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gfiber / kernel / windcharger / refs/heads/master / . / drivers / staging / xgifb / XGI_main_26.c
blob: 2502c49c9c5b35efcaed87364064e3d80df4f07d [file] [log] [blame]
/*
* XG20, XG21, XG40, XG42 frame buffer device
* for Linux kernels 2.5.x, 2.6.x
* Base on TW's sis fbdev code.
*/
/* #include <linux/config.h> */
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/console.h>
#include <linux/selection.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/vt_kern.h>
#include <linux/capability.h>
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/io.h>
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif
#include "XGIfb.h"
#include "vgatypes.h"
#include "XGI_main.h"
#include "vb_init.h"
#include "vb_util.h"
#include "vb_setmode.h"
#define Index_CR_GPIO_Reg1 0x48
#define Index_CR_GPIO_Reg3 0x4a
#define GPIOG_EN (1<<6)
#define GPIOG_READ (1<<1)
static char *forcecrt2type;
static char *mode;
static int vesa = -1;
static unsigned int refresh_rate;
/* -------------------- Macro definitions ---------------------------- */
#undef XGIFBDEBUG
#ifdef XGIFBDEBUG
#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
#else
#define DPRINTK(fmt, args...)
#endif
#ifdef XGIFBDEBUG
static void dumpVGAReg(void)
{
u8 i, reg;
xgifb_reg_set(XGISR, 0x05, 0x86);
/*
xgifb_reg_set(XGISR, 0x08, 0x4f);
xgifb_reg_set(XGISR, 0x0f, 0x20);
xgifb_reg_set(XGISR, 0x11, 0x4f);
xgifb_reg_set(XGISR, 0x13, 0x45);
xgifb_reg_set(XGISR, 0x14, 0x51);
xgifb_reg_set(XGISR, 0x1e, 0x41);
xgifb_reg_set(XGISR, 0x1f, 0x0);
xgifb_reg_set(XGISR, 0x20, 0xa1);
xgifb_reg_set(XGISR, 0x22, 0xfb);
xgifb_reg_set(XGISR, 0x26, 0x22);
xgifb_reg_set(XGISR, 0x3e, 0x07);
*/
/* xgifb_reg_set(XGICR, 0x19, 0x00); */
/* xgifb_reg_set(XGICR, 0x1a, 0x3C); */
/* xgifb_reg_set(XGICR, 0x22, 0xff); */
/* xgifb_reg_set(XGICR, 0x3D, 0x10); */
/* xgifb_reg_set(XGICR, 0x4a, 0xf3); */
/* xgifb_reg_set(XGICR, 0x57, 0x0); */
/* xgifb_reg_set(XGICR, 0x7a, 0x2c); */
/* xgifb_reg_set(XGICR, 0x82, 0xcc); */
/* xgifb_reg_set(XGICR, 0x8c, 0x0); */
/*
xgifb_reg_set(XGICR, 0x99, 0x1);
xgifb_reg_set(XGICR, 0x41, 0x40);
*/
for (i = 0; i < 0x4f; i++) {
reg = xgifb_reg_get(XGISR, i);
printk("\no 3c4 %x", i);
printk("\ni 3c5 => %x", reg);
}
for (i = 0; i < 0xF0; i++) {
reg = xgifb_reg_get(XGICR, i);
printk("\no 3d4 %x", i);
printk("\ni 3d5 => %x", reg);
}
/*
xgifb_reg_set(XGIPART1,0x2F,1);
for (i=1; i < 0x50; i++) {
reg = xgifb_reg_get(XGIPART1, i);
printk("\no d004 %x", i);
printk("\ni d005 => %x", reg);
}
for (i=0; i < 0x50; i++) {
reg = xgifb_reg_get(XGIPART2, i);
printk("\no d010 %x", i);
printk("\ni d011 => %x", reg);
}
for (i=0; i < 0x50; i++) {
reg = xgifb_reg_get(XGIPART3, i);
printk("\no d012 %x",i);
printk("\ni d013 => %x",reg);
}
for (i=0; i < 0x50; i++) {
reg = xgifb_reg_get(XGIPART4, i);
printk("\no d014 %x",i);
printk("\ni d015 => %x",reg);
}
*/
}
#else
static inline void dumpVGAReg(void)
{
}
#endif
#if 1
#define DEBUGPRN(x)
#else
#define DEBUGPRN(x) printk(KERN_INFO x "\n");
#endif
/* --------------- Hardware Access Routines -------------------------- */
static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
struct xgi_hw_device_info *HwDeviceExtension,
unsigned char modeno, unsigned char rateindex)
{
unsigned short ModeNo = modeno;
unsigned short ModeIdIndex = 0, ClockIndex = 0;
unsigned short RefreshRateTableIndex = 0;
/* unsigned long temp = 0; */
int Clock;
InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
ModeIdIndex, XGI_Pr);
/*
temp = XGI_SearchModeID(ModeNo , &ModeIdIndex, XGI_Pr) ;
if (!temp) {
printk(KERN_ERR "Could not find mode %x\n", ModeNo);
return 65000;
}
RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
RefreshRateTableIndex += (rateindex - 1);
*/
ClockIndex = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
Clock = XGI_Pr->VCLKData[ClockIndex].CLOCK * 1000;
return Clock;
}
static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
struct xgi_hw_device_info *HwDeviceExtension,
unsigned char modeno, unsigned char rateindex,
u32 *left_margin, u32 *right_margin, u32 *upper_margin,
u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
u32 *vmode)
{
unsigned short ModeNo = modeno;
unsigned short ModeIdIndex = 0, index = 0;
unsigned short RefreshRateTableIndex = 0;
unsigned short VRE, VBE, VRS, VBS, VDE, VT;
unsigned short HRE, HBE, HRS, HBS, HDE, HT;
unsigned char sr_data, cr_data, cr_data2;
unsigned long cr_data3;
int A, B, C, D, E, F, temp, j;
InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
ModeIdIndex, XGI_Pr);
/*
temp = XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr);
if (!temp)
return 0;
RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
RefreshRateTableIndex += (rateindex - 1);
*/
index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[5];
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[0];
/* Horizontal total */
HT = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x03) << 8);
A = HT + 5;
/*
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
Horizontal display enable end
HDE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x0C) << 6);
*/
HDE = (XGI_Pr->RefIndex[RefreshRateTableIndex].XRes >> 3) - 1;
E = HDE + 1;
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[3];
/* Horizontal retrace (=sync) start */
HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
F = HRS - E - 3;
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
/* Horizontal blank start */
HBS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x30) << 4);
sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[6];
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[2];
cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[4];
/* Horizontal blank end */
HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
| ((unsigned short) (sr_data & 0x03) << 6);
/* Horizontal retrace (=sync) end */
HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
temp = HBE - ((E - 1) & 255);
B = (temp > 0) ? temp : (temp + 256);
temp = HRE - ((E + F + 3) & 63);
C = (temp > 0) ? temp : (temp + 64);
D = B - F - C;
*left_margin = D * 8;
*right_margin = F * 8;
*hsync_len = C * 8;
sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[14];
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[8];
cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[9];
/* Vertical total */
VT = (cr_data & 0xFF) | ((unsigned short) (cr_data2 & 0x01) << 8)
| ((unsigned short) (cr_data2 & 0x20) << 4)
| ((unsigned short) (sr_data & 0x01) << 10);
A = VT + 2;
/* cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; */
/* Vertical display enable end */
/*
VDE = (cr_data & 0xff) |
((unsigned short) (cr_data2 & 0x02) << 7) |
((unsigned short) (cr_data2 & 0x40) << 3) |
((unsigned short) (sr_data & 0x02) << 9);
*/
VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes - 1;
E = VDE + 1;
