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/*
* Copyright (c) 2005 ASPEED Technology Inc.
*
* 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 the authors not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHORS 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86Resources.h"
#include "xf86RAC.h"
#include "xf86cmap.h"
#include "compiler.h"
#include "mibstore.h"
#include "vgaHW.h"
#include "mipointer.h"
#include "micmap.h"
#include "fb.h"
#include "regionstr.h"
#include "xf86xv.h"
#include <X11/extensions/Xv.h>
#include "vbe.h"
#include "xf86PciInfo.h"
#include "xf86Pci.h"
/* framebuffer offscreen manager */
#include "xf86fbman.h"
/* include xaa includes */
#include "xaa.h"
#include "xaarop.h"
/* H/W cursor support */
#include "xf86Cursor.h"
/* Driver specific headers */
#include "ast.h"
/* Prototype type declaration*/
void vASTOpenKey(ScrnInfoPtr pScrn);
Bool bASTRegInit(ScrnInfoPtr pScrn);
ULONG GetVRAMInfo(ScrnInfoPtr pScrn);
ULONG GetMaxDCLK(ScrnInfoPtr pScrn);
void GetChipType(ScrnInfoPtr pScrn);
void vAST1000DisplayOn(ASTRecPtr pAST);
void vAST1000DisplayOff(ASTRecPtr pAST);
void vSetStartAddressCRT1(ASTRecPtr pAST, ULONG base);
void vASTLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, LOCO *colors, VisualPtr pVisual);
void ASTDisplayPowerManagementSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);
Bool GetVGA2EDID(ScrnInfoPtr pScrn, unsigned char *pEDIDBuffer);
void
vASTOpenKey(ScrnInfoPtr pScrn)
{
ASTRecPtr pAST = ASTPTR(pScrn);
SetIndexReg(CRTC_PORT,0x80, 0xA8);
}
Bool
bASTRegInit(ScrnInfoPtr pScrn)
{
ASTRecPtr pAST = ASTPTR(pScrn);
/* Enable MMIO */
SetIndexRegMask(CRTC_PORT,0xA1, 0xFF, 0x04);
return (TRUE);
}
ULONG
GetVRAMInfo(ScrnInfoPtr pScrn)
{
ASTRecPtr pAST = ASTPTR(pScrn);
UCHAR jReg;
vASTOpenKey(pScrn);
GetIndexRegMask(CRTC_PORT, 0xAA, 0xFF, jReg);
switch (jReg & 0x03)
{
case 0x00:
return (VIDEOMEM_SIZE_08M);
case 0x01:
return (VIDEOMEM_SIZE_16M);
case 0x02:
return (VIDEOMEM_SIZE_32M);
case 0x03:
return (VIDEOMEM_SIZE_64M);
}
return (DEFAULT_VIDEOMEM_SIZE);
}
ULONG
GetMaxDCLK(ScrnInfoPtr pScrn)
{
ASTRecPtr pAST = ASTPTR(pScrn);
UCHAR jReg;
ULONG ulData, ulData2;
ULONG ulRefPLL, ulDeNumerator, ulNumerator, ulDivider;
ULONG ulDRAMBusWidth, ulMCLK, ulDRAMBandwidth, ActualDRAMBandwidth, DRAMEfficiency = 500;
ULONG ulDCLK;
vASTOpenKey(pScrn);
*(ULONG *) (pAST->MMIOVirtualAddr + 0xF004) = 0x1e6e0000;
*(ULONG *) (pAST->MMIOVirtualAddr + 0xF000) = 0x00000001;
*(ULONG *) (pAST->MMIOVirtualAddr + 0x10100) = 0x000000A8;
do {
;
} while (*(volatile ULONG *) (pAST->MMIOVirtualAddr + 0x10100) != 0x000000A8);
/* Get BusWidth */
ulData = *(ULONG * ) (pAST->MMIOVirtualAddr + 0x10004);
if (ulData & 0x40)
ulDRAMBusWidth = 16;
else
ulDRAMBusWidth = 32;
/* Get MCLK */
{
ulData = *(ULONG *) (pAST->MMIOVirtualAddr + 0x10120);
ulData2 = *(ULONG *) (pAST->MMIOVirtualAddr + 0x10170);
if (ulData2 & 0x2000)
ulRefPLL = 14318;
else
ulRefPLL = 12000;
ulDeNumerator = ulData & 0x1F;
ulNumerator = (ulData & 0x3FE0) >> 5;
ulData = (ulData & 0xC000) >> 14;
switch (ulData)
{
case 0x03:
ulDivider = 0x04;
break;
case 0x02:
case 0x01:
ulDivider = 0x02;
break;
default:
ulDivider = 0x01;
}
ulMCLK = ulRefPLL * (ulNumerator + 2) / ((ulDeNumerator + 2) * ulDivider * 1000);
