--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * max98090.c -- MAX98090 ALSA SoC Audio driver
+ *
+ * Copyright 2011 Maxim Integrated Products
+ */
+
+#include <common.h>
+#include <audio_codec.h>
+#include <div64.h>
+#include <dm.h>
+#include <i2c.h>
+#include <i2s.h>
+#include <sound.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/power.h>
+#include "maxim_codec.h"
+#include "max98090.h"
+
+/*
+ * Sets hw params for max98090
+ *
+ * @priv: max98090 information pointer
+ * @rate: Sampling rate
+ * @bits_per_sample: Bits per sample
+ *
+ * @return -EIO for error, 0 for success.
+ */
+int max98090_hw_params(struct maxim_priv *priv, unsigned int rate,
+ unsigned int bits_per_sample)
+{
+ int error;
+ unsigned char value;
+
+ switch (bits_per_sample) {
+ case 16:
+ maxim_i2c_read(priv, M98090_REG_INTERFACE_FORMAT, &value);
+ error = maxim_bic_or(priv, M98090_REG_INTERFACE_FORMAT,
+ M98090_WS_MASK, 0);
+ maxim_i2c_read(priv, M98090_REG_INTERFACE_FORMAT, &value);
+ break;
+ default:
+ debug("%s: Illegal bits per sample %d.\n",
+ __func__, bits_per_sample);
+ return -1;
+ }
+
+ /* Update filter mode */
+ if (rate < 240000)
+ error |= maxim_bic_or(priv, M98090_REG_FILTER_CONFIG,
+ M98090_MODE_MASK, 0);
+ else
+ error |= maxim_bic_or(priv, M98090_REG_FILTER_CONFIG,
+ M98090_MODE_MASK, M98090_MODE_MASK);
+
+ /* Update sample rate mode */
+ if (rate < 50000)
+ error |= maxim_bic_or(priv, M98090_REG_FILTER_CONFIG,
+ M98090_DHF_MASK, 0);
+ else
+ error |= maxim_bic_or(priv, M98090_REG_FILTER_CONFIG,
+ M98090_DHF_MASK, M98090_DHF_MASK);
+
+ if (error < 0) {
+ debug("%s: Error setting hardware params.\n", __func__);
+ return -EIO;
+ }
+ priv->rate = rate;
+
+ return 0;
+}
+
+/*
+ * Configures Audio interface system clock for the given frequency
+ *
+ * @priv: max98090 information
+ * @freq: Sampling frequency in Hz
+ *
+ * @return -EIO for error, 0 for success.
+ */
+int max98090_set_sysclk(struct maxim_priv *priv, unsigned int freq)
+{
+ int error = 0;
+
+ /* Requested clock frequency is already setup */
+ if (freq == priv->sysclk)
+ return 0;
+
+ /* Setup clocks for slave mode, and using the PLL
+ * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
+ * 0x02 (when master clk is 20MHz to 40MHz)..
+ * 0x03 (when master clk is 40MHz to 60MHz)..
+ */
+ if (freq >= 10000000 && freq < 20000000) {
+ error = maxim_i2c_write(priv, M98090_REG_SYSTEM_CLOCK,
+ M98090_PSCLK_DIV1);
+ } else if (freq >= 20000000 && freq < 40000000) {
+ error = maxim_i2c_write(priv, M98090_REG_SYSTEM_CLOCK,
+ M98090_PSCLK_DIV2);
+ } else if (freq >= 40000000 && freq < 60000000) {
+ error = maxim_i2c_write(priv, M98090_REG_SYSTEM_CLOCK,
+ M98090_PSCLK_DIV4);
+ } else {
+ debug("%s: Invalid master clock frequency\n", __func__);
+ return -1;
+ }
+
+ debug("%s: Clock at %uHz\n", __func__, freq);
+
+ if (error < 0)
+ return -1;
+
+ priv->sysclk = freq;
+
+ return 0;
+}
+
+/*
+ * Sets Max98090 I2S format
+ *
+ * @priv: max98090 information
+ * @fmt: i2S format - supports a subset of the options defined in i2s.h.
+ *
+ * @return -EIO for error, 0 for success.
+ */
+int max98090_set_fmt(struct maxim_priv *priv, int fmt)
+{
+ u8 regval = 0;
+ int error = 0;
+
+ if (fmt == priv->fmt)
+ return 0;
+
+ priv->fmt = fmt;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ /* Set to slave mode PLL - MAS mode off */
+ error |= maxim_i2c_write(priv, M98090_REG_CLOCK_RATIO_NI_MSB,
+ 0x00);
+ error |= maxim_i2c_write(priv, M98090_REG_CLOCK_RATIO_NI_LSB,
+ 0x00);
+ error |= maxim_bic_or(priv, M98090_REG_CLOCK_MODE,
+ M98090_USE_M1_MASK, 0);
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ /* Set to master mode */
+ debug("Master mode not supported\n");
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ case SND_SOC_DAIFMT_CBM_CFS:
+ default:
+ debug("%s: Clock mode unsupported\n", __func__);
+ return -EINVAL;
+ }
+
+ error |= maxim_i2c_write(priv, M98090_REG_MASTER_MODE, regval);
+
+ regval = 0;
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ regval |= M98090_DLY_MASK;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ regval |= M98090_RJ_MASK;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ /* Not supported mode */
+ default:
+ debug("%s: Unrecognized format.\n", __func__);
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ regval |= M98090_WCI_MASK;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ regval |= M98090_BCI_MASK;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ regval |= M98090_BCI_MASK | M98090_WCI_MASK;
+ break;
+ default:
+ debug("%s: Unrecognized inversion settings.\n", __func__);
+ return -EINVAL;
+ }
+
+ error |= maxim_i2c_write(priv, M98090_REG_INTERFACE_FORMAT, regval);
+
+ if (error < 0) {
+ debug("%s: Error setting i2s format.\n", __func__);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/*
+ * resets the audio codec
+ *
+ * @priv: max98090 information
+ * @return -EIO for error, 0 for success.
