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 snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 329 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 330 const struct firmware *fw = NULL; 331 u8 buf[8]; 332 333 if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled) 334 return 0; 335 336 if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) { 337 rt5514->dsp_enabled = ucontrol->value.integer.value[0]; 338 339 if (rt5514->dsp_enabled) { 340 if (rt5514->pdata.dsp_calib_clk_name && 341 !IS_ERR(rt5514->dsp_calib_clk)) { 342 if (clk_set_rate(rt5514->dsp_calib_clk, 343 rt5514->pdata.dsp_calib_clk_rate)) 344 dev_err(component->dev, 345 "Can't set rate for mclk"); 346 347 if (clk_prepare_enable(rt5514->dsp_calib_clk)) 348 dev_err(component->dev, 349 "Can't enable dsp_calib_clk"); 350 351 rt5514_calibration(rt5514, true); 352 353 msleep(20); 354 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) 355 rt5514_spi_burst_read(RT5514_PLL3_CALIB_CTRL6 | 356 RT5514_DSP_MAPPING, buf, sizeof(buf)); 357 #else 358 dev_err(component->dev, "There is no SPI driver for" 359 " loading the firmware\n"); 360 memset(buf, 0, sizeof(buf)); 361 #endif 362 rt5514->pll3_cal_value = buf[0] | buf[1] << 8 | 363 buf[2] << 16 | buf[3] << 24; 364 365 rt5514_calibration(rt5514, false); 366 clk_disable_unprepare(rt5514->dsp_calib_clk); 367 } 368 369 rt5514_enable_dsp_prepare(rt5514); 370 371 request_firmware(&fw, RT5514_FIRMWARE1, component->dev); 372 if (fw) { 373 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) 374 rt5514_spi_burst_write(0x4ff60000, fw->data, 375 ((fw->size/8)+1)*8); 376 #else 377 dev_err(component->dev, "There is no SPI driver for" 378 " loading the firmware\n"); 379 #endif 380 release_firmware(fw); 381 fw = NULL; 382 } 383 384 request_firmware(&fw, RT5514_FIRMWARE2, component->dev); 385 if (fw) { 386 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) 387 rt5514_spi_burst_write(0x4ffc0000, fw->data, 388 ((fw->size/8)+1)*8); 389 #else 390 dev_err(component->dev, "There is no SPI driver for" 391 " loading the firmware\n"); 392 #endif 393 release_firmware(fw); 394 fw = NULL; 395 } 396 397 /* DSP run */ 398 regmap_write(rt5514->i2c_regmap, 0x18002f00, 399 0x00055148); 400 401 if (rt5514->pdata.dsp_calib_clk_name && 402 !IS_ERR(rt5514->dsp_calib_clk)) { 403 msleep(20); 404 405 regmap_write(rt5514->i2c_regmap, 0x1800211c, 406 rt5514->pll3_cal_value); 407 regmap_write(rt5514->i2c_regmap, 0x18002124, 408 0x00220012); 409 regmap_write(rt5514->i2c_regmap, 0x18002124, 410 0x80220042); 411 regmap_write(rt5514->i2c_regmap, 0x18002124, 412 0xe0220042); 413 } 414 } else { 415 regmap_multi_reg_write(rt5514->i2c_regmap, 416 rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch)); 417 regcache_mark_dirty(rt5514->regmap); 418 regcache_sync(rt5514->regmap); 419 } 420 } 421 422 return 1; 423 } 424 425 static const struct snd_kcontrol_new rt5514_snd_controls[] = { 426 SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST, 427 RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv), 428 SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1, 429 RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0, 430 adc_vol_tlv), 431 SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1, 432 RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0, 433 adc_vol_tlv), 434 SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0, 435 rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put), 436 }; 437 438 /* ADC Mixer*/ 439 static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = { 440 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1, 441 RT5514_AD_DMIC_MIX_BIT, 1, 1), 442 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1, 443 RT5514_AD_AD_MIX_BIT, 1, 1), 444 }; 445 446 static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = { 447 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2, 448 RT5514_AD_DMIC_MIX_BIT, 1, 1), 449 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2, 