+++ /dev/null
-max98925 audio CODEC
-
-This device supports I2C.
-
-Required properties:
-
- - compatible : "maxim,max98925"
-
- - vmon-slot-no : slot number used to send voltage information
-
- - imon-slot-no : slot number used to send current information
-
- - reg : the I2C address of the device for I2C
-
-Example:
-
-codec: max98925@1a {
- compatible = "maxim,max98925";
- vmon-slot-no = <0>;
- imon-slot-no = <2>;
- reg = <0x1a>;
-};
+++ /dev/null
-max98926 audio CODEC
-
-This device supports I2C.
-
-Required properties:
-
- - compatible : "maxim,max98926"
-
- - vmon-slot-no : slot number used to send voltage information
- or in inteleave mode this will be used as
- interleave slot.
-
- - imon-slot-no : slot number used to send current information
-
- - interleave-mode : When using two MAX98926 in a system it is
- possible to create ADC data that that will
- overflow the frame size. Digital Audio Interleave
- mode provides a means to output VMON and IMON data
- from two devices on a single DOUT line when running
- smaller frames sizes such as 32 BCLKS per LRCLK or
- 48 BCLKS per LRCLK.
-
- - reg : the I2C address of the device for I2C
-
-Example:
-
-codec: max98926@1a {
- compatible = "maxim,max98926";
- vmon-slot-no = <0>;
- imon-slot-no = <2>;
- reg = <0x1a>;
-};
--- /dev/null
+Maxim Integrated MAX98925/MAX98926/MAX98927 Speaker Amplifier
+
+This device supports I2C.
+
+Required properties:
+
+ - compatible : should be one of the following
+ - "maxim,max98925"
+ - "maxim,max98926"
+ - "maxim,max98927"
+
+ - vmon-slot-no : slot number used to send voltage information
+ or in inteleave mode this will be used as
+ interleave slot.
+ MAX98925/MAX98926 slot range : 0 ~ 30, Default : 0
+ MAX98927 slot range : 0 ~ 15, Default : 0
+
+ - imon-slot-no : slot number used to send current information
+ MAX98925/MAX98926 slot range : 0 ~ 30, Default : 0
+ MAX98927 slot range : 0 ~ 15, Default : 0
+
+ - interleave-mode : When using two MAX9892X in a system it is
+ possible to create ADC data that that will
+ overflow the frame size. Digital Audio Interleave
+ mode provides a means to output VMON and IMON data
+ from two devices on a single DOUT line when running
+ smaller frames sizes such as 32 BCLKS per LRCLK or
+ 48 BCLKS per LRCLK.
+ Range : 0 (off), 1 (on), Default : 0
+
+ - reg : the I2C address of the device for I2C
+
+Example:
+
+codec: max98927@3a {
+ compatible = "maxim,max98927";
+ vmon-slot-no = <0>;
+ imon-slot-no = <1>;
+ interleave-mode = <0>;
+ reg = <0x3a>;
+};
--- /dev/null
+MT2701 with WM8960 CODEC
+
+Required properties:
+- compatible: "mediatek,mt2701-wm8960-machine"
+- mediatek,platform: the phandle of MT2701 ASoC platform
+- audio-routing: a list of the connections between audio
+- mediatek,audio-codec: the phandles of wm8960 codec
+- pinctrl-names: Should contain only one value - "default"
+- pinctrl-0: Should specify pin control groups used for this controller.
+
+Example:
+
+ sound:sound {
+ compatible = "mediatek,mt2701-wm8960-machine";
+ mediatek,platform = <&afe>;
+ audio-routing =
+ "Headphone", "HP_L",
+ "Headphone", "HP_R",
+ "LINPUT1", "AMIC",
+ "RINPUT1", "AMIC";
+ mediatek,audio-codec = <&wm8960>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&aud_pins_default>;
+ };
select SND_SOC_MAX9867 if I2C
select SND_SOC_MAX98925 if I2C
select SND_SOC_MAX98926 if I2C
+ select SND_SOC_MAX98927 if I2C
select SND_SOC_MAX9850 if I2C
select SND_SOC_MAX9860 if I2C
select SND_SOC_MAX9768 if I2C
config SND_SOC_MAX98926
tristate
+config SND_SOC_MAX98927
+ tristate "Maxim Integrated MAX98927 Speaker Amplifier"
+ depends on I2C
+
config SND_SOC_MAX9850
tristate
snd-soc-max9867-objs := max9867.o
snd-soc-max98925-objs := max98925.o
snd-soc-max98926-objs := max98926.o
+snd-soc-max98927-objs := max98927.o
snd-soc-max9850-objs := max9850.o
snd-soc-max9860-objs := max9860.o
snd-soc-mc13783-objs := mc13783.o
obj-$(CONFIG_SND_SOC_MAX9867) += snd-soc-max9867.o
obj-$(CONFIG_SND_SOC_MAX98925) += snd-soc-max98925.o
obj-$(CONFIG_SND_SOC_MAX98926) += snd-soc-max98926.o
+obj-$(CONFIG_SND_SOC_MAX98927) += snd-soc-max98927.o
obj-$(CONFIG_SND_SOC_MAX9850) += snd-soc-max9850.o
obj-$(CONFIG_SND_SOC_MAX9860) += snd-soc-max9860.o
obj-$(CONFIG_SND_SOC_MC13783) += snd-soc-mc13783.o
{ "max9867", 0 },
{ }
};
+MODULE_DEVICE_TABLE(i2c, max9867_i2c_id);
static const struct of_device_id max9867_of_match[] = {
{ .compatible = "maxim,max9867", },
{ }
};
-
-MODULE_DEVICE_TABLE(i2c, max9867_i2c_id);
+MODULE_DEVICE_TABLE(of, max9867_of_match);
static const struct dev_pm_ops max9867_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(max9867_suspend, max9867_resume)
--- /dev/null
+/*
+ * max98927.c -- MAX98927 ALSA Soc Audio driver
+ *
+ * Copyright (C) 2016 Maxim Integrated Products
+ * Author: Ryan Lee <ryans.lee@maximintegrated.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/acpi.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/cdev.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <sound/tlv.h>
+#include "max98927.h"
+
+static struct reg_default max98927_reg[] = {
+ {MAX98927_R0001_INT_RAW1, 0x00},
+ {MAX98927_R0002_INT_RAW2, 0x00},
+ {MAX98927_R0003_INT_RAW3, 0x00},
+ {MAX98927_R0004_INT_STATE1, 0x00},
+ {MAX98927_R0005_INT_STATE2, 0x00},
+ {MAX98927_R0006_INT_STATE3, 0x00},
+ {MAX98927_R0007_INT_FLAG1, 0x00},
+ {MAX98927_R0008_INT_FLAG2, 0x00},
+ {MAX98927_R0009_INT_FLAG3, 0x00},
+ {MAX98927_R000A_INT_EN1, 0x00},
+ {MAX98927_R000B_INT_EN2, 0x00},
+ {MAX98927_R000C_INT_EN3, 0x00},
+ {MAX98927_R000D_INT_FLAG_CLR1, 0x00},
+ {MAX98927_R000E_INT_FLAG_CLR2, 0x00},
+ {MAX98927_R000F_INT_FLAG_CLR3, 0x00},
+ {MAX98927_R0010_IRQ_CTRL, 0x00},
+ {MAX98927_R0011_CLK_MON, 0x00},
+ {MAX98927_R0012_WDOG_CTRL, 0x00},
+ {MAX98927_R0013_WDOG_RST, 0x00},
+ {MAX98927_R0014_MEAS_ADC_THERM_WARN_THRESH, 0x00},
+ {MAX98927_R0015_MEAS_ADC_THERM_SHDN_THRESH, 0x00},
+ {MAX98927_R0016_MEAS_ADC_THERM_HYSTERESIS, 0x00},
+ {MAX98927_R0017_PIN_CFG, 0x55},
+ {MAX98927_R0018_PCM_RX_EN_A, 0x00},
+ {MAX98927_R0019_PCM_RX_EN_B, 0x00},
+ {MAX98927_R001A_PCM_TX_EN_A, 0x00},
+ {MAX98927_R001B_PCM_TX_EN_B, 0x00},
+ {MAX98927_R001C_PCM_TX_HIZ_CTRL_A, 0x00},
+ {MAX98927_R001D_PCM_TX_HIZ_CTRL_B, 0x00},
+ {MAX98927_R001E_PCM_TX_CH_SRC_A, 0x00},
+ {MAX98927_R001F_PCM_TX_CH_SRC_B, 0x00},
+ {MAX98927_R0020_PCM_MODE_CFG, 0x40},
+ {MAX98927_R0021_PCM_MASTER_MODE, 0x00},
+ {MAX98927_R0022_PCM_CLK_SETUP, 0x22},
+ {MAX98927_R0023_PCM_SR_SETUP1, 0x00},
+ {MAX98927_R0024_PCM_SR_SETUP2, 0x00},
+ {MAX98927_R0025_PCM_TO_SPK_MONOMIX_A, 0x00},
+ {MAX98927_R0026_PCM_TO_SPK_MONOMIX_B, 0x00},
+ {MAX98927_R0027_ICC_RX_EN_A, 0x00},
+ {MAX98927_R0028_ICC_RX_EN_B, 0x00},
+ {MAX98927_R002B_ICC_TX_EN_A, 0x00},
+ {MAX98927_R002C_ICC_TX_EN_B, 0x00},
+ {MAX98927_R002E_ICC_HIZ_MANUAL_MODE, 0x00},
+ {MAX98927_R002F_ICC_TX_HIZ_EN_A, 0x00},
+ {MAX98927_R0030_ICC_TX_HIZ_EN_B, 0x00},
+ {MAX98927_R0031_ICC_LNK_EN, 0x00},
+ {MAX98927_R0032_PDM_TX_EN, 0x00},
+ {MAX98927_R0033_PDM_TX_HIZ_CTRL, 0x00},
+ {MAX98927_R0034_PDM_TX_CTRL, 0x00},
+ {MAX98927_R0035_PDM_RX_CTRL, 0x00},
+ {MAX98927_R0036_AMP_VOL_CTRL, 0x00},
+ {MAX98927_R0037_AMP_DSP_CFG, 0x02},
+ {MAX98927_R0038_TONE_GEN_DC_CFG, 0x00},
+ {MAX98927_R0039_DRE_CTRL, 0x01},
+ {MAX98927_R003A_AMP_EN, 0x00},
+ {MAX98927_R003B_SPK_SRC_SEL, 0x00},
+ {MAX98927_R003C_SPK_GAIN, 0x00},
+ {MAX98927_R003D_SSM_CFG, 0x01},
+ {MAX98927_R003E_MEAS_EN, 0x00},
+ {MAX98927_R003F_MEAS_DSP_CFG, 0x04},
+ {MAX98927_R0040_BOOST_CTRL0, 0x00},
+ {MAX98927_R0041_BOOST_CTRL3, 0x00},
+ {MAX98927_R0042_BOOST_CTRL1, 0x00},
+ {MAX98927_R0043_MEAS_ADC_CFG, 0x00},
+ {MAX98927_R0044_MEAS_ADC_BASE_MSB, 0x00},
+ {MAX98927_R0045_MEAS_ADC_BASE_LSB, 0x00},
+ {MAX98927_R0046_ADC_CH0_DIVIDE, 0x00},
+ {MAX98927_R0047_ADC_CH1_DIVIDE, 0x00},
+ {MAX98927_R0048_ADC_CH2_DIVIDE, 0x00},
+ {MAX98927_R0049_ADC_CH0_FILT_CFG, 0x00},
+ {MAX98927_R004A_ADC_CH1_FILT_CFG, 0x00},
+ {MAX98927_R004B_ADC_CH2_FILT_CFG, 0x00},
+ {MAX98927_R004C_MEAS_ADC_CH0_READ, 0x00},
+ {MAX98927_R004D_MEAS_ADC_CH1_READ, 0x00},
+ {MAX98927_R004E_MEAS_ADC_CH2_READ, 0x00},
+ {MAX98927_R0051_BROWNOUT_STATUS, 0x00},
+ {MAX98927_R0052_BROWNOUT_EN, 0x00},
+ {MAX98927_R0053_BROWNOUT_INFINITE_HOLD, 0x00},
+ {MAX98927_R0054_BROWNOUT_INFINITE_HOLD_CLR, 0x00},
+ {MAX98927_R0055_BROWNOUT_LVL_HOLD, 0x00},
+ {MAX98927_R005A_BROWNOUT_LVL1_THRESH, 0x00},
+ {MAX98927_R005B_BROWNOUT_LVL2_THRESH, 0x00},
+ {MAX98927_R005C_BROWNOUT_LVL3_THRESH, 0x00},
+ {MAX98927_R005D_BROWNOUT_LVL4_THRESH, 0x00},
+ {MAX98927_R005E_BROWNOUT_THRESH_HYSTERYSIS, 0x00},
+ {MAX98927_R005F_BROWNOUT_AMP_LIMITER_ATK_REL, 0x00},
+ {MAX98927_R0060_BROWNOUT_AMP_GAIN_ATK_REL, 0x00},
+ {MAX98927_R0061_BROWNOUT_AMP1_CLIP_MODE, 0x00},
+ {MAX98927_R0072_BROWNOUT_LVL1_CUR_LIMIT, 0x00},
+ {MAX98927_R0073_BROWNOUT_LVL1_AMP1_CTRL1, 0x00},
+ {MAX98927_R0074_BROWNOUT_LVL1_AMP1_CTRL2, 0x00},
+ {MAX98927_R0075_BROWNOUT_LVL1_AMP1_CTRL3, 0x00},
+ {MAX98927_R0076_BROWNOUT_LVL2_CUR_LIMIT, 0x00},
+ {MAX98927_R0077_BROWNOUT_LVL2_AMP1_CTRL1, 0x00},
+ {MAX98927_R0078_BROWNOUT_LVL2_AMP1_CTRL2, 0x00},
+ {MAX98927_R0079_BROWNOUT_LVL2_AMP1_CTRL3, 0x00},
+ {MAX98927_R007A_BROWNOUT_LVL3_CUR_LIMIT, 0x00},
+ {MAX98927_R007B_BROWNOUT_LVL3_AMP1_CTRL1, 0x00},
+ {MAX98927_R007C_BROWNOUT_LVL3_AMP1_CTRL2, 0x00},
+ {MAX98927_R007D_BROWNOUT_LVL3_AMP1_CTRL3, 0x00},
+ {MAX98927_R007E_BROWNOUT_LVL4_CUR_LIMIT, 0x00},
+ {MAX98927_R007F_BROWNOUT_LVL4_AMP1_CTRL1, 0x00},
+ {MAX98927_R0080_BROWNOUT_LVL4_AMP1_CTRL2, 0x00},
+ {MAX98927_R0081_BROWNOUT_LVL4_AMP1_CTRL3, 0x00},
+ {MAX98927_R0082_ENV_TRACK_VOUT_HEADROOM, 0x00},
+ {MAX98927_R0083_ENV_TRACK_BOOST_VOUT_DELAY, 0x00},
+ {MAX98927_R0084_ENV_TRACK_REL_RATE, 0x00},
+ {MAX98927_R0085_ENV_TRACK_HOLD_RATE, 0x00},
+ {MAX98927_R0086_ENV_TRACK_CTRL, 0x00},
+ {MAX98927_R0087_ENV_TRACK_BOOST_VOUT_READ, 0x00},
+ {MAX98927_R00FF_GLOBAL_SHDN, 0x00},
+ {MAX98927_R0100_SOFT_RESET, 0x00},
+ {MAX98927_R01FF_REV_ID, 0x40},
+};
+
+static int max98927_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec);
+ unsigned int mode = 0;
+ unsigned int format = 0;
+ unsigned int invert = 0;
+
+ dev_dbg(codec->dev, "%s: fmt 0x%08X\n", __func__, fmt);
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ mode = MAX98927_PCM_MASTER_MODE_SLAVE;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ max98927->master = true;
+ mode = MAX98927_PCM_MASTER_MODE_MASTER;
+ break;
+ default:
+ dev_err(codec->dev, "DAI clock mode unsupported");
+ return -EINVAL;
+ }
+
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0021_PCM_MASTER_MODE,
+ MAX98927_PCM_MASTER_MODE_MASK,
+ mode);
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ invert = MAX98927_PCM_MODE_CFG_PCM_BCLKEDGE;
+ break;
+ default:
+ dev_err(codec->dev, "DAI invert mode unsupported");
+ return -EINVAL;
+ }
+
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0020_PCM_MODE_CFG,
+ MAX98927_PCM_MODE_CFG_PCM_BCLKEDGE,
+ invert);
+
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ max98927->iface |= SND_SOC_DAIFMT_I2S;
+ format = MAX98927_PCM_FORMAT_I2S;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ max98927->iface |= SND_SOC_DAIFMT_LEFT_J;
+ format = MAX98927_PCM_FORMAT_LJ;
+ break;
+ case SND_SOC_DAIFMT_PDM:
+ max98927->iface |= SND_SOC_DAIFMT_PDM;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* pcm channel configuration */
+ if (max98927->iface & (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J)) {
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0018_PCM_RX_EN_A,
+ MAX98927_PCM_RX_CH0_EN | MAX98927_PCM_RX_CH1_EN,
+ MAX98927_PCM_RX_CH0_EN | MAX98927_PCM_RX_CH1_EN);
+
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0020_PCM_MODE_CFG,
+ MAX98927_PCM_MODE_CFG_FORMAT_MASK,
+ format << MAX98927_PCM_MODE_CFG_FORMAT_SHIFT);
+
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R003B_SPK_SRC_SEL,
+ MAX98927_SPK_SRC_MASK, 0);
+
+ } else
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0018_PCM_RX_EN_A,
+ MAX98927_PCM_RX_CH0_EN | MAX98927_PCM_RX_CH1_EN, 0);
+
+ /* pdm channel configuration */
+ if (max98927->iface & SND_SOC_DAIFMT_PDM) {
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0035_PDM_RX_CTRL,
+ MAX98927_PDM_RX_EN_MASK, 1);
+
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R003B_SPK_SRC_SEL,
+ MAX98927_SPK_SRC_MASK, 3);
+ } else
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0035_PDM_RX_CTRL,
+ MAX98927_PDM_RX_EN_MASK, 0);
+ return 0;
+}
+
+/* codec MCLK rate in master mode */
+static const int rate_table[] = {
+ 5644800, 6000000, 6144000, 6500000,
+ 9600000, 11289600, 12000000, 12288000,
+ 13000000, 19200000,
+};
+
+static int max98927_set_clock(struct max98927_priv *max98927,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_codec *codec = max98927->codec;
+ /* BCLK/LRCLK ratio calculation */
+ int blr_clk_ratio = params_channels(params) * max98927->ch_size;
+ int value;
+
+ if (max98927->master) {
+ int i;
+ /* match rate to closest value */
+ for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
+ if (rate_table[i] >= max98927->sysclk)
+ break;
+ }
+ if (i == ARRAY_SIZE(rate_table)) {
+ dev_err(codec->dev, "failed to find proper clock rate.\n");
+ return -EINVAL;
+ }
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0021_PCM_MASTER_MODE,
+ MAX98927_PCM_MASTER_MODE_MCLK_MASK,
+ i << MAX98927_PCM_MASTER_MODE_MCLK_RATE_SHIFT);
+ }
+
+ switch (blr_clk_ratio) {
+ case 32:
+ value = 2;
+ break;
+ case 48:
+ value = 3;
+ break;
+ case 64:
+ value = 4;
+ break;
+ default:
+ return -EINVAL;
+ }
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0022_PCM_CLK_SETUP,
+ MAX98927_PCM_CLK_SETUP_BSEL_MASK,
+ value);
+ return 0;
+}
+
+static int max98927_dai_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 max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec);
+ unsigned int sampling_rate = 0;
+ unsigned int chan_sz = 0;
+
+ /* pcm mode configuration */
+ switch (snd_pcm_format_width(params_format(params))) {
+ case 16:
+ chan_sz = MAX98927_PCM_MODE_CFG_CHANSZ_16;
+ break;
+ case 24:
+ chan_sz = MAX98927_PCM_MODE_CFG_CHANSZ_24;
+ break;
+ case 32:
+ chan_sz = MAX98927_PCM_MODE_CFG_CHANSZ_32;
+ break;
+ default:
+ dev_err(codec->dev, "format unsupported %d",
+ params_format(params));
+ goto err;
+ }
+
+ max98927->ch_size = snd_pcm_format_width(params_format(params));
+
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0020_PCM_MODE_CFG,
+ MAX98927_PCM_MODE_CFG_CHANSZ_MASK, chan_sz);
+
+ dev_dbg(codec->dev, "format supported %d",
