drivers/video/via/viafbdev.c

   1 /*
   2  * Copyright 1998-2008 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/stat.h>
  25 #define _MASTER_FILE
  26
  27 #include "global.h"
  28
  29 static struct fb_var_screeninfo default_var;
  30 static char *viafb_name = "Via";
  31 static u32 pseudo_pal[17];
  32
  33 /* video mode */
  34 static char *viafb_mode = "640x480";
  35 static char *viafb_mode1 = "640x480";
  36
  37 static int viafb_accel = 1;
  38
  39 /* Added for specifying active devices.*/
  40 char *viafb_active_dev = "";
  41
  42 /*Added for specify lcd output port*/
  43 char *viafb_lcd_port = "";
  44 char *viafb_dvi_port = "";
  45
  46 static void viafb_set_device(struct device_t active_dev);
  47 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
  48                          struct fb_info *info);
  49 static void apply_second_mode_setting(struct fb_var_screeninfo
  50         *sec_var);
  51 static void retrieve_device_setting(struct viafb_ioctl_setting
  52         *setting_info);
  53
  54 static struct fb_ops viafb_ops;
  55
  56
  57 static void viafb_update_fix(struct fb_info *info)
  58 {
  59         u32 bpp = info->var.bits_per_pixel;
  60
  61         info->fix.visual =
  62                 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
  63         info->fix.line_length =
  64                 ((info->var.xres_virtual + 7) & ~7) * bpp / 8;
  65 }
  66
  67 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
  68         struct viafb_par *viaparinfo)
  69 {
  70         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
  71         strcpy(fix->id, viafb_name);
  72
  73         fix->smem_start = viaparinfo->fbmem;
  74         fix->smem_len = viaparinfo->fbmem_free;
  75
  76         fix->type = FB_TYPE_PACKED_PIXELS;
  77         fix->type_aux = 0;
  78
  79         fix->xpanstep = fix->ywrapstep = 0;
  80         fix->ypanstep = 1;
  81
  82         /* Just tell the accel name */
  83         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
  84 }
  85 static int viafb_open(struct fb_info *info, int user)
  86 {
  87         DEBUG_MSG(KERN_INFO "viafb_open!\n");
  88         return 0;
  89 }
  90
  91 static int viafb_release(struct fb_info *info, int user)
  92 {
  93         DEBUG_MSG(KERN_INFO "viafb_release!\n");
  94         return 0;
  95 }
  96
  97 static int viafb_check_var(struct fb_var_screeninfo *var,
  98         struct fb_info *info)
  99 {
 100         int vmode_index, htotal, vtotal;
 101         struct viafb_par *ppar = info->par;
 102         u32 long_refresh;
 103
 104         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 105         /* Sanity check */
 106         /* HW neither support interlacte nor double-scaned mode */
 107         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 108                 return -EINVAL;
 109
 110         vmode_index = viafb_get_mode_index(var->xres, var->yres);
 111         if (vmode_index == VIA_RES_INVALID) {
 112                 DEBUG_MSG(KERN_INFO
 113                           "viafb: Mode %dx%dx%d not supported!!\n",
 114                           var->xres, var->yres, var->bits_per_pixel);
 115                 return -EINVAL;
 116         }
 117
 118         if (24 == var->bits_per_pixel)
 119                 var->bits_per_pixel = 32;
 120
 121         if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
 122                 var->bits_per_pixel != 32)
 123                 return -EINVAL;
 124
 125         if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
 126                 /*32 pixel alignment */
 127                 var->xres_virtual = (var->xres_virtual + 31) & ~31;
 128         if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
 129                 ppar->memsize)
 130                 return -EINVAL;
 131
 132         /* Based on var passed in to calculate the refresh,
 133          * because our driver use some modes special.
 134          */
 135         htotal = var->xres + var->left_margin +
 136         var->right_margin + var->hsync_len;
 137         vtotal = var->yres + var->upper_margin +
 138                 var->lower_margin + var->vsync_len;
 139         long_refresh = 1000000000UL / var->pixclock * 1000;
 140         long_refresh /= (htotal * vtotal);
 141
 142         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 143
 144         /* Adjust var according to our driver's own table */
 145         viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
 146         if (info->var.accel_flags & FB_ACCELF_TEXT &&
 147                 !ppar->shared->engine_mmio)
 148                 info->var.accel_flags = 0;
 149
 150         return 0;
 151 }
 152
 153 static int viafb_set_par(struct fb_info *info)
 154 {
 155         struct viafb_par *viapar = info->par;
 156         int vmode_index;
 157         int vmode_index1 = 0;
 158         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 159
 160         viapar->depth = fb_get_color_depth(&info->var, &info->fix);
 161         viafb_update_device_setting(info->var.xres, info->var.yres,
 162                               info->var.bits_per_pixel, viafb_refresh, 0);
 163
 164         vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
 165
 166         if (viafb_SAMM_ON == 1) {
 167                 DEBUG_MSG(KERN_INFO
 168                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 169                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 170                 vmode_index1 = viafb_get_mode_index(viafb_second_xres,
 171                         viafb_second_yres);
 172                 DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
 173                         vmode_index1);
 174
 175                 viafb_update_device_setting(viafb_second_xres,
 176                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 177         }
 178
 179         if (vmode_index != VIA_RES_INVALID) {
 180                 viafb_update_fix(info);
 181                 viafb_bpp = info->var.bits_per_pixel;
 182                 if (info->var.accel_flags & FB_ACCELF_TEXT)
 183                         info->flags &= ~FBINFO_HWACCEL_DISABLED;
 184                 else
 185                         info->flags |= FBINFO_HWACCEL_DISABLED;
 186                 viafb_setmode(vmode_index, info->var.xres, info->var.yres,
 187                         info->var.bits_per_pixel, vmode_index1,
 188                         viafb_second_xres, viafb_second_yres, viafb_bpp1);
 189         }
 190
 191         return 0;
 192 }
 193
 194 /* Set one color register */
 195 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 196 unsigned blue, unsigned transp, struct fb_info *info)
 197 {
 198         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 199         unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
 200         DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
 201         if (regno >= cmap_entries)
 202                 return 1;
 203         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 204                 /*
 205                  * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
 206                  */
 207                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 208                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 209         }
 210         switch (info->var.bits_per_pixel) {
 211         case 8:
 212                 outb(0x1A, 0x3C4);
 213                 sr1a = inb(0x3C5);
 214                 outb(0x1B, 0x3C4);
 215                 sr1b = inb(0x3C5);
 216                 outb(0x67, 0x3D4);
 217                 cr67 = inb(0x3D5);
 218                 outb(0x6A, 0x3D4);
 219                 cr6a = inb(0x3D5);
 220
 221                 /* Map the 3C6/7/8/9 to the IGA2 */
 222                 outb(0x1A, 0x3C4);
 223                 outb(sr1a | 0x01, 0x3C5);
 224                 /* Second Display Engine colck always on */
 225                 outb(0x1B, 0x3C4);
 226                 outb(sr1b | 0x80, 0x3C5);
 227                 /* Second Display Color Depth 8 */
 228                 outb(0x67, 0x3D4);
 229                 outb(cr67 & 0x3F, 0x3D5);
 230                 outb(0x6A, 0x3D4);
 231                 /* Second Display Channel Reset CR6A[6]) */
 232                 outb(cr6a & 0xBF, 0x3D5);
 233                 /* Second Display Channel Enable CR6A[7] */
 234                 outb(cr6a | 0x80, 0x3D5);
 235                 /* Second Display Channel stop reset) */
 236                 outb(cr6a | 0x40, 0x3D5);
 237
 238                 /* Bit mask of palette */
 239                 outb(0xFF, 0x3c6);
 240                 /* Write one register of IGA2 */
 241                 outb(regno, 0x3C8);
 242                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 243                         rev >= 15) {
 244                         shift = 8;
 245                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 246                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 247                 } else {
 248                         shift = 10;
 249                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 250                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 251                 }
 252                 outb(red >> shift, 0x3C9);
 253                 outb(green >> shift, 0x3C9);
 254                 outb(blue >> shift, 0x3C9);
 255
 256                 /* Map the 3C6/7/8/9 to the IGA1 */
 257                 outb(0x1A, 0x3C4);
 258                 outb(sr1a & 0xFE, 0x3C5);
 259                 /* Bit mask of palette */
 260                 outb(0xFF, 0x3c6);
 261                 /* Write one register of IGA1 */
 262                 outb(regno, 0x3C8);
 263                 outb(red >> shift, 0x3C9);
 264                 outb(green >> shift, 0x3C9);
 265                 outb(blue >> shift, 0x3C9);
 266
 267                 outb(0x1A, 0x3C4);
 268                 outb(sr1a, 0x3C5);
 269                 outb(0x1B, 0x3C4);
 270                 outb(sr1b, 0x3C5);
 271                 outb(0x67, 0x3D4);
 272                 outb(cr67, 0x3D5);
 273                 outb(0x6A, 0x3D4);
 274                 outb(cr6a, 0x3D5);
 275                 break;
 276         case 16:
 277                 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
 278                     ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
 279                 break;
 280         case 32:
 281                 ((u32 *) info->pseudo_palette)[regno] =
 282                     ((transp & 0xFF00) << 16) |
 283                     ((red & 0xFF00) << 8) |
 284                     ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
 285                 break;
 286         }
 287
 288         return 0;
 289
 290 }
 291
 292 /*CALLED BY: fb_set_cmap */
 293 /*           fb_set_var, pass 256 colors */
 294 /*CALLED BY: fb_set_cmap */
 295 /*           fbcon_set_palette, pass 16 colors */
 296 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 297 {
 298         u32 len = cmap->len;
 299         u32 i;
 300         u16 *pred = cmap->red;
 301         u16 *pgreen = cmap->green;
 302         u16 *pblue = cmap->blue;
 303         u16 *ptransp = cmap->transp;
 304         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 305         if (len > 256)
 306                 return 1;
 307         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 308                 /*
 309                  * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
 310                  * rev.
