1 /* 2 * SPDX-License-Identifier: GPL-2.0 3 * Copyright (c) 2018, The Linux Foundation 4 */ 5 6 #include <linux/bitfield.h> 7 #include <linux/clk.h> 8 #include <linux/delay.h> 9 #include <linux/interconnect.h> 10 #include <linux/irq.h> 11 #include <linux/irqchip.h> 12 #include <linux/irqdesc.h> 13 #include <linux/irqchip/chained_irq.h> 14 #include <linux/of_platform.h> 15 #include <linux/platform_device.h> 16 #include <linux/pm_runtime.h> 17 #include <linux/reset.h> 18 19 #include "msm_mdss.h" 20 #include "msm_kms.h" 21 22 #define HW_REV 0x0 23 #define HW_INTR_STATUS 0x0010 24 25 #define UBWC_DEC_HW_VERSION 0x58 26 #define UBWC_STATIC 0x144 27 #define UBWC_CTRL_2 0x150 28 #define UBWC_PREDICTION_MODE 0x154 29 30 #define MIN_IB_BW 400000000UL /* Min ib vote 400MB */ 31 32 #define DEFAULT_REG_BW 153600 /* Used in mdss fbdev driver */ 33 34 struct msm_mdss { 35 struct device *dev; 36 37 void __iomem *mmio; 38 struct clk_bulk_data *clocks; 39 size_t num_clocks; 40 bool is_mdp5; 41 struct { 42 unsigned long enabled_mask; 43 struct irq_domain *domain; 44 } irq_controller; 45 const struct msm_mdss_data *mdss_data; 46 struct icc_path *mdp_path[2]; 47 u32 num_mdp_paths; 48 struct icc_path *reg_bus_path; 49 }; 50 51 static int msm_mdss_parse_data_bus_icc_path(struct device *dev, 52 struct msm_mdss *msm_mdss) 53 { 54 struct icc_path *path0; 55 struct icc_path *path1; 56 struct icc_path *reg_bus_path; 57 58 path0 = devm_of_icc_get(dev, "mdp0-mem"); 59 if (IS_ERR_OR_NULL(path0)) 60 return PTR_ERR_OR_ZERO(path0); 61 62 msm_mdss->mdp_path[0] = path0; 63 msm_mdss->num_mdp_paths = 1; 64 65 path1 = devm_of_icc_get(dev, "mdp1-mem"); 66 if (!IS_ERR_OR_NULL(path1)) { 67 msm_mdss->mdp_path[1] = path1; 68 msm_mdss->num_mdp_paths++; 69 } 70 71 reg_bus_path = of_icc_get(dev, "cpu-cfg"); 72 if (!IS_ERR_OR_NULL(reg_bus_path)) 73 msm_mdss->reg_bus_path = reg_bus_path; 74 75 return 0; 76 } 77 78 static void msm_mdss_irq(struct irq_desc *desc) 79 { 80 struct msm_mdss *msm_mdss = irq_desc_get_handler_data(desc); 81 struct irq_chip *chip = irq_desc_get_chip(desc); 82 u32 interrupts; 83 84 chained_irq_enter(chip, desc); 85 86 interrupts = readl_relaxed(msm_mdss->mmio + HW_INTR_STATUS); 87 88 while (interrupts) { 89 irq_hw_number_t hwirq = fls(interrupts) - 1; 90 int rc; 91 92 rc = generic_handle_domain_irq(msm_mdss->irq_controller.domain, 93 hwirq); 94 if (rc < 0) { 95 dev_err(msm_mdss->dev, "handle irq fail: irq=%lu rc=%d\n", 96 hwirq, rc); 97 break; 98 } 99 100 interrupts &= ~(1 << hwirq); 101 } 102 103 chained_irq_exit(chip, desc); 104 } 105 106 static void msm_mdss_irq_mask(struct irq_data *irqd) 107 { 108 struct msm_mdss *msm_mdss = irq_data_get_irq_chip_data(irqd); 109 110 /* memory barrier */ 111 smp_mb__before_atomic(); 112 clear_bit(irqd->hwirq, &msm_mdss->irq_controller.enabled_mask); 113 /* memory barrier */ 114 smp_mb__after_atomic(); 115 } 116 117 static void msm_mdss_irq_unmask(struct irq_data *irqd) 118 { 119 struct msm_mdss *msm_mdss = irq_data_get_irq_chip_data(irqd); 