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Diffstat (limited to 'hw/kdrive/i810/i810.c')
| -rw-r--r-- | hw/kdrive/i810/i810.c | 2104 |
1 files changed, 0 insertions, 2104 deletions
diff --git a/hw/kdrive/i810/i810.c b/hw/kdrive/i810/i810.c deleted file mode 100644 index 9c3f6a3e5..000000000 --- a/hw/kdrive/i810/i810.c +++ /dev/null @@ -1,2104 +0,0 @@ -/* COPYRIGHT AND PERMISSION NOTICE - -Copyright (c) 2000, 2001 Nokia Home Communications - -All rights reserved. - -Permission is hereby granted, free of charge, to any person obtaining -a copy of this software and associated documentation files (the -"Software"), to deal in the Software without restriction, including -without limitation the rights to use, copy, modify, merge, publish, -distribute, and/or sell copies of the Software, and to permit persons -to whom the Software is furnished to do so, provided that the above -copyright notice(s) and this permission notice appear in all copies of -the Software and that both the above copyright notice(s) and this -permission notice appear in supporting documentation. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT -OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR -HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY -SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER -RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF -CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN -CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - -Except as contained in this notice, the name of a copyright holder -shall not be used in advertising or otherwise to promote the sale, use -or other dealings in this Software without prior written authorization -of the copyright holder. - -X Window System is a trademark of The Open Group */ - - -/* $RCSId: xc/programs/Xserver/hw/kdrive/i810/i810.c,v 1.1 2001/03/30 02:18:41 keithp Exp $ */ - -/* - * i810.c - KDrive driver for the i810 chipset - * - * Authors: - * Pontus Lidman <pontus.lidman@nokia.com> - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "kdrive.h" -#include "kxv.h" - -#include "i810.h" -#include "agp.h" - -#include "i810draw.h" - -Bool i810InitVideo(ScreenPtr pScreen); - -#ifndef I810_DEBUG -int I810_DEBUG = (0 -/* | DEBUG_ALWAYS_SYNC */ -/* | DEBUG_VERBOSE_ACCEL */ -/* | DEBUG_VERBOSE_SYNC */ -/* | DEBUG_VERBOSE_VGA */ -/* | DEBUG_VERBOSE_RING */ -/* | DEBUG_VERBOSE_OUTREG */ -/* | DEBUG_VERBOSE_MEMORY */ -/* | DEBUG_VERBOSE_CURSOR */ - ); -#endif - - -static Bool -i810ModeInit(KdScreenInfo *screen, const KdMonitorTiming *t); - -static void -i810PrintMode( vgaRegPtr vgaReg, I810RegPtr mode ); - -Bool -i810CardInit (KdCardInfo *card) -{ - int i; - - I810CardInfo *i810c; - -/* fprintf(stderr,"i810CardInit\n"); */ - - i810c = (I810CardInfo *) xalloc (sizeof (I810CardInfo)); - - if (!i810c) - return FALSE; - - /* 2MB Video RAM */ - i810c->videoRam=2048; - - /* Find FB address */ - - if (card->attr.address[1] != 0) { - i810c->LinearAddr = card->attr.address[0] & 0xFF000000; - - if (!i810c->LinearAddr) { - fprintf(stderr,"No valid FB address in PCI config space(1)\n"); - xfree(i810c); - return FALSE; - } else { -/* fprintf(stderr,"Linear framebuffer at %lx\n",i810c->LinearAddr); */ - } - } else { - fprintf(stderr,"No valid FB address in PCI config space(2)\n"); - xfree(i810c); - return FALSE; - } - - if (card->attr.address[1]) { - - i810c->MMIOAddr = card->attr.address[1] & 0xFFF80000; - - i810c->MMIOBase = - KdMapDevice (i810c->MMIOAddr, I810_REG_SIZE); - if (!i810c->MMIOBase) { - fprintf(stderr,"No valid MMIO address in PCI config space(1)\n"); - xfree(i810c); - return FALSE; - } else { - - } - } else { - fprintf(stderr,"No valid MMIO address in PCI config space(2)\n"); - xfree(i810c); - return FALSE; - } - -/* fprintf(stderr,"Mapped 0x%x bytes of MMIO regs at phys 0x%lx virt %p\n", */ -/* I810_REG_SIZE,i810c->MMIOAddr,i810c->MMIOBase); */ - - /* Find out memory bus frequency. - */ - - { - unsigned long *p; - unsigned char *LinuxGetPciCfg(KdCardAttr *attr); - - - if (!(p= (unsigned long *) LinuxGetPciCfg(&card->attr))) - return FALSE; - -/* fprintf(stderr,"Frequency long %lx\n",p[WHTCFG_PAMR_DRP]); */ - - if ( (p[WHTCFG_PAMR_DRP] & LM_FREQ_MASK) == LM_FREQ_133 ) - i810c->LmFreqSel = 133; - else - i810c->LmFreqSel = 100; - - xfree(p); - -/* fprintf(stderr,"Selected frequency %d\n",i810c->LmFreqSel); */ - } - -/* fprintf(stderr,"Will alloc AGP framebuffer: %d kByte\n",i810c->videoRam); */ - - /* Since we always want write combining on first 32 mb of framebuffer - * we pass a mapsize of 32 mb */ - i810c->FbMapSize = 32*1024*1024; - - for (i = 2 ; i < i810c->FbMapSize ; i <<= 1); - i810c->FbMapSize = i; - - i810c->FbBase = - KdMapDevice (i810c->LinearAddr, i810c->FbMapSize); - - if (!i810c->FbBase) return FALSE; -/* fprintf(stderr,"Mapped 0x%lx bytes of framebuffer at %p\n", */ -/* i810c->FbMapSize,i810c->FbBase); */ - - card->driver=i810c; - - return TRUE; -} - -void -i810ScreenFini (KdScreenInfo *screen) -{ - I810ScreenInfo *i810s = (I810ScreenInfo *) screen->driver; - - xfree (i810s); - screen->driver = 0; -} - -Bool -i810InitScreen (ScreenPtr pScreen) { - -#ifdef XV - i810InitVideo(pScreen); -#endif - return TRUE; -} - -void -i810CardFini (KdCardInfo *card) -{ - I810CardInfo *i810c = (I810CardInfo *) card->driver; - - KdUnmapDevice (i810c->FbBase, i810c->FbMapSize); - KdUnmapDevice (i810c->MMIOBase, I810_REG_SIZE); - xfree (i810c); - card->driver = 0; -} - -struct wm_info { - double freq; - unsigned int wm; -}; - -struct wm_info i810_wm_8_100[] = { - { 0, 0x22003000 }, - { 25.2, 0x22003000 }, - { 28.0, 0x22003000 }, - { 31.5, 0x22003000 }, - { 36.0, 0x22007000 }, - { 40.0, 0x22007000 }, - { 45.0, 0x22007000 }, - { 49.5, 0x22008000 }, - { 50.0, 0x22008000 }, - { 56.3, 0x22008000 }, - { 65.0, 0x22008000 }, - { 75.0, 0x22008000 }, - { 78.8, 0x22008000 }, - { 80.0, 0x22008000 }, - { 94.0, 0x22008000 }, - { 96.0, 0x22107000 }, - { 99.0, 0x22107000 }, - { 108.0, 0x22107000 }, - { 121.0, 0x22107000 }, - { 128.9, 0x22107000 }, - { 132.0, 0x22109000 }, - { 135.0, 0x22109000 }, - { 157.5, 0x2210b000 }, - { 162.0, 0x2210b000 }, - { 175.5, 0x2210b000 }, - { 189.0, 0x2220e000 }, - { 202.5, 0x2220e000 } -}; - -struct wm_info i810_wm_16_100[] = { - { 0, 0x22004000 }, - { 25.2, 0x22006000 }, - { 28.0, 0x22006000 }, - { 31.5, 0x22007000 }, - { 36.0, 0x22007000 }, - { 40.0, 0x22007000 }, - { 45.0, 0x22007000 }, - { 49.5, 0x22009000 }, - { 50.0, 0x22009000 }, - { 56.3, 0x22108000 }, - { 65.0, 0x2210e000 }, - { 75.0, 0x2210e000 }, - { 78.8, 0x2210e000 }, - { 80.0, 0x22210000 }, - { 94.5, 0x22210000 }, - { 96.0, 0x22210000 }, - { 99.0, 0x22210000 }, - { 108.0, 0x22210000 }, - { 121.0, 0x22210000 }, - { 128.9, 0x22210000 }, - { 132.0, 0x22314000 }, - { 135.0, 0x22314000 }, - { 157.5, 0x22415000 }, - { 162.0, 0x22416000 }, - { 175.5, 0x22416000 }, - { 189.0, 0x22416000 }, - { 195.0, 0x22416000 }, - { 202.5, 0x22416000 } -}; - - -struct wm_info i810_wm_24_100[] = { - { 0, 0x22006000 }, - { 25.2, 0x22009000 }, - { 28.0, 0x22009000 }, - { 31.5, 0x2200a000 }, - { 36.0, 0x2210c000 }, - { 40.0, 0x2210c000 }, - { 45.0, 0x2210c000 }, - { 49.5, 0x22111000 }, - { 50.0, 0x22111000 }, - { 56.3, 0x22111000 }, - { 65.0, 0x22214000 }, - { 75.0, 0x22214000 }, - { 78.8, 0x22215000 }, - { 80.0, 0x22216000 }, - { 94.5, 0x22218000 }, - { 96.0, 0x22418000 }, - { 99.0, 0x22418000 }, - { 108.0, 0x22418000 }, - { 121.0, 0x22418000 }, - { 128.9, 0x22419000 }, - { 132.0, 0x22519000 }, - { 135.0, 0x4441d000 }, - { 157.5, 0x44419000 }, - { 162.0, 0x44419000 }, - { 175.5, 0x44419000 }, - { 189.0, 0x44419000 }, - { 195.0, 0x44419000 }, - { 202.5, 0x44419000 } -}; - -struct wm_info i810_wm_32_100[] = { - { 0, 0x2210b000 }, - { 60, 0x22415000 }, /* 0x314000 works too */ - { 80, 0x22419000 } /* 0x518000 works too */ -}; - - -struct wm_info i810_wm_8_133[] = { - { 0, 0x22003000 }, - { 25.2, 0x22003000 }, - { 28.0, 0x22003000 }, - { 31.5, 0x22003000 }, - { 36.0, 0x22007000 }, - { 40.0, 0x22007000 }, - { 45.0, 0x22007000 }, - { 49.5, 0x22008000 }, - { 50.0, 0x22008000 }, - { 56.3, 0x22008000 }, - { 65.0, 0x22008000 }, - { 75.0, 0x22008000 }, - { 78.8, 0x22008000 }, - { 80.0, 0x22008000 }, - { 94.0, 0x22008000 }, - { 96.0, 0x22107000 }, - { 99.0, 0x22107000 }, - { 108.0, 0x22107000 }, - { 121.0, 0x22107000 }, - { 128.9, 0x22107000 }, - { 132.0, 0x22109000 }, - { 135.0, 0x22109000 }, - { 157.5, 0x2210b000 }, - { 162.0, 0x2210b000 }, - { 175.5, 0x2210b000 }, - { 189.0, 0x2220e000 }, - { 202.5, 0x2220e000 } -}; - - -struct wm_info i810_wm_16_133[] = { - { 0, 0x22004000 }, - { 25.2, 0x22006000 }, - { 28.0, 0x22006000 }, - { 31.5, 0x22007000 }, - { 36.0, 0x22007000 }, - { 40.0, 0x22007000 }, - { 45.0, 0x22007000 }, - { 49.5, 0x22009000 }, - { 50.0, 0x22009000 }, - { 56.3, 0x22108000 }, - { 65.0, 0x2210e000 }, - { 75.0, 0x2210e000 }, - { 78.8, 0x2210e000 }, - { 80.0, 0x22210000 }, - { 94.5, 0x22210000 }, - { 96.0, 0x22210000 }, - { 99.0, 0x22210000 }, - { 108.0, 0x22210000 }, - { 121.0, 0x22210000 }, - { 128.9, 0x22210000 }, - { 132.0, 0x22314000 }, - { 135.0, 0x22314000 }, - { 157.5, 0x22415000 }, - { 162.0, 0x22416000 }, - { 175.5, 0x22416000 }, - { 189.0, 0x22416000 }, - { 195.0, 0x22416000 }, - { 202.5, 0x22416000 } -}; - -struct wm_info i810_wm_24_133[] = { - { 0, 0x22006000 }, - { 25.2, 0x22009000 }, - { 28.0, 0x22009000 }, - { 31.5, 0x2200a000 }, - { 36.0, 0x2210c000 }, - { 40.0, 0x2210c000 }, - { 45.0, 0x2210c000 }, - { 49.5, 0x22111000 }, - { 50.0, 0x22111000 }, - { 56.3, 0x22111000 }, - { 65.0, 0x22214000 }, - { 75.0, 0x22214000 }, - { 78.8, 0x22215000 }, - { 80.0, 0x22216000 }, - { 94.5, 0x22218000 }, - { 96.0, 0x22418000 }, - { 99.0, 0x22418000 }, - { 108.0, 0x22418000 }, - { 121.0, 0x22418000 }, - { 128.9, 0x22419000 }, - { 132.0, 0x22519000 }, - { 135.0, 0x4441d000 }, - { 157.5, 0x44419000 }, - { 162.0, 0x44419000 }, - { 175.5, 0x44419000 }, - { 189.0, 0x44419000 }, - { 195.0, 0x44419000 }, - { 202.5, 0x44419000 } -}; - -static void -i810WriteControlMMIO(I810CardInfo *i810c, int addr, CARD8 index, CARD8 val) { - moutb(addr, index); - moutb(addr+1, val); -} - -static CARD8 -i810ReadControlMMIO(I810CardInfo *i810c, int addr, CARD8 index) { - moutb(addr, index); - return minb(addr+1); -} - -Bool -i810ModeSupported (KdScreenInfo *screen, const KdMonitorTiming *t) -{ - /* This is just a guess. */ - if (t->horizontal > 1600 || t->horizontal < 640) return FALSE; - if (t->vertical > 1200 || t->horizontal < 350) return FALSE; - return TRUE; -} - -Bool -i810ModeUsable (KdScreenInfo *screen) -{ - KdCardInfo *card = screen->card; - I810CardInfo *i810c = (I810CardInfo *) card->driver; - int byte_width, pixel_width, screen_size; - -/* fprintf(stderr,"i810ModeUsable\n"); */ - - if (screen->fb[0].depth >= 24) - { - screen->fb[0].depth = 24; - screen->fb[0].bitsPerPixel = 24; - screen->dumb = TRUE; - } - else if (screen->fb[0].depth >= 16) - { - screen->fb[0].depth = 16; - screen->fb[0].bitsPerPixel = 16; - } - else if (screen->fb[0].depth >= 15) - { - screen->fb[0].depth = 15; - screen->fb[0].bitsPerPixel = 16; - } - else - { - screen->fb[0].depth = 8; - screen->fb[0].bitsPerPixel = 8; - } - byte_width = screen->width * (screen->fb[0].bitsPerPixel >> 3); - pixel_width = screen->width; - - screen->fb[0].pixelStride = pixel_width; - screen->fb[0].byteStride = byte_width; - - screen_size = byte_width * screen->height; - - return screen_size <= (i810c->videoRam * 1024); -} - -int i810AllocateGARTMemory( KdScreenInfo *screen ) -{ - KdCardInfo *card = screen->card; - I810CardInfo *i810c = (I810CardInfo *) card->driver; - unsigned long size = i810c->videoRam * 1024; - - int key; - long tom = 0; - unsigned long physical; - - if (!KdAgpGARTSupported()) - return FALSE; - - if (!KdAcquireGART(screen->mynum)) - return FALSE; - - /* This allows the 2d only Xserver to regen */ - i810c->agpAcquired2d = TRUE; - - /* Treat the gart like video memory - we assume we own all that is - * there, so ignore EBUSY errors. Don't try to remove it on - * failure, either, as other X server may be using it. - */ - - if ((key = KdAllocateGARTMemory(screen->mynum, size, 0, NULL)) == -1) - return FALSE; - - i810c->VramOffset = 0; - i810c->VramKey = key; - - if (!KdBindGARTMemory(screen->mynum, key, 0)) - return FALSE; - - - i810c->SysMem.Start = 0; - i810c->SysMem.Size = size; - i810c->SysMem.End = size; - i810c->SavedSysMem = i810c->SysMem; - - tom = i810c->SysMem.End; - - i810c->DcacheMem.Start = 0; - i810c->DcacheMem.End = 0; - i810c->DcacheMem.Size = 0; - i810c->CursorPhysical = 0; - - /* Dcache - half the speed of normal ram, so not really useful for - * a 2d server. Don't bother reporting its presence. This is - * mapped in addition to the requested amount of system ram. - */ - size = 1024 * 4096; - - /* Keep it 512K aligned for the sake of tiled regions. - */ - tom += 0x7ffff; - tom &= ~0x7ffff; - - if ((key = KdAllocateGARTMemory(screen->mynum, size, AGP_DCACHE_MEMORY, NULL)) != -1) { - i810c->DcacheOffset= tom; - i810c->DcacheKey = key; - if (!KdBindGARTMemory(screen->mynum, key, tom)) { - fprintf(stderr,"Allocation of %ld bytes for DCACHE failed\n", size); - i810c->DcacheKey = -1; - } else { - i810c->DcacheMem.Start = tom; - i810c->DcacheMem.Size = size; - i810c->DcacheMem.End = i810c->DcacheMem.Start + i810c->DcacheMem.Size; - tom = i810c->DcacheMem.End; - } - } else { - fprintf(stderr, - "No physical memory available for %ld bytes of DCACHE\n", - size); - i810c->DcacheKey = -1; - } - - /* Mouse cursor -- The i810 (crazy) needs a physical address in - * system memory from which to upload the cursor. We get this from - * the agpgart module using a special memory type. - */ - - /* 4k for the cursor is excessive, I'm going to steal 3k for - * overlay registers later - */ - - size = 4096; - - if ((key = KdAllocateGARTMemory(screen->mynum, size, AGP_PHYS_MEMORY, - &physical)) == -1) { - fprintf(stderr, - "No physical memory available for HW cursor\n"); - i810c->HwcursKey = -1; - } else { - i810c->HwcursOffset= tom; - i810c->HwcursKey = key; - if (!KdBindGARTMemory(screen->mynum, key, tom)) { - fprintf(stderr, - "Allocation of %ld bytes for HW cursor failed\n", - size); - i810c->HwcursKey = -1; - } else { - i810c->CursorPhysical = physical; - i810c->CursorStart = tom; - tom += size; - } - } - - /* Overlay register buffer -- Just like the cursor, the i810 needs a - * physical address in system memory from which to upload the overlay - * registers. - */ - if (i810c->CursorStart != 0) { - i810c->OverlayPhysical = i810c->CursorPhysical + 1024; - i810c->OverlayStart = i810c->CursorStart + 1024; - } - - - i810c->GttBound = 1; - - return TRUE; -} - -/* Allocate from a memrange, returns success */ - -int i810AllocLow( I810MemRange *result, I810MemRange *pool, int size ) -{ - if (size > pool->Size) return FALSE; - - pool->Size -= size; - result->Size = size; - result->Start = pool->Start; - result->End = pool->Start += size; - return TRUE; -} - -int i810AllocHigh( I810MemRange *result, I810MemRange *pool, int size ) -{ - if (size > pool->Size) return 0; - - pool->Size -= size; - result->Size = size; - result->End = pool->End; - result->Start = pool->End -= size; - return 1; -} - -Bool -i810AllocateFront(KdScreenInfo *screen) { - - KdCardInfo *card = screen->card; - I810CardInfo *i810c = (I810CardInfo *) card->driver; - - int cache_lines = -1; - - if(i810c->DoneFrontAlloc) - return TRUE; - - memset(&(i810c->FbMemBox), 0, sizeof(BoxRec)); - /* Alloc FrontBuffer/Ring/Accel memory */ - i810c->FbMemBox.x1=0; - i810c->FbMemBox.x2=screen->width; - i810c->FbMemBox.y1=0; - i810c->FbMemBox.y2=screen->height; - - /* This could be made a command line option */ - cache_lines = 0; - - if(cache_lines >= 0) - i810c->FbMemBox.y2 += cache_lines; - else { - /* make sure there is enough for two DVD sized YUV buffers */ - i810c->FbMemBox.y2 += (screen->fb[0].depth == 24) ? 256 : 384; - if (screen->width <= 1024) - i810c->FbMemBox.y2 += (screen->fb[0].depth == 24) ? 256 : 384; - cache_lines = i810c->FbMemBox.y2 - screen->height; - } - - if (I810_DEBUG) - ErrorF("Adding %i scanlines for pixmap caching\n", cache_lines); - - /* Reserve room for the framebuffer and pixcache. Put at the top - * of memory so we can have nice alignment for the tiled regions at - * the start of memory. - */ - i810AllocLow( &(i810c->FrontBuffer), - &(i810c->SysMem), - ((i810c->FbMemBox.x2 * - i810c->FbMemBox.y2 * - i810c->cpp) + 4095) & ~4095); - - memset( &(i810c->LpRing), 0, sizeof( I810RingBuffer ) ); - if(i810AllocLow( &(i810c->LpRing.mem), &(i810c->SysMem), 16*4096 )) { - if (I810_DEBUG & DEBUG_VERBOSE_MEMORY) - ErrorF( "ring buffer at local %lx\n", - i810c->LpRing.mem.Start); - - i810c->LpRing.tail_mask = i810c->LpRing.mem.Size - 1; - i810c->LpRing.virtual_start = i810c->FbBase + i810c->LpRing.mem.Start; - i810c->LpRing.head = 0; - i810c->LpRing.tail = 0; - i810c->LpRing.space = 0; - } - - if ( i810AllocLow( &i810c->Scratch, &(i810c->SysMem), 64*1024 ) || - i810AllocLow( &i810c->Scratch, &(i810c->SysMem), 16*1024 ) ) { - if (I810_DEBUG & DEBUG_VERBOSE_MEMORY) - ErrorF("Allocated Scratch Memory\n"); - } - -#ifdef XV - /* 720x720 is just how much memory the mpeg player needs for overlays */ - - if ( i810AllocHigh( &i810c->XvMem, &(i810c->SysMem), 720*720*2 )) { - if (I810_DEBUG & DEBUG_VERBOSE_MEMORY) - ErrorF("Allocated overlay Memory\n"); - } -#endif - - i810c->DoneFrontAlloc = TRUE; - return TRUE; -} - -static Bool -i810MapMem(KdScreenInfo *screen) -{ - - KdCardInfo *card = screen->card; - I810CardInfo *i810c = (I810CardInfo *) card->driver; - - i810c->LpRing.virtual_start = i810c->FbBase + i810c->LpRing.mem.Start; - - return TRUE; -} - - -Bool -i810ScreenInit (KdScreenInfo *screen) -{ - KdCardInfo *card = screen->card; - I810CardInfo *i810c = (I810CardInfo *) card->driver; - I810ScreenInfo *i810s; - - int i; - - const KdMonitorTiming *t; - -/* fprintf(stderr,"i810ScreenInit\n"); */ - - i810s = (I810ScreenInfo *) xalloc (sizeof (I810ScreenInfo)); - if (!i810s) - return FALSE; - - memset (i810s, '\0', sizeof (I810ScreenInfo)); - - /* Default dimensions */ - if (!screen->width || !screen->height) - { - screen->width = 720; - screen->height = 576; - screen->rate = 52; -#if 0 - screen->width = 1024; - screen->height = 768; - screen->rate = 72; -#endif - } - - if (!screen->fb[0].depth) - screen->fb[0].depth = 16; - - t = KdFindMode (screen, i810ModeSupported); - - screen->rate = t->rate; - screen->width = t->horizontal; - screen->height = t->vertical; - - if (!KdTuneMode (screen, i810ModeUsable, i810ModeSupported)) - { - xfree (i810c); - return FALSE; - } - -/* fprintf(stderr,"Screen rate %d horiz %d vert %d\n",t->rate,t->horizontal,t->vertical); */ - - switch (screen->fb[0].depth) { - case 8: - screen->fb[0].visuals = ((1 << StaticGray) | - (1 << GrayScale) | - (1 << StaticColor) | - (1 << PseudoColor) | - (1 << TrueColor) | - (1 << DirectColor)); - screen->fb[0].blueMask = 0x00; - screen->fb[0].greenMask = 0x00; - screen->fb[0].redMask = 0x00; - break; - case 15: - screen->fb[0].visuals = (1 << TrueColor); - screen->fb[0].blueMask = 0x001f; - screen->fb[0].greenMask = 0x03e0; - screen->fb[0].redMask = 0x7c00; - - i810c->colorKey = 0x043f; - - break; - case 16: - screen->fb[0].visuals = (1 << TrueColor); - screen->fb[0].blueMask = 0x001f; - screen->fb[0].greenMask = 0x07e0; - screen->fb[0].redMask = 0xf800; - - i810c->colorKey = 0x083f; - - break; - case 24: - screen->fb[0].visuals = (1 << TrueColor); - screen->fb[0].blueMask = 0x0000ff; - screen->fb[0].greenMask = 0x00ff00; - screen->fb[0].redMask = 0xff0000; - - i810c->colorKey = 0x0101ff; - - break; - default: - fprintf(stderr,"Unsupported depth %d\n",screen->fb[0].depth); - return FALSE; - } - - - - /* Set all colours to black */ - for (i=0; i<768; i++) i810c->vga.ModeReg.DAC[i] = 