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 #include <linux/seq_file.h>
  24 #define _MASTER_FILE
  25
  26 #include "global.h"
  27
  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         struct viafb_par *viapar = info->par;
 859         u32 temp, xx, yy, bg_color = 0, fg_color = 0,
 860                 chip_name = viapar->shared->chip_info.gfx_chip_name;
 861         int i, j = 0, cur_size = 64;
 862
 863         if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
 864                 return -ENODEV;
 865
 866         if (chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2)
 867                 return -ENODEV;
 868
 869         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 870
 871         if (cursor->set & FB_CUR_SETHOT) {
 872                 temp = (cursor->hot.x << 16) + cursor->hot.y;
 873                 writel(temp, viapar->io_virt + VIA_REG_CURSOR_ORG);
 874         }
 875
 876         if (cursor->set & FB_CUR_SETPOS) {
 877                 yy = cursor->image.dy - info->var.yoffset;
 878                 xx = cursor->image.dx - info->var.xoffset;
 879                 temp = yy & 0xFFFF;
 880                 temp |= (xx << 16);
 881                 writel(temp, viapar->io_virt + VIA_REG_CURSOR_POS);
 882         }
 883
 884         if (cursor->image.width <= 32 && cursor->image.height <= 32)
 885                 cur_size = 32;
 886         else if (cursor->image.width <= 64 && cursor->image.height <= 64)
 887                 cur_size = 64;
 888         else {
 889                 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
 890                         "%dx%d", cursor->image.width, cursor->image.height);
 891                 return -ENXIO;
 892         }
 893
 894         if (cursor->set & FB_CUR_SETSIZE) {
 895                 temp = readl(viapar->io_virt + VIA_REG_CURSOR_MODE);
 896                 if (cur_size == 32)
 897                         temp |= 0x2;
 898                 else
 899                         temp &= ~0x2;
 900
 901                 writel(temp, viapar->io_virt + VIA_REG_CURSOR_MODE);
 902         }
 903
 904         if (cursor->set & FB_CUR_SETCMAP) {
 905                 fg_color = cursor->image.fg_color;
 906                 bg_color = cursor->image.bg_color;
 907                 if (chip_name == UNICHROME_CX700 ||
 908                         chip_name == UNICHROME_VX800) {
 909                         fg_color =
 910                                 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
 911                                 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
 912                                 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
 913                         bg_color =
 914                                 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
 915                                 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
 916                                 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
 917                 } else {
 918                         fg_color =
 919                                 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
 920                                 (info->cmap.green[fg_color] & 0xFF00) |
 921                                 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
 922                         bg_color =
 923                                 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
 924                                 (info->cmap.green[bg_color] & 0xFF00) |
 925                                 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
 926                 }
 927
 928                 writel(bg_color, viapar->io_virt + VIA_REG_CURSOR_BG);
 929                 writel(fg_color, viapar->io_virt + VIA_REG_CURSOR_FG);
 930         }
 931
 932         if (cursor->set & FB_CUR_SETSHAPE) {
 933                 struct {
 934                         u8 data[CURSOR_SIZE];
 935                         u32 bak[CURSOR_SIZE / 4];
 936                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
 937                 int size = ((cursor->image.width + 7) >> 3) *
 938                         cursor->image.height;
 939
 940                 if (!cr_data)
 941                         return -ENOMEM;
 942
 943                 if (cur_size == 32) {
 944                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 945                                 cr_data->bak[i] = 0x0;
 946                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
 947                                 i += 1;
 948                         }
 949                 } else {
 950                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 951                                 cr_data->bak[i] = 0x0;
 952                                 cr_data->bak[i + 1] = 0x0;
 953                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
 954                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
 955                                 i += 3;
 956                         }
 957                 }
 958
 959                 switch (cursor->rop) {
 960                 case ROP_XOR:
 961                         for (i = 0; i < size; i++)
 962                                 cr_data->data[i] = cursor->mask[i];
 963                         break;
 964                 case ROP_COPY:
 965
 966                         for (i = 0; i < size; i++)
 967                                 cr_data->data[i] = cursor->mask[i];
 968                         break;
 969                 default:
 970                         break;
 971                 }
 972
 973                 if (cur_size == 32) {
 974                         for (i = 0; i < size; i++) {
 975                                 cr_data->bak[j] = (u32) cr_data->data[i];
 976                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
 977                                 j += 2;
 978                         }
 979                 } else {
 980                         for (i = 0; i < size; i++) {
 981                                 cr_data->bak[j] = (u32) cr_data->data[i];
 982                                 cr_data->bak[j + 1] = 0x0;
 983                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
 984                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
 985                                 j += 4;
 986                         }
 987                 }
 988
 989                 memcpy_toio(viafbinfo->screen_base + viapar->shared->
 990                         cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
 991                 kfree(cr_data);
 992         }
 993
 994         if (cursor->enable)
 995                 viafb_show_hw_cursor(info, HW_Cursor_ON);
 996
 997         return 0;
 998 }
 999
1000 static int viafb_sync(struct fb_info *info)
1001 {
1002         if (viafb_accel)
1003                 viafb_wait_engine_idle();
1004         return 0;
1005 }
1006
1007 int viafb_get_mode_index(int hres, int vres)
1008 {
1009         u32 i;
1010         DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
1011
1012         for (i = 0; i < NUM_TOTAL_MODETABLE; i++)
1013                 if (CLE266Modes[i].mode_array &&
1014                         CLE266Modes[i].crtc[0].crtc.hor_addr == hres &&
1015                         CLE266Modes[i].crtc[0].crtc.ver_addr == vres)
1016                         break;
1017
1018         if (i == NUM_TOTAL_MODETABLE)
1019                 return VIA_RES_INVALID;
1020
1021         return CLE266Modes[i].ModeIndex;
1022 }
1023
1024 static void check_available_device_to_enable(int device_id)
1025 {
1026         int device_num = 0;
1027
1028         /* Initialize: */
1029         viafb_CRT_ON = STATE_OFF;
1030         viafb_DVI_ON = STATE_OFF;
1031         viafb_LCD_ON = STATE_OFF;
