/*
* wm8990.c -- WM8990 ALSA Soc Audio driver
*
* Copyright 2008 Wolfson Microelectronics PLC.
* Author: Liam Girdwood
* lg@opensource.wolfsonmicro.com or linux@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/i2c.h>
#include <linux/platform_device.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 <asm/div64.h>
#include "wm8990.h"
#define WM8990_VERSION "0.2"
/* codec private data */
struct wm8990_priv {
unsigned int sysclk;
unsigned int pcmclk;
};
/*
* wm8990 register cache. Note that register 0 is not included in the
* cache.
*/
static const u16 wm8990_reg[] = {
0x8990, /* R0 - Reset */
0x0000, /* R1 - Power Management (1) */
0x6000, /* R2 - Power Management (2) */
0x0000, /* R3 - Power Management (3) */
0x4050, /* R4 - Audio Interface (1) */
0x4000, /* R5 - Audio Interface (2) */
0x01C8, /* R6 - Clocking (1) */
0x0000, /* R7 - Clocking (2) */
0x0040, /* R8 - Audio Interface (3) */
0x0040, /* R9 - Audio Interface (4) */
0x0004, /* R10 - DAC CTRL */
0x00C0, /* R11 - Left DAC Digital Volume */
0x00C0, /* R12 - Right DAC Digital Volume */
0x0000, /* R13 - Digital Side Tone */
0x0100, /* R14 - ADC CTRL */
0x00C0, /* R15 - Left ADC Digital Volume */
0x00C0, /* R16 - Right ADC Digital Volume */
0x0000, /* R17 */
0x0000, /* R18 - GPIO CTRL 1 */
0x1000, /* R19 - GPIO1 & GPIO2 */
0x1010, /* R20 - GPIO3 & GPIO4 */
0x1010, /* R21 - GPIO5 & GPIO6 */
0x8000, /* R22 - GPIOCTRL 2 */
0x0800, /* R23 - GPIO_POL */
0x008B, /* R24 - Left Line Input 1&2 Volume */
0x008B, /* R25 - Left Line Input 3&4 Volume */
0x008B, /* R26 - Right Line Input 1&2 Volume */
0x008B, /* R27 - Right Line Input 3&4 Volume */
0x0000, /* R28 - Left Output Volume */
0x0000, /* R29 - Right Output Volume */
0x0066, /* R30 - Line Outputs Volume */
0x0022, /* R31 - Out3/4 Volume */
0x0079, /* R32 - Left OPGA Volume */
0x0079, /* R33 - Right OPGA Volume */
0x0003, /* R34 - Speaker Volume */
0x0003, /* R35 - ClassD1 */
0x0000, /* R36 */
0x0100, /* R37 - ClassD3 */
0x0079, /* R38 - ClassD4 */
0x0000, /* R39 - Input Mixer1 */
0x0000, /* R40 - Input Mixer2 */
0x0000, /* R41 - Input Mixer3 */
0x0000, /* R42 - Input Mixer4 */
0x0000, /* R43 - Input Mixer5 */
0x0000, /* R44 - Input Mixer6 */
0x0000, /* R45 - Output Mixer1 */
0x0000, /* R46 - Output Mixer2 */
0x0000, /* R47 - Output Mixer3 */
0x0000, /* R48 - Output Mixer4 */
0x0000, /* R49 - Output Mixer5 */
0x0000, /* R50 - Output Mixer6 */
0x0180, /* R51 - Out3/4 Mixer */
0x0000, /* R52 - Line Mixer1 */
0x0000, /* R53 - Line Mixer2 */
0x0000, /* R54 - Speaker Mixer */
0x0000, /* R55 - Additional Control */
0x0000, /* R56 - AntiPOP1 */
0x0000, /* R57 - AntiPOP2 */
0x0000, /* R58 - MICBIAS */
0x0000, /* R59 */
0x0008, /* R60 - PLL1 */
0x0031, /* R61 - PLL2 */
0x0026, /* R62 - PLL3 */
};
/*
* read wm8990 register cache
*/
static inline unsigned int wm8990_read_reg_cache(struct snd_soc_codec *codec,
unsigned int reg)
{
u16 *cache = codec->reg_cache;
BUG_ON(reg > (ARRAY_SIZE(wm8990_reg)) - 1);
return cache[reg];
}
/*
* write wm8990 register cache
*/
static inline void wm8990_write_reg_cache(struct snd_soc_codec *codec,
unsigned int reg, unsigned int value)
{
u16 *cache = codec->reg_cache;
BUG_ON(reg > (ARRAY_SIZE(wm8990_reg)) - 1);
/* Reset register is uncached */
if (reg == 0)
return;
cache[reg] = value;
}
/*
* write to the wm8990 register space
*/
static int wm8990_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
u8 data[3];
data[0] = reg & 0xFF;
data[1] = (value >> 8) & 0xFF;
data[2] = value & 0xFF;
wm8990_write_reg_cache(codec, reg, value);
if (codec->hw_write(codec->control_data, data, 3) == 2)
return 0;
else
return -EIO;
}
#define wm8990_reset(c) wm8990_write(c, WM8990_RESET, 0)
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, 0, -2100);
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 wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
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 = wm8990_read_reg_cache(codec, reg);
return wm8990_write(codec, reg, val | 0x0100);
}
#define SOC_WM899X_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 = wm899x_outpga_put_volsw_vu, \
.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
static const char *wm8990_digital_sidetone[] =
{"None", "Left ADC", "Right ADC", "Reserved"};
static const struct soc_enum wm8990_left_digital_sidetone_enum =
SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
WM8990_ADC_TO_DACL_SHIFT,
WM8990_ADC_TO_DACL_MASK,
