drivers/video/via/viafbdev.c

   1 /*
   2  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   4
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public
   7  * License as published by the Free Software Foundation;
   8  * either version 2, or (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
  12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
  13  * A PARTICULAR PURPOSE.See the GNU General Public License
  14  * for more details.
  15
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <linux/module.h>
  23 #define _MASTER_FILE
  24
  25 #include "global.h"
  26
  27 static int MAX_CURS = 32;
  28 static struct fb_var_screeninfo default_var;
  29 static char *viafb_name = "Via";
  30 static u32 pseudo_pal[17];
  31
  32 /* video mode */
  33 static char *viafb_mode = "640x480";
  34 static char *viafb_mode1 = "640x480";
  35
  36 /* Added for specifying active devices.*/
  37 char *viafb_active_dev = "";
  38
  39 /*Added for specify lcd output port*/
  40 char *viafb_lcd_port = "";
  41 char *viafb_dvi_port = "";
  42
  43 static void viafb_set_device(struct device_t active_dev);
  44 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
  45                          struct fb_info *info);
  46 static void apply_second_mode_setting(struct fb_var_screeninfo
  47         *sec_var);
  48 static void retrieve_device_setting(struct viafb_ioctl_setting
  49         *setting_info);
  50
  51 static struct fb_ops viafb_ops;
  52
  53
  54 static void viafb_update_fix(struct fb_info *info)
  55 {
  56         u32 bpp = info->var.bits_per_pixel;
  57
  58         info->fix.visual =
  59                 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
  60         info->fix.line_length =
  61                 ((info->var.xres_virtual + 7) & ~7) * bpp / 8;
  62 }
  63
  64 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
  65         struct viafb_par *viaparinfo)
  66 {
  67         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
  68         strcpy(fix->id, viafb_name);
  69
  70         fix->smem_start = viaparinfo->fbmem;
  71         fix->smem_len = viaparinfo->fbmem_free;
  72
  73         fix->type = FB_TYPE_PACKED_PIXELS;
  74         fix->type_aux = 0;
  75
  76         fix->xpanstep = fix->ywrapstep = 0;
  77         fix->ypanstep = 1;
  78
  79         /* Just tell the accel name */
  80         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
  81 }
  82 static int viafb_open(struct fb_info *info, int user)
  83 {
  84         DEBUG_MSG(KERN_INFO "viafb_open!\n");
  85         return 0;
  86 }
  87
  88 static int viafb_release(struct fb_info *info, int user)
  89 {
  90         DEBUG_MSG(KERN_INFO "viafb_release!\n");
  91         return 0;
  92 }
  93
  94 static int viafb_check_var(struct fb_var_screeninfo *var,
  95         struct fb_info *info)
  96 {
  97         int vmode_index, htotal, vtotal;
  98         struct viafb_par *ppar;
  99         u32 long_refresh;
 100         struct viafb_par *p_viafb_par;
 101         ppar = info->par;
 102
 103
 104         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 105         /* Sanity check */
 106         /* HW neither support interlacte nor double-scaned mode */
 107         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 108                 return -EINVAL;
 109
 110         vmode_index = viafb_get_mode_index(var->xres, var->yres);
 111         if (vmode_index == VIA_RES_INVALID) {
 112                 DEBUG_MSG(KERN_INFO
 113                           "viafb: Mode %dx%dx%d not supported!!\n",
 114                           var->xres, var->yres, var->bits_per_pixel);
 115                 return -EINVAL;
 116         }
 117
 118         if (24 == var->bits_per_pixel)
 119                 var->bits_per_pixel = 32;
 120
 121         if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
 122                 var->bits_per_pixel != 32)
 123                 return -EINVAL;
 124
 125         if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
 126                 /*32 pixel alignment */
 127                 var->xres_virtual = (var->xres_virtual + 31) & ~31;
 128         if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
 129                 ppar->memsize)
 130                 return -EINVAL;
 131
 132         /* Based on var passed in to calculate the refresh,
 133          * because our driver use some modes special.
 134          */
 135         htotal = var->xres + var->left_margin +
 136         var->right_margin + var->hsync_len;
 137         vtotal = var->yres + var->upper_margin +
 138                 var->lower_margin + var->vsync_len;
 139         long_refresh = 1000000000UL / var->pixclock * 1000;
 140         long_refresh /= (htotal * vtotal);
 141
 142         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 143
 144         /* Adjust var according to our driver's own table */
 145         viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
 146
 147         /* This is indeed a patch for VT3353 */
 148         if (!info->par)
 149                 return -1;
 150         p_viafb_par = (struct viafb_par *)info->par;
 151         if (p_viafb_par->chip_info->gfx_chip_name == UNICHROME_VX800)
 152                 var->accel_flags = 0;
 153
 154         return 0;
 155 }
 156
 157 static int viafb_set_par(struct fb_info *info)
 158 {
 159         int vmode_index;
 160         int vmode_index1 = 0;
 161         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 162
 163         viafb_update_device_setting(info->var.xres, info->var.yres,
 164                               info->var.bits_per_pixel, viafb_refresh, 0);
 165
 166         vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
 167
 168         if (viafb_SAMM_ON == 1) {
 169                 DEBUG_MSG(KERN_INFO
 170                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 171                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 172                 vmode_index1 = viafb_get_mode_index(viafb_second_xres,
 173                         viafb_second_yres);
 174                 DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
 175                         vmode_index1);
 176
 177                 viafb_update_device_setting(viafb_second_xres,
 178                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 179         }
 180
 181         if (vmode_index != VIA_RES_INVALID) {
 182                 viafb_setmode(vmode_index, info->var.xres, info->var.yres,
 183                         info->var.bits_per_pixel, vmode_index1,
 184                         viafb_second_xres, viafb_second_yres, viafb_bpp1);
 185
 186                 /*We should set memory offset according virtual_x */
 187                 /*Fix me:put this function into viafb_setmode */
 188                 viafb_memory_pitch_patch(info);
 189                 viafb_update_fix(info);
 190                 viafb_bpp = info->var.bits_per_pixel;
 191                 /* Update viafb_accel, it is necessary to our 2D accelerate */
 192                 viafb_accel = info->var.accel_flags;
 193
 194                 if (viafb_accel)
 195                         viafb_set_2d_color_depth(info->var.bits_per_pixel);
 196         }
 197
 198         return 0;
 199 }
 200
 201 /* Set one color register */
 202 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 203 unsigned blue, unsigned transp, struct fb_info *info)
 204 {
 205         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 206         unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
 207         DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
 208         if (regno >= cmap_entries)
 209                 return 1;
 210         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 211                 /*
 212                  * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
 213                  */
 214                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 215                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 216         }
 217         switch (info->var.bits_per_pixel) {
 218         case 8:
 219                 outb(0x1A, 0x3C4);
 220                 sr1a = inb(0x3C5);
 221                 outb(0x1B, 0x3C4);
 222                 sr1b = inb(0x3C5);
 223                 outb(0x67, 0x3D4);
 224                 cr67 = inb(0x3D5);
 225                 outb(0x6A, 0x3D4);
 226                 cr6a = inb(0x3D5);
 227
 228                 /* Map the 3C6/7/8/9 to the IGA2 */
 229                 outb(0x1A, 0x3C4);
 230                 outb(sr1a | 0x01, 0x3C5);
 231                 /* Second Display Engine colck always on */
 232                 outb(0x1B, 0x3C4);
 233                 outb(sr1b | 0x80, 0x3C5);
 234                 /* Second Display Color Depth 8 */
 235                 outb(0x67, 0x3D4);
 236                 outb(cr67 & 0x3F, 0x3D5);
 237                 outb(0x6A, 0x3D4);
 238                 /* Second Display Channel Reset CR6A[6]) */
 239                 outb(cr6a & 0xBF, 0x3D5);
 240                 /* Second Display Channel Enable CR6A[7] */
 241                 outb(cr6a | 0x80, 0x3D5);
 242                 /* Second Display Channel stop reset) */
 243                 outb(cr6a | 0x40, 0x3D5);
 244
 245                 /* Bit mask of palette */
 246                 outb(0xFF, 0x3c6);
 247                 /* Write one register of IGA2 */
 248                 outb(regno, 0x3C8);
 249                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 250                         rev >= 15) {
 251                         shift = 8;
 252                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 253                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 254                 } else {
 255                         shift = 10;
 256                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 257                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 258                 }
 259                 outb(red >> shift, 0x3C9);
 260                 outb(green >> shift, 0x3C9);
 261                 outb(blue >> shift, 0x3C9);
 262
 263                 /* Map the 3C6/7/8/9 to the IGA1 */
 264                 outb(0x1A, 0x3C4);
 265                 outb(sr1a & 0xFE, 0x3C5);
 266                 /* Bit mask of palette */
 267                 outb(0xFF, 0x3c6);
 268                 /* Write one register of IGA1 */
 269                 outb(regno, 0x3C8);
 270                 outb(red >> shift, 0x3C9);
 271                 outb(green >> shift, 0x3C9);
 272                 outb(blue >> shift, 0x3C9);
 273
 274                 outb(0x1A, 0x3C4);
 275                 outb(sr1a, 0x3C5);
 276                 outb(0x1B, 0x3C4);
 277                 outb(sr1b, 0x3C5);
 278                 outb(0x67, 0x3D4);
 279                 outb(cr67, 0x3D5);
 280                 outb(0x6A, 0x3D4);
 281                 outb(cr6a, 0x3D5);
 282                 break;
 283         case 16:
 284                 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
 285                     ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
 286                 break;
 287         case 32:
 288                 ((u32 *) info->pseudo_palette)[regno] =
 289                     ((transp & 0xFF00) << 16) |
 290                     ((red & 0xFF00) << 8) |
 291                     ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
 292                 break;
 293         }
 294
 295         return 0;
 296
 297 }
 298
 299 /*CALLED BY: fb_set_cmap */
 300 /*           fb_set_var, pass 256 colors */
 301 /*CALLED BY: fb_set_cmap */
 302 /*           fbcon_set_palette, pass 16 colors */
 303 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 304 {
 305         u32 len = cmap->len;
 306         u32 i;
 307         u16 *pred = cmap->red;
 308         u16 *pgreen = cmap->green;
 309         u16 *pblue = cmap->blue;
 310         u16 *ptransp = cmap->transp;
 311         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 312         if (len > 256)
 313                 return 1;
 314         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 315                 /*
 316                  * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
 317                  * rev.
