forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
614 lines
17 KiB
614 lines
17 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* ALSA SoC TLV320AIC23 codec driver |
|
* |
|
* Author: Arun KS, <[email protected]> |
|
* Copyright: (C) 2008 Mistral Solutions Pvt Ltd., |
|
* |
|
* Based on sound/soc/codecs/wm8731.c by Richard Purdie |
|
* |
|
* Notes: |
|
* The AIC23 is a driver for a low power stereo audio |
|
* codec tlv320aic23 |
|
* |
|
* The machine layer should disable unsupported inputs/outputs by |
|
* snd_soc_dapm_disable_pin(codec, "LHPOUT"), etc. |
|
*/ |
|
|
|
#include <linux/module.h> |
|
#include <linux/moduleparam.h> |
|
#include <linux/init.h> |
|
#include <linux/delay.h> |
|
#include <linux/pm.h> |
|
#include <linux/regmap.h> |
|
#include <linux/slab.h> |
|
#include <sound/core.h> |
|
#include <sound/pcm.h> |
|
#include <sound/pcm_params.h> |
|
#include <sound/soc.h> |
|
#include <sound/tlv.h> |
|
#include <sound/initval.h> |
|
|
|
#include "tlv320aic23.h" |
|
|
|
/* |
|
* AIC23 register cache |
|
*/ |
|
static const struct reg_default tlv320aic23_reg[] = { |
|
{ 0, 0x0097 }, |
|
{ 1, 0x0097 }, |
|
{ 2, 0x00F9 }, |
|
{ 3, 0x00F9 }, |
|
{ 4, 0x001A }, |
|
{ 5, 0x0004 }, |
|
{ 6, 0x0007 }, |
|
{ 7, 0x0001 }, |
|
{ 8, 0x0020 }, |
|
{ 9, 0x0000 }, |
|
}; |
|
|
|
const struct regmap_config tlv320aic23_regmap = { |
|
.reg_bits = 7, |
|
.val_bits = 9, |
|
|
|
.max_register = TLV320AIC23_RESET, |
|
.reg_defaults = tlv320aic23_reg, |
|
.num_reg_defaults = ARRAY_SIZE(tlv320aic23_reg), |
|
.cache_type = REGCACHE_RBTREE, |
|
}; |
|
EXPORT_SYMBOL(tlv320aic23_regmap); |
|
|
|
static const char *rec_src_text[] = { "Line", "Mic" }; |
|
static const char *deemph_text[] = {"None", "32Khz", "44.1Khz", "48Khz"}; |
|
|
|
static SOC_ENUM_SINGLE_DECL(rec_src_enum, |
|
TLV320AIC23_ANLG, 2, rec_src_text); |
|
|
|
static const struct snd_kcontrol_new tlv320aic23_rec_src_mux_controls = |
|
SOC_DAPM_ENUM("Input Select", rec_src_enum); |
|
|
|
static SOC_ENUM_SINGLE_DECL(tlv320aic23_deemph, |
|
TLV320AIC23_DIGT, 1, deemph_text); |
|
|
|
static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -12100, 100, 0); |
|
static const DECLARE_TLV_DB_SCALE(input_gain_tlv, -1725, 75, 0); |
|
static const DECLARE_TLV_DB_SCALE(sidetone_vol_tlv, -1800, 300, 0); |
|
|
|
static int snd_soc_tlv320aic23_put_volsw(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_value *ucontrol) |
|
{ |
|
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
|
u16 val, reg; |
|
|
|
val = (ucontrol->value.integer.value[0] & 0x07); |
|
|
|
/* linear conversion to userspace |
|
* 000 = -6db |
|
* 001 = -9db |
|
* 010 = -12db |
|
* 011 = -18db (Min) |
|
* 100 = 0db (Max) |
|
*/ |
|
val = (val >= 4) ? 4 : (3 - val); |
|
|
|
reg = snd_soc_component_read(component, TLV320AIC23_ANLG) & (~0x1C0); |
|
snd_soc_component_write(component, TLV320AIC23_ANLG, reg | (val << 6)); |
|
|
|
return 0; |
|
} |
|
|
|
static int snd_soc_tlv320aic23_get_volsw(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_value *ucontrol) |
|
{ |
|
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
|
u16 val; |
|
|
|
val = snd_soc_component_read(component, TLV320AIC23_ANLG) & (0x1C0); |
