ASoC: rt274: add rt274 codec driver
authorBard Liao <bardliao@realtek.com>
Fri, 14 Jul 2017 06:25:52 +0000 (14:25 +0800)
committerMark Brown <broonie@kernel.org>
Tue, 18 Jul 2017 13:46:20 +0000 (14:46 +0100)
RT274 is a HD-A/SOC dual mode codec. This is the initial codec driver
of SOC mode.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Documentation/devicetree/bindings/sound/rt274.txt [new file with mode: 0644]
sound/soc/codecs/Kconfig
sound/soc/codecs/Makefile
sound/soc/codecs/rt274.c [new file with mode: 0644]
sound/soc/codecs/rt274.h [new file with mode: 0644]

diff --git a/Documentation/devicetree/bindings/sound/rt274.txt b/Documentation/devicetree/bindings/sound/rt274.txt
new file mode 100644 (file)
index 0000000..e9a6178
--- /dev/null
@@ -0,0 +1,33 @@
+RT274 audio CODEC
+
+This device supports I2C only.
+
+Required properties:
+
+- compatible : "realtek,rt274".
+
+- reg : The I2C address of the device.
+
+Optional properties:
+
+- interrupts : The CODEC's interrupt output.
+
+
+Pins on the device (for linking into audio routes) for RT274:
+
+  * DMIC1 Pin
+  * DMIC2 Pin
+  * MIC
+  * LINE1
+  * LINE2
+  * HPO Pin
+  * SPDIF
+  * LINE3
+
+Example:
+
+codec: rt274@1c {
+       compatible = "realtek,rt274";
+       reg = <0x1c>;
+       interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+};
index 6c78b0b49b8145c24740d93c4174c059d91ddae9..024ddc9938ed5c16c93bd745a86d8fe53c439a7f 100644 (file)
@@ -114,6 +114,7 @@ config SND_SOC_ALL_CODECS
        select SND_SOC_PCM5102A
        select SND_SOC_PCM512x_I2C if I2C
        select SND_SOC_PCM512x_SPI if SPI_MASTER
+       select SND_SOC_RT274 if I2C
        select SND_SOC_RT286 if I2C
        select SND_SOC_RT298 if I2C
        select SND_SOC_RT5514 if I2C
@@ -716,11 +717,17 @@ config SND_SOC_RL6231
 
 config SND_SOC_RL6347A
        tristate
+       default y if SND_SOC_RT274=y
        default y if SND_SOC_RT286=y
        default y if SND_SOC_RT298=y
+       default m if SND_SOC_RT274=m
        default m if SND_SOC_RT286=m
        default m if SND_SOC_RT298=m
 
+config SND_SOC_RT274
+       tristate
+       depends on I2C
+
 config SND_SOC_RT286
        tristate
        depends on I2C
index 1755a54e3dc9379668de08326ed14b724fe4e4da..a8a4b0797f4646672192748a3ea7fef2b5d73223 100644 (file)
@@ -113,6 +113,7 @@ snd-soc-pcm512x-i2c-objs := pcm512x-i2c.o
 snd-soc-pcm512x-spi-objs := pcm512x-spi.o
 snd-soc-rl6231-objs := rl6231.o
 snd-soc-rl6347a-objs := rl6347a.o
+snd-soc-rt274-objs := rt274.o
 snd-soc-rt286-objs := rt286.o
 snd-soc-rt298-objs := rt298.o
 snd-soc-rt5514-objs := rt5514.o
@@ -349,6 +350,7 @@ obj-$(CONFIG_SND_SOC_PCM512x_I2C)   += snd-soc-pcm512x-i2c.o
 obj-$(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-$(CONFIG_SND_SOC_RT274)    += snd-soc-rt274.o
 obj-$(CONFIG_SND_SOC_RT286)    += snd-soc-rt286.o
 obj-$(CONFIG_SND_SOC_RT298)    += snd-soc-rt298.o
 obj-$(CONFIG_SND_SOC_RT5514)   += snd-soc-rt5514.o
diff --git a/sound/soc/codecs/rt274.c b/sound/soc/codecs/rt274.c
new file mode 100644 (file)
index 0000000..81e29ba
--- /dev/null
@@ -0,0 +1,1228 @@
+/*
+ * rt274.c  --  RT274 ALSA SoC audio codec driver
+ *
+ * Copyright 2017 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/dmi.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 "rl6347a.h"
+#include "rt274.h"
+
+#define RT274_VENDOR_ID 0x10ec0274
+
+struct rt274_priv {
+       struct reg_default *index_cache;
+       int index_cache_size;
+       struct regmap *regmap;
+       struct snd_soc_codec *codec;
+       struct i2c_client *i2c;
+       struct snd_soc_jack *jack;
+       struct delayed_work jack_detect_work;
+       int sys_clk;
+       int clk_id;
+       int fs;
+       bool master;
+};
+
+static const struct reg_default rt274_index_def[] = {
+       { 0x00, 0x1004 },
+       { 0x01, 0xaaaa },
+       { 0x02, 0x88aa },
+       { 0x03, 0x0002 },
+       { 0x04, 0xaa09 },
+       { 0x05, 0x0700 },
+       { 0x06, 0x6110 },
+       { 0x07, 0x0200 },
+       { 0x08, 0xa807 },
+       { 0x09, 0x0021 },
+       { 0x0a, 0x7770 },
+       { 0x0b, 0x7770 },
+       { 0x0c, 0x002b },
+       { 0x0d, 0x2420 },
+       { 0x0e, 0x65c0 },
+       { 0x0f, 0x7770 },
+       { 0x10, 0x0420 },
+       { 0x11, 0x7418 },
+       { 0x12, 0x6bd0 },
+       { 0x13, 0x645f },
+       { 0x14, 0x0400 },
+       { 0x15, 0x8ccc },
+       { 0x16, 0x4c50 },
+       { 0x17, 0xff00 },
+       { 0x18, 0x0003 },
+       { 0x19, 0x2c11 },
+       { 0x1a, 0x830b },
+       { 0x1b, 0x4e4b },
+       { 0x1c, 0x0000 },
+       { 0x1d, 0x0000 },
+       { 0x1e, 0x0000 },
+       { 0x1f, 0x0000 },
+       { 0x20, 0x51ff },
+       { 0x21, 0x8000 },
+       { 0x22, 0x8f00 },
+       { 0x23, 0x88f4 },
+       { 0x24, 0x0000 },
+       { 0x25, 0x0000 },
+       { 0x26, 0x0000 },
+       { 0x27, 0x0000 },
+       { 0x28, 0x0000 },
+       { 0x29, 0x3000 },
+       { 0x2a, 0x0000 },
+       { 0x2b, 0x0000 },
+       { 0x2c, 0x0f00 },
+       { 0x2d, 0x100f },
+       { 0x2e, 0x2902 },
+       { 0x2f, 0xe280 },
+       { 0x30, 0x1000 },
+       { 0x31, 0x8400 },
+       { 0x32, 0x5aaa },
+       { 0x33, 0x8420 },
+       { 0x34, 0xa20c },
+       { 0x35, 0x096a },
+       { 0x36, 0x5757 },
+       { 0x37, 0xfe05 },
+       { 0x38, 0x4901 },
+       { 0x39, 0x110a },
+       { 0x3a, 0x0010 },
+       { 0x3b, 0x60d9 },
+       { 0x3c, 0xf214 },
+       { 0x3d, 0xc2ba },
+       { 0x3e, 0xa928 },
+       { 0x3f, 0x0000 },
+       { 0x40, 0x9800 },
+       { 0x41, 0x0000 },
+       { 0x42, 0x2000 },
+       { 0x43, 0x3d90 },
+       { 0x44, 0x4900 },
+       { 0x45, 0x5289 },
+       { 0x46, 0x0004 },
+       { 0x47, 0xa47a },
+       { 0x48, 0xd049 },
+       { 0x49, 0x0049 },
+       { 0x4a, 0xa83b },
+       { 0x4b, 0x0777 },
+       { 0x4c, 0x065c },
+       { 0x4d, 0x7fff },
+       { 0x4e, 0x7fff },
+       { 0x4f, 0x0000 },
+       { 0x50, 0x0000 },
+       { 0x51, 0x0000 },
+       { 0x52, 0xbf5f },
+       { 0x53, 0x3320 },
+       { 0x54, 0xcc00 },
+       { 0x55, 0x0000 },
