new file mode 100644
@@ -0,0 +1,20 @@
+/*
+ * linux/sound/rt286.h -- Platform data for RT286
+ *
+ * Copyright 2013 Realtek Microelectronics
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_RT298_H
+#define __LINUX_SND_RT298_H
+
+struct rt298_platform_data {
+ bool cbj_en; /*combo jack enable*/
+ bool gpio2_en; /*GPIO2 enable*/
+ bool suspend_power_off; /* power is off during suspend */
+};
+
+#endif
@@ -83,6 +83,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_PCM512x_I2C if I2C
select SND_SOC_PCM512x_SPI if SPI_MASTER
select SND_SOC_RT286 if I2C
+ select SND_SOC_RT298 if I2C
select SND_SOC_RT5631 if I2C
select SND_SOC_RT5640 if I2C
select SND_SOC_RT5645 if I2C
@@ -512,12 +513,18 @@ config SND_SOC_RL6231
config SND_SOC_RL6347A
tristate
default y if SND_SOC_RT286=y
+ default y if SND_SOC_RT298=y
default m if SND_SOC_RT286=m
+ default m if SND_SOC_RT298=m
config SND_SOC_RT286
tristate
depends on I2C
+config SND_SOC_RT298
+ tristate
+ depends on I2C
+
config SND_SOC_RT5631
tristate "Realtek ALC5631/RT5631 CODEC"
depends on I2C
@@ -79,6 +79,7 @@ snd-soc-pcm512x-spi-objs := pcm512x-spi.o
snd-soc-rl6231-objs := rl6231.o
snd-soc-rl6347a-objs := rl6347a.o
snd-soc-rt286-objs := rt286.o
+snd-soc-rt298-objs := rt298.o
snd-soc-rt5631-objs := rt5631.o
snd-soc-rt5640-objs := rt5640.o
snd-soc-rt5645-objs := rt5645.o
@@ -266,6 +267,7 @@ obj-$(CONFIG_SND_SOC_PCM512x_SPI) += snd-soc-pcm512x-spi.o
obj-$(CONFIG_SND_SOC_RL6231) += snd-soc-rl6231.o
obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o
obj-$(CONFIG_SND_SOC_RT286) += snd-soc-rt286.o
+obj-$(CONFIG_SND_SOC_RT298) += snd-soc-rt298.o
obj-$(CONFIG_SND_SOC_RT5631) += snd-soc-rt5631.o
obj-$(CONFIG_SND_SOC_RT5640) += snd-soc-rt5640.o
obj-$(CONFIG_SND_SOC_RT5645) += snd-soc-rt5645.o
new file mode 100644
@@ -0,0 +1,1274 @@
+/*
+ * rt298.c -- RT298 ALSA SoC audio codec driver
+ *
+ * Copyright 2015 Realtek Semiconductor Corp.
+ * Author: Bard Liao <bardliao@realtek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/acpi.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/jack.h>
+#include <linux/workqueue.h>
+#include <sound/rt298.h>
+#include <sound/hda_verbs.h>
+
+#include "rl6347a.h"
+#include "rt298.h"
+
+#define RT298_VENDOR_ID 0x10ec0298
+
+struct rt298_priv {
+ struct reg_default *index_cache;
+ int index_cache_size;
+ struct regmap *regmap;
+ struct snd_soc_codec *codec;
+ struct rt298_platform_data pdata;
+ struct i2c_client *i2c;
+ struct snd_soc_jack *jack;
+ struct delayed_work jack_detect_work;
+ int sys_clk;
+ int clk_id;
+ int is_hp_in;
+};
+
+static struct reg_default rt298_index_def[] = {
+ { 0x01, 0xaaaa },
+ { 0x02, 0x8aaa },
+ { 0x03, 0x0002 },
+ { 0x04, 0xaf01 },
+ { 0x08, 0x000d },
+ { 0x09, 0xd810 },
+ { 0x0a, 0x0120 },
+ { 0x0b, 0x0000 },
+ { 0x0d, 0x2800 },
+ { 0x0f, 0x0000 },
+ { 0x19, 0x0a17 },
+ { 0x20, 0x0020 },
+ { 0x33, 0x0208 },
+ { 0x46, 0x0300 },
+ { 0x49, 0x0004 },
+ { 0x4f, 0x50e9 },
+ { 0x50, 0x2000 },
+ { 0x63, 0x2902 },
+ { 0x67, 0x1111 },
+ { 0x68, 0x1016 },
+ { 0x69, 0x273f },
+};
+#define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
+
+static const struct reg_default rt298_reg[] = {
+ { 0x00170500, 0x00000400 },
+ { 0x00220000, 0x00000031 },
+ { 0x00239000, 0x0000007f },
+ { 0x0023a000, 0x0000007f },
+ { 0x00270500, 0x00000400 },
+ { 0x00370500, 0x00000400 },
+ { 0x00870500, 0x00000400 },
+ { 0x00920000, 0x00000031 },
+ { 0x00935000, 0x000000c3 },
+ { 0x00936000, 0x000000c3 },
+ { 0x00970500, 0x00000400 },
+ { 0x00b37000, 0x00000097 },
+ { 0x00b37200, 0x00000097 },
+ { 0x00b37300, 0x00000097 },
+ { 0x00c37000, 0x00000000 },
+ { 0x00c37100, 0x00000080 },
+ { 0x01270500, 0x00000400 },
+ { 0x01370500, 0x00000400 },
+ { 0x01371f00, 0x411111f0 },
+ { 0x01439000, 0x00000080 },
+ { 0x0143a000, 0x00000080 },
+ { 0x01470700, 0x00000000 },
+ { 0x01470500, 0x00000400 },
+ { 0x01470c00, 0x00000000 },
+ { 0x01470100, 0x00000000 },
+ { 0x01837000, 0x00000000 },
+ { 0x01870500, 0x00000400 },
+ { 0x02050000, 0x00000000 },
+ { 0x02139000, 0x00000080 },
+ { 0x0213a000, 0x00000080 },
+ { 0x02170100, 0x00000000 },
+ { 0x02170500, 0x00000400 },
+ { 0x02170700, 0x00000000 },
+ { 0x02270100, 0x00000000 },
+ { 0x02370100, 0x00000000 },
+ { 0x01870700, 0x00000020 },
+ { 0x00830000, 0x000000c3 },
+ { 0x00930000, 0x000000c3 },
+ { 0x01270700, 0x00000000 },
+};
+
+static bool rt298_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case 0 ... 0xff:
+ case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
+ case RT298_GET_HP_SENSE:
+ case RT298_GET_MIC1_SENSE:
+ case RT298_PROC_COEF:
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
+ return true;
+ default:
+ return true;
+ }
+
+
+}
+
+static bool rt298_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case 0 ... 0xff:
+ case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
