Add support for Cirrus Logic CS43130 codec.
Support I2C control and I2S audio playback.
Signed-off-by: Li Xu <li.xu@xxxxxxxxxx>
---
sound/soc/codecs/Kconfig | 6 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/cs43130.c | 1164 ++++++++++++++++++++++++++++++++++++++++++++
sound/soc/codecs/cs43130.h | 268 ++++++++++
4 files changed, 1440 insertions(+)
create mode 100644 sound/soc/codecs/cs43130.c
create mode 100644 sound/soc/codecs/cs43130.h
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 9e1718a..d6ede2b 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -59,6 +59,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_CS4271_I2C if I2C
select SND_SOC_CS4271_SPI if SPI_MASTER
select SND_SOC_CS42XX8_I2C if I2C
+ select SND_SOC_CS43130 if I2C
select SND_SOC_CS4349 if I2C
select SND_SOC_CS47L24 if MFD_CS47L24
select SND_SOC_CS53L30 if I2C
@@ -473,6 +474,11 @@ config SND_SOC_CS42XX8_I2C
select SND_SOC_CS42XX8
select REGMAP_I2C
+# Cirrus Logic CS43130 HiFi DAC
+config SND_SOC_CS43130
+ tristate "Cirrus Logic CS43130 CODEC"
+ depends on I2C
+
# Cirrus Logic CS4349 HiFi DAC
config SND_SOC_CS4349
tristate "Cirrus Logic CS4349 CODEC"
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 7e1dad7..2f15228 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -52,6 +52,7 @@ snd-soc-cs4271-i2c-objs := cs4271-i2c.o
snd-soc-cs4271-spi-objs := cs4271-spi.o
snd-soc-cs42xx8-objs := cs42xx8.o
snd-soc-cs42xx8-i2c-objs := cs42xx8-i2c.o
+snd-soc-cs43130-objs := cs43130.o
snd-soc-cs4349-objs := cs4349.o
snd-soc-cs47l24-objs := cs47l24.o
snd-soc-cs53l30-objs := cs53l30.o
@@ -281,6 +282,7 @@ obj-$(CONFIG_SND_SOC_CS4271_I2C) += snd-soc-cs4271-i2c.o
obj-$(CONFIG_SND_SOC_CS4271_SPI) += snd-soc-cs4271-spi.o
obj-$(CONFIG_SND_SOC_CS42XX8) += snd-soc-cs42xx8.o
obj-$(CONFIG_SND_SOC_CS42XX8_I2C) += snd-soc-cs42xx8-i2c.o
+obj-$(CONFIG_SND_SOC_CS43130) += snd-soc-cs43130.o
obj-$(CONFIG_SND_SOC_CS4349) += snd-soc-cs4349.o
obj-$(CONFIG_SND_SOC_CS47L24) += snd-soc-cs47l24.o
obj-$(CONFIG_SND_SOC_CS53L30) += snd-soc-cs53l30.o
diff --git a/sound/soc/codecs/cs43130.c b/sound/soc/codecs/cs43130.c
new file mode 100644
index 0000000..79e4d2a
--- /dev/null
+++ b/sound/soc/codecs/cs43130.c
@@ -0,0 +1,1164 @@
+/*
+ * cs43130.c -- CS43130 ALSA Soc Audio driver
+ *
+ * Copyright 2016 Cirrus Logic, Inc.
+ *
+ * Authors: Li Xu <li.xu@xxxxxxxxxx>
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <linux/of_gpio.h>
+#include <linux/regulator/consumer.h>
+#include <linux/pm_runtime.h>
+#include <linux/of_irq.h>
+
+#include "cs43130.h"
+
+
+static const struct reg_default cs43130_reg_defaults[] = {
+ { CS43130_SYS_CLK_CTL_1, 0x06 },
+ { CS43130_SP_SRATE, 0x01 },
+ { CS43130_SP_BITSIZE, 0x05 },
+ { CS43130_PAD_INT_CFG, 0x03 },
+ { CS43130_PWDN_CTL, 0xFE },
+ { CS43130_CRYSTAL_SET, 0x04 },
+ { CS43130_PLL_SET_1, 0x00 },
+ { CS43130_PLL_SET_2, 0x00 },
+ { CS43130_PLL_SET_3, 0x00 },
+ { CS43130_PLL_SET_4, 0x00 },
+ { CS43130_PLL_SET_5, 0x40 },
+ { CS43130_PLL_SET_6, 0x10 },
+ { CS43130_PLL_SET_7, 0x80 },
+ { CS43130_PLL_SET_8, 0x03 },
+ { CS43130_PLL_SET_9, 0x02 },
+ { CS43130_PLL_SET_10, 0x02 },
+ { CS43130_CLKOUT_CTL, 0x00 },
+ { CS43130_ASP_NUM_1, 0x01 },
+ { CS43130_ASP_NUM_2, 0x00 },
+ { CS43130_ASP_DENOM_1, 0x08 },
+ { CS43130_ASP_DENOM_2, 0x00 },
+ { CS43130_ASP_LRCK_HI_TIME_1, 0x1F },
+ { CS43130_ASP_LRCK_HI_TIME_2, 0x00 },
+ { CS43130_ASP_LRCK_PERIOD_1, 0x3F },
+ { CS43130_ASP_LRCK_PERIOD_2, 0x00 },
+ { CS43130_ASP_CLOCK_CONF, 0x0C },
+ { CS43130_ASP_FRAME_CONF, 0x0A },
+ { CS43130_XSP_NUM_1, 0x01 },
+ { CS43130_XSP_NUM_2, 0x00 },
+ { CS43130_XSP_DENOM_1, 0x02 },
+ { CS43130_XSP_DENOM_2, 0x00 },
+ { CS43130_XSP_LRCK_HI_TIME_1, 0x1F },
+ { CS43130_XSP_LRCK_HI_TIME_2, 0x00 },
+ { CS43130_XSP_LRCK_PERIOD_1, 0x3F },
+ { CS43130_XSP_LRCK_PERIOD_2, 0x00 },
+ { CS43130_XSP_CLOCK_CONF, 0x0C },
+ { CS43130_XSP_FRAME_CONF, 0x0A },
+ { CS43130_ASP_CH_1_LOC, 0x00 },
+ { CS43130_ASP_CH_2_LOC, 0x00 },
+ { CS43130_ASP_CH_1_SZ_EN, 0x06 },
+ { CS43130_ASP_CH_2_SZ_EN, 0x0E },
+ { CS43130_XSP_CH_1_LOC, 0x00 },
+ { CS43130_XSP_CH_2_LOC, 0x00 },
+ { CS43130_XSP_CH_1_SZ_EN, 0x06 },
+ { CS43130_XSP_CH_2_SZ_EN, 0x0E },
+ { CS43130_DSD_VOL_B, 0x78 },
+ { CS43130_DSD_VOL_A, 0x78 },
+ { CS43130_DSD_PATH_CTL_1, 0xA8 },
+ { CS43130_DSD_INT_CFG, 0x00 },
+ { CS43130_DSD_PATH_CTL_2, 0x00 },
+ { CS43130_DSD_PCM_MIX_CTL, 0x00 },
+ { CS43130_DSD_PATH_CTL_3, 0x40 },
+ { CS43130_HP_OUT_CTL_1, 0x30 },
+ { CS43130_PCM_FILT_OPT, 0x02 },
+ { CS43130_PCM_VOL_B, 0x78 },
+ { CS43130_PCM_VOL_A, 0x78 },
+ { CS43130_PCM_PATH_CTL_1, 0xA8 },
+ { CS43130_PCM_PATH_CTL_2, 0x00 },
+ { CS43130_CLASS_H_CTL, 0x1E },
+ { CS43130_HP_DETECT, 0x04 },
+ { CS43130_HP_LOAD_1, 0x00 },
+ { CS43130_HP_MEAS_LOAD_1, 0x00 },
+ { CS43130_HP_MEAS_LOAD_2, 0x00 },
+ { CS43130_INT_MASK_1, 0xFF },
+ { CS43130_INT_MASK_2, 0xFF },
+ { CS43130_INT_MASK_3, 0xFF },
+ { CS43130_INT_MASK_4, 0xFF },
+ { CS43130_INT_MASK_5, 0xFF },
+};
+
+static bool cs43130_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool cs43130_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS43130_DEVID_AB ... CS43130_SYS_CLK_CTL_1:
+ case CS43130_SP_SRATE ... CS43130_PAD_INT_CFG:
+ case CS43130_DXD1:
+ case CS43130_PWDN_CTL:
+ case CS43130_DXD2:
+ case CS43130_CRYSTAL_SET:
+ case CS43130_PLL_SET_1 ... CS43130_PLL_SET_5:
+ case CS43130_PLL_SET_6:
+ case CS43130_PLL_SET_7:
+ case CS43130_PLL_SET_8:
+ case CS43130_PLL_SET_9:
