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control.h
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1 /*
2  * Linux driver for TerraTec DMX 6Fire USB
3  *
4  * Author: Torsten Schenk <[email protected]>
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 __devinit 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 
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