drivers/video/via/viafbdev.c

   1 /*
   2  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   4
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public
   7  * License as published by the Free Software Foundation;
   8  * either version 2, or (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
  12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
  13  * A PARTICULAR PURPOSE.See the GNU General Public License
  14  * for more details.
  15
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <linux/module.h>
  23 #include <linux/seq_file.h>
  24 #include <linux/stat.h>
  25 #define _MASTER_FILE
  26
  27 #include "global.h"
  28
  29 static char *viafb_name = "Via";
  30 static u32 pseudo_pal[17];
  31
  32 /* video mode */
  33 static char *viafb_mode;
  34 static char *viafb_mode1;
  35 static int viafb_bpp = 32;
  36 static int viafb_bpp1 = 32;
  37
  38 static unsigned int viafb_second_offset;
  39 static int viafb_second_size;
  40
  41 static int viafb_accel = 1;
  42
  43 /* Added for specifying active devices.*/
  44 char *viafb_active_dev;
  45
  46 /*Added for specify lcd output port*/
  47 char *viafb_lcd_port = "";
  48 char *viafb_dvi_port = "";
  49
  50 static void viafb_set_device(struct device_t active_dev);
  51 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
  52                          struct fb_info *info);
  53 static void apply_second_mode_setting(struct fb_var_screeninfo
  54         *sec_var);
  55 static void retrieve_device_setting(struct viafb_ioctl_setting
  56         *setting_info);
  57 static int viafb_pan_display(struct fb_var_screeninfo *var,
  58         struct fb_info *info);
  59
  60 static struct fb_ops viafb_ops;
  61
  62
  63 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
  64 {
  65         var->grayscale = 0;
  66         var->red.msb_right = 0;
  67         var->green.msb_right = 0;
  68         var->blue.msb_right = 0;
  69         var->transp.offset = 0;
  70         var->transp.length = 0;
  71         var->transp.msb_right = 0;
  72         var->nonstd = 0;
  73         switch (depth) {
  74         case 8:
  75                 var->bits_per_pixel = 8;
  76                 var->red.offset = 0;
  77                 var->green.offset = 0;
  78                 var->blue.offset = 0;
  79                 var->red.length = 6;
  80                 var->green.length = 6;
  81                 var->blue.length = 6;
  82                 break;
  83         case 16:
  84                 var->bits_per_pixel = 16;
  85                 var->red.offset = 11;
  86                 var->green.offset = 5;
  87                 var->blue.offset = 0;
  88                 var->red.length = 5;
  89                 var->green.length = 6;
  90                 var->blue.length = 5;
  91                 break;
  92         case 24:
  93                 var->bits_per_pixel = 32;
  94                 var->red.offset = 16;
  95                 var->green.offset = 8;
  96                 var->blue.offset = 0;
  97                 var->red.length = 8;
  98                 var->green.length = 8;
  99                 var->blue.length = 8;
 100                 break;
 101         }
 102 }
 103
 104 static void viafb_update_fix(struct fb_info *info)
 105 {
 106         u32 bpp = info->var.bits_per_pixel;
 107
 108         info->fix.visual =
 109                 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
 110         info->fix.line_length =
 111                 ((info->var.xres_virtual + 7) & ~7) * bpp / 8;
 112 }
 113
 114 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
 115         struct viafb_par *viaparinfo)
 116 {
 117         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
 118         strcpy(fix->id, viafb_name);
 119
 120         fix->smem_start = viaparinfo->fbmem;
 121         fix->smem_len = viaparinfo->fbmem_free;
 122
 123         fix->type = FB_TYPE_PACKED_PIXELS;
 124         fix->type_aux = 0;
 125         fix->visual = FB_VISUAL_TRUECOLOR;
 126
 127         fix->xpanstep = fix->ywrapstep = 0;
 128         fix->ypanstep = 1;
 129
 130         /* Just tell the accel name */
 131         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
 132 }
 133 static int viafb_open(struct fb_info *info, int user)
 134 {
 135         DEBUG_MSG(KERN_INFO "viafb_open!\n");
 136         return 0;
 137 }
 138
 139 static int viafb_release(struct fb_info *info, int user)
 140 {
 141         DEBUG_MSG(KERN_INFO "viafb_release!\n");
 142         return 0;
 143 }
 144
 145 static int viafb_check_var(struct fb_var_screeninfo *var,
 146         struct fb_info *info)
 147 {
 148         int htotal, vtotal, depth;
 149         struct VideoModeTable *vmode_entry;
 150         struct viafb_par *ppar = info->par;
 151         u32 long_refresh;
 152
 153         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 154         /* Sanity check */
 155         /* HW neither support interlacte nor double-scaned mode */
 156         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 157                 return -EINVAL;
 158
 159         vmode_entry = viafb_get_mode(var->xres, var->yres);
 160         if (!vmode_entry) {
 161                 DEBUG_MSG(KERN_INFO
 162                           "viafb: Mode %dx%dx%d not supported!!\n",
 163                           var->xres, var->yres, var->bits_per_pixel);
 164                 return -EINVAL;
 165         }
 166
 167         depth = fb_get_color_depth(var, &info->fix);
 168         if (!depth)
 169                 depth = var->bits_per_pixel;
 170
 171         if (depth < 0 || depth > 32)
 172                 return -EINVAL;
 173         else if (!depth)
 174                 depth = 24;
 175         else if (depth <= 8)
 176                 depth = 8;
 177         else if (depth <= 16)
 178                 depth = 16;
 179         else
 180                 depth = 24;
 181
 182         viafb_fill_var_color_info(var, depth);
 183         if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
 184                 /*32 pixel alignment */
 185                 var->xres_virtual = (var->xres_virtual + 31) & ~31;
 186         if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
 187                 ppar->memsize)
 188                 return -EINVAL;
 189
 190         /* Based on var passed in to calculate the refresh,
 191          * because our driver use some modes special.
 192          */
 193         htotal = var->xres + var->left_margin +
 194         var->right_margin + var->hsync_len;
 195         vtotal = var->yres + var->upper_margin +
 196                 var->lower_margin + var->vsync_len;
 197         long_refresh = 1000000000UL / var->pixclock * 1000;
 198         long_refresh /= (htotal * vtotal);
 199
 200         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 201
 202         /* Adjust var according to our driver's own table */
 203         viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
 204         if (info->var.accel_flags & FB_ACCELF_TEXT &&
 205                 !ppar->shared->engine_mmio)
 206                 info->var.accel_flags = 0;
 207
 208         return 0;
 209 }
 210
 211 static int viafb_set_par(struct fb_info *info)
 212 {
 213         struct viafb_par *viapar = info->par;
 214         struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
 215         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 216
 217         viapar->depth = fb_get_color_depth(&info->var, &info->fix);
 218         viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
 219                 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
 220
 221         vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
 222         if (viafb_dual_fb) {
 223                 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
 224                         viafbinfo1->var.yres);
 225                 viafb_update_device_setting(viafbinfo1->var.xres,
 226                         viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
 227                         viafb_refresh1, 1);
 228         } else if (viafb_SAMM_ON == 1) {
 229                 DEBUG_MSG(KERN_INFO
 230                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 231                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 232                 vmode_entry1 = viafb_get_mode(viafb_second_xres,
 233                         viafb_second_yres);
 234
 235                 viafb_update_device_setting(viafb_second_xres,
 236                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 237         }
 238
 239         if (vmode_entry) {
 240                 viafb_update_fix(info);
 241                 if (viafb_dual_fb && viapar->iga_path == IGA2)
 242                         viafb_bpp1 = info->var.bits_per_pixel;
 243                 else
 244                         viafb_bpp = info->var.bits_per_pixel;
 245
 246                 if (info->var.accel_flags & FB_ACCELF_TEXT)
 247                         info->flags &= ~FBINFO_HWACCEL_DISABLED;
 248                 else
 249                         info->flags |= FBINFO_HWACCEL_DISABLED;
 250                 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
 251                         vmode_entry1, viafb_bpp1);
 252                 viafb_pan_display(&info->var, info);
 253         }
 254
 255         return 0;
 256 }
 257
 258 /* Set one color register */
 259 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 260 unsigned blue, unsigned transp, struct fb_info *info)
 261 {
 262         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 263         unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
 264         DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
 265         if (regno >= cmap_entries)
 266                 return 1;
 267         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 268                 /*
 269                  * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
 270                  */
 271                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 272                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 273         }
 274         switch (info->var.bits_per_pixel) {
 275         case 8:
 276                 outb(0x1A, 0x3C4);
 277                 sr1a = inb(0x3C5);
 278                 outb(0x1B, 0x3C4);
 279                 sr1b = inb(0x3C5);
 280                 outb(0x67, 0x3D4);
 281                 cr67 = inb(0x3D5);
 282                 outb(0x6A, 0x3D4);
 283                 cr6a = inb(0x3D5);
 284
 285                 /* Map the 3C6/7/8/9 to the IGA2 */
 286                 outb(0x1A, 0x3C4);
 287                 outb(sr1a | 0x01, 0x3C5);
 288                 /* Second Display Engine colck always on */
 289                 outb(0x1B, 0x3C4);
 290                 outb(sr1b | 0x80, 0x3C5);
 291                 /* Second Display Color Depth 8 */
 292                 outb(0x67, 0x3D4);
 293                 outb(cr67 & 0x3F, 0x3D5);
 294                 outb(0x6A, 0x3D4);
 295                 /* Second Display Channel Reset CR6A[6]) */
 296                 outb(cr6a & 0xBF, 0x3D5);
 297                 /* Second Display Channel Enable CR6A[7] */
 298                 outb(cr6a | 0x80, 0x3D5);
 299                 /* Second Display Channel stop reset) */
 300                 outb(cr6a | 0x40, 0x3D5);
 301
 302                 /* Bit mask of palette */
 303                 outb(0xFF, 0x3c6);
 304                 /* Write one register of IGA2 */
 305                 outb(regno, 0x3C8);
 306                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 307                         rev >= 15) {
 308                         shift = 8;
 309                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 310                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 311                 } else {
 312                         shift = 10;
 313                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 314                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 315                 }
 316                 outb(red >> shift, 0x3C9);
 317                 outb(green >> shift, 0x3C9);
 318                 outb(blue >> shift, 0x3C9);
 319
 320                 /* Map the 3C6/7/8/9 to the IGA1 */
 321                 outb(0x1A, 0x3C4);
 322                 outb(sr1a & 0xFE, 0x3C5);
 323                 /* Bit mask of palette */
 324                 outb(0xFF, 0x3c6);
 325                 /* Write one register of IGA1 */
 326                 outb(regno, 0x3C8);
 327                 outb(red >> shift, 0x3C9);
 328                 outb(green >> shift, 0x3C9);
 329                 outb(blue >> shift, 0x3C9);
 330
 331                 outb(0x1A, 0x3C4);
 332                 outb(sr1a, 0x3C5);
 333                 outb(0x1B, 0x3C4);
 334                 outb(sr1b, 0x3C5);
 335                 outb(0x67, 0x3D4);
 336                 outb(cr67, 0x3D5);
 337                 outb(0x6A, 0x3D4);
 338                 outb(cr6a, 0x3D5);
 339                 break;
 340         case 16:
 341                 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
 342                     ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
 343                 break;
 344         case 32:
 345                 ((u32 *) info->pseudo_palette)[regno] =
 346                     ((transp & 0xFF00) << 16) |
 347                     ((red & 0xFF00) << 8) |
 348                     ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
 349                 break;
 350         }
 351
 352         return 0;
 353
 354 }
 355
 356 /*CALLED BY: fb_set_cmap */
 357 /*           fb_set_var, pass 256 colors */
 358 /*CALLED BY: fb_set_cmap */
 359 /*           fbcon_set_palette, pass 16 colors */
 360 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 361 {
 362         u32 len = cmap->len;
 363         u32 i;
 364         u16 *pred = cmap->red;
 365         u16 *pgreen = cmap->green;
 366         u16 *pblue = cmap->blue;
 367         u16 *ptransp = cmap->transp;
 368         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 369         if (len > 256)
 370                 return 1;
 371         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 372                 /*
 373                  * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
 374                  * rev.
