// 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/sdw.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("%s: Failed to set private value: %06x <= %04x ret=%d\n",
__func__, 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("%s: Failed to get private value: %06x => %04x ret=%d\n",
__func__, 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 (!snd_soc_card_is_instantiated(rt700->component->card))
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);
int ret;
rt700->hs_jack = hs_jack;
/* we can only resume if the device was initialized at least once */
if (!rt700->first_hw_init)
return 0;
ret = pm_runtime_resume_and_get(component->dev);
if (ret < 0) {
if (ret != -EACCES) {
dev_err(component->dev, "%s: failed to resume %d\n", __func__, ret);
return ret;
}
/* pm_runtime not enabled yet */
dev_dbg(component->dev, "%s: skipping jack init for now\n", __func__);
return 0;
}
rt700_jack_init(rt700);
pm_runtime_mark_last_busy(component->dev);
pm_runtime_put_autosuspend(component->dev);
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);
int ret;
rt700->component = component;
if (!rt700->first_hw_init)
return 0;
ret = pm_runtime_resume(component->dev);
if (ret < 0 && ret != -EACCES)
return ret;
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,
.endianness = 1,
};
static int rt700_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
int direction)
{
snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
return 0;
}
static void rt700_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
snd_soc_dai_set_dma_data(dai, substream, NULL);
}
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 = {0};
struct sdw_port_config port_config = {0};
struct sdw_stream_runtime *sdw_stream;
int retval;
unsigned int val = 0;
dev_dbg(dai->dev, "%s %s", __func__, dai->name);
sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
if (!sdw_stream)
return -EINVAL;
if (!rt700->slave)
return -EINVAL;
/* SoundWire specific configuration */
snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
/* This code assumes port 1 for playback and port 2 for capture */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
port_config.num = 1;
else
port_config.num = 2;
switch (dai->id) {
case RT700_AIF1:
break;
case RT700_AIF2:
port_config.num += 2;
break;
default:
dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);
return -EINVAL;
}
retval = sdw_stream_add_slave(rt700->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
if (params_channels(params) <= 16) {
/* bit 3:0 Number of Channel */
val |= (params_channels(params) - 1);
} else {
dev_err(component->dev, "%s: Unsupported channels %d\n",
__func__, 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_runtime *sdw_stream =
snd_soc_dai_get_dma_data(dai, substream);
if (!rt700->slave)
return -EINVAL;
sdw_stream_remove_slave(rt700->slave, sdw_stream);
return 0;
}
#define RT700_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
#define RT700_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
static const struct snd_soc_dai_ops rt700_ops = {
.hw_params = rt700_pcm_hw_params,
.hw_free = rt700_pcm_hw_free,
.set_stream = rt700_set_sdw_stream,
.shutdown = rt700_shutdown,
};
static struct snd_soc_dai_driver rt700_dai[] = {
{
.name = "rt700-aif1",
.id = RT700_AIF1,
.playback = {
.stream_name = "DP1 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = RT700_STEREO_RATES,
.formats = RT700_FORMATS,
},
.capture = {
.stream_name = "DP2 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = RT700_STEREO_RATES,
.formats = RT700_FORMATS,
},
.ops = &rt700_ops,
},
{
.name = "rt700-aif2",
.id = RT700_AIF2,
.playback = {
.stream_name = "DP3 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = RT700_STEREO_RATES,
.formats = RT700_FORMATS,
},
.capture = {
.stream_name = "DP4 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = RT700_STEREO_RATES,
.formats = RT700_FORMATS,
},
.ops = &rt700_ops,
},
};
/* Bus clock frequency */
#define RT700_CLK_FREQ_9600000HZ 9600000
#define RT700_CLK_FREQ_12000000HZ 12000000
#define RT700_CLK_FREQ_6000000HZ 6000000
#define RT700_CLK_FREQ_4800000HZ 4800000
#define RT700_CLK_FREQ_2400000HZ 2400000
#define RT700_CLK_FREQ_12288000HZ 12288000
int rt700_clock_config(struct device *dev)
{
struct rt700_priv *rt700 = dev_get_drvdata(dev);
unsigned int clk_freq, value;
clk_freq = (rt700->params.curr_dr_freq >> 1);
switch (clk_freq) {
case RT700_CLK_FREQ_12000000HZ:
value = 0x0;
break;
case RT700_CLK_FREQ_6000000HZ:
value = 0x1;
break;
case RT700_CLK_FREQ_9600000HZ:
value = 0x2;
break;