 318                  */
 319                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 320                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 321         }
 322         switch (info->var.bits_per_pixel) {
 323         case 8:
 324                 outb(0x1A, 0x3C4);
 325                 sr1a = inb(0x3C5);
 326                 outb(0x1B, 0x3C4);
 327                 sr1b = inb(0x3C5);
 328                 outb(0x67, 0x3D4);
 329                 cr67 = inb(0x3D5);
 330                 outb(0x6A, 0x3D4);
 331                 cr6a = inb(0x3D5);
 332                 /* Map the 3C6/7/8/9 to the IGA2 */
 333                 outb(0x1A, 0x3C4);
 334                 outb(sr1a | 0x01, 0x3C5);
 335                 outb(0x1B, 0x3C4);
 336                 /* Second Display Engine colck always on */
 337                 outb(sr1b | 0x80, 0x3C5);
 338                 outb(0x67, 0x3D4);
 339                 /* Second Display Color Depth 8 */
 340                 outb(cr67 & 0x3F, 0x3D5);
 341                 outb(0x6A, 0x3D4);
 342                 /* Second Display Channel Reset CR6A[6]) */
 343                 outb(cr6a & 0xBF, 0x3D5);
 344                 /* Second Display Channel Enable CR6A[7] */
 345                 outb(cr6a | 0x80, 0x3D5);
 346                 /* Second Display Channel stop reset) */
 347                 outb(cr6a | 0xC0, 0x3D5);
 348
 349                 /* Bit mask of palette */
 350                 outb(0xFF, 0x3c6);
 351                 outb(0x00, 0x3C8);
 352                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 353                         rev >= 15) {
 354                         shift = 8;
 355                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 356                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 357                 } else {
 358                         shift = 10;
 359                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 360                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 361                 }
 362                 for (i = 0; i < len; i++) {
 363                         outb((*(pred + i)) >> shift, 0x3C9);
 364                         outb((*(pgreen + i)) >> shift, 0x3C9);
 365                         outb((*(pblue + i)) >> shift, 0x3C9);
 366                 }
 367
 368                 outb(0x1A, 0x3C4);
 369                 /* Map the 3C6/7/8/9 to the IGA1 */
 370                 outb(sr1a & 0xFE, 0x3C5);
 371                 /* Bit mask of palette */
 372                 outb(0xFF, 0x3c6);
 373                 outb(0x00, 0x3C8);
 374                 for (i = 0; i < len; i++) {
 375                         outb((*(pred + i)) >> shift, 0x3C9);
 376                         outb((*(pgreen + i)) >> shift, 0x3C9);
 377                         outb((*(pblue + i)) >> shift, 0x3C9);
 378                 }
 379
 380                 outb(0x1A, 0x3C4);
 381                 outb(sr1a, 0x3C5);
 382                 outb(0x1B, 0x3C4);
 383                 outb(sr1b, 0x3C5);
 384                 outb(0x67, 0x3D4);
 385                 outb(cr67, 0x3D5);
 386                 outb(0x6A, 0x3D4);
 387                 outb(cr6a, 0x3D5);
 388                 break;
 389         case 16:
 390                 if (len > 17)
 391                         return 0;       /* Because static u32 pseudo_pal[17]; */
 392                 for (i = 0; i < len; i++)
 393                         ((u32 *) info->pseudo_palette)[i] =
 394                             (*(pred + i) & 0xF800) |
 395                             ((*(pgreen + i) & 0xFC00) >> 5) |
 396                             ((*(pblue + i) & 0xF800) >> 11);
 397                 break;
 398         case 32:
 399                 if (len > 17)
 400                         return 0;
 401                 if (ptransp) {
 402                         for (i = 0; i < len; i++)
 403                                 ((u32 *) info->pseudo_palette)[i] =
 404                                     ((*(ptransp + i) & 0xFF00) << 16) |
 405                                     ((*(pred + i) & 0xFF00) << 8) |
 406                                     ((*(pgreen + i) & 0xFF00)) |
 407                                     ((*(pblue + i) & 0xFF00) >> 8);
 408                 } else {
 409                         for (i = 0; i < len; i++)
 410                                 ((u32 *) info->pseudo_palette)[i] =
 411                                     0x00000000 |
 412                                     ((*(pred + i) & 0xFF00) << 8) |
 413                                     ((*(pgreen + i) & 0xFF00)) |
 414                                     ((*(pblue + i) & 0xFF00) >> 8);
 415                 }
 416                 break;
 417         }
 418         return 0;
 419 }
 420
 421 static int viafb_pan_display(struct fb_var_screeninfo *var,
 422         struct fb_info *info)
 423 {
 424         unsigned int offset;
 425
 426         DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
 427
 428         offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
 429             var->bits_per_pixel / 16;
 430
 431         DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
 432         viafb_set_primary_address(offset);
 433         return 0;
 434 }
 435
 436 static int viafb_blank(int blank_mode, struct fb_info *info)
 437 {
 438         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 439         /* clear DPMS setting */
 440
 441         switch (blank_mode) {
 442         case FB_BLANK_UNBLANK:
 443                 /* Screen: On, HSync: On, VSync: On */
 444                 /* control CRT monitor power management */
 445                 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
 446                 break;
 447         case FB_BLANK_HSYNC_SUSPEND:
 448                 /* Screen: Off, HSync: Off, VSync: On */
 449                 /* control CRT monitor power management */
 450                 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
 451                 break;
 452         case FB_BLANK_VSYNC_SUSPEND:
 453                 /* Screen: Off, HSync: On, VSync: Off */
 454                 /* control CRT monitor power management */
 455                 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
 456                 break;
 457         case FB_BLANK_POWERDOWN:
 458                 /* Screen: Off, HSync: Off, VSync: Off */
 459                 /* control CRT monitor power management */
 460                 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
 461                 break;
 462         }
 463
 464         return 0;
 465 }
 466
 467 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 468 {
 469         union {
 470                 struct viafb_ioctl_mode viamode;
 471                 struct viafb_ioctl_samm viasamm;
 472                 struct viafb_driver_version driver_version;
 473                 struct fb_var_screeninfo sec_var;
 474                 struct _panel_size_pos_info panel_pos_size_para;
 475                 struct viafb_ioctl_setting viafb_setting;
 476                 struct device_t active_dev;
 477         } u;
 478         u32 state_info = 0;
 479         u32 *viafb_gamma_table;
 480         char driver_name[] = "viafb";
 481
 482         u32 __user *argp = (u32 __user *) arg;
 483         u32 gpu32;
 484
 485         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 486         memset(&u, 0, sizeof(u));
 487
 488         switch (cmd) {
 489         case VIAFB_GET_CHIP_INFO:
 490                 if (copy_to_user(argp, viaparinfo->chip_info,
 491                                 sizeof(struct chip_information)))
 492                         return -EFAULT;
 493                 break;
 494         case VIAFB_GET_INFO_SIZE:
 495                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 496         case VIAFB_GET_INFO:
 497                 return viafb_ioctl_get_viafb_info(arg);
 498         case VIAFB_HOTPLUG:
 499                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 500                                               info->var.yres,
 501                                               info->var.bits_per_pixel), argp);
 502         case VIAFB_SET_HOTPLUG_FLAG:
 503                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 504                         return -EFAULT;
 505                 viafb_hotplug = (gpu32) ? 1 : 0;
 506                 break;
 507         case VIAFB_GET_RESOLUTION:
 508                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 509                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 510                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 511                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 512                 if (viafb_SAMM_ON == 1) {
 513                         u.viamode.xres_sec = viafb_second_xres;
 514                         u.viamode.yres_sec = viafb_second_yres;
 515                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 516                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 517                         u.viamode.refresh_sec = viafb_refresh1;
 518                         u.viamode.bpp_sec = viafb_bpp1;
 519                 } else {
 520                         u.viamode.xres_sec = 0;
 521                         u.viamode.yres_sec = 0;
 522                         u.viamode.virtual_xres_sec = 0;
 523                         u.viamode.virtual_yres_sec = 0;
 524                         u.viamode.refresh_sec = 0;
 525                         u.viamode.bpp_sec = 0;
 526                 }
 527                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 528                         return -EFAULT;
 529                 break;
 530         case VIAFB_GET_SAMM_INFO:
 531                 u.viasamm.samm_status = viafb_SAMM_ON;
 532
 533                 if (viafb_SAMM_ON == 1) {
 534                         if (viafb_dual_fb) {
 535                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 536                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 537                         } else {
 538                                 if (viafb_second_size) {
 539                                         u.viasamm.size_prim =
 540                                             viaparinfo->fbmem_free -
 541                                             viafb_second_size * 1024 * 1024;
 542                                         u.viasamm.size_sec =
 543                                             viafb_second_size * 1024 * 1024;
 544                                 } else {
 545                                         u.viasamm.size_prim =
 546                                             viaparinfo->fbmem_free >> 1;
 547                                         u.viasamm.size_sec =
 548                                             (viaparinfo->fbmem_free >> 1);
 549                                 }
 550                         }
 551                         u.viasamm.mem_base = viaparinfo->fbmem;
 552                         u.viasamm.offset_sec = viafb_second_offset;
 553                 } else {
 554                         u.viasamm.size_prim =
 555                             viaparinfo->memsize - viaparinfo->fbmem_used;
 556                         u.viasamm.size_sec = 0;
 557                         u.viasamm.mem_base = viaparinfo->fbmem;
 558                         u.viasamm.offset_sec = 0;
 559                 }
 560
 561                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 562                         return -EFAULT;
 563
 564                 break;
 565         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 566                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 567                         return -EFAULT;
 568                 if (gpu32 & CRT_Device)
 569                         viafb_crt_enable();
 570                 if (gpu32 & DVI_Device)
 571                         viafb_dvi_enable();
 572                 if (gpu32 & LCD_Device)
 573                         viafb_lcd_enable();
 574                 break;
 575         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 576                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 577                         return -EFAULT;
 578                 if (gpu32 & CRT_Device)
 579                         viafb_crt_disable();
 580                 if (gpu32 & DVI_Device)
 581                         viafb_dvi_disable();
 582                 if (gpu32 & LCD_Device)
 583                         viafb_lcd_disable();
 584                 break;
 585         case VIAFB_SET_DEVICE:
 586                 if (copy_from_user(&u.active_dev, (void *)argp,
 587                         sizeof(u.active_dev)))
 588                         return -EFAULT;
 589                 viafb_set_device(u.active_dev);
 590                 viafb_set_par(info);
 591                 break;
 592         case VIAFB_GET_DEVICE:
 593                 u.active_dev.crt = viafb_CRT_ON;
 594                 u.active_dev.dvi = viafb_DVI_ON;
 595                 u.active_dev.lcd = viafb_LCD_ON;
 596                 u.active_dev.samm = viafb_SAMM_ON;
 597                 u.active_dev.primary_dev = viafb_primary_dev;
 598
 599                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 600                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 601                 u.active_dev.lcd_mode = viafb_lcd_mode;
 602
 603                 u.active_dev.xres = viafb_hotplug_Xres;
 604                 u.active_dev.yres = viafb_hotplug_Yres;
 605
 606                 u.active_dev.xres1 = viafb_second_xres;
 607                 u.active_dev.yres1 = viafb_second_yres;
 608
 609                 u.active_dev.bpp = viafb_bpp;
 610                 u.active_dev.bpp1 = viafb_bpp1;
 611                 u.active_dev.refresh = viafb_refresh;
