// SPDX-License-Identifier: GPL-2.0-only
//
// rt712-sdca-dmic.c -- rt712 SDCA DMIC ALSA SoC audio driver
//
// Copyright(c) 2023 Realtek Semiconductor Corp.
//
//
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/pm_runtime.h>
#include <linux/soundwire/sdw_registers.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include "rt712-sdca.h"
#include "rt712-sdca-dmic.h"
static bool rt712_sdca_dmic_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0x201a ... 0x201f:
case 0x2029 ... 0x202a:
case 0x202d ... 0x2034:
case 0x2230 ... 0x2232:
case 0x2f01 ... 0x2f0a:
case 0x2f35 ... 0x2f36:
case 0x2f52:
case 0x2f58 ... 0x2f59:
case 0x3201:
case 0x320c:
return true;
default:
return false;
}
}
static bool rt712_sdca_dmic_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0x201b:
case 0x201c:
case 0x201d:
case 0x201f:
case 0x202d ... 0x202f:
case 0x2230:
case 0x2f01:
case 0x2f35:
case 0x320c:
return true;
default:
return false;
}
}
static bool rt712_sdca_dmic_mbq_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0x2000000 ... 0x200008e:
case 0x5300000 ... 0x530000e:
case 0x5400000 ... 0x540000e:
case 0x5600000 ... 0x5600008:
case 0x5700000 ... 0x570000d:
case 0x5800000 ... 0x5800021:
case 0x5900000 ... 0x5900028:
case 0x5a00000 ... 0x5a00009:
case 0x5b00000 ... 0x5b00051:
case 0x5c00000 ... 0x5c0009a:
case 0x5d00000 ... 0x5d00009:
case 0x5f00000 ... 0x5f00030:
case 0x6100000 ... 0x6100068:
case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01):
case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_02):
case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_03):
case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_04):
case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01):
case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_02):
case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_03):
case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_04):
return true;
default:
return false;
}
}
static bool rt712_sdca_dmic_mbq_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0x2000000:
case 0x200001a:
case 0x2000024:
case 0x2000046:
case 0x200008a:
case 0x5800000:
case 0x5800001:
case 0x6100008:
return true;
default:
return false;
}
}
static const struct regmap_config rt712_sdca_dmic_regmap = {
.reg_bits = 32,
.val_bits = 8,
.readable_reg = rt712_sdca_dmic_readable_register,
.volatile_reg = rt712_sdca_dmic_volatile_register,
.max_register = 0x40981300,
.reg_defaults = rt712_sdca_dmic_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(rt712_sdca_dmic_reg_defaults),
.cache_type = REGCACHE_MAPLE,
.use_single_read = true,
.use_single_write = true,
};
static const struct regmap_config rt712_sdca_dmic_mbq_regmap = {
.name = "sdw-mbq",
.reg_bits = 32,
.val_bits = 16,
.readable_reg = rt712_sdca_dmic_mbq_readable_register,
.volatile_reg = rt712_sdca_dmic_mbq_volatile_register,
.max_register = 0x40800f14,
.reg_defaults = rt712_sdca_dmic_mbq_defaults,
.num_reg_defaults = ARRAY_SIZE(rt712_sdca_dmic_mbq_defaults),
.cache_type = REGCACHE_MAPLE,
.use_single_read = true,
.use_single_write = true,
};
static int rt712_sdca_dmic_index_write(struct rt712_sdca_dmic_priv *rt712,
unsigned int nid, unsigned int reg, unsigned int value)
{
int ret;
struct regmap *regmap = rt712->mbq_regmap;
unsigned int addr = (nid << 20) | reg;
ret = regmap_write(regmap, addr, value);
if (ret < 0)
dev_err(&rt712->slave->dev,
