- 根目录:
- sound
- soc
- codecs
- wm8400.c
/*
* wm8400.c -- WM8400 ALSA Soc Audio driver
*
* Copyright 2008-11 Wolfson Microelectronics PLC.
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/mfd/wm8400-audio.h>
#include <linux/mfd/wm8400-private.h>
#include <linux/mfd/core.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "wm8400.h"
static struct regulator_bulk_data power[] = {
{
.supply = "I2S1VDD",
},
{
.supply = "I2S2VDD",
},
{
.supply = "DCVDD",
},
{
.supply = "AVDD",
},
{
.supply = "FLLVDD",
},
{
.supply = "HPVDD",
},
{
.supply = "SPKVDD",
},
};
/* codec private data */
struct wm8400_priv {
struct snd_soc_codec *codec;
struct wm8400 *wm8400;
u16 fake_register;
unsigned int sysclk;
unsigned int pcmclk;
struct work_struct work;
int fll_in, fll_out;
};
static void wm8400_codec_reset(struct snd_soc_codec *codec)
{
struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
wm8400_reset_codec_reg_cache(wm8400->wm8400);
}
static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0);
static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int reg = mc->reg;
int ret;
u16 val;
ret = snd_soc_put_volsw(kcontrol, ucontrol);
if (ret < 0)
return ret;
/* now hit the volume update bits (always bit 8) */
val = snd_soc_read(codec, reg);
return snd_soc_write(codec, reg, val | 0x0100);
}
#define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \
snd_soc_get_volsw, wm8400_outpga_put_volsw_vu, tlv_array)
static const char *wm8400_digital_sidetone[] =
{"None", "Left ADC", "Right ADC", "Reserved"};
static SOC_ENUM_SINGLE_DECL(wm8400_left_digital_sidetone_enum,
WM8400_DIGITAL_SIDE_TONE,
WM8400_ADC_TO_DACL_SHIFT,
wm8400_digital_sidetone);
static SOC_ENUM_SINGLE_DECL(wm8400_right_digital_sidetone_enum,
WM8400_DIGITAL_SIDE_TONE,
WM8400_ADC_TO_DACR_SHIFT,
wm8400_digital_sidetone);
static const char *wm8400_adcmode[] =
{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
static SOC_ENUM_SINGLE_DECL(wm8400_right_adcmode_enum,
WM8400_ADC_CTRL,
WM8400_ADC_HPF_CUT_SHIFT,
wm8400_adcmode);
static const struct snd_kcontrol_new wm8400_snd_controls[] = {
/* INMIXL */
SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
1, 0),
SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
1, 0),
/* INMIXR */
SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
1, 0),
SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
1, 0),
/* LOMIX */
SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
/* ROMIX */
SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
/* LOUT */
WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
/* ROUT */
WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
/* LOPGA */
WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
WM8400_LOPGAZC_SHIFT, 1, 0),
/* ROPGA */
WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
WM8400_ROPGAZC_SHIFT, 1, 0),
SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
WM8400_LONMUTE_SHIFT, 1, 0),
SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
WM8400_LOPMUTE_SHIFT, 1, 0),
SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
WM8400_LOATTN_SHIFT, 1, 0),
SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
WM8400_RONMUTE_SHIFT, 1, 0),
SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
WM8400_ROPMUTE_SHIFT, 1, 0),
SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
WM8400_ROATTN_SHIFT, 1, 0),
SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
WM8400_OUT3MUTE_SHIFT, 1, 0),
SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
WM8400_OUT3ATTN_SHIFT, 1, 0),
SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
WM8400_OUT4MUTE_SHIFT, 1, 0),
SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
WM8400_OUT4ATTN_SHIFT, 1, 0),
SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
WM8400_CDMODE_SHIFT, 1, 0),
SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
WM8400_DCGAIN_SHIFT, 6, 0),
SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
WM8400_ACGAIN_SHIFT, 6, 0),
WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
127, 0, out_dac_tlv),
WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
127, 0, out_dac_tlv),
SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
WM8400_LEFT_ADC_DIGITAL_VOLUME,
WM8400_ADCL_VOL_SHIFT,
WM8400_ADCL_VOL_MASK,
0,
in_adc_tlv),
WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
WM8400_RIGHT_ADC_DIGITAL_VOLUME,
WM8400_ADCR_VOL_SHIFT,
WM8400_ADCR_VOL_MASK,
0,
in_adc_tlv),
WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
WM8400_LIN12VOL_SHIFT,
WM8400_LIN12VOL_MASK,
0,
in_pga_tlv),
SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
WM8400_LI12ZC_SHIFT, 1, 0),
SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
WM8400_LI12MUTE_SHIFT, 1, 0),
WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
WM8400_LIN34VOL_SHIFT,
WM8400_LIN34VOL_MASK,
0,
in_pga_tlv),
SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
WM8400_LI34ZC_SHIFT, 1, 0),
SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
WM8400_LI34MUTE_SHIFT, 1, 0),
WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
WM8400_RIN12VOL_SHIFT,
WM8400_RIN12VOL_MASK,
0,
in_pga_tlv),
SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
WM8400_RI12ZC_SHIFT, 1, 0),
SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
WM8400_RI12MUTE_SHIFT, 1, 0),
WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
WM8400_RIN34VOL_SHIFT,
WM8400_RIN34VOL_MASK,
0,
in_pga_tlv),
SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
WM8400_RI34ZC_SHIFT, 1, 0),
SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
WM8400_RI34MUTE_SHIFT, 1, 0),
};
/*
* _DAPM_ Controls
*/
static int outmixer_event (struct snd_soc_dapm_widget *w,
struct snd_kcontrol * kcontrol, int event)
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
u32 reg_shift = mc->shift;
int ret = 0;
u16 reg;
switch (reg_shift) {
case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
reg = snd_soc_read(w->codec, WM8400_OUTPUT_MIXER1);
if (reg & WM8400_LDLO) {
printk(KERN_WARNING
"Cannot set as Output Mixer 1 LDLO Set\n");
ret = -1;
}
break;
case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
reg = snd_soc_read(w->codec, WM8400_OUTPUT_MIXER2);
if (reg & WM8400_RDRO) {
printk(KERN_WARNING
"Cannot set as Output Mixer 2 RDRO Set\n");
ret = -1;
}
break;
case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
reg = snd_soc_read(w->codec, WM8400_SPEAKER_MIXER);
if (reg & WM8400_LDSPK) {
printk(KERN_WARNING
"Cannot set as Speaker Mixer LDSPK Set\n");
ret = -1;
}
break;
case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
reg = snd_soc_read(w->codec, WM8400_SPEAKER_MIXER);
if (reg & WM8400_RDSPK) {
printk(KERN_WARNING
"Cannot set as Speaker Mixer RDSPK Set\n");
ret = -1;
}
break;
}
return ret;
}
/* INMIX dB values */
static const unsigned int in_mix_tlv[] = {
TLV_DB_RANGE_HEAD(1),
0,7, TLV_DB_SCALE_ITEM(-1200, 600, 0),
};
/* Left In PGA Connections */
static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
};
static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
};
/* Right In PGA Connections */
static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
};
static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
};
/* INMIXL */
static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
7, 0, in_mix_tlv),
SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
1, 0),
SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
1, 0),
};
/* INMIXR */
static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
7, 0, in_mix_tlv),
SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
1, 0),
SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
1, 0),
};
/* AINLMUX */
static const char *wm8400_ainlmux[] =
{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
static SOC_ENUM_SINGLE_DECL(wm8400_ainlmux_enum,
WM8400_INPUT_MIXER1,
WM8400_AINLMODE_SHIFT,
wm8400_ainlmux);
static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
/* DIFFINL */
/* AINRMUX */
static const char *wm8400_ainrmux[] =
{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
static SOC_ENUM_SINGLE_DECL(wm8400_ainrmux_enum,
WM8400_INPUT_MIXER1,
WM8400_AINRMODE_SHIFT,
wm8400_ainrmux);
static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
/* RXVOICE */
static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
};
/* LOMIX */
static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
WM8400_LRBLO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
WM8400_LLBLO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
WM8400_LRI3LO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
WM8400_LLI3LO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
WM8400_LR12LO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
WM8400_LL12LO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
WM8400_LDLO_SHIFT, 1, 0),
};
/* ROMIX */
static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