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10];
/* Vertical retrace (=sync) start */
VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
| ((unsigned short) (cr_data2 & 0x80) << 2)
| ((unsigned short) (sr_data & 0x08) << 7);
F = VRS + 1 - E;
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[12];
cr_data3 = (XGI_Pr->XGINEWUB_CRT1Table[index].CR[14] & 0x80) << 5;
/* Vertical blank start */
VBS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x08) << 5)
| ((unsigned short) (cr_data3 & 0x20) << 4)
| ((unsigned short) (sr_data & 0x04) << 8);
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[13];
/* Vertical blank end */
VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
temp = VBE - ((E - 1) & 511);
B = (temp > 0) ? temp : (temp + 512);
cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[11];
/* Vertical retrace (=sync) end */
VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
temp = VRE - ((E + F - 1) & 31);
C = (temp > 0) ? temp : (temp + 32);
D = B - F - C;
*upper_margin = D;
*lower_margin = F;
*vsync_len = C;
if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
*sync &= ~FB_SYNC_VERT_HIGH_ACT;
else
*sync |= FB_SYNC_VERT_HIGH_ACT;
if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
*sync &= ~FB_SYNC_HOR_HIGH_ACT;
else
*sync |= FB_SYNC_HOR_HIGH_ACT;
*vmode = FB_VMODE_NONINTERLACED;
if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
*vmode = FB_VMODE_INTERLACED;
else {
j = 0;
while (XGI_Pr->EModeIDTable[j].Ext_ModeID != 0xff) {
if (XGI_Pr->EModeIDTable[j].Ext_ModeID ==
XGI_Pr->RefIndex[RefreshRateTableIndex].ModeID) {
if (XGI_Pr->EModeIDTable[j].Ext_ModeFlag &
DoubleScanMode) {
*vmode = FB_VMODE_DOUBLE;
}
break;
}
j++;
}
}
return 1;
}
static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
{
XGI_Pr->RelIO = BaseAddr;
XGI_Pr->P3c4 = BaseAddr + 0x14;
XGI_Pr->P3d4 = BaseAddr + 0x24;
XGI_Pr->P3c0 = BaseAddr + 0x10;
XGI_Pr->P3ce = BaseAddr + 0x1e;
XGI_Pr->P3c2 = BaseAddr + 0x12;
XGI_Pr->P3ca = BaseAddr + 0x1a;
XGI_Pr->P3c6 = BaseAddr + 0x16;
XGI_Pr->P3c7 = BaseAddr + 0x17;
XGI_Pr->P3c8 = BaseAddr + 0x18;
XGI_Pr->P3c9 = BaseAddr + 0x19;
XGI_Pr->P3da = BaseAddr + 0x2A;
/* Digital video interface registers (LCD) */
XGI_Pr->Part1Port = BaseAddr + XGI_CRT2_PORT_04;
/* 301 TV Encoder registers */
XGI_Pr->Part2Port = BaseAddr + XGI_CRT2_PORT_10;
/* 301 Macrovision registers */
XGI_Pr->Part3Port = BaseAddr + XGI_CRT2_PORT_12;
/* 301 VGA2 (and LCD) registers */
XGI_Pr->Part4Port = BaseAddr + XGI_CRT2_PORT_14;
/* 301 palette address port registers */
XGI_Pr->Part5Port = BaseAddr + XGI_CRT2_PORT_14 + 2;
}
/* ------------------ Internal helper routines ----------------- */
static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
{
int found_mode = 0;
int XGIfb_mode_idx = 0;
found_mode = 0;
while ((XGIbios_mode[XGIfb_mode_idx].mode_no != 0)
&& (XGIbios_mode[XGIfb_mode_idx].xres
<= xgifb_info->lvds_data.LVDSHDE)) {
if ((XGIbios_mode[XGIfb_mode_idx].xres
== xgifb_info->lvds_data.LVDSHDE)
&& (XGIbios_mode[XGIfb_mode_idx].yres
== xgifb_info->lvds_data.LVDSVDE)
&& (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) {
found_mode = 1;
break;
}
XGIfb_mode_idx++;
}
if (!found_mode)
XGIfb_mode_idx = -1;
return XGIfb_mode_idx;
}
static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
const char *name)
{
int i = 0, j = 0, l;
while (XGIbios_mode[i].mode_no != 0) {
l = min(strlen(name), strlen(XGIbios_mode[i].name));
if (!strncmp(name, XGIbios_mode[i].name, l)) {
xgifb_info->mode_idx = i;
j = 1;
break;
}
i++;
}
if (!j)
printk(KERN_INFO "XGIfb: Invalid mode '%s'\n", name);
}
static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
unsigned int vesamode)
{
int i = 0, j = 0;
if (vesamode == 0)
goto invalid;
vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
while (XGIbios_mode[i].mode_no != 0) {
if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
(XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
xgifb_info->mode_idx = i;
j = 1;
break;
}
i++;
}
invalid:
if (!j)
printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode);
}
static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
{
u16 xres, yres;
struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
if (xgifb_info->chip == XG21) {
if (xgifb_info->display2 == XGIFB_DISP_LCD) {
xres = xgifb_info->lvds_data.LVDSHDE;
yres = xgifb_info->lvds_data.LVDSVDE;
if (XGIbios_mode[myindex].xres > xres)
return -1;
if (XGIbios_mode[myindex].yres > yres)
return -1;
if ((XGIbios_mode[myindex].xres < xres) &&
(XGIbios_mode[myindex].yres < yres)) {
if (XGIbios_mode[myindex].bpp > 8)
return -1;
}
}
return myindex;
}
/* FIXME: for now, all is valid on XG27 */
if (xgifb_info->chip == XG27)
return myindex;
if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
return -1;
switch (xgifb_info->display2) {
case XGIFB_DISP_LCD:
switch (hw_info->ulCRT2LCDType) {
case LCD_640x480:
xres = 640;
yres = 480;
break;
case LCD_800x600:
xres = 800;
yres = 600;
break;
case LCD_1024x600:
xres = 1024;
yres = 600;
break;
case LCD_1024x768:
xres = 1024;
yres = 768;
break;
case LCD_1152x768:
xres = 1152;
yres = 768;
break;
case LCD_1280x960:
xres = 1280;
yres = 960;
break;
case LCD_1280x768:
xres = 1280;
yres = 768;
break;
case LCD_1280x1024:
xres = 1280;
yres = 1024;
break;
case LCD_1400x1050:
xres = 1400;
yres = 1050;
break;
case LCD_1600x1200:
xres = 1600;
yres = 1200;
break;
/* case LCD_320x480: */ /* TW: FSTN */
/*
xres = 320;
yres = 480;
break;
*/
default:
xres = 0;
yres = 0;
break;
}
if (XGIbios_mode[myindex].xres > xres)
return -1;
if (XGIbios_mode[myindex].yres > yres)
return -1;
if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
(hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
switch (XGIbios_mode[myindex].xres) {
case 512:
if (XGIbios_mode[myindex].yres != 512)
return -1;
if (hw_info->ulCRT2LCDType == LCD_1024x600)
return -1;
break;
case 640:
if ((XGIbios_mode[myindex].yres != 400)
&& (XGIbios_mode[myindex].yres
!= 480))
return -1;
break;
case 800:
if (XGIbios_mode[myindex].yres != 600)
return -1;
break;
case 1024:
if ((XGIbios_mode[myindex].yres != 600) &&
(XGIbios_mode[myindex].yres != 768))
return -1;
if ((XGIbios_mode[myindex].yres == 600) &&
(hw_info->ulCRT2LCDType != LCD_1024x600))
return -1;
break;
case 1152:
if ((XGIbios_mode[myindex].yres) != 768)
return -1;
if (hw_info->ulCRT2LCDType != LCD_1152x768)
return -1;
break;
case 1280:
if ((XGIbios_mode[myindex].yres != 768) &&
(XGIbios_mode[myindex].yres != 1024))
return -1;
if ((XGIbios_mode[myindex].yres == 768) &&
(hw_info->ulCRT2LCDType != LCD_1280x768))
return -1;
break;
case 1400:
if (XGIbios_mode[myindex].yres != 1050)
return -1;
break;
case 1600:
if (XGIbios_mode[myindex].yres != 1200)
return -1;
break;
default:
return -1;
}
} else {
switch (XGIbios_mode[myindex].xres) {
case 512:
if (XGIbios_mode[myindex].yres != 512)
return -1;
break;
case 640:
if ((XGIbios_mode[myindex].yres != 400) &&