 375                  */
 376                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 377                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 378         }
 379         switch (info->var.bits_per_pixel) {
 380         case 8:
 381                 outb(0x1A, 0x3C4);
 382                 sr1a = inb(0x3C5);
 383                 outb(0x1B, 0x3C4);
 384                 sr1b = inb(0x3C5);
 385                 outb(0x67, 0x3D4);
 386                 cr67 = inb(0x3D5);
 387                 outb(0x6A, 0x3D4);
 388                 cr6a = inb(0x3D5);
 389                 /* Map the 3C6/7/8/9 to the IGA2 */
 390                 outb(0x1A, 0x3C4);
 391                 outb(sr1a | 0x01, 0x3C5);
 392                 outb(0x1B, 0x3C4);
 393                 /* Second Display Engine colck always on */
 394                 outb(sr1b | 0x80, 0x3C5);
 395                 outb(0x67, 0x3D4);
 396                 /* Second Display Color Depth 8 */
 397                 outb(cr67 & 0x3F, 0x3D5);
 398                 outb(0x6A, 0x3D4);
 399                 /* Second Display Channel Reset CR6A[6]) */
 400                 outb(cr6a & 0xBF, 0x3D5);
 401                 /* Second Display Channel Enable CR6A[7] */
 402                 outb(cr6a | 0x80, 0x3D5);
 403                 /* Second Display Channel stop reset) */
 404                 outb(cr6a | 0xC0, 0x3D5);
 405
 406                 /* Bit mask of palette */
 407                 outb(0xFF, 0x3c6);
 408                 outb(0x00, 0x3C8);
 409                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 410                         rev >= 15) {
 411                         shift = 8;
 412                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 413                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 414                 } else {
 415                         shift = 10;
 416                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 417                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 418                 }
 419                 for (i = 0; i < len; i++) {
 420                         outb((*(pred + i)) >> shift, 0x3C9);
 421                         outb((*(pgreen + i)) >> shift, 0x3C9);
 422                         outb((*(pblue + i)) >> shift, 0x3C9);
 423                 }
 424
 425                 outb(0x1A, 0x3C4);
 426                 /* Map the 3C6/7/8/9 to the IGA1 */
 427                 outb(sr1a & 0xFE, 0x3C5);
 428                 /* Bit mask of palette */
 429                 outb(0xFF, 0x3c6);
 430                 outb(0x00, 0x3C8);
 431                 for (i = 0; i < len; i++) {
 432                         outb((*(pred + i)) >> shift, 0x3C9);
 433                         outb((*(pgreen + i)) >> shift, 0x3C9);
 434                         outb((*(pblue + i)) >> shift, 0x3C9);
 435                 }
 436
 437                 outb(0x1A, 0x3C4);
 438                 outb(sr1a, 0x3C5);
 439                 outb(0x1B, 0x3C4);
 440                 outb(sr1b, 0x3C5);
 441                 outb(0x67, 0x3D4);
 442                 outb(cr67, 0x3D5);
 443                 outb(0x6A, 0x3D4);
 444                 outb(cr6a, 0x3D5);
 445                 break;
 446         case 16:
 447                 if (len > 17)
 448                         return 0;       /* Because static u32 pseudo_pal[17]; */
 449                 for (i = 0; i < len; i++)
 450                         ((u32 *) info->pseudo_palette)[i] =
 451                             (*(pred + i) & 0xF800) |
 452                             ((*(pgreen + i) & 0xFC00) >> 5) |
 453                             ((*(pblue + i) & 0xF800) >> 11);
 454                 break;
 455         case 32:
 456                 if (len > 17)
 457                         return 0;
 458                 if (ptransp) {
 459                         for (i = 0; i < len; i++)
 460                                 ((u32 *) info->pseudo_palette)[i] =
 461                                     ((*(ptransp + i) & 0xFF00) << 16) |
 462                                     ((*(pred + i) & 0xFF00) << 8) |
 463                                     ((*(pgreen + i) & 0xFF00)) |
 464                                     ((*(pblue + i) & 0xFF00) >> 8);
 465                 } else {
 466                         for (i = 0; i < len; i++)
 467                                 ((u32 *) info->pseudo_palette)[i] =
 468                                     0x00000000 |
 469                                     ((*(pred + i) & 0xFF00) << 8) |
 470                                     ((*(pgreen + i) & 0xFF00)) |
 471                                     ((*(pblue + i) & 0xFF00) >> 8);
 472                 }
 473                 break;
 474         }
 475         return 0;
 476 }
 477
 478 static int viafb_pan_display(struct fb_var_screeninfo *var,
 479         struct fb_info *info)
 480 {
 481         struct viafb_par *viapar = info->par;
 482         u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
 483                 * (var->bits_per_pixel / 8) + viapar->vram_addr;
 484
 485         DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
 486         if (!viafb_dual_fb) {
 487                 viafb_set_primary_address(vram_addr);
 488                 viafb_set_secondary_address(vram_addr);
 489         } else if (viapar->iga_path == IGA1)
 490                 viafb_set_primary_address(vram_addr);
 491         else
 492                 viafb_set_secondary_address(vram_addr);
 493
 494         return 0;
 495 }
 496
 497 static int viafb_blank(int blank_mode, struct fb_info *info)
 498 {
 499         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 500         /* clear DPMS setting */
 501
 502         switch (blank_mode) {
 503         case FB_BLANK_UNBLANK:
 504                 /* Screen: On, HSync: On, VSync: On */
 505                 /* control CRT monitor power management */
 506                 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
 507                 break;
 508         case FB_BLANK_HSYNC_SUSPEND:
 509                 /* Screen: Off, HSync: Off, VSync: On */
 510                 /* control CRT monitor power management */
 511                 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
 512                 break;
 513         case FB_BLANK_VSYNC_SUSPEND:
 514                 /* Screen: Off, HSync: On, VSync: Off */
 515                 /* control CRT monitor power management */
 516                 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
 517                 break;
 518         case FB_BLANK_POWERDOWN:
 519                 /* Screen: Off, HSync: Off, VSync: Off */
 520                 /* control CRT monitor power management */
 521                 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
 522                 break;
 523         }
 524
 525         return 0;
 526 }
 527
 528 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 529 {
 530         union {
 531                 struct viafb_ioctl_mode viamode;
 532                 struct viafb_ioctl_samm viasamm;
 533                 struct viafb_driver_version driver_version;
 534                 struct fb_var_screeninfo sec_var;
 535                 struct _panel_size_pos_info panel_pos_size_para;
 536                 struct viafb_ioctl_setting viafb_setting;
 537                 struct device_t active_dev;
 538         } u;
 539         u32 state_info = 0;
 540         u32 *viafb_gamma_table;
 541         char driver_name[] = "viafb";
 542
 543         u32 __user *argp = (u32 __user *) arg;
 544         u32 gpu32;
 545
 546         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 547         printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
 548         memset(&u, 0, sizeof(u));
 549
 550         switch (cmd) {
 551         case VIAFB_GET_CHIP_INFO:
 552                 if (copy_to_user(argp, viaparinfo->chip_info,
 553                                 sizeof(struct chip_information)))
 554                         return -EFAULT;
 555                 break;
 556         case VIAFB_GET_INFO_SIZE:
 557                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 558         case VIAFB_GET_INFO:
 559                 return viafb_ioctl_get_viafb_info(arg);
 560         case VIAFB_HOTPLUG:
 561                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 562                                               info->var.yres,
 563                                               info->var.bits_per_pixel), argp);
 564         case VIAFB_SET_HOTPLUG_FLAG:
 565                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 566                         return -EFAULT;
 567                 viafb_hotplug = (gpu32) ? 1 : 0;
 568                 break;
 569         case VIAFB_GET_RESOLUTION:
 570                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 571                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 572                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 573                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 574                 if (viafb_SAMM_ON == 1) {
 575                         u.viamode.xres_sec = viafb_second_xres;
 576                         u.viamode.yres_sec = viafb_second_yres;
 577                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 578                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 579                         u.viamode.refresh_sec = viafb_refresh1;
 580                         u.viamode.bpp_sec = viafb_bpp1;
 581                 } else {
 582                         u.viamode.xres_sec = 0;
 583                         u.viamode.yres_sec = 0;
 584                         u.viamode.virtual_xres_sec = 0;
 585                         u.viamode.virtual_yres_sec = 0;
 586                         u.viamode.refresh_sec = 0;
 587                         u.viamode.bpp_sec = 0;
 588                 }
 589                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 590                         return -EFAULT;
 591                 break;
 592         case VIAFB_GET_SAMM_INFO:
 593                 u.viasamm.samm_status = viafb_SAMM_ON;
 594
 595                 if (viafb_SAMM_ON == 1) {
 596                         if (viafb_dual_fb) {
 597                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 598                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 599                         } else {
 600                                 if (viafb_second_size) {
 601                                         u.viasamm.size_prim =
 602                                             viaparinfo->fbmem_free -
 603                                             viafb_second_size * 1024 * 1024;
 604                                         u.viasamm.size_sec =
 605                                             viafb_second_size * 1024 * 1024;
 606                                 } else {
 607                                         u.viasamm.size_prim =
 608                                             viaparinfo->fbmem_free >> 1;
 609                                         u.viasamm.size_sec =
 610                                             (viaparinfo->fbmem_free >> 1);
 611                                 }
 612                         }
 613                         u.viasamm.mem_base = viaparinfo->fbmem;
 614                         u.viasamm.offset_sec = viafb_second_offset;
 615                 } else {
 616                         u.viasamm.size_prim =
 617                             viaparinfo->memsize - viaparinfo->fbmem_used;
 618                         u.viasamm.size_sec = 0;
 619                         u.viasamm.mem_base = viaparinfo->fbmem;
 620                         u.viasamm.offset_sec = 0;
 621                 }
 622
 623                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 624                         return -EFAULT;
 625
 626                 break;
 627         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 628                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 629                         return -EFAULT;
 630                 if (gpu32 & CRT_Device)
 631                         viafb_crt_enable();
 632                 if (gpu32 & DVI_Device)
 633                         viafb_dvi_enable();
 634                 if (gpu32 & LCD_Device)
 635                         viafb_lcd_enable();
 636                 break;
 637         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 638                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 639                         return -EFAULT;
 640                 if (gpu32 & CRT_Device)
 641                         viafb_crt_disable();
