[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/soc/codecs/tas571x.c b/src/kernel/linux/v4.14/sound/soc/codecs/tas571x.c
new file mode 100644
index 0000000..810369f
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/soc/codecs/tas571x.c
@@ -0,0 +1,808 @@
+/*
+ * TAS571x amplifier audio driver
+ *
+ * Copyright (C) 2015 Google, Inc.
+ * Copyright (c) 2013 Daniel Mack <zonque@gmail.com>
+ *
+ * TAS5721 support:
+ * Copyright (C) 2016 Petr Kulhavy, Barix AG <petr@barix.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/stddef.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <asm/unaligned.h>
+
+#include "tas571x.h"
+
+#define TAS571X_MAX_SUPPLIES 6
+
+struct tas571x_chip {
+ const char *const *supply_names;
+ int num_supply_names;
+ const struct snd_kcontrol_new *controls;
+ int num_controls;
+ const struct regmap_config *regmap_config;
+ int vol_reg_size;
+};
+
+struct tas571x_private {
+ const struct tas571x_chip *chip;
+ struct regmap *regmap;
+ struct regulator_bulk_data supplies[TAS571X_MAX_SUPPLIES];
+ struct clk *mclk;
+ unsigned int format;
+ struct gpio_desc *reset_gpio;
+ struct gpio_desc *pdn_gpio;
+ struct snd_soc_codec_driver codec_driver;
+};
+
+static int tas571x_register_size(struct tas571x_private *priv, unsigned int reg)
+{
+ switch (reg) {
+ case TAS571X_MVOL_REG:
+ case TAS571X_CH1_VOL_REG:
+ case TAS571X_CH2_VOL_REG:
+ return priv->chip->vol_reg_size;
+ case TAS571X_INPUT_MUX_REG:
+ case TAS571X_CH4_SRC_SELECT_REG:
+ case TAS571X_PWM_MUX_REG:
+ case TAS5717_CH1_RIGHT_CH_MIX_REG:
+ case TAS5717_CH1_LEFT_CH_MIX_REG:
+ case TAS5717_CH2_LEFT_CH_MIX_REG:
+ case TAS5717_CH2_RIGHT_CH_MIX_REG:
+ return 4;
+ default:
+ return 1;
+ }
+}
+
+static int tas571x_reg_write(void *context, unsigned int reg,
+ unsigned int value)
+{
+ struct i2c_client *client = context;
+ struct tas571x_private *priv = i2c_get_clientdata(client);
+ unsigned int i, size;
+ uint8_t buf[5];
+ int ret;
+
+ size = tas571x_register_size(priv, reg);
+ buf[0] = reg;
+
+ for (i = size; i >= 1; --i) {
+ buf[i] = value;
+ value >>= 8;
+ }
+
+ ret = i2c_master_send(client, buf, size + 1);
+ if (ret == size + 1)
+ return 0;
+ else if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+}
+
+static int tas571x_reg_read(void *context, unsigned int reg,
+ unsigned int *value)
+{
+ struct i2c_client *client = context;
+ struct tas571x_private *priv = i2c_get_clientdata(client);
+ uint8_t send_buf, recv_buf[4];
+ struct i2c_msg msgs[2];
+ unsigned int size;
+ unsigned int i;
+ int ret;
+
+ size = tas571x_register_size(priv, reg);
+ send_buf = reg;
+
+ msgs[0].addr = client->addr;
+ msgs[0].len = sizeof(send_buf);
+ msgs[0].buf = &send_buf;
+ msgs[0].flags = 0;
+
+ msgs[1].addr = client->addr;
+ msgs[1].len = size;
+ msgs[1].buf = recv_buf;
+ msgs[1].flags = I2C_M_RD;
+
+ ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (ret < 0)
+ return ret;
+ else if (ret != ARRAY_SIZE(msgs))
+ return -EIO;
+
+ *value = 0;
+
+ for (i = 0; i < size; i++) {
+ *value <<= 8;
+ *value |= recv_buf[i];
+ }
+
+ return 0;
+}
+