"%s: Failed to set private value: %06x <= %04x ret=%d\n",
__func__, addr, value, ret);
return ret;
}
static int rt712_sdca_dmic_index_read(struct rt712_sdca_dmic_priv *rt712,
unsigned int nid, unsigned int reg, unsigned int *value)
{
int ret;
struct regmap *regmap = rt712->mbq_regmap;
unsigned int addr = (nid << 20) | reg;
ret = regmap_read(regmap, addr, value);
if (ret < 0)
dev_err(&rt712->slave->dev,
"%s: Failed to get private value: %06x => %04x ret=%d\n",
__func__, addr, *value, ret);
return ret;
}
static int rt712_sdca_dmic_index_update_bits(struct rt712_sdca_dmic_priv *rt712,
unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val)
{
unsigned int tmp;
int ret;
ret = rt712_sdca_dmic_index_read(rt712, nid, reg, &tmp);
if (ret < 0)
return ret;
set_mask_bits(&tmp, mask, val);
return rt712_sdca_dmic_index_write(rt712, nid, reg, tmp);
}
static int rt712_sdca_dmic_io_init(struct device *dev, struct sdw_slave *slave)
{
struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev);
if (rt712->hw_init)
return 0;
regcache_cache_only(rt712->regmap, false);
regcache_cache_only(rt712->mbq_regmap, false);
if (rt712->first_hw_init) {
regcache_cache_bypass(rt712->regmap, true);
regcache_cache_bypass(rt712->mbq_regmap, true);
} else {
/*
* PM runtime status is marked as 'active' only when a Slave reports as Attached
*/
/* update count of parent 'active' children */
pm_runtime_set_active(&slave->dev);
}
pm_runtime_get_noresume(&slave->dev);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_ADC0A_08_PDE_FLOAT_CTL, 0x1112);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_ADC0B_11_PDE_FLOAT_CTL, 0x1111);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_DMIC1_2_PDE_FLOAT_CTL, 0x1111);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_I2S_IN_OUT_PDE_FLOAT_CTL, 0x1155);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_DMIC_ENT_FLOAT_CTL, 0x2626);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_ADC_ENT_FLOAT_CTL, 0x1e19);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_DMIC_GAIN_ENT_FLOAT_CTL0, 0x1515);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_ADC_VOL_CH_FLOAT_CTL2, 0x0304);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_DMIC_GAIN_ENT_FLOAT_CTL2, 0x0304);
rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
RT712_HDA_LEGACY_CONFIG_CTL0, 0x0050);
regmap_write(rt712->regmap,
SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_IT26, RT712_SDCA_CTL_VENDOR_DEF, 0), 0x01);
rt712_sdca_dmic_index_write(rt712, RT712_ULTRA_SOUND_DET,
RT712_ULTRA_SOUND_DETECTOR6, 0x3200);
regmap_write(rt712->regmap, RT712_RC_CAL, 0x23);
regmap_write(rt712->regmap, 0x2f52, 0x00);
if (rt712->first_hw_init) {
regcache_cache_bypass(rt712->regmap, false);
regcache_mark_dirty(rt712->regmap);
regcache_cache_bypass(rt712->mbq_regmap, false);
regcache_mark_dirty(rt712->mbq_regmap);
} else
rt712->first_hw_init = true;
/* Mark Slave initialization complete */
rt712->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;
}
static int rt712_sdca_dmic_set_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component);
struct rt712_sdca_dmic_kctrl_priv *p =
(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
unsigned int regvalue, ctl, i;
unsigned int adc_vol_flag = 0;
const unsigned int interval_offset = 0xc0;
if (strstr(ucontrol->id.name, "FU1E Capture Volume"))
adc_vol_flag = 1;
/* check all channels */
for (i = 0; i < p->count; i++) {