450 RT5514_AD_AD_MIX_BIT, 1, 1), 451 }; 452 453 static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = { 454 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1, 455 RT5514_AD_DMIC_MIX_BIT, 1, 1), 456 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1, 457 RT5514_AD_AD_MIX_BIT, 1, 1), 458 }; 459 460 static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = { 461 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2, 462 RT5514_AD_DMIC_MIX_BIT, 1, 1), 463 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2, 464 RT5514_AD_AD_MIX_BIT, 1, 1), 465 }; 466 467 /* DMIC Source */ 468 static const char * const rt5514_dmic_src[] = { 469 "DMIC1", "DMIC2" 470 }; 471 472 static SOC_ENUM_SINGLE_DECL( 473 rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL, 474 RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src); 475 476 static const struct snd_kcontrol_new rt5514_sto1_dmic_mux = 477 SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum); 478 479 static SOC_ENUM_SINGLE_DECL( 480 rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL, 481 RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src); 482 483 static const struct snd_kcontrol_new rt5514_sto2_dmic_mux = 484 SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum); 485 486 /** 487 * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic. 488 * 489 * @component: only used for dev_warn 490 * @rate: base clock rate. 491 * 492 * Choose divider parameter that gives the highest possible DMIC frequency in 493 * 1MHz - 3MHz range. 494 */ 495 static int rt5514_calc_dmic_clk(struct snd_soc_component *component, int rate) 496 { 497 static const int div[] = {2, 3, 4, 8, 12, 16, 24, 32}; 498 int i; 499 500 if (rate < 1000000 * div[0]) { 501 pr_warn("Base clock rate %d is too low\n", rate); 502 return -EINVAL; 503 } 504 505 for (i = 0; i < ARRAY_SIZE(div); i++) { 506 /* find divider that gives DMIC frequency below 3.072MHz */ 507 if (3072000 * div[i] >= rate) 508 return i; 509 } 510 511 dev_warn(component->dev, "Base clock rate %d is too high\n", rate); 512 return -EINVAL; 513 } 514 515 static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w, 516 struct snd_kcontrol *kcontrol, int event) 517 { 518 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 519 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 520 int idx; 521 522 idx = rt5514_calc_dmic_clk(component, rt5514->sysclk); 523 if (idx < 0) 524 dev_err(component->dev, "Failed to set DMIC clock\n"); 525 else 526 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1, 527 RT5514_CLK_DMIC_OUT_SEL_MASK, 528 idx << RT5514_CLK_DMIC_OUT_SEL_SFT); 529 530 if (rt5514->pdata.dmic_init_delay) 531 msleep(rt5514->pdata.dmic_init_delay); 532 533 return idx; 534 } 535 536 static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source, 537 struct snd_soc_dapm_widget *sink) 538 { 539 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm); 540 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 541 542 if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1) 543 return 1; 544 else 545 return 0; 546 } 547 548 static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source, 549 struct snd_soc_dapm_widget *sink) 550 { 551 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm); 552 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 553 554 return (rt5514->sysclk > rt5514->lrck * 384); 555 } 556 557 static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = { 558 /* Input Lines */ 559 SND_SOC_DAPM_INPUT("DMIC1L"), 560 SND_SOC_DAPM_INPUT("DMIC1R"), 561 SND_SOC_DAPM_INPUT("DMIC2L"), 562 SND_SOC_DAPM_INPUT("DMIC2R"), 563 564 SND_SOC_DAPM_INPUT("AMICL"), 565 SND_SOC_DAPM_INPUT("AMICR"), 566 567 SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0), 568 SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0), 569 570 SND_SOC_DAPM_SUPPLY_S("DMIC CLK", 1, SND_SOC_NOPM, 0, 0, 571 rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU), 572 573 SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1, 574 RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0), 575 576 SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1, 577 RT5514_POW_LDO18_IN_BIT, 0, NULL, 0), 578 SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1, 579 RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0), 580 SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0, 581 NULL, 0), 582 SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1, 583 RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0), 584 SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1, 585 RT5514_POW_BG_LDO21_BIT, 0, NULL, 0), 586 SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2, 587 RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0), 588 SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0, 589 NULL, 0), 590 SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0, 591 NULL, 0), 592 SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0, 593 NULL, 0), 594 SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0), 595 596 597 SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0, 598 NULL, 0), 599 SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0, 600 NULL, 0), 601 SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0, 602 NULL, 0), 603 SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0, 604 NULL, 0), 605 SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT, 606 0, NULL, 0), 607 SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0), 608 609 SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0, 610 NULL, 0), 611 SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0, 612 NULL, 0), 613 SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0, 614 NULL, 0), 615 SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0, 616 NULL, 0), 617 SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT, 618 0, NULL, 0), 619 SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0), 620 621 SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2, 622 RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0), 623 SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2, 624 RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0), 625 SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0, 626 NULL, 0), 627 SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2, 628 RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0), 629 SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2, 630 RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0), 631 632 /* ADC Mux */ 633 SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0, 634 &rt5514_sto1_dmic_mux), 635 SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0, 636 &rt5514_sto2_dmic_mux), 637 638 /* ADC Mixer */ 639 SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1, 640 RT5514_CLK_AD0_EN_BIT, 0, NULL, 0), 641 SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1, 642 RT5514_CLK_AD1_EN_BIT, 0, NULL, 0), 643 644 SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0, 645 rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)), 646 SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0, 647 rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)), 648 SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0, 649 rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)), 650 SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0, 651 rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)), 652 653 SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1, 654 RT5514_AD_AD_MUTE_BIT, 1), 655 SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2, 656 RT5514_AD_AD_MUTE_BIT, 1), 657 SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1, 658 RT5514_AD_AD_MUTE_BIT, 1), 659 SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2, 660 RT5514_AD_AD_MUTE_BIT, 1), 661 662 /* ADC PGA */ 663 SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0), 664 SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0), 