(XGIbios_mode[myindex].yres != 480))
return -1;
break;
case 800:
if (XGIbios_mode[myindex].yres != 600)
return -1;
break;
case 1024:
if (XGIbios_mode[myindex].yres != 768)
return -1;
break;
case 1280:
if ((XGIbios_mode[myindex].yres != 960) &&
(XGIbios_mode[myindex].yres != 1024))
return -1;
if (XGIbios_mode[myindex].yres == 960) {
if (hw_info->ulCRT2LCDType ==
LCD_1400x1050)
return -1;
}
break;
case 1400:
if (XGIbios_mode[myindex].yres != 1050)
return -1;
break;
case 1600:
if (XGIbios_mode[myindex].yres != 1200)
return -1;
break;
default:
return -1;
}
}
break;
case XGIFB_DISP_TV:
switch (XGIbios_mode[myindex].xres) {
case 512:
case 640:
case 800:
break;
case 720:
if (xgifb_info->TV_type == TVMODE_NTSC) {
if (XGIbios_mode[myindex].yres != 480)
return -1;
} else if (xgifb_info->TV_type == TVMODE_PAL) {
if (XGIbios_mode[myindex].yres != 576)
return -1;
}
/* TW: LVDS/CHRONTEL does not support 720 */
if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
xgifb_info->hasVB == HASVB_CHRONTEL) {
return -1;
}
break;
case 1024:
if (xgifb_info->TV_type == TVMODE_NTSC) {
if (XGIbios_mode[myindex].bpp == 32)
return -1;
}
break;
default:
return -1;
}
break;
case XGIFB_DISP_CRT:
if (XGIbios_mode[myindex].xres > 1280)
return -1;
break;
case XGIFB_DISP_NONE:
break;
}
return myindex;
}
static void XGIfb_search_crt2type(const char *name)
{
int i = 0;
if (name == NULL)
return;
while (XGI_crt2type[i].type_no != -1) {
if (!strcmp(name, XGI_crt2type[i].name)) {
XGIfb_crt2type = XGI_crt2type[i].type_no;
XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
break;
}
i++;
}
if (XGIfb_crt2type < 0)
printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name);
}
static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
unsigned int rate)
{
u16 xres, yres;
int i = 0;
xres = XGIbios_mode[xgifb_info->mode_idx].xres;
yres = XGIbios_mode[xgifb_info->mode_idx].yres;
xgifb_info->rate_idx = 0;
while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
if ((XGIfb_vrate[i].xres == xres) &&
(XGIfb_vrate[i].yres == yres)) {
if (XGIfb_vrate[i].refresh == rate) {
xgifb_info->rate_idx = XGIfb_vrate[i].idx;
break;
} else if (XGIfb_vrate[i].refresh > rate) {
if ((XGIfb_vrate[i].refresh - rate) <= 3) {
DPRINTK("XGIfb: Adjusting rate from %d up to %d\n",
rate, XGIfb_vrate[i].refresh);
xgifb_info->rate_idx =
XGIfb_vrate[i].idx;
xgifb_info->refresh_rate =
XGIfb_vrate[i].refresh;
} else if (((rate - XGIfb_vrate[i - 1].refresh)
<= 2) && (XGIfb_vrate[i].idx
!= 1)) {
DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
rate, XGIfb_vrate[i-1].refresh);
xgifb_info->rate_idx =
XGIfb_vrate[i - 1].idx;
xgifb_info->refresh_rate =
XGIfb_vrate[i - 1].refresh;
}
break;
} else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
rate, XGIfb_vrate[i].refresh);
xgifb_info->rate_idx = XGIfb_vrate[i].idx;
break;
}
}
i++;
}
if (xgifb_info->rate_idx > 0) {
return xgifb_info->rate_idx;
} else {
printk(KERN_INFO "XGIfb: Unsupported rate %d for %dx%d\n",
rate, xres, yres);
return 0;
}
}
static void XGIfb_search_tvstd(const char *name)
{
int i = 0;
if (name == NULL)
return;
while (XGI_tvtype[i].type_no != -1) {
if (!strcmp(name, XGI_tvtype[i].name)) {
XGIfb_tvmode = XGI_tvtype[i].type_no;
break;
}
i++;
}
}
/* ----------- FBDev related routines for all series ----------- */
static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
struct fb_var_screeninfo *var)
{
switch (var->bits_per_pixel) {
case 8:
var->red.offset = var->green.offset = var->blue.offset = 0;
var->red.length = var->green.length = var->blue.length = 6;
xgifb_info->video_cmap_len = 256;
break;
case 16:
var->red.offset = 11;
var->red.length = 5;
var->green.offset = 5;
var->green.length = 6;
var->blue.offset = 0;
var->blue.length = 5;
var->transp.offset = 0;
var->transp.length = 0;
xgifb_info->video_cmap_len = 16;
break;
case 32:
var->red.offset = 16;
var->red.length = 8;
var->green.offset = 8;
var->green.length = 8;
var->blue.offset = 0;
var->blue.length = 8;
var->transp.offset = 24;
var->transp.length = 8;
xgifb_info->video_cmap_len = 16;
break;
}
}
/* --------------------- SetMode routines ------------------------- */
static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
{
u8 cr30 = 0, cr31 = 0;
cr31 = xgifb_reg_get(XGICR, 0x31);
cr31 &= ~0x60;
switch (xgifb_info->display2) {
case XGIFB_DISP_CRT:
cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE);
cr31 |= XGI_DRIVER_MODE;
break;
case XGIFB_DISP_LCD:
cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE);
cr31 |= XGI_DRIVER_MODE;
break;
case XGIFB_DISP_TV:
if (xgifb_info->TV_type == TVMODE_HIVISION)
cr30 = (XGI_VB_OUTPUT_HIVISION
| XGI_SIMULTANEOUS_VIEW_ENABLE);
else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
cr30 = (XGI_VB_OUTPUT_SVIDEO
| XGI_SIMULTANEOUS_VIEW_ENABLE);
else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
cr30 = (XGI_VB_OUTPUT_COMPOSITE
| XGI_SIMULTANEOUS_VIEW_ENABLE);
else if (xgifb_info->TV_plug == TVPLUG_SCART)
cr30 = (XGI_VB_OUTPUT_SCART
| XGI_SIMULTANEOUS_VIEW_ENABLE);
cr31 |= XGI_DRIVER_MODE;
if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
cr31 |= 0x01;
else
cr31 &= ~0x01;
break;
default: /* disable CRT2 */
cr30 = 0x00;
cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE);
}
xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
(xgifb_info->rate_idx & 0x0F));
}
static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
{
u8 reg;
unsigned char doit = 1;
/*
xgifb_reg_set(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD);
xgifb_reg_set(XGICR, 0x13, 0x00);
xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01);
*test*
*/
if (xgifb_info->video_bpp == 8) {
/* TW: We can't switch off CRT1 on LVDS/Chrontel
* in 8bpp Modes */
if ((xgifb_info->hasVB == HASVB_LVDS) ||
(xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
doit = 0;
}
/* TW: We can't switch off CRT1 on 301B-DH
* in 8bpp Modes if using LCD */
if (xgifb_info->display2 == XGIFB_DISP_LCD)
doit = 0;
}
/* TW: We can't switch off CRT1 if bridge is in slave mode */
if (xgifb_info->hasVB != HASVB_NONE) {
reg = xgifb_reg_get(XGIPART1, 0x00);
if ((reg & 0x50) == 0x10)
doit = 0;
} else {
XGIfb_crt1off = 0;
}
reg = xgifb_reg_get(XGICR, 0x17);
if ((XGIfb_crt1off) && (doit))
reg &= ~0x80;
else
reg |= 0x80;
xgifb_reg_set(XGICR, 0x17, reg);
xgifb_reg_and(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04);
if (xgifb_info->display2 == XGIFB_DISP_TV &&
xgifb_info->hasVB == HASVB_301) {
reg = xgifb_reg_get(XGIPART4, 0x01);
if (reg < 0xB0) { /* Set filter for XGI301 */
int filter_tb;
switch (xgifb_info->video_width) {
case 320:
filter_tb = (xgifb_info->TV_type ==
TVMODE_NTSC) ? 4 : 12;
break;
case 640:
filter_tb = (xgifb_info->TV_type ==
TVMODE_NTSC) ? 5 : 13;
break;
case 720:
filter_tb = (xgifb_info->TV_type ==
TVMODE_NTSC) ? 6 : 14;
break;
case 800:
filter_tb = (xgifb_info->TV_type ==