1032         viafb_LCD2_ON = STATE_OFF;
1033         viafb_DeviceStatus = None_Device;
1034
1035         if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1036                 viafb_CRT_ON = STATE_ON;
1037                 device_num++;
1038                 viafb_DeviceStatus |= CRT_Device;
1039         }
1040
1041         if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1042                 viafb_DVI_ON = STATE_ON;
1043                 device_num++;
1044                 viafb_DeviceStatus |= DVI_Device;
1045         }
1046
1047         if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1048                 viafb_LCD_ON = STATE_ON;
1049                 device_num++;
1050                 viafb_DeviceStatus |= LCD_Device;
1051         }
1052
1053         if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1054                 viafb_LCD2_ON = STATE_ON;
1055                 device_num++;
1056                 viafb_DeviceStatus |= LCD2_Device;
1057         }
1058
1059         if (viafb_DeviceStatus == None_Device) {
1060                 /* Use CRT as default active device: */
1061                 viafb_CRT_ON = STATE_ON;
1062                 viafb_DeviceStatus = CRT_Device;
1063         }
1064         DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1065 }
1066
1067 static void viafb_set_device(struct device_t active_dev)
1068 {
1069         /* Check available device to enable: */
1070         int device_id = None_Device;
1071         if (active_dev.crt)
1072                 device_id |= CRT_Device;
1073         if (active_dev.dvi)
1074                 device_id |= DVI_Device;
1075         if (active_dev.lcd)
1076                 device_id |= LCD_Device;
1077
1078         check_available_device_to_enable(device_id);
1079
1080         /* Check property of LCD: */
1081         if (viafb_LCD_ON) {
1082                 if (active_dev.lcd_dsp_cent) {
1083                         viaparinfo->lvds_setting_info->display_method =
1084                                 viafb_lcd_dsp_method = LCD_CENTERING;
1085                 } else {
1086                         viaparinfo->lvds_setting_info->display_method =
1087                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1088                 }
1089
1090                 if (active_dev.lcd_mode == LCD_SPWG) {
1091                         viaparinfo->lvds_setting_info->lcd_mode =
1092                                 viafb_lcd_mode = LCD_SPWG;
1093                 } else {
1094                         viaparinfo->lvds_setting_info->lcd_mode =
1095                                 viafb_lcd_mode = LCD_OPENLDI;
1096                 }
1097
1098                 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1099                         viafb_lcd_panel_id = active_dev.lcd_panel_id;
1100                         viafb_init_lcd_size();
1101                 }
1102         }
1103
1104         /* Check property of mode: */
1105         if (!active_dev.xres1)
1106                 viafb_second_xres = 640;
1107         else
1108                 viafb_second_xres = active_dev.xres1;
1109         if (!active_dev.yres1)
1110                 viafb_second_yres = 480;
1111         else
1112                 viafb_second_yres = active_dev.yres1;
1113         if (active_dev.bpp != 0)
1114                 viafb_bpp = active_dev.bpp;
1115         if (active_dev.bpp1 != 0)
1116                 viafb_bpp1 = active_dev.bpp1;
1117         if (active_dev.refresh != 0)
1118                 viafb_refresh = active_dev.refresh;
1119         if (active_dev.refresh1 != 0)
1120                 viafb_refresh1 = active_dev.refresh1;
1121         if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1122                 viafb_SAMM_ON = active_dev.samm;
1123         viafb_primary_dev = active_dev.primary_dev;
1124
1125         viafb_set_primary_address(0);
1126         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1127         viafb_set_iga_path();
1128 }
1129
1130 static int get_primary_device(void)
1131 {
1132         int primary_device = 0;
1133         /* Rule: device on iga1 path are the primary device. */
1134         if (viafb_SAMM_ON) {
1135                 if (viafb_CRT_ON) {
1136                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1137                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1138                                         viaparinfo->
1139                                         crt_setting_info->iga_path);
1140                                 primary_device = CRT_Device;
1141                         }
1142                 }
1143                 if (viafb_DVI_ON) {
1144                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1145                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1146                                         viaparinfo->
1147                                         tmds_setting_info->iga_path);
1148                                 primary_device = DVI_Device;
1149                         }
1150                 }
1151                 if (viafb_LCD_ON) {
1152                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1153                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1154                                         viaparinfo->
1155                                         lvds_setting_info->iga_path);
1156                                 primary_device = LCD_Device;
1157                         }
1158                 }
1159                 if (viafb_LCD2_ON) {
1160                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1161                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1162                                         viaparinfo->
1163                                         lvds_setting_info2->iga_path);
1164                                 primary_device = LCD2_Device;
1165                         }
1166                 }
1167         }
1168         return primary_device;
1169 }
1170
1171 static void apply_second_mode_setting(struct fb_var_screeninfo
1172         *sec_var)
1173 {
1174         u32 htotal, vtotal, long_refresh;
1175
1176         htotal = sec_var->xres + sec_var->left_margin +
1177                 sec_var->right_margin + sec_var->hsync_len;
1178         vtotal = sec_var->yres + sec_var->upper_margin +
1179                 sec_var->lower_margin + sec_var->vsync_len;
1180         if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1181                 /*Is 32 bytes alignment? */
1182                 /*32 pixel alignment */
1183                 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1184         }
1185
1186         htotal = sec_var->xres + sec_var->left_margin +
1187                 sec_var->right_margin + sec_var->hsync_len;
1188         vtotal = sec_var->yres + sec_var->upper_margin +
1189                 sec_var->lower_margin + sec_var->vsync_len;
1190         long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1191         long_refresh /= (htotal * vtotal);
1192
1193         viafb_second_xres = sec_var->xres;
1194         viafb_second_yres = sec_var->yres;
1195         viafb_second_virtual_xres = sec_var->xres_virtual;
1196         viafb_second_virtual_yres = sec_var->yres_virtual;
1197         viafb_bpp1 = sec_var->bits_per_pixel;
1198         viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1199                 long_refresh);
1200 }
1201
1202 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1203         struct fb_info *info)
1204 {
1205         int need_set_mode = 0;
1206         DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1207
1208         if (setting_info.device_flag) {
1209                 need_set_mode = 1;
1210                 check_available_device_to_enable(setting_info.device_status);
1211         }
1212
1213         /* Unlock LCD's operation according to LCD flag
