1 // SPDX-License-Identifier: GPL-2.0 2 // TLV320ADCX140 Sound driver 3 // Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/ 4 5 #include <linux/module.h> 6 #include <linux/moduleparam.h> 7 #include <linux/init.h> 8 #include <linux/delay.h> 9 #include <linux/pm.h> 10 #include <linux/i2c.h> 11 #include <linux/gpio/consumer.h> 12 #include <linux/regulator/consumer.h> 13 #include <linux/acpi.h> 14 #include <linux/of.h> 15 #include <linux/of_gpio.h> 16 #include <linux/slab.h> 17 #include <sound/core.h> 18 #include <sound/pcm.h> 19 #include <sound/pcm_params.h> 20 #include <sound/soc.h> 21 #include <sound/initval.h> 22 #include <sound/tlv.h> 23 24 #include "tlv320adcx140.h" 25 26 struct adcx140_priv { 27 struct snd_soc_component *component; 28 struct regulator *supply_areg; 29 struct gpio_desc *gpio_reset; 30 struct regmap *regmap; 31 struct device *dev; 32 33 int micbias_vg; 34 35 unsigned int dai_fmt; 36 unsigned int tdm_delay; 37 unsigned int slot_width; 38 }; 39 40 static const char * const gpo_config_names[] = { 41 "ti,gpo-config-1", 42 "ti,gpo-config-2", 43 "ti,gpo-config-3", 44 "ti,gpo-config-4", 45 }; 46 47 static const struct reg_default adcx140_reg_defaults[] = { 48 { ADCX140_PAGE_SELECT, 0x00 }, 49 { ADCX140_SW_RESET, 0x00 }, 50 { ADCX140_SLEEP_CFG, 0x00 }, 51 { ADCX140_SHDN_CFG, 0x05 }, 52 { ADCX140_ASI_CFG0, 0x30 }, 53 { ADCX140_ASI_CFG1, 0x00 }, 54 { ADCX140_ASI_CFG2, 0x00 }, 55 { ADCX140_ASI_CH1, 0x00 }, 56 { ADCX140_ASI_CH2, 0x01 }, 57 { ADCX140_ASI_CH3, 0x02 }, 58 { ADCX140_ASI_CH4, 0x03 }, 59 { ADCX140_ASI_CH5, 0x04 }, 60 { ADCX140_ASI_CH6, 0x05 }, 61 { ADCX140_ASI_CH7, 0x06 }, 62 { ADCX140_ASI_CH8, 0x07 }, 63 { ADCX140_MST_CFG0, 0x02 }, 64 { ADCX140_MST_CFG1, 0x48 }, 65 { ADCX140_ASI_STS, 0xff }, 66 { ADCX140_CLK_SRC, 0x10 }, 67 { ADCX140_PDMCLK_CFG, 0x40 }, 68 { ADCX140_PDM_CFG, 0x00 }, 69 { ADCX140_GPIO_CFG0, 0x22 }, 70 { ADCX140_GPO_CFG0, 0x00 }, 71 { ADCX140_GPO_CFG1, 0x00 }, 72 { ADCX140_GPO_CFG2, 0x00 }, 73 { ADCX140_GPO_CFG3, 0x00 }, 74 { ADCX140_GPO_VAL, 0x00 }, 75 { ADCX140_GPIO_MON, 0x00 }, 76 { ADCX140_GPI_CFG0, 0x00 }, 77 { ADCX140_GPI_CFG1, 0x00 }, 78 { ADCX140_GPI_MON, 0x00 }, 79 { ADCX140_INT_CFG, 0x00 }, 80 { ADCX140_INT_MASK0, 0xff }, 81 { ADCX140_INT_LTCH0, 0x00 }, 82 { ADCX140_BIAS_CFG, 0x00 }, 83 { ADCX140_CH1_CFG0, 0x00 }, 84 { ADCX140_CH1_CFG1, 0x00 }, 85 { ADCX140_CH1_CFG2, 0xc9 }, 86 { ADCX140_CH1_CFG3, 0x80 }, 87 { ADCX140_CH1_CFG4, 0x00 }, 88 { ADCX140_CH2_CFG0, 0x00 }, 89 { ADCX140_CH2_CFG1, 0x00 }, 90 { ADCX140_CH2_CFG2, 0xc9 }, 91 { ADCX140_CH2_CFG3, 0x80 }, 92 { ADCX140_CH2_CFG4, 0x00 }, 93 { ADCX140_CH3_CFG0, 0x00 }, 94 { ADCX140_CH3_CFG1, 0x00 }, 95 { ADCX140_CH3_CFG2, 0xc9 }, 96 { ADCX140_CH3_CFG3, 0x80 }, 97 { ADCX140_CH3_CFG4, 0x00 }, 98 { ADCX140_CH4_CFG0, 0x00 }, 99 { ADCX140_CH4_CFG1, 0x00 }, 100 { ADCX140_CH4_CFG2, 0xc9 }, 101 { ADCX140_CH4_CFG3, 0x80 }, 102 { ADCX140_CH4_CFG4, 0x00 }, 103 { ADCX140_CH5_CFG2, 0xc9 }, 104 { ADCX140_CH5_CFG3, 0x80 }, 105 { ADCX140_CH5_CFG4, 0x00 }, 106 { ADCX140_CH6_CFG2, 0xc9 }, 107 { ADCX140_CH6_CFG3, 0x80 }, 108 { ADCX140_CH6_CFG4, 0x00 }, 109 { ADCX140_CH7_CFG2, 0xc9 }, 110 { ADCX140_CH7_CFG3, 0x80 }, 111 { ADCX140_CH7_CFG4, 0x00 }, 112 { ADCX140_CH8_CFG2, 0xc9 }, 113 { ADCX140_CH8_CFG3, 0x80 }, 114 { ADCX140_CH8_CFG4, 0x00 }, 115 { ADCX140_DSP_CFG0, 0x01 }, 116 { ADCX140_DSP_CFG1, 0x40 }, 117 { ADCX140_DRE_CFG0, 0x7b }, 118 { ADCX140_AGC_CFG0, 0xe7 }, 119 { ADCX140_IN_CH_EN, 0xf0 }, 120 { ADCX140_ASI_OUT_CH_EN, 0x00 }, 121 { ADCX140_PWR_CFG, 0x00 }, 122 { ADCX140_DEV_STS0, 0x00 }, 123 { ADCX140_DEV_STS1, 0x80 }, 124 }; 125 126 static const struct regmap_range_cfg adcx140_ranges[] = { 127 { 128 .range_min = 0, 129 .range_max = 12 * 128, 130 .selector_reg = ADCX140_PAGE_SELECT, 131 .selector_mask = 0xff, 132 .selector_shift = 0, 133 .window_start = 0, 134 .window_len = 128, 135 }, 136 }; 137 138 static bool adcx140_volatile(struct device *dev, unsigned int reg) 139 { 140 switch (reg) { 141 case ADCX140_SW_RESET: 142 case ADCX140_DEV_STS0: 143 case ADCX140_DEV_STS1: 144 case ADCX140_ASI_STS: 145 return true; 146 default: 147 return false; 148 } 149 } 150 151 static const struct regmap_config adcx140_i2c_regmap = { 152 .reg_bits = 8, 153 .val_bits = 8, 154 .reg_defaults = adcx140_reg_defaults, 155 .num_reg_defaults = ARRAY_SIZE(adcx140_reg_defaults), 156 .cache_type = REGCACHE_FLAT, 157 .ranges = adcx140_ranges, 158 .num_ranges = ARRAY_SIZE(adcx140_ranges), 159 .max_register = 12 * 128, 160 .volatile_reg = adcx140_volatile, 161 }; 162 163 /* Digital Volume control. From -100 to 27 dB in 0.5 dB steps */ 164 static DECLARE_TLV_DB_SCALE(dig_vol_tlv, -10000, 50, 0); 165 166 /* ADC gain. From 0 to 42 dB in 1 dB steps */ 167 static DECLARE_TLV_DB_SCALE(adc_tlv, 0, 100, 0); 168 169 /* DRE Level. From -12 dB to -66 dB in 1 dB steps */ 170 static DECLARE_TLV_DB_SCALE(dre_thresh_tlv, -6600, 100, 0); 171 /* DRE Max Gain. From 2 dB to 26 dB in 2 dB steps */ 172 static DECLARE_TLV_DB_SCALE(dre_gain_tlv, 200, 200, 0); 173 174 /* AGC Level. From -6 dB to -36 dB in 2 dB steps */ 175 static DECLARE_TLV_DB_SCALE(agc_thresh_tlv, -3600, 200, 0); 176 /* AGC Max Gain. From 3 dB to 42 dB in 3 dB steps */ 177 static DECLARE_TLV_DB_SCALE(agc_gain_tlv, 300, 300, 0); 178 179 static const char * const decimation_filter_text[] = { 180 "Linear Phase", "Low Latency", "Ultra-low Latency" 181 }; 182 183 static SOC_ENUM_SINGLE_DECL(decimation_filter_enum, ADCX140_DSP_CFG0, 4, 184 decimation_filter_text); 185 186 static const struct snd_kcontrol_new decimation_filter_controls[] = { 187 SOC_DAPM_ENUM("Decimation Filter", decimation_filter_enum), 188 }; 189 190 static const char * const pdmclk_text[] = { 191 "2.8224 MHz", "1.4112 MHz", "705.6 kHz", "5.6448 MHz" 192 }; 193 194 static SOC_ENUM_SINGLE_DECL(pdmclk_select_enum, ADCX140_PDMCLK_CFG, 0, 195 pdmclk_text); 196 197 static const struct snd_kcontrol_new pdmclk_div_controls[] = { 198 SOC_DAPM_ENUM("PDM Clk Divider Select", pdmclk_select_enum), 199 }; 200 201 static const char * const resistor_text[] = { 202 "2.5 kOhm", "10 kOhm", "20 kOhm" 203 }; 204 205 static SOC_ENUM_SINGLE_DECL(in1_resistor_enum, ADCX140_CH1_CFG0, 2, 206 resistor_text); 207 static SOC_ENUM_SINGLE_DECL(in2_resistor_enum, ADCX140_CH2_CFG0, 2, 208 resistor_text); 209 static SOC_ENUM_SINGLE_DECL(in3_resistor_enum, ADCX140_CH3_CFG0, 2, 210 resistor_text); 211 static SOC_ENUM_SINGLE_DECL(in4_resistor_enum, ADCX140_CH4_CFG0, 2, 212 resistor_text); 213 214 static const struct snd_kcontrol_new in1_resistor_controls[] = { 215 SOC_DAPM_ENUM("CH1 Resistor Select", in1_resistor_enum), 216 }; 217 static const struct snd_kcontrol_new in2_resistor_controls[] = { 218 SOC_DAPM_ENUM("CH2 Resistor Select", in2_resistor_enum), 219 }; 220 static const struct snd_kcontrol_new in3_resistor_controls[] = { 221 SOC_DAPM_ENUM("CH3 Resistor Select", in3_resistor_enum), 222 }; 223 static const struct snd_kcontrol_new in4_resistor_controls[] = { 224 SOC_DAPM_ENUM("CH4 Resistor Select", in4_resistor_enum), 225 }; 226 227 /* Analog/Digital Selection */ 228 static const char * const adcx140_mic_sel_text[] = {"Analog", "Line In", "Digital"}; 229 static const char * const adcx140_analog_sel_text[] = {"Analog", "Line In"}; 230 231 static SOC_ENUM_SINGLE_DECL(adcx140_mic1p_enum, 232 ADCX140_CH1_CFG0, 5, 233 adcx140_mic_sel_text); 234 235 static const struct snd_kcontrol_new adcx140_dapm_mic1p_control = 236 SOC_DAPM_ENUM("MIC1P MUX", adcx140_mic1p_enum); 237 238 static SOC_ENUM_SINGLE_DECL(adcx140_mic1_analog_enum, 239 ADCX140_CH1_CFG0, 7, 240 adcx140_analog_sel_text); 241 242 static const struct snd_kcontrol_new adcx140_dapm_mic1_analog_control = 243 SOC_DAPM_ENUM("MIC1 Analog MUX", adcx140_mic1_analog_enum); 244 245 static SOC_ENUM_SINGLE_DECL(adcx140_mic1m_enum, 246 ADCX140_CH1_CFG0, 5, 247 adcx140_mic_sel_text); 248 249 static const struct snd_kcontrol_new adcx140_dapm_mic1m_control = 250 SOC_DAPM_ENUM("MIC1M MUX", adcx140_mic1m_enum); 251 252 static SOC_ENUM_SINGLE_DECL(adcx140_mic2p_enum, 253 ADCX140_CH2_CFG0, 5, 254 adcx140_mic_sel_text); 255 256 static const struct snd_kcontrol_new adcx140_dapm_mic2p_control = 257 SOC_DAPM_ENUM("MIC2P MUX", adcx140_mic2p_enum); 258 259 static SOC_ENUM_SINGLE_DECL(adcx140_mic2_analog_enum, 260 ADCX140_CH2_CFG0, 7, 261 adcx140_analog_sel_text); 262 263 static const struct snd_kcontrol_new adcx140_dapm_mic2_analog_control = 264 SOC_DAPM_ENUM("MIC2 Analog MUX", adcx140_mic2_analog_enum); 265 266 static SOC_ENUM_SINGLE_DECL(adcx140_mic2m_enum, 267 ADCX140_CH2_CFG0, 5, 268 adcx140_mic_sel_text); 269 270 static const struct snd_kcontrol_new adcx140_dapm_mic2m_control = 271 SOC_DAPM_ENUM("MIC2M MUX", adcx140_mic2m_enum); 272 