/*
* ALSA SoC TLV320AIC31XX codec driver
*
* Copyright (C) 2014 Texas Instruments, Inc.
*
* Author: Jyri Sarha <jsarha@ti.com>
*
* Based on ground work by: Ajit Kulkarni <x0175765@ti.com>
*
* This package is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* THIS PACKAGE IS PROVIDED AS IS AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* The TLV320AIC31xx series of audio codec is a low-power, highly integrated
* high performance codec which provides a stereo DAC, a mono ADC,
* and mono/stereo Class-D speaker driver.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <dt-bindings/sound/tlv320aic31xx-micbias.h>
#include "tlv320aic31xx.h"
static const struct reg_default aic31xx_reg_defaults[] = {
{ AIC31XX_CLKMUX, 0x00 },
{ AIC31XX_PLLPR, 0x11 },
{ AIC31XX_PLLJ, 0x04 },
{ AIC31XX_PLLDMSB, 0x00 },
{ AIC31XX_PLLDLSB, 0x00 },
{ AIC31XX_NDAC, 0x01 },
{ AIC31XX_MDAC, 0x01 },
{ AIC31XX_DOSRMSB, 0x00 },
{ AIC31XX_DOSRLSB, 0x80 },
{ AIC31XX_NADC, 0x01 },
{ AIC31XX_MADC, 0x01 },
{ AIC31XX_AOSR, 0x80 },
{ AIC31XX_IFACE1, 0x00 },
{ AIC31XX_DATA_OFFSET, 0x00 },
{ AIC31XX_IFACE2, 0x00 },
{ AIC31XX_BCLKN, 0x01 },
{ AIC31XX_DACSETUP, 0x14 },
{ AIC31XX_DACMUTE, 0x0c },
{ AIC31XX_LDACVOL, 0x00 },
{ AIC31XX_RDACVOL, 0x00 },
{ AIC31XX_ADCSETUP, 0x00 },
{ AIC31XX_ADCFGA, 0x80 },
{ AIC31XX_ADCVOL, 0x00 },
{ AIC31XX_HPDRIVER, 0x04 },
{ AIC31XX_SPKAMP, 0x06 },
{ AIC31XX_DACMIXERROUTE, 0x00 },
{ AIC31XX_LANALOGHPL, 0x7f },
{ AIC31XX_RANALOGHPR, 0x7f },
{ AIC31XX_LANALOGSPL, 0x7f },
{ AIC31XX_RANALOGSPR, 0x7f },
{ AIC31XX_HPLGAIN, 0x02 },
{ AIC31XX_HPRGAIN, 0x02 },
{ AIC31XX_SPLGAIN, 0x00 },
{ AIC31XX_SPRGAIN, 0x00 },
{ AIC31XX_MICBIAS, 0x00 },
{ AIC31XX_MICPGA, 0x80 },
{ AIC31XX_MICPGAPI, 0x00 },
{ AIC31XX_MICPGAMI, 0x00 },
};
static bool aic31xx_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case AIC31XX_PAGECTL: /* regmap implementation requires this */
case AIC31XX_RESET: /* always clears after write */
case AIC31XX_OT_FLAG:
case AIC31XX_ADCFLAG:
case AIC31XX_DACFLAG1:
case AIC31XX_DACFLAG2:
case AIC31XX_OFFLAG: /* Sticky interrupt flags */
case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
case AIC31XX_INTRDACFLAG2:
case AIC31XX_INTRADCFLAG2:
return true;
}
return false;
}
static bool aic31xx_writeable(struct device *dev, unsigned int reg)
{
switch (reg) {
case AIC31XX_OT_FLAG:
case AIC31XX_ADCFLAG:
case AIC31XX_DACFLAG1:
case AIC31XX_DACFLAG2:
case AIC31XX_OFFLAG: /* Sticky interrupt flags */
case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
case AIC31XX_INTRDACFLAG2:
case AIC31XX_INTRADCFLAG2:
return false;
}
return true;
}
static const struct regmap_range_cfg aic31xx_ranges[] = {
{
.range_min = 0,
.range_max = 12 * 128,
.selector_reg = AIC31XX_PAGECTL,
.selector_mask = 0xff,
.selector_shift = 0,
.window_start = 0,
.window_len = 128,
},
};
static const struct regmap_config aic31xx_i2c_regmap = {
.reg_bits = 8,
.val_bits = 8,
.writeable_reg = aic31xx_writeable,
.volatile_reg = aic31xx_volatile,
.reg_defaults = aic31xx_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults),
.cache_type = REGCACHE_RBTREE,
.ranges = aic31xx_ranges,
.num_ranges = ARRAY_SIZE(aic31xx_ranges),
.max_register = 12 * 128,
};
#define AIC31XX_NUM_SUPPLIES 6
static const char * const aic31xx_supply_names[AIC31XX_NUM_SUPPLIES] = {
"HPVDD",
"SPRVDD",
"SPLVDD",
"AVDD",
"IOVDD",
"DVDD",
};
struct aic31xx_disable_nb {
struct notifier_block nb;
struct aic31xx_priv *aic31xx;
};
struct aic31xx_priv {
struct snd_soc_codec *codec;
u8 i2c_regs_status;
struct device *dev;
struct regmap *regmap;
struct aic31xx_pdata pdata;
struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
unsigned int sysclk;
u8 p_div;
int rate_div_line;
};
struct aic31xx_rate_divs {
u32 mclk_p;
u32 rate;
u8 pll_j;
u16 pll_d;
u16 dosr;
u8 ndac;
u8 mdac;
u8 aosr;
u8 nadc;
u8 madc;
};
