diff options
Diffstat (limited to 'drivers/video/fbdev/sis/sis_main.c')
| -rw-r--r-- | drivers/video/fbdev/sis/sis_main.c | 6844 |
1 files changed, 6844 insertions, 0 deletions
diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c new file mode 100644 index 000000000000..22ad028bf123 --- /dev/null +++ b/drivers/video/fbdev/sis/sis_main.c @@ -0,0 +1,6844 @@ +/* + * SiS 300/540/630[S]/730[S], + * SiS 315[E|PRO]/550/[M]65x/[M]66x[F|M|G]X/[M]74x[GX]/330/[M]76x[GX], + * XGI V3XT/V5/V8, Z7 + * frame buffer driver for Linux kernels >= 2.4.14 and >=2.6.3 + * + * Copyright (C) 2001-2005 Thomas Winischhofer, Vienna, Austria. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the named License, + * or any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA + * + * Author: Thomas Winischhofer <thomas@winischhofer.net> + * + * Author of (practically wiped) code base: + * SiS (www.sis.com) + * Copyright (C) 1999 Silicon Integrated Systems, Inc. + * + * See http://www.winischhofer.net/ for more information and updates + * + * Originally based on the VBE 2.0 compliant graphic boards framebuffer driver, + * which is (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de> + * + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/screen_info.h> +#include <linux/slab.h> +#include <linux/fb.h> +#include <linux/selection.h> +#include <linux/ioport.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/vmalloc.h> +#include <linux/capability.h> +#include <linux/fs.h> +#include <linux/types.h> +#include <linux/uaccess.h> +#include <asm/io.h> +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif + +#include "sis.h" +#include "sis_main.h" + +#if !defined(CONFIG_FB_SIS_300) && !defined(CONFIG_FB_SIS_315) +#warning Neither CONFIG_FB_SIS_300 nor CONFIG_FB_SIS_315 is set +#warning sisfb will not work! +#endif + +static void sisfb_handle_command(struct sis_video_info *ivideo, + struct sisfb_cmd *sisfb_command); + +/* ------------------ Internal helper routines ----------------- */ + +static void __init +sisfb_setdefaultparms(void) +{ + sisfb_off = 0; + sisfb_parm_mem = 0; + sisfb_accel = -1; + sisfb_ypan = -1; + sisfb_max = -1; + sisfb_userom = -1; + sisfb_useoem = -1; + sisfb_mode_idx = -1; + sisfb_parm_rate = -1; + sisfb_crt1off = 0; + sisfb_forcecrt1 = -1; + sisfb_crt2type = -1; + sisfb_crt2flags = 0; + sisfb_pdc = 0xff; + sisfb_pdca = 0xff; + sisfb_scalelcd = -1; + sisfb_specialtiming = CUT_NONE; + sisfb_lvdshl = -1; + sisfb_dstn = 0; + sisfb_fstn = 0; + sisfb_tvplug = -1; + sisfb_tvstd = -1; + sisfb_tvxposoffset = 0; + sisfb_tvyposoffset = 0; + sisfb_nocrt2rate = 0; +#if !defined(__i386__) && !defined(__x86_64__) + sisfb_resetcard = 0; + sisfb_videoram = 0; +#endif +} + +/* ------------- Parameter parsing -------------- */ + +static void sisfb_search_vesamode(unsigned int vesamode, bool quiet) +{ + int i = 0, j = 0; + + /* We don't know the hardware specs yet and there is no ivideo */ + + if(vesamode == 0) { + if(!quiet) + printk(KERN_ERR "sisfb: Invalid mode. Using default.\n"); + + sisfb_mode_idx = DEFAULT_MODE; + + return; + } + + vesamode &= 0x1dff; /* Clean VESA mode number from other flags */ + + while(sisbios_mode[i++].mode_no[0] != 0) { + if( (sisbios_mode[i-1].vesa_mode_no_1 == vesamode) || + (sisbios_mode[i-1].vesa_mode_no_2 == vesamode) ) { + if(sisfb_fstn) { + if(sisbios_mode[i-1].mode_no[1] == 0x50 || + sisbios_mode[i-1].mode_no[1] == 0x56 || + sisbios_mode[i-1].mode_no[1] == 0x53) + continue; + } else { + if(sisbios_mode[i-1].mode_no[1] == 0x5a || + sisbios_mode[i-1].mode_no[1] == 0x5b) + continue; + } + sisfb_mode_idx = i - 1; + j = 1; + break; + } + } + if((!j) && !quiet) + printk(KERN_ERR "sisfb: Invalid VESA mode 0x%x'\n", vesamode); +} + +static void sisfb_search_mode(char *name, bool quiet) +{ + unsigned int j = 0, xres = 0, yres = 0, depth = 0, rate = 0; + int i = 0; + char strbuf[16], strbuf1[20]; + char *nameptr = name; + + /* We don't know the hardware specs yet and there is no ivideo */ + + if(name == NULL) { + if(!quiet) + printk(KERN_ERR "sisfb: Internal error, using default mode.\n"); + + sisfb_mode_idx = DEFAULT_MODE; + return; + } + + if(!strnicmp(name, sisbios_mode[MODE_INDEX_NONE].name, strlen(name))) { + if(!quiet) + printk(KERN_ERR "sisfb: Mode 'none' not supported anymore. Using default.\n"); + + sisfb_mode_idx = DEFAULT_MODE; + return; + } + + if(strlen(name) <= 19) { + strcpy(strbuf1, name); + for(i = 0; i < strlen(strbuf1); i++) { + if(strbuf1[i] < '0' || strbuf1[i] > '9') strbuf1[i] = ' '; + } + + /* This does some fuzzy mode naming detection */ + if(sscanf(strbuf1, "%u %u %u %u", &xres, &yres, &depth, &rate) == 4) { + if((rate <= 32) || (depth > 32)) { + j = rate; rate = depth; depth = j; + } + sprintf(strbuf, "%ux%ux%u", xres, yres, depth); + nameptr = strbuf; + sisfb_parm_rate = rate; + } else if(sscanf(strbuf1, "%u %u %u", &xres, &yres, &depth) == 3) { + sprintf(strbuf, "%ux%ux%u", xres, yres, depth); + nameptr = strbuf; + } else { + xres = 0; + if((sscanf(strbuf1, "%u %u", &xres, &yres) == 2) && (xres != 0)) { + sprintf(strbuf, "%ux%ux8", xres, yres); + nameptr = strbuf; + } else { + sisfb_search_vesamode(simple_strtoul(name, NULL, 0), quiet); + return; + } + } + } + + i = 0; j = 0; + while(sisbios_mode[i].mode_no[0] != 0) { + if(!strnicmp(nameptr, sisbios_mode[i++].name, strlen(nameptr))) { + if(sisfb_fstn) { + if(sisbios_mode[i-1].mode_no[1] == 0x50 || + sisbios_mode[i-1].mode_no[1] == 0x56 || + sisbios_mode[i-1].mode_no[1] == 0x53) + continue; + } else { + if(sisbios_mode[i-1].mode_no[1] == 0x5a || + sisbios_mode[i-1].mode_no[1] == 0x5b) + continue; + } + sisfb_mode_idx = i - 1; + j = 1; + break; + } + } + + if((!j) && !quiet) + printk(KERN_ERR "sisfb: Invalid mode '%s'\n", nameptr); +} + +#ifndef MODULE +static void sisfb_get_vga_mode_from_kernel(void) +{ +#ifdef CONFIG_X86 + char mymode[32]; + int mydepth = screen_info.lfb_depth; + + if(screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB) return; + + if( (screen_info.lfb_width >= 320) && (screen_info.lfb_width <= 2048) && + (screen_info.lfb_height >= 200) && (screen_info.lfb_height <= 1536) && + (mydepth >= 8) && (mydepth <= 32) ) { + + if(mydepth == 24) mydepth = 32; + + sprintf(mymode, "%ux%ux%u", screen_info.lfb_width, + screen_info.lfb_height, + mydepth); + + printk(KERN_DEBUG + "sisfb: Using vga mode %s pre-set by kernel as default\n", + mymode); + + sisfb_search_mode(mymode, true); + } +#endif + return; +} +#endif + +static void __init +sisfb_search_crt2type(const char *name) +{ + int i = 0; + + /* We don't know the hardware specs yet and there is no ivideo */ + + if(name == NULL) return; + + while(sis_crt2type[i].type_no != -1) { + if(!strnicmp(name, sis_crt2type[i].name, strlen(sis_crt2type[i].name))) { + sisfb_crt2type = sis_crt2type[i].type_no; + sisfb_tvplug = sis_crt2type[i].tvplug_no; + sisfb_crt2flags = sis_crt2type[i].flags; + break; + } + i++; + } + + sisfb_dstn = (sisfb_crt2flags & FL_550_DSTN) ? 1 : 0; + sisfb_fstn = (sisfb_crt2flags & FL_550_FSTN) ? 1 : 0; + + if(sisfb_crt2type < 0) + printk(KERN_ERR "sisfb: Invalid CRT2 type: %s\n", name); +} + +static void __init +sisfb_search_tvstd(const char *name) +{ + int i = 0; + + /* We don't know the hardware specs yet and there is no ivideo */ + + if(name == NULL) + return; + + while(sis_tvtype[i].type_no != -1) { + if(!strnicmp(name, sis_tvtype[i].name, strlen(sis_tvtype[i].name))) { + sisfb_tvstd = sis_tvtype[i].type_no; + break; + } + i++; + } +} + +static void __init +sisfb_search_specialtiming(const char *name) +{ + int i = 0; + bool found = false; + + /* We don't know the hardware specs yet and there is no ivideo */ + + if(name == NULL) + return; + + if(!strnicmp(name, "none", 4)) { + sisfb_specialtiming = CUT_FORCENONE; + printk(KERN_DEBUG "sisfb: Special timing disabled\n"); + } else { + while(mycustomttable[i].chipID != 0) { + if(!strnicmp(name,mycustomttable[i].optionName, + strlen(mycustomttable[i].optionName))) { + sisfb_specialtiming = mycustomttable[i].SpecialID; + found = true; + printk(KERN_INFO "sisfb: Special timing for %s %s forced (\"%s\")\n", + mycustomttable[i].vendorName, + mycustomttable[i].cardName, + mycustomttable[i].optionName); + break; + } + i++; + } + if(!found) { + printk(KERN_WARNING "sisfb: Invalid SpecialTiming parameter, valid are:"); + printk(KERN_WARNING "\t\"none\" (to disable special timings)\n"); + i = 0; + while(mycustomttable[i].chipID != 0) { + printk(KERN_WARNING "\t\"%s\" (for %s %s)\n", + mycustomttable[i].optionName, + mycustomttable[i].vendorName, + mycustomttable[i].cardName); + i++; + } + } + } +} + +/* ----------- Various detection routines ----------- */ + +static void sisfb_detect_custom_timing(struct sis_video_info *ivideo) +{ + unsigned char *biosver = NULL; + unsigned char *biosdate = NULL; + bool footprint; + u32 chksum = 0; + int i, j; + + if(ivideo->SiS_Pr.UseROM) { + biosver = ivideo->SiS_Pr.VirtualRomBase + 0x06; + biosdate = ivideo->SiS_Pr.VirtualRomBase + 0x2c; + for(i = 0; i < 32768; i++) + chksum += ivideo->SiS_Pr.VirtualRomBase[i]; + } + + i = 0; + do { + if( (mycustomttable[i].chipID == ivideo->chip) && + ((!strlen(mycustomttable[i].biosversion)) || + (ivideo->SiS_Pr.UseROM && + (!strncmp(mycustomttable[i].biosversion, biosver, + strlen(mycustomttable[i].biosversion))))) && + ((!strlen(mycustomttable[i].biosdate)) || + (ivideo->SiS_Pr.UseROM && + (!strncmp(mycustomttable[i].biosdate, biosdate, + strlen(mycustomttable[i].biosdate))))) && + ((!mycustomttable[i].bioschksum) || + (ivideo->SiS_Pr.UseROM && + (mycustomttable[i].bioschksum == chksum))) && + (mycustomttable[i].pcisubsysvendor == ivideo->subsysvendor) && + (mycustomttable[i].pcisubsyscard == ivideo->subsysdevice) ) { + footprint = true; + for(j = 0; j < 5; j++) { + if(mycustomttable[i].biosFootprintAddr[j]) { + if(ivideo->SiS_Pr.UseROM) { + if(ivideo->SiS_Pr.VirtualRomBase[mycustomttable[i].biosFootprintAddr[j]] != + mycustomttable[i].biosFootprintData[j]) { + footprint = false; + } + } else + footprint = false; + } + } + if(footprint) { + ivideo->SiS_Pr.SiS_CustomT = mycustomttable[i].SpecialID; + printk(KERN_DEBUG "sisfb: Identified [%s %s], special timing applies\n", + mycustomttable[i].vendorName, + mycustomttable[i].cardName); + printk(KERN_DEBUG "sisfb: [specialtiming parameter name: %s]\n", + mycustomttable[i].optionName); + break; + } + } + i++; + } while(mycustomttable[i].chipID); +} + +static bool sisfb_interpret_edid(struct sisfb_monitor *monitor, u8 *buffer) +{ + int i, j, xres, yres, refresh, index; + u32 emodes; + + if(buffer[0] != 0x00 || buffer[1] != 0xff || + buffer[2] != 0xff || buffer[3] != 0xff || + buffer[4] != 0xff || buffer[5] != 0xff || + buffer[6] != 0xff || buffer[7] != 0x00) { + printk(KERN_DEBUG "sisfb: Bad EDID header\n"); + return false; + } + + if(buffer[0x12] != 0x01) { + printk(KERN_INFO "sisfb: EDID version %d not supported\n", + buffer[0x12]); + return false; + } + + monitor->feature = buffer[0x18]; + + if(!(buffer[0x14] & 0x80)) { + if(!(buffer[0x14] & 0x08)) { + printk(KERN_INFO + "sisfb: WARNING: Monitor does not support separate syncs\n"); + } + } + + if(buffer[0x13] >= 0x01) { + /* EDID V1 rev 1 and 2: Search for monitor descriptor + * to extract ranges + */ + j = 0x36; + for(i=0; i<4; i++) { + if(buffer[j] == 0x00 && buffer[j + 1] == 0x00 && + buffer[j + 2] == 0x00 && buffer[j + 3] == 0xfd && + buffer[j + 4] == 0x00) { + monitor->hmin = buffer[j + 7]; + monitor->hmax = buffer[j + 8]; + monitor->vmin = buffer[j + 5]; + monitor->vmax = buffer[j + 6]; + monitor->dclockmax = buffer[j + 9] * 10 * 1000; + monitor->datavalid = true; + break; + } + j += 18; + } + } + + if(!monitor->datavalid) { + /* Otherwise: Get a range from the list of supported + * Estabished Timings. This is not entirely accurate, + * because fixed frequency monitors are not supported + * that way. + */ + monitor->hmin = 65535; monitor->hmax = 0; + monitor->vmin = 65535; monitor->vmax = 0; + monitor->dclockmax = 0; + emodes = buffer[0x23] | (buffer[0x24] << 8) | (buffer[0x25] << 16); + for(i = 0; i < 13; i++) { + if(emodes & sisfb_ddcsmodes[i].mask) { + if(monitor->hmin > sisfb_ddcsmodes[i].h) monitor->hmin = sisfb_ddcsmodes[i].h; + if(monitor->hmax < sisfb_ddcsmodes[i].h) monitor->hmax = sisfb_ddcsmodes[i].h + 1; + if(monitor->vmin > sisfb_ddcsmodes[i].v) monitor->vmin = sisfb_ddcsmodes[i].v; + if(monitor->vmax < sisfb_ddcsmodes[i].v) monitor->vmax = sisfb_ddcsmodes[i].v; + if(monitor->dclockmax < sisfb_ddcsmodes[i].d) monitor->dclockmax = sisfb_ddcsmodes[i].d; + } + } + index = 0x26; + for(i = 0; i < 8; i++) { + xres = (buffer[index] + 31) * 8; + switch(buffer[index + 1] & 0xc0) { + case 0xc0: yres = (xres * 9) / 16; break; + case 0x80: yres = (xres * 4) / 5; break; + case 0x40: yres = (xres * 3) / 4; break; + default: yres = xres; break; + } + refresh = (buffer[index + 1] & 0x3f) + 60; + if((xres >= 640) && (yres >= 480)) { + for(j = 0; j < 8; j++) { + if((xres == sisfb_ddcfmodes[j].x) && + (yres == sisfb_ddcfmodes[j].y) && + (refresh == sisfb_ddcfmodes[j].v)) { + if(monitor->hmin > sisfb_ddcfmodes[j].h) monitor->hmin = sisfb_ddcfmodes[j].h; + if(monitor->hmax < sisfb_ddcfmodes[j].h) monitor->hmax = sisfb_ddcfmodes[j].h + 1; + if(monitor->vmin > sisfb_ddcsmodes[j].v) monitor->vmin = sisfb_ddcsmodes[j].v; + if(monitor->vmax < sisfb_ddcsmodes[j].v) monitor->vmax = sisfb_ddcsmodes[j].v; + if(monitor->dclockmax < sisfb_ddcsmodes[j].d) monitor->dclockmax = sisfb_ddcsmodes[j].d; + } + } + } + index += 2; + } + if((monitor->hmin <= monitor->hmax) && (monitor->vmin <= monitor->vmax)) { + monitor->datavalid = true; + } + } + + return monitor->datavalid; +} + +static void sisfb_handle_ddc(struct sis_video_info *ivideo, + struct sisfb_monitor *monitor, int crtno) +{ + unsigned short temp, i, realcrtno = crtno; + unsigned char buffer[256]; + + monitor->datavalid = false; + + if(crtno) { + if(ivideo->vbflags & CRT2_LCD) realcrtno = 1; + else if(ivideo->vbflags & CRT2_VGA) realcrtno = 2; + else return; + } + + if((ivideo->sisfb_crt1off) && (!crtno)) + return; + + temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags, ivideo->sisvga_engine, + realcrtno, 0, &buffer[0], ivideo->vbflags2); + if((!temp) || (temp == 0xffff)) { + printk(KERN_INFO "sisfb: CRT%d DDC probing failed\n", crtno + 1); + return; + } else { + printk(KERN_INFO "sisfb: CRT%d DDC supported\n", crtno + 1); + printk(KERN_INFO "sisfb: CRT%d DDC level: %s%s%s%s\n", + crtno + 1, + (temp & 0x1a) ? "" : "[none of the supported]", + (temp & 0x02) ? "2 " : "", + (temp & 0x08) ? "D&P" : "", + (temp & 0x10) ? "FPDI-2" : ""); + if(temp & 0x02) { + i = 3; /* Number of retrys */ + do { + temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags, ivideo->sisvga_engine, + realcrtno, 1, &buffer[0], ivideo->vbflags2); + } while((temp) && i--); + if(!temp) { + if(sisfb_interpret_edid(monitor, &buffer[0])) { + printk(KERN_INFO "sisfb: Monitor range H %d-%dKHz, V %d-%dHz, Max. dotclock %dMHz\n", + monitor->hmin, monitor->hmax, monitor->vmin, monitor->vmax, + monitor->dclockmax / 1000); + } else { + printk(KERN_INFO "sisfb: CRT%d DDC EDID corrupt\n", crtno + 1); + } + } else { + printk(KERN_INFO "sisfb: CRT%d DDC reading failed\n", crtno + 1); + } + } else { + printk(KERN_INFO "sisfb: VESA D&P and FPDI-2 not supported yet\n"); + } + } +} + +/* -------------- Mode validation --------------- */ + +static bool +sisfb_verify_rate(struct sis_video_info *ivideo, struct sisfb_monitor *monitor, + int mode_idx, int rate_idx, int rate) +{ + int htotal, vtotal; + unsigned int dclock, hsync; + + if(!monitor->datavalid) + return true; + + if(mode_idx < 0) + return false; + + /* Skip for 320x200, 320x240, 640x400 */ + switch(sisbios_mode[mode_idx].mode_no[ivideo->mni]) { + case 0x59: + case 0x41: + case 0x4f: + case 0x50: + case 0x56: + case 0x53: + case 0x2f: + case 0x5d: + case 0x5e: + return true; +#ifdef CONFIG_FB_SIS_315 + case 0x5a: + case 0x5b: + if(ivideo->sisvga_engine == SIS_315_VGA) return true; +#endif + } + + if(rate < (monitor->vmin - 1)) + return false; + if(rate > (monitor->vmax + 1)) + return false; + + if(sisfb_gettotalfrommode(&ivideo->SiS_Pr, + sisbios_mode[mode_idx].mode_no[ivideo->mni], + &htotal, &vtotal, rate_idx)) { + dclock = (htotal * vtotal * rate) / 1000; + if(dclock > (monitor->dclockmax + 1000)) + return false; + hsync = dclock / htotal; + if(hsync < (monitor->hmin - 1)) + return false; + if(hsync > (monitor->hmax + 1)) + return false; + } else { + return false; + } + return true; +} + +static int +sisfb_validate_mode(struct sis_video_info *ivideo, int myindex, u32 vbflags) +{ + u16 xres=0, yres, myres; + +#ifdef CONFIG_FB_SIS_300 + if(ivideo->sisvga_engine == SIS_300_VGA) { + if(!(sisbios_mode[myindex].chipset & MD_SIS300)) + return -1 ; + } +#endif +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + if(!(sisbios_mode[myindex].chipset & MD_SIS315)) + return -1; + } +#endif + + myres = sisbios_mode[myindex].yres; + + switch(vbflags & VB_DISPTYPE_DISP2) { + + case CRT2_LCD: + xres = ivideo->lcdxres; yres = ivideo->lcdyres; + + if((ivideo->SiS_Pr.SiS_CustomT != CUT_PANEL848) && + (ivideo->SiS_Pr.SiS_CustomT != CUT_PANEL856)) { + if(sisbios_mode[myindex].xres > xres) + return -1; + if(myres > yres) + return -1; + } + + if(ivideo->sisfb_fstn) { + if(sisbios_mode[myindex].xres == 320) { + if(myres == 240) { + switch(sisbios_mode[myindex].mode_no[1]) { + case 0x50: myindex = MODE_FSTN_8; break; + case 0x56: myindex = MODE_FSTN_16; break; + case 0x53: return -1; + } + } + } + } + + if(SiS_GetModeID_LCD(ivideo->sisvga_engine, vbflags, sisbios_mode[myindex].xres, + sisbios_mode[myindex].yres, 0, ivideo->sisfb_fstn, + ivideo->SiS_Pr.SiS_CustomT, xres, yres, ivideo->vbflags2) < 0x14) { + return -1; + } + break; + + case CRT2_TV: + if(SiS_GetModeID_TV(ivideo->sisvga_engine, vbflags, sisbios_mode[myindex].xres, + sisbios_mode[myindex].yres, 0, ivideo->vbflags2) < 0x14) { + return -1; + } + break; + + case CRT2_VGA: + if(SiS_GetModeID_VGA2(ivideo->sisvga_engine, vbflags, sisbios_mode[myindex].xres, + sisbios_mode[myindex].yres, 0, ivideo->vbflags2) < 0x14) { + return -1; + } + break; + } + + return myindex; +} + +static u8 +sisfb_search_refresh_rate(struct sis_video_info *ivideo, unsigned int rate, int mode_idx) +{ + int i = 0; + u16 xres = sisbios_mode[mode_idx].xres; + u16 yres = sisbios_mode[mode_idx].yres; + + ivideo->rate_idx = 0; + while((sisfb_vrate[i].idx != 0) && (sisfb_vrate[i].xres <= xres)) { + if((sisfb_vrate[i].xres == xres) && (sisfb_vrate[i].yres == yres)) { + if(sisfb_vrate[i].refresh == rate) { + ivideo->rate_idx = sisfb_vrate[i].idx; + break; + } else if(sisfb_vrate[i].refresh > rate) { + if((sisfb_vrate[i].refresh - rate) <= 3) { + DPRINTK("sisfb: Adjusting rate from %d up to %d\n", + rate, sisfb_vrate[i].refresh); + ivideo->rate_idx = sisfb_vrate[i].idx; + ivideo->refresh_rate = sisfb_vrate[i].refresh; + } else if((sisfb_vrate[i].idx != 1) && + ((rate - sisfb_vrate[i-1].refresh) <= 2)) { + DPRINTK("sisfb: Adjusting rate from %d down to %d\n", + rate, sisfb_vrate[i-1].refresh); + ivideo->rate_idx = sisfb_vrate[i-1].idx; + ivideo->refresh_rate = sisfb_vrate[i-1].refresh; + } + break; + } else if((rate - sisfb_vrate[i].refresh) <= 2) { + DPRINTK("sisfb: Adjusting rate from %d down to %d\n", + rate, sisfb_vrate[i].refresh); + ivideo->rate_idx = sisfb_vrate[i].idx; + break; + } + } + i++; + } + if(ivideo->rate_idx > 0) { + return ivideo->rate_idx; + } else { + printk(KERN_INFO "sisfb: Unsupported rate %d for %dx%d\n", + rate, xres, yres); + return 0; + } +} + +static bool +sisfb_bridgeisslave(struct sis_video_info *ivideo) +{ + unsigned char P1_00; + + if(!(ivideo->vbflags2 & VB2_VIDEOBRIDGE)) + return false; + + P1_00 = SiS_GetReg(SISPART1, 0x00); + if( ((ivideo->sisvga_engine == SIS_300_VGA) && (P1_00 & 0xa0) == 0x20) || + ((ivideo->sisvga_engine == SIS_315_VGA) && (P1_00 & 0x50) == 0x10) ) { + return true; + } else { + return false; + } +} + +static bool +sisfballowretracecrt1(struct sis_video_info *ivideo) +{ + u8 temp; + + temp = SiS_GetReg(SISCR, 0x17); + if(!(temp & 0x80)) + return false; + + temp = SiS_GetReg(SISSR, 0x1f); + if(temp & 0xc0) + return false; + + return true; +} + +static bool +sisfbcheckvretracecrt1(struct sis_video_info *ivideo) +{ + if(!sisfballowretracecrt1(ivideo)) + return false; + + if (SiS_GetRegByte(SISINPSTAT) & 0x08) + return true; + else + return false; +} + +static void +sisfbwaitretracecrt1(struct sis_video_info *ivideo) +{ + int watchdog; + + if(!sisfballowretracecrt1(ivideo)) + return; + + watchdog = 65536; + while ((!(SiS_GetRegByte(SISINPSTAT) & 0x08)) && --watchdog); + watchdog = 65536; + while ((SiS_GetRegByte(SISINPSTAT) & 0x08) && --watchdog); +} + +static bool +sisfbcheckvretracecrt2(struct sis_video_info *ivideo) +{ + unsigned char temp, reg; + + switch(ivideo->sisvga_engine) { + case SIS_300_VGA: reg = 0x25; break; + case SIS_315_VGA: reg = 0x30; break; + default: return false; + } + + temp = SiS_GetReg(SISPART1, reg); + if(temp & 0x02) + return true; + else + return false; +} + +static bool +sisfb_CheckVBRetrace(struct sis_video_info *ivideo) +{ + if(ivideo->currentvbflags & VB_DISPTYPE_DISP2) { + if(!sisfb_bridgeisslave(ivideo)) { + return sisfbcheckvretracecrt2(ivideo); + } + } + return sisfbcheckvretracecrt1(ivideo); +} + +static u32 +sisfb_setupvbblankflags(struct sis_video_info *ivideo, u32 *vcount, u32 *hcount) +{ + u8 idx, reg1, reg2, reg3, reg4; + u32 ret = 0; + + (*vcount) = (*hcount) = 0; + + if((ivideo->currentvbflags & VB_DISPTYPE_DISP2) && (!(sisfb_bridgeisslave(ivideo)))) { + + ret |= (FB_VBLANK_HAVE_VSYNC | + FB_VBLANK_HAVE_HBLANK | + FB_VBLANK_HAVE_VBLANK | + FB_VBLANK_HAVE_VCOUNT | + FB_VBLANK_HAVE_HCOUNT); + switch(ivideo->sisvga_engine) { + case SIS_300_VGA: idx = 0x25; break; + default: + case SIS_315_VGA: idx = 0x30; break; + } + reg1 = SiS_GetReg(SISPART1, (idx+0)); /* 30 */ + reg2 = SiS_GetReg(SISPART1, (idx+1)); /* 31 */ + reg3 = SiS_GetReg(SISPART1, (idx+2)); /* 32 */ + reg4 = SiS_GetReg(SISPART1, (idx+3)); /* 33 */ + if(reg1 & 0x01) ret |= FB_VBLANK_VBLANKING; + if(reg1 & 0x02) ret |= FB_VBLANK_VSYNCING; + if(reg4 & 0x80) ret |= FB_VBLANK_HBLANKING; + (*vcount) = reg3 | ((reg4 & 0x70) << 4); + (*hcount) = reg2 | ((reg4 & 0x0f) << 8); + + } else if(sisfballowretracecrt1(ivideo)) { + + ret |= (FB_VBLANK_HAVE_VSYNC | + FB_VBLANK_HAVE_VBLANK | + FB_VBLANK_HAVE_VCOUNT | + FB_VBLANK_HAVE_HCOUNT); + reg1 = SiS_GetRegByte(SISINPSTAT); + if(reg1 & 0x08) ret |= FB_VBLANK_VSYNCING; + if(reg1 & 0x01) ret |= FB_VBLANK_VBLANKING; + reg1 = SiS_GetReg(SISCR, 0x20); + reg1 = SiS_GetReg(SISCR, 0x1b); + reg2 = SiS_GetReg(SISCR, 0x1c); + reg3 = SiS_GetReg(SISCR, 0x1d); + (*vcount) = reg2 | ((reg3 & 0x07) << 8); + (*hcount) = (reg1 | ((reg3 & 0x10) << 4)) << 3; + } + + return ret; +} + +static int +sisfb_myblank(struct sis_video_info *ivideo, int blank) +{ + u8 sr01, sr11, sr1f, cr63=0, p2_0, p1_13; + bool backlight = true; + + switch(blank) { + case FB_BLANK_UNBLANK: /* on */ + sr01 = 0x00; + sr11 = 0x00; + sr1f = 0x00; + cr63 = 0x00; + p2_0 = 0x20; + p1_13 = 0x00; + backlight = true; + break; + case FB_BLANK_NORMAL: /* blank */ + sr01 = 0x20; + sr11 = 0x00; + sr1f = 0x00; + cr63 = 0x00; + p2_0 = 0x20; + p1_13 = 0x00; + backlight = true; + break; + case FB_BLANK_VSYNC_SUSPEND: /* no vsync */ + sr01 = 0x20; + sr11 = 0x08; + sr1f = 0x80; + cr63 = 0x40; + p2_0 = 0x40; + p1_13 = 0x80; + backlight = false; + break; + case FB_BLANK_HSYNC_SUSPEND: /* no hsync */ + sr01 = 0x20; + sr11 = 0x08; + sr1f = 0x40; + cr63 = 0x40; + p2_0 = 0x80; + p1_13 = 0x40; + backlight = false; + break; + case FB_BLANK_POWERDOWN: /* off */ + sr01 = 0x20; + sr11 = 0x08; + sr1f = 0xc0; + cr63 = 0x40; + p2_0 = 0xc0; + p1_13 = 0xc0; + backlight = false; + break; + default: + return 1; + } + + if(ivideo->currentvbflags & VB_DISPTYPE_CRT1) { + + if( (!ivideo->sisfb_thismonitor.datavalid) || + ((ivideo->sisfb_thismonitor.datavalid) && + (ivideo->sisfb_thismonitor.feature & 0xe0))) { + + if(ivideo->sisvga_engine == SIS_315_VGA) { + SiS_SetRegANDOR(SISCR, ivideo->SiS_Pr.SiS_MyCR63, 0xbf, cr63); + } + + if(!