SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/video/via/viafbdev.c

   1 /*
   2  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   4
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public
   7  * License as published by the Free Software Foundation;
   8  * either version 2, or (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
  12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
  13  * A PARTICULAR PURPOSE.See the GNU General Public License
  14  * for more details.
  15
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <linux/module.h>
  23 #define _MASTER_FILE
  24
  25 #include "global.h"
  26
  27 static int MAX_CURS = 32;
  28 static struct fb_var_screeninfo default_var;
  29 static char *viafb_name = "Via";
  30 static u32 pseudo_pal[17];
  31
  32 /* video mode */
  33 static char *viafb_mode = "640x480";
  34 static char *viafb_mode1 = "640x480";
  35
  36 /* Added for specifying active devices.*/
  37 char *viafb_active_dev = "";
  38
  39 /* Added for 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
 104 static void viafb_update_fix(struct fb_info *info)
 105 {
 106         u32 bpp = info->var.bits_per_pixel;
 107
 108         info->fix.visual =
 109                 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
 110         info->fix.line_length =
 111                 ((info->var.xres_virtual + 7) & ~7) * bpp / 8;
 112 }
 113
 114 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
 115         struct viafb_par *viaparinfo)
 116 {
 117         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
 118         strcpy(fix->id, viafb_name);
 119
 120         fix->smem_start = viaparinfo->fbmem;
 121         fix->smem_len = viaparinfo->fbmem_free;
 122         fix->mmio_start = viaparinfo->mmio_base;
 123         fix->mmio_len = viaparinfo->mmio_len;
 124
 125         fix->type = FB_TYPE_PACKED_PIXELS;
 126         fix->type_aux = 0;
 127
 128         fix->xpanstep = fix->ywrapstep = 0;
 129         fix->ypanstep = 1;
 130
 131         /* Just tell the accel name */
 132         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
 133 }
 134 static int viafb_open(struct fb_info *info, int user)
 135 {
 136         DEBUG_MSG(KERN_INFO "viafb_open!\n");
 137         return 0;
 138 }
 139
 140 static int viafb_release(struct fb_info *info, int user)
 141 {
 142         DEBUG_MSG(KERN_INFO "viafb_release!\n");
 143         return 0;
 144 }
 145
 146 static int viafb_check_var(struct fb_var_screeninfo *var,
 147         struct fb_info *info)
 148 {
 149         int vmode_index, htotal, vtotal;
 150         struct viafb_par *ppar;
 151         u32 long_refresh;
 152         struct viafb_par *p_viafb_par;
 153         ppar = info->par;
 154
 155
 156         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 157         /* Sanity check */
 158         /* HW neither support interlacte nor double-scaned mode */
 159         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 160                 return -EINVAL;
 161
 162         vmode_index = viafb_get_mode_index(var->xres, var->yres);
 163         if (vmode_index == VIA_RES_INVALID) {
 164                 DEBUG_MSG(KERN_INFO
 165                           "viafb: Mode %dx%dx%d not supported!!\n",
 166                           var->xres, var->yres, var->bits_per_pixel);
 167                 return -EINVAL;
 168         }
 169
 170         if (24 == var->bits_per_pixel)
 171                 var->bits_per_pixel = 32;
 172
 173         if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
 174                 var->bits_per_pixel != 32)
 175                 return -EINVAL;
 176
 177         if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
 178                 /*32 pixel alignment */
 179                 var->xres_virtual = (var->xres_virtual + 31) & ~31;
 180         if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
 181                 ppar->memsize)
 182                 return -EINVAL;
 183
 184         /* Based on var passed in to calculate the refresh,
 185          * because our driver use some modes special.
 186          */
 187         htotal = var->xres + var->left_margin +
 188         var->right_margin + var->hsync_len;
 189         vtotal = var->yres + var->upper_margin +
 190                 var->lower_margin + var->vsync_len;
 191         long_refresh = 1000000000UL / var->pixclock * 1000;
 192         long_refresh /= (htotal * vtotal);
 193
 194         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 195
 196         /* Adjust var according to our driver's own table */
 197         viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
 198
 199         /* This is indeed a patch for VT3353 */
 200         if (!info->par)
 201                 return -1;
 202         p_viafb_par = (struct viafb_par *)info->par;
 203         if (p_viafb_par->chip_info->gfx_chip_name == UNICHROME_VX800)
 204                 var->accel_flags = 0;
 205
 206         return 0;
 207 }
 208
 209 static int viafb_set_par(struct fb_info *info)
 210 {
 211         int vmode_index;
 212         int vmode_index1 = 0;
 213         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 214
 215         viafb_update_device_setting(info->var.xres, info->var.yres,
 216                               info->var.bits_per_pixel, viafb_refresh, 0);
 217
 218         vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
 219
 220         if (viafb_SAMM_ON == 1) {
 221                 DEBUG_MSG(KERN_INFO
 222                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 223                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 224                 vmode_index1 = viafb_get_mode_index(viafb_second_xres,
 225                         viafb_second_yres);
 226                 DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
 227                         vmode_index1);
 228
 229                 viafb_update_device_setting(viafb_second_xres,
 230                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 231         }
 232
 233         if (vmode_index != VIA_RES_INVALID) {
 234                 viafb_setmode(vmode_index, info->var.xres, info->var.yres,
 235                         info->var.bits_per_pixel, vmode_index1,
 236                         viafb_second_xres, viafb_second_yres, viafb_bpp1);
 237
 238                 /*We should set memory offset according virtual_x */
 239                 /*Fix me:put this function into viafb_setmode */
 240                 viafb_memory_pitch_patch(info);
 241                 viafb_update_fix(info);
 242                 viafb_bpp = info->var.bits_per_pixel;
 243                 /* Update viafb_accel, it is necessary to our 2D accelerate */
 244                 viafb_accel = info->var.accel_flags;
 245
 246                 if (viafb_accel)
 247                         viafb_set_2d_color_depth(info->var.bits_per_pixel);
 248         }
 249
 250         return 0;
 251 }
 252
 253 /* Set one color register */
 254 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 255 unsigned blue, unsigned transp, struct fb_info *info)
 256 {
 257         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 258         unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
 259         DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
 260         if (regno >= cmap_entries)
 261                 return 1;
 262         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 263                 /*
 264                  * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
 265                  */
 266                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 267                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 268         }
 269         switch (info->var.bits_per_pixel) {
 270         case 8:
 271                 outb(0x1A, 0x3C4);
 272                 sr1a = inb(0x3C5);
 273                 outb(0x1B, 0x3C4);
 274                 sr1b = inb(0x3C5);
 275                 outb(0x67, 0x3D4);
 276                 cr67 = inb(0x3D5);
 277                 outb(0x6A, 0x3D4);
 278                 cr6a = inb(0x3D5);
 279
 280                 /* Map the 3C6/7/8/9 to the IGA2 */
 281                 outb(0x1A, 0x3C4);
 282                 outb(sr1a | 0x01, 0x3C5);
 283                 /* Second Display Engine colck always on */
 284                 outb(0x1B, 0x3C4);
 285                 outb(sr1b | 0x80, 0x3C5);
 286                 /* Second Display Color Depth 8 */
 287                 outb(0x67, 0x3D4);
 288                 outb(cr67 & 0x3F, 0x3D5);
 289                 outb(0x6A, 0x3D4);
 290                 /* Second Display Channel Reset CR6A[6]) */
 291                 outb(cr6a & 0xBF, 0x3D5);
 292                 /* Second Display Channel Enable CR6A[7] */
 293                 outb(cr6a | 0x80, 0x3D5);
 294                 /* Second Display Channel stop reset) */
 295                 outb(cr6a | 0x40, 0x3D5);
 296
 297                 /* Bit mask of palette */
 298                 outb(0xFF, 0x3c6);
 299                 /* Write one register of IGA2 */
 300                 outb(regno, 0x3C8);
 301                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 302                         rev >= 15) {
 303                         shift = 8;
 304                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 305                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 306                 } else {
 307                         shift = 10;
 308                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 309                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 310                 }
 311                 outb(red >> shift, 0x3C9);
 312                 outb(green >> shift, 0x3C9);
 313                 outb(blue >> shift, 0x3C9);
 314
 315                 /* Map the 3C6/7/8/9 to the IGA1 */
 316                 outb(0x1A, 0x3C4);
 317                 outb(sr1a & 0xFE, 0x3C5);
 318                 /* Bit mask of palette */
 319                 outb(0xFF, 0x3c6);
 320                 /* Write one register of IGA1 */
 321                 outb(regno, 0x3C8);
 322                 outb(red >> shift, 0x3C9);
 323                 outb(green >> shift, 0x3C9);
 324                 outb(blue >> shift, 0x3C9);
 325
 326                 outb(0x1A, 0x3C4);
 327                 outb(sr1a, 0x3C5);
 328                 outb(0x1B, 0x3C4);
 329                 outb(sr1b, 0x3C5);
 330                 outb(0x67, 0x3D4);
 331                 outb(cr67, 0x3D5);
 332                 outb(0x6A, 0x3D4);
 333                 outb(cr6a, 0x3D5);
 334                 break;
 335         case 16:
 336                 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
 337                     ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
 338                 break;
 339         case 32:
 340                 ((u32 *) info->pseudo_palette)[regno] =
 341                     ((transp & 0xFF00) << 16) |
 342                     ((red & 0xFF00) << 8) |
 343                     ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
 344                 break;
 345         }
 346
 347         return 0;
 348
 349 }
 350
 351 /*CALLED BY: fb_set_cmap */
 352 /*           fb_set_var, pass 256 colors */
 353 /*CALLED BY: fb_set_cmap */
 354 /*           fbcon_set_palette, pass 16 colors */
 355 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 356 {
 357         u32 len = cmap->len;
 358         u32 i;
 359         u16 *pred = cmap->red;
 360         u16 *pgreen = cmap->green;
 361         u16 *pblue = cmap->blue;
 362         u16 *ptransp = cmap->transp;
 363         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 364         if (len > 256)
 365                 return 1;
 366         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 367                 /*
 368                  * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
 369                  * rev.
