1
2#ifndef __USBAUDIO_H
3#define __USBAUDIO_H
4
5
6
7
8
9
10
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
15
16
17
18
19struct media_device;
20struct media_intf_devnode;
21
22#define MAX_CARD_INTERFACES 16
23
24struct snd_usb_audio {
25 int index;
26 struct usb_device *dev;
27 struct snd_card *card;
28 struct usb_interface *intf[MAX_CARD_INTERFACES];
29 u32 usb_id;
30 struct mutex mutex;
31 unsigned int system_suspend;
32 atomic_t active;
33 atomic_t shutdown;
34 atomic_t usage_count;
35 wait_queue_head_t shutdown_wait;
36 unsigned int txfr_quirk:1;
37 unsigned int tx_length_quirk:1;
38 unsigned int setup_fmt_after_resume_quirk:1;
39 unsigned int need_delayed_register:1;
40 int num_interfaces;
41 int num_suspended_intf;
42 int sample_rate_read_error;
43
44 int badd_profile;
45
46 struct list_head pcm_list;
47 struct list_head ep_list;
48 int pcm_devs;
49
50 struct list_head midi_list;
51
52 struct list_head mixer_list;
53
54 int setup;
55 bool autoclock;
56 bool keep_iface;
57
58
59
60 struct usb_host_interface *ctrl_intf;
61 struct media_device *media_dev;
62 struct media_intf_devnode *ctl_intf_media_devnode;
63};
64
65#define usb_audio_err(chip, fmt, args...) \
66 dev_err(&(chip)->dev->dev, fmt, ##args)
67#define usb_audio_warn(chip, fmt, args...) \
68 dev_warn(&(chip)->dev->dev, fmt, ##args)
69#define usb_audio_info(chip, fmt, args...) \
70 dev_info(&(chip)->dev->dev, fmt, ##args)
71#define usb_audio_dbg(chip, fmt, args...) \
72 dev_dbg(&(chip)->dev->dev, fmt, ##args)
73
74
75
76
77
78
79#define QUIRK_NO_INTERFACE -2
80#define QUIRK_ANY_INTERFACE -1
81
82enum quirk_type {
83 QUIRK_IGNORE_INTERFACE,
84 QUIRK_COMPOSITE,
85 QUIRK_AUTODETECT,
86 QUIRK_MIDI_STANDARD_INTERFACE,
87 QUIRK_MIDI_FIXED_ENDPOINT,
88 QUIRK_MIDI_YAMAHA,
89 QUIRK_MIDI_ROLAND,
90 QUIRK_MIDI_MIDIMAN,
91 QUIRK_MIDI_NOVATION,
92 QUIRK_MIDI_RAW_BYTES,
93 QUIRK_MIDI_EMAGIC,
94 QUIRK_MIDI_CME,
95 QUIRK_MIDI_AKAI,
96 QUIRK_MIDI_US122L,
97 QUIRK_MIDI_FTDI,
98 QUIRK_MIDI_CH345,
99 QUIRK_AUDIO_STANDARD_INTERFACE,
100 QUIRK_AUDIO_FIXED_ENDPOINT,
101 QUIRK_AUDIO_EDIROL_UAXX,
102 QUIRK_AUDIO_ALIGN_TRANSFER,
103 QUIRK_AUDIO_STANDARD_MIXER,
104 QUIRK_SETUP_FMT_AFTER_RESUME,
105 QUIRK_SETUP_DISABLE_AUTOSUSPEND,
106
107 QUIRK_TYPE_COUNT
108};
109
110struct snd_usb_audio_quirk {
111 const char *vendor_name;
112 const char *product_name;
113 const char *profile_name;
114 int16_t ifnum;
115 uint16_t type;
116 bool shares_media_device;
117 const void *data;
118};
119
120#define combine_word(s) ((*(s)) | ((unsigned int)(s)[1] << 8))
121#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16))
122#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24))
123
124int snd_usb_lock_shutdown(struct snd_usb_audio *chip);
125void snd_usb_unlock_shutdown(struct snd_usb_audio *chip);
126
127extern bool snd_usb_use_vmalloc;
128extern bool snd_usb_skip_validation;
129
130#endif
131