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 "%s: Failed to set private value: %06x <= %04x ret=%d\n", 143 __func__, 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 "%s: Failed to get private value: %06x => %04x ret=%d\n", 159 __func__, 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 ctl = p->max - (((0x1e00 - regvalue) & 0xffff) / interval_offset); 268 269 ucontrol->value.integer.value[i] = ctl; 270 } 271 272 return 0; 273 } 274 275 static int rt712_sdca_dmic_set_gain_put(struct snd_kcontrol *kcontrol, 276 struct snd_ctl_elem_value *ucontrol) 277 { 278 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 279 struct rt712_sdca_dmic_kctrl_priv *p = 280 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 281 struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); 282 unsigned int gain_val[4]; 283 unsigned int i, adc_vol_flag = 0, changed = 0; 284 unsigned int regvalue[4]; 285 const unsigned int interval_offset = 0xc0; 286 int err; 287 288 if (strstr(ucontrol->id.name, "FU1E Capture Volume")) 289 adc_vol_flag = 1; 290 291 /* check all channels */ 292 for (i = 0; i < p->count; i++) { 293 regmap_read(rt712->mbq_regmap, p->reg_base + i, ®value[i]); 294 295 gain_val[i] = ucontrol->value.integer.value[i]; 296 if (gain_val[i] > p->max) 297 gain_val[i] = p->max; 298 299 if (!adc_vol_flag) /* boost gain */ 300 gain_val[i] = gain_val[i] * 0x0a00; 301 else { /* ADC gain */ 302 gain_val[i] = 0x1e00 - ((p->max - gain_val[i]) * interval_offset); 303 gain_val[i] &= 0xffff; 304 } 305 306 if (regvalue[i] != gain_val[i]) 307 changed = 1; 308 } 309 310 if (!changed) 311 return 0; 312 313 for (i = 0; i < p->count; i++) { 314 err = regmap_write(rt712->mbq_regmap, p->reg_base + i, gain_val[i]); 315 if (err < 0) 316 dev_err(&rt712->slave->dev, "%s: 0x%08x can't be set\n", 317 __func__, p->reg_base + i); 318 } 319 320 return changed; 321 } 322 323 static int rt712_sdca_set_fu1e_capture_ctl(struct rt712_sdca_dmic_priv *rt712) 324 { 325 int err, i; 326 unsigned int ch_mute; 327 328 for (i = 0; i < ARRAY_SIZE(rt712->fu1e_mixer_mute); i++) { 329 ch_mute = (rt712->fu1e_dapm_mute || rt712->fu1e_mixer_mute[i]) ? 0x01 : 0x00; 330 err = regmap_write(rt712->regmap, 331 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, 332 RT712_SDCA_CTL_FU_MUTE, CH_01) + i, ch_mute); 333 if (err < 0) 334 return err; 335 } 336 337 return 0; 338 } 339 340 static int rt712_sdca_dmic_fu1e_capture_get(struct snd_kcontrol *kcontrol, 341 struct snd_ctl_elem_value *ucontrol) 342 { 343 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 344 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 345 struct rt712_sdca_dmic_kctrl_priv *p = 346 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 347 unsigned int i; 348 349 for (i = 0; i < p->count; i++) 350 ucontrol->value.integer.value[i] = !rt712->fu1e_mixer_mute[i]; 351 352 return 0; 353 } 354 355 static int rt712_sdca_dmic_fu1e_capture_put(struct snd_kcontrol *kcontrol, 356 struct snd_ctl_elem_value *ucontrol) 357 { 358 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 359 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 360 struct rt712_sdca_dmic_kctrl_priv *p = 361 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 362 int err, changed = 0, i; 363 364 for (i = 0; i < p->count; i++) { 365 if (rt712->fu1e_mixer_mute[i] != !ucontrol->value.integer.value[i]) 366 changed = 1; 367 rt712->fu1e_mixer_mute[i] = !ucontrol->value.integer.value[i]; 368 } 369 370 err = rt712_sdca_set_fu1e_capture_ctl(rt712); 371 if (err < 0) 372 return err; 373 374 return changed; 375 } 376 377 static int rt712_sdca_fu_info(struct snd_kcontrol *kcontrol, 378 struct snd_ctl_elem_info *uinfo) 379 { 380 struct rt712_sdca_dmic_kctrl_priv *p = 381 (struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value; 