665 666 /* Audio Interface */ 667 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0), 668 }; 669 670 static const struct snd_soc_dapm_route rt5514_dapm_routes[] = { 671 { "DMIC1", NULL, "DMIC1L" }, 672 { "DMIC1", NULL, "DMIC1R" }, 673 { "DMIC2", NULL, "DMIC2L" }, 674 { "DMIC2", NULL, "DMIC2R" }, 675 676 { "DMIC1L", NULL, "DMIC CLK" }, 677 { "DMIC1R", NULL, "DMIC CLK" }, 678 { "DMIC2L", NULL, "DMIC CLK" }, 679 { "DMIC2R", NULL, "DMIC CLK" }, 680 681 { "Stereo1 DMIC Mux", "DMIC1", "DMIC1" }, 682 { "Stereo1 DMIC Mux", "DMIC2", "DMIC2" }, 683 684 { "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" }, 685 { "Sto1 ADC MIXL", "ADC Switch", "AMICL" }, 686 { "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" }, 687 { "Sto1 ADC MIXR", "ADC Switch", "AMICR" }, 688 689 { "ADC Power", NULL, "LDO18 IN" }, 690 { "ADC Power", NULL, "LDO18 ADC" }, 691 { "ADC Power", NULL, "LDO21" }, 692 { "ADC Power", NULL, "BG LDO18 IN" }, 693 { "ADC Power", NULL, "BG LDO21" }, 694 { "ADC Power", NULL, "BG MBIAS" }, 695 { "ADC Power", NULL, "MBIAS" }, 696 { "ADC Power", NULL, "VREF2" }, 697 { "ADC Power", NULL, "VREF1" }, 698 699 { "ADCL Power", NULL, "LDO16L" }, 700 { "ADCL Power", NULL, "ADC1L" }, 701 { "ADCL Power", NULL, "BSTL2" }, 702 { "ADCL Power", NULL, "BSTL" }, 703 { "ADCL Power", NULL, "ADCFEDL" }, 704 705 { "ADCR Power", NULL, "LDO16R" }, 706 { "ADCR Power", NULL, "ADC1R" }, 707 { "ADCR Power", NULL, "BSTR2" }, 708 { "ADCR Power", NULL, "BSTR" }, 709 { "ADCR Power", NULL, "ADCFEDR" }, 710 711 { "AMICL", NULL, "ADC CLK" }, 712 { "AMICL", NULL, "ADC Power" }, 713 { "AMICL", NULL, "ADCL Power" }, 714 { "AMICR", NULL, "ADC CLK" }, 715 { "AMICR", NULL, "ADC Power" }, 716 { "AMICR", NULL, "ADCR Power" }, 717 718 { "PLL1 LDO", NULL, "PLL1 LDO ENABLE" }, 719 { "PLL1", NULL, "PLL1 LDO" }, 720 721 { "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" }, 722 { "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" }, 723 724 { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" }, 725 { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" }, 726 { "Stereo1 ADC MIX", NULL, "adc stereo1 filter" }, 727 { "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll }, 728 { "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc }, 729 730 { "Stereo2 DMIC Mux", "DMIC1", "DMIC1" }, 731 { "Stereo2 DMIC Mux", "DMIC2", "DMIC2" }, 732 733 { "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" }, 734 { "Sto2 ADC MIXL", "ADC Switch", "AMICL" }, 735 { "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" }, 736 { "Sto2 ADC MIXR", "ADC Switch", "AMICR" }, 737 738 { "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" }, 739 { "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" }, 740 741 { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" }, 742 { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" }, 743 { "Stereo2 ADC MIX", NULL, "adc stereo2 filter" }, 744 { "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll }, 745 { "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc }, 746 747 { "AIF1TX", NULL, "Stereo1 ADC MIX"}, 748 { "AIF1TX", NULL, "Stereo2 ADC MIX"}, 749 }; 750 751 static int rt5514_hw_params(struct snd_pcm_substream *substream, 752 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) 753 { 754 struct snd_soc_component *component = dai->component; 755 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 756 int pre_div, bclk_ms, frame_size; 757 unsigned int val_len = 0; 758 759 rt5514->lrck = params_rate(params); 760 pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck); 761 if (pre_div < 0) { 762 dev_err(component->dev, "Unsupported clock setting\n"); 763 return -EINVAL; 764 } 765 766 frame_size = snd_soc_params_to_frame_size(params); 767 if (frame_size < 0) { 768 dev_err(component->dev, "Unsupported frame size: %d\n", frame_size); 769 return -EINVAL; 770 } 771 772 bclk_ms = frame_size > 32; 773 rt5514->bclk = rt5514->lrck * (32 << bclk_ms); 774 775 dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n", 776 rt5514->bclk, rt5514->lrck); 777 dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n", 778 bclk_ms, pre_div, dai->id); 779 780 switch (params_format(params)) { 781 case SNDRV_PCM_FORMAT_S16_LE: 782 break; 783 case SNDRV_PCM_FORMAT_S20_3LE: 784 val_len = RT5514_I2S_DL_20; 785 break; 786 case SNDRV_PCM_FORMAT_S24_LE: 787 val_len = RT5514_I2S_DL_24; 788 break; 789 case SNDRV_PCM_FORMAT_S8: 790 val_len = RT5514_I2S_DL_8; 791 break; 792 default: 793 return -EINVAL; 794 } 795 796 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK, 797 val_len); 798 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1, 799 RT5514_CLK_AD_ANA1_SEL_MASK, 800 (pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT); 801 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, 802 RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK, 803 pre_div << RT5514_CLK_SYS_DIV_OUT_SFT | 804 pre_div << RT5514_SEL_ADC_OSR_SFT); 805 806 return 0; 807 } 808 809 static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 810 { 811 struct snd_soc_component *component = dai->component; 812 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 813 unsigned int reg_val = 0; 814 815 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 816 case SND_SOC_DAIFMT_NB_NF: 817 break; 818 819 case SND_SOC_DAIFMT_NB_IF: 820 reg_val |= RT5514_I2S_LR_INV; 821 break; 822 823 case SND_SOC_DAIFMT_IB_NF: 824 reg_val |= RT5514_I2S_BP_INV; 825 break; 826 827 case SND_SOC_DAIFMT_IB_IF: 828 reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV; 829 break; 830 831 default: 832 return -EINVAL; 833 } 834 835 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 836 case SND_SOC_DAIFMT_I2S: 837 break; 838 839 case SND_SOC_DAIFMT_LEFT_J: 840 reg_val |= RT5514_I2S_DF_LEFT; 841 break; 842 843 case SND_SOC_DAIFMT_DSP_A: 844 reg_val |= RT5514_I2S_DF_PCM_A; 845 break; 846 847 case SND_SOC_DAIFMT_DSP_B: 848 reg_val |= RT5514_I2S_DF_PCM_B; 849 break; 850 851 default: 852 return -EINVAL; 853 } 854 855 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, 856 RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK, 857 reg_val); 858 859 return 0; 860 } 861 862 static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai, 863 int clk_id, unsigned int freq, int dir) 864 { 865 struct snd_soc_component *component = dai->component; 866 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 867 unsigned int reg_val = 0; 868 869 if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src) 870 return 0; 871 872 switch (clk_id) { 873 case RT5514_SCLK_S_MCLK: 874 reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK; 875 break; 876 877 case RT5514_SCLK_S_PLL1: 878 reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL; 879 break; 880 881 default: 882 dev_err(component->dev, "Invalid clock id (%d)\n", clk_id); 883 return -EINVAL; 884 } 885 886 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, 887 RT5514_CLK_SYS_PRE_SEL_MASK, reg_val); 888 889 rt5514->sysclk = freq; 890 rt5514->sysclk_src = clk_id; 891 892 dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id); 893 894 return 0; 895 } 896 897 static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source, 898 unsigned int freq_in, unsigned int freq_out) 899 { 900 struct snd_soc_component *component = dai->component; 901 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 902 struct rl6231_pll_code pll_code; 903 int ret; 904 905 if (!freq_in || !freq_out) { 906 dev_dbg(component->dev, "PLL disabled\n"); 907 908 rt5514->pll_in = 0; 909 rt5514->pll_out = 0; 910 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, 911 RT5514_CLK_SYS_PRE_SEL_MASK, 912 RT5514_CLK_SYS_PRE_SEL_MCLK); 913 914 return 0; 915 } 916 917 if (source == rt5514->pll_src && freq_in == rt5514->pll_in && 918 freq_out == rt5514->pll_out) 919 return 0; 920 921 switch (source) { 922 case RT5514_PLL1_S_MCLK: 923 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 924 RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK); 925 break; 926 927 case RT5514_PLL1_S_BCLK: 928 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 929 RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK); 930 break; 931 932 default: 933 dev_err(component->dev, "Unknown PLL source %d\n", source); 934 return -EINVAL; 935 } 936 937 ret = rl6231_pll_calc(freq_in, freq_out, &pll_code); 938 if (ret < 0) { 939 dev_err(component->dev, "Unsupported input clock %d\n", freq_in); 940 return ret; 941 } 942 943 dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n", 944 pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code), 945 pll_code.n_code, pll_code.k_code); 946 947 regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1, 948 pll_code.k_code << RT5514_PLL_K_SFT | 949 pll_code.n_code << RT5514_PLL_N_SFT | 950 (pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT); 951 regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2, 952 RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT); 953 954 rt5514->pll_in = freq_in; 955 rt5514->pll_out = freq_out; 956 rt5514->pll_src = source; 957 958 return 0; 959 } 960 961 static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, 962 unsigned int rx_mask, int slots, int slot_width) 963 { 964 struct snd_soc_component *component = dai->component; 965 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 966 unsigned int val = 0, val2 = 0; 967 968 if (rx_mask || tx_mask) 969 val |= RT5514_TDM_MODE; 970 971 switch (tx_mask) { 972 case 0x3: 973 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 | 974 RT5514_TDM_DOCKING_START_SLOT0; 975 break; 976 977 case 0x30: 978 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 | 979 RT5514_TDM_DOCKING_START_SLOT4; 980 break; 981 982 case 0xf: 983 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 | 984 RT5514_TDM_DOCKING_START_SLOT0; 985 break; 986 987 case 0xf0: 988 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 | 989 RT5514_TDM_DOCKING_START_SLOT4; 990 break; 991 992 default: 993 break; 994 } 995 996 997 998 switch (slots) { 999 case 4: 1000 val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH; 1001 break; 1002 1003 case 6: 1004 val |= RT5514_TDMSLOT_SEL_RX_6CH | RT5514_TDMSLOT_SEL_TX_6CH; 1005 break; 1006 1007 case 8: 1008 val |= RT5514_TDMSLOT_SEL_RX_8CH | RT5514_TDMSLOT_SEL_TX_8CH; 1009 break; 1010 1011 case 2: 1012 default: 1013 break; 1014 } 1015 1016 switch (slot_width) { 1017 case 20: 1018 val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20; 1019 break; 1020 1021 case 24: 1022 val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24; 1023 break; 1024 1025 case 25: 1026 val |= RT5514_TDM_MODE2; 1027 break; 1028 1029 case 32: 1030 val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32; 1031 break; 1032 1033 case 16: 1034 default: 1035 break; 1036 } 1037 1038 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE | 1039 RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK | 1040 RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK | 1041 RT5514_TDM_MODE2, val); 1042 1043 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL2, 1044 RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH_MASK | 1045 RT5514_TDM_DOCKING_START_MASK, val2); 1046 1047 return 0; 1048 } 1049 1050 static int rt5514_set_bias_level(struct snd_soc_component *component, 1051 enum snd_soc_bias_level level) 1052 { 1053 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 1054 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 1055 int ret; 1056 1057 switch (level) { 1058 case SND_SOC_BIAS_PREPARE: 1059 if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_ON) { 1060 clk_disable_unprepare(rt5514->mclk); 1061 } else { 1062 ret = clk_prepare_enable(rt5514->mclk); 1063 if (ret) 1064 return ret; 1065 } 1066 break; 1067 1068 case SND_SOC_BIAS_STANDBY: 1069 if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) { 1070 /* 1071 * If the DSP is enabled in start of recording, the DSP 1072 * should be disabled, and sync back to normal recording 1073 * settings to make sure recording properly. 