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linux/sound/soc/codecs/wm8400.c
Mark Brown 8aa2df5308 ASoC: Bodge around GCC 4.4.0 flow analysis bug in GCC 4.4.0 
GCC 4.4.0 doesn't appear to be able to spot that we don't apply any FLL
configuration if the output frequency is zero.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2009-07-17 21:53:49 +01:00

1605 lines
46 KiB
C
Raw Blame History

/*
* wm8400.c -- WM8400 ALSA Soc Audio driver
*
* Copyright 2008, 2009 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/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 <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "wm8400.h"
/* Fake register for internal state */
#define WM8400_INTDRIVBITS (WM8400_REGISTER_COUNT + 1)
#define WM8400_INMIXL_PWR 0
#define WM8400_AINLMUX_PWR 1
#define WM8400_INMIXR_PWR 2
#define WM8400_AINRMUX_PWR 3
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 inline unsigned int wm8400_read(struct snd_soc_codec *codec,
unsigned int reg)
{
struct wm8400_priv *wm8400 = codec->private_data;
if (reg == WM8400_INTDRIVBITS)
return wm8400->fake_register;
else
return wm8400_reg_read(wm8400->wm8400, reg);
}
/*
* write to the wm8400 register space
*/
static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
struct wm8400_priv *wm8400 = codec->private_data;
if (reg == WM8400_INTDRIVBITS) {
wm8400->fake_register = value;
return 0;
} else
return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value);
}
static void wm8400_codec_reset(struct snd_soc_codec *codec)
{
struct wm8400_priv *wm8400 = codec->private_data;
wm8400_reset_codec_reg_cache(wm8400->wm8400);
}
static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, -2100, 0);
static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(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 = wm8400_read(codec, reg);
return wm8400_write(codec, reg, val | 0x0100);
}
#define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
SNDRV_CTL_ELEM_ACCESS_READWRITE,\
.tlv.p = (tlv_array), \
.info = snd_soc_info_volsw, \
.get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \
.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
static const char *wm8400_digital_sidetone[] =
{"None", "Left ADC", "Right ADC", "Reserved"};
static const struct soc_enum wm8400_left_digital_sidetone_enum =
SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone);
static const struct soc_enum wm8400_right_digital_sidetone_enum =
SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone);
static const char *wm8400_adcmode[] =
{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
static const struct soc_enum wm8400_right_adcmode_enum =
SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, 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),
};
/* add non dapm controls */
static int wm8400_add_controls(struct snd_soc_codec *codec)
{
return snd_soc_add_controls(codec, wm8400_snd_controls,
ARRAY_SIZE(wm8400_snd_controls));
}
/*
* _DAPM_ Controls
*/
static int inmixer_event (struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
u16 reg, fakepower;
reg = wm8400_read(w->codec, WM8400_POWER_MANAGEMENT_2);
fakepower = wm8400_read(w->codec, WM8400_INTDRIVBITS);
if (fakepower & ((1 << WM8400_INMIXL_PWR) |
(1 << WM8400_AINLMUX_PWR))) {
reg |= WM8400_AINL_ENA;
} else {
reg &= ~WM8400_AINL_ENA;
}
if (fakepower & ((1 << WM8400_INMIXR_PWR) |
(1 << WM8400_AINRMUX_PWR))) {
reg |= WM8400_AINR_ENA;
} else {
reg &= ~WM8400_AINL_ENA;
}
wm8400_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg);
return 0;
}
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 = wm8400_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 = wm8400_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 = wm8400_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 = wm8400_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_LINEAR_ITEM(-1200, 600),
};
/* 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 const struct soc_enum wm8400_ainlmux_enum =
SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT,
ARRAY_SIZE(wm8400_ainlmux), 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 const struct soc_enum wm8400_ainrmux_enum =
SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT,
ARRAY_SIZE(wm8400_ainrmux), 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)),
/* INMIXL */
SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0,
&wm8400_dapm_inmixl_controls[0],
ARRAY_SIZE(wm8400_dapm_inmixl_controls),
inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* AINLMUX */
SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0,
&wm8400_dapm_ainlmux_controls, inmixer_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* INMIXR */
SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0,
&wm8400_dapm_inmixr_controls[0],
ARRAY_SIZE(wm8400_dapm_inmixr_controls),
inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* AINRMUX */
SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0,
&wm8400_dapm_ainrmux_controls, inmixer_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* 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_MICBIAS("MICBIAS", WM8400_POWER_MANAGEMENT_1,
