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 */

  1#ifndef __USBMIXER_H
  2#define __USBMIXER_H
  3
  4#include <sound/info.h>
  5
  6struct usb_mixer_interface {
  7	struct snd_usb_audio *chip;
  8	struct usb_host_interface *hostif;
  9	struct list_head list;
 10	unsigned int ignore_ctl_error;
 11	struct urb *urb;
 12	/* array[MAX_ID_ELEMS], indexed by unit id */
 13	struct usb_mixer_elem_list **id_elems;
 14
 15	/* the usb audio specification version this interface complies to */
 16	int protocol;
 17
 18	/* Sound Blaster remote control stuff */
 19	const struct rc_config *rc_cfg;
 20	u32 rc_code;
 21	wait_queue_head_t rc_waitq;
 22	struct urb *rc_urb;
 23	struct usb_ctrlrequest *rc_setup_packet;
 24	u8 rc_buffer[6];
 
 
 
 25};
 26
 27#define MAX_CHANNELS	16	/* max logical channels */
 28
 29enum {
 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	USB_MIXER_S32,
 37	USB_MIXER_U32,
 38};
 39
 40typedef void (*usb_mixer_elem_dump_func_t)(struct snd_info_buffer *buffer,
 41					 struct usb_mixer_elem_list *list);
 42typedef int (*usb_mixer_elem_resume_func_t)(struct usb_mixer_elem_list *elem);
 43
 44struct usb_mixer_elem_list {
 45	struct usb_mixer_interface *mixer;
 46	struct usb_mixer_elem_list *next_id_elem; /* list of controls with same id */
 47	struct snd_kcontrol *kctl;
 48	unsigned int id;
 49	usb_mixer_elem_dump_func_t dump;
 50	usb_mixer_elem_resume_func_t resume;
 51};
 52
 53struct usb_mixer_elem_info {
 54	struct usb_mixer_elem_list head;
 55	unsigned int control;	/* CS or ICN (high byte) */
 56	unsigned int cmask; /* channel mask bitmap: 0 = master */
 57	unsigned int idx_off; /* Control index offset */
 58	unsigned int ch_readonly;
 59	unsigned int master_readonly;
 60	int channels;
 61	int val_type;
 62	int min, max, res;
 63	int dBmin, dBmax;
 64	int cached;
 65	int cache_val[MAX_CHANNELS];
 66	u8 initialized;
 67	void *private_data;
 68};
 69
 70int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
 71			 int ignore_error);
 72void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer);
 73
 74void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid);
 75
 76int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
 77				int request, int validx, int value_set);
 
 
 78
 79int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list,
 80			      struct snd_kcontrol *kctl);
 81
 82void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list,
 83				 struct usb_mixer_interface *mixer,
 84				 int unitid);
 85
 86int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 87			  unsigned int size, unsigned int __user *_tlv);
 88
 89#ifdef CONFIG_PM
 90int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer);
 91int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume);
 92#endif
 93
 94int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
 95                             int index, int value);
 96
 97int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval,
 98                             int channel, int index, int *value);
 99
100extern void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl);
101
102#endif /* __USBMIXER_H */