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oleavr-rgl-a500-mini-linux-.../sound/soc/sunxi/sun3iw1_codec.c
Ole André Vadla Ravnås 169c65d57e Initial commit
2022-05-07 01:01:45 +02:00

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/*
* sound\soc\sunxi\sun3iw1_codec.c
* (C) Copyright 2014-2017
* Reuuimlla Technology Co., Ltd. <www.allwinnertech.com>
* huangxin <huangxin@allwinnertech.com>
*
* some simple description for this code
*
* 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/delay.h>
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/regulator/consumer.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 <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/pm.h>
#include <linux/of_gpio.h>
#include <linux/sys_config.h>
#include "sunxi_rw_func.h"
#include "sunxi_cpudai.h"
#define DRV_NAME "sunxi-internal-codec"
void __iomem *codec_digitaladress;
/* void __iomem *codec_analogadress; */
struct spk_gpio_ spk_gpio;
static const DECLARE_TLV_DB_SCALE(dig_vol_tlv, -7424, 0, 0);
static const DECLARE_TLV_DB_SCALE(headphone_vol_tlv, -6300, 100, 0);
static const DECLARE_TLV_DB_SCALE(linein_to_l_r_mix_vol_tlv, -450, 150, 0);
static const DECLARE_TLV_DB_SCALE(mic1_to_l_r_mix_vol_tlv, -450, 150, 0);
static const DECLARE_TLV_DB_SCALE(spkl_vol_tlv, -4800, 150, 0);
static const DECLARE_TLV_DB_SCALE(spkr_vol_tlv, -4800, 150, 0);
static const DECLARE_TLV_DB_SCALE(mic_boost_vol_tlv, 0, 300, 0);
static const DECLARE_TLV_DB_SCALE(adc_input_gain_tlv, -450, 150, 0);
struct codec_sr {
unsigned int samplerate;
int srbit;
};
static const struct codec_sr codec_sr_s[] = {
{44100, 0},
{48000, 0},
{8000, 5},
{11025, 4},
{12000, 4},
{16000, 3},
{22050, 2},
{24000, 2},
{32000, 1},
{96000, 7},
{192000, 6},
};
static struct label reg_labels[] = {
LABEL(SUNXI_DAC_DPC),
LABEL(SUNXI_DAC_FIFOC),
LABEL(SUNXI_DAC_FIFOS),
LABEL(SUNXI_ADC_FIFOC),
LABEL(SUNXI_ADC_FIFOS),
LABEL(SUNXI_ADC_RXDATA),
LABEL(SUNXI_DAC_TXDATA),
LABEL(SUNXI_DAC_CNT),
LABEL(SUNXI_ADC_CNT),
LABEL(SUNXI_DAC_DG),
LABEL(SUNXI_ADC_DG),
LABEL_END,
};
/*
*enable the codec function which should be enable during system init.
*/
static int codec_init(struct sunxi_codec *sunxi_internal_codec)
{
struct snd_soc_codec *codec = sunxi_internal_codec->codec;
/*
if (sunxi_internal_codec->hp_dirused) {
snd_soc_update_bits(codec, HP_CTRL,
(0x3<<HPCOM_FC), (0x3<<HPCOM_FC));
snd_soc_update_bits(codec, HP_CTRL,
(0x1<<HPCOM_PT), (0x1<<HPCOM_PT));
} else {
snd_soc_update_bits(codec, HP_CTRL,
(0x3<<HPCOM_FC), (0x0<<HPCOM_FC));
snd_soc_update_bits(codec, HP_CTRL,
(0x1<<HPCOM_PT), (0x0<<HPCOM_PT));
}
snd_soc_update_bits(codec, DAC_PA_SRC,
(0x1<<LHPPAMUTE), (0x0<<LHPPAMUTE));
snd_soc_update_bits(codec, DAC_PA_SRC,
(0x1<<RHPPAMUTE), (0x0<<RHPPAMUTE));
*/
/*when TX FIFO available room less than or equal N,
* DRQ Requeest will be de-asserted.
