1 /* 2 * ALSA SoC TLV320AIC3X codec driver 3 * 4 * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> 5 * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 #ifndef _AIC3X_H 13 #define _AIC3X_H 14 15 /* AIC3X register space */ 16 #define AIC3X_CACHEREGNUM 103 17 18 /* Page select register */ 19 #define AIC3X_PAGE_SELECT 0 20 /* Software reset register */ 21 #define AIC3X_RESET 1 22 /* Codec Sample rate select register */ 23 #define AIC3X_SAMPLE_RATE_SEL_REG 2 24 /* PLL progrramming register A */ 25 #define AIC3X_PLL_PROGA_REG 3 26 /* PLL progrramming register B */ 27 #define AIC3X_PLL_PROGB_REG 4 28 /* PLL progrramming register C */ 29 #define AIC3X_PLL_PROGC_REG 5 30 /* PLL progrramming register D */ 31 #define AIC3X_PLL_PROGD_REG 6 32 /* Codec datapath setup register */ 33 #define AIC3X_CODEC_DATAPATH_REG 7 34 /* Audio serial data interface control register A */ 35 #define AIC3X_ASD_INTF_CTRLA 8 36 /* Audio serial data interface control register B */ 37 #define AIC3X_ASD_INTF_CTRLB 9 38 /* Audio serial data interface control register C */ 39 #define AIC3X_ASD_INTF_CTRLC 10 40 /* Audio overflow status and PLL R value programming register */ 41 #define AIC3X_OVRF_STATUS_AND_PLLR_REG 11 42 /* Audio codec digital filter control register */ 43 #define AIC3X_CODEC_DFILT_CTRL 12 44 /* Headset/button press detection register */ 45 #define AIC3X_HEADSET_DETECT_CTRL_A 13 46 #define AIC3X_HEADSET_DETECT_CTRL_B 14 47 /* ADC PGA Gain control registers */ 48 #define LADC_VOL 15 49 #define RADC_VOL 16 50 /* MIC3 control registers */ 51 #define MIC3LR_2_LADC_CTRL 17 52 #define MIC3LR_2_RADC_CTRL 18 53 /* Line1 Input control registers */ 54 #define LINE1L_2_LADC_CTRL 19 55 #define LINE1R_2_LADC_CTRL 21 56 #define LINE1R_2_RADC_CTRL 22 57 #define LINE1L_2_RADC_CTRL 24 58 /* Line2 Input control registers */ 59 #define LINE2L_2_LADC_CTRL 20 60 #define LINE2R_2_RADC_CTRL 23 61 /* MICBIAS Control Register */ 62 #define MICBIAS_CTRL 25 63 64 /* AGC Control Registers A, B, C */ 65 #define LAGC_CTRL_A 26 66 #define LAGC_CTRL_B 27 67 #define LAGC_CTRL_C 28 68 #define RAGC_CTRL_A 29 69 #define RAGC_CTRL_B 30 70 #define RAGC_CTRL_C 31 71 72 /* DAC Power and Left High Power Output control registers */ 73 #define DAC_PWR 37 74 #define HPLCOM_CFG 37 75 /* Right High Power Output control registers */ 76 #define HPRCOM_CFG 38 77 /* DAC Output Switching control registers */ 78 #define DAC_LINE_MUX 41 79 /* High Power Output Driver Pop Reduction registers */ 80 #define HPOUT_POP_REDUCTION 42 81 /* DAC Digital control registers */ 82 #define LDAC_VOL 43 83 #define RDAC_VOL 44 84 /* High Power Output control registers */ 85 #define LINE2L_2_HPLOUT_VOL 45 86 #define LINE2R_2_HPROUT_VOL 62 87 #define PGAL_2_HPLOUT_VOL 46 88 #define PGAL_2_HPROUT_VOL 60 89 #define PGAR_2_HPLOUT_VOL 49 90 #define PGAR_2_HPROUT_VOL 63 91 #define DACL1_2_HPLOUT_VOL 47 92 #define DACR1_2_HPROUT_VOL 64 93 #define HPLOUT_CTRL 51 94 #define HPROUT_CTRL 65 95 /* High Power COM control registers */ 96 #define LINE2L_2_HPLCOM_VOL 52 97 #define LINE2R_2_HPRCOM_VOL 69 98 #define PGAL_2_HPLCOM_VOL 53 99 #define