// SPDX-License-Identifier: GPL-2.0
|
//
|
// rk630_codec.c -- rk630 ALSA Soc Audio driver
|
//
|
// Copyright (c) 2022 Rockchip Electronics Co. Ltd.
|
// Author: Xinhuang Li <buluess.li@rock-chips.com>
|
// Author: Yanchao Hu <yanchao.hu@rock-chips.com>
|
//
|
#include <linux/clk.h>
|
#include <linux/device.h>
|
#include <linux/delay.h>
|
#include <linux/i2c.h>
|
#include <linux/init.h>
|
#include <linux/interrupt.h>
|
#include <linux/mfd/rk630.h>
|
#include <linux/module.h>
|
#include <linux/of.h>
|
#include <linux/of_gpio.h>
|
#include <linux/platform_device.h>
|
#include <linux/pm_runtime.h>
|
#include <linux/regmap.h>
|
#include <linux/rockchip/grf.h>
|
#include <linux/slab.h>
|
#include <sound/core.h>
|
#include <sound/pcm.h>
|
#include <sound/pcm_params.h>
|
#include <sound/initval.h>
|
#include <sound/soc.h>
|
#include <sound/soc-dapm.h>
|
#include <sound/tlv.h>
|
#include "rk630_codec.h"
|
|
struct rk630_codec_priv {
|
struct regmap *regmap;
|
struct regmap *grf;
|
struct regmap *cru;
|
struct device *dev;
|
unsigned int irq;
|
struct snd_soc_component *component;
|
unsigned int stereo_sysclk;
|
unsigned int rate;
|
bool mic_in_differential;
|
struct gpio_desc *spk_ctl_gpio;
|
struct clk *pclk;
|
struct clk *mclk;
|
};
|
|
static int rk630_init(struct snd_soc_component *component)
|
{
|
struct rk630_codec_priv *rk630 = snd_soc_component_get_drvdata(component);
|
|
snd_soc_component_write(component, RK630_RESET, 0x00);
|
mdelay(10);
|
snd_soc_component_write(component, RK630_RESET, 0x43);
|
mdelay(10);
|
|
snd_soc_component_update_bits(component, RK630_BSTL_ALCL_CTL,
|
RK630_BSTL_MODE_EN, RK630_BSTL_MODE_SINGLE);
|
dev_dbg(component->dev, "%s mic_in_differential = %d\n",
|
__func__, rk630->mic_in_differential);
|
if (rk630->mic_in_differential) {
|
snd_soc_component_update_bits(component, RK630_BSTL_ALCL_CTL,
|
RK630_BSTL_MODE_EN, RK630_BSTL_MODE_DIFF);
|
snd_soc_component_update_bits(component, RK630_ALC_MUNIN_CTL,
|
RK630_ALCR_MUTE_SHT, RK630_ALCR_DIS);
|
}
|
|
return 0;
|
}
|
|
static const struct reg_default rk630_reg_defaults[] = {
|
{ RK630_RESET, 0x0003 },
|
{ RK630_ADC_INT_CTL1, 0x0050 },
|
{ RK630_ADC_INT_CTL2, 0x000e },
|
{ RK630_DAC_INT_CTL1, 0x0050 },
|
{ RK630_DAC_INT_CTL2, 0x000e },
|
{ RK630_DAC_INT_CTL3, 0x22 },
|
{ RK630_ADC_MIC_CTL, 0x0000 },
|
{ RK630_BST_CTL, 0x000 },
|
{ RK630_ALC_MUNIN_CTL, 0x0044 },
|
{ RK630_BSTL_ALCL_CTL, 0x000c },
|
{ RK630_ALCR_GAIN_CTL, 0x000C },
|
{ RK630_ADC_ENABLE, 0x0000 },
|
{ RK630_DAC_CTL, 0x0000 },
|
{ RK630_DAC_ENABLE, 0x0000 },
|
{ RK630_HPMIX_CTL, 0x0000 },
|
{ RK630_HPMIX_S_SELECT, 0x0000 },
|
{ RK630_HPOUT_CTL, 0x0000 },
|
{ RK630_HPOUTL_GAIN, 0x0000 },
|
{ RK630_HPOUTR_GAIN, 0x0000 },
|
{ RK630_SELECT_CURRENT, 0x003e },
|
{ RK630_PGAL_AGC_CTL1, 0x0000 },
|
{ RK630_PGAL_AGC_CTL2, 0x0046 },
|
{ RK630_PGAL_AGC_CTL3, 0x0041 },
|
{ RK630_PGAL_AGC_CTL4, 0x000c },
|
{ RK630_PGAL_ASR_CTL, 0x0000 },
|
{ RK630_PGAL_AGC_MAX_H, 0x0026 },
|
{ RK630_PGAL_AGC_MAX_L, 0x0040 },
|
{ RK630_PGAL_AGC_MIN_H, 0x0036 },
|
{ RK630_PGAL_AGC_MIN_L, 0x0020 },
|
{ RK630_PGAL_AGC_CTL5, 0x0038 },
|
{ RK630_PGAR_AGC_CTL1, 0x0000 },
|
{ RK630_PGAR_AGC_CTL2, 0x0046 },
|
{ RK630_PGAR_AGC_CTL3, 0x0041 },
|
{ RK630_PGAR_AGC_CTL4, 0x000c },
|
{ RK630_PGAR_ASR_CTL, 0x0000 },
|
{ RK630_PGAR_AGC_MAX_H, 0x0026 },
|
{ RK630_PGAR_AGC_MAX_L, 0x0040 },
|
{ RK630_PGAR_AGC_MIN_H, 0x0036 },
|
{ RK630_PGAR_AGC_MIN_L, 0x0020 },
|
{ RK630_PGAR_AGC_CTL5, 0x0038 },
|
};
|
|
static bool rk630_volatile_register(struct device *dev, unsigned int reg)
|
{
|
switch (reg) {
|
case RK630_RESET:
|
case RK630_ADC_INT_CTL2:
|
return true;
|
default:
|
return false;
|
}
|
}
|
|
static bool rk630_codec_register(struct device *dev, unsigned int reg)
|
{
|
switch (reg) {
|
case RK630_RESET:
|
case RK630_ADC_INT_CTL1:
|
case RK630_ADC_INT_CTL2:
|
case RK630_DAC_INT_CTL1:
|
case RK630_DAC_INT_CTL2:
|
case RK630_DAC_INT_CTL3:
|
case RK630_ADC_MIC_CTL:
|
case RK630_BST_CTL:
|
case RK630_ALC_MUNIN_CTL:
|
case RK630_BSTL_ALCL_CTL:
|
case RK630_ALCR_GAIN_CTL:
|
case RK630_ADC_ENABLE:
|
case RK630_DAC_CTL:
