dc2af52c0d
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQEcBAABAgAGBQJPrxCRAAoJEHm+PkMAQRiGQAgH/icr6rDF/e7Y7LoNErjVag94 +PUhYx851xH3ApPlB1fBaU1ZTvQS2Pb34B8G8WrqWJ+yTs4XfE9sCPj2yb+7ySA8 vb0vPsErVvAcRWv8sP22NF2ERKNFj/PtSNAcAUJHb5djrRmJcZJ3aw03cdY/INAS 2OqJEoMc2IBa5Z+WePQJ8N+J2YgDSDdCnpBKNuSHDGN0rBm4suiWY8PWXgTzMAhG TNgNrKIlN8bnaX4hPJr6ooN+sxInkUl8ZglAPxwwjVtmYvGch4FiowpDC7BQbSGB WFSVsIuv3jMI6VaYDo/NQOFDQqqoK4h7DmBIqbL5eXBRTJg9xW+1A8zloGd4Rks= =IWBQ -----END PGP SIGNATURE----- Merge tag 'v3.4-rc7' into for-3.5 Linux 3.4-rc7 Conflicts): drivers/base/regmap/regmap.c (overlap with bug fixes) sound/soc/blackfin/bf5xx-ssm2602.c (overlap with bug fixes)
690 lines
18 KiB
C
690 lines
18 KiB
C
/*
|
|
* ALSA SoC TLV320AIC23 codec driver
|
|
*
|
|
* Author: Arun KS, <arunks@mistralsolutions.com>
|
|
* Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
|
|
*
|
|
* Based on sound/soc/codecs/wm8731.c by Richard Purdie
|
|
*
|
|
* This program 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.
|
|
*
|
|
* 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/i2c.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 u16 tlv320aic23_reg[] = {
|
|
0x0097, 0x0097, 0x00F9, 0x00F9, /* 0 */
|
|
0x001A, 0x0004, 0x0007, 0x0001, /* 4 */
|
|
0x0020, 0x0000, 0x0000, 0x0000, /* 8 */
|
|
0x0000, 0x0000, 0x0000, 0x0000, /* 12 */
|
|
};
|
|
|
|
static const char *rec_src_text[] = { "Line", "Mic" };
|
|
static const char *deemph_text[] = {"None", "32Khz", "44.1Khz", "48Khz"};
|
|
|
|
static const struct soc_enum rec_src_enum =
|
|
SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text);
|
|
|
|
static const struct snd_kcontrol_new tlv320aic23_rec_src_mux_controls =
|
|
SOC_DAPM_ENUM("Input Select", rec_src_enum);
|
|
|
|
static const struct soc_enum tlv320aic23_rec_src =
|
|
SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text);
|
|
static const struct soc_enum tlv320aic23_deemph =
|
|
SOC_ENUM_SINGLE(TLV320AIC23_DIGT, 1, 4, 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_codec *codec = snd_kcontrol_chip(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_read(codec, TLV320AIC23_ANLG) & (~0x1C0);
|
|
snd_soc_write(codec, 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_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
u16 val;
|
|
|
|
val = snd_soc_read(codec, 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 {
|
|
enum snd_soc_control_type control_type;
|
|
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_codec *codec, int mclk,
|
|
u32 *sample_rate_adc, u32 *sample_rate_dac)
|
|
{
|
|
int src = snd_soc_read(codec, 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_codec *codec, 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_write(codec, TLV320AIC23_SRATE, data);
|
|
#ifdef DEBUG
|
|
{
|
|
u32 adc, dac;
|
|
get_current_sample_rates(codec, 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_codec *codec = dai->codec;
|
|
u16 iface_reg;
|
|
int ret;
|
|
struct aic23 *aic23 = snd_soc_codec_get_drvdata(codec);
|
|
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(codec, aic23->mclk, sample_rate_adc,
|
|
sample_rate_dac);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
iface_reg = snd_soc_read(codec, TLV320AIC23_DIGT_FMT) & ~(0x03 << 2);
|
|
|
|
switch (params_format(params)) {
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S20_3LE:
|
