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_MAPLE, 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_MAPLE, 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 regcache_cache_only(rt712->regmap, false); 186 regcache_cache_only(rt712->mbq_regmap, false); 187 if (rt712->first_hw_init) { 188 regcache_cache_bypass(rt712->regmap, true); 189 regcache_cache_bypass(rt712->mbq_regmap, true); 190 } else { 191 /* 192 * PM runtime status is marked as 'active' only when a Slave reports as Attached 193 */ 194 195 /* update count of parent 'active' children */ 196 pm_runtime_set_active(&slave->dev); 197 } 198 199 pm_runtime_get_noresume(&slave->dev); 200 201 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 202 RT712_ADC0A_08_PDE_FLOAT_CTL, 0x1112); 203 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 204 RT712_ADC0B_11_PDE_FLOAT_CTL, 0x1111); 205 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 206 RT712_DMIC1_2_PDE_FLOAT_CTL, 0x1111); 207 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 208 RT712_I2S_IN_OUT_PDE_FLOAT_CTL, 0x1155); 209 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 210 RT712_DMIC_ENT_FLOAT_CTL, 0x2626); 211 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 212 RT712_ADC_ENT_FLOAT_CTL, 0x1e19); 213 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 214 RT712_DMIC_GAIN_ENT_FLOAT_CTL0, 0x1515); 215 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 216 RT712_ADC_VOL_CH_FLOAT_CTL2, 0x0304); 217 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 218 RT712_DMIC_GAIN_ENT_FLOAT_CTL2, 0x0304); 219 rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL, 220 RT712_HDA_LEGACY_CONFIG_CTL0, 0x0050); 221 regmap_write(rt712->regmap, 222 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_IT26, RT712_SDCA_CTL_VENDOR_DEF, 0), 0x01); 223 rt712_sdca_dmic_index_write(rt712, RT712_ULTRA_SOUND_DET, 224 RT712_ULTRA_SOUND_DETECTOR6, 0x3200); 225 regmap_write(rt712->regmap, RT712_RC_CAL, 0x23); 226 regmap_write(rt712->regmap, 0x2f52, 0x00); 227 228 if (rt712->first_hw_init) { 229 regcache_cache_bypass(rt712->regmap, false); 230 regcache_mark_dirty(rt712->regmap); 231 regcache_cache_bypass(rt712->mbq_regmap, false); 232 regcache_mark_dirty(rt712->mbq_regmap); 233 } else 234 rt712->first_hw_init = true; 235 236 /* Mark Slave initialization complete */ 237 rt712->hw_init = true; 238 239 pm_runtime_mark_last_busy(&slave->dev); 240 pm_runtime_put_autosuspend(&slave->dev); 241 242 dev_dbg(&slave->dev, "%s hw_init complete\n", __func__); 243 return 0; 244 } 245 246 static int rt712_sdca_dmic_set_gain_get(struct snd_kcontrol *kcontrol, 247 struct snd_ctl_elem_value *ucontrol) 248 { 249 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 250 struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); 251 struct rt712_sdca_dmic_kctrl_priv *p = 252 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 253 unsigned int regvalue, ctl, i; 254 unsigned int adc_vol_flag = 0; 255 const unsigned int interval_offset = 0xc0; 256 257 if (strstr(ucontrol->id.name, "FU1E Capture Volume")) 258 adc_vol_flag = 1; 259 260 /* check all channels */ 261 for (i = 0; i < p->count; i++) { 262 regmap_read(rt712->mbq_regmap, p->reg_base + i, ®value); 263 264 if (!adc_vol_flag) /* boost gain */ 265 ctl = regvalue / 0x0a00; 266 else { /* ADC gain */ 267 if (adc_vol_flag) 268 ctl = p->max - (((0x1e00 - regvalue) & 0xffff) / interval_offset); 269 else 270 ctl = p->max - (((0 - regvalue) & 0xffff) / interval_offset); 271 } 272 273 ucontrol->value.integer.value[i] = ctl; 274 } 275 276 return 0; 277 } 278 279 static int rt712_sdca_dmic_set_gain_put(struct snd_kcontrol *kcontrol, 280 struct snd_ctl_elem_value *ucontrol) 