@@ -126,6 +126,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_RT274 if I2C
select SND_SOC_RT286 if I2C
select SND_SOC_RT298 if I2C
+ select SND_SOC_RT1305 if I2C
select SND_SOC_RT5514 if I2C
select SND_SOC_RT5616 if I2C
select SND_SOC_RT5631 if I2C
@@ -772,6 +773,7 @@ config SND_SOC_RL6231
default y if SND_SOC_RT5665=y
default y if SND_SOC_RT5670=y
default y if SND_SOC_RT5677=y
+ default y if SND_SOC_RT1305=y
default m if SND_SOC_RT5514=m
default m if SND_SOC_RT5616=m
default m if SND_SOC_RT5640=m
@@ -783,6 +785,7 @@ config SND_SOC_RL6231
default m if SND_SOC_RT5665=m
default m if SND_SOC_RT5670=m
default m if SND_SOC_RT5677=m
+ default m if SND_SOC_RT1305=m
config SND_SOC_RL6347A
tristate
@@ -805,6 +808,9 @@ config SND_SOC_RT298
tristate
depends on I2C
+config SND_SOC_RT1305
+ tristate
+
config SND_SOC_RT5514
tristate
@@ -126,6 +126,7 @@ 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-rt1305-objs := rt1305.o
snd-soc-rt274-objs := rt274.o
snd-soc-rt286-objs := rt286.o
snd-soc-rt298-objs := rt298.o
@@ -379,6 +380,7 @@ 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-$(CONFIG_SND_SOC_RT1305) += snd-soc-rt1305.o
obj-$(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
new file mode 100644
@@ -0,0 +1,1191 @@
+/*
+ * rt1305.c -- RT1305 ALSA SoC amplifier component driver
+ *
+ * Copyright 2018 Realtek Semiconductor Corp.
+ * Author: Shuming Fan <shumingf@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/gpio.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/firmware.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 "rl6231.h"
+#include "rt1305.h"
+
+
+#define RT1305_PR_RANGE_BASE (0xff + 1)
+#define RT1305_PR_SPACING 0x100
+
+#define RT1305_PR_BASE (RT1305_PR_RANGE_BASE + (0 * RT1305_PR_SPACING))
+
+
+static const struct regmap_range_cfg rt1305_ranges[] = {
+ {
+ .name = "PR",
+ .range_min = RT1305_PR_BASE,
+ .range_max = RT1305_PR_BASE + 0xff,
+ .selector_reg = RT1305_PRIV_INDEX,
+ .selector_mask = 0xff,
+ .selector_shift = 0x0,
+ .window_start = RT1305_PRIV_DATA,
+ .window_len = 0x1,
+ },
+};
+
+
+static const struct reg_sequence init_list[] = {
+
+ { RT1305_PR_BASE + 0xcf, 0x5548 },
+ { RT1305_PR_BASE + 0x5d, 0x0442 },
+ { RT1305_PR_BASE + 0xc1, 0x0320 },
+
+ { RT1305_POWER_STATUS, 0x0000 },
+
+ { RT1305_SPK_TEMP_PROTECTION_1, 0xd6de },
+ { RT1305_SPK_TEMP_PROTECTION_2, 0x0707 },
+ { RT1305_SPK_TEMP_PROTECTION_3, 0x4090 },
+
+ { RT1305_DAC_SET_1, 0xdfdf }, /* 4 ohm 2W */
+ { RT1305_ADC_SET_3, 0x0219 },
+ { RT1305_ADC_SET_1, 0x170f }, /* 0.2 ohm RSense*/
+
+};
+#define RT1305_INIT_REG_LEN ARRAY_SIZE(init_list)
+
+struct rt1305_priv {
+ struct snd_soc_component *component;
+ struct regmap *regmap;
+
+ int sysclk;
+ int sysclk_src;
+ int lrck;
+ int bclk;
+ int master;
+
+ int pll_src;
+ int pll_in;
+ int pll_out;
+};
+
+static const struct reg_default rt1305_reg[] = {
+
+ { 0x04, 0x0400 },
+ { 0x05, 0x0880 },
+ { 0x06, 0x0000 },
+ { 0x07, 0x3100 },
+ { 0x08, 0x8000 },
+ { 0x09, 0x0000 },
+ { 0x0a, 0x087e },
+ { 0x0b, 0x0020 },
+ { 0x0c, 0x0802 },
+ { 0x0d, 0x0020 },
+ { 0x10, 0x1d1d },
+ { 0x11, 0x1d1d },
+ { 0x12, 0xffff },
+ { 0x14, 0x000c },
+ { 0x16, 0x1717 },
+ { 0x17, 0x4000 },
+ { 0x18, 0x0019 },
+ { 0x20, 0x0000 },
+ { 0x22, 0x0000 },
+ { 0x24, 0x0000 },
+ { 0x26, 0x0000 },
+ { 0x28, 0x0000 },
+ { 0x2a, 0x4000 },
+ { 0x2b, 0x3000 },
+ { 0x2d, 0x6000 },
+ { 0x2e, 0x0000 },
+ { 0x2f, 0x8000 },
+ { 0x32, 0x0000 },
+ { 0x39, 0x0001 },
+ { 0x3a, 0x0000 },
+ { 0x3b, 0x1020 },
+ { 0x3c, 0x0000 },
+ { 0x3d, 0x0000 },
+ { 0x3e, 0x4c00 },
+ { 0x3f, 0x3000 },
+ { 0x40, 0x000c },
+ { 0x42, 0x0400 },
+ { 0x46, 0xc22c },
+ { 0x47, 0x0000 },
+ { 0x4b, 0x0000 },
+ { 0x4c, 0x0300 },
+ { 0x4f, 0xf000 },
+ { 0x50, 0xc200 },
+ { 0x51, 0x1f1f },
+ { 0x52, 0x01f0 },
+ { 0x53, 0x407f },
+ { 0x54, 0xffff },
+ { 0x58, 0x4005 },
+ { 0x5e, 0x0000 },
+ { 0x5f, 0x0000 },
+ { 0x60, 0xee13 },
+ { 0x62, 0x0000 },
+ { 0x63, 0x5f5f },
+ { 0x64, 0x0040 },
+ { 0x65, 0x4000 },
+ { 0x66, 0x4004 },
+ { 0x67, 0x0306 },
+ { 0x68, 0x8c04 },
+ { 0x69, 0xe021 },
+ { 0x6a, 0x0000 },
+ { 0x6c, 0xaaaa },
+ { 0x70, 0x0333 },
+ { 0x71, 0x3330 },
+ { 0x72, 0x3333 },
+ { 0x73, 0x3300 },
+ { 0x74, 0x0000 },
+ { 0x75, 0x0000 },
+ { 0x76, 0x0000 },
+ { 0x7a, 0x0003 },
+ { 0x7c, 0x10ec },
+ { 0x7e, 0x6251 },
+ { 0x80, 0x0800 },
+ { 0x81, 0x4000 },
+ { 0x82, 0x0000 },
+ { 0x90, 0x7a01 },
+ { 0x91, 0x8431 },
+ { 0x92, 0x0180 },
+ { 0x93, 0x0000 },
+ { 0x94, 0x0000 },
+ { 0x95, 0x0000 },
+ { 0x96, 0x0000 },
+ { 0x97, 0x0000 },
+ { 0x98, 0x0000 },
+ { 0x99, 0x0000 },
+ { 0x9a, 0x0000 },
+ { 0x9b, 0x0000 },
+ { 0x9c, 0x0000 },
+ { 0x9d, 0x0000 },
+ { 0x9e, 0x0000 },
+ { 0x9f, 0x0000 },
+ { 0xa0, 0x0000 },
+ { 0xb0, 0x8200 },
+ { 0xb1, 0x00ff },
+ { 0xb2, 0x0008 },
+ { 0xc0, 0x0200 },
+ { 0xc1, 0x0000 },
+ { 0xc2, 0x0000 },
+ { 0xc3, 0x0000 },
+ { 0xc4, 0x0000 },
+ { 0xc5, 0x0000 },
+ { 0xc6, 0x0000 },
+ { 0xc7, 0x0000 },
+ { 0xc8, 0x0000 },
+ { 0xc9, 0x0000 },
+ { 0xca, 0x0200 },
+ { 0xcb, 0x0000 },
+ { 0xcc, 0x0000 },
+ { 0xcd, 0x0000 },
+ { 0xce, 0x0000 },
+ { 0xcf, 0x0000 },
+ { 0xd0, 0x0000 },
+ { 0xd1, 0x0000 },
+ { 0xd2, 0x0000 },
+ { 0xd3, 0x0000 },
+ { 0xd4, 0x0200 },
+ { 0xd5, 0x0000 },
+ { 0xd6, 0x0000 },
+ { 0xd7, 0x0000 },
+ { 0xd8, 0x0000 },
+ { 0xd9, 0x0000 },
+ { 0xda, 0x0000 },
+ { 0xdb, 0x0000 },
+ { 0xdc, 0x0000 },
+ { 0xdd, 0x0000 },
+ { 0xde, 0x0200 },
+ { 0xdf, 0x0000 },
+ { 0xe0, 0x0000 },
+ { 0xe1, 0x0000 },
+ { 0xe2, 0x0000 },
+ { 0xe3, 0x0000 },
+ { 0xe4, 0x0000 },
+ { 0xe5, 0x0000 },
+ { 0xe6, 0x0000 },
+ { 0xe7, 0x0000 },
+ { 0xe8, 0x0200 },
+ { 0xe9, 0x0000 },
+ { 0xea, 0x0000 },
+ { 0xeb, 0x0000 },
+ { 0xec, 0x0000 },
