SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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 #define _MASTER_FILE
  24
  25 #include "global.h"
  26
  27 static int MAX_CURS = 32;
  28 static struct fb_var_screeninfo default_var;
  29 static char *viafb_name = "Via";
  30 static u32 pseudo_pal[17];
  31
  32 /* video mode */
  33 static char *viafb_mode = "640x480";
  34 static char *viafb_mode1 = "640x480";
  35
  36 /* Added for specifying active devices.*/
  37 char *viafb_active_dev = "";
  38
  39 /*Added for specify lcd output port*/
  40 char *viafb_lcd_port = "";
  41 char *viafb_dvi_port = "";
  42
  43 static void viafb_set_device(struct device_t active_dev);
  44 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
  45                          struct fb_info *info);
  46 static void apply_second_mode_setting(struct fb_var_screeninfo
  47         *sec_var);
  48 static void retrieve_device_setting(struct viafb_ioctl_setting
  49         *setting_info);
  50
  51 static struct fb_ops viafb_ops;
  52
  53
  54 static void viafb_update_fix(struct fb_info *info)
  55 {
  56         u32 bpp = info->var.bits_per_pixel;
  57
  58         info->fix.visual =
  59                 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
  60         info->fix.line_length =
  61                 ((info->var.xres_virtual + 7) & ~7) * bpp / 8;
  62 }
  63
  64 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
  65         struct viafb_par *viaparinfo)
  66 {
  67         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
  68         strcpy(fix->id, viafb_name);
  69
  70         fix->smem_start = viaparinfo->fbmem;
  71         fix->smem_len = viaparinfo->fbmem_free;
  72
  73         fix->type = FB_TYPE_PACKED_PIXELS;
  74         fix->type_aux = 0;
  75
  76         fix->xpanstep = fix->ywrapstep = 0;
  77         fix->ypanstep = 1;
  78
  79         /* Just tell the accel name */
  80         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
  81 }
  82 static int viafb_open(struct fb_info *info, int user)
  83 {
  84         DEBUG_MSG(KERN_INFO "viafb_open!\n");
  85         return 0;
  86 }
  87
  88 static int viafb_release(struct fb_info *info, int user)
  89 {
  90         DEBUG_MSG(KERN_INFO "viafb_release!\n");
  91         return 0;
  92 }
  93
  94 static int viafb_check_var(struct fb_var_screeninfo *var,
  95         struct fb_info *info)
  96 {
  97         int vmode_index, htotal, vtotal;
  98         struct viafb_par *ppar = info->par;
  99         u32 long_refresh;
 100
 101         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 102         /* Sanity check */
 103         /* HW neither support interlacte nor double-scaned mode */
 104         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 105                 return -EINVAL;
 106
 107         vmode_index = viafb_get_mode_index(var->xres, var->yres);
 108         if (vmode_index == VIA_RES_INVALID) {
 109                 DEBUG_MSG(KERN_INFO
 110                           "viafb: Mode %dx%dx%d not supported!!\n",
 111                           var->xres, var->yres, var->bits_per_pixel);
 112                 return -EINVAL;
 113         }
 114
 115         if (24 == var->bits_per_pixel)
 116                 var->bits_per_pixel = 32;
 117
 118         if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
 119                 var->bits_per_pixel != 32)
 120                 return -EINVAL;
 121
 122         if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
 123                 /*32 pixel alignment */
 124                 var->xres_virtual = (var->xres_virtual + 31) & ~31;
 125         if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
 126                 ppar->memsize)
 127                 return -EINVAL;
 128
 129         /* Based on var passed in to calculate the refresh,
 130          * because our driver use some modes special.
 131          */
 132         htotal = var->xres + var->left_margin +
 133         var->right_margin + var->hsync_len;
 134         vtotal = var->yres + var->upper_margin +
 135                 var->lower_margin + var->vsync_len;
 136         long_refresh = 1000000000UL / var->pixclock * 1000;
 137         long_refresh /= (htotal * vtotal);
 138
 139         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 140
 141         /* Adjust var according to our driver's own table */
 142         viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
 143
 144         return 0;
 145 }
 146
 147 static int viafb_set_par(struct fb_info *info)
 148 {
 149         struct viafb_par *viapar = info->par;
 150         int vmode_index;
 151         int vmode_index1 = 0;
 152         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 153
 154         viapar->depth = fb_get_color_depth(&info->var, &info->fix);
 155         viafb_update_device_setting(info->var.xres, info->var.yres,
 156                               info->var.bits_per_pixel, viafb_refresh, 0);
 157
 158         vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
 159
 160         if (viafb_SAMM_ON == 1) {
 161                 DEBUG_MSG(KERN_INFO
 162                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 163                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 164                 vmode_index1 = viafb_get_mode_index(viafb_second_xres,
 165                         viafb_second_yres);
 166                 DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
 167                         vmode_index1);
 168
 169                 viafb_update_device_setting(viafb_second_xres,
 170                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 171         }
 172
 173         if (vmode_index != VIA_RES_INVALID) {
 174                 viafb_setmode(vmode_index, info->var.xres, info->var.yres,
 175                         info->var.bits_per_pixel, vmode_index1,
 176                         viafb_second_xres, viafb_second_yres, viafb_bpp1);
 177
 178                 /*We should set memory offset according virtual_x */
 179                 /*Fix me:put this function into viafb_setmode */
 180                 viafb_memory_pitch_patch(info);
 181                 viafb_update_fix(info);
 182                 viafb_bpp = info->var.bits_per_pixel;
 183                 /* Update viafb_accel, it is necessary to our 2D accelerate */
 184                 viafb_accel = info->var.accel_flags;
 185         }
 186
 187         return 0;
 188 }
 189
 190 /* Set one color register */
 191 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 192 unsigned blue, unsigned transp, struct fb_info *info)
 193 {
 194         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 195         unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
 196         DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
 197         if (regno >= cmap_entries)
 198                 return 1;
 199         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 200                 /*
 201                  * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
 202                  */
 203                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 204                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 205         }
 206         switch (info->var.bits_per_pixel) {
 207         case 8:
 208                 outb(0x1A, 0x3C4);
 209                 sr1a = inb(0x3C5);
 210                 outb(0x1B, 0x3C4);
 211                 sr1b = inb(0x3C5);
 212                 outb(0x67, 0x3D4);
 213                 cr67 = inb(0x3D5);
 214                 outb(0x6A, 0x3D4);
 215                 cr6a = inb(0x3D5);
 216
 217                 /* Map the 3C6/7/8/9 to the IGA2 */
 218                 outb(0x1A, 0x3C4);
 219                 outb(sr1a | 0x01, 0x3C5);
 220                 /* Second Display Engine colck always on */
 221                 outb(0x1B, 0x3C4);
 222                 outb(sr1b | 0x80, 0x3C5);
 223                 /* Second Display Color Depth 8 */
 224                 outb(0x67, 0x3D4);
 225                 outb(cr67 & 0x3F, 0x3D5);
 226                 outb(0x6A, 0x3D4);
 227                 /* Second Display Channel Reset CR6A[6]) */
 228                 outb(cr6a & 0xBF, 0x3D5);
 229                 /* Second Display Channel Enable CR6A[7] */
 230                 outb(cr6a | 0x80, 0x3D5);
 231                 /* Second Display Channel stop reset) */
 232                 outb(cr6a | 0x40, 0x3D5);
 233
 234                 /* Bit mask of palette */
 235                 outb(0xFF, 0x3c6);
 236                 /* Write one register of IGA2 */
 237                 outb(regno, 0x3C8);
 238                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 239                         rev >= 15) {
 240                         shift = 8;
 241                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 242                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 243                 } else {
 244                         shift = 10;
 245                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 246                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 247                 }
 248                 outb(red >> shift, 0x3C9);
 249                 outb(green >> shift, 0x3C9);
 250                 outb(blue >> shift, 0x3C9);
 251
 252                 /* Map the 3C6/7/8/9 to the IGA1 */
 253                 outb(0x1A, 0x3C4);
 254                 outb(sr1a & 0xFE, 0x3C5);
 255                 /* Bit mask of palette */
 256                 outb(0xFF, 0x3c6);
 257                 /* Write one register of IGA1 */
 258                 outb(regno, 0x3C8);
 259                 outb(red >> shift, 0x3C9);
 260                 outb(green >> shift, 0x3C9);
 261                 outb(blue >> shift, 0x3C9);
 262
 263                 outb(0x1A, 0x3C4);
 264                 outb(sr1a, 0x3C5);
 265                 outb(0x1B, 0x3C4);
 266                 outb(sr1b, 0x3C5);
 267                 outb(0x67, 0x3D4);
 268                 outb(cr67, 0x3D5);
 269                 outb(0x6A, 0x3D4);
 270                 outb(cr6a, 0x3D5);
 271                 break;
 272         case 16:
 273                 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
 274                     ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
 275                 break;
 276         case 32:
 277                 ((u32 *) info->pseudo_palette)[regno] =
 278                     ((transp & 0xFF00) << 16) |
 279                     ((red & 0xFF00) << 8) |
 280                     ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
 281                 break;
 282         }
 283
 284         return 0;
 285
 286 }
 287
 288 /*CALLED BY: fb_set_cmap */
 289 /*           fb_set_var, pass 256 colors */
 290 /*CALLED BY: fb_set_cmap */
 291 /*           fbcon_set_palette, pass 16 colors */
 292 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 293 {
 294         u32 len = cmap->len;
 295         u32 i;
 296         u16 *pred = cmap->red;
 297         u16 *pgreen = cmap->green;
 298         u16 *pblue = cmap->blue;
 299         u16 *ptransp = cmap->transp;
 300         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 301         if (len > 256)
 302                 return 1;
 303         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 304                 /*
 305                  * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
 306                  * rev.