+ case CS43130_PLL_SET_10:
+ case CS43130_CLKOUT_CTL:
+ case CS43130_ASP_NUM_1 ... CS43130_ASP_FRAME_CONF:
+ case CS43130_XSP_NUM_1 ... CS43130_XSP_FRAME_CONF:
+ case CS43130_ASP_CH_1_LOC:
+ case CS43130_ASP_CH_2_LOC:
+ case CS43130_ASP_CH_1_SZ_EN:
+ case CS43130_ASP_CH_2_SZ_EN:
+ case CS43130_XSP_CH_1_LOC:
+ case CS43130_XSP_CH_2_LOC:
+ case CS43130_XSP_CH_1_SZ_EN:
+ case CS43130_XSP_CH_2_SZ_EN:
+ case CS43130_DSD_VOL_B ... CS43130_DSD_PATH_CTL_3:
+ case CS43130_HP_OUT_CTL_1:
+ case CS43130_PCM_FILT_OPT ... CS43130_PCM_PATH_CTL_2:
+ case CS43130_CLASS_H_CTL:
+ case CS43130_HP_DETECT:
+ case CS43130_HP_STATUS:
+ case CS43130_HP_LOAD_1:
+ case CS43130_HP_MEAS_LOAD_1:
+ case CS43130_HP_MEAS_LOAD_2:
+ case CS43130_HP_DC_STAT_1:
+ case CS43130_HP_DC_STAT_2:
+ case CS43130_HP_AC_STAT_1:
+ case CS43130_HP_AC_STAT_2:
+ case CS43130_HP_LOAD_STAT:
+ case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
+ case CS43130_INT_MASK_1 ... CS43130_INT_MASK_5:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool cs43130_precious_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
+ return true;
+ default:
+ return false;
+ }
+}
+
+struct cs43130_pll_params {
+ u32 pll_in;
+ u8 mclk_int;
+ u8 sclk_prediv;
+ u8 pll_div_int;
+ u32 pll_div_frac;
+ u8 pll_mode;
+ u8 pll_divout;
+ u32 pll_out;
+ u8 pll_cal_ratio;
+};
+
+static const struct cs43130_pll_params pll_ratio_table[] = {
+ { 9600000, 1, 0x02, 0x49, 0x800000, 0x00, 0x08, 22579200, 151 },
+ { 9600000, 0, 0x02, 0x50, 0x000000, 0x00, 0x08, 24576000, 164 },
+
+ { 11289600, 1, 0x02, 0X40, 0, 0x01, 0x08, 22579200, 128 },
+ { 11289600, 0, 0x02, 0x44, 0x06F700, 0x0, 0x08, 24576000, 139 },
+
+ { 12000000, 1, 0x02, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120 },
+ { 12000000, 0, 0x02, 0x40, 0x000000, 0x00, 0x08, 24576000, 131 },
+
+ { 12288000, 1, 0x02, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118 },
+ { 12288000, 0, 0x02, 0x40, 0x000000, 0x01, 0x08, 24576000, 128 },
+
+ { 13000000, 1, 0x02, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118 },
+ { 13000000, 0, 0x02, 0x40, 0x000000, 0x01, 0x08, 24576000, 128 },
+
+ { 19200000, 1, 0x02, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111 },
+ { 19200000, 0, 0x02, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121 },
+
+ { 22579200, 1, 0, 0, 0, 0, 0, 22579200, 0 },
+ { 22579200, 0, 0x03, 0x44, 0x06F700, 0x00, 0x08, 24576000, 139 },
+
+ { 24000000, 1, 0x03, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120 },
+ { 24000000, 0, 0x03, 0x40, 0x000000, 0x00, 0x08, 24576000, 131 },
+
+ { 24576000, 1, 0x03, 0x49, 0x800000, 0x01, 0x0A, 22579200, 128 },
+ { 24576000, 0, 0, 0, 0, 0, 0, 24576000, 0 },
+
+ { 26000000, 1, 0x03, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111 },
+ { 26000000, 0, 0x03, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121 },
+};
+
+static int cs43130_pll_config(struct snd_soc_codec *codec)
+{
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+ int i;
+
+ dev_dbg(codec->dev, "%s: cs43130->mclk = %d, cs43130->pll_out = %d",
+ __func__, cs43130->mclk, cs43130->pll_out);
+ for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) {
+ if (pll_ratio_table[i].pll_in == cs43130->mclk &&
+ pll_ratio_table[i].pll_out == cs43130->pll_out) {
+
+ cs43130->mclk_int = pll_ratio_table[i].mclk_int;
+
+ if (pll_ratio_table[i].pll_cal_ratio == 0) {
+ if (cs43130->xtal_ibias > 0) {
+ usleep_range(1000, 1050);
+ /*PDN_XTAL = 0,enable*/
+ regmap_update_bits(cs43130->regmap,
+ CS43130_PWDN_CTL,
+ CS43130_PDN_XTAL_MASK,
+ 0 << CS43130_PDN_XTAL_SHIFT);
+ }
+
+ /* PLL_START = 0, disable PLL_START */
+ regmap_update_bits(cs43130->regmap,
+ CS43130_PLL_SET_1,
+ CS43130_PLL_START_MASK,
+ 0 << CS43130_PLL_START_MASK);
+
+ cs43130->pll_bypass = true;
+ return 0;
+ }
+
+ /* PDN_PLL= 0,enable */
+ regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+ CS43130_PDN_PLL_MASK,
+ 0 << CS43130_PDN_PLL_SHIFT);
+
+ regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_9,
+ CS43130_PLL_REF_PREDIV_MASK,
+ pll_ratio_table[i].sclk_prediv);
+
+ regmap_write(cs43130->regmap, CS43130_PLL_SET_5,
+ pll_ratio_table[i].pll_div_int);
+
+ regmap_write(cs43130->regmap, CS43130_PLL_SET_2,
+ pll_ratio_table[i].pll_div_frac &
+ CS43130_7_0_MASK);
+
+ regmap_write(cs43130->regmap, CS43130_PLL_SET_3,
+ (pll_ratio_table[i].pll_div_frac &
+ CS43130_15_8_MASK) >> 8);
+
+ regmap_write(cs43130->regmap, CS43130_PLL_SET_4,
+ (pll_ratio_table[i].pll_div_frac &
+ CS43130_23_16_MASK) >> 16);
+
+ regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_8,
+ CS43130_PLL_MODE_MASK,
+ pll_ratio_table[i].pll_mode
+ << CS43130_PLL_MODE_SHIFT);
+
+ regmap_write(cs43130->regmap, CS43130_PLL_SET_6,
+ pll_ratio_table[i].pll_divout);
+
+ regmap_write(cs43130->regmap, CS43130_PLL_SET_7,
+ pll_ratio_table[i].pll_cal_ratio);
+
+ /* PLL_START = 1, enable PLL_START */
+ regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1,
+ CS43130_PLL_START_MASK, CS43130_PLL_START_MASK);
+ cs43130->pll_bypass = false;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+static int cs43130_format_config(struct snd_soc_codec *codec)
+{
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+ int period_size = 0;
+ int pulse_width = 0;
+ int asp_fsd;
+ int asp_stp;
+ int bick_inv;
+ int asp_m = 0;
+ int asp_sprate = 0;
+ int ret = 0;
+ unsigned int bitwidth_sclk = (cs43130->sclk / cs43130->fs) / 2;
+ unsigned int bitwidth_dai = (cs43130->dai_bit + 1) * 8;