*/
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x3F<<HP_VOL),
(0x0<<HP_VOL)); /* set hp volume 0*/
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC, (0x3<<DAC_DRQ_CLR_CNT),
(0x3<<DAC_DRQ_CLR_CNT));
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC, (0x1<<FIFO_FLUSH),
(0x1<<FIFO_FLUSH));
/*
* 0:64-Tap FIR
* 1:32-Tap FIR
*/
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC, (0x1<<FIR_VER),
(0x0<<FIR_VER));
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC, (0x1<<ADC_FIFO_FLUSH),
(0x1<<ADC_FIFO_FLUSH));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<PH_L_MUTE),
(0x0<<PH_L_MUTE));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<PH_R_MUTE),
(0x0<<PH_R_MUTE));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<PH_COM_PROTEC),
(0x0<<PH_COM_PROTEC));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x3<<PH_COM_FC),
(0x0<<PH_COM_FC));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<HP_POWER_EN),
(0x1<<HP_POWER_EN)); /* power hp */
snd_soc_update_bits(codec, SUNXI_DAC_DPC, (0x1<<EN_DAC),
(0x1<<EN_DAC));
return 0;
}
#if 0
static int late_enable_dac(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
mutex_lock(&sunxi_internal_codec->dac_mutex);
pr_debug("..dac power state change.\n");
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (sunxi_internal_codec->dac_enable == 0) {
snd_soc_update_bits(codec, SUNXI_DAC_DPC,
(0x1<<EN_DAC), (0x1<<EN_DAC));
}
sunxi_internal_codec->dac_enable++;
break;
case SND_SOC_DAPM_POST_PMD:
if (sunxi_internal_codec->dac_enable > 0) {
sunxi_internal_codec->dac_enable--;
if (sunxi_internal_codec->dac_enable == 0) {
snd_soc_update_bits(codec, SUNXI_DAC_DPC,
(0x1<<EN_DAC), (0x0<<EN_DAC));
}
}
break;
}
mutex_unlock(&sunxi_internal_codec->dac_mutex);
return 0;
}
static int late_enable_adc(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
mutex_lock(&sunxi_internal_codec->adc_mutex);
pr_debug("..adc power state change.\n");
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (sunxi_internal_codec->adc_enable == 0) {
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<EN_AD), (0x1<<EN_AD));
}
sunxi_internal_codec->adc_enable++;
break;
case SND_SOC_DAPM_POST_PMD:
if (sunxi_internal_codec->adc_enable > 0) {
sunxi_internal_codec->adc_enable--;
if (sunxi_internal_codec->adc_enable == 0) {
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<EN_AD), (0x0<<EN_AD));
}
}
break;
}
mutex_unlock(&sunxi_internal_codec->adc_mutex);
return 0;
}
static int ac_headphone_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_codec *codec = w->codec;
pr_debug("..headphone power state change.\n");
switch (event) {
case SND_SOC_DAPM_POST_PMU:
/*open*/
snd_soc_update_bits(codec, HP_CTRL, (0x1<<HPPAEN),
(0x1<<HPPAEN));
msleep(20);
snd_soc_update_bits(codec, DAC_PA_SRC, (0x1<<LHPPAMUTE),
(0x1<<LHPPAMUTE));
snd_soc_update_bits(codec, DAC_PA_SRC, (0x1<<RHPPAMUTE),
(0x1<<RHPPAMUTE));
break;
case SND_SOC_DAPM_PRE_PMD:
/*close*/
snd_soc_update_bits(codec, HP_CTRL, (0x1<<HPPAEN),
(0x0<<HPPAEN));
snd_soc_update_bits(codec, DAC_PA_SRC, (0x1<<LHPPAMUTE),
(0x0<<LHPPAMUTE));
snd_soc_update_bits(codec, DAC_PA_SRC, (0x1<<RHPPAMUTE),
(0x0<<RHPPAMUTE));
break;
}
return 0;
}
static int ac_speaker_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k,
int event)
{
struct snd_soc_codec *codec = w->codec;
struct sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
pr_debug("..speaker power state change.\n");
switch (event) {
case SND_SOC_DAPM_POST_PMU:
sunxi_internal_codec->spkenable = true;
msleep(50);
snd_soc_update_bits(codec, SPK_MBIAS_CTR,
(0x1<<SPKLP_EN), (0x1<<SPKLP_EN));
snd_soc_update_bits(codec, SPK_MBIAS_CTR,
(0x1<<SPKLN_EN), (0x1<<SPKLN_EN));
snd_soc_update_bits(codec, SPK_MBIAS_CTR,
