drivers/video/via/viafbdev.c

   1 /*
   2  * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   4
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public
   7  * License as published by the Free Software Foundation;
   8  * either version 2, or (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
  12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
  13  * A PARTICULAR PURPOSE.See the GNU General Public License
  14  * for more details.
  15
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <linux/module.h>
  23 #include <linux/seq_file.h>
  24 #include <linux/slab.h>
  25 #include <linux/stat.h>
  26 #include <linux/via-core.h>
  27
  28 #define _MASTER_FILE
  29 #include "global.h"
  30
  31 static char *viafb_name = "Via";
  32 static u32 pseudo_pal[17];
  33
  34 /* video mode */
  35 static char *viafb_mode;
  36 static char *viafb_mode1;
  37 static int viafb_bpp = 32;
  38 static int viafb_bpp1 = 32;
  39
  40 static unsigned int viafb_second_offset;
  41 static int viafb_second_size;
  42
  43 static int viafb_accel = 1;
  44
  45 /* Added for specifying active devices.*/
  46 char *viafb_active_dev;
  47
  48 /*Added for specify lcd output port*/
  49 char *viafb_lcd_port = "";
  50 char *viafb_dvi_port = "";
  51
  52 static void retrieve_device_setting(struct viafb_ioctl_setting
  53         *setting_info);
  54 static int viafb_pan_display(struct fb_var_screeninfo *var,
  55         struct fb_info *info);
  56
  57 static struct fb_ops viafb_ops;
  58
  59 /* supported output devices on each IGP
  60  * only CX700, VX800, VX855 were documented
  61  * VIA_CRT should be everywhere
  62  * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL
  63  * source selection on CX700 and later
  64  * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c
  65  */
  66 static const u32 supported_odev_map[] = {
  67         [UNICHROME_CLE266]      = VIA_CRT | VIA_6C | VIA_93,
  68         [UNICHROME_K400]        = VIA_CRT | VIA_96 | VIA_DVP1 | VIA_LVDS1
  69                                 | VIA_LVDS2,
  70         [UNICHROME_K800]        = VIA_CRT | VIA_96 | VIA_DVP1 | VIA_LVDS1
  71                                 | VIA_LVDS2,
  72         [UNICHROME_PM800]       = VIA_CRT | VIA_96 | VIA_DVP1 | VIA_LVDS1
  73                                 | VIA_LVDS2,
  74         [UNICHROME_CN700]       = VIA_CRT | VIA_96 | VIA_DVP1 | VIA_LVDS1
  75                                 | VIA_LVDS2,
  76         [UNICHROME_CX700]       = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  77         [UNICHROME_CN750]       = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  78         [UNICHROME_K8M890]      = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  79         [UNICHROME_P4M890]      = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  80         [UNICHROME_P4M900]      = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  81         [UNICHROME_VX800]       = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  82         [UNICHROME_VX855]       = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  83 };
  84
  85 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
  86 {
  87         var->grayscale = 0;
  88         var->red.msb_right = 0;
  89         var->green.msb_right = 0;
  90         var->blue.msb_right = 0;
  91         var->transp.offset = 0;
  92         var->transp.length = 0;
  93         var->transp.msb_right = 0;
  94         var->nonstd = 0;
  95         switch (depth) {
  96         case 8:
  97                 var->bits_per_pixel = 8;
  98                 var->red.offset = 0;
  99                 var->green.offset = 0;
 100                 var->blue.offset = 0;
 101                 var->red.length = 8;
 102                 var->green.length = 8;
 103                 var->blue.length = 8;
 104                 break;
 105         case 15:
 106                 var->bits_per_pixel = 16;
 107                 var->red.offset = 10;
 108                 var->green.offset = 5;
 109                 var->blue.offset = 0;
 110                 var->red.length = 5;
 111                 var->green.length = 5;
 112                 var->blue.length = 5;
 113                 break;
 114         case 16:
 115                 var->bits_per_pixel = 16;
 116                 var->red.offset = 11;
 117                 var->green.offset = 5;
 118                 var->blue.offset = 0;
 119                 var->red.length = 5;
 120                 var->green.length = 6;
 121                 var->blue.length = 5;
 122                 break;
 123         case 24:
 124                 var->bits_per_pixel = 32;
 125                 var->red.offset = 16;
 126                 var->green.offset = 8;
 127                 var->blue.offset = 0;
 128                 var->red.length = 8;
 129                 var->green.length = 8;
 130                 var->blue.length = 8;
 131                 break;
 132         case 30:
 133                 var->bits_per_pixel = 32;
 134                 var->red.offset = 20;
 135                 var->green.offset = 10;
 136                 var->blue.offset = 0;
 137                 var->red.length = 10;
 138                 var->green.length = 10;
 139                 var->blue.length = 10;
 140                 break;
 141         }
 142 }
 143
 144 static void viafb_update_fix(struct fb_info *info)
 145 {
 146         u32 bpp = info->var.bits_per_pixel;
 147
 148         info->fix.visual =
 149                 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
 150         info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
 151 }
 152
 153 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
 154         struct viafb_par *viaparinfo)
 155 {
 156         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
 157         strcpy(fix->id, viafb_name);
 158
 159         fix->smem_start = viaparinfo->fbmem;
 160         fix->smem_len = viaparinfo->fbmem_free;
 161
 162         fix->type = FB_TYPE_PACKED_PIXELS;
 163         fix->type_aux = 0;
 164         fix->visual = FB_VISUAL_TRUECOLOR;
 165
 166         fix->xpanstep = fix->ywrapstep = 0;
 167         fix->ypanstep = 1;
 168
 169         /* Just tell the accel name */
 170         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
 171 }
 172 static int viafb_open(struct fb_info *info, int user)
 173 {
 174         DEBUG_MSG(KERN_INFO "viafb_open!\n");
 175         return 0;
 176 }
 177
 178 static int viafb_release(struct fb_info *info, int user)
 179 {
 180         DEBUG_MSG(KERN_INFO "viafb_release!\n");
 181         return 0;
 182 }
 183
 184 static int viafb_check_var(struct fb_var_screeninfo *var,
 185         struct fb_info *info)
 186 {
 187         int htotal, vtotal, depth;
 188         struct VideoModeTable *vmode_entry;
 189         struct viafb_par *ppar = info->par;
 190         u32 long_refresh, line;
 191
 192         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 193         /* Sanity check */
 194         /* HW neither support interlacte nor double-scaned mode */
 195         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 196                 return -EINVAL;
 197
 198         vmode_entry = viafb_get_mode(var->xres, var->yres);
 199         if (!vmode_entry) {
 200                 DEBUG_MSG(KERN_INFO
 201                           "viafb: Mode %dx%dx%d not supported!!\n",
 202                           var->xres, var->yres, var->bits_per_pixel);
 203                 return -EINVAL;
 204         }
 205
 206         depth = fb_get_color_depth(var, &info->fix);
 207         if (!depth)
 208                 depth = var->bits_per_pixel;
 209
 210         if (depth < 0 || depth > 32)
 211                 return -EINVAL;
 212         else if (!depth)
 213                 depth = 24;
 214         else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
 215                 depth = 15;
 216         else if (depth == 30)
 217                 depth = 30;
 218         else if (depth <= 8)
 219                 depth = 8;
 220         else if (depth <= 16)
 221                 depth = 16;
 222         else
 223                 depth = 24;
 224
 225         viafb_fill_var_color_info(var, depth);
 226         line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
 227         if (line * var->yres_virtual > ppar->memsize)
 228                 return -EINVAL;
 229
 230         /* Based on var passed in to calculate the refresh,
 231          * because our driver use some modes special.