/* ADC dividers can be disabled by cofiguring them to 0 */
static const struct aic31xx_rate_divs aic31xx_divs[] = {
/* mclk/p rate pll: j d dosr ndac mdac aors nadc madc */
/* 8k rate */
{12000000, 8000, 8, 1920, 128, 48, 2, 128, 48, 2},
{12000000, 8000, 8, 1920, 128, 32, 3, 128, 32, 3},
{12500000, 8000, 7, 8643, 128, 48, 2, 128, 48, 2},
/* 11.025k rate */
{12000000, 11025, 7, 5264, 128, 32, 2, 128, 32, 2},
{12000000, 11025, 8, 4672, 128, 24, 3, 128, 24, 3},
{12500000, 11025, 7, 2253, 128, 32, 2, 128, 32, 2},
/* 16k rate */
{12000000, 16000, 8, 1920, 128, 24, 2, 128, 24, 2},
{12000000, 16000, 8, 1920, 128, 16, 3, 128, 16, 3},
{12500000, 16000, 7, 8643, 128, 24, 2, 128, 24, 2},
/* 22.05k rate */
{12000000, 22050, 7, 5264, 128, 16, 2, 128, 16, 2},
{12000000, 22050, 8, 4672, 128, 12, 3, 128, 12, 3},
{12500000, 22050, 7, 2253, 128, 16, 2, 128, 16, 2},
/* 32k rate */
{12000000, 32000, 8, 1920, 128, 12, 2, 128, 12, 2},
{12000000, 32000, 8, 1920, 128, 8, 3, 128, 8, 3},
{12500000, 32000, 7, 8643, 128, 12, 2, 128, 12, 2},
/* 44.1k rate */
{12000000, 44100, 7, 5264, 128, 8, 2, 128, 8, 2},
{12000000, 44100, 8, 4672, 128, 6, 3, 128, 6, 3},
{12500000, 44100, 7, 2253, 128, 8, 2, 128, 8, 2},
/* 48k rate */
{12000000, 48000, 8, 1920, 128, 8, 2, 128, 8, 2},
{12000000, 48000, 7, 6800, 96, 5, 4, 96, 5, 4},
{12500000, 48000, 7, 8643, 128, 8, 2, 128, 8, 2},
/* 88.2k rate */
{12000000, 88200, 7, 5264, 64, 8, 2, 64, 8, 2},
{12000000, 88200, 8, 4672, 64, 6, 3, 64, 6, 3},
{12500000, 88200, 7, 2253, 64, 8, 2, 64, 8, 2},
/* 96k rate */
{12000000, 96000, 8, 1920, 64, 8, 2, 64, 8, 2},
{12000000, 96000, 7, 6800, 48, 5, 4, 48, 5, 4},
{12500000, 96000, 7, 8643, 64, 8, 2, 64, 8, 2},
/* 176.4k rate */
{12000000, 176400, 7, 5264, 32, 8, 2, 32, 8, 2},
{12000000, 176400, 8, 4672, 32, 6, 3, 32, 6, 3},
{12500000, 176400, 7, 2253, 32, 8, 2, 32, 8, 2},
/* 192k rate */
{12000000, 192000, 8, 1920, 32, 8, 2, 32, 8, 2},
{12000000, 192000, 7, 6800, 24, 5, 4, 24, 5, 4},
{12500000, 192000, 7, 8643, 32, 8, 2, 32, 8, 2},
};
static const char * const ldac_in_text[] = {
"Off", "Left Data", "Right Data", "Mono"
};
static const char * const rdac_in_text[] = {
"Off", "Right Data", "Left Data", "Mono"
};
static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
static const char * const mic_select_text[] = {
"Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
};
static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
mic_select_text);
static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
mic_select_text);
static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
mic_select_text);
static SOC_ENUM_SINGLE_DECL(cm_m_enum, AIC31XX_MICPGAMI, 6, mic_select_text);
static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
mic_select_text);
static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
/*
* controls to be exported to the user space
*/
static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),
SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
adc_fgain_tlv),
SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
0, -24, 40, 6, 0, adc_cgain_tlv),
SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
119, 0, mic_pga_tlv),
SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
AIC31XX_HPRGAIN, 2, 1, 0),
SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
};
static const struct snd_kcontrol_new aic311x_snd_controls[] = {
SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
AIC31XX_SPRGAIN, 2, 1, 0),
SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),
SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
};
static const struct snd_kcontrol_new aic310x_snd_controls[] = {
SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
2, 1, 0),
SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
3, 3, 0, class_D_drv_tlv),
SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
