diff options
Diffstat (limited to 'kernel/drivers/staging/xgifb/XGI_main_26.c')
| -rw-r--r-- | kernel/drivers/staging/xgifb/XGI_main_26.c | 2127 |
1 files changed, 2127 insertions, 0 deletions
diff --git a/kernel/drivers/staging/xgifb/XGI_main_26.c b/kernel/drivers/staging/xgifb/XGI_main_26.c new file mode 100644 index 000000000..74e882007 --- /dev/null +++ b/kernel/drivers/staging/xgifb/XGI_main_26.c @@ -0,0 +1,2127 @@ +/* + * 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> + +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif + +#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 ---------------------------- */ + +#ifdef DEBUG +static void dumpVGAReg(void) +{ + u8 i, reg; + + xgifb_reg_set(XGISR, 0x05, 0x86); + + for (i = 0; i < 0x4f; i++) { + reg = xgifb_reg_get(XGISR, 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(XGICR, i); + pr_debug("o 3d4 %x\n", i); + pr_debug("i 3d5 => %x\n", reg); + } +} +#else +static inline void dumpVGAReg(void) +{ +} +#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; + int Clock; + + InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr); + + XGI_SearchModeID(ModeNo, &ModeIdIndex); + + RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo, + ModeIdIndex, XGI_Pr); + + ClockIndex = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK; + + Clock = XGI_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, + 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 == 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) + 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)) { + 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) { + 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 (((rate - XGIfb_vrate[i - 1].refresh) + <= 2) && (XGIfb_vrate[i].idx + != 1)) { + 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 == 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 = (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(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; + + 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(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_SIS_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, + SIS_CRT2_WENABLE_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)) { + pr_debug("FilterTable[%d]-%d: %*ph\n", + filter_tb, filter, + 4, XGI_TV_filter[filter_tb]. + filter[filter]); + 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(__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(XGISR, IND_SIS_PASSWORD, SIS_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); + + 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 = 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(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(__BIG_ENDIAN) + 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(__BIG_ENDIAN) + 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; + pr_err("Unsupported depth %d\n", + xgifb_info->video_bpp); + break; + } + } + XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/ + + 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; + + 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_SIS_PASSWORD, SIS_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, SIS_CRT2_WENABLE_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); + } + 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 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; + + 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 refresh_rate, 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; + } + + /* 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) { + + 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 = + var->green.msb_right = + var->blue.msb_right = + var->transp.offset = var->transp.length = 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; + 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, +}; + +/* ---------------- 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_SIS_DRAM_SIZE, 0x51); + + reg = xgifb_reg_get(XGISR, 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) +{ + u8 cr32, temp = 0; + + xgifb_info->TV_plug = xgifb_info->TV_type = 0; + + cr32 = xgifb_reg_get(XGICR, 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(XGICR, 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 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 & 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 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; + 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: %Lx [%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(&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); + + 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(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_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(XGISR, + IND_SIS_PCI_ADDRESS_SET, + (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE)); + /* Enable 2D accelerator engine */ + xgifb_reg_or(XGISR, 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 = 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); + + dev_info(&pdev->dev, + "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); + + dev_info(&pdev->dev, + "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); + 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(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; + 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(XGIPART4, 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(XGIPART4, 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(XGICR, 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 = 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(&xgifb_info->dev_info, + hw_info, + XGIbios_mode[xgifb_info->mode_idx].mode_no)); + + if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, 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); + +#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_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); +#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); + 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, 0); +MODULE_PARM_DESC(mode, + "Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16)."); + +module_param(forcecrt2type, charp, 0); +MODULE_PARM_DESC(forcecrt2type, + "Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE."); + +module_param(vesa, int, 0); +MODULE_PARM_DESC(vesa, + "Selects the desired default display mode by VESA mode number (eg. 0x117)."); + +module_param(filter, int, 0); +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 != NULL) + 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); |