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WSL2-Linux-Kernel/sound/soc/codecs/rt715.c

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C
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// SPDX-License-Identifier: GPL-2.0
/*
* rt715.c -- rt715 ALSA SoC audio driver
*
* Copyright(c) 2019 Realtek Semiconductor Corp.
*
* ALC715 ASoC Codec Driver based Intel Dummy SdW codec driver
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/pm_runtime.h>
#include <linux/pm.h>
#include <linux/soundwire/sdw.h>
#include <linux/gpio.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/gpio/consumer.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/of_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 <sound/hda_verbs.h>
#include "rt715.h"
static int rt715_index_write(struct regmap *regmap, unsigned int reg,
unsigned int value)
{
int ret;
unsigned int addr = ((RT715_PRIV_INDEX_W_H) << 8) | reg;
ret = regmap_write(regmap, addr, value);
if (ret < 0) {
pr_err("Failed to set private value: %08x <= %04x %d\n", ret,
addr, value);
}
return ret;
}
static void rt715_get_gain(struct rt715_priv *rt715, unsigned int addr_h,
unsigned int addr_l, unsigned int val_h,
unsigned int *r_val, unsigned int *l_val)
{
int ret;
/* R Channel */
*r_val = (val_h << 8);
ret = regmap_read(rt715->regmap, addr_l, r_val);
if (ret < 0)
pr_err("Failed to get R channel gain.\n");
/* L Channel */
val_h |= 0x20;
*l_val = (val_h << 8);
ret = regmap_read(rt715->regmap, addr_h, l_val);
if (ret < 0)
pr_err("Failed to get L channel gain.\n");
}
/* For Verb-Set Amplifier Gain (Verb ID = 3h) */
static int rt715_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 rt715_priv *rt715 = 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 == RT715_DIR_OUT_SFT) /* output */
val_h = 0x80;
else /* input */
val_h = 0x0;
rt715_get_gain(rt715, 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;
}
/* R Channel */
if (mc->invert) {
regmap_write(rt715->regmap,
RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
/* 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(rt715->regmap, addr_h,
(val_h << 8 | val_ll));
regmap_write(rt715->regmap, addr_l,
(val_h << 8 | val_ll));
} else {
/* Lch*/
val_h = (1 << mc->shift) | (1 << 5);
regmap_write(rt715->regmap, addr_h,
(val_h << 8 | val_ll));
/* Rch */
val_h = (1 << mc->shift) | (1 << 4);
regmap_write(rt715->regmap, addr_l,
(val_h << 8 | val_lr));
}
/* check result */
if (mc->shift == RT715_DIR_OUT_SFT) /* output */
val_h = 0x80;
else /* input */
val_h = 0x0;
rt715_get_gain(rt715, addr_h, addr_l, val_h,
&read_rl, &read_ll);
if (read_rl == val_lr && read_ll == val_ll)
break;
}
/* D0:power on state, D3: power saving mode */
if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
regmap_write(rt715->regmap,
RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
return 0;
}
static int rt715_set_amp_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt715_priv *rt715 = 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 == RT715_DIR_OUT_SFT) /* output */
val_h = 0x80;
else /* input */
val_h = 0x0;
rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll);
if (mc->invert) {
/* for mute status */
read_ll = !((read_ll & 0x80) >> RT715_MUTE_SFT);
read_rl = !((read_rl & 0x80) >> RT715_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(in_vol_tlv, -1725, 75, 0);
static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
#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) }
static const struct snd_kcontrol_new rt715_snd_controls[] = {
/* Capture switch */
SOC_DOUBLE_R_EXT("ADC 07 Capture Switch", RT715_SET_GAIN_MIC_ADC_H,
RT715_SET_GAIN_MIC_ADC_L, RT715_DIR_IN_SFT, 1, 1,
rt715_set_amp_gain_get, rt715_set_amp_gain_put),
SOC_DOUBLE_R_EXT("ADC 08 Capture Switch", RT715_SET_GAIN_LINE_ADC_H,
RT715_SET_GAIN_LINE_ADC_L, RT715_DIR_IN_SFT, 1, 1,
rt715_set_amp_gain_get, rt715_set_amp_gain_put),