120 121 /* memory barrier */ 122 smp_mb__before_atomic(); 123 set_bit(irqd->hwirq, &msm_mdss->irq_controller.enabled_mask); 124 /* memory barrier */ 125 smp_mb__after_atomic(); 126 } 127 128 static struct irq_chip msm_mdss_irq_chip = { 129 .name = "msm_mdss", 130 .irq_mask = msm_mdss_irq_mask, 131 .irq_unmask = msm_mdss_irq_unmask, 132 }; 133 134 static struct lock_class_key msm_mdss_lock_key, msm_mdss_request_key; 135 136 static int msm_mdss_irqdomain_map(struct irq_domain *domain, 137 unsigned int irq, irq_hw_number_t hwirq) 138 { 139 struct msm_mdss *msm_mdss = domain->host_data; 140 141 irq_set_lockdep_class(irq, &msm_mdss_lock_key, &msm_mdss_request_key); 142 irq_set_chip_and_handler(irq, &msm_mdss_irq_chip, handle_level_irq); 143 144 return irq_set_chip_data(irq, msm_mdss); 145 } 146 147 static const struct irq_domain_ops msm_mdss_irqdomain_ops = { 148 .map = msm_mdss_irqdomain_map, 149 .xlate = irq_domain_xlate_onecell, 150 }; 151 152 static int _msm_mdss_irq_domain_add(struct msm_mdss *msm_mdss) 153 { 154 struct device *dev; 155 struct irq_domain *domain; 156 157 dev = msm_mdss->dev; 158 159 domain = irq_domain_add_linear(dev->of_node, 32, 160 &msm_mdss_irqdomain_ops, msm_mdss); 161 if (!domain) { 162 dev_err(dev, "failed to add irq_domain\n"); 163 return -EINVAL; 164 } 165 166 msm_mdss->irq_controller.enabled_mask = 0; 167 msm_mdss->irq_controller.domain = domain; 168 169 return 0; 170 } 171 172 static void msm_mdss_setup_ubwc_dec_20(struct msm_mdss *msm_mdss) 173 { 174 const struct msm_mdss_data *data = msm_mdss->mdss_data; 175 176 writel_relaxed(data->ubwc_static, msm_mdss->mmio + UBWC_STATIC); 177 } 178 179 static void msm_mdss_setup_ubwc_dec_30(struct msm_mdss *msm_mdss) 180 { 181 const struct msm_mdss_data *data = msm_mdss->mdss_data; 182 u32 value = (data->ubwc_swizzle & 0x1) | 183 (data->highest_bank_bit & 0x3) << 4 | 184 (data->macrotile_mode & 0x1) << 12; 185 186 if (data->ubwc_enc_version == UBWC_3_0) 187 value |= BIT(10); 188 189 if (data->ubwc_enc_version == UBWC_1_0) 190 value |= BIT(8); 191 192 writel_relaxed(value, msm_mdss->mmio + UBWC_STATIC); 193 } 194 195 static void msm_mdss_setup_ubwc_dec_40(struct msm_mdss *msm_mdss) 196 { 197 const struct msm_mdss_data *data = msm_mdss->mdss_data; 198 u32 value = (data->ubwc_swizzle & 0x7) | 199 (data->ubwc_static & 0x1) << 3 | 200 (data->highest_bank_bit & 0x7) << 4 | 201 (data->macrotile_mode & 0x1) << 12; 202 203 writel_relaxed(value, msm_mdss->mmio + UBWC_STATIC); 204 205 if (data->ubwc_enc_version == UBWC_3_0) { 206 writel_relaxed(1, msm_mdss->mmio + UBWC_CTRL_2); 207 writel_relaxed(0, msm_mdss->mmio + UBWC_PREDICTION_MODE); 208 } else { 209 if (data->ubwc_dec_version == UBWC_4_3) 210 writel_relaxed(3, msm_mdss->mmio + UBWC_CTRL_2); 211 else 212 writel_relaxed(2, msm_mdss->mmio + UBWC_CTRL_2); 213 writel_relaxed(1, msm_mdss->mmio + UBWC_PREDICTION_MODE); 214 } 215 } 216 217 #define MDSS_HW_MAJ_MIN GENMASK(31, 16) 218 219 #define MDSS_HW_MSM8996 0x1007 220 #define MDSS_HW_MSM8937 