+ params_format(params));
+
+ /* sampling rate configuration */
+ switch (params_rate(params)) {
+ case 8000:
+ sampling_rate = MAX98927_PCM_SR_SET1_SR_8000;
+ break;
+ case 11025:
+ sampling_rate = MAX98927_PCM_SR_SET1_SR_11025;
+ break;
+ case 12000:
+ sampling_rate = MAX98927_PCM_SR_SET1_SR_12000;
+ break;
+ case 16000:
+ sampling_rate = MAX98927_PCM_SR_SET1_SR_16000;
+ break;
+ case 22050:
+ sampling_rate = MAX98927_PCM_SR_SET1_SR_22050;
+ break;
+ case 24000:
+ sampling_rate = MAX98927_PCM_SR_SET1_SR_24000;
+ break;
+ case 32000:
+ sampling_rate = MAX98927_PCM_SR_SET1_SR_32000;
+ break;
+ case 44100:
+ sampling_rate = MAX98927_PCM_SR_SET1_SR_44100;
+ break;
+ case 48000:
+ sampling_rate = MAX98927_PCM_SR_SET1_SR_48000;
+ break;
+ default:
+ dev_err(codec->dev, "rate %d not supported\n",
+ params_rate(params));
+ goto err;
+ }
+ /* set DAI_SR to correct LRCLK frequency */
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0023_PCM_SR_SETUP1,
+ MAX98927_PCM_SR_SET1_SR_MASK,
+ sampling_rate);
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0024_PCM_SR_SETUP2,
+ MAX98927_PCM_SR_SET2_SR_MASK,
+ sampling_rate << MAX98927_PCM_SR_SET2_SR_SHIFT);
+
+ /* set sampling rate of IV */
+ if (max98927->interleave_mode &&
+ sampling_rate > MAX98927_PCM_SR_SET1_SR_16000)
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0024_PCM_SR_SETUP2,
+ MAX98927_PCM_SR_SET2_IVADC_SR_MASK,
+ sampling_rate - 3);
+ else
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R0024_PCM_SR_SETUP2,
+ MAX98927_PCM_SR_SET2_IVADC_SR_MASK,
+ sampling_rate);
+ return max98927_set_clock(max98927, params);
+err:
+ return -EINVAL;
+}
+
+#define MAX98927_RATES SNDRV_PCM_RATE_8000_48000
+
+#define MAX98927_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static int max98927_dai_set_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec);
+
+ max98927->sysclk = freq;
+ return 0;
+}
+
+static const struct snd_soc_dai_ops max98927_dai_ops = {
+ .set_sysclk = max98927_dai_set_sysclk,
+ .set_fmt = max98927_dai_set_fmt,
+ .hw_params = max98927_dai_hw_params,
+};
+
+static int max98927_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 max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R003A_AMP_EN,
+ MAX98927_AMP_EN_MASK, 1);
+ /* enable VMON and IMON */
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R003E_MEAS_EN,
+ MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN,
+ MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN);
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R00FF_GLOBAL_SHDN,
+ MAX98927_GLOBAL_EN_MASK, 1);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R00FF_GLOBAL_SHDN,
+ MAX98927_GLOBAL_EN_MASK, 0);
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R003A_AMP_EN,
+ MAX98927_AMP_EN_MASK, 0);
+ /* disable VMON and IMON */
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R003E_MEAS_EN,
+ MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN, 0);
+ break;
+ default:
+ return 0;
+ }
+ return 0;
+}
+
+static const char * const max98927_switch_text[] = {
+ "Left", "Right", "LeftRight"};
+
+static const struct soc_enum dai_sel_enum =
+ SOC_ENUM_SINGLE(MAX98927_R0025_PCM_TO_SPK_MONOMIX_A,
+ MAX98927_PCM_TO_SPK_MONOMIX_CFG_SHIFT,
+ 3, max98927_switch_text);
+
+static const struct snd_kcontrol_new max98927_dai_controls =
+ SOC_DAPM_ENUM("DAI Sel", dai_sel_enum);
+
+static const struct snd_soc_dapm_widget max98927_dapm_widgets[] = {
+ SND_SOC_DAPM_AIF_IN("DAI_OUT", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback", MAX98927_R003A_AMP_EN,
+ 0, 0, max98927_dac_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0,
+ &max98927_dai_controls),
+ SND_SOC_DAPM_OUTPUT("BE_OUT"),
+};
+
+static DECLARE_TLV_DB_SCALE(max98927_spk_tlv, 300, 300, 0);
+static DECLARE_TLV_DB_SCALE(max98927_digital_tlv, -1600, 25, 0);
+
+static bool max98927_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case MAX98927_R0001_INT_RAW1 ... MAX98927_R0028_ICC_RX_EN_B:
+ case MAX98927_R002B_ICC_TX_EN_A ... MAX98927_R002C_ICC_TX_EN_B:
+ case MAX98927_R002E_ICC_HIZ_MANUAL_MODE
+ ... MAX98927_R004E_MEAS_ADC_CH2_READ:
+ case MAX98927_R0051_BROWNOUT_STATUS
+ ... MAX98927_R0055_BROWNOUT_LVL_HOLD:
+ case MAX98927_R005A_BROWNOUT_LVL1_THRESH
+ ... MAX98927_R0061_BROWNOUT_AMP1_CLIP_MODE:
+ case MAX98927_R0072_BROWNOUT_LVL1_CUR_LIMIT
+ ... MAX98927_R0087_ENV_TRACK_BOOST_VOUT_READ:
+ case MAX98927_R00FF_GLOBAL_SHDN:
+ case MAX98927_R0100_SOFT_RESET:
+ case MAX98927_R01FF_REV_ID:
+ return true;
+ default:
+ return false;
+ }
+};
+
+static bool max98927_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case MAX98927_R0001_INT_RAW1 ... MAX98927_R0009_INT_FLAG3:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const char * const max98927_boost_voltage_text[] = {
+ "6.5V", "6.625V", "6.75V", "6.875V", "7V", "7.125V", "7.25V", "7.375V",
+ "7.5V", "7.625V", "7.75V", "7.875V", "8V", "8.125V", "8.25V", "8.375V",
+ "8.5V", "8.625V", "8.75V", "8.875V", "9V", "9.125V", "9.25V", "9.375V",
+ "9.5V", "9.625V", "9.75V", "9.875V", "10V"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98927_boost_voltage,
+ MAX98927_R0040_BOOST_CTRL0, 0,
+ max98927_boost_voltage_text);
+
+static const char * const max98927_current_limit_text[] = {
+ "1.00A", "1.10A", "1.20A", "1.30A", "1.40A", "1.50A", "1.60A", "1.70A",
+ "1.80A", "1.90A", "2.00A", "2.10A", "2.20A", "2.30A", "2.40A", "2.50A",
+ "2.60A", "2.70A", "2.80A", "2.90A", "3.00A", "3.10A", "3.20A", "3.30A",
+ "3.40A", "3.50A", "3.60A", "3.70A", "3.80A", "3.90A", "4.00A", "4.10A"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98927_current_limit,
+ MAX98927_R0042_BOOST_CTRL1, 1,
+ max98927_current_limit_text);
+
+static const struct snd_kcontrol_new max98927_snd_controls[] = {
+ SOC_SINGLE_TLV("Speaker Volume", MAX98927_R003C_SPK_GAIN,
+ 0, 6, 0,
+ max98927_spk_tlv),
+ SOC_SINGLE_TLV("Digital Volume", MAX98927_R0036_AMP_VOL_CTRL,
+ 0, (1<<MAX98927_AMP_VOL_WIDTH)-1, 0,
+ max98927_digital_tlv),
+ SOC_SINGLE("Amp DSP Switch", MAX98927_R0052_BROWNOUT_EN,
+ MAX98927_BROWNOUT_DSP_SHIFT, 1, 0),
+ SOC_SINGLE("Ramp Switch", MAX98927_R0037_AMP_DSP_CFG,
+ MAX98927_AMP_DSP_CFG_RMP_SHIFT, 1, 0),
+ SOC_SINGLE("DRE Switch", MAX98927_R0039_DRE_CTRL,
+ MAX98927_DRE_EN_SHIFT, 1, 0),
+ SOC_SINGLE("Volume Location Switch", MAX98927_R0036_AMP_VOL_CTRL,
+ MAX98927_AMP_VOL_SEL_SHIFT, 1, 0),
+ SOC_ENUM("Boost Output Voltage", max98927_boost_voltage),
+ SOC_ENUM("Current Limit", max98927_current_limit),
+};
+
+static const struct snd_soc_dapm_route max98927_audio_map[] = {
+ {"Amp Enable", NULL, "DAI_OUT"},
+ {"DAI Sel Mux", "Left", "Amp Enable"},
+ {"DAI Sel Mux", "Right", "Amp Enable"},
+ {"DAI Sel Mux", "LeftRight", "Amp Enable"},
+ {"BE_OUT", NULL, "DAI Sel Mux"},
+};
+
+static struct snd_soc_dai_driver max98927_dai[] = {
+ {
+ .name = "max98927-aif1",
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MAX98927_RATES,
+ .formats = MAX98927_FORMATS,
+ },
+ .capture = {
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MAX98927_RATES,
+ .formats = MAX98927_FORMATS,
+ },
+ .ops = &max98927_dai_ops,
+ }
+};
+
+static int max98927_probe(struct snd_soc_codec *codec)
+{
+ struct max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec);
+
+ max98927->codec = codec;
+ codec->control_data = max98927->regmap;
+ codec->cache_bypass = 1;
+
+ /* Software Reset */
+ regmap_write(max98927->regmap,
+ MAX98927_R0100_SOFT_RESET, MAX98927_SOFT_RESET);
+
+ /* IV default slot configuration */
+ regmap_write(max98927->regmap,
+ MAX98927_R001C_PCM_TX_HIZ_CTRL_A,
+ 0xFF);
+ regmap_write(max98927->regmap,
+ MAX98927_R001D_PCM_TX_HIZ_CTRL_B,
+ 0xFF);
+ regmap_write(max98927->regmap,
+ MAX98927_R0025_PCM_TO_SPK_MONOMIX_A,
+ 0x80);
+ regmap_write(max98927->regmap,
+ MAX98927_R0026_PCM_TO_SPK_MONOMIX_B,
+ 0x1);
+ /* Set inital volume (+13dB) */
+ regmap_write(max98927->regmap,
+ MAX98927_R0036_AMP_VOL_CTRL,
+ 0x38);
+ regmap_write(max98927->regmap,
+ MAX98927_R003C_SPK_GAIN,
+ 0x05);
+ /* Enable DC blocker */
+ regmap_write(max98927->regmap,
+ MAX98927_R0037_AMP_DSP_CFG,
+ 0x03);
+ /* Enable IMON VMON DC blocker */
+ regmap_write(max98927->regmap,
+ MAX98927_R003F_MEAS_DSP_CFG,
+ 0xF7);
+ /* Boost Output Voltage & Current limit */
+ regmap_write(max98927->regmap,
+ MAX98927_R0040_BOOST_CTRL0,
+ 0x1C);
+ regmap_write(max98927->regmap,
+ MAX98927_R0042_BOOST_CTRL1,
+ 0x3E);
+ /* Measurement ADC config */
+ regmap_write(max98927->regmap,
+ MAX98927_R0043_MEAS_ADC_CFG,
+ 0x04);
+ regmap_write(max98927->regmap,
+ MAX98927_R0044_MEAS_ADC_BASE_MSB,
+ 0x00);
+ regmap_write(max98927->regmap,
+ MAX98927_R0045_MEAS_ADC_BASE_LSB,
+ 0x24);
+ /* Brownout Level */
+ regmap_write(max98927->regmap,
+ MAX98927_R007F_BROWNOUT_LVL4_AMP1_CTRL1,
+ 0x06);
+ /* Envelope Tracking configuration */
+ regmap_write(max98927->regmap,
+ MAX98927_R0082_ENV_TRACK_VOUT_HEADROOM,
+ 0x08);
+ regmap_write(max98927->regmap,
+ MAX98927_R0086_ENV_TRACK_CTRL,
+ 0x01);
+ regmap_write(max98927->regmap,
+ MAX98927_R0087_ENV_TRACK_BOOST_VOUT_READ,
+ 0x10);
+
+ /* voltage, current slot configuration */
+ regmap_write(max98927->regmap,
+ MAX98927_R001E_PCM_TX_CH_SRC_A,
+ (max98927->i_l_slot<<MAX98927_PCM_TX_CH_SRC_A_I_SHIFT|
+ max98927->v_l_slot)&0xFF);
+
+ if (max98927->v_l_slot < 8) {
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R001C_PCM_TX_HIZ_CTRL_A,
+ 1 << max98927->v_l_slot, 0);
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R001A_PCM_TX_EN_A,
+ 1 << max98927->v_l_slot,
+ 1 << max98927->v_l_slot);
+ } else {
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R001D_PCM_TX_HIZ_CTRL_B,
+ 1 << (max98927->v_l_slot - 8), 0);
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R001B_PCM_TX_EN_B,
+ 1 << (max98927->v_l_slot - 8),
+ 1 << (max98927->v_l_slot - 8));
+ }
+
+ if (max98927->i_l_slot < 8) {
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R001C_PCM_TX_HIZ_CTRL_A,
+ 1 << max98927->i_l_slot, 0);
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R001A_PCM_TX_EN_A,
+ 1 << max98927->i_l_slot,
+ 1 << max98927->i_l_slot);
+ } else {
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R001D_PCM_TX_HIZ_CTRL_B,
+ 1 << (max98927->i_l_slot - 8), 0);
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R001B_PCM_TX_EN_B,
+ 1 << (max98927->i_l_slot - 8),
+ 1 << (max98927->i_l_slot - 8));
+ }
+
+ /* Set interleave mode */
+ if (max98927->interleave_mode)
+ regmap_update_bits(max98927->regmap,
+ MAX98927_R001F_PCM_TX_CH_SRC_B,
+ MAX98927_PCM_TX_CH_INTERLEAVE_MASK,
+ MAX98927_PCM_TX_CH_INTERLEAVE_MASK);
+ return 0;
+}
+
+static const struct snd_soc_codec_driver soc_codec_dev_max98927 = {
+ .probe = max98927_probe,
+ .component_driver = {
+ .controls = max98927_snd_controls,
+ .num_controls = ARRAY_SIZE(max98927_snd_controls),
+ .dapm_widgets = max98927_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(max98927_dapm_widgets),
+ .dapm_routes = max98927_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(max98927_audio_map),
+ },
+};
+
+static const struct regmap_config max98927_regmap = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .max_register = MAX98927_R01FF_REV_ID,
+ .reg_defaults = max98927_reg,
+ .num_reg_defaults = ARRAY_SIZE(max98927_reg),
+ .readable_reg = max98927_readable_register,
+ .volatile_reg = max98927_volatile_reg,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static void max98927_slot_config(struct i2c_client *i2c,
+ struct max98927_priv *max98927)
+{
+ int value;
+
+ if (!of_property_read_u32(i2c->dev.of_node,
+ "vmon-slot-no", &value))
+ max98927->v_l_slot = value & 0xF;
+ else
+ max98927->v_l_slot = 0;
+ if (!of_property_read_u32(i2c->dev.of_node,
+ "imon-slot-no", &value))
+ max98927->i_l_slot = value & 0xF;
+ else
+ max98927->i_l_slot = 1;
+}
+
+static int max98927_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+
+ int ret = 0, value;
+ int reg = 0;
+ struct max98927_priv *max98927 = NULL;
+
+ max98927 = devm_kzalloc(&i2c->dev,
+ sizeof(*max98927), GFP_KERNEL);
+
+ if (!max98927) {
+ ret = -ENOMEM;
+ return ret;
+ }
+ i2c_set_clientdata(i2c, max98927);
+
+ /* update interleave mode info */
+ if (!of_property_read_u32(i2c->dev.of_node,
+ "interleave_mode", &value)) {
+ if (value > 0)
+ max98927->interleave_mode = 1;
+ else
+ max98927->interleave_mode = 0;
+ } else
+ max98927->interleave_mode = 0;
+
+ /* regmap initialization */
+ max98927->regmap
+ = devm_regmap_init_i2c(i2c, &max98927_regmap);
+ if (IS_ERR(max98927->regmap)) {
+ ret = PTR_ERR(max98927->regmap);
+ dev_err(&i2c->dev,
+ "Failed to allocate regmap: %d\n", ret);
+ return ret;
+ }
+
+ /* Check Revision ID */
+ ret = regmap_read(max98927->regmap,
+ MAX98927_R01FF_REV_ID, ®);
+ if (ret < 0) {
+ dev_err(&i2c->dev,
+ "Failed to read: 0x%02X\n", MAX98927_R01FF_REV_ID);
+ return ret;
+ }
+ dev_info(&i2c->dev, "MAX98927 revisionID: 0x%02X\n", reg);
+
+ /* voltage/current slot configuration */
+ max98927_slot_config(i2c, max98927);
+
+ /* codec registeration */
+ ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_max98927,
+ max98927_dai, ARRAY_SIZE(max98927_dai));
+ if (ret < 0)
+ dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);
+
+ return ret;
+}
+
+static int max98927_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
+}
+
+static const struct i2c_device_id max98927_i2c_id[] = {
+ { "max98927", 0},
+ { },
+};
+
+MODULE_DEVICE_TABLE(i2c, max98927_i2c_id);
+
+#if defined(CONFIG_OF)
+static const struct of_device_id max98927_of_match[] = {
+ { .compatible = "maxim,max98927", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, max98927_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id max98927_acpi_match[] = {
+ { "MX98927", 0 },
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, max98927_acpi_match);
+#endif
+
+static struct i2c_driver max98927_i2c_driver = {
+ .driver = {
+ .name = "max98927",
+ .of_match_table = of_match_ptr(max98927_of_match),
+ .acpi_match_table = ACPI_PTR(max98927_acpi_match),
+ .pm = NULL,
+ },
+ .probe = max98927_i2c_probe,
+ .remove = max98927_i2c_remove,
+ .id_table = max98927_i2c_id,
+};
+
+module_i2c_driver(max98927_i2c_driver)
+
+MODULE_DESCRIPTION("ALSA SoC MAX98927 driver");
+MODULE_AUTHOR("Ryan Lee <ryans.lee@maximintegrated.com>");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * max98927.h -- MAX98927 ALSA Soc Audio driver
+ *
+ * Copyright 2013-15 Maxim Integrated Products
+ * Author: Ryan Lee <ryans.lee@maximintegrated.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.
