1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2022 MediaTek Inc. */ 3 4 #include <linux/kernel.h> 5 #include <linux/module.h> 6 #include <linux/platform_device.h> 7 #include <linux/pinctrl/consumer.h> 8 #include <linux/of.h> 9 #include <linux/of_reserved_mem.h> 10 #include <linux/of_gpio.h> 11 #include <linux/iopoll.h> 12 #include <linux/reset.h> 13 #include <linux/of_net.h> 14 #include <linux/clk.h> 15 16 #include "mt7915.h" 17 18 #define MT7981_CON_INFRA_VERSION 0x02090000 19 #define MT7986_CON_INFRA_VERSION 0x02070000 20 21 /* INFRACFG */ 22 #define MT_INFRACFG_CONN2AP_SLPPROT 0x0d0 23 #define MT_INFRACFG_AP2CONN_SLPPROT 0x0d4 24 25 #define MT_INFRACFG_RX_EN_MASK BIT(16) 26 #define MT_INFRACFG_TX_RDY_MASK BIT(4) 27 #define MT_INFRACFG_TX_EN_MASK BIT(0) 28 29 /* TOP POS */ 30 #define MT_TOP_POS_FAST_CTRL 0x114 31 #define MT_TOP_POS_FAST_EN_MASK BIT(3) 32 33 #define MT_TOP_POS_SKU 0x21c 34 #define MT_TOP_POS_SKU_MASK GENMASK(31, 28) 35 #define MT_TOP_POS_SKU_ADIE_DBDC_MASK BIT(2) 36 37 enum { 38 ADIE_SB, 39 ADIE_DBDC 40 }; 41 42 static int mt76_wmac_spi_read(struct mt7915_dev * dev,u8 adie,u32 addr,u32 * val)43 mt76_wmac_spi_read(struct mt7915_dev *dev, u8 adie, u32 addr, u32 *val) 44 { 45 int ret; 46 u32 cur; 47 48 ret = read_poll_timeout(mt76_rr, cur, !(cur & MT_TOP_SPI_POLLING_BIT), 49 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 50 dev, MT_TOP_SPI_BUSY_CR(adie)); 51 if (ret) 52 return ret; 53 54 mt76_wr(dev, MT_TOP_SPI_ADDR_CR(adie), 55 MT_TOP_SPI_READ_ADDR_FORMAT | addr); 56 mt76_wr(dev, MT_TOP_SPI_WRITE_DATA_CR(adie), 0); 57 58 ret = read_poll_timeout(mt76_rr, cur, !(cur & MT_TOP_SPI_POLLING_BIT), 59 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 60 dev, MT_TOP_SPI_BUSY_CR(adie)); 61 if (ret) 62 return ret; 63 64 *val = mt76_rr(dev, MT_TOP_SPI_READ_DATA_CR(adie)); 65 66 return 0; 67 } 68 69 static int mt76_wmac_spi_write(struct mt7915_dev * dev,u8 adie,u32 addr,u32 val)70 mt76_wmac_spi_write(struct mt7915_dev *dev, u8 adie, u32 addr, u32 val) 71 { 72 int ret; 73 u32 cur; 74 75 ret = read_poll_timeout(mt76_rr, cur, !(cur & MT_TOP_SPI_POLLING_BIT), 76 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 77 dev, MT_TOP_SPI_BUSY_CR(adie)); 78 if (ret) 79 return ret; 80 81 mt76_wr(dev, MT_TOP_SPI_ADDR_CR(adie), 82 MT_TOP_SPI_WRITE_ADDR_FORMAT | addr); 83 mt76_wr(dev, MT_TOP_SPI_WRITE_DATA_CR(adie), val); 84 85 return read_poll_timeout(mt76_rr, cur, !(cur & MT_TOP_SPI_POLLING_BIT), 86 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 87 dev, MT_TOP_SPI_BUSY_CR(adie)); 88 } 89 90 static int mt76_wmac_spi_rmw(struct mt7915_dev * dev,u8 adie,u32 addr,u32 mask,u32 val)91 mt76_wmac_spi_rmw(struct mt7915_dev *dev, u8 adie, 92 u32 addr, u32 mask, u32 val) 93 { 94 u32 cur, ret; 95 96 ret = mt76_wmac_spi_read(dev, adie, addr, &cur); 97 if (ret) 98 return ret; 99 100 cur &= ~mask; 101 cur |= val; 102 103 return mt76_wmac_spi_write(dev, adie, addr, cur); 104 } 105 106 static int mt7986_wmac_adie_efuse_read(struct mt7915_dev * dev,u8 adie,u32 addr,u32 * data)107 mt7986_wmac_adie_efuse_read(struct mt7915_dev *dev, u8 adie, 108 u32 addr, u32 *data) 109 { 110 int ret, temp; 111 u32 val, mask; 112 113 ret = mt76_wmac_spi_write(dev, adie, MT_ADIE_EFUSE_CFG, 114 MT_ADIE_EFUSE_CTRL_MASK); 115 if (ret) 116 return ret; 117 118 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_EFUSE2_CTRL, BIT(30), 0x0); 119 if (ret) 120 return ret; 121 122 mask = (MT_ADIE_EFUSE_MODE_MASK | MT_ADIE_EFUSE_ADDR_MASK | 123 MT_ADIE_EFUSE_KICK_MASK); 124 val = FIELD_PREP(MT_ADIE_EFUSE_MODE_MASK, 0) | 125 FIELD_PREP(MT_ADIE_EFUSE_ADDR_MASK, addr) | 126 FIELD_PREP(MT_ADIE_EFUSE_KICK_MASK, 1); 127 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_EFUSE2_CTRL, mask, val); 128 if (ret) 129 return ret; 130 131 ret = read_poll_timeout(mt76_wmac_spi_read, temp, 132 !temp && !FIELD_GET(MT_ADIE_EFUSE_KICK_MASK, val), 133 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 134 dev, adie, MT_ADIE_EFUSE2_CTRL, &val); 135 if (ret) 136 return ret; 137 138 ret = mt76_wmac_spi_read(dev, adie, MT_ADIE_EFUSE2_CTRL, &val); 139 if (ret) 140 return ret; 141 142 if (FIELD_GET(MT_ADIE_EFUSE_VALID_MASK, val) == 1) 143 ret = mt76_wmac_spi_read(dev, adie, MT_ADIE_EFUSE_RDATA0, 144 data); 145 146 return ret; 147 } 148 mt76_wmac_spi_lock(struct mt7915_dev * dev)149 static inline void mt76_wmac_spi_lock(struct mt7915_dev *dev) 150 { 151 u32 cur; 152 153 read_poll_timeout(mt76_rr, cur, 154 FIELD_GET(MT_SEMA_RFSPI_STATUS_MASK, cur), 155 1000, 1000 * MSEC_PER_SEC, false, dev, 156 MT_SEMA_RFSPI_STATUS); 157 } 158 mt76_wmac_spi_unlock(struct mt7915_dev * dev)159 static inline void mt76_wmac_spi_unlock(struct mt7915_dev *dev) 160 { 161 mt76_wr(dev, MT_SEMA_RFSPI_RELEASE, 1); 162 } 163 mt76_wmac_rmw(void __iomem * base,u32 offset,u32 mask,u32 val)164 static u32 