 232          */
 233         htotal = var->xres + var->left_margin +
 234         var->right_margin + var->hsync_len;
 235         vtotal = var->yres + var->upper_margin +
 236                 var->lower_margin + var->vsync_len;
 237         long_refresh = 1000000000UL / var->pixclock * 1000;
 238         long_refresh /= (htotal * vtotal);
 239
 240         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 241
 242         /* Adjust var according to our driver's own table */
 243         viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
 244         if (var->accel_flags & FB_ACCELF_TEXT &&
 245                 !ppar->shared->vdev->engine_mmio)
 246                 var->accel_flags = 0;
 247
 248         return 0;
 249 }
 250
 251 static int viafb_set_par(struct fb_info *info)
 252 {
 253         struct viafb_par *viapar = info->par;
 254         struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
 255         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 256
 257         viafb_update_fix(info);
 258         viapar->depth = fb_get_color_depth(&info->var, &info->fix);
 259         viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
 260                 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
 261
 262         vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
 263         if (viafb_dual_fb) {
 264                 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
 265                         viafbinfo1->var.yres);
 266                 viafb_update_device_setting(viafbinfo1->var.xres,
 267                         viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
 268                         viafb_refresh1, 1);
 269         } else if (viafb_SAMM_ON == 1) {
 270                 DEBUG_MSG(KERN_INFO
 271                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 272                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 273                 vmode_entry1 = viafb_get_mode(viafb_second_xres,
 274                         viafb_second_yres);
 275
 276                 viafb_update_device_setting(viafb_second_xres,
 277                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 278         }
 279
 280         if (vmode_entry) {
 281                 if (viafb_dual_fb && viapar->iga_path == IGA2)
 282                         viafb_bpp1 = info->var.bits_per_pixel;
 283                 else
 284                         viafb_bpp = info->var.bits_per_pixel;
 285
 286                 if (info->var.accel_flags & FB_ACCELF_TEXT)
 287                         info->flags &= ~FBINFO_HWACCEL_DISABLED;
 288                 else
 289                         info->flags |= FBINFO_HWACCEL_DISABLED;
 290                 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
 291                         vmode_entry1, viafb_bpp1);
 292                 viafb_pan_display(&info->var, info);
 293         }
 294
 295         return 0;
 296 }
 297
 298 /* Set one color register */
 299 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 300 unsigned blue, unsigned transp, struct fb_info *info)
 301 {
 302         struct viafb_par *viapar = info->par;
 303         u32 r, g, b;
 304
 305         if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
 306                 if (regno > 255)
 307                         return -EINVAL;
 308
 309                 if (!viafb_dual_fb || viapar->iga_path == IGA1)
 310                         viafb_set_primary_color_register(regno, red >> 8,
 311                                 green >> 8, blue >> 8);
 312
 313                 if (!viafb_dual_fb || viapar->iga_path == IGA2)
 314                         viafb_set_secondary_color_register(regno, red >> 8,
 315                                 green >> 8, blue >> 8);
 316         } else {
 317                 if (regno > 15)
 318                         return -EINVAL;
 319
 320                 r = (red >> (16 - info->var.red.length))
 321                         << info->var.red.offset;
 322                 b = (blue >> (16 - info->var.blue.length))
 323                         << info->var.blue.offset;
 324                 g = (green >> (16 - info->var.green.length))
 325                         << info->var.green.offset;
 326                 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
 327         }
 328
 329         return 0;
 330 }
 331
 332 static int viafb_pan_display(struct fb_var_screeninfo *var,
 333         struct fb_info *info)
 334 {
 335         struct viafb_par *viapar = info->par;
 336         u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
 337                 * (var->bits_per_pixel / 8) + viapar->vram_addr;
 338
 339         DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
 340         if (!viafb_dual_fb) {
 341                 via_set_primary_address(vram_addr);
 342                 via_set_secondary_address(vram_addr);
 343         } else if (viapar->iga_path == IGA1)
 344                 via_set_primary_address(vram_addr);
 345         else
 346                 via_set_secondary_address(vram_addr);
 347
 348         return 0;
 349 }
 350
 351 static int viafb_blank(int blank_mode, struct fb_info *info)
 352 {
 353         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 354         /* clear DPMS setting */
 355
 356         switch (blank_mode) {
 357         case FB_BLANK_UNBLANK:
 358                 /* Screen: On, HSync: On, VSync: On */
 359                 /* control CRT monitor power management */
 360                 via_set_state(VIA_CRT, VIA_STATE_ON);
 361                 break;
 362         case FB_BLANK_HSYNC_SUSPEND:
 363                 /* Screen: Off, HSync: Off, VSync: On */
 364                 /* control CRT monitor power management */
 365                 via_set_state(VIA_CRT, VIA_STATE_STANDBY);
 366                 break;
 367         case FB_BLANK_VSYNC_SUSPEND:
 368                 /* Screen: Off, HSync: On, VSync: Off */
 369                 /* control CRT monitor power management */
 370                 via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
 371                 break;
 372         case FB_BLANK_POWERDOWN:
 373                 /* Screen: Off, HSync: Off, VSync: Off */
 374                 /* control CRT monitor power management */
 375                 via_set_state(VIA_CRT, VIA_STATE_OFF);
 376                 break;
 377         }
 378
 379         return 0;
 380 }
 381
 382 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 383 {
 384         union {
 385                 struct viafb_ioctl_mode viamode;
 386                 struct viafb_ioctl_samm viasamm;
 387                 struct viafb_driver_version driver_version;
 388                 struct fb_var_screeninfo sec_var;
 389                 struct _panel_size_pos_info panel_pos_size_para;
 390                 struct viafb_ioctl_setting viafb_setting;
 391                 struct device_t active_dev;
 392         } u;
 393         u32 state_info = 0;
 394         u32 *viafb_gamma_table;
 395         char driver_name[] = "viafb";
 396
 397         u32 __user *argp = (u32 __user *) arg;
 398         u32 gpu32;
 399
 400         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 401         printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
 402         memset(&u, 0, sizeof(u));
 403
 404         switch (cmd) {
 405         case VIAFB_GET_CHIP_INFO:
 406                 if (copy_to_user(argp, viaparinfo->chip_info,
 407                                 sizeof(struct chip_information)))
 408                         return -EFAULT;
 409                 break;
 410         case VIAFB_GET_INFO_SIZE:
 411                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 412         case VIAFB_GET_INFO:
 413                 return viafb_ioctl_get_viafb_info(arg);
 414         case VIAFB_HOTPLUG:
 415                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 416                                               info->var.yres,
 417                                               info->var.bits_per_pixel), argp);
 418         case VIAFB_SET_HOTPLUG_FLAG:
 419                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 420                         return -EFAULT;
 421                 viafb_hotplug = (gpu32) ? 1 : 0;
 422                 break;
 423         case VIAFB_GET_RESOLUTION:
 424                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 425                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 426                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 427                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 428                 if (viafb_SAMM_ON == 1) {
 429                         u.viamode.xres_sec = viafb_second_xres;
 430                         u.viamode.yres_sec = viafb_second_yres;
 431                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 432                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 433                         u.viamode.refresh_sec = viafb_refresh1;
 434                         u.viamode.bpp_sec = viafb_bpp1;
 435                 } else {
 436                         u.viamode.xres_sec = 0;
 437                         u.viamode.yres_sec = 0;
 438                         u.viamode.virtual_xres_sec = 0;
 439                         u.viamode.virtual_yres_sec = 0;
 440                         u.viamode.refresh_sec = 0;
 441                         u.viamode.bpp_sec = 0;
 442                 }
 443                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 444                         return -EFAULT;
 445                 break;
 446         case VIAFB_GET_SAMM_INFO:
 447                 u.viasamm.samm_status = viafb_SAMM_ON;
 448
 449                 if (viafb_SAMM_ON == 1) {
 450                         if (viafb_dual_fb) {
 451                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 452                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 453                         } else {
 454                                 if (viafb_second_size) {
 455                                         u.viasamm.size_prim =
 456                                             viaparinfo->fbmem_free -
 457                                             viafb_second_size * 1024 * 1024;
 458                                         u.viasamm.size_sec =
 459                                             viafb_second_size * 1024 * 1024;
 460                                 } else {
 461                                         u.viasamm.size_prim =
 462                                             viaparinfo->fbmem_free >> 1;
 463                                         u.viasamm.size_sec =
 464                                             (viaparinfo->fbmem_free >> 1);
 465                                 }
 466                         }
 467                         u.viasamm.mem_base = viaparinfo->fbmem;
 468                         u.viasamm.offset_sec = viafb_second_offset;
 469                 } else {
 470                         u.viasamm.size_prim =
 471                             viaparinfo->memsize - viaparinfo->fbmem_used;
 472                         u.viasamm.size_sec = 0;
 473                         u.viasamm.mem_base = viaparinfo->fbmem;
 474                         u.viasamm.offset_sec = 0;
 475                 }
 476
 477                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 478                         return -EFAULT;
 479
 480                 break;
 481         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 482                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 483                         return -EFAULT;