+/*
+ * register write for 8- and 20-byte registers
+ */
+static int tas571x_reg_write_multiword(struct i2c_client *client,
+ unsigned int reg, const long values[], size_t len)
+{
+ size_t i;
+ uint8_t *buf, *p;
+ int ret;
+ size_t send_size = 1 + len * sizeof(uint32_t);
+
+ buf = kzalloc(send_size, GFP_KERNEL | GFP_DMA);
+ if (!buf)
+ return -ENOMEM;
+ buf[0] = reg;
+
+ for (i = 0, p = buf + 1; i < len; i++, p += sizeof(uint32_t))
+ put_unaligned_be32(values[i], p);
+
+ ret = i2c_master_send(client, buf, send_size);
+
+ kfree(buf);
+
+ if (ret == send_size)
+ return 0;
+ else if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+}
+
+/*
+ * register read for 8- and 20-byte registers
+ */
+static int tas571x_reg_read_multiword(struct i2c_client *client,
+ unsigned int reg, long values[], size_t len)
+{
+ unsigned int i;
+ uint8_t send_buf;
+ uint8_t *recv_buf, *p;
+ struct i2c_msg msgs[2];
+ unsigned int recv_size = len * sizeof(uint32_t);
+ int ret;
+
+ recv_buf = kzalloc(recv_size, GFP_KERNEL | GFP_DMA);
+ if (!recv_buf)
+ return -ENOMEM;
+
+ send_buf = reg;
+
+ msgs[0].addr = client->addr;
+ msgs[0].len = sizeof(send_buf);
+ msgs[0].buf = &send_buf;
+ msgs[0].flags = 0;
+
+ msgs[1].addr = client->addr;
+ msgs[1].len = recv_size;
+ msgs[1].buf = recv_buf;
+ msgs[1].flags = I2C_M_RD;
+
+ ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (ret < 0)
+ goto err_ret;
+ else if (ret != ARRAY_SIZE(msgs)) {
+ ret = -EIO;
+ goto err_ret;
+ }
+
+ for (i = 0, p = recv_buf; i < len; i++, p += sizeof(uint32_t))
+ values[i] = get_unaligned_be32(p);
+
+err_ret:
+ kfree(recv_buf);
+ return ret;
+}
+
+/*
+ * Integer array controls for setting biquad, mixer, DRC coefficients.
+ * According to the datasheet each coefficient is effectively 26bits,
+ * i.e. stored as 32bits, where bits [31:26] are ignored.
+ * TI's TAS57xx Graphical Development Environment tool however produces
+ * coefficients with more than 26 bits. For this reason we allow values
+ * in the full 32-bits reange.
+ * The coefficients are ordered as given in the TAS571x data sheet:
+ * b0, b1, b2, a1, a2
+ */
+
+static int tas571x_coefficient_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ int numcoef = kcontrol->private_value >> 16;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = numcoef;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 0xffffffff;
+ return 0;
+}
+
+static int tas571x_coefficient_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct i2c_client *i2c = to_i2c_client(codec->dev);
+ int numcoef = kcontrol->private_value >> 16;
+ int index = kcontrol->private_value & 0xffff;
+
+ return tas571x_reg_read_multiword(i2c, index,
+ ucontrol->value.integer.value, numcoef);
+}
+
+static int tas571x_coefficient_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct i2c_client *i2c = to_i2c_client(codec->dev);
+ int numcoef = kcontrol->private_value >> 16;
+ int index = kcontrol->private_value & 0xffff;
+
+ return tas571x_reg_write_multiword(i2c, index,
+ ucontrol->value.integer.value, numcoef);
+}
+
