1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // ALSA SoC CX20721/CX20723 codec driver 4 // 5 // Copyright: (C) 2017 Conexant Systems, Inc. 6 // Author: Simon Ho, <Simon.ho@conexant.com> 7 // 8 // TODO: add support for TDM mode. 9 // 10 11 #include <linux/acpi.h> 12 #include <linux/clk.h> 13 #include <linux/delay.h> 14 #include <linux/gpio.h> 15 #include <linux/init.h> 16 #include <linux/i2c.h> 17 #include <linux/module.h> 18 #include <linux/platform_device.h> 19 #include <linux/pm.h> 20 #include <linux/pm_runtime.h> 21 #include <linux/regmap.h> 22 #include <linux/slab.h> 23 #include <sound/core.h> 24 #include <sound/initval.h> 25 #include <sound/jack.h> 26 #include <sound/pcm.h> 27 #include <sound/pcm_params.h> 28 #include <sound/tlv.h> 29 #include <sound/soc.h> 30 #include <sound/soc-dapm.h> 31 #include "cx2072x.h" 32 33 #define PLL_OUT_HZ_48 (1024 * 3 * 48000) 34 #define BITS_PER_SLOT 8 35 36 /* codec private data */ 37 struct cx2072x_priv { 38 struct regmap *regmap; 39 struct clk *mclk; 40 unsigned int mclk_rate; 41 struct device *dev; 42 struct snd_soc_component *codec; 43 struct snd_soc_jack_gpio jack_gpio; 44 struct mutex lock; 45 unsigned int bclk_ratio; 46 bool pll_changed; 47 bool i2spcm_changed; 48 int sample_size; 49 int frame_size; 50 int sample_rate; 51 unsigned int dai_fmt; 52 bool en_aec_ref; 53 }; 54 55 /* 56 * DAC/ADC Volume 57 * 58 * max : 74 : 0 dB 59 * ( in 1 dB step ) 60 * min : 0 : -74 dB 61 */ 62 static const DECLARE_TLV_DB_SCALE(adc_tlv, -7400, 100, 0); 63 static const DECLARE_TLV_DB_SCALE(dac_tlv, -7400, 100, 0); 64 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 1200, 0); 65 66 struct cx2072x_eq_ctrl { 67 u8 ch; 68 u8 band; 69 }; 70 71 static const DECLARE_TLV_DB_RANGE(hpf_tlv, 72 0, 0, TLV_DB_SCALE_ITEM(120, 0, 0), 73 1, 63, TLV_DB_SCALE_ITEM(30, 30, 0) 74 ); 75 76 /* Lookup table for PRE_DIV */ 77 static const struct { 78 unsigned int mclk; 79 unsigned int div; 80 } mclk_pre_div[] = { 81 { 6144000, 1 }, 82 { 12288000, 2 }, 83 { 19200000, 3 }, 84 { 26000000, 4 }, 85 { 28224000, 5 }, 86 { 36864000, 6 }, 87 { 36864000, 7 }, 88 { 48000000, 8 }, 89 { 49152000, 8 }, 90 }; 91 92 /* 93 * cx2072x register cache. 94 */ 95 static const struct reg_default cx2072x_reg_defaults[] = { 96 { CX2072X_AFG_POWER_STATE, 0x00000003 }, 97 { CX2072X_UM_RESPONSE, 0x00000000 }, 98 { CX2072X_GPIO_DATA, 0x00000000 }, 99 { CX2072X_GPIO_ENABLE, 0x00000000 }, 100 { CX2072X_GPIO_DIRECTION, 0x00000000 }, 101 { CX2072X_GPIO_WAKE, 0x00000000 }, 102 { CX2072X_GPIO_UM_ENABLE, 0x00000000 }, 103 { CX2072X_GPIO_STICKY_MASK, 0x00000000 }, 104 { CX2072X_DAC1_CONVERTER_FORMAT, 0x00000031 }, 105 { CX2072X_DAC1_AMP_GAIN_RIGHT, 0x0000004a }, 106 { CX2072X_DAC1_AMP_GAIN_LEFT, 0x0000004a }, 107 { CX2072X_DAC1_POWER_STATE, 0x00000433 }, 108 { CX2072X_DAC1_CONVERTER_STREAM_CHANNEL, 0x00000000 }, 109 { CX2072X_DAC1_EAPD_ENABLE, 0x00000000 }, 110 { CX2072X_DAC2_CONVERTER_FORMAT, 0x00000031 }, 111 { CX2072X_DAC2_AMP_GAIN_RIGHT, 0x0000004a }, 112 { CX2072X_DAC2_AMP_GAIN_LEFT, 0x0000004a }, 113 { CX2072X_DAC2_POWER_STATE, 0x00000433 }, 114 { CX2072X_DAC2_CONVERTER_STREAM_CHANNEL, 0x00000000 }, 115 { CX2072X_ADC1_CONVERTER_FORMAT, 0x00000031 }, 116 { CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0x0000004a }, 117 { CX2072X_ADC1_AMP_GAIN_LEFT_0, 0x0000004a }, 118 { CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0x0000004a }, 119 { CX2072X_ADC1_AMP_GAIN_LEFT_1, 0x0000004a }, 120 { CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0x0000004a }, 121 { CX2072X_ADC1_AMP_GAIN_LEFT_2, 0x0000004a }, 122 { CX2072X_ADC1_AMP_GAIN_RIGHT_3, 0x0000004a }, 123 { CX2072X_ADC1_AMP_GAIN_LEFT_3, 0x0000004a }, 124 { CX2072X_ADC1_AMP_GAIN_RIGHT_4, 0x0000004a }, 125 { CX2072X_ADC1_AMP_GAIN_LEFT_4, 0x0000004a }, 126 { CX2072X_ADC1_AMP_GAIN_RIGHT_5, 0x0000004a }, 127 { CX2072X_ADC1_AMP_GAIN_LEFT_5, 0x0000004a }, 128 { CX2072X_ADC1_AMP_GAIN_RIGHT_6, 0x0000004a }, 129 { CX2072X_ADC1_AMP_GAIN_LEFT_6, 0x0000004a }, 130 { CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0x00000000 }, 131 { CX2072X_ADC1_POWER_STATE, 0x00000433 }, 132 { CX2072X_ADC1_CONVERTER_STREAM_CHANNEL, 0x00000000 }, 133 { CX2072X_ADC2_CONVERTER_FORMAT, 0x00000031 }, 134 { CX2072X_ADC2_AMP_GAIN_RIGHT_0, 0x0000004a }, 135 { CX2072X_ADC2_AMP_GAIN_LEFT_0, 0x0000004a }, 136 { CX2072X_ADC2_AMP_GAIN_RIGHT_1, 0x0000004a }, 137 { CX2072X_ADC2_AMP_GAIN_LEFT_1, 0x0000004a }, 138 { CX2072X_ADC2_AMP_GAIN_RIGHT_2, 0x0000004a }, 139 { CX2072X_ADC2_AMP_GAIN_LEFT_2, 0x0000004a }, 140 { CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0x00000000 }, 141 { CX2072X_ADC2_POWER_STATE, 0x00000433 }, 142 { CX2072X_ADC2_CONVERTER_STREAM_CHANNEL, 0x00000000 }, 143 { CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0x00000000 }, 144 { CX2072X_PORTA_POWER_STATE, 0x00000433 }, 145 { CX2072X_PORTA_PIN_CTRL, 0x000000c0 }, 146 { CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x00000000 }, 147 { CX2072X_PORTA_PIN_SENSE, 0x00000000 }, 148 { CX2072X_PORTA_EAPD_BTL, 0x00000002 }, 149 { CX2072X_PORTB_POWER_STATE, 0x00000433 }, 150 { CX2072X_PORTB_PIN_CTRL, 0x00000000 }, 151 { CX2072X_PORTB_UNSOLICITED_RESPONSE, 0x00000000 }, 152 { CX2072X_PORTB_PIN_SENSE, 0x00000000 }, 153 { CX2072X_PORTB_EAPD_BTL, 0x00000002 }, 154 { CX2072X_PORTB_GAIN_RIGHT, 0x00000000 }, 155 { CX2072X_PORTB_GAIN_LEFT, 0x00000000 }, 156 { CX2072X_PORTC_POWER_STATE, 0x00000433 }, 157 { CX2072X_PORTC_PIN_CTRL, 0x00000000 }, 158 { CX2072X_PORTC_GAIN_RIGHT, 0x00000000 }, 159 { CX2072X_PORTC_GAIN_LEFT, 0x00000000 }, 160 { CX2072X_PORTD_POWER_STATE, 0x00000433 }, 161 { CX2072X_PORTD_PIN_CTRL, 0x00000020 }, 162 { CX2072X_PORTD_UNSOLICITED_RESPONSE, 0x00000000 }, 163 { CX2072X_PORTD_PIN_SENSE, 0x00000000 }, 164 { CX2072X_PORTD_GAIN_RIGHT, 0x00000000 }, 165 { CX2072X_PORTD_GAIN_LEFT, 0x00000000 }, 166 { CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0x00000000 }, 167 { CX2072X_PORTE_POWER_STATE, 0x00000433 }, 168 { CX2072X_PORTE_PIN_CTRL, 0x00000040 }, 169 { CX2072X_PORTE_UNSOLICITED_RESPONSE, 0x00000000 }, 170 { CX2072X_PORTE_PIN_SENSE, 0x00000000 }, 171 { CX2072X_PORTE_EAPD_BTL, 0x00000002 }, 172 { CX2072X_PORTE_GAIN_RIGHT, 0x00000000 }, 173 { CX2072X_PORTE_GAIN_LEFT, 0x00000000 }, 174 { CX2072X_PORTF_POWER_STATE, 0x00000433 }, 175 { CX2072X_PORTF_PIN_CTRL, 0x00000000 }, 176 { CX2072X_PORTF_UNSOLICITED_RESPONSE, 0x00000000 }, 177 { CX2072X_PORTF_PIN_SENSE, 0x00000000 }, 178 { CX2072X_PORTF_GAIN_RIGHT, 0x00000000 }, 179 { CX2072X_PORTF_GAIN_LEFT, 0x00000000 }, 180 { CX2072X_PORTG_POWER_STATE, 0x00000433 }, 181 { CX2072X_PORTG_PIN_CTRL, 0x00000040 }, 182 { CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0x00000000 }, 183 { CX2072X_PORTG_EAPD_BTL, 0x00000002 }, 184 { CX2072X_PORTM_POWER_STATE, 0x00000433 }, 185 { CX2072X_PORTM_PIN_CTRL, 0x00000000 }, 186 { CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0x00000000 }, 187 { CX2072X_PORTM_EAPD_BTL, 0x00000002 }, 188 { CX2072X_MIXER_POWER_STATE, 0x00000433 }, 189 { CX2072X_MIXER_GAIN_RIGHT_0, 0x0000004a }, 190 { CX2072X_MIXER_GAIN_LEFT_0, 0x0000004a }, 191 { CX2072X_MIXER_GAIN_RIGHT_1, 0x0000004a }, 192 { CX2072X_MIXER_GAIN_LEFT_1, 0x0000004a }, 193 { CX2072X_SPKR_DRC_ENABLE_STEP, 0x040065a4 }, 194 { CX2072X_SPKR_DRC_CONTROL, 0x007b0024 }, 195 { CX2072X_SPKR_DRC_TEST, 0x00000000 }, 196 { CX2072X_DIGITAL_BIOS_TEST0, 