+
+ if (cs43130->fs) {
+ if (bitwidth_sclk < bitwidth_dai) {
+ dev_err(codec->dev, "Format not supported\n");
+ return -EINVAL;
+ }
+ period_size = cs43130->sclk / cs43130->fs;
+ pulse_width = period_size/2;
+
+ if (cs43130->sclk != 0)
+ asp_m = cs43130->pll_out / cs43130->sclk;
+ }
+ dev_dbg(codec->dev, "%s: cs43130->sclk = %d, cs43130->fs = %d, cs43130->dai_bit = %d",
+ __func__, cs43130->sclk, cs43130->fs, cs43130->dai_bit);
+ dev_dbg(codec->dev, "%s: period_size = %d, pulse_width = %d, asp_m = %d",
+ __func__, period_size, pulse_width, asp_m);
+
+ if (cs43130->dai_format) {
+ /*MSB*/
+ bick_inv = 0;
+ asp_fsd = 0;
+ asp_stp = 1;
+
+ } else {
+ /*I2S*/
+ bick_inv = 1;
+ asp_fsd = 2; /* one bick delay */
+ asp_stp = 0;
+ }
+ dev_dbg(codec->dev,
+ "%s: cs43130->dai_format = %d, bick_inv = %d, asp_fsd = %d, asp_stp = %d",
+ __func__, cs43130->dai_format, bick_inv, asp_fsd, asp_stp);
+
+ switch (cs43130->fs) {
+ case 32000:
+ asp_sprate = CS43130_ASP_SPRATE_32K;
+ break;
+ case 44100:
+ asp_sprate = CS43130_ASP_SPRATE_44_1K;
+ break;
+ case 48000:
+ asp_sprate = CS43130_ASP_SPRATE_48K;
+ break;
+ case 88200:
+ asp_sprate = CS43130_ASP_SPRATE_88_2K;
+ break;
+ case 96000:
+ asp_sprate = CS43130_ASP_SPRATE_96K;
+ break;
+ case 176400:
+ asp_sprate = CS43130_ASP_SPRATE_176_4K;
+ break;
+ case 192000:
+ asp_sprate = CS43130_ASP_SPRATE_192K;
+ break;
+ case 352800:
+ asp_sprate = CS43130_ASP_SPRATE_352_8K;
+ break;
+ case 384000:
+ asp_sprate = CS43130_ASP_SPRATE_384K;
+ break;
+ default:
+ dev_err(codec->dev, "sample rate(%d) not supported\n",
+ cs43130->fs);
+ return -EINVAL;
+ }
+ dev_dbg(codec->dev, "%s: asp_sprate = %d, cs43130->asp_size = %d",
+ __func__, asp_sprate, cs43130->asp_size);
+
+ /* ASP_SPRATE = fs*/
+ regmap_write(cs43130->regmap, CS43130_SP_SRATE, asp_sprate);
+ /*ASP_SPSIZE*/
+ regmap_update_bits(cs43130->regmap, CS43130_SP_BITSIZE,
+ CS43130_SP_BITSIZE_ASP_MASK, cs43130->asp_size);
+
+
+ /* Set up slave mode */
+ /*BICK = ASP_N/ASP_M * PLL_OUT */
+ /* ASP_N = 1 */
+ regmap_write(cs43130->regmap, CS43130_ASP_NUM_1, 1);
+ regmap_write(cs43130->regmap, CS43130_ASP_NUM_2, 0);
+
+ /*ASP_M*/
+ regmap_write(cs43130->regmap, CS43130_ASP_DENOM_1, asp_m & 0xff);
+ regmap_write(cs43130->regmap, CS43130_ASP_DENOM_2, (asp_m >> 8) & 0x3f);
+
+
+ /* H / L ratio of LRCK*/
+ regmap_write(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_1,
+ (pulse_width-1) & 0xff);
+ regmap_write(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_2,
+ ((pulse_width-1) >> 8) & 0xff);
+
+ /* the period of LRCK*/
+ regmap_write(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_1,
+ (period_size-1) & 0xff);
+ regmap_write(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_2,
+ ((period_size-1) >> 8) & 0xff);
+
+ /*resolution*/
+ regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_1_SZ_EN,
+ CS43130_SP_BITSIZE_ASP_MASK, cs43130->dai_bit);
+ regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_2_SZ_EN,
+ CS43130_SP_BITSIZE_ASP_MASK, cs43130->dai_bit);
+
+ regmap_update_bits(cs43130->regmap, CS43130_ASP_FRAME_CONF,
+ CS43130_ASP_FSD_MASK, asp_fsd << CS43130_ASP_FSD_SHIFT);
+
+ regmap_update_bits(cs43130->regmap, CS43130_ASP_FRAME_CONF,
+ CS43130_ASP_STP_MASK, asp_stp << CS43130_ASP_STP_SHIFT);
+
+ /* set clk master/slave */
+ dev_dbg(codec->dev, "%s: cs43130->dai_mode = %d",
+ __func__, cs43130->dai_mode);
+ regmap_update_bits(cs43130->regmap, CS43130_ASP_CLOCK_CONF,
+ CS43130_ASP_MODE_MASK, cs43130->dai_mode << CS43130_ASP_MODE_SHIFT);
+
+ return ret;
+}
+
+static int cs43130_change_clksrc(struct snd_soc_codec *codec,
+ enum cs43130_mclk_src_sel src)
+{
+ int ret = 0;
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+ regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
+ CS43130_MCLK_SRC_SEL_MASK, src << CS43130_MCLK_SRC_SEL_SHIFT);
+ regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
+ CS43130_MCLK_INT_MASK, cs43130->mclk_int << CS43130_MCLK_INT_SHIFT);
+
+ usleep_range(150, 200);
+
+ return ret;
+}
+
+static int cs43130_pcm_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 cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+ unsigned int bitwidth;
+ int ret = 0;
+
+ cs43130->fs = params_rate(params);
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S8:
+ cs43130->dai_bit = CS43130_SP_BIT_SIZE_8;
+ cs43130->asp_size = CS43130_SP_BIT_SIZE_32;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ cs43130->dai_bit = CS43130_SP_BIT_SIZE_16;
+ cs43130->asp_size = CS43130_SP_BIT_SIZE_24;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ cs43130->dai_bit = CS43130_SP_BIT_SIZE_24;
+ cs43130->asp_size = CS43130_SP_BIT_SIZE_16;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ cs43130->dai_bit = CS43130_SP_BIT_SIZE_32;
+ cs43130->asp_size = CS43130_SP_BIT_SIZE_8;
+ break;
+ default:
+ dev_err(codec->dev, "Format(%d) not supported",
+ params_format(params));
+ return -EINVAL;
+ }
+
+ bitwidth = (cs43130->dai_bit+1)*8;
+ dev_dbg(codec->dev, "(data bit)%d: (rate)%d",
+ bitwidth, cs43130->fs);
+
+ ret = cs43130_format_config(codec);
+ return ret;
+}
+
+static const DECLARE_TLV_DB_SCALE(pcm_vol_tlv, -12750, 50, 1);
+
+static const struct snd_kcontrol_new cs43130_snd_controls[] = {
+ SOC_DOUBLE_R_TLV("Master Playback Volume",
+ CS43130_PCM_VOL_A, CS43130_PCM_VOL_B, 0, 0xFF, 1,
+ pcm_vol_tlv),
+ SOC_SINGLE("Swap L/R", CS43130_PCM_PATH_CTL_2, 1, 1, 0),