regmap_read(rt712->mbq_regmap, p->reg_base + i, ®value);
if (!adc_vol_flag) /* boost gain */
ctl = regvalue / 0x0a00;
else { /* ADC gain */
if (adc_vol_flag)
ctl = p->max - (((0x1e00 - regvalue) & 0xffff) / interval_offset);
else
ctl = p->max - (((0 - regvalue) & 0xffff) / interval_offset);
}
ucontrol->value.integer.value[i] = ctl;
}
return 0;
}
static int rt712_sdca_dmic_set_gain_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt712_sdca_dmic_kctrl_priv *p =
(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component);
unsigned int gain_val[4];
unsigned int i, adc_vol_flag = 0, changed = 0;
unsigned int regvalue[4];
const unsigned int interval_offset = 0xc0;
int err;
if (strstr(ucontrol->id.name, "FU1E Capture Volume"))
adc_vol_flag = 1;
/* check all channels */
for (i = 0; i < p->count; i++) {
regmap_read(rt712->mbq_regmap, p->reg_base + i, ®value[i]);
gain_val[i] = ucontrol->value.integer.value[i];
if (gain_val[i] > p->max)
gain_val[i] = p->max;
if (!adc_vol_flag) /* boost gain */
gain_val[i] = gain_val[i] * 0x0a00;
else { /* ADC gain */
gain_val[i] = 0x1e00 - ((p->max - gain_val[i]) * interval_offset);
gain_val[i] &= 0xffff;
}
if (regvalue[i] != gain_val[i])
changed = 1;
}
if (!changed)
return 0;
for (i = 0; i < p->count; i++) {
err = regmap_write(rt712->mbq_regmap, p->reg_base + i, gain_val[i]);
if (err < 0)
dev_err(&rt712->slave->dev, "%s: 0x%08x can't be set\n",
__func__, p->reg_base + i);
}
return changed;
}
static int rt712_sdca_set_fu1e_capture_ctl(struct rt712_sdca_dmic_priv *rt712)
{
int err, i;
unsigned int ch_mute;
for (i = 0; i < ARRAY_SIZE(rt712->fu1e_mixer_mute); i++) {
ch_mute = (rt712->fu1e_dapm_mute || rt712->fu1e_mixer_mute[i]) ? 0x01 : 0x00;
err = regmap_write(rt712->regmap,
SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E,
RT712_SDCA_CTL_FU_MUTE, CH_01) + i, ch_mute);
if (err < 0)
return err;
}
return 0;
}
static int rt712_sdca_dmic_fu1e_capture_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
struct rt712_sdca_dmic_kctrl_priv *p =
(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
unsigned int i;
for (i = 0; i < p->count; i++)
ucontrol->value.integer.value[i] = !rt712->fu1e_mixer_mute[i];
return 0;
}
static int rt712_sdca_dmic_fu1e_capture_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
struct rt712_sdca_dmic_kctrl_priv *p =
(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
int err, changed = 0, i;
for (i = 0; i < p->count; i++) {
if (rt712->fu1e_mixer_mute[i] != !ucontrol->value.integer.value[i])
changed = 1;
rt712->fu1e_mixer_mute[i] = !ucontrol->value.integer.value[i];
}
err = rt712_sdca_set_fu1e_capture_ctl(rt712);
if (err < 0)
return err;
return changed;
}
static int rt712_sdca_fu_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct rt712_sdca_dmic_kctrl_priv *p =
(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
if (p->max == 1)
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = p->count;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = p->max;
return 0;
}
#define RT712_SDCA_PR_VALUE(xreg_base, xcount, xmax, xinvert) \
((unsigned long)&(struct rt712_sdca_dmic_kctrl_priv) \
{.reg_base = xreg_base, .count = xcount, .max = xmax, \
.invert = xinvert})
#define RT712_SDCA_FU_CTRL(xname, reg_base, xmax, xinvert, xcount) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.info = rt712_sdca_fu_info, \
.get = rt712_sdca_dmic_fu1e_capture_get, \