 642                 if (gpu32 & DVI_Device)
 643                         viafb_dvi_disable();
 644                 if (gpu32 & LCD_Device)
 645                         viafb_lcd_disable();
 646                 break;
 647         case VIAFB_SET_DEVICE:
 648                 if (copy_from_user(&u.active_dev, (void *)argp,
 649                         sizeof(u.active_dev)))
 650                         return -EFAULT;
 651                 viafb_set_device(u.active_dev);
 652                 viafb_set_par(info);
 653                 break;
 654         case VIAFB_GET_DEVICE:
 655                 u.active_dev.crt = viafb_CRT_ON;
 656                 u.active_dev.dvi = viafb_DVI_ON;
 657                 u.active_dev.lcd = viafb_LCD_ON;
 658                 u.active_dev.samm = viafb_SAMM_ON;
 659                 u.active_dev.primary_dev = viafb_primary_dev;
 660
 661                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 662                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 663                 u.active_dev.lcd_mode = viafb_lcd_mode;
 664
 665                 u.active_dev.xres = viafb_hotplug_Xres;
 666                 u.active_dev.yres = viafb_hotplug_Yres;
 667
 668                 u.active_dev.xres1 = viafb_second_xres;
 669                 u.active_dev.yres1 = viafb_second_yres;
 670
 671                 u.active_dev.bpp = viafb_bpp;
 672                 u.active_dev.bpp1 = viafb_bpp1;
 673                 u.active_dev.refresh = viafb_refresh;
 674                 u.active_dev.refresh1 = viafb_refresh1;
 675
 676                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 677                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 678                 u.active_dev.bus_width = viafb_bus_width;
 679
 680                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 681                         return -EFAULT;
 682                 break;
 683
 684         case VIAFB_GET_DRIVER_VERSION:
 685                 u.driver_version.iMajorNum = VERSION_MAJOR;
 686                 u.driver_version.iKernelNum = VERSION_KERNEL;
 687                 u.driver_version.iOSNum = VERSION_OS;
 688                 u.driver_version.iMinorNum = VERSION_MINOR;
 689
 690                 if (copy_to_user(argp, &u.driver_version,
 691                         sizeof(u.driver_version)))
 692                         return -EFAULT;
 693
 694                 break;
 695
 696         case VIAFB_SET_DEVICE_INFO:
 697                 if (copy_from_user(&u.viafb_setting,
 698                         argp, sizeof(u.viafb_setting)))
 699                         return -EFAULT;
 700                 if (apply_device_setting(u.viafb_setting, info) < 0)
 701                         return -EINVAL;
 702
 703                 break;
 704
 705         case VIAFB_SET_SECOND_MODE:
 706                 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
 707                         return -EFAULT;
 708                 apply_second_mode_setting(&u.sec_var);
 709                 break;
 710
 711         case VIAFB_GET_DEVICE_INFO:
 712
 713                 retrieve_device_setting(&u.viafb_setting);
 714
 715                 if (copy_to_user(argp, &u.viafb_setting,
 716                                  sizeof(u.viafb_setting)))
 717                         return -EFAULT;
 718
 719                 break;
 720
 721         case VIAFB_GET_DEVICE_SUPPORT:
 722                 viafb_get_device_support_state(&state_info);
 723                 if (put_user(state_info, argp))
 724                         return -EFAULT;
 725                 break;
 726
 727         case VIAFB_GET_DEVICE_CONNECT:
 728                 viafb_get_device_connect_state(&state_info);
 729                 if (put_user(state_info, argp))
 730                         return -EFAULT;
 731                 break;
 732
 733         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 734                 state_info =
 735                     viafb_lcd_get_support_expand_state(info->var.xres,
 736                                                  info->var.yres);
 737                 if (put_user(state_info, argp))
 738                         return -EFAULT;
 739                 break;
 740
 741         case VIAFB_GET_DRIVER_NAME:
 742                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 743                         return -EFAULT;
 744                 break;
 745
 746         case VIAFB_SET_GAMMA_LUT:
 747                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 748                 if (!viafb_gamma_table)
 749                         return -ENOMEM;
 750                 if (copy_from_user(viafb_gamma_table, argp,
 751                                 256 * sizeof(u32))) {
 752                         kfree(viafb_gamma_table);
 753                         return -EFAULT;
 754                 }
 755                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 756                 kfree(viafb_gamma_table);
 757                 break;
 758
 759         case VIAFB_GET_GAMMA_LUT:
 760                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 761                 if (!viafb_gamma_table)
 762                         return -ENOMEM;
 763                 viafb_get_gamma_table(viafb_gamma_table);
 764                 if (copy_to_user(argp, viafb_gamma_table,
 765                         256 * sizeof(u32))) {
 766                         kfree(viafb_gamma_table);
 767                         return -EFAULT;
 768                 }
 769                 kfree(viafb_gamma_table);
 770                 break;
 771
 772         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 773                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 774                 if (put_user(state_info, argp))
 775                         return -EFAULT;
 776                 break;
 777         case VIAFB_SYNC_SURFACE:
 778                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 779                 break;
 780         case VIAFB_GET_DRIVER_CAPS:
 781                 break;
 782
 783         case VIAFB_GET_PANEL_MAX_SIZE:
 784                 if (copy_from_user(&u.panel_pos_size_para, argp,
 785                                    sizeof(u.panel_pos_size_para)))
 786                         return -EFAULT;
 787                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 788                 if (copy_to_user(argp, &u.panel_pos_size_para,
 789                      sizeof(u.panel_pos_size_para)))
 790                         return -EFAULT;
 791                 break;
 792         case VIAFB_GET_PANEL_MAX_POSITION:
 793                 if (copy_from_user(&u.panel_pos_size_para, argp,
 794                                    sizeof(u.panel_pos_size_para)))
 795                         return -EFAULT;
 796                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 797                 if (copy_to_user(argp, &u.panel_pos_size_para,
 798                                  sizeof(u.panel_pos_size_para)))
 799                         return -EFAULT;
 800                 break;
 801
 802         case VIAFB_GET_PANEL_POSITION:
 803                 if (copy_from_user(&u.panel_pos_size_para, argp,
 804                                    sizeof(u.panel_pos_size_para)))
 805                         return -EFAULT;
 806                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 807                 if (copy_to_user(argp, &u.panel_pos_size_para,
 808                                  sizeof(u.panel_pos_size_para)))
 809                         return -EFAULT;
 810                 break;
 811         case VIAFB_GET_PANEL_SIZE:
 812                 if (copy_from_user(&u.panel_pos_size_para, argp,
 813                                    sizeof(u.panel_pos_size_para)))
 814                         return -EFAULT;
 815                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 816                 if (copy_to_user(argp, &u.panel_pos_size_para,
 817                                  sizeof(u.panel_pos_size_para)))
 818                         return -EFAULT;
 819                 break;
 820
 821         case VIAFB_SET_PANEL_POSITION:
 822                 if (copy_from_user(&u.panel_pos_size_para, argp,
 823                                    sizeof(u.panel_pos_size_para)))
 824                         return -EFAULT;
 825                 break;
 826         case VIAFB_SET_PANEL_SIZE:
 827                 if (copy_from_user(&u.panel_pos_size_para, argp,
 828                                    sizeof(u.panel_pos_size_para)))
 829                         return -EFAULT;
 830                 break;
 831
 832         default:
 833                 return -EINVAL;
 834         }
 835
 836         return 0;
 837 }
 838
 839 static void viafb_fillrect(struct fb_info *info,
 840         const struct fb_fillrect *rect)
 841 {
 842         struct viafb_par *viapar = info->par;
 843         struct viafb_shared *shared = viapar->shared;
 844         u32 fg_color;
 845         u8 rop;
 846
 847         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 848                 cfb_fillrect(info, rect);
 849                 return;
 850         }
 851
 852         if (!rect->width || !rect->height)
 853                 return;
 854
 855         if (info->fix.visual == FB_VISUAL_TRUECOLOR)
 856                 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
 857         else
 858                 fg_color = rect->color;
 859
 860         if (rect->rop == ROP_XOR)
 861                 rop = 0x5A;
 862         else
 863                 rop = 0xF0;
 864
 865         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
 866         if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_FILL,
 867                 rect->width, rect->height, info->var.bits_per_pixel,
 868                 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
 869                 NULL, 0, 0, 0, 0, fg_color, 0, rop))
 870                 cfb_fillrect(info, rect);
 871 }
 872
 873 static void viafb_copyarea(struct fb_info *info,
 874         const struct fb_copyarea *area)
 875 {
 876         struct viafb_par *viapar = info->par;
 877         struct viafb_shared *shared = viapar->shared;
 878
 879         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 880                 cfb_copyarea(info, area);
 881                 return;
 882         }
 883
 884         if (!area->width || !area->height)
 885                 return;
 886
 887         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
 888         if (shared->hw_bitblt(shared->engine_mmio, VIA_BITBLT_COLOR,
 889                 area->width, area->height, info->var.bits_per_pixel,
 890                 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
 891                 NULL, viapar->vram_addr, info->fix.line_length,
 892                 area->sx, area->sy, 0, 0, 0))
 893                 cfb_copyarea(info, area);
 894 }
 895
 896 static void viafb_imageblit(struct fb_info *info,
 897         const struct fb_image *image)
 898 {
 899         struct viafb_par *viapar = info->par;
 900         struct viafb_shared *shared = viapar->shared;
 901         u32 fg_color = 0, bg_color = 0;
 902         u8 op;
 903
 904         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
 905                 (image->depth != 1 && image->depth != viapar->depth)) {
 906                 cfb_imageblit(info, image);
 907                 return;
 908         }
 909
 910         if (image->depth == 1) {
 911                 op = VIA_BITBLT_MONO;
 912                 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
 913                         fg_color =
 914                                 ((u32 *)info->pseudo_palette)[image->fg_color];
 915                         bg_color =
 916                                 ((u32 *)info->pseudo_palette)[image->bg_color];
 917                 } else {
 918                         fg_color = image->fg_color;
 919                         bg_color = image->bg_color;
 920                 }
 921         } else
 922                 op = VIA_BITBLT_COLOR;
 923
 924         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
 925         if (shared->hw_bitblt(shared->engine_mmio, op,
 926                 image->width, image->height, info->var.bits_per_pixel,
 927                 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
 928                 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
 929                 cfb_imageblit(info, image);
 930 }
 931
 932 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 933 {
 934         struct viafb_par *viapar = info->par;
 935         void __iomem *engine = viapar->shared->engine_mmio;
 936         u32 temp, xx, yy, bg_color = 0, fg_color = 0,