382 383 if (p->max == 1) 384 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 385 else 386 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 387 uinfo->count = p->count; 388 uinfo->value.integer.min = 0; 389 uinfo->value.integer.max = p->max; 390 return 0; 391 } 392 393 #define RT712_SDCA_PR_VALUE(xreg_base, xcount, xmax, xinvert) \ 394 ((unsigned long)&(struct rt712_sdca_dmic_kctrl_priv) \ 395 {.reg_base = xreg_base, .count = xcount, .max = xmax, \ 396 .invert = xinvert}) 397 398 #define RT712_SDCA_FU_CTRL(xname, reg_base, xmax, xinvert, xcount) \ 399 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 400 .info = rt712_sdca_fu_info, \ 401 .get = rt712_sdca_dmic_fu1e_capture_get, \ 402 .put = rt712_sdca_dmic_fu1e_capture_put, \ 403 .private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, xinvert)} 404 405 #define RT712_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\ 406 xhandler_put, xcount, xmax, tlv_array) \ 407 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 408 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 409 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 410 .tlv.p = (tlv_array), \ 411 .info = rt712_sdca_fu_info, \ 412 .get = xhandler_get, .put = xhandler_put, \ 413 .private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, 0) } 414 415 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0); 416 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); 417 418 static const struct snd_kcontrol_new rt712_sdca_dmic_snd_controls[] = { 419 RT712_SDCA_FU_CTRL("FU1E Capture Switch", 420 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_01), 421 1, 1, 4), 422 RT712_SDCA_EXT_TLV("FU1E Capture Volume", 423 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01), 424 rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 0x3f, in_vol_tlv), 425 RT712_SDCA_EXT_TLV("FU15 Boost Volume", 426 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01), 427 rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 3, mic_vol_tlv), 428 }; 429 430 static int rt712_sdca_dmic_mux_get(struct snd_kcontrol *kcontrol, 431 struct snd_ctl_elem_value *ucontrol) 432 { 433 struct snd_soc_component *component = 434 snd_soc_dapm_kcontrol_component(kcontrol); 435 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 436 unsigned int val = 0, mask_sft; 437 438 if (strstr(ucontrol->id.name, "ADC 25 Mux")) 439 mask_sft = 8; 440 else if (strstr(ucontrol->id.name, "ADC 26 Mux")) 441 mask_sft = 4; 442 else 443 return -EINVAL; 444 445 rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL, 446 RT712_HDA_LEGACY_MUX_CTL0, &val); 447 448 ucontrol->value.enumerated.item[0] = (val >> mask_sft) & 0x7; 449 450 return 0; 451 } 452 453 static int rt712_sdca_dmic_mux_put(struct snd_kcontrol *kcontrol, 454 struct snd_ctl_elem_value *ucontrol) 455 { 456 struct snd_soc_component *component = 457 snd_soc_dapm_kcontrol_component(kcontrol); 458 struct snd_soc_dapm_context *dapm = 459 snd_soc_dapm_kcontrol_dapm(kcontrol); 460 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 461 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 462 unsigned int *item = ucontrol->value.enumerated.item; 463 unsigned int val, val2 = 0, change, mask_sft; 464 465 if (item[0] >= e->items) 466 return -EINVAL; 467 468 if (strstr(ucontrol->id.name, "ADC 25 Mux")) 469 mask_sft = 8; 470 else if (strstr(ucontrol->id.name, "ADC 26 Mux")) 471 mask_sft = 4; 472 else 473 return -EINVAL; 474 475 val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; 476 477 rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL, 478 RT712_HDA_LEGACY_MUX_CTL0, &val2); 479 val2 = (0x7 << mask_sft) & val2; 480 481 if (val == val2) 482 change = 0; 483 else 484 change = 1; 485 486 if (change) 487 rt712_sdca_dmic_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, 