0x100e 221 #define MDSS_HW_MSM8953 0x1010 222 #define MDSS_HW_MSM8998 0x3000 223 #define MDSS_HW_SDM660 0x3002 224 #define MDSS_HW_SDM630 0x3003 225 226 /* 227 * MDP5 platforms use generic qcom,mdp5 compat string, so we have to generate this data 228 */ 229 static const struct msm_mdss_data *msm_mdss_generate_mdp5_mdss_data(struct msm_mdss *mdss) 230 { 231 struct msm_mdss_data *data; 232 u32 hw_rev; 233 234 data = devm_kzalloc(mdss->dev, sizeof(*data), GFP_KERNEL); 235 if (!data) 236 return NULL; 237 238 hw_rev = readl_relaxed(mdss->mmio + HW_REV); 239 hw_rev = FIELD_GET(MDSS_HW_MAJ_MIN, hw_rev); 240 241 if (hw_rev == MDSS_HW_MSM8996 || 242 hw_rev == MDSS_HW_MSM8937 || 243 hw_rev == MDSS_HW_MSM8953 || 244 hw_rev == MDSS_HW_MSM8998 || 245 hw_rev == MDSS_HW_SDM660 || 246 hw_rev == MDSS_HW_SDM630) { 247 data->ubwc_dec_version = UBWC_1_0; 248 data->ubwc_enc_version = UBWC_1_0; 249 } 250 251 if (hw_rev == MDSS_HW_MSM8996 || 252 hw_rev == MDSS_HW_MSM8998) 253 data->highest_bank_bit = 2; 254 else 255 data->highest_bank_bit = 1; 256 257 return data; 258 } 259 260 const struct msm_mdss_data *msm_mdss_get_mdss_data(struct device *dev) 261 { 262 struct msm_mdss *mdss; 263 264 if (!dev) 265 return ERR_PTR(-EINVAL); 266 267 mdss = dev_get_drvdata(dev); 268 269 /* 270 * We could not do it at the probe time, since hw revision register was 271 * not readable. Fill data structure now for the MDP5 platforms. 272 */ 273 if (!mdss->mdss_data && mdss->is_mdp5) 274 mdss->mdss_data = msm_mdss_generate_mdp5_mdss_data(mdss); 275 276 return mdss->mdss_data; 277 } 278 279 static int msm_mdss_enable(struct msm_mdss *msm_mdss) 280 { 281 int ret, i; 282 283 /* 284 * Several components have AXI clocks that can only be turned on if 285 * the interconnect is enabled (non-zero bandwidth). Let's make sure 286 * that the interconnects are at least at a minimum amount. 287 */ 288 for (i = 0; i < msm_mdss->num_mdp_paths; i++) 289 icc_set_bw(msm_mdss->mdp_path[i], 0, Bps_to_icc(MIN_IB_BW)); 290 291 if (msm_mdss->mdss_data && msm_mdss->mdss_data->reg_bus_bw) 292 icc_set_bw(msm_mdss->reg_bus_path, 0, 293 msm_mdss->mdss_data->reg_bus_bw); 294 else 295 icc_set_bw(msm_mdss->reg_bus_path, 0, 296 DEFAULT_REG_BW); 297 298 ret = clk_bulk_prepare_enable(msm_mdss->num_clocks, msm_mdss->clocks); 299 if (ret) { 300 dev_err(msm_mdss->dev, "clock enable failed, ret:%d\n", ret); 301 return ret; 302 } 303 304 /* 305 * Register access requires MDSS_MDP_CLK, which is not enabled by the 306 * mdss on mdp5 hardware. Skip it for now. 307 */ 308 if (msm_mdss->is_mdp5 || !msm_mdss->mdss_data) 309 return 0; 310 311 /* 312 * ubwc config is part of the "mdss" region which is not accessible 313 * from the rest of the driver. hardcode known configurations here 314 * 315 * Decoder version can be read from the UBWC_DEC_HW_VERSION reg, 316 * UBWC_n and the rest of params comes from hw data. 317 */ 318 switch (msm_mdss->mdss_data->ubwc_dec_version) { 319 case 0: /* no UBWC */ 320 case UBWC_1_0: 321 /* do nothing */ 322 