+ { 0xed, 0x0000 },
+ { 0xee, 0x0000 },
+ { 0xef, 0x0000 },
+ { 0xf0, 0x0000 },
+ { 0xf1, 0x0000 },
+ { 0xf2, 0x0200 },
+ { 0xf3, 0x0000 },
+ { 0xf4, 0x0000 },
+ { 0xf5, 0x0000 },
+ { 0xf6, 0x0000 },
+ { 0xf7, 0x0000 },
+ { 0xf8, 0x0000 },
+ { 0xf9, 0x0000 },
+ { 0xfa, 0x0000 },
+ { 0xfb, 0x0000 },
+};
+
+static int rt1305_reg_init(struct snd_soc_component *component)
+{
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+
+ regmap_multi_reg_write(rt1305->regmap, init_list, RT1305_INIT_REG_LEN);
+ return 0;
+}
+
+static bool rt1305_volatile_register(struct device *dev, unsigned int reg)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(rt1305_ranges); i++) {
+ if (reg >= rt1305_ranges[i].range_min &&
+ reg <= rt1305_ranges[i].range_max) {
+ return true;
+ }
+ }
+
+ switch (reg) {
+ case RT1305_RESET:
+ case RT1305_SPDIF_IN_SET_1:
+ case RT1305_SPDIF_IN_SET_2:
+ case RT1305_SPDIF_IN_SET_3:
+ case RT1305_POWER_CTRL_2:
+ case RT1305_CLOCK_DETECT:
+ case RT1305_BIQUAD_SET_1:
+ case RT1305_BIQUAD_SET_2:
+ case RT1305_EQ_SET_2:
+ case RT1305_SPK_TEMP_PROTECTION_0:
+ case RT1305_SPK_TEMP_PROTECTION_2:
+ case RT1305_SPK_DC_DETECT_1:
+ case RT1305_SILENCE_DETECT:
+ case RT1305_VERSION_ID:
+ case RT1305_VENDOR_ID:
+ case RT1305_DEVICE_ID:
+ case RT1305_EFUSE_1:
+ case RT1305_EFUSE_3:
+ case RT1305_DC_CALIB_1:
+ case RT1305_DC_CALIB_3:
+ case RT1305_DAC_OFFSET_1:
+ case RT1305_DAC_OFFSET_2:
+ case RT1305_DAC_OFFSET_3:
+ case RT1305_DAC_OFFSET_4:
+ case RT1305_DAC_OFFSET_5:
+ case RT1305_DAC_OFFSET_6:
+ case RT1305_DAC_OFFSET_7:
+ case RT1305_DAC_OFFSET_8:
+ case RT1305_DAC_OFFSET_9:
+ case RT1305_DAC_OFFSET_10:
+ case RT1305_DAC_OFFSET_11:
+ case RT1305_TRIM_1:
+ case RT1305_TRIM_2:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+static bool rt1305_readable_register(struct device *dev, unsigned int reg)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(rt1305_ranges); i++) {
+ if (reg >= rt1305_ranges[i].range_min &&
+ reg <= rt1305_ranges[i].range_max) {
+ return true;
+ }
+ }
+
+ switch (reg) {
+ case RT1305_RESET:
+ case RT1305_CLK_1 ... RT1305_CAL_EFUSE_CLOCK:
+ case RT1305_PLL0_1 ... RT1305_PLL1_2:
+ case RT1305_MIXER_CTRL_1:
+ case RT1305_MIXER_CTRL_2:
+ case RT1305_DAC_SET_1:
+ case RT1305_DAC_SET_2:
+ case RT1305_ADC_SET_1:
+ case RT1305_ADC_SET_2:
+ case RT1305_ADC_SET_3:
+ case RT1305_PATH_SET:
+ case RT1305_SPDIF_IN_SET_1:
+ case RT1305_SPDIF_IN_SET_2:
+ case RT1305_SPDIF_IN_SET_3:
+ case RT1305_SPDIF_OUT_SET_1:
+ case RT1305_SPDIF_OUT_SET_2:
+ case RT1305_SPDIF_OUT_SET_3:
+ case RT1305_I2S_SET_1:
+ case RT1305_I2S_SET_2:
+ case RT1305_PBTL_MONO_MODE_SRC:
+ case RT1305_MANUALLY_I2C_DEVICE:
+ case RT1305_POWER_STATUS:
+ case RT1305_POWER_CTRL_1:
+ case RT1305_POWER_CTRL_2:
+ case RT1305_POWER_CTRL_3:
+ case RT1305_POWER_CTRL_4:
+ case RT1305_POWER_CTRL_5:
+ case RT1305_CLOCK_DETECT:
+ case RT1305_BIQUAD_SET_1:
+ case RT1305_BIQUAD_SET_2:
+ case RT1305_ADJUSTED_HPF_1:
+ case RT1305_ADJUSTED_HPF_2:
+ case RT1305_EQ_SET_1:
+ case RT1305_EQ_SET_2:
+ case RT1305_SPK_TEMP_PROTECTION_0:
+ case RT1305_SPK_TEMP_PROTECTION_1:
+ case RT1305_SPK_TEMP_PROTECTION_2:
+ case RT1305_SPK_TEMP_PROTECTION_3:
+ case RT1305_SPK_DC_DETECT_1:
+ case RT1305_SPK_DC_DETECT_2:
+ case RT1305_LOUDNESS:
+ case RT1305_THERMAL_FOLD_BACK_1:
+ case RT1305_THERMAL_FOLD_BACK_2:
+ case RT1305_SILENCE_DETECT ... RT1305_SPK_EXCURSION_LIMITER_7:
+ case RT1305_VERSION_ID:
+ case RT1305_VENDOR_ID:
+ case RT1305_DEVICE_ID:
+ case RT1305_EFUSE_1:
+ case RT1305_EFUSE_2:
+ case RT1305_EFUSE_3:
+ case RT1305_DC_CALIB_1:
+ case RT1305_DC_CALIB_2:
+ case RT1305_DC_CALIB_3:
+ case RT1305_DAC_OFFSET_1 ... RT1305_DAC_OFFSET_14:
+ case RT1305_TRIM_1:
+ case RT1305_TRIM_2:
+ case RT1305_TUNE_INTERNAL_OSC:
+ case RT1305_BIQUAD1_H0_L_28_16 ... RT1305_BIQUAD3_A2_R_15_0:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9435, 37, 0);
+
+static const char * const rt1305_rx_data_ch_select[] = {
+ "LR",
+ "RL",
+ "Copy L",
+ "Copy R",
+};
+
+static SOC_ENUM_SINGLE_DECL(rt1305_rx_data_ch_enum, RT1305_I2S_SET_2, 2,
+ rt1305_rx_data_ch_select);
+
+static void rt1305_reset(struct regmap *regmap)
+{
+ regmap_write(regmap, RT1305_RESET, 0);
+}
+
+static const struct snd_kcontrol_new rt1305_snd_controls[] = {
+ SOC_DOUBLE_TLV("DAC Playback Volume", RT1305_DAC_SET_1,
+ 8, 0, 0xff, 0, dac_vol_tlv),
+
+ /* I2S Data Channel Selection */
+ SOC_ENUM("RX Channel Select", rt1305_rx_data_ch_enum),
+};
+
+static int rt1305_is_rc_clk_from_pll(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(source->dapm);
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+ unsigned int val;
+
+ snd_soc_component_read(component, RT1305_CLK_1, &val);
+
+ if (rt1305->sysclk_src == RT1305_FS_SYS_PRE_S_PLL1 &&
+ (val & RT1305_SEL_PLL_SRC_2_RCCLK))
+ return 1;
+ else
+ return 0;
+}
+
+static int rt1305_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(source->dapm);
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+
+ if (rt1305->sysclk_src == RT1305_FS_SYS_PRE_S_PLL1)
+ return 1;
+ else
+ return 0;
+}
+
+static int rt1305_classd_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(w->dapm);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_component_update_bits(component, RT1305_POWER_CTRL_1,
+ RT1305_POW_PDB_JD_MASK, RT1305_POW_PDB_JD);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_component_update_bits(component, RT1305_POWER_CTRL_1,
+ RT1305_POW_PDB_JD_MASK, 0);
+ usleep_range(150000, 200000);
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new rt1305_sto_dac_l =
+ SOC_DAPM_SINGLE("Switch", RT1305_DAC_SET_2,
+ RT1305_DVOL_MUTE_L_EN_SFT, 1, 1);
+