273 static SOC_ENUM_SINGLE_DECL(adcx140_mic3p_enum, 274 ADCX140_CH3_CFG0, 5, 275 adcx140_mic_sel_text); 276 277 static const struct snd_kcontrol_new adcx140_dapm_mic3p_control = 278 SOC_DAPM_ENUM("MIC3P MUX", adcx140_mic3p_enum); 279 280 static SOC_ENUM_SINGLE_DECL(adcx140_mic3_analog_enum, 281 ADCX140_CH3_CFG0, 7, 282 adcx140_analog_sel_text); 283 284 static const struct snd_kcontrol_new adcx140_dapm_mic3_analog_control = 285 SOC_DAPM_ENUM("MIC3 Analog MUX", adcx140_mic3_analog_enum); 286 287 static SOC_ENUM_SINGLE_DECL(adcx140_mic3m_enum, 288 ADCX140_CH3_CFG0, 5, 289 adcx140_mic_sel_text); 290 291 static const struct snd_kcontrol_new adcx140_dapm_mic3m_control = 292 SOC_DAPM_ENUM("MIC3M MUX", adcx140_mic3m_enum); 293 294 static SOC_ENUM_SINGLE_DECL(adcx140_mic4p_enum, 295 ADCX140_CH4_CFG0, 5, 296 adcx140_mic_sel_text); 297 298 static const struct snd_kcontrol_new adcx140_dapm_mic4p_control = 299 SOC_DAPM_ENUM("MIC4P MUX", adcx140_mic4p_enum); 300 301 static SOC_ENUM_SINGLE_DECL(adcx140_mic4_analog_enum, 302 ADCX140_CH4_CFG0, 7, 303 adcx140_analog_sel_text); 304 305 static const struct snd_kcontrol_new adcx140_dapm_mic4_analog_control = 306 SOC_DAPM_ENUM("MIC4 Analog MUX", adcx140_mic4_analog_enum); 307 308 static SOC_ENUM_SINGLE_DECL(adcx140_mic4m_enum, 309 ADCX140_CH4_CFG0, 5, 310 adcx140_mic_sel_text); 311 312 static const struct snd_kcontrol_new adcx140_dapm_mic4m_control = 313 SOC_DAPM_ENUM("MIC4M MUX", adcx140_mic4m_enum); 314 315 static const struct snd_kcontrol_new adcx140_dapm_ch1_en_switch = 316 SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 7, 1, 0); 317 static const struct snd_kcontrol_new adcx140_dapm_ch2_en_switch = 318 SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 6, 1, 0); 319 static const struct snd_kcontrol_new adcx140_dapm_ch3_en_switch = 320 SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 5, 1, 0); 321 static const struct snd_kcontrol_new adcx140_dapm_ch4_en_switch = 322 SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 4, 1, 0); 323 static const struct snd_kcontrol_new adcx140_dapm_ch5_en_switch = 324 SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 3, 1, 0); 325 static const struct snd_kcontrol_new adcx140_dapm_ch6_en_switch = 326 SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 2, 1, 0); 327 static const struct snd_kcontrol_new adcx140_dapm_ch7_en_switch = 328 SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 1, 1, 0); 329 static const struct snd_kcontrol_new adcx140_dapm_ch8_en_switch = 330 SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 0, 1, 0); 331 332 static const struct snd_kcontrol_new adcx140_dapm_ch1_dre_en_switch = 333 SOC_DAPM_SINGLE("Switch", ADCX140_CH1_CFG0, 0, 1, 0); 334 static const struct snd_kcontrol_new adcx140_dapm_ch2_dre_en_switch = 335 SOC_DAPM_SINGLE("Switch", ADCX140_CH2_CFG0, 0, 1, 0); 336 static const struct snd_kcontrol_new adcx140_dapm_ch3_dre_en_switch = 337 SOC_DAPM_SINGLE("Switch", ADCX140_CH3_CFG0, 0, 1, 0); 338 static const struct snd_kcontrol_new adcx140_dapm_ch4_dre_en_switch = 339 SOC_DAPM_SINGLE("Switch", ADCX140_CH4_CFG0, 0, 1, 0); 340 341 static const struct snd_kcontrol_new adcx140_dapm_dre_en_switch = 342 SOC_DAPM_SINGLE("Switch", ADCX140_DSP_CFG1, 3, 1, 0); 343 344 /* Output Mixer */ 345 static const struct snd_kcontrol_new adcx140_output_mixer_controls[] = { 346 SOC_DAPM_SINGLE("Digital CH1 Switch", 0, 0, 0, 0), 347 SOC_DAPM_SINGLE("Digital CH2 Switch", 0, 0, 0, 0), 348 SOC_DAPM_SINGLE("Digital CH3 Switch", 0, 0, 0, 0), 349 SOC_DAPM_SINGLE("Digital CH4 Switch", 0, 0, 0, 0), 350 }; 351 352 static const struct snd_soc_dapm_widget adcx140_dapm_widgets[] = { 353 /* Analog Differential Inputs */ 354 SND_SOC_DAPM_INPUT("MIC1P"), 355 SND_SOC_DAPM_INPUT("MIC1M"), 356 SND_SOC_DAPM_INPUT("MIC2P"), 357 SND_SOC_DAPM_INPUT("MIC2M"), 358 SND_SOC_DAPM_INPUT("MIC3P"), 359 SND_SOC_DAPM_INPUT("MIC3M"), 360 SND_SOC_DAPM_INPUT("MIC4P"), 361 SND_SOC_DAPM_INPUT("MIC4M"), 362 363 SND_SOC_DAPM_OUTPUT("CH1_OUT"), 364 SND_SOC_DAPM_OUTPUT("CH2_OUT"), 365 SND_SOC_DAPM_OUTPUT("CH3_OUT"), 366 SND_SOC_DAPM_OUTPUT("CH4_OUT"), 367 SND_SOC_DAPM_OUTPUT("CH5_OUT"), 368 SND_SOC_DAPM_OUTPUT("CH6_OUT"), 369 SND_SOC_DAPM_OUTPUT("CH7_OUT"), 370 SND_SOC_DAPM_OUTPUT("CH8_OUT"), 371 372 SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, 373 &adcx140_output_mixer_controls[0], 