SOC_DOUBLE_R_EXT("ADC 09 Capture Switch", RT715_SET_GAIN_MIX_ADC_H,
RT715_SET_GAIN_MIX_ADC_L, RT715_DIR_IN_SFT, 1, 1,
rt715_set_amp_gain_get, rt715_set_amp_gain_put),
SOC_DOUBLE_R_EXT("ADC 27 Capture Switch", RT715_SET_GAIN_MIX_ADC2_H,
RT715_SET_GAIN_MIX_ADC2_L, RT715_DIR_IN_SFT, 1, 1,
rt715_set_amp_gain_get, rt715_set_amp_gain_put),
/* Volume Control */
SOC_DOUBLE_R_EXT_TLV("ADC 07 Capture Volume", RT715_SET_GAIN_MIC_ADC_H,
RT715_SET_GAIN_MIC_ADC_L, RT715_DIR_IN_SFT, 0x3f, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
in_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume", RT715_SET_GAIN_LINE_ADC_H,
RT715_SET_GAIN_LINE_ADC_L, RT715_DIR_IN_SFT, 0x3f, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
in_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume", RT715_SET_GAIN_MIX_ADC_H,
RT715_SET_GAIN_MIX_ADC_L, RT715_DIR_IN_SFT, 0x3f, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
in_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("ADC 27 Capture Volume", RT715_SET_GAIN_MIX_ADC2_H,
RT715_SET_GAIN_MIX_ADC2_L, RT715_DIR_IN_SFT, 0x3f, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
in_vol_tlv),
/* MIC Boost Control */
SOC_DOUBLE_R_EXT_TLV("DMIC1 Boost", RT715_SET_GAIN_DMIC1_H,
RT715_SET_GAIN_DMIC1_L, RT715_DIR_IN_SFT, 3, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
mic_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("DMIC2 Boost", RT715_SET_GAIN_DMIC2_H,
RT715_SET_GAIN_DMIC2_L, RT715_DIR_IN_SFT, 3, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
mic_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("DMIC3 Boost", RT715_SET_GAIN_DMIC3_H,
RT715_SET_GAIN_DMIC3_L, RT715_DIR_IN_SFT, 3, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
mic_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("DMIC4 Boost", RT715_SET_GAIN_DMIC4_H,
RT715_SET_GAIN_DMIC4_L, RT715_DIR_IN_SFT, 3, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
mic_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("MIC1 Boost", RT715_SET_GAIN_MIC1_H,
RT715_SET_GAIN_MIC1_L, RT715_DIR_IN_SFT, 3, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
mic_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("MIC2 Boost", RT715_SET_GAIN_MIC2_H,
RT715_SET_GAIN_MIC2_L, RT715_DIR_IN_SFT, 3, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
mic_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("LINE1 Boost", RT715_SET_GAIN_LINE1_H,
RT715_SET_GAIN_LINE1_L, RT715_DIR_IN_SFT, 3, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
mic_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("LINE2 Boost", RT715_SET_GAIN_LINE2_H,
RT715_SET_GAIN_LINE2_L, RT715_DIR_IN_SFT, 3, 0,
rt715_set_amp_gain_get, rt715_set_amp_gain_put,
mic_vol_tlv),
};
static int rt715_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_priv *rt715 = snd_soc_component_get_drvdata(component);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int reg, val;
int ret;
/* nid = e->reg, vid = 0xf01 */
reg = RT715_VERB_SET_CONNECT_SEL | e->reg;
ret = regmap_read(rt715->regmap, reg, &val);
if (ret < 0) {
dev_err(component->dev, "%s: sdw read failed: %d\n",
__func__, ret);
return ret;
}
/*
* 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 ((e->reg == RT715_MUX_IN3 || e->reg == RT715_MUX_IN4) && (val > 0))
val -= 1;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
static int rt715_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_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, reg;
int ret;
if (item[0] >= e->items)
return -EINVAL;
/* Verb ID = 0x701h, nid = e->reg */
val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
reg = RT715_VERB_SET_CONNECT_SEL | e->reg;
ret = regmap_read(rt715->regmap, reg, &val2);
if (ret < 0) {
dev_err(component->dev, "%s: sdw read failed: %d\n",
__func__, ret);
return ret;
}
if (val == val2)
change = 0;
else
change = 1;
if (change) {
reg = RT715_VERB_SET_CONNECT_SEL | e->reg;