 612                 u.active_dev.refresh1 = viafb_refresh1;
 613
 614                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 615                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 616                 u.active_dev.bus_width = viafb_bus_width;
 617
 618                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 619                         return -EFAULT;
 620                 break;
 621
 622         case VIAFB_GET_DRIVER_VERSION:
 623                 u.driver_version.iMajorNum = VERSION_MAJOR;
 624                 u.driver_version.iKernelNum = VERSION_KERNEL;
 625                 u.driver_version.iOSNum = VERSION_OS;
 626                 u.driver_version.iMinorNum = VERSION_MINOR;
 627
 628                 if (copy_to_user(argp, &u.driver_version,
 629                         sizeof(u.driver_version)))
 630                         return -EFAULT;
 631
 632                 break;
 633
 634         case VIAFB_SET_DEVICE_INFO:
 635                 if (copy_from_user(&u.viafb_setting,
 636                         argp, sizeof(u.viafb_setting)))
 637                         return -EFAULT;
 638                 if (apply_device_setting(u.viafb_setting, info) < 0)
 639                         return -EINVAL;
 640
 641                 break;
 642
 643         case VIAFB_SET_SECOND_MODE:
 644                 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
 645                         return -EFAULT;
 646                 apply_second_mode_setting(&u.sec_var);
 647                 break;
 648
 649         case VIAFB_GET_DEVICE_INFO:
 650
 651                 retrieve_device_setting(&u.viafb_setting);
 652
 653                 if (copy_to_user(argp, &u.viafb_setting,
 654                                  sizeof(u.viafb_setting)))
 655                         return -EFAULT;
 656
 657                 break;
 658
 659         case VIAFB_GET_DEVICE_SUPPORT:
 660                 viafb_get_device_support_state(&state_info);
 661                 if (put_user(state_info, argp))
 662                         return -EFAULT;
 663                 break;
 664
 665         case VIAFB_GET_DEVICE_CONNECT:
 666                 viafb_get_device_connect_state(&state_info);
 667                 if (put_user(state_info, argp))
 668                         return -EFAULT;
 669                 break;
 670
 671         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 672                 state_info =
 673                     viafb_lcd_get_support_expand_state(info->var.xres,
 674                                                  info->var.yres);
 675                 if (put_user(state_info, argp))
 676                         return -EFAULT;
 677                 break;
 678
 679         case VIAFB_GET_DRIVER_NAME:
 680                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 681                         return -EFAULT;
 682                 break;
 683
 684         case VIAFB_SET_GAMMA_LUT:
 685                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 686                 if (!viafb_gamma_table)
 687                         return -ENOMEM;
 688                 if (copy_from_user(viafb_gamma_table, argp,
 689                                 sizeof(viafb_gamma_table))) {
 690                         kfree(viafb_gamma_table);
 691                         return -EFAULT;
 692                 }
 693                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 694                 kfree(viafb_gamma_table);
 695                 break;
 696
 697         case VIAFB_GET_GAMMA_LUT:
 698                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 699                 if (!viafb_gamma_table)
 700                         return -ENOMEM;
 701                 viafb_get_gamma_table(viafb_gamma_table);
 702                 if (copy_to_user(argp, viafb_gamma_table,
 703                         sizeof(viafb_gamma_table))) {
 704                         kfree(viafb_gamma_table);
 705                         return -EFAULT;
 706                 }
 707                 kfree(viafb_gamma_table);
 708                 break;
 709
 710         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 711                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 712                 if (put_user(state_info, argp))
 713                         return -EFAULT;
 714                 break;
 715         case VIAFB_SYNC_SURFACE:
 716                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 717                 break;
 718         case VIAFB_GET_DRIVER_CAPS:
 719                 break;
 720
 721         case VIAFB_GET_PANEL_MAX_SIZE:
 722                 if (copy_from_user(&u.panel_pos_size_para, argp,
 723                                    sizeof(u.panel_pos_size_para)))
 724                         return -EFAULT;
 725                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 726                 if (copy_to_user(argp, &u.panel_pos_size_para,
 727                      sizeof(u.panel_pos_size_para)))
 728                         return -EFAULT;
 729                 break;
 730         case VIAFB_GET_PANEL_MAX_POSITION:
 731                 if (copy_from_user(&u.panel_pos_size_para, argp,
 732                                    sizeof(u.panel_pos_size_para)))
 733                         return -EFAULT;
 734                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 735                 if (copy_to_user(argp, &u.panel_pos_size_para,
 736                                  sizeof(u.panel_pos_size_para)))
 737                         return -EFAULT;
 738                 break;
 739
 740         case VIAFB_GET_PANEL_POSITION:
 741                 if (copy_from_user(&u.panel_pos_size_para, argp,
 742                                    sizeof(u.panel_pos_size_para)))
 743                         return -EFAULT;
 744                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 745                 if (copy_to_user(argp, &u.panel_pos_size_para,
 746                                  sizeof(u.panel_pos_size_para)))
 747                         return -EFAULT;
 748                 break;
 749         case VIAFB_GET_PANEL_SIZE:
 750                 if (copy_from_user(&u.panel_pos_size_para, argp,
 751                                    sizeof(u.panel_pos_size_para)))
 752                         return -EFAULT;
 753                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 754                 if (copy_to_user(argp, &u.panel_pos_size_para,
 755                                  sizeof(u.panel_pos_size_para)))
 756                         return -EFAULT;
 757                 break;
 758
 759         case VIAFB_SET_PANEL_POSITION:
 760                 if (copy_from_user(&u.panel_pos_size_para, argp,
 761                                    sizeof(u.panel_pos_size_para)))
 762                         return -EFAULT;
 763                 break;
 764         case VIAFB_SET_PANEL_SIZE:
 765                 if (copy_from_user(&u.panel_pos_size_para, argp,
 766                                    sizeof(u.panel_pos_size_para)))
 767                         return -EFAULT;
 768                 break;
 769
 770         default:
 771                 return -EINVAL;
 772         }
 773
 774         return 0;
 775 }
 776
 777 static void viafb_fillrect(struct fb_info *info,
 778         const struct fb_fillrect *rect)
 779 {
 780         u32 col = 0, rop = 0;
 781         int pitch;
 782
 783         if (!viafb_accel) {
 784                 cfb_fillrect(info, rect);
 785                 return;
 786         }
 787
 788         if (!rect->width || !rect->height)
 789                 return;
 790
 791         switch (rect->rop) {
 792         case ROP_XOR:
 793                 rop = 0x5A;
 794                 break;
 795         case ROP_COPY:
 796         default:
 797                 rop = 0xF0;
 798                 break;
 799         }
 800
 801         switch (info->var.bits_per_pixel) {
 802         case 8:
 803                 col = rect->color;
 804                 break;
 805         case 16:
 806                 col = ((u32 *) (info->pseudo_palette))[rect->color];
 807                 break;
 808         case 32:
 809                 col = ((u32 *) (info->pseudo_palette))[rect->color];
 810                 break;
 811         }
 812
 813         /* BitBlt Source Address */
 814         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
 815         /* Source Base Address */
 816         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
 817         /* Destination Base Address */
 818         writel((info->fix.smem_start - viafbinfo->fix.smem_start) >> 3,
 819                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 820         /* Pitch */
 821         pitch = (info->var.xres_virtual + 7) & ~7;
 822         writel(VIA_PITCH_ENABLE |
 823                    (((pitch *
 824                       info->var.bits_per_pixel >> 3) >> 3) |
 825                       (((pitch * info->
 826                       var.bits_per_pixel >> 3) >> 3) << 16)),
 827                       viaparinfo->io_virt + VIA_REG_PITCH);
 828         /* BitBlt Destination Address */
 829         writel(((rect->dy << 16) | rect->dx),
 830                 viaparinfo->io_virt + VIA_REG_DSTPOS);
 831         /* Dimension: width & height */
 832         writel((((rect->height - 1) << 16) | (rect->width - 1)),
 833                 viaparinfo->io_virt + VIA_REG_DIMENSION);
 834         /* Forground color or Destination color */
 835         writel(col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
 836         /* GE Command */
 837         writel((0x01 | 0x2000 | (rop << 24)),
 838                 viaparinfo->io_virt + VIA_REG_GECMD);
 839
 840 }
 841
 842 static void viafb_copyarea(struct fb_info *info,
 843         const struct fb_copyarea *area)
 844 {
 845         u32 dy = area->dy, sy = area->sy, direction = 0x0;
 846         u32 sx = area->sx, dx = area->dx, width = area->width;
 847         int pitch;
 848
 849         DEBUG_MSG(KERN_INFO "viafb_copyarea!!\n");
 850
 851         if (!viafb_accel) {
 852                 cfb_copyarea(info, area);
 853                 return;
 854         }
 855
 856         if (!area->width || !area->height)
 857                 return;
 858
 859         if (sy < dy) {
 860                 dy += area->height - 1;
 861                 sy += area->height - 1;
 862                 direction |= 0x4000;
 863         }
 864
 865         if (sx < dx) {
 866                 dx += width - 1;
 867                 sx += width - 1;
 868                 direction |= 0x8000;
 869         }
 870
 871         /* Source Base Address */
 872         writel((info->fix.smem_start - viafbinfo->fix.smem_start) >> 3,
 873                    viaparinfo->io_virt + VIA_REG_SRCBASE);
 874         /* Destination Base Address */
 875         writel((info->fix.smem_start - viafbinfo->fix.smem_start) >> 3,
 876                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 877         /* Pitch */
 878         pitch = (info->var.xres_virtual + 7) & ~7;
 879         /* VIA_PITCH_ENABLE can be omitted now. */
 880         writel(VIA_PITCH_ENABLE |
 881                    (((pitch *
 882                       info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
 883                                                                 info->var.
 884                                                                 bits_per_pixel
 885                                                                 >> 3) >> 3)
 886                                                               << 16)),
 887                                 viaparinfo->io_virt + VIA_REG_PITCH);
 888         /* BitBlt Source Address */
 889         writel(((sy << 16) | sx), viaparinfo->io_virt + VIA_REG_SRCPOS);
 890         /* BitBlt Destination Address */
 891         writel(((dy << 16) | dx), viaparinfo->io_virt + VIA_REG_DSTPOS);
 892         /* Dimension: width & height */
 893         writel((((area->height - 1) << 16) | (area->width - 1)),
 894                    viaparinfo->io_virt + VIA_REG_DIMENSION);
 895         /* GE Command */
 896         writel((0x01 | direction | (0xCC << 24)),
 897                 viaparinfo->io_virt + VIA_REG_GECMD);
 898
 899 }
 900
 901 static void viafb_imageblit(struct fb_info *info,
 902         const struct fb_image *image)
 903 {
 904         u32 size, bg_col = 0, fg_col = 0, *udata;
 905         int i;
 906         int pitch;
 907
 908         if (!viafb_accel) {
 909                 cfb_imageblit(info, image);
 910                 return;
 911         }
 912
 913         udata = (u32 *) image->data;
 914
 915         switch (info->var.bits_per_pixel) {
 916         case 8:
 917                 bg_col = image->bg_color;
 918                 fg_col = image->fg_color;
 919                 break;
 920         case 16:
 921                 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
 922                 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
 923                 break;
 924         case 32:
 925                 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
 926                 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
 927                 break;
 928         }
 929         size = image->width * image->height;
 930
 931         /* Source Base Address */
 932         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
 933         /* Destination Base Address */
 934         writel((info->fix.smem_start - viafbinfo->fix.smem_start) >> 3,
 935                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 936         /* Pitch */
 937         pitch = (info->var.xres_virtual + 7) & ~7;
 938         writel(VIA_PITCH_ENABLE |
 939                    (((pitch *
 940                       info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
 941                                                                 info->var.
