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rt700.c
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// SPDX-License-Identifier: GPL-2.0
//
// rt700.c -- rt700 ALSA SoC audio driver
//
// Copyright(c) 2019 Realtek Semiconductor Corp.
//
//
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm_runtime.h>
#include <linux/pm.h>
#include <linux/soundwire/sdw.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/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/hda_verbs.h>
#include <sound/jack.h>
#include "rt700.h"
static int rt700_index_write(struct regmap *regmap,
unsigned int reg, unsigned int value)
{
int ret;
unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
ret = regmap_write(regmap, addr, value);
if (ret < 0)
pr_err("Failed to set private value: %06x <= %04x ret=%d\n",
addr, value, ret);
return ret;
}
static int rt700_index_read(struct regmap *regmap,
unsigned int reg, unsigned int *value)
{
int ret;
unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
*value = 0;
ret = regmap_read(regmap, addr, value);
if (ret < 0)
pr_err("Failed to get private value: %06x => %04x ret=%d\n",
addr, *value, ret);
return ret;
}
static unsigned int rt700_button_detect(struct rt700_priv *rt700)
{
unsigned int btn_type = 0, val80, val81;
int ret;
ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE1, &val80);
if (ret < 0)
goto read_error;
ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE2, &val81);
if (ret < 0)
goto read_error;
val80 &= 0x0381;
val81 &= 0xff00;
switch (val80) {
case 0x0200:
case 0x0100:
case 0x0080:
btn_type |= SND_JACK_BTN_0;
break;
case 0x0001:
btn_type |= SND_JACK_BTN_3;
break;
}
switch (val81) {
case 0x8000:
case 0x4000:
case 0x2000:
btn_type |= SND_JACK_BTN_1;
break;
case 0x1000:
case 0x0800:
case 0x0400:
btn_type |= SND_JACK_BTN_2;
break;
case 0x0200:
case 0x0100:
btn_type |= SND_JACK_BTN_3;
break;
}
read_error:
return btn_type;
}
static int rt700_headset_detect(struct rt700_priv *rt700)
{
unsigned int buf, loop = 0;
int ret;
unsigned int jack_status = 0, reg;
ret = rt700_index_read(rt700->regmap,
RT700_COMBO_JACK_AUTO_CTL2, &buf);
if (ret < 0)
goto io_error;
while (loop < 500 &&
(buf & RT700_COMBOJACK_AUTO_DET_STATUS) == 0) {
loop++;
usleep_range(9000, 10000);
ret = rt700_index_read(rt700->regmap,
RT700_COMBO_JACK_AUTO_CTL2, &buf);
if (ret < 0)
goto io_error;
reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
ret = regmap_read(rt700->regmap, reg, &jack_status);
if ((jack_status & (1 << 31)) == 0)
goto remove_error;
}
if (loop >= 500)
goto to_error;
if (buf & RT700_COMBOJACK_AUTO_DET_TRS)
rt700->jack_type = SND_JACK_HEADPHONE;
else if ((buf & RT700_COMBOJACK_AUTO_DET_CTIA) ||
(buf & RT700_COMBOJACK_AUTO_DET_OMTP))
rt700->jack_type = SND_JACK_HEADSET;
return 0;
to_error:
ret = -ETIMEDOUT;
pr_err_ratelimited("Time-out error in %s\n", __func__);
return ret;
io_error:
pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
return ret;
remove_error:
pr_err_ratelimited("Jack removal in %s\n", __func__);
return -ENODEV;
}
static void rt700_jack_detect_handler(struct work_struct *work)
{
struct rt700_priv *rt700 =
container_of(work, struct rt700_priv, jack_detect_work.work);
int btn_type = 0, ret;
unsigned int jack_status = 0, reg;
if (!rt700->hs_jack)
return;
if (!rt700->component->card->instantiated)
return;
reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
ret = regmap_read(rt700->regmap, reg, &jack_status);
if (ret < 0)
goto io_error;
/* pin attached */
if (jack_status & (1 << 31)) {
/* jack in */
if (rt700->jack_type == 0) {
ret = rt700_headset_detect(rt700);
if (ret < 0)
return;
if (rt700->jack_type == SND_JACK_HEADSET)
btn_type = rt700_button_detect(rt700);
} else if (rt700->jack_type == SND_JACK_HEADSET) {