 484                 if (gpu32 & CRT_Device)
 485                         via_set_state(VIA_CRT, VIA_STATE_ON);
 486                 if (gpu32 & DVI_Device)
 487                         viafb_dvi_enable();
 488                 if (gpu32 & LCD_Device)
 489                         viafb_lcd_enable();
 490                 break;
 491         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 492                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 493                         return -EFAULT;
 494                 if (gpu32 & CRT_Device)
 495                         via_set_state(VIA_CRT, VIA_STATE_OFF);
 496                 if (gpu32 & DVI_Device)
 497                         viafb_dvi_disable();
 498                 if (gpu32 & LCD_Device)
 499                         viafb_lcd_disable();
 500                 break;
 501         case VIAFB_GET_DEVICE:
 502                 u.active_dev.crt = viafb_CRT_ON;
 503                 u.active_dev.dvi = viafb_DVI_ON;
 504                 u.active_dev.lcd = viafb_LCD_ON;
 505                 u.active_dev.samm = viafb_SAMM_ON;
 506                 u.active_dev.primary_dev = viafb_primary_dev;
 507
 508                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 509                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 510                 u.active_dev.lcd_mode = viafb_lcd_mode;
 511
 512                 u.active_dev.xres = viafb_hotplug_Xres;
 513                 u.active_dev.yres = viafb_hotplug_Yres;
 514
 515                 u.active_dev.xres1 = viafb_second_xres;
 516                 u.active_dev.yres1 = viafb_second_yres;
 517
 518                 u.active_dev.bpp = viafb_bpp;
 519                 u.active_dev.bpp1 = viafb_bpp1;
 520                 u.active_dev.refresh = viafb_refresh;
 521                 u.active_dev.refresh1 = viafb_refresh1;
 522
 523                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 524                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 525                 u.active_dev.bus_width = viafb_bus_width;
 526
 527                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 528                         return -EFAULT;
 529                 break;
 530
 531         case VIAFB_GET_DRIVER_VERSION:
 532                 u.driver_version.iMajorNum = VERSION_MAJOR;
 533                 u.driver_version.iKernelNum = VERSION_KERNEL;
 534                 u.driver_version.iOSNum = VERSION_OS;
 535                 u.driver_version.iMinorNum = VERSION_MINOR;
 536
 537                 if (copy_to_user(argp, &u.driver_version,
 538                         sizeof(u.driver_version)))
 539                         return -EFAULT;
 540
 541                 break;
 542
 543         case VIAFB_GET_DEVICE_INFO:
 544
 545                 retrieve_device_setting(&u.viafb_setting);
 546
 547                 if (copy_to_user(argp, &u.viafb_setting,
 548                                  sizeof(u.viafb_setting)))
 549                         return -EFAULT;
 550
 551                 break;
 552
 553         case VIAFB_GET_DEVICE_SUPPORT:
 554                 viafb_get_device_support_state(&state_info);
 555                 if (put_user(state_info, argp))
 556                         return -EFAULT;
 557                 break;
 558
 559         case VIAFB_GET_DEVICE_CONNECT:
 560                 viafb_get_device_connect_state(&state_info);
 561                 if (put_user(state_info, argp))
 562                         return -EFAULT;
 563                 break;
 564
 565         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 566                 state_info =
 567                     viafb_lcd_get_support_expand_state(info->var.xres,
 568                                                  info->var.yres);
 569                 if (put_user(state_info, argp))
 570                         return -EFAULT;
 571                 break;
 572
 573         case VIAFB_GET_DRIVER_NAME:
 574                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 575                         return -EFAULT;
 576                 break;
 577
 578         case VIAFB_SET_GAMMA_LUT:
 579                 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
 580                 if (IS_ERR(viafb_gamma_table))
 581                         return PTR_ERR(viafb_gamma_table);
 582                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 583                 kfree(viafb_gamma_table);
 584                 break;
 585
 586         case VIAFB_GET_GAMMA_LUT:
 587                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 588                 if (!viafb_gamma_table)
 589                         return -ENOMEM;
 590                 viafb_get_gamma_table(viafb_gamma_table);
 591                 if (copy_to_user(argp, viafb_gamma_table,
 592                         256 * sizeof(u32))) {
 593                         kfree(viafb_gamma_table);
 594                         return -EFAULT;
 595                 }
 596                 kfree(viafb_gamma_table);
 597                 break;
 598
 599         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 600                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 601                 if (put_user(state_info, argp))
 602                         return -EFAULT;
 603                 break;
 604         case VIAFB_SYNC_SURFACE:
 605                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 606                 break;
 607         case VIAFB_GET_DRIVER_CAPS:
 608                 break;
 609
 610         case VIAFB_GET_PANEL_MAX_SIZE:
 611                 if (copy_from_user(&u.panel_pos_size_para, argp,
 612                                    sizeof(u.panel_pos_size_para)))
 613                         return -EFAULT;
 614                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 615                 if (copy_to_user(argp, &u.panel_pos_size_para,
 616                      sizeof(u.panel_pos_size_para)))
 617                         return -EFAULT;
 618                 break;
 619         case VIAFB_GET_PANEL_MAX_POSITION:
 620                 if (copy_from_user(&u.panel_pos_size_para, argp,
 621                                    sizeof(u.panel_pos_size_para)))
 622                         return -EFAULT;
 623                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 624                 if (copy_to_user(argp, &u.panel_pos_size_para,
 625                                  sizeof(u.panel_pos_size_para)))
 626                         return -EFAULT;
 627                 break;
 628
 629         case VIAFB_GET_PANEL_POSITION:
 630                 if (copy_from_user(&u.panel_pos_size_para, argp,
 631                                    sizeof(u.panel_pos_size_para)))
 632                         return -EFAULT;
 633                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 634                 if (copy_to_user(argp, &u.panel_pos_size_para,
 635                                  sizeof(u.panel_pos_size_para)))
 636                         return -EFAULT;
 637                 break;
 638         case VIAFB_GET_PANEL_SIZE:
 639                 if (copy_from_user(&u.panel_pos_size_para, argp,
 640                                    sizeof(u.panel_pos_size_para)))
 641                         return -EFAULT;
 642                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 643                 if (copy_to_user(argp, &u.panel_pos_size_para,
 644                                  sizeof(u.panel_pos_size_para)))
 645                         return -EFAULT;
 646                 break;
 647
 648         case VIAFB_SET_PANEL_POSITION:
 649                 if (copy_from_user(&u.panel_pos_size_para, argp,
 650                                    sizeof(u.panel_pos_size_para)))
 651                         return -EFAULT;
 652                 break;
 653         case VIAFB_SET_PANEL_SIZE:
 654                 if (copy_from_user(&u.panel_pos_size_para, argp,
 655                                    sizeof(u.panel_pos_size_para)))
 656                         return -EFAULT;
 657                 break;
 658
 659         default:
 660                 return -EINVAL;
 661         }
 662
 663         return 0;
 664 }
 665
 666 static void viafb_fillrect(struct fb_info *info,
 667         const struct fb_fillrect *rect)
 668 {
 669         struct viafb_par *viapar = info->par;
 670         struct viafb_shared *shared = viapar->shared;
 671         u32 fg_color;
 672         u8 rop;
 673
 674         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 675                 cfb_fillrect(info, rect);
 676                 return;
 677         }
 678
 679         if (!rect->width || !rect->height)
 680                 return;
 681
 682         if (info->fix.visual == FB_VISUAL_TRUECOLOR)
 683                 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
 684         else
 685                 fg_color = rect->color;
 686
 687         if (rect->rop == ROP_XOR)
 688                 rop = 0x5A;
 689         else
 690                 rop = 0xF0;
 691
 692         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
 693         if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
 694                 rect->width, rect->height, info->var.bits_per_pixel,
 695                 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
 696                 NULL, 0, 0, 0, 0, fg_color, 0, rop))
 697                 cfb_fillrect(info, rect);
 698 }
 699
 700 static void viafb_copyarea(struct fb_info *info,
 701         const struct fb_copyarea *area)
 702 {
 703         struct viafb_par *viapar = info->par;
 704         struct viafb_shared *shared = viapar->shared;
 705
 706         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 707                 cfb_copyarea(info, area);
 708                 return;
 709         }
 710
 711         if (!area->width || !area->height)
 712                 return;
 713
 714         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
 715         if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
 716                 area->width, area->height, info->var.bits_per_pixel,
 717                 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
 718                 NULL, viapar->vram_addr, info->fix.line_length,
 719                 area->sx, area->sy, 0, 0, 0))
 720                 cfb_copyarea(info, area);
 721 }
 722
 723 static void viafb_imageblit(struct fb_info *info,
 724         const struct fb_image *image)
 725 {
 726         struct viafb_par *viapar = info->par;
 727         struct viafb_shared *shared = viapar->shared;
 728         u32 fg_color = 0, bg_color = 0;
 729         u8 op;
 730
 731         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
 732                 (image->depth != 1 && image->depth != viapar->depth)) {
 733                 cfb_imageblit(info, image);
 734                 return;
 735         }
 736
 737         if (image->depth == 1) {
 738                 op = VIA_BITBLT_MONO;
 739                 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
 740                         fg_color =
 741                                 ((u32 *)info->pseudo_palette)[image->fg_color];
 742                         bg_color =
 743                                 ((u32 *)info->pseudo_palette)[image->bg_color];
 744                 } else {
 745                         fg_color = image->fg_color;
 746                         bg_color = image->bg_color;
 747                 }
 748         } else
 749                 op = VIA_BITBLT_COLOR;