+       { 0x56, 0x3f00 },
+       { 0x57, 0x0000 },
+       { 0x58, 0x0000 },
+       { 0x59, 0x0000 },
+       { 0x5a, 0x1300 },
+       { 0x5b, 0x005f },
+       { 0x5c, 0x0000 },
+       { 0x5d, 0x1001 },
+       { 0x5e, 0x1000 },
+       { 0x5f, 0x0000 },
+       { 0x60, 0x5554 },
+       { 0x61, 0xffc0 },
+       { 0x62, 0xa000 },
+       { 0x63, 0xd010 },
+       { 0x64, 0x0000 },
+       { 0x65, 0x3fb1 },
+       { 0x66, 0x1881 },
+       { 0x67, 0xc810 },
+       { 0x68, 0x2000 },
+       { 0x69, 0xfff0 },
+       { 0x6a, 0x0300 },
+       { 0x6b, 0x5060 },
+       { 0x6c, 0x0000 },
+       { 0x6d, 0x0000 },
+       { 0x6e, 0x0c25 },
+       { 0x6f, 0x0c0b },
+       { 0x70, 0x8000 },
+       { 0x71, 0x4008 },
+       { 0x72, 0x0000 },
+       { 0x73, 0x0800 },
+       { 0x74, 0xa28f },
+       { 0x75, 0xa050 },
+       { 0x76, 0x7fe8 },
+       { 0x77, 0xdb8c },
+       { 0x78, 0x0000 },
+       { 0x79, 0x0000 },
+       { 0x7a, 0x2a96 },
+       { 0x7b, 0x800f },
+       { 0x7c, 0x0200 },
+       { 0x7d, 0x1600 },
+       { 0x7e, 0x0000 },
+       { 0x7f, 0x0000 },
+};
+#define INDEX_CACHE_SIZE ARRAY_SIZE(rt274_index_def)
+
+static const struct reg_default rt274_reg[] = {
+       { 0x00170500, 0x00000400 },
+       { 0x00220000, 0x00000031 },
+       { 0x00239000, 0x00000057 },
+       { 0x0023a000, 0x00000057 },
+       { 0x00270500, 0x00000400 },
+       { 0x00370500, 0x00000400 },
+       { 0x00870500, 0x00000400 },
+       { 0x00920000, 0x00000031 },
+       { 0x00935000, 0x00000097 },
+       { 0x00936000, 0x00000097 },
+       { 0x00970500, 0x00000400 },
+       { 0x00b37000, 0x00000400 },
+       { 0x00b37200, 0x00000400 },
+       { 0x00b37300, 0x00000400 },
+       { 0x00c37000, 0x00000400 },
+       { 0x00c37100, 0x00000400 },
+       { 0x01270500, 0x00000400 },
+       { 0x01370500, 0x00000400 },
+       { 0x01371f00, 0x411111f0 },
+       { 0x01937000, 0x00000000 },
+       { 0x01970500, 0x00000400 },
+       { 0x02050000, 0x0000001b },
+       { 0x02139000, 0x00000080 },
+       { 0x0213a000, 0x00000080 },
+       { 0x02170100, 0x00000001 },
+       { 0x02170500, 0x00000400 },
+       { 0x02170700, 0x00000000 },
+       { 0x02270100, 0x00000000 },
+       { 0x02370100, 0x00000000 },
+       { 0x01970700, 0x00000020 },
+       { 0x00830000, 0x00000097 },
+       { 0x00930000, 0x00000097 },
+       { 0x01270700, 0x00000000 },
+};
+
+static bool rt274_volatile_register(struct device *dev, unsigned int reg)
+{
+       switch (reg) {
+       case 0 ... 0xff:
+       case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
+       case RT274_GET_HP_SENSE:
+       case RT274_GET_MIC_SENSE:
+       case RT274_PROC_COEF:
+       case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0):
+       case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0):
+       case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0):
+       case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0):
+       case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0):
+       case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0):
+       case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0):
+               return true;
+       default:
+               return false;
+       }
+
+
+}
+
+static bool rt274_readable_register(struct device *dev, unsigned int reg)
+{
+       switch (reg) {
+       case 0 ... 0xff:
+       case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
+       case RT274_GET_HP_SENSE:
+       case RT274_GET_MIC_SENSE:
+       case RT274_SET_AUDIO_POWER:
+       case RT274_SET_HPO_POWER:
+       case RT274_SET_DMIC1_POWER:
+       case RT274_LOUT_MUX:
+       case RT274_HPO_MUX:
+       case RT274_ADC0_MUX:
+       case RT274_ADC1_MUX:
+       case RT274_SET_MIC:
+       case RT274_SET_PIN_HPO:
+       case RT274_SET_PIN_LOUT3:
+       case RT274_SET_PIN_DMIC1:
+       case RT274_SET_AMP_GAIN_HPO:
+       case RT274_SET_DMIC2_DEFAULT:
+       case RT274_DAC0L_GAIN:
+       case RT274_DAC0R_GAIN:
+       case RT274_DAC1L_GAIN:
+       case RT274_DAC1R_GAIN:
+       case RT274_ADCL_GAIN:
+       case RT274_ADCR_GAIN:
+       case RT274_MIC_GAIN:
+       case RT274_HPOL_GAIN:
+       case RT274_HPOR_GAIN:
+       case RT274_LOUTL_GAIN:
+       case RT274_LOUTR_GAIN:
+       case RT274_DAC_FORMAT:
+       case RT274_ADC_FORMAT:
+       case RT274_COEF_INDEX:
+       case RT274_PROC_COEF:
+       case RT274_SET_AMP_GAIN_ADC_IN1:
+       case RT274_SET_AMP_GAIN_ADC_IN2:
+       case RT274_SET_POWER(RT274_DAC_OUT0):
+       case RT274_SET_POWER(RT274_DAC_OUT1):
+       case RT274_SET_POWER(RT274_ADC_IN1):
+       case RT274_SET_POWER(RT274_ADC_IN2):
+       case RT274_SET_POWER(RT274_DMIC2):
+       case RT274_SET_POWER(RT274_MIC):
+       case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0):
+       case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0):
+       case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0):
+       case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0):
+       case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0):
+       case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0):
+       case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0):
+       case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0):
+       case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0):
+       case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0):
+               return true;
+       default:
+               return false;
+       }
+}
+
+#ifdef CONFIG_PM
+static void rt274_index_sync(struct snd_soc_codec *codec)
+{
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+       int i;
+
+       for (i = 0; i < INDEX_CACHE_SIZE; i++) {
+               snd_soc_write(codec, rt274->index_cache[i].reg,
+                                 rt274->index_cache[i].def);
+       }
+}
+#endif
+
+static int rt274_jack_detect(struct rt274_priv *rt274, bool *hp, bool *mic)
+{
+       unsigned int buf;
+
+       *hp = false;