/* jack is already in, report button event */
btn_type = rt700_button_detect(rt700);
}
} else {
/* jack out */
rt700->jack_type = 0;
}
dev_dbg(&rt700->slave->dev,
"in %s, jack_type=0x%x\n", __func__, rt700->jack_type);
dev_dbg(&rt700->slave->dev,
"in %s, btn_type=0x%x\n", __func__, btn_type);
snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,
SND_JACK_HEADSET |
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3);
if (btn_type) {
/* button released */
snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,
SND_JACK_HEADSET |
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3);
mod_delayed_work(system_power_efficient_wq,
&rt700->jack_btn_check_work, msecs_to_jiffies(200));
}
return;
io_error:
pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
}
static void rt700_btn_check_handler(struct work_struct *work)
{
struct rt700_priv *rt700 = container_of(work, struct rt700_priv,
jack_btn_check_work.work);
int btn_type = 0, ret;
unsigned int jack_status = 0, reg;
reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
ret = regmap_read(rt700->regmap, reg, &jack_status);
if (ret < 0)
goto io_error;
/* pin attached */
if (jack_status & (1 << 31)) {
if (rt700->jack_type == SND_JACK_HEADSET) {
/* jack is already in, report button event */
btn_type = rt700_button_detect(rt700);
}
} else {
rt700->jack_type = 0;
}
/* cbj comparator */
ret = rt700_index_read(rt700->regmap, RT700_COMBO_JACK_AUTO_CTL2, ®);
if (ret < 0)
goto io_error;
if ((reg & 0xf0) == 0xf0)
btn_type = 0;
dev_dbg(&rt700->slave->dev,
"%s, btn_type=0x%x\n", __func__, btn_type);
snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,
SND_JACK_HEADSET |
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3);
if (btn_type) {
/* button released */
snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,
SND_JACK_HEADSET |
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3);
mod_delayed_work(system_power_efficient_wq,
&rt700->jack_btn_check_work, msecs_to_jiffies(200));
}
return;
io_error:
pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
}
static void rt700_jack_init(struct rt700_priv *rt700)
{
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(rt700->component);
/* power on */
if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
regmap_write(rt700->regmap,
RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
if (rt700->hs_jack) {
/* Enable Jack Detection */
regmap_write(rt700->regmap,
RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x82);
regmap_write(rt700->regmap,
RT700_SET_HP_UNSOLICITED_ENABLE, 0x81);
regmap_write(rt700->regmap,
RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x83);
rt700_index_write(rt700->regmap, 0x10, 0x2420);
rt700_index_write(rt700->regmap, 0x19, 0x2e11);
dev_dbg(&rt700->slave->dev, "in %s enable\n", __func__);
mod_delayed_work(system_power_efficient_wq,
&rt700->jack_detect_work, msecs_to_jiffies(250));
} else {
regmap_write(rt700->regmap,
RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x00);
regmap_write(rt700->regmap,
RT700_SET_HP_UNSOLICITED_ENABLE, 0x00);
regmap_write(rt700->regmap,
RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x00);
dev_dbg(&rt700->slave->dev, "in %s disable\n", __func__);
}
/* power off */
if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
regmap_write(rt700->regmap,
RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
}
static int rt700_set_jack_detect(struct snd_soc_component *component,
struct snd_soc_jack *hs_jack, void *data)
{
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
rt700->hs_jack = hs_jack;
if (!rt700->hw_init) {
dev_dbg(&rt700->slave->dev,
"%s hw_init not ready yet\n", __func__);
return 0;
}
rt700_jack_init(rt700);
return 0;
}
static void rt700_get_gain(struct rt700_priv *rt700, unsigned int addr_h,