|
case RK630_DAC_ENABLE:
|
case RK630_HPMIX_CTL:
|
case RK630_HPMIX_S_SELECT:
|
case RK630_HPOUT_CTL:
|
case RK630_HPOUTL_GAIN:
|
case RK630_HPOUTR_GAIN:
|
case RK630_SELECT_CURRENT:
|
case RK630_PGAL_AGC_CTL1:
|
case RK630_PGAL_AGC_CTL2:
|
case RK630_PGAL_AGC_CTL3:
|
case RK630_PGAL_AGC_CTL4:
|
case RK630_PGAL_ASR_CTL:
|
case RK630_PGAL_AGC_MAX_H:
|
case RK630_PGAL_AGC_MAX_L:
|
case RK630_PGAL_AGC_MIN_H:
|
case RK630_PGAL_AGC_MIN_L:
|
case RK630_PGAL_AGC_CTL5:
|
case RK630_PGAR_AGC_CTL1:
|
case RK630_PGAR_AGC_CTL2:
|
case RK630_PGAR_AGC_CTL3:
|
case RK630_PGAR_AGC_CTL4:
|
case RK630_PGAR_ASR_CTL:
|
case RK630_PGAR_AGC_MAX_H:
|
case RK630_PGAR_AGC_MAX_L:
|
case RK630_PGAR_AGC_MIN_H:
|
case RK630_PGAR_AGC_MIN_L:
|
case RK630_PGAR_AGC_CTL5:
|
case RK630_ALC_CTL:
|
return true;
|
default:
|
return false;
|
}
|
}
|
|
static int rk630_set_bias_level(struct snd_soc_component *component,
|
enum snd_soc_bias_level level)
|
{
|
dev_dbg(component->dev, "%s level=%d\n", __func__, level);
|
switch (level) {
|
case SND_SOC_BIAS_ON:
|
break;
|
|
case SND_SOC_BIAS_PREPARE:
|
break;
|
|
case SND_SOC_BIAS_STANDBY:
|
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
|
snd_soc_component_write(component, RK630_DAC_INT_CTL3, 0x32);
|
snd_soc_component_update_bits(component, RK630_ADC_MIC_CTL,
|
RK630_ADC_CURRENT_ENABLE,
|
RK630_ADC_CURRENT_ENABLE);
|
snd_soc_component_update_bits(component, RK630_DAC_CTL,
|
RK630_CURRENT_EN,
|
RK630_CURRENT_EN);
|
/* set power */
|
snd_soc_component_update_bits(component, RK630_ADC_ENABLE,
|
RK630_ADCL_REF_VOL_EN |
|
RK630_ADCR_REF_VOL_EN,
|
RK630_ADCL_REF_VOL_EN |
|
RK630_ADCR_REF_VOL_EN);
|
|
snd_soc_component_update_bits(component, RK630_ADC_MIC_CTL,
|
RK630_ADCL_ZERO_DET_EN |
|
RK630_ADCR_ZERO_DET_EN,
|
RK630_ADCL_ZERO_DET_EN |
|
RK630_ADCR_ZERO_DET_EN);
|
|
snd_soc_component_update_bits(component, RK630_DAC_CTL,
|
RK630_REF_VOL_DACL_EN |
|
RK630_REF_VOL_DACR_EN,
|
RK630_REF_VOL_DACL_EN |
|
RK630_REF_VOL_DACR_EN);
|
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACL_REF_VOL_EN |
|
RK630_DACR_REF_VOL_EN,
|
RK630_DACL_REF_VOL_EN |
|
RK630_DACR_REF_VOL_EN);
|
}
|
break;
|
|
case SND_SOC_BIAS_OFF:
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACL_REF_VOL_EN |
|
RK630_DACR_REF_VOL_EN,
|
0);
|
snd_soc_component_update_bits(component, RK630_DAC_CTL,
|
RK630_REF_VOL_DACL_EN |
|
RK630_REF_VOL_DACR_EN,
|
0);
|
snd_soc_component_update_bits(component, RK630_ADC_MIC_CTL,
|
RK630_ADCL_ZERO_DET_EN |
|
RK630_ADCR_ZERO_DET_EN,
|
0);
|
snd_soc_component_update_bits(component, RK630_ADC_ENABLE,
|
RK630_ADCL_REF_VOL_EN |
|
RK630_ADCR_REF_VOL_EN,
|
0);
|
snd_soc_component_update_bits(component, RK630_ADC_MIC_CTL,
|
RK630_ADC_CURRENT_ENABLE,
|
0);
|
snd_soc_component_update_bits(component, RK630_DAC_CTL,
|
RK630_CURRENT_EN,
|
0);
|
snd_soc_component_write(component, RK630_DAC_INT_CTL3, 0x22);
|
break;
|
}
|
return 0;
|
}
|
|
static const DECLARE_TLV_DB_SCALE(bst_vol_tlv, 0, 2000, 0);
|
static const DECLARE_TLV_DB_MINMAX(pga_vol_tlv, -1800, 2850);
|
static const DECLARE_TLV_DB_MINMAX(out_vol_tlv, -3900, 600);
|
|
static const struct snd_kcontrol_new rk630_snd_controls[] = {
|
SOC_SINGLE_TLV("BSTL Capture Volume", RK630_BST_CTL,
|
RK630_BSTL_GAIN_SHT, 1, 0, bst_vol_tlv),
|
SOC_SINGLE_TLV("BSTR Capture Volume", RK630_BST_CTL,
|
RK630_BSTR_GAIN_SHT, 1, 0, bst_vol_tlv),
|
SOC_DOUBLE_R_RANGE_TLV("PGA AGC Volume", RK630_PGAL_AGC_CTL4,
|
RK630_PGAR_AGC_CTL4, 0, 0x00, 0x1f, 0, pga_vol_tlv),
|
SOC_DOUBLE_R_RANGE_TLV("Playback Volume", RK630_HPOUTL_GAIN,
|
RK630_HPOUTR_GAIN, 0, 0x00, 0x1f, 0, out_vol_tlv),
|
|
SOC_SINGLE("ALCL Switch", RK630_ALC_MUNIN_CTL,
|
RK630_ALCL_MUTE_SHT, 1, 0),
|
SOC_SINGLE("ALCR Switch", RK630_ALC_MUNIN_CTL,
|
RK630_ALCR_MUTE_SHT, 1, 0),
|
};
|
|
static int rk630_dacl_event(struct snd_soc_dapm_widget *w,
|
struct snd_kcontrol *kcontrol,
|
int event)
|
{
|
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
|
|
switch (event) {
|
case SND_SOC_DAPM_POST_PMU:
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACL_WORK, 0);