(sisfb_bridgeisslave(ivideo))) { + SiS_SetRegANDOR(SISSR, 0x01, ~0x20, sr01); + SiS_SetRegANDOR(SISSR, 0x1f, 0x3f, sr1f); + } + } + + } + + if(ivideo->currentvbflags & CRT2_LCD) { + + if(ivideo->vbflags2 & VB2_SISLVDSBRIDGE) { + if(backlight) { + SiS_SiS30xBLOn(&ivideo->SiS_Pr); + } else { + SiS_SiS30xBLOff(&ivideo->SiS_Pr); + } + } else if(ivideo->sisvga_engine == SIS_315_VGA) { +#ifdef CONFIG_FB_SIS_315 + if(ivideo->vbflags2 & VB2_CHRONTEL) { + if(backlight) { + SiS_Chrontel701xBLOn(&ivideo->SiS_Pr); + } else { + SiS_Chrontel701xBLOff(&ivideo->SiS_Pr); + } + } +#endif + } + + if(((ivideo->sisvga_engine == SIS_300_VGA) && + (ivideo->vbflags2 & (VB2_301|VB2_30xBDH|VB2_LVDS))) || + ((ivideo->sisvga_engine == SIS_315_VGA) && + ((ivideo->vbflags2 & (VB2_LVDS | VB2_CHRONTEL)) == VB2_LVDS))) { + SiS_SetRegANDOR(SISSR, 0x11, ~0x0c, sr11); + } + + if(ivideo->sisvga_engine == SIS_300_VGA) { + if((ivideo->vbflags2 & VB2_30xB) && + (!(ivideo->vbflags2 & VB2_30xBDH))) { + SiS_SetRegANDOR(SISPART1, 0x13, 0x3f, p1_13); + } + } else if(ivideo->sisvga_engine == SIS_315_VGA) { + if((ivideo->vbflags2 & VB2_30xB) && + (!(ivideo->vbflags2 & VB2_30xBDH))) { + SiS_SetRegANDOR(SISPART2, 0x00, 0x1f, p2_0); + } + } + + } else if(ivideo->currentvbflags & CRT2_VGA) { + + if(ivideo->vbflags2 & VB2_30xB) { + SiS_SetRegANDOR(SISPART2, 0x00, 0x1f, p2_0); + } + + } + + return 0; +} + +/* ------------- Callbacks from init.c/init301.c -------------- */ + +#ifdef CONFIG_FB_SIS_300 +unsigned int +sisfb_read_nbridge_pci_dword(struct SiS_Private *SiS_Pr, int reg) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo; + u32 val = 0; + + pci_read_config_dword(ivideo->nbridge, reg, &val); + return (unsigned int)val; +} + +void +sisfb_write_nbridge_pci_dword(struct SiS_Private *SiS_Pr, int reg, unsigned int val) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo; + + pci_write_config_dword(ivideo->nbridge, reg, (u32)val); +} + +unsigned int +sisfb_read_lpc_pci_dword(struct SiS_Private *SiS_Pr, int reg) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo; + u32 val = 0; + + if(!ivideo->lpcdev) return 0; + + pci_read_config_dword(ivideo->lpcdev, reg, &val); + return (unsigned int)val; +} +#endif + +#ifdef CONFIG_FB_SIS_315 +void +sisfb_write_nbridge_pci_byte(struct SiS_Private *SiS_Pr, int reg, unsigned char val) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo; + + pci_write_config_byte(ivideo->nbridge, reg, (u8)val); +} + +unsigned int +sisfb_read_mio_pci_word(struct SiS_Private *SiS_Pr, int reg) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)SiS_Pr->ivideo; + u16 val = 0; + + if(!ivideo->lpcdev) return 0; + + pci_read_config_word(ivideo->lpcdev, reg, &val); + return (unsigned int)val; +} +#endif + +/* ----------- FBDev related routines for all series ----------- */ + +static int +sisfb_get_cmap_len(const struct fb_var_screeninfo *var) +{ + return (var->bits_per_pixel == 8) ? 256 : 16; +} + +static void +sisfb_set_vparms(struct sis_video_info *ivideo) +{ + switch(ivideo->video_bpp) { + case 8: + ivideo->DstColor = 0x0000; + ivideo->SiS310_AccelDepth = 0x00000000; + ivideo->video_cmap_len = 256; + break; + case 16: + ivideo->DstColor = 0x8000; + ivideo->SiS310_AccelDepth = 0x00010000; + ivideo->video_cmap_len = 16; + break; + case 32: + ivideo->DstColor = 0xC000; + ivideo->SiS310_AccelDepth = 0x00020000; + ivideo->video_cmap_len = 16; + break; + default: + ivideo->video_cmap_len = 16; + printk(KERN_ERR "sisfb: Unsupported depth %d", ivideo->video_bpp); + ivideo->accel = 0; + } +} + +static int +sisfb_calc_maxyres(struct sis_video_info *ivideo, struct fb_var_screeninfo *var) +{ + int maxyres = ivideo->sisfb_mem / (var->xres_virtual * (var->bits_per_pixel >> 3)); + + if(maxyres > 32767) maxyres = 32767; + + return maxyres; +} + +static void +sisfb_calc_pitch(struct sis_video_info *ivideo, struct fb_var_screeninfo *var) +{ + ivideo->video_linelength = var->xres_virtual * (var->bits_per_pixel >> 3); + ivideo->scrnpitchCRT1 = ivideo->video_linelength; + if(!(ivideo->currentvbflags & CRT1_LCDA)) { + if((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) { + ivideo->scrnpitchCRT1 <<= 1; + } + } +} + +static void +sisfb_set_pitch(struct sis_video_info *ivideo) +{ + bool isslavemode = false; + unsigned short HDisplay1 = ivideo->scrnpitchCRT1 >> 3; + unsigned short HDisplay2 = ivideo->video_linelength >> 3; + + if(sisfb_bridgeisslave(ivideo)) isslavemode = true; + + /* We need to set pitch for CRT1 if bridge is in slave mode, too */ + if((ivideo->currentvbflags & VB_DISPTYPE_DISP1) || (isslavemode)) { + SiS_SetReg(SISCR, 0x13, (HDisplay1 & 0xFF)); + SiS_SetRegANDOR(SISSR, 0x0E, 0xF0, (HDisplay1 >> 8)); + } + + /* We must not set the pitch for CRT2 if bridge is in slave mode */ + if((ivideo->currentvbflags & VB_DISPTYPE_DISP2) && (!isslavemode)) { + SiS_SetRegOR(SISPART1, ivideo->CRT2_write_enable, 0x01); + SiS_SetReg(SISPART1, 0x07, (HDisplay2 & 0xFF)); + SiS_SetRegANDOR(SISPART1, 0x09, 0xF0, (HDisplay2 >> 8)); + } +} + +static void +sisfb_bpp_to_var(struct sis_video_info *ivideo, struct fb_var_screeninfo *var) +{ + ivideo->video_cmap_len = sisfb_get_cmap_len(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 = 8; + 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; + 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; + break; + } +} + +static int +sisfb_set_mode(struct sis_video_info *ivideo, int clrscrn) +{ + unsigned short modeno = ivideo->mode_no; + + /* >=2.6.12's fbcon clears the screen anyway */ + modeno |= 0x80; + + SiS_SetReg(SISSR, IND_SIS_PASSWORD, SIS_PASSWORD); + + sisfb_pre_setmode(ivideo); + + if(!SiSSetMode(&ivideo->SiS_Pr, modeno)) { + printk(KERN_ERR "sisfb: Setting mode[0x%x] failed\n", ivideo->mode_no); + return -EINVAL; + } + + SiS_SetReg(SISSR, IND_SIS_PASSWORD, SIS_PASSWORD); + + sisfb_post_setmode(ivideo); + + return 0; +} + + +static int +sisfb_do_set_var(struct fb_var_screeninfo *var, int isactive, struct fb_info *info) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)info->par; + unsigned int htotal = 0, vtotal = 0; + unsigned int drate = 0, hrate = 0; + int found_mode = 0, ret; + int old_mode; + u32 pixclock; + + htotal = var->left_margin + var->xres + var->right_margin + var->hsync_len; + + vtotal = var->upper_margin + var->lower_margin + var->vsync_len; + + pixclock = var->pixclock; + + if((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) { + vtotal += var->yres; + vtotal <<= 1; + } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) { + vtotal += var->yres; + vtotal <<= 2; + } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) { + vtotal += var->yres; + vtotal <<= 1; + } else vtotal += var->yres; + + if(!(htotal) || !(vtotal)) { + DPRINTK("sisfb: Invalid 'var' information\n"); + return -EINVAL; + } + + if(pixclock && htotal && vtotal) { + drate = 1000000000 / pixclock; + hrate = (drate * 1000) / htotal; + ivideo->refresh_rate = (unsigned int) (hrate * 2 / vtotal); + } else { + ivideo->refresh_rate = 60; + } + + old_mode = ivideo->sisfb_mode_idx; + ivideo->sisfb_mode_idx = 0; + + while( (sisbios_mode[ivideo->sisfb_mode_idx].mode_no[0] != 0) && + (sisbios_mode[ivideo->sisfb_mode_idx].xres <= var->xres) ) { + if( (sisbios_mode[ivideo->sisfb_mode_idx].xres == var->xres) && + (sisbios_mode[ivideo->sisfb_mode_idx].yres == var->yres) && + (sisbios_mode[ivideo->sisfb_mode_idx].bpp == var->bits_per_pixel)) { + ivideo->mode_no = sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni]; + found_mode = 1; + break; + } + ivideo->sisfb_mode_idx++; + } + + if(found_mode) { + ivideo->sisfb_mode_idx = sisfb_validate_mode(ivideo, + ivideo->sisfb_mode_idx, ivideo->currentvbflags); + } else { + ivideo->sisfb_mode_idx = -1; + } + + if(ivideo->sisfb_mode_idx < 0) { + printk(KERN_ERR "sisfb: Mode %dx%dx%d not supported\n", var->xres, + var->yres, var->bits_per_pixel); + ivideo->sisfb_mode_idx = old_mode; + return -EINVAL; + } + + ivideo->mode_no = sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni]; + + if(sisfb_search_refresh_rate(ivideo, ivideo->refresh_rate, ivideo->sisfb_mode_idx) == 0) { + ivideo->rate_idx = sisbios_mode[ivideo->sisfb_mode_idx].rate_idx; + ivideo->refresh_rate = 60; + } + + if(isactive) { + /* If acceleration to be used? Need to know + * before pre/post_set_mode() + */ + ivideo->accel = 0; +#if defined(FBINFO_HWACCEL_DISABLED) && defined(FBINFO_HWACCEL_XPAN) +#ifdef STUPID_ACCELF_TEXT_SHIT + if(var->accel_flags & FB_ACCELF_TEXT) { + info->flags &= ~FBINFO_HWACCEL_DISABLED; + } else { + info->flags |= FBINFO_HWACCEL_DISABLED; + } +#endif + if(!(info->flags & FBINFO_HWACCEL_DISABLED)) ivideo->accel = -1; +#else + if(var->accel_flags & FB_ACCELF_TEXT) ivideo->accel = -1; +#endif + + if((ret = sisfb_set_mode(ivideo, 1))) { + return ret; + } + + ivideo->video_bpp = sisbios_mode[ivideo->sisfb_mode_idx].bpp; + ivideo->video_width = sisbios_mode[ivideo->sisfb_mode_idx].xres; + ivideo->video_height = sisbios_mode[ivideo->sisfb_mode_idx].yres; + + sisfb_calc_pitch(ivideo, var); + sisfb_set_pitch(ivideo); + + sisfb_set_vparms(ivideo); + + ivideo->current_width = ivideo->video_width; + ivideo->current_height = ivideo->video_height; + ivideo->current_bpp = ivideo->video_bpp; + ivideo->current_htotal = htotal; + ivideo->current_vtotal = vtotal; + ivideo->current_linelength = ivideo->video_linelength; + ivideo->current_pixclock = var->pixclock; + ivideo->current_refresh_rate = ivideo->refresh_rate; + ivideo->sisfb_lastrates[ivideo->mode_no] = ivideo->refresh_rate; + } + + return 0; +} + +static void +sisfb_set_base_CRT1(struct sis_video_info *ivideo, unsigned int base) +{ + SiS_SetReg(SISSR, IND_SIS_PASSWORD, SIS_PASSWORD); + + SiS_SetReg(SISCR, 0x0D, base & 0xFF); + SiS_SetReg(SISCR, 0x0C, (base >> 8) & 0xFF); + SiS_SetReg(SISSR, 0x0D, (base >> 16) & 0xFF); + if(ivideo->sisvga_engine == SIS_315_VGA) { + SiS_SetRegANDOR(SISSR, 0x37, 0xFE, (base >> 24) & 0x01); + } +} + +static void +sisfb_set_base_CRT2(struct sis_video_info *ivideo, unsigned int base) +{ + if(ivideo->currentvbflags & VB_DISPTYPE_DISP2) { + SiS_SetRegOR(SISPART1, ivideo->CRT2_write_enable, 0x01); + SiS_SetReg(SISPART1, 0x06, (base & 0xFF)); + SiS_SetReg(SISPART1, 0x05, ((base >> 8) & 0xFF)); + SiS_SetReg(SISPART1, 0x04, ((base >> 16) & 0xFF)); + if(ivideo->sisvga_engine == SIS_315_VGA) { + SiS_SetRegANDOR(SISPART1, 0x02, 0x7F, ((base >> 24) & 0x01) << 7); + } + } +} + +static int +sisfb_pan_var(struct sis_video_info *ivideo, struct fb_info *info, + struct fb_var_screeninfo *var) +{ + ivideo->current_base = var->yoffset * info->var.xres_virtual + + var->xoffset; + + /* calculate base bpp dep. */ + switch (info->var.bits_per_pixel) { + case 32: + break; + case 16: + ivideo->current_base >>= 1; + break; + case 8: + default: + ivideo->current_base >>= 2; + break; + } + + ivideo->current_base += (ivideo->video_offset >> 2); + + sisfb_set_base_CRT1(ivideo, ivideo->current_base); + sisfb_set_base_CRT2(ivideo, ivideo->current_base); + + return 0; +} + +static int +sisfb_open(struct fb_info *info, int user) +{ + return 0; +} + +static int +sisfb_release(struct fb_info *info, int user) +{ + return 0; +} + +static int +sisfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, + unsigned transp, struct fb_info *info) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)info->par; + + if(regno >= sisfb_get_cmap_len(&info->var)) + return 1; + + switch(info->var.bits_per_pixel) { + case 8: + SiS_SetRegByte(SISDACA, regno); + SiS_SetRegByte(SISDACD, (red >> 10)); + SiS_SetRegByte(SISDACD, (green >> 10)); + SiS_SetRegByte(SISDACD, (blue >> 10)); + if(ivideo->currentvbflags & VB_DISPTYPE_DISP2) { + SiS_SetRegByte(SISDAC2A, regno); + SiS_SetRegByte(SISDAC2D, (red >> 8)); + SiS_SetRegByte(SISDAC2D, (green >> 8)); + SiS_SetRegByte(SISDAC2D, (blue >> 8)); + } + break; + case 16: + if (regno >= 16) + break; + + ((u32 *)(info->pseudo_palette))[regno] = + (red & 0xf800) | + ((green & 0xfc00) >> 5) | + ((blue & 0xf800) >> 11); + break; + case 32: + if (regno >= 16) + break; + + red >>= 8; + green >>= 8; + blue >>= 8; + ((u32 *)(info->pseudo_palette))[regno] = + (red << 16) | (green << 8) | (blue); + break; + } + return 0; +} + +static int +sisfb_set_par(struct fb_info *info) +{ + int err; + + if((err = sisfb_do_set_var(&info->var, 1, info))) + return err; + + sisfb_get_fix(&info->fix, -1, info); + + return 0; +} + +static int +sisfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)info->par; + unsigned int htotal = 0, vtotal = 0, myrateindex = 0; + unsigned int drate = 0, hrate = 0, maxyres; + int found_mode = 0; + int refresh_rate, search_idx, tidx; + bool recalc_clock = false; + u32 pixclock; + + htotal = var->left_margin + var->xres + var->right_margin + var->hsync_len; + + vtotal = var->upper_margin + var->lower_margin + var->vsync_len; + + pixclock = var->pixclock; + + if((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) { + vtotal += var->yres; + vtotal <<= 1; + } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) { + vtotal += var->yres; + vtotal <<= 2; + } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) { + vtotal += var->yres; + vtotal <<= 1; + } else + vtotal += var->yres; + + if(!(htotal) || !(vtotal)) { + SISFAIL("sisfb: no valid timing data"); + } + + search_idx = 0; + while( (sisbios_mode[search_idx].mode_no[0] != 0) && + (sisbios_mode[search_idx].xres <= var->xres) ) { + if( (sisbios_mode[search_idx].xres == var->xres) && + (sisbios_mode[search_idx].yres == var->yres) && + (sisbios_mode[search_idx].bpp == var->bits_per_pixel)) { + if((tidx = sisfb_validate_mode(ivideo, search_idx, + ivideo->currentvbflags)) > 0) { + found_mode = 1; + search_idx = tidx; + break; + } + } + search_idx++; + } + + if(!found_mode) { + search_idx = 0; + while(sisbios_mode[search_idx].mode_no[0] != 0) { + if( (var->xres <= sisbios_mode[search_idx].xres) && + (var->yres <= sisbios_mode[search_idx].yres) && + (var->bits_per_pixel == sisbios_mode[search_idx].bpp) ) { + if((tidx = sisfb_validate_mode(ivideo,search_idx, + ivideo->currentvbflags)) > 0) { + found_mode = 1; + search_idx = tidx; + break; + } + } + search_idx++; + } + if(found_mode) { + printk(KERN_DEBUG + "sisfb: Adapted from %dx%dx%d to %dx%dx%d\n", + var->xres, var->yres, var->bits_per_pixel, + sisbios_mode[search_idx].xres, + sisbios_mode[search_idx].yres, + var->bits_per_pixel); + var->xres = sisbios_mode[search_idx].xres; + var->yres = sisbios_mode[search_idx].yres; + } else { + printk(KERN_ERR + "sisfb: Failed to find supported mode near %dx%dx%d\n", + var->xres, var->yres, var->bits_per_pixel); + return -EINVAL; + } + } + + if( ((ivideo->vbflags2 & VB2_LVDS) || + ((ivideo->vbflags2 & VB2_30xBDH) && (ivideo->currentvbflags & CRT2_LCD))) && + (var->bits_per_pixel == 8) ) { + /* Slave modes on LVDS and 301B-DH */ + refresh_rate = 60; + recalc_clock = true; + } else if( (ivideo->current_htotal == htotal) && + (ivideo->current_vtotal == vtotal) && + (ivideo->current_pixclock == pixclock) ) { + /* x=x & y=y & c=c -> assume depth change */ + drate = 1000000000 / pixclock; + hrate = (drate * 1000) / htotal; + refresh_rate = (unsigned int) (hrate * 2 / vtotal); + } else if( ( (ivideo->current_htotal != htotal) || + (ivideo->current_vtotal != vtotal) ) && + (ivideo->current_pixclock == var->pixclock) ) { + /* x!=x | y!=y & c=c -> invalid pixclock */ + if(ivideo->sisfb_lastrates[sisbios_mode[search_idx].mode_no[ivideo->mni]]) { + refresh_rate = + ivideo->sisfb_lastrates[sisbios_mode[search_idx].mode_no[ivideo->mni]]; + } else if(ivideo->sisfb_parm_rate != -1) { + /* Sic, sisfb_parm_rate - want to know originally desired rate here */ + refresh_rate = ivideo->sisfb_parm_rate; + } else { + refresh_rate = 60; + } + recalc_clock = true; + } else if((pixclock) && (htotal) && (vtotal)) { + drate = 1000000000 / pixclock; + hrate = (drate * 1000) / htotal; + refresh_rate = (unsigned int) (hrate * 2 / vtotal); + } else if(ivideo->current_refresh_rate) { + refresh_rate = ivideo->current_refresh_rate; + recalc_clock = true; + } else { + refresh_rate = 60; + recalc_clock = true; + } + + myrateindex = sisfb_search_refresh_rate(ivideo, refresh_rate, search_idx); + + /* Eventually recalculate timing and clock */ + if(recalc_clock) { + if(!myrateindex) myrateindex = sisbios_mode[search_idx].rate_idx; + var->pixclock = (u32) (1000000000 / sisfb_mode_rate_to_dclock(&ivideo->SiS_Pr, + sisbios_mode[search_idx].mode_no[ivideo->mni], + myrateindex)); + sisfb_mode_rate_to_ddata(&ivideo->SiS_Pr, + sisbios_mode[search_idx].mode_no[ivideo->mni], + myrateindex, var); + if((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) { + var->pixclock <<= 1; + } + } + + if(ivideo->sisfb_thismonitor.datavalid) { + if(!sisfb_verify_rate(ivideo, &ivideo->sisfb_thismonitor, search_idx, + myrateindex, refresh_rate)) { + printk(KERN_INFO + "sisfb: WARNING: Refresh rate exceeds monitor specs!\n"); + } + } + + /* Adapt RGB settings */ + sisfb_bpp_to_var(ivideo, var); + + /* Sanity check for offsets */ + if(var->xoffset < 0) var->xoffset = 0; + if(var->yoffset < 0) var->yoffset = 0; + + if(var->xres > var->xres_virtual) + var->xres_virtual = var->xres; + + if(ivideo->sisfb_ypan) { + maxyres = sisfb_calc_maxyres(ivideo, var); + if(ivideo->sisfb_max) { + var->yres_virtual = maxyres; + } else { + if(var->yres_virtual > maxyres) { + var->yres_virtual = maxyres; + } + } + if(var->yres_virtual <= var->yres) { + var->yres_virtual = var->yres; + } + } else { + if(var->yres != var->yres_virtual) { + var->yres_virtual = var->yres; + } + var->xoffset = 0; + var->yoffset = 0; + } + + /* 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 +sisfb_pan_display(struct fb_var_screeninfo *var, struct fb_info* info) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)info->par; + int err; + + if (var->vmode & FB_VMODE_YWRAP) + return -EINVAL; + + if (var->xoffset + info->var.xres > info->var.xres_virtual || + var->yoffset + info->var.yres > info->var.yres_virtual) + return -EINVAL; + + err = sisfb_pan_var(ivideo, info, var); + if (err < 0) + return err; + + info->var.xoffset = var->xoffset; + info->var.yoffset = var->yoffset; + + return 0; +} + +static int +sisfb_blank(int blank, struct fb_info *info) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)info->par; + + return sisfb_myblank(ivideo, blank); +} + +/* ----------- FBDev related routines for all series ---------- */ + +static int sisfb_ioctl(struct fb_info *info, unsigned int cmd, + unsigned long arg) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)info->par; + struct sis_memreq sismemreq; + struct fb_vblank sisvbblank; + u32 gpu32 = 0; +#ifndef __user +#define __user +#endif + u32 __user *argp = (u32 __user *)arg; + + switch(cmd) { + case FBIO_ALLOC: + if(!capable(CAP_SYS_RAWIO)) + return -EPERM; + + if(copy_from_user(&sismemreq, (void __user *)arg, sizeof(sismemreq))) + return -EFAULT; + + sis_malloc(&sismemreq); + + if(copy_to_user((void __user *)arg, &sismemreq, sizeof(sismemreq))) { + sis_free((u32)sismemreq.offset); + return -EFAULT; + } + break; + + case FBIO_FREE: + if(!capable(CAP_SYS_RAWIO)) + return -EPERM; + + if(get_user(gpu32, argp)) + return -EFAULT; + + sis_free(gpu32); + break; + + case FBIOGET_VBLANK: + + memset(&sisvbblank, 0, sizeof(struct fb_vblank)); + + sisvbblank.count = 0; + sisvbblank.flags = sisfb_setupvbblankflags(ivideo, &sisvbblank.vcount, &sisvbblank.hcount); + + if(copy_to_user((void __user *)arg, &sisvbblank, sizeof(sisvbblank))) + return -EFAULT; + + break; + + case SISFB_GET_INFO_SIZE: + return put_user(sizeof(struct sisfb_info), argp); + + case SISFB_GET_INFO_OLD: + if(ivideo->warncount++ < 10) + printk(KERN_INFO + "sisfb: Deprecated ioctl call received - update your application!\n"); + case SISFB_GET_INFO: /* For communication with X driver */ + ivideo->sisfb_infoblock.sisfb_id = SISFB_ID; + ivideo->sisfb_infoblock.sisfb_version = VER_MAJOR; + ivideo->sisfb_infoblock.sisfb_revision = VER_MINOR; + ivideo->sisfb_infoblock.sisfb_patchlevel = VER_LEVEL; + ivideo->sisfb_infoblock.chip_id = ivideo->chip_id; + ivideo->sisfb_infoblock.sisfb_pci_vendor = ivideo->chip_vendor; + ivideo->sisfb_infoblock.memory = ivideo->video_size / 1024; + ivideo->sisfb_infoblock.heapstart = ivideo->heapstart / 1024; + if(ivideo->modechanged) { + ivideo->sisfb_infoblock.fbvidmode = ivideo->mode_no; + } else { + ivideo->sisfb_infoblock.fbvidmode = ivideo->modeprechange; + } + ivideo->sisfb_infoblock.sisfb_caps = ivideo->caps; + ivideo->sisfb_infoblock.sisfb_tqlen = ivideo->cmdQueueSize / 1024; + ivideo->sisfb_infoblock.sisfb_pcibus = ivideo->pcibus; + ivideo->sisfb_infoblock.sisfb_pcislot = ivideo->pcislot; + ivideo->sisfb_infoblock.sisfb_pcifunc = ivideo->pcifunc; + ivideo->sisfb_infoblock.sisfb_lcdpdc = ivideo->detectedpdc; + ivideo->sisfb_infoblock.sisfb_lcdpdca = ivideo->detectedpdca; + ivideo->sisfb_infoblock.sisfb_lcda = ivideo->detectedlcda; + ivideo->sisfb_infoblock.sisfb_vbflags = ivideo->vbflags; + ivideo->sisfb_infoblock.sisfb_currentvbflags = ivideo->currentvbflags; + ivideo->sisfb_infoblock.sisfb_scalelcd = ivideo->SiS_Pr.UsePanelScaler; + ivideo->sisfb_infoblock.sisfb_specialtiming = ivideo->SiS_Pr.SiS_CustomT; + ivideo->sisfb_infoblock.sisfb_haveemi = ivideo->SiS_Pr.HaveEMI ? 1 : 0; + ivideo->sisfb_infoblock.sisfb_haveemilcd = ivideo->SiS_Pr.HaveEMILCD ? 1 : 0; + ivideo->sisfb_infoblock.sisfb_emi30 = ivideo->SiS_Pr.EMI_30; + ivideo->sisfb_infoblock.sisfb_emi31 = ivideo->SiS_Pr.EMI_31; + ivideo->sisfb_infoblock.sisfb_emi32 = ivideo->SiS_Pr.EMI_32; + ivideo->sisfb_infoblock.sisfb_emi33 = ivideo->SiS_Pr.EMI_33; + ivideo->sisfb_infoblock.sisfb_tvxpos = (u16)(ivideo->tvxpos + 32); + ivideo->sisfb_infoblock.sisfb_tvypos = (u16)(ivideo->tvypos + 32); + ivideo->sisfb_infoblock.sisfb_heapsize = ivideo->sisfb_heap_size / 1024; + ivideo->sisfb_infoblock.sisfb_videooffset = ivideo->video_offset; + ivideo->sisfb_infoblock.sisfb_curfstn = ivideo->curFSTN; + ivideo->sisfb_infoblock.sisfb_curdstn = ivideo->curDSTN; + ivideo->sisfb_infoblock.sisfb_vbflags2 = ivideo->vbflags2; + ivideo->sisfb_infoblock.sisfb_can_post = ivideo->sisfb_can_post ? 1 : 0; + ivideo->sisfb_infoblock.sisfb_card_posted = ivideo->sisfb_card_posted ? 