1#ifndef __USBMIXER_H
 2#define __USBMIXER_H
 3
 4struct usb_mixer_interface {
 5	struct snd_usb_audio *chip;
 6	struct usb_host_interface *hostif;
 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	/* the usb audio specification version this interface complies to */
14	int protocol;
15
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	16	/* max logical channels */
29
30enum {
31	USB_MIXER_BOOLEAN,
32	USB_MIXER_INV_BOOLEAN,
33	USB_MIXER_S8,
34	USB_MIXER_U8,
35	USB_MIXER_S16,
36	USB_MIXER_U16,
37};
38
39struct usb_mixer_elem_info {
40	struct usb_mixer_interface *mixer;
41	struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */
42	struct snd_ctl_elem_id *elem_id;
43	unsigned int id;
44	unsigned int control;	/* CS or ICN (high byte) */
45	unsigned int cmask; /* channel mask bitmap: 0 = master */
46	unsigned int idx_off; /* Control index offset */
47	unsigned int ch_readonly;
48	unsigned int master_readonly;
49	int channels;
50	int val_type;
51	int min, max, res;
52	int dBmin, dBmax;
53	int cached;
54	int cache_val[MAX_CHANNELS];
55	u8 initialized;
56};
57
58int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
59			 int ignore_error);
60void snd_usb_mixer_disconnect(struct list_head *p);
61
62void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid);
63
64int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
65				int request, int validx, int value_set);
 
 
66
67int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer,
68			      struct snd_kcontrol *kctl);
69
70int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
71			  unsigned int size, unsigned int __user *_tlv);
72
73#ifdef CONFIG_PM
74int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer);
75int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume);
76#endif
77
78#endif /* __USBMIXER_H */

 1#ifndef __USBMIXER_H
 2#define __USBMIXER_H
 3
 4struct usb_mixer_interface {
 5	struct snd_usb_audio *chip;
 6	struct usb_host_interface *hostif;
 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	/* the usb audio specification version this interface complies to */
14	int protocol;
15
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	16	/* max logical channels */
29
30enum {
31	USB_MIXER_BOOLEAN,
32	USB_MIXER_INV_BOOLEAN,
33	USB_MIXER_S8,
34	USB_MIXER_U8,
35	USB_MIXER_S16,
36	USB_MIXER_U16,
37};
38
39struct usb_mixer_elem_info {
40	struct usb_mixer_interface *mixer;
41	struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */
42	struct snd_ctl_elem_id *elem_id;
43	unsigned int id;
44	unsigned int control;	/* CS or ICN (high byte) */
45	unsigned int cmask; /* channel mask bitmap: 0 = master */
 
46	unsigned int ch_readonly;
47	unsigned int master_readonly;
48	int channels;
49	int val_type;
50	int min, max, res;
51	int dBmin, dBmax;
52	int cached;
53	int cache_val[MAX_CHANNELS];
54	u8 initialized;
55};
56
57int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
58			 int ignore_error);
59void snd_usb_mixer_disconnect(struct list_head *p);
60
61void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid);
62
63int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
64				int request, int validx, int value_set);
65void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer);
66int snd_usb_mixer_activate(struct usb_mixer_interface *mixer);
67
68int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer,
69			      struct snd_kcontrol *kctl);
 
 
 
 
 
 
 
 
70
71#endif /* __USBMIXER_H */