}
/* Get Bandwidth */
/* Modify DARM utilization to 60% for AST1100/2100 16bits DRAM, ycchen@032508 */
if ( ((pAST->jChipType == AST2100) || (pAST->jChipType == AST1100)) && (ulDRAMBusWidth == 16) )
DRAMEfficiency = 600;
ulDRAMBandwidth = ulMCLK * ulDRAMBusWidth * 2 / 8;
ActualDRAMBandwidth = ulDRAMBandwidth * DRAMEfficiency / 1000;
/* Get Max DCLK */
GetIndexRegMask(CRTC_PORT, 0xD0, 0xFF, jReg);
if (jReg & 0x08)
ulDCLK = ActualDRAMBandwidth / ((pScrn->bitsPerPixel+1+16) / 8);
else
ulDCLK = ActualDRAMBandwidth / ((pScrn->bitsPerPixel+1) / 8);
/* Add for AST2100, ycchen@061807 */
if (pAST->jChipType == AST2100)
if (ulDCLK > 200) ulDCLK = 200;
else
if (ulDCLK > 165) ulDCLK = 165;
return(ulDCLK);
}
void
GetChipType(ScrnInfoPtr pScrn)
{
ASTRecPtr pAST = ASTPTR(pScrn);
ULONG ulData;
pAST->jChipType = AST2100;
*(ULONG *) (pAST->MMIOVirtualAddr + 0xF004) = 0x1e6e0000;
*(ULONG *) (pAST->MMIOVirtualAddr + 0xF000) = 0x1;
ulData = *(ULONG *) (pAST->MMIOVirtualAddr + 0x1207c);
if ((ulData & 0x0300) == 0x0200)
pAST->jChipType = AST1100;
}
void
vSetStartAddressCRT1(ASTRecPtr pAST, ULONG base)
{
SetIndexReg(CRTC_PORT,0x0D, (UCHAR) (base & 0xFF));
SetIndexReg(CRTC_PORT,0x0C, (UCHAR) ((base >> 8) & 0xFF));
SetIndexReg(CRTC_PORT,0xAF, (UCHAR) ((base >> 16) & 0xFF));
}
void
vAST1000DisplayOff(ASTRecPtr pAST)
{
SetIndexRegMask(SEQ_PORT,0x01, 0xDF, 0x20);
}
void
vAST1000DisplayOn(ASTRecPtr pAST)
{
SetIndexRegMask(SEQ_PORT,0x01, 0xDF, 0x00);
}
void
vASTLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, LOCO *colors,
VisualPtr pVisual)
{
ASTRecPtr pAST = ASTPTR(pScrn);
int i, j, index;
UCHAR DACIndex, DACR, DACG, DACB;
switch (pScrn->bitsPerPixel) {
case 15:
for(i=0; i<numColors; i++) {
index = indices[i];
for(j=0; j<8; j++) {
DACIndex = (index * 8) + j;
DACR = colors[index].red << (8- pScrn->rgbBits);
DACG = colors[index].green << (8- pScrn->rgbBits);
DACB = colors[index].blue << (8- pScrn->rgbBits);
VGA_LOAD_PALETTE_INDEX (DACIndex, DACR, DACG, DACB);
}
}
break;
case 16:
for(i=0; i<numColors; i++) {
index = indices[i];
for(j=0; j<4; j++) {
DACIndex = (index * 4) + j;
DACR = colors[index/2].red << (8- pScrn->rgbBits);
DACG = colors[index].green << (8- pScrn->rgbBits);
DACB = colors[index/2].blue << (8- pScrn->rgbBits);
VGA_LOAD_PALETTE_INDEX (DACIndex, DACR, DACG, DACB);
}
}
break;
case 24:
for(i=0; i<numColors; i++) {
index = indices[i];
DACIndex = index;
DACR = colors[index].red;
DACG = colors[index].green;
DACB = colors[index].blue;
VGA_LOAD_PALETTE_INDEX (DACIndex, DACR, DACG, DACB);
}
break;
default:
for(i=0; i<numColors; i++) {
index = indices[i];
DACIndex = index;
DACR = colors[index].red >> (8 - pScrn->rgbBits);
DACG = colors[index].green >> (8 - pScrn->rgbBits);
DACB = colors[index].blue >> (8 - pScrn->rgbBits);
VGA_LOAD_PALETTE_INDEX (DACIndex, DACR, DACG, DACB);
}
} /* end of switch */
} /* end of vASTLoadPalette */
void
ASTDisplayPowerManagementSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags)
{
ASTRecPtr pAST;
UCHAR SEQ01, CRB6;
pAST = ASTPTR(pScrn);
SEQ01=CRB6=0;
vASTOpenKey(pScrn);
switch (PowerManagementMode) {
case DPMSModeOn:
/* Screen: On; HSync: On, VSync: On */
SEQ01 = 0x00;
CRB6 = 0x00;
break;