281 { 282 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 283 struct rt712_sdca_dmic_kctrl_priv *p = 284 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 285 struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); 286 unsigned int gain_val[4]; 287 unsigned int i, adc_vol_flag = 0, changed = 0; 288 unsigned int regvalue[4]; 289 const unsigned int interval_offset = 0xc0; 290 int err; 291 292 if (strstr(ucontrol->id.name, "FU1E Capture Volume")) 293 adc_vol_flag = 1; 294 295 /* check all channels */ 296 for (i = 0; i < p->count; i++) { 297 regmap_read(rt712->mbq_regmap, p->reg_base + i, ®value[i]); 298 299 gain_val[i] = ucontrol->value.integer.value[i]; 300 if (gain_val[i] > p->max) 301 gain_val[i] = p->max; 302 303 if (!adc_vol_flag) /* boost gain */ 304 gain_val[i] = gain_val[i] * 0x0a00; 305 else { /* ADC gain */ 306 gain_val[i] = 0x1e00 - ((p->max - gain_val[i]) * interval_offset); 307 gain_val[i] &= 0xffff; 308 } 309 310 if (regvalue[i] != gain_val[i]) 311 changed = 1; 312 } 313 314 if (!changed) 315 return 0; 316 317 for (i = 0; i < p->count; i++) { 318 err = regmap_write(rt712->mbq_regmap, p->reg_base + i, gain_val[i]); 319 if (err < 0) 320 dev_err(&rt712->slave->dev, "0x%08x can't be set\n", p->reg_base + i); 321 } 322 323 return changed; 324 } 325 326 static int rt712_sdca_set_fu1e_capture_ctl(struct rt712_sdca_dmic_priv *rt712) 327 { 328 int err, i; 329 unsigned int ch_mute; 330 331 for (i = 0; i < ARRAY_SIZE(rt712->fu1e_mixer_mute); i++) { 332 ch_mute = (rt712->fu1e_dapm_mute || rt712->fu1e_mixer_mute[i]) ? 0x01 : 0x00; 333 err = regmap_write(rt712->regmap, 334 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, 335 RT712_SDCA_CTL_FU_MUTE, CH_01) + i, ch_mute); 336 if (err < 0) 337 return err; 338 } 339 340 return 0; 341 } 342 343 static int rt712_sdca_dmic_fu1e_capture_get(struct snd_kcontrol *kcontrol, 344 struct snd_ctl_elem_value *ucontrol) 345 { 346 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 347 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 348 struct rt712_sdca_dmic_kctrl_priv *p = 349 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 350 unsigned int i; 351 352 for (i = 0; i < p->count; i++) 353 ucontrol->value.integer.value[i] = !rt712->fu1e_mixer_mute[i]; 354 355 return 0; 356 } 357 358 static int rt712_sdca_dmic_fu1e_capture_put(struct snd_kcontrol *kcontrol, 359 struct snd_ctl_elem_value *ucontrol) 360 { 361 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 362 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 363 struct rt712_sdca_dmic_kctrl_priv *p = 364 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 365 int err, changed = 0, i; 366 367 for (i = 0; i < p->count; i++) { 368 if (rt712->fu1e_mixer_mute[i] != !ucontrol->value.integer.value[i]) 369 changed = 1; 370 rt712->fu1e_mixer_mute[i] = !ucontrol->value.integer.value[i]; 371 } 372 373 err = rt712_sdca_set_fu1e_capture_ctl(rt712); 374 if (err < 0) 375 return err; 376 377 return changed; 378 } 379 380 static int rt712_sdca_fu_info(struct snd_kcontrol *kcontrol, 381 struct snd_ctl_elem_info *uinfo) 382 { 383 struct rt712_sdca_dmic_kctrl_priv *p = 384 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 385 386 if (p->max == 1) 387 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 388 else 389 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 390 uinfo->count = p->count; 391 uinfo->value.integer.min = 0; 392 uinfo->value.integer.max = p->max; 393 return 0; 394 } 395 396 #define RT712_SDCA_PR_VALUE(xreg_base, xcount, xmax, xinvert) \ 397 ((unsigned long)&(struct rt712_sdca_dmic_kctrl_priv) \ 398 {.reg_base = xreg_base, .count = xcount, .max = xmax, \ 399 .invert = xinvert}) 