1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // rt712-sdca-dmic.c -- rt712 SDCA DMIC ALSA SoC audio driver 4 // 5 // Copyright(c) 2023 Realtek Semiconductor Corp. 6 // 7 // 8 9 #include <linux/module.h> 10 #include <linux/mod_devicetable.h> 11 #include <linux/pm_runtime.h> 12 #include <linux/soundwire/sdw_registers.h> 13 #include <linux/slab.h> 14 #include <sound/core.h> 15 #include <sound/pcm.h> 16 #include <sound/pcm_params.h> 17 #include <sound/tlv.h> 18 #include "rt712-sdca.h" 19 #include "rt712-sdca-dmic.h" 20 21 static bool rt712_sdca_dmic_readable_register(struct device *dev, unsigned int reg) 22 { 23 switch (reg) { 24 case 0x201a ... 0x201f: 25 case 0x2029 ... 0x202a: 26 case 0x202d ... 0x2034: 27 case 0x2230 ... 0x2232: 28 case 0x2f01 ... 0x2f0a: 29 case 0x2f35 ... 0x2f36: 30 case 0x2f52: 31 case 0x2f58 ... 0x2f59: 32 case 0x3201: 33 case 0x320c: 34 return true; 35 default: 36 return false; 37 } 38 } 39 40 static bool rt712_sdca_dmic_volatile_register(struct device *dev, unsigned int reg) 41 { 42 switch (reg) { 43 case 0x201b: 44 case 0x201c: 45 case 0x201d: 46 case 0x201f: 47 case 0x202d ... 0x202f: 48 case 0x2230: 49 case 0x2f01: 50 case 0x2f35: 51 case 0x320c: 52 return true; 53 default: 54 return false; 55 } 56 } 57 58 static bool rt712_sdca_dmic_mbq_readable_register(struct device *dev, unsigned int reg) 59 { 60 switch (reg) { 61 case 0x2000000 ... 0x200008e: 62 case 0x5300000 ... 0x530000e: 63 case 0x5400000 ... 0x540000e: 64 case 0x5600000 ... 0x5600008: 65 case 0x5700000 ... 0x570000d: 66 case 0x5800000 ... 0x5800021: 67 case 0x5900000 ... 0x5900028: 68 case 0x5a00000 ... 0x5a00009: 69 case 0x5b00000 ... 0x5b00051: 70 case 0x5c00000 ... 0x5c0009a: 71 case 0x5d00000 ... 0x5d00009: 72 case 0x5f00000 ... 0x5f00030: 73 case 0x6100000 ... 0x6100068: 74 case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01): 75 case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_02): 76 case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_03): 77 case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_04): 78 case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01): 79 case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_02): 80 case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_03): 81 case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_04): 82 return true; 83 default: 84 return false; 85 } 86 } 87 88 static bool rt712_sdca_dmic_mbq_volatile_register(struct device *dev, unsigned int reg) 89 { 90 switch (reg) { 91 case 0x2000000: 92 case 0x200001a: 93 case 0x2000024: 94 case 0x2000046: 95 case 0x200008a: 96 case 0x5800000: 97 case 0x5800001: 98 case 0x6100008: 99 return true; 100 default: 101 return false; 102 } 103 } 104 105 static const struct regmap_config rt712_sdca_dmic_regmap = { 106 .reg_bits = 32, 107 .val_bits = 8, 108 .readable_reg = rt712_sdca_dmic_readable_register, 109 .volatile_reg = rt712_sdca_dmic_volatile_register, 110 .max_register = 0x40981300, 111 .reg_defaults = rt712_sdca_dmic_reg_defaults, 112 .num_reg_defaults = ARRAY_SIZE(rt712_sdca_dmic_reg_defaults), 113 .cache_type = REGCACHE_RBTREE, 114 .use_single_read = true, 115 .use_single_write = true, 116 }; 117 118 static const struct regmap_config rt712_sdca_dmic_mbq_regmap = { 119 .name = "sdw-mbq", 120 .reg_bits = 32, 121 .val_bits = 16, 122 .readable_reg = rt712_sdca_dmic_mbq_readable_register, 123 .volatile_reg = rt712_sdca_dmic_mbq_volatile_register, 124 .max_register = 0x40800f14, 125 .reg_defaults = rt712_sdca_dmic_mbq_defaults, 126 .num_reg_defaults = ARRAY_SIZE(rt712_sdca_dmic_mbq_defaults), 127 .cache_type = REGCACHE_RBTREE, 128 .use_single_read = true, 129 .use_single_write = true, 130 }; 131 132 static int rt712_sdca_dmic_index_write(struct rt712_sdca_dmic_priv *rt712, 133 unsigned int nid, unsigned int reg, unsigned