(0x1<<SPKRP_EN), (0x1<<SPKRP_EN));
snd_soc_update_bits(codec, SPK_MBIAS_CTR,
(0x1<<SPKRN_EN), (0x1<<SPKRN_EN));
if (spk_gpio.cfg)
gpio_set_value(spk_gpio.gpio, 1);
break;
case SND_SOC_DAPM_PRE_PMD:
sunxi_internal_codec->spkenable = false;
if (spk_gpio.cfg)
gpio_set_value(spk_gpio.gpio, 0);
snd_soc_update_bits(codec, SPK_MBIAS_CTR,
(0x1<<SPKLP_EN), (0x0<<SPKLP_EN));
snd_soc_update_bits(codec, SPK_MBIAS_CTR,
(0x1<<SPKLN_EN), (0x0<<SPKLN_EN));
snd_soc_update_bits(codec, SPK_MBIAS_CTR,
(0x1<<SPKRP_EN), (0x0<<SPKRP_EN));
snd_soc_update_bits(codec, SPK_MBIAS_CTR,
(0x1<<SPKRN_EN), (0x0<<SPKRN_EN));
default:
break;
}
return 0;
}
#endif
static const struct snd_kcontrol_new sunxi_codec_controls[] = {
SOC_SINGLE_TLV("dac digital volume",
SUNXI_DAC_DPC, DVOL, 0x3f, 0, NULL),
SOC_SINGLE_TLV("dac: right chanel en",
DAC_MIXER_CTRL, DAC_AG_R_EN, 1, 0, NULL),
SOC_SINGLE_TLV("dac: left chanle en",
DAC_MIXER_CTRL, DAC_AG_L_EN, 1, 0, NULL),
SOC_SINGLE_TLV("dac: right analog output mixer en",
DAC_MIXER_CTRL, R_MIXER_EN, 1, 0, NULL),
SOC_SINGLE_TLV("dac: left analog output mixer en",
DAC_MIXER_CTRL, L_MIXER_EN, 1, 0, NULL),
SOC_SINGLE_TLV("dac: right mute",
DAC_MIXER_CTRL, PH_R_MUTE, 1, 0, NULL),
SOC_SINGLE_TLV("dac: left mute",
DAC_MIXER_CTRL, PH_L_MUTE, 1, 0, NULL),
SOC_SINGLE_TLV("hp right source select: 0-dac, 1-mixer",
DAC_MIXER_CTRL, PH_R_PWR_SLT, 1, 0, NULL),
SOC_SINGLE_TLV("hp left source select: 0-dac, 1-mixer",
DAC_MIXER_CTRL, PH_L_PWR_SLT, 1, 0, NULL),
SOC_SINGLE_TLV("dac: right mixer mute: mic",
DAC_MIXER_CTRL, R_MIXER_MUTE_MIC, 1, 0, NULL),
SOC_SINGLE_TLV("dac: right mixer mute: linein",
DAC_MIXER_CTRL, R_MIXER_MUTE_LINEIN, 1, 0, NULL),
SOC_SINGLE_TLV("dac: right mixer mute: FM",
DAC_MIXER_CTRL, R_MIXER_MUTE_FM, 1, 0, NULL),
SOC_SINGLE_TLV("dac: right mixer mute: right dac",
DAC_MIXER_CTRL, R_MIXER_MUTE_R_DAC, 1, 0, NULL),
SOC_SINGLE_TLV("dac: right mixer mute: left dac",
DAC_MIXER_CTRL, R_MIXER_MUTE_L_DAC, 1, 0, NULL),
SOC_SINGLE_TLV("head phone power",
DAC_MIXER_CTRL, HP_POWER_EN, 1, 0, NULL),
SOC_SINGLE_TLV("dac: left mixer mute: mic",
DAC_MIXER_CTRL, L_MIXER_MUTE_MIC, 1, 0, NULL),
SOC_SINGLE_TLV("dac: left mixer mute: linein",
DAC_MIXER_CTRL, L_MIXER_MUTE_LINEIN, 1, 0, NULL),
SOC_SINGLE_TLV("dac: left mixer mute: FM",
DAC_MIXER_CTRL, L_MIXER_MUTE_FM, 1, 0, NULL),
SOC_SINGLE_TLV("dac: left mixer mute: right dac",
DAC_MIXER_CTRL, L_MIXER_MUTE_R_DAC, 1, 0, NULL),
SOC_SINGLE_TLV("dac: left mixer mute: left dac",
DAC_MIXER_CTRL, L_MIXER_MUTE_L_DAC, 1, 0, NULL),
SOC_SINGLE_TLV("dac: left hpout to right hpout",
DAC_MIXER_CTRL, L_HP_TO_R_HP_MUTE, 1, 0, NULL),
SOC_SINGLE_TLV("dac: right hpout to left hpout",
DAC_MIXER_CTRL, R_HP_TO_L_HP_MUTE, 1, 0, NULL),
SOC_SINGLE_TLV("head phone volume",
DAC_MIXER_CTRL, HP_VOL, 0x3f, 0, NULL),
SOC_SINGLE_TLV("MICIN GAIN control",
ADC_MIXER_CTRL, MIC_GAIN_CTL, 0x7, 0, NULL),
SOC_SINGLE_TLV("LINEIN GAIN control",
ADC_MIXER_CTRL, LINEIN_VOL, 0x7, 0, NULL),
SOC_SINGLE_TLV("ADC INPUT GAIN control",
ADC_MIXER_CTRL, ADC_IN_GAIN_CTL, 0x7, 0, NULL),
SOC_SINGLE_TLV("COS slop time control for Anti-pop",
ADC_MIXER_CTRL, COS_SLOP_TM, 0x3, 0, NULL),
SOC_SINGLE_TLV("ADC mixer mute for mic",
ADC_MIXER_CTRL, ADC_MIX_MUTE_MIC, 0x1, 0, NULL),
SOC_SINGLE_TLV("ADC mixer mute for FML",
ADC_MIXER_CTRL, ADC_MIX_MUTE_FML, 0x1, 0, NULL),
SOC_SINGLE_TLV("ADC mixer mute for FMR",
ADC_MIXER_CTRL, ADC_MIX_MUTE_FMR, 0x1, 0, NULL),
SOC_SINGLE_TLV("ADC mixer mute for linein",
ADC_MIXER_CTRL, ADC_MIX_MUTE_LINEIN, 0x1, 0, NULL),
SOC_SINGLE_TLV("ADC mixer mute for left ouput",
ADC_MIXER_CTRL, ADC_MIX_MUTE_L, 0x1, 0, NULL),
SOC_SINGLE_TLV("ADC mixer mute for right ouput",
ADC_MIXER_CTRL, ADC_MIX_MUTE_R, 0x1, 0, NULL),
SOC_SINGLE_TLV("ADC PA speed select",