 750
 751         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
 752         if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
 753                 image->width, image->height, info->var.bits_per_pixel,
 754                 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
 755                 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
 756                 cfb_imageblit(info, image);
 757 }
 758
 759 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 760 {
 761         struct viafb_par *viapar = info->par;
 762         void __iomem *engine = viapar->shared->vdev->engine_mmio;
 763         u32 temp, xx, yy, bg_color = 0, fg_color = 0,
 764                 chip_name = viapar->shared->chip_info.gfx_chip_name;
 765         int i, j = 0, cur_size = 64;
 766
 767         if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
 768                 return -ENODEV;
 769
 770         /* LCD ouput does not support hw cursors (at least on VN896) */
 771         if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
 772                 viafb_LCD_ON)
 773                 return -ENODEV;
 774
 775         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 776
 777         if (cursor->set & FB_CUR_SETHOT) {
 778                 temp = (cursor->hot.x << 16) + cursor->hot.y;
 779                 writel(temp, engine + VIA_REG_CURSOR_ORG);
 780         }
 781
 782         if (cursor->set & FB_CUR_SETPOS) {
 783                 yy = cursor->image.dy - info->var.yoffset;
 784                 xx = cursor->image.dx - info->var.xoffset;
 785                 temp = yy & 0xFFFF;
 786                 temp |= (xx << 16);
 787                 writel(temp, engine + VIA_REG_CURSOR_POS);
 788         }
 789
 790         if (cursor->image.width <= 32 && cursor->image.height <= 32)
 791                 cur_size = 32;
 792         else if (cursor->image.width <= 64 && cursor->image.height <= 64)
 793                 cur_size = 64;
 794         else {
 795                 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
 796                         "%dx%d", cursor->image.width, cursor->image.height);
 797                 return -ENXIO;
 798         }
 799
 800         if (cursor->set & FB_CUR_SETSIZE) {
 801                 temp = readl(engine + VIA_REG_CURSOR_MODE);
 802                 if (cur_size == 32)
 803                         temp |= 0x2;
 804                 else
 805                         temp &= ~0x2;
 806
 807                 writel(temp, engine + VIA_REG_CURSOR_MODE);
 808         }
 809
 810         if (cursor->set & FB_CUR_SETCMAP) {
 811                 fg_color = cursor->image.fg_color;
 812                 bg_color = cursor->image.bg_color;
 813                 if (chip_name == UNICHROME_CX700 ||
 814                         chip_name == UNICHROME_VX800 ||
 815                         chip_name == UNICHROME_VX855) {
 816                         fg_color =
 817                                 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
 818                                 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
 819                                 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
 820                         bg_color =
 821                                 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
 822                                 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
 823                                 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
 824                 } else {
 825                         fg_color =
 826                                 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
 827                                 (info->cmap.green[fg_color] & 0xFF00) |
 828                                 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
 829                         bg_color =
 830                                 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
 831                                 (info->cmap.green[bg_color] & 0xFF00) |
 832                                 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
 833                 }
 834
 835                 writel(bg_color, engine + VIA_REG_CURSOR_BG);
 836                 writel(fg_color, engine + VIA_REG_CURSOR_FG);
 837         }
 838
 839         if (cursor->set & FB_CUR_SETSHAPE) {
 840                 struct {
 841                         u8 data[CURSOR_SIZE];
 842                         u32 bak[CURSOR_SIZE / 4];
 843                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
 844                 int size = ((cursor->image.width + 7) >> 3) *
 845                         cursor->image.height;
 846
 847                 if (!cr_data)
 848                         return -ENOMEM;
 849
 850                 if (cur_size == 32) {
 851                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 852                                 cr_data->bak[i] = 0x0;
 853                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
 854                                 i += 1;
 855                         }
 856                 } else {
 857                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 858                                 cr_data->bak[i] = 0x0;
 859                                 cr_data->bak[i + 1] = 0x0;
 860                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
 861                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
 862                                 i += 3;
 863                         }
 864                 }
 865
 866                 switch (cursor->rop) {
 867                 case ROP_XOR:
 868                         for (i = 0; i < size; i++)
 869                                 cr_data->data[i] = cursor->mask[i];
 870                         break;
 871                 case ROP_COPY:
 872
 873                         for (i = 0; i < size; i++)
 874                                 cr_data->data[i] = cursor->mask[i];
 875                         break;
 876                 default:
 877                         break;
 878                 }
 879
 880                 if (cur_size == 32) {
 881                         for (i = 0; i < size; i++) {
 882                                 cr_data->bak[j] = (u32) cr_data->data[i];
 883                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
 884                                 j += 2;
 885                         }
 886                 } else {
 887                         for (i = 0; i < size; i++) {
 888                                 cr_data->bak[j] = (u32) cr_data->data[i];
 889                                 cr_data->bak[j + 1] = 0x0;
 890                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
 891                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
 892                                 j += 4;
 893                         }
 894                 }
 895
 896                 memcpy_toio(viafbinfo->screen_base + viapar->shared->
 897                         cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
 898                 kfree(cr_data);
 899         }
 900
 901         if (cursor->enable)
 902                 viafb_show_hw_cursor(info, HW_Cursor_ON);
 903
 904         return 0;
 905 }
 906
 907 static int viafb_sync(struct fb_info *info)
 908 {
 909         if (!(info->flags & FBINFO_HWACCEL_DISABLED))
 910                 viafb_wait_engine_idle(info);
 911         return 0;
 912 }
 913
 914 static int get_primary_device(void)
 915 {
 916         int primary_device = 0;
 917         /* Rule: device on iga1 path are the primary device. */
 918         if (viafb_SAMM_ON) {
 919                 if (viafb_CRT_ON) {
 920                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
 921                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
 922                                         viaparinfo->
 923                                         crt_setting_info->iga_path);
 924                                 primary_device = CRT_Device;
 925                         }
 926                 }
 927                 if (viafb_DVI_ON) {
 928                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
 929                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
 930                                         viaparinfo->
 931                                         tmds_setting_info->iga_path);
 932                                 primary_device = DVI_Device;
 933                         }
 934                 }
 935                 if (viafb_LCD_ON) {
 936                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
 937                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
 938                                         viaparinfo->
 939                                         lvds_setting_info->iga_path);
 940                                 primary_device = LCD_Device;
 941                         }
 942                 }
 943                 if (viafb_LCD2_ON) {
 944                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
 945                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
 946                                         viaparinfo->
 947                                         lvds_setting_info2->iga_path);
 948                                 primary_device = LCD2_Device;
 949                         }
 950                 }
 951         }
 952         return primary_device;
 953 }
 954
 955 static void retrieve_device_setting(struct viafb_ioctl_setting
 956         *setting_info)
 957 {
 958
 959         /* get device status */
 960         if (viafb_CRT_ON == 1)
 961                 setting_info->device_status = CRT_Device;
 962         if (viafb_DVI_ON == 1)
 963                 setting_info->device_status |= DVI_Device;
 964         if (viafb_LCD_ON == 1)
 965                 setting_info->device_status |= LCD_Device;
 966         if (viafb_LCD2_ON == 1)
 967                 setting_info->device_status |= LCD2_Device;
 968
 969         setting_info->samm_status = viafb_SAMM_ON;
 970         setting_info->primary_device = get_primary_device();
 971
 972         setting_info->first_dev_bpp = viafb_bpp;
 973         setting_info->second_dev_bpp = viafb_bpp1;
 974
 975         setting_info->first_dev_refresh = viafb_refresh;
 976         setting_info->second_dev_refresh = viafb_refresh1;
 977
 978         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
 979         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
 980         setting_info->second_dev_hor_res = viafb_second_xres;
 981         setting_info->second_dev_ver_res = viafb_second_yres;
 982
 983         /* Get lcd attributes */
 984         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
 985         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
 986         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
 987 }
 988
 989 static int __init parse_active_dev(void)
 990 {
 991         viafb_CRT_ON = STATE_OFF;
 992         viafb_DVI_ON = STATE_OFF;
 993         viafb_LCD_ON = STATE_OFF;
 994         viafb_LCD2_ON = STATE_OFF;
 995         /* 1. Modify the active status of devices. */
 996         /* 2. Keep the order of devices, so we can set corresponding
 997            IGA path to devices in SAMM case. */
 998         /*    Note: The previous of active_dev is primary device,
 999            and the following is secondary device. */
1000         if (!viafb_active_dev) {
1001                 viafb_CRT_ON = STATE_ON;
1002                 viafb_SAMM_ON = STATE_OFF;