|
val = val >> 6; |
|
val = (val >= 4) ? 4 : (3 - val); |
|
ucontrol->value.integer.value[0] = val; |
|
return 0; |
|
|
|
} |
|
|
|
static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = { |
|
SOC_DOUBLE_R_TLV("Digital Playback Volume", TLV320AIC23_LCHNVOL, |
|
TLV320AIC23_RCHNVOL, 0, 127, 0, out_gain_tlv), |
|
SOC_SINGLE("Digital Playback Switch", TLV320AIC23_DIGT, 3, 1, 1), |
|
SOC_DOUBLE_R("Line Input Switch", TLV320AIC23_LINVOL, |
|
TLV320AIC23_RINVOL, 7, 1, 0), |
|
SOC_DOUBLE_R_TLV("Line Input Volume", TLV320AIC23_LINVOL, |
|
TLV320AIC23_RINVOL, 0, 31, 0, input_gain_tlv), |
|
SOC_SINGLE("Mic Input Switch", TLV320AIC23_ANLG, 1, 1, 1), |
|
SOC_SINGLE("Mic Booster Switch", TLV320AIC23_ANLG, 0, 1, 0), |
|
SOC_SINGLE_EXT_TLV("Sidetone Volume", TLV320AIC23_ANLG, 6, 4, 0, |
|
snd_soc_tlv320aic23_get_volsw, |
|
snd_soc_tlv320aic23_put_volsw, sidetone_vol_tlv), |
|
SOC_ENUM("Playback De-emphasis", tlv320aic23_deemph), |
|
}; |
|
|
|
/* PGA Mixer controls for Line and Mic switch */ |
|
static const struct snd_kcontrol_new tlv320aic23_output_mixer_controls[] = { |
|
SOC_DAPM_SINGLE("Line Bypass Switch", TLV320AIC23_ANLG, 3, 1, 0), |
|
SOC_DAPM_SINGLE("Mic Sidetone Switch", TLV320AIC23_ANLG, 5, 1, 0), |
|
SOC_DAPM_SINGLE("Playback Switch", TLV320AIC23_ANLG, 4, 1, 0), |
|
}; |
|
|
|
static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { |
|
SND_SOC_DAPM_DAC("DAC", "Playback", TLV320AIC23_PWR, 3, 1), |
|
SND_SOC_DAPM_ADC("ADC", "Capture", TLV320AIC23_PWR, 2, 1), |
|
SND_SOC_DAPM_MUX("Capture Source", SND_SOC_NOPM, 0, 0, |
|
&tlv320aic23_rec_src_mux_controls), |
|
SND_SOC_DAPM_MIXER("Output Mixer", TLV320AIC23_PWR, 4, 1, |
|
&tlv320aic23_output_mixer_controls[0], |
|
ARRAY_SIZE(tlv320aic23_output_mixer_controls)), |
|
SND_SOC_DAPM_PGA("Line Input", TLV320AIC23_PWR, 0, 1, NULL, 0), |
|
SND_SOC_DAPM_PGA("Mic Input", TLV320AIC23_PWR, 1, 1, NULL, 0), |
|
|
|
SND_SOC_DAPM_OUTPUT("LHPOUT"), |
|
SND_SOC_DAPM_OUTPUT("RHPOUT"), |
|
SND_SOC_DAPM_OUTPUT("LOUT"), |
|
SND_SOC_DAPM_OUTPUT("ROUT"), |
|
|
|
SND_SOC_DAPM_INPUT("LLINEIN"), |
|
SND_SOC_DAPM_INPUT("RLINEIN"), |
|
|
|
SND_SOC_DAPM_INPUT("MICIN"), |
|
}; |
|
|
|
static const struct snd_soc_dapm_route tlv320aic23_intercon[] = { |
|
/* Output Mixer */ |
|
{"Output Mixer", "Line Bypass Switch", "Line Input"}, |
|
{"Output Mixer", "Playback Switch", "DAC"}, |
|
{"Output Mixer", "Mic Sidetone Switch", "Mic Input"}, |
|
|
|
/* Outputs */ |
|
{"RHPOUT", NULL, "Output Mixer"}, |
|
{"LHPOUT", NULL, "Output Mixer"}, |
|
{"LOUT", NULL, "Output Mixer"}, |
|
{"ROUT", NULL, "Output Mixer"}, |
|
|
|
/* Inputs */ |
|
{"Line Input", NULL, "LLINEIN"}, |
|
{"Line Input", NULL, "RLINEIN"}, |
|
{"Mic Input", NULL, "MICIN"}, |
|
|
|
/* input mux */ |
|
{"Capture Source", "Line", "Line Input"}, |
|
{"Capture Source", "Mic", "Mic Input"}, |
|
{"ADC", NULL, "Capture Source"}, |
|
|
|
}; |
|
|
|
/* AIC23 driver data */ |
|
struct aic23 { |
|
struct regmap *regmap; |
|
int mclk; |
|
int requested_adc; |
|
int requested_dac; |
|
}; |
|
|
|
/* |
|
* Common Crystals used |
|
* 11.2896 Mhz /128 = *88.2k /192 = 58.8k |
|
* 12.0000 Mhz /125 = *96k /136 = 88.235K |