wm8990_digital_sidetone);
static const struct soc_enum wm8990_right_digital_sidetone_enum =
SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
WM8990_ADC_TO_DACR_SHIFT,
WM8990_ADC_TO_DACR_MASK,
wm8990_digital_sidetone);
static const char *wm8990_adcmode[] =
{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
static const struct soc_enum wm8990_right_adcmode_enum =
SOC_ENUM_SINGLE(WM8990_ADC_CTRL,
WM8990_ADC_HPF_CUT_SHIFT,
WM8990_ADC_HPF_CUT_MASK,
wm8990_adcmode);
static const struct snd_kcontrol_new wm8990_snd_controls[] = {
/* INMIXL */
SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
/* INMIXR */
SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
/* LOMIX */
SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
/* ROMIX */
SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
/* LOUT */
SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
/* ROUT */
SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
/* LOPGA */
SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
WM8990_LOPGAZC_BIT, 1, 0),
/* ROPGA */
SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
WM8990_ROPGAZC_BIT, 1, 0),
SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
WM8990_LONMUTE_BIT, 1, 0),
SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
WM8990_LOPMUTE_BIT, 1, 0),
SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
WM8990_LOATTN_BIT, 1, 0),
SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
WM8990_RONMUTE_BIT, 1, 0),
SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
WM8990_ROPMUTE_BIT, 1, 0),
SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
WM8990_ROATTN_BIT, 1, 0),
SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
WM8990_OUT3MUTE_BIT, 1, 0),
SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
WM8990_OUT3ATTN_BIT, 1, 0),
SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
WM8990_OUT4MUTE_BIT, 1, 0),
SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
WM8990_OUT4ATTN_BIT, 1, 0),
SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
WM8990_CDMODE_BIT, 1, 0),
SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
WM8990_LEFT_DAC_DIGITAL_VOLUME,
WM8990_DACL_VOL_SHIFT,
WM8990_DACL_VOL_MASK,
0,
out_dac_tlv),
SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
WM8990_RIGHT_DAC_DIGITAL_VOLUME,
WM8990_DACR_VOL_SHIFT,
WM8990_DACR_VOL_MASK,
0,
out_dac_tlv),
SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
out_sidetone_tlv),
SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
out_sidetone_tlv),
SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
WM8990_ADC_HPF_ENA_BIT, 1, 0),
SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
WM8990_LEFT_ADC_DIGITAL_VOLUME,
WM8990_ADCL_VOL_SHIFT,
WM8990_ADCL_VOL_MASK,
0,
in_adc_tlv),
SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
WM8990_RIGHT_ADC_DIGITAL_VOLUME,
WM8990_ADCR_VOL_SHIFT,
WM8990_ADCR_VOL_MASK,
0,
in_adc_tlv),
SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
WM8990_LIN12VOL_SHIFT,
WM8990_LIN12VOL_MASK,
0,
in_pga_tlv),
SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
WM8990_LI12ZC_BIT, 1, 0),
SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
WM8990_LI12MUTE_BIT, 1, 0),
SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
WM8990_LIN34VOL_SHIFT,
WM8990_LIN34VOL_MASK,
0,
in_pga_tlv),
SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
WM8990_LI34ZC_BIT, 1, 0),
SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
WM8990_LI34MUTE_BIT, 1, 0),
SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
WM8990_RIN12VOL_SHIFT,
WM8990_RIN12VOL_MASK,
0,
in_pga_tlv),
SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
WM8990_RI12ZC_BIT, 1, 0),
SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
WM8990_RI12MUTE_BIT, 1, 0),
SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
WM8990_RIN34VOL_SHIFT,
WM8990_RIN34VOL_MASK,
0,
in_pga_tlv),
SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
WM8990_RI34ZC_BIT, 1, 0),
SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
WM8990_RI34MUTE_BIT, 1, 0),
};
/* add non dapm controls */
static int wm8990_add_controls(struct snd_soc_codec *codec)
{
int err, i;
for (i = 0; i < ARRAY_SIZE(wm8990_snd_controls); i++) {
err = snd_ctl_add(codec->card,
snd_soc_cnew(&wm8990_snd_controls[i], codec,
NULL));
if (err < 0)
return err;
}
return 0;
}
/*
* _DAPM_ Controls
*/
static int inmixer_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
u16 reg, fakepower;