1003         } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1004                 /* CRT+DVI */
1005                 viafb_CRT_ON = STATE_ON;
1006                 viafb_DVI_ON = STATE_ON;
1007                 viafb_primary_dev = CRT_Device;
1008         } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1009                 /* DVI+CRT */
1010                 viafb_CRT_ON = STATE_ON;
1011                 viafb_DVI_ON = STATE_ON;
1012                 viafb_primary_dev = DVI_Device;
1013         } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1014                 /* CRT+LCD */
1015                 viafb_CRT_ON = STATE_ON;
1016                 viafb_LCD_ON = STATE_ON;
1017                 viafb_primary_dev = CRT_Device;
1018         } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1019                 /* LCD+CRT */
1020                 viafb_CRT_ON = STATE_ON;
1021                 viafb_LCD_ON = STATE_ON;
1022                 viafb_primary_dev = LCD_Device;
1023         } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1024                 /* DVI+LCD */
1025                 viafb_DVI_ON = STATE_ON;
1026                 viafb_LCD_ON = STATE_ON;
1027                 viafb_primary_dev = DVI_Device;
1028         } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1029                 /* LCD+DVI */
1030                 viafb_DVI_ON = STATE_ON;
1031                 viafb_LCD_ON = STATE_ON;
1032                 viafb_primary_dev = LCD_Device;
1033         } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1034                 viafb_LCD_ON = STATE_ON;
1035                 viafb_LCD2_ON = STATE_ON;
1036                 viafb_primary_dev = LCD_Device;
1037         } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1038                 viafb_LCD_ON = STATE_ON;
1039                 viafb_LCD2_ON = STATE_ON;
1040                 viafb_primary_dev = LCD2_Device;
1041         } else if (!strcmp(viafb_active_dev, "CRT")) {
1042                 /* CRT only */
1043                 viafb_CRT_ON = STATE_ON;
1044                 viafb_SAMM_ON = STATE_OFF;
1045         } else if (!strcmp(viafb_active_dev, "DVI")) {
1046                 /* DVI only */
1047                 viafb_DVI_ON = STATE_ON;
1048                 viafb_SAMM_ON = STATE_OFF;
1049         } else if (!strcmp(viafb_active_dev, "LCD")) {
1050                 /* LCD only */
1051                 viafb_LCD_ON = STATE_ON;
1052                 viafb_SAMM_ON = STATE_OFF;
1053         } else
1054                 return -EINVAL;
1055
1056         return 0;
1057 }
1058
1059 static int __devinit parse_port(char *opt_str, int *output_interface)
1060 {
1061         if (!strncmp(opt_str, "DVP0", 4))
1062                 *output_interface = INTERFACE_DVP0;
1063         else if (!strncmp(opt_str, "DVP1", 4))
1064                 *output_interface = INTERFACE_DVP1;
1065         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1066                 *output_interface = INTERFACE_DFP;
1067         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1068                 *output_interface = INTERFACE_DFP_HIGH;
1069         else if (!strncmp(opt_str, "DFP_LOW", 7))
1070                 *output_interface = INTERFACE_DFP_LOW;
1071         else
1072                 *output_interface = INTERFACE_NONE;
1073         return 0;
1074 }
1075
1076 static void __devinit parse_lcd_port(void)
1077 {
1078         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1079                 output_interface);
1080         /*Initialize to avoid unexpected behavior */
1081         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1082         INTERFACE_NONE;
1083
1084         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1085                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1086                   output_interface);
1087 }
1088
1089 static void __devinit parse_dvi_port(void)
1090 {
1091         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1092                 output_interface);
1093
1094         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1095                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1096                   output_interface);
1097 }
1098
1099 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1100
1101 /*
1102  * The proc filesystem read/write function, a simple proc implement to
1103  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1104  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1105  * CR9B,    SR65,    CR97,    CR99
1106  */
1107 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1108 {
1109         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1110         dvp0_data_dri =
1111             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1112             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1113         dvp0_clk_dri =
1114             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1115             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1116         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1117         seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1118         return 0;
1119 }
1120
1121 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1122 {
1123         return single_open(file, viafb_dvp0_proc_show, NULL);
1124 }
1125
1126 static ssize_t viafb_dvp0_proc_write(struct file *file,
1127         const char __user *buffer, size_t count, loff_t *pos)
1128 {
1129         char buf[20], *value, *pbuf;
1130         u8 reg_val = 0;
1131         unsigned long length, i;
1132         if (count < 1)
1133                 return -EINVAL;
1134         length = count > 20 ? 20 : count;
1135         if (copy_from_user(&buf[0], buffer, length))
1136                 return -EFAULT;
1137         buf[length - 1] = '\0'; /*Ensure end string */
1138         pbuf = &buf[0];
1139         for (i = 0; i < 3; i++) {
1140                 value = strsep(&pbuf, " ");
1141                 if (value != NULL) {
1142                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1143                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1144                                   reg_val);
1145                         switch (i) {
1146                         case 0:
1147                                 viafb_write_reg_mask(CR96, VIACR,
1148                                         reg_val, 0x0f);
1149                                 break;
1150                         case 1:
1151                                 viafb_write_reg_mask(SR2A, VIASR,
1152                                         reg_val << 4, BIT5);
1153                                 viafb_write_reg_mask(SR1B, VIASR,
1154                                         reg_val << 1, BIT1);
1155                                 break;
1156                         case 2:
1157                                 viafb_write_reg_mask(SR2A, VIASR,
1158                                         reg_val << 3, BIT4);
1159                                 viafb_write_reg_mask(SR1E, VIASR,
1160                                         reg_val << 2, BIT2);
1161                                 break;
1162                         default:
1163                                 break;
1164                         }
1165                 } else {
1166                         break;
1167                 }
1168         }
1169         return count;
1170 }
1171
1172 static const struct file_operations viafb_dvp0_proc_fops = {
1173         .owner          = THIS_MODULE,
1174         .open           = viafb_dvp0_proc_open,
1175         .read           = seq_read,
1176         .llseek         = seq_lseek,
1177         .release        = single_release,
1178         .write          = viafb_dvp0_proc_write,
1179 };
1180
1181 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1182 {
1183         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1184         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1185         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1186         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1187         seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1188         return 0;
1189 }
1190
1191 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1192 {
1193         return single_open(file, viafb_dvp1_proc_show, NULL);
1194 }
1195
1196 static ssize_t viafb_dvp1_proc_write(struct file *file,
1197         const char __user *buffer, size_t count, loff_t *pos)
1198 {
1199         char buf[20], *value, *pbuf;
1200         u8 reg_val = 0;
1201         unsigned long length, i;
1202         if (count < 1)
1203                 return -EINVAL;
1204         length = count > 20 ? 20 : count;
1205         if (copy_from_user(&buf[0], buffer, length))
1206                 return -EFAULT;
1207         buf[length - 1] = '\0'; /*Ensure end string */
1208         pbuf = &buf[0];
1209         for (i = 0; i < 3; i++) {
1210                 value = strsep(&pbuf, " ");
1211                 if (value != NULL) {
1212                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1213                         switch (i) {
1214                         case 0:
1215                                 viafb_write_reg_mask(CR9B, VIACR,
1216                                         reg_val, 0x0f);
1217                                 break;
1218                         case 1:
1219                                 viafb_write_reg_mask(SR65, VIASR,
1220                                         reg_val << 2, 0x0c);
1221                                 break;
1222                         case 2:
1223                                 viafb_write_reg_mask(SR65, VIASR,
1224                                         reg_val, 0x03);
1225                                 break;
1226                         default:
1227                                 break;
1228                         }
1229                 } else {
1230                         break;
1231                 }
1232         }
1233         return count;
1234 }
1235
1236 static const struct file_operations viafb_dvp1_proc_fops = {
1237         .owner          = THIS_MODULE,
1238         .open           = viafb_dvp1_proc_open,
1239         .read           = seq_read,
1240         .llseek         = seq_lseek,
1241         .release        = single_release,
1242         .write          = viafb_dvp1_proc_write,
1243 };
1244
1245 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1246 {
1247         u8 dfp_high = 0;
1248         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1249         seq_printf(m, "%x\n", dfp_high);
1250         return 0;
1251 }
1252
1253 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1254 {
1255         return single_open(file, viafb_dfph_proc_show, NULL);
1256 }
1257
1258 static ssize_t viafb_dfph_proc_write(struct file *file,
1259         const char __user *buffer, size_t count, loff_t *pos)
1260 {
1261         char buf[20];
1262         u8 reg_val = 0;
1263         unsigned long length;
1264         if (count < 1)
1265                 return -EINVAL;
1266         length = count > 20 ? 20 : count;
1267         if (copy_from_user(&buf[0], buffer, length))
1268                 return -EFAULT;
1269         buf[length - 1] = '\0'; /*Ensure end string */
1270         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1271         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1272         return count;
1273 }
1274
1275 static const struct file_operations viafb_dfph_proc_fops = {
1276         .owner          = THIS_MODULE,
1277         .open           = viafb_dfph_proc_open,