regmap_write(rt715->regmap, reg, val);
}
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 const unsigned 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, RT715_MUX_IN1, 0, adc_22_23_mux_text);
static SOC_ENUM_SINGLE_DECL(
rt715_adc23_enum, RT715_MUX_IN2, 0, adc_22_23_mux_text);
static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum,
RT715_MUX_IN3, 0, 0xf,
adc_24_mux_text, rt715_adc_24_25_values);
static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum,
RT715_MUX_IN4, 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_mux_get, rt715_mux_put);
static const struct snd_kcontrol_new rt715_adc23_mux =
SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt715_adc23_enum,
rt715_mux_get, rt715_mux_put);
static const struct snd_kcontrol_new rt715_adc24_mux =
SOC_DAPM_ENUM_EXT("ADC 24 Mux", rt715_adc24_enum,
rt715_mux_get, rt715_mux_put);
static const struct snd_kcontrol_new rt715_adc25_mux =
SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt715_adc25_enum,
rt715_mux_get, rt715_mux_put);
static const struct snd_soc_dapm_widget rt715_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_ADC("ADC 07", NULL, RT715_SET_STREAMID_MIC_ADC, 4, 0),
SND_SOC_DAPM_ADC("ADC 08", NULL, RT715_SET_STREAMID_LINE_ADC, 4, 0),
SND_SOC_DAPM_ADC("ADC 09", NULL, RT715_SET_STREAMID_MIX_ADC, 4, 0),
SND_SOC_DAPM_ADC("ADC 27", NULL, RT715_SET_STREAMID_MIX_ADC2, 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_audio_map[] = {
{"DP6TX", NULL, "ADC 09"},
{"DP6TX", NULL, "ADC 08"},
{"DP4TX", NULL, "ADC 07"},
{"DP4TX", NULL, "ADC 27"},
{"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_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 rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
switch (level) {
case SND_SOC_BIAS_PREPARE:
if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
regmap_write(rt715->regmap,
RT715_SET_AUDIO_POWER_STATE,
AC_PWRST_D0);
msleep(RT715_POWER_UP_DELAY_MS);
}
break;
case SND_SOC_BIAS_STANDBY:
regmap_write(rt715->regmap,
RT715_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_rt715 = {
.set_bias_level = rt715_set_bias_level,
.controls = rt715_snd_controls,
.num_controls = ARRAY_SIZE(rt715_snd_controls),
.dapm_widgets = rt715_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt715_dapm_widgets),
.dapm_routes = rt715_audio_map,
.num_dapm_routes = ARRAY_SIZE(rt715_audio_map),
};
static int rt715_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 rt715_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 rt715_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_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 sdw_stream_data *stream;
int retval, port, num_channels;
unsigned int val = 0;
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_index_write(rt715->regmap, RT715_SDW_INPUT_SEL, 0xa500);
break;
case RT715_AIF2:
direction = SDW_DATA_DIR_TX;
port = 4;
rt715_index_write(rt715->regmap, RT715_SDW_INPUT_SEL, 0xa000);
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(rt715->slave, &stream_config,
&port_config, 1, stream->sdw_stream);
if (retval) {
dev_err(dai->dev, "Unable to configure port\n");
return retval;
}
switch (params_rate(params)) {
/* bit 14 0:48K 1:44.1K */
/* bit 15 Stream Type 0:PCM 1:Non-PCM, should always be PCM */
case 44100:
val |= 0x40 << 8;
break;
case 48000:
val |= 0x0 << 8;
break;
default:
dev_err(component->dev, "Unsupported sample rate %d\n",
params_rate(params));
return -EINVAL;
}
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;
}
regmap_write(rt715->regmap, RT715_MIC_ADC_FORMAT_H, val);
regmap_write(rt715->regmap, RT715_MIC_LINE_FORMAT_H, val);
regmap_write(rt715->regmap, RT715_MIX_ADC_FORMAT_H, val);
regmap_write(rt715->regmap, RT715_MIX_ADC2_FORMAT_H, val);
return retval;
}
static int rt715_pcm_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
struct 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 struct snd_soc_dai_ops rt715_ops = {