mt76_wmac_rmw(void __iomem *base, u32 offset, u32 mask, u32 val) 165 { 166 val |= readl(base + offset) & ~mask; 167 writel(val, base + offset); 168 169 return val; 170 } 171 mt798x_wmac_check_adie_type(struct mt7915_dev * dev)172 static u8 mt798x_wmac_check_adie_type(struct mt7915_dev *dev) 173 { 174 u32 val; 175 176 /* Only DBDC A-die is used with MT7981 */ 177 if (is_mt7981(&dev->mt76)) 178 return ADIE_DBDC; 179 180 val = readl(dev->sku + MT_TOP_POS_SKU); 181 182 return FIELD_GET(MT_TOP_POS_SKU_ADIE_DBDC_MASK, val); 183 } 184 mt7986_wmac_consys_reset(struct mt7915_dev * dev,bool enable)185 static int mt7986_wmac_consys_reset(struct mt7915_dev *dev, bool enable) 186 { 187 if (!enable) 188 return reset_control_assert(dev->rstc); 189 190 mt76_wmac_rmw(dev->sku, MT_TOP_POS_FAST_CTRL, 191 MT_TOP_POS_FAST_EN_MASK, 192 FIELD_PREP(MT_TOP_POS_FAST_EN_MASK, 0x1)); 193 194 return reset_control_deassert(dev->rstc); 195 } 196 mt7986_wmac_gpio_setup(struct mt7915_dev * dev)197 static int mt7986_wmac_gpio_setup(struct mt7915_dev *dev) 198 { 199 struct pinctrl_state *state; 200 struct pinctrl *pinctrl; 201 int ret; 202 u8 type; 203 204 type = mt798x_wmac_check_adie_type(dev); 205 pinctrl = devm_pinctrl_get(dev->mt76.dev); 206 if (IS_ERR(pinctrl)) 207 return PTR_ERR(pinctrl); 208 209 switch (type) { 210 case ADIE_SB: 211 state = pinctrl_lookup_state(pinctrl, "default"); 212 if (IS_ERR_OR_NULL(state)) 213 return -EINVAL; 214 break; 215 case ADIE_DBDC: 216 state = pinctrl_lookup_state(pinctrl, "dbdc"); 217 if (IS_ERR_OR_NULL(state)) 218 return -EINVAL; 219 break; 220 default: 221 return -EINVAL; 222 } 223 224 ret = pinctrl_select_state(pinctrl, state); 225 if (ret) 226 return ret; 227 228 usleep_range(500, 1000); 229 230 return 0; 231 } 232 mt7986_wmac_consys_lockup(struct mt7915_dev * dev,bool enable)233 static int mt7986_wmac_consys_lockup(struct mt7915_dev *dev, bool enable) 234 { 235 int ret; 236 u32 cur; 237 238 mt76_wmac_rmw(dev->dcm, MT_INFRACFG_AP2CONN_SLPPROT, 239 MT_INFRACFG_RX_EN_MASK, 240 FIELD_PREP(MT_INFRACFG_RX_EN_MASK, enable)); 241 ret = read_poll_timeout(readl, cur, !(cur & MT_INFRACFG_RX_EN_MASK), 242 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 243 dev->dcm + MT_INFRACFG_AP2CONN_SLPPROT); 244 if (ret) 245 return ret; 246 247 mt76_wmac_rmw(dev->dcm, MT_INFRACFG_AP2CONN_SLPPROT, 248 MT_INFRACFG_TX_EN_MASK, 249 FIELD_PREP(MT_INFRACFG_TX_EN_MASK, enable)); 250 ret = read_poll_timeout(readl, cur, !(cur & MT_INFRACFG_TX_RDY_MASK), 251 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 252 dev->dcm + MT_INFRACFG_AP2CONN_SLPPROT); 253 if (ret) 254 return ret; 255 256 mt76_wmac_rmw(dev->dcm, MT_INFRACFG_CONN2AP_SLPPROT, 257 MT_INFRACFG_RX_EN_MASK, 258 FIELD_PREP(MT_INFRACFG_RX_EN_MASK, enable)); 259 mt76_wmac_rmw(dev->dcm, MT_INFRACFG_CONN2AP_SLPPROT, 260 MT_INFRACFG_TX_EN_MASK, 261 FIELD_PREP(MT_INFRACFG_TX_EN_MASK, enable)); 262 263 return 0; 264 } 265 mt798x_wmac_coninfra_check(struct mt7915_dev * dev)266 static int mt798x_wmac_coninfra_check(struct mt7915_dev *dev) 267 { 268 u32 cur; 269 u32 con_infra_version; 270 271 if (is_mt7981(&dev->mt76)) { 272 con_infra_version = MT7981_CON_INFRA_VERSION; 273 } else if (is_mt7986(&dev->mt76)) { 274 con_infra_version = MT7986_CON_INFRA_VERSION; 275 } else { 276 WARN_ON(1); 277 return -EINVAL; 278 } 279 280 return read_poll_timeout(mt76_rr, cur, (cur == con_infra_version), 281 USEC_PER_MSEC, 50 * USEC_PER_MSEC, 282 false, dev, MT_CONN_INFRA_BASE); 283 } 284 mt798x_wmac_coninfra_setup(struct mt7915_dev * dev)285 static int mt798x_wmac_coninfra_setup(struct mt7915_dev *dev) 286 { 287 struct device *pdev = dev->mt76.dev; 288 struct reserved_mem *rmem; 289 struct device_node *np; 290 u32 val; 291 292 np = of_parse_phandle(pdev->of_node, "memory-region", 0); 293 if (!np) 294 return -EINVAL; 295 296 rmem = of_reserved_mem_lookup(np); 297 of_node_put(np); 298 if (!rmem) 299 return -EINVAL; 300 301 val = (rmem->base >> 16) & MT_TOP_MCU_EMI_BASE_MASK; 302 303 if (is_mt7986(&dev->mt76)) { 304 /* Set conninfra subsys PLL check */ 305 mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS, 306 MT_INFRA_CKGEN_BUS_RDY_SEL_MASK, 0x1); 307 mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS, 308 MT_INFRA_CKGEN_BUS_RDY_SEL_MASK, 0x1); 309 } 310 311 mt76_rmw_field(dev, MT_TOP_MCU_EMI_BASE, 312 MT_TOP_MCU_EMI_BASE_MASK, val); 313 314 if (is_mt7981(&dev->mt76)) { 315 mt76_rmw_field(dev, MT_TOP_WF_AP_PERI_BASE, 316 MT_TOP_WF_AP_PERI_BASE_MASK, 0x300d0000 >> 16); 317 318 mt76_rmw_field(dev, MT_TOP_EFUSE_BASE, 319 MT_TOP_EFUSE_BASE_MASK, 0x11f20000 >> 16); 320 } 321 322 mt76_wr(dev, MT_INFRA_BUS_EMI_START, rmem->base); 323 mt76_wr(dev, MT_INFRA_BUS_EMI_END, rmem->size); 324 325 mt76_rr(dev, MT_CONN_INFRA_EFUSE); 326 327 /* Set conninfra sysram */ 328 mt76_wr(dev, MT_TOP_RGU_SYSRAM_PDN, 0); 329 