 311                  */
 312                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 313                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 314         }
 315         switch (info->var.bits_per_pixel) {
 316         case 8:
 317                 outb(0x1A, 0x3C4);
 318                 sr1a = inb(0x3C5);
 319                 outb(0x1B, 0x3C4);
 320                 sr1b = inb(0x3C5);
 321                 outb(0x67, 0x3D4);
 322                 cr67 = inb(0x3D5);
 323                 outb(0x6A, 0x3D4);
 324                 cr6a = inb(0x3D5);
 325                 /* Map the 3C6/7/8/9 to the IGA2 */
 326                 outb(0x1A, 0x3C4);
 327                 outb(sr1a | 0x01, 0x3C5);
 328                 outb(0x1B, 0x3C4);
 329                 /* Second Display Engine colck always on */
 330                 outb(sr1b | 0x80, 0x3C5);
 331                 outb(0x67, 0x3D4);
 332                 /* Second Display Color Depth 8 */
 333                 outb(cr67 & 0x3F, 0x3D5);
 334                 outb(0x6A, 0x3D4);
 335                 /* Second Display Channel Reset CR6A[6]) */
 336                 outb(cr6a & 0xBF, 0x3D5);
 337                 /* Second Display Channel Enable CR6A[7] */
 338                 outb(cr6a | 0x80, 0x3D5);
 339                 /* Second Display Channel stop reset) */
 340                 outb(cr6a | 0xC0, 0x3D5);
 341
 342                 /* Bit mask of palette */
 343                 outb(0xFF, 0x3c6);
 344                 outb(0x00, 0x3C8);
 345                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 346                         rev >= 15) {
 347                         shift = 8;
 348                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 349                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 350                 } else {
 351                         shift = 10;
 352                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 353                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 354                 }
 355                 for (i = 0; i < len; i++) {
 356                         outb((*(pred + i)) >> shift, 0x3C9);
 357                         outb((*(pgreen + i)) >> shift, 0x3C9);
 358                         outb((*(pblue + i)) >> shift, 0x3C9);
 359                 }
 360
 361                 outb(0x1A, 0x3C4);
 362                 /* Map the 3C6/7/8/9 to the IGA1 */
 363                 outb(sr1a & 0xFE, 0x3C5);
 364                 /* Bit mask of palette */
 365                 outb(0xFF, 0x3c6);
 366                 outb(0x00, 0x3C8);
 367                 for (i = 0; i < len; i++) {
 368                         outb((*(pred + i)) >> shift, 0x3C9);
 369                         outb((*(pgreen + i)) >> shift, 0x3C9);
 370                         outb((*(pblue + i)) >> shift, 0x3C9);
 371                 }
 372
 373                 outb(0x1A, 0x3C4);
 374                 outb(sr1a, 0x3C5);
 375                 outb(0x1B, 0x3C4);
 376                 outb(sr1b, 0x3C5);
 377                 outb(0x67, 0x3D4);
 378                 outb(cr67, 0x3D5);
 379                 outb(0x6A, 0x3D4);
 380                 outb(cr6a, 0x3D5);
 381                 break;
 382         case 16:
 383                 if (len > 17)
 384                         return 0;       /* Because static u32 pseudo_pal[17]; */
 385                 for (i = 0; i < len; i++)
 386                         ((u32 *) info->pseudo_palette)[i] =
 387                             (*(pred + i) & 0xF800) |
 388                             ((*(pgreen + i) & 0xFC00) >> 5) |
 389                             ((*(pblue + i) & 0xF800) >> 11);
 390                 break;
 391         case 32:
 392                 if (len > 17)
 393                         return 0;
 394                 if (ptransp) {
 395                         for (i = 0; i < len; i++)
 396                                 ((u32 *) info->pseudo_palette)[i] =
 397                                     ((*(ptransp + i) & 0xFF00) << 16) |
 398                                     ((*(pred + i) & 0xFF00) << 8) |
 399                                     ((*(pgreen + i) & 0xFF00)) |
 400                                     ((*(pblue + i) & 0xFF00) >> 8);
 401                 } else {
 402                         for (i = 0; i < len; i++)
 403                                 ((u32 *) info->pseudo_palette)[i] =
 404                                     0x00000000 |
 405                                     ((*(pred + i) & 0xFF00) << 8) |
 406                                     ((*(pgreen + i) & 0xFF00)) |
 407                                     ((*(pblue + i) & 0xFF00) >> 8);
 408                 }
 409                 break;
 410         }
 411         return 0;
 412 }
 413
 414 static int viafb_pan_display(struct fb_var_screeninfo *var,
 415         struct fb_info *info)
 416 {
 417         unsigned int offset;
 418
 419         DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
 420
 421         offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
 422             var->bits_per_pixel / 16;
 423
 424         DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
 425         viafb_set_primary_address(offset);
 426         return 0;
 427 }
 428
 429 static int viafb_blank(int blank_mode, struct fb_info *info)
 430 {
 431         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 432         /* clear DPMS setting */
 433
 434         switch (blank_mode) {
 435         case FB_BLANK_UNBLANK:
 436                 /* Screen: On, HSync: On, VSync: On */
 437                 /* control CRT monitor power management */
 438                 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
 439                 break;
 440         case FB_BLANK_HSYNC_SUSPEND:
 441                 /* Screen: Off, HSync: Off, VSync: On */
 442                 /* control CRT monitor power management */
 443                 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
 444                 break;
 445         case FB_BLANK_VSYNC_SUSPEND:
 446                 /* Screen: Off, HSync: On, VSync: Off */
 447                 /* control CRT monitor power management */
 448                 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
 449                 break;
 450         case FB_BLANK_POWERDOWN:
 451                 /* Screen: Off, HSync: Off, VSync: Off */
 452                 /* control CRT monitor power management */
 453                 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
 454                 break;
 455         }
 456
 457         return 0;
 458 }
 459
 460 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 461 {
 462         union {
 463                 struct viafb_ioctl_mode viamode;
 464                 struct viafb_ioctl_samm viasamm;
 465                 struct viafb_driver_version driver_version;
 466                 struct fb_var_screeninfo sec_var;
 467                 struct _panel_size_pos_info panel_pos_size_para;
 468                 struct viafb_ioctl_setting viafb_setting;
 469                 struct device_t active_dev;
 470         } u;
 471         u32 state_info = 0;
 472         u32 *viafb_gamma_table;
 473         char driver_name[] = "viafb";
 474
 475         u32 __user *argp = (u32 __user *) arg;
 476         u32 gpu32;
 477
 478         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 479         memset(&u, 0, sizeof(u));
 480
 481         switch (cmd) {
 482         case VIAFB_GET_CHIP_INFO:
 483                 if (copy_to_user(argp, viaparinfo->chip_info,
 484                                 sizeof(struct chip_information)))
 485                         return -EFAULT;
 486                 break;
 487         case VIAFB_GET_INFO_SIZE:
 488                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 489         case VIAFB_GET_INFO:
 490                 return viafb_ioctl_get_viafb_info(arg);
 491         case VIAFB_HOTPLUG:
 492                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 493                                               info->var.yres,
 494                                               info->var.bits_per_pixel), argp);
 495         case VIAFB_SET_HOTPLUG_FLAG:
 496                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 497                         return -EFAULT;
 498                 viafb_hotplug = (gpu32) ? 1 : 0;
 499                 break;
 500         case VIAFB_GET_RESOLUTION:
 501                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 502                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 503                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 504                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 505                 if (viafb_SAMM_ON == 1) {
 506                         u.viamode.xres_sec = viafb_second_xres;
 507                         u.viamode.yres_sec = viafb_second_yres;
 508                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 509                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 510                         u.viamode.refresh_sec = viafb_refresh1;
 511                         u.viamode.bpp_sec = viafb_bpp1;
 512                 } else {
 513                         u.viamode.xres_sec = 0;
 514                         u.viamode.yres_sec = 0;
 515                         u.viamode.virtual_xres_sec = 0;
 516                         u.viamode.virtual_yres_sec = 0;
 517                         u.viamode.refresh_sec = 0;
 518                         u.viamode.bpp_sec = 0;
 519                 }
 520                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 521                         return -EFAULT;
 522                 break;
 523         case VIAFB_GET_SAMM_INFO:
 524                 u.viasamm.samm_status = viafb_SAMM_ON;
 525
 526                 if (viafb_SAMM_ON == 1) {
 527                         if (viafb_dual_fb) {
 528                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 529                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 530                         } else {
 531                                 if (viafb_second_size) {
 532                                         u.viasamm.size_prim =
 533                                             viaparinfo->fbmem_free -
 534                                             viafb_second_size * 1024 * 1024;
 535                                         u.viasamm.size_sec =
 536                                             viafb_second_size * 1024 * 1024;
 537                                 } else {
 538                                         u.viasamm.size_prim =
 539                                             viaparinfo->fbmem_free >> 1;
 540                                         u.viasamm.size_sec =
 541                                             (viaparinfo->fbmem_free >> 1);
 542                                 }
 543                         }
 544                         u.viasamm.mem_base = viaparinfo->fbmem;
 545                         u.viasamm.offset_sec = viafb_second_offset;
 546                 } else {
 547                         u.viasamm.size_prim =
 548                             viaparinfo->memsize - viaparinfo->fbmem_used;
 549                         u.viasamm.size_sec = 0;
 550                         u.viasamm.mem_base = viaparinfo->fbmem;
 551                         u.viasamm.offset_sec = 0;
 552                 }
 553
 554                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 555                         return -EFAULT;
 556
 557                 break;
 558         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 559                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 560                         return -EFAULT;
 561                 if (gpu32 & CRT_Device)
 562                         viafb_crt_enable();
 563                 if (gpu32 & DVI_Device)
 564                         viafb_dvi_enable();
 565                 if (gpu32 & LCD_Device)
 566                         viafb_lcd_enable();
 567                 break;
 568         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 569                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 570                         return -EFAULT;
 571                 if (gpu32 & CRT_Device)
 572                         viafb_crt_disable();
 573                 if (gpu32 & DVI_Device)
 574                         viafb_dvi_disable();
 575                 if (gpu32 & LCD_Device)
 576                         viafb_lcd_disable();
 577                 break;
 578         case VIAFB_SET_DEVICE:
 579                 if (copy_from_user(&u.active_dev, (void *)argp,
