linux/sound/pci/ice1712/wtm.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	ALSA driver for ICEnsemble VT1724 (Envy24HT)
 *
 *	Lowlevel functions for Ego Sys Waveterminal 192M
 *
 *		Copyright (c) 2006 Guedez Clement <[email protected]>
 *		Some functions are taken from the Prodigy192 driver
 *		source
 */



#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <sound/core.h>
#include <sound/tlv.h>
#include <linux/slab.h>

#include "ice1712.h"
#include "envy24ht.h"
#include "wtm.h"
#include "stac946x.h"

struct wtm_spec { … };


/*
 *	2*ADC 6*DAC no1 ringbuffer r/w on i2c bus
 */
static inline void stac9460_put(struct snd_ice1712 *ice, int reg,
						unsigned char val)
{ … }

static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
{ … }

/*
 *	2*ADC 2*DAC no2 ringbuffer r/w on i2c bus
 */
static inline void stac9460_2_put(struct snd_ice1712 *ice, int reg,
						unsigned char val)
{ … }

static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg)
{ … }


/*
 *	DAC mute control
 */
static void stac9460_dac_mute_all(struct snd_ice1712 *ice, unsigned char mute,
				unsigned short int *change_mask)
{ … }



#define stac9460_dac_mute_info …

static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }

static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }

/*
 * 	DAC volume attenuation mixer control
 */
static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_info *uinfo)
{ … }

static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }

static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }

/*
 * ADC mute control
 */
#define stac9460_adc_mute_info …

static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }

static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }

/*
 *ADC gain mixer control
 */
static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_info *uinfo)
{ … }

static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }

static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }

/*
 * MIC / LINE switch fonction
 */
static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_info *uinfo)
{ … }


static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }

static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{ … }


/*
 * Handler for setting correct codec rate - called when rate change is detected
 */
static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
{ … }


/*Limits value in dB for fader*/
static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);

/*
 * Control tabs
 */
static const struct snd_kcontrol_new stac9640_controls[] = …;



/*INIT*/
static int wtm_add_controls(struct snd_ice1712 *ice)
{ … }

static int wtm_init(struct snd_ice1712 *ice)
{ … }


static const unsigned char wtm_eeprom[] = …;


/*entry point*/
struct snd_ice1712_card_info snd_vt1724_wtm_cards[] = …;