root/sound/usb/6fire/control.h

INCLUDED FROM

   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