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 specifying video on devices.*/
  40 char *viafb_video_dev = "";
  41
  42 /*Added for specify lcd output port*/
  43 char *viafb_lcd_port = "";
  44 char *viafb_dvi_port = "";
  45
  46 static void viafb_set_device(struct device_t active_dev);
  47 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
  48                          struct fb_info *info);
  49 static void apply_second_mode_setting(struct fb_var_screeninfo
  50         *sec_var);
  51 static void retrieve_device_setting(struct viafb_ioctl_setting
  52         *setting_info);
  53 static void viafb_set_video_device(u32 video_dev_info);
  54 static void viafb_get_video_device(u32 *video_dev_info);
  55
  56 /* Mode information */
  57 static const struct viafb_modeinfo viafb_modentry[] = {
  58         {480, 640, VIA_RES_480X640},
  59         {640, 480, VIA_RES_640X480},
  60         {800, 480, VIA_RES_800X480},
  61         {800, 600, VIA_RES_800X600},
  62         {1024, 768, VIA_RES_1024X768},
  63         {1152, 864, VIA_RES_1152X864},
  64         {1280, 1024, VIA_RES_1280X1024},
  65         {1600, 1200, VIA_RES_1600X1200},
  66         {1440, 1050, VIA_RES_1440X1050},
  67         {1280, 768, VIA_RES_1280X768,},
  68         {1280, 800, VIA_RES_1280X800},
  69         {1280, 960, VIA_RES_1280X960},
  70         {1920, 1440, VIA_RES_1920X1440},
  71         {848, 480, VIA_RES_848X480},
  72         {1400, 1050, VIA_RES_1400X1050},
  73         {720, 480, VIA_RES_720X480},
  74         {720, 576, VIA_RES_720X576},
  75         {1024, 512, VIA_RES_1024X512},
  76         {1024, 576, VIA_RES_1024X576},
  77         {1024, 600, VIA_RES_1024X600},
  78         {1280, 720, VIA_RES_1280X720},
  79         {1920, 1080, VIA_RES_1920X1080},
  80         {1366, 768, VIA_RES_1368X768},
  81         {1680, 1050, VIA_RES_1680X1050},
  82         {960, 600, VIA_RES_960X600},
  83         {1000, 600, VIA_RES_1000X600},
  84         {1024, 576, VIA_RES_1024X576},
  85         {1024, 600, VIA_RES_1024X600},
  86         {1088, 612, VIA_RES_1088X612},
  87         {1152, 720, VIA_RES_1152X720},
  88         {1200, 720, VIA_RES_1200X720},
  89         {1280, 600, VIA_RES_1280X600},
  90         {1360, 768, VIA_RES_1360X768},
  91         {1440, 900, VIA_RES_1440X900},
  92         {1600, 900, VIA_RES_1600X900},
  93         {1600, 1024, VIA_RES_1600X1024},
  94         {1792, 1344, VIA_RES_1792X1344},
  95         {1856, 1392, VIA_RES_1856X1392},
  96         {1920, 1200, VIA_RES_1920X1200},
  97         {2048, 1536, VIA_RES_2048X1536},
  98         {0, 0, VIA_RES_INVALID}
  99 };
 100
 101 static struct fb_ops viafb_ops;
 102
 103 static int viafb_update_fix(struct fb_fix_screeninfo *fix, struct fb_info *info)
 104 {
 105         struct viafb_par *ppar;
 106         ppar = info->par;
 107
 108         DEBUG_MSG(KERN_INFO "viafb_update_fix!\n");
 109
 110         fix->visual =
 111             ppar->bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
 112         fix->line_length = ppar->linelength;
 113
 114         return 0;
 115 }
 116
 117
 118 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
 119         struct viafb_par *viaparinfo)
 120 {
 121         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
 122         strcpy(fix->id, viafb_name);
 123
 124         fix->smem_start = viaparinfo->fbmem;
 125         fix->smem_len = viaparinfo->fbmem_free;
 126         fix->mmio_start = viaparinfo->mmio_base;
 127         fix->mmio_len = viaparinfo->mmio_len;
 128
 129         fix->type = FB_TYPE_PACKED_PIXELS;
 130         fix->type_aux = 0;
 131
 132         fix->xpanstep = fix->ywrapstep = 0;
 133         fix->ypanstep = 1;
 134
 135         /* Just tell the accel name */
 136         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
 137 }
 138 static int viafb_open(struct fb_info *info, int user)
 139 {
 140         DEBUG_MSG(KERN_INFO "viafb_open!\n");
 141         return 0;
 142 }
 143
 144 static int viafb_release(struct fb_info *info, int user)
 145 {
 146         DEBUG_MSG(KERN_INFO "viafb_release!\n");
 147         return 0;
 148 }
 149
 150 static void viafb_update_viafb_par(struct fb_info *info)
 151 {
 152         struct viafb_par *ppar;
 153
 154         ppar = info->par;
 155         ppar->bpp = info->var.bits_per_pixel;
 156         ppar->linelength = ((info->var.xres_virtual + 7) & ~7) * ppar->bpp / 8;
 157         ppar->hres = info->var.xres;
 158         ppar->vres = info->var.yres;
 159         ppar->xoffset = info->var.xoffset;
 160         ppar->yoffset = info->var.yoffset;
 161 }
 162
 163 static int viafb_check_var(struct fb_var_screeninfo *var,
 164         struct fb_info *info)
 165 {
 166         int vmode_index, htotal, vtotal;
 167         struct viafb_par *ppar;
 168         u32 long_refresh;
 169         struct viafb_par *p_viafb_par;
 170         ppar = info->par;
 171
 172
 173         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 174         /* Sanity check */
 175         /* HW neither support interlacte nor double-scaned mode */
 176         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 177                 return -EINVAL;
 178
 179         vmode_index = viafb_get_mode_index(var->xres, var->yres);
 180         if (vmode_index == VIA_RES_INVALID) {
 181                 DEBUG_MSG(KERN_INFO
 182                           "viafb: Mode %dx%dx%d not supported!!\n",
 183                           var->xres, var->yres, var->bits_per_pixel);
 184                 return -EINVAL;
 185         }
 186
 187         if (24 == var->bits_per_pixel)
 188                 var->bits_per_pixel = 32;
 189
 190         if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
 191                 var->bits_per_pixel != 32)
 192                 return -EINVAL;
 193
 194         if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
 195                 /*32 pixel alignment */
 196                 var->xres_virtual = (var->xres_virtual + 31) & ~31;
 197         if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
 198                 ppar->memsize)
 199                 return -EINVAL;
 200
 201         /* Based on var passed in to calculate the refresh,
 202          * because our driver use some modes special.
 203          */
 204         htotal = var->xres + var->left_margin +
 205         var->right_margin + var->hsync_len;
 206         vtotal = var->yres + var->upper_margin +
 207                 var->lower_margin + var->vsync_len;
 208         long_refresh = 1000000000UL / var->pixclock * 1000;
 209         long_refresh /= (htotal * vtotal);
 210
 211         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 212
 213         /* Adjust var according to our driver's own table */
 214         viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
 215
 216         /* This is indeed a patch for VT3353 */
 217         if (!info->par)
 218                 return -1;
 219         p_viafb_par = (struct viafb_par *)info->par;
 220         if (p_viafb_par->chip_info->gfx_chip_name == UNICHROME_VX800)
 221                 var->accel_flags = 0;
 222
 223         return 0;
 224 }
 225
 226 static int viafb_set_par(struct fb_info *info)
 227 {
 228         int vmode_index;
 229         int vmode_index1 = 0;
 230         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 231
 232         viafb_update_device_setting(info->var.xres, info->var.yres,
 233                               info->var.bits_per_pixel, viafb_refresh, 0);
 234
 235         vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
 236
 237         if (viafb_SAMM_ON == 1) {
 238                 DEBUG_MSG(KERN_INFO
 239                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 240                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 241                 vmode_index1 = viafb_get_mode_index(viafb_second_xres,
 242                         viafb_second_yres);
 243                 DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
 244                         vmode_index1);
 245
 246                 viafb_update_device_setting(viafb_second_xres,
 247                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 248         }
 249
 250         if (vmode_index != VIA_RES_INVALID) {
 251                 viafb_setmode(vmode_index, info->var.xres, info->var.yres,
 252                         info->var.bits_per_pixel, vmode_index1,
 253                         viafb_second_xres, viafb_second_yres, viafb_bpp1);
 254
 255                 /*We should set memory offset according virtual_x */
 256                 /*Fix me:put this function into viafb_setmode */
 257                 viafb_memory_pitch_patch(info);
 258
 259                 /* Update ***fb_par information */
 260                 viafb_update_viafb_par(info);
 261
 262                 /* Update other fixed information */
 263                 viafb_update_fix(&info->fix, info);
 264                 viafb_bpp = info->var.bits_per_pixel;
 265                 /* Update viafb_accel, it is necessary to our 2D accelerate */
 266                 viafb_accel = info->var.accel_flags;
 267
 268                 if (viafb_accel)
 269                         viafb_set_2d_color_depth(info->var.bits_per_pixel);
 270         }
 271
 272         return 0;
 273 }
 274
 275 /* Set one color register */
 276 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 277 unsigned blue, unsigned transp, struct fb_info *info)
 278 {
 279         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 280         unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
 281         DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
 282         if (regno >= cmap_entries)
 283                 return 1;
 284         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 285                 /*
 286                  * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
 287                  */
 288                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 289                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 290         }
 291         switch (info->var.bits_per_pixel) {
 292         case 8:
 293                 outb(0x1A, 0x3C4);
 294                 sr1a = inb(0x3C5);
 295                 outb(0x1B, 0x3C4);
 296                 sr1b = inb(0x3C5);
 297                 outb(0x67, 0x3D4);
 298                 cr67 = inb(0x3D5);
 299                 outb(0x6A, 0x3D4);
 300                 cr6a = inb(0x3D5);
 301
 302                 /* Map the 3C6/7/8/9 to the IGA2 */
 303                 outb(0x1A, 0x3C4);
 304                 outb(sr1a | 0x01, 0x3C5);
 305                 /* Second Display Engine colck always on */
 306                 outb(0x1B, 0x3C4);
 307                 outb(sr1b | 0x80, 0x3C5);
 308                 /* Second Display Color Depth 8 */
 309                 outb(0x67, 0x3D4);
 310                 outb(cr67 & 0x3F, 0x3D5);
 311                 outb(0x6A, 0x3D4);
 312                 /* Second Display Channel Reset CR6A[6]) */
 313                 outb(cr6a & 0xBF, 0x3D5);
 314                 /* Second Display Channel Enable CR6A[7] */
 315                 outb(cr6a | 0x80, 0x3D5);
 316                 /* Second Display Channel stop reset) */
 317                 outb(cr6a | 0x40, 0x3D5);
 318
 319                 /* Bit mask of palette */
 320                 outb(0xFF, 0x3c6);
 321                 /* Write one register of IGA2 */
 322                 outb(regno, 0x3C8);
 323                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 324                         rev >= 15) {
 325                         shift = 8;
 326                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 327                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 328                 } else {
 329                         shift = 10;
 330                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 331                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 332                 }
 333                 outb(red >> shift, 0x3C9);
 334                 outb(green >> shift, 0x3C9);
 335                 outb(blue >> shift, 0x3C9);
 336
 337                 /* Map the 3C6/7/8/9 to the IGA1 */
 338                 outb(0x1A, 0x3C4);
 339                 outb(sr1a & 0xFE, 0x3C5);
 340                 /* Bit mask of palette */
 341                 outb(0xFF, 0x3c6);
 342                 /* Write one register of IGA1 */
 343                 outb(regno, 0x3C8);
 344                 outb(red >> shift, 0x3C9);
 345                 outb(green >> shift, 0x3C9);
 346                 outb(blue >> shift, 0x3C9);
 347
 348                 outb(0x1A, 0x3C4);
 349                 outb(sr1a, 0x3C5);
 350                 outb(0x1B, 0x3C4);
 351                 outb(sr1b, 0x3C5);
 352                 outb(0x67, 0x3D4);
 353                 outb(cr67, 0x3D5);
 354                 outb(0x6A, 0x3D4);
 355                 outb(cr6a, 0x3D5);
 356                 break;
 357         case 16:
 358                 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
 359                     ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
 360                 break;
 361         case 32:
 362                 ((u32 *) info->pseudo_palette)[regno] =
 363                     ((transp & 0xFF00) << 16) |
 364                     ((red & 0xFF00) << 8) |
 365                     ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
 366                 break;
 367         }
 368
 369         return 0;
 370
 371 }
 372
 373 /*CALLED BY: fb_set_cmap */
 374 /*           fb_set_var, pass 256 colors */
 375 /*CALLED BY: fb_set_cmap */
 376 /*           fbcon_set_palette, pass 16 colors */
 377 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 378 {
 379         u32 len = cmap->len;
 380         u32 i;
 381         u16 *pred = cmap->red;
 382         u16 *pgreen = cmap->green;
 383         u16 *pblue = cmap->blue;
 384         u16 *ptransp = cmap->transp;
 385         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 386         if (len > 256)
 387                 return 1;
 388         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 389                 /*
 390                  * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
 391                  * rev.
