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coral / linux-mtk / cd07ecfbed82ac971ded1167b6e91052a42674d5 / . / drivers / staging / xgifb / XGI_main_26.c
blob: eca0b50f0df6bf978ca59bc939db7c28ac54a5a7 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/*
* XG20, XG21, XG40, XG42 frame buffer device
* for Linux kernels 2.5.x, 2.6.x
* Base on TW's sis fbdev code.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/sizes.h>
#include <linux/module.h>
#include <linux/pci.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 BIT(6)
#define GPIOG_READ BIT(1)
static char *forcecrt2type;
static char *mode;
static int vesa = -1;
static unsigned int refresh_rate;
/* -------------------- Macro definitions ---------------------------- */
#ifdef DEBUG
static void dumpVGAReg(struct xgifb_video_info *xgifb_info)
{
struct vb_device_info *vb = &xgifb_info->dev_info;
u8 i, reg;
xgifb_reg_set(vb->P3c4, 0x05, 0x86);
for (i = 0; i < 0x4f; i++) {
reg = xgifb_reg_get(vb->P3c4, i);
pr_debug("o 3c4 %x\n", i);
pr_debug("i 3c5 => %x\n", reg);
}
for (i = 0; i < 0xF0; i++) {
reg = xgifb_reg_get(vb->P3d4, i);
pr_debug("o 3d4 %x\n", i);
pr_debug("i 3d5 => %x\n", reg);
}
}
#else
static inline void dumpVGAReg(struct xgifb_video_info *xgifb_info)
{
}
#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 short ModeNo = modeno;
unsigned short ModeIdIndex = 0, ClockIndex = 0;
unsigned short RefreshRateTableIndex = 0;
InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
XGI_SearchModeID(ModeNo, &ModeIdIndex);
RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
ModeIdIndex, XGI_Pr);
ClockIndex = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
return XGI_VCLKData[ClockIndex].CLOCK * 1000;
}
static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
struct xgi_hw_device_info *HwDeviceExtension,
unsigned char modeno, 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, index = 0;
unsigned short RefreshRateTableIndex = 0;
unsigned short VRE, VBE, VRS, VDE;
unsigned short HRE, HBE, HRS, HDE;
unsigned char sr_data, cr_data, cr_data2;
int B, C, D, F, temp, j;
InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
if (!XGI_SearchModeID(ModeNo, &ModeIdIndex))
return 0;
RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
ModeIdIndex, XGI_Pr);
index = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
sr_data = XGI_CRT1Table[index].CR[5];
HDE = XGI330_RefIndex[RefreshRateTableIndex].XRes >> 3;
cr_data = XGI_CRT1Table[index].CR[3];
/* Horizontal retrace (=sync) start */
HRS = (cr_data & 0xff) | ((unsigned short)(sr_data & 0xC0) << 2);
F = HRS - HDE - 3;
sr_data = XGI_CRT1Table[index].CR[6];
cr_data = XGI_CRT1Table[index].CR[2];
cr_data2 = XGI_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 - ((HDE - 1) & 255);
B = (temp > 0) ? temp : (temp + 256);
temp = HRE - ((HDE + 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_CRT1Table[index].CR[14];
cr_data2 = XGI_CRT1Table[index].CR[9];
VDE = XGI330_RefIndex[RefreshRateTableIndex].YRes;
cr_data = XGI_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 - VDE;
cr_data = XGI_CRT1Table[index].CR[13];
/* Vertical blank end */
VBE = (cr_data & 0xff) | ((unsigned short)(sr_data & 0x10) << 4);
temp = VBE - ((VDE - 1) & 511);
B = (temp > 0) ? temp : (temp + 512);
cr_data = XGI_CRT1Table[index].CR[11];
/* Vertical retrace (=sync) end */
VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
temp = VRE - ((VDE + F - 1) & 31);
C = (temp > 0) ? temp : (temp + 32);
D = B - F - C;
*upper_margin = D;