int value) 134 { 135 int ret; 136 struct regmap *regmap = rt712->mbq_regmap; 137 unsigned int addr = (nid << 20) | reg; 138 139 ret = regmap_write(regmap, addr, value); 140 if (ret < 0) 141 dev_err(&rt712->slave->dev, 142 "Failed to set private value: %06x <= %04x ret=%d\n", 143 addr, value, ret); 144 145 return ret; 146 } 147 148 static int rt712_sdca_dmic_index_read(struct rt712_sdca_dmic_priv *rt712, 149 unsigned int nid, unsigned int reg, unsigned int *value) 150 { 151 int ret; 152 struct regmap *regmap = rt712->mbq_regmap; 153 unsigned int addr = (nid << 20) | reg; 154 155 ret = regmap_read(regmap, addr, value); 156 if (ret < 0) 157 dev_err(&rt712->slave->dev, 158 "Failed to get private value: %06x => %04x ret=%d\n", 159 addr, *value, ret); 160 161 return ret; 162 } 163 164 static int rt712_sdca_dmic_index_update_bits(struct rt712_sdca_dmic_priv *rt712, 165 unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val) 166 { 167 unsigned int tmp; 168 int ret; 169 170 ret = rt712_sdca_dmic_index_read(rt712, nid, reg, &tmp); 171 if (ret < 0) 172 return ret; 173 174 set_mask_bits(&tmp, mask, val); 175 return rt712_sdca_dmic_index_write(rt712, nid, reg, tmp); 176 } 177 178 static int rt712_sdca_dmic_io_init(struct device *dev, struct sdw_slave *slave) 179 { 180 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); 181 182 if (rt712->hw_init) 183 return 0; 184 185 if (rt712->first_hw_init) { 186 regcache_cache_only(rt712->regmap, false); 187 regcache_cache_bypass(rt712->regmap, true); 188 regcache_cache_only(rt712->mbq_regmap, false); 189 regcache_cache_bypass(rt712->mbq_regmap, true); 190 } else { 191 /* 192 * PM runtime is only enabled when a Slave reports as Attached 193 */ 194 195 /* set autosuspend parameters */ 196 pm_runtime_set_autosuspend_delay(&slave->dev, 3000); 197 pm_runtime_use_autosuspend(&slave->dev); 198 199 /* update count of parent 'active' children */ 200 pm_runtime_set_active(&slave->dev); 201 202 /* make sure the device does not suspend immediately */ 203 pm_runtime_mark_last_busy(&slave->dev); 204 205 pm_runtime_enable(&slave->dev); 206 } 207 208 pm_runtime_get_noresume(&slave->dev); 209 210 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 211 RT712_ADC0A_08_PDE_FLOAT_CTL, 0x1112); 212 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 213 RT712_ADC0B_11_PDE_FLOAT_CTL, 0x1111); 214 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 215 RT712_DMIC1_2_PDE_FLOAT_CTL, 0x1111); 216 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 217 RT712_I2S_IN_OUT_PDE_FLOAT_CTL, 0x1155); 218 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 219 RT712_DMIC_ENT_FLOAT_CTL, 0x2626); 220 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 221 RT712_ADC_ENT_FLOAT_CTL, 0x1e19); 222 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 223 RT712_DMIC_GAIN_ENT_FLOAT_CTL0, 0x1515); 224 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 225 RT712_ADC_VOL_CH_FLOAT_CTL2, 0x0304); 226 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 227 RT712_DMIC_GAIN_ENT_FLOAT_CTL2, 0x0304); 228 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 229 RT712_HDA_LEGACY_CONFIG_CTL0, 0x0050); 230 regmap_write(rt712->regmap, 231 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_IT26, RT712_SDCA_CTL_VENDOR_DEF, 0), 0x01); 232 rt712_sdca_dmic_index_write(rt712, RT712_ULTRA_SOUND_DET, 233 RT712_ULTRA_SOUND_DETECTOR6, 0x3200); 234 regmap_write(rt712->regmap, RT712_RC_CAL, 0x23); 235 regmap_write(rt712->regmap, 0x2f52, 0x00); 236 237 if (rt712->first_hw_init) { 238 regcache_cache_bypass(rt712->regmap, false); 239 regcache_mark_dirty(rt712->regmap); 240 regcache_cache_bypass(rt712->mbq_regmap, false); 241 regcache_mark_dirty(rt712->mbq_regmap); 242 } else 243 rt712->first_hw_init = true; 244 245 /* Mark Slave initialization complete */ 246 rt712->hw_init = true; 247 248 pm_runtime_mark_last_busy(&slave->dev); 249 pm_runtime_put_autosuspend(&slave->dev); 250 251 dev_dbg(&slave->dev, "%s hw_init complete\n", __func__); 252 return 0; 253 } 254 255 static int rt712_sdca_dmic_set_gain_get(struct snd_kcontrol *kcontrol, 256 struct snd_ctl_elem_value *ucontrol) 257 { 258 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 259 struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); 260 struct rt712_sdca_dmic_kctrl_priv *p = 261 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 262 unsigned int regvalue, ctl, i; 263 unsigned int adc_vol_flag = 0; 264 const unsigned int interval_offset = 0xc0; 265 266 if (strstr(ucontrol->id.name, "FU1E Capture Volume")) 267 adc_vol_flag = 1; 268 269 /* check all channels */ 270 for (i = 0; i < p->count; i++) { 271 regmap_read(rt712->mbq_regmap, p->reg_base + i, ®value); 272 273 if (!adc_vol_flag) /* boost gain */ 274 ctl = regvalue / 0x0a00; 275 else { /* ADC gain */ 276 if (adc_vol_flag) 277 ctl = p->max - (((0x1e00 - regvalue) & 0xffff) / interval_offset); 278 else 279 ctl = p->max - (((0 - regvalue) & 0xffff) / interval_offset); 280 } 281 282 ucontrol->value.integer.value[i] = ctl; 283 } 284 285 return 0; 286 } 287 288 static int rt712_sdca_dmic_set_gain_put(struct snd_kcontrol *kcontrol, 289 struct snd_ctl_elem_value *ucontrol) 290 { 291 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 292 struct rt712_sdca_dmic_kctrl_priv *p = 293 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 294 struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); 295 unsigned int gain_val[4]; 296 unsigned int i, adc_vol_flag = 0, changed = 0; 297 unsigned int regvalue[4]; 298 const unsigned int interval_offset = 0xc0; 299 int err; 300 301 if (strstr(ucontrol->id.name, "FU1E Capture Volume")) 302 adc_vol_flag = 1; 303 304 /* check all channels */ 305 for (i = 0; i < p->count; i++) { 306 regmap_read(rt712->mbq_regmap, p->reg_base + i, ®value[i]); 307 308 gain_val[i] = ucontrol->value.integer.value[i]; 309 if (gain_val[i] > p->max) 310 gain_val[i] = p->max; 311 312 if (!adc_vol_flag) /* boost gain */ 313 gain_val[i] = gain_val[i] * 0x0a00; 314 else { /* ADC gain */ 315 gain_val[i] = 0x1e00 - ((p->max - gain_val[i]) * interval_offset); 316 gain_val[i] &= 0xffff; 317 } 318 319 if (regvalue[i] != gain_val[i]) 320 changed = 1; 321 } 322 323 if (!changed) 324 return 0; 325 326 for (i = 0; i < p->count; i++) { 327 err = regmap_write(rt712->mbq_regmap, p->reg_base + i, gain_val[i]); 328 if (err < 0) 329 dev_err(&rt712->slave->dev, "0x%08x can't be set\n", p->reg_base + i); 330 } 331 332 return changed; 333 } 334 335 static int rt712_sdca_set_fu1e_capture_ctl(struct rt712_sdca_dmic_priv *rt712) 336 { 337 int err, i; 338 unsigned int ch_mute; 339 340 for (i = 0; i < ARRAY_SIZE(rt712->fu1e_mixer_mute); i++) { 341 ch_mute = (rt712->fu1e_dapm_mute || rt712->fu1e_mixer_mute[i]) ? 0x01 : 0x00; 342 err = regmap_write(rt712->regmap, 343 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, 344 RT712_SDCA_CTL_FU_MUTE, CH_01) + i, ch_mute); 345 if (err < 0) 346 return err; 347 } 348 349 return 0; 350 } 351 352 static int rt712_sdca_dmic_fu1e_capture_get(struct snd_kcontrol *kcontrol, 353 struct snd_ctl_elem_value *ucontrol) 354 { 355 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 356 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 357 struct rt712_sdca_dmic_kctrl_priv *p = 358 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 359 unsigned int i; 360 361 for (i = 0; i < p->count; i++) 362 ucontrol->value.integer.value[i] = !rt712->fu1e_mixer_mute[i]; 363 364 return 0; 365 } 366 367 static int rt712_sdca_dmic_fu1e_capture_put(struct snd_kcontrol *kcontrol, 368 struct snd_ctl_elem_value *ucontrol) 369 { 370 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 