1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // rt715-sdca.c -- rt715 ALSA SoC audio driver 4 // 5 // Copyright(c) 2020 Realtek Semiconductor Corp. 6 // 7 // 8 // 9 10 #include <linux/module.h> 11 #include <linux/moduleparam.h> 12 #include <linux/kernel.h> 13 #include <linux/init.h> 14 #include <linux/pm_runtime.h> 15 #include <linux/pm.h> 16 #include <linux/soundwire/sdw.h> 17 #include <linux/regmap.h> 18 #include <linux/slab.h> 19 #include <linux/platform_device.h> 20 #include <sound/core.h> 21 #include <sound/pcm.h> 22 #include <sound/pcm_params.h> 23 #include <sound/soc.h> 24 #include <sound/soc-dapm.h> 25 #include <sound/initval.h> 26 #include <sound/tlv.h> 27 #include <linux/soundwire/sdw_registers.h> 28 29 #include "rt715-sdca.h" 30 31 static int rt715_sdca_index_write(struct rt715_sdca_priv *rt715, 32 unsigned int nid, unsigned int reg, unsigned int value) 33 { 34 struct regmap *regmap = rt715->mbq_regmap; 35 unsigned int addr; 36 int ret; 37 38 addr = (nid << 20) | reg; 39 40 ret = regmap_write(regmap, addr, value); 41 if (ret < 0) 42 dev_err(&rt715->slave->dev, 43 "Failed to set private value: %08x <= %04x %d\n", ret, addr, 44 value); 45 46 return ret; 47 } 48 49 static int rt715_sdca_index_read(struct rt715_sdca_priv *rt715, 50 unsigned int nid, unsigned int reg, unsigned int *value) 51 { 52 struct regmap *regmap = rt715->mbq_regmap; 53 unsigned int addr; 54 int ret; 55 56 addr = (nid << 20) | reg; 57 58 ret = regmap_read(regmap, addr, value); 59 if (ret < 0) 60 dev_err(&rt715->slave->dev, 61 "Failed to get private value: %06x => %04x ret=%d\n", 62 addr, *value, ret); 63 64 return ret; 65 } 66 67 static int rt715_sdca_index_update_bits(struct rt715_sdca_priv *rt715, 68 unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val) 69 { 70 unsigned int tmp; 71 int ret; 72 73 ret = rt715_sdca_index_read(rt715, nid, reg, &tmp); 74 if (ret < 0) 75 return ret; 76 77 set_mask_bits(&tmp, mask, val); 78 79 return rt715_sdca_index_write(rt715, nid, reg, tmp); 80 } 81 82 static inline unsigned int rt715_sdca_vol_gain(unsigned int u_ctrl_val, 83 unsigned int vol_max, unsigned int vol_gain_sft) 84 { 85 unsigned int val; 86 87 if (u_ctrl_val > vol_max) 88 u_ctrl_val = vol_max; 89 val = u_ctrl_val; 90 u_ctrl_val = 91 ((abs(u_ctrl_val - vol_gain_sft) * RT715_SDCA_DB_STEP) << 8) / 1000; 92 if (val <= vol_gain_sft) { 93 u_ctrl_val = ~u_ctrl_val; 94 u_ctrl_val += 1; 95 } 96 u_ctrl_val &= 0xffff; 97 98 return u_ctrl_val; 99 } 100 101 static inline unsigned int rt715_sdca_boost_gain(unsigned int u_ctrl_val, 102 unsigned int b_max, unsigned int b_gain_sft) 103 { 104 if (u_ctrl_val > b_max) 105 u_ctrl_val = b_max; 106 107 return (u_ctrl_val * 10) << b_gain_sft; 108 } 109 110 static inline unsigned int rt715_sdca_get_gain(unsigned int reg_val, 111 unsigned int gain_sft) 112 { 113 unsigned int neg_flag = 0; 114 115 if (reg_val & BIT(15)) { 116 reg_val = ~(reg_val - 1) & 0xffff; 117 neg_flag = 1; 118 } 119 reg_val *= 1000; 120 reg_val >>= 8; 121 if (neg_flag) 122 reg_val = gain_sft - reg_val / RT715_SDCA_DB_STEP; 123 else 124 reg_val = gain_sft + reg_val / RT715_SDCA_DB_STEP; 125 126 return reg_val; 127 } 128 129 /* SDCA Volume/Boost control */ 130 static int rt715_sdca_set_amp_gain_put(struct snd_kcontrol *kcontrol, 131 struct snd_ctl_elem_value *ucontrol) 132 { 133 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 134 struct soc_mixer_control *mc = 135 (struct soc_mixer_control *)kcontrol->private_value; 136 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 137 unsigned int gain_val, i, k_changed = 0; 138 int ret; 139 140 for (i = 0; i < 2; i++) { 141 if (ucontrol->value.integer.value[i] != rt715->kctl_2ch_orig[i]) { 142 k_changed = 1; 143 break; 144 } 145 } 146 147 for (i = 0; i < 2; i++) { 148 rt715->kctl_2ch_orig[i] = ucontrol->value.integer.value[i]; 149 gain_val = 150 rt715_sdca_vol_gain(ucontrol->value.integer.value[i], mc->max, 151 mc->shift); 152 ret = regmap_write(rt715->mbq_regmap, mc->reg + i, gain_val); 153 if (ret != 0) { 154 dev_err(component->dev, "Failed to write 0x%x=0x%x\n", 