*lower_margin = F;
*vsync_len = C;
if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
*sync &= ~FB_SYNC_VERT_HIGH_ACT;
else
*sync |= FB_SYNC_VERT_HIGH_ACT;
if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
*sync &= ~FB_SYNC_HOR_HIGH_ACT;
else
*sync |= FB_SYNC_HOR_HIGH_ACT;
*vmode = FB_VMODE_NONINTERLACED;
if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080) {
*vmode = FB_VMODE_INTERLACED;
} else {
j = 0;
while (XGI330_EModeIDTable[j].Ext_ModeID != 0xff) {
if (XGI330_EModeIDTable[j].Ext_ModeID ==
XGI330_RefIndex[RefreshRateTableIndex].ModeID) {
if (XGI330_EModeIDTable[j].Ext_ModeFlag &
DoubleScanMode) {
*vmode = FB_VMODE_DOUBLE;
}
break;
}
j++;
}
}
return 1;
}
void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long 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->P3cc = BaseAddr + 0x1c;
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;
XGI_Pr->Part0Port = BaseAddr + XGI_CRT2_PORT_00;
/* Digital video interface registers (LCD) */
XGI_Pr->Part1Port = BaseAddr + SIS_CRT2_PORT_04;
/* 301 TV Encoder registers */
XGI_Pr->Part2Port = BaseAddr + SIS_CRT2_PORT_10;
/* 301 Macrovision registers */
XGI_Pr->Part3Port = BaseAddr + SIS_CRT2_PORT_12;
/* 301 VGA2 (and LCD) registers */
XGI_Pr->Part4Port = BaseAddr + SIS_CRT2_PORT_14;
/* 301 palette address port registers */
XGI_Pr->Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2;
}
/* ------------------ Internal helper routines ----------------- */
static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
{
int i = 0;
while ((XGIbios_mode[i].mode_no != 0) &&
(XGIbios_mode[i].xres <= xgifb_info->lvds_data.LVDSHDE)) {
if ((XGIbios_mode[i].xres == xgifb_info->lvds_data.LVDSHDE) &&
(XGIbios_mode[i].yres == xgifb_info->lvds_data.LVDSVDE) &&
(XGIbios_mode[i].bpp == 8)) {
return i;
}
i++;
}
return -1;
}
static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
const char *name)
{
unsigned int xres;
unsigned int yres;
unsigned int bpp;
int i;
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;
return;
}
invalid_mode:
pr_info("Invalid mode '%s'\n", name);
}
static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
unsigned int vesamode)
{
int i = 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;
return;
}
i++;
}
invalid:
pr_info("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;
unsigned long required_mem;
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;
}
}
goto check_memory;
}
/* FIXME: for now, all is valid on XG27 */
if (xgifb_info->chip == XG27)
goto check_memory;
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;
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;
}
/* 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;
}
check_memory:
required_mem = XGIbios_mode[myindex].xres * XGIbios_mode[myindex].yres *
XGIbios_mode[myindex].bpp / 8;
if (required_mem > xgifb_info->video_size)
return -1;
return myindex;
}
static void XGIfb_search_crt2type(const char *name)
{
int i = 0;
if (!name)
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)
pr_info("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) {
/* Skip values with xres or yres less than specified */
if ((XGIfb_vrate[i].yres != yres) ||
(XGIfb_vrate[i].xres != xres)) {
i++;
continue;
}
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) {
pr_debug("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 ((XGIfb_vrate[i].idx != 1) &&
(rate - XGIfb_vrate[i - 1].refresh <= 2)) {
pr_debug("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) {