 370                  */
 371                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 372                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 373         }
 374         switch (info->var.bits_per_pixel) {
 375         case 8:
 376                 outb(0x1A, 0x3C4);
 377                 sr1a = inb(0x3C5);
 378                 outb(0x1B, 0x3C4);
 379                 sr1b = inb(0x3C5);
 380                 outb(0x67, 0x3D4);
 381                 cr67 = inb(0x3D5);
 382                 outb(0x6A, 0x3D4);
 383                 cr6a = inb(0x3D5);
 384                 /* Map the 3C6/7/8/9 to the IGA2 */
 385                 outb(0x1A, 0x3C4);
 386                 outb(sr1a | 0x01, 0x3C5);
 387                 outb(0x1B, 0x3C4);
 388                 /* Second Display Engine colck always on */
 389                 outb(sr1b | 0x80, 0x3C5);
 390                 outb(0x67, 0x3D4);
 391                 /* Second Display Color Depth 8 */
 392                 outb(cr67 & 0x3F, 0x3D5);
 393                 outb(0x6A, 0x3D4);
 394                 /* Second Display Channel Reset CR6A[6]) */
 395                 outb(cr6a & 0xBF, 0x3D5);
 396                 /* Second Display Channel Enable CR6A[7] */
 397                 outb(cr6a | 0x80, 0x3D5);
 398                 /* Second Display Channel stop reset) */
 399                 outb(cr6a | 0xC0, 0x3D5);
 400
 401                 /* Bit mask of palette */
 402                 outb(0xFF, 0x3c6);
 403                 outb(0x00, 0x3C8);
 404                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 405                         rev >= 15) {
 406                         shift = 8;
 407                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 408                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 409                 } else {
 410                         shift = 10;
 411                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 412                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 413                 }
 414                 for (i = 0; i < len; i++) {
 415                         outb((*(pred + i)) >> shift, 0x3C9);
 416                         outb((*(pgreen + i)) >> shift, 0x3C9);
 417                         outb((*(pblue + i)) >> shift, 0x3C9);
 418                 }
 419
 420                 outb(0x1A, 0x3C4);
 421                 /* Map the 3C6/7/8/9 to the IGA1 */
 422                 outb(sr1a & 0xFE, 0x3C5);
 423                 /* Bit mask of palette */
 424                 outb(0xFF, 0x3c6);
 425                 outb(0x00, 0x3C8);
 426                 for (i = 0; i < len; i++) {
 427                         outb((*(pred + i)) >> shift, 0x3C9);
 428                         outb((*(pgreen + i)) >> shift, 0x3C9);
 429                         outb((*(pblue + i)) >> shift, 0x3C9);
 430                 }
 431
 432                 outb(0x1A, 0x3C4);
 433                 outb(sr1a, 0x3C5);
 434                 outb(0x1B, 0x3C4);
 435                 outb(sr1b, 0x3C5);
 436                 outb(0x67, 0x3D4);
 437                 outb(cr67, 0x3D5);
 438                 outb(0x6A, 0x3D4);
 439                 outb(cr6a, 0x3D5);
 440                 break;
 441         case 16:
 442                 if (len > 17)
 443                         return 0;       /* Because static u32 pseudo_pal[17]; */
 444                 for (i = 0; i < len; i++)
 445                         ((u32 *) info->pseudo_palette)[i] =
 446                             (*(pred + i) & 0xF800) |
 447                             ((*(pgreen + i) & 0xFC00) >> 5) |
 448                             ((*(pblue + i) & 0xF800) >> 11);
 449                 break;
 450         case 32:
 451                 if (len > 17)
 452                         return 0;
 453                 if (ptransp) {
 454                         for (i = 0; i < len; i++)
 455                                 ((u32 *) info->pseudo_palette)[i] =
 456                                     ((*(ptransp + i) & 0xFF00) << 16) |
 457                                     ((*(pred + i) & 0xFF00) << 8) |
 458                                     ((*(pgreen + i) & 0xFF00)) |
 459                                     ((*(pblue + i) & 0xFF00) >> 8);
 460                 } else {
 461                         for (i = 0; i < len; i++)
 462                                 ((u32 *) info->pseudo_palette)[i] =
 463                                     0x00000000 |
 464                                     ((*(pred + i) & 0xFF00) << 8) |
 465                                     ((*(pgreen + i) & 0xFF00)) |
 466                                     ((*(pblue + i) & 0xFF00) >> 8);
 467                 }
 468                 break;
 469         }
 470         return 0;
 471 }
 472
 473 static int viafb_pan_display(struct fb_var_screeninfo *var,
 474         struct fb_info *info)
 475 {
 476         unsigned int offset;
 477
 478         DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
 479
 480         offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
 481             var->bits_per_pixel / 16;
 482
 483         DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
 484         viafb_set_primary_address(offset);
 485         return 0;
 486 }
 487
 488 static int viafb_blank(int blank_mode, struct fb_info *info)
 489 {
 490         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 491         /* clear DPMS setting */
 492
 493         switch (blank_mode) {
 494         case FB_BLANK_UNBLANK:
 495                 /* Screen: On, HSync: On, VSync: On */
 496                 /* control CRT monitor power management */
 497                 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
 498                 break;
 499         case FB_BLANK_HSYNC_SUSPEND:
 500                 /* Screen: Off, HSync: Off, VSync: On */
 501                 /* control CRT monitor power management */
 502                 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
 503                 break;
 504         case FB_BLANK_VSYNC_SUSPEND:
 505                 /* Screen: Off, HSync: On, VSync: Off */
 506                 /* control CRT monitor power management */
 507                 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
 508                 break;
 509         case FB_BLANK_POWERDOWN:
 510                 /* Screen: Off, HSync: Off, VSync: Off */
 511                 /* control CRT monitor power management */
 512                 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
 513                 break;
 514         }
 515
 516         return 0;
 517 }
 518
 519 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 520 {
 521         union {
 522                 struct viafb_ioctl_mode viamode;
 523                 struct viafb_ioctl_samm viasamm;
 524                 struct viafb_driver_version driver_version;
 525                 struct fb_var_screeninfo sec_var;
 526                 struct _panel_size_pos_info panel_pos_size_para;
 527                 struct viafb_ioctl_setting viafb_setting;
 528                 struct device_t active_dev;
 529         } u;
 530         u32 state_info = 0;
 531         u32 *viafb_gamma_table;
 532         char driver_name[] = "viafb";
 533
 534         u32 __user *argp = (u32 __user *) arg;
 535         u32 gpu32;
 536         u32 video_dev_info = 0;
 537
 538         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 539         memset(&u, 0, sizeof(u));
 540
 541         switch (cmd) {
 542         case VIAFB_GET_CHIP_INFO:
 543                 if (copy_to_user(argp, viaparinfo->chip_info,
 544                                 sizeof(struct chip_information)))
 545                         return -EFAULT;
 546                 break;
 547         case VIAFB_GET_INFO_SIZE:
 548                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 549         case VIAFB_GET_INFO:
 550                 return viafb_ioctl_get_viafb_info(arg);
 551         case VIAFB_HOTPLUG:
 552                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 553                                               info->var.yres,
 554                                               info->var.bits_per_pixel), argp);
 555         case VIAFB_SET_HOTPLUG_FLAG:
 556                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 557                         return -EFAULT;
 558                 viafb_hotplug = (gpu32) ? 1 : 0;
 559                 break;
 560         case VIAFB_GET_RESOLUTION:
 561                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 562                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 563                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 564                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 565                 if (viafb_SAMM_ON == 1) {
 566                         u.viamode.xres_sec = viafb_second_xres;
 567                         u.viamode.yres_sec = viafb_second_yres;
 568                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 569                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 570                         u.viamode.refresh_sec = viafb_refresh1;
 571                         u.viamode.bpp_sec = viafb_bpp1;
 572                 } else {
 573                         u.viamode.xres_sec = 0;
 574                         u.viamode.yres_sec = 0;
 575                         u.viamode.virtual_xres_sec = 0;
 576                         u.viamode.virtual_yres_sec = 0;