reg = wm8990_read_reg_cache(w->codec, WM8990_POWER_MANAGEMENT_2);
fakepower = wm8990_read_reg_cache(w->codec, WM8990_INTDRIVBITS);
if (fakepower & ((1 << WM8990_INMIXL_PWR_BIT) |
(1 << WM8990_AINLMUX_PWR_BIT))) {
reg |= WM8990_AINL_ENA;
} else {
reg &= ~WM8990_AINL_ENA;
}
if (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) |
(1 << WM8990_AINRMUX_PWR_BIT))) {
reg |= WM8990_AINR_ENA;
} else {
reg &= ~WM8990_AINL_ENA;
}
wm8990_write(w->codec, WM8990_POWER_MANAGEMENT_2, reg);
return 0;
}
static int outmixer_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
u32 reg_shift = kcontrol->private_value & 0xfff;
int ret = 0;
u16 reg;
switch (reg_shift) {
case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
reg = wm8990_read_reg_cache(w->codec, WM8990_OUTPUT_MIXER1);
if (reg & WM8990_LDLO) {
printk(KERN_WARNING
"Cannot set as Output Mixer 1 LDLO Set\n");
ret = -1;
}
break;
case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
reg = wm8990_read_reg_cache(w->codec, WM8990_OUTPUT_MIXER2);
if (reg & WM8990_RDRO) {
printk(KERN_WARNING
"Cannot set as Output Mixer 2 RDRO Set\n");
ret = -1;
}
break;
case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
reg = wm8990_read_reg_cache(w->codec, WM8990_SPEAKER_MIXER);
if (reg & WM8990_LDSPK) {
printk(KERN_WARNING
"Cannot set as Speaker Mixer LDSPK Set\n");
ret = -1;
}
break;
case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
reg = wm8990_read_reg_cache(w->codec, WM8990_SPEAKER_MIXER);
if (reg & WM8990_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 wm8990_dapm_lin12_pga_controls[] = {
SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
};
static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
};
/* Right In PGA Connections */
static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
};
static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
};
/* INMIXL */
static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
7, 0, in_mix_tlv),
SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
1, 0),
SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
1, 0),
};
/* INMIXR */
static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
7, 0, in_mix_tlv),
SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
1, 0),
SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
1, 0),
};
/* AINLMUX */
static const char *wm8990_ainlmux[] =
{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
static const struct soc_enum wm8990_ainlmux_enum =
SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
ARRAY_SIZE(wm8990_ainlmux), wm8990_ainlmux);
static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
/* DIFFINL */
/* AINRMUX */
static const char *wm8990_ainrmux[] =
{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
static const struct soc_enum wm8990_ainrmux_enum =
SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
ARRAY_SIZE(wm8990_ainrmux), wm8990_ainrmux);
static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
/* RXVOICE */
static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
};
/* LOMIX */
static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
WM8990_LRBLO_BIT, 1, 0),
SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
WM8990_LLBLO_BIT, 1, 0),
SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
WM8990_LRI3LO_BIT, 1, 0),
SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
WM8990_LLI3LO_BIT, 1, 0),
SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
WM8990_LR12LO_BIT, 1, 0),
SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
WM8990_LL12LO_BIT, 1, 0),
SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
WM8990_LDLO_BIT, 1, 0),
};
/* ROMIX */
static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
WM8990_RLBRO_BIT, 1, 0),
SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
WM8990_RRBRO_BIT, 1, 0),
SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
WM8990_RLI3RO_BIT, 1, 0),
SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
WM8990_RRI3RO_BIT, 1, 0),
SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
WM8990_RL12RO_BIT, 1, 0),
SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
WM8990_RR12RO_BIT, 1, 0),
SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
WM8990_RDRO_BIT, 1, 0),
};
/* LONMIX */
static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
WM8990_LLOPGALON_BIT, 1, 0),
SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
WM8990_LROPGALON_BIT, 1, 0),
SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