pr_debug("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;
pr_info("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)
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 = 0;
var->green.offset = 0;
var->blue.offset = 0;
var->red.length = 6;
var->green.length = 6;
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)
{
struct vb_device_info *vb = &xgifb_info->dev_info;
u8 cr30 = 0, cr31 = 0;
cr31 = xgifb_reg_get(vb->P3d4, 0x31);
cr31 &= ~0x60;
switch (xgifb_info->display2) {
case XGIFB_DISP_CRT:
cr30 = SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE;
cr31 |= SIS_DRIVER_MODE;
break;
case XGIFB_DISP_LCD:
cr30 = SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE;
cr31 |= SIS_DRIVER_MODE;
break;
case XGIFB_DISP_TV:
if (xgifb_info->TV_type == TVMODE_HIVISION)
cr30 = SIS_VB_OUTPUT_HIVISION
| SIS_SIMULTANEOUS_VIEW_ENABLE;
else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
cr30 = SIS_VB_OUTPUT_SVIDEO
| SIS_SIMULTANEOUS_VIEW_ENABLE;
else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
cr30 = SIS_VB_OUTPUT_COMPOSITE
| SIS_SIMULTANEOUS_VIEW_ENABLE;
else if (xgifb_info->TV_plug == TVPLUG_SCART)
cr30 = SIS_VB_OUTPUT_SCART
| SIS_SIMULTANEOUS_VIEW_ENABLE;
cr31 |= SIS_DRIVER_MODE;
if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
cr31 |= 0x01;
else
cr31 &= ~0x01;
break;
default: /* disable CRT2 */
cr30 = 0x00;
cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
}
xgifb_reg_set(vb->P3d4, IND_XGI_SCRATCH_REG_CR30, cr30);
xgifb_reg_set(vb->P3d4, IND_XGI_SCRATCH_REG_CR31, cr31);
xgifb_reg_set(vb->P3d4, IND_XGI_SCRATCH_REG_CR33,
(xgifb_info->rate_idx & 0x0F));
}
static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
{
struct vb_device_info *vb = &xgifb_info->dev_info;
u8 reg;
unsigned char doit = 1;
if (xgifb_info->video_bpp == 8) {
/*
* 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;
}
/*
* We can't switch off CRT1 on 301B-DH
* in 8bpp Modes if using LCD
*/
if (xgifb_info->display2 == XGIFB_DISP_LCD)
doit = 0;
}
/* We can't switch off CRT1 if bridge is in slave mode */
if (xgifb_info->hasVB != HASVB_NONE) {
reg = xgifb_reg_get(vb->Part1Port, 0x00);
if ((reg & 0x50) == 0x10)
doit = 0;
} else {
XGIfb_crt1off = 0;
}
reg = xgifb_reg_get(vb->P3d4, 0x17);
if ((XGIfb_crt1off) && (doit))
reg &= ~0x80;
else
reg |= 0x80;
xgifb_reg_set(vb->P3d4, 0x17, reg);
xgifb_reg_and(vb->P3c4, IND_SIS_RAMDAC_CONTROL, ~0x04);
if (xgifb_info->display2 == XGIFB_DISP_TV &&
xgifb_info->hasVB == HASVB_301) {
reg = xgifb_reg_get(vb->Part4Port, 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(vb->Part1Port, SIS_CRT2_WENABLE_315, 0x01);
if (xgifb_info->TV_type == TVMODE_NTSC) {
xgifb_reg_and(vb->Part2Port, 0x3a, 0x1f);
if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
xgifb_reg_and(vb->Part2Port, 0x30, 0xdf);
} else if (xgifb_info->TV_plug
== TVPLUG_COMPOSITE) {
xgifb_reg_or(vb->Part2Port, 0x30, 0x20);
switch (xgifb_info->video_width) {
case 640:
xgifb_reg_set(vb->Part2Port,
0x35,
0xEB);
xgifb_reg_set(vb->Part2Port,
0x36,
0x04);
xgifb_reg_set(vb->Part2Port,
0x37,
0x25);
xgifb_reg_set(vb->Part2Port,
0x38,
0x18);
break;
case 720:
xgifb_reg_set(vb->Part2Port,
0x35,
0xEE);
xgifb_reg_set(vb->Part2Port,
0x36,
0x0C);
xgifb_reg_set(vb->Part2Port,
0x37,
0x22);
xgifb_reg_set(vb->Part2Port,
0x38,
0x08);
break;
case 800:
xgifb_reg_set(vb->Part2Port,
0x35,
0xEB);
xgifb_reg_set(vb->Part2Port,
0x36,
0x15);
xgifb_reg_set(vb->Part2Port,
0x37,
0x25);
xgifb_reg_set(vb->Part2Port,
0x38,
0xF6);
break;
}
}
} else if (xgifb_info->TV_type == TVMODE_PAL) {