 942                                                                 bits_per_pixel
 943                                                                 >> 3) >> 3)
 944                                                               << 16)),
 945                                 viaparinfo->io_virt + VIA_REG_PITCH);
 946         /* BitBlt Source Address */
 947         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
 948         /* BitBlt Destination Address */
 949         writel(((image->dy << 16) | image->dx),
 950                 viaparinfo->io_virt + VIA_REG_DSTPOS);
 951         /* Dimension: width & height */
 952         writel((((image->height - 1) << 16) | (image->width - 1)),
 953                    viaparinfo->io_virt + VIA_REG_DIMENSION);
 954         /* fb color */
 955         writel(fg_col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
 956         /* bg color */
 957         writel(bg_col, viaparinfo->io_virt + VIA_REG_BGCOLOR);
 958         /* GE Command */
 959         writel(0xCC020142, viaparinfo->io_virt + VIA_REG_GECMD);
 960
 961         for (i = 0; i < size / 4; i++) {
 962                 writel(*udata, viaparinfo->io_virt + VIA_MMIO_BLTBASE);
 963                 udata++;
 964         }
 965
 966 }
 967
 968 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 969 {
 970         u32 temp, xx, yy, bg_col = 0, fg_col = 0;
 971         int i, j = 0;
 972         static int hw_cursor;
 973         struct viafb_par *p_viafb_par;
 974
 975         if (viafb_accel)
 976                 hw_cursor = 1;
 977
 978         if (!viafb_accel) {
 979                 if (hw_cursor) {
 980                         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 981                         hw_cursor = 0;
 982                 }
 983                 return -ENODEV;
 984         }
 985
 986         if ((((struct viafb_par *)(info->par))->iga_path == IGA2)
 987             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
 988                 return -ENODEV;
 989
 990         /* When duoview and using lcd , use soft cursor */
 991         if (viafb_LCD_ON || (!viafb_SAMM_ON &&
 992                 viafb_LCD2_ON + viafb_DVI_ON + viafb_CRT_ON == 2))
 993                 return -ENODEV;
 994
 995         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 996         viacursor = *cursor;
 997
 998         if (cursor->set & FB_CUR_SETHOT) {
 999                 viacursor.hot = cursor->hot;
1000                 temp = ((viacursor.hot.x) << 16) + viacursor.hot.y;
1001                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_ORG);
1002         }
1003
1004         if (cursor->set & FB_CUR_SETPOS) {
1005                 viacursor.image.dx = cursor->image.dx;
1006                 viacursor.image.dy = cursor->image.dy;
1007                 yy = cursor->image.dy - info->var.yoffset;
1008                 xx = cursor->image.dx - info->var.xoffset;
1009                 temp = yy & 0xFFFF;
1010                 temp |= (xx << 16);
1011                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_POS);
1012         }
1013
1014         if (cursor->set & FB_CUR_SETSIZE) {
1015                 temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1016
1017                 if ((cursor->image.width <= 32)
1018                     && (cursor->image.height <= 32)) {
1019                         MAX_CURS = 32;
1020                         temp |= 0x2;
1021                 } else if ((cursor->image.width <= 64)
1022                            && (cursor->image.height <= 64)) {
1023                         MAX_CURS = 64;
1024                         temp &= 0xFFFFFFFD;
1025                 } else {
1026                         DEBUG_MSG(KERN_INFO
1027                         "The cursor image is biger than 64x64 bits...\n");
1028                         return -ENXIO;
1029                 }
1030                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1031
1032                 viacursor.image.height = cursor->image.height;
1033                 viacursor.image.width = cursor->image.width;
1034         }
1035
1036         if (cursor->set & FB_CUR_SETCMAP) {
1037                 viacursor.image.fg_color = cursor->image.fg_color;
1038                 viacursor.image.bg_color = cursor->image.bg_color;
1039
1040                 switch (info->var.bits_per_pixel) {
1041                 case 8:
1042                 case 16:
1043                 case 32:
1044                         bg_col =
1045                             (0xFF << 24) |
1046                             (((info->cmap.red)[viacursor.image.bg_color] &
1047                             0xFF00) << 8) |
1048                             ((info->cmap.green)[viacursor.image.bg_color] &
1049                             0xFF00) |
1050                             (((info->cmap.blue)[viacursor.image.bg_color] &
1051                             0xFF00) >> 8);
1052                         fg_col =
1053                             (0xFF << 24) |
1054                             (((info->cmap.red)[viacursor.image.fg_color] &
1055                             0xFF00) << 8) |
1056                             ((info->cmap.green)[viacursor.image.fg_color] &
1057                             0xFF00) |
1058                             (((info->cmap.blue)[viacursor.image.fg_color] &
1059                             0xFF00) >> 8);
1060                         break;
1061                 default:
1062                         return 0;
1063                 }
1064
1065                 /* This is indeed a patch for VT3324/VT3353 */
1066                 if (!info->par)
1067                         return 0;
1068                 p_viafb_par = (struct viafb_par *)info->par;
1069
1070                 if ((p_viafb_par->chip_info->gfx_chip_name ==
1071                         UNICHROME_CX700) ||
1072                         ((p_viafb_par->chip_info->gfx_chip_name ==
1073                         UNICHROME_VX800))) {
1074                         bg_col =
1075                             (((info->cmap.red)[viacursor.image.bg_color] &
1076                             0xFFC0) << 14) |
1077                             (((info->cmap.green)[viacursor.image.bg_color] &
1078                             0xFFC0) << 4) |
1079                             (((info->cmap.blue)[viacursor.image.bg_color] &
1080                             0xFFC0) >> 6);
1081                         fg_col =
1082                             (((info->cmap.red)[viacursor.image.fg_color] &
1083                             0xFFC0) << 14) |
1084                             (((info->cmap.green)[viacursor.image.fg_color] &
1085                             0xFFC0) << 4) |
1086                             (((info->cmap.blue)[viacursor.image.fg_color] &
1087                             0xFFC0) >> 6);
1088                 }
1089
1090                 writel(bg_col, viaparinfo->io_virt + VIA_REG_CURSOR_BG);
1091                 writel(fg_col, viaparinfo->io_virt + VIA_REG_CURSOR_FG);
1092         }
1093
1094         if (cursor->set & FB_CUR_SETSHAPE) {
1095                 struct {
1096                         u8 data[CURSOR_SIZE / 8];
1097                         u32 bak[CURSOR_SIZE / 32];
1098                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
1099                 int size =
1100                     ((viacursor.image.width + 7) >> 3) *
1101                     viacursor.image.height;
1102
1103                 if (cr_data == NULL)
1104                         goto out;
1105
1106                 if (MAX_CURS == 32) {
1107                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1108                                 cr_data->bak[i] = 0x0;
1109                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
1110                                 i += 1;
1111                         }
1112                 } else if (MAX_CURS == 64) {
1113                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1114                                 cr_data->bak[i] = 0x0;
1115                                 cr_data->bak[i + 1] = 0x0;
1116                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
1117                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
1118                                 i += 3;
1119                         }
1120                 }
1121
1122                 switch (viacursor.rop) {
1123                 case ROP_XOR:
1124                         for (i = 0; i < size; i++)
1125                                 cr_data->data[i] = viacursor.mask[i];
1126                         break;
1127                 case ROP_COPY:
1128
1129                         for (i = 0; i < size; i++)
1130                                 cr_data->data[i] = viacursor.mask[i];
1131                         break;
1132                 default:
1133                         break;
1134                 }
1135
1136                 if (MAX_CURS == 32) {
1137                         for (i = 0; i < size; i++) {
1138                                 cr_data->bak[j] = (u32) cr_data->data[i];
1139                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
1140                                 j += 2;
1141                         }
1142                 } else if (MAX_CURS == 64) {
1143                         for (i = 0; i < size; i++) {
1144                                 cr_data->bak[j] = (u32) cr_data->data[i];
1145                                 cr_data->bak[j + 1] = 0x0;
1146                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
1147                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
1148                                 j += 4;
1149                         }
1150                 }
1151
1152                 memcpy(viafbinfo->screen_base +
1153                        ((struct viafb_par *)(info->par))->cursor_start,
1154                        cr_data->bak, CURSOR_SIZE);
1155 out:
1156                 kfree(cr_data);
1157         }
1158
1159         if (viacursor.enable)
1160                 viafb_show_hw_cursor(info, HW_Cursor_ON);
1161
1162         return 0;
1163 }
1164
1165 static int viafb_sync(struct fb_info *info)
1166 {
1167         if (viafb_accel)
1168                 viafb_wait_engine_idle();
1169         return 0;
1170 }
1171
1172 int viafb_get_mode_index(int hres, int vres)
1173 {
1174         u32 i;
1175         DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
1176
1177         for (i = 0; i < NUM_TOTAL_MODETABLE; i++)
1178                 if (CLE266Modes[i].mode_array &&
1179                         CLE266Modes[i].crtc[0].crtc.hor_addr == hres &&
1180                         CLE266Modes[i].crtc[0].crtc.ver_addr == vres)
1181                         break;
1182
1183         if (i == NUM_TOTAL_MODETABLE)
1184                 return VIA_RES_INVALID;
1185
1186         return CLE266Modes[i].ModeIndex;
1187 }
1188
1189 static void check_available_device_to_enable(int device_id)
1190 {
1191         int device_num = 0;
1192
1193         /* Initialize: */
1194         viafb_CRT_ON = STATE_OFF;
1195         viafb_DVI_ON = STATE_OFF;
1196         viafb_LCD_ON = STATE_OFF;
1197         viafb_LCD2_ON = STATE_OFF;
1198         viafb_DeviceStatus = None_Device;
1199
1200         if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1201                 viafb_CRT_ON = STATE_ON;
1202                 device_num++;
1203                 viafb_DeviceStatus |= CRT_Device;
1204         }
1205
1206         if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1207                 viafb_DVI_ON = STATE_ON;
1208                 device_num++;
1209                 viafb_DeviceStatus |= DVI_Device;
1210         }
1211
1212         if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1213                 viafb_LCD_ON = STATE_ON;
1214                 device_num++;
1215                 viafb_DeviceStatus |= LCD_Device;
1216         }
1217
1218         if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1219                 viafb_LCD2_ON = STATE_ON;
1220                 device_num++;
1221                 viafb_DeviceStatus |= LCD2_Device;
1222         }
1223
1224         if (viafb_DeviceStatus == None_Device) {
1225                 /* Use CRT as default active device: */
1226                 viafb_CRT_ON = STATE_ON;
1227                 viafb_DeviceStatus = CRT_Device;
1228         }
1229         DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1230 }
1231
1232 static void viafb_set_device(struct device_t active_dev)
1233 {
1234         /* Check available device to enable: */
1235         int device_id = None_Device;
1236         if (active_dev.crt)
1237                 device_id |= CRT_Device;
1238         if (active_dev.dvi)
1239                 device_id |= DVI_Device;
1240         if (active_dev.lcd)
1241                 device_id |= LCD_Device;
1242
1243         check_available_device_to_enable(device_id);
1244
1245         /* Check property of LCD: */
1246         if (viafb_LCD_ON) {
1247                 if (active_dev.lcd_dsp_cent) {
1248                         viaparinfo->lvds_setting_info->display_method =
1249                                 viafb_lcd_dsp_method = LCD_CENTERING;
1250                 } else {
