[mirror_ubuntu-bionic-kernel.git] / sound / usb / usbmixer.h

#ifndef __USBMIXER_H
#define __USBMIXER_H

struct usb_mixer_interface {
	struct snd_usb_audio *chip;
	unsigned int ctrlif;
	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;

	/* 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	10	/* max logical channels */

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 */
	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);

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