diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/codecs/cx2072x.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/codecs/cx2072x.c')
-rw-r--r-- | sound/soc/codecs/cx2072x.c | 1725 |
1 files changed, 1725 insertions, 0 deletions
diff --git a/sound/soc/codecs/cx2072x.c b/sound/soc/codecs/cx2072x.c new file mode 100644 index 0000000000..f8b1280840 --- /dev/null +++ b/sound/soc/codecs/cx2072x.c @@ -0,0 +1,1725 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// ALSA SoC CX20721/CX20723 codec driver +// +// Copyright: (C) 2017 Conexant Systems, Inc. +// Author: Simon Ho, <Simon.ho@conexant.com> +// +// TODO: add support for TDM mode. +// + +#include <linux/acpi.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <sound/core.h> +#include <sound/initval.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/tlv.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include "cx2072x.h" + +#define PLL_OUT_HZ_48 (1024 * 3 * 48000) +#define BITS_PER_SLOT 8 + +/* codec private data */ +struct cx2072x_priv { + struct regmap *regmap; + struct clk *mclk; + unsigned int mclk_rate; + struct device *dev; + struct snd_soc_component *codec; + struct snd_soc_jack_gpio jack_gpio; + struct mutex lock; + unsigned int bclk_ratio; + bool pll_changed; + bool i2spcm_changed; + int sample_size; + int frame_size; + int sample_rate; + unsigned int dai_fmt; + bool en_aec_ref; +}; + +/* + * DAC/ADC Volume + * + * max : 74 : 0 dB + * ( in 1 dB step ) + * min : 0 : -74 dB + */ +static const DECLARE_TLV_DB_SCALE(adc_tlv, -7400, 100, 0); +static const DECLARE_TLV_DB_SCALE(dac_tlv, -7400, 100, 0); +static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 1200, 0); + +struct cx2072x_eq_ctrl { + u8 ch; + u8 band; +}; + +static const DECLARE_TLV_DB_RANGE(hpf_tlv, + 0, 0, TLV_DB_SCALE_ITEM(120, 0, 0), + 1, 63, TLV_DB_SCALE_ITEM(30, 30, 0) +); + +/* Lookup table for PRE_DIV */ +static const struct { + unsigned int mclk; + unsigned int div; +} mclk_pre_div[] = { + { 6144000, 1 }, + { 12288000, 2 }, + { 19200000, 3 }, + { 26000000, 4 }, + { 28224000, 5 }, + { 36864000, 6 }, + { 36864000, 7 }, + { 48000000, 8 }, + { 49152000, 8 }, +}; + +/* + * cx2072x register cache. + */ +static const struct reg_default cx2072x_reg_defaults[] = { + { CX2072X_AFG_POWER_STATE, 0x00000003 }, + { CX2072X_UM_RESPONSE, 0x00000000 }, + { CX2072X_GPIO_DATA, 0x00000000 }, + { CX2072X_GPIO_ENABLE, 0x00000000 }, + { CX2072X_GPIO_DIRECTION, 0x00000000 }, + { CX2072X_GPIO_WAKE, 0x00000000 }, + { CX2072X_GPIO_UM_ENABLE, 0x00000000 }, + { CX2072X_GPIO_STICKY_MASK, 0x00000000 }, + { CX2072X_DAC1_CONVERTER_FORMAT, 0x00000031 }, + { CX2072X_DAC1_AMP_GAIN_RIGHT, 0x0000004a }, + { CX2072X_DAC1_AMP_GAIN_LEFT, 0x0000004a }, + { CX2072X_DAC1_POWER_STATE, 0x00000433 }, + { CX2072X_DAC1_CONVERTER_STREAM_CHANNEL, 0x00000000 }, + { CX2072X_DAC1_EAPD_ENABLE, 0x00000000 }, + { CX2072X_DAC2_CONVERTER_FORMAT, 0x00000031 }, + { CX2072X_DAC2_AMP_GAIN_RIGHT, 0x0000004a }, + { CX2072X_DAC2_AMP_GAIN_LEFT, 0x0000004a }, + { CX2072X_DAC2_POWER_STATE, 0x00000433 }, + { CX2072X_DAC2_CONVERTER_STREAM_CHANNEL, 0x00000000 }, + { CX2072X_ADC1_CONVERTER_FORMAT, 0x00000031 }, + { CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_LEFT_0, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_LEFT_1, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_LEFT_2, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_RIGHT_3, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_LEFT_3, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_RIGHT_4, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_LEFT_4, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_RIGHT_5, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_LEFT_5, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_RIGHT_6, 0x0000004a }, + { CX2072X_ADC1_AMP_GAIN_LEFT_6, 0x0000004a }, + { CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0x00000000 }, + { CX2072X_ADC1_POWER_STATE, 0x00000433 }, + { CX2072X_ADC1_CONVERTER_STREAM_CHANNEL, 0x00000000 }, + { CX2072X_ADC2_CONVERTER_FORMAT, 0x00000031 }, + { CX2072X_ADC2_AMP_GAIN_RIGHT_0, 0x0000004a }, + { CX2072X_ADC2_AMP_GAIN_LEFT_0, 0x0000004a }, + { CX2072X_ADC2_AMP_GAIN_RIGHT_1, 0x0000004a }, + { CX2072X_ADC2_AMP_GAIN_LEFT_1, 0x0000004a }, + { CX2072X_ADC2_AMP_GAIN_RIGHT_2, 0x0000004a }, + { CX2072X_ADC2_AMP_GAIN_LEFT_2, 0x0000004a }, + { CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0x00000000 }, + { CX2072X_ADC2_POWER_STATE, 0x00000433 }, + { CX2072X_ADC2_CONVERTER_STREAM_CHANNEL, 0x00000000 }, + { CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0x00000000 }, + { CX2072X_PORTA_POWER_STATE, 0x00000433 }, + { CX2072X_PORTA_PIN_CTRL, 0x000000c0 }, + { CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x00000000 }, + { CX2072X_PORTA_PIN_SENSE, 0x00000000 }, + { CX2072X_PORTA_EAPD_BTL, 0x00000002 }, + { CX2072X_PORTB_POWER_STATE, 0x00000433 }, + { CX2072X_PORTB_PIN_CTRL, 0x00000000 }, + { CX2072X_PORTB_UNSOLICITED_RESPONSE, 0x00000000 }, + { CX2072X_PORTB_PIN_SENSE, 0x00000000 }, + { CX2072X_PORTB_EAPD_BTL, 0x00000002 }, + { CX2072X_PORTB_GAIN_RIGHT, 0x00000000 }, + { CX2072X_PORTB_GAIN_LEFT, 0x00000000 }, + { CX2072X_PORTC_POWER_STATE, 0x00000433 }, + { CX2072X_PORTC_PIN_CTRL, 0x00000000 }, + { CX2072X_PORTC_GAIN_RIGHT, 0x00000000 }, + { CX2072X_PORTC_GAIN_LEFT, 0x00000000 }, + { CX2072X_PORTD_POWER_STATE, 0x00000433 }, + { CX2072X_PORTD_PIN_CTRL, 0x00000020 }, + { CX2072X_PORTD_UNSOLICITED_RESPONSE, 0x00000000 }, + { CX2072X_PORTD_PIN_SENSE, 0x00000000 }, + { CX2072X_PORTD_GAIN_RIGHT, 0x00000000 }, + { CX2072X_PORTD_GAIN_LEFT, 0x00000000 }, + { CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0x00000000 }, + { CX2072X_PORTE_POWER_STATE, 0x00000433 }, + { CX2072X_PORTE_PIN_CTRL, 0x00000040 }, + { CX2072X_PORTE_UNSOLICITED_RESPONSE, 0x00000000 }, + { CX2072X_PORTE_PIN_SENSE, 0x00000000 }, + { CX2072X_PORTE_EAPD_BTL, 0x00000002 }, + { CX2072X_PORTE_GAIN_RIGHT, 0x00000000 }, + { CX2072X_PORTE_GAIN_LEFT, 0x00000000 }, + { CX2072X_PORTF_POWER_STATE, 0x00000433 }, + { CX2072X_PORTF_PIN_CTRL, 0x00000000 }, + { CX2072X_PORTF_UNSOLICITED_RESPONSE, 0x00000000 }, + { CX2072X_PORTF_PIN_SENSE, 0x00000000 }, + { CX2072X_PORTF_GAIN_RIGHT, 0x00000000 }, + { CX2072X_PORTF_GAIN_LEFT, 0x00000000 }, + { CX2072X_PORTG_POWER_STATE, 0x00000433 }, + { CX2072X_PORTG_PIN_CTRL, 0x00000040 }, + { CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0x00000000 }, + { CX2072X_PORTG_EAPD_BTL, 0x00000002 }, + { CX2072X_PORTM_POWER_STATE, 0x00000433 }, + { CX2072X_PORTM_PIN_CTRL, 0x00000000 }, + { CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0x00000000 }, + { CX2072X_PORTM_EAPD_BTL, 0x00000002 }, + { CX2072X_MIXER_POWER_STATE, 0x00000433 }, + { CX2072X_MIXER_GAIN_RIGHT_0, 0x0000004a }, + { CX2072X_MIXER_GAIN_LEFT_0, 0x0000004a }, + { CX2072X_MIXER_GAIN_RIGHT_1, 0x0000004a }, + { CX2072X_MIXER_GAIN_LEFT_1, 0x0000004a }, + { CX2072X_SPKR_DRC_ENABLE_STEP, 0x040065a4 }, + { CX2072X_SPKR_DRC_CONTROL, 0x007b0024 }, + { CX2072X_SPKR_DRC_TEST, 0x00000000 }, + { CX2072X_DIGITAL_BIOS_TEST0, 0x001f008a }, + { CX2072X_DIGITAL_BIOS_TEST2, 0x00990026 }, + { CX2072X_I2SPCM_CONTROL1, 0x00010001 }, + { CX2072X_I2SPCM_CONTROL2, 0x00000000 }, + { CX2072X_I2SPCM_CONTROL3, 0x00000000 }, + { CX2072X_I2SPCM_CONTROL4, 0x00000000 }, + { CX2072X_I2SPCM_CONTROL5, 0x00000000 }, + { CX2072X_I2SPCM_CONTROL6, 0x00000000 }, + { CX2072X_UM_INTERRUPT_CRTL_E, 0x00000000 }, + { CX2072X_CODEC_TEST2, 0x00000000 }, + { CX2072X_CODEC_TEST9, 0x00000004 }, + { CX2072X_CODEC_TEST20, 0x00000600 }, + { CX2072X_CODEC_TEST26, 0x00000208 }, + { CX2072X_ANALOG_TEST4, 0x00000000 }, + { CX2072X_ANALOG_TEST5, 0x00000000 }, + { CX2072X_ANALOG_TEST6, 0x0000059a }, + { CX2072X_ANALOG_TEST7, 0x000000a7 }, + { CX2072X_ANALOG_TEST8, 0x00000017 }, + { CX2072X_ANALOG_TEST9, 0x00000000 }, + { CX2072X_ANALOG_TEST10, 0x00000285 }, + { CX2072X_ANALOG_TEST11, 0x00000000 }, + { CX2072X_ANALOG_TEST12, 0x00000000 }, + { CX2072X_ANALOG_TEST13, 0x00000000 }, + { CX2072X_DIGITAL_TEST1, 0x00000242 }, + { CX2072X_DIGITAL_TEST11, 0x00000000 }, + { CX2072X_DIGITAL_TEST12, 0x00000084 }, + { CX2072X_DIGITAL_TEST15, 0x00000077 }, + { CX2072X_DIGITAL_TEST16, 0x00000021 }, + { CX2072X_DIGITAL_TEST17, 0x00000018 }, + { CX2072X_DIGITAL_TEST18, 0x00000024 }, + { CX2072X_DIGITAL_TEST19, 0x00000001 }, + { CX2072X_DIGITAL_TEST20, 0x00000002 }, +}; + +/* + * register initialization + */ +static const struct reg_sequence cx2072x_reg_init[] = { + { CX2072X_ANALOG_TEST9, 0x080 }, /* DC offset Calibration */ + { CX2072X_CODEC_TEST26, 0x65f }, /* Disable the PA */ + { CX2072X_ANALOG_TEST10, 0x289 }, /* Set the speaker output gain */ + { CX2072X_CODEC_TEST20, 0xf05 }, + { CX2072X_CODEC_TESTXX, 0x380 }, + { CX2072X_CODEC_TEST26, 0xb90 }, + { CX2072X_CODEC_TEST9, 0x001 }, /* Enable 30 Hz High pass filter */ + { CX2072X_ANALOG_TEST3, 0x300 }, /* Disable PCBEEP pad */ + { CX2072X_CODEC_TEST24, 0x100 }, /* Disable SnM mode */ + { CX2072X_PORTD_PIN_CTRL, 0x020 }, /* Enable PortD input */ + { CX2072X_GPIO_ENABLE, 0x040 }, /* Enable GPIO7 pin for button */ + { CX2072X_GPIO_UM_ENABLE, 0x040 }, /* Enable UM for GPIO7 */ + { CX2072X_UM_RESPONSE, 0x080 }, /* Enable button response */ + { CX2072X_DIGITAL_TEST12, 0x0c4 }, /* Enable headset button */ + { CX2072X_DIGITAL_TEST0, 0x415 }, /* Power down class-D during idle */ + { CX2072X_I2SPCM_CONTROL2, 0x00f }, /* Enable I2S TX */ + { CX2072X_I2SPCM_CONTROL3, 0x00f }, /* Enable I2S RX */ +}; + +static unsigned int cx2072x_register_size(unsigned int reg) +{ + switch (reg) { + case CX2072X_VENDOR_ID: + case CX2072X_REVISION_ID: + case CX2072X_PORTA_PIN_SENSE: + case CX2072X_PORTB_PIN_SENSE: + case CX2072X_PORTD_PIN_SENSE: + case CX2072X_PORTE_PIN_SENSE: + case CX2072X_PORTF_PIN_SENSE: + case CX2072X_I2SPCM_CONTROL1: + case CX2072X_I2SPCM_CONTROL2: + case CX2072X_I2SPCM_CONTROL3: + case CX2072X_I2SPCM_CONTROL4: + case CX2072X_I2SPCM_CONTROL5: + case CX2072X_I2SPCM_CONTROL6: + case CX2072X_UM_INTERRUPT_CRTL_E: + case CX2072X_EQ_G_COEFF: + case CX2072X_SPKR_DRC_CONTROL: + case CX2072X_SPKR_DRC_TEST: + case CX2072X_DIGITAL_BIOS_TEST0: + case CX2072X_DIGITAL_BIOS_TEST2: + return 4; + case CX2072X_EQ_ENABLE_BYPASS: + case CX2072X_EQ_B0_COEFF: + case CX2072X_EQ_B1_COEFF: + case CX2072X_EQ_B2_COEFF: + case CX2072X_EQ_A1_COEFF: + case CX2072X_EQ_A2_COEFF: + case CX2072X_DAC1_CONVERTER_FORMAT: + case CX2072X_DAC2_CONVERTER_FORMAT: + case CX2072X_ADC1_CONVERTER_FORMAT: + case CX2072X_ADC2_CONVERTER_FORMAT: + case CX2072X_CODEC_TEST2: + case CX2072X_CODEC_TEST9: + case CX2072X_CODEC_TEST20: + case CX2072X_CODEC_TEST26: + case CX2072X_ANALOG_TEST3: + case CX2072X_ANALOG_TEST4: + case CX2072X_ANALOG_TEST5: + case CX2072X_ANALOG_TEST6: + case CX2072X_ANALOG_TEST7: + case CX2072X_ANALOG_TEST8: + case CX2072X_ANALOG_TEST9: + case CX2072X_ANALOG_TEST10: + case CX2072X_ANALOG_TEST11: + case CX2072X_ANALOG_TEST12: + case CX2072X_ANALOG_TEST13: + case CX2072X_DIGITAL_TEST0: + case CX2072X_DIGITAL_TEST1: + case CX2072X_DIGITAL_TEST11: + case CX2072X_DIGITAL_TEST12: + case CX2072X_DIGITAL_TEST15: + case CX2072X_DIGITAL_TEST16: + case CX2072X_DIGITAL_TEST17: + case CX2072X_DIGITAL_TEST18: + case CX2072X_DIGITAL_TEST19: + case CX2072X_DIGITAL_TEST20: + return 2; + default: + return 1; + } +} + +static bool cx2072x_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CX2072X_VENDOR_ID: + case CX2072X_REVISION_ID: + case CX2072X_CURRENT_BCLK_FREQUENCY: + case CX2072X_AFG_POWER_STATE: + case CX2072X_UM_RESPONSE: + case CX2072X_GPIO_DATA: + case CX2072X_GPIO_ENABLE: + case CX2072X_GPIO_DIRECTION: + case CX2072X_GPIO_WAKE: + case CX2072X_GPIO_UM_ENABLE: + case CX2072X_GPIO_STICKY_MASK: + case CX2072X_DAC1_CONVERTER_FORMAT: + case CX2072X_DAC1_AMP_GAIN_RIGHT: + case CX2072X_DAC1_AMP_GAIN_LEFT: + case CX2072X_DAC1_POWER_STATE: + case CX2072X_DAC1_CONVERTER_STREAM_CHANNEL: + case CX2072X_DAC1_EAPD_ENABLE: + case CX2072X_DAC2_CONVERTER_FORMAT: + case CX2072X_DAC2_AMP_GAIN_RIGHT: + case CX2072X_DAC2_AMP_GAIN_LEFT: + case CX2072X_DAC2_POWER_STATE: + case CX2072X_DAC2_CONVERTER_STREAM_CHANNEL: + case CX2072X_ADC1_CONVERTER_FORMAT: + case CX2072X_ADC1_AMP_GAIN_RIGHT_0: + case CX2072X_ADC1_AMP_GAIN_LEFT_0: + case CX2072X_ADC1_AMP_GAIN_RIGHT_1: + case CX2072X_ADC1_AMP_GAIN_LEFT_1: + case CX2072X_ADC1_AMP_GAIN_RIGHT_2: + case CX2072X_ADC1_AMP_GAIN_LEFT_2: + case CX2072X_ADC1_AMP_GAIN_RIGHT_3: + case CX2072X_ADC1_AMP_GAIN_LEFT_3: + case CX2072X_ADC1_AMP_GAIN_RIGHT_4: + case CX2072X_ADC1_AMP_GAIN_LEFT_4: + case CX2072X_ADC1_AMP_GAIN_RIGHT_5: + case CX2072X_ADC1_AMP_GAIN_LEFT_5: + case CX2072X_ADC1_AMP_GAIN_RIGHT_6: + case CX2072X_ADC1_AMP_GAIN_LEFT_6: + case CX2072X_ADC1_CONNECTION_SELECT_CONTROL: + case CX2072X_ADC1_POWER_STATE: + case CX2072X_ADC1_CONVERTER_STREAM_CHANNEL: + case CX2072X_ADC2_CONVERTER_FORMAT: + case CX2072X_ADC2_AMP_GAIN_RIGHT_0: + case CX2072X_ADC2_AMP_GAIN_LEFT_0: + case CX2072X_ADC2_AMP_GAIN_RIGHT_1: + case CX2072X_ADC2_AMP_GAIN_LEFT_1: + case CX2072X_ADC2_AMP_GAIN_RIGHT_2: + case CX2072X_ADC2_AMP_GAIN_LEFT_2: + case CX2072X_ADC2_CONNECTION_SELECT_CONTROL: + case CX2072X_ADC2_POWER_STATE: + case CX2072X_ADC2_CONVERTER_STREAM_CHANNEL: + case CX2072X_PORTA_CONNECTION_SELECT_CTRL: + case CX2072X_PORTA_POWER_STATE: + case CX2072X_PORTA_PIN_CTRL: + case CX2072X_PORTA_UNSOLICITED_RESPONSE: + case CX2072X_PORTA_PIN_SENSE: + case CX2072X_PORTA_EAPD_BTL: + case CX2072X_PORTB_POWER_STATE: + case CX2072X_PORTB_PIN_CTRL: + case CX2072X_PORTB_UNSOLICITED_RESPONSE: + case CX2072X_PORTB_PIN_SENSE: + case CX2072X_PORTB_EAPD_BTL: + case CX2072X_PORTB_GAIN_RIGHT: + case CX2072X_PORTB_GAIN_LEFT: + case CX2072X_PORTC_POWER_STATE: + case CX2072X_PORTC_PIN_CTRL: + case CX2072X_PORTC_GAIN_RIGHT: + case CX2072X_PORTC_GAIN_LEFT: + case CX2072X_PORTD_POWER_STATE: + case CX2072X_PORTD_PIN_CTRL: + case CX2072X_PORTD_UNSOLICITED_RESPONSE: + case CX2072X_PORTD_PIN_SENSE: + case CX2072X_PORTD_GAIN_RIGHT: + case CX2072X_PORTD_GAIN_LEFT: + case CX2072X_PORTE_CONNECTION_SELECT_CTRL: + case CX2072X_PORTE_POWER_STATE: + case CX2072X_PORTE_PIN_CTRL: + case CX2072X_PORTE_UNSOLICITED_RESPONSE: + case CX2072X_PORTE_PIN_SENSE: + case CX2072X_PORTE_EAPD_BTL: + case CX2072X_PORTE_GAIN_RIGHT: + case CX2072X_PORTE_GAIN_LEFT: + case CX2072X_PORTF_POWER_STATE: + case CX2072X_PORTF_PIN_CTRL: + case CX2072X_PORTF_UNSOLICITED_RESPONSE: + case CX2072X_PORTF_PIN_SENSE: + case CX2072X_PORTF_GAIN_RIGHT: + case CX2072X_PORTF_GAIN_LEFT: + case CX2072X_PORTG_POWER_STATE: + case CX2072X_PORTG_PIN_CTRL: + case CX2072X_PORTG_CONNECTION_SELECT_CTRL: + case CX2072X_PORTG_EAPD_BTL: + case CX2072X_PORTM_POWER_STATE: + case CX2072X_PORTM_PIN_CTRL: + case CX2072X_PORTM_CONNECTION_SELECT_CTRL: + case CX2072X_PORTM_EAPD_BTL: + case CX2072X_MIXER_POWER_STATE: + case CX2072X_MIXER_GAIN_RIGHT_0: + case CX2072X_MIXER_GAIN_LEFT_0: + case CX2072X_MIXER_GAIN_RIGHT_1: + case CX2072X_MIXER_GAIN_LEFT_1: + case CX2072X_EQ_ENABLE_BYPASS: + case CX2072X_EQ_B0_COEFF: + case CX2072X_EQ_B1_COEFF: + case CX2072X_EQ_B2_COEFF: + case CX2072X_EQ_A1_COEFF: + case CX2072X_EQ_A2_COEFF: + case CX2072X_EQ_G_COEFF: + case CX2072X_SPKR_DRC_ENABLE_STEP: + case CX2072X_SPKR_DRC_CONTROL: + case CX2072X_SPKR_DRC_TEST: + case CX2072X_DIGITAL_BIOS_TEST0: + case CX2072X_DIGITAL_BIOS_TEST2: + case CX2072X_I2SPCM_CONTROL1: + case CX2072X_I2SPCM_CONTROL2: + case CX2072X_I2SPCM_CONTROL3: + case CX2072X_I2SPCM_CONTROL4: + case CX2072X_I2SPCM_CONTROL5: + case CX2072X_I2SPCM_CONTROL6: + case CX2072X_UM_INTERRUPT_CRTL_E: + case CX2072X_CODEC_TEST2: + case CX2072X_CODEC_TEST9: + case CX2072X_CODEC_TEST20: + case CX2072X_CODEC_TEST26: + case CX2072X_ANALOG_TEST4: + case CX2072X_ANALOG_TEST5: + case CX2072X_ANALOG_TEST6: + case CX2072X_ANALOG_TEST7: + case CX2072X_ANALOG_TEST8: + case CX2072X_ANALOG_TEST9: + case CX2072X_ANALOG_TEST10: + case CX2072X_ANALOG_TEST11: + case CX2072X_ANALOG_TEST12: + case CX2072X_ANALOG_TEST13: + case CX2072X_DIGITAL_TEST0: + case CX2072X_DIGITAL_TEST1: + case CX2072X_DIGITAL_TEST11: + case CX2072X_DIGITAL_TEST12: + case CX2072X_DIGITAL_TEST15: + case CX2072X_DIGITAL_TEST16: + case CX2072X_DIGITAL_TEST17: + case CX2072X_DIGITAL_TEST18: + case CX2072X_DIGITAL_TEST19: + case CX2072X_DIGITAL_TEST20: + return true; + default: + return false; + } +} + +static bool cx2072x_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CX2072X_VENDOR_ID: + case CX2072X_REVISION_ID: + case CX2072X_UM_INTERRUPT_CRTL_E: + case CX2072X_DIGITAL_TEST11: + case CX2072X_PORTA_PIN_SENSE: + case CX2072X_PORTB_PIN_SENSE: + case CX2072X_PORTD_PIN_SENSE: + case CX2072X_PORTE_PIN_SENSE: + case CX2072X_PORTF_PIN_SENSE: + case CX2072X_EQ_G_COEFF: + case CX2072X_EQ_BAND: + return true; + default: + return false; + } +} + +static int cx2072x_reg_raw_write(struct i2c_client *client, + unsigned int reg, + const void *val, size_t val_count) +{ + struct device *dev = &client->dev; + u8 buf[2 + CX2072X_MAX_EQ_COEFF]; + int ret; + + if (WARN_ON(val_count + 2 > sizeof(buf))) + return -EINVAL; + + buf[0] = reg >> 8; + buf[1] = reg & 0xff; + + memcpy(buf + 2, val, val_count); + + ret = i2c_master_send(client, buf, val_count + 2); + if (ret != val_count + 2) { + dev_err(dev, "I2C write failed, ret = %d\n", ret); + return ret < 0 ? ret : -EIO; + } + return 0; +} + +static int cx2072x_reg_write(void *context, unsigned int reg, + unsigned int value) +{ + __le32 raw_value; + unsigned int size; + + size = cx2072x_register_size(reg); + + if (reg == CX2072X_UM_INTERRUPT_CRTL_E) { + /* Update the MSB byte only */ + reg += 3; + size = 1; + value >>= 24; + } + + raw_value = cpu_to_le32(value); + return cx2072x_reg_raw_write(context, reg, &raw_value, size); +} + +static int cx2072x_reg_read(void *context, unsigned int reg, + unsigned int *value) +{ + struct i2c_client *client = context; + struct device *dev = &client->dev; + __le32 recv_buf = 0; + struct i2c_msg msgs[2]; + unsigned int size; + u8 send_buf[2]; + int ret; + + size = cx2072x_register_size(reg); + + send_buf[0] = reg >> 8; + send_buf[1] = reg & 0xff; + + msgs[0].addr = client->addr; + msgs[0].len = sizeof(send_buf); + msgs[0].buf = send_buf; + msgs[0].flags = 0; + + msgs[1].addr = client->addr; + msgs[1].len = size; + msgs[1].buf = (u8 *)&recv_buf; + msgs[1].flags = I2C_M_RD; + + ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (ret != ARRAY_SIZE(msgs)) { + dev_err(dev, "Failed to read register, ret = %d\n", ret); + return ret < 0 ? ret : -EIO; + } + + *value = le32_to_cpu(recv_buf); + return 0; +} + +/* get suggested pre_div valuce from mclk frequency */ +static unsigned int get_div_from_mclk(unsigned int mclk) +{ + unsigned int div = 8; + int i; + + for (i = 0; i < ARRAY_SIZE(mclk_pre_div); i++) { + if (mclk <= mclk_pre_div[i].mclk) { + div = mclk_pre_div[i].div; + break; + } + } + return div; +} + +static int cx2072x_config_pll(struct cx2072x_priv *cx2072x) +{ + struct device *dev = cx2072x->dev; + unsigned int pre_div; + unsigned int pre_div_val; + unsigned int pll_input; + unsigned int pll_output; + unsigned int int_div; + unsigned int frac_div; + u64 frac_num; + unsigned int frac; + unsigned int sample_rate = cx2072x->sample_rate; + int pt_sample_per_sync = 2; + int pt_clock_per_sample = 96; + + switch (sample_rate) { + case 48000: + case 32000: + case 24000: + case 16000: + break; + + case 96000: + pt_sample_per_sync = 1; + pt_clock_per_sample = 48; + break; + + case 192000: + pt_sample_per_sync = 0; + pt_clock_per_sample = 24; + break; + + default: + dev_err(dev, "Unsupported sample rate %d\n", sample_rate); + return -EINVAL; + } + + /* Configure PLL settings */ + pre_div = get_div_from_mclk(cx2072x->mclk_rate); + pll_input = cx2072x->mclk_rate / pre_div; + pll_output = sample_rate * 3072; + int_div = pll_output / pll_input; + frac_div = pll_output - (int_div * pll_input); + + if (frac_div) { + frac_div *= 1000; + frac_div /= pll_input; + frac_num = (u64)(4000 + frac_div) * ((1 << 20) - 4); + do_div(frac_num, 7); + frac = ((u32)frac_num + 499) / 1000; + } + pre_div_val = (pre_div - 1) * 2; + + regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST4, + 0x40 | (pre_div_val << 8)); + if (frac_div == 0) { + /* Int mode */ + regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7, 0x100); + } else { + /* frac mode */ + regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST6, + frac & 0xfff); + regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7, + (u8)(frac >> 12)); + } + + int_div--; + regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST8, int_div); + + /* configure PLL tracking */ + if (frac_div == 0) { + /* disable PLL tracking */ + regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16, 0x00); + } else { + /* configure and enable PLL tracking */ + regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16, + (pt_sample_per_sync << 4) & 0xf0); + regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST17, + pt_clock_per_sample); + regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST18, + pt_clock_per_sample * 3 / 2); + regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST19, 0x01); + regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST20, 0x02); + regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_TEST16, + 0x01, 0x01); + } + + return 0; +} + +static int cx2072x_config_i2spcm(struct cx2072x_priv *cx2072x) +{ + struct device *dev = cx2072x->dev; + unsigned int bclk_rate = 0; + int is_i2s = 0; + int has_one_bit_delay = 0; + int is_frame_inv = 0; + int is_bclk_inv = 0; + int pulse_len; + int frame_len = cx2072x->frame_size; + int sample_size = cx2072x->sample_size; + int i2s_right_slot; + int i2s_right_pause_interval = 0; + int i2s_right_pause_pos; + int is_big_endian = 1; + u64 div; + unsigned int mod; + union cx2072x_reg_i2spcm_ctrl_reg1 reg1; + union cx2072x_reg_i2spcm_ctrl_reg2 reg2; + union cx2072x_reg_i2spcm_ctrl_reg3 reg3; + union cx2072x_reg_i2spcm_ctrl_reg4 reg4; + union cx2072x_reg_i2spcm_ctrl_reg5 reg5; + union cx2072x_reg_i2spcm_ctrl_reg6 reg6; + union cx2072x_reg_digital_bios_test2 regdbt2; + const unsigned int fmt = cx2072x->dai_fmt; + + if (frame_len <= 0) { + dev_err(dev, "Incorrect frame len %d\n", frame_len); + return -EINVAL; + } + + if (sample_size <= 0) { + dev_err(dev, "Incorrect sample size %d\n", sample_size); + return -EINVAL; + } + + dev_dbg(dev, "config_i2spcm set_dai_fmt- %08x\n", fmt); + + regdbt2.ulval = 0xac; + + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_CBP_CFP: + reg2.r.tx_master = 1; + reg3.r.rx_master = 1; + break; + + case SND_SOC_DAIFMT_CBC_CFC: + reg2.r.tx_master = 0; + reg3.r.rx_master = 0; + break; + + default: + dev_err(dev, "Unsupported DAI clocking mode\n"); + return -EINVAL; + } + + /* set format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + is_i2s = 1; + has_one_bit_delay = 1; + pulse_len = frame_len / 2; + break; + + case SND_SOC_DAIFMT_RIGHT_J: + is_i2s = 1; + pulse_len = frame_len / 2; + break; + + case SND_SOC_DAIFMT_LEFT_J: + is_i2s = 1; + pulse_len = frame_len / 2; + break; + + default: + dev_err(dev, "Unsupported DAI format\n"); + return -EINVAL; + } + + /* clock inversion */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + is_frame_inv = is_i2s; + is_bclk_inv = is_i2s; + break; + + case SND_SOC_DAIFMT_IB_IF: + is_frame_inv = !is_i2s; + is_bclk_inv = !is_i2s; + break; + + case SND_SOC_DAIFMT_IB_NF: + is_frame_inv = is_i2s; + is_bclk_inv = !is_i2s; + break; + + case SND_SOC_DAIFMT_NB_IF: + is_frame_inv = !is_i2s; + is_bclk_inv = is_i2s; + break; + + default: + dev_err(dev, "Unsupported DAI clock inversion\n"); + return -EINVAL; + } + + reg1.r.rx_data_one_line = 1; + reg1.r.tx_data_one_line = 1; + + if (is_i2s) { + i2s_right_slot = (frame_len / 2) / BITS_PER_SLOT; + i2s_right_pause_interval = (frame_len / 2) % BITS_PER_SLOT; + i2s_right_pause_pos = i2s_right_slot * BITS_PER_SLOT; + } + + reg1.r.rx_ws_pol = is_frame_inv; + reg1.r.rx_ws_wid = pulse_len - 1; + + reg1.r.rx_frm_len = frame_len / BITS_PER_SLOT - 1; + reg1.r.rx_sa_size = (sample_size / BITS_PER_SLOT) - 1; + + reg1.r.tx_ws_pol = reg1.r.rx_ws_pol; + reg1.r.tx_ws_wid = pulse_len - 1; + reg1.r.tx_frm_len = reg1.r.rx_frm_len; + reg1.r.tx_sa_size = reg1.r.rx_sa_size; + + reg2.r.tx_endian_sel = !is_big_endian; + reg2.r.tx_dstart_dly = has_one_bit_delay; + if (cx2072x->en_aec_ref) + reg2.r.tx_dstart_dly = 0; + + reg3.r.rx_endian_sel = !is_big_endian; + reg3.r.rx_dstart_dly = has_one_bit_delay; + + reg4.ulval = 0; + + if (is_i2s) { + reg2.r.tx_slot_1 = 0; + reg2.r.tx_slot_2 = i2s_right_slot; + reg3.r.rx_slot_1 = 0; + if (cx2072x->en_aec_ref) + reg3.r.rx_slot_2 = 0; + else + reg3.r.rx_slot_2 = i2s_right_slot; + reg6.r.rx_pause_start_pos = i2s_right_pause_pos; + reg6.r.rx_pause_cycles = i2s_right_pause_interval; + reg6.r.tx_pause_start_pos = i2s_right_pause_pos; + reg6.r.tx_pause_cycles = i2s_right_pause_interval; + } else { + dev_err(dev, "TDM mode is not implemented yet\n"); + return -EINVAL; + } + regdbt2.r.i2s_bclk_invert = is_bclk_inv; + + /* Configures the BCLK output */ + bclk_rate = cx2072x->sample_rate * frame_len; + reg5.r.i2s_pcm_clk_div_chan_en = 0; + + /* Disables bclk output before setting new value */ + regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, 0); + + if (reg2.r.tx_master) { + /* Configures BCLK rate */ + div = PLL_OUT_HZ_48; + mod = do_div(div, bclk_rate); + if (mod) { + dev_err(dev, "Unsupported BCLK %dHz\n", bclk_rate); + return -EINVAL; + } + dev_dbg(dev, "enables BCLK %dHz output\n", bclk_rate); + reg5.r.i2s_pcm_clk_div = (u32)div - 1; + reg5.r.i2s_pcm_clk_div_chan_en = 1; + } + + regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL1, reg1.ulval); + regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL2, 0xffffffc0, + reg2.ulval); + regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL3, 0xffffffc0, + reg3.ulval); + regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL4, reg4.ulval); + regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL6, reg6.ulval); + regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, reg5.ulval); + + regmap_write(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2, + regdbt2.ulval); + + return 0; +} + +static int afg_power_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm); + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0, + 0x00, 0x10); + break; + + case SND_SOC_DAPM_PRE_PMD: + regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0, + 0x10, 0x10); + break; + } + + return 0; +} + +static const struct snd_kcontrol_new cx2072x_snd_controls[] = { + SOC_DOUBLE_R_TLV("PortD Boost Volume", CX2072X_PORTD_GAIN_LEFT, + CX2072X_PORTD_GAIN_RIGHT, 0, 3, 0, boost_tlv), + SOC_DOUBLE_R_TLV("PortC Boost Volume", CX2072X_PORTC_GAIN_LEFT, + CX2072X_PORTC_GAIN_RIGHT, 0, 3, 0, boost_tlv), + SOC_DOUBLE_R_TLV("PortB Boost Volume", CX2072X_PORTB_GAIN_LEFT, + CX2072X_PORTB_GAIN_RIGHT, 0, 3, 0, boost_tlv), + SOC_DOUBLE_R_TLV("PortD ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_1, + CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0, 0x4a, 0, adc_tlv), + SOC_DOUBLE_R_TLV("PortC ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_2, + CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0, 0x4a, 0, adc_tlv), + SOC_DOUBLE_R_TLV("PortB ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_0, + CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0, 0x4a, 0, adc_tlv), + SOC_DOUBLE_R_TLV("DAC1 Volume", CX2072X_DAC1_AMP_GAIN_LEFT, + CX2072X_DAC1_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv), + SOC_DOUBLE_R("DAC1 Switch", CX2072X_DAC1_AMP_GAIN_LEFT, + CX2072X_DAC1_AMP_GAIN_RIGHT, 7, 1, 0), + SOC_DOUBLE_R_TLV("DAC2 Volume", CX2072X_DAC2_AMP_GAIN_LEFT, + CX2072X_DAC2_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv), + SOC_SINGLE_TLV("HPF Freq", CX2072X_CODEC_TEST9, 0, 0x3f, 0, hpf_tlv), + SOC_DOUBLE("HPF Switch", CX2072X_CODEC_TEST9, 8, 9, 1, 1), + SOC_SINGLE("PortA HP Amp Switch", CX2072X_PORTA_PIN_CTRL, 7, 1, 0), +}; + +static int cx2072x_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *codec = dai->component; + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + struct device *dev = codec->dev; + const unsigned int sample_rate = params_rate(params); + int sample_size, frame_size; + + /* Data sizes if not using TDM */ + sample_size = params_width(params); + + if (sample_size < 0) + return sample_size; + + frame_size = snd_soc_params_to_frame_size(params); + if (frame_size < 0) + return frame_size; + + if (cx2072x->mclk_rate == 0) { + dev_err(dev, "Master clock rate is not configured\n"); + return -EINVAL; + } + + if (cx2072x->bclk_ratio) + frame_size = cx2072x->bclk_ratio; + + switch (sample_rate) { + case 48000: + case 32000: + case 24000: + case 16000: + case 96000: + case 192000: + break; + + default: + dev_err(dev, "Unsupported sample rate %d\n", sample_rate); + return -EINVAL; + } + + dev_dbg(dev, "Sample size %d bits, frame = %d bits, rate = %d Hz\n", + sample_size, frame_size, sample_rate); + + cx2072x->frame_size = frame_size; + cx2072x->sample_size = sample_size; + cx2072x->sample_rate = sample_rate; + + if (dai->id == CX2072X_DAI_DSP) { + cx2072x->en_aec_ref = true; + dev_dbg(cx2072x->dev, "enables aec reference\n"); + regmap_write(cx2072x->regmap, + CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 3); + } + + if (cx2072x->pll_changed) { + cx2072x_config_pll(cx2072x); + cx2072x->pll_changed = false; + } + + if (cx2072x->i2spcm_changed) { + cx2072x_config_i2spcm(cx2072x); + cx2072x->i2spcm_changed = false; + } + + return 0; +} + +static int cx2072x_set_dai_bclk_ratio(struct snd_soc_dai *dai, + unsigned int ratio) +{ + struct snd_soc_component *codec = dai->component; + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + + cx2072x->bclk_ratio = ratio; + return 0; +} + +static int cx2072x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, + unsigned int freq, int dir) +{ + struct snd_soc_component *codec = dai->component; + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + + if (clk_set_rate(cx2072x->mclk, freq)) { + dev_err(codec->dev, "set clk rate failed\n"); + return -EINVAL; + } + + cx2072x->mclk_rate = freq; + return 0; +} + +static int cx2072x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *codec = dai->component; + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + struct device *dev = codec->dev; + + dev_dbg(dev, "set_dai_fmt- %08x\n", fmt); + /* set master/slave */ + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_CBP_CFP: + case SND_SOC_DAIFMT_CBC_CFC: + break; + + default: + dev_err(dev, "Unsupported DAI master mode\n"); + return -EINVAL; + } + + /* set format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + case SND_SOC_DAIFMT_RIGHT_J: + case SND_SOC_DAIFMT_LEFT_J: + break; + + default: + dev_err(dev, "Unsupported DAI format\n"); + return -EINVAL; + } + + /* clock inversion */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + case SND_SOC_DAIFMT_IB_IF: + case SND_SOC_DAIFMT_IB_NF: + case SND_SOC_DAIFMT_NB_IF: + break; + + default: + dev_err(dev, "Unsupported DAI clock inversion\n"); + return -EINVAL; + } + + cx2072x->dai_fmt = fmt; + return 0; +} + +static const struct snd_kcontrol_new portaouten_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_PORTA_PIN_CTRL, 6, 1, 0); + +static const struct snd_kcontrol_new porteouten_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 6, 1, 0); + +static const struct snd_kcontrol_new portgouten_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_PORTG_PIN_CTRL, 6, 1, 0); + +static const struct snd_kcontrol_new portmouten_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_PORTM_PIN_CTRL, 6, 1, 0); + +static const struct snd_kcontrol_new portbinen_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_PORTB_PIN_CTRL, 5, 1, 0); + +static const struct snd_kcontrol_new portcinen_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_PORTC_PIN_CTRL, 5, 1, 0); + +static const struct snd_kcontrol_new portdinen_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_PORTD_PIN_CTRL, 5, 1, 0); + +static const struct snd_kcontrol_new porteinen_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 5, 1, 0); + +static const struct snd_kcontrol_new i2sadc1l_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 0, 1, 0); + +static const struct snd_kcontrol_new i2sadc1r_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 1, 1, 0); + +static const struct snd_kcontrol_new i2sadc2l_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 2, 1, 0); + +static const struct snd_kcontrol_new i2sadc2r_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 3, 1, 0); + +static const struct snd_kcontrol_new i2sdac1l_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 0, 1, 0); + +static const struct snd_kcontrol_new i2sdac1r_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 1, 1, 0); + +static const struct snd_kcontrol_new i2sdac2l_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 2, 1, 0); + +static const struct snd_kcontrol_new i2sdac2r_ctl = + SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 3, 1, 0); + +static const char * const dac_enum_text[] = { + "DAC1 Switch", "DAC2 Switch", +}; + +static const struct soc_enum porta_dac_enum = +SOC_ENUM_SINGLE(CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text); + +static const struct snd_kcontrol_new porta_mux = +SOC_DAPM_ENUM("PortA Mux", porta_dac_enum); + +static const struct soc_enum portg_dac_enum = +SOC_ENUM_SINGLE(CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text); + +static const struct snd_kcontrol_new portg_mux = +SOC_DAPM_ENUM("PortG Mux", portg_dac_enum); + +static const struct soc_enum porte_dac_enum = +SOC_ENUM_SINGLE(CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text); + +static const struct snd_kcontrol_new porte_mux = +SOC_DAPM_ENUM("PortE Mux", porte_dac_enum); + +static const struct soc_enum portm_dac_enum = +SOC_ENUM_SINGLE(CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text); + +static const struct snd_kcontrol_new portm_mux = +SOC_DAPM_ENUM("PortM Mux", portm_dac_enum); + +static const char * const adc1in_sel_text[] = { + "PortB Switch", "PortD Switch", "PortC Switch", "Widget15 Switch", + "PortE Switch", "PortF Switch", "PortH Switch" +}; + +static const struct soc_enum adc1in_sel_enum = +SOC_ENUM_SINGLE(CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0, 7, adc1in_sel_text); + +static const struct snd_kcontrol_new adc1_mux = +SOC_DAPM_ENUM("ADC1 Mux", adc1in_sel_enum); + +static const char * const adc2in_sel_text[] = { + "PortC Switch", "Widget15 Switch", "PortH Switch" +}; + +static const struct soc_enum adc2in_sel_enum = +SOC_ENUM_SINGLE(CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0, 3, adc2in_sel_text); + +static const struct snd_kcontrol_new adc2_mux = +SOC_DAPM_ENUM("ADC2 Mux", adc2in_sel_enum); + +static const struct snd_kcontrol_new wid15_mix[] = { + SOC_DAPM_SINGLE("DAC1L Switch", CX2072X_MIXER_GAIN_LEFT_0, 7, 1, 1), + SOC_DAPM_SINGLE("DAC1R Switch", CX2072X_MIXER_GAIN_RIGHT_0, 7, 1, 1), + SOC_DAPM_SINGLE("DAC2L Switch", CX2072X_MIXER_GAIN_LEFT_1, 7, 1, 1), + SOC_DAPM_SINGLE("DAC2R Switch", CX2072X_MIXER_GAIN_RIGHT_1, 7, 1, 1), +}; + +#define CX2072X_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, wmask, won_val, \ + woff_val, wevent, wflags) \ + {.id = snd_soc_dapm_supply, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \ + .on_val = won_val, .off_val = woff_val, \ + .subseq = wsubseq, .event = wevent, .event_flags = wflags} + +#define CX2072X_DAPM_SWITCH(wname, wreg, wshift, wmask, won_val, woff_val, \ + wevent, wflags) \ + {.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \ + .on_val = won_val, .off_val = woff_val, \ + .event = wevent, .event_flags = wflags} + +#define CX2072X_DAPM_SWITCH(wname, wreg, wshift, wmask, won_val, woff_val, \ + wevent, wflags) \ + {.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \ + .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \ + .on_val = won_val, .off_val = woff_val, \ + .event = wevent, .event_flags = wflags} + +#define CX2072X_DAPM_REG_E(wid, wname, wreg, wshift, wmask, won_val, woff_val, \ + wevent, wflags) \ + {.id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ + .reg = wreg, .shift = wshift, .mask = wmask, \ + .on_val = won_val, .off_val = woff_val, \ + .event = wevent, .event_flags = wflags} + +static const struct snd_soc_dapm_widget cx2072x_dapm_widgets[] = { + /*Playback*/ + SND_SOC_DAPM_AIF_IN("In AIF", "Playback", 0, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_SWITCH("I2S DAC1L", SND_SOC_NOPM, 0, 0, &i2sdac1l_ctl), + SND_SOC_DAPM_SWITCH("I2S DAC1R", SND_SOC_NOPM, 0, 0, &i2sdac1r_ctl), + SND_SOC_DAPM_SWITCH("I2S DAC2L", SND_SOC_NOPM, 0, 0, &i2sdac2l_ctl), + SND_SOC_DAPM_SWITCH("I2S DAC2R", SND_SOC_NOPM, 0, 0, &i2sdac2r_ctl), + + SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC1", CX2072X_DAC1_POWER_STATE, + 0, 0xfff, 0x00, 0x03), + + SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC2", CX2072X_DAC2_POWER_STATE, + 0, 0xfff, 0x00, 0x03), + + SND_SOC_DAPM_MUX("PortA Mux", SND_SOC_NOPM, 0, 0, &porta_mux), + SND_SOC_DAPM_MUX("PortG Mux", SND_SOC_NOPM, 0, 0, &portg_mux), + SND_SOC_DAPM_MUX("PortE Mux", SND_SOC_NOPM, 0, 0, &porte_mux), + SND_SOC_DAPM_MUX("PortM Mux", SND_SOC_NOPM, 0, 0, &portm_mux), + + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortA Power", + CX2072X_PORTA_POWER_STATE, 0, 0xfff, 0x00, 0x03), + + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortM Power", + CX2072X_PORTM_POWER_STATE, 0, 0xfff, 0x00, 0x03), + + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortG Power", + CX2072X_PORTG_POWER_STATE, 0, 0xfff, 0x00, 0x03), + + CX2072X_DAPM_SUPPLY_S("AFG Power", 0, CX2072X_AFG_POWER_STATE, + 0, 0xfff, 0x00, 0x03, afg_power_ev, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + + SND_SOC_DAPM_SWITCH("PortA Out En", SND_SOC_NOPM, 0, 0, + &portaouten_ctl), + SND_SOC_DAPM_SWITCH("PortE Out En", SND_SOC_NOPM, 0, 0, + &porteouten_ctl), + SND_SOC_DAPM_SWITCH("PortG Out En", SND_SOC_NOPM, 0, 0, + &portgouten_ctl), + SND_SOC_DAPM_SWITCH("PortM Out En", SND_SOC_NOPM, 0, 0, + &portmouten_ctl), + + SND_SOC_DAPM_OUTPUT("PORTA"), + SND_SOC_DAPM_OUTPUT("PORTG"), + SND_SOC_DAPM_OUTPUT("PORTE"), + SND_SOC_DAPM_OUTPUT("PORTM"), + SND_SOC_DAPM_OUTPUT("AEC REF"), + + /*Capture*/ + SND_SOC_DAPM_AIF_OUT("Out AIF", "Capture", 0, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_SWITCH("I2S ADC1L", SND_SOC_NOPM, 0, 0, &i2sadc1l_ctl), + SND_SOC_DAPM_SWITCH("I2S ADC1R", SND_SOC_NOPM, 0, 0, &i2sadc1r_ctl), + SND_SOC_DAPM_SWITCH("I2S ADC2L", SND_SOC_NOPM, 0, 0, &i2sadc2l_ctl), + SND_SOC_DAPM_SWITCH("I2S ADC2R", SND_SOC_NOPM, 0, 0, &i2sadc2r_ctl), + + SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC1", CX2072X_ADC1_POWER_STATE, + 0, 0xff, 0x00, 0x03), + SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC2", CX2072X_ADC2_POWER_STATE, + 0, 0xff, 0x00, 0x03), + + SND_SOC_DAPM_MUX("ADC1 Mux", SND_SOC_NOPM, 0, 0, &adc1_mux), + SND_SOC_DAPM_MUX("ADC2 Mux", SND_SOC_NOPM, 0, 0, &adc2_mux), + + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortB Power", + CX2072X_PORTB_POWER_STATE, 0, 0xfff, 0x00, 0x03), + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortC Power", + CX2072X_PORTC_POWER_STATE, 0, 0xfff, 0x00, 0x03), + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortD Power", + CX2072X_PORTD_POWER_STATE, 0, 0xfff, 0x00, 0x03), + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortE Power", + CX2072X_PORTE_POWER_STATE, 0, 0xfff, 0x00, 0x03), + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "Widget15 Power", + CX2072X_MIXER_POWER_STATE, 0, 0xfff, 0x00, 0x03), + + SND_SOC_DAPM_MIXER("Widget15 Mixer", SND_SOC_NOPM, 0, 0, + wid15_mix, ARRAY_SIZE(wid15_mix)), + SND_SOC_DAPM_SWITCH("PortB In En", SND_SOC_NOPM, 0, 0, &portbinen_ctl), + SND_SOC_DAPM_SWITCH("PortC In En", SND_SOC_NOPM, 0, 0, &portcinen_ctl), + SND_SOC_DAPM_SWITCH("PortD In En", SND_SOC_NOPM, 0, 0, &portdinen_ctl), + SND_SOC_DAPM_SWITCH("PortE In En", SND_SOC_NOPM, 0, 0, &porteinen_ctl), + + SND_SOC_DAPM_MICBIAS("Headset Bias", CX2072X_ANALOG_TEST11, 1, 0), + SND_SOC_DAPM_MICBIAS("PortB Mic Bias", CX2072X_PORTB_PIN_CTRL, 2, 0), + SND_SOC_DAPM_MICBIAS("PortD Mic