1 : 0; + ivideo->sisfb_infoblock.sisfb_was_boot_device = ivideo->sisfb_was_boot_device ? 1 : 0; + + if(copy_to_user((void __user *)arg, &ivideo->sisfb_infoblock, + sizeof(ivideo->sisfb_infoblock))) + return -EFAULT; + + break; + + case SISFB_GET_VBRSTATUS_OLD: + if(ivideo->warncount++ < 10) + printk(KERN_INFO + "sisfb: Deprecated ioctl call received - update your application!\n"); + case SISFB_GET_VBRSTATUS: + if(sisfb_CheckVBRetrace(ivideo)) + return put_user((u32)1, argp); + else + return put_user((u32)0, argp); + + case SISFB_GET_AUTOMAXIMIZE_OLD: + if(ivideo->warncount++ < 10) + printk(KERN_INFO + "sisfb: Deprecated ioctl call received - update your application!\n"); + case SISFB_GET_AUTOMAXIMIZE: + if(ivideo->sisfb_max) + return put_user((u32)1, argp); + else + return put_user((u32)0, argp); + + case SISFB_SET_AUTOMAXIMIZE_OLD: + if(ivideo->warncount++ < 10) + printk(KERN_INFO + "sisfb: Deprecated ioctl call received - update your application!\n"); + case SISFB_SET_AUTOMAXIMIZE: + if(get_user(gpu32, argp)) + return -EFAULT; + + ivideo->sisfb_max = (gpu32) ? 1 : 0; + break; + + case SISFB_SET_TVPOSOFFSET: + if(get_user(gpu32, argp)) + return -EFAULT; + + sisfb_set_TVxposoffset(ivideo, ((int)(gpu32 >> 16)) - 32); + sisfb_set_TVyposoffset(ivideo, ((int)(gpu32 & 0xffff)) - 32); + break; + + case SISFB_GET_TVPOSOFFSET: + return put_user((u32)(((ivideo->tvxpos+32)<<16)|((ivideo->tvypos+32)&0xffff)), + argp); + + case SISFB_COMMAND: + if(copy_from_user(&ivideo->sisfb_command, (void __user *)arg, + sizeof(struct sisfb_cmd))) + return -EFAULT; + + sisfb_handle_command(ivideo, &ivideo->sisfb_command); + + if(copy_to_user((void __user *)arg, &ivideo->sisfb_command, + sizeof(struct sisfb_cmd))) + return -EFAULT; + + break; + + case SISFB_SET_LOCK: + if(get_user(gpu32, argp)) + return -EFAULT; + + ivideo->sisfblocked = (gpu32) ? 1 : 0; + break; + + default: +#ifdef SIS_NEW_CONFIG_COMPAT + return -ENOIOCTLCMD; +#else + return -EINVAL; +#endif + } + return 0; +} + +static int +sisfb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info) +{ + struct sis_video_info *ivideo = (struct sis_video_info *)info->par; + + memset(fix, 0, sizeof(struct fb_fix_screeninfo)); + + strlcpy(fix->id, ivideo->myid, sizeof(fix->id)); + + mutex_lock(&info->mm_lock); + fix->smem_start = ivideo->video_base + ivideo->video_offset; + fix->smem_len = ivideo->sisfb_mem; + mutex_unlock(&info->mm_lock); + fix->type = FB_TYPE_PACKED_PIXELS; + fix->type_aux = 0; + fix->visual = (ivideo->video_bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; + fix->xpanstep = 1; + fix->ypanstep = (ivideo->sisfb_ypan) ? 1 : 0; + fix->ywrapstep = 0; + fix->line_length = ivideo->video_linelength; + fix->mmio_start = ivideo->mmio_base; + fix->mmio_len = ivideo->mmio_size; + if(ivideo->sisvga_engine == SIS_300_VGA) { + fix->accel = FB_ACCEL_SIS_GLAMOUR; + } else if((ivideo->chip == SIS_330) || + (ivideo->chip == SIS_760) || + (ivideo->chip == SIS_761)) { + fix->accel = FB_ACCEL_SIS_XABRE; + } else if(ivideo->chip == XGI_20) { + fix->accel = FB_ACCEL_XGI_VOLARI_Z; + } else if(ivideo->chip >= XGI_40) { + fix->accel = FB_ACCEL_XGI_VOLARI_V; + } else { + fix->accel = FB_ACCEL_SIS_GLAMOUR_2; + } + + return 0; +} + +/* ---------------- fb_ops structures ----------------- */ + +static struct fb_ops sisfb_ops = { + .owner = THIS_MODULE, + .fb_open = sisfb_open, + .fb_release = sisfb_release, + .fb_check_var = sisfb_check_var, + .fb_set_par = sisfb_set_par, + .fb_setcolreg = sisfb_setcolreg, + .fb_pan_display = sisfb_pan_display, + .fb_blank = sisfb_blank, + .fb_fillrect = fbcon_sis_fillrect, + .fb_copyarea = fbcon_sis_copyarea, + .fb_imageblit = cfb_imageblit, + .fb_sync = fbcon_sis_sync, +#ifdef SIS_NEW_CONFIG_COMPAT + .fb_compat_ioctl= sisfb_ioctl, +#endif + .fb_ioctl = sisfb_ioctl +}; + +/* ---------------- Chip generation dependent routines ---------------- */ + +static struct pci_dev *sisfb_get_northbridge(int basechipid) +{ + struct pci_dev *pdev = NULL; + int nbridgenum, nbridgeidx, i; + static const unsigned short nbridgeids[] = { + PCI_DEVICE_ID_SI_540, /* for SiS 540 VGA */ + PCI_DEVICE_ID_SI_630, /* for SiS 630/730 VGA */ + PCI_DEVICE_ID_SI_730, + PCI_DEVICE_ID_SI_550, /* for SiS 550 VGA */ + PCI_DEVICE_ID_SI_650, /* for SiS 650/651/740 VGA */ + PCI_DEVICE_ID_SI_651, + PCI_DEVICE_ID_SI_740, + PCI_DEVICE_ID_SI_661, /* for SiS 661/741/660/760/761 VGA */ + PCI_DEVICE_ID_SI_741, + PCI_DEVICE_ID_SI_660, + PCI_DEVICE_ID_SI_760, + PCI_DEVICE_ID_SI_761 + }; + + switch(basechipid) { +#ifdef CONFIG_FB_SIS_300 + case SIS_540: nbridgeidx = 0; nbridgenum = 1; break; + case SIS_630: nbridgeidx = 1; nbridgenum = 2; break; +#endif +#ifdef CONFIG_FB_SIS_315 + case SIS_550: nbridgeidx = 3; nbridgenum = 1; break; + case SIS_650: nbridgeidx = 4; nbridgenum = 3; break; + case SIS_660: nbridgeidx = 7; nbridgenum = 5; break; +#endif + default: return NULL; + } + for(i = 0; i < nbridgenum; i++) { + if((pdev = pci_get_device(PCI_VENDOR_ID_SI, + nbridgeids[nbridgeidx+i], NULL))) + break; + } + return pdev; +} + +static int sisfb_get_dram_size(struct sis_video_info *ivideo) +{ +#if defined(CONFIG_FB_SIS_300) || defined(CONFIG_FB_SIS_315) + u8 reg; +#endif + + ivideo->video_size = 0; + ivideo->UMAsize = ivideo->LFBsize = 0; + + switch(ivideo->chip) { +#ifdef CONFIG_FB_SIS_300 + case SIS_300: + reg = SiS_GetReg(SISSR, 0x14); + ivideo->video_size = ((reg & 0x3F) + 1) << 20; + break; + case SIS_540: + case SIS_630: + case SIS_730: + if(!ivideo->nbridge) + return -1; + pci_read_config_byte(ivideo->nbridge, 0x63, ®); + ivideo->video_size = 1 << (((reg & 0x70) >> 4) + 21); + break; +#endif +#ifdef CONFIG_FB_SIS_315 + case SIS_315H: + case SIS_315PRO: + case SIS_315: + reg = SiS_GetReg(SISSR, 0x14); + ivideo->video_size = (1 << ((reg & 0xf0) >> 4)) << 20; + switch((reg >> 2) & 0x03) { + case 0x01: + case 0x03: + ivideo->video_size <<= 1; + break; + case 0x02: + ivideo->video_size += (ivideo->video_size/2); + } + break; + case SIS_330: + reg = SiS_GetReg(SISSR, 0x14); + ivideo->video_size = (1 << ((reg & 0xf0) >> 4)) << 20; + if(reg & 0x0c) ivideo->video_size <<= 1; + break; + case SIS_550: + case SIS_650: + case SIS_740: + reg = SiS_GetReg(SISSR, 0x14); + ivideo->video_size = (((reg & 0x3f) + 1) << 2) << 20; + break; + case SIS_661: + case SIS_741: + reg = SiS_GetReg(SISCR, 0x79); + ivideo->video_size = (1 << ((reg & 0xf0) >> 4)) << 20; + break; + case SIS_660: + case SIS_760: + case SIS_761: + reg = SiS_GetReg(SISCR, 0x79); + reg = (reg & 0xf0) >> 4; + if(reg) { + ivideo->video_size = (1 << reg) << 20; + ivideo->UMAsize = ivideo->video_size; + } + reg = SiS_GetReg(SISCR, 0x78); + reg &= 0x30; + if(reg) { + if(reg == 0x10) { + ivideo->LFBsize = (32 << 20); + } else { + ivideo->LFBsize = (64 << 20); + } + ivideo->video_size += ivideo->LFBsize; + } + break; + case SIS_340: + case XGI_20: + case XGI_40: + reg = SiS_GetReg(SISSR, 0x14); + ivideo->video_size = (1 << ((reg & 0xf0) >> 4)) << 20; + if(ivideo->chip != XGI_20) { + reg = (reg & 0x0c) >> 2; + if(ivideo->revision_id == 2) { + if(reg & 0x01) reg = 0x02; + else reg = 0x00; + } + if(reg == 0x02) ivideo->video_size <<= 1; + else if(reg == 0x03) ivideo->video_size <<= 2; + } + break; +#endif + default: + return -1; + } + return 0; +} + +/* -------------- video bridge device detection --------------- */ + +static void sisfb_detect_VB_connect(struct sis_video_info *ivideo) +{ + u8 cr32, temp; + + /* No CRT2 on XGI Z7 */ + if(ivideo->chip == XGI_20) { + ivideo->sisfb_crt1off = 0; + return; + } + +#ifdef CONFIG_FB_SIS_300 + if(ivideo->sisvga_engine == SIS_300_VGA) { + temp = SiS_GetReg(SISSR, 0x17); + if((temp & 0x0F) && (ivideo->chip != SIS_300)) { + /* PAL/NTSC is stored on SR16 on such machines */ + if(!(ivideo->vbflags & (TV_PAL | TV_NTSC | TV_PALM | TV_PALN))) { + temp = SiS_GetReg(SISSR, 0x16); + if(temp & 0x20) + ivideo->vbflags |= TV_PAL; + else + ivideo->vbflags |= TV_NTSC; + } + } + } +#endif + + cr32 = SiS_GetReg(SISCR, 0x32); + + if(cr32 & SIS_CRT1) { + ivideo->sisfb_crt1off = 0; + } else { + ivideo->sisfb_crt1off = (cr32 & 0xDF) ? 1 : 0; + } + + ivideo->vbflags &= ~(CRT2_TV | CRT2_LCD | CRT2_VGA); + + if(cr32 & SIS_VB_TV) ivideo->vbflags |= CRT2_TV; + if(cr32 & SIS_VB_LCD) ivideo->vbflags |= CRT2_LCD; + if(cr32 & SIS_VB_CRT2) ivideo->vbflags |= CRT2_VGA; + + /* Check given parms for hardware compatibility. + * (Cannot do this in the search_xx routines since we don't + * know what hardware we are running on then) + */ + + if(ivideo->chip != SIS_550) { + ivideo->sisfb_dstn = ivideo->sisfb_fstn = 0; + } + + if(ivideo->sisfb_tvplug != -1) { + if( (ivideo->sisvga_engine != SIS_315_VGA) || + (!(ivideo->vbflags2 & VB2_SISYPBPRBRIDGE)) ) { + if(ivideo->sisfb_tvplug & TV_YPBPR) { + ivideo->sisfb_tvplug = -1; + printk(KERN_ERR "sisfb: YPbPr not supported\n"); + } + } + } + if(ivideo->sisfb_tvplug != -1) { + if( (ivideo->sisvga_engine != SIS_315_VGA) || + (!(ivideo->vbflags2 & VB2_SISHIVISIONBRIDGE)) ) { + if(ivideo->sisfb_tvplug & TV_HIVISION) { + ivideo->sisfb_tvplug = -1; + printk(KERN_ERR "sisfb: HiVision not supported\n"); + } + } + } + if(ivideo->sisfb_tvstd != -1) { + if( (!(ivideo->vbflags2 & VB2_SISBRIDGE)) && + (!((ivideo->sisvga_engine == SIS_315_VGA) && + (ivideo->vbflags2 & VB2_CHRONTEL))) ) { + if(ivideo->sisfb_tvstd & (TV_PALM | TV_PALN | TV_NTSCJ)) { + ivideo->sisfb_tvstd = -1; + printk(KERN_ERR "sisfb: PALM/PALN/NTSCJ not supported\n"); + } + } + } + + /* Detect/set TV plug & type */ + if(ivideo->sisfb_tvplug != -1) { + ivideo->vbflags |= ivideo->sisfb_tvplug; + } else { + if(cr32 & SIS_VB_YPBPR) ivideo->vbflags |= (TV_YPBPR|TV_YPBPR525I); /* default: 480i */ + else if(cr32 & SIS_VB_HIVISION) ivideo->vbflags |= TV_HIVISION; + else if(cr32 & SIS_VB_SCART) ivideo->vbflags |= TV_SCART; + else { + if(cr32 & SIS_VB_SVIDEO) ivideo->vbflags |= TV_SVIDEO; + if(cr32 & SIS_VB_COMPOSITE) ivideo->vbflags |= TV_AVIDEO; + } + } + + if(!(ivideo->vbflags & (TV_YPBPR | TV_HIVISION))) { + if(ivideo->sisfb_tvstd != -1) { + ivideo->vbflags &= ~(TV_NTSC | TV_PAL | TV_PALM | TV_PALN | TV_NTSCJ); + ivideo->vbflags |= ivideo->sisfb_tvstd; + } + if(ivideo->vbflags & TV_SCART) { + ivideo->vbflags &= ~(TV_NTSC | TV_PALM | TV_PALN | TV_NTSCJ); + ivideo->vbflags |= TV_PAL; + } + if(!(ivideo->vbflags & (TV_PAL | TV_NTSC | TV_PALM | TV_PALN | TV_NTSCJ))) { + if(ivideo->sisvga_engine == SIS_300_VGA) { + temp = SiS_GetReg(SISSR, 0x38); + if(temp & 0x01) ivideo->vbflags |= TV_PAL; + else ivideo->vbflags |= TV_NTSC; + } else if((ivideo->chip <= SIS_315PRO) || (ivideo->chip >= SIS_330)) { + temp = SiS_GetReg(SISSR, 0x38); + if(temp & 0x01) ivideo->vbflags |= TV_PAL; + else ivideo->vbflags |= TV_NTSC; + } else { + temp = SiS_GetReg(SISCR, 0x79); + if(temp & 0x20) ivideo->vbflags |= TV_PAL; + else ivideo->vbflags |= TV_NTSC; + } + } + } + + /* Copy forceCRT1 option to CRT1off if option is given */ + if(ivideo->sisfb_forcecrt1 != -1) { + ivideo->sisfb_crt1off = (ivideo->sisfb_forcecrt1) ? 0 : 1; + } +} + +/* ------------------ Sensing routines ------------------ */ + +static bool sisfb_test_DDC1(struct sis_video_info *ivideo) +{ + unsigned short old; + int count = 48; + + old = SiS_ReadDDC1Bit(&ivideo->SiS_Pr); + do { + if(old != SiS_ReadDDC1Bit(&ivideo->SiS_Pr)) break; + } while(count--); + return (count != -1); +} + +static void sisfb_sense_crt1(struct sis_video_info *ivideo) +{ + bool mustwait = false; + u8 sr1F, cr17; +#ifdef CONFIG_FB_SIS_315 + u8 cr63=0; +#endif + u16 temp = 0xffff; + int i; + + sr1F = SiS_GetReg(SISSR, 0x1F); + SiS_SetRegOR(SISSR, 0x1F, 0x04); + SiS_SetRegAND(SISSR, 0x1F, 0x3F); + if(sr1F & 0xc0) mustwait = true; + +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + cr63 = SiS_GetReg(SISCR, ivideo->SiS_Pr.SiS_MyCR63); + cr63 &= 0x40; + SiS_SetRegAND(SISCR, ivideo->SiS_Pr.SiS_MyCR63, 0xBF); + } +#endif + + cr17 = SiS_GetReg(SISCR, 0x17); + cr17 &= 0x80; + if(!cr17) { + SiS_SetRegOR(SISCR, 0x17, 0x80); + mustwait = true; + SiS_SetReg(SISSR, 0x00, 0x01); + SiS_SetReg(SISSR, 0x00, 0x03); + } + + if(mustwait) { + for(i=0; i < 10; i++) sisfbwaitretracecrt1(ivideo); + } + +#ifdef CONFIG_FB_SIS_315 + if(ivideo->chip >= SIS_330) { + SiS_SetRegAND(SISCR, 0x32, ~0x20); + if(ivideo->chip >= SIS_340) { + SiS_SetReg(SISCR, 0x57, 0x4a); + } else { + SiS_SetReg(SISCR, 0x57, 0x5f); + } + SiS_SetRegOR(SISCR, 0x53, 0x02); + while ((SiS_GetRegByte(SISINPSTAT)) & 0x01) break; + while (!((SiS_GetRegByte(SISINPSTAT)) & 0x01)) break; + if ((SiS_GetRegByte(SISMISCW)) & 0x10) temp = 1; + SiS_SetRegAND(SISCR, 0x53, 0xfd); + SiS_SetRegAND(SISCR, 0x57, 0x00); + } +#endif + + if(temp == 0xffff) { + i = 3; + do { + temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags, + ivideo->sisvga_engine, 0, 0, NULL, ivideo->vbflags2); + } while(((temp == 0) || (temp == 0xffff)) && i--); + + if((temp == 0) || (temp == 0xffff)) { + if(sisfb_test_DDC1(ivideo)) temp = 1; + } + } + + if((temp) && (temp != 0xffff)) { + SiS_SetRegOR(SISCR, 0x32, 0x20); + } + +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + SiS_SetRegANDOR(SISCR, ivideo->SiS_Pr.SiS_MyCR63, 0xBF, cr63); + } +#endif + + SiS_SetRegANDOR(SISCR, 0x17, 0x7F, cr17); + + SiS_SetReg(SISSR, 0x1F, sr1F); +} + +/* Determine and detect attached devices on SiS30x */ +static void SiS_SenseLCD(struct sis_video_info *ivideo) +{ + unsigned char buffer[256]; + unsigned short temp, realcrtno, i; + u8 reg, cr37 = 0, paneltype = 0; + u16 xres, yres; + + ivideo->SiS_Pr.PanelSelfDetected = false; + + /* LCD detection only for TMDS bridges */ + if(!(ivideo->vbflags2 & VB2_SISTMDSBRIDGE)) + return; + if(ivideo->vbflags2 & VB2_30xBDH) + return; + + /* If LCD already set up by BIOS, skip it */ + reg = SiS_GetReg(SISCR, 0x32); + if(reg & 0x08) + return; + + realcrtno = 1; + if(ivideo->SiS_Pr.DDCPortMixup) + realcrtno = 0; + + /* Check DDC capabilities */ + temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags, ivideo->sisvga_engine, + realcrtno, 0, &buffer[0], ivideo->vbflags2); + + if((!temp) || (temp == 0xffff) || (!(temp & 0x02))) + return; + + /* Read DDC data */ + i = 3; /* Number of retrys */ + do { + temp = SiS_HandleDDC(&ivideo->SiS_Pr, ivideo->vbflags, + ivideo->sisvga_engine, realcrtno, 1, + &buffer[0], ivideo->vbflags2); + } while((temp) && i--); + + if(temp) + return; + + /* No digital device */ + if(!(buffer[0x14] & 0x80)) + return; + + /* First detailed timing preferred timing? */ + if(!(buffer[0x18] & 0x02)) + return; + + xres = buffer[0x38] | ((buffer[0x3a] & 0xf0) << 4); + yres = buffer[0x3b] | ((buffer[0x3d] & 0xf0) << 4); + + switch(xres) { + case 1024: + if(yres == 768) + paneltype = 0x02; + break; + case 1280: + if(yres == 1024) + paneltype = 0x03; + break; + case 1600: + if((yres == 1200) && (ivideo->vbflags2 & VB2_30xC)) + paneltype = 0x0b; + break; + } + + if(!paneltype) + return; + + if(buffer[0x23]) + cr37 |= 0x10; + + if((buffer[0x47] & 0x18) == 0x18) + cr37 |= ((((buffer[0x47] & 0x06) ^ 0x06) << 5) | 0x20); + else + cr37 |= 0xc0; + + SiS_SetReg(SISCR, 0x36, paneltype); + cr37 &= 0xf1; + SiS_SetRegANDOR(SISCR, 0x37, 0x0c, cr37); + SiS_SetRegOR(SISCR, 0x32, 0x08); + + ivideo->SiS_Pr.PanelSelfDetected = true; +} + +static int SISDoSense(struct sis_video_info *ivideo, u16 type, u16 test) +{ + int temp, mytest, result, i, j; + + for(j = 0; j < 10; j++) { + result = 0; + for(i = 0; i < 3; i++) { + mytest = test; + SiS_SetReg(SISPART4, 0x11, (type & 0x00ff)); + temp = (type >> 8) | (mytest & 0x00ff); + SiS_SetRegANDOR(SISPART4, 0x10, 0xe0, temp); + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x1500); + mytest >>= 8; + mytest &= 0x7f; + temp = SiS_GetReg(SISPART4, 0x03); + temp ^= 0x0e; + temp &= mytest; + if(temp == mytest) result++; +#if 1 + SiS_SetReg(SISPART4, 0x11, 0x00); + SiS_SetRegAND(SISPART4, 0x10, 0xe0); + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x1000); +#endif + } + if((result == 0) || (result >= 2)) break; + } + return result; +} + +static void SiS_Sense30x(struct sis_video_info *ivideo) +{ + u8 backupP4_0d,backupP2_00,backupP2_4d,backupSR_1e,biosflag=0; + u16 svhs=0, svhs_c=0; + u16 cvbs=0, cvbs_c=0; + u16 vga2=0, vga2_c=0; + int myflag, result; + char stdstr[] = "sisfb: Detected"; + char tvstr[] = "TV connected to"; + + if(ivideo->vbflags2 & VB2_301) { + svhs = 0x00b9; cvbs = 0x00b3; vga2 = 0x00d1; + myflag = SiS_GetReg(SISPART4, 0x01); + if(myflag & 0x04) { + svhs = 0x00dd; cvbs = 0x00ee; vga2 = 0x00fd; + } + } else if(ivideo->vbflags2 & (VB2_301B | VB2_302B)) { + svhs = 0x016b; cvbs = 0x0174; vga2 = 0x0190; + } else if(ivideo->vbflags2 & (VB2_301LV | VB2_302LV)) { + svhs = 0x0200; cvbs = 0x0100; + } else if(ivideo->vbflags2 & (VB2_301C | VB2_302ELV | VB2_307T | VB2_307LV)) { + svhs = 0x016b; cvbs = 0x0110; vga2 = 0x0190; + } else + return; + + vga2_c = 0x0e08; svhs_c = 0x0404; cvbs_c = 0x0804; + if(ivideo->vbflags & (VB2_301LV|VB2_302LV|VB2_302ELV|VB2_307LV)) { + svhs_c = 0x0408; cvbs_c = 0x0808; + } + + biosflag = 2; + if(ivideo->haveXGIROM) { + biosflag = ivideo->bios_abase[0x58] & 0x03; + } else if(ivideo->newrom) { + if(ivideo->bios_abase[0x5d] & 0x04) biosflag |= 0x01; + } else if(ivideo->sisvga_engine == SIS_300_VGA) { + if(ivideo->bios_abase) { + biosflag = ivideo->bios_abase[0xfe] & 0x03; + } + } + + if(ivideo->chip == SIS_300) { + myflag = SiS_GetReg(SISSR, 0x3b); + if(!(myflag & 0x01)) vga2 = vga2_c = 0; + } + + if(!(ivideo->vbflags2 & VB2_SISVGA2BRIDGE)) { + vga2 = vga2_c = 0; + } + + backupSR_1e = SiS_GetReg(SISSR, 0x1e); + SiS_SetRegOR(SISSR, 0x1e, 0x20); + + backupP4_0d = SiS_GetReg(SISPART4, 0x0d); + if(ivideo->vbflags2 & VB2_30xC) { + SiS_SetRegANDOR(SISPART4, 0x0d, ~0x07, 0x01); + } else { + SiS_SetRegOR(SISPART4, 0x0d, 0x04); + } + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x2000); + + backupP2_00 = SiS_GetReg(SISPART2, 0x00); + SiS_SetReg(SISPART2, 0x00, ((backupP2_00 | 0x1c) & 0xfc)); + + backupP2_4d = SiS_GetReg(SISPART2, 0x4d); + if(ivideo->vbflags2 & VB2_SISYPBPRBRIDGE) { + SiS_SetReg(SISPART2, 0x4d, (backupP2_4d & ~0x10)); + } + + if(!(ivideo->vbflags2 & VB2_30xCLV)) { + SISDoSense(ivideo, 0, 0); + } + + SiS_SetRegAND(SISCR, 0x32, ~0x14); + + if(vga2_c || vga2) { + if(SISDoSense(ivideo, vga2, vga2_c)) { + if(biosflag & 0x01) { + printk(KERN_INFO "%s %s SCART output\n", stdstr, tvstr); + SiS_SetRegOR(SISCR, 0x32, 0x04); + } else { + printk(KERN_INFO "%s secondary VGA connection\n", stdstr); + SiS_SetRegOR(SISCR, 0x32, 0x10); + } + } + } + + SiS_SetRegAND(SISCR, 0x32, 0x3f); + + if(ivideo->vbflags2 & VB2_30xCLV) { + SiS_SetRegOR(SISPART4, 0x0d, 0x04); + } + + if((ivideo->sisvga_engine == SIS_315_VGA) && (ivideo->vbflags2 & VB2_SISYPBPRBRIDGE)) { + SiS_SetReg(SISPART2, 0x4d, (backupP2_4d | 0x10)); + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x2000); + if((result = SISDoSense(ivideo, svhs, 0x0604))) { + if((result = SISDoSense(ivideo, cvbs, 0x0804))) { + printk(KERN_INFO "%s %s YPbPr component output\n", stdstr, tvstr); + SiS_SetRegOR(SISCR, 0x32, 0x80); + } + } + SiS_SetReg(SISPART2, 0x4d, backupP2_4d); + } + + SiS_SetRegAND(SISCR, 0x32, ~0x03); + + if(!(ivideo->vbflags & TV_YPBPR)) { + if((result = SISDoSense(ivideo, svhs, svhs_c))) { + printk(KERN_INFO "%s %s SVIDEO output\n", stdstr, tvstr); + SiS_SetRegOR(SISCR, 0x32, 0x02); + } + if((biosflag & 0x02) || (!result)) { + if(SISDoSense(ivideo, cvbs, cvbs_c)) { + printk(KERN_INFO "%s %s COMPOSITE output\n", stdstr, tvstr); + SiS_SetRegOR(SISCR, 0x32, 0x01); + } + } + } + + SISDoSense(ivideo, 0, 0); + + SiS_SetReg(SISPART2, 0x00, backupP2_00); + SiS_SetReg(SISPART4, 0x0d, backupP4_0d); + SiS_SetReg(SISSR, 0x1e, backupSR_1e); + + if(ivideo->vbflags2 & VB2_30xCLV) { + biosflag = SiS_GetReg(SISPART2, 0x00); + if(biosflag & 0x20) { + for(myflag = 2; myflag > 0; myflag--) { + biosflag ^= 0x20; + SiS_SetReg(SISPART2, 0x00, biosflag); + } + } + } + + SiS_SetReg(SISPART2, 0x00, backupP2_00); +} + +/* Determine and detect attached TV's on Chrontel */ +static void SiS_SenseCh(struct sis_video_info *ivideo) +{ +#if defined(CONFIG_FB_SIS_300) || defined(CONFIG_FB_SIS_315) + u8 temp1, temp2; + char stdstr[] = "sisfb: Chrontel: Detected TV connected to"; +#endif +#ifdef CONFIG_FB_SIS_300 + unsigned char test[3]; + int i; +#endif + + if(ivideo->chip < SIS_315H) { + +#ifdef CONFIG_FB_SIS_300 + ivideo->SiS_Pr.SiS_IF_DEF_CH70xx = 1; /* Chrontel 700x */ + SiS_SetChrontelGPIO(&ivideo->SiS_Pr, 0x9c); /* Set general purpose IO for Chrontel communication */ + SiS_DDC2Delay(&ivideo->SiS_Pr, 1000); + temp1 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x25); + /* See Chrontel TB31 for explanation */ + temp2 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x0e); + if(((temp2 & 0x07) == 0x01) || (temp2 & 0x04)) { + SiS_SetCH700x(&ivideo->SiS_Pr, 0x0e, 0x0b); + SiS_DDC2Delay(&ivideo->SiS_Pr, 300); + } + temp2 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x25); + if(temp2 != temp1) temp1 = temp2; + + if((temp1 >= 0x22) && (temp1 <= 0x50)) { + /* Read power status */ + temp1 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x0e); + if((temp1 & 0x03) != 0x03) { + /* Power all outputs */ + SiS_SetCH700x(&ivideo->SiS_Pr, 0x0e,0x0b); + SiS_DDC2Delay(&ivideo->SiS_Pr, 300); + } + /* Sense connected TV devices */ + for(i = 0; i < 3; i++) { + SiS_SetCH700x(&ivideo->SiS_Pr, 0x10, 0x01); + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96); + SiS_SetCH700x(&ivideo->SiS_Pr, 0x10, 0x00); + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96); + temp1 = SiS_GetCH700x(&ivideo->SiS_Pr, 0x10); + if(!(temp1 & 0x08)) test[i] = 0x02; + else if(!(temp1 & 0x02)) test[i] = 0x01; + else test[i] = 0; + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96); + } + + if(test[0] == test[1]) temp1 = test[0]; + else if(test[0] == test[2]) temp1 = test[0]; + else if(test[1] == test[2]) temp1 = test[1]; + else { + printk(KERN_INFO + "sisfb: TV detection unreliable - test results varied\n"); + temp1 = test[2]; + } + if(temp1 == 0x02) { + printk(KERN_INFO "%s SVIDEO output\n", stdstr); + ivideo->vbflags |= TV_SVIDEO; + SiS_SetRegOR(SISCR, 0x32, 0x02); + SiS_SetRegAND(SISCR, 0x32, ~0x05); + } else if (temp1 == 0x01) { + printk(KERN_INFO "%s CVBS output\n", stdstr); + ivideo->vbflags |= TV_AVIDEO; + SiS_SetRegOR(SISCR, 0x32, 0x01); + SiS_SetRegAND(SISCR, 0x32, ~0x06); + } else { + SiS_SetCH70xxANDOR(&ivideo->SiS_Pr, 0x0e, 0x01, 0xF8); + SiS_SetRegAND(SISCR, 0x32, ~0x07); + } + } else if(temp1 == 0) { + SiS_SetCH70xxANDOR(&ivideo->SiS_Pr, 0x0e, 0x01, 0xF8); + SiS_SetRegAND(SISCR, 0x32, ~0x07); + } + /* Set general purpose IO for Chrontel communication */ + SiS_SetChrontelGPIO(&ivideo->SiS_Pr, 0x00); +#endif + + } else { + +#ifdef CONFIG_FB_SIS_315 + ivideo->SiS_Pr.SiS_IF_DEF_CH70xx = 2; /* Chrontel 7019 */ + temp1 = SiS_GetCH701x(&ivideo->SiS_Pr, 0x49); + SiS_SetCH701x(&ivideo->SiS_Pr, 0x49, 0x20); + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96); + temp2 = SiS_GetCH701x(&ivideo->SiS_Pr, 0x20); + temp2 |= 0x01; + SiS_SetCH701x(&ivideo->SiS_Pr, 0x20, temp2); + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96); + temp2 ^= 0x01; + SiS_SetCH701x(&ivideo->SiS_Pr, 0x20, temp2); + SiS_DDC2Delay(&ivideo->SiS_Pr, 0x96); + temp2 = SiS_GetCH701x(&ivideo->SiS_Pr, 0x20); + SiS_SetCH701x(&ivideo->SiS_Pr, 0x49, temp1); + temp1 = 0; + if(temp2 & 0x02) temp1 |= 0x01; + if(temp2 & 0x10) temp1 |= 0x01; + if(temp2 & 0x04) temp1 |= 0x02; + if( (temp1 & 0x01) && (temp1 & 0x02) ) temp1 = 0x04; + switch(temp1) { + case 0x01: + printk(KERN_INFO "%s CVBS output\n", stdstr); + ivideo->vbflags |= TV_AVIDEO; + SiS_SetRegOR(SISCR, 0x32, 0x01); + SiS_SetRegAND(SISCR, 0x32, ~0x06); + break; + case 0x02: + printk(KERN_INFO "%s SVIDEO output\n", stdstr); + ivideo->vbflags |= TV_SVIDEO; + SiS_SetRegOR(SISCR, 0x32, 0x02); + SiS_SetRegAND(SISCR, 0x32, ~0x05); + break; + case 0x04: + printk(KERN_INFO "%s SCART output\n", stdstr); + SiS_SetRegOR(SISCR, 0x32, 0x04); + SiS_SetRegAND(SISCR, 0x32, ~0x03); + break; + default: + SiS_SetRegAND(SISCR, 0x32, ~0x07); + } +#endif + } +} + +static void sisfb_get_VB_type(struct sis_video_info *ivideo) +{ + char stdstr[] = "sisfb: Detected"; + char bridgestr[] = "video bridge"; + u8 vb_chipid; + u8 reg; + + /* No CRT2 on XGI Z7 */ + if(ivideo->chip == XGI_20) + return; + + vb_chipid = SiS_GetReg(SISPART4, 0x00); + switch(vb_chipid) { + case 0x01: + reg = SiS_GetReg(SISPART4, 0x01); + if(reg < 0xb0) { + ivideo->vbflags |= VB_301; /* Deprecated */ + ivideo->vbflags2 |= VB2_301; + printk(KERN_INFO "%s SiS301 %s\n", stdstr, bridgestr); + } else if(reg < 0xc0) { + ivideo->vbflags |= VB_301B; /* Deprecated */ + ivideo->vbflags2 |= VB2_301B; + reg = SiS_GetReg(SISPART4, 0x23); + if(!