ADC_MIXER_CTRL, PA_SPEED_SLT, 0x1, 0, NULL),
SOC_SINGLE_TLV("ADC FM volume",
ADC_MIXER_CTRL, FM_TO_MIX_GAIN, 0x7, 0, NULL),
SOC_SINGLE_TLV("ADC MIC Boost AMP en",
ADC_MIXER_CTRL, MIC_BST_AMP_EN, 0x1, 0, NULL),
SOC_SINGLE_TLV("ADC MIC Boost AMP gain control",
ADC_MIXER_CTRL, MIC_BOST_GAIN, 0x7, 0, NULL),
};
/*built widget*/
static const struct snd_soc_dapm_widget ac_dapm_widgets[] = {
SND_SOC_DAPM_PGA("SPK_LR Adder", SND_SOC_NOPM, 0, 0, NULL, 0),
/*output widget*/
SND_SOC_DAPM_OUTPUT("HPOUTL"),
SND_SOC_DAPM_OUTPUT("HPOUTR"),
SND_SOC_DAPM_OUTPUT("SPKL"),
SND_SOC_DAPM_OUTPUT("SPKR"),
SND_SOC_DAPM_AIF_OUT("ADC_L", "Capture", 0, SND_SOC_NOPM, 0, 0),
/*INPUT widget*/
SND_SOC_DAPM_INPUT("MIC1P"),
SND_SOC_DAPM_INPUT("MIC1N"),
SND_SOC_DAPM_INPUT("LINEINR"),
SND_SOC_DAPM_INPUT("LINEINL"),
};
static const struct snd_soc_dapm_route ac_dapm_routes[] = {
/*PLAYBACK*/
{"Left Output Mixer", "DACL Switch", "DAC_L"},
{"Left Output Mixer", "DACR Switch", "DAC_R"},
{"Left Output Mixer", "LINEINL Switch", "LINEINL"},
{"Left Output Mixer", "MIC1Booststage Switch", "MIC1 PGA"},
{"Right Output Mixer", "DACR Switch", "DAC_R"},
{"Right Output Mixer", "DACL Switch", "DAC_L"},
{"Right Output Mixer", "LINEINR Switch", "LINEINR"},
{"Right Output Mixer", "MIC1Booststage Switch", "MIC1 PGA"},
/*hp mux*/
{"HP_R Mux", "DACR HPR Switch", "DAC_R"},
{"HP_R Mux", "MIXER_R Switch", "Right Output Mixer"},
{"HP_L Mux", "DACL HPL Switch", "DAC_L"},
{"HP_L Mux", "MIXER_L Switch", "Left Output Mixer"},
/*hp endpoint*/
{"HPOUTR", NULL, "HP_R Mux"},
{"HPOUTL", NULL, "HP_L Mux"},
{"Headphone", NULL, "HPOUTR"},
{"Headphone", NULL, "HPOUTL"},
/*spk mux*/
{"SPK_LR Adder", NULL, "Right Output Mixer"},
{"SPK_LR Adder", NULL, "Left Output Mixer"},
{"SPK_L Mux", "MIXR+MIXL", "SPK_LR Adder"},
{"SPK_L Mux", "MIXER_L Switch", "Left Output Mixer"},
{"SPK_L Mux", "MIXER_R Switch", "Right Output Mixer"},
{"SPK_R Mux", "MIXR+MIXL", "SPK_LR Adder"},
{"SPK_R Mux", "MIXER_R Switch", "Right Output Mixer"},
{"SPK_R Mux", "MIXER_L Switch", "Left Output Mixer"},
{"SPKR", NULL, "SPK_R Mux"},
{"SPKL", NULL, "SPK_L Mux"},
{"External Speaker", NULL, "SPKL"},
{"External Speaker", NULL, "SPKR"},
{"MIC1 PGA", NULL, "MIC1P"},
{"MIC1 PGA", NULL, "MIC1N"},
/*LADC SOURCE mixer*/
{"LADC input Mixer", "MIC1 boost Switch", "MIC1 PGA"},
{"LADC input Mixer", "LINEINR Switch", "LINEINR"},
{"LADC input Mixer", "LINEINL Switch", "LINEINL"},
{"LADC input Mixer", "l_output mixer Switch", "Left Output Mixer"},
{"LADC input Mixer", "r_output mixer Switch", "Right Output Mixer"},
/*ADC--ADCMUX*/
{"ADC_L", NULL, "LADC input Mixer"},
};
static int codec_start(struct snd_pcm_substream *substream,
struct snd_soc_dai *codec_dai)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct sunxi_codec *sunxi_internal_codec;
sunxi_internal_codec = snd_soc_codec_get_drvdata(codec);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x1<<FIFO_FLUSH), (0x1<<FIFO_FLUSH));/*flush tx fifo */
snd_soc_update_bits(codec, DAC_MIXER_CTRL,
(0x1<<L_MIXER_MUTE_R_DAC), (0x1<<L_MIXER_MUTE_R_DAC));
snd_soc_update_bits(codec, DAC_MIXER_CTRL,
(0x1<<R_MIXER_MUTE_R_DAC), (0x1<<R_MIXER_MUTE_R_DAC));
snd_soc_update_bits(codec, DAC_MIXER_CTRL,
(0x1<<PH_L_PWR_SLT), (0x0<<PH_L_PWR_SLT));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<PH_R_PWR_SLT),
(0x0<<PH_R_PWR_SLT));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<PH_L_MUTE),
(0x1<<PH_L_MUTE));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<PH_R_MUTE),
(0x1<<PH_R_MUTE));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<DAC_AG_L_EN),
(0x1<<DAC_AG_L_EN));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<DAC_AG_R_EN),
(0x1<<DAC_AG_R_EN));
} else {
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC, (0x1<<EN_AD),