.put = rt712_sdca_dmic_fu1e_capture_put, \
.private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, xinvert)}
#define RT712_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\
xhandler_put, xcount, xmax, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
SNDRV_CTL_ELEM_ACCESS_READWRITE, \
.tlv.p = (tlv_array), \
.info = rt712_sdca_fu_info, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, 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 rt712_sdca_dmic_snd_controls[] = {
RT712_SDCA_FU_CTRL("FU1E Capture Switch",
SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_01),
1, 1, 4),
RT712_SDCA_EXT_TLV("FU1E Capture Volume",
SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01),
rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 0x3f, in_vol_tlv),
RT712_SDCA_EXT_TLV("FU15 Boost Volume",
SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01),
rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 3, mic_vol_tlv),
};
static int rt712_sdca_dmic_mux_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_dapm_kcontrol_component(kcontrol);
struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
unsigned int val = 0, mask_sft;
if (strstr(ucontrol->id.name, "ADC 25 Mux"))
mask_sft = 8;
else if (strstr(ucontrol->id.name, "ADC 26 Mux"))
mask_sft = 4;
else
return -EINVAL;
rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL,
RT712_HDA_LEGACY_MUX_CTL0, &val);
ucontrol->value.enumerated.item[0] = (val >> mask_sft) & 0x7;
return 0;
}
static int rt712_sdca_dmic_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 rt712_sdca_dmic_priv *rt712 = 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, mask_sft;
if (item[0] >= e->items)
return -EINVAL;
if (strstr(ucontrol->id.name, "ADC 25 Mux"))
mask_sft = 8;
else if (strstr(ucontrol->id.name, "ADC 26 Mux"))
mask_sft = 4;
else
return -EINVAL;
val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL,
RT712_HDA_LEGACY_MUX_CTL0, &val2);
val2 = (0x7 << mask_sft) & val2;
if (val == val2)
change = 0;
else
change = 1;
if (change)
rt712_sdca_dmic_index_update_bits(rt712, RT712_VENDOR_HDA_CTL,
RT712_HDA_LEGACY_MUX_CTL0, 0x7 << mask_sft,
val << mask_sft);
snd_soc_dapm_mux_update_power(dapm, kcontrol,
item[0], e, NULL);
return change;
}
static const char * const adc_mux_text[] = {
"DMIC1",
"DMIC2",
};
static SOC_ENUM_SINGLE_DECL(
rt712_adc25_enum, SND_SOC_NOPM, 0, adc_mux_text);
static SOC_ENUM_SINGLE_DECL(
rt712_adc26_enum, SND_SOC_NOPM, 0, adc_mux_text);
static const struct snd_kcontrol_new rt712_sdca_dmic_adc25_mux =
SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt712_adc25_enum,
rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put);
static const struct snd_kcontrol_new rt712_sdca_dmic_adc26_mux =
SOC_DAPM_ENUM_EXT("ADC 26 Mux", rt712_adc26_enum,
rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put);
static int rt712_sdca_dmic_fu1e_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 rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
rt712->fu1e_dapm_mute = false;
rt712_sdca_set_fu1e_capture_ctl(rt712);
break;
case SND_SOC_DAPM_PRE_PMD:
rt712->fu1e_dapm_mute = true;
rt712_sdca_set_fu1e_capture_ctl(rt712);
break;
}
return 0;
}
static int rt712_sdca_dmic_pde11_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 rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
unsigned char ps0 = 0x0, ps3 = 0x3;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_write(rt712->regmap,
SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11,
RT712_SDCA_CTL_REQ_POWER_STATE, 0),
ps0);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_write(rt712->regmap,
SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11,
RT712_SDCA_CTL_REQ_POWER_STATE, 0),
ps3);
break;
}
return 0;
}
static const struct snd_soc_dapm_widget rt712_sdca_dmic_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("DMIC1"),
SND_SOC_DAPM_INPUT("DMIC2"),
SND_SOC_DAPM_SUPPLY("PDE 11", SND_SOC_NOPM, 0, 0,
rt712_sdca_dmic_pde11_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_ADC_E("FU 1E", NULL, SND_SOC_NOPM, 0, 0,
rt712_sdca_dmic_fu1e_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0,
&rt712_sdca_dmic_adc25_mux),
SND_SOC_DAPM_MUX("ADC 26 Mux", SND_SOC_NOPM, 0, 0,
&rt712_sdca_dmic_adc26_mux),
SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
};
static const struct snd_soc_dapm_route rt712_sdca_dmic_audio_map[] = {
{"DP2TX", NULL, "FU 1E"},
{"FU 1E", NULL, "PDE 11"},
{"FU 1E", NULL, "ADC 25 Mux"},
{"FU 1E", NULL, "ADC 26 Mux"},
{"ADC 25 Mux", "DMIC1", "DMIC1"},
{"ADC 25 Mux", "DMIC2", "DMIC2"},
{"ADC 26 Mux", "DMIC1", "DMIC1"},
{"ADC 26 Mux", "DMIC2", "DMIC2"},
};
static int rt712_sdca_dmic_probe(struct snd_soc_component *component)
{
struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
int ret;
rt712->component = component;
if (!rt712->first_hw_init)
return 0;
ret = pm_runtime_resume(component->dev);
if (ret < 0 && ret != -EACCES)
return ret;
return 0;
}
static const struct snd_soc_component_driver soc_sdca_dev_rt712_dmic = {
.probe = rt712_sdca_dmic_probe,
.controls = rt712_sdca_dmic_snd_controls,
.num_controls = ARRAY_SIZE(rt712_sdca_dmic_snd_controls),
.dapm_widgets = rt712_sdca_dmic_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt712_sdca_dmic_dapm_widgets),
.dapm_routes = rt712_sdca_dmic_audio_map,
.num_dapm_routes = ARRAY_SIZE(rt712_sdca_dmic_audio_map),
.endianness = 1,
};
static int rt712_sdca_dmic_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 rt712_sdca_dmic_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
snd_soc_dai_set_dma_data(dai, substream, NULL);
}
static int rt712_sdca_dmic_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 rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
struct sdw_stream_config stream_config;
struct sdw_port_config port_config;
struct sdw_stream_runtime *sdw_stream;
int retval, num_channels;
unsigned int sampling_rate;
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 (!rt712->slave)
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 = SDW_DATA_DIR_TX;
num_channels = params_channels(params);
port_config.ch_mask = GENMASK(num_channels - 1, 0);
port_config.num = 2;
retval = sdw_stream_add_slave(rt712->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) > 4) {
dev_err(component->dev, "%s: Unsupported channels %d\n",
__func__, params_channels(params));
return -EINVAL;
}
/* sampling rate configuration */
switch (params_rate(params)) {
case 16000:
sampling_rate = RT712_SDCA_RATE_16000HZ;
break;
case 32000:
sampling_rate = RT712_SDCA_RATE_32000HZ;
break;
case 44100:
sampling_rate = RT712_SDCA_RATE_44100HZ;
break;
case 48000:
sampling_rate = RT712_SDCA_RATE_48000HZ;
break;
case 96000:
sampling_rate = RT712_SDCA_RATE_96000HZ;
break;
case 192000:
sampling_rate = RT712_SDCA_RATE_192000HZ;
break;
default:
dev_err(component->dev, "%s: Rate %d is not supported\n",
__func__, params_rate(params));
return -EINVAL;
}
/* set sampling frequency */
regmap_write(rt712->regmap,
SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1F, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0),
sampling_rate);
regmap_write(rt712->regmap,
SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1C, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0),
sampling_rate);
return 0;
}
static int rt712_sdca_dmic_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
struct sdw_stream_runtime *sdw_stream =
snd_soc_dai_get_dma_data(dai, substream);
if (!rt712->slave)
return -EINVAL;
sdw_stream_remove_slave(rt712->slave, sdw_stream);
return 0;
}
#define RT712_STEREO_RATES (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 RT712_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_LE)
static const struct snd_soc_dai_ops rt712_sdca_dmic_ops = {
.hw_params = rt712_sdca_dmic_hw_params,
.hw_free = rt712_sdca_dmic_hw_free,
.set_stream = rt712_sdca_dmic_set_sdw_stream,
.shutdown = rt712_sdca_dmic_shutdown,
};
static struct snd_soc_dai_driver rt712_sdca_dmic_dai[] = {
{
.name = "rt712-sdca-dmic-aif1",
.id = RT712_AIF1,
.capture = {
.stream_name = "DP2 Capture",
.channels_min = 1,
.channels_max = 4,
.rates = RT712_STEREO_RATES,
.formats = RT712_FORMATS,
},
.ops = &rt712_sdca_dmic_ops,
},
};
static int rt712_sdca_dmic_init(struct device *dev, struct regmap *regmap,
struct regmap *mbq_regmap, struct sdw_slave *slave)
{
struct rt712_sdca_dmic_priv *rt712;
int ret;
rt712 = devm_kzalloc(dev, sizeof(*rt712), GFP_KERNEL);
if (!rt712)
return -ENOMEM;
dev_set_drvdata(dev, rt712);
rt712->slave = slave;
rt712->regmap = regmap;
rt712->mbq_regmap = mbq_regmap;
regcache_cache_only(rt712->regmap, true);
regcache_cache_only(rt712->mbq_regmap, true);
/*
* Mark hw_init to false
* HW init will be performed when device reports present
*/
rt712->hw_init = false;
rt712->first_hw_init = false;
rt712->fu1e_dapm_mute = true;
rt712->fu1e_mixer_mute[0] = rt712->fu1e_mixer_mute[1] =
rt712->fu1e_mixer_mute[2] = rt712->fu1e_mixer_mute[3] = true;
ret = devm_snd_soc_register_component(dev,
&soc_sdca_dev_rt712_dmic,
rt712_sdca_dmic_dai,
ARRAY_SIZE(rt712_sdca_dmic_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(dev, "%s\n", __func__);
return 0;
}
static int rt712_sdca_dmic_update_status(struct sdw_slave *slave,
enum sdw_slave_status status)
{
struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(&slave->dev);
if (status == SDW_SLAVE_UNATTACHED)
rt712->hw_init = false;
/*
* Perform initialization only if slave status is present and
* hw_init flag is false
*/
if (rt712->hw_init || status != SDW_SLAVE_ATTACHED)
return 0;
/* perform I/O transfers required for Slave initialization */
return rt712_sdca_dmic_io_init(&slave->dev, slave);
}
static int rt712_sdca_dmic_read_prop(struct sdw_slave *slave)
{
struct sdw_slave_prop *prop = &slave->prop;
int nval, i;
u32 bit;
unsigned long addr;
struct sdw_dpn_prop *dpn;
prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
prop->paging_support = true;
/* first we need to allocate memory for set bits in port lists */
prop->source_ports = BIT(2); /* BITMAP: 00000100 */
prop->sink_ports = 0;
nval = hweight32(prop->source_ports);
prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
sizeof(*prop->src_dpn_prop), GFP_KERNEL);
if (!prop->src_dpn_prop)