+ case RT298_GET_HP_SENSE:
+ case RT298_GET_MIC1_SENSE:
+ case RT298_SET_AUDIO_POWER:
+ case RT298_SET_HPO_POWER:
+ case RT298_SET_SPK_POWER:
+ case RT298_SET_DMIC1_POWER:
+ case RT298_SPK_MUX:
+ case RT298_HPO_MUX:
+ case RT298_ADC0_MUX:
+ case RT298_ADC1_MUX:
+ case RT298_SET_MIC1:
+ case RT298_SET_PIN_HPO:
+ case RT298_SET_PIN_SPK:
+ case RT298_SET_PIN_DMIC1:
+ case RT298_SPK_EAPD:
+ case RT298_SET_AMP_GAIN_HPO:
+ case RT298_SET_DMIC2_DEFAULT:
+ case RT298_DACL_GAIN:
+ case RT298_DACR_GAIN:
+ case RT298_ADCL_GAIN:
+ case RT298_ADCR_GAIN:
+ case RT298_MIC_GAIN:
+ case RT298_SPOL_GAIN:
+ case RT298_SPOR_GAIN:
+ case RT298_HPOL_GAIN:
+ case RT298_HPOR_GAIN:
+ case RT298_F_DAC_SWITCH:
+ case RT298_F_RECMIX_SWITCH:
+ case RT298_REC_MIC_SWITCH:
+ case RT298_REC_I2S_SWITCH:
+ case RT298_REC_LINE_SWITCH:
+ case RT298_REC_BEEP_SWITCH:
+ case RT298_DAC_FORMAT:
+ case RT298_ADC_FORMAT:
+ case RT298_COEF_INDEX:
+ case RT298_PROC_COEF:
+ case RT298_SET_AMP_GAIN_ADC_IN1:
+ case RT298_SET_AMP_GAIN_ADC_IN2:
+ case RT298_SET_POWER(RT298_DAC_OUT1):
+ case RT298_SET_POWER(RT298_DAC_OUT2):
+ case RT298_SET_POWER(RT298_ADC_IN1):
+ case RT298_SET_POWER(RT298_ADC_IN2):
+ case RT298_SET_POWER(RT298_DMIC2):
+ case RT298_SET_POWER(RT298_MIC1):
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
+ case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
+ return true;
+ default:
+ return false;
+ }
+}
+
+#ifdef CONFIG_PM
+static void rt298_index_sync(struct snd_soc_codec *codec)
+{
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+ int i;
+
+ for (i = 0; i < INDEX_CACHE_SIZE; i++) {
+ snd_soc_write(codec, rt298->index_cache[i].reg,
+ rt298->index_cache[i].def);
+ }
+}
+#endif
+
+static int rt298_support_power_controls[] = {
+ RT298_DAC_OUT1,
+ RT298_DAC_OUT2,
+ RT298_ADC_IN1,
+ RT298_ADC_IN2,
+ RT298_MIC1,
+ RT298_DMIC1,
+ RT298_DMIC2,
+ RT298_SPK_OUT,
+ RT298_HP_OUT,
+};
+#define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
+
+static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
+{
+ struct snd_soc_dapm_context *dapm;
+ unsigned int val, buf;
+
+ *hp = false;
+ *mic = false;
+
+ if (!rt298->codec)
+ return -EINVAL;
+
+ dapm = snd_soc_codec_get_dapm(rt298->codec);
+
+ if (rt298->pdata.cbj_en) {
+ regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
+ *hp = buf & 0x80000000;
+ if (*hp == rt298->is_hp_in)
+ return -1;
+ rt298->is_hp_in = *hp;
+ if (*hp) {
+ /* power on HV,VERF */
+ regmap_update_bits(rt298->regmap,
+ RT298_DC_GAIN, 0x200, 0x200);
+
+ snd_soc_dapm_force_enable_pin(dapm, "HV");
+ snd_soc_dapm_force_enable_pin(dapm, "VREF");
+ /* power LDO1 */
+ snd_soc_dapm_force_enable_pin(dapm, "LDO1");
+ snd_soc_dapm_sync(dapm);
+
+ regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
+ msleep(50);
+
+ regmap_update_bits(rt298->regmap,
+ RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
+ msleep(300);
+ regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
+
+ if (0x0070 == (val & 0x0070)) {
+ *mic = true;
+ } else {
+ regmap_update_bits(rt298->regmap,
+ RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
+ msleep(300);
+ regmap_read(rt298->regmap,
+ RT298_CBJ_CTRL2, &val);
+ if (0x0070 == (val & 0x0070))
+ *mic = true;
+ else
+ *mic = false;
+ }
+ regmap_update_bits(rt298->regmap,
+ RT298_DC_GAIN, 0x200, 0x0);
+
+ } else {
+ *mic = false;
+ regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
+ }
+ } else {
+ regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
+ *hp = buf & 0x80000000;
+ regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
+ *mic = buf & 0x80000000;
+ }
+
+ snd_soc_dapm_disable_pin(dapm, "HV");
+ snd_soc_dapm_disable_pin(dapm, "VREF");
+ if (!*hp)
+ snd_soc_dapm_disable_pin(dapm, "LDO1");
+ snd_soc_dapm_sync(dapm);
+
+ pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
+
+ return 0;
+}
+
+static void rt298_jack_detect_work(struct work_struct *work)
+{
+ struct rt298_priv *rt298 =
+ container_of(work, struct rt298_priv, jack_detect_work.work);
+ int status = 0;
+ bool hp = false;
+ bool mic = false;
+
+ if (rt298_jack_detect(rt298, &hp, &mic) < 0)
+ return;
+
+ if (hp == true)
+ status |= SND_JACK_HEADPHONE;
+
+ if (mic == true)
+ status |= SND_JACK_MICROPHONE;
+
+ snd_soc_jack_report(rt298->jack, status,
+ SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+}
+
+int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
+{
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+
+ rt298->jack = jack;
+
+ /* Send an initial empty report */
+ snd_soc_jack_report(rt298->jack, 0,
+ SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt298_mic_detect);
+
+static int is_mclk_mode(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+
+ if (rt298->clk_id == RT298_SCLK_S_MCLK)
+ return 1;
+ else
+ return 0;
+}
+
+static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