(reg & 0x02)) { + ivideo->vbflags |= VB_30xBDH; /* Deprecated */ + ivideo->vbflags2 |= VB2_30xBDH; + printk(KERN_INFO "%s SiS301B-DH %s\n", stdstr, bridgestr); + } else { + printk(KERN_INFO "%s SiS301B %s\n", stdstr, bridgestr); + } + } else if(reg < 0xd0) { + ivideo->vbflags |= VB_301C; /* Deprecated */ + ivideo->vbflags2 |= VB2_301C; + printk(KERN_INFO "%s SiS301C %s\n", stdstr, bridgestr); + } else if(reg < 0xe0) { + ivideo->vbflags |= VB_301LV; /* Deprecated */ + ivideo->vbflags2 |= VB2_301LV; + printk(KERN_INFO "%s SiS301LV %s\n", stdstr, bridgestr); + } else if(reg <= 0xe1) { + reg = SiS_GetReg(SISPART4, 0x39); + if(reg == 0xff) { + ivideo->vbflags |= VB_302LV; /* Deprecated */ + ivideo->vbflags2 |= VB2_302LV; + printk(KERN_INFO "%s SiS302LV %s\n", stdstr, bridgestr); + } else { + ivideo->vbflags |= VB_301C; /* Deprecated */ + ivideo->vbflags2 |= VB2_301C; + printk(KERN_INFO "%s SiS301C(P4) %s\n", stdstr, bridgestr); +#if 0 + ivideo->vbflags |= VB_302ELV; /* Deprecated */ + ivideo->vbflags2 |= VB2_302ELV; + printk(KERN_INFO "%s SiS302ELV %s\n", stdstr, bridgestr); +#endif + } + } + break; + case 0x02: + ivideo->vbflags |= VB_302B; /* Deprecated */ + ivideo->vbflags2 |= VB2_302B; + printk(KERN_INFO "%s SiS302B %s\n", stdstr, bridgestr); + break; + } + + if((!(ivideo->vbflags2 & VB2_VIDEOBRIDGE)) && (ivideo->chip != SIS_300)) { + reg = SiS_GetReg(SISCR, 0x37); + reg &= SIS_EXTERNAL_CHIP_MASK; + reg >>= 1; + if(ivideo->sisvga_engine == SIS_300_VGA) { +#ifdef CONFIG_FB_SIS_300 + switch(reg) { + case SIS_EXTERNAL_CHIP_LVDS: + ivideo->vbflags |= VB_LVDS; /* Deprecated */ + ivideo->vbflags2 |= VB2_LVDS; + break; + case SIS_EXTERNAL_CHIP_TRUMPION: + ivideo->vbflags |= (VB_LVDS | VB_TRUMPION); /* Deprecated */ + ivideo->vbflags2 |= (VB2_LVDS | VB2_TRUMPION); + break; + case SIS_EXTERNAL_CHIP_CHRONTEL: + ivideo->vbflags |= VB_CHRONTEL; /* Deprecated */ + ivideo->vbflags2 |= VB2_CHRONTEL; + break; + case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL: + ivideo->vbflags |= (VB_LVDS | VB_CHRONTEL); /* Deprecated */ + ivideo->vbflags2 |= (VB2_LVDS | VB2_CHRONTEL); + break; + } + if(ivideo->vbflags2 & VB2_CHRONTEL) ivideo->chronteltype = 1; +#endif + } else if(ivideo->chip < SIS_661) { +#ifdef CONFIG_FB_SIS_315 + switch (reg) { + case SIS310_EXTERNAL_CHIP_LVDS: + ivideo->vbflags |= VB_LVDS; /* Deprecated */ + ivideo->vbflags2 |= VB2_LVDS; + break; + case SIS310_EXTERNAL_CHIP_LVDS_CHRONTEL: + ivideo->vbflags |= (VB_LVDS | VB_CHRONTEL); /* Deprecated */ + ivideo->vbflags2 |= (VB2_LVDS | VB2_CHRONTEL); + break; + } + if(ivideo->vbflags2 & VB2_CHRONTEL) ivideo->chronteltype = 2; +#endif + } else if(ivideo->chip >= SIS_661) { +#ifdef CONFIG_FB_SIS_315 + reg = SiS_GetReg(SISCR, 0x38); + reg >>= 5; + switch(reg) { + case 0x02: + ivideo->vbflags |= VB_LVDS; /* Deprecated */ + ivideo->vbflags2 |= VB2_LVDS; + break; + case 0x03: + ivideo->vbflags |= (VB_LVDS | VB_CHRONTEL); /* Deprecated */ + ivideo->vbflags2 |= (VB2_LVDS | VB2_CHRONTEL); + break; + case 0x04: + ivideo->vbflags |= (VB_LVDS | VB_CONEXANT); /* Deprecated */ + ivideo->vbflags2 |= (VB2_LVDS | VB2_CONEXANT); + break; + } + if(ivideo->vbflags2 & VB2_CHRONTEL) ivideo->chronteltype = 2; +#endif + } + if(ivideo->vbflags2 & VB2_LVDS) { + printk(KERN_INFO "%s LVDS transmitter\n", stdstr); + } + if((ivideo->sisvga_engine == SIS_300_VGA) && (ivideo->vbflags2 & VB2_TRUMPION)) { + printk(KERN_INFO "%s Trumpion Zurac LCD scaler\n", stdstr); + } + if(ivideo->vbflags2 & VB2_CHRONTEL) { + printk(KERN_INFO "%s Chrontel TV encoder\n", stdstr); + } + if((ivideo->chip >= SIS_661) && (ivideo->vbflags2 & VB2_CONEXANT)) { + printk(KERN_INFO "%s Conexant external device\n", stdstr); + } + } + + if(ivideo->vbflags2 & VB2_SISBRIDGE) { + SiS_SenseLCD(ivideo); + SiS_Sense30x(ivideo); + } else if(ivideo->vbflags2 & VB2_CHRONTEL) { + SiS_SenseCh(ivideo); + } +} + +/* ---------- Engine initialization routines ------------ */ + +static void +sisfb_engine_init(struct sis_video_info *ivideo) +{ + + /* Initialize command queue (we use MMIO only) */ + + /* BEFORE THIS IS CALLED, THE ENGINES *MUST* BE SYNC'ED */ + + ivideo->caps &= ~(TURBO_QUEUE_CAP | + MMIO_CMD_QUEUE_CAP | + VM_CMD_QUEUE_CAP | + AGP_CMD_QUEUE_CAP); + +#ifdef CONFIG_FB_SIS_300 + if(ivideo->sisvga_engine == SIS_300_VGA) { + u32 tqueue_pos; + u8 tq_state; + + tqueue_pos = (ivideo->video_size - ivideo->cmdQueueSize) / (64 * 1024); + + tq_state = SiS_GetReg(SISSR, IND_SIS_TURBOQUEUE_SET); + tq_state |= 0xf0; + tq_state &= 0xfc; + tq_state |= (u8)(tqueue_pos >> 8); + SiS_SetReg(SISSR, IND_SIS_TURBOQUEUE_SET, tq_state); + + SiS_SetReg(SISSR, IND_SIS_TURBOQUEUE_ADR, (u8)(tqueue_pos & 0xff)); + + ivideo->caps |= TURBO_QUEUE_CAP; + } +#endif + +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + u32 tempq = 0, templ; + u8 temp; + + if(ivideo->chip == XGI_20) { + switch(ivideo->cmdQueueSize) { + case (64 * 1024): + temp = SIS_CMD_QUEUE_SIZE_Z7_64k; + break; + case (128 * 1024): + default: + temp = SIS_CMD_QUEUE_SIZE_Z7_128k; + } + } else { + switch(ivideo->cmdQueueSize) { + case (4 * 1024 * 1024): + temp = SIS_CMD_QUEUE_SIZE_4M; + break; + case (2 * 1024 * 1024): + temp = SIS_CMD_QUEUE_SIZE_2M; + break; + case (1 * 1024 * 1024): + temp = SIS_CMD_QUEUE_SIZE_1M; + break; + default: + case (512 * 1024): + temp = SIS_CMD_QUEUE_SIZE_512k; + } + } + + SiS_SetReg(SISSR, IND_SIS_CMDQUEUE_THRESHOLD, COMMAND_QUEUE_THRESHOLD); + SiS_SetReg(SISSR, IND_SIS_CMDQUEUE_SET, SIS_CMD_QUEUE_RESET); + + if((ivideo->chip >= XGI_40) && ivideo->modechanged) { + /* Must disable dual pipe on XGI_40. Can't do + * this in MMIO mode, because it requires + * setting/clearing a bit in the MMIO fire trigger + * register. + */ + if(!((templ = MMIO_IN32(ivideo->mmio_vbase, 0x8240)) & (1 << 10))) { + + MMIO_OUT32(ivideo->mmio_vbase, Q_WRITE_PTR, 0); + + SiS_SetReg(SISSR, IND_SIS_CMDQUEUE_SET, (temp | SIS_VRAM_CMDQUEUE_ENABLE)); + + tempq = MMIO_IN32(ivideo->mmio_vbase, Q_READ_PTR); + MMIO_OUT32(ivideo->mmio_vbase, Q_WRITE_PTR, tempq); + + tempq = (u32)(ivideo->video_size - ivideo->cmdQueueSize); + MMIO_OUT32(ivideo->mmio_vbase, Q_BASE_ADDR, tempq); + + writel(0x16800000 + 0x8240, ivideo->video_vbase + tempq); + writel(templ | (1 << 10), ivideo->video_vbase + tempq + 4); + writel(0x168F0000, ivideo->video_vbase + tempq + 8); + writel(0x168F0000, ivideo->video_vbase + tempq + 12); + + MMIO_OUT32(ivideo->mmio_vbase, Q_WRITE_PTR, (tempq + 16)); + + sisfb_syncaccel(ivideo); + + SiS_SetReg(SISSR, IND_SIS_CMDQUEUE_SET, SIS_CMD_QUEUE_RESET); + + } + } + + tempq = MMIO_IN32(ivideo->mmio_vbase, MMIO_QUEUE_READPORT); + MMIO_OUT32(ivideo->mmio_vbase, MMIO_QUEUE_WRITEPORT, tempq); + + temp |= (SIS_MMIO_CMD_ENABLE | SIS_CMD_AUTO_CORR); + SiS_SetReg(SISSR, IND_SIS_CMDQUEUE_SET, temp); + + tempq = (u32)(ivideo->video_size - ivideo->cmdQueueSize); + MMIO_OUT32(ivideo->mmio_vbase, MMIO_QUEUE_PHYBASE, tempq); + + ivideo->caps |= MMIO_CMD_QUEUE_CAP; + } +#endif + + ivideo->engineok = 1; +} + +static void sisfb_detect_lcd_type(struct sis_video_info *ivideo) +{ + u8 reg; + int i; + + reg = SiS_GetReg(SISCR, 0x36); + reg &= 0x0f; + if(ivideo->sisvga_engine == SIS_300_VGA) { + ivideo->CRT2LCDType = sis300paneltype[reg]; + } else if(ivideo->chip >= SIS_661) { + ivideo->CRT2LCDType = sis661paneltype[reg]; + } else { + ivideo->CRT2LCDType = sis310paneltype[reg]; + if((ivideo->chip == SIS_550) && (sisfb_fstn)) { + if((ivideo->CRT2LCDType != LCD_320x240_2) && + (ivideo->CRT2LCDType != LCD_320x240_3)) { + ivideo->CRT2LCDType = LCD_320x240; + } + } + } + + if(ivideo->CRT2LCDType == LCD_UNKNOWN) { + /* For broken BIOSes: Assume 1024x768, RGB18 */ + ivideo->CRT2LCDType = LCD_1024x768; + SiS_SetRegANDOR(SISCR, 0x36, 0xf0, 0x02); + SiS_SetRegANDOR(SISCR, 0x37, 0xee, 0x01); + printk(KERN_DEBUG "sisfb: Invalid panel ID (%02x), assuming 1024x768, RGB18\n", reg); + } + + for(i = 0; i < SIS_LCD_NUMBER; i++) { + if(ivideo->CRT2LCDType == sis_lcd_data[i].lcdtype) { + ivideo->lcdxres = sis_lcd_data[i].xres; + ivideo->lcdyres = sis_lcd_data[i].yres; + ivideo->lcddefmodeidx = sis_lcd_data[i].default_mode_idx; + break; + } + } + +#ifdef CONFIG_FB_SIS_300 + if(ivideo->SiS_Pr.SiS_CustomT == CUT_BARCO1366) { + ivideo->lcdxres = 1360; ivideo->lcdyres = 1024; + ivideo->lcddefmodeidx = DEFAULT_MODE_1360; + } else if(ivideo->SiS_Pr.SiS_CustomT == CUT_PANEL848) { + ivideo->lcdxres = 848; ivideo->lcdyres = 480; + ivideo->lcddefmodeidx = DEFAULT_MODE_848; + } else if(ivideo->SiS_Pr.SiS_CustomT == CUT_PANEL856) { + ivideo->lcdxres = 856; ivideo->lcdyres = 480; + ivideo->lcddefmodeidx = DEFAULT_MODE_856; + } +#endif + + printk(KERN_DEBUG "sisfb: Detected %dx%d flat panel\n", + ivideo->lcdxres, ivideo->lcdyres); +} + +static void sisfb_save_pdc_emi(struct sis_video_info *ivideo) +{ +#ifdef CONFIG_FB_SIS_300 + /* Save the current PanelDelayCompensation if the LCD is currently used */ + if(ivideo->sisvga_engine == SIS_300_VGA) { + if(ivideo->vbflags2 & (VB2_LVDS | VB2_30xBDH)) { + int tmp; + tmp = SiS_GetReg(SISCR, 0x30); + if(tmp & 0x20) { + /* Currently on LCD? If yes, read current pdc */ + ivideo->detectedpdc = SiS_GetReg(SISPART1, 0x13); + ivideo->detectedpdc &= 0x3c; + if(ivideo->SiS_Pr.PDC == -1) { + /* Let option override detection */ + ivideo->SiS_Pr.PDC = ivideo->detectedpdc; + } + printk(KERN_INFO "sisfb: Detected LCD PDC 0x%02x\n", + ivideo->detectedpdc); + } + if((ivideo->SiS_Pr.PDC != -1) && + (ivideo->SiS_Pr.PDC != ivideo->detectedpdc)) { + printk(KERN_INFO "sisfb: Using LCD PDC 0x%02x\n", + ivideo->SiS_Pr.PDC); + } + } + } +#endif + +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + + /* Try to find about LCDA */ + if(ivideo->vbflags2 & VB2_SISLCDABRIDGE) { + int tmp; + tmp = SiS_GetReg(SISPART1, 0x13); + if(tmp & 0x04) { + ivideo->SiS_Pr.SiS_UseLCDA = true; + ivideo->detectedlcda = 0x03; + } + } + + /* Save PDC */ + if(ivideo->vbflags2 & VB2_SISLVDSBRIDGE) { + int tmp; + tmp = SiS_GetReg(SISCR, 0x30); + if((tmp & 0x20) || (ivideo->detectedlcda != 0xff)) { + /* Currently on LCD? If yes, read current pdc */ + u8 pdc; + pdc = SiS_GetReg(SISPART1, 0x2D); + ivideo->detectedpdc = (pdc & 0x0f) << 1; + ivideo->detectedpdca = (pdc & 0xf0) >> 3; + pdc = SiS_GetReg(SISPART1, 0x35); + ivideo->detectedpdc |= ((pdc >> 7) & 0x01); + pdc = SiS_GetReg(SISPART1, 0x20); + ivideo->detectedpdca |= ((pdc >> 6) & 0x01); + if(ivideo->newrom) { + /* New ROM invalidates other PDC resp. */ + if(ivideo->detectedlcda != 0xff) { + ivideo->detectedpdc = 0xff; + } else { + ivideo->detectedpdca = 0xff; + } + } + if(ivideo->SiS_Pr.PDC == -1) { + if(ivideo->detectedpdc != 0xff) { + ivideo->SiS_Pr.PDC = ivideo->detectedpdc; + } + } + if(ivideo->SiS_Pr.PDCA == -1) { + if(ivideo->detectedpdca != 0xff) { + ivideo->SiS_Pr.PDCA = ivideo->detectedpdca; + } + } + if(ivideo->detectedpdc != 0xff) { + printk(KERN_INFO + "sisfb: Detected LCD PDC 0x%02x (for LCD=CRT2)\n", + ivideo->detectedpdc); + } + if(ivideo->detectedpdca != 0xff) { + printk(KERN_INFO + "sisfb: Detected LCD PDC1 0x%02x (for LCD=CRT1)\n", + ivideo->detectedpdca); + } + } + + /* Save EMI */ + if(ivideo->vbflags2 & VB2_SISEMIBRIDGE) { + ivideo->SiS_Pr.EMI_30 = SiS_GetReg(SISPART4, 0x30); + ivideo->SiS_Pr.EMI_31 = SiS_GetReg(SISPART4, 0x31); + ivideo->SiS_Pr.EMI_32 = SiS_GetReg(SISPART4, 0x32); + ivideo->SiS_Pr.EMI_33 = SiS_GetReg(SISPART4, 0x33); + ivideo->SiS_Pr.HaveEMI = true; + if((tmp & 0x20) || (ivideo->detectedlcda != 0xff)) { + ivideo->SiS_Pr.HaveEMILCD = true; + } + } + } + + /* Let user override detected PDCs (all bridges) */ + if(ivideo->vbflags2 & VB2_30xBLV) { + if((ivideo->SiS_Pr.PDC != -1) && + (ivideo->SiS_Pr.PDC != ivideo->detectedpdc)) { + printk(KERN_INFO "sisfb: Using LCD PDC 0x%02x (for LCD=CRT2)\n", + ivideo->SiS_Pr.PDC); + } + if((ivideo->SiS_Pr.PDCA != -1) && + (ivideo->SiS_Pr.PDCA != ivideo->detectedpdca)) { + printk(KERN_INFO "sisfb: Using LCD PDC1 0x%02x (for LCD=CRT1)\n", + ivideo->SiS_Pr.PDCA); + } + } + + } +#endif +} + +/* -------------------- Memory manager routines ---------------------- */ + +static u32 sisfb_getheapstart(struct sis_video_info *ivideo) +{ + u32 ret = ivideo->sisfb_parm_mem * 1024; + u32 maxoffs = ivideo->video_size - ivideo->hwcursor_size - ivideo->cmdQueueSize; + u32 def; + + /* Calculate heap start = end of memory for console + * + * CCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDDDDHHHHQQQQQQQQQQ + * C = console, D = heap, H = HWCursor, Q = cmd-queue + * + * On 76x in UMA+LFB mode, the layout is as follows: + * DDDDDDDDDDDCCCCCCCCCCCCCCCCCCCCCCCCHHHHQQQQQQQQQQQ + * where the heap is the entire UMA area, eventually + * into the LFB area if the given mem parameter is + * higher than the size of the UMA memory. + * + * Basically given by "mem" parameter + * + * maximum = videosize - cmd_queue - hwcursor + * (results in a heap of size 0) + * default = SiS 300: depends on videosize + * SiS 315/330/340/XGI: 32k below max + */ + + if(ivideo->sisvga_engine == SIS_300_VGA) { + if(ivideo->video_size > 0x1000000) { + def = 0xc00000; + } else if(ivideo->video_size > 0x800000) { + def = 0x800000; + } else { + def = 0x400000; + } + } else if(ivideo->UMAsize && ivideo->LFBsize) { + ret = def = 0; + } else { + def = maxoffs - 0x8000; + } + + /* Use default for secondary card for now (FIXME) */ + if((!ret) || (ret > maxoffs) || (ivideo->cardnumber != 0)) + ret = def; + + return ret; +} + +static u32 sisfb_getheapsize(struct sis_video_info *ivideo) +{ + u32 max = ivideo->video_size - ivideo->hwcursor_size - ivideo->cmdQueueSize; + u32 ret = 0; + + if(ivideo->UMAsize && ivideo->LFBsize) { + if( (!ivideo->sisfb_parm_mem) || + ((ivideo->sisfb_parm_mem * 1024) > max) || + ((max - (ivideo->sisfb_parm_mem * 1024)) < ivideo->UMAsize) ) { + ret = ivideo->UMAsize; + max -= ivideo->UMAsize; + } else { + ret = max - (ivideo->sisfb_parm_mem * 1024); + max = ivideo->sisfb_parm_mem * 1024; + } + ivideo->video_offset = ret; + ivideo->sisfb_mem = max; + } else { + ret = max - ivideo->heapstart; + ivideo->sisfb_mem = ivideo->heapstart; + } + + return ret; +} + +static int sisfb_heap_init(struct sis_video_info *ivideo) +{ + struct SIS_OH *poh; + + ivideo->video_offset = 0; + if(ivideo->sisfb_parm_mem) { + if( (ivideo->sisfb_parm_mem < (2 * 1024 * 1024)) || + (ivideo->sisfb_parm_mem > ivideo->video_size) ) { + ivideo->sisfb_parm_mem = 0; + } + } + + ivideo->heapstart = sisfb_getheapstart(ivideo); + ivideo->sisfb_heap_size = sisfb_getheapsize(ivideo); + + ivideo->sisfb_heap_start = ivideo->video_vbase + ivideo->heapstart; + ivideo->sisfb_heap_end = ivideo->sisfb_heap_start + ivideo->sisfb_heap_size; + + printk(KERN_INFO "sisfb: Memory heap starting at %dK, size %dK\n", + (int)(ivideo->heapstart / 1024), (int)(ivideo->sisfb_heap_size / 1024)); + + ivideo->sisfb_heap.vinfo = ivideo; + + ivideo->sisfb_heap.poha_chain = NULL; + ivideo->sisfb_heap.poh_freelist = NULL; + + poh = sisfb_poh_new_node(&ivideo->sisfb_heap); + if(poh == NULL) + return 1; + + poh->poh_next = &ivideo->sisfb_heap.oh_free; + poh->poh_prev = &ivideo->sisfb_heap.oh_free; + poh->size = ivideo->sisfb_heap_size; + poh->offset = ivideo->heapstart; + + ivideo->sisfb_heap.oh_free.poh_next = poh; + ivideo->sisfb_heap.oh_free.poh_prev = poh; + ivideo->sisfb_heap.oh_free.size = 0; + ivideo->sisfb_heap.max_freesize = poh->size; + + ivideo->sisfb_heap.oh_used.poh_next = &ivideo->sisfb_heap.oh_used; + ivideo->sisfb_heap.oh_used.poh_prev = &ivideo->sisfb_heap.oh_used; + ivideo->sisfb_heap.oh_used.size = SENTINEL; + + if(ivideo->cardnumber == 0) { + /* For the first card, make this heap the "global" one + * for old DRM (which could handle only one card) + */ + sisfb_heap = &ivideo->sisfb_heap; + } + + return 0; +} + +static struct SIS_OH * +sisfb_poh_new_node(struct SIS_HEAP *memheap) +{ + struct SIS_OHALLOC *poha; + struct SIS_OH *poh; + unsigned long cOhs; + int i; + + if(memheap->poh_freelist == NULL) { + poha = kmalloc(SIS_OH_ALLOC_SIZE, GFP_KERNEL); + if(!poha) + return NULL; + + poha->poha_next = memheap->poha_chain; + memheap->poha_chain = poha; + + cOhs = (SIS_OH_ALLOC_SIZE - sizeof(struct SIS_OHALLOC)) / sizeof(struct SIS_OH) + 1; + + poh = &poha->aoh[0]; + for(i = cOhs - 1; i != 0; i--) { + poh->poh_next = poh + 1; + poh = poh + 1; + } + + poh->poh_next = NULL; + memheap->poh_freelist = &poha->aoh[0]; + } + + poh = memheap->poh_freelist; + memheap->poh_freelist = poh->poh_next; + + return poh; +} + +static struct SIS_OH * +sisfb_poh_allocate(struct SIS_HEAP *memheap, u32 size) +{ + struct SIS_OH *pohThis; + struct SIS_OH *pohRoot; + int bAllocated = 0; + + if(size > memheap->max_freesize) { + DPRINTK("sisfb: Can't allocate %dk video memory\n", + (unsigned int) size / 1024); + return NULL; + } + + pohThis = memheap->oh_free.poh_next; + + while(pohThis != &memheap->oh_free) { + if(size <= pohThis->size) { + bAllocated = 1; + break; + } + pohThis = pohThis->poh_next; + } + + if(!bAllocated) { + DPRINTK("sisfb: Can't allocate %dk video memory\n", + (unsigned int) size / 1024); + return NULL; + } + + if(size == pohThis->size) { + pohRoot = pohThis; + sisfb_delete_node(pohThis); + } else { + pohRoot = sisfb_poh_new_node(memheap); + if(pohRoot == NULL) + return NULL; + + pohRoot->offset = pohThis->offset; + pohRoot->size = size; + + pohThis->offset += size; + pohThis->size -= size; + } + + memheap->max_freesize -= size; + + pohThis = &memheap->oh_used; + sisfb_insert_node(pohThis, pohRoot); + + return pohRoot; +} + +static void +sisfb_delete_node(struct SIS_OH *poh) +{ + poh->poh_prev->poh_next = poh->poh_next; + poh->poh_next->poh_prev = poh->poh_prev; +} + +static void +sisfb_insert_node(struct SIS_OH *pohList, struct SIS_OH *poh) +{ + struct SIS_OH *pohTemp = pohList->poh_next; + + pohList->poh_next = poh; + pohTemp->poh_prev = poh; + + poh->poh_prev = pohList; + poh->poh_next = pohTemp; +} + +static struct SIS_OH * +sisfb_poh_free(struct SIS_HEAP *memheap, u32 base) +{ + struct SIS_OH *pohThis; + struct SIS_OH *poh_freed; + struct SIS_OH *poh_prev; + struct SIS_OH *poh_next; + u32 ulUpper; + u32 ulLower; + int foundNode = 0; + + poh_freed = memheap->oh_used.poh_next; + + while(poh_freed != &memheap->oh_used) { + if(poh_freed->offset == base) { + foundNode = 1; + break; + } + + poh_freed = poh_freed->poh_next; + } + + if(!foundNode) + return NULL; + + memheap->max_freesize += poh_freed->size; + + poh_prev = poh_next = NULL; + ulUpper = poh_freed->offset + poh_freed->size; + ulLower = poh_freed->offset; + + pohThis = memheap->oh_free.poh_next; + + while(pohThis != &memheap->oh_free) { + if(pohThis->offset == ulUpper) { + poh_next = pohThis; + } else if((pohThis->offset + pohThis->size) == ulLower) { + poh_prev = pohThis; + } + pohThis = pohThis->poh_next; + } + + sisfb_delete_node(poh_freed); + + if(poh_prev && poh_next) { + poh_prev->size += (poh_freed->size + poh_next->size); + sisfb_delete_node(poh_next); + sisfb_free_node(memheap, poh_freed); + sisfb_free_node(memheap, poh_next); + return poh_prev; + } + + if(poh_prev) { + poh_prev->size += poh_freed->size; + sisfb_free_node(memheap, poh_freed); + return poh_prev; + } + + if(poh_next) { + poh_next->size += poh_freed->size; + poh_next->offset = poh_freed->offset; + sisfb_free_node(memheap, poh_freed); + return poh_next; + } + + sisfb_insert_node(&memheap->oh_free, poh_freed); + + return poh_freed; +} + +static void +sisfb_free_node(struct SIS_HEAP *memheap, struct SIS_OH *poh) +{ + if(poh == NULL) + return; + + poh->poh_next = memheap->poh_freelist; + memheap->poh_freelist = poh; +} + +static void +sis_int_malloc(struct sis_video_info *ivideo, struct sis_memreq *req) +{ + struct SIS_OH *poh = NULL; + + if((ivideo) && (ivideo->sisfb_id == SISFB_ID) && (!ivideo->havenoheap)) + poh = sisfb_poh_allocate(&ivideo->sisfb_heap, (u32)req->size); + + if(poh == NULL) { + req->offset = req->size = 0; + DPRINTK("sisfb: Video RAM allocation failed\n"); + } else { + req->offset = poh->offset; + req->size = poh->size; + DPRINTK("sisfb: Video RAM allocation succeeded: 0x%lx\n", + (poh->offset + ivideo->video_vbase)); + } +} + +void +sis_malloc(struct sis_memreq *req) +{ + struct sis_video_info *ivideo = sisfb_heap->vinfo; + + if(&ivideo->sisfb_heap == sisfb_heap) + sis_int_malloc(ivideo, req); + else + req->offset = req->size = 0; +} + +void +sis_malloc_new(struct pci_dev *pdev, struct sis_memreq *req) +{ + struct sis_video_info *ivideo = pci_get_drvdata(pdev); + + sis_int_malloc(ivideo, req); +} + +/* sis_free: u32 because "base" is offset inside video ram, can never be >4GB */ + +static void +sis_int_free(struct sis_video_info *ivideo, u32 base) +{ + struct SIS_OH *poh; + + if((!ivideo) || (ivideo->sisfb_id != SISFB_ID) || (ivideo->havenoheap)) + return; + + poh = sisfb_poh_free(&ivideo->sisfb_heap, base); + + if(poh == NULL) { + DPRINTK("sisfb: sisfb_poh_free() failed at base 0x%x\n", + (unsigned int) base); + } +} + +void +sis_free(u32 base) +{ + struct sis_video_info *ivideo = sisfb_heap->vinfo; + + sis_int_free(ivideo, base); +} + +void +sis_free_new(struct pci_dev *pdev, u32 base) +{ + struct sis_video_info *ivideo = pci_get_drvdata(pdev); + + sis_int_free(ivideo, base); +} + +/* --------------------- SetMode routines ------------------------- */ + +static void +sisfb_check_engine_and_sync(struct sis_video_info *ivideo) +{ + u8 cr30, cr31; + + /* Check if MMIO and engines are enabled, + * and sync in case they are. Can't use + * ivideo->accel here, as this might have + * been changed before this is called. + */ + cr30 = SiS_GetReg(SISSR, IND_SIS_PCI_ADDRESS_SET); + cr31 = SiS_GetReg(SISSR, IND_SIS_MODULE_ENABLE); + /* MMIO and 2D/3D engine enabled? */ + if((cr30 & SIS_MEM_MAP_IO_ENABLE) && (cr31 & 0x42)) { +#ifdef CONFIG_FB_SIS_300 + if(ivideo->sisvga_engine == SIS_300_VGA) { + /* Don't care about TurboQueue. It's + * enough to know that the engines + * are enabled + */ + sisfb_syncaccel(ivideo); + } +#endif +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + /* Check that any queue mode is + * enabled, and that the queue + * is not in the state of "reset" + */ + cr30 = SiS_GetReg(SISSR, 0x26); + if((cr30 & 0xe0) && (!