TVMODE_NTSC) ? 7 : 15;
break;
default:
filter_tb = 0;
filter = -1;
break;
}
xgifb_reg_or(XGIPART1,
IND_XGI_CRT2_WRITE_ENABLE_315,
0x01);
if (xgifb_info->TV_type == TVMODE_NTSC) {
xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
xgifb_reg_and(XGIPART2, 0x30, 0xdf);
} else if (xgifb_info->TV_plug
== TVPLUG_COMPOSITE) {
xgifb_reg_or(XGIPART2, 0x30, 0x20);
switch (xgifb_info->video_width) {
case 640:
xgifb_reg_set(XGIPART2,
0x35,
0xEB);
xgifb_reg_set(XGIPART2,
0x36,
0x04);
xgifb_reg_set(XGIPART2,
0x37,
0x25);
xgifb_reg_set(XGIPART2,
0x38,
0x18);
break;
case 720:
xgifb_reg_set(XGIPART2,
0x35,
0xEE);
xgifb_reg_set(XGIPART2,
0x36,
0x0C);
xgifb_reg_set(XGIPART2,
0x37,
0x22);
xgifb_reg_set(XGIPART2,
0x38,
0x08);
break;
case 800:
xgifb_reg_set(XGIPART2,
0x35,
0xEB);
xgifb_reg_set(XGIPART2,
0x36,
0x15);
xgifb_reg_set(XGIPART2,
0x37,
0x25);
xgifb_reg_set(XGIPART2,
0x38,
0xF6);
break;
}
}
} else if (xgifb_info->TV_type == TVMODE_PAL) {
xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
xgifb_reg_and(XGIPART2, 0x30, 0xDF);
} else if (xgifb_info->TV_plug
== TVPLUG_COMPOSITE) {
xgifb_reg_or(XGIPART2, 0x30, 0x20);
switch (xgifb_info->video_width) {
case 640:
xgifb_reg_set(XGIPART2,
0x35,
0xF1);
xgifb_reg_set(XGIPART2,
0x36,
0xF7);
xgifb_reg_set(XGIPART2,
0x37,
0x1F);
xgifb_reg_set(XGIPART2,
0x38,
0x32);
break;
case 720:
xgifb_reg_set(XGIPART2,
0x35,
0xF3);
xgifb_reg_set(XGIPART2,
0x36,
0x00);
xgifb_reg_set(XGIPART2,
0x37,
0x1D);
xgifb_reg_set(XGIPART2,
0x38,
0x20);
break;
case 800:
xgifb_reg_set(XGIPART2,
0x35,
0xFC);
xgifb_reg_set(XGIPART2,
0x36,
0xFB);
xgifb_reg_set(XGIPART2,
0x37,
0x14);
xgifb_reg_set(XGIPART2,
0x38,
0x2A);
break;
}
}
}
if ((filter >= 0) && (filter <= 7)) {
DPRINTK("FilterTable[%d]-%d: %02x %02x %02x %02x\n",
filter_tb, filter,
XGI_TV_filter[filter_tb].
filter[filter][0],
XGI_TV_filter[filter_tb].
filter[filter][1],
XGI_TV_filter[filter_tb].
filter[filter][2],
XGI_TV_filter[filter_tb].
filter[filter][3]
);
xgifb_reg_set(
XGIPART2,
0x35,
(XGI_TV_filter[filter_tb].
filter[filter][0]));
xgifb_reg_set(
XGIPART2,
0x36,
(XGI_TV_filter[filter_tb].
filter[filter][1]));
xgifb_reg_set(
XGIPART2,
0x37,
(XGI_TV_filter[filter_tb].
filter[filter][2]));
xgifb_reg_set(
XGIPART2,
0x38,
(XGI_TV_filter[filter_tb].
filter[filter][3]));
}
}
}
}
static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
struct fb_info *info)
{
struct xgifb_video_info *xgifb_info = info->par;
struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
unsigned int htotal = var->left_margin + var->xres + var->right_margin
+ var->hsync_len;
unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
+ var->vsync_len;
#if defined(__powerpc__)
u8 sr_data, cr_data;
#endif
unsigned int drate = 0, hrate = 0;
int found_mode = 0;
int old_mode;
/* unsigned char reg, reg1; */
DEBUGPRN("Inside do_set_var");
/* printk(KERN_DEBUG "XGIfb:var->yres=%d, var->upper_margin=%d, var->lower_margin=%d, var->vsync_len=%d\n", var->yres, var->upper_margin, var->lower_margin, var->vsync_len); */
info->var.xres_virtual = var->xres_virtual;
info->var.yres_virtual = var->yres_virtual;
info->var.bits_per_pixel = var->bits_per_pixel;
if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
vtotal <<= 1;
else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
vtotal <<= 2;
else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
/* vtotal <<= 1; */
/* var->yres <<= 1; */
}
if (!htotal || !vtotal) {
DPRINTK("XGIfb: Invalid 'var' information\n");
return -EINVAL;
} printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n",
var->pixclock, htotal, vtotal);
if (var->pixclock && htotal && vtotal) {
drate = 1000000000 / var->pixclock;
hrate = (drate * 1000) / htotal;
xgifb_info->refresh_rate = (unsigned int) (hrate * 2
/ vtotal);
} else {
xgifb_info->refresh_rate = 60;
}
printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n",
var->xres,
var->yres,
var->bits_per_pixel,
xgifb_info->refresh_rate);
old_mode = xgifb_info->mode_idx;
xgifb_info->mode_idx = 0;
while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
(XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
(XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
(XGIbios_mode[xgifb_info->mode_idx].bpp
== var->bits_per_pixel)) {
found_mode = 1;
break;
}
xgifb_info->mode_idx++;
}
if (found_mode)
xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
xgifb_info->mode_idx);
else
xgifb_info->mode_idx = -1;
if (xgifb_info->mode_idx < 0) {
printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n",
var->xres, var->yres, var->bits_per_pixel);
xgifb_info->mode_idx = old_mode;
return -EINVAL;
}
if (XGIfb_search_refresh_rate(xgifb_info,
xgifb_info->refresh_rate) == 0) {
xgifb_info->rate_idx =
XGIbios_mode[xgifb_info->mode_idx].rate_idx;
xgifb_info->refresh_rate = 60;
}
if (isactive) {
XGIfb_pre_setmode(xgifb_info);
if (XGISetModeNew(xgifb_info, hw_info,
XGIbios_mode[xgifb_info->mode_idx].mode_no)
== 0) {
printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n",
XGIbios_mode[xgifb_info->mode_idx].mode_no);
return -EINVAL;
}
info->fix.line_length = ((info->var.xres_virtual
* info->var.bits_per_pixel) >> 6);
xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
xgifb_reg_set(XGISR,
0x0E,
(info->fix.line_length & 0xff00) >> 8);
XGIfb_post_setmode(xgifb_info);
DPRINTK("XGIfb: Set new mode: %dx%dx%d-%d\n",
XGIbios_mode[xgifb_info->mode_idx].xres,
XGIbios_mode[xgifb_info->mode_idx].yres,
XGIbios_mode[xgifb_info->mode_idx].bpp,
xgifb_info->refresh_rate);
xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
xgifb_info->video_vwidth = info->var.xres_virtual;
xgifb_info->video_width =
XGIbios_mode[xgifb_info->mode_idx].xres;
xgifb_info->video_vheight = info->var.yres_virtual;
xgifb_info->video_height =
XGIbios_mode[xgifb_info->mode_idx].yres;
xgifb_info->org_x = xgifb_info->org_y = 0;
xgifb_info->video_linelength = info->var.xres_virtual
* (xgifb_info->video_bpp >> 3);
switch (xgifb_info->video_bpp) {
case 8:
xgifb_info->DstColor = 0x0000;
xgifb_info->XGI310_AccelDepth = 0x00000000;
xgifb_info->video_cmap_len = 256;
#if defined(__powerpc__)
cr_data = xgifb_reg_get(XGICR, 0x4D);
xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
#endif
break;
case 16:
xgifb_info->DstColor = 0x8000;
xgifb_info->XGI310_AccelDepth = 0x00010000;
#if defined(__powerpc__)
cr_data = xgifb_reg_get(XGICR, 0x4D);
xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
#endif
xgifb_info->video_cmap_len = 16;
break;
case 32:
xgifb_info->DstColor = 0xC000;
xgifb_info->XGI310_AccelDepth = 0x00020000;
xgifb_info->video_cmap_len = 16;
#if defined(__powerpc__)
cr_data = xgifb_reg_get(XGICR, 0x4D);
xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
#endif
break;
default:
xgifb_info->video_cmap_len = 16;
printk(KERN_ERR "XGIfb: Unsupported depth %d",
xgifb_info->video_bpp);
break;
}
}
XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