+static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
+
+static const struct snd_kcontrol_new rt298_snd_controls[] = {
+ SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
+ RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
+ SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
+ RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
+ SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
+ 0, 0x3, 0, mic_vol_tlv),
+ SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
+ RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
+};
+
+/* Digital Mixer */
+static const struct snd_kcontrol_new rt298_front_mix[] = {
+ SOC_DAPM_SINGLE("DAC Switch", RT298_F_DAC_SWITCH,
+ RT298_MUTE_SFT, 1, 1),
+ SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
+ RT298_MUTE_SFT, 1, 1),
+};
+
+/* Analog Input Mixer */
+static const struct snd_kcontrol_new rt298_rec_mix[] = {
+ SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
+ RT298_MUTE_SFT, 1, 1),
+ SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
+ RT298_MUTE_SFT, 1, 1),
+ SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
+ RT298_MUTE_SFT, 1, 1),
+ SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
+ RT298_MUTE_SFT, 1, 1),
+};
+
+static const struct snd_kcontrol_new spo_enable_control =
+ SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
+ RT298_SET_PIN_SFT, 1, 0);
+
+static const struct snd_kcontrol_new hpol_enable_control =
+ SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
+ RT298_MUTE_SFT, 1, 1);
+
+static const struct snd_kcontrol_new hpor_enable_control =
+ SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
+ RT298_MUTE_SFT, 1, 1);
+
+/* ADC0 source */
+static const char * const rt298_adc_src[] = {
+ "Mic", "RECMIX", "Dmic"
+};
+
+static const int rt298_adc_values[] = {
+ 0, 4, 5,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(
+ rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
+ RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
+
+static const struct snd_kcontrol_new rt298_adc0_mux =
+ SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(
+ rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
+ RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
+
+static const struct snd_kcontrol_new rt298_adc1_mux =
+ SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
+
+static const char * const rt298_dac_src[] = {
+ "Front", "Surround"
+};
+/* HP-OUT source */
+static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
+ 0, rt298_dac_src);
+
+static const struct snd_kcontrol_new rt298_hpo_mux =
+SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
+
+/* SPK-OUT source */
+static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
+ 0, rt298_dac_src);
+
+static const struct snd_kcontrol_new rt298_spo_mux =
+SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
+
+static int rt298_spk_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_write(codec,
+ RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_write(codec,
+ RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0x20);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0);
+ break;
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+static int rt298_adc_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ unsigned int nid;
+
+ nid = (w->reg >> 20) & 0xff;
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_update_bits(codec,
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
+ 0x7080, 0x7000);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_update_bits(codec,
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
+ 0x7080, 0x7080);
+ break;
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ snd_soc_update_bits(codec,
+ RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
+ snd_soc_update_bits(codec,
+ RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ snd_soc_update_bits(codec,
+ RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
+ snd_soc_update_bits(codec,
+ RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
+ break;
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+static int rt298_vref_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ snd_soc_update_bits(codec,
+ RT298_CBJ_CTRL1, 0x0400, 0x0000);
+ mdelay(50);
+ break;
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
+
+ SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
+ 12, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
+ 0, 1, rt298_vref_event, SND_SOC_DAPM_PRE_PMU),
+ SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
+ 1, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
+ 2, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
+ 3, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
+ 4, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
+ 13, 1, NULL, 0),
+
+
+ SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
