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