1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * rt5514.c -- RT5514 ALSA SoC audio codec driver 4 * 5 * Copyright 2015 Realtek Semiconductor Corp. 6 * Author: Oder Chiou <oder_chiou@realtek.com> 7 */ 8 9 #include <linux/acpi.h> 10 #include <linux/fs.h> 11 #include <linux/module.h> 12 #include <linux/moduleparam.h> 13 #include <linux/init.h> 14 #include <linux/delay.h> 15 #include <linux/pm.h> 16 #include <linux/regmap.h> 17 #include <linux/i2c.h> 18 #include <linux/platform_device.h> 19 #include <linux/firmware.h> 20 #include <sound/core.h> 21 #include <sound/pcm.h> 22 #include <sound/pcm_params.h> 23 #include <sound/soc.h> 24 #include <sound/soc-dapm.h> 25 #include <sound/initval.h> 26 #include <sound/tlv.h> 27 28 #include "rl6231.h" 29 #include "rt5514.h" 30 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) 31 #include "rt5514-spi.h" 32 #endif 33 34 static const struct reg_sequence rt5514_i2c_patch[] = { 35 {0x1800101c, 0x00000000}, 36 {0x18001100, 0x0000031f}, 37 {0x18001104, 0x00000007}, 38 {0x18001108, 0x00000000}, 39 {0x1800110c, 0x00000000}, 40 {0x18001110, 0x00000000}, 41 {0x18001114, 0x00000001}, 42 {0x18001118, 0x00000000}, 43 {0x18002f08, 0x00000006}, 44 {0x18002f00, 0x00055149}, 45 {0x18002f00, 0x0005514b}, 46 {0x18002f00, 0x00055149}, 47 {0xfafafafa, 0x00000001}, 48 {0x18002f10, 0x00000001}, 49 {0x18002f10, 0x00000000}, 50 {0x18002f10, 0x00000001}, 51 {0xfafafafa, 0x00000001}, 52 {0x18002000, 0x000010ec}, 53 {0xfafafafa, 0x00000000}, 54 }; 55 56 static const struct reg_sequence rt5514_patch[] = { 57 {RT5514_DIG_IO_CTRL, 0x00000040}, 58 {RT5514_CLK_CTRL1, 0x38020041}, 59 {RT5514_SRC_CTRL, 0x44000eee}, 60 {RT5514_ANA_CTRL_LDO10, 0x00028604}, 61 {RT5514_ANA_CTRL_ADCFED, 0x00000800}, 62 {RT5514_ASRC_IN_CTRL1, 0x00000003}, 63 {RT5514_DOWNFILTER0_CTRL3, 0x10000342}, 64 {RT5514_DOWNFILTER1_CTRL3, 0x10000342}, 65 }; 66 67 static const struct reg_default rt5514_reg[] = { 68 {RT5514_RESET, 0x00000000}, 69 {RT5514_PWR_ANA1, 0x00808880}, 70 {RT5514_PWR_ANA2, 0x00220000}, 71 {RT5514_I2S_CTRL1, 0x00000330}, 72 {RT5514_I2S_CTRL2, 0x20000000}, 73 {RT5514_VAD_CTRL6, 0xc00007d2}, 74 {RT5514_EXT_VAD_CTRL, 0x80000080}, 75 {RT5514_DIG_IO_CTRL, 0x00000040}, 76 {RT5514_PAD_CTRL1, 0x00804000}, 77 {RT5514_DMIC_DATA_CTRL, 0x00000005}, 78 {RT5514_DIG_SOURCE_CTRL, 0x00000002}, 79 {RT5514_SRC_CTRL, 0x44000eee}, 80 {RT5514_DOWNFILTER2_CTRL1, 0x0000882f}, 81 {RT5514_PLL_SOURCE_CTRL, 0x00000004}, 82 {RT5514_CLK_CTRL1, 0x38020041}, 83 {RT5514_CLK_CTRL2, 0x00000000}, 84 {RT5514_PLL3_CALIB_CTRL1, 0x00400200}, 85 {RT5514_PLL3_CALIB_CTRL5, 0x40220012}, 86 {RT5514_DELAY_BUF_CTRL1, 0x7fff006a}, 87 {RT5514_DELAY_BUF_CTRL3, 0x00000000}, 88 {RT5514_ASRC_IN_CTRL1, 0x00000003}, 89 {RT5514_DOWNFILTER0_CTRL1, 0x00020c2f}, 90 {RT5514_DOWNFILTER0_CTRL2, 0x00020c2f}, 91 {RT5514_DOWNFILTER0_CTRL3, 0x10000342}, 92 {RT5514_DOWNFILTER1_CTRL1, 0x00020c2f}, 93 {RT5514_DOWNFILTER1_CTRL2, 0x00020c2f}, 94 {RT5514_DOWNFILTER1_CTRL3, 0x10000342}, 95 {RT5514_ANA_CTRL_LDO10, 0x00028604}, 96 {RT5514_ANA_CTRL_LDO18_16, 0x02000345}, 97 {RT5514_ANA_CTRL_ADC12, 0x0000a2a8}, 98 {RT5514_ANA_CTRL_ADC21, 0x00001180}, 99 {RT5514_ANA_CTRL_ADC22, 0x0000aaa8}, 100 {RT5514_ANA_CTRL_ADC23, 0x00151427}, 101 {RT5514_ANA_CTRL_MICBST, 0x00002000}, 102 {RT5514_ANA_CTRL_ADCFED, 0x00000800}, 103 {RT5514_ANA_CTRL_INBUF, 0x00000143}, 104 {RT5514_ANA_CTRL_VREF, 0x00008d50}, 105 {RT5514_ANA_CTRL_PLL3, 0x0000000e}, 106 {RT5514_ANA_CTRL_PLL1_1, 0x00000000}, 107 {RT5514_ANA_CTRL_PLL1_2, 0x00030220}, 108 {RT5514_DMIC_LP_CTRL, 0x00000000}, 109 {RT5514_MISC_CTRL_DSP, 0x00000000}, 110 {RT5514_DSP_CTRL1, 0x00055149}, 111 {RT5514_DSP_CTRL3, 0x00000006}, 112 {RT5514_DSP_CTRL4, 0x00000001}, 113 {RT5514_VENDOR_ID1, 0x00000001}, 114 {RT5514_VENDOR_ID2, 0x10ec5514}, 115 }; 116 117 static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514) 118 { 119 /* Reset */ 120 regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec); 121 /* LDO_I_limit */ 122 regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604); 123 /* I2C bypass enable */ 124 regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001); 125 /* mini-core reset */ 126 regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b); 127 regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149); 128 /* I2C bypass disable */ 129 regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000); 130 /* PIN config */ 131 regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040); 132 /* PLL3(QN)=RCOSC*(10+2) */ 133 regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a); 134 /* PLL3 source=RCOSC, fsi=rt_clk */ 135 regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b); 136 /* Power on RCOSC, pll3 */ 137 regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81); 138 /* DSP clk source = pll3, ENABLE DSP clk */ 139 regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005); 140 /* Enable DSP clk auto switch */ 141 regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001); 142 /* Reduce DSP power */ 143 regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001); 144 } 145 146 static bool rt5514_volatile_register(struct device *dev, unsigned int reg) 147 { 148 switch (reg) { 149 case RT5514_VENDOR_ID1: 150 case RT5514_VENDOR_ID2: 151 return true; 152 153 default: 154 return false; 155 } 156 } 157 158 static bool rt5514_readable_register(struct device *dev, unsigned int reg) 159 { 160 switch (reg) { 161 