DEBUGPRN("End of do_set_var");
dumpVGAReg();
return 0;
}
static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct xgifb_video_info *xgifb_info = info->par;
unsigned int base;
/* printk("Inside pan_var"); */
base = var->yoffset * info->var.xres_virtual + var->xoffset;
/* calculate base bpp dep. */
switch (info->var.bits_per_pixel) {
case 16:
base >>= 1;
break;
case 32:
break;
case 8:
default:
base >>= 2;
break;
}
xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
if (xgifb_info->display2 != XGIFB_DISP_NONE) {
xgifb_reg_or(XGIPART1, IND_XGI_CRT2_WRITE_ENABLE_315, 0x01);
xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
xgifb_reg_and_or(XGIPART1,
0x02,
0x7F,
((base >> 24) & 0x01) << 7);
}
/* printk("End of pan_var"); */
return 0;
}
static int XGIfb_open(struct fb_info *info, int user)
{
return 0;
}
static int XGIfb_release(struct fb_info *info, int user)
{
return 0;
}
static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
{
int rc = 16;
switch (var->bits_per_pixel) {
case 8:
rc = 256;
break;
case 16:
rc = 16;
break;
case 32:
rc = 16;
break;
}
return rc;
}
static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp, struct fb_info *info)
{
struct xgifb_video_info *xgifb_info = info->par;
if (regno >= XGIfb_get_cmap_len(&info->var))
return 1;
switch (info->var.bits_per_pixel) {
case 8:
outb(regno, XGIDACA);
outb((red >> 10), XGIDACD);
outb((green >> 10), XGIDACD);
outb((blue >> 10), XGIDACD);
if (xgifb_info->display2 != XGIFB_DISP_NONE) {
outb(regno, XGIDAC2A);
outb((red >> 8), XGIDAC2D);
outb((green >> 8), XGIDAC2D);
outb((blue >> 8), XGIDAC2D);
}
break;
case 16:
((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
| ((green & 0xfc00) >> 5) | ((blue & 0xf800)
>> 11);
break;
case 32:
red >>= 8;
green >>= 8;
blue >>= 8;
((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
<< 8) | (blue);
break;
}
return 0;
}
/* ----------- FBDev related routines for all series ---------- */
static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
struct fb_info *info)
{
struct xgifb_video_info *xgifb_info = info->par;
DEBUGPRN("inside get_fix");
memset(fix, 0, sizeof(struct fb_fix_screeninfo));
fix->smem_start = xgifb_info->video_base;
fix->smem_len = xgifb_info->video_size;
fix->type = FB_TYPE_PACKED_PIXELS;
fix->type_aux = 0;
if (xgifb_info->video_bpp == 8)
fix->visual = FB_VISUAL_PSEUDOCOLOR;
else
fix->visual = FB_VISUAL_DIRECTCOLOR;
fix->xpanstep = 0;
if (XGIfb_ypan)
fix->ypanstep = 1;
fix->ywrapstep = 0;
fix->line_length = xgifb_info->video_linelength;
fix->mmio_start = xgifb_info->mmio_base;
fix->mmio_len = xgifb_info->mmio_size;
fix->accel = FB_ACCEL_XGI_XABRE;
DEBUGPRN("end of get_fix");
return 0;
}
static int XGIfb_set_par(struct fb_info *info)
{
int err;
/* printk("XGIfb: inside set_par\n"); */
err = XGIfb_do_set_var(&info->var, 1, info);
if (err)
return err;
XGIfb_get_fix(&info->fix, -1, info);
/* printk("XGIfb: end of set_par\n"); */
return 0;
}
static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct xgifb_video_info *xgifb_info = info->par;
unsigned int htotal = var->left_margin + var->xres + var->right_margin
+ var->hsync_len;
unsigned int vtotal = 0;
unsigned int drate = 0, hrate = 0;
int found_mode = 0;
int refresh_rate, search_idx;
DEBUGPRN("Inside check_var");
if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
vtotal = var->upper_margin + var->yres + var->lower_margin
+ var->vsync_len;
vtotal <<= 1;
} else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
vtotal = var->upper_margin + var->yres + var->lower_margin
+ var->vsync_len;
vtotal <<= 2;
} else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
vtotal = var->upper_margin + (var->yres / 2)
+ var->lower_margin + var->vsync_len;
} else
vtotal = var->upper_margin + var->yres + var->lower_margin
+ var->vsync_len;
if (!(htotal) || !(vtotal))
XGIFAIL("XGIfb: no valid timing data");
if (var->pixclock && htotal && vtotal) {
drate = 1000000000 / var->pixclock;
hrate = (drate * 1000) / htotal;
xgifb_info->refresh_rate =
(unsigned int) (hrate * 2 / vtotal);
printk(KERN_DEBUG
"%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
"%s: drate=%d, hrate=%d, refresh_rate=%d\n",
__func__, var->pixclock, htotal, vtotal,
__func__, drate, hrate, xgifb_info->refresh_rate);
} else {
xgifb_info->refresh_rate = 60;
}
/*
if ((var->pixclock) && (htotal)) {
drate = 1E12 / var->pixclock;
hrate = drate / htotal;
refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
} else {
refresh_rate = 60;
}
*/
/* TW: Calculation wrong for 1024x600 - force it to 60Hz */
if ((var->xres == 1024) && (var->yres == 600))
refresh_rate = 60;
search_idx = 0;
while ((XGIbios_mode[search_idx].mode_no != 0) &&
(XGIbios_mode[search_idx].xres <= var->xres)) {
if ((XGIbios_mode[search_idx].xres == var->xres) &&
(XGIbios_mode[search_idx].yres == var->yres) &&
(XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
found_mode = 1;
break;
}
}
search_idx++;
}
if (!found_mode) {
printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n",
var->xres, var->yres, var->bits_per_pixel);
search_idx = 0;
while (XGIbios_mode[search_idx].mode_no != 0) {
if ((var->xres <= XGIbios_mode[search_idx].xres) &&
(var->yres <= XGIbios_mode[search_idx].yres) &&
(var->bits_per_pixel ==
XGIbios_mode[search_idx].bpp)) {
if (XGIfb_validate_mode(xgifb_info,
search_idx) > 0) {
found_mode = 1;
break;
}
}
search_idx++;
}
if (found_mode) {
var->xres = XGIbios_mode[search_idx].xres;
var->yres = XGIbios_mode[search_idx].yres;
printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n",
var->xres, var->yres, var->bits_per_pixel);
} else {
printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n",
var->xres, var->yres, var->bits_per_pixel);
return -EINVAL;
}
}
/* TW: TODO: Check the refresh rate */
/* Adapt RGB settings */
XGIfb_bpp_to_var(xgifb_info, var);
/* Sanity check for offsets */
if (var->xoffset < 0)
var->xoffset = 0;
if (var->yoffset < 0)
var->yoffset = 0;
if (!XGIfb_ypan) {
if (var->xres != var->xres_virtual)
var->xres_virtual = var->xres;
if (var->yres != var->yres_virtual)
var->yres_virtual = var->yres;
} /* else { */
/* TW: Now patch yres_virtual if we use panning */
/* May I do this? */
/* var->yres_virtual = xgifb_info->heapstart /
(var->xres * (var->bits_per_pixel >> 3)); */
/* if (var->yres_virtual <= var->yres) { */
/* TW: Paranoia check */
/* var->yres_virtual = var->yres; */
/* } */
/* } */
/* Truncate offsets to maximum if too high */
if (var->xoffset > var->xres_virtual - var->xres)
var->xoffset = var->xres_virtual - var->xres - 1;
if (var->yoffset > var->yres_virtual - var->yres)
var->yoffset = var->yres_virtual - var->yres - 1;
/* Set everything else to 0 */
var->red.msb_right =
var->green.msb_right =
var->blue.msb_right =
var->transp.offset = var->transp.length = var->transp.msb_right = 0;
DEBUGPRN("end of check_var");
return 0;
}