+ *
+ */
+#ifndef _MAX98927_H
+#define _MAX98927_H
+
+/* Register Values */
+#define MAX98927_R0001_INT_RAW1 0x0001
+#define MAX98927_R0002_INT_RAW2 0x0002
+#define MAX98927_R0003_INT_RAW3 0x0003
+#define MAX98927_R0004_INT_STATE1 0x0004
+#define MAX98927_R0005_INT_STATE2 0x0005
+#define MAX98927_R0006_INT_STATE3 0x0006
+#define MAX98927_R0007_INT_FLAG1 0x0007
+#define MAX98927_R0008_INT_FLAG2 0x0008
+#define MAX98927_R0009_INT_FLAG3 0x0009
+#define MAX98927_R000A_INT_EN1 0x000A
+#define MAX98927_R000B_INT_EN2 0x000B
+#define MAX98927_R000C_INT_EN3 0x000C
+#define MAX98927_R000D_INT_FLAG_CLR1 0x000D
+#define MAX98927_R000E_INT_FLAG_CLR2 0x000E
+#define MAX98927_R000F_INT_FLAG_CLR3 0x000F
+#define MAX98927_R0010_IRQ_CTRL 0x0010
+#define MAX98927_R0011_CLK_MON 0x0011
+#define MAX98927_R0012_WDOG_CTRL 0x0012
+#define MAX98927_R0013_WDOG_RST 0x0013
+#define MAX98927_R0014_MEAS_ADC_THERM_WARN_THRESH 0x0014
+#define MAX98927_R0015_MEAS_ADC_THERM_SHDN_THRESH 0x0015
+#define MAX98927_R0016_MEAS_ADC_THERM_HYSTERESIS 0x0016
+#define MAX98927_R0017_PIN_CFG 0x0017
+#define MAX98927_R0018_PCM_RX_EN_A 0x0018
+#define MAX98927_R0019_PCM_RX_EN_B 0x0019
+#define MAX98927_R001A_PCM_TX_EN_A 0x001A
+#define MAX98927_R001B_PCM_TX_EN_B 0x001B
+#define MAX98927_R001C_PCM_TX_HIZ_CTRL_A 0x001C
+#define MAX98927_R001D_PCM_TX_HIZ_CTRL_B 0x001D
+#define MAX98927_R001E_PCM_TX_CH_SRC_A 0x001E
+#define MAX98927_R001F_PCM_TX_CH_SRC_B 0x001F
+#define MAX98927_R0020_PCM_MODE_CFG 0x0020
+#define MAX98927_R0021_PCM_MASTER_MODE 0x0021
+#define MAX98927_R0022_PCM_CLK_SETUP 0x0022
+#define MAX98927_R0023_PCM_SR_SETUP1 0x0023
+#define MAX98927_R0024_PCM_SR_SETUP2 0x0024
+#define MAX98927_R0025_PCM_TO_SPK_MONOMIX_A 0x0025
+#define MAX98927_R0026_PCM_TO_SPK_MONOMIX_B 0x0026
+#define MAX98927_R0027_ICC_RX_EN_A 0x0027
+#define MAX98927_R0028_ICC_RX_EN_B 0x0028
+#define MAX98927_R002B_ICC_TX_EN_A 0x002B
+#define MAX98927_R002C_ICC_TX_EN_B 0x002C
+#define MAX98927_R002E_ICC_HIZ_MANUAL_MODE 0x002E
+#define MAX98927_R002F_ICC_TX_HIZ_EN_A 0x002F
+#define MAX98927_R0030_ICC_TX_HIZ_EN_B 0x0030
+#define MAX98927_R0031_ICC_LNK_EN 0x0031
+#define MAX98927_R0032_PDM_TX_EN 0x0032
+#define MAX98927_R0033_PDM_TX_HIZ_CTRL 0x0033
+#define MAX98927_R0034_PDM_TX_CTRL 0x0034
+#define MAX98927_R0035_PDM_RX_CTRL 0x0035
+#define MAX98927_R0036_AMP_VOL_CTRL 0x0036
+#define MAX98927_R0037_AMP_DSP_CFG 0x0037
+#define MAX98927_R0038_TONE_GEN_DC_CFG 0x0038
+#define MAX98927_R0039_DRE_CTRL 0x0039
+#define MAX98927_R003A_AMP_EN 0x003A
+#define MAX98927_R003B_SPK_SRC_SEL 0x003B
+#define MAX98927_R003C_SPK_GAIN 0x003C
+#define MAX98927_R003D_SSM_CFG 0x003D
+#define MAX98927_R003E_MEAS_EN 0x003E
+#define MAX98927_R003F_MEAS_DSP_CFG 0x003F
+#define MAX98927_R0040_BOOST_CTRL0 0x0040
+#define MAX98927_R0041_BOOST_CTRL3 0x0041
+#define MAX98927_R0042_BOOST_CTRL1 0x0042
+#define MAX98927_R0043_MEAS_ADC_CFG 0x0043
+#define MAX98927_R0044_MEAS_ADC_BASE_MSB 0x0044
+#define MAX98927_R0045_MEAS_ADC_BASE_LSB 0x0045
+#define MAX98927_R0046_ADC_CH0_DIVIDE 0x0046
+#define MAX98927_R0047_ADC_CH1_DIVIDE 0x0047
+#define MAX98927_R0048_ADC_CH2_DIVIDE 0x0048
+#define MAX98927_R0049_ADC_CH0_FILT_CFG 0x0049
+#define MAX98927_R004A_ADC_CH1_FILT_CFG 0x004A
+#define MAX98927_R004B_ADC_CH2_FILT_CFG 0x004B
+#define MAX98927_R004C_MEAS_ADC_CH0_READ 0x004C
+#define MAX98927_R004D_MEAS_ADC_CH1_READ 0x004D
+#define MAX98927_R004E_MEAS_ADC_CH2_READ 0x004E
+#define MAX98927_R0051_BROWNOUT_STATUS 0x0051
+#define MAX98927_R0052_BROWNOUT_EN 0x0052
+#define MAX98927_R0053_BROWNOUT_INFINITE_HOLD 0x0053
+#define MAX98927_R0054_BROWNOUT_INFINITE_HOLD_CLR 0x0054
+#define MAX98927_R0055_BROWNOUT_LVL_HOLD 0x0055
+#define MAX98927_R005A_BROWNOUT_LVL1_THRESH 0x005A
+#define MAX98927_R005B_BROWNOUT_LVL2_THRESH 0x005B
+#define MAX98927_R005C_BROWNOUT_LVL3_THRESH 0x005C
+#define MAX98927_R005D_BROWNOUT_LVL4_THRESH 0x005D
+#define MAX98927_R005E_BROWNOUT_THRESH_HYSTERYSIS 0x005E
+#define MAX98927_R005F_BROWNOUT_AMP_LIMITER_ATK_REL 0x005F
+#define MAX98927_R0060_BROWNOUT_AMP_GAIN_ATK_REL 0x0060
+#define MAX98927_R0061_BROWNOUT_AMP1_CLIP_MODE 0x0061
+#define MAX98927_R0072_BROWNOUT_LVL1_CUR_LIMIT 0x0072
+#define MAX98927_R0073_BROWNOUT_LVL1_AMP1_CTRL1 0x0073
+#define MAX98927_R0074_BROWNOUT_LVL1_AMP1_CTRL2 0x0074
+#define MAX98927_R0075_BROWNOUT_LVL1_AMP1_CTRL3 0x0075
+#define MAX98927_R0076_BROWNOUT_LVL2_CUR_LIMIT 0x0076
+#define MAX98927_R0077_BROWNOUT_LVL2_AMP1_CTRL1 0x0077
+#define MAX98927_R0078_BROWNOUT_LVL2_AMP1_CTRL2 0x0078
+#define MAX98927_R0079_BROWNOUT_LVL2_AMP1_CTRL3 0x0079
+#define MAX98927_R007A_BROWNOUT_LVL3_CUR_LIMIT 0x007A
+#define MAX98927_R007B_BROWNOUT_LVL3_AMP1_CTRL1 0x007B
+#define MAX98927_R007C_BROWNOUT_LVL3_AMP1_CTRL2 0x007C
+#define MAX98927_R007D_BROWNOUT_LVL3_AMP1_CTRL3 0x007D
+#define MAX98927_R007E_BROWNOUT_LVL4_CUR_LIMIT 0x007E
+#define MAX98927_R007F_BROWNOUT_LVL4_AMP1_CTRL1 0x007F
+#define MAX98927_R0080_BROWNOUT_LVL4_AMP1_CTRL2 0x0080
+#define MAX98927_R0081_BROWNOUT_LVL4_AMP1_CTRL3 0x0081
+#define MAX98927_R0082_ENV_TRACK_VOUT_HEADROOM 0x0082
+#define MAX98927_R0083_ENV_TRACK_BOOST_VOUT_DELAY 0x0083
+#define MAX98927_R0084_ENV_TRACK_REL_RATE 0x0084
+#define MAX98927_R0085_ENV_TRACK_HOLD_RATE 0x0085
+#define MAX98927_R0086_ENV_TRACK_CTRL 0x0086
+#define MAX98927_R0087_ENV_TRACK_BOOST_VOUT_READ 0x0087
+#define MAX98927_R00FF_GLOBAL_SHDN 0x00FF
+#define MAX98927_R0100_SOFT_RESET 0x0100
+#define MAX98927_R01FF_REV_ID 0x01FF
+
+/* MAX98927_R0018_PCM_RX_EN_A */
+#define MAX98927_PCM_RX_CH0_EN (0x1 << 0)
+#define MAX98927_PCM_RX_CH1_EN (0x1 << 1)
+#define MAX98927_PCM_RX_CH2_EN (0x1 << 2)
+#define MAX98927_PCM_RX_CH3_EN (0x1 << 3)
+#define MAX98927_PCM_RX_CH4_EN (0x1 << 4)
+#define MAX98927_PCM_RX_CH5_EN (0x1 << 5)
+#define MAX98927_PCM_RX_CH6_EN (0x1 << 6)
+#define MAX98927_PCM_RX_CH7_EN (0x1 << 7)
+
+/* MAX98927_R001A_PCM_TX_EN_A */
+#define MAX98927_PCM_TX_CH0_EN (0x1 << 0)
+#define MAX98927_PCM_TX_CH1_EN (0x1 << 1)
+#define MAX98927_PCM_TX_CH2_EN (0x1 << 2)
+#define MAX98927_PCM_TX_CH3_EN (0x1 << 3)
+#define MAX98927_PCM_TX_CH4_EN (0x1 << 4)
+#define MAX98927_PCM_TX_CH5_EN (0x1 << 5)
+#define MAX98927_PCM_TX_CH6_EN (0x1 << 6)
+#define MAX98927_PCM_TX_CH7_EN (0x1 << 7)
+
+/* MAX98927_R001E_PCM_TX_CH_SRC_A */
+#define MAX98927_PCM_TX_CH_SRC_A_V_SHIFT (0)
+#define MAX98927_PCM_TX_CH_SRC_A_I_SHIFT (4)
+
+/* MAX98927_R001F_PCM_TX_CH_SRC_B */
+#define MAX98927_PCM_TX_CH_INTERLEAVE_MASK (0x1 << 5)
+
+/* MAX98927_R0020_PCM_MODE_CFG */
+#define MAX98927_PCM_MODE_CFG_PCM_BCLKEDGE (0x1 << 2)
+#define MAX98927_PCM_MODE_CFG_FORMAT_MASK (0x7 << 3)
+#define MAX98927_PCM_MODE_CFG_FORMAT_SHIFT (3)
+#define MAX98927_PCM_FORMAT_I2S (0x0 << 0)
+#define MAX98927_PCM_FORMAT_LJ (0x1 << 0)
+
+#define MAX98927_PCM_MODE_CFG_CHANSZ_MASK (0x3 << 6)
+#define MAX98927_PCM_MODE_CFG_CHANSZ_16 (0x1 << 6)
+#define MAX98927_PCM_MODE_CFG_CHANSZ_24 (0x2 << 6)
+#define MAX98927_PCM_MODE_CFG_CHANSZ_32 (0x3 << 6)
+
+/* MAX98927_R0021_PCM_MASTER_MODE */
+#define MAX98927_PCM_MASTER_MODE_MASK (0x3 << 0)
+#define MAX98927_PCM_MASTER_MODE_SLAVE (0x0 << 0)
+#define MAX98927_PCM_MASTER_MODE_MASTER (0x3 << 0)
+
+#define MAX98927_PCM_MASTER_MODE_MCLK_MASK (0xF << 2)
+#define MAX98927_PCM_MASTER_MODE_MCLK_RATE_SHIFT (2)
+
+/* MAX98927_R0022_PCM_CLK_SETUP */
+#define MAX98927_PCM_CLK_SETUP_BSEL_MASK (0xF << 0)
+
+/* MAX98927_R0023_PCM_SR_SETUP1 */
+#define MAX98927_PCM_SR_SET1_SR_MASK (0xF << 0)
+
+#define MAX98927_PCM_SR_SET1_SR_8000 (0x0 << 0)
+#define MAX98927_PCM_SR_SET1_SR_11025 (0x1 << 0)
+#define MAX98927_PCM_SR_SET1_SR_12000 (0x2 << 0)
+#define MAX98927_PCM_SR_SET1_SR_16000 (0x3 << 0)
+#define MAX98927_PCM_SR_SET1_SR_22050 (0x4 << 0)
+#define MAX98927_PCM_SR_SET1_SR_24000 (0x5 << 0)
+#define MAX98927_PCM_SR_SET1_SR_32000 (0x6 << 0)
+#define MAX98927_PCM_SR_SET1_SR_44100 (0x7 << 0)
+#define MAX98927_PCM_SR_SET1_SR_48000 (0x8 << 0)
+
+/* MAX98927_R0024_PCM_SR_SETUP2 */
+#define MAX98927_PCM_SR_SET2_SR_MASK (0xF << 4)
+#define MAX98927_PCM_SR_SET2_SR_SHIFT (4)
+#define MAX98927_PCM_SR_SET2_IVADC_SR_MASK (0xf << 0)
+
+/* MAX98927_R0025_PCM_TO_SPK_MONOMIX_A */
+#define MAX98927_PCM_TO_SPK_MONOMIX_CFG_MASK (0x3 << 6)
+#define MAX98927_PCM_TO_SPK_MONOMIX_CFG_SHIFT (6)
+
+/* MAX98927_R0035_PDM_RX_CTRL */
+#define MAX98927_PDM_RX_EN_MASK (0x1 << 0)
+
+/* MAX98927_R0036_AMP_VOL_CTRL */
+#define MAX98927_AMP_VOL_SEL (0x1 << 7)
+#define MAX98927_AMP_VOL_SEL_WIDTH (1)
+#define MAX98927_AMP_VOL_SEL_SHIFT (7)
+#define MAX98927_AMP_VOL_MASK (0x7f << 0)
+#define MAX98927_AMP_VOL_WIDTH (7)
+#define MAX98927_AMP_VOL_SHIFT (0)
+
+/* MAX98927_R0037_AMP_DSP_CFG */
+#define MAX98927_AMP_DSP_CFG_DCBLK_EN (0x1 << 0)
+#define MAX98927_AMP_DSP_CFG_DITH_EN (0x1 << 1)
+#define MAX98927_AMP_DSP_CFG_RMP_BYPASS (0x1 << 4)
+#define MAX98927_AMP_DSP_CFG_DAC_INV (0x1 << 5)
+#define MAX98927_AMP_DSP_CFG_RMP_SHIFT (4)
+
+/* MAX98927_R0039_DRE_CTRL */
+#define MAX98927_DRE_CTRL_DRE_EN (0x1 << 0)
+#define MAX98927_DRE_EN_SHIFT 0x1
+
+/* MAX98927_R003A_AMP_EN */
+#define MAX98927_AMP_EN_MASK (0x1 << 0)
+
+/* MAX98927_R003B_SPK_SRC_SEL */
+#define MAX98927_SPK_SRC_MASK (0x3 << 0)
+
+/* MAX98927_R003C_SPK_GAIN */
+#define MAX98927_SPK_PCM_GAIN_MASK (0x7 << 0)
+#define MAX98927_SPK_PDM_GAIN_MASK (0x7 << 4)
+#define MAX98927_SPK_GAIN_WIDTH (3)
+
+/* MAX98927_R003E_MEAS_EN */
+#define MAX98927_MEAS_V_EN (0x1 << 0)
+#define MAX98927_MEAS_I_EN (0x1 << 1)
+
+/* MAX98927_R0040_BOOST_CTRL0 */
+#define MAX98927_BOOST_CTRL0_VOUT_MASK (0x1f << 0)
+#define MAX98927_BOOST_CTRL0_PVDD_MASK (0x1 << 7)
+#define MAX98927_BOOST_CTRL0_PVDD_EN_SHIFT (7)
+
+/* MAX98927_R0052_BROWNOUT_EN */
+#define MAX98927_BROWNOUT_BDE_EN (0x1 << 0)
+#define MAX98927_BROWNOUT_AMP_EN (0x1 << 1)
+#define MAX98927_BROWNOUT_DSP_EN (0x1 << 2)
+#define MAX98927_BROWNOUT_DSP_SHIFT (2)
+
+/* MAX98927_R0100_SOFT_RESET */
+#define MAX98927_SOFT_RESET (0x1 << 0)
+
+/* MAX98927_R00FF_GLOBAL_SHDN */
+#define MAX98927_GLOBAL_EN_MASK (0x1 << 0)
+
+struct max98927_priv {
+ struct regmap *regmap;
+ struct snd_soc_codec *codec;
+ struct max98927_pdata *pdata;
+ unsigned int spk_gain;
+ unsigned int sysclk;
+ unsigned int v_l_slot;
+ unsigned int i_l_slot;
+ bool interleave_mode;
+ unsigned int ch_size;
+ unsigned int rate;
+ unsigned int iface;
+ unsigned int master;
+ unsigned int digital_gain;
+};
+#endif
/* scaling for mclk from sysclk_src output */
static const struct nau8540_fll_attr mclk_src_scaling[] = {
- { 1, 0x0 },
- { 2, 0x2 },
- { 4, 0x3 },
- { 8, 0x4 },
- { 16, 0x5 },
- { 32, 0x6 },
- { 3, 0x7 },
- { 6, 0xa },
- { 12, 0xb },
- { 24, 0xc },
+ { 1, 0x0 },
+ { 2, 0x2 },
+ { 4, 0x3 },
+ { 8, 0x4 },
+ { 16, 0x5 },
+ { 32, 0x6 },
+ { 3, 0x7 },
+ { 6, 0xa },
+ { 12, 0xb },
+ { 24, 0xc },
};
/* ratio for input clk freq */
static const struct nau8540_fll_attr fll_ratio[] = {
- { 512000, 0x01 },
- { 256000, 0x02 },
- { 128000, 0x04 },
- { 64000, 0x08 },
- { 32000, 0x10 },
- { 8000, 0x20 },
- { 4000, 0x40 },
+ { 512000, 0x01 },
+ { 256000, 0x02 },
+ { 128000, 0x04 },
+ { 64000, 0x08 },
+ { 32000, 0x10 },
+ { 8000, 0x20 },
+ { 4000, 0x40 },
};
static const struct nau8540_fll_attr fll_pre_scalar[] = {
