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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.c158
1 files changed, 33 insertions, 125 deletions
diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index 277e408c39c5..2502c49c9c5b 100644
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -21,7 +21,6 @@
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/pci.h>
-#include <linux/vmalloc.h>
#include <linux/vt_kern.h>
#include <linux/capability.h>
#include <linux/fs.h>
@@ -46,8 +45,7 @@
#define GPIOG_EN (1<<6)
#define GPIOG_READ (1<<1)
-#define XGIFB_ROM_SIZE 65536
-
+static char *forcecrt2type;
static char *mode;
static int vesa = -1;
static unsigned int refresh_rate;
@@ -159,7 +157,6 @@ static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
/* unsigned long temp = 0; */
int Clock;
- XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
@@ -199,7 +196,6 @@ static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
unsigned char sr_data, cr_data, cr_data2;
unsigned long cr_data3;
int A, B, C, D, E, F, temp, j;
- XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
ModeIdIndex, XGI_Pr);
@@ -387,7 +383,7 @@ static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
/* ------------------ Internal helper routines ----------------- */
-static int XGIfb_GetXG21DefaultLVDSModeIdx(void)
+static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
{
int found_mode = 0;
@@ -396,11 +392,11 @@ static int XGIfb_GetXG21DefaultLVDSModeIdx(void)
found_mode = 0;
while ((XGIbios_mode[XGIfb_mode_idx].mode_no != 0)
&& (XGIbios_mode[XGIfb_mode_idx].xres
- <= XGI21_LCDCapList[0].LVDSHDE)) {
+ <= xgifb_info->lvds_data.LVDSHDE)) {
if ((XGIbios_mode[XGIfb_mode_idx].xres
- == XGI21_LCDCapList[0].LVDSHDE)
+ == xgifb_info->lvds_data.LVDSHDE)
&& (XGIbios_mode[XGIfb_mode_idx].yres
- == XGI21_LCDCapList[0].LVDSVDE)
+ == xgifb_info->lvds_data.LVDSVDE)
&& (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) {
found_mode = 1;
break;
@@ -456,51 +452,6 @@ invalid:
printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode);
}
-static int XGIfb_GetXG21LVDSData(struct xgifb_video_info *xgifb_info)
-{
- u8 tmp;
- void __iomem *data = xgifb_info->mmio_vbase + 0x20000;
- int i, j, k;
-
- tmp = xgifb_reg_get(XGISR, 0x1e);
- xgifb_reg_set(XGISR, 0x1e, tmp | 4);
-
- if ((readb(data) == 0x55) &&
- (readb(data + 1) == 0xAA) &&
- (readb(data + 0x65) & 0x1)) {
- i = readw(data + 0x316);
- j = readb(data + i - 1);
- if (j == 0xff)
- j = 1;
-
- k = 0;
- do {
- XGI21_LCDCapList[k].LVDS_Capability = readw(data + i);
- XGI21_LCDCapList[k].LVDSHT = readw(data + i + 2);
- XGI21_LCDCapList[k].LVDSVT = readw(data + i + 4);
- XGI21_LCDCapList[k].LVDSHDE = readw(data + i + 6);
- XGI21_LCDCapList[k].LVDSVDE = readw(data + i + 8);
- XGI21_LCDCapList[k].LVDSHFP = readw(data + i + 10);
- XGI21_LCDCapList[k].LVDSVFP = readw(data + i + 12);
- XGI21_LCDCapList[k].LVDSHSYNC = readw(data + i + 14);
- XGI21_LCDCapList[k].LVDSVSYNC = readw(data + i + 16);
- XGI21_LCDCapList[k].VCLKData1 = readb(data + i + 18);
- XGI21_LCDCapList[k].VCLKData2 = readb(data + i + 19);
- XGI21_LCDCapList[k].PSC_S1 = readb(data + i + 20);
- XGI21_LCDCapList[k].PSC_S2 = readb(data + i + 21);
- XGI21_LCDCapList[k].PSC_S3 = readb(data + i + 22);
- XGI21_LCDCapList[k].PSC_S4 = readb(data + i + 23);
- XGI21_LCDCapList[k].PSC_S5 = readb(data + i + 24);
- i += 25;
- j--;
- k++;
- } while ((j > 0) && (k < (sizeof(XGI21_LCDCapList)
- / sizeof(struct XGI21_LVDSCapStruct))));
- return 1;
- }
- return 0;
-}
-
static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
{
u16 xres, yres;
@@ -508,8 +459,8 @@ static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
if (xgifb_info->chip == XG21) {
if (xgifb_info->display2 == XGIFB_DISP_LCD) {
- xres = XGI21_LCDCapList[0].LVDSHDE;
- yres = XGI21_LCDCapList[0].LVDSVDE;
+ 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)
@@ -1223,7 +1174,7 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
if (isactive) {
XGIfb_pre_setmode(xgifb_info);
- if (XGISetModeNew(hw_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",
@@ -1794,17 +1745,16 @@ static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