WM8990_LOPLON_BIT, 1, 0),
};
/* LOPMIX */
static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
WM8990_LR12LOP_BIT, 1, 0),
SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
WM8990_LL12LOP_BIT, 1, 0),
SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
WM8990_LLOPGALOP_BIT, 1, 0),
};
/* RONMIX */
static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
WM8990_RROPGARON_BIT, 1, 0),
SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
WM8990_RLOPGARON_BIT, 1, 0),
SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
WM8990_ROPRON_BIT, 1, 0),
};
/* ROPMIX */
static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
WM8990_RL12ROP_BIT, 1, 0),
SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
WM8990_RR12ROP_BIT, 1, 0),
SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
WM8990_RROPGAROP_BIT, 1, 0),
};
/* OUT3MIX */
static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
WM8990_LI4O3_BIT, 1, 0),
SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
WM8990_LPGAO3_BIT, 1, 0),
};
/* OUT4MIX */
static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
WM8990_RPGAO4_BIT, 1, 0),
SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
WM8990_RI4O4_BIT, 1, 0),
};
/* SPKMIX */
static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
WM8990_LI2SPK_BIT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
WM8990_LB2SPK_BIT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
WM8990_LOPGASPK_BIT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
WM8990_LDSPK_BIT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
WM8990_RDSPK_BIT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
WM8990_ROPGASPK_BIT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
WM8990_RL12ROP_BIT, 1, 0),
SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
WM8990_RI2SPK_BIT, 1, 0),
};
static const struct snd_soc_dapm_widget wm8990_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", WM8990_POWER_MANAGEMENT_2,
WM8990_ADCL_ENA_BIT, 0),
SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
WM8990_ADCR_ENA_BIT, 0),
/* Input PGAs */
SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
0, &wm8990_dapm_lin12_pga_controls[0],
ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
0, &wm8990_dapm_lin34_pga_controls[0],
ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
0, &wm8990_dapm_rin12_pga_controls[0],
ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
0, &wm8990_dapm_rin34_pga_controls[0],
ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
/* INMIXL */
SND_SOC_DAPM_MIXER_E("INMIXL", WM8990_INTDRIVBITS, WM8990_INMIXL_PWR_BIT, 0,
&wm8990_dapm_inmixl_controls[0],
ARRAY_SIZE(wm8990_dapm_inmixl_controls),
inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* AINLMUX */
SND_SOC_DAPM_MUX_E("AILNMUX", WM8990_INTDRIVBITS, WM8990_AINLMUX_PWR_BIT, 0,
&wm8990_dapm_ainlmux_controls, inmixer_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* INMIXR */
SND_SOC_DAPM_MIXER_E("INMIXR", WM8990_INTDRIVBITS, WM8990_INMIXR_PWR_BIT, 0,
&wm8990_dapm_inmixr_controls[0],
ARRAY_SIZE(wm8990_dapm_inmixr_controls),
inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* AINRMUX */
SND_SOC_DAPM_MUX_E("AIRNMUX", WM8990_INTDRIVBITS, WM8990_AINRMUX_PWR_BIT, 0,
&wm8990_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", WM8990_POWER_MANAGEMENT_3,
WM8990_DACL_ENA_BIT, 0),
SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
WM8990_DACR_ENA_BIT, 0),
/* LOMIX */
SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
0, &wm8990_dapm_lomix_controls[0],
ARRAY_SIZE(wm8990_dapm_lomix_controls),
outmixer_event, SND_SOC_DAPM_PRE_REG),
/* LONMIX */
SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
&wm8990_dapm_lonmix_controls[0],
ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
/* LOPMIX */
SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
&wm8990_dapm_lopmix_controls[0],
ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
/* OUT3MIX */
SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
&wm8990_dapm_out3mix_controls[0],
ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
/* SPKMIX */
SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
&wm8990_dapm_spkmix_controls[0],
ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
SND_SOC_DAPM_PRE_REG),
/* OUT4MIX */
SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
&wm8990_dapm_out4mix_controls[0],
ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
/* ROPMIX */
SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
&wm8990_dapm_ropmix_controls[0],
ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
/* RONMIX */
SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
&wm8990_dapm_ronmix_controls[0],
ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
/* ROMIX */
SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
0, &wm8990_dapm_romix_controls[0],
ARRAY_SIZE(wm8990_dapm_romix_controls),
outmixer_event, SND_SOC_DAPM_PRE_REG),
/* LOUT PGA */
SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
NULL, 0),
/* ROUT PGA */
SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
NULL, 0),
/* LOPGA */
SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
NULL, 0),
/* ROPGA */
SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
NULL, 0),
/* MICBIAS */
SND_SOC_DAPM_MICBIAS("MICBIAS", WM8990_POWER_MANAGEMENT_1,
WM8990_MICBIAS_ENA_BIT, 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"},
/* 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", "LIN12PGA"},
{"AILNMUX", "DIFFINL Mix", "LIN34PGA"},
{"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"},
/* 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", "RIN12PGA"},
{"AIRNMUX", "DIFFINR Mix", "RIN34PGA"},
{"AIRNMUX", "RXVOICE Mix", "RIN4/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", "AINRMUX"},
{"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
{"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", "AINRMUX"},
{"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
{"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", "AINLMUX"},
{"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
{"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", "Left 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/RXP"},
{"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"},
{"OUT", NULL, "OUT3MIX"},
{"LOUT", NULL, "LOUT PGA"},
{"SPKN", NULL, "SPKMIX"},
{"ROUT", NULL, "ROUT PGA"},
{"OUT4", NULL, "OUT4MIX"},
{"ROP", NULL, "ROPMIX"},
{"RON", NULL, "RONMIX"},
};
static int wm8990_add_widgets(struct snd_soc_codec *codec)
{
snd_soc_dapm_new_controls(codec, wm8990_dapm_widgets,
ARRAY_SIZE(wm8990_dapm_widgets));
/* set up the WM8990 audio map */
snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
snd_soc_dapm_new_widgets(codec);
return 0;
}
/* PLL divisors */
struct _pll_div {
u32 div2;
u32 n;
u32 k;
};
/* The size in bits of the pll divide multiplied by 10
* to allow rounding later */
#define FIXED_PLL_SIZE ((1 << 16) * 10)
static void pll_factors(struct _pll_div *pll_div, unsigned int target,
unsigned int source)
{
u64 Kpart;
unsigned int K, Ndiv, Nmod;
Ndiv = target / source;
if (Ndiv < 6) {
source >>= 1;
pll_div->div2 = 1;
Ndiv = target / source;
} else
pll_div->div2 = 0;
if ((Ndiv < 6) || (Ndiv > 12))
printk(KERN_WARNING
"WM8990 N value outwith recommended range! N = %d\n", Ndiv);
pll_div->n = Ndiv;
Nmod = target % source;
Kpart = FIXED_PLL_SIZE * (long long)Nmod;
do_div(Kpart, source);
K = Kpart & 0xFFFFFFFF;
/* Check if we need to round */
if ((K % 10) >= 5)
K += 5;
/* Move down to proper range now rounding is done */
K /= 10;
pll_div->k = K;
}
static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai,
int pll_id, unsigned int freq_in, unsigned int freq_out)
{
u16 reg;
struct snd_soc_codec *codec = codec_dai->codec;
struct _pll_div pll_div;
if (freq_in && freq_out) {
pll_factors(&pll_div, freq_out * 4, freq_in);
/* Turn on PLL */
reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
reg |= WM8990_PLL_ENA;
wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
/* sysclk comes from PLL */
reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2);
wm8990_write(codec, WM8990_CLOCKING_2, reg | WM8990_SYSCLK_SRC);
/* set up N , fractional mode and pre-divisor if neccessary */
wm8990_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM |
(pll_div.div2?WM8990_PRESCALE:0));
wm8990_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8));
wm8990_write(codec, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
} else {
/* Turn on PLL */
reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
reg &= ~WM8990_PLL_ENA;
wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
}
return 0;
}
/*
* Clock after PLL and dividers
*/
static int wm8990_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 wm8990_priv *wm8990 = codec->private_data;
wm8990->sysclk = freq;
return 0;
}
/*
* Set's ADC and Voice DAC format.
