diff options
Diffstat (limited to 'drivers/staging/xgifb/XGI_main_26.c')
| -rw-r--r-- | drivers/staging/xgifb/XGI_main_26.c | 2084 |
1 files changed, 0 insertions, 2084 deletions
diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c deleted file mode 100644 index 217c6bb82c0d..000000000000 --- a/drivers/staging/xgifb/XGI_main_26.c +++ /dev/null @@ -1,2084 +0,0 @@ -// 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); |