mt76_wr(dev, MT_TOP_RGU_SYSRAM_SLP, 1); 330 331 return 0; 332 } 333 mt798x_wmac_sku_setup(struct mt7915_dev * dev,u32 * adie_type)334 static int mt798x_wmac_sku_setup(struct mt7915_dev *dev, u32 *adie_type) 335 { 336 int ret; 337 u32 adie_main = 0, adie_ext = 0; 338 339 mt76_rmw_field(dev, MT_CONN_INFRA_ADIE_RESET, 340 MT_CONN_INFRA_ADIE1_RESET_MASK, 0x1); 341 342 if (is_mt7986(&dev->mt76)) { 343 mt76_rmw_field(dev, MT_CONN_INFRA_ADIE_RESET, 344 MT_CONN_INFRA_ADIE2_RESET_MASK, 0x1); 345 } 346 347 mt76_wmac_spi_lock(dev); 348 349 ret = mt76_wmac_spi_read(dev, 0, MT_ADIE_CHIP_ID, &adie_main); 350 if (ret) 351 goto out; 352 353 if (is_mt7986(&dev->mt76)) { 354 ret = mt76_wmac_spi_read(dev, 1, MT_ADIE_CHIP_ID, &adie_ext); 355 if (ret) 356 goto out; 357 } 358 359 *adie_type = FIELD_GET(MT_ADIE_CHIP_ID_MASK, adie_main) | 360 (MT_ADIE_CHIP_ID_MASK & adie_ext); 361 362 out: 363 mt76_wmac_spi_unlock(dev); 364 365 return 0; 366 } 367 mt7986_adie_idx(u8 adie,u32 adie_type)368 static inline u16 mt7986_adie_idx(u8 adie, u32 adie_type) 369 { 370 if (adie == 0) 371 return u32_get_bits(adie_type, MT_ADIE_IDX0); 372 else 373 return u32_get_bits(adie_type, MT_ADIE_IDX1); 374 } 375 is_7975(struct mt7915_dev * dev,u8 adie,u32 adie_type)376 static inline bool is_7975(struct mt7915_dev *dev, u8 adie, u32 adie_type) 377 { 378 return mt7986_adie_idx(adie, adie_type) == 0x7975; 379 } 380 is_7976(struct mt7915_dev * dev,u8 adie,u32 adie_type)381 static inline bool is_7976(struct mt7915_dev *dev, u8 adie, u32 adie_type) 382 { 383 return mt7986_adie_idx(adie, adie_type) == 0x7976; 384 } 385 mt7986_wmac_adie_thermal_cal(struct mt7915_dev * dev,u8 adie)386 static int mt7986_wmac_adie_thermal_cal(struct mt7915_dev *dev, u8 adie) 387 { 388 int ret; 389 u32 data, val; 390 391 ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_THADC_ANALOG, 392 &data); 393 if (ret || FIELD_GET(MT_ADIE_ANA_EN_MASK, data)) { 394 val = FIELD_GET(MT_ADIE_VRPI_SEL_EFUSE_MASK, data); 395 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_RG_TOP_THADC_BG, 396 MT_ADIE_VRPI_SEL_CR_MASK, 397 FIELD_PREP(MT_ADIE_VRPI_SEL_CR_MASK, val)); 398 if (ret) 399 return ret; 400 401 val = FIELD_GET(MT_ADIE_PGA_GAIN_EFUSE_MASK, data); 402 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_RG_TOP_THADC, 403 MT_ADIE_PGA_GAIN_MASK, 404 FIELD_PREP(MT_ADIE_PGA_GAIN_MASK, val)); 405 if (ret) 406 return ret; 407 } 408 409 ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_THADC_SLOP, 410 &data); 411 if (ret || FIELD_GET(MT_ADIE_ANA_EN_MASK, data)) { 412 val = FIELD_GET(MT_ADIE_LDO_CTRL_EFUSE_MASK, data); 413 414 return mt76_wmac_spi_rmw(dev, adie, MT_ADIE_RG_TOP_THADC, 415 MT_ADIE_LDO_CTRL_MASK, 416 FIELD_PREP(MT_ADIE_LDO_CTRL_MASK, val)); 417 } 418 419 return 0; 420 } 421 422 static int mt7986_read_efuse_xo_trim_7976(struct mt7915_dev * dev,u8 adie,bool is_40m,int * result)423 mt7986_read_efuse_xo_trim_7976(struct mt7915_dev *dev, u8 adie, 424 bool is_40m, int *result) 425 { 426 int ret; 427 u32 data, addr; 428 429 addr = is_40m ? MT_ADIE_XTAL_AXM_40M_OSC : MT_ADIE_XTAL_AXM_80M_OSC; 430 ret = mt7986_wmac_adie_efuse_read(dev, adie, addr, &data); 431 if (ret) 432 return ret; 433 434 if (!FIELD_GET(MT_ADIE_XO_TRIM_EN_MASK, data)) { 435 *result = 64; 436 } else { 437 *result = FIELD_GET(MT_ADIE_TRIM_MASK, data); 438 addr = is_40m ? MT_ADIE_XTAL_TRIM1_40M_OSC : 439 MT_ADIE_XTAL_TRIM1_80M_OSC; 440 ret = mt7986_wmac_adie_efuse_read(dev, adie, addr, &data); 441 if (ret) 442 return ret; 443 444 if (FIELD_GET(MT_ADIE_XO_TRIM_EN_MASK, data) && 445 FIELD_GET(MT_ADIE_XTAL_DECREASE_MASK, data)) 446 *result -= FIELD_GET(MT_ADIE_EFUSE_TRIM_MASK, data); 447 else if (FIELD_GET(MT_ADIE_XO_TRIM_EN_MASK, data)) 448 *result += FIELD_GET(MT_ADIE_EFUSE_TRIM_MASK, data); 449 450 *result = max(0, min(127, *result)); 451 } 452 453 return 0; 454 } 455 mt7986_wmac_adie_xtal_trim_7976(struct mt7915_dev * dev,u8 adie)456 static int mt7986_wmac_adie_xtal_trim_7976(struct mt7915_dev *dev, u8 adie) 457 { 458 int ret, trim_80m, trim_40m; 459 u32 data, val, mode; 460 461 ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_XO_TRIM_FLOW, 462 &data); 463 if (ret || !FIELD_GET(BIT(1), data)) 464 return 0; 465 466 ret = mt7986_read_efuse_xo_trim_7976(dev, adie, false, &trim_80m); 467 if (ret) 468 return ret; 469 470 ret = mt7986_read_efuse_xo_trim_7976(dev, adie, true, &trim_40m); 471 if (ret) 472 return ret; 473 474 ret = mt76_wmac_spi_read(dev, adie, MT_ADIE_RG_STRAP_PIN_IN, &val); 475 if (ret) 476 return ret; 477 478 mode = FIELD_PREP(GENMASK(6, 4), val); 479 if (!mode || mode == 0x2) { 480 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_XTAL_C1, 481 GENMASK(31, 24), 482 FIELD_PREP(GENMASK(31, 24), trim_80m)); 483 if (ret) 484 return ret; 485 486 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_XTAL_C2, 487 GENMASK(31, 24), 488 