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linuxdebug/sound/soc/codecs/rt715-sdca.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0-only
//
// rt715-sdca.c -- rt715 ALSA SoC audio driver
//
// Copyright(c) 2020 Realtek Semiconductor Corp.
//
//
//
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pm_runtime.h>
#include <linux/pm.h>
#include <linux/soundwire/sdw.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/platform_device.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 <linux/soundwire/sdw_registers.h>
#include "rt715-sdca.h"
static int rt715_sdca_index_write(struct rt715_sdca_priv *rt715,
unsigned int nid, unsigned int reg, unsigned int value)
{
struct regmap *regmap = rt715->mbq_regmap;
unsigned int addr;
int ret;
addr = (nid << 20) | reg;
ret = regmap_write(regmap, addr, value);
if (ret < 0)
dev_err(&rt715->slave->dev,
"Failed to set private value: %08x <= %04x %d\n", ret, addr,
value);
return ret;
}
static int rt715_sdca_index_read(struct rt715_sdca_priv *rt715,
unsigned int nid, unsigned int reg, unsigned int *value)
{
struct regmap *regmap = rt715->mbq_regmap;
unsigned int addr;
int ret;
addr = (nid << 20) | reg;
ret = regmap_read(regmap, addr, value);
if (ret < 0)
dev_err(&rt715->slave->dev,
"Failed to get private value: %06x => %04x ret=%d\n",
addr, *value, ret);
return ret;
}
static int rt715_sdca_index_update_bits(struct rt715_sdca_priv *rt715,
unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val)
{
unsigned int tmp;
int ret;
ret = rt715_sdca_index_read(rt715, nid, reg, &tmp);
if (ret < 0)
return ret;
set_mask_bits(&tmp, mask, val);
return rt715_sdca_index_write(rt715, nid, reg, tmp);
}
static inline unsigned int rt715_sdca_vol_gain(unsigned int u_ctrl_val,
unsigned int vol_max, unsigned int vol_gain_sft)
{
unsigned int val;
if (u_ctrl_val > vol_max)
u_ctrl_val = vol_max;
val = u_ctrl_val;
u_ctrl_val =
((abs(u_ctrl_val - vol_gain_sft) * RT715_SDCA_DB_STEP) << 8) / 1000;
if (val <= vol_gain_sft) {
u_ctrl_val = ~u_ctrl_val;
u_ctrl_val += 1;
}
u_ctrl_val &= 0xffff;
return u_ctrl_val;
}
static inline unsigned int rt715_sdca_boost_gain(unsigned int u_ctrl_val,
unsigned int b_max, unsigned int b_gain_sft)
{
if (u_ctrl_val > b_max)
u_ctrl_val = b_max;
return (u_ctrl_val * 10) << b_gain_sft;
}
static inline unsigned int rt715_sdca_get_gain(unsigned int reg_val,
unsigned int gain_sft)
{
unsigned int neg_flag = 0;
if (reg_val & BIT(15)) {
reg_val = ~(reg_val - 1) & 0xffff;
neg_flag = 1;
}
reg_val *= 1000;
reg_val >>= 8;
if (neg_flag)
reg_val = gain_sft - reg_val / RT715_SDCA_DB_STEP;
else
reg_val = gain_sft + reg_val / RT715_SDCA_DB_STEP;
return reg_val;
}
/* SDCA Volume/Boost control */
static int rt715_sdca_set_amp_gain_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
unsigned int gain_val, i, k_changed = 0;
int ret;
for (i = 0; i < 2; i++) {
if (ucontrol->value.integer.value[i] != rt715->kctl_2ch_orig[i]) {
k_changed = 1;
break;
}
}
for (i = 0; i < 2; i++) {
rt715->kctl_2ch_orig[i] = ucontrol->value.integer.value[i];
gain_val =
rt715_sdca_vol_gain(ucontrol->value.integer.value[i], mc->max,
mc->shift);
ret = regmap_write(rt715->mbq_regmap, mc->reg + i, gain_val);
if (ret != 0) {
dev_err(component->dev, "Failed to write 0x%x=0x%x\n",
mc->reg + i, gain_val);
return ret;
}
}
return k_changed;
}
static int rt715_sdca_set_amp_gain_4ch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
struct rt715_sdca_kcontrol_private *p =
(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