 307                  */
 308                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 309                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 310         }
 311         switch (info->var.bits_per_pixel) {
 312         case 8:
 313                 outb(0x1A, 0x3C4);
 314                 sr1a = inb(0x3C5);
 315                 outb(0x1B, 0x3C4);
 316                 sr1b = inb(0x3C5);
 317                 outb(0x67, 0x3D4);
 318                 cr67 = inb(0x3D5);
 319                 outb(0x6A, 0x3D4);
 320                 cr6a = inb(0x3D5);
 321                 /* Map the 3C6/7/8/9 to the IGA2 */
 322                 outb(0x1A, 0x3C4);
 323                 outb(sr1a | 0x01, 0x3C5);
 324                 outb(0x1B, 0x3C4);
 325                 /* Second Display Engine colck always on */
 326                 outb(sr1b | 0x80, 0x3C5);
 327                 outb(0x67, 0x3D4);
 328                 /* Second Display Color Depth 8 */
 329                 outb(cr67 & 0x3F, 0x3D5);
 330                 outb(0x6A, 0x3D4);
 331                 /* Second Display Channel Reset CR6A[6]) */
 332                 outb(cr6a & 0xBF, 0x3D5);
 333                 /* Second Display Channel Enable CR6A[7] */
 334                 outb(cr6a | 0x80, 0x3D5);
 335                 /* Second Display Channel stop reset) */
 336                 outb(cr6a | 0xC0, 0x3D5);
 337
 338                 /* Bit mask of palette */
 339                 outb(0xFF, 0x3c6);
 340                 outb(0x00, 0x3C8);
 341                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 342                         rev >= 15) {
 343                         shift = 8;
 344                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 345                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 346                 } else {
 347                         shift = 10;
 348                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 349                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 350                 }
 351                 for (i = 0; i < len; i++) {
 352                         outb((*(pred + i)) >> shift, 0x3C9);
 353                         outb((*(pgreen + i)) >> shift, 0x3C9);
 354                         outb((*(pblue + i)) >> shift, 0x3C9);
 355                 }
 356
 357                 outb(0x1A, 0x3C4);
 358                 /* Map the 3C6/7/8/9 to the IGA1 */
 359                 outb(sr1a & 0xFE, 0x3C5);
 360                 /* Bit mask of palette */
 361                 outb(0xFF, 0x3c6);
 362                 outb(0x00, 0x3C8);
 363                 for (i = 0; i < len; i++) {
 364                         outb((*(pred + i)) >> shift, 0x3C9);
 365                         outb((*(pgreen + i)) >> shift, 0x3C9);
 366                         outb((*(pblue + i)) >> shift, 0x3C9);
 367                 }
 368
 369                 outb(0x1A, 0x3C4);
 370                 outb(sr1a, 0x3C5);
 371                 outb(0x1B, 0x3C4);
 372                 outb(sr1b, 0x3C5);
 373                 outb(0x67, 0x3D4);
 374                 outb(cr67, 0x3D5);
 375                 outb(0x6A, 0x3D4);
 376                 outb(cr6a, 0x3D5);
 377                 break;
 378         case 16:
 379                 if (len > 17)
 380                         return 0;       /* Because static u32 pseudo_pal[17]; */
 381                 for (i = 0; i < len; i++)
 382                         ((u32 *) info->pseudo_palette)[i] =
 383                             (*(pred + i) & 0xF800) |
 384                             ((*(pgreen + i) & 0xFC00) >> 5) |
 385                             ((*(pblue + i) & 0xF800) >> 11);
 386                 break;
 387         case 32:
 388                 if (len > 17)
 389                         return 0;
 390                 if (ptransp) {
 391                         for (i = 0; i < len; i++)
 392                                 ((u32 *) info->pseudo_palette)[i] =
 393                                     ((*(ptransp + i) & 0xFF00) << 16) |
 394                                     ((*(pred + i) & 0xFF00) << 8) |
 395                                     ((*(pgreen + i) & 0xFF00)) |
 396                                     ((*(pblue + i) & 0xFF00) >> 8);
 397                 } else {
 398                         for (i = 0; i < len; i++)
 399                                 ((u32 *) info->pseudo_palette)[i] =
 400                                     0x00000000 |
 401                                     ((*(pred + i) & 0xFF00) << 8) |
 402                                     ((*(pgreen + i) & 0xFF00)) |
 403                                     ((*(pblue + i) & 0xFF00) >> 8);
 404                 }
 405                 break;
 406         }
 407         return 0;
 408 }
 409
 410 static int viafb_pan_display(struct fb_var_screeninfo *var,
 411         struct fb_info *info)
 412 {
 413         unsigned int offset;
 414
 415         DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
 416
 417         offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
 418             var->bits_per_pixel / 16;
 419
 420         DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
 421         viafb_set_primary_address(offset);
 422         return 0;
 423 }
 424
 425 static int viafb_blank(int blank_mode, struct fb_info *info)
 426 {
 427         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 428         /* clear DPMS setting */
 429
 430         switch (blank_mode) {
 431         case FB_BLANK_UNBLANK:
 432                 /* Screen: On, HSync: On, VSync: On */
 433                 /* control CRT monitor power management */
 434                 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
 435                 break;
 436         case FB_BLANK_HSYNC_SUSPEND:
 437                 /* Screen: Off, HSync: Off, VSync: On */
 438                 /* control CRT monitor power management */
 439                 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
 440                 break;
 441         case FB_BLANK_VSYNC_SUSPEND:
 442                 /* Screen: Off, HSync: On, VSync: Off */
 443                 /* control CRT monitor power management */
 444                 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
 445                 break;
 446         case FB_BLANK_POWERDOWN:
 447                 /* Screen: Off, HSync: Off, VSync: Off */
 448                 /* control CRT monitor power management */
 449                 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
 450                 break;
 451         }
 452
 453         return 0;
 454 }
 455
 456 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 457 {
 458         union {
 459                 struct viafb_ioctl_mode viamode;
 460                 struct viafb_ioctl_samm viasamm;
 461                 struct viafb_driver_version driver_version;
 462                 struct fb_var_screeninfo sec_var;
 463                 struct _panel_size_pos_info panel_pos_size_para;
 464                 struct viafb_ioctl_setting viafb_setting;
 465                 struct device_t active_dev;
 466         } u;
 467         u32 state_info = 0;
 468         u32 *viafb_gamma_table;
 469         char driver_name[] = "viafb";
 470
 471         u32 __user *argp = (u32 __user *) arg;
 472         u32 gpu32;
 473
 474         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 475         memset(&u, 0, sizeof(u));
 476
 477         switch (cmd) {
 478         case VIAFB_GET_CHIP_INFO:
 479                 if (copy_to_user(argp, viaparinfo->chip_info,
 480                                 sizeof(struct chip_information)))
 481                         return -EFAULT;
 482                 break;
 483         case VIAFB_GET_INFO_SIZE:
 484                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 485         case VIAFB_GET_INFO:
 486                 return viafb_ioctl_get_viafb_info(arg);
 487         case VIAFB_HOTPLUG:
 488                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 489                                               info->var.yres,
 490                                               info->var.bits_per_pixel), argp);
 491         case VIAFB_SET_HOTPLUG_FLAG:
 492                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 493                         return -EFAULT;
 494                 viafb_hotplug = (gpu32) ? 1 : 0;
 495                 break;
 496         case VIAFB_GET_RESOLUTION:
 497                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 498                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 499                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 500                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 501                 if (viafb_SAMM_ON == 1) {
 502                         u.viamode.xres_sec = viafb_second_xres;
 503                         u.viamode.yres_sec = viafb_second_yres;
 504                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 505                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 506                         u.viamode.refresh_sec = viafb_refresh1;
 507                         u.viamode.bpp_sec = viafb_bpp1;
 508                 } else {
 509                         u.viamode.xres_sec = 0;
 510                         u.viamode.yres_sec = 0;
 511                         u.viamode.virtual_xres_sec = 0;
 512                         u.viamode.virtual_yres_sec = 0;
 513                         u.viamode.refresh_sec = 0;
 514                         u.viamode.bpp_sec = 0;
 515                 }
 516                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 517                         return -EFAULT;
 518                 break;
 519         case VIAFB_GET_SAMM_INFO:
 520                 u.viasamm.samm_status = viafb_SAMM_ON;
 521
 522                 if (viafb_SAMM_ON == 1) {
 523                         if (viafb_dual_fb) {
 524                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 525                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 526                         } else {
 527                                 if (viafb_second_size) {
 528                                         u.viasamm.size_prim =
 529                                             viaparinfo->fbmem_free -
 530                                             viafb_second_size * 1024 * 1024;
 531                                         u.viasamm.size_sec =
 532                                             viafb_second_size * 1024 * 1024;
 533                                 } else {
 534                                         u.viasamm.size_prim =
 535                                             viaparinfo->fbmem_free >> 1;
 536                                         u.viasamm.size_sec =
 537                                             (viaparinfo->fbmem_free >> 1);
 538                                 }
 539                         }
 540                         u.viasamm.mem_base = viaparinfo->fbmem;
 541                         u.viasamm.offset_sec = viafb_second_offset;
 542                 } else {
 543                         u.viasamm.size_prim =
 544                             viaparinfo->memsize - viaparinfo->fbmem_used;
 545                         u.viasamm.size_sec = 0;
 546                         u.viasamm.mem_base = viaparinfo->fbmem;
 547                         u.viasamm.offset_sec = 0;
 548                 }
 549
 550                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 551                         return -EFAULT;
 552
 553                 break;
 554         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 555                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 556                         return -EFAULT;
 557                 if (gpu32 & CRT_Device)
 558                         viafb_crt_enable();
 559                 if (gpu32 & DVI_Device)
 560                         viafb_dvi_enable();
 561                 if (gpu32 & LCD_Device)
 562                         viafb_lcd_enable();
 563                 break;
 564         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 565                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 566                         return -EFAULT;
 567                 if (gpu32 & CRT_Device)
 568                         viafb_crt_disable();
 569                 if (gpu32 & DVI_Device)
 570                         viafb_dvi_disable();
 571                 if (gpu32 & LCD_Device)
 572                         viafb_lcd_disable();
 573                 break;
 574         case VIAFB_SET_DEVICE:
 575                 if (copy_from_user(&u.active_dev, (void *)argp,
 576                         sizeof(u.active_dev)))
 577                         return -EFAULT;
 578                 viafb_set_device(u.active_dev);
 579                 viafb_set_par(info);
 580                 break;
 581         case VIAFB_GET_DEVICE:
 582                 u.active_dev.crt = viafb_CRT_ON;
 583                 u.active_dev.dvi = viafb_DVI_ON;
 584                 u.active_dev.lcd = viafb_LCD_ON;
 585                 u.active_dev.samm = viafb_SAMM_ON;
 586                 u.active_dev.primary_dev = viafb_primary_dev;
 587
 588                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 589                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 590                 u.active_dev.lcd_mode = viafb_lcd_mode;
 591
 592                 u.active_dev.xres = viafb_hotplug_Xres;
 593                 u.active_dev.yres = viafb_hotplug_Yres;
 594
 595                 u.active_dev.xres1 = viafb_second_xres;
 596                 u.active_dev.yres1 = viafb_second_yres;
 597
 598                 u.active_dev.bpp = viafb_bpp;
 599                 u.active_dev.bpp1 = viafb_bpp1;
 600                 u.active_dev.refresh = viafb_refresh;
 601                 u.active_dev.refresh1 = viafb_refresh1;
 602
 603                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 604                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 605                 u.active_dev.bus_width = viafb_bus_width;
 606
 607                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 608                         return -EFAULT;
 609                 break;
 610
 611         case VIAFB_GET_DRIVER_VERSION:
 612                 u.driver_version.iMajorNum = VERSION_MAJOR;
 613                 u.driver_version.iKernelNum = VERSION_KERNEL;
 614                 u.driver_version.iOSNum = VERSION_OS;
 615                 u.driver_version.iMinorNum = VERSION_MINOR;
 616
 617                 if (copy_to_user(argp, &u.driver_version,
 618                         sizeof(u.driver_version)))
 619                         return -EFAULT;
 620
 621                 break;
 622
 623         case VIAFB_SET_DEVICE_INFO:
 624                 if (copy_from_user(&u.viafb_setting,
 625                         argp, sizeof(u.viafb_setting)))
 626                         return -EFAULT;
 627                 if (apply_device_setting(u.viafb_setting, info) < 0)
 628                         return -EINVAL;
 629
 630                 break;
 631
 632         case VIAFB_SET_SECOND_MODE:
 633                 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
 634                         return -EFAULT;
 635                 apply_second_mode_setting(&u.sec_var);
 636                 break;
 637
 638         case VIAFB_GET_DEVICE_INFO:
 639
 640                 retrieve_device_setting(&u.viafb_setting);
 641
 642                 if (copy_to_user(argp, &u.viafb_setting,
 643                                  sizeof(u.viafb_setting)))
 644                         return -EFAULT;
 645
 646                 break;
 647
 648         case VIAFB_GET_DEVICE_SUPPORT:
 649                 viafb_get_device_support_state(&state_info);
 650                 if (put_user(state_info, argp))
 651                         return -EFAULT;
 652                 break;
 653
 654         case VIAFB_GET_DEVICE_CONNECT:
 655                 viafb_get_device_connect_state(&state_info);
 656                 if (put_user(state_info, argp))
 657                         return -EFAULT;
 658                 break;
 659
 660         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 661                 state_info =
 662                     viafb_lcd_get_support_expand_state(info->var.xres,
 663                                                  info->var.yres);
 664                 if (put_user(state_info, argp))
 665                         return -EFAULT;
 666                 break;
 667
 668         case VIAFB_GET_DRIVER_NAME:
 669                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 670                         return -EFAULT;
 671                 break;
 672
 673         case VIAFB_SET_GAMMA_LUT:
 674                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 675                 if (!viafb_gamma_table)
 676                         return -ENOMEM;
 677                 if (copy_from_user(viafb_gamma_table, argp,
 678                                 sizeof(viafb_gamma_table))) {
 679                         kfree(viafb_gamma_table);
 680                         return -EFAULT;
 681                 }
 682                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 683                 kfree(viafb_gamma_table);
 684                 break;
 685
 686         case VIAFB_GET_GAMMA_LUT:
 687                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 688                 if (!viafb_gamma_table)
 689                         return -ENOMEM;
 690                 viafb_get_gamma_table(viafb_gamma_table);
 691                 if (copy_to_user(argp, viafb_gamma_table,
 692                         sizeof(viafb_gamma_table))) {
 693                         kfree(viafb_gamma_table);
 694                         return -EFAULT;
 695                 }
 696                 kfree(viafb_gamma_table);
 697                 break;
 698
 699         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 700                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 701                 if (put_user(state_info, argp))
 702                         return -EFAULT;
 703                 break;
 704         case VIAFB_SYNC_SURFACE:
 705                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 706                 break;
 707         case VIAFB_GET_DRIVER_CAPS:
 708                 break;
 709
 710         case VIAFB_GET_PANEL_MAX_SIZE:
 711                 if (copy_from_user(&u.panel_pos_size_para, argp,
 712                                    sizeof(u.panel_pos_size_para)))
 713                         return -EFAULT;
 714                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 715                 if (copy_to_user(argp, &u.panel_pos_size_para,
 716                      sizeof(u.panel_pos_size_para)))
 717                         return -EFAULT;
 718                 break;
 719         case VIAFB_GET_PANEL_MAX_POSITION:
 720                 if (copy_from_user(&u.panel_pos_size_para, argp,
 721                                    sizeof(u.panel_pos_size_para)))
 722                         return -EFAULT;
 723                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 724                 if (copy_to_user(argp, &u.panel_pos_size_para,
 725                                  sizeof(u.panel_pos_size_para)))
 726                         return -EFAULT;
 727                 break;
 728
 729         case VIAFB_GET_PANEL_POSITION:
 730                 if (copy_from_user(&u.panel_pos_size_para, argp,
 731                                    sizeof(u.panel_pos_size_para)))
 732                         return -EFAULT;
 733                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 734                 if (copy_to_user(argp, &u.panel_pos_size_para,
 735                                  sizeof(u.panel_pos_size_para)))
 736                         return -EFAULT;
 737                 break;
 738         case VIAFB_GET_PANEL_SIZE:
 739                 if (copy_from_user(&u.panel_pos_size_para, argp,
 740                                    sizeof(u.panel_pos_size_para)))
 741                         return -EFAULT;
 742                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 743                 if (copy_to_user(argp, &u.panel_pos_size_para,
 744                                  sizeof(u.panel_pos_size_para)))
 745                         return -EFAULT;
 746                 break;
 747
 748         case VIAFB_SET_PANEL_POSITION:
 749                 if (copy_from_user(&u.panel_pos_size_para, argp,
 750                                    sizeof(u.panel_pos_size_para)))
 751                         return -EFAULT;
 752                 break;
 753         case VIAFB_SET_PANEL_SIZE:
 754                 if (copy_from_user(&u.panel_pos_size_para, argp,
 755                                    sizeof(u.panel_pos_size_para)))
 756                         return -EFAULT;
 757                 break;
 758
 759         default:
 760                 return -EINVAL;
 761         }
 762
 763         return 0;
 764 }
 765
 766 static void viafb_fillrect(struct fb_info *info,
 767         const struct fb_fillrect *rect)
 768 {
 769         struct viafb_par *viapar = info->par;
 770         u32 fg_color;
 771         u8 rop;
 772
 773         if (!viapar->shared->hw_bitblt) {
 774                 cfb_fillrect(info, rect);
 775                 return;
 776         }
 777
 778         if (!rect->width || !rect->height)
 779                 return;
 780
 781         if (info->fix.visual == FB_VISUAL_TRUECOLOR)
 782                 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
 783         else
 784                 fg_color = rect->color;
 785
 786         if (rect->rop == ROP_XOR)
 787                 rop = 0x5A;
 788         else
 789                 rop = 0xF0;
 790
 791         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
 792         if (viapar->shared->hw_bitblt(viapar->io_virt, VIA_BITBLT_FILL,
 793                 rect->width, rect->height, info->var.bits_per_pixel,
 794                 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
 795                 NULL, 0, 0, 0, 0, fg_color, 0, rop))
 796                 cfb_fillrect(info, rect);
 797 }
 798
 799 static void viafb_copyarea(struct fb_info *info,
 800         const struct fb_copyarea *area)
 801 {
 802         struct viafb_par *viapar = info->par;
 803
 804         if (!viapar->shared->hw_bitblt) {
 805                 cfb_copyarea(info, area);
 806                 return;
 807         }
 808
 809         if (!area->width || !area->height)
 810                 return;
 811
 812         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
 813         if (viapar->shared->hw_bitblt(viapar->io_virt, VIA_BITBLT_COLOR,
 814                 area->width, area->height, info->var.bits_per_pixel,
 815                 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
 816                 NULL, viapar->vram_addr, info->fix.line_length,
 817                 area->sx, area->sy, 0, 0, 0))
 818                 cfb_copyarea(info, area);
 819 }
 820
 821 static void viafb_imageblit(struct fb_info *info,
 822         const struct fb_image *image)
 823 {
 824         struct viafb_par *viapar = info->par;
 825         u32 fg_color = 0, bg_color = 0;
 826         u8 op;
 827
 828         if (!viapar->shared->hw_bitblt ||
 829                 (image->depth != 1 && image->depth != viapar->depth)) {
 830                 cfb_imageblit(info, image);
 831                 return;
 832         }
 833
 834         if (image->depth == 1) {
 835                 op = VIA_BITBLT_MONO;
 836                 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
 837                         fg_color =
 838                                 ((u32 *)info->pseudo_palette)[image->fg_color];
 839                         bg_color =
 840                                 ((u32 *)info->pseudo_palette)[image->bg_color];
 841                 } else {
 842                         fg_color = image->fg_color;
 843                         bg_color = image->bg_color;
 844                 }
 845         } else
 846                 op = VIA_BITBLT_COLOR;
 847
 848         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
 849         if (viapar->shared->hw_bitblt(viapar->io_virt, op,
 850                 image->width, image->height, info->var.bits_per_pixel,
 851                 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
 852                 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
 853                 cfb_imageblit(info, image);
 854 }
 855
 856 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 857 {
 858         u32 temp, xx, yy, bg_col = 0, fg_col = 0;
 859         int i, j = 0;
 860         static int hw_cursor;
 861         struct viafb_par *p_viafb_par;
 862
 863         if (viafb_accel)
 864                 hw_cursor = 1;
 865
 866         if (!viafb_accel) {
 867                 if (hw_cursor) {
 868                         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 869                         hw_cursor = 0;
 870                 }
 871                 return -ENODEV;