+       *mic = false;
+
+       if (!rt274->codec)
+               return -EINVAL;
+
+       regmap_read(rt274->regmap, RT274_GET_HP_SENSE, &buf);
+       *hp = buf & 0x80000000;
+       regmap_read(rt274->regmap, RT274_GET_MIC_SENSE, &buf);
+       *mic = buf & 0x80000000;
+
+       pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
+
+       return 0;
+}
+
+static void rt274_jack_detect_work(struct work_struct *work)
+{
+       struct rt274_priv *rt274 =
+               container_of(work, struct rt274_priv, jack_detect_work.work);
+       int status = 0;
+       bool hp = false;
+       bool mic = false;
+
+       if (rt274_jack_detect(rt274, &hp, &mic) < 0)
+               return;
+
+       if (hp == true)
+               status |= SND_JACK_HEADPHONE;
+
+       if (mic == true)
+               status |= SND_JACK_MICROPHONE;
+
+       snd_soc_jack_report(rt274->jack, status,
+               SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+}
+
+static irqreturn_t rt274_irq(int irq, void *data);
+
+static int rt274_mic_detect(struct snd_soc_codec *codec,
+       struct snd_soc_jack *jack,  void *data)
+{
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+       if (jack == NULL) {
+               /* Disable jack detection */
+               regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
+                                       RT274_IRQ_EN, RT274_IRQ_DIS);
+
+               return 0;
+       }
+       rt274->jack = jack;
+
+       regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
+                               RT274_IRQ_EN, RT274_IRQ_EN);
+
+       /* Send an initial report */
+       rt274_irq(0, rt274);
+
+       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 rt274_snd_controls[] = {
+       SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT274_DAC0L_GAIN,
+                        RT274_DAC0R_GAIN, 0, 0x7f, 0, out_vol_tlv),
+       SOC_DOUBLE_R_TLV("DAC1 Playback Volume", RT274_DAC1L_GAIN,
+                        RT274_DAC1R_GAIN, 0, 0x7f, 0, out_vol_tlv),
+       SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT274_ADCL_GAIN,
+                           RT274_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
+       SOC_DOUBLE_R("ADC0 Capture Switch", RT274_ADCL_GAIN,
+                           RT274_ADCR_GAIN, RT274_MUTE_SFT, 1, 1),
+       SOC_SINGLE_TLV("AMIC Volume", RT274_MIC_GAIN,
+                           0, 0x3, 0, mic_vol_tlv),
+};
+
+static const struct snd_kcontrol_new hpol_enable_control =
+       SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOL_GAIN,
+                       RT274_MUTE_SFT, 1, 1);
+
+static const struct snd_kcontrol_new hpor_enable_control =
+       SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOR_GAIN,
+                       RT274_MUTE_SFT, 1, 1);
+
+static const struct snd_kcontrol_new loutl_enable_control =
+       SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTL_GAIN,
+                       RT274_MUTE_SFT, 1, 1);
+
+static const struct snd_kcontrol_new loutr_enable_control =
+       SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTR_GAIN,
+                       RT274_MUTE_SFT, 1, 1);
+
+/* ADC0 source */
+static const char * const rt274_adc_src[] = {
+       "Mic", "Line1", "Line2", "Dmic"
+};
+
+static SOC_ENUM_SINGLE_DECL(
+       rt274_adc0_enum, RT274_ADC0_MUX, RT274_ADC_SEL_SFT,
+       rt274_adc_src);
+
+static const struct snd_kcontrol_new rt274_adc0_mux =
+       SOC_DAPM_ENUM("ADC 0 source", rt274_adc0_enum);
+
+static SOC_ENUM_SINGLE_DECL(
+       rt274_adc1_enum, RT274_ADC1_MUX, RT274_ADC_SEL_SFT,
+       rt274_adc_src);
+
+static const struct snd_kcontrol_new rt274_adc1_mux =
+       SOC_DAPM_ENUM("ADC 1 source", rt274_adc1_enum);
+
+static const char * const rt274_dac_src[] = {
+       "DAC OUT0", "DAC OUT1"
+};
+/* HP-OUT source */
+static SOC_ENUM_SINGLE_DECL(rt274_hpo_enum, RT274_HPO_MUX,
+                               0, rt274_dac_src);
+
+static const struct snd_kcontrol_new rt274_hpo_mux =
+SOC_DAPM_ENUM("HPO source", rt274_hpo_enum);
+
+/* Line out source */
+static SOC_ENUM_SINGLE_DECL(rt274_lout_enum, RT274_LOUT_MUX,
+                               0, rt274_dac_src);
+
+static const struct snd_kcontrol_new rt274_lout_mux =
+SOC_DAPM_ENUM("LOUT source", rt274_lout_enum);
+
+static const struct snd_soc_dapm_widget rt274_dapm_widgets[] = {
+       /* Input Lines */
+       SND_SOC_DAPM_INPUT("DMIC1 Pin"),
+       SND_SOC_DAPM_INPUT("DMIC2 Pin"),
+       SND_SOC_DAPM_INPUT("MIC"),
+       SND_SOC_DAPM_INPUT("LINE1"),
+       SND_SOC_DAPM_INPUT("LINE2"),
+
+       /* DMIC */
+       SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
+       SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+       /* ADCs */
+       SND_SOC_DAPM_ADC("ADC 0", NULL, RT274_SET_STREAMID_ADC1, 4, 0),
+       SND_SOC_DAPM_ADC("ADC 1", NULL, RT274_SET_STREAMID_ADC2, 4, 0),
+
+       /* ADC Mux */
+       SND_SOC_DAPM_MUX("ADC 0 Mux", SND_SOC_NOPM, 0, 0,
+               &rt274_adc0_mux),
+       SND_SOC_DAPM_MUX("ADC 1 Mux", SND_SOC_NOPM, 0, 0,
+               &rt274_adc1_mux),
+
+       /* Audio Interface */
+       SND_SOC_DAPM_AIF_IN("AIF1RXL", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
+       SND_SOC_DAPM_AIF_IN("AIF1RXR", "AIF1 Playback", 1, SND_SOC_NOPM, 0, 0),
+       SND_SOC_DAPM_AIF_OUT("AIF1TXL", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
+       SND_SOC_DAPM_AIF_OUT("AIF1TXR", "AIF1 Capture", 1, SND_SOC_NOPM, 0, 0),
+       SND_SOC_DAPM_AIF_IN("AIF2RXL", "AIF1 Playback", 2, SND_SOC_NOPM, 0, 0),
+       SND_SOC_DAPM_AIF_IN("AIF2RXR", "AIF1 Playback", 3, SND_SOC_NOPM, 0, 0),
+       SND_SOC_DAPM_AIF_OUT("AIF2TXL", "AIF1 Capture", 2, SND_SOC_NOPM, 0, 0),
+       SND_SOC_DAPM_AIF_OUT("AIF2TXR", "AIF1 Capture", 3, SND_SOC_NOPM, 0, 0),
+
+       /* Output Side */
+       /* DACs */
+       SND_SOC_DAPM_DAC("DAC 0", NULL, RT274_SET_STREAMID_DAC0, 4, 0),
+       SND_SOC_DAPM_DAC("DAC 1", NULL, RT274_SET_STREAMID_DAC1, 4, 0),
+