155 mc->reg + i, gain_val); 156 return ret; 157 } 158 } 159 160 return k_changed; 161 } 162 163 static int rt715_sdca_set_amp_gain_4ch_put(struct snd_kcontrol *kcontrol, 164 struct snd_ctl_elem_value *ucontrol) 165 { 166 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 167 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 168 struct rt715_sdca_kcontrol_private *p = 169 (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; 170 unsigned int reg_base = p->reg_base, k_changed = 0; 171 const unsigned int gain_sft = 0x2f; 172 unsigned int gain_val, i; 173 int ret; 174 175 for (i = 0; i < 4; i++) { 176 if (ucontrol->value.integer.value[i] != rt715->kctl_4ch_orig[i]) { 177 k_changed = 1; 178 break; 179 } 180 } 181 182 for (i = 0; i < 4; i++) { 183 rt715->kctl_4ch_orig[i] = ucontrol->value.integer.value[i]; 184 gain_val = 185 rt715_sdca_vol_gain(ucontrol->value.integer.value[i], p->max, 186 gain_sft); 187 ret = regmap_write(rt715->mbq_regmap, reg_base + i, 188 gain_val); 189 if (ret != 0) { 190 dev_err(component->dev, "Failed to write 0x%x=0x%x\n", 191 reg_base + i, gain_val); 192 return ret; 193 } 194 } 195 196 return k_changed; 197 } 198 199 static int rt715_sdca_set_amp_gain_8ch_put(struct snd_kcontrol *kcontrol, 200 struct snd_ctl_elem_value *ucontrol) 201 { 202 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 203 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 204 struct rt715_sdca_kcontrol_private *p = 205 (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; 206 unsigned int reg_base = p->reg_base, i, k_changed = 0; 207 const unsigned int gain_sft = 8; 208 unsigned int gain_val, reg; 209 int ret; 210 211 for (i = 0; i < 8; i++) { 212 if (ucontrol->value.integer.value[i] != rt715->kctl_8ch_orig[i]) { 213 k_changed = 1; 214 break; 215 } 216 } 217 218 for (i = 0; i < 8; i++) { 219 rt715->kctl_8ch_orig[i] = ucontrol->value.integer.value[i]; 220 gain_val = 221 rt715_sdca_boost_gain(ucontrol->value.integer.value[i], p->max, 222 gain_sft); 223 reg = i < 7 ? reg_base + i : (reg_base - 1) | BIT(15); 224 ret = regmap_write(rt715->mbq_regmap, reg, gain_val); 225 if (ret != 0) { 226 dev_err(component->dev, "Failed to write 0x%x=0x%x\n", 227 reg, gain_val); 228 return ret; 229 } 230 } 231 232 return k_changed; 233 } 234 235 static int rt715_sdca_set_amp_gain_get(struct snd_kcontrol *kcontrol, 236 struct snd_ctl_elem_value *ucontrol) 237 { 238 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 239 struct soc_mixer_control *mc = 240 (struct soc_mixer_control *)kcontrol->private_value; 241 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 242 unsigned int val, i; 243 int ret; 244 245 for (i = 0; i < 2; i++) { 246 ret = regmap_read(rt715->mbq_regmap, mc->reg + i, &val); 247 if (ret < 0) { 248 dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", 249 mc->reg + i, ret); 250 return ret; 251 } 252 ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, mc->shift); 253 } 254 255 return 0; 256 } 257 258 static int rt715_sdca_set_amp_gain_4ch_get(struct snd_kcontrol *kcontrol, 259 struct snd_ctl_elem_value *ucontrol) 260 { 261 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 262 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 263 struct rt715_sdca_kcontrol_private *p = 264 (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; 265 unsigned int reg_base = p->reg_base, i; 266 const unsigned int gain_sft = 0x2f; 267 unsigned int val; 268 int ret; 269 270 for (i = 0; i < 4; i++) { 271 ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val); 272 if (ret < 0) { 273 dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", 274 reg_base + i, ret); 275 return ret; 276 } 277 ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, gain_sft); 278 } 279 280 return 0; 281 } 282 283 static int rt715_sdca_set_amp_gain_8ch_get(struct snd_kcontrol *kcontrol, 284 struct snd_ctl_elem_value *ucontrol) 285 { 286 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 287 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 288 struct rt715_sdca_kcontrol_private *p = 289 (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; 