306ac1db85
Pascal). 3553. Take advantage of FB speedups in Tiny-X (#3568, Keith Packard). 3552. Speed up FB and do 32bit accesses instead of 64bit accesses (#3567, Keith Packard). 3551. Eliminate saving the contents of the screen durint VT switching (#3562, Keith Packard). 3550. Make using fb easier for driver writers (#3561, Keith Packard). 3549. Fix TCP font server connections (#3560, Keith Packard). 3548. Implement the "OverclockMem" option for the Millennium and Millennium II (#3558, Andrew Aitchison). 3547. Speed up some FB performance problems (#3557, 3559, 3560, Keith Packard). 3546. Work around a bad code generation bug in gcc 2.7.2.3 that shows up in XAA (#3550, Rik Faith). 3545. Add a -brief option to xclock to show only hours and minutes when in digital mode (#3549, Keith Packard). 3544. Fix some dead key problems with xkb symbols for Swiss French and Swiss German keyboards (#3546, Charles Lopes).
290 lines
7.9 KiB
C
290 lines
7.9 KiB
C
/*
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* $Id$
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*
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* Copyright © 1999 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $XFree86: xc/programs/Xserver/hw/kdrive/trident/trident.c,v 1.2 1999/12/30 03:03:15 robin Exp $ */
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#include "trident.h"
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#define extern
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#include <asm/io.h>
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#undef extern
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#undef TRI_DEBUG
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Bool
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tridentCardInit (KdCardInfo *card)
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{
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int k;
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char *pixels;
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TridentCardInfo *tridentc;
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tridentc = (TridentCardInfo *) xalloc (sizeof (TridentCardInfo));
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if (!tridentc)
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return FALSE;
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if (!fbdevInitialize (card, &tridentc->fb))
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{
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xfree (tridentc);
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return FALSE;
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}
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iopl (3);
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tridentc->cop_base = (CARD8 *) KdMapDevice (TRIDENT_COP_BASE,
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TRIDENT_COP_SIZE);
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tridentc->cop = (Cop *) (tridentc->cop_base + TRIDENT_COP_OFF);
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card->driver = tridentc;
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return TRUE;
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}
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Bool
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tridentScreenInit (KdScreenInfo *screen)
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{
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TridentCardInfo *tridentc = screen->card->driver;
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TridentScreenInfo *tridents;
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int screen_size, memory;
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tridents = (TridentScreenInfo *) xalloc (sizeof (TridentScreenInfo));
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if (!tridents)
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return FALSE;
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memset (tridents, '\0', sizeof (TridentScreenInfo));
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if (!fbdevScreenInit (screen))
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{
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xfree (tridents);
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return FALSE;
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}
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if (!tridentc->cop)
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screen->dumb = TRUE;
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screen_size = screen->byteStride * screen->height;
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memory = (2048 + 512) * 1024;
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if (memory >= screen_size + 2048)
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{
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tridents->cursor_base = tridentc->fb.fb + memory - 2048;
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}
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else
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tridents->cursor_base = 0;
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screen->driver = tridents;
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return TRUE;
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}
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Bool
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tridentInitScreen (ScreenPtr pScreen)
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{
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return fbdevInitScreen (pScreen);
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}
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CARD8
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tridentReadIndex (TridentCardInfo *tridentc, CARD16 port, CARD8 index)
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{
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CARD8 value;
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outb (index, port);
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value = inb (port+1);
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return value;
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}
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void
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tridentWriteIndex (TridentCardInfo *tridentc, CARD16 port, CARD8 index, CARD8 value)
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{
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outb (index, port);
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outb (value, port+1);
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}
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void
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tridentPause ()
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{
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struct timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = 200 * 1000;
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select (1, 0, 0, 0, &tv);
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}
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void
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tridentPreserve (KdCardInfo *card)
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{
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TridentCardInfo *tridentc = card->driver;
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fbdevPreserve (card);
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tridentc->save.reg_3c4_0e = tridentReadIndex (tridentc, 0x3c4, 0x0e);
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tridentc->save.reg_3d4_36 = tridentReadIndex (tridentc, 0x3d4, 0x36);
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tridentc->save.reg_3d4_39 = tridentReadIndex (tridentc, 0x3d4, 0x39);
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tridentc->save.reg_3d4_62 = tridentReadIndex (tridentc, 0x3d4, 0x62);
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tridentc->save.reg_3ce_21 = tridentReadIndex (tridentc, 0x3ce, 0x21);
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#ifdef TRI_DEBUG
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fprintf (stderr, "3c4 0e: %02x\n", tridentc->save.reg_3c4_0e);
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fprintf (stderr, "3d4 36: %02x\n", tridentc->save.reg_3d4_36);
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fprintf (stderr, "3d4 39: %02x\n", tridentc->save.reg_3d4_39);
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fprintf (stderr, "3d4 62: %02x\n", tridentc->save.reg_3d4_62);
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fprintf (stderr, "3ce 21: %02x\n", tridentc->save.reg_3ce_21);
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fflush (stderr);
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#endif
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tridentPause ();
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}
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void
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tridentSetMMIO (TridentCardInfo *tridentc)
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{
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int tries;
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CARD8 v;
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#ifdef TRI_DEBUG
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fprintf (stderr, "Set MMIO\n");
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#endif
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/* enable config port writes */