1278         .read           = seq_read,
1279         .llseek         = seq_lseek,
1280         .release        = single_release,
1281         .write          = viafb_dfph_proc_write,
1282 };
1283
1284 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1285 {
1286         u8 dfp_low = 0;
1287         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1288         seq_printf(m, "%x\n", dfp_low);
1289         return 0;
1290 }
1291
1292 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1293 {
1294         return single_open(file, viafb_dfpl_proc_show, NULL);
1295 }
1296
1297 static ssize_t viafb_dfpl_proc_write(struct file *file,
1298         const char __user *buffer, size_t count, loff_t *pos)
1299 {
1300         char buf[20];
1301         u8 reg_val = 0;
1302         unsigned long length;
1303         if (count < 1)
1304                 return -EINVAL;
1305         length = count > 20 ? 20 : count;
1306         if (copy_from_user(&buf[0], buffer, length))
1307                 return -EFAULT;
1308         buf[length - 1] = '\0'; /*Ensure end string */
1309         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1310         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1311         return count;
1312 }
1313
1314 static const struct file_operations viafb_dfpl_proc_fops = {
1315         .owner          = THIS_MODULE,
1316         .open           = viafb_dfpl_proc_open,
1317         .read           = seq_read,
1318         .llseek         = seq_lseek,
1319         .release        = single_release,
1320         .write          = viafb_dfpl_proc_write,
1321 };
1322
1323 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1324 {
1325         u8 vt1636_08 = 0, vt1636_09 = 0;
1326         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1327         case VT1636_LVDS:
1328                 vt1636_08 =
1329                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1330                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1331                 vt1636_09 =
1332                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1333                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1334                 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1335                 break;
1336         default:
1337                 break;
1338         }
1339         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1340         case VT1636_LVDS:
1341                 vt1636_08 =
1342                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1343                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1344                 vt1636_09 =
1345                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1346                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1347                 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1348                 break;
1349         default:
1350                 break;
1351         }
1352         return 0;
1353 }
1354
1355 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1356 {
1357         return single_open(file, viafb_vt1636_proc_show, NULL);
1358 }
1359
1360 static ssize_t viafb_vt1636_proc_write(struct file *file,
1361         const char __user *buffer, size_t count, loff_t *pos)
1362 {
1363         char buf[30], *value, *pbuf;
1364         struct IODATA reg_val;
1365         unsigned long length, i;
1366         if (count < 1)
1367                 return -EINVAL;
1368         length = count > 30 ? 30 : count;
1369         if (copy_from_user(&buf[0], buffer, length))
1370                 return -EFAULT;
1371         buf[length - 1] = '\0'; /*Ensure end string */
1372         pbuf = &buf[0];
1373         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1374         case VT1636_LVDS:
1375                 for (i = 0; i < 2; i++) {
1376                         value = strsep(&pbuf, " ");
1377                         if (value != NULL) {
1378                                 strict_strtoul(value, 0,
1379                                         (unsigned long *)&reg_val.Data);
1380                                 switch (i) {
1381                                 case 0:
1382                                         reg_val.Index = 0x08;
1383                                         reg_val.Mask = 0x0f;
1384                                         viafb_gpio_i2c_write_mask_lvds
1385                                             (viaparinfo->lvds_setting_info,
1386                                             &viaparinfo->
1387                                             chip_info->lvds_chip_info,
1388                                              reg_val);
1389                                         break;
1390                                 case 1:
1391                                         reg_val.Index = 0x09;
1392                                         reg_val.Mask = 0x1f;
1393                                         viafb_gpio_i2c_write_mask_lvds
1394                                             (viaparinfo->lvds_setting_info,
1395                                             &viaparinfo->
1396                                             chip_info->lvds_chip_info,
1397                                              reg_val);
1398                                         break;
1399                                 default:
1400                                         break;
1401                                 }
1402                         } else {
1403                                 break;
1404                         }
1405                 }
1406                 break;
1407         default:
1408                 break;
1409         }
1410         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1411         case VT1636_LVDS:
1412                 for (i = 0; i < 2; i++) {
1413                         value = strsep(&pbuf, " ");
1414                         if (value != NULL) {
1415                                 strict_strtoul(value, 0,
1416                                         (unsigned long *)&reg_val.Data);
1417                                 switch (i) {
1418                                 case 0:
1419                                         reg_val.Index = 0x08;
1420                                         reg_val.Mask = 0x0f;
1421                                         viafb_gpio_i2c_write_mask_lvds
1422                                             (viaparinfo->lvds_setting_info2,
1423                                             &viaparinfo->
1424                                             chip_info->lvds_chip_info2,
1425                                              reg_val);
1426                                         break;
1427                                 case 1:
1428                                         reg_val.Index = 0x09;
1429                                         reg_val.Mask = 0x1f;
1430                                         viafb_gpio_i2c_write_mask_lvds
1431                                             (viaparinfo->lvds_setting_info2,
1432                                             &viaparinfo->
1433                                             chip_info->lvds_chip_info2,
1434                                              reg_val);
1435                                         break;
1436                                 default:
1437                                         break;
1438                                 }
1439                         } else {
1440                                 break;
1441                         }
1442                 }
1443                 break;
1444         default:
1445                 break;
1446         }
1447         return count;
1448 }
1449
1450 static const struct file_operations viafb_vt1636_proc_fops = {
1451         .owner          = THIS_MODULE,
1452         .open           = viafb_vt1636_proc_open,
1453         .read           = seq_read,
1454         .llseek         = seq_lseek,
1455         .release        = single_release,
1456         .write          = viafb_vt1636_proc_write,
1457 };
1458
1459 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1460
1461 static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1462 {
1463         via_odev_to_seq(m, supported_odev_map[
1464                 viaparinfo->shared->chip_info.gfx_chip_name]);
1465         return 0;
1466 }
1467
1468 static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
1469 {
1470         return single_open(file, viafb_sup_odev_proc_show, NULL);
1471 }
1472
1473 static const struct file_operations viafb_sup_odev_proc_fops = {
1474         .owner          = THIS_MODULE,
1475         .open           = viafb_sup_odev_proc_open,
1476         .read           = seq_read,
1477         .llseek         = seq_lseek,
1478         .release        = single_release,
1479 };
1480
1481 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1482 {
1483         char buf[64], *ptr = buf;
1484         u32 devices;
1485         bool add, sub;
1486
1487         if (count < 1 || count > 63)
1488                 return -EINVAL;
1489         if (copy_from_user(&buf[0], buffer, count))
1490                 return -EFAULT;
1491         buf[count] = '\0';
1492         add = buf[0] == '+';
1493         sub = buf[0] == '-';
1494         if (add || sub)
1495                 ptr++;
1496         devices = via_parse_odev(ptr, &ptr);
1497         if (*ptr == '\n')
1498                 ptr++;
1499         if (*ptr != 0)
1500                 return -EINVAL;
1501         if (add)
1502                 *odev |= devices;
1503         else if (sub)
1504                 *odev &= ~devices;
1505         else
1506                 *odev = devices;
1507         return count;
1508 }
1509
1510 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1511 {
1512         via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1513         return 0;
1514 }
1515
1516 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1517 {
1518         return single_open(file, viafb_iga1_odev_proc_show, NULL);
1519 }
1520
1521 static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1522         const char __user *buffer, size_t count, loff_t *pos)
1523 {
1524         u32 dev_on, dev_off, dev_old, dev_new;
1525         ssize_t res;
1526
1527         dev_old = dev_new = viaparinfo->shared->iga1_devices;
1528         res = odev_update(buffer, count, &dev_new);
1529         if (res != count)
1530                 return res;
1531         dev_off = dev_old & ~dev_new;
1532         dev_on = dev_new & ~dev_old;
1533         viaparinfo->shared->iga1_devices = dev_new;
1534         viaparinfo->shared->iga2_devices &= ~dev_new;
1535         via_set_state(dev_off, VIA_STATE_OFF);
1536         via_set_source(dev_new, IGA1);
1537         via_set_state(dev_on, VIA_STATE_ON);
1538         return res;
1539 }
1540
1541 static const struct file_operations viafb_iga1_odev_proc_fops = {
1542         .owner          = THIS_MODULE,
1543         .open           = viafb_iga1_odev_proc_open,
1544         .read           = seq_read,
1545         .llseek         = seq_lseek,
1546         .release        = single_release,
1547         .write          = viafb_iga1_odev_proc_write,
1548 };
1549
1550 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1551 {
1552         via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1553         return 0;
1554 }
1555
1556 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1557 {
1558         return single_open(file, viafb_iga2_odev_proc_show, NULL);
1559 }
1560
1561 static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1562         const char __user *buffer, size_t count, loff_t *pos)
1563 {