(cr30 & 0x01))) { + sisfb_syncaccel(ivideo); + } + } +#endif + } +} + +static void +sisfb_pre_setmode(struct sis_video_info *ivideo) +{ + u8 cr30 = 0, cr31 = 0, cr33 = 0, cr35 = 0, cr38 = 0; + int tvregnum = 0; + + ivideo->currentvbflags &= (VB_VIDEOBRIDGE | VB_DISPTYPE_DISP2); + + SiS_SetReg(SISSR, 0x05, 0x86); + + cr31 = SiS_GetReg(SISCR, 0x31); + cr31 &= ~0x60; + cr31 |= 0x04; + + cr33 = ivideo->rate_idx & 0x0F; + +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + if(ivideo->chip >= SIS_661) { + cr38 = SiS_GetReg(SISCR, 0x38); + cr38 &= ~0x07; /* Clear LCDA/DualEdge and YPbPr bits */ + } else { + tvregnum = 0x38; + cr38 = SiS_GetReg(SISCR, tvregnum); + cr38 &= ~0x3b; /* Clear LCDA/DualEdge and YPbPr bits */ + } + } +#endif +#ifdef CONFIG_FB_SIS_300 + if(ivideo->sisvga_engine == SIS_300_VGA) { + tvregnum = 0x35; + cr38 = SiS_GetReg(SISCR, tvregnum); + } +#endif + + SiS_SetEnableDstn(&ivideo->SiS_Pr, false); + SiS_SetEnableFstn(&ivideo->SiS_Pr, false); + ivideo->curFSTN = ivideo->curDSTN = 0; + + switch(ivideo->currentvbflags & VB_DISPTYPE_DISP2) { + + case CRT2_TV: + cr38 &= ~0xc0; /* Clear PAL-M / PAL-N bits */ + if((ivideo->vbflags & TV_YPBPR) && (ivideo->vbflags2 & VB2_SISYPBPRBRIDGE)) { +#ifdef CONFIG_FB_SIS_315 + if(ivideo->chip >= SIS_661) { + cr38 |= 0x04; + if(ivideo->vbflags & TV_YPBPR525P) cr35 |= 0x20; + else if(ivideo->vbflags & TV_YPBPR750P) cr35 |= 0x40; + else if(ivideo->vbflags & TV_YPBPR1080I) cr35 |= 0x60; + cr30 |= SIS_SIMULTANEOUS_VIEW_ENABLE; + cr35 &= ~0x01; + ivideo->currentvbflags |= (TV_YPBPR | (ivideo->vbflags & TV_YPBPRALL)); + } else if(ivideo->sisvga_engine == SIS_315_VGA) { + cr30 |= (0x80 | SIS_SIMULTANEOUS_VIEW_ENABLE); + cr38 |= 0x08; + if(ivideo->vbflags & TV_YPBPR525P) cr38 |= 0x10; + else if(ivideo->vbflags & TV_YPBPR750P) cr38 |= 0x20; + else if(ivideo->vbflags & TV_YPBPR1080I) cr38 |= 0x30; + cr31 &= ~0x01; + ivideo->currentvbflags |= (TV_YPBPR | (ivideo->vbflags & TV_YPBPRALL)); + } +#endif + } else if((ivideo->vbflags & TV_HIVISION) && + (ivideo->vbflags2 & VB2_SISHIVISIONBRIDGE)) { + if(ivideo->chip >= SIS_661) { + cr38 |= 0x04; + cr35 |= 0x60; + } else { + cr30 |= 0x80; + } + cr30 |= SIS_SIMULTANEOUS_VIEW_ENABLE; + cr31 |= 0x01; + cr35 |= 0x01; + ivideo->currentvbflags |= TV_HIVISION; + } else if(ivideo->vbflags & TV_SCART) { + cr30 = (SIS_VB_OUTPUT_SCART | SIS_SIMULTANEOUS_VIEW_ENABLE); + cr31 |= 0x01; + cr35 |= 0x01; + ivideo->currentvbflags |= TV_SCART; + } else { + if(ivideo->vbflags & TV_SVIDEO) { + cr30 = (SIS_VB_OUTPUT_SVIDEO | SIS_SIMULTANEOUS_VIEW_ENABLE); + ivideo->currentvbflags |= TV_SVIDEO; + } + if(ivideo->vbflags & TV_AVIDEO) { + cr30 = (SIS_VB_OUTPUT_COMPOSITE | SIS_SIMULTANEOUS_VIEW_ENABLE); + ivideo->currentvbflags |= TV_AVIDEO; + } + } + cr31 |= SIS_DRIVER_MODE; + + if(ivideo->vbflags & (TV_AVIDEO | TV_SVIDEO)) { + if(ivideo->vbflags & TV_PAL) { + cr31 |= 0x01; cr35 |= 0x01; + ivideo->currentvbflags |= TV_PAL; + if(ivideo->vbflags & TV_PALM) { + cr38 |= 0x40; cr35 |= 0x04; + ivideo->currentvbflags |= TV_PALM; + } else if(ivideo->vbflags & TV_PALN) { + cr38 |= 0x80; cr35 |= 0x08; + ivideo->currentvbflags |= TV_PALN; + } + } else { + cr31 &= ~0x01; cr35 &= ~0x01; + ivideo->currentvbflags |= TV_NTSC; + if(ivideo->vbflags & TV_NTSCJ) { + cr38 |= 0x40; cr35 |= 0x02; + ivideo->currentvbflags |= TV_NTSCJ; + } + } + } + break; + + case CRT2_LCD: + cr30 = (SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE); + cr31 |= SIS_DRIVER_MODE; + SiS_SetEnableDstn(&ivideo->SiS_Pr, ivideo->sisfb_dstn); + SiS_SetEnableFstn(&ivideo->SiS_Pr, ivideo->sisfb_fstn); + ivideo->curFSTN = ivideo->sisfb_fstn; + ivideo->curDSTN = ivideo->sisfb_dstn; + break; + + case CRT2_VGA: + cr30 = (SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE); + cr31 |= SIS_DRIVER_MODE; + if(ivideo->sisfb_nocrt2rate) { + cr33 |= (sisbios_mode[ivideo->sisfb_mode_idx].rate_idx << 4); + } else { + cr33 |= ((ivideo->rate_idx & 0x0F) << 4); + } + break; + + default: /* disable CRT2 */ + cr30 = 0x00; + cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE); + } + + SiS_SetReg(SISCR, 0x30, cr30); + SiS_SetReg(SISCR, 0x33, cr33); + + if(ivideo->chip >= SIS_661) { +#ifdef CONFIG_FB_SIS_315 + cr31 &= ~0x01; /* Clear PAL flag (now in CR35) */ + SiS_SetRegANDOR(SISCR, 0x35, ~0x10, cr35); /* Leave overscan bit alone */ + cr38 &= 0x07; /* Use only LCDA and HiVision/YPbPr bits */ + SiS_SetRegANDOR(SISCR, 0x38, 0xf8, cr38); +#endif + } else if(ivideo->chip != SIS_300) { + SiS_SetReg(SISCR, tvregnum, cr38); + } + SiS_SetReg(SISCR, 0x31, cr31); + + ivideo->SiS_Pr.SiS_UseOEM = ivideo->sisfb_useoem; + + sisfb_check_engine_and_sync(ivideo); +} + +/* Fix SR11 for 661 and later */ +#ifdef CONFIG_FB_SIS_315 +static void +sisfb_fixup_SR11(struct sis_video_info *ivideo) +{ + u8 tmpreg; + + if(ivideo->chip >= SIS_661) { + tmpreg = SiS_GetReg(SISSR, 0x11); + if(tmpreg & 0x20) { + tmpreg = SiS_GetReg(SISSR, 0x3e); + tmpreg = (tmpreg + 1) & 0xff; + SiS_SetReg(SISSR, 0x3e, tmpreg); + tmpreg = SiS_GetReg(SISSR, 0x11); + } + if(tmpreg & 0xf0) { + SiS_SetRegAND(SISSR, 0x11, 0x0f); + } + } +} +#endif + +static void +sisfb_set_TVxposoffset(struct sis_video_info *ivideo, int val) +{ + if(val > 32) val = 32; + if(val < -32) val = -32; + ivideo->tvxpos = val; + + if(ivideo->sisfblocked) return; + if(!ivideo->modechanged) return; + + if(ivideo->currentvbflags & CRT2_TV) { + + if(ivideo->vbflags2 & VB2_CHRONTEL) { + + int x = ivideo->tvx; + + switch(ivideo->chronteltype) { + case 1: + x += val; + if(x < 0) x = 0; + SiS_SetReg(SISSR, 0x05, 0x86); + SiS_SetCH700x(&ivideo->SiS_Pr, 0x0a, (x & 0xff)); + SiS_SetCH70xxANDOR(&ivideo->SiS_Pr, 0x08, ((x & 0x0100) >> 7), 0xFD); + break; + case 2: + /* Not supported by hardware */ + break; + } + + } else if(ivideo->vbflags2 & VB2_SISBRIDGE) { + + u8 p2_1f,p2_20,p2_2b,p2_42,p2_43; + unsigned short temp; + + p2_1f = ivideo->p2_1f; + p2_20 = ivideo->p2_20; + p2_2b = ivideo->p2_2b; + p2_42 = ivideo->p2_42; + p2_43 = ivideo->p2_43; + + temp = p2_1f | ((p2_20 & 0xf0) << 4); + temp += (val * 2); + p2_1f = temp & 0xff; + p2_20 = (temp & 0xf00) >> 4; + p2_2b = ((p2_2b & 0x0f) + (val * 2)) & 0x0f; + temp = p2_43 | ((p2_42 & 0xf0) << 4); + temp += (val * 2); + p2_43 = temp & 0xff; + p2_42 = (temp & 0xf00) >> 4; + SiS_SetReg(SISPART2, 0x1f, p2_1f); + SiS_SetRegANDOR(SISPART2, 0x20, 0x0F, p2_20); + SiS_SetRegANDOR(SISPART2, 0x2b, 0xF0, p2_2b); + SiS_SetRegANDOR(SISPART2, 0x42, 0x0F, p2_42); + SiS_SetReg(SISPART2, 0x43, p2_43); + } + } +} + +static void +sisfb_set_TVyposoffset(struct sis_video_info *ivideo, int val) +{ + if(val > 32) val = 32; + if(val < -32) val = -32; + ivideo->tvypos = val; + + if(ivideo->sisfblocked) return; + if(!ivideo->modechanged) return; + + if(ivideo->currentvbflags & CRT2_TV) { + + if(ivideo->vbflags2 & VB2_CHRONTEL) { + + int y = ivideo->tvy; + + switch(ivideo->chronteltype) { + case 1: + y -= val; + if(y < 0) y = 0; + SiS_SetReg(SISSR, 0x05, 0x86); + SiS_SetCH700x(&ivideo->SiS_Pr, 0x0b, (y & 0xff)); + SiS_SetCH70xxANDOR(&ivideo->SiS_Pr, 0x08, ((y & 0x0100) >> 8), 0xFE); + break; + case 2: + /* Not supported by hardware */ + break; + } + + } else if(ivideo->vbflags2 & VB2_SISBRIDGE) { + + char p2_01, p2_02; + val /= 2; + p2_01 = ivideo->p2_01; + p2_02 = ivideo->p2_02; + + p2_01 += val; + p2_02 += val; + if(!(ivideo->currentvbflags & (TV_HIVISION | TV_YPBPR))) { + while((p2_01 <= 0) || (p2_02 <= 0)) { + p2_01 += 2; + p2_02 += 2; + } + } + SiS_SetReg(SISPART2, 0x01, p2_01); + SiS_SetReg(SISPART2, 0x02, p2_02); + } + } +} + +static void +sisfb_post_setmode(struct sis_video_info *ivideo) +{ + bool crt1isoff = false; + bool doit = true; +#if defined(CONFIG_FB_SIS_300) || defined(CONFIG_FB_SIS_315) + u8 reg; +#endif +#ifdef CONFIG_FB_SIS_315 + u8 reg1; +#endif + + SiS_SetReg(SISSR, 0x05, 0x86); + +#ifdef CONFIG_FB_SIS_315 + sisfb_fixup_SR11(ivideo); +#endif + + /* Now we actually HAVE changed the display mode */ + ivideo->modechanged = 1; + + /* We can't switch off CRT1 if bridge is in slave mode */ + if(ivideo->vbflags2 & VB2_VIDEOBRIDGE) { + if(sisfb_bridgeisslave(ivideo)) doit = false; + } else + ivideo->sisfb_crt1off = 0; + +#ifdef CONFIG_FB_SIS_300 + if(ivideo->sisvga_engine == SIS_300_VGA) { + if((ivideo->sisfb_crt1off) && (doit)) { + crt1isoff = true; + reg = 0x00; + } else { + crt1isoff = false; + reg = 0x80; + } + SiS_SetRegANDOR(SISCR, 0x17, 0x7f, reg); + } +#endif +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + if((ivideo->sisfb_crt1off) && (doit)) { + crt1isoff = true; + reg = 0x40; + reg1 = 0xc0; + } else { + crt1isoff = false; + reg = 0x00; + reg1 = 0x00; + } + SiS_SetRegANDOR(SISCR, ivideo->SiS_Pr.SiS_MyCR63, ~0x40, reg); + SiS_SetRegANDOR(SISSR, 0x1f, 0x3f, reg1); + } +#endif + + if(crt1isoff) { + ivideo->currentvbflags &= ~VB_DISPTYPE_CRT1; + ivideo->currentvbflags |= VB_SINGLE_MODE; + } else { + ivideo->currentvbflags |= VB_DISPTYPE_CRT1; + if(ivideo->currentvbflags & VB_DISPTYPE_CRT2) { + ivideo->currentvbflags |= VB_MIRROR_MODE; + } else { + ivideo->currentvbflags |= VB_SINGLE_MODE; + } + } + + SiS_SetRegAND(SISSR, IND_SIS_RAMDAC_CONTROL, ~0x04); + + if(ivideo->currentvbflags & CRT2_TV) { + if(ivideo->vbflags2 & VB2_SISBRIDGE) { + ivideo->p2_1f = SiS_GetReg(SISPART2, 0x1f); + ivideo->p2_20 = SiS_GetReg(SISPART2, 0x20); + ivideo->p2_2b = SiS_GetReg(SISPART2, 0x2b); + ivideo->p2_42 = SiS_GetReg(SISPART2, 0x42); + ivideo->p2_43 = SiS_GetReg(SISPART2, 0x43); + ivideo->p2_01 = SiS_GetReg(SISPART2, 0x01); + ivideo->p2_02 = SiS_GetReg(SISPART2, 0x02); + } else if(ivideo->vbflags2 & VB2_CHRONTEL) { + if(ivideo->chronteltype == 1) { + ivideo->tvx = SiS_GetCH700x(&ivideo->SiS_Pr, 0x0a); + ivideo->tvx |= (((SiS_GetCH700x(&ivideo->SiS_Pr, 0x08) & 0x02) >> 1) << 8); + ivideo->tvy = SiS_GetCH700x(&ivideo->SiS_Pr, 0x0b); + ivideo->tvy |= ((SiS_GetCH700x(&ivideo->SiS_Pr, 0x08) & 0x01) << 8); + } + } + } + + if(ivideo->tvxpos) { + sisfb_set_TVxposoffset(ivideo, ivideo->tvxpos); + } + if(ivideo->tvypos) { + sisfb_set_TVyposoffset(ivideo, ivideo->tvypos); + } + + /* Eventually sync engines */ + sisfb_check_engine_and_sync(ivideo); + + /* (Re-)Initialize chip engines */ + if(ivideo->accel) { + sisfb_engine_init(ivideo); + } else { + ivideo->engineok = 0; + } +} + +static int +sisfb_reset_mode(struct sis_video_info *ivideo) +{ + if(sisfb_set_mode(ivideo, 0)) + return 1; + + sisfb_set_pitch(ivideo); + sisfb_set_base_CRT1(ivideo, ivideo->current_base); + sisfb_set_base_CRT2(ivideo, ivideo->current_base); + + return 0; +} + +static void +sisfb_handle_command(struct sis_video_info *ivideo, struct sisfb_cmd *sisfb_command) +{ + int mycrt1off; + + switch(sisfb_command->sisfb_cmd) { + case SISFB_CMD_GETVBFLAGS: + if(!ivideo->modechanged) { + sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_EARLY; + } else { + sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_OK; + sisfb_command->sisfb_result[1] = ivideo->currentvbflags; + sisfb_command->sisfb_result[2] = ivideo->vbflags2; + } + break; + case SISFB_CMD_SWITCHCRT1: + /* arg[0]: 0 = off, 1 = on, 99 = query */ + if(!ivideo->modechanged) { + sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_EARLY; + } else if(sisfb_command->sisfb_arg[0] == 99) { + /* Query */ + sisfb_command->sisfb_result[1] = ivideo->sisfb_crt1off ? 0 : 1; + sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_OK; + } else if(ivideo->sisfblocked) { + sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_LOCKED; + } else if((!(ivideo->currentvbflags & CRT2_ENABLE)) && + (sisfb_command->sisfb_arg[0] == 0)) { + sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_NOCRT2; + } else { + sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_OK; + mycrt1off = sisfb_command->sisfb_arg[0] ? 0 : 1; + if( ((ivideo->currentvbflags & VB_DISPTYPE_CRT1) && mycrt1off) || + ((!(ivideo->currentvbflags & VB_DISPTYPE_CRT1)) && !mycrt1off) ) { + ivideo->sisfb_crt1off = mycrt1off; + if(sisfb_reset_mode(ivideo)) { + sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_OTHER; + } + } + sisfb_command->sisfb_result[1] = ivideo->sisfb_crt1off ? 0 : 1; + } + break; + /* more to come */ + default: + sisfb_command->sisfb_result[0] = SISFB_CMD_ERR_UNKNOWN; + printk(KERN_ERR "sisfb: Unknown command 0x%x\n", + sisfb_command->sisfb_cmd); + } +} + +#ifndef MODULE +static int __init sisfb_setup(char *options) +{ + char *this_opt; + + sisfb_setdefaultparms(); + + if(!options || !(*options)) + return 0; + + while((this_opt = strsep(&options, ",")) != NULL) { + + if(!(*this_opt)) continue; + + if(!strnicmp(this_opt, "off", 3)) { + sisfb_off = 1; + } else if(!strnicmp(this_opt, "forcecrt2type:", 14)) { + /* Need to check crt2 type first for fstn/dstn */ + sisfb_search_crt2type(this_opt + 14); + } else if(!strnicmp(this_opt, "tvmode:",7)) { + sisfb_search_tvstd(this_opt + 7); + } else if(!strnicmp(this_opt, "tvstandard:",11)) { + sisfb_search_tvstd(this_opt + 11); + } else if(!strnicmp(this_opt, "mode:", 5)) { + sisfb_search_mode(this_opt + 5, false); + } else if(!strnicmp(this_opt, "vesa:", 5)) { + sisfb_search_vesamode(simple_strtoul(this_opt + 5, NULL, 0), false); + } else if(!strnicmp(this_opt, "rate:", 5)) { + sisfb_parm_rate = simple_strtoul(this_opt + 5, NULL, 0); + } else if(!strnicmp(this_opt, "forcecrt1:", 10)) { + sisfb_forcecrt1 = (int)simple_strtoul(this_opt + 10, NULL, 0); + } else if(!strnicmp(this_opt, "mem:",4)) { + sisfb_parm_mem = simple_strtoul(this_opt + 4, NULL, 0); + } else if(!strnicmp(this_opt, "pdc:", 4)) { + sisfb_pdc = simple_strtoul(this_opt + 4, NULL, 0); + } else if(!strnicmp(this_opt, "pdc1:", 5)) { + sisfb_pdca = simple_strtoul(this_opt + 5, NULL, 0); + } else if(!strnicmp(this_opt, "noaccel", 7)) { + sisfb_accel = 0; + } else if(!strnicmp(this_opt, "accel", 5)) { + sisfb_accel = -1; + } else if(!strnicmp(this_opt, "noypan", 6)) { + sisfb_ypan = 0; + } else if(!strnicmp(this_opt, "ypan", 4)) { + sisfb_ypan = -1; + } else if(!strnicmp(this_opt, "nomax", 5)) { + sisfb_max = 0; + } else if(!strnicmp(this_opt, "max", 3)) { + sisfb_max = -1; + } else if(!strnicmp(this_opt, "userom:", 7)) { + sisfb_userom = (int)simple_strtoul(this_opt + 7, NULL, 0); + } else if(!strnicmp(this_opt, "useoem:", 7)) { + sisfb_useoem = (int)simple_strtoul(this_opt + 7, NULL, 0); + } else if(!strnicmp(this_opt, "nocrt2rate", 10)) { + sisfb_nocrt2rate = 1; + } else if(!strnicmp(this_opt, "scalelcd:", 9)) { + unsigned long temp = 2; + temp = simple_strtoul(this_opt + 9, NULL, 0); + if((temp == 0) || (temp == 1)) { + sisfb_scalelcd = temp ^ 1; + } + } else if(!strnicmp(this_opt, "tvxposoffset:", 13)) { + int temp = 0; + temp = (int)simple_strtol(this_opt + 13, NULL, 0); + if((temp >= -32) && (temp <= 32)) { + sisfb_tvxposoffset = temp; + } + } else if(!strnicmp(this_opt, "tvyposoffset:", 13)) { + int temp = 0; + temp = (int)simple_strtol(this_opt + 13, NULL, 0); + if((temp >= -32) && (temp <= 32)) { + sisfb_tvyposoffset = temp; + } + } else if(!strnicmp(this_opt, "specialtiming:", 14)) { + sisfb_search_specialtiming(this_opt + 14); + } else if(!strnicmp(this_opt, "lvdshl:", 7)) { + int temp = 4; + temp = simple_strtoul(this_opt + 7, NULL, 0); + if((temp >= 0) && (temp <= 3)) { + sisfb_lvdshl = temp; + } + } else if(this_opt[0] >= '0' && this_opt[0] <= '9') { + sisfb_search_mode(this_opt, true); +#if !defined(__i386__) && !defined(__x86_64__) + } else if(!strnicmp(this_opt, "resetcard", 9)) { + sisfb_resetcard = 1; + } else if(!strnicmp(this_opt, "videoram:", 9)) { + sisfb_videoram = simple_strtoul(this_opt + 9, NULL, 0); +#endif + } else { + printk(KERN_INFO "sisfb: Invalid option %s\n", this_opt); + } + + } + + return 0; +} +#endif + +static int sisfb_check_rom(void __iomem *rom_base, + struct sis_video_info *ivideo) +{ + void __iomem *rom; + int romptr; + + if((readb(rom_base) != 0x55) || (readb(rom_base + 1) != 0xaa)) + return 0; + + romptr = (readb(rom_base + 0x18) | (readb(rom_base + 0x19) << 8)); + if(romptr > (0x10000 - 8)) + return 0; + + rom = rom_base + romptr; + + if((readb(rom) != 'P') || (readb(rom + 1) != 'C') || + (readb(rom + 2) != 'I') || (readb(rom + 3) != 'R')) + return 0; + + if((readb(rom + 4) | (readb(rom + 5) << 8)) != ivideo->chip_vendor) + return 0; + + if((readb(rom + 6) | (readb(rom + 7) << 8)) != ivideo->chip_id) + return 0; + + return 1; +} + +static unsigned char *sisfb_find_rom(struct pci_dev *pdev) +{ + struct sis_video_info *ivideo = pci_get_drvdata(pdev); + void __iomem *rom_base; + unsigned char *myrombase = NULL; + size_t romsize; + + /* First, try the official pci ROM functions (except + * on integrated chipsets which have no ROM). + */ + + if(!ivideo->nbridge) { + + if((rom_base = pci_map_rom(pdev, &romsize))) { + + if(sisfb_check_rom(rom_base, ivideo)) { + + if((myrombase = vmalloc(65536))) { + memcpy_fromio(myrombase, rom_base, + (romsize > 65536) ? 65536 : romsize); + } + } + pci_unmap_rom(pdev, rom_base); + } + } + + if(myrombase) return myrombase; + + /* Otherwise do it the conventional way. */ + +#if defined(__i386__) || defined(__x86_64__) + { + u32 temp; + + for (temp = 0x000c0000; temp < 0x000f0000; temp += 0x00001000) { + + rom_base = ioremap(temp, 65536); + if (!rom_base) + continue; + + if (!sisfb_check_rom(rom_base, ivideo)) { + iounmap(rom_base); + continue; + } + + if ((myrombase = vmalloc(65536))) + memcpy_fromio(myrombase, rom_base, 65536); + + iounmap(rom_base); + break; + + } + + } +#endif + + return myrombase; +} + +static void sisfb_post_map_vram(struct sis_video_info *ivideo, + unsigned int *mapsize, unsigned int min) +{ + if (*mapsize < (min << 20)) + return; + + ivideo->video_vbase = ioremap(ivideo->video_base, (*mapsize)); + + if(!ivideo->video_vbase) { + printk(KERN_ERR + "sisfb: Unable to map maximum video RAM for size detection\n"); + (*mapsize) >>= 1; + while((!(ivideo->video_vbase = ioremap(ivideo->video_base, (*mapsize))))) { + (*mapsize) >>= 1; + if((*mapsize) < (min << 20)) + break; + } + if(ivideo->video_vbase) { + printk(KERN_ERR + "sisfb: Video RAM size detection limited to %dMB\n", + (int)((*mapsize) >> 20)); + } + } +} + +#ifdef CONFIG_FB_SIS_300 +static int sisfb_post_300_buswidth(struct sis_video_info *ivideo) +{ + void __iomem *FBAddress = ivideo->video_vbase; + unsigned short temp; + unsigned char reg; + int i, j; + + SiS_SetRegAND(SISSR, 0x15, 0xFB); + SiS_SetRegOR(SISSR, 0x15, 0x04); + SiS_SetReg(SISSR, 0x13, 0x00); + SiS_SetReg(SISSR, 0x14, 0xBF); + + for(i = 0; i < 2; i++) { + temp = 0x1234; + for(j = 0; j < 4; j++) { + writew(temp, FBAddress); + if(readw(FBAddress) == temp) + break; + SiS_SetRegOR(SISSR, 0x3c, 0x01); + reg = SiS_GetReg(SISSR, 0x05); + reg = SiS_GetReg(SISSR, 0x05); + SiS_SetRegAND(SISSR, 0x3c, 0xfe); + reg = SiS_GetReg(SISSR, 0x05); + reg = SiS_GetReg(SISSR, 0x05); + temp++; + } + } + + writel(0x01234567L, FBAddress); + writel(0x456789ABL, (FBAddress + 4)); + writel(0x89ABCDEFL, (FBAddress + 8)); + writel(0xCDEF0123L, (FBAddress + 12)); + + reg = SiS_GetReg(SISSR, 0x3b); + if(reg & 0x01) { + if(readl((FBAddress + 12)) == 0xCDEF0123L) + return 4; /* Channel A 128bit */ + } + + if(readl((FBAddress + 4)) == 0x456789ABL) + return 2; /* Channel B 64bit */ + + return 1; /* 32bit */ +} + +static const unsigned short SiS_DRAMType[17][5] = { + {0x0C,0x0A,0x02,0x40,0x39}, + {0x0D,0x0A,0x01,0x40,0x48}, + {0x0C,0x09,0x02,0x20,0x35}, + {0x0D,0x09,0x01,0x20,0x44}, + {0x0C,0x08,0x02,0x10,0x31}, + {0x0D,0x08,0x01,0x10,0x40}, + {0x0C,0x0A,0x01,0x20,0x34}, + {0x0C,0x09,0x01,0x08,0x32}, + {0x0B,0x08,0x02,0x08,0x21}, + {0x0C,0x08,0x01,0x08,0x30}, + {0x0A,0x08,0x02,0x04,0x11}, + {0x0B,0x0A,0x01,0x10,0x28}, + {0x09,0x08,0x02,0x02,0x01}, + {0x0B,0x09,0x01,0x08,0x24}, + {0x0B,0x08,0x01,0x04,0x20}, + {0x0A,0x08,0x01,0x02,0x10}, + {0x09,0x08,0x01,0x01,0x00} +}; + +static int sisfb_post_300_rwtest(struct sis_video_info *ivideo, int iteration, + int buswidth, int PseudoRankCapacity, + int PseudoAdrPinCount, unsigned int mapsize) +{ + void __iomem *FBAddr = ivideo->video_vbase; + unsigned short sr14; + unsigned int k, RankCapacity, PageCapacity, BankNumHigh, BankNumMid; + unsigned int PhysicalAdrOtherPage, PhysicalAdrHigh, PhysicalAdrHalfPage; + + for(k = 0; k < ARRAY_SIZE(SiS_DRAMType); k++) { + + RankCapacity = buswidth * SiS_DRAMType[k][3]; + + if(RankCapacity != PseudoRankCapacity) + continue; + + if((SiS_DRAMType[k][2] + SiS_DRAMType[k][0]) > PseudoAdrPinCount) + continue; + + BankNumHigh = RankCapacity * 16 * iteration - 1; + if(iteration == 3) { /* Rank No */ + BankNumMid = RankCapacity * 16 - 1; + } else { + BankNumMid = RankCapacity * 16 * iteration / 2 - 1; + } + + PageCapacity = (1 << SiS_DRAMType[k][1]) * buswidth * 4; + PhysicalAdrHigh = BankNumHigh; + PhysicalAdrHalfPage = (PageCapacity / 2 + PhysicalAdrHigh) % PageCapacity; + PhysicalAdrOtherPage = PageCapacity * SiS_DRAMType[k][2] + PhysicalAdrHigh; + + SiS_SetRegAND(SISSR, 0x15, 0xFB); /* Test */ + SiS_SetRegOR(SISSR, 0x15, 0x04); /* Test */ + sr14 = (SiS_DRAMType[k][3] * buswidth) - 1; + if(buswidth == 4) sr14 |= 0x80; + else if(buswidth == 2) sr14 |= 0x40; + SiS_SetReg(SISSR, 0x13, SiS_DRAMType[k][4]); + SiS_SetReg(SISSR, 0x14, sr14); + + BankNumHigh <<= 16; + BankNumMid <<= 16; + + if((BankNumHigh + PhysicalAdrHigh >= mapsize) || + (BankNumMid + PhysicalAdrHigh >= mapsize) || + (BankNumHigh + PhysicalAdrHalfPage >= mapsize) || + (BankNumHigh + PhysicalAdrOtherPage >= mapsize)) + continue; + + /* Write data */ + writew(((unsigned short)PhysicalAdrHigh), + (FBAddr + BankNumHigh + PhysicalAdrHigh)); + writew(((unsigned short)BankNumMid), + (FBAddr + BankNumMid + PhysicalAdrHigh)); + writew(((unsigned short)PhysicalAdrHalfPage), + (FBAddr + BankNumHigh + PhysicalAdrHalfPage)); + writew(((unsigned short)PhysicalAdrOtherPage), + (FBAddr + BankNumHigh + PhysicalAdrOtherPage)); + + /* Read data */ + if(readw(FBAddr + BankNumHigh + PhysicalAdrHigh) == PhysicalAdrHigh) + return 1; + } + + return 0; +} + +static void sisfb_post_300_ramsize(struct pci_dev *pdev, unsigned int mapsize) +{ + struct sis_video_info *ivideo = pci_get_drvdata(pdev); + int i, j, buswidth; + int PseudoRankCapacity, PseudoAdrPinCount; + + buswidth = sisfb_post_300_buswidth(ivideo); + + for(i = 6; i >= 0; i--) { + PseudoRankCapacity = 1 << i; + for(j = 4; j >= 1; j--) { + PseudoAdrPinCount = 15 - j; + if((PseudoRankCapacity * j) <= 64) { + if(sisfb_post_300_rwtest(ivideo, + j, + buswidth, + PseudoRankCapacity, + PseudoAdrPinCount, + mapsize)) + return; + } + } + } +} + +static void sisfb_post_sis300(struct pci_dev *pdev) +{ + struct sis_video_info *ivideo = pci_get_drvdata(pdev); + unsigned char *bios = ivideo->SiS_Pr.VirtualRomBase; + u8 reg, v1, v2, v3, v4, v5, v6, v7, v8; + u16 