290 unsigned int reg_base = p->reg_base; 291 const unsigned int gain_sft = 8; 292 unsigned int val_l, val_r; 293 unsigned int i, reg; 294 int ret; 295 296 for (i = 0; i < 8; i += 2) { 297 ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val_l); 298 if (ret < 0) { 299 dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", 300 reg_base + i, ret); 301 return ret; 302 } 303 ucontrol->value.integer.value[i] = (val_l >> gain_sft) / 10; 304 305 reg = (i == 6) ? (reg_base - 1) | BIT(15) : reg_base + 1 + i; 306 ret = regmap_read(rt715->mbq_regmap, reg, &val_r); 307 if (ret < 0) { 308 dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", 309 reg, ret); 310 return ret; 311 } 312 ucontrol->value.integer.value[i + 1] = (val_r >> gain_sft) / 10; 313 } 314 315 return 0; 316 } 317 318 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -17625, 375, 0); 319 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); 320 321 static int rt715_sdca_get_volsw(struct snd_kcontrol *kcontrol, 322 struct snd_ctl_elem_value *ucontrol) 323 { 324 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 325 struct rt715_sdca_kcontrol_private *p = 326 (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; 327 unsigned int reg_base = p->reg_base; 328 unsigned int invert = p->invert, i; 329 int val; 330 331 for (i = 0; i < p->count; i += 2) { 332 val = snd_soc_component_read(component, reg_base + i); 333 if (val < 0) 334 return -EINVAL; 335 ucontrol->value.integer.value[i] = invert ? p->max - val : val; 336 337 val = snd_soc_component_read(component, reg_base + 1 + i); 338 if (val < 0) 339 return -EINVAL; 340 ucontrol->value.integer.value[i + 1] = 341 invert ? p->max - val : val; 342 } 343 344 return 0; 345 } 346 347 static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol, 348 struct snd_ctl_elem_value *ucontrol) 349 { 350 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 351 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 352 struct rt715_sdca_kcontrol_private *p = 353 (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; 354 unsigned int val[4] = {0}, val_mask, i, k_changed = 0; 355 unsigned int reg = p->reg_base; 356 unsigned int shift = p->shift; 357 unsigned int max = p->max; 358 unsigned int mask = (1 << fls(max)) - 1; 359 unsigned int invert = p->invert; 360 int err; 361 362 for (i = 0; i < 4; i++) { 363 if (ucontrol->value.integer.value[i] != rt715->kctl_switch_orig[i]) { 364 k_changed = 1; 365 break; 366 } 367 } 368 369 for (i = 0; i < 2; i++) { 370 rt715->kctl_switch_orig[i * 2] = ucontrol->value.integer.value[i * 2]; 371 val[i * 2] = ucontrol->value.integer.value[i * 2] & mask; 372 if (invert) 373 val[i * 2] = max - val[i * 2]; 374 val_mask = mask << shift; 375 val[i * 2] <<= shift; 376 377 rt715->kctl_switch_orig[i * 2 + 1] = 378 ucontrol->value.integer.value[i * 2 + 1]; 379 val[i * 2 + 1] = 380 ucontrol->value.integer.value[i * 2 + 1] & mask; 381 if (invert) 382 val[i * 2 + 1] = max - val[i * 2 + 1]; 383 384 val[i * 2 + 1] <<= shift; 385 386 err = snd_soc_component_update_bits(component, reg + i * 2, val_mask, 387 val[i * 2]); 388 if (err < 0) 389 return err; 390 391 err = snd_soc_component_update_bits(component, reg + 1 + i * 2, 392 val_mask, val[i * 2 + 1]); 393 if (err < 0) 394 return err; 395 } 396 397 return k_changed; 398 } 399 400 static int rt715_sdca_fu_info(struct snd_kcontrol *kcontrol, 401 struct snd_ctl_elem_info *uinfo) 402 { 403 struct rt715_sdca_kcontrol_private *p = 404 (struct rt715_sdca_kcontrol_private *)kcontrol->private_value; 405 406 if (p->max == 1) 407 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 408 else 409 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 410 uinfo->count = p->count; 411 uinfo->value.integer.min = 0; 412 uinfo->value.integer.max = p->max; 413 return 0; 414 } 415 416 #define RT715_SDCA_PR_VALUE(xreg_base, xcount, xmax, xshift, xinvert) \ 417 ((unsigned long)&(struct rt715_sdca_kcontrol_private) \ 418 {.reg_base = xreg_base, .count = xcount, .max = xmax, \ 419 .shift = xshift, .invert = xinvert}) 420 421 #define