+ */
+static int max98090_reset(struct maxim_priv *priv)
+{
+ int ret;
+
+ /*
+ * Gracefully reset the DSP core and the codec hardware in a proper
+ * sequence.
+ */
+ ret = maxim_i2c_write(priv, M98090_REG_SOFTWARE_RESET,
+ M98090_SWRESET_MASK);
+ if (ret != 0) {
+ debug("%s: Failed to reset DSP: %d\n", __func__, ret);
+ return ret;
+ }
+ mdelay(20);
+
+ return 0;
+}
+
+/*
+ * Initialise max98090 codec device
+ *
+ * @priv: max98090 information
+ *
+ * @return -EIO for error, 0 for success.
+ */
+int max98090_device_init(struct maxim_priv *priv)
+{
+ unsigned char id;
+ int error = 0;
+
+ /* Enable codec clock */
+ set_xclkout();
+
+ /* reset the codec, the DSP core, and disable all interrupts */
+ error = max98090_reset(priv);
+ if (error != 0) {
+ debug("Reset\n");
+ return error;
+ }
+
+ /* initialize private data */
+ priv->sysclk = -1U;
+ priv->rate = -1U;
+ priv->fmt = -1U;
+
+ error = maxim_i2c_read(priv, M98090_REG_REVISION_ID, &id);
+ if (error < 0) {
+ debug("%s: Failure reading hardware revision: %d\n",
+ __func__, id);
+ return -EIO;
+ }
+ debug("%s: Hardware revision: %d\n", __func__, id);
+
+ return 0;
+}
+
+static int max98090_setup_interface(struct maxim_priv *priv)
+{
+ unsigned char id;
+ int error;
+
+ /* Reading interrupt status to clear them */
+ error = maxim_i2c_read(priv, M98090_REG_DEVICE_STATUS, &id);
+
+ error |= maxim_i2c_write(priv, M98090_REG_DAC_CONTROL,
+ M98090_DACHP_MASK);
+ error |= maxim_i2c_write(priv, M98090_REG_BIAS_CONTROL,
+ M98090_VCM_MODE_MASK);
+
+ error |= maxim_i2c_write(priv, M98090_REG_LEFT_SPK_MIXER, 0x1);
+ error |= maxim_i2c_write(priv, M98090_REG_RIGHT_SPK_MIXER, 0x2);
+
+ error |= maxim_i2c_write(priv, M98090_REG_LEFT_SPK_VOLUME, 0x25);
+ error |= maxim_i2c_write(priv, M98090_REG_RIGHT_SPK_VOLUME, 0x25);
+
+ error |= maxim_i2c_write(priv, M98090_REG_CLOCK_RATIO_NI_MSB, 0x0);
+ error |= maxim_i2c_write(priv, M98090_REG_CLOCK_RATIO_NI_LSB, 0x0);
+ error |= maxim_i2c_write(priv, M98090_REG_MASTER_MODE, 0x0);
+ error |= maxim_i2c_write(priv, M98090_REG_INTERFACE_FORMAT, 0x0);
+ error |= maxim_i2c_write(priv, M98090_REG_IO_CONFIGURATION,
+ M98090_SDIEN_MASK);
+ error |= maxim_i2c_write(priv, M98090_REG_DEVICE_SHUTDOWN,
+ M98090_SHDNN_MASK);
+ error |= maxim_i2c_write(priv, M98090_REG_OUTPUT_ENABLE,
+ M98090_HPREN_MASK | M98090_HPLEN_MASK |
+ M98090_SPREN_MASK | M98090_SPLEN_MASK |
+ M98090_DAREN_MASK | M98090_DALEN_MASK);
+ error |= maxim_i2c_write(priv, M98090_REG_IO_CONFIGURATION,
+ M98090_SDOEN_MASK | M98090_SDIEN_MASK);
+
+ if (error < 0)
+ return -EIO;
+
+ return 0;
+}
+
+static int max98090_do_init(struct maxim_priv *priv, int sampling_rate,
+ int mclk_freq, int bits_per_sample)
+{
+ int ret = 0;
+
+ ret = max98090_setup_interface(priv);
+ if (ret < 0) {
+ debug("%s: max98090 setup interface failed\n", __func__);
+ return ret;
+ }
+
+ ret = max98090_set_sysclk(priv, mclk_freq);
+ if (ret < 0) {
+ debug("%s: max98090 codec set sys clock failed\n", __func__);
+ return ret;
+ }
+
+ ret = max98090_hw_params(priv, sampling_rate, bits_per_sample);
+
+ if (ret == 0) {
+ ret = max98090_set_fmt(priv, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS);
+ }
+
+ return ret;
+}
+
+static int max98090_set_params(struct udevice *dev, int interface, int rate,
+ int mclk_freq, int bits_per_sample,
+ uint channels)
+{
+ struct maxim_priv *priv = dev_get_priv(dev);
+
+ return max98090_do_init(priv, rate, mclk_freq, bits_per_sample);
+}