488 RT712_HDA_LEGACY_MUX_CTL0, 0x7 << mask_sft, 489 val << mask_sft); 490 491 snd_soc_dapm_mux_update_power(dapm, kcontrol, 492 item[0], e, NULL); 493 494 return change; 495 } 496 497 static const char * const adc_mux_text[] = { 498 "DMIC1", 499 "DMIC2", 500 }; 501 502 static SOC_ENUM_SINGLE_DECL( 503 rt712_adc25_enum, SND_SOC_NOPM, 0, adc_mux_text); 504 505 static SOC_ENUM_SINGLE_DECL( 506 rt712_adc26_enum, SND_SOC_NOPM, 0, adc_mux_text); 507 508 static const struct snd_kcontrol_new rt712_sdca_dmic_adc25_mux = 509 SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt712_adc25_enum, 510 rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put); 511 512 static const struct snd_kcontrol_new rt712_sdca_dmic_adc26_mux = 513 SOC_DAPM_ENUM_EXT("ADC 26 Mux", rt712_adc26_enum, 514 rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put); 515 516 static int rt712_sdca_dmic_fu1e_event(struct snd_soc_dapm_widget *w, 517 struct snd_kcontrol *kcontrol, int event) 518 { 519 struct snd_soc_component *component = 520 snd_soc_dapm_to_component(w->dapm); 521 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 522 523 switch (event) { 524 case SND_SOC_DAPM_POST_PMU: 525 rt712->fu1e_dapm_mute = false; 526 rt712_sdca_set_fu1e_capture_ctl(rt712); 527 break; 528 case SND_SOC_DAPM_PRE_PMD: 529 rt712->fu1e_dapm_mute = true; 530 rt712_sdca_set_fu1e_capture_ctl(rt712); 531 break; 532 } 533 return 0; 534 } 535 536 static int rt712_sdca_dmic_pde11_event(struct snd_soc_dapm_widget *w, 537 struct snd_kcontrol *kcontrol, int event) 538 { 539 struct snd_soc_component *component = 540 snd_soc_dapm_to_component(w->dapm); 541 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 542 unsigned char ps0 = 0x0, ps3 = 0x3; 543 544 switch (event) { 545 case SND_SOC_DAPM_POST_PMU: 546 regmap_write(rt712->regmap, 547 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11, 548 RT712_SDCA_CTL_REQ_POWER_STATE, 0), 549 ps0); 550 break; 551 case SND_SOC_DAPM_PRE_PMD: 552 regmap_write(rt712->regmap, 553 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11, 554 RT712_SDCA_CTL_REQ_POWER_STATE, 0), 555 ps3); 556 break; 557 } 558 return 0; 559 } 560 561 static const struct snd_soc_dapm_widget rt712_sdca_dmic_dapm_widgets[] = { 562 SND_SOC_DAPM_INPUT("DMIC1"), 563 SND_SOC_DAPM_INPUT("DMIC2"), 564 565 SND_SOC_DAPM_SUPPLY("PDE 11", SND_SOC_NOPM, 0, 0, 566 rt712_sdca_dmic_pde11_event, 567 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 568 569 SND_SOC_DAPM_ADC_E("FU 1E", NULL, SND_SOC_NOPM, 0, 0, 570 rt712_sdca_dmic_fu1e_event, 571 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 572 SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0, 573 &rt712_sdca_dmic_adc25_mux), 574 SND_SOC_DAPM_MUX("ADC 26 Mux", SND_SOC_NOPM, 0, 0, 575 &rt712_sdca_dmic_adc26_mux), 576 577 SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0), 578 }; 579 580 static const struct snd_soc_dapm_route rt712_sdca_dmic_audio_map[] = { 581 {"DP2TX", NULL, "FU 1E"}, 582 583 {"FU 1E", NULL, "PDE 11"}, 584 {"FU 1E", NULL, "ADC 25 Mux"}, 585 {"FU 1E", NULL, "ADC 26 Mux"}, 586 {"ADC 25 Mux", "DMIC1", "DMIC1"}, 587 {"ADC 25 Mux", "DMIC2", "DMIC2"}, 588 {"ADC 26 Mux", "DMIC1", "DMIC1"}, 589 {"ADC 26 Mux", "DMIC2", "DMIC2"}, 590 }; 591 592 static int rt712_sdca_dmic_probe(struct snd_soc_component *component) 593 { 594 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 595 int ret; 596 597 rt712->component = component; 598 599 if (!rt712->first_hw_init) 600 return 0; 601 602 ret = pm_runtime_resume(component->dev); 603 if (ret < 0 && ret != -EACCES) 604 return ret; 605 606 return 0; 607 } 608 609 static const struct snd_soc_component_driver soc_sdca_dev_rt712_dmic = { 610 .probe = rt712_sdca_dmic_probe, 611 .controls = rt712_sdca_dmic_snd_controls, 612 .num_controls = ARRAY_SIZE(rt712_sdca_dmic_snd_controls), 613 .dapm_widgets = rt712_sdca_dmic_dapm_widgets, 614 .num_dapm_widgets = ARRAY_SIZE(rt712_sdca_dmic_dapm_widgets), 615 .dapm_routes = rt712_sdca_dmic_audio_map, 616 .num_dapm_routes = ARRAY_SIZE(rt712_sdca_dmic_audio_map), 617 .endianness = 1, 618 }; 619 620 static int rt712_sdca_dmic_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, 621 int direction) 622 { 623 snd_soc_dai_dma_data_set(dai, direction, sdw_stream); 624 625 return 0; 626 } 627 628 static void rt712_sdca_dmic_shutdown(struct snd_pcm_substream *substream, 629 struct snd_soc_dai *dai) 630 { 631 snd_soc_dai_set_dma_data(dai, substream, NULL); 632 } 633 634 static int rt712_sdca_dmic_hw_params(struct snd_pcm_substream *substream, 635 struct snd_pcm_hw_params *params, 636 struct snd_soc_dai *dai) 637 { 638 struct snd_soc_component *component = dai->component; 639 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 640 struct sdw_stream_config stream_config; 641 struct sdw_port_config port_config; 642 struct sdw_stream_runtime *sdw_stream; 643 int retval, num_channels; 644 unsigned int sampling_rate; 645 646 dev_dbg(dai->dev, "%s %s", __func__, dai->name); 647 sdw_stream = snd_soc_dai_get_dma_data(dai, substream); 648 649 if (!sdw_stream) 650 return -EINVAL; 651 652 if (!rt712->slave) 653 return -EINVAL; 654 655 stream_config.frame_rate = params_rate(params); 656 stream_config.ch_count = params_channels(params); 657 stream_config.bps = snd_pcm_format_width(params_format(params)); 658 stream_config.direction = SDW_DATA_DIR_TX; 659 660 num_channels = params_channels(params); 661 port_config.ch_mask = GENMASK(num_channels - 1, 0); 662 port_config.num = 2; 663 664 retval = sdw_stream_add_slave(rt712->slave, &stream_config, 665 &port_config, 1, sdw_stream); 666 if (retval) { 667 dev_err(dai->dev, "%s: Unable to configure port\n", __func__); 668 return retval; 669 } 670 671 if (params_channels(params) > 4) { 672 dev_err(component->dev, "%s: Unsupported channels %d\n", 673 __func__, params_channels(params)); 674 return -EINVAL; 675 } 676 677 /* sampling rate configuration */ 678 switch (params_rate(params)) { 679 case 16000: 680 sampling_rate = RT712_SDCA_RATE_16000HZ; 681 break; 682 case 32000: 683 sampling_rate = RT712_SDCA_RATE_32000HZ; 684 break; 685 case 44100: 686 sampling_rate = RT712_SDCA_RATE_44100HZ; 687 break; 688 case 48000: 689 sampling_rate = RT712_SDCA_RATE_48000HZ; 690 break; 691 case 96000: 692 sampling_rate = RT712_SDCA_RATE_96000HZ; 693 break; 694 case 192000: 695 sampling_rate = RT712_SDCA_RATE_192000HZ; 696 break; 697 default: 698 dev_err(component->dev, "%s: Rate %d is not supported\n", 699 __func__, params_rate(params)); 700 return -EINVAL; 701 } 702 703 /* set sampling frequency */ 704 regmap_write(rt712->regmap, 705 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1F, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 706 sampling_rate); 707 regmap_write(rt712->regmap, 708 SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1C, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 709 sampling_rate); 710 711 return 0; 712 } 713 714 static int rt712_sdca_dmic_hw_free(struct snd_pcm_substream *substream, 715 struct snd_soc_dai *dai) 716 { 717 struct snd_soc_component *component = dai->component; 718 struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component); 719 struct sdw_stream_runtime *sdw_stream = 720 snd_soc_dai_get_dma_data(dai, substream); 721 722 if (!rt712->slave) 723 return -EINVAL; 724 725 sdw_stream_remove_slave(rt712->slave, sdw_stream); 726 return 0; 727 } 728 729 #define RT712_STEREO_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ 730 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000) 731 #define RT712_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 