+static const struct snd_kcontrol_new rt1305_sto_dac_r =
+ SOC_DAPM_SINGLE("Switch", RT1305_DAC_SET_2,
+ RT1305_DVOL_MUTE_R_EN_SFT, 1, 1);
+
+static const struct snd_soc_dapm_widget rt1305_dapm_widgets[] = {
+ SND_SOC_DAPM_SUPPLY("PLL0", RT1305_POWER_CTRL_1,
+ RT1305_POW_PLL0_EN_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("PLL1", RT1305_POWER_CTRL_1,
+ RT1305_POW_PLL1_EN_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MBIAS", RT1305_POWER_CTRL_1,
+ RT1305_POW_MBIAS_LV_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("BG MBIAS", RT1305_POWER_CTRL_1,
+ RT1305_POW_BG_MBIAS_LV_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("LDO2", RT1305_POWER_CTRL_1,
+ RT1305_POW_LDO2_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("BG2", RT1305_POWER_CTRL_1,
+ RT1305_POW_BG2_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("LDO2 IB2", RT1305_POWER_CTRL_1,
+ RT1305_POW_LDO2_IB2_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("VREF", RT1305_POWER_CTRL_1,
+ RT1305_POW_VREF_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("VREF1", RT1305_POWER_CTRL_1,
+ RT1305_POW_VREF1_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("VREF2", RT1305_POWER_CTRL_1,
+ RT1305_POW_VREF2_BIT, 0, NULL, 0),
+
+
+ SND_SOC_DAPM_SUPPLY("DISC VREF", RT1305_POWER_CTRL_2,
+ RT1305_POW_DISC_VREF_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("FASTB VREF", RT1305_POWER_CTRL_2,
+ RT1305_POW_FASTB_VREF_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ULTRA FAST VREF", RT1305_POWER_CTRL_2,
+ RT1305_POW_ULTRA_FAST_VREF_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("CHOP DAC", RT1305_POWER_CTRL_2,
+ RT1305_POW_CKXEN_DAC_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("CKGEN DAC", RT1305_POWER_CTRL_2,
+ RT1305_POW_EN_CKGEN_DAC_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("CLAMP", RT1305_POWER_CTRL_2,
+ RT1305_POW_CLAMP_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("BUFL", RT1305_POWER_CTRL_2,
+ RT1305_POW_BUFL_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("BUFR", RT1305_POWER_CTRL_2,
+ RT1305_POW_BUFR_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("CKGEN ADC", RT1305_POWER_CTRL_2,
+ RT1305_POW_EN_CKGEN_ADC_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ADC3 L", RT1305_POWER_CTRL_2,
+ RT1305_POW_ADC3_L_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ADC3 R", RT1305_POWER_CTRL_2,
+ RT1305_POW_ADC3_R_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("TRIOSC", RT1305_POWER_CTRL_2,
+ RT1305_POW_TRIOSC_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("AVDD1", RT1305_POWER_CTRL_2,
+ RT1305_POR_AVDD1_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("AVDD2", RT1305_POWER_CTRL_2,
+ RT1305_POR_AVDD2_BIT, 0, NULL, 0),
+
+
+ SND_SOC_DAPM_SUPPLY("VSENSE R", RT1305_POWER_CTRL_3,
+ RT1305_POW_VSENSE_RCH_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("VSENSE L", RT1305_POWER_CTRL_3,
+ RT1305_POW_VSENSE_LCH_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ISENSE R", RT1305_POWER_CTRL_3,
+ RT1305_POW_ISENSE_RCH_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ISENSE L", RT1305_POWER_CTRL_3,
+ RT1305_POW_ISENSE_LCH_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("POR AVDD1", RT1305_POWER_CTRL_3,
+ RT1305_POW_POR_AVDD1_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("POR AVDD2", RT1305_POWER_CTRL_3,
+ RT1305_POW_POR_AVDD2_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("VCM 6172", RT1305_POWER_CTRL_3,
+ RT1305_EN_VCM_6172_BIT, 0, NULL, 0),
+
+
+ /* Audio Interface */
+ SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
+
+ /* Digital Interface */
+ SND_SOC_DAPM_SUPPLY("DAC L Power", RT1305_POWER_CTRL_2,
+ RT1305_POW_DAC1_L_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("DAC R Power", RT1305_POWER_CTRL_2,
+ RT1305_POW_DAC1_R_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_DAC("DAC", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_SWITCH("DAC L", SND_SOC_NOPM, 0, 0, &rt1305_sto_dac_l),
+ SND_SOC_DAPM_SWITCH("DAC R", SND_SOC_NOPM, 0, 0, &rt1305_sto_dac_r),
+
+ /* Output Lines */
+ SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0,
+ rt1305_classd_event,
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
+ SND_SOC_DAPM_OUTPUT("SPOL"),
+ SND_SOC_DAPM_OUTPUT("SPOR"),
+};
+
+static const struct snd_soc_dapm_route rt1305_dapm_routes[] = {
+
+ { "DAC", NULL, "AIF1RX" },
+
+ { "DAC", NULL, "PLL0", rt1305_is_rc_clk_from_pll },
+ { "DAC", NULL, "PLL1", rt1305_is_sys_clk_from_pll },
+
+ { "DAC", NULL, "MBIAS" },
+ { "DAC", NULL, "BG MBIAS" },
+ { "DAC", NULL, "LDO2" },
+ { "DAC", NULL, "BG2" },
+ { "DAC", NULL, "LDO2 IB2" },
+ { "DAC", NULL, "VREF" },
+ { "DAC", NULL, "VREF1" },
+ { "DAC", NULL, "VREF2" },
+
+ { "DAC", NULL, "DISC VREF" },
+ { "DAC", NULL, "FASTB VREF" },
+ { "DAC", NULL, "ULTRA FAST VREF" },
+ { "DAC", NULL, "CHOP DAC" },
+ { "DAC", NULL, "CKGEN DAC" },
+ { "DAC", NULL, "CLAMP" },
+ { "DAC", NULL, "CKGEN ADC" },
+ { "DAC", NULL, "TRIOSC" },
+ { "DAC", NULL, "AVDD1" },
+ { "DAC", NULL, "AVDD2" },
+
+ { "DAC", NULL, "POR AVDD1" },
+ { "DAC", NULL, "POR AVDD2" },
+ { "DAC", NULL, "VCM 6172" },
+
+ { "DAC L", "Switch", "DAC" },
+ { "DAC R", "Switch", "DAC" },
+
+ { "DAC R", NULL, "VSENSE R" },
+ { "DAC L", NULL, "VSENSE L" },
+ { "DAC R", NULL, "ISENSE R" },
+ { "DAC L", NULL, "ISENSE L" },
+ { "DAC L", NULL, "ADC3 L" },
+ { "DAC R", NULL, "ADC3 R" },
+ { "DAC L", NULL, "BUFL" },
+ { "DAC R", NULL, "BUFR" },
+ { "DAC L", NULL, "DAC L Power" },
+ { "DAC R", NULL, "DAC R Power" },
+
+ { "CLASS D", NULL, "DAC L" },
+ { "CLASS D", NULL, "DAC R" },
+
+ { "SPOL", NULL, "CLASS D" },
+ { "SPOR", NULL, "CLASS D" },
+};
+