.hw_params = rt715_pcm_hw_params,
.hw_free = rt715_pcm_hw_free,
.set_sdw_stream = rt715_set_sdw_stream,
.shutdown = rt715_shutdown,
};
static struct snd_soc_dai_driver rt715_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_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_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_clock_config(struct device *dev)
{
struct rt715_priv *rt715 = dev_get_drvdata(dev);
unsigned int clk_freq, value;
clk_freq = (rt715->params.curr_dr_freq >> 1);
switch (clk_freq) {
case RT715_CLK_FREQ_12000000HZ:
value = 0x0;
break;
case RT715_CLK_FREQ_6000000HZ:
value = 0x1;
break;
case RT715_CLK_FREQ_9600000HZ:
value = 0x2;
break;
case RT715_CLK_FREQ_4800000HZ:
value = 0x3;
break;
case RT715_CLK_FREQ_2400000HZ:
value = 0x4;
break;
case RT715_CLK_FREQ_12288000HZ:
value = 0x5;
break;
default:
return -EINVAL;
}
regmap_write(rt715->regmap, 0xe0, value);
regmap_write(rt715->regmap, 0xf0, value);
return 0;
}
int rt715_init(struct device *dev, struct regmap *sdw_regmap,
struct regmap *regmap, struct sdw_slave *slave)
{
struct rt715_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->sdw_regmap = sdw_regmap;
/*
* 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,
rt715_dai,
ARRAY_SIZE(rt715_dai));
return ret;
}
int rt715_io_init(struct device *dev, struct sdw_slave *slave)
{
struct rt715_priv *rt715 = dev_get_drvdata(dev);
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);
}
pm_runtime_get_noresume(&slave->dev);
/* Mute nid=08h/09h */
regmap_write(rt715->regmap, RT715_SET_GAIN_LINE_ADC_H, 0xb080);
regmap_write(rt715->regmap, RT715_SET_GAIN_MIX_ADC_H, 0xb080);
/* Mute nid=07h/27h */
regmap_write(rt715->regmap, RT715_SET_GAIN_MIC_ADC_H, 0xb080);
regmap_write(rt715->regmap, RT715_SET_GAIN_MIX_ADC2_H, 0xb080);
/* Set Pin Widget */
regmap_write(rt715->regmap, RT715_SET_PIN_DMIC1, 0x20);
regmap_write(rt715->regmap, RT715_SET_PIN_DMIC2, 0x20);
regmap_write(rt715->regmap, RT715_SET_PIN_DMIC3, 0x20);
regmap_write(rt715->regmap, RT715_SET_PIN_DMIC4, 0x20);
/* Set Converter Stream */
regmap_write(rt715->regmap, RT715_SET_STREAMID_LINE_ADC, 0x10);
regmap_write(rt715->regmap, RT715_SET_STREAMID_MIX_ADC, 0x10);
regmap_write(rt715->regmap, RT715_SET_STREAMID_MIC_ADC, 0x10);
regmap_write(rt715->regmap, RT715_SET_STREAMID_MIX_ADC2, 0x10);
/* Set Configuration Default */
regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT1, 0xd0);
regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT2, 0x11);
regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT3, 0xa1);
regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT4, 0x81);
regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT1, 0xd1);
regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT2, 0x11);
regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT3, 0xa1);
regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT4, 0x81);
regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT1, 0xd0);
regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT2, 0x11);
regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT3, 0xa1);
regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT4, 0x81);
regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT1, 0xd1);
regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT2, 0x11);
regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT3, 0xa1);
regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT4, 0x81);
/* Finish Initial Settings, set power to D3 */
regmap_write(rt715->regmap, RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
if (rt715->first_hw_init)
regcache_mark_dirty(rt715->regmap);
else
rt715->first_hw_init = true;
/* 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");
MODULE_DESCRIPTION("ASoC rt715 driver SDW");
MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
MODULE_LICENSE("GPL v2");
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