case RT5514_RESET: 162 case RT5514_PWR_ANA1: 163 case RT5514_PWR_ANA2: 164 case RT5514_I2S_CTRL1: 165 case RT5514_I2S_CTRL2: 166 case RT5514_VAD_CTRL6: 167 case RT5514_EXT_VAD_CTRL: 168 case RT5514_DIG_IO_CTRL: 169 case RT5514_PAD_CTRL1: 170 case RT5514_DMIC_DATA_CTRL: 171 case RT5514_DIG_SOURCE_CTRL: 172 case RT5514_SRC_CTRL: 173 case RT5514_DOWNFILTER2_CTRL1: 174 case RT5514_PLL_SOURCE_CTRL: 175 case RT5514_CLK_CTRL1: 176 case RT5514_CLK_CTRL2: 177 case RT5514_PLL3_CALIB_CTRL1: 178 case RT5514_PLL3_CALIB_CTRL5: 179 case RT5514_DELAY_BUF_CTRL1: 180 case RT5514_DELAY_BUF_CTRL3: 181 case RT5514_ASRC_IN_CTRL1: 182 case RT5514_DOWNFILTER0_CTRL1: 183 case RT5514_DOWNFILTER0_CTRL2: 184 case RT5514_DOWNFILTER0_CTRL3: 185 case RT5514_DOWNFILTER1_CTRL1: 186 case RT5514_DOWNFILTER1_CTRL2: 187 case RT5514_DOWNFILTER1_CTRL3: 188 case RT5514_ANA_CTRL_LDO10: 189 case RT5514_ANA_CTRL_LDO18_16: 190 case RT5514_ANA_CTRL_ADC12: 191 case RT5514_ANA_CTRL_ADC21: 192 case RT5514_ANA_CTRL_ADC22: 193 case RT5514_ANA_CTRL_ADC23: 194 case RT5514_ANA_CTRL_MICBST: 195 case RT5514_ANA_CTRL_ADCFED: 196 case RT5514_ANA_CTRL_INBUF: 197 case RT5514_ANA_CTRL_VREF: 198 case RT5514_ANA_CTRL_PLL3: 199 case RT5514_ANA_CTRL_PLL1_1: 200 case RT5514_ANA_CTRL_PLL1_2: 201 case RT5514_DMIC_LP_CTRL: 202 case RT5514_MISC_CTRL_DSP: 203 case RT5514_DSP_CTRL1: 204 case RT5514_DSP_CTRL3: 205 case RT5514_DSP_CTRL4: 206 case RT5514_VENDOR_ID1: 207 case RT5514_VENDOR_ID2: 208 return true; 209 210 default: 211 return false; 212 } 213 } 214 215 static bool rt5514_i2c_readable_register(struct device *dev, 216 unsigned int reg) 217 { 218 switch (reg) { 219 case RT5514_DSP_MAPPING | RT5514_RESET: 220 case RT5514_DSP_MAPPING | RT5514_PWR_ANA1: 221 case RT5514_DSP_MAPPING | RT5514_PWR_ANA2: 222 case RT5514_DSP_MAPPING | RT5514_I2S_CTRL1: 223 case RT5514_DSP_MAPPING | RT5514_I2S_CTRL2: 224 case RT5514_DSP_MAPPING | RT5514_VAD_CTRL6: 225 case RT5514_DSP_MAPPING | RT5514_EXT_VAD_CTRL: 226 case RT5514_DSP_MAPPING | RT5514_DIG_IO_CTRL: 227 case RT5514_DSP_MAPPING | RT5514_PAD_CTRL1: 228 case RT5514_DSP_MAPPING | RT5514_DMIC_DATA_CTRL: 229 case RT5514_DSP_MAPPING | RT5514_DIG_SOURCE_CTRL: 230 case RT5514_DSP_MAPPING | RT5514_SRC_CTRL: 231 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER2_CTRL1: 232 case RT5514_DSP_MAPPING | RT5514_PLL_SOURCE_CTRL: 233 case RT5514_DSP_MAPPING | RT5514_CLK_CTRL1: 234 case RT5514_DSP_MAPPING | RT5514_CLK_CTRL2: 235 case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL1: 236 case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5: 237 case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1: 238 case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3: 239 case RT5514_DSP_MAPPING | RT5514_ASRC_IN_CTRL1: 240 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1: 241 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2: 242 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3: 243 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL1: 244 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL2: 245 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL3: 246 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO10: 247 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO18_16: 248 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC12: 249 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC21: 250 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC22: 251 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC23: 252 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_MICBST: 253 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADCFED: 254 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_INBUF: 255 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_VREF: 256 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL3: 257 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_1: 258 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_2: 259 case RT5514_DSP_MAPPING | RT5514_DMIC_LP_CTRL: 260 case RT5514_DSP_MAPPING | RT5514_MISC_CTRL_DSP: 261 case RT5514_DSP_MAPPING | RT5514_DSP_CTRL1: 262 case RT5514_DSP_MAPPING | RT5514_DSP_CTRL3: 263 case RT5514_DSP_MAPPING | RT5514_DSP_CTRL4: 264 case RT5514_DSP_MAPPING | RT5514_VENDOR_ID1: 265 case RT5514_DSP_MAPPING | RT5514_VENDOR_ID2: 266 return true; 267 268 default: 269 return false; 270 } 271 } 272 273 /* {-3, 0, +3, +4.5, +7.5, +9.5, +12, +14, +17} dB */ 274 static const DECLARE_TLV_DB_RANGE(bst_tlv, 275 0, 2, TLV_DB_SCALE_ITEM(-300, 300, 0), 276 3, 3, TLV_DB_SCALE_ITEM(450, 0, 0), 277 4, 4, TLV_DB_SCALE_ITEM(750, 0, 0), 278 5, 5, TLV_DB_SCALE_ITEM(950, 0, 0), 279 6, 6, TLV_DB_SCALE_ITEM(1200, 0, 0), 280 7, 7, TLV_DB_SCALE_ITEM(1400, 0, 0), 281 8, 8, TLV_DB_SCALE_ITEM(1700, 0, 0) 282 ); 283 284 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0); 285 286 static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol, 287 struct snd_ctl_elem_value *ucontrol) 288 { 289 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 290 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 291 292 ucontrol->value.integer.value[0] = rt5514->dsp_enabled; 293 294 return 0; 295 } 296 297 static int rt5514_calibration(struct rt5514_priv *rt5514, bool on) 298 { 299 if (on) { 300 regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL3, 0x0000000a); 301 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf, 302 0xa); 303 regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301, 