0x00; - - /* ... and the overscan */ - if (screen->fb[0].depth >= 4) - i810c->vga.ModeReg.Attribute[OVERSCAN] = 0xFF; - - /* Could be made a command-line option */ - -#ifdef I810CFG_SHOW_OVERSCAN - i810c->vga.ModeReg.DAC[765] = 0x3F; - i810c->vga.ModeReg.DAC[766] = 0x00; - i810c->vga.ModeReg.DAC[767] = 0x3F; - i810c->vga.ModeReg.Attribute[OVERSCAN] = 0xFF; - i810c->vga.ShowOverscan = TRUE; -#else - i810c->vga.ShowOverscan = FALSE; -#endif - - i810c->vga.paletteEnabled = FALSE; - i810c->vga.cmapSaved = FALSE; - i810c->vga.MMIOBase = i810c->MMIOBase; - - i810c->cpp = screen->fb[0].bitsPerPixel/8; - - /* move to initscreen? */ - - switch (screen->fb[0].bitsPerPixel) { - case 8: - i810c->MaxClock = 203000; - break; - case 16: - i810c->MaxClock = 163000; - break; - case 24: - i810c->MaxClock = 136000; - break; - case 32: /* not supported */ - i810c->MaxClock = 86000; - default: - fprintf(stderr,"Unsupported bpp %d\n",screen->fb[0].bitsPerPixel); - return FALSE; - } - - if (!i810AllocateGARTMemory( screen )) { - return FALSE; - } - - i810AllocateFront(screen); - - /* Map LpRing memory */ - if (!i810MapMem(screen)) return FALSE; - - screen->fb[0].frameBuffer = i810c->FbBase; - - screen->driver = i810s; - - return TRUE; -} - -/* - * I810Save -- - * - * This function saves the video state. It reads all of the SVGA registers - * into the vgaI810Rec data structure. There is in general no need to - * mask out bits here - just read the registers. - */ -static void -DoSave(KdCardInfo *card, vgaRegPtr vgaReg, I810RegPtr i810Reg, Bool saveFonts) -{ - - I810CardInfo *i810c = card->driver; - i810VGAPtr vgap = &i810c->vga; - - int i; - - /* Save VGA registers */ - - vgaReg->MiscOutReg = mmioReadMiscOut(vgap); - if (vgaReg->MiscOutReg & 0x01) - vgap->IOBase = VGA_IOBASE_COLOR; - else - vgap->IOBase = VGA_IOBASE_MONO; - - for (i = 0; i < VGA_NUM_CRTC; i++) { - vgaReg->CRTC[i] = mmioReadCrtc(vgap, i); - } - - mmioEnablePalette(vgap); - for (i = 0; i < VGA_NUM_ATTR; i++) { - vgaReg->Attribute[i] = mmioReadAttr(vgap, i); - } - mmioDisablePalette(vgap); - - for (i = 0; i < VGA_NUM_GFX; i++) { - vgaReg->Graphics[i] = mmioReadGr(vgap, i); - } - - for (i = 1; i < VGA_NUM_SEQ; i++) { - vgaReg->Sequencer[i] = mmioReadSeq(vgap, i); - } - - /* - * The port I/O code necessary to read in the extended registers - * into the fields of the I810Rec structure goes here. - */ - i810Reg->IOControl = mmioReadCrtc(vgap, IO_CTNL); - i810Reg->AddressMapping = i810ReadControlMMIO(i810c, GRX, ADDRESS_MAPPING); - i810Reg->BitBLTControl = INREG8(BITBLT_CNTL); - i810Reg->VideoClk2_M = INREG16(VCLK2_VCO_M); - i810Reg->VideoClk2_N = INREG16(VCLK2_VCO_N); - i810Reg->VideoClk2_DivisorSel = INREG8(VCLK2_VCO_DIV_SEL); - - i810Reg->ExtVertTotal=mmioReadCrtc(vgap, EXT_VERT_TOTAL); - i810Reg->ExtVertDispEnd=mmioReadCrtc(vgap, EXT_VERT_DISPLAY); - i810Reg->ExtVertSyncStart=mmioReadCrtc(vgap, EXT_VERT_SYNC_START); - i810Reg->ExtVertBlankStart=mmioReadCrtc(vgap, EXT_VERT_BLANK_START); - i810Reg->ExtHorizTotal=mmioReadCrtc(vgap, EXT_HORIZ_TOTAL); - i810Reg->ExtHorizBlank=mmioReadCrtc(vgap, EXT_HORIZ_BLANK); - i810Reg->ExtOffset=mmioReadCrtc(vgap, EXT_OFFSET); - i810Reg->InterlaceControl=mmioReadCrtc(vgap, INTERLACE_CNTL); - - i810Reg->PixelPipeCfg0 = INREG8(PIXPIPE_CONFIG_0); - i810Reg->PixelPipeCfg1 = INREG8(PIXPIPE_CONFIG_1); - i810Reg->PixelPipeCfg2 = INREG8(PIXPIPE_CONFIG_2); - i810Reg->DisplayControl = INREG8(DISPLAY_CNTL); - i810Reg->LMI_FIFO_Watermark = INREG(FWATER_BLC); - - for (i = 0 ; i < 8 ; i++) - i810Reg->Fence[i] = INREG(FENCE+i*4); - - i810Reg->LprbTail = INREG(LP_RING + RING_TAIL); - i810Reg->LprbHead = INREG(LP_RING + RING_HEAD); - i810Reg->LprbStart = INREG(LP_RING + RING_START); - i810Reg->LprbLen = INREG(LP_RING + RING_LEN); - - if ((i810Reg->LprbTail & TAIL_ADDR) != (i810Reg->LprbHead & HEAD_ADDR) && - i810Reg->LprbLen & RING_VALID) { - i810PrintErrorState( card ); - FatalError( "Active ring not flushed\n"); - } - - if (I810_DEBUG) { - fprintf(stderr,"Got mode in I810Save:\n"); - i810PrintMode( vgaReg, i810Reg ); - } -} - -void i810Preserve(KdCardInfo *card) { - I810CardInfo *i810c = card->driver; - i810VGAPtr vgap = &i810c->vga; - -/* fprintf(stderr,"i810Preserve\n"); */ - DoSave(card, &vgap->SavedReg, &i810c->SavedReg, TRUE); -} - -/* Famous last words - */ -void -i810PrintErrorState(KdCardInfo *card) -{ - - I810CardInfo *i810c = card->driver; - - fprintf(stderr, "pgetbl_ctl: 0x%lx pgetbl_err: 0x%lx\n", - INREG(PGETBL_CTL), - INREG(PGE_ERR)); - - fprintf(stderr, "ipeir: %lx iphdr: %lx\n", - INREG(IPEIR), - INREG(IPEHR)); - - fprintf(stderr, "LP ring tail: %lx head: %lx len: %lx start %lx\n", - INREG(LP_RING + RING_TAIL), - INREG(LP_RING + RING_HEAD) & HEAD_ADDR, - INREG(LP_RING + RING_LEN), - INREG(LP_RING + RING_START)); - - fprintf(stderr, "eir: %x esr: %x emr: %x\n", - INREG16(EIR), - INREG16(ESR), - INREG16(EMR)); - - fprintf(stderr, "instdone: %x instpm: %x\n", - INREG16(INST_DONE), - INREG8(INST_PM)); - - fprintf(stderr, "memmode: %lx instps: %lx\n", - INREG(MEMMODE), - INREG(INST_PS)); - - fprintf(stderr, "hwstam: %x ier: %x imr: %x iir: %x\n", - INREG16(HWSTAM), - INREG16(IER), - INREG16(IMR), - INREG16(IIR)); -} - -Bool -i810BindGARTMemory( KdScreenInfo *screen ) -{ - - KdCardInfo *card = screen->card; - I810CardInfo *i810c = card->driver; - - if (!i810c->GttBound) { - if (!KdAcquireGART(screen->mynum)) - return FALSE; - if (!KdBindGARTMemory(screen->mynum, i810c->VramKey, - i810c->VramOffset)) - - return FALSE; - if (i810c->DcacheKey != -1) { - if (!KdBindGARTMemory(screen->mynum, i810c->DcacheKey, - i810c->DcacheOffset)) - return FALSE; - } - if (i810c->HwcursKey != -1) { - if (!KdBindGARTMemory(screen->mynum, i810c->HwcursKey, - i810c->HwcursOffset)) - return FALSE; - } - i810c->GttBound = 1; - } - return TRUE; -} - -Bool -i810UnbindGARTMemory(KdScreenInfo *screen) -{ - KdCardInfo *card = screen->card; - I810CardInfo *i810c = card->driver; - - - if (KdAgpGARTSupported() && i810c->GttBound) { - if (!KdUnbindGARTMemory(screen->mynum, i810c->VramKey)) - return FALSE; - if (i810c->DcacheKey != -1) { - if (!KdUnbindGARTMemory(screen->mynum, i810c->DcacheKey)) - return FALSE; - } - if (i810c->HwcursKey != -1) { - if (!KdUnbindGARTMemory(screen->mynum, i810c->HwcursKey)) - return FALSE; - } - if (!KdReleaseGART(screen->mynum)) - return FALSE; - i810c->GttBound = 0; - } - return TRUE; -} - -/* - * I810CalcVCLK -- - * - * Determine the closest clock frequency to the one requested. - */ - -#define MAX_VCO_FREQ 600.0 -#define TARGET_MAX_N 30 -#define REF_FREQ 24.0 - -#define