return -ENOMEM;
i = 0;
dpn = prop->src_dpn_prop;
addr = prop->source_ports;
for_each_set_bit(bit, &addr, 32) {
dpn[i].num = bit;
dpn[i].type = SDW_DPN_FULL;
dpn[i].simple_ch_prep_sm = true;
dpn[i].ch_prep_timeout = 10;
i++;
}
/* set the timeout values */
prop->clk_stop_timeout = 200;
/* wake-up event */
prop->wake_capable = 1;
return 0;
}
static const struct sdw_device_id rt712_sdca_dmic_id[] = {
SDW_SLAVE_ENTRY_EXT(0x025d, 0x1712, 0x3, 0x1, 0),
SDW_SLAVE_ENTRY_EXT(0x025d, 0x1713, 0x3, 0x1, 0),
SDW_SLAVE_ENTRY_EXT(0x025d, 0x1716, 0x3, 0x1, 0),
SDW_SLAVE_ENTRY_EXT(0x025d, 0x1717, 0x3, 0x1, 0),
{},
};
MODULE_DEVICE_TABLE(sdw, rt712_sdca_dmic_id);
static int __maybe_unused rt712_sdca_dmic_dev_suspend(struct device *dev)
{
struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev);
if (!rt712->hw_init)
return 0;
regcache_cache_only(rt712->regmap, true);
regcache_cache_only(rt712->mbq_regmap, true);
return 0;
}
static int __maybe_unused rt712_sdca_dmic_dev_system_suspend(struct device *dev)
{
struct rt712_sdca_dmic_priv *rt712_sdca = dev_get_drvdata(dev);
if (!rt712_sdca->hw_init)
return 0;
return rt712_sdca_dmic_dev_suspend(dev);
}
#define RT712_PROBE_TIMEOUT 5000
static int __maybe_unused rt712_sdca_dmic_dev_resume(struct device *dev)
{
struct sdw_slave *slave = dev_to_sdw_dev(dev);
struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev);
unsigned long time;
if (!rt712->first_hw_init)
return 0;
if (!slave->unattach_request)
goto regmap_sync;
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT712_PROBE_TIMEOUT));
if (!time) {
dev_err(&slave->dev, "%s: Initialization not complete, timed out\n",
__func__);
sdw_show_ping_status(slave->bus, true);
return -ETIMEDOUT;
}
regmap_sync:
slave->unattach_request = 0;
regcache_cache_only(rt712->regmap, false);
regcache_sync(rt712->regmap);
regcache_cache_only(rt712->mbq_regmap, false);
regcache_sync(rt712->mbq_regmap);
return 0;
}
static const struct dev_pm_ops rt712_sdca_dmic_pm = {
SET_SYSTEM_SLEEP_PM_OPS(rt712_sdca_dmic_dev_system_suspend, rt712_sdca_dmic_dev_resume)
SET_RUNTIME_PM_OPS(rt712_sdca_dmic_dev_suspend, rt712_sdca_dmic_dev_resume, NULL)
};
static const struct sdw_slave_ops rt712_sdca_dmic_slave_ops = {
.read_prop = rt712_sdca_dmic_read_prop,
.update_status = rt712_sdca_dmic_update_status,
};
static int rt712_sdca_dmic_sdw_probe(struct sdw_slave *slave,
const struct sdw_device_id *id)
{
struct regmap *regmap, *mbq_regmap;
/* Regmap Initialization */
mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt712_sdca_dmic_mbq_regmap);
if (IS_ERR(mbq_regmap))
return PTR_ERR(mbq_regmap);
regmap = devm_regmap_init_sdw(slave, &rt712_sdca_dmic_regmap);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
return rt712_sdca_dmic_init(&slave->dev, regmap, mbq_regmap, slave);
}
static int rt712_sdca_dmic_sdw_remove(struct sdw_slave *slave)
{
pm_runtime_disable(&slave->dev);
return 0;
}
static struct sdw_driver rt712_sdca_dmic_sdw_driver = {
.driver = {
.name = "rt712-sdca-dmic",
.pm = &rt712_sdca_dmic_pm,
},
.probe = rt712_sdca_dmic_sdw_probe,
.remove = rt712_sdca_dmic_sdw_remove,
.ops = &rt712_sdca_dmic_slave_ops,
.id_table = rt712_sdca_dmic_id,
};
module_sdw_driver(rt712_sdca_dmic_sdw_driver);
MODULE_DESCRIPTION("ASoC RT712 SDCA DMIC SDW driver");
MODULE_AUTHOR("Shuming Fan <[email protected]>");
MODULE_LICENSE("GPL");
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