+
+static int max98090_probe(struct udevice *dev)
+{
+ struct maxim_priv *priv = dev_get_priv(dev);
+ int ret;
+
+ priv->dev = dev;
+ ret = max98090_device_init(priv);
+ if (ret < 0) {
+ debug("%s: max98090 codec chip init failed\n", __func__);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct audio_codec_ops max98090_ops = {
+ .set_params = max98090_set_params,
+};
+
+static const struct udevice_id max98090_ids[] = {
+ { .compatible = "maxim,max98090" },
+ { }
+};
+
+U_BOOT_DRIVER(max98090) = {
+ .name = "max98090",
+ .id = UCLASS_AUDIO_CODEC,
+ .of_match = max98090_ids,
+ .probe = max98090_probe,
+ .ops = &max98090_ops,
+ .priv_auto_alloc_size = sizeof(struct maxim_priv),
+};
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * max98090.h -- MAX98090 ALSA SoC Audio driver
+ *
+ * Copyright 2011 Maxim Integrated Products
+ */
+
+#ifndef _MAX98090_H
+#define _MAX98090_H
+
+#include "maxim_codec.h"
+
+/* MAX98090 Registers Definition */
+
+#define M98090_REG_SOFTWARE_RESET 0x00
+#define M98090_REG_DEVICE_STATUS 0x01
+
+#define M98090_REG_QUICK_SAMPLE_RATE 0x05
+#define M98090_REG_DAI_INTERFACE 0x06
+#define M98090_REG_DAC_PATH 0x07
+
+#define M98090_REG_MIC_BIAS_VOLTAGE 0x12
+#define M98090_REG_DIGITAL_MIC_ENABLE 0x13
+#define M98090_REG_DIGITAL_MIC_CONFIG 0x14
+#define M98090_REG_SYSTEM_CLOCK 0x1B
+#define M98090_REG_CLOCK_RATIO_NI_MSB 0x1D
+#define M98090_REG_CLOCK_MODE 0x1C
+#define M98090_REG_CLOCK_RATIO_NI_LSB 0x1E
+
+#define M98090_REG_MASTER_MODE 0x21
+#define M98090_REG_INTERFACE_FORMAT 0x22
+#define M98090_REG_IO_CONFIGURATION 0x25
+#define M98090_REG_FILTER_CONFIG 0x26
+
+#define M98090_REG_LEFT_HP_MIXER 0x29
+#define M98090_REG_RIGHT_HP_MIXER 0x2a
+#define M98090_REG_HP_CONTROL 0x2b
+#define M98090_REG_LEFT_HP_VOLUME 0x2c
+#define M98090_REG_RIGHT_HP_VOLUME 0x2d
+#define M98090_REG_LEFT_SPK_MIXER 0x2e
+#define M98090_REG_RIGHT_SPK_MIXER 0x2f
+#define M98090_REG_SPK_CONTROL 0x30
+#define M98090_REG_LEFT_SPK_VOLUME 0x31
+#define M98090_REG_RIGHT_SPK_VOLUME 0x32
+
+#define M98090_REG_RCV_LOUTL_CONTROL 0x38
+#define M98090_REG_RCV_LOUTL_VOLUME 0x39
+#define M98090_REG_LOUTR_MIXER 0x3a
+#define M98090_REG_LOUTR_CONTROL 0x3b
+#define M98090_REG_LOUTR_VOLUME 0x3c
+#define M98090_REG_JACK_DETECT 0x3d
+#define M98090_REG_INPUT_ENABLE 0x3e
+#define M98090_REG_OUTPUT_ENABLE 0x3f
+#define M98090_REG_LEVEL_CONTROL 0x40
+#define M98090_REG_DSP_FILTER_ENABLE 0x41
+#define M98090_REG_BIAS_CONTROL 0x42
+#define M98090_REG_DAC_CONTROL 0x43
+#define M98090_REG_ADC_CONTROL 0x44
+#define M98090_REG_DEVICE_SHUTDOWN 0x45
+
+#define M98090_REG_REVISION_ID 0xff
+
+#define M98090_REG_CNT (0xff + 1)
+#define M98090_REG_MAX_CACHed 0x45
+
+/* MAX98090 Registers Bit Fields */
+
+/*
+ * M98090_REG_SOFTWARE_RESET 0x00
+ */
+#define M98090_SWRESET_MASK BIT(7)
+
+/*
+ * M98090_REG_QUICK_SAMPLE_RATE 0x05
+ */
+#define M98090_SR_96K_MASK BIT(5)
+#define M98090_SR_96K_SHIFT 5
+#define M98090_SR_96K_WIDTH 1
+#define M98090_SR_32K_MASK BIT(4)
+#define M98090_SR_32K_SHIFT 4
+#define M98090_SR_32K_WIDTH 1
+#define M98090_SR_48K_MASK BIT(3)
+#define M98090_SR_48K_SHIFT 3
+#define M98090_SR_48K_WIDTH 1
+#define M98090_SR_44K1_MASK BIT(2)
+#define M98090_SR_44K1_SHIFT 2
+#define M98090_SR_44K1_WIDTH 1
+#define M98090_SR_16K_MASK BIT(1)
+#define M98090_SR_16K_SHIFT 1
+#define M98090_SR_16K_WIDTH 1
+#define M98090_SR_8K_MASK BIT(0)
+#define M98090_SR_8K_SHIFT 0
+#define M98090_SR_8K_WIDTH 1