xgifb_reg_and(vb->Part2Port, 0x3A, 0x1F);
if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
xgifb_reg_and(vb->Part2Port, 0x30, 0xDF);
} else if (xgifb_info->TV_plug
== TVPLUG_COMPOSITE) {
xgifb_reg_or(vb->Part2Port, 0x30, 0x20);
switch (xgifb_info->video_width) {
case 640:
xgifb_reg_set(vb->Part2Port,
0x35,
0xF1);
xgifb_reg_set(vb->Part2Port,
0x36,
0xF7);
xgifb_reg_set(vb->Part2Port,
0x37,
0x1F);
xgifb_reg_set(vb->Part2Port,
0x38,
0x32);
break;
case 720:
xgifb_reg_set(vb->Part2Port,
0x35,
0xF3);
xgifb_reg_set(vb->Part2Port,
0x36,
0x00);
xgifb_reg_set(vb->Part2Port,
0x37,
0x1D);
xgifb_reg_set(vb->Part2Port,
0x38,
0x20);
break;
case 800:
xgifb_reg_set(vb->Part2Port,
0x35,
0xFC);
xgifb_reg_set(vb->Part2Port,
0x36,
0xFB);
xgifb_reg_set(vb->Part2Port,
0x37,
0x14);
xgifb_reg_set(vb->Part2Port,
0x38,
0x2A);
break;
}
}
}
if ((filter >= 0) && (filter <= 7)) {
const u8 *f = XGI_TV_filter[filter_tb].filter[filter];
pr_debug("FilterTable[%d]-%d: %*ph\n",
filter_tb, filter, 4, f);
xgifb_reg_set(vb->Part2Port, 0x35, f[0]);
xgifb_reg_set(vb->Part2Port, 0x36, f[1]);
xgifb_reg_set(vb->Part2Port, 0x37, f[2]);
xgifb_reg_set(vb->Part2Port, 0x38, f[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 vb_device_info *vb = &xgifb_info->dev_info;
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(__BIG_ENDIAN)
u8 cr_data;
#endif
unsigned int drate = 0, hrate = 0;
int found_mode = 0;
int old_mode;
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;
if (!htotal || !vtotal) {
pr_debug("Invalid 'var' information\n");
return -EINVAL;
} pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
var->pixclock, htotal, vtotal);
if (var->pixclock) {
drate = 1000000000 / var->pixclock;
hrate = (drate * 1000) / htotal;
xgifb_info->refresh_rate = (unsigned int)(hrate * 2
/ vtotal);
} else {
xgifb_info->refresh_rate = 60;
}
pr_debug("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) {
pr_err("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 = 1;
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) {
pr_err("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(vb->P3c4, IND_SIS_PASSWORD, SIS_PASSWORD);
xgifb_reg_set(vb->P3d4, 0x13, (info->fix.line_length & 0x00ff));
xgifb_reg_set(vb->P3c4, 0x0E,
(info->fix.line_length & 0xff00) >> 8);
XGIfb_post_setmode(xgifb_info);
pr_debug("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 = 0;
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(__BIG_ENDIAN)
cr_data = xgifb_reg_get(vb->P3d4, 0x4D);
xgifb_reg_set(vb->P3d4, 0x4D, (cr_data & 0xE0));
#endif
break;
case 16:
xgifb_info->DstColor = 0x8000;
xgifb_info->XGI310_AccelDepth = 0x00010000;
#if defined(__BIG_ENDIAN)
cr_data = xgifb_reg_get(vb->P3d4, 0x4D);
xgifb_reg_set(vb->P3d4, 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(__BIG_ENDIAN)
cr_data = xgifb_reg_get(vb->P3d4, 0x4D);
xgifb_reg_set(vb->P3d4, 0x4D, ((cr_data & 0xE0) | 0x15));
#endif
break;
default:
xgifb_info->video_cmap_len = 16;
pr_err("Unsupported depth %d\n",
xgifb_info->video_bpp);
break;
}
}
XGIfb_bpp_to_var(xgifb_info, var); /* update ARGB info */
dumpVGAReg(xgifb_info);
return 0;
}
static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct xgifb_video_info *xgifb_info = info->par;
struct vb_device_info *vb = &xgifb_info->dev_info;
unsigned int base;
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(vb->P3c4, IND_SIS_PASSWORD, SIS_PASSWORD);
xgifb_reg_set(vb->P3d4, 0x0D, base & 0xFF);
xgifb_reg_set(vb->P3d4, 0x0C, (base >> 8) & 0xFF);