unsigned int reg_base = p->reg_base, k_changed = 0;
const unsigned int gain_sft = 0x2f;
unsigned int gain_val, i;
int ret;
for (i = 0; i < 4; i++) {
if (ucontrol->value.integer.value[i] != rt715->kctl_4ch_orig[i]) {
k_changed = 1;
break;
}
}
for (i = 0; i < 4; i++) {
rt715->kctl_4ch_orig[i] = ucontrol->value.integer.value[i];
gain_val =
rt715_sdca_vol_gain(ucontrol->value.integer.value[i], p->max,
gain_sft);
ret = regmap_write(rt715->mbq_regmap, reg_base + i,
gain_val);
if (ret != 0) {
dev_err(component->dev, "Failed to write 0x%x=0x%x\n",
reg_base + i, gain_val);
return ret;
}
}
return k_changed;
}
static int rt715_sdca_set_amp_gain_8ch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
struct rt715_sdca_kcontrol_private *p =
(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
unsigned int reg_base = p->reg_base, i, k_changed = 0;
const unsigned int gain_sft = 8;
unsigned int gain_val, reg;
int ret;
for (i = 0; i < 8; i++) {
if (ucontrol->value.integer.value[i] != rt715->kctl_8ch_orig[i]) {
k_changed = 1;
break;
}
}
for (i = 0; i < 8; i++) {
rt715->kctl_8ch_orig[i] = ucontrol->value.integer.value[i];
gain_val =
rt715_sdca_boost_gain(ucontrol->value.integer.value[i], p->max,
gain_sft);
reg = i < 7 ? reg_base + i : (reg_base - 1) | BIT(15);
ret = regmap_write(rt715->mbq_regmap, reg, gain_val);
if (ret != 0) {
dev_err(component->dev, "Failed to write 0x%x=0x%x\n",
reg, gain_val);
return ret;
}
}
return k_changed;
}
static int rt715_sdca_set_amp_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
unsigned int val, i;
int ret;
for (i = 0; i < 2; i++) {
ret = regmap_read(rt715->mbq_regmap, mc->reg + i, &val);
if (ret < 0) {
dev_err(component->dev, "Failed to read 0x%x, ret=%d\n",
mc->reg + i, ret);
return ret;
}
ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, mc->shift);
}
return 0;
}
static int rt715_sdca_set_amp_gain_4ch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
struct rt715_sdca_kcontrol_private *p =
(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
unsigned int reg_base = p->reg_base, i;
const unsigned int gain_sft = 0x2f;
unsigned int val;
int ret;
for (i = 0; i < 4; i++) {
ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val);
if (ret < 0) {
dev_err(component->dev, "Failed to read 0x%x, ret=%d\n",
reg_base + i, ret);
return ret;
}
ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, gain_sft);
}
return 0;
}
static int rt715_sdca_set_amp_gain_8ch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
struct rt715_sdca_kcontrol_private *p =
(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
unsigned int reg_base = p->reg_base;
const unsigned int gain_sft = 8;
unsigned int val_l, val_r;
unsigned int i, reg;
int ret;
for (i = 0; i < 8; i += 2) {
ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val_l);
if (ret < 0) {
dev_err(component->dev, "Failed to read 0x%x, ret=%d\n",
reg_base + i, ret);
return ret;
}
ucontrol->value.integer.value[i] = (val_l >> gain_sft) / 10;
reg = (i == 6) ? (reg_base - 1) | BIT(15) : reg_base + 1 + i;
ret = regmap_read(rt715->mbq_regmap, reg, &val_r);
if (ret < 0) {
dev_err(component->dev, "Failed to read 0x%x, ret=%d\n",
reg, ret);
return ret;
}
ucontrol->value.integer.value[i + 1] = (val_r >> gain_sft) / 10;
}
return 0;
}
static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -17625, 375, 0);
static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
static int rt715_sdca_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt715_sdca_kcontrol_private *p =
(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