 580                         sizeof(u.active_dev)))
 581                         return -EFAULT;
 582                 viafb_set_device(u.active_dev);
 583                 viafb_set_par(info);
 584                 break;
 585         case VIAFB_GET_DEVICE:
 586                 u.active_dev.crt = viafb_CRT_ON;
 587                 u.active_dev.dvi = viafb_DVI_ON;
 588                 u.active_dev.lcd = viafb_LCD_ON;
 589                 u.active_dev.samm = viafb_SAMM_ON;
 590                 u.active_dev.primary_dev = viafb_primary_dev;
 591
 592                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 593                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 594                 u.active_dev.lcd_mode = viafb_lcd_mode;
 595
 596                 u.active_dev.xres = viafb_hotplug_Xres;
 597                 u.active_dev.yres = viafb_hotplug_Yres;
 598
 599                 u.active_dev.xres1 = viafb_second_xres;
 600                 u.active_dev.yres1 = viafb_second_yres;
 601
 602                 u.active_dev.bpp = viafb_bpp;
 603                 u.active_dev.bpp1 = viafb_bpp1;
 604                 u.active_dev.refresh = viafb_refresh;
 605                 u.active_dev.refresh1 = viafb_refresh1;
 606
 607                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 608                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 609                 u.active_dev.bus_width = viafb_bus_width;
 610
 611                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 612                         return -EFAULT;
 613                 break;
 614
 615         case VIAFB_GET_DRIVER_VERSION:
 616                 u.driver_version.iMajorNum = VERSION_MAJOR;
 617                 u.driver_version.iKernelNum = VERSION_KERNEL;
 618                 u.driver_version.iOSNum = VERSION_OS;
 619                 u.driver_version.iMinorNum = VERSION_MINOR;
 620
 621                 if (copy_to_user(argp, &u.driver_version,
 622                         sizeof(u.driver_version)))
 623                         return -EFAULT;
 624
 625                 break;
 626
 627         case VIAFB_SET_DEVICE_INFO:
 628                 if (copy_from_user(&u.viafb_setting,
 629                         argp, sizeof(u.viafb_setting)))
 630                         return -EFAULT;
 631                 if (apply_device_setting(u.viafb_setting, info) < 0)
 632                         return -EINVAL;
 633
 634                 break;
 635
 636         case VIAFB_SET_SECOND_MODE:
 637                 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
 638                         return -EFAULT;
 639                 apply_second_mode_setting(&u.sec_var);
 640                 break;
 641
 642         case VIAFB_GET_DEVICE_INFO:
 643
 644                 retrieve_device_setting(&u.viafb_setting);
 645
 646                 if (copy_to_user(argp, &u.viafb_setting,
 647                                  sizeof(u.viafb_setting)))
 648                         return -EFAULT;
 649
 650                 break;
 651
 652         case VIAFB_GET_DEVICE_SUPPORT:
 653                 viafb_get_device_support_state(&state_info);
 654                 if (put_user(state_info, argp))
 655                         return -EFAULT;
 656                 break;
 657
 658         case VIAFB_GET_DEVICE_CONNECT:
 659                 viafb_get_device_connect_state(&state_info);
 660                 if (put_user(state_info, argp))
 661                         return -EFAULT;
 662                 break;
 663
 664         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 665                 state_info =
 666                     viafb_lcd_get_support_expand_state(info->var.xres,
 667                                                  info->var.yres);
 668                 if (put_user(state_info, argp))
 669                         return -EFAULT;
 670                 break;
 671
 672         case VIAFB_GET_DRIVER_NAME:
 673                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 674                         return -EFAULT;
 675                 break;
 676
 677         case VIAFB_SET_GAMMA_LUT:
 678                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 679                 if (!viafb_gamma_table)
 680                         return -ENOMEM;
 681                 if (copy_from_user(viafb_gamma_table, argp,
 682                                 256 * sizeof(u32))) {
 683                         kfree(viafb_gamma_table);
 684                         return -EFAULT;
 685                 }
 686                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 687                 kfree(viafb_gamma_table);
 688                 break;
 689
 690         case VIAFB_GET_GAMMA_LUT:
 691                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 692                 if (!viafb_gamma_table)
 693                         return -ENOMEM;
 694                 viafb_get_gamma_table(viafb_gamma_table);
 695                 if (copy_to_user(argp, viafb_gamma_table,
 696                         256 * sizeof(u32))) {
 697                         kfree(viafb_gamma_table);
 698                         return -EFAULT;
 699                 }
 700                 kfree(viafb_gamma_table);
 701                 break;
 702
 703         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 704                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 705                 if (put_user(state_info, argp))
 706                         return -EFAULT;
 707                 break;
 708         case VIAFB_SYNC_SURFACE:
 709                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 710                 break;
 711         case VIAFB_GET_DRIVER_CAPS:
 712                 break;
 713
 714         case VIAFB_GET_PANEL_MAX_SIZE:
 715                 if (copy_from_user(&u.panel_pos_size_para, argp,
 716                                    sizeof(u.panel_pos_size_para)))
 717                         return -EFAULT;
 718                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 719                 if (copy_to_user(argp, &u.panel_pos_size_para,
 720                      sizeof(u.panel_pos_size_para)))
 721                         return -EFAULT;
 722                 break;
 723         case VIAFB_GET_PANEL_MAX_POSITION:
 724                 if (copy_from_user(&u.panel_pos_size_para, argp,
 725                                    sizeof(u.panel_pos_size_para)))
 726                         return -EFAULT;
 727                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 728                 if (copy_to_user(argp, &u.panel_pos_size_para,
 729                                  sizeof(u.panel_pos_size_para)))
 730                         return -EFAULT;
 731                 break;
 732
 733         case VIAFB_GET_PANEL_POSITION:
 734                 if (copy_from_user(&u.panel_pos_size_para, argp,
 735                                    sizeof(u.panel_pos_size_para)))
 736                         return -EFAULT;
 737                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 738                 if (copy_to_user(argp, &u.panel_pos_size_para,
 739                                  sizeof(u.panel_pos_size_para)))
 740                         return -EFAULT;
 741                 break;
 742         case VIAFB_GET_PANEL_SIZE:
 743                 if (copy_from_user(&u.panel_pos_size_para, argp,
 744                                    sizeof(u.panel_pos_size_para)))
 745                         return -EFAULT;
 746                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 747                 if (copy_to_user(argp, &u.panel_pos_size_para,
 748                                  sizeof(u.panel_pos_size_para)))
 749                         return -EFAULT;
 750                 break;
 751
 752         case VIAFB_SET_PANEL_POSITION:
 753                 if (copy_from_user(&u.panel_pos_size_para, argp,
 754                                    sizeof(u.panel_pos_size_para)))
 755                         return -EFAULT;
 756                 break;
 757         case VIAFB_SET_PANEL_SIZE:
 758                 if (copy_from_user(&u.panel_pos_size_para, argp,
 759                                    sizeof(u.panel_pos_size_para)))
 760                         return -EFAULT;
 761                 break;
 762
 763         default:
 764                 return -EINVAL;
 765         }
 766
 767         return 0;
 768 }
 769
 770 static void viafb_fillrect(struct fb_info *info,
 771         const struct fb_fillrect *rect)
 772 {
 773         struct viafb_par *viapar = info->par;
 774         struct viafb_shared *shared = viapar->shared;
 775         u32 fg_color;
 776         u8 rop;
 777
 778         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 779                 cfb_fillrect(info, rect);
 780                 return;
 781         }
 782
 783         if (!rect->width || !rect->height)
 784                 return;
 785
 786         if (info->fix.visual == FB_VISUAL_TRUECOLOR)
 787                 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
 788         else
 789                 fg_color = rect->color;
 790
 791         if (rect->rop == ROP_XOR)
 792                 rop = 0x5A;
 793         else
 794                 rop = 0xF0;
 795
 796         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
 797         if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_FILL,
 798                 rect->width, rect->height, info->var.bits_per_pixel,
 799                 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
 800                 NULL, 0, 0, 0, 0, fg_color, 0, rop))
 801                 cfb_fillrect(info, rect);
 802 }
 803
 804 static void viafb_copyarea(struct fb_info *info,
 805         const struct fb_copyarea *area)
 806 {
 807         struct viafb_par *viapar = info->par;
 808         struct viafb_shared *shared = viapar->shared;
 809
 810         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 811                 cfb_copyarea(info, area);
 812                 return;
 813         }
 814
 815         if (!area->width || !area->height)
 816                 return;
 817
 818         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
 819         if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_COLOR,
 820                 area->width, area->height, info->var.bits_per_pixel,
 821                 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
 822                 NULL, viapar->vram_addr, info->fix.line_length,
 823                 area->sx, area->sy, 0, 0, 0))
 824                 cfb_copyarea(info, area);
 825 }
 826
 827 static void viafb_imageblit(struct fb_info *info,
 828         const struct fb_image *image)
 829 {
 830         struct viafb_par *viapar = info->par;
 831         struct viafb_shared *shared = viapar->shared;
 832         u32 fg_color = 0, bg_color = 0;
 833         u8 op;
 834
 835         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
 836                 (image->depth != 1 && image->depth != viapar->depth)) {
 837                 cfb_imageblit(info, image);
 838                 return;
 839         }
 840
 841         if (image->depth == 1) {
 842                 op = VIA_BITBLT_MONO;
 843                 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
 844                         fg_color =
 845                                 ((u32 *)info->pseudo_palette)[image->fg_color];
 846                         bg_color =
 847                                 ((u32 *)info->pseudo_palette)[image->bg_color];
 848                 } else {
 849                         fg_color = image->fg_color;
 850                         bg_color = image->bg_color;
 851                 }
 852         } else
 853                 op = VIA_BITBLT_COLOR;
 854
 855         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
 856         if (shared->hw_bitblt(shared->engine_mmio, op,
 857                 image->width, image->height, info->var.bits_per_pixel,
 858                 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
 859                 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
 860                 cfb_imageblit(info, image);
 861 }
 862
 863 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 864 {
 865         struct viafb_par *viapar = info->par;
 866         void __iomem *engine = viapar->shared->engine_mmio;
 867         u32 temp, xx, yy, bg_color = 0, fg_color = 0,
 868                 chip_name = viapar->shared->chip_info.gfx_chip_name;
 869         int i, j = 0, cur_size = 64;
 870
 871         if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
 872                 return -ENODEV;
 873
 874         /* LCD ouput does not support hw cursors (at least on VN896) */