*/
static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 audio1, audio3;
audio1 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_1);
audio3 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_3);
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
audio3 &= ~WM8990_AIF_MSTR1;
break;
case SND_SOC_DAIFMT_CBM_CFM:
audio3 |= WM8990_AIF_MSTR1;
break;
default:
return -EINVAL;
}
audio1 &= ~WM8990_AIF_FMT_MASK;
/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
audio1 |= WM8990_AIF_TMF_I2S;
audio1 &= ~WM8990_AIF_LRCLK_INV;
break;
case SND_SOC_DAIFMT_RIGHT_J:
audio1 |= WM8990_AIF_TMF_RIGHTJ;
audio1 &= ~WM8990_AIF_LRCLK_INV;
break;
case SND_SOC_DAIFMT_LEFT_J:
audio1 |= WM8990_AIF_TMF_LEFTJ;
audio1 &= ~WM8990_AIF_LRCLK_INV;
break;
case SND_SOC_DAIFMT_DSP_A:
audio1 |= WM8990_AIF_TMF_DSP;
audio1 &= ~WM8990_AIF_LRCLK_INV;
break;
case SND_SOC_DAIFMT_DSP_B:
audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
break;
default:
return -EINVAL;
}
wm8990_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
wm8990_write(codec, WM8990_AUDIO_INTERFACE_3, audio3);
return 0;
}
static int wm8990_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 WM8990_MCLK_DIV:
reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
~WM8990_MCLK_DIV_MASK;
wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
break;
case WM8990_DACCLK_DIV:
reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
~WM8990_DAC_CLKDIV_MASK;
wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
break;
case WM8990_ADCCLK_DIV:
reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
~WM8990_ADC_CLKDIV_MASK;
wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
break;
case WM8990_BCLK_DIV:
reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_1) &
~WM8990_BCLK_DIV_MASK;
wm8990_write(codec, WM8990_CLOCKING_1, reg | div);
break;
default:
return -EINVAL;
}
return 0;
}
/*
* Set PCM DAI bit size and sample rate.
