aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/mach-realview/core.c214
2 files changed, 35 insertions, 180 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b0d55b9f184e..7ee15c2933f8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -241,6 +241,7 @@ config ARCH_REALVIEW
241 select GENERIC_CLOCKEVENTS 241 select GENERIC_CLOCKEVENTS
242 select ARCH_WANT_OPTIONAL_GPIOLIB 242 select ARCH_WANT_OPTIONAL_GPIOLIB
243 select PLAT_VERSATILE 243 select PLAT_VERSATILE
244 select PLAT_VERSATILE_CLCD
244 select ARM_TIMER_SP804 245 select ARM_TIMER_SP804
245 select GPIO_PL061 if GPIOLIB 246 select GPIO_PL061 if GPIOLIB
246 help 247 help
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 1c6602cf50e4..a18a5a66c4c3 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -51,6 +51,7 @@
51#include <mach/irqs.h> 51#include <mach/irqs.h>
52#include <asm/hardware/timer-sp.h> 52#include <asm/hardware/timer-sp.h>
53 53
54#include <plat/clcd.h>
54#include <plat/sched_clock.h> 55#include <plat/sched_clock.h>
55 56
56#include "core.h" 57#include "core.h"
@@ -385,157 +386,6 @@ core_initcall(clk_init);
385#define SYS_CLCD_ID_SANYO_2_5 (0x07 << 8) 386#define SYS_CLCD_ID_SANYO_2_5 (0x07 << 8)
386#define SYS_CLCD_ID_VGA (0x1f << 8) 387#define SYS_CLCD_ID_VGA (0x1f << 8)
387 388
388static struct clcd_panel vga = {
389 .mode = {
390 .name = "VGA",
391 .refresh = 60,
392 .xres = 640,
393 .yres = 480,
394 .pixclock = 39721,
395 .left_margin = 40,
396 .right_margin = 24,
397 .upper_margin = 32,
398 .lower_margin = 11,
399 .hsync_len = 96,
400 .vsync_len = 2,
401 .sync = 0,
402 .vmode = FB_VMODE_NONINTERLACED,
403 },
404 .width = -1,
405 .height = -1,
406 .tim2 = TIM2_BCD | TIM2_IPC,
407 .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
408 .bpp = 16,
409};
410
411static struct clcd_panel xvga = {
412 .mode = {
413 .name = "XVGA",
414 .refresh = 60,
415 .xres = 1024,
416 .yres = 768,
417 .pixclock = 15748,
418 .left_margin = 152,
419 .right_margin = 48,
420 .upper_margin = 23,
421 .lower_margin = 3,
422 .hsync_len = 104,
423 .vsync_len = 4,
424 .sync = 0,
425 .vmode = FB_VMODE_NONINTERLACED,
426 },
427 .width = -1,
428 .height = -1,
429 .tim2 = TIM2_BCD | TIM2_IPC,
430 .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
431 .bpp = 16,
432};
433
434static struct clcd_panel sanyo_3_8_in = {
435 .mode = {
436 .name = "Sanyo QVGA",
437 .refresh = 116,
438 .xres = 320,
439 .yres = 240,
440 .pixclock = 100000,
441 .left_margin = 6,
442 .right_margin = 6,
443 .upper_margin = 5,
444 .lower_margin = 5,
445 .hsync_len = 6,
446 .vsync_len = 6,
447 .sync = 0,
448 .vmode = FB_VMODE_NONINTERLACED,
449 },
450 .width = -1,
451 .height = -1,
452 .tim2 = TIM2_BCD,
453 .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
454 .bpp = 16,
455};
456
457static struct clcd_panel sanyo_2_5_in = {
458 .mode = {
459 .name = "Sanyo QVGA Portrait",
460 .refresh = 116,
461 .xres = 240,
462 .yres = 320,
463 .pixclock = 100000,
464 .left_margin = 20,
465 .right_margin = 10,
466 .upper_margin = 2,
467 .lower_margin = 2,
468 .hsync_len = 10,
469 .vsync_len = 2,
470 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
471 .vmode = FB_VMODE_NONINTERLACED,
472 },
473 .width = -1,
474 .height = -1,
475 .tim2 = TIM2_IVS | TIM2_IHS | TIM2_IPC,
476 .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
477 .bpp = 16,
478};
479
480static struct clcd_panel epson_2_2_in = {
481 .mode = {
482 .name = "Epson QCIF",
483 .refresh = 390,
484 .xres = 176,
485 .yres = 220,
486 .pixclock = 62500,
487 .left_margin = 3,
488 .right_margin = 2,
489 .upper_margin = 1,
490 .lower_margin = 0,
491 .hsync_len = 3,
492 .vsync_len = 2,
493 .sync = 0,
494 .vmode = FB_VMODE_NONINTERLACED,
495 },
496 .width = -1,
497 .height = -1,
498 .tim2 = TIM2_BCD | TIM2_IPC,
499 .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
500 .bpp = 16,
501};
502
503/*
504 * Detect which LCD panel is connected, and return the appropriate
505 * clcd_panel structure. Note: we do not have any information on
506 * the required timings for the 8.4in panel, so we presently assume
507 * VGA timings.