 875         if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
 876                 viafb_LCD_ON)
 877                 return -ENODEV;
 878
 879         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 880
 881         if (cursor->set & FB_CUR_SETHOT) {
 882                 temp = (cursor->hot.x << 16) + cursor->hot.y;
 883                 writel(temp, engine + VIA_REG_CURSOR_ORG);
 884         }
 885
 886         if (cursor->set & FB_CUR_SETPOS) {
 887                 yy = cursor->image.dy - info->var.yoffset;
 888                 xx = cursor->image.dx - info->var.xoffset;
 889                 temp = yy & 0xFFFF;
 890                 temp |= (xx << 16);
 891                 writel(temp, engine + VIA_REG_CURSOR_POS);
 892         }
 893
 894         if (cursor->image.width <= 32 && cursor->image.height <= 32)
 895                 cur_size = 32;
 896         else if (cursor->image.width <= 64 && cursor->image.height <= 64)
 897                 cur_size = 64;
 898         else {
 899                 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
 900                         "%dx%d", cursor->image.width, cursor->image.height);
 901                 return -ENXIO;
 902         }
 903
 904         if (cursor->set & FB_CUR_SETSIZE) {
 905                 temp = readl(engine + VIA_REG_CURSOR_MODE);
 906                 if (cur_size == 32)
 907                         temp |= 0x2;
 908                 else
 909                         temp &= ~0x2;
 910
 911                 writel(temp, engine + VIA_REG_CURSOR_MODE);
 912         }
 913
 914         if (cursor->set & FB_CUR_SETCMAP) {
 915                 fg_color = cursor->image.fg_color;
 916                 bg_color = cursor->image.bg_color;
 917                 if (chip_name == UNICHROME_CX700 ||
 918                         chip_name == UNICHROME_VX800 ||
 919                         chip_name == UNICHROME_VX855) {
 920                         fg_color =
 921                                 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
 922                                 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
 923                                 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
 924                         bg_color =
 925                                 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
 926                                 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
 927                                 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
 928                 } else {
 929                         fg_color =
 930                                 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
 931                                 (info->cmap.green[fg_color] & 0xFF00) |
 932                                 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
 933                         bg_color =
 934                                 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
 935                                 (info->cmap.green[bg_color] & 0xFF00) |
 936                                 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
 937                 }
 938
 939                 writel(bg_color, engine + VIA_REG_CURSOR_BG);
 940                 writel(fg_color, engine + VIA_REG_CURSOR_FG);
 941         }
 942
 943         if (cursor->set & FB_CUR_SETSHAPE) {
 944                 struct {
 945                         u8 data[CURSOR_SIZE];
 946                         u32 bak[CURSOR_SIZE / 4];
 947                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
 948                 int size = ((cursor->image.width + 7) >> 3) *
 949                         cursor->image.height;
 950
 951                 if (!cr_data)
 952                         return -ENOMEM;
 953
 954                 if (cur_size == 32) {
 955                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 956                                 cr_data->bak[i] = 0x0;
 957                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
 958                                 i += 1;
 959                         }
 960                 } else {
 961                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 962                                 cr_data->bak[i] = 0x0;
 963                                 cr_data->bak[i + 1] = 0x0;
 964                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
 965                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
 966                                 i += 3;
 967                         }
 968                 }
 969
 970                 switch (cursor->rop) {
 971                 case ROP_XOR:
 972                         for (i = 0; i < size; i++)
 973                                 cr_data->data[i] = cursor->mask[i];
 974                         break;
 975                 case ROP_COPY:
 976
 977                         for (i = 0; i < size; i++)
 978                                 cr_data->data[i] = cursor->mask[i];
 979                         break;
 980                 default:
 981                         break;
 982                 }
 983
 984                 if (cur_size == 32) {
 985                         for (i = 0; i < size; i++) {
 986                                 cr_data->bak[j] = (u32) cr_data->data[i];
 987                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
 988                                 j += 2;
 989                         }
 990                 } else {
 991                         for (i = 0; i < size; i++) {
 992                                 cr_data->bak[j] = (u32) cr_data->data[i];
 993                                 cr_data->bak[j + 1] = 0x0;
 994                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
 995                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
 996                                 j += 4;
 997                         }
 998                 }
 999
1000                 memcpy_toio(viafbinfo->screen_base + viapar->shared->
1001                         cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
1002                 kfree(cr_data);
1003         }
1004
1005         if (cursor->enable)
1006                 viafb_show_hw_cursor(info, HW_Cursor_ON);
1007
1008         return 0;
1009 }
1010
1011 static int viafb_sync(struct fb_info *info)
1012 {
1013         if (!(info->flags & FBINFO_HWACCEL_DISABLED))
1014                 viafb_wait_engine_idle(info);
1015         return 0;
1016 }
1017
1018 int viafb_get_mode_index(int hres, int vres)
1019 {
1020         u32 i;
1021         DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
1022
1023         for (i = 0; i < NUM_TOTAL_MODETABLE; i++)
1024                 if (CLE266Modes[i].mode_array &&
1025                         CLE266Modes[i].crtc[0].crtc.hor_addr == hres &&
1026                         CLE266Modes[i].crtc[0].crtc.ver_addr == vres)
1027                         break;
1028
1029         if (i == NUM_TOTAL_MODETABLE)
1030                 return VIA_RES_INVALID;
1031
1032         return CLE266Modes[i].ModeIndex;
1033 }
1034
1035 static void check_available_device_to_enable(int device_id)
1036 {
1037         int device_num = 0;
1038
1039         /* Initialize: */
1040         viafb_CRT_ON = STATE_OFF;
1041         viafb_DVI_ON = STATE_OFF;
1042         viafb_LCD_ON = STATE_OFF;
1043         viafb_LCD2_ON = STATE_OFF;
1044         viafb_DeviceStatus = None_Device;
1045
1046         if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1047                 viafb_CRT_ON = STATE_ON;
1048                 device_num++;
1049                 viafb_DeviceStatus |= CRT_Device;
1050         }
1051
1052         if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1053                 viafb_DVI_ON = STATE_ON;
1054                 device_num++;
1055                 viafb_DeviceStatus |= DVI_Device;
1056         }
1057
1058         if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1059                 viafb_LCD_ON = STATE_ON;
1060                 device_num++;
1061                 viafb_DeviceStatus |= LCD_Device;
1062         }
1063
1064         if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1065                 viafb_LCD2_ON = STATE_ON;
1066                 device_num++;
1067                 viafb_DeviceStatus |= LCD2_Device;
1068         }
1069
1070         if (viafb_DeviceStatus == None_Device) {
1071                 /* Use CRT as default active device: */
1072                 viafb_CRT_ON = STATE_ON;
1073                 viafb_DeviceStatus = CRT_Device;
1074         }
1075         DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1076 }
1077
1078 static void viafb_set_device(struct device_t active_dev)
1079 {
1080         /* Check available device to enable: */
1081         int device_id = None_Device;
1082         if (active_dev.crt)
1083                 device_id |= CRT_Device;
1084         if (active_dev.dvi)
1085                 device_id |= DVI_Device;
1086         if (active_dev.lcd)
1087                 device_id |= LCD_Device;
1088
1089         check_available_device_to_enable(device_id);
1090
1091         /* Check property of LCD: */
1092         if (viafb_LCD_ON) {
1093                 if (active_dev.lcd_dsp_cent) {
1094                         viaparinfo->lvds_setting_info->display_method =
1095                                 viafb_lcd_dsp_method = LCD_CENTERING;
1096                 } else {
1097                         viaparinfo->lvds_setting_info->display_method =
1098                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1099                 }
1100
1101                 if (active_dev.lcd_mode == LCD_SPWG) {
1102                         viaparinfo->lvds_setting_info->lcd_mode =
1103                                 viafb_lcd_mode = LCD_SPWG;
1104                 } else {
1105                         viaparinfo->lvds_setting_info->lcd_mode =
1106                                 viafb_lcd_mode = LCD_OPENLDI;
1107                 }
1108
1109                 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1110                         viafb_lcd_panel_id = active_dev.lcd_panel_id;
1111                         viafb_init_lcd_size();
1112                 }
1113         }
1114
1115         /* Check property of mode: */
1116         if (!active_dev.xres1)
1117                 viafb_second_xres = 640;
1118         else
1119                 viafb_second_xres = active_dev.xres1;
1120         if (!active_dev.yres1)
1121                 viafb_second_yres = 480;
1122         else
1123                 viafb_second_yres = active_dev.yres1;
1124         if (active_dev.bpp != 0)
1125                 viafb_bpp = active_dev.bpp;
1126         if (active_dev.bpp1 != 0)
1127                 viafb_bpp1 = active_dev.bpp1;
1128         if (active_dev.refresh != 0)
1129                 viafb_refresh = active_dev.refresh;
1130         if (active_dev.refresh1 != 0)
1131                 viafb_refresh1 = active_dev.refresh1;
1132         if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1133                 viafb_SAMM_ON = active_dev.samm;
1134         viafb_primary_dev = active_dev.primary_dev;
1135
1136         viafb_set_primary_address(0);
1137         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1138         viafb_set_iga_path();
1139 }
1140
1141 static int get_primary_device(void)
1142 {
1143         int primary_device = 0;
1144         /* Rule: device on iga1 path are the primary device. */
1145         if (viafb_SAMM_ON) {
1146                 if (viafb_CRT_ON) {
1147                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1148                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1149                                         viaparinfo->
1150                                         crt_setting_info->iga_path);
1151                                 primary_device = CRT_Device;
1152                         }
1153                 }
1154                 if (viafb_DVI_ON) {
1155                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1156                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1157                                         viaparinfo->
1158                                         tmds_setting_info->iga_path);
1159                                 primary_device = DVI_Device;
1160                         }
1161                 }
1162                 if (viafb_LCD_ON) {
1163                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1164                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1165                                         viaparinfo->
1166                                         lvds_setting_info->iga_path);
