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path: root/drivers/staging/xgifb/XGI_main_26.c
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Diffstat (limited to 'drivers/staging/xgifb/XGI_main_26.c')
-rw-r--r--drivers/staging/xgifb/XGI_main_26.c101
1 files changed, 33 insertions, 68 deletions
diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index 21c037827de4..85dbf32b1f66 100644
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -156,25 +156,14 @@ static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
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);
+ XGI_SearchModeID(ModeNo, &ModeIdIndex, 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;
@@ -190,7 +179,7 @@ static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
u32 *vmode)
{
unsigned short ModeNo = modeno;
- unsigned short ModeIdIndex = 0, index = 0;
+ unsigned short ModeIdIndex, index = 0;
unsigned short RefreshRateTableIndex = 0;
unsigned short VRE, VBE, VRS, VBS, VDE, VT;
@@ -199,16 +188,10 @@ static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
unsigned long cr_data3;
int A, B, C, D, E, F, temp, j;
InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
+ if (!XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr))
+ return 0;
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];
@@ -219,12 +202,6 @@ static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
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;
@@ -358,7 +335,6 @@ static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
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;
@@ -414,19 +390,26 @@ static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
const char *name)
{
- int i = 0, j = 0, l;
+ unsigned int xres;
+ unsigned int yres;
+ unsigned int bpp;
+ int i;
- while (XGIbios_mode[i].mode_no != 0) {
- l = min(strlen(name), strlen(XGIbios_mode[i].name));
- if (!strncmp(name, XGIbios_mode[i].name, l)) {
+ if (sscanf(name, "%ux%ux%u", &xres, &yres, &bpp) != 3)
+ goto invalid_mode;
+
+ if (bpp == 24)
+ bpp = 32; /* That's for people who mix up color and fb depth. */
+
+ for (i = 0; XGIbios_mode[i].mode_no != 0; i++)
+ if (XGIbios_mode[i].xres == xres &&
+ XGIbios_mode[i].yres == yres &&
+ XGIbios_mode[i].bpp == bpp) {
xgifb_info->mode_idx = i;
- j = 1;
- break;
+ return;
}
- i++;
- }
- if (!j)
- pr_info("Invalid mode '%s'\n", name);
+invalid_mode:
+ pr_info("Invalid mode '%s'\n", name);
}
static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
@@ -1088,7 +1071,7 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
+ var->vsync_len;
#if defined(__powerpc__)
- u8 sr_data, cr_data;
+ u8 cr_data;
#endif
unsigned int drate = 0, hrate = 0;
int found_mode = 0;
@@ -1162,8 +1145,7 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
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->rate_idx = 1;
xgifb_info->refresh_rate = 60;
}
@@ -1680,17 +1662,6 @@ static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
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)
@@ -1911,11 +1882,9 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
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; */
- pr_info("Relocate IO address: %lx [%08lx]\n",
- (unsigned long)pci_resource_start(pdev, 2),
- xgifb_info->dev_info.RelIO);
+ pr_info("Relocate IO address: %Lx [%08lx]\n",
+ (u64) pci_resource_start(pdev, 2),
+ xgifb_info->vga_base);
if (pci_enable_device(pdev)) {
ret = -EIO;
@@ -1927,7 +1896,7 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
xgifb_info->display2_force = true;
}
- XGIRegInit(&xgifb_info->dev_info, (unsigned long)hw_info->pjIOAddress);
+ XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base);
xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
@@ -1950,9 +1919,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
case PCI_DEVICE_ID_XGI_40:
xgifb_info->chip = XG40;
break;
- case PCI_DEVICE_ID_XGI_41:
- xgifb_info->chip = XG41;
- break;
case PCI_DEVICE_ID_XGI_42:
xgifb_info->chip = XG42;
break;
@@ -2006,13 +1972,13 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
xgifb_info->mmio_size);
- pr_info("Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
- xgifb_info->video_base,
+ pr_info("Framebuffer at 0x%Lx, mapped to 0x%p, size %dk\n",
+ (u64) xgifb_info->video_base,
xgifb_info->video_vbase,
xgifb_info->video_size / 1024);
- pr_info("MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
- xgifb_info->mmio_base, xgifb_info->mmio_vbase,
+ pr_info("MMIO at 0x%Lx, mapped to 0x%p, size %ldk\n",
+ (u64) xgifb_info->mmio_base, xgifb_info->mmio_vbase,
xgifb_info->mmio_size / 1024);
pci_set_drvdata(pdev, xgifb_info);
@@ -2174,8 +2140,7 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
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->rate_idx = 1;
xgifb_info->refresh_rate = 60;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.