diff options
Diffstat (limited to 'drivers/video/sis/sis_main.c')
| -rw-r--r-- | drivers/video/sis/sis_main.c | 6844 |
1 files changed, 0 insertions, 6844 deletions
diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c deleted file mode 100644 index 22ad028bf12..00000000000 --- a/drivers/video/sis/sis_main.c +++ /dev/null @@ -1,6844 +0,0 @@ -/* - * 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); - - - |