|
* 12.2880 Mhz /128 = *96k /192 = 64k |
|
* 16.9344 Mhz /128 = 132.3k /192 = *88.2k |
|
* 18.4320 Mhz /128 = 144k /192 = *96k |
|
*/ |
|
|
|
/* |
|
* Normal BOSR 0-256/2 = 128, 1-384/2 = 192 |
|
* USB BOSR 0-250/2 = 125, 1-272/2 = 136 |
|
*/ |
|
static const int bosr_usb_divisor_table[] = { |
|
128, 125, 192, 136 |
|
}; |
|
#define LOWER_GROUP ((1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<6) | (1<<7)) |
|
#define UPPER_GROUP ((1<<8) | (1<<9) | (1<<10) | (1<<11) | (1<<15)) |
|
static const unsigned short sr_valid_mask[] = { |
|
LOWER_GROUP|UPPER_GROUP, /* Normal, bosr - 0*/ |
|
LOWER_GROUP, /* Usb, bosr - 0*/ |
|
LOWER_GROUP|UPPER_GROUP, /* Normal, bosr - 1*/ |
|
UPPER_GROUP, /* Usb, bosr - 1*/ |
|
}; |
|
/* |
|
* Every divisor is a factor of 11*12 |
|
*/ |
|
#define SR_MULT (11*12) |
|
#define A(x) (SR_MULT/x) |
|
static const unsigned char sr_adc_mult_table[] = { |
|
A(2), A(2), A(12), A(12), 0, 0, A(3), A(1), |
|
A(2), A(2), A(11), A(11), 0, 0, 0, A(1) |
|
}; |
|
static const unsigned char sr_dac_mult_table[] = { |
|
A(2), A(12), A(2), A(12), 0, 0, A(3), A(1), |
|
A(2), A(11), A(2), A(11), 0, 0, 0, A(1) |
|
}; |
|
|
|
static unsigned get_score(int adc, int adc_l, int adc_h, int need_adc, |
|
int dac, int dac_l, int dac_h, int need_dac) |
|
{ |
|
if ((adc >= adc_l) && (adc <= adc_h) && |
|
(dac >= dac_l) && (dac <= dac_h)) { |
|
int diff_adc = need_adc - adc; |
|
int diff_dac = need_dac - dac; |
|
return abs(diff_adc) + abs(diff_dac); |
|
} |
|
return UINT_MAX; |
|
} |
|
|
|
static int find_rate(int mclk, u32 need_adc, u32 need_dac) |
|
{ |
|
int i, j; |
|
int best_i = -1; |
|
int best_j = -1; |
|
int best_div = 0; |
|
unsigned best_score = UINT_MAX; |
|
int adc_l, adc_h, dac_l, dac_h; |
|
|
|
need_adc *= SR_MULT; |
|
need_dac *= SR_MULT; |
|
/* |
|
* rates given are +/- 1/32 |
|
*/ |
|
adc_l = need_adc - (need_adc >> 5); |
|
adc_h = need_adc + (need_adc >> 5); |
|
dac_l = need_dac - (need_dac >> 5); |
|
dac_h = need_dac + (need_dac >> 5); |
|
for (i = 0; i < ARRAY_SIZE(bosr_usb_divisor_table); i++) { |
|
int base = mclk / bosr_usb_divisor_table[i]; |
|
int mask = sr_valid_mask[i]; |
|
for (j = 0; j < ARRAY_SIZE(sr_adc_mult_table); |
|
j++, mask >>= 1) { |
|
int adc; |
|
int dac; |
|
int score; |
|
if ((mask & 1) == 0) |
|
continue; |
|
adc = base * sr_adc_mult_table[j]; |
|
dac = base * sr_dac_mult_table[j]; |
|
score = get_score(adc, adc_l, adc_h, need_adc, |
|
dac, dac_l, dac_h, need_dac); |
|
if (best_score > score) { |
|
best_score = score; |
|
best_i = i; |
|
best_j = j; |
|
best_div = 0; |
|
} |
|
score = get_score((adc >> 1), adc_l, adc_h, need_adc, |
|
(dac >> 1), dac_l, dac_h, need_dac); |
|
/* prefer to have a /2 */ |
|
if ((score != UINT_MAX) && (best_score >= score)) { |
|
best_score = score; |
|
best_i = i; |
|
best_j = j; |
|
best_div = 1; |
|
} |
|
} |
|
} |
|
return (best_j << 2) | best_i | (best_div << TLV320AIC23_CLKIN_SHIFT); |
|
} |
|
|
|
#ifdef DEBUG |
|
static void get_current_sample_rates(struct snd_soc_component *component, int mclk, |
|
u32 *sample_rate_adc, u32 *sample_rate_dac) |
|
{ |
|
int src = snd_soc_component_read(component, TLV320AIC23_SRATE); |