304 0x301); 305 regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL4, 306 0x80000000 | rt5514->pll3_cal_value); 307 regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL1, 308 0x8bb80800); 309 regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5, 310 0xc0000000, 0x80000000); 311 regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5, 312 0xc0000000, 0xc0000000); 313 } else { 314 regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5, 315 0xc0000000, 0x40000000); 316 regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301, 0); 317 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf, 318 0x4); 319 } 320 321 return 0; 322 } 323 324 static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol, 325 struct snd_ctl_elem_value *ucontrol) 326 { 327 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 328 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 329 const struct firmware *fw = NULL; 330 u8 buf[8]; 331 332 if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled) 333 return 0; 334 335 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 336 rt5514->dsp_enabled = ucontrol->value.integer.value[0]; 337 338 if (rt5514->dsp_enabled) { 339 if (rt5514->pdata.dsp_calib_clk_name && 340 !IS_ERR(rt5514->dsp_calib_clk)) { 341 if (clk_set_rate(rt5514->dsp_calib_clk, 342 rt5514->pdata.dsp_calib_clk_rate)) 343 dev_err(component->dev, 344 "Can't set rate for mclk"); 345 346 if (clk_prepare_enable(rt5514->dsp_calib_clk)) 347 dev_err(component->dev, 348 "Can't enable dsp_calib_clk"); 349 350 rt5514_calibration(rt5514, true); 351 352 msleep(20); 353 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) 354 rt5514_spi_burst_read(RT5514_PLL3_CALIB_CTRL6 | 355 RT5514_DSP_MAPPING, buf, sizeof(buf)); 356 #else 357 dev_err(component->dev, "There is no SPI driver for" 358 " loading the firmware\n"); 359 memset(buf, 0, sizeof(buf)); 360 #endif 361 rt5514->pll3_cal_value = buf[0] | buf[1] << 8 | 362 buf[2] << 16 | buf[3] << 24; 363 364 rt5514_calibration(rt5514, false); 365 clk_disable_unprepare(rt5514->dsp_calib_clk); 366 } 367 368 rt5514_enable_dsp_prepare(rt5514); 369 370 request_firmware(&fw, RT5514_FIRMWARE1, component->dev); 371 if (fw) { 372 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) 373 rt5514_spi_burst_write(0x4ff60000, fw->data, 374 ((fw->size/8)+1)*8); 375 #else 376 dev_err(component->dev, "There is no SPI driver for" 377 " loading the firmware\n"); 378 #endif 379 release_firmware(fw); 380 fw = NULL; 381 } 382 383 request_firmware(&fw, RT5514_FIRMWARE2, component->dev); 384 if (fw) { 385 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) 386 rt5514_spi_burst_write(0x4ffc0000, fw->data, 387 ((fw->size/8)+1)*8); 388 #else 389 dev_err(component->dev, "There is no SPI driver for" 390 " loading the firmware\n"); 391 #endif 392 release_firmware(fw); 393 fw = NULL; 394 } 395 396 /* DSP run */ 397 regmap_write(rt5514->i2c_regmap, 0x18002f00, 398 0x00055148); 399 400 if (rt5514->pdata.dsp_calib_clk_name && 401 !IS_ERR(rt5514->dsp_calib_clk)) { 402 msleep(20); 403 404 regmap_write(rt5514->i2c_regmap, 0x1800211c, 405 rt5514->pll3_cal_value); 406 regmap_write(rt5514->i2c_regmap, 0x18002124, 407 0x00220012); 408 regmap_write(rt5514->i2c_regmap, 0x18002124, 409 0x80220042); 410 regmap_write(rt5514->i2c_regmap, 0x18002124, 411 0xe0220042); 412 } 413 } else { 414 regmap_multi_reg_write(rt5514->i2c_regmap, 415 rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch)); 416 regcache_mark_dirty(rt5514->regmap); 417 regcache_sync(rt5514->regmap); 418 } 419 } 420 421 return 1; 422 } 423 424 static const struct snd_kcontrol_new rt5514_snd_controls[] = { 425 SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST, 426 RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv), 427 SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1, 428 RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0, 429 adc_vol_tlv), 430 SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1, 431 RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0, 432 adc_vol_tlv), 433 SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0, 434 rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put), 435 }; 436 437 /* ADC Mixer*/ 438 static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = { 439 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1, 440 RT5514_AD_DMIC_MIX_BIT, 1, 1), 441 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1, 442 RT5514_AD_AD_MIX_BIT, 1, 1), 443 }; 444 445 static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = { 446 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2, 447 RT5514_AD_DMIC_MIX_BIT, 1, 1), 448 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2, 449 RT5514_AD_AD_MIX_BIT, 1, 1), 450 }; 451 452 static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = { 453 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1, 454 RT5514_AD_DMIC_MIX_BIT, 1, 1), 455 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1, 456 RT5514_AD_AD_MIX_BIT, 1, 1), 457 }; 458 459 static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = { 460 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2, 461 RT5514_AD_DMIC_MIX_BIT, 1, 1), 462 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2, 463 RT5514_AD_AD_MIX_BIT, 1, 1), 464 }; 465 466 /* DMIC Source */ 467 static const char * const rt5514_dmic_src[] = { 468 "DMIC1", "DMIC2" 469 }; 470 471 static