 872         }
 873
 874         if ((((struct viafb_par *)(info->par))->iga_path == IGA2)
 875             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
 876                 return -ENODEV;
 877
 878         /* When duoview and using lcd , use soft cursor */
 879         if (viafb_LCD_ON || (!viafb_SAMM_ON &&
 880                 viafb_LCD2_ON + viafb_DVI_ON + viafb_CRT_ON == 2))
 881                 return -ENODEV;
 882
 883         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 884         viacursor = *cursor;
 885
 886         if (cursor->set & FB_CUR_SETHOT) {
 887                 viacursor.hot = cursor->hot;
 888                 temp = ((viacursor.hot.x) << 16) + viacursor.hot.y;
 889                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_ORG);
 890         }
 891
 892         if (cursor->set & FB_CUR_SETPOS) {
 893                 viacursor.image.dx = cursor->image.dx;
 894                 viacursor.image.dy = cursor->image.dy;
 895                 yy = cursor->image.dy - info->var.yoffset;
 896                 xx = cursor->image.dx - info->var.xoffset;
 897                 temp = yy & 0xFFFF;
 898                 temp |= (xx << 16);
 899                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_POS);
 900         }
 901
 902         if (cursor->set & FB_CUR_SETSIZE) {
 903                 temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
 904
 905                 if ((cursor->image.width <= 32)
 906                     && (cursor->image.height <= 32)) {
 907                         MAX_CURS = 32;
 908                         temp |= 0x2;
 909                 } else if ((cursor->image.width <= 64)
 910                            && (cursor->image.height <= 64)) {
 911                         MAX_CURS = 64;
 912                         temp &= 0xFFFFFFFD;
 913                 } else {
 914                         DEBUG_MSG(KERN_INFO
 915                         "The cursor image is biger than 64x64 bits...\n");
 916                         return -ENXIO;
 917                 }
 918                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
 919
 920                 viacursor.image.height = cursor->image.height;
 921                 viacursor.image.width = cursor->image.width;
 922         }
 923
 924         if (cursor->set & FB_CUR_SETCMAP) {
 925                 viacursor.image.fg_color = cursor->image.fg_color;
 926                 viacursor.image.bg_color = cursor->image.bg_color;
 927
 928                 switch (info->var.bits_per_pixel) {
 929                 case 8:
 930                 case 16:
 931                 case 32:
 932                         bg_col =
 933                             (0xFF << 24) |
 934                             (((info->cmap.red)[viacursor.image.bg_color] &
 935                             0xFF00) << 8) |
 936                             ((info->cmap.green)[viacursor.image.bg_color] &
 937                             0xFF00) |
 938                             (((info->cmap.blue)[viacursor.image.bg_color] &
 939                             0xFF00) >> 8);
 940                         fg_col =
 941                             (0xFF << 24) |
 942                             (((info->cmap.red)[viacursor.image.fg_color] &
 943                             0xFF00) << 8) |
 944                             ((info->cmap.green)[viacursor.image.fg_color] &
 945                             0xFF00) |
 946                             (((info->cmap.blue)[viacursor.image.fg_color] &
 947                             0xFF00) >> 8);
 948                         break;
 949                 default:
 950                         return 0;
 951                 }
 952
 953                 /* This is indeed a patch for VT3324/VT3353 */
 954                 if (!info->par)
 955                         return 0;
 956                 p_viafb_par = (struct viafb_par *)info->par;
 957
 958                 if ((p_viafb_par->chip_info->gfx_chip_name ==
 959                         UNICHROME_CX700) ||
 960                         ((p_viafb_par->chip_info->gfx_chip_name ==
 961                         UNICHROME_VX800))) {
 962                         bg_col =
 963                             (((info->cmap.red)[viacursor.image.bg_color] &
 964                             0xFFC0) << 14) |
 965                             (((info->cmap.green)[viacursor.image.bg_color] &
 966                             0xFFC0) << 4) |
 967                             (((info->cmap.blue)[viacursor.image.bg_color] &
 968                             0xFFC0) >> 6);
 969                         fg_col =
 970                             (((info->cmap.red)[viacursor.image.fg_color] &
 971                             0xFFC0) << 14) |
 972                             (((info->cmap.green)[viacursor.image.fg_color] &
 973                             0xFFC0) << 4) |
 974                             (((info->cmap.blue)[viacursor.image.fg_color] &
 975                             0xFFC0) >> 6);
 976                 }
 977
 978                 writel(bg_col, viaparinfo->io_virt + VIA_REG_CURSOR_BG);
 979                 writel(fg_col, viaparinfo->io_virt + VIA_REG_CURSOR_FG);
 980         }
 981
 982         if (cursor->set & FB_CUR_SETSHAPE) {
 983                 struct {
 984                         u8 data[CURSOR_SIZE / 8];
 985                         u32 bak[CURSOR_SIZE / 32];
 986                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
 987                 int size =
 988                     ((viacursor.image.width + 7) >> 3) *
 989                     viacursor.image.height;
 990
 991                 if (cr_data == NULL)
 992                         goto out;
 993
 994                 if (MAX_CURS == 32) {
 995                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
 996                                 cr_data->bak[i] = 0x0;
 997                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
 998                                 i += 1;
 999                         }
1000                 } else if (MAX_CURS == 64) {
1001                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1002                                 cr_data->bak[i] = 0x0;
1003                                 cr_data->bak[i + 1] = 0x0;
1004                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
1005                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
1006                                 i += 3;
1007                         }
1008                 }
1009
1010                 switch (viacursor.rop) {
1011                 case ROP_XOR:
1012                         for (i = 0; i < size; i++)
1013                                 cr_data->data[i] = viacursor.mask[i];
1014                         break;
1015                 case ROP_COPY:
1016
1017                         for (i = 0; i < size; i++)
1018                                 cr_data->data[i] = viacursor.mask[i];
1019                         break;
1020                 default:
1021                         break;
1022                 }
1023
1024                 if (MAX_CURS == 32) {
1025                         for (i = 0; i < size; i++) {
1026                                 cr_data->bak[j] = (u32) cr_data->data[i];
1027                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
1028                                 j += 2;
1029                         }
1030                 } else if (MAX_CURS == 64) {
1031                         for (i = 0; i < size; i++) {
1032                                 cr_data->bak[j] = (u32) cr_data->data[i];
1033                                 cr_data->bak[j + 1] = 0x0;
1034                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
1035                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
1036                                 j += 4;
1037                         }
1038                 }
1039
1040                 memcpy(viafbinfo->screen_base +
1041                        ((struct viafb_par *)(info->par))->cursor_start,
1042                        cr_data->bak, CURSOR_SIZE);
1043 out:
1044                 kfree(cr_data);
1045         }
1046
1047         if (viacursor.enable)
1048                 viafb_show_hw_cursor(info, HW_Cursor_ON);
1049
1050         return 0;
1051 }
1052
1053 static int viafb_sync(struct fb_info *info)
1054 {
1055         if (viafb_accel)
1056                 viafb_wait_engine_idle();
1057         return 0;
1058 }
1059
1060 int viafb_get_mode_index(int hres, int vres)
1061 {
1062         u32 i;
1063         DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
1064
1065         for (i = 0; i < NUM_TOTAL_MODETABLE; i++)
1066                 if (CLE266Modes[i].mode_array &&
1067                         CLE266Modes[i].crtc[0].crtc.hor_addr == hres &&
1068                         CLE266Modes[i].crtc[0].crtc.ver_addr == vres)
1069                         break;
1070
1071         if (i == NUM_TOTAL_MODETABLE)
1072                 return VIA_RES_INVALID;
1073
1074         return CLE266Modes[i].ModeIndex;
1075 }
1076
1077 static void check_available_device_to_enable(int device_id)
1078 {
1079         int device_num = 0;
1080
1081         /* Initialize: */
1082         viafb_CRT_ON = STATE_OFF;
1083         viafb_DVI_ON = STATE_OFF;
1084         viafb_LCD_ON = STATE_OFF;
1085         viafb_LCD2_ON = STATE_OFF;
1086         viafb_DeviceStatus = None_Device;
1087
1088         if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1089                 viafb_CRT_ON = STATE_ON;
1090                 device_num++;
1091                 viafb_DeviceStatus |= CRT_Device;
1092         }
1093
1094         if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1095                 viafb_DVI_ON = STATE_ON;
1096                 device_num++;
1097                 viafb_DeviceStatus |= DVI_Device;
1098         }
1099
1100         if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1101                 viafb_LCD_ON = STATE_ON;
1102                 device_num++;
1103                 viafb_DeviceStatus |= LCD_Device;
1104         }
1105
1106         if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1107                 viafb_LCD2_ON = STATE_ON;
1108                 device_num++;
1109                 viafb_DeviceStatus |= LCD2_Device;
1110         }
1111
1112         if (viafb_DeviceStatus == None_Device) {
1113                 /* Use CRT as default active device: */
1114                 viafb_CRT_ON = STATE_ON;
1115                 viafb_DeviceStatus = CRT_Device;
1116         }
1117         DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1118 }
1119
1120 static void viafb_set_device(struct device_t active_dev)
1121 {
1122         /* Check available device to enable: */
1123         int device_id = None_Device;
1124         if (active_dev.crt)
1125                 device_id |= CRT_Device;
1126         if (active_dev.dvi)
1127                 device_id |= DVI_Device;
1128         if (active_dev.lcd)
1129                 device_id |= LCD_Device;
1130
1131         check_available_device_to_enable(device_id);
1132
1133         /* Check property of LCD: */
1134         if (viafb_LCD_ON) {
1135                 if (active_dev.lcd_dsp_cent) {
1136                         viaparinfo->lvds_setting_info->display_method =
1137                                 viafb_lcd_dsp_method = LCD_CENTERING;
1138                 } else {
1139                         viaparinfo->lvds_setting_info->display_method =
1140                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1141                 }
1142
1143                 if (active_dev.lcd_mode == LCD_SPWG) {
1144                         viaparinfo->lvds_setting_info->lcd_mode =
1145                                 viafb_lcd_mode = LCD_SPWG;
1146                 } else {
1147                         viaparinfo->lvds_setting_info->lcd_mode =
1148                                 viafb_lcd_mode = LCD_OPENLDI;
1149                 }
1150
1151                 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1152                         viafb_lcd_panel_id = active_dev.lcd_panel_id;
1153                         viafb_init_lcd_size();
1154                 }
1155         }
1156
1157         /* Check property of mode: */
1158         if (!active_dev.xres1)
1159                 viafb_second_xres = 640;
1160         else
1161                 viafb_second_xres = active_dev.xres1;
1162         if (!active_dev.yres1)
1163                 viafb_second_yres = 480;
1164         else
1165                 viafb_second_yres = active_dev.yres1;
1166         if (active_dev.bpp != 0)