 392                  */
 393                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 394                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 395         }
 396         switch (info->var.bits_per_pixel) {
 397         case 8:
 398                 outb(0x1A, 0x3C4);
 399                 sr1a = inb(0x3C5);
 400                 outb(0x1B, 0x3C4);
 401                 sr1b = inb(0x3C5);
 402                 outb(0x67, 0x3D4);
 403                 cr67 = inb(0x3D5);
 404                 outb(0x6A, 0x3D4);
 405                 cr6a = inb(0x3D5);
 406                 /* Map the 3C6/7/8/9 to the IGA2 */
 407                 outb(0x1A, 0x3C4);
 408                 outb(sr1a | 0x01, 0x3C5);
 409                 outb(0x1B, 0x3C4);
 410                 /* Second Display Engine colck always on */
 411                 outb(sr1b | 0x80, 0x3C5);
 412                 outb(0x67, 0x3D4);
 413                 /* Second Display Color Depth 8 */
 414                 outb(cr67 & 0x3F, 0x3D5);
 415                 outb(0x6A, 0x3D4);
 416                 /* Second Display Channel Reset CR6A[6]) */
 417                 outb(cr6a & 0xBF, 0x3D5);
 418                 /* Second Display Channel Enable CR6A[7] */
 419                 outb(cr6a | 0x80, 0x3D5);
 420                 /* Second Display Channel stop reset) */
 421                 outb(cr6a | 0xC0, 0x3D5);
 422
 423                 /* Bit mask of palette */
 424                 outb(0xFF, 0x3c6);
 425                 outb(0x00, 0x3C8);
 426                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 427                         rev >= 15) {
 428                         shift = 8;
 429                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 430                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 431                 } else {
 432                         shift = 10;
 433                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 434                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 435                 }
 436                 for (i = 0; i < len; i++) {
 437                         outb((*(pred + i)) >> shift, 0x3C9);
 438                         outb((*(pgreen + i)) >> shift, 0x3C9);
 439                         outb((*(pblue + i)) >> shift, 0x3C9);
 440                 }
 441
 442                 outb(0x1A, 0x3C4);
 443                 /* Map the 3C6/7/8/9 to the IGA1 */
 444                 outb(sr1a & 0xFE, 0x3C5);
 445                 /* Bit mask of palette */
 446                 outb(0xFF, 0x3c6);
 447                 outb(0x00, 0x3C8);
 448                 for (i = 0; i < len; i++) {
 449                         outb((*(pred + i)) >> shift, 0x3C9);
 450                         outb((*(pgreen + i)) >> shift, 0x3C9);
 451                         outb((*(pblue + i)) >> shift, 0x3C9);
 452                 }
 453
 454                 outb(0x1A, 0x3C4);
 455                 outb(sr1a, 0x3C5);
 456                 outb(0x1B, 0x3C4);
 457                 outb(sr1b, 0x3C5);
 458                 outb(0x67, 0x3D4);
 459                 outb(cr67, 0x3D5);
 460                 outb(0x6A, 0x3D4);
 461                 outb(cr6a, 0x3D5);
 462                 break;
 463         case 16:
 464                 if (len > 17)
 465                         return 0;       /* Because static u32 pseudo_pal[17]; */
 466                 for (i = 0; i < len; i++)
 467                         ((u32 *) info->pseudo_palette)[i] =
 468                             (*(pred + i) & 0xF800) |
 469                             ((*(pgreen + i) & 0xFC00) >> 5) |
 470                             ((*(pblue + i) & 0xF800) >> 11);
 471                 break;
 472         case 32:
 473                 if (len > 17)
 474                         return 0;
 475                 if (ptransp) {
 476                         for (i = 0; i < len; i++)
 477                                 ((u32 *) info->pseudo_palette)[i] =
 478                                     ((*(ptransp + i) & 0xFF00) << 16) |
 479                                     ((*(pred + i) & 0xFF00) << 8) |
 480                                     ((*(pgreen + i) & 0xFF00)) |
 481                                     ((*(pblue + i) & 0xFF00) >> 8);
 482                 } else {
 483                         for (i = 0; i < len; i++)
 484                                 ((u32 *) info->pseudo_palette)[i] =
 485                                     0x00000000 |
 486                                     ((*(pred + i) & 0xFF00) << 8) |
 487                                     ((*(pgreen + i) & 0xFF00)) |
 488                                     ((*(pblue + i) & 0xFF00) >> 8);
 489                 }
 490                 break;
 491         }
 492         return 0;
 493 }
 494
 495 static int viafb_pan_display(struct fb_var_screeninfo *var,
 496         struct fb_info *info)
 497 {
 498         unsigned int offset;
 499
 500         DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
 501
 502         offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
 503             var->bits_per_pixel / 16;
 504
 505         DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
 506
 507         viafb_write_reg_mask(0x48, 0x3d4, ((offset >> 24) & 0x3), 0x3);
 508         viafb_write_reg_mask(0x34, 0x3d4, ((offset >> 16) & 0xff), 0xff);
 509         viafb_write_reg_mask(0x0c, 0x3d4, ((offset >> 8) & 0xff), 0xff);
 510         viafb_write_reg_mask(0x0d, 0x3d4, (offset & 0xff), 0xff);
 511
 512         return 0;
 513 }
 514
 515 static int viafb_blank(int blank_mode, struct fb_info *info)
 516 {
 517         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 518         /* clear DPMS setting */
 519
 520         switch (blank_mode) {
 521         case FB_BLANK_UNBLANK:
 522                 /* Screen: On, HSync: On, VSync: On */
 523                 /* control CRT monitor power management */
 524                 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
 525                 break;
 526         case FB_BLANK_HSYNC_SUSPEND:
 527                 /* Screen: Off, HSync: Off, VSync: On */
 528                 /* control CRT monitor power management */
 529                 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
 530                 break;
 531         case FB_BLANK_VSYNC_SUSPEND:
 532                 /* Screen: Off, HSync: On, VSync: Off */
 533                 /* control CRT monitor power management */
 534                 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
 535                 break;
 536         case FB_BLANK_POWERDOWN:
 537                 /* Screen: Off, HSync: Off, VSync: Off */
 538                 /* control CRT monitor power management */
 539                 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
 540                 break;
 541         }
 542
 543         return 0;
 544 }
 545
 546 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 547 {
 548         union {
 549                 struct viafb_ioctl_mode viamode;
 550                 struct viafb_ioctl_samm viasamm;
 551                 struct viafb_driver_version driver_version;
 552                 struct fb_var_screeninfo sec_var;
 553                 struct _panel_size_pos_info panel_pos_size_para;
 554                 struct viafb_ioctl_setting viafb_setting;
 555                 struct device_t active_dev;
 556         } u;
 557         u32 state_info = 0;
 558         u32 *viafb_gamma_table;
 559         char driver_name[] = "viafb";
 560
 561         u32 __user *argp = (u32 __user *) arg;
 562         u32 gpu32;
 563         u32 video_dev_info = 0;
 564
 565         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 566         memset(&u, 0, sizeof(u));
 567
 568         switch (cmd) {
 569         case VIAFB_GET_CHIP_INFO:
 570                 if (copy_to_user(argp, viaparinfo->chip_info,
 571                                 sizeof(struct chip_information)))
 572                         return -EFAULT;
 573                 break;
 574         case VIAFB_GET_INFO_SIZE:
 575                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 576         case VIAFB_GET_INFO:
 577                 return viafb_ioctl_get_viafb_info(arg);
 578         case VIAFB_HOTPLUG:
 579                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 580                                               info->var.yres,
 581                                               info->var.bits_per_pixel), argp);
 582         case VIAFB_SET_HOTPLUG_FLAG:
 583                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 584                         return -EFAULT;
 585                 viafb_hotplug = (gpu32) ? 1 : 0;
 586                 break;
 587         case VIAFB_GET_RESOLUTION:
 588                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 589                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 590                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 591                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 592                 if (viafb_SAMM_ON == 1) {
 593                         u.viamode.xres_sec = viafb_second_xres;
 594                         u.viamode.yres_sec = viafb_second_yres;
 595                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 596                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 597                         u.viamode.refresh_sec = viafb_refresh1;
 598                         u.viamode.bpp_sec = viafb_bpp1;
 599                 } else {
 600                         u.viamode.xres_sec = 0;
 601                         u.viamode.yres_sec = 0;
 602                         u.viamode.virtual_xres_sec = 0;
 603                         u.viamode.virtual_yres_sec = 0;
 604                         u.viamode.refresh_sec = 0;
 605                         u.viamode.bpp_sec = 0;
 606                 }
 607                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 608                         return -EFAULT;
 609                 break;
 610         case VIAFB_GET_SAMM_INFO:
 611                 u.viasamm.samm_status = viafb_SAMM_ON;
 612
 613                 if (viafb_SAMM_ON == 1) {
 614                         if (viafb_dual_fb) {
 615                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 616                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 617                         } else {
 618                                 if (viafb_second_size) {
 619                                         u.viasamm.size_prim =
 620                                             viaparinfo->fbmem_free -
 621                                             viafb_second_size * 1024 * 1024;
 622                                         u.viasamm.size_sec =
 623                                             viafb_second_size * 1024 * 1024;
 624                                 } else {
 625                                         u.viasamm.size_prim =
 626                                             viaparinfo->fbmem_free >> 1;
 627                                         u.viasamm.size_sec =
 628                                             (viaparinfo->fbmem_free >> 1);
 629                                 }
 630                         }
 631                         u.viasamm.mem_base = viaparinfo->fbmem;
 632                         u.viasamm.offset_sec = viafb_second_offset;
 633                 } else {
 634                         u.viasamm.size_prim =
 635                             viaparinfo->memsize - viaparinfo->fbmem_used;
 636                         u.viasamm.size_sec = 0;
 637                         u.viasamm.mem_base = viaparinfo->fbmem;
 638                         u.viasamm.offset_sec = 0;
 639                 }
 640
 641                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 642                         return -EFAULT;
 643
 644                 break;
 645         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 646                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 647                         return -EFAULT;
 648                 if (gpu32 & CRT_Device)
 649                         viafb_crt_enable();
 650                 if (gpu32 & DVI_Device)
 651                         viafb_dvi_enable();
 652                 if (gpu32 & LCD_Device)
 653                         viafb_lcd_enable();
 654                 break;
 655         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 656                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 657                         return -EFAULT;
 658                 if (gpu32 & CRT_Device)
 659                         viafb_crt_disable();
 660                 if (gpu32 & DVI_Device)
 661                         viafb_dvi_disable();
 662                 if (gpu32 & LCD_Device)
 663                         viafb_lcd_disable();
 664                 break;
 665         case VIAFB_SET_DEVICE:
 666                 if (copy_from_user(&u.active_dev, (void *)argp,
 667                         sizeof(u.active_dev)))