374 ARRAY_SIZE(adcx140_output_mixer_controls)), 375 376 /* Input Selection to MIC_PGA */ 377 SND_SOC_DAPM_MUX("MIC1P Input Mux", SND_SOC_NOPM, 0, 0, 378 &adcx140_dapm_mic1p_control), 379 SND_SOC_DAPM_MUX("MIC2P Input Mux", SND_SOC_NOPM, 0, 0, 380 &adcx140_dapm_mic2p_control), 381 SND_SOC_DAPM_MUX("MIC3P Input Mux", SND_SOC_NOPM, 0, 0, 382 &adcx140_dapm_mic3p_control), 383 SND_SOC_DAPM_MUX("MIC4P Input Mux", SND_SOC_NOPM, 0, 0, 384 &adcx140_dapm_mic4p_control), 385 386 /* Input Selection to MIC_PGA */ 387 SND_SOC_DAPM_MUX("MIC1 Analog Mux", SND_SOC_NOPM, 0, 0, 388 &adcx140_dapm_mic1_analog_control), 389 SND_SOC_DAPM_MUX("MIC2 Analog Mux", SND_SOC_NOPM, 0, 0, 390 &adcx140_dapm_mic2_analog_control), 391 SND_SOC_DAPM_MUX("MIC3 Analog Mux", SND_SOC_NOPM, 0, 0, 392 &adcx140_dapm_mic3_analog_control), 393 SND_SOC_DAPM_MUX("MIC4 Analog Mux", SND_SOC_NOPM, 0, 0, 394 &adcx140_dapm_mic4_analog_control), 395 396 SND_SOC_DAPM_MUX("MIC1M Input Mux", SND_SOC_NOPM, 0, 0, 397 &adcx140_dapm_mic1m_control), 398 SND_SOC_DAPM_MUX("MIC2M Input Mux", SND_SOC_NOPM, 0, 0, 399 &adcx140_dapm_mic2m_control), 400 SND_SOC_DAPM_MUX("MIC3M Input Mux", SND_SOC_NOPM, 0, 0, 401 &adcx140_dapm_mic3m_control), 402 SND_SOC_DAPM_MUX("MIC4M Input Mux", SND_SOC_NOPM, 0, 0, 403 &adcx140_dapm_mic4m_control), 404 405 SND_SOC_DAPM_PGA("MIC_GAIN_CTL_CH1", SND_SOC_NOPM, 0, 0, NULL, 0), 406 SND_SOC_DAPM_PGA("MIC_GAIN_CTL_CH2", SND_SOC_NOPM, 0, 0, NULL, 0), 407 SND_SOC_DAPM_PGA("MIC_GAIN_CTL_CH3", SND_SOC_NOPM, 0, 0, NULL, 0), 408 SND_SOC_DAPM_PGA("MIC_GAIN_CTL_CH4", SND_SOC_NOPM, 0, 0, NULL, 0), 409 410 SND_SOC_DAPM_ADC("CH1_ADC", "CH1 Capture", ADCX140_IN_CH_EN, 7, 0), 411 SND_SOC_DAPM_ADC("CH2_ADC", "CH2 Capture", ADCX140_IN_CH_EN, 6, 0), 412 SND_SOC_DAPM_ADC("CH3_ADC", "CH3 Capture", ADCX140_IN_CH_EN, 5, 0), 413 SND_SOC_DAPM_ADC("CH4_ADC", "CH4 Capture", ADCX140_IN_CH_EN, 4, 0), 414 415 SND_SOC_DAPM_SWITCH("CH1_ASI_EN", SND_SOC_NOPM, 0, 0, 416 &adcx140_dapm_ch1_en_switch), 417 SND_SOC_DAPM_SWITCH("CH2_ASI_EN", SND_SOC_NOPM, 0, 0, 418 &adcx140_dapm_ch2_en_switch), 419 SND_SOC_DAPM_SWITCH("CH3_ASI_EN", SND_SOC_NOPM, 0, 0, 420 &adcx140_dapm_ch3_en_switch), 421 SND_SOC_DAPM_SWITCH("CH4_ASI_EN", SND_SOC_NOPM, 0, 0, 422 &adcx140_dapm_ch4_en_switch), 423 424 SND_SOC_DAPM_SWITCH("CH5_ASI_EN", SND_SOC_NOPM, 0, 0, 425 &adcx140_dapm_ch5_en_switch), 426 SND_SOC_DAPM_SWITCH("CH6_ASI_EN", SND_SOC_NOPM, 0, 0, 427 &adcx140_dapm_ch6_en_switch), 428 SND_SOC_DAPM_SWITCH("CH7_ASI_EN", SND_SOC_NOPM, 0, 0, 429 &adcx140_dapm_ch7_en_switch), 430 SND_SOC_DAPM_SWITCH("CH8_ASI_EN", SND_SOC_NOPM, 0, 0, 431 &adcx140_dapm_ch8_en_switch), 432 433 SND_SOC_DAPM_SWITCH("DRE_ENABLE", SND_SOC_NOPM, 0, 0, 434 &adcx140_dapm_dre_en_switch), 435 436 SND_SOC_DAPM_SWITCH("CH1_DRE_EN", SND_SOC_NOPM, 0, 0, 437 &adcx140_dapm_ch1_dre_en_switch), 438 SND_SOC_DAPM_SWITCH("CH2_DRE_EN", SND_SOC_NOPM, 0, 0, 439 &adcx140_dapm_ch2_dre_en_switch), 440 SND_SOC_DAPM_SWITCH("CH3_DRE_EN", SND_SOC_NOPM, 0, 0, 441 &adcx140_dapm_ch3_dre_en_switch), 442 SND_SOC_DAPM_SWITCH("CH4_DRE_EN", SND_SOC_NOPM, 0, 0, 443 &adcx140_dapm_ch4_dre_en_switch), 444 445 SND_SOC_DAPM_MUX("IN1 Analog Mic Resistor", SND_SOC_NOPM, 0, 0, 446 in1_resistor_controls), 447 SND_SOC_DAPM_MUX("IN2 Analog Mic Resistor", SND_SOC_NOPM, 0, 0, 448 in2_resistor_controls), 449 SND_SOC_DAPM_MUX("IN3 Analog Mic Resistor", SND_SOC_NOPM, 0, 0, 450 in3_resistor_controls), 451 SND_SOC_DAPM_MUX("IN4 Analog Mic Resistor", SND_SOC_NOPM, 0, 0, 452 in4_resistor_controls), 453 454 SND_SOC_DAPM_MUX("PDM Clk Div Select", SND_SOC_NOPM, 0, 0, 455 pdmclk_div_controls), 456 457 SND_SOC_DAPM_MUX("Decimation Filter", SND_SOC_NOPM, 0, 0, 458 decimation_filter_controls), 459 }; 460 461 static const struct snd_soc_dapm_route adcx140_audio_map[] = { 462 /* Outputs */ 463 {"CH1_OUT", NULL, "Output Mixer"}, 464 {"CH2_OUT", NULL, "Output Mixer"}, 465 {"CH3_OUT", NULL, "Output Mixer"}, 466 {"CH4_OUT", NULL, "Output Mixer"}, 467 468 {"CH1_ASI_EN", "Switch", "CH1_ADC"}, 469 {"CH2_ASI_EN", "Switch", "CH2_ADC"}, 470 {"CH3_ASI_EN", "Switch", "CH3_ADC"}, 471 {"CH4_ASI_EN", "Switch", "CH4_ADC"}, 472 473 {"CH5_ASI_EN", "Switch", "CH5_OUT"}, 474 {"CH6_ASI_EN", "Switch", "CH6_OUT"}, 475 {"CH7_ASI_EN", "Switch", "CH7_OUT"}, 476 {"CH8_ASI_EN", "Switch", "CH8_OUT"}, 477 478 {"Decimation Filter", "Linear Phase", "DRE_ENABLE"}, 