WM8400_RLBRO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
WM8400_RRBRO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
WM8400_RLI3RO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
WM8400_RRI3RO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
WM8400_RL12RO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
WM8400_RR12RO_SHIFT, 1, 0),
SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
WM8400_RDRO_SHIFT, 1, 0),
};
/* LONMIX */
static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
WM8400_LLOPGALON_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
WM8400_LROPGALON_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
WM8400_LOPLON_SHIFT, 1, 0),
};
/* LOPMIX */
static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
WM8400_LR12LOP_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
WM8400_LL12LOP_SHIFT, 1, 0),
SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
WM8400_LLOPGALOP_SHIFT, 1, 0),
};
/* RONMIX */
static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
WM8400_RROPGARON_SHIFT, 1, 0),
SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
WM8400_RLOPGARON_SHIFT, 1, 0),
SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
WM8400_ROPRON_SHIFT, 1, 0),
};
/* ROPMIX */
static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
WM8400_RL12ROP_SHIFT, 1, 0),
SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
WM8400_RR12ROP_SHIFT, 1, 0),
SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
WM8400_RROPGAROP_SHIFT, 1, 0),
};
/* OUT3MIX */
static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
WM8400_LI4O3_SHIFT, 1, 0),
SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
WM8400_LPGAO3_SHIFT, 1, 0),
};
/* OUT4MIX */
static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
WM8400_RPGAO4_SHIFT, 1, 0),
SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
WM8400_RI4O4_SHIFT, 1, 0),
};
/* SPKMIX */
static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
WM8400_LI2SPK_SHIFT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
WM8400_LB2SPK_SHIFT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
WM8400_LOPGASPK_SHIFT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
WM8400_LDSPK_SHIFT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
WM8400_RDSPK_SHIFT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
WM8400_ROPGASPK_SHIFT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
WM8400_RL12ROP_SHIFT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
WM8400_RI2SPK_SHIFT, 1, 0),
};
static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
/* Input Side */
/* Input Lines */
SND_SOC_DAPM_INPUT("LIN1"),
SND_SOC_DAPM_INPUT("LIN2"),
SND_SOC_DAPM_INPUT("LIN3"),
SND_SOC_DAPM_INPUT("LIN4/RXN"),
SND_SOC_DAPM_INPUT("RIN3"),
SND_SOC_DAPM_INPUT("RIN4/RXP"),
SND_SOC_DAPM_INPUT("RIN1"),
SND_SOC_DAPM_INPUT("RIN2"),
SND_SOC_DAPM_INPUT("Internal ADC Source"),
/* DACs */
SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
WM8400_ADCL_ENA_SHIFT, 0),
SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
WM8400_ADCR_ENA_SHIFT, 0),
/* Input PGAs */
SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
WM8400_LIN12_ENA_SHIFT,
0, &wm8400_dapm_lin12_pga_controls[0],
ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
WM8400_LIN34_ENA_SHIFT,
0, &wm8400_dapm_lin34_pga_controls[0],
ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
WM8400_RIN12_ENA_SHIFT,
0, &wm8400_dapm_rin12_pga_controls[0],
ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
WM8400_RIN34_ENA_SHIFT,
0, &wm8400_dapm_rin34_pga_controls[0],
ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
SND_SOC_DAPM_SUPPLY("INL", WM8400_POWER_MANAGEMENT_2, WM8400_AINL_ENA_SHIFT,
0, NULL, 0),
SND_SOC_DAPM_SUPPLY("INR", WM8400_POWER_MANAGEMENT_2, WM8400_AINR_ENA_SHIFT,
0, NULL, 0),
/* INMIXL */
SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
&wm8400_dapm_inmixl_controls[0],
ARRAY_SIZE(wm8400_dapm_inmixl_controls)),
/* AINLMUX */
SND_SOC_DAPM_MUX("AILNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainlmux_controls),
/* INMIXR */
SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
&wm8400_dapm_inmixr_controls[0],
ARRAY_SIZE(wm8400_dapm_inmixr_controls)),
/* AINRMUX */
SND_SOC_DAPM_MUX("AIRNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainrmux_controls),
/* Output Side */
/* DACs */
SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
WM8400_DACL_ENA_SHIFT, 0),
SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
WM8400_DACR_ENA_SHIFT, 0),
/* LOMIX */
SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
WM8400_LOMIX_ENA_SHIFT,
0, &wm8400_dapm_lomix_controls[0],
ARRAY_SIZE(wm8400_dapm_lomix_controls),
outmixer_event, SND_SOC_DAPM_PRE_REG),
/* LONMIX */
SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
0, &wm8400_dapm_lonmix_controls[0],
ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
/* LOPMIX */
SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
0, &wm8400_dapm_lopmix_controls[0],
ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
/* OUT3MIX */
SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
0, &wm8400_dapm_out3mix_controls[0],
ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
/* SPKMIX */
SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
0, &wm8400_dapm_spkmix_controls[0],
ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
SND_SOC_DAPM_PRE_REG),
/* OUT4MIX */
SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
0, &wm8400_dapm_out4mix_controls[0],
ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
/* ROPMIX */
SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
0, &wm8400_dapm_ropmix_controls[0],
ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
/* RONMIX */
SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
0, &wm8400_dapm_ronmix_controls[0],
ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
/* ROMIX */
SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
WM8400_ROMIX_ENA_SHIFT,
0, &wm8400_dapm_romix_controls[0],
ARRAY_SIZE(wm8400_dapm_romix_controls),
outmixer_event, SND_SOC_DAPM_PRE_REG),
/* LOUT PGA */
SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
0, NULL, 0),
/* ROUT PGA */
SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
0, NULL, 0),
/* LOPGA */
SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
NULL, 0),
/* ROPGA */
SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
NULL, 0),
/* MICBIAS */
SND_SOC_DAPM_SUPPLY("MICBIAS", WM8400_POWER_MANAGEMENT_1,
WM8400_MIC1BIAS_ENA_SHIFT, 0, NULL, 0),
SND_SOC_DAPM_OUTPUT("LON"),
SND_SOC_DAPM_OUTPUT("LOP"),
SND_SOC_DAPM_OUTPUT("OUT3"),
SND_SOC_DAPM_OUTPUT("LOUT"),
SND_SOC_DAPM_OUTPUT("SPKN"),
SND_SOC_DAPM_OUTPUT("SPKP"),
SND_SOC_DAPM_OUTPUT("ROUT"),
SND_SOC_DAPM_OUTPUT("OUT4"),
SND_SOC_DAPM_OUTPUT("ROP"),
SND_SOC_DAPM_OUTPUT("RON"),
SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
};
static const struct snd_soc_dapm_route wm8400_dapm_routes[] = {
/* Make DACs turn on when playing even if not mixed into any outputs */
{"Internal DAC Sink", NULL, "Left DAC"},
{"Internal DAC Sink", NULL, "Right DAC"},
/* Make ADCs turn on when recording
* even if not mixed from any inputs */
{"Left ADC", NULL, "Internal ADC Source"},
{"Right ADC", NULL, "Internal ADC Source"},
/* Input Side */
/* LIN12 PGA */
{"LIN12 PGA", "LIN1 Switch", "LIN1"},
{"LIN12 PGA", "LIN2 Switch", "LIN2"},
/* LIN34 PGA */
{"LIN34 PGA", "LIN3 Switch", "LIN3"},
{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
/* INMIXL */
{"INMIXL", NULL, "INL"},
{"INMIXL", "Record Left Volume", "LOMIX"},
{"INMIXL", "LIN2 Volume", "LIN2"},
{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
/* AILNMUX */
{"AILNMUX", NULL, "INL"},
{"AILNMUX", "INMIXL Mix", "INMIXL"},
{"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
{"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
{"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
{"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
/* ADC */
{"Left ADC", NULL, "AILNMUX"},
/* RIN12 PGA */
{"RIN12 PGA", "RIN1 Switch", "RIN1"},
{"RIN12 PGA", "RIN2 Switch", "RIN2"},
/* RIN34 PGA */
{"RIN34 PGA", "RIN3 Switch", "RIN3"},
{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
/* INMIXR */
{"INMIXR", NULL, "INR"},
{"INMIXR", "Record Right Volume", "ROMIX"},
{"INMIXR", "RIN2 Volume", "RIN2"},
{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
/* AIRNMUX */
{"AIRNMUX", NULL, "INR"},
{"AIRNMUX", "INMIXR Mix", "INMIXR"},
{"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
{"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
{"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
{"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
/* ADC */
{"Right ADC", NULL, "AIRNMUX"},
/* LOMIX */
{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
{"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
