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