 577                         u.viamode.refresh_sec = 0;
 578                         u.viamode.bpp_sec = 0;
 579                 }
 580                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 581                         return -EFAULT;
 582                 break;
 583         case VIAFB_GET_SAMM_INFO:
 584                 u.viasamm.samm_status = viafb_SAMM_ON;
 585
 586                 if (viafb_SAMM_ON == 1) {
 587                         if (viafb_dual_fb) {
 588                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 589                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 590                         } else {
 591                                 if (viafb_second_size) {
 592                                         u.viasamm.size_prim =
 593                                             viaparinfo->fbmem_free -
 594                                             viafb_second_size * 1024 * 1024;
 595                                         u.viasamm.size_sec =
 596                                             viafb_second_size * 1024 * 1024;
 597                                 } else {
 598                                         u.viasamm.size_prim =
 599                                             viaparinfo->fbmem_free >> 1;
 600                                         u.viasamm.size_sec =
 601                                             (viaparinfo->fbmem_free >> 1);
 602                                 }
 603                         }
 604                         u.viasamm.mem_base = viaparinfo->fbmem;
 605                         u.viasamm.offset_sec = viafb_second_offset;
 606                 } else {
 607                         u.viasamm.size_prim =
 608                             viaparinfo->memsize - viaparinfo->fbmem_used;
 609                         u.viasamm.size_sec = 0;
 610                         u.viasamm.mem_base = viaparinfo->fbmem;
 611                         u.viasamm.offset_sec = 0;
 612                 }
 613
 614                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 615                         return -EFAULT;
 616
 617                 break;
 618         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 619                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 620                         return -EFAULT;
 621                 if (gpu32 & CRT_Device)
 622                         viafb_crt_enable();
 623                 if (gpu32 & DVI_Device)
 624                         viafb_dvi_enable();
 625                 if (gpu32 & LCD_Device)
 626                         viafb_lcd_enable();
 627                 break;
 628         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 629                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 630                         return -EFAULT;
 631                 if (gpu32 & CRT_Device)
 632                         viafb_crt_disable();
 633                 if (gpu32 & DVI_Device)
 634                         viafb_dvi_disable();
 635                 if (gpu32 & LCD_Device)
 636                         viafb_lcd_disable();
 637                 break;
 638         case VIAFB_SET_DEVICE:
 639                 if (copy_from_user(&u.active_dev, (void *)argp,
 640                         sizeof(u.active_dev)))
 641                         return -EFAULT;
 642                 viafb_set_device(u.active_dev);
 643                 viafb_set_par(info);
 644                 break;
 645         case VIAFB_GET_DEVICE:
 646                 u.active_dev.crt = viafb_CRT_ON;
 647                 u.active_dev.dvi = viafb_DVI_ON;
 648                 u.active_dev.lcd = viafb_LCD_ON;
 649                 u.active_dev.samm = viafb_SAMM_ON;
 650                 u.active_dev.primary_dev = viafb_primary_dev;
 651
 652                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 653                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 654                 u.active_dev.lcd_mode = viafb_lcd_mode;
 655
 656                 u.active_dev.xres = viafb_hotplug_Xres;
 657                 u.active_dev.yres = viafb_hotplug_Yres;
 658
 659                 u.active_dev.xres1 = viafb_second_xres;
 660                 u.active_dev.yres1 = viafb_second_yres;
 661
 662                 u.active_dev.bpp = viafb_bpp;
 663                 u.active_dev.bpp1 = viafb_bpp1;
 664                 u.active_dev.refresh = viafb_refresh;
 665                 u.active_dev.refresh1 = viafb_refresh1;
 666
 667                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 668                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 669                 u.active_dev.bus_width = viafb_bus_width;
 670
 671                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 672                         return -EFAULT;
 673                 break;
 674
 675         case VIAFB_GET_DRIVER_VERSION:
 676                 u.driver_version.iMajorNum = VERSION_MAJOR;
 677                 u.driver_version.iKernelNum = VERSION_KERNEL;
 678                 u.driver_version.iOSNum = VERSION_OS;
 679                 u.driver_version.iMinorNum = VERSION_MINOR;
 680
 681                 if (copy_to_user(argp, &u.driver_version,
 682                         sizeof(u.driver_version)))
 683                         return -EFAULT;
 684
 685                 break;
 686
 687         case VIAFB_SET_DEVICE_INFO:
 688                 if (copy_from_user(&u.viafb_setting,
 689                         argp, sizeof(u.viafb_setting)))
 690                         return -EFAULT;
 691                 if (apply_device_setting(u.viafb_setting, info) < 0)
 692                         return -EINVAL;
 693
 694                 break;
 695
 696         case VIAFB_SET_SECOND_MODE:
 697                 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
 698                         return -EFAULT;
 699                 apply_second_mode_setting(&u.sec_var);
 700                 break;
 701
 702         case VIAFB_GET_DEVICE_INFO:
 703
 704                 retrieve_device_setting(&u.viafb_setting);
 705
 706                 if (copy_to_user(argp, &u.viafb_setting,
 707                                  sizeof(u.viafb_setting)))
 708                         return -EFAULT;
 709
 710                 break;
 711
 712         case VIAFB_GET_DEVICE_SUPPORT:
 713                 viafb_get_device_support_state(&state_info);
 714                 if (put_user(state_info, argp))
 715                         return -EFAULT;
 716                 break;
 717
 718         case VIAFB_GET_DEVICE_CONNECT:
 719                 viafb_get_device_connect_state(&state_info);
 720                 if (put_user(state_info, argp))
 721                         return -EFAULT;
 722                 break;
 723
 724         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 725                 state_info =
 726                     viafb_lcd_get_support_expand_state(info->var.xres,
 727                                                  info->var.yres);
 728                 if (put_user(state_info, argp))
 729                         return -EFAULT;
 730                 break;
 731
 732         case VIAFB_GET_DRIVER_NAME:
 733                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 734                         return -EFAULT;
 735                 break;
 736
 737         case VIAFB_SET_GAMMA_LUT:
 738                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 739                 if (!viafb_gamma_table)
 740                         return -ENOMEM;
 741                 if (copy_from_user(viafb_gamma_table, argp,
 742                                 sizeof(viafb_gamma_table))) {
 743                         kfree(viafb_gamma_table);
 744                         return -EFAULT;
 745                 }
 746                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 747                 kfree(viafb_gamma_table);
 748                 break;
 749
 750         case VIAFB_GET_GAMMA_LUT:
 751                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 752                 if (!viafb_gamma_table)
 753                         return -ENOMEM;
 754                 viafb_get_gamma_table(viafb_gamma_table);
 755                 if (copy_to_user(argp, viafb_gamma_table,
 756                         sizeof(viafb_gamma_table))) {
 757                         kfree(viafb_gamma_table);
 758                         return -EFAULT;
 759                 }
 760                 kfree(viafb_gamma_table);
 761                 break;
 762
 763         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 764                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 765                 if (put_user(state_info, argp))
 766                         return -EFAULT;
 767                 break;
 768         case VIAFB_SET_VIDEO_DEVICE:
 769                 get_user(video_dev_info, argp);
 770                 viafb_set_video_device(video_dev_info);
 771                 break;
 772         case VIAFB_GET_VIDEO_DEVICE:
 773                 viafb_get_video_device(&video_dev_info);
 774                 if (put_user(video_dev_info, argp))
 775                         return -EFAULT;
 776                 break;
 777         case VIAFB_SYNC_SURFACE:
 778                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 779                 break;
 780         case VIAFB_GET_DRIVER_CAPS:
 781                 break;
 782