|
int sr = (src >> 2) & 0x0f; |
|
int val = (mclk / bosr_usb_divisor_table[src & 3]); |
|
int adc = (val * sr_adc_mult_table[sr]) / SR_MULT; |
|
int dac = (val * sr_dac_mult_table[sr]) / SR_MULT; |
|
if (src & TLV320AIC23_CLKIN_HALF) { |
|
adc >>= 1; |
|
dac >>= 1; |
|
} |
|
*sample_rate_adc = adc; |
|
*sample_rate_dac = dac; |
|
} |
|
#endif |
|
|
|
static int set_sample_rate_control(struct snd_soc_component *component, int mclk, |
|
u32 sample_rate_adc, u32 sample_rate_dac) |
|
{ |
|
/* Search for the right sample rate */ |
|
int data = find_rate(mclk, sample_rate_adc, sample_rate_dac); |
|
if (data < 0) { |
|
printk(KERN_ERR "%s:Invalid rate %u,%u requested\n", |
|
__func__, sample_rate_adc, sample_rate_dac); |
|
return -EINVAL; |
|
} |
|
snd_soc_component_write(component, TLV320AIC23_SRATE, data); |
|
#ifdef DEBUG |
|
{ |
|
u32 adc, dac; |
|
get_current_sample_rates(component, mclk, &adc, &dac); |
|
printk(KERN_DEBUG "actual samplerate = %u,%u reg=%x\n", |
|
adc, dac, data); |
|
} |
|
#endif |
|
return 0; |
|
} |
|
|
|
static int tlv320aic23_hw_params(struct snd_pcm_substream *substream, |
|
struct snd_pcm_hw_params *params, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct snd_soc_component *component = dai->component; |
|
u16 iface_reg; |
|
int ret; |
|
struct aic23 *aic23 = snd_soc_component_get_drvdata(component); |
|
u32 sample_rate_adc = aic23->requested_adc; |
|
u32 sample_rate_dac = aic23->requested_dac; |
|
u32 sample_rate = params_rate(params); |
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
|
aic23->requested_dac = sample_rate_dac = sample_rate; |
|
if (!sample_rate_adc) |
|
sample_rate_adc = sample_rate; |
|
} else { |
|
aic23->requested_adc = sample_rate_adc = sample_rate; |
|
if (!sample_rate_dac) |
|
sample_rate_dac = sample_rate; |
|
} |
|
ret = set_sample_rate_control(component, aic23->mclk, sample_rate_adc, |
|
sample_rate_dac); |
|
if (ret < 0) |
|
return ret; |
|
|
|
iface_reg = snd_soc_component_read(component, TLV320AIC23_DIGT_FMT) & ~(0x03 << 2); |
|
|
|
switch (params_width(params)) { |
|
case 16: |
|
break; |
|
case 20: |
|
iface_reg |= (0x01 << 2); |
|
break; |
|
case 24: |
|
iface_reg |= (0x02 << 2); |
|
break; |
|
case 32: |
|
iface_reg |= (0x03 << 2); |
|
break; |
|
} |
|
snd_soc_component_write(component, TLV320AIC23_DIGT_FMT, iface_reg); |
|
|
|
return 0; |
|
} |
|
|
|
static int tlv320aic23_pcm_prepare(struct snd_pcm_substream *substream, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct snd_soc_component *component = dai->component; |
|
|
|
/* set active */ |
|
snd_soc_component_write(component, TLV320AIC23_ACTIVE, 0x0001); |
|
|
|
return 0; |
|
} |
|
|
|
static void tlv320aic23_shutdown(struct snd_pcm_substream *substream, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct snd_soc_component *component = dai->component; |
|
struct aic23 *aic23 = snd_soc_component_get_drvdata(component); |
|
|
|
/* deactivate */ |
|
if (!snd_soc_component_active(component)) { |
|
udelay(50); |
|
snd_soc_component_write(component, TLV320AIC23_ACTIVE, 0x0); |
|
} |
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
|
aic23->requested_dac = 0; |
