sound/usb/6fire/control.h

   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