break; 323 case UBWC_2_0: 324 msm_mdss_setup_ubwc_dec_20(msm_mdss); 325 break; 326 case UBWC_3_0: 327 msm_mdss_setup_ubwc_dec_30(msm_mdss); 328 break; 329 case UBWC_4_0: 330 case UBWC_4_3: 331 msm_mdss_setup_ubwc_dec_40(msm_mdss); 332 break; 333 default: 334 dev_err(msm_mdss->dev, "Unsupported UBWC decoder version %x\n", 335 msm_mdss->mdss_data->ubwc_dec_version); 336 dev_err(msm_mdss->dev, "HW_REV: 0x%x\n", 337 readl_relaxed(msm_mdss->mmio + HW_REV)); 338 dev_err(msm_mdss->dev, "UBWC_DEC_HW_VERSION: 0x%x\n", 339 readl_relaxed(msm_mdss->mmio + UBWC_DEC_HW_VERSION)); 340 break; 341 } 342 343 return ret; 344 } 345 346 static int msm_mdss_disable(struct msm_mdss *msm_mdss) 347 { 348 int i; 349 350 clk_bulk_disable_unprepare(msm_mdss->num_clocks, msm_mdss->clocks); 351 352 for (i = 0; i < msm_mdss->num_mdp_paths; i++) 353 icc_set_bw(msm_mdss->mdp_path[i], 0, 0); 354 355 if (msm_mdss->reg_bus_path) 356 icc_set_bw(msm_mdss->reg_bus_path, 0, 0); 357 358 return 0; 359 } 360 361 static void msm_mdss_destroy(struct msm_mdss *msm_mdss) 362 { 363 struct platform_device *pdev = to_platform_device(msm_mdss->dev); 364 int irq; 365 366 pm_runtime_suspend(msm_mdss->dev); 367 pm_runtime_disable(msm_mdss->dev); 368 irq_domain_remove(msm_mdss->irq_controller.domain); 369 msm_mdss->irq_controller.domain = NULL; 370 irq = platform_get_irq(pdev, 0); 371 irq_set_chained_handler_and_data(irq, NULL, NULL); 372 } 373 374 static int msm_mdss_reset(struct device *dev) 375 { 376 struct reset_control *reset; 377 378 reset = reset_control_get_optional_exclusive(dev, NULL); 379 if (!reset) { 380 /* Optional reset not specified */ 381 return 0; 382 } else if (IS_ERR(reset)) { 383 return dev_err_probe(dev, PTR_ERR(reset), 384 "failed to acquire mdss reset\n"); 385 } 386 387 reset_control_assert(reset); 388 /* 389 * Tests indicate that reset has to be held for some period of time, 390 * make it one frame in a typical system 391 */ 392 msleep(20); 393 reset_control_deassert(reset); 394 395 reset_control_put(reset); 396 397 return 0; 398 } 399 400 /* 401 * MDP5 MDSS uses at most three specified clocks. 402 */ 403 #define MDP5_MDSS_NUM_CLOCKS 3 404 static int mdp5_mdss_parse_clock(struct platform_device *pdev, struct clk_bulk_data **clocks) 405 { 406 struct clk_bulk_data *bulk; 407 int num_clocks = 0; 408 int ret; 409 410 if (!pdev) 411 return -EINVAL; 412 413 bulk = devm_kcalloc(&pdev->dev, MDP5_MDSS_NUM_CLOCKS, sizeof(struct clk_bulk_data), GFP_KERNEL); 414 if (!bulk) 415 return -ENOMEM; 416 417 bulk[num_clocks++].id = "iface"; 418 bulk[num_clocks++].id = "bus"; 419 bulk[num_clocks++].id = "vsync"; 420 421 ret = devm_clk_bulk_get_optional(&pdev->dev, num_clocks, bulk); 422 if (ret) 423 return ret; 424 425 *clocks = bulk; 426 427 return num_clocks; 428 } 429 430 static struct msm_mdss *msm_mdss_init(struct platform_device *pdev, bool is_mdp5) 431 { 432 struct msm_mdss *msm_mdss; 433 int ret; 434 int irq; 435 436 ret = msm_mdss_reset(&pdev->dev); 437 if (ret) 438 return ERR_PTR(ret); 439 