0x001f008a }, 197 { CX2072X_DIGITAL_BIOS_TEST2, 0x00990026 }, 198 { CX2072X_I2SPCM_CONTROL1, 0x00010001 }, 199 { CX2072X_I2SPCM_CONTROL2, 0x00000000 }, 200 { CX2072X_I2SPCM_CONTROL3, 0x00000000 }, 201 { CX2072X_I2SPCM_CONTROL4, 0x00000000 }, 202 { CX2072X_I2SPCM_CONTROL5, 0x00000000 }, 203 { CX2072X_I2SPCM_CONTROL6, 0x00000000 }, 204 { CX2072X_UM_INTERRUPT_CRTL_E, 0x00000000 }, 205 { CX2072X_CODEC_TEST2, 0x00000000 }, 206 { CX2072X_CODEC_TEST9, 0x00000004 }, 207 { CX2072X_CODEC_TEST20, 0x00000600 }, 208 { CX2072X_CODEC_TEST26, 0x00000208 }, 209 { CX2072X_ANALOG_TEST4, 0x00000000 }, 210 { CX2072X_ANALOG_TEST5, 0x00000000 }, 211 { CX2072X_ANALOG_TEST6, 0x0000059a }, 212 { CX2072X_ANALOG_TEST7, 0x000000a7 }, 213 { CX2072X_ANALOG_TEST8, 0x00000017 }, 214 { CX2072X_ANALOG_TEST9, 0x00000000 }, 215 { CX2072X_ANALOG_TEST10, 0x00000285 }, 216 { CX2072X_ANALOG_TEST11, 0x00000000 }, 217 { CX2072X_ANALOG_TEST12, 0x00000000 }, 218 { CX2072X_ANALOG_TEST13, 0x00000000 }, 219 { CX2072X_DIGITAL_TEST1, 0x00000242 }, 220 { CX2072X_DIGITAL_TEST11, 0x00000000 }, 221 { CX2072X_DIGITAL_TEST12, 0x00000084 }, 222 { CX2072X_DIGITAL_TEST15, 0x00000077 }, 223 { CX2072X_DIGITAL_TEST16, 0x00000021 }, 224 { CX2072X_DIGITAL_TEST17, 0x00000018 }, 225 { CX2072X_DIGITAL_TEST18, 0x00000024 }, 226 { CX2072X_DIGITAL_TEST19, 0x00000001 }, 227 { CX2072X_DIGITAL_TEST20, 0x00000002 }, 228 }; 229 230 /* 231 * register initialization 232 */ 233 static const struct reg_sequence cx2072x_reg_init[] = { 234 { CX2072X_ANALOG_TEST9, 0x080 }, /* DC offset Calibration */ 235 { CX2072X_CODEC_TEST26, 0x65f }, /* Disable the PA */ 236 { CX2072X_ANALOG_TEST10, 0x289 }, /* Set the speaker output gain */ 237 { CX2072X_CODEC_TEST20, 0xf05 }, 238 { CX2072X_CODEC_TESTXX, 0x380 }, 239 { CX2072X_CODEC_TEST26, 0xb90 }, 240 { CX2072X_CODEC_TEST9, 0x001 }, /* Enable 30 Hz High pass filter */ 241 { CX2072X_ANALOG_TEST3, 0x300 }, /* Disable PCBEEP pad */ 242 { CX2072X_CODEC_TEST24, 0x100 }, /* Disable SnM mode */ 243 { CX2072X_PORTD_PIN_CTRL, 0x020 }, /* Enable PortD input */ 244 { CX2072X_GPIO_ENABLE, 0x040 }, /* Enable GPIO7 pin for button */ 245 { CX2072X_GPIO_UM_ENABLE, 0x040 }, /* Enable UM for GPIO7 */ 246 { CX2072X_UM_RESPONSE, 0x080 }, /* Enable button response */ 247 { CX2072X_DIGITAL_TEST12, 0x0c4 }, /* Enable headset button */ 248 { CX2072X_DIGITAL_TEST0, 0x415 }, /* Power down class-D during idle */ 249 { CX2072X_I2SPCM_CONTROL2, 0x00f }, /* Enable I2S TX */ 250 { CX2072X_I2SPCM_CONTROL3, 0x00f }, /* Enable I2S RX */ 251 }; 252 253 static unsigned int cx2072x_register_size(unsigned int reg) 254 { 255 switch (reg) { 256 case CX2072X_VENDOR_ID: 257 case CX2072X_REVISION_ID: 258 case CX2072X_PORTA_PIN_SENSE: 259 case CX2072X_PORTB_PIN_SENSE: 260 case CX2072X_PORTD_PIN_SENSE: 261 case CX2072X_PORTE_PIN_SENSE: 262 case CX2072X_PORTF_PIN_SENSE: 263 case CX2072X_I2SPCM_CONTROL1: 264 case CX2072X_I2SPCM_CONTROL2: 265 case CX2072X_I2SPCM_CONTROL3: 266 case CX2072X_I2SPCM_CONTROL4: 267 case CX2072X_I2SPCM_CONTROL5: 268 case CX2072X_I2SPCM_CONTROL6: 269 case CX2072X_UM_INTERRUPT_CRTL_E: 270 case CX2072X_EQ_G_COEFF: 271 case CX2072X_SPKR_DRC_CONTROL: 272 case CX2072X_SPKR_DRC_TEST: 273 case CX2072X_DIGITAL_BIOS_TEST0: 274 case CX2072X_DIGITAL_BIOS_TEST2: 275 return 4; 276 case CX2072X_EQ_ENABLE_BYPASS: 277 case CX2072X_EQ_B0_COEFF: 278 case CX2072X_EQ_B1_COEFF: 279 case CX2072X_EQ_B2_COEFF: 280 case CX2072X_EQ_A1_COEFF: 281 case CX2072X_EQ_A2_COEFF: 282 case CX2072X_DAC1_CONVERTER_FORMAT: 283 case CX2072X_DAC2_CONVERTER_FORMAT: 284 case CX2072X_ADC1_CONVERTER_FORMAT: 285 case CX2072X_ADC2_CONVERTER_FORMAT: 286 case CX2072X_CODEC_TEST2: 287 case CX2072X_CODEC_TEST9: 288 case CX2072X_CODEC_TEST20: 289 case CX2072X_CODEC_TEST26: 290 case CX2072X_ANALOG_TEST3: 291 case CX2072X_ANALOG_TEST4: 292 case CX2072X_ANALOG_TEST5: 293 case CX2072X_ANALOG_TEST6: 294 case CX2072X_ANALOG_TEST7: 295 case CX2072X_ANALOG_TEST8: 296 case CX2072X_ANALOG_TEST9: 297 case CX2072X_ANALOG_TEST10: 298 case CX2072X_ANALOG_TEST11: 299 case CX2072X_ANALOG_TEST12: 300 case CX2072X_ANALOG_TEST13: 301 case CX2072X_DIGITAL_TEST0: 302 case CX2072X_DIGITAL_TEST1: 303 case CX2072X_DIGITAL_TEST11: 304 case CX2072X_DIGITAL_TEST12: 305 case CX2072X_DIGITAL_TEST15: 306 case CX2072X_DIGITAL_TEST16: 307 case CX2072X_DIGITAL_TEST17: 308 case CX2072X_DIGITAL_TEST18: 309 case CX2072X_DIGITAL_TEST19: 310 case CX2072X_DIGITAL_TEST20: 311 return 2; 312 default: 313 return 1; 314 } 315 } 316 317 static bool cx2072x_readable_register(struct device *dev, unsigned int reg) 318 { 319 switch (reg) { 320 case CX2072X_VENDOR_ID: 321 case CX2072X_REVISION_ID: 322 case CX2072X_CURRENT_BCLK_FREQUENCY: 323 case CX2072X_AFG_POWER_STATE: 324 case CX2072X_UM_RESPONSE: 325 case CX2072X_GPIO_DATA: 326 case CX2072X_GPIO_ENABLE: 327 case CX2072X_GPIO_DIRECTION: 328 case CX2072X_GPIO_WAKE: 329 case CX2072X_GPIO_UM_ENABLE: 330 case CX2072X_GPIO_STICKY_MASK: 331 case CX2072X_DAC1_CONVERTER_FORMAT: 332 case CX2072X_DAC1_AMP_GAIN_RIGHT: 333 case CX2072X_DAC1_AMP_GAIN_LEFT: 334 case CX2072X_DAC1_POWER_STATE: 335 case CX2072X_DAC1_CONVERTER_STREAM_CHANNEL: 336 case CX2072X_DAC1_EAPD_ENABLE: 337 case CX2072X_DAC2_CONVERTER_FORMAT: 338 case CX2072X_DAC2_AMP_GAIN_RIGHT: 339 case CX2072X_DAC2_AMP_GAIN_LEFT: 340 case CX2072X_DAC2_POWER_STATE: 341 case CX2072X_DAC2_CONVERTER_STREAM_CHANNEL: 342 case CX2072X_ADC1_CONVERTER_FORMAT: 343 case CX2072X_ADC1_AMP_GAIN_RIGHT_0: 344 case CX2072X_ADC1_AMP_GAIN_LEFT_0: 345 case CX2072X_ADC1_AMP_GAIN_RIGHT_1: 346 case CX2072X_ADC1_AMP_GAIN_LEFT_1: 347 case CX2072X_ADC1_AMP_GAIN_RIGHT_2: 348 case CX2072X_ADC1_AMP_GAIN_LEFT_2: 349 case CX2072X_ADC1_AMP_GAIN_RIGHT_3: 350 case CX2072X_ADC1_AMP_GAIN_LEFT_3: 351 case CX2072X_ADC1_AMP_GAIN_RIGHT_4: 352 case CX2072X_ADC1_AMP_GAIN_LEFT_4: 353 case CX2072X_ADC1_AMP_GAIN_RIGHT_5: 354 case CX2072X_ADC1_AMP_GAIN_LEFT_5: 355 case CX2072X_ADC1_AMP_GAIN_RIGHT_6: 356 case CX2072X_ADC1_AMP_GAIN_LEFT_6: 357 case CX2072X_ADC1_CONNECTION_SELECT_CONTROL: 358 case CX2072X_ADC1_POWER_STATE: 359 case CX2072X_ADC1_CONVERTER_STREAM_CHANNEL: 360 case CX2072X_ADC2_CONVERTER_FORMAT: 361 case CX2072X_ADC2_AMP_GAIN_RIGHT_0: 362 case CX2072X_ADC2_AMP_GAIN_LEFT_0: 363 case CX2072X_ADC2_AMP_GAIN_RIGHT_1: 364 case CX2072X_ADC2_AMP_GAIN_LEFT_1: 365 case CX2072X_ADC2_AMP_GAIN_RIGHT_2: 366 case CX2072X_ADC2_AMP_GAIN_LEFT_2: 367 case CX2072X_ADC2_CONNECTION_SELECT_CONTROL: 368 case CX2072X_ADC2_POWER_STATE: 369 case CX2072X_ADC2_CONVERTER_STREAM_CHANNEL: 370 case CX2072X_PORTA_CONNECTION_SELECT_CTRL: 371 case CX2072X_PORTA_POWER_STATE: 372 case CX2072X_PORTA_PIN_CTRL: 373 case CX2072X_PORTA_UNSOLICITED_RESPONSE: 374 case CX2072X_PORTA_PIN_SENSE: 375 case CX2072X_PORTA_EAPD_BTL: 376 case CX2072X_PORTB_POWER_STATE: 377 case CX2072X_PORTB_PIN_CTRL: 378 case CX2072X_PORTB_UNSOLICITED_RESPONSE: 379 case CX2072X_PORTB_PIN_SENSE: 380 case CX2072X_PORTB_EAPD_BTL: 381 case CX2072X_PORTB_GAIN_RIGHT: 382 case CX2072X_PORTB_GAIN_LEFT: 383 case CX2072X_PORTC_POWER_STATE: 384 case CX2072X_PORTC_PIN_CTRL: 385 case CX2072X_PORTC_GAIN_RIGHT: 386 case CX2072X_PORTC_GAIN_LEFT: 387 case CX2072X_PORTD_POWER_STATE: 388 case CX2072X_PORTD_PIN_CTRL: 389 case CX2072X_PORTD_UNSOLICITED_RESPONSE: 390 case CX2072X_PORTD_PIN_SENSE: 391 case CX2072X_PORTD_GAIN_RIGHT: 392 