SOC_ENUM_SINGLE_DECL( 472 rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL, 473 RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src); 474 475 static const struct snd_kcontrol_new rt5514_sto1_dmic_mux = 476 SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum); 477 478 static SOC_ENUM_SINGLE_DECL( 479 rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL, 480 RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src); 481 482 static const struct snd_kcontrol_new rt5514_sto2_dmic_mux = 483 SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum); 484 485 /** 486 * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic. 487 * 488 * @component: only used for dev_warn 489 * @rate: base clock rate. 490 * 491 * Choose divider parameter that gives the highest possible DMIC frequency in 492 * 1MHz - 3MHz range. 493 */ 494 static int rt5514_calc_dmic_clk(struct snd_soc_component *component, int rate) 495 { 496 static const int div[] = {2, 3, 4, 8, 12, 16, 24, 32}; 497 int i; 498 499 if (rate < 1000000 * div[0]) { 500 pr_warn("Base clock rate %d is too low\n", rate); 501 return -EINVAL; 502 } 503 504 for (i = 0; i < ARRAY_SIZE(div); i++) { 505 /* find divider that gives DMIC frequency below 3.072MHz */ 506 if (3072000 * div[i] >= rate) 507 return i; 508 } 509 510 dev_warn(component->dev, "Base clock rate %d is too high\n", rate); 511 return -EINVAL; 512 } 513 514 static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w, 515 struct snd_kcontrol *kcontrol, int event) 516 { 517 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 518 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 519 int idx; 520 521 idx = rt5514_calc_dmic_clk(component, rt5514->sysclk); 522 if (idx < 0) 523 dev_err(component->dev, "Failed to set DMIC clock\n"); 524 else 525 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1, 526 RT5514_CLK_DMIC_OUT_SEL_MASK, 527 idx << RT5514_CLK_DMIC_OUT_SEL_SFT); 528 529 if (rt5514->pdata.dmic_init_delay) 530 msleep(rt5514->pdata.dmic_init_delay); 531 532 return idx; 533 } 534 535 static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source, 536 struct snd_soc_dapm_widget *sink) 537 { 538 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm); 539 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 540 541 if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1) 542 return 1; 543 else 544 return 0; 545 } 546 547 static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source, 548 struct snd_soc_dapm_widget *sink) 549 { 550 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm); 551 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 552 553 return (rt5514->sysclk > rt5514->lrck * 384); 554 } 555 556 static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = { 557 /* Input Lines */ 558 SND_SOC_DAPM_INPUT("DMIC1L"), 559 SND_SOC_DAPM_INPUT("DMIC1R"), 560 SND_SOC_DAPM_INPUT("DMIC2L"), 561 SND_SOC_DAPM_INPUT("DMIC2R"), 562 563 SND_SOC_DAPM_INPUT("AMICL"), 564 SND_SOC_DAPM_INPUT("AMICR"), 565 566 SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0), 567 SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0), 568 569 SND_SOC_DAPM_SUPPLY_S("DMIC CLK", 1, SND_SOC_NOPM, 0, 0, 570 rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU), 571 572 SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1, 573 RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0), 574 575 SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1, 576 RT5514_POW_LDO18_IN_BIT, 0, NULL, 0), 577 SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1, 578 RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0), 579 SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0, 580 NULL, 0), 581 SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1, 582 RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0), 583 SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1, 584 RT5514_POW_BG_LDO21_BIT, 0, NULL, 0), 585 SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2, 586 RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0), 587 SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0, 588 NULL, 0), 589 SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0, 590 NULL, 0), 591 SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0, 592 NULL, 0), 593 SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0), 594 595 596 SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0, 597 NULL, 0), 598 SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0, 599 NULL, 0), 600 SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0, 601 NULL, 0), 602 SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0, 603 NULL, 0), 604 SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT, 605 0, NULL, 0), 606 SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0), 607 608 SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0, 609 NULL, 0), 610 SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0, 611 NULL, 0), 612 SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0, 613 NULL, 0), 614 SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0, 615 NULL, 0), 616 SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT, 617 0, NULL, 0), 618 SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0), 619 620 SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2, 621 RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0), 622 SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2, 623 RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0), 624 SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0, 625 NULL, 0), 626 SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2, 627 RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0), 628 SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2, 629 RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0), 630 631 /* ADC Mux */ 632 SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0, 633 &rt5514_sto1_dmic_mux), 634 SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0, 635 &rt5514_sto2_dmic_mux), 636 637 /* ADC Mixer */ 638 SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1, 639 RT5514_CLK_AD0_EN_BIT, 0, NULL, 0), 640 SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1, 641 RT5514_CLK_AD1_EN_BIT, 0, NULL, 0), 642 643 SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0, 644 rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)), 645 SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0, 646 rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)), 647 SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0, 648 rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)), 649 SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0, 650 rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)), 651 652 SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1, 653 RT5514_AD_AD_MUTE_BIT, 1), 654 SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2, 655 RT5514_AD_AD_MUTE_BIT, 1), 656 SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1, 657 RT5514_AD_AD_MUTE_BIT, 1), 658 SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2, 659 RT5514_AD_AD_MUTE_BIT, 1), 660 661 /* ADC PGA */ 662 SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0), 663 SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0), 664 665 /* Audio Interface */ 666 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0), 667 }; 668 669 static const struct snd_soc_dapm_route rt5514_dapm_routes[] = { 670 { "DMIC1", NULL, "DMIC1L" }, 671 { "DMIC1", NULL, "DMIC1R" }, 672 { "DMIC2", NULL, "DMIC2L" }, 673 { "DMIC2", NULL, "DMIC2R" }, 674 675 { "DMIC1L", NULL, "DMIC CLK" }, 676 { "DMIC1R", NULL, "DMIC CLK" }, 677 { "DMIC2L", NULL, "DMIC CLK" }, 678 { "DMIC2R", NULL, "DMIC CLK" }, 679 680 { "Stereo1 DMIC Mux", "DMIC1", "DMIC1" }, 681 { "Stereo1 DMIC Mux", "DMIC2", "DMIC2" }, 682 683 { "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" }, 684 { "Sto1 ADC MIXL", "ADC Switch", "AMICL" }, 685 { "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" }, 686 { "Sto1 ADC MIXR", "ADC Switch", "AMICR" }, 687 688 { "ADC Power", NULL, "LDO18 IN" }, 689 { "ADC Power", NULL, "LDO18 ADC" }, 690 { "ADC Power", NULL, "LDO21" }, 691 { "ADC Power", NULL, "BG LDO18 IN" }, 692 { "ADC Power", NULL, "BG LDO21" }, 693 { "ADC Power", NULL, "BG MBIAS" }, 694 { "ADC Power", NULL, "MBIAS" }, 695 { "ADC Power", NULL, "VREF2" }, 696 { "ADC Power", NULL, "VREF1" }, 697 698 { "ADCL Power", NULL, "LDO16L" }, 699 { "ADCL Power", NULL, "ADC1L" }, 700 { "ADCL Power", NULL, "BSTL2" }, 701 { "ADCL Power", NULL, "BSTL" }, 702 { "ADCL Power", NULL, "ADCFEDL" }, 703 704 { "ADCR Power", NULL, "LDO16R" }, 705 { "ADCR Power", NULL, "ADC1R" }, 706 { "ADCR Power", NULL, "BSTR2" }, 707 { "ADCR Power", NULL, "BSTR" }, 708 { "ADCR Power", NULL, "ADCFEDR" }, 709 710 { "AMICL", NULL, "ADC CLK" }, 711 { "AMICL", NULL, "ADC Power" }, 712 { "AMICL", NULL, "ADCL Power" }, 713 { "AMICR", NULL, "ADC CLK" }, 714 { "AMICR", NULL, "ADC Power" }, 715 { "AMICR", NULL, "ADCR Power" }, 716 717 { "PLL1 LDO", NULL, "PLL1 LDO ENABLE" }, 718 { "PLL1", NULL, "PLL1 LDO" }, 719 720 { "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" }, 721 { "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" }, 722 723 { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" }, 724 { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" }, 725 { "Stereo1 ADC MIX", NULL, "adc stereo1 filter" }, 726 { "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll }, 727 { "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc }, 728 729 { "Stereo2 DMIC Mux", "DMIC1", "DMIC1" }, 730 { "Stereo2 DMIC Mux", "DMIC2", "DMIC2" }, 731 732 { "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" }, 733 { "Sto2 ADC MIXL", "ADC Switch", "AMICL" }, 734 { "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" }, 735 { "Sto2 ADC MIXR", "ADC Switch", "AMICR" }, 736 737 { "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" }, 738 { "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" }, 739 740 { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" }, 741 { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" }, 742 { "Stereo2 ADC MIX", NULL, "adc stereo2 filter" }, 743 { "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll }, 744 { "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc }, 745 746 { "AIF1TX", NULL, "Stereo1 ADC MIX"}, 747 { "AIF1TX", NULL, "Stereo2 ADC MIX"}, 748 }; 749 750 static int rt5514_hw_params(struct snd_pcm_substream *substream, 751 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) 752 { 753 struct snd_soc_component *component = dai->component; 754 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 755 int pre_div, bclk_ms, frame_size; 756 unsigned int val_len = 0; 757 758 rt5514->lrck = params_rate(params); 759 pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck); 760 if (pre_div < 0) { 761 dev_err(component->dev, "Unsupported