 668                         return -EFAULT;
 669                 viafb_set_device(u.active_dev);
 670                 viafb_set_par(info);
 671                 break;
 672         case VIAFB_GET_DEVICE:
 673                 u.active_dev.crt = viafb_CRT_ON;
 674                 u.active_dev.dvi = viafb_DVI_ON;
 675                 u.active_dev.lcd = viafb_LCD_ON;
 676                 u.active_dev.samm = viafb_SAMM_ON;
 677                 u.active_dev.primary_dev = viafb_primary_dev;
 678
 679                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 680                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 681                 u.active_dev.lcd_mode = viafb_lcd_mode;
 682
 683                 u.active_dev.xres = viafb_hotplug_Xres;
 684                 u.active_dev.yres = viafb_hotplug_Yres;
 685
 686                 u.active_dev.xres1 = viafb_second_xres;
 687                 u.active_dev.yres1 = viafb_second_yres;
 688
 689                 u.active_dev.bpp = viafb_bpp;
 690                 u.active_dev.bpp1 = viafb_bpp1;
 691                 u.active_dev.refresh = viafb_refresh;
 692                 u.active_dev.refresh1 = viafb_refresh1;
 693
 694                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 695                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 696                 u.active_dev.bus_width = viafb_bus_width;
 697
 698                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 699                         return -EFAULT;
 700                 break;
 701
 702         case VIAFB_GET_DRIVER_VERSION:
 703                 u.driver_version.iMajorNum = VERSION_MAJOR;
 704                 u.driver_version.iKernelNum = VERSION_KERNEL;
 705                 u.driver_version.iOSNum = VERSION_OS;
 706                 u.driver_version.iMinorNum = VERSION_MINOR;
 707
 708                 if (copy_to_user(argp, &u.driver_version,
 709                         sizeof(u.driver_version)))
 710                         return -EFAULT;
 711
 712                 break;
 713
 714         case VIAFB_SET_DEVICE_INFO:
 715                 if (copy_from_user(&u.viafb_setting,
 716                         argp, sizeof(u.viafb_setting)))
 717                         return -EFAULT;
 718                 if (apply_device_setting(u.viafb_setting, info) < 0)
 719                         return -EINVAL;
 720
 721                 break;
 722
 723         case VIAFB_SET_SECOND_MODE:
 724                 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
 725                         return -EFAULT;
 726                 apply_second_mode_setting(&u.sec_var);
 727                 break;
 728
 729         case VIAFB_GET_DEVICE_INFO:
 730
 731                 retrieve_device_setting(&u.viafb_setting);
 732
 733                 if (copy_to_user(argp, &u.viafb_setting,
 734                                  sizeof(u.viafb_setting)))
 735                         return -EFAULT;
 736
 737                 break;
 738
 739         case VIAFB_GET_DEVICE_SUPPORT:
 740                 viafb_get_device_support_state(&state_info);
 741                 if (put_user(state_info, argp))
 742                         return -EFAULT;
 743                 break;
 744
 745         case VIAFB_GET_DEVICE_CONNECT:
 746                 viafb_get_device_connect_state(&state_info);
 747                 if (put_user(state_info, argp))
 748                         return -EFAULT;
 749                 break;
 750
 751         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 752                 state_info =
 753                     viafb_lcd_get_support_expand_state(info->var.xres,
 754                                                  info->var.yres);
 755                 if (put_user(state_info, argp))
 756                         return -EFAULT;
 757                 break;
 758
 759         case VIAFB_GET_DRIVER_NAME:
 760                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 761                         return -EFAULT;
 762                 break;
 763
 764         case VIAFB_SET_GAMMA_LUT:
 765                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 766                 if (!viafb_gamma_table)
 767                         return -ENOMEM;
 768                 if (copy_from_user(viafb_gamma_table, argp,
 769                                 sizeof(viafb_gamma_table))) {
 770                         kfree(viafb_gamma_table);
 771                         return -EFAULT;
 772                 }
 773                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 774                 kfree(viafb_gamma_table);
 775                 break;
 776
 777         case VIAFB_GET_GAMMA_LUT:
 778                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 779                 if (!viafb_gamma_table)
 780                         return -ENOMEM;
 781                 viafb_get_gamma_table(viafb_gamma_table);
 782                 if (copy_to_user(argp, viafb_gamma_table,
 783                         sizeof(viafb_gamma_table))) {
 784                         kfree(viafb_gamma_table);
 785                         return -EFAULT;
 786                 }
 787                 kfree(viafb_gamma_table);
 788                 break;
 789
 790         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 791                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 792                 if (put_user(state_info, argp))
 793                         return -EFAULT;
 794                 break;
 795         case VIAFB_SET_VIDEO_DEVICE:
 796                 get_user(video_dev_info, argp);
 797                 viafb_set_video_device(video_dev_info);
 798                 break;
 799         case VIAFB_GET_VIDEO_DEVICE:
 800                 viafb_get_video_device(&video_dev_info);
 801                 if (put_user(video_dev_info, argp))
 802                         return -EFAULT;
 803                 break;
 804         case VIAFB_SYNC_SURFACE:
 805                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 806                 break;
 807         case VIAFB_GET_DRIVER_CAPS:
 808                 break;
 809
 810         case VIAFB_GET_PANEL_MAX_SIZE:
 811                 if (copy_from_user(&u.panel_pos_size_para, argp,
 812                                    sizeof(u.panel_pos_size_para)))
 813                         return -EFAULT;
 814                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 815                 if (copy_to_user(argp, &u.panel_pos_size_para,
 816                      sizeof(u.panel_pos_size_para)))
 817                         return -EFAULT;
 818                 break;
 819         case VIAFB_GET_PANEL_MAX_POSITION:
 820                 if (copy_from_user(&u.panel_pos_size_para, argp,
 821                                    sizeof(u.panel_pos_size_para)))
 822                         return -EFAULT;
 823                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 824                 if (copy_to_user(argp, &u.panel_pos_size_para,
 825                                  sizeof(u.panel_pos_size_para)))
 826                         return -EFAULT;
 827                 break;
 828
 829         case VIAFB_GET_PANEL_POSITION:
 830                 if (copy_from_user(&u.panel_pos_size_para, argp,
 831                                    sizeof(u.panel_pos_size_para)))
 832                         return -EFAULT;
 833                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 834                 if (copy_to_user(argp, &u.panel_pos_size_para,
 835                                  sizeof(u.panel_pos_size_para)))
 836                         return -EFAULT;
 837                 break;
 838         case VIAFB_GET_PANEL_SIZE:
 839                 if (copy_from_user(&u.panel_pos_size_para, argp,
 840                                    sizeof(u.panel_pos_size_para)))
 841                         return -EFAULT;
 842                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 843                 if (copy_to_user(argp, &u.panel_pos_size_para,
 844                                  sizeof(u.panel_pos_size_para)))
 845                         return -EFAULT;
 846                 break;
 847
 848         case VIAFB_SET_PANEL_POSITION:
 849                 if (copy_from_user(&u.panel_pos_size_para, argp,
 850                                    sizeof(u.panel_pos_size_para)))
 851                         return -EFAULT;
 852                 break;
 853         case VIAFB_SET_PANEL_SIZE:
 854                 if (copy_from_user(&u.panel_pos_size_para, argp,
 855                                    sizeof(u.panel_pos_size_para)))
 856                         return -EFAULT;
 857                 break;
 858
 859         default:
 860                 return -EINVAL;
 861         }
 862
 863         return 0;
 864 }
 865
 866 static void viafb_fillrect(struct fb_info *info,
 867         const struct fb_fillrect *rect)
 868 {
 869         u32 col = 0, rop = 0;
 870         int pitch;
 871
 872         if (!viafb_accel) {
 873                 cfb_fillrect(info, rect);
 874                 return;
 875         }
 876
 877         if (!rect->width || !rect->height)
 878                 return;
 879
 880         switch (rect->rop) {
 881         case ROP_XOR:
 882                 rop = 0x5A;
 883                 break;
 884         case ROP_COPY:
 885         default:
 886                 rop = 0xF0;
 887                 break;
 888         }
 889
 890         switch (info->var.bits_per_pixel) {
 891         case 8:
 892                 col = rect->color;
 893                 break;
 894         case 16:
 895                 col = ((u32 *) (info->pseudo_palette))[rect->color];
 896                 break;
 897         case 32:
 898                 col = ((u32 *) (info->pseudo_palette))[rect->color];
 899                 break;
 900         }
 901
 902         /* BitBlt Source Address */
 903         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
 904         /* Source Base Address */
 905         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
 906         /* Destination Base Address */
 907         writel(((unsigned long) (info->screen_base) -
 908                    (unsigned long) viafb_FB_MM) >> 3,
 909                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 910         /* Pitch */
 911         pitch = (info->var.xres_virtual + 7) & ~7;
 912         writel(VIA_PITCH_ENABLE |
 913                    (((pitch *
 914                       info->var.bits_per_pixel >> 3) >> 3) |
 915                       (((pitch * info->
 916                       var.bits_per_pixel >> 3) >> 3) << 16)),
 917                       viaparinfo->io_virt + VIA_REG_PITCH);
 918         /* BitBlt Destination Address */
 919         writel(((rect->dy << 16) | rect->dx),
 920                 viaparinfo->io_virt + VIA_REG_DSTPOS);
 921         /* Dimension: width & height */
 922         writel((((rect->height - 1) << 16) | (rect->width - 1)),
 923                 viaparinfo->io_virt + VIA_REG_DIMENSION);
 924         /* Forground color or Destination color */
 925         writel(col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
 926         /* GE Command */
 927         writel((0x01 | 0x2000 | (rop << 24)),
 928                 viaparinfo->io_virt + VIA_REG_GECMD);
 929
 930 }
 931
 932 static void viafb_copyarea(struct fb_info *info,
 933         const struct fb_copyarea *area)
 934 {
 935         u32 dy = area->dy, sy = area->sy, direction = 0x0;
 936         u32 sx = area->sx, dx = area->dx, width = area->width;
 937         int pitch;
 938
 939         DEBUG_MSG(KERN_INFO "viafb_copyarea!!\n");
 940
 941         if (!viafb_accel) {
 942                 cfb_copyarea(info, area);
 943                 return;
 944         }
 945
 946         if (!area->width || !area->height)
 947                 return;
 948
 949         if (sy < dy) {
 950                 dy += area->height - 1;
 951                 sy += area->height - 1;
 952                 direction |= 0x4000;
 953         }
 954
 955         if (sx < dx) {
 956                 dx += width - 1;
 957                 sx += width - 1;
 958                 direction |= 0x8000;
 959         }
 960
 961         /* Source Base Address */
 962         writel(((unsigned long) (info->screen_base) -
 963                    (unsigned long) viafb_FB_MM) >> 3,
 964                    viaparinfo->io_virt + VIA_REG_SRCBASE);
 965         /* Destination Base Address */
 966         writel(((unsigned long) (info->screen_base) -
 967                    (unsigned long) viafb_FB_MM) >> 3,
 968                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 969         /* Pitch */
 970         pitch = (info->var.xres_virtual + 7) & ~7;
 971         /* VIA_PITCH_ENABLE can be omitted now. */
 972         writel(VIA_PITCH_ENABLE |
 973                    (((pitch *
 974                       info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
 975                                                                 info->var.