PGAR_2_HPLCOM_VOL 56 100 #define PGAL_2_HPRCOM_VOL 67 101 #define PGAR_2_HPRCOM_VOL 70 102 #define DACL1_2_HPLCOM_VOL 54 103 #define DACR1_2_HPRCOM_VOL 71 104 #define HPLCOM_CTRL 58 105 #define HPRCOM_CTRL 72 106 /* Mono Line Output Plus/Minus control registers */ 107 #define LINE2L_2_MONOLOPM_VOL 73 108 #define LINE2R_2_MONOLOPM_VOL 76 109 #define PGAL_2_MONOLOPM_VOL 74 110 #define PGAR_2_MONOLOPM_VOL 77 111 #define DACL1_2_MONOLOPM_VOL 75 112 #define DACR1_2_MONOLOPM_VOL 78 113 #define MONOLOPM_CTRL 79 114 /* Line Output Plus/Minus control registers */ 115 #define LINE2L_2_LLOPM_VOL 80 116 #define LINE2L_2_RLOPM_VOL 87 117 #define LINE2R_2_LLOPM_VOL 83 118 #define LINE2R_2_RLOPM_VOL 90 119 #define PGAL_2_LLOPM_VOL 81 120 #define PGAL_2_RLOPM_VOL 88 121 #define PGAR_2_LLOPM_VOL 84 122 #define PGAR_2_RLOPM_VOL 91 123 #define DACL1_2_LLOPM_VOL 82 124 #define DACL1_2_RLOPM_VOL 89 125 #define DACR1_2_RLOPM_VOL 92 126 #define DACR1_2_LLOPM_VOL 85 127 #define LLOPM_CTRL 86 128 #define RLOPM_CTRL 93 129 /* GPIO/IRQ registers */ 130 #define AIC3X_STICKY_IRQ_FLAGS_REG 96 131 #define AIC3X_RT_IRQ_FLAGS_REG 97 132 #define AIC3X_GPIO1_REG 98 133 #define AIC3X_GPIO2_REG 99 134 #define AIC3X_GPIOA_REG 100 135 #define AIC3X_GPIOB_REG 101 136 /* Clock generation control register */ 137 #define AIC3X_CLKGEN_CTRL_REG 102 138 139 /* Page select register bits */ 140 #define PAGE0_SELECT 0 141 #define PAGE1_SELECT 1 142 143 /* Audio serial data interface control register A bits */ 144 #define BIT_CLK_MASTER 0x80 145 #define WORD_CLK_MASTER 0x40 146 147 /* Codec Datapath setup register 7 */ 148 #define FSREF_44100 (1 << 7) 149 #define FSREF_48000 (0 << 7) 150 #define DUAL_RATE_MODE ((1 << 5) | (1 << 6)) 151 #define LDAC2LCH (0x1 << 3) 152 #define RDAC2RCH (0x1 << 1) 153 154 /* PLL registers bitfields */ 155 #define PLLP_SHIFT 0 156 #define PLLQ_SHIFT 3 157 #define PLLR_SHIFT 0 158 #define PLLJ_SHIFT 2 159 #define PLLD_MSB_SHIFT 0 160 #define PLLD_LSB_SHIFT 2 161 162 /* Clock generation register bits */ 163 #define CODEC_CLKIN_PLLDIV 0 164 #define CODEC_CLKIN_CLKDIV 1 165 #define PLL_CLKIN_SHIFT 4 166 #define MCLK_SOURCE 0x0 167 #define PLL_CLKDIV_SHIFT 0 168 169 /* Software reset register bits */ 170 #define SOFT_RESET 0x80 171 172 /* PLL progrramming register A bits */ 173 #define PLL_ENABLE 0x80 174 175 /* Route bits */ 176 #define ROUTE_ON 0x80 177 178 /* Mute bits */ 179 #define UNMUTE 0x08 180 #define MUTE_ON 0x80 181 182 /* Power bits */ 183 #define LADC_PWR_ON 0x04 184 #define RADC_PWR_ON 0x04 185 #define LDAC_PWR_ON 0x80 186 #define RDAC_PWR_ON 0x40 187 #define HPLOUT_PWR_ON 0x01 188 #define HPROUT_PWR_ON 0x01 189 #define HPLCOM_PWR_ON 0x01 190 #define HPRCOM_PWR_ON 0x01 191 #define MONOLOPM_PWR_ON 0x01 192 #define LLOPM_PWR_ON 0x01 193 #define RLOPM_PWR_ON 0x01 194 195 #define INVERT_VOL(val) (0x7f - val) 196 197 /* Default output volume (inverted) */ 198 #define DEFAULT_VOL INVERT_VOL(0x50) 199 /* Default input volume */ 200 #define DEFAULT_GAIN 0x20 201 202 /* GPIO API */ 203 enum { 204 AIC3X_GPIO1_FUNC_DISABLED = 0, 205 AIC3X_GPIO1_FUNC_AUDIO_WORDCLK_ADC = 1, 206 