projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3e1aebef DM |
1 | #ifndef __USBMIXER_H |
| 2 | #define __USBMIXER_H | |
| 3 | ||
| 7b1eda22 DM |
4 | struct usb_mixer_interface { |
| 5 | struct snd_usb_audio *chip; | |
| 7b1eda22 DM |
6 | struct list_head list; |
| 7 | unsigned int ignore_ctl_error; | |
| 8 | struct urb *urb; | |
| 9 | /* array[MAX_ID_ELEMS], indexed by unit id */ | |
| 10 | struct usb_mixer_elem_info **id_elems; | |
| 11 | ||
| 23caaf19 DM |
12 | /* the usb audio specification version this interface complies to */ |
| 13 | int protocol; | |
| 14 | ||
| 7b1eda22 DM |
15 | /* Sound Blaster remote control stuff */ |
| 16 | const struct rc_config *rc_cfg; | |
| 17 | u32 rc_code; | |
| 18 | wait_queue_head_t rc_waitq; | |
| 19 | struct urb *rc_urb; | |
| 20 | struct usb_ctrlrequest *rc_setup_packet; | |
| 21 | u8 rc_buffer[6]; | |
| 22 | ||
| 23 | u8 audigy2nx_leds[3]; | |
| 24 | u8 xonar_u1_status; | |
| 25 | }; | |
| 26 | ||
| 9e38658f DM |
27 | #define MAX_CHANNELS 16 /* max logical channels */ |
| 28 | ||
| 29 | enum { | |
| 30 | USB_MIXER_BOOLEAN, | |
| 31 | USB_MIXER_INV_BOOLEAN, | |
| 32 | USB_MIXER_S8, | |
| 33 | USB_MIXER_U8, | |
| 34 | USB_MIXER_S16, | |
| 35 | USB_MIXER_U16, | |
| 36 | }; | |
| 7b1eda22 DM |
37 | |
| 38 | struct usb_mixer_elem_info { | |
| 39 | struct usb_mixer_interface *mixer; | |
| 40 | struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */ | |
| 41 | struct snd_ctl_elem_id *elem_id; | |
| 42 | unsigned int id; | |
| 43 | unsigned int control; /* CS or ICN (high byte) */ | |
| 44 | unsigned int cmask; /* channel mask bitmap: 0 = master */ | |
| a6a33259 DM |
45 | unsigned int ch_readonly; |
| 46 | unsigned int master_readonly; | |
| 7b1eda22 DM |
47 | int channels; |
| 48 | int val_type; | |
| 49 | int min, max, res; | |
| 50 | int dBmin, dBmax; | |
| 51 | int cached; | |
| 52 | int cache_val[MAX_CHANNELS]; | |
| 53 | u8 initialized; | |
| 54 | }; | |
| 55 | ||
| 3e1aebef DM |
56 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
| 57 | int ignore_error); | |
| 58 | void snd_usb_mixer_disconnect(struct list_head *p); | |
| 59 | ||
| 7b1eda22 DM |
60 | void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid); |
| 61 | ||
| 62 | int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, | |
| 63 | int request, int validx, int value_set); | |
| edf7de31 ON |
64 | void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer); |
| 65 | int snd_usb_mixer_activate(struct usb_mixer_interface *mixer); | |
| 3e1aebef | 66 | |
| ef9d5970 DM |
67 | int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer, |
| 68 | struct snd_kcontrol *kctl); | |
| 69 | ||
| 3e1aebef | 70 | #endif /* __USBMIXER_H */ |