index, rindex, memtype = 0; + unsigned int mapsize; + + if(!ivideo->SiS_Pr.UseROM) + bios = NULL; + + SiS_SetReg(SISSR, 0x05, 0x86); + + if(bios) { + if(bios[0x52] & 0x80) { + memtype = bios[0x52]; + } else { + memtype = SiS_GetReg(SISSR, 0x3a); + } + memtype &= 0x07; + } + + v3 = 0x80; v6 = 0x80; + if(ivideo->revision_id <= 0x13) { + v1 = 0x44; v2 = 0x42; + v4 = 0x44; v5 = 0x42; + } else { + v1 = 0x68; v2 = 0x43; /* Assume 125Mhz MCLK */ + v4 = 0x68; v5 = 0x43; /* Assume 125Mhz ECLK */ + if(bios) { + index = memtype * 5; + rindex = index + 0x54; + v1 = bios[rindex++]; + v2 = bios[rindex++]; + v3 = bios[rindex++]; + rindex = index + 0x7c; + v4 = bios[rindex++]; + v5 = bios[rindex++]; + v6 = bios[rindex++]; + } + } + SiS_SetReg(SISSR, 0x28, v1); + SiS_SetReg(SISSR, 0x29, v2); + SiS_SetReg(SISSR, 0x2a, v3); + SiS_SetReg(SISSR, 0x2e, v4); + SiS_SetReg(SISSR, 0x2f, v5); + SiS_SetReg(SISSR, 0x30, v6); + + v1 = 0x10; + if(bios) + v1 = bios[0xa4]; + SiS_SetReg(SISSR, 0x07, v1); /* DAC speed */ + + SiS_SetReg(SISSR, 0x11, 0x0f); /* DDC, power save */ + + v1 = 0x01; v2 = 0x43; v3 = 0x1e; v4 = 0x2a; + v5 = 0x06; v6 = 0x00; v7 = 0x00; v8 = 0x00; + if(bios) { + memtype += 0xa5; + v1 = bios[memtype]; + v2 = bios[memtype + 8]; + v3 = bios[memtype + 16]; + v4 = bios[memtype + 24]; + v5 = bios[memtype + 32]; + v6 = bios[memtype + 40]; + v7 = bios[memtype + 48]; + v8 = bios[memtype + 56]; + } + if(ivideo->revision_id >= 0x80) + v3 &= 0xfd; + SiS_SetReg(SISSR, 0x15, v1); /* Ram type (assuming 0, BIOS 0xa5 step 8) */ + SiS_SetReg(SISSR, 0x16, v2); + SiS_SetReg(SISSR, 0x17, v3); + SiS_SetReg(SISSR, 0x18, v4); + SiS_SetReg(SISSR, 0x19, v5); + SiS_SetReg(SISSR, 0x1a, v6); + SiS_SetReg(SISSR, 0x1b, v7); + SiS_SetReg(SISSR, 0x1c, v8); /* ---- */ + SiS_SetRegAND(SISSR, 0x15, 0xfb); + SiS_SetRegOR(SISSR, 0x15, 0x04); + if(bios) { + if(bios[0x53] & 0x02) { + SiS_SetRegOR(SISSR, 0x19, 0x20); + } + } + v1 = 0x04; /* DAC pedestal (BIOS 0xe5) */ + if(ivideo->revision_id >= 0x80) + v1 |= 0x01; + SiS_SetReg(SISSR, 0x1f, v1); + SiS_SetReg(SISSR, 0x20, 0xa4); /* linear & relocated io & disable a0000 */ + v1 = 0xf6; v2 = 0x0d; v3 = 0x00; + if(bios) { + v1 = bios[0xe8]; + v2 = bios[0xe9]; + v3 = bios[0xea]; + } + SiS_SetReg(SISSR, 0x23, v1); + SiS_SetReg(SISSR, 0x24, v2); + SiS_SetReg(SISSR, 0x25, v3); + SiS_SetReg(SISSR, 0x21, 0x84); + SiS_SetReg(SISSR, 0x22, 0x00); + SiS_SetReg(SISCR, 0x37, 0x00); + SiS_SetRegOR(SISPART1, 0x24, 0x01); /* unlock crt2 */ + SiS_SetReg(SISPART1, 0x00, 0x00); + v1 = 0x40; v2 = 0x11; + if(bios) { + v1 = bios[0xec]; + v2 = bios[0xeb]; + } + SiS_SetReg(SISPART1, 0x02, v1); + + if(ivideo->revision_id >= 0x80) + v2 &= ~0x01; + + reg = SiS_GetReg(SISPART4, 0x00); + if((reg == 1) || (reg == 2)) { + SiS_SetReg(SISCR, 0x37, 0x02); + SiS_SetReg(SISPART2, 0x00, 0x1c); + v4 = 0x00; v5 = 0x00; v6 = 0x10; + if(ivideo->SiS_Pr.UseROM) { + v4 = bios[0xf5]; + v5 = bios[0xf6]; + v6 = bios[0xf7]; + } + SiS_SetReg(SISPART4, 0x0d, v4); + SiS_SetReg(SISPART4, 0x0e, v5); + SiS_SetReg(SISPART4, 0x10, v6); + SiS_SetReg(SISPART4, 0x0f, 0x3f); + reg = SiS_GetReg(SISPART4, 0x01); + if(reg >= 0xb0) { + reg = SiS_GetReg(SISPART4, 0x23); + reg &= 0x20; + reg <<= 1; + SiS_SetReg(SISPART4, 0x23, reg); + } + } else { + v2 &= ~0x10; + } + SiS_SetReg(SISSR, 0x32, v2); + + SiS_SetRegAND(SISPART1, 0x24, 0xfe); /* Lock CRT2 */ + + reg = SiS_GetReg(SISSR, 0x16); + reg &= 0xc3; + SiS_SetReg(SISCR, 0x35, reg); + SiS_SetReg(SISCR, 0x83, 0x00); +#if !defined(__i386__) && !defined(__x86_64__) + if(sisfb_videoram) { + SiS_SetReg(SISSR, 0x13, 0x28); /* ? */ + reg = ((sisfb_videoram >> 10) - 1) | 0x40; + SiS_SetReg(SISSR, 0x14, reg); + } else { +#endif + /* Need to map max FB size for finding out about RAM size */ + mapsize = ivideo->video_size; + sisfb_post_map_vram(ivideo, &mapsize, 4); + + if(ivideo->video_vbase) { + sisfb_post_300_ramsize(pdev, mapsize); + iounmap(ivideo->video_vbase); + } else { + printk(KERN_DEBUG + "sisfb: Failed to map memory for size detection, assuming 8MB\n"); + SiS_SetReg(SISSR, 0x13, 0x28); /* ? */ + SiS_SetReg(SISSR, 0x14, 0x47); /* 8MB, 64bit default */ + } +#if !defined(__i386__) && !defined(__x86_64__) + } +#endif + if(bios) { + v1 = bios[0xe6]; + v2 = bios[0xe7]; + } else { + reg = SiS_GetReg(SISSR, 0x3a); + if((reg & 0x30) == 0x30) { + v1 = 0x04; /* PCI */ + v2 = 0x92; + } else { + v1 = 0x14; /* AGP */ + v2 = 0xb2; + } + } + SiS_SetReg(SISSR, 0x21, v1); + SiS_SetReg(SISSR, 0x22, v2); + + /* Sense CRT1 */ + sisfb_sense_crt1(ivideo); + + /* Set default mode, don't clear screen */ + ivideo->SiS_Pr.SiS_UseOEM = false; + SiS_SetEnableDstn(&ivideo->SiS_Pr, false); + SiS_SetEnableFstn(&ivideo->SiS_Pr, false); + ivideo->curFSTN = ivideo->curDSTN = 0; + ivideo->SiS_Pr.VideoMemorySize = 8 << 20; + SiSSetMode(&ivideo->SiS_Pr, 0x2e | 0x80); + + SiS_SetReg(SISSR, 0x05, 0x86); + + /* Display off */ + SiS_SetRegOR(SISSR, 0x01, 0x20); + + /* Save mode number in CR34 */ + SiS_SetReg(SISCR, 0x34, 0x2e); + + /* Let everyone know what the current mode is */ + ivideo->modeprechange = 0x2e; +} +#endif + +#ifdef CONFIG_FB_SIS_315 +#if 0 +static void sisfb_post_sis315330(struct pci_dev *pdev) +{ + /* TODO */ +} +#endif + +static inline int sisfb_xgi_is21(struct sis_video_info *ivideo) +{ + return ivideo->chip_real_id == XGI_21; +} + +static void sisfb_post_xgi_delay(struct sis_video_info *ivideo, int delay) +{ + unsigned int i; + u8 reg; + + for(i = 0; i <= (delay * 10 * 36); i++) { + reg = SiS_GetReg(SISSR, 0x05); + reg++; + } +} + +static int sisfb_find_host_bridge(struct sis_video_info *ivideo, + struct pci_dev *mypdev, + unsigned short pcivendor) +{ + struct pci_dev *pdev = NULL; + unsigned short temp; + int ret = 0; + + while((pdev = pci_get_class(PCI_CLASS_BRIDGE_HOST, pdev))) { + temp = pdev->vendor; + if(temp == pcivendor) { + ret = 1; + pci_dev_put(pdev); + break; + } + } + + return ret; +} + +static int sisfb_post_xgi_rwtest(struct sis_video_info *ivideo, int starta, + unsigned int enda, unsigned int mapsize) +{ + unsigned int pos; + int i; + + writel(0, ivideo->video_vbase); + + for(i = starta; i <= enda; i++) { + pos = 1 << i; + if(pos < mapsize) + writel(pos, ivideo->video_vbase + pos); + } + + sisfb_post_xgi_delay(ivideo, 150); + + if(readl(ivideo->video_vbase) != 0) + return 0; + + for(i = starta; i <= enda; i++) { + pos = 1 << i; + if(pos < mapsize) { + if(readl(ivideo->video_vbase + pos) != pos) + return 0; + } else + return 0; + } + + return 1; +} + +static int sisfb_post_xgi_ramsize(struct sis_video_info *ivideo) +{ + unsigned int buswidth, ranksize, channelab, mapsize; + int i, j, k, l, status; + u8 reg, sr14; + static const u8 dramsr13[12 * 5] = { + 0x02, 0x0e, 0x0b, 0x80, 0x5d, + 0x02, 0x0e, 0x0a, 0x40, 0x59, + 0x02, 0x0d, 0x0b, 0x40, 0x4d, + 0x02, 0x0e, 0x09, 0x20, 0x55, + 0x02, 0x0d, 0x0a, 0x20, 0x49, + 0x02, 0x0c, 0x0b, 0x20, 0x3d, + 0x02, 0x0e, 0x08, 0x10, 0x51, + 0x02, 0x0d, 0x09, 0x10, 0x45, + 0x02, 0x0c, 0x0a, 0x10, 0x39, + 0x02, 0x0d, 0x08, 0x08, 0x41, + 0x02, 0x0c, 0x09, 0x08, 0x35, + 0x02, 0x0c, 0x08, 0x04, 0x31 + }; + static const u8 dramsr13_4[4 * 5] = { + 0x02, 0x0d, 0x09, 0x40, 0x45, + 0x02, 0x0c, 0x09, 0x20, 0x35, + 0x02, 0x0c, 0x08, 0x10, 0x31, + 0x02, 0x0b, 0x08, 0x08, 0x21 + }; + + /* Enable linear mode, disable 0xa0000 address decoding */ + /* We disable a0000 address decoding, because + * - if running on x86, if the card is disabled, it means + * that another card is in the system. We don't want + * to interphere with that primary card's textmode. + * - if running on non-x86, there usually is no VGA window + * at a0000. + */ + SiS_SetRegOR(SISSR, 0x20, (0x80 | 0x04)); + + /* Need to map max FB size for finding out about RAM size */ + mapsize = ivideo->video_size; + sisfb_post_map_vram(ivideo, &mapsize, 32); + + if(!ivideo->video_vbase) { + printk(KERN_ERR "sisfb: Unable to detect RAM size. Setting default.\n"); + SiS_SetReg(SISSR, 0x13, 0x35); + SiS_SetReg(SISSR, 0x14, 0x41); + /* TODO */ + return -ENOMEM; + } + + /* Non-interleaving */ + SiS_SetReg(SISSR, 0x15, 0x00); + /* No tiling */ + SiS_SetReg(SISSR, 0x1c, 0x00); + + if(ivideo->chip == XGI_20) { + + channelab = 1; + reg = SiS_GetReg(SISCR, 0x97); + if(!(reg & 0x01)) { /* Single 32/16 */ + buswidth = 32; + SiS_SetReg(SISSR, 0x13, 0xb1); + SiS_SetReg(SISSR, 0x14, 0x52); + sisfb_post_xgi_delay(ivideo, 1); + sr14 = 0x02; + if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize)) + goto bail_out; + + SiS_SetReg(SISSR, 0x13, 0x31); + SiS_SetReg(SISSR, 0x14, 0x42); + sisfb_post_xgi_delay(ivideo, 1); + if(sisfb_post_xgi_rwtest(ivideo, 23, 23, mapsize)) + goto bail_out; + + buswidth = 16; + SiS_SetReg(SISSR, 0x13, 0xb1); + SiS_SetReg(SISSR, 0x14, 0x41); + sisfb_post_xgi_delay(ivideo, 1); + sr14 = 0x01; + if(sisfb_post_xgi_rwtest(ivideo, 22, 23, mapsize)) + goto bail_out; + else + SiS_SetReg(SISSR, 0x13, 0x31); + } else { /* Dual 16/8 */ + buswidth = 16; + SiS_SetReg(SISSR, 0x13, 0xb1); + SiS_SetReg(SISSR, 0x14, 0x41); + sisfb_post_xgi_delay(ivideo, 1); + sr14 = 0x01; + if(sisfb_post_xgi_rwtest(ivideo, 22, 23, mapsize)) + goto bail_out; + + SiS_SetReg(SISSR, 0x13, 0x31); + SiS_SetReg(SISSR, 0x14, 0x31); + sisfb_post_xgi_delay(ivideo, 1); + if(sisfb_post_xgi_rwtest(ivideo, 22, 22, mapsize)) + goto bail_out; + + buswidth = 8; + SiS_SetReg(SISSR, 0x13, 0xb1); + SiS_SetReg(SISSR, 0x14, 0x30); + sisfb_post_xgi_delay(ivideo, 1); + sr14 = 0x00; + if(sisfb_post_xgi_rwtest(ivideo, 21, 22, mapsize)) + goto bail_out; + else + SiS_SetReg(SISSR, 0x13, 0x31); + } + + } else { /* XGI_40 */ + + reg = SiS_GetReg(SISCR, 0x97); + if(!(reg & 0x10)) { + reg = SiS_GetReg(SISSR, 0x39); + reg >>= 1; + } + + if(reg & 0x01) { /* DDRII */ + buswidth = 32; + if(ivideo->revision_id == 2) { + channelab = 2; + SiS_SetReg(SISSR, 0x13, 0xa1); + SiS_SetReg(SISSR, 0x14, 0x44); + sr14 = 0x04; + sisfb_post_xgi_delay(ivideo, 1); + if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize)) + goto bail_out; + + SiS_SetReg(SISSR, 0x13, 0x21); + SiS_SetReg(SISSR, 0x14, 0x34); + if(sisfb_post_xgi_rwtest(ivideo, 22, 23, mapsize)) + goto bail_out; + + channelab = 1; + SiS_SetReg(SISSR, 0x13, 0xa1); + SiS_SetReg(SISSR, 0x14, 0x40); + sr14 = 0x00; + if(sisfb_post_xgi_rwtest(ivideo, 22, 23, mapsize)) + goto bail_out; + + SiS_SetReg(SISSR, 0x13, 0x21); + SiS_SetReg(SISSR, 0x14, 0x30); + } else { + channelab = 3; + SiS_SetReg(SISSR, 0x13, 0xa1); + SiS_SetReg(SISSR, 0x14, 0x4c); + sr14 = 0x0c; + sisfb_post_xgi_delay(ivideo, 1); + if(sisfb_post_xgi_rwtest(ivideo, 23, 25, mapsize)) + goto bail_out; + + channelab = 2; + SiS_SetReg(SISSR, 0x14, 0x48); + sisfb_post_xgi_delay(ivideo, 1); + sr14 = 0x08; + if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize)) + goto bail_out; + + SiS_SetReg(SISSR, 0x13, 0x21); + SiS_SetReg(SISSR, 0x14, 0x3c); + sr14 = 0x0c; + + if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize)) { + channelab = 3; + } else { + channelab = 2; + SiS_SetReg(SISSR, 0x14, 0x38); + sr14 = 0x08; + } + } + sisfb_post_xgi_delay(ivideo, 1); + + } else { /* DDR */ + + buswidth = 64; + if(ivideo->revision_id == 2) { + channelab = 1; + SiS_SetReg(SISSR, 0x13, 0xa1); + SiS_SetReg(SISSR, 0x14, 0x52); + sisfb_post_xgi_delay(ivideo, 1); + sr14 = 0x02; + if(sisfb_post_xgi_rwtest(ivideo, 23, 24, mapsize)) + goto bail_out; + + SiS_SetReg(SISSR, 0x13, 0x21); + SiS_SetReg(SISSR, 0x14, 0x42); + } else { + channelab = 2; + SiS_SetReg(SISSR, 0x13, 0xa1); + SiS_SetReg(SISSR, 0x14, 0x5a); + sisfb_post_xgi_delay(ivideo, 1); + sr14 = 0x0a; + if(sisfb_post_xgi_rwtest(ivideo, 24, 25, mapsize)) + goto bail_out; + + SiS_SetReg(SISSR, 0x13, 0x21); + SiS_SetReg(SISSR, 0x14, 0x4a); + } + sisfb_post_xgi_delay(ivideo, 1); + + } + } + +bail_out: + SiS_SetRegANDOR(SISSR, 0x14, 0xf0, sr14); + sisfb_post_xgi_delay(ivideo, 1); + + j = (ivideo->chip == XGI_20) ? 5 : 9; + k = (ivideo->chip == XGI_20) ? 12 : 4; + status = -EIO; + + for(i = 0; i < k; i++) { + + reg = (ivideo->chip == XGI_20) ? + dramsr13[(i * 5) + 4] : dramsr13_4[(i * 5) + 4]; + SiS_SetRegANDOR(SISSR, 0x13, 0x80, reg); + sisfb_post_xgi_delay(ivideo, 50); + + ranksize = (ivideo->chip == XGI_20) ? + dramsr13[(i * 5) + 3] : dramsr13_4[(i * 5) + 3]; + + reg = SiS_GetReg(SISSR, 0x13); + if(reg & 0x80) ranksize <<= 1; + + if(ivideo->chip == XGI_20) { + if(buswidth == 16) ranksize <<= 1; + else if(buswidth == 32) ranksize <<= 2; + } else { + if(buswidth == 64) ranksize <<= 1; + } + + reg = 0; + l = channelab; + if(l == 3) l = 4; + if((ranksize * l) <= 256) { + while((ranksize >>= 1)) reg += 0x10; + } + + if(!reg) continue; + + SiS_SetRegANDOR(SISSR, 0x14, 0x0f, (reg & 0xf0)); + sisfb_post_xgi_delay(ivideo, 1); + + if (sisfb_post_xgi_rwtest(ivideo, j, ((reg >> 4) + channelab - 2 + 20), mapsize)) { + status = 0; + break; + } + } + + iounmap(ivideo->video_vbase); + + return status; +} + +static void sisfb_post_xgi_setclocks(struct sis_video_info *ivideo, u8 regb) +{ + u8 v1, v2, v3; + int index; + static const u8 cs90[8 * 3] = { + 0x16, 0x01, 0x01, + 0x3e, 0x03, 0x01, + 0x7c, 0x08, 0x01, + 0x79, 0x06, 0x01, + 0x29, 0x01, 0x81, + 0x5c, 0x23, 0x01, + 0x5c, 0x23, 0x01, + 0x5c, 0x23, 0x01 + }; + static const u8 csb8[8 * 3] = { + 0x5c, 0x23, 0x01, + 0x29, 0x01, 0x01, + 0x7c, 0x08, 0x01, + 0x79, 0x06, 0x01, + 0x29, 0x01, 0x81, + 0x5c, 0x23, 0x01, + 0x5c, 0x23, 0x01, + 0x5c, 0x23, 0x01 + }; + + regb = 0; /* ! */ + + index = regb * 3; + v1 = cs90[index]; v2 = cs90[index + 1]; v3 = cs90[index + 2]; + if(ivideo->haveXGIROM) { + v1 = ivideo->bios_abase[0x90 + index]; + v2 = ivideo->bios_abase[0x90 + index + 1]; + v3 = ivideo->bios_abase[0x90 + index + 2]; + } + SiS_SetReg(SISSR, 0x28, v1); + SiS_SetReg(SISSR, 0x29, v2); + SiS_SetReg(SISSR, 0x2a, v3); + sisfb_post_xgi_delay(ivideo, 0x43); + sisfb_post_xgi_delay(ivideo, 0x43); + sisfb_post_xgi_delay(ivideo, 0x43); + index = regb * 3; + v1 = csb8[index]; v2 = csb8[index + 1]; v3 = csb8[index + 2]; + if(ivideo->haveXGIROM) { + v1 = ivideo->bios_abase[0xb8 + index]; + v2 = ivideo->bios_abase[0xb8 + index + 1]; + v3 = ivideo->bios_abase[0xb8 + index + 2]; + } + SiS_SetReg(SISSR, 0x2e, v1); + SiS_SetReg(SISSR, 0x2f, v2); + SiS_SetReg(SISSR, 0x30, v3); + sisfb_post_xgi_delay(ivideo, 0x43); + sisfb_post_xgi_delay(ivideo, 0x43); + sisfb_post_xgi_delay(ivideo, 0x43); +} + +static void sisfb_post_xgi_ddr2_mrs_default(struct sis_video_info *ivideo, + u8 regb) +{ + unsigned char *bios = ivideo->bios_abase; + u8 v1; + + SiS_SetReg(SISSR, 0x28, 0x64); + SiS_SetReg(SISSR, 0x29, 0x63); + sisfb_post_xgi_delay(ivideo, 15); + SiS_SetReg(SISSR, 0x18, 0x00); + SiS_SetReg(SISSR, 0x19, 0x20); + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + SiS_SetReg(SISSR, 0x18, 0xc5); + SiS_SetReg(SISSR, 0x19, 0x23); + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + sisfb_post_xgi_delay(ivideo, 1); + SiS_SetReg(SISCR, 0x97, 0x11); + sisfb_post_xgi_setclocks(ivideo, regb); + sisfb_post_xgi_delay(ivideo, 0x46); + SiS_SetReg(SISSR, 0x18, 0xc5); + SiS_SetReg(SISSR, 0x19, 0x23); + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + sisfb_post_xgi_delay(ivideo, 1); + SiS_SetReg(SISSR, 0x1b, 0x04); + sisfb_post_xgi_delay(ivideo, 1); + SiS_SetReg(SISSR, 0x1b, 0x00); + sisfb_post_xgi_delay(ivideo, 1); + v1 = 0x31; + if (ivideo->haveXGIROM) { + v1 = bios[0xf0]; + } + SiS_SetReg(SISSR, 0x18, v1); + SiS_SetReg(SISSR, 0x19, 0x06); + SiS_SetReg(SISSR, 0x16, 0x04); + SiS_SetReg(SISSR, 0x16, 0x84); + sisfb_post_xgi_delay(ivideo, 1); +} + +static void sisfb_post_xgi_ddr2_mrs_xg21(struct sis_video_info *ivideo) +{ + sisfb_post_xgi_setclocks(ivideo, 1); + + SiS_SetReg(SISCR, 0x97, 0x11); + sisfb_post_xgi_delay(ivideo, 0x46); + + SiS_SetReg(SISSR, 0x18, 0x00); /* EMRS2 */ + SiS_SetReg(SISSR, 0x19, 0x80); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + + SiS_SetReg(SISSR, 0x18, 0x00); /* EMRS3 */ + SiS_SetReg(SISSR, 0x19, 0xc0); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + + SiS_SetReg(SISSR, 0x18, 0x00); /* EMRS1 */ + SiS_SetReg(SISSR, 0x19, 0x40); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + + SiS_SetReg(SISSR, 0x18, 0x42); /* MRS1 */ + SiS_SetReg(SISSR, 0x19, 0x02); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + sisfb_post_xgi_delay(ivideo, 1); + + SiS_SetReg(SISSR, 0x1b, 0x04); + sisfb_post_xgi_delay(ivideo, 1); + + SiS_SetReg(SISSR, 0x1b, 0x00); + sisfb_post_xgi_delay(ivideo, 1); + + SiS_SetReg(SISSR, 0x18, 0x42); /* MRS1 */ + SiS_SetReg(SISSR, 0x19, 0x00); + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + sisfb_post_xgi_delay(ivideo, 1); +} + +static void sisfb_post_xgi_ddr2(struct sis_video_info *ivideo, u8 regb) +{ + unsigned char *bios = ivideo->bios_abase; + static const u8 cs158[8] = { + 0x88, 0xaa, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs160[8] = { + 0x44, 0x77, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs168[8] = { + 0x48, 0x78, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + u8 reg; + u8 v1; + u8 v2; + u8 v3; + + SiS_SetReg(SISCR, 0xb0, 0x80); /* DDR2 dual frequency mode */ + SiS_SetReg(SISCR, 0x82, 0x77); + SiS_SetReg(SISCR, 0x86, 0x00); + reg = SiS_GetReg(SISCR, 0x86); + SiS_SetReg(SISCR, 0x86, 0x88); + reg = SiS_GetReg(SISCR, 0x86); + v1 = cs168[regb]; v2 = cs160[regb]; v3 = cs158[regb]; + if (ivideo->haveXGIROM) { + v1 = bios[regb + 0x168]; + v2 = bios[regb + 0x160]; + v3 = bios[regb + 0x158]; + } + SiS_SetReg(SISCR, 0x86, v1); + SiS_SetReg(SISCR, 0x82, 0x77); + SiS_SetReg(SISCR, 0x85, 0x00); + reg = SiS_GetReg(SISCR, 0x85); + SiS_SetReg(SISCR, 0x85, 0x88); + reg = SiS_GetReg(SISCR, 0x85); + SiS_SetReg(SISCR, 0x85, v2); + SiS_SetReg(SISCR, 0x82, v3); + SiS_SetReg(SISCR, 0x98, 0x01); + SiS_SetReg(SISCR, 0x9a, 0x02); + if (sisfb_xgi_is21(ivideo)) + sisfb_post_xgi_ddr2_mrs_xg21(ivideo); + else + sisfb_post_xgi_ddr2_mrs_default(ivideo, regb); +} + +static u8 sisfb_post_xgi_ramtype(struct sis_video_info *ivideo) +{ + unsigned char *bios = ivideo->bios_abase; + u8 ramtype; + u8 reg; + u8 v1; + + ramtype = 0x00; v1 = 0x10; + if (ivideo->haveXGIROM) { + ramtype = bios[0x62]; + v1 = bios[0x1d2]; + } + if (!(ramtype & 0x80)) { + if (sisfb_xgi_is21(ivideo)) { + SiS_SetRegAND(SISCR, 0xb4, 0xfd); /* GPIO control */ + SiS_SetRegOR(SISCR, 0x4a, 0x80); /* GPIOH EN */ + reg = SiS_GetReg(SISCR, 0x48); + SiS_SetRegOR(SISCR, 0xb4, 0x02); + ramtype = reg & 0x01; /* GPIOH */ + } else if (ivideo->chip == XGI_20) { + SiS_SetReg(SISCR, 0x97, v1); + reg = SiS_GetReg(SISCR, 0x97); + if (reg & 0x10) { + ramtype = (reg & 0x01) << 1; + } + } else { + reg = SiS_GetReg(SISSR, 0x39); + ramtype = reg & 0x02; + if (!(ramtype)) { + reg = SiS_GetReg(SISSR, 0x3a); + ramtype = (reg >> 1) & 0x01; + } + } + } + ramtype &= 0x07; + + return ramtype; +} + +static int sisfb_post_xgi(struct pci_dev *pdev) +{ + struct sis_video_info *ivideo = pci_get_drvdata(pdev); + unsigned char *bios = ivideo->bios_abase; + struct pci_dev *mypdev = NULL; + const u8 *ptr, *ptr2; + u8 v1, v2, v3, v4, v5, reg, ramtype; + u32 rega, regb, regd; + int i, j, k, index; + static const u8 cs78[3] = { 0xf6, 0x0d, 0x00 }; + static const u8 cs76[2] = { 0xa3, 0xfb }; + static const u8 cs7b[3] = { 0xc0, 0x11, 0x00 }; + static const u8 cs158[8] = { + 0x88, 0xaa, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs160[8] = { + 0x44, 0x77, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs168[8] = { + 0x48, 0x78, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs128[3 * 8] = { + 0x90, 0x28, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x77, 0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x77, 0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs148[2 * 8] = { + 0x55, 0x55, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs31a[8 * 4] = { + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs33a[8 * 4] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs45a[8 * 2] = { + 0x00, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs170[7 * 8] = { + 0x54, 0x32, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x54, 0x43, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x0a, 0x05, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x44, 0x34, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x10, 0x0a, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x11, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x05, 0x05, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs1a8[3 * 8] = { + 0xf0, 0xf0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x05, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + static const u8 cs100[2 * 8] = { + 0xc4, 0x04, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xc4, 0x04, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + + /* VGA enable */ + reg = SiS_GetRegByte(SISVGAENABLE) | 0x01; + SiS_SetRegByte(SISVGAENABLE, reg); + + /* Misc */ + reg = SiS_GetRegByte(SISMISCR) | 0x01; + SiS_SetRegByte(SISMISCW, reg); + + /* Unlock SR */ + SiS_SetReg(SISSR, 0x05, 0x86); + reg = SiS_GetReg(SISSR, 0x05); + if(reg != 0xa1) + return 0; + + /* Clear some regs */ + for(i = 0; i < 0x22; i++) { + if(0x06 + i == 0x20) continue; + SiS_SetReg(SISSR, 0x06 + i, 0x00); + } + for(i = 0; i < 0x0b; i++) { + SiS_SetReg(SISSR, 0x31 + i, 0x00); + } + for(i = 0; i < 0x10; i++) { + SiS_SetReg(SISCR, 0x30 + i, 0x00); + } + + ptr = cs78; + if(ivideo->haveXGIROM) { + ptr = (const u8 *)&bios[0x78]; + } + for(i = 0; i < 3; i++) { + SiS_SetReg(SISSR, 0x23 + i, ptr[i]); + } + + ptr = cs76; + if(ivideo->haveXGIROM) { + ptr = (const u8 *)&bios[0x76]; + } + for(i = 0; i < 2; i++) { + SiS_SetReg(SISSR, 0x21 + i, ptr[i]); + } + + v1 = 0x18; v2 = 0x00; + if(ivideo->haveXGIROM) { + v1 = bios[0x74]; + v2 = bios[0x75]; + } + SiS_SetReg(SISSR, 0x07, v1); + SiS_SetReg(SISSR, 0x11, 0x0f); + SiS_SetReg(SISSR, 0x1f, v2); + /* PCI linear mode, RelIO enabled, A0000 decoding disabled */ + SiS_SetReg(SISSR, 0x20, 0x80 | 0x20 | 0x04); + SiS_SetReg(SISSR, 0x27, 0x74); + + ptr = cs7b; + if(ivideo->haveXGIROM) { + ptr = (const u8 *)&bios[0x7b]; + } + for(i = 0; i < 3; i++) { + SiS_SetReg(SISSR, 0x31 + i, ptr[i]); + } + + if(ivideo->chip == XGI_40) { + if(ivideo->revision_id == 2) { + SiS_SetRegANDOR(SISSR, 0x3b, 0x3f, 0xc0); + } + SiS_SetReg(SISCR, 0x7d, 0xfe); + SiS_SetReg(SISCR, 0x7e, 0x0f); + } + if(ivideo->revision_id == 0) { /* 40 *and* 20? */ + SiS_SetRegAND(SISCR, 0x58, 0xd7); + reg = SiS_GetReg(SISCR, 0xcb); + if(reg & 0x20) { + SiS_SetRegANDOR(SISCR, 0x58, 0xd7, (reg & 0x10) ? 0x08 : 0x20); /* =0x28 Z7 ? */ + } + } + + reg = (ivideo->chip == XGI_40) ? 0x20 : 0x00; + SiS_SetRegANDOR(SISCR, 0x38, 0x1f, reg); + + if(ivideo->chip == XGI_20) { + SiS_SetReg(SISSR, 0x36, 0x70); + } else { + SiS_SetReg(SISVID, 0x00, 0x86); + SiS_SetReg(SISVID, 0x32, 0x00); + SiS_SetReg(SISVID, 0x30, 0x00); + SiS_SetReg(SISVID, 0x32, 0x01); + SiS_SetReg(SISVID, 0x30, 0x00); + SiS_SetRegAND(SISVID, 0x2f, 0xdf); + SiS_SetRegAND(SISCAP, 0x00, 0x3f); + + SiS_SetReg(SISPART1, 0x2f, 0x01); + SiS_SetReg(SISPART1, 0x00, 0x00); + SiS_SetReg(SISPART1, 0x02, bios[0x7e]); + SiS_SetReg(SISPART1, 0x2e, 0x08); + SiS_SetRegAND(SISPART1, 0x35, 0x7f); + SiS_SetRegAND(SISPART1, 0x50, 0xfe); + + reg = SiS_GetReg(SISPART4, 0x00); + if(reg == 1 || reg == 2) { + SiS_SetReg(SISPART2, 0x00, 0x1c); + SiS_SetReg(SISPART4, 0x0d, bios[0x7f]); + SiS_SetReg(SISPART4, 0x0e, bios[0x80]); + SiS_SetReg(SISPART4, 0x10, bios[0x81]); + SiS_SetRegAND(SISPART4, 0x0f, 0x3f); + + reg = SiS_GetReg(SISPART4, 0x01); + if((reg & 0xf0) >= 0xb0) { + reg = SiS_GetReg(SISPART4, 0x23); + if(reg & 0x20) reg |= 0x40; + SiS_SetReg(SISPART4, 0x23, reg); + reg = (reg & 0x20) ? 