+ 5, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
+ 0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+
+ /* Input Lines */
+ SND_SOC_DAPM_INPUT("DMIC1 Pin"),
+ SND_SOC_DAPM_INPUT("DMIC2 Pin"),
+ SND_SOC_DAPM_INPUT("MIC1"),
+ SND_SOC_DAPM_INPUT("LINE1"),
+ SND_SOC_DAPM_INPUT("Beep"),
+
+ /* DMIC */
+ SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
+ NULL, 0, rt298_set_dmic1_event,
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
+ SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
+ 0, 0, NULL, 0),
+
+ /* REC Mixer */
+ SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
+ rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
+
+ /* ADCs */
+ SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
+
+ /* ADC Mux */
+ SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
+ &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
+ SND_SOC_DAPM_POST_PMU),
+ SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
+ &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
+ SND_SOC_DAPM_POST_PMU),
+
+ /* Audio Interface */
+ SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
+
+ /* Output Side */
+ /* DACs */
+ SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
+
+ /* Output Mux */
+ SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
+ SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
+
+ SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
+ RT298_SET_PIN_SFT, 0, NULL, 0),
+
+ /* Output Mixer */
+ SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
+ rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
+ SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
+ NULL, 0),
+
+ /* Output Pga */
+ SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
+ &spo_enable_control, rt298_spk_event,
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
+ SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
+ &hpol_enable_control),
+ SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
+ &hpor_enable_control),
+
+ /* Output Lines */
+ SND_SOC_DAPM_OUTPUT("SPOL"),
+ SND_SOC_DAPM_OUTPUT("SPOR"),
+ SND_SOC_DAPM_OUTPUT("HPO Pin"),
+ SND_SOC_DAPM_OUTPUT("SPDIF"),
+};
+
+static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
+
+ {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
+ {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
+ {"Front", NULL, "MCLK MODE", is_mclk_mode},
+ {"Surround", NULL, "MCLK MODE", is_mclk_mode},
+
+ {"HP Power", NULL, "LDO1"},
+ {"HP Power", NULL, "LDO2"},
+ {"HP Power", NULL, "LV"},
+ {"HP Power", NULL, "VREF1"},
+ {"HP Power", NULL, "BG_MBIAS"},
+
+ {"MIC1", NULL, "LDO1"},
+ {"MIC1", NULL, "LDO2"},
+ {"MIC1", NULL, "HV"},
+ {"MIC1", NULL, "LV"},
+ {"MIC1", NULL, "VREF"},
+ {"MIC1", NULL, "VREF1"},
+ {"MIC1", NULL, "BG_MBIAS"},
+ {"MIC1", NULL, "MIC1 Input Buffer"},
+
+ {"SPO", NULL, "LDO1"},
+ {"SPO", NULL, "LDO2"},
+ {"SPO", NULL, "HV"},
+ {"SPO", NULL, "LV"},
+ {"SPO", NULL, "VREF"},
+ {"SPO", NULL, "VREF1"},
+ {"SPO", NULL, "BG_MBIAS"},
+
+ {"DMIC1", NULL, "DMIC1 Pin"},
+ {"DMIC2", NULL, "DMIC2 Pin"},
+ {"DMIC1", NULL, "DMIC Receiver"},
+ {"DMIC2", NULL, "DMIC Receiver"},
+
+ {"RECMIX", "Beep Switch", "Beep"},
+ {"RECMIX", "Line1 Switch", "LINE1"},
+ {"RECMIX", "Mic1 Switch", "MIC1"},
+
+ {"ADC 0 Mux", "Dmic", "DMIC1"},
+ {"ADC 0 Mux", "RECMIX", "RECMIX"},
+ {"ADC 0 Mux", "Mic", "MIC1"},
+ {"ADC 1 Mux", "Dmic", "DMIC2"},
+ {"ADC 1 Mux", "RECMIX", "RECMIX"},
+ {"ADC 1 Mux", "Mic", "MIC1"},
+
+ {"ADC 0", NULL, "ADC 0 Mux"},
+ {"ADC 1", NULL, "ADC 1 Mux"},
+
+ {"AIF1TX", NULL, "ADC 0"},
+ {"AIF2TX", NULL, "ADC 1"},
+
+ {"DAC 0", NULL, "AIF1RX"},
+ {"DAC 1", NULL, "AIF2RX"},
+
+ {"Front", "DAC Switch", "DAC 0"},
+ {"Front", "RECMIX Switch", "RECMIX"},
+
+ {"Surround", NULL, "DAC 1"},
+
+ {"SPK Mux", "Front", "Front"},
+ {"SPK Mux", "Surround", "Surround"},
+
+ {"HPO Mux", "Front", "Front"},
+ {"HPO Mux", "Surround", "Surround"},
+
+ {"SPO", "Switch", "SPK Mux"},
+ {"HPO L", "Switch", "HPO Mux"},
+ {"HPO R", "Switch", "HPO Mux"},
+ {"HPO L", NULL, "HP Power"},
+ {"HPO R", NULL, "HP Power"},
+
+ {"SPOL", NULL, "SPO"},
+ {"SPOR", NULL, "SPO"},
+ {"HPO Pin", NULL, "HPO L"},
+ {"HPO Pin", NULL, "HPO R"},
+};
+
+static int rt298_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+ unsigned int val = 0;
+ int d_len_code;
+
+ switch (params_rate(params)) {
+ /* bit 14 0:48K 1:44.1K */
+ case 44100:
+ case 48000:
+ break;
+ default:
+ dev_err(codec->dev, "Unsupported sample rate %d\n",
+ params_rate(params));
+ return -EINVAL;
+ }
+ switch (rt298->sys_clk) {
+ case 12288000:
+ case 24576000:
+ if (params_rate(params) != 48000) {
+ dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
+ params_rate(params), rt298->sys_clk);
+ return -EINVAL;
+ }
+ break;
+ case 11289600:
+ case 22579200:
+ if (params_rate(params) != 44100) {
+ dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
+ params_rate(params), rt298->sys_clk);
+ return -EINVAL;
+ }
+ break;
+ }
+
+ if (params_channels(params) <= 16) {
+ /* bit 3:0 Number of Channel */
+ val |= (params_channels(params) - 1);
+ } else {
+ dev_err(codec->dev, "Unsupported channels %d\n",
+ params_channels(params));
+ return -EINVAL;
+ }
+
+ d_len_code = 0;
+ switch (params_width(params)) {
+ /* bit 6:4 Bits per Sample */
+ case 16:
+ d_len_code = 0;
+ val |= (0x1 << 4);
+ break;
+ case 32:
+ d_len_code = 2;
+ val |= (0x4 << 4);
+ break;
+ case 20:
+ d_len_code = 1;
+ val |= (0x2 << 4);
+ break;
+ case 24:
+ d_len_code = 2;
+ val |= (0x3 << 4);
+ break;
+ case 8:
+ d_len_code = 3;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
+ dev_dbg(codec->dev, "format val = 0x%x\n", val);
+
+ snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
+ snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x407f, val);
+
+ return 0;
+}
+
+static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = dai->codec;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL1, 0x800, 0x800);
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL1, 0x800, 0x0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL1, 0x300, 0x0);
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL1, 0x300, 0x1 << 8);
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL1, 0x300, 0x2 << 8);
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL1, 0x300, 0x3 << 8);
+ break;
+ default:
+ return -EINVAL;
+ }
+ /* bit 15 Stream Type 0:PCM 1:Non-PCM */
+ snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x8000, 0);
+ snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x8000, 0);
+
+ return 0;
+}
+
+static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+
+ dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
+
+ if (RT298_SCLK_S_MCLK == clk_id) {
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL2, 0x0100, 0x0);
+ snd_soc_update_bits(codec,
+ RT298_PLL_CTRL1, 0x20, 0x20);
+ } else {
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL2, 0x0100, 0x0100);
+ snd_soc_update_bits(codec,
+ RT298_PLL_CTRL, 0x4, 0x4);
+ snd_soc_update_bits(codec,
+ RT298_PLL_CTRL1, 0x20, 0x0);
+ }
+
+ switch (freq) {
+ case 19200000:
+ if (RT298_SCLK_S_MCLK == clk_id) {
+ dev_err(codec->dev, "Should not use MCLK\n");
+ return -EINVAL;
+ }
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL2, 0x40, 0x40);
+ break;
+ case 24000000:
+ if (RT298_SCLK_S_MCLK == clk_id) {
+ dev_err(codec->dev, "Should not use MCLK\n");
+ return -EINVAL;
+ }
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL2, 0x40, 0x0);
+ break;
+ case 12288000:
+ case 11289600:
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL2, 0x8, 0x0);
+ snd_soc_update_bits(codec,
+ RT298_CLK_DIV, 0xfc1e, 0x0004);
+ break;
+ case 24576000:
+ case 22579200:
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL2, 0x8, 0x8);
+ snd_soc_update_bits(codec,
+ RT298_CLK_DIV, 0xfc1e, 0x5406);
+ break;
+ default:
+ dev_err(codec->dev, "Unsupported system clock\n");
+ return -EINVAL;
+ }
+
+ rt298->sys_clk = freq;
+ rt298->clk_id = clk_id;
+
+ return 0;
+}
+
+static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+ struct snd_soc_codec *codec = dai->codec;
+
+ dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
+ if (50 == ratio)
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL1, 0x1000, 0x1000);
+ else
+ snd_soc_update_bits(codec,
+ RT298_I2S_CTRL1, 0x1000, 0x0);
+
+
+ return 0;
+}
+
+static int rt298_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ switch (level) {
+ case SND_SOC_BIAS_PREPARE:
+ if (SND_SOC_BIAS_STANDBY ==
+ snd_soc_codec_get_bias_level(codec)) {
+ snd_soc_write(codec,
+ RT298_SET_AUDIO_POWER, AC_PWRST_D0);
+ snd_soc_update_bits(codec, 0x0d, 0x200, 0x200);
+ snd_soc_update_bits(codec, 0x52, 0x80, 0x0);
+ mdelay(20);
+ snd_soc_update_bits(codec, 0x0d, 0x200, 0x0);
+ snd_soc_update_bits(codec, 0x52, 0x80, 0x80);
+ }
+ break;
+
+ case SND_SOC_BIAS_ON:
+ mdelay(30);
+ snd_soc_update_bits(codec,
+ RT298_CBJ_CTRL1, 0x0400, 0x0400);
+
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ snd_soc_write(codec,
+ RT298_SET_AUDIO_POWER, AC_PWRST_D3);
+ snd_soc_update_bits(codec,
+ RT298_CBJ_CTRL1, 0x0400, 0x0000);
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static irqreturn_t rt298_irq(int irq, void *data)
+{
+ struct rt298_priv *rt298 = data;
+ bool hp = false;
+ bool mic = false;
+ int ret, status = 0;
+
+ ret = rt298_jack_detect(rt298, &hp, &mic);
+
+ /* Clear IRQ */
+ regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
+
+ if (ret == 0) {
+ if (hp == true)
+ status |= SND_JACK_HEADPHONE;
+
+ if (mic == true)
+ status |= SND_JACK_MICROPHONE;
+
+ snd_soc_jack_report(rt298->jack, status,
+ SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+
