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linux/sound/soc/codecs/cx2072x.h
Simon Ho a497a43637
ASoC: Add support for Conexant CX2072X CODEC 
Initial commit of the Conexant CX2072X CODEC driver. Some features are
not present.

The CX2072X is a ultra low power stereo audio codec supports I2S/TDM
host interface with EQ, DRC features in playback mode.

Featues of CX2072X codec:

 * Two 24 bits DACs and DACs.
 * Stereo Headphone AMP.
 * 2.8W per channel class-D output.
 * Integrated seven bands per channel EQ and DRC.
 * Fully integrated headset support with detect/switch.
 * Stereo digital microphone for array applications.
 * S/PDIF output.
 * Bi-directional GPIOs.
 * Support analog and digital PC Beeep.
 * One headset button support.
 * Supports a wide variety of host interfaces.
   -wide variety of I2S and similar bit-stream formats
    with word lengths of up to 24 bits.
   -TDM stream supports up to 4 channels.
 * AEC loopback support.

Further fixes by tiwai:
 * Rebase to 5.2+
 * Missing DAPM entry definitions
 * Missing power hooks
 * Fix uninitialized variable warning
 * Rewrite jack detection stuff to use set_jack callback
 * Plumbing jack detection code for Intel ASoC
 * Move clk management into runtime PM
 * Drop incorrect regcache usages
 * Drop untested stuff: OF table, EQ/DRC handling
 * Lots of code cleanups and minor refactoring

The OF code was dropped due to the lack of testability.
It should be easy to re-add once if someone can test it.

v1->v2: No change
v2->v3: Move register tables to appropriate place
	Remove some confusing codes
	Set snd_ctl_boolean_* helpers directly
	Fix EQ put callback
	Rename to "DAC1 Switch" from "DAC1 Mute Switch"
	Drop superfluous regmap calls at shutdown
	Avoid regmap_register_patch()
	Add missing register definitions
	Fix register access on big-endian machine
	Remove regcache messes
v3->v4: Fix the wrong endianess conversion in reg write
	Minor code cleanups
v4->v5: Move clk management to runtime PM
	Sparse warning fixes
	Some more code simplification
	Drop tricky regcache fiddling
	Apply mutex locks around possible racy sequences
	Move exported jack detection stuff into set_jack callback
v5->v6: Drop buggy&untested EQ and DRC codes
	Lots of code reduction/cleanup
	Add more comments about platform-specific stuff

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=115531
Signed-off-by: Simon Ho <simon.ho@conexant.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-05-22 13:18:51 +01:00

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/* 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>
*/
#ifndef __CX2072X_H__
#define __CX2072X_H__
#define CX2072X_MCLK_PLL 1
#define CX2072X_MCLK_EXTERNAL_PLL 1
#define CX2072X_MCLK_INTERNAL_OSC 2
/*#define CX2072X_RATES SNDRV_PCM_RATE_8000_192000*/
#define CX2072X_RATES_DSP SNDRV_PCM_RATE_48000
#define CX2072X_REG_MAX 0x8a3c
#define CX2072X_VENDOR_ID 0x0200
#define CX2072X_REVISION_ID 0x0208
#define CX2072X_CURRENT_BCLK_FREQUENCY 0x00dc
#define CX2072X_AFG_POWER_STATE 0x0414
#define CX2072X_UM_RESPONSE 0x0420
#define CX2072X_GPIO_DATA 0x0454
#define CX2072X_GPIO_ENABLE 0x0458
#define CX2072X_GPIO_DIRECTION 0x045c
#define CX2072X_GPIO_WAKE 0x0460
#define CX2072X_GPIO_UM_ENABLE 0x0464
#define CX2072X_GPIO_STICKY_MASK 0x0468
#define CX2072X_AFG_FUNCTION_RESET 0x07fc
#define CX2072X_DAC1_CONVERTER_FORMAT 0x43c8
#define CX2072X_DAC1_AMP_GAIN_RIGHT 0x41c0
#define CX2072X_DAC1_AMP_GAIN_LEFT 0x41e0
#define CX2072X_DAC1_POWER_STATE 0x4014
#define CX2072X_DAC1_CONVERTER_STREAM_CHANNEL 0x4018
#define CX2072X_DAC1_EAPD_ENABLE 0x4030
#define CX2072X_DAC2_CONVERTER_FORMAT 0x47c8
#define CX2072X_DAC2_AMP_GAIN_RIGHT 0x45c0
#define CX2072X_DAC2_AMP_GAIN_LEFT 0x45e0
#define CX2072X_DAC2_POWER_STATE 0x4414
#define CX2072X_DAC2_CONVERTER_STREAM_CHANNEL 0x4418
#define CX2072X_ADC1_CONVERTER_FORMAT 0x4fc8
#define CX2072X_ADC1_AMP_GAIN_RIGHT_0 0x4d80
#define CX2072X_ADC1_AMP_GAIN_LEFT_0 0x4da0
#define CX2072X_ADC1_AMP_GAIN_RIGHT_1 0x4d84
#define CX2072X_ADC1_AMP_GAIN_LEFT_1 0x4da4
#define CX2072X_ADC1_AMP_GAIN_RIGHT_2 0x4d88
#define CX2072X_ADC1_AMP_GAIN_LEFT_2 0x4da8
#define CX2072X_ADC1_AMP_GAIN_RIGHT_3 0x4d8c
#define CX2072X_ADC1_AMP_GAIN_LEFT_3 0x4dac
#define CX2072X_ADC1_AMP_GAIN_RIGHT_4 0x4d90
#define CX2072X_ADC1_AMP_GAIN_LEFT_4 0x4db0
#define CX2072X_ADC1_AMP_GAIN_RIGHT_5 0x4d94
#define CX2072X_ADC1_AMP_GAIN_LEFT_5 0x4db4
#define CX2072X_ADC1_AMP_GAIN_RIGHT_6 0x4d98
#define CX2072X_ADC1_AMP_GAIN_LEFT_6 0x4db8
#define CX2072X_ADC1_CONNECTION_SELECT_CONTROL 0x4c04
#define CX2072X_ADC1_POWER_STATE 0x4c14
#define CX2072X_ADC1_CONVERTER_STREAM_CHANNEL 0x4c18
#define CX2072X_ADC2_CONVERTER_FORMAT 0x53c8
#define CX2072X_ADC2_AMP_GAIN_RIGHT_0 0x5180
#define CX2072X_ADC2_AMP_GAIN_LEFT_0 0x51a0
#define CX2072X_ADC2_AMP_GAIN_RIGHT_1 0x5184
#define CX2072X_ADC2_AMP_GAIN_LEFT_1 0x51a4
#define CX2072X_ADC2_AMP_GAIN_RIGHT_2 0x5188
#define CX2072X_ADC2_AMP_GAIN_LEFT_2 0x51a8
#define CX2072X_ADC2_CONNECTION_SELECT_CONTROL 0x5004
#define CX2072X_ADC2_POWER_STATE 0x5014
#define CX2072X_ADC2_CONVERTER_STREAM_CHANNEL 0x5018
#define CX2072X_PORTA_CONNECTION_SELECT_CTRL 0x5804
#define CX2072X_PORTA_POWER_STATE 0x5814
#define CX2072X_PORTA_PIN_CTRL 0x581c
#define CX2072X_PORTA_UNSOLICITED_RESPONSE 0x5820
#define CX2072X_PORTA_PIN_SENSE 0x5824
#define CX2072X_PORTA_EAPD_BTL 0x5830
#define CX2072X_PORTB_POWER_STATE 0x6014
#define CX2072X_PORTB_PIN_CTRL 0x601c
#define CX2072X_PORTB_UNSOLICITED_RESPONSE 0x6020
#define CX2072X_PORTB_PIN_SENSE 0x6024
#define CX2072X_PORTB_EAPD_BTL 0x6030
#define CX2072X_PORTB_GAIN_RIGHT 0x6180
#define CX2072X_PORTB_GAIN_LEFT 0x61a0
#define CX2072X_PORTC_POWER_STATE 0x6814
#define CX2072X_PORTC_PIN_CTRL 0x681c
#define CX2072X_PORTC_GAIN_RIGHT 0x6980
#define CX2072X_PORTC_GAIN_LEFT 0x69a0
#define CX2072X_PORTD_POWER_STATE 0x6414
#define CX2072X_PORTD_PIN_CTRL 0x641c
#define CX2072X_PORTD_UNSOLICITED_RESPONSE 0x6420
#define CX2072X_PORTD_PIN_SENSE 0x6424
#define CX2072X_PORTD_GAIN_RIGHT 0x6580
#define CX2072X_PORTD_GAIN_LEFT 0x65a0
#define CX2072X_PORTE_CONNECTION_SELECT_CTRL 0x7404
#define CX2072X_PORTE_POWER_STATE 0x7414
#define CX2072X_PORTE_PIN_CTRL 0x741c
#define CX2072X_PORTE_UNSOLICITED_RESPONSE 0x7420
#define CX2072X_PORTE_PIN_SENSE 0x7424
#define CX2072X_PORTE_EAPD_BTL 0x7430
#define CX2072X_PORTE_GAIN_RIGHT 0x7580
#define CX2072X_PORTE_GAIN_LEFT 0x75a0
#define CX2072X_PORTF_POWER_STATE 0x7814
#define CX2072X_PORTF_PIN_CTRL 0x781c
#define CX2072X_PORTF_UNSOLICITED_RESPONSE 0x7820
#define CX2072X_PORTF_PIN_SENSE 0x7824
#define CX2072X_PORTF_GAIN_RIGHT 0x7980
#define CX2072X_PORTF_GAIN_LEFT 0x79a0
#define CX2072X_PORTG_POWER_STATE 0x5c14
#define CX2072X_PORTG_PIN_CTRL 0x5c1c
#define CX2072X_PORTG_CONNECTION_SELECT_CTRL 0x5c04
#define CX2072X_PORTG_EAPD_BTL 0x5c30
#define CX2072X_PORTM_POWER_STATE 0x8814
#define CX2072X_PORTM_PIN_CTRL 0x881c
#define CX2072X_PORTM_CONNECTION_SELECT_CTRL 0x8804
#define CX2072X_PORTM_EAPD_BTL 0x8830
#define CX2072X_MIXER_POWER_STATE 0x5414
#define CX2072X_MIXER_GAIN_RIGHT_0 0x5580
#define CX2072X_MIXER_GAIN_LEFT_0 0x55a0
#define CX2072X_MIXER_GAIN_RIGHT_1 0x5584
#define CX2072X_MIXER_GAIN_LEFT_1 0x55a4
#define CX2072X_EQ_ENABLE_BYPASS 0x6d00
#define CX2072X_EQ_B0_COEFF 0x6d02
#define CX2072X_EQ_B1_COEFF 0x6d04
#define CX2072X_EQ_B2_COEFF 0x6d06
#define CX2072X_EQ_A1_COEFF 0x6d08
#define CX2072X_EQ_A2_COEFF 0x6d0a
#define CX2072X_EQ_G_COEFF 0x6d0c
#define CX2072X_EQ_BAND 0x6d0d
#define CX2072X_SPKR_DRC_ENABLE_STEP 0x6d10
#define CX2072X_SPKR_DRC_CONTROL 0x6d14
#define CX2072X_SPKR_DRC_TEST 0x6d18
#define CX2072X_DIGITAL_BIOS_TEST0 0x6d80
#define CX2072X_DIGITAL_BIOS_TEST2 0x6d84
#define CX2072X_I2SPCM_CONTROL1 0x6e00
#define CX2072X_I2SPCM_CONTROL2 0x6e04
#define CX2072X_I2SPCM_CONTROL3 0x6e08
#define CX2072X_I2SPCM_CONTROL4 0x6e0c
#define CX2072X_I2SPCM_CONTROL5 0x6e10
#define CX2072X_I2SPCM_CONTROL6 0x6e18
#define CX2072X_UM_INTERRUPT_CRTL_E 0x6e14
#define CX2072X_CODEC_TEST2 0x7108
#define CX2072X_CODEC_TEST9 0x7124
#define CX2072X_CODEC_TESTXX 0x7290
#define CX2072X_CODEC_TEST20 0x7310
#define CX2072X_CODEC_TEST24 0x731c
#define CX2072X_CODEC_TEST26 0x7328
#define CX2072X_ANALOG_TEST3 0x718c
#define CX2072X_ANALOG_TEST4 0x7190
#define CX2072X_ANALOG_TEST5 0x7194
#define CX2072X_ANALOG_TEST6 0x7198
#define CX2072X_ANALOG_TEST7 0x719c
#define CX2072X_ANALOG_TEST8 0x71a0
#define CX2072X_ANALOG_TEST9 0x71a4
#define CX2072X_ANALOG_TEST10 0x71a8
#define CX2072X_ANALOG_TEST11 0x71ac
#define CX2072X_ANALOG_TEST12 0x71b0
#define CX2072X_ANALOG_TEST13 0x71b4
#define CX2072X_DIGITAL_TEST0 0x7200
#define CX2072X_DIGITAL_TEST1 0x7204
#define CX2072X_DIGITAL_TEST11 0x722c
#define CX2072X_DIGITAL_TEST12 0x7230
#define CX2072X_DIGITAL_TEST15 0x723c
#define CX2072X_DIGITAL_TEST16 0x7080
#define CX2072X_DIGITAL_TEST17 0x7084
#define CX2072X_DIGITAL_TEST18 0x7088
#define CX2072X_DIGITAL_TEST19 0x708c
#define CX2072X_DIGITAL_TEST20 0x7090
/* not used in the current code, for future extensions (if any) */
#define CX2072X_MAX_EQ_BAND 7
#define CX2072X_MAX_EQ_COEFF 11
#define CX2072X_MAX_DRC_REGS 9
#define CX2072X_MIC_EQ_COEFF 10
#define CX2072X_PLBK_EQ_BAND_NUM 7
#define CX2072X_PLBK_EQ_COEF_LEN 11
#define CX2072X_PLBK_DRC_PARM_LEN 9
#define CX2072X_CLASSD_AMP_LEN 6
/* DAI interfae type */
#define CX2072X_DAI_HIFI 1
#define CX2072X_DAI_DSP 2
#define CX2072X_DAI_DSP_PWM 3 /* 4 ch, including mic and AEC */
enum cx2072x_reg_sample_size {
CX2072X_SAMPLE_SIZE_8_BITS = 0,
CX2072X_SAMPLE_SIZE_16_BITS = 1,
CX2072X_SAMPLE_SIZE_24_BITS = 2,
CX2072X_SAMPLE_SIZE_RESERVED = 3,
};
union cx2072x_reg_i2spcm_ctrl_reg1 {
struct {
u32 rx_data_one_line:1;
u32 rx_ws_pol:1;
u32 rx_ws_wid:7;
u32 rx_frm_len:5;
u32 rx_sa_size:2;
u32 tx_data_one_line:1;
u32 tx_ws_pol:1;
u32 tx_ws_wid:7;
u32 tx_frm_len:5;
u32 tx_sa_size:2;
} r;
u32 ulval;
};
union cx2072x_reg_i2spcm_ctrl_reg2 {
struct {
u32 tx_en_ch1:1;
u32 tx_en_ch2:1;
u32 tx_en_ch3:1;
u32 tx_en_ch4:1;
u32 tx_en_ch5:1;
u32 tx_en_ch6:1;
u32 tx_slot_1:5;
u32 tx_slot_2:5;
u32 tx_slot_3:5;
u32 tx_slot_4:5;
u32 res:1;
u32 tx_data_neg_bclk:1;
u32 tx_master:1;
u32 tx_tri_n:1;
u32 tx_endian_sel:1;
u32 tx_dstart_dly:1;
} r;
u32 ulval;
};
union cx2072x_reg_i2spcm_ctrl_reg3 {
struct {
u32 rx_en_ch1:1;
u32 rx_en_ch2:1;
u32 rx_en_ch3:1;
u32 rx_en_ch4:1;
u32 rx_en_ch5:1;
u32 rx_en_ch6:1;
u32 rx_slot_1:5;
u32 rx_slot_2:5;
u32 rx_slot_3:5;
u32 rx_slot_4:5;
u32 res:1;
u32 rx_data_neg_bclk:1;
u32 rx_master:1;
u32 rx_tri_n:1;
u32 rx_endian_sel:1;
u32 rx_dstart_dly:1;
} r;
u32 ulval;
};
union cx2072x_reg_i2spcm_ctrl_reg4 {
struct {
u32 rx_mute:1;
u32 tx_mute:1;
u32 reserved:1;
u32 dac_34_independent:1;
u32 dac_bclk_lrck_share:1;
u32 bclk_lrck_share_en:1;
u32 reserved2:2;
u32 rx_last_dac_ch_en:1;
u32 rx_last_dac_ch:3;
u32 tx_last_adc_ch_en:1;
u32 tx_last_adc_ch:3;
u32 rx_slot_5:5;
u32 rx_slot_6:5;
u32 reserved3:6;
} r;
u32 ulval;
};
union cx2072x_reg_i2spcm_ctrl_reg5 {
struct {
u32 tx_slot_5:5;
u32 reserved:3;
u32 tx_slot_6:5;
u32 reserved2:3;
u32 reserved3:8;
u32 i2s_pcm_clk_div:7;
u32 i2s_pcm_clk_div_chan_en:1;
} r;
u32 ulval;
};
union cx2072x_reg_i2spcm_ctrl_reg6 {
struct {
u32 reserved:5;
u32 rx_pause_cycles:3;
u32 rx_pause_start_pos:8;
u32 reserved2:5;
u32 tx_pause_cycles:3;
u32 tx_pause_start_pos:8;
} r;
u32 ulval;
};
union cx2072x_reg_digital_bios_test2 {
struct {
u32 pull_down_eapd:2;
u32 input_en_eapd_pad:1;
u32 push_pull_mode:1;
u32 eapd_pad_output_driver:2;
u32 pll_source:1;
u32 i2s_bclk_en:1;
u32 i2s_bclk_invert:1;
u32 pll_ref_clock:1;
u32 class_d_shield_clk:1;
u32 audio_pll_bypass_mode:1;
u32 reserved:4;
} r;
u32 ulval;
};
#endif /* __CX2072X_H__ */
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