479 {"Decimation Filter", "Low Latency", "DRE_ENABLE"}, 480 {"Decimation Filter", "Ultra-low Latency", "DRE_ENABLE"}, 481 482 {"DRE_ENABLE", "Switch", "CH1_DRE_EN"}, 483 {"DRE_ENABLE", "Switch", "CH2_DRE_EN"}, 484 {"DRE_ENABLE", "Switch", "CH3_DRE_EN"}, 485 {"DRE_ENABLE", "Switch", "CH4_DRE_EN"}, 486 487 {"CH1_DRE_EN", "Switch", "CH1_ADC"}, 488 {"CH2_DRE_EN", "Switch", "CH2_ADC"}, 489 {"CH3_DRE_EN", "Switch", "CH3_ADC"}, 490 {"CH4_DRE_EN", "Switch", "CH4_ADC"}, 491 492 /* Mic input */ 493 {"CH1_ADC", NULL, "MIC_GAIN_CTL_CH1"}, 494 {"CH2_ADC", NULL, "MIC_GAIN_CTL_CH2"}, 495 {"CH3_ADC", NULL, "MIC_GAIN_CTL_CH3"}, 496 {"CH4_ADC", NULL, "MIC_GAIN_CTL_CH4"}, 497 498 {"MIC_GAIN_CTL_CH1", NULL, "IN1 Analog Mic Resistor"}, 499 {"MIC_GAIN_CTL_CH1", NULL, "IN1 Analog Mic Resistor"}, 500 {"MIC_GAIN_CTL_CH2", NULL, "IN2 Analog Mic Resistor"}, 501 {"MIC_GAIN_CTL_CH2", NULL, "IN2 Analog Mic Resistor"}, 502 {"MIC_GAIN_CTL_CH3", NULL, "IN3 Analog Mic Resistor"}, 503 {"MIC_GAIN_CTL_CH3", NULL, "IN3 Analog Mic Resistor"}, 504 {"MIC_GAIN_CTL_CH4", NULL, "IN4 Analog Mic Resistor"}, 505 {"MIC_GAIN_CTL_CH4", NULL, "IN4 Analog Mic Resistor"}, 506 507 {"IN1 Analog Mic Resistor", "2.5 kOhm", "MIC1P Input Mux"}, 508 {"IN1 Analog Mic Resistor", "10 kOhm", "MIC1P Input Mux"}, 509 {"IN1 Analog Mic Resistor", "20 kOhm", "MIC1P Input Mux"}, 510 511 {"IN1 Analog Mic Resistor", "2.5 kOhm", "MIC1M Input Mux"}, 512 {"IN1 Analog Mic Resistor", "10 kOhm", "MIC1M Input Mux"}, 513 {"IN1 Analog Mic Resistor", "20 kOhm", "MIC1M Input Mux"}, 514 515 {"IN2 Analog Mic Resistor", "2.5 kOhm", "MIC2P Input Mux"}, 516 {"IN2 Analog Mic Resistor", "10 kOhm", "MIC2P Input Mux"}, 517 {"IN2 Analog Mic Resistor", "20 kOhm", "MIC2P Input Mux"}, 518 519 {"IN2 Analog Mic Resistor", "2.5 kOhm", "MIC2M Input Mux"}, 520 {"IN2 Analog Mic Resistor", "10 kOhm", "MIC2M Input Mux"}, 521 {"IN2 Analog Mic Resistor", "20 kOhm", "MIC2M Input Mux"}, 522 523 {"IN3 Analog Mic Resistor", "2.5 kOhm", "MIC3P Input Mux"}, 524 {"IN3 Analog Mic Resistor", "10 kOhm", "MIC3P Input Mux"}, 525 {"IN3 Analog Mic Resistor", "20 kOhm", "MIC3P Input Mux"}, 526 527 {"IN3 Analog Mic Resistor", "2.5 kOhm", "MIC3M Input Mux"}, 528 {"IN3 Analog Mic Resistor", "10 kOhm", "MIC3M Input Mux"}, 529 {"IN3 Analog Mic Resistor", "20 kOhm", "MIC3M Input Mux"}, 530 531 {"IN4 Analog Mic Resistor", "2.5 kOhm", "MIC4P Input Mux"}, 532 {"IN4 Analog Mic Resistor", "10 kOhm", "MIC4P Input Mux"}, 533 {"IN4 Analog Mic Resistor", "20 kOhm", "MIC4P Input Mux"}, 534 535 {"IN4 Analog Mic Resistor", "2.5 kOhm", "MIC4M Input Mux"}, 536 {"IN4 Analog Mic Resistor", "10 kOhm", "MIC4M Input Mux"}, 537 {"IN4 Analog Mic Resistor", "20 kOhm", "MIC4M Input Mux"}, 538 539 {"PDM Clk Div Select", "2.8224 MHz", "MIC1P Input Mux"}, 540 {"PDM Clk Div Select", "1.4112 MHz", "MIC1P Input Mux"}, 541 {"PDM Clk Div Select", "705.6 kHz", "MIC1P Input Mux"}, 542 {"PDM Clk Div Select", "5.6448 MHz", "MIC1P Input Mux"}, 543 544 {"MIC1 Analog Mux", "Line In", "MIC1P"}, 545 {"MIC2 Analog Mux", "Line In", "MIC2P"}, 546 {"MIC3 Analog Mux", "Line In", "MIC3P"}, 547 {"MIC4 Analog Mux", "Line In", "MIC4P"}, 548 549 {"MIC1P Input Mux", "Analog", "MIC1P"}, 550 {"MIC1M Input Mux", "Analog", "MIC1M"}, 551 {"MIC2P Input Mux", "Analog", "MIC2P"}, 552 {"MIC2M Input Mux", "Analog", "MIC2M"}, 553 {"MIC3P Input Mux", "Analog", "MIC3P"}, 554 {"MIC3M Input Mux", "Analog", "MIC3M"}, 555 {"MIC4P Input Mux", "Analog", "MIC4P"}, 556 {"MIC4M Input Mux", "Analog", "MIC4M"}, 557 }; 558 559 static const struct snd_kcontrol_new adcx140_snd_controls[] = { 560 SOC_SINGLE_TLV("Analog CH1 Mic Gain Volume", ADCX140_CH1_CFG1, 2, 42, 0, 561 adc_tlv), 562 SOC_SINGLE_TLV("Analog CH2 Mic Gain Volume", ADCX140_CH2_CFG1, 2, 42, 0, 563 adc_tlv), 564 SOC_SINGLE_TLV("Analog CH3 Mic Gain Volume", ADCX140_CH3_CFG1, 2, 42, 0, 565 adc_tlv), 566 SOC_SINGLE_TLV("Analog CH4 Mic Gain Volume", ADCX140_CH4_CFG1, 2, 42, 0, 567 adc_tlv), 568 569 SOC_SINGLE_TLV("DRE Threshold", ADCX140_DRE_CFG0, 4, 9, 0, 570 dre_thresh_tlv), 571 SOC_SINGLE_TLV("DRE Max Gain", ADCX140_DRE_CFG0, 0, 12, 0, 572 dre_gain_tlv), 573 574 SOC_SINGLE_TLV("AGC Threshold", ADCX140_AGC_CFG0, 4, 15, 0, 575 agc_thresh_tlv), 576 SOC_SINGLE_TLV("AGC Max Gain", ADCX140_AGC_CFG0, 0, 13, 0, 577 agc_gain_tlv), 578 579 SOC_SINGLE_TLV("Digital CH1 Out Volume", ADCX140_CH1_CFG2, 