- { 1, 0x0 },
- { 2, 0x1 },
- { 4, 0x2 },
- { 8, 0x3 },
+ { 1, 0x0 },
+ { 2, 0x1 },
+ { 4, 0x2 },
+ { 8, 0x3 },
};
/* over sampling rate */
static const struct nau8540_osr_attr osr_adc_sel[] = {
- { 32, 3 }, /* OSR 32, SRC 1/8 */
- { 64, 2 }, /* OSR 64, SRC 1/4 */
- { 128, 1 }, /* OSR 128, SRC 1/2 */
- { 256, 0 }, /* OSR 256, SRC 1 */
+ { 32, 3 }, /* OSR 32, SRC 1/8 */
+ { 64, 2 }, /* OSR 64, SRC 1/4 */
+ { 128, 1 }, /* OSR 128, SRC 1/2 */
+ { 256, 0 }, /* OSR 256, SRC 1 */
};
static const struct reg_default nau8540_reg_defaults[] = {
- {NAU8540_REG_POWER_MANAGEMENT, 0x0000},
- {NAU8540_REG_CLOCK_CTRL, 0x0000},
- {NAU8540_REG_CLOCK_SRC, 0x0000},
- {NAU8540_REG_FLL1, 0x0001},
- {NAU8540_REG_FLL2, 0x3126},
- {NAU8540_REG_FLL3, 0x0008},
- {NAU8540_REG_FLL4, 0x0010},
- {NAU8540_REG_FLL5, 0xC000},
- {NAU8540_REG_FLL6, 0x6000},
- {NAU8540_REG_FLL_VCO_RSV, 0xF13C},
- {NAU8540_REG_PCM_CTRL0, 0x000B},
- {NAU8540_REG_PCM_CTRL1, 0x3010},
- {NAU8540_REG_PCM_CTRL2, 0x0800},
- {NAU8540_REG_PCM_CTRL3, 0x0000},
- {NAU8540_REG_PCM_CTRL4, 0x000F},
- {NAU8540_REG_ALC_CONTROL_1, 0x0000},
- {NAU8540_REG_ALC_CONTROL_2, 0x700B},
- {NAU8540_REG_ALC_CONTROL_3, 0x0022},
- {NAU8540_REG_ALC_CONTROL_4, 0x1010},
- {NAU8540_REG_ALC_CONTROL_5, 0x1010},
- {NAU8540_REG_NOTCH_FIL1_CH1, 0x0000},
- {NAU8540_REG_NOTCH_FIL2_CH1, 0x0000},
- {NAU8540_REG_NOTCH_FIL1_CH2, 0x0000},
- {NAU8540_REG_NOTCH_FIL2_CH2, 0x0000},
- {NAU8540_REG_NOTCH_FIL1_CH3, 0x0000},
- {NAU8540_REG_NOTCH_FIL2_CH3, 0x0000},
- {NAU8540_REG_NOTCH_FIL1_CH4, 0x0000},
- {NAU8540_REG_NOTCH_FIL2_CH4, 0x0000},
- {NAU8540_REG_HPF_FILTER_CH12, 0x0000},
- {NAU8540_REG_HPF_FILTER_CH34, 0x0000},
- {NAU8540_REG_ADC_SAMPLE_RATE, 0x0002},
- {NAU8540_REG_DIGITAL_GAIN_CH1, 0x0400},
- {NAU8540_REG_DIGITAL_GAIN_CH2, 0x0400},
- {NAU8540_REG_DIGITAL_GAIN_CH3, 0x0400},
- {NAU8540_REG_DIGITAL_GAIN_CH4, 0x0400},
- {NAU8540_REG_DIGITAL_MUX, 0x00E4},
- {NAU8540_REG_GPIO_CTRL, 0x0000},
- {NAU8540_REG_MISC_CTRL, 0x0000},
- {NAU8540_REG_I2C_CTRL, 0xEFFF},
- {NAU8540_REG_VMID_CTRL, 0x0000},
- {NAU8540_REG_MUTE, 0x0000},
- {NAU8540_REG_ANALOG_ADC1, 0x0011},
- {NAU8540_REG_ANALOG_ADC2, 0x0020},
- {NAU8540_REG_ANALOG_PWR, 0x0000},
- {NAU8540_REG_MIC_BIAS, 0x0004},
- {NAU8540_REG_REFERENCE, 0x0000},
- {NAU8540_REG_FEPGA1, 0x0000},
- {NAU8540_REG_FEPGA2, 0x0000},
- {NAU8540_REG_FEPGA3, 0x0101},
- {NAU8540_REG_FEPGA4, 0x0101},
- {NAU8540_REG_PWR, 0x0000},
+ {NAU8540_REG_POWER_MANAGEMENT, 0x0000},
+ {NAU8540_REG_CLOCK_CTRL, 0x0000},
+ {NAU8540_REG_CLOCK_SRC, 0x0000},
+ {NAU8540_REG_FLL1, 0x0001},
+ {NAU8540_REG_FLL2, 0x3126},
+ {NAU8540_REG_FLL3, 0x0008},
+ {NAU8540_REG_FLL4, 0x0010},
+ {NAU8540_REG_FLL5, 0xC000},
+ {NAU8540_REG_FLL6, 0x6000},
+ {NAU8540_REG_FLL_VCO_RSV, 0xF13C},
+ {NAU8540_REG_PCM_CTRL0, 0x000B},
+ {NAU8540_REG_PCM_CTRL1, 0x3010},
+ {NAU8540_REG_PCM_CTRL2, 0x0800},
+ {NAU8540_REG_PCM_CTRL3, 0x0000},
+ {NAU8540_REG_PCM_CTRL4, 0x000F},
+ {NAU8540_REG_ALC_CONTROL_1, 0x0000},
+ {NAU8540_REG_ALC_CONTROL_2, 0x700B},
+ {NAU8540_REG_ALC_CONTROL_3, 0x0022},
+ {NAU8540_REG_ALC_CONTROL_4, 0x1010},
+ {NAU8540_REG_ALC_CONTROL_5, 0x1010},
+ {NAU8540_REG_NOTCH_FIL1_CH1, 0x0000},
+ {NAU8540_REG_NOTCH_FIL2_CH1, 0x0000},
+ {NAU8540_REG_NOTCH_FIL1_CH2, 0x0000},
+ {NAU8540_REG_NOTCH_FIL2_CH2, 0x0000},
+ {NAU8540_REG_NOTCH_FIL1_CH3, 0x0000},
+ {NAU8540_REG_NOTCH_FIL2_CH3, 0x0000},
+ {NAU8540_REG_NOTCH_FIL1_CH4, 0x0000},
+ {NAU8540_REG_NOTCH_FIL2_CH4, 0x0000},
+ {NAU8540_REG_HPF_FILTER_CH12, 0x0000},
+ {NAU8540_REG_HPF_FILTER_CH34, 0x0000},
+ {NAU8540_REG_ADC_SAMPLE_RATE, 0x0002},
+ {NAU8540_REG_DIGITAL_GAIN_CH1, 0x0400},
+ {NAU8540_REG_DIGITAL_GAIN_CH2, 0x0400},
+ {NAU8540_REG_DIGITAL_GAIN_CH3, 0x0400},
+ {NAU8540_REG_DIGITAL_GAIN_CH4, 0x0400},
+ {NAU8540_REG_DIGITAL_MUX, 0x00E4},
+ {NAU8540_REG_GPIO_CTRL, 0x0000},
+ {NAU8540_REG_MISC_CTRL, 0x0000},
+ {NAU8540_REG_I2C_CTRL, 0xEFFF},
+ {NAU8540_REG_VMID_CTRL, 0x0000},
+ {NAU8540_REG_MUTE, 0x0000},
+ {NAU8540_REG_ANALOG_ADC1, 0x0011},
+ {NAU8540_REG_ANALOG_ADC2, 0x0020},
+ {NAU8540_REG_ANALOG_PWR, 0x0000},
+ {NAU8540_REG_MIC_BIAS, 0x0004},
+ {NAU8540_REG_REFERENCE, 0x0000},
+ {NAU8540_REG_FEPGA1, 0x0000},
+ {NAU8540_REG_FEPGA2, 0x0000},
+ {NAU8540_REG_FEPGA3, 0x0101},
+ {NAU8540_REG_FEPGA4, 0x0101},
+ {NAU8540_REG_PWR, 0x0000},
};
static bool nau8540_readable_reg(struct device *dev, unsigned int reg)
{
- switch (reg) {
- case NAU8540_REG_POWER_MANAGEMENT ... NAU8540_REG_FLL_VCO_RSV:
- case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4:
- case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5:
- case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ADC_SAMPLE_RATE:
- case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX:
- case NAU8540_REG_P2P_CH1 ... NAU8540_REG_I2C_CTRL:
- case NAU8540_REG_I2C_DEVICE_ID:
- case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
- case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR:
- return true;
- default:
- return false;
- }
+ switch (reg) {
+ case NAU8540_REG_POWER_MANAGEMENT ... NAU8540_REG_FLL_VCO_RSV:
+ case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4:
+ case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5:
+ case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ADC_SAMPLE_RATE:
+ case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX:
+ case NAU8540_REG_P2P_CH1 ... NAU8540_REG_I2C_CTRL:
+ case NAU8540_REG_I2C_DEVICE_ID:
+ case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
+ case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR:
+ return true;
+ default:
+ return false;
+ }
}
static bool nau8540_writeable_reg(struct device *dev, unsigned int reg)
{
- switch (reg) {
- case NAU8540_REG_SW_RESET ... NAU8540_REG_FLL_VCO_RSV:
- case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4:
- case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5:
- case NAU8540_REG_NOTCH_FIL1_CH1 ... NAU8540_REG_ADC_SAMPLE_RATE:
- case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX:
- case NAU8540_REG_GPIO_CTRL ... NAU8540_REG_I2C_CTRL:
- case NAU8540_REG_RST:
- case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
- case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR:
- return true;
- default:
- return false;
- }
+ switch (reg) {
+ case NAU8540_REG_SW_RESET ... NAU8540_REG_FLL_VCO_RSV:
+ case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4:
+ case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5:
+ case NAU8540_REG_NOTCH_FIL1_CH1 ... NAU8540_REG_ADC_SAMPLE_RATE:
+ case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX:
+ case NAU8540_REG_GPIO_CTRL ... NAU8540_REG_I2C_CTRL:
+ case NAU8540_REG_RST:
+ case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE:
+ case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR:
+ return true;
+ default:
+ return false;
+ }
}
static bool nau8540_volatile_reg(struct device *dev, unsigned int reg)
{
- switch (reg) {
- case NAU8540_REG_SW_RESET:
- case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ALC_STATUS:
- case NAU8540_REG_P2P_CH1 ... NAU8540_REG_PEAK_CH4:
- case NAU8540_REG_I2C_DEVICE_ID:
- case NAU8540_REG_RST:
- return true;
- default:
- return false;
- }
+ switch (reg) {
+ case NAU8540_REG_SW_RESET:
+ case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ALC_STATUS:
+ case NAU8540_REG_P2P_CH1 ... NAU8540_REG_PEAK_CH4:
+ case NAU8540_REG_I2C_DEVICE_ID:
+ case NAU8540_REG_RST:
+ return true;
+ default:
+ return false;
+ }
}
static const DECLARE_TLV_DB_MINMAX(fepga_gain_tlv, -100, 3600);
static const struct snd_kcontrol_new nau8540_snd_controls[] = {
- SOC_SINGLE_TLV("Mic1 Volume", NAU8540_REG_DIGITAL_GAIN_CH1,
- 0, 0x520, 0, adc_vol_tlv),
- SOC_SINGLE_TLV("Mic2 Volume", NAU8540_REG_DIGITAL_GAIN_CH2,
- 0, 0x520, 0, adc_vol_tlv),
- SOC_SINGLE_TLV("Mic3 Volume", NAU8540_REG_DIGITAL_GAIN_CH3,
- 0, 0x520, 0, adc_vol_tlv),
- SOC_SINGLE_TLV("Mic4 Volume", NAU8540_REG_DIGITAL_GAIN_CH4,
- 0, 0x520, 0, adc_vol_tlv),
-
- SOC_SINGLE_TLV("Frontend PGA1 Volume", NAU8540_REG_FEPGA3,
- 0, 0x25, 0, fepga_gain_tlv),
- SOC_SINGLE_TLV("Frontend PGA2 Volume", NAU8540_REG_FEPGA3,
- 8, 0x25, 0, fepga_gain_tlv),
- SOC_SINGLE_TLV("Frontend PGA3 Volume", NAU8540_REG_FEPGA4,
- 0, 0x25, 0, fepga_gain_tlv),
- SOC_SINGLE_TLV("Frontend PGA4 Volume", NAU8540_REG_FEPGA4,
- 8, 0x25, 0, fepga_gain_tlv),
+ SOC_SINGLE_TLV("Mic1 Volume", NAU8540_REG_DIGITAL_GAIN_CH1,
+ 0, 0x520, 0, adc_vol_tlv),
+ SOC_SINGLE_TLV("Mic2 Volume", NAU8540_REG_DIGITAL_GAIN_CH2,
+ 0, 0x520, 0, adc_vol_tlv),
+ SOC_SINGLE_TLV("Mic3 Volume", NAU8540_REG_DIGITAL_GAIN_CH3,
+ 0, 0x520, 0, adc_vol_tlv),
+ SOC_SINGLE_TLV("Mic4 Volume", NAU8540_REG_DIGITAL_GAIN_CH4,
+ 0, 0x520, 0, adc_vol_tlv),
+
+ SOC_SINGLE_TLV("Frontend PGA1 Volume", NAU8540_REG_FEPGA3,
+ 0, 0x25, 0, fepga_gain_tlv),
+ SOC_SINGLE_TLV("Frontend PGA2 Volume", NAU8540_REG_FEPGA3,
+ 8, 0x25, 0, fepga_gain_tlv),
+ SOC_SINGLE_TLV("Frontend PGA3 Volume", NAU8540_REG_FEPGA4,
+ 0, 0x25, 0, fepga_gain_tlv),
+ SOC_SINGLE_TLV("Frontend PGA4 Volume", NAU8540_REG_FEPGA4,
+ 8, 0x25, 0, fepga_gain_tlv),
};
static const char * const adc_channel[] = {
- "ADC channel 1", "ADC channel 2", "ADC channel 3", "ADC channel 4"
+ "ADC channel 1", "ADC channel 2", "ADC channel 3", "ADC channel 4"
};
static SOC_ENUM_SINGLE_DECL(
- digital_ch4_enum, NAU8540_REG_DIGITAL_MUX, 6, adc_channel);
+ digital_ch4_enum, NAU8540_REG_DIGITAL_MUX, 6, adc_channel);
static const struct snd_kcontrol_new digital_ch4_mux =
- SOC_DAPM_ENUM("Digital CH4 Select", digital_ch4_enum);
+ SOC_DAPM_ENUM("Digital CH4 Select", digital_ch4_enum);
static SOC_ENUM_SINGLE_DECL(
- digital_ch3_enum, NAU8540_REG_DIGITAL_MUX, 4, adc_channel);
+ digital_ch3_enum, NAU8540_REG_DIGITAL_MUX, 4, adc_channel);
static const struct snd_kcontrol_new digital_ch3_mux =
- SOC_DAPM_ENUM("Digital CH3 Select", digital_ch3_enum);
+ SOC_DAPM_ENUM("Digital CH3 Select", digital_ch3_enum);
static SOC_ENUM_SINGLE_DECL(
- digital_ch2_enum, NAU8540_REG_DIGITAL_MUX, 2, adc_channel);
+ digital_ch2_enum, NAU8540_REG_DIGITAL_MUX, 2, adc_channel);
static const struct snd_kcontrol_new digital_ch2_mux =
- SOC_DAPM_ENUM("Digital CH2 Select", digital_ch2_enum);
+ SOC_DAPM_ENUM("Digital CH2 Select", digital_ch2_enum);
static SOC_ENUM_SINGLE_DECL(
- digital_ch1_enum, NAU8540_REG_DIGITAL_MUX, 0, adc_channel);
+ digital_ch1_enum, NAU8540_REG_DIGITAL_MUX, 0, adc_channel);
static const struct snd_kcontrol_new digital_ch1_mux =
- SOC_DAPM_ENUM("Digital CH1 Select", digital_ch1_enum);
+ SOC_DAPM_ENUM("Digital CH1 Select", digital_ch1_enum);
static const struct snd_soc_dapm_widget nau8540_dapm_widgets[] = {
- SND_SOC_DAPM_SUPPLY("MICBIAS2", NAU8540_REG_MIC_BIAS, 11, 0, NULL, 0),
- SND_SOC_DAPM_SUPPLY("MICBIAS1", NAU8540_REG_MIC_BIAS, 10, 0, NULL, 0),
-
- SND_SOC_DAPM_INPUT("MIC1"),
- SND_SOC_DAPM_INPUT("MIC2"),
- SND_SOC_DAPM_INPUT("MIC3"),
- SND_SOC_DAPM_INPUT("MIC4"),
-
- SND_SOC_DAPM_PGA("Frontend PGA1", NAU8540_REG_PWR, 12, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Frontend PGA2", NAU8540_REG_PWR, 13, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Frontend PGA3", NAU8540_REG_PWR, 14, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Frontend PGA4", NAU8540_REG_PWR, 15, 0, NULL, 0),