+#define M98090_SR_MASK 0x3F
+#define M98090_SR_ALL_SHIFT 0
+#define M98090_SR_ALL_WIDTH 8
+#define M98090_SR_ALL_NUM BIT(M98090_SR_ALL_WIDTH)
+
+/*
+ * M98090_REG_DAI_INTERFACE 0x06
+ */
+#define M98090_RJ_M_MASK BIT(5)
+#define M98090_RJ_M_SHIFT 5
+#define M98090_RJ_M_WIDTH 1
+#define M98090_RJ_S_MASK BIT(4)
+#define M98090_RJ_S_SHIFT 4
+#define M98090_RJ_S_WIDTH 1
+#define M98090_LJ_M_MASK BIT(3)
+#define M98090_LJ_M_SHIFT 3
+#define M98090_LJ_M_WIDTH 1
+#define M98090_LJ_S_MASK BIT(2)
+#define M98090_LJ_S_SHIFT 2
+#define M98090_LJ_S_WIDTH 1
+#define M98090_I2S_M_MASK BIT(1)
+#define M98090_I2S_M_SHIFT 1
+#define M98090_I2S_M_WIDTH 1
+#define M98090_I2S_S_MASK BIT(0)
+#define M98090_I2S_S_SHIFT 0
+#define M98090_I2S_S_WIDTH 1
+#define M98090_DAI_ALL_SHIFT 0
+#define M98090_DAI_ALL_WIDTH 8
+#define M98090_DAI_ALL_NUM BIT(M98090_DAI_ALL_WIDTH)
+
+/*
+ * M98090_REG_DAC_PATH 0x07
+ */
+#define M98090_DIG2_HP_MASK BIT(7)
+#define M98090_DIG2_HP_SHIFT 7
+#define M98090_DIG2_HP_WIDTH 1
+#define M98090_DIG2_EAR_MASK BIT(6)
+#define M98090_DIG2_EAR_SHIFT 6
+#define M98090_DIG2_EAR_WIDTH 1
+#define M98090_DIG2_SPK_MASK BIT(5)
+#define M98090_DIG2_SPK_SHIFT 5
+#define M98090_DIG2_SPK_WIDTH 1
+#define M98090_DIG2_LOUT_MASK BIT(4)
+#define M98090_DIG2_LOUT_SHIFT 4
+#define M98090_DIG2_LOUT_WIDTH 1
+#define M98090_DIG2_ALL_SHIFT 0
+#define M98090_DIG2_ALL_WIDTH 8
+#define M98090_DIG2_ALL_NUM BIT(M98090_DIG2_ALL_WIDTH)
+
+/*
+ * M98090_REG_MIC_BIAS_VOLTAGE 0x12
+ */
+#define M98090_MBVSEL_MASK (3 << 0)
+#define M98090_MBVSEL_SHIFT 0
+#define M98090_MBVSEL_WIDTH 2
+#define M98090_MBVSEL_2V8 (3 << 0)
+#define M98090_MBVSEL_2V55 (2 << 0)
+#define M98090_MBVSEL_2V4 BIT(0)
+#define M98090_MBVSEL_2V2 (0 << 0)
+
+/*
+ * M98090_REG_DIGITAL_MIC_ENABLE 0x13
+ */
+#define M98090_MICCLK_MASK (7 << 4)
+#define M98090_MICCLK_SHIFT 4
+#define M98090_MICCLK_WIDTH 3
+#define M98090_DIGMIC4_MASK BIT(3)
+#define M98090_DIGMIC4_SHIFT 3
+#define M98090_DIGMIC4_WIDTH 1
+#define M98090_DIGMIC4_NUM BIT(M98090_DIGMIC4_WIDTH)
+#define M98090_DIGMIC3_MASK BIT(2)
+#define M98090_DIGMIC3_SHIFT 2
+#define M98090_DIGMIC3_WIDTH 1
+#define M98090_DIGMIC3_NUM BIT(M98090_DIGMIC3_WIDTH)
+#define M98090_DIGMICR_MASK BIT(1)
+#define M98090_DIGMICR_SHIFT 1
+#define M98090_DIGMICR_WIDTH 1
+#define M98090_DIGMICR_NUM BIT(M98090_DIGMICR_WIDTH)
+#define M98090_DIGMICL_MASK BIT(0)
+#define M98090_DIGMICL_SHIFT 0
+#define M98090_DIGMICL_WIDTH 1
+#define M98090_DIGMICL_NUM BIT(M98090_DIGMICL_WIDTH)
+
+/*
+ * M98090_REG_DIGITAL_MIC_CONFIG 0x14
+ */
+#define M98090_DMIC_COMP_MASK (15 << 4)
+#define M98090_DMIC_COMP_SHIFT 4
+#define M98090_DMIC_COMP_WIDTH 4
+#define M98090_DMIC_COMP_NUM BIT(M98090_DMIC_COMP_WIDTH)
+#define M98090_DMIC_FREQ_MASK (3 << 0)
+#define M98090_DMIC_FREQ_SHIFT 0
+#define M98090_DMIC_FREQ_WIDTH 2
+
+/*
+ * M98090_REG_CLOCK_MODE 0x1B
+ */
+#define M98090_PSCLK_MASK (3 << 4)
+#define M98090_PSCLK_SHIFT 4
+#define M98090_PSCLK_WIDTH 2
+#define M98090_PSCLK_DISABLED (0 << 4)
+#define M98090_PSCLK_DIV1 BIT(4)
+#define M98090_PSCLK_DIV2 (2 << 4)
+#define M98090_PSCLK_DIV4 (3 << 4)
+
+/*
+ * M98090_REG_INTERFACE_FORMAT 0x22
+ */
+#define M98090_RJ_MASK BIT(5)
+#define M98090_RJ_SHIFT 5
+#define M98090_RJ_WIDTH 1
+#define M98090_WCI_MASK BIT(4)
+#define M98090_WCI_SHIFT 4
+#define M98090_WCI_WIDTH 1
+#define M98090_BCI_MASK BIT(3)
+#define M98090_BCI_SHIFT 3
+#define M98090_BCI_WIDTH 1
+#define M98090_DLY_MASK BIT(2)
+#define M98090_DLY_SHIFT 2