FIELD_PREP(GENMASK(31, 24), trim_80m)); 489 } else if (mode == 0x3 || mode == 0x4 || mode == 0x6) { 490 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_XTAL_C1, 491 GENMASK(23, 16), 492 FIELD_PREP(GENMASK(23, 16), trim_40m)); 493 if (ret) 494 return ret; 495 496 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_XTAL_C2, 497 GENMASK(23, 16), 498 FIELD_PREP(GENMASK(23, 16), trim_40m)); 499 } 500 501 return ret; 502 } 503 mt798x_wmac_adie_patch_7976(struct mt7915_dev * dev,u8 adie)504 static int mt798x_wmac_adie_patch_7976(struct mt7915_dev *dev, u8 adie) 505 { 506 u32 id, version, rg_xo_01, rg_xo_03; 507 int ret; 508 509 ret = mt76_wmac_spi_read(dev, adie, MT_ADIE_CHIP_ID, &id); 510 if (ret) 511 return ret; 512 513 version = FIELD_GET(MT_ADIE_VERSION_MASK, id); 514 515 ret = mt76_wmac_spi_write(dev, adie, MT_ADIE_RG_TOP_THADC, 0x4a563b00); 516 if (ret) 517 return ret; 518 519 if (version == 0x8a00 || version == 0x8a10 || version == 0x8b00) { 520 rg_xo_01 = 0x1d59080f; 521 rg_xo_03 = 0x34c00fe0; 522 } else { 523 if (is_mt7981(&dev->mt76)) { 524 rg_xo_01 = 0x1959c80f; 525 } else if (is_mt7986(&dev->mt76)) { 526 rg_xo_01 = 0x1959f80f; 527 } else { 528 WARN_ON(1); 529 return -EINVAL; 530 } 531 rg_xo_03 = 0x34d00fe0; 532 } 533 534 ret = mt76_wmac_spi_write(dev, adie, MT_ADIE_RG_XO_01, rg_xo_01); 535 if (ret) 536 return ret; 537 538 return mt76_wmac_spi_write(dev, adie, MT_ADIE_RG_XO_03, rg_xo_03); 539 } 540 541 static int mt7986_read_efuse_xo_trim_7975(struct mt7915_dev * dev,u8 adie,u32 addr,u32 * result)542 mt7986_read_efuse_xo_trim_7975(struct mt7915_dev *dev, u8 adie, 543 u32 addr, u32 *result) 544 { 545 int ret; 546 u32 data; 547 548 ret = mt7986_wmac_adie_efuse_read(dev, adie, addr, &data); 549 if (ret) 550 return ret; 551 552 if ((data & MT_ADIE_XO_TRIM_EN_MASK)) { 553 if ((data & MT_ADIE_XTAL_DECREASE_MASK)) 554 *result -= (data & MT_ADIE_EFUSE_TRIM_MASK); 555 else 556 *result += (data & MT_ADIE_EFUSE_TRIM_MASK); 557 558 *result = (*result & MT_ADIE_TRIM_MASK); 559 } 560 561 return 0; 562 } 563 mt7986_wmac_adie_xtal_trim_7975(struct mt7915_dev * dev,u8 adie)564 static int mt7986_wmac_adie_xtal_trim_7975(struct mt7915_dev *dev, u8 adie) 565 { 566 int ret; 567 u32 data, result = 0, value; 568 569 ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_7975_XTAL_EN, 570 &data); 571 if (ret || !(data & BIT(1))) 572 return 0; 573 574 ret = mt7986_wmac_adie_efuse_read(dev, adie, MT_ADIE_7975_XTAL_CAL, 575 &data); 576 if (ret) 577 return ret; 578 579 if (data & MT_ADIE_XO_TRIM_EN_MASK) 580 result = (data & MT_ADIE_TRIM_MASK); 581 582 ret = mt7986_read_efuse_xo_trim_7975(dev, adie, MT_ADIE_7975_XO_TRIM2, 583 &result); 584 if (ret) 585 return ret; 586 587 ret = mt7986_read_efuse_xo_trim_7975(dev, adie, MT_ADIE_7975_XO_TRIM3, 588 &result); 589 if (ret) 590 return ret; 591 592 ret = mt7986_read_efuse_xo_trim_7975(dev, adie, MT_ADIE_7975_XO_TRIM4, 593 &result); 594 if (ret) 595 return ret; 596 597 /* Update trim value to C1 and C2*/ 598 value = FIELD_GET(MT_ADIE_7975_XO_CTRL2_C1_MASK, result) | 599 FIELD_GET(MT_ADIE_7975_XO_CTRL2_C2_MASK, result); 600 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_7975_XO_CTRL2, 601 MT_ADIE_7975_XO_CTRL2_MASK, value); 602 if (ret) 603 return ret; 604 605 ret = mt76_wmac_spi_read(dev, adie, MT_ADIE_7975_XTAL, &value); 606 if (ret) 607 return ret; 608 609 if (value & MT_ADIE_7975_XTAL_EN_MASK) { 610 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_7975_XO_2, 611 MT_ADIE_7975_XO_2_FIX_EN, 0x0); 612 if (ret) 613 return ret; 614 } 615 616 return mt76_wmac_spi_rmw(dev, adie, MT_ADIE_7975_XO_CTRL6, 617 MT_ADIE_7975_XO_CTRL6_MASK, 0x1); 618 } 619 mt7986_wmac_adie_patch_7975(struct mt7915_dev * dev,u8 adie)620 static int mt7986_wmac_adie_patch_7975(struct mt7915_dev *dev, u8 adie) 621 { 622 int ret; 623 624 /* disable CAL LDO and fine tune RFDIG LDO */ 625 ret = mt76_wmac_spi_write(dev, adie, 0x348, 0x00000002); 626 if (ret) 627 return ret; 628 629 ret = mt76_wmac_spi_write(dev, adie, 0x378, 0x00000002); 630 if (ret) 631 return ret; 632 633 ret = mt76_wmac_spi_write(dev, adie, 0x3a8, 0x00000002); 634 if (ret) 635 return ret; 636 637 ret = mt76_wmac_spi_write(dev, adie, 0x3d8, 0x00000002); 638 if (ret) 639 return ret; 640 641 /* set CKA driving and filter */ 642 ret = mt76_wmac_spi_write(dev, adie, 0xa1c, 0x30000aaa); 643 if (ret) 644 return ret; 645 646 /* set CKB LDO to 1.4V */ 647 ret = mt76_wmac_spi_write(dev, adie, 0xa84, 0x8470008a); 648 if (ret) 649 return ret; 650 651 /* turn on SX0 LTBUF */ 652 if (is_mt7981(&dev->mt76)) { 653 ret = mt76_wmac_spi_write(dev, adie, 0x074, 0x00000007); 654 } else if (is_mt7986(&dev->mt76)) { 655 ret = mt76_wmac_spi_write(dev, adie, 0x074, 0x00000002); 656 } else { 657 WARN_ON(1); 658 return -EINVAL; 659 } 660 661 if (ret) 662 return ret; 663 664 /* CK_BUF_SW_EN = 1 (all buf in manual mode.) */ 665 ret = mt76_wmac_spi_write(dev, adie, 0xaa4, 0x01001fc0); 666 if (ret) 667 return ret; 668 669 /* BT mode/WF normal mode 00000005 */ 670 ret = mt76_wmac_spi_write(dev, adie, 0x070, 0x00000005); 671 if (ret) 672 return ret; 673 674 /* BG thermal sensor offset update */ 675 ret = mt76_wmac_spi_write(dev, adie, 0x344, 0x00000088); 676 if (ret) 677 return ret; 678 679 ret = mt76_wmac_spi_write(dev, adie, 0x374, 0x00000088); 680 if (ret) 681 return ret; 682 683 ret = mt76_wmac_spi_write(dev, adie, 0x3a4, 0x00000088); 684 if (ret) 685 return ret; 686 687 ret = mt76_wmac_spi_write(dev, adie, 0x3d4, 0x00000088); 688 if (ret) 689 return ret; 690 691 /* set WCON VDD IPTAT to "0000" */ 692 ret = mt76_wmac_spi_write(dev, adie, 0xa80, 0x44d07000); 693 if (ret) 694 return ret; 695 696 /* change back LTBUF SX3 drving to default value */ 697 ret = mt76_wmac_spi_write(dev, adie, 0xa88, 0x3900aaaa); 698 if (ret) 699 return ret; 700 701 /* SM input cap off */ 702 ret = mt76_wmac_spi_write(dev, adie, 0x2c4, 0x00000000); 703 if (ret) 704 return ret; 705 706 /* set CKB driving and filter */ 707 if (is_mt7986(&dev->mt76)) 708 return mt76_wmac_spi_write(dev, adie, 0x2c8, 0x00000072); 709 710 return ret; 711 } 712 mt7986_wmac_adie_cfg(struct mt7915_dev * dev,u8 adie,u32 adie_type)713 static int mt7986_wmac_adie_cfg(struct mt7915_dev *dev, u8 adie, u32 adie_type) 714 { 715 int ret; 716 717 mt76_wmac_spi_lock(dev); 718 ret = mt76_wmac_spi_write(dev, adie, MT_ADIE_CLK_EN, ~0); 719 if (ret) 720 goto out; 721 722 if (is_7975(dev, adie, adie_type)) { 723 ret = mt76_wmac_spi_rmw(dev, adie, MT_ADIE_7975_COCLK, 724 BIT(1), 0x1); 725 if (ret) 726 goto out; 727 728 ret = mt7986_wmac_adie_thermal_cal(dev, adie); 729 if (ret) 730 goto out; 731 732 ret = mt7986_wmac_adie_xtal_trim_7975(dev, adie); 733 if (ret) 734 goto out; 735 736 ret = mt7986_wmac_adie_patch_7975(dev, adie); 737 } else if (is_7976(dev, adie, adie_type)) { 738 if (mt798x_wmac_check_adie_type(dev) == ADIE_DBDC) { 739 ret = mt76_wmac_spi_write(dev, adie, 740 MT_ADIE_WRI_CK_SEL, 0x1c); 741 if (ret) 742 goto out; 743 } 744 745 ret = mt7986_wmac_adie_thermal_cal(dev, adie); 746 if (ret) 747 goto out; 748 749 ret = mt7986_wmac_adie_xtal_trim_7976(dev, adie); 750 if (ret) 751 goto out; 752 753 ret = mt798x_wmac_adie_patch_7976(dev, adie); 754 } 755 out: 756 mt76_wmac_spi_unlock(dev); 757 758 return ret; 759 } 760 761 static int mt7986_wmac_afe_cal(struct mt7915_dev * dev,u8 adie,bool dbdc,u32 adie_type)762 mt7986_wmac_afe_cal(struct mt7915_dev *dev, u8 adie, bool dbdc, u32 adie_type) 763 { 764 int ret; 765 u8 idx; 766 u32 txcal; 767 768 mt76_wmac_spi_lock(dev); 769 if (is_7975(dev, adie, adie_type)) 770 ret = mt76_wmac_spi_write(dev, adie, 771 MT_AFE_RG_ENCAL_WBTAC_IF_SW, 772 0x80000000); 773 else 774 ret = mt76_wmac_spi_write(dev, adie, 775 MT_AFE_RG_ENCAL_WBTAC_IF_SW, 776 0x88888005); 777 if (ret) 778 goto out; 779 780 idx = dbdc ? ADIE_DBDC : adie; 781 782 mt76_rmw_field(dev, MT_AFE_DIG_EN_01(idx), 783 MT_AFE_RG_WBG_EN_RCK_MASK, 0x1); 784 usleep_range(60, 100); 785 786 mt76_rmw(dev, MT_AFE_DIG_EN_01(idx), 787 MT_AFE_RG_WBG_EN_RCK_MASK, 0x0); 788 789 mt76_rmw_field(dev, MT_AFE_DIG_EN_03(idx), 790 MT_AFE_RG_WBG_EN_BPLL_UP_MASK, 0x1); 791 usleep_range(30, 100); 792 793 mt76_rmw_field(dev, MT_AFE_DIG_EN_03(idx), 794 MT_AFE_RG_WBG_EN_WPLL_UP_MASK, 0x1); 795 usleep_range(60, 100); 796 797 txcal = (MT_AFE_RG_WBG_EN_TXCAL_BT | 798 MT_AFE_RG_WBG_EN_TXCAL_WF0 | 799 MT_AFE_RG_WBG_EN_TXCAL_WF1 | 800 MT_AFE_RG_WBG_EN_TXCAL_WF2 | 801 MT_AFE_RG_WBG_EN_TXCAL_WF3); 802 if (is_mt7981(&dev->mt76)) 803 txcal |= MT_AFE_RG_WBG_EN_TXCAL_WF4; 804 805 mt76_set(dev, MT_AFE_DIG_EN_01(idx), txcal); 806 usleep_range(800, 1000); 807 808 mt76_clear(dev, MT_AFE_DIG_EN_01(idx), txcal); 809 mt76_rmw(dev, MT_AFE_DIG_EN_03(idx), 810 MT_AFE_RG_WBG_EN_PLL_UP_MASK, 0x0); 811 812 ret = mt76_wmac_spi_write(dev, adie, MT_AFE_RG_ENCAL_WBTAC_IF_SW, 813 0x5); 814 815 out: 816 mt76_wmac_spi_unlock(dev); 817 818 return ret; 819 } 820 mt7986_wmac_subsys_pll_initial(struct mt7915_dev * dev,u8 band)821 static void mt7986_wmac_subsys_pll_initial(struct mt7915_dev *dev, u8 band) 822 { 823 mt76_rmw(dev, MT_AFE_PLL_STB_TIME(band), 824 MT_AFE_PLL_STB_TIME_MASK, MT_AFE_PLL_STB_TIME_VAL); 825 826 mt76_rmw(dev, MT_AFE_DIG_EN_02(band), 827 MT_AFE_PLL_CFG_MASK, MT_AFE_PLL_CFG_VAL); 828 829 mt76_rmw(dev, MT_AFE_DIG_TOP_01(band), 830 MT_AFE_DIG_TOP_01_MASK, MT_AFE_DIG_TOP_01_VAL); 831 } 832 mt7986_wmac_subsys_setting(struct mt7915_dev * dev)833 static void mt7986_wmac_subsys_setting(struct mt7915_dev *dev) 834 { 835 /* Subsys pll init */ 836 mt7986_wmac_subsys_pll_initial(dev, 0); 837 mt7986_wmac_subsys_pll_initial(dev, 1); 838 839 /* Set legacy OSC control stable time*/ 840 mt76_rmw(dev, MT_CONN_INFRA_OSC_RC_EN, 841 