unsigned int addr_l, unsigned int val_h,
unsigned int *r_val, unsigned int *l_val)
{
/* R Channel */
*r_val = (val_h << 8);
regmap_read(rt700->regmap, addr_l, r_val);
/* L Channel */
val_h |= 0x20;
*l_val = (val_h << 8);
regmap_read(rt700->regmap, addr_h, l_val);
}
/* For Verb-Set Amplifier Gain (Verb ID = 3h) */
static int rt700_set_amp_gain_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(component);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
unsigned int addr_h, addr_l, val_h, val_ll, val_lr;
unsigned int read_ll, read_rl;
int i;
/* Can't use update bit function, so read the original value first */
addr_h = mc->reg;
addr_l = mc->rreg;
if (mc->shift == RT700_DIR_OUT_SFT) /* output */
val_h = 0x80;
else /* input */
val_h = 0x0;
rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
/* L Channel */
if (mc->invert) {
/* for mute */
val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7;
/* keep gain */
read_ll = read_ll & 0x7f;
val_ll |= read_ll;
} else {
/* for gain */
val_ll = ((ucontrol->value.integer.value[0]) & 0x7f);
if (val_ll > mc->max)
val_ll = mc->max;
/* keep mute status */
read_ll = read_ll & 0x80;
val_ll |= read_ll;
}
if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
regmap_write(rt700->regmap,
RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
/* R Channel */
if (mc->invert) {
/* for mute */
val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7;
/* keep gain */
read_rl = read_rl & 0x7f;
val_lr |= read_rl;
} else {
/* for gain */
val_lr = ((ucontrol->value.integer.value[1]) & 0x7f);
if (val_lr > mc->max)
val_lr = mc->max;
/* keep mute status */
read_rl = read_rl & 0x80;
val_lr |= read_rl;
}
for (i = 0; i < 3; i++) { /* retry 3 times at most */
if (val_ll == val_lr) {
/* Set both L/R channels at the same time */
val_h = (1 << mc->shift) | (3 << 4);
regmap_write(rt700->regmap,
addr_h, (val_h << 8 | val_ll));
regmap_write(rt700->regmap,
addr_l, (val_h << 8 | val_ll));
} else {
/* Lch*/
val_h = (1 << mc->shift) | (1 << 5);
regmap_write(rt700->regmap,
addr_h, (val_h << 8 | val_ll));
/* Rch */
val_h = (1 << mc->shift) | (1 << 4);
regmap_write(rt700->regmap,
addr_l, (val_h << 8 | val_lr));
}
/* check result */
if (mc->shift == RT700_DIR_OUT_SFT) /* output */
val_h = 0x80;
else /* input */
val_h = 0x0;
rt700_get_gain(rt700, addr_h, addr_l, val_h,
&read_rl, &read_ll);
if (read_rl == val_lr && read_ll == val_ll)
break;
}
if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
regmap_write(rt700->regmap,
RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
return 0;
}
static int rt700_set_amp_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int addr_h, addr_l, val_h;
unsigned int read_ll, read_rl;
addr_h = mc->reg;
addr_l = mc->rreg;
if (mc->shift == RT700_DIR_OUT_SFT) /* output */
val_h = 0x80;
else /* input */
val_h = 0x0;
rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
if (mc->invert) {
/* for mute status */
read_ll = !((read_ll & 0x80) >> RT700_MUTE_SFT);
read_rl = !((read_rl & 0x80) >> RT700_MUTE_SFT);
} else {
/* for gain */
read_ll = read_ll & 0x7f;
read_rl = read_rl & 0x7f;
}
ucontrol->value.integer.value[0] = read_ll;
ucontrol->value.integer.value[1] = read_rl;
return 0;
}
static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0);
static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
static const struct snd_kcontrol_new rt700_snd_controls[] = {
SOC_DOUBLE_R_EXT_TLV("DAC Front Playback Volume",
RT700_SET_GAIN_DAC1_H, RT700_SET_GAIN_DAC1_L,
RT700_DIR_OUT_SFT, 0x57, 0,
rt700_set_amp_gain_get, rt700_set_amp_gain_put, out_vol_tlv),
SOC_DOUBLE_R_EXT("ADC 08 Capture Switch",
RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
RT700_DIR_IN_SFT, 1, 1,
rt700_set_amp_gain_get, rt700_set_amp_gain_put),
