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freebsd-ports/x11/XFree86/files/patch-i
Jean-Marc Zucconi 7ace052cba Add support for the Savage IX/MV chipset. 
Submitted by: Andreas Klemm <andreas@klemm.gtn.com>
2000-10-23 12:32:03 +00:00

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S3 Savage/MX and Savage/IX patches for XFree86 3.3.6 post fix-08
http://www.probo.com/timr/savagemx.html
from: Sun Oct 22 10:12:06 CEST 2000
--- programs/Xserver/hw/xfree86/vga256/drivers/s3_savage/s3sav_cursor.c.orig Sun Oct 22 09:52:21 2000
+++ programs/Xserver/hw/xfree86/vga256/drivers/s3_savage/s3sav_cursor.c Fri Sep 1 22:12:56 2000
@@ -250,7 +250,7 @@
/* VerticalRetraceWait(); */
/* turn cursor off */
- S3VHideCursor();
+ S3SAVHideCursor();
/* move cursor off-screen */
outb(vgaCRIndex, 0x46);
--- programs/Xserver/hw/xfree86/vga256/drivers/s3_savage/s3sav_driver.c.orig Sun Oct 22 09:52:21 2000
+++ programs/Xserver/hw/xfree86/vga256/drivers/s3_savage/s3sav_driver.c Fri Sep 29 23:19:23 2000
@@ -94,6 +94,7 @@
static void S3SAVRestore();
static void S3SAVAdjust();
static void S3SAVFbInit();
+static int S3SAVPitchAdjust();
void S3SAVSetRead();
void S3SAVAccelInit();
void S3SAVInitialize2DEngine();
@@ -721,12 +722,12 @@
/* Restore the desired video mode with CR67 */
- outb(vgaCRIndex, 0x67);
#if 0
+ outb(vgaCRIndex, 0x67);
cr67 = inb(vgaCRReg) & 0xf; /* Possible hardware bug on VX? */
-#endif
outb(vgaCRReg, 0x50 | cr67);
usleep(10000);
+#endif
outb(vgaCRIndex, 0x67);
outb(vgaCRReg, restore->CR67 & ~0x0c); /* Don't enable STREAMS yet */
@@ -745,9 +746,11 @@
outb(vgaCRReg, restore->CR51);
/* Memory timings */
- outb(vgaCRIndex, 0x36);
+ outb(vgaCRIndex, 0x36);
outb(vgaCRReg, restore->CR36);
- outb(vgaCRIndex, 0x68);
+ outb(vgaCRIndex, 0x60);
+ outb(vgaCRReg, restore->CR60);
+ outb(vgaCRIndex, 0x68);
outb(vgaCRReg, restore->CR68);
outb(vgaCRIndex, 0x69);
outb(vgaCRReg, restore->CR69);
@@ -764,8 +767,11 @@
outb(vgaCRReg, restore->CR90);
outb(vgaCRIndex, 0x91);
outb(vgaCRReg, restore->CR91);
- outb(vgaCRIndex, 0xB0); /* Savage4 config3 */
- outb(vgaCRReg, restore->CRB0);
+ if( s3vPriv.chip == S3_SAVAGE4 )
+ {
+ outb(vgaCRIndex, 0xB0); /* Savage4 config3 */
+ outb(vgaCRReg, restore->CRB0);
+ }
outb(vgaCRIndex, 0x32);
outb(vgaCRReg, restore->CR32);
@@ -981,6 +987,8 @@
save->CR53 = inb(vgaCRReg);
outb(vgaCRIndex, 0x58);
save->CR58 = inb(vgaCRReg);
+ outb(vgaCRIndex, 0x60);
+ save->CR60 = inb(vgaCRReg);
outb(vgaCRIndex, 0x66);
save->CR66 = inb(vgaCRReg);
outb(vgaCRIndex, 0x67);
@@ -1135,10 +1143,29 @@
}
+/*
+ * This function adjusts the pitch to a multiple of 16 pixels.
+ */
+
+static int
+S3SAVPitchAdjust( void )
+{
+ int pitch = vga256InfoRec.virtualX;
+
+ if( pitch % 16 != 0 )
+ {
+ pitch = (pitch + 15) & ~15;
+
+ ErrorF("%s %s: %s: Display width padded to %d bytes.\n",
+ XCONFIG_PROBED, vga256InfoRec.name, vga256InfoRec.chipset,
+ pitch);
+ }
+ return pitch;
+}
+
+
/*
- * This is the main probe function for the virge chipsets.
- * Right now, I have taken a shortcut and get most of the info from
- * PCI probing.
+ * This is the main probe function for the Savage chipsets.