1214            and check if the setting value is valid. */
1215         /* If the value is valid, apply the new setting value to the device. */
1216         if (viafb_LCD_ON) {
1217                 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1218                         need_set_mode = 1;
1219                         if (setting_info.lcd_attributes.display_center) {
1220                                 /* Centering */
1221                                 viaparinfo->lvds_setting_info->display_method =
1222                                     LCD_CENTERING;
1223                                 viafb_lcd_dsp_method = LCD_CENTERING;
1224                                 viaparinfo->lvds_setting_info2->display_method =
1225                                     viafb_lcd_dsp_method = LCD_CENTERING;
1226                         } else {
1227                                 /* expandsion */
1228                                 viaparinfo->lvds_setting_info->display_method =
1229                                     LCD_EXPANDSION;
1230                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1231                                 viaparinfo->lvds_setting_info2->display_method =
1232                                     LCD_EXPANDSION;
1233                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1234                         }
1235                 }
1236
1237                 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1238                         need_set_mode = 1;
1239                         if (setting_info.lcd_attributes.lcd_mode ==
1240                                 LCD_SPWG) {
1241                                 viaparinfo->lvds_setting_info->lcd_mode =
1242                                         viafb_lcd_mode = LCD_SPWG;
1243                         } else {
1244                                 viaparinfo->lvds_setting_info->lcd_mode =
1245                                         viafb_lcd_mode = LCD_OPENLDI;
1246                         }
1247                         viaparinfo->lvds_setting_info2->lcd_mode =
1248                             viaparinfo->lvds_setting_info->lcd_mode;
1249                 }
1250
1251                 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1252                         need_set_mode = 1;
1253                         if (setting_info.lcd_attributes.panel_id <=
1254                             LCD_PANEL_ID_MAXIMUM) {
1255                                 viafb_lcd_panel_id =
1256                                     setting_info.lcd_attributes.panel_id;
1257                                 viafb_init_lcd_size();
1258                         }
1259                 }
1260         }
1261
1262         if (0 != (setting_info.samm_status & OP_SAMM)) {
1263                 setting_info.samm_status =
1264                     setting_info.samm_status & (~OP_SAMM);
1265                 if (setting_info.samm_status == 0
1266                     || setting_info.samm_status == 1) {
1267                         viafb_SAMM_ON = setting_info.samm_status;
1268
1269                         if (viafb_SAMM_ON)
1270                                 viafb_primary_dev = setting_info.primary_device;
1271
1272                         viafb_set_primary_address(0);
1273                         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1274                         viafb_set_iga_path();
1275                 }
1276                 need_set_mode = 1;
1277         }
1278
1279         if (!need_set_mode) {
1280                 ;
1281         } else {
1282                 viafb_set_iga_path();
1283                 viafb_set_par(info);
1284         }
1285         return true;
1286 }
1287
1288 static void retrieve_device_setting(struct viafb_ioctl_setting
1289         *setting_info)
1290 {
1291
1292         /* get device status */
1293         if (viafb_CRT_ON == 1)
1294                 setting_info->device_status = CRT_Device;
1295         if (viafb_DVI_ON == 1)
1296                 setting_info->device_status |= DVI_Device;
1297         if (viafb_LCD_ON == 1)
1298                 setting_info->device_status |= LCD_Device;
1299         if (viafb_LCD2_ON == 1)
1300                 setting_info->device_status |= LCD2_Device;
1301
1302         setting_info->samm_status = viafb_SAMM_ON;
1303         setting_info->primary_device = get_primary_device();
1304
1305         setting_info->first_dev_bpp = viafb_bpp;
1306         setting_info->second_dev_bpp = viafb_bpp1;
1307
1308         setting_info->first_dev_refresh = viafb_refresh;
1309         setting_info->second_dev_refresh = viafb_refresh1;
1310
1311         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1312         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1313         setting_info->second_dev_hor_res = viafb_second_xres;
1314         setting_info->second_dev_ver_res = viafb_second_yres;
1315
1316         /* Get lcd attributes */
1317         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1318         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1319         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1320 }
1321
1322 static void parse_active_dev(void)
1323 {
1324         viafb_CRT_ON = STATE_OFF;
1325         viafb_DVI_ON = STATE_OFF;
1326         viafb_LCD_ON = STATE_OFF;
1327         viafb_LCD2_ON = STATE_OFF;
1328         /* 1. Modify the active status of devices. */
1329         /* 2. Keep the order of devices, so we can set corresponding
1330            IGA path to devices in SAMM case. */
1331         /*    Note: The previous of active_dev is primary device,
1332            and the following is secondary device. */
1333         if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
1334                 /* CRT+DVI */
1335                 viafb_CRT_ON = STATE_ON;
1336                 viafb_DVI_ON = STATE_ON;
1337                 viafb_primary_dev = CRT_Device;
1338         } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
1339                 /* DVI+CRT */
1340                 viafb_CRT_ON = STATE_ON;
1341                 viafb_DVI_ON = STATE_ON;
1342                 viafb_primary_dev = DVI_Device;
1343         } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
1344                 /* CRT+LCD */
1345                 viafb_CRT_ON = STATE_ON;
1346                 viafb_LCD_ON = STATE_ON;
1347                 viafb_primary_dev = CRT_Device;
1348         } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
1349                 /* LCD+CRT */
1350                 viafb_CRT_ON = STATE_ON;
1351                 viafb_LCD_ON = STATE_ON;
1352                 viafb_primary_dev = LCD_Device;
1353         } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
1354                 /* DVI+LCD */
1355                 viafb_DVI_ON = STATE_ON;
1356                 viafb_LCD_ON = STATE_ON;
1357                 viafb_primary_dev = DVI_Device;
1358         } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
1359                 /* LCD+DVI */
1360                 viafb_DVI_ON = STATE_ON;
1361                 viafb_LCD_ON = STATE_ON;
1362                 viafb_primary_dev = LCD_Device;
1363         } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
1364                 viafb_LCD_ON = STATE_ON;
1365                 viafb_LCD2_ON = STATE_ON;
1366                 viafb_primary_dev = LCD_Device;
1367         } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
1368                 viafb_LCD_ON = STATE_ON;
1369                 viafb_LCD2_ON = STATE_ON;
1370                 viafb_primary_dev = LCD2_Device;
1371         } else if (!strncmp(viafb_active_dev, "CRT", 3)) {
1372                 /* CRT only */
1373                 viafb_CRT_ON = STATE_ON;
1374                 viafb_SAMM_ON = STATE_OFF;
1375         } else if (!strncmp(viafb_active_dev, "DVI", 3)) {
1376                 /* DVI only */
1377                 viafb_DVI_ON = STATE_ON;