1167                                 primary_device = LCD_Device;
1168                         }
1169                 }
1170                 if (viafb_LCD2_ON) {
1171                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1172                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1173                                         viaparinfo->
1174                                         lvds_setting_info2->iga_path);
1175                                 primary_device = LCD2_Device;
1176                         }
1177                 }
1178         }
1179         return primary_device;
1180 }
1181
1182 static void apply_second_mode_setting(struct fb_var_screeninfo
1183         *sec_var)
1184 {
1185         u32 htotal, vtotal, long_refresh;
1186
1187         htotal = sec_var->xres + sec_var->left_margin +
1188                 sec_var->right_margin + sec_var->hsync_len;
1189         vtotal = sec_var->yres + sec_var->upper_margin +
1190                 sec_var->lower_margin + sec_var->vsync_len;
1191         if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1192                 /*Is 32 bytes alignment? */
1193                 /*32 pixel alignment */
1194                 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1195         }
1196
1197         htotal = sec_var->xres + sec_var->left_margin +
1198                 sec_var->right_margin + sec_var->hsync_len;
1199         vtotal = sec_var->yres + sec_var->upper_margin +
1200                 sec_var->lower_margin + sec_var->vsync_len;
1201         long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1202         long_refresh /= (htotal * vtotal);
1203
1204         viafb_second_xres = sec_var->xres;
1205         viafb_second_yres = sec_var->yres;
1206         viafb_second_virtual_xres = sec_var->xres_virtual;
1207         viafb_second_virtual_yres = sec_var->yres_virtual;
1208         viafb_bpp1 = sec_var->bits_per_pixel;
1209         viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1210                 long_refresh);
1211 }
1212
1213 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1214         struct fb_info *info)
1215 {
1216         int need_set_mode = 0;
1217         DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1218
1219         if (setting_info.device_flag) {
1220                 need_set_mode = 1;
1221                 check_available_device_to_enable(setting_info.device_status);
1222         }
1223
1224         /* Unlock LCD's operation according to LCD flag
1225            and check if the setting value is valid. */
1226         /* If the value is valid, apply the new setting value to the device. */
1227         if (viafb_LCD_ON) {
1228                 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1229                         need_set_mode = 1;
1230                         if (setting_info.lcd_attributes.display_center) {
1231                                 /* Centering */
1232                                 viaparinfo->lvds_setting_info->display_method =
1233                                     LCD_CENTERING;
1234                                 viafb_lcd_dsp_method = LCD_CENTERING;
1235                                 viaparinfo->lvds_setting_info2->display_method =
1236                                     viafb_lcd_dsp_method = LCD_CENTERING;
1237                         } else {
1238                                 /* expandsion */
1239                                 viaparinfo->lvds_setting_info->display_method =
1240                                     LCD_EXPANDSION;
1241                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1242                                 viaparinfo->lvds_setting_info2->display_method =
1243                                     LCD_EXPANDSION;
1244                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1245                         }
1246                 }
1247
1248                 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1249                         need_set_mode = 1;
1250                         if (setting_info.lcd_attributes.lcd_mode ==
1251                                 LCD_SPWG) {
1252                                 viaparinfo->lvds_setting_info->lcd_mode =
1253                                         viafb_lcd_mode = LCD_SPWG;
1254                         } else {
1255                                 viaparinfo->lvds_setting_info->lcd_mode =
1256                                         viafb_lcd_mode = LCD_OPENLDI;
1257                         }
1258                         viaparinfo->lvds_setting_info2->lcd_mode =
1259                             viaparinfo->lvds_setting_info->lcd_mode;
1260                 }
1261
1262                 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1263                         need_set_mode = 1;
1264                         if (setting_info.lcd_attributes.panel_id <=
1265                             LCD_PANEL_ID_MAXIMUM) {
1266                                 viafb_lcd_panel_id =
1267                                     setting_info.lcd_attributes.panel_id;
1268                                 viafb_init_lcd_size();
1269                         }
1270                 }
1271         }
1272
1273         if (0 != (setting_info.samm_status & OP_SAMM)) {
1274                 setting_info.samm_status =
1275                     setting_info.samm_status & (~OP_SAMM);
1276                 if (setting_info.samm_status == 0
1277                     || setting_info.samm_status == 1) {
1278                         viafb_SAMM_ON = setting_info.samm_status;
1279
1280                         if (viafb_SAMM_ON)
1281                                 viafb_primary_dev = setting_info.primary_device;
1282
1283                         viafb_set_primary_address(0);
1284                         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1285                         viafb_set_iga_path();
1286                 }
1287                 need_set_mode = 1;
1288         }
1289
1290         if (!need_set_mode) {
1291                 ;
1292         } else {
1293                 viafb_set_iga_path();
1294                 viafb_set_par(info);
1295         }
1296         return true;
1297 }
1298
1299 static void retrieve_device_setting(struct viafb_ioctl_setting
1300         *setting_info)
1301 {
1302
1303         /* get device status */
1304         if (viafb_CRT_ON == 1)
1305                 setting_info->device_status = CRT_Device;
1306         if (viafb_DVI_ON == 1)
1307                 setting_info->device_status |= DVI_Device;
1308         if (viafb_LCD_ON == 1)
1309                 setting_info->device_status |= LCD_Device;
1310         if (viafb_LCD2_ON == 1)
1311                 setting_info->device_status |= LCD2_Device;
1312
1313         setting_info->samm_status = viafb_SAMM_ON;
1314         setting_info->primary_device = get_primary_device();
1315
1316         setting_info->first_dev_bpp = viafb_bpp;
1317         setting_info->second_dev_bpp = viafb_bpp1;
1318
1319         setting_info->first_dev_refresh = viafb_refresh;
1320         setting_info->second_dev_refresh = viafb_refresh1;
1321
1322         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1323         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1324         setting_info->second_dev_hor_res = viafb_second_xres;
1325         setting_info->second_dev_ver_res = viafb_second_yres;
1326
1327         /* Get lcd attributes */
1328         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1329         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1330         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1331 }
1332
1333 static void parse_active_dev(void)
1334 {
1335         viafb_CRT_ON = STATE_OFF;
1336         viafb_DVI_ON = STATE_OFF;
1337         viafb_LCD_ON = STATE_OFF;
1338         viafb_LCD2_ON = STATE_OFF;
1339         /* 1. Modify the active status of devices. */
1340         /* 2. Keep the order of devices, so we can set corresponding
1341            IGA path to devices in SAMM case. */
1342         /*    Note: The previous of active_dev is primary device,
1343            and the following is secondary device. */
1344         if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
1345                 /* CRT+DVI */
1346                 viafb_CRT_ON = STATE_ON;
1347                 viafb_DVI_ON = STATE_ON;
1348                 viafb_primary_dev = CRT_Device;
1349         } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
1350                 /* DVI+CRT */
1351                 viafb_CRT_ON = STATE_ON;
1352                 viafb_DVI_ON = STATE_ON;
1353                 viafb_primary_dev = DVI_Device;
1354         } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
1355                 /* CRT+LCD */
1356                 viafb_CRT_ON = STATE_ON;
1357                 viafb_LCD_ON = STATE_ON;
1358                 viafb_primary_dev = CRT_Device;
1359         } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
1360                 /* LCD+CRT */
1361                 viafb_CRT_ON = STATE_ON;
1362                 viafb_LCD_ON = STATE_ON;
1363                 viafb_primary_dev = LCD_Device;
1364         } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
1365                 /* DVI+LCD */
1366                 viafb_DVI_ON = STATE_ON;
1367                 viafb_LCD_ON = STATE_ON;
1368                 viafb_primary_dev = DVI_Device;
1369         } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
1370                 /* LCD+DVI */
1371                 viafb_DVI_ON = STATE_ON;
1372                 viafb_LCD_ON = STATE_ON;
1373                 viafb_primary_dev = LCD_Device;
1374         } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
1375                 viafb_LCD_ON = STATE_ON;
1376                 viafb_LCD2_ON = STATE_ON;
1377                 viafb_primary_dev = LCD_Device;
1378         } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
1379                 viafb_LCD_ON = STATE_ON;
1380                 viafb_LCD2_ON = STATE_ON;
1381                 viafb_primary_dev = LCD2_Device;
1382         } else if (!strncmp(viafb_active_dev, "CRT", 3)) {
1383                 /* CRT only */
1384                 viafb_CRT_ON = STATE_ON;
1385                 viafb_SAMM_ON = STATE_OFF;
1386         } else if (!strncmp(viafb_active_dev, "DVI", 3)) {
1387                 /* DVI only */
1388                 viafb_DVI_ON = STATE_ON;
1389                 viafb_SAMM_ON = STATE_OFF;
1390         } else if (!strncmp(viafb_active_dev, "LCD", 3)) {
1391                 /* LCD only */
1392                 viafb_LCD_ON = STATE_ON;
1393                 viafb_SAMM_ON = STATE_OFF;
1394         } else {
1395                 viafb_CRT_ON = STATE_ON;
1396                 viafb_SAMM_ON = STATE_OFF;
1397         }
1398 }
1399
1400 static int parse_port(char *opt_str, int *output_interface)
1401 {
1402         if (!strncmp(opt_str, "DVP0", 4))
1403                 *output_interface = INTERFACE_DVP0;
1404         else if (!strncmp(opt_str, "DVP1", 4))
1405                 *output_interface = INTERFACE_DVP1;
1406         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1407                 *output_interface = INTERFACE_DFP;
1408         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1409                 *output_interface = INTERFACE_DFP_HIGH;
1410         else if (!strncmp(opt_str, "DFP_LOW", 7))
1411                 *output_interface = INTERFACE_DFP_LOW;
1412         else
1413                 *output_interface = INTERFACE_NONE;
1414         return 0;
1415 }
1416
1417 static void parse_lcd_port(void)
1418 {
1419         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1420                 output_interface);
1421         /*Initialize to avoid unexpected behavior */
1422         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1423         INTERFACE_NONE;
1424
1425         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1426                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1427                   output_interface);
1428 }
1429
1430 static void parse_dvi_port(void)
1431 {
1432         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1433                 output_interface);
1434
1435         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1436                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1437                   output_interface);
1438 }
1439
1440 /*
1441  * The proc filesystem read/write function, a simple proc implement to
1442  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1443  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1444  * CR9B,    SR65,    CR97,    CR99
1445  */
1446 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1447 {