+ pm_wakeup_event(&rt298->i2c->dev, 300);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int rt298_probe(struct snd_soc_codec *codec)
+{
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+
+ rt298->codec = codec;
+
+ if (rt298->i2c->irq) {
+ regmap_update_bits(rt298->regmap,
+ RT298_IRQ_CTRL, 0x2, 0x2);
+
+ INIT_DELAYED_WORK(&rt298->jack_detect_work,
+ rt298_jack_detect_work);
+ schedule_delayed_work(&rt298->jack_detect_work,
+ msecs_to_jiffies(1250));
+ }
+
+ return 0;
+}
+
+static int rt298_remove(struct snd_soc_codec *codec)
+{
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+
+ cancel_delayed_work_sync(&rt298->jack_detect_work);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int rt298_suspend(struct snd_soc_codec *codec)
+{
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+
+ rt298->is_hp_in = -1;
+ regcache_cache_only(rt298->regmap, true);
+ regcache_mark_dirty(rt298->regmap);
+
+ return 0;
+}
+
+static int rt298_resume(struct snd_soc_codec *codec)
+{
+ struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+
+ regcache_cache_only(rt298->regmap, false);
+ rt298_index_sync(codec);
+ regcache_sync(rt298->regmap);
+
+ return 0;
+}
+#else
+#define rt298_suspend NULL
+#define rt298_resume NULL
+#endif
+
+#define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+#define RT298_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 rt298_aif_dai_ops = {
+ .hw_params = rt298_hw_params,
+ .set_fmt = rt298_set_dai_fmt,
+ .set_sysclk = rt298_set_dai_sysclk,
+ .set_bclk_ratio = rt298_set_bclk_ratio,
+};
+
+static struct snd_soc_dai_driver rt298_dai[] = {
+ {
+ .name = "rt298-aif1",
+ .id = RT298_AIF1,
+ .playback = {
+ .stream_name = "AIF1 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT298_STEREO_RATES,
+ .formats = RT298_FORMATS,
+ },
+ .capture = {
+ .stream_name = "AIF1 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT298_STEREO_RATES,
+ .formats = RT298_FORMATS,
+ },
+ .ops = &rt298_aif_dai_ops,
+ .symmetric_rates = 1,
+ },
+ {
+ .name = "rt298-aif2",
+ .id = RT298_AIF2,
+ .playback = {
+ .stream_name = "AIF2 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT298_STEREO_RATES,
+ .formats = RT298_FORMATS,
+ },
+ .capture = {
+ .stream_name = "AIF2 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT298_STEREO_RATES,
+ .formats = RT298_FORMATS,
+ },
+ .ops = &rt298_aif_dai_ops,
+ .symmetric_rates = 1,
+ },
+
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_rt298 = {
+ .probe = rt298_probe,
+ .remove = rt298_remove,
+ .suspend = rt298_suspend,
+ .resume = rt298_resume,
+ .set_bias_level = rt298_set_bias_level,
+ .idle_bias_off = true,
+ .controls = rt298_snd_controls,
+ .num_controls = ARRAY_SIZE(rt298_snd_controls),
+ .dapm_widgets = rt298_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rt298_dapm_widgets),
+ .dapm_routes = rt298_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(rt298_dapm_routes),
+};
+
+static const struct regmap_config rt298_regmap = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .max_register = 0x02370100,
+ .volatile_reg = rt298_volatile_register,
+ .readable_reg = rt298_readable_register,
+ .reg_write = rl6347a_hw_write,
+ .reg_read = rl6347a_hw_read,
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = rt298_reg,
+ .num_reg_defaults = ARRAY_SIZE(rt298_reg),
+};
+
+static const struct i2c_device_id rt298_i2c_id[] = {
+ {"rt298", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
+
+static const struct acpi_device_id rt298_acpi_match[] = {
+ { "INT343A", 0 },
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
+
+static int rt298_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
+ struct rt298_priv *rt298;
+ struct device *dev = &i2c->dev;
+ const struct acpi_device_id *acpiid;
+ int i, ret;
+
+ pr_info("%s\n", __func__);
+
+ rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
+ GFP_KERNEL);
+ if (NULL == rt298)
+ return -ENOMEM;
+
+ rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
+ if (IS_ERR(rt298->regmap)) {
+ ret = PTR_ERR(rt298->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ regmap_read(rt298->regmap,
+ RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
+ if (ret != RT298_VENDOR_ID) {
+ dev_err(&i2c->dev,
+ "Device with ID register %#x is not rt298\n", ret);
+ return -ENODEV;
+ }
+
+ rt298->index_cache = rt298_index_def;
+ rt298->index_cache_size = INDEX_CACHE_SIZE;
+ rt298->i2c = i2c;
+ i2c_set_clientdata(i2c, rt298);
+
+ /* restore codec default */
+ for (i = 0; i < INDEX_CACHE_SIZE; i++)
+ regmap_write(rt298->regmap, rt298->index_cache[i].reg,
+ rt298->index_cache[i].def);
+ for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
+ regmap_write(rt298->regmap, rt298_reg[i].reg,
+ rt298_reg[i].def);
+
+ if (pdata)
+ rt298->pdata = *pdata;
+
+ /* enable jack combo mode on supported devices */
+ acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