static int XGIfb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
int err;
/* printk("\nInside pan_display:\n"); */
if (var->xoffset > (info->var.xres_virtual - info->var.xres))
return -EINVAL;
if (var->yoffset > (info->var.yres_virtual - info->var.yres))
return -EINVAL;
if (var->vmode & FB_VMODE_YWRAP) {
if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
|| var->xoffset)
return -EINVAL;
} else {
if (var->xoffset + info->var.xres > info->var.xres_virtual
|| var->yoffset + info->var.yres
> info->var.yres_virtual)
return -EINVAL;
}
err = XGIfb_pan_var(var, info);
if (err < 0)
return err;
info->var.xoffset = var->xoffset;
info->var.yoffset = var->yoffset;
if (var->vmode & FB_VMODE_YWRAP)
info->var.vmode |= FB_VMODE_YWRAP;
else
info->var.vmode &= ~FB_VMODE_YWRAP;
/* printk("End of pan_display\n"); */
return 0;
}
static int XGIfb_blank(int blank, struct fb_info *info)
{
struct xgifb_video_info *xgifb_info = info->par;
u8 reg;
reg = xgifb_reg_get(XGICR, 0x17);
if (blank > 0)
reg &= 0x7f;
else
reg |= 0x80;
xgifb_reg_set(XGICR, 0x17, reg);
xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
return 0;
}
static struct fb_ops XGIfb_ops = {
.owner = THIS_MODULE,
.fb_open = XGIfb_open,
.fb_release = XGIfb_release,
.fb_check_var = XGIfb_check_var,
.fb_set_par = XGIfb_set_par,
.fb_setcolreg = XGIfb_setcolreg,
.fb_pan_display = XGIfb_pan_display,
.fb_blank = XGIfb_blank,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
/* .fb_mmap = XGIfb_mmap, */
};
/* ---------------- Chip generation dependent routines ---------------- */
/* for XGI 315/550/650/740/330 */
static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
{
u8 ChannelNum, tmp;
u8 reg = 0;
/* xorg driver sets 32MB * 1 channel */
if (xgifb_info->chip == XG27)
xgifb_reg_set(XGISR, IND_XGI_DRAM_SIZE, 0x51);
reg = xgifb_reg_get(XGISR, IND_XGI_DRAM_SIZE);
switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
case XGI_DRAM_SIZE_1MB:
xgifb_info->video_size = 0x100000;
break;
case XGI_DRAM_SIZE_2MB:
xgifb_info->video_size = 0x200000;
break;
case XGI_DRAM_SIZE_4MB:
xgifb_info->video_size = 0x400000;
break;
case XGI_DRAM_SIZE_8MB:
xgifb_info->video_size = 0x800000;
break;
case XGI_DRAM_SIZE_16MB:
xgifb_info->video_size = 0x1000000;
break;
case XGI_DRAM_SIZE_32MB:
xgifb_info->video_size = 0x2000000;
break;
case XGI_DRAM_SIZE_64MB:
xgifb_info->video_size = 0x4000000;
break;
case XGI_DRAM_SIZE_128MB:
xgifb_info->video_size = 0x8000000;
break;
case XGI_DRAM_SIZE_256MB:
xgifb_info->video_size = 0x10000000;
break;
default:
return -1;
}
tmp = (reg & 0x0c) >> 2;
switch (xgifb_info->chip) {
case XG20:
case XG21:
case XG27:
ChannelNum = 1;
break;
case XG42:
if (reg & 0x04)
ChannelNum = 2;
else
ChannelNum = 1;
break;
case XG45:
if (tmp == 1)
ChannelNum = 2;
else if (tmp == 2)
ChannelNum = 3;
else if (tmp == 3)
ChannelNum = 4;
else
ChannelNum = 1;
break;
case XG40:
default:
if (tmp == 2)
ChannelNum = 2;
else if (tmp == 3)
ChannelNum = 3;
else
ChannelNum = 1;
break;
}
xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
/* PLiad fixed for benchmarking and fb set */
/* xgifb_info->video_size = 0x200000; */ /* 1024x768x16 */
/* xgifb_info->video_size = 0x1000000; */ /* benchmark */
printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n",
reg,
xgifb_info->video_size, ChannelNum);
return 0;
}
static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
{
u8 cr32, temp = 0;
xgifb_info->TV_plug = xgifb_info->TV_type = 0;
switch (xgifb_info->hasVB) {
case HASVB_LVDS_CHRONTEL:
case HASVB_CHRONTEL:
break;
case HASVB_301:
case HASVB_302:
/* XGI_Sense30x(); */ /* Yi-Lin TV Sense? */
break;
}
cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
if ((cr32 & XGI_CRT1) && !XGIfb_crt1off)
XGIfb_crt1off = 0;
else {
if (cr32 & 0x5F)
XGIfb_crt1off = 1;
else
XGIfb_crt1off = 0;
}
if (!xgifb_info->display2_force) {
if (cr32 & XGI_VB_TV)
xgifb_info->display2 = XGIFB_DISP_TV;
else if (cr32 & XGI_VB_LCD)
xgifb_info->display2 = XGIFB_DISP_LCD;
else if (cr32 & XGI_VB_CRT2)
xgifb_info->display2 = XGIFB_DISP_CRT;
else
xgifb_info->display2 = XGIFB_DISP_NONE;
}
if (XGIfb_tvplug != -1)
/* PR/TW: Override with option */
xgifb_info->TV_plug = XGIfb_tvplug;
else if (cr32 & XGI_VB_HIVISION) {
xgifb_info->TV_type = TVMODE_HIVISION;
xgifb_info->TV_plug = TVPLUG_SVIDEO;
} else if (cr32 & XGI_VB_SVIDEO)
xgifb_info->TV_plug = TVPLUG_SVIDEO;
else if (cr32 & XGI_VB_COMPOSITE)
xgifb_info->TV_plug = TVPLUG_COMPOSITE;
else if (cr32 & XGI_VB_SCART)
xgifb_info->TV_plug = TVPLUG_SCART;
if (xgifb_info->TV_type == 0) {
temp = xgifb_reg_get(XGICR, 0x38);
if (temp & 0x10)
xgifb_info->TV_type = TVMODE_PAL;
else
xgifb_info->TV_type = TVMODE_NTSC;
}
/* TW: Copy forceCRT1 option to CRT1off if option is given */
if (XGIfb_forcecrt1 != -1) {
if (XGIfb_forcecrt1)
XGIfb_crt1off = 0;
else
XGIfb_crt1off = 1;
}
}
static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
{
u8 vb_chipid;
vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
switch (vb_chipid) {
case 0x01:
xgifb_info->hasVB = HASVB_301;
break;
case 0x02:
xgifb_info->hasVB = HASVB_302;
break;
default:
xgifb_info->hasVB = HASVB_NONE;
return 0;
}
return 1;
}
static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
{
u8 reg;
if (!XGIfb_has_VB(xgifb_info)) {
reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) {
case XGI310_EXTERNAL_CHIP_LVDS:
xgifb_info->hasVB = HASVB_LVDS;
break;
case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL:
xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
break;
default:
break;
}
}
}
static int __init xgifb_optval(char *fullopt, int validx)
{
unsigned long lres;
if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
pr_err("xgifb: invalid value for option: %s\n", fullopt);
return 0;
}
return lres;
}
static int __init XGIfb_setup(char *options)
{
char *this_opt;
if (!options || !*options)
return 0;
pr_info("xgifb: options: %s\n", options);
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt)
continue;
if (!strncmp(this_opt, "mode:", 5)) {
mode = this_opt + 5;
} else if (!strncmp(this_opt, "vesa:", 5)) {
vesa = xgifb_optval(this_opt, 5);
} else if (!strncmp(this_opt, "vrate:", 6)) {
refresh_rate = xgifb_optval(this_opt, 6);
} else if (!strncmp(this_opt, "rate:", 5)) {
refresh_rate = xgifb_optval(this_opt, 5);
} else if (!strncmp(this_opt, "crt1off", 7)) {
XGIfb_crt1off = 1;
} else if (!strncmp(this_opt, "filter:", 7)) {
filter = xgifb_optval(this_opt, 7);
} else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
XGIfb_search_crt2type(this_opt + 14);
} else if (!strncmp(this_opt, "forcecrt1:", 10)) {
XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
} else if (!strncmp(this_opt, "tvmode:", 7)) {
XGIfb_search_tvstd(this_opt + 7);
} else if (!strncmp(this_opt, "tvstandard:", 11)) {
XGIfb_search_tvstd(this_opt + 7);
} else if (!strncmp(this_opt, "dstn", 4)) {
enable_dstn = 1;
/* TW: DSTN overrules forcecrt2type */