+static int tas571x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int format)
+{
+ struct tas571x_private *priv = snd_soc_codec_get_drvdata(dai->codec);
+
+ priv->format = format;
+
+ return 0;
+}
+
+static int tas571x_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct tas571x_private *priv = snd_soc_codec_get_drvdata(dai->codec);
+ u32 val;
+
+ switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_RIGHT_J:
+ val = 0x00;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ val = 0x03;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ val = 0x06;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (params_width(params) >= 24)
+ val += 2;
+ else if (params_width(params) >= 20)
+ val += 1;
+
+ return regmap_update_bits(priv->regmap, TAS571X_SDI_REG,
+ TAS571X_SDI_FMT_MASK, val);
+}
+
+static int tas571x_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u8 sysctl2;
+ int ret;
+
+ sysctl2 = mute ? TAS571X_SYS_CTRL_2_SDN_MASK : 0;
+
+ ret = snd_soc_update_bits(codec,
+ TAS571X_SYS_CTRL_2_REG,
+ TAS571X_SYS_CTRL_2_SDN_MASK,
+ sysctl2);
+ usleep_range(1000, 2000);
+
+ return ret;
+}
+
+static int tas571x_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct tas571x_private *priv = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+ case SND_SOC_BIAS_PREPARE:
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
+ if (!IS_ERR(priv->mclk)) {
+ ret = clk_prepare_enable(priv->mclk);
+ if (ret) {
+ dev_err(codec->dev,
+ "Failed to enable master clock: %d\n",
+ ret);
+ return ret;
+ }
+ }
+ }
+ break;
+ case SND_SOC_BIAS_OFF:
+ if (!IS_ERR(priv->mclk))
+ clk_disable_unprepare(priv->mclk);
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops tas571x_dai_ops = {
+ .set_fmt = tas571x_set_dai_fmt,
+ .hw_params = tas571x_hw_params,
+ .digital_mute = tas571x_mute,
+};
+
+
+#define BIQUAD_COEFS(xname, reg) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = tas571x_coefficient_info, \
+ .get = tas571x_coefficient_get,\
+ .put = tas571x_coefficient_put, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .private_value = reg | (5 << 16) }
+
+static const char *const tas5711_supply_names[] = {
+ "AVDD",
+ "DVDD",
+ "PVDD_A",
+ "PVDD_B",
+ "PVDD_C",
+ "PVDD_D",
+};
+
+static const DECLARE_TLV_DB_SCALE(tas5711_volume_tlv, -10350, 50, 1);
+
+static const struct snd_kcontrol_new tas5711_controls[] = {
+ SOC_SINGLE_TLV("Master Volume",
+ TAS571X_MVOL_REG,
+ 0, 0xff, 1, tas5711_volume_tlv),
+ SOC_DOUBLE_R_TLV("Speaker Volume",
+ TAS571X_CH1_VOL_REG,
+ TAS571X_CH2_VOL_REG,
+ 0, 0xff, 1, tas5711_volume_tlv),
+ SOC_DOUBLE("Speaker Switch",
+ TAS571X_SOFT_MUTE_REG,
+ TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
+ 1, 1),
+};
+
+static const struct regmap_range tas571x_readonly_regs_range[] = {
+ regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_DEV_ID_REG),
+};
+
+static const struct regmap_range tas571x_volatile_regs_range[] = {
+ regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
+ regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
+};
+
+static const struct regmap_access_table tas571x_write_regs = {