-
- SND_SOC_DAPM_ADC("ADC1", NULL,
- NAU8540_REG_POWER_MANAGEMENT, 0, 0),
- SND_SOC_DAPM_ADC("ADC2", NULL,
- NAU8540_REG_POWER_MANAGEMENT, 1, 0),
- SND_SOC_DAPM_ADC("ADC3", NULL,
- NAU8540_REG_POWER_MANAGEMENT, 2, 0),
- SND_SOC_DAPM_ADC("ADC4", NULL,
- NAU8540_REG_POWER_MANAGEMENT, 3, 0),
-
- SND_SOC_DAPM_PGA("ADC CH1", NAU8540_REG_ANALOG_PWR, 0, 0, NULL, 0),
- SND_SOC_DAPM_PGA("ADC CH2", NAU8540_REG_ANALOG_PWR, 1, 0, NULL, 0),
- SND_SOC_DAPM_PGA("ADC CH3", NAU8540_REG_ANALOG_PWR, 2, 0, NULL, 0),
- SND_SOC_DAPM_PGA("ADC CH4", NAU8540_REG_ANALOG_PWR, 3, 0, NULL, 0),
-
- SND_SOC_DAPM_MUX("Digital CH4 Mux",
- SND_SOC_NOPM, 0, 0, &digital_ch4_mux),
- SND_SOC_DAPM_MUX("Digital CH3 Mux",
- SND_SOC_NOPM, 0, 0, &digital_ch3_mux),
- SND_SOC_DAPM_MUX("Digital CH2 Mux",
- SND_SOC_NOPM, 0, 0, &digital_ch2_mux),
- SND_SOC_DAPM_MUX("Digital CH1 Mux",
- SND_SOC_NOPM, 0, 0, &digital_ch1_mux),
-
- SND_SOC_DAPM_AIF_OUT("AIFTX", "Capture", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_SUPPLY("MICBIAS2", NAU8540_REG_MIC_BIAS, 11, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MICBIAS1", NAU8540_REG_MIC_BIAS, 10, 0, NULL, 0),
+
+ SND_SOC_DAPM_INPUT("MIC1"),
+ SND_SOC_DAPM_INPUT("MIC2"),
+ SND_SOC_DAPM_INPUT("MIC3"),
+ SND_SOC_DAPM_INPUT("MIC4"),
+
+ SND_SOC_DAPM_PGA("Frontend PGA1", NAU8540_REG_PWR, 12, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Frontend PGA2", NAU8540_REG_PWR, 13, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Frontend PGA3", NAU8540_REG_PWR, 14, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Frontend PGA4", NAU8540_REG_PWR, 15, 0, NULL, 0),
+
+ SND_SOC_DAPM_ADC("ADC1", NULL,
+ NAU8540_REG_POWER_MANAGEMENT, 0, 0),
+ SND_SOC_DAPM_ADC("ADC2", NULL,
+ NAU8540_REG_POWER_MANAGEMENT, 1, 0),
+ SND_SOC_DAPM_ADC("ADC3", NULL,
+ NAU8540_REG_POWER_MANAGEMENT, 2, 0),
+ SND_SOC_DAPM_ADC("ADC4", NULL,
+ NAU8540_REG_POWER_MANAGEMENT, 3, 0),
+
+ SND_SOC_DAPM_PGA("ADC CH1", NAU8540_REG_ANALOG_PWR, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("ADC CH2", NAU8540_REG_ANALOG_PWR, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("ADC CH3", NAU8540_REG_ANALOG_PWR, 2, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("ADC CH4", NAU8540_REG_ANALOG_PWR, 3, 0, NULL, 0),
+
+ SND_SOC_DAPM_MUX("Digital CH4 Mux",
+ SND_SOC_NOPM, 0, 0, &digital_ch4_mux),
+ SND_SOC_DAPM_MUX("Digital CH3 Mux",
+ SND_SOC_NOPM, 0, 0, &digital_ch3_mux),
+ SND_SOC_DAPM_MUX("Digital CH2 Mux",
+ SND_SOC_NOPM, 0, 0, &digital_ch2_mux),
+ SND_SOC_DAPM_MUX("Digital CH1 Mux",
+ SND_SOC_NOPM, 0, 0, &digital_ch1_mux),
+
+ SND_SOC_DAPM_AIF_OUT("AIFTX", "Capture", 0, SND_SOC_NOPM, 0, 0),
};
static const struct snd_soc_dapm_route nau8540_dapm_routes[] = {
- {"Frontend PGA1", NULL, "MIC1"},
- {"Frontend PGA2", NULL, "MIC2"},
- {"Frontend PGA3", NULL, "MIC3"},
- {"Frontend PGA4", NULL, "MIC4"},
-
- {"ADC1", NULL, "Frontend PGA1"},
- {"ADC2", NULL, "Frontend PGA2"},
- {"ADC3", NULL, "Frontend PGA3"},
- {"ADC4", NULL, "Frontend PGA4"},
-
- {"ADC CH1", NULL, "ADC1"},
- {"ADC CH2", NULL, "ADC2"},
- {"ADC CH3", NULL, "ADC3"},
- {"ADC CH4", NULL, "ADC4"},
-
- {"ADC1", NULL, "MICBIAS1"},
- {"ADC2", NULL, "MICBIAS1"},
- {"ADC3", NULL, "MICBIAS2"},
- {"ADC4", NULL, "MICBIAS2"},
-
- {"Digital CH1 Mux", "ADC channel 1", "ADC CH1"},
- {"Digital CH1 Mux", "ADC channel 2", "ADC CH2"},
- {"Digital CH1 Mux", "ADC channel 3", "ADC CH3"},
- {"Digital CH1 Mux", "ADC channel 4", "ADC CH4"},
-
- {"Digital CH2 Mux", "ADC channel 1", "ADC CH1"},
- {"Digital CH2 Mux", "ADC channel 2", "ADC CH2"},
- {"Digital CH2 Mux", "ADC channel 3", "ADC CH3"},
- {"Digital CH2 Mux", "ADC channel 4", "ADC CH4"},
-
- {"Digital CH3 Mux", "ADC channel 1", "ADC CH1"},
- {"Digital CH3 Mux", "ADC channel 2", "ADC CH2"},
- {"Digital CH3 Mux", "ADC channel 3", "ADC CH3"},
- {"Digital CH3 Mux", "ADC channel 4", "ADC CH4"},
-
- {"Digital CH4 Mux", "ADC channel 1", "ADC CH1"},
- {"Digital CH4 Mux", "ADC channel 2", "ADC CH2"},
- {"Digital CH4 Mux", "ADC channel 3", "ADC CH3"},
- {"Digital CH4 Mux", "ADC channel 4", "ADC CH4"},
-
- {"AIFTX", NULL, "Digital CH1 Mux"},
- {"AIFTX", NULL, "Digital CH2 Mux"},
- {"AIFTX", NULL, "Digital CH3 Mux"},
- {"AIFTX", NULL, "Digital CH4 Mux"},
+ {"Frontend PGA1", NULL, "MIC1"},
+ {"Frontend PGA2", NULL, "MIC2"},
+ {"Frontend PGA3", NULL, "MIC3"},
+ {"Frontend PGA4", NULL, "MIC4"},
+
+ {"ADC1", NULL, "Frontend PGA1"},
+ {"ADC2", NULL, "Frontend PGA2"},
+ {"ADC3", NULL, "Frontend PGA3"},
+ {"ADC4", NULL, "Frontend PGA4"},
+
+ {"ADC CH1", NULL, "ADC1"},
+ {"ADC CH2", NULL, "ADC2"},
+ {"ADC CH3", NULL, "ADC3"},
+ {"ADC CH4", NULL, "ADC4"},
+
+ {"ADC1", NULL, "MICBIAS1"},
+ {"ADC2", NULL, "MICBIAS1"},
+ {"ADC3", NULL, "MICBIAS2"},
+ {"ADC4", NULL, "MICBIAS2"},
+
+ {"Digital CH1 Mux", "ADC channel 1", "ADC CH1"},
+ {"Digital CH1 Mux", "ADC channel 2", "ADC CH2"},
+ {"Digital CH1 Mux", "ADC channel 3", "ADC CH3"},
+ {"Digital CH1 Mux", "ADC channel 4", "ADC CH4"},
+
+ {"Digital CH2 Mux", "ADC channel 1", "ADC CH1"},
+ {"Digital CH2 Mux", "ADC channel 2", "ADC CH2"},
+ {"Digital CH2 Mux", "ADC channel 3", "ADC CH3"},
+ {"Digital CH2 Mux", "ADC channel 4", "ADC CH4"},
+
+ {"Digital CH3 Mux", "ADC channel 1", "ADC CH1"},
+ {"Digital CH3 Mux", "ADC channel 2", "ADC CH2"},
+ {"Digital CH3 Mux", "ADC channel 3", "ADC CH3"},
+ {"Digital CH3 Mux", "ADC channel 4", "ADC CH4"},
+
+ {"Digital CH4 Mux", "ADC channel 1", "ADC CH1"},
+ {"Digital CH4 Mux", "ADC channel 2", "ADC CH2"},
+ {"Digital CH4 Mux", "ADC channel 3", "ADC CH3"},
+ {"Digital CH4 Mux", "ADC channel 4", "ADC CH4"},
+
+ {"AIFTX", NULL, "Digital CH1 Mux"},
+ {"AIFTX", NULL, "Digital CH2 Mux"},
+ {"AIFTX", NULL, "Digital CH3 Mux"},
+ {"AIFTX", NULL, "Digital CH4 Mux"},
};
static int nau8540_clock_check(struct nau8540 *nau8540, int rate, int osr)
{
- int osrate;
+ int osrate;
- if (osr >= ARRAY_SIZE(osr_adc_sel))
- return -EINVAL;
- osrate = osr_adc_sel[osr].osr;
+ if (osr >= ARRAY_SIZE(osr_adc_sel))
+ return -EINVAL;
+ osrate = osr_adc_sel[osr].osr;
- if (rate * osr > CLK_ADC_MAX) {
- dev_err(nau8540->dev, "exceed the maximum frequency of CLK_ADC\n");
- return -EINVAL;
- }
+ if (rate * osr > CLK_ADC_MAX) {
+ dev_err(nau8540->dev, "exceed the maximum frequency of CLK_ADC\n");
+ return -EINVAL;
+ }
- return 0;
+ return 0;
}
static int nau8540_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
- unsigned int val_len = 0, osr;
-
- /* CLK_ADC = OSR * FS
- * ADC clock frequency is defined as Over Sampling Rate (OSR)
- * multiplied by the audio sample rate (Fs). Note that the OSR and Fs
- * values must be selected such that the maximum frequency is less
- * than 6.144 MHz.
- */
- regmap_read(nau8540->regmap, NAU8540_REG_ADC_SAMPLE_RATE, &osr);
- osr &= NAU8540_ADC_OSR_MASK;
- if (nau8540_clock_check(nau8540, params_rate(params), osr))
- return -EINVAL;
- regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
- NAU8540_CLK_ADC_SRC_MASK,
- osr_adc_sel[osr].clk_src << NAU8540_CLK_ADC_SRC_SFT);
-
- switch (params_width(params)) {
- case 16:
- val_len |= NAU8540_I2S_DL_16;
- break;
- case 20:
- val_len |= NAU8540_I2S_DL_20;
- break;
- case 24:
- val_len |= NAU8540_I2S_DL_24;
- break;
- case 32:
- val_len |= NAU8540_I2S_DL_32;
- break;
- default:
- return -EINVAL;
- }
-
- regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0,
- NAU8540_I2S_DL_MASK, val_len);
-
- return 0;
+ struct snd_soc_codec *codec = dai->codec;
+ struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+ unsigned int val_len = 0, osr;
+
+ /* CLK_ADC = OSR * FS
+ * ADC clock frequency is defined as Over Sampling Rate (OSR)
+ * multiplied by the audio sample rate (Fs). Note that the OSR and Fs
+ * values must be selected such that the maximum frequency is less
+ * than 6.144 MHz.
+ */
+ regmap_read(nau8540->regmap, NAU8540_REG_ADC_SAMPLE_RATE, &osr);
+ osr &= NAU8540_ADC_OSR_MASK;
+ if (nau8540_clock_check(nau8540, params_rate(params), osr))
+ return -EINVAL;
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
+ NAU8540_CLK_ADC_SRC_MASK,
+ osr_adc_sel[osr].clk_src << NAU8540_CLK_ADC_SRC_SFT);
+
+ switch (params_width(params)) {
+ case 16:
+ val_len |= NAU8540_I2S_DL_16;
+ break;
+ case 20:
+ val_len |= NAU8540_I2S_DL_20;
+ break;
+ case 24:
+ val_len |= NAU8540_I2S_DL_24;
+ break;
+ case 32:
+ val_len |= NAU8540_I2S_DL_32;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0,
+ NAU8540_I2S_DL_MASK, val_len);
+
+ return 0;
}
static int nau8540_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
- struct snd_soc_codec *codec = dai->codec;
- struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
- unsigned int ctrl1_val = 0, ctrl2_val = 0;
-
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
- ctrl2_val |= NAU8540_I2S_MS_MASTER;
- break;
- case SND_SOC_DAIFMT_CBS_CFS:
- break;
- default:
- return -EINVAL;
- }
-
- switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
- case SND_SOC_DAIFMT_NB_NF:
- break;
- case SND_SOC_DAIFMT_IB_NF:
- ctrl1_val |= NAU8540_I2S_BP_INV;
- break;
- default:
- return -EINVAL;
- }
-
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- ctrl1_val |= NAU8540_I2S_DF_I2S;
- break;
- case SND_SOC_DAIFMT_LEFT_J:
- ctrl1_val |= NAU8540_I2S_DF_LEFT;
- break;
- case SND_SOC_DAIFMT_RIGHT_J:
- ctrl1_val |= NAU8540_I2S_DF_RIGTH;
- break;
- case SND_SOC_DAIFMT_DSP_A:
- ctrl1_val |= NAU8540_I2S_DF_PCM_AB;
- break;
- case SND_SOC_DAIFMT_DSP_B:
- ctrl1_val |= NAU8540_I2S_DF_PCM_AB;
- ctrl1_val |= NAU8540_I2S_PCMB_EN;
- break;
- default:
- return -EINVAL;
- }
-
- regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0,
- NAU8540_I2S_DL_MASK | NAU8540_I2S_DF_MASK |
- NAU8540_I2S_BP_INV | NAU8540_I2S_PCMB_EN, ctrl1_val);
- regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1,
- NAU8540_I2S_MS_MASK | NAU8540_I2S_DO12_OE, ctrl2_val);
- regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2,
- NAU8540_I2S_DO34_OE, 0);
-
- return 0;
+ struct snd_soc_codec *codec = dai->codec;
+ struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+ unsigned int ctrl1_val = 0, ctrl2_val = 0;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ ctrl2_val |= NAU8540_I2S_MS_MASTER;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ ctrl1_val |= NAU8540_I2S_BP_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ ctrl1_val |= NAU8540_I2S_DF_I2S;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ ctrl1_val |= NAU8540_I2S_DF_LEFT;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ ctrl1_val |= NAU8540_I2S_DF_RIGTH;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ ctrl1_val |= NAU8540_I2S_DF_PCM_AB;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ ctrl1_val |= NAU8540_I2S_DF_PCM_AB;
+ ctrl1_val |= NAU8540_I2S_PCMB_EN;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0,
+ NAU8540_I2S_DL_MASK | NAU8540_I2S_DF_MASK |
+ NAU8540_I2S_BP_INV | NAU8540_I2S_PCMB_EN, ctrl1_val);
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1,
+ NAU8540_I2S_MS_MASK | NAU8540_I2S_DO12_OE, ctrl2_val);
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2,
+ NAU8540_I2S_DO34_OE, 0);
+
+ return 0;
}
/**
* Configures a DAI for TDM operation. Only support 4 slots TDM.
