[net-next-2.6.git] / sound / usb / mixer.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;

	/* 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	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 */
	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);

#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
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 */
a6a33259 DM	37	unsigned int ch_readonly;
a6a33259 DM	38	unsigned int master_readonly;
7b1eda22 DM	39	int channels;
	40	int val_type;
	41	int min, max, res;
	42	int dBmin, dBmax;
	43	int cached;
	44	int cache_val[MAX_CHANNELS];
	45	u8 initialized;
	46	};
	47
3e1aebef DM	48	int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
	49	int ignore_error);
	50	void snd_usb_mixer_disconnect(struct list_head *p);
	51
7b1eda22 DM	52	void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid);
	53
	54	int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
	55	int request, int validx, int value_set);
3e1aebef DM	56
3e1aebef DM	57	#endif /* __USBMIXER_H */