Daniel Mack | 3e1aebe | 2010-03-04 19:46:12 +0100 | [diff] [blame] | 1 | #ifndef __USBMIXER_H |
| 2 | #define __USBMIXER_H |
| 3 | |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 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 | |
Daniel Mack | 23caaf1 | 2010-03-11 21:13:25 +0100 | [diff] [blame] | 13 | /* the usb audio specification version this interface complies to */ |
| 14 | int protocol; |
| 15 | |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 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 | |
Daniel Mack | 3e1aebe | 2010-03-04 19:46:12 +0100 | [diff] [blame] | 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 | |
Daniel Mack | 7b1eda2 | 2010-03-11 21:13:22 +0100 | [diff] [blame] | 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); |
Daniel Mack | 3e1aebe | 2010-03-04 19:46:12 +0100 | [diff] [blame] | 54 | |
| 55 | #endif /* __USBMIXER_H */ |