1251                         viaparinfo->lvds_setting_info->display_method =
1252                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1253                 }
1254
1255                 if (active_dev.lcd_mode == LCD_SPWG) {
1256                         viaparinfo->lvds_setting_info->lcd_mode =
1257                                 viafb_lcd_mode = LCD_SPWG;
1258                 } else {
1259                         viaparinfo->lvds_setting_info->lcd_mode =
1260                                 viafb_lcd_mode = LCD_OPENLDI;
1261                 }
1262
1263                 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1264                         viafb_lcd_panel_id = active_dev.lcd_panel_id;
1265                         viafb_init_lcd_size();
1266                 }
1267         }
1268
1269         /* Check property of mode: */
1270         if (!active_dev.xres1)
1271                 viafb_second_xres = 640;
1272         else
1273                 viafb_second_xres = active_dev.xres1;
1274         if (!active_dev.yres1)
1275                 viafb_second_yres = 480;
1276         else
1277                 viafb_second_yres = active_dev.yres1;
1278         if (active_dev.bpp != 0)
1279                 viafb_bpp = active_dev.bpp;
1280         if (active_dev.bpp1 != 0)
1281                 viafb_bpp1 = active_dev.bpp1;
1282         if (active_dev.refresh != 0)
1283                 viafb_refresh = active_dev.refresh;
1284         if (active_dev.refresh1 != 0)
1285                 viafb_refresh1 = active_dev.refresh1;
1286         if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1287                 viafb_SAMM_ON = active_dev.samm;
1288         viafb_primary_dev = active_dev.primary_dev;
1289
1290         viafb_set_primary_address(0);
1291         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1292         viafb_set_iga_path();
1293 }
1294
1295 static int get_primary_device(void)
1296 {
1297         int primary_device = 0;
1298         /* Rule: device on iga1 path are the primary device. */
1299         if (viafb_SAMM_ON) {
1300                 if (viafb_CRT_ON) {
1301                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1302                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1303                                         viaparinfo->
1304                                         crt_setting_info->iga_path);
1305                                 primary_device = CRT_Device;
1306                         }
1307                 }
1308                 if (viafb_DVI_ON) {
1309                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1310                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1311                                         viaparinfo->
1312                                         tmds_setting_info->iga_path);
1313                                 primary_device = DVI_Device;
1314                         }
1315                 }
1316                 if (viafb_LCD_ON) {
1317                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1318                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1319                                         viaparinfo->
1320                                         lvds_setting_info->iga_path);
1321                                 primary_device = LCD_Device;
1322                         }
1323                 }
1324                 if (viafb_LCD2_ON) {
1325                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1326                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1327                                         viaparinfo->
1328                                         lvds_setting_info2->iga_path);
1329                                 primary_device = LCD2_Device;
1330                         }
1331                 }
1332         }
1333         return primary_device;
1334 }
1335
1336 static void apply_second_mode_setting(struct fb_var_screeninfo
1337         *sec_var)
1338 {
1339         u32 htotal, vtotal, long_refresh;
1340
1341         htotal = sec_var->xres + sec_var->left_margin +
1342                 sec_var->right_margin + sec_var->hsync_len;
1343         vtotal = sec_var->yres + sec_var->upper_margin +
1344                 sec_var->lower_margin + sec_var->vsync_len;
1345         if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1346                 /*Is 32 bytes alignment? */
1347                 /*32 pixel alignment */
1348                 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1349         }
1350
1351         htotal = sec_var->xres + sec_var->left_margin +
1352                 sec_var->right_margin + sec_var->hsync_len;
1353         vtotal = sec_var->yres + sec_var->upper_margin +
1354                 sec_var->lower_margin + sec_var->vsync_len;
1355         long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1356         long_refresh /= (htotal * vtotal);
1357
1358         viafb_second_xres = sec_var->xres;
1359         viafb_second_yres = sec_var->yres;
1360         viafb_second_virtual_xres = sec_var->xres_virtual;
1361         viafb_second_virtual_yres = sec_var->yres_virtual;
1362         viafb_bpp1 = sec_var->bits_per_pixel;
1363         viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1364                 long_refresh);
1365 }
1366
1367 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1368         struct fb_info *info)
1369 {
1370         int need_set_mode = 0;
1371         DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1372
1373         if (setting_info.device_flag) {
1374                 need_set_mode = 1;
1375                 check_available_device_to_enable(setting_info.device_status);
1376         }
1377
1378         /* Unlock LCD's operation according to LCD flag
1379            and check if the setting value is valid. */
1380         /* If the value is valid, apply the new setting value to the device. */
1381         if (viafb_LCD_ON) {
1382                 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1383                         need_set_mode = 1;
1384                         if (setting_info.lcd_attributes.display_center) {
1385                                 /* Centering */
1386                                 viaparinfo->lvds_setting_info->display_method =
1387                                     LCD_CENTERING;
1388                                 viafb_lcd_dsp_method = LCD_CENTERING;
1389                                 viaparinfo->lvds_setting_info2->display_method =
1390                                     viafb_lcd_dsp_method = LCD_CENTERING;
1391                         } else {
1392                                 /* expandsion */
1393                                 viaparinfo->lvds_setting_info->display_method =
1394                                     LCD_EXPANDSION;
1395                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1396                                 viaparinfo->lvds_setting_info2->display_method =
1397                                     LCD_EXPANDSION;
1398                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1399                         }
1400                 }
1401
1402                 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1403                         need_set_mode = 1;
1404                         if (setting_info.lcd_attributes.lcd_mode ==
1405                                 LCD_SPWG) {
1406                                 viaparinfo->lvds_setting_info->lcd_mode =
1407                                         viafb_lcd_mode = LCD_SPWG;
1408                         } else {
1409                                 viaparinfo->lvds_setting_info->lcd_mode =
1410                                         viafb_lcd_mode = LCD_OPENLDI;
1411                         }
1412                         viaparinfo->lvds_setting_info2->lcd_mode =
1413                             viaparinfo->lvds_setting_info->lcd_mode;
1414                 }
1415
1416                 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1417                         need_set_mode = 1;
1418                         if (setting_info.lcd_attributes.panel_id <=
1419                             LCD_PANEL_ID_MAXIMUM) {
1420                                 viafb_lcd_panel_id =
1421                                     setting_info.lcd_attributes.panel_id;
1422                                 viafb_init_lcd_size();
1423                         }
1424                 }
1425         }
1426
1427         if (0 != (setting_info.samm_status & OP_SAMM)) {
1428                 setting_info.samm_status =
1429                     setting_info.samm_status & (~OP_SAMM);
1430                 if (setting_info.samm_status == 0
1431                     || setting_info.samm_status == 1) {
1432                         viafb_SAMM_ON = setting_info.samm_status;
1433
1434                         if (viafb_SAMM_ON)
1435                                 viafb_primary_dev = setting_info.primary_device;
1436
1437                         viafb_set_primary_address(0);
1438                         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1439                         viafb_set_iga_path();
1440                 }
1441                 need_set_mode = 1;
1442         }
1443
1444         if (!need_set_mode) {
1445                 ;
1446         } else {
1447                 viafb_set_iga_path();
1448                 viafb_set_par(info);
1449         }
1450         return true;
1451 }
1452
1453 static void retrieve_device_setting(struct viafb_ioctl_setting
1454         *setting_info)
1455 {
1456
1457         /* get device status */
1458         if (viafb_CRT_ON == 1)
1459                 setting_info->device_status = CRT_Device;
1460         if (viafb_DVI_ON == 1)
1461                 setting_info->device_status |= DVI_Device;
1462         if (viafb_LCD_ON == 1)
1463                 setting_info->device_status |= LCD_Device;
1464         if (viafb_LCD2_ON == 1)
1465                 setting_info->device_status |= LCD2_Device;
1466
1467         setting_info->samm_status = viafb_SAMM_ON;
1468         setting_info->primary_device = get_primary_device();
1469
1470         setting_info->first_dev_bpp = viafb_bpp;
1471         setting_info->second_dev_bpp = viafb_bpp1;
1472
1473         setting_info->first_dev_refresh = viafb_refresh;
1474         setting_info->second_dev_refresh = viafb_refresh1;
1475
1476         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1477         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1478         setting_info->second_dev_hor_res = viafb_second_xres;
1479         setting_info->second_dev_ver_res = viafb_second_yres;
1480
1481         /* Get lcd attributes */
1482         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1483         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1484         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1485 }
1486
1487 static void parse_active_dev(void)
1488 {
1489         viafb_CRT_ON = STATE_OFF;
1490         viafb_DVI_ON = STATE_OFF;
1491         viafb_LCD_ON = STATE_OFF;
1492         viafb_LCD2_ON = STATE_OFF;
1493         /* 1. Modify the active status of devices. */
1494         /* 2. Keep the order of devices, so we can set corresponding
1495            IGA path to devices in SAMM case. */
1496         /*    Note: The previous of active_dev is primary device,
1497            and the following is secondary device. */
1498         if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
1499                 /* CRT+DVI */
1500                 viafb_CRT_ON = STATE_ON;
1501                 viafb_DVI_ON = STATE_ON;
1502                 viafb_primary_dev = CRT_Device;
1503         } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
1504                 /* DVI+CRT */
1505                 viafb_CRT_ON = STATE_ON;
1506                 viafb_DVI_ON = STATE_ON;
1507                 viafb_primary_dev = DVI_Device;
1508         } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
1509                 /* CRT+LCD */
1510                 viafb_CRT_ON = STATE_ON;
1511                 viafb_LCD_ON = STATE_ON;
1512                 viafb_primary_dev = CRT_Device;
1513         } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
1514                 /* LCD+CRT */
1515                 viafb_CRT_ON = STATE_ON;
1516                 viafb_LCD_ON = STATE_ON;
1517                 viafb_primary_dev = LCD_Device;
1518         } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
1519                 /* DVI+LCD */
1520                 viafb_DVI_ON = STATE_ON;
1521                 viafb_LCD_ON = STATE_ON;
1522                 viafb_primary_dev = DVI_Device;
1523         } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
1524                 /* LCD+DVI */
1525                 viafb_DVI_ON = STATE_ON;
1526                 viafb_LCD_ON = STATE_ON;
1527                 viafb_primary_dev = LCD_Device;
1528         } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
1529                 viafb_LCD_ON = STATE_ON;
1530                 viafb_LCD2_ON = STATE_ON;
1531                 viafb_primary_dev = LCD_Device;
1532         } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