{"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
/* ROMIX */
{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
{"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
{"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
/* SPKMIX */
{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
{"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
{"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
{"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
/* LONMIX */
{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
/* LOPMIX */
{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
/* OUT3MIX */
{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
/* OUT4MIX */
{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
/* RONMIX */
{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
/* ROPMIX */
{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
/* Out Mixer PGAs */
{"LOPGA", NULL, "LOMIX"},
{"ROPGA", NULL, "ROMIX"},
{"LOUT PGA", NULL, "LOMIX"},
{"ROUT PGA", NULL, "ROMIX"},
/* Output Pins */
{"LON", NULL, "LONMIX"},
{"LOP", NULL, "LOPMIX"},
{"OUT3", NULL, "OUT3MIX"},
{"LOUT", NULL, "LOUT PGA"},
{"SPKN", NULL, "SPKMIX"},
{"ROUT", NULL, "ROUT PGA"},
{"OUT4", NULL, "OUT4MIX"},
{"ROP", NULL, "ROPMIX"},
{"RON", NULL, "RONMIX"},
};
/*
* Clock after FLL and dividers
*/
static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
wm8400->sysclk = freq;
return 0;
}
struct fll_factors {
u16 n;
u16 k;
u16 outdiv;
u16 fratio;
u16 freq_ref;
};
#define FIXED_FLL_SIZE ((1 << 16) * 10)
static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
unsigned int Fref, unsigned int Fout)
{
u64 Kpart;
unsigned int K, Nmod, target;
factors->outdiv = 2;
while (Fout * factors->outdiv < 90000000 ||
Fout * factors->outdiv > 100000000) {
factors->outdiv *= 2;
if (factors->outdiv > 32) {
dev_err(wm8400->wm8400->dev,
"Unsupported FLL output frequency %uHz\n",
Fout);
return -EINVAL;
}
}
target = Fout * factors->outdiv;
factors->outdiv = factors->outdiv >> 2;
if (Fref < 48000)
factors->freq_ref = 1;
else
factors->freq_ref = 0;
if (Fref < 1000000)
factors->fratio = 9;
else
factors->fratio = 0;
/* Ensure we have a fractional part */
do {
if (Fref < 1000000)
factors->fratio--;
else
factors->fratio++;
if (factors->fratio < 1 || factors->fratio > 8) {
dev_err(wm8400->wm8400->dev,
"Unable to calculate FRATIO\n");
return -EINVAL;
}
factors->n = target / (Fref * factors->fratio);
Nmod = target % (Fref * factors->fratio);
} while (Nmod == 0);
/* Calculate fractional part - scale up so we can round. */
Kpart = FIXED_FLL_SIZE * (long long)Nmod;
do_div(Kpart, (Fref * factors->fratio));
K = Kpart & 0xFFFFFFFF;
if ((K % 10) >= 5)
K += 5;
/* Move down to proper range now rounding is done */
factors->k = K / 10;
dev_dbg(wm8400->wm8400->dev,
"FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
Fref, Fout,
factors->n, factors->k, factors->fratio, factors->outdiv);
return 0;
}
static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
int source, unsigned int freq_in,
unsigned int freq_out)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
struct fll_factors factors;
int ret;
u16 reg;
if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
return 0;
if (freq_out) {
ret = fll_factors(wm8400, &factors, freq_in, freq_out);
if (ret != 0)
return ret;
} else {
/* Bodge GCC 4.4.0 uninitialised variable warning - it
* doesn't seem capable of working out that we exit if
* freq_out is 0 before any of the uses. */
memset(&factors, 0, sizeof(factors));
}
wm8400->fll_out = freq_out;
wm8400->fll_in = freq_in;
/* We *must* disable the FLL before any changes */
reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_2);
reg &= ~WM8400_FLL_ENA;
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_2, reg);
reg = snd_soc_read(codec, WM8400_FLL_CONTROL_1);
reg &= ~WM8400_FLL_OSC_ENA;
snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg);
if (!freq_out)
return 0;
reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
reg |= WM8400_FLL_FRAC | factors.fratio;
reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg);
snd_soc_write(codec, WM8400_FLL_CONTROL_2, factors.k);
snd_soc_write(codec, WM8400_FLL_CONTROL_3, factors.n);
reg = snd_soc_read(codec, WM8400_FLL_CONTROL_4);
reg &= ~WM8400_FLL_OUTDIV_MASK;
reg |= factors.outdiv;
snd_soc_write(codec, WM8400_FLL_CONTROL_4, reg);
return 0;
}
/*
* Sets ADC and Voice DAC format.
