summaryrefslogtreecommitdiff
path: root/hw/kdrive/trident/trident.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/kdrive/trident/trident.c')
-rw-r--r--hw/kdrive/trident/trident.c613
1 files changed, 0 insertions, 613 deletions
diff --git a/hw/kdrive/trident/trident.c b/hw/kdrive/trident/trident.c
deleted file mode 100644
index 9423f90e0..000000000
--- a/hw/kdrive/trident/trident.c
+++ /dev/null
@@ -1,613 +0,0 @@
-/*
- * Copyright © 1999 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR 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.
- */
-/* $RCSId: xc/programs/Xserver/hw/kdrive/trident/trident.c,v 1.17 2001/06/03 18:48:19 keithp Exp $ */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "trident.h"
-#include <sys/io.h>
-
-#undef TRI_DEBUG
-
-int trident_clk = 0;
-int trident_mclk = 0;
-
-#define CLOCK 14318 /* KHz */
-#define CLK_N(a,b) (a & 0xff)
-#define CLK_M(a,b) ((b) & 0x3f)
-#define CLK_K(a,b) (((b) >> 6) & 3)
-#define CLK_FREQ(a,b) (((CLK_N(a,b) + 8) * CLOCK) / ((CLK_M(a,b)+2) << CLK_K(a,b)))
-
-Bool
-tridentCardInit (KdCardInfo *card)
-{
- int k;
- char *pixels;
- TridentCardInfo *tridentc;
- CARD8 r39;
-
- tridentc = (TridentCardInfo *) xalloc (sizeof (TridentCardInfo));
- if (!tridentc)
- return FALSE;
-
- iopl (3);
- tridentc->cop_base = (CARD8 *) KdMapDevice (TRIDENT_COP_BASE(card),
- TRIDENT_COP_SIZE(card));
-
- if (tridentc->cop_base)
- {
- KdSetMappedMode (TRIDENT_COP_BASE(card),
- TRIDENT_COP_SIZE(card),
- KD_MAPPED_MODE_REGISTERS);
- }
- tridentc->cop = (Cop *) (tridentc->cop_base + TRIDENT_COP_OFF(card));
- tridentc->mmio = FALSE;
- r39 = tridentReadIndex (tridentc, 0x3d4, 0x39);
- if (r39 & 1)
- {
- tridentc->mmio = TRUE;
- r39 = tridentReadIndex (tridentc, 0x3d4, 0x39);
- if ((r39 & 1) == 0)
- {
- ErrorF ("Trident: inconsisent IO mapping values\n");
- return FALSE;
- }
- }
-
-#ifdef VESA
- if (!vesaInitialize (card, &tridentc->vesa))
-#else
- if (!fbdevInitialize (card, &tridentc->fb))
-#endif
- {
- xfree (tridentc);
- return FALSE;
- }
-
-#ifdef USE_PCI
- tridentc->window = (CARD32 *) (tridentc->cop_base + 0x10000);
-#else
- tridentc->window = 0;
-#endif
- card->driver = tridentc;
-
- return TRUE;
-}
-
-Bool
-tridentScreenInit (KdScreenInfo *screen)
-{
- TridentCardInfo *tridentc = screen->card->driver;
- TridentScreenInfo *tridents;
- int screen_size, memory;
-
- tridents = (TridentScreenInfo *) xalloc (sizeof (TridentScreenInfo));
- if (!tridents)
- return FALSE;
- memset (tridents, '\0', sizeof (TridentScreenInfo));
-#ifdef VESA
- if (!vesaScreenInitialize (screen, &tridents->vesa))
-#else
- if (!fbdevScreenInitialize (screen, &tridents->fbdev))
-#endif
- {
- xfree (tridents);
- return FALSE;
- }
- if (!tridentc->cop)
- screen->dumb = TRUE;
-#ifdef VESA
- if (tridents->vesa.mapping != VESA_LINEAR)
- screen->dumb = TRUE;
- tridents->screen = tridents->vesa.fb;