+ SOC_SINGLE("Copy L/R", CS43130_PCM_PATH_CTL_2, 0, 1, 0),
+};
+
+static int cs43130_aspin_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ if (cs43130->pll_bypass)
+ cs43130_change_clksrc(codec, CS43130_MCLK_SRC_XTAL);
+ else
+ cs43130_change_clksrc(codec, CS43130_MCLK_SRC_PLL);
+
+ usleep_range(10000, 10050);
+ /* ASP_3ST = 0 in master mode */
+ if (cs43130->dai_mode)
+ regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
+ 0x01, 0x00);
+
+ regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+ CS43130_PDN_CLKOUT_MASK, 0
+ << CS43130_PDN_CLKOUT_SHIFT);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ break;
+ default:
+ dev_err(codec->dev, "Invalid ASPOUT event = 0x%x\n", event);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int cs43130_dac_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMD:
+ cs43130_change_clksrc(codec, CS43130_MCLK_SRC_RCO);
+
+ regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+ CS43130_PDN_XTAL_MASK, 1
+ << CS43130_PDN_XTAL_SHIFT);
+ regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
+ CS43130_PDN_PLL_MASK, 1
+ << CS43130_PDN_PLL_SHIFT);
+ break;
+ default:
+ dev_err(codec->dev, "Invalid DAC event = 0x%x\n", event);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int cs43130_hpin_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMD:
+ regmap_write(cs43130->regmap, CS43130_DXD1, 0x99);
+ regmap_update_bits(cs43130->regmap, CS43130_HP_OUT_CTL_1,
+ CS43130_HP_IN_EN_MASK, 0 << CS43130_HP_IN_EN_SHIFT);
+ regmap_write(cs43130->regmap, CS43130_DXD2, 0x00);
+ regmap_write(cs43130->regmap, CS43130_DXD1, 0x00);
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ regmap_write(cs43130->regmap, CS43130_DXD1, 0x99);
+ regmap_write(cs43130->regmap, CS43130_DXD2, 0x01);
+ regmap_update_bits(cs43130->regmap, CS43130_HP_OUT_CTL_1,
+ CS43130_HP_IN_EN_MASK, 1 << CS43130_HP_IN_EN_SHIFT);
+ regmap_write(cs43130->regmap, CS43130_DXD1, 0x00);
+ break;
+ default:
+ dev_err(codec->dev, "Invalid HPIN event = 0x%x\n", event);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget cs43130_dapm_widgets[] = {
+
+ SND_SOC_DAPM_OUTPUT("HPOUTA"),
+ SND_SOC_DAPM_OUTPUT("HPOUTB"),
+
+ SND_SOC_DAPM_AIF_IN_E("ASPIN", NULL, 0, CS43130_PWDN_CTL,
+ CS43130_PDN_ASP_SHIFT, 1, cs43130_aspin_event,
+ (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)),
+
+ SND_SOC_DAPM_DAC_E("HiFi DAC",
+ NULL, CS43130_PWDN_CTL, CS43130_PDN_HP_SHIFT, 1,
+ cs43130_dac_event,
+ (SND_SOC_DAPM_PRE_PMD)
+ ),
+
+ SND_SOC_DAPM_LINE("Analog Playback", cs43130_hpin_event),
+};
+
+static const struct snd_soc_dapm_route cs43130_routes[] = {
+ {"ASPIN", NULL, "DAC Playback"},
+ {"HiFi DAC", NULL, "ASPIN"},
+
+ {"HPOUTA", NULL, "HiFi DAC"},
+ {"HPOUTB", NULL, "HiFi DAC"},
+ {"HPOUTA", NULL, "Analog Playback"},
+ {"HPOUTB", NULL, "Analog Playback"},
+};
+
+static const unsigned int cs43130_src_rates[] = {
+ 32000, 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000
+};
+
+static const struct snd_pcm_hw_constraint_list cs43130_constraints = {
+ .count = ARRAY_SIZE(cs43130_src_rates),
+ .list = cs43130_src_rates,
+};
+
+static int cs43130_pcm_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &cs43130_constraints);
+ return 0;
+}
+
+static int cs43130_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ cs43130->dai_mode = CS43130_SLAVE_MODE;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ cs43130->dai_mode = CS43130_MASTER_MODE;
+ break;
+ default:
+ dev_err(codec->dev, "unsupported i2s master mode\n");
+ return -EINVAL;
+ }
+
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ cs43130->dai_format = 0;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ cs43130->dai_format = 1;
+ break;
+ default:
+ dev_err(codec->dev, "unsupported audio format except I2S and MSB\n");
+ return -EINVAL;
+ }
+
+ /* BICK/LRCK pority */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ cs43130->bick_invert = false;
+ cs43130->lrck_invert = false;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ cs43130->bick_invert = true;
+ cs43130->lrck_invert = false;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ cs43130->bick_invert = false;
+ cs43130->lrck_invert = true;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ cs43130->bick_invert = true;
+ cs43130->lrck_invert = true;
+ break;
+ default:
+ dev_err(codec->dev, "unsupported audio polarity\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+
+static int cs43130_set_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0;
+ unsigned int reg;
+ u8 mute_reg;
+
+ regmap_read(cs43130->regmap, CS43130_PCM_PATH_CTL_1, ®);
+ mute_reg = reg & 0xfc;
+ if (mute)
+ regmap_write(cs43130->regmap, CS43130_PCM_PATH_CTL_1,
+ mute_reg | 0x03);
+ else
+ regmap_write(cs43130->regmap, CS43130_PCM_PATH_CTL_1, mute_reg);
+
+ return ret;
+}
+
+static int cs43130_set_clkdiv(struct snd_soc_dai *dai, int div_id, int div)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+
+ switch (div_id) {
+ case CS43130_AIF_BICK_RATE:
+ cs43130->bick = div;
+ break;
+ default:
+ dev_err(codec->dev,
+ "Unsupported divide value: div_id = %d", div_id);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int cs43130_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
+ unsigned int freq_in, unsigned int freq_out)
+{
+ int ret = 0;
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+ if (freq_in < 9600000 || freq_in > 26000000) {
+ dev_err(codec->dev,