0, 0x7F, 1, sp_vol_tlv),
};
static const struct snd_kcontrol_new ldac_in_control =
SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
static const struct snd_kcontrol_new rdac_in_control =
SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
unsigned int mask, unsigned int wbits, int sleep,
int count)
{
unsigned int bits;
int counter = count;
int ret = regmap_read(aic31xx->regmap, reg, &bits);
while ((bits & mask) != wbits && counter && !ret) {
usleep_range(sleep, sleep * 2);
ret = regmap_read(aic31xx->regmap, reg, &bits);
counter--;
}
if ((bits & mask) != wbits) {
dev_err(aic31xx->dev,
"%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
__func__, reg, bits, wbits, ret, mask,
(count - counter) * sleep);
ret = -1;
}
return ret;
}
#define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))
static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
unsigned int reg = AIC31XX_DACFLAG1;
unsigned int mask;
switch (WIDGET_BIT(w->reg, w->shift)) {
case WIDGET_BIT(AIC31XX_DACSETUP, 7):
mask = AIC31XX_LDACPWRSTATUS_MASK;
break;
case WIDGET_BIT(AIC31XX_DACSETUP, 6):
mask = AIC31XX_RDACPWRSTATUS_MASK;
break;
case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
break;
case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
break;
case WIDGET_BIT(AIC31XX_SPKAMP, 7):
mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
break;
case WIDGET_BIT(AIC31XX_SPKAMP, 6):
mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
break;
case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
mask = AIC31XX_ADCPWRSTATUS_MASK;
reg = AIC31XX_ADCFLAG;
break;
default:
dev_err(codec->dev, "Unknown widget '%s' calling %s\n",
w->name, __func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_POST_PMU:
return aic31xx_wait_bits(aic31xx, reg, mask, mask, 5000, 100);
case SND_SOC_DAPM_POST_PMD:
return aic31xx_wait_bits(aic31xx, reg, mask, 0, 5000, 100);
default:
dev_dbg(codec->dev,
"Unhandled dapm widget event %d from %s\n",
event, w->name);
}
return 0;
}
static const struct snd_kcontrol_new left_output_switches[] = {
SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
};
static const struct snd_kcontrol_new right_output_switches[] = {
SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
};
static const struct snd_kcontrol_new p_term_mic1lp =
SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
static const struct snd_kcontrol_new p_term_mic1rp =
SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
static const struct snd_kcontrol_new p_term_mic1lm =
SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
static const struct snd_kcontrol_new m_term_mic1lm =
SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
static int mic_bias_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
/* change mic bias voltage to user defined */
snd_soc_update_bits(codec, AIC31XX_MICBIAS,
AIC31XX_MICBIAS_MASK,
aic31xx->pdata.micbias_vg <<
AIC31XX_MICBIAS_SHIFT);
dev_dbg(codec->dev, "%s: turned on\n", __func__);
break;
case SND_SOC_DAPM_PRE_PMD:
/* turn mic bias off */
snd_soc_update_bits(codec, AIC31XX_MICBIAS,
AIC31XX_MICBIAS_MASK, 0);
dev_dbg(codec->dev, "%s: turned off\n", __func__);
break;
}
return 0;
}
static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
SND_SOC_DAPM_AIF_IN("DAC IN", "DAC Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_MUX("DAC Left Input",
SND_SOC_NOPM, 0, 0, &ldac_in_control),
SND_SOC_DAPM_MUX("DAC Right Input",
SND_SOC_NOPM, 0, 0, &rdac_in_control),
/* DACs */
SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* Output Mixers */
SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
left_output_switches,
ARRAY_SIZE(left_output_switches)),
SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
right_output_switches,
ARRAY_SIZE(right_output_switches)),
SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
&aic31xx_dapm_hpl_switch),
SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
&aic31xx_dapm_hpr_switch),
/* Output drivers */
SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
NULL, 0, aic31xx_dapm_power_event,
SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
NULL, 0, aic31xx_dapm_power_event,
SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
/* ADC */
SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
/* Input Selection to MIC_PGA */
SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
&p_term_mic1lp),
SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
&p_term_mic1rp),
SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
&p_term_mic1lm),
SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
&m_term_mic1lm),
/* Enabling & Disabling MIC Gain Ctl */
SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
7, 1, NULL, 0),
/* Mic Bias */
SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
/* Outputs */
SND_SOC_DAPM_OUTPUT("HPL"),
SND_SOC_DAPM_OUTPUT("HPR"),
/* Inputs */
SND_SOC_DAPM_INPUT("MIC1LP"),
SND_SOC_DAPM_INPUT("MIC1RP"),
SND_SOC_DAPM_INPUT("MIC1LM"),
};
static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
/* AIC3111 and AIC3110 have stereo class-D amplifier */
SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
&aic31xx_dapm_spl_switch),
SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
&aic31xx_dapm_spr_switch),
SND_SOC_DAPM_OUTPUT("SPL"),
SND_SOC_DAPM_OUTPUT("SPR"),
};
/* AIC3100 and AIC3120 have only mono class-D amplifier */
static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
&aic31xx_dapm_spl_switch),
SND_SOC_DAPM_OUTPUT("SPK"),
};
static const struct snd_soc_dapm_route
aic31xx_audio_map[] = {
/* DAC Input Routing */
{"DAC Left Input", "Left Data", "DAC IN"},
{"DAC Left Input", "Right Data", "DAC IN"},
{"DAC Left Input", "Mono", "DAC IN"},
{"DAC Right Input", "Left Data", "DAC IN"},
{"DAC Right Input", "Right Data", "DAC IN"},
{"DAC Right Input", "Mono", "DAC IN"},
{"DAC Left", NULL, "DAC Left Input"},
{"DAC Right", NULL, "DAC Right Input"},
/* Mic input */
{"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
{"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
{"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
{"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
{"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
{"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
{"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
{"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
{"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
{"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
{"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
{"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
{"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
{"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
{"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
{"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
{"ADC", NULL, "MIC_GAIN_CTL"},
/* Left Output */
{"Output Left", "From Left DAC", "DAC Left"},
{"Output Left", "From MIC1LP", "MIC1LP"},
{"Output Left", "From MIC1RP", "MIC1RP"},
/* Right Output */
{"Output Right", "From Right DAC", "DAC Right"},
{"Output Right", "From MIC1RP", "MIC1RP"},
/* HPL path */
{"HP Left", "Switch", "Output Left"},
{"HPL Driver", NULL, "HP Left"},
{"HPL", NULL, "HPL Driver"},
/* HPR path */
{"HP Right", "Switch", "Output Right"},
{"HPR Driver", NULL, "HP Right"},
{"HPR", NULL, "HPR Driver"},
};
static const struct snd_soc_dapm_route
aic311x_audio_map[] = {
/* SP L path */
{"Speaker Left", "Switch", "Output Left"},
{"SPL ClassD", NULL, "Speaker Left"},
{"SPL", NULL, "SPL ClassD"},
/* SP R path */
{"Speaker Right", "Switch", "Output Right"},
{"SPR ClassD", NULL, "Speaker Right"},
{"SPR", NULL, "SPR ClassD"},
};
static const struct snd_soc_dapm_route