- memory = tridents->vesa.fb_size;
-#else
- tridents->screen = tridentc->fb.fb;
- memory = (2048 + 512) * 1024;
-#endif
- screen_size = screen->fb[0].byteStride * screen->height;
- if (tridents->screen && memory >= screen_size + 2048)
- {
- memory -= 2048;
- tridents->cursor_base = tridents->screen + memory - 2048;
- }
- else
- tridents->cursor_base = 0;
- memory -= screen_size;
- if (memory > screen->fb[0].byteStride)
- {
- tridents->off_screen = tridents->screen + screen_size;
- tridents->off_screen_size = memory;
- }
- else
- {
- tridents->off_screen = 0;
- tridents->off_screen_size = 0;
- }
- screen->driver = tridents;
- return TRUE;
-}
-
-Bool
-tridentInitScreen (ScreenPtr pScreen)
-{
-#ifdef VESA
- return vesaInitScreen (pScreen);
-#else
- return fbdevInitScreen (pScreen);
-#endif
-}
-
-Bool
-tridentFinishInitScreen (ScreenPtr pScreen)
-{
-#ifdef VESA
- return vesaFinishInitScreen (pScreen);
-#endif
-}
-
-CARD8
-tridentReadIndex (TridentCardInfo *tridentc, CARD16 port, CARD8 index)
-{
- CARD8 value;
-
- if (tridentc->mmio)
- {
- tridentc->cop_base[port] = index;
- value = tridentc->cop_base[port+1];
- }
- else
- {
- outb (index, port);
- value = inb (port+1);
- }
- return value;
-}
-
-void
-tridentWriteIndex (TridentCardInfo *tridentc, CARD16 port, CARD8 index, CARD8 value)
-{
- if (tridentc->mmio)
- {
- tridentc->cop_base[port] = index;
- tridentc->cop_base[port+1] = value;
- }
- else
- {
- outb (index, port);
- outb (value, port+1);
- }
-}
-
-CARD8
-tridentReadReg (TridentCardInfo *tridentc, CARD16 port)
-{
- CARD8 value;
-
- if (tridentc->mmio)
- {
- value = tridentc->cop_base[port];
- }
- else
- {
- value = inb (port);
- }
- return value;
-}
-
-void
-tridentWriteReg (TridentCardInfo *tridentc, CARD16 port, CARD8 value)
-{
- if (tridentc->mmio)
- {
- tridentc->cop_base[port] = value;
- }
- else
- {
- outb (value, port);
- }
-}
-
-
-void
-tridentPause ()
-{
- struct timeval tv;
-
- tv.tv_sec = 0;
- tv.tv_usec = 50 * 1000;
- select (1, 0, 0, 0, &tv);
-}
-
-void
-tridentPreserve (KdCardInfo *card)
-{
- TridentCardInfo *tridentc = card->driver;
-
-#ifdef VESA
- vesaPreserve(card);
-#else
- fbdevPreserve (card);
-#endif
- tridentPause ();
- tridentc->save.reg_3c4_0e = tridentReadIndex (tridentc, 0x3c4, 0x0e);
- tridentc->save.reg_3d4_36 = tridentReadIndex (tridentc, 0x3d4, 0x36);
- tridentc->save.reg_3d4_39 = tridentReadIndex (tridentc, 0x3d4, 0x39);
- tridentc->save.reg_3d4_62 = tridentReadIndex (tridentc, 0x3d4, 0x62);
- tridentc->save.reg_3ce_21 = tridentReadIndex (tridentc, 0x3ce, 0x21);
- tridentc->save.reg_3c2 = tridentReadReg (tridentc, 0x3cc);
- tridentc->save.reg_3c4_16 = tridentReadIndex (tridentc, 0x3c4, 0x16);
- tridentc->save.reg_3c4_17 = tridentReadIndex (tridentc, 0x3c4, 0x17);
- tridentc->save.reg_3c4_18 = tridentReadIndex (tridentc, 0x3c4, 0x18);
- tridentc->save.reg_3c4_19 = tridentReadIndex (tridentc, 0x3c4, 0x19);