 783         case VIAFB_GET_PANEL_MAX_SIZE:
 784                 if (copy_from_user(&u.panel_pos_size_para, argp,
 785                                    sizeof(u.panel_pos_size_para)))
 786                         return -EFAULT;
 787                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 788                 if (copy_to_user(argp, &u.panel_pos_size_para,
 789                      sizeof(u.panel_pos_size_para)))
 790                         return -EFAULT;
 791                 break;
 792         case VIAFB_GET_PANEL_MAX_POSITION:
 793                 if (copy_from_user(&u.panel_pos_size_para, argp,
 794                                    sizeof(u.panel_pos_size_para)))
 795                         return -EFAULT;
 796                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 797                 if (copy_to_user(argp, &u.panel_pos_size_para,
 798                                  sizeof(u.panel_pos_size_para)))
 799                         return -EFAULT;
 800                 break;
 801
 802         case VIAFB_GET_PANEL_POSITION:
 803                 if (copy_from_user(&u.panel_pos_size_para, argp,
 804                                    sizeof(u.panel_pos_size_para)))
 805                         return -EFAULT;
 806                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 807                 if (copy_to_user(argp, &u.panel_pos_size_para,
 808                                  sizeof(u.panel_pos_size_para)))
 809                         return -EFAULT;
 810                 break;
 811         case VIAFB_GET_PANEL_SIZE:
 812                 if (copy_from_user(&u.panel_pos_size_para, argp,
 813                                    sizeof(u.panel_pos_size_para)))
 814                         return -EFAULT;
 815                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 816                 if (copy_to_user(argp, &u.panel_pos_size_para,
 817                                  sizeof(u.panel_pos_size_para)))
 818                         return -EFAULT;
 819                 break;
 820
 821         case VIAFB_SET_PANEL_POSITION:
 822                 if (copy_from_user(&u.panel_pos_size_para, argp,
 823                                    sizeof(u.panel_pos_size_para)))
 824                         return -EFAULT;
 825                 break;
 826         case VIAFB_SET_PANEL_SIZE:
 827                 if (copy_from_user(&u.panel_pos_size_para, argp,
 828                                    sizeof(u.panel_pos_size_para)))
 829                         return -EFAULT;
 830                 break;
 831
 832         default:
 833                 return -EINVAL;
 834         }
 835
 836         return 0;
 837 }
 838
 839 static void viafb_fillrect(struct fb_info *info,
 840         const struct fb_fillrect *rect)
 841 {
 842         u32 col = 0, rop = 0;
 843         int pitch;
 844
 845         if (!viafb_accel) {
 846                 cfb_fillrect(info, rect);
 847                 return;
 848         }
 849
 850         if (!rect->width || !rect->height)
 851                 return;
 852
 853         switch (rect->rop) {
 854         case ROP_XOR:
 855                 rop = 0x5A;
 856                 break;
 857         case ROP_COPY:
 858         default:
 859                 rop = 0xF0;
 860                 break;
 861         }
 862
 863         switch (info->var.bits_per_pixel) {
 864         case 8:
 865                 col = rect->color;
 866                 break;
 867         case 16:
 868                 col = ((u32 *) (info->pseudo_palette))[rect->color];
 869                 break;
 870         case 32:
 871                 col = ((u32 *) (info->pseudo_palette))[rect->color];
 872                 break;
 873         }
 874
 875         /* BitBlt Source Address */
 876         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
 877         /* Source Base Address */
 878         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
 879         /* Destination Base Address */
 880         writel(((unsigned long) (info->screen_base) -
 881                    (unsigned long) viafb_FB_MM) >> 3,
 882                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 883         /* Pitch */
 884         pitch = (info->var.xres_virtual + 7) & ~7;
 885         writel(VIA_PITCH_ENABLE |
 886                    (((pitch *
 887                       info->var.bits_per_pixel >> 3) >> 3) |
 888                       (((pitch * info->
 889                       var.bits_per_pixel >> 3) >> 3) << 16)),
 890                       viaparinfo->io_virt + VIA_REG_PITCH);
 891         /* BitBlt Destination Address */
 892         writel(((rect->dy << 16) | rect->dx),
 893                 viaparinfo->io_virt + VIA_REG_DSTPOS);
 894         /* Dimension: width & height */
 895         writel((((rect->height - 1) << 16) | (rect->width - 1)),
 896                 viaparinfo->io_virt + VIA_REG_DIMENSION);
 897         /* Forground color or Destination color */
 898         writel(col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
 899         /* GE Command */
 900         writel((0x01 | 0x2000 | (rop << 24)),
 901                 viaparinfo->io_virt + VIA_REG_GECMD);
 902
 903 }
 904
 905 static void viafb_copyarea(struct fb_info *info,
 906         const struct fb_copyarea *area)
 907 {
 908         u32 dy = area->dy, sy = area->sy, direction = 0x0;
 909         u32 sx = area->sx, dx = area->dx, width = area->width;
 910         int pitch;
 911
 912         DEBUG_MSG(KERN_INFO "viafb_copyarea!!\n");
 913
 914         if (!viafb_accel) {
 915                 cfb_copyarea(info, area);
 916                 return;
 917         }
 918
 919         if (!area->width || !area->height)
 920                 return;
 921
 922         if (sy < dy) {
 923                 dy += area->height - 1;
 924                 sy += area->height - 1;
 925                 direction |= 0x4000;
 926         }
 927
 928         if (sx < dx) {
 929                 dx += width - 1;
 930                 sx += width - 1;
 931                 direction |= 0x8000;
 932         }
 933
 934         /* Source Base Address */
 935         writel(((unsigned long) (info->screen_base) -
 936                    (unsigned long) viafb_FB_MM) >> 3,
 937                    viaparinfo->io_virt + VIA_REG_SRCBASE);
 938         /* Destination Base Address */
 939         writel(((unsigned long) (info->screen_base) -
 940                    (unsigned long) viafb_FB_MM) >> 3,
 941                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 942         /* Pitch */
 943         pitch = (info->var.xres_virtual + 7) & ~7;
 944         /* VIA_PITCH_ENABLE can be omitted now. */
 945         writel(VIA_PITCH_ENABLE |
 946                    (((pitch *
 947                       info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
 948                                                                 info->var.
 949                                                                 bits_per_pixel
 950                                                                 >> 3) >> 3)
 951                                                               << 16)),
 952                                 viaparinfo->io_virt + VIA_REG_PITCH);
 953         /* BitBlt Source Address */
 954         writel(((sy << 16) | sx), viaparinfo->io_virt + VIA_REG_SRCPOS);
 955         /* BitBlt Destination Address */
 956         writel(((dy << 16) | dx), viaparinfo->io_virt + VIA_REG_DSTPOS);
 957         /* Dimension: width & height */
 958         writel((((area->height - 1) << 16) | (area->width - 1)),
 959                    viaparinfo->io_virt + VIA_REG_DIMENSION);
 960         /* GE Command */
 961         writel((0x01 | direction | (0xCC << 24)),
 962                 viaparinfo->io_virt + VIA_REG_GECMD);
 963
 964 }
 965
 966 static void viafb_imageblit(struct fb_info *info,
 967         const struct fb_image *image)
 968 {
 969         u32 size, bg_col = 0, fg_col = 0, *udata;
 970         int i;
 971         int pitch;
 972
 973         if (!viafb_accel) {
 974                 cfb_imageblit(info, image);
 975                 return;
 976         }
 977
 978         udata = (u32 *) image->data;
 979
 980         switch (info->var.bits_per_pixel) {
 981         case 8:
 982                 bg_col = image->bg_color;
 983                 fg_col = image->fg_color;
 984                 break;
 985         case 16:
 986                 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
 987                 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
 988                 break;
 989         case 32:
 990                 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
 991                 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
 992                 break;
 993         }
 994         size = image->width * image->height;
 995
 996         /* Source Base Address */
 997         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
 998         /* Destination Base Address */
 999         writel(((unsigned long) (info->screen_base) -
1000                    (unsigned long) viafb_FB_MM) >> 3,
1001                    viaparinfo->io_virt + VIA_REG_DSTBASE);
1002         /* Pitch */
1003         pitch = (info->var.xres_virtual + 7) & ~7;
1004         writel(VIA_PITCH_ENABLE |
1005                    (((pitch *
1006                       info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
1007                                                                 info->var.