aic310x_audio_map[] = {
/* SP L path */
{"Speaker", "Switch", "Output Left"},
{"SPK ClassD", NULL, "Speaker"},
{"SPK", NULL, "SPK ClassD"},
};
static int aic31xx_add_controls(struct snd_soc_codec *codec)
{
int ret = 0;
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT)
ret = snd_soc_add_codec_controls(
codec, aic311x_snd_controls,
ARRAY_SIZE(aic311x_snd_controls));
else
ret = snd_soc_add_codec_controls(
codec, aic310x_snd_controls,
ARRAY_SIZE(aic310x_snd_controls));
return ret;
}
static int aic31xx_add_widgets(struct snd_soc_codec *codec)
{
struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
int ret = 0;
if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
ret = snd_soc_dapm_new_controls(
dapm, aic311x_dapm_widgets,
ARRAY_SIZE(aic311x_dapm_widgets));
if (ret)
return ret;
ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
ARRAY_SIZE(aic311x_audio_map));
if (ret)
return ret;
} else {
ret = snd_soc_dapm_new_controls(
dapm, aic310x_dapm_widgets,
ARRAY_SIZE(aic310x_dapm_widgets));
if (ret)
return ret;
ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
ARRAY_SIZE(aic310x_audio_map));
if (ret)
return ret;
}
return 0;
}
static int aic31xx_setup_pll(struct snd_soc_codec *codec,
struct snd_pcm_hw_params *params)
{
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
int bclk_score = snd_soc_params_to_frame_size(params);
int mclk_p = aic31xx->sysclk / aic31xx->p_div;
int bclk_n = 0;
int match = -1;
int i;
/* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
snd_soc_update_bits(codec, AIC31XX_CLKMUX,
AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
snd_soc_update_bits(codec, AIC31XX_IFACE2,
AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
if (aic31xx_divs[i].rate == params_rate(params) &&
aic31xx_divs[i].mclk_p == mclk_p) {
int s = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
snd_soc_params_to_frame_size(params);
int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
snd_soc_params_to_frame_size(params);
if (s < bclk_score && bn > 0) {
match = i;
bclk_n = bn;
bclk_score = s;
}
}
}
if (match == -1) {
dev_err(codec->dev,
"%s: Sample rate (%u) and format not supported\n",
__func__, params_rate(params));
/* See bellow for details how fix this. */
return -EINVAL;
}
if (bclk_score != 0) {
dev_warn(codec->dev, "Can not produce exact bitclock");
/* This is fine if using dsp format, but if using i2s
there may be trouble. To fix the issue edit the
aic31xx_divs table for your mclk and sample
rate. Details can be found from:
http://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
Section: 5.6 CLOCK Generation and PLL
*/
}
i = match;
/* PLL configuration */
snd_soc_update_bits(codec, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
(aic31xx->p_div << 4) | 0x01);
snd_soc_write(codec, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
snd_soc_write(codec, AIC31XX_PLLDMSB,
aic31xx_divs[i].pll_d >> 8);
snd_soc_write(codec, AIC31XX_PLLDLSB,
aic31xx_divs[i].pll_d & 0xff);
/* DAC dividers configuration */
snd_soc_update_bits(codec, AIC31XX_NDAC, AIC31XX_PLL_MASK,
aic31xx_divs[i].ndac);
snd_soc_update_bits(codec, AIC31XX_MDAC, AIC31XX_PLL_MASK,
aic31xx_divs[i].mdac);
snd_soc_write(codec, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
snd_soc_write(codec, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
/* ADC dividers configuration. Write reset value 1 if not used. */
snd_soc_update_bits(codec, AIC31XX_NADC, AIC31XX_PLL_MASK,
aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
snd_soc_update_bits(codec, AIC31XX_MADC, AIC31XX_PLL_MASK,
aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
snd_soc_write(codec, AIC31XX_AOSR, aic31xx_divs[i].aosr);
/* Bit clock divider configuration. */
snd_soc_update_bits(codec, AIC31XX_BCLKN,
AIC31XX_PLL_MASK, bclk_n);
aic31xx->rate_div_line = i;
dev_dbg(codec->dev,
"pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
aic31xx_divs[i].pll_j, aic31xx_divs[i].pll_d,
aic31xx->p_div, aic31xx_divs[i].dosr,
aic31xx_divs[i].ndac, aic31xx_divs[i].mdac,
aic31xx_divs[i].aosr, aic31xx_divs[i].nadc,
aic31xx_divs[i].madc, bclk_n);
return 0;
}
static int aic31xx_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
u8 data = 0;
dev_dbg(codec->dev, "## %s: width %d rate %d\n",
__func__, params_width(params),
params_rate(params));
switch (params_width(params)) {
case 16:
break;
case 20:
data = (AIC31XX_WORD_LEN_20BITS <<
AIC31XX_IFACE1_DATALEN_SHIFT);
break;
case 24:
data = (AIC31XX_WORD_LEN_24BITS <<
AIC31XX_IFACE1_DATALEN_SHIFT);
break;
case 32:
data = (AIC31XX_WORD_LEN_32BITS <<
AIC31XX_IFACE1_DATALEN_SHIFT);
break;
default:
dev_err(codec->dev, "%s: Unsupported width %d\n",
__func__, params_width(params));
return -EINVAL;
}
snd_soc_update_bits(codec, AIC31XX_IFACE1,
AIC31XX_IFACE1_DATALEN_MASK,
data);
return aic31xx_setup_pll(codec, params);
}
static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute)
{
struct snd_soc_codec *codec = codec_dai->codec;
if (mute) {
snd_soc_update_bits(codec, AIC31XX_DACMUTE,
AIC31XX_DACMUTE_MASK,
AIC31XX_DACMUTE_MASK);
} else {
snd_soc_update_bits(codec, AIC31XX_DACMUTE,
AIC31XX_DACMUTE_MASK, 0x0);
}
return 0;
}
static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
u8 iface_reg1 = 0;
u8 iface_reg2 = 0;
u8 dsp_a_val = 0;
dev_dbg(codec->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
break;
default:
dev_alert(codec->dev, "Invalid DAI master/slave interface\n");
return -EINVAL;
}
/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
break;
case SND_SOC_DAIFMT_DSP_A:
dsp_a_val = 0x1;
case SND_SOC_DAIFMT_DSP_B:
/* NOTE: BCLKINV bit value 1 equas NB and 0 equals IB */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
iface_reg2 |= AIC31XX_BCLKINV_MASK;
break;
case SND_SOC_DAIFMT_IB_NF:
break;
default:
return -EINVAL;
}
iface_reg1 |= (AIC31XX_DSP_MODE <<
AIC31XX_IFACE1_DATATYPE_SHIFT);
break;
case SND_SOC_DAIFMT_RIGHT_J:
iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
AIC31XX_IFACE1_DATATYPE_SHIFT);
break;
case SND_SOC_DAIFMT_LEFT_J:
iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
AIC31XX_IFACE1_DATATYPE_SHIFT);
break;
default:
dev_err(codec->dev, "Invalid DAI interface format\n");
return -EINVAL;
}
snd_soc_update_bits(codec, AIC31XX_IFACE1,
AIC31XX_IFACE1_DATATYPE_MASK |
AIC31XX_IFACE1_MASTER_MASK,
iface_reg1);
snd_soc_update_bits(codec, AIC31XX_DATA_OFFSET,
AIC31XX_DATA_OFFSET_MASK,
dsp_a_val);
snd_soc_update_bits(codec, AIC31XX_IFACE2,
AIC31XX_BCLKINV_MASK,
iface_reg2);
return 0;
}
static int aic31xx_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 aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
int i;
dev_dbg(codec->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
__func__, clk_id, freq, dir);
for (i = 1; freq/i > 20000000 && i < 8; i++)
;
if (freq/i > 20000000) {
dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
__func__, freq);
return -EINVAL;
}
aic31xx->p_div = i;
for (i = 0; i < ARRAY_SIZE(aic31xx_divs) &&
aic31xx_divs[i].mclk_p != freq/aic31xx->p_div; i++)
;
if (i == ARRAY_SIZE(aic31xx_divs)) {
dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
__func__, freq);
return -EINVAL;
}
/* set clock on MCLK, BCLK, or GPIO1 as PLL input */
snd_soc_update_bits(codec, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
clk_id << AIC31XX_PLL_CLKIN_SHIFT);
aic31xx->sysclk = freq;
return 0;
}
static int aic31xx_regulator_event(struct notifier_block *nb,
unsigned long event, void *data)
{
struct aic31xx_disable_nb *disable_nb =
container_of(nb, struct aic31xx_disable_nb, nb);
struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
if (event & REGULATOR_EVENT_DISABLE) {
/*
* Put codec to reset and as at least one of the
* supplies was disabled.