WM8400_MIC1BIAS_ENA_SHIFT, 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 audio_map[] = {
/* 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", "Record Left Volume", "LOMIX"},
{"INMIXL", "LIN2 Volume", "LIN2"},
{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
/* AILNMUX */
{"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"},
/* INMIXL */
{"INMIXR", "Record Right Volume", "ROMIX"},
{"INMIXR", "RIN2 Volume", "RIN2"},
{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
/* AIRNMUX */
{"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"},
};
static int wm8400_add_widgets(struct snd_soc_codec *codec)
{
snd_soc_dapm_new_controls(codec, wm8400_dapm_widgets,
ARRAY_SIZE(wm8400_dapm_widgets));
snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
snd_soc_dapm_new_widgets(codec);
return 0;
}
/*
* 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 = codec->private_data;
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,
unsigned int freq_in, unsigned int freq_out)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct wm8400_priv *wm8400 = codec->private_data;
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 = wm8400_read(codec, WM8400_POWER_MANAGEMENT_2);
reg &= ~WM8400_FLL_ENA;
wm8400_write(codec, WM8400_POWER_MANAGEMENT_2, reg);
reg = wm8400_read(codec, WM8400_FLL_CONTROL_1);
reg &= ~WM8400_FLL_OSC_ENA;
wm8400_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;
wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
wm8400_write(codec, WM8400_FLL_CONTROL_2, factors.k);
wm8400_write(codec, WM8400_FLL_CONTROL_3, factors.n);
reg = wm8400_read(codec, WM8400_FLL_CONTROL_4);
reg &= WM8400_FLL_OUTDIV_MASK;
reg |= factors.outdiv;
wm8400_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 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
audio3 = wm8400_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;
}
wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
wm8400_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 = wm8400_read(codec, WM8400_CLOCKING_2) &
~WM8400_MCLK_DIV_MASK;
wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
break;
case WM8400_DACCLK_DIV:
reg = wm8400_read(codec, WM8400_CLOCKING_2) &
~WM8400_DAC_CLKDIV_MASK;
wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
break;
case WM8400_ADCCLK_DIV:
reg = wm8400_read(codec, WM8400_CLOCKING_2) &
~WM8400_ADC_CLKDIV_MASK;
wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
break;
case WM8400_BCLK_DIV:
reg = wm8400_read(codec, WM8400_CLOCKING_1) &
~WM8400_BCLK_DIV_MASK;
wm8400_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_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
audio1 &= ~WM8400_AIF_WL_MASK;
/* bit size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
break;
case SNDRV_PCM_FORMAT_S20_3LE:
audio1 |= WM8400_AIF_WL_20BITS;
break;
case SNDRV_PCM_FORMAT_S24_LE:
audio1 |= WM8400_AIF_WL_24BITS;
break;
case SNDRV_PCM_FORMAT_S32_LE:
audio1 |= WM8400_AIF_WL_32BITS;
break;
}
wm8400_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 = wm8400_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
if (mute)
wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
else
wm8400_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 = codec->private_data;
u16 val;
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* VMID=2*50k */
val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
~WM8400_VMID_MODE_MASK;
wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
break;
case SND_SOC_BIAS_STANDBY:
if (codec->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;
}
wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
WM8400_BUFDCOPEN | WM8400_POBCTRL);
msleep(50);
/* Enable VREF & VMID at 2x50k */
val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
val |= 0x2 | WM8400_VREF_ENA;
wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
/* Enable BUFIOEN */
wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
WM8400_BUFDCOPEN | WM8400_POBCTRL |
WM8400_BUFIOEN);
/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
}
/* VMID=2*300k */
val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
~WM8400_VMID_MODE_MASK;
wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
break;
case SND_SOC_BIAS_OFF:
/* Enable POBCTRL and SOFT_ST */
wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
WM8400_POBCTRL | WM8400_BUFIOEN);
/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
WM8400_BUFDCOPEN | WM8400_POBCTRL |
WM8400_BUFIOEN);
/* mute DAC */
val = wm8400_read(codec, WM8400_DAC_CTRL);
wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
/* Enable any disabled outputs */
val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
WM8400_OUT4_ENA | WM8400_LOUT_ENA |
WM8400_ROUT_ENA;
wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
/* Disable VMID */
val &= ~WM8400_VMID_MODE_MASK;
wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
msleep(300);
/* Enable all output discharge bits */
wm8400_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;
wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
wm8400_write(codec, WM8400_ANTIPOP2, 0x0);
ret = regulator_bulk_disable(ARRAY_SIZE(power),
&power[0]);
if (ret != 0)