1167                 viafb_bpp = active_dev.bpp;
1168         if (active_dev.bpp1 != 0)
1169                 viafb_bpp1 = active_dev.bpp1;
1170         if (active_dev.refresh != 0)
1171                 viafb_refresh = active_dev.refresh;
1172         if (active_dev.refresh1 != 0)
1173                 viafb_refresh1 = active_dev.refresh1;
1174         if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1175                 viafb_SAMM_ON = active_dev.samm;
1176         viafb_primary_dev = active_dev.primary_dev;
1177
1178         viafb_set_primary_address(0);
1179         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1180         viafb_set_iga_path();
1181 }
1182
1183 static int get_primary_device(void)
1184 {
1185         int primary_device = 0;
1186         /* Rule: device on iga1 path are the primary device. */
1187         if (viafb_SAMM_ON) {
1188                 if (viafb_CRT_ON) {
1189                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1190                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1191                                         viaparinfo->
1192                                         crt_setting_info->iga_path);
1193                                 primary_device = CRT_Device;
1194                         }
1195                 }
1196                 if (viafb_DVI_ON) {
1197                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1198                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1199                                         viaparinfo->
1200                                         tmds_setting_info->iga_path);
1201                                 primary_device = DVI_Device;
1202                         }
1203                 }
1204                 if (viafb_LCD_ON) {
1205                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1206                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1207                                         viaparinfo->
1208                                         lvds_setting_info->iga_path);
1209                                 primary_device = LCD_Device;
1210                         }
1211                 }
1212                 if (viafb_LCD2_ON) {
1213                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1214                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1215                                         viaparinfo->
1216                                         lvds_setting_info2->iga_path);
1217                                 primary_device = LCD2_Device;
1218                         }
1219                 }
1220         }
1221         return primary_device;
1222 }
1223
1224 static void apply_second_mode_setting(struct fb_var_screeninfo
1225         *sec_var)
1226 {
1227         u32 htotal, vtotal, long_refresh;
1228
1229         htotal = sec_var->xres + sec_var->left_margin +
1230                 sec_var->right_margin + sec_var->hsync_len;
1231         vtotal = sec_var->yres + sec_var->upper_margin +
1232                 sec_var->lower_margin + sec_var->vsync_len;
1233         if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1234                 /*Is 32 bytes alignment? */
1235                 /*32 pixel alignment */
1236                 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1237         }
1238
1239         htotal = sec_var->xres + sec_var->left_margin +
1240                 sec_var->right_margin + sec_var->hsync_len;
1241         vtotal = sec_var->yres + sec_var->upper_margin +
1242                 sec_var->lower_margin + sec_var->vsync_len;
1243         long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1244         long_refresh /= (htotal * vtotal);
1245
1246         viafb_second_xres = sec_var->xres;
1247         viafb_second_yres = sec_var->yres;
1248         viafb_second_virtual_xres = sec_var->xres_virtual;
1249         viafb_second_virtual_yres = sec_var->yres_virtual;
1250         viafb_bpp1 = sec_var->bits_per_pixel;
1251         viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1252                 long_refresh);
1253 }
1254
1255 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1256         struct fb_info *info)
1257 {
1258         int need_set_mode = 0;
1259         DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1260
1261         if (setting_info.device_flag) {
1262                 need_set_mode = 1;
1263                 check_available_device_to_enable(setting_info.device_status);
1264         }
1265
1266         /* Unlock LCD's operation according to LCD flag
1267            and check if the setting value is valid. */
1268         /* If the value is valid, apply the new setting value to the device. */
1269         if (viafb_LCD_ON) {
1270                 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1271                         need_set_mode = 1;
1272                         if (setting_info.lcd_attributes.display_center) {
1273                                 /* Centering */
1274                                 viaparinfo->lvds_setting_info->display_method =
1275                                     LCD_CENTERING;
1276                                 viafb_lcd_dsp_method = LCD_CENTERING;
1277                                 viaparinfo->lvds_setting_info2->display_method =
1278                                     viafb_lcd_dsp_method = LCD_CENTERING;
1279                         } else {
1280                                 /* expandsion */
1281                                 viaparinfo->lvds_setting_info->display_method =
1282                                     LCD_EXPANDSION;
1283                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1284                                 viaparinfo->lvds_setting_info2->display_method =
1285                                     LCD_EXPANDSION;
1286                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1287                         }
1288                 }
1289
1290                 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1291                         need_set_mode = 1;
1292                         if (setting_info.lcd_attributes.lcd_mode ==
1293                                 LCD_SPWG) {
1294                                 viaparinfo->lvds_setting_info->lcd_mode =
1295                                         viafb_lcd_mode = LCD_SPWG;
1296                         } else {
1297                                 viaparinfo->lvds_setting_info->lcd_mode =
1298                                         viafb_lcd_mode = LCD_OPENLDI;
1299                         }
1300                         viaparinfo->lvds_setting_info2->lcd_mode =
1301                             viaparinfo->lvds_setting_info->lcd_mode;
1302                 }
1303
1304                 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1305                         need_set_mode = 1;
1306                         if (setting_info.lcd_attributes.panel_id <=
1307                             LCD_PANEL_ID_MAXIMUM) {
1308                                 viafb_lcd_panel_id =
1309                                     setting_info.lcd_attributes.panel_id;
1310                                 viafb_init_lcd_size();
1311                         }
1312                 }
1313         }
1314
1315         if (0 != (setting_info.samm_status & OP_SAMM)) {
1316                 setting_info.samm_status =
1317                     setting_info.samm_status & (~OP_SAMM);
1318                 if (setting_info.samm_status == 0
1319                     || setting_info.samm_status == 1) {
1320                         viafb_SAMM_ON = setting_info.samm_status;
1321
1322                         if (viafb_SAMM_ON)
1323                                 viafb_primary_dev = setting_info.primary_device;
1324
1325                         viafb_set_primary_address(0);
1326                         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1327                         viafb_set_iga_path();
1328                 }
1329                 need_set_mode = 1;
1330         }
1331
1332         if (!need_set_mode) {
1333                 ;
1334         } else {
1335                 viafb_set_iga_path();
1336                 viafb_set_par(info);
1337         }
1338         return true;
1339 }
1340
1341 static void retrieve_device_setting(struct viafb_ioctl_setting
1342         *setting_info)
1343 {
1344
1345         /* get device status */
1346         if (viafb_CRT_ON == 1)
1347                 setting_info->device_status = CRT_Device;
1348         if (viafb_DVI_ON == 1)
1349                 setting_info->device_status |= DVI_Device;
1350         if (viafb_LCD_ON == 1)
1351                 setting_info->device_status |= LCD_Device;
1352         if (viafb_LCD2_ON == 1)
1353                 setting_info->device_status |= LCD2_Device;
1354
1355         setting_info->samm_status = viafb_SAMM_ON;
1356         setting_info->primary_device = get_primary_device();
1357
1358         setting_info->first_dev_bpp = viafb_bpp;
1359         setting_info->second_dev_bpp = viafb_bpp1;
1360
1361         setting_info->first_dev_refresh = viafb_refresh;
1362         setting_info->second_dev_refresh = viafb_refresh1;
1363
1364         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1365         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1366         setting_info->second_dev_hor_res = viafb_second_xres;
1367         setting_info->second_dev_ver_res = viafb_second_yres;
1368
1369         /* Get lcd attributes */
1370         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1371         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1372         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1373 }
1374
1375 static void parse_active_dev(void)
1376 {
1377         viafb_CRT_ON = STATE_OFF;
1378         viafb_DVI_ON = STATE_OFF;
1379         viafb_LCD_ON = STATE_OFF;
1380         viafb_LCD2_ON = STATE_OFF;
1381         /* 1. Modify the active status of devices. */
1382         /* 2. Keep the order of devices, so we can set corresponding
1383            IGA path to devices in SAMM case. */
1384         /*    Note: The previous of active_dev is primary device,
1385            and the following is secondary device. */
1386         if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
1387                 /* CRT+DVI */
1388                 viafb_CRT_ON = STATE_ON;
1389                 viafb_DVI_ON = STATE_ON;
1390                 viafb_primary_dev = CRT_Device;
1391         } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
1392                 /* DVI+CRT */
1393                 viafb_CRT_ON = STATE_ON;
1394                 viafb_DVI_ON = STATE_ON;
1395                 viafb_primary_dev = DVI_Device;
1396         } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
1397                 /* CRT+LCD */
1398                 viafb_CRT_ON = STATE_ON;
1399                 viafb_LCD_ON = STATE_ON;
1400                 viafb_primary_dev = CRT_Device;
1401         } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
1402                 /* LCD+CRT */
1403                 viafb_CRT_ON = STATE_ON;
1404                 viafb_LCD_ON = STATE_ON;
1405                 viafb_primary_dev = LCD_Device;
1406         } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
1407                 /* DVI+LCD */
1408                 viafb_DVI_ON = STATE_ON;
1409                 viafb_LCD_ON = STATE_ON;
1410                 viafb_primary_dev = DVI_Device;
1411         } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
1412                 /* LCD+DVI */
1413                 viafb_DVI_ON = STATE_ON;
1414                 viafb_LCD_ON = STATE_ON;
1415                 viafb_primary_dev = LCD_Device;
1416         } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
1417                 viafb_LCD_ON = STATE_ON;
1418                 viafb_LCD2_ON = STATE_ON;
1419                 viafb_primary_dev = LCD_Device;
1420         } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
1421                 viafb_LCD_ON = STATE_ON;
1422                 viafb_LCD2_ON = STATE_ON;
1423                 viafb_primary_dev = LCD2_Device;
1424         } else if (!strncmp(viafb_active_dev, "CRT", 3)) {
1425                 /* CRT only */
1426                 viafb_CRT_ON = STATE_ON;
1427                 viafb_SAMM_ON = STATE_OFF;
1428         } else if (!strncmp(viafb_active_dev, "DVI", 3)) {
1429                 /* DVI only */
1430                 viafb_DVI_ON = STATE_ON;
1431                 viafb_SAMM_ON = STATE_OFF;
1432         } else if (!strncmp(viafb_active_dev, "LCD", 3)) {
1433                 /* LCD only */