1533                 viafb_LCD_ON = STATE_ON;
1534                 viafb_LCD2_ON = STATE_ON;
1535                 viafb_primary_dev = LCD2_Device;
1536         } else if (!strncmp(viafb_active_dev, "CRT", 3)) {
1537                 /* CRT only */
1538                 viafb_CRT_ON = STATE_ON;
1539                 viafb_SAMM_ON = STATE_OFF;
1540         } else if (!strncmp(viafb_active_dev, "DVI", 3)) {
1541                 /* DVI only */
1542                 viafb_DVI_ON = STATE_ON;
1543                 viafb_SAMM_ON = STATE_OFF;
1544         } else if (!strncmp(viafb_active_dev, "LCD", 3)) {
1545                 /* LCD only */
1546                 viafb_LCD_ON = STATE_ON;
1547                 viafb_SAMM_ON = STATE_OFF;
1548         } else {
1549                 viafb_CRT_ON = STATE_ON;
1550                 viafb_SAMM_ON = STATE_OFF;
1551         }
1552 }
1553
1554 static int parse_port(char *opt_str, int *output_interface)
1555 {
1556         if (!strncmp(opt_str, "DVP0", 4))
1557                 *output_interface = INTERFACE_DVP0;
1558         else if (!strncmp(opt_str, "DVP1", 4))
1559                 *output_interface = INTERFACE_DVP1;
1560         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1561                 *output_interface = INTERFACE_DFP;
1562         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1563                 *output_interface = INTERFACE_DFP_HIGH;
1564         else if (!strncmp(opt_str, "DFP_LOW", 7))
1565                 *output_interface = INTERFACE_DFP_LOW;
1566         else
1567                 *output_interface = INTERFACE_NONE;
1568         return 0;
1569 }
1570
1571 static void parse_lcd_port(void)
1572 {
1573         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1574                 output_interface);
1575         /*Initialize to avoid unexpected behavior */
1576         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1577         INTERFACE_NONE;
1578
1579         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1580                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1581                   output_interface);
1582 }
1583
1584 static void parse_dvi_port(void)
1585 {
1586         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1587                 output_interface);
1588
1589         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1590                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1591                   output_interface);
1592 }
1593
1594 /*
1595  * The proc filesystem read/write function, a simple proc implement to
1596  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1597  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1598  * CR9B,    SR65,    CR97,    CR99
1599  */
1600 static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset,
1601 int count, int *eof, void *data)
1602 {
1603         int len = 0;
1604         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1605         dvp0_data_dri =
1606             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1607             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1608         dvp0_clk_dri =
1609             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1610             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1611         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1612         len +=
1613             sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1614         *eof = 1;               /*Inform kernel end of data */
1615         return len;
1616 }
1617 static int viafb_dvp0_proc_write(struct file *file,
1618         const char __user *buffer, unsigned long count, void *data)
1619 {
1620         char buf[20], *value, *pbuf;
1621         u8 reg_val = 0;
1622         unsigned long length, i;
1623         if (count < 1)
1624                 return -EINVAL;
1625         length = count > 20 ? 20 : count;
1626         if (copy_from_user(&buf[0], buffer, length))
1627                 return -EFAULT;
1628         buf[length - 1] = '\0'; /*Ensure end string */
1629         pbuf = &buf[0];
1630         for (i = 0; i < 3; i++) {
1631                 value = strsep(&pbuf, " ");
1632                 if (value != NULL) {
1633                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1634                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1635                                   reg_val);
1636                         switch (i) {
1637                         case 0:
1638                                 viafb_write_reg_mask(CR96, VIACR,
1639                                         reg_val, 0x0f);
1640                                 break;
1641                         case 1:
1642                                 viafb_write_reg_mask(SR2A, VIASR,
1643                                         reg_val << 4, BIT5);
1644                                 viafb_write_reg_mask(SR1B, VIASR,
1645                                         reg_val << 1, BIT1);
1646                                 break;
1647                         case 2:
1648                                 viafb_write_reg_mask(SR2A, VIASR,
1649                                         reg_val << 3, BIT4);
1650                                 viafb_write_reg_mask(SR1E, VIASR,
1651                                         reg_val << 2, BIT2);
1652                                 break;
1653                         default:
1654                                 break;
1655                         }
1656                 } else {
1657                         break;
1658                 }
1659         }
1660         return count;
1661 }
1662 static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset,
1663         int count, int *eof, void *data)
1664 {
1665         int len = 0;
1666         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1667         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1668         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1669         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1670         len +=
1671             sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1672         *eof = 1;               /*Inform kernel end of data */
1673         return len;
1674 }
1675 static int viafb_dvp1_proc_write(struct file *file,
1676         const char __user *buffer, unsigned long count, void *data)
1677 {
1678         char buf[20], *value, *pbuf;
1679         u8 reg_val = 0;
1680         unsigned long length, i;
1681         if (count < 1)
1682                 return -EINVAL;
1683         length = count > 20 ? 20 : count;
1684         if (copy_from_user(&buf[0], buffer, length))
1685                 return -EFAULT;
1686         buf[length - 1] = '\0'; /*Ensure end string */
1687         pbuf = &buf[0];
1688         for (i = 0; i < 3; i++) {
1689                 value = strsep(&pbuf, " ");
1690                 if (value != NULL) {
1691                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1692                         switch (i) {
1693                         case 0:
1694                                 viafb_write_reg_mask(CR9B, VIACR,
1695                                         reg_val, 0x0f);
1696                                 break;
1697                         case 1:
1698                                 viafb_write_reg_mask(SR65, VIASR,
1699                                         reg_val << 2, 0x0c);
1700                                 break;
1701                         case 2:
1702                                 viafb_write_reg_mask(SR65, VIASR,
1703                                         reg_val, 0x03);
1704                                 break;
1705                         default:
1706                                 break;
1707                         }
1708                 } else {
1709                         break;
1710                 }
1711         }
1712         return count;
1713 }
1714
1715 static int viafb_dfph_proc_read(char *buf, char **start, off_t offset,
1716         int count, int *eof, void *data)
1717 {
1718         int len = 0;
1719         u8 dfp_high = 0;
1720         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1721         len += sprintf(buf + len, "%x\n", dfp_high);
1722         *eof = 1;               /*Inform kernel end of data */
1723         return len;
1724 }
1725 static int viafb_dfph_proc_write(struct file *file,
1726         const char __user *buffer, unsigned long count, void *data)
1727 {
1728         char buf[20];
1729         u8 reg_val = 0;
1730         unsigned long length;
1731         if (count < 1)
1732                 return -EINVAL;
1733         length = count > 20 ? 20 : count;
1734         if (copy_from_user(&buf[0], buffer, length))
1735                 return -EFAULT;
1736         buf[length - 1] = '\0'; /*Ensure end string */
1737         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1738         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1739         return count;
1740 }
1741 static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset,
1742         int count, int *eof, void *data)
1743 {
1744         int len = 0;
1745         u8 dfp_low = 0;
1746         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1747         len += sprintf(buf + len, "%x\n", dfp_low);
1748         *eof = 1;               /*Inform kernel end of data */
1749         return len;
1750 }
1751 static int viafb_dfpl_proc_write(struct file *file,
1752         const char __user *buffer, unsigned long count, void *data)
1753 {
1754         char buf[20];
1755         u8 reg_val = 0;
1756         unsigned long length;
1757         if (count < 1)
1758                 return -EINVAL;
1759         length = count > 20 ? 20 : count;
1760         if (copy_from_user(&buf[0], buffer, length))
1761                 return -EFAULT;
1762         buf[length - 1] = '\0'; /*Ensure end string */
1763         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1764         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1765         return count;
1766 }
1767 static int viafb_vt1636_proc_read(char *buf, char **start,
1768         off_t offset, int count, int *eof, void *data)
1769 {
1770         int len = 0;
1771         u8 vt1636_08 = 0, vt1636_09 = 0;
1772         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1773         case VT1636_LVDS:
1774                 vt1636_08 =
1775                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1776                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1777                 vt1636_09 =
1778                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1779                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1780                 len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09);
1781                 break;
1782         default:
1783                 break;
1784         }
1785         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1786         case VT1636_LVDS:
1787                 vt1636_08 =
1788                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1789                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1790                 vt1636_09 =
1791                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1792                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1793                 len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09);
1794                 break;
1795         default:
1796                 break;
1797         }
1798         *eof = 1;               /*Inform kernel end of data */
1799         return len;
1800 }
1801 static int viafb_vt1636_proc_write(struct file *file,
1802         const char __user *buffer, unsigned long count, void *data)
1803 {
1804         char buf[30], *value, *pbuf;
1805         struct IODATA reg_val;
1806         unsigned long length, i;
1807         if (count < 1)
1808                 return -EINVAL;
1809         length = count > 30 ? 30 : count;
1810         if (copy_from_user(&buf[0], buffer, length))
1811                 return -EFAULT;
1812         buf[length - 1] = '\0'; /*Ensure end string */
1813         pbuf = &buf[0];
1814         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1815         case VT1636_LVDS:
1816                 for (i = 0; i < 2; i++) {
1817                         value = strsep(&pbuf, " ");
1818                         if (value != NULL) {
1819                                 strict_strtoul(value, 0,
1820                                         (unsigned long *)&reg_val.Data);
1821                                 switch (i) {
1822                                 case 0:
1823                                         reg_val.Index = 0x08;
1824                                         reg_val.Mask = 0x0f;
1825                                         viafb_gpio_i2c_write_mask_lvds
1826                                             (viaparinfo->lvds_setting_info,
1827                                             &viaparinfo->
1828                                             chip_info->lvds_chip_info,
1829                                              reg_val);
1830                                         break;
1831                                 case 1:
1832                                         reg_val.Index = 0x09;
1833                                         reg_val.Mask = 0x1f;
1834                                         viafb_gpio_i2c_write_mask_lvds
1835                                             (viaparinfo->lvds_setting_info,
1836                                             &viaparinfo->
1837                                             chip_info->lvds_chip_info,
1838                                              reg_val);
1839                                         break;
1840                                 default:
1841                                         break;
1842                                 }
1843                         } else {
1844                                 break;
1845                         }
1846                 }
1847                 break;
1848         default:
1849                 break;
1850         }
1851         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1852         case VT1636_LVDS:
1853                 for (i = 0; i < 2; i++) {
1854                         value = strsep(&pbuf, " ");
1855                         if (value != NULL) {
1856                                 strict_strtoul(value, 0,
1857                                         (unsigned long *)&reg_val.Data);
1858                                 switch (i) {
1859                                 case 0:
1860                                         reg_val.Index = 0x08;
1861                                         reg_val.Mask = 0x0f;
1862                                         viafb_gpio_i2c_write_mask_lvds
1863                                             (viaparinfo->lvds_setting_info2,
1864                                             &viaparinfo->
1865                                             chip_info->lvds_chip_info2,
1866                                              reg_val);
1867                                         break;
1868                                 case 1:
1869                                         reg_val.Index = 0x09;
1870                                         reg_val.Mask = 0x1f;
1871                                         viafb_gpio_i2c_write_mask_lvds
1872                                             (viaparinfo->lvds_setting_info2,
1873                                             &viaparinfo->
1874                                             chip_info->lvds_chip_info2,
1875                                              reg_val);
1876                                         break;
1877                                 default:
1878                                         break;
1879                                 }
1880                         } else {
1881                                 break;
1882                         }
1883                 }
1884                 break;
1885         default:
1886                 break;
1887         }
1888         return count;
1889 }
1890
1891 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
1892 {
1893         struct proc_dir_entry *entry;
1894         *viafb_entry = proc_mkdir("viafb", NULL);
1895         if (viafb_entry) {
1896                 entry = create_proc_entry("dvp0", 0, *viafb_entry);
1897                 if (entry) {
1898                         entry->read_proc = viafb_dvp0_proc_read;
1899                         entry->write_proc = viafb_dvp0_proc_write;
1900                 }
1901                 entry = create_proc_entry("dvp1", 0, *viafb_entry);
1902                 if (entry) {
1903                         entry->read_proc = viafb_dvp1_proc_read;
1904                         entry->write_proc = viafb_dvp1_proc_write;
1905                 }
1906                 entry = create_proc_entry("dfph", 0, *viafb_entry);
1907                 if (entry) {
1908                         entry->read_proc = viafb_dfph_proc_read;
1909                         entry->write_proc = viafb_dfph_proc_write;
1910                 }
1911                 entry = create_proc_entry("dfpl", 0, *viafb_entry);
1912                 if (entry) {
1913                         entry->read_proc = viafb_dfpl_proc_read;
1914                         entry->write_proc = viafb_dfpl_proc_write;
1915                 }
1916                 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
1917                         lvds_chip_name || VT1636_LVDS ==
1918                     viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1919                         entry = create_proc_entry("vt1636", 0, *viafb_entry);
1920                         if (entry) {
1921                                 entry->read_proc = viafb_vt1636_proc_read;
1922                                 entry->write_proc = viafb_vt1636_proc_write;
1923                         }
1924                 }
1925
1926         }
1927 }
1928 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
1929 {
1930         /* no problem if it was not registered */
1931         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1932         remove_proc_entry("dvp1", viafb_entry);
1933         remove_proc_entry("dfph", viafb_entry);
1934         remove_proc_entry("dfpl", viafb_entry);
1935         remove_proc_entry("vt1636", viafb_entry);
1936         remove_proc_entry("vt1625", viafb_entry);
1937         remove_proc_entry("viafb", NULL);
1938 }
1939
1940 static int __devinit via_pci_probe(void)
1941 {
1942         unsigned long default_xres, default_yres;
1943         char *tmpc, *tmpm;
1944         char *tmpc_sec, *tmpm_sec;
1945         int vmode_index;
1946         u32 tmds_length, lvds_length, crt_length, chip_length, viafb_par_length;
1947
1948         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1949
1950         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1951         tmds_length = ALIGN(sizeof(struct tmds_setting_information),
1952                 BITS_PER_LONG/8);
1953         lvds_length = ALIGN(sizeof(struct lvds_setting_information),
1954                 BITS_PER_LONG/8);
1955         crt_length = ALIGN(sizeof(struct lvds_setting_information),
1956                 BITS_PER_LONG/8);
1957         chip_length = ALIGN(sizeof(struct chip_information), BITS_PER_LONG/8);
1958
1959         /* Allocate fb_info and ***_par here, also including some other needed
1960          * variables
1961         */
1962         viafbinfo = framebuffer_alloc(viafb_par_length + 2 * lvds_length +
1963         tmds_length + crt_length + chip_length, NULL);
1964         if (!viafbinfo) {
1965                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1966                 return -ENODEV;
1967         }
1968
1969         viaparinfo = (struct viafb_par *)viafbinfo->par;
1970         viaparinfo->tmds_setting_info = (struct tmds_setting_information *)
1971                 ((unsigned long)viaparinfo + viafb_par_length);
1972         viaparinfo->lvds_setting_info = (struct lvds_setting_information *)
1973                 ((unsigned long)viaparinfo->tmds_setting_info + tmds_length);
1974         viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *)
1975                 ((unsigned long)viaparinfo->lvds_setting_info + lvds_length);
1976         viaparinfo->crt_setting_info = (struct crt_setting_information *)
1977                 ((unsigned long)viaparinfo->lvds_setting_info2 + lvds_length);
1978         viaparinfo->chip_info = (struct chip_information *)
1979                 ((unsigned long)viaparinfo->crt_setting_info + crt_length);
1980
1981         if (viafb_dual_fb)
1982                 viafb_SAMM_ON = 1;
1983         parse_active_dev();
1984         parse_lcd_port();
1985         parse_dvi_port();
1986
1987         /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
1988         if (!viafb_SAMM_ON)
1989                 viafb_dual_fb = 0;
1990
1991         /* Set up I2C bus stuff */
1992         viafb_create_i2c_bus(viaparinfo);
1993
1994         viafb_init_chip_info();
1995         viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize);
1996         viaparinfo->fbmem_free = viaparinfo->memsize;
1997         viaparinfo->fbmem_used = 0;
1998         viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem,
1999                 viaparinfo->memsize);
2000         if (!viafbinfo->screen_base) {
2001                 printk(KERN_INFO "ioremap failed\n");
2002                 return -ENOMEM;
2003         }
2004
2005         viafb_get_mmio_info(&viafbinfo->fix.mmio_start,
2006                 &viafbinfo->fix.mmio_len);
2007         viaparinfo->io_virt = ioremap_nocache(viafbinfo->fix.mmio_start,
2008                 viafbinfo->fix.mmio_len);
2009         if (!viaparinfo->io_virt) {
2010                 printk(KERN_WARNING "ioremap failed: hardware acceleration disabled\n");
2011                 viafb_accel = 0;
2012         }
2013
2014         viafbinfo->node = 0;
2015         viafbinfo->fbops = &viafb_ops;
2016         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
2017
2018         viafbinfo->pseudo_palette = pseudo_pal;
2019         if (viafb_accel) {
2020                 viafb_init_accel();
2021                 viafb_init_2d_engine();
2022                 viafb_hw_cursor_init();
2023         }
2024
2025         if (viafb_second_size && (viafb_second_size < 8)) {
2026                 viafb_second_offset = viaparinfo->fbmem_free -
2027                         viafb_second_size * 1024 * 1024;
2028         } else {
2029                 viafb_second_size = 8;
2030                 viafb_second_offset = viaparinfo->fbmem_free -
2031                         viafb_second_size * 1024 * 1024;
2032         }
2033
2034         tmpm = viafb_mode;
2035         tmpc = strsep(&tmpm, "x");
2036         strict_strtoul(tmpc, 0, &default_xres);
2037         strict_strtoul(tmpm, 0, &default_yres);
2038
2039         vmode_index = viafb_get_mode_index(default_xres, default_yres);
2040         DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
2041
2042         if (viafb_SAMM_ON == 1) {
2043                 if (strcmp(viafb_mode, viafb_mode1)) {
2044                         tmpm_sec = viafb_mode1;
2045                         tmpc_sec = strsep(&tmpm_sec, "x");
2046                         strict_strtoul(tmpc_sec, 0,
2047                                 (unsigned long *)&viafb_second_xres);
2048                         strict_strtoul(tmpm_sec, 0,
2049                                 (unsigned long *)&viafb_second_yres);
2050                 } else {
2051                         viafb_second_xres = default_xres;
2052                         viafb_second_yres = default_yres;
2053                 }
2054                 if (0 == viafb_second_virtual_xres) {
2055                         switch (viafb_second_xres) {
2056                         case 1400:
2057                                 viafb_second_virtual_xres = 1408;
2058                                 break;
2059                         default:
2060                                 viafb_second_virtual_xres = viafb_second_xres;
2061                                 break;
2062                         }
2063                 }
2064                 if (0 == viafb_second_virtual_yres)
2065                         viafb_second_virtual_yres = viafb_second_yres;
2066         }
2067
2068         switch (viafb_bpp) {
2069         case 0 ... 8:
2070                 viafb_bpp = 8;
2071                 break;
2072         case 9 ... 16:
2073                 viafb_bpp = 16;
2074                 break;
2075         case 17 ... 32:
2076                 viafb_bpp = 32;
2077                 break;
2078         default:
2079                 viafb_bpp = 8;
2080         }
2081         default_var.xres = default_xres;
2082         default_var.yres = default_yres;
2083         switch (default_xres) {
2084         case 1400:
2085                 default_var.xres_virtual = 1408;
2086                 break;
2087         default:
2088                 default_var.xres_virtual = default_xres;
2089                 break;
2090         }
2091         default_var.yres_virtual = default_yres;
2092         default_var.bits_per_pixel = viafb_bpp;
2093         if (default_var.bits_per_pixel == 15)
2094                 default_var.bits_per_pixel = 16;
2095         default_var.pixclock =
2096             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
2097         default_var.left_margin = (default_xres >> 3) & 0xf8;
2098         default_var.right_margin = 32;
2099         default_var.upper_margin = 16;
2100         default_var.lower_margin = 4;
2101         default_var.hsync_len = default_var.left_margin;
2102         default_var.vsync_len = 4;
2103         default_var.accel_flags = 0;
2104
2105         if (viafb_accel) {
2106                 viafbinfo->flags |=
2107                     (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
2108                      FBINFO_HWACCEL_IMAGEBLIT);
2109                 default_var.accel_flags |= FB_ACCELF_TEXT;
2110         } else
2111                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
2112
2113         if (viafb_dual_fb) {
2114                 viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL);
2115                 if (!viafbinfo1) {
2116                         printk(KERN_ERR
2117                         "allocate the second framebuffer struct error\n");