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACL_EN | RK630_DACL_CLK_EN,
|
RK630_DACL_EN | RK630_DACL_CLK_EN);
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACL_WORK, RK630_DACL_WORK);
|
break;
|
|
case SND_SOC_DAPM_POST_PMD:
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACL_EN
|
| RK630_DACL_CLK_EN, 0);
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACL_WORK, 0);
|
break;
|
|
default:
|
return 0;
|
}
|
|
return 0;
|
}
|
|
static int rk630_dacr_event(struct snd_soc_dapm_widget *w,
|
struct snd_kcontrol *kcontrol,
|
int event)
|
{
|
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
|
|
switch (event) {
|
case SND_SOC_DAPM_POST_PMU:
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACR_WORK, 0);
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACR_EN
|
| RK630_DACR_CLK_EN,
|
RK630_DACR_EN
|
| RK630_DACR_CLK_EN);
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACR_WORK,
|
RK630_DACR_WORK);
|
break;
|
|
case SND_SOC_DAPM_POST_PMD:
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACR_EN
|
| RK630_DACR_CLK_EN, 0);
|
snd_soc_component_update_bits(component, RK630_DAC_ENABLE,
|
RK630_DACR_WORK, 0);
|
break;
|
|
default:
|
return 0;
|
}
|
|
return 0;
|
}
|
|
static int rk630_adcl_event(struct snd_soc_dapm_widget *w,
|
struct snd_kcontrol *kcontrol, int event)
|
{
|
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
|
|
switch (event) {
|
case SND_SOC_DAPM_POST_PMU:
|
snd_soc_component_update_bits(component, RK630_ADC_ENABLE,
|
RK630_ADCL_CLK_EN
|
| RK630_ADCL_AMP_EN,
|
RK630_ADCL_CLK_EN
|
| RK630_ADCL_AMP_EN);
|
break;
|
|
case SND_SOC_DAPM_POST_PMD:
|
snd_soc_component_update_bits(component, RK630_ADC_ENABLE,
|
RK630_ADCL_CLK_EN
|
| RK630_ADCL_AMP_EN, 0);
|
break;
|
|
default:
|
return 0;
|
}
|
|
return 0;
|
}
|
|
static int rk630_adcr_event(struct snd_soc_dapm_widget *w,
|
struct snd_kcontrol *kcontrol, int event)
|
{
|
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
|
|
switch (event) {
|
case SND_SOC_DAPM_POST_PMU:
|
snd_soc_component_update_bits(component, RK630_ADC_ENABLE,
|
RK630_ADCR_CLK_EN
|
| RK630_ADCR_AMP_EN,
|
RK630_ADCR_CLK_EN
|
| RK630_ADCR_AMP_EN);
|
break;
|
|
case SND_SOC_DAPM_POST_PMD:
|
snd_soc_component_update_bits(component, RK630_ADC_ENABLE,
|
RK630_ADCR_CLK_EN
|
| RK630_ADCR_AMP_EN, 0);
|
break;
|
|
default:
|
return 0;
|
}
|
|
return 0;
|
}
|
|
/* HPmix */
|
static const struct snd_kcontrol_new rk630_hpmixl[] = {
|
SOC_DAPM_SINGLE("ALCR Switch", RK630_HPMIX_S_SELECT,
|
RK630_HPMIXL_SEL_ALCR_SFT, 1, 0),
|
SOC_DAPM_SINGLE("ALCL Switch", RK630_HPMIX_S_SELECT,
|
RK630_HPMIXL_SEL_ALCL_SFT, 1, 0),
|
SOC_DAPM_SINGLE("DACL Switch", RK630_HPMIX_S_SELECT,
|
RK630_HPMIXL_SEL_DACL_SFT, 1, 0),
|
};
|
|
static const struct snd_kcontrol_new rk630_hpmixr[] = {
|
SOC_DAPM_SINGLE("ALCR Switch", RK630_HPMIX_S_SELECT,
|
RK630_HPMIXR_SEL_ALCR_SFT, 1, 0),
|
SOC_DAPM_SINGLE("ALCL Switch", RK630_HPMIX_S_SELECT,
|
RK630_HPMIXR_SEL_ALCL_SFT, 1, 0),
|
SOC_DAPM_SINGLE("DACR Switch", RK630_HPMIX_S_SELECT,
|
RK630_HPMIXR_SEL_DACR_SFT, 1, 0),
|
};
|
|
static int rk630_hpmixl_event(struct snd_soc_dapm_widget *w,
|
struct snd_kcontrol *kcontrol, int event)
|
{
|
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
|
|
switch (event) {
|
case SND_SOC_DAPM_POST_PMU:
|
snd_soc_component_update_bits(component, RK630_DAC_CTL,
|
RK630_ZO_DET_VOUTL_EN,
|
RK630_ZO_DET_VOUTL_EN);
|
break;
|
|
case SND_SOC_DAPM_PRE_PMD:
|
snd_soc_component_update_bits(component, RK630_DAC_CTL,
|
RK630_ZO_DET_VOUTL_EN,
|
RK630_ZO_DET_VOUTL_DIS);
|
break;
|
|
default:
|
return 0;
|
}
|
|
return 0;
|
}
|
|
static int rk630_hpmixr_event(struct snd_soc_dapm_widget *w,
|
struct snd_kcontrol *kcontrol, int event)
|
{
|
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
|
|
switch (event) {
|
case SND_SOC_DAPM_POST_PMU:
|
snd_soc_component_update_bits(component, RK630_DAC_CTL,
|
RK630_ZO_DET_VOUTR_EN,
|
RK630_ZO_DET_VOUTR_EN);
|
break;
|
|
case SND_SOC_DAPM_PRE_PMD:
|
snd_soc_component_update_bits(component, RK630_DAC_CTL,
|
RK630_ZO_DET_VOUTR_EN,
|
RK630_ZO_DET_VOUTR_DIS);
|
break;
|
|
default:
|
return 0;
|
}
|
|