(0x1<<EN_AD));
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<ADC_FIFO_FLUSH), (0x1<<ADC_FIFO_FLUSH));
snd_soc_update_bits(codec, ADC_MIXER_CTRL, (0x1<<ADC_EN),
(0x1<<ADC_EN));
}
return 0;
}
static int codec_mute(struct snd_soc_dai *codec_dai, int mute)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
if (sunxi_internal_codec->spkenable == true)
msleep(sunxi_internal_codec->pa_sleep_time);
msleep(150);
return 0;
}
static void codec_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *codec_dai)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct sunxi_codec *sunxi_internal_codec;
sunxi_internal_codec = snd_soc_codec_get_drvdata(codec);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC, (0x1<<FIFO_FLUSH),
(0x1<<FIFO_FLUSH));/* flush tx fifo */
snd_soc_update_bits(codec, DAC_MIXER_CTRL,
(0x1<<L_MIXER_MUTE_R_DAC), (0x0<<L_MIXER_MUTE_R_DAC));
snd_soc_update_bits(codec, DAC_MIXER_CTRL,
(0x1<<R_MIXER_MUTE_R_DAC), (0x0<<R_MIXER_MUTE_R_DAC));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<PH_L_MUTE),
(0x0<<PH_L_MUTE));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<PH_R_MUTE),
(0x0<<PH_R_MUTE));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<DAC_AG_L_EN),
(0x0<<DAC_AG_L_EN));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<DAC_AG_R_EN),
(0x0<<DAC_AG_R_EN));
} else {
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC, (0x1<<EN_AD),
(0x0<<EN_AD));
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<ADC_FIFO_FLUSH), (0x1<<ADC_FIFO_FLUSH));
snd_soc_update_bits(codec, ADC_MIXER_CTRL, (0x1<<ADC_EN),
(0x0<<ADC_EN));
}
}
static int codec_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
/*enable dac drq*/
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x1<<DAC_DRQ_EN), (0x1<<DAC_DRQ_EN));
return 0;
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x1<<DAC_DRQ_EN), (0x0<<DAC_DRQ_EN));
return 0;
default:
return -EINVAL;
}
} else {
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<ADC_DRQ_EN), (0x1<<ADC_DRQ_EN));
return 0;
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<ADC_DRQ_EN), (0x0<<ADC_DRQ_EN));
return 0;
default:
pr_err("error:%s,%d\n", __func__, __LINE__);
return -EINVAL;
}
}
return 0;
}
static int codec_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *codec_dai)
{
int i = 0;
struct snd_soc_codec *codec = codec_dai->codec;
struct sunxi_codec *sunxi_internal_codec;
sunxi_internal_codec = snd_soc_codec_get_drvdata(codec);
for (i = 0; i < ARRAY_SIZE(codec_sr_s); i++) {
if (codec_sr_s[i].samplerate == params_rate(params)) {
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x7<<DAC_FS), (codec_sr_s[i].srbit<<DAC_FS));
} else {
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x7<<ADFS), (codec_sr_s[i].srbit<<ADFS));
}
if (codec_sr_s[i].samplerate%1000) { /*22.5792MHz*/
if (clk_set_rate(sunxi_internal_codec->pllclk,
22579200)) {
pr_err("[audio-codec]try to set the");
pr_err(" pll clk rate failed!\n");
}
} else {/*24.576MHz*/
if (clk_set_rate(sunxi_internal_codec->pllclk,
24576000)) {
pr_err("[audio-codec]try to set the");
pr_err(" pll clk rate failed!\n");
}
}
break;
}
}
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S32_LE:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/*set TX FIFO MODE:24bit*/
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x3<<FIFO_MODE), (0x0<<FIFO_MODE));
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x1<<TX_SAMPLE_BITS), (0x1<<TX_SAMPLE_BITS));
} else {
/*set RX FIFO MODE:24bit*/
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<RX_FIFO_MODE), (0x0<<RX_FIFO_MODE));
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<RX_SAMPLE_BITS), (0x1<<RX_SAMPLE_BITS));
}
break;
case SNDRV_PCM_FORMAT_S16_LE:
default:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/*set TX FIFO MODE:16bit*/
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x3<<FIFO_MODE), (0x0<<FIFO_MODE));
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x1<<TX_SAMPLE_BITS), (0x0<<TX_SAMPLE_BITS));
} else {
/*set RX FIFO MODE:16bit*/
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<RX_FIFO_MODE), (0x1<<RX_FIFO_MODE));
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<RX_SAMPLE_BITS), (0x0<<RX_SAMPLE_BITS));
}
break;
}
if (params_channels(params) == 1) {
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x1<<DAC_MONO_EN), (0x1<<DAC_MONO_EN));
} else {
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<ADC_MONO_EN), (0x1<<ADC_MONO_EN));
}
} else {
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
snd_soc_update_bits(codec, SUNXI_DAC_FIFOC,
(0x1<<DAC_MONO_EN), (0x0<<DAC_MONO_EN));
} else {
snd_soc_update_bits(codec, SUNXI_ADC_FIFOC,
(0x1<<ADC_MONO_EN), (0x0<<ADC_MONO_EN));
}
}
return 0;
}
static int codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
return 0;
}
static int codec_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 sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
if (clk_set_rate(sunxi_internal_codec->pllclk, freq))
pr_err("[audio-cpudai]try to set the pll clk rate failed!\n");
return 0;
}
static int codec_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
codec->dapm.bias_level = level;
return 0;
}
static const struct snd_soc_dai_ops codec_dai_ops = {
.startup = codec_start,
.set_fmt = codec_set_dai_fmt,
.hw_params = codec_hw_params,
.shutdown = codec_shutdown,
.digital_mute = codec_mute,
.set_sysclk = codec_set_dai_sysclk,
.trigger = codec_trigger,
};
static struct snd_soc_dai_driver codec_dai[] = {
{
.name = "sun8iw10codec",
.id = 1,
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE,
},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE,
},
.ops = &codec_dai_ops,
},
};
static const struct snd_soc_component_driver sunxi_i2s_component = {
.name = DRV_NAME,
};
static int codec_soc_probe(struct snd_soc_codec *codec)
{
int ret = 0;
struct sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
sunxi_internal_codec->codec = codec;
sunxi_internal_codec->dac_enable = 0;
sunxi_internal_codec->adc_enable = 0;
mutex_init(&sunxi_internal_codec->dac_mutex);
mutex_init(&sunxi_internal_codec->adc_mutex);
#if 1
/* Add virtual switch */
ret = snd_soc_add_codec_controls(codec, sunxi_codec_controls,
ARRAY_SIZE(sunxi_codec_controls));
if (ret) {
pr_err("[audio-codec] Failed to register audio mode control, ");
pr_err("will continue without it.\n");
}
#endif
codec_init(sunxi_internal_codec);
return 0;
}
int audio_gpio_iodisable(u32 gpio)
{
char pin_name[8];
u32 config, ret;
sunxi_gpio_to_name(gpio, pin_name);
config = (((7) << 16) | (0 & 0xFFFF));
ret = pin_config_set(SUNXI_PINCTRL, pin_name, config);
return ret;
}
static int codec_suspend(struct snd_soc_codec *codec)
{
struct sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
pr_debug("[audio codec]:suspend start.\n");
if (spk_gpio.cfg)
audio_gpio_iodisable(spk_gpio.gpio);
if (sunxi_internal_codec->vol_supply.cpvdd)
regulator_disable(sunxi_internal_codec->vol_supply.cpvdd);
if (sunxi_internal_codec->vol_supply.avcc)
regulator_disable(sunxi_internal_codec->vol_supply.avcc);
pr_debug("[audio codec]:suspend end..\n");
return 0;
}
static int codec_resume(struct snd_soc_codec *codec)
{
int ret;
struct sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
pr_debug("[audio codec]:resume start\n");
if (sunxi_internal_codec->vol_supply.cpvdd) {
ret = regulator_enable(sunxi_internal_codec->vol_supply.cpvdd);
if (ret) {
pr_err("[%s]: cpvdd:regulator_enable() failed!\n",
__func__);
}
}
if (sunxi_internal_codec->vol_supply.avcc) {