+static int rt1305_get_clk_info(int sclk, int rate)
+{
+ int i, pd[] = {1, 2, 3, 4, 6, 8, 12, 16};
+
+ if (sclk <= 0 || rate <= 0)
+ return -EINVAL;
+
+ rate = rate << 8;
+ for (i = 0; i < ARRAY_SIZE(pd); i++)
+ if (sclk == rate * pd[i])
+ return i;
+
+ return -EINVAL;
+}
+
+static int rt1305_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+ unsigned int val_len = 0, val_clk, mask_clk;
+ int pre_div, bclk_ms, frame_size;
+
+ rt1305->lrck = params_rate(params);
+ pre_div = rt1305_get_clk_info(rt1305->sysclk, rt1305->lrck);
+ if (pre_div < 0) {
+ dev_warn(component->dev, "Force using PLL ");
+ snd_soc_dai_set_pll(dai, 0, RT1305_PLL1_S_BCLK,
+ rt1305->lrck * 64, rt1305->lrck * 256);
+ snd_soc_dai_set_sysclk(dai, RT1305_FS_SYS_PRE_S_PLL1,
+ rt1305->lrck * 256, SND_SOC_CLOCK_IN);
+ pre_div = 0;
+ }
+ frame_size = snd_soc_params_to_frame_size(params);
+ if (frame_size < 0) {
+ dev_err(component->dev, "Unsupported frame size: %d\n",
+ frame_size);
+ return -EINVAL;
+ }
+
+ bclk_ms = frame_size > 32;
+ rt1305->bclk = rt1305->lrck * (32 << bclk_ms);
+
+ dev_dbg(component->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
+ bclk_ms, pre_div, dai->id);
+
+ dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d\n",
+ rt1305->lrck, pre_div, dai->id);
+
+ switch (params_width(params)) {
+ case 16:
+ val_len |= RT1305_I2S_DL_SEL_16B;
+ break;
+ case 20:
+ val_len |= RT1305_I2S_DL_SEL_20B;
+ break;
+ case 24:
+ val_len |= RT1305_I2S_DL_SEL_24B;
+ break;
+ case 8:
+ val_len |= RT1305_I2S_DL_SEL_8B;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (dai->id) {
+ case RT1305_AIF1:
+ mask_clk = RT1305_DIV_FS_SYS_MASK;
+ val_clk = pre_div << RT1305_DIV_FS_SYS_SFT;
+ snd_soc_component_update_bits(component, RT1305_I2S_SET_2,
+ RT1305_I2S_DL_SEL_MASK,
+ val_len);
+ break;
+ default:
+ dev_err(component->dev, "Invalid dai->id: %d\n", dai->id);
+ return -EINVAL;
+ }
+
+ snd_soc_component_update_bits(component, RT1305_CLK_2,
+ mask_clk, val_clk);
+
+ return 0;
+}
+
+static int rt1305_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+ unsigned int reg_val = 0, reg1_val = 0;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ reg_val |= RT1305_SEL_I2S_OUT_MODE_M;
+ rt1305->master = 1;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ reg_val |= RT1305_SEL_I2S_OUT_MODE_S;
+ rt1305->master = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ reg1_val |= RT1305_I2S_BCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ reg1_val |= RT1305_I2S_DF_SEL_LEFT;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ reg1_val |= RT1305_I2S_DF_SEL_PCM_A;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ reg1_val |= RT1305_I2S_DF_SEL_PCM_B;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (dai->id) {
+ case RT1305_AIF1:
+ snd_soc_component_update_bits(component, RT1305_I2S_SET_1,
+ RT1305_SEL_I2S_OUT_MODE_MASK, reg_val);
+ snd_soc_component_update_bits(component, RT1305_I2S_SET_2,
+ RT1305_I2S_DF_SEL_MASK | RT1305_I2S_BCLK_MASK,
+ reg1_val);
+ break;
+ default:
+ dev_err(component->dev, "Invalid dai->id: %d\n", dai->id);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int rt1305_set_component_sysclk(struct snd_soc_component *component,
+ int clk_id, int source, unsigned int freq, int dir)
+{
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+ unsigned int reg_val = 0;
+
+ if (freq == rt1305->sysclk && clk_id == rt1305->sysclk_src)
+ return 0;
+
+ switch (clk_id) {
+ case RT1305_FS_SYS_PRE_S_MCLK:
+ reg_val |= RT1305_SEL_FS_SYS_PRE_MCLK;
+ snd_soc_component_update_bits(component,
+ RT1305_CLOCK_DETECT, RT1305_SEL_CLK_DET_SRC_MASK,
+ RT1305_SEL_CLK_DET_SRC_MCLK);
+ break;
+ case RT1305_FS_SYS_PRE_S_PLL1:
+ reg_val |= RT1305_SEL_FS_SYS_PRE_PLL;
+ break;
+ case RT1305_FS_SYS_PRE_S_RCCLK:
+ reg_val |= RT1305_SEL_FS_SYS_PRE_RCCLK;
+ break;
+ default:
+ dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
+ return -EINVAL;
+ }
+ snd_soc_component_update_bits(component, RT1305_CLK_1,
+ RT1305_SEL_FS_SYS_PRE_MASK, reg_val);
+ rt1305->sysclk = freq;
+ rt1305->sysclk_src = clk_id;
+
+ dev_dbg(component->dev, "Sysclk is %dHz and clock id is %d\n",
+ freq, clk_id);
+
+ return 0;
+}
+
+static int rt1305_set_component_pll(struct snd_soc_component *component,
+ int pll_id, int source, unsigned int freq_in,
+ unsigned int freq_out)
+{
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+ struct rl6231_pll_code pll_code;
+ int ret;
+
+ if (source == rt1305->pll_src && freq_in == rt1305->pll_in &&
+ freq_out == rt1305->pll_out)
+ return 0;
+
+ if (!freq_in || !freq_out) {
+ dev_dbg(component->dev, "PLL disabled\n");
+
+ rt1305->pll_in = 0;
+ rt1305->pll_out = 0;
+ snd_soc_component_update_bits(component, RT1305_CLK_1,
+ RT1305_SEL_FS_SYS_PRE_MASK | RT1305_SEL_PLL_SRC_1_MASK,
+ RT1305_SEL_FS_SYS_PRE_PLL | RT1305_SEL_PLL_SRC_1_BCLK);
+ return 0;
+ }
+
+ switch (source) {
+ case RT1305_PLL2_S_MCLK:
+ snd_soc_component_update_bits(component, RT1305_CLK_1,
+ RT1305_SEL_PLL_SRC_2_MASK | RT1305_SEL_PLL_SRC_1_MASK |
+ RT1305_DIV_PLL_SRC_2_MASK,
+ RT1305_SEL_PLL_SRC_2_MCLK | RT1305_SEL_PLL_SRC_1_PLL2);
+ snd_soc_component_update_bits(component,
+ RT1305_CLOCK_DETECT, RT1305_SEL_CLK_DET_SRC_MASK,
+ RT1305_SEL_CLK_DET_SRC_MCLK);
+ break;
+ case RT1305_PLL1_S_BCLK:
+ snd_soc_component_update_bits(component,
+ RT1305_CLK_1, RT1305_SEL_PLL_SRC_1_MASK,
+ RT1305_SEL_PLL_SRC_1_BCLK);
+ break;
+ case RT1305_PLL2_S_RCCLK:
+ snd_soc_component_update_bits(component, RT1305_CLK_1,
+ RT1305_SEL_PLL_SRC_2_MASK | RT1305_SEL_PLL_SRC_1_MASK |
+ RT1305_DIV_PLL_SRC_2_MASK,
+ RT1305_SEL_PLL_SRC_2_RCCLK | RT1305_SEL_PLL_SRC_1_PLL2);
+ freq_in = 98304000;
+ break;
+ default:
+ dev_err(component->dev, "Unknown PLL Source %d\n", source);
+ return -EINVAL;
+ }
+
+ ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
+ if (ret < 0) {
+ dev_err(component->dev, "Unsupport input clock %d\n", freq_in);
+ return ret;
+ }
+
+ dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
+ pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
+ pll_code.n_code, pll_code.k_code);
+
+ snd_soc_component_write(component, RT1305_PLL1_1,
+ (pll_code.m_bp ? 0 : pll_code.m_code) << RT1305_PLL_1_M_SFT |
+ pll_code.m_bp << RT1305_PLL_1_M_BYPASS_SFT |
+ pll_code.n_code);
+ snd_soc_component_write(component, RT1305_PLL1_2,
+ pll_code.k_code);
+
+ rt1305->pll_in = freq_in;
+ rt1305->pll_out = freq_out;
+ rt1305->pll_src = source;
+
+ return 0;
+}
+
+static int rt1305_probe(struct snd_soc_component *component)
+{
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+
+ rt1305->component = component;
+
+ /* initial settings */
+ rt1305_reg_init(component);
+
+ return 0;
+}
+
+static void rt1305_remove(struct snd_soc_component *component)
+{
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+
+ rt1305_reset(rt1305->regmap);
+}
+
+#ifdef CONFIG_PM
+static int rt1305_suspend(struct snd_soc_component *component)
+{
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+
+ regcache_cache_only(rt1305->regmap, true);
+ regcache_mark_dirty(rt1305->regmap);
+
+ return 0;
+}
+
+static int rt1305_resume(struct snd_soc_component *component)
+{
+ struct rt1305_priv *rt1305 = snd_soc_component_get_drvdata(component);
+
+ regcache_cache_only(rt1305->regmap, false);
+ regcache_sync(rt1305->regmap);
+
+ return 0;
+}
+#else
+#define rt1305_suspend NULL
+#define rt1305_resume NULL
+#endif
+
+#define RT1305_STEREO_RATES SNDRV_PCM_RATE_8000_192000
+#define RT1305_FORMATS (SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static const struct snd_soc_dai_ops rt1305_aif_dai_ops = {
+ .hw_params = rt1305_hw_params,
+ .set_fmt = rt1305_set_dai_fmt,
+};
+
+static struct snd_soc_dai_driver rt1305_dai[] = {
+ {
+ .name = "rt1305-aif",
+ .playback = {
+ .stream_name = "AIF1 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT1305_STEREO_RATES,
+ .formats = RT1305_FORMATS,
+ },
+ .ops = &rt1305_aif_dai_ops,
+ },
+};
+
+static const struct snd_soc_component_driver soc_component_dev_rt1305 = {
+ .probe = rt1305_probe,
+ .remove = rt1305_remove,
+ .suspend = rt1305_suspend,
+ .resume = rt1305_resume,
+ .controls = rt1305_snd_controls,
+ .num_controls = ARRAY_SIZE(rt1305_snd_controls),
+ .dapm_widgets = rt1305_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rt1305_dapm_widgets),
+ .dapm_routes = rt1305_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(rt1305_dapm_routes),
+ .set_sysclk = rt1305_set_component_sysclk,
+ .set_pll = rt1305_set_component_pll,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static const struct regmap_config rt1305_regmap = {
+ .reg_bits = 8,
+ .val_bits = 16,
+ .max_register = RT1305_MAX_REG + 1 + (ARRAY_SIZE(rt1305_ranges) *
+ RT1305_PR_SPACING),
+ .volatile_reg = rt1305_volatile_register,
+ .readable_reg = rt1305_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = rt1305_reg,
+ .num_reg_defaults = ARRAY_SIZE(rt1305_reg),
+ .ranges = rt1305_ranges,
+ .num_ranges = ARRAY_SIZE(rt1305_ranges),
+ .use_single_rw = true,
+};
+
+#if defined(CONFIG_OF)
+static const struct of_device_id rt1305_of_match[] = {
+ { .compatible = "realtek,rt1305", },
+ { .compatible = "realtek,rt1306", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, rt1305_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static struct acpi_device_id rt1305_acpi_match[] = {
+ {"10EC1305", 0,},
+ {"10EC1306", 0,},
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, rt1305_acpi_match);
+#endif
+
+static const struct i2c_device_id rt1305_i2c_id[] = {
+ { "rt1305", 0 },
+ { "rt1306", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, rt1305_i2c_id);
+
+static void rt1305_calibrate(struct rt1305_priv *rt1305)
+{
+ unsigned int valmsb, vallsb, offsetl, offsetr;
+ unsigned int rh, rl, rhl, r0ohm;
+ u64 r0l, r0r;
+
+ regcache_cache_bypass(rt1305->regmap, true);
+
+ rt1305_reset(rt1305->regmap);
+ regmap_write(rt1305->regmap, RT1305_ADC_SET_3, 0x0219);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xcf, 0x5548);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xc1, 0x0320);
+ regmap_write(rt1305->regmap, RT1305_CLOCK_DETECT, 0x1000);
+ regmap_write(rt1305->regmap, RT1305_CLK_1, 0x0600);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xffd0);
+ regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0080);
+ regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0880);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_1, 0x0dfe);
+
+ /* Sin Gen */
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x5d, 0x0442);
+
+ regmap_write(rt1305->regmap, RT1305_CAL_EFUSE_CLOCK, 0xb000);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xc3, 0xd4a0);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xcc, 0x00cc);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xc1, 0x0320);
+ regmap_write(rt1305->regmap, RT1305_POWER_STATUS, 0x0000);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_2, 0xffff);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfc20);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x06, 0x00c0);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfca0);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfce0);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfcf0);
+
+ /* EFUSE read */
+ regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0080);
+ regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0880);
+ regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0880);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfce0);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfca0);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfc20);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x06, 0x0000);
+ regmap_write(rt1305->regmap, RT1305_EFUSE_1, 0x0000);
+
+ regmap_read(rt1305->regmap, RT1305_DAC_OFFSET_5, &valmsb);
+ regmap_read(rt1305->regmap, RT1305_DAC_OFFSET_6, &vallsb);
+ offsetl = valmsb << 16 | vallsb;
+ regmap_read(rt1305->regmap, RT1305_DAC_OFFSET_7, &valmsb);
+ regmap_read(rt1305->regmap, RT1305_DAC_OFFSET_8, &vallsb);
+ offsetr = valmsb << 16 | vallsb;
+ pr_info("DC offsetl=0x%x, offsetr=0x%x\n", offsetl, offsetr);
+
+ /* R0 calibration */
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x5d, 0x9542);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0xfcf0);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_2, 0xffff);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_1, 0x1dfe);
+ regmap_write(rt1305->regmap, RT1305_SILENCE_DETECT, 0x0e13);
+ regmap_write(rt1305->regmap, RT1305_CLK_1, 0x0650);
+
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x50, 0x0064);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x51, 0x0770);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x52, 0xc30c);
+ regmap_write(rt1305->regmap, RT1305_SPK_TEMP_PROTECTION_1, 0x8200);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xd4, 0xfb00);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xd4, 0xff80);
+ msleep(2000);
+ regmap_read(rt1305->regmap, RT1305_PR_BASE + 0x55, &rh);
+ regmap_read(rt1305->regmap, RT1305_PR_BASE + 0x56, &rl);
+ rhl = (rh << 16) | rl;
+ r0ohm = (rhl*10) / 33554432;
+
+ pr_debug("Left_rhl = 0x%x rh=0x%x rl=0x%x\n", rhl, rh, rl);
+ pr_info("Left channel %d.%dohm\n", (r0ohm/10), (r0ohm%10));
+
+ r0l = 562949953421312;
+ if (rhl != 0)
+ do_div(r0l, rhl);
+ pr_debug("Left_r0 = 0x%llx\n", r0l);
+
+ regmap_write(rt1305->regmap, RT1305_SPK_TEMP_PROTECTION_1, 0x9200);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xd4, 0xfb00);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xd4, 0xff80);
+ msleep(2000);
+ regmap_read(rt1305->regmap, RT1305_PR_BASE + 0x55, &rh);
+ regmap_read(rt1305->regmap, RT1305_PR_BASE + 0x56, &rl);
+ rhl = (rh << 16) | rl;
+ r0ohm = (rhl*10) / 33554432;
+
+ pr_debug("Right_rhl = 0x%x rh=0x%x rl=0x%x\n", rhl, rh, rl);
+ pr_info("Right channel %d.%dohm\n", (r0ohm/10), (r0ohm%10));
+
+ r0r = 562949953421312;
+ if (rhl != 0)
+ do_div(r0r, rhl);
+ pr_debug("Right_r0 = 0x%llx\n", r0r);
+
+ regmap_write(rt1305->regmap, RT1305_SPK_TEMP_PROTECTION_1, 0xc2ec);
+
+ if ((r0l > R0_UPPER) && (r0l < R0_LOWER) &&
+ (r0r > R0_UPPER) && (r0r < R0_LOWER)) {
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x4e,
+ (r0l >> 16) & 0xffff);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x4f,
+ r0l & 0xffff);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xfe,
+ ((r0r >> 16) & 0xffff) | 0xf800);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0xfd,
+ r0r & 0xffff);
+ } else {
+ pr_err("R0 calibration failed\n");
+ }
+
+ /* restore some registers */
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_1, 0x0dfe);
+ usleep_range(200000, 400000);
+ regmap_write(rt1305->regmap, RT1305_PR_BASE + 0x5d, 0x0442);
+ regmap_write(rt1305->regmap, RT1305_CLOCK_DETECT, 0x3000);
+ regmap_write(rt1305->regmap, RT1305_CLK_1, 0x0400);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_1, 0x0000);
+ regmap_write(rt1305->regmap, RT1305_CAL_EFUSE_CLOCK, 0x8000);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_2, 0x1020);
+ regmap_write(rt1305->regmap, RT1305_POWER_CTRL_3, 0x0000);
+
+ regcache_cache_bypass(rt1305->regmap, false);
+}
+
+static int rt1305_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct rt1305_priv *rt1305;
+ int ret;
+ unsigned int val;
+
+ rt1305 = devm_kzalloc(&i2c->dev, sizeof(struct rt1305_priv),
+ GFP_KERNEL);
+ if (rt1305 == NULL)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, rt1305);
+
+ rt1305->regmap = devm_regmap_init_i2c(i2c, &rt1305_regmap);
+ if (IS_ERR(rt1305->regmap)) {
+ ret = PTR_ERR(rt1305->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ regmap_read(rt1305->regmap, RT1305_DEVICE_ID, &val);
+ if (val != RT1305_DEVICE_ID_NUM) {
+ dev_err(&i2c->dev,
+ "Device with ID register %x is not rt1305\n", val);
+ return -ENODEV;
+ }
+
+ rt1305_reset(rt1305->regmap);
+ rt1305_calibrate(rt1305);
+
+ return snd_soc_register_component(&i2c->dev, &soc_component_dev_rt1305,
+ rt1305_dai, ARRAY_SIZE(rt1305_dai));
+}
+
+static int rt1305_i2c_remove(struct i2c_client *i2c)
+{
+ snd_soc_unregister_component(&i2c->dev);
+
+ return 0;
+}
+
+static void rt1305_i2c_shutdown(struct i2c_client *client)
+{
+ struct rt1305_priv *rt1305 = i2c_get_clientdata(client);
+
+ rt1305_reset(rt1305->regmap);
+}
+
+
+static struct i2c_driver rt1305_i2c_driver = {
+ .driver = {
+ .name = "rt1305",
+ .owner = THIS_MODULE,
+#if defined(CONFIG_OF)
+ .of_match_table = rt1305_of_match,
+#endif
+#if defined(CONFIG_ACPI)
+ .acpi_match_table = ACPI_PTR(rt1305_acpi_match)
+#endif
+ },
+ .probe = rt1305_i2c_probe,
+ .remove = rt1305_i2c_remove,
+ .shutdown = rt1305_i2c_shutdown,
+ .id_table = rt1305_i2c_id,
+};
+module_i2c_driver(rt1305_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC RT1305 amplifier driver");
+MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
+MODULE_LICENSE("GPL v2");
new file mode 100644
@@ -0,0 +1,276 @@
+/*
+ * RT1305.h -- RT1305 ALSA SoC amplifier component driver
+ *
+ * Copyright 2018 Realtek Semiconductor Corp.