SOC_DOUBLE_R_EXT("ADC 09 Capture Switch",
RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
RT700_DIR_IN_SFT, 1, 1,
rt700_set_amp_gain_get, rt700_set_amp_gain_put),
SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume",
RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
RT700_DIR_IN_SFT, 0x3f, 0,
rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume",
RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
RT700_DIR_IN_SFT, 0x3f, 0,
rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("AMIC Volume",
RT700_SET_GAIN_AMIC_H, RT700_SET_GAIN_AMIC_L,
RT700_DIR_IN_SFT, 3, 0,
rt700_set_amp_gain_get, rt700_set_amp_gain_put, mic_vol_tlv),
};
static int rt700_mux_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_dapm_kcontrol_component(kcontrol);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
unsigned int reg, val = 0, nid;
int ret;
if (strstr(ucontrol->id.name, "HPO Mux"))
nid = RT700_HP_OUT;
else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
nid = RT700_MIXER_IN1;
else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
nid = RT700_MIXER_IN2;
else
return -EINVAL;
/* vid = 0xf01 */
reg = RT700_VERB_SET_CONNECT_SEL | nid;
ret = regmap_read(rt700->regmap, reg, &val);
if (ret < 0)
return ret;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
static int rt700_mux_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_dapm_kcontrol_component(kcontrol);
struct snd_soc_dapm_context *dapm =
snd_soc_dapm_kcontrol_dapm(kcontrol);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int *item = ucontrol->value.enumerated.item;
unsigned int val, val2 = 0, change, reg, nid;
int ret;
if (item[0] >= e->items)
return -EINVAL;
if (strstr(ucontrol->id.name, "HPO Mux"))
nid = RT700_HP_OUT;
else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
nid = RT700_MIXER_IN1;
else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
nid = RT700_MIXER_IN2;
else
return -EINVAL;
/* Verb ID = 0x701h */
val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
reg = RT700_VERB_SET_CONNECT_SEL | nid;
ret = regmap_read(rt700->regmap, reg, &val2);
if (ret < 0)
return ret;
if (val == val2)
change = 0;
else
change = 1;
if (change) {
reg = RT700_VERB_SET_CONNECT_SEL | nid;
regmap_write(rt700->regmap, reg, val);
}
snd_soc_dapm_mux_update_power(dapm, kcontrol,
item[0], e, NULL);
return change;
}
static const char * const adc_mux_text[] = {
"MIC2",
"LINE1",
"LINE2",
"DMIC",
};
static SOC_ENUM_SINGLE_DECL(
rt700_adc22_enum, SND_SOC_NOPM, 0, adc_mux_text);
static SOC_ENUM_SINGLE_DECL(
rt700_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text);
static const struct snd_kcontrol_new rt700_adc22_mux =
SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt700_adc22_enum,
rt700_mux_get, rt700_mux_put);
static const struct snd_kcontrol_new rt700_adc23_mux =
SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt700_adc23_enum,
rt700_mux_get, rt700_mux_put);
static const char * const out_mux_text[] = {
"Front",
"Surround",
};
static SOC_ENUM_SINGLE_DECL(
rt700_hp_enum, SND_SOC_NOPM, 0, out_mux_text);
static const struct snd_kcontrol_new rt700_hp_mux =
SOC_DAPM_ENUM_EXT("HP Mux", rt700_hp_enum,
rt700_mux_get, rt700_mux_put);
static int rt700_dac_front_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);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_write(rt700->regmap,
RT700_SET_STREAMID_DAC1, 0x10);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_write(rt700->regmap,
RT700_SET_STREAMID_DAC1, 0x00);
break;
}
return 0;
}
static int rt700_dac_surround_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);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_write(rt700->regmap,
RT700_SET_STREAMID_DAC2, 0x10);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_write(rt700->regmap,