XGIfb_crt1off = 0;
}
- if (XGIfb_crt2type != -1)
- /* TW: Override with option */
- xgifb_info->display2 = XGIfb_crt2type;
- else 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_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 */
@@ -1925,8 +1875,6 @@ static int __init XGIfb_setup(char *options)
XGIfb_crt2type = XGIFB_DISP_LCD;
} else if (!strncmp(this_opt, "noypan", 6)) {
XGIfb_ypan = 0;
- } else if (!strncmp(this_opt, "userom:", 7)) {
- XGIfb_userom = xgifb_optval(this_opt, 7);
} else {
mode = this_opt;
}
@@ -1934,35 +1882,12 @@ static int __init XGIfb_setup(char *options)
return 0;
}
-static unsigned char *xgifb_copy_rom(struct pci_dev *dev)
-{
- void __iomem *rom_address;
- unsigned char *rom_copy;
- size_t rom_size;
-
- rom_address = pci_map_rom(dev, &rom_size);
- if (rom_address == NULL)
- return NULL;
-
- rom_copy = vzalloc(XGIFB_ROM_SIZE);
- if (rom_copy == NULL)
- goto done;
-
- rom_size = min_t(size_t, rom_size, XGIFB_ROM_SIZE);
- memcpy_fromio(rom_copy, rom_address, rom_size);
-
-done:
- pci_unmap_rom(dev, rom_address);
- return rom_copy;
-}
-
static int __devinit xgifb_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
u8 reg, reg1;
u8 CR48, CR38;
int ret;
- bool xgi21_drvlcdcaplist = false;
struct fb_info *fb_info;
struct xgifb_video_info *xgifb_info;
struct xgi_hw_device_info *hw_info;
@@ -2001,6 +1926,11 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
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);
@@ -2041,18 +1971,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
printk("XGIfb:chipid = %x\n", xgifb_info->chip);
hw_info->jChipType = xgifb_info->chip;
- if ((xgifb_info->chip == XG21) || (XGIfb_userom)) {
- hw_info->pjVirtualRomBase = xgifb_copy_rom(pdev);
- if (hw_info->pjVirtualRomBase)
- printk(KERN_INFO "XGIfb: Video ROM found and mapped to %p\n",
- hw_info->pjVirtualRomBase);
- else
- printk(KERN_INFO "XGIfb: Video ROM not found\n");
- } else {
- hw_info->pjVirtualRomBase = NULL;
- printk(KERN_INFO "XGIfb: Video ROM usage disabled\n");
- }
-
if (XGIfb_get_dram_size(xgifb_info)) {
printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
ret = -ENODEV;
@@ -2117,8 +2035,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
CR38 = xgifb_reg_get(XGICR, 0x38);
if ((CR38&0xE0) == 0xC0) {
xgifb_info->display2 = XGIFB_DISP_LCD;
- if (!XGIfb_GetXG21LVDSData(xgifb_info))
- xgi21_drvlcdcaplist = true;
} else if ((CR38&0xE0) == 0x60) {
xgifb_info->hasVB = HASVB_CHRONTEL;
} else {
@@ -2193,6 +2109,8 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
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) {
@@ -2254,7 +2172,7 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
if (xgifb_info->display2 == XGIFB_DISP_LCD &&
xgifb_info->chip == XG21)
xgifb_info->mode_idx =
- XGIfb_GetXG21DefaultLVDSModeIdx();
+ XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info);
else
xgifb_info->mode_idx = DEFAULT_MODE;
}
@@ -2264,21 +2182,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev,
goto error_1;
}
- if (xgi21_drvlcdcaplist) {
- int m;
-
- for (m = 0; m < ARRAY_SIZE(XGI21_LCDCapList); m++)
- if ((XGI21_LCDCapList[m].LVDSHDE ==
- XGIbios_mode[xgifb_info->mode_idx].xres) &&
- (XGI21_LCDCapList[m].LVDSVDE ==
- XGIbios_mode[xgifb_info->mode_idx].yres)) {
- xgifb_reg_set(xgifb_info->dev_info.P3d4,
- 0x36,
- m);
- break;
- }
- }
-
/* yilin set default refresh rate */
xgifb_info->refresh_rate = refresh_rate;
if (xgifb_info->refresh_rate == 0)
@@ -2418,7 +2321,6 @@ error_1:
error_0:
release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
error:
- vfree(hw_info->pjVirtualRomBase);
framebuffer_release(fb_info);
return ret;
}
@@ -2442,7 +2344,6 @@ static void __devexit xgifb_remove(struct pci_dev *pdev)
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);
- vfree(xgifb_info->hw_info.pjVirtualRomBase);
framebuffer_release(fb_info);
pci_set_drvdata(pdev, NULL);
}
@@ -2458,6 +2359,8 @@ 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);
@@ -2480,6 +2383,11 @@ 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"
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.