|
iface_reg |= (0x01 << 2);
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S24_LE:
|
|
iface_reg |= (0x02 << 2);
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S32_LE:
|
|
iface_reg |= (0x03 << 2);
|
|
break;
|
|
}
|
|
snd_soc_write(codec, 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_codec *codec = dai->codec;
|
|
|
|
/* set active */
|
|
snd_soc_write(codec, TLV320AIC23_ACTIVE, 0x0001);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tlv320aic23_shutdown(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
struct aic23 *aic23 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
/* deactivate */
|
|
if (!codec->active) {
|
|
udelay(50);
|
|
snd_soc_write(codec, 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)
|
|
{
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
u16 reg;
|
|
|
|
reg = snd_soc_read(codec, TLV320AIC23_DIGT);
|
|
if (mute)
|
|
reg |= TLV320AIC23_DACM_MUTE;
|
|
|
|
else
|
|
reg &= ~TLV320AIC23_DACM_MUTE;
|
|
|
|
snd_soc_write(codec, TLV320AIC23_DIGT, reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tlv320aic23_set_dai_fmt(struct snd_soc_dai *codec_dai,
|
|
unsigned int fmt)
|
|
{
|
|
struct snd_soc_codec *codec = codec_dai->codec;
|
|
u16 iface_reg;
|
|
|
|
iface_reg = snd_soc_read(codec, TLV320AIC23_DIGT_FMT) & (~0x03);
|
|
|
|
/* set master/slave audio interface */
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
iface_reg |= TLV320AIC23_MS_MASTER;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
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;
|
|
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_write(codec, 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_codec *codec,
|
|
enum snd_soc_bias_level level)
|
|
{
|
|
u16 reg = snd_soc_read(codec, 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_write(codec, TLV320AIC23_PWR, reg);
|
|
break;
|
|
case SND_SOC_BIAS_PREPARE:
|
|
break;
|
|
case SND_SOC_BIAS_STANDBY:
|
|
/* everything off except vref/vmid, */
|
|
snd_soc_write(codec, TLV320AIC23_PWR,
|
|
reg | TLV320AIC23_CLK_OFF);
|
|
break;
|
|
case SND_SOC_BIAS_OFF:
|
|
/* everything off, dac mute, inactive */
|
|
snd_soc_write(codec, TLV320AIC23_ACTIVE, 0x0);
|
|
snd_soc_write(codec, TLV320AIC23_PWR, 0x1ff);
|
|
break;
|
|
}
|
|
codec->dapm.bias_level = level;
|
|
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,
|
|
.digital_mute = tlv320aic23_mute,
|
|
.set_fmt = tlv320aic23_set_dai_fmt,
|
|
.set_sysclk = tlv320aic23_set_dai_sysclk,
|
|
};
|
|
|
|
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_suspend(struct snd_soc_codec *codec)
|
|
{
|
|
tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tlv320aic23_resume(struct snd_soc_codec *codec)
|
|
{
|
|
snd_soc_cache_sync(codec);
|
|
tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tlv320aic23_probe(struct snd_soc_codec *codec)
|
|
{
|
|
struct aic23 *aic23 = snd_soc_codec_get_drvdata(codec);
|
|
int ret;
|
|
|
|
ret = snd_soc_codec_set_cache_io(codec, 7, 9, aic23->control_type);
|
|
if (ret < 0) {
|
|
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Reset codec */
|
|
snd_soc_write(codec, TLV320AIC23_RESET, 0);
|
|
|
|
/* Write the register default value to cache for reserved registers,
|
|
* so the write to the these registers are suppressed by the cache
|
|
* restore code when it skips writes of default registers.