clock setting\n"); 762 return -EINVAL; 763 } 764 765 frame_size = snd_soc_params_to_frame_size(params); 766 if (frame_size < 0) { 767 dev_err(component->dev, "Unsupported frame size: %d\n", frame_size); 768 return -EINVAL; 769 } 770 771 bclk_ms = frame_size > 32; 772 rt5514->bclk = rt5514->lrck * (32 << bclk_ms); 773 774 dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n", 775 rt5514->bclk, rt5514->lrck); 776 dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n", 777 bclk_ms, pre_div, dai->id); 778 779 switch (params_format(params)) { 780 case SNDRV_PCM_FORMAT_S16_LE: 781 break; 782 case SNDRV_PCM_FORMAT_S20_3LE: 783 val_len = RT5514_I2S_DL_20; 784 break; 785 case SNDRV_PCM_FORMAT_S24_LE: 786 val_len = RT5514_I2S_DL_24; 787 break; 788 case SNDRV_PCM_FORMAT_S8: 789 val_len = RT5514_I2S_DL_8; 790 break; 791 default: 792 return -EINVAL; 793 } 794 795 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK, 796 val_len); 797 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1, 798 RT5514_CLK_AD_ANA1_SEL_MASK, 799 (pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT); 800 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, 801 RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK, 802 pre_div << RT5514_CLK_SYS_DIV_OUT_SFT | 803 pre_div << RT5514_SEL_ADC_OSR_SFT); 804 805 return 0; 806 } 807 808 static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 809 { 810 struct snd_soc_component *component = dai->component; 811 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 812 unsigned int reg_val = 0; 813 814 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 815 case SND_SOC_DAIFMT_NB_NF: 816 break; 817 818 case SND_SOC_DAIFMT_NB_IF: 819 reg_val |= RT5514_I2S_LR_INV; 820 break; 821 822 case SND_SOC_DAIFMT_IB_NF: 823 reg_val |= RT5514_I2S_BP_INV; 824 break; 825 826 case SND_SOC_DAIFMT_IB_IF: 827 reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV; 828 break; 829 830 default: 831 return -EINVAL; 832 } 833 834 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 835 case SND_SOC_DAIFMT_I2S: 836 break; 837 838 case SND_SOC_DAIFMT_LEFT_J: 839 reg_val |= RT5514_I2S_DF_LEFT; 840 break; 841 842 case SND_SOC_DAIFMT_DSP_A: 843 reg_val |= RT5514_I2S_DF_PCM_A; 844 break; 845 846 case SND_SOC_DAIFMT_DSP_B: 847 reg_val |= RT5514_I2S_DF_PCM_B; 848 break; 849 850 default: 851 return -EINVAL; 852 } 853 854 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, 855 RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK, 856 reg_val); 857 858 return 0; 859 } 860 861 static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai, 862 int clk_id, unsigned int freq, int dir) 863 { 864 struct snd_soc_component *component = dai->component; 865 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 866 unsigned int reg_val = 0; 867 868 if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src) 869 return 0; 870 871 switch (clk_id) { 872 case RT5514_SCLK_S_MCLK: 873 reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK; 874 break; 875 876 case RT5514_SCLK_S_PLL1: 877 reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL; 878 break; 879 880 default: 881 dev_err(component->dev, "Invalid clock id (%d)\n", clk_id); 882 return -EINVAL; 883 } 884 885 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, 886 RT5514_CLK_SYS_PRE_SEL_MASK, reg_val); 887 888 rt5514->sysclk = freq; 889 rt5514->sysclk_src = clk_id; 890 891 dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id); 892 893 return 0; 894 } 895 896 static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source, 897 unsigned int freq_in, unsigned int freq_out) 898 { 899 struct snd_soc_component *component = dai->component; 900 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 901 struct rl6231_pll_code pll_code; 902 int ret; 903 904 if (!freq_in || !freq_out) { 905 dev_dbg(component->dev, "PLL disabled\n"); 906 907 rt5514->pll_in = 0; 908 rt5514->pll_out = 0; 909 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, 910 RT5514_CLK_SYS_PRE_SEL_MASK, 911 RT5514_CLK_SYS_PRE_SEL_MCLK); 912 913 return 0; 914 } 915 916 if (source == rt5514->pll_src && freq_in == rt5514->pll_in && 917 freq_out == rt5514->pll_out) 918 return 0; 919 920 switch (source) { 921 case RT5514_PLL1_S_MCLK: 922 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 923 RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK); 924 break; 925 926 case RT5514_PLL1_S_BCLK: 927 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 928 RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK); 929 break; 930 931 default: 932 dev_err(component->dev, "Unknown PLL source %d\n", source); 933 return -EINVAL; 934 } 935 936 ret = rl6231_pll_calc(freq_in, freq_out, &pll_code); 937 if (ret < 0) { 938 dev_err(component->dev, "Unsupported input clock %d\n", freq_in); 939 return ret; 940 } 941 942 dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n", 943 pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code), 944 pll_code.n_code, pll_code.k_code); 945 946 regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1, 947 pll_code.k_code << RT5514_PLL_K_SFT | 948 pll_code.n_code << RT5514_PLL_N_SFT | 949 (pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT); 950 regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2, 951 RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT); 952 953 rt5514->pll_in = freq_in; 954 rt5514->pll_out = freq_out; 955 rt5514->pll_src = source; 956 957 return 0; 958 } 959 960 static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, 961 unsigned int rx_mask, int slots, int slot_width) 962 { 963 struct snd_soc_component *component = dai->component; 964 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 965 unsigned int val = 0, val2 = 0; 966 967 if (rx_mask || tx_mask) 968 val |= RT5514_TDM_MODE; 969 970 switch (tx_mask) { 971 case 0x3: 972 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 | 973 RT5514_TDM_DOCKING_START_SLOT0; 974 break; 975 976 case 0x30: 977 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 | 978 RT5514_TDM_DOCKING_START_SLOT4; 979 break; 980 981 case 0xf: 982 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 | 983 RT5514_TDM_DOCKING_START_SLOT0; 984 break; 985 986 case 0xf0: 987 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 | 988 RT5514_TDM_DOCKING_START_SLOT4; 989 break; 990 991 default: 992 break; 993 } 994 995 996 997 switch (slots) { 998 case 4: 999 val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH; 1000 break; 1001 1002 case 6: 1003 val |= RT5514_TDMSLOT_SEL_RX_6CH | RT5514_TDMSLOT_SEL_TX_6CH; 1004 break; 1005 1006 case 8: 1007 val |= RT5514_TDMSLOT_SEL_RX_8CH | RT5514_TDMSLOT_SEL_TX_8CH; 1008 break; 1009 1010 case 2: 1011 default: 1012 break; 1013 } 1014 1015 switch (slot_width) { 1016 case 20: 1017 val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20; 1018 break; 1019 1020 case 24: 1021 val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24; 1022 break; 1023 1024 case 25: 1025 val |= RT5514_TDM_MODE2; 1026 break; 1027 1028 case 32: 1029 val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32; 1030 break; 1031 1032 case 16: 1033 default: 1034 break; 1035 } 1036 1037 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE | 1038 RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK | 1039 RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK | 1040 RT5514_TDM_MODE2, val); 1041 1042 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL2, 1043 RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH_MASK | 1044 RT5514_TDM_DOCKING_START_MASK, val2); 1045 1046 return 0; 1047 } 1048 1049 static int rt5514_set_bias_level(struct snd_soc_component *component, 1050 enum snd_soc_bias_level level) 1051 { 1052 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 1053 int ret; 1054 1055 switch (level) { 1056 case SND_SOC_BIAS_PREPARE: 1057 if (IS_ERR(rt5514->mclk)) 1058 break; 1059 1060 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) { 1061 clk_disable_unprepare(rt5514->mclk); 1062 } else { 1063 ret = clk_prepare_enable(rt5514->mclk); 1064 if (ret) 1065 return ret; 1066 } 1067 break; 1068 1069 case SND_SOC_BIAS_STANDBY: 1070 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 1071 /* 1072 * If the DSP is enabled in start of recording, the DSP 1073 * should be disabled, and sync back to normal recording 1074 * settings to make sure recording properly. 1075 */ 1076 if (rt5514->dsp_enabled) { 1077 rt5514->dsp_enabled = 0; 1078 regmap_multi_reg_write(rt5514->i2c_regmap, 1079 rt5514_i2c_patch, 1080 ARRAY_SIZE(rt5514_i2c_patch)); 1081 regcache_mark_dirty(rt5514->regmap); 1082 regcache_sync(rt5514->regmap); 1083 } 1084 } 1085 break; 1086 1087 default: 1088 break; 1089 } 1090 1091 return 0; 1092 } 1093 1094 static int rt5514_probe(struct snd_soc_component *component) 1095 { 1096 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 1097 struct platform_device *pdev = container_of(component->dev, 1098 struct platform_device, dev); 1099 1100 rt5514->mclk = devm_clk_get(component->dev, "mclk"); 1101 if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER) 1102 return -EPROBE_DEFER; 1103 1104 if (rt5514->pdata.dsp_calib_clk_name) { 1105 rt5514->dsp_calib_clk = devm_clk_get(&pdev->dev, 1106 rt5514->pdata.dsp_calib_clk_name); 1107 if (PTR_ERR(rt5514->dsp_calib_clk) == -EPROBE_DEFER) 1108 return -EPROBE_DEFER; 1109 } 1110 1111 rt5514->component = component; 1112 rt5514->pll3_cal_value = 0x0078b000; 1113 1114 return 0; 1115 } 1116 1117 static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val) 1118 { 1119 struct i2c_client *client = context; 1120 struct rt5514_priv *rt5514 = i2c_get_clientdata(client); 1121 1122 regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val); 1123 1124 return 0; 1125 } 1126 1127 static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val) 1128 { 1129 struct i2c_client *client = context; 1130 struct rt5514_priv *rt5514 = i2c_get_clientdata(client); 1131 1132 regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val); 1133 1134 return 0; 1135 } 1136 1137 #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000 1138 #define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 1139 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) 1140 1141 static const struct snd_soc_dai_ops rt5514_aif_dai_ops = { 1142 .hw_params = rt5514_hw_params, 1143 .set_fmt = rt5514_set_dai_fmt, 1144 .set_sysclk = rt5514_set_dai_sysclk, 1145 .set_pll = rt5514_set_dai_pll, 1146 .set_tdm_slot = rt5514_set_tdm_slot, 1147 }; 1148 1149 static struct snd_soc_dai_driver rt5514_dai[] = { 1150 { 1151 .name = "rt5514-aif1", 1152 .id = 0, 1153 .capture = { 1154 .stream_name = "AIF1 Capture", 1155 .channels_min = 1, 1156 .channels_max = 4, 1157 .rates = RT5514_STEREO_RATES, 1158 .formats = RT5514_FORMATS, 1159 }, 1160 .ops = &rt5514_aif_dai_ops, 1161 } 1162 }; 1163 