79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
#ifndef __USBMIXER_H
|
|
#define __USBMIXER_H
|
|
|
|
struct usb_mixer_interface {
|
|
struct snd_usb_audio *chip;
|
|
struct usb_host_interface *hostif;
|
|
struct list_head list;
|
|
unsigned int ignore_ctl_error;
|
|
struct urb *urb;
|
|
/* array[MAX_ID_ELEMS], indexed by unit id */
|
|
struct usb_mixer_elem_info **id_elems;
|
|
|
|
/* the usb audio specification version this interface complies to */
|
|
int protocol;
|
|
|
|
/* Sound Blaster remote control stuff */
|
|
const struct rc_config *rc_cfg;
|
|
u32 rc_code;
|
|
wait_queue_head_t rc_waitq;
|
|
struct urb *rc_urb;
|
|
struct usb_ctrlrequest *rc_setup_packet;
|
|
u8 rc_buffer[6];
|
|
|
|
u8 audigy2nx_leds[3];
|
|
u8 xonar_u1_status;
|
|
};
|
|
|
|
#define MAX_CHANNELS 16 /* max logical channels */
|
|
|
|
enum {
|
|
USB_MIXER_BOOLEAN,
|
|
USB_MIXER_INV_BOOLEAN,
|
|
USB_MIXER_S8,
|
|
USB_MIXER_U8,
|
|
USB_MIXER_S16,
|
|
USB_MIXER_U16,
|
|
};
|
|
|
|
struct usb_mixer_elem_info {
|
|
struct usb_mixer_interface *mixer;
|
|
struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */
|
|
struct snd_ctl_elem_id *elem_id;
|
|
unsigned int id;
|
|
unsigned int control; /* CS or ICN (high byte) */
|
|
unsigned int cmask; /* channel mask bitmap: 0 = master */
|
|
unsigned int idx_off; /* Control index offset */
|
|
unsigned int ch_readonly;
|
|
unsigned int master_readonly;
|
|
int channels;
|
|
int val_type;
|
|
int min, max, res;
|
|
int dBmin, dBmax;
|
|
int cached;
|
|
int cache_val[MAX_CHANNELS];
|
|
u8 initialized;
|
|
};
|
|
|
|
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
|
|
int ignore_error);
|
|
void snd_usb_mixer_disconnect(struct list_head *p);
|
|
|
|
void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid);
|
|
|
|
int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
|
|
int request, int validx, int value_set);
|
|
|
|
int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer,
|
|
struct snd_kcontrol *kctl);
|
|
|
|
int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
|
|
unsigned int size, unsigned int __user *_tlv);
|
|
|
|
#ifdef CONFIG_PM
|
|
int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer);
|
|
int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume);
|
|
#endif
|
|
|
|
#endif /* __USBMIXER_H */
|