 937                 chip_name = viapar->shared->chip_info.gfx_chip_name;
 938         int i, j = 0, cur_size = 64;
 939
 940         if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
 941                 return -ENODEV;
 942
 943         /* LCD ouput does not support hw cursors (at least on VN896) */
 944         if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
 945                 viafb_LCD_ON)
 946                 return -ENODEV;
 947
 948         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 949
 950         if (cursor->set & FB_CUR_SETHOT) {
 951                 temp = (cursor->hot.x << 16) + cursor->hot.y;
 952                 writel(temp, engine + VIA_REG_CURSOR_ORG);
 953         }
 954
 955         if (cursor->set & FB_CUR_SETPOS) {
 956                 yy = cursor->image.dy - info->var.yoffset;
 957                 xx = cursor->image.dx - info->var.xoffset;
 958                 temp = yy & 0xFFFF;
 959                 temp |= (xx << 16);
 960                 writel(temp, engine + VIA_REG_CURSOR_POS);
 961         }
 962
 963         if (cursor->image.width <= 32 && cursor->image.height <= 32)
 964                 cur_size = 32;
 965         else if (cursor->image.width <= 64 && cursor->image.height <= 64)
 966                 cur_size = 64;
 967         else {
 968                 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
 969                         "%dx%d", cursor->image.width, cursor->image.height);
 970                 return -ENXIO;
 971         }
 972
 973         if (cursor->set & FB_CUR_SETSIZE) {
 974                 temp = readl(engine + VIA_REG_CURSOR_MODE);
 975                 if (cur_size == 32)
 976                         temp |= 0x2;
 977                 else
 978                         temp &= ~0x2;
 979
 980                 writel(temp, engine + VIA_REG_CURSOR_MODE);
 981         }
 982
 983         if (cursor->set & FB_CUR_SETCMAP) {
 984                 fg_color = cursor->image.fg_color;
 985                 bg_color = cursor->image.bg_color;
 986                 if (chip_name == UNICHROME_CX700 ||
 987                         chip_name == UNICHROME_VX800 ||
 988                         chip_name == UNICHROME_VX855) {
 989                         fg_color =
 990                                 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
 991                                 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
 992                                 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
 993                         bg_color =
 994                                 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
 995                                 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
 996                                 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
 997                 } else {
 998                         fg_color =
 999                                 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
1000                                 (info->cmap.green[fg_color] & 0xFF00) |
1001                                 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
1002                         bg_color =
1003                                 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
1004                                 (info->cmap.green[bg_color] & 0xFF00) |
1005                                 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
1006                 }
1007
1008                 writel(bg_color, engine + VIA_REG_CURSOR_BG);
1009                 writel(fg_color, engine + VIA_REG_CURSOR_FG);
1010         }
1011
1012         if (cursor->set & FB_CUR_SETSHAPE) {
1013                 struct {
1014                         u8 data[CURSOR_SIZE];
1015                         u32 bak[CURSOR_SIZE / 4];
1016                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
1017                 int size = ((cursor->image.width + 7) >> 3) *
1018                         cursor->image.height;
1019
1020                 if (!cr_data)
1021                         return -ENOMEM;
1022
1023                 if (cur_size == 32) {
1024                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
1025                                 cr_data->bak[i] = 0x0;
1026                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
1027                                 i += 1;
1028                         }
1029                 } else {
1030                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
1031                                 cr_data->bak[i] = 0x0;
1032                                 cr_data->bak[i + 1] = 0x0;
1033                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
1034                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
1035                                 i += 3;
1036                         }
1037                 }
1038
1039                 switch (cursor->rop) {
1040                 case ROP_XOR:
1041                         for (i = 0; i < size; i++)
1042                                 cr_data->data[i] = cursor->mask[i];
1043                         break;
1044                 case ROP_COPY:
1045
1046                         for (i = 0; i < size; i++)
1047                                 cr_data->data[i] = cursor->mask[i];
1048                         break;
1049                 default:
1050                         break;
1051                 }
1052
1053                 if (cur_size == 32) {
1054                         for (i = 0; i < size; i++) {
1055                                 cr_data->bak[j] = (u32) cr_data->data[i];
1056                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
1057                                 j += 2;
1058                         }
1059                 } else {
1060                         for (i = 0; i < size; i++) {
1061                                 cr_data->bak[j] = (u32) cr_data->data[i];
1062                                 cr_data->bak[j + 1] = 0x0;
1063                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
1064                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
1065                                 j += 4;
1066                         }
1067                 }
1068
1069                 memcpy_toio(viafbinfo->screen_base + viapar->shared->
1070                         cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
1071                 kfree(cr_data);
1072         }
1073
1074         if (cursor->enable)
1075                 viafb_show_hw_cursor(info, HW_Cursor_ON);
1076
1077         return 0;
1078 }
1079
1080 static int viafb_sync(struct fb_info *info)
1081 {
1082         if (!(info->flags & FBINFO_HWACCEL_DISABLED))
1083                 viafb_wait_engine_idle(info);
1084         return 0;
1085 }
1086
1087 static void check_available_device_to_enable(int device_id)
1088 {
1089         int device_num = 0;
1090
1091         /* Initialize: */
1092         viafb_CRT_ON = STATE_OFF;
1093         viafb_DVI_ON = STATE_OFF;
1094         viafb_LCD_ON = STATE_OFF;
1095         viafb_LCD2_ON = STATE_OFF;
1096         viafb_DeviceStatus = None_Device;
1097
1098         if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1099                 viafb_CRT_ON = STATE_ON;
1100                 device_num++;
1101                 viafb_DeviceStatus |= CRT_Device;
1102         }
1103
1104         if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1105                 viafb_DVI_ON = STATE_ON;
1106                 device_num++;
1107                 viafb_DeviceStatus |= DVI_Device;
1108         }
1109
1110         if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1111                 viafb_LCD_ON = STATE_ON;
1112                 device_num++;
1113                 viafb_DeviceStatus |= LCD_Device;
1114         }
1115
1116         if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1117                 viafb_LCD2_ON = STATE_ON;
1118                 device_num++;
1119                 viafb_DeviceStatus |= LCD2_Device;
1120         }
1121
1122         if (viafb_DeviceStatus == None_Device) {
1123                 /* Use CRT as default active device: */
1124                 viafb_CRT_ON = STATE_ON;
1125                 viafb_DeviceStatus = CRT_Device;
1126         }
1127         DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1128 }
1129
1130 static void viafb_set_device(struct device_t active_dev)
1131 {
1132         /* Check available device to enable: */
1133         int device_id = None_Device;
1134         if (active_dev.crt)
1135                 device_id |= CRT_Device;
1136         if (active_dev.dvi)
1137                 device_id |= DVI_Device;
1138         if (active_dev.lcd)
1139                 device_id |= LCD_Device;
1140
1141         check_available_device_to_enable(device_id);
1142
1143         /* Check property of LCD: */
1144         if (viafb_LCD_ON) {
1145                 if (active_dev.lcd_dsp_cent) {
1146                         viaparinfo->lvds_setting_info->display_method =
1147                                 viafb_lcd_dsp_method = LCD_CENTERING;
1148                 } else {
1149                         viaparinfo->lvds_setting_info->display_method =
1150                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1151                 }
1152
1153                 if (active_dev.lcd_mode == LCD_SPWG) {
1154                         viaparinfo->lvds_setting_info->lcd_mode =
1155                                 viafb_lcd_mode = LCD_SPWG;
1156                 } else {
1157                         viaparinfo->lvds_setting_info->lcd_mode =
1158                                 viafb_lcd_mode = LCD_OPENLDI;
1159                 }
1160
1161                 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1162                         viafb_lcd_panel_id = active_dev.lcd_panel_id;
1163                         viafb_init_lcd_size();
1164                 }
1165         }
1166
1167         /* Check property of mode: */
1168         if (!active_dev.xres1)
1169                 viafb_second_xres = 640;
1170         else
1171                 viafb_second_xres = active_dev.xres1;
1172         if (!active_dev.yres1)
1173                 viafb_second_yres = 480;
1174         else
1175                 viafb_second_yres = active_dev.yres1;
1176         if (active_dev.bpp != 0)
1177                 viafb_bpp = active_dev.bpp;
1178         if (active_dev.bpp1 != 0)
1179                 viafb_bpp1 = active_dev.bpp1;
1180         if (active_dev.refresh != 0)
1181                 viafb_refresh = active_dev.refresh;
1182         if (active_dev.refresh1 != 0)
1183                 viafb_refresh1 = active_dev.refresh1;
1184         if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1185                 viafb_SAMM_ON = active_dev.samm;
1186         viafb_primary_dev = active_dev.primary_dev;
1187
1188         viafb_set_primary_address(0);
1189         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1190         viafb_set_iga_path();
1191 }
1192
1193 static int get_primary_device(void)
1194 {
1195         int primary_device = 0;
1196         /* Rule: device on iga1 path are the primary device. */
1197         if (viafb_SAMM_ON) {
1198                 if (viafb_CRT_ON) {
1199                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1200                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1201                                         viaparinfo->
1202                                         crt_setting_info->iga_path);
1203                                 primary_device = CRT_Device;
1204                         }
1205                 }
1206                 if (viafb_DVI_ON) {
1207                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1208                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1209                                         viaparinfo->
1210                                         tmds_setting_info->iga_path);
1211                                 primary_device = DVI_Device;
1212                         }
1213                 }
1214                 if (viafb_LCD_ON) {
1215                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1216                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1217                                         viaparinfo->
1218                                         lvds_setting_info->iga_path);
1219                                 primary_device = LCD_Device;
1220                         }
1221                 }
1222                 if (viafb_LCD2_ON) {
1223                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1224                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1225                                         viaparinfo->