case DPMSModeStandby:
/* Screen: Off; HSync: Off, VSync: On */
SEQ01 = 0x20;
CRB6 = 0x01;
break;
case DPMSModeSuspend:
/* Screen: Off; HSync: On, VSync: Off */
SEQ01 = 0x20;
CRB6 = 0x02;
break;
case DPMSModeOff:
/* Screen: Off; HSync: Off, VSync: Off */
SEQ01 = 0x20;
CRB6 = 0x03;
break;
}
SetIndexRegMask(SEQ_PORT,0x01, 0xDF, SEQ01);
SetIndexRegMask(CRTC_PORT,0xB6, 0xFC, CRB6);
}
#define I2C_BASE 0x1e780000
#define I2C_OFFSET (0xA000 + 0x40 * 4) /* port4 */
#define I2C_DEVICEADDR 0x0A0 /* slave addr */
Bool
GetVGA2EDID(ScrnInfoPtr pScrn, unsigned char *pEDIDBuffer)
{
ASTRecPtr pAST = ASTPTR(pScrn);
UCHAR *ulI2CBase = pAST->MMIOVirtualAddr + 0x10000 + I2C_OFFSET;
ULONG i, ulData;
UCHAR *pjEDID;
pjEDID = pEDIDBuffer;
/* SCU settings */
*(ULONG *) (pAST->MMIOVirtualAddr + 0xF004) = 0x1e6e0000;
*(ULONG *) (pAST->MMIOVirtualAddr + 0xF000) = 0x1;
xf86UDelay(10000);
*(ULONG *) (pAST->MMIOVirtualAddr + 0x12000) = 0x1688A8A8;
ulData = *(ULONG *) (pAST->MMIOVirtualAddr + 0x12004);
ulData &= 0xfffffffb;
*(ULONG *) (pAST->MMIOVirtualAddr + 0x12004) = ulData;
xf86UDelay(10000);
/* I2C settings */
*(ULONG *) (pAST->MMIOVirtualAddr + 0xF004) = I2C_BASE;
*(ULONG *) (pAST->MMIOVirtualAddr + 0xF000) = 0x1;
xf86UDelay(10000);
/* I2C Start */
*(ULONG *) (ulI2CBase + 0x00) = 0x0;
*(ULONG *) (ulI2CBase + 0x04) = 0x77777355;
*(ULONG *) (ulI2CBase + 0x08) = 0x0;
*(ULONG *) (ulI2CBase + 0x10) = 0xffffffff;
*(ULONG *) (ulI2CBase + 0x00) = 0x1;
*(ULONG *) (ulI2CBase + 0x0C) = 0xAF;
*(ULONG *) (ulI2CBase + 0x20) = I2C_DEVICEADDR;
*(ULONG *) (ulI2CBase + 0x14) = 0x03;
do {
ulData = *(volatile ULONG *) (ulI2CBase + 0x10);
} while (!(ulData & 0x03));
if (ulData & 0x02) /* NACK */
return (FALSE);
*(ULONG *) (ulI2CBase + 0x10) = 0xffffffff;
*(ULONG *) (ulI2CBase + 0x20) = (ULONG) 0; /* Offset */
*(ULONG *) (ulI2CBase + 0x14) = 0x02;
do {
ulData = *(volatile ULONG *) (ulI2CBase + 0x10);
} while (!(ulData & 0x01));
*(ULONG *) (ulI2CBase + 0x10) = 0xffffffff;
*(ULONG *) (ulI2CBase + 0x20) = I2C_DEVICEADDR + 1;
*(ULONG *) (ulI2CBase + 0x14) = 0x03;
do {
ulData = *(volatile ULONG *) (ulI2CBase + 0x10);
} while (!(ulData & 0x01));
/* I2C Read */
for (i=0; i<127; i++)
{
*(ULONG *) (ulI2CBase + 0x10) = 0xffffffff;
*(ULONG *) (ulI2CBase + 0x0C) |= 0x10;
*(ULONG *) (ulI2CBase + 0x14) = 0x08;
do {
ulData = *(volatile ULONG *) (ulI2CBase + 0x10);
} while (!(ulData & 0x04));
*(ULONG *) (ulI2CBase + 0x10) = 0xffffffff;
*(UCHAR *) (pjEDID++) = (UCHAR) ((*(ULONG *) (ulI2CBase + 0x20) & 0xFF00) >> 8);
}
/* Read Last Byte */
*(ULONG *) (ulI2CBase + 0x10) = 0xffffffff;
*(ULONG *) (ulI2CBase + 0x0C) |= 0x10;
*(ULONG *) (ulI2CBase + 0x14) = 0x18;
do {
ulData = *(volatile ULONG *) (ulI2CBase + 0x10);
} while (!(ulData & 0x04));
*(ULONG *) (ulI2CBase + 0x10) = 0xffffffff;
*(UCHAR *) (pjEDID++) = (UCHAR) ((*(ULONG *) (ulI2CBase + 0x20) & 0xFF00) >> 8);
/* I2C Stop */
*(ULONG *) (ulI2CBase + 0x10) = 0xffffffff;
*(ULONG *) (ulI2CBase + 0x14) = 0x20;
do {
ulData = *(volatile ULONG *) (ulI2CBase + 0x10);
} while (!(ulData & 0x10));
*(ULONG *) (ulI2CBase + 0x0C) &= 0xffffffef;
*(ULONG *) (ulI2CBase + 0x10) = 0xffffffff;
return (TRUE);
} /* GetVGA2EDID */
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