+       /* Output Mux */
+       SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt274_hpo_mux),
+       SND_SOC_DAPM_MUX("LOUT Mux", SND_SOC_NOPM, 0, 0, &rt274_lout_mux),
+
+       SND_SOC_DAPM_SUPPLY("HP Power", RT274_SET_PIN_HPO,
+               RT274_SET_PIN_SFT, 0, NULL, 0),
+       SND_SOC_DAPM_SUPPLY("LOUT Power", RT274_SET_PIN_LOUT3,
+               RT274_SET_PIN_SFT, 0, NULL, 0),
+
+       /* Output Mixer */
+       SND_SOC_DAPM_PGA("DAC OUT0", SND_SOC_NOPM, 0, 0,
+                       NULL, 0),
+       SND_SOC_DAPM_PGA("DAC OUT1", SND_SOC_NOPM, 0, 0,
+                       NULL, 0),
+
+       /* Output Pga */
+       SND_SOC_DAPM_SWITCH("LOUT L", SND_SOC_NOPM, 0, 0,
+               &loutl_enable_control),
+       SND_SOC_DAPM_SWITCH("LOUT R", SND_SOC_NOPM, 0, 0,
+               &loutr_enable_control),
+       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("HPO Pin"),
+       SND_SOC_DAPM_OUTPUT("SPDIF"),
+       SND_SOC_DAPM_OUTPUT("LINE3"),
+};
+
+static const struct snd_soc_dapm_route rt274_dapm_routes[] = {
+       {"DMIC1", NULL, "DMIC1 Pin"},
+       {"DMIC2", NULL, "DMIC2 Pin"},
+
+       {"ADC 0 Mux", "Mic", "MIC"},
+       {"ADC 0 Mux", "Dmic", "DMIC1"},
+       {"ADC 0 Mux", "Line1", "LINE1"},
+       {"ADC 0 Mux", "Line2", "LINE2"},
+       {"ADC 1 Mux", "Mic", "MIC"},
+       {"ADC 1 Mux", "Dmic", "DMIC2"},
+       {"ADC 1 Mux", "Line1", "LINE1"},
+       {"ADC 1 Mux", "Line2", "LINE2"},
+
+       {"ADC 0", NULL, "ADC 0 Mux"},
+       {"ADC 1", NULL, "ADC 1 Mux"},
+
+       {"AIF1TXL", NULL, "ADC 0"},
+       {"AIF1TXR", NULL, "ADC 0"},
+       {"AIF2TXL", NULL, "ADC 1"},
+       {"AIF2TXR", NULL, "ADC 1"},
+
+       {"DAC 0", NULL, "AIF1RXL"},
+       {"DAC 0", NULL, "AIF1RXR"},
+       {"DAC 1", NULL, "AIF2RXL"},
+       {"DAC 1", NULL, "AIF2RXR"},
+
+       {"DAC OUT0", NULL, "DAC 0"},
+
+       {"DAC OUT1", NULL, "DAC 1"},
+
+       {"LOUT Mux", "DAC OUT0", "DAC OUT0"},
+       {"LOUT Mux", "DAC OUT1", "DAC OUT1"},
+
+       {"LOUT L", "Switch", "LOUT Mux"},
+       {"LOUT R", "Switch", "LOUT Mux"},
+       {"LOUT L", NULL, "LOUT Power"},
+       {"LOUT R", NULL, "LOUT Power"},
+
+       {"LINE3", NULL, "LOUT L"},
+       {"LINE3", NULL, "LOUT R"},
+
+       {"HPO Mux", "DAC OUT0", "DAC OUT0"},
+       {"HPO Mux", "DAC OUT1", "DAC OUT1"},
+
+       {"HPO L", "Switch", "HPO Mux"},
+       {"HPO R", "Switch", "HPO Mux"},
+       {"HPO L", NULL, "HP Power"},
+       {"HPO R", NULL, "HP Power"},
+
+       {"HPO Pin", NULL, "HPO L"},
+       {"HPO Pin", NULL, "HPO R"},
+};
+
+static int rt274_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 rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+       unsigned int val = 0;
+       int d_len_code = 0, c_len_code = 0;
+
+       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 (rt274->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), rt274->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), rt274->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;
+       }
+
+       switch (params_width(params)) {
+       /* bit 6:4 Bits per Sample */
+       case 16:
+               d_len_code = 0;
+               c_len_code = 0;
+               val |= (0x1 << 4);
+               break;
+       case 32:
+               d_len_code = 2;
+               c_len_code = 3;
+               val |= (0x4 << 4);
+               break;
+       case 20:
+               d_len_code = 1;
+               c_len_code = 1;
+               val |= (0x2 << 4);
+               break;
+       case 24:
+               d_len_code = 2;
+               c_len_code = 2;
+               val |= (0x3 << 4);
+               break;
+       case 8:
+               d_len_code = 3;
+               c_len_code = 0;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       if (rt274->master)
+               c_len_code = 0x3;
+
+       snd_soc_update_bits(codec,
+               RT274_I2S_CTRL1, 0xc018, d_len_code << 3 | c_len_code << 14);
+       dev_dbg(codec->dev, "format val = 0x%x\n", val);
+
+       snd_soc_update_bits(codec, RT274_DAC_FORMAT, 0x407f, val);
+       snd_soc_update_bits(codec, RT274_ADC_FORMAT, 0x407f, val);
+
+       return 0;
+}
+
+static int rt274_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+       switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+       case SND_SOC_DAIFMT_CBM_CFM:
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_M);
+               rt274->master = true;
+               break;
+       case SND_SOC_DAIFMT_CBS_CFS:
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_S);
+               rt274->master = false;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+       case SND_SOC_DAIFMT_I2S:
+               snd_soc_update_bits(codec, RT274_I2S_CTRL1,
+                                       RT274_I2S_FMT_MASK, RT274_I2S_FMT_I2S);
+               break;
+       case SND_SOC_DAIFMT_LEFT_J:
+               snd_soc_update_bits(codec, RT274_I2S_CTRL1,
+                                       RT274_I2S_FMT_MASK, RT274_I2S_FMT_LJ);
+               break;
+       case SND_SOC_DAIFMT_DSP_A:
+               snd_soc_update_bits(codec, RT274_I2S_CTRL1,
+                                       RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMA);
+               break;
+       case SND_SOC_DAIFMT_DSP_B:
+               snd_soc_update_bits(codec, RT274_I2S_CTRL1,
+                                       RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMB);
+               break;
+       default:
+               return -EINVAL;
+       }
+       /* bit 15 Stream Type 0:PCM 1:Non-PCM */
+       snd_soc_update_bits(codec, RT274_DAC_FORMAT, 0x8000, 0);
+       snd_soc_update_bits(codec, RT274_ADC_FORMAT, 0x8000, 0);
+
+       return 0;
+}
+
+static int rt274_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
+                       unsigned int freq_in, unsigned int freq_out)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+       switch (source) {
+       case RT274_PLL2_S_MCLK:
+               snd_soc_update_bits(codec, RT274_PLL2_CTRL,
+                               RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_MCLK);
+               break;
+       default:
+               dev_warn(codec->dev, "invalid pll source, use BCLK\n");
+       case RT274_PLL2_S_BCLK:
+               snd_soc_update_bits(codec, RT274_PLL2_CTRL,
+                               RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_BCLK);
+               break;
+       }
+
+       if (source == RT274_PLL2_S_BCLK) {
+               snd_soc_update_bits(codec, RT274_MCLK_CTRL,
+                               (0x3 << 12), (0x3 << 12));
+               switch (rt274->fs) {
+               case 50:
+                       snd_soc_write(codec, 0x7a, 0xaab6);
+                       snd_soc_write(codec, 0x7b, 0x0301);
+                       snd_soc_write(codec, 0x7c, 0x04fe);
+                       break;
+               case 64:
+                       snd_soc_write(codec, 0x7a, 0xaa96);
+                       snd_soc_write(codec, 0x7b, 0x8003);
+                       snd_soc_write(codec, 0x7c, 0x081e);
+                       break;
+               case 128:
+                       snd_soc_write(codec, 0x7a, 0xaa96);
+                       snd_soc_write(codec, 0x7b, 0x8003);
+                       snd_soc_write(codec, 0x7c, 0x080e);
+                       break;
+               default:
+                       dev_warn(codec->dev, "invalid freq_in, assume 4.8M\n");
+               case 100:
+                       snd_soc_write(codec, 0x7a, 0xaab6);
+                       snd_soc_write(codec, 0x7b, 0x0301);
+                       snd_soc_write(codec, 0x7c, 0x047e);
+                       break;
+               }
+       }
+
+       return 0;
+}
+
+static int rt274_set_dai_sysclk(struct snd_soc_dai *dai,
+                               int clk_id, unsigned int freq, int dir)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+       unsigned int clk_src, mclk_en;
+
+       dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
+
+       switch (clk_id) {
+       case RT274_SCLK_S_MCLK:
+               mclk_en = RT274_MCLK_MODE_EN;
+               clk_src = RT274_CLK_SRC_MCLK;
+               break;
+       case RT274_SCLK_S_PLL1:
+               mclk_en = RT274_MCLK_MODE_DIS;
+               clk_src = RT274_CLK_SRC_MCLK;
+               break;
+       case RT274_SCLK_S_PLL2:
+               mclk_en = RT274_MCLK_MODE_EN;
+               clk_src = RT274_CLK_SRC_PLL2;
+               break;
+       default:
+               mclk_en = RT274_MCLK_MODE_DIS;
+               clk_src = RT274_CLK_SRC_MCLK;
+               dev_warn(codec->dev, "invalid sysclk source, use PLL1\n");
+               break;
+       }
+       snd_soc_update_bits(codec, RT274_MCLK_CTRL,
+                       RT274_MCLK_MODE_MASK, mclk_en);
+       snd_soc_update_bits(codec, RT274_CLK_CTRL,
+                       RT274_CLK_SRC_MASK, clk_src);
+
+       switch (freq) {
+       case 19200000:
+               if (clk_id == RT274_SCLK_S_MCLK) {
+                       dev_err(codec->dev, "Should not use MCLK\n");
+                       return -EINVAL;
+               }
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL2, 0x40, 0x40);
+               break;
+       case 24000000:
+               if (clk_id == RT274_SCLK_S_MCLK) {
+                       dev_err(codec->dev, "Should not use MCLK\n");
+                       return -EINVAL;
+               }
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL2, 0x40, 0x0);
+               break;
+       case 12288000:
+       case 11289600:
+               snd_soc_update_bits(codec,
+                       RT274_MCLK_CTRL, 0x1fcf, 0x0008);
+               break;
+       case 24576000:
+       case 22579200:
+               snd_soc_update_bits(codec,
+                       RT274_MCLK_CTRL, 0x1fcf, 0x1543);
+               break;
+       default:
+               dev_err(codec->dev, "Unsupported system clock\n");
+               return -EINVAL;
+       }
+
+       rt274->sys_clk = freq;
+       rt274->clk_id = clk_id;
+
+       return 0;
+}
+
+static int rt274_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+       dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
+       rt274->fs = ratio;
+       if ((ratio / 50) == 0)
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL1, 0x1000, 0x1000);
+       else
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL1, 0x1000, 0x0);
+
+
+       return 0;
+}
+
+static int rt274_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
+                       unsigned int rx_mask, int slots, int slot_width)
+
+{
+       struct snd_soc_codec *codec = dai->codec;
+
+       if (rx_mask || tx_mask) {
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_EN);
+       } else {
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_DIS);
+               return 0;
+       }
+
+       switch (slots) {
+       case 4:
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_4CH);
+               break;
+       case 2:
+               snd_soc_update_bits(codec,
+                       RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_2CH);
+               break;
+       default:
+               dev_err(codec->dev,
+                       "Support 2 or 4 slots TDM only\n");
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static int rt274_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,
+                               RT274_SET_AUDIO_POWER, AC_PWRST_D0);
+               }
+               break;
+
+       case SND_SOC_BIAS_STANDBY:
+               snd_soc_write(codec,
+                       RT274_SET_AUDIO_POWER, AC_PWRST_D3);
+               break;
+
+       default:
+               break;
+       }
+
+       return 0;
+}
+
+static irqreturn_t rt274_irq(int irq, void *data)
+{
+       struct rt274_priv *rt274 = data;
+       bool hp = false;
+       bool mic = false;
+       int ret, status = 0;
+