*/
static int nau8540_set_tdm_slot(struct snd_soc_dai *dai,
- unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
+ unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
{
- struct snd_soc_codec *codec = dai->codec;
- struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
- unsigned int ctrl2_val = 0, ctrl4_val = 0;
-
- if (slots > 4 || ((tx_mask & 0xf0) && (tx_mask & 0xf)))
- return -EINVAL;
-
- ctrl4_val |= (NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN);
- if (tx_mask & 0xf0) {
- ctrl2_val = 4 * slot_width;
- ctrl4_val |= (tx_mask >> 4);
- } else {
- ctrl4_val |= tx_mask;
- }
- regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL4,
- NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN |
- NAU8540_TDM_TX_MASK, ctrl4_val);
- regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1,
- NAU8540_I2S_DO12_OE, NAU8540_I2S_DO12_OE);
- regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2,
- NAU8540_I2S_DO34_OE | NAU8540_I2S_TSLOT_L_MASK,
- NAU8540_I2S_DO34_OE | ctrl2_val);
-
- return 0;
+ struct snd_soc_codec *codec = dai->codec;
+ struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+ unsigned int ctrl2_val = 0, ctrl4_val = 0;
+
+ if (slots > 4 || ((tx_mask & 0xf0) && (tx_mask & 0xf)))
+ return -EINVAL;
+
+ ctrl4_val |= (NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN);
+ if (tx_mask & 0xf0) {
+ ctrl2_val = 4 * slot_width;
+ ctrl4_val |= (tx_mask >> 4);
+ } else {
+ ctrl4_val |= tx_mask;
+ }
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL4,
+ NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN |
+ NAU8540_TDM_TX_MASK, ctrl4_val);
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1,
+ NAU8540_I2S_DO12_OE, NAU8540_I2S_DO12_OE);
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2,
+ NAU8540_I2S_DO34_OE | NAU8540_I2S_TSLOT_L_MASK,
+ NAU8540_I2S_DO34_OE | ctrl2_val);
+
+ return 0;
}
static const struct snd_soc_dai_ops nau8540_dai_ops = {
- .hw_params = nau8540_hw_params,
- .set_fmt = nau8540_set_fmt,
- .set_tdm_slot = nau8540_set_tdm_slot,
+ .hw_params = nau8540_hw_params,
+ .set_fmt = nau8540_set_fmt,
+ .set_tdm_slot = nau8540_set_tdm_slot,
};
#define NAU8540_RATES SNDRV_PCM_RATE_8000_48000
#define NAU8540_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
- | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
+ | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_driver nau8540_dai = {
- .name = "nau8540-hifi",
- .capture = {
- .stream_name = "Capture",
- .channels_min = 1,
- .channels_max = 4,
- .rates = NAU8540_RATES,
- .formats = NAU8540_FORMATS,
- },
- .ops = &nau8540_dai_ops,
+ .name = "nau8540-hifi",
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 4,
+ .rates = NAU8540_RATES,
+ .formats = NAU8540_FORMATS,
+ },
+ .ops = &nau8540_dai_ops,
};
/**
* Returns 0 for success or negative error code.
*/
static int nau8540_calc_fll_param(unsigned int fll_in,
- unsigned int fs, struct nau8540_fll *fll_param)
+ unsigned int fs, struct nau8540_fll *fll_param)
{
- u64 fvco, fvco_max;
- unsigned int fref, i, fvco_sel;
-
- /* Ensure the reference clock frequency (FREF) is <= 13.5MHz by dividing
- * freq_in by 1, 2, 4, or 8 using FLL pre-scalar.
- * FREF = freq_in / NAU8540_FLL_REF_DIV_MASK
- */
- for (i = 0; i < ARRAY_SIZE(fll_pre_scalar); i++) {
- fref = fll_in / fll_pre_scalar[i].param;
- if (fref <= NAU_FREF_MAX)
- break;
- }
- if (i == ARRAY_SIZE(fll_pre_scalar))
- return -EINVAL;
- fll_param->clk_ref_div = fll_pre_scalar[i].val;
-
- /* Choose the FLL ratio based on FREF */
- for (i = 0; i < ARRAY_SIZE(fll_ratio); i++) {
- if (fref >= fll_ratio[i].param)
- break;
- }
- if (i == ARRAY_SIZE(fll_ratio))
- return -EINVAL;
- fll_param->ratio = fll_ratio[i].val;
-
- /* Calculate the frequency of DCO (FDCO) given freq_out = 256 * Fs.
- * FDCO must be within the 90MHz - 124MHz or the FFL cannot be
- * guaranteed across the full range of operation.
- * FDCO = freq_out * 2 * mclk_src_scaling
- */
- fvco_max = 0;
- fvco_sel = ARRAY_SIZE(mclk_src_scaling);
- for (i = 0; i < ARRAY_SIZE(mclk_src_scaling); i++) {
- fvco = 256 * fs * 2 * mclk_src_scaling[i].param;
- if (fvco > NAU_FVCO_MIN && fvco < NAU_FVCO_MAX &&
- fvco_max < fvco) {
- fvco_max = fvco;
- fvco_sel = i;
- }
- }
- if (ARRAY_SIZE(mclk_src_scaling) == fvco_sel)
- return -EINVAL;
- fll_param->mclk_src = mclk_src_scaling[fvco_sel].val;
-
- /* Calculate the FLL 10-bit integer input and the FLL 16-bit fractional
- * input based on FDCO, FREF and FLL ratio.
- */
- fvco = div_u64(fvco_max << 16, fref * fll_param->ratio);
- fll_param->fll_int = (fvco >> 16) & 0x3FF;
- fll_param->fll_frac = fvco & 0xFFFF;
- return 0;
+ u64 fvco, fvco_max;
+ unsigned int fref, i, fvco_sel;
+
+ /* Ensure the reference clock frequency (FREF) is <= 13.5MHz by dividing
+ * freq_in by 1, 2, 4, or 8 using FLL pre-scalar.
+ * FREF = freq_in / NAU8540_FLL_REF_DIV_MASK
+ */
+ for (i = 0; i < ARRAY_SIZE(fll_pre_scalar); i++) {
+ fref = fll_in / fll_pre_scalar[i].param;
+ if (fref <= NAU_FREF_MAX)
+ break;
+ }
+ if (i == ARRAY_SIZE(fll_pre_scalar))
+ return -EINVAL;
+ fll_param->clk_ref_div = fll_pre_scalar[i].val;
+
+ /* Choose the FLL ratio based on FREF */
+ for (i = 0; i < ARRAY_SIZE(fll_ratio); i++) {
+ if (fref >= fll_ratio[i].param)
+ break;
+ }
+ if (i == ARRAY_SIZE(fll_ratio))
+ return -EINVAL;
+ fll_param->ratio = fll_ratio[i].val;
+
+ /* Calculate the frequency of DCO (FDCO) given freq_out = 256 * Fs.
+ * FDCO must be within the 90MHz - 124MHz or the FFL cannot be
+ * guaranteed across the full range of operation.
+ * FDCO = freq_out * 2 * mclk_src_scaling
+ */
+ fvco_max = 0;
+ fvco_sel = ARRAY_SIZE(mclk_src_scaling);
+ for (i = 0; i < ARRAY_SIZE(mclk_src_scaling); i++) {
+ fvco = 256 * fs * 2 * mclk_src_scaling[i].param;
+ if (fvco > NAU_FVCO_MIN && fvco < NAU_FVCO_MAX &&
+ fvco_max < fvco) {
+ fvco_max = fvco;
+ fvco_sel = i;
+ }
+ }
+ if (ARRAY_SIZE(mclk_src_scaling) == fvco_sel)
+ return -EINVAL;
+ fll_param->mclk_src = mclk_src_scaling[fvco_sel].val;
+
+ /* Calculate the FLL 10-bit integer input and the FLL 16-bit fractional
+ * input based on FDCO, FREF and FLL ratio.
+ */
+ fvco = div_u64(fvco_max << 16, fref * fll_param->ratio);
+ fll_param->fll_int = (fvco >> 16) & 0x3FF;
+ fll_param->fll_frac = fvco & 0xFFFF;
+ return 0;
}
static void nau8540_fll_apply(struct regmap *regmap,
- struct nau8540_fll *fll_param)
+ struct nau8540_fll *fll_param)
{
- regmap_update_bits(regmap, NAU8540_REG_CLOCK_SRC,
- NAU8540_CLK_SRC_MASK | NAU8540_CLK_MCLK_SRC_MASK,
- NAU8540_CLK_SRC_MCLK | fll_param->mclk_src);
- regmap_update_bits(regmap, NAU8540_REG_FLL1,
- NAU8540_FLL_RATIO_MASK, fll_param->ratio);
- /* FLL 16-bit fractional input */
- regmap_write(regmap, NAU8540_REG_FLL2, fll_param->fll_frac);
- /* FLL 10-bit integer input */
- regmap_update_bits(regmap, NAU8540_REG_FLL3,
- NAU8540_FLL_INTEGER_MASK, fll_param->fll_int);
- /* FLL pre-scaler */
- regmap_update_bits(regmap, NAU8540_REG_FLL4,
- NAU8540_FLL_REF_DIV_MASK,
- fll_param->clk_ref_div << NAU8540_FLL_REF_DIV_SFT);
- regmap_update_bits(regmap, NAU8540_REG_FLL5,
- NAU8540_FLL_CLK_SW_MASK, NAU8540_FLL_CLK_SW_REF);
- regmap_update_bits(regmap,
- NAU8540_REG_FLL6, NAU8540_DCO_EN, 0);
- if (fll_param->fll_frac) {
- regmap_update_bits(regmap, NAU8540_REG_FLL5,
- NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
- NAU8540_FLL_FTR_SW_MASK,
- NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
- NAU8540_FLL_FTR_SW_FILTER);
- regmap_update_bits(regmap, NAU8540_REG_FLL6,
- NAU8540_SDM_EN, NAU8540_SDM_EN);
- } else {
- regmap_update_bits(regmap, NAU8540_REG_FLL5,
- NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
- NAU8540_FLL_FTR_SW_MASK, NAU8540_FLL_FTR_SW_ACCU);
- regmap_update_bits(regmap,
- NAU8540_REG_FLL6, NAU8540_SDM_EN, 0);
- }
+ regmap_update_bits(regmap, NAU8540_REG_CLOCK_SRC,
+ NAU8540_CLK_SRC_MASK | NAU8540_CLK_MCLK_SRC_MASK,
+ NAU8540_CLK_SRC_MCLK | fll_param->mclk_src);
+ regmap_update_bits(regmap, NAU8540_REG_FLL1,
+ NAU8540_FLL_RATIO_MASK, fll_param->ratio);
+ /* FLL 16-bit fractional input */
+ regmap_write(regmap, NAU8540_REG_FLL2, fll_param->fll_frac);
+ /* FLL 10-bit integer input */
+ regmap_update_bits(regmap, NAU8540_REG_FLL3,
+ NAU8540_FLL_INTEGER_MASK, fll_param->fll_int);
+ /* FLL pre-scaler */
+ regmap_update_bits(regmap, NAU8540_REG_FLL4,
+ NAU8540_FLL_REF_DIV_MASK,
+ fll_param->clk_ref_div << NAU8540_FLL_REF_DIV_SFT);
+ regmap_update_bits(regmap, NAU8540_REG_FLL5,
+ NAU8540_FLL_CLK_SW_MASK, NAU8540_FLL_CLK_SW_REF);
+ regmap_update_bits(regmap,
+ NAU8540_REG_FLL6, NAU8540_DCO_EN, 0);
+ if (fll_param->fll_frac) {
+ regmap_update_bits(regmap, NAU8540_REG_FLL5,
+ NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
+ NAU8540_FLL_FTR_SW_MASK,
+ NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
+ NAU8540_FLL_FTR_SW_FILTER);
+ regmap_update_bits(regmap, NAU8540_REG_FLL6,
+ NAU8540_SDM_EN, NAU8540_SDM_EN);
+ } else {
+ regmap_update_bits(regmap, NAU8540_REG_FLL5,
+ NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN |
+ NAU8540_FLL_FTR_SW_MASK, NAU8540_FLL_FTR_SW_ACCU);
+ regmap_update_bits(regmap,
+ NAU8540_REG_FLL6, NAU8540_SDM_EN, 0);
+ }
}
/* freq_out must be 256*Fs in order to achieve the best performance */
static int nau8540_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
- unsigned int freq_in, unsigned int freq_out)
+ unsigned int freq_in, unsigned int freq_out)
{
- struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
- struct nau8540_fll fll_param;
- int ret, fs;
-
- switch (pll_id) {
- case NAU8540_CLK_FLL_MCLK:
- regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
- NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_MCLK);
- break;
-
- case NAU8540_CLK_FLL_BLK:
- regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
- NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_BLK);
- break;
-
- case NAU8540_CLK_FLL_FS:
- regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
- NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_FS);
- break;
-
- default:
- dev_err(nau8540->dev, "Invalid clock id (%d)\n", pll_id);
- return -EINVAL;
- }
- dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n",
- freq_out, pll_id);
-
- fs = freq_out / 256;
- ret = nau8540_calc_fll_param(freq_in, fs, &fll_param);
- if (ret < 0) {
- dev_err(nau8540->dev, "Unsupported input clock %d\n", freq_in);
- return ret;
- }
- dev_dbg(nau8540->dev, "mclk_src=%x ratio=%x fll_frac=%x fll_int=%x clk_ref_div=%x\n",
- fll_param.mclk_src, fll_param.ratio, fll_param.fll_frac,
- fll_param.fll_int, fll_param.clk_ref_div);
-
- nau8540_fll_apply(nau8540->regmap, &fll_param);
- mdelay(2);
- regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
- NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO);
-
- return 0;
+ struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+ struct nau8540_fll fll_param;
+ int ret, fs;
+
+ switch (pll_id) {
+ case NAU8540_CLK_FLL_MCLK:
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
+ NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_MCLK);
+ break;
+
+ case NAU8540_CLK_FLL_BLK:
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
+ NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_BLK);
+ break;
+
+ case NAU8540_CLK_FLL_FS:
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3,
+ NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_FS);
+ break;
+
+ default:
+ dev_err(nau8540->dev, "Invalid clock id (%d)\n", pll_id);
+ return -EINVAL;
+ }
+ dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n",
+ freq_out, pll_id);
+
+ fs = freq_out / 256;
+ ret = nau8540_calc_fll_param(freq_in, fs, &fll_param);
+ if (ret < 0) {
+ dev_err(nau8540->dev, "Unsupported input clock %d\n", freq_in);
+ return ret;
+ }
+ dev_dbg(nau8540->dev, "mclk_src=%x ratio=%x fll_frac=%x fll_int=%x clk_ref_div=%x\n",
+ fll_param.mclk_src, fll_param.ratio, fll_param.fll_frac,
+ fll_param.fll_int, fll_param.clk_ref_div);
+
+ nau8540_fll_apply(nau8540->regmap, &fll_param);
+ mdelay(2);
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
+ NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO);
+
+ return 0;
}
static int nau8540_set_sysclk(struct snd_soc_codec *codec,
- int clk_id, int source, unsigned int freq, int dir)
+ int clk_id, int source, unsigned int freq, int dir)
{
- struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
-
- switch (clk_id) {
- case NAU8540_CLK_DIS:
- case NAU8540_CLK_MCLK:
- regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
- NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_MCLK);
- regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6,
- NAU8540_DCO_EN, 0);
- break;
-
- case NAU8540_CLK_INTERNAL:
- regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6,
- NAU8540_DCO_EN, NAU8540_DCO_EN);
- regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
- NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO);
- break;
-
- default:
- dev_err(nau8540->dev, "Invalid clock id (%d)\n", clk_id);
- return -EINVAL;
- }
-
- dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n",
- freq, clk_id);
-
- return 0;
+ struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+
+ switch (clk_id) {
+ case NAU8540_CLK_DIS:
+ case NAU8540_CLK_MCLK:
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
+ NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_MCLK);
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6,
+ NAU8540_DCO_EN, 0);
+ break;
+
+ case NAU8540_CLK_INTERNAL:
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6,
+ NAU8540_DCO_EN, NAU8540_DCO_EN);
+ regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC,
+ NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO);
+ break;
+
+ default:
+ dev_err(nau8540->dev, "Invalid clock id (%d)\n", clk_id);
+ return -EINVAL;
+ }
+
+ dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n",
+ freq, clk_id);
+
+ return 0;
}
static void nau8540_reset_chip(struct regmap *regmap)
{
- regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00);
- regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00);
+ regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00);
+ regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00);
}
static void nau8540_init_regs(struct nau8540 *nau8540)
{
- struct regmap *regmap = nau8540->regmap;
-
- /* Enable Bias/VMID/VMID Tieoff */
- regmap_update_bits(regmap, NAU8540_REG_VMID_CTRL,
- NAU8540_VMID_EN | NAU8540_VMID_SEL_MASK,
- NAU8540_VMID_EN | (0x2 << NAU8540_VMID_SEL_SFT));
- regmap_update_bits(regmap, NAU8540_REG_REFERENCE,
- NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN,
- NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN);
- mdelay(2);
- regmap_update_bits(regmap, NAU8540_REG_MIC_BIAS,
- NAU8540_PU_PRE, NAU8540_PU_PRE);
- regmap_update_bits(regmap, NAU8540_REG_CLOCK_CTRL,
- NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN,
- NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN);
- /* ADC OSR selection, CLK_ADC = Fs * OSR */
- regmap_update_bits(regmap, NAU8540_REG_ADC_SAMPLE_RATE,
- NAU8540_ADC_OSR_MASK, NAU8540_ADC_OSR_64);
+ struct regmap *regmap = nau8540->regmap;
+
+ /* Enable Bias/VMID/VMID Tieoff */
+ regmap_update_bits(regmap, NAU8540_REG_VMID_CTRL,
+ NAU8540_VMID_EN | NAU8540_VMID_SEL_MASK,
+ NAU8540_VMID_EN | (0x2 << NAU8540_VMID_SEL_SFT));
+ regmap_update_bits(regmap, NAU8540_REG_REFERENCE,
+ NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN,
+ NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN);
+ mdelay(2);
+ regmap_update_bits(regmap, NAU8540_REG_MIC_BIAS,
+ NAU8540_PU_PRE, NAU8540_PU_PRE);
+ regmap_update_bits(regmap, NAU8540_REG_CLOCK_CTRL,
+ NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN,
+ NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN);
+ /* ADC OSR selection, CLK_ADC = Fs * OSR */
+ regmap_update_bits(regmap, NAU8540_REG_ADC_SAMPLE_RATE,
+ NAU8540_ADC_OSR_MASK, NAU8540_ADC_OSR_64);
}
static int __maybe_unused nau8540_suspend(struct snd_soc_codec *codec)
{
- struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+ struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
- regcache_cache_only(nau8540->regmap, true);
- regcache_mark_dirty(nau8540->regmap);
+ regcache_cache_only(nau8540->regmap, true);
+ regcache_mark_dirty(nau8540->regmap);
- return 0;
+ return 0;
}
static int __maybe_unused nau8540_resume(struct snd_soc_codec *codec)
{
- struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
+ struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec);
- regcache_cache_only(nau8540->regmap, false);
- regcache_sync(nau8540->regmap);
+ regcache_cache_only(nau8540->regmap, false);
+ regcache_sync(nau8540->regmap);
- return 0;
+ return 0;
}
static struct snd_soc_codec_driver nau8540_codec_driver = {
- .set_sysclk = nau8540_set_sysclk,
- .set_pll = nau8540_set_pll,
- .suspend = nau8540_suspend,
- .resume = nau8540_resume,
- .suspend_bias_off = true,
-
- .component_driver = {
- .controls = nau8540_snd_controls,
- .num_controls = ARRAY_SIZE(nau8540_snd_controls),
- .dapm_widgets = nau8540_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(nau8540_dapm_widgets),
- .dapm_routes = nau8540_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(nau8540_dapm_routes),
- },
+ .set_sysclk = nau8540_set_sysclk,
+ .set_pll = nau8540_set_pll,
+ .suspend = nau8540_suspend,
+ .resume = nau8540_resume,
+ .suspend_bias_off = true,
+
+ .component_driver = {
+ .controls = nau8540_snd_controls,
+ .num_controls = ARRAY_SIZE(nau8540_snd_controls),
+ .dapm_widgets = nau8540_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(nau8540_dapm_widgets),
+ .dapm_routes = nau8540_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(nau8540_dapm_routes),
+ },
};
static const struct regmap_config nau8540_regmap_config = {
- .val_bits = 16,
- .reg_bits = 16,
+ .val_bits = 16,
+ .reg_bits = 16,
- .max_register = NAU8540_REG_MAX,
- .readable_reg = nau8540_readable_reg,
- .writeable_reg = nau8540_writeable_reg,
- .volatile_reg = nau8540_volatile_reg,
+ .max_register = NAU8540_REG_MAX,
+ .readable_reg = nau8540_readable_reg,
+ .writeable_reg = nau8540_writeable_reg,
+ .volatile_reg = nau8540_volatile_reg,
- .cache_type = REGCACHE_RBTREE,
- .reg_defaults = nau8540_reg_defaults,
- .num_reg_defaults = ARRAY_SIZE(nau8540_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = nau8540_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(nau8540_reg_defaults),
};
static int nau8540_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+ const struct i2c_device_id *id)
{
- struct device *dev = &i2c->dev;
- struct nau8540 *nau8540 = dev_get_platdata(dev);
- int ret, value;
-
- if (!nau8540) {
- nau8540 = devm_kzalloc(dev, sizeof(*nau8540), GFP_KERNEL);
- if (!nau8540)
- return -ENOMEM;
- }
- i2c_set_clientdata(i2c, nau8540);
-
- nau8540->regmap = devm_regmap_init_i2c(i2c, &nau8540_regmap_config);
- if (IS_ERR(nau8540->regmap))
- return PTR_ERR(nau8540->regmap);
- ret = regmap_read(nau8540->regmap, NAU8540_REG_I2C_DEVICE_ID, &value);
- if (ret < 0) {
- dev_err(dev, "Failed to read device id from the NAU85L40: %d\n",
- ret);
- return ret;
- }
-
- nau8540->dev = dev;
- nau8540_reset_chip(nau8540->regmap);
- nau8540_init_regs(nau8540);
-
- return snd_soc_register_codec(dev,
- &nau8540_codec_driver, &nau8540_dai, 1);
+ struct device *dev = &i2c->dev;
+ struct nau8540 *nau8540 = dev_get_platdata(dev);
+ int ret, value;
+
+ if (!nau8540) {
+ nau8540 = devm_kzalloc(dev, sizeof(*nau8540), GFP_KERNEL);
+ if (!nau8540)
+ return -ENOMEM;
+ }
+ i2c_set_clientdata(i2c, nau8540);
+
+ nau8540->regmap = devm_regmap_init_i2c(i2c, &nau8540_regmap_config);
+ if (IS_ERR(nau8540->regmap))
+ return PTR_ERR(nau8540->regmap);
+ ret = regmap_read(nau8540->regmap, NAU8540_REG_I2C_DEVICE_ID, &value);
+ if (ret < 0) {
+ dev_err(dev, "Failed to read device id from the NAU85L40: %d\n",
+ ret);
+ return ret;
+ }
+
+ nau8540->dev = dev;
+ nau8540_reset_chip(nau8540->regmap);
+ nau8540_init_regs(nau8540);
+
+ return snd_soc_register_codec(dev,
+ &nau8540_codec_driver, &nau8540_dai, 1);
}
static int nau8540_i2c_remove(struct i2c_client *client)
{
- snd_soc_unregister_codec(&client->dev);
- return 0;
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
}
static const struct i2c_device_id nau8540_i2c_ids[] = {
- { "nau8540", 0 },
- { }
+ { "nau8540", 0 },
+ { }
};
MODULE_DEVICE_TABLE(i2c, nau8540_i2c_ids);
#ifdef CONFIG_OF
static const struct of_device_id nau8540_of_ids[] = {
- { .compatible = "nuvoton,nau8540", },
- {}
+ { .compatible = "nuvoton,nau8540", },
+ {}
};
MODULE_DEVICE_TABLE(of, nau8540_of_ids);
#endif
static struct i2c_driver nau8540_i2c_driver = {
- .driver = {
- .name = "nau8540",
- .of_match_table = of_match_ptr(nau8540_of_ids),
- },
- .probe = nau8540_i2c_probe,
- .remove = nau8540_i2c_remove,
- .id_table = nau8540_i2c_ids,
+ .driver = {
+ .name = "nau8540",
+ .of_match_table = of_match_ptr(nau8540_of_ids),
+ },
+ .probe = nau8540_i2c_probe,
+ .remove = nau8540_i2c_remove,
+ .id_table = nau8540_i2c_ids,
};
module_i2c_driver(nau8540_i2c_driver);
#ifndef __NAU8540_H__
#define __NAU8540_H__
-#define NAU8540_REG_SW_RESET 0x00
-#define NAU8540_REG_POWER_MANAGEMENT 0x01
-#define NAU8540_REG_CLOCK_CTRL 0x02
-#define NAU8540_REG_CLOCK_SRC 0x03
-#define NAU8540_REG_FLL1 0x04
-#define NAU8540_REG_FLL2 0x05
-#define NAU8540_REG_FLL3 0x06
-#define NAU8540_REG_FLL4 0x07
-#define NAU8540_REG_FLL5 0x08
-#define NAU8540_REG_FLL6 0x09
-#define NAU8540_REG_FLL_VCO_RSV 0x0A
-#define NAU8540_REG_PCM_CTRL0 0x10
-#define NAU8540_REG_PCM_CTRL1 0x11
-#define NAU8540_REG_PCM_CTRL2 0x12
-#define NAU8540_REG_PCM_CTRL3 0x13
-#define NAU8540_REG_PCM_CTRL4 0x14
-#define NAU8540_REG_ALC_CONTROL_1 0x20
-#define NAU8540_REG_ALC_CONTROL_2 0x21
-#define NAU8540_REG_ALC_CONTROL_3 0x22
-#define NAU8540_REG_ALC_CONTROL_4 0x23
-#define NAU8540_REG_ALC_CONTROL_5 0x24
-#define NAU8540_REG_ALC_GAIN_CH12 0x2D
-#define NAU8540_REG_ALC_GAIN_CH34 0x2E
-#define NAU8540_REG_ALC_STATUS 0x2F
-#define NAU8540_REG_NOTCH_FIL1_CH1 0x30
-#define NAU8540_REG_NOTCH_FIL2_CH1 0x31
-#define NAU8540_REG_NOTCH_FIL1_CH2 0x32
-#define NAU8540_REG_NOTCH_FIL2_CH2 0x33
-#define NAU8540_REG_NOTCH_FIL1_CH3 0x34
-#define NAU8540_REG_NOTCH_FIL2_CH3 0x35
-#define NAU8540_REG_NOTCH_FIL1_CH4 0x36
-#define NAU8540_REG_NOTCH_FIL2_CH4 0x37
-#define NAU8540_REG_HPF_FILTER_CH12 0x38
-#define NAU8540_REG_HPF_FILTER_CH34 0x39
-#define NAU8540_REG_ADC_SAMPLE_RATE 0x3A
-#define NAU8540_REG_DIGITAL_GAIN_CH1 0x40
-#define NAU8540_REG_DIGITAL_GAIN_CH2 0x41
-#define NAU8540_REG_DIGITAL_GAIN_CH3 0x42
-#define NAU8540_REG_DIGITAL_GAIN_CH4 0x43
-#define NAU8540_REG_DIGITAL_MUX 0x44
-#define NAU8540_REG_P2P_CH1 0x48
-#define NAU8540_REG_P2P_CH2 0x49
-#define NAU8540_REG_P2P_CH3 0x4A
-#define NAU8540_REG_P2P_CH4 0x4B
-#define NAU8540_REG_PEAK_CH1 0x4C
-#define NAU8540_REG_PEAK_CH2 0x4D
-#define NAU8540_REG_PEAK_CH3 0x4E
-#define NAU8540_REG_PEAK_CH4 0x4F
-#define NAU8540_REG_GPIO_CTRL 0x50
-#define NAU8540_REG_MISC_CTRL 0x51
-#define NAU8540_REG_I2C_CTRL 0x52
-#define NAU8540_REG_I2C_DEVICE_ID 0x58
-#define NAU8540_REG_RST 0x5A
-#define NAU8540_REG_VMID_CTRL 0x60
-#define NAU8540_REG_MUTE 0x61
-#define NAU8540_REG_ANALOG_ADC1 0x64
-#define NAU8540_REG_ANALOG_ADC2 0x65
-#define NAU8540_REG_ANALOG_PWR 0x66
-#define NAU8540_REG_MIC_BIAS 0x67
-#define NAU8540_REG_REFERENCE 0x68
-#define NAU8540_REG_FEPGA1 0x69
-#define NAU8540_REG_FEPGA2 0x6A
-#define NAU8540_REG_FEPGA3 0x6B
-#define NAU8540_REG_FEPGA4 0x6C
-#define NAU8540_REG_PWR 0x6D
-#define NAU8540_REG_MAX NAU8540_REG_PWR
+#define NAU8540_REG_SW_RESET 0x00
+#define NAU8540_REG_POWER_MANAGEMENT 0x01
+#define NAU8540_REG_CLOCK_CTRL 0x02
+#define NAU8540_REG_CLOCK_SRC 0x03
+#define NAU8540_REG_FLL1 0x04
+#define NAU8540_REG_FLL2 0x05
+#define NAU8540_REG_FLL3 0x06
+#define NAU8540_REG_FLL4 0x07
+#define NAU8540_REG_FLL5 0x08
+#define NAU8540_REG_FLL6 0x09
+#define NAU8540_REG_FLL_VCO_RSV 0x0A
+#define NAU8540_REG_PCM_CTRL0 0x10
+#define NAU8540_REG_PCM_CTRL1 0x11
+#define NAU8540_REG_PCM_CTRL2 0x12
+#define NAU8540_REG_PCM_CTRL3 0x13
+#define NAU8540_REG_PCM_CTRL4 0x14
+#define NAU8540_REG_ALC_CONTROL_1 0x20
+#define NAU8540_REG_ALC_CONTROL_2 0x21
+#define NAU8540_REG_ALC_CONTROL_3 0x22
+#define NAU8540_REG_ALC_CONTROL_4 0x23
+#define NAU8540_REG_ALC_CONTROL_5 0x24
+#define NAU8540_REG_ALC_GAIN_CH12 0x2D
+#define NAU8540_REG_ALC_GAIN_CH34 0x2E
+#define NAU8540_REG_ALC_STATUS 0x2F
+#define NAU8540_REG_NOTCH_FIL1_CH1 0x30
+#define NAU8540_REG_NOTCH_FIL2_CH1 0x31
+#define NAU8540_REG_NOTCH_FIL1_CH2 0x32
+#define NAU8540_REG_NOTCH_FIL2_CH2 0x33
+#define NAU8540_REG_NOTCH_FIL1_CH3 0x34
+#define NAU8540_REG_NOTCH_FIL2_CH3 0x35
+#define NAU8540_REG_NOTCH_FIL1_CH4 0x36
+#define NAU8540_REG_NOTCH_FIL2_CH4 0x37
+#define NAU8540_REG_HPF_FILTER_CH12 0x38
+#define NAU8540_REG_HPF_FILTER_CH34 0x39
+#define NAU8540_REG_ADC_SAMPLE_RATE 0x3A
+#define NAU8540_REG_DIGITAL_GAIN_CH1 0x40
+#define NAU8540_REG_DIGITAL_GAIN_CH2 0x41
+#define NAU8540_REG_DIGITAL_GAIN_CH3 0x42
+#define NAU8540_REG_DIGITAL_GAIN_CH4 0x43
+#define NAU8540_REG_DIGITAL_MUX 0x44
+#define NAU8540_REG_P2P_CH1 0x48
+#define NAU8540_REG_P2P_CH2 0x49
+#define NAU8540_REG_P2P_CH3 0x4A
+#define NAU8540_REG_P2P_CH4 0x4B
+#define NAU8540_REG_PEAK_CH1 0x4C
+#define NAU8540_REG_PEAK_CH2 0x4D
+#define NAU8540_REG_PEAK_CH3 0x4E
+#define NAU8540_REG_PEAK_CH4 0x4F
+#define NAU8540_REG_GPIO_CTRL 0x50
+#define NAU8540_REG_MISC_CTRL 0x51
+#define NAU8540_REG_I2C_CTRL 0x52
+#define NAU8540_REG_I2C_DEVICE_ID 0x58
+#define NAU8540_REG_RST 0x5A
+#define NAU8540_REG_VMID_CTRL 0x60
+#define NAU8540_REG_MUTE 0x61
+#define NAU8540_REG_ANALOG_ADC1 0x64
+#define NAU8540_REG_ANALOG_ADC2 0x65
+#define NAU8540_REG_ANALOG_PWR 0x66
+#define NAU8540_REG_MIC_BIAS 0x67
+#define NAU8540_REG_REFERENCE 0x68
+#define NAU8540_REG_FEPGA1 0x69
+#define NAU8540_REG_FEPGA2 0x6A
+#define NAU8540_REG_FEPGA3 0x6B
+#define NAU8540_REG_FEPGA4 0x6C
+#define NAU8540_REG_PWR 0x6D
+#define NAU8540_REG_MAX NAU8540_REG_PWR
/* POWER_MANAGEMENT (0x01) */
-#define NAU8540_ADC4_EN (0x1 << 3)
-#define NAU8540_ADC3_EN (0x1 << 2)
-#define NAU8540_ADC2_EN (0x1 << 1)
-#define NAU8540_ADC1_EN 0x1
+#define NAU8540_ADC4_EN (0x1 << 3)
+#define NAU8540_ADC3_EN (0x1 << 2)
+#define NAU8540_ADC2_EN (0x1 << 1)
+#define NAU8540_ADC1_EN 0x1
/* CLOCK_CTRL (0x02) */
-#define NAU8540_CLK_ADC_EN (0x1 << 15)
-#define NAU8540_CLK_I2S_EN (0x1 << 1)
+#define NAU8540_CLK_ADC_EN (0x1 << 15)
+#define NAU8540_CLK_I2S_EN (0x1 << 1)
/* CLOCK_SRC (0x03) */
-#define NAU8540_CLK_SRC_SFT 15