1008                                                                 bits_per_pixel
1009                                                                 >> 3) >> 3)
1010                                                               << 16)),
1011                                 viaparinfo->io_virt + VIA_REG_PITCH);
1012         /* BitBlt Source Address */
1013         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
1014         /* BitBlt Destination Address */
1015         writel(((image->dy << 16) | image->dx),
1016                 viaparinfo->io_virt + VIA_REG_DSTPOS);
1017         /* Dimension: width & height */
1018         writel((((image->height - 1) << 16) | (image->width - 1)),
1019                    viaparinfo->io_virt + VIA_REG_DIMENSION);
1020         /* fb color */
1021         writel(fg_col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
1022         /* bg color */
1023         writel(bg_col, viaparinfo->io_virt + VIA_REG_BGCOLOR);
1024         /* GE Command */
1025         writel(0xCC020142, viaparinfo->io_virt + VIA_REG_GECMD);
1026
1027         for (i = 0; i < size / 4; i++) {
1028                 writel(*udata, viaparinfo->io_virt + VIA_MMIO_BLTBASE);
1029                 udata++;
1030         }
1031
1032 }
1033
1034 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
1035 {
1036         u32 temp, xx, yy, bg_col = 0, fg_col = 0;
1037         int i, j = 0;
1038         static int hw_cursor;
1039         struct viafb_par *p_viafb_par;
1040
1041         if (viafb_accel)
1042                 hw_cursor = 1;
1043
1044         if (!viafb_accel) {
1045                 if (hw_cursor) {
1046                         viafb_show_hw_cursor(info, HW_Cursor_OFF);
1047                         hw_cursor = 0;
1048                 }
1049                 return -ENODEV;
1050         }
1051
1052         if ((((struct viafb_par *)(info->par))->iga_path == IGA2)
1053             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1054                 return -ENODEV;
1055
1056         /* When duoview and using lcd , use soft cursor */
1057         if (viafb_LCD_ON || ((struct viafb_par *)(info->par))->duoview)
1058                 return -ENODEV;
1059
1060         viafb_show_hw_cursor(info, HW_Cursor_OFF);
1061         viacursor = *cursor;
1062
1063         if (cursor->set & FB_CUR_SETHOT) {
1064                 viacursor.hot = cursor->hot;
1065                 temp = ((viacursor.hot.x) << 16) + viacursor.hot.y;
1066                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_ORG);
1067         }
1068
1069         if (cursor->set & FB_CUR_SETPOS) {
1070                 viacursor.image.dx = cursor->image.dx;
1071                 viacursor.image.dy = cursor->image.dy;
1072                 yy = cursor->image.dy - info->var.yoffset;
1073                 xx = cursor->image.dx - info->var.xoffset;
1074                 temp = yy & 0xFFFF;
1075                 temp |= (xx << 16);
1076                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_POS);
1077         }
1078
1079         if (cursor->set & FB_CUR_SETSIZE) {
1080                 temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1081
1082                 if ((cursor->image.width <= 32)
1083                     && (cursor->image.height <= 32)) {
1084                         MAX_CURS = 32;
1085                         temp |= 0x2;
1086                 } else if ((cursor->image.width <= 64)
1087                            && (cursor->image.height <= 64)) {
1088                         MAX_CURS = 64;
1089                         temp &= 0xFFFFFFFD;
1090                 } else {
1091                         DEBUG_MSG(KERN_INFO
1092                         "The cursor image is biger than 64x64 bits...\n");
1093                         return -ENXIO;
1094                 }
1095                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
1096
1097                 viacursor.image.height = cursor->image.height;
1098                 viacursor.image.width = cursor->image.width;
1099         }
1100
1101         if (cursor->set & FB_CUR_SETCMAP) {
1102                 viacursor.image.fg_color = cursor->image.fg_color;
1103                 viacursor.image.bg_color = cursor->image.bg_color;
1104
1105                 switch (info->var.bits_per_pixel) {
1106                 case 8:
1107                 case 16:
1108                 case 32:
1109                         bg_col =
1110                             (0xFF << 24) |
1111                             (((info->cmap.red)[viacursor.image.bg_color] &
1112                             0xFF00) << 8) |
1113                             ((info->cmap.green)[viacursor.image.bg_color] &
1114                             0xFF00) |
1115                             (((info->cmap.blue)[viacursor.image.bg_color] &
1116                             0xFF00) >> 8);
1117                         fg_col =
1118                             (0xFF << 24) |
1119                             (((info->cmap.red)[viacursor.image.fg_color] &
1120                             0xFF00) << 8) |
1121                             ((info->cmap.green)[viacursor.image.fg_color] &
1122                             0xFF00) |
1123                             (((info->cmap.blue)[viacursor.image.fg_color] &
1124                             0xFF00) >> 8);
1125                         break;
1126                 default:
1127                         return 0;
1128                 }
1129
1130                 /* This is indeed a patch for VT3324/VT3353 */
1131                 if (!info->par)
1132                         return 0;
1133                 p_viafb_par = (struct viafb_par *)info->par;
1134
1135                 if ((p_viafb_par->chip_info->gfx_chip_name ==
1136                         UNICHROME_CX700) ||
1137                         ((p_viafb_par->chip_info->gfx_chip_name ==
1138                         UNICHROME_VX800))) {
1139                         bg_col =
1140                             (((info->cmap.red)[viacursor.image.bg_color] &
1141                             0xFFC0) << 14) |
1142                             (((info->cmap.green)[viacursor.image.bg_color] &
1143                             0xFFC0) << 4) |
1144                             (((info->cmap.blue)[viacursor.image.bg_color] &
1145                             0xFFC0) >> 6);
1146                         fg_col =
1147                             (((info->cmap.red)[viacursor.image.fg_color] &
1148                             0xFFC0) << 14) |
1149                             (((info->cmap.green)[viacursor.image.fg_color] &
1150                             0xFFC0) << 4) |
1151                             (((info->cmap.blue)[viacursor.image.fg_color] &
1152                             0xFFC0) >> 6);
1153                 }
1154
1155                 writel(bg_col, viaparinfo->io_virt + VIA_REG_CURSOR_BG);
1156                 writel(fg_col, viaparinfo->io_virt + VIA_REG_CURSOR_FG);
1157         }
1158
1159         if (cursor->set & FB_CUR_SETSHAPE) {
1160                 struct {
1161                         u8 data[CURSOR_SIZE / 8];
1162                         u32 bak[CURSOR_SIZE / 32];
1163                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
1164                 int size =
1165                     ((viacursor.image.width + 7) >> 3) *
1166                     viacursor.image.height;
1167
1168                 if (cr_data == NULL)
1169                         goto out;
1170
1171                 if (MAX_CURS == 32) {
1172                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1173                                 cr_data->bak[i] = 0x0;
1174                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
1175                                 i += 1;
1176                         }
1177                 } else if (MAX_CURS == 64) {
1178                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
1179                                 cr_data->bak[i] = 0x0;
1180                                 cr_data->bak[i + 1] = 0x0;
1181                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
1182                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
1183                                 i += 3;
1184                         }
1185                 }
1186
1187                 switch (viacursor.rop) {
1188                 case ROP_XOR:
1189                         for (i = 0; i < size; i++)
1190                                 cr_data->data[i] = viacursor.mask[i];
1191                         break;
1192                 case ROP_COPY:
1193
1194                         for (i = 0; i < size; i++)
1195                                 cr_data->data[i] = viacursor.mask[i];
1196                         break;
1197                 default:
1198                         break;
1199                 }
1200
1201                 if (MAX_CURS == 32) {
1202                         for (i = 0; i < size; i++) {
1203                                 cr_data->bak[j] = (u32) cr_data->data[i];
1204                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
1205                                 j += 2;
1206                         }
1207                 } else if (MAX_CURS == 64) {
1208                         for (i = 0; i < size; i++) {
1209                                 cr_data->bak[j] = (u32) cr_data->data[i];
1210                                 cr_data->bak[j + 1] = 0x0;
1211                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
1212                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
1213                                 j += 4;
1214                         }
1215                 }
1216
1217                 memcpy(((struct viafb_par *)(info->par))->fbmem_virt +
1218                        ((struct viafb_par *)(info->par))->cursor_start,
1219                        cr_data->bak, CURSOR_SIZE);
1220 out:
1221                 kfree(cr_data);
1222         }
1223
1224         if (viacursor.enable)
1225                 viafb_show_hw_cursor(info, HW_Cursor_ON);
1226
1227         return 0;
1228 }
1229
1230 static int viafb_sync(struct fb_info *info)
1231 {
1232         if (viafb_accel)
1233                 viafb_wait_engine_idle();
1234         return 0;
1235 }
1236
1237 int viafb_get_mode_index(int hres, int vres)
1238 {
1239         u32 i;
1240         DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
1241
1242         for (i = 0; viafb_modentry[i].mode_index != VIA_RES_INVALID; i++)
1243                 if (viafb_modentry[i].xres == hres &&
1244                         viafb_modentry[i].yres == vres)
1245                         break;
1246
1247         return viafb_modentry[i].mode_index;
1248 }
1249
1250 static void check_available_device_to_enable(int device_id)
1251 {
1252         int device_num = 0;
1253
1254         /* Initialize: */
1255         viafb_CRT_ON = STATE_OFF;
1256         viafb_DVI_ON = STATE_OFF;
1257         viafb_LCD_ON = STATE_OFF;
1258         viafb_LCD2_ON = STATE_OFF;
1259         viafb_DeviceStatus = None_Device;
1260
1261         if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1262                 viafb_CRT_ON = STATE_ON;
1263                 device_num++;
1264                 viafb_DeviceStatus |= CRT_Device;
1265         }
1266
1267         if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1268                 viafb_DVI_ON = STATE_ON;
1269                 device_num++;
1270                 viafb_DeviceStatus |= DVI_Device;
1271         }
1272
