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3e1aebef DM |
1 | #ifndef __USBMIXER_H |
2 | #define __USBMIXER_H | |
3 | ||
7b1eda22 DM |
4 | struct usb_mixer_interface { |
5 | struct snd_usb_audio *chip; | |
6 | unsigned int ctrlif; | |
7 | struct list_head list; | |
8 | unsigned int ignore_ctl_error; | |
9 | struct urb *urb; | |
10 | /* array[MAX_ID_ELEMS], indexed by unit id */ | |
11 | struct usb_mixer_elem_info **id_elems; | |
12 | ||
23caaf19 DM |
13 | /* the usb audio specification version this interface complies to */ |
14 | int protocol; | |
15 | ||
7b1eda22 DM |
16 | /* Sound Blaster remote control stuff */ |
17 | const struct rc_config *rc_cfg; | |
18 | u32 rc_code; | |
19 | wait_queue_head_t rc_waitq; | |
20 | struct urb *rc_urb; | |
21 | struct usb_ctrlrequest *rc_setup_packet; | |
22 | u8 rc_buffer[6]; | |
23 | ||
24 | u8 audigy2nx_leds[3]; | |
25 | u8 xonar_u1_status; | |
26 | }; | |
27 | ||
28 | #define MAX_CHANNELS 10 /* max logical channels */ | |
29 | ||
30 | struct usb_mixer_elem_info { | |
31 | struct usb_mixer_interface *mixer; | |
32 | struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */ | |
33 | struct snd_ctl_elem_id *elem_id; | |
34 | unsigned int id; | |
35 | unsigned int control; /* CS or ICN (high byte) */ | |
36 | unsigned int cmask; /* channel mask bitmap: 0 = master */ | |
37 | int channels; | |
38 | int val_type; | |
39 | int min, max, res; | |
40 | int dBmin, dBmax; | |
41 | int cached; | |
42 | int cache_val[MAX_CHANNELS]; | |
43 | u8 initialized; | |
44 | }; | |
45 | ||
3e1aebef DM |
46 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
47 | int ignore_error); | |
48 | void snd_usb_mixer_disconnect(struct list_head *p); | |
49 | ||
7b1eda22 DM |
50 | void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid); |
51 | ||
52 | int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, | |
53 | int request, int validx, int value_set); | |
3e1aebef DM |
54 | |
55 | #endif /* __USBMIXER_H */ |