summaryrefslogtreecommitdiff
path: root/xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c
diff options
context:
space:
mode:
Diffstat (limited to 'xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c')
-rw-r--r--xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c399
1 files changed, 298 insertions, 101 deletions
diff --git a/xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c b/xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c
index 66019fd43..d8ed1144c 100644
--- a/xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c
+++ b/xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c
@@ -1,4 +1,30 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c,v 1.7 2002/04/04 14:05:48 eich Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sis/sis_vb.c,v 1.10 2003/01/29 15:42:17 eich Exp $ */
+/*
+ * Video bridge detection and configuration for 300 and 310/325 series
+ *
+ * Copyright 2002 by Thomas Winischhofer, Vienna, Austria
+ *
+ * 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 Thomas Winischhofer not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Thomas Winischhofer makes no representations
+ * about the suitability of this software for any purpose. It is provided
+ * "as is" without express or implied warranty.
+ *
+ * THOMAS WINISCHHOFER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THOMAS WINISCHHOFER 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.
+ *
+ * Author: Thomas Winischhofer <thomas@winischhofer.net>
+ * (Completely rewritten)
+ */
#include "xf86.h"
#include "xf86_ansic.h"
@@ -9,148 +35,319 @@
#include "sis_regs.h"
#include "sis_vb.h"
-/* TW: Detect CRT2-LCD and LCD size */
+static const SiS_LCD_StStruct SiS300_LCD_Type[]=
+{
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* 0 - invalid */
+ { VB_LCD_800x600, 800, 600, LCD_800x600, 0}, /* 1 */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* 2 */
+ { VB_LCD_1280x1024,1280, 1024, LCD_1280x1024, 2}, /* 3 */
+ { VB_LCD_1280x960, 1280, 960, LCD_1280x960, 3}, /* 4 */
+ { VB_LCD_640x480, 640, 480, LCD_640x480, 4}, /* 5 */
+ { VB_LCD_1024x600, 1024, 600, LCD_1024x600, 10}, /* 6 */
+ { VB_LCD_1152x768, 1152, 768, LCD_1152x768, 7}, /* 7 */
+ { VB_LCD_320x480, 320, 480, LCD_320x480, 6}, /* 8 */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* 9 */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* a */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* b */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* c */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* d */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* e */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* f */
+};
+
+static const SiS_LCD_StStruct SiS310_LCD_Type[]=
+{
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* 0 - invalid */