1164 static const struct snd_soc_component_driver soc_component_dev_rt5514 = { 1165 .probe = rt5514_probe, 1166 .set_bias_level = rt5514_set_bias_level, 1167 .controls = rt5514_snd_controls, 1168 .num_controls = ARRAY_SIZE(rt5514_snd_controls), 1169 .dapm_widgets = rt5514_dapm_widgets, 1170 .num_dapm_widgets = ARRAY_SIZE(rt5514_dapm_widgets), 1171 .dapm_routes = rt5514_dapm_routes, 1172 .num_dapm_routes = ARRAY_SIZE(rt5514_dapm_routes), 1173 .use_pmdown_time = 1, 1174 .endianness = 1, 1175 }; 1176 1177 static const struct regmap_config rt5514_i2c_regmap = { 1178 .name = "i2c", 1179 .reg_bits = 32, 1180 .val_bits = 32, 1181 1182 .readable_reg = rt5514_i2c_readable_register, 1183 1184 .cache_type = REGCACHE_NONE, 1185 }; 1186 1187 static const struct regmap_config rt5514_regmap = { 1188 .reg_bits = 16, 1189 .val_bits = 32, 1190 1191 .max_register = RT5514_VENDOR_ID2, 1192 .volatile_reg = rt5514_volatile_register, 1193 .readable_reg = rt5514_readable_register, 1194 .reg_read = rt5514_i2c_read, 1195 .reg_write = rt5514_i2c_write, 1196 1197 .cache_type = REGCACHE_MAPLE, 1198 .reg_defaults = rt5514_reg, 1199 .num_reg_defaults = ARRAY_SIZE(rt5514_reg), 1200 .use_single_read = true, 1201 .use_single_write = true, 1202 }; 1203 1204 static const struct i2c_device_id rt5514_i2c_id[] = { 1205 { "rt5514", 0 }, 1206 { } 1207 }; 1208 MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id); 1209 1210 #if defined(CONFIG_OF) 1211 static const struct of_device_id rt5514_of_match[] = { 1212 { .compatible = "realtek,rt5514", }, 1213 {}, 1214 }; 1215 MODULE_DEVICE_TABLE(of, rt5514_of_match); 1216 #endif 1217 1218 #ifdef CONFIG_ACPI 1219 static const struct acpi_device_id rt5514_acpi_match[] = { 1220 { "10EC5514", 0}, 1221 {}, 1222 }; 1223 MODULE_DEVICE_TABLE(acpi, rt5514_acpi_match); 1224 #endif 1225 1226 static int rt5514_parse_dp(struct rt5514_priv *rt5514, struct device *dev) 1227 { 1228 device_property_read_u32(dev, "realtek,dmic-init-delay-ms", 1229 &rt5514->pdata.dmic_init_delay); 1230 device_property_read_string(dev, "realtek,dsp-calib-clk-name", 1231 &rt5514->pdata.dsp_calib_clk_name); 1232 device_property_read_u32(dev, "realtek,dsp-calib-clk-rate", 1233 &rt5514->pdata.dsp_calib_clk_rate); 1234 1235 return 0; 1236 } 1237 1238 static __maybe_unused int rt5514_i2c_resume(struct device *dev) 1239 { 1240 struct rt5514_priv *rt5514 = dev_get_drvdata(dev); 1241 unsigned int val; 1242 1243 /* 1244 * Add a bogus read to avoid rt5514's confusion after s2r in case it 1245 * saw glitches on the i2c lines and thought the other side sent a 1246 * start bit. 1247 */ 1248 regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val); 1249 1250 return 0; 1251 } 1252 1253 static int rt5514_i2c_probe(struct i2c_client *i2c) 1254 { 1255 struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev); 1256 struct rt5514_priv *rt5514; 1257 int ret; 1258 unsigned int val = ~0; 1259 1260 rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv), 1261 GFP_KERNEL); 1262 if (rt5514 == NULL) 1263 return -ENOMEM; 1264 1265 i2c_set_clientdata(i2c, rt5514); 1266 1267 if (pdata) 1268 rt5514->pdata = *pdata; 1269 else 1270 rt5514_parse_dp(rt5514, &i2c->dev); 1271 1272 rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap); 1273 if (IS_ERR(rt5514->i2c_regmap)) { 1274 ret = PTR_ERR(rt5514->i2c_regmap); 1275 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1276 ret); 1277 return ret; 1278 } 1279 1280 rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap); 1281 if (IS_ERR(rt5514->regmap)) { 1282 ret = PTR_ERR(rt5514->regmap); 1283 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1284 ret); 1285 return ret; 1286 } 1287 1288 /* 1289 * The rt5514 can get confused if the i2c lines glitch together, as 1290 * can happen at bootup as regulators are turned off and on. If it's 1291 * in this glitched state the first i2c read will fail, so we'll give 1292 * it one change to retry. 1293 */ 1294 ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val); 1295 if (ret || val != RT5514_DEVICE_ID) 1296 ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val); 1297 if (ret || val != RT5514_DEVICE_ID) { 1298 dev_err(&i2c->dev, 1299 "Device with ID register %x is not rt5514\n", val); 1300 return -ENODEV; 1301 } 1302 1303 ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch, 1304 ARRAY_SIZE(rt5514_i2c_patch)); 1305 if (ret != 0) 1306 dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n", 1307 ret); 1308 1309 ret = regmap_register_patch(rt5514->regmap, rt5514_patch, 1310 ARRAY_SIZE(rt5514_patch)); 1311 if (ret != 0) 1312 dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret); 1313 1314 return devm_snd_soc_register_component(&i2c->dev, 1315 &soc_component_dev_rt5514, 1316 rt5514_dai, ARRAY_SIZE(rt5514_dai)); 1317 } 1318 1319 static const struct dev_pm_ops rt5514_i2_pm_ops = { 1320 SET_SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume) 1321 }; 1322 1323 static struct i2c_driver rt5514_i2c_driver = { 1324 .driver = { 1325 .name = "rt5514", 1326 .acpi_match_table = ACPI_PTR(rt5514_acpi_match), 1327 .of_match_table = of_match_ptr(rt5514_of_match), 1328 .pm = &rt5514_i2_pm_ops, 1329 }, 1330 .probe = rt5514_i2c_probe, 1331 .id_table = rt5514_i2c_id, 1332 }; 1333 module_i2c_driver(rt5514_i2c_driver); 1334 1335 MODULE_DESCRIPTION("ASoC RT5514 driver"); 1336 MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>"); 1337 MODULE_LICENSE("GPL v2"); 1338