+ * Author: Shuming Fan <shumingf@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 _RT1305_H_
+#define _RT1305_H_
+
+#define RT1305_DEVICE_ID_NUM 0x6251
+
+#define RT1305_RESET 0x00
+#define RT1305_CLK_1 0x04
+#define RT1305_CLK_2 0x05
+#define RT1305_CLK_3 0x06
+#define RT1305_DFLL_REG 0x07
+#define RT1305_CAL_EFUSE_CLOCK 0x08
+#define RT1305_PLL0_1 0x0a
+#define RT1305_PLL0_2 0x0b
+#define RT1305_PLL1_1 0x0c
+#define RT1305_PLL1_2 0x0d
+#define RT1305_MIXER_CTRL_1 0x10
+#define RT1305_MIXER_CTRL_2 0x11
+#define RT1305_DAC_SET_1 0x12
+#define RT1305_DAC_SET_2 0x14
+#define RT1305_ADC_SET_1 0x16
+#define RT1305_ADC_SET_2 0x17
+#define RT1305_ADC_SET_3 0x18
+#define RT1305_PATH_SET 0x20
+#define RT1305_SPDIF_IN_SET_1 0x22
+#define RT1305_SPDIF_IN_SET_2 0x24
+#define RT1305_SPDIF_IN_SET_3 0x26
+#define RT1305_SPDIF_OUT_SET_1 0x28
+#define RT1305_SPDIF_OUT_SET_2 0x2a
+#define RT1305_SPDIF_OUT_SET_3 0x2b
+#define RT1305_I2S_SET_1 0x2d
+#define RT1305_I2S_SET_2 0x2e
+#define RT1305_PBTL_MONO_MODE_SRC 0x2f
+#define RT1305_MANUALLY_I2C_DEVICE 0x32
+#define RT1305_POWER_STATUS 0x39
+#define RT1305_POWER_CTRL_1 0x3a
+#define RT1305_POWER_CTRL_2 0x3b
+#define RT1305_POWER_CTRL_3 0x3c
+#define RT1305_POWER_CTRL_4 0x3d
+#define RT1305_POWER_CTRL_5 0x3e
+#define RT1305_CLOCK_DETECT 0x3f
+#define RT1305_BIQUAD_SET_1 0x40
+#define RT1305_BIQUAD_SET_2 0x42
+#define RT1305_ADJUSTED_HPF_1 0x46
+#define RT1305_ADJUSTED_HPF_2 0x47
+#define RT1305_EQ_SET_1 0x4b
+#define RT1305_EQ_SET_2 0x4c
+#define RT1305_SPK_TEMP_PROTECTION_0 0x4f
+#define RT1305_SPK_TEMP_PROTECTION_1 0x50
+#define RT1305_SPK_TEMP_PROTECTION_2 0x51
+#define RT1305_SPK_TEMP_PROTECTION_3 0x52
+#define RT1305_SPK_DC_DETECT_1 0x53
+#define RT1305_SPK_DC_DETECT_2 0x54
+#define RT1305_LOUDNESS 0x58
+#define RT1305_THERMAL_FOLD_BACK_1 0x5e
+#define RT1305_THERMAL_FOLD_BACK_2 0x5f
+#define RT1305_SILENCE_DETECT 0x60
+#define RT1305_ALC_DRC_1 0x62
+#define RT1305_ALC_DRC_2 0x63
+#define RT1305_ALC_DRC_3 0x64
+#define RT1305_ALC_DRC_4 0x65
+#define RT1305_PRIV_INDEX 0x6a
+#define RT1305_PRIV_DATA 0x6c
+#define RT1305_SPK_EXCURSION_LIMITER_7 0x76
+#define RT1305_VERSION_ID 0x7a
+#define RT1305_VENDOR_ID 0x7c
+#define RT1305_DEVICE_ID 0x7e
+#define RT1305_EFUSE_1 0x80
+#define RT1305_EFUSE_2 0x81
+#define RT1305_EFUSE_3 0x82
+#define RT1305_DC_CALIB_1 0x90
+#define RT1305_DC_CALIB_2 0x91
+#define RT1305_DC_CALIB_3 0x92
+#define RT1305_DAC_OFFSET_1 0x93
+#define RT1305_DAC_OFFSET_2 0x94
+#define RT1305_DAC_OFFSET_3 0x95
+#define RT1305_DAC_OFFSET_4 0x96
+#define RT1305_DAC_OFFSET_5 0x97
+#define RT1305_DAC_OFFSET_6 0x98
+#define RT1305_DAC_OFFSET_7 0x99
+#define RT1305_DAC_OFFSET_8 0x9a
+#define RT1305_DAC_OFFSET_9 0x9b
+#define RT1305_DAC_OFFSET_10 0x9c
+#define RT1305_DAC_OFFSET_11 0x9d
+#define RT1305_DAC_OFFSET_12 0x9e
+#define RT1305_DAC_OFFSET_13 0x9f
+#define RT1305_DAC_OFFSET_14 0xa0
+#define RT1305_TRIM_1 0xb0
+#define RT1305_TRIM_2 0xb1
+#define RT1305_TUNE_INTERNAL_OSC 0xb2
+#define RT1305_BIQUAD1_H0_L_28_16 0xc0
+#define RT1305_BIQUAD3_A2_R_15_0 0xfb
+#define RT1305_MAX_REG 0xff
+
+/* CLOCK-1 (0x04) */
+#define RT1305_SEL_PLL_SRC_2_MASK (0x1 << 15)
+#define RT1305_SEL_PLL_SRC_2_SFT 15
+#define RT1305_SEL_PLL_SRC_2_MCLK (0x0 << 15)
+#define RT1305_SEL_PLL_SRC_2_RCCLK (0x1 << 15)
+#define RT1305_DIV_PLL_SRC_2_MASK (0x3 << 13)
+#define RT1305_DIV_PLL_SRC_2_SFT 13
+#define RT1305_SEL_PLL_SRC_1_MASK (0x3 << 10)
+#define RT1305_SEL_PLL_SRC_1_SFT 10
+#define RT1305_SEL_PLL_SRC_1_PLL2 (0x0 << 10)
+#define RT1305_SEL_PLL_SRC_1_BCLK (0x1 << 10)
+#define RT1305_SEL_PLL_SRC_1_DFLL (0x2 << 10)
+#define RT1305_SEL_FS_SYS_PRE_MASK (0x3 << 8)
+#define RT1305_SEL_FS_SYS_PRE_SFT 8
+#define RT1305_SEL_FS_SYS_PRE_MCLK (0x0 << 8)
+#define RT1305_SEL_FS_SYS_PRE_PLL (0x1 << 8)
+#define RT1305_SEL_FS_SYS_PRE_RCCLK (0x2 << 8)
+#define RT1305_DIV_FS_SYS_MASK (0x7 << 4)
+#define RT1305_DIV_FS_SYS_SFT 4
+
+/* PLL1M/N/K Code-1 (0x0c) */
+#define RT1305_PLL_1_M_SFT 12
+#define RT1305_PLL_1_M_BYPASS_MASK (0x1 << 11)
+#define RT1305_PLL_1_M_BYPASS_SFT 11
+#define RT1305_PLL_1_M_BYPASS (0x1 << 11)
+#define RT1305_PLL_1_N_MASK (0x1ff << 0)
+
+/* DAC Setting (0x14) */
+#define RT1305_DVOL_MUTE_L_EN_SFT 15
+#define RT1305_DVOL_MUTE_R_EN_SFT 14
+
+/* I2S Setting-1 (0x2d) */
+#define RT1305_SEL_I2S_OUT_MODE_MASK (0x1 << 15)
+#define RT1305_SEL_I2S_OUT_MODE_SFT 15
+#define RT1305_SEL_I2S_OUT_MODE_S (0x0 << 15)