+ "unsupported pll input reference clock:%d\n", freq_in);
+ return -EINVAL;
+ }
+
+ switch (freq_in) {
+ case 9600000:
+ case 11289600:
+ case 12000000:
+ case 12288000:
+ case 13000000:
+ case 19200000:
+ case 22579200:
+ case 24000000:
+ case 24576000:
+ case 26000000:
+ cs43130->mclk = freq_in;
+ break;
+ default:
+ dev_err(codec->dev,
+ "unsupported pll input reference clock:%d\n", freq_in);
+ return -EINVAL;
+ }
+
+ switch (freq_out) {
+ case 22579200:
+ cs43130->pll_out = freq_out;
+ cs43130->mclk_int = 1;
+ break;
+ case 24576000:
+ cs43130->pll_out = freq_out;
+ cs43130->mclk_int = 0;
+ break;
+ default:
+ dev_err(codec->dev,
+ "unsupported pll output reference clock:%d\n",
+ freq_out);
+ return -EINVAL;
+ }
+
+ ret = cs43130_pll_config(codec);
+ dev_dbg(codec->dev, "%s: cs43130->pll_bypass = %d",
+ __func__, cs43130->pll_bypass);
+ return ret;
+}
+
+static int cs43130_dai_set_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+ dev_dbg(codec->dev, "%s: clk_id = %d, freq = %d, dir = %d",
+ __func__, clk_id, freq, dir);
+ cs43130->sclk = freq;
+ return 0;
+}
+
+static const struct snd_soc_dai_ops cs43130_dai_ops = {
+ .startup = cs43130_pcm_startup,
+ .hw_params = cs43130_pcm_hw_params,
+ .set_sysclk = cs43130_dai_set_sysclk,
+ .set_fmt = cs43130_set_dai_fmt,
+ .digital_mute = cs43130_set_mute,
+ .set_clkdiv = cs43130_set_clkdiv,
+};
+
+static struct snd_soc_dai_driver cs43130_dai[] = {
+ {
+ .name = "cs43130_hifi",
+ .id = 0,
+ .playback = {
+ .stream_name = "DAC Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS43130_ASP_FORMATS,
+ },
+ .ops = &cs43130_dai_ops,
+ .symmetric_rates = 1,
+ },
+ {
+ .name = "cs43130-xsp",
+ .id = 1,
+ .playback = {
+ .stream_name = "XSP Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS43130_XSP_FORMATS,
+ },
+ .symmetric_rates = 1,
+ },
+};
+
+static int cs43130_codec_set_sysclk(struct snd_soc_codec *codec,
+ int clk_id, int source, unsigned int freq, int dir)
+{
+ /* 24576000 is not supported */
+ unsigned int mclk_int_freq = 22579200;
+
+ dev_dbg(codec->dev, "%s: clk_id = %d, source = %d, freq = %d, dir = %d\n",
+ __func__, clk_id, source, freq, dir);
+ /*
+ * freq is external mclk freq
+ * if freq == mclk_int_freq, pll is bypassed
+ * modify mclk_int_freq as needed for application
+ */
+ cs43130_set_pll(codec, 0, 0, freq, mclk_int_freq);
+ return 0;
+}
+
+static irqreturn_t cs43130_irq_thread(int irq, void *data)
+{
+ struct cs43130_private *cs43130 =
+ (struct cs43130_private *)data;
+ struct snd_soc_codec *codec = cs43130->codec;
+ unsigned int stickies[CS43130_NUM_INT];
+ unsigned int masks[CS43130_NUM_INT];
+ unsigned int i;
+
+ /* Read all INT status and mask reg */
+ regmap_bulk_read(cs43130->regmap, CS43130_INT_STATUS_1,
+ stickies, CS43130_NUM_INT * sizeof(unsigned int));
+ regmap_bulk_read(cs43130->regmap, CS43130_INT_MASK_1,
+ masks, CS43130_NUM_INT * sizeof(unsigned int));
+
+ for (i = 0; i < ARRAY_SIZE(stickies); i++)
+ stickies[i] = stickies[i] & (~masks[i]);
+
+ if (stickies[0] & CS43130_XTAL_RDY_INT)
+ dev_dbg(codec->dev, "%s: Crystal ready", __func__);
+
+ if (stickies[0] & CS43130_XTAL_ERR_INT)
+ dev_err(codec->dev, "%s: Crystal err", __func__);
+
+ if (stickies[0] & CS43130_HP_PLUG_INT)
+ dev_dbg(codec->dev, "%s: HP plugged", __func__);
+
+ if (stickies[0] & CS43130_HP_UNPLUG_INT)
+ dev_dbg(codec->dev, "%s: HP unplugged", __func__);
+
+ return IRQ_HANDLED;
+}
+
+static int cs43130_probe(struct snd_soc_codec *codec)
+{
+ struct cs43130_private *cs43130 = snd_soc_codec_get_drvdata(codec);
+
+ cs43130->codec = codec;
+
+ return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_cs43130 = {
+ .probe = cs43130_probe,
+ .component_driver = {
+ .controls = cs43130_snd_controls,
+ .num_controls = ARRAY_SIZE(cs43130_snd_controls),
+ .dapm_widgets = cs43130_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cs43130_dapm_widgets),
+ .dapm_routes = cs43130_routes,
+ .num_dapm_routes = ARRAY_SIZE(cs43130_routes),
+ },
+ .set_sysclk = cs43130_codec_set_sysclk,
+ .set_pll = cs43130_set_pll,
+};
+
+static const struct regmap_config cs43130_regmap = {
+ .reg_bits = 24,
+ .pad_bits = 8,
+ .val_bits = 8,
+
+ .max_register = CS43130_LASTREG,
+ .reg_defaults = cs43130_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(cs43130_reg_defaults),
+ .readable_reg = cs43130_readable_register,
+ .precious_reg = cs43130_precious_register,
+ .volatile_reg = cs43130_volatile_register,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int cs43130_handle_device_data(
+ struct i2c_client *i2c_client, struct cs43130_private *cs43130)
+{
+ struct device_node *np = i2c_client->dev.of_node;
+ unsigned int val;
+ int ret = 0;
+
+ of_property_read_u32(np, "cirrus,xtal-ibias", &val);
+ switch (val) {
+ case 1:
+ cs43130->xtal_ibias = CS43130_XTAL_IBIAS_7_5UA;
+ break;
+ case 2:
+ cs43130->xtal_ibias = CS43130_XTAL_IBIAS_12_5UA;
+ break;
+ case 3:
+ cs43130->xtal_ibias = CS43130_XTAL_IBIAS_15UA;
+ break;
+ default:
+ dev_info(&i2c_client->dev,
+ "cirrus,xtal-ibias value or xtal unused %d",
+ val);
+ }
+ return ret;
+}
+
+static int cs43130_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct cs43130_private *cs43130;
+ int ret;
+ unsigned int devid = 0;
+ unsigned int reg;
+ int i;
+
+ cs43130 = devm_kzalloc(&client->dev, sizeof(*cs43130), GFP_KERNEL);
+ if (cs43130 == NULL)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, cs43130);
+
+ cs43130->regmap = devm_regmap_init_i2c(client, &cs43130_regmap);
