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