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path: root/drivers/video/nvidia/nvidia.c
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Diffstat (limited to 'drivers/video/nvidia/nvidia.c')
-rw-r--r--drivers/video/nvidia/nvidia.c95
1 files changed, 14 insertions, 81 deletions
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index 093ab9977c7c..03a7c1e9ce38 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -22,6 +22,7 @@
22#include <linux/init.h> 22#include <linux/init.h>
23#include <linux/pci.h> 23#include <linux/pci.h>
24#include <linux/console.h> 24#include <linux/console.h>
25#include <linux/backlight.h>
25#ifdef CONFIG_MTRR 26#ifdef CONFIG_MTRR
26#include <asm/mtrr.h> 27#include <asm/mtrr.h>
27#endif 28#endif
@@ -29,10 +30,6 @@
29#include <asm/prom.h> 30#include <asm/prom.h>
30#include <asm/pci-bridge.h> 31#include <asm/pci-bridge.h>
31#endif 32#endif
32#ifdef CONFIG_PMAC_BACKLIGHT
33#include <asm/machdep.h>
34#include <asm/backlight.h>
35#endif
36 33
37#include "nv_local.h" 34#include "nv_local.h"
38#include "nv_type.h" 35#include "nv_type.h"
@@ -470,75 +467,6 @@ static struct fb_var_screeninfo __devinitdata nvidiafb_default_var = {
470 .vmode = FB_VMODE_NONINTERLACED 467 .vmode = FB_VMODE_NONINTERLACED
471}; 468};
472 469
473/*
474 * Backlight control
475 */
476#ifdef CONFIG_PMAC_BACKLIGHT
477
478static int nvidia_backlight_levels[] = {
479 0x158,
480 0x192,
481 0x1c6,
482 0x200,
483 0x234,
484 0x268,
485 0x2a2,
486 0x2d6,
487 0x310,
488 0x344,
489 0x378,
490 0x3b2,
491 0x3e6,
492 0x41a,
493 0x454,
494 0x534,
495};
496
497/* ------------------------------------------------------------------------- *
498 *
499 * Backlight operations
500 *
501 * ------------------------------------------------------------------------- */
502
503static int nvidia_set_backlight_enable(int on, int level, void *data)
504{
505 struct nvidia_par *par = data;
506 u32 tmp_pcrt, tmp_pmc, fpcontrol;
507
508 tmp_pmc = NV_RD32(par->PMC, 0x10F0) & 0x0000FFFF;
509 tmp_pcrt = NV_RD32(par->PCRTC0, 0x081C) & 0xFFFFFFFC;
510 fpcontrol = NV_RD32(par->PRAMDAC, 0x0848) & 0xCFFFFFCC;
511
512 if (on && (level > BACKLIGHT_OFF)) {
513 tmp_pcrt |= 0x1;
514 tmp_pmc |= (1 << 31); // backlight bit
515 tmp_pmc |= nvidia_backlight_levels[level - 1] << 16;
516 }
517
518 if (on)
519 fpcontrol |= par->fpSyncs;
520 else
521 fpcontrol |= 0x20000022;
522
523 NV_WR32(par->PCRTC0, 0x081C, tmp_pcrt);
524 NV_WR32(par->PMC, 0x10F0, tmp_pmc);
525 NV_WR32(par->PRAMDAC, 0x848, fpcontrol);
526
527 return 0;
528}
529
530static int nvidia_set_backlight_level(int level, void *data)
531{
532 return nvidia_set_backlight_enable(1, level, data);
533}
534
535static struct backlight_controller nvidia_backlight_controller = {
536 nvidia_set_backlight_enable,
537 nvidia_set_backlight_level
538};
539
540#endif /* CONFIG_PMAC_BACKLIGHT */
541
542static void nvidiafb_load_cursor_image(struct nvidia_par *par, u8 * data8, 470static void nvidiafb_load_cursor_image(struct nvidia_par *par, u8 * data8,
543 u16 bg, u16 fg, u32 w, u32 h) 471 u16 bg, u16 fg, u32 w, u32 h)
544{ 472{
@@ -1355,10 +1283,15 @@ static int nvidiafb_blank(int blank, struct fb_info *info)
1355 NVWriteSeq(par, 0x01, tmp); 1283 NVWriteSeq(par, 0x01, tmp);
1356 NVWriteCrtc(par, 0x1a, vesa); 1284 NVWriteCrtc(par, 0x1a, vesa);
1357 1285
1358#ifdef CONFIG_PMAC_BACKLIGHT 1286#ifdef CONFIG_FB_NVIDIA_BACKLIGHT
1359 if (par->FlatPanel && machine_is(powermac)) { 1287 mutex_lock(&info->bl_mutex);
1360 set_backlight_enable(!blank); 1288 if (info->bl_dev) {
1289 down(&info->bl_dev->sem);
1290 info->bl_dev->props->power = blank;
1291 info->bl_dev->props->update_status(info->bl_dev);
1292 up(&info->bl_dev->sem);
1361 } 1293 }
1294 mutex_unlock(&info->bl_mutex);
1362#endif 1295#endif
1363 1296
1364 NVTRACE_LEAVE(); 1297 NVTRACE_LEAVE();
@@ -1741,11 +1674,9 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd,
1741 "PCI nVidia %s framebuffer (%dMB @ 0x%lX)\n", 1674 "PCI nVidia %s framebuffer (%dMB @ 0x%lX)\n",
1742 info->fix.id, 1675 info->fix.id,
1743 par->FbMapSize / (1024 * 1024), info->fix.smem_start); 1676 par->FbMapSize / (1024 * 1024), info->fix.smem_start);
1744#ifdef CONFIG_PMAC_BACKLIGHT 1677
1745 if (par->FlatPanel && machine_is(powermac)) 1678 nvidia_bl_init(par);
1746 register_backlight_controller(&nvidia_backlight_controller, 1679
1747 par, "mnca");
1748#endif
1749 NVTRACE_LEAVE(); 1680 NVTRACE_LEAVE();
1750 return 0; 1681 return 0;
1751 1682
@@ -1775,6 +1706,8 @@ static void __exit nvidiafb_remove(struct pci_dev *pd)
1775 1706
1776 NVTRACE_ENTER(); 1707 NVTRACE_ENTER();
1777 1708
1709 nvidia_bl_exit(par);
1710
1778 unregister_framebuffer(info); 1711 unregister_framebuffer(info);
1779#ifdef CONFIG_MTRR 1712#ifdef CONFIG_MTRR
1780 if (par->mtrr.vram_valid) 1713 if (par->mtrr.vram_valid)