|
|
*/
|
|
snd_soc_cache_write(codec, 0x0A, 0);
|
|
snd_soc_cache_write(codec, 0x0B, 0);
|
|
snd_soc_cache_write(codec, 0x0C, 0);
|
|
snd_soc_cache_write(codec, 0x0D, 0);
|
|
snd_soc_cache_write(codec, 0x0E, 0);
|
|
|
|
/* power on device */
|
|
tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
|
|
|
snd_soc_write(codec, TLV320AIC23_DIGT, TLV320AIC23_DEEMP_44K);
|
|
|
|
/* Unmute input */
|
|
snd_soc_update_bits(codec, TLV320AIC23_LINVOL,
|
|
TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED);
|
|
|
|
snd_soc_update_bits(codec, TLV320AIC23_RINVOL,
|
|
TLV320AIC23_LIM_MUTED, TLV320AIC23_LRS_ENABLED);
|
|
|
|
snd_soc_update_bits(codec, TLV320AIC23_ANLG,
|
|
TLV320AIC23_BYPASS_ON | TLV320AIC23_MICM_MUTED,
|
|
0);
|
|
|
|
/* Default output volume */
|
|
snd_soc_write(codec, TLV320AIC23_LCHNVOL,
|
|
TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK);
|
|
snd_soc_write(codec, TLV320AIC23_RCHNVOL,
|
|
TLV320AIC23_DEFAULT_OUT_VOL & TLV320AIC23_OUT_VOL_MASK);
|
|
|
|
snd_soc_write(codec, TLV320AIC23_ACTIVE, 0x1);
|
|
|
|
snd_soc_add_codec_controls(codec, tlv320aic23_snd_controls,
|
|
ARRAY_SIZE(tlv320aic23_snd_controls));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tlv320aic23_remove(struct snd_soc_codec *codec)
|
|
{
|
|
tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_codec_driver soc_codec_dev_tlv320aic23 = {
|
|
.reg_cache_size = ARRAY_SIZE(tlv320aic23_reg),
|
|
.reg_word_size = sizeof(u16),
|
|
.reg_cache_default = tlv320aic23_reg,
|
|
.probe = tlv320aic23_probe,
|
|
.remove = tlv320aic23_remove,
|
|
.suspend = tlv320aic23_suspend,
|
|
.resume = tlv320aic23_resume,
|
|
.set_bias_level = tlv320aic23_set_bias_level,
|
|
.dapm_widgets = tlv320aic23_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets),
|
|
.dapm_routes = tlv320aic23_intercon,
|
|
.num_dapm_routes = ARRAY_SIZE(tlv320aic23_intercon),
|
|
};
|
|
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
/*
|
|
* If the i2c layer weren't so broken, we could pass this kind of data
|
|
* around
|
|
*/
|
|
static int tlv320aic23_codec_probe(struct i2c_client *i2c,
|
|
const struct i2c_device_id *i2c_id)
|
|
{
|
|
struct aic23 *aic23;
|
|
int ret;
|
|
|
|
if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
|
|
return -EINVAL;
|
|
|
|
aic23 = devm_kzalloc(&i2c->dev, sizeof(struct aic23), GFP_KERNEL);
|
|
if (aic23 == NULL)
|
|
return -ENOMEM;
|
|
|
|
i2c_set_clientdata(i2c, aic23);
|
|
aic23->control_type = SND_SOC_I2C;
|
|
|
|
ret = snd_soc_register_codec(&i2c->dev,
|
|
&soc_codec_dev_tlv320aic23, &tlv320aic23_dai, 1);
|
|
return ret;
|
|
}
|
|
static int __exit tlv320aic23_i2c_remove(struct i2c_client *i2c)
|
|
{
|
|
snd_soc_unregister_codec(&i2c->dev);
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id tlv320aic23_id[] = {
|
|
{"tlv320aic23", 0},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
|
|
|
|
static struct i2c_driver tlv320aic23_i2c_driver = {
|
|
.driver = {
|
|
.name = "tlv320aic23-codec",
|
|
},
|
|
.probe = tlv320aic23_codec_probe,
|
|
.remove = __exit_p(tlv320aic23_i2c_remove),
|
|
.id_table = tlv320aic23_id,
|
|
};
|
|
|
|
#endif
|
|
|
|
static int __init tlv320aic23_modinit(void)
|
|
{
|
|
int ret;
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
ret = i2c_add_driver(&tlv320aic23_i2c_driver);
|
|
if (ret != 0) {
|
|
printk(KERN_ERR "Failed to register TLV320AIC23 I2C driver: %d\n",
|
|
ret);
|
|
}
|
|
#endif
|
|
return ret;
|
|
}
|
|
module_init(tlv320aic23_modinit);
|
|
|
|
static void __exit tlv320aic23_exit(void)
|
|
{
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
i2c_del_driver(&tlv320aic23_i2c_driver);
|
|
#endif
|
|
}
|
|
module_exit(tlv320aic23_exit);
|
|
|
|
MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver");
|
|
MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
|
|
MODULE_LICENSE("GPL");
|