*/
static int wm8990_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->codec;
u16 audio1 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_1);
audio1 &= ~WM8990_AIF_WL_MASK;
/* bit size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
break;
case SNDRV_PCM_FORMAT_S20_3LE:
audio1 |= WM8990_AIF_WL_20BITS;
break;
case SNDRV_PCM_FORMAT_S24_LE:
audio1 |= WM8990_AIF_WL_24BITS;
break;
case SNDRV_PCM_FORMAT_S32_LE:
audio1 |= WM8990_AIF_WL_32BITS;
break;
}
wm8990_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
return 0;
}
static int wm8990_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
u16 val;
val = wm8990_read_reg_cache(codec, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
if (mute)
wm8990_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
else
wm8990_write(codec, WM8990_DAC_CTRL, val);
return 0;
}
static int wm8990_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
u16 val;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
if (codec->bias_level == SND_SOC_BIAS_OFF) {
/* Enable all output discharge bits */
wm8990_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
WM8990_DIS_ROUT);
/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
WM8990_BUFDCOPEN | WM8990_POBCTRL |
WM8990_VMIDTOG);
/* Delay to allow output caps to discharge */
msleep(msecs_to_jiffies(300));
/* Disable VMIDTOG */
wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
WM8990_BUFDCOPEN | WM8990_POBCTRL);
/* disable all output discharge bits */
wm8990_write(codec, WM8990_ANTIPOP1, 0);
/* Enable outputs */
wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1b00);
msleep(msecs_to_jiffies(50));
/* Enable VMID at 2x50k */
wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f02);
msleep(msecs_to_jiffies(100));
/* Enable VREF */
wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
msleep(msecs_to_jiffies(600));
/* Enable BUFIOEN */
wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
WM8990_BUFDCOPEN | WM8990_POBCTRL |
WM8990_BUFIOEN);
/* Disable outputs */
wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x3);
/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
wm8990_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN);
} else {
/* ON -> standby */
}
break;
case SND_SOC_BIAS_OFF:
/* Enable POBCTRL and SOFT_ST */
wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
WM8990_POBCTRL | WM8990_BUFIOEN);
/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
WM8990_BUFDCOPEN | WM8990_POBCTRL |
WM8990_BUFIOEN);
/* mute DAC */
val = wm8990_read_reg_cache(codec, WM8990_DAC_CTRL);
wm8990_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
/* Enable any disabled outputs */
wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
/* Disable VMID */
wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f01);
msleep(msecs_to_jiffies(300));
/* Enable all output discharge bits */
wm8990_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
WM8990_DIS_ROUT);
/* Disable VREF */
wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x0);
/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
wm8990_write(codec, WM8990_ANTIPOP2, 0x0);
break;
}
codec->bias_level = level;
return 0;
}
#define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000)
#define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
/*
* The WM8990 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 wm8990_dai = {
/* ADC/DAC on primary */
.name = "WM8990 ADC/DAC Primary",
.id = 1,
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = WM8990_RATES,
.formats = WM8990_FORMATS,},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = WM8990_RATES,
.formats = WM8990_FORMATS,},
.ops = {
.hw_params = wm8990_hw_params,},
.dai_ops = {
.digital_mute = wm8990_mute,
.set_fmt = wm8990_set_dai_fmt,
.set_clkdiv = wm8990_set_dai_clkdiv,
.set_pll = wm8990_set_dai_pll,
.set_sysclk = wm8990_set_dai_sysclk,
},
};
EXPORT_SYMBOL_GPL(wm8990_dai);
static int wm8990_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->codec;
/* we only need to suspend if we are a valid card */
if (!codec->card)
return 0;
wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int wm8990_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->codec;
int i;
u8 data[2];
u16 *cache = codec->reg_cache;
/* we only need to resume if we are a valid card */
if (!codec->card)
return 0;
/* Sync reg_cache with the hardware */
for (i = 0; i < ARRAY_SIZE(wm8990_reg); i++) {
if (i + 1 == WM8990_RESET)
continue;
data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
data[1] = cache[i] & 0x00ff;
codec->hw_write(codec->control_data, data, 2);
}
wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
/*
* initialise the WM8990 driver
* register the mixer and dsp interfaces with the kernel
*/
static int wm8990_init(struct snd_soc_device *socdev)
{
struct snd_soc_codec *codec = socdev->codec;
u16 reg;
int ret = 0;
codec->name = "WM8990";
codec->owner = THIS_MODULE;
codec->read = wm8990_read_reg_cache;
codec->write = wm8990_write;
codec->set_bias_level = wm8990_set_bias_level;
codec->dai = &wm8990_dai;
codec->num_dai = 2;
codec->reg_cache_size = ARRAY_SIZE(wm8990_reg);
codec->reg_cache = kmemdup(wm8990_reg, sizeof(wm8990_reg), GFP_KERNEL);
if (codec->reg_cache == NULL)
return -ENOMEM;
wm8990_reset(codec);
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
printk(KERN_ERR "wm8990: failed to create pcms\n");
goto pcm_err;
}
/* charge output caps */
codec->bias_level = SND_SOC_BIAS_OFF;
wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
reg = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_4);
wm8990_write(codec, WM8990_AUDIO_INTERFACE_4, reg | WM8990_ALRCGPIO1);
reg = wm8990_read_reg_cache(codec, WM8990_GPIO1_GPIO2) &
~WM8990_GPIO1_SEL_MASK;
wm8990_write(codec, WM8990_GPIO1_GPIO2, reg | 1);
reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg | WM8990_OPCLK_ENA);
wm8990_write(codec, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
wm8990_write(codec, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
wm8990_add_controls(codec);
wm8990_add_widgets(codec);
ret = snd_soc_register_card(socdev);
if (ret < 0) {
printk(KERN_ERR "wm8990: failed to register card\n");
goto card_err;
}
return ret;
card_err:
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
pcm_err:
kfree(codec->reg_cache);
return ret;
}
/* If the i2c layer weren't so broken, we could pass this kind of data
around */
static struct snd_soc_device *wm8990_socdev;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
/*
* WM891 2 wire address is determined by GPIO5
* state during powerup.