return 0;
|
}
|
|
/* HP MUX */
|
static const char *const hpl_sel[] = {"HPMIXL", "DACL"};
|
|
static const struct soc_enum hpl_sel_enum =
|
SOC_ENUM_SINGLE(RK630_HPMIX_S_SELECT, RK630_HPMIXL_BYPASS_SFT,
|
ARRAY_SIZE(hpl_sel), hpl_sel);
|
|
static const struct snd_kcontrol_new hpl_sel_mux =
|
SOC_DAPM_ENUM("HPL select Mux", hpl_sel_enum);
|
|
static const char *const hpr_sel[] = {"HPMIXR", "DACR"};
|
|
static const struct soc_enum hpr_sel_enum =
|
SOC_ENUM_SINGLE(RK630_HPMIX_S_SELECT, RK630_HPMIXR_BYPASS_SFT,
|
ARRAY_SIZE(hpr_sel), hpr_sel);
|
|
static const struct snd_kcontrol_new hpr_sel_mux =
|
SOC_DAPM_ENUM("HPR select Mux", hpr_sel_enum);
|
|
/* IN_L MUX */
|
static const char *const lnl_sel[] = {"NO", "BSTL", "LINEL", "NOUSE"};
|
|
static const struct soc_enum lnl_sel_enum =
|
SOC_ENUM_SINGLE(RK630_ALC_MUNIN_CTL, RK630_MUXINL_F_SHT,
|
ARRAY_SIZE(lnl_sel), lnl_sel);
|
|
static const struct snd_kcontrol_new lnl_sel_mux =
|
SOC_DAPM_ENUM("MUXIN_L select", lnl_sel_enum);
|
|
/* IN_R MUX */
|
static const char *const lnr_sel[] = {"NO", "BSTR", "LINER", "NOUSE"};
|
|
static const struct soc_enum lnr_sel_enum =
|
SOC_ENUM_SINGLE(RK630_ALC_MUNIN_CTL, RK630_MUXINR_F_SHT,
|
ARRAY_SIZE(lnr_sel), lnr_sel);
|
|
static const struct snd_kcontrol_new lnr_sel_mux =
|
SOC_DAPM_ENUM("MUXIN_R select", lnr_sel_enum);
|
|
static const struct snd_soc_dapm_widget rk630_dapm_widgets[] = {
|
/* microphone bias */
|
SND_SOC_DAPM_SUPPLY("Mic Bias", RK630_ADC_MIC_CTL, RK630_MICBIAS_VOL_ENABLE, 0, NULL, 0),
|
|
/* ADCs */
|
SND_SOC_DAPM_ADC_E("ADCL", NULL, SND_SOC_NOPM,
|
0, 0, rk630_adcl_event,
|
SND_SOC_DAPM_POST_PMD
|
| SND_SOC_DAPM_POST_PMU),
|
SND_SOC_DAPM_ADC_E("ADCR", NULL, SND_SOC_NOPM,
|
0, 0, rk630_adcr_event,
|
SND_SOC_DAPM_POST_PMD
|
| SND_SOC_DAPM_POST_PMU),
|
|
/* PGA */
|
SND_SOC_DAPM_PGA("BSTL", RK630_BST_CTL, RK630_BSTL_PWRD_SFT, 0, NULL, 0),
|
SND_SOC_DAPM_PGA("BSTR", RK630_BST_CTL, RK630_BSTR_PWRD_SFT, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("BSTL Mute", RK630_BST_CTL, RK630_BSTL_MUTE_SHT, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("BSTR Mute", RK630_BST_CTL, RK630_BSTR_MUTE_SHT, 0, NULL, 0),
|
SND_SOC_DAPM_PGA("ALCL", RK630_ALC_MUNIN_CTL, RK630_ALCL_PWR_SHT, 0, NULL, 0),
|
SND_SOC_DAPM_PGA("ALCR", RK630_ALC_MUNIN_CTL, RK630_ALCR_PWR_SHT, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("ALCL Mute", RK630_ALC_MUNIN_CTL, RK630_ALCL_MUTE_SHT, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("ALCR Mute", RK630_ALC_MUNIN_CTL, RK630_ALCR_MUTE_SHT, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("ALCL Ctl", RK630_ALC_CTL, 5, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("ALCR Ctl", RK630_ALC_CTL, 4, 0, NULL, 0),
|
|
/* DACs */
|
SND_SOC_DAPM_DAC_E("DACL", NULL, SND_SOC_NOPM,
|
0, 0, rk630_dacl_event,
|
SND_SOC_DAPM_POST_PMD
|
| SND_SOC_DAPM_POST_PMU),
|
SND_SOC_DAPM_DAC_E("DACR", NULL, SND_SOC_NOPM,
|
0, 0, rk630_dacr_event,
|
SND_SOC_DAPM_POST_PMD
|
| SND_SOC_DAPM_POST_PMU),
|
|
/* PGA */
|
SND_SOC_DAPM_PGA("HPL", RK630_HPOUT_CTL,
|
RK630_HPOUTL_PWR_SHT, 0, NULL, 0),
|
SND_SOC_DAPM_PGA("HPR", RK630_HPOUT_CTL,
|
RK630_HPOUTR_PWR_SHT, 0, NULL, 0),
|
|
/* MIXER */
|
SND_SOC_DAPM_MIXER_E("HPMIXL", RK630_HPMIX_CTL,
|
RK630_HPMIXL_SFT, 0,
|
rk630_hpmixl,
|
ARRAY_SIZE(rk630_hpmixl),
|
rk630_hpmixl_event,
|
SND_SOC_DAPM_PRE_PMD
|
| SND_SOC_DAPM_POST_PMU),
|
SND_SOC_DAPM_MIXER_E("HPMIXR", RK630_HPMIX_CTL,
|
RK630_HPMIXR_SFT, 0,
|
rk630_hpmixr,
|
ARRAY_SIZE(rk630_hpmixr),
|
rk630_hpmixr_event,
|
SND_SOC_DAPM_PRE_PMD
|
| SND_SOC_DAPM_POST_PMU),
|
|
SND_SOC_DAPM_SUPPLY("HPR Init", RK630_HPOUT_CTL, 3, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("HPL Init", RK630_HPOUT_CTL, 6, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("DACR Mute Off", RK630_HPOUT_CTL, 2, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("DACL Mute Off", RK630_HPOUT_CTL, 5, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("HPR Vref", RK630_HPOUT_CTL, 0, 0, NULL, 0),
|
SND_SOC_DAPM_SUPPLY("HPL Vref", RK630_HPOUT_CTL, 1, 0, NULL, 0),
|
|
/* MUX */
|
SND_SOC_DAPM_MUX("IN_R Mux", SND_SOC_NOPM, 0, 0, &lnr_sel_mux),