AIC3X_GPIO1_FUNC_CLOCK_MUX = 2, 207 AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV2 = 3, 208 AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV4 = 4, 209 AIC3X_GPIO1_FUNC_CLOCK_MUX_DIV8 = 5, 210 AIC3X_GPIO1_FUNC_SHORT_CIRCUIT_IRQ = 6, 211 AIC3X_GPIO1_FUNC_AGC_NOISE_IRQ = 7, 212 AIC3X_GPIO1_FUNC_INPUT = 8, 213 AIC3X_GPIO1_FUNC_OUTPUT = 9, 214 AIC3X_GPIO1_FUNC_DIGITAL_MIC_MODCLK = 10, 215 AIC3X_GPIO1_FUNC_AUDIO_WORDCLK = 11, 216 AIC3X_GPIO1_FUNC_BUTTON_IRQ = 12, 217 AIC3X_GPIO1_FUNC_HEADSET_DETECT_IRQ = 13, 218 AIC3X_GPIO1_FUNC_HEADSET_DETECT_OR_BUTTON_IRQ = 14, 219 AIC3X_GPIO1_FUNC_ALL_IRQ = 16 220 }; 221 222 enum { 223 AIC3X_GPIO2_FUNC_DISABLED = 0, 224 AIC3X_GPIO2_FUNC_HEADSET_DETECT_IRQ = 2, 225 AIC3X_GPIO2_FUNC_INPUT = 3, 226 AIC3X_GPIO2_FUNC_OUTPUT = 4, 227 AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT = 5, 228 AIC3X_GPIO2_FUNC_AUDIO_BITCLK = 8, 229 AIC3X_GPIO2_FUNC_HEADSET_DETECT_OR_BUTTON_IRQ = 9, 230 AIC3X_GPIO2_FUNC_ALL_IRQ = 10, 231 AIC3X_GPIO2_FUNC_SHORT_CIRCUIT_OR_AGC_IRQ = 11, 232 AIC3X_GPIO2_FUNC_HEADSET_OR_BUTTON_PRESS_OR_SHORT_CIRCUIT_IRQ = 12, 233 AIC3X_GPIO2_FUNC_SHORT_CIRCUIT_IRQ = 13, 234 AIC3X_GPIO2_FUNC_AGC_NOISE_IRQ = 14, 235 AIC3X_GPIO2_FUNC_BUTTON_PRESS_IRQ = 15 236 }; 237 238 void aic3x_set_gpio(struct snd_soc_codec *codec, int gpio, int state); 239 int aic3x_get_gpio(struct snd_soc_codec *codec, int gpio); 240 241 /* headset detection / button API */ 242 243 /* The AIC3x supports detection of stereo headsets (GND + left + right signal) 244 * and cellular headsets (GND + speaker output + microphone input). 245 * It is recommended to enable MIC bias for this function to work properly. 246 * For more information, please refer to the datasheet. */ 247 enum { 248 AIC3X_HEADSET_DETECT_OFF = 0, 249 AIC3X_HEADSET_DETECT_STEREO = 1, 250 AIC3X_HEADSET_DETECT_CELLULAR = 2, 251 AIC3X_HEADSET_DETECT_BOTH = 3 252 }; 253 254 enum { 255 AIC3X_HEADSET_DEBOUNCE_16MS = 0, 256 AIC3X_HEADSET_DEBOUNCE_32MS = 1, 257 AIC3X_HEADSET_DEBOUNCE_64MS = 2, 258 AIC3X_HEADSET_DEBOUNCE_128MS = 3, 259 AIC3X_HEADSET_DEBOUNCE_256MS = 4, 260 AIC3X_HEADSET_DEBOUNCE_512MS = 5 261 }; 262 263 enum { 264 AIC3X_BUTTON_DEBOUNCE_0MS = 0, 265 AIC3X_BUTTON_DEBOUNCE_8MS = 1, 266 AIC3X_BUTTON_DEBOUNCE_16MS = 2, 267 AIC3X_BUTTON_DEBOUNCE_32MS = 3 268 }; 269 270 #define AIC3X_HEADSET_DETECT_ENABLED 0x80 271 #define AIC3X_HEADSET_DETECT_SHIFT 5 272 #define AIC3X_HEADSET_DETECT_MASK 3 273 #define AIC3X_HEADSET_DEBOUNCE_SHIFT 2 274 #define AIC3X_HEADSET_DEBOUNCE_MASK 7 275 #define AIC3X_BUTTON_DEBOUNCE_SHIFT 0 276 #define AIC3X_BUTTON_DEBOUNCE_MASK 3 277 278 /* see the enums above for valid parameters to this function */ 279 void aic3x_set_headset_detection(struct snd_soc_codec *codec, int detect, 280 int headset_debounce, int button_debounce); 281 int aic3x_headset_detected(struct snd_soc_codec *codec); 282 int aic3x_button_pressed(struct snd_soc_codec *codec); 283 284 struct aic3x_setup_data { 285 unsigned int gpio_func[2]; 286 }; 287 288 extern struct snd_soc_dai aic3x_dai; 289 extern struct snd_soc_codec_device soc_codec_dev_aic3x; 290 291 #endif /* _AIC3X_H */ 292