/* * 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 serial data interface control register C */ #define AIC3X_ASD_INTF_CTRLC 10 /* 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 { 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 */