1378                 viafb_SAMM_ON = STATE_OFF;
1379         } else if (!strncmp(viafb_active_dev, "LCD", 3)) {
1380                 /* LCD only */
1381                 viafb_LCD_ON = STATE_ON;
1382                 viafb_SAMM_ON = STATE_OFF;
1383         } else {
1384                 viafb_CRT_ON = STATE_ON;
1385                 viafb_SAMM_ON = STATE_OFF;
1386         }
1387 }
1388
1389 static int parse_port(char *opt_str, int *output_interface)
1390 {
1391         if (!strncmp(opt_str, "DVP0", 4))
1392                 *output_interface = INTERFACE_DVP0;
1393         else if (!strncmp(opt_str, "DVP1", 4))
1394                 *output_interface = INTERFACE_DVP1;
1395         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1396                 *output_interface = INTERFACE_DFP;
1397         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1398                 *output_interface = INTERFACE_DFP_HIGH;
1399         else if (!strncmp(opt_str, "DFP_LOW", 7))
1400                 *output_interface = INTERFACE_DFP_LOW;
1401         else
1402                 *output_interface = INTERFACE_NONE;
1403         return 0;
1404 }
1405
1406 static void parse_lcd_port(void)
1407 {
1408         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1409                 output_interface);
1410         /*Initialize to avoid unexpected behavior */
1411         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1412         INTERFACE_NONE;
1413
1414         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1415                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1416                   output_interface);
1417 }
1418
1419 static void parse_dvi_port(void)
1420 {
1421         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1422                 output_interface);
1423
1424         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1425                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1426                   output_interface);
1427 }
1428
1429 /*
1430  * The proc filesystem read/write function, a simple proc implement to
1431  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1432  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1433  * CR9B,    SR65,    CR97,    CR99
1434  */
1435 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1436 {
1437         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1438         dvp0_data_dri =
1439             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1440             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1441         dvp0_clk_dri =
1442             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1443             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1444         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1445         seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1446         return 0;
1447 }
1448
1449 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1450 {
1451         return single_open(file, viafb_dvp0_proc_show, NULL);
1452 }
1453
1454 static ssize_t viafb_dvp0_proc_write(struct file *file,
1455         const char __user *buffer, size_t count, loff_t *pos)
1456 {
1457         char buf[20], *value, *pbuf;
1458         u8 reg_val = 0;
1459         unsigned long length, i;
1460         if (count < 1)
1461                 return -EINVAL;
1462         length = count > 20 ? 20 : count;
1463         if (copy_from_user(&buf[0], buffer, length))
1464                 return -EFAULT;
1465         buf[length - 1] = '\0'; /*Ensure end string */
1466         pbuf = &buf[0];
1467         for (i = 0; i < 3; i++) {
1468                 value = strsep(&pbuf, " ");
1469                 if (value != NULL) {
1470                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1471                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1472                                   reg_val);
1473                         switch (i) {
1474                         case 0:
1475                                 viafb_write_reg_mask(CR96, VIACR,
1476                                         reg_val, 0x0f);
1477                                 break;
1478                         case 1:
1479                                 viafb_write_reg_mask(SR2A, VIASR,
1480                                         reg_val << 4, BIT5);
1481                                 viafb_write_reg_mask(SR1B, VIASR,
1482                                         reg_val << 1, BIT1);
1483                                 break;
1484                         case 2:
1485                                 viafb_write_reg_mask(SR2A, VIASR,
1486                                         reg_val << 3, BIT4);
1487                                 viafb_write_reg_mask(SR1E, VIASR,
1488                                         reg_val << 2, BIT2);
1489                                 break;
1490                         default:
1491                                 break;
1492                         }
1493                 } else {
1494                         break;
1495                 }
1496         }
1497         return count;
1498 }
1499
1500 static const struct file_operations viafb_dvp0_proc_fops = {
1501         .owner          = THIS_MODULE,
1502         .open           = viafb_dvp0_proc_open,
1503         .read           = seq_read,
1504         .llseek         = seq_lseek,
1505         .release        = single_release,
1506         .write          = viafb_dvp0_proc_write,
1507 };
1508
1509 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1510 {
1511         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1512         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1513         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1514         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1515         seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1516         return 0;
1517 }
1518
1519 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1520 {
1521         return single_open(file, viafb_dvp1_proc_show, NULL);
1522 }
1523
1524 static ssize_t viafb_dvp1_proc_write(struct file *file,
1525         const char __user *buffer, size_t count, loff_t *pos)
1526 {
1527         char buf[20], *value, *pbuf;
1528         u8 reg_val = 0;
1529         unsigned long length, i;
1530         if (count < 1)
1531                 return -EINVAL;
1532         length = count > 20 ? 20 : count;
1533         if (copy_from_user(&buf[0], buffer, length))
1534                 return -EFAULT;
1535         buf[length - 1] = '\0'; /*Ensure end string */
1536         pbuf = &buf[0];
1537         for (i = 0; i < 3; i++) {
1538                 value = strsep(&pbuf, " ");
1539                 if (value != NULL) {
1540                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1541                         switch (i) {
1542                         case 0:
1543                                 viafb_write_reg_mask(CR9B, VIACR,
1544                                         reg_val, 0x0f);
1545                                 break;
1546                         case 1:
1547                                 viafb_write_reg_mask(SR65, VIASR,
1548                                         reg_val << 2, 0x0c);
1549                                 break;
1550                         case 2:
1551                                 viafb_write_reg_mask(SR65, VIASR,
1552                                         reg_val, 0x03);
1553                                 break;
1554                         default:
1555                                 break;
1556                         }
1557                 } else {
1558                         break;
1559                 }
1560         }
1561         return count;
1562 }
1563
1564 static const struct file_operations viafb_dvp1_proc_fops = {
1565         .owner          = THIS_MODULE,