+ { VB_LCD_800x600, 800, 600, LCD_800x600, 0}, /* 1 */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* 2 */
+ { VB_LCD_1280x1024, 1280,1024, LCD_1280x1024, 2}, /* 3 */
+ { VB_LCD_640x480, 640, 480, LCD_640x480, 4}, /* 4 */
+ { VB_LCD_1024x600, 1024, 600, LCD_1024x600, 10}, /* 5 */
+ { VB_LCD_1152x864, 1152, 864, LCD_1152x864, 11}, /* 6 */
+ { VB_LCD_1280x960, 1280, 960, LCD_1280x960, 3}, /* 7 */
+ { VB_LCD_1152x768, 1152, 768, LCD_1152x768, 7}, /* 8 */
+ { VB_LCD_1400x1050, 1400,1050, LCD_1400x1050, 8}, /* 9 */
+ { VB_LCD_1280x768, 1280, 768, LCD_1280x768, 9}, /* a */
+ { VB_LCD_1600x1200, 1600,1200, LCD_1600x1200, 5}, /* b */
+ { VB_LCD_320x480, 320, 480, LCD_320x480, 6}, /* c */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* d */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1}, /* e */
+ { VB_LCD_1024x768, 1024, 768, LCD_1024x768, 1} /* f */
+};
+
+static const char *panelres[] = {
+ "800x600",
+ "1024x768",
+ "1280x1024",
+ "1280x960",
+ "640x480",
+ "1600x1200",
+ "320x480",
+ "1152x768",
+ "1400x1050",
+ "1280x768",
+ "1024x600",
+ "1152x864"
+};
+
+/* Detect CRT1 */
+void SISCRT1PreInit(ScrnInfoPtr pScrn)
+{
+ SISPtr pSiS = SISPTR(pScrn);
+ unsigned char CR32, SR17;
+ unsigned char CRT1Detected = 0;
+ unsigned char OtherDevices = 0;
+
+ if(!(pSiS->VBFlags & VB_VIDEOBRIDGE)) {
+ pSiS->CRT1off = 0;
+ return;
+ }
+
+#ifdef SISDUALHEAD
+ if(pSiS->DualHeadMode && pSiS->SecondHead) {
+ pSiS->CRT1off = 0;
+ return;
+ }
+#endif
+
+ inSISIDXREG(SISCR, 0x32, CR32);
+ inSISIDXREG(SISSR, 0x17, SR17);
+
+ if ( (pSiS->VGAEngine == SIS_300_VGA) &&
+ (pSiS->Chipset != PCI_CHIP_SIS300) &&
+ (SR17 & 0x0F) ) {
+
+ if(SR17 & 0x01) CRT1Detected = 1;
+ if(SR17 & 0x0E) OtherDevices = 1;
+
+ } else {
+
+ if(CR32 & 0x20) CRT1Detected = 1;
+ if(CR32 & 0x5F) OtherDevices = 1;
+
+ }
+
+ if(pSiS->CRT1off == -1) {
+ if(!CRT1Detected) {
+
+ /* BIOS detected no CRT1. */
+ /* If other devices exist, switch it off */
+ if(OtherDevices) pSiS->CRT1off = 1;
+ else pSiS->CRT1off = 0;
+
+ } else {
+
+ /* BIOS detected CRT1, leave/switch it on */
+ pSiS->CRT1off = 0;
+
+ }
+ }
+
+ xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
+ "%sCRT1 connection detected\n",
+ CRT1Detected ? "" : "No ");
+}
+
+/* Detect CRT2-LCD and LCD size */
void SISLCDPreInit(ScrnInfoPtr pScrn)
{
SISPtr pSiS = SISPTR(pScrn);
- int CR32, SR17, CR36;
+ unsigned char CR32, SR17, CR36, CR37;
+ USHORT textindex;
- if (!(pSiS->VBFlags & VB_VIDEOBRIDGE))
+ if(!(pSiS->VBFlags & VB_VIDEOBRIDGE)) {
return;
+ }
+
+ inSISIDXREG(SISCR, 0x32, CR32);
+ inSISIDXREG(SISSR, 0x17, SR17);
- inSISIDXREG(pSiS->RelIO+CROFFSET, 0x32, CR32);
- inSISIDXREG(pSiS->RelIO+SROFFSET, 0x17, SR17);
-
- if ( (SR17 & 0x0F) && (pSiS->Chipset != PCI_CHIP_SIS300) ) {
