1 /* 2 * (C) Copyright 2008-2017 Fuzhou Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <asm/unaligned.h> 8 #include <config.h> 9 #include <common.h> 10 #include <errno.h> 11 #include <libfdt.h> 12 #include <fdtdec.h> 13 #include <fdt_support.h> 14 #include <linux/list.h> 15 #include <linux/compat.h> 16 #include <linux/media-bus-format.h> 17 #include <malloc.h> 18 #include <video.h> 19 #include <video_rockchip.h> 20 #include <dm/device.h> 21 #include <dm/uclass-internal.h> 22 #include <asm/arch-rockchip/resource_img.h> 23 24 #include "bmp_helper.h" 25 #include "rockchip_display.h" 26 #include "rockchip_crtc.h" 27 #include "rockchip_connector.h" 28 #include "rockchip_phy.h" 29 #include "rockchip_panel.h" 30 #include <dm.h> 31 #include <dm/of_access.h> 32 #include <dm/ofnode.h> 33 34 #define DRIVER_VERSION "v1.0.0" 35 36 /*********************************************************************** 37 * Rockchip UBOOT DRM driver version 38 * 39 * v1.0.0 : add basic version for rockchip drm driver(hjc) 40 * 41 **********************************************************************/ 42 43 #define RK_BLK_SIZE 512 44 45 DECLARE_GLOBAL_DATA_PTR; 46 static LIST_HEAD(rockchip_display_list); 47 static LIST_HEAD(logo_cache_list); 48 49 static unsigned long memory_start; 50 static unsigned long memory_end; 51 52 static void init_display_buffer(ulong base) 53 { 54 memory_start = base + DRM_ROCKCHIP_FB_SIZE; 55 memory_end = memory_start; 56 } 57 58 static void *get_display_buffer(int size) 59 { 60 unsigned long roundup_memory = roundup(memory_end, PAGE_SIZE); 61 void *buf; 62 63 if (roundup_memory + size > memory_start + MEMORY_POOL_SIZE) { 64 printf("failed to alloc %dbyte memory to display\n", size); 65 return NULL; 66 } 67 buf = (void *)roundup_memory; 68 69 memory_end = roundup_memory + size; 70 71 return buf; 72 } 73 74 static unsigned long get_display_size(void) 75 { 76 return memory_end - memory_start; 77 } 78 79 static bool can_direct_logo(int bpp) 80 { 81 return bpp == 24 || bpp == 32; 82 } 83 84 85 static struct udevice *get_panel_device(struct display_state *state, ofnode conn_node) 86 { 87 struct panel_state *panel_state = &state->panel_state; 88 struct udevice *dev; 89 struct connector_state *conn_state = &state->conn_state; 90 ofnode node, ports_node, port_node; 91 struct device_node *port, *panel, *ep; 92 int ph; 93 int ret; 94 95 node = dev_read_subnode(conn_state->dev, "panel"); 96 if (ofnode_valid(node) && 97 of_device_is_available(ofnode_to_np(node))) { 98 ret = uclass_get_device_by_ofnode(UCLASS_PANEL, node, &dev); 99 if (!ret) { 100 panel_state->node = node; 101 return dev; 102 } 103 } 104 105 /* TODO: this path not tested */ 106 ports_node = dev_read_subnode(conn_state->dev, "ports"); 107 if (!ofnode_valid(ports_node)) 108 return NULL; 109 110 ofnode_for_each_subnode(port_node, ports_node) { 111 ofnode_for_each_subnode(node, port_node) { 112 ph = ofnode_read_u32_default(node, "remote-endpoint", -1); 113 if (!ph) 114 continue; 115 ep = of_find_node_by_phandle(ph); 116 if (!ofnode_valid(np_to_ofnode(ep))) { 117 printf("Warn: can't find endpoint from phdl\n"); 118 continue; 119 } 120 port = of_get_parent(ep); 121 if (!ofnode_valid(np_to_ofnode(port))) { 122 printf("Warn: can't find port node\n"); 123 continue; 124 } 125 panel = of_get_parent(port); 126 if (!ofnode_valid(np_to_ofnode(panel))) { 127 printf("Warn: can't find panel node\n"); 128 continue; 129 } 130 ret = uclass_get_device_by_ofnode(UCLASS_PANEL, 131 np_to_ofnode(panel), 132 &dev); 133 if (!ret) { 134 panel_state->node = np_to_ofnode(panel); 135 return dev; 136 } 137 } 138 } 139 140 return NULL; 141 } 142 143 static int connector_phy_init(struct display_state *state) 144 { 145 struct connector_state *conn_state = &state->conn_state; 146 const struct rockchip_phy *phy; 147 struct udevice *dev; 148 int ret; 149 150 ret = uclass_get_device_by_phandle(UCLASS_PHY, conn_state->dev, "phys", 151 &dev); 152 if (ret) { 153 debug("Warn: can't find phy driver\n"); 154 return 0; 155 } 156 157 phy = (const struct rockchip_phy *)dev_get_driver_data(dev); 158 if (!phy) { 159 printf("failed to find phy driver\n"); 160 return 0; 161 } 162 163 conn_state->phy_dev = dev; 164 conn_state->phy_node = dev->node; 165 166 if (!phy->funcs || !phy->funcs->init || 167 phy->funcs->init(state)) { 168 printf("failed to init phy driver\n"); 169 return -EINVAL; 170 } 171 172 conn_state->phy = phy; 173 return 0; 174 } 175 176 static int connector_panel_init(struct display_state *state) 177 { 178 struct connector_state *conn_state = &state->conn_state; 179 struct panel_state *panel_state = &state->panel_state; 180 struct udevice *dev; 181 ofnode conn_node = conn_state->node; 182 const struct rockchip_panel *panel; 183 ofnode dsp_lut_node; 184 int ret, len; 185 186 dm_scan_fdt_dev(conn_state->dev); 187 188 dev = get_panel_device(state, conn_node); 189 if (!dev) { 190 return 0; 191 } 192 193 panel = (const struct rockchip_panel *)dev_get_driver_data(dev); 194 if (!panel) { 195 printf("failed to find panel driver\n"); 196 return 0; 197 } 198 199 panel_state->dev = dev; 200 panel_state->panel = panel; 201 202 if (panel->funcs && panel->funcs->init) { 203 ret = panel->funcs->init(state); 204 if (ret) { 205 printf("failed to init panel driver\n"); 206 return ret; 207 } 208 } 209 210 dsp_lut_node = dev_read_subnode(dev, "dsp-lut"); 211 if (!ofnode_valid(dsp_lut_node)) { 212 debug("%s can not find dsp-lut node\n", __func__); 213 return 0; 214 } 215 216 ofnode_get_property(dsp_lut_node, "gamma-lut", &len); 217 if (len > 0) { 218 conn_state->gamma.size = len / sizeof(u32); 219 conn_state->gamma.lut = malloc(len); 220 if (!conn_state->gamma.lut) { 221 printf("malloc gamma lut failed\n"); 222 return -ENOMEM; 223 } 224 ret = ofnode_read_u32_array(dsp_lut_node, "gamma-lut", 225 conn_state->gamma.lut, 226 conn_state->gamma.size); 227 if (ret) { 228 printf("Cannot decode gamma_lut\n"); 229 conn_state->gamma.lut = NULL; 230 return -EINVAL; 231 } 232 panel_state->dsp_lut_node = dsp_lut_node; 233 } 234 235 return 0; 236 } 237 238 int drm_mode_vrefresh(const struct drm_display_mode *mode) 239 { 240 int refresh = 0; 241 unsigned int calc_val; 242 243 if (mode->vrefresh > 0) { 244 refresh = mode->vrefresh; 245 } else if (mode->htotal > 0 && mode->vtotal > 0) { 246 int vtotal; 247 248 vtotal = mode->vtotal; 249 /* work out vrefresh the value will be x1000 */ 250 calc_val = (mode->clock * 1000); 251 calc_val /= mode->htotal; 252 refresh = (calc_val + vtotal / 2) / vtotal; 253 254 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 255 refresh *= 2; 256 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 257 refresh /= 2; 258 if (mode->vscan > 1) 259 refresh /= mode->vscan; 260 } 261 return refresh; 262 } 263 264 static int display_get_timing_from_dts(struct panel_state *panel_state, 265 struct drm_display_mode *mode) 266 { 267 int phandle; 268 int hactive, vactive, pixelclock; 269 int hfront_porch, hback_porch, hsync_len; 270 int vfront_porch, vback_porch, vsync_len; 271 int val, flags = 0; 272 ofnode timing, native_mode; 273 274 timing = dev_read_subnode(panel_state->dev, "display-timings"); 275 if (!ofnode_valid(timing)) 276 return -ENODEV; 277 278 native_mode = ofnode_find_subnode(timing, "timing"); 279 if (!ofnode_valid(native_mode)) { 280 phandle = ofnode_read_u32_default(timing, "native-mode", -1); 281 native_mode = np_to_ofnode(of_find_node_by_phandle(phandle)); 282 if (!ofnode_valid(native_mode)) { 283 printf("failed to get display timings from DT\n"); 284 return -ENXIO; 285 } 286 } 287 288 #define FDT_GET_INT(val, name) \ 289 val = ofnode_read_s32_default(native_mode, name, -1); \ 290 if (val < 0) { \ 291 printf("Can't get %s\n", name); \ 292 return -ENXIO; \ 293 } 294 295 FDT_GET_INT(hactive, "hactive"); 296 FDT_GET_INT(vactive, "vactive"); 297 FDT_GET_INT(pixelclock, "clock-frequency"); 298 FDT_GET_INT(hsync_len, "hsync-len"); 299 FDT_GET_INT(hfront_porch, "hfront-porch"); 300 FDT_GET_INT(hback_porch, "hback-porch"); 301 FDT_GET_INT(vsync_len, "vsync-len"); 302 FDT_GET_INT(vfront_porch, "vfront-porch"); 303 FDT_GET_INT(vback_porch, "vback-porch"); 304 FDT_GET_INT(val, "hsync-active"); 305 flags |= val ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; 306 FDT_GET_INT(val, "vsync-active"); 307 flags |= val ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; 308 309 mode->hdisplay = hactive; 310 mode->hsync_start = mode->hdisplay + hfront_porch; 311 mode->hsync_end = mode->hsync_start + hsync_len; 312 mode->htotal = mode->hsync_end + hback_porch; 313 314 mode->vdisplay = vactive; 315 mode->vsync_start = mode->vdisplay + vfront_porch; 316 mode->vsync_end = mode->vsync_start + vsync_len; 317 mode->vtotal = mode->vsync_end + vback_porch; 318 319 mode->clock = pixelclock / 1000; 320 mode->flags = flags; 321 322 return 0; 323 } 324 325 /** 326 * drm_mode_set_crtcinfo - set CRTC modesetting timing parameters 327 * @p: mode 328 * @adjust_flags: a combination of adjustment flags 329 * 330 * Setup the CRTC modesetting timing parameters for @p, adjusting if necessary. 