1226                                         lvds_setting_info2->iga_path);
1227                                 primary_device = LCD2_Device;
1228                         }
1229                 }
1230         }
1231         return primary_device;
1232 }
1233
1234 static void apply_second_mode_setting(struct fb_var_screeninfo
1235         *sec_var)
1236 {
1237         u32 htotal, vtotal, long_refresh;
1238
1239         htotal = sec_var->xres + sec_var->left_margin +
1240                 sec_var->right_margin + sec_var->hsync_len;
1241         vtotal = sec_var->yres + sec_var->upper_margin +
1242                 sec_var->lower_margin + sec_var->vsync_len;
1243         if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1244                 /*Is 32 bytes alignment? */
1245                 /*32 pixel alignment */
1246                 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1247         }
1248
1249         htotal = sec_var->xres + sec_var->left_margin +
1250                 sec_var->right_margin + sec_var->hsync_len;
1251         vtotal = sec_var->yres + sec_var->upper_margin +
1252                 sec_var->lower_margin + sec_var->vsync_len;
1253         long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1254         long_refresh /= (htotal * vtotal);
1255
1256         viafb_second_xres = sec_var->xres;
1257         viafb_second_yres = sec_var->yres;
1258         viafb_second_virtual_xres = sec_var->xres_virtual;
1259         viafb_second_virtual_yres = sec_var->yres_virtual;
1260         viafb_bpp1 = sec_var->bits_per_pixel;
1261         viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1262                 long_refresh);
1263 }
1264
1265 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1266         struct fb_info *info)
1267 {
1268         int need_set_mode = 0;
1269         DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1270
1271         if (setting_info.device_flag) {
1272                 need_set_mode = 1;
1273                 check_available_device_to_enable(setting_info.device_status);
1274         }
1275
1276         /* Unlock LCD's operation according to LCD flag
1277            and check if the setting value is valid. */
1278         /* If the value is valid, apply the new setting value to the device. */
1279         if (viafb_LCD_ON) {
1280                 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1281                         need_set_mode = 1;
1282                         if (setting_info.lcd_attributes.display_center) {
1283                                 /* Centering */
1284                                 viaparinfo->lvds_setting_info->display_method =
1285                                     LCD_CENTERING;
1286                                 viafb_lcd_dsp_method = LCD_CENTERING;
1287                                 viaparinfo->lvds_setting_info2->display_method =
1288                                     viafb_lcd_dsp_method = LCD_CENTERING;
1289                         } else {
1290                                 /* expandsion */
1291                                 viaparinfo->lvds_setting_info->display_method =
1292                                     LCD_EXPANDSION;
1293                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1294                                 viaparinfo->lvds_setting_info2->display_method =
1295                                     LCD_EXPANDSION;
1296                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1297                         }
1298                 }
1299
1300                 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1301                         need_set_mode = 1;
1302                         if (setting_info.lcd_attributes.lcd_mode ==
1303                                 LCD_SPWG) {
1304                                 viaparinfo->lvds_setting_info->lcd_mode =
1305                                         viafb_lcd_mode = LCD_SPWG;
1306                         } else {
1307                                 viaparinfo->lvds_setting_info->lcd_mode =
1308                                         viafb_lcd_mode = LCD_OPENLDI;
1309                         }
1310                         viaparinfo->lvds_setting_info2->lcd_mode =
1311                             viaparinfo->lvds_setting_info->lcd_mode;
1312                 }
1313
1314                 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1315                         need_set_mode = 1;
1316                         if (setting_info.lcd_attributes.panel_id <=
1317                             LCD_PANEL_ID_MAXIMUM) {
1318                                 viafb_lcd_panel_id =
1319                                     setting_info.lcd_attributes.panel_id;
1320                                 viafb_init_lcd_size();
1321                         }
1322                 }
1323         }
1324
1325         if (0 != (setting_info.samm_status & OP_SAMM)) {
1326                 setting_info.samm_status =
1327                     setting_info.samm_status & (~OP_SAMM);
1328                 if (setting_info.samm_status == 0
1329                     || setting_info.samm_status == 1) {
1330                         viafb_SAMM_ON = setting_info.samm_status;
1331
1332                         if (viafb_SAMM_ON)
1333                                 viafb_primary_dev = setting_info.primary_device;
1334
1335                         viafb_set_primary_address(0);
1336                         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1337                         viafb_set_iga_path();
1338                 }
1339                 need_set_mode = 1;
1340         }
1341
1342         if (!need_set_mode) {
1343                 ;
1344         } else {
1345                 viafb_set_iga_path();
1346                 viafb_set_par(info);
1347         }
1348         return true;
1349 }
1350
1351 static void retrieve_device_setting(struct viafb_ioctl_setting
1352         *setting_info)
1353 {
1354
1355         /* get device status */
1356         if (viafb_CRT_ON == 1)
1357                 setting_info->device_status = CRT_Device;
1358         if (viafb_DVI_ON == 1)
1359                 setting_info->device_status |= DVI_Device;
1360         if (viafb_LCD_ON == 1)
1361                 setting_info->device_status |= LCD_Device;
1362         if (viafb_LCD2_ON == 1)
1363                 setting_info->device_status |= LCD2_Device;
1364
1365         setting_info->samm_status = viafb_SAMM_ON;
1366         setting_info->primary_device = get_primary_device();
1367
1368         setting_info->first_dev_bpp = viafb_bpp;
1369         setting_info->second_dev_bpp = viafb_bpp1;
1370
1371         setting_info->first_dev_refresh = viafb_refresh;
1372         setting_info->second_dev_refresh = viafb_refresh1;
1373
1374         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1375         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1376         setting_info->second_dev_hor_res = viafb_second_xres;
1377         setting_info->second_dev_ver_res = viafb_second_yres;
1378
1379         /* Get lcd attributes */
1380         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1381         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1382         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1383 }
1384
1385 static int parse_active_dev(void)
1386 {
1387         viafb_CRT_ON = STATE_OFF;
1388         viafb_DVI_ON = STATE_OFF;
1389         viafb_LCD_ON = STATE_OFF;
1390         viafb_LCD2_ON = STATE_OFF;
1391         /* 1. Modify the active status of devices. */
1392         /* 2. Keep the order of devices, so we can set corresponding
1393            IGA path to devices in SAMM case. */
1394         /*    Note: The previous of active_dev is primary device,
1395            and the following is secondary device. */
1396         if (!viafb_active_dev) {
1397                 viafb_CRT_ON = STATE_ON;
1398                 viafb_SAMM_ON = STATE_OFF;
1399         } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1400                 /* CRT+DVI */
1401                 viafb_CRT_ON = STATE_ON;
1402                 viafb_DVI_ON = STATE_ON;
1403                 viafb_primary_dev = CRT_Device;
1404         } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1405                 /* DVI+CRT */
1406                 viafb_CRT_ON = STATE_ON;
1407                 viafb_DVI_ON = STATE_ON;
1408                 viafb_primary_dev = DVI_Device;
1409         } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1410                 /* CRT+LCD */
1411                 viafb_CRT_ON = STATE_ON;
1412                 viafb_LCD_ON = STATE_ON;
1413                 viafb_primary_dev = CRT_Device;
1414         } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1415                 /* LCD+CRT */
1416                 viafb_CRT_ON = STATE_ON;
1417                 viafb_LCD_ON = STATE_ON;
1418                 viafb_primary_dev = LCD_Device;
1419         } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1420                 /* DVI+LCD */
1421                 viafb_DVI_ON = STATE_ON;
1422                 viafb_LCD_ON = STATE_ON;
1423                 viafb_primary_dev = DVI_Device;
1424         } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1425                 /* LCD+DVI */
1426                 viafb_DVI_ON = STATE_ON;
1427                 viafb_LCD_ON = STATE_ON;
1428                 viafb_primary_dev = LCD_Device;
1429         } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1430                 viafb_LCD_ON = STATE_ON;
1431                 viafb_LCD2_ON = STATE_ON;
1432                 viafb_primary_dev = LCD_Device;
1433         } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1434                 viafb_LCD_ON = STATE_ON;
1435                 viafb_LCD2_ON = STATE_ON;
1436                 viafb_primary_dev = LCD2_Device;
1437         } else if (!strcmp(viafb_active_dev, "CRT")) {
1438                 /* CRT only */
1439                 viafb_CRT_ON = STATE_ON;
1440                 viafb_SAMM_ON = STATE_OFF;
1441         } else if (!strcmp(viafb_active_dev, "DVI")) {
1442                 /* DVI only */
1443                 viafb_DVI_ON = STATE_ON;
1444                 viafb_SAMM_ON = STATE_OFF;
1445         } else if (!strcmp(viafb_active_dev, "LCD")) {
1446                 /* LCD only */
1447                 viafb_LCD_ON = STATE_ON;
1448                 viafb_SAMM_ON = STATE_OFF;
1449         } else
1450                 return -EINVAL;
1451
1452         return 0;
1453 }
1454
1455 static int parse_port(char *opt_str, int *output_interface)
1456 {
1457         if (!strncmp(opt_str, "DVP0", 4))
1458                 *output_interface = INTERFACE_DVP0;
1459         else if (!strncmp(opt_str, "DVP1", 4))
1460                 *output_interface = INTERFACE_DVP1;
1461         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1462                 *output_interface = INTERFACE_DFP;
1463         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1464                 *output_interface = INTERFACE_DFP_HIGH;
1465         else if (!strncmp(opt_str, "DFP_LOW", 7))
1466                 *output_interface = INTERFACE_DFP_LOW;
1467         else
1468                 *output_interface = INTERFACE_NONE;
1469         return 0;
1470 }
1471
1472 static void parse_lcd_port(void)
1473 {
1474         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1475                 output_interface);
1476         /*Initialize to avoid unexpected behavior */
1477         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1478         INTERFACE_NONE;
1479
1480         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1481                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1482                   output_interface);
1483 }
1484
1485 static void parse_dvi_port(void)
1486 {
1487         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1488                 output_interface);
1489
1490         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1491                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1492                   output_interface);
1493 }
1494
1495 /*
1496  * The proc filesystem read/write function, a simple proc implement to
1497  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1498  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1499  * CR9B,    SR65,    CR97,    CR99
1500  */
1501 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1502 {
1503         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1504         dvp0_data_dri =
1505             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1506             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1507         dvp0_clk_dri =