*/
static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 audio1, audio3;
audio1 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_1);
audio3 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_3);
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
audio3 &= ~WM8400_AIF_MSTR1;
break;
case SND_SOC_DAIFMT_CBM_CFM:
audio3 |= WM8400_AIF_MSTR1;
break;
default:
return -EINVAL;
}
audio1 &= ~WM8400_AIF_FMT_MASK;
/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
audio1 |= WM8400_AIF_FMT_I2S;
audio1 &= ~WM8400_AIF_LRCLK_INV;
break;
case SND_SOC_DAIFMT_RIGHT_J:
audio1 |= WM8400_AIF_FMT_RIGHTJ;
audio1 &= ~WM8400_AIF_LRCLK_INV;
break;
case SND_SOC_DAIFMT_LEFT_J:
audio1 |= WM8400_AIF_FMT_LEFTJ;
audio1 &= ~WM8400_AIF_LRCLK_INV;
break;
case SND_SOC_DAIFMT_DSP_A:
audio1 |= WM8400_AIF_FMT_DSP;
audio1 &= ~WM8400_AIF_LRCLK_INV;
break;
case SND_SOC_DAIFMT_DSP_B:
audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
break;
default:
return -EINVAL;
}
snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
snd_soc_write(codec, WM8400_AUDIO_INTERFACE_3, audio3);
return 0;
}
static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
int div_id, int div)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 reg;
switch (div_id) {
case WM8400_MCLK_DIV:
reg = snd_soc_read(codec, WM8400_CLOCKING_2) &
~WM8400_MCLK_DIV_MASK;
snd_soc_write(codec, WM8400_CLOCKING_2, reg | div);
break;
case WM8400_DACCLK_DIV:
reg = snd_soc_read(codec, WM8400_CLOCKING_2) &
~WM8400_DAC_CLKDIV_MASK;
snd_soc_write(codec, WM8400_CLOCKING_2, reg | div);
break;
case WM8400_ADCCLK_DIV:
reg = snd_soc_read(codec, WM8400_CLOCKING_2) &
~WM8400_ADC_CLKDIV_MASK;
snd_soc_write(codec, WM8400_CLOCKING_2, reg | div);
break;
case WM8400_BCLK_DIV:
reg = snd_soc_read(codec, WM8400_CLOCKING_1) &
~WM8400_BCLK_DIV_MASK;
snd_soc_write(codec, WM8400_CLOCKING_1, reg | div);
break;
default:
return -EINVAL;
}
return 0;
}
/*
* Set PCM DAI bit size and sample rate.
*/
static int wm8400_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
u16 audio1 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_1);
audio1 &= ~WM8400_AIF_WL_MASK;
/* bit size */
switch (params_width(params)) {
case 16:
break;
case 20:
audio1 |= WM8400_AIF_WL_20BITS;
break;
case 24:
audio1 |= WM8400_AIF_WL_24BITS;
break;
case 32:
audio1 |= WM8400_AIF_WL_32BITS;
break;
}
snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
return 0;
}
static int wm8400_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
u16 val = snd_soc_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
if (mute)
snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
else
snd_soc_write(codec, WM8400_DAC_CTRL, val);
return 0;
}
/* TODO: set bias for best performance at standby */
static int wm8400_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
u16 val;
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* VMID=2*50k */
val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) &
~WM8400_VMID_MODE_MASK;
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
ret = regulator_bulk_enable(ARRAY_SIZE(power),
&power[0]);
if (ret != 0) {
dev_err(wm8400->wm8400->dev,
"Failed to enable regulators: %d\n",
ret);
return ret;
}
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1,
WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
WM8400_BUFDCOPEN | WM8400_POBCTRL);
msleep(50);
/* Enable VREF & VMID at 2x50k */
val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
val |= 0x2 | WM8400_VREF_ENA;
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
/* Enable BUFIOEN */
snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
WM8400_BUFDCOPEN | WM8400_POBCTRL |
WM8400_BUFIOEN);
/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
}
/* VMID=2*300k */
val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) &
~WM8400_VMID_MODE_MASK;
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
break;
case SND_SOC_BIAS_OFF:
/* Enable POBCTRL and SOFT_ST */
snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
WM8400_POBCTRL | WM8400_BUFIOEN);
/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
WM8400_BUFDCOPEN | WM8400_POBCTRL |
WM8400_BUFIOEN);
/* mute DAC */
val = snd_soc_read(codec, WM8400_DAC_CTRL);
snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
/* Enable any disabled outputs */
val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
WM8400_OUT4_ENA | WM8400_LOUT_ENA |
WM8400_ROUT_ENA;
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
/* Disable VMID */
val &= ~WM8400_VMID_MODE_MASK;
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
msleep(300);
/* Enable all output discharge bits */
snd_soc_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
WM8400_DIS_ROUT);
/* Disable VREF */
val &= ~WM8400_VREF_ENA;
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
snd_soc_write(codec, WM8400_ANTIPOP2, 0x0);
ret = regulator_bulk_disable(ARRAY_SIZE(power),
&power[0]);
if (ret != 0)
return ret;
break;
}
codec->dapm.bias_level = level;
return 0;
}
#define WM8400_RATES SNDRV_PCM_RATE_8000_96000
#define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE)
static const struct snd_soc_dai_ops wm8400_dai_ops = {
.hw_params = wm8400_hw_params,
.digital_mute = wm8400_mute,
.set_fmt = wm8400_set_dai_fmt,
.set_clkdiv = wm8400_set_dai_clkdiv,
.set_sysclk = wm8400_set_dai_sysclk,
.set_pll = wm8400_set_dai_pll,
};
/*
* The WM8400 supports 2 different and mutually exclusive DAI
* configurations.