1434                 viafb_LCD_ON = STATE_ON;
1435                 viafb_SAMM_ON = STATE_OFF;
1436         } else {
1437                 viafb_CRT_ON = STATE_ON;
1438                 viafb_SAMM_ON = STATE_OFF;
1439         }
1440 }
1441
1442 static int parse_port(char *opt_str, int *output_interface)
1443 {
1444         if (!strncmp(opt_str, "DVP0", 4))
1445                 *output_interface = INTERFACE_DVP0;
1446         else if (!strncmp(opt_str, "DVP1", 4))
1447                 *output_interface = INTERFACE_DVP1;
1448         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1449                 *output_interface = INTERFACE_DFP;
1450         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1451                 *output_interface = INTERFACE_DFP_HIGH;
1452         else if (!strncmp(opt_str, "DFP_LOW", 7))
1453                 *output_interface = INTERFACE_DFP_LOW;
1454         else
1455                 *output_interface = INTERFACE_NONE;
1456         return 0;
1457 }
1458
1459 static void parse_lcd_port(void)
1460 {
1461         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1462                 output_interface);
1463         /*Initialize to avoid unexpected behavior */
1464         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1465         INTERFACE_NONE;
1466
1467         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1468                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1469                   output_interface);
1470 }
1471
1472 static void parse_dvi_port(void)
1473 {
1474         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1475                 output_interface);
1476
1477         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1478                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1479                   output_interface);
1480 }
1481
1482 /*
1483  * The proc filesystem read/write function, a simple proc implement to
1484  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1485  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1486  * CR9B,    SR65,    CR97,    CR99
1487  */
1488 static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset,
1489 int count, int *eof, void *data)
1490 {
1491         int len = 0;
1492         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1493         dvp0_data_dri =
1494             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1495             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1496         dvp0_clk_dri =
1497             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1498             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1499         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1500         len +=
1501             sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1502         *eof = 1;               /*Inform kernel end of data */
1503         return len;
1504 }
1505 static int viafb_dvp0_proc_write(struct file *file,
1506         const char __user *buffer, unsigned long count, void *data)
1507 {
1508         char buf[20], *value, *pbuf;
1509         u8 reg_val = 0;
1510         unsigned long length, i;
1511         if (count < 1)
1512                 return -EINVAL;
1513         length = count > 20 ? 20 : count;
1514         if (copy_from_user(&buf[0], buffer, length))
1515                 return -EFAULT;
1516         buf[length - 1] = '\0'; /*Ensure end string */
1517         pbuf = &buf[0];
1518         for (i = 0; i < 3; i++) {
1519                 value = strsep(&pbuf, " ");
1520                 if (value != NULL) {
1521                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1522                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1523                                   reg_val);
1524                         switch (i) {
1525                         case 0:
1526                                 viafb_write_reg_mask(CR96, VIACR,
1527                                         reg_val, 0x0f);
1528                                 break;
1529                         case 1:
1530                                 viafb_write_reg_mask(SR2A, VIASR,
1531                                         reg_val << 4, BIT5);
1532                                 viafb_write_reg_mask(SR1B, VIASR,
1533                                         reg_val << 1, BIT1);
1534                                 break;
1535                         case 2:
1536                                 viafb_write_reg_mask(SR2A, VIASR,
1537                                         reg_val << 3, BIT4);
1538                                 viafb_write_reg_mask(SR1E, VIASR,
1539                                         reg_val << 2, BIT2);
1540                                 break;
1541                         default:
1542                                 break;
1543                         }
1544                 } else {
1545                         break;
1546                 }
1547         }
1548         return count;
1549 }
1550 static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset,
1551         int count, int *eof, void *data)
1552 {
1553         int len = 0;
1554         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1555         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1556         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1557         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1558         len +=
1559             sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1560         *eof = 1;               /*Inform kernel end of data */
1561         return len;
1562 }
1563 static int viafb_dvp1_proc_write(struct file *file,
1564         const char __user *buffer, unsigned long count, void *data)
1565 {
1566         char buf[20], *value, *pbuf;
1567         u8 reg_val = 0;
1568         unsigned long length, i;
1569         if (count < 1)
1570                 return -EINVAL;
1571         length = count > 20 ? 20 : count;
1572         if (copy_from_user(&buf[0], buffer, length))
1573                 return -EFAULT;
1574         buf[length - 1] = '\0'; /*Ensure end string */
1575         pbuf = &buf[0];
1576         for (i = 0; i < 3; i++) {
1577                 value = strsep(&pbuf, " ");
1578                 if (value != NULL) {
1579                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1580                         switch (i) {
1581                         case 0:
1582                                 viafb_write_reg_mask(CR9B, VIACR,
1583                                         reg_val, 0x0f);
1584                                 break;
1585                         case 1:
1586                                 viafb_write_reg_mask(SR65, VIASR,
1587                                         reg_val << 2, 0x0c);
1588                                 break;
1589                         case 2:
1590                                 viafb_write_reg_mask(SR65, VIASR,
1591                                         reg_val, 0x03);
1592                                 break;
1593                         default:
1594                                 break;
1595                         }
1596                 } else {
1597                         break;
1598                 }
1599         }
1600         return count;
1601 }
1602
1603 static int viafb_dfph_proc_read(char *buf, char **start, off_t offset,
1604         int count, int *eof, void *data)
1605 {
1606         int len = 0;
1607         u8 dfp_high = 0;
1608         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1609         len += sprintf(buf + len, "%x\n", dfp_high);
1610         *eof = 1;               /*Inform kernel end of data */
1611         return len;
1612 }
1613 static int viafb_dfph_proc_write(struct file *file,
1614         const char __user *buffer, unsigned long count, void *data)
1615 {
1616         char buf[20];
1617         u8 reg_val = 0;
1618         unsigned long length;
1619         if (count < 1)
1620                 return -EINVAL;
1621         length = count > 20 ? 20 : count;
1622         if (copy_from_user(&buf[0], buffer, length))
1623                 return -EFAULT;
1624         buf[length - 1] = '\0'; /*Ensure end string */
1625         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1626         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1627         return count;
1628 }
1629 static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset,
1630         int count, int *eof, void *data)
1631 {
1632         int len = 0;
1633         u8 dfp_low = 0;
1634         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1635         len += sprintf(buf + len, "%x\n", dfp_low);
1636         *eof = 1;               /*Inform kernel end of data */
1637         return len;
1638 }
1639 static int viafb_dfpl_proc_write(struct file *file,
1640         const char __user *buffer, unsigned long count, void *data)
1641 {
1642         char buf[20];
1643         u8 reg_val = 0;
1644         unsigned long length;
1645         if (count < 1)
1646                 return -EINVAL;
1647         length = count > 20 ? 20 : count;
1648         if (copy_from_user(&buf[0], buffer, length))
1649                 return -EFAULT;
1650         buf[length - 1] = '\0'; /*Ensure end string */
1651         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1652         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1653         return count;
1654 }
1655 static int viafb_vt1636_proc_read(char *buf, char **start,
1656         off_t offset, int count, int *eof, void *data)
1657 {
1658         int len = 0;
1659         u8 vt1636_08 = 0, vt1636_09 = 0;
1660         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1661         case VT1636_LVDS:
1662                 vt1636_08 =
1663                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1664                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1665                 vt1636_09 =
1666                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1667                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1668                 len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09);
1669                 break;
1670         default:
1671                 break;
1672         }
1673         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1674         case VT1636_LVDS:
1675                 vt1636_08 =
1676                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1677                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1678                 vt1636_09 =
1679                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1680                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1681                 len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09);
1682                 break;
1683         default:
1684                 break;
1685         }
1686         *eof = 1;               /*Inform kernel end of data */
1687         return len;
1688 }
1689 static int viafb_vt1636_proc_write(struct file *file,
1690         const char __user *buffer, unsigned long count, void *data)
1691 {
1692         char buf[30], *value, *pbuf;
1693         struct IODATA reg_val;
1694         unsigned long length, i;
1695         if (count < 1)
1696                 return -EINVAL;
1697         length = count > 30 ? 30 : count;
1698         if (copy_from_user(&buf[0], buffer, length))
1699                 return -EFAULT;
1700         buf[length - 1] = '\0'; /*Ensure end string */
1701         pbuf = &buf[0];
1702         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1703         case VT1636_LVDS:
1704                 for (i = 0; i < 2; i++) {
1705                         value = strsep(&pbuf, " ");
1706                         if (value != NULL) {
1707                                 strict_strtoul(value, 0,
1708                                         (unsigned long *)&reg_val.Data);
1709                                 switch (i) {
1710                                 case 0:
1711                                         reg_val.Index = 0x08;
1712                                         reg_val.Mask = 0x0f;
1713                                         viafb_gpio_i2c_write_mask_lvds
1714                                             (viaparinfo->lvds_setting_info,
1715                                             &viaparinfo->
1716                                             chip_info->lvds_chip_info,
1717                                              reg_val);
1718                                         break;
1719                                 case 1:
1720                                         reg_val.Index = 0x09;