- ErrorF ("clk low 0x%x high 0x%x freq %d\n",
- tridentc->save.reg_3c4_18,
- tridentc->save.reg_3c4_19,
- CLK_FREQ(tridentc->save.reg_3c4_18,
- tridentc->save.reg_3c4_19));
-#ifdef TRI_DEBUG
- fprintf (stderr, "3c4 0e: %02x\n", tridentc->save.reg_3c4_0e);
- fprintf (stderr, "3d4 36: %02x\n", tridentc->save.reg_3d4_36);
- fprintf (stderr, "3d4 39: %02x\n", tridentc->save.reg_3d4_39);
- fprintf (stderr, "3d4 62: %02x\n", tridentc->save.reg_3d4_62);
- fprintf (stderr, "3ce 21: %02x\n", tridentc->save.reg_3ce_21);
- fflush (stderr);
-#endif
- tridentPause ();
-}
-
-void
-tridentSetCLK(int clock, CARD8 *a, CARD8 *b)
-{
- int powerup[4] = { 1,2,4,8 };
- int clock_diff = 750;
- int freq, ffreq;
- int m, n, k;
- int p, q, r, s;
- int startn, endn;
- int endm, endk;
-
- p = q = r = s = 0;
-
- startn = 64;
- endn = 255;
- endm = 63;
- endk = 3;
-
- freq = clock;
-
- for (k=0;k<=endk;k++)
- for (n=startn;n<=endn;n++)
- for (m=1;m<=endm;m++)
- {
- ffreq = ( ( ((n + 8) * CLOCK) / ((m + 2) * powerup[k]) ));
- if ((ffreq > freq - clock_diff) && (ffreq < freq + clock_diff))
- {
- clock_diff = (freq > ffreq) ? freq - ffreq : ffreq - freq;
- p = n; q = m; r = k; s = ffreq;
- }
- }
-
- ErrorF ("ffreq %d clock %d\n", s, clock);
- if (s == 0)
- {
- FatalError("Unable to set programmable clock.\n"
- "Frequency %d is not a valid clock.\n"
- "Please modify XF86Config for a new clock.\n",
- freq);
- }
-
- /* N is all 8bits */
- *a = p;
- /* M is first 6bits, with K last 2bits */
- *b = (q & 0x3F) | (r << 6);
-}
-
-void
-tridentSetMCLK(int clock, CARD8 *a, CARD8 *b)
-{
- int powerup[4] = { 1,2,4,8 };
- int clock_diff = 750;
- int freq, ffreq;
- int m,n,k;
- int p, q, r, s;
- int startn, endn;
- int endm, endk;
-
- p = q = r = s = 0;
-
- startn = 64;
- endn = 255;
- endm = 63;
- endk = 3;
-
- freq = clock;
-
- for (k=0;k<=endk;k++)
- for (n=startn;n<=endn;n++)
- for (m=1;m<=endm;m++) {
- ffreq = ((((n+8)*CLOCK)/((m+2)*powerup[k])));
- if ((ffreq > freq - clock_diff) && (ffreq < freq + clock_diff))
- {
- clock_diff = (freq > ffreq) ? freq - ffreq : ffreq - freq;
- p = n; q = m; r = k; s = ffreq;
- }
- }
-
- if (s == 0)
- {
- FatalError("Unable to set memory clock.\n"
- "Frequency %d is not a valid clock.\n"
- "Please modify XF86Config for a new clock.\n",
- freq);
- }
-
- /* N is all 8bits */
- *a = p;
- /* M is first 6bits, with K last 2bits */
- *b = (q & 0x3F) | (r << 6);
-}
-
-void
-tridentSetMMIO (TridentCardInfo *tridentc)
-{
- int tries;
- CARD8 v;
-
-#ifdef TRI_DEBUG
- fprintf (stderr, "Set MMIO\n");
-#endif
- /* enable config port writes */
- for (tries = 0; tries < 3; tries++)
- {
- /* enable direct read when GE busy, enable PCI retries */
- tridentWriteIndex (tridentc, 0x3d4, 0x62,
- tridentc->save.reg_3d4_62 | 0x70);
- /* make sure the chip is in new mode */
- tridentReadIndex (tridentc, 0x3c4, 0xb);
- /* enable access to upper registers */
