linux/sound/usb/6fire/control.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Linux driver for TerraTec DMX 6Fire USB
 *
 * Mixer control
 *
 * Author:	Torsten Schenk <[email protected]>
 * Created:	Jan 01, 2011
 * Copyright:	(C) Torsten Schenk
 *
 * Thanks to:
 * - Holger Ruckdeschel: he found out how to control individual channel
 *   volumes and introduced mute switch
 */

#include <linux/interrupt.h>
#include <sound/control.h>
#include <sound/tlv.h>

#include "control.h"
#include "comm.h"
#include "chip.h"

static const char * const opt_coax_texts[2] = …;
static const char * const line_phono_texts[2] = …;

/*
 * data that needs to be sent to device. sets up card internal stuff.
 * values dumped from windows driver and filtered by trial'n'error.
 */
static const struct { … }
init_data[] = …;

static const int rates_altsetting[] = …;
/* values to write to soundcard register for all samplerates */
static const u16 rates_6fire_vl[] = …;
static const u16 rates_6fire_vh[] = …;

static DECLARE_TLV_DB_MINMAX(tlv_output, -9000, 0);
static DECLARE_TLV_DB_MINMAX(tlv_input, -1500, 1500);

enum { … };

static void usb6fire_control_output_vol_update(struct control_runtime *rt)
{ … }

static void usb6fire_control_output_mute_update(struct control_runtime *rt)
{ … }

static void usb6fire_control_input_vol_update(struct control_runtime *rt)
{ … }

static void usb6fire_control_line_phono_update(struct control_runtime *rt)
{ … }

static void usb6fire_control_opt_coax_update(struct control_runtime *rt)
{ … }

static int usb6fire_control_set_rate(struct control_runtime *rt, int rate)
{ … }

static int usb6fire_control_set_channels(
	struct control_runtime *rt, int n_analog_out,
	int n_analog_in, bool spdif_out, bool spdif_in)
{ … }

static int usb6fire_control_streaming_update(struct control_runtime *rt)
{ … }

static int usb6fire_control_output_vol_info(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_info *uinfo)
{ … }

static int usb6fire_control_output_vol_put(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_output_mute_put(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_output_mute_get(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_input_vol_info(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_info *uinfo)
{ … }

static int usb6fire_control_input_vol_put(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_input_vol_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_info *uinfo)
{ … }

static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_line_phono_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_opt_coax_info(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_info *uinfo)
{ … }

static int usb6fire_control_opt_coax_put(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_digital_thru_put(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{ … }

static const struct snd_kcontrol_new vol_elements[] = …;

static const struct snd_kcontrol_new mute_elements[] = …;

static const struct snd_kcontrol_new elements[] = …;

static int usb6fire_control_add_virtual(
	struct control_runtime *rt,
	struct snd_card *card,
	char *name,
	const struct snd_kcontrol_new *elems)
{ … }

int usb6fire_control_init(struct sfire_chip *chip)
{ … }

void usb6fire_control_abort(struct sfire_chip *chip)
{ … }

void usb6fire_control_destroy(struct sfire_chip *chip)
{ … }