unsigned int reg_base = p->reg_base;
unsigned int invert = p->invert, i;
int val;
for (i = 0; i < p->count; i += 2) {
val = snd_soc_component_read(component, reg_base + i);
if (val < 0)
return -EINVAL;
ucontrol->value.integer.value[i] = invert ? p->max - val : val;
val = snd_soc_component_read(component, reg_base + 1 + i);
if (val < 0)
return -EINVAL;
ucontrol->value.integer.value[i + 1] =
invert ? p->max - val : val;
}
return 0;
}
static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
struct rt715_sdca_kcontrol_private *p =
(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
unsigned int val[4] = {0}, val_mask, i, k_changed = 0;
unsigned int reg = p->reg_base;
unsigned int shift = p->shift;
unsigned int max = p->max;
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = p->invert;
int err;
for (i = 0; i < 4; i++) {
if (ucontrol->value.integer.value[i] != rt715->kctl_switch_orig[i]) {
k_changed = 1;
break;
}
}
for (i = 0; i < 2; i++) {
rt715->kctl_switch_orig[i * 2] = ucontrol->value.integer.value[i * 2];
val[i * 2] = ucontrol->value.integer.value[i * 2] & mask;
if (invert)
val[i * 2] = max - val[i * 2];
val_mask = mask << shift;
val[i * 2] <<= shift;
rt715->kctl_switch_orig[i * 2 + 1] =
ucontrol->value.integer.value[i * 2 + 1];
val[i * 2 + 1] =
ucontrol->value.integer.value[i * 2 + 1] & mask;
if (invert)
val[i * 2 + 1] = max - val[i * 2 + 1];
val[i * 2 + 1] <<= shift;
err = snd_soc_component_update_bits(component, reg + i * 2, val_mask,
val[i * 2]);
if (err < 0)
return err;
err = snd_soc_component_update_bits(component, reg + 1 + i * 2,
val_mask, val[i * 2 + 1]);
if (err < 0)
return err;
}
return k_changed;
}
static int rt715_sdca_fu_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct rt715_sdca_kcontrol_private *p =
(struct rt715_sdca_kcontrol_private *)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 RT715_SDCA_PR_VALUE(xreg_base, xcount, xmax, xshift, xinvert) \
((unsigned long)&(struct rt715_sdca_kcontrol_private) \
{.reg_base = xreg_base, .count = xcount, .max = xmax, \
.shift = xshift, .invert = xinvert})
#define RT715_SDCA_FU_CTRL(xname, reg_base, xshift, xmax, xinvert, xcount) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.info = rt715_sdca_fu_info, \
.get = rt715_sdca_get_volsw, \
.put = rt715_sdca_put_volsw, \
.private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, \
xshift, xinvert)}
#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
xhandler_get, xhandler_put) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.info = snd_soc_info_volsw, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
xmax, xinvert) }
#define RT715_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\
xhandler_put, tlv_array, xcount, xmax) \
{ .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 = rt715_sdca_fu_info, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, 0, 0) }
#define RT715_SDCA_BOOST_EXT_TLV(xname, reg_base, xhandler_get,\
xhandler_put, tlv_array, xcount, xmax) \
{ .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 = rt715_sdca_fu_info, \
.get = xhandler_get, .put = xhandler_put, \
.private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, 0, 0) }
static const struct snd_kcontrol_new rt715_sdca_snd_controls[] = {
/* Capture switch */
SOC_DOUBLE_R("FU0A Capture Switch",
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
RT715_SDCA_FU_MUTE_CTRL, CH_01),
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
RT715_SDCA_FU_MUTE_CTRL, CH_02),
0, 1, 1),
RT715_SDCA_FU_CTRL("FU02 Capture Switch",