+#define M98090_DLY_WIDTH 1
+#define M98090_WS_MASK (3 << 0)
+#define M98090_WS_SHIFT 0
+#define M98090_WS_WIDTH 2
+#define M98090_WS_NUM BIT(M98090_WS_WIDTH)
+
+/* M98090_REG_IO_CONFIGURATION 0x25 */
+#define M98090_LTEN_MASK BIT(5)
+#define M98090_LTEN_SHIFT 5
+#define M98090_LTEN_WIDTH 1
+#define M98090_LTEN_NUM BIT(M98090_LTEN_WIDTH)
+#define M98090_LBEN_MASK BIT(4)
+#define M98090_LBEN_SHIFT 4
+#define M98090_LBEN_WIDTH 1
+#define M98090_LBEN_NUM BIT(M98090_LBEN_WIDTH)
+#define M98090_DMONO_MASK BIT(3)
+#define M98090_DMONO_SHIFT 3
+#define M98090_DMONO_WIDTH 1
+#define M98090_DMONO_NUM BIT(M98090_DMONO_WIDTH)
+#define M98090_HIZOFF_MASK BIT(2)
+#define M98090_HIZOFF_SHIFT 2
+#define M98090_HIZOFF_WIDTH 1
+#define M98090_HIZOFF_NUM BIT(M98090_HIZOFF_WIDTH)
+#define M98090_SDOEN_MASK BIT(1)
+#define M98090_SDOEN_SHIFT 1
+#define M98090_SDOEN_WIDTH 1
+#define M98090_SDOEN_NUM BIT(M98090_SDOEN_WIDTH)
+#define M98090_SDIEN_MASK BIT(0)
+#define M98090_SDIEN_SHIFT 0
+#define M98090_SDIEN_WIDTH 1
+#define M98090_SDIEN_NUM BIT(M98090_SDIEN_WIDTH)
+
+/*
+ * M98090_REG_FILTER_CONFIG 0x26
+ */
+#define M98090_MODE_MASK BIT(7)
+#define M98090_MODE_SHIFT 7
+#define M98090_MODE_WIDTH 1
+#define M98090_AHPF_MASK BIT(6)
+#define M98090_AHPF_SHIFT 6
+#define M98090_AHPF_WIDTH 1
+#define M98090_AHPF_NUM BIT(M98090_AHPF_WIDTH)
+#define M98090_DHPF_MASK BIT(5)
+#define M98090_DHPF_SHIFT 5
+#define M98090_DHPF_WIDTH 1
+#define M98090_DHPF_NUM BIT(M98090_DHPF_WIDTH)
+#define M98090_DHF_MASK BIT(4)
+#define M98090_DHF_SHIFT 4
+#define M98090_DHF_WIDTH 1
+#define M98090_FLT_DMIC34MODE_MASK BIT(3)
+#define M98090_FLT_DMIC34MODE_SHIFT 3
+#define M98090_FLT_DMIC34MODE_WIDTH 1
+#define M98090_FLT_DMIC34HPF_MASK BIT(2)
+#define M98090_FLT_DMIC34HPF_SHIFT 2
+#define M98090_FLT_DMIC34HPF_WIDTH 1
+#define M98090_FLT_DMIC34HPF_NUM BIT(M98090_FLT_DMIC34HPF_WIDTH)
+
+/*
+ * M98090_REG_CLOCK_MODE
+ */
+#define M98090_FREQ_MASK (15 << 4)
+#define M98090_FREQ_SHIFT 4
+#define M98090_FREQ_WIDTH 4
+#define M98090_USE_M1_MASK BIT(0)
+#define M98090_USE_M1_SHIFT 0
+#define M98090_USE_M1_WIDTH 1
+#define M98090_USE_M1_NUM BIT(M98090_USE_M1_WIDTH)
+
+/*
+ * M98090_REG_LEFT_HP_MIXER 0x29
+ */
+#define M98090_MIXHPL_MIC2_MASK BIT(5)
+#define M98090_MIXHPL_MIC2_SHIFT 5
+#define M98090_MIXHPL_MIC2_WIDTH 1
+#define M98090_MIXHPL_MIC1_MASK BIT(4)
+#define M98090_MIXHPL_MIC1_SHIFT 4
+#define M98090_MIXHPL_MIC1_WIDTH 1
+#define M98090_MIXHPL_LINEB_MASK BIT(3)
+#define M98090_MIXHPL_LINEB_SHIFT 3
+#define M98090_MIXHPL_LINEB_WIDTH 1
+#define M98090_MIXHPL_LINEA_MASK BIT(2)
+#define M98090_MIXHPL_LINEA_SHIFT 2
+#define M98090_MIXHPL_LINEA_WIDTH 1
+#define M98090_MIXHPL_DACR_MASK BIT(1)
+#define M98090_MIXHPL_DACR_SHIFT 1
+#define M98090_MIXHPL_DACR_WIDTH 1
+#define M98090_MIXHPL_DACL_MASK BIT(0)
+#define M98090_MIXHPL_DACL_SHIFT 0
+#define M98090_MIXHPL_DACL_WIDTH 1
+#define M98090_MIXHPL_MASK (63 << 0)
+#define M98090_MIXHPL_SHIFT 0
+#define M98090_MIXHPL_WIDTH 6
+
+/*
+ * M98090_REG_RIGHT_HP_MIXER 0x2A
+ */
+#define M98090_MIXHPR_MIC2_MASK BIT(5)
+#define M98090_MIXHPR_MIC2_SHIFT 5
+#define M98090_MIXHPR_MIC2_WIDTH 1
+#define M98090_MIXHPR_MIC1_MASK BIT(4)
+#define M98090_MIXHPR_MIC1_SHIFT 4
+#define M98090_MIXHPR_MIC1_WIDTH 1
+#define M98090_MIXHPR_LINEB_MASK BIT(3)
+#define M98090_MIXHPR_LINEB_SHIFT 3
+#define M98090_MIXHPR_LINEB_WIDTH 1
+#define M98090_MIXHPR_LINEA_MASK BIT(2)
+#define M98090_MIXHPR_LINEA_SHIFT 2