1074 */ 1075 if (rt5514->dsp_enabled) { 1076 rt5514->dsp_enabled = 0; 1077 regmap_multi_reg_write(rt5514->i2c_regmap, 1078 rt5514_i2c_patch, 1079 ARRAY_SIZE(rt5514_i2c_patch)); 1080 regcache_mark_dirty(rt5514->regmap); 1081 regcache_sync(rt5514->regmap); 1082 } 1083 } 1084 break; 1085 1086 default: 1087 break; 1088 } 1089 1090 return 0; 1091 } 1092 1093 static int rt5514_probe(struct snd_soc_component *component) 1094 { 1095 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); 1096 struct platform_device *pdev = to_platform_device(component->dev); 1097 1098 rt5514->mclk = devm_clk_get_optional(component->dev, "mclk"); 1099 if (IS_ERR(rt5514->mclk)) 1100 return PTR_ERR(rt5514->mclk); 1101 1102 if (rt5514->pdata.dsp_calib_clk_name) { 1103 rt5514->dsp_calib_clk = devm_clk_get(&pdev->dev, 1104 rt5514->pdata.dsp_calib_clk_name); 1105 if (PTR_ERR(rt5514->dsp_calib_clk) == -EPROBE_DEFER) 1106 return -EPROBE_DEFER; 1107 } 1108 1109 rt5514->component = component; 1110 rt5514->pll3_cal_value = 0x0078b000; 1111 1112 return 0; 1113 } 1114 1115 static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val) 1116 { 1117 struct i2c_client *client = context; 1118 struct rt5514_priv *rt5514 = i2c_get_clientdata(client); 1119 1120 regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val); 1121 1122 return 0; 1123 } 1124 1125 static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val) 1126 { 1127 struct i2c_client *client = context; 1128 struct rt5514_priv *rt5514 = i2c_get_clientdata(client); 1129 1130 regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val); 1131 1132 return 0; 1133 } 1134 1135 #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000 1136 #define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 1137 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) 1138 1139 static const struct snd_soc_dai_ops rt5514_aif_dai_ops = { 1140 .hw_params = rt5514_hw_params, 1141 .set_fmt = rt5514_set_dai_fmt, 1142 .set_sysclk = rt5514_set_dai_sysclk, 1143 .set_pll = rt5514_set_dai_pll, 1144 .set_tdm_slot = rt5514_set_tdm_slot, 1145 }; 1146 1147 static struct snd_soc_dai_driver rt5514_dai[] = { 1148 { 1149 .name = "rt5514-aif1", 1150 .id = 0, 1151 .capture = { 1152 .stream_name = "AIF1 Capture", 1153 .channels_min = 1, 1154 .channels_max = 4, 1155 .rates = RT5514_STEREO_RATES, 1156 .formats = RT5514_FORMATS, 1157 }, 1158 .ops = &rt5514_aif_dai_ops, 1159 } 1160 }; 1161 1162 static const struct snd_soc_component_driver soc_component_dev_rt5514 = { 1163 .probe = rt5514_probe, 1164 .set_bias_level = rt5514_set_bias_level, 1165 .controls = rt5514_snd_controls, 1166 .num_controls = ARRAY_SIZE(rt5514_snd_controls), 1167 .dapm_widgets = rt5514_dapm_widgets, 1168 .num_dapm_widgets = ARRAY_SIZE(rt5514_dapm_widgets), 1169 .dapm_routes = rt5514_dapm_routes, 1170 .num_dapm_routes = ARRAY_SIZE(rt5514_dapm_routes), 1171 .use_pmdown_time = 1, 1172 .endianness = 1, 1173 }; 1174 1175 static const struct regmap_config rt5514_i2c_regmap = { 1176 .name = "i2c", 1177 .reg_bits = 32, 1178 .val_bits = 32, 1179 1180 .readable_reg = rt5514_i2c_readable_register, 1181 1182 .cache_type = REGCACHE_NONE, 1183 }; 1184 1185 static const struct regmap_config rt5514_regmap = { 1186 .reg_bits = 16, 1187 .val_bits = 32, 1188 1189 .max_register = RT5514_VENDOR_ID2, 1190 .volatile_reg = rt5514_volatile_register, 1191 .readable_reg = rt5514_readable_register, 1192 .reg_read = rt5514_i2c_read, 1193 .reg_write = rt5514_i2c_write, 1194 1195 .cache_type = REGCACHE_MAPLE, 1196 .reg_defaults = rt5514_reg, 1197 .num_reg_defaults = ARRAY_SIZE(rt5514_reg), 1198 .use_single_read = true, 1199 .use_single_write = true, 1200 }; 1201 1202 static const struct i2c_device_id rt5514_i2c_id[] = { 1203 { "rt5514" }, 1204 { } 1205 }; 1206 MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id); 1207 1208 #if defined(CONFIG_OF) 1209 