*/
static Bool
@@ -1511,6 +1538,8 @@
S3V.ChipLinearBase = vga256InfoRec.MemBase;
S3V.ChipLinearSize = vga256InfoRec.videoRam * 1024;
+ vgaSetPitchAdjustHook(S3SAVPitchAdjust);
+
return TRUE;
}
@@ -1782,9 +1811,9 @@
outb(vgaCRIndex, 0x3a);
tmp = inb(vgaCRReg);
if(!OFLG_ISSET(OPTION_PCI_BURST_ON, &vga256InfoRec.options))
- new->CR3A = tmp | 0x95; /* ENH 256, no PCI burst! */
+ new->CR3A = tmp | 0x90; /* ENH 256, no PCI burst! */
else
- new->CR3A = (tmp & 0x7f) | 0x15; /* ENH 256, PCI burst */
+ new->CR3A = (tmp & 0x7f) | 0x10; /* ENH 256, PCI burst */
new->CR53 &= ~0x08; /* Enables MMIO */
new->CR31 = 0x8c; /* Dis. 64k window, en. ENH maps */
@@ -1806,12 +1835,22 @@
dclk = vga256InfoRec.clock[mode->Clock];
new->CR67 = 0x00; /* Defaults */
- new->SR15 = 0x03 | 0x80;
+ if( s3vPriv.chip != S3_SAVAGE2000 )
+ new->SR15 = 0x03 | 0x80;
+ else
+ /* One-cycle writes broken on Savage2000? */
+ new->SR15 = 0x03;
new->SR18 = 0x00;
new->CR43 = 0x00;
new->CR45 = 0x00;
new->CR65 = 0x00;
+ outb(vgaCRIndex, 0x60);
+ new->CR60 = inb(vgaCRReg);
+
+ if( s3vPriv.chip == S3_SAVAGE_MX )
+ new->CR60 = 0x09;
+
outb(vgaCRIndex, 0x40);
new->CR40 = inb(vgaCRReg) & ~0x01;
@@ -1852,16 +1891,19 @@
{
if (vgaBitsPerPixel == 8) {
- if (dclk <= 110000) new->CR67 = 0x00; /* 8bpp, 135MHz */
- else new->CR67 = 0x10; /* 8bpp, 220MHz */
+ new->CR67 = 0x00; /* 8bpp, 220MHz */
}
else if ((vgaBitsPerPixel == 16) && (vga256InfoRec.weight.green == 5)) {
- if (dclk <= 110000) new->CR67 = 0x20; /* 15bpp, 135MHz */
- else new->CR67 = 0x30; /* 15bpp, 220MHz */
+ if( s3vPriv.chip == S3_SAVAGE_MX )
+ new->CR67 = 0x30; /* 15bpp, 220MHz */
+ else
+ new->CR67 = 0x20;
}
else if (vgaBitsPerPixel == 16) {
- if (dclk <= 110000) new->CR67 = 0x40; /* 16bpp, 135MHz */
- else new->CR67 = 0x50; /* 16bpp, 220MHz */
+ if( s3vPriv.chip == S3_SAVAGE_MX )
+ new->CR67 = 0x50; /* 16bpp, 220MHz */
+ else
+ new->CR67 = 0x40;
}
else if ((vgaBitsPerPixel == 24) || (vgaBitsPerPixel == 32)) {
new->CR67 = 0xd0; /* 24bpp, 135MHz */
@@ -1967,8 +2009,12 @@
else
new->CR50 |= 0xC1; /* default to use GlobalBD */
- new->CR33 = 0x20;
+ if( s3vPriv.chip == S3_SAVAGE2000 )
+ new->CR33 = 0x08;
+ else
+ new->CR33 = 0x20;
+ new->std.CRTC[0x17] = 0xeb;
/* Now we handle various XConfig memory options and others */
--- programs/Xserver/hw/xfree86/vga256/drivers/s3_savage/s3sav_driver.h.orig Sun Oct 22 09:52:21 2000
+++ programs/Xserver/hw/xfree86/vga256/drivers/s3_savage/s3sav_driver.h Sat Sep 2 02:57:01 2000
@@ -25,7 +25,7 @@
unsigned char CR31, CR32, CR33, CR34, CR36, CR3A, CR3B, CR3C;
unsigned char CR40, CR42, CR43, CR45;
unsigned char CR50, CR51, CR53, CR58, CR5B, CR5D, CR5E;
- unsigned char CR65, CR66, CR67, CR68, CR69, CR6F; /* Video attrib. */
+ unsigned char CR60, CR65, CR66, CR67, CR68, CR69, CR6F; /* Video attrib. */
unsigned char CR86, CR88;
unsigned char CR90, CR91, CRB0;
unsigned char ColorStack[8]; /* S3 hw cursor color stack CR4A/CR4B */
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