732 SNDRV_PCM_FMTBIT_S24_LE) 733 734 static const struct snd_soc_dai_ops rt712_sdca_dmic_ops = { 735 .hw_params = rt712_sdca_dmic_hw_params, 736 .hw_free = rt712_sdca_dmic_hw_free, 737 .set_stream = rt712_sdca_dmic_set_sdw_stream, 738 .shutdown = rt712_sdca_dmic_shutdown, 739 }; 740 741 static struct snd_soc_dai_driver rt712_sdca_dmic_dai[] = { 742 { 743 .name = "rt712-sdca-dmic-aif1", 744 .id = RT712_AIF1, 745 .capture = { 746 .stream_name = "DP2 Capture", 747 .channels_min = 1, 748 .channels_max = 4, 749 .rates = RT712_STEREO_RATES, 750 .formats = RT712_FORMATS, 751 }, 752 .ops = &rt712_sdca_dmic_ops, 753 }, 754 }; 755 756 static int rt712_sdca_dmic_init(struct device *dev, struct regmap *regmap, 757 struct regmap *mbq_regmap, struct sdw_slave *slave) 758 { 759 struct rt712_sdca_dmic_priv *rt712; 760 int ret; 761 762 rt712 = devm_kzalloc(dev, sizeof(*rt712), GFP_KERNEL); 763 if (!rt712) 764 return -ENOMEM; 765 766 dev_set_drvdata(dev, rt712); 767 rt712->slave = slave; 768 rt712->regmap = regmap; 769 rt712->mbq_regmap = mbq_regmap; 770 771 regcache_cache_only(rt712->regmap, true); 772 regcache_cache_only(rt712->mbq_regmap, true); 773 774 /* 775 * Mark hw_init to false 776 * HW init will be performed when device reports present 777 */ 778 rt712->hw_init = false; 779 rt712->first_hw_init = false; 780 rt712->fu1e_dapm_mute = true; 781 rt712->fu1e_mixer_mute[0] = rt712->fu1e_mixer_mute[1] = 782 rt712->fu1e_mixer_mute[2] = rt712->fu1e_mixer_mute[3] = true; 783 784 ret = devm_snd_soc_register_component(dev, 785 &soc_sdca_dev_rt712_dmic, 786 rt712_sdca_dmic_dai, 787 ARRAY_SIZE(rt712_sdca_dmic_dai)); 788 if (ret < 0) 789 return ret; 790 791 /* set autosuspend parameters */ 792 pm_runtime_set_autosuspend_delay(dev, 3000); 793 pm_runtime_use_autosuspend(dev); 794 795 /* make sure the device does not suspend immediately */ 796 pm_runtime_mark_last_busy(dev); 797 798 pm_runtime_enable(dev); 799 800 /* important note: the device is NOT tagged as 'active' and will remain 801 * 'suspended' until the hardware is enumerated/initialized. This is required 802 * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently 803 * fail with -EACCESS because of race conditions between card creation and enumeration 804 */ 805 806 dev_dbg(dev, "%s\n", __func__); 807 808 return 0; 809 } 810 811 812 static int rt712_sdca_dmic_update_status(struct sdw_slave *slave, 813 enum sdw_slave_status status) 814 { 815 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(&slave->dev); 816 817 if (status == SDW_SLAVE_UNATTACHED) 818 rt712->hw_init = false; 819 820 /* 821 * Perform initialization only if slave status is present and 822 * hw_init flag is false 823 */ 824 if (rt712->hw_init || status != SDW_SLAVE_ATTACHED) 825 return 0; 826 827 /* perform I/O transfers required for Slave initialization */ 828 return rt712_sdca_dmic_io_init(&slave->dev, slave); 829 } 830 831 static int rt712_sdca_dmic_read_prop(struct sdw_slave *slave) 832 { 833 struct sdw_slave_prop *prop = &slave->prop; 834 int nval, i; 835 u32 bit; 836 unsigned long addr; 837 struct sdw_dpn_prop *dpn; 838 839 prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; 840 prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY; 841 842 prop->paging_support = true; 843 844 /* first we need to allocate memory for set bits in port lists */ 845 prop->source_ports = BIT(2); /* BITMAP: 00000100 */ 846 prop->sink_ports = 0; 847 848 nval = hweight32(prop->source_ports); 849 prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval, 850 sizeof(*prop->src_dpn_prop), GFP_KERNEL); 851 if (!prop->src_dpn_prop) 852 return -ENOMEM; 853 854 i = 0; 855 dpn = prop->src_dpn_prop; 856 addr = prop->source_ports; 857 for_each_set_bit(bit, &addr, 32) { 858 dpn[i].num = bit; 859 