+ if (acpiid) {
+ rt298->pdata = *(struct rt298_platform_data *)
+ acpiid->driver_data;
+ }
+
+ /* VREF Charging */
+ regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
+ regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
+ /* Vref2 */
+ regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
+
+ regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
+
+ for (i = 0; i < RT298_POWER_REG_LEN; i++)
+ regmap_write(rt298->regmap,
+ RT298_SET_POWER(rt298_support_power_controls[i]),
+ AC_PWRST_D1);
+
+ if (!rt298->pdata.cbj_en) {
+ regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
+ regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
+ regmap_update_bits(rt298->regmap,
+ RT298_CBJ_CTRL1, 0xf000, 0xb000);
+ } else {
+ regmap_update_bits(rt298->regmap,
+ RT298_CBJ_CTRL1, 0xf000, 0x5000);
+ }
+
+ mdelay(10);
+
+ if (!rt298->pdata.gpio2_en)
+ regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x4000);
+ else
+ regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
+
+ mdelay(10);
+
+ regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
+ regmap_update_bits(rt298->regmap,
+ RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
+ regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
+ rt298->is_hp_in = -1;
+
+ if (rt298->i2c->irq) {
+ ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
+ if (ret != 0) {
+ dev_err(&i2c->dev,
+ "Failed to reguest IRQ: %d\n", ret);
+ return ret;
+ }
+ }
+
+ ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
+ rt298_dai, ARRAY_SIZE(rt298_dai));
+
+ return ret;
+}
+
+static int rt298_i2c_remove(struct i2c_client *i2c)
+{
+ struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
+
+ if (i2c->irq)
+ free_irq(i2c->irq, rt298);
+ snd_soc_unregister_codec(&i2c->dev);
+
+ return 0;
+}
+
+
+static struct i2c_driver rt298_i2c_driver = {
+ .driver = {
+ .name = "rt298",
+ .owner = THIS_MODULE,
+ .acpi_match_table = ACPI_PTR(rt298_acpi_match),
+ },
+ .probe = rt298_i2c_probe,
+ .remove = rt298_i2c_remove,
+ .id_table = rt298_i2c_id,
+};
+
+module_i2c_driver(rt298_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC RT298 driver");
+MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
+MODULE_LICENSE("GPL");
new file mode 100644
@@ -0,0 +1,206 @@
+/*
+ * rt298.h -- RT298 ALSA SoC audio driver
+ *
+ * Copyright 2011 Realtek Microelectronics
+ * Author: Johnny Hsu <johnnyhsu@realtek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __RT298_H__
+#define __RT298_H__
+
+#define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D)
+
+#define RT298_AUDIO_FUNCTION_GROUP 0x01
+#define RT298_DAC_OUT1 0x02
+#define RT298_DAC_OUT2 0x03
+#define RT298_DIG_CVT 0x06
+#define RT298_ADC_IN1 0x09
+#define RT298_ADC_IN2 0x08
+#define RT298_MIXER_IN 0x0b
+#define RT298_MIXER_OUT1 0x0c
+#define RT298_MIXER_OUT2 0x0d
+#define RT298_DMIC1 0x12
+#define RT298_DMIC2 0x13
+#define RT298_SPK_OUT 0x14
+#define RT298_MIC1 0x18
+#define RT298_LINE1 0x1a
+#define RT298_BEEP 0x1d
+#define RT298_SPDIF 0x1e
+#define RT298_VENDOR_REGISTERS 0x20
+#define RT298_HP_OUT 0x21
+#define RT298_MIXER_IN1 0x22
+#define RT298_MIXER_IN2 0x23
+
+#define RT298_SET_PIN_SFT 6
+#define RT298_SET_PIN_ENABLE 0x40
+#define RT298_SET_PIN_DISABLE 0
+#define RT298_SET_EAPD_HIGH 0x2
+#define RT298_SET_EAPD_LOW 0
+
+#define RT298_MUTE_SFT 7
+
+/* Verb commands */
+#define RT298_GET_PARAM(NID, PARAM) VERB_CMD(AC_VERB_PARAMETERS, NID, PARAM)
+#define RT298_SET_POWER(NID) VERB_CMD(AC_VERB_SET_POWER_STATE, NID, 0)
+#define RT298_SET_AUDIO_POWER RT298_SET_POWER(RT298_AUDIO_FUNCTION_GROUP)
+#define RT298_SET_HPO_POWER RT298_SET_POWER(RT298_HP_OUT)
+#define RT298_SET_SPK_POWER RT298_SET_POWER(RT298_SPK_OUT)
+#define RT298_SET_DMIC1_POWER RT298_SET_POWER(RT298_DMIC1)
+#define RT298_SPK_MUX\
+ VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_SPK_OUT, 0)
+#define RT298_HPO_MUX\
+ VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_HP_OUT, 0)
+#define RT298_ADC0_MUX\
+ VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_MIXER_IN1, 0)
+#define RT298_ADC1_MUX\
+ VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT298_MIXER_IN2, 0)
+#define RT298_SET_MIC1\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_MIC1, 0)
+#define RT298_SET_PIN_HPO\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_HP_OUT, 0)
+#define RT298_SET_PIN_SPK\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_SPK_OUT, 0)
+#define RT298_SET_PIN_DMIC1\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_DMIC1, 0)
+#define RT298_SET_PIN_SPDIF\
+ VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT298_SPDIF, 0)
+#define RT298_SET_PIN_DIG_CVT\
+ VERB_CMD(AC_VERB_SET_DIGI_CONVERT_1, RT298_DIG_CVT, 0)
+#define RT298_SPK_EAPD\
+ VERB_CMD(AC_VERB_SET_EAPD_BTLENABLE, RT298_SPK_OUT, 0)