2118                         framebuffer_release(viafbinfo);
2119                         return -ENOMEM;
2120                 }
2121                 viaparinfo1 = viafbinfo1->par;
2122                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
2123                 viaparinfo1->memsize = viaparinfo->memsize -
2124                         viafb_second_offset;
2125                 viaparinfo->memsize = viafb_second_offset;
2126                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
2127
2128                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
2129                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
2130                         viaparinfo1->fbmem_used;
2131                 viaparinfo->fbmem_free = viaparinfo->memsize;
2132                 viaparinfo->fbmem_used = 0;
2133                 if (viafb_accel) {
2134                         viaparinfo1->cursor_start =
2135                             viaparinfo->cursor_start - viafb_second_offset;
2136                         viaparinfo1->VQ_start = viaparinfo->VQ_start -
2137                                 viafb_second_offset;
2138                         viaparinfo1->VQ_end = viaparinfo->VQ_end -
2139                                 viafb_second_offset;
2140                 }
2141
2142                 viaparinfo->iga_path = IGA1;
2143                 viaparinfo1->iga_path = IGA2;
2144                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2145                 viafbinfo1->screen_base = viafbinfo->screen_base +
2146                         viafb_second_offset;
2147
2148                 default_var.xres = viafb_second_xres;
2149                 default_var.yres = viafb_second_yres;
2150                 default_var.xres_virtual = viafb_second_virtual_xres;
2151                 default_var.yres_virtual = viafb_second_virtual_yres;
2152                 if (viafb_bpp1 != viafb_bpp)
2153                         viafb_bpp1 = viafb_bpp;
2154                 default_var.bits_per_pixel = viafb_bpp1;
2155                 default_var.pixclock =
2156                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2157                     viafb_refresh);
2158                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2159                 default_var.right_margin = 32;
2160                 default_var.upper_margin = 16;
2161                 default_var.lower_margin = 4;
2162                 default_var.hsync_len = default_var.left_margin;
2163                 default_var.vsync_len = 4;
2164
2165                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2166                 viafb_check_var(&default_var, viafbinfo1);
2167                 viafbinfo1->var = default_var;
2168                 viafb_update_fix(viafbinfo1);
2169         }
2170
2171         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2172         viafb_check_var(&default_var, viafbinfo);
2173         viafbinfo->var = default_var;
2174         viafb_update_fix(viafbinfo);
2175         default_var.activate = FB_ACTIVATE_NOW;
2176         fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2177
2178         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2179             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2180                 if (register_framebuffer(viafbinfo1) < 0)
2181                         return -EINVAL;
2182         }
2183         if (register_framebuffer(viafbinfo) < 0)
2184                 return -EINVAL;
2185
2186         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2187                         || (viaparinfo->chip_info->gfx_chip_name !=
2188                         UNICHROME_CLE266))) {
2189                 if (register_framebuffer(viafbinfo1) < 0)
2190                         return -EINVAL;
2191         }
2192         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2193                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2194                   default_var.yres, default_var.bits_per_pixel);
2195
2196         viafb_init_proc(&viaparinfo->proc_entry);
2197         viafb_init_dac(IGA2);
2198         return 0;
2199 }
2200
2201 static void __devexit via_pci_remove(void)
2202 {
2203         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2204         fb_dealloc_cmap(&viafbinfo->cmap);
2205         unregister_framebuffer(viafbinfo);
2206         if (viafb_dual_fb)
2207                 unregister_framebuffer(viafbinfo1);
2208         iounmap((void *)viafbinfo->screen_base);
2209         iounmap(viaparinfo->io_virt);
2210
2211         viafb_delete_i2c_buss(viaparinfo);
2212
2213         framebuffer_release(viafbinfo);
2214         if (viafb_dual_fb)
2215                 framebuffer_release(viafbinfo1);
2216
2217         viafb_remove_proc(viaparinfo->proc_entry);
2218 }
2219
2220 #ifndef MODULE
2221 static int __init viafb_setup(char *options)
2222 {
2223         char *this_opt;
2224         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2225
2226         if (!options || !*options)
2227                 return 0;
2228
2229         while ((this_opt = strsep(&options, ",")) != NULL) {
2230                 if (!*this_opt)
2231                         continue;
2232
2233                 if (!strncmp(this_opt, "viafb_mode1=", 12))
2234                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2235                 else if (!strncmp(this_opt, "viafb_mode=", 11))
2236                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2237                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2238                         strict_strtoul(this_opt + 11, 0,
2239                                 (unsigned long *)&viafb_bpp1);
2240                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2241                         strict_strtoul(this_opt + 10, 0,
2242                                 (unsigned long *)&viafb_bpp);
2243                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2244                         strict_strtoul(this_opt + 15, 0,
2245                                 (unsigned long *)&viafb_refresh1);
2246                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2247                         strict_strtoul(this_opt + 14, 0,
2248                                 (unsigned long *)&viafb_refresh);
2249                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2250                         strict_strtoul(this_opt + 21, 0,
2251                                 (unsigned long *)&viafb_lcd_dsp_method);
2252                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2253                         strict_strtoul(this_opt + 19, 0,
2254                                 (unsigned long *)&viafb_lcd_panel_id);
2255                 else if (!strncmp(this_opt, "viafb_accel=", 12))
2256                         strict_strtoul(this_opt + 12, 0,
2257                                 (unsigned long *)&viafb_accel);
2258                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2259                         strict_strtoul(this_opt + 14, 0,
2260                                 (unsigned long *)&viafb_SAMM_ON);
2261                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2262                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2263                 else if (!strncmp(this_opt,
2264                         "viafb_display_hardware_layout=", 30))
2265                         strict_strtoul(this_opt + 30, 0,
2266                         (unsigned long *)&viafb_display_hardware_layout);
2267                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2268                         strict_strtoul(this_opt + 18, 0,
2269                                 (unsigned long *)&viafb_second_size);
2270                 else if (!strncmp(this_opt,
2271                         "viafb_platform_epia_dvi=", 24))
2272                         strict_strtoul(this_opt + 24, 0,
2273                                 (unsigned long *)&viafb_platform_epia_dvi);
2274                 else if (!strncmp(this_opt,
2275                         "viafb_device_lcd_dualedge=", 26))
2276                         strict_strtoul(this_opt + 26, 0,
2277                                 (unsigned long *)&viafb_device_lcd_dualedge);
2278                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2279                         strict_strtoul(this_opt + 16, 0,
2280                                 (unsigned long *)&viafb_bus_width);
2281                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2282                         strict_strtoul(this_opt + 15, 0,
2283                                 (unsigned long *)&viafb_lcd_mode);
2284                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2285                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2286                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2287                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2288         }
2289         return 0;
2290 }
2291 #endif
2292
2293 static int __init viafb_init(void)
2294 {
2295 #ifndef MODULE
2296         char *option = NULL;
2297         if (fb_get_options("viafb", &option))
2298                 return -ENODEV;
2299         viafb_setup(option);
2300 #endif
2301         printk(KERN_INFO
2302        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2303                VERSION_MAJOR, VERSION_MINOR);
2304         return via_pci_probe();
2305 }
2306
2307 static void __exit viafb_exit(void)
2308 {
2309         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2310         via_pci_remove();
2311 }
2312
2313 static struct fb_ops viafb_ops = {
2314         .owner = THIS_MODULE,
2315         .fb_open = viafb_open,
2316         .fb_release = viafb_release,
2317         .fb_check_var = viafb_check_var,
2318         .fb_set_par = viafb_set_par,
2319         .fb_setcolreg = viafb_setcolreg,
2320         .fb_pan_display = viafb_pan_display,
2321         .fb_blank = viafb_blank,
2322         .fb_fillrect = viafb_fillrect,
2323         .fb_copyarea = viafb_copyarea,
2324         .fb_imageblit = viafb_imageblit,
2325         .fb_cursor = viafb_cursor,
2326         .fb_ioctl = viafb_ioctl,
2327         .fb_sync = viafb_sync,
2328         .fb_setcmap = viafb_setcmap,
2329 };
2330
2331 module_init(viafb_init);
2332 module_exit(viafb_exit);
2333
2334 #ifdef MODULE
2335 module_param(viafb_memsize, int, 0);
2336
2337 module_param(viafb_mode, charp, 0);
2338 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2339
2340 module_param(viafb_mode1, charp, 0);
2341 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2342
2343 module_param(viafb_bpp, int, 0);
2344 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2345
2346 module_param(viafb_bpp1, int, 0);
2347 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2348
2349 module_param(viafb_refresh, int, 0);
2350 MODULE_PARM_DESC(viafb_refresh,
2351         "Set CRT viafb_refresh rate (default = 60)");
2352
2353 module_param(viafb_refresh1, int, 0);
2354 MODULE_PARM_DESC(viafb_refresh1,
2355         "Set CRT refresh rate (default = 60)");
2356
2357 module_param(viafb_lcd_panel_id, int, 0);
2358 MODULE_PARM_DESC(viafb_lcd_panel_id,
2359         "Set Flat Panel type(Default=1024x768)");
2360
2361 module_param(viafb_lcd_dsp_method, int, 0);
2362 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2363         "Set Flat Panel display scaling method.(Default=Expandsion)");
2364
2365 module_param(viafb_SAMM_ON, int, 0);
2366 MODULE_PARM_DESC(viafb_SAMM_ON,
2367         "Turn on/off flag of SAMM(Default=OFF)");
2368
2369 module_param(viafb_accel, int, 0);
2370 MODULE_PARM_DESC(viafb_accel,
2371         "Set 2D Hardware Acceleration.(Default = OFF)");
2372
2373 module_param(viafb_active_dev, charp, 0);
2374 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2375
2376 module_param(viafb_display_hardware_layout, int, 0);
2377 MODULE_PARM_DESC(viafb_display_hardware_layout,
2378         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2379
2380 module_param(viafb_second_size, int, 0);
2381 MODULE_PARM_DESC(viafb_second_size,
2382         "Set secondary device memory size");
2383
2384 module_param(viafb_dual_fb, int, 0);
2385 MODULE_PARM_DESC(viafb_dual_fb,
2386         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2387
2388 module_param(viafb_platform_epia_dvi, int, 0);
2389 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2390         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2391
2392 module_param(viafb_device_lcd_dualedge, int, 0);
2393 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2394         "Turn on/off flag of dual edge panel.(Default = OFF)");
2395
2396 module_param(viafb_bus_width, int, 0);
2397 MODULE_PARM_DESC(viafb_bus_width,
2398         "Set bus width of panel.(Default = 12)");
2399
2400 module_param(viafb_lcd_mode, int, 0);
2401 MODULE_PARM_DESC(viafb_lcd_mode,
2402         "Set Flat Panel mode(Default=OPENLDI)");
2403
2404 module_param(viafb_lcd_port, charp, 0);
2405 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2406
2407 module_param(viafb_dvi_port, charp, 0);
2408 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2409
2410 MODULE_LICENSE("GPL");
2411 #endif