*/
if (gpio_is_valid(aic31xx->pdata.gpio_reset))
gpio_set_value(aic31xx->pdata.gpio_reset, 0);
regcache_mark_dirty(aic31xx->regmap);
dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
}
return 0;
}
static void aic31xx_clk_on(struct snd_soc_codec *codec)
{
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
u8 mask = AIC31XX_PM_MASK;
u8 on = AIC31XX_PM_MASK;
dev_dbg(codec->dev, "codec clock -> on (rate %d)\n",
aic31xx_divs[aic31xx->rate_div_line].rate);
snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, on);
mdelay(10);
snd_soc_update_bits(codec, AIC31XX_NDAC, mask, on);
snd_soc_update_bits(codec, AIC31XX_MDAC, mask, on);
if (aic31xx_divs[aic31xx->rate_div_line].nadc)
snd_soc_update_bits(codec, AIC31XX_NADC, mask, on);
if (aic31xx_divs[aic31xx->rate_div_line].madc)
snd_soc_update_bits(codec, AIC31XX_MADC, mask, on);
snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, on);
}
static void aic31xx_clk_off(struct snd_soc_codec *codec)
{
u8 mask = AIC31XX_PM_MASK;
u8 off = 0;
dev_dbg(codec->dev, "codec clock -> off\n");
snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, off);
snd_soc_update_bits(codec, AIC31XX_MADC, mask, off);
snd_soc_update_bits(codec, AIC31XX_NADC, mask, off);
snd_soc_update_bits(codec, AIC31XX_MDAC, mask, off);
snd_soc_update_bits(codec, AIC31XX_NDAC, mask, off);
snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, off);
}
static int aic31xx_power_on(struct snd_soc_codec *codec)
{
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
int ret = 0;
ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
aic31xx->supplies);
if (ret)
return ret;
if (gpio_is_valid(aic31xx->pdata.gpio_reset)) {
gpio_set_value(aic31xx->pdata.gpio_reset, 1);
udelay(100);
}
regcache_cache_only(aic31xx->regmap, false);
ret = regcache_sync(aic31xx->regmap);
if (ret != 0) {
dev_err(codec->dev,
"Failed to restore cache: %d\n", ret);
regcache_cache_only(aic31xx->regmap, true);
regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
aic31xx->supplies);
return ret;
}
return 0;
}
static int aic31xx_power_off(struct snd_soc_codec *codec)
{
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
int ret = 0;
regcache_cache_only(aic31xx->regmap, true);
ret = regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
aic31xx->supplies);
return ret;
}
static int aic31xx_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
dev_dbg(codec->dev, "## %s: %d -> %d\n", __func__,
snd_soc_codec_get_bias_level(codec), level);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
aic31xx_clk_on(codec);
break;
case SND_SOC_BIAS_STANDBY:
switch (snd_soc_codec_get_bias_level(codec)) {
case SND_SOC_BIAS_OFF:
aic31xx_power_on(codec);
break;
case SND_SOC_BIAS_PREPARE:
aic31xx_clk_off(codec);
break;
default:
BUG();
}
break;
case SND_SOC_BIAS_OFF:
if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
aic31xx_power_off(codec);
break;
}
return 0;
}
static int aic31xx_codec_probe(struct snd_soc_codec *codec)
{
int ret = 0;
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
int i;
dev_dbg(aic31xx->dev, "## %s\n", __func__);
aic31xx = snd_soc_codec_get_drvdata(codec);
aic31xx->codec = codec;
for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
aic31xx->disable_nb[i].nb.notifier_call =
aic31xx_regulator_event;
aic31xx->disable_nb[i].aic31xx = aic31xx;
ret = regulator_register_notifier(aic31xx->supplies[i].consumer,
&aic31xx->disable_nb[i].nb);
if (ret) {
dev_err(codec->dev,
"Failed to request regulator notifier: %d\n",
ret);
return ret;
}
}
regcache_cache_only(aic31xx->regmap, true);
regcache_mark_dirty(aic31xx->regmap);
ret = aic31xx_add_controls(codec);
if (ret)
return ret;
ret = aic31xx_add_widgets(codec);
return ret;
}
static int aic31xx_codec_remove(struct snd_soc_codec *codec)
{
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
int i;
for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
regulator_unregister_notifier(aic31xx->supplies[i].consumer,
&aic31xx->disable_nb[i].nb);
return 0;
}
static struct snd_soc_codec_driver soc_codec_driver_aic31xx = {
.probe = aic31xx_codec_probe,
.remove = aic31xx_codec_remove,
.set_bias_level = aic31xx_set_bias_level,
.suspend_bias_off = true,
.controls = aic31xx_snd_controls,
