LXR linux/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
  19enum {
  20        CONTROL_MAX_ELEMENTS = 32
  21};
  22
  23enum {
  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
  33struct 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
  53int usb6fire_control_init(struct sfire_chip *chip);
  54void usb6fire_control_abort(struct sfire_chip *chip);
  55void usb6fire_control_destroy(struct sfire_chip *chip);
  56#endif /* USB6FIRE_CONTROL_H */
  57
  58