+ .no_ranges = tas571x_readonly_regs_range,
+ .n_no_ranges = ARRAY_SIZE(tas571x_readonly_regs_range),
+};
+
+static const struct regmap_access_table tas571x_volatile_regs = {
+ .yes_ranges = tas571x_volatile_regs_range,
+ .n_yes_ranges = ARRAY_SIZE(tas571x_volatile_regs_range),
+
+};
+
+static const struct reg_default tas5711_reg_defaults[] = {
+ { 0x04, 0x05 },
+ { 0x05, 0x40 },
+ { 0x06, 0x00 },
+ { 0x07, 0xff },
+ { 0x08, 0x30 },
+ { 0x09, 0x30 },
+ { 0x1b, 0x82 },
+};
+
+static const struct regmap_config tas5711_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 32,
+ .max_register = 0xff,
+ .reg_read = tas571x_reg_read,
+ .reg_write = tas571x_reg_write,
+ .reg_defaults = tas5711_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(tas5711_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+ .wr_table = &tas571x_write_regs,
+ .volatile_table = &tas571x_volatile_regs,
+};
+
+static const struct tas571x_chip tas5711_chip = {
+ .supply_names = tas5711_supply_names,
+ .num_supply_names = ARRAY_SIZE(tas5711_supply_names),
+ .controls = tas5711_controls,
+ .num_controls = ARRAY_SIZE(tas5711_controls),
+ .regmap_config = &tas5711_regmap_config,
+ .vol_reg_size = 1,
+};
+
+static const char *const tas5717_supply_names[] = {
+ "AVDD",
+ "DVDD",
+ "HPVDD",
+ "PVDD_AB",
+ "PVDD_CD",
+};
+
+static const DECLARE_TLV_DB_SCALE(tas5717_volume_tlv, -10375, 25, 0);
+
+static const struct snd_kcontrol_new tas5717_controls[] = {
+ /* MVOL LSB is ignored - see comments in tas571x_i2c_probe() */
+ SOC_SINGLE_TLV("Master Volume",
+ TAS571X_MVOL_REG, 1, 0x1ff, 1,
+ tas5717_volume_tlv),
+ SOC_DOUBLE_R_TLV("Speaker Volume",
+ TAS571X_CH1_VOL_REG, TAS571X_CH2_VOL_REG,
+ 1, 0x1ff, 1, tas5717_volume_tlv),
+ SOC_DOUBLE("Speaker Switch",
+ TAS571X_SOFT_MUTE_REG,
+ TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
+ 1, 1),
+
+ SOC_DOUBLE_R_RANGE("CH1 Mixer Volume",
+ TAS5717_CH1_LEFT_CH_MIX_REG,
+ TAS5717_CH1_RIGHT_CH_MIX_REG,
+ 16, 0, 0x80, 0),
+
+ SOC_DOUBLE_R_RANGE("CH2 Mixer Volume",
+ TAS5717_CH2_LEFT_CH_MIX_REG,
+ TAS5717_CH2_RIGHT_CH_MIX_REG,
+ 16, 0, 0x80, 0),
+
+ /*
+ * The biquads are named according to the register names.
+ * Please note that TI's TAS57xx Graphical Development Environment
+ * tool names them different.
+ */
+ BIQUAD_COEFS("CH1 - Biquad 0", TAS5717_CH1_BQ0_REG),
+ BIQUAD_COEFS("CH1 - Biquad 1", TAS5717_CH1_BQ1_REG),
+ BIQUAD_COEFS("CH1 - Biquad 2", TAS5717_CH1_BQ2_REG),
+ BIQUAD_COEFS("CH1 - Biquad 3", TAS5717_CH1_BQ3_REG),
+ BIQUAD_COEFS("CH1 - Biquad 4", TAS5717_CH1_BQ4_REG),
+ BIQUAD_COEFS("CH1 - Biquad 5", TAS5717_CH1_BQ5_REG),
+ BIQUAD_COEFS("CH1 - Biquad 6", TAS5717_CH1_BQ6_REG),
+ BIQUAD_COEFS("CH1 - Biquad 7", TAS5717_CH1_BQ7_REG),
+ BIQUAD_COEFS("CH1 - Biquad 8", TAS5717_CH1_BQ8_REG),
+ BIQUAD_COEFS("CH1 - Biquad 9", TAS5717_CH1_BQ9_REG),
+ BIQUAD_COEFS("CH1 - Biquad 10", TAS5717_CH1_BQ10_REG),
+ BIQUAD_COEFS("CH1 - Biquad 11", TAS5717_CH1_BQ11_REG),
+
+ BIQUAD_COEFS("CH2 - Biquad 0", TAS5717_CH2_BQ0_REG),
+ BIQUAD_COEFS("CH2 - Biquad 1", TAS5717_CH2_BQ1_REG),