 976                                                                 bits_per_pixel
 977                                                                 >> 3) >> 3)
 978                                                               << 16)),
 979                                 viaparinfo->io_virt + VIA_REG_PITCH);
 980         /* BitBlt Source Address */
 981         writel(((sy << 16) | sx), viaparinfo->io_virt + VIA_REG_SRCPOS);
 982         /* BitBlt Destination Address */
 983         writel(((dy << 16) | dx), viaparinfo->io_virt + VIA_REG_DSTPOS);
 984         /* Dimension: width & height */
 985         writel((((area->height - 1) << 16) | (area->width - 1)),
 986                    viaparinfo->io_virt + VIA_REG_DIMENSION);
 987         /* GE Command */
 988         writel((0x01 | direction | (0xCC << 24)),
 989                 viaparinfo->io_virt + VIA_REG_GECMD);
 990
 991 }
 992
 993 static void viafb_imageblit(struct fb_info *info,
 994         const struct fb_image *image)
 995 {
 996         u32 size, bg_col = 0, fg_col = 0, *udata;
 997         int i;
 998         int pitch;
 999
1000         if (!viafb_accel) {
1001                 cfb_imageblit(info, image);
1002                 return;
1003         }
1004
1005         udata = (u32 *) image->data;
1006
1007         switch (info->var.bits_per_pixel) {
1008         case 8:
1009                 bg_col = image->bg_color;
1010                 fg_col = image->fg_color;
1011                 break;
1012         case 16:
1013                 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
1014                 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
1015                 break;
1016         case 32:
1017                 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
1018                 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
1019                 break;
1020         }
1021         size = image->width * image->height;
1022
1023         /* Source Base Address */
1024         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
1025         /* Destination Base Address */
1026         writel(((unsigned long) (info->screen_base) -
1027                    (unsigned long) viafb_FB_MM) >> 3,
1028                    viaparinfo->io_virt + VIA_REG_DSTBASE);
1029         /* Pitch */
1030         pitch = (info->var.xres_virtual + 7) & ~7;
1031         writel(VIA_PITCH_ENABLE |
1032                    (((pitch *
1033                       info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
1034                                                                 info->var.
1035                                                                 bits_per_pixel
1036                                                                 >> 3) >> 3)
1037                                                               << 16)),
1038                                 viaparinfo->io_virt + VIA_REG_PITCH);
1039         /* BitBlt Source Address */
1040         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
1041         /* BitBlt Destination Address */
1042         writel(((image->dy << 16) | image->dx),
1043                 viaparinfo->io_virt + VIA_REG_DSTPOS);
1044         /* Dimension: width & height */
1045         writel((((image->height - 1) << 16) | (image->width - 1)),
1046                    viaparinfo->io_virt + VIA_REG_DIMENSION);
1047         /* fb color */
1048         writel(fg_col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
1049         /* bg color */
1050         writel(bg_col, viaparinfo->io_virt + VIA_REG_BGCOLOR);
1051         /* GE Command */
1052         writel(0xCC020142, viaparinfo->io_virt + VIA_REG_GECMD);
1053
1054         for (i = 0; i < size / 4; i++) {
1055                 writel(*udata, viaparinfo->io_virt + VIA_MMIO_BLTBASE);
1056                 udata++;
1057         }
1058
1059 }
1060
1061 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
1062 {
1063         u32 temp, xx, yy, bg_col = 0, fg_col = 0;
1064         int i, j = 0;
1065         static int hw_cursor;
1066         struct viafb_par *p_viafb_par;
1067
1068         if (viafb_accel)
1069                 hw_cursor = 1;
1070
1071         if (!viafb_accel) {
1072                 if (hw_cursor) {
1073                         viafb_show_hw_cursor(info, HW_Cursor_OFF);
1074                         hw_cursor = 0;
1075                 }
1076                 return -ENODEV;
1077         }
1078
1079         if ((((struct viafb_par *)(info->par))->iga_path == IGA2)
1080             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1081                 return -ENODEV;
1082
1083         /* When duoview and using lcd , use soft cursor */
1084         if (viafb_LCD_ON || ((struct viafb_par *)(info->par))->duoview)
1085                 return -ENODEV;
1086
1087         viafb_show_hw_cursor(info, HW_Cursor_OFF);
1088         viacursor = *cursor;
1089
1090         if (cursor->set & FB_CUR_SETHOT) {
1091                 viacursor.hot = cursor->hot;
1092                 temp = ((viacursor.hot.x) << 16) + viacursor.hot.y;
1093                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_ORG);
1094         }
1095
1096         if (cursor->set & FB_CUR_SETPOS) {
1097                 viacursor.image.dx = cursor->image.dx;
1098                 viacursor.image.dy = cursor->image.dy;
1099                 yy = cursor->image.dy - info->var.yoffset;
1100                 xx = cursor->image.dx - info->var.xoffset;
1101                 temp = yy & 0xFFFF;
1102                 temp |= (xx << 16);
1103                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_POS);
1104         }
1105
1106         if (cursor->set & FB_CUR_SETSIZE) {
1107                 temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1108
1109                 if ((cursor->image.width <= 32)
1110                     && (cursor->image.height <= 32)) {
1111                         MAX_CURS = 32;
1112                         temp |= 0x2;
1113                 } else if ((cursor->image.width <= 64)
1114                            && (cursor->image.height <= 64)) {
1115                         MAX_CURS = 64;
1116                         temp &= 0xFFFFFFFD;
1117                 } else {
1118                         DEBUG_MSG(KERN_INFO
1119                         "The cursor image is biger than 64x64 bits...\n");
1120                         return -ENXIO;
1121                 }
1122                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1123
1124                 viacursor.image.height = cursor->image.height;
1125                 viacursor.image.width = cursor->image.width;
1126         }
1127
1128         if (cursor->set & FB_CUR_SETCMAP) {
1129                 viacursor.image.fg_color = cursor->image.fg_color;
1130                 viacursor.image.bg_color = cursor->image.bg_color;
1131
1132                 switch (info->var.bits_per_pixel) {
1133                 case 8:
1134                 case 16:
1135                 case 32:
1136                         bg_col =
1137                             (0xFF << 24) |
1138                             (((info->cmap.red)[viacursor.image.bg_color] &
1139                             0xFF00) << 8) |
1140                             ((info->cmap.green)[viacursor.image.bg_color] &
1141                             0xFF00) |
1142                             (((info->cmap.blue)[viacursor.image.bg_color] &
1143                             0xFF00) >> 8);
1144                         fg_col =
1145                             (0xFF << 24) |
1146                             (((info->cmap.red)[viacursor.image.fg_color] &
1147                             0xFF00) << 8) |
1148                             ((info->cmap.green)[viacursor.image.fg_color] &
1149                             0xFF00) |
1150                             (((info->cmap.blue)[viacursor.image.fg_color] &
1151                             0xFF00) >> 8);
1152                         break;
1153                 default:
1154                         return 0;
1155                 }
1156
1157                 /* This is indeed a patch for VT3324/VT3353 */
1158                 if (!info->par)
1159                         return 0;
1160                 p_viafb_par = (struct viafb_par *)info->par;
1161
1162                 if ((p_viafb_par->chip_info->gfx_chip_name ==
1163                         UNICHROME_CX700) ||
1164                         ((p_viafb_par->chip_info->gfx_chip_name ==
1165                         UNICHROME_VX800))) {
1166                         bg_col =
1167                             (((info->cmap.red)[viacursor.image.bg_color] &
1168                             0xFFC0) << 14) |
1169                             (((info->cmap.green)[viacursor.image.bg_color] &
1170                             0xFFC0) << 4) |
1171                             (((info->cmap.blue)[viacursor.image.bg_color] &
1172                             0xFFC0) >> 6);
1173                         fg_col =
1174                             (((info->cmap.red)[viacursor.image.fg_color] &
1175                             0xFFC0) << 14) |
1176                             (((info->cmap.green)[viacursor.image.fg_color] &
1177                             0xFFC0) << 4) |
1178                             (((info->cmap.blue)[viacursor.image.fg_color] &
1179                             0xFFC0) >> 6);
1180                 }
1181
1182                 writel(bg_col, viaparinfo->io_virt + VIA_REG_CURSOR_BG);
1183                 writel(fg_col, viaparinfo->io_virt + VIA_REG_CURSOR_FG);
1184         }
1185
1186         if (cursor->set & FB_CUR_SETSHAPE) {
1187                 struct {
1188                         u8 data[CURSOR_SIZE / 8];
1189                         u32 bak[CURSOR_SIZE / 32];
1190                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
1191                 int size =
1192                     ((viacursor.image.width + 7) >> 3) *
1193                     viacursor.image.height;
1194
1195                 if (cr_data == NULL)
1196                         goto out;
1197
1198                 if (MAX_CURS == 32) {
1199                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1200                                 cr_data->bak[i] = 0x0;
1201                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
1202                                 i += 1;
1203                         }
1204                 } else if (MAX_CURS == 64) {
1205                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1206                                 cr_data->bak[i] = 0x0;
1207                                 cr_data->bak[i + 1] = 0x0;
1208                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
1209                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
1210                                 i += 3;
1211                         }
1212                 }
1213
1214                 switch (viacursor.rop) {
1215                 case ROP_XOR:
1216                         for (i = 0; i < size; i++)
1217                                 cr_data->data[i] = viacursor.mask[i];
1218                         break;
1219                 case ROP_COPY:
1220
1221                         for (i = 0; i < size; i++)
1222                                 cr_data->data[i] = viacursor.mask[i];
1223                         break;
1224                 default:
1225                         break;
1226                 }
1227
1228                 if (MAX_CURS == 32) {
1229                         for (i = 0; i < size; i++) {
1230                                 cr_data->bak[j] = (u32) cr_data->data[i];
1231                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
1232                                 j += 2;
1233                         }
1234                 } else if (MAX_CURS == 64) {
1235                         for (i = 0; i < size; i++) {
1236                                 cr_data->bak[j] = (u32) cr_data->data[i];
1237                                 cr_data->bak[j + 1] = 0x0;
1238                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
1239                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
1240                                 j += 4;
1241                         }
1242                 }
1243
1244                 memcpy(((struct viafb_par *)(info->par))->fbmem_virt +
1245                        ((struct viafb_par *)(info->par))->cursor_start,
1246                        cr_data->bak, CURSOR_SIZE);
1247 out:
1248                 kfree(cr_data);
1249         }
1250
1251         if (viacursor.enable)
1252                 viafb_show_hw_cursor(info, HW_Cursor_ON);
1253
1254         return 0;
1255 }
1256
1257 static int viafb_sync(struct fb_info *info)
1258 {
1259         if (viafb_accel)
1260                 viafb_wait_engine_idle();
1261         return 0;
1262 }
1263
1264 int viafb_get_mode_index(int hres, int vres)
1265 {
1266         u32 i;
1267         DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
1268
1269         for (i = 0; viafb_modentry[i].mode_index != VIA_RES_INVALID; i++)
1270                 if (viafb_modentry[i].xres == hres &&
1271                         viafb_modentry[i].yres == vres)
1272                         break;
1273
1274         return viafb_modentry[i].mode_index;
1275 }
1276
1277 static void check_available_device_to_enable(int device_id)
1278 {
1279         int device_num = 0;
1280
1281         /* Initialize: */
1282         viafb_CRT_ON = STATE_OFF;
1283         viafb_DVI_ON = STATE_OFF;
1284         viafb_LCD_ON = STATE_OFF;
1285         viafb_LCD2_ON = STATE_OFF;
1286         viafb_DeviceStatus = None_Device;
1287
1288         if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1289                 viafb_CRT_ON = STATE_ON;
1290                 device_num++;
1291                 viafb_DeviceStatus |= CRT_Device;
1292         }
1293
1294         if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1295                 viafb_DVI_ON = STATE_ON;
1296                 device_num++;
1297                 viafb_DeviceStatus |= DVI_Device;
1298         }
1299
1300         if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1301                 viafb_LCD_ON = STATE_ON;
1302                 device_num++;
1303                 viafb_DeviceStatus |= LCD_Device;
1304         }
1305
