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gerrit-public.fairphone.software / kernel / msm-4.9 / a6cece9d81990e729c1f9da2a5bff2d29f7df649 / . / sound / usb / mixer.h
blob: 2c7b9c9c2aa642eea27f6d533c348e0043986b62 [file] [log] [blame]
Daniel Mack3e1aebe2010-03-04 19:46:12 +0100[diff] [blame]1#ifndef __USBMIXER_H
2#define __USBMIXER_H
3
Daniel Mack7b1eda22010-03-11 21:13:22 +0100[diff] [blame]4struct usb_mixer_interface {
5 struct snd_usb_audio *chip;
Daniel Mack1faa5d02011-08-04 15:56:28 +0200[diff] [blame]6 struct usb_host_interface *hostif;
Daniel Mack7b1eda22010-03-11 21:13:22 +0100[diff] [blame]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
Daniel Mack23caaf12010-03-11 21:13:25 +0100[diff] [blame]13 /* the usb audio specification version this interface complies to */
14 int protocol;
15
Daniel Mack7b1eda22010-03-11 21:13:22 +0100[diff] [blame]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
Daniel Mack9e386582011-05-25 09:09:01 +0200[diff] [blame]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};
Daniel Mack7b1eda22010-03-11 21:13:22 +0100[diff] [blame]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 */
Eldad Zack9f814102012-11-28 23:55:35 +0100[diff] [blame]46 unsigned int idx_off; /* Control index offset */
Daniel Macka6a33252010-05-31 13:35:37 +0200[diff] [blame]47 unsigned int ch_readonly;
48 unsigned int master_readonly;
Daniel Mack7b1eda22010-03-11 21:13:22 +0100[diff] [blame]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
Daniel Mack3e1aebe2010-03-04 19:46:12 +0100[diff] [blame]58int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
59 int ignore_error);
Takashi Iwaia6cece92014-10-31 11:24:32 +0100[diff] [blame^]60void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer);
Daniel Mack3e1aebe2010-03-04 19:46:12 +0100[diff] [blame]61
Daniel Mack7b1eda22010-03-11 21:13:22 +0100[diff] [blame]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);
Daniel Mack3e1aebe2010-03-04 19:46:12 +0100[diff] [blame]66
Daniel Mackef9d5972011-05-25 09:09:00 +0200[diff] [blame]67int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer,
68 struct snd_kcontrol *kctl);
69
Felix Homann285de9c2012-04-23 20:24:24 +0200[diff] [blame]70int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
71 unsigned int size, unsigned int __user *_tlv);
72
Takashi Iwai400362f2014-01-20 16:51:16 +0100[diff] [blame]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
Daniel Mack3e1aebe2010-03-04 19:46:12 +0100[diff] [blame]78#endif /* __USBMIXER_H */