331 * 332 * - The CRTC_INTERLACE_HALVE_V flag can be used to halve vertical timings of 333 * interlaced modes. 334 * - The CRTC_STEREO_DOUBLE flag can be used to compute the timings for 335 * buffers containing two eyes (only adjust the timings when needed, eg. for 336 * "frame packing" or "side by side full"). 337 * - The CRTC_NO_DBLSCAN and CRTC_NO_VSCAN flags request that adjustment *not* 338 * be performed for doublescan and vscan > 1 modes respectively. 339 */ 340 void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags) 341 { 342 if ((p == NULL) || ((p->type & DRM_MODE_TYPE_CRTC_C) == DRM_MODE_TYPE_BUILTIN)) 343 return; 344 345 if (p->flags & DRM_MODE_FLAG_DBLCLK) 346 p->crtc_clock = 2 * p->clock; 347 else 348 p->crtc_clock = p->clock; 349 p->crtc_hdisplay = p->hdisplay; 350 p->crtc_hsync_start = p->hsync_start; 351 p->crtc_hsync_end = p->hsync_end; 352 p->crtc_htotal = p->htotal; 353 p->crtc_hskew = p->hskew; 354 p->crtc_vdisplay = p->vdisplay; 355 p->crtc_vsync_start = p->vsync_start; 356 p->crtc_vsync_end = p->vsync_end; 357 p->crtc_vtotal = p->vtotal; 358 359 if (p->flags & DRM_MODE_FLAG_INTERLACE) { 360 if (adjust_flags & CRTC_INTERLACE_HALVE_V) { 361 p->crtc_vdisplay /= 2; 362 p->crtc_vsync_start /= 2; 363 p->crtc_vsync_end /= 2; 364 p->crtc_vtotal /= 2; 365 } 366 } 367 368 if (!(adjust_flags & CRTC_NO_DBLSCAN)) { 369 if (p->flags & DRM_MODE_FLAG_DBLSCAN) { 370 p->crtc_vdisplay *= 2; 371 p->crtc_vsync_start *= 2; 372 p->crtc_vsync_end *= 2; 373 p->crtc_vtotal *= 2; 374 } 375 } 376 377 if (!(adjust_flags & CRTC_NO_VSCAN)) { 378 if (p->vscan > 1) { 379 p->crtc_vdisplay *= p->vscan; 380 p->crtc_vsync_start *= p->vscan; 381 p->crtc_vsync_end *= p->vscan; 382 p->crtc_vtotal *= p->vscan; 383 } 384 } 385 386 if (adjust_flags & CRTC_STEREO_DOUBLE) { 387 unsigned int layout = p->flags & DRM_MODE_FLAG_3D_MASK; 388 389 switch (layout) { 390 case DRM_MODE_FLAG_3D_FRAME_PACKING: 391 p->crtc_clock *= 2; 392 p->crtc_vdisplay += p->crtc_vtotal; 393 p->crtc_vsync_start += p->crtc_vtotal; 394 p->crtc_vsync_end += p->crtc_vtotal; 395 p->crtc_vtotal += p->crtc_vtotal; 396 break; 397 } 398 } 399 400 p->crtc_vblank_start = min(p->crtc_vsync_start, p->crtc_vdisplay); 401 p->crtc_vblank_end = max(p->crtc_vsync_end, p->crtc_vtotal); 402 p->crtc_hblank_start = min(p->crtc_hsync_start, p->crtc_hdisplay); 403 p->crtc_hblank_end = max(p->crtc_hsync_end, p->crtc_htotal); 404 } 405 406 static int display_get_timing(struct display_state *state) 407 { 408 struct connector_state *conn_state = &state->conn_state; 409 const struct rockchip_connector *conn = conn_state->connector; 410 const struct rockchip_connector_funcs *conn_funcs = conn->funcs; 411 struct drm_display_mode *mode = &conn_state->mode; 412 const struct drm_display_mode *m; 413 struct panel_state *panel_state = &state->panel_state; 414 const struct rockchip_panel *panel = panel_state->panel; 415 const struct rockchip_panel_funcs *panel_funcs = panel->funcs; 416 ofnode panel_node = panel_state->node; 417 int ret; 418 419 if (ofnode_valid(panel_node) && !display_get_timing_from_dts(panel_state, mode)) { 420 printf("Using display timing dts\n"); 421 goto done; 422 } 423 424 if (panel->data) { 425 m = (const struct drm_display_mode *)panel->data; 426 memcpy(mode, m, sizeof(*m)); 427 printf("Using display timing from compatible panel driver\n"); 428 goto done; 429 } 430 431 if (conn_funcs->get_edid && !conn_funcs->get_edid(state)) { 432 int panel_bits_per_colourp; 433 434 /* In order to read EDID, the panel needs to be powered on */ 435 if (panel_funcs->prepare) { 436 ret = panel_funcs->prepare(state); 437 