.num_controls = ARRAY_SIZE(aic31xx_snd_controls),
.dapm_widgets = aic31xx_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(aic31xx_dapm_widgets),
.dapm_routes = aic31xx_audio_map,
.num_dapm_routes = ARRAY_SIZE(aic31xx_audio_map),
};
static const struct snd_soc_dai_ops aic31xx_dai_ops = {
.hw_params = aic31xx_hw_params,
.set_sysclk = aic31xx_set_dai_sysclk,
.set_fmt = aic31xx_set_dai_fmt,
.digital_mute = aic31xx_dac_mute,
};
static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
{
.name = "tlv320aic31xx-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = AIC31XX_RATES,
.formats = AIC31XX_FORMATS,
},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = AIC31XX_RATES,
.formats = AIC31XX_FORMATS,
},
.ops = &aic31xx_dai_ops,
.symmetric_rates = 1,
}
};
#if defined(CONFIG_OF)
static const struct of_device_id tlv320aic31xx_of_match[] = {
{ .compatible = "ti,tlv320aic310x" },
{ .compatible = "ti,tlv320aic311x" },
{ .compatible = "ti,tlv320aic3100" },
{ .compatible = "ti,tlv320aic3110" },
{ .compatible = "ti,tlv320aic3120" },
{ .compatible = "ti,tlv320aic3111" },
{},
};
MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx)
{
struct device_node *np = aic31xx->dev->of_node;
unsigned int value = MICBIAS_2_0V;
int ret;
of_property_read_u32(np, "ai31xx-micbias-vg", &value);
switch (value) {
case MICBIAS_2_0V:
case MICBIAS_2_5V:
case MICBIAS_AVDDV:
aic31xx->pdata.micbias_vg = value;
break;
default:
dev_err(aic31xx->dev,
"Bad ai31xx-micbias-vg value %d DT\n",
value);
aic31xx->pdata.micbias_vg = MICBIAS_2_0V;
}
ret = of_get_named_gpio(np, "gpio-reset", 0);
if (ret > 0)
aic31xx->pdata.gpio_reset = ret;
}
#else /* CONFIG_OF */
static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx)
{
}
#endif /* CONFIG_OF */
static int aic31xx_device_init(struct aic31xx_priv *aic31xx)
{
int ret, i;
dev_set_drvdata(aic31xx->dev, aic31xx);
if (dev_get_platdata(aic31xx->dev))
memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev),
sizeof(aic31xx->pdata));
else if (aic31xx->dev->of_node)
aic31xx_pdata_from_of(aic31xx);
if (aic31xx->pdata.gpio_reset) {
ret = devm_gpio_request_one(aic31xx->dev,
aic31xx->pdata.gpio_reset,
GPIOF_OUT_INIT_HIGH,
"aic31xx-reset-pin");
if (ret < 0) {
dev_err(aic31xx->dev, "not able to acquire gpio\n");
return ret;
}
}
for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
aic31xx->supplies[i].supply = aic31xx_supply_names[i];
ret = devm_regulator_bulk_get(aic31xx->dev,
ARRAY_SIZE(aic31xx->supplies),
aic31xx->supplies);
if (ret != 0)
dev_err(aic31xx->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
static int aic31xx_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct aic31xx_priv *aic31xx;
int ret;
const struct regmap_config *regmap_config;
dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
id->name, (int) id->driver_data);
regmap_config = &aic31xx_i2c_regmap;
aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
if (aic31xx == NULL)
return -ENOMEM;
aic31xx->regmap = devm_regmap_init_i2c(i2c, regmap_config);
if (IS_ERR(aic31xx->regmap)) {
ret = PTR_ERR(aic31xx->regmap);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
ret);
return ret;
}
aic31xx->dev = &i2c->dev;
aic31xx->pdata.codec_type = id->driver_data;
ret = aic31xx_device_init(aic31xx);
if (ret)
return ret;
return snd_soc_register_codec(&i2c->dev, &soc_codec_driver_aic31xx,
aic31xx_dai_driver,
ARRAY_SIZE(aic31xx_dai_driver));
}
static int aic31xx_i2c_remove(struct i2c_client *i2c)
{
snd_soc_unregister_codec(&i2c->dev);
return 0;
}
static const struct i2c_device_id aic31xx_i2c_id[] = {
{ "tlv320aic310x", AIC3100 },
{ "tlv320aic311x", AIC3110 },
{ "tlv320aic3100", AIC3100 },
{ "tlv320aic3110", AIC3110 },
{ "tlv320aic3120", AIC3120 },
{ "tlv320aic3111", AIC3111 },
{ }
};
MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
static struct i2c_driver aic31xx_i2c_driver = {
.driver = {
.name = "tlv320aic31xx-codec",
.of_match_table = of_match_ptr(tlv320aic31xx_of_match),
},
.probe = aic31xx_i2c_probe,
.remove = aic31xx_i2c_remove,
.id_table = aic31xx_i2c_id,
};
module_i2c_driver(aic31xx_i2c_driver);
MODULE_DESCRIPTION("ASoC TLV320AIC3111 codec driver");
MODULE_AUTHOR("Jyri Sarha");
MODULE_LICENSE("GPL");