xgifb_reg_set(vb->P3c4, 0x0D, (base >> 16) & 0xFF);
xgifb_reg_set(vb->P3c4, 0x37, (base >> 24) & 0x03);
xgifb_reg_and_or(vb->P3c4, 0x37, 0xDF, (base >> 21) & 0x04);
if (xgifb_info->display2 != XGIFB_DISP_NONE) {
xgifb_reg_or(vb->Part1Port, SIS_CRT2_WENABLE_315, 0x01);
xgifb_reg_set(vb->Part1Port, 0x06, (base & 0xFF));
xgifb_reg_set(vb->Part1Port, 0x05, ((base >> 8) & 0xFF));
xgifb_reg_set(vb->Part1Port, 0x04, ((base >> 16) & 0xFF));
xgifb_reg_and_or(vb->Part1Port, 0x02, 0x7F,
((base >> 24) & 0x01) << 7);
}
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;
}
/* similar to sisfb_get_cmap_len */
static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
{
return (var->bits_per_pixel == 8) ? 256 : 16;
}
static int XGIfb_setcolreg(unsigned int regno, unsigned int red,
unsigned int green, unsigned int blue,
unsigned int transp, struct fb_info *info)
{
struct xgifb_video_info *xgifb_info = info->par;
struct vb_device_info *vb = &xgifb_info->dev_info;
if (regno >= XGIfb_get_cmap_len(&info->var))
return 1;
switch (info->var.bits_per_pixel) {
case 8:
outb(regno, vb->P3c8);
outb((red >> 10), vb->P3c9);
outb((green >> 10), vb->P3c9);
outb((blue >> 10), vb->P3c9);
if (xgifb_info->display2 != XGIFB_DISP_NONE) {
outb(regno, vb->Part5Port);
outb((red >> 8), (vb->Part5Port + 1));
outb((green >> 8), (vb->Part5Port + 1));
outb((blue >> 8), (vb->Part5Port + 1));
}
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;
memset(fix, 0, sizeof(struct fb_fix_screeninfo));
strncpy(fix->id, "XGI", sizeof(fix->id) - 1);
/* if register_framebuffer has been called, we must lock */
if (atomic_read(&info->count))
mutex_lock(&info->mm_lock);
fix->smem_start = xgifb_info->video_base;
fix->smem_len = xgifb_info->video_size;
/* if register_framebuffer has been called, we can unlock */
if (atomic_read(&info->count))
mutex_unlock(&info->mm_lock);
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_SIS_XABRE;
return 0;
}
static int XGIfb_set_par(struct fb_info *info)
{
int err;
err = XGIfb_do_set_var(&info->var, 1, info);
if (err)
return err;
XGIfb_get_fix(&info->fix, -1, info);
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 search_idx;
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)) {
pr_debug("No valid timing data\n");
return -EINVAL;
}
if (var->pixclock && htotal && vtotal) {
drate = 1000000000 / var->pixclock;
hrate = (drate * 1000) / htotal;
xgifb_info->refresh_rate =
(unsigned int)(hrate * 2 / vtotal);
pr_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;
}
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) {
pr_err("%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;
pr_debug("Adapted to mode %dx%dx%d\n",
var->xres, var->yres, var->bits_per_pixel);
} else {
pr_err("Failed to find similar mode to %dx%dx%d\n",
var->xres, var->yres, var->bits_per_pixel);
return -EINVAL;
}
}
/* Adapt RGB settings */
XGIfb_bpp_to_var(xgifb_info, var);
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;
}
/* 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 = 0;
var->green.msb_right = 0;
var->blue.msb_right = 0;
var->transp.offset = 0;
var->transp.length = 0;
var->transp.msb_right = 0;
return 0;
}
static int XGIfb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
int err;
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 >= 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;
return 0;
}
static int XGIfb_blank(int blank, struct fb_info *info)
{
struct xgifb_video_info *xgifb_info = info->par;
struct vb_device_info *vb = &xgifb_info->dev_info;