1566         .open           = viafb_dvp1_proc_open,
1567         .read           = seq_read,
1568         .llseek         = seq_lseek,
1569         .release        = single_release,
1570         .write          = viafb_dvp1_proc_write,
1571 };
1572
1573 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1574 {
1575         u8 dfp_high = 0;
1576         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1577         seq_printf(m, "%x\n", dfp_high);
1578         return 0;
1579 }
1580
1581 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1582 {
1583         return single_open(file, viafb_dfph_proc_show, NULL);
1584 }
1585
1586 static ssize_t viafb_dfph_proc_write(struct file *file,
1587         const char __user *buffer, size_t count, loff_t *pos)
1588 {
1589         char buf[20];
1590         u8 reg_val = 0;
1591         unsigned long length;
1592         if (count < 1)
1593                 return -EINVAL;
1594         length = count > 20 ? 20 : count;
1595         if (copy_from_user(&buf[0], buffer, length))
1596                 return -EFAULT;
1597         buf[length - 1] = '\0'; /*Ensure end string */
1598         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1599         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1600         return count;
1601 }
1602
1603 static const struct file_operations viafb_dfph_proc_fops = {
1604         .owner          = THIS_MODULE,
1605         .open           = viafb_dfph_proc_open,
1606         .read           = seq_read,
1607         .llseek         = seq_lseek,
1608         .release        = single_release,
1609         .write          = viafb_dfph_proc_write,
1610 };
1611
1612 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1613 {
1614         u8 dfp_low = 0;
1615         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1616         seq_printf(m, "%x\n", dfp_low);
1617         return 0;
1618 }
1619
1620 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1621 {
1622         return single_open(file, viafb_dfpl_proc_show, NULL);
1623 }
1624
1625 static ssize_t viafb_dfpl_proc_write(struct file *file,
1626         const char __user *buffer, size_t count, loff_t *pos)
1627 {
1628         char buf[20];
1629         u8 reg_val = 0;
1630         unsigned long length;
1631         if (count < 1)
1632                 return -EINVAL;
1633         length = count > 20 ? 20 : count;
1634         if (copy_from_user(&buf[0], buffer, length))
1635                 return -EFAULT;
1636         buf[length - 1] = '\0'; /*Ensure end string */
1637         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1638         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1639         return count;
1640 }
1641
1642 static const struct file_operations viafb_dfpl_proc_fops = {
1643         .owner          = THIS_MODULE,
1644         .open           = viafb_dfpl_proc_open,
1645         .read           = seq_read,
1646         .llseek         = seq_lseek,
1647         .release        = single_release,
1648         .write          = viafb_dfpl_proc_write,
1649 };
1650
1651 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1652 {
1653         u8 vt1636_08 = 0, vt1636_09 = 0;
1654         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1655         case VT1636_LVDS:
1656                 vt1636_08 =
1657                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1658                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1659                 vt1636_09 =
1660                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1661                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1662                 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1663                 break;
1664         default:
1665                 break;
1666         }
1667         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1668         case VT1636_LVDS:
1669                 vt1636_08 =
1670                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1671                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1672                 vt1636_09 =
1673                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1674                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1675                 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1676                 break;
1677         default:
1678                 break;
1679         }
1680         return 0;
1681 }
1682
1683 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1684 {
1685         return single_open(file, viafb_vt1636_proc_show, NULL);
1686 }
1687
1688 static ssize_t viafb_vt1636_proc_write(struct file *file,
1689         const char __user *buffer, size_t count, loff_t *pos)
1690 {
1691         char buf[30], *value, *pbuf;
1692         struct IODATA reg_val;
1693         unsigned long length, i;
1694         if (count < 1)
1695                 return -EINVAL;
1696         length = count > 30 ? 30 : count;
1697         if (copy_from_user(&buf[0], buffer, length))
1698                 return -EFAULT;
1699         buf[length - 1] = '\0'; /*Ensure end string */
1700         pbuf = &buf[0];
1701         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1702         case VT1636_LVDS:
1703                 for (i = 0; i < 2; i++) {
1704                         value = strsep(&pbuf, " ");
1705                         if (value != NULL) {
1706                                 strict_strtoul(value, 0,
1707                                         (unsigned long *)&reg_val.Data);
1708                                 switch (i) {
1709                                 case 0:
1710                                         reg_val.Index = 0x08;
1711                                         reg_val.Mask = 0x0f;
1712                                         viafb_gpio_i2c_write_mask_lvds
1713                                             (viaparinfo->lvds_setting_info,
1714                                             &viaparinfo->
1715                                             chip_info->lvds_chip_info,
1716                                              reg_val);
1717                                         break;
1718                                 case 1:
1719                                         reg_val.Index = 0x09;
1720                                         reg_val.Mask = 0x1f;
1721                                         viafb_gpio_i2c_write_mask_lvds
1722                                             (viaparinfo->lvds_setting_info,
1723                                             &viaparinfo->
1724                                             chip_info->lvds_chip_info,
1725                                              reg_val);
1726                                         break;
1727                                 default:
1728                                         break;
1729                                 }
1730                         } else {
1731                                 break;
1732                         }
1733                 }
1734                 break;
1735         default:
1736                 break;
1737         }
1738         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1739         case VT1636_LVDS:
1740                 for (i = 0; i < 2; i++) {
1741                         value = strsep(&pbuf, " ");
1742                         if (value != NULL) {
1743                                 strict_strtoul(value, 0,
1744                                         (unsigned long *)&reg_val.Data);
1745                                 switch (i) {
1746                                 case 0:
1747                                         reg_val.Index = 0x08;
1748                                         reg_val.Mask = 0x0f;
1749                                         viafb_gpio_i2c_write_mask_lvds
1750                                             (viaparinfo->lvds_setting_info2,