MT_CONN_INFRA_OSC_RC_EN_MASK, 0x0); 842 mt76_rmw(dev, MT_CONN_INFRA_OSC_CTRL, 843 MT_CONN_INFRA_OSC_STB_TIME_MASK, 0x80706); 844 845 /* prevent subsys from power on/of in a short time interval */ 846 mt76_rmw(dev, MT_TOP_WFSYS_PWR, 847 MT_TOP_PWR_ACK_MASK | MT_TOP_PWR_KEY_MASK, 848 MT_TOP_PWR_KEY); 849 } 850 mt7986_wmac_bus_timeout(struct mt7915_dev * dev)851 static int mt7986_wmac_bus_timeout(struct mt7915_dev *dev) 852 { 853 mt76_rmw_field(dev, MT_INFRA_BUS_OFF_TIMEOUT, 854 MT_INFRA_BUS_TIMEOUT_LIMIT_MASK, 0x2); 855 856 mt76_rmw_field(dev, MT_INFRA_BUS_OFF_TIMEOUT, 857 MT_INFRA_BUS_TIMEOUT_EN_MASK, 0xf); 858 859 mt76_rmw_field(dev, MT_INFRA_BUS_ON_TIMEOUT, 860 MT_INFRA_BUS_TIMEOUT_LIMIT_MASK, 0xc); 861 862 mt76_rmw_field(dev, MT_INFRA_BUS_ON_TIMEOUT, 863 MT_INFRA_BUS_TIMEOUT_EN_MASK, 0xf); 864 865 return mt798x_wmac_coninfra_check(dev); 866 } 867 mt7986_wmac_clock_enable(struct mt7915_dev * dev,u32 adie_type)868 static void mt7986_wmac_clock_enable(struct mt7915_dev *dev, u32 adie_type) 869 { 870 u32 cur; 871 872 mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS_WPLL_DIV_1, 873 MT_INFRA_CKGEN_DIV_SEL_MASK, 0x1); 874 875 mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS_WPLL_DIV_2, 876 MT_INFRA_CKGEN_DIV_SEL_MASK, 0x1); 877 878 mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS_WPLL_DIV_1, 879 MT_INFRA_CKGEN_DIV_EN_MASK, 0x1); 880 881 mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS_WPLL_DIV_2, 882 MT_INFRA_CKGEN_DIV_EN_MASK, 0x1); 883 884 mt76_rmw_field(dev, MT_INFRA_CKGEN_RFSPI_WPLL_DIV, 885 MT_INFRA_CKGEN_DIV_SEL_MASK, 0x8); 886 887 mt76_rmw_field(dev, MT_INFRA_CKGEN_RFSPI_WPLL_DIV, 888 MT_INFRA_CKGEN_DIV_EN_MASK, 0x1); 889 890 mt76_rmw_field(dev, MT_INFRA_CKGEN_BUS, 891 MT_INFRA_CKGEN_BUS_CLK_SEL_MASK, 0x0); 892 893 mt76_rmw_field(dev, MT_CONN_INFRA_HW_CTRL, 894 MT_CONN_INFRA_HW_CTRL_MASK, 0x1); 895 896 mt76_rmw(dev, MT_TOP_CONN_INFRA_WAKEUP, 897 MT_TOP_CONN_INFRA_WAKEUP_MASK, 0x1); 898 899 usleep_range(900, 1000); 900 901 mt76_wmac_spi_lock(dev); 902 if (is_7975(dev, 0, adie_type) || is_7976(dev, 0, adie_type)) { 903 mt76_rmw_field(dev, MT_ADIE_SLP_CTRL_CK0(0), 904 MT_SLP_CTRL_EN_MASK, 0x1); 905 906 read_poll_timeout(mt76_rr, cur, !(cur & MT_SLP_CTRL_BSY_MASK), 907 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 908 dev, MT_ADIE_SLP_CTRL_CK0(0)); 909 } 910 if (is_7975(dev, 1, adie_type) || is_7976(dev, 1, adie_type)) { 911 mt76_rmw_field(dev, MT_ADIE_SLP_CTRL_CK0(1), 912 MT_SLP_CTRL_EN_MASK, 0x1); 913 914 read_poll_timeout(mt76_rr, cur, !(cur & MT_SLP_CTRL_BSY_MASK), 915 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 916 dev, MT_ADIE_SLP_CTRL_CK0(0)); 917 } 918 mt76_wmac_spi_unlock(dev); 919 920 mt76_rmw(dev, MT_TOP_CONN_INFRA_WAKEUP, 921 MT_TOP_CONN_INFRA_WAKEUP_MASK, 0x0); 922 usleep_range(900, 1000); 923 } 924 mt7986_wmac_top_wfsys_wakeup(struct mt7915_dev * dev,bool enable)925 static int mt7986_wmac_top_wfsys_wakeup(struct mt7915_dev *dev, bool enable) 926 { 927 mt76_rmw_field(dev, MT_TOP_WFSYS_WAKEUP, 928 MT_TOP_WFSYS_WAKEUP_MASK, enable); 929 930 usleep_range(900, 1000); 931 932 if (!enable) 933 return 0; 934 935 return mt798x_wmac_coninfra_check(dev); 936 } 937 mt7986_wmac_wm_enable(struct mt7915_dev * dev,bool enable)938 static int mt7986_wmac_wm_enable(struct mt7915_dev *dev, bool enable) 939 { 940 u32 cur; 941 942 if (is_mt7986(&dev->mt76)) 943 mt76_wr(dev, MT_CONNINFRA_SKU_DEC_ADDR, 0); 944 945 mt76_rmw_field(dev, MT7986_TOP_WM_RESET, 946 MT7986_TOP_WM_RESET_MASK, enable); 947 if (!enable) 948 return 0; 949 950 return read_poll_timeout(mt76_rr, cur, (cur == 0x1d1e), 951 USEC_PER_MSEC, 5000 * USEC_PER_MSEC, false, 952 dev, MT_TOP_CFG_ON_ROM_IDX); 953 } 954 mt7986_wmac_wfsys_poweron(struct mt7915_dev * dev,bool enable)955 static int mt7986_wmac_wfsys_poweron(struct mt7915_dev *dev, bool enable) 956 { 957 u32 mask = MT_TOP_PWR_EN_MASK | MT_TOP_PWR_KEY_MASK; 958 u32 cur; 959 960 mt76_rmw(dev, MT_TOP_WFSYS_PWR, mask, 961 MT_TOP_PWR_KEY | FIELD_PREP(MT_TOP_PWR_EN_MASK, enable)); 962 963 return read_poll_timeout(mt76_rr, cur, 964 (FIELD_GET(MT_TOP_WFSYS_RESET_STATUS_MASK, cur) == enable), 965 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 966 dev, MT_TOP_WFSYS_RESET_STATUS); 967 } 968 mt7986_wmac_wfsys_setting(struct mt7915_dev * dev)969 static int mt7986_wmac_wfsys_setting(struct mt7915_dev *dev) 970 { 971 int ret; 972 u32 cur; 973 974 /* Turn off wfsys2conn bus sleep protect */ 975 mt76_rmw(dev, MT_CONN_INFRA_WF_SLP_PROT, 976 MT_CONN_INFRA_WF_SLP_PROT_MASK, 0x0); 977 978 ret = mt7986_wmac_wfsys_poweron(dev, true); 979 if (ret) 980 return ret; 981 982 /* Check bus sleep protect */ 983 984 ret = read_poll_timeout(mt76_rr, cur, 985 !(cur & MT_CONN_INFRA_CONN_WF_MASK), 986 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 987 dev, MT_CONN_INFRA_WF_SLP_PROT_RDY); 988 if (ret) 989 return ret; 990 991 ret = read_poll_timeout(mt76_rr, cur, !