- tridentWriteIndex (tridentc, 0x3c4, 0xe,
- tridentc->save.reg_3c4_0e | 0x80);
- v = tridentReadIndex (tridentc, 0x3c4, 0xe);
- if (!(v & 0x80))
- {
- fprintf (stderr, "Trident GE not enabled 0x%x\n", v);
- continue;
- }
- /* enable screen */
- tridentWriteIndex (tridentc, 0x3ce, 0x21, 0x80);
-#ifdef USE_PCI
- /* enable burst r/w, enable memory mapped ports */
- tridentWriteIndex (tridentc, 0x3d4, 0x39, 7);
- tridentc->mmio = TRUE;
- /* reset GE, enable GE, set GE to pci 1 */
- tridentWriteIndex (tridentc, 0x3d4, 0x36, 0x90);
-#else
- /* enable burst r/w, disable memory mapped ports */
- tridentWriteIndex (tridentc, 0x3d4, 0x39, 0x6);
- /* reset GE, enable GE, set GE to 0xbff00 */
- tridentWriteIndex (tridentc, 0x3d4, 0x36, 0x92);
-#endif
- /* set clock */
- if (trident_clk)
- {
- CARD8 a, b;
-
- a = tridentReadIndex (tridentc, 0x3c4, 0x18);
- b = tridentReadIndex (tridentc, 0x3c4, 0x19);
- ErrorF ("old clock 0x%x 0x%x %d\n",
- a, b, CLK_FREQ(a,b));
- tridentSetCLK (trident_clk, &a, &b);
- ErrorF ("clk %d-> 0x%x 0x%x %d\n", trident_clk, a, b,
- CLK_FREQ(a,b));
-#if 1
- tridentWriteIndex (tridentc, 0x3c4, 0x18, a);
- tridentWriteIndex (tridentc, 0x3c4, 0x19, b);
-#endif
- }
- if (trident_mclk)
- {
- CARD8 a, b;
-
- tridentSetMCLK (trident_mclk, &a, &b);
- ErrorF ("mclk %d -> 0x%x 0x%x\n", trident_mclk, a, b);
-#if 0
- tridentWriteIndex (tridentc, 0x3c4, 0x16, a);
- tridentWriteIndex (tridentc, 0x3c4, 0x17, b);
-#endif
- }
- if (trident_clk || trident_mclk)
- {
- CARD8 mode;
-
- mode = tridentReadReg (tridentc, 0x3cc);
- ErrorF ("old mode 0x%x\n", mode);
- mode = (mode & 0xf3) | 0x08;
- ErrorF ("new mode 0x%x\n", mode);
-#if 1
- tridentWriteReg (tridentc, 0x3c2, mode);
-#endif
- }
-#ifdef TRI_DEBUG
- fprintf (stderr, "0x36: 0x%02x\n",
- tridentReadIndex (tridentc, 0x3d4, 0x36));
-#endif
- if (tridentc->cop->status != 0xffffffff)
- break;
- }
-#ifdef TRI_DEBUG
- fprintf (stderr, "COP status 0x%x\n", tridentc->cop->status);
-#endif
- if (tridentc->cop->status == 0xffffffff)
- FatalError ("Trident COP not visible\n");
-}
-
-void
-tridentResetMMIO (TridentCardInfo *tridentc)
-{
-#ifdef TRI_DEBUG
- fprintf (stderr, "Reset MMIO\n");
-#endif
- tridentPause ();
-#if 0
- tridentWriteIndex (tridentc, 0x3c4, 0x16, tridentc->save.reg_3c4_16);
- tridentWriteIndex (tridentc, 0x3c4, 0x17, tridentc->save.reg_3c4_17);
-#endif
- tridentWriteIndex (tridentc, 0x3c4, 0x18, tridentc->save.reg_3c4_18);
- tridentWriteIndex (tridentc, 0x3c4, 0x19, tridentc->save.reg_3c4_19);
- tridentWriteReg (tridentc, 0x3c2, tridentc->save.reg_3c2);
- tridentPause ();
- tridentWriteIndex (tridentc, 0x3ce, 0x21, tridentc->save.reg_3ce_21);
- tridentPause ();
- tridentWriteIndex (tridentc, 0x3d4, 0x62, tridentc->save.reg_3d4_62);
- tridentWriteIndex (tridentc, 0x3d4, 0x39, tridentc->save.reg_3d4_39);
- tridentc->mmio = FALSE;