1751                                             &viaparinfo->
1752                                             chip_info->lvds_chip_info2,
1753                                              reg_val);
1754                                         break;
1755                                 case 1:
1756                                         reg_val.Index = 0x09;
1757                                         reg_val.Mask = 0x1f;
1758                                         viafb_gpio_i2c_write_mask_lvds
1759                                             (viaparinfo->lvds_setting_info2,
1760                                             &viaparinfo->
1761                                             chip_info->lvds_chip_info2,
1762                                              reg_val);
1763                                         break;
1764                                 default:
1765                                         break;
1766                                 }
1767                         } else {
1768                                 break;
1769                         }
1770                 }
1771                 break;
1772         default:
1773                 break;
1774         }
1775         return count;
1776 }
1777
1778 static const struct file_operations viafb_vt1636_proc_fops = {
1779         .owner          = THIS_MODULE,
1780         .open           = viafb_vt1636_proc_open,
1781         .read           = seq_read,
1782         .llseek         = seq_lseek,
1783         .release        = single_release,
1784         .write          = viafb_vt1636_proc_write,
1785 };
1786
1787 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1788 {
1789         *viafb_entry = proc_mkdir("viafb", NULL);
1790         if (viafb_entry) {
1791                 proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
1792                 proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
1793                 proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
1794                 proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
1795                 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1796                         lvds_chip_name || VT1636_LVDS ==
1797                     viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1798                         proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
1799                 }
1800
1801         }
1802 }
1803 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1804 {
1805         /* no problem if it was not registered */
1806         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1807         remove_proc_entry("dvp1", viafb_entry);
1808         remove_proc_entry("dfph", viafb_entry);
1809         remove_proc_entry("dfpl", viafb_entry);
1810         remove_proc_entry("vt1636", viafb_entry);
1811         remove_proc_entry("vt1625", viafb_entry);
1812         remove_proc_entry("viafb", NULL);
1813 }
1814
1815 static int __devinit via_pci_probe(void)
1816 {
1817         unsigned long default_xres, default_yres;
1818         char *tmpc, *tmpm;
1819         char *tmpc_sec, *tmpm_sec;
1820         int vmode_index;
1821         u32 viafb_par_length;
1822
1823         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1824
1825         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1826
1827         /* Allocate fb_info and ***_par here, also including some other needed
1828          * variables
1829         */
1830         viafbinfo = framebuffer_alloc(viafb_par_length +
1831                 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8), NULL);
1832         if (!viafbinfo) {
1833                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1834                 return -ENODEV;
1835         }
1836
1837         viaparinfo = (struct viafb_par *)viafbinfo->par;
1838         viaparinfo->shared = viafbinfo->par + viafb_par_length;
1839         viaparinfo->vram_addr = 0;
1840         viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1841         viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1842         viaparinfo->lvds_setting_info2 =
1843                 &viaparinfo->shared->lvds_setting_info2;
1844         viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1845         viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1846
1847         if (viafb_dual_fb)
1848                 viafb_SAMM_ON = 1;
1849         parse_active_dev();
1850         parse_lcd_port();
1851         parse_dvi_port();
1852
1853         /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
1854         if (!viafb_SAMM_ON)
1855                 viafb_dual_fb = 0;
1856
1857         /* Set up I2C bus stuff */
1858         viafb_create_i2c_bus(viaparinfo);
1859
1860         viafb_init_chip_info();
1861         viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize);
1862         viaparinfo->fbmem_free = viaparinfo->memsize;
1863         viaparinfo->fbmem_used = 0;
1864         viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,
1865                 viaparinfo->memsize);
1866         if (!viafbinfo->screen_base) {
1867                 printk(KERN_INFO "ioremap failed\n");
1868                 return -ENOMEM;
1869         }
1870
1871         viafb_get_mmio_info(&viafbinfo->fix.mmio_start,
1872                 &viafbinfo->fix.mmio_len);
1873         viaparinfo->io_virt = ioremap_nocache(viafbinfo->fix.mmio_start,
1874                 viafbinfo->fix.mmio_len);
1875         if (!viaparinfo->io_virt) {
1876                 printk(KERN_WARNING "ioremap failed: hardware acceleration disabled\n");
1877                 viafb_accel = 0;
1878         }
1879
1880         viafbinfo->node = 0;
1881         viafbinfo->fbops = &viafb_ops;
1882         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1883
1884         viafbinfo->pseudo_palette = pseudo_pal;
1885         if (viafb_accel) {
1886                 viafb_init_accel(viaparinfo->shared);
1887                 viafb_init_2d_engine();
1888                 viafb_hw_cursor_init();
1889         }
1890
1891         if (viafb_second_size && (viafb_second_size < 8)) {
1892                 viafb_second_offset = viaparinfo->fbmem_free -
1893                         viafb_second_size * 1024 * 1024;
1894         } else {
1895                 viafb_second_size = 8;
1896                 viafb_second_offset = viaparinfo->fbmem_free -
1897                         viafb_second_size * 1024 * 1024;
1898         }
1899
1900         tmpm = viafb_mode;
1901         tmpc = strsep(&tmpm, "x");
1902         strict_strtoul(tmpc, 0, &default_xres);
1903         strict_strtoul(tmpm, 0, &default_yres);
1904
1905         vmode_index = viafb_get_mode_index(default_xres, default_yres);
1906         DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
1907
1908         if (viafb_SAMM_ON == 1) {
1909                 if (strcmp(viafb_mode, viafb_mode1)) {
1910                         tmpm_sec = viafb_mode1;
1911                         tmpc_sec = strsep(&tmpm_sec, "x");
1912                         strict_strtoul(tmpc_sec, 0,
1913                                 (unsigned long *)&viafb_second_xres);
1914                         strict_strtoul(tmpm_sec, 0,
1915                                 (unsigned long *)&viafb_second_yres);
1916                 } else {
1917                         viafb_second_xres = default_xres;
1918                         viafb_second_yres = default_yres;
1919                 }
1920                 if (0 == viafb_second_virtual_xres) {
1921                         switch (viafb_second_xres) {
1922                         case 1400:
1923                                 viafb_second_virtual_xres = 1408;
1924                                 break;
1925                         default:
1926                                 viafb_second_virtual_xres = viafb_second_xres;