(cur & MT_SLP_WFDMA2CONN_MASK), 992 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 993 dev, MT_SLP_STATUS); 994 if (ret) 995 return ret; 996 997 return read_poll_timeout(mt76_rr, cur, (cur == 0x02060000), 998 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 999 dev, MT_TOP_CFG_IP_VERSION_ADDR); 1000 } 1001 mt7986_wmac_wfsys_set_timeout(struct mt7915_dev * dev)1002 static void mt7986_wmac_wfsys_set_timeout(struct mt7915_dev *dev) 1003 { 1004 u32 mask = MT_MCU_BUS_TIMEOUT_SET_MASK | 1005 MT_MCU_BUS_TIMEOUT_CG_EN_MASK | 1006 MT_MCU_BUS_TIMEOUT_EN_MASK; 1007 u32 val = FIELD_PREP(MT_MCU_BUS_TIMEOUT_SET_MASK, 1) | 1008 FIELD_PREP(MT_MCU_BUS_TIMEOUT_CG_EN_MASK, 1) | 1009 FIELD_PREP(MT_MCU_BUS_TIMEOUT_EN_MASK, 1); 1010 1011 mt76_rmw(dev, MT_MCU_BUS_TIMEOUT, mask, val); 1012 1013 mt76_wr(dev, MT_MCU_BUS_REMAP, 0x810f0000); 1014 1015 mask = MT_MCU_BUS_DBG_TIMEOUT_SET_MASK | 1016 MT_MCU_BUS_DBG_TIMEOUT_CK_EN_MASK | 1017 MT_MCU_BUS_DBG_TIMEOUT_EN_MASK; 1018 val = FIELD_PREP(MT_MCU_BUS_DBG_TIMEOUT_SET_MASK, 0x3aa) | 1019 FIELD_PREP(MT_MCU_BUS_DBG_TIMEOUT_CK_EN_MASK, 1) | 1020 FIELD_PREP(MT_MCU_BUS_DBG_TIMEOUT_EN_MASK, 1); 1021 1022 mt76_rmw(dev, MT_MCU_BUS_DBG_TIMEOUT, mask, val); 1023 } 1024 mt7986_wmac_sku_update(struct mt7915_dev * dev,u32 adie_type)1025 static int mt7986_wmac_sku_update(struct mt7915_dev *dev, u32 adie_type) 1026 { 1027 u32 val; 1028 1029 if (is_7976(dev, 0, adie_type) && is_7976(dev, 1, adie_type)) 1030 val = 0xf; 1031 else if (is_7975(dev, 0, adie_type) && is_7975(dev, 1, adie_type)) 1032 val = 0xd; 1033 else if (is_7976(dev, 0, adie_type)) 1034 val = 0x7; 1035 else if (is_7975(dev, 1, adie_type)) 1036 val = 0x8; 1037 else if (is_7976(dev, 1, adie_type)) 1038 val = 0xa; 1039 else 1040 return -EINVAL; 1041 1042 mt76_wmac_rmw(dev->sku, MT_TOP_POS_SKU, MT_TOP_POS_SKU_MASK, 1043 FIELD_PREP(MT_TOP_POS_SKU_MASK, val)); 1044 1045 mt76_wr(dev, MT_CONNINFRA_SKU_DEC_ADDR, val); 1046 1047 return 0; 1048 } 1049 1050 static int mt7986_wmac_adie_setup(struct mt7915_dev * dev,u8 adie,u32 adie_type)1051 mt7986_wmac_adie_setup(struct mt7915_dev *dev, u8 adie, u32 adie_type) 1052 { 1053 int ret; 1054 1055 if (!(is_7975(dev, adie, adie_type) || is_7976(dev, adie, adie_type))) 1056 return 0; 1057 1058 ret = mt7986_wmac_adie_cfg(dev, adie, adie_type); 1059 if (ret) 1060 return ret; 1061 1062 ret = mt7986_wmac_afe_cal(dev, adie, false, adie_type); 1063 if (ret) 1064 return ret; 1065 1066 if (!adie && (mt798x_wmac_check_adie_type(dev) == ADIE_DBDC)) 1067 ret = mt7986_wmac_afe_cal(dev, adie, true, adie_type); 1068 1069 return ret; 1070 } 1071 mt7986_wmac_subsys_powerup(struct mt7915_dev * dev,u32 adie_type)1072 static int mt7986_wmac_subsys_powerup(struct mt7915_dev *dev, u32 adie_type) 1073 { 1074 int ret; 1075 1076 mt7986_wmac_subsys_setting(dev); 1077 1078 ret = mt7986_wmac_bus_timeout(dev); 1079 if (ret) 1080 return ret; 1081 1082 mt7986_wmac_clock_enable(dev, adie_type); 1083 1084 return 0; 1085 } 1086 mt7986_wmac_wfsys_powerup(struct mt7915_dev * dev)1087 static int mt7986_wmac_wfsys_powerup(struct mt7915_dev *dev) 1088 { 1089 int ret; 1090 1091 ret = mt7986_wmac_wm_enable(dev, false); 1092 if (ret) 1093 return ret; 1094 1095 ret = mt7986_wmac_wfsys_setting(dev); 1096 if (ret) 1097 return ret; 1098 1099 mt7986_wmac_wfsys_set_timeout(dev); 1100 1101 return mt7986_wmac_wm_enable(dev, true); 1102 } 1103 mt7986_wmac_enable(struct mt7915_dev * dev)1104 int mt7986_wmac_enable(struct mt7915_dev *dev) 1105 { 1106 int ret; 1107 u32 adie_type; 1108 1109 ret = mt7986_wmac_consys_reset(dev, true); 1110 if (ret) 1111 return ret; 1112 1113 ret = mt7986_wmac_gpio_setup(dev); 1114 if (ret) 1115 return ret; 1116 1117 ret = mt7986_wmac_consys_lockup(dev, false); 1118 if (ret) 1119 return ret; 1120 1121 ret = mt798x_wmac_coninfra_check(dev); 1122 if (ret) 1123 return ret; 1124 1125 ret = mt798x_wmac_coninfra_setup(dev); 1126 if (ret) 1127 return ret; 1128 1129 ret = mt798x_wmac_sku_setup(dev, &adie_type); 1130 if (ret) 1131 return ret; 1132 1133 ret = mt7986_wmac_adie_setup(dev, 0, adie_type); 1134 if (ret) 1135 return ret; 1136 1137 /* mt7981 doesn't support a second a-die */ 1138 if (is_mt7986(&dev->mt76)) { 1139 ret = mt7986_wmac_adie_setup(dev, 1, adie_type); 1140 if (ret) 1141 return ret; 1142 } 1143 1144 ret = mt7986_wmac_subsys_powerup(dev, adie_type); 1145 if (ret) 1146 return ret; 1147 1148 ret = mt7986_wmac_top_wfsys_wakeup(dev, true); 1149 if (ret) 1150 return ret; 1151 1152 ret = mt7986_wmac_wfsys_powerup(dev); 1153 if (ret) 1154 return ret; 1155 1156 return mt7986_wmac_sku_update(dev, adie_type); 1157 } 1158 mt7986_wmac_disable(struct mt7915_dev * dev)1159 void mt7986_wmac_disable(struct mt7915_dev *dev) 1160 { 1161 u32 cur; 1162 1163 mt7986_wmac_top_wfsys_wakeup(dev, true); 1164 1165 /* Turn on wfsys2conn bus sleep protect */ 1166 mt76_rmw_field(dev, MT_CONN_INFRA_WF_SLP_PROT, 1167 MT_CONN_INFRA_WF_SLP_PROT_MASK, 0x1); 1168 1169 /* Check wfsys2conn bus sleep protect */ 1170 read_poll_timeout(mt76_rr, cur, !