XGIfb_crt2type = XGIFB_DISP_LCD;
} else if (!strncmp(this_opt, "noypan", 6)) {
XGIfb_ypan = 0;
} else {
mode = this_opt;
}
}
return 0;
}
static int __devinit xgifb_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
u8 reg, reg1;
u8 CR48, CR38;
int ret;
struct fb_info *fb_info;
struct xgifb_video_info *xgifb_info;
struct xgi_hw_device_info *hw_info;
fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
if (!fb_info)
return -ENOMEM;
xgifb_info = fb_info->par;
hw_info = &xgifb_info->hw_info;
xgifb_info->fb_info = fb_info;
xgifb_info->chip_id = pdev->device;
pci_read_config_byte(pdev,
PCI_REVISION_ID,
&xgifb_info->revision_id);
hw_info->jChipRevision = xgifb_info->revision_id;
xgifb_info->pcibus = pdev->bus->number;
xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
xgifb_info->subsysvendor = pdev->subsystem_vendor;
xgifb_info->subsysdevice = pdev->subsystem_device;
xgifb_info->video_base = pci_resource_start(pdev, 0);
xgifb_info->mmio_base = pci_resource_start(pdev, 1);
xgifb_info->mmio_size = pci_resource_len(pdev, 1);
xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
hw_info->pjIOAddress = (unsigned char *)xgifb_info->vga_base;
/* XGI_Pr.RelIO = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; */
printk("XGIfb: Relocate IO address: %lx [%08lx]\n",
(unsigned long)pci_resource_start(pdev, 2),
xgifb_info->dev_info.RelIO);
if (pci_enable_device(pdev)) {
ret = -EIO;
goto error;
}
if (XGIfb_crt2type != -1) {
xgifb_info->display2 = XGIfb_crt2type;
xgifb_info->display2_force = true;
}
XGIRegInit(&xgifb_info->dev_info, (unsigned long)hw_info->pjIOAddress);
xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
reg1 = xgifb_reg_get(XGISR, IND_XGI_PASSWORD);
if (reg1 != 0xa1) { /*I/O error */
printk("\nXGIfb: I/O error!!!");
ret = -EIO;
goto error;
}
switch (xgifb_info->chip_id) {
case PCI_DEVICE_ID_XG_20:
xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
if (CR48&GPIOG_READ)
xgifb_info->chip = XG21;
else
xgifb_info->chip = XG20;
break;
case PCI_DEVICE_ID_XG_40:
xgifb_info->chip = XG40;
break;
case PCI_DEVICE_ID_XG_41:
xgifb_info->chip = XG41;
break;
case PCI_DEVICE_ID_XG_42:
xgifb_info->chip = XG42;
break;
case PCI_DEVICE_ID_XG_27:
xgifb_info->chip = XG27;
break;
default:
ret = -ENODEV;
goto error;
}
printk("XGIfb:chipid = %x\n", xgifb_info->chip);
hw_info->jChipType = xgifb_info->chip;
if (XGIfb_get_dram_size(xgifb_info)) {
printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
ret = -ENODEV;
goto error;
}
/* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
xgifb_reg_or(XGISR,
IND_XGI_PCI_ADDRESS_SET,
(XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE));
/* Enable 2D accelerator engine */
xgifb_reg_or(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D);
hw_info->ulVideoMemorySize = xgifb_info->video_size;
if (!request_mem_region(xgifb_info->video_base,
xgifb_info->video_size,
"XGIfb FB")) {
printk("unable request memory size %x",
xgifb_info->video_size);
printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n");
printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n");
ret = -ENODEV;
goto error;
}
if (!request_mem_region(xgifb_info->mmio_base,
xgifb_info->mmio_size,
"XGIfb MMIO")) {
printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n");
ret = -ENODEV;
goto error_0;
}
xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
ioremap(xgifb_info->video_base, xgifb_info->video_size);
xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
xgifb_info->mmio_size);
printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
xgifb_info->video_base,
xgifb_info->video_vbase,
xgifb_info->video_size / 1024);
printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
xgifb_info->mmio_base, xgifb_info->mmio_vbase,
xgifb_info->mmio_size / 1024);
printk("XGIfb: XGIInitNew() ...");
pci_set_drvdata(pdev, xgifb_info);
if (XGIInitNew(pdev))
printk("OK\n");
else
printk("Fail\n");
xgifb_info->mtrr = (unsigned int) 0;
xgifb_info->hasVB = HASVB_NONE;
if ((xgifb_info->chip == XG20) ||
(xgifb_info->chip == XG27)) {
xgifb_info->hasVB = HASVB_NONE;
} else if (xgifb_info->chip == XG21) {
CR38 = xgifb_reg_get(XGICR, 0x38);
if ((CR38&0xE0) == 0xC0) {
xgifb_info->display2 = XGIFB_DISP_LCD;
} else if ((CR38&0xE0) == 0x60) {
xgifb_info->hasVB = HASVB_CHRONTEL;
} else {
xgifb_info->hasVB = HASVB_NONE;
}
} else {
XGIfb_get_VB_type(xgifb_info);
}
hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
hw_info->ulExternalChip = 0;
switch (xgifb_info->hasVB) {
case HASVB_301:
reg = xgifb_reg_get(XGIPART4, 0x01);
if (reg >= 0xE0) {
hw_info->ujVBChipID = VB_CHIP_302LV;
printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
} else if (reg >= 0xD0) {
hw_info->ujVBChipID = VB_CHIP_301LV;
printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n", reg);
}
/* else if (reg >= 0xB0) {
hw_info->ujVBChipID = VB_CHIP_301B;
reg1 = xgifb_reg_get(XGIPART4, 0x23);
printk("XGIfb: XGI301B bridge detected\n");
} */
else {
hw_info->ujVBChipID = VB_CHIP_301;
printk("XGIfb: XGI301 bridge detected\n");
}
break;
case HASVB_302:
reg = xgifb_reg_get(XGIPART4, 0x01);
if (reg >= 0xE0) {
hw_info->ujVBChipID = VB_CHIP_302LV;
printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
} else if (reg >= 0xD0) {
hw_info->ujVBChipID = VB_CHIP_301LV;
printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
} else if (reg >= 0xB0) {
reg1 = xgifb_reg_get(XGIPART4, 0x23);
hw_info->ujVBChipID = VB_CHIP_302B;
} else {
hw_info->ujVBChipID = VB_CHIP_302;
printk(KERN_INFO "XGIfb: XGI302 bridge detected\n");
}
break;
case HASVB_LVDS:
hw_info->ulExternalChip = 0x1;
printk(KERN_INFO "XGIfb: LVDS transmitter detected\n");
break;
case HASVB_TRUMPION:
hw_info->ulExternalChip = 0x2;
printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n");
break;
case HASVB_CHRONTEL:
hw_info->ulExternalChip = 0x4;
printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n");
break;
case HASVB_LVDS_CHRONTEL:
hw_info->ulExternalChip = 0x5;
printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n");
break;
default:
printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n");
break;
}
if (xgifb_info->hasVB != HASVB_NONE)
XGIfb_detect_VB(xgifb_info);
else if (xgifb_info->chip != XG21)
xgifb_info->display2 = XGIFB_DISP_NONE;
if (xgifb_info->display2 == XGIFB_DISP_LCD) {
if (!enable_dstn) {
reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
reg &= 0x0f;
hw_info->ulCRT2LCDType = XGI310paneltype[reg];
} else {
/* TW: FSTN/DSTN */
hw_info->ulCRT2LCDType = LCD_320x480;
}
}
if ((hw_info->ujVBChipID == VB_CHIP_302B) ||
(hw_info->ujVBChipID == VB_CHIP_301LV) ||
(hw_info->ujVBChipID == VB_CHIP_302LV)) {
int tmp;
tmp = xgifb_reg_get(XGICR, 0x34);
if (tmp <= 0x13) {
/* Currently on LCDA?
*(Some BIOSes leave CR38) */
tmp = xgifb_reg_get(XGICR, 0x38);
if ((tmp & 0x03) == 0x03) {
/* XGI_Pr.XGI_UseLCDA = 1; */
} else {
/* Currently on LCDA?