1508             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1509             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1510         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1511         seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1512         return 0;
1513 }
1514
1515 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1516 {
1517         return single_open(file, viafb_dvp0_proc_show, NULL);
1518 }
1519
1520 static ssize_t viafb_dvp0_proc_write(struct file *file,
1521         const char __user *buffer, size_t count, loff_t *pos)
1522 {
1523         char buf[20], *value, *pbuf;
1524         u8 reg_val = 0;
1525         unsigned long length, i;
1526         if (count < 1)
1527                 return -EINVAL;
1528         length = count > 20 ? 20 : count;
1529         if (copy_from_user(&buf[0], buffer, length))
1530                 return -EFAULT;
1531         buf[length - 1] = '\0'; /*Ensure end string */
1532         pbuf = &buf[0];
1533         for (i = 0; i < 3; i++) {
1534                 value = strsep(&pbuf, " ");
1535                 if (value != NULL) {
1536                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1537                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1538                                   reg_val);
1539                         switch (i) {
1540                         case 0:
1541                                 viafb_write_reg_mask(CR96, VIACR,
1542                                         reg_val, 0x0f);
1543                                 break;
1544                         case 1:
1545                                 viafb_write_reg_mask(SR2A, VIASR,
1546                                         reg_val << 4, BIT5);
1547                                 viafb_write_reg_mask(SR1B, VIASR,
1548                                         reg_val << 1, BIT1);
1549                                 break;
1550                         case 2:
1551                                 viafb_write_reg_mask(SR2A, VIASR,
1552                                         reg_val << 3, BIT4);
1553                                 viafb_write_reg_mask(SR1E, VIASR,
1554                                         reg_val << 2, BIT2);
1555                                 break;
1556                         default:
1557                                 break;
1558                         }
1559                 } else {
1560                         break;
1561                 }
1562         }
1563         return count;
1564 }
1565
1566 static const struct file_operations viafb_dvp0_proc_fops = {
1567         .owner          = THIS_MODULE,
1568         .open           = viafb_dvp0_proc_open,
1569         .read           = seq_read,
1570         .llseek         = seq_lseek,
1571         .release        = single_release,
1572         .write          = viafb_dvp0_proc_write,
1573 };
1574
1575 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1576 {
1577         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1578         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1579         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1580         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1581         seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1582         return 0;
1583 }
1584
1585 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1586 {
1587         return single_open(file, viafb_dvp1_proc_show, NULL);
1588 }
1589
1590 static ssize_t viafb_dvp1_proc_write(struct file *file,
1591         const char __user *buffer, size_t count, loff_t *pos)
1592 {
1593         char buf[20], *value, *pbuf;
1594         u8 reg_val = 0;
1595         unsigned long length, i;
1596         if (count < 1)
1597                 return -EINVAL;
1598         length = count > 20 ? 20 : count;
1599         if (copy_from_user(&buf[0], buffer, length))
1600                 return -EFAULT;
1601         buf[length - 1] = '\0'; /*Ensure end string */
1602         pbuf = &buf[0];
1603         for (i = 0; i < 3; i++) {
1604                 value = strsep(&pbuf, " ");
1605                 if (value != NULL) {
1606                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1607                         switch (i) {
1608                         case 0:
1609                                 viafb_write_reg_mask(CR9B, VIACR,
1610                                         reg_val, 0x0f);
1611                                 break;
1612                         case 1:
1613                                 viafb_write_reg_mask(SR65, VIASR,
1614                                         reg_val << 2, 0x0c);
1615                                 break;
1616                         case 2:
1617                                 viafb_write_reg_mask(SR65, VIASR,
1618                                         reg_val, 0x03);
1619                                 break;
1620                         default:
1621                                 break;
1622                         }
1623                 } else {
1624                         break;
1625                 }
1626         }
1627         return count;
1628 }
1629
1630 static const struct file_operations viafb_dvp1_proc_fops = {
1631         .owner          = THIS_MODULE,
1632         .open           = viafb_dvp1_proc_open,
1633         .read           = seq_read,
1634         .llseek         = seq_lseek,
1635         .release        = single_release,
1636         .write          = viafb_dvp1_proc_write,
1637 };
1638
1639 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1640 {
1641         u8 dfp_high = 0;
1642         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1643         seq_printf(m, "%x\n", dfp_high);
1644         return 0;
1645 }
1646
1647 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1648 {
1649         return single_open(file, viafb_dfph_proc_show, NULL);
1650 }
1651
1652 static ssize_t viafb_dfph_proc_write(struct file *file,
1653         const char __user *buffer, size_t count, loff_t *pos)
1654 {
1655         char buf[20];
1656         u8 reg_val = 0;
1657         unsigned long length;
1658         if (count < 1)
1659                 return -EINVAL;
1660         length = count > 20 ? 20 : count;
1661         if (copy_from_user(&buf[0], buffer, length))
1662                 return -EFAULT;
1663         buf[length - 1] = '\0'; /*Ensure end string */
1664         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1665         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1666         return count;
1667 }
1668
1669 static const struct file_operations viafb_dfph_proc_fops = {
1670         .owner          = THIS_MODULE,
1671         .open           = viafb_dfph_proc_open,
1672         .read           = seq_read,
1673         .llseek         = seq_lseek,
1674         .release        = single_release,
1675         .write          = viafb_dfph_proc_write,
1676 };
1677
1678 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1679 {
1680         u8 dfp_low = 0;
1681         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1682         seq_printf(m, "%x\n", dfp_low);
1683         return 0;
1684 }
1685
1686 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1687 {
1688         return single_open(file, viafb_dfpl_proc_show, NULL);
1689 }
1690
1691 static ssize_t viafb_dfpl_proc_write(struct file *file,
1692         const char __user *buffer, size_t count, loff_t *pos)
1693 {
1694         char buf[20];
1695         u8 reg_val = 0;
1696         unsigned long length;
1697         if (count < 1)
1698                 return -EINVAL;
1699         length = count > 20 ? 20 : count;
1700         if (copy_from_user(&buf[0], buffer, length))
1701                 return -EFAULT;
1702         buf[length - 1] = '\0'; /*Ensure end string */
1703         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1704         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1705         return count;
1706 }
1707
1708 static const struct file_operations viafb_dfpl_proc_fops = {
1709         .owner          = THIS_MODULE,
1710         .open           = viafb_dfpl_proc_open,
1711         .read           = seq_read,
1712         .llseek         = seq_lseek,
1713         .release        = single_release,
1714         .write          = viafb_dfpl_proc_write,
1715 };
1716
1717 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1718 {
1719         u8 vt1636_08 = 0, vt1636_09 = 0;
1720         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1721         case VT1636_LVDS:
1722                 vt1636_08 =
1723                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1724                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1725                 vt1636_09 =
1726                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1727                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1728                 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1729                 break;
1730         default:
1731                 break;
1732         }
1733         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1734         case VT1636_LVDS:
1735                 vt1636_08 =
1736                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1737                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1738                 vt1636_09 =
1739                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1740                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1741                 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1742                 break;
1743         default:
1744                 break;
1745         }
1746         return 0;
1747 }
1748
1749 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1750 {
1751         return single_open(file, viafb_vt1636_proc_show, NULL);
1752 }
1753
1754 static ssize_t viafb_vt1636_proc_write(struct file *file,
1755         const char __user *buffer, size_t count, loff_t *pos)
1756 {
1757         char buf[30], *value, *pbuf;
1758         struct IODATA reg_val;
1759         unsigned long length, i;
1760         if (count < 1)
1761                 return -EINVAL;
1762         length = count > 30 ? 30 : count;
1763         if (copy_from_user(&buf[0], buffer, length))
1764                 return -EFAULT;
1765         buf[length - 1] = '\0'; /*Ensure end string */
1766         pbuf = &buf[0];
1767         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1768         case VT1636_LVDS:
1769                 for (i = 0; i < 2; i++) {
1770                         value = strsep(&pbuf, " ");
1771                         if (value != NULL) {
1772                                 strict_strtoul(value, 0,
1773                                         (unsigned long *)&reg_val.Data);
1774                                 switch (i) {
1775                                 case 0:
1776                                         reg_val.Index = 0x08;
1777                                         reg_val.Mask = 0x0f;
1778                                         viafb_gpio_i2c_write_mask_lvds
1779                                             (viaparinfo->lvds_setting_info,
1780                                             &viaparinfo->
1781                                             chip_info->lvds_chip_info,
1782                                              reg_val);
1783                                         break;
1784                                 case 1:
1785                                         reg_val.Index = 0x09;
1786                                         reg_val.Mask = 0x1f;
1787                                         viafb_gpio_i2c_write_mask_lvds
1788                                             (viaparinfo->lvds_setting_info,
1789                                             &viaparinfo->
1790                                             chip_info->lvds_chip_info,
1791                                              reg_val);
1792                                         break;
1793                                 default:
1794                                         break;
1795                                 }
1796                         } else {
1797                                 break;
1798                         }
1799                 }
1800                 break;
1801         default:
1802                 break;
1803         }
1804         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1805         case VT1636_LVDS:
1806                 for (i = 0; i < 2; i++) {
1807                         value = strsep(&pbuf, " ");
1808                         if (value != NULL) {
1809                                 strict_strtoul(value, 0,