400 401 #define RT712_SDCA_FU_CTRL(xname, reg_base, xmax, xinvert, xcount) \ 402 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 403 .info = rt712_sdca_fu_info, \ 404 .get = rt712_sdca_dmic_fu1e_capture_get, \ 405 .put = rt712_sdca_dmic_fu1e_capture_put, \ 406 .private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, xinvert)} 407 408 #define RT712_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\ 409 xhandler_put, xcount, xmax, tlv_array) \ 410 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 411 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 412 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 413 .tlv.p = (tlv_array), \ 414 .info = rt712_sdca_fu_info, \ 415 .get = xhandler_get, .put = xhandler_put, \ 416 .private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, 0) } 417 418 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0); 419 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); 420 421 static const struct snd_kcontrol_new rt712_sdca_dmic_snd_controls[] = { 422 RT712_SDCA_FU_CTRL("FU1E Capture Switch", 423 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_01), 424 1, 1, 4), 425 RT712_SDCA_EXT_TLV("FU1E Capture Volume", 426 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01), 427 rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 0x3f, in_vol_tlv), 428 RT712_SDCA_EXT_TLV("FU15 Boost Volume", 429 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01), 430 rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 3, mic_vol_tlv), 431 }; 432 433 static int rt712_sdca_dmic_mux_get(struct snd_kcontrol *kcontrol, 434 struct snd_ctl_elem_value *ucontrol) 435 { 436 struct snd_soc_component *component = 437 snd_soc_dapm_kcontrol_component(kcontrol); 438 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 439 unsigned int val = 0, mask_sft; 440 441 if (strstr(ucontrol->id.name, "ADC 25 Mux")) 442 mask_sft = 8; 443 else if (strstr(ucontrol->id.name, "ADC 26 Mux")) 444 mask_sft = 4; 445 else 446 return -EINVAL; 447 448 rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL, 449 RT712_HDA_LEGACY_MUX_CTL0, &val); 450 451 ucontrol->value.enumerated.item[0] = (val >> mask_sft) & 0x7; 452 453 return 0; 454 } 455 456 static int rt712_sdca_dmic_mux_put(struct snd_kcontrol *kcontrol, 457 struct snd_ctl_elem_value *ucontrol) 458 { 459 struct snd_soc_component *component = 460 snd_soc_dapm_kcontrol_component(kcontrol); 461 struct snd_soc_dapm_context *dapm = 462 snd_soc_dapm_kcontrol_dapm(kcontrol); 463 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 464 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 465 unsigned int *item = ucontrol->value.enumerated.item; 466 unsigned int val, val2 = 0, change, mask_sft; 467 468 if (item[0] >= e->items) 469 return -EINVAL; 470 471 if (strstr(ucontrol->id.name, "ADC 25 Mux")) 472 mask_sft = 8; 473 else if (strstr(ucontrol->id.name, "ADC 26 Mux")) 474 mask_sft = 4; 475 else 476 return -EINVAL; 477 478 val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; 479 480 rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL, 481 RT712_HDA_LEGACY_MUX_CTL0, &val2); 482 val2 = (0x7 << mask_sft) & val2; 483 484 if (val == val2) 485 change = 0; 486 else 487 change = 1; 488 489 if (change) 490 rt712_sdca_dmic_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, 491 RT712_HDA_LEGACY_MUX_CTL0, 0x7 << mask_sft, 492 val << mask_sft); 493 494 snd_soc_dapm_mux_update_power(dapm, kcontrol, 495 item[0], e, NULL); 496 497 return change; 498 } 499 500 static const char * const adc_mux_text[] = { 501 "DMIC1", 502 "DMIC2", 503 }; 504 505 static SOC_ENUM_SINGLE_DECL( 506 rt712_adc25_enum, SND_SOC_NOPM, 0, adc_mux_text); 507 508 static