1273         if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1274                 viafb_LCD_ON = STATE_ON;
1275                 device_num++;
1276                 viafb_DeviceStatus |= LCD_Device;
1277         }
1278
1279         if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
1280                 viafb_LCD2_ON = STATE_ON;
1281                 device_num++;
1282                 viafb_DeviceStatus |= LCD2_Device;
1283         }
1284
1285         if (viafb_DeviceStatus == None_Device) {
1286                 /* Use CRT as default active device: */
1287                 viafb_CRT_ON = STATE_ON;
1288                 viafb_DeviceStatus = CRT_Device;
1289         }
1290         DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
1291 }
1292
1293 static void viafb_set_device(struct device_t active_dev)
1294 {
1295         /* Check available device to enable: */
1296         int device_id = None_Device;
1297         if (active_dev.crt)
1298                 device_id |= CRT_Device;
1299         if (active_dev.dvi)
1300                 device_id |= DVI_Device;
1301         if (active_dev.lcd)
1302                 device_id |= LCD_Device;
1303
1304         check_available_device_to_enable(device_id);
1305
1306         /* Check property of LCD: */
1307         if (viafb_LCD_ON) {
1308                 if (active_dev.lcd_dsp_cent) {
1309                         viaparinfo->lvds_setting_info->display_method =
1310                                 viafb_lcd_dsp_method = LCD_CENTERING;
1311                 } else {
1312                         viaparinfo->lvds_setting_info->display_method =
1313                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1314                 }
1315
1316                 if (active_dev.lcd_mode == LCD_SPWG) {
1317                         viaparinfo->lvds_setting_info->lcd_mode =
1318                                 viafb_lcd_mode = LCD_SPWG;
1319                 } else {
1320                         viaparinfo->lvds_setting_info->lcd_mode =
1321                                 viafb_lcd_mode = LCD_OPENLDI;
1322                 }
1323
1324                 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
1325                         viafb_lcd_panel_id = active_dev.lcd_panel_id;
1326                         viafb_init_lcd_size();
1327                 }
1328         }
1329
1330         /* Check property of mode: */
1331         if (!active_dev.xres1)
1332                 viafb_second_xres = 640;
1333         else
1334                 viafb_second_xres = active_dev.xres1;
1335         if (!active_dev.yres1)
1336                 viafb_second_yres = 480;
1337         else
1338                 viafb_second_yres = active_dev.yres1;
1339         if (active_dev.bpp != 0)
1340                 viafb_bpp = active_dev.bpp;
1341         if (active_dev.bpp1 != 0)
1342                 viafb_bpp1 = active_dev.bpp1;
1343         if (active_dev.refresh != 0)
1344                 viafb_refresh = active_dev.refresh;
1345         if (active_dev.refresh1 != 0)
1346                 viafb_refresh1 = active_dev.refresh1;
1347         if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
1348                 viafb_SAMM_ON = active_dev.samm;
1349         viafb_primary_dev = active_dev.primary_dev;
1350
1351         viafb_set_primary_address(0);
1352         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1353         viafb_set_iga_path();
1354 }
1355
1356 static void viafb_set_video_device(u32 video_dev_info)
1357 {
1358         viaparinfo->video_on_crt = STATE_OFF;
1359         viaparinfo->video_on_dvi = STATE_OFF;
1360         viaparinfo->video_on_lcd = STATE_OFF;
1361
1362         /* Check available device to enable: */
1363         if ((video_dev_info & CRT_Device) == CRT_Device)
1364                 viaparinfo->video_on_crt = STATE_ON;
1365         else if ((video_dev_info & DVI_Device) == DVI_Device)
1366                 viaparinfo->video_on_dvi = STATE_ON;
1367         else if ((video_dev_info & LCD_Device) == LCD_Device)
1368                 viaparinfo->video_on_lcd = STATE_ON;
1369 }
1370
1371 static void viafb_get_video_device(u32 *video_dev_info)
1372 {
1373         *video_dev_info = None_Device;
1374         if (viaparinfo->video_on_crt == STATE_ON)
1375                 *video_dev_info |= CRT_Device;
1376         else if (viaparinfo->video_on_dvi == STATE_ON)
1377                 *video_dev_info |= DVI_Device;
1378         else if (viaparinfo->video_on_lcd == STATE_ON)
1379                 *video_dev_info |= LCD_Device;
1380 }
1381
1382 static int get_primary_device(void)
1383 {
1384         int primary_device = 0;
1385         /* Rule: device on iga1 path are the primary device. */
1386         if (viafb_SAMM_ON) {
1387                 if (viafb_CRT_ON) {
1388                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
1389                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
1390                                         viaparinfo->
1391                                         crt_setting_info->iga_path);
1392                                 primary_device = CRT_Device;
1393                         }
1394                 }
1395                 if (viafb_DVI_ON) {
1396                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
1397                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
1398                                         viaparinfo->
1399                                         tmds_setting_info->iga_path);
1400                                 primary_device = DVI_Device;
1401                         }
1402                 }
1403                 if (viafb_LCD_ON) {
1404                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
1405                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
1406                                         viaparinfo->
1407                                         lvds_setting_info->iga_path);
1408                                 primary_device = LCD_Device;
1409                         }
1410                 }
1411                 if (viafb_LCD2_ON) {
1412                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
1413                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
1414                                         viaparinfo->
1415                                         lvds_setting_info2->iga_path);
1416                                 primary_device = LCD2_Device;
1417                         }
1418                 }
1419         }
1420         return primary_device;
1421 }
1422
1423 static u8 is_duoview(void)
1424 {
1425         if (0 == viafb_SAMM_ON) {
1426                 if (viafb_LCD_ON + viafb_LCD2_ON +
1427                         viafb_DVI_ON + viafb_CRT_ON == 2)
1428                         return true;
1429                 return false;
1430         } else {
1431                 return false;
1432         }
1433 }
1434
1435 static void apply_second_mode_setting(struct fb_var_screeninfo
1436         *sec_var)
1437 {
1438         u32 htotal, vtotal, long_refresh;
1439
1440         htotal = sec_var->xres + sec_var->left_margin +
1441                 sec_var->right_margin + sec_var->hsync_len;
1442         vtotal = sec_var->yres + sec_var->upper_margin +
1443                 sec_var->lower_margin + sec_var->vsync_len;
1444         if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
1445                 /*Is 32 bytes alignment? */
1446                 /*32 pixel alignment */
1447                 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
1448         }
1449
1450         htotal = sec_var->xres + sec_var->left_margin +
1451                 sec_var->right_margin + sec_var->hsync_len;
1452         vtotal = sec_var->yres + sec_var->upper_margin +
1453                 sec_var->lower_margin + sec_var->vsync_len;
1454         long_refresh = 1000000000UL / sec_var->pixclock * 1000;
1455         long_refresh /= (htotal * vtotal);
1456
1457         viafb_second_xres = sec_var->xres;
1458         viafb_second_yres = sec_var->yres;
1459         viafb_second_virtual_xres = sec_var->xres_virtual;
1460         viafb_second_virtual_yres = sec_var->yres_virtual;
1461         viafb_bpp1 = sec_var->bits_per_pixel;
1462         viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
1463                 long_refresh);
1464 }
1465
1466 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
1467         struct fb_info *info)
1468 {
1469         int need_set_mode = 0;
1470         DEBUG_MSG(KERN_INFO "apply_device_setting\n");
1471
1472         if (setting_info.device_flag) {
1473                 need_set_mode = 1;
1474                 check_available_device_to_enable(setting_info.device_status);
1475         }
1476
1477         /* Unlock LCD's operation according to LCD flag
1478            and check if the setting value is valid. */
1479         /* If the value is valid, apply the new setting value to the device. */
1480         if (viafb_LCD_ON) {
1481                 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
1482                         need_set_mode = 1;
1483                         if (setting_info.lcd_attributes.display_center) {
1484                                 /* Centering */
1485                                 viaparinfo->lvds_setting_info->display_method =
1486                                     LCD_CENTERING;
1487                                 viafb_lcd_dsp_method = LCD_CENTERING;
1488                                 viaparinfo->lvds_setting_info2->display_method =
1489                                     viafb_lcd_dsp_method = LCD_CENTERING;
1490                         } else {
1491                                 /* expandsion */
1492                                 viaparinfo->lvds_setting_info->display_method =
1493                                     LCD_EXPANDSION;
1494                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1495                                 viaparinfo->lvds_setting_info2->display_method =
1496                                     LCD_EXPANDSION;
1497                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
1498                         }
1499                 }
1500
1501                 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
1502                         need_set_mode = 1;
1503                         if (setting_info.lcd_attributes.lcd_mode ==
1504                                 LCD_SPWG) {
1505                                 viaparinfo->lvds_setting_info->lcd_mode =
1506                                         viafb_lcd_mode = LCD_SPWG;
1507                         } else {
1508                                 viaparinfo->lvds_setting_info->lcd_mode =
1509                                         viafb_lcd_mode = LCD_OPENLDI;
1510                         }
1511                         viaparinfo->lvds_setting_info2->lcd_mode =
1512                             viaparinfo->lvds_setting_info->lcd_mode;
1513                 }
1514
1515                 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
1516                         need_set_mode = 1;
1517                         if (setting_info.lcd_attributes.panel_id <=
1518                             LCD_PANEL_ID_MAXIMUM) {
1519                                 viafb_lcd_panel_id =
1520                                     setting_info.lcd_attributes.panel_id;
1521                                 viafb_init_lcd_size();
1522                         }
1523                 }
1524         }
1525
1526         if (0 != (setting_info.samm_status & OP_SAMM)) {
1527                 setting_info.samm_status =