440 msm_mdss = devm_kzalloc(&pdev->dev, sizeof(*msm_mdss), GFP_KERNEL); 441 if (!msm_mdss) 442 return ERR_PTR(-ENOMEM); 443 444 msm_mdss->mdss_data = of_device_get_match_data(&pdev->dev); 445 446 msm_mdss->mmio = devm_platform_ioremap_resource_byname(pdev, is_mdp5 ? "mdss_phys" : "mdss"); 447 if (IS_ERR(msm_mdss->mmio)) 448 return ERR_CAST(msm_mdss->mmio); 449 450 dev_dbg(&pdev->dev, "mapped mdss address space @%pK\n", msm_mdss->mmio); 451 452 ret = msm_mdss_parse_data_bus_icc_path(&pdev->dev, msm_mdss); 453 if (ret) 454 return ERR_PTR(ret); 455 456 if (is_mdp5) 457 ret = mdp5_mdss_parse_clock(pdev, &msm_mdss->clocks); 458 else 459 ret = devm_clk_bulk_get_all(&pdev->dev, &msm_mdss->clocks); 460 if (ret < 0) { 461 dev_err(&pdev->dev, "failed to parse clocks, ret=%d\n", ret); 462 return ERR_PTR(ret); 463 } 464 msm_mdss->num_clocks = ret; 465 msm_mdss->is_mdp5 = is_mdp5; 466 467 msm_mdss->dev = &pdev->dev; 468 469 irq = platform_get_irq(pdev, 0); 470 if (irq < 0) 471 return ERR_PTR(irq); 472 473 ret = _msm_mdss_irq_domain_add(msm_mdss); 474 if (ret) 475 return ERR_PTR(ret); 476 477 irq_set_chained_handler_and_data(irq, msm_mdss_irq, 478 msm_mdss); 479 480 pm_runtime_enable(&pdev->dev); 481 482 return msm_mdss; 483 } 484 485 static int __maybe_unused mdss_runtime_suspend(struct device *dev) 486 { 487 struct msm_mdss *mdss = dev_get_drvdata(dev); 488 489 DBG(""); 490 491 return msm_mdss_disable(mdss); 492 } 493 494 static int __maybe_unused mdss_runtime_resume(struct device *dev) 495 { 496 struct msm_mdss *mdss = dev_get_drvdata(dev); 497 498 DBG(""); 499 500 return msm_mdss_enable(mdss); 501 } 502 503 static int __maybe_unused mdss_pm_suspend(struct device *dev) 504 { 505 506 if (pm_runtime_suspended(dev)) 507 return 0; 508 509 return mdss_runtime_suspend(dev); 510 } 511 512 static int __maybe_unused mdss_pm_resume(struct device *dev) 513 { 514 if (pm_runtime_suspended(dev)) 515 return 0; 516 517 return mdss_runtime_resume(dev); 518 } 519 520 static const struct dev_pm_ops mdss_pm_ops = { 521 SET_SYSTEM_SLEEP_PM_OPS(mdss_pm_suspend, mdss_pm_resume) 522 SET_RUNTIME_PM_OPS(mdss_runtime_suspend, mdss_runtime_resume, NULL) 523 }; 524 525 static int mdss_probe(struct platform_device *pdev) 526 { 527 struct msm_mdss *mdss; 528 bool is_mdp5 = of_device_is_compatible(pdev->dev.of_node, "qcom,mdss"); 529 struct device *dev = &pdev->dev; 530 int ret; 531 532 mdss = msm_mdss_init(pdev, is_mdp5); 533 if (IS_ERR(mdss)) 534 return PTR_ERR(mdss); 535 536 platform_set_drvdata(pdev, mdss); 537 538 /* 539 * MDP5/DPU based devices don't have a flat hierarchy. There is a top 540 * level parent: MDSS, and children: MDP5/DPU, DSI, HDMI, eDP etc. 541 * Populate the children devices, find the MDP5/DPU node, and then add 542 * the interfaces to our components list. 543 */ 544 ret = of_platform_populate(dev->of_node, NULL, NULL, dev); 545 if (ret) { 546 DRM_DEV_ERROR(dev, "failed to populate children devices\n"); 547 msm_mdss_destroy(mdss); 548 return ret; 549 } 550 551 return 0; 