371 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 372 struct rt712_sdca_dmic_kctrl_priv *p = 373 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 374 int err, changed = 0, i; 375 376 for (i = 0; i < p->count; i++) { 377 if (rt712->fu1e_mixer_mute[i] != !ucontrol->value.integer.value[i]) 378 changed = 1; 379 rt712->fu1e_mixer_mute[i] = !ucontrol->value.integer.value[i]; 380 } 381 382 err = rt712_sdca_set_fu1e_capture_ctl(rt712); 383 if (err < 0) 384 return err; 385 386 return changed; 387 } 388 389 static int rt712_sdca_fu_info(struct snd_kcontrol *kcontrol, 390 struct snd_ctl_elem_info *uinfo) 391 { 392 struct rt712_sdca_dmic_kctrl_priv *p = 393 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 394 395 if (p->max == 1) 396 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 397 else 398 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 399 uinfo->count = p->count; 400 uinfo->value.integer.min = 0; 401 uinfo->value.integer.max = p->max; 402 return 0; 403 } 404 405 #define RT712_SDCA_PR_VALUE(xreg_base, xcount, xmax, xinvert) \ 406 ((unsigned long)&(struct rt712_sdca_dmic_kctrl_priv) \ 407 {.reg_base = xreg_base, .count = xcount, .max = xmax, \ 408 .invert = xinvert}) 409 410 #define RT712_SDCA_FU_CTRL(xname, reg_base, xmax, xinvert, xcount) \ 411 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 412 .info = rt712_sdca_fu_info, \ 413 .get = rt712_sdca_dmic_fu1e_capture_get, \ 414 .put = rt712_sdca_dmic_fu1e_capture_put, \ 415 .private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, xinvert)} 416 417 #define RT712_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\ 418 xhandler_put, xcount, xmax, tlv_array) \ 419 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 420 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 421 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 422 .tlv.p = (tlv_array), \ 423 .info = rt712_sdca_fu_info, \ 424 .get = xhandler_get, .put = xhandler_put, \ 425 .private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, 0) } 426 427 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0); 428 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); 429 430 static const struct snd_kcontrol_new rt712_sdca_dmic_snd_controls[] = { 431 RT712_SDCA_FU_CTRL("FU1E Capture Switch", 432 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_01), 433 1, 1, 4), 434 RT712_SDCA_EXT_TLV("FU1E Capture Volume", 435 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01), 436 rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 0x3f, in_vol_tlv), 437 RT712_SDCA_EXT_TLV("FU15 Boost Volume", 438 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01), 439 rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 3, mic_vol_tlv), 440 }; 441 442 static int rt712_sdca_dmic_mux_get(struct snd_kcontrol *kcontrol, 443 struct snd_ctl_elem_value *ucontrol) 444 { 445 struct snd_soc_component *component = 446 snd_soc_dapm_kcontrol_component(kcontrol); 447 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 448 unsigned int val = 0, mask_sft; 449 450 if (strstr(ucontrol->id.name, "ADC 25 Mux")) 451 mask_sft = 8; 452 else if (strstr(ucontrol->id.name, "ADC 26 Mux")) 453 mask_sft = 4; 454 else 455 return -EINVAL; 456 457 rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL, 458 RT712_HDA_LEGACY_MUX_CTL0, &val); 459 460 ucontrol->value.enumerated.item[0] = (val >> mask_sft) & 0x7; 461 462 return 0; 463 } 464 465 static int rt712_sdca_dmic_mux_put(struct snd_kcontrol *kcontrol, 466 struct snd_ctl_elem_value *ucontrol) 467 { 468 struct snd_soc_component *component = 469 snd_soc_dapm_kcontrol_component(kcontrol); 470 struct snd_soc_dapm_context *dapm = 471 snd_soc_dapm_kcontrol_dapm(kcontrol); 472 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 473 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 