SOC_ENUM_SINGLE_DECL( 509 rt712_adc26_enum, SND_SOC_NOPM, 0, adc_mux_text); 510 511 static const struct snd_kcontrol_new rt712_sdca_dmic_adc25_mux = 512 SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt712_adc25_enum, 513 rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put); 514 515 static const struct snd_kcontrol_new rt712_sdca_dmic_adc26_mux = 516 SOC_DAPM_ENUM_EXT("ADC 26 Mux", rt712_adc26_enum, 517 rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put); 518 519 static int rt712_sdca_dmic_fu1e_event(struct snd_soc_dapm_widget *w, 520 struct snd_kcontrol *kcontrol, int event) 521 { 522 struct snd_soc_component *component = 523 snd_soc_dapm_to_component(w->dapm); 524 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 525 526 switch (event) { 527 case SND_SOC_DAPM_POST_PMU: 528 rt712->fu1e_dapm_mute = false; 529 rt712_sdca_set_fu1e_capture_ctl(rt712); 530 break; 531 case SND_SOC_DAPM_PRE_PMD: 532 rt712->fu1e_dapm_mute = true; 533 rt712_sdca_set_fu1e_capture_ctl(rt712); 534 break; 535 } 536 return 0; 537 } 538 539 static int rt712_sdca_dmic_pde11_event(struct snd_soc_dapm_widget *w, 540 struct snd_kcontrol *kcontrol, int event) 541 { 542 struct snd_soc_component *component = 543 snd_soc_dapm_to_component(w->dapm); 544 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 545 unsigned char ps0 = 0x0, ps3 = 0x3; 546 547 switch (event) { 548 case SND_SOC_DAPM_POST_PMU: 549 regmap_write(rt712->regmap, 550 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11, 551 RT712_SDCA_CTL_REQ_POWER_STATE, 0), 552 ps0); 553 break; 554 case SND_SOC_DAPM_PRE_PMD: 555 regmap_write(rt712->regmap, 556 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11, 557 RT712_SDCA_CTL_REQ_POWER_STATE, 0), 558 ps3); 559 break; 560 } 561 return 0; 562 } 563 564 static const struct snd_soc_dapm_widget rt712_sdca_dmic_dapm_widgets[] = { 565 SND_SOC_DAPM_INPUT("DMIC1"), 566 SND_SOC_DAPM_INPUT("DMIC2"), 567 568 SND_SOC_DAPM_SUPPLY("PDE 11", SND_SOC_NOPM, 0, 0, 569 rt712_sdca_dmic_pde11_event, 570 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 571 572 SND_SOC_DAPM_ADC_E("FU 1E", NULL, SND_SOC_NOPM, 0, 0, 573 rt712_sdca_dmic_fu1e_event, 574 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 575 SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0, 576 &rt712_sdca_dmic_adc25_mux), 577 SND_SOC_DAPM_MUX("ADC 26 Mux", SND_SOC_NOPM, 0, 0, 578 &rt712_sdca_dmic_adc26_mux), 579 580 SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0), 581 }; 582 583 static const struct snd_soc_dapm_route rt712_sdca_dmic_audio_map[] = { 584 {"DP2TX", NULL, "FU 1E"}, 585 586 {"FU 1E", NULL, "PDE 11"}, 587 {"FU 1E", NULL, "ADC 25 Mux"}, 588 {"FU 1E", NULL, "ADC 26 Mux"}, 589 {"ADC 25 Mux", "DMIC1", "DMIC1"}, 590 {"ADC 25 Mux", "DMIC2", "DMIC2"}, 591 {"ADC 26 Mux", "DMIC1", "DMIC1"}, 592 {"ADC 26 Mux", "DMIC2", "DMIC2"}, 593 }; 594 595 static int rt712_sdca_dmic_probe(struct snd_soc_component *component) 596 { 597 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 598 int ret; 599 600 rt712->component = component; 601 602 if (!rt712->first_hw_init) 603 return 0; 604 605 ret = pm_runtime_resume(component->dev); 606 if (ret < 0 && ret != -EACCES) 607 return ret; 608 609 return 0; 610 } 611 612 static const struct snd_soc_component_driver soc_sdca_dev_rt712_dmic = { 613 .probe = rt712_sdca_dmic_probe, 614 .controls = rt712_sdca_dmic_snd_controls, 615 .num_controls = ARRAY_SIZE(rt712_sdca_dmic_snd_controls), 616 .dapm_widgets = rt712_sdca_dmic_dapm_widgets, 617 .num_dapm_widgets = ARRAY_SIZE(rt712_sdca_dmic_dapm_widgets), 618 .dapm_routes = rt712_sdca_dmic_audio_map, 619 .num_dapm_routes = ARRAY_SIZE(rt712_sdca_dmic_audio_map), 620 .endianness = 1, 621 }; 622 623 static int rt712_sdca_dmic_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, 624 int direction) 625 { 626 snd_soc_dai_dma_data_set(dai, direction, sdw_stream); 627 628 return 0; 629 } 630 631 static void rt712_sdca_dmic_shutdown(struct snd_pcm_substream *substream, 632 struct snd_soc_dai *dai) 633 { 634 snd_soc_dai_set_dma_data(dai, substream, NULL); 635 } 636 637 static int rt712_sdca_dmic_hw_params(struct snd_pcm_substream *substream, 638 struct snd_pcm_hw_params *params, 639 struct snd_soc_dai *dai) 640 { 641 struct snd_soc_component *component = dai->component; 642 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 643 struct sdw_stream_config stream_config; 644 struct sdw_port_config port_config; 645 struct sdw_stream_runtime *sdw_stream; 646 int retval, num_channels; 647 unsigned int sampling_rate; 648 649 dev_dbg(dai->dev, "%s %s", __func__, dai->name); 650 sdw_stream = snd_soc_dai_get_dma_data(dai, substream); 651 652 if (!sdw_stream) 653 return -EINVAL; 654 655 if (!rt712->slave) 656 return -EINVAL; 657 658 stream_config.frame_rate = params_rate(params); 659 stream_config.ch_count = params_channels(params); 660 stream_config.bps = snd_pcm_format_width(params_format(params)); 661 stream_config.direction = SDW_DATA_DIR_TX; 662 663 num_channels = params_channels(params); 664 port_config.ch_mask = GENMASK(num_channels - 1, 0); 665 port_config.num = 2; 666 667 retval = sdw_stream_add_slave(rt712->slave, &stream_config, 668 &port_config, 1, sdw_stream); 669 if (retval) { 670 dev_err(dai->dev, "Unable to configure port\n"); 671 return retval; 672 } 673 674 if (params_channels(params) > 4) { 675 dev_err(component->dev, "Unsupported channels %d\n", 676 params_channels(params)); 677 return -EINVAL; 678 } 679 680 /* sampling rate configuration */ 681 switch (params_rate(params)) { 682 case 16000: 683 sampling_rate = RT712_SDCA_RATE_16000HZ; 684 break; 685 case 32000: 686 sampling_rate = RT712_SDCA_RATE_32000HZ; 687 break; 688 case 44100: 689 sampling_rate = RT712_SDCA_RATE_44100HZ; 690 break; 691 case 48000: 692 sampling_rate = RT712_SDCA_RATE_48000HZ; 693 break; 694 case 96000: 695 sampling_rate = RT712_SDCA_RATE_96000HZ; 696 break; 697 case 192000: 698 sampling_rate = RT712_SDCA_RATE_192000HZ; 699 break; 700 default: 701 dev_err(component->dev, "Rate %d is not supported\n", 702 params_rate(params)); 703 return -EINVAL; 704 } 705 706 /* set sampling frequency */ 707 regmap_write(rt712->regmap, 708 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1F, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 709 sampling_rate); 710 regmap_write(rt712->regmap, 711 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1C, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 712 sampling_rate); 713 714 return 0; 715 } 716 717 static int rt712_sdca_dmic_hw_free(struct snd_pcm_substream *substream, 718 struct snd_soc_dai *dai) 719 { 720 struct snd_soc_component *component = dai->component; 721 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 722 struct sdw_stream_runtime *sdw_stream = 723 snd_soc_dai_get_dma_data(dai, substream); 724 725 if (!rt712->slave) 726 return -EINVAL; 727 728 sdw_stream_remove_slave(rt712->slave, sdw_stream); 729 return 0; 730 } 731 732 #define RT712_STEREO_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ 733 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000) 734 #define RT712_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 735 SNDRV_PCM_FMTBIT_S24_LE) 736 737 static const struct snd_soc_dai_ops rt712_sdca_dmic_ops = { 738 .hw_params = rt712_sdca_dmic_hw_params, 739 .hw_free = rt712_sdca_dmic_hw_free, 740 .set_stream = rt712_sdca_dmic_set_sdw_stream, 