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
RT715_SDCA_FU_MUTE_CTRL, CH_01),
0, 1, 1, 4),
RT715_SDCA_FU_CTRL("FU06 Capture Switch",
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
RT715_SDCA_FU_MUTE_CTRL, CH_01),
0, 1, 1, 4),
/* Volume Control */
SOC_DOUBLE_R_EXT_TLV("FU0A Capture Volume",
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
RT715_SDCA_FU_VOL_CTRL, CH_01),
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
RT715_SDCA_FU_VOL_CTRL, CH_02),
0x2f, 0x7f, 0,
rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put,
in_vol_tlv),
RT715_SDCA_EXT_TLV("FU02 Capture Volume",
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
RT715_SDCA_FU_VOL_CTRL, CH_01),
rt715_sdca_set_amp_gain_4ch_get,
rt715_sdca_set_amp_gain_4ch_put,
in_vol_tlv, 4, 0x7f),
RT715_SDCA_EXT_TLV("FU06 Capture Volume",
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
RT715_SDCA_FU_VOL_CTRL, CH_01),
rt715_sdca_set_amp_gain_4ch_get,
rt715_sdca_set_amp_gain_4ch_put,
in_vol_tlv, 4, 0x7f),
/* MIC Boost Control */
RT715_SDCA_BOOST_EXT_TLV("FU0E Boost",
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01),
rt715_sdca_set_amp_gain_8ch_get,
rt715_sdca_set_amp_gain_8ch_put,
mic_vol_tlv, 8, 3),
RT715_SDCA_BOOST_EXT_TLV("FU0C Boost",
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01),
rt715_sdca_set_amp_gain_8ch_get,
rt715_sdca_set_amp_gain_8ch_put,
mic_vol_tlv, 8, 3),
};
static int rt715_sdca_mux_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_dapm_kcontrol_component(kcontrol);
struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
unsigned int val, mask_sft;
if (strstr(ucontrol->id.name, "ADC 22 Mux"))
mask_sft = 12;
else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
mask_sft = 8;
else if (strstr(ucontrol->id.name, "ADC 24 Mux"))
mask_sft = 4;
else if (strstr(ucontrol->id.name, "ADC 25 Mux"))
mask_sft = 0;
else
return -EINVAL;
rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL,
RT715_HDA_LEGACY_MUX_CTL1, &val);
val = (val >> mask_sft) & 0xf;
/*
* The first two indices of ADC Mux 24/25 are routed to the same
* hardware source. ie, ADC Mux 24 0/1 will both connect to MIC2.
* To have a unique set of inputs, we skip the index1 of the muxes.
*/
if ((strstr(ucontrol->id.name, "ADC 24 Mux") ||
strstr(ucontrol->id.name, "ADC 25 Mux")) && val > 0)
val -= 1;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
static int rt715_sdca_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 rt715_sdca_priv *rt715 = 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 22 Mux"))
mask_sft = 12;
else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
mask_sft = 8;
else if (strstr(ucontrol->id.name, "ADC 24 Mux"))
mask_sft = 4;
else if (strstr(ucontrol->id.name, "ADC 25 Mux"))
mask_sft = 0;
else
return -EINVAL;
/* Verb ID = 0x701h, nid = e->reg */
val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL,
RT715_HDA_LEGACY_MUX_CTL1, &val2);
val2 = (val2 >> mask_sft) & 0xf;
change = val != val2;
if (change)
rt715_sdca_index_update_bits(rt715, RT715_VENDOR_HDA_CTL,
RT715_HDA_LEGACY_MUX_CTL1, 0xf << mask_sft, val << mask_sft);
snd_soc_dapm_mux_update_power(dapm, kcontrol, item[0], e, NULL);
return change;
}
static const char * const adc_22_23_mux_text[] = {
"MIC1",
"MIC2",
"LINE1",
"LINE2",
"DMIC1",
"DMIC2",
"DMIC3",
"DMIC4",
};
/*
* Due to mux design for nid 24 (MUX_IN3)/25 (MUX_IN4), connection index 0 and
* 1 will be connected to the same dmic source, therefore we skip index 1 to
* avoid misunderstanding on usage of dapm routing.