+       /* Clear IRQ */
+       regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
+                               RT274_IRQ_CLR, RT274_IRQ_CLR);
+
+       ret = rt274_jack_detect(rt274, &hp, &mic);
+
+       if (ret == 0) {
+               if (hp == true)
+                       status |= SND_JACK_HEADPHONE;
+
+               if (mic == true)
+                       status |= SND_JACK_MICROPHONE;
+
+               snd_soc_jack_report(rt274->jack, status,
+                       SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+
+               pm_wakeup_event(&rt274->i2c->dev, 300);
+       }
+
+       return IRQ_HANDLED;
+}
+
+static int rt274_probe(struct snd_soc_codec *codec)
+{
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+       rt274->codec = codec;
+
+       if (rt274->i2c->irq) {
+               INIT_DELAYED_WORK(&rt274->jack_detect_work,
+                                       rt274_jack_detect_work);
+               schedule_delayed_work(&rt274->jack_detect_work,
+                                       msecs_to_jiffies(1250));
+       }
+
+       return 0;
+}
+
+static int rt274_remove(struct snd_soc_codec *codec)
+{
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+       cancel_delayed_work_sync(&rt274->jack_detect_work);
+
+       return 0;
+}
+
+#ifdef CONFIG_PM
+static int rt274_suspend(struct snd_soc_codec *codec)
+{
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+       regcache_cache_only(rt274->regmap, true);
+       regcache_mark_dirty(rt274->regmap);
+
+       return 0;
+}
+
+static int rt274_resume(struct snd_soc_codec *codec)
+{
+       struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
+
+       regcache_cache_only(rt274->regmap, false);
+       rt274_index_sync(codec);
+       regcache_sync(rt274->regmap);
+
+       return 0;
+}
+#else
+#define rt274_suspend NULL
+#define rt274_resume NULL
+#endif
+
+#define RT274_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+#define RT274_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 rt274_aif_dai_ops = {
+       .hw_params = rt274_hw_params,
+       .set_fmt = rt274_set_dai_fmt,
+       .set_sysclk = rt274_set_dai_sysclk,
+       .set_pll = rt274_set_dai_pll,
+       .set_bclk_ratio = rt274_set_bclk_ratio,
+       .set_tdm_slot = rt274_set_tdm_slot,
+};
+
+static struct snd_soc_dai_driver rt274_dai[] = {
+       {
+               .name = "rt274-aif1",
+               .id = RT274_AIF1,
+               .playback = {
+                       .stream_name = "AIF1 Playback",
+                       .channels_min = 1,
+                       .channels_max = 2,
+                       .rates = RT274_STEREO_RATES,
+                       .formats = RT274_FORMATS,
+               },
+               .capture = {
+                       .stream_name = "AIF1 Capture",
+                       .channels_min = 1,
+                       .channels_max = 2,
+                       .rates = RT274_STEREO_RATES,
+                       .formats = RT274_FORMATS,
+               },
+               .ops = &rt274_aif_dai_ops,
+               .symmetric_rates = 1,
+       },
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_rt274 = {
+       .probe = rt274_probe,
+       .remove = rt274_remove,
+       .suspend = rt274_suspend,
+       .resume = rt274_resume,
+       .set_bias_level = rt274_set_bias_level,
+       .idle_bias_off = true,
+       .component_driver = {
+               .controls               = rt274_snd_controls,
+               .num_controls           = ARRAY_SIZE(rt274_snd_controls),
+               .dapm_widgets           = rt274_dapm_widgets,
+               .num_dapm_widgets       = ARRAY_SIZE(rt274_dapm_widgets),
+               .dapm_routes            = rt274_dapm_routes,
+               .num_dapm_routes        = ARRAY_SIZE(rt274_dapm_routes),
+       },
+       .set_jack = rt274_mic_detect,
+};
+
+static const struct regmap_config rt274_regmap = {
+       .reg_bits = 32,
+       .val_bits = 32,
+       .max_register = 0x05bfffff,
+       .volatile_reg = rt274_volatile_register,
+       .readable_reg = rt274_readable_register,
+       .reg_write = rl6347a_hw_write,
+       .reg_read = rl6347a_hw_read,
+       .cache_type = REGCACHE_RBTREE,
+       .reg_defaults = rt274_reg,
+       .num_reg_defaults = ARRAY_SIZE(rt274_reg),
+};
+
+#ifdef CONFIG_OF
+static const struct of_device_id rt274_of_match[] = {
+       {.compatible = "realtek,rt274"},
+       {},
+};
+MODULE_DEVICE_TABLE(of, rt274_of_match);
+#endif
+
+static const struct i2c_device_id rt274_i2c_id[] = {
+       {"rt274", 0},
+       {}
+};
+MODULE_DEVICE_TABLE(i2c, rt274_i2c_id);
+
+static const struct acpi_device_id rt274_acpi_match[] = {
+       { "10EC0274", 0 },
+       {},
+};
+MODULE_DEVICE_TABLE(acpi, rt274_acpi_match);
+
+static int rt274_i2c_probe(struct i2c_client *i2c,
+                          const struct i2c_device_id *id)
+{
+       struct rt274_priv *rt274;
+
+       int ret;
+       unsigned int val;
+
+       rt274 = devm_kzalloc(&i2c->dev, sizeof(*rt274),
+                               GFP_KERNEL);
+       if (rt274 == NULL)
+               return -ENOMEM;
+
+       rt274->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt274_regmap);
+       if (IS_ERR(rt274->regmap)) {
+               ret = PTR_ERR(rt274->regmap);
+               dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+                       ret);
+               return ret;
+       }
+
+       regmap_read(rt274->regmap,
+               RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val);
+       if (val != RT274_VENDOR_ID) {
+               dev_err(&i2c->dev,
+                       "Device with ID register %#x is not rt274\n", val);
+               return -ENODEV;
+       }
+
+       rt274->index_cache = devm_kmemdup(&i2c->dev, rt274_index_def,
+                                         sizeof(rt274_index_def), GFP_KERNEL);
+       if (!rt274->index_cache)
+               return -ENOMEM;
+
+       rt274->index_cache_size = INDEX_CACHE_SIZE;