580 0, 0xff, 0, dig_vol_tlv), 581 SOC_SINGLE_TLV("Digital CH2 Out Volume", ADCX140_CH2_CFG2, 582 0, 0xff, 0, dig_vol_tlv), 583 SOC_SINGLE_TLV("Digital CH3 Out Volume", ADCX140_CH3_CFG2, 584 0, 0xff, 0, dig_vol_tlv), 585 SOC_SINGLE_TLV("Digital CH4 Out Volume", ADCX140_CH4_CFG2, 586 0, 0xff, 0, dig_vol_tlv), 587 SOC_SINGLE_TLV("Digital CH5 Out Volume", ADCX140_CH5_CFG2, 588 0, 0xff, 0, dig_vol_tlv), 589 SOC_SINGLE_TLV("Digital CH6 Out Volume", ADCX140_CH6_CFG2, 590 0, 0xff, 0, dig_vol_tlv), 591 SOC_SINGLE_TLV("Digital CH7 Out Volume", ADCX140_CH7_CFG2, 592 0, 0xff, 0, dig_vol_tlv), 593 SOC_SINGLE_TLV("Digital CH8 Out Volume", ADCX140_CH8_CFG2, 594 0, 0xff, 0, dig_vol_tlv), 595 }; 596 597 static int adcx140_reset(struct adcx140_priv *adcx140) 598 { 599 int ret = 0; 600 601 if (adcx140->gpio_reset) { 602 gpiod_direction_output(adcx140->gpio_reset, 0); 603 /* 8.4.1: wait for hw shutdown (25ms) + >= 1ms */ 604 usleep_range(30000, 100000); 605 gpiod_direction_output(adcx140->gpio_reset, 1); 606 } else { 607 ret = regmap_write(adcx140->regmap, ADCX140_SW_RESET, 608 ADCX140_RESET); 609 } 610 611 /* 8.4.2: wait >= 10 ms after entering sleep mode. */ 612 usleep_range(10000, 100000); 613 614 return ret; 615 } 616 617 static int adcx140_hw_params(struct snd_pcm_substream *substream, 618 struct snd_pcm_hw_params *params, 619 struct snd_soc_dai *dai) 620 { 621 struct snd_soc_component *component = dai->component; 622 u8 data = 0; 623 624 switch (params_width(params)) { 625 case 16: 626 data = ADCX140_16_BIT_WORD; 627 break; 628 case 20: 629 data = ADCX140_20_BIT_WORD; 630 break; 631 case 24: 632 data = ADCX140_24_BIT_WORD; 633 break; 634 case 32: 635 data = ADCX140_32_BIT_WORD; 636 break; 637 default: 638 dev_err(component->dev, "%s: Unsupported width %d\n", 639 __func__, params_width(params)); 640 return -EINVAL; 641 } 642 643 snd_soc_component_update_bits(component, ADCX140_ASI_CFG0, 644 ADCX140_WORD_LEN_MSK, data); 645 646 return 0; 647 } 648 649 static int adcx140_set_dai_fmt(struct snd_soc_dai *codec_dai, 650 unsigned int fmt) 651 { 652 struct snd_soc_component *component = codec_dai->component; 653 struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); 654 u8 iface_reg1 = 0; 655 u8 iface_reg2 = 0; 656 int offset = 0; 657 int width = adcx140->slot_width; 658 659 /* set master/slave audio interface */ 660 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 661 case SND_SOC_DAIFMT_CBM_CFM: 662 iface_reg2 |= ADCX140_BCLK_FSYNC_MASTER; 663 break; 664 case SND_SOC_DAIFMT_CBS_CFS: 665 break; 666 case SND_SOC_DAIFMT_CBS_CFM: 667 case SND_SOC_DAIFMT_CBM_CFS: 668 default: 669 dev_err(component->dev, "Invalid DAI master/slave interface\n"); 670 return -EINVAL; 671 } 672 673 /* signal polarity */ 674 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 675 case SND_SOC_DAIFMT_NB_IF: 676 iface_reg1 |= ADCX140_FSYNCINV_BIT; 677 break; 678 case SND_SOC_DAIFMT_IB_IF: 679 iface_reg1 |= ADCX140_BCLKINV_BIT | ADCX140_FSYNCINV_BIT; 680 break; 681 case SND_SOC_DAIFMT_IB_NF: 682 iface_reg1 |= ADCX140_BCLKINV_BIT; 683 break; 684 case SND_SOC_DAIFMT_NB_NF: 685 break; 686 default: 687 dev_err(component->dev, "Invalid DAI clock signal polarity\n"); 688 return -EINVAL; 689 } 690 691 /* interface format */ 692 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 693 case SND_SOC_DAIFMT_I2S: 694 iface_reg1 |= ADCX140_I2S_MODE_BIT; 695 break; 696 case SND_SOC_DAIFMT_LEFT_J: 697 iface_reg1 |= ADCX140_LEFT_JUST_BIT; 698 break; 699 case SND_SOC_DAIFMT_DSP_A: 700 offset += (adcx140->tdm_delay * width + 1); 701 break; 702 case SND_SOC_DAIFMT_DSP_B: 703 offset += adcx140->tdm_delay * width; 704 break; 705 default: 706 dev_err(component->dev, "Invalid DAI interface format\n"); 707 return -EINVAL; 708 } 709 710 adcx140->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK; 711 712 snd_soc_component_update_bits(component, ADCX140_ASI_CFG0, 713 ADCX140_FSYNCINV_BIT | 714 ADCX140_BCLKINV_BIT | 715 ADCX140_ASI_FORMAT_MSK, 716 iface_reg1); 717 snd_soc_component_update_bits(component, ADCX140_MST_CFG0, 718 ADCX140_BCLK_FSYNC_MASTER, iface_reg2); 719 720 /* Configure data offset */ 721 snd_soc_component_update_bits(component, ADCX140_ASI_CFG1, 722 ADCX140_TX_OFFSET_MASK, offset); 723 724 725 return 0; 726 } 727 728 static int adcx140_set_dai_tdm_slot(struct snd_soc_dai *codec_dai, 729 unsigned