static const struct of_device_id rt5514_of_match[] = { 1210 { .compatible = "realtek,rt5514", }, 1211 { } 1212 }; 1213 MODULE_DEVICE_TABLE(of, rt5514_of_match); 1214 #endif 1215 1216 #ifdef CONFIG_ACPI 1217 static const struct acpi_device_id rt5514_acpi_match[] = { 1218 { "10EC5514" }, 1219 { } 1220 }; 1221 MODULE_DEVICE_TABLE(acpi, rt5514_acpi_match); 1222 #endif 1223 1224 static int rt5514_parse_dp(struct rt5514_priv *rt5514, struct device *dev) 1225 { 1226 device_property_read_u32(dev, "realtek,dmic-init-delay-ms", 1227 &rt5514->pdata.dmic_init_delay); 1228 device_property_read_string(dev, "realtek,dsp-calib-clk-name", 1229 &rt5514->pdata.dsp_calib_clk_name); 1230 device_property_read_u32(dev, "realtek,dsp-calib-clk-rate", 1231 &rt5514->pdata.dsp_calib_clk_rate); 1232 1233 return 0; 1234 } 1235 1236 static int rt5514_i2c_resume(struct device *dev) 1237 { 1238 struct rt5514_priv *rt5514 = dev_get_drvdata(dev); 1239 unsigned int val; 1240 1241 /* 1242 * Add a bogus read to avoid rt5514's confusion after s2r in case it 1243 * saw glitches on the i2c lines and thought the other side sent a 1244 * start bit. 1245 */ 1246 regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val); 1247 1248 return 0; 1249 } 1250 1251 static int rt5514_i2c_probe(struct i2c_client *i2c) 1252 { 1253 struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev); 1254 struct rt5514_priv *rt5514; 1255 int ret; 1256 unsigned int val = ~0; 1257 1258 rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv), 1259 GFP_KERNEL); 1260 if (rt5514 == NULL) 1261 return -ENOMEM; 1262 1263 i2c_set_clientdata(i2c, rt5514); 1264 1265 if (pdata) 1266 rt5514->pdata = *pdata; 1267 else 1268 rt5514_parse_dp(rt5514, &i2c->dev); 1269 1270 rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap); 1271 if (IS_ERR(rt5514->i2c_regmap)) { 1272 ret = PTR_ERR(rt5514->i2c_regmap); 1273 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1274 ret); 1275 return ret; 1276 } 1277 1278 rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap); 1279 if (IS_ERR(rt5514->regmap)) { 1280 ret = PTR_ERR(rt5514->regmap); 1281 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1282 ret); 1283 return ret; 1284 } 1285 1286 /* 1287 * The rt5514 can get confused if the i2c lines glitch together, as 1288 * can happen at bootup as regulators are turned off and on. If it's 1289 * in this glitched state the first i2c read will fail, so we'll give 1290 * it one change to retry. 1291 */ 1292 ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val); 1293 if (ret || val != RT5514_DEVICE_ID) 1294 ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val); 1295 if (ret || val != RT5514_DEVICE_ID) { 1296 dev_err(&i2c->dev, 1297 "Device with ID register %x is not rt5514\n", val); 1298 return -ENODEV; 1299 } 1300 1301 ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch, 1302 ARRAY_SIZE(rt5514_i2c_patch)); 1303 if (ret != 0) 1304 dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n", 1305 ret); 1306 1307 ret = regmap_register_patch(rt5514->regmap, rt5514_patch, 1308 ARRAY_SIZE(rt5514_patch)); 1309 if (ret != 0) 1310 dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret); 1311 1312 return devm_snd_soc_register_component(&i2c->dev, 1313 &soc_component_dev_rt5514, 1314 rt5514_dai, ARRAY_SIZE(rt5514_dai)); 1315 } 1316 1317 static const struct dev_pm_ops rt5514_i2_pm_ops = { 1318 SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume) 1319 }; 1320 1321 static struct i2c_driver rt5514_i2c_driver = { 1322 .driver = { 1323 .name = "rt5514", 1324 .acpi_match_table = ACPI_PTR(rt5514_acpi_match), 1325 .of_match_table = of_match_ptr(rt5514_of_match), 1326 .pm = pm_ptr(&rt5514_i2_pm_ops), 1327 }, 1328 .probe = rt5514_i2c_probe, 1329 .id_table = rt5514_i2c_id, 1330 }; 1331 module_i2c_driver(rt5514_i2c_driver); 1332 1333 MODULE_DESCRIPTION("ASoC RT5514 driver"); 1334 MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>"); 1335 MODULE_LICENSE("GPL v2"); 1336