1306         if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1307                 viafb_LCD2_ON = STATE_ON;
1308                 device_num++;
1309                 viafb_DeviceStatus |= LCD2_Device;
1310         }
1311
1312         if (viafb_DeviceStatus == None_Device) {
1313                 /* Use CRT as default active device: */
1314                 viafb_CRT_ON = STATE_ON;
1315                 viafb_DeviceStatus = CRT_Device;
1316         }
1317         DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1318 }
1319
1320 static void viafb_set_device(struct device_t active_dev)
1321 {
1322         /* Check available device to enable: */
1323         int device_id = None_Device;
1324         if (active_dev.crt)
1325                 device_id |= CRT_Device;
1326         if (active_dev.dvi)
1327                 device_id |= DVI_Device;
1328         if (active_dev.lcd)
1329                 device_id |= LCD_Device;
1330
1331         check_available_device_to_enable(device_id);
1332
1333         /* Check property of LCD: */
1334         if (viafb_LCD_ON) {
1335                 if (active_dev.lcd_dsp_cent) {
1336                         viaparinfo->lvds_setting_info->display_method =
1337                                 viafb_lcd_dsp_method = LCD_CENTERING;
1338                 } else {
1339                         viaparinfo->lvds_setting_info->display_method =
1340                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1341                 }
1342
1343                 if (active_dev.lcd_mode == LCD_SPWG) {
1344                         viaparinfo->lvds_setting_info->lcd_mode =
1345                                 viafb_lcd_mode = LCD_SPWG;
1346                 } else {
1347                         viaparinfo->lvds_setting_info->lcd_mode =
1348                                 viafb_lcd_mode = LCD_OPENLDI;
1349                 }
1350
1351                 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1352                         viafb_lcd_panel_id = active_dev.lcd_panel_id;
1353                         viafb_init_lcd_size();
1354                 }
1355         }
1356
1357         /* Check property of mode: */
1358         if (!active_dev.xres1)
1359                 viafb_second_xres = 640;
1360         else
1361                 viafb_second_xres = active_dev.xres1;
1362         if (!active_dev.yres1)
1363                 viafb_second_yres = 480;
1364         else
1365                 viafb_second_yres = active_dev.yres1;
1366         if (active_dev.bpp != 0)
1367                 viafb_bpp = active_dev.bpp;
1368         if (active_dev.bpp1 != 0)
1369                 viafb_bpp1 = active_dev.bpp1;
1370         if (active_dev.refresh != 0)
1371                 viafb_refresh = active_dev.refresh;
1372         if (active_dev.refresh1 != 0)
1373                 viafb_refresh1 = active_dev.refresh1;
1374         if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1375                 viafb_SAMM_ON = active_dev.samm;
1376         viafb_primary_dev = active_dev.primary_dev;
1377
1378         viafb_set_start_addr();
1379         viafb_set_iga_path();
1380 }
1381
1382 static void viafb_set_video_device(u32 video_dev_info)
1383 {
1384         viaparinfo->video_on_crt = STATE_OFF;
1385         viaparinfo->video_on_dvi = STATE_OFF;
1386         viaparinfo->video_on_lcd = STATE_OFF;
1387
1388         /* Check available device to enable: */
1389         if ((video_dev_info & CRT_Device) == CRT_Device)
1390                 viaparinfo->video_on_crt = STATE_ON;
1391         else if ((video_dev_info & DVI_Device) == DVI_Device)
1392                 viaparinfo->video_on_dvi = STATE_ON;
1393         else if ((video_dev_info & LCD_Device) == LCD_Device)
1394                 viaparinfo->video_on_lcd = STATE_ON;
1395 }
1396
1397 static void viafb_get_video_device(u32 *video_dev_info)
1398 {
1399         *video_dev_info = None_Device;
1400         if (viaparinfo->video_on_crt == STATE_ON)
1401                 *video_dev_info |= CRT_Device;
1402         else if (viaparinfo->video_on_dvi == STATE_ON)
1403                 *video_dev_info |= DVI_Device;
1404         else if (viaparinfo->video_on_lcd == STATE_ON)
1405                 *video_dev_info |= LCD_Device;
1406 }
1407
1408 static int get_primary_device(void)
1409 {
1410         int primary_device = 0;
1411         /* Rule: device on iga1 path are the primary device. */
1412         if (viafb_SAMM_ON) {
1413                 if (viafb_CRT_ON) {
1414                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1415                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1416                                         viaparinfo->
1417                                         crt_setting_info->iga_path);
1418                                 primary_device = CRT_Device;
1419                         }
1420                 }
1421                 if (viafb_DVI_ON) {
1422                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1423                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1424                                         viaparinfo->
1425                                         tmds_setting_info->iga_path);
1426                                 primary_device = DVI_Device;
1427                         }
1428                 }
1429                 if (viafb_LCD_ON) {
1430                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1431                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1432                                         viaparinfo->
1433                                         lvds_setting_info->iga_path);
1434                                 primary_device = LCD_Device;
1435                         }
1436                 }
1437                 if (viafb_LCD2_ON) {
1438                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1439                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1440                                         viaparinfo->
1441                                         lvds_setting_info2->iga_path);
1442                                 primary_device = LCD2_Device;
1443                         }
1444                 }
1445         }
1446         return primary_device;
1447 }
1448
1449 static u8 is_duoview(void)
1450 {
1451         if (0 == viafb_SAMM_ON) {
1452                 if (viafb_LCD_ON + viafb_LCD2_ON +
1453                         viafb_DVI_ON + viafb_CRT_ON == 2)
1454                         return true;
1455                 return false;
1456         } else {
1457                 return false;
1458         }
1459 }
1460
1461 static void apply_second_mode_setting(struct fb_var_screeninfo
1462         *sec_var)
1463 {
1464         u32 htotal, vtotal, long_refresh;
1465
1466         htotal = sec_var->xres + sec_var->left_margin +
1467                 sec_var->right_margin + sec_var->hsync_len;
1468         vtotal = sec_var->yres + sec_var->upper_margin +
1469                 sec_var->lower_margin + sec_var->vsync_len;
1470         if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1471                 /*Is 32 bytes alignment? */
1472                 /*32 pixel alignment */
1473                 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1474         }
1475
1476         htotal = sec_var->xres + sec_var->left_margin +
1477                 sec_var->right_margin + sec_var->hsync_len;
1478         vtotal = sec_var->yres + sec_var->upper_margin +
1479                 sec_var->lower_margin + sec_var->vsync_len;
1480         long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1481         long_refresh /= (htotal * vtotal);
1482
1483         viafb_second_xres = sec_var->xres;
1484         viafb_second_yres = sec_var->yres;
1485         viafb_second_virtual_xres = sec_var->xres_virtual;
1486         viafb_second_virtual_yres = sec_var->yres_virtual;
1487         viafb_bpp1 = sec_var->bits_per_pixel;
1488         viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1489                 long_refresh);
1490 }
1491
1492 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1493         struct fb_info *info)
1494 {
1495         int need_set_mode = 0;
1496         DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1497
1498         if (setting_info.device_flag) {
1499                 need_set_mode = 1;
1500                 check_available_device_to_enable(setting_info.device_status);
1501         }
1502
1503         /* Unlock LCD's operation according to LCD flag
1504            and check if the setting value is valid. */
1505         /* If the value is valid, apply the new setting value to the device. */
1506         if (viafb_LCD_ON) {
1507                 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1508                         need_set_mode = 1;
1509                         if (setting_info.lcd_attributes.display_center) {
1510                                 /* Centering */
1511                                 viaparinfo->lvds_setting_info->display_method =
1512                                     LCD_CENTERING;
1513                                 viafb_lcd_dsp_method = LCD_CENTERING;
1514                                 viaparinfo->lvds_setting_info2->display_method =
1515                                     viafb_lcd_dsp_method = LCD_CENTERING;
1516                         } else {
1517                                 /* expandsion */
1518                                 viaparinfo->lvds_setting_info->display_method =
1519                                     LCD_EXPANDSION;
1520                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1521                                 viaparinfo->lvds_setting_info2->display_method =
1522                                     LCD_EXPANDSION;
1523                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1524                         }
1525                 }
1526
1527                 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1528                         need_set_mode = 1;
1529                         if (setting_info.lcd_attributes.lcd_mode ==
1530                                 LCD_SPWG) {
1531                                 viaparinfo->lvds_setting_info->lcd_mode =
1532                                         viafb_lcd_mode = LCD_SPWG;
1533                         } else {
1534                                 viaparinfo->lvds_setting_info->lcd_mode =
1535                                         viafb_lcd_mode = LCD_OPENLDI;
1536                         }
1537                         viaparinfo->lvds_setting_info2->lcd_mode =
1538                             viaparinfo->lvds_setting_info->lcd_mode;
1539                 }
1540
1541                 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1542                         need_set_mode = 1;
1543                         if (setting_info.lcd_attributes.panel_id <=
1544                             LCD_PANEL_ID_MAXIMUM) {
1545                                 viafb_lcd_panel_id =
1546                                     setting_info.lcd_attributes.panel_id;
1547                                 viafb_init_lcd_size();
1548                         }
1549                 }
1550         }
1551
1552         if (0 != (setting_info.samm_status & OP_SAMM)) {
1553                 setting_info.samm_status =
1554                     setting_info.samm_status & (~OP_SAMM);
1555                 if (setting_info.samm_status == 0
1556                     || setting_info.samm_status == 1) {
1557                         viafb_SAMM_ON = setting_info.samm_status;
1558
1559                         if (viafb_SAMM_ON)
1560                                 viafb_primary_dev = setting_info.primary_device;
1561
1562                         viafb_set_start_addr();
1563                         viafb_set_iga_path();
1564                 }
1565                 need_set_mode = 1;
1566         }
1567
1568         viaparinfo->duoview = is_duoview();
1569
1570         if (!need_set_mode) {
1571                 ;
1572         } else {
1573                 viafb_set_iga_path();
1574                 viafb_set_par(info);
1575         }
1576         return true;
1577 }
1578
1579 static void retrieve_device_setting(struct viafb_ioctl_setting
1580         *setting_info)
1581 {
1582
1583         /* get device status */
1584         if (viafb_CRT_ON == 1)
1585                 setting_info->device_status = CRT_Device;
1586         if (viafb_DVI_ON == 1)
1587                 setting_info->device_status |= DVI_Device;
1588         if (viafb_LCD_ON == 1)
1589                 setting_info->device_status |= LCD_Device;
1590         if (viafb_LCD2_ON == 1)
1591                 setting_info->device_status |= LCD2_Device;
1592         if ((viaparinfo->video_on_crt == 1) && (viafb_CRT_ON == 1)) {
1593                 setting_info->video_device_status =
1594                         viaparinfo->crt_setting_info->iga_path;
1595         } else if ((viaparinfo->video_on_dvi == 1) && (viafb_DVI_ON == 1)) {
1596                 setting_info->video_device_status =
1597                         viaparinfo->tmds_setting_info->iga_path;
1598         } else if ((viaparinfo->video_on_lcd == 1) && (viafb_LCD_ON == 1)) {
1599                 setting_info->video_device_status =
1600                         viaparinfo->lvds_setting_info->iga_path;
1601         } else {
1602                 setting_info->video_device_status = 0;
1603         }
1604
1605         setting_info->samm_status = viafb_SAMM_ON;
1606         setting_info->primary_device = get_primary_device();
1607
1608         setting_info->first_dev_bpp = viafb_bpp;
1609         setting_info->second_dev_bpp = viafb_bpp1;
1610
1611         setting_info->first_dev_refresh = viafb_refresh;
1612         setting_info->second_dev_refresh = viafb_refresh1;
1613
1614         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1615         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1616         setting_info->second_dev_hor_res = viafb_second_xres;
1617         setting_info->second_dev_ver_res = viafb_second_yres;
1618
1619         /* Get lcd attributes */
1620         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1621         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1622         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1623 }
1624
1625 static void parse_active_dev(void)
1626 {
1627         viafb_CRT_ON = STATE_OFF;
1628         viafb_DVI_ON = STATE_OFF;