+ if (IS_ERR(cs43130->regmap)) {
+ ret = PTR_ERR(cs43130->regmap);
+ return ret;
+ }
+
+ if (client->dev.of_node) {
+ ret = cs43130_handle_device_data(client, cs43130);
+ if (ret != 0)
+ return ret;
+ }
+ for (i = 0; i < ARRAY_SIZE(cs43130->supplies); i++)
+ cs43130->supplies[i].supply = cs43130_supply_names[i];
+
+ ret = devm_regulator_bulk_get(&client->dev,
+ ARRAY_SIZE(cs43130->supplies),
+ cs43130->supplies);
+ if (ret != 0) {
+ dev_err(&client->dev,
+ "Failed to request supplies: %d\n", ret);
+ return ret;
+ }
+ ret = regulator_bulk_enable(ARRAY_SIZE(cs43130->supplies),
+ cs43130->supplies);
+ if (ret != 0) {
+ dev_err(&client->dev,
+ "Failed to enable supplies: %d\n", ret);
+ return ret;
+ }
+
+ cs43130->reset_gpio = devm_gpiod_get_optional(&client->dev,
+ "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(cs43130->reset_gpio))
+ return PTR_ERR(cs43130->reset_gpio);
+
+ gpiod_set_value_cansleep(cs43130->reset_gpio, 1);
+
+ usleep_range(2000, 2050);
+
+ /* initialize codec */
+ ret = regmap_read(cs43130->regmap, CS43130_DEVID_AB, ®);
+
+ devid = (reg & 0xFF) << 12;
+ ret = regmap_read(cs43130->regmap, CS43130_DEVID_CD, ®);
+ devid |= (reg & 0xFF) << 4;
+ ret = regmap_read(cs43130->regmap, CS43130_DEVID_E, ®);
+ devid |= (reg & 0xF0) >> 4;
+
+ switch (devid) {
+ case CS43130_CHIP_ID:
+ break;
+ case CS4399_CHIP_ID:
+ break;
+ default:
+ dev_err(&client->dev,
+ "CS43130 Device ID (%X). Expected ID %X or %X\n",
+ devid, CS43130_CHIP_ID, CS4399_CHIP_ID);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ cs43130->dev_id = devid;
+ ret = regmap_read(cs43130->regmap, CS43130_REV_ID, ®);
+ if (ret < 0) {
+ dev_err(&client->dev, "Get Revision ID failed\n");
+ goto err;
+ }
+
+ dev_info(&client->dev,
+ "Cirrus Logic CS43130 (%x), Revision: %02X\n", devid,
+ reg & 0xFF);
+
+ /* Enable interrupt handler */
+ ret = devm_request_threaded_irq(&client->dev,
+ client->irq,
+ NULL, cs43130_irq_thread,
+ IRQF_ONESHOT | IRQF_TRIGGER_LOW,
+ "cs43130", cs43130);
+ if (ret != 0) {
+ dev_err(&client->dev, "Failed to request IRQ: %d\n", ret);
+ return ret;
+ }
+
+ /* Unmask INT */
+ regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
+ CS43130_XTAL_RDY_INT | CS43130_XTAL_ERR_INT |
+ CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT, 0);
+
+ /* Enable HP detect */
+ regmap_update_bits(cs43130->regmap, CS43130_HP_DETECT,
+ CS43130_HP_DETECT_CTRL_MASK, CS43130_HP_DETECT_CTRL_MASK);
+
+ regmap_write(cs43130->regmap,
+ CS43130_CRYSTAL_SET, cs43130->xtal_ibias);
+ ret = snd_soc_register_codec(&client->dev,
+ &soc_codec_dev_cs43130, cs43130_dai,
+ ARRAY_SIZE(cs43130_dai));
+
+ if (ret < 0) {
+ dev_err(&client->dev,
+ "%s: snd_soc_register_codec failed with ret = %d\n",
+ __func__, ret);
+ goto err;
+ }
+ return 0;
+err:
+ return ret;
+
+}
+
+static int cs43130_i2c_remove(struct i2c_client *client)
+{
+ struct cs43130_private *cs43130 = i2c_get_clientdata(client);
+
+ snd_soc_unregister_codec(&client->dev);
+
+ if (cs43130->reset_gpio)
+ gpiod_set_value_cansleep(cs43130->reset_gpio, 0);
+
+ pm_runtime_disable(&client->dev);
+ regulator_bulk_disable(CS43130_NUM_SUPPLIES,
+ cs43130->supplies);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int cs43130_runtime_suspend(struct device *dev)
+{
+ struct cs43130_private *cs43130 = dev_get_drvdata(dev);
+
+ regcache_cache_only(cs43130->regmap, true);
+ regcache_mark_dirty(cs43130->regmap);
+
+ gpiod_set_value_cansleep(cs43130->reset_gpio, 0);
+
+ regulator_bulk_disable(CS43130_NUM_SUPPLIES,
+ cs43130->supplies);
+ return 0;
+}
+
+static int cs43130_runtime_resume(struct device *dev)
+{
+ struct cs43130_private *cs43130 = dev_get_drvdata(dev);
+ int ret;
+
+ ret = regulator_bulk_enable(CS43130_NUM_SUPPLIES,
+ cs43130->supplies);
+ if (ret != 0) {
+ dev_err(dev, "Failed to enable supplies: %d\n",
+ ret);
+ return ret;
+ }
+
+ regcache_cache_only(cs43130->regmap, false);
+
+ gpiod_set_value_cansleep(cs43130->reset_gpio, 1);
+
+ usleep_range(2000, 2050);
+
+ ret = regcache_sync(cs43130->regmap);
+ if (ret != 0) {
+ dev_err(dev, "Failed to restore register cache\n");
+ goto err;
+ }
+ return 0;
+err:
+ regcache_cache_only(cs43130->regmap, true);
+ regulator_bulk_disable(CS43130_NUM_SUPPLIES,
+ cs43130->supplies);
+
+ return ret;
+}
+#endif
+
+static const struct dev_pm_ops cs43130_runtime_pm = {
+ SET_RUNTIME_PM_OPS(cs43130_runtime_suspend, cs43130_runtime_resume,
+ NULL)
+};
+
+static const struct of_device_id cs43130_of_match[] = {
+ { .compatible = "cirrus,cs43130", },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, cs43130_of_match);
+
+static const struct i2c_device_id cs43130_i2c_id[] = {
+ {"cs43130", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, cs43130_i2c_id);
+
+static struct i2c_driver cs43130_i2c_driver = {
+ .driver = {
+ .name = "cs43130",
+ .of_match_table = cs43130_of_match,
+ },
+ .id_table = cs43130_i2c_id,
+ .probe = cs43130_i2c_probe,
+ .remove = cs43130_i2c_remove,
+};
+
+module_i2c_driver(cs43130_i2c_driver);
+
+MODULE_AUTHOR("Li Xu <li.xu@xxxxxxxxxx>");
+MODULE_DESCRIPTION("Cirrus Logic CS43130 ALSA SoC Codec Driver");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/cs43130.h b/sound/soc/codecs/cs43130.h
new file mode 100644
index 0000000..bceae76
--- /dev/null
+++ b/sound/soc/codecs/cs43130.h
@@ -0,0 +1,268 @@
+/*
+ * ALSA SoC CS43130 codec driver
+ *
+ * Copyright 2016 Cirrus Logic, Inc.