1810                                         (unsigned long *)&reg_val.Data);
1811                                 switch (i) {
1812                                 case 0:
1813                                         reg_val.Index = 0x08;
1814                                         reg_val.Mask = 0x0f;
1815                                         viafb_gpio_i2c_write_mask_lvds
1816                                             (viaparinfo->lvds_setting_info2,
1817                                             &viaparinfo->
1818                                             chip_info->lvds_chip_info2,
1819                                              reg_val);
1820                                         break;
1821                                 case 1:
1822                                         reg_val.Index = 0x09;
1823                                         reg_val.Mask = 0x1f;
1824                                         viafb_gpio_i2c_write_mask_lvds
1825                                             (viaparinfo->lvds_setting_info2,
1826                                             &viaparinfo->
1827                                             chip_info->lvds_chip_info2,
1828                                              reg_val);
1829                                         break;
1830                                 default:
1831                                         break;
1832                                 }
1833                         } else {
1834                                 break;
1835                         }
1836                 }
1837                 break;
1838         default:
1839                 break;
1840         }
1841         return count;
1842 }
1843
1844 static const struct file_operations viafb_vt1636_proc_fops = {
1845         .owner          = THIS_MODULE,
1846         .open           = viafb_vt1636_proc_open,
1847         .read           = seq_read,
1848         .llseek         = seq_lseek,
1849         .release        = single_release,
1850         .write          = viafb_vt1636_proc_write,
1851 };
1852
1853 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1854 {
1855         *viafb_entry = proc_mkdir("viafb", NULL);
1856         if (*viafb_entry) {
1857                 proc_create("dvp0", 0, *viafb_entry, &viafb_dvp0_proc_fops);
1858                 proc_create("dvp1", 0, *viafb_entry, &viafb_dvp1_proc_fops);
1859                 proc_create("dfph", 0, *viafb_entry, &viafb_dfph_proc_fops);
1860                 proc_create("dfpl", 0, *viafb_entry, &viafb_dfpl_proc_fops);
1861                 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1862                         lvds_chip_name || VT1636_LVDS ==
1863                     viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1864                         proc_create("vt1636", 0, *viafb_entry, &viafb_vt1636_proc_fops);
1865                 }
1866
1867         }
1868 }
1869 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1870 {
1871         /* no problem if it was not registered */
1872         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1873         remove_proc_entry("dvp1", viafb_entry);
1874         remove_proc_entry("dfph", viafb_entry);
1875         remove_proc_entry("dfpl", viafb_entry);
1876         remove_proc_entry("vt1636", viafb_entry);
1877         remove_proc_entry("vt1625", viafb_entry);
1878         remove_proc_entry("viafb", NULL);
1879 }
1880
1881 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1882 {
1883         char *ptr;
1884
1885         if (!str) {
1886                 *xres = 640;
1887                 *yres = 480;
1888                 return 0;
1889         }
1890
1891         *xres = simple_strtoul(str, &ptr, 10);
1892         if (ptr[0] != 'x')
1893                 return -EINVAL;
1894
1895         *yres = simple_strtoul(&ptr[1], &ptr, 10);
1896         if (ptr[0])
1897                 return -EINVAL;
1898
1899         return 0;
1900 }
1901
1902 static int __devinit via_pci_probe(struct pci_dev *pdev,
1903                                    const struct pci_device_id *ent)
1904 {
1905         u32 default_xres, default_yres;
1906         struct VideoModeTable *vmode_entry;
1907         struct fb_var_screeninfo default_var;
1908         u32 viafb_par_length;
1909
1910         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1911         memset(&default_var, 0, sizeof(default_var));
1912         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1913
1914         /* Allocate fb_info and ***_par here, also including some other needed
1915          * variables
1916         */
1917         viafbinfo = framebuffer_alloc(viafb_par_length +
1918                 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1919                 &pdev->dev);
1920         if (!viafbinfo) {
1921                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1922                 return -ENODEV;
1923         }
1924
1925         viaparinfo = (struct viafb_par *)viafbinfo->par;
1926         viaparinfo->shared = viafbinfo->par + viafb_par_length;
1927         viaparinfo->vram_addr = 0;
1928         viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1929         viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1930         viaparinfo->lvds_setting_info2 =
1931                 &viaparinfo->shared->lvds_setting_info2;
1932         viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1933         viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1934
1935         if (viafb_dual_fb)
1936                 viafb_SAMM_ON = 1;
1937         parse_lcd_port();
1938         parse_dvi_port();
1939
1940         /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
1941         if (!viafb_SAMM_ON)
1942                 viafb_dual_fb = 0;
1943
1944         /* Set up I2C bus stuff */
1945         viafb_create_i2c_bus(viaparinfo);
1946
1947         viafb_init_chip_info(pdev, ent);
1948         viaparinfo->fbmem = pci_resource_start(pdev, 0);
1949         viaparinfo->memsize = viafb_get_fb_size_from_pci();
1950         viaparinfo->fbmem_free = viaparinfo->memsize;
1951         viaparinfo->fbmem_used = 0;
1952         viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,
1953                 viaparinfo->memsize);
1954         if (!viafbinfo->screen_base) {
1955                 printk(KERN_INFO "ioremap failed\n");
1956                 return -ENOMEM;
1957         }
1958
1959         viafbinfo->fix.mmio_start = pci_resource_start(pdev, 1);
1960         viafbinfo->fix.mmio_len = pci_resource_len(pdev, 1);
1961         viafbinfo->node = 0;
1962         viafbinfo->fbops = &viafb_ops;
1963         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1964
1965         viafbinfo->pseudo_palette = pseudo_pal;
1966         if (viafb_accel && !viafb_init_engine(viafbinfo)) {
1967                 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1968                         FBINFO_HWACCEL_FILLRECT |  FBINFO_HWACCEL_IMAGEBLIT;
1969                 default_var.accel_flags = FB_ACCELF_TEXT;
1970         } else {
1971                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1972                 default_var.accel_flags = 0;
1973         }
1974
1975         if (viafb_second_size && (viafb_second_size < 8)) {
1976                 viafb_second_offset = viaparinfo->fbmem_free -
1977                         viafb_second_size * 1024 * 1024;
1978         } else {
1979                 viafb_second_size = 8;
1980                 viafb_second_offset = viaparinfo->fbmem_free -
1981                         viafb_second_size * 1024 * 1024;
1982         }
1983
1984         parse_mode(viafb_mode, &default_xres, &default_yres);
1985         vmode_entry = viafb_get_mode(default_xres, default_yres);
1986         if (viafb_SAMM_ON == 1) {
1987                 parse_mode(viafb_mode1, &viafb_second_xres,
1988                         &viafb_second_yres);
1989
1990                 if (0 == viafb_second_virtual_xres) {
1991                         switch (viafb_second_xres) {
1992                         case 1400:
1993                                 viafb_second_virtual_xres = 1408;
1994                                 break;
1995                         default:
1996                                 viafb_second_virtual_xres = viafb_second_xres;
1997                                 break;
1998                         }
1999                 }
2000                 if (0 == viafb_second_virtual_yres)
2001                         viafb_second_virtual_yres = viafb_second_yres;
2002         }
2003
2004         switch (viafb_bpp) {
2005         case 0 ... 8:
2006                 viafb_bpp = 8;
2007                 break;
2008         case 9 ... 16:
2009                 viafb_bpp = 16;
2010                 break;
2011         case 17 ... 32:
2012                 viafb_bpp = 32;
2013                 break;
2014         default:
2015                 viafb_bpp = 8;
2016         }
2017         default_var.xres = default_xres;
2018         default_var.yres = default_yres;
2019         switch (default_xres) {
2020         case 1400:
2021                 default_var.xres_virtual = 1408;
2022                 break;
2023         default:
2024                 default_var.xres_virtual = default_xres;
2025                 break;
2026         }
2027         default_var.yres_virtual = default_yres;
2028         default_var.bits_per_pixel = viafb_bpp;
2029         if (default_var.bits_per_pixel == 15)
2030                 default_var.bits_per_pixel = 16;
2031         default_var.pixclock =
2032             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
2033         default_var.left_margin = (default_xres >> 3) & 0xf8;
2034         default_var.right_margin = 32;
2035         default_var.upper_margin = 16;
2036         default_var.lower_margin = 4;
2037         default_var.hsync_len = default_var.left_margin;
2038         default_var.vsync_len = 4;
2039         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2040         viafb_check_var(&default_var, viafbinfo);
2041         viafbinfo->var = default_var;
2042
2043         if (viafb_dual_fb) {
2044                 viafbinfo1 = framebuffer_alloc(viafb_par_length, &pdev->dev);
2045                 if (!viafbinfo1) {
2046                         printk(KERN_ERR
2047                         "allocate the second framebuffer struct error\n");
2048                         framebuffer_release(viafbinfo);
2049                         return -ENOMEM;
2050                 }
2051                 viaparinfo1 = viafbinfo1->par;
2052                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
2053                 viaparinfo1->vram_addr = viafb_second_offset;
2054                 viaparinfo1->memsize = viaparinfo->memsize -
2055                         viafb_second_offset;
2056                 viaparinfo->memsize = viafb_second_offset;
2057                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
2058
2059                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
2060                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
2061                         viaparinfo1->fbmem_used;
2062                 viaparinfo->fbmem_free = viaparinfo->memsize;
2063                 viaparinfo->fbmem_used = 0;
2064
2065                 viaparinfo->iga_path = IGA1;
2066                 viaparinfo1->iga_path = IGA2;
2067                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2068                 viafbinfo1->par = viaparinfo1;
2069                 viafbinfo1->screen_base = viafbinfo->screen_base +
2070                         viafb_second_offset;
2071
2072                 default_var.xres = viafb_second_xres;
2073                 default_var.yres = viafb_second_yres;
2074                 default_var.xres_virtual = viafb_second_virtual_xres;
2075                 default_var.yres_virtual = viafb_second_virtual_yres;
2076                 if (viafb_bpp1 != viafb_bpp)
2077                         viafb_bpp1 = viafb_bpp;
2078                 default_var.bits_per_pixel = viafb_bpp1;
2079                 default_var.pixclock =
2080                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2081                     viafb_refresh);
2082                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2083                 default_var.right_margin = 32;
2084                 default_var.upper_margin = 16;
2085                 default_var.lower_margin = 4;
2086                 default_var.hsync_len = default_var.left_margin;
2087                 default_var.vsync_len = 4;
2088
2089                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2090                 viafb_check_var(&default_var, viafbinfo1);
2091                 viafbinfo1->var = default_var;