1629         viafb_LCD_ON = STATE_OFF;
1630         viafb_LCD2_ON = STATE_OFF;
1631         /* 1. Modify the active status of devices. */
1632         /* 2. Keep the order of devices, so we can set corresponding
1633            IGA path to devices in SAMM case. */
1634         /*    Note: The previous of active_dev is primary device,
1635            and the following is secondary device. */
1636         if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
1637                 /* CRT+DVI */
1638                 viafb_CRT_ON = STATE_ON;
1639                 viafb_DVI_ON = STATE_ON;
1640                 viafb_primary_dev = CRT_Device;
1641         } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
1642                 /* DVI+CRT */
1643                 viafb_CRT_ON = STATE_ON;
1644                 viafb_DVI_ON = STATE_ON;
1645                 viafb_primary_dev = DVI_Device;
1646         } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
1647                 /* CRT+LCD */
1648                 viafb_CRT_ON = STATE_ON;
1649                 viafb_LCD_ON = STATE_ON;
1650                 viafb_primary_dev = CRT_Device;
1651         } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
1652                 /* LCD+CRT */
1653                 viafb_CRT_ON = STATE_ON;
1654                 viafb_LCD_ON = STATE_ON;
1655                 viafb_primary_dev = LCD_Device;
1656         } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
1657                 /* DVI+LCD */
1658                 viafb_DVI_ON = STATE_ON;
1659                 viafb_LCD_ON = STATE_ON;
1660                 viafb_primary_dev = DVI_Device;
1661         } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
1662                 /* LCD+DVI */
1663                 viafb_DVI_ON = STATE_ON;
1664                 viafb_LCD_ON = STATE_ON;
1665                 viafb_primary_dev = LCD_Device;
1666         } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
1667                 viafb_LCD_ON = STATE_ON;
1668                 viafb_LCD2_ON = STATE_ON;
1669                 viafb_primary_dev = LCD_Device;
1670         } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
1671                 viafb_LCD_ON = STATE_ON;
1672                 viafb_LCD2_ON = STATE_ON;
1673                 viafb_primary_dev = LCD2_Device;
1674         } else if (!strncmp(viafb_active_dev, "CRT", 3)) {
1675                 /* CRT only */
1676                 viafb_CRT_ON = STATE_ON;
1677                 viafb_SAMM_ON = STATE_OFF;
1678         } else if (!strncmp(viafb_active_dev, "DVI", 3)) {
1679                 /* DVI only */
1680                 viafb_DVI_ON = STATE_ON;
1681                 viafb_SAMM_ON = STATE_OFF;
1682         } else if (!strncmp(viafb_active_dev, "LCD", 3)) {
1683                 /* LCD only */
1684                 viafb_LCD_ON = STATE_ON;
1685                 viafb_SAMM_ON = STATE_OFF;
1686         } else {
1687                 viafb_CRT_ON = STATE_ON;
1688                 viafb_SAMM_ON = STATE_OFF;
1689         }
1690         viaparinfo->duoview = is_duoview();
1691 }
1692
1693 static void parse_video_dev(void)
1694 {
1695         viaparinfo->video_on_crt = STATE_OFF;
1696         viaparinfo->video_on_dvi = STATE_OFF;
1697         viaparinfo->video_on_lcd = STATE_OFF;
1698
1699         if (!strncmp(viafb_video_dev, "CRT", 3)) {
1700                 /* Video on CRT */
1701                 viaparinfo->video_on_crt = STATE_ON;
1702         } else if (!strncmp(viafb_video_dev, "DVI", 3)) {
1703                 /* Video on DVI */
1704                 viaparinfo->video_on_dvi = STATE_ON;
1705         } else if (!strncmp(viafb_video_dev, "LCD", 3)) {
1706                 /* Video on LCD */
1707                 viaparinfo->video_on_lcd = STATE_ON;
1708         }
1709 }
1710
1711 static int parse_port(char *opt_str, int *output_interface)
1712 {
1713         if (!strncmp(opt_str, "DVP0", 4))
1714                 *output_interface = INTERFACE_DVP0;
1715         else if (!strncmp(opt_str, "DVP1", 4))
1716                 *output_interface = INTERFACE_DVP1;
1717         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1718                 *output_interface = INTERFACE_DFP;
1719         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1720                 *output_interface = INTERFACE_DFP_HIGH;
1721         else if (!strncmp(opt_str, "DFP_LOW", 7))
1722                 *output_interface = INTERFACE_DFP_LOW;
1723         else
1724                 *output_interface = INTERFACE_NONE;
1725         return 0;
1726 }
1727
1728 static void parse_lcd_port(void)
1729 {
1730         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1731                 output_interface);
1732         /*Initialize to avoid unexpected behavior */
1733         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1734         INTERFACE_NONE;
1735
1736         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1737                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1738                   output_interface);
1739 }
1740
1741 static void parse_dvi_port(void)
1742 {
1743         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1744                 output_interface);
1745
1746         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1747                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1748                   output_interface);
1749 }
1750
1751 /*
1752  * The proc filesystem read/write function, a simple proc implement to
1753  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1754  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1755  * CR9B,    SR65,    CR97,    CR99
1756  */
1757 static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset,
1758 int count, int *eof, void *data)
1759 {
1760         int len = 0;
1761         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1762         dvp0_data_dri =
1763             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1764             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1765         dvp0_clk_dri =
1766             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1767             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1768         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1769         len +=
1770             sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1771         *eof = 1;               /*Inform kernel end of data */
1772         return len;
1773 }
1774 static int viafb_dvp0_proc_write(struct file *file,
1775         const char __user *buffer, unsigned long count, void *data)
1776 {
1777         char buf[20], *value, *pbuf;
1778         u8 reg_val = 0;
1779         unsigned long length, i;
1780         if (count < 1)
1781                 return -EINVAL;
1782         length = count > 20 ? 20 : count;
1783         if (copy_from_user(&buf[0], buffer, length))
1784                 return -EFAULT;
1785         buf[length - 1] = '\0'; /*Ensure end string */
1786         pbuf = &buf[0];
1787         for (i = 0; i < 3; i++) {
1788                 value = strsep(&pbuf, " ");
1789                 if (value != NULL) {
1790                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1791                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1792                                   reg_val);
1793                         switch (i) {
1794                         case 0:
1795                                 viafb_write_reg_mask(CR96, VIACR,
1796                                         reg_val, 0x0f);
1797                                 break;
1798                         case 1:
1799                                 viafb_write_reg_mask(SR2A, VIASR,
1800                                         reg_val << 4, BIT5);
1801                                 viafb_write_reg_mask(SR1B, VIASR,
1802                                         reg_val << 1, BIT1);
1803                                 break;
1804                         case 2:
1805                                 viafb_write_reg_mask(SR2A, VIASR,
1806                                         reg_val << 3, BIT4);
1807                                 viafb_write_reg_mask(SR1E, VIASR,
1808                                         reg_val << 2, BIT2);
1809                                 break;
1810                         default:
1811                                 break;
1812                         }
1813                 } else {
1814                         break;
1815                 }
1816         }
1817         return count;
1818 }
1819 static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset,
1820         int count, int *eof, void *data)
1821 {
1822         int len = 0;
1823         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1824         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1825         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1826         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1827         len +=
1828             sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1829         *eof = 1;               /*Inform kernel end of data */
1830         return len;
1831 }
1832 static int viafb_dvp1_proc_write(struct file *file,
1833         const char __user *buffer, unsigned long count, void *data)
1834 {
1835         char buf[20], *value, *pbuf;
1836         u8 reg_val = 0;
1837         unsigned long length, i;
1838         if (count < 1)
1839                 return -EINVAL;
1840         length = count > 20 ? 20 : count;
1841         if (copy_from_user(&buf[0], buffer, length))
1842                 return -EFAULT;
1843         buf[length - 1] = '\0'; /*Ensure end string */
1844         pbuf = &buf[0];
1845         for (i = 0; i < 3; i++) {
1846                 value = strsep(&pbuf, " ");
1847                 if (value != NULL) {
1848                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1849                         switch (i) {
1850                         case 0:
1851                                 viafb_write_reg_mask(CR9B, VIACR,
1852                                         reg_val, 0x0f);
1853                                 break;
1854                         case 1:
1855                                 viafb_write_reg_mask(SR65, VIASR,
1856                                         reg_val << 2, 0x0c);
1857                                 break;
1858                         case 2:
1859                                 viafb_write_reg_mask(SR65, VIASR,
1860                                         reg_val, 0x03);
1861                                 break;
1862                         default:
1863                                 break;
1864                         }
1865                 } else {
1866                         break;
1867                 }
1868         }
1869         return count;
1870 }
1871
1872 static int viafb_dfph_proc_read(char *buf, char **start, off_t offset,
1873         int count, int *eof, void *data)
1874 {
1875         int len = 0;
1876         u8 dfp_high = 0;
1877         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1878         len += sprintf(buf + len, "%x\n", dfp_high);
1879         *eof = 1;               /*Inform kernel end of data */
1880         return len;
1881 }
1882 static int viafb_dfph_proc_write(struct file *file,
1883         const char __user *buffer, unsigned long count, void *data)
1884 {
1885         char buf[20];
1886         u8 reg_val = 0;
1887         unsigned long length;
1888         if (count < 1)
1889                 return -EINVAL;
1890         length = count > 20 ? 20 : count;
1891         if (copy_from_user(&buf[0], buffer, length))
1892                 return -EFAULT;
1893         buf[length - 1] = '\0'; /*Ensure end string */
1894         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1895         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1896         return count;
1897 }
1898 static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset,
1899         int count, int *eof, void *data)
1900 {
1901         int len = 0;
1902         u8 dfp_low = 0;
1903         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1904         len += sprintf(buf + len, "%x\n", dfp_low);
1905         *eof = 1;               /*Inform kernel end of data */
1906         return len;
1907 }
1908 static int viafb_dfpl_proc_write(struct file *file,
1909         const char __user *buffer, unsigned long count, void *data)
1910 {
1911         char buf[20];
1912         u8 reg_val = 0;
1913         unsigned long length;
1914         if (count < 1)
1915                 return -EINVAL;
1916         length = count > 20 ? 20 : count;
1917         if (copy_from_user(&buf[0], buffer, length))
1918                 return -EFAULT;
1919         buf[length - 1] = '\0'; /*Ensure end string */
1920         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1921         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1922         return count;
1923 }
1924 static int viafb_vt1636_proc_read(char *buf, char **start,
1925         off_t offset, int count, int *eof, void *data)
1926 {
1927         int len = 0;
1928         u8 vt1636_08 = 0, vt1636_09 = 0;
1929         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1930         case VT1636_LVDS:
1931                 vt1636_08 =
1932                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1933                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1934                 vt1636_09 =
1935                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1936                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1937                 len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09);
1938                 break;
1939         default:
1940                 break;
1941         }
1942         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1943         case VT1636_LVDS:
1944                 vt1636_08 =
1945                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1946                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1947                 vt1636_09 =
1948                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1949                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1950                 len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09);
1951                 break;
1952         default:
1953                 break;
1954         }
1955         *eof = 1;               /*Inform kernel end of data */
1956         return len;
1957 }
1958 static int viafb_vt1636_proc_write(struct file *file,
1959         const char __user *buffer, unsigned long count, void *data)
1960 {
1961         char buf[30], *value, *pbuf;
1962         struct IODATA reg_val;
1963         unsigned long length, i;
1964         if (count < 1)
1965                 return -EINVAL;
1966         length = count > 30 ? 30 : count;
1967         if (copy_from_user(&buf[0], buffer, length))
1968                 return -EFAULT;
1969         buf[length - 1] = '\0'; /*Ensure end string */
1970         pbuf = &buf[0];
1971         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1972         case VT1636_LVDS:
1973                 for (i = 0; i < 2; i++) {
1974                         value = strsep(&pbuf, " ");
1975                         if (value != NULL) {
1976                                 strict_strtoul(value, 0,
1977                                         (unsigned long *)&reg_val.Data);
1978                                 switch (i) {
1979                                 case 0:
1980                                         reg_val.Index = 0x08;
1981                                         reg_val.Mask = 0x0f;
1982                                         viafb_gpio_i2c_write_mask_lvds
1983                                             (viaparinfo->lvds_setting_info,
1984                                             &viaparinfo->
1985                                             chip_info->lvds_chip_info,
1986                                              reg_val);
1987                                         break;
1988                                 case 1:
1989                                         reg_val.Index = 0x09;
1990                                         reg_val.Mask = 0x1f;
1991                                         viafb_gpio_i2c_write_mask_lvds
1992                                             (viaparinfo->lvds_setting_info,
1993                                             &viaparinfo->
1994                                             chip_info->lvds_chip_info,
1995                                              reg_val);
1996                                         break;
1997                                 default:
1998                                         break;
1999                                 }
2000                         } else {
2001                                 break;
2002                         }
2003                 }
2004                 break;
2005         default:
2006                 break;
2007         }
2008         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
2009         case VT1636_LVDS:
2010                 for (i = 0; i < 2; i++) {
2011                         value = strsep(&pbuf, " ");
2012                         if (value != NULL) {
2013                                 strict_strtoul(value, 0,
2014                                         (unsigned long *)&reg_val.Data);
2015                                 switch (i) {
2016                                 case 0:
2017                                         reg_val.Index = 0x08;
2018                                         reg_val.Mask = 0x0f;
2019                                         viafb_gpio_i2c_write_mask_lvds
2020                                             (viaparinfo->lvds_setting_info2,
2021                                             &viaparinfo->
2022                                             chip_info->lvds_chip_info2,
2023                                              reg_val);
2024                                         break;
2025                                 case 1:
2026                                         reg_val.Index = 0x09;
2027                                         reg_val.Mask = 0x1f;
2028                                         viafb_gpio_i2c_write_mask_lvds
2029                                             (viaparinfo->lvds_setting_info2,
2030                                             &viaparinfo->
2031                                             chip_info->lvds_chip_info2,
2032                                              reg_val);
2033                                         break;
2034                                 default:
2035                                         break;
2036                                 }
2037                         } else {
2038                                 break;
2039                         }
2040                 }
2041                 break;
2042         default:
2043                 break;
2044         }
2045         return count;
2046 }
2047
2048 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
2049 {
2050         struct proc_dir_entry *entry;
2051         *viafb_entry = proc_mkdir("viafb", NULL);
2052         if (viafb_entry) {
2053                 entry = create_proc_entry("dvp0", 0, *viafb_entry);
2054                 if (entry) {
2055                         entry->read_proc = viafb_dvp0_proc_read;
2056                         entry->write_proc = viafb_dvp0_proc_write;
2057                 }
2058                 entry = create_proc_entry("dvp1", 0, *viafb_entry);
2059                 if (entry) {
2060                         entry->read_proc = viafb_dvp1_proc_read;
2061                         entry->write_proc = viafb_dvp1_proc_write;
2062                 }
2063                 entry = create_proc_entry("dfph", 0, *viafb_entry);
2064                 if (entry) {
2065                         entry->read_proc = viafb_dfph_proc_read;
2066                         entry->write_proc = viafb_dfph_proc_write;
2067                 }
2068                 entry = create_proc_entry("dfpl", 0, *viafb_entry);
2069                 if (entry) {
2070                         entry->read_proc = viafb_dfpl_proc_read;
2071                         entry->write_proc = viafb_dfpl_proc_write;
2072                 }
2073                 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
2074                         lvds_chip_name || VT1636_LVDS ==
2075                     viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
2076                         entry = create_proc_entry("vt1636", 0, *viafb_entry);
2077                         if (entry) {
2078                                 entry->read_proc = viafb_vt1636_proc_read;
2079                                 entry->write_proc = viafb_vt1636_proc_write;
2080                         }
2081                 }
2082
2083         }
2084 }
2085 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
2086 {
2087         /* no problem if it was not registered */
2088         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
2089         remove_proc_entry("dvp1", viafb_entry);
2090         remove_proc_entry("dfph", viafb_entry);
2091         remove_proc_entry("dfpl", viafb_entry);
2092         remove_proc_entry("vt1636", viafb_entry);
2093         remove_proc_entry("vt1625", viafb_entry);
2094         remove_proc_entry("viafb", NULL);
2095 }
2096
2097 static int __devinit via_pci_probe(void)
2098 {
2099         unsigned long default_xres, default_yres;
2100         char *tmpc, *tmpm;
2101         char *tmpc_sec, *tmpm_sec;
2102         int vmode_index;
2103         u32 tmds_length, lvds_length, crt_length, chip_length, viafb_par_length;
2104
2105         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
2106
2107         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
2108         tmds_length = ALIGN(sizeof(struct tmds_setting_information),
2109                 BITS_PER_LONG/8);
2110         lvds_length = ALIGN(sizeof(struct lvds_setting_information),
2111                 BITS_PER_LONG/8);
2112         crt_length = ALIGN(sizeof(struct lvds_setting_information),
2113                 BITS_PER_LONG/8);
2114         chip_length = ALIGN(sizeof(struct chip_information), BITS_PER_LONG/8);
2115
2116         /* Allocate fb_info and ***_par here, also including some other needed
2117          * variables
2118         */
2119         viafbinfo = framebuffer_alloc(viafb_par_length + 2 * lvds_length +
2120         tmds_length + crt_length + chip_length, NULL);
2121         if (!viafbinfo) {
2122                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
2123                 return -ENODEV;
2124         }
2125
2126         viaparinfo = (struct viafb_par *)viafbinfo->par;
2127         viaparinfo->tmds_setting_info = (struct tmds_setting_information *)
2128                 ((unsigned long)viaparinfo + viafb_par_length);
2129         viaparinfo->lvds_setting_info = (struct lvds_setting_information *)
2130                 ((unsigned long)viaparinfo->tmds_setting_info + tmds_length);
2131         viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *)
2132                 ((unsigned long)viaparinfo->lvds_setting_info + lvds_length);
2133         viaparinfo->crt_setting_info = (struct crt_setting_information *)
2134                 ((unsigned long)viaparinfo->lvds_setting_info2 + lvds_length);
2135         viaparinfo->chip_info = (struct chip_information *)
2136                 ((unsigned long)viaparinfo->crt_setting_info + crt_length);
2137
2138         if (viafb_dual_fb)
2139                 viafb_SAMM_ON = 1;
2140         parse_active_dev();
2141         parse_video_dev();
2142         parse_lcd_port();
2143         parse_dvi_port();
2144
2145         /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
2146         if (!viafb_SAMM_ON)
2147                 viafb_dual_fb = 0;
2148
2149         /* Set up I2C bus stuff */
2150         viafb_create_i2c_bus(viaparinfo);
2151
2152         viafb_init_chip_info();
2153         viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize);
2154         viaparinfo->fbmem_free = viaparinfo->memsize;
2155         viaparinfo->fbmem_used = 0;
2156         viaparinfo->fbmem_virt = ioremap_nocache(viaparinfo->fbmem,
2157                 viaparinfo->memsize);
2158         viafbinfo->screen_base = (char *)viaparinfo->fbmem_virt;
2159
2160         if (!viaparinfo->fbmem_virt) {
2161                 printk(KERN_INFO "ioremap failed\n");
2162                 return -1;
2163         }
2164
2165         viafb_get_mmio_info(&viaparinfo->mmio_base, &viaparinfo->mmio_len);
2166         viaparinfo->io_virt = ioremap_nocache(viaparinfo->mmio_base,
2167                 viaparinfo->mmio_len);
2168
2169         viafbinfo->node = 0;
2170         viafbinfo->fbops = &viafb_ops;
2171         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
2172
2173         viafbinfo->pseudo_palette = pseudo_pal;
2174         if (viafb_accel) {
2175                 viafb_init_accel();
2176                 viafb_init_2d_engine();
2177                 viafb_hw_cursor_init();
2178         }
2179
2180         if (viafb_second_size && (viafb_second_size < 8)) {
2181                 viafb_second_offset = viaparinfo->fbmem_free -
2182                         viafb_second_size * 1024 * 1024;
2183         } else {
2184                 viafb_second_size = 8;
2185                 viafb_second_offset = viaparinfo->fbmem_free -
2186                         viafb_second_size * 1024 * 1024;
2187         }
2188
2189         viafb_FB_MM = viaparinfo->fbmem_virt;
2190         tmpm = viafb_mode;
2191         tmpc = strsep(&tmpm, "x");
2192         strict_strtoul(tmpc, 0, &default_xres);
2193         strict_strtoul(tmpm, 0, &default_yres);
2194
2195         vmode_index = viafb_get_mode_index(default_xres, default_yres);
2196         DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
2197
2198         if (viafb_SAMM_ON == 1) {
2199                 if (strcmp(viafb_mode, viafb_mode1)) {
2200                         tmpm_sec = viafb_mode1;
2201                         tmpc_sec = strsep(&tmpm_sec, "x");
2202                         strict_strtoul(tmpc_sec, 0,
2203                                 (unsigned long *)&viafb_second_xres);
2204                         strict_strtoul(tmpm_sec, 0,
2205                                 (unsigned long *)&viafb_second_yres);
2206                 } else {
2207                         viafb_second_xres = default_xres;
2208                         viafb_second_yres = default_yres;
2209                 }
2210                 if (0 == viafb_second_virtual_xres) {
2211                         switch (viafb_second_xres) {
2212                         case 1400:
2213                                 viafb_second_virtual_xres = 1408;
2214                                 break;
2215                         default:
2216                                 viafb_second_virtual_xres = viafb_second_xres;
2217                                 break;
2218                         }
2219                 }
2220                 if (0 == viafb_second_virtual_yres)
2221                         viafb_second_virtual_yres = viafb_second_yres;
2222         }
2223
2224         switch (viafb_bpp) {
2225         case 0 ... 8:
2226                 viafb_bpp = 8;
2227                 break;
2228         case 9 ... 16:
2229                 viafb_bpp = 16;
2230                 break;
2231         case 17 ... 32:
2232                 viafb_bpp = 32;
2233                 break;
2234         default:
2235                 viafb_bpp = 8;
2236         }
2237         default_var.xres = default_xres;
2238         default_var.yres = default_yres;
2239         switch (default_xres) {
2240         case 1400:
2241                 default_var.xres_virtual = 1408;
2242                 break;
2243         default:
2244                 default_var.xres_virtual = default_xres;
2245                 break;
2246         }
2247         default_var.yres_virtual = default_yres;
2248         default_var.bits_per_pixel = viafb_bpp;
2249         if (default_var.bits_per_pixel == 15)
2250                 default_var.bits_per_pixel = 16;
2251         default_var.pixclock =
2252             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
2253         default_var.left_margin = (default_xres >> 3) & 0xf8;
2254         default_var.right_margin = 32;
2255         default_var.upper_margin = 16;
2256         default_var.lower_margin = 4;
2257         default_var.hsync_len = default_var.left_margin;
2258         default_var.vsync_len = 4;
2259         default_var.accel_flags = 0;
2260
2261         if (viafb_accel) {
2262                 viafbinfo->flags |=