|
SND_SOC_DAPM_MUX("IN_L Mux", SND_SOC_NOPM, 0, 0, &lnl_sel_mux),
|
SND_SOC_DAPM_MUX("HPL Mux", SND_SOC_NOPM, 0, 0, &hpl_sel_mux),
|
SND_SOC_DAPM_MUX("HPR Mux", SND_SOC_NOPM, 0, 0, &hpr_sel_mux),
|
|
/* Audio Interface */
|
SND_SOC_DAPM_AIF_OUT("I2S DAC", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
|
SND_SOC_DAPM_AIF_IN("I2S ADC", "HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
|
|
/* Input */
|
SND_SOC_DAPM_INPUT("LINEL"),
|
SND_SOC_DAPM_INPUT("LINER"),
|
SND_SOC_DAPM_INPUT("MICP"),
|
SND_SOC_DAPM_INPUT("MICN"),
|
|
/* Output */
|
SND_SOC_DAPM_OUTPUT("HPOUTL"),
|
SND_SOC_DAPM_OUTPUT("HPOUTR"),
|
};
|
|
static const struct snd_soc_dapm_route rk630_dapm_routes[] = {
|
/* Input */
|
{"BSTR", NULL, "MICP"},
|
{"BSTL", NULL, "MICP"},
|
{"BSTL", NULL, "MICN"},
|
|
{"IN_R Mux", "LINER", "LINER"},
|
{"IN_R Mux", "BSTR", "BSTR"},
|
{"IN_L Mux", "LINEL", "LINEL"},
|
{"IN_L Mux", "BSTL", "BSTL"},
|
|
{"ALCL", NULL, "IN_L Mux"},
|
{"ALCR", NULL, "IN_R Mux"},
|
|
{"ADCR", NULL, "ALCR"},
|
{"ADCL", NULL, "ALCL"},
|
|
{"I2S ADC", NULL, "BSTR Mute"},
|
{"I2S ADC", NULL, "BSTL Mute"},
|
{"I2S ADC", NULL, "ALCR Mute"},
|
{"I2S ADC", NULL, "ALCL Mute"},
|
{"I2S ADC", NULL, "ALCR Ctl"},
|
{"I2S ADC", NULL, "ALCL Ctl"},
|
|
{"I2S ADC", NULL, "Mic Bias"},
|
|
{"I2S ADC", NULL, "ADCR"},
|
{"I2S ADC", NULL, "ADCL"},
|
|
/* Output */
|
{"DACR", NULL, "I2S DAC"},
|
{"DACL", NULL, "I2S DAC"},
|
|
{"HPMIXR", "ALCR Switch", "ALCR"},
|
{"HPMIXR", "ALCL Switch", "ALCL"},
|
{"HPMIXR", "DACR Switch", "DACR"},
|
|
{"HPMIXL", "ALCR Switch", "ALCR"},
|
{"HPMIXL", "ALCL Switch", "ALCL"},
|
{"HPMIXL", "DACL Switch", "DACL"},
|
|
{"HPR", NULL, "HPR Vref"},
|
{"HPL", NULL, "HPL Vref"},
|
|
{"DACR", NULL, "DACR Mute Off"},
|
{"DACL", NULL, "DACL Mute Off"},
|
|
{"HPR Mux", "DACR", "DACR"},
|
{"HPR Mux", "HPMIXR", "HPMIXR"},
|
{"HPL Mux", "DACL", "DACL"},
|
{"HPL Mux", "HPMIXL", "HPMIXL"},
|
|
{"HPR", NULL, "HPR Mux"},
|
{"HPL", NULL, "HPL Mux"},
|
|
{"HPR", NULL, "HPR Init"},
|
{"HPL", NULL, "HPL Init"},
|
|
{"HPOUTR", NULL, "HPR"},
|
{"HPOUTL", NULL, "HPL"},
|
};
|
|
static int rk630_codec_set_dai_sysclk(struct snd_soc_dai *codec_dai,
|
int clk_id, unsigned int freq, int dir)
|
{
|
struct snd_soc_component *component = codec_dai->component;
|
struct rk630_codec_priv *rk630 = snd_soc_component_get_drvdata(component);
|
|
if (!rk630) {
|
dev_warn(component->dev, "%s : rk630 is NULL\n", __func__);
|
return -EINVAL;
|
}
|
|
rk630->stereo_sysclk = freq;
|
|
return 0;
|
}
|
|
static int rk630_codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
|
unsigned int fmt)
|
{
|
struct snd_soc_component *component = codec_dai->component;
|
struct rk630_codec_priv *rk630 = snd_soc_component_get_drvdata(component);
|
unsigned int adc_aif1 = 0, adc_aif2 = 0, dac_aif1 = 0, dac_aif2 = 0;
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
case SND_SOC_DAIFMT_CBS_CFS:
|
adc_aif2 |= RK630_I2S_MODE_SLV;
|
/*set tx_lrck->lrck,rx_lrck->lrck*/
|
regmap_write(rk630->grf,
|
PLUMAGE_GRF_SOC_CON0,
|
((CON_TX_LRCK_EN_MASK | CON_RX_LRCK_EN_MASK) <<
|
PLUMAGE_GRF_MASK_SHIFT) |
|
(CON_TX_LRCK_EN | CON_RX_LRCK_EN));
|
/*sclk oe:1,lrck oe:1*/
|
regmap_write(rk630->grf,
|
PLUMAGE_GRF_SOC_CON0,
|
((CON_SCLK_OE_MASK | CON_I2S_LRCK_OE_MASK) <<
|
PLUMAGE_GRF_MASK_SHIFT) |
|
(CON_SCLK_OE_SLAVE | CON_I2S_LRCK_OE_SLAVE));
|
break;
|
case SND_SOC_DAIFMT_CBM_CFM:
|
adc_aif2 |= RK630_I2S_MODE_MST;
|
/*set tx_lrck->lrck*/
|
regmap_write(rk630->grf,
|
PLUMAGE_GRF_SOC_CON0,
|
((CON_TX_LRCK_EN_MASK | CON_RX_LRCK_EN_MASK) <<
|
PLUMAGE_GRF_MASK_SHIFT) |
|
(CON_TX_LRCK_EN | CON_RX_LRCK_DIS));
|
/*sclk oe:0,lrck oe:0*/
|
regmap_write(rk630->grf,
|
PLUMAGE_GRF_SOC_CON0,
|
((CON_SCLK_OE_MASK | CON_I2S_LRCK_OE_MASK) <<
|
PLUMAGE_GRF_MASK_SHIFT) |
|
(CON_SCLK_OE_MASTER | CON_I2S_LRCK_OE_MASTER));
|
break;
|
default:
|
dev_warn(component->dev, "%s : set master mask failed!\n", __func__);
|
return -EINVAL;
|
}
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
case SND_SOC_DAIFMT_DSP_A:
|
adc_aif1 |= RK630_ADC_DF_PCM;
|
dac_aif1 |= RK630_DAC_DF_PCM;