+#define RT298_SET_AMP_GAIN_HPO\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_HP_OUT, 0)
+#define RT298_SET_AMP_GAIN_ADC_IN1\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN1, 0)
+#define RT298_SET_AMP_GAIN_ADC_IN2\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN2, 0)
+#define RT298_GET_HP_SENSE\
+ VERB_CMD(AC_VERB_GET_PIN_SENSE, RT298_HP_OUT, 0)
+#define RT298_GET_MIC1_SENSE\
+ VERB_CMD(AC_VERB_GET_PIN_SENSE, RT298_MIC1, 0)
+#define RT298_SET_DMIC2_DEFAULT\
+ VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT298_DMIC2, 0)
+#define RT298_SET_SPDIF_DEFAULT\
+ VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT298_SPDIF, 0)
+#define RT298_DACL_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_DAC_OUT1, 0xa000)
+#define RT298_DACR_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_DAC_OUT1, 0x9000)
+#define RT298_ADCL_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN1, 0x6000)
+#define RT298_ADCR_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_ADC_IN1, 0x5000)
+#define RT298_MIC_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIC1, 0x7000)
+#define RT298_SPOL_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_SPK_OUT, 0xa000)
+#define RT298_SPOR_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_SPK_OUT, 0x9000)
+#define RT298_HPOL_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_HP_OUT, 0xa000)
+#define RT298_HPOR_GAIN\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_HP_OUT, 0x9000)
+#define RT298_F_DAC_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_OUT1, 0x7000)
+#define RT298_F_RECMIX_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_OUT1, 0x7100)
+#define RT298_REC_MIC_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7000)
+#define RT298_REC_I2S_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7100)
+#define RT298_REC_LINE_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7200)
+#define RT298_REC_BEEP_SWITCH\
+ VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT298_MIXER_IN, 0x7300)
+#define RT298_DAC_FORMAT\
+ VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT298_DAC_OUT1, 0)
+#define RT298_ADC_FORMAT\
+ VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT298_ADC_IN1, 0)
+#define RT298_COEF_INDEX\
+ VERB_CMD(AC_VERB_SET_COEF_INDEX, RT298_VENDOR_REGISTERS, 0)
+#define RT298_PROC_COEF\
+ VERB_CMD(AC_VERB_SET_PROC_COEF, RT298_VENDOR_REGISTERS, 0)
+
+/* Index registers */
+#define RT298_A_BIAS_CTRL1 0x01
+#define RT298_A_BIAS_CTRL2 0x02
+#define RT298_POWER_CTRL1 0x03
+#define RT298_A_BIAS_CTRL3 0x04
+#define RT298_POWER_CTRL2 0x08
+#define RT298_I2S_CTRL1 0x09
+#define RT298_I2S_CTRL2 0x0a
+#define RT298_CLK_DIV 0x0b
+#define RT298_DC_GAIN 0x0d
+#define RT298_POWER_CTRL3 0x0f
+#define RT298_MIC1_DET_CTRL 0x19
+#define RT298_MISC_CTRL1 0x20
+#define RT298_IRQ_CTRL 0x33
+#define RT298_WIND_FILTER_CTRL 0x46
+#define RT298_PLL_CTRL1 0x49
+#define RT298_CBJ_CTRL1 0x4f
+#define RT298_CBJ_CTRL2 0x50
+#define RT298_PLL_CTRL 0x63
+#define RT298_DEPOP_CTRL1 0x66
+#define RT298_DEPOP_CTRL2 0x67
+#define RT298_DEPOP_CTRL3 0x68
+#define RT298_DEPOP_CTRL4 0x69
+
+/* SPDIF (0x06) */
+#define RT298_SPDIF_SEL_SFT 0
+#define RT298_SPDIF_SEL_PCM0 0
+#define RT298_SPDIF_SEL_PCM1 1
+#define RT298_SPDIF_SEL_SPOUT 2
+#define RT298_SPDIF_SEL_PP 3
+
+/* RECMIX (0x0b) */
+#define RT298_M_REC_BEEP_SFT 0
+#define RT298_M_REC_LINE1_SFT 1
+#define RT298_M_REC_MIC1_SFT 2
+#define RT298_M_REC_I2S_SFT 3
+
+/* Front (0x0c) */
+#define RT298_M_FRONT_DAC_SFT 0
+#define RT298_M_FRONT_REC_SFT 1
+
+/* SPK-OUT (0x14) */
+#define RT298_M_SPK_MUX_SFT 14
+#define RT298_SPK_SEL_MASK 0x1
+#define RT298_SPK_SEL_SFT 0
+#define RT298_SPK_SEL_F 0
+#define RT298_SPK_SEL_S 1
+
+/* HP-OUT (0x21) */
+#define RT298_M_HP_MUX_SFT 14
+#define RT298_HP_SEL_MASK 0x1
+#define RT298_HP_SEL_SFT 0
+#define RT298_HP_SEL_F 0
+#define RT298_HP_SEL_S 1
+
+/* ADC (0x22) (0x23) */
+#define RT298_ADC_SEL_MASK 0x7
+#define RT298_ADC_SEL_SFT 0
+#define RT298_ADC_SEL_SURR 0
+#define RT298_ADC_SEL_FRONT 1
+#define RT298_ADC_SEL_DMIC 2
+#define RT298_ADC_SEL_BEEP 4
+#define RT298_ADC_SEL_LINE1 5
+#define RT298_ADC_SEL_I2S 6
+#define RT298_ADC_SEL_MIC1 7
+
+#define RT298_SCLK_S_MCLK 0
+#define RT298_SCLK_S_PLL 1
+
+enum {
+ RT298_AIF1,
+ RT298_AIF2,
+ RT298_AIFS,
+};
+
+int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack);
+
+#endif /* __RT298_H__ */
+
It is the initial version of ALC298 codec driver. Signed-off-by: Bard Liao <bardliao@realtek.com> --- include/sound/rt298.h | 20 + sound/soc/codecs/Kconfig | 7 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/rt298.c | 1274 +++++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/rt298.h | 206 ++++++++ 5 files changed, 1509 insertions(+) create mode 100644 include/sound/rt298.h create mode 100644 sound/soc/codecs/rt298.c create mode 100644 sound/soc/codecs/rt298.h