- if ( (SR17 & 0x01) && (!pSiS->CRT1off) )
- pSiS->CRT1off = 0;
- else {
- if (SR17 & 0x0E)
- pSiS->CRT1off = 1;
- else
- pSiS->CRT1off = 0;
- }
- if (SR17 & 0x02)
+ if( (pSiS->VGAEngine == SIS_300_VGA) &&
+ (pSiS->Chipset != PCI_CHIP_SIS300) &&
+ (SR17 & 0x0F) ) {
+ if(SR17 & 0x02)
pSiS->VBFlags |= CRT2_LCD;
} else {
- if ( (CR32 & 0x20) && (!pSiS->CRT1off) )
- pSiS->CRT1off = 0;
- else {
- if (CR32 & 0x5F)
- pSiS->CRT1off = 1;
- else
- pSiS->CRT1off = 0;
- }
- if (CR32 & 0x08)
+ if(CR32 & 0x08)
pSiS->VBFlags |= CRT2_LCD;
}
- if (pSiS->VBFlags & CRT2_LCD) {
- inSISIDXREG(pSiS->RelIO+CROFFSET, 0x36, CR36);
- switch (CR36) {
- case 1:
- pSiS->VBFlags |= LCD_800x600;
- pSiS->LCDheight = 600;
- break;
- case 2:
- pSiS->VBFlags |= LCD_1024x768;
- pSiS->LCDheight = 768;
- break;
- case 3:
- pSiS->VBFlags |= LCD_1280x1024;
- pSiS->LCDheight = 1024;
- break;
- case 4:
- pSiS->VBFlags |= LCD_1280x960; /* TW */
- pSiS->LCDheight = 960;
- break;
- case 5:
- pSiS->VBFlags |= LCD_640x480; /* TW */
- pSiS->LCDheight = 480;
- break;
- default:
- pSiS->VBFlags |= LCD_1024x768; /* TW */
- pSiS->LCDheight = 768;
- break;
- }
+ if(pSiS->VBFlags & CRT2_LCD) {
+ inSISIDXREG(SISCR, 0x36, CR36);
+ inSISIDXREG(SISCR, 0x37, CR37);
+ if((pSiS->VGAEngine == SIS_315_VGA) && (!CR36)) {
+ /* TW: Old 650/301LV BIOS version "forgot" to set CR36, CR37 */
+ xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+ "BIOS-provided LCD information invalid, probing myself...\n");
+ if(pSiS->VBFlags & VB_LVDS) pSiS->SiS_Pr->SiS_IF_DEF_LVDS = 1;
+ else pSiS->SiS_Pr->SiS_IF_DEF_LVDS = 0;
+ SiS_GetPanelID(pSiS->SiS_Pr, &pSiS->sishw_ext);
+ inSISIDXREG(SISCR, 0x36, CR36);
+ inSISIDXREG(SISCR, 0x37, CR37);
+ }
+ if(pSiS->VGAEngine == SIS_300_VGA) {
+ pSiS->VBLCDFlags |= SiS300_LCD_Type[(CR36 & 0x0f)].VBLCD_lcdflag;
+ pSiS->LCDheight = SiS300_LCD_Type[(CR36 & 0x0f)].LCDheight;
+ pSiS->LCDwidth = SiS300_LCD_Type[(CR36 & 0x0f)].LCDwidth;
+ pSiS->sishw_ext.ulCRT2LCDType = SiS300_LCD_Type[(CR36 & 0x0f)].LCDtype;
+ textindex = SiS300_LCD_Type[(CR36 & 0x0f)].LCDrestextindex;
+ } else {
+ pSiS->VBLCDFlags |= SiS310_LCD_Type[(CR36 & 0x0f)].VBLCD_lcdflag;
+ pSiS->LCDheight = SiS310_LCD_Type[(CR36 & 0x0f)].LCDheight;
+ pSiS->LCDwidth = SiS310_LCD_Type[(CR36 & 0x0f)].LCDwidth;
+ pSiS->sishw_ext.ulCRT2LCDType = SiS310_LCD_Type[(CR36 & 0x0f)].LCDtype;
+ textindex = SiS310_LCD_Type[(CR36 & 0x0f)].LCDrestextindex;
+ }
+ xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
+ "Detected LCD panel resolution %s (type %d, %s%s)\n",
+ panelres[textindex],
+ (pSiS->VGAEngine == SIS_315_VGA) ? ((CR36 & 0x0f) - 1) : ((CR36 & 0xf0) >> 4),
+ (pSiS->VBFlags & VB_LVDS) ?
+ (CR37 & 0x10 ? "non-expanding, " : "expanding, ") :
+ ( ((pSiS->VBFlags & VB_301B) && (pSiS->VGAEngine == SIS_300_VGA)) ?