+ BIQUAD_COEFS("CH2 - Biquad 2", TAS5717_CH2_BQ2_REG),
+ BIQUAD_COEFS("CH2 - Biquad 3", TAS5717_CH2_BQ3_REG),
+ BIQUAD_COEFS("CH2 - Biquad 4", TAS5717_CH2_BQ4_REG),
+ BIQUAD_COEFS("CH2 - Biquad 5", TAS5717_CH2_BQ5_REG),
+ BIQUAD_COEFS("CH2 - Biquad 6", TAS5717_CH2_BQ6_REG),
+ BIQUAD_COEFS("CH2 - Biquad 7", TAS5717_CH2_BQ7_REG),
+ BIQUAD_COEFS("CH2 - Biquad 8", TAS5717_CH2_BQ8_REG),
+ BIQUAD_COEFS("CH2 - Biquad 9", TAS5717_CH2_BQ9_REG),
+ BIQUAD_COEFS("CH2 - Biquad 10", TAS5717_CH2_BQ10_REG),
+ BIQUAD_COEFS("CH2 - Biquad 11", TAS5717_CH2_BQ11_REG),
+
+ BIQUAD_COEFS("CH3 - Biquad 0", TAS5717_CH3_BQ0_REG),
+ BIQUAD_COEFS("CH3 - Biquad 1", TAS5717_CH3_BQ1_REG),
+
+ BIQUAD_COEFS("CH4 - Biquad 0", TAS5717_CH4_BQ0_REG),
+ BIQUAD_COEFS("CH4 - Biquad 1", TAS5717_CH4_BQ1_REG),
+};
+
+static const struct reg_default tas5717_reg_defaults[] = {
+ { 0x04, 0x05 },
+ { 0x05, 0x40 },
+ { 0x06, 0x00 },
+ { 0x07, 0x03ff },
+ { 0x08, 0x00c0 },
+ { 0x09, 0x00c0 },
+ { 0x1b, 0x82 },
+ { TAS5717_CH1_RIGHT_CH_MIX_REG, 0x0 },
+ { TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000},
+ { TAS5717_CH2_LEFT_CH_MIX_REG, 0x0 },
+ { TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000},
+};
+
+static const struct regmap_config tas5717_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 32,
+ .max_register = 0xff,
+ .reg_read = tas571x_reg_read,
+ .reg_write = tas571x_reg_write,
+ .reg_defaults = tas5717_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(tas5717_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+ .wr_table = &tas571x_write_regs,
+ .volatile_table = &tas571x_volatile_regs,
+};
+
+/* This entry is reused for tas5719 as the software interface is identical. */
+static const struct tas571x_chip tas5717_chip = {
+ .supply_names = tas5717_supply_names,
+ .num_supply_names = ARRAY_SIZE(tas5717_supply_names),
+ .controls = tas5717_controls,
+ .num_controls = ARRAY_SIZE(tas5717_controls),
+ .regmap_config = &tas5717_regmap_config,
+ .vol_reg_size = 2,
+};
+
+static const char *const tas5721_supply_names[] = {
+ "AVDD",
+ "DVDD",
+ "DRVDD",
+ "PVDD",
+};
+
+static const struct snd_kcontrol_new tas5721_controls[] = {
+ SOC_SINGLE_TLV("Master Volume",
+ TAS571X_MVOL_REG,
+ 0, 0xff, 1, tas5711_volume_tlv),
+ SOC_DOUBLE_R_TLV("Speaker Volume",
+ TAS571X_CH1_VOL_REG,
+ TAS571X_CH2_VOL_REG,
+ 0, 0xff, 1, tas5711_volume_tlv),
+ SOC_DOUBLE("Speaker Switch",
+ TAS571X_SOFT_MUTE_REG,
+ TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
+ 1, 1),
+};
+
+static const struct reg_default tas5721_reg_defaults[] = {
+ {TAS571X_CLK_CTRL_REG, 0x6c},
+ {TAS571X_DEV_ID_REG, 0x00},
+ {TAS571X_ERR_STATUS_REG, 0x00},
+ {TAS571X_SYS_CTRL_1_REG, 0xa0},
+ {TAS571X_SDI_REG, 0x05},
+ {TAS571X_SYS_CTRL_2_REG, 0x40},
+ {TAS571X_SOFT_MUTE_REG, 0x00},
+ {TAS571X_MVOL_REG, 0xff},
+ {TAS571X_CH1_VOL_REG, 0x30},
+ {TAS571X_CH2_VOL_REG, 0x30},
+ {TAS571X_CH3_VOL_REG, 0x30},
+ {TAS571X_VOL_CFG_REG, 0x91},
+ {TAS571X_MODULATION_LIMIT_REG, 0x02},
+ {TAS571X_IC_DELAY_CH1_REG, 0xac},
+ {TAS571X_IC_DELAY_CH2_REG, 0x54},