+#define M98090_MIXHPR_LINEA_WIDTH 1
+#define M98090_MIXHPR_DACR_MASK BIT(1)
+#define M98090_MIXHPR_DACR_SHIFT 1
+#define M98090_MIXHPR_DACR_WIDTH 1
+#define M98090_MIXHPR_DACL_MASK BIT(0)
+#define M98090_MIXHPR_DACL_SHIFT 0
+#define M98090_MIXHPR_DACL_WIDTH 1
+#define M98090_MIXHPR_MASK (63 << 0)
+#define M98090_MIXHPR_SHIFT 0
+#define M98090_MIXHPR_WIDTH 6
+
+/*
+ * M98090_REG_LEFT_HP_VOLUME 0x2C
+ */
+#define M98090_HPLM_MASK BIT(7)
+#define M98090_HPLM_SHIFT 7
+#define M98090_HPLM_WIDTH 1
+#define M98090_HPVOLL_MASK (31 << 0)
+#define M98090_HPVOLL_SHIFT 0
+#define M98090_HPVOLL_WIDTH 5
+#define M98090_HPVOLL_NUM BIT(M98090_HPVOLL_WIDTH)
+
+/*
+ * M98090_REG_RIGHT_HP_VOLUME 0x2D
+ */
+#define M98090_HPRM_MASK BIT(7)
+#define M98090_HPRM_SHIFT 7
+#define M98090_HPRM_WIDTH 1
+#define M98090_HPVOLR_MASK (31 << 0)
+#define M98090_HPVOLR_SHIFT 0
+#define M98090_HPVOLR_WIDTH 5
+#define M98090_HPVOLR_NUM BIT(M98090_HPVOLR_WIDTH)
+
+/*
+ * M98090_REG_LEFT_SPK_MIXER 0x2E
+ */
+#define M98090_MIXSPL_MIC2_MASK BIT(5)
+#define M98090_MIXSPL_MIC2_SHIFT 5
+#define M98090_MIXSPL_MIC2_WIDTH 1
+#define M98090_MIXSPL_MIC1_MASK BIT(4)
+#define M98090_MIXSPL_MIC1_SHIFT 4
+#define M98090_MIXSPL_MIC1_WIDTH 1
+#define M98090_MIXSPL_LINEB_MASK BIT(3)
+#define M98090_MIXSPL_LINEB_SHIFT 3
+#define M98090_MIXSPL_LINEB_WIDTH 1
+#define M98090_MIXSPL_LINEA_MASK BIT(2)
+#define M98090_MIXSPL_LINEA_SHIFT 2
+#define M98090_MIXSPL_LINEA_WIDTH 1
+#define M98090_MIXSPL_DACR_MASK BIT(1)
+#define M98090_MIXSPL_DACR_SHIFT 1
+#define M98090_MIXSPL_DACR_WIDTH 1
+#define M98090_MIXSPL_DACL_MASK BIT(0)
+#define M98090_MIXSPL_DACL_SHIFT 0
+#define M98090_MIXSPL_DACL_WIDTH 1
+#define M98090_MIXSPL_MASK (63 << 0)
+#define M98090_MIXSPL_SHIFT 0
+#define M98090_MIXSPL_WIDTH 6
+#define M98090_MIXSPR_DACR_MASK BIT(1)
+#define M98090_MIXSPR_DACR_SHIFT 1
+#define M98090_MIXSPR_DACR_WIDTH 1
+
+/*
+ * M98090_REG_RIGHT_SPK_MIXER 0x2F
+ */
+#define M98090_SPK_SLAVE_MASK BIT(6)
+#define M98090_SPK_SLAVE_SHIFT 6
+#define M98090_SPK_SLAVE_WIDTH 1
+#define M98090_MIXSPR_MIC2_MASK BIT(5)
+#define M98090_MIXSPR_MIC2_SHIFT 5
+#define M98090_MIXSPR_MIC2_WIDTH 1
+#define M98090_MIXSPR_MIC1_MASK BIT(4)
+#define M98090_MIXSPR_MIC1_SHIFT 4
+#define M98090_MIXSPR_MIC1_WIDTH 1
+#define M98090_MIXSPR_LINEB_MASK BIT(3)
+#define M98090_MIXSPR_LINEB_SHIFT 3
+#define M98090_MIXSPR_LINEB_WIDTH 1
+#define M98090_MIXSPR_LINEA_MASK BIT(2)
+#define M98090_MIXSPR_LINEA_SHIFT 2
+#define M98090_MIXSPR_LINEA_WIDTH 1
+#define M98090_MIXSPR_DACR_MASK BIT(1)
+#define M98090_MIXSPR_DACR_SHIFT 1
+#define M98090_MIXSPR_DACR_WIDTH 1
+#define M98090_MIXSPR_DACL_MASK BIT(0)
+#define M98090_MIXSPR_DACL_SHIFT 0
+#define M98090_MIXSPR_DACL_WIDTH 1
+#define M98090_MIXSPR_MASK (63 << 0)
+#define M98090_MIXSPR_SHIFT 0
+#define M98090_MIXSPR_WIDTH 6
+
+/*
+ * M98090_REG_LEFT_SPK_VOLUME 0x31
+ */
+#define M98090_SPLM_MASK BIT(7)
+#define M98090_SPLM_SHIFT 7
+#define M98090_SPLM_WIDTH 1
+#define M98090_SPVOLL_MASK (63 << 0)
+#define M98090_SPVOLL_SHIFT 0
+#define M98090_SPVOLL_WIDTH 6
+#define M98090_SPVOLL_NUM 40
+
+/*
+ * M98090_REG_RIGHT_SPK_VOLUME 0x32
+ */
+#define M98090_SPRM_MASK BIT(7)
+#define M98090_SPRM_SHIFT 7
+#define M98090_SPRM_WIDTH 1
+#define M98090_SPVOLR_MASK (63 << 0)
+#define M98090_SPVOLR_SHIFT 0
+#define M98090_SPVOLR_WIDTH 6
+#define M98090_SPVOLR_NUM 40
+
+/*
+ * M98090_REG_RCV_LOUTL_MIXER 0x37
+ */
+#define M98090_MIXRCVL_MIC2_MASK BIT(5)