+ (CR37 & 0x10 ? "non-expanding, " : "expanding, ") :
+ (CR37 & 0x10 ? "self-scaling, " : "non-self-scaling, ") ),
+ CR37 & 0x01 ? "RGB18" : "RGB24");
}
}
-/* TW: Detect CRT2-TV connector type and PAL/NTSC flag */
+/* Detect CRT2-TV connector type and PAL/NTSC flag */
void SISTVPreInit(ScrnInfoPtr pScrn)
{
SISPtr pSiS = SISPTR(pScrn);
- int CR32, CR38, SR16, SR17;
+ unsigned char SR16, SR17, SR38, CR32, CR38=0, CR79;
+ int temp = 0;
- if (!(pSiS->VBFlags & VB_VIDEOBRIDGE))
+ if(!(pSiS->VBFlags & VB_VIDEOBRIDGE))
return;
- inSISIDXREG(pSiS->RelIO+CROFFSET, 0x32, CR32);
- inSISIDXREG(pSiS->RelIO+SROFFSET, 0x17, SR17);
+ inSISIDXREG(SISCR, 0x32, CR32);
+ inSISIDXREG(SISSR, 0x17, SR17);
+ inSISIDXREG(SISSR, 0x16, SR16);
+ inSISIDXREG(SISSR, 0x38, SR38);
+ switch(pSiS->VGAEngine) {
+ case SIS_300_VGA:
+ if(pSiS->Chipset != PCI_CHIP_SIS300) temp = 0x35;
+ break;
+ case SIS_315_VGA:
+ temp = 0x38;
+ break;
+ }
+ if(temp) {
+ inSISIDXREG(SISCR, temp, CR38);
+ }
- if ( (SR17 & 0x0F) && (pSiS->Chipset != PCI_CHIP_SIS300) ) {
- if (SR17 & 0x04) /* { */ /* TW: Determine TV type even if not using TV output */
- pSiS->VBFlags |= CRT2_TV;
+#ifdef TWDEBUG
+ xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "(vb.c: SR17=%02x CR32=%02x)\n", SR17, CR32);
+ xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "(vb.c: SR16=%02x SR38=%02x)\n", SR16, SR38);
+#endif
+
+ if( (pSiS->VGAEngine == SIS_300_VGA) &&
+ (pSiS->Chipset != PCI_CHIP_SIS300) &&
+ (SR17 & 0x0F) ) {
- if (SR17 & 0x20)
+ if(SR17 & 0x04)
+ pSiS->VBFlags |= CRT2_TV;
+
+ if(SR17 & 0x20)
pSiS->VBFlags |= TV_SVIDEO;
- else if (SR17 & 0x10)
+ else if (SR17 & 0x10)
pSiS->VBFlags |= TV_AVIDEO;
- inSISIDXREG(pSiS->RelIO+SROFFSET, 0x16, SR16);
- if (SR16 & 0x20)
- pSiS->VBFlags |= TV_PAL;
- else
+
+ if(pSiS->VBFlags & (TV_SVIDEO | TV_AVIDEO)) {
+ if(SR16 & 0x20)
+ pSiS->VBFlags |= TV_PAL;
+ else
pSiS->VBFlags |= TV_NTSC;
- /* } */
+ }
+
} else {
- if (CR32 & 0x47) /* { */
- pSiS->VBFlags |= CRT2_TV;
- if (CR32 & 0x04)
- pSiS->VBFlags |= TV_SCART;
- else if (CR32 & 0x02)
+
+ if(CR32 & 0x47)
+ pSiS->VBFlags |= CRT2_TV;
+
+ if(CR32 & 0x04)
+ pSiS->VBFlags |= TV_SCART;
+ else if(CR32 & 0x02)
pSiS->VBFlags |= TV_SVIDEO;
- else if (CR32 & 0x01)
+ else if(CR32 & 0x01)
pSiS->VBFlags |= TV_AVIDEO;
- else if (CR32 & 0x40)
+ else if(CR32 & 0x40)
pSiS->VBFlags |= (TV_SVIDEO | TV_HIVISION);
- inSISIDXREG(pSiS->RelIO+SROFFSET, 0x38, CR38);
- if (CR38 & 0x01)
- pSiS->VBFlags |= TV_PAL;
- else
- pSiS->VBFlags |= TV_NTSC;
- /* } */
+ else if((CR38 & 0x04) && (pSiS->VBFlags & VB_CHRONTEL))
+ pSiS->VBFlags |= (TV_CHSCART | TV_PAL);
+ else if((CR38 & 0x08) && (pSiS->VBFlags & VB_CHRONTEL))
+ pSiS->VBFlags |= (TV_CHHDTV | TV_NTSC);
+
+ if(pSiS->VBFlags & (TV_SCART | TV_SVIDEO | TV_AVIDEO | TV_HIVISION)) {
+ if( (pSiS->Chipset == PCI_CHIP_SIS550) || /* TW: ? */
+ (pSiS->Chipset == PCI_CHIP_SIS650) ) {
+ inSISIDXREG(SISCR, 0x79, CR79);
+ if(CR79 & 0x20) {
+ pSiS->VBFlags |= TV_PAL;
+ if(CR38 & 0x40) pSiS->VBFlags |= TV_PALM;
+ else if(CR38 & 0x80) pSiS->VBFlags |= TV_PALN;
+ } else
+ pSiS->VBFlags |= TV_NTSC;
+ } else if(pSiS->VGAEngine == SIS_300_VGA) {
+ /* TW: Should be SR38 here as well, but this
+ * does not work. Looks like a BIOS bug (2.04.5c).