0x02 : 0x00; + SiS_SetRegANDOR(SISPART1, 0x1e, 0xfd, reg); + } + } + + v1 = bios[0x77]; + + reg = SiS_GetReg(SISSR, 0x3b); + if(reg & 0x02) { + reg = SiS_GetReg(SISSR, 0x3a); + v2 = (reg & 0x30) >> 3; + if(!(v2 & 0x04)) v2 ^= 0x02; + reg = SiS_GetReg(SISSR, 0x39); + if(reg & 0x80) v2 |= 0x80; + v2 |= 0x01; + + if((mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0730, NULL))) { + pci_dev_put(mypdev); + if(((v2 & 0x06) == 2) || ((v2 & 0x06) == 4)) + v2 &= 0xf9; + v2 |= 0x08; + v1 &= 0xfe; + } else { + mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0735, NULL); + if(!mypdev) + mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0645, NULL); + if(!mypdev) + mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0650, NULL); + if(mypdev) { + pci_read_config_dword(mypdev, 0x94, ®d); + regd &= 0xfffffeff; + pci_write_config_dword(mypdev, 0x94, regd); + v1 &= 0xfe; + pci_dev_put(mypdev); + } else if(sisfb_find_host_bridge(ivideo, pdev, PCI_VENDOR_ID_SI)) { + v1 &= 0xfe; + } else if(sisfb_find_host_bridge(ivideo, pdev, 0x1106) || + sisfb_find_host_bridge(ivideo, pdev, 0x1022) || + sisfb_find_host_bridge(ivideo, pdev, 0x700e) || + sisfb_find_host_bridge(ivideo, pdev, 0x10de)) { + if((v2 & 0x06) == 4) + v2 ^= 0x06; + v2 |= 0x08; + } + } + SiS_SetRegANDOR(SISCR, 0x5f, 0xf0, v2); + } + SiS_SetReg(SISSR, 0x22, v1); + + if(ivideo->revision_id == 2) { + v1 = SiS_GetReg(SISSR, 0x3b); + v2 = SiS_GetReg(SISSR, 0x3a); + regd = bios[0x90 + 3] | (bios[0x90 + 4] << 8); + if( (!(v1 & 0x02)) && (v2 & 0x30) && (regd < 0xcf) ) + SiS_SetRegANDOR(SISCR, 0x5f, 0xf1, 0x01); + + if((mypdev = pci_get_device(0x10de, 0x01e0, NULL))) { + /* TODO: set CR5f &0xf1 | 0x01 for version 6570 + * of nforce 2 ROM + */ + if(0) + SiS_SetRegANDOR(SISCR, 0x5f, 0xf1, 0x01); + pci_dev_put(mypdev); + } + } + + v1 = 0x30; + reg = SiS_GetReg(SISSR, 0x3b); + v2 = SiS_GetReg(SISCR, 0x5f); + if((!(reg & 0x02)) && (v2 & 0x0e)) + v1 |= 0x08; + SiS_SetReg(SISSR, 0x27, v1); + + if(bios[0x64] & 0x01) { + SiS_SetRegANDOR(SISCR, 0x5f, 0xf0, bios[0x64]); + } + + v1 = bios[0x4f7]; + pci_read_config_dword(pdev, 0x50, ®d); + regd = (regd >> 20) & 0x0f; + if(regd == 1) { + v1 &= 0xfc; + SiS_SetRegOR(SISCR, 0x5f, 0x08); + } + SiS_SetReg(SISCR, 0x48, v1); + + SiS_SetRegANDOR(SISCR, 0x47, 0x04, bios[0x4f6] & 0xfb); + SiS_SetRegANDOR(SISCR, 0x49, 0xf0, bios[0x4f8] & 0x0f); + SiS_SetRegANDOR(SISCR, 0x4a, 0x60, bios[0x4f9] & 0x9f); + SiS_SetRegANDOR(SISCR, 0x4b, 0x08, bios[0x4fa] & 0xf7); + SiS_SetRegANDOR(SISCR, 0x4c, 0x80, bios[0x4fb] & 0x7f); + SiS_SetReg(SISCR, 0x70, bios[0x4fc]); + SiS_SetRegANDOR(SISCR, 0x71, 0xf0, bios[0x4fd] & 0x0f); + SiS_SetReg(SISCR, 0x74, 0xd0); + SiS_SetRegANDOR(SISCR, 0x74, 0xcf, bios[0x4fe] & 0x30); + SiS_SetRegANDOR(SISCR, 0x75, 0xe0, bios[0x4ff] & 0x1f); + SiS_SetRegANDOR(SISCR, 0x76, 0xe0, bios[0x500] & 0x1f); + v1 = bios[0x501]; + if((mypdev = pci_get_device(0x8086, 0x2530, NULL))) { + v1 = 0xf0; + pci_dev_put(mypdev); + } + SiS_SetReg(SISCR, 0x77, v1); + } + + /* RAM type: + * + * 0 == DDR1, 1 == DDR2, 2..7 == reserved? + * + * The code seems to written so that regb should equal ramtype, + * however, so far it has been hardcoded to 0. Enable other values only + * on XGI Z9, as it passes the POST, and add a warning for others. + */ + ramtype = sisfb_post_xgi_ramtype(ivideo); + if (!sisfb_xgi_is21(ivideo) && ramtype) { + dev_warn(&pdev->dev, + "RAM type something else than expected: %d\n", + ramtype); + regb = 0; + } else { + regb = ramtype; + } + + v1 = 0xff; + if(ivideo->haveXGIROM) { + v1 = bios[0x140 + regb]; + } + SiS_SetReg(SISCR, 0x6d, v1); + + ptr = cs128; + if(ivideo->haveXGIROM) { + ptr = (const u8 *)&bios[0x128]; + } + for(i = 0, j = 0; i < 3; i++, j += 8) { + SiS_SetReg(SISCR, 0x68 + i, ptr[j + regb]); + } + + ptr = cs31a; + ptr2 = cs33a; + if(ivideo->haveXGIROM) { + index = (ivideo->chip == XGI_20) ? 0x31a : 0x3a6; + ptr = (const u8 *)&bios[index]; + ptr2 = (const u8 *)&bios[index + 0x20]; + } + for(i = 0; i < 2; i++) { + if(i == 0) { + regd = le32_to_cpu(((u32 *)ptr)[regb]); + rega = 0x6b; + } else { + regd = le32_to_cpu(((u32 *)ptr2)[regb]); + rega = 0x6e; + } + reg = 0x00; + for(j = 0; j < 16; j++) { + reg &= 0xf3; + if(regd & 0x01) reg |= 0x04; + if(regd & 0x02) reg |= 0x08; + regd >>= 2; + SiS_SetReg(SISCR, rega, reg); + reg = SiS_GetReg(SISCR, rega); + reg = SiS_GetReg(SISCR, rega); + reg += 0x10; + } + } + + SiS_SetRegAND(SISCR, 0x6e, 0xfc); + + ptr = NULL; + if(ivideo->haveXGIROM) { + index = (ivideo->chip == XGI_20) ? 0x35a : 0x3e6; + ptr = (const u8 *)&bios[index]; + } + for(i = 0; i < 4; i++) { + SiS_SetRegANDOR(SISCR, 0x6e, 0xfc, i); + reg = 0x00; + for(j = 0; j < 2; j++) { + regd = 0; + if(ptr) { + regd = le32_to_cpu(((u32 *)ptr)[regb * 8]); + ptr += 4; + } + /* reg = 0x00; */ + for(k = 0; k < 16; k++) { + reg &= 0xfc; + if(regd & 0x01) reg |= 0x01; + if(regd & 0x02) reg |= 0x02; + regd >>= 2; + SiS_SetReg(SISCR, 0x6f, reg); + reg = SiS_GetReg(SISCR, 0x6f); + reg = SiS_GetReg(SISCR, 0x6f); + reg += 0x08; + } + } + } + + ptr = cs148; + if(ivideo->haveXGIROM) { + ptr = (const u8 *)&bios[0x148]; + } + for(i = 0, j = 0; i < 2; i++, j += 8) { + SiS_SetReg(SISCR, 0x80 + i, ptr[j + regb]); + } + + SiS_SetRegAND(SISCR, 0x89, 0x8f); + + ptr = cs45a; + if(ivideo->haveXGIROM) { + index = (ivideo->chip == XGI_20) ? 0x45a : 0x4e6; + ptr = (const u8 *)&bios[index]; + } + regd = le16_to_cpu(((const u16 *)ptr)[regb]); + reg = 0x80; + for(i = 0; i < 5; i++) { + reg &= 0xfc; + if(regd & 0x01) reg |= 0x01; + if(regd & 0x02) reg |= 0x02; + regd >>= 2; + SiS_SetReg(SISCR, 0x89, reg); + reg = SiS_GetReg(SISCR, 0x89); + reg = SiS_GetReg(SISCR, 0x89); + reg += 0x10; + } + + v1 = 0xb5; v2 = 0x20; v3 = 0xf0; v4 = 0x13; + if(ivideo->haveXGIROM) { + v1 = bios[0x118 + regb]; + v2 = bios[0xf8 + regb]; + v3 = bios[0x120 + regb]; + v4 = bios[0x1ca]; + } + SiS_SetReg(SISCR, 0x45, v1 & 0x0f); + SiS_SetReg(SISCR, 0x99, (v1 >> 4) & 0x07); + SiS_SetRegOR(SISCR, 0x40, v1 & 0x80); + SiS_SetReg(SISCR, 0x41, v2); + + ptr = cs170; + if(ivideo->haveXGIROM) { + ptr = (const u8 *)&bios[0x170]; + } + for(i = 0, j = 0; i < 7; i++, j += 8) { + SiS_SetReg(SISCR, 0x90 + i, ptr[j + regb]); + } + + SiS_SetReg(SISCR, 0x59, v3); + + ptr = cs1a8; + if(ivideo->haveXGIROM) { + ptr = (const u8 *)&bios[0x1a8]; + } + for(i = 0, j = 0; i < 3; i++, j += 8) { + SiS_SetReg(SISCR, 0xc3 + i, ptr[j + regb]); + } + + ptr = cs100; + if(ivideo->haveXGIROM) { + ptr = (const u8 *)&bios[0x100]; + } + for(i = 0, j = 0; i < 2; i++, j += 8) { + SiS_SetReg(SISCR, 0x8a + i, ptr[j + regb]); + } + + SiS_SetReg(SISCR, 0xcf, v4); + + SiS_SetReg(SISCR, 0x83, 0x09); + SiS_SetReg(SISCR, 0x87, 0x00); + + if(ivideo->chip == XGI_40) { + if( (ivideo->revision_id == 1) || + (ivideo->revision_id == 2) ) { + SiS_SetReg(SISCR, 0x8c, 0x87); + } + } + + if (regb == 1) + SiS_SetReg(SISSR, 0x17, 0x80); /* DDR2 */ + else + SiS_SetReg(SISSR, 0x17, 0x00); /* DDR1 */ + SiS_SetReg(SISSR, 0x1a, 0x87); + + if(ivideo->chip == XGI_20) { + SiS_SetReg(SISSR, 0x15, 0x00); + SiS_SetReg(SISSR, 0x1c, 0x00); + } + + switch(ramtype) { + case 0: + sisfb_post_xgi_setclocks(ivideo, regb); + if((ivideo->chip == XGI_20) || + (ivideo->revision_id == 1) || + (ivideo->revision_id == 2)) { + v1 = cs158[regb]; v2 = cs160[regb]; v3 = cs168[regb]; + if(ivideo->haveXGIROM) { + v1 = bios[regb + 0x158]; + v2 = bios[regb + 0x160]; + v3 = bios[regb + 0x168]; + } + SiS_SetReg(SISCR, 0x82, v1); + SiS_SetReg(SISCR, 0x85, v2); + SiS_SetReg(SISCR, 0x86, v3); + } else { + SiS_SetReg(SISCR, 0x82, 0x88); + SiS_SetReg(SISCR, 0x86, 0x00); + reg = SiS_GetReg(SISCR, 0x86); + SiS_SetReg(SISCR, 0x86, 0x88); + reg = SiS_GetReg(SISCR, 0x86); + SiS_SetReg(SISCR, 0x86, bios[regb + 0x168]); + SiS_SetReg(SISCR, 0x82, 0x77); + SiS_SetReg(SISCR, 0x85, 0x00); + reg = SiS_GetReg(SISCR, 0x85); + SiS_SetReg(SISCR, 0x85, 0x88); + reg = SiS_GetReg(SISCR, 0x85); + SiS_SetReg(SISCR, 0x85, bios[regb + 0x160]); + SiS_SetReg(SISCR, 0x82, bios[regb + 0x158]); + } + if(ivideo->chip == XGI_40) { + SiS_SetReg(SISCR, 0x97, 0x00); + } + SiS_SetReg(SISCR, 0x98, 0x01); + SiS_SetReg(SISCR, 0x9a, 0x02); + + SiS_SetReg(SISSR, 0x18, 0x01); + if((ivideo->chip == XGI_20) || + (ivideo->revision_id == 2)) { + SiS_SetReg(SISSR, 0x19, 0x40); + } else { + SiS_SetReg(SISSR, 0x19, 0x20); + } + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + if((ivideo->chip == XGI_20) || (bios[0x1cb] != 0x0c)) { + sisfb_post_xgi_delay(ivideo, 0x43); + sisfb_post_xgi_delay(ivideo, 0x43); + sisfb_post_xgi_delay(ivideo, 0x43); + SiS_SetReg(SISSR, 0x18, 0x00); + if((ivideo->chip == XGI_20) || + (ivideo->revision_id == 2)) { + SiS_SetReg(SISSR, 0x19, 0x40); + } else { + SiS_SetReg(SISSR, 0x19, 0x20); + } + } else if((ivideo->chip == XGI_40) && (bios[0x1cb] == 0x0c)) { + /* SiS_SetReg(SISSR, 0x16, 0x0c); */ /* ? */ + } + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + sisfb_post_xgi_delay(ivideo, 4); + v1 = 0x31; v2 = 0x03; v3 = 0x83; v4 = 0x03; v5 = 0x83; + if(ivideo->haveXGIROM) { + v1 = bios[0xf0]; + index = (ivideo->chip == XGI_20) ? 0x4b2 : 0x53e; + v2 = bios[index]; + v3 = bios[index + 1]; + v4 = bios[index + 2]; + v5 = bios[index + 3]; + } + SiS_SetReg(SISSR, 0x18, v1); + SiS_SetReg(SISSR, 0x19, ((ivideo->chip == XGI_20) ? 0x02 : 0x01)); + SiS_SetReg(SISSR, 0x16, v2); + SiS_SetReg(SISSR, 0x16, v3); + sisfb_post_xgi_delay(ivideo, 0x43); + SiS_SetReg(SISSR, 0x1b, 0x03); + sisfb_post_xgi_delay(ivideo, 0x22); + SiS_SetReg(SISSR, 0x18, v1); + SiS_SetReg(SISSR, 0x19, 0x00); + SiS_SetReg(SISSR, 0x16, v4); + SiS_SetReg(SISSR, 0x16, v5); + SiS_SetReg(SISSR, 0x1b, 0x00); + break; + case 1: + sisfb_post_xgi_ddr2(ivideo, regb); + break; + default: + sisfb_post_xgi_setclocks(ivideo, regb); + if((ivideo->chip == XGI_40) && + ((ivideo->revision_id == 1) || + (ivideo->revision_id == 2))) { + SiS_SetReg(SISCR, 0x82, bios[regb + 0x158]); + SiS_SetReg(SISCR, 0x85, bios[regb + 0x160]); + SiS_SetReg(SISCR, 0x86, bios[regb + 0x168]); + } else { + SiS_SetReg(SISCR, 0x82, 0x88); + SiS_SetReg(SISCR, 0x86, 0x00); + reg = SiS_GetReg(SISCR, 0x86); + SiS_SetReg(SISCR, 0x86, 0x88); + SiS_SetReg(SISCR, 0x82, 0x77); + SiS_SetReg(SISCR, 0x85, 0x00); + reg = SiS_GetReg(SISCR, 0x85); + SiS_SetReg(SISCR, 0x85, 0x88); + reg = SiS_GetReg(SISCR, 0x85); + v1 = cs160[regb]; v2 = cs158[regb]; + if(ivideo->haveXGIROM) { + v1 = bios[regb + 0x160]; + v2 = bios[regb + 0x158]; + } + SiS_SetReg(SISCR, 0x85, v1); + SiS_SetReg(SISCR, 0x82, v2); + } + if(ivideo->chip == XGI_40) { + SiS_SetReg(SISCR, 0x97, 0x11); + } + if((ivideo->chip == XGI_40) && (ivideo->revision_id == 2)) { + SiS_SetReg(SISCR, 0x98, 0x01); + } else { + SiS_SetReg(SISCR, 0x98, 0x03); + } + SiS_SetReg(SISCR, 0x9a, 0x02); + + if(ivideo->chip == XGI_40) { + SiS_SetReg(SISSR, 0x18, 0x01); + } else { + SiS_SetReg(SISSR, 0x18, 0x00); + } + SiS_SetReg(SISSR, 0x19, 0x40); + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + if((ivideo->chip == XGI_40) && (bios[0x1cb] != 0x0c)) { + sisfb_post_xgi_delay(ivideo, 0x43); + sisfb_post_xgi_delay(ivideo, 0x43); + sisfb_post_xgi_delay(ivideo, 0x43); + SiS_SetReg(SISSR, 0x18, 0x00); + SiS_SetReg(SISSR, 0x19, 0x40); + SiS_SetReg(SISSR, 0x16, 0x00); + SiS_SetReg(SISSR, 0x16, 0x80); + } + sisfb_post_xgi_delay(ivideo, 4); + v1 = 0x31; + if(ivideo->haveXGIROM) { + v1 = bios[0xf0]; + } + SiS_SetReg(SISSR, 0x18, v1); + SiS_SetReg(SISSR, 0x19, 0x01); + if(ivideo->chip == XGI_40) { + SiS_SetReg(SISSR, 0x16, bios[0x53e]); + SiS_SetReg(SISSR, 0x16, bios[0x53f]); + } else { + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + } + sisfb_post_xgi_delay(ivideo, 0x43); + if(ivideo->chip == XGI_40) { + SiS_SetReg(SISSR, 0x1b, 0x01); + } else { + SiS_SetReg(SISSR, 0x1b, 0x03); + } + sisfb_post_xgi_delay(ivideo, 0x22); + SiS_SetReg(SISSR, 0x18, v1); + SiS_SetReg(SISSR, 0x19, 0x00); + if(ivideo->chip == XGI_40) { + SiS_SetReg(SISSR, 0x16, bios[0x540]); + SiS_SetReg(SISSR, 0x16, bios[0x541]); + } else { + SiS_SetReg(SISSR, 0x16, 0x05); + SiS_SetReg(SISSR, 0x16, 0x85); + } + SiS_SetReg(SISSR, 0x1b, 0x00); + } + + regb = 0; /* ! */ + v1 = 0x03; + if(ivideo->haveXGIROM) { + v1 = bios[0x110 + regb]; + } + SiS_SetReg(SISSR, 0x1b, v1); + + /* RAM size */ + v1 = 0x00; v2 = 0x00; + if(ivideo->haveXGIROM) { + v1 = bios[0x62]; + v2 = bios[0x63]; + } + regb = 0; /* ! */ + regd = 1 << regb; + if((v1 & 0x40) && (v2 & regd) && ivideo->haveXGIROM) { + + SiS_SetReg(SISSR, 0x13, bios[regb + 0xe0]); + SiS_SetReg(SISSR, 0x14, bios[regb + 0xe0 + 8]); + + } else { + int err; + + /* Set default mode, don't clear screen */ + ivideo->SiS_Pr.SiS_UseOEM = false; + SiS_SetEnableDstn(&ivideo->SiS_Pr, false); + SiS_SetEnableFstn(&ivideo->SiS_Pr, false); + ivideo->curFSTN = ivideo->curDSTN = 0; + ivideo->SiS_Pr.VideoMemorySize = 8 << 20; + SiSSetMode(&ivideo->SiS_Pr, 0x2e | 0x80); + + SiS_SetReg(SISSR, 0x05, 0x86); + + /* Disable read-cache */ + SiS_SetRegAND(SISSR, 0x21, 0xdf); + err = sisfb_post_xgi_ramsize(ivideo); + /* Enable read-cache */ + SiS_SetRegOR(SISSR, 0x21, 0x20); + + if (err) { + dev_err(&pdev->dev, + "%s: RAM size detection failed: %d\n", + __func__, err); + return 0; + } + } + +#if 0 + printk(KERN_DEBUG "-----------------\n"); + for(i = 0; i < 0xff; i++) { + reg = SiS_GetReg(SISCR, i); + printk(KERN_DEBUG "CR%02x(%x) = 0x%02x\n", i, SISCR, reg); + } + for(i = 0; i < 0x40; i++) { + reg = SiS_GetReg(SISSR, i); + printk(KERN_DEBUG "SR%02x(%x) = 0x%02x\n", i, SISSR, reg); + } + printk(KERN_DEBUG "-----------------\n"); +#endif + + /* Sense CRT1 */ + if(ivideo->chip == XGI_20) { + SiS_SetRegOR(SISCR, 0x32, 0x20); + } else { + reg = SiS_GetReg(SISPART4, 0x00); + if((reg == 1) || (reg == 2)) { + sisfb_sense_crt1(ivideo); + } else { + SiS_SetRegOR(SISCR, 0x32, 0x20); + } + } + + /* Set default mode, don't clear screen */ + ivideo->SiS_Pr.SiS_UseOEM = false; + SiS_SetEnableDstn(&ivideo->SiS_Pr, false); + SiS_SetEnableFstn(&ivideo->SiS_Pr, false); + ivideo->curFSTN = ivideo->curDSTN = 0; + SiSSetMode(&ivideo->SiS_Pr, 0x2e | 0x80); + + SiS_SetReg(SISSR, 0x05, 0x86); + + /* Display off */ + SiS_SetRegOR(SISSR, 0x01, 0x20); + + /* Save mode number in CR34 */ + SiS_SetReg(SISCR, 0x34, 0x2e); + + /* Let everyone know what the current mode is */ + ivideo->modeprechange = 0x2e; + + if(ivideo->chip == XGI_40) { + reg = SiS_GetReg(SISCR, 0xca); + v1 = SiS_GetReg(SISCR, 0xcc); + if((reg & 0x10) && (!(v1 & 0x04))) { + printk(KERN_ERR + "sisfb: Please connect power to the card.\n"); + return 0; + } + } + + return 1; +} +#endif + +static int sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct sisfb_chip_info *chipinfo = &sisfb_chip_info[ent->driver_data]; + struct sis_video_info *ivideo = NULL; + struct fb_info *sis_fb_info = NULL; + u16 reg16; + u8 reg; + int i, ret; + + if(sisfb_off) + return -ENXIO; + + sis_fb_info = framebuffer_alloc(sizeof(*ivideo), &pdev->dev); + if(!sis_fb_info) + return -ENOMEM; + + ivideo = (struct sis_video_info *)sis_fb_info->par; + ivideo->memyselfandi = sis_fb_info; + + ivideo->sisfb_id = SISFB_ID; + + if(card_list == NULL) { + ivideo->cardnumber = 0; + } else { + struct sis_video_info *countvideo = card_list; + ivideo->cardnumber = 1; + while((countvideo = countvideo->next) != NULL) + ivideo->cardnumber++; + } + + strncpy(ivideo->myid, chipinfo->chip_name, 30); + + ivideo->warncount = 0; + ivideo->chip_id = pdev->device; + ivideo->chip_vendor = pdev->vendor; + ivideo->revision_id = pdev->revision; + ivideo->SiS_Pr.ChipRevision = ivideo->revision_id; + pci_read_config_word(pdev, PCI_COMMAND, ®16); + ivideo->sisvga_enabled = reg16 & 0x01; + ivideo->pcibus = pdev->bus->number; + ivideo->pcislot = PCI_SLOT(pdev->devfn); + ivideo->pcifunc = PCI_FUNC(pdev->devfn); + ivideo->subsysvendor = pdev->subsystem_vendor; + ivideo->subsysdevice = pdev->subsystem_device; + +#ifndef MODULE + if(sisfb_mode_idx == -1) { + sisfb_get_vga_mode_from_kernel(); + } +#endif + + ivideo->chip = chipinfo->chip; + ivideo->chip_real_id = chipinfo->chip; + ivideo->sisvga_engine = chipinfo->vgaengine; + ivideo->hwcursor_size = chipinfo->hwcursor_size; + ivideo->CRT2_write_enable = chipinfo->CRT2_write_enable; + ivideo->mni = chipinfo->mni; + + ivideo->detectedpdc = 0xff; + ivideo->detectedpdca = 0xff; + ivideo->detectedlcda = 0xff; + + ivideo->sisfb_thismonitor.datavalid = false; + + ivideo->current_base = 0; + + ivideo->engineok = 0; + + ivideo->sisfb_was_boot_device = 0; + + if(pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW) { + if(ivideo->sisvga_enabled) + ivideo->sisfb_was_boot_device = 1; + else { + printk(KERN_DEBUG "sisfb: PCI device is disabled, " + "but marked as boot video device ???\n"); + printk(KERN_DEBUG "sisfb: I will not accept this " + "as the primary VGA device\n"); + } + } + + ivideo->sisfb_parm_mem = sisfb_parm_mem; + ivideo->sisfb_accel = sisfb_accel; + ivideo->sisfb_ypan = sisfb_ypan; + ivideo->sisfb_max = sisfb_max; + ivideo->sisfb_userom = sisfb_userom; + ivideo->sisfb_useoem = sisfb_useoem; + ivideo->sisfb_mode_idx = sisfb_mode_idx; + ivideo->sisfb_parm_rate = sisfb_parm_rate; + ivideo->sisfb_crt1off = sisfb_crt1off; + ivideo->sisfb_forcecrt1 = sisfb_forcecrt1; + ivideo->sisfb_crt2type = sisfb_crt2type; + ivideo->sisfb_crt2flags = sisfb_crt2flags; + /* pdc(a), scalelcd, special timing, lvdshl handled below */ + ivideo->sisfb_dstn = sisfb_dstn; + ivideo->sisfb_fstn = sisfb_fstn; + ivideo->sisfb_tvplug = sisfb_tvplug; + ivideo->sisfb_tvstd = sisfb_tvstd; + ivideo->tvxpos = sisfb_tvxposoffset; + ivideo->tvypos = sisfb_tvyposoffset; + ivideo->sisfb_nocrt2rate = sisfb_nocrt2rate; + ivideo->refresh_rate = 0; + if(ivideo->sisfb_parm_rate != -1) { + ivideo->refresh_rate = ivideo->sisfb_parm_rate; + } + + ivideo->SiS_Pr.UsePanelScaler = sisfb_scalelcd; + ivideo->SiS_Pr.CenterScreen = -1; + ivideo->SiS_Pr.SiS_CustomT = sisfb_specialtiming; + ivideo->SiS_Pr.LVDSHL = sisfb_lvdshl; + + ivideo->SiS_Pr.SiS_Backup70xx = 0xff; + ivideo->SiS_Pr.SiS_CHOverScan = -1; + ivideo->SiS_Pr.SiS_ChSW = false; + ivideo->SiS_Pr.SiS_UseLCDA = false; + ivideo->SiS_Pr.HaveEMI = false; + ivideo->SiS_Pr.HaveEMILCD = false; + ivideo->SiS_Pr.OverruleEMI = false; + ivideo->SiS_Pr.SiS_SensibleSR11 = false; + ivideo->SiS_Pr.SiS_MyCR63 = 0x63; + ivideo->SiS_Pr.PDC = -1; + ivideo->SiS_Pr.PDCA = -1; + ivideo->SiS_Pr.DDCPortMixup = false; +#ifdef CONFIG_FB_SIS_315 + if(ivideo->chip >= SIS_330) { + ivideo->SiS_Pr.SiS_MyCR63 = 0x53; + if(ivideo->chip >= SIS_661) { + ivideo->SiS_Pr.SiS_SensibleSR11 = true; + } + } +#endif + + memcpy(&ivideo->default_var, &my_default_var, sizeof(my_default_var)); + + pci_set_drvdata(pdev, ivideo); + + /* Patch special cases */ + if((ivideo->nbridge = sisfb_get_northbridge(ivideo->chip))) { + switch(ivideo->nbridge->device) { +#ifdef CONFIG_FB_SIS_300 + case PCI_DEVICE_ID_SI_730: + ivideo->chip = SIS_730; + strcpy(ivideo->myid, "SiS 730"); + break; +#endif +#ifdef CONFIG_FB_SIS_315 + case PCI_DEVICE_ID_SI_651: + /* ivideo->chip is ok */ + strcpy(ivideo->myid, "SiS 651"); + break; + case PCI_DEVICE_ID_SI_740: + ivideo->chip = SIS_740; + strcpy(ivideo->myid, "SiS 740"); + break; + case PCI_DEVICE_ID_SI_661: + ivideo->chip = SIS_661; + strcpy(ivideo->myid, "SiS 661"); + break; + case PCI_DEVICE_ID_SI_741: + ivideo->chip = SIS_741; + strcpy(ivideo->myid, "SiS 741"); + break; + case PCI_DEVICE_ID_SI_760: + ivideo->chip = SIS_760; + strcpy(ivideo->myid, "SiS 760"); + break; + case PCI_DEVICE_ID_SI_761: + ivideo->chip = SIS_761; + strcpy(ivideo->myid, "SiS 761"); + break; +#endif + default: + break; + } + } + + ivideo->SiS_Pr.ChipType = ivideo->chip; + + ivideo->SiS_Pr.ivideo = (void *)ivideo; + +#ifdef CONFIG_FB_SIS_315 + if((ivideo->SiS_Pr.ChipType == SIS_315PRO) || + (ivideo->SiS_Pr.ChipType == SIS_315)) { + ivideo->SiS_Pr.ChipType = SIS_315H; + } +#endif + + if(!ivideo->sisvga_enabled) { + if(pci_enable_device(pdev)) { + if(ivideo->nbridge) pci_dev_put(ivideo->nbridge); + framebuffer_release(sis_fb_info); + return -EIO; + } + } + + ivideo->video_base = pci_resource_start(pdev, 0); + ivideo->video_size = pci_resource_len(pdev, 0); + ivideo->mmio_base = pci_resource_start(pdev, 1); + ivideo->mmio_size = pci_resource_len(pdev, 1); + ivideo->SiS_Pr.RelIO = pci_resource_start(pdev, 2) + 0x30; + ivideo->SiS_Pr.IOAddress = ivideo->vga_base = ivideo->SiS_Pr.RelIO; + + SiSRegInit(&ivideo->SiS_Pr, ivideo->SiS_Pr.IOAddress); + +#ifdef CONFIG_FB_SIS_300 + /* Find PCI systems for Chrontel/GPIO communication setup */ + if(ivideo->chip == SIS_630) { + i = 0; + do { + if(mychswtable[i].subsysVendor == ivideo->subsysvendor && + mychswtable[i].subsysCard == ivideo->subsysdevice) { + ivideo->SiS_Pr.SiS_ChSW = true; + printk(KERN_DEBUG "sisfb: Identified [%s %s] " + "requiring Chrontel/GPIO setup\n", + mychswtable[i].vendorName, + mychswtable[i].cardName); + ivideo->lpcdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0008, NULL); + break; + } + i++; + } while(mychswtable[i].subsysVendor != 0); + } +#endif + +#ifdef CONFIG_FB_SIS_315 + if((ivideo->chip == SIS_760) && (ivideo->nbridge)) { + ivideo->lpcdev = pci_get_slot(ivideo->nbridge->bus, (2 << 3)); + } +#endif + + SiS_SetReg(SISSR, 0x05, 0x86); + + if( (!ivideo->sisvga_enabled) +#if !defined(__i386__) && !defined(__x86_64__) + || (sisfb_resetcard) +#endif + ) { + for(i = 0x30; i <= 0x3f; i++) { + SiS_SetReg(SISCR, i, 0x00); + } + } + + /* Find out about current video mode */ + ivideo->modeprechange = 0x03; + reg = SiS_GetReg(SISCR, 0x34); + if(reg & 0x7f) { + ivideo->modeprechange = reg & 0x7f; + } else if(ivideo->sisvga_enabled) { +#if defined(__i386__) || defined(__x86_64__) + unsigned char __iomem *tt = ioremap(0x400, 0x100); + if(tt) { + ivideo->modeprechange = readb(tt + 0x49); + iounmap(tt); + } +#endif + } + + /* Search and copy ROM image */ + ivideo->bios_abase = NULL; + ivideo->SiS_Pr.VirtualRomBase = NULL; + ivideo->SiS_Pr.UseROM = false; + ivideo->haveXGIROM = ivideo->SiS_Pr.SiS_XGIROM = false; + if(ivideo->sisfb_userom) { + ivideo->SiS_Pr.VirtualRomBase = sisfb_find_rom(pdev); + ivideo->bios_abase = ivideo->SiS_Pr.VirtualRomBase; + ivideo->SiS_Pr.UseROM = (bool)(ivideo->SiS_Pr.VirtualRomBase); + printk(KERN_INFO "sisfb: Video ROM %sfound\n", + ivideo->SiS_Pr.UseROM ? "" : "not "); + if((ivideo->SiS_Pr.UseROM) && (ivideo->chip >= XGI_20)) { + ivideo->SiS_Pr.UseROM = false; + ivideo->haveXGIROM = ivideo->SiS_Pr.SiS_XGIROM = true; + if( (ivideo->revision_id == 2) && + (!