+#define M98090_MIXRCVL_MIC2_SHIFT 5
+#define M98090_MIXRCVL_MIC2_WIDTH 1
+#define M98090_MIXRCVL_MIC1_MASK BIT(4)
+#define M98090_MIXRCVL_MIC1_SHIFT 4
+#define M98090_MIXRCVL_MIC1_WIDTH 1
+#define M98090_MIXRCVL_LINEB_MASK BIT(3)
+#define M98090_MIXRCVL_LINEB_SHIFT 3
+#define M98090_MIXRCVL_LINEB_WIDTH 1
+#define M98090_MIXRCVL_LINEA_MASK BIT(2)
+#define M98090_MIXRCVL_LINEA_SHIFT 2
+#define M98090_MIXRCVL_LINEA_WIDTH 1
+#define M98090_MIXRCVL_DACR_MASK BIT(1)
+#define M98090_MIXRCVL_DACR_SHIFT 1
+#define M98090_MIXRCVL_DACR_WIDTH 1
+#define M98090_MIXRCVL_DACL_MASK BIT(0)
+#define M98090_MIXRCVL_DACL_SHIFT 0
+#define M98090_MIXRCVL_DACL_WIDTH 1
+#define M98090_MIXRCVL_MASK (63 << 0)
+#define M98090_MIXRCVL_SHIFT 0
+#define M98090_MIXRCVL_WIDTH 6
+
+/*
+ * M98090_REG_RCV_LOUTL_CONTROL 0x38
+ */
+#define M98090_MIXRCVLG_MASK (3 << 0)
+#define M98090_MIXRCVLG_SHIFT 0
+#define M98090_MIXRCVLG_WIDTH 2
+#define M98090_MIXRCVLG_NUM BIT(M98090_MIXRCVLG_WIDTH)
+
+/*
+ * M98090_REG_RCV_LOUTL_VOLUME 0x39
+ */
+#define M98090_RCVLM_MASK BIT(7)
+#define M98090_RCVLM_SHIFT 7
+#define M98090_RCVLM_WIDTH 1
+#define M98090_RCVLVOL_MASK (31 << 0)
+#define M98090_RCVLVOL_SHIFT 0
+#define M98090_RCVLVOL_WIDTH 5
+#define M98090_RCVLVOL_NUM BIT(M98090_RCVLVOL_WIDTH)
+
+/*
+ * M98090_REG_LOUTR_MIXER 0x3A
+ */
+#define M98090_LINMOD_MASK BIT(7)
+#define M98090_LINMOD_SHIFT 7
+#define M98090_LINMOD_WIDTH 1
+#define M98090_MIXRCVR_MIC2_MASK BIT(5)
+#define M98090_MIXRCVR_MIC2_SHIFT 5
+#define M98090_MIXRCVR_MIC2_WIDTH 1
+#define M98090_MIXRCVR_MIC1_MASK BIT(4)
+#define M98090_MIXRCVR_MIC1_SHIFT 4
+#define M98090_MIXRCVR_MIC1_WIDTH 1
+#define M98090_MIXRCVR_LINEB_MASK BIT(3)
+#define M98090_MIXRCVR_LINEB_SHIFT 3
+#define M98090_MIXRCVR_LINEB_WIDTH 1
+#define M98090_MIXRCVR_LINEA_MASK BIT(2)
+#define M98090_MIXRCVR_LINEA_SHIFT 2
+#define M98090_MIXRCVR_LINEA_WIDTH 1
+#define M98090_MIXRCVR_DACR_MASK BIT(1)
+#define M98090_MIXRCVR_DACR_SHIFT 1
+#define M98090_MIXRCVR_DACR_WIDTH 1
+#define M98090_MIXRCVR_DACL_MASK BIT(0)
+#define M98090_MIXRCVR_DACL_SHIFT 0
+#define M98090_MIXRCVR_DACL_WIDTH 1
+#define M98090_MIXRCVR_MASK (63 << 0)
+#define M98090_MIXRCVR_SHIFT 0
+#define M98090_MIXRCVR_WIDTH 6
+
+/*
+ * M98090_REG_LOUTR_VOLUME 0x3C
+ */
+#define M98090_RCVRM_MASK BIT(7)
+#define M98090_RCVRM_SHIFT 7
+#define M98090_RCVRM_WIDTH 1
+#define M98090_RCVRVOL_MASK (31 << 0)
+#define M98090_RCVRVOL_SHIFT 0
+#define M98090_RCVRVOL_WIDTH 5
+#define M98090_RCVRVOL_NUM BIT(M98090_RCVRVOL_WIDTH)
+
+/*
+ * M98090_REG_JACK_DETECT 0x3D
+ */
+#define M98090_JDETEN_MASK BIT(7)
+#define M98090_JDETEN_SHIFT 7
+#define M98090_JDETEN_WIDTH 1
+#define M98090_JDWK_MASK BIT(6)
+#define M98090_JDWK_SHIFT 6
+#define M98090_JDWK_WIDTH 1
+#define M98090_JDEB_MASK (3 << 0)
+#define M98090_JDEB_SHIFT 0
+#define M98090_JDEB_WIDTH 2
+#define M98090_JDEB_25MS (0 << 0)
+#define M98090_JDEB_50MS BIT(0)
+#define M98090_JDEB_100MS (2 << 0)
+#define M98090_JDEB_200MS (3 << 0)
+
+/*
+ * M98090_REG_INPUT_ENABLE 0x3E
+ */
+#define M98090_MBEN_MASK BIT(4)
+#define M98090_MBEN_SHIFT 4
+#define M98090_MBEN_WIDTH 1
+#define M98090_LINEAEN_MASK BIT(3)
+#define M98090_LINEAEN_SHIFT 3
+#define M98090_LINEAEN_WIDTH 1
+#define M98090_LINEBEN_MASK BIT(2)
+#define M98090_LINEBEN_SHIFT 2
+#define M98090_LINEBEN_WIDTH 1
+#define M98090_ADREN_MASK BIT(1)
+#define M98090_ADREN_SHIFT 1
+#define M98090_ADREN_WIDTH 1
+#define M98090_ADLEN_MASK BIT(0)