1564         u32 dev_on, dev_off, dev_old, dev_new;
1565         ssize_t res;
1566
1567         dev_old = dev_new = viaparinfo->shared->iga2_devices;
1568         res = odev_update(buffer, count, &dev_new);
1569         if (res != count)
1570                 return res;
1571         dev_off = dev_old & ~dev_new;
1572         dev_on = dev_new & ~dev_old;
1573         viaparinfo->shared->iga2_devices = dev_new;
1574         viaparinfo->shared->iga1_devices &= ~dev_new;
1575         via_set_state(dev_off, VIA_STATE_OFF);
1576         via_set_source(dev_new, IGA2);
1577         via_set_state(dev_on, VIA_STATE_ON);
1578         return res;
1579 }
1580
1581 static const struct file_operations viafb_iga2_odev_proc_fops = {
1582         .owner          = THIS_MODULE,
1583         .open           = viafb_iga2_odev_proc_open,
1584         .read           = seq_read,
1585         .llseek         = seq_lseek,
1586         .release        = single_release,
1587         .write          = viafb_iga2_odev_proc_write,
1588 };
1589
1590 #define IS_VT1636(lvds_chip)    ((lvds_chip).lvds_chip_name == VT1636_LVDS)
1591 static void viafb_init_proc(struct viafb_shared *shared)
1592 {
1593         struct proc_dir_entry *iga1_entry, *iga2_entry,
1594                 *viafb_entry = proc_mkdir("viafb", NULL);
1595
1596         shared->proc_entry = viafb_entry;
1597         if (viafb_entry) {
1598 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1599                 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
1600                 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
1601                 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
1602                 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
1603                 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1604                         || IS_VT1636(shared->chip_info.lvds_chip_info2))
1605                         proc_create("vt1636", 0, viafb_entry,
1606                                 &viafb_vt1636_proc_fops);
1607 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1608
1609                 proc_create("supported_output_devices", 0, viafb_entry,
1610                         &viafb_sup_odev_proc_fops);
1611                 iga1_entry = proc_mkdir("iga1", viafb_entry);
1612                 shared->iga1_proc_entry = iga1_entry;
1613                 proc_create("output_devices", 0, iga1_entry,
1614                         &viafb_iga1_odev_proc_fops);
1615                 iga2_entry = proc_mkdir("iga2", viafb_entry);
1616                 shared->iga2_proc_entry = iga2_entry;
1617                 proc_create("output_devices", 0, iga2_entry,
1618                         &viafb_iga2_odev_proc_fops);
1619         }
1620 }
1621 static void viafb_remove_proc(struct viafb_shared *shared)
1622 {
1623         struct proc_dir_entry *viafb_entry = shared->proc_entry,
1624                 *iga1_entry = shared->iga1_proc_entry,
1625                 *iga2_entry = shared->iga2_proc_entry;
1626
1627         if (!viafb_entry)
1628                 return;
1629
1630         remove_proc_entry("output_devices", iga2_entry);
1631         remove_proc_entry("iga2", viafb_entry);
1632         remove_proc_entry("output_devices", iga1_entry);
1633         remove_proc_entry("iga1", viafb_entry);
1634         remove_proc_entry("supported_output_devices", viafb_entry);
1635
1636 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1637         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1638         remove_proc_entry("dvp1", viafb_entry);
1639         remove_proc_entry("dfph", viafb_entry);
1640         remove_proc_entry("dfpl", viafb_entry);
1641         if (IS_VT1636(shared->chip_info.lvds_chip_info)
1642                 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1643                 remove_proc_entry("vt1636", viafb_entry);
1644 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1645
1646         remove_proc_entry("viafb", NULL);
1647 }
1648 #undef IS_VT1636
1649
1650 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1651 {
1652         char *ptr;
1653
1654         if (!str) {
1655                 *xres = 640;
1656                 *yres = 480;
1657                 return 0;
1658         }
1659
1660         *xres = simple_strtoul(str, &ptr, 10);
1661         if (ptr[0] != 'x')
1662                 return -EINVAL;
1663
1664         *yres = simple_strtoul(&ptr[1], &ptr, 10);
1665         if (ptr[0])
1666                 return -EINVAL;
1667
1668         return 0;
1669 }
1670
1671
1672 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1673 {
1674         u32 default_xres, default_yres;
1675         struct VideoModeTable *vmode_entry;
1676         struct fb_var_screeninfo default_var;
1677         int rc;
1678         u32 viafb_par_length;
1679
1680         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1681         memset(&default_var, 0, sizeof(default_var));
1682         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1683
1684         /* Allocate fb_info and ***_par here, also including some other needed
1685          * variables
1686         */
1687         viafbinfo = framebuffer_alloc(viafb_par_length +
1688                 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1689                 &vdev->pdev->dev);
1690         if (!viafbinfo) {
1691                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1692                 return -ENOMEM;
1693         }
1694
1695         viaparinfo = (struct viafb_par *)viafbinfo->par;
1696         viaparinfo->shared = viafbinfo->par + viafb_par_length;
1697         viaparinfo->shared->vdev = vdev;
1698         viaparinfo->vram_addr = 0;
1699         viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1700         viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1701         viaparinfo->lvds_setting_info2 =
1702                 &viaparinfo->shared->lvds_setting_info2;
1703         viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1704         viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1705
1706         if (viafb_dual_fb)
1707                 viafb_SAMM_ON = 1;
1708         parse_lcd_port();
1709         parse_dvi_port();
1710
1711         viafb_init_chip_info(vdev->chip_type);
1712         /*
1713          * The framebuffer will have been successfully mapped by
1714          * the core (or we'd not be here), but we still need to
1715          * set up our own accounting.
1716          */
1717         viaparinfo->fbmem = vdev->fbmem_start;
1718         viaparinfo->memsize = vdev->fbmem_len;
1719         viaparinfo->fbmem_free = viaparinfo->memsize;
1720         viaparinfo->fbmem_used = 0;
1721         viafbinfo->screen_base = vdev->fbmem;
1722
1723         viafbinfo->fix.mmio_start = vdev->engine_start;
1724         viafbinfo->fix.mmio_len = vdev->engine_len;
1725         viafbinfo->node = 0;
1726         viafbinfo->fbops = &viafb_ops;
1727         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1728
1729         viafbinfo->pseudo_palette = pseudo_pal;
1730         if (viafb_accel && !viafb_init_engine(viafbinfo)) {
1731                 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1732                         FBINFO_HWACCEL_FILLRECT |  FBINFO_HWACCEL_IMAGEBLIT;
1733                 default_var.accel_flags = FB_ACCELF_TEXT;
1734         } else {
1735                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1736                 default_var.accel_flags = 0;
1737         }
1738
1739         if (viafb_second_size && (viafb_second_size < 8)) {
1740                 viafb_second_offset = viaparinfo->fbmem_free -
1741                         viafb_second_size * 1024 * 1024;
1742         } else {
1743                 viafb_second_size = 8;
1744                 viafb_second_offset = viaparinfo->fbmem_free -
1745                         viafb_second_size * 1024 * 1024;
1746         }
1747
1748         parse_mode(viafb_mode, &default_xres, &default_yres);
1749         vmode_entry = viafb_get_mode(default_xres, default_yres);
1750         if (viafb_SAMM_ON == 1) {
1751                 parse_mode(viafb_mode1, &viafb_second_xres,
1752                         &viafb_second_yres);
1753
1754                 viafb_second_virtual_xres = viafb_second_xres;
1755                 viafb_second_virtual_yres = viafb_second_yres;
1756         }
1757
1758         default_var.xres = default_xres;
1759         default_var.yres = default_yres;
1760         default_var.xres_virtual = default_xres;
1761         default_var.yres_virtual = default_yres;
1762         default_var.bits_per_pixel = viafb_bpp;
1763         default_var.pixclock =
1764             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1765         default_var.left_margin = (default_xres >> 3) & 0xf8;
1766         default_var.right_margin = 32;
1767         default_var.upper_margin = 16;
1768         default_var.lower_margin = 4;
1769         default_var.hsync_len = default_var.left_margin;
1770         default_var.vsync_len = 4;
1771         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1772         viafbinfo->var = default_var;
1773
1774         if (viafb_dual_fb) {
1775                 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1776                                 &vdev->pdev->dev);
1777                 if (!viafbinfo1) {
1778                         printk(KERN_ERR
1779                         "allocate the second framebuffer struct error\n");
1780                         rc = -ENOMEM;
1781                         goto out_fb_release;
1782                 }
1783                 viaparinfo1 = viafbinfo1->par;
1784                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1785                 viaparinfo1->vram_addr = viafb_second_offset;
1786                 viaparinfo1->memsize = viaparinfo->memsize -
1787                         viafb_second_offset;
1788                 viaparinfo->memsize = viafb_second_offset;
1789                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1790
1791                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1792                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1793                         viaparinfo1->fbmem_used;
1794                 viaparinfo->fbmem_free = viaparinfo->memsize;
1795                 viaparinfo->fbmem_used = 0;
1796
1797                 viaparinfo->iga_path = IGA1;
1798                 viaparinfo1->iga_path = IGA2;
1799                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1800                 viafbinfo1->par = viaparinfo1;
1801                 viafbinfo1->screen_base = viafbinfo->screen_base +
1802                         viafb_second_offset;
1803
1804                 default_var.xres = viafb_second_xres;
1805                 default_var.yres = viafb_second_yres;
1806                 default_var.xres_virtual = viafb_second_virtual_xres;
1807                 default_var.yres_virtual = viafb_second_virtual_yres;
1808                 default_var.bits_per_pixel = viafb_bpp1;
1809                 default_var.pixclock =
1810                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
1811                     viafb_refresh);
1812                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
1813                 default_var.right_margin = 32;
1814                 default_var.upper_margin = 16;
1815                 default_var.lower_margin = 4;
1816                 default_var.hsync_len = default_var.left_margin;
1817                 default_var.vsync_len = 4;
1818
1819                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1820                 viafb_check_var(&default_var, viafbinfo1);