int tx_mask, unsigned int rx_mask, 730 int slots, int slot_width) 731 { 732 struct snd_soc_component *component = codec_dai->component; 733 struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); 734 unsigned int lsb; 735 736 /* TDM based on DSP mode requires slots to be adjacent */ 737 lsb = __ffs(tx_mask); 738 if ((lsb + 1) != __fls(tx_mask)) { 739 dev_err(component->dev, "Invalid mask, slots must be adjacent\n"); 740 return -EINVAL; 741 } 742 743 switch (slot_width) { 744 case 16: 745 case 20: 746 case 24: 747 case 32: 748 break; 749 default: 750 dev_err(component->dev, "Unsupported slot width %d\n", slot_width); 751 return -EINVAL; 752 } 753 754 adcx140->tdm_delay = lsb; 755 adcx140->slot_width = slot_width; 756 757 return 0; 758 } 759 760 static const struct snd_soc_dai_ops adcx140_dai_ops = { 761 .hw_params = adcx140_hw_params, 762 .set_fmt = adcx140_set_dai_fmt, 763 .set_tdm_slot = adcx140_set_dai_tdm_slot, 764 }; 765 766 static int adcx140_configure_gpo(struct adcx140_priv *adcx140) 767 { 768 u32 gpo_outputs[ADCX140_NUM_GPOS]; 769 u32 gpo_output_val = 0; 770 int ret; 771 int i; 772 773 for (i = 0; i < ADCX140_NUM_GPOS; i++) { 774 ret = device_property_read_u32_array(adcx140->dev, 775 gpo_config_names[i], 776 gpo_outputs, 777 ADCX140_NUM_GPO_CFGS); 778 if (ret) 779 continue; 780 781 if (gpo_outputs[0] > ADCX140_GPO_CFG_MAX) { 782 dev_err(adcx140->dev, "GPO%d config out of range\n", i + 1); 783 return -EINVAL; 784 } 785 786 if (gpo_outputs[1] > ADCX140_GPO_DRV_MAX) { 787 dev_err(adcx140->dev, "GPO%d drive out of range\n", i + 1); 788 return -EINVAL; 789 } 790 791 gpo_output_val = gpo_outputs[0] << ADCX140_GPO_SHIFT | 792 gpo_outputs[1]; 793 ret = regmap_write(adcx140->regmap, ADCX140_GPO_CFG0 + i, 794 gpo_output_val); 795 if (ret) 796 return ret; 797 } 798 799 return 0; 800 801 } 802 803 static int adcx140_codec_probe(struct snd_soc_component *component) 804 { 805 struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); 806 int sleep_cfg_val = ADCX140_WAKE_DEV; 807 u32 bias_source; 808 u32 vref_source; 809 u8 bias_cfg; 810 int pdm_count; 811 u32 pdm_edges[ADCX140_NUM_PDM_EDGES]; 812 u32 pdm_edge_val = 0; 813 int gpi_count; 814 u32 gpi_inputs[ADCX140_NUM_GPI_PINS]; 815 u32 gpi_input_val = 0; 816 int i; 817 int ret; 818 819 ret = device_property_read_u32(adcx140->dev, "ti,mic-bias-source", 820 &bias_source); 821 if (ret) 822 bias_source = ADCX140_MIC_BIAS_VAL_VREF; 823 824 if (bias_source > ADCX140_MIC_BIAS_VAL_AVDD) { 825 dev_err(adcx140->dev, "Mic Bias source value is invalid\n"); 826 return -EINVAL; 827 } 828 829 ret = device_property_read_u32(adcx140->dev, "ti,vref-source", 830 &vref_source); 831 if (ret) 832 vref_source = ADCX140_MIC_BIAS_VREF_275V; 833 834 if (vref_source > ADCX140_MIC_BIAS_VREF_1375V) { 835 dev_err(adcx140->dev, "Mic Bias source value is invalid\n"); 836 return -EINVAL; 837 } 838 839 bias_cfg = bias_source << ADCX140_MIC_BIAS_SHIFT | vref_source; 840 841 ret = adcx140_reset(adcx140); 842 if (ret) 843 goto out; 844 845 pdm_count = device_property_count_u32(adcx140->dev, 846 "ti,pdm-edge-select"); 847 if (pdm_count <= ADCX140_NUM_PDM_EDGES && pdm_count > 0) { 848 ret = device_property_read_u32_array(adcx140->dev, 849 "ti,pdm-edge-select", 850 pdm_edges, pdm_count); 851 if (ret) 852 return ret; 853 854 for (i = 0; i < pdm_count; i++) 855 pdm_edge_val |= pdm_edges[i] << (ADCX140_PDM_EDGE_SHIFT - i); 856 857 ret = regmap_write(adcx140->regmap, ADCX140_PDM_CFG, 858 pdm_edge_val); 859 if (ret) 860 return ret; 861 } 862 863 gpi_count = device_property_count_u32(adcx140->dev, "ti,gpi-config"); 864 if (gpi_count <= ADCX140_NUM_GPI_PINS && gpi_count > 0) { 865 ret = device_property_read_u32_array(adcx140->dev, 866 "ti,gpi-config", 867 gpi_inputs, gpi_count); 868 if (ret) 869 return ret; 870 871 gpi_input_val = gpi_inputs[ADCX140_GPI1_INDEX] << ADCX140_GPI_SHIFT | 872 gpi_inputs[ADCX140_GPI2_INDEX]; 873 874 ret = regmap_write(adcx140->regmap, ADCX140_GPI_CFG0, 875 gpi_input_val); 876 if (ret) 877 return ret; 878 879 gpi_input_val = gpi_inputs[ADCX140_GPI3_INDEX] << ADCX140_GPI_SHIFT | 880 gpi_inputs[ADCX140_GPI4_INDEX]; 881 882 ret = regmap_write(adcx140->regmap, ADCX140_GPI_CFG1, 883 gpi_input_val); 884 if (ret) 885 return ret; 886 } 887 888 ret = adcx140_configure_gpo(adcx140); 889 if (ret) 890 goto out; 891 892 if (adcx140->supply_areg == NULL) 893 sleep_cfg_val |= ADCX140_AREG_INTERNAL; 894 895 ret = regmap_write(adcx140->regmap, ADCX140_SLEEP_CFG, sleep_cfg_val); 896 if (ret) { 897 dev_err(adcx140->dev, "setting sleep config failed %d\n", ret); 898 goto out; 899 } 900 901 /* 8.4.3: Wait >= 1ms after entering active mode. */ 902 usleep_range(1000, 100000); 903 904 ret = regmap_update_bits(adcx140->regmap, ADCX140_BIAS_CFG, 905 ADCX140_MIC_BIAS_VAL_MSK | 906 ADCX140_MIC_BIAS_VREF_MSK, bias_cfg); 907 if (ret) 908 dev_err(adcx140->dev, "setting MIC bias failed %d\n", ret); 909 out: 910 return ret; 911 } 912 913 static int adcx140_set_bias_level(struct snd_soc_component *component, 914 enum snd_soc_bias_level level) 915 { 916 struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); 917 int pwr_cfg = 0; 918 919 switch (level) { 920 case SND_SOC_BIAS_ON: 921 case SND_SOC_BIAS_PREPARE: 922 case SND_SOC_BIAS_STANDBY: 923 pwr_cfg = ADCX140_PWR_CFG_BIAS_PDZ | ADCX140_PWR_CFG_PLL_PDZ | 924 ADCX140_PWR_CFG_ADC_PDZ; 925 break; 926 case SND_SOC_BIAS_OFF: 927 pwr_cfg = 0x0; 928 break; 929 } 930 931 return regmap_write(adcx140->regmap, ADCX140_PWR_CFG, pwr_cfg); 932 } 933 934 static const struct snd_soc_component_driver soc_codec_driver_adcx140 = { 935 .probe = adcx140_codec_probe, 936 .set_bias_level = adcx140_set_bias_level, 937 .controls = adcx140_snd_controls, 938 .num_controls = ARRAY_SIZE(adcx140_snd_controls), 939 .dapm_widgets = adcx140_dapm_widgets, 940 .num_dapm_widgets = ARRAY_SIZE(adcx140_dapm_widgets), 941 .dapm_routes = adcx140_audio_map, 942 .num_dapm_routes = ARRAY_SIZE(adcx140_audio_map), 943 .suspend_bias_off = 1, 944 .idle_bias_on = 0, 945 .use_pmdown_time = 1, 946 .endianness = 1, 947 .non_legacy_dai_naming = 1, 948 }; 949 950 static struct snd_soc_dai_driver adcx140_dai_driver[] = { 951 { 952 .name = "tlv320adcx140-codec", 953 .capture = { 954 .stream_name = "Capture", 955 .channels_min = 2, 956 .channels_max = ADCX140_MAX_CHANNELS, 957 .rates = ADCX140_RATES, 958 .formats = ADCX140_FORMATS, 959 }, 960 .ops = &adcx140_dai_ops, 961 .symmetric_rates = 1, 962 } 963 }; 964 965 static const struct of_device_id tlv320adcx140_of_match[] = { 966 { .compatible = "ti,tlv320adc3140" }, 967 { .compatible = "ti,tlv320adc5140" }, 968 { .compatible = "ti,tlv320adc6140" }, 969 {}, 970 }; 971 MODULE_DEVICE_TABLE(of, tlv320adcx140_of_match); 972 973 static int adcx140_i2c_probe(struct i2c_client *i2c, 974 const struct i2c_device_id *id) 975 { 976 struct adcx140_priv *adcx140; 977 int ret; 978 979 adcx140 = devm_kzalloc(&i2c->dev, sizeof(*adcx140), GFP_KERNEL); 980 if (!adcx140) 981 return -ENOMEM; 982 983 adcx140->gpio_reset = devm_gpiod_get_optional(adcx140->dev, 984 "reset", GPIOD_OUT_LOW); 985 if (IS_ERR(adcx140->gpio_reset)) 986 dev_info(&i2c->dev, "Reset GPIO not defined\n"); 987 988 adcx140->supply_areg = devm_regulator_get_optional(adcx140->dev, 989 "areg"); 990 if (IS_ERR(adcx140->supply_areg)) { 991 if (PTR_ERR(adcx140->supply_areg) == -EPROBE_DEFER) 992 return -EPROBE_DEFER; 993 994 adcx140->supply_areg = NULL; 995 } else { 996 ret = regulator_enable(adcx140->supply_areg); 997 if (ret) { 998 dev_err(adcx140->dev, "Failed to enable areg\n"); 999 return ret; 1000 } 1001 } 1002 1003 adcx140->regmap = devm_regmap_init_i2c(i2c, &adcx140_i2c_regmap); 1004 if (IS_ERR(adcx140->regmap)) { 1005 ret = PTR_ERR(adcx140->regmap); 1006 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1007 ret); 1008 return ret; 1009 } 1010 adcx140->dev = &i2c->dev; 1011 i2c_set_clientdata(i2c, adcx140); 1012 1013 return devm_snd_soc_register_component(&i2c->dev, 1014 &soc_codec_driver_adcx140, 1015 adcx140_dai_driver, 1); 1016 } 1017 1018 static const struct i2c_device_id adcx140_i2c_id[] = { 1019 { "tlv320adc3140", 0 }, 1020 { "tlv320adc5140", 1 }, 1021 { "tlv320adc6140", 2 }, 1022 {} 1023 }; 1024 MODULE_DEVICE_TABLE(i2c, adcx140_i2c_id); 1025 1026 static struct i2c_driver adcx140_i2c_driver = { 1027 .driver = { 1028 .name = "tlv320adcx140-codec", 1029 .of_match_table = of_match_ptr(tlv320adcx140_of_match), 1030 }, 1031 .probe = adcx140_i2c_probe, 1032 .id_table = adcx140_i2c_id, 1033 }; 1034 module_i2c_driver(adcx140_i2c_driver); 1035 1036 MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>"); 1037 MODULE_DESCRIPTION("ASoC TLV320ADCX140 CODEC Driver"); 1038 MODULE_LICENSE("GPL v2"); 1039