2263                     (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
2264                      FBINFO_HWACCEL_IMAGEBLIT);
2265                 default_var.accel_flags |= FB_ACCELF_TEXT;
2266         } else
2267                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
2268
2269         if (viafb_dual_fb) {
2270                 viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL);
2271                 if (!viafbinfo1) {
2272                         printk(KERN_ERR
2273                         "allocate the second framebuffer struct error\n");
2274                         framebuffer_release(viafbinfo);
2275                         return -ENOMEM;
2276                 }
2277                 viaparinfo1 = viafbinfo1->par;
2278                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
2279                 viaparinfo1->memsize = viaparinfo->memsize -
2280                         viafb_second_offset;
2281                 viaparinfo->memsize = viafb_second_offset;
2282                 viaparinfo1->fbmem_virt = viaparinfo->fbmem_virt +
2283                         viafb_second_offset;
2284                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
2285
2286                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
2287                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
2288                         viaparinfo1->fbmem_used;
2289                 viaparinfo->fbmem_free = viaparinfo->memsize;
2290                 viaparinfo->fbmem_used = 0;
2291                 if (viafb_accel) {
2292                         viaparinfo1->cursor_start =
2293                             viaparinfo->cursor_start - viafb_second_offset;
2294                         viaparinfo1->VQ_start = viaparinfo->VQ_start -
2295                                 viafb_second_offset;
2296                         viaparinfo1->VQ_end = viaparinfo->VQ_end -
2297                                 viafb_second_offset;
2298                 }
2299
2300                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2301                 viafbinfo1->screen_base = viafbinfo->screen_base +
2302                         viafb_second_offset;
2303                 viafbinfo1->fix.smem_start = viaparinfo1->fbmem;
2304                 viafbinfo1->fix.smem_len = viaparinfo1->fbmem_free;
2305
2306                 default_var.xres = viafb_second_xres;
2307                 default_var.yres = viafb_second_yres;
2308                 default_var.xres_virtual = viafb_second_virtual_xres;
2309                 default_var.yres_virtual = viafb_second_virtual_yres;
2310                 if (viafb_bpp1 != viafb_bpp)
2311                         viafb_bpp1 = viafb_bpp;
2312                 default_var.bits_per_pixel = viafb_bpp1;
2313                 default_var.pixclock =
2314                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2315                     viafb_refresh);
2316                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2317                 default_var.right_margin = 32;
2318                 default_var.upper_margin = 16;
2319                 default_var.lower_margin = 4;
2320                 default_var.hsync_len = default_var.left_margin;
2321                 default_var.vsync_len = 4;
2322
2323                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2324                 viafb_check_var(&default_var, viafbinfo1);
2325                 viafbinfo1->var = default_var;
2326                 viafb_update_viafb_par(viafbinfo);
2327                 viafb_update_fix(&viafbinfo1->fix, viafbinfo1);
2328         }
2329
2330         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2331         viafb_check_var(&default_var, viafbinfo);
2332         viafbinfo->var = default_var;
2333         viafb_update_viafb_par(viafbinfo);
2334         viafb_update_fix(&viafbinfo->fix, viafbinfo);
2335         default_var.activate = FB_ACTIVATE_NOW;
2336         fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2337
2338         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2339             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2340                 if (register_framebuffer(viafbinfo1) < 0)
2341                         return -EINVAL;
2342         }
2343         if (register_framebuffer(viafbinfo) < 0)
2344                 return -EINVAL;
2345
2346         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2347                         || (viaparinfo->chip_info->gfx_chip_name !=
2348                         UNICHROME_CLE266))) {
2349                 if (register_framebuffer(viafbinfo1) < 0)
2350                         return -EINVAL;
2351         }
2352         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2353                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2354                   default_var.yres, default_var.bits_per_pixel);
2355
2356         viafb_init_proc(&viaparinfo->proc_entry);
2357         viafb_init_dac(IGA2);
2358         return 0;
2359 }
2360
2361 static void __devexit via_pci_remove(void)
2362 {
2363         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2364         fb_dealloc_cmap(&viafbinfo->cmap);
2365         unregister_framebuffer(viafbinfo);
2366         if (viafb_dual_fb)
2367                 unregister_framebuffer(viafbinfo1);
2368         iounmap((void *)viaparinfo->fbmem_virt);
2369         iounmap(viaparinfo->io_virt);
2370
2371         viafb_delete_i2c_buss(viaparinfo);
2372
2373         framebuffer_release(viafbinfo);
2374         if (viafb_dual_fb)
2375                 framebuffer_release(viafbinfo1);
2376
2377         viafb_remove_proc(viaparinfo->proc_entry);
2378 }
2379
2380 #ifndef MODULE
2381 static int __init viafb_setup(char *options)
2382 {
2383         char *this_opt;
2384         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2385
2386         if (!options || !*options)
2387                 return 0;
2388
2389         while ((this_opt = strsep(&options, ",")) != NULL) {
2390                 if (!*this_opt)
2391                         continue;
2392
2393                 if (!strncmp(this_opt, "viafb_mode1=", 12))
2394                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2395                 else if (!strncmp(this_opt, "viafb_mode=", 11))
2396                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2397                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2398                         strict_strtoul(this_opt + 11, 0,
2399                                 (unsigned long *)&viafb_bpp1);
2400                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2401                         strict_strtoul(this_opt + 10, 0,
2402                                 (unsigned long *)&viafb_bpp);
2403                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2404                         strict_strtoul(this_opt + 15, 0,
2405                                 (unsigned long *)&viafb_refresh1);
2406                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2407                         strict_strtoul(this_opt + 14, 0,
2408                                 (unsigned long *)&viafb_refresh);
2409                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2410                         strict_strtoul(this_opt + 21, 0,
2411                                 (unsigned long *)&viafb_lcd_dsp_method);
2412                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2413                         strict_strtoul(this_opt + 19, 0,
2414                                 (unsigned long *)&viafb_lcd_panel_id);
2415                 else if (!strncmp(this_opt, "viafb_accel=", 12))
2416                         strict_strtoul(this_opt + 12, 0,
2417                                 (unsigned long *)&viafb_accel);
2418                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2419                         strict_strtoul(this_opt + 14, 0,
2420                                 (unsigned long *)&viafb_SAMM_ON);
2421                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2422                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2423                 else if (!strncmp(this_opt,
2424                         "viafb_display_hardware_layout=", 30))
2425                         strict_strtoul(this_opt + 30, 0,
2426                         (unsigned long *)&viafb_display_hardware_layout);
2427                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2428                         strict_strtoul(this_opt + 18, 0,
2429                                 (unsigned long *)&viafb_second_size);
2430                 else if (!strncmp(this_opt,
2431                         "viafb_platform_epia_dvi=", 24))
2432                         strict_strtoul(this_opt + 24, 0,
2433                                 (unsigned long *)&viafb_platform_epia_dvi);
2434                 else if (!strncmp(this_opt,
2435                         "viafb_device_lcd_dualedge=", 26))
2436                         strict_strtoul(this_opt + 26, 0,
2437                                 (unsigned long *)&viafb_device_lcd_dualedge);
2438                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2439                         strict_strtoul(this_opt + 16, 0,
2440                                 (unsigned long *)&viafb_bus_width);
2441                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2442                         strict_strtoul(this_opt + 15, 0,
2443                                 (unsigned long *)&viafb_lcd_mode);
2444                 else if (!strncmp(this_opt, "viafb_video_dev=", 16))
2445                         viafb_video_dev = kstrdup(this_opt + 16, GFP_KERNEL);
2446                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2447                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2448                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2449                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2450         }
2451         return 0;
2452 }
2453 #endif
2454
2455 static int __init viafb_init(void)
2456 {
2457 #ifndef MODULE
2458         char *option = NULL;
2459         if (fb_get_options("viafb", &option))
2460                 return -ENODEV;
2461         viafb_setup(option);
2462 #endif
2463         printk(KERN_INFO
2464        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2465                VERSION_MAJOR, VERSION_MINOR);
2466         return via_pci_probe();
2467 }
2468
2469 static void __exit viafb_exit(void)
2470 {
2471         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2472         via_pci_remove();
2473 }
2474
2475 static struct fb_ops viafb_ops = {
2476         .owner = THIS_MODULE,
2477         .fb_open = viafb_open,
2478         .fb_release = viafb_release,
2479         .fb_check_var = viafb_check_var,
2480         .fb_set_par = viafb_set_par,
2481         .fb_setcolreg = viafb_setcolreg,
2482         .fb_pan_display = viafb_pan_display,
2483         .fb_blank = viafb_blank,
2484         .fb_fillrect = viafb_fillrect,
2485         .fb_copyarea = viafb_copyarea,
2486         .fb_imageblit = viafb_imageblit,
2487         .fb_cursor = viafb_cursor,
2488         .fb_ioctl = viafb_ioctl,
2489         .fb_sync = viafb_sync,
2490         .fb_setcmap = viafb_setcmap,
2491 };
2492
2493 module_init(viafb_init);
2494 module_exit(viafb_exit);
2495
2496 #ifdef MODULE
2497 module_param(viafb_memsize, int, 0);
2498
2499 module_param(viafb_mode, charp, 0);
2500 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2501
2502 module_param(viafb_mode1, charp, 0);
2503 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2504
2505 module_param(viafb_bpp, int, 0);
2506 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2507
2508 module_param(viafb_bpp1, int, 0);
2509 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2510
2511 module_param(viafb_refresh, int, 0);
2512 MODULE_PARM_DESC(viafb_refresh,
2513         "Set CRT viafb_refresh rate (default = 60)");
2514
2515 module_param(viafb_refresh1, int, 0);
2516 MODULE_PARM_DESC(viafb_refresh1,
2517         "Set CRT refresh rate (default = 60)");
2518
2519 module_param(viafb_lcd_panel_id, int, 0);
2520 MODULE_PARM_DESC(viafb_lcd_panel_id,
2521         "Set Flat Panel type(Default=1024x768)");
2522
2523 module_param(viafb_lcd_dsp_method, int, 0);
2524 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2525         "Set Flat Panel display scaling method.(Default=Expandsion)");
2526
2527 module_param(viafb_SAMM_ON, int, 0);
2528 MODULE_PARM_DESC(viafb_SAMM_ON,
2529         "Turn on/off flag of SAMM(Default=OFF)");
2530
2531 module_param(viafb_accel, int, 0);
2532 MODULE_PARM_DESC(viafb_accel,
2533         "Set 2D Hardware Acceleration.(Default = OFF)");
2534
2535 module_param(viafb_active_dev, charp, 0);
2536 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2537
2538 module_param(viafb_display_hardware_layout, int, 0);
2539 MODULE_PARM_DESC(viafb_display_hardware_layout,
2540         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2541
2542 module_param(viafb_second_size, int, 0);
2543 MODULE_PARM_DESC(viafb_second_size,
2544         "Set secondary device memory size");
2545
2546 module_param(viafb_dual_fb, int, 0);
2547 MODULE_PARM_DESC(viafb_dual_fb,
2548         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2549
2550 module_param(viafb_platform_epia_dvi, int, 0);
2551 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2552         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2553
2554 module_param(viafb_device_lcd_dualedge, int, 0);
2555 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2556         "Turn on/off flag of dual edge panel.(Default = OFF)");
2557
2558 module_param(viafb_bus_width, int, 0);
2559 MODULE_PARM_DESC(viafb_bus_width,
2560         "Set bus width of panel.(Default = 12)");
2561
2562 module_param(viafb_lcd_mode, int, 0);
2563 MODULE_PARM_DESC(viafb_lcd_mode,
2564         "Set Flat Panel mode(Default=OPENLDI)");
2565
2566 module_param(viafb_video_dev, charp, 0);
2567 MODULE_PARM_DESC(viafb_video_dev, "Specify video devices.");
2568
2569 module_param(viafb_lcd_port, charp, 0);
2570 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2571
2572 module_param(viafb_dvi_port, charp, 0);
2573 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2574
2575 MODULE_LICENSE("GPL");
2576 #endif