741 .shutdown = rt712_sdca_dmic_shutdown, 742 }; 743 744 static struct snd_soc_dai_driver rt712_sdca_dmic_dai[] = { 745 { 746 .name = "rt712-sdca-dmic-aif1", 747 .id = RT712_AIF1, 748 .capture = { 749 .stream_name = "DP2 Capture", 750 .channels_min = 1, 751 .channels_max = 4, 752 .rates = RT712_STEREO_RATES, 753 .formats = RT712_FORMATS, 754 }, 755 .ops = &rt712_sdca_dmic_ops, 756 }, 757 }; 758 759 static int rt712_sdca_dmic_init(struct device *dev, struct regmap *regmap, 760 struct regmap *mbq_regmap, struct sdw_slave *slave) 761 { 762 struct rt712_sdca_dmic_priv *rt712; 763 int ret; 764 765 rt712 = devm_kzalloc(dev, sizeof(*rt712), GFP_KERNEL); 766 if (!rt712) 767 return -ENOMEM; 768 769 dev_set_drvdata(dev, rt712); 770 rt712->slave = slave; 771 rt712->regmap = regmap; 772 rt712->mbq_regmap = mbq_regmap; 773 774 regcache_cache_only(rt712->regmap, true); 775 regcache_cache_only(rt712->mbq_regmap, true); 776 777 /* 778 * Mark hw_init to false 779 * HW init will be performed when device reports present 780 */ 781 rt712->hw_init = false; 782 rt712->first_hw_init = false; 783 rt712->fu1e_dapm_mute = true; 784 rt712->fu1e_mixer_mute[0] = rt712->fu1e_mixer_mute[1] = 785 rt712->fu1e_mixer_mute[2] = rt712->fu1e_mixer_mute[3] = true; 786 787 ret = devm_snd_soc_register_component(dev, 788 &soc_sdca_dev_rt712_dmic, 789 rt712_sdca_dmic_dai, 790 ARRAY_SIZE(rt712_sdca_dmic_dai)); 791 if (ret < 0) 792 return ret; 793 794 /* set autosuspend parameters */ 795 pm_runtime_set_autosuspend_delay(dev, 3000); 796 pm_runtime_use_autosuspend(dev); 797 798 /* make sure the device does not suspend immediately */ 799 pm_runtime_mark_last_busy(dev); 800 801 pm_runtime_enable(dev); 802 803 /* important note: the device is NOT tagged as 'active' and will remain 804 * 'suspended' until the hardware is enumerated/initialized. This is required 805 * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently 806 * fail with -EACCESS because of race conditions between card creation and enumeration 807 */ 808 809 dev_dbg(dev, "%s\n", __func__); 810 811 return 0; 812 } 813 814 815 static int rt712_sdca_dmic_update_status(struct sdw_slave *slave, 816 enum sdw_slave_status status) 817 { 818 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(&slave->dev); 819 820 if (status == SDW_SLAVE_UNATTACHED) 821 rt712->hw_init = false; 822 823 /* 824 * Perform initialization only if slave status is present and 825 * hw_init flag is false 826 */ 827 if (rt712->hw_init || status != SDW_SLAVE_ATTACHED) 828 return 0; 829 830 /* perform I/O transfers required for Slave initialization */ 831 return rt712_sdca_dmic_io_init(&slave->dev, slave); 832 } 833 834 static int rt712_sdca_dmic_read_prop(struct sdw_slave *slave) 835 { 836 struct sdw_slave_prop *prop = &slave->prop; 837 int nval, i; 838 u32 bit; 839 unsigned long addr; 840 struct sdw_dpn_prop *dpn; 841 842 prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; 843 prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY; 844 845 prop->paging_support = true; 846 847 /* first we need to allocate memory for set bits in port lists */ 848 prop->source_ports = BIT(2); /* BITMAP: 00000100 */ 849 prop->sink_ports = 0; 850 851 nval = hweight32(prop->source_ports); 852 prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval, 853 sizeof(*prop->src_dpn_prop), GFP_KERNEL); 854 if (!prop->src_dpn_prop) 855 return -ENOMEM; 856 857 i = 0; 858 dpn = prop->src_dpn_prop; 859 addr = prop->source_ports; 860 for_each_set_bit(bit, &addr, 32) { 861 dpn[i].num = bit; 862 dpn[i].type = SDW_DPN_FULL; 863 dpn[i].simple_ch_prep_sm = true; 864 dpn[i].ch_prep_timeout = 10; 865 i++; 866 } 867 868 /* set the timeout values */ 869 