48 | |
84957a8a | 49 | struct list_head mixer_list; /* list of mixer interfaces */ |
e5779998 DM |
50 | |
51 | int setup; /* from the 'device_setup' module param */ | |
ef02e29b | 52 | bool autoclock; /* from the 'autoclock' module param */ |
8a463225 TI |
53 | bool keep_iface; /* keep interface/altset after closing |
54 | * or parameter change | |
55 | */ | |
79f920fb DM |
56 | |
57 | struct usb_host_interface *ctrl_intf; /* the audio control interface */ | |
66354f18 SK |
58 | struct media_device *media_dev; |
59 | struct media_intf_devnode *ctl_intf_media_devnode; | |
1da177e4 LT |
60 | }; |
61 | ||
0ba41d91 TI |
62 | #define usb_audio_err(chip, fmt, args...) \ |
63 | dev_err(&(chip)->dev->dev, fmt, ##args) | |
64 | #define usb_audio_warn(chip, fmt, args...) \ | |
65 | dev_warn(&(chip)->dev->dev, fmt, ##args) | |
66 | #define usb_audio_info(chip, fmt, args...) \ | |
67 | dev_info(&(chip)->dev->dev, fmt, ##args) | |
68 | #define usb_audio_dbg(chip, fmt, args...) \ | |
69 | dev_dbg(&(chip)->dev->dev, fmt, ##args) | |
70 | ||
1da177e4 LT |
71 | /* |
72 | * Information about devices with broken descriptors | |
73 | */ | |
74 | ||
75 | /* special values for .ifnum */ | |
76 | #define QUIRK_NO_INTERFACE -2 | |
77 | #define QUIRK_ANY_INTERFACE -1 | |
78 | ||
854af957 CL |
79 | enum quirk_type { |
80 | QUIRK_IGNORE_INTERFACE, | |
81 | QUIRK_COMPOSITE, | |
aafe77cc | 82 | QUIRK_AUTODETECT, |
854af957 CL |
83 | QUIRK_MIDI_STANDARD_INTERFACE, |
84 | QUIRK_MIDI_FIXED_ENDPOINT, | |
85 | QUIRK_MIDI_YAMAHA, | |
aafe77cc | 86 | QUIRK_MIDI_ROLAND, |
854af957 CL |
87 | QUIRK_MIDI_MIDIMAN, |
88 | QUIRK_MIDI_NOVATION, | |
c7f57216 | 89 | QUIRK_MIDI_RAW_BYTES, |
854af957 | 90 | QUIRK_MIDI_EMAGIC, |
cc7a59bd | 91 | QUIRK_MIDI_CME, |
4434ade8 | 92 | QUIRK_MIDI_AKAI, |
030a07e4 | 93 | QUIRK_MIDI_US122L, |
1ef0e0a0 | 94 | QUIRK_MIDI_FTDI, |
1ca8b201 | 95 | QUIRK_MIDI_CH345, |
854af957 CL |
96 | QUIRK_AUDIO_STANDARD_INTERFACE, |
97 | QUIRK_AUDIO_FIXED_ENDPOINT, | |
310e0dc0 | 98 | QUIRK_AUDIO_EDIROL_UAXX, |
52a7a583 | 99 | QUIRK_AUDIO_ALIGN_TRANSFER, |
014950b0 | 100 | QUIRK_AUDIO_STANDARD_MIXER, |
854af957 CL |
101 | |
102 | QUIRK_TYPE_COUNT | |
103 | }; | |
1da177e4 | 104 | |
1da177e4 LT |
105 | struct snd_usb_audio_quirk { |
106 | const char *vendor_name; | |
107 | const char *product_name; | |
07eca5fc | 108 | const char *profile_name; /* override the card->longname */ |
1da177e4 | 109 | int16_t ifnum; |
854af957 | 110 | uint16_t type; |
66354f18 | 111 | bool shares_media_device; |
1da177e4 LT |
112 | const void *data; |
113 | }; | |
114 | ||
f4950882 | 115 | #define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8)) |
1da177e4 LT |
116 | #define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16)) |
117 | #define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24)) | |
118 | ||
47ab1545 TI |
119 | int snd_usb_lock_shutdown(struct snd_usb_audio *chip); |
120 | void snd_usb_unlock_shutdown(struct snd_usb_audio *chip); | |
121 | ||
f274baa4 TI |
122 | extern bool snd_usb_use_vmalloc; |
123 | ||
1da177e4 | 124 | #endif /* __USBAUDIO_H */ |