xref: /openbmc/linux/sound/usb/6fire/control.h (revision 2f164822)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Linux driver for TerraTec DMX 6Fire USB
4  *
5  * Author:	Torsten Schenk <torsten.schenk@zoho.com>
6  * Created:	Jan 01, 2011
7  * Copyright:	(C) Torsten Schenk
8  */
9 
10 #ifndef USB6FIRE_CONTROL_H
11 #define USB6FIRE_CONTROL_H
12 
13 #include "common.h"
14 
15 enum {
16 	CONTROL_MAX_ELEMENTS = 32
17 };
18 
19 enum {
20 	CONTROL_RATE_44KHZ,
21 	CONTROL_RATE_48KHZ,
22 	CONTROL_RATE_88KHZ,
23 	CONTROL_RATE_96KHZ,
24 	CONTROL_RATE_176KHZ,
25 	CONTROL_RATE_192KHZ,
26 	CONTROL_N_RATES
27 };
28 
29 struct control_runtime {
30 	int (*update_streaming)(struct control_runtime *rt);
31 	int (*set_rate)(struct control_runtime *rt, int rate);
32 	int (*set_channels)(struct control_runtime *rt, int n_analog_out,
33 		int n_analog_in, bool spdif_out, bool spdif_in);
34 
35 	struct sfire_chip *chip;
36 
37 	struct snd_kcontrol *element[CONTROL_MAX_ELEMENTS];
38 	bool opt_coax_switch;
39 	bool line_phono_switch;
40 	bool digital_thru_switch;
41 	bool usb_streaming;
42 	u8 output_vol[6];
43 	u8 ovol_updated;
44 	u8 output_mute;
45 	s8 input_vol[2];
46 	u8 ivol_updated;
47 };
48 
49 int usb6fire_control_init(struct sfire_chip *chip);
50 void usb6fire_control_abort(struct sfire_chip *chip);
51 void usb6fire_control_destroy(struct sfire_chip *chip);
52 #endif /* USB6FIRE_CONTROL_H */
53 
54