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