+#define RT1305_SEL_I2S_OUT_MODE_M (0x1 << 15)
+
+/* I2S Setting-2 (0x2e) */
+#define RT1305_I2S_DF_SEL_MASK (0x3 << 12)
+#define RT1305_I2S_DF_SEL_SFT 12
+#define RT1305_I2S_DF_SEL_I2S (0x0 << 12)
+#define RT1305_I2S_DF_SEL_LEFT (0x1 << 12)
+#define RT1305_I2S_DF_SEL_PCM_A (0x2 << 12)
+#define RT1305_I2S_DF_SEL_PCM_B (0x3 << 12)
+#define RT1305_I2S_DL_SEL_MASK (0x3 << 10)
+#define RT1305_I2S_DL_SEL_SFT 10
+#define RT1305_I2S_DL_SEL_16B (0x0 << 10)
+#define RT1305_I2S_DL_SEL_20B (0x1 << 10)
+#define RT1305_I2S_DL_SEL_24B (0x2 << 10)
+#define RT1305_I2S_DL_SEL_8B (0x3 << 10)
+#define RT1305_I2S_BCLK_MASK (0x1 << 9)
+#define RT1305_I2S_BCLK_SFT 9
+#define RT1305_I2S_BCLK_NORMAL (0x0 << 9)
+#define RT1305_I2S_BCLK_INV (0x1 << 9)
+
+/* Power Control-1 (0x3a) */
+#define RT1305_POW_PDB_JD_MASK (0x1 << 12)
+#define RT1305_POW_PDB_JD (0x1 << 12)
+#define RT1305_POW_PDB_JD_BIT 12
+#define RT1305_POW_PLL0_EN (0x1 << 11)
+#define RT1305_POW_PLL0_EN_BIT 11
+#define RT1305_POW_PLL1_EN (0x1 << 10)
+#define RT1305_POW_PLL1_EN_BIT 10
+#define RT1305_POW_PDB_JD_POLARITY (0x1 << 9)
+#define RT1305_POW_PDB_JD_POLARITY_BIT 9
+#define RT1305_POW_MBIAS_LV (0x1 << 8)
+#define RT1305_POW_MBIAS_LV_BIT 8
+#define RT1305_POW_BG_MBIAS_LV (0x1 << 7)
+#define RT1305_POW_BG_MBIAS_LV_BIT 7
+#define RT1305_POW_LDO2 (0x1 << 6)
+#define RT1305_POW_LDO2_BIT 6
+#define RT1305_POW_BG2 (0x1 << 5)
+#define RT1305_POW_BG2_BIT 5
+#define RT1305_POW_LDO2_IB2 (0x1 << 4)
+#define RT1305_POW_LDO2_IB2_BIT 4
+#define RT1305_POW_VREF (0x1 << 3)
+#define RT1305_POW_VREF_BIT 3
+#define RT1305_POW_VREF1 (0x1 << 2)
+#define RT1305_POW_VREF1_BIT 2
+#define RT1305_POW_VREF2 (0x1 << 1)
+#define RT1305_POW_VREF2_BIT 1
+
+/* Power Control-2 (0x3b) */
+#define RT1305_POW_DISC_VREF (1 << 15)
+#define RT1305_POW_DISC_VREF_BIT 15
+#define RT1305_POW_FASTB_VREF (1 << 14)
+#define RT1305_POW_FASTB_VREF_BIT 14
+#define RT1305_POW_ULTRA_FAST_VREF (1 << 13)
+#define RT1305_POW_ULTRA_FAST_VREF_BIT 13
+#define RT1305_POW_CKXEN_DAC (1 << 12)
+#define RT1305_POW_CKXEN_DAC_BIT 12
+#define RT1305_POW_EN_CKGEN_DAC (1 << 11)
+#define RT1305_POW_EN_CKGEN_DAC_BIT 11
+#define RT1305_POW_DAC1_L (1 << 10)
+#define RT1305_POW_DAC1_L_BIT 10
+#define RT1305_POW_DAC1_R (1 << 9)
+#define RT1305_POW_DAC1_R_BIT 9
+#define RT1305_POW_CLAMP (1 << 8)
+#define RT1305_POW_CLAMP_BIT 8
+#define RT1305_POW_BUFL (1 << 7)
+#define RT1305_POW_BUFL_BIT 7
+#define RT1305_POW_BUFR (1 << 6)
+#define RT1305_POW_BUFR_BIT 6
+#define RT1305_POW_EN_CKGEN_ADC (1 << 5)
+#define RT1305_POW_EN_CKGEN_ADC_BIT 5
+#define RT1305_POW_ADC3_L (1 << 4)
+#define RT1305_POW_ADC3_L_BIT 4
+#define RT1305_POW_ADC3_R (1 << 3)
+#define RT1305_POW_ADC3_R_BIT 3
+#define RT1305_POW_TRIOSC (1 << 2)
+#define RT1305_POW_TRIOSC_BIT 2
+#define RT1305_POR_AVDD1 (1 << 1)
+#define RT1305_POR_AVDD1_BIT 1
+#define RT1305_POR_AVDD2 (1 << 0)
+#define RT1305_POR_AVDD2_BIT 0
+
+/* Power Control-3 (0x3c) */
+#define RT1305_POW_VSENSE_RCH (1 << 15)
+#define RT1305_POW_VSENSE_RCH_BIT 15
+#define RT1305_POW_VSENSE_LCH (1 << 14)
+#define RT1305_POW_VSENSE_LCH_BIT 14
+#define RT1305_POW_ISENSE_RCH (1 << 13)
+#define RT1305_POW_ISENSE_RCH_BIT 13
+#define RT1305_POW_ISENSE_LCH (1 << 12)
+#define RT1305_POW_ISENSE_LCH_BIT 12
+#define RT1305_POW_POR_AVDD1 (1 << 11)
+#define RT1305_POW_POR_AVDD1_BIT 11
+#define RT1305_POW_POR_AVDD2 (1 << 10)
+#define RT1305_POW_POR_AVDD2_BIT 10
+#define RT1305_EN_K_HV (1 << 9)
+#define RT1305_EN_K_HV_BIT 9
+#define RT1305_EN_PRE_K_HV (1 << 8)
+#define RT1305_EN_PRE_K_HV_BIT 8
+#define RT1305_EN_EFUSE_1P8V (1 << 7)
+#define RT1305_EN_EFUSE_1P8V_BIT 7
+#define RT1305_EN_EFUSE_5V (1 << 6)
+#define RT1305_EN_EFUSE_5V_BIT 6
+#define RT1305_EN_VCM_6172 (1 << 5)
+#define RT1305_EN_VCM_6172_BIT 5
+#define RT1305_POR_EFUSE (1 << 4)
+#define RT1305_POR_EFUSE_BIT 4
+
+/* Clock Detect (0x3f) */
+#define RT1305_SEL_CLK_DET_SRC_MASK (0x1 << 12)
+#define RT1305_SEL_CLK_DET_SRC_SFT 12
+#define RT1305_SEL_CLK_DET_SRC_MCLK (0x0 << 12)
+#define RT1305_SEL_CLK_DET_SRC_BCLK (0x1 << 12)
+
+
+/* System Clock Source */
+enum {
+ RT1305_FS_SYS_PRE_S_MCLK,
+ RT1305_FS_SYS_PRE_S_PLL1,
+ RT1305_FS_SYS_PRE_S_RCCLK, /* 98.304M Hz */
+};
+
+/* PLL Source 1/2 */
+enum {
+ RT1305_PLL1_S_BCLK,
+ RT1305_PLL2_S_MCLK,
+ RT1305_PLL2_S_RCCLK, /* 98.304M Hz */
+};
+
+enum {
+ RT1305_AIF1,
+ RT1305_AIFS
+};
+
+#define R0_UPPER 0x2E8BA2 //5.5 ohm
+#define R0_LOWER 0x666666 //2.5 ohm
+
+#endif /* end of _RT1305_H_ */