u8 reg;
reg = xgifb_reg_get(vb->P3d4, 0x17);
if (blank > 0)
reg &= 0x7f;
else
reg |= 0x80;
xgifb_reg_set(vb->P3d4, 0x17, reg);
xgifb_reg_set(vb->P3c4, 0x00, 0x01); /* Synchronous Reset */
xgifb_reg_set(vb->P3c4, 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,
};
/* ---------------- Chip generation dependent routines ---------------- */
/* for XGI 315/550/650/740/330 */
static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
{
struct vb_device_info *vb = &xgifb_info->dev_info;
u8 ChannelNum, tmp;
u8 reg = 0;
/* xorg driver sets 32MB * 1 channel */
if (xgifb_info->chip == XG27)
xgifb_reg_set(vb->P3c4, IND_SIS_DRAM_SIZE, 0x51);
reg = xgifb_reg_get(vb->P3c4, IND_SIS_DRAM_SIZE);
if (!reg)
return -1;
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 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;
pr_info("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)
{
struct vb_device_info *vb = &xgifb_info->dev_info;
u8 cr32, temp = 0;
xgifb_info->TV_plug = 0;
xgifb_info->TV_type = 0;
cr32 = xgifb_reg_get(vb->P3d4, IND_XGI_SCRATCH_REG_CR32);
if ((cr32 & SIS_CRT1) && !XGIfb_crt1off) {
XGIfb_crt1off = 0;
} else {
if (cr32 & 0x5F)
XGIfb_crt1off = 1;
else
XGIfb_crt1off = 0;
}
if (!xgifb_info->display2_force) {
if (cr32 & SIS_VB_TV)
xgifb_info->display2 = XGIFB_DISP_TV;
else if (cr32 & SIS_VB_LCD)
xgifb_info->display2 = XGIFB_DISP_LCD;
else if (cr32 & SIS_VB_CRT2)
xgifb_info->display2 = XGIFB_DISP_CRT;
else
xgifb_info->display2 = XGIFB_DISP_NONE;
}
if (XGIfb_tvplug != -1) {
/* Override with option */
xgifb_info->TV_plug = XGIfb_tvplug;
} else if (cr32 & SIS_VB_HIVISION) {
xgifb_info->TV_type = TVMODE_HIVISION;
xgifb_info->TV_plug = TVPLUG_SVIDEO;
} else if (cr32 & SIS_VB_SVIDEO) {
xgifb_info->TV_plug = TVPLUG_SVIDEO;
} else if (cr32 & SIS_VB_COMPOSITE) {
xgifb_info->TV_plug = TVPLUG_COMPOSITE;
} else if (cr32 & SIS_VB_SCART) {
xgifb_info->TV_plug = TVPLUG_SCART;
}
if (xgifb_info->TV_type == 0) {
temp = xgifb_reg_get(vb->P3d4, 0x38);
if (temp & 0x10)
xgifb_info->TV_type = TVMODE_PAL;
else
xgifb_info->TV_type = TVMODE_NTSC;
}
/* Copy forceCRT1 option to CRT1off if option is given */
if (XGIfb_forcecrt1 != -1) {
if (XGIfb_forcecrt1)
XGIfb_crt1off = 0;
else
XGIfb_crt1off = 1;
}
}
static bool XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
{
u8 vb_chipid;
vb_chipid = xgifb_reg_get(xgifb_info->dev_info.Part4Port, 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 false;
}
return true;
}
static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
{
u8 reg;
if (!XGIfb_has_VB(xgifb_info)) {
reg = xgifb_reg_get(xgifb_info->dev_info.P3d4,
IND_XGI_SCRATCH_REG_CR37);
switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
case SIS_EXTERNAL_CHIP_LVDS:
xgifb_info->hasVB = HASVB_LVDS;
break;
case SIS_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("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("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;
/* 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 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 vb_device_info *vb;
struct xgi_hw_device_info *hw_info;
unsigned long video_size_max;
fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
if (!fb_info)
return -ENOMEM;
xgifb_info = fb_info->par;
vb = &xgifb_info->dev_info;
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;
video_size_max = pci_resource_len(pdev, 0);
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;
dev_info(&pdev->dev, "Relocate IO address: %llx [%08lx]\n",