if (ret) { 438 printf("failed to prepare panel\n"); 439 return ret; 440 } 441 } 442 443 if (!edid_get_drm_mode((void *)&conn_state->edid, 444 sizeof(conn_state->edid), mode, 445 &panel_bits_per_colourp)) { 446 printf("Using display timing from edid\n"); 447 edid_print_info((void *)&conn_state->edid); 448 goto done; 449 } else { 450 if (panel_funcs->unprepare) 451 panel_funcs->unprepare(state); 452 } 453 } 454 455 printf("failed to find display timing\n"); 456 return -ENODEV; 457 done: 458 printf("Detailed mode clock %u kHz, flags[%x]\n" 459 " H: %04d %04d %04d %04d\n" 460 " V: %04d %04d %04d %04d\n" 461 "bus_format: %x\n", 462 mode->clock, mode->flags, 463 mode->hdisplay, mode->hsync_start, 464 mode->hsync_end, mode->htotal, 465 mode->vdisplay, mode->vsync_start, 466 mode->vsync_end, mode->vtotal, 467 conn_state->bus_format); 468 469 return 0; 470 } 471 472 static int display_init(struct display_state *state) 473 { 474 struct connector_state *conn_state = &state->conn_state; 475 const struct rockchip_connector *conn = conn_state->connector; 476 const struct rockchip_connector_funcs *conn_funcs = conn->funcs; 477 struct crtc_state *crtc_state = &state->crtc_state; 478 const struct rockchip_crtc *crtc = crtc_state->crtc; 479 const struct rockchip_crtc_funcs *crtc_funcs = crtc->funcs; 480 struct drm_display_mode *mode = &conn_state->mode; 481 int ret = 0; 482 static bool __print_once = false; 483 484 if (!__print_once) { 485 __print_once = true; 486 printf("Rockchip UBOOT DRM driver version: %s\n", DRIVER_VERSION); 487 } 488 489 if (state->is_init) 490 return 0; 491 492 if (!conn_funcs || !crtc_funcs) { 493 printf("failed to find connector or crtc functions\n"); 494 return -ENXIO; 495 } 496 497 if (conn_funcs->init) { 498 ret = conn_funcs->init(state); 499 if (ret) 500 goto deinit; 501 } 502 /* 503 * support hotplug, but not connect; 504 */ 505 if (conn_funcs->detect) { 506 ret = conn_funcs->detect(state); 507 if (!ret) 508 goto deinit; 509 } 510 511 if (conn_funcs->get_timing) { 512 ret = conn_funcs->get_timing(state); 513 if (ret) 514 goto deinit; 515 } else { 516 ret = display_get_timing(state); 517 if (ret) 518 goto deinit; 519 } 520 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); 521 522 if (crtc_funcs->init) { 523 ret = crtc_funcs->init(state); 524 if (ret) 525 goto deinit; 526 } 527 528 state->is_init = 1; 529 530 return 0; 531 532 deinit: 533 if (conn_funcs->deinit) 534 conn_funcs->deinit(state); 535 return ret; 536 } 537 538 static int display_set_plane(struct display_state *state) 539 { 540 struct crtc_state *crtc_state = &state->crtc_state; 541 const struct rockchip_crtc *crtc = crtc_state->crtc; 542 const struct rockchip_crtc_funcs *crtc_funcs = crtc->funcs; 543 int ret; 544 545 if (!state->is_init) 546 return -EINVAL; 547 548 if (crtc_funcs->set_plane) { 549 ret = crtc_funcs->set_plane(state); 550 if (ret) 551 return ret; 552 } 553 554 return 0; 555 } 556 557 static int display_enable(struct display_state *state) 558 { 559 struct connector_state *conn_state = &state->conn_state; 560 const struct rockchip_connector *conn = conn_state->connector; 561 const struct rockchip_connector_funcs *conn_funcs = conn->funcs; 562 struct crtc_state *crtc_state = &state->crtc_state; 563 const struct rockchip_crtc *crtc = crtc_state->crtc; 564 const struct rockchip_crtc_funcs *crtc_funcs = crtc->funcs; 565 struct panel_state *panel_state = &state->panel_state; 566 const struct rockchip_panel *panel = panel_state->panel; 567 const struct rockchip_panel_funcs *panel_funcs = panel->funcs; 568 int ret = 0; 569 570 display_init(state); 571 572 if (!state->is_init) 573 return -EINVAL; 574 575 if (state->is_enable) 576 return 0; 577 578 if (crtc_funcs->prepare) { 579 ret = crtc_funcs->prepare(state); 580 if (ret) 581 return ret; 582 } 583 584 if (conn_funcs->prepare) { 585 ret = conn_funcs->prepare(state); 586 if (ret) 587 goto unprepare_crtc; 588 } 589 590 if (panel_funcs->prepare) { 591 ret = panel_funcs->prepare(state); 592 if (ret) { 593 printf("failed to prepare panel\n"); 594 goto unprepare_conn; 595 } 596 } 597 598 if (crtc_funcs->enable) { 599 ret = crtc_funcs->enable(state); 600 if (ret) 601 goto unprepare_panel; 602 } 603 604 if (conn_funcs->enable) { 605 ret = conn_funcs->enable(state); 606 if (ret) 607 goto disable_crtc; 608 } 609 610 if (panel_funcs->enable) { 611 ret = panel_funcs->enable(state); 612 if (ret) { 613 printf("failed to enable panel\n"); 614 goto disable_conn; 615 } 616 } 617 618 state->is_enable = true; 619 620 return 0; 621 622 disable_conn: 623 if (conn_funcs->unprepare) 624 conn_funcs->unprepare(state); 625 disable_crtc: 626 if (crtc_funcs->disable) 627 crtc_funcs->disable(state); 628 unprepare_crtc: 629 if (crtc_funcs->unprepare) 630 crtc_funcs->unprepare(state); 631 unprepare_panel: 632 if (panel_funcs->unprepare) 633 panel_funcs->unprepare(state); 634 unprepare_conn: 635 if (conn_funcs->unprepare) 636 conn_funcs->unprepare(state); 637 return ret; 638 } 639 640 static int display_disable(struct display_state *state) 641 { 642 struct connector_state *conn_state = &state->conn_state; 643 const struct rockchip_connector *conn = conn_state->connector; 644 const struct rockchip_connector_funcs *conn_funcs = conn->funcs; 645 struct crtc_state *crtc_state = &state->crtc_state; 646 const struct rockchip_crtc *crtc = crtc_state->crtc; 647 const struct rockchip_crtc_funcs *crtc_funcs = crtc->funcs; 648 struct panel_state *panel_state = &state->panel_state; 649 const struct rockchip_panel *panel = panel_state->panel; 650 const struct rockchip_panel_funcs *panel_funcs = panel->funcs; 651 652 if (!state->is_init) 653 return 0; 654 655 if (!state->is_enable) 656 return 0; 657 658 if (panel_funcs->disable) 659 panel_funcs->disable(state); 660 661 if (crtc_funcs->disable) 662 crtc_funcs->disable(state); 663 664 if (conn_funcs->disable) 665 conn_funcs->disable(state); 666 667 if (panel_funcs->unprepare) 668 panel_funcs->unprepare(state); 669 670 if (conn_funcs->unprepare) 671 conn_funcs->unprepare(state); 672 673 state->is_enable = 0; 674 state->is_init = 0; 675 676 return 0; 677 } 678 679 static int display_logo(struct display_state *state) 680 { 681 struct crtc_state *crtc_state = &state->crtc_state; 682 struct connector_state *conn_state = &state->conn_state; 683 struct logo_info *logo = &state->logo; 684 int hdisplay, vdisplay; 685 686 display_init(state); 687 if (!state->is_init) 688 return -ENODEV; 689 690 switch (logo->bpp) { 691 case 16: 692 crtc_state->format = ROCKCHIP_FMT_RGB565; 693 break; 694 case 24: 695 crtc_state->format = ROCKCHIP_FMT_RGB888; 696 break; 697 case 32: 698 crtc_state->format = ROCKCHIP_FMT_ARGB8888; 699 break; 700 default: 701 printf("can't support bmp bits[%d]\n", logo->bpp); 702 return -EINVAL; 703 } 704 crtc_state->rb_swap = logo->bpp != 32; 705 hdisplay = conn_state->mode.hdisplay; 706 vdisplay = conn_state->mode.vdisplay; 707 crtc_state->src_w = logo->width; 708 crtc_state->src_h = logo->height; 709 crtc_state->src_x = 0; 710 crtc_state->src_y = 0; 711 crtc_state->ymirror = logo->ymirror; 712 713 crtc_state->dma_addr = (u32)(unsigned long)logo->mem + logo->offset; 714 crtc_state->xvir = ALIGN(crtc_state->src_w * logo->bpp, 32) >> 5; 715 716 if (logo->mode == ROCKCHIP_DISPLAY_FULLSCREEN) { 717 crtc_state->crtc_x = 0; 718 crtc_state->crtc_y = 0; 719 crtc_state->crtc_w = hdisplay; 720 crtc_state->crtc_h = vdisplay; 721 } else { 722 if (crtc_state->src_w >= hdisplay) { 723 crtc_state->crtc_x = 0; 724 crtc_state->crtc_w = hdisplay; 725 } else { 726 crtc_state->crtc_x = (hdisplay - crtc_state->src_w) / 2; 727 crtc_state->crtc_w = crtc_state->src_w; 728 } 729 730 if (crtc_state->src_h >= vdisplay) { 731 crtc_state->crtc_y = 0; 732 crtc_state->crtc_h = vdisplay; 733 } else { 734 crtc_state->crtc_y = (vdisplay - crtc_state->src_h) / 2; 735 crtc_state->crtc_h = crtc_state->src_h; 736 } 737 } 738 739 display_set_plane(state); 740 display_enable(state); 741 742 return 0; 743 } 744 745 static int get_crtc_id(ofnode connect) 746 { 747 int phandle; 748 struct device_node *remote; 749 int val; 750 751 phandle = ofnode_read_u32_default(connect, "remote-endpoint", -1); 752 if (phandle < 0) 753 goto err; 754 remote = of_find_node_by_phandle(phandle); 755 val = ofnode_read_u32_default(np_to_ofnode(remote), "reg", -1); 756 if (val < 0) 757 goto err; 758 759 return val; 760 err: 761 printf("Can't get crtc id, default set to id = 0\n"); 762 return 0; 763 } 764 