* low = 0x34
* high = 0x36
*/
static int wm8990_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = wm8990_socdev;
struct snd_soc_codec *codec = socdev->codec;
int ret;
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
ret = wm8990_init(socdev);
if (ret < 0)
pr_err("failed to initialise WM8990\n");
return ret;
}
static int wm8990_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
kfree(codec->reg_cache);
return 0;
}
static const struct i2c_device_id wm8990_i2c_id[] = {
{ "wm8990", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
static struct i2c_driver wm8990_i2c_driver = {
.driver = {
.name = "WM8990 I2C Codec",
.owner = THIS_MODULE,
},
.probe = wm8990_i2c_probe,
.remove = wm8990_i2c_remove,
.id_table = wm8990_i2c_id,
};
static int wm8990_add_i2c_device(struct platform_device *pdev,
const struct wm8990_setup_data *setup)
{
struct i2c_board_info info;
struct i2c_adapter *adapter;
struct i2c_client *client;
int ret;
ret = i2c_add_driver(&wm8990_i2c_driver);
if (ret != 0) {
dev_err(&pdev->dev, "can't add i2c driver\n");
return ret;
}
memset(&info, 0, sizeof(struct i2c_board_info));
info.addr = setup->i2c_address;
strlcpy(info.type, "wm8990", I2C_NAME_SIZE);
adapter = i2c_get_adapter(setup->i2c_bus);
if (!adapter) {
dev_err(&pdev->dev, "can't get i2c adapter %d\n",
setup->i2c_bus);
goto err_driver;
}
client = i2c_new_device(adapter, &info);
i2c_put_adapter(adapter);
if (!client) {
dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
(unsigned int)info.addr);
goto err_driver;
}
return 0;
err_driver:
i2c_del_driver(&wm8990_i2c_driver);
return -ENODEV;
}
#endif
static int wm8990_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct wm8990_setup_data *setup;
struct snd_soc_codec *codec;
struct wm8990_priv *wm8990;
int ret;
pr_info("WM8990 Audio Codec %s\n", WM8990_VERSION);
setup = socdev->codec_data;
codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
if (codec == NULL)
return -ENOMEM;
wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL);
if (wm8990 == NULL) {
kfree(codec);
return -ENOMEM;
}
codec->private_data = wm8990;
socdev->codec = codec;
mutex_init(&codec->mutex);
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
wm8990_socdev = socdev;
ret = -ENODEV;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
codec->hw_write = (hw_write_t)i2c_master_send;
ret = wm8990_add_i2c_device(pdev, setup);
}
#endif
if (ret != 0) {
kfree(codec->private_data);
kfree(codec);
}
return ret;
}
/* power down chip */
static int wm8990_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->codec;
if (codec->control_data)
wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
i2c_unregister_device(codec->control_data);
i2c_del_driver(&wm8990_i2c_driver);
#endif
kfree(codec->private_data);
kfree(codec);
return 0;
}
struct snd_soc_codec_device soc_codec_dev_wm8990 = {
.probe = wm8990_probe,
.remove = wm8990_remove,
.suspend = wm8990_suspend,
.resume = wm8990_resume,
};
EXPORT_SYMBOL_GPL(soc_codec_dev_wm8990);
MODULE_DESCRIPTION("ASoC WM8990 driver");
MODULE_AUTHOR("Liam Girdwood");
MODULE_LICENSE("GPL");