return ret;
break;
}
codec->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 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
*/
struct snd_soc_dai wm8400_dai = {
/* ADC/DAC on primary */
.name = "WM8400 ADC/DAC Primary",
.id = 1,
.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,
};
EXPORT_SYMBOL_GPL(wm8400_dai);
static int wm8400_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int wm8400_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
static struct snd_soc_codec *wm8400_codec;
static int wm8400_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
int ret;
if (!wm8400_codec) {
dev_err(&pdev->dev, "wm8400 not yet discovered\n");
return -ENODEV;
}
codec = wm8400_codec;
socdev->card->codec = codec;
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
dev_err(&pdev->dev, "failed to create pcms\n");
goto pcm_err;
}
wm8400_add_controls(codec);
wm8400_add_widgets(codec);
ret = snd_soc_init_card(socdev);
if (ret < 0) {
dev_err(&pdev->dev, "failed to register card\n");
goto card_err;
}
return ret;
card_err:
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
pcm_err:
return ret;
}
/* power down chip */
static int wm8400_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
return 0;
}
struct snd_soc_codec_device soc_codec_dev_wm8400 = {
.probe = wm8400_probe,
.remove = wm8400_remove,
.suspend = wm8400_suspend,
.resume = wm8400_resume,
};
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;
int ret;
/* charge output caps */
wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* We're done, tell the subsystem. */
ret = snd_soc_register_codec(codec);
if (ret != 0) {
dev_err(priv->wm8400->dev,
"Failed to register codec: %d\n", ret);
goto err;
}
ret = snd_soc_register_dai(&wm8400_dai);
if (ret != 0) {
dev_err(priv->wm8400->dev,
"Failed to register DAI: %d\n", ret);
goto err_codec;
}
return;
err_codec:
snd_soc_unregister_codec(codec);
err:
wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
}
static int wm8400_codec_probe(struct platform_device *dev)
{
struct wm8400_priv *priv;
int ret;
u16 reg;
struct snd_soc_codec *codec;
priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;
codec = &priv->codec;
codec->private_data = priv;
codec->control_data = dev_get_drvdata(&dev->dev);
priv->wm8400 = dev_get_drvdata(&dev->dev);
ret = regulator_bulk_get(priv->wm8400->dev,
ARRAY_SIZE(power), &power[0]);
if (ret != 0) {
dev_err(&dev->dev, "Failed to get regulators: %d\n", ret);
goto err;
}
codec->dev = &dev->dev;
wm8400_dai.dev = &dev->dev;
codec->name = "WM8400";
codec->owner = THIS_MODULE;
codec->read = wm8400_read;
codec->write = wm8400_write;
codec->bias_level = SND_SOC_BIAS_OFF;
codec->set_bias_level = wm8400_set_bias_level;
codec->dai = &wm8400_dai;
codec->num_dai = 1;
codec->reg_cache_size = WM8400_REGISTER_COUNT;
mutex_init(&codec->mutex);
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
INIT_WORK(&priv->work, wm8400_probe_deferred);
wm8400_codec_reset(codec);
reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
/* Latch volume update bits */
reg = wm8400_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
wm8400_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
reg & WM8400_IPVU);
reg = wm8400_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
wm8400_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
reg & WM8400_IPVU);
wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
wm8400_codec = codec;
if (!schedule_work(&priv->work)) {
ret = -EINVAL;
goto err_regulator;
}
return 0;
err_regulator:
wm8400_codec = NULL;
regulator_bulk_free(ARRAY_SIZE(power), power);
err:
kfree(priv);
return ret;
}
static int __exit wm8400_codec_remove(struct platform_device *dev)
{
struct wm8400_priv *priv = wm8400_codec->private_data;
u16 reg;
snd_soc_unregister_dai(&wm8400_dai);
snd_soc_unregister_codec(wm8400_codec);
reg = wm8400_read(wm8400_codec, WM8400_POWER_MANAGEMENT_1);
wm8400_write(wm8400_codec, WM8400_POWER_MANAGEMENT_1,
reg & (~WM8400_CODEC_ENA));
regulator_bulk_free(ARRAY_SIZE(power), power);
kfree(priv);
wm8400_codec = NULL;
return 0;
}
#ifdef CONFIG_PM
static int wm8400_pdev_suspend(struct platform_device *pdev, pm_message_t msg)
{
return snd_soc_suspend_device(&pdev->dev);
}
static int wm8400_pdev_resume(struct platform_device *pdev)
{
return snd_soc_resume_device(&pdev->dev);
}
#else
#define wm8400_pdev_suspend NULL
#define wm8400_pdev_resume NULL
#endif
static struct platform_driver wm8400_codec_driver = {
.driver = {
.name = "wm8400-codec",
.owner = THIS_MODULE,
},
.probe = wm8400_codec_probe,
.remove = __exit_p(wm8400_codec_remove),
.suspend = wm8400_pdev_suspend,
.resume = wm8400_pdev_resume,
};
static int __init wm8400_codec_init(void)
{
return platform_driver_register(&wm8400_codec_driver);
}
module_init(wm8400_codec_init);
static void __exit wm8400_codec_exit(void)
{
platform_driver_unregister(&wm8400_codec_driver);
}
module_exit(wm8400_codec_exit);
EXPORT_SYMBOL_GPL(soc_codec_dev_wm8400);
MODULE_DESCRIPTION("ASoC WM8400 driver");
MODULE_AUTHOR("Mark Brown");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:wm8400-codec");
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