Bias", CX2072X_PORTD_PIN_CTRL, 2, 0), + SND_SOC_DAPM_MICBIAS("PortE Mic Bias", CX2072X_PORTE_PIN_CTRL, 2, 0), + SND_SOC_DAPM_INPUT("PORTB"), + SND_SOC_DAPM_INPUT("PORTC"), + SND_SOC_DAPM_INPUT("PORTD"), + SND_SOC_DAPM_INPUT("PORTEIN"), + +}; + +static const struct snd_soc_dapm_route cx2072x_intercon[] = { + /* Playback */ + {"In AIF", NULL, "AFG Power"}, + {"I2S DAC1L", "Switch", "In AIF"}, + {"I2S DAC1R", "Switch", "In AIF"}, + {"I2S DAC2L", "Switch", "In AIF"}, + {"I2S DAC2R", "Switch", "In AIF"}, + {"DAC1", NULL, "I2S DAC1L"}, + {"DAC1", NULL, "I2S DAC1R"}, + {"DAC2", NULL, "I2S DAC2L"}, + {"DAC2", NULL, "I2S DAC2R"}, + {"PortA Mux", "DAC1 Switch", "DAC1"}, + {"PortA Mux", "DAC2 Switch", "DAC2"}, + {"PortG Mux", "DAC1 Switch", "DAC1"}, + {"PortG Mux", "DAC2 Switch", "DAC2"}, + {"PortE Mux", "DAC1 Switch", "DAC1"}, + {"PortE Mux", "DAC2 Switch", "DAC2"}, + {"PortM Mux", "DAC1 Switch", "DAC1"}, + {"PortM Mux", "DAC2 Switch", "DAC2"}, + {"Widget15 Mixer", "DAC1L Switch", "DAC1"}, + {"Widget15 Mixer", "DAC1R Switch", "DAC2"}, + {"Widget15 Mixer", "DAC2L Switch", "DAC1"}, + {"Widget15 Mixer", "DAC2R Switch", "DAC2"}, + {"Widget15 Mixer", NULL, "Widget15 Power"}, + {"PortA Out En", "Switch", "PortA Mux"}, + {"PortG Out En", "Switch", "PortG Mux"}, + {"PortE Out En", "Switch", "PortE Mux"}, + {"PortM Out En", "Switch", "PortM Mux"}, + {"PortA Mux", NULL, "PortA Power"}, + {"PortG Mux", NULL, "PortG Power"}, + {"PortE Mux", NULL, "PortE Power"}, + {"PortM Mux", NULL, "PortM Power"}, + {"PortA Out En", NULL, "PortA Power"}, + {"PortG Out En", NULL, "PortG Power"}, + {"PortE Out En", NULL, "PortE Power"}, + {"PortM Out En", NULL, "PortM Power"}, + {"PORTA", NULL, "PortA Out En"}, + {"PORTG", NULL, "PortG Out En"}, + {"PORTE", NULL, "PortE Out En"}, + {"PORTM", NULL, "PortM Out En"}, + + /* Capture */ + {"PORTD", NULL, "Headset Bias"}, + {"PortB In En", "Switch", "PORTB"}, + {"PortC In En", "Switch", "PORTC"}, + {"PortD In En", "Switch", "PORTD"}, + {"PortE In En", "Switch", "PORTEIN"}, + {"ADC1 Mux", "PortB Switch", "PortB In En"}, + {"ADC1 Mux", "PortC Switch", "PortC In En"}, + {"ADC1 Mux", "PortD Switch", "PortD In En"}, + {"ADC1 Mux", "PortE Switch", "PortE In En"}, + {"ADC1 Mux", "Widget15 Switch", "Widget15 Mixer"}, + {"ADC2 Mux", "PortC Switch", "PortC In En"}, + {"ADC2 Mux", "Widget15 Switch", "Widget15 Mixer"}, + {"ADC1", NULL, "ADC1 Mux"}, + {"ADC2", NULL, "ADC2 Mux"}, + {"I2S ADC1L", "Switch", "ADC1"}, + {"I2S ADC1R", "Switch", "ADC1"}, + {"I2S ADC2L", "Switch", "ADC2"}, + {"I2S ADC2R", "Switch", "ADC2"}, + {"Out AIF", NULL, "I2S ADC1L"}, + {"Out AIF", NULL, "I2S ADC1R"}, + {"Out AIF", NULL, "I2S ADC2L"}, + {"Out AIF", NULL, "I2S ADC2R"}, + {"Out AIF", NULL, "AFG Power"}, + {"AEC REF", NULL, "Out AIF"}, + {"PortB In En", NULL, "PortB Power"}, + {"PortC In En", NULL, "PortC Power"}, + {"PortD In En", NULL, "PortD Power"}, + {"PortE In En", NULL, "PortE Power"}, +}; + +static int cx2072x_set_bias_level(struct snd_soc_component *codec, + enum snd_soc_bias_level level) +{ + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + const enum snd_soc_bias_level old_level = + snd_soc_component_get_bias_level(codec); + + if (level == SND_SOC_BIAS_STANDBY && old_level == SND_SOC_BIAS_OFF) + regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0); + else if (level == SND_SOC_BIAS_OFF && old_level != SND_SOC_BIAS_OFF) + regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3); + + return 0; +} + +/* + * FIXME: the whole jack detection code below is pretty platform-specific; + * it has lots of implicit assumptions about the pins, etc. + * However, since we have no other code and reference, take this hard-coded + * setup for now. Once when we have different platform implementations, + * this needs to be rewritten in a more generic form, or moving into the + * platform data. + */ +static void cx2072x_enable_jack_detect(struct snd_soc_component *codec) +{ + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec); + + /* No-sticky input type */ + regmap_write(cx2072x->regmap, CX2072X_GPIO_STICKY_MASK, 0x1f); + + /* Use GPOI0 as interrupt pin */ + regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24); + + /* Enables unsolitited message on PortA */ + regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x80); + + /* support both nokia and apple headset set. Monitor time = 275 ms */ + regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST15, 0x73); + + /* Disable TIP detection */ + regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST12, 0x300); + + /* Switch MusicD3Live pin to GPIO */ + regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST1, 0); + + snd_soc_dapm_mutex_lock(dapm); + + snd_soc_dapm_force_enable_pin_unlocked(dapm, "PORTD"); + snd_soc_dapm_force_enable_pin_unlocked(dapm, "Headset Bias"); + snd_soc_dapm_force_enable_pin_unlocked(dapm, "PortD Mic Bias"); + + snd_soc_dapm_mutex_unlock(dapm); +} + +static void cx2072x_disable_jack_detect(struct snd_soc_component *codec) +{ + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + + regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0); + regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0); +} + +static int cx2072x_jack_status_check(void *data) +{ + struct snd_soc_component *codec = data; + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + unsigned int jack; + unsigned int type = 0; + int state = 0; + + mutex_lock(&cx2072x->lock); + + regmap_read(cx2072x->regmap, CX2072X_PORTA_PIN_SENSE, &jack); + jack = jack >> 24; + regmap_read(cx2072x->regmap, CX2072X_DIGITAL_TEST11, &type); + + if (jack == 0x80) { + type = type >> 8; + + if (type & 0x8) { + /* Apple headset */ + state |= SND_JACK_HEADSET; + if (type & 0x2) + state |= SND_JACK_BTN_0; + } else { + /* + * Nokia headset (type & 0x4) and + * regular Headphone + */ + state |= SND_JACK_HEADPHONE; + } + } + + /* clear interrupt */ + regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24); + + mutex_unlock(&cx2072x->lock); + + dev_dbg(codec->dev, "CX2072X_HSDETECT type=0x%X,Jack state = %x\n", + type, state); + return state; +} + +static const struct snd_soc_jack_gpio cx2072x_jack_gpio = { + .name = "headset", + .report = SND_JACK_HEADSET | SND_JACK_BTN_0, + .debounce_time = 150, + .wake = true, + .jack_status_check = cx2072x_jack_status_check, +}; + +static int cx2072x_set_jack(struct snd_soc_component *codec, + struct snd_soc_jack *jack, void *data) +{ + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + int err; + + if (!jack) { + cx2072x_disable_jack_detect(codec); + return 0; + } + + if (!cx2072x->jack_gpio.gpiod_dev) { + cx2072x->jack_gpio = cx2072x_jack_gpio; + cx2072x->jack_gpio.gpiod_dev = codec->dev; + cx2072x->jack_gpio.data = codec; + err = snd_soc_jack_add_gpios(jack, 1, &cx2072x->jack_gpio); + if (err) { + cx2072x->jack_gpio.gpiod_dev = NULL; + return err; + } + } + + cx2072x_enable_jack_detect(codec); + return 0; +} + +static int cx2072x_probe(struct snd_soc_component *codec) +{ + struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); + + cx2072x->codec = codec; + + /* + * FIXME: below is, again, a very platform-specific init sequence, + * but we keep the code here just for simplicity. It seems that all + * existing hardware implementations require this, so there is no very + * much reason to move this out of the codec driver to the platform + * data. + * But of course it's no "right" thing; if you are a good boy, don't + * read and follow the code like this! + */ + pm_runtime_get_sync(codec->dev); + regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0); + + regmap_multi_reg_write(cx2072x->regmap, cx2072x_reg_init, + ARRAY_SIZE(cx2072x_reg_init)); + + /* configure PortC as input device */ + regmap_update_bits(cx2072x->regmap, CX2072X_PORTC_PIN_CTRL, + 0x20, 0x20); + + regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2, + 0x84, 0xff); + + regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3); + pm_runtime_put(codec->dev); + + return 0; +} + +static const struct snd_soc_component_driver soc_codec_driver_cx2072x = { + .probe = cx2072x_probe, + .set_bias_level = cx2072x_set_bias_level, + .set_jack = cx2072x_set_jack, + .controls = cx2072x_snd_controls, + .num_controls = ARRAY_SIZE(cx2072x_snd_controls), + .dapm_widgets = cx2072x_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(cx2072x_dapm_widgets), + .dapm_routes = cx2072x_intercon, + .num_dapm_routes = ARRAY_SIZE(cx2072x_intercon), + .endianness = 1, +}; + +/* + * DAI ops + */ +static const struct snd_soc_dai_ops cx2072x_dai_ops = { + .set_sysclk = cx2072x_set_dai_sysclk, + .set_fmt = cx2072x_set_dai_fmt, + .hw_params = cx2072x_hw_params, + .set_bclk_ratio = cx2072x_set_dai_bclk_ratio, +}; + +static int cx2072x_dsp_dai_probe(struct snd_soc_dai *dai) +{ + struct cx2072x_priv *cx2072x = + snd_soc_component_get_drvdata(dai->component); + + cx2072x->en_aec_ref = true; + return 0; +} + +static const struct snd_soc_dai_ops cx2072x_dai_ops2 = { + .probe = cx2072x_dsp_dai_probe, + .set_sysclk = cx2072x_set_dai_sysclk, + .set_fmt = cx2072x_set_dai_fmt, + .hw_params = cx2072x_hw_params, + .set_bclk_ratio = cx2072x_set_dai_bclk_ratio, +}; + +#define CX2072X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) + +static struct snd_soc_dai_driver soc_codec_cx2072x_dai[] = { + { /* playback and capture */ + .name = "cx2072x-hifi", + .id = CX2072X_DAI_HIFI, + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 2, + .rates = CX2072X_RATES_DSP, + .formats = CX2072X_FORMATS, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = CX2072X_RATES_DSP, + .formats = CX2072X_FORMATS, + }, + .ops = &cx2072x_dai_ops, + .symmetric_rate = 1, + }, + { /* plabayck only, return echo reference to Conexant DSP chip */ + .name = "cx2072x-dsp", + .id = CX2072X_DAI_DSP, + .playback = { + .stream_name = "DSP Playback", + .channels_min = 2, + .channels_max = 2, + .rates = CX2072X_RATES_DSP, + .formats = CX2072X_FORMATS, + }, + .ops = &cx2072x_dai_ops2, + }, + { /* plabayck only, return echo reference through I2S TX */ + .name = "cx2072x-aec", + .id = 3, + .capture = { + .stream_name = "AEC Capture", + .channels_min = 2, + .channels_max = 2, + .rates = CX2072X_RATES_DSP, + .formats = CX2072X_FORMATS, + }, + }, +}; + +static const struct regmap_config cx2072x_regmap = { + .reg_bits = 16, + .val_bits = 32, + .max_register = CX2072X_REG_MAX, + .reg_defaults = cx2072x_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(cx2072x_reg_defaults), + .cache_type = REGCACHE_RBTREE, + .readable_reg = cx2072x_readable_register, + .volatile_reg = cx2072x_volatile_register, + /* Needs custom read/write functions for various register lengths */ + .reg_read = cx2072x_reg_read, + .reg_write = cx2072x_reg_write, +}; + +static int __maybe_unused cx2072x_runtime_suspend(struct device *dev) +{ + struct cx2072x_priv *cx2072x = dev_get_drvdata(dev); + + clk_disable_unprepare(cx2072x->mclk); + return 0; +} + +static int __maybe_unused cx2072x_runtime_resume(struct device *dev) +{ + struct cx2072x_priv *cx2072x = dev_get_drvdata(dev); + + return clk_prepare_enable(cx2072x->mclk); +} + +static int cx2072x_i2c_probe(struct i2c_client *i2c) +{ + struct cx2072x_priv *cx2072x; + unsigned int ven_id, rev_id; + int ret; + + cx2072x = devm_kzalloc(&i2c->dev, sizeof(struct cx2072x_priv), + GFP_KERNEL); + if (!cx2072x) + return -ENOMEM; + + cx2072x->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, + &cx2072x_regmap); + if (IS_ERR(cx2072x->regmap)) + return PTR_ERR(cx2072x->regmap); + + mutex_init(&cx2072x->lock); + + i2c_set_clientdata(i2c, cx2072x); + + cx2072x->dev = &i2c->dev; + cx2072x->pll_changed = true; + cx2072x->i2spcm_changed = true; + cx2072x->bclk_ratio = 0; + + cx2072x->mclk = devm_clk_get(cx2072x->dev, "mclk"); + if (IS_ERR(cx2072x->mclk)) { + dev_err(cx2072x->dev, "Failed to get MCLK\n"); + return PTR_ERR(cx2072x->mclk); + } + + regmap_read(cx2072x->regmap, CX2072X_VENDOR_ID, &ven_id); + regmap_read(cx2072x->regmap, CX2072X_REVISION_ID, &rev_id); + + dev_info(cx2072x->dev, "codec version: %08x,%08x\n", ven_id, rev_id); + + ret = devm_snd_soc_register_component(cx2072x->dev, + &soc_codec_driver_cx2072x, + soc_codec_cx2072x_dai, + ARRAY_SIZE(soc_codec_cx2072x_dai)); + if (ret < 0) + return ret; + + pm_runtime_use_autosuspend(cx2072x->dev); + pm_runtime_enable(cx2072x->dev); + + return 0; +} + +static void cx2072x_i2c_remove(struct i2c_client *i2c) +{ + pm_runtime_disable(&i2c->dev); +} + +static const struct i2c_device_id cx2072x_i2c_id[] = { + { "cx20721", 0 }, + { "cx20723", 0 }, + {} +}; +MODULE_DEVICE_TABLE(i2c, cx2072x_i2c_id); + +#ifdef CONFIG_ACPI +static struct acpi_device_id cx2072x_acpi_match[] = { + { "14F10720", 0 }, + {}, +}; +MODULE_DEVICE_TABLE(acpi, cx2072x_acpi_match); +#endif + +static const struct dev_pm_ops cx2072x_runtime_pm = { + SET_RUNTIME_PM_OPS(cx2072x_runtime_suspend, cx2072x_runtime_resume, + NULL) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) +}; + +static struct i2c_driver cx2072x_i2c_driver = { + .driver = { + .name = "cx2072x", + .acpi_match_table = ACPI_PTR(cx2072x_acpi_match), + .pm = &cx2072x_runtime_pm, + }, + .probe = cx2072x_i2c_probe, + .remove = cx2072x_i2c_remove, + .id_table = cx2072x_i2c_id, +}; + +module_i2c_driver(cx2072x_i2c_driver); + +MODULE_DESCRIPTION("ASoC cx2072x Codec Driver"); +MODULE_AUTHOR("Simon Ho <simon.ho@conexant.com>"); +MODULE_LICENSE("GPL"); |