RT715_SDCA_FU_CTRL(xname, reg_base, xshift, xmax, xinvert, xcount) \ 422 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 423 .info = rt715_sdca_fu_info, \ 424 .get = rt715_sdca_get_volsw, \ 425 .put = rt715_sdca_put_volsw, \ 426 .private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, \ 427 xshift, xinvert)} 428 429 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 430 xhandler_get, xhandler_put) \ 431 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 432 .info = snd_soc_info_volsw, \ 433 .get = xhandler_get, .put = xhandler_put, \ 434 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 435 xmax, xinvert) } 436 437 #define RT715_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\ 438 xhandler_put, tlv_array, xcount, xmax) \ 439 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 440 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 441 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 442 .tlv.p = (tlv_array), \ 443 .info = rt715_sdca_fu_info, \ 444 .get = xhandler_get, .put = xhandler_put, \ 445 .private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, 0, 0) } 446 447 #define RT715_SDCA_BOOST_EXT_TLV(xname, reg_base, xhandler_get,\ 448 xhandler_put, tlv_array, xcount, xmax) \ 449 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 450 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 451 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 452 .tlv.p = (tlv_array), \ 453 .info = rt715_sdca_fu_info, \ 454 .get = xhandler_get, .put = xhandler_put, \ 455 .private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, 0, 0) } 456 457 static const struct snd_kcontrol_new rt715_sdca_snd_controls[] = { 458 /* Capture switch */ 459 SOC_DOUBLE_R("FU0A Capture Switch", 460 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL, 461 RT715_SDCA_FU_MUTE_CTRL, CH_01), 462 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL, 463 RT715_SDCA_FU_MUTE_CTRL, CH_02), 464 0, 1, 1), 465 RT715_SDCA_FU_CTRL("FU02 Capture Switch", 466 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL, 467 RT715_SDCA_FU_MUTE_CTRL, CH_01), 468 0, 1, 1, 4), 469 RT715_SDCA_FU_CTRL("FU06 Capture Switch", 470 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL, 471 RT715_SDCA_FU_MUTE_CTRL, CH_01), 472 0, 1, 1, 4), 473 /* Volume Control */ 474 SOC_DOUBLE_R_EXT_TLV("FU0A Capture Volume", 475 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL, 476 RT715_SDCA_FU_VOL_CTRL, CH_01), 477 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL, 478 RT715_SDCA_FU_VOL_CTRL, CH_02), 479 0x2f, 0x7f, 0, 480 rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put, 481 in_vol_tlv), 482 RT715_SDCA_EXT_TLV("FU02 Capture Volume", 483 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL, 484 RT715_SDCA_FU_VOL_CTRL, CH_01), 485 rt715_sdca_set_amp_gain_4ch_get, 486 rt715_sdca_set_amp_gain_4ch_put, 487 in_vol_tlv, 4, 0x7f), 488 RT715_SDCA_EXT_TLV("FU06 Capture Volume", 489 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL, 490 RT715_SDCA_FU_VOL_CTRL, CH_01), 491 rt715_sdca_set_amp_gain_4ch_get, 492 rt715_sdca_set_amp_gain_4ch_put, 493 in_vol_tlv, 4, 0x7f), 494 /* MIC Boost Control */ 495 RT715_SDCA_BOOST_EXT_TLV("FU0E Boost", 496 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN, 497 RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01), 498 rt715_sdca_set_amp_gain_8ch_get, 499 rt715_sdca_set_amp_gain_8ch_put, 500 mic_vol_tlv, 8, 3), 501 RT715_SDCA_BOOST_EXT_TLV("FU0C Boost", 502 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN, 503 RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01), 504 rt715_sdca_set_amp_gain_8ch_get, 505 rt715_sdca_set_amp_gain_8ch_put, 506 mic_vol_tlv, 8, 3), 507 }; 508 509 static int rt715_sdca_mux_get(struct snd_kcontrol *kcontrol, 510 struct snd_ctl_elem_value *ucontrol) 511 { 512 struct snd_soc_component *component = 513 snd_soc_dapm_kcontrol_component(kcontrol); 514 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 515 unsigned int val, mask_sft; 516 517 if (strstr(ucontrol->id.name, "ADC 22 Mux")) 518 mask_sft = 12; 519 else if (strstr(ucontrol->id.name, "ADC 23 Mux")) 520 mask_sft = 8; 521 else if (strstr(ucontrol->id.name, "ADC 24 Mux")) 522 mask_sft = 4; 523 else if (strstr(ucontrol->id.name, "ADC 25 Mux")) 524 mask_sft = 0; 525 else 526 return -EINVAL; 527 528 rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL, 529 RT715_HDA_LEGACY_MUX_CTL1, &val); 530 val = (val >> mask_sft) & 0xf; 531 532 /* 533 * The first two indices of ADC Mux 24/25 are routed to the same 534 * hardware source. ie, ADC Mux 24 0/1 will both connect to MIC2. 