RT700_SET_STREAMID_DAC2, 0x00);
break;
}
return 0;
}
static int rt700_adc_09_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);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_write(rt700->regmap,
RT700_SET_STREAMID_ADC1, 0x10);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_write(rt700->regmap,
RT700_SET_STREAMID_ADC1, 0x00);
break;
}
return 0;
}
static int rt700_adc_08_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);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_write(rt700->regmap,
RT700_SET_STREAMID_ADC2, 0x10);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_write(rt700->regmap,
RT700_SET_STREAMID_ADC2, 0x00);
break;
}
return 0;
}
static int rt700_hpo_mux_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);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
unsigned int val_l;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
val_l = 0x00;
regmap_write(rt700->regmap,
RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
break;
case SND_SOC_DAPM_PRE_PMD:
val_l = (1 << RT700_MUTE_SFT);
regmap_write(rt700->regmap,
RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
usleep_range(50000, 55000);
break;
}
return 0;
}
static int rt700_spk_pga_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);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
unsigned int val_l;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
val_l = 0x00;
regmap_write(rt700->regmap,
RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
break;
case SND_SOC_DAPM_PRE_PMD:
val_l = (1 << RT700_MUTE_SFT);
regmap_write(rt700->regmap,
RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
break;
}
return 0;
}
static const struct snd_soc_dapm_widget rt700_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("HP"),
SND_SOC_DAPM_OUTPUT("SPK"),
SND_SOC_DAPM_INPUT("DMIC1"),
SND_SOC_DAPM_INPUT("DMIC2"),
SND_SOC_DAPM_INPUT("MIC2"),
SND_SOC_DAPM_INPUT("LINE1"),
SND_SOC_DAPM_INPUT("LINE2"),
SND_SOC_DAPM_DAC_E("DAC Front", NULL, SND_SOC_NOPM, 0, 0,
rt700_dac_front_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_DAC_E("DAC Surround", NULL, SND_SOC_NOPM, 0, 0,
rt700_dac_surround_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_MUX_E("HPO Mux", SND_SOC_NOPM, 0, 0, &rt700_hp_mux,
rt700_hpo_mux_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_E("SPK PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
rt700_spk_pga_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_ADC_E("ADC 09", NULL, SND_SOC_NOPM, 0, 0,
rt700_adc_09_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_ADC_E("ADC 08", NULL, SND_SOC_NOPM, 0, 0,
rt700_adc_08_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
&rt700_adc22_mux),
SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
&rt700_adc23_mux),
SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
};
static const struct snd_soc_dapm_route rt700_audio_map[] = {
{"DAC Front", NULL, "DP1RX"},
{"DAC Surround", NULL, "DP3RX"},
{"DP2TX", NULL, "ADC 09"},
{"DP4TX", NULL, "ADC 08"},
{"ADC 09", NULL, "ADC 22 Mux"},
{"ADC 08", NULL, "ADC 23 Mux"},
{"ADC 22 Mux", "DMIC", "DMIC1"},
{"ADC 22 Mux", "LINE1", "LINE1"},
{"ADC 22 Mux", "LINE2", "LINE2"},
{"ADC 22 Mux", "MIC2", "MIC2"},
{"ADC 23 Mux", "DMIC", "DMIC2"},
{"ADC 23 Mux", "LINE1", "LINE1"},
{"ADC 23 Mux", "LINE2", "LINE2"},
{"ADC 23 Mux", "MIC2", "MIC2"},
{"HPO Mux", "Front", "DAC Front"},
{"HPO Mux", "Surround", "DAC Surround"},
{"HP", NULL, "HPO Mux"},
{"SPK PGA", NULL, "DAC Front"},
{"SPK", NULL, "SPK PGA"},
};
static int rt700_probe(struct snd_soc_component *component)
{
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
rt700->component = component;
return 0;
}
static int rt700_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(component);