- tridentWriteIndex (tridentc, 0x3d4, 0x36, tridentc->save.reg_3d4_36);
- tridentWriteIndex (tridentc, 0x3c4, 0x0e, tridentc->save.reg_3c4_0e);
- tridentPause ();
-}
-
-Bool
-tridentEnable (ScreenPtr pScreen)
-{
- KdScreenPriv(pScreen);
- TridentCardInfo *tridentc = pScreenPriv->card->driver;
-
-#ifdef VESA
- if (!vesaEnable (pScreen))
- return FALSE;
-#else
- if (!fbdevEnable (pScreen))
- return FALSE;
-#endif
- tridentSetMMIO (tridentc);
- return TRUE;
-}
-
-void
-tridentDisable (ScreenPtr pScreen)
-{
-#ifdef VESA
- vesaDisable (pScreen);
-#else
- fbdevDisable (pScreen);
-#endif
-}
-
-const CARD8 tridentDPMSModes[4] = {
- 0x80, /* KD_DPMS_NORMAL */
- 0x8c, /* KD_DPMS_STANDBY */
- 0x8c, /* KD_DPMS_STANDBY */
- 0x8c, /* KD_DPMS_STANDBY */
-/* 0xb0, /* KD_DPMS_SUSPEND */
-/* 0xbc, /* KD_DPMS_POWERDOWN */
-};
-
-Bool
-tridentDPMS (ScreenPtr pScreen, int mode)
-{
- KdScreenPriv(pScreen);
- TridentCardInfo *tridentc = pScreenPriv->card->driver;
-
- tridentWriteIndex (tridentc, 0x3ce, 0x21, tridentDPMSModes[mode]);
- tridentPause ();
- return TRUE;
-}
-
-void
-tridentRestore (KdCardInfo *card)
-{
- TridentCardInfo *tridentc = card->driver;
-
- tridentResetMMIO (tridentc);
-#ifdef VESA
- vesaRestore (card);
-#else
- fbdevRestore (card);
-#endif
-}
-
-void
-tridentScreenFini (KdScreenInfo *screen)
-{
- TridentScreenInfo *tridents = (TridentScreenInfo *) screen->driver;
-
-#ifdef VESA
- vesaScreenFini (screen);
-#endif
- xfree (tridents);
- screen->driver = 0;
-}
-
-void
-tridentCardFini (KdCardInfo *card)
-{
- TridentCardInfo *tridentc = card->driver;
-
- if (tridentc->cop_base)
- {
- KdUnmapDevice ((void *) tridentc->cop_base, TRIDENT_COP_SIZE(card));
- KdResetMappedMode (TRIDENT_COP_BASE(card),
- TRIDENT_COP_SIZE(card),
- KD_MAPPED_MODE_REGISTERS);
- }
-#ifdef VESA
- vesaCardFini (card);
-#else
- fbdevCardFini (card);
-#endif
-}
-
-KdCardFuncs tridentFuncs = {
- tridentCardInit, /* cardinit */
- tridentScreenInit, /* scrinit */
- tridentInitScreen, /* initScreen */
- tridentPreserve, /* preserve */
- tridentEnable, /* enable */
- tridentDPMS, /* dpms */
- tridentDisable, /* disable */
- tridentRestore, /* restore */
- tridentScreenFini, /* scrfini */
- tridentCardFini, /* cardfini */
-
- tridentCursorInit, /* initCursor */
- tridentCursorEnable, /* enableCursor */
- tridentCursorDisable, /* disableCursor */
- tridentCursorFini, /* finiCursor */
- tridentRecolorCursor, /* recolorCursor */
-
- tridentDrawInit, /* initAccel */
- tridentDrawEnable, /* enableAccel */
- tridentDrawSync, /* syncAccel */
- tridentDrawDisable, /* disableAccel */
- tridentDrawFini, /* finiAccel */
-
-#ifdef VESA
- vesaGetColors, /* getColors */
- vesaPutColors, /* putColors */
-#else
- fbdevGetColors, /* getColors */
- fbdevPutColors, /* putColors */
-#endif
- tridentFinishInitScreen /* finishInitScreen */
-};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 11:20:14 +0000