xref: /openbmc/linux/sound/usb/6fire/control.h (revision 87f9796a)
1 /*
2  * Linux driver for TerraTec DMX 6Fire USB
3  *
4  * Author:	Torsten Schenk <torsten.schenk@zoho.com>
5  * Created:	Jan 01, 2011
6  * Copyright:	(C) Torsten Schenk
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  */
13 
14 #ifndef USB6FIRE_CONTROL_H
15 #define USB6FIRE_CONTROL_H
16 
17 #include "common.h"
18 
19 enum {
20 	CONTROL_MAX_ELEMENTS = 32
21 };
22 
23 enum {
24 	CONTROL_RATE_44KHZ,
25 	CONTROL_RATE_48KHZ,
26 	CONTROL_RATE_88KHZ,
27 	CONTROL_RATE_96KHZ,
28 	CONTROL_RATE_176KHZ,
29 	CONTROL_RATE_192KHZ,
30 	CONTROL_N_RATES
31 };
32 
33 struct control_runtime {
34 	int (*update_streaming)(struct control_runtime *rt);
35 	int (*set_rate)(struct control_runtime *rt, int rate);
36 	int (*set_channels)(struct control_runtime *rt, int n_analog_out,
37 		int n_analog_in, bool spdif_out, bool spdif_in);
38 
39 	struct sfire_chip *chip;
40 
41 	struct snd_kcontrol *element[CONTROL_MAX_ELEMENTS];
42 	bool opt_coax_switch;
43 	bool line_phono_switch;
44 	bool digital_thru_switch;
45 	bool usb_streaming;
46 	u8 output_vol[6];
47 	u8 ovol_updated;
48 	u8 output_mute;
49 	s8 input_vol[2];
50 	u8 ivol_updated;
51 };
52 
53 int usb6fire_control_init(struct sfire_chip *chip);
54 void usb6fire_control_abort(struct sfire_chip *chip);
55 void usb6fire_control_destroy(struct sfire_chip *chip);
56 #endif /* USB6FIRE_CONTROL_H */
57 
58