1821                 viafbinfo1->var = default_var;
1822                 viafb_update_fix(viafbinfo1);
1823                 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1824                         &viafbinfo1->fix);
1825         }
1826
1827         viafb_check_var(&viafbinfo->var, viafbinfo);
1828         viafb_update_fix(viafbinfo);
1829         viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1830                 &viafbinfo->fix);
1831         default_var.activate = FB_ACTIVATE_NOW;
1832         rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1833         if (rc)
1834                 goto out_fb1_release;
1835
1836         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1837             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1838                 rc = register_framebuffer(viafbinfo1);
1839                 if (rc)
1840                         goto out_dealloc_cmap;
1841         }
1842         rc = register_framebuffer(viafbinfo);
1843         if (rc)
1844                 goto out_fb1_unreg_lcd_cle266;
1845
1846         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1847                         || (viaparinfo->chip_info->gfx_chip_name !=
1848                         UNICHROME_CLE266))) {
1849                 rc = register_framebuffer(viafbinfo1);
1850                 if (rc)
1851                         goto out_fb_unreg;
1852         }
1853         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1854                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1855                   default_var.yres, default_var.bits_per_pixel);
1856
1857         viafb_init_proc(viaparinfo->shared);
1858         viafb_init_dac(IGA2);
1859         return 0;
1860
1861 out_fb_unreg:
1862         unregister_framebuffer(viafbinfo);
1863 out_fb1_unreg_lcd_cle266:
1864         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1865             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1866                 unregister_framebuffer(viafbinfo1);
1867 out_dealloc_cmap:
1868         fb_dealloc_cmap(&viafbinfo->cmap);
1869 out_fb1_release:
1870         if (viafbinfo1)
1871                 framebuffer_release(viafbinfo1);
1872 out_fb_release:
1873         framebuffer_release(viafbinfo);
1874         return rc;
1875 }
1876
1877 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1878 {
1879         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1880         fb_dealloc_cmap(&viafbinfo->cmap);
1881         unregister_framebuffer(viafbinfo);
1882         if (viafb_dual_fb)
1883                 unregister_framebuffer(viafbinfo1);
1884         viafb_remove_proc(viaparinfo->shared);
1885         framebuffer_release(viafbinfo);
1886         if (viafb_dual_fb)
1887                 framebuffer_release(viafbinfo1);
1888 }
1889
1890 #ifndef MODULE
1891 static int __init viafb_setup(char *options)
1892 {
1893         char *this_opt;
1894         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1895
1896         if (!options || !*options)
1897                 return 0;
1898
1899         while ((this_opt = strsep(&options, ",")) != NULL) {
1900                 if (!*this_opt)
1901                         continue;
1902
1903                 if (!strncmp(this_opt, "viafb_mode1=", 12))
1904                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1905                 else if (!strncmp(this_opt, "viafb_mode=", 11))
1906                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1907                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1908                         strict_strtoul(this_opt + 11, 0,
1909                                 (unsigned long *)&viafb_bpp1);
1910                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
1911                         strict_strtoul(this_opt + 10, 0,
1912                                 (unsigned long *)&viafb_bpp);
1913                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
1914                         strict_strtoul(this_opt + 15, 0,
1915                                 (unsigned long *)&viafb_refresh1);
1916                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
1917                         strict_strtoul(this_opt + 14, 0,
1918                                 (unsigned long *)&viafb_refresh);
1919                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
1920                         strict_strtoul(this_opt + 21, 0,
1921                                 (unsigned long *)&viafb_lcd_dsp_method);
1922                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
1923                         strict_strtoul(this_opt + 19, 0,
1924                                 (unsigned long *)&viafb_lcd_panel_id);
1925                 else if (!strncmp(this_opt, "viafb_accel=", 12))
1926                         strict_strtoul(this_opt + 12, 0,
1927                                 (unsigned long *)&viafb_accel);
1928                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
1929                         strict_strtoul(this_opt + 14, 0,
1930                                 (unsigned long *)&viafb_SAMM_ON);
1931                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
1932                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1933                 else if (!strncmp(this_opt,
1934                         "viafb_display_hardware_layout=", 30))
1935                         strict_strtoul(this_opt + 30, 0,
1936                         (unsigned long *)&viafb_display_hardware_layout);
1937                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
1938                         strict_strtoul(this_opt + 18, 0,
1939                                 (unsigned long *)&viafb_second_size);
1940                 else if (!strncmp(this_opt,
1941                         "viafb_platform_epia_dvi=", 24))
1942                         strict_strtoul(this_opt + 24, 0,
1943                                 (unsigned long *)&viafb_platform_epia_dvi);
1944                 else if (!strncmp(this_opt,
1945                         "viafb_device_lcd_dualedge=", 26))
1946                         strict_strtoul(this_opt + 26, 0,
1947                                 (unsigned long *)&viafb_device_lcd_dualedge);
1948                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
1949                         strict_strtoul(this_opt + 16, 0,
1950                                 (unsigned long *)&viafb_bus_width);
1951                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
1952                         strict_strtoul(this_opt + 15, 0,
1953                                 (unsigned long *)&viafb_lcd_mode);
1954                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
1955                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
1956                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
1957                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
1958         }
1959         return 0;
1960 }
1961 #endif
1962
1963 /*
1964  * These are called out of via-core for now.
1965  */
1966 int __init viafb_init(void)
1967 {
1968         u32 dummy;
1969 #ifndef MODULE
1970         char *option = NULL;
1971         if (fb_get_options("viafb", &option))
1972                 return -ENODEV;
1973         viafb_setup(option);
1974 #endif
1975         if (parse_mode(viafb_mode, &dummy, &dummy)
1976                 || parse_mode(viafb_mode1, &dummy, &dummy)
1977                 || viafb_bpp < 0 || viafb_bpp > 32
1978                 || viafb_bpp1 < 0 || viafb_bpp1 > 32
1979                 || parse_active_dev())
1980                 return -EINVAL;
1981
1982         printk(KERN_INFO
1983        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
1984                VERSION_MAJOR, VERSION_MINOR);
1985         return 0;
1986 }
1987
1988 void __exit viafb_exit(void)
1989 {
1990         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
1991 }
1992
1993 static struct fb_ops viafb_ops = {
1994         .owner = THIS_MODULE,
1995         .fb_open = viafb_open,
1996         .fb_release = viafb_release,
1997         .fb_check_var = viafb_check_var,
1998         .fb_set_par = viafb_set_par,
1999         .fb_setcolreg = viafb_setcolreg,
2000         .fb_pan_display = viafb_pan_display,
2001         .fb_blank = viafb_blank,
2002         .fb_fillrect = viafb_fillrect,
2003         .fb_copyarea = viafb_copyarea,
2004         .fb_imageblit = viafb_imageblit,
2005         .fb_cursor = viafb_cursor,
2006         .fb_ioctl = viafb_ioctl,
2007         .fb_sync = viafb_sync,
2008 };
2009
2010
2011 #ifdef MODULE
2012 module_param(viafb_mode, charp, S_IRUSR);
2013 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2014
2015 module_param(viafb_mode1, charp, S_IRUSR);
2016 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2017
2018 module_param(viafb_bpp, int, S_IRUSR);
2019 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2020
2021 module_param(viafb_bpp1, int, S_IRUSR);
2022 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2023
2024 module_param(viafb_refresh, int, S_IRUSR);
2025 MODULE_PARM_DESC(viafb_refresh,
2026         "Set CRT viafb_refresh rate (default = 60)");
2027
2028 module_param(viafb_refresh1, int, S_IRUSR);
2029 MODULE_PARM_DESC(viafb_refresh1,
2030         "Set CRT refresh rate (default = 60)");
2031
2032 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2033 MODULE_PARM_DESC(viafb_lcd_panel_id,
2034         "Set Flat Panel type(Default=1024x768)");
2035
2036 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2037 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2038         "Set Flat Panel display scaling method.(Default=Expandsion)");
2039
2040 module_param(viafb_SAMM_ON, int, S_IRUSR);
2041 MODULE_PARM_DESC(viafb_SAMM_ON,
2042         "Turn on/off flag of SAMM(Default=OFF)");
2043
2044 module_param(viafb_accel, int, S_IRUSR);
2045 MODULE_PARM_DESC(viafb_accel,
2046         "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2047
2048 module_param(viafb_active_dev, charp, S_IRUSR);
2049 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2050
2051 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2052 MODULE_PARM_DESC(viafb_display_hardware_layout,
2053         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2054
2055 module_param(viafb_second_size, int, S_IRUSR);
2056 MODULE_PARM_DESC(viafb_second_size,
2057         "Set secondary device memory size");
2058
2059 module_param(viafb_dual_fb, int, S_IRUSR);
2060 MODULE_PARM_DESC(viafb_dual_fb,
2061         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2062
2063 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2064 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2065         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2066
2067 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2068 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2069         "Turn on/off flag of dual edge panel.(Default = OFF)");
2070
2071 module_param(viafb_bus_width, int, S_IRUSR);
2072 MODULE_PARM_DESC(viafb_bus_width,
2073         "Set bus width of panel.(Default = 12)");
2074
2075 module_param(viafb_lcd_mode, int, S_IRUSR);
2076 MODULE_PARM_DESC(viafb_lcd_mode,
2077         "Set Flat Panel mode(Default=OPENLDI)");
2078
2079 module_param(viafb_lcd_port, charp, S_IRUSR);
2080 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2081
2082 module_param(viafb_dvi_port, charp, S_IRUSR);
2083 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2084
2085 MODULE_LICENSE("GPL");
2086 #endif