|
break;
|
case SND_SOC_DAIFMT_DSP_B:
|
break;
|
case SND_SOC_DAIFMT_I2S:
|
adc_aif1 |= RK630_ADC_DF_I2S;
|
dac_aif1 |= RK630_DAC_DF_I2S;
|
break;
|
case SND_SOC_DAIFMT_RIGHT_J:
|
adc_aif1 |= RK630_ADC_DF_RJ;
|
dac_aif1 |= RK630_DAC_DF_RJ;
|
break;
|
case SND_SOC_DAIFMT_LEFT_J:
|
adc_aif1 |= RK630_ADC_DF_LJ;
|
dac_aif1 |= RK630_DAC_DF_LJ;
|
break;
|
default:
|
dev_warn(component->dev, "%s : set format failed!\n", __func__);
|
return -EINVAL;
|
}
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
case SND_SOC_DAIFMT_NB_NF:
|
adc_aif1 |= RK630_ALRCK_POL_DIS;
|
adc_aif2 |= RK630_ABCLK_POL_DIS;
|
dac_aif1 |= RK630_DLRCK_POL_DIS;
|
dac_aif2 |= RK630_DBCLK_POL_DIS;
|
break;
|
case SND_SOC_DAIFMT_IB_IF:
|
adc_aif1 |= RK630_ALRCK_POL_EN;
|
adc_aif2 |= RK630_ABCLK_POL_EN;
|
dac_aif1 |= RK630_DLRCK_POL_EN;
|
dac_aif2 |= RK630_DBCLK_POL_EN;
|
break;
|
case SND_SOC_DAIFMT_IB_NF:
|
adc_aif1 |= RK630_ALRCK_POL_DIS;
|
adc_aif2 |= RK630_ABCLK_POL_EN;
|
dac_aif1 |= RK630_DLRCK_POL_DIS;
|
dac_aif2 |= RK630_DBCLK_POL_EN;
|
break;
|
case SND_SOC_DAIFMT_NB_IF:
|
adc_aif1 |= RK630_ALRCK_POL_EN;
|
adc_aif2 |= RK630_ABCLK_POL_DIS;
|
dac_aif1 |= RK630_DLRCK_POL_EN;
|
dac_aif2 |= RK630_DBCLK_POL_DIS;
|
break;
|
default:
|
dev_warn(component->dev, "%s : set dai format failed!\n", __func__);
|
return -EINVAL;
|
}
|
|
snd_soc_component_update_bits(component, RK630_ADC_INT_CTL1,
|
RK630_ALRCK_POL_MASK |
|
RK630_ADC_DF_MASK, adc_aif1);
|
snd_soc_component_update_bits(component, RK630_ADC_INT_CTL2,
|
RK630_ABCLK_POL_MASK |
|
RK630_I2S_MODE_MASK, adc_aif2);
|
snd_soc_component_update_bits(component, RK630_DAC_INT_CTL1,
|
RK630_DLRCK_POL_MASK |
|
RK630_DAC_DF_MASK, dac_aif1);
|
snd_soc_component_update_bits(component, RK630_DAC_INT_CTL2,
|
RK630_DBCLK_POL_MASK, dac_aif2);
|
|
return 0;
|
}
|
|
static int rk630_codec_hw_params(struct snd_pcm_substream *substream,
|
struct snd_pcm_hw_params *params,
|
struct snd_soc_dai *dai)
|
{
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
struct snd_soc_component *component = rtd->codec_dai->component;
|
struct rk630_codec_priv *rk630 = snd_soc_component_get_drvdata(component);
|
unsigned int rate = params_rate(params);
|
unsigned int div, approximate_sample;
|
unsigned int adc_aif1 = 0, adc_aif2 = 0, dac_aif1 = 0, dac_aif2 = 0;
|
|
if (!rk630) {
|
dev_warn(component->dev, "%s : rk630 is NULL\n", __func__);
|
return -EINVAL;
|
}
|
|
/* bclk = codec_clk / 4 */
|
/* lrck = bclk / (wl * 2) */
|
div = (((rk630->stereo_sysclk / 4) / rate) / 2);
|
if ((rk630->stereo_sysclk % (4 * rate * 2) > 0) ||
|
(div != 16 && div != 20 && div != 24 && div != 32)) {
|
dev_warn(component->dev, "%s : need PLL\n", __func__);
|
return -EINVAL;
|
}
|
|
switch (div) {
|
case 16:
|
adc_aif2 |= RK630_ADC_WL_16;
|
dac_aif2 |= RK630_DAC_WL_16;
|
break;
|
case 20:
|
adc_aif2 |= RK630_ADC_WL_20;
|
dac_aif2 |= RK630_DAC_WL_20;
|
break;
|
case 24:
|
adc_aif2 |= RK630_ADC_WL_24;
|
dac_aif2 |= RK630_DAC_WL_24;
|
break;
|
case 32:
|
adc_aif2 |= RK630_ADC_WL_32;
|
dac_aif2 |= RK630_DAC_WL_32;
|
break;
|
default:
|
return -EINVAL;
|
}
|
|
dev_dbg(component->dev, "%s : MCLK = %dHz, sample rate = %dHz, div = %d\n",
|
__func__, rk630->stereo_sysclk, rate, div);
|
|
switch (params_format(params)) {
|
case SNDRV_PCM_FORMAT_S16_LE:
|
adc_aif1 |= RK630_ADC_VWL_16;
|
dac_aif1 |= RK630_DAC_VWL_16;
|
break;
|
case SNDRV_PCM_FORMAT_S20_3LE:
|
adc_aif1 |= RK630_ADC_VWL_20;
|
dac_aif1 |= RK630_DAC_VWL_20;
|
break;
|
case SNDRV_PCM_FORMAT_S24_LE:
|
adc_aif1 |= RK630_ADC_VWL_24;
|
dac_aif1 |= RK630_DAC_VWL_24;
|
break;
|
case SNDRV_PCM_FORMAT_S32_LE:
|
adc_aif1 |= RK630_ADC_VWL_32;
|
dac_aif1 |= RK630_DAC_VWL_32;
|
break;
|
default:
|
return -EINVAL;
|
}
|
|
switch (params_channels(params)) {
|
case RK630_MONO:
|
adc_aif1 |= RK630_ADC_TYPE_MONO;
|
break;
|
case RK630_STEREO:
|
adc_aif1 |= RK630_ADC_TYPE_STEREO;
|
break;
|
default:
|
return -EINVAL;
|
}
|
|
adc_aif1 |= RK630_ADC_SWAP_DIS;
|
adc_aif2 |= RK630_ADC_RST_DIS;
|
dac_aif1 |= RK630_DAC_SWAP_DIS;
|
dac_aif2 |= RK630_DAC_RST_DIS;
|
|
rk630->rate = rate;
|