*/
static int rt715_adc_24_25_values[] = {
0,
2,
3,
4,
5,
};
static const char * const adc_24_mux_text[] = {
"MIC2",
"DMIC1",
"DMIC2",
"DMIC3",
"DMIC4",
};
static const char * const adc_25_mux_text[] = {
"MIC1",
"DMIC1",
"DMIC2",
"DMIC3",
"DMIC4",
};
static SOC_ENUM_SINGLE_DECL(rt715_adc22_enum, SND_SOC_NOPM, 0,
adc_22_23_mux_text);
static SOC_ENUM_SINGLE_DECL(rt715_adc23_enum, SND_SOC_NOPM, 0,
adc_22_23_mux_text);
static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum,
SND_SOC_NOPM, 0, 0xf,
adc_24_mux_text, rt715_adc_24_25_values);
static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum,
SND_SOC_NOPM, 0, 0xf,
adc_25_mux_text, rt715_adc_24_25_values);
static const struct snd_kcontrol_new rt715_adc22_mux =
SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt715_adc22_enum,
rt715_sdca_mux_get, rt715_sdca_mux_put);
static const struct snd_kcontrol_new rt715_adc23_mux =
SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt715_adc23_enum,
rt715_sdca_mux_get, rt715_sdca_mux_put);
static const struct snd_kcontrol_new rt715_adc24_mux =
SOC_DAPM_ENUM_EXT("ADC 24 Mux", rt715_adc24_enum,
rt715_sdca_mux_get, rt715_sdca_mux_put);
static const struct snd_kcontrol_new rt715_adc25_mux =
SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt715_adc25_enum,
rt715_sdca_mux_get, rt715_sdca_mux_put);
static int rt715_sdca_pde23_24_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 rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_write(rt715->regmap,
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN,
RT715_SDCA_REQ_POW_CTRL,
CH_00), 0x00);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_write(rt715->regmap,
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN,
RT715_SDCA_REQ_POW_CTRL,
CH_00), 0x03);
break;
}
return 0;
}
static const struct snd_soc_dapm_widget rt715_sdca_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("DMIC1"),
SND_SOC_DAPM_INPUT("DMIC2"),
SND_SOC_DAPM_INPUT("DMIC3"),
SND_SOC_DAPM_INPUT("DMIC4"),
SND_SOC_DAPM_INPUT("MIC1"),
SND_SOC_DAPM_INPUT("MIC2"),
SND_SOC_DAPM_INPUT("LINE1"),
SND_SOC_DAPM_INPUT("LINE2"),
SND_SOC_DAPM_SUPPLY("PDE23_24", SND_SOC_NOPM, 0, 0,
rt715_sdca_pde23_24_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_ADC("ADC 07", NULL, SND_SOC_NOPM, 4, 0),
SND_SOC_DAPM_ADC("ADC 08", NULL, SND_SOC_NOPM, 4, 0),
SND_SOC_DAPM_ADC("ADC 09", NULL, SND_SOC_NOPM, 4, 0),
SND_SOC_DAPM_ADC("ADC 27", NULL, SND_SOC_NOPM, 4, 0),
SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
&rt715_adc22_mux),
SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
&rt715_adc23_mux),
SND_SOC_DAPM_MUX("ADC 24 Mux", SND_SOC_NOPM, 0, 0,
&rt715_adc24_mux),
SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0,
&rt715_adc25_mux),
SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT("DP6TX", "DP6 Capture", 0, SND_SOC_NOPM, 0, 0),
};
static const struct snd_soc_dapm_route rt715_sdca_audio_map[] = {
{"DP6TX", NULL, "ADC 09"},
{"DP6TX", NULL, "ADC 08"},
{"DP4TX", NULL, "ADC 07"},
{"DP4TX", NULL, "ADC 27"},
{"DP4TX", NULL, "ADC 09"},
{"DP4TX", NULL, "ADC 08"},
{"LINE1", NULL, "PDE23_24"},
{"LINE2", NULL, "PDE23_24"},
{"MIC1", NULL, "PDE23_24"},
{"MIC2", NULL, "PDE23_24"},
{"DMIC1", NULL, "PDE23_24"},
{"DMIC2", NULL, "PDE23_24"},
{"DMIC3", NULL, "PDE23_24"},
{"DMIC4", NULL, "PDE23_24"},
{"ADC 09", NULL, "ADC 22 Mux"},
{"ADC 08", NULL, "ADC 23 Mux"},
{"ADC 07", NULL, "ADC 24 Mux"},
{"ADC 27", NULL, "ADC 25 Mux"},
{"ADC 22 Mux", "MIC1", "MIC1"},
{"ADC 22 Mux", "MIC2", "MIC2"},
{"ADC 22 Mux", "LINE1", "LINE1"},
{"ADC 22 Mux", "LINE2", "LINE2"},
{"ADC 22 Mux", "DMIC1", "DMIC1"},
{"ADC 22 Mux", "DMIC2", "DMIC2"},
{"ADC 22 Mux", "DMIC3", "DMIC3"},
{"ADC 22 Mux", "DMIC4", "DMIC4"},
{"ADC 23 Mux", "MIC1", "MIC1"},