+ *
+ * Author: Li Xu <li.xu@xxxxxxxxxx>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ */
+
+#ifndef __CS43130_H__
+#define __CS43130_H__
+
+/* CS43130 registers addresses */
+/* all reg address is shifted by a byte for control byte to be LSB */
+#define CS43130_FIRSTREG 0x010000
+#define CS43130_LASTREG 0x0F0014
+#define CS43130_CHIP_ID 0x00043130
+#define CS4399_CHIP_ID 0x00043990
+#define CS43130_DEVID_AB 0x010000 /*Device ID A & B [RO]*/
+#define CS43130_DEVID_CD 0x010001 /*Device ID C & D [RO]*/
+#define CS43130_DEVID_E 0x010002 /*Device ID E [RO]*/
+#define CS43130_FAB_ID 0x010003 /*Fab ID [RO]*/
+#define CS43130_REV_ID 0x010004 /*Revision ID [RO]*/
+#define CS43130_SUBREV_ID 0x010005 /*Subrevision ID*/
+#define CS43130_SYS_CLK_CTL_1 0x010006 /*System Clocking Ctl 1*/
+#define CS43130_SP_SRATE 0x01000B /*Serial Port Sample Rate*/
+#define CS43130_SP_BITSIZE 0x01000C /*Serial Port Bit Size*/
+#define CS43130_PAD_INT_CFG 0x01000D /*Pad Interface Config*/
+#define CS43130_DXD1 0x010010 /*DXD1*/
+#define CS43130_PWDN_CTL 0x020000 /*Power Down Ctl*/
+#define CS43130_DXD2 0x020019 /*DXD2*/
+#define CS43130_CRYSTAL_SET 0x020052 /*Crystal Setting*/
+#define CS43130_PLL_SET_1 0x030001 /*PLL Setting 1*/
+#define CS43130_PLL_SET_2 0x030002 /*PLL Setting 2*/
+#define CS43130_PLL_SET_3 0x030003 /*PLL Setting 3*/
+#define CS43130_PLL_SET_4 0x030004 /*PLL Setting 4*/
+#define CS43130_PLL_SET_5 0x030005 /*PLL Setting 5*/
+#define CS43130_PLL_SET_6 0x030008 /*PLL Setting 6*/
+#define CS43130_PLL_SET_7 0x03000A /*PLL Setting 7*/
+#define CS43130_PLL_SET_8 0x03001B /*PLL Setting 8*/
+#define CS43130_PLL_SET_9 0x040002 /*PLL Setting 9*/
+#define CS43130_PLL_SET_10 0x040003 /*PLL Setting 10*/
+#define CS43130_CLKOUT_CTL 0x040004 /*CLKOUT Ctl*/
+#define CS43130_ASP_NUM_1 0x040010 /*ASP Numerator 1*/
+#define CS43130_ASP_NUM_2 0x040011 /*ASP Numerator 2*/
+#define CS43130_ASP_DENOM_1 0x040012 /*ASP Denominator 1*/
+#define CS43130_ASP_DENOM_2 0x040013 /*ASP Denominator 2*/
+#define CS43130_ASP_LRCK_HI_TIME_1 0x040014 /*ASP LRCK High Time 1*/
+#define CS43130_ASP_LRCK_HI_TIME_2 0x040015 /*ASP LRCK High Time 2*/
+#define CS43130_ASP_LRCK_PERIOD_1 0x040016 /*ASP LRCK Period 1*/
+#define CS43130_ASP_LRCK_PERIOD_2 0x040017 /*ASP LRCK Period 2*/
+#define CS43130_ASP_CLOCK_CONF 0x040018 /*ASP Clock Config*/
+#define CS43130_ASP_FRAME_CONF 0x040019 /*ASP Frame Config*/
+#define CS43130_XSP_NUM_1 0x040020 /*XSP Numerator 1*/
+#define CS43130_XSP_NUM_2 0x040021 /*XSP Numerator 2*/
+#define CS43130_XSP_DENOM_1 0x040022 /*XSP Denominator 1*/
+#define CS43130_XSP_DENOM_2 0x040023 /*XSP Denominator 2*/
+#define CS43130_XSP_LRCK_HI_TIME_1 0x040024 /*XSP LRCK High Time 1*/
+#define CS43130_XSP_LRCK_HI_TIME_2 0x040025 /*XSP LRCK High Time 2*/
+#define CS43130_XSP_LRCK_PERIOD_1 0x040026 /*XSP LRCK Period 1*/
+#define CS43130_XSP_LRCK_PERIOD_2 0x040027 /*XSP LRCK Period 2*/
+#define CS43130_XSP_CLOCK_CONF 0x040028 /*XSP Clock Config*/
+#define CS43130_XSP_FRAME_CONF 0x040029 /*XSP Frame Config*/
+#define CS43130_ASP_CH_1_LOC 0x050000 /*ASP Chan 1 Location*/
+#define CS43130_ASP_CH_2_LOC 0x050001 /*ASP Chan 2 Location*/
+#define CS43130_ASP_CH_1_SZ_EN 0x05000A /*ASP Chan 1 Size, Enable*/
+#define CS43130_ASP_CH_2_SZ_EN 0x05000B /*ASP Chan 2 Size, Enable*/
+#define CS43130_XSP_CH_1_LOC 0x060000 /*XSP Chan 1 Location*/
+#define CS43130_XSP_CH_2_LOC 0x060001 /*XSP Chan 2 Location*/
+#define CS43130_XSP_CH_1_SZ_EN 0x06000A /*XSP Chan 1 Size, Enable*/
+#define CS43130_XSP_CH_2_SZ_EN 0x06000B /*XSP Chan 2 Size, Enable*/
+#define CS43130_DSD_VOL_B 0x070000 /*DSD Volume B*/
+#define CS43130_DSD_VOL_A 0x070001 /*DSD Volume A*/
+#define CS43130_DSD_PATH_CTL_1 0x070002 /*DSD Proc Path Sig Ctl 1*/
+#define CS43130_DSD_INT_CFG 0x070003 /*DSD Interface Config*/
+#define CS43130_DSD_PATH_CTL_2 0x070004 /*DSD Proc Path Sig Ctl 2*/
+#define CS43130_DSD_PCM_MIX_CTL 0x070005 /*DSD and PCM Mixing Ctl*/
+#define CS43130_DSD_PATH_CTL_3 0x070006 /*DSD Proc Path Sig Ctl 3*/
+#define CS43130_HP_OUT_CTL_1 0x080000 /*HP Output Ctl 1*/
+#define CS43130_PCM_FILT_OPT 0x090000 /*PCM Filter Option*/
+#define CS43130_PCM_VOL_B 0x090001 /*PCM Volume B*/
+#define CS43130_PCM_VOL_A 0x090002 /*PCM Volume A*/
+#define CS43130_PCM_PATH_CTL_1 0x090003 /*PCM Path Signal Ctl 1*/
+#define CS43130_PCM_PATH_CTL_2 0x090004 /*PCM Path Signal Ctl 2*/
+#define CS43130_CLASS_H_CTL 0x0B0000 /*Class H Ctl*/
+#define CS43130_HP_DETECT 0x0D0000 /*HP Detect*/
+#define CS43130_HP_STATUS 0x0D0001 /*HP Status [RO]*/
+#define CS43130_HP_LOAD_1 0x0E0000 /*HP Load 1*/
+#define CS43130_HP_MEAS_LOAD_1 0x0E0003 /*HP Load Measurement 1*/
+#define CS43130_HP_MEAS_LOAD_2 0x0E0004 /*HP Load Measurement 2*/
+#define CS43130_HP_DC_STAT_1 0x0E000D /*HP DC Load Status 0 [RO]*/
+#define CS43130_HP_DC_STAT_2 0x0E000E /*HP DC Load Status 1 [RO]*/
+#define CS43130_HP_AC_STAT_1 0x0E0010 /*HP AC Load Status 0 [RO]*/