508 */
509static struct clcd_panel *realview_clcd_panel(void)
510{
511 void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET;
512 struct clcd_panel *vga_panel;
513 struct clcd_panel *panel;
514 u32 val;
515
516 if (machine_is_realview_eb())
517 vga_panel = &vga;
518 else
519 vga_panel = &xvga;
520
521 val = readl(sys_clcd) & SYS_CLCD_ID_MASK;
522 if (val == SYS_CLCD_ID_SANYO_3_8)
523 panel = &sanyo_3_8_in;
524 else if (val == SYS_CLCD_ID_SANYO_2_5)
525 panel = &sanyo_2_5_in;
526 else if (val == SYS_CLCD_ID_EPSON_2_2)
527 panel = &epson_2_2_in;
528 else if (val == SYS_CLCD_ID_VGA)
529 panel = vga_panel;
530 else {
531 printk(KERN_ERR "CLCD: unknown LCD panel ID 0x%08x, using VGA\n",
532 val);
533 panel = vga_panel;
534 }
535
536 return panel;
537}
538
539/* 389/*
540 * Disable all display connectors on the interface module. 390 * Disable all display connectors on the interface module.
541 */ 391 */
@@ -565,56 +415,60 @@ static void realview_clcd_enable(struct clcd_fb *fb)
565 writel(val, sys_clcd); 415 writel(val, sys_clcd);
566} 416}
567 417
418/*
419 * Detect which LCD panel is connected, and return the appropriate
420 * clcd_panel structure. Note: we do not have any information on
421 * the required timings for the 8.4in panel, so we presently assume
422 * VGA timings.
423 */
568static int realview_clcd_setup(struct clcd_fb *fb) 424static int realview_clcd_setup(struct clcd_fb *fb)
569{ 425{
426 void __iomem *sys_clcd = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_CLCD_OFFSET;
427 const char *panel_name, *vga_panel_name;
570 unsigned long framesize; 428 unsigned long framesize;
571 dma_addr_t dma; 429 u32 val;
572 430
573 if (machine_is_realview_eb()) 431 if (machine_is_realview_eb()) {
574 /* VGA, 16bpp */ 432 /* VGA, 16bpp */
575 framesize = 640 * 480 * 2; 433 framesize = 640 * 480 * 2;
576 else 434 vga_panel_name = "VGA";
435 } else {
577 /* XVGA, 16bpp */ 436 /* XVGA, 16bpp */
578 framesize = 1024 * 768 * 2; 437 framesize = 1024 * 768 * 2;
579 438 vga_panel_name = "XVGA";
580 fb->panel = realview_clcd_panel();
581
582 fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, framesize,
583 &dma, GFP_KERNEL | GFP_DMA);
584 if (!fb->fb.screen_base) {
585 printk(KERN_ERR "CLCD: unable to map framebuffer\n");
586 return -ENOMEM;
587 } 439 }
588 440
589 fb->fb.fix.smem_start = dma; 441 val = readl(sys_clcd) & SYS_CLCD_ID_MASK;
590 fb->fb.fix.smem_len = framesize; 442 if (val == SYS_CLCD_ID_SANYO_3_8)
591 443 panel_name = "Sanyo TM38QV67A02A";
592 return 0; 444 else if (val == SYS_CLCD_ID_SANYO_2_5)
593} 445 panel_name = "Sanyo QVGA Portrait";
446 else if (val == SYS_CLCD_ID_EPSON_2_2)
447 panel_name = "Epson L2F50113T00";
448 else if (val == SYS_CLCD_ID_VGA)
449 panel_name = vga_panel_name;
450 else {
451 pr_err("CLCD: unknown LCD panel ID 0x%08x, using VGA\n", val);
452 panel_name = vga_panel_name;
453 }
594 454
595static int realview_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma) 455 fb->panel = versatile_clcd_get_panel(panel_name);
596{ 456 if (!fb->panel)
597 return dma_mmap_writecombine(&fb->dev->dev, vma, 457 return -EINVAL;
598 fb->fb.screen_base,
599 fb->fb.fix.smem_start,
600 fb->fb.fix.smem_len);
601}
602 458
603static void realview_clcd_remove(struct clcd_fb *fb) 459 return versatile_clcd_setup_dma(fb, framesize);
604{
605 dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len,
606 fb->fb.screen_base, fb->fb.fix.smem_start);
607} 460}
608 461
609struct clcd_board clcd_plat_data = { 462struct clcd_board clcd_plat_data = {
610 .name = "RealView", 463 .name = "RealView",
464 .caps = CLCD_CAP_ALL,
611 .check = clcdfb_check, 465 .check = clcdfb_check,
612 .decode = clcdfb_decode, 466 .decode = clcdfb_decode,
613 .disable = realview_clcd_disable, 467 .disable = realview_clcd_disable,
614 .enable = realview_clcd_enable, 468 .enable = realview_clcd_enable,
615 .setup = realview_clcd_setup, 469 .setup = realview_clcd_setup,
616 .mmap = realview_clcd_mmap, 470 .mmap = versatile_clcd_mmap_dma,
617 .remove = realview_clcd_remove, 471 .remove = versatile_clcd_remove_dma,
618}; 472};
619 473
620#ifdef CONFIG_LEDS 474#ifdef CONFIG_LEDS
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-16 21:10:58 -0500