*(Some newer BIOSes set D0 in CR35) */
tmp = xgifb_reg_get(XGICR, 0x35);
if (tmp & 0x01) {
/* XGI_Pr.XGI_UseLCDA = 1; */
} else {
tmp = xgifb_reg_get(XGICR,
0x30);
if (tmp & 0x20) {
tmp = xgifb_reg_get(
XGIPART1, 0x13);
if (tmp & 0x04) {
/* XGI_Pr.XGI_UseLCDA = 1; */
}
}
}
}
}
}
xgifb_info->mode_idx = -1;
if (mode)
XGIfb_search_mode(xgifb_info, mode);
else if (vesa != -1)
XGIfb_search_vesamode(xgifb_info, vesa);
if (xgifb_info->mode_idx >= 0)
xgifb_info->mode_idx =
XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
if (xgifb_info->mode_idx < 0) {
if (xgifb_info->display2 == XGIFB_DISP_LCD &&
xgifb_info->chip == XG21)
xgifb_info->mode_idx =
XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info);
else
xgifb_info->mode_idx = DEFAULT_MODE;
}
if (xgifb_info->mode_idx < 0) {
dev_err(&pdev->dev, "no supported video mode found\n");
goto error_1;
}
/* yilin set default refresh rate */
xgifb_info->refresh_rate = refresh_rate;
if (xgifb_info->refresh_rate == 0)
xgifb_info->refresh_rate = 60;
if (XGIfb_search_refresh_rate(xgifb_info,
xgifb_info->refresh_rate) == 0) {
xgifb_info->rate_idx =
XGIbios_mode[xgifb_info->mode_idx].rate_idx;
xgifb_info->refresh_rate = 60;
}
xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
xgifb_info->video_vwidth =
xgifb_info->video_width =
XGIbios_mode[xgifb_info->mode_idx].xres;
xgifb_info->video_vheight =
xgifb_info->video_height =
XGIbios_mode[xgifb_info->mode_idx].yres;
xgifb_info->org_x = xgifb_info->org_y = 0;
xgifb_info->video_linelength =
xgifb_info->video_width *
(xgifb_info->video_bpp >> 3);
switch (xgifb_info->video_bpp) {
case 8:
xgifb_info->DstColor = 0x0000;
xgifb_info->XGI310_AccelDepth = 0x00000000;
xgifb_info->video_cmap_len = 256;
break;
case 16:
xgifb_info->DstColor = 0x8000;
xgifb_info->XGI310_AccelDepth = 0x00010000;
xgifb_info->video_cmap_len = 16;
break;
case 32:
xgifb_info->DstColor = 0xC000;
xgifb_info->XGI310_AccelDepth = 0x00020000;
xgifb_info->video_cmap_len = 16;
break;
default:
xgifb_info->video_cmap_len = 16;
printk(KERN_INFO "XGIfb: Unsupported depth %d",
xgifb_info->video_bpp);
break;
}
printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n",
xgifb_info->video_width,
xgifb_info->video_height,
xgifb_info->video_bpp,
xgifb_info->refresh_rate);
fb_info->var.red.length = 8;
fb_info->var.green.length = 8;
fb_info->var.blue.length = 8;
fb_info->var.activate = FB_ACTIVATE_NOW;
fb_info->var.height = -1;
fb_info->var.width = -1;
fb_info->var.vmode = FB_VMODE_NONINTERLACED;
fb_info->var.xres = xgifb_info->video_width;
fb_info->var.xres_virtual = xgifb_info->video_width;
fb_info->var.yres = xgifb_info->video_height;
fb_info->var.yres_virtual = xgifb_info->video_height;
fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
fb_info->var.pixclock = (u32) (1000000000 /
XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
hw_info,
XGIbios_mode[xgifb_info->mode_idx].mode_no,
xgifb_info->rate_idx));
if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
XGIbios_mode[xgifb_info->mode_idx].mode_no,
xgifb_info->rate_idx,
&fb_info->var.left_margin,
&fb_info->var.right_margin,
&fb_info->var.upper_margin,
&fb_info->var.lower_margin,
&fb_info->var.hsync_len,
&fb_info->var.vsync_len,
&fb_info->var.sync,
&fb_info->var.vmode)) {
if ((fb_info->var.vmode & FB_VMODE_MASK) ==
FB_VMODE_INTERLACED) {
fb_info->var.yres <<= 1;
fb_info->var.yres_virtual <<= 1;
} else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
FB_VMODE_DOUBLE) {
fb_info->var.pixclock >>= 1;
fb_info->var.yres >>= 1;
fb_info->var.yres_virtual >>= 1;
}
}
strncpy(fb_info->fix.id, "XGI", sizeof(fb_info->fix.id) - 1);
fb_info->fix.type = FB_TYPE_PACKED_PIXELS;
fb_info->fix.xpanstep = 1;
fb_info->fix.ypanstep = 1;
fb_info->flags = FBINFO_FLAG_DEFAULT;
fb_info->screen_base = xgifb_info->video_vbase;
fb_info->fbops = &XGIfb_ops;
XGIfb_get_fix(&fb_info->fix, -1, fb_info);
fb_info->pseudo_palette = xgifb_info->pseudo_palette;
fb_alloc_cmap(&fb_info->cmap, 256 , 0);
#ifdef CONFIG_MTRR
xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
if (xgifb_info->mtrr >= 0)
dev_info(&pdev->dev, "added MTRR\n");
#endif
if (register_framebuffer(fb_info) < 0) {
ret = -EINVAL;
goto error_mtrr;
}
dumpVGAReg();
return 0;
error_mtrr:
#ifdef CONFIG_MTRR
if (xgifb_info->mtrr >= 0)
mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
xgifb_info->video_size);
#endif /* CONFIG_MTRR */
error_1:
iounmap(xgifb_info->mmio_vbase);
iounmap(xgifb_info->video_vbase);
release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
error_0:
release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
error:
framebuffer_release(fb_info);
return ret;
}
/*****************************************************/
/* PCI DEVICE HANDLING */
/*****************************************************/
static void __devexit xgifb_remove(struct pci_dev *pdev)
{
struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
struct fb_info *fb_info = xgifb_info->fb_info;
unregister_framebuffer(fb_info);
#ifdef CONFIG_MTRR
if (xgifb_info->mtrr >= 0)
mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
xgifb_info->video_size);
#endif /* CONFIG_MTRR */
iounmap(xgifb_info->mmio_vbase);
iounmap(xgifb_info->video_vbase);
release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
framebuffer_release(fb_info);
pci_set_drvdata(pdev, NULL);
}
static struct pci_driver xgifb_driver = {
.name = "xgifb",
.id_table = xgifb_pci_table,
.probe = xgifb_probe,
.remove = __devexit_p(xgifb_remove)
};
static int __init xgifb_init(void)
{
char *option = NULL;
if (forcecrt2type != NULL)
XGIfb_search_crt2type(forcecrt2type);
if (fb_get_options("xgifb", &option))
return -ENODEV;
XGIfb_setup(option);
return pci_register_driver(&xgifb_driver);
}
module_init(xgifb_init);
/*****************************************************/
/* MODULE */
/*****************************************************/
#ifdef MODULE
MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("XGITECH , Others");
module_param(mode, charp, 0);
module_param(vesa, int, 0);
module_param(filter, int, 0);
module_param(forcecrt2type, charp, 0);
MODULE_PARM_DESC(forcecrt2type,
"\nForce the second display output type. Possible values are NONE,\n"
"LCD, TV, VGA, SVIDEO or COMPOSITE.\n");
MODULE_PARM_DESC(mode,
"\nSelects the desired default display mode in the format XxYxDepth,\n"
"eg. 1024x768x16.\n");
MODULE_PARM_DESC(vesa,
"\nSelects the desired default display mode by VESA mode number, eg.\n"
"0x117.\n");
MODULE_PARM_DESC(filter,
"\nSelects TV flicker filter type (only for systems with a SiS301 video bridge).\n"
"(Possible values 0-7, default: [no filter])\n");
static void __exit xgifb_remove_module(void)
{
pci_unregister_driver(&xgifb_driver);
printk(KERN_DEBUG "xgifb: Module unloaded\n");
}
module_exit(xgifb_remove_module);
#endif /* /MODULE */