(u64)pci_resource_start(pdev, 2),
xgifb_info->vga_base);
if (pci_enable_device(pdev)) {
ret = -EIO;
goto error;
}
if (XGIfb_crt2type != -1) {
xgifb_info->display2 = XGIfb_crt2type;
xgifb_info->display2_force = true;
}
XGIRegInit(vb, xgifb_info->vga_base);
xgifb_reg_set(vb->P3c4,
IND_SIS_PASSWORD, SIS_PASSWORD);
reg1 = xgifb_reg_get(vb->P3c4, IND_SIS_PASSWORD);
if (reg1 != 0xa1) { /* I/O error */
dev_err(&pdev->dev, "I/O error\n");
ret = -EIO;
goto error_disable;
}
switch (xgifb_info->chip_id) {
case PCI_DEVICE_ID_XGI_20:
xgifb_reg_or(vb->P3d4,
Index_CR_GPIO_Reg3, GPIOG_EN);
CR48 = xgifb_reg_get(vb->P3d4,
Index_CR_GPIO_Reg1);
if (CR48 & GPIOG_READ)
xgifb_info->chip = XG21;
else
xgifb_info->chip = XG20;
break;
case PCI_DEVICE_ID_XGI_40:
xgifb_info->chip = XG40;
break;
case PCI_DEVICE_ID_XGI_42:
xgifb_info->chip = XG42;
break;
case PCI_DEVICE_ID_XGI_27:
xgifb_info->chip = XG27;
break;
default:
ret = -ENODEV;
goto error_disable;
}
dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip);
hw_info->jChipType = xgifb_info->chip;
if (XGIfb_get_dram_size(xgifb_info)) {
xgifb_info->video_size = min_t(unsigned long, video_size_max,
SZ_16M);
} else if (xgifb_info->video_size > video_size_max) {
xgifb_info->video_size = video_size_max;
}
/* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
xgifb_reg_or(vb->P3c4,
IND_SIS_PCI_ADDRESS_SET,
(SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
/* Enable 2D accelerator engine */
xgifb_reg_or(vb->P3c4,
IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
hw_info->ulVideoMemorySize = xgifb_info->video_size;
if (!request_mem_region(xgifb_info->video_base,
xgifb_info->video_size,
"XGIfb FB")) {
dev_err(&pdev->dev, "Unable request memory size %x\n",
xgifb_info->video_size);
dev_err(&pdev->dev,
"Fatal error: Unable to reserve frame buffer memory. Is there another framebuffer driver active?\n");
ret = -ENODEV;
goto error_disable;
}
if (!request_mem_region(xgifb_info->mmio_base,
xgifb_info->mmio_size,
"XGIfb MMIO")) {
dev_err(&pdev->dev,
"Fatal error: Unable to reserve MMIO region\n");
ret = -ENODEV;
goto error_0;
}
xgifb_info->video_vbase =
ioremap_wc(xgifb_info->video_base, xgifb_info->video_size);
hw_info->pjVideoMemoryAddress =
ioremap_wc(xgifb_info->video_base, xgifb_info->video_size);
xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
xgifb_info->mmio_size);
dev_info(&pdev->dev,
"Framebuffer at 0x%llx, mapped to 0x%p, size %dk\n",
(u64)xgifb_info->video_base,
xgifb_info->video_vbase,
xgifb_info->video_size / 1024);
dev_info(&pdev->dev,
"MMIO at 0x%llx, 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);
if (!XGIInitNew(pdev))
dev_err(&pdev->dev, "XGIInitNew() failed!\n");
xgifb_info->mtrr = -1;
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(vb->P3d4, 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(vb->Part4Port, 0x01);
if (reg >= 0xE0) {
hw_info->ujVBChipID = VB_CHIP_302LV;
dev_info(&pdev->dev,
"XGI302LV bridge detected (revision 0x%02x)\n",
reg);
} else if (reg >= 0xD0) {
hw_info->ujVBChipID = VB_CHIP_301LV;
dev_info(&pdev->dev,
"XGI301LV bridge detected (revision 0x%02x)\n",
reg);
} else {
hw_info->ujVBChipID = VB_CHIP_301;
dev_info(&pdev->dev, "XGI301 bridge detected\n");
}
break;
case HASVB_302:
reg = xgifb_reg_get(vb->Part4Port, 0x01);
if (reg >= 0xE0) {
hw_info->ujVBChipID = VB_CHIP_302LV;
dev_info(&pdev->dev,
"XGI302LV bridge detected (revision 0x%02x)\n",
reg);
} else if (reg >= 0xD0) {
hw_info->ujVBChipID = VB_CHIP_301LV;
dev_info(&pdev->dev,