+       rt274->i2c = i2c;
+       i2c_set_clientdata(i2c, rt274);
+
+       /* reset codec */
+       regmap_write(rt274->regmap, RT274_RESET, 0);
+       regmap_update_bits(rt274->regmap, 0x1a, 0x4000, 0x4000);
+
+       /* Set Pad PDB is floating */
+       regmap_update_bits(rt274->regmap, RT274_PAD_CTRL12, 0x3, 0x0);
+       regmap_write(rt274->regmap, RT274_COEF5b_INDEX, 0x01);
+       regmap_write(rt274->regmap, RT274_COEF5b_COEF, 0x8540);
+       regmap_update_bits(rt274->regmap, 0x6f, 0x0100, 0x0100);
+       /* Combo jack auto detect */
+       regmap_write(rt274->regmap, 0x4a, 0x201b);
+       /* Aux mode off */
+       regmap_update_bits(rt274->regmap, 0x6f, 0x3000, 0x2000);
+       /* HP DC Calibration */
+       regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0x0);
+       //Set NID=58h.Index 00h [15]= 1b;
+       regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00);
+       regmap_write(rt274->regmap, RT274_COEF58_COEF, 0xb888);
+       msleep(500);
+       regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0xb);
+       regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00);
+       regmap_write(rt274->regmap, RT274_COEF58_COEF, 0x3888);
+       /* Set pin widget */
+       regmap_write(rt274->regmap, RT274_SET_PIN_HPO, 0x40);
+       regmap_write(rt274->regmap, RT274_SET_PIN_LOUT3, 0x40);
+       regmap_write(rt274->regmap, RT274_SET_MIC, 0x20);
+       regmap_write(rt274->regmap, RT274_SET_PIN_DMIC1, 0x20);
+
+       regmap_update_bits(rt274->regmap, RT274_I2S_CTRL2, 0xc004, 0x4004);
+       regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
+                               RT274_GPI2_SEL_MASK, RT274_GPI2_SEL_DMIC_CLK);
+
+       /* jack detection */
+       regmap_write(rt274->regmap, RT274_UNSOLICITED_HP_OUT, 0x81);
+       regmap_write(rt274->regmap, RT274_UNSOLICITED_MIC, 0x82);
+
+       if (rt274->i2c->irq) {
+               ret = request_threaded_irq(rt274->i2c->irq, NULL, rt274_irq,
+                       IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt274", rt274);
+               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_rt274,
+                                    rt274_dai, ARRAY_SIZE(rt274_dai));
+
+       return ret;
+}
+
+static int rt274_i2c_remove(struct i2c_client *i2c)
+{
+       struct rt274_priv *rt274 = i2c_get_clientdata(i2c);
+
+       if (i2c->irq)
+               free_irq(i2c->irq, rt274);
+       snd_soc_unregister_codec(&i2c->dev);
+
+       return 0;
+}
+
+
+static struct i2c_driver rt274_i2c_driver = {
+       .driver = {
+                  .name = "rt274",
+                  .acpi_match_table = ACPI_PTR(rt274_acpi_match),
+#ifdef CONFIG_OF
+                  .of_match_table = of_match_ptr(rt274_of_match),
+#endif
+                  },
+       .probe = rt274_i2c_probe,
+       .remove = rt274_i2c_remove,
+       .id_table = rt274_i2c_id,
+};
+
+module_i2c_driver(rt274_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC RT274 driver");
+MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/rt274.h b/sound/soc/codecs/rt274.h
new file mode 100644 (file)
index 0000000..4fd1bcb
--- /dev/null
@@ -0,0 +1,217 @@
+/*
+ * rt274.h  --  RT274 ALSA SoC audio driver
+ *
+ * Copyright 2016 Realtek Microelectronics
+ * 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.
+ */
+
+#ifndef __RT274_H__
+#define __RT274_H__
+
+#define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D)
+
+#define RT274_AUDIO_FUNCTION_GROUP                     0x01
+#define RT274_DAC_OUT0                                 0x02
+#define RT274_DAC_OUT1                                 0x03
+#define RT274_ADC_IN2                                  0x08
+#define RT274_ADC_IN1                                  0x09
+#define RT274_DIG_CVT                                  0x0a
+#define RT274_DMIC1                                    0x12
+#define RT274_DMIC2                                    0x13
+#define RT274_MIC                                      0x19
+#define RT274_LINE1                                    0x1a
+#define RT274_LINE2                                    0x1b
+#define RT274_LINE3                                    0x16
+#define RT274_SPDIF                                    0x1e
+#define RT274_VENDOR_REGISTERS                         0x20
+#define RT274_HP_OUT                                   0x21
+#define RT274_MIXER_IN1                                        0x22
+#define RT274_MIXER_IN2                                        0x23
+#define RT274_INLINE_CMD                               0x55
+
+#define RT274_SET_PIN_SFT                              6
+#define RT274_SET_PIN_ENABLE                           0x40
+#define RT274_SET_PIN_DISABLE                          0
+#define RT274_SET_EAPD_HIGH                            0x2
+#define RT274_SET_EAPD_LOW                             0
+
+#define RT274_MUTE_SFT                                 7
+
+/* Verb commands */
+#define RT274_RESET\
+       VERB_CMD(AC_VERB_SET_CODEC_RESET, RT274_AUDIO_FUNCTION_GROUP, 0)
+#define RT274_GET_PARAM(NID, PARAM) VERB_CMD(AC_VERB_PARAMETERS, NID, PARAM)
+#define RT274_SET_POWER(NID) VERB_CMD(AC_VERB_SET_POWER_STATE, NID, 0)
+#define RT274_SET_AUDIO_POWER RT274_SET_POWER(RT274_AUDIO_FUNCTION_GROUP)
+#define RT274_SET_HPO_POWER RT274_SET_POWER(RT274_HP_OUT)
+#define RT274_SET_DMIC1_POWER RT274_SET_POWER(RT274_DMIC1)
+#define RT274_LOUT_MUX\
+       VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT274_LINE3, 0)
+#define RT274_HPO_MUX\
+       VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT274_HP_OUT, 0)
+#define RT274_ADC0_MUX\
+       VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT274_MIXER_IN1, 0)
+#define RT274_ADC1_MUX\
+       VERB_CMD(AC_VERB_SET_CONNECT_SEL, RT274_MIXER_IN2, 0)
+#define RT274_SET_MIC\
+       VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_MIC, 0)
+#define RT274_SET_PIN_LOUT3\
+       VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_LINE3, 0)
+#define RT274_SET_PIN_HPO\