case CX2072X_PORTD_GAIN_LEFT: 393 case CX2072X_PORTE_CONNECTION_SELECT_CTRL: 394 case CX2072X_PORTE_POWER_STATE: 395 case CX2072X_PORTE_PIN_CTRL: 396 case CX2072X_PORTE_UNSOLICITED_RESPONSE: 397 case CX2072X_PORTE_PIN_SENSE: 398 case CX2072X_PORTE_EAPD_BTL: 399 case CX2072X_PORTE_GAIN_RIGHT: 400 case CX2072X_PORTE_GAIN_LEFT: 401 case CX2072X_PORTF_POWER_STATE: 402 case CX2072X_PORTF_PIN_CTRL: 403 case CX2072X_PORTF_UNSOLICITED_RESPONSE: 404 case CX2072X_PORTF_PIN_SENSE: 405 case CX2072X_PORTF_GAIN_RIGHT: 406 case CX2072X_PORTF_GAIN_LEFT: 407 case CX2072X_PORTG_POWER_STATE: 408 case CX2072X_PORTG_PIN_CTRL: 409 case CX2072X_PORTG_CONNECTION_SELECT_CTRL: 410 case CX2072X_PORTG_EAPD_BTL: 411 case CX2072X_PORTM_POWER_STATE: 412 case CX2072X_PORTM_PIN_CTRL: 413 case CX2072X_PORTM_CONNECTION_SELECT_CTRL: 414 case CX2072X_PORTM_EAPD_BTL: 415 case CX2072X_MIXER_POWER_STATE: 416 case CX2072X_MIXER_GAIN_RIGHT_0: 417 case CX2072X_MIXER_GAIN_LEFT_0: 418 case CX2072X_MIXER_GAIN_RIGHT_1: 419 case CX2072X_MIXER_GAIN_LEFT_1: 420 case CX2072X_EQ_ENABLE_BYPASS: 421 case CX2072X_EQ_B0_COEFF: 422 case CX2072X_EQ_B1_COEFF: 423 case CX2072X_EQ_B2_COEFF: 424 case CX2072X_EQ_A1_COEFF: 425 case CX2072X_EQ_A2_COEFF: 426 case CX2072X_EQ_G_COEFF: 427 case CX2072X_SPKR_DRC_ENABLE_STEP: 428 case CX2072X_SPKR_DRC_CONTROL: 429 case CX2072X_SPKR_DRC_TEST: 430 case CX2072X_DIGITAL_BIOS_TEST0: 431 case CX2072X_DIGITAL_BIOS_TEST2: 432 case CX2072X_I2SPCM_CONTROL1: 433 case CX2072X_I2SPCM_CONTROL2: 434 case CX2072X_I2SPCM_CONTROL3: 435 case CX2072X_I2SPCM_CONTROL4: 436 case CX2072X_I2SPCM_CONTROL5: 437 case CX2072X_I2SPCM_CONTROL6: 438 case CX2072X_UM_INTERRUPT_CRTL_E: 439 case CX2072X_CODEC_TEST2: 440 case CX2072X_CODEC_TEST9: 441 case CX2072X_CODEC_TEST20: 442 case CX2072X_CODEC_TEST26: 443 case CX2072X_ANALOG_TEST4: 444 case CX2072X_ANALOG_TEST5: 445 case CX2072X_ANALOG_TEST6: 446 case CX2072X_ANALOG_TEST7: 447 case CX2072X_ANALOG_TEST8: 448 case CX2072X_ANALOG_TEST9: 449 case CX2072X_ANALOG_TEST10: 450 case CX2072X_ANALOG_TEST11: 451 case CX2072X_ANALOG_TEST12: 452 case CX2072X_ANALOG_TEST13: 453 case CX2072X_DIGITAL_TEST0: 454 case CX2072X_DIGITAL_TEST1: 455 case CX2072X_DIGITAL_TEST11: 456 case CX2072X_DIGITAL_TEST12: 457 case CX2072X_DIGITAL_TEST15: 458 case CX2072X_DIGITAL_TEST16: 459 case CX2072X_DIGITAL_TEST17: 460 case CX2072X_DIGITAL_TEST18: 461 case CX2072X_DIGITAL_TEST19: 462 case CX2072X_DIGITAL_TEST20: 463 return true; 464 default: 465 return false; 466 } 467 } 468 469 static bool cx2072x_volatile_register(struct device *dev, unsigned int reg) 470 { 471 switch (reg) { 472 case CX2072X_VENDOR_ID: 473 case CX2072X_REVISION_ID: 474 case CX2072X_UM_INTERRUPT_CRTL_E: 475 case CX2072X_DIGITAL_TEST11: 476 case CX2072X_PORTA_PIN_SENSE: 477 case CX2072X_PORTB_PIN_SENSE: 478 case CX2072X_PORTD_PIN_SENSE: 479 case CX2072X_PORTE_PIN_SENSE: 480 case CX2072X_PORTF_PIN_SENSE: 481 case CX2072X_EQ_G_COEFF: 482 case CX2072X_EQ_BAND: 483 return true; 484 default: 485 return false; 486 } 487 } 488 489 static int cx2072x_reg_raw_write(struct i2c_client *client, 490 unsigned int reg, 491 const void *val, size_t val_count) 492 { 493 struct device *dev = &client->dev; 494 u8 buf[2 + CX2072X_MAX_EQ_COEFF]; 495 int ret; 496 497 if (WARN_ON(val_count + 2 > sizeof(buf))) 498 return -EINVAL; 499 500 buf[0] = reg >> 8; 501 buf[1] = reg & 0xff; 502 503 memcpy(buf + 2, val, val_count); 504 505 ret = i2c_master_send(client, buf, val_count + 2); 506 if (ret != val_count + 2) { 507 dev_err(dev, "I2C write failed, ret = %d\n", ret); 508 return ret < 0 ? ret : -EIO; 509 } 510 return 0; 511 } 512 513 static int cx2072x_reg_write(void *context, unsigned int reg, 514 unsigned int value) 515 { 516 __le32 raw_value; 517 unsigned int size; 518 519 size = cx2072x_register_size(reg); 520 521 if (reg == CX2072X_UM_INTERRUPT_CRTL_E) { 522 /* Update the MSB byte only */ 523 reg += 3; 524 size = 1; 525 value >>= 24; 526 } 527 528 raw_value = cpu_to_le32(value); 529 return cx2072x_reg_raw_write(context, reg, &raw_value, size); 530 } 531 532 static int cx2072x_reg_read(void *context, unsigned int reg, 533 unsigned int *value) 534 { 535 struct i2c_client *client = context; 536 struct device *dev = &client->dev; 537 __le32 recv_buf = 0; 538 struct i2c_msg msgs[2]; 539 unsigned int size; 540 u8 send_buf[2]; 541 int ret; 542 543 size = cx2072x_register_size(reg); 544 545 send_buf[0] = reg >> 8; 546 send_buf[1] = reg & 0xff; 547 548 msgs[0].addr = client->addr; 549 msgs[0].len = sizeof(send_buf); 550 msgs[0].buf = send_buf; 551 msgs[0].flags = 0; 552 553 msgs[1].addr = client->addr; 554 msgs[1].len = size; 555 msgs[1].buf = (u8 *)&recv_buf; 556 msgs[1].flags = I2C_M_RD; 557 558 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); 559 if (ret != ARRAY_SIZE(msgs)) { 560 dev_err(dev, "Failed to read register, ret = %d\n", ret); 561 return ret < 0 ? ret : -EIO; 562 } 563 564 *value = le32_to_cpu(recv_buf); 565 return 0; 566 } 567 568 /* get suggested pre_div valuce from mclk frequency */ 569 static unsigned int get_div_from_mclk(unsigned int mclk) 570 { 571 unsigned int div = 8; 572 int i; 573 574 for (i = 0; i < ARRAY_SIZE(mclk_pre_div); i++) { 575 if (mclk <= mclk_pre_div[i].mclk) { 576 div = mclk_pre_div[i].div; 577 break; 578 } 579 } 580 return div; 581 } 582 583 static int cx2072x_config_pll(struct cx2072x_priv *cx2072x) 584 { 585 struct device *dev = cx2072x->dev; 586 unsigned int pre_div; 587 unsigned int pre_div_val; 588 unsigned int pll_input; 589 unsigned int pll_output; 590 unsigned int int_div; 591 unsigned int frac_div; 592 u64 frac_num; 593 unsigned int frac; 594 unsigned int sample_rate = cx2072x->sample_rate; 595 int pt_sample_per_sync = 2; 596 int pt_clock_per_sample = 96; 597 598 switch (sample_rate) { 599 case 48000: 600 case 32000: 601 case 24000: 602 case 16000: 603 break; 604 605 case 96000: 606 pt_sample_per_sync = 1; 607 pt_clock_per_sample = 48; 608 break; 609 610 case 192000: 611 pt_sample_per_sync = 0; 612 pt_clock_per_sample = 24; 613 break; 614 615 default: 616 dev_err(dev, "Unsupported sample rate %d\n", sample_rate); 617 return -EINVAL; 618 } 619 620 /* Configure PLL settings */ 621 pre_div = get_div_from_mclk(cx2072x->mclk_rate); 622 pll_input = cx2072x->mclk_rate / pre_div; 623 pll_output = sample_rate * 3072; 624 int_div = pll_output / pll_input; 625 frac_div = pll_output - (int_div * pll_input); 626 627 if (frac_div) { 628 frac_div *= 1000; 629 frac_div /= pll_input; 630 frac_num = (u64)(4000 + frac_div) * ((1 << 20) - 4); 631 do_div(frac_num, 7); 632 frac = ((u32)frac_num + 499) / 1000; 633 } 634 pre_div_val = (pre_div - 1) * 2; 635 636 regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST4, 637 0x40 | (pre_div_val << 8)); 638 if (frac_div == 0) { 639 /* Int mode */ 640 regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7, 0x100); 641 } else { 642 /* frac mode */ 643 regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST6, 644 frac & 0xfff); 645 regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7, 646 (u8)(frac >> 12)); 647 } 648 649 int_div--; 650 regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST8, int_div); 651 652 /* configure PLL tracking */ 653 if (frac_div == 0) { 654 /* disable PLL tracking */ 655 regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16, 0x00); 656 } else { 657 /* configure and enable PLL tracking */ 658 regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16, 659 (pt_sample_per_sync << 4) & 0xf0); 660 regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST17, 661 pt_clock_per_sample); 662 regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST18, 663 pt_clock_per_sample * 3 / 2); 664 regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST19, 0x01); 665 regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST20, 0x02); 666 regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_TEST16, 667 0x01, 0x01); 668 } 669 670 return 0; 671 } 672 673 static int cx2072x_config_i2spcm(struct cx2072x_priv *cx2072x) 674 { 675 struct device *dev = cx2072x->dev; 676 unsigned int bclk_rate = 0; 677 int is_i2s = 0; 678 int has_one_bit_delay = 0; 679 int is_frame_inv = 0; 680 int is_bclk_inv = 0; 681 int pulse_len; 682 int frame_len = cx2072x->frame_size; 683 int sample_size = cx2072x->sample_size; 684 int i2s_right_slot; 685 int i2s_right_pause_interval = 0; 686 int i2s_right_pause_pos; 687 int is_big_endian = 1; 688 u64 div; 689 unsigned int mod; 690 union cx2072x_reg_i2spcm_ctrl_reg1 reg1; 691 union cx2072x_reg_i2spcm_ctrl_reg2 reg2; 692 union cx2072x_reg_i2spcm_ctrl_reg3 reg3; 693 union cx2072x_reg_i2spcm_ctrl_reg4 reg4; 694 union cx2072x_reg_i2spcm_ctrl_reg5 reg5; 695 union cx2072x_reg_i2spcm_ctrl_reg6 reg6; 696 union cx2072x_reg_digital_bios_test2 regdbt2; 697 const unsigned int fmt = cx2072x->dai_fmt; 698 699 if (frame_len <= 0) { 700 dev_err(dev, "Incorrect frame len %d\n", frame_len); 701 return -EINVAL; 702 } 703 704 if (sample_size <= 0) { 705 dev_err(dev, "Incorrect sample size %d\n", sample_size); 706 return -EINVAL; 707 } 708 709 dev_dbg(dev, "config_i2spcm set_dai_fmt- %08x\n", fmt); 710 711 regdbt2.ulval = 0xac; 712 713 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 714 case SND_SOC_DAIFMT_CBP_CFP: 715 reg2.r.tx_master = 1; 716 reg3.r.rx_master = 1; 717 break; 718 719 case SND_SOC_DAIFMT_CBC_CFC: 720 reg2.r.tx_master = 0; 721 reg3.r.rx_master = 0; 722 break; 723 724 default: 725 dev_err(dev, "Unsupported DAI clocking mode\n"); 726 return -EINVAL; 727 } 728 729 /* set format */ 730 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 731 case SND_SOC_DAIFMT_I2S: 732 is_i2s = 1; 733 has_one_bit_delay = 1; 734 pulse_len = frame_len / 2; 735 break; 736 737 case SND_SOC_DAIFMT_RIGHT_J: 738 is_i2s = 1; 739 pulse_len = frame_len / 2; 740 break; 741 742 case SND_SOC_DAIFMT_LEFT_J: 743 is_i2s = 1; 744 pulse_len = frame_len / 2; 745 break; 746 747 default: 748 dev_err(dev, "Unsupported DAI format\n"); 749 return -EINVAL; 750 } 751 752 /* clock inversion */ 753 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 754 case SND_SOC_DAIFMT_NB_NF: 755 is_frame_inv = is_i2s; 756 is_bclk_inv = is_i2s; 757 break; 758 759 case SND_SOC_DAIFMT_IB_IF: 760 is_frame_inv = !is_i2s; 761 is_bclk_inv = !is_i2s; 762 break; 763 764 case SND_SOC_DAIFMT_IB_NF: 765 is_frame_inv = is_i2s; 766 is_bclk_inv = !is_i2s; 767 break; 768 769 case SND_SOC_DAIFMT_NB_IF: 770 is_frame_inv = !is_i2s; 771 is_bclk_inv = is_i2s; 772 break; 773 774 default: 775 dev_err(dev, "Unsupported DAI clock inversion\n"); 776 return -EINVAL; 777 } 778 779 reg1.r.rx_data_one_line = 1; 780 reg1.r.tx_data_one_line = 1; 781 782 if (is_i2s) { 783 i2s_right_slot = (frame_len / 2) / BITS_PER_SLOT; 784 i2s_right_pause_interval = (frame_len / 2) % BITS_PER_SLOT; 785 i2s_right_pause_pos = i2s_right_slot * BITS_PER_SLOT; 786 } 787 788 reg1.r.rx_ws_pol = is_frame_inv; 789 reg1.r.rx_ws_wid = pulse_len - 1; 790 791 reg1.r.rx_frm_len = frame_len / BITS_PER_SLOT - 1; 792 reg1.r.rx_sa_size = (sample_size / BITS_PER_SLOT) - 1; 793 794 reg1.r.tx_ws_pol = reg1.r.rx_ws_pol; 795 reg1.r.tx_ws_wid = pulse_len - 1; 796 reg1.r.tx_frm_len = reg1.r.rx_frm_len; 797 reg1.r.tx_sa_size = reg1.r.rx_sa_size; 798 799 reg2.r.tx_endian_sel = !is_big_endian; 800 reg2.r.tx_dstart_dly = has_one_bit_delay; 801 if (cx2072x->en_aec_ref) 802 reg2.r.tx_dstart_dly = 0; 803 804 reg3.r.rx_endian_sel = !is_big_endian; 805 reg3.r.rx_dstart_dly = has_one_bit_delay; 806 807 reg4.ulval = 0; 808 809 if (is_i2s) { 810 reg2.r.tx_slot_1 = 0; 811 reg2.r.tx_slot_2 = i2s_right_slot; 812 reg3.r.rx_slot_1 = 0; 813 if (cx2072x->en_aec_ref) 814 reg3.r.rx_slot_2 = 0; 815 else 816 reg3.r.rx_slot_2 = i2s_right_slot; 817 reg6.r.rx_pause_start_pos = i2s_right_pause_pos; 818 reg6.r.rx_pause_cycles = i2s_right_pause_interval; 819 reg6.r.tx_pause_start_pos = i2s_right_pause_pos; 820 reg6.r.tx_pause_cycles = i2s_right_pause_interval; 821 } else { 822 dev_err(dev, "TDM mode is not implemented yet\n"); 823 return -EINVAL; 824 } 825 regdbt2.r.i2s_bclk_invert = is_bclk_inv; 826 827 /* Configures the BCLK output */ 828 bclk_rate = cx2072x->sample_rate * frame_len; 829 reg5.r.i2s_pcm_clk_div_chan_en = 0; 830 831 /* Disables bclk output before setting new value */ 832 regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, 0); 833 834 if (reg2.r.tx_master) { 835 /* Configures BCLK rate */ 836 div = PLL_OUT_HZ_48; 837 mod = do_div(div, bclk_rate); 838 if (mod) { 839 dev_err(dev, "Unsupported BCLK %dHz\n", bclk_rate); 840 return -EINVAL; 841 } 842 dev_dbg(dev, "enables BCLK %dHz output\n", bclk_rate); 843 reg5.r.i2s_pcm_clk_div = (u32)div - 1; 844 reg5.r.i2s_pcm_clk_div_chan_en = 1; 845 } 846 847 regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL1, reg1.ulval); 848 regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL2, 0xffffffc0, 849 reg2.ulval); 850 regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL3, 0xffffffc0, 851 reg3.ulval); 852 regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL4, reg4.ulval); 853 regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL6, reg6.ulval); 854 regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, reg5.ulval); 855 856 regmap_write(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2, 857 regdbt2.ulval); 858 859 return 0; 860 } 861 862 static int afg_power_ev(struct snd_soc_dapm_widget *w, 863 struct snd_kcontrol *kcontrol, int event) 864 { 865 struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm); 866 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 867 868 switch (event) { 869 case SND_SOC_DAPM_POST_PMU: 870 regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0, 871 0x00, 0x10); 872 break; 873 874 case SND_SOC_DAPM_PRE_PMD: 875 regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0, 876 0x10, 0x10); 877 break; 878 } 879 880 return 0; 881 } 882 883 static const struct snd_kcontrol_new cx2072x_snd_controls[] = { 884 SOC_DOUBLE_R_TLV("PortD Boost Volume", CX2072X_PORTD_GAIN_LEFT, 885 CX2072X_PORTD_GAIN_RIGHT, 0, 3, 0, boost_tlv), 886 SOC_DOUBLE_R_TLV("PortC Boost Volume", CX2072X_PORTC_GAIN_LEFT, 887 CX2072X_PORTC_GAIN_RIGHT, 0, 3, 0, boost_tlv), 888 SOC_DOUBLE_R_TLV("PortB Boost Volume", CX2072X_PORTB_GAIN_LEFT, 889 CX2072X_PORTB_GAIN_RIGHT, 0, 3, 0, boost_tlv), 890 SOC_DOUBLE_R_TLV("PortD ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_1, 891 CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0, 0x4a, 0, adc_tlv), 892 SOC_DOUBLE_R_TLV("PortC ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_2, 893 CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0, 0x4a, 0, adc_tlv), 894 SOC_DOUBLE_R_TLV("PortB ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_0, 895 CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0, 0x4a, 0, adc_tlv), 896 SOC_DOUBLE_R_TLV("DAC1 Volume", CX2072X_DAC1_AMP_GAIN_LEFT, 897 CX2072X_DAC1_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv), 898 SOC_DOUBLE_R("DAC1 Switch", CX2072X_DAC1_AMP_GAIN_LEFT, 899 CX2072X_DAC1_AMP_GAIN_RIGHT, 7, 1, 0), 900 SOC_DOUBLE_R_TLV("DAC2 Volume", CX2072X_DAC2_AMP_GAIN_LEFT, 901 CX2072X_DAC2_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv), 902 SOC_SINGLE_TLV("HPF Freq", CX2072X_CODEC_TEST9, 0, 0x3f, 0, hpf_tlv), 903 SOC_DOUBLE("HPF Switch", CX2072X_CODEC_TEST9, 8, 9, 1, 1), 904 SOC_SINGLE("PortA HP Amp Switch", CX2072X_PORTA_PIN_CTRL, 7, 1, 0), 905 }; 906 907 static int cx2072x_hw_params(struct snd_pcm_substream *substream, 908 struct snd_pcm_hw_params *params, 909 struct snd_soc_dai *dai) 910 { 911 struct snd_soc_component *codec = dai->component; 912 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 913 struct device *dev = codec->dev; 914 const unsigned int sample_rate = params_rate(params); 915 int sample_size, frame_size; 916 917 /* Data sizes if not using TDM */ 918 sample_size = params_width(params); 919 920 if (sample_size < 0) 921 return sample_size; 922 923 frame_size = snd_soc_params_to_frame_size(params); 924 if (frame_size < 0) 925 return frame_size; 926 927 if (cx2072x->mclk_rate == 0) { 928 dev_err(dev, "Master clock rate is not configured\n"); 929 return -EINVAL; 930 } 931 932 if (cx2072x->bclk_ratio) 933 frame_size = cx2072x->bclk_ratio; 934 935 switch (sample_rate) { 936 case 48000: 937 case 32000: 938 case 24000: 939 case 16000: 940 case 96000: 941 case 192000: 942 break; 943 944 default: 945 dev_err(dev, "Unsupported sample rate %d\n", sample_rate); 946 return -EINVAL; 947 } 948 949 dev_dbg(dev, "Sample size %d bits, frame = %d bits, rate = %d Hz\n", 950 sample_size, frame_size, sample_rate); 951 952 cx2072x->frame_size = frame_size; 953 cx2072x->sample_size = sample_size; 954 cx2072x->sample_rate = sample_rate; 955 956 if (dai->id == CX2072X_DAI_DSP) { 957 cx2072x->en_aec_ref = true; 958 dev_dbg(cx2072x->dev, "enables aec reference\n"); 959 regmap_write(cx2072x->regmap, 960 CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 3); 961 } 962 963 if (cx2072x->pll_changed) { 964 cx2072x_config_pll(cx2072x); 965 cx2072x->pll_changed = false; 966 } 967 968 if (cx2072x->i2spcm_changed) { 969 cx2072x_config_i2spcm(cx2072x); 970 cx2072x->i2spcm_changed = false; 971 } 972 973 return 0; 974 } 975 976 static int cx2072x_set_dai_bclk_ratio(struct snd_soc_dai *dai, 977 unsigned int ratio) 978 { 979 struct snd_soc_component *codec = dai->component; 980 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 981 982 cx2072x->bclk_ratio = ratio; 983 return 0; 984 } 985 986 static int cx2072x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, 987 unsigned int freq, int dir) 988 { 989 struct snd_soc_component *codec = dai->component; 990 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 991 992 if (clk_set_rate(cx2072x->mclk, freq)) { 993 dev_err(codec->dev, "set clk rate failed\n"); 994 return -EINVAL; 995 } 996 997 cx2072x->mclk_rate = freq; 998 return 0; 999 } 1000 1001 static int cx2072x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 1002 { 1003 struct snd_soc_component *codec = dai->component; 1004 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 1005 struct device *dev = codec->dev; 1006 1007 dev_dbg(dev, "set_dai_fmt- %08x\n", fmt); 1008 /* set master/slave */ 1009 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 1010 case SND_SOC_DAIFMT_CBP_CFP: 1011 case SND_SOC_DAIFMT_CBC_CFC: 1012 break; 1013 1014 default: 1015 dev_err(dev, "Unsupported DAI master mode\n"); 1016 return -EINVAL; 1017 } 1018 1019 /* set format */ 1020 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1021 case SND_SOC_DAIFMT_I2S: 1022 case SND_SOC_DAIFMT_RIGHT_J: 1023 case SND_SOC_DAIFMT_LEFT_J: 1024 break; 1025 1026 default: 1027 dev_err(dev, "Unsupported DAI format\n"); 1028 return -EINVAL; 1029 } 1030 1031 /* clock inversion */ 1032 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1033 case SND_SOC_DAIFMT_NB_NF: 1034 case SND_SOC_DAIFMT_IB_IF: 1035 case SND_SOC_DAIFMT_IB_NF: 1036 case SND_SOC_DAIFMT_NB_IF: 1037 break; 1038 1039 default: 1040 dev_err(dev, "Unsupported DAI clock inversion\n"); 1041 return -EINVAL; 1042 } 1043 1044 cx2072x->dai_fmt = fmt; 1045 return 0; 1046 } 1047 1048 static const struct snd_kcontrol_new portaouten_ctl = 1049 SOC_DAPM_SINGLE("Switch", CX2072X_PORTA_PIN_CTRL, 6, 1, 0); 1050 1051 static const struct snd_kcontrol_new porteouten_ctl = 1052 SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 6, 1, 0); 1053 1054 static const struct snd_kcontrol_new portgouten_ctl = 1055 SOC_DAPM_SINGLE("Switch", CX2072X_PORTG_PIN_CTRL, 6, 1, 0); 1056 1057 static const struct snd_kcontrol_new portmouten_ctl = 1058 SOC_DAPM_SINGLE("Switch", CX2072X_PORTM_PIN_CTRL, 6, 1, 0); 1059 1060 static const struct snd_kcontrol_new portbinen_ctl = 1061 SOC_DAPM_SINGLE("Switch", CX2072X_PORTB_PIN_CTRL, 5, 1, 0); 1062 1063 static const struct snd_kcontrol_new portcinen_ctl = 1064 SOC_DAPM_SINGLE("Switch", CX2072X_PORTC_PIN_CTRL, 5, 1, 0); 1065 1066 static const struct snd_kcontrol_new portdinen_ctl = 1067 SOC_DAPM_SINGLE("Switch", CX2072X_PORTD_PIN_CTRL, 5, 1, 0); 1068 1069 static const struct snd_kcontrol_new porteinen_ctl = 1070 SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 5, 1, 0); 1071 1072 static const struct snd_kcontrol_new i2sadc1l_ctl = 1073 SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 0, 1, 0); 1074 1075 static const struct snd_kcontrol_new i2sadc1r_ctl = 1076 SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 1, 1, 0); 1077 1078 static const struct snd_kcontrol_new i2sadc2l_ctl = 1079 SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 2, 1, 0); 1080 1081 static const struct snd_kcontrol_new i2sadc2r_ctl = 1082 SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 3, 1, 0); 1083 1084 static const struct snd_kcontrol_new i2sdac1l_ctl = 1085 SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 0, 1, 0); 1086 1087 static const struct snd_kcontrol_new i2sdac1r_ctl = 1088 SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 1, 1, 0); 1089 1090 static const struct snd_kcontrol_new i2sdac2l_ctl = 1091 SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 2, 1, 0); 1092 1093 static const struct snd_kcontrol_new i2sdac2r_ctl = 1094 SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 3, 1, 0); 1095 1096 static const char * const dac_enum_text[] = { 1097 "DAC1 Switch", "DAC2 Switch", 1098 }; 1099 1100 static const struct soc_enum porta_dac_enum = 1101 SOC_ENUM_SINGLE(CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text); 1102 1103 static const struct snd_kcontrol_new porta_mux = 1104 SOC_DAPM_ENUM("PortA Mux", porta_dac_enum); 1105 1106 static const struct soc_enum portg_dac_enum = 1107 SOC_ENUM_SINGLE(CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text); 1108 1109 static const struct snd_kcontrol_new portg_mux = 1110 SOC_DAPM_ENUM("PortG Mux", portg_dac_enum); 1111 1112 static const struct soc_enum porte_dac_enum = 1113 SOC_ENUM_SINGLE(CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text); 1114 1115 static const struct snd_kcontrol_new porte_mux = 1116 SOC_DAPM_ENUM("PortE Mux", porte_dac_enum); 1117 1118 static const struct soc_enum portm_dac_enum = 1119 SOC_ENUM_SINGLE(CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text); 1120 1121 static const struct snd_kcontrol_new portm_mux = 1122 SOC_DAPM_ENUM("PortM Mux", portm_dac_enum); 1123 1124 static const char * const adc1in_sel_text[] = { 1125 "PortB Switch", "PortD Switch", "PortC Switch", "Widget15 Switch", 1126 "PortE Switch", "PortF Switch", "PortH Switch" 1127 }; 1128 1129 static const struct soc_enum adc1in_sel_enum = 1130 SOC_ENUM_SINGLE(CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0, 7, adc1in_sel_text); 1131 1132 static const struct snd_kcontrol_new adc1_mux = 1133 SOC_DAPM_ENUM("ADC1 Mux", adc1in_sel_enum); 1134 1135 static const char * const adc2in_sel_text[] = { 1136 "PortC Switch", "Widget15 Switch", "PortH Switch" 1137 }; 1138 1139 static const struct soc_enum adc2in_sel_enum = 1140 SOC_ENUM_SINGLE(CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0, 3, adc2in_sel_text); 1141 1142 static const struct snd_kcontrol_new adc2_mux = 1143 SOC_DAPM_ENUM("ADC2 Mux", adc2in_sel_enum); 1144 1145 static const struct snd_kcontrol_new wid15_mix[] = { 1146 SOC_DAPM_SINGLE("DAC1L Switch", CX2072X_MIXER_GAIN_LEFT_0, 7, 1, 1), 1147 SOC_DAPM_SINGLE("DAC1R Switch", CX2072X_MIXER_GAIN_RIGHT_0, 7, 1, 1), 1148 SOC_DAPM_SINGLE("DAC2L Switch", CX2072X_MIXER_GAIN_LEFT_1, 7, 1, 1), 1149 SOC_DAPM_SINGLE("DAC2R Switch", CX2072X_MIXER_GAIN_RIGHT_1, 7, 1, 1), 1150 }; 1151 1152 #define CX2072X_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, wmask, won_val, \ 1153 woff_val, wevent, wflags) \ 1154 {.id = snd_soc_dapm_supply, .name = wname, .kcontrol_news = NULL, \ 1155 .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \ 1156 .on_val = won_val, .off_val = woff_val, \ 1157 .subseq = wsubseq, .event = wevent, .event_flags = wflags} 1158 1159 #define CX2072X_DAPM_SWITCH(wname, wreg, wshift, wmask, won_val, woff_val, \ 1160 wevent, wflags) \ 1161 {.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \ 1162 .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \ 1163 .on_val = won_val, .off_val = woff_val, \ 1164 .event = wevent, .event_flags = wflags} 1165 1166 #define CX2072X_DAPM_SWITCH(wname, wreg, wshift, wmask, won_val, woff_val, \ 1167 wevent, wflags) \ 1168 {.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \ 1169 .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \ 1170 .on_val = won_val, .off_val = woff_val, \ 1171 .event = wevent, .event_flags = wflags} 1172 1173 #define CX2072X_DAPM_REG_E(wid, wname, wreg, wshift, wmask, won_val, woff_val, \ 1174 wevent, wflags) \ 1175 {.id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ 1176 .reg = wreg, .shift = wshift, .mask = wmask, \ 1177 .on_val = won_val, .off_val = woff_val, \ 1178 .event = wevent, .event_flags = wflags} 1179 1180 static const struct snd_soc_dapm_widget cx2072x_dapm_widgets[] = { 1181 /*Playback*/ 1182 SND_SOC_DAPM_AIF_IN("In AIF", "Playback", 0, SND_SOC_NOPM, 0, 0), 1183 1184 SND_SOC_DAPM_SWITCH("I2S DAC1L", SND_SOC_NOPM, 0, 0, &i2sdac1l_ctl), 1185 SND_SOC_DAPM_SWITCH("I2S DAC1R", SND_SOC_NOPM, 0, 0, &i2sdac1r_ctl), 1186 SND_SOC_DAPM_SWITCH("I2S DAC2L", SND_SOC_NOPM, 0, 0, &i2sdac2l_ctl), 1187 SND_SOC_DAPM_SWITCH("I2S DAC2R", SND_SOC_NOPM, 0, 0, &i2sdac2r_ctl), 1188 1189 SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC1", CX2072X_DAC1_POWER_STATE, 1190 0, 0xfff, 0x00, 0x03), 1191 1192 SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC2", CX2072X_DAC2_POWER_STATE, 1193 0, 0xfff, 0x00, 0x03), 1194 1195 SND_SOC_DAPM_MUX("PortA Mux", SND_SOC_NOPM, 0, 0, &porta_mux), 1196 SND_SOC_DAPM_MUX("PortG Mux", SND_SOC_NOPM, 0, 0, &portg_mux), 1197 SND_SOC_DAPM_MUX("PortE Mux", SND_SOC_NOPM, 0, 0, &porte_mux), 1198 SND_SOC_DAPM_MUX("PortM Mux", SND_SOC_NOPM, 0, 0, &portm_mux), 1199 1200 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortA Power", 1201 CX2072X_PORTA_POWER_STATE, 0, 0xfff, 0x00, 0x03), 1202 1203 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortM Power", 1204 CX2072X_PORTM_POWER_STATE, 0, 0xfff, 0x00, 0x03), 1205 1206 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortG Power", 1207 CX2072X_PORTG_POWER_STATE, 0, 0xfff, 0x00, 0x03), 1208 1209 CX2072X_DAPM_SUPPLY_S("AFG Power", 0, CX2072X_AFG_POWER_STATE, 1210 0, 0xfff, 0x00, 0x03, afg_power_ev, 1211 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 1212 1213 SND_SOC_DAPM_SWITCH("PortA Out En", SND_SOC_NOPM, 0, 0, 1214 &portaouten_ctl), 1215 SND_SOC_DAPM_SWITCH("PortE Out En", SND_SOC_NOPM, 0, 0, 1216 &porteouten_ctl), 1217 SND_SOC_DAPM_SWITCH("PortG Out En", SND_SOC_NOPM, 0, 0, 1218 &portgouten_ctl), 1219 SND_SOC_DAPM_SWITCH("PortM Out En", SND_SOC_NOPM, 0, 0, 1220 &portmouten_ctl), 1221 1222 SND_SOC_DAPM_OUTPUT("PORTA"), 1223 SND_SOC_DAPM_OUTPUT("PORTG"), 1224 SND_SOC_DAPM_OUTPUT("PORTE"), 1225 SND_SOC_DAPM_OUTPUT("PORTM"), 1226 SND_SOC_DAPM_OUTPUT("AEC REF"), 1227 1228 /*Capture*/ 1229 SND_SOC_DAPM_AIF_OUT("Out AIF", "Capture", 0, SND_SOC_NOPM, 0, 0), 1230 1231 SND_SOC_DAPM_SWITCH("I2S ADC1L", SND_SOC_NOPM, 0, 0, &i2sadc1l_ctl), 1232 SND_SOC_DAPM_SWITCH("I2S ADC1R", SND_SOC_NOPM, 0, 0, &i2sadc1r_ctl), 1233 SND_SOC_DAPM_SWITCH("I2S ADC2L", SND_SOC_NOPM, 0, 0, &i2sadc2l_ctl), 1234 SND_SOC_DAPM_SWITCH("I2S ADC2R", SND_SOC_NOPM, 0, 0, &i2sadc2r_ctl), 1235 1236 SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC1", CX2072X_ADC1_POWER_STATE, 1237 0, 0xff, 0x00, 0x03), 1238 SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC2", CX2072X_ADC2_POWER_STATE, 1239 0, 0xff, 0x00, 0x03), 1240 1241 SND_SOC_DAPM_MUX("ADC1 Mux", SND_SOC_NOPM, 0, 0, &adc1_mux), 1242 SND_SOC_DAPM_MUX("ADC2 Mux", SND_SOC_NOPM, 0, 0, &adc2_mux), 1243 1244 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortB Power", 1245 CX2072X_PORTB_POWER_STATE, 0, 0xfff, 0x00, 0x03), 1246 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortC Power", 1247 CX2072X_PORTC_POWER_STATE, 0, 0xfff, 0x00, 0x03), 1248 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortD Power", 1249 CX2072X_PORTD_POWER_STATE, 0, 0xfff, 0x00, 0x03), 1250 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortE Power", 1251 CX2072X_PORTE_POWER_STATE, 0, 0xfff, 0x00, 0x03), 1252 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "Widget15 Power", 1253 CX2072X_MIXER_POWER_STATE, 0, 0xfff, 0x00, 0x03), 1254 1255 SND_SOC_DAPM_MIXER("Widget15 Mixer", SND_SOC_NOPM, 0, 0, 1256 wid15_mix, ARRAY_SIZE(wid15_mix)), 1257 SND_SOC_DAPM_SWITCH("PortB In En", SND_SOC_NOPM, 0, 0, &portbinen_ctl), 1258 SND_SOC_DAPM_SWITCH("PortC In En", SND_SOC_NOPM, 0, 0, &portcinen_ctl), 1259 SND_SOC_DAPM_SWITCH("PortD In En", SND_SOC_NOPM, 0, 0, &portdinen_ctl), 1260 SND_SOC_DAPM_SWITCH("PortE In En", SND_SOC_NOPM, 0, 0, &porteinen_ctl), 1261 1262 SND_SOC_DAPM_MICBIAS("Headset Bias", CX2072X_ANALOG_TEST11, 1, 0), 1263 SND_SOC_DAPM_MICBIAS("PortB Mic Bias", CX2072X_PORTB_PIN_CTRL, 2, 0), 1264 SND_SOC_DAPM_MICBIAS("PortD Mic Bias", CX2072X_PORTD_PIN_CTRL, 2, 0), 1265 SND_SOC_DAPM_MICBIAS("PortE Mic Bias", CX2072X_PORTE_PIN_CTRL, 2, 0), 1266 SND_SOC_DAPM_INPUT("PORTB"), 1267 SND_SOC_DAPM_INPUT("PORTC"), 1268 SND_SOC_DAPM_INPUT("PORTD"), 1269 SND_SOC_DAPM_INPUT("PORTEIN"), 1270 1271 }; 1272 1273 static const struct snd_soc_dapm_route cx2072x_intercon[] = { 1274 /* Playback */ 1275 {"In AIF", NULL, "AFG Power"}, 1276 {"I2S DAC1L", "Switch", "In AIF"}, 1277 {"I2S DAC1R", "Switch", "In AIF"}, 1278 {"I2S DAC2L", "Switch", "In AIF"}, 1279 {"I2S DAC2R", "Switch", "In AIF"}, 1280 {"DAC1", NULL, "I2S DAC1L"}, 1281 {"DAC1", NULL, "I2S DAC1R"}, 1282 {"DAC2", NULL, "I2S DAC2L"}, 1283 {"DAC2", NULL, "I2S DAC2R"}, 1284 {"PortA Mux", "DAC1 Switch", "DAC1"}, 1285 {"PortA Mux", "DAC2 Switch", "DAC2"}, 1286 {"PortG Mux", "DAC1 Switch", "DAC1"}, 1287 {"PortG Mux", "DAC2 Switch", "DAC2"}, 1288 {"PortE Mux", "DAC1 Switch", "DAC1"}, 1289 {"PortE Mux", "DAC2 Switch", "DAC2"}, 1290 {"PortM Mux", "DAC1 Switch", "DAC1"}, 1291 {"PortM Mux", "DAC2 Switch", "DAC2"}, 1292 {"Widget15 Mixer", "DAC1L Switch", "DAC1"}, 1293 {"Widget15 Mixer", "DAC1R Switch", "DAC2"}, 1294 {"Widget15 Mixer", "DAC2L Switch", "DAC1"}, 1295 {"Widget15 Mixer", "DAC2R Switch", "DAC2"}, 1296 {"Widget15 Mixer", NULL, "Widget15 Power"}, 1297 {"PortA Out En", "Switch", "PortA Mux"}, 1298 {"PortG Out En", "Switch", "PortG Mux"}, 1299 {"PortE Out En", "Switch", "PortE Mux"}, 1300 {"PortM Out En", "Switch", "PortM Mux"}, 1301 {"PortA Mux", NULL, "PortA Power"}, 1302 {"PortG Mux", NULL, "PortG Power"}, 1303 {"PortE Mux", NULL, "PortE Power"}, 1304 {"PortM Mux", NULL, "PortM Power"}, 1305 {"PortA Out En", NULL, "PortA Power"}, 1306 {"PortG Out En", NULL, "PortG Power"}, 1307 {"PortE Out En", NULL, "PortE Power"}, 1308 {"PortM Out En", NULL, "PortM Power"}, 1309 {"PORTA", NULL, "PortA Out En"}, 1310 {"PORTG", NULL, "PortG Out En"}, 1311 {"PORTE", NULL, "PortE Out En"}, 1312 {"PORTM", NULL, "PortM Out En"}, 1313 1314 /* Capture */ 1315 {"PORTD", NULL, "Headset Bias"}, 1316 {"PortB In En", "Switch", "PORTB"}, 1317 {"PortC In En", "Switch", "PORTC"}, 1318 {"PortD In En", "Switch", "PORTD"}, 1319 {"PortE In En", "Switch", "PORTEIN"}, 1320 {"ADC1 Mux", "PortB Switch", "PortB In En"}, 1321 {"ADC1 Mux", "PortC Switch", "PortC In En"}, 1322 {"ADC1 Mux", "PortD Switch", "PortD In En"}, 1323 {"ADC1 Mux", "PortE Switch", "PortE In En"}, 1324 {"ADC1 Mux", "Widget15 Switch", "Widget15 Mixer"}, 1325 {"ADC2 Mux", "PortC Switch", "PortC In En"}, 1326 {"ADC2 Mux", "Widget15 Switch", "Widget15 Mixer"}, 1327 {"ADC1", NULL, "ADC1 Mux"}, 1328 {"ADC2", NULL, "ADC2 Mux"}, 1329 {"I2S ADC1L", "Switch", "ADC1"}, 1330 {"I2S ADC1R", "Switch", "ADC1"}, 1331 {"I2S ADC2L", "Switch", "ADC2"}, 1332 {"I2S ADC2R", "Switch", "ADC2"}, 1333 {"Out AIF", NULL, "I2S ADC1L"}, 1334 {"Out AIF", NULL, "I2S ADC1R"}, 1335 {"Out AIF", NULL, "I2S ADC2L"}, 1336 {"Out AIF", NULL, "I2S ADC2R"}, 1337 {"Out AIF", NULL, "AFG Power"}, 1338 {"AEC REF", NULL, "Out AIF"}, 1339 {"PortB In En", NULL, "PortB Power"}, 1340 {"PortC In En", NULL, "PortC Power"}, 1341 {"PortD In En", NULL, "PortD Power"}, 1342 {"PortE In En", NULL, "PortE Power"}, 1343 }; 1344 1345 static int cx2072x_set_bias_level(struct snd_soc_component *codec, 1346 enum snd_soc_bias_level level) 1347 { 1348 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 1349 const enum snd_soc_bias_level old_level = 1350 snd_soc_component_get_bias_level(codec); 1351 1352 if (level == SND_SOC_BIAS_STANDBY && old_level == SND_SOC_BIAS_OFF) 1353 regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0); 1354 else if (level == SND_SOC_BIAS_OFF && old_level != SND_SOC_BIAS_OFF) 1355 regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3); 1356 1357 return 0; 1358 } 1359 1360 /* 1361 * FIXME: the whole jack detection code below is pretty platform-specific; 1362 * it has lots of implicit assumptions about the pins, etc. 1363 * However, since we have no other code and reference, take this hard-coded 1364 * setup for now. Once when we have different platform implementations, 1365 * this needs to be rewritten in a more generic form, or moving into the 1366 * platform data. 1367 */ 1368 static void cx2072x_enable_jack_detect(struct snd_soc_component *codec) 1369 { 1370 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 1371 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec); 1372 1373 /* No-sticky input type */ 1374 regmap_write(cx2072x->regmap, CX2072X_GPIO_STICKY_MASK, 0x1f); 1375 1376 /* Use GPOI0 as interrupt pin */ 1377 regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24); 1378 1379 /* Enables unsolitited message on PortA */ 1380 regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x80); 1381 1382 /* support both nokia and apple headset set. Monitor time = 275 ms */ 1383 regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST15, 0x73); 1384 1385 /* Disable TIP detection */ 1386 regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST12, 0x300); 1387 1388 /* Switch MusicD3Live pin to GPIO */ 1389 regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST1, 0); 1390 1391 snd_soc_dapm_mutex_lock(dapm); 1392 1393 snd_soc_dapm_force_enable_pin_unlocked(dapm, "PORTD"); 1394 snd_soc_dapm_force_enable_pin_unlocked(dapm, "Headset Bias"); 1395 snd_soc_dapm_force_enable_pin_unlocked(dapm, "PortD Mic Bias"); 1396 1397 snd_soc_dapm_mutex_unlock(dapm); 1398 } 1399 1400 static void cx2072x_disable_jack_detect(struct snd_soc_component *codec) 1401 { 1402 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 1403 1404 regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0); 1405 regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0); 1406 } 1407 1408 static int cx2072x_jack_status_check(void *data) 1409 { 1410 struct snd_soc_component *codec = data; 1411 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 1412 unsigned int jack; 1413 unsigned int type = 0; 1414 int state = 0; 1415 1416 mutex_lock(&cx2072x->lock); 1417 1418 regmap_read(cx2072x->regmap, CX2072X_PORTA_PIN_SENSE, &jack); 1419 jack = jack >> 24; 1420 regmap_read(cx2072x->regmap, CX2072X_DIGITAL_TEST11, &type); 1421 1422 if (jack == 0x80) { 1423 type = type >> 8; 1424 1425 if (type & 0x8) { 1426 /* Apple headset */ 1427 state |= SND_JACK_HEADSET; 1428 if (type & 0x2) 1429 state |= SND_JACK_BTN_0; 1430 } else { 1431 /* 1432 * Nokia headset (type & 0x4) and 1433 * regular Headphone 1434 */ 1435 state |= SND_JACK_HEADPHONE; 1436 } 1437 } 1438 1439 /* clear interrupt */ 1440 regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24); 1441 1442 mutex_unlock(&cx2072x->lock); 1443 1444 dev_dbg(codec->dev, "CX2072X_HSDETECT type=0x%X,Jack state = %x\n", 1445 type, state); 1446 return state; 1447 } 1448 1449 static const struct snd_soc_jack_gpio cx2072x_jack_gpio = { 1450 .name = "headset", 1451 .report = SND_JACK_HEADSET | SND_JACK_BTN_0, 1452 .debounce_time = 150, 1453 .wake = true, 1454 .jack_status_check = cx2072x_jack_status_check, 1455 }; 1456 1457 static int cx2072x_set_jack(struct snd_soc_component *codec, 1458 struct snd_soc_jack *jack, void *data) 1459 { 1460 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 1461 int err; 1462 1463 if (!jack) { 1464 cx2072x_disable_jack_detect(codec); 1465 return 0; 1466 } 1467 1468 if (!cx2072x->jack_gpio.gpiod_dev) { 1469 cx2072x->jack_gpio = cx2072x_jack_gpio; 1470 cx2072x->jack_gpio.gpiod_dev = codec->dev; 1471 cx2072x->jack_gpio.data = codec; 1472 err = snd_soc_jack_add_gpios(jack, 1, &cx2072x->jack_gpio); 1473 if (err) { 1474 cx2072x->jack_gpio.gpiod_dev = NULL; 1475 return err; 1476 } 1477 } 1478 1479 cx2072x_enable_jack_detect(codec); 1480 return 0; 1481 } 1482 1483 static