+ {TAS571X_IC_DELAY_CH3_REG, 0xac},
+ {TAS571X_IC_DELAY_CH4_REG, 0x54},
+ {TAS571X_PWM_CH_SDN_GROUP_REG, 0x30},
+ {TAS571X_START_STOP_PERIOD_REG, 0x0f},
+ {TAS571X_OSC_TRIM_REG, 0x82},
+ {TAS571X_BKND_ERR_REG, 0x02},
+ {TAS571X_INPUT_MUX_REG, 0x17772},
+ {TAS571X_CH4_SRC_SELECT_REG, 0x4303},
+ {TAS571X_PWM_MUX_REG, 0x1021345},
+};
+
+static const struct regmap_config tas5721_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 32,
+ .max_register = 0xff,
+ .reg_read = tas571x_reg_read,
+ .reg_write = tas571x_reg_write,
+ .reg_defaults = tas5721_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(tas5721_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+ .wr_table = &tas571x_write_regs,
+ .volatile_table = &tas571x_volatile_regs,
+};
+
+
+static const struct tas571x_chip tas5721_chip = {
+ .supply_names = tas5721_supply_names,
+ .num_supply_names = ARRAY_SIZE(tas5721_supply_names),
+ .controls = tas5711_controls,
+ .num_controls = ARRAY_SIZE(tas5711_controls),
+ .regmap_config = &tas5721_regmap_config,
+ .vol_reg_size = 1,
+};
+
+static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = {
+ SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
+
+ SND_SOC_DAPM_OUTPUT("OUT_A"),
+ SND_SOC_DAPM_OUTPUT("OUT_B"),
+ SND_SOC_DAPM_OUTPUT("OUT_C"),
+ SND_SOC_DAPM_OUTPUT("OUT_D"),
+};
+
+static const struct snd_soc_dapm_route tas571x_dapm_routes[] = {
+ { "DACL", NULL, "Playback" },
+ { "DACR", NULL, "Playback" },
+
+ { "OUT_A", NULL, "DACL" },
+ { "OUT_B", NULL, "DACL" },
+ { "OUT_C", NULL, "DACR" },
+ { "OUT_D", NULL, "DACR" },
+};
+
+static const struct snd_soc_codec_driver tas571x_codec = {
+ .set_bias_level = tas571x_set_bias_level,
+ .idle_bias_off = true,
+
+ .component_driver = {
+ .dapm_widgets = tas571x_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tas571x_dapm_widgets),
+ .dapm_routes = tas571x_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(tas571x_dapm_routes),
+ },
+};
+
+static struct snd_soc_dai_driver tas571x_dai = {
+ .name = "tas571x-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .ops = &tas571x_dai_ops,
+};
+
+static const struct of_device_id tas571x_of_match[];
+
+static int tas571x_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct tas571x_private *priv;
+ struct device *dev = &client->dev;
+ const struct of_device_id *of_id;
+ int i, ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+ i2c_set_clientdata(client, priv);
+
+ of_id = of_match_device(tas571x_of_match, dev);
+ if (of_id)
+ priv->chip = of_id->data;
+ else
+ priv->chip = (void *) id->driver_data;
+
+ priv->mclk = devm_clk_get(dev, "mclk");
+ if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) {
+ dev_err(dev, "Failed to request mclk: %ld\n",
+ PTR_ERR(priv->mclk));
+ return PTR_ERR(priv->mclk);
+ }
+
+ BUG_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES);
+ for (i = 0; i < priv->chip->num_supply_names; i++)
+ priv->supplies[i].supply = priv->chip->supply_names[i];
+
+ ret = devm_regulator_bulk_get(dev, priv->chip->num_supply_names,
+ priv->supplies);
+ if (ret) {