1528                     setting_info.samm_status & (~OP_SAMM);
1529                 if (setting_info.samm_status == 0
1530                     || setting_info.samm_status == 1) {
1531                         viafb_SAMM_ON = setting_info.samm_status;
1532
1533                         if (viafb_SAMM_ON)
1534                                 viafb_primary_dev = setting_info.primary_device;
1535
1536                         viafb_set_primary_address(0);
1537                         viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
1538                         viafb_set_iga_path();
1539                 }
1540                 need_set_mode = 1;
1541         }
1542
1543         viaparinfo->duoview = is_duoview();
1544
1545         if (!need_set_mode) {
1546                 ;
1547         } else {
1548                 viafb_set_iga_path();
1549                 viafb_set_par(info);
1550         }
1551         return true;
1552 }
1553
1554 static void retrieve_device_setting(struct viafb_ioctl_setting
1555         *setting_info)
1556 {
1557
1558         /* get device status */
1559         if (viafb_CRT_ON == 1)
1560                 setting_info->device_status = CRT_Device;
1561         if (viafb_DVI_ON == 1)
1562                 setting_info->device_status |= DVI_Device;
1563         if (viafb_LCD_ON == 1)
1564                 setting_info->device_status |= LCD_Device;
1565         if (viafb_LCD2_ON == 1)
1566                 setting_info->device_status |= LCD2_Device;
1567         if ((viaparinfo->video_on_crt == 1) && (viafb_CRT_ON == 1)) {
1568                 setting_info->video_device_status =
1569                         viaparinfo->crt_setting_info->iga_path;
1570         } else if ((viaparinfo->video_on_dvi == 1) && (viafb_DVI_ON == 1)) {
1571                 setting_info->video_device_status =
1572                         viaparinfo->tmds_setting_info->iga_path;
1573         } else if ((viaparinfo->video_on_lcd == 1) && (viafb_LCD_ON == 1)) {
1574                 setting_info->video_device_status =
1575                         viaparinfo->lvds_setting_info->iga_path;
1576         } else {
1577                 setting_info->video_device_status = 0;
1578         }
1579
1580         setting_info->samm_status = viafb_SAMM_ON;
1581         setting_info->primary_device = get_primary_device();
1582
1583         setting_info->first_dev_bpp = viafb_bpp;
1584         setting_info->second_dev_bpp = viafb_bpp1;
1585
1586         setting_info->first_dev_refresh = viafb_refresh;
1587         setting_info->second_dev_refresh = viafb_refresh1;
1588
1589         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
1590         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
1591         setting_info->second_dev_hor_res = viafb_second_xres;
1592         setting_info->second_dev_ver_res = viafb_second_yres;
1593
1594         /* Get lcd attributes */
1595         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
1596         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
1597         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1598 }
1599
1600 static void parse_active_dev(void)
1601 {
1602         viafb_CRT_ON = STATE_OFF;
1603         viafb_DVI_ON = STATE_OFF;
1604         viafb_LCD_ON = STATE_OFF;
1605         viafb_LCD2_ON = STATE_OFF;
1606         /* 1. Modify the active status of devices. */
1607         /* 2. Keep the order of devices, so we can set corresponding
1608            IGA path to devices in SAMM case. */
1609         /*    Note: The previous of active_dev is primary device,
1610            and the following is secondary device. */
1611         if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
1612                 /* CRT+DVI */
1613                 viafb_CRT_ON = STATE_ON;
1614                 viafb_DVI_ON = STATE_ON;
1615                 viafb_primary_dev = CRT_Device;
1616         } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
1617                 /* DVI+CRT */
1618                 viafb_CRT_ON = STATE_ON;
1619                 viafb_DVI_ON = STATE_ON;
1620                 viafb_primary_dev = DVI_Device;
1621         } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
1622                 /* CRT+LCD */
1623                 viafb_CRT_ON = STATE_ON;
1624                 viafb_LCD_ON = STATE_ON;
1625                 viafb_primary_dev = CRT_Device;
1626         } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
1627                 /* LCD+CRT */
1628                 viafb_CRT_ON = STATE_ON;
1629                 viafb_LCD_ON = STATE_ON;
1630                 viafb_primary_dev = LCD_Device;
1631         } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
1632                 /* DVI+LCD */
1633                 viafb_DVI_ON = STATE_ON;
1634                 viafb_LCD_ON = STATE_ON;
1635                 viafb_primary_dev = DVI_Device;
1636         } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
1637                 /* LCD+DVI */
1638                 viafb_DVI_ON = STATE_ON;
1639                 viafb_LCD_ON = STATE_ON;
1640                 viafb_primary_dev = LCD_Device;
1641         } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
1642                 viafb_LCD_ON = STATE_ON;
1643                 viafb_LCD2_ON = STATE_ON;
1644                 viafb_primary_dev = LCD_Device;
1645         } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
1646                 viafb_LCD_ON = STATE_ON;
1647                 viafb_LCD2_ON = STATE_ON;
1648                 viafb_primary_dev = LCD2_Device;
1649         } else if (!strncmp(viafb_active_dev, "CRT", 3)) {
1650                 /* CRT only */
1651                 viafb_CRT_ON = STATE_ON;
1652                 viafb_SAMM_ON = STATE_OFF;
1653         } else if (!strncmp(viafb_active_dev, "DVI", 3)) {
1654                 /* DVI only */
1655                 viafb_DVI_ON = STATE_ON;
1656                 viafb_SAMM_ON = STATE_OFF;
1657         } else if (!strncmp(viafb_active_dev, "LCD", 3)) {
1658                 /* LCD only */
1659                 viafb_LCD_ON = STATE_ON;
1660                 viafb_SAMM_ON = STATE_OFF;
1661         } else {
1662                 viafb_CRT_ON = STATE_ON;
1663                 viafb_SAMM_ON = STATE_OFF;
1664         }
1665         viaparinfo->duoview = is_duoview();
1666 }
1667
1668 static void parse_video_dev(void)
1669 {
1670         viaparinfo->video_on_crt = STATE_OFF;
1671         viaparinfo->video_on_dvi = STATE_OFF;
1672         viaparinfo->video_on_lcd = STATE_OFF;
1673
1674         if (!strncmp(viafb_video_dev, "CRT", 3)) {
1675                 /* Video on CRT */
1676                 viaparinfo->video_on_crt = STATE_ON;
1677         } else if (!strncmp(viafb_video_dev, "DVI", 3)) {
1678                 /* Video on DVI */
1679                 viaparinfo->video_on_dvi = STATE_ON;
1680         } else if (!strncmp(viafb_video_dev, "LCD", 3)) {
1681                 /* Video on LCD */
1682                 viaparinfo->video_on_lcd = STATE_ON;
1683         }
1684 }
1685
1686 static int parse_port(char *opt_str, int *output_interface)
1687 {
1688         if (!strncmp(opt_str, "DVP0", 4))
1689                 *output_interface = INTERFACE_DVP0;
1690         else if (!strncmp(opt_str, "DVP1", 4))
1691                 *output_interface = INTERFACE_DVP1;
1692         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1693                 *output_interface = INTERFACE_DFP;
1694         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1695                 *output_interface = INTERFACE_DFP_HIGH;
1696         else if (!strncmp(opt_str, "DFP_LOW", 7))
1697                 *output_interface = INTERFACE_DFP_LOW;
1698         else
1699                 *output_interface = INTERFACE_NONE;
1700         return 0;
1701 }
1702
1703 static void parse_lcd_port(void)
1704 {
1705         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1706                 output_interface);
1707         /*Initialize to avoid unexpected behavior */
1708         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1709         INTERFACE_NONE;
1710
1711         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1712                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1713                   output_interface);
1714 }
1715
1716 static void parse_dvi_port(void)
1717 {
1718         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1719                 output_interface);
1720
1721         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1722                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1723                   output_interface);
1724 }
1725
1726 /*
1727  * The proc filesystem read/write function, a simple proc implement to
1728  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1729  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1730  * CR9B,    SR65,    CR97,    CR99
1731  */
1732 static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset,
1733 int count, int *eof, void *data)
1734 {
1735         int len = 0;
1736         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1737         dvp0_data_dri =
1738             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1739             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1740         dvp0_clk_dri =
1741             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1742             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1743         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1744         len +=
1745             sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1746         *eof = 1;               /*Inform kernel end of data */
1747         return len;
1748 }
1749 static int viafb_dvp0_proc_write(struct file *file,
1750         const char __user *buffer, unsigned long count, void *data)
1751 {
1752         char buf[20], *value, *pbuf;
1753         u8 reg_val = 0;
1754         unsigned long length, i;
1755         if (count < 1)
1756                 return -EINVAL;
1757         length = count > 20 ? 20 : count;
1758         if (copy_from_user(&buf[0], buffer, length))
1759                 return -EFAULT;
1760         buf[length - 1] = '\0'; /*Ensure end string */
1761         pbuf = &buf[0];
1762         for (i = 0; i < 3; i++) {
1763                 value = strsep(&pbuf, " ");
1764                 if (value != NULL) {
1765                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1766                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1767                                   reg_val);
1768                         switch (i) {
1769                         case 0:
1770                                 viafb_write_reg_mask(CR96, VIACR,
1771                                         reg_val, 0x0f);
1772                                 break;
1773                         case 1:
1774                                 viafb_write_reg_mask(SR2A, VIASR,
1775                                         reg_val << 4, BIT5);
1776                                 viafb_write_reg_mask(SR1B, VIASR,
1777                                         reg_val << 1, BIT1);
1778                                 break;
1779                         case 2:
1780                                 viafb_write_reg_mask(SR2A, VIASR,
1781                                         reg_val << 3, BIT4);
1782                                 viafb_write_reg_mask(SR1E, VIASR,
1783                                         reg_val << 2, BIT2);
1784                                 break;
1785                         default:
1786                                 break;
1787                         }
1788                 } else {
1789                         break;
1790                 }
1791         }
1792         return count;
1793 }
1794 static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset,
1795         int count, int *eof, void *data)
1796 {
1797         int len = 0;
1798         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1799         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1800         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1801         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1802         len +=
1803             sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1804         *eof = 1;               /*Inform kernel end of data */
1805         return len;
1806 }
1807 static int viafb_dvp1_proc_write(struct file *file,
1808         const char __user *buffer, unsigned long count, void *data)
1809 {
1810         char buf[20], *value, *pbuf;
1811         u8 reg_val = 0;
1812         unsigned long length, i;
1813         if (count < 1)
1814                 return -EINVAL;
1815         length = count > 20 ? 20 : count;
1816         if (copy_from_user(&buf[0], buffer, length))
1817                 return -EFAULT;
1818         buf[length - 1] = '\0'; /*Ensure end string */
1819         pbuf = &buf[0];
1820         for (i = 0; i < 3; i++) {
1821                 value = strsep(&pbuf, " ");
1822                 if (value != NULL) {
1823                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1824                         switch (i) {
1825                         case 0:
1826                                 viafb_write_reg_mask(CR9B, VIACR,
1827                                         reg_val, 0x0f);
1828                                 break;
1829                         case 1:
1830                                 viafb_write_reg_mask(SR65, VIASR,
1831                                         reg_val << 2, 0x0c);
1832                                 break;
1833                         case 2:
1834                                 viafb_write_reg_mask(SR65, VIASR,
1835                                         reg_val, 0x03);
1836                                 break;
1837                         default:
1838                                 break;
1839                         }
1840                 } else {
1841                         break;
1842                 }
1843         }
1844         return count;
1845 }
1846
1847 static int viafb_dfph_proc_read(char *buf, char **start, off_t offset,
1848         int count, int *eof, void *data)
1849 {
1850         int len = 0;
1851         u8 dfp_high = 0;
1852         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1853         len += sprintf(buf + len, "%x\n", dfp_high);
1854         *eof = 1;               /*Inform kernel end of data */
1855         return len;
1856 }
1857 static int viafb_dfph_proc_write(struct file *file,
1858         const char __user *buffer, unsigned long count, void *data)
1859 {
1860         char buf[20];
1861         u8 reg_val = 0;
1862         unsigned long length;
1863         if (count < 1)
1864                 return -EINVAL;
1865         length = count > 20 ? 20 : count;
1866         if (copy_from_user(&buf[0], buffer, length))
1867                 return -EFAULT;
1868         buf[length - 1] = '\0'; /*Ensure end string */
1869         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1870         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1871         return count;
1872 }
1873 static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset,
1874         int count, int *eof, void *data)
1875 {
1876         int len = 0;
1877         u8 dfp_low = 0;
1878         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1879         len += sprintf(buf + len, "%x\n", dfp_low);
1880         *eof = 1;               /*Inform kernel end of data */
1881         return len;
1882 }
1883 static int viafb_dfpl_proc_write(struct file *file,
1884         const char __user *buffer, unsigned long count, void *data)
1885 {
1886         char buf[20];
1887         u8 reg_val = 0;
1888         unsigned long length;
1889         if (count < 1)
1890                 return -EINVAL;
1891         length = count > 20 ? 20 : count;
1892         if (copy_from_user(&buf[0], buffer, length))
1893                 return -EFAULT;
1894         buf[length - 1] = '\0'; /*Ensure end string */
1895         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1896         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1897         return count;
1898 }
1899 static int viafb_vt1636_proc_read(char *buf, char **start,
1900         off_t offset, int count, int *eof, void *data)
1901 {
1902         int len = 0;
1903         u8 vt1636_08 = 0, vt1636_09 = 0;
1904         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1905         case VT1636_LVDS:
1906                 vt1636_08 =
1907                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1908                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1909                 vt1636_09 =
1910                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1911                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1912                 len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09);
1913                 break;
1914         default:
1915                 break;
1916         }
1917         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1918         case VT1636_LVDS:
1919                 vt1636_08 =
1920                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1921                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1922                 vt1636_09 =
1923                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1924                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1925                 len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09);
1926                 break;
1927         default:
1928                 break;
1929         }
1930         *eof = 1;               /*Inform kernel end of data */
1931         return len;
1932 }
1933 static int viafb_vt1636_proc_write(struct file *file,
1934         const char __user *buffer, unsigned long count, void *data)
1935 {
1936         char buf[30], *value, *pbuf;
1937         struct IODATA reg_val;
1938         unsigned long length, i;
1939         if (count < 1)
1940                 return -EINVAL;
1941         length = count > 30 ? 30 : count;
1942         if (copy_from_user(&buf[0], buffer, length))
1943                 return -EFAULT;
1944         buf[length - 1] = '\0'; /*Ensure end string */
1945         pbuf = &buf[0];
1946         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1947         case VT1636_LVDS:
1948                 for (i = 0; i < 2; i++) {
1949                         value = strsep(&pbuf, " ");
1950                         if (value != NULL) {
1951                                 strict_strtoul(value, 0,
1952                                         (unsigned long *)&reg_val.Data);
1953                                 switch (i) {
1954                                 case 0:
1955                                         reg_val.Index = 0x08;
1956                                         reg_val.Mask = 0x0f;
1957                                         viafb_gpio_i2c_write_mask_lvds
1958                                             (viaparinfo->lvds_setting_info,
1959                                             &viaparinfo->
1960                                             chip_info->lvds_chip_info,
1961                                              reg_val);
1962                                         break;
1963                                 case 1:
1964                                         reg_val.Index = 0x09;
1965                                         reg_val.Mask = 0x1f;
1966                                         viafb_gpio_i2c_write_mask_lvds
1967                                             (viaparinfo->lvds_setting_info,
1968                                             &viaparinfo->
1969                                             chip_info->lvds_chip_info,
1970                                              reg_val);
1971                                         break;
1972                                 default:
1973                                         break;
1974                                 }
1975                         } else {
1976                                 break;
1977                         }
1978                 }
1979                 break;
1980         default:
1981                 break;
1982         }
1983         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1984         case VT1636_LVDS:
1985                 for (i = 0; i < 2; i++) {
1986                         value = strsep(&pbuf, " ");
1987                         if (value != NULL) {
1988                                 strict_strtoul(value, 0,
1989                                         (unsigned long *)&reg_val.Data);
1990                                 switch (i) {
1991                                 case 0:
1992                                         reg_val.Index = 0x08;
1993                                         reg_val.Mask = 0x0f;
1994                                         viafb_gpio_i2c_write_mask_lvds
1995                                             (viaparinfo->lvds_setting_info2,
1996                                             &viaparinfo->
1997                                             chip_info->lvds_chip_info2,
1998                                              reg_val);
1999                                         break;
2000                                 case 1:
2001                                         reg_val.Index = 0x09;
2002                                         reg_val.Mask = 0x1f;
2003                                         viafb_gpio_i2c_write_mask_lvds
2004                                             (viaparinfo->lvds_setting_info2,
2005                                             &viaparinfo->
2006                                             chip_info->lvds_chip_info2,
2007                                              reg_val);
2008                                         break;
2009                                 default:
2010                                         break;
2011                                 }
2012                         } else {
2013                                 break;
2014                         }
2015                 }
2016                 break;
2017         default:
2018                 break;
2019         }
2020         return count;
2021 }
2022
2023 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
2024 {
2025         struct proc_dir_entry *entry;
2026         *viafb_entry = proc_mkdir("viafb", NULL);
2027         if (viafb_entry) {
2028                 entry = create_proc_entry("dvp0", 0, *viafb_entry);
2029                 if (entry) {
2030                         entry->read_proc = viafb_dvp0_proc_read;
2031                         entry->write_proc = viafb_dvp0_proc_write;
2032                 }
2033                 entry = create_proc_entry("dvp1", 0, *viafb_entry);
2034                 if (entry) {
2035                         entry->read_proc = viafb_dvp1_proc_read;
2036                         entry->write_proc = viafb_dvp1_proc_write;
2037                 }
2038                 entry = create_proc_entry("dfph", 0, *viