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Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.h')
| -rw-r--r-- | sound/soc/codecs/tlv320aic3x.h | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.h b/sound/soc/codecs/tlv320aic3x.h new file mode 100644 index 00000000..06a19784 --- /dev/null +++ b/sound/soc/codecs/tlv320aic3x.h @@ -0,0 +1,261 @@ +/* + * 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 +/* Left High Power Output control registers */ +#define LINE2L_2_HPLOUT_VOL 45 +#define PGAL_2_HPLOUT_VOL 46 +#define DACL1_2_HPLOUT_VOL 47 +#define LINE2R_2_HPLOUT_VOL 48 +#define PGAR_2_HPLOUT_VOL 49 +#define DACR1_2_HPLOUT_VOL 50 +#define HPLOUT_CTRL 51 +/* Left High Power COM control registers */ +#define LINE2L_2_HPLCOM_VOL 52 +#define PGAL_2_HPLCOM_VOL 53 +#define DACL1_2_HPLCOM_VOL 54 +#define LINE2R_2_HPLCOM_VOL 55 +#define PGAR_2_HPLCOM_VOL 56 +#define DACR1_2_HPLCOM_VOL 57 +#define HPLCOM_CTRL 58 +/* Right High Power Output control registers */ +#define LINE2L_2_HPROUT_VOL 59 +#define PGAL_2_HPROUT_VOL 60 +#define DACL1_2_HPROUT_VOL 61 +#define LINE2R_2_HPROUT_VOL 62 +#define PGAR_2_HPROUT_VOL 63 +#define DACR1_2_HPROUT_VOL 64 +#define HPROUT_CTRL 65 +/* Right High Power COM control registers */ +#define LINE2L_2_HPRCOM_VOL 66 +#define PGAL_2_HPRCOM_VOL 67 +#define DACL1_2_HPRCOM_VOL 68 +#define LINE2R_2_HPRCOM_VOL 69 +#define PGAR_2_HPRCOM_VOL 70 +#define DACR1_2_HPRCOM_VOL 71 +#define HPRCOM_CTRL 72 +/* Mono Line Output Plus/Minus control registers */ +#define LINE2L_2_MONOLOPM_VOL 73 +#define PGAL_2_MONOLOPM_VOL 74 +#define DACL1_2_MONOLOPM_VOL 75 +#define LINE2R_2_MONOLOPM_VOL 76 +#define PGAR_2_MONOLOPM_VOL 77 +#define DACR1_2_MONOLOPM_VOL 78 +#define MONOLOPM_CTRL 79 +/* Class-D speaker driver on tlv320aic3007 */ +#define CLASSD_CTRL 73 +/* Left Line Output Plus/Minus control registers */ +#define LINE2L_2_LLOPM_VOL 80 +#define PGAL_2_LLOPM_VOL 81 +#define DACL1_2_LLOPM_VOL 82 +#define LINE2R_2_LLOPM_VOL 83 +#define PGAR_2_LLOPM_VOL 84 +#define DACR1_2_LLOPM_VOL 85 +#define LLOPM_CTRL 86 +/* Right Line Output Plus/Minus control registers */ +#define LINE2L_2_RLOPM_VOL 87 +#define PGAL_2_RLOPM_VOL 88 +#define DACL1_2_RLOPM_VOL 89 +#define LINE2R_2_RLOPM_VOL 90 +#define PGAR_2_RLOPM_VOL 91 +#define DACR1_2_RLOPM_VOL 92 +#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 + +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); + +#endif /* _AIC3X_H */ |