474 unsigned int *item = ucontrol->value.enumerated.item; 475 unsigned int val, val2 = 0, change, mask_sft; 476 477 if (item[0] >= e->items) 478 return -EINVAL; 479 480 if (strstr(ucontrol->id.name, "ADC 25 Mux")) 481 mask_sft = 8; 482 else if (strstr(ucontrol->id.name, "ADC 26 Mux")) 483 mask_sft = 4; 484 else 485 return -EINVAL; 486 487 val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; 488 489 rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL, 490 RT712_HDA_LEGACY_MUX_CTL0, &val2); 491 val2 = (0x7 << mask_sft) & val2; 492 493 if (val == val2) 494 change = 0; 495 else 496 change = 1; 497 498 if (change) 499 rt712_sdca_dmic_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, 500 RT712_HDA_LEGACY_MUX_CTL0, 0x7 << mask_sft, 501 val << mask_sft); 502 503 snd_soc_dapm_mux_update_power(dapm, kcontrol, 504 item[0], e, NULL); 505 506 return change; 507 } 508 509 static const char * const adc_mux_text[] = { 510 "DMIC1", 511 "DMIC2", 512 }; 513 514 static SOC_ENUM_SINGLE_DECL( 515 rt712_adc25_enum, SND_SOC_NOPM, 0, adc_mux_text); 516 517 static SOC_ENUM_SINGLE_DECL( 518 rt712_adc26_enum, SND_SOC_NOPM, 0, adc_mux_text); 519 520 static const struct snd_kcontrol_new rt712_sdca_dmic_adc25_mux = 521 SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt712_adc25_enum, 522 rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put); 523 524 static const struct snd_kcontrol_new rt712_sdca_dmic_adc26_mux = 525 SOC_DAPM_ENUM_EXT("ADC 26 Mux", rt712_adc26_enum, 526 rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put); 527 528 static int rt712_sdca_dmic_fu1e_event(struct snd_soc_dapm_widget *w, 529 struct snd_kcontrol *kcontrol, int event) 530 { 531 struct snd_soc_component *component = 532 snd_soc_dapm_to_component(w->dapm); 533 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 534 535 switch (event) { 536 case SND_SOC_DAPM_POST_PMU: 537 rt712->fu1e_dapm_mute = false; 538 rt712_sdca_set_fu1e_capture_ctl(rt712); 539 break; 540 case SND_SOC_DAPM_PRE_PMD: 541 rt712->fu1e_dapm_mute = true; 542 rt712_sdca_set_fu1e_capture_ctl(rt712); 543 break; 544 } 545 return 0; 546 } 547 548 static int rt712_sdca_dmic_pde11_event(struct snd_soc_dapm_widget *w, 549 struct snd_kcontrol *kcontrol, int event) 550 { 551 struct snd_soc_component *component = 552 snd_soc_dapm_to_component(w->dapm); 553 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 554 unsigned char ps0 = 0x0, ps3 = 0x3; 555 556 switch (event) { 557 case SND_SOC_DAPM_POST_PMU: 558 regmap_write(rt712->regmap, 559 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11, 560 RT712_SDCA_CTL_REQ_POWER_STATE, 0), 561 ps0); 562 break; 563 case SND_SOC_DAPM_PRE_PMD: 564 regmap_write(rt712->regmap, 565 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11, 566 RT712_SDCA_CTL_REQ_POWER_STATE, 0), 567 ps3); 568 break; 569 } 570 return 0; 571 } 572 573 static const struct snd_soc_dapm_widget rt712_sdca_dmic_dapm_widgets[] = { 574 SND_SOC_DAPM_INPUT("DMIC1"), 575 SND_SOC_DAPM_INPUT("DMIC2"), 576 577 SND_SOC_DAPM_SUPPLY("PDE 11", SND_SOC_NOPM, 0, 0, 578 rt712_sdca_dmic_pde11_event, 579 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 580 581 SND_SOC_DAPM_ADC_E("FU 1E", NULL, SND_SOC_NOPM, 0, 0, 582 rt712_sdca_dmic_fu1e_event, 583 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 584 SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0, 585 &rt712_sdca_dmic_adc25_mux), 586 SND_SOC_DAPM_MUX("ADC 26 Mux", SND_SOC_NOPM, 0, 0, 587 &rt712_sdca_dmic_adc26_mux), 588 589 SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0), 590 }; 591 592 static const struct snd_soc_dapm_route rt712_sdca_dmic_audio_map[] = { 593 {"DP2TX", NULL, "FU 1E"}, 594 595 {"FU 1E", NULL, "PDE 11"}, 596 {"FU 1E", NULL, "ADC 25 Mux"}, 597 {"FU 1E", NULL, "ADC 26 Mux"}, 598 {"ADC 25 