+ */
+ if(SR16 & 0x20)
+ pSiS->VBFlags |= TV_PAL;
+ else
+ pSiS->VBFlags |= TV_NTSC;
+ } else { /* 315, 330 */
+ if(SR38 & 0x01) {
+ pSiS->VBFlags |= TV_PAL;
+ if(CR38 & 0x40) pSiS->VBFlags |= TV_PALM;
+ else if(CR38 & 0x80) pSiS->VBFlags |= TV_PALN;
+ } else
+ pSiS->VBFlags |= TV_NTSC;
+ }
+ }
+ }
+ if(pSiS->VBFlags & (TV_SCART | TV_SVIDEO | TV_AVIDEO | TV_HIVISION | TV_CHSCART | TV_CHHDTV)) {
+ xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
+ "%sTV standard %s\n",
+ (pSiS->VBFlags & (TV_CHSCART | TV_CHHDTV)) ? "Using " : "Detected default ",
+ (pSiS->VBFlags & TV_NTSC) ?
+ ((pSiS->VBFlags & TV_CHHDTV) ? "480i HDTV" : "NTSC") :
+ ((pSiS->VBFlags & TV_PALM) ? "PALM" :
+ ((pSiS->VBFlags & TV_PALN) ? "PALN" : "PAL")));
}
-
-/* TW: This is old code: */
-
- /* TW: Reading PAL/NTSC flag from 0x31 is not a good idea. We'd
- * better read this from POWER_ON_TRAP (0x38) some day. */
-#if 0
- inSISIDXREG(pSiS->RelIO+CROFFSET, 0x31, temp);
- if (temp & 0x01)
- pSiS->VBFlags |= TV_PAL;
- else
- pSiS->VBFlags |= TV_NTSC;
-#endif
}
-/* TW: Detect CRT2-VGA */
+/* Detect CRT2-VGA */
void SISCRT2PreInit(ScrnInfoPtr pScrn)
{
SISPtr pSiS = SISPTR(pScrn);
- int SR17, CR32;
+ unsigned char SR17, CR32;
if (!(pSiS->VBFlags & VB_VIDEOBRIDGE))
return;
- inSISIDXREG(pSiS->RelIO+CROFFSET, 0x32, CR32);
- inSISIDXREG(pSiS->RelIO+SROFFSET, 0x17, SR17);
+ /* CRT2-VGA not supported on LVDS and 30xLV(X) */
+ if (pSiS->VBFlags & (VB_LVDS|VB_30xLV|VB_30xLVX))
+ return;
- if ( (SR17 & 0x0F) && (pSiS->Chipset != PCI_CHIP_SIS300) ) {
- if (SR17 & 0x08)
+ inSISIDXREG(SISCR, 0x32, CR32);
+ inSISIDXREG(SISSR, 0x17, SR17);
+
+ if( (pSiS->VGAEngine == SIS_300_VGA) &&
+ (pSiS->Chipset != PCI_CHIP_SIS300) &&
+ (SR17 & 0x0F) ) {
+
+ if(SR17 & 0x08)
pSiS->VBFlags |= CRT2_VGA;
+
} else {
- if (CR32 & 0x10)
+
+ if(CR32 & 0x10)
pSiS->VBFlags |= CRT2_VGA;
+
}
}
+
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2025-09-28 17:33:19 +0000