dpn[i].type = SDW_DPN_FULL; 860 dpn[i].simple_ch_prep_sm = true; 861 dpn[i].ch_prep_timeout = 10; 862 i++; 863 } 864 865 /* set the timeout values */ 866 prop->clk_stop_timeout = 200; 867 868 /* wake-up event */ 869 prop->wake_capable = 1; 870 871 return 0; 872 } 873 874 static const struct sdw_device_id rt712_sdca_dmic_id[] = { 875 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1712, 0x3, 0x1, 0), 876 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1713, 0x3, 0x1, 0), 877 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1716, 0x3, 0x1, 0), 878 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1717, 0x3, 0x1, 0), 879 {}, 880 }; 881 MODULE_DEVICE_TABLE(sdw, rt712_sdca_dmic_id); 882 883 static int rt712_sdca_dmic_dev_suspend(struct device *dev) 884 { 885 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); 886 887 if (!rt712->hw_init) 888 return 0; 889 890 regcache_cache_only(rt712->regmap, true); 891 regcache_cache_only(rt712->mbq_regmap, true); 892 893 return 0; 894 } 895 896 static int rt712_sdca_dmic_dev_system_suspend(struct device *dev) 897 { 898 struct rt712_sdca_dmic_priv *rt712_sdca = dev_get_drvdata(dev); 899 900 if (!rt712_sdca->hw_init) 901 return 0; 902 903 return rt712_sdca_dmic_dev_suspend(dev); 904 } 905 906 #define RT712_PROBE_TIMEOUT 5000 907 908 static int rt712_sdca_dmic_dev_resume(struct device *dev) 909 { 910 struct sdw_slave *slave = dev_to_sdw_dev(dev); 911 struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev); 912 unsigned long time; 913 914 if (!rt712->first_hw_init) 915 return 0; 916 917 if (!slave->unattach_request) 918 goto regmap_sync; 919 920 time = wait_for_completion_timeout(&slave->initialization_complete, 921 msecs_to_jiffies(RT712_PROBE_TIMEOUT)); 922 if (!time) { 923 dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", 924 __func__); 925 sdw_show_ping_status(slave->bus, true); 926 927 return -ETIMEDOUT; 928 } 929 930 regmap_sync: 931 slave->unattach_request = 0; 932 regcache_cache_only(rt712->regmap, false); 933 regcache_sync(rt712->regmap); 934 regcache_cache_only(rt712->mbq_regmap, false); 935 regcache_sync(rt712->mbq_regmap); 936 return 0; 937 } 938 939 static const struct dev_pm_ops rt712_sdca_dmic_pm = { 940 SYSTEM_SLEEP_PM_OPS(rt712_sdca_dmic_dev_system_suspend, rt712_sdca_dmic_dev_resume) 941 RUNTIME_PM_OPS(rt712_sdca_dmic_dev_suspend, rt712_sdca_dmic_dev_resume, NULL) 942 }; 943 944 945 static const struct sdw_slave_ops rt712_sdca_dmic_slave_ops = { 946 .read_prop = rt712_sdca_dmic_read_prop, 947 .update_status = rt712_sdca_dmic_update_status, 948 }; 949 950 static int rt712_sdca_dmic_sdw_probe(struct sdw_slave *slave, 951 const struct sdw_device_id *id) 952 { 953 struct regmap *regmap, *mbq_regmap; 954 955 /* Regmap Initialization */ 956 mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt712_sdca_dmic_mbq_regmap); 957 if (IS_ERR(mbq_regmap)) 958 return PTR_ERR(mbq_regmap); 959 960 regmap = devm_regmap_init_sdw(slave, &rt712_sdca_dmic_regmap); 961 if (IS_ERR(regmap)) 962 return PTR_ERR(regmap); 963 964 return rt712_sdca_dmic_init(&slave->dev, regmap, mbq_regmap, slave); 965 } 966 967 static int rt712_sdca_dmic_sdw_remove(struct sdw_slave *slave) 968 { 969 pm_runtime_disable(&slave->dev); 970 971 return 0; 972 } 973 974 static struct sdw_driver rt712_sdca_dmic_sdw_driver = { 975 .driver = { 976 .name = "rt712-sdca-dmic", 977 .pm = pm_ptr(&rt712_sdca_dmic_pm), 978 }, 979 .probe = rt712_sdca_dmic_sdw_probe, 980 .remove = rt712_sdca_dmic_sdw_remove, 981 .ops = &rt712_sdca_dmic_slave_ops, 982 .id_table = rt712_sdca_dmic_id, 983 }; 984 module_sdw_driver(rt712_sdca_dmic_sdw_driver); 985 986 MODULE_DESCRIPTION("ASoC RT712 SDCA DMIC SDW driver"); 987 MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>"); 988 MODULE_LICENSE("GPL"); 989