+#define CS43130_HP_AC_STAT_2 0x0E0011 /*HP AC Load Status 1 [RO]*/
+#define CS43130_HP_LOAD_STAT 0x0E001A /*HP Load Status [RO]*/
+#define CS43130_INT_STATUS_1 0x0F0000 /*Interrupt Status 1*/
+#define CS43130_INT_STATUS_2 0x0F0001 /*Interrupt Status 2*/
+#define CS43130_INT_STATUS_3 0x0F0002 /*Interrupt Status 3*/
+#define CS43130_INT_STATUS_4 0x0F0003 /*Interrupt Status 4*/
+#define CS43130_INT_STATUS_5 0x0F0004 /*Interrupt Status 5*/
+#define CS43130_INT_MASK_1 0x0F0010 /*Interrupt Mask 1*/
+#define CS43130_INT_MASK_2 0x0F0011 /*Interrupt Mask 2*/
+#define CS43130_INT_MASK_3 0x0F0012 /*Interrupt Mask 3*/
+#define CS43130_INT_MASK_4 0x0F0013 /*Interrupt Mask 4*/
+#define CS43130_INT_MASK_5 0x0F0014 /*Interrupt Mask 5*/
+
+#define CS43130_MCLK_SRC_SEL_MASK 0x03
+#define CS43130_MCLK_SRC_SEL_SHIFT 0
+#define CS43130_MCLK_INT_MASK 0x04
+#define CS43130_MCLK_INT_SHIFT 2
+#define CS43130_SP_SRATE_MASK 0x0F
+#define CS43130_SP_SRATE_SHIFT 0
+#define CS43130_SP_BITSIZE_ASP_MASK 0x03
+#define CS43130_SP_BITSIZE_ASP_SHIFT 0
+#define CS43130_HP_DETECT_CTRL_SHIFT 6
+#define CS43130_HP_DETECT_CTRL_MASK (0x03 << CS43130_HP_DETECT_CTRL_SHIFT)
+#define CS43130_HP_DETECT_INV_SHIFT 5
+#define CS43130_HP_DETECT_INV_MASK (1 << CS43130_HP_DETECT_INV_SHIFT)
+
+/* CS43130_INT_MASK_1 */
+#define CS43130_HP_PLUG_INT_SHIFT 6
+#define CS43130_HP_PLUG_INT (1 << CS43130_HP_PLUG_INT_SHIFT)
+#define CS43130_HP_UNPLUG_INT_SHIFT 5
+#define CS43130_HP_UNPLUG_INT (1 << CS43130_HP_UNPLUG_INT_SHIFT)
+#define CS43130_XTAL_RDY_INT_SHIFT 4
+#define CS43130_XTAL_RDY_INT (1 << CS43130_XTAL_RDY_INT_SHIFT)
+#define CS43130_XTAL_ERR_INT_SHIFT 3
+#define CS43130_XTAL_ERR_INT (1 << CS43130_XTAL_ERR_INT_SHIFT)
+
+/*Reg CS43130_SP_BITSIZE*/
+#define CS43130_SP_BIT_SIZE_8 0x00
+#define CS43130_SP_BIT_SIZE_16 0x01
+#define CS43130_SP_BIT_SIZE_24 0x02
+#define CS43130_SP_BIT_SIZE_32 0x03
+
+/*PLL*/
+#define CS43130_PLL_START_MASK (0x1<<0)
+#define CS43130_PLL_MODE_MASK 0x02
+#define CS43130_PLL_MODE_SHIFT 1
+
+#define CS43130_PLL_REF_PREDIV_MASK 0x3
+
+#define CS43130_ASP_STP_MASK 0x10
+#define CS43130_ASP_STP_SHIFT 4
+#define CS43130_ASP_5050_MASK 0x08
+#define CS43130_ASP_5050_SHIFT 3
+#define CS43130_ASP_FSD_MASK 0x07
+#define CS43130_ASP_FSD_SHIFT 0
+
+#define CS43130_ASP_MODE_MASK 0x10
+#define CS43130_ASP_MODE_SHIFT 4
+#define CS43130_ASP_SCPOL_OUT_MASK 0x08
+#define CS43130_ASP_SCPOL_OUT_SHIFT 3
+#define CS43130_ASP_SCPOL_IN_MASK 0x04
+#define CS43130_ASP_SCPOL_IN_SHIFT 2
+#define CS43130_ASP_LCPOL_OUT_MASK 0x02
+#define CS43130_ASP_LCPOL_OUT_SHIFT 1
+#define CS43130_ASP_LCPOL_IN_MASK 0x01
+#define CS43130_ASP_LCPOL_IN_SHIFT 0
+
+/*Reg CS43130_PWDN_CTL*/
+#define CS43130_PDN_XSP_MASK 0x80
+#define CS43130_PDN_XSP_SHIFT 7
+#define CS43130_PDN_ASP_MASK 0x40
+#define CS43130_PDN_ASP_SHIFT 6
+#define CS43130_PDN_DSPIF_MASK 0x20
+#define CS43130_PDN_DSDIF_SHIFT 5
+#define CS43130_PDN_HP_MASK 0x10
+#define CS43130_PDN_HP_SHIFT 4
+#define CS43130_PDN_XTAL_MASK 0x08
+#define CS43130_PDN_XTAL_SHIFT 3
+#define CS43130_PDN_PLL_MASK 0x04
+#define CS43130_PDN_PLL_SHIFT 2
+#define CS43130_PDN_CLKOUT_MASK 0x02
+#define CS43130_PDN_CLKOUT_SHIFT 1
+
+#define CS43130_7_0_MASK 0xFF
+#define CS43130_15_8_MASK 0xFF00
+#define CS43130_23_16_MASK 0xFF0000
+
+/* Reg CS43130_HP_OUT_CTL_1 */
+#define CS43130_HP_IN_EN_SHIFT 3
+#define CS43130_HP_IN_EN_MASK 0x08
+
+#define CS43130_ASP_FORMATS (SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+#define CS43130_XSP_FORMATS (SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+enum cs43130_asp_rate {
+ CS43130_ASP_SPRATE_32K = 0,
+ CS43130_ASP_SPRATE_44_1K,
+ CS43130_ASP_SPRATE_48K,
+ CS43130_ASP_SPRATE_88_2K,
+ CS43130_ASP_SPRATE_96K,
+ CS43130_ASP_SPRATE_176_4K,
+ CS43130_ASP_SPRATE_192K,
+ CS43130_ASP_SPRATE_352_8K,
+ CS43130_ASP_SPRATE_384K,
+};
+
+enum cs43130_mclk_src_sel {
+ CS43130_MCLK_SRC_XTAL = 0,
+ CS43130_MCLK_SRC_PLL,
+ CS43130_MCLK_SRC_RCO
+};
+
+enum cs43130_mode {
+ CS43130_SLAVE_MODE = 0,
+ CS43130_MASTER_MODE
+};
+
+enum cs43130_xtal_ibias {
+ CS43130_XTAL_IBIAS_15UA = 2,
+ CS43130_XTAL_IBIAS_12_5UA = 4,
+ CS43130_XTAL_IBIAS_7_5UA = 6,
+};
+
+#define CS43130_AIF_BICK_RATE 1
+#define CS43130_SYSCLK_MCLK 1
+#define CS43130_NUM_SUPPLIES 5
+static const char *const cs43130_supply_names[CS43130_NUM_SUPPLIES] = {
+ "VA",
+ "VP",
+ "VCP",
+ "VD",
+ "VL",
+};
+
+#define CS43130_NUM_INT 5 /* number of interrupt status reg */
+
+struct cs43130_private {
+ struct snd_soc_codec *codec;
+ struct regmap *regmap;
+ struct regulator_bulk_data supplies[CS43130_NUM_SUPPLIES];
+ /* codec device ID */
+ unsigned int dev_id;
+ int mclk;
+ int sclk;
+ int xtal_ibias;
+
+ bool pll_bypass;
+ int pll_out;
+ int mclk_int;
+ int dai_format;
+ int dai_mode;
+ int dai_bit;
+ int asp_size;
+ int fs;
+ bool bick_invert;
+ bool lrck_invert;
+ int bick;
+ struct gpio_desc *reset_gpio;
+};
+
+#endif /* __CS43130_H__ */
--
1.9.1
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