+ dev_err(dev, "Failed to get supplies: %d\n", ret);
+ return ret;
+ }
+ ret = regulator_bulk_enable(priv->chip->num_supply_names,
+ priv->supplies);
+ if (ret) {
+ dev_err(dev, "Failed to enable supplies: %d\n", ret);
+ return ret;
+ }
+
+ priv->regmap = devm_regmap_init(dev, NULL, client,
+ priv->chip->regmap_config);
+ if (IS_ERR(priv->regmap))
+ return PTR_ERR(priv->regmap);
+
+ priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW);
+ if (IS_ERR(priv->pdn_gpio)) {
+ dev_err(dev, "error requesting pdn_gpio: %ld\n",
+ PTR_ERR(priv->pdn_gpio));
+ return PTR_ERR(priv->pdn_gpio);
+ }
+
+ priv->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(priv->reset_gpio)) {
+ dev_err(dev, "error requesting reset_gpio: %ld\n",
+ PTR_ERR(priv->reset_gpio));
+ return PTR_ERR(priv->reset_gpio);
+ } else if (priv->reset_gpio) {
+ /* pulse the active low reset line for ~100us */
+ usleep_range(100, 200);
+ gpiod_set_value(priv->reset_gpio, 0);
+ usleep_range(13500, 20000);
+ }
+
+ ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0);
+ if (ret)
+ return ret;
+
+ usleep_range(50000, 60000);
+
+ memcpy(&priv->codec_driver, &tas571x_codec, sizeof(priv->codec_driver));
+ priv->codec_driver.component_driver.controls = priv->chip->controls;
+ priv->codec_driver.component_driver.num_controls = priv->chip->num_controls;
+
+ if (priv->chip->vol_reg_size == 2) {
+ /*
+ * The master volume defaults to 0x3ff (mute), but we ignore
+ * (zero) the LSB because the hardware step size is 0.125 dB
+ * and TLV_DB_SCALE_ITEM has a resolution of 0.01 dB.
+ */
+ ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0);
+ if (ret)
+ return ret;
+ }
+
+ return snd_soc_register_codec(&client->dev, &priv->codec_driver,
+ &tas571x_dai, 1);
+}
+
+static int tas571x_i2c_remove(struct i2c_client *client)
+{
+ struct tas571x_private *priv = i2c_get_clientdata(client);
+
+ snd_soc_unregister_codec(&client->dev);
+ regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
+
+ return 0;
+}
+
+static const struct of_device_id tas571x_of_match[] = {
+ { .compatible = "ti,tas5711", .data = &tas5711_chip, },
+ { .compatible = "ti,tas5717", .data = &tas5717_chip, },
+ { .compatible = "ti,tas5719", .data = &tas5717_chip, },
+ { .compatible = "ti,tas5721", .data = &tas5721_chip, },
+ { }
+};
+MODULE_DEVICE_TABLE(of, tas571x_of_match);
+
+static const struct i2c_device_id tas571x_i2c_id[] = {
+ { "tas5711", (kernel_ulong_t) &tas5711_chip },
+ { "tas5717", (kernel_ulong_t) &tas5717_chip },
+ { "tas5719", (kernel_ulong_t) &tas5717_chip },
+ { "tas5721", (kernel_ulong_t) &tas5721_chip },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id);
+
+static struct i2c_driver tas571x_i2c_driver = {
+ .driver = {
+ .name = "tas571x",
+ .of_match_table = of_match_ptr(tas571x_of_match),
+ },
+ .probe = tas571x_i2c_probe,
+ .remove = tas571x_i2c_remove,
+ .id_table = tas571x_i2c_id,
+};
+module_i2c_driver(tas571x_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC TAS571x driver");
+MODULE_AUTHOR("Kevin Cernekee <cernekee@chromium.org>");
+MODULE_LICENSE("GPL");