535 * To have a unique set of inputs, we skip the index1 of the muxes. 536 */ 537 if ((strstr(ucontrol->id.name, "ADC 24 Mux") || 538 strstr(ucontrol->id.name, "ADC 25 Mux")) && val > 0) 539 val -= 1; 540 ucontrol->value.enumerated.item[0] = val; 541 542 return 0; 543 } 544 545 static int rt715_sdca_mux_put(struct snd_kcontrol *kcontrol, 546 struct snd_ctl_elem_value *ucontrol) 547 { 548 struct snd_soc_component *component = 549 snd_soc_dapm_kcontrol_component(kcontrol); 550 struct snd_soc_dapm_context *dapm = 551 snd_soc_dapm_kcontrol_dapm(kcontrol); 552 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 553 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 554 unsigned int *item = ucontrol->value.enumerated.item; 555 unsigned int val, val2 = 0, change, mask_sft; 556 557 if (item[0] >= e->items) 558 return -EINVAL; 559 560 if (strstr(ucontrol->id.name, "ADC 22 Mux")) 561 mask_sft = 12; 562 else if (strstr(ucontrol->id.name, "ADC 23 Mux")) 563 mask_sft = 8; 564 else if (strstr(ucontrol->id.name, "ADC 24 Mux")) 565 mask_sft = 4; 566 else if (strstr(ucontrol->id.name, "ADC 25 Mux")) 567 mask_sft = 0; 568 else 569 return -EINVAL; 570 571 /* Verb ID = 0x701h, nid = e->reg */ 572 val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; 573 574 rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL, 575 RT715_HDA_LEGACY_MUX_CTL1, &val2); 576 val2 = (val2 >> mask_sft) & 0xf; 577 578 change = val != val2; 579 580 if (change) 581 rt715_sdca_index_update_bits(rt715, RT715_VENDOR_HDA_CTL, 582 RT715_HDA_LEGACY_MUX_CTL1, 0xf << mask_sft, val << mask_sft); 583 584 snd_soc_dapm_mux_update_power(dapm, kcontrol, item[0], e, NULL); 585 586 return change; 587 } 588 589 static const char * const adc_22_23_mux_text[] = { 590 "MIC1", 591 "MIC2", 592 "LINE1", 593 "LINE2", 594 "DMIC1", 595 "DMIC2", 596 "DMIC3", 597 "DMIC4", 598 }; 599 600 /* 601 * Due to mux design for nid 24 (MUX_IN3)/25 (MUX_IN4), connection index 0 and 602 * 1 will be connected to the same dmic source, therefore we skip index 1 to 603 * avoid misunderstanding on usage of dapm routing. 604 */ 605 static int rt715_adc_24_25_values[] = { 606 0, 607 2, 608 3, 609 4, 610 5, 611 }; 612 613 static const char * const adc_24_mux_text[] = { 614 "MIC2", 615 "DMIC1", 616 "DMIC2", 617 "DMIC3", 618 "DMIC4", 619 }; 620 621 static const char * const adc_25_mux_text[] = { 622 "MIC1", 623 "DMIC1", 624 "DMIC2", 625 "DMIC3", 626 "DMIC4", 627 }; 628 629 static SOC_ENUM_SINGLE_DECL(rt715_adc22_enum, SND_SOC_NOPM, 0, 630 adc_22_23_mux_text); 631 632 static SOC_ENUM_SINGLE_DECL(rt715_adc23_enum, SND_SOC_NOPM, 0, 633 adc_22_23_mux_text); 634 635 static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum, 636 SND_SOC_NOPM, 0, 0xf, 637 adc_24_mux_text, rt715_adc_24_25_values); 638 static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum, 639 SND_SOC_NOPM, 0, 0xf, 640 adc_25_mux_text, rt715_adc_24_25_values); 641 642 static const struct snd_kcontrol_new rt715_adc22_mux = 643 SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt715_adc22_enum, 644 rt715_sdca_mux_get, rt715_sdca_mux_put); 645 646 static const struct snd_kcontrol_new rt715_adc23_mux = 647 SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt715_adc23_enum, 648 rt715_sdca_mux_get, rt715_sdca_mux_put); 649 650 static const struct snd_kcontrol_new rt715_adc24_mux = 651 SOC_DAPM_ENUM_EXT("ADC 24 Mux", rt715_adc24_enum, 652 rt715_sdca_mux_get, rt715_sdca_mux_put); 653 654 static const struct snd_kcontrol_new rt715_adc25_mux = 655 SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt715_adc25_enum, 656 