765 struct rockchip_logo_cache *find_or_alloc_logo_cache(const char *bmp) 766 { 767 struct rockchip_logo_cache *tmp, *logo_cache = NULL; 768 769 list_for_each_entry(tmp, &logo_cache_list, head) { 770 if (!strcmp(tmp->name, bmp)) { 771 logo_cache = tmp; 772 break; 773 } 774 } 775 776 if (!logo_cache) { 777 logo_cache = malloc(sizeof(*logo_cache)); 778 if (!logo_cache) { 779 printf("failed to alloc memory for logo cache\n"); 780 return NULL; 781 } 782 memset(logo_cache, 0, sizeof(*logo_cache)); 783 strcpy(logo_cache->name, bmp); 784 INIT_LIST_HEAD(&logo_cache->head); 785 list_add_tail(&logo_cache->head, &logo_cache_list); 786 } 787 788 return logo_cache; 789 } 790 791 static int load_bmp_logo(struct logo_info *logo, const char *bmp_name) 792 { 793 #ifdef CONFIG_ROCKCHIP_RESOURCE_IMAGE 794 struct rockchip_logo_cache *logo_cache; 795 struct bmp_header *header; 796 void *dst = NULL, *pdst; 797 int size, len; 798 int ret = 0; 799 800 if (!logo || !bmp_name) 801 return -EINVAL; 802 logo_cache = find_or_alloc_logo_cache(bmp_name); 803 if (!logo_cache) 804 return -ENOMEM; 805 806 if (logo_cache->logo.mem) { 807 memcpy(logo, &logo_cache->logo, sizeof(*logo)); 808 return 0; 809 } 810 811 header = malloc(RK_BLK_SIZE); 812 if (!header) 813 return -ENOMEM; 814 815 len = rockchip_read_resource_file(header, bmp_name, 0, RK_BLK_SIZE); 816 if (len != RK_BLK_SIZE) { 817 ret = -EINVAL; 818 goto free_header; 819 } 820 821 logo->bpp = get_unaligned_le16(&header->bit_count); 822 logo->width = get_unaligned_le32(&header->width); 823 logo->height = get_unaligned_le32(&header->height); 824 size = get_unaligned_le32(&header->file_size); 825 if (!can_direct_logo(logo->bpp)) { 826 if (size > MEMORY_POOL_SIZE) { 827 printf("failed to use boot buf as temp bmp buffer\n"); 828 ret = -ENOMEM; 829 goto free_header; 830 } 831 pdst = get_display_buffer(size); 832 833 } else { 834 pdst = get_display_buffer(size); 835 dst = pdst; 836 } 837 838 len = rockchip_read_resource_file(pdst, bmp_name, 0, size); 839 if (len != size) { 840 printf("failed to load bmp %s\n", bmp_name); 841 ret = -ENOENT; 842 goto free_header; 843 } 844 845 if (!can_direct_logo(logo->bpp)) { 846 int dst_size; 847 /* 848 * TODO: force use 16bpp if bpp less than 16; 849 */ 850 logo->bpp = (logo->bpp <= 16) ? 16 : logo->bpp; 851 dst_size = logo->width * logo->height * logo->bpp >> 3; 852 853 dst = get_display_buffer(dst_size); 854 if (!dst) { 855 ret = -ENOMEM; 856 goto free_header; 857 } 858 if (bmpdecoder(pdst, dst, logo->bpp)) { 859 printf("failed to decode bmp %s\n", bmp_name); 860 ret = -EINVAL; 861 goto free_header; 862 } 863 flush_dcache_range((ulong)dst, 864 ALIGN((ulong)dst + dst_size, 865 CONFIG_SYS_CACHELINE_SIZE)); 866 867 logo->offset = 0; 868 logo->ymirror = 0; 869 } else { 870 logo->offset = get_unaligned_le32(&header->data_offset); 871 logo->ymirror = 1; 872 } 873 logo->mem = dst; 874 875 memcpy(&logo_cache->logo, logo, sizeof(*logo)); 876 877 free_header: 878 879 free(header); 880 881 return ret; 882 #else 883 return -EINVAL; 884 #endif 885 } 886 887 void rockchip_show_fbbase(ulong fbbase) 888 { 889 struct display_state *s; 890 891 list_for_each_entry(s, &rockchip_display_list, head) { 892 s->logo.mode = ROCKCHIP_DISPLAY_FULLSCREEN; 893 s->logo.mem = (char *)fbbase; 894 s->logo.width = DRM_ROCKCHIP_FB_WIDTH; 895 s->logo.height = DRM_ROCKCHIP_FB_HEIGHT; 896 s->logo.bpp = 32; 897 s->logo.ymirror = 0; 898 899 display_logo(s); 900 } 901 } 902 903 void rockchip_show_bmp(const char *bmp) 904 { 905 struct display_state *s; 906 907 if (!bmp) { 908 list_for_each_entry(s, &rockchip_display_list, head) 909 display_disable(s); 910 return; 911 } 912 913 list_for_each_entry(s, &rockchip_display_list, head) { 914 s->logo.mode = s->charge_logo_mode; 915 if (load_bmp_logo(&s->logo, bmp)) 916 continue; 917 display_logo(s); 918 } 919 } 920 921 void rockchip_show_logo(void) 922 { 923 struct display_state *s; 924 925 list_for_each_entry(s, &rockchip_display_list, head) { 926 s->logo.mode = s->logo_mode; 927 if (load_bmp_logo(&s->logo, s->ulogo_name)) 928 printf("failed to display uboot logo\n"); 929 else 930 display_logo(s); 931 if (load_bmp_logo(&s->logo, s->klogo_name)) 932 printf("failed to display kernel logo\n"); 933 } 934 } 935 936 static int rockchip_display_probe(struct udevice *dev) 937 { 938 struct video_priv *uc_priv = dev_get_uclass_priv(dev); 939 struct video_uc_platdata *plat = dev_get_uclass_platdata(dev); 940 const void *blob = gd->fdt_blob; 941 int phandle; 942 struct udevice *crtc_dev, *conn_dev; 943 const struct rockchip_crtc *crtc; 944 const struct rockchip_connector *conn; 945 struct display_state *s; 946 const char *name; 947 int ret; 948 ofnode node, route_node; 949 struct device_node *port_node, *vop_node, *ep_node; 950 struct device_node *cnt_node, *p; 951 952 /* Before relocation we don't need to do anything */ 953 if (!(gd->flags & GD_FLG_RELOC)) 954 return 0; 955 init_display_buffer(plat->base); 956 957 route_node = dev_read_subnode(dev, "route"); 958 if (!ofnode_valid(route_node)) 959 return -ENODEV; 960 961 ofnode_for_each_subnode(node, route_node) { 962 if (!ofnode_is_available(node)) 963 continue; 964 phandle = ofnode_read_u32_default(node, "connect", -1); 965 if (phandle < 0) { 966 printf("Warn: can't find connect node's handle\n"); 967 continue; 968 } 969 ep_node = of_find_node_by_phandle(phandle); 970 if (!ofnode_valid(np_to_ofnode(ep_node))) { 971 printf("Warn: can't find endpoint node from phandle\n"); 972 continue; 973 } 974 port_node = of_get_parent(ep_node); 975 if (!ofnode_valid(np_to_ofnode(port_node))) { 976 printf("Warn: can't find port node from phandle\n"); 977 continue; 978 } 979 vop_node = of_get_parent(port_node); 980 if (!ofnode_valid(np_to_ofnode(vop_node))) { 981 printf("Warn: can't find crtc node from phandle\n"); 982 continue; 983 } 984 ret = uclass_get_device_by_ofnode(UCLASS_VIDEO_CRTC, 985 np_to_ofnode(vop_node), 986 &crtc_dev); 987 if (ret) { 988 printf("Warn: can't find crtc driver %d\n", ret); 989 continue; 990 } 991 crtc = (const struct rockchip_crtc *)dev_get_driver_data(crtc_dev); 992 993 phandle = ofnode_read_u32_default(np_to_ofnode(ep_node), 994 "remote-endpoint", -1); 995 cnt_node = of_find_node_by_phandle(phandle); 996 if (phandle < 0) { 997 printf("Warn: can't find remote-endpoint's handle\n"); 998 continue; 999 } 1000 while (cnt_node->parent){ 1001 p = of_get_parent(cnt_node); 1002 if (!strcmp(p->full_name, "/")) 1003 break; 1004 cnt_node = p; 1005 } 1006 if (!of_device_is_available(cnt_node)) 1007 continue; 1008 ret = uclass_get_device_by_ofnode(UCLASS_DISPLAY, 1009 np_to_ofnode(cnt_node), 1010 &conn_dev); 1011 if (ret) { 1012 printf("Warn: can't find connect driver\n"); 1013 continue; 1014 } 1015 conn = (const struct rockchip_connector *)dev_get_driver_data(conn_dev); 1016 1017 s = malloc(sizeof(*s)); 1018 if (!s) 1019 continue; 1020 1021 memset(s, 0, sizeof(*s)); 1022 1023 INIT_LIST_HEAD(&s->head); 1024 ret = ofnode_read_string_index(node, "logo,uboot", 0, &s->ulogo_name); 1025 ret = ofnode_read_string_index(node, "logo,kernel", 0, &s->klogo_name); 1026 ret = ofnode_read_string_index(node, "logo,mode", 0, &name); 1027 if (!strcmp(name, "fullscreen")) 1028 s->logo_mode = ROCKCHIP_DISPLAY_FULLSCREEN; 1029 else 1030 s->logo_mode = ROCKCHIP_DISPLAY_CENTER; 1031 ret = ofnode_read_string_index(node, "charge_logo,mode", 0, &name); 1032 if (!strcmp(name, "fullscreen")) 1033 s->charge_logo_mode = ROCKCHIP_DISPLAY_FULLSCREEN; 1034 else 1035 s->charge_logo_mode = ROCKCHIP_DISPLAY_CENTER; 1036 1037 s->blob = blob; 1038 s->conn_state.node = np_to_ofnode(cnt_node); 1039 s->conn_state.dev = conn_dev; 1040 s->conn_state.connector = conn; 1041 s->conn_state.overscan.left_margin = 100; 1042 s->conn_state.overscan.right_margin = 100; 1043 s->conn_state.overscan.top_margin = 100; 1044 s->conn_state.overscan.bottom_margin = 100; 1045 s->crtc_state.node = np_to_ofnode(vop_node); 1046 s->crtc_state.dev = crtc_dev; 1047 s->crtc_state.crtc = crtc; 1048 s->crtc_state.crtc_id = get_crtc_id(np_to_ofnode(ep_node)); 1049 s->node = node; 1050 1051 if (connector_panel_init(s)) { 1052 printf("Warn: Failed to init panel drivers\n"); 1053 free(s); 1054 continue; 1055 } 1056 1057 if (connector_phy_init(s)) { 1058 printf("Warn: Failed to init phy drivers\n"); 1059 free(s); 1060 continue; 1061 } 1062 list_add_tail(&s->head, &rockchip_display_list); 1063 1064 } 1065 1066 if (list_empty(&rockchip_display_list)) { 1067 printf("Failed