CALC_VCLK(m,n,p) \ - (double)m / ((double)n * (1 << p)) * 4 * REF_FREQ - -static void -i810CalcVCLK( KdScreenInfo *screen, double freq ) -{ - - KdCardInfo *card = screen->card; - I810CardInfo *i810c = card->driver; - I810RegPtr i810Reg = &i810c->ModeReg; - - int m, n, p; - double f_out, f_best; - double f_err; - double f_vco; - int m_best = 0, n_best = 0, p_best = 0; - double f_target = freq; - double err_max = 0.005; - double err_target = 0.001; - double err_best = 999999.0; - - p_best = p = log(MAX_VCO_FREQ/f_target)/log((double)2); - f_vco = f_target * (1 << p); - - n = 2; - do { - n++; - m = f_vco / (REF_FREQ / (double)n) / (double)4.0 + 0.5; - if (m < 3) m = 3; - f_out = CALC_VCLK(m,n,p); - f_err = 1.0 - (f_target/f_out); - if (fabs(f_err) < err_max) { - m_best = m; - n_best = n; - f_best = f_out; - err_best = f_err; - } - } while ((fabs(f_err) >= err_target) && - ((n <= TARGET_MAX_N) || (fabs(err_best) > err_max))); - - if (fabs(f_err) < err_target) { - m_best = m; - n_best = n; - } - - i810Reg->VideoClk2_M = (m_best-2) & 0x3FF; - i810Reg->VideoClk2_N = (n_best-2) & 0x3FF; - i810Reg->VideoClk2_DivisorSel = (p_best << 4); - -/* fprintf(stderr, "Setting dot clock to %.1f MHz " */ -/* "[ 0x%x 0x%x 0x%x ] " */ -/* "[ %d %d %d ]\n", */ -/* CALC_VCLK(m_best,n_best,p_best), */ -/* i810Reg->VideoClk2_M, */ -/* i810Reg->VideoClk2_N, */ -/* i810Reg->VideoClk2_DivisorSel, */ -/* m_best, n_best, p_best); */ -} - -/* - * I810CalcFIFO -- - * - * Calculate burst length and FIFO watermark. - */ - -#define Elements(x) (sizeof(x)/sizeof(*x)) - -unsigned int -i810CalcWatermark( KdScreenInfo *screen, double freq, Bool dcache ) -{ - - KdCardInfo *card = screen->card; - I810CardInfo *i810c = card->driver; - - - struct wm_info *tab; - int nr; - int i; - - if (i810c->LmFreqSel == 100) { - switch(screen->fb[0].bitsPerPixel) { - case 8: - tab = i810_wm_8_100; - nr = Elements(i810_wm_8_100); - break; - case 16: - tab = i810_wm_16_100; - nr = Elements(i810_wm_16_100); - break; - case 24: - tab = i810_wm_24_100; - nr = Elements(i810_wm_24_100); - break; - default: - return 0; - } - } else { - switch(screen->fb[0].bitsPerPixel) { - case 8: - tab = i810_wm_8_133; - nr = Elements(i810_wm_8_133); - break; - case 16: - tab = i810_wm_16_133; - nr = Elements(i810_wm_16_133); - break; - case 24: - tab = i810_wm_24_133; - nr = Elements(i810_wm_24_133); - break; - default: - return 0; - } - } - - for (i = 0 ; i < nr && tab[i].freq < freq ; i++); - - if (i == nr) - i--; - -/* fprintf(stderr,"chose watermark 0x%x: (tab.freq %.1f)\n", */ -/* tab[i].wm, tab[i].freq); */ - - /* None of these values (sourced from intel) have watermarks for - * the dcache memory. Fake it for now by using the same watermark - * for both... - * - * Update: this is probably because dcache isn't real useful as - * framebuffer memory, so intel's drivers don't need watermarks - * for that memory because they never use it to feed the ramdacs. - * We do use it in the fallback mode, so keep the watermarks for - * now. - */ - if (dcache) - return (tab[i].wm & ~0xffffff) | ((tab[i].wm>>12) & 0xfff); - else - return tab[i].wm; -} - -static void i810PrintMode( vgaRegPtr vgaReg, I810RegPtr mode ) -{ - int i; - - fprintf(stderr," MiscOut: %x\n", vgaReg->MiscOutReg); - - - fprintf(stderr,"SEQ: "); - for (i = 0 ; i < VGA_NUM_SEQ ; i++) { - if ((i&7)==0) fprintf(stderr,"\n"); - fprintf(stderr," %d: %x", i, vgaReg->Sequencer[i]); - } - fprintf(stderr,"\n"); - - fprintf(stderr,"CRTC: "); - for (i = 0 ; i < VGA_NUM_CRTC ; i++) { - if ((i&3)==0) fprintf(stderr,"\n"); - fprintf(stderr," CR%02x: %2x", i, vgaReg->CRTC[i]); - } - fprintf(stderr,"\n"); - - fprintf(stderr,"GFX: "); - for (i = 0 ; i < VGA_NUM_GFX ; i++) { - if ((i&3)==0) fprintf(stderr,"\n"); - fprintf(stderr," GR%02x: %02x", i, vgaReg->Graphics[i]); - } - fprintf(stderr,"\n"); - - fprintf(stderr,"ATTR: "); - for (i = 0 ; i < VGA_NUM_ATTR ; i++) { - if ((i&7)==0) fprintf(stderr,"\n"); - fprintf(stderr," %d: %x", i, vgaReg->Attribute[i]); - } - fprintf(stderr,"\n"); - - - fprintf(stderr," DisplayControl: %x\n", mode->DisplayControl); - fprintf(stderr," PixelPipeCfg0: %x\n", mode->PixelPipeCfg0); - fprintf(stderr," PixelPipeCfg1: %x\n", mode->PixelPipeCfg1); - fprintf(stderr," PixelPipeCfg2: %x\n", mode->PixelPipeCfg2); - fprintf(stderr," VideoClk2_M: %x\n", mode->VideoClk2_M); - fprintf(stderr," VideoClk2_N: %x\n", mode->VideoClk2_N); - fprintf(stderr," VideoClk2_DivisorSel: %x\n", mode->VideoClk2_DivisorSel); - fprintf(stderr," AddressMapping: %x\n", mode->AddressMapping); - fprintf(stderr," IOControl: %x\n", mode->IOControl); - fprintf(stderr," BitBLTControl: %x\n", mode->BitBLTControl); - fprintf(stderr," ExtVertTotal: %x\n", mode->ExtVertTotal); - fprintf(stderr," ExtVertDispEnd: %x\n", mode->ExtVertDispEnd); - fprintf(stderr," ExtVertSyncStart: %x\n", mode->ExtVertSyncStart); - fprintf(stderr," ExtVertBlankStart: %x\n", mode->ExtVertBlankStart); - fprintf(stderr," ExtHorizTotal: %x\n", mode->ExtHorizTotal); - fprintf(stderr," ExtHorizBlank: %x\n", mode->ExtHorizBlank); - fprintf(stderr," ExtOffset: %x\n", mode->ExtOffset); - fprintf(stderr," InterlaceControl: %x\n", mode->InterlaceControl); - fprintf(stderr," LMI_FIFO_Watermark: %x\n", mode->LMI_FIFO_Watermark); - fprintf(stderr," LprbTail: %x\n", mode->LprbTail); - fprintf(stderr," LprbHead: %x\n", mode->LprbHead); - fprintf(stderr," LprbStart: %x\n", mode->LprbStart); - fprintf(stderr," LprbLen: %x\n", mode->LprbLen); - fprintf(stderr," OverlayActiveStart: %x\n", mode->OverlayActiveStart); - fprintf(stderr," OverlayActiveEnd: %x\n", mode->OverlayActiveEnd); -} - - -/* - * i810VGASeqReset - * perform a sequencer reset. - * - * The i815 documentation states that these bits are not used by the - * HW, but still warns about not programming them... - */ - -void -i810VGASeqReset(i810VGAPtr vgap, Bool start) -{ - if (start) - { - mmioWriteSeq(vgap, 0x00, 0x01); /* Synchronous Reset */ - } - else - { - mmioWriteSeq(vgap, 0x00, 0x03); /* End Reset */ - } -} - -void -i810VGAProtect(KdCardInfo *card, Bool on) -{ - - I810CardInfo *i810c = card->driver; - i810VGAPtr vgap = &i810c->vga; - - unsigned char tmp; - - if (on) { - /* - * Turn off screen and disable sequencer. - */ - tmp = mmioReadSeq(vgap, 0x01); - - i810VGASeqReset(vgap, TRUE); /* start synchronous reset */ - mmioWriteSeq(vgap, 0x01, tmp | 0x20); /* disable the display */ - - mmioEnablePalette(vgap); - } else { - /* - * Reenable sequencer, then turn on screen. - */ - - tmp = mmioReadSeq(vgap, 0x01); - - mmioWriteSeq(vgap, 0x01, tmp & ~0x20); /* reenable display */ - i810VGASeqReset(vgap, FALSE); /* clear synchronousreset */ - - mmioDisablePalette(vgap); - } -} - -/* - * i810VGABlankScreen -- blank the screen. - */ - -void -i810VGABlankScreen(KdCardInfo *card, Bool on) -{ - I810CardInfo *i810c = card->driver; - i810VGAPtr vgap = &i810c->vga; - - unsigned char scrn; - - scrn = mmioReadSeq(vgap, 0x01); - - if (on) { - scrn &= ~0x20; /* enable screen */ - } else { - scrn |= 0x20; /* blank screen */ - } - - mmioWriteSeq(vgap,0x00,0x01); - mmioWriteSeq(vgap, 0x01, scrn); /* change mode */ - mmioWriteSeq(vgap,0x00,0x03); -} - -/* Restore hardware state */ - -static void -DoRestore(KdCardInfo *card, vgaRegPtr vgaReg, I810RegPtr i810Reg, - Bool restoreFonts) { - - - I810CardInfo *i810c = card->driver; - - i810VGAPtr vgap = &i810c->vga; - - unsigned char temp; - unsigned int itemp; - int i; - - if (I810_DEBUG & DEBUG_VERBOSE_VGA) { - fprintf(stderr,"Setting mode in DoRestore:\n"); - i810PrintMode( vgaReg, i810Reg ); - } - - /* Blank screen (i810vgaprotect) */ - i810VGAProtect(card, TRUE); - - /* Should wait for at least two hsync and no more than two vsync - before writing PIXCONF and turning the display on (?) */ - usleep(50000); - - /* Turn off DRAM Refresh */ - temp = INREG8( DRAM_ROW_CNTL_HI ); - temp &= ~DRAM_REFRESH_RATE; - temp |= DRAM_REFRESH_DISABLE; - OUTREG8( DRAM_ROW_CNTL_HI, temp ); - - usleep(1000); /* Wait 1 ms */ - - /* Write the M, N and P values */ - OUTREG16( VCLK2_VCO_M, i810Reg->VideoClk2_M); - OUTREG16( VCLK2_VCO_N, i810Reg->VideoClk2_N); - OUTREG8( VCLK2_VCO_DIV_SEL, i810Reg->VideoClk2_DivisorSel); - - /* - * Turn on 8 bit dac mode, if requested. This is needed to make - * sure that vgaHWRestore writes the values into the DAC properly. - * The problem occurs if 8 bit dac mode is requested and the HW is - * in 6 bit dac mode. If this happens, all the values are - * automatically shifted left twice by the HW and incorrect colors - * will be displayed on the screen. The only time this can happen - * is at server startup time and when switching back from a VT. - */ - temp = INREG8(PIXPIPE_CONFIG_0); - temp &= 0x7F; /* Save all but the 8 bit dac mode bit */ - temp |= (i810Reg->PixelPipeCfg0 & DAC_8_BIT); - OUTREG8( PIXPIPE_CONFIG_0, temp ); - - /* - * Code to restore any SVGA registers that have been saved/modified - * goes here. Note that it is allowable, and often correct, to - * only modify certain bits in a register by a read/modify/write cycle. - * - * A special case - when using an external clock-setting program, - * this function must not change bits associated with the clock - * selection. This condition can be checked by the condition: - * - * if (i810Reg->std.NoClock >= 0) - * restore clock-select bits. - */ - - /* VGA restore */ - if (vgaReg->MiscOutReg & 0x01) - vgap->IOBase = VGA_IOBASE_COLOR; - else - vgap->IOBase = VGA_IOBASE_MONO; - - mmioWriteMiscOut(vgap, vgaReg->MiscOutReg); - - for (i = 1; i < VGA_NUM_SEQ; i++) - mmioWriteSeq(vgap, i, vgaReg->Sequencer[i]); - - /* Ensure CRTC registers 0-7 are unlocked by clearing bit 7 or CRTC[17] */ - /* = CR11 */ - mmioWriteCrtc(vgap, 17, vgaReg->CRTC[17] & ~0x80); - - for (i = 0; i < VGA_NUM_CRTC; i++) { - mmioWriteCrtc(vgap, i, vgaReg->CRTC[i]); - } - - for (i = 0; i < VGA_NUM_GFX; i++) - mmioWriteGr(vgap, i, vgaReg->Graphics[i]); - - mmioEnablePalette(vgap); - for (i = 0; i < VGA_NUM_ATTR; i++) - mmioWriteAttr(vgap, i, vgaReg->Attribute[i]); - mmioDisablePalette(vgap); - - - mmioWriteCrtc(vgap, EXT_VERT_TOTAL, i810Reg->ExtVertTotal); - mmioWriteCrtc(vgap, EXT_VERT_DISPLAY, i810Reg->ExtVertDispEnd); - mmioWriteCrtc(vgap, EXT_VERT_SYNC_START, i810Reg->ExtVertSyncStart); - mmioWriteCrtc(vgap, EXT_VERT_BLANK_START, i810Reg->ExtVertBlankStart); - mmioWriteCrtc(vgap, EXT_HORIZ_TOTAL, i810Reg->ExtHorizTotal); - mmioWriteCrtc(vgap, EXT_HORIZ_BLANK, i810Reg->ExtHorizBlank); - - /* write CR40, CR42 first etc to get CR13 written as described in PRM */ - - mmioWriteCrtc(vgap, EXT_START_ADDR_HI, 0); - mmioWriteCrtc(vgap, EXT_START_ADDR, EXT_START_ADDR_ENABLE); - - mmioWriteCrtc(vgap, EXT_OFFSET, i810Reg->ExtOffset); - mmioWriteCrtc(vgap, 0x13, vgaReg->CRTC[0x13]); - - temp=mmioReadCrtc(vgap, INTERLACE_CNTL); - temp &= ~INTERLACE_ENABLE; - temp |= i810Reg->InterlaceControl; - mmioWriteCrtc(vgap, INTERLACE_CNTL, temp); - - temp=i810ReadControlMMIO(i810c, GRX, ADDRESS_MAPPING); - temp &= 0xE0; /* Save reserved bits 7:5 */ - temp |= i810Reg->AddressMapping; - i810WriteControlMMIO(i810c, GRX, ADDRESS_MAPPING, temp); - - /* Setting the OVRACT Register for video overlay*/ - OUTREG(0x6001C, (i810Reg->OverlayActiveEnd << 16) | i810Reg->OverlayActiveStart); - - /* Turn on DRAM Refresh */ - temp = INREG8( DRAM_ROW_CNTL_HI ); - temp &= ~DRAM_REFRESH_RATE; - temp |= DRAM_REFRESH_60HZ; - OUTREG8( DRAM_ROW_CNTL_HI, temp ); - - temp = INREG8( BITBLT_CNTL ); - temp &= ~COLEXP_MODE; - temp |= i810Reg->BitBLTControl; - OUTREG8( BITBLT_CNTL, temp ); - - temp = INREG8( DISPLAY_CNTL ); - temp &= ~(VGA_WRAP_MODE | GUI_MODE); - temp |= i810Reg->DisplayControl; - OUTREG8( DISPLAY_CNTL, temp ); - - - temp = INREG8( PIXPIPE_CONFIG_0 ); - temp &= 0x64; /* Save reserved bits 6:5,2 */ - temp |= i810Reg->PixelPipeCfg0; - OUTREG8( PIXPIPE_CONFIG_0, temp ); - - temp = INREG8( PIXPIPE_CONFIG_2 ); - temp &= 0xF3; /* Save reserved bits 7:4,1:0 */ - temp |= i810Reg->PixelPipeCfg2; - OUTREG8( PIXPIPE_CONFIG_2, temp ); - - temp = INREG8( PIXPIPE_CONFIG_1 ); - temp &= ~DISPLAY_COLOR_MODE; - temp &= 0xEF; /* Restore the CRT control bit */ - temp |= i810Reg->PixelPipeCfg1; - OUTREG8( PIXPIPE_CONFIG_1, temp ); - - OUTREG16(EIR, 0); - - itemp = INREG(FWATER_BLC); - itemp &= ~(LM_BURST_LENGTH | LM_FIFO_WATERMARK | - MM_BURST_LENGTH | MM_FIFO_WATERMARK ); - itemp |= i810Reg->LMI_FIFO_Watermark; - OUTREG(FWATER_BLC, itemp); - - - for (i = 0 ; i < 8 ; i++) { - OUTREG( FENCE+i*4, i810Reg->Fence[i] ); - if (I810_DEBUG & DEBUG_VERBOSE_VGA) - fprintf(stderr,"Fence Register : %x\n", i810Reg->Fence[i]); - } - - /* First disable the ring buffer (Need to wait for empty first?, if so - * should probably do it before entering this section) - */ - itemp = INREG(LP_RING + RING_LEN); - itemp &= ~RING_VALID_MASK; - OUTREG(LP_RING + RING_LEN, itemp ); - - /* Set up the low priority ring buffer. - */ - OUTREG(LP_RING + RING_TAIL, 0 ); - OUTREG(LP_RING + RING_HEAD, 0 ); - - i810c->LpRing.head = 0; - i810c->LpRing.tail = 0; - - itemp = INREG(LP_RING + RING_START); - itemp &= ~(START_ADDR); - itemp |= i810Reg->LprbStart; - OUTREG(LP_RING + RING_START, itemp ); - - itemp = INREG(LP_RING + RING_LEN); - itemp &= ~(RING_NR_PAGES | RING_REPORT_MASK | RING_VALID_MASK); - itemp |= i810Reg->LprbLen; - OUTREG(LP_RING + RING_LEN, itemp ); - - i810VGAProtect(card, FALSE); - - temp=mmioReadCrtc(vgap, IO_CTNL); - temp &= ~(EXTENDED_ATTR_CNTL | EXTENDED_CRTC_CNTL); - temp |= i810Reg->IOControl; - mmioWriteCrtc(vgap, IO_CTNL, temp); - /* Protect CRTC[0-7] */ - mmioWriteCrtc(vgap, 0x11, mmioReadCrtc(vgap, 0x11) | 0x80); -} - - -static Bool -i810SetMode(KdScreenInfo *screen, const KdMonitorTiming *t) -{ - - KdCardInfo *card = screen->card; - I810CardInfo *i810c = card->driver; - i810VGAPtr vgap = &i810c->vga; - - I810RegPtr i810Reg = &i810c->ModeReg; - vgaRegPtr pVga = &vgap->ModeReg; - - double dclk = t->clock/1000.0; - - switch (screen->fb[0].bitsPerPixel) { - case 8: - pVga->CRTC[0x13] = screen->width >> 3; - i810Reg->ExtOffset = screen->width >> 11; - i810Reg->PixelPipeCfg1 = DISPLAY_8BPP_MODE; - i810Reg->BitBLTControl = COLEXP_8BPP; - break; - case 16: - i810Reg->PixelPipeCfg1 = DISPLAY_16BPP_MODE; - pVga->CRTC[0x13] = screen->width >> 2; - i810Reg->ExtOffset = screen->width >> 10; - i810Reg->BitBLTControl = COLEXP_16BPP; - break; - case 24: - pVga->CRTC[0x13] = (screen->width * 3) >> 3; - i810Reg->ExtOffset = (screen->width * 3) >> 11; - - i810Reg->PixelPipeCfg1 = DISPLAY_24BPP_MODE; - i810Reg->BitBLTControl = COLEXP_24BPP; - break; - default: - break; - } - - i810Reg->PixelPipeCfg0 = DAC_8_BIT; - - /* Do not delay CRT Blank: needed for video overlay */ - i810Reg->PixelPipeCfg1 |= 0x10; - - /* Turn on Extended VGA Interpretation */ - i810Reg->IOControl = EXTENDED_CRTC_CNTL; - - /* Turn on linear and page mapping */ - i810Reg->AddressMapping = (LINEAR_MODE_ENABLE | - GTT_MEM_MAP_ENABLE); - - /* Turn on GUI mode */ - i810Reg->DisplayControl = HIRES_MODE; - - i810Reg->OverlayActiveStart = t->horizontal + t->hblank - 32; - i810Reg->OverlayActiveEnd = t->horizontal - 32; - - /* Turn on interlaced mode if necessary (it's not) */ - i810Reg->InterlaceControl = INTERLACE_DISABLE; - - /* - * Set the overscan color to 0. - * NOTE: This only affects >8bpp mode. - */ - pVga->Attribute[0x11] = 0; - - /* - * Calculate the VCLK that most closely matches the requested dot - * clock. - */ - i810CalcVCLK(screen, dclk); - - /* Since we program the clocks ourselves, always use VCLK2. */ - pVga->MiscOutReg |= 0x0C; - - /* Calculate the FIFO Watermark and Burst Length. */ - i810Reg->LMI_FIFO_Watermark = i810CalcWatermark(screen, dclk, FALSE); - - /* Setup the ring buffer */ - i810Reg->LprbTail = 0; - i810Reg->LprbHead = 0; - i810Reg->LprbStart = i810c->LpRing.mem.Start; - - if (i810Reg->LprbStart) - i810Reg->LprbLen = ((i810c->LpRing.mem.Size-4096) | - RING_NO_REPORT | RING_VALID); - else - i810Reg->LprbLen = RING_INVALID; - - return TRUE; -} - -static Bool -i810ModeInit(KdScreenInfo *screen, const KdMonitorTiming *t) -{ - - KdCardInfo *card = screen->card; - I810CardInfo *i810c = card->driver; - i810VGAPtr vgap = &i810c->vga; - vgaRegPtr pVga; - -/* fprintf(stderr,"i810ModeInit\n"); */ - - i810VGAUnlock(vgap); - - if (!i810VGAInit(screen, t)) return FALSE; - pVga = &vgap->ModeReg; - - if (!i810SetMode(screen, t)) return FALSE; - - DoRestore(screen->card, &vgap->ModeReg, &i810c->ModeReg, FALSE); - - return TRUE; -} - -Bool -i810VGAInit(KdScreenInfo *screen, const KdMonitorTiming *t) -{ - unsigned int i; - - int hactive, hblank, hbp, hfp; - int vactive, vblank, vbp, vfp; - int h_screen_off, h_adjust, h_total, h_display_end, h_blank_start; - int h_blank_end, h_sync_start, h_sync_end, v_total, v_retrace_start; - int v_retrace_end, v_display_end, v_blank_start, v_blank_end; - - KdCardInfo *card = screen->card; - I810CardInfo *i810c = card->driver; - - i810VGAPtr vgap = &i810c->vga; - I810RegPtr ireg = &i810c->ModeReg; - - - vgaRegPtr regp; - int depth = screen->fb[0].depth; - - regp = &vgap->ModeReg; - - /* - * compute correct Hsync & Vsync polarity - */ - - regp->MiscOutReg = 0x23; - if (t->vpol == KdSyncNegative) regp->MiscOutReg |= 0x40; - if (t->hpol == KdSyncNegative) regp->MiscOutReg |= 0x80; - - /* - * Time Sequencer - */ - if (depth == 4) - regp->Sequencer[0] = 0x02; - else - regp->Sequencer[0] = 0x00; - /* No support for 320 or 360 x resolution */ - regp->Sequencer[1] = 0x01; - - if (depth == 1) - regp->Sequencer[2] = 1 << BIT_PLANE; - else - regp->Sequencer[2] = 0x0F; - - regp->Sequencer[3] = 0x00; /* Font select */ - - if (depth < 8) - regp->Sequencer[4] = 0x06; /* Misc */ - else - regp->Sequencer[4] = 0x0E; /* Misc */ - - hactive = t->horizontal; - hblank = t->hblank; - hbp = t->hbp; - hfp = t->hfp; - - vactive = t->vertical; - vblank = t->vblank; - vbp = t->vbp; - vfp = t->vfp; - - switch (screen->fb[0].bitsPerPixel) { - case 8: - hactive /= 8; - hblank /= 8; - hfp /= 8; - hbp /= 8; - h_screen_off = hactive; - h_adjust = 1; - break; - case 16: - hactive /= 8; - hblank /= 8; - hfp /= 8; - hbp /= 8; - - h_screen_off = hactive * 2; - h_adjust = 1; - break; - case 24: - hactive /= 8; - hblank /= 8; - hfp /= 8; - hbp /= 8; - - h_screen_off = hactive * 3; - h_adjust = 1; - break; - case 32: - hactive /= 8; - hblank /= 8; - hfp /= 8; - hbp /= 8; - - h_screen_off = hactive * 4; - h_adjust = 1; - break; - } - - /* - * Compute horizontal register values from timings - */ - h_total = hactive + hblank - 5; - h_display_end = hactive - 1; - h_blank_start = h_display_end; - h_blank_end = h_blank_start + hblank; - - h_sync_start = hactive + hfp + h_adjust; - h_sync_end = h_sync_start + hblank - hbp - hfp; - - /* Set CRTC regs for horizontal timings */ - regp->CRTC[0x0] = h_total; - ireg->ExtHorizTotal=(h_total & 0x100) >> 8; - - regp->CRTC[0x1] = h_display_end; - - regp->CRTC[0x2] = h_blank_start; - - regp->CRTC[0x3] = 0x80 | (h_blank_end & 0x1f); - regp->CRTC[0x5] = (h_blank_end & 0x20) << 2; - - regp->CRTC[0x4] = h_sync_start; - - regp->CRTC[0x5] |= h_sync_end & 0x1f; - - regp->CRTC[0x13] = h_screen_off; - ireg->ExtOffset = h_screen_off >> 8; - - /* Compute vertical timings */ - v_total = vactive + vblank - 2; - v_retrace_start = vactive + vfp - 1; - v_retrace_end = v_retrace_start + vblank - vbp - vfp; - v_display_end = vactive - 1; - v_blank_start = vactive - 1; - v_blank_end = v_blank_start + vblank /* - 1 */; - - regp->CRTC[0x6] = v_total; - ireg->ExtVertTotal = v_total >> 8; - - regp->CRTC[0x10] = v_retrace_start; - ireg->ExtVertSyncStart = v_retrace_start >> 8; - - regp->CRTC[0x11] = v_retrace_end; - - regp->CRTC[0x12] = v_display_end; - ireg->ExtVertDispEnd = v_display_end >> 8; - - regp->CRTC[0x15] = v_blank_start; - ireg->ExtVertBlankStart = v_blank_start >> 8; - - regp->CRTC[0x16] = v_blank_end; - - if (depth < 8) - regp->CRTC[23] = 0xE3; - else - regp->CRTC[23] = 0xC3; - regp->CRTC[24] = 0xFF; - - /* - * Graphics Display Controller - */ - regp->Graphics[0] = 0x00; - regp->Graphics[1] = 0x00; - regp->Graphics[2] = 0x00; - regp->Graphics[3] = 0x00; - if (depth == 1) { - regp->Graphics[4] = BIT_PLANE; - regp->Graphics[5] = 0x00; - } else { - regp->Graphics[4] = 0x00; - if (depth == 4) - regp->Graphics[5] = 0x02; - else - regp->Graphics[5] = 0x40; - } - regp->Graphics[6] = 0x05; - regp->Graphics[7] = 0x0F; - regp->Graphics[8] = 0xFF; - - if (depth == 1) { - /* Initialise the Mono map according to which bit-plane gets used */ - - Bool flipPixels = FALSE; /* maybe support this in the future? */ - - for (i=0; i<16; i++) - if (((i & (1 << BIT_PLANE)) != 0) != flipPixels) - regp->Attribute[i] = WHITE_VALUE; - else - regp->Attribute[i] = BLACK_VALUE; - - regp->Attribute[16] = 0x01; /* -VGA2- */ - if (!vgap->ShowOverscan) - regp->Attribute[OVERSCAN] = OVERSCAN_VALUE; /* -VGA2- */ - } else { - regp->Attribute[0] = 0x00; /* standard colormap translation */ - regp->Attribute[1] = 0x01; - regp->Attribute[2] = 0x02; - regp->Attribute[3] = 0x03; - regp->Attribute[4] = 0x04; - regp->Attribute[5] = 0x05; - regp->Attribute[6] = 0x06; - regp->Attribute[7] = 0x07; - regp->Attribute[8] = 0x08; - regp->Attribute[9] = 0x09; - regp->Attribute[10] = 0x0A; - regp->Attribute[11] = 0x0B; - regp->Attribute[12] = 0x0C; - regp->Attribute[13] = 0x0D; - regp->Attribute[14] = 0x0E; - regp->Attribute[15] = 0x0F; - if (depth == 4) - regp->Attribute[16] = 0x81; - else - regp->Attribute[16] = 0x41; - /* Attribute[17] (overscan) was initialised earlier */ - } - regp->Attribute[18] = 0x0F; - regp->Attribute[19] = 0x00; - regp->Attribute[20] = 0x00; - - return(TRUE); -} - -void -i810VGALock(i810VGAPtr vgap) -{ - /* Protect CRTC[0-7] */ - mmioWriteCrtc(vgap, 0x11, mmioReadCrtc(vgap, 0x11) & ~0x80); -} - -void -i810VGAUnlock(i810VGAPtr vgap) -{ - /* Unprotect CRTC[0-7] */ - mmioWriteCrtc(vgap, 0x11, mmioReadCrtc(vgap, 0x11) | 0x80); -} - -static void -i810Restore(KdCardInfo *card) { - - I810CardInfo *i810c = card->driver; - - i810VGAPtr vgap = &i810c->vga; - - if (I810_DEBUG) - fprintf(stderr,"i810Restore\n"); - - DoRestore(card, &vgap->SavedReg, &i810c->SavedReg, TRUE); -} - -Bool -i810Enable (ScreenPtr pScreen) -{ - KdScreenPriv(pScreen); - KdScreenInfo *screen = pScreenPriv->screen; - KdCardInfo *card = pScreenPriv->card; - I810CardInfo *i810c = card->driver; - i810VGAPtr vgap = &i810c->vga; - const KdMonitorTiming *t; - - if (I810_DEBUG) - fprintf(stderr,"i810Enable\n"); - - vgap->IOBase = (mmioReadMiscOut(vgap) & 0x01) ? - VGA_IOBASE_COLOR : VGA_IOBASE_MONO; - - { - I810RegPtr i810Reg = &i810c->ModeReg; - int i; - - for (i = 0 ; i < 8 ; i++) - i810Reg->Fence[i] = 0; - } - - t = KdFindMode (screen, i810ModeSupported); - - if (!i810BindGARTMemory(screen)) - return FALSE; - - if (!i810ModeInit(screen, t)) return FALSE; - - { - /* DPMS power on state */ - - unsigned char SEQ01=0; - int DPMSSyncSelect=0; - - SEQ01 = 0x00; - DPMSSyncSelect = HSYNC_ON | VSYNC_ON; - - SEQ01 |= i810ReadControlMMIO(i810c, SRX, 0x01) & ~0x20; - i810WriteControlMMIO(i810c, SRX, 0x01, SEQ01); - - /* Set the DPMS mode */ - OUTREG8(DPMS_SYNC_SELECT, DPMSSyncSelect); - } -#ifdef XV - KdXVEnable (pScreen); -#endif - return TRUE; -} - - -void -i810Disable(ScreenPtr pScreen) { - - KdScreenPriv(pScreen); - KdScreenInfo *screen = pScreenPriv->screen; - KdCardInfo *card = pScreenPriv->card; - I810CardInfo *i810c = card->driver; - - i810VGAPtr vgap = &i810c->vga; - - if (I810_DEBUG) - fprintf(stderr,"i810Disable\n"); - -#ifdef XV - KdXVDisable (pScreen); -#endif - i810Restore(screen->card); - - if (!i810UnbindGARTMemory(screen)) - return; - - i810VGALock(vgap); -} - - -static Bool -i810DPMS(ScreenPtr pScreen, int mode) -{ - KdScreenPriv(pScreen); - KdCardInfo *card = pScreenPriv->card; - I810CardInfo *i810c = card->driver; - - unsigned char SEQ01=0; - int DPMSSyncSelect=0; - - if (I810_DEBUG) - fprintf(stderr,"i810DPMS: %d\n",mode); - - switch (mode) { - case KD_DPMS_NORMAL: - /* Screen: On; HSync: On, VSync: On */ - SEQ01 = 0x00; - DPMSSyncSelect = HSYNC_ON | VSYNC_ON; - break; - case KD_DPMS_STANDBY: - /* Screen: Off; HSync: Off, VSync: On */ - SEQ01 = 0x20; - DPMSSyncSelect = HSYNC_OFF | VSYNC_ON; - break; - case KD_DPMS_SUSPEND: - /* Screen: Off; HSync: On, VSync: Off */ - SEQ01 = 0x20; - DPMSSyncSelect = HSYNC_ON | VSYNC_OFF; - break; - case KD_DPMS_POWERDOWN: - /* Screen: Off; HSync: Off, VSync: Off */ - SEQ01 = 0x20; - DPMSSyncSelect = HSYNC_OFF | VSYNC_OFF; - break; - } - - /* Turn the screen on/off */ - SEQ01 |= i810ReadControlMMIO(i810c, SRX, 0x01) & ~0x20; - i810WriteControlMMIO(i810c, SRX, 0x01, SEQ01); - - /* Set the DPMS mode */ - OUTREG8(DPMS_SYNC_SELECT, DPMSSyncSelect); - return TRUE; -} - - -void i810GetColors (ScreenPtr pScreen, int fb, int ndefs, xColorItem *c) { - - if (I810_DEBUG) - fprintf(stderr,"i810GetColors (NOT IMPLEMENTED)\n"); -} - -#define DACDelay(hw) \ - do { \ - unsigned char temp = Vminb((hw)->IOBase + VGA_IN_STAT_1_OFFSET); \ - temp = Vminb((hw)->IOBase + VGA_IN_STAT_1_OFFSET); \ - } while (0) - -void i810PutColors (ScreenPtr pScreen, int fb, int ndef, xColorItem *pdefs) { - - KdScreenPriv(pScreen); - KdScreenInfo *screen = pScreenPriv->screen; - KdCardInfo *card = screen->card; - I810CardInfo *i810c = (I810CardInfo *) card->driver; - - i810VGAPtr vgap = &i810c->vga; - - if (I810_DEBUG) - fprintf(stderr,"i810PutColors\n"); - - while (ndef--) - { - mmioWriteDacWriteAddr(vgap, pdefs->pixel); - DACDelay(vgap); - mmioWriteDacData(vgap, pdefs->red); - DACDelay(vgap); - mmioWriteDacData(vgap, pdefs->green); - DACDelay(vgap); - mmioWriteDacData(vgap, pdefs->blue); - DACDelay(vgap); - - pdefs++; - } -} - - -KdCardFuncs i810Funcs = { - i810CardInit, /* cardinit */ - i810ScreenInit, /* scrinit */ - i810InitScreen, /* initScreen */ - i810Preserve, /* preserve */ - i810Enable, /* enable */ - i810DPMS, /* dpms */ - i810Disable, /* disable */ - i810Restore, /* restore */ - i810ScreenFini, /* scrfini */ - i810CardFini, /* cardfini */ - - i810CursorInit, /* initCursor */ - i810CursorEnable, /* enableCursor */ - i810CursorDisable, /* disableCursor */ - i810CursorFini, /* finiCursor */ - NULL, /* recolorCursor */ - - i810InitAccel, /* initAccel */ - i810EnableAccel, /* enableAccel */ - i810SyncAccel, /* syncAccel */ - i810DisableAccel, /* disableAccel */ - i810FiniAccel, /* finiAccel */ - - i810GetColors, /* getColors */ - i810PutColors, /* putColors */ -}; 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