-#define NAU8540_CLK_SRC_MASK (1 << NAU8540_CLK_SRC_SFT)
-#define NAU8540_CLK_SRC_VCO (1 << NAU8540_CLK_SRC_SFT)
-#define NAU8540_CLK_SRC_MCLK (0 << NAU8540_CLK_SRC_SFT)
-#define NAU8540_CLK_ADC_SRC_SFT 6
-#define NAU8540_CLK_ADC_SRC_MASK (0x3 << NAU8540_CLK_ADC_SRC_SFT)
-#define NAU8540_CLK_MCLK_SRC_MASK 0xf
+#define NAU8540_CLK_SRC_SFT 15
+#define NAU8540_CLK_SRC_MASK (1 << NAU8540_CLK_SRC_SFT)
+#define NAU8540_CLK_SRC_VCO (1 << NAU8540_CLK_SRC_SFT)
+#define NAU8540_CLK_SRC_MCLK (0 << NAU8540_CLK_SRC_SFT)
+#define NAU8540_CLK_ADC_SRC_SFT 6
+#define NAU8540_CLK_ADC_SRC_MASK (0x3 << NAU8540_CLK_ADC_SRC_SFT)
+#define NAU8540_CLK_MCLK_SRC_MASK 0xf
/* FLL1 (0x04) */
-#define NAU8540_FLL_RATIO_MASK 0x7f
+#define NAU8540_FLL_RATIO_MASK 0x7f
/* FLL3 (0x06) */
-#define NAU8540_FLL_CLK_SRC_SFT 10
-#define NAU8540_FLL_CLK_SRC_MASK (0x3 << NAU8540_FLL_CLK_SRC_SFT)
-#define NAU8540_FLL_CLK_SRC_MCLK (0 << NAU8540_FLL_CLK_SRC_SFT)
-#define NAU8540_FLL_CLK_SRC_BLK (0x2 << NAU8540_FLL_CLK_SRC_SFT)
-#define NAU8540_FLL_CLK_SRC_FS (0x3 << NAU8540_FLL_CLK_SRC_SFT)
-#define NAU8540_FLL_INTEGER_MASK 0x3ff
+#define NAU8540_FLL_CLK_SRC_SFT 10
+#define NAU8540_FLL_CLK_SRC_MASK (0x3 << NAU8540_FLL_CLK_SRC_SFT)
+#define NAU8540_FLL_CLK_SRC_MCLK (0 << NAU8540_FLL_CLK_SRC_SFT)
+#define NAU8540_FLL_CLK_SRC_BLK (0x2 << NAU8540_FLL_CLK_SRC_SFT)
+#define NAU8540_FLL_CLK_SRC_FS (0x3 << NAU8540_FLL_CLK_SRC_SFT)
+#define NAU8540_FLL_INTEGER_MASK 0x3ff
/* FLL4 (0x07) */
-#define NAU8540_FLL_REF_DIV_SFT 10
-#define NAU8540_FLL_REF_DIV_MASK (0x3 << NAU8540_FLL_REF_DIV_SFT)
+#define NAU8540_FLL_REF_DIV_SFT 10
+#define NAU8540_FLL_REF_DIV_MASK (0x3 << NAU8540_FLL_REF_DIV_SFT)
/* FLL5 (0x08) */
-#define NAU8540_FLL_PDB_DAC_EN (0x1 << 15)
-#define NAU8540_FLL_LOOP_FTR_EN (0x1 << 14)
-#define NAU8540_FLL_CLK_SW_MASK (0x1 << 13)
-#define NAU8540_FLL_CLK_SW_N2 (0x1 << 13)
-#define NAU8540_FLL_CLK_SW_REF (0x0 << 13)
-#define NAU8540_FLL_FTR_SW_MASK (0x1 << 12)
-#define NAU8540_FLL_FTR_SW_ACCU (0x1 << 12)
-#define NAU8540_FLL_FTR_SW_FILTER (0x0 << 12)
+#define NAU8540_FLL_PDB_DAC_EN (0x1 << 15)
+#define NAU8540_FLL_LOOP_FTR_EN (0x1 << 14)
+#define NAU8540_FLL_CLK_SW_MASK (0x1 << 13)
+#define NAU8540_FLL_CLK_SW_N2 (0x1 << 13)
+#define NAU8540_FLL_CLK_SW_REF (0x0 << 13)
+#define NAU8540_FLL_FTR_SW_MASK (0x1 << 12)
+#define NAU8540_FLL_FTR_SW_ACCU (0x1 << 12)
+#define NAU8540_FLL_FTR_SW_FILTER (0x0 << 12)
/* FLL6 (0x9) */
-#define NAU8540_DCO_EN (0x1 << 15)
-#define NAU8540_SDM_EN (0x1 << 14)
+#define NAU8540_DCO_EN (0x1 << 15)
+#define NAU8540_SDM_EN (0x1 << 14)
/* PCM_CTRL0 (0x10) */
-#define NAU8540_I2S_BP_SFT 7
-#define NAU8540_I2S_BP_INV (0x1 << NAU8540_I2S_BP_SFT)
-#define NAU8540_I2S_PCMB_SFT 6
-#define NAU8540_I2S_PCMB_EN (0x1 << NAU8540_I2S_PCMB_SFT)
-#define NAU8540_I2S_DL_SFT 2
-#define NAU8540_I2S_DL_MASK (0x3 << NAU8540_I2S_DL_SFT)
-#define NAU8540_I2S_DL_16 (0 << NAU8540_I2S_DL_SFT)
-#define NAU8540_I2S_DL_20 (0x1 << NAU8540_I2S_DL_SFT)
-#define NAU8540_I2S_DL_24 (0x2 << NAU8540_I2S_DL_SFT)
-#define NAU8540_I2S_DL_32 (0x3 << NAU8540_I2S_DL_SFT)
-#define NAU8540_I2S_DF_MASK 0x3
-#define NAU8540_I2S_DF_RIGTH 0
-#define NAU8540_I2S_DF_LEFT 0x1
-#define NAU8540_I2S_DF_I2S 0x2
-#define NAU8540_I2S_DF_PCM_AB 0x3
+#define NAU8540_I2S_BP_SFT 7
+#define NAU8540_I2S_BP_INV (0x1 << NAU8540_I2S_BP_SFT)
+#define NAU8540_I2S_PCMB_SFT 6
+#define NAU8540_I2S_PCMB_EN (0x1 << NAU8540_I2S_PCMB_SFT)
+#define NAU8540_I2S_DL_SFT 2
+#define NAU8540_I2S_DL_MASK (0x3 << NAU8540_I2S_DL_SFT)
+#define NAU8540_I2S_DL_16 (0 << NAU8540_I2S_DL_SFT)
+#define NAU8540_I2S_DL_20 (0x1 << NAU8540_I2S_DL_SFT)
+#define NAU8540_I2S_DL_24 (0x2 << NAU8540_I2S_DL_SFT)
+#define NAU8540_I2S_DL_32 (0x3 << NAU8540_I2S_DL_SFT)
+#define NAU8540_I2S_DF_MASK 0x3
+#define NAU8540_I2S_DF_RIGTH 0
+#define NAU8540_I2S_DF_LEFT 0x1
+#define NAU8540_I2S_DF_I2S 0x2
+#define NAU8540_I2S_DF_PCM_AB 0x3
/* PCM_CTRL1 (0x11) */
-#define NAU8540_I2S_LRC_DIV_SFT 12
-#define NAU8540_I2S_LRC_DIV_MASK (0x3 << NAU8540_I2S_LRC_DIV_SFT)
-#define NAU8540_I2S_DO12_OE (0x1 << 4)
-#define NAU8540_I2S_MS_SFT 3
-#define NAU8540_I2S_MS_MASK (0x1 << NAU8540_I2S_MS_SFT)
-#define NAU8540_I2S_MS_MASTER (0x1 << NAU8540_I2S_MS_SFT)
-#define NAU8540_I2S_MS_SLAVE (0x0 << NAU8540_I2S_MS_SFT)
-#define NAU8540_I2S_BLK_DIV_MASK 0x7
+#define NAU8540_I2S_LRC_DIV_SFT 12
+#define NAU8540_I2S_LRC_DIV_MASK (0x3 << NAU8540_I2S_LRC_DIV_SFT)
+#define NAU8540_I2S_DO12_OE (0x1 << 4)
+#define NAU8540_I2S_MS_SFT 3
+#define NAU8540_I2S_MS_MASK (0x1 << NAU8540_I2S_MS_SFT)
+#define NAU8540_I2S_MS_MASTER (0x1 << NAU8540_I2S_MS_SFT)
+#define NAU8540_I2S_MS_SLAVE (0x0 << NAU8540_I2S_MS_SFT)
+#define NAU8540_I2S_BLK_DIV_MASK 0x7
/* PCM_CTRL1 (0x12) */
-#define NAU8540_I2S_DO34_OE (0x1 << 11)
-#define NAU8540_I2S_TSLOT_L_MASK 0x3ff
+#define NAU8540_I2S_DO34_OE (0x1 << 11)
+#define NAU8540_I2S_TSLOT_L_MASK 0x3ff
/* PCM_CTRL4 (0x14) */
-#define NAU8540_TDM_MODE (0x1 << 15)
-#define NAU8540_TDM_OFFSET_EN (0x1 << 14)
-#define NAU8540_TDM_TX_MASK 0xf
+#define NAU8540_TDM_MODE (0x1 << 15)
+#define NAU8540_TDM_OFFSET_EN (0x1 << 14)
+#define NAU8540_TDM_TX_MASK 0xf
/* ADC_SAMPLE_RATE (0x3A) */
-#define NAU8540_ADC_OSR_MASK 0x3
-#define NAU8540_ADC_OSR_256 0x3
-#define NAU8540_ADC_OSR_128 0x2
-#define NAU8540_ADC_OSR_64 0x1
-#define NAU8540_ADC_OSR_32 0x0
+#define NAU8540_ADC_OSR_MASK 0x3
+#define NAU8540_ADC_OSR_256 0x3
+#define NAU8540_ADC_OSR_128 0x2
+#define NAU8540_ADC_OSR_64 0x1
+#define NAU8540_ADC_OSR_32 0x0
/* VMID_CTRL (0x60) */
-#define NAU8540_VMID_EN (1 << 6)
-#define NAU8540_VMID_SEL_SFT 4
-#define NAU8540_VMID_SEL_MASK (0x3 << NAU8540_VMID_SEL_SFT)
+#define NAU8540_VMID_EN (1 << 6)
+#define NAU8540_VMID_SEL_SFT 4
+#define NAU8540_VMID_SEL_MASK (0x3 << NAU8540_VMID_SEL_SFT)
/* MIC_BIAS (0x67) */
-#define NAU8540_PU_PRE (0x1 << 8)
+#define NAU8540_PU_PRE (0x1 << 8)
/* REFERENCE (0x68) */
-#define NAU8540_PRECHARGE_DIS (0x1 << 13)
-#define NAU8540_GLOBAL_BIAS_EN (0x1 << 12)
+#define NAU8540_PRECHARGE_DIS (0x1 << 13)
+#define NAU8540_GLOBAL_BIAS_EN (0x1 << 12)
/* System Clock Source */
enum {
- NAU8540_CLK_DIS,
- NAU8540_CLK_MCLK,
- NAU8540_CLK_INTERNAL,
- NAU8540_CLK_FLL_MCLK,
- NAU8540_CLK_FLL_BLK,
- NAU8540_CLK_FLL_FS,
+ NAU8540_CLK_DIS,
+ NAU8540_CLK_MCLK,
+ NAU8540_CLK_INTERNAL,
+ NAU8540_CLK_FLL_MCLK,
+ NAU8540_CLK_FLL_BLK,
+ NAU8540_CLK_FLL_FS,
};
struct nau8540 {
- struct device *dev;
- struct regmap *regmap;
+ struct device *dev;
+ struct regmap *regmap;
};
struct nau8540_fll {
- int mclk_src;
- int ratio;
- int fll_frac;
- int fll_int;
- int clk_ref_div;
+ int mclk_src;
+ int ratio;
+ int fll_frac;
+ int fll_int;
+ int clk_ref_div;
};
struct nau8540_fll_attr {
- unsigned int param;
- unsigned int val;
+ unsigned int param;
+ unsigned int val;
};
/* over sampling rate */
struct nau8540_osr_attr {
- unsigned int osr;
- unsigned int clk_src;
+ unsigned int osr;
+ unsigned int clk_src;
};
-#endif /* __NAU8540_H__ */
+#endif /* __NAU8540_H__ */
Select Y if you have such device.
If unsure select "N".
+config SND_SOC_MT2701_WM8960
+ tristate "ASoc Audio driver for MT2701 with WM8960 codec"
+ depends on SND_SOC_MT2701 && I2C
+ select SND_SOC_WM8960
+ help
+ This adds ASoC driver for Mediatek MT2701 boards
+ with the WM8960 codecs.
+ Select Y if you have such device.
+ If unsure select "N".
+
config SND_SOC_MT8173
tristate "ASoC support for Mediatek MT8173 chip"
depends on ARCH_MEDIATEK
# machine driver
obj-$(CONFIG_SND_SOC_MT2701_CS42448) += mt2701-cs42448.o
+obj-$(CONFIG_SND_SOC_MT2701_WM8960) += mt2701-wm8960.o
static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = {
/* FE DAIs: memory intefaces to CPU */
+ {
+ .name = "PCMO0",
+ .id = MT2701_MEMIF_DL1,
+ .suspend = mtk_afe_dai_suspend,
+ .resume = mtk_afe_dai_resume,
+ .playback = {
+ .stream_name = "DL1",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .formats = (SNDRV_PCM_FMTBIT_S16_LE
+ | SNDRV_PCM_FMTBIT_S24_LE
+ | SNDRV_PCM_FMTBIT_S32_LE)
+ },
+ .ops = &mt2701_single_memif_dai_ops,
+ },
{
.name = "PCM_multi",
.id = MT2701_MEMIF_DLM,
return 0;
}
-static struct snd_soc_ops mt2701_cs42448_48k_fe_ops = {
+static const struct snd_soc_ops mt2701_cs42448_48k_fe_ops = {
.startup = mt2701_cs42448_fe_ops_startup,
};
--- /dev/null
+/*
+ * mt2701-wm8960.c -- MT2701 WM8960 ALSA SoC machine driver
+ *
+ * Copyright (c) 2017 MediaTek Inc.
+ * Author: Ryder Lee <ryder.lee@mediatek.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 and
+ * only 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.
+ */
+
+#include <linux/module.h>
+#include <sound/soc.h>
+
+#include "mt2701-afe-common.h"
+
+static const struct snd_soc_dapm_widget mt2701_wm8960_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("AMIC", NULL),
+};
+
+static const struct snd_kcontrol_new mt2701_wm8960_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("AMIC"),
+};
+
+static int mt2701_wm8960_be_ops_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ unsigned int mclk_rate;
+ unsigned int rate = params_rate(params);
+ unsigned int div_mclk_over_bck = rate > 192000 ? 2 : 4;
+ unsigned int div_bck_over_lrck = 64;
+
+ mclk_rate = rate * div_bck_over_lrck * div_mclk_over_bck;
+
+ snd_soc_dai_set_sysclk(cpu_dai, 0, mclk_rate, SND_SOC_CLOCK_OUT);
+ snd_soc_dai_set_sysclk(codec_dai, 0, mclk_rate, SND_SOC_CLOCK_IN);
+
+ return 0;
+}
+
+static struct snd_soc_ops mt2701_wm8960_be_ops = {
+ .hw_params = mt2701_wm8960_be_ops_hw_params
+};
+
+static struct snd_soc_dai_link mt2701_wm8960_dai_links[] = {
+ /* FE */
+ {
+ .name = "wm8960-playback",
+ .stream_name = "wm8960-playback",
+ .cpu_dai_name = "PCMO0",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_playback = 1,
+ },
+ {
+ .name = "wm8960-capture",
+ .stream_name = "wm8960-capture",
+ .cpu_dai_name = "PCM0",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST,
+ SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_capture = 1,
+ },
+ /* BE */
+ {
+ .name = "wm8960-codec",
+ .cpu_dai_name = "I2S0",
+ .no_pcm = 1,
+ .codec_dai_name = "wm8960-hifi",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS
+ | SND_SOC_DAIFMT_GATED,
+ .ops = &mt2701_wm8960_be_ops,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ },
+};
+
+static struct snd_soc_card mt2701_wm8960_card = {
+ .name = "mt2701-wm8960",
+ .owner = THIS_MODULE,
+ .dai_link = mt2701_wm8960_dai_links,
+ .num_links = ARRAY_SIZE(mt2701_wm8960_dai_links),
+ .controls = mt2701_wm8960_controls,
+ .num_controls = ARRAY_SIZE(mt2701_wm8960_controls),
+ .dapm_widgets = mt2701_wm8960_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(mt2701_wm8960_widgets),
+};
+
+static int mt2701_wm8960_machine_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &mt2701_wm8960_card;
+ struct device_node *platform_node, *codec_node;
+ int ret, i;
+
+ platform_node = of_parse_phandle(pdev->dev.of_node,
+ "mediatek,platform", 0);
+ if (!platform_node) {
+ dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
+ return -EINVAL;
+ }
+ for (i = 0; i < card->num_links; i++) {
+ if (mt2701_wm8960_dai_links[i].platform_name)
+ continue;
+ mt2701_wm8960_dai_links[i].platform_of_node = platform_node;
+ }
+
+ card->dev = &pdev->dev;
+
+ codec_node = of_parse_phandle(pdev->dev.of_node,
+ "mediatek,audio-codec", 0);
+ if (!codec_node) {
+ dev_err(&pdev->dev,
+ "Property 'audio-codec' missing or invalid\n");
+ return -EINVAL;
+ }
+ for (i = 0; i < card->num_links; i++) {
+ if (mt2701_wm8960_dai_links[i].codec_name)
+ continue;
+ mt2701_wm8960_dai_links[i].codec_of_node = codec_node;
+ }
+
+ ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
+ if (ret) {
+ dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
+ return ret;
+ }
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret)
+ dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
+ __func__, ret);
+
+ return ret;
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id mt2701_wm8960_machine_dt_match[] = {
+ {.compatible = "mediatek,mt2701-wm8960-machine",},
+ {}
+};
+#endif
+
+static struct platform_driver mt2701_wm8960_machine = {
+ .driver = {
+ .name = "mt2701-wm8960",
+ .owner = THIS_MODULE,
+#ifdef CONFIG_OF
+ .of_match_table = mt2701_wm8960_machine_dt_match,
+#endif
+ },
+ .probe = mt2701_wm8960_machine_probe,
+};
+
+module_platform_driver(mt2701_wm8960_machine);
+
+/* Module information */
+MODULE_DESCRIPTION("MT2701 WM8960 ALSA SoC machine driver");
+MODULE_AUTHOR("Ryder Lee <ryder.lee@mediatek.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("mt2701 wm8960 soc card");
+
SND_SOC_CLOCK_IN);
}
-static struct snd_soc_ops mt8173_max98090_ops = {
+static const struct snd_soc_ops mt8173_max98090_ops = {
.hw_params = mt8173_max98090_hw_params,
};
return 0;
}
-static struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
+static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
.hw_params = mt8173_rt5650_rt5514_hw_params,
};
return 0;
}
-static struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
+static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
.hw_params = mt8173_rt5650_rt5676_hw_params,
};
return 0;
}
-static struct snd_soc_ops mt8173_rt5650_ops = {
+static const struct snd_soc_ops mt8173_rt5650_ops = {
.hw_params = mt8173_rt5650_hw_params,
};
projects / karo-tx-linux.git / commitdiff