Mux", "DMIC1", "DMIC1"}, 599 {"ADC 25 Mux", "DMIC2", "DMIC2"}, 600 {"ADC 26 Mux", "DMIC1", "DMIC1"}, 601 {"ADC 26 Mux", "DMIC2", "DMIC2"}, 602 }; 603 604 static int rt712_sdca_dmic_probe(struct snd_soc_component *component) 605 { 606 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 607 int ret; 608 609 rt712->component = component; 610 611 ret = pm_runtime_resume(component->dev); 612 if (ret < 0 && ret != -EACCES) 613 return ret; 614 615 return 0; 616 } 617 618 static const struct snd_soc_component_driver soc_sdca_dev_rt712_dmic = { 619 .probe = rt712_sdca_dmic_probe, 620 .controls = rt712_sdca_dmic_snd_controls, 621 .num_controls = ARRAY_SIZE(rt712_sdca_dmic_snd_controls), 622 .dapm_widgets = rt712_sdca_dmic_dapm_widgets, 623 .num_dapm_widgets = ARRAY_SIZE(rt712_sdca_dmic_dapm_widgets), 624 .dapm_routes = rt712_sdca_dmic_audio_map, 625 .num_dapm_routes = ARRAY_SIZE(rt712_sdca_dmic_audio_map), 626 .endianness = 1, 627 }; 628 629 static int rt712_sdca_dmic_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, 630 int direction) 631 { 632 snd_soc_dai_dma_data_set(dai, direction, sdw_stream); 633 634 return 0; 635 } 636 637 static void rt712_sdca_dmic_shutdown(struct snd_pcm_substream *substream, 638 struct snd_soc_dai *dai) 639 { 640 snd_soc_dai_set_dma_data(dai, substream, NULL); 641 } 642 643 static int rt712_sdca_dmic_hw_params(struct snd_pcm_substream *substream, 644 struct snd_pcm_hw_params *params, 645 struct snd_soc_dai *dai) 646 { 647 struct snd_soc_component *component = dai->component; 648 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 649 struct sdw_stream_config stream_config; 650 struct sdw_port_config port_config; 651 struct sdw_stream_runtime *sdw_stream; 652 int retval, num_channels; 653 unsigned int sampling_rate; 654 655 dev_dbg(dai->dev, "%s %s", __func__, dai->name); 656 sdw_stream = snd_soc_dai_get_dma_data(dai, substream); 657 658 if (!sdw_stream) 659 return -EINVAL; 660 661 if (!rt712->slave) 662 return -EINVAL; 663 664 stream_config.frame_rate = params_rate(params); 665 stream_config.ch_count = params_channels(params); 666 stream_config.bps = snd_pcm_format_width(params_format(params)); 667 stream_config.direction = SDW_DATA_DIR_TX; 668 669 num_channels = params_channels(params); 670 port_config.ch_mask = GENMASK(num_channels - 1, 0); 671 port_config.num = 2; 672 673 retval = sdw_stream_add_slave(rt712->slave, &stream_config, 674 &port_config, 1, sdw_stream); 675 if (retval) { 676 dev_err(dai->dev, "Unable to configure port\n"); 677 return retval; 678 } 679 680 if (params_channels(params) > 4) { 681 dev_err(component->dev, "Unsupported channels %d\n", 682 params_channels(params)); 683 return -EINVAL; 684 } 685 686 /* sampling rate configuration */ 687 switch (params_rate(params)) { 688 case 16000: 689 sampling_rate = RT712_SDCA_RATE_16000HZ; 690 break; 691 case 32000: 692 sampling_rate = RT712_SDCA_RATE_32000HZ; 693 break; 694 case 44100: 695 sampling_rate = RT712_SDCA_RATE_44100HZ; 696 break; 697 case 48000: 698 sampling_rate = RT712_SDCA_RATE_48000HZ; 699 break; 700 case 96000: 701 sampling_rate = RT712_SDCA_RATE_96000HZ; 702 break; 703 case 192000: 704 sampling_rate = RT712_SDCA_RATE_192000HZ; 705 break; 706 default: 707 dev_err(component->dev, "Rate %d is not supported\n", 708 params_rate(params)); 709 return -EINVAL; 710 } 711 712 /* set sampling frequency */ 713 regmap_write(rt712->regmap, 714 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1F, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 715 sampling_rate); 716 regmap_write(rt712->regmap, 717 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1C, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 718 sampling_rate); 719 720 return 0; 721 } 722 723 static int rt712_sdca_dmic_hw_free(struct snd_pcm_substream *substream, 724 struct snd_soc_dai *dai) 725 { 726 struct snd_soc_component *component = dai->component; 727 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 728 struct sdw_stream_runtime *sdw_stream = 729 snd_soc_dai_get_dma_data(dai, substream); 730 731 if (!rt712->slave) 732 return -EINVAL; 733 734 sdw_stream_remove_slave(rt712->slave, sdw_stream); 735 return 0; 736 } 737 738 #define RT712_STEREO_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ 739 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000) 740 #define RT712_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 741 SNDRV_PCM_FMTBIT_S24_LE) 742 743 static const struct snd_soc_dai_ops rt712_sdca_dmic_ops = { 744 .hw_params = rt712_sdca_dmic_hw_params, 745 .hw_free = rt712_sdca_dmic_hw_free, 746 .set_stream = rt712_sdca_dmic_set_sdw_stream, 747 .shutdown = rt712_sdca_dmic_shutdown, 748 }; 749 750 static struct snd_soc_dai_driver rt712_sdca_dmic_dai[] = { 751 { 752 .name = "rt712-sdca-dmic-aif1", 753 .id = RT712_AIF1, 754 .capture = { 755 .stream_name = "DP2 Capture", 756 .channels_min = 1, 757 .channels_max = 4, 758 .rates = RT712_STEREO_RATES, 759 .formats = RT712_FORMATS, 760 }, 761 .ops = &rt712_sdca_dmic_ops, 762 }, 763 }; 764 765 static int rt712_sdca_dmic_init(struct device *dev, struct regmap *regmap, 766 struct regmap *mbq_regmap, struct sdw_slave *slave) 767 { 768 struct rt712_sdca_dmic_priv *rt712; 769 int ret; 770 771 rt712 = devm_kzalloc(dev, sizeof(*rt712), GFP_KERNEL); 772 if (!rt712) 773 return -ENOMEM; 774 775 dev_set_drvdata(dev, rt712); 776 rt712->slave = slave; 777 rt712->regmap = regmap; 778 rt712->mbq_regmap = mbq_regmap; 779 780 /* 781 * Mark hw_init to false 782 * HW init will be performed when device reports present 783 */ 784 rt712->hw_init = false; 785 rt712->first_hw_init = false; 786 rt712->fu1e_dapm_mute = true; 787 rt712->fu1e_mixer_mute[0] = rt712->fu1e_mixer_mute[1] = 788 rt712->fu1e_mixer_mute[2] = rt712->fu1e_mixer_mute[3] = true; 789 790 ret = devm_snd_soc_register_component(dev, 791 &soc_sdca_dev_rt712_dmic, 792 rt712_sdca_dmic_dai, 793 ARRAY_SIZE(rt712_sdca_dmic_dai)); 794 795 dev_dbg(&slave->dev, "%s\n", __func__); 796 797 return ret; 798 } 799 800 801 static int rt712_sdca_dmic_update_status(struct sdw_slave *slave, 802 enum sdw_slave_status status) 803 { 804 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(&slave->dev); 805 806 /* Update the status */ 807 rt712->status = status; 808 809 if (status == SDW_SLAVE_UNATTACHED) 810 rt712->hw_init = false; 811 812 /* 813 * Perform initialization only if slave status is present and 814 * hw_init flag is false 815 */ 816 if (rt712->hw_init || rt712->status != SDW_SLAVE_ATTACHED) 817 return 0; 818 819 /* perform I/O transfers required for Slave initialization */ 820 return rt712_sdca_dmic_io_init(&slave->dev, slave); 821 } 822 823 static int rt712_sdca_dmic_read_prop(struct sdw_slave *slave) 824 { 825 struct sdw_slave_prop *prop = &slave->prop; 826 int nval, i; 827 u32 bit; 828 unsigned long addr; 829 struct sdw_dpn_prop *dpn; 830 831 prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; 832 prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY; 833 834 prop->paging_support = true; 835 836 /* first we need to allocate memory for set bits in port lists */ 837 prop->source_ports = BIT(2); /* BITMAP: 00000100 */ 838 prop->sink_ports = 0; 839 840 nval = hweight32(prop->source_ports); 841 prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval, 842 sizeof(*prop->src_dpn_prop), GFP_KERNEL); 843 if (!prop->src_dpn_prop) 844 return -ENOMEM; 845 846 i = 0; 847 dpn = prop->src_dpn_prop; 848 addr = prop->source_ports; 849 for_each_set_bit(bit, &addr, 32) { 850 dpn[i].num = bit; 851 dpn[i].type = SDW_DPN_FULL; 852 dpn[i].simple_ch_prep_sm = true; 853 dpn[i].ch_prep_timeout = 10; 854 i++; 855 } 856 857 /* set