1448         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1449         dvp0_data_dri =
1450             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1451             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1452         dvp0_clk_dri =
1453             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1454             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1455         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1456         seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1457         return 0;
1458 }
1459
1460 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1461 {
1462         return single_open(file, viafb_dvp0_proc_show, NULL);
1463 }
1464
1465 static ssize_t viafb_dvp0_proc_write(struct file *file,
1466         const char __user *buffer, size_t count, loff_t *pos)
1467 {
1468         char buf[20], *value, *pbuf;
1469         u8 reg_val = 0;
1470         unsigned long length, i;
1471         if (count < 1)
1472                 return -EINVAL;
1473         length = count > 20 ? 20 : count;
1474         if (copy_from_user(&buf[0], buffer, length))
1475                 return -EFAULT;
1476         buf[length - 1] = '\0'; /*Ensure end string */
1477         pbuf = &buf[0];
1478         for (i = 0; i < 3; i++) {
1479                 value = strsep(&pbuf, " ");
1480                 if (value != NULL) {
1481                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1482                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1483                                   reg_val);
1484                         switch (i) {
1485                         case 0:
1486                                 viafb_write_reg_mask(CR96, VIACR,
1487                                         reg_val, 0x0f);
1488                                 break;
1489                         case 1:
1490                                 viafb_write_reg_mask(SR2A, VIASR,
1491                                         reg_val << 4, BIT5);
1492                                 viafb_write_reg_mask(SR1B, VIASR,
1493                                         reg_val << 1, BIT1);
1494                                 break;
1495                         case 2:
1496                                 viafb_write_reg_mask(SR2A, VIASR,
1497                                         reg_val << 3, BIT4);
1498                                 viafb_write_reg_mask(SR1E, VIASR,
1499                                         reg_val << 2, BIT2);
1500                                 break;
1501                         default:
1502                                 break;
1503                         }
1504                 } else {
1505                         break;
1506                 }
1507         }
1508         return count;
1509 }
1510
1511 static const struct file_operations viafb_dvp0_proc_fops = {
1512         .owner          = THIS_MODULE,
1513         .open           = viafb_dvp0_proc_open,
1514         .read           = seq_read,
1515         .llseek         = seq_lseek,
1516         .release        = single_release,
1517         .write          = viafb_dvp0_proc_write,
1518 };
1519
1520 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1521 {
1522         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1523         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1524         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1525         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1526         seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1527         return 0;
1528 }
1529
1530 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1531 {
1532         return single_open(file, viafb_dvp1_proc_show, NULL);
1533 }
1534
1535 static ssize_t viafb_dvp1_proc_write(struct file *file,
1536         const char __user *buffer, size_t count, loff_t *pos)
1537 {
1538         char buf[20], *value, *pbuf;
1539         u8 reg_val = 0;
1540         unsigned long length, i;
1541         if (count < 1)
1542                 return -EINVAL;
1543         length = count > 20 ? 20 : count;
1544         if (copy_from_user(&buf[0], buffer, length))
1545                 return -EFAULT;
1546         buf[length - 1] = '\0'; /*Ensure end string */
1547         pbuf = &buf[0];
1548         for (i = 0; i < 3; i++) {
1549                 value = strsep(&pbuf, " ");
1550                 if (value != NULL) {
1551                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1552                         switch (i) {
1553                         case 0:
1554                                 viafb_write_reg_mask(CR9B, VIACR,
1555                                         reg_val, 0x0f);
1556                                 break;
1557                         case 1:
1558                                 viafb_write_reg_mask(SR65, VIASR,
1559                                         reg_val << 2, 0x0c);
1560                                 break;
1561                         case 2:
1562                                 viafb_write_reg_mask(SR65, VIASR,
1563                                         reg_val, 0x03);
1564                                 break;
1565                         default:
1566                                 break;
1567                         }
1568                 } else {
1569                         break;
1570                 }
1571         }
1572         return count;
1573 }
1574
1575 static const struct file_operations viafb_dvp1_proc_fops = {
1576         .owner          = THIS_MODULE,
1577         .open           = viafb_dvp1_proc_open,
1578         .read           = seq_read,
1579         .llseek         = seq_lseek,
1580         .release        = single_release,
1581         .write          = viafb_dvp1_proc_write,
1582 };
1583
1584 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1585 {
1586         u8 dfp_high = 0;
1587         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1588         seq_printf(m, "%x\n", dfp_high);
1589         return 0;
1590 }
1591
1592 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1593 {
1594         return single_open(file, viafb_dfph_proc_show, NULL);
1595 }
1596
1597 static ssize_t viafb_dfph_proc_write(struct file *file,
1598         const char __user *buffer, size_t count, loff_t *pos)
1599 {
1600         char buf[20];
1601         u8 reg_val = 0;
1602         unsigned long length;
1603         if (count < 1)
1604                 return -EINVAL;
1605         length = count > 20 ? 20 : count;
1606         if (copy_from_user(&buf[0], buffer, length))
1607                 return -EFAULT;
1608         buf[length - 1] = '\0'; /*Ensure end string */
1609         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1610         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1611         return count;
1612 }
1613
1614 static const struct file_operations viafb_dfph_proc_fops = {
1615         .owner          = THIS_MODULE,
1616         .open           = viafb_dfph_proc_open,
1617         .read           = seq_read,
1618         .llseek         = seq_lseek,
1619         .release        = single_release,
1620         .write          = viafb_dfph_proc_write,
1621 };
1622
1623 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1624 {
1625         u8 dfp_low = 0;
1626         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1627         seq_printf(m, "%x\n", dfp_low);
1628         return 0;
1629 }
1630
1631 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1632 {
1633         return single_open(file, viafb_dfpl_proc_show, NULL);
1634 }
1635
1636 static ssize_t viafb_dfpl_proc_write(struct file *file,
1637         const char __user *buffer, size_t count, loff_t *pos)
1638 {
1639         char buf[20];
1640         u8 reg_val = 0;
1641         unsigned long length;
1642         if (count < 1)
1643                 return -EINVAL;
1644         length = count > 20 ? 20 : count;
1645         if (copy_from_user(&buf[0], buffer, length))
1646                 return -EFAULT;
1647         buf[length - 1] = '\0'; /*Ensure end string */
1648         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1649         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1650         return count;
1651 }
1652
1653 static const struct file_operations viafb_dfpl_proc_fops = {
1654         .owner          = THIS_MODULE,
1655         .open           = viafb_dfpl_proc_open,
1656         .read           = seq_read,
1657         .llseek         = seq_lseek,
1658         .release        = single_release,
1659         .write          = viafb_dfpl_proc_write,
1660 };
1661
1662 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1663 {
1664         u8 vt1636_08 = 0, vt1636_09 = 0;
1665         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1666         case VT1636_LVDS:
1667                 vt1636_08 =
1668                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1669                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1670                 vt1636_09 =
1671                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1672                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1673                 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1674                 break;
1675         default:
1676                 break;
1677         }
1678         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1679         case VT1636_LVDS:
1680                 vt1636_08 =
1681                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1682                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1683                 vt1636_09 =
1684                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1685                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1686                 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1687                 break;
1688         default:
1689                 break;
1690         }
1691         return 0;
1692 }
1693
1694 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1695 {
1696         return single_open(file, viafb_vt1636_proc_show, NULL);
1697 }
1698
1699 static ssize_t viafb_vt1636_proc_write(struct file *file,
1700         const char __user *buffer, size_t count, loff_t *pos)
1701 {
1702         char buf[30], *value, *pbuf;
1703         struct IODATA reg_val;
1704         unsigned long length, i;
1705         if (count < 1)
1706                 return -EINVAL;
1707         length = count > 30 ? 30 : count;
1708         if (copy_from_user(&buf[0], buffer, length))
1709                 return -EFAULT;
1710         buf[length - 1] = '\0'; /*Ensure end string */
1711         pbuf = &buf[0];
1712         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1713         case VT1636_LVDS:
1714                 for (i = 0; i < 2; i++) {
1715                         value = strsep(&pbuf, " ");
1716                         if (value != NULL) {
1717                                 strict_strtoul(value, 0,
1718                                         (unsigned long *)&reg_val.Data);
1719                                 switch (i) {
1720                                 case 0:
1721                                         reg_val.Index = 0x08;
1722                                         reg_val.Mask = 0x0f;
1723                                         viafb_gpio_i2c_write_mask_lvds
1724                                             (viaparinfo->lvds_setting_info,
1725                                             &viaparinfo->
1726                                             chip_info->lvds_chip_info,
1727                                              reg_val);
1728                                         break;
1729                                 case 1:
1730                                         reg_val.Index = 0x09;
1731                                         reg_val.Mask = 0x1f;
1732                                         viafb_gpio_i2c_write_mask_lvds
1733                                             (viaparinfo->lvds_setting_info,
1734                                             &viaparinfo->
1735                                             chip_info->lvds_chip_info,
1736                                              reg_val);
1737                                         break;
1738                                 default:
1739                                         break;
1740                                 }
1741                         } else {
1742                                 break;
1743                         }
1744                 }
1745                 break;
1746         default:
1747                 break;
1748         }
1749         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1750         case VT1636_LVDS:
1751                 for (i = 0; i < 2; i++) {
1752                         value = strsep(&pbuf, " ");
1753                         if (value != NULL) {
1754                                 strict_strtoul(value, 0,
1755                                         (unsigned long *)&reg_val.Data);
1756                                 switch (i) {
1757                                 case 0:
1758                                         reg_val.Index = 0x08;
1759                                         reg_val.Mask = 0x0f;
1760                                         viafb_gpio_i2c_write_mask_lvds
1761                                             (viaparinfo->lvds_setting_info2,
1762                                             &viaparinfo->
1763                                             chip_info->lvds_chip_info2,
1764                                              reg_val);
1765                                         break;
1766                                 case 1:
1767                                         reg_val.Index = 0x09;
1768                                         reg_val.Mask = 0x1f;
1769                                         viafb_gpio_i2c_write_mask_lvds
1770                                             (viaparinfo->lvds_setting_info2,
1771                                             &viaparinfo->
1772                                             chip_info->lvds_chip_info2,
1773                                              reg_val);
1774                                         break;
1775                                 default:
1776                                         break;
1777                                 }
1778                         } else {
1779                                 break;
1780                         }
1781                 }
1782                 break;
1783         default:
1784                 break;
1785         }
1786         return count;
1787 }
1788
1789 static const struct file_operations viafb_vt1636_proc_fops = {
1790         .owner          = THIS_MODULE,
1791         .open           = viafb_vt1636_proc_open,
1792         .read           = seq_read,
1793         .llseek         = seq_lseek,
1794         .release        = single_release,
1795         .write          = viafb_vt1636_proc_write,
1796 };
1797
1798 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1799 {
1800         *viafb_entry = proc_mkdir("viafb", NULL);
1801         if (*viafb_entry) {
1802                 proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
1803                 proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
1804                 proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
1805                 proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
1806                 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1807                         lvds_chip_name || VT1636_LVDS ==
1808                     viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1809                         proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
1810                 }
1811
1812         }
1813 }
1814 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1815 {
1816         /* no problem if it was not registered */
1817         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1818         remove_proc_entry("dvp1", viafb_entry);
1819         remove_proc_entry("dfph", viafb_entry);
1820         remove_proc_entry("dfpl", viafb_entry);
1821         remove_proc_entry("vt1636", viafb_entry);
1822         remove_proc_entry("vt1625", viafb_entry);
1823         remove_proc_entry("viafb", NULL);
1824 }
1825
1826 static void parse_mode(const char *str, u32 *xres, u32 *yres)
1827 {
1828         char *ptr;
1829
1830         *xres = simple_strtoul(str, &ptr, 10);
1831         if (ptr[0] != 'x')
1832                 goto out_default;
1833
1834         *yres = simple_strtoul(&ptr[1], &ptr, 10);
1835         if (ptr[0])
1836                 goto out_default;
1837
1838         return;
1839
1840 out_default:
1841         printk(KERN_WARNING "viafb received invalid mode string: %s\n", str);
1842         *xres = 640;
1843         *yres = 480;
1844 }
1845
1846 static int __devinit via_pci_probe(struct pci_dev *pdev,
1847                                    const struct pci_device_id *ent)
1848 {
1849         u32 default_xres, default_yres;
1850         int vmode_index;
1851         u32 viafb_par_length;
1852
1853         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1854
1855         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1856
1857         /* Allocate fb_info and ***_par here, also including some other needed
1858          * variables
1859         */
1860         viafbinfo = framebuffer_alloc(viafb_par_length +
1861                 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1862                 &pdev->dev);
1863         if (!viafbinfo) {
1864                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1865                 return -ENODEV;
1866         }
1867
1868         viaparinfo = (struct viafb_par *)viafbinfo->par;
1869         viaparinfo->shared = viafbinfo->par + viafb_par_length;
1870         viaparinfo->vram_addr = 0;
1871         viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1872         viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1873         viaparinfo->lvds_setting_info2 =
1874                 &viaparinfo->shared->lvds_setting_info2;
1875         viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1876         viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1877
1878         if (viafb_dual_fb)
1879                 viafb_SAMM_ON = 1;
1880         parse_active_dev();
1881         parse_lcd_port();
1882         parse_dvi_port();
1883
1884         /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
1885         if (!viafb_SAMM_ON)
1886                 viafb_dual_fb = 0;
1887
1888         /* Set up I2C bus stuff */
1889         viafb_create_i2c_bus(viaparinfo);
1890
1891         viafb_init_chip_info(pdev, ent);
1892         viaparinfo->fbmem = pci_resource_start(pdev, 0);
1893         viaparinfo->memsize = viafb_get_fb_size_from_pci();
1894         viaparinfo->fbmem_free = viaparinfo->memsize;
1895         viaparinfo->fbmem_used = 0;
1896         viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,
1897                 viaparinfo->memsize);
1898         if (!viafbinfo->screen_base) {
1899                 printk(KERN_INFO "ioremap failed\n");
1900                 return -ENOMEM;
1901         }
1902
1903         viafbinfo->fix.mmio_start = pci_resource_start(pdev, 1);
1904         viafbinfo->fix.mmio_len = pci_resource_len(pdev, 1);
1905         viafbinfo->node = 0;
1906         viafbinfo->fbops = &viafb_ops;
1907         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1908
1909         viafbinfo->pseudo_palette = pseudo_pal;
1910         if (viafb_accel && !viafb_init_engine(viafbinfo)) {
1911                 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1912                         FBINFO_HWACCEL_FILLRECT |  FBINFO_HWACCEL_IMAGEBLIT;
1913                 default_var.accel_flags = FB_ACCELF_TEXT;
1914         } else {
1915                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1916                 default_var.accel_flags = 0;
1917         }
1918
1919         if (viafb_second_size && (viafb_second_size < 8)) {
1920                 viafb_second_offset = viaparinfo->fbmem_free -
1921                         viafb_second_size * 1024 * 1024;
1922         } else {
1923                 viafb_second_size = 8;
1924                 viafb_second_offset = viaparinfo->fbmem_free -
1925                         viafb_second_size * 1024 * 1024;
1926         }
1927
1928         parse_mode(viafb_mode, &default_xres, &default_yres);
1929         vmode_index = viafb_get_mode_index(default_xres, default_yres);
1930         DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
1931
1932         if (viafb_SAMM_ON == 1) {
1933                 parse_mode(viafb_mode1, &viafb_second_xres,
1934                         &viafb_second_yres);
1935
1936                 if (0 == viafb_second_virtual_xres) {
1937                         switch (viafb_second_xres) {
1938                         case 1400:
1939                                 viafb_second_virtual_xres = 1408;
1940                                 break;
1941                         default:
1942                                 viafb_second_virtual_xres = viafb_second_xres;
1943                                 break;
1944                         }
1945                 }
1946                 if (0 == viafb_second_virtual_yres)
1947                         viafb_second_virtual_yres = viafb_second_yres;
1948         }
1949
1950         switch (viafb_bpp) {
1951         case 0 ... 8:
1952                 viafb_bpp = 8;
1953                 break;
1954         case 9 ... 16:
1955                 viafb_bpp = 16;
1956                 break;
1957         case 17 ... 32:
1958                 viafb_bpp = 32;
1959                 break;
1960         default:
1961                 viafb_bpp = 8;
1962         }
1963         default_var.xres = default_xres;
1964         default_var.yres = default_yres;
1965         switch (default_xres) {
1966         case 1400:
1967                 default_var.xres_virtual = 1408;
1968                 break;
1969         default:
1970                 default_var.xres_virtual = default_xres;
1971                 break;
1972         }
1973         default_var.yres_virtual = default_yres;
1974         default_var.bits_per_pixel = viafb_bpp;
1975         if (default_var.bits_per_pixel == 15)
1976                 default_var.bits_per_pixel = 16;
1977         default_var.pixclock =
1978             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1979         default_var.left_margin = (default_xres >> 3) & 0xf8;
1980         default_var.right_margin = 32;
1981         default_var.upper_margin = 16;
1982         default_var.lower_margin = 4;
1983         default_var.hsync_len = default_var.left_margin;
1984         default_var.vsync_len = 4;
1985
1986         if (viafb_dual_fb) {
1987                 viafbinfo1 = framebuffer_alloc(viafb_par_length, &pdev->dev);
1988                 if (!viafbinfo1) {
1989                         printk(KERN_ERR
1990                         "allocate the second framebuffer struct error\n");
1991                         framebuffer_release(viafbinfo);
1992                         return -ENOMEM;
1993                 }
1994                 viaparinfo1 = viafbinfo1->par;
1995                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1996                 viaparinfo1->vram_addr = viafb_second_offset;
1997                 viaparinfo1->memsize = viaparinfo->memsize -
1998                         viafb_second_offset;
1999                 viaparinfo->memsize = viafb_second_offset;
2000                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
2001
2002                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
2003                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
2004                         viaparinfo1->fbmem_used;
2005                 viaparinfo->fbmem_free = viaparinfo->memsize;
2006                 viaparinfo->fbmem_used = 0;
2007
2008                 viaparinfo->iga_path = IGA1;
2009                 viaparinfo1->iga_path = IGA2;
2010                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2011                 viafbinfo1->par = viaparinfo1;
2012                 viafbinfo1->screen_base = viafbinfo->screen_base +
2013                         viafb_second_offset;
2014
2015                 default_var.xres = viafb_second_xres;
2016                 default_var.yres = viafb_second_yres;
2017                 default_var.xres_virtual = viafb_second_virtual_xres;
2018                 default_var.yres_virtual = viafb_second_virtual_yres;
2019                 if (viafb_bpp1 != viafb_bpp)
2020                         viafb_bpp1 = viafb_bpp;
2021                 default_var.bits_per_pixel = viafb_bpp1;
2022                 default_var.pixclock =
2023                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2024                     viafb_refresh);
2025                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2026                 default_var.right_margin = 32;
2027                 default_var.upper_margin = 16;
2028                 default_var.lower_margin = 4;
2029                 default_var.hsync_len = default_var.left_margin;
2030                 default_var.vsync_len = 4;
2031
2032                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2033                 viafb_check_var(&default_var, viafbinfo1);
2034                 viafbinfo1->var = default_var;