int cx2072x_probe(struct snd_soc_component *codec) 1484 { 1485 struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec); 1486 1487 cx2072x->codec = codec; 1488 1489 /* 1490 * FIXME: below is, again, a very platform-specific init sequence, 1491 * but we keep the code here just for simplicity. It seems that all 1492 * existing hardware implementations require this, so there is no very 1493 * much reason to move this out of the codec driver to the platform 1494 * data. 1495 * But of course it's no "right" thing; if you are a good boy, don't 1496 * read and follow the code like this! 1497 */ 1498 pm_runtime_get_sync(codec->dev); 1499 regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0); 1500 1501 regmap_multi_reg_write(cx2072x->regmap, cx2072x_reg_init, 1502 ARRAY_SIZE(cx2072x_reg_init)); 1503 1504 /* configure PortC as input device */ 1505 regmap_update_bits(cx2072x->regmap, CX2072X_PORTC_PIN_CTRL, 1506 0x20, 0x20); 1507 1508 regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2, 1509 0x84, 0xff); 1510 1511 regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3); 1512 pm_runtime_put(codec->dev); 1513 1514 return 0; 1515 } 1516 1517 static const struct snd_soc_component_driver soc_codec_driver_cx2072x = { 1518 .probe = cx2072x_probe, 1519 .set_bias_level = cx2072x_set_bias_level, 1520 .set_jack = cx2072x_set_jack, 1521 .controls = cx2072x_snd_controls, 1522 .num_controls = ARRAY_SIZE(cx2072x_snd_controls), 1523 .dapm_widgets = cx2072x_dapm_widgets, 1524 .num_dapm_widgets = ARRAY_SIZE(cx2072x_dapm_widgets), 1525 .dapm_routes = cx2072x_intercon, 1526 .num_dapm_routes = ARRAY_SIZE(cx2072x_intercon), 1527 .endianness = 1, 1528 }; 1529 1530 /* 1531 * DAI ops 1532 */ 1533 static const struct snd_soc_dai_ops cx2072x_dai_ops = { 1534 .set_sysclk = cx2072x_set_dai_sysclk, 1535 .set_fmt = cx2072x_set_dai_fmt, 1536 .hw_params = cx2072x_hw_params, 1537 .set_bclk_ratio = cx2072x_set_dai_bclk_ratio, 1538 }; 1539 1540 static int cx2072x_dsp_dai_probe(struct snd_soc_dai *dai) 1541 { 1542 struct cx2072x_priv *cx2072x = 1543 snd_soc_component_get_drvdata(dai->component); 1544 1545 cx2072x->en_aec_ref = true; 1546 return 0; 1547 } 1548 1549 static const struct snd_soc_dai_ops cx2072x_dai_ops2 = { 1550 .probe = cx2072x_dsp_dai_probe, 1551 .set_sysclk = cx2072x_set_dai_sysclk, 1552 .set_fmt = cx2072x_set_dai_fmt, 1553 .hw_params = cx2072x_hw_params, 1554 .set_bclk_ratio = cx2072x_set_dai_bclk_ratio, 1555 }; 1556 1557 #define CX2072X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) 1558 1559 static struct snd_soc_dai_driver soc_codec_cx2072x_dai[] = { 1560 { /* playback and capture */ 1561 .name = "cx2072x-hifi", 1562 .id = CX2072X_DAI_HIFI, 1563 .playback = { 1564 .stream_name = "Playback", 1565 .channels_min = 1, 1566 .channels_max = 2, 1567 .rates = CX2072X_RATES_DSP, 1568 .formats = CX2072X_FORMATS, 1569 }, 1570 .capture = { 1571 .stream_name = "Capture", 1572 .channels_min = 1, 1573 .channels_max = 2, 1574 .rates = CX2072X_RATES_DSP, 1575 .formats = CX2072X_FORMATS, 1576 }, 1577 .ops = &cx2072x_dai_ops, 1578 .symmetric_rate = 1, 1579 }, 1580 { /* plabayck only, return echo reference to Conexant DSP chip */ 1581 .name = "cx2072x-dsp", 1582 .id = CX2072X_DAI_DSP, 1583 .playback = { 1584 .stream_name = "DSP Playback", 1585 .channels_min = 2, 1586 .channels_max = 2, 1587 .rates = CX2072X_RATES_DSP, 1588 .formats = CX2072X_FORMATS, 1589 }, 1590 .ops = &cx2072x_dai_ops2, 1591 }, 1592 { /* plabayck only, return echo reference through I2S TX */ 1593 .name = "cx2072x-aec", 1594 .id = 3, 1595 .capture = { 1596 .stream_name = "AEC Capture", 1597 .channels_min = 2, 1598 .channels_max = 2, 1599 .rates = CX2072X_RATES_DSP, 1600 .formats = CX2072X_FORMATS, 1601 }, 1602 }, 1603 }; 1604 1605 static const struct regmap_config cx2072x_regmap = { 1606 .reg_bits = 16, 1607 .val_bits = 32, 1608 .max_register = CX2072X_REG_MAX, 1609 .reg_defaults = cx2072x_reg_defaults, 1610 .num_reg_defaults = ARRAY_SIZE(cx2072x_reg_defaults), 1611 .cache_type = REGCACHE_RBTREE, 1612 .readable_reg = cx2072x_readable_register, 1613 .volatile_reg = cx2072x_volatile_register, 1614 /* Needs custom read/write functions for various register lengths */ 1615 .reg_read = cx2072x_reg_read, 1616 .reg_write = cx2072x_reg_write, 1617 }; 1618 1619 static int __maybe_unused cx2072x_runtime_suspend(struct device *dev) 1620 { 1621 struct cx2072x_priv *cx2072x = dev_get_drvdata(dev); 1622 1623 clk_disable_unprepare(cx2072x->mclk); 1624 return 0; 1625 } 1626 1627 static int __maybe_unused cx2072x_runtime_resume(struct device *dev) 1628 { 1629 struct cx2072x_priv *cx2072x = dev_get_drvdata(dev); 1630 1631 return clk_prepare_enable(cx2072x->mclk); 1632 } 1633 1634 static int cx2072x_i2c_probe(struct i2c_client *i2c) 1635 { 1636 struct cx2072x_priv *cx2072x; 1637 unsigned int ven_id, rev_id; 1638 int ret; 1639 1640 cx2072x = devm_kzalloc(&i2c->dev, sizeof(struct cx2072x_priv), 1641 GFP_KERNEL); 1642 if (!cx2072x) 1643 return -ENOMEM; 1644 1645 cx2072x->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, 1646 &cx2072x_regmap); 1647 if (IS_ERR(cx2072x->regmap)) 1648 return PTR_ERR(cx2072x->regmap); 1649 1650 mutex_init(&cx2072x->lock); 1651 1652 i2c_set_clientdata(i2c, cx2072x); 1653 1654 cx2072x->dev = &i2c->dev; 1655 cx2072x->pll_changed = true; 1656 cx2072x->i2spcm_changed = true; 1657 cx2072x->bclk_ratio = 0; 1658 1659 cx2072x->mclk = devm_clk_get(cx2072x->dev, "mclk"); 1660 if (IS_ERR(cx2072x->mclk)) { 1661 dev_err(cx2072x->dev, "Failed to get MCLK\n"); 1662 return PTR_ERR(cx2072x->mclk); 1663 } 1664 1665 regmap_read(cx2072x->regmap, CX2072X_VENDOR_ID, &ven_id); 1666 regmap_read(cx2072x->regmap, CX2072X_REVISION_ID, &rev_id); 1667 1668 dev_info(cx2072x->dev, "codec version: %08x,%08x\n", ven_id, rev_id); 1669 1670 ret = devm_snd_soc_register_component(cx2072x->dev, 1671 &soc_codec_driver_cx2072x, 1672 soc_codec_cx2072x_dai, 1673 ARRAY_SIZE(soc_codec_cx2072x_dai)); 1674 if (ret < 0) 1675 return ret; 1676 1677 pm_runtime_use_autosuspend(cx2072x->dev); 1678 pm_runtime_enable(cx2072x->dev); 1679 1680 return 0; 1681 } 1682 1683 static void cx2072x_i2c_remove(struct i2c_client *i2c) 1684 { 1685 pm_runtime_disable(&i2c->dev); 1686 } 1687 1688 static const struct i2c_device_id cx2072x_i2c_id[] = { 1689 { "cx20721" }, 1690 { "cx20723" }, 1691 {} 1692 }; 1693 MODULE_DEVICE_TABLE(i2c, cx2072x_i2c_id); 1694 1695 #ifdef CONFIG_ACPI 1696 static struct acpi_device_id cx2072x_acpi_match[] = { 1697 { "14F10720", 0 }, 1698 {}, 1699 }; 1700 MODULE_DEVICE_TABLE(acpi, cx2072x_acpi_match); 1701 #endif 1702 1703 static const struct dev_pm_ops cx2072x_runtime_pm = { 1704 SET_RUNTIME_PM_OPS(cx2072x_runtime_suspend, cx2072x_runtime_resume, 1705 NULL) 1706 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 1707 pm_runtime_force_resume) 1708 }; 1709 1710 static struct i2c_driver cx2072x_i2c_driver = { 1711 .driver = { 1712 .name = "cx2072x", 1713 .acpi_match_table = ACPI_PTR(cx2072x_acpi_match), 1714 .pm = &cx2072x_runtime_pm, 1715 }, 1716 .probe = cx2072x_i2c_probe, 1717 .remove = cx2072x_i2c_remove, 1718 .id_table = cx2072x_i2c_id, 1719 }; 1720 1721 module_i2c_driver(cx2072x_i2c_driver); 1722 1723 MODULE_DESCRIPTION("ASoC cx2072x Codec Driver"); 1724 MODULE_AUTHOR("Simon Ho <simon.ho@conexant.com>"); 1725 MODULE_LICENSE("GPL"); 1726