(ivideo->bios_abase[0x1d1] & 0x01)) ) { + ivideo->SiS_Pr.DDCPortMixup = true; + } + } + } else { + printk(KERN_INFO "sisfb: Video ROM usage disabled\n"); + } + + /* Find systems for special custom timing */ + if(ivideo->SiS_Pr.SiS_CustomT == CUT_NONE) { + sisfb_detect_custom_timing(ivideo); + } + +#ifdef CONFIG_FB_SIS_315 + if (ivideo->chip == XGI_20) { + /* Check if our Z7 chip is actually Z9 */ + SiS_SetRegOR(SISCR, 0x4a, 0x40); /* GPIOG EN */ + reg = SiS_GetReg(SISCR, 0x48); + if (reg & 0x02) { /* GPIOG */ + ivideo->chip_real_id = XGI_21; + dev_info(&pdev->dev, "Z9 detected\n"); + } + } +#endif + + /* POST card in case this has not been done by the BIOS */ + if( (!ivideo->sisvga_enabled) +#if !defined(__i386__) && !defined(__x86_64__) + || (sisfb_resetcard) +#endif + ) { +#ifdef CONFIG_FB_SIS_300 + if(ivideo->sisvga_engine == SIS_300_VGA) { + if(ivideo->chip == SIS_300) { + sisfb_post_sis300(pdev); + ivideo->sisfb_can_post = 1; + } + } +#endif + +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + int result = 1; + /* if((ivideo->chip == SIS_315H) || + (ivideo->chip == SIS_315) || + (ivideo->chip == SIS_315PRO) || + (ivideo->chip == SIS_330)) { + sisfb_post_sis315330(pdev); + } else */ if(ivideo->chip == XGI_20) { + result = sisfb_post_xgi(pdev); + ivideo->sisfb_can_post = 1; + } else if((ivideo->chip == XGI_40) && ivideo->haveXGIROM) { + result = sisfb_post_xgi(pdev); + ivideo->sisfb_can_post = 1; + } else { + printk(KERN_INFO "sisfb: Card is not " + "POSTed and sisfb can't do this either.\n"); + } + if(!result) { + printk(KERN_ERR "sisfb: Failed to POST card\n"); + ret = -ENODEV; + goto error_3; + } + } +#endif + } + + ivideo->sisfb_card_posted = 1; + + /* Find out about RAM size */ + if(sisfb_get_dram_size(ivideo)) { + printk(KERN_INFO "sisfb: Fatal error: Unable to determine VRAM size.\n"); + ret = -ENODEV; + goto error_3; + } + + + /* Enable PCI addressing and MMIO */ + if((ivideo->sisfb_mode_idx < 0) || + ((sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni]) != 0xFF)) { + /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */ + SiS_SetRegOR(SISSR, IND_SIS_PCI_ADDRESS_SET, (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE)); + /* Enable 2D accelerator engine */ + SiS_SetRegOR(SISSR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D); + } + + if(sisfb_pdc != 0xff) { + if(ivideo->sisvga_engine == SIS_300_VGA) + sisfb_pdc &= 0x3c; + else + sisfb_pdc &= 0x1f; + ivideo->SiS_Pr.PDC = sisfb_pdc; + } +#ifdef CONFIG_FB_SIS_315 + if(ivideo->sisvga_engine == SIS_315_VGA) { + if(sisfb_pdca != 0xff) + ivideo->SiS_Pr.PDCA = sisfb_pdca & 0x1f; + } +#endif + + if(!request_mem_region(ivideo->video_base, ivideo->video_size, "sisfb FB")) { + printk(KERN_ERR "sisfb: Fatal error: Unable to reserve %dMB framebuffer memory\n", + (int)(ivideo->video_size >> 20)); + printk(KERN_ERR "sisfb: Is there another framebuffer driver active?\n"); + ret = -ENODEV; + goto error_3; + } + + if(!request_mem_region(ivideo->mmio_base, ivideo->mmio_size, "sisfb MMIO")) { + printk(KERN_ERR "sisfb: Fatal error: Unable to reserve MMIO region\n"); + ret = -ENODEV; + goto error_2; + } + + ivideo->video_vbase = ioremap(ivideo->video_base, ivideo->video_size); + ivideo->SiS_Pr.VideoMemoryAddress = ivideo->video_vbase; + if(!ivideo->video_vbase) { + printk(KERN_ERR "sisfb: Fatal error: Unable to map framebuffer memory\n"); + ret = -ENODEV; + goto error_1; + } + + ivideo->mmio_vbase = ioremap(ivideo->mmio_base, ivideo->mmio_size); + if(!ivideo->mmio_vbase) { + printk(KERN_ERR "sisfb: Fatal error: Unable to map MMIO region\n"); + ret = -ENODEV; +error_0: iounmap(ivideo->video_vbase); +error_1: release_mem_region(ivideo->video_base, ivideo->video_size); +error_2: release_mem_region(ivideo->mmio_base, ivideo->mmio_size); +error_3: vfree(ivideo->bios_abase); + if(ivideo->lpcdev) + pci_dev_put(ivideo->lpcdev); + if(ivideo->nbridge) + pci_dev_put(ivideo->nbridge); + if(!ivideo->sisvga_enabled) + pci_disable_device(pdev); + framebuffer_release(sis_fb_info); + return ret; + } + + printk(KERN_INFO "sisfb: Video RAM at 0x%lx, mapped to 0x%lx, size %ldk\n", + ivideo->video_base, (unsigned long)ivideo->video_vbase, ivideo->video_size / 1024); + + if(ivideo->video_offset) { + printk(KERN_INFO "sisfb: Viewport offset %ldk\n", + ivideo->video_offset / 1024); + } + + printk(KERN_INFO "sisfb: MMIO at 0x%lx, mapped to 0x%lx, size %ldk\n", + ivideo->mmio_base, (unsigned long)ivideo->mmio_vbase, ivideo->mmio_size / 1024); + + + /* Determine the size of the command queue */ + if(ivideo->sisvga_engine == SIS_300_VGA) { + ivideo->cmdQueueSize = TURBO_QUEUE_AREA_SIZE; + } else { + if(ivideo->chip == XGI_20) { + ivideo->cmdQueueSize = COMMAND_QUEUE_AREA_SIZE_Z7; + } else { + ivideo->cmdQueueSize = COMMAND_QUEUE_AREA_SIZE; + } + } + + /* Engines are no longer initialized here; this is + * now done after the first mode-switch (if the + * submitted var has its acceleration flags set). + */ + + /* Calculate the base of the (unused) hw cursor */ + ivideo->hwcursor_vbase = ivideo->video_vbase + + ivideo->video_size + - ivideo->cmdQueueSize + - ivideo->hwcursor_size; + ivideo->caps |= HW_CURSOR_CAP; + + /* Initialize offscreen memory manager */ + if((ivideo->havenoheap = sisfb_heap_init(ivideo))) { + printk(KERN_WARNING "sisfb: Failed to initialize offscreen memory heap\n"); + } + + /* Used for clearing the screen only, therefore respect our mem limit */ + ivideo->SiS_Pr.VideoMemoryAddress += ivideo->video_offset; + ivideo->SiS_Pr.VideoMemorySize = ivideo->sisfb_mem; + + ivideo->mtrr = -1; + + ivideo->vbflags = 0; + ivideo->lcddefmodeidx = DEFAULT_LCDMODE; + ivideo->tvdefmodeidx = DEFAULT_TVMODE; + ivideo->defmodeidx = DEFAULT_MODE; + + ivideo->newrom = 0; + if(ivideo->chip < XGI_20) { + if(ivideo->bios_abase) { + ivideo->newrom = SiSDetermineROMLayout661(&ivideo->SiS_Pr); + } + } + + if((ivideo->sisfb_mode_idx < 0) || + ((sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni]) != 0xFF)) { + + sisfb_sense_crt1(ivideo); + + sisfb_get_VB_type(ivideo); + + if(ivideo->vbflags2 & VB2_VIDEOBRIDGE) { + sisfb_detect_VB_connect(ivideo); + } + + ivideo->currentvbflags = ivideo->vbflags & (VB_VIDEOBRIDGE | TV_STANDARD); + + /* Decide on which CRT2 device to use */ + if(ivideo->vbflags2 & VB2_VIDEOBRIDGE) { + if(ivideo->sisfb_crt2type != -1) { + if((ivideo->sisfb_crt2type == CRT2_LCD) && + (ivideo->vbflags & CRT2_LCD)) { + ivideo->currentvbflags |= CRT2_LCD; + } else if(ivideo->sisfb_crt2type != CRT2_LCD) { + ivideo->currentvbflags |= ivideo->sisfb_crt2type; + } + } else { + /* Chrontel 700x TV detection often unreliable, therefore + * use a different default order on such machines + */ + if((ivideo->sisvga_engine == SIS_300_VGA) && + (ivideo->vbflags2 & VB2_CHRONTEL)) { + if(ivideo->vbflags & CRT2_LCD) + ivideo->currentvbflags |= CRT2_LCD; + else if(ivideo->vbflags & CRT2_TV) + ivideo->currentvbflags |= CRT2_TV; + else if(ivideo->vbflags & CRT2_VGA) + ivideo->currentvbflags |= CRT2_VGA; + } else { + if(ivideo->vbflags & CRT2_TV) + ivideo->currentvbflags |= CRT2_TV; + else if(ivideo->vbflags & CRT2_LCD) + ivideo->currentvbflags |= CRT2_LCD; + else if(ivideo->vbflags & CRT2_VGA) + ivideo->currentvbflags |= CRT2_VGA; + } + } + } + + if(ivideo->vbflags & CRT2_LCD) { + sisfb_detect_lcd_type(ivideo); + } + + sisfb_save_pdc_emi(ivideo); + + if(!ivideo->sisfb_crt1off) { + sisfb_handle_ddc(ivideo, &ivideo->sisfb_thismonitor, 0); + } else { + if((ivideo->vbflags2 & VB2_SISTMDSBRIDGE) && + (ivideo->vbflags & (CRT2_VGA | CRT2_LCD))) { + sisfb_handle_ddc(ivideo, &ivideo->sisfb_thismonitor, 1); + } + } + + if(ivideo->sisfb_mode_idx >= 0) { + int bu = ivideo->sisfb_mode_idx; + ivideo->sisfb_mode_idx = sisfb_validate_mode(ivideo, + ivideo->sisfb_mode_idx, ivideo->currentvbflags); + if(bu != ivideo->sisfb_mode_idx) { + printk(KERN_ERR "Mode %dx%dx%d failed validation\n", + sisbios_mode[bu].xres, + sisbios_mode[bu].yres, + sisbios_mode[bu].bpp); + } + } + + if(ivideo->sisfb_mode_idx < 0) { + switch(ivideo->currentvbflags & VB_DISPTYPE_DISP2) { + case CRT2_LCD: + ivideo->sisfb_mode_idx = ivideo->lcddefmodeidx; + break; + case CRT2_TV: + ivideo->sisfb_mode_idx = ivideo->tvdefmodeidx; + break; + default: + ivideo->sisfb_mode_idx = ivideo->defmodeidx; + break; + } + } + + ivideo->mode_no = sisbios_mode[ivideo->sisfb_mode_idx].mode_no[ivideo->mni]; + + if(ivideo->refresh_rate != 0) { + sisfb_search_refresh_rate(ivideo, ivideo->refresh_rate, + ivideo->sisfb_mode_idx); + } + + if(ivideo->rate_idx == 0) { + ivideo->rate_idx = sisbios_mode[ivideo->sisfb_mode_idx].rate_idx; + ivideo->refresh_rate = 60; + } + + if(ivideo->sisfb_thismonitor.datavalid) { + if(!sisfb_verify_rate(ivideo, &ivideo->sisfb_thismonitor, + ivideo->sisfb_mode_idx, + ivideo->rate_idx, + ivideo->refresh_rate)) { + printk(KERN_INFO "sisfb: WARNING: Refresh rate " + "exceeds monitor specs!\n"); + } + } + + ivideo->video_bpp = sisbios_mode[ivideo->sisfb_mode_idx].bpp; + ivideo->video_width = sisbios_mode[ivideo->sisfb_mode_idx].xres; + ivideo->video_height = sisbios_mode[ivideo->sisfb_mode_idx].yres; + + sisfb_set_vparms(ivideo); + + printk(KERN_INFO "sisfb: Default mode is %dx%dx%d (%dHz)\n", + ivideo->video_width, ivideo->video_height, ivideo->video_bpp, + ivideo->refresh_rate); + + /* Set up the default var according to chosen default display mode */ + ivideo->default_var.xres = ivideo->default_var.xres_virtual = ivideo->video_width; + ivideo->default_var.yres = ivideo->default_var.yres_virtual = ivideo->video_height; + ivideo->default_var.bits_per_pixel = ivideo->video_bpp; + + sisfb_bpp_to_var(ivideo, &ivideo->default_var); + + ivideo->default_var.pixclock = (u32) (1000000000 / + sisfb_mode_rate_to_dclock(&ivideo->SiS_Pr, ivideo->mode_no, ivideo->rate_idx)); + + if(sisfb_mode_rate_to_ddata(&ivideo->SiS_Pr, ivideo->mode_no, + ivideo->rate_idx, &ivideo->default_var)) { + if((ivideo->default_var.vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) { + ivideo->default_var.pixclock <<= 1; + } + } + + if(ivideo->sisfb_ypan) { + /* Maximize regardless of sisfb_max at startup */ + ivideo->default_var.yres_virtual = + sisfb_calc_maxyres(ivideo, &ivideo->default_var); + if(ivideo->default_var.yres_virtual < ivideo->default_var.yres) { + ivideo->default_var.yres_virtual = ivideo->default_var.yres; + } + } + + sisfb_calc_pitch(ivideo, &ivideo->default_var); + + ivideo->accel = 0; + if(ivideo->sisfb_accel) { + ivideo->accel = -1; +#ifdef STUPID_ACCELF_TEXT_SHIT + ivideo->default_var.accel_flags |= FB_ACCELF_TEXT; +#endif + } + sisfb_initaccel(ivideo); + +#if defined(FBINFO_HWACCEL_DISABLED) && defined(FBINFO_HWACCEL_XPAN) + sis_fb_info->flags = FBINFO_DEFAULT | + FBINFO_HWACCEL_YPAN | + FBINFO_HWACCEL_XPAN | + FBINFO_HWACCEL_COPYAREA | + FBINFO_HWACCEL_FILLRECT | + ((ivideo->accel) ? 0 : FBINFO_HWACCEL_DISABLED); +#else + sis_fb_info->flags = FBINFO_FLAG_DEFAULT; +#endif + sis_fb_info->var = ivideo->default_var; + sis_fb_info->fix = ivideo->sisfb_fix; + sis_fb_info->screen_base = ivideo->video_vbase + ivideo->video_offset; + sis_fb_info->fbops = &sisfb_ops; + sis_fb_info->pseudo_palette = ivideo->pseudo_palette; + + fb_alloc_cmap(&sis_fb_info->cmap, 256 , 0); + + printk(KERN_DEBUG "sisfb: Initial vbflags 0x%x\n", (int)ivideo->vbflags); + +#ifdef CONFIG_MTRR + ivideo->mtrr = mtrr_add(ivideo->video_base, ivideo->video_size, + MTRR_TYPE_WRCOMB, 1); + if(ivideo->mtrr < 0) { + printk(KERN_DEBUG "sisfb: Failed to add MTRRs\n"); + } +#endif + + if(register_framebuffer(sis_fb_info) < 0) { + printk(KERN_ERR "sisfb: Fatal error: Failed to register framebuffer\n"); + ret = -EINVAL; + iounmap(ivideo->mmio_vbase); + goto error_0; + } + + ivideo->registered = 1; + + /* Enlist us */ + ivideo->next = card_list; + card_list = ivideo; + + printk(KERN_INFO "sisfb: 2D acceleration is %s, y-panning %s\n", + ivideo->sisfb_accel ? "enabled" : "disabled", + ivideo->sisfb_ypan ? + (ivideo->sisfb_max ? "enabled (auto-max)" : + "enabled (no auto-max)") : + "disabled"); + + + fb_info(sis_fb_info, "%s frame buffer device version %d.%d.%d\n", + ivideo->myid, VER_MAJOR, VER_MINOR, VER_LEVEL); + + printk(KERN_INFO "sisfb: Copyright (C) 2001-2005 Thomas Winischhofer\n"); + + } /* if mode = "none" */ + + return 0; +} + +/*****************************************************/ +/* PCI DEVICE HANDLING */ +/*****************************************************/ + +static void sisfb_remove(struct pci_dev *pdev) +{ + struct sis_video_info *ivideo = pci_get_drvdata(pdev); + struct fb_info *sis_fb_info = ivideo->memyselfandi; + int registered = ivideo->registered; + int modechanged = ivideo->modechanged; + + /* Unmap */ + iounmap(ivideo->mmio_vbase); + iounmap(ivideo->video_vbase); + + /* Release mem regions */ + release_mem_region(ivideo->video_base, ivideo->video_size); + release_mem_region(ivideo->mmio_base, ivideo->mmio_size); + + vfree(ivideo->bios_abase); + + if(ivideo->lpcdev) + pci_dev_put(ivideo->lpcdev); + + if(ivideo->nbridge) + pci_dev_put(ivideo->nbridge); + +#ifdef CONFIG_MTRR + /* Release MTRR region */ + if(ivideo->mtrr >= 0) + mtrr_del(ivideo->mtrr, ivideo->video_base, ivideo->video_size); +#endif + + /* If device was disabled when starting, disable + * it when quitting. + */ + if(!ivideo->sisvga_enabled) + pci_disable_device(pdev); + + /* Unregister the framebuffer */ + if(ivideo->registered) { + unregister_framebuffer(sis_fb_info); + framebuffer_release(sis_fb_info); + } + + /* OK, our ivideo is gone for good from here. */ + + /* TODO: Restore the initial mode + * This sounds easy but is as good as impossible + * on many machines with SiS chip and video bridge + * since text modes are always set up differently + * from machine to machine. Depends on the type + * of integration between chipset and bridge. + */ + if(registered && modechanged) + printk(KERN_INFO + "sisfb: Restoring of text mode not supported yet\n"); +}; + +static struct pci_driver sisfb_driver = { + .name = "sisfb", + .id_table = sisfb_pci_table, + .probe = sisfb_probe, + .remove = sisfb_remove, +}; + +static int __init sisfb_init(void) +{ +#ifndef MODULE + char *options = NULL; + + if(fb_get_options("sisfb", &options)) + return -ENODEV; + + sisfb_setup(options); +#endif + return pci_register_driver(&sisfb_driver); +} + +#ifndef MODULE +module_init(sisfb_init); +#endif + +/*****************************************************/ +/* MODULE */ +/*****************************************************/ + +#ifdef MODULE + +static char *mode = NULL; +static int vesa = -1; +static unsigned int rate = 0; +static unsigned int crt1off = 1; +static unsigned int mem = 0; +static char *forcecrt2type = NULL; +static int forcecrt1 = -1; +static int pdc = -1; +static int pdc1 = -1; +static int noaccel = -1; +static int noypan = -1; +static int nomax = -1; +static int userom = -1; +static int useoem = -1; +static char *tvstandard = NULL; +static int nocrt2rate = 0; +static int scalelcd = -1; +static char *specialtiming = NULL; +static int lvdshl = -1; +static int tvxposoffset = 0, tvyposoffset = 0; +#if !defined(__i386__) && !defined(__x86_64__) +static int resetcard = 0; +static int videoram = 0; +#endif + +static int __init sisfb_init_module(void) +{ + sisfb_setdefaultparms(); + + if(rate) + sisfb_parm_rate = rate; + + if((scalelcd == 0) || (scalelcd == 1)) + sisfb_scalelcd = scalelcd ^ 1; + + /* Need to check crt2 type first for fstn/dstn */ + + if(forcecrt2type) + sisfb_search_crt2type(forcecrt2type); + + if(tvstandard) + sisfb_search_tvstd(tvstandard); + + if(mode) + sisfb_search_mode(mode, false); + else if(vesa != -1) + sisfb_search_vesamode(vesa, false); + + sisfb_crt1off = (crt1off == 0) ? 1 : 0; + + sisfb_forcecrt1 = forcecrt1; + if(forcecrt1 == 1) + sisfb_crt1off = 0; + else if(forcecrt1 == 0) + sisfb_crt1off = 1; + + if(noaccel == 1) + sisfb_accel = 0; + else if(noaccel == 0) + sisfb_accel = 1; + + if(noypan == 1) + sisfb_ypan = 0; + else if(noypan == 0) + sisfb_ypan = 1; + + if(nomax == 1) + sisfb_max = 0; + else if(nomax == 0) + sisfb_max = 1; + + if(mem) + sisfb_parm_mem = mem; + + if(userom != -1) + sisfb_userom = userom; + + if(useoem != -1) + sisfb_useoem = useoem; + + if(pdc != -1) + sisfb_pdc = (pdc & 0x7f); + + if(pdc1 != -1) + sisfb_pdca = (pdc1 & 0x1f); + + sisfb_nocrt2rate = nocrt2rate; + + if(specialtiming) + sisfb_search_specialtiming(specialtiming); + + if((lvdshl >= 0) && (lvdshl <= 3)) + sisfb_lvdshl = lvdshl; + + sisfb_tvxposoffset = tvxposoffset; + sisfb_tvyposoffset = tvyposoffset; + +#if !defined(__i386__) && !defined(__x86_64__) + sisfb_resetcard = (resetcard) ? 1 : 0; + if(videoram) + sisfb_videoram = videoram; +#endif + + return sisfb_init(); +} + +static void __exit sisfb_remove_module(void) +{ + pci_unregister_driver(&sisfb_driver); + printk(KERN_DEBUG "sisfb: Module unloaded\n"); +} + +module_init(sisfb_init_module); +module_exit(sisfb_remove_module); + +MODULE_DESCRIPTION("SiS 300/540/630/730/315/55x/65x/661/74x/330/76x/34x, XGI V3XT/V5/V8/Z7 framebuffer device driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Thomas Winischhofer <thomas@winischhofer.net>, Others"); + +module_param(mem, int, 0); +module_param(noaccel, int, 0); +module_param(noypan, int, 0); +module_param(nomax, int, 0); +module_param(userom, int, 0); +module_param(useoem, int, 0); +module_param(mode, charp, 0); +module_param(vesa, int, 0); +module_param(rate, int, 0); +module_param(forcecrt1, int, 0); +module_param(forcecrt2type, charp, 0); +module_param(scalelcd, int, 0); +module_param(pdc, int, 0); +module_param(pdc1, int, 0); +module_param(specialtiming, charp, 0); +module_param(lvdshl, int, 0); +module_param(tvstandard, charp, 0); +module_param(tvxposoffset, int, 0); +module_param(tvyposoffset, int, 0); +module_param(nocrt2rate, int, 0); +#if !defined(__i386__) && !defined(__x86_64__) +module_param(resetcard, int, 0); +module_param(videoram, int, 0); +#endif + +MODULE_PARM_DESC(mem, + "\nDetermines the beginning of the video memory heap in KB. This heap is used\n" + "for video RAM management for eg. DRM/DRI. On 300 series, the default depends\n" + "on the amount of video RAM available. If 8MB of video RAM or less is available,\n" + "the heap starts at 4096KB, if between 8 and 16MB are available at 8192KB,\n" + "otherwise at 12288KB. On 315/330/340 series, the heap size is 32KB by default.\n" + "The value is to be specified without 'KB'.\n"); + +MODULE_PARM_DESC(noaccel, + "\nIf set to anything other than 0, 2D acceleration will be disabled.\n" + "(default: 0)\n"); + +MODULE_PARM_DESC(noypan, + "\nIf set to anything other than 0, y-panning will be disabled and scrolling\n" + "will be performed by redrawing the screen. (default: 0)\n"); + +MODULE_PARM_DESC(nomax, + "\nIf y-panning is enabled, sisfb will by default use the entire available video\n" + "memory for the virtual screen in order to optimize scrolling performance. If\n" + "this is set to anything other than 0, sisfb will not do this and thereby \n" + "enable the user to positively specify a virtual Y size of the screen using\n" + "fbset. (default: 0)\n"); + +MODULE_PARM_DESC(mode, + "\nSelects the desired default display mode in the format XxYxDepth,\n" + "eg. 1024x768x16. Other formats supported include XxY-Depth and\n" + "XxY-Depth@Rate. If the parameter is only one (decimal or hexadecimal)\n" + "number, it will be interpreted as a VESA mode number. (default: 800x600x8)\n"); + +MODULE_PARM_DESC(vesa, + "\nSelects the desired default display mode by VESA defined mode number, eg.\n" + "0x117 (default: 0x0103)\n"); + +MODULE_PARM_DESC(rate, + "\nSelects the desired vertical refresh rate for CRT1 (external VGA) in Hz.\n" + "If the mode is specified in the format XxY-Depth@Rate, this parameter\n" + "will be ignored (default: 60)\n"); + +MODULE_PARM_DESC(forcecrt1, + "\nNormally, the driver autodetects whether or not CRT1 (external VGA) is \n" + "connected. With this option, the detection can be overridden (1=CRT1 ON,\n" + "0=CRT1 OFF) (default: [autodetected])\n"); + +MODULE_PARM_DESC(forcecrt2type, + "\nIf this option is omitted, the driver autodetects CRT2 output devices, such as\n" + "LCD, TV or secondary VGA. With this option, this autodetection can be\n" + "overridden. Possible parameters are LCD, TV, VGA or NONE. NONE disables CRT2.\n" + "On systems with a SiS video bridge, parameters SVIDEO, COMPOSITE or SCART can\n" + "be used instead of TV to override the TV detection. Furthermore, on systems\n" + "with a SiS video bridge, SVIDEO+COMPOSITE, HIVISION, YPBPR480I, YPBPR480P,\n" + "YPBPR720P and YPBPR1080I are understood. However, whether or not these work\n" + "depends on the very hardware in use. (default: [autodetected])\n"); + +MODULE_PARM_DESC(scalelcd, + "\nSetting this to 1 will force the driver to scale the LCD image to the panel's\n" + "native resolution. Setting it to 0 will disable scaling; LVDS panels will\n" + "show black bars around the image, TMDS panels will probably do the scaling\n" + "themselves. Default: 1 on LVDS panels, 0 on TMDS panels\n"); + +MODULE_PARM_DESC(pdc, + "\nThis is for manually selecting the LCD panel delay compensation. The driver\n" + "should detect this correctly in most cases; however, sometimes this is not\n" + "possible. If you see 'small waves' on the LCD, try setting this to 4, 32 or 24\n" + "on a 300 series chipset; 6 on other chipsets. If the problem persists, try\n" + "other values (on 300 series: between 4 and 60 in steps of 4; otherwise: any\n" + "value from 0 to 31). (default: autodetected, if LCD is active during start)\n"); + +#ifdef CONFIG_FB_SIS_315 +MODULE_PARM_DESC(pdc1, + "\nThis is same as pdc, but for LCD-via CRT1. Hence, this is for the 315/330/340\n" + "series only. (default: autodetected if LCD is in LCD-via-CRT1 mode during\n" + "startup) - Note: currently, this has no effect because LCD-via-CRT1 is not\n" + "implemented yet.\n"); +#endif + +MODULE_PARM_DESC(specialtiming, + "\nPlease refer to documentation for more information on this option.\n"); + +MODULE_PARM_DESC(lvdshl, + "\nPlease refer to documentation for more information on this option.\n"); + +MODULE_PARM_DESC(tvstandard, + "\nThis allows overriding the BIOS default for the TV standard. Valid choices are\n" + "pal, ntsc, palm and paln. (default: [auto; pal or ntsc only])\n"); + +MODULE_PARM_DESC(tvxposoffset, + "\nRelocate TV output horizontally. Possible parameters: -32 through 32.\n" + "Default: 0\n"); + +MODULE_PARM_DESC(tvyposoffset, + "\nRelocate TV output vertically. Possible parameters: -32 through 32.\n" + "Default: 0\n"); + +MODULE_PARM_DESC(nocrt2rate, + "\nSetting this to 1 will force the driver to use the default refresh rate for\n" + "CRT2 if CRT2 type is VGA. (default: 0, use same rate as CRT1)\n"); + +#if !defined(__i386__) && !defined(__x86_64__) +#ifdef CONFIG_FB_SIS_300 +MODULE_PARM_DESC(resetcard, + "\nSet this to 1 in order to reset (POST) the card on non-x86 machines where\n" + "the BIOS did not POST the card (only supported for SiS 300/305 and XGI cards\n" + "currently). Default: 0\n"); + +MODULE_PARM_DESC(videoram, + "\nSet this to the amount of video RAM (in kilobyte) the card has. Required on\n" + "some non-x86 architectures where the memory auto detection fails. Only\n" + "relevant if resetcard is set, too. SiS300/305 only. Default: [auto-detect]\n"); +#endif +#endif + +#endif /* /MODULE */ + +/* _GPL only for new symbols. */ +EXPORT_SYMBOL(sis_malloc); +EXPORT_SYMBOL(sis_free); +EXPORT_SYMBOL_GPL(sis_malloc_new); +EXPORT_SYMBOL_GPL(sis_free_new); + + + |