1927                                 break;
1928                         }
1929                 }
1930                 if (0 == viafb_second_virtual_yres)
1931                         viafb_second_virtual_yres = viafb_second_yres;
1932         }
1933
1934         switch (viafb_bpp) {
1935         case 0 ... 8:
1936                 viafb_bpp = 8;
1937                 break;
1938         case 9 ... 16:
1939                 viafb_bpp = 16;
1940                 break;
1941         case 17 ... 32:
1942                 viafb_bpp = 32;
1943                 break;
1944         default:
1945                 viafb_bpp = 8;
1946         }
1947         default_var.xres = default_xres;
1948         default_var.yres = default_yres;
1949         switch (default_xres) {
1950         case 1400:
1951                 default_var.xres_virtual = 1408;
1952                 break;
1953         default:
1954                 default_var.xres_virtual = default_xres;
1955                 break;
1956         }
1957         default_var.yres_virtual = default_yres;
1958         default_var.bits_per_pixel = viafb_bpp;
1959         if (default_var.bits_per_pixel == 15)
1960                 default_var.bits_per_pixel = 16;
1961         default_var.pixclock =
1962             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1963         default_var.left_margin = (default_xres >> 3) & 0xf8;
1964         default_var.right_margin = 32;
1965         default_var.upper_margin = 16;
1966         default_var.lower_margin = 4;
1967         default_var.hsync_len = default_var.left_margin;
1968         default_var.vsync_len = 4;
1969         default_var.accel_flags = 0;
1970
1971         if (viafb_accel) {
1972                 viafbinfo->flags |=
1973                     (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
1974                      FBINFO_HWACCEL_IMAGEBLIT);
1975                 default_var.accel_flags |= FB_ACCELF_TEXT;
1976         } else
1977                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1978
1979         if (viafb_dual_fb) {
1980                 viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL);
1981                 if (!viafbinfo1) {
1982                         printk(KERN_ERR
1983                         "allocate the second framebuffer struct error\n");
1984                         framebuffer_release(viafbinfo);
1985                         return -ENOMEM;
1986                 }
1987                 viaparinfo1 = viafbinfo1->par;
1988                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1989                 viaparinfo1->vram_addr = viafb_second_offset;
1990                 viaparinfo1->memsize = viaparinfo->memsize -
1991                         viafb_second_offset;
1992                 viaparinfo->memsize = viafb_second_offset;
1993                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1994
1995                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1996                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1997                         viaparinfo1->fbmem_used;
1998                 viaparinfo->fbmem_free = viaparinfo->memsize;
1999                 viaparinfo->fbmem_used = 0;
2000                 if (viafb_accel) {
2001                         viaparinfo1->VQ_start = viaparinfo->VQ_start -
2002                                 viafb_second_offset;
2003                         viaparinfo1->VQ_end = viaparinfo->VQ_end -
2004                                 viafb_second_offset;
2005                 }
2006
2007                 viaparinfo->iga_path = IGA1;
2008                 viaparinfo1->iga_path = IGA2;
2009                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2010                 viafbinfo1->par = viaparinfo1;
2011                 viafbinfo1->screen_base = viafbinfo->screen_base +
2012                         viafb_second_offset;
2013
2014                 default_var.xres = viafb_second_xres;
2015                 default_var.yres = viafb_second_yres;
2016                 default_var.xres_virtual = viafb_second_virtual_xres;
2017                 default_var.yres_virtual = viafb_second_virtual_yres;
2018                 if (viafb_bpp1 != viafb_bpp)
2019                         viafb_bpp1 = viafb_bpp;
2020                 default_var.bits_per_pixel = viafb_bpp1;
2021                 default_var.pixclock =
2022                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2023                     viafb_refresh);
2024                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2025                 default_var.right_margin = 32;
2026                 default_var.upper_margin = 16;
2027                 default_var.lower_margin = 4;
2028                 default_var.hsync_len = default_var.left_margin;
2029                 default_var.vsync_len = 4;
2030
2031                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2032                 viafb_check_var(&default_var, viafbinfo1);
2033                 viafbinfo1->var = default_var;
2034                 viafb_update_fix(viafbinfo1);
2035                 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
2036                         &viafbinfo1->fix);
2037         }
2038
2039         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2040         viafb_check_var(&default_var, viafbinfo);
2041         viafbinfo->var = default_var;
2042         viafb_update_fix(viafbinfo);
2043         viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
2044                 &viafbinfo->fix);
2045         default_var.activate = FB_ACTIVATE_NOW;
2046         fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2047
2048         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2049             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2050                 if (register_framebuffer(viafbinfo1) < 0)
2051                         return -EINVAL;
2052         }
2053         if (register_framebuffer(viafbinfo) < 0)
2054                 return -EINVAL;
2055
2056         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2057                         || (viaparinfo->chip_info->gfx_chip_name !=
2058                         UNICHROME_CLE266))) {
2059                 if (register_framebuffer(viafbinfo1) < 0)
2060                         return -EINVAL;
2061         }
2062         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2063                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2064                   default_var.yres, default_var.bits_per_pixel);
2065
2066         viafb_init_proc(&viaparinfo->shared->proc_entry);
2067         viafb_init_dac(IGA2);
2068         return 0;
2069 }
2070
2071 static void __devexit via_pci_remove(void)
2072 {
2073         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2074         fb_dealloc_cmap(&viafbinfo->cmap);
2075         unregister_framebuffer(viafbinfo);
2076         if (viafb_dual_fb)
2077                 unregister_framebuffer(viafbinfo1);
2078         iounmap((void *)viafbinfo->screen_base);
2079         iounmap(viaparinfo->io_virt);
2080
2081         viafb_delete_i2c_buss(viaparinfo);
2082
2083         framebuffer_release(viafbinfo);
2084         if (viafb_dual_fb)
2085                 framebuffer_release(viafbinfo1);
2086
2087         viafb_remove_proc(viaparinfo->shared->proc_entry);
2088 }
2089
2090 #ifndef MODULE
2091 static int __init viafb_setup(char *options)
2092 {
2093         char *this_opt;
2094         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2095
2096         if (!options || !*options)
2097                 return 0;
2098
2099         while ((this_opt = strsep(&options, ",")) != NULL) {
2100                 if (!*this_opt)
2101                         continue;
2102
2103                 if (!strncmp(this_opt, "viafb_mode1=", 12))
2104                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2105                 else if (!strncmp(this_opt, "viafb_mode=", 11))