|
else |
|
aic23->requested_adc = 0; |
|
} |
|
|
|
static int tlv320aic23_mute(struct snd_soc_dai *dai, int mute, int direction) |
|
{ |
|
struct snd_soc_component *component = dai->component; |
|
u16 reg; |
|
|
|
reg = snd_soc_component_read(component, TLV320AIC23_DIGT); |
|
if (mute) |
|
reg |= TLV320AIC23_DACM_MUTE; |
|
|
|
else |
|
reg &= ~TLV320AIC23_DACM_MUTE; |
|
|
|
snd_soc_component_write(component, TLV320AIC23_DIGT, reg); |
|
|
|
return 0; |
|
} |
|
|
|
static int tlv320aic23_set_dai_fmt(struct snd_soc_dai *codec_dai, |
|
unsigned int fmt) |
|
{ |
|
struct snd_soc_component *component = codec_dai->component; |
|
u16 iface_reg; |
|
|
|
iface_reg = snd_soc_component_read(component, TLV320AIC23_DIGT_FMT) & (~0x03); |
|
|
|
switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { |
|
case SND_SOC_DAIFMT_CBP_CFP: |
|
iface_reg |= TLV320AIC23_MS_MASTER; |
|
break; |
|
case SND_SOC_DAIFMT_CBC_CFC: |
|
iface_reg &= ~TLV320AIC23_MS_MASTER; |
|
break; |
|
default: |
|
return -EINVAL; |
|
|
|
} |
|
|
|
/* interface format */ |
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
|
case SND_SOC_DAIFMT_I2S: |
|
iface_reg |= TLV320AIC23_FOR_I2S; |
|
break; |
|
case SND_SOC_DAIFMT_DSP_A: |
|
iface_reg |= TLV320AIC23_LRP_ON; |
|
fallthrough; |
|
case SND_SOC_DAIFMT_DSP_B: |
|
iface_reg |= TLV320AIC23_FOR_DSP; |
|
break; |
|
case SND_SOC_DAIFMT_RIGHT_J: |
|
break; |
|
case SND_SOC_DAIFMT_LEFT_J: |
|
iface_reg |= TLV320AIC23_FOR_LJUST; |
|
break; |
|
default: |
|
return -EINVAL; |
|
|
|
} |
|
|
|
snd_soc_component_write(component, TLV320AIC23_DIGT_FMT, iface_reg); |
|
|
|
return 0; |
|
} |
|
|
|
static int tlv320aic23_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
|
int clk_id, unsigned int freq, int dir) |
|
{ |
|
struct aic23 *aic23 = snd_soc_dai_get_drvdata(codec_dai); |
|
aic23->mclk = freq; |
|
return 0; |
|
} |
|
|
|
static int tlv320aic23_set_bias_level(struct snd_soc_component *component, |
|
enum snd_soc_bias_level level) |
|
{ |
|
u16 reg = snd_soc_component_read(component, TLV320AIC23_PWR) & 0x17f; |
|
|
|
switch (level) { |
|
case SND_SOC_BIAS_ON: |
|
/* vref/mid, osc on, dac unmute */ |
|
reg &= ~(TLV320AIC23_DEVICE_PWR_OFF | TLV320AIC23_OSC_OFF | \ |
|
TLV320AIC23_DAC_OFF); |
|
snd_soc_component_write(component, TLV320AIC23_PWR, reg); |
|
break; |
|
case SND_SOC_BIAS_PREPARE: |
|
break; |
|
case SND_SOC_BIAS_STANDBY: |
|
/* everything off except vref/vmid, */ |
|
snd_soc_component_write(component, TLV320AIC23_PWR, |
|
reg | TLV320AIC23_CLK_OFF); |
|
break; |
|
case SND_SOC_BIAS_OFF: |
|
/* everything off, dac mute, inactive */ |
|
snd_soc_component_write(component, TLV320AIC23_ACTIVE, 0x0); |
|
snd_soc_component_write(component, TLV320AIC23_PWR, 0x1ff); |
|
break; |
|
} |
|
return 0; |
|
} |
|
|
|
#define AIC23_RATES SNDRV_PCM_RATE_8000_96000 |
|
#define AIC23_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ |
|
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) |
|
|
|
static const struct snd_soc_dai_ops tlv320aic23_dai_ops = { |
|
.prepare = tlv320aic23_pcm_prepare, |
|
.hw_params = tlv320aic23_hw_params, |
|
.shutdown = tlv320aic23_shutdown, |
|