ret = regulator_enable(sunxi_internal_codec->vol_supply.avcc);
if (ret) {
pr_err("[%s]: avcc:regulator_enable() failed!\n",
__func__);
}
}
codec_init(sunxi_internal_codec);
if (spk_gpio.cfg) {
gpio_direction_output(spk_gpio.gpio, 1);
gpio_set_value(spk_gpio.gpio, 0);
}
pr_debug("[audio codec]:resume end..\n");
return 0;
}
/* power down chip */
static int codec_soc_remove(struct snd_soc_codec *codec)
{
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x1<<PH_COM_PROTEC),
(0x0<<PH_COM_PROTEC));
snd_soc_update_bits(codec, DAC_MIXER_CTRL, (0x3<<PH_COM_FC),
(0x0<<PH_COM_FC));
return 0;
}
static unsigned int codec_read(struct snd_soc_codec *codec,
unsigned int reg)
{
struct sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
return codec_rdreg(sunxi_internal_codec->codec_dbase + reg);
}
static int codec_write(struct snd_soc_codec *codec,
unsigned int reg, unsigned int value)
{
struct sunxi_codec *sunxi_internal_codec =
snd_soc_codec_get_drvdata(codec);
codec_wrreg(sunxi_internal_codec->codec_dbase + reg, value);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_codec = {
.probe = codec_soc_probe,
.remove = codec_soc_remove,
.suspend = codec_suspend,
.resume = codec_resume,
.set_bias_level = codec_set_bias_level,
.read = codec_read,
.write = codec_write,
.ignore_pmdown_time = 1,
};
static ssize_t show_audio_reg(struct device *dev, struct device_attribute *attr,
char *buf)
{
int count = 0;
int i = 0;
int reg_group = 0;
count += sprintf(buf, "dump audio reg:\n");
while (reg_labels[i].name != NULL) {
if (reg_labels[i].value == 0)
reg_group++;
if (reg_group == 1) {
count += sprintf(buf + count, "%s 0x%p: 0x%x\n",
reg_labels[i].name, (codec_digitaladress +
reg_labels[i].value), readl(codec_digitaladress
+ reg_labels[i].value));
}
i++;
}
return count;
}
/* ex:
*param 1: 0 read;1 write
*param 2: 1 digital reg; 2 analog reg
*param 3: reg value;
*param 4: write value;
read:
echo 0,1,0x00 > audio_reg
echo 0,2,0x00 > audio_reg
write:
echo 1,1,0x00,0xa > audio_reg
echo 1,2,0x00,0xff > audio_reg
*/
static ssize_t store_audio_reg(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
int rw_flag;
int reg_val_read;
int input_reg_val = 0;
int input_reg_group = 0;
int input_reg_offset = 0;
ret = sscanf(buf, "%d,%d,0x%x,0x%x", &rw_flag, &input_reg_group,
&input_reg_offset, &input_reg_val);
pr_info("ret:%d, reg_group:%d, reg_offset:%d, reg_val:0x%x\n",
ret, input_reg_group, input_reg_offset, input_reg_val);
if (!(input_reg_group == 1 || input_reg_group == 2)) {
pr_err("not exist reg group\n");
ret = count;
goto out;
}
if (!(rw_flag == 1 || rw_flag == 0)) {
pr_err("not rw_flag\n");
ret = count;
goto out;
}
if (input_reg_group == 1) {
if (rw_flag) {
writel(input_reg_val, codec_digitaladress +
input_reg_offset);
} else {
reg_val_read = readl(codec_digitaladress +
input_reg_offset);
}
}
ret = count;
out:
return ret;
}
static DEVICE_ATTR(audio_reg, 0644, show_audio_reg, store_audio_reg);
static struct attribute *audio_debug_attrs[] = {
&dev_attr_audio_reg.attr,
NULL,
};
static struct attribute_group audio_debug_attr_group = {
.name = "audio_reg_debug",
.attrs = audio_debug_attrs,
};
static const struct of_device_id sunxi_codec_of_match[] = {
{ .compatible = "allwinner,sunxi-internal-codec", },
{},
};
static int __init sunxi_internal_codec_probe(struct platform_device *pdev)
{
s32 ret = 0;
u32 temp_val = 0;
const struct of_device_id *device;
struct sunxi_codec *sunxi_internal_codec;
struct device_node *node = pdev->dev.of_node;
if (!node) {
dev_err(&pdev->dev,
"can not get dt node for this device.\n");
ret = -EINVAL;
goto err0;
}
sunxi_internal_codec = devm_kzalloc(&pdev->dev,
sizeof(struct sunxi_codec), GFP_KERNEL);
if (!sunxi_internal_codec) {