prop->clk_stop_timeout = 200; 870 871 /* wake-up event */ 872 prop->wake_capable = 1; 873 874 return 0; 875 } 876 877 static const struct sdw_device_id rt712_sdca_dmic_id[] = { 878 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1712, 0x3, 0x1, 0), 879 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1713, 0x3, 0x1, 0), 880 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1716, 0x3, 0x1, 0), 881 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1717, 0x3, 0x1, 0), 882 {}, 883 }; 884 MODULE_DEVICE_TABLE(sdw, rt712_sdca_dmic_id); 885 886 static int __maybe_unused rt712_sdca_dmic_dev_suspend(struct device *dev) 887 { 888 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); 889 890 if (!rt712->hw_init) 891 return 0; 892 893 regcache_cache_only(rt712->regmap, true); 894 regcache_cache_only(rt712->mbq_regmap, true); 895 896 return 0; 897 } 898 899 static int __maybe_unused rt712_sdca_dmic_dev_system_suspend(struct device *dev) 900 { 901 struct rt712_sdca_dmic_priv *rt712_sdca = dev_get_drvdata(dev); 902 903 if (!rt712_sdca->hw_init) 904 return 0; 905 906 return rt712_sdca_dmic_dev_suspend(dev); 907 } 908 909 #define RT712_PROBE_TIMEOUT 5000 910 911 static int __maybe_unused rt712_sdca_dmic_dev_resume(struct device *dev) 912 { 913 struct sdw_slave *slave = dev_to_sdw_dev(dev); 914 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); 915 unsigned long time; 916 917 if (!rt712->first_hw_init) 918 return 0; 919 920 if (!slave->unattach_request) 921 goto regmap_sync; 922 923 time = wait_for_completion_timeout(&slave->initialization_complete, 924 msecs_to_jiffies(RT712_PROBE_TIMEOUT)); 925 if (!time) { 926 dev_err(&slave->dev, "Initialization not complete, timed out\n"); 927 sdw_show_ping_status(slave->bus, true); 928 929 return -ETIMEDOUT; 930 } 931 932 regmap_sync: 933 slave->unattach_request = 0; 934 regcache_cache_only(rt712->regmap, false); 935 regcache_sync(rt712->regmap); 936 regcache_cache_only(rt712->mbq_regmap, false); 937 regcache_sync(rt712->mbq_regmap); 938 return 0; 939 } 940 941 static const struct dev_pm_ops rt712_sdca_dmic_pm = { 942 SET_SYSTEM_SLEEP_PM_OPS(rt712_sdca_dmic_dev_system_suspend, rt712_sdca_dmic_dev_resume) 943 SET_RUNTIME_PM_OPS(rt712_sdca_dmic_dev_suspend, rt712_sdca_dmic_dev_resume, NULL) 944 }; 945 946 947 static struct sdw_slave_ops rt712_sdca_dmic_slave_ops = { 948 .read_prop = rt712_sdca_dmic_read_prop, 949 .update_status = rt712_sdca_dmic_update_status, 950 }; 951 952 static int rt712_sdca_dmic_sdw_probe(struct sdw_slave *slave, 953 const struct sdw_device_id *id) 954 { 955 struct regmap *regmap, *mbq_regmap; 956 957 /* Regmap Initialization */ 958 mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt712_sdca_dmic_mbq_regmap); 959 if (IS_ERR(mbq_regmap)) 960 return PTR_ERR(mbq_regmap); 961 962 regmap = devm_regmap_init_sdw(slave, &rt712_sdca_dmic_regmap); 963 if (IS_ERR(regmap)) 964 return PTR_ERR(regmap); 965 966 return rt712_sdca_dmic_init(&slave->dev, regmap, mbq_regmap, slave); 967 } 968 969 static int rt712_sdca_dmic_sdw_remove(struct sdw_slave *slave) 970 { 971 pm_runtime_disable(&slave->dev); 972 973 return 0; 974 } 975 976 static struct sdw_driver rt712_sdca_dmic_sdw_driver = { 977 .driver = { 978 .name = "rt712-sdca-dmic", 979 .owner = THIS_MODULE, 980 .pm = &rt712_sdca_dmic_pm, 981 }, 982 .probe = rt712_sdca_dmic_sdw_probe, 983 .remove = rt712_sdca_dmic_sdw_remove, 984 .ops = &rt712_sdca_dmic_slave_ops, 985 .id_table = rt712_sdca_dmic_id, 986 }; 987 module_sdw_driver(rt712_sdca_dmic_sdw_driver); 988 989 MODULE_DESCRIPTION("ASoC RT712 SDCA DMIC SDW driver"); 990 MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>"); 991 MODULE_LICENSE("GPL"); 992