/*
* ALSA SoC TLV320AIC3X codec driver
*
* Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _AIC3X_H
#define _AIC3X_H
/* AIC3X register space */
#define AIC3X_CACHEREGNUM 103
/* Page select register */
#define AIC3X_PAGE_SELECT 0
/* Software reset register */
#define AIC3X_RESET 1
/* Codec Sample rate select register */
#define AIC3X_SAMPLE_RATE_SEL_REG 2
/* PLL progrramming register A */
#define AIC3X_PLL_PROGA_REG 3
/* PLL progrramming register B */
#define AIC3X_PLL_PROGB_REG 4
/* PLL progrramming register C */
#define AIC3X_PLL_PROGC_REG 5
/* PLL progrramming register D */
#define AIC3X_PLL_PROGD_REG 6
/* Codec datapath setup register */
#define AIC3X_CODEC_DATAPATH_REG 7
/* Audio serial data interface control register A */
#define AIC3X_ASD_INTF_CTRLA 8
/* Audio serial data interface control register B */
#define AIC3X_ASD_INTF_CTRLB 9
/* Audio overflow status and PLL R value programming register */
#define AIC3X_OVRF_STATUS_AND_PLLR_REG 11
/* Audio codec digital filter control register */
#define AIC3X_CODEC_DFILT_CTRL 12
/* Headset/button press detection register */
#define AIC3X_HEADSET_DETECT_CTRL_A 13
#define AIC3X_HEADSET_DETECT_CTRL_B 14
/* ADC PGA Gain control registers */
#define LADC_VOL 15
#define RADC_VOL 16
/* MIC3 control registers */
#define MIC3LR_2_LADC_CTRL 17
#define MIC3LR_2_RADC_CTRL 18
/* Line1 Input control registers */
#define LINE1L_2_LADC_CTRL 19
#define LINE1R_2_LADC_CTRL 21
#define LINE1R_2_RADC_CTRL 22
#define LINE1L_2_RADC_CTRL 24
/* Line2 Input control registers */
#define LINE2L_2_LADC_CTRL 20
#define LINE2R_2_RADC_CTRL 23
/* MICBIAS Control Register */
#define MICBIAS_CTRL 25
/* AGC Control Registers A, B, C */
#define LAGC_CTRL_A 26
#define LAGC_CTRL_B 27
#define LAGC_CTRL_C 28
#define RAGC_CTRL_A 29
#define RAGC_CTRL_B 30
#define RAGC_CTRL_C 31
/* DAC Power and Left High Power Output control registers */
#define DAC_PWR 37
#define HPLCOM_CFG 37
/* Right High Power Output control registers */
#define HPRCOM_CFG 38
/* DAC Output Switching control registers */
#define DAC_LINE_MUX 41
/* High Power Output Driver Pop Reduction registers */
#define HPOUT_POP_REDUCTION 42
/* DAC Digital control registers */
#define LDAC_VOL 43
#define RDAC_VOL 44
/* High Power Output control registers */
#define LINE2L_2_HPLOUT_VOL 45
#define LINE2R_2_HPROUT_VOL 62
#define PGAL_2_HPLOUT_VOL 46
#define PGAL_2_HPROUT_VOL 60
#define PGAR_2_HPLOUT_VOL 49
#define PGAR_2_HPROUT_VOL 63
#define DACL1_2_HPLOUT_VOL 47
#define DACR1_2_HPROUT_VOL 64
#define HPLOUT_CTRL 51
#define HPROUT_CTRL 65
/* High Power COM control registers */
#define LINE2L_2_HPLCOM_VOL 52
#define LINE2R_2_HPRCOM_VOL 69
#define PGAL_2_HPLCOM_VOL 53
#define PGAR_2_HPLCOM_VOL 56
#define PGAL_2_HPRCOM_VOL 67
#define PGAR_2_HPRCOM_VOL 70
#define DACL1_2_HPLCOM_VOL 54
#define DACR1_2_HPRCOM_VOL 71
#define HPLCOM_CTRL 58
#define HPRCOM_CTRL 72
/* Mono Line Output Plus/Minus control registers */
#define LINE2L_2_MONOLOPM_VOL 73
#define LINE2R_2_MONOLOPM_VOL 76
#define PGAL_2_MONOLOPM_VOL 74
#define PGAR_2_MONOLOPM_VOL 77
#define DACL1_2_MONOLOPM_VOL 75
#define DACR1_2_MONOLOPM_VOL 78
#define MONOLOPM_CTRL 79
/* Line Output Plus/Minus control registers */
#define LINE2L_2_LLOPM_VOL 80
#define LINE2L_2_RLOPM_VOL 87
#define LINE2R_2_LLOPM_VOL 83
#define LINE2R_2_RLOPM_VOL 90
#define PGAL_2_LLOPM_VOL 81
#define PGAL_2_RLOPM_VOL 88
#define PGAR_2_LLOPM_VOL 84
#define PGAR_2_RLOPM_VOL 91
#define DACL1_2_LLOPM_VOL 82
#define DACL1_2_RLOPM_VOL 89
#define DACR1_2_RLOPM_VOL 92
#define DACR1_2_LLOPM_VOL 85
#define LLOPM_CTRL 86
#define RLOPM_CTRL 93
/* GPIO/IRQ registers */
#define AIC3X_STICKY_IRQ_FLAGS_REG 96
#define AIC3X_RT_IRQ_FLAGS_REG 97
#define AIC3X_GPIO1_REG 98
#define AIC3X_GPIO2_REG 99
#define AIC3X_GPIOA_REG 100
#define AIC3X_GPIOB_REG 101
/* Clock generation control register */
#define AIC3X_CLKGEN_CTRL_REG 102
/* Page select register bits */
#define PAGE0_SELECT 0
#define PAGE1_SELECT 1
/* Audio serial data interface control register A bits */
#define BIT_CLK_MASTER 0x80
#define WORD_CLK_MASTER 0x40
/* Codec Datapath setup register 7 */
#define FSREF_44100 (1 << 7)
#define FSREF_48000 (0 << 7)
#define DUAL_RATE_MODE ((1 << 5) | (1 << 6))
#define LDAC2LCH (0x1 << 3)
#define RDAC2RCH (0x1 << 1)
/* PLL registers bitfields */
#define PLLP_SHIFT 0
#define PLLQ_SHIFT 3
#define PLLR_SHIFT 0
#define PLLJ_SHIFT 2
#define PLLD_MSB_SHIFT 0
#define PLLD_LSB_SHIFT 2
/* Clock generation register bits */
#define CODEC_CLKIN_PLLDIV 0
#define CODEC_CLKIN_CLKDIV 1
#define PLL_CLKIN_SHIFT 4
#define MCLK_SOURCE 0x0
#define PLL_CLKDIV_SHIFT 0
/* Software reset register bits */
#define SOFT_RESET 0x80
/* PLL progrramming register A bits */
#define PLL_ENABLE 0x80
/* Route bits */
#define ROUTE_ON 0x80
/* Mute bits */
#define UNMUTE 0x08
#define MUTE_ON 0x80
/* Power bits */
#define LADC_PWR_ON 0x04
#define RADC_PWR_ON 0x04
#define LDAC_PWR_ON 0x80
#define RDAC_PWR_ON 0x40
#define HPLOUT_PWR_ON 0x01
#define HPROUT_PWR_ON 0x01
#define HPLCOM_PWR_ON 0x01
#define HPRCOM_PWR_ON 0x01
#define MONOLOPM_PWR_ON 0x01
#define LLOPM_PWR_ON 0x01
#define RLOPM_PWR_ON 0x01
#define INVERT_VOL(val) (0x7f - val)
/* Default output volume (inverted) */
#define DEFAULT_VOL INVERT_VOL(0x50)
/* Default input volume */
#define DEFAULT_GAIN 0x20
/* GPIO API */
enum {
AIC3X_GPIO1_FUNC_DISABLED = 0,
AIC3X_GPIO1_FUNC_AUDIO_WORDCLK_ADC = 1,
AIC3X_GPIO1_FUNC_CLOCK_MUX = 2,
AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV2 = 3,
AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV4 = 4,
AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV8 = 5,
AIC3X_GPIO1_FUNC_SHORT_CIRCUIT_IRQ = 6,
AIC3X_GPIO1_FUNC_AGC_NOISE_IRQ = 7,
AIC3X_GPIO1_FUNC_INPUT = 8,
AIC3X_GPIO1_FUNC_OUTPUT = 9,
AIC3X_GPIO1_FUNC_DIGITAL_MIC_MODCLK = 10,
AIC3X_GPIO1_FUNC_AUDIO_WORDCLK = 11,
AIC3X_GPIO1_FUNC_BUTTON_IRQ = 12,
AIC3X_GPIO1_FUNC_HEADSET_DETECT_IRQ = 13,
AIC3X_GPIO1_FUNC_HEADSET_DETECT_OR_BUTTON_IRQ = 14,
AIC3X_GPIO1_FUNC_ALL_IRQ = 16
};
enum {
AIC3X_GPIO2_FUNC_DISABLED = 0,
AIC3X_GPIO2_FUNC_HEADSET_DETECT_IRQ = 2,
AIC3X_GPIO2_FUNC_INPUT = 3,
AIC3X_GPIO2_FUNC_OUTPUT = 4,
AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT = 5,
AIC3X_GPIO2_FUNC_AUDIO_BITCLK = 8,
AIC3X_GPIO2_FUNC_HEADSET_DETECT_OR_BUTTON_IRQ = 9,
AIC3X_GPIO2_FUNC_ALL_IRQ = 10,
AIC3X_GPIO2_FUNC_SHORT_CIRCUIT_OR_AGC_IRQ = 11,
AIC3X_GPIO2_FUNC_HEADSET_OR_BUTTON_PRESS_OR_SHORT_CIRCUIT_IRQ = 12,
AIC3X_GPIO2_FUNC_SHORT_CIRCUIT_IRQ = 13,
AIC3X_GPIO2_FUNC_AGC_NOISE_IRQ = 14,
AIC3X_GPIO2_FUNC_BUTTON_PRESS_IRQ = 15
};
void aic3x_set_gpio(struct snd_soc_codec *codec, int gpio, int state);
int aic3x_get_gpio(struct snd_soc_codec *codec, int gpio);
/* headset detection / button API */
/* The AIC3x supports detection of stereo headsets (GND + left + right signal)
* and cellular headsets (GND + speaker output + microphone input).
* It is recommended to enable MIC bias for this function to work properly.
* For more information, please refer to the datasheet. */
enum {
AIC3X_HEADSET_DETECT_OFF = 0,
AIC3X_HEADSET_DETECT_STEREO = 1,
AIC3X_HEADSET_DETECT_CELLULAR = 2,
AIC3X_HEADSET_DETECT_BOTH = 3
};
enum {
AIC3X_HEADSET_DEBOUNCE_16MS = 0,
AIC3X_HEADSET_DEBOUNCE_32MS = 1,
AIC3X_HEADSET_DEBOUNCE_64MS = 2,
AIC3X_HEADSET_DEBOUNCE_128MS = 3,
AIC3X_HEADSET_DEBOUNCE_256MS = 4,
AIC3X_HEADSET_DEBOUNCE_512MS = 5
};
enum {
AIC3X_BUTTON_DEBOUNCE_0MS = 0,
AIC3X_BUTTON_DEBOUNCE_8MS = 1,
AIC3X_BUTTON_DEBOUNCE_16MS = 2,
AIC3X_BUTTON_DEBOUNCE_32MS = 3
};
#define AIC3X_HEADSET_DETECT_ENABLED 0x80
#define AIC3X_HEADSET_DETECT_SHIFT 5
#define AIC3X_HEADSET_DETECT_MASK 3
#define AIC3X_HEADSET_DEBOUNCE_SHIFT 2
#define AIC3X_HEADSET_DEBOUNCE_MASK 7
#define AIC3X_BUTTON_DEBOUNCE_SHIFT 0
#define AIC3X_BUTTON_DEBOUNCE_MASK 3
/* see the enums above for valid parameters to this function */
void aic3x_set_headset_detection(struct snd_soc_codec *codec, int detect,
int headset_debounce, int button_debounce);
int aic3x_headset_detected(struct snd_soc_codec *codec);
int aic3x_button_pressed(struct snd_soc_codec *codec);
struct aic3x_setup_data {
int i2c_bus;
unsigned short i2c_address;
unsigned int gpio_func[2];
};
extern struct snd_soc_dai aic3x_dai;
extern struct snd_soc_codec_device soc_codec_dev_aic3x;
#endif /* _AIC3X_H */