2092                 viafb_update_fix(viafbinfo1);
2093                 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
2094                         &viafbinfo1->fix);
2095         }
2096
2097         viafb_update_fix(viafbinfo);
2098         viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
2099                 &viafbinfo->fix);
2100         default_var.activate = FB_ACTIVATE_NOW;
2101         fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2102
2103         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2104             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2105                 if (register_framebuffer(viafbinfo1) < 0)
2106                         return -EINVAL;
2107         }
2108         if (register_framebuffer(viafbinfo) < 0)
2109                 return -EINVAL;
2110
2111         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2112                         || (viaparinfo->chip_info->gfx_chip_name !=
2113                         UNICHROME_CLE266))) {
2114                 if (register_framebuffer(viafbinfo1) < 0)
2115                         return -EINVAL;
2116         }
2117         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2118                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2119                   default_var.yres, default_var.bits_per_pixel);
2120
2121         viafb_init_proc(&viaparinfo->shared->proc_entry);
2122         viafb_init_dac(IGA2);
2123         return 0;
2124 }
2125
2126 static void __devexit via_pci_remove(struct pci_dev *pdev)
2127 {
2128         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2129         fb_dealloc_cmap(&viafbinfo->cmap);
2130         unregister_framebuffer(viafbinfo);
2131         if (viafb_dual_fb)
2132                 unregister_framebuffer(viafbinfo1);
2133         iounmap((void *)viafbinfo->screen_base);
2134         iounmap(viaparinfo->shared->engine_mmio);
2135
2136         viafb_delete_i2c_buss(viaparinfo);
2137
2138         framebuffer_release(viafbinfo);
2139         if (viafb_dual_fb)
2140                 framebuffer_release(viafbinfo1);
2141
2142         viafb_remove_proc(viaparinfo->shared->proc_entry);
2143 }
2144
2145 #ifndef MODULE
2146 static int __init viafb_setup(char *options)
2147 {
2148         char *this_opt;
2149         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2150
2151         if (!options || !*options)
2152                 return 0;
2153
2154         while ((this_opt = strsep(&options, ",")) != NULL) {
2155                 if (!*this_opt)
2156                         continue;
2157
2158                 if (!strncmp(this_opt, "viafb_mode1=", 12))
2159                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2160                 else if (!strncmp(this_opt, "viafb_mode=", 11))
2161                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2162                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2163                         strict_strtoul(this_opt + 11, 0,
2164                                 (unsigned long *)&viafb_bpp1);
2165                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2166                         strict_strtoul(this_opt + 10, 0,
2167                                 (unsigned long *)&viafb_bpp);
2168                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2169                         strict_strtoul(this_opt + 15, 0,
2170                                 (unsigned long *)&viafb_refresh1);
2171                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2172                         strict_strtoul(this_opt + 14, 0,
2173                                 (unsigned long *)&viafb_refresh);
2174                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2175                         strict_strtoul(this_opt + 21, 0,
2176                                 (unsigned long *)&viafb_lcd_dsp_method);
2177                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2178                         strict_strtoul(this_opt + 19, 0,
2179                                 (unsigned long *)&viafb_lcd_panel_id);
2180                 else if (!strncmp(this_opt, "viafb_accel=", 12))
2181                         strict_strtoul(this_opt + 12, 0,
2182                                 (unsigned long *)&viafb_accel);
2183                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2184                         strict_strtoul(this_opt + 14, 0,
2185                                 (unsigned long *)&viafb_SAMM_ON);
2186                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2187                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2188                 else if (!strncmp(this_opt,
2189                         "viafb_display_hardware_layout=", 30))
2190                         strict_strtoul(this_opt + 30, 0,
2191                         (unsigned long *)&viafb_display_hardware_layout);
2192                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2193                         strict_strtoul(this_opt + 18, 0,
2194                                 (unsigned long *)&viafb_second_size);
2195                 else if (!strncmp(this_opt,
2196                         "viafb_platform_epia_dvi=", 24))
2197                         strict_strtoul(this_opt + 24, 0,
2198                                 (unsigned long *)&viafb_platform_epia_dvi);
2199                 else if (!strncmp(this_opt,
2200                         "viafb_device_lcd_dualedge=", 26))
2201                         strict_strtoul(this_opt + 26, 0,
2202                                 (unsigned long *)&viafb_device_lcd_dualedge);
2203                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2204                         strict_strtoul(this_opt + 16, 0,
2205                                 (unsigned long *)&viafb_bus_width);
2206                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2207                         strict_strtoul(this_opt + 15, 0,
2208                                 (unsigned long *)&viafb_lcd_mode);
2209                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2210                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2211                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2212                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2213         }
2214         return 0;
2215 }
2216 #endif
2217
2218 static struct pci_device_id viafb_pci_table[] __devinitdata = {
2219         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CLE266_DID),
2220           .driver_data = UNICHROME_CLE266 },
2221         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_PM800_DID),
2222           .driver_data = UNICHROME_PM800 },
2223         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K400_DID),
2224           .driver_data = UNICHROME_K400 },
2225         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K800_DID),
2226           .driver_data = UNICHROME_K800 },
2227         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M890_DID),
2228           .driver_data = UNICHROME_CN700 },
2229         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K8M890_DID),
2230           .driver_data = UNICHROME_K8M890 },
2231         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CX700_DID),
2232           .driver_data = UNICHROME_CX700 },
2233         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M900_DID),
2234           .driver_data = UNICHROME_P4M900 },
2235         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CN750_DID),
2236           .driver_data = UNICHROME_CN750 },
2237         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX800_DID),
2238           .driver_data = UNICHROME_VX800 },
2239         { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX855_DID),
2240           .driver_data = UNICHROME_VX855 },
2241         { }
2242 };
2243 MODULE_DEVICE_TABLE(pci, viafb_pci_table);
2244
2245 static struct pci_driver viafb_driver = {
2246         .name           = "viafb",
2247         .id_table       = viafb_pci_table,
2248         .probe          = via_pci_probe,
2249         .remove         = __devexit_p(via_pci_remove),
2250 };
2251
2252 static int __init viafb_init(void)
2253 {
2254         u32 dummy;
2255 #ifndef MODULE
2256         char *option = NULL;
2257         if (fb_get_options("viafb", &option))
2258                 return -ENODEV;
2259         viafb_setup(option);
2260 #endif
2261         if (parse_mode(viafb_mode, &dummy, &dummy)
2262                 || parse_mode(viafb_mode1, &dummy, &dummy)
2263                 || parse_active_dev())
2264                 return -EINVAL;
2265
2266         printk(KERN_INFO
2267        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2268                VERSION_MAJOR, VERSION_MINOR);
2269         return pci_register_driver(&viafb_driver);
2270 }
2271
2272 static void __exit viafb_exit(void)
2273 {
2274         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2275         pci_unregister_driver(&viafb_driver);
2276 }
2277
2278 static struct fb_ops viafb_ops = {
2279         .owner = THIS_MODULE,
2280         .fb_open = viafb_open,
2281         .fb_release = viafb_release,
2282         .fb_check_var = viafb_check_var,
2283         .fb_set_par = viafb_set_par,
2284         .fb_setcolreg = viafb_setcolreg,
2285         .fb_pan_display = viafb_pan_display,
2286         .fb_blank = viafb_blank,
2287         .fb_fillrect = viafb_fillrect,
2288         .fb_copyarea = viafb_copyarea,
2289         .fb_imageblit = viafb_imageblit,
2290         .fb_cursor = viafb_cursor,
2291         .fb_ioctl = viafb_ioctl,
2292         .fb_sync = viafb_sync,
2293         .fb_setcmap = viafb_setcmap,
2294 };
2295
2296 module_init(viafb_init);
2297 module_exit(viafb_exit);
2298
2299 #ifdef MODULE
2300 module_param(viafb_mode, charp, S_IRUSR);
2301 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2302
2303 module_param(viafb_mode1, charp, S_IRUSR);
2304 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2305
2306 module_param(viafb_bpp, int, S_IRUSR);
2307 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2308
2309 module_param(viafb_bpp1, int, S_IRUSR);
2310 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2311
2312 module_param(viafb_refresh, int, S_IRUSR);
2313 MODULE_PARM_DESC(viafb_refresh,
2314         "Set CRT viafb_refresh rate (default = 60)");
2315
2316 module_param(viafb_refresh1, int, S_IRUSR);
2317 MODULE_PARM_DESC(viafb_refresh1,
2318         "Set CRT refresh rate (default = 60)");
2319
2320 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2321 MODULE_PARM_DESC(viafb_lcd_panel_id,
2322         "Set Flat Panel type(Default=1024x768)");
2323
2324 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2325 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2326         "Set Flat Panel display scaling method.(Default=Expandsion)");
2327
2328 module_param(viafb_SAMM_ON, int, S_IRUSR);
2329 MODULE_PARM_DESC(viafb_SAMM_ON,
2330         "Turn on/off flag of SAMM(Default=OFF)");
2331
2332 module_param(viafb_accel, int, S_IRUSR);
2333 MODULE_PARM_DESC(viafb_accel,
2334         "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2335
2336 module_param(viafb_active_dev, charp, S_IRUSR);
2337 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2338
2339 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2340 MODULE_PARM_DESC(viafb_display_hardware_layout,
2341         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2342
2343 module_param(viafb_second_size, int, S_IRUSR);
2344 MODULE_PARM_DESC(viafb_second_size,
2345         "Set secondary device memory size");
2346
2347 module_param(viafb_dual_fb, int, S_IRUSR);
2348 MODULE_PARM_DESC(viafb_dual_fb,
2349         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2350
2351 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2352 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2353         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2354
2355 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2356 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2357         "Turn on/off flag of dual edge panel.(Default = OFF)");
2358
2359 module_param(viafb_bus_width, int, S_IRUSR);
2360 MODULE_PARM_DESC(viafb_bus_width,
2361         "Set bus width of panel.(Default = 12)");
2362
2363 module_param(viafb_lcd_mode, int, S_IRUSR);
2364 MODULE_PARM_DESC(viafb_lcd_mode,
2365         "Set Flat Panel mode(Default=OPENLDI)");
2366
2367 module_param(viafb_lcd_port, charp, S_IRUSR);
2368 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2369
2370 module_param(viafb_dvi_port, charp, S_IRUSR);
2371 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2372
2373 MODULE_LICENSE("GPL");
2374 #endif