+       VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0)
+#define RT274_SET_PIN_DMIC1\
+       VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0)
+#define RT274_SET_PIN_SPDIF\
+       VERB_CMD(AC_VERB_SET_PIN_WIDGET_CONTROL, RT274_SPDIF, 0)
+#define RT274_SET_PIN_DIG_CVT\
+       VERB_CMD(AC_VERB_SET_DIGI_CONVERT_1, RT274_DIG_CVT, 0)
+#define RT274_SET_AMP_GAIN_HPO\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_HP_OUT, 0)
+#define RT274_SET_AMP_GAIN_ADC_IN1\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0)
+#define RT274_SET_AMP_GAIN_ADC_IN2\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0)
+#define RT274_GET_HP_SENSE\
+       VERB_CMD(AC_VERB_GET_PIN_SENSE, RT274_HP_OUT, 0)
+#define RT274_GET_MIC_SENSE\
+       VERB_CMD(AC_VERB_GET_PIN_SENSE, RT274_MIC, 0)
+#define RT274_SET_DMIC2_DEFAULT\
+       VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT274_DMIC2, 0)
+#define RT274_SET_SPDIF_DEFAULT\
+       VERB_CMD(AC_VERB_SET_CONFIG_DEFAULT_BYTES_3, RT274_SPDIF, 0)
+#define RT274_DAC0L_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0xa000)
+#define RT274_DAC0R_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0x9000)
+#define RT274_DAC1L_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0xa000)
+#define RT274_DAC1R_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0x9000)
+#define RT274_ADCL_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0x6000)
+#define RT274_ADCR_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0x5000)
+#define RT274_MIC_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_MIC, 0x7000)
+#define RT274_LOUTL_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_LINE3, 0xa000)
+#define RT274_LOUTR_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_LINE3, 0x9000)
+#define RT274_HPOL_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_HP_OUT, 0xa000)
+#define RT274_HPOR_GAIN\
+       VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, RT274_HP_OUT, 0x9000)
+#define RT274_DAC_FORMAT\
+       VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT274_DAC_OUT0, 0)
+#define RT274_ADC_FORMAT\
+       VERB_CMD(AC_VERB_SET_STREAM_FORMAT, RT274_ADC_IN1, 0)
+#define RT274_COEF_INDEX\
+       VERB_CMD(AC_VERB_SET_COEF_INDEX, RT274_VENDOR_REGISTERS, 0)
+#define RT274_PROC_COEF\
+       VERB_CMD(AC_VERB_SET_PROC_COEF, RT274_VENDOR_REGISTERS, 0)
+#define RT274_UNSOLICITED_INLINE_CMD\
+       VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT274_INLINE_CMD, 0)
+#define RT274_UNSOLICITED_HP_OUT\
+       VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT274_HP_OUT, 0)
+#define RT274_UNSOLICITED_MIC\
+       VERB_CMD(AC_VERB_SET_UNSOLICITED_ENABLE, RT274_MIC, 0)
+#define RT274_COEF58_INDEX\
+       VERB_CMD(AC_VERB_SET_COEF_INDEX, 0x58, 0)
+#define RT274_COEF58_COEF\
+       VERB_CMD(AC_VERB_SET_PROC_COEF, 0x58, 0)
+#define RT274_COEF5b_INDEX\
+       VERB_CMD(AC_VERB_SET_COEF_INDEX, 0x5b, 0)
+#define RT274_COEF5b_COEF\
+       VERB_CMD(AC_VERB_SET_PROC_COEF, 0x5b, 0)
+#define RT274_SET_STREAMID_DAC0\
+       VERB_CMD(AC_VERB_SET_CHANNEL_STREAMID, RT274_DAC_OUT0, 0)
+#define RT274_SET_STREAMID_DAC1\
+       VERB_CMD(AC_VERB_SET_CHANNEL_STREAMID, RT274_DAC_OUT1, 0)
+#define RT274_SET_STREAMID_ADC1\
+       VERB_CMD(AC_VERB_SET_CHANNEL_STREAMID, RT274_ADC_IN1, 0)
+#define RT274_SET_STREAMID_ADC2\
+       VERB_CMD(AC_VERB_SET_CHANNEL_STREAMID, RT274_ADC_IN2, 0)
+
+/* Index registers */
+#define RT274_EAPD_GPIO_IRQ_CTRL       0x10
+#define RT274_PAD_CTRL12               0x35
+#define RT274_I2S_CTRL1                        0x63
+#define RT274_I2S_CTRL2                        0x64
+#define RT274_MCLK_CTRL                        0x71
+#define RT274_CLK_CTRL                 0x72
+#define RT274_PLL2_CTRL                        0x7b
+
+
+/* EAPD GPIO IRQ control (Index 0x10) */
+#define RT274_IRQ_DIS          (0x0 << 13)
+#define RT274_IRQ_EN           (0x1 << 13)
+#define RT274_IRQ_CLR          (0x1 << 12)
+#define RT274_GPI2_SEL_MASK    (0x3 << 7)
+#define RT274_GPI2_SEL_GPIO2   (0x0 << 7)
+#define RT274_GPI2_SEL_I2S     (0x1 << 7)
+#define RT274_GPI2_SEL_DMIC_CLK        (0x2 << 7)
+#define RT274_GPI2_SEL_CBJ     (0x3 << 7)
+
+/* Front I2S_Interface control 1 (Index 0x63) */
+#define RT274_I2S_MODE_MASK    (0x1 << 11)
+#define RT274_I2S_MODE_S       (0x0 << 11)
+#define RT274_I2S_MODE_M       (0x1 << 11)
+#define RT274_TDM_DIS          (0x0 << 10)
+#define RT274_TDM_EN           (0x1 << 10)
+#define RT274_TDM_CH_NUM       (0x1 << 7)
+#define RT274_TDM_2CH          (0x0 << 7)
+#define RT274_TDM_4CH          (0x1 << 7)
+#define RT274_I2S_FMT_MASK     (0x3 << 8)
+#define RT274_I2S_FMT_I2S      (0x0 << 8)
+#define RT274_I2S_FMT_LJ       (0x1 << 8)
+#define RT274_I2S_FMT_PCMA     (0x2 << 8)
+#define RT274_I2S_FMT_PCMB     (0x3 << 8)
+
+/* MCLK clock domain control (Index 0x71) */
+#define RT274_MCLK_MODE_MASK   (0x1 << 14)
+#define RT274_MCLK_MODE_DIS    (0x0 << 14)
+#define RT274_MCLK_MODE_EN     (0x1 << 14)
+
+/* Clock control (Index 0x72) */
+#define RT274_CLK_SRC_MASK     (0x7 << 3)
+#define RT274_CLK_SRC_MCLK     (0x0 << 3)
+#define RT274_CLK_SRC_PLL2     (0x3 << 3)
+
+/* PLL2 control (Index 0x7b) */
+#define RT274_PLL2_SRC_MASK    (0x1 << 13)
+#define RT274_PLL2_SRC_MCLK    (0x0 << 13)
+#define RT274_PLL2_SRC_BCLK    (0x1 << 13)
+
+/* HP-OUT (0x21) */
+#define RT274_M_HP_MUX_SFT     14
+#define RT274_HP_SEL_MASK      0x1
+#define RT274_HP_SEL_SFT       0
+#define RT274_HP_SEL_F         0
+#define RT274_HP_SEL_S         1
+
+/* ADC (0x22) (0x23) */
+#define RT274_ADC_SEL_MASK     0x7
+#define RT274_ADC_SEL_SFT      0
+#define RT274_ADC_SEL_MIC      0
+#define RT274_ADC_SEL_LINE1    1
+#define RT274_ADC_SEL_LINE2    2
+#define RT274_ADC_SEL_DMIC     3
+
+#define RT274_SCLK_S_MCLK      0
+#define RT274_SCLK_S_PLL1      1
+#define RT274_SCLK_S_PLL2      2
+
+#define RT274_PLL2_S_MCLK      0
+#define RT274_PLL2_S_BCLK      1
+
+enum {
+       RT274_AIF1,
+       RT274_AIFS,
+};
+
+#endif /* __RT274_H__ */
+