"XGI302LV bridge detected (revision 0x%02x)\n",
reg);
} else if (reg >= 0xB0) {
reg1 = xgifb_reg_get(vb->Part4Port,
0x23);
hw_info->ujVBChipID = VB_CHIP_302B;
} else {
hw_info->ujVBChipID = VB_CHIP_302;
dev_info(&pdev->dev, "XGI302 bridge detected\n");
}
break;
case HASVB_LVDS:
hw_info->ulExternalChip = 0x1;
dev_info(&pdev->dev, "LVDS transmitter detected\n");
break;
case HASVB_TRUMPION:
hw_info->ulExternalChip = 0x2;
dev_info(&pdev->dev, "Trumpion Zurac LVDS scaler detected\n");
break;
case HASVB_CHRONTEL:
hw_info->ulExternalChip = 0x4;
dev_info(&pdev->dev, "Chrontel TV encoder detected\n");
break;
case HASVB_LVDS_CHRONTEL:
hw_info->ulExternalChip = 0x5;
dev_info(&pdev->dev,
"LVDS transmitter and Chrontel TV encoder detected\n");
break;
default:
dev_info(&pdev->dev, "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(vb->P3d4,
IND_XGI_LCD_PANEL);
reg &= 0x0f;
hw_info->ulCRT2LCDType = XGI310paneltype[reg];
}
}
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");
ret = -EINVAL;
goto error_1;
}
/* 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 = 1;
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 = 0;
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;
pr_info("Unsupported depth %d\n",
xgifb_info->video_bpp);
break;
}
pr_info("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
(vb, hw_info,
XGIbios_mode[xgifb_info->mode_idx].mode_no));
if (XGIfb_mode_rate_to_ddata(vb, hw_info,
XGIbios_mode[xgifb_info->mode_idx].mode_no,
&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;
}
}
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);
xgifb_info->mtrr = arch_phys_wc_add(xgifb_info->video_base,
xgifb_info->video_size);
if (register_framebuffer(fb_info) < 0) {
ret = -EINVAL;
goto error_mtrr;
}
dumpVGAReg(xgifb_info);
return 0;
error_mtrr:
arch_phys_wc_del(xgifb_info->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_disable:
pci_disable_device(pdev);
error:
framebuffer_release(fb_info);
return ret;
}
/* -------------------- PCI DEVICE HANDLING -------------------- */
static void 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);
arch_phys_wc_del(xgifb_info->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);
pci_disable_device(pdev);
framebuffer_release(fb_info);
}
static struct pci_driver xgifb_driver = {
.name = "xgifb",
.id_table = xgifb_pci_table,
.probe = xgifb_probe,
.remove = xgifb_remove
};
/* -------------------- MODULE -------------------- */
module_param(mode, charp, 0000);
MODULE_PARM_DESC(mode,
"Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16).");
module_param(forcecrt2type, charp, 0000);
MODULE_PARM_DESC(forcecrt2type,
"Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE.");
module_param(vesa, int, 0000);
MODULE_PARM_DESC(vesa,
"Selects the desired default display mode by VESA mode number (eg. 0x117).");
module_param(filter, int, 0000);
MODULE_PARM_DESC(filter,
"Selects TV flicker filter type (only for systems with a SiS301 video bridge). Possible values 0-7. Default: [no filter]).");
static int __init xgifb_init(void)
{
char *option = NULL;
if (forcecrt2type)
XGIfb_search_crt2type(forcecrt2type);
if (fb_get_options("xgifb", &option))
return -ENODEV;
XGIfb_setup(option);
return pci_register_driver(&xgifb_driver);
}
static void __exit xgifb_remove_module(void)
{
pci_unregister_driver(&xgifb_driver);
pr_debug("Module unloaded\n");
}
MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("XGITECH , Others");
module_init(xgifb_init);
module_exit(xgifb_remove_module);