+#define M98090_ADLEN_SHIFT 0
+#define M98090_ADLEN_WIDTH 1
+
+/*
+ * M98090_REG_OUTPUT_ENABLE 0x3F
+ */
+#define M98090_HPREN_MASK BIT(7)
+#define M98090_HPREN_SHIFT 7
+#define M98090_HPREN_WIDTH 1
+#define M98090_HPLEN_MASK BIT(6)
+#define M98090_HPLEN_SHIFT 6
+#define M98090_HPLEN_WIDTH 1
+#define M98090_SPREN_MASK BIT(5)
+#define M98090_SPREN_SHIFT 5
+#define M98090_SPREN_WIDTH 1
+#define M98090_SPLEN_MASK BIT(4)
+#define M98090_SPLEN_SHIFT 4
+#define M98090_SPLEN_WIDTH 1
+#define M98090_RCVLEN_MASK BIT(3)
+#define M98090_RCVLEN_SHIFT 3
+#define M98090_RCVLEN_WIDTH 1
+#define M98090_RCVREN_MASK BIT(2)
+#define M98090_RCVREN_SHIFT 2
+#define M98090_RCVREN_WIDTH 1
+#define M98090_DAREN_MASK BIT(1)
+#define M98090_DAREN_SHIFT 1
+#define M98090_DAREN_WIDTH 1
+#define M98090_DALEN_MASK BIT(0)
+#define M98090_DALEN_SHIFT 0
+#define M98090_DALEN_WIDTH 1
+
+/*
+ * M98090_REG_LEVEL_CONTROL 0x40
+ */
+#define M98090_ZDENN_MASK BIT(2)
+#define M98090_ZDENN_SHIFT 2
+#define M98090_ZDENN_WIDTH 1
+#define M98090_ZDENN_NUM BIT(M98090_ZDENN_WIDTH)
+#define M98090_VS2ENN_MASK BIT(1)
+#define M98090_VS2ENN_SHIFT 1
+#define M98090_VS2ENN_WIDTH 1
+#define M98090_VS2ENN_NUM BIT(M98090_VS2ENN_WIDTH)
+#define M98090_VSENN_MASK BIT(0)
+#define M98090_VSENN_SHIFT 0
+#define M98090_VSENN_WIDTH 1
+#define M98090_VSENN_NUM BIT(M98090_VSENN_WIDTH)
+
+/*
+ * M98090_REG_BIAS_CONTROL 0x42
+ */
+#define M98090_VCM_MODE_MASK BIT(0)
+#define M98090_VCM_MODE_SHIFT 0
+#define M98090_VCM_MODE_WIDTH 1
+#define M98090_VCM_MODE_NUM BIT(M98090_VCM_MODE_WIDTH)
+
+/*
+ * M98090_REG_DAC_CONTROL 0x43
+ */
+#define M98090_PERFMODE_MASK BIT(1)
+#define M98090_PERFMODE_SHIFT 1
+#define M98090_PERFMODE_WIDTH 1
+#define M98090_PERFMODE_NUM BIT(M98090_PERFMODE_WIDTH)
+#define M98090_DACHP_MASK BIT(0)
+#define M98090_DACHP_SHIFT 0
+#define M98090_DACHP_WIDTH 1
+#define M98090_DACHP_NUM BIT(M98090_DACHP_WIDTH)
+
+/*
+ * M98090_REG_ADC_CONTROL 0x44
+ */
+#define M98090_OSR128_MASK BIT(2)
+#define M98090_OSR128_SHIFT 2
+#define M98090_OSR128_WIDTH 1
+#define M98090_ADCDITHER_MASK BIT(1)
+#define M98090_ADCDITHER_SHIFT 1
+#define M98090_ADCDITHER_WIDTH 1
+#define M98090_ADCDITHER_NUM BIT(M98090_ADCDITHER_WIDTH)
+#define M98090_ADCHP_MASK BIT(0)
+#define M98090_ADCHP_SHIFT 0
+#define M98090_ADCHP_WIDTH 1
+#define M98090_ADCHP_NUM BIT(M98090_ADCHP_WIDTH)
+
+/*
+ * M98090_REG_DEVICE_SHUTDOWN 0x45
+ */
+#define M98090_SHDNN_MASK BIT(7)
+#define M98090_SHDNN_SHIFT 7
+#define M98090_SHDNN_WIDTH 1
+
+/*
+ * M98090_REG_REVISION_ID 0xFF
+ */
+#define M98090_REVID_MASK (255 << 0)
+#define M98090_REVID_SHIFT 0
+#define M98090_REVID_WIDTH 8
+#define M98090_REVID_NUM BIT(M98090_REVID_WIDTH)
+
+/* function prototype */
+
+/*
+ * initialise max98090 sound codec device for the given configuration
+ *
+ * @param blob FDT node for codec values
+ * @param sampling_rate Sampling rate (Hz)
+ * @param mclk_freq MCLK Frequency (Hz)
+ * @param bits_per_sample bits per Sample (must be 16 or 24)
+ *
+ * @returns -1 for error and 0 Success.
+ */
+int max98090_init(const void *blob, int sampling_rate, int mclk_freq,
+ int bits_per_sample);
+int max98090_set_sysclk(struct maxim_priv *max98090, uint freq);
+int max98090_hw_params(struct maxim_priv *max98090, uint rate,
+ uint bits_per_sample);
+int max98090_device_init(struct maxim_priv *max98090);
+int max98090_set_fmt(struct maxim_priv *max98090, int fmt);
+#endif
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