the timeout values */ 858 prop->clk_stop_timeout = 200; 859 860 /* wake-up event */ 861 prop->wake_capable = 1; 862 863 return 0; 864 } 865 866 static const struct sdw_device_id rt712_sdca_dmic_id[] = { 867 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1712, 0x3, 0x1, 0), 868 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1713, 0x3, 0x1, 0), 869 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1716, 0x3, 0x1, 0), 870 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1717, 0x3, 0x1, 0), 871 {}, 872 }; 873 MODULE_DEVICE_TABLE(sdw, rt712_sdca_dmic_id); 874 875 static int __maybe_unused rt712_sdca_dmic_dev_suspend(struct device *dev) 876 { 877 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); 878 879 if (!rt712->hw_init) 880 return 0; 881 882 regcache_cache_only(rt712->regmap, true); 883 regcache_cache_only(rt712->mbq_regmap, true); 884 885 return 0; 886 } 887 888 static int __maybe_unused rt712_sdca_dmic_dev_system_suspend(struct device *dev) 889 { 890 struct rt712_sdca_dmic_priv *rt712_sdca = dev_get_drvdata(dev); 891 892 if (!rt712_sdca->hw_init) 893 return 0; 894 895 return rt712_sdca_dmic_dev_suspend(dev); 896 } 897 898 #define RT712_PROBE_TIMEOUT 5000 899 900 static int __maybe_unused rt712_sdca_dmic_dev_resume(struct device *dev) 901 { 902 struct sdw_slave *slave = dev_to_sdw_dev(dev); 903 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); 904 unsigned long time; 905 906 if (!rt712->first_hw_init) 907 return 0; 908 909 if (!slave->unattach_request) 910 goto regmap_sync; 911 912 time = wait_for_completion_timeout(&slave->initialization_complete, 913 msecs_to_jiffies(RT712_PROBE_TIMEOUT)); 914 if (!time) { 915 dev_err(&slave->dev, "Initialization not complete, timed out\n"); 916 sdw_show_ping_status(slave->bus, true); 917 918 return -ETIMEDOUT; 919 } 920 921 regmap_sync: 922 slave->unattach_request = 0; 923 regcache_cache_only(rt712->regmap, false); 924 regcache_sync(rt712->regmap); 925 regcache_cache_only(rt712->mbq_regmap, false); 926 regcache_sync(rt712->mbq_regmap); 927 return 0; 928 } 929 930 static const struct dev_pm_ops rt712_sdca_dmic_pm = { 931 SET_SYSTEM_SLEEP_PM_OPS(rt712_sdca_dmic_dev_system_suspend, rt712_sdca_dmic_dev_resume) 932 SET_RUNTIME_PM_OPS(rt712_sdca_dmic_dev_suspend, rt712_sdca_dmic_dev_resume, NULL) 933 }; 934 935 936 static struct sdw_slave_ops rt712_sdca_dmic_slave_ops = { 937 .read_prop = rt712_sdca_dmic_read_prop, 938 .update_status = rt712_sdca_dmic_update_status, 939 }; 940 941 static int rt712_sdca_dmic_sdw_probe(struct sdw_slave *slave, 942 const struct sdw_device_id *id) 943 { 944 struct regmap *regmap, *mbq_regmap; 945 946 /* Regmap Initialization */ 947 mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt712_sdca_dmic_mbq_regmap); 948 if (IS_ERR(mbq_regmap)) 949 return PTR_ERR(mbq_regmap); 950 951 regmap = devm_regmap_init_sdw(slave, &rt712_sdca_dmic_regmap); 952 if (IS_ERR(regmap)) 953 return PTR_ERR(regmap); 954 955 return rt712_sdca_dmic_init(&slave->dev, regmap, mbq_regmap, slave); 956 } 957 958 static int rt712_sdca_dmic_sdw_remove(struct sdw_slave *slave) 959 { 960 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(&slave->dev); 961 962 if (rt712->first_hw_init) 963 pm_runtime_disable(&slave->dev); 964 965 return 0; 966 } 967 968 static struct sdw_driver rt712_sdca_dmic_sdw_driver = { 969 .driver = { 970 .name = "rt712-sdca-dmic", 971 .owner = THIS_MODULE, 972 .pm = &rt712_sdca_dmic_pm, 973 }, 974 .probe = rt712_sdca_dmic_sdw_probe, 975 .remove = rt712_sdca_dmic_sdw_remove, 976 .ops = &rt712_sdca_dmic_slave_ops, 977 .id_table = rt712_sdca_dmic_id, 978 }; 979 module_sdw_driver(rt712_sdca_dmic_sdw_driver); 980 981 MODULE_DESCRIPTION("ASoC RT712 SDCA DMIC SDW driver"); 982 MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>"); 983 MODULE_LICENSE("GPL"); 984