2035                 viafb_update_fix(viafbinfo1);
2036                 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
2037                         &viafbinfo1->fix);
2038         }
2039
2040         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2041         viafb_check_var(&default_var, viafbinfo);
2042         viafbinfo->var = default_var;
2043         viafb_update_fix(viafbinfo);
2044         viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
2045                 &viafbinfo->fix);
2046         default_var.activate = FB_ACTIVATE_NOW;
2047         fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2048
2049         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2050             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2051                 if (register_framebuffer(viafbinfo1) < 0)
2052                         return -EINVAL;
2053         }
2054         if (register_framebuffer(viafbinfo) < 0)
2055                 return -EINVAL;
2056
2057         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2058                         || (viaparinfo->chip_info->gfx_chip_name !=
2059                         UNICHROME_CLE266))) {
2060                 if (register_framebuffer(viafbinfo1) < 0)
2061                         return -EINVAL;
2062         }
2063         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2064                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2065                   default_var.yres, default_var.bits_per_pixel);
2066
2067         viafb_init_proc(&viaparinfo->shared->proc_entry);
2068         viafb_init_dac(IGA2);
2069         return 0;
2070 }
2071
2072 static void __devexit via_pci_remove(struct pci_dev *pdev)
2073 {
2074         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2075         fb_dealloc_cmap(&viafbinfo->cmap);
2076         unregister_framebuffer(viafbinfo);
2077         if (viafb_dual_fb)
2078                 unregister_framebuffer(viafbinfo1);
2079         iounmap((void *)viafbinfo->screen_base);
2080         iounmap(viaparinfo->shared->engine_mmio);
2081
2082         viafb_delete_i2c_buss(viaparinfo);
2083
2084         framebuffer_release(viafbinfo);
2085         if (viafb_dual_fb)
2086                 framebuffer_release(viafbinfo1);
2087
2088         viafb_remove_proc(viaparinfo->shared->proc_entry);
2089 }
2090
2091 #ifndef MODULE
2092 static int __init viafb_setup(char *options)
2093 {
2094         char *this_opt;
2095         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2096
2097         if (!options || !*options)
2098                 return 0;
2099
2100         while ((this_opt = strsep(&options, ",")) != NULL) {
2101                 if (!*this_opt)
2102                         continue;
2103
2104                 if (!strncmp(this_opt, "viafb_mode1=", 12))
2105                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2106                 else if (!strncmp(this_opt, "viafb_mode=", 11))
2107                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2108                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2109                         strict_strtoul(this_opt + 11, 0,
2110                                 (unsigned long *)&viafb_bpp1);
2111                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2112                         strict_strtoul(this_opt + 10, 0,
2113                                 (unsigned long *)&viafb_bpp);
2114                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2115                         strict_strtoul(this_opt + 15, 0,
2116                                 (unsigned long *)&viafb_refresh1);
2117                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2118                         strict_strtoul(this_opt + 14, 0,
2119                                 (unsigned long *)&viafb_refresh);
2120                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2121                         strict_strtoul(this_opt + 21, 0,
2122                                 (unsigned long *)&viafb_lcd_dsp_method);
2123                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2124                         strict_strtoul(this_opt + 19, 0,
2125                                 (unsigned long *)&viafb_lcd_panel_id);
2126                 else if (!strncmp(this_opt, "viafb_accel=", 12))
2127                         strict_strtoul(this_opt + 12, 0,
2128                                 (unsigned long *)&viafb_accel);
2129                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2130                         strict_strtoul(this_opt + 14, 0,
2131                                 (unsigned long *)&viafb_SAMM_ON);
2132                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2133                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2134                 else if (!strncmp(this_opt,
2135                         "viafb_display_hardware_layout=", 30))
2136                         strict_strtoul(this_opt + 30, 0,
2137                         (unsigned long *)&viafb_display_hardware_layout);
2138                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2139                         strict_strtoul(this_opt + 18, 0,
2140                                 (unsigned long *)&viafb_second_size);
2141                 else if (!strncmp(this_opt,
2142                         "viafb_platform_epia_dvi=", 24))
2143                         strict_strtoul(this_opt + 24, 0,
2144                                 (unsigned long *)&viafb_platform_epia_dvi);
2145                 else if (!strncmp(this_opt,
2146                         "viafb_device_lcd_dualedge=", 26))
2147                         strict_strtoul(this_opt + 26, 0,
2148                                 (unsigned long *)&viafb_device_lcd_dualedge);
2149                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2150                         strict_strtoul(this_opt + 16, 0,
2151                                 (unsigned long *)&viafb_bus_width);
2152                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2153                         strict_strtoul(this_opt + 15, 0,
2154                                 (unsigned long *)&viafb_lcd_mode);
2155                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2156                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2157                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2158                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2159         }
2160         return 0;
2161 }
2162 #endif
2163
2164 static struct pci_device_id viafb_pci_table[] __devinitdata = {
2165         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CLE266_DID),
2166           .driver_data = UNICHROME_CLE266 },
2167         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_PM800_DID),
2168           .driver_data = UNICHROME_PM800 },
2169         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K400_DID),
2170           .driver_data = UNICHROME_K400 },
2171         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K800_DID),
2172           .driver_data = UNICHROME_K800 },
2173         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M890_DID),
2174           .driver_data = UNICHROME_CN700 },
2175         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K8M890_DID),
2176           .driver_data = UNICHROME_K8M890 },
2177         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CX700_DID),
2178           .driver_data = UNICHROME_CX700 },
2179         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M900_DID),
2180           .driver_data = UNICHROME_P4M900 },
2181         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CN750_DID),
2182           .driver_data = UNICHROME_CN750 },
2183         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX800_DID),
2184           .driver_data = UNICHROME_VX800 },
2185         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX855_DID),
2186           .driver_data = UNICHROME_VX855 },
2187         { }
2188 };
2189 MODULE_DEVICE_TABLE(pci, viafb_pci_table);
2190
2191 static struct pci_driver viafb_driver = {
2192         .name           = "viafb",
2193         .id_table       = viafb_pci_table,
2194         .probe          = via_pci_probe,
2195         .remove         = __devexit_p(via_pci_remove),
2196 };
2197
2198 static int __init viafb_init(void)
2199 {
2200 #ifndef MODULE
2201         char *option = NULL;
2202         if (fb_get_options("viafb", &option))
2203                 return -ENODEV;
2204         viafb_setup(option);
2205 #endif
2206         printk(KERN_INFO
2207        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2208                VERSION_MAJOR, VERSION_MINOR);
2209         return pci_register_driver(&viafb_driver);
2210 }
2211
2212 static void __exit viafb_exit(void)
2213 {
2214         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2215         pci_unregister_driver(&viafb_driver);
2216 }
2217
2218 static struct fb_ops viafb_ops = {
2219         .owner = THIS_MODULE,
2220         .fb_open = viafb_open,
2221         .fb_release = viafb_release,
2222         .fb_check_var = viafb_check_var,
2223         .fb_set_par = viafb_set_par,
2224         .fb_setcolreg = viafb_setcolreg,
2225         .fb_pan_display = viafb_pan_display,
2226         .fb_blank = viafb_blank,
2227         .fb_fillrect = viafb_fillrect,
2228         .fb_copyarea = viafb_copyarea,
2229         .fb_imageblit = viafb_imageblit,
2230         .fb_cursor = viafb_cursor,
2231         .fb_ioctl = viafb_ioctl,
2232         .fb_sync = viafb_sync,
2233         .fb_setcmap = viafb_setcmap,
2234 };
2235
2236 module_init(viafb_init);
2237 module_exit(viafb_exit);
2238
2239 #ifdef MODULE
2240 module_param(viafb_memsize, int, S_IRUSR);
2241
2242 module_param(viafb_mode, charp, S_IRUSR);
2243 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2244
2245 module_param(viafb_mode1, charp, S_IRUSR);
2246 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2247
2248 module_param(viafb_bpp, int, S_IRUSR);
2249 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2250
2251 module_param(viafb_bpp1, int, S_IRUSR);
2252 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2253
2254 module_param(viafb_refresh, int, S_IRUSR);
2255 MODULE_PARM_DESC(viafb_refresh,
2256         "Set CRT viafb_refresh rate (default = 60)");
2257
2258 module_param(viafb_refresh1, int, S_IRUSR);
2259 MODULE_PARM_DESC(viafb_refresh1,
2260         "Set CRT refresh rate (default = 60)");
2261
2262 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2263 MODULE_PARM_DESC(viafb_lcd_panel_id,
2264         "Set Flat Panel type(Default=1024x768)");
2265
2266 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2267 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2268         "Set Flat Panel display scaling method.(Default=Expandsion)");
2269
2270 module_param(viafb_SAMM_ON, int, S_IRUSR);
2271 MODULE_PARM_DESC(viafb_SAMM_ON,
2272         "Turn on/off flag of SAMM(Default=OFF)");
2273
2274 module_param(viafb_accel, int, S_IRUSR);
2275 MODULE_PARM_DESC(viafb_accel,
2276         "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2277
2278 module_param(viafb_active_dev, charp, S_IRUSR);
2279 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2280
2281 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2282 MODULE_PARM_DESC(viafb_display_hardware_layout,
2283         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2284
2285 module_param(viafb_second_size, int, S_IRUSR);
2286 MODULE_PARM_DESC(viafb_second_size,
2287         "Set secondary device memory size");
2288
2289 module_param(viafb_dual_fb, int, S_IRUSR);
2290 MODULE_PARM_DESC(viafb_dual_fb,
2291         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2292
2293 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2294 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2295         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2296
2297 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2298 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2299         "Turn on/off flag of dual edge panel.(Default = OFF)");
2300
2301 module_param(viafb_bus_width, int, S_IRUSR);
2302 MODULE_PARM_DESC(viafb_bus_width,
2303         "Set bus width of panel.(Default = 12)");
2304
2305 module_param(viafb_lcd_mode, int, S_IRUSR);
2306 MODULE_PARM_DESC(viafb_lcd_mode,
2307         "Set Flat Panel mode(Default=OPENLDI)");
2308
2309 module_param(viafb_lcd_port, charp, S_IRUSR);
2310 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2311
2312 module_param(viafb_dvi_port, charp, S_IRUSR);
2313 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2314
2315 MODULE_LICENSE("GPL");
2316 #endif