switch (rk630->rate) {
|
case 96000:
|
approximate_sample = RK630_PGA_ASR_96KHz;
|
break;
|
case 48000:
|
approximate_sample = RK630_PGA_ASR_48KHz;
|
break;
|
case 44100:
|
approximate_sample = RK630_PGA_ASR_441KHz;
|
break;
|
case 32000:
|
approximate_sample = RK630_PGA_ASR_32KHz;
|
break;
|
case 24000:
|
approximate_sample = RK630_PGA_ASR_24KHz;
|
break;
|
case 16000:
|
approximate_sample = RK630_PGA_ASR_16KHz;
|
break;
|
case 12000:
|
approximate_sample = RK630_PGA_ASR_12KHz;
|
break;
|
case 8000:
|
approximate_sample = RK630_PGA_ASR_8KHz;
|
break;
|
default:
|
return -EINVAL;
|
}
|
|
snd_soc_component_update_bits(component, RK630_PGAL_ASR_CTL,
|
RK630_PGA_ASR_MASK, approximate_sample);
|
snd_soc_component_update_bits(component, RK630_PGAR_ASR_CTL,
|
RK630_PGA_ASR_MASK, approximate_sample);
|
|
snd_soc_component_update_bits(component, RK630_ADC_INT_CTL1,
|
RK630_ADC_VWL_MASK |
|
RK630_ADC_SWAP_MASK |
|
RK630_ADC_TYPE_MASK,
|
adc_aif1);
|
snd_soc_component_update_bits(component, RK630_ADC_INT_CTL2,
|
RK630_ADC_WL_MASK |
|
RK630_ADC_RST_MASK,
|
adc_aif2);
|
snd_soc_component_update_bits(component, RK630_DAC_INT_CTL1,
|
RK630_DAC_VWL_MASK |
|
RK630_DAC_SWAP_MASK,
|
dac_aif1);
|
snd_soc_component_update_bits(component, RK630_DAC_INT_CTL2,
|
RK630_DAC_WL_MASK |
|
RK630_DAC_RST_MASK,
|
dac_aif2);
|
|
return 0;
|
}
|
|
static int rk630_codec_digital_mute(struct snd_soc_dai *dai, int mute)
|
{
|
struct snd_soc_component *component = dai->component;
|
struct rk630_codec_priv *rk630 = snd_soc_component_get_drvdata(component);
|
|
if (mute) {
|
if (rk630 && rk630->spk_ctl_gpio)
|
gpiod_set_value(rk630->spk_ctl_gpio, 0);
|
} else {
|
if (rk630 && rk630->spk_ctl_gpio)
|
gpiod_set_value(rk630->spk_ctl_gpio, 1);
|
}
|
|
return 0;
|
}
|
|
#define RK630_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\
|
SNDRV_PCM_RATE_16000 | \
|
SNDRV_PCM_RATE_32000 | \
|
SNDRV_PCM_RATE_44100 | \
|
SNDRV_PCM_RATE_48000 | \
|
SNDRV_PCM_RATE_96000 | \
|
SNDRV_PCM_RATE_192000)
|
|
#define RK630_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
|
SNDRV_PCM_RATE_16000 | \
|
SNDRV_PCM_RATE_32000 | \
|
SNDRV_PCM_RATE_44100 | \
|
SNDRV_PCM_RATE_48000 | \
|
SNDRV_PCM_RATE_96000)
|
|
#define RK630_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
|
SNDRV_PCM_FMTBIT_S20_3LE |\
|
SNDRV_PCM_FMTBIT_S24_LE |\
|
SNDRV_PCM_FMTBIT_S32_LE)
|
|
static const struct snd_soc_dai_ops rk630_dai_ops = {
|
.hw_params = rk630_codec_hw_params,
|
.set_fmt = rk630_codec_set_dai_fmt,
|
.set_sysclk = rk630_codec_set_dai_sysclk,
|
.digital_mute = rk630_codec_digital_mute,
|
};
|
|
static struct snd_soc_dai_driver rk630_dai[] = {
|
{
|
.name = "rk630-hifi",
|
.playback = {
|
.stream_name = "HiFi Playback",
|
.channels_min = 2,
|
.channels_max = 2,
|
.rates = RK630_PLAYBACK_RATES,
|
.formats = RK630_FORMATS,
|
},
|
.capture = {
|
.stream_name = "HiFi Capture",
|
.channels_min = 2,
|
.channels_max = 2,
|
.rates = RK630_CAPTURE_RATES,
|
.formats = RK630_FORMATS,
|
},
|
.ops = &rk630_dai_ops,
|
},
|
};
|
|
static int rk630_codec_probe(struct snd_soc_component *component)
|
{
|
struct rk630_codec_priv *rk630 = snd_soc_component_get_drvdata(component);
|
unsigned int val;
|
int ret;
|
|
snd_soc_component_init_regmap(component, rk630->regmap);
|
rk630->component = component;
|
snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
|
regmap_write(rk630->cru, CRU_GATE_CON0, GRU_ACODECPHY_EN);
|
|
snd_soc_component_read(component, RK630_RESET, &val);
|
if (val != 0x03) {
|
dev_err(component->dev, "%s : codec register 0: %x is not a 0x00000003\n",
|
__func__, val);
|
ret = -ENODEV;
|
goto err__;
|
}
|
|
rk630_init(component);
|
|
return 0;
|
err__:
|
dev_err(component->dev, "%s err ret=%d\n", __func__, ret);
|
|
return ret;
|
}
|
|
/* power down chip */
|
static void rk630_codec_remove(struct snd_soc_component *component)
|
{
|
struct rk630_codec_priv *rk630 = snd_soc_component_get_drvdata(component);
|
|
if (!rk630) {
|
dev_err(component->dev, "%s : rk630 is NULL\n", __func__);
|
return;
|
}
|
|
if (rk630->spk_ctl_gpio)
|
gpiod_set_value(rk630->spk_ctl_gpio, 0);