case RT700_CLK_FREQ_4800000HZ:
value = 0x3;
break;
case RT700_CLK_FREQ_2400000HZ:
value = 0x4;
break;
case RT700_CLK_FREQ_12288000HZ:
value = 0x5;
break;
default:
return -EINVAL;
}
regmap_write(rt700->regmap, 0xe0, value);
regmap_write(rt700->regmap, 0xf0, value);
dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);
return 0;
}
int rt700_init(struct device *dev, struct regmap *sdw_regmap,
struct regmap *regmap, struct sdw_slave *slave)
{
struct rt700_priv *rt700;
int ret;
rt700 = devm_kzalloc(dev, sizeof(*rt700), GFP_KERNEL);
if (!rt700)
return -ENOMEM;
dev_set_drvdata(dev, rt700);
rt700->slave = slave;
rt700->sdw_regmap = sdw_regmap;
rt700->regmap = regmap;
regcache_cache_only(rt700->regmap, true);
mutex_init(&rt700->disable_irq_lock);
INIT_DELAYED_WORK(&rt700->jack_detect_work,
rt700_jack_detect_handler);
INIT_DELAYED_WORK(&rt700->jack_btn_check_work,
rt700_btn_check_handler);
/*
* Mark hw_init to false
* HW init will be performed when device reports present
*/
rt700->hw_init = false;
rt700->first_hw_init = false;
ret = devm_snd_soc_register_component(dev,
&soc_codec_dev_rt700,
rt700_dai,
ARRAY_SIZE(rt700_dai));
if (ret < 0)
return ret;
/* set autosuspend parameters */
pm_runtime_set_autosuspend_delay(dev, 3000);
pm_runtime_use_autosuspend(dev);
/* make sure the device does not suspend immediately */
pm_runtime_mark_last_busy(dev);
pm_runtime_enable(dev);
/* important note: the device is NOT tagged as 'active' and will remain
* 'suspended' until the hardware is enumerated/initialized. This is required
* to make sure the ASoC framework use of pm_runtime_get_sync() does not silently
* fail with -EACCESS because of race conditions between card creation and enumeration
*/
dev_dbg(&slave->dev, "%s\n", __func__);
return 0;
}
int rt700_io_init(struct device *dev, struct sdw_slave *slave)
{
struct rt700_priv *rt700 = dev_get_drvdata(dev);
rt700->disable_irq = false;
if (rt700->hw_init)
return 0;
regcache_cache_only(rt700->regmap, false);
if (rt700->first_hw_init)
regcache_cache_bypass(rt700->regmap, true);
/*
* PM runtime is only enabled when a Slave reports as Attached
*/
if (!rt700->first_hw_init)
/* PM runtime status is marked as 'active' only when a Slave reports as Attached */
pm_runtime_set_active(&slave->dev);
pm_runtime_get_noresume(&slave->dev);
/* reset */
regmap_write(rt700->regmap, 0xff01, 0x0000);
regmap_write(rt700->regmap, 0x7520, 0x001a);
regmap_write(rt700->regmap, 0x7420, 0xc003);
/* power on */
regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
/* Set Pin Widget */
regmap_write(rt700->regmap, RT700_SET_PIN_HP, 0x40);
regmap_write(rt700->regmap, RT700_SET_PIN_SPK, 0x40);
regmap_write(rt700->regmap, RT700_SET_EAPD_SPK, RT700_EAPD_HIGH);
regmap_write(rt700->regmap, RT700_SET_PIN_DMIC1, 0x20);
regmap_write(rt700->regmap, RT700_SET_PIN_DMIC2, 0x20);
regmap_write(rt700->regmap, RT700_SET_PIN_MIC2, 0x20);
/* Set Configuration Default */
regmap_write(rt700->regmap, 0x4f12, 0x91);
regmap_write(rt700->regmap, 0x4e12, 0xd6);
regmap_write(rt700->regmap, 0x4d12, 0x11);
regmap_write(rt700->regmap, 0x4c12, 0x20);
regmap_write(rt700->regmap, 0x4f13, 0x91);
regmap_write(rt700->regmap, 0x4e13, 0xd6);
regmap_write(rt700->regmap, 0x4d13, 0x11);
regmap_write(rt700->regmap, 0x4c13, 0x21);
regmap_write(rt700->regmap, 0x4f19, 0x02);
regmap_write(rt700->regmap, 0x4e19, 0xa1);
regmap_write(rt700->regmap, 0x4d19, 0x90);
regmap_write(rt700->regmap, 0x4c19, 0x80);
/* Enable Line2 */
regmap_write(rt700->regmap, 0x371b, 0x40);
regmap_write(rt700->regmap, 0x731b, 0xb0);
regmap_write(rt700->regmap, 0x839b, 0x00);
/* Set index */
rt700_index_write(rt700->regmap, 0x4a, 0x201b);
rt700_index_write(rt700->regmap, 0x45, 0x5089);
rt700_index_write(rt700->regmap, 0x6b, 0x5064);
rt700_index_write(rt700->regmap, 0x48, 0xd249);
/* Finish Initial Settings, set power to D3 */
regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
/*
* if set_jack callback occurred early than io_init,
* we set up the jack detection function now
*/
if (rt700->hs_jack)
rt700_jack_init(rt700);
if (rt700->first_hw_init) {
regcache_cache_bypass(rt700->regmap, false);
regcache_mark_dirty(rt700->regmap);
} else
rt700->first_hw_init = true;
/* Mark Slave initialization complete */
rt700->hw_init = true;
pm_runtime_mark_last_busy(&slave->dev);
pm_runtime_put_autosuspend(&slave->dev);
dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
return 0;
}
MODULE_DESCRIPTION("ASoC RT700 driver SDW");
MODULE_AUTHOR("Shuming Fan <[email protected]>");
MODULE_LICENSE("GPL v2");
Codebase Browser
linux