{"ADC 23 Mux", "MIC2", "MIC2"},
{"ADC 23 Mux", "LINE1", "LINE1"},
{"ADC 23 Mux", "LINE2", "LINE2"},
{"ADC 23 Mux", "DMIC1", "DMIC1"},
{"ADC 23 Mux", "DMIC2", "DMIC2"},
{"ADC 23 Mux", "DMIC3", "DMIC3"},
{"ADC 23 Mux", "DMIC4", "DMIC4"},
{"ADC 24 Mux", "MIC2", "MIC2"},
{"ADC 24 Mux", "DMIC1", "DMIC1"},
{"ADC 24 Mux", "DMIC2", "DMIC2"},
{"ADC 24 Mux", "DMIC3", "DMIC3"},
{"ADC 24 Mux", "DMIC4", "DMIC4"},
{"ADC 25 Mux", "MIC1", "MIC1"},
{"ADC 25 Mux", "DMIC1", "DMIC1"},
{"ADC 25 Mux", "DMIC2", "DMIC2"},
{"ADC 25 Mux", "DMIC3", "DMIC3"},
{"ADC 25 Mux", "DMIC4", "DMIC4"},
};
static int rt715_sdca_probe(struct snd_soc_component *component)
{
int ret;
ret = pm_runtime_resume(component->dev);
if (ret < 0 && ret != -EACCES)
return ret;
return 0;
}
static const struct snd_soc_component_driver soc_codec_dev_rt715_sdca = {
.probe = rt715_sdca_probe,
.controls = rt715_sdca_snd_controls,
.num_controls = ARRAY_SIZE(rt715_sdca_snd_controls),
.dapm_widgets = rt715_sdca_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt715_sdca_dapm_widgets),
.dapm_routes = rt715_sdca_audio_map,
.num_dapm_routes = ARRAY_SIZE(rt715_sdca_audio_map),
.endianness = 1,
};
static int rt715_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
int direction)
{
struct rt715_sdw_stream_data *stream;
stream = kzalloc(sizeof(*stream), GFP_KERNEL);
if (!stream)
return -ENOMEM;
stream->sdw_stream = 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 rt715_sdca_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct rt715_sdw_stream_data *stream;
stream = snd_soc_dai_get_dma_data(dai, substream);
if (!stream)
return;
snd_soc_dai_set_dma_data(dai, substream, NULL);
kfree(stream);
}
static int rt715_sdca_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 rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
struct sdw_stream_config stream_config;
struct sdw_port_config port_config;
enum sdw_data_direction direction;
struct rt715_sdw_stream_data *stream;
int retval, port, num_channels;
unsigned int val;
stream = snd_soc_dai_get_dma_data(dai, substream);
if (!stream)
return -EINVAL;
if (!rt715->slave)
return -EINVAL;
switch (dai->id) {
case RT715_AIF1:
direction = SDW_DATA_DIR_TX;
port = 6;
rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL,
0xa500);
break;
case RT715_AIF2:
direction = SDW_DATA_DIR_TX;
port = 4;
rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL,
0xaf00);
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 = GENMASK(num_channels - 1, 0);
port_config.num = port;
retval = sdw_stream_add_slave(rt715->slave, &stream_config,
&port_config, 1, stream->sdw_stream);
if (retval) {
dev_err(component->dev, "Unable to configure port, retval:%d\n",
retval);
return retval;
}
switch (params_rate(params)) {
case 8000:
val = 0x1;
break;
case 11025:
val = 0x2;
break;
case 12000:
val = 0x3;
break;
case 16000:
val = 0x4;
break;
case 22050:
val = 0x5;
break;
case 24000:
val = 0x6;
break;
case 32000:
val = 0x7;
break;
case 44100:
val = 0x8;
break;
case 48000:
val = 0x9;
break;
case 88200:
val = 0xa;
break;
case 96000:
val = 0xb;
break;
case 176400:
val = 0xc;
break;
case 192000:
val = 0xd;
break;
case 384000:
val = 0xe;
break;
case 768000:
val = 0xf;
break;
default:
dev_err(component->dev, "Unsupported sample rate %d\n",
params_rate(params));
return -EINVAL;
}
regmap_write(rt715->regmap,
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CS_FREQ_IND_EN,
RT715_SDCA_FREQ_IND_CTRL, CH_00), val);
return 0;
}
static int rt715_sdca_pcm_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
struct rt715_sdw_stream_data *stream =
snd_soc_dai_get_dma_data(dai, substream);
if (!rt715->slave)
return -EINVAL;
sdw_stream_remove_slave(rt715->slave, stream->sdw_stream);
