Commit | Line | Data |
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3e1aebef DM |
1 | #ifndef __USBMIXER_H |
2 | #define __USBMIXER_H | |
3 | ||
3360b84b TI |
4 | #include <sound/info.h> |
5 | ||
7b1eda22 DM |
6 | struct usb_mixer_interface { |
7 | struct snd_usb_audio *chip; | |
1faa5d07 | 8 | struct usb_host_interface *hostif; |
7b1eda22 DM |
9 | struct list_head list; |
10 | unsigned int ignore_ctl_error; | |
11 | struct urb *urb; | |
12 | /* array[MAX_ID_ELEMS], indexed by unit id */ | |
3360b84b | 13 | struct usb_mixer_elem_list **id_elems; |
7b1eda22 | 14 | |
23caaf19 DM |
15 | /* the usb audio specification version this interface complies to */ |
16 | int protocol; | |
17 | ||
7b1eda22 DM |
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]; | |
7b1eda22 DM |
25 | }; |
26 | ||
9e38658f DM |
27 | #define MAX_CHANNELS 16 /* max logical channels */ |
28 | ||
29 | enum { | |
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 | }; | |
7b1eda22 | 37 | |
3360b84b TI |
38 | typedef void (*usb_mixer_elem_dump_func_t)(struct snd_info_buffer *buffer, |
39 | struct usb_mixer_elem_list *list); | |
40 | typedef int (*usb_mixer_elem_resume_func_t)(struct usb_mixer_elem_list *elem); | |
41 | ||
42 | struct usb_mixer_elem_list { | |
7b1eda22 | 43 | struct usb_mixer_interface *mixer; |
3360b84b TI |
44 | struct usb_mixer_elem_list *next_id_elem; /* list of controls with same id */ |
45 | struct snd_kcontrol *kctl; | |
7b1eda22 | 46 | unsigned int id; |
3360b84b TI |
47 | usb_mixer_elem_dump_func_t dump; |
48 | usb_mixer_elem_resume_func_t resume; | |
49 | }; | |
50 | ||
51 | struct usb_mixer_elem_info { | |
52 | struct usb_mixer_elem_list head; | |
7b1eda22 DM |
53 | unsigned int control; /* CS or ICN (high byte) */ |
54 | unsigned int cmask; /* channel mask bitmap: 0 = master */ | |
9f814105 | 55 | unsigned int idx_off; /* Control index offset */ |
a6a33259 DM |
56 | unsigned int ch_readonly; |
57 | unsigned int master_readonly; | |
7b1eda22 DM |
58 | int channels; |
59 | int val_type; | |
60 | int min, max, res; | |
61 | int dBmin, dBmax; | |
62 | int cached; | |
63 | int cache_val[MAX_CHANNELS]; | |
64 | u8 initialized; | |
f41d6049 | 65 | void *private_data; |
7b1eda22 DM |
66 | }; |
67 | ||
3e1aebef DM |
68 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
69 | int ignore_error); | |
a6cece9d | 70 | void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer); |
3e1aebef | 71 | |
7b1eda22 DM |
72 | void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid); |
73 | ||
74 | int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, | |
75 | int request, int validx, int value_set); | |
3e1aebef | 76 | |
3360b84b | 77 | int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list, |
ef9d5970 DM |
78 | struct snd_kcontrol *kctl); |
79 | ||
3360b84b TI |
80 | void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, |
81 | struct usb_mixer_interface *mixer, | |
82 | int unitid); | |
83 | ||
285de9c0 FH |
84 | int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, |
85 | unsigned int size, unsigned int __user *_tlv); | |
86 | ||
400362f1 TI |
87 | #ifdef CONFIG_PM |
88 | int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer); | |
89 | int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume); | |
90 | #endif | |
91 | ||
eef90451 CA |
92 | int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, |
93 | int index, int value); | |
94 | ||
95 | int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, | |
96 | int channel, int index, int *value); | |
97 | ||
98 | extern void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl); | |
99 | ||
3e1aebef | 100 | #endif /* __USBMIXER_H */ |