rt715_sdca_mux_get, rt715_sdca_mux_put); 657 658 static int rt715_sdca_pde23_24_event(struct snd_soc_dapm_widget *w, 659 struct snd_kcontrol *kcontrol, int event) 660 { 661 struct snd_soc_component *component = 662 snd_soc_dapm_to_component(w->dapm); 663 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 664 665 switch (event) { 666 case SND_SOC_DAPM_POST_PMU: 667 regmap_write(rt715->regmap, 668 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN, 669 RT715_SDCA_REQ_POW_CTRL, 670 CH_00), 0x00); 671 break; 672 case SND_SOC_DAPM_PRE_PMD: 673 regmap_write(rt715->regmap, 674 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN, 675 RT715_SDCA_REQ_POW_CTRL, 676 CH_00), 0x03); 677 break; 678 } 679 return 0; 680 } 681 682 static const struct snd_soc_dapm_widget rt715_sdca_dapm_widgets[] = { 683 SND_SOC_DAPM_INPUT("DMIC1"), 684 SND_SOC_DAPM_INPUT("DMIC2"), 685 SND_SOC_DAPM_INPUT("DMIC3"), 686 SND_SOC_DAPM_INPUT("DMIC4"), 687 SND_SOC_DAPM_INPUT("MIC1"), 688 SND_SOC_DAPM_INPUT("MIC2"), 689 SND_SOC_DAPM_INPUT("LINE1"), 690 SND_SOC_DAPM_INPUT("LINE2"), 691 692 SND_SOC_DAPM_SUPPLY("PDE23_24", SND_SOC_NOPM, 0, 0, 693 rt715_sdca_pde23_24_event, 694 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 695 696 SND_SOC_DAPM_ADC("ADC 07", NULL, SND_SOC_NOPM, 4, 0), 697 SND_SOC_DAPM_ADC("ADC 08", NULL, SND_SOC_NOPM, 4, 0), 698 SND_SOC_DAPM_ADC("ADC 09", NULL, SND_SOC_NOPM, 4, 0), 699 SND_SOC_DAPM_ADC("ADC 27", NULL, SND_SOC_NOPM, 4, 0), 700 SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0, 701 &rt715_adc22_mux), 702 SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0, 703 &rt715_adc23_mux), 704 SND_SOC_DAPM_MUX("ADC 24 Mux", SND_SOC_NOPM, 0, 0, 705 &rt715_adc24_mux), 706 SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0, 707 &rt715_adc25_mux), 708 SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0), 709 SND_SOC_DAPM_AIF_OUT("DP6TX", "DP6 Capture", 0, SND_SOC_NOPM, 0, 0), 710 }; 711 712 static const struct snd_soc_dapm_route rt715_sdca_audio_map[] = { 713 {"DP6TX", NULL, "ADC 09"}, 714 {"DP6TX", NULL, "ADC 08"}, 715 {"DP4TX", NULL, "ADC 07"}, 716 {"DP4TX", NULL, "ADC 27"}, 717 {"DP4TX", NULL, "ADC 09"}, 718 {"DP4TX", NULL, "ADC 08"}, 719 720 {"LINE1", NULL, "PDE23_24"}, 721 {"LINE2", NULL, "PDE23_24"}, 722 {"MIC1", NULL, "PDE23_24"}, 723 {"MIC2", NULL, "PDE23_24"}, 724 {"DMIC1", NULL, "PDE23_24"}, 725 {"DMIC2", NULL, "PDE23_24"}, 726 {"DMIC3", NULL, "PDE23_24"}, 727 {"DMIC4", NULL, "PDE23_24"}, 728 729 {"ADC 09", NULL, "ADC 22 Mux"}, 730 {"ADC 08", NULL, "ADC 23 Mux"}, 731 {"ADC 07", NULL, "ADC 24 Mux"}, 732 {"ADC 27", NULL, "ADC 25 Mux"}, 733 {"ADC 22 Mux", "MIC1", "MIC1"}, 734 {"ADC 22 Mux", "MIC2", "MIC2"}, 735 {"ADC 22 Mux", "LINE1", "LINE1"}, 736 {"ADC 22 Mux", "LINE2", "LINE2"}, 737 {"ADC 22 Mux", "DMIC1", "DMIC1"}, 738 {"ADC 22 Mux", "DMIC2", "DMIC2"}, 739 {"ADC 22 Mux", "DMIC3", "DMIC3"}, 740 {"ADC 22 Mux", "DMIC4", "DMIC4"}, 741 {"ADC 23 Mux", "MIC1", "MIC1"}, 742 {"ADC 23 Mux", "MIC2", "MIC2"}, 743 {"ADC 23 Mux", "LINE1", "LINE1"}, 744 {"ADC 23 Mux", "LINE2", "LINE2"}, 745 {"ADC 23 Mux", "DMIC1", "DMIC1"}, 746 {"ADC 23 Mux", "DMIC2", "DMIC2"}, 747 {"ADC 23 Mux", "DMIC3", "DMIC3"}, 748 {"ADC 23 Mux", "DMIC4", "DMIC4"}, 749 {"ADC 24 Mux", "MIC2", "MIC2"}, 750 {"ADC 24 Mux", "DMIC1", "DMIC1"}, 751 {"ADC 24 Mux", "DMIC2", "DMIC2"}, 752 {"ADC 24 Mux", "DMIC3", "DMIC3"}, 753 {"ADC 24 Mux", "DMIC4", "DMIC4"}, 754 {"ADC 25 Mux", "MIC1", "MIC1"}, 755 {"ADC 25 Mux", "DMIC1", "DMIC1"}, 756 {"ADC 25 Mux", "DMIC2", "DMIC2"}, 757 {"ADC 25 Mux", "DMIC3", "DMIC3"}, 758 {"ADC 25 Mux", "DMIC4", "DMIC4"}, 759 }; 760 761 static const struct snd_soc_component_driver soc_codec_dev_rt715_sdca = { 762 .controls = rt715_sdca_snd_controls, 763 .num_controls = ARRAY_SIZE(rt715_sdca_snd_controls), 764 .dapm_widgets = rt715_sdca_dapm_widgets, 765 .num_dapm_widgets = ARRAY_SIZE(rt715_sdca_dapm_widgets), 766 .dapm_routes = rt715_sdca_audio_map, 767 .num_dapm_routes = ARRAY_SIZE(rt715_sdca_audio_map), 768 }; 769 770 static int rt715_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, 771 int direction) 772 { 773 struct rt715_sdw_stream_data *stream; 774 775 stream = kzalloc(sizeof(*stream), GFP_KERNEL); 776 if (!stream) 777 return -ENOMEM; 778 779 stream->sdw_stream = sdw_stream; 780 781 /* Use tx_mask or rx_mask to configure stream tag and set dma_data */ 782 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 783 dai->playback_dma_data = stream; 784 else 785 dai->capture_dma_data = stream; 786 787 return 0; 788 } 789 790 static void rt715_sdca_shutdown(struct snd_pcm_substream *substream, 791 struct snd_soc_dai *dai) 792 793 { 794 struct rt715_sdw_stream_data *stream; 795 796 stream = snd_soc_dai_get_dma_data(dai, substream); 797 if (!stream) 798 return; 799 800 snd_soc_dai_set_dma_data(dai, substream, NULL); 801 kfree(stream); 802 } 803 804 static int rt715_sdca_pcm_hw_params(struct snd_pcm_substream *substream, 805 struct snd_pcm_hw_params *params, 806 struct snd_soc_dai *dai) 807 { 808 struct snd_soc_component *component = dai->component; 809 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 810 struct sdw_stream_config stream_config; 811 struct sdw_port_config port_config; 812 enum sdw_data_direction direction; 813 struct rt715_sdw_stream_data *stream; 814 int retval, port, num_channels; 815 unsigned int val; 816 817 stream = snd_soc_dai_get_dma_data(dai, substream); 818 819 if (!stream) 820 return -EINVAL; 821 822 if (!rt715->slave) 823 return -EINVAL; 824 825 switch (dai->id) { 826 case RT715_AIF1: 827 direction = SDW_DATA_DIR_TX; 828 port = 6; 829 rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL, 830 0xa500); 831 break; 832 case RT715_AIF2: 833 direction = SDW_DATA_DIR_TX; 834 port = 4; 835 rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL, 836 0xaf00); 837 break; 838 default: 839 dev_err(component->dev, "Invalid DAI id %d\n", dai->id); 840 return -EINVAL; 841 } 842 843 stream_config.frame_rate = params_rate(params); 844 stream_config.ch_count = params_channels(params); 845 stream_config.bps = snd_pcm_format_width(params_format(params)); 846 stream_config.direction = direction; 847 848 num_channels = params_channels(params); 849 port_config.ch_mask = GENMASK(num_channels - 1, 0); 850 port_config.num = port; 851 852 retval = sdw_stream_add_slave(rt715->slave, &stream_config, 853 &port_config, 1, stream->sdw_stream); 854 if (retval) { 855 dev_err(component->dev, "Unable to configure port, retval:%d\n", 856 retval); 857 return retval; 858 } 859 860 switch (params_rate(params)) { 861 case 8000: 862 val = 0x1; 863 break; 864 case 11025: 865 val = 0x2; 866 break; 867 case 12000: 868 val = 0x3; 869 break; 870 case 16000: 871 val = 0x4; 872 break; 873 case 22050: 874 val = 0x5; 875 break; 876 case 24000: 877 val = 0x6; 878 break; 879 case 32000: 880 val = 0x7; 881 break; 882 case 44100: 883 val = 0x8; 884 break; 885 case 48000: 886 val = 0x9; 887 break; 888 case 88200: 889 val = 0xa; 890 break; 891 case 96000: 892 val = 0xb; 893 break; 894 case 176400: 895 val = 0xc; 896 break; 897 case 192000: 898 val = 0xd; 899 break; 900 case 384000: 901 val = 0xe; 902 break; 903 case 768000: 904 val = 0xf; 905 break; 906 default: 907 dev_err(component->dev, "Unsupported sample rate %d\n", 908 params_rate(params)); 909 return -EINVAL; 910 } 911 912 regmap_write(rt715->regmap, 913 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CS_FREQ_IND_EN, 914 RT715_SDCA_FREQ_IND_CTRL, CH_00), val); 915 916 return 0; 917 } 918 919 static int rt715_sdca_pcm_hw_free(struct snd_pcm_substream *substream, 920 struct snd_soc_dai *dai) 921 { 922 struct snd_soc_component *component = dai->component; 923 struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); 924 struct rt715_sdw_stream_data *stream = 925 snd_soc_dai_get_dma_data(dai, substream); 926 927 if (!rt715->slave) 928 return -EINVAL; 929 930 sdw_stream_remove_slave(rt715->slave, stream->sdw_stream); 931 return 0; 932 } 933 934 #define RT715_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) 935 #define RT715_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 936 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) 937 938 static const struct snd_soc_dai_ops rt715_sdca_ops = { 939 .hw_params = rt715_sdca_pcm_hw_params, 940 .hw_free = rt715_sdca_pcm_hw_free, 941 .set_sdw_stream = rt715_sdca_set_sdw_stream, 942 .shutdown = rt715_sdca_shutdown, 943 }; 944 945 static struct snd_soc_dai_driver rt715_sdca_dai[] = { 946 { 947 .name = "rt715-aif1", 948 .id = RT715_AIF1, 949 .capture = { 950 .stream_name = "DP6 Capture", 951 .channels_min = 1, 952 .channels_max = 2, 953 .rates = RT715_STEREO_RATES, 954 .formats = RT715_FORMATS, 955 }, 956 .ops = &rt715_sdca_ops, 957 }, 958 { 959 .name = "rt715-aif2", 960 .id = RT715_AIF2, 961 .capture = { 962 .stream_name = "DP4 Capture", 963 .channels_min = 1, 964 .channels_max = 2, 965 .rates = RT715_STEREO_RATES, 966 .formats = RT715_FORMATS, 967 }, 968 .ops = &rt715_sdca_ops, 969 }, 970 }; 971 972 /* Bus clock frequency */ 973 #define RT715_CLK_FREQ_9600000HZ 9600000 974 #define RT715_CLK_FREQ_12000000HZ 12000000 975 #define RT715_CLK_FREQ_6000000HZ 6000000 976 #define RT715_CLK_FREQ_4800000HZ 4800000 977 #define RT715_CLK_FREQ_2400000HZ 2400000 978 #define RT715_CLK_FREQ_12288000HZ 12288000 979 980 int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap, 981 struct regmap *regmap, struct sdw_slave *slave) 982 { 983 struct rt715_sdca_priv *rt715; 984 int ret; 985 986 rt715 = devm_kzalloc(dev, sizeof(*rt715), GFP_KERNEL); 987 if (!rt715) 988 return -ENOMEM; 989 990 dev_set_drvdata(dev, rt715); 991 rt715->slave = slave; 992 rt715->regmap = regmap; 993 rt715->mbq_regmap = mbq_regmap; 994 rt715->hw_sdw_ver = slave->id.sdw_version; 995 /* 996 * Mark hw_init to false 997 * HW init will be performed when device reports present 998 */ 999 rt715->hw_init = false; 1000 rt715->first_init = false; 1001 1002 ret = devm_snd_soc_register_component(dev, 1003 &soc_codec_dev_rt715_sdca, 1004 rt715_sdca_dai, 1005 ARRAY_SIZE(rt715_sdca_dai)); 1006 1007 return ret; 1008 } 1009 1010 int rt715_sdca_io_init(struct device *dev, struct sdw_slave *slave) 1011 { 1012 struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev); 1013 unsigned int hw_ver; 1014 1015 if (rt715->hw_init) 1016 return 0; 1017 1018 /* 1019 * PM runtime is only enabled when a Slave reports as Attached 1020 */ 1021 if (!rt715->first_init) { 1022 /* set autosuspend parameters */ 1023 pm_runtime_set_autosuspend_delay(&slave->dev, 3000); 1024 pm_runtime_use_autosuspend(&slave->dev); 1025 1026 /* update count of parent 'active' children */ 1027 pm_runtime_set_active(&slave->dev); 1028 1029 /* make sure the device does not suspend immediately */ 1030 pm_runtime_mark_last_busy(&slave->dev); 1031 1032 pm_runtime_enable(&slave->dev); 1033 1034 rt715->first_init = true; 1035 } 1036 1037 pm_runtime_get_noresume(&slave->dev); 1038 1039 rt715_sdca_index_read(rt715, RT715_VENDOR_REG, 1040 RT715_PRODUCT_NUM, &hw_ver); 1041 hw_ver = hw_ver & 0x000f; 1042 1043 /* set clock selector = external */ 1044 regmap_write(rt715->regmap, 1045 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CX_CLK_SEL_EN, 1046 RT715_SDCA_CX_CLK_SEL_CTRL, CH_00), 0x1); 1047 /* set GPIO_4/5/6 to be 3rd/4th DMIC usage */ 1048 if (hw_ver == 0x0) 1049 rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG, 1050 RT715_AD_FUNC_EN, 0x54, 0x54); 1051 else if (hw_ver == 0x1) { 1052 rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG, 1053 RT715_AD_FUNC_EN, 0x55, 0x55); 1054 rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG, 1055 RT715_REV_1, 0x40, 0x40); 1056 } 1057 /* trigger mode = VAD enable */ 1058 regmap_write(rt715->regmap, 1059 SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN, 1060 RT715_SDCA_SMPU_TRIG_EN_CTRL, CH_00), 0x2); 1061 /* SMPU-1 interrupt enable mask */ 1062 regmap_update_bits(rt715->regmap, RT715_INT_MASK, 0x1, 0x1); 1063 1064 /* Mark Slave initialization complete */ 1065 rt715->hw_init = true; 1066 1067 pm_runtime_mark_last_busy(&slave->dev); 1068 pm_runtime_put_autosuspend(&slave->dev); 1069 1070 return 0; 1071 } 1072 1073 MODULE_DESCRIPTION("ASoC rt715 driver SDW SDCA"); 1074 MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>"); 1075 MODULE_LICENSE("GPL v2"); 1076