*
* 1. ADC/DAC on Primary Interface
* 2. ADC on Primary Interface/DAC on secondary
*/
static struct snd_soc_dai_driver wm8400_dai = {
/* ADC/DAC on primary */
.name = "wm8400-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = WM8400_RATES,
.formats = WM8400_FORMATS,
},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = WM8400_RATES,
.formats = WM8400_FORMATS,
},
.ops = &wm8400_dai_ops,
};
static int wm8400_suspend(struct snd_soc_codec *codec)
{
wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int wm8400_resume(struct snd_soc_codec *codec)
{
wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
static void wm8400_probe_deferred(struct work_struct *work)
{
struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
work);
struct snd_soc_codec *codec = priv->codec;
/* charge output caps */
wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
}
static int wm8400_codec_probe(struct snd_soc_codec *codec)
{
struct wm8400 *wm8400 = dev_get_platdata(codec->dev);
struct wm8400_priv *priv;
int ret;
u16 reg;
priv = devm_kzalloc(codec->dev, sizeof(struct wm8400_priv),
GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;
snd_soc_codec_set_drvdata(codec, priv);
priv->wm8400 = wm8400;
priv->codec = codec;
ret = devm_regulator_bulk_get(wm8400->dev,
ARRAY_SIZE(power), &power[0]);
if (ret != 0) {
dev_err(codec->dev, "Failed to get regulators: %d\n", ret);
return ret;
}
INIT_WORK(&priv->work, wm8400_probe_deferred);
wm8400_codec_reset(codec);
reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
/* Latch volume update bits */
reg = snd_soc_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
snd_soc_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
reg & WM8400_IPVU);
reg = snd_soc_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
snd_soc_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
reg & WM8400_IPVU);
snd_soc_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
snd_soc_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
if (!schedule_work(&priv->work))
return -EINVAL;
return 0;
}
static int wm8400_codec_remove(struct snd_soc_codec *codec)
{
u16 reg;
reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1,
reg & (~WM8400_CODEC_ENA));
return 0;
}
static struct regmap *wm8400_get_regmap(struct device *dev)
{
struct wm8400 *wm8400 = dev_get_platdata(dev);
return wm8400->regmap;
}
static struct snd_soc_codec_driver soc_codec_dev_wm8400 = {
.probe = wm8400_codec_probe,
.remove = wm8400_codec_remove,
.suspend = wm8400_suspend,
.resume = wm8400_resume,
.get_regmap = wm8400_get_regmap,
.set_bias_level = wm8400_set_bias_level,
.controls = wm8400_snd_controls,
.num_controls = ARRAY_SIZE(wm8400_snd_controls),
.dapm_widgets = wm8400_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm8400_dapm_widgets),
.dapm_routes = wm8400_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(wm8400_dapm_routes),
};
static int wm8400_probe(struct platform_device *pdev)
{
return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400,
&wm8400_dai, 1);
}
static int wm8400_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
static struct platform_driver wm8400_codec_driver = {
.driver = {
.name = "wm8400-codec",
.owner = THIS_MODULE,
},
.probe = wm8400_probe,
.remove = wm8400_remove,
};
module_platform_driver(wm8400_codec_driver);
MODULE_DESCRIPTION("ASoC WM8400 driver");
MODULE_AUTHOR("Mark Brown");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:wm8400-codec");