to found available display route\n"); 1068 return -ENODEV; 1069 } 1070 1071 uc_priv->xsize = DRM_ROCKCHIP_FB_WIDTH; 1072 uc_priv->ysize = DRM_ROCKCHIP_FB_HEIGHT; 1073 uc_priv->bpix = VIDEO_BPP32; 1074 1075 #ifdef CONFIG_DRM_ROCKCHIP_VIDEO_FRAMEBUFFER 1076 rockchip_show_fbbase(plat->base); 1077 video_set_flush_dcache(dev, true); 1078 #endif 1079 1080 return 0; 1081 } 1082 1083 void rockchip_display_fixup(void *blob) 1084 { 1085 const struct rockchip_connector_funcs *conn_funcs; 1086 const struct rockchip_crtc_funcs *crtc_funcs; 1087 const struct rockchip_connector *conn; 1088 const struct rockchip_crtc *crtc; 1089 struct display_state *s; 1090 u32 offset; 1091 const struct device_node *np; 1092 const char *path; 1093 1094 if (!get_display_size()) 1095 return; 1096 1097 offset = fdt_update_reserved_memory(blob, "rockchip,drm-logo", 1098 (u64)memory_start, 1099 (u64)get_display_size()); 1100 if (offset < 0) { 1101 printf("failed to add drm-loader-logo memory\n"); 1102 return; 1103 } 1104 1105 list_for_each_entry(s, &rockchip_display_list, head) { 1106 conn = s->conn_state.connector; 1107 if (!conn) 1108 continue; 1109 conn_funcs = conn->funcs; 1110 if (!conn_funcs) { 1111 printf("failed to get exist connector\n"); 1112 continue; 1113 } 1114 1115 crtc = s->crtc_state.crtc; 1116 if (!crtc) 1117 continue; 1118 1119 crtc_funcs = crtc->funcs; 1120 if (!crtc_funcs) { 1121 printf("failed to get exist crtc\n"); 1122 continue; 1123 } 1124 1125 if (crtc_funcs->fixup_dts) 1126 crtc_funcs->fixup_dts(s, blob); 1127 1128 if (conn_funcs->fixup_dts) 1129 conn_funcs->fixup_dts(s, blob); 1130 1131 np = ofnode_to_np(s->node); 1132 path = np->full_name; 1133 fdt_increase_size(blob, 0x400); 1134 #define FDT_SET_U32(name, val) \ 1135 do_fixup_by_path_u32(blob, path, name, val, 1); 1136 1137 offset = s->logo.offset + (u32)(unsigned long)s->logo.mem 1138 - memory_start; 1139 FDT_SET_U32("logo,offset", offset); 1140 FDT_SET_U32("logo,width", s->logo.width); 1141 FDT_SET_U32("logo,height", s->logo.height); 1142 FDT_SET_U32("logo,bpp", s->logo.bpp); 1143 FDT_SET_U32("logo,ymirror", s->logo.ymirror); 1144 FDT_SET_U32("video,hdisplay", s->conn_state.mode.hdisplay); 1145 FDT_SET_U32("video,vdisplay", s->conn_state.mode.vdisplay); 1146 FDT_SET_U32("video,crtc_hsync_end", s->conn_state.mode.crtc_hsync_end); 1147 FDT_SET_U32("video,crtc_vsync_end", s->conn_state.mode.crtc_vsync_end); 1148 FDT_SET_U32("video,vrefresh", 1149 drm_mode_vrefresh(&s->conn_state.mode)); 1150 FDT_SET_U32("video,flags", s->conn_state.mode.flags); 1151 FDT_SET_U32("overscan,left_margin", s->conn_state.overscan.left_margin); 1152 FDT_SET_U32("overscan,right_margin", s->conn_state.overscan.right_margin); 1153 FDT_SET_U32("overscan,top_margin", s->conn_state.overscan.top_margin); 1154 FDT_SET_U32("overscan,bottom_margin", s->conn_state.overscan.bottom_margin); 1155 #undef FDT_SET_U32 1156 } 1157 } 1158 1159 int rockchip_display_bind(struct udevice *dev) 1160 { 1161 struct video_uc_platdata *plat = dev_get_uclass_platdata(dev); 1162 1163 plat->size = DRM_ROCKCHIP_FB_SIZE + MEMORY_POOL_SIZE; 1164 1165 return 0; 1166 } 1167 1168 static const struct udevice_id rockchip_display_ids[] = { 1169 { .compatible = "rockchip,display-subsystem" }, 1170 { } 1171 }; 1172 1173 U_BOOT_DRIVER(rockchip_display) = { 1174 .name = "rockchip_display", 1175 .id = UCLASS_VIDEO, 1176 .of_match = rockchip_display_ids, 1177 .bind = rockchip_display_bind, 1178 .probe = rockchip_display_probe, 1179 }; 1180 1181 static int do_rockchip_logo_show(cmd_tbl_t *cmdtp, int flag, int argc, 1182 char *const argv[]) 1183 { 1184 if (argc != 1) 1185 return CMD_RET_USAGE; 1186 1187 rockchip_show_logo(); 1188 1189 return 0; 1190 } 1191 1192 static int do_rockchip_show_bmp(cmd_tbl_t *cmdtp, int flag, int argc, 1193 char *const argv[]) 1194 { 1195 if (argc != 2) 1196 return CMD_RET_USAGE; 1197 1198 rockchip_show_bmp(argv[1]); 1199 1200 return 0; 1201 } 1202 1203 U_BOOT_CMD( 1204 rockchip_show_logo, 1, 1, do_rockchip_logo_show, 1205 "load and display log from resource partition", 1206 NULL 1207 ); 1208 1209 U_BOOT_CMD( 1210 rockchip_show_bmp, 2, 1, do_rockchip_show_bmp, 1211 "load and display bmp from resource partition", 1212 " <bmp_name>" 1213 ); 1214