// SPDX-License-Identifier: GPL-2.0-or-later /* * ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381 * AD and DA converters * * Copyright (c) 2000-2004 Jaroslav Kysela <[email protected]>, * Takashi Iwai <[email protected]> */ #include <linux/io.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/module.h> #include <sound/core.h> #include <sound/control.h> #include <sound/tlv.h> #include <sound/ak4xxx-adda.h> #include <sound/info.h> MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; /* write the given register and save the data to the cache */ void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val) { … } EXPORT_SYMBOL(…); /* reset procedure for AK4524 and AK4528 */ static void ak4524_reset(struct snd_akm4xxx *ak, int state) { … } /* reset procedure for AK4355 and AK4358 */ static void ak435X_reset(struct snd_akm4xxx *ak, int state) { … } /* reset procedure for AK4381 */ static void ak4381_reset(struct snd_akm4xxx *ak, int state) { … } /* * reset the AKM codecs * @state: 1 = reset codec, 0 = restore the registers * * assert the reset operation and restores the register values to the chips. */ void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state) { … } EXPORT_SYMBOL(…); /* * Volume conversion table for non-linear volumes * from -63.5dB (mute) to 0dB step 0.5dB * * Used for AK4524/AK4620 input/ouput attenuation, AK4528, and * AK5365 input attenuation */ static const unsigned char vol_cvt_datt[128] = …; /* * dB tables */ static const DECLARE_TLV_DB_SCALE(db_scale_vol_datt, -6350, 50, 1); static const DECLARE_TLV_DB_SCALE(db_scale_8bit, -12750, 50, 1); static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -6350, 50, 1); static const DECLARE_TLV_DB_LINEAR(db_scale_linear, TLV_DB_GAIN_MUTE, 0); /* * initialize all the ak4xxx chips */ void snd_akm4xxx_init(struct snd_akm4xxx *ak) { … } EXPORT_SYMBOL(…); /* * Mixer callbacks */ #define AK_IPGA … #define AK_VOL_CVT … #define AK_NEEDSMSB … #define AK_INVERT … #define AK_GET_CHIP(val) … #define AK_GET_ADDR(val) … #define AK_GET_SHIFT(val) … #define AK_GET_VOL_CVT(val) … #define AK_GET_IPGA(val) … #define AK_GET_NEEDSMSB(val) … #define AK_GET_INVERT(val) … #define AK_GET_MASK(val) … #define AK_COMPOSE(chip,addr,shift,mask) … static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_akm4xxx_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr, unsigned char nval) { … } static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define ak4xxx_switch_info … static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define AK5365_NUM_INPUTS … static int ak4xxx_capture_num_inputs(struct snd_akm4xxx *ak, int mixer_ch) { … } static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int ak4xxx_capture_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* * build AK4xxx controls */ static int build_dac_controls(struct snd_akm4xxx *ak) { … } static int build_adc_controls(struct snd_akm4xxx *ak) { … } static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs) { … } static void proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { … } static int proc_init(struct snd_akm4xxx *ak) { … } int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak) { … } EXPORT_SYMBOL(…);
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