1721                                         reg_val.Mask = 0x1f;
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                                 default:
1729                                         break;
1730                                 }
1731                         } else {
1732                                 break;
1733                         }
1734                 }
1735                 break;
1736         default:
1737                 break;
1738         }
1739         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1740         case VT1636_LVDS:
1741                 for (i = 0; i < 2; i++) {
1742                         value = strsep(&pbuf, " ");
1743                         if (value != NULL) {
1744                                 strict_strtoul(value, 0,
1745                                         (unsigned long *)&reg_val.Data);
1746                                 switch (i) {
1747                                 case 0:
1748                                         reg_val.Index = 0x08;
1749                                         reg_val.Mask = 0x0f;
1750                                         viafb_gpio_i2c_write_mask_lvds
1751                                             (viaparinfo->lvds_setting_info2,
1752                                             &viaparinfo->
1753                                             chip_info->lvds_chip_info2,
1754                                              reg_val);
1755                                         break;
1756                                 case 1:
1757                                         reg_val.Index = 0x09;
1758                                         reg_val.Mask = 0x1f;
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                                 default:
1766                                         break;
1767                                 }
1768                         } else {
1769                                 break;
1770                         }
1771                 }
1772                 break;
1773         default:
1774                 break;
1775         }
1776         return count;
1777 }
1778
1779 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1780 {
1781         struct proc_dir_entry *entry;
1782         *viafb_entry = proc_mkdir("viafb", NULL);
1783         if (viafb_entry) {
1784                 entry = create_proc_entry("dvp0", 0, *viafb_entry);
1785                 if (entry) {
1786                         entry->read_proc = viafb_dvp0_proc_read;
1787                         entry->write_proc = viafb_dvp0_proc_write;
1788                 }
1789                 entry = create_proc_entry("dvp1", 0, *viafb_entry);
1790                 if (entry) {
1791                         entry->read_proc = viafb_dvp1_proc_read;
1792                         entry->write_proc = viafb_dvp1_proc_write;
1793                 }
1794                 entry = create_proc_entry("dfph", 0, *viafb_entry);
1795                 if (entry) {
1796                         entry->read_proc = viafb_dfph_proc_read;
1797                         entry->write_proc = viafb_dfph_proc_write;
1798                 }
1799                 entry = create_proc_entry("dfpl", 0, *viafb_entry);
1800                 if (entry) {
1801                         entry->read_proc = viafb_dfpl_proc_read;
1802                         entry->write_proc = viafb_dfpl_proc_write;
1803                 }
1804                 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1805                         lvds_chip_name || VT1636_LVDS ==
1806                     viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1807                         entry = create_proc_entry("vt1636", 0, *viafb_entry);
1808                         if (entry) {
1809                                 entry->read_proc = viafb_vt1636_proc_read;
1810                                 entry->write_proc = viafb_vt1636_proc_write;
1811                         }
1812                 }
1813
1814         }
1815 }
1816 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1817 {
1818         /* no problem if it was not registered */
1819         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1820         remove_proc_entry("dvp1", viafb_entry);
1821         remove_proc_entry("dfph", viafb_entry);
1822         remove_proc_entry("dfpl", viafb_entry);
1823         remove_proc_entry("vt1636", viafb_entry);
1824         remove_proc_entry("vt1625", viafb_entry);
1825         remove_proc_entry("viafb", NULL);
1826 }
1827
1828 static int __devinit via_pci_probe(void)
1829 {
1830         unsigned long default_xres, default_yres;
1831         char *tmpc, *tmpm;
1832         char *tmpc_sec, *tmpm_sec;
1833         int vmode_index;
1834         u32 viafb_par_length;
1835
1836         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1837
1838         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1839
1840         /* Allocate fb_info and ***_par here, also including some other needed
1841          * variables
1842         */
1843         viafbinfo = framebuffer_alloc(viafb_par_length +
1844                 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8), NULL);
1845         if (!viafbinfo) {
1846                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1847                 return -ENODEV;
1848         }
1849
1850         viaparinfo = (struct viafb_par *)viafbinfo->par;
1851         viaparinfo->shared = viafbinfo->par + viafb_par_length;
1852         viaparinfo->vram_addr = 0;
1853         viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1854         viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1855         viaparinfo->lvds_setting_info2 =
1856                 &viaparinfo->shared->lvds_setting_info2;
1857         viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1858         viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1859
1860         if (viafb_dual_fb)
1861                 viafb_SAMM_ON = 1;
1862         parse_active_dev();
1863         parse_lcd_port();
1864         parse_dvi_port();
1865
1866         /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
1867         if (!viafb_SAMM_ON)
1868                 viafb_dual_fb = 0;
1869
1870         /* Set up I2C bus stuff */
1871         viafb_create_i2c_bus(viaparinfo);
1872
1873         viafb_init_chip_info();
1874         viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize);
1875         viaparinfo->fbmem_free = viaparinfo->memsize;
1876         viaparinfo->fbmem_used = 0;
1877         viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,
1878                 viaparinfo->memsize);
1879         if (!viafbinfo->screen_base) {
1880                 printk(KERN_INFO "ioremap failed\n");
1881                 return -ENOMEM;
1882         }
1883
1884         viafb_get_mmio_info(&viafbinfo->fix.mmio_start,
1885                 &viafbinfo->fix.mmio_len);
1886         viaparinfo->io_virt = ioremap_nocache(viafbinfo->fix.mmio_start,
1887                 viafbinfo->fix.mmio_len);
1888         if (!viaparinfo->io_virt) {
1889                 printk(KERN_WARNING "ioremap failed: hardware acceleration disabled\n");
1890                 viafb_accel = 0;
1891         }
1892
1893         viafbinfo->node = 0;
1894         viafbinfo->fbops = &viafb_ops;
1895         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1896
1897         viafbinfo->pseudo_palette = pseudo_pal;
1898         if (viafb_accel) {
1899                 viafb_init_accel(viaparinfo->shared);
1900                 viafb_init_2d_engine();
1901                 viafb_hw_cursor_init();
1902         }
1903
1904         if (viafb_second_size && (viafb_second_size < 8)) {
1905                 viafb_second_offset = viaparinfo->fbmem_free -
1906                         viafb_second_size * 1024 * 1024;
1907         } else {
1908                 viafb_second_size = 8;
1909                 viafb_second_offset = viaparinfo->fbmem_free -
1910                         viafb_second_size * 1024 * 1024;
1911         }
1912
1913         tmpm = viafb_mode;
1914         tmpc = strsep(&tmpm, "x");
1915         strict_strtoul(tmpc, 0, &default_xres);
1916         strict_strtoul(tmpm, 0, &default_yres);
1917
1918         vmode_index = viafb_get_mode_index(default_xres, default_yres);
1919         DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
1920
1921         if (viafb_SAMM_ON == 1) {
1922                 if (strcmp(viafb_mode, viafb_mode1)) {
1923                         tmpm_sec = viafb_mode1;
1924                         tmpc_sec = strsep(&tmpm_sec, "x");
1925                         strict_strtoul(tmpc_sec, 0,
1926                                 (unsigned long *)&viafb_second_xres);
1927                         strict_strtoul(tmpm_sec, 0,
1928                                 (unsigned long *)&viafb_second_yres);
1929                 } else {
1930                         viafb_second_xres = default_xres;
1931                         viafb_second_yres = default_yres;
1932                 }
1933                 if (0 == viafb_second_virtual_xres) {
1934                         switch (viafb_second_xres) {
1935                         case 1400:
1936                                 viafb_second_virtual_xres = 1408;
1937                                 break;
1938                         default:
1939                                 viafb_second_virtual_xres = viafb_second_xres;
1940                                 break;
1941                         }
1942                 }
1943                 if (0 == viafb_second_virtual_yres)
1944                         viafb_second_virtual_yres = viafb_second_yres;
1945         }
1946
1947         switch (viafb_bpp) {
1948         case 0 ... 8:
1949                 viafb_bpp = 8;
1950                 break;
1951         case 9 ... 16:
1952                 viafb_bpp = 16;
1953                 break;
1954         case 17 ... 32:
1955                 viafb_bpp = 32;
1956                 break;
1957         default:
1958                 viafb_bpp = 8;
1959         }
1960         default_var.xres = default_xres;
1961         default_var.yres = default_yres;
1962         switch (default_xres) {
1963         case 1400:
1964                 default_var.xres_virtual = 1408;
1965                 break;
1966         default:
1967                 default_var.xres_virtual = default_xres;
1968                 break;
1969         }
1970         default_var.yres_virtual = default_yres;
1971         default_var.bits_per_pixel = viafb_bpp;
1972         if (default_var.bits_per_pixel == 15)
1973                 default_var.bits_per_pixel = 16;
1974         default_var.pixclock =
1975             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1976         default_var.left_margin = (default_xres >> 3) & 0xf8;
1977         default_var.right_margin = 32;
1978         default_var.upper_margin = 16;
1979         default_var.lower_margin = 4;
1980         default_var.hsync_len = default_var.left_margin;
1981         default_var.vsync_len = 4;
1982         default_var.accel_flags = 0;
1983
1984         if (viafb_accel) {
1985                 viafbinfo->flags |=
1986                     (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
1987                      FBINFO_HWACCEL_IMAGEBLIT);
1988                 default_var.accel_flags |= FB_ACCELF_TEXT;
1989         } else
1990                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1991
1992         if (viafb_dual_fb) {
1993                 viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL);
1994                 if (!viafbinfo1) {
1995                         printk(KERN_ERR
1996                         "allocate the second framebuffer struct error\n");
1997                         framebuffer_release(viafbinfo);
1998                         return -ENOMEM;
1999                 }
2000                 viaparinfo1 = viafbinfo1->par;
2001                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
2002                 viaparinfo1->vram_addr = viafb_second_offset;
2003                 viaparinfo1->memsize = viaparinfo->memsize -
2004                         viafb_second_offset;
2005                 viaparinfo->memsize = viafb_second_offset;
2006                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
2007
2008                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
2009                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
2010                         viaparinfo1->fbmem_used;
2011                 viaparinfo->fbmem_free = viaparinfo->memsize;
2012                 viaparinfo->fbmem_used = 0;
2013                 if (viafb_accel) {