2106                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2107                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2108                         strict_strtoul(this_opt + 11, 0,
2109                                 (unsigned long *)&viafb_bpp1);
2110                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2111                         strict_strtoul(this_opt + 10, 0,
2112                                 (unsigned long *)&viafb_bpp);
2113                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2114                         strict_strtoul(this_opt + 15, 0,
2115                                 (unsigned long *)&viafb_refresh1);
2116                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2117                         strict_strtoul(this_opt + 14, 0,
2118                                 (unsigned long *)&viafb_refresh);
2119                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2120                         strict_strtoul(this_opt + 21, 0,
2121                                 (unsigned long *)&viafb_lcd_dsp_method);
2122                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2123                         strict_strtoul(this_opt + 19, 0,
2124                                 (unsigned long *)&viafb_lcd_panel_id);
2125                 else if (!strncmp(this_opt, "viafb_accel=", 12))
2126                         strict_strtoul(this_opt + 12, 0,
2127                                 (unsigned long *)&viafb_accel);
2128                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2129                         strict_strtoul(this_opt + 14, 0,
2130                                 (unsigned long *)&viafb_SAMM_ON);
2131                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2132                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2133                 else if (!strncmp(this_opt,
2134                         "viafb_display_hardware_layout=", 30))
2135                         strict_strtoul(this_opt + 30, 0,
2136                         (unsigned long *)&viafb_display_hardware_layout);
2137                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2138                         strict_strtoul(this_opt + 18, 0,
2139                                 (unsigned long *)&viafb_second_size);
2140                 else if (!strncmp(this_opt,
2141                         "viafb_platform_epia_dvi=", 24))
2142                         strict_strtoul(this_opt + 24, 0,
2143                                 (unsigned long *)&viafb_platform_epia_dvi);
2144                 else if (!strncmp(this_opt,
2145                         "viafb_device_lcd_dualedge=", 26))
2146                         strict_strtoul(this_opt + 26, 0,
2147                                 (unsigned long *)&viafb_device_lcd_dualedge);
2148                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2149                         strict_strtoul(this_opt + 16, 0,
2150                                 (unsigned long *)&viafb_bus_width);
2151                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2152                         strict_strtoul(this_opt + 15, 0,
2153                                 (unsigned long *)&viafb_lcd_mode);
2154                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2155                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2156                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2157                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2158         }
2159         return 0;
2160 }
2161 #endif
2162
2163 static int __init viafb_init(void)
2164 {
2165 #ifndef MODULE
2166         char *option = NULL;
2167         if (fb_get_options("viafb", &option))
2168                 return -ENODEV;
2169         viafb_setup(option);
2170 #endif
2171         printk(KERN_INFO
2172        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2173                VERSION_MAJOR, VERSION_MINOR);
2174         return via_pci_probe();
2175 }
2176
2177 static void __exit viafb_exit(void)
2178 {
2179         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2180         via_pci_remove();
2181 }
2182
2183 static struct fb_ops viafb_ops = {
2184         .owner = THIS_MODULE,
2185         .fb_open = viafb_open,
2186         .fb_release = viafb_release,
2187         .fb_check_var = viafb_check_var,
2188         .fb_set_par = viafb_set_par,
2189         .fb_setcolreg = viafb_setcolreg,
2190         .fb_pan_display = viafb_pan_display,
2191         .fb_blank = viafb_blank,
2192         .fb_fillrect = viafb_fillrect,
2193         .fb_copyarea = viafb_copyarea,
2194         .fb_imageblit = viafb_imageblit,
2195         .fb_cursor = viafb_cursor,
2196         .fb_ioctl = viafb_ioctl,
2197         .fb_sync = viafb_sync,
2198         .fb_setcmap = viafb_setcmap,
2199 };
2200
2201 module_init(viafb_init);
2202 module_exit(viafb_exit);
2203
2204 #ifdef MODULE
2205 module_param(viafb_memsize, int, 0);
2206
2207 module_param(viafb_mode, charp, 0);
2208 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2209
2210 module_param(viafb_mode1, charp, 0);
2211 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2212
2213 module_param(viafb_bpp, int, 0);
2214 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2215
2216 module_param(viafb_bpp1, int, 0);
2217 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2218
2219 module_param(viafb_refresh, int, 0);
2220 MODULE_PARM_DESC(viafb_refresh,
2221         "Set CRT viafb_refresh rate (default = 60)");
2222
2223 module_param(viafb_refresh1, int, 0);
2224 MODULE_PARM_DESC(viafb_refresh1,
2225         "Set CRT refresh rate (default = 60)");
2226
2227 module_param(viafb_lcd_panel_id, int, 0);
2228 MODULE_PARM_DESC(viafb_lcd_panel_id,
2229         "Set Flat Panel type(Default=1024x768)");
2230
2231 module_param(viafb_lcd_dsp_method, int, 0);
2232 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2233         "Set Flat Panel display scaling method.(Default=Expandsion)");
2234
2235 module_param(viafb_SAMM_ON, int, 0);
2236 MODULE_PARM_DESC(viafb_SAMM_ON,
2237         "Turn on/off flag of SAMM(Default=OFF)");
2238
2239 module_param(viafb_accel, int, 0);
2240 MODULE_PARM_DESC(viafb_accel,
2241         "Set 2D Hardware Acceleration.(Default = OFF)");
2242
2243 module_param(viafb_active_dev, charp, 0);
2244 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2245
2246 module_param(viafb_display_hardware_layout, int, 0);
2247 MODULE_PARM_DESC(viafb_display_hardware_layout,
2248         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2249
2250 module_param(viafb_second_size, int, 0);
2251 MODULE_PARM_DESC(viafb_second_size,
2252         "Set secondary device memory size");
2253
2254 module_param(viafb_dual_fb, int, 0);
2255 MODULE_PARM_DESC(viafb_dual_fb,
2256         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2257
2258 module_param(viafb_platform_epia_dvi, int, 0);
2259 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2260         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2261
2262 module_param(viafb_device_lcd_dualedge, int, 0);
2263 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2264         "Turn on/off flag of dual edge panel.(Default = OFF)");
2265
2266 module_param(viafb_bus_width, int, 0);
2267 MODULE_PARM_DESC(viafb_bus_width,
2268         "Set bus width of panel.(Default = 12)");
2269
2270 module_param(viafb_lcd_mode, int, 0);
2271 MODULE_PARM_DESC(viafb_lcd_mode,
2272         "Set Flat Panel mode(Default=OPENLDI)");
2273
2274 module_param(viafb_lcd_port, charp, 0);
2275 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2276
2277 module_param(viafb_dvi_port, charp, 0);
2278 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2279
2280 MODULE_LICENSE("GPL");
2281 #endif