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
switch (level) {
case SND_SOC_BIAS_PREPARE:
if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
regmap_write(rt700->regmap,
RT700_SET_AUDIO_POWER_STATE,
AC_PWRST_D0);
}
break;
case SND_SOC_BIAS_STANDBY:
regmap_write(rt700->regmap,
RT700_SET_AUDIO_POWER_STATE,
AC_PWRST_D3);
break;
default:
break;
}
dapm->bias_level = level;
return 0;
}
static const struct snd_soc_component_driver soc_codec_dev_rt700 = {
.probe = rt700_probe,
.set_bias_level = rt700_set_bias_level,
.controls = rt700_snd_controls,
.num_controls = ARRAY_SIZE(rt700_snd_controls),
.dapm_widgets = rt700_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt700_dapm_widgets),
.dapm_routes = rt700_audio_map,
.num_dapm_routes = ARRAY_SIZE(rt700_audio_map),
.set_jack = rt700_set_jack_detect,
};
static int rt700_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
int direction)
{
struct sdw_stream_data *stream;
if (!sdw_stream)
return 0;
stream = kzalloc(sizeof(*stream), GFP_KERNEL);
if (!stream)
return -ENOMEM;
stream->sdw_stream = (struct sdw_stream_runtime *)sdw_stream;
/* Use tx_mask or rx_mask to configure stream tag and set dma_data */
if (direction == SNDRV_PCM_STREAM_PLAYBACK)
dai->playback_dma_data = stream;
else
dai->capture_dma_data = stream;
return 0;
}
static void rt700_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct sdw_stream_data *stream;
stream = snd_soc_dai_get_dma_data(dai, substream);
snd_soc_dai_set_dma_data(dai, substream, NULL);
kfree(stream);
}
static int rt700_pcm_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;
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
struct sdw_stream_config stream_config;
struct sdw_port_config port_config;
enum sdw_data_direction direction;
struct sdw_stream_data *stream;
int retval, port, num_channels;
unsigned int val = 0;
dev_dbg(dai->dev, "%s %s", __func__, dai->name);
stream = snd_soc_dai_get_dma_data(dai, substream);
if (!stream)
return -EINVAL;
if (!rt700->slave)
return -EINVAL;
/* SoundWire specific configuration */
/* This code assumes port 1 for playback and port 2 for capture */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
direction = SDW_DATA_DIR_RX;
port = 1;
} else {
direction = SDW_DATA_DIR_TX;
port = 2;
}
switch (dai->id) {
case RT700_AIF1:
break;
case RT700_AIF2:
port += 2;
break;
default:
dev_err(component->dev, "Invalid DAI id %d\n", dai->id);
return -EINVAL;
}
stream_config.frame_rate = params_rate(params);
stream_config.ch_count = params_channels(params);
stream_config.bps = snd_pcm_format_width(params_format(params));
stream_config.direction = direction;
num_channels = params_channels(params);
port_config.ch_mask = (1 << (num_channels)) - 1;
port_config.num = port;
retval = sdw_stream_add_slave(rt700->slave, &stream_config,
&port_config, 1, stream->sdw_stream);
if (retval) {
dev_err(dai->dev, "Unable to configure port\n");
return retval;
}
if (params_channels(params) <= 16) {
/* bit 3:0 Number of Channel */
val |= (params_channels(params) - 1);
} else {
dev_err(component->dev, "Unsupported channels %d\n",
params_channels(params));
return -EINVAL;
}
switch (params_width(params)) {
/* bit 6:4 Bits per Sample */
case 8:
break;
case 16:
val |= (0x1 << 4);
break;
case 20:
val |= (0x2 << 4);
break;
case 24:
val |= (0x3 << 4);
break;
case 32:
val |= (0x4 << 4);
break;
default:
return -EINVAL;
}
/* 48Khz */
regmap_write(rt700->regmap, RT700_DAC_FORMAT_H, val);
regmap_write(rt700->regmap, RT700_ADC_FORMAT_H, val);
return retval;
}
static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
struct sdw_stream_data *stream =
snd_soc_dai_get_dma_data(dai, substream);
if (!rt700->slave)
return -EINVAL;
sdw_stream_remove_slave(rt700->slave, stream->sdw_stream);
return 0;
}