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for (tries = 0; tries < 3; tries++)
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{
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/* enable direct read when GE busy, enable PCI retries */
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tridentWriteIndex (tridentc, 0x3d4, 0x62,
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tridentc->save.reg_3d4_62 | 0x70);
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/* make sure the chip is in new mode */
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tridentReadIndex (tridentc, 0x3c4, 0xb);
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/* enable access to upper registers */
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tridentWriteIndex (tridentc, 0x3c4, 0xe,
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tridentc->save.reg_3c4_0e | 0x80);
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v = tridentReadIndex (tridentc, 0x3c4, 0xe);
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if (!(v & 0x80))
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{
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fprintf (stderr, "Trident GE not enabled 0x%x\n", v);
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continue;
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}
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/* enable screen */
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tridentWriteIndex (tridentc, 0x3ce, 0x21, 0x80);
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/* enable burst r/w, disable memory mapped ports */
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tridentWriteIndex (tridentc, 0x3d4, 0x39, 0x6);
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/* reset GE, enable GE, set GE to 0xbff00 */
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tridentWriteIndex (tridentc, 0x3d4, 0x36, 0x92);
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if (tridentc->cop->status != 0xffffffff)
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break;
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}
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#ifdef TRI_DEBUG
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fprintf (stderr, "COP status 0x%x\n", tridentc->cop->status);
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#endif
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if (tridentc->cop->status == 0xffffffff)
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FatalError ("Trident COP not visible\n");
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}
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void
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tridentResetMMIO (TridentCardInfo *tridentc)
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{
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#ifdef TRI_DEBUG
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fprintf (stderr, "Reset MMIO\n");
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#endif
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tridentWriteIndex (tridentc, 0x3ce, 0x21, tridentc->save.reg_3ce_21);
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tridentWriteIndex (tridentc, 0x3d4, 0x62, tridentc->save.reg_3d4_62);
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tridentWriteIndex (tridentc, 0x3d4, 0x39, tridentc->save.reg_3d4_39);
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tridentWriteIndex (tridentc, 0x3d4, 0x36, tridentc->save.reg_3d4_36);
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tridentWriteIndex (tridentc, 0x3c4, 0x0e, tridentc->save.reg_3c4_0e);
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tridentPause ();
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}
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void
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tridentEnable (ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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TridentCardInfo *tridentc = pScreenPriv->card->driver;
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fbdevEnable (pScreen);
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tridentSetMMIO (tridentc);
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}
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void
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tridentDisable (ScreenPtr pScreen)
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{
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fbdevDisable (pScreen);
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}
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const CARD8 tridentDPMSModes[4] = {
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0x80, /* KD_DPMS_NORMAL */
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0x8c, /* KD_DPMS_STANDBY */
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0x8c, /* KD_DPMS_STANDBY */
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0x8c, /* KD_DPMS_STANDBY */
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/* 0xb0, /* KD_DPMS_SUSPEND */
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/* 0xbc, /* KD_DPMS_POWERDOWN */
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};
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Bool
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tridentDPMS (ScreenPtr pScreen, int mode)
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{
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KdScreenPriv(pScreen);
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TridentCardInfo *tridentc = pScreenPriv->card->driver;
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tridentWriteIndex (tridentc, 0x3ce, 0x21, tridentDPMSModes[mode]);
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return TRUE;
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}
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void
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tridentRestore (KdCardInfo *card)
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{
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TridentCardInfo *tridentc = card->driver;
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tridentResetMMIO (tridentc);
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fbdevRestore (card);
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}
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void
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tridentScreenFini (KdScreenInfo *screen)
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{
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TridentScreenInfo *tridents = (TridentScreenInfo *) screen->driver;
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xfree (tridents);
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screen->driver = 0;
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}
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void
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tridentCardFini (KdCardInfo *card)
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{
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TridentCardInfo *tridentc = card->driver;
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if (tridentc->cop_base)
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KdUnmapDevice ((void *) tridentc->cop_base, TRIDENT_COP_SIZE);
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fbdevCardFini (card);
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}
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KdCardFuncs tridentFuncs = {
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tridentCardInit, /* cardinit */
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tridentScreenInit, /* scrinit */
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tridentInitScreen, /* initScreen */
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tridentPreserve, /* preserve */
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tridentEnable, /* enable */
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tridentDPMS, /* dpms */
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tridentDisable, /* disable */
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tridentRestore, /* restore */
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tridentScreenFini, /* scrfini */
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tridentCardFini, /* cardfini */
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tridentCursorInit, /* initCursor */
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tridentCursorEnable, /* enableCursor */
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tridentCursorDisable, /* disableCursor */
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tridentCursorFini, /* finiCursor */
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tridentRecolorCursor, /* recolorCursor */
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tridentDrawInit, /* initAccel */
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tridentDrawEnable, /* enableAccel */
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tridentDrawSync, /* syncAccel */
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tridentDrawDisable, /* disableAccel */
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tridentDrawFini, /* finiAccel */
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fbdevGetColors, /* getColors */
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fbdevPutColors, /* putColors */
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};
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