|
|
snd_soc_component_write(component, RK630_RESET, 0xfc);
|
snd_soc_component_write(component, RK630_RESET, 0x3);
|
}
|
|
static const struct snd_soc_component_driver soc_codec_dev_rk630 = {
|
.probe = rk630_codec_probe,
|
.remove = rk630_codec_remove,
|
.set_bias_level = rk630_set_bias_level,
|
.controls = rk630_snd_controls,
|
.num_controls = ARRAY_SIZE(rk630_snd_controls),
|
.dapm_routes = rk630_dapm_routes,
|
.num_dapm_routes = ARRAY_SIZE(rk630_dapm_routes),
|
.dapm_widgets = rk630_dapm_widgets,
|
.num_dapm_widgets = ARRAY_SIZE(rk630_dapm_widgets),
|
};
|
|
const struct regmap_config rk630_codec_regmap_config = {
|
.name = "rk630-codec",
|
.reg_bits = 32,
|
.val_bits = 32,
|
.reg_stride = 4,
|
.max_register = RK630_MAX_REG,
|
.cache_type = REGCACHE_NONE,
|
.writeable_reg = rk630_codec_register,
|
.readable_reg = rk630_codec_register,
|
.volatile_reg = rk630_volatile_register,
|
.reg_defaults = rk630_reg_defaults,
|
.num_reg_defaults = ARRAY_SIZE(rk630_reg_defaults),
|
.reg_format_endian = REGMAP_ENDIAN_NATIVE,
|
.val_format_endian = REGMAP_ENDIAN_NATIVE,
|
};
|
|
static int rk630_codec_platform_probe(struct platform_device *pdev)
|
{
|
struct device_node *rk630_np = pdev->dev.of_node;
|
struct rk630 *rk630 = dev_get_drvdata(pdev->dev.parent);
|
struct rk630_codec_priv *rk630_codec;
|
int ret;
|
|
rk630_codec = devm_kzalloc(&pdev->dev, sizeof(*rk630_codec), GFP_KERNEL);
|
if (!rk630_codec)
|
return -ENOMEM;
|
|
rk630_codec->dev = &pdev->dev;
|
|
platform_set_drvdata(pdev, rk630_codec);
|
|
rk630_codec->grf = rk630->grf;
|
if (IS_ERR(rk630_codec->grf)) {
|
dev_err(&pdev->dev, "needs rk630 grf\n");
|
ret = PTR_ERR(rk630_codec->grf);
|
goto err__;
|
}
|
|
rk630_codec->cru = rk630->cru;
|
if (IS_ERR(rk630_codec->cru)) {
|
dev_err(&pdev->dev, "needs rk630 cru\n");
|
ret = PTR_ERR(rk630_codec->cru);
|
goto err__;
|
}
|
|
rk630_codec->regmap = rk630->codec;
|
if (IS_ERR(rk630_codec->regmap)) {
|
dev_err(&pdev->dev, "needs rk630 codec\n");
|
ret = PTR_ERR(rk630_codec->regmap);
|
goto err__;
|
}
|
|
rk630_codec->spk_ctl_gpio = devm_gpiod_get_optional(&pdev->dev, "spk-ctl",
|
GPIOD_OUT_LOW);
|
if (!IS_ERR_OR_NULL(rk630_codec->spk_ctl_gpio))
|
dev_dbg(&pdev->dev, "spk-ctl-gpio %d\n", desc_to_gpio(rk630_codec->spk_ctl_gpio));
|
|
rk630_codec->mclk = devm_clk_get(&pdev->dev, "mclk");
|
if (IS_ERR(rk630_codec->mclk)) {
|
dev_err(&pdev->dev, "Unable to get mclk\n");
|
ret = -ENXIO;
|
goto err__;
|
}
|
|
ret = clk_prepare_enable(rk630_codec->mclk);
|
if (ret < 0) {
|
dev_err(&pdev->dev, "%s() clock prepare error %d\n",
|
__func__, ret);
|
goto err__;
|
}
|
|
rk630_codec->mic_in_differential =
|
of_property_read_bool(rk630_np, "mic-in-differential");
|
|
return devm_snd_soc_register_component(&pdev->dev, &soc_codec_dev_rk630,
|
rk630_dai, ARRAY_SIZE(rk630_dai));
|
err__:
|
platform_set_drvdata(pdev, NULL);
|
|
return ret;
|
}
|
|
static int rk630_codec_platform_remove(struct platform_device *pdev)
|
{
|
struct rk630_codec_priv *rk630_codec = platform_get_drvdata(pdev);
|
|
clk_disable_unprepare(rk630_codec->mclk);
|
|
return 0;
|
}
|
|
static void rk630_codec_platform_shutdown(struct platform_device *pdev)
|
{
|
struct rk630_codec_priv *rk630 = dev_get_drvdata(&pdev->dev);
|
|
if (!rk630 || !rk630->component)
|
return;
|
|
if (rk630->spk_ctl_gpio)
|
gpiod_set_value(rk630->spk_ctl_gpio, 0);
|
|
snd_soc_component_write(rk630->component, RK630_RESET, 0xfc);
|
snd_soc_component_write(rk630->component, RK630_RESET, 0x03);
|
}
|
|
static const struct of_device_id rk630_codec_of_match[] = {
|
{ .compatible = "rockchip,rk630-codec" },
|
{},
|
};
|
|
static struct platform_driver rk630_codec_driver = {
|
.driver = {
|
.name = "rk630-codec",
|
.of_match_table = of_match_ptr(rk630_codec_of_match),
|
},
|
.probe = rk630_codec_platform_probe,
|
.remove = rk630_codec_platform_remove,
|
.shutdown = rk630_codec_platform_shutdown,
|
};
|
module_platform_driver(rk630_codec_driver);
|
|
MODULE_DESCRIPTION("ASoC RK630 CODEC driver");
|
MODULE_AUTHOR("Xinhuang Li <buluess.li@rock-chips.com>");
|
MODULE_LICENSE("GPL");
|