dev_err(&pdev->dev, "Can't allocate sunxi_codec\n");
ret = -ENOMEM;
goto err0;
}
dev_set_drvdata(&pdev->dev, sunxi_internal_codec);
device = of_match_device(sunxi_codec_of_match, &pdev->dev);
if (!device) {
ret = -ENODEV;
goto err1;
}
sunxi_internal_codec->pllclk = of_clk_get(node, 0);
sunxi_internal_codec->codecclk = of_clk_get(node, 1);
if (IS_ERR(sunxi_internal_codec->pllclk)) {
dev_err(&pdev->dev,
"[audio-cpudai]Can't get audio pll clock\n");
ret = PTR_ERR(sunxi_internal_codec->pllclk);
goto err1;
}
if (IS_ERR(sunxi_internal_codec->codecclk)) {
dev_err(&pdev->dev,
"[audio-cpudai]Can't get audio codec clock\n");
ret = PTR_ERR(sunxi_internal_codec->codecclk);
goto err1;
}
clk_prepare_enable(sunxi_internal_codec->pllclk);
clk_prepare_enable(sunxi_internal_codec->codecclk);
sunxi_internal_codec->codec_dbase = NULL;
sunxi_internal_codec->codec_dbase = of_iomap(node, 0);
if (NULL == sunxi_internal_codec->codec_dbase)
pr_err("[audio-codec]Can't map codec digital registers\n");
else
codec_digitaladress = sunxi_internal_codec->codec_dbase;
ret = of_property_read_u32(node, "headphonevol", &temp_val);
if (ret < 0) {
pr_err("[audio-codec]headphonevol configurations");
pr_err(" missing or invalid.\n");
ret = -EINVAL;
goto err1;
} else {
sunxi_internal_codec->gain_config.headphonevol = temp_val;
}
ret = of_property_read_u32(node, "spkervol", &temp_val);
if (ret < 0) {
pr_err("[audio-codec]spkervol configurations");
pr_err(" missing or invalid.\n");
ret = -EINVAL;
goto err1;
} else {
sunxi_internal_codec->gain_config.spkervol = temp_val;
}
ret = of_property_read_u32(node, "maingain", &temp_val);
if (ret < 0) {
pr_err("[audio-codec]maingain configurations");
pr_err(" missing or invalid.\n");
ret = -EINVAL;
goto err1;
} else {
sunxi_internal_codec->gain_config.maingain = temp_val;
}
ret = of_property_read_u32(node, "hp_dirused", &temp_val);
if (ret < 0) {
pr_err("[audio-codec]hp_dirused configurations");
pr_err(" missing or invalid.\n");
ret = -EINVAL;
goto err1;
} else {
sunxi_internal_codec->hp_dirused = temp_val;
}
ret = of_property_read_u32(node, "pa_sleep_time", &temp_val);
if (ret < 0) {
pr_err("[audio-codec]pa_sleep_time configurations");
pr_err(" missing or invalid.\n");
ret = -EINVAL;
goto err1;
} else {
sunxi_internal_codec->pa_sleep_time = temp_val;
}
pr_debug("headphonevol:%d,spkervol:%d,maingain:%d,pa_sleep_time:%d\n",
sunxi_internal_codec->gain_config.headphonevol,
sunxi_internal_codec->gain_config.spkervol,
sunxi_internal_codec->gain_config.maingain,
sunxi_internal_codec->pa_sleep_time
);
snd_soc_register_codec(&pdev->dev, &soc_codec_dev_codec, codec_dai,
ARRAY_SIZE(codec_dai));
ret = sysfs_create_group(&pdev->dev.kobj, &audio_debug_attr_group);
if (ret)
pr_err("[audio-codec]failed to create attr group\n");
return 0;
err1:
kfree(sunxi_internal_codec);
err0:
return ret;
}
static int __exit sunxi_internal_codec_remove(struct platform_device *pdev)
{
sysfs_remove_group(&pdev->dev.kobj, &audio_debug_attr_group);
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
static void sunxi_internal_codec_shutdown(struct platform_device *pdev)
{
if (spk_gpio.cfg)
gpio_set_value(spk_gpio.gpio, 0);
}
static struct platform_driver sunxi_internal_codec_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
.of_match_table = sunxi_codec_of_match,
},
.probe = sunxi_internal_codec_probe,
.remove = __exit_p(sunxi_internal_codec_remove),
.shutdown = sunxi_internal_codec_shutdown,
};
module_platform_driver(sunxi_internal_codec_driver);
MODULE_DESCRIPTION("codec ALSA soc codec driver");
MODULE_AUTHOR("huanxin<huanxin@allwinnertech.com>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:sunxi-pcm-codec");
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