552 } 553 554 static void mdss_remove(struct platform_device *pdev) 555 { 556 struct msm_mdss *mdss = platform_get_drvdata(pdev); 557 558 of_platform_depopulate(&pdev->dev); 559 560 msm_mdss_destroy(mdss); 561 } 562 563 static const struct msm_mdss_data msm8998_data = { 564 .ubwc_enc_version = UBWC_1_0, 565 .ubwc_dec_version = UBWC_1_0, 566 .highest_bank_bit = 2, 567 .reg_bus_bw = 76800, 568 }; 569 570 static const struct msm_mdss_data qcm2290_data = { 571 /* no UBWC */ 572 .highest_bank_bit = 0x2, 573 .reg_bus_bw = 76800, 574 }; 575 576 static const struct msm_mdss_data sc7180_data = { 577 .ubwc_enc_version = UBWC_2_0, 578 .ubwc_dec_version = UBWC_2_0, 579 .ubwc_static = 0x1e, 580 .highest_bank_bit = 0x3, 581 .reg_bus_bw = 76800, 582 }; 583 584 static const struct msm_mdss_data sc7280_data = { 585 .ubwc_enc_version = UBWC_3_0, 586 .ubwc_dec_version = UBWC_4_0, 587 .ubwc_swizzle = 6, 588 .ubwc_static = 1, 589 .highest_bank_bit = 1, 590 .macrotile_mode = 1, 591 .reg_bus_bw = 74000, 592 }; 593 594 static const struct msm_mdss_data sc8180x_data = { 595 .ubwc_enc_version = UBWC_3_0, 596 .ubwc_dec_version = UBWC_3_0, 597 .highest_bank_bit = 3, 598 .macrotile_mode = 1, 599 .reg_bus_bw = 76800, 600 }; 601 602 static const struct msm_mdss_data sc8280xp_data = { 603 .ubwc_enc_version = UBWC_4_0, 604 .ubwc_dec_version = UBWC_4_0, 605 .ubwc_swizzle = 6, 606 .ubwc_static = 1, 607 .highest_bank_bit = 3, 608 .macrotile_mode = 1, 609 .reg_bus_bw = 76800, 610 }; 611 612 static const struct msm_mdss_data sdm670_data = { 613 .ubwc_enc_version = UBWC_2_0, 614 .ubwc_dec_version = UBWC_2_0, 615 .highest_bank_bit = 1, 616 .reg_bus_bw = 76800, 617 }; 618 619 static const struct msm_mdss_data sdm845_data = { 620 .ubwc_enc_version = UBWC_2_0, 621 .ubwc_dec_version = UBWC_2_0, 622 .highest_bank_bit = 2, 623 .reg_bus_bw = 76800, 624 }; 625 626 static const struct msm_mdss_data sm6350_data = { 627 .ubwc_enc_version = UBWC_2_0, 628 .ubwc_dec_version = UBWC_2_0, 629 .ubwc_swizzle = 6, 630 .ubwc_static = 0x1e, 631 .highest_bank_bit = 1, 632 .reg_bus_bw = 76800, 633 }; 634 635 static const struct msm_mdss_data sm7150_data = { 636 .ubwc_enc_version = UBWC_2_0, 637 .ubwc_dec_version = UBWC_2_0, 638 .highest_bank_bit = 1, 639 .reg_bus_bw = 76800, 640 }; 641 642 static const struct msm_mdss_data sm8150_data = { 643 .ubwc_enc_version = UBWC_3_0, 644 .ubwc_dec_version = UBWC_3_0, 645 .highest_bank_bit = 2, 646 .reg_bus_bw = 76800, 647 }; 648 649 static const struct msm_mdss_data sm6115_data = { 650 .ubwc_enc_version = UBWC_1_0, 651 .ubwc_dec_version = UBWC_2_0, 652 .ubwc_swizzle = 7, 653 .ubwc_static = 0x11f, 654 .highest_bank_bit = 0x1, 655 .reg_bus_bw = 76800, 656 }; 657 658 static const struct msm_mdss_data sm6125_data = { 659 .ubwc_enc_version = UBWC_1_0, 660 .ubwc_dec_version = UBWC_3_0, 661 .ubwc_swizzle = 1, 662 .highest_bank_bit = 1, 663 }; 664 665 static const struct msm_mdss_data sm8250_data = { 666 .ubwc_enc_version = UBWC_4_0, 667 .ubwc_dec_version = UBWC_4_0, 668 .ubwc_swizzle = 6, 669 .ubwc_static = 1, 670 /* TODO: highest_bank_bit = 2 for LP_DDR4 */ 671 .highest_bank_bit = 3, 672 .macrotile_mode = 1, 673 .reg_bus_bw = 76800, 674 }; 675 676 static const struct msm_mdss_data sm8350_data = { 677 .ubwc_enc_version = UBWC_4_0, 678 .ubwc_dec_version = UBWC_4_0, 679 .ubwc_swizzle = 6, 680 .ubwc_static = 1, 681 /* TODO: highest_bank_bit = 2 for LP_DDR4 */ 682 .highest_bank_bit = 3, 683 .macrotile_mode = 1, 684 .reg_bus_bw = 74000, 685 }; 686 687 static const struct msm_mdss_data sm8550_data = { 688 .ubwc_enc_version = UBWC_4_0, 689 .ubwc_dec_version = UBWC_4_3, 690 .ubwc_swizzle = 6, 691 .ubwc_static = 1, 692 /* TODO: highest_bank_bit = 2 for LP_DDR4 */ 693 .highest_bank_bit = 3, 694 .macrotile_mode = 1, 695 .reg_bus_bw = 57000, 696 }; 697 698 static const struct msm_mdss_data x1e80100_data = { 699 .ubwc_enc_version = UBWC_4_0, 700 .ubwc_dec_version = UBWC_4_3, 701 .ubwc_swizzle = 6, 702 .ubwc_static = 1, 703 /* TODO: highest_bank_bit = 2 for LP_DDR4 */ 704 .highest_bank_bit = 3, 705 .macrotile_mode = 1, 706 /* TODO: Add reg_bus_bw with real value */ 707 }; 708 709 static const struct of_device_id mdss_dt_match[] = { 710 { .compatible = "qcom,mdss" }, 711 { .compatible = "qcom,msm8998-mdss", .data = &msm8998_data }, 712 { .compatible = "qcom,qcm2290-mdss", .data = &qcm2290_data }, 713 { .compatible = "qcom,sdm670-mdss", .data = &sdm670_data }, 714 { .compatible = "qcom,sdm845-mdss", .data = &sdm845_data }, 715 { .compatible = "qcom,sc7180-mdss", .data = &sc7180_data }, 716 { .compatible = "qcom,sc7280-mdss", .data = &sc7280_data }, 717 { .compatible = "qcom,sc8180x-mdss", .data = &sc8180x_data }, 718 { .compatible = "qcom,sc8280xp-mdss", .data = &sc8280xp_data }, 719 { .compatible = "qcom,sm6115-mdss", .data = &sm6115_data }, 720 { .compatible = "qcom,sm6125-mdss", .data = &sm6125_data }, 721 { .compatible = "qcom,sm6350-mdss", .data = &sm6350_data }, 722 { .compatible = "qcom,sm6375-mdss", .data = &sm6350_data }, 723 { .compatible = "qcom,sm7150-mdss", .data = &sm7150_data }, 724 { .compatible = "qcom,sm8150-mdss", .data = &sm8150_data }, 725 { .compatible = "qcom,sm8250-mdss", .data = &sm8250_data }, 726 { .compatible = "qcom,sm8350-mdss", .data = &sm8350_data }, 727 { .compatible = "qcom,sm8450-mdss", .data = &sm8350_data }, 728 { .compatible = "qcom,sm8550-mdss", .data = &sm8550_data }, 729 { .compatible = "qcom,sm8650-mdss", .data = &sm8550_data}, 730 { .compatible = "qcom,x1e80100-mdss", .data = &x1e80100_data}, 731 {} 732 }; 733 MODULE_DEVICE_TABLE(of, mdss_dt_match); 734 735 static struct platform_driver mdss_platform_driver = { 736 .probe = mdss_probe, 737 .remove_new = mdss_remove, 738 .driver = { 739 .name = "msm-mdss", 740 .of_match_table = mdss_dt_match, 741 .pm = &mdss_pm_ops, 742 }, 743 }; 744 745 void __init msm_mdss_register(void) 746 { 747 platform_driver_register(&mdss_platform_driver); 748 } 749 750 void __exit msm_mdss_unregister(void) 751 { 752 platform_driver_unregister(&mdss_platform_driver); 753 } 754