2014                         viaparinfo1->cursor_start =
2015                             viaparinfo->cursor_start - viafb_second_offset;
2016                         viaparinfo1->VQ_start = viaparinfo->VQ_start -
2017                                 viafb_second_offset;
2018                         viaparinfo1->VQ_end = viaparinfo->VQ_end -
2019                                 viafb_second_offset;
2020                 }
2021
2022                 viaparinfo->iga_path = IGA1;
2023                 viaparinfo1->iga_path = IGA2;
2024                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2025                 viafbinfo1->par = viaparinfo1;
2026                 viafbinfo1->screen_base = viafbinfo->screen_base +
2027                         viafb_second_offset;
2028
2029                 default_var.xres = viafb_second_xres;
2030                 default_var.yres = viafb_second_yres;
2031                 default_var.xres_virtual = viafb_second_virtual_xres;
2032                 default_var.yres_virtual = viafb_second_virtual_yres;
2033                 if (viafb_bpp1 != viafb_bpp)
2034                         viafb_bpp1 = viafb_bpp;
2035                 default_var.bits_per_pixel = viafb_bpp1;
2036                 default_var.pixclock =
2037                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2038                     viafb_refresh);
2039                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2040                 default_var.right_margin = 32;
2041                 default_var.upper_margin = 16;
2042                 default_var.lower_margin = 4;
2043                 default_var.hsync_len = default_var.left_margin;
2044                 default_var.vsync_len = 4;
2045
2046                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2047                 viafb_check_var(&default_var, viafbinfo1);
2048                 viafbinfo1->var = default_var;
2049                 viafb_update_fix(viafbinfo1);
2050                 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
2051                         &viafbinfo1->fix);
2052         }
2053
2054         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2055         viafb_check_var(&default_var, viafbinfo);
2056         viafbinfo->var = default_var;
2057         viafb_update_fix(viafbinfo);
2058         viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
2059                 &viafbinfo->fix);
2060         default_var.activate = FB_ACTIVATE_NOW;
2061         fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2062
2063         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2064             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2065                 if (register_framebuffer(viafbinfo1) < 0)
2066                         return -EINVAL;
2067         }
2068         if (register_framebuffer(viafbinfo) < 0)
2069                 return -EINVAL;
2070
2071         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2072                         || (viaparinfo->chip_info->gfx_chip_name !=
2073                         UNICHROME_CLE266))) {
2074                 if (register_framebuffer(viafbinfo1) < 0)
2075                         return -EINVAL;
2076         }
2077         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2078                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2079                   default_var.yres, default_var.bits_per_pixel);
2080
2081         viafb_init_proc(&viaparinfo->shared->proc_entry);
2082         viafb_init_dac(IGA2);
2083         return 0;
2084 }
2085
2086 static void __devexit via_pci_remove(void)
2087 {
2088         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2089         fb_dealloc_cmap(&viafbinfo->cmap);
2090         unregister_framebuffer(viafbinfo);
2091         if (viafb_dual_fb)
2092                 unregister_framebuffer(viafbinfo1);
2093         iounmap((void *)viafbinfo->screen_base);
2094         iounmap(viaparinfo->io_virt);
2095
2096         viafb_delete_i2c_buss(viaparinfo);
2097
2098         framebuffer_release(viafbinfo);
2099         if (viafb_dual_fb)
2100                 framebuffer_release(viafbinfo1);
2101
2102         viafb_remove_proc(viaparinfo->shared->proc_entry);
2103 }
2104
2105 #ifndef MODULE
2106 static int __init viafb_setup(char *options)
2107 {
2108         char *this_opt;
2109         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2110
2111         if (!options || !*options)
2112                 return 0;
2113
2114         while ((this_opt = strsep(&options, ",")) != NULL) {
2115                 if (!*this_opt)
2116                         continue;
2117
2118                 if (!strncmp(this_opt, "viafb_mode1=", 12))
2119                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2120                 else if (!strncmp(this_opt, "viafb_mode=", 11))
2121                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2122                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2123                         strict_strtoul(this_opt + 11, 0,
2124                                 (unsigned long *)&viafb_bpp1);
2125                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2126                         strict_strtoul(this_opt + 10, 0,
2127                                 (unsigned long *)&viafb_bpp);
2128                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2129                         strict_strtoul(this_opt + 15, 0,
2130                                 (unsigned long *)&viafb_refresh1);
2131                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2132                         strict_strtoul(this_opt + 14, 0,
2133                                 (unsigned long *)&viafb_refresh);
2134                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2135                         strict_strtoul(this_opt + 21, 0,
2136                                 (unsigned long *)&viafb_lcd_dsp_method);
2137                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2138                         strict_strtoul(this_opt + 19, 0,
2139                                 (unsigned long *)&viafb_lcd_panel_id);
2140                 else if (!strncmp(this_opt, "viafb_accel=", 12))
2141                         strict_strtoul(this_opt + 12, 0,
2142                                 (unsigned long *)&viafb_accel);
2143                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2144                         strict_strtoul(this_opt + 14, 0,
2145                                 (unsigned long *)&viafb_SAMM_ON);
2146                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2147                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2148                 else if (!strncmp(this_opt,
2149                         "viafb_display_hardware_layout=", 30))
2150                         strict_strtoul(this_opt + 30, 0,
2151                         (unsigned long *)&viafb_display_hardware_layout);
2152                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2153                         strict_strtoul(this_opt + 18, 0,
2154                                 (unsigned long *)&viafb_second_size);
2155                 else if (!strncmp(this_opt,
2156                         "viafb_platform_epia_dvi=", 24))
2157                         strict_strtoul(this_opt + 24, 0,
2158                                 (unsigned long *)&viafb_platform_epia_dvi);
2159                 else if (!strncmp(this_opt,
2160                         "viafb_device_lcd_dualedge=", 26))
2161                         strict_strtoul(this_opt + 26, 0,
2162                                 (unsigned long *)&viafb_device_lcd_dualedge);
2163                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2164                         strict_strtoul(this_opt + 16, 0,
2165                                 (unsigned long *)&viafb_bus_width);
2166                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2167                         strict_strtoul(this_opt + 15, 0,
2168                                 (unsigned long *)&viafb_lcd_mode);
2169                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2170                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2171                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2172                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2173         }
2174         return 0;
2175 }
2176 #endif
2177
2178 static int __init viafb_init(void)
2179 {
2180 #ifndef MODULE
2181         char *option = NULL;
2182         if (fb_get_options("viafb", &option))
2183                 return -ENODEV;
2184         viafb_setup(option);
2185 #endif
2186         printk(KERN_INFO
2187        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2188                VERSION_MAJOR, VERSION_MINOR);
2189         return via_pci_probe();
2190 }
2191
2192 static void __exit viafb_exit(void)
2193 {
2194         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2195         via_pci_remove();
2196 }
2197
2198 static struct fb_ops viafb_ops = {
2199         .owner = THIS_MODULE,
2200         .fb_open = viafb_open,
2201         .fb_release = viafb_release,
2202         .fb_check_var = viafb_check_var,
2203         .fb_set_par = viafb_set_par,
2204         .fb_setcolreg = viafb_setcolreg,
2205         .fb_pan_display = viafb_pan_display,
2206         .fb_blank = viafb_blank,
2207         .fb_fillrect = viafb_fillrect,
2208         .fb_copyarea = viafb_copyarea,
2209         .fb_imageblit = viafb_imageblit,
2210         .fb_cursor = viafb_cursor,
2211         .fb_ioctl = viafb_ioctl,
2212         .fb_sync = viafb_sync,
2213         .fb_setcmap = viafb_setcmap,
2214 };
2215
2216 module_init(viafb_init);
2217 module_exit(viafb_exit);
2218
2219 #ifdef MODULE
2220 module_param(viafb_memsize, int, 0);
2221
2222 module_param(viafb_mode, charp, 0);
2223 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2224
2225 module_param(viafb_mode1, charp, 0);
2226 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2227
2228 module_param(viafb_bpp, int, 0);
2229 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2230
2231 module_param(viafb_bpp1, int, 0);
2232 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2233
2234 module_param(viafb_refresh, int, 0);
2235 MODULE_PARM_DESC(viafb_refresh,
2236         "Set CRT viafb_refresh rate (default = 60)");
2237
2238 module_param(viafb_refresh1, int, 0);
2239 MODULE_PARM_DESC(viafb_refresh1,
2240         "Set CRT refresh rate (default = 60)");
2241
2242 module_param(viafb_lcd_panel_id, int, 0);
2243 MODULE_PARM_DESC(viafb_lcd_panel_id,
2244         "Set Flat Panel type(Default=1024x768)");
2245
2246 module_param(viafb_lcd_dsp_method, int, 0);
2247 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2248         "Set Flat Panel display scaling method.(Default=Expandsion)");
2249
2250 module_param(viafb_SAMM_ON, int, 0);
2251 MODULE_PARM_DESC(viafb_SAMM_ON,
2252         "Turn on/off flag of SAMM(Default=OFF)");
2253
2254 module_param(viafb_accel, int, 0);
2255 MODULE_PARM_DESC(viafb_accel,
2256         "Set 2D Hardware Acceleration.(Default = OFF)");
2257
2258 module_param(viafb_active_dev, charp, 0);
2259 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2260
2261 module_param(viafb_display_hardware_layout, int, 0);
2262 MODULE_PARM_DESC(viafb_display_hardware_layout,
2263         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2264
2265 module_param(viafb_second_size, int, 0);
2266 MODULE_PARM_DESC(viafb_second_size,
2267         "Set secondary device memory size");
2268
2269 module_param(viafb_dual_fb, int, 0);
2270 MODULE_PARM_DESC(viafb_dual_fb,
2271         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2272
2273 module_param(viafb_platform_epia_dvi, int, 0);
2274 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2275         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2276
2277 module_param(viafb_device_lcd_dualedge, int, 0);
2278 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2279         "Turn on/off flag of dual edge panel.(Default = OFF)");
2280
2281 module_param(viafb_bus_width, int, 0);
2282 MODULE_PARM_DESC(viafb_bus_width,
2283         "Set bus width of panel.(Default = 12)");
2284
2285 module_param(viafb_lcd_mode, int, 0);
2286 MODULE_PARM_DESC(viafb_lcd_mode,
2287         "Set Flat Panel mode(Default=OPENLDI)");
2288
2289 module_param(viafb_lcd_port, charp, 0);
2290 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2291
2292 module_param(viafb_dvi_port, charp, 0);
2293 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2294
2295 MODULE_LICENSE("GPL");
2296 #endif