return 0;
}
#define RT715_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
#define RT715_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 rt715_sdca_ops = {
.hw_params = rt715_sdca_pcm_hw_params,
.hw_free = rt715_sdca_pcm_hw_free,
.set_stream = rt715_sdca_set_sdw_stream,
.shutdown = rt715_sdca_shutdown,
};
static struct snd_soc_dai_driver rt715_sdca_dai[] = {
{
.name = "rt715-aif1",
.id = RT715_AIF1,
.capture = {
.stream_name = "DP6 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = RT715_STEREO_RATES,
.formats = RT715_FORMATS,
},
.ops = &rt715_sdca_ops,
},
{
.name = "rt715-aif2",
.id = RT715_AIF2,
.capture = {
.stream_name = "DP4 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = RT715_STEREO_RATES,
.formats = RT715_FORMATS,
},
.ops = &rt715_sdca_ops,
},
};
/* Bus clock frequency */
#define RT715_CLK_FREQ_9600000HZ 9600000
#define RT715_CLK_FREQ_12000000HZ 12000000
#define RT715_CLK_FREQ_6000000HZ 6000000
#define RT715_CLK_FREQ_4800000HZ 4800000
#define RT715_CLK_FREQ_2400000HZ 2400000
#define RT715_CLK_FREQ_12288000HZ 12288000
int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap,
struct regmap *regmap, struct sdw_slave *slave)
{
struct rt715_sdca_priv *rt715;
int ret;
rt715 = devm_kzalloc(dev, sizeof(*rt715), GFP_KERNEL);
if (!rt715)
return -ENOMEM;
dev_set_drvdata(dev, rt715);
rt715->slave = slave;
rt715->regmap = regmap;
rt715->mbq_regmap = mbq_regmap;
rt715->hw_sdw_ver = slave->id.sdw_version;
/*
* Mark hw_init to false
* HW init will be performed when device reports present
*/
rt715->hw_init = false;
rt715->first_hw_init = false;
ret = devm_snd_soc_register_component(dev,
&soc_codec_dev_rt715_sdca,
rt715_sdca_dai,
ARRAY_SIZE(rt715_sdca_dai));
return ret;
}
int rt715_sdca_io_init(struct device *dev, struct sdw_slave *slave)
{
struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
unsigned int hw_ver;
if (rt715->hw_init)
return 0;
/*
* PM runtime is only enabled when a Slave reports as Attached
*/
if (!rt715->first_hw_init) {
/* set autosuspend parameters */
pm_runtime_set_autosuspend_delay(&slave->dev, 3000);
pm_runtime_use_autosuspend(&slave->dev);
/* update count of parent 'active' children */
pm_runtime_set_active(&slave->dev);
/* make sure the device does not suspend immediately */
pm_runtime_mark_last_busy(&slave->dev);
pm_runtime_enable(&slave->dev);
rt715->first_hw_init = true;
}
pm_runtime_get_noresume(&slave->dev);
rt715_sdca_index_read(rt715, RT715_VENDOR_REG,
RT715_PRODUCT_NUM, &hw_ver);
hw_ver = hw_ver & 0x000f;
/* set clock selector = external */
regmap_write(rt715->regmap,
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CX_CLK_SEL_EN,
RT715_SDCA_CX_CLK_SEL_CTRL, CH_00), 0x1);
/* set GPIO_4/5/6 to be 3rd/4th DMIC usage */
if (hw_ver == 0x0)
rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
RT715_AD_FUNC_EN, 0x54, 0x54);
else if (hw_ver == 0x1) {
rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
RT715_AD_FUNC_EN, 0x55, 0x55);
rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
RT715_REV_1, 0x40, 0x40);
}
/* DFLL Calibration trigger */
rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
RT715_DFLL_VAD, 0x1, 0x1);
/* trigger mode = VAD enable */
regmap_write(rt715->regmap,
SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
RT715_SDCA_SMPU_TRIG_EN_CTRL, CH_00), 0x2);
/* SMPU-1 interrupt enable mask */
regmap_update_bits(rt715->regmap, RT715_INT_MASK, 0x1, 0x1);
/* Mark Slave initialization complete */
rt715->hw_init = true;
pm_runtime_mark_last_busy(&slave->dev);
pm_runtime_put_autosuspend(&slave->dev);
return 0;
}
MODULE_DESCRIPTION("ASoC rt715 driver SDW SDCA");
MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
MODULE_LICENSE("GPL v2");