.mute_stream = tlv320aic23_mute, |
|
.set_fmt = tlv320aic23_set_dai_fmt, |
|
.set_sysclk = tlv320aic23_set_dai_sysclk, |
|
.no_capture_mute = 1, |
|
}; |
|
|
|
static struct snd_soc_dai_driver tlv320aic23_dai = { |
|
.name = "tlv320aic23-hifi", |
|
.playback = { |
|
.stream_name = "Playback", |
|
.channels_min = 2, |
|
.channels_max = 2, |
|
.rates = AIC23_RATES, |
|
.formats = AIC23_FORMATS,}, |
|
.capture = { |
|
.stream_name = "Capture", |
|
.channels_min = 2, |
|
.channels_max = 2, |
|
.rates = AIC23_RATES, |
|
.formats = AIC23_FORMATS,}, |
|
.ops = &tlv320aic23_dai_ops, |
|
}; |
|
|
|
static int tlv320aic23_resume(struct snd_soc_component *component) |
|
{ |
|
struct aic23 *aic23 = snd_soc_component_get_drvdata(component); |
|
regcache_mark_dirty(aic23->regmap); |
|
regcache_sync(aic23->regmap); |
|
|
|
return 0; |
|
} |
|
|
|
static int tlv320aic23_component_probe(struct snd_soc_component *component) |
|
{ |
|
/* Reset codec */ |
|
snd_soc_component_write(component, TLV320AIC23_RESET, 0); |
|
|
|
snd_soc_component_write(component, TLV320AIC23_DIGT, TLV320AIC23_DEEMP_44K); |
|
|
|
/* Unmute input */ |
|
snd_soc_component_update_bits(component, TLV320AIC23_LINVOL, |
|
TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED); |
|
|
|
snd_soc_component_update_bits(component, TLV320AIC23_RINVOL, |
|
TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED); |
|
|
|
snd_soc_component_update_bits(component, TLV320AIC23_ANLG, |
|
TLV320AIC23_BYPASS_ON | TLV320AIC23_MICM_MUTED, |
|
0); |
|
|
|
/* Default output volume */ |
|
snd_soc_component_write(component, TLV320AIC23_LCHNVOL, |
|
TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK); |
|
snd_soc_component_write(component, TLV320AIC23_RCHNVOL, |
|
TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK); |
|
|
|
snd_soc_component_write(component, TLV320AIC23_ACTIVE, 0x1); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct snd_soc_component_driver soc_component_dev_tlv320aic23 = { |
|
.probe = tlv320aic23_component_probe, |
|
.resume = tlv320aic23_resume, |
|
.set_bias_level = tlv320aic23_set_bias_level, |
|
.controls = tlv320aic23_snd_controls, |
|
.num_controls = ARRAY_SIZE(tlv320aic23_snd_controls), |
|
.dapm_widgets = tlv320aic23_dapm_widgets, |
|
.num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets), |
|
.dapm_routes = tlv320aic23_intercon, |
|
.num_dapm_routes = ARRAY_SIZE(tlv320aic23_intercon), |
|
.suspend_bias_off = 1, |
|
.idle_bias_on = 1, |
|
.use_pmdown_time = 1, |
|
.endianness = 1, |
|
}; |
|
|
|
int tlv320aic23_probe(struct device *dev, struct regmap *regmap) |
|
{ |
|
struct aic23 *aic23; |
|
|
|
if (IS_ERR(regmap)) |
|
return PTR_ERR(regmap); |
|
|
|
aic23 = devm_kzalloc(dev, sizeof(struct aic23), GFP_KERNEL); |
|
if (aic23 == NULL) |
|
return -ENOMEM; |
|
|
|
aic23->regmap = regmap; |
|
|
|
dev_set_drvdata(dev, aic23); |
|
|
|
return devm_snd_soc_register_component(dev, |
|
&soc_component_dev_tlv320aic23, |
|
&tlv320aic23_dai, 1); |
|
} |
|
EXPORT_SYMBOL(tlv320aic23_probe); |
|
|
|
MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver"); |
|
MODULE_AUTHOR("Arun KS <[email protected]>"); |
|
MODULE_LICENSE("GPL");
|
|
|