(cur ^ MT_CONN_INFRA_CONN), 1171 USEC_PER_MSEC, 50 * USEC_PER_MSEC, false, 1172 dev, MT_CONN_INFRA_WF_SLP_PROT_RDY); 1173 1174 mt7986_wmac_wfsys_poweron(dev, false); 1175 1176 /* Turn back wpll setting */ 1177 mt76_rmw_field(dev, MT_AFE_DIG_EN_02(0), MT_AFE_MCU_BPLL_CFG_MASK, 0x2); 1178 mt76_rmw_field(dev, MT_AFE_DIG_EN_02(0), MT_AFE_WPLL_CFG_MASK, 0x2); 1179 1180 /* Reset EMI */ 1181 mt76_rmw_field(dev, MT_CONN_INFRA_EMI_REQ, 1182 MT_CONN_INFRA_EMI_REQ_MASK, 0x1); 1183 mt76_rmw_field(dev, MT_CONN_INFRA_EMI_REQ, 1184 MT_CONN_INFRA_EMI_REQ_MASK, 0x0); 1185 mt76_rmw_field(dev, MT_CONN_INFRA_EMI_REQ, 1186 MT_CONN_INFRA_INFRA_REQ_MASK, 0x1); 1187 mt76_rmw_field(dev, MT_CONN_INFRA_EMI_REQ, 1188 MT_CONN_INFRA_INFRA_REQ_MASK, 0x0); 1189 1190 mt7986_wmac_top_wfsys_wakeup(dev, false); 1191 mt7986_wmac_consys_lockup(dev, true); 1192 mt7986_wmac_consys_reset(dev, false); 1193 } 1194 mt798x_wmac_init(struct mt7915_dev * dev)1195 static int mt798x_wmac_init(struct mt7915_dev *dev) 1196 { 1197 struct device *pdev = dev->mt76.dev; 1198 struct platform_device *pfdev = to_platform_device(pdev); 1199 struct clk *mcu_clk, *ap_conn_clk; 1200 1201 mcu_clk = devm_clk_get(pdev, "mcu"); 1202 if (IS_ERR(mcu_clk)) 1203 dev_err(pdev, "mcu clock not found\n"); 1204 else if (clk_prepare_enable(mcu_clk)) 1205 dev_err(pdev, "mcu clock configuration failed\n"); 1206 1207 ap_conn_clk = devm_clk_get(pdev, "ap2conn"); 1208 if (IS_ERR(ap_conn_clk)) 1209 dev_err(pdev, "ap2conn clock not found\n"); 1210 else if (clk_prepare_enable(ap_conn_clk)) 1211 dev_err(pdev, "ap2conn clock configuration failed\n"); 1212 1213 dev->dcm = devm_platform_ioremap_resource(pfdev, 1); 1214 if (IS_ERR(dev->dcm)) 1215 return PTR_ERR(dev->dcm); 1216 1217 dev->sku = devm_platform_ioremap_resource(pfdev, 2); 1218 if (IS_ERR(dev->sku)) 1219 return PTR_ERR(dev->sku); 1220 1221 dev->rstc = devm_reset_control_get(pdev, "consys"); 1222 if (IS_ERR(dev->rstc)) 1223 return PTR_ERR(dev->rstc); 1224 1225 return 0; 1226 } 1227 mt798x_wmac_probe(struct platform_device * pdev)1228 static int mt798x_wmac_probe(struct platform_device *pdev) 1229 { 1230 void __iomem *mem_base; 1231 struct mt7915_dev *dev; 1232 struct mt76_dev *mdev; 1233 int irq, ret; 1234 u32 chip_id; 1235 1236 chip_id = (uintptr_t)of_device_get_match_data(&pdev->dev); 1237 1238 mem_base = devm_platform_ioremap_resource(pdev, 0); 1239 if (IS_ERR(mem_base)) { 1240 dev_err(&pdev->dev, "Failed to get memory resource\n"); 1241 return PTR_ERR(mem_base); 1242 } 1243 1244 dev = mt7915_mmio_probe(&pdev->dev, mem_base, chip_id); 1245 if (IS_ERR(dev)) 1246 return PTR_ERR(dev); 1247 1248 mdev = &dev->mt76; 1249 ret = mt7915_mmio_wed_init(dev, pdev, false, &irq); 1250 if (ret < 0) 1251 goto free_device; 1252 1253 if (!ret) { 1254 irq = platform_get_irq(pdev, 0); 1255 if (irq < 0) { 1256 ret = irq; 1257 goto free_device; 1258 } 1259 } 1260 1261 ret = devm_request_irq(mdev->dev, irq, mt7915_irq_handler, 1262 IRQF_SHARED, KBUILD_MODNAME, dev); 1263 if (ret) 1264 goto free_device; 1265 1266 ret = mt798x_wmac_init(dev); 1267 if (ret) 1268 goto free_irq; 1269 1270 mt7915_wfsys_reset(dev); 1271 1272 ret = mt7915_register_device(dev); 1273 if (ret) 1274 goto free_irq; 1275 1276 return 0; 1277 1278 free_irq: 1279 devm_free_irq(mdev->dev, irq, dev); 1280 free_device: 1281 if (mtk_wed_device_active(&mdev->mmio.wed)) 1282 mtk_wed_device_detach(&mdev->mmio.wed); 1283 mt76_free_device(mdev); 1284 1285 return ret; 1286 } 1287 mt798x_wmac_remove(struct platform_device * pdev)1288 static int mt798x_wmac_remove(struct platform_device *pdev) 1289 { 1290 struct mt7915_dev *dev = platform_get_drvdata(pdev); 1291 1292 mt7915_unregister_device(dev); 1293 1294 return 0; 1295 } 1296 1297 static const struct of_device_id mt798x_wmac_of_match[] = { 1298 { .compatible = "mediatek,mt7981-wmac", .data = (u32 *)0x7981 }, 1299 { .compatible = "mediatek,mt7986-wmac", .data = (u32 *)0x7986 }, 1300 {}, 1301 }; 1302 1303 MODULE_DEVICE_TABLE(of, mt798x_wmac_of_match); 1304 1305 struct platform_driver mt798x_wmac_driver = { 1306 .driver = { 1307 .name = "mt798x-wmac", 1308 .of_match_table = mt798x_wmac_of_match, 1309 }, 1310 .probe = mt798x_wmac_probe, 1311 .remove = mt798x_wmac_remove, 1312 }; 1313 1314 MODULE_FIRMWARE(MT7986_FIRMWARE_WA); 1315 MODULE_FIRMWARE(MT7986_FIRMWARE_WM); 1316 MODULE_FIRMWARE(MT7986_FIRMWARE_WM_MT7975); 1317 MODULE_FIRMWARE(MT7986_ROM_PATCH); 1318 MODULE_FIRMWARE(MT7986_ROM_PATCH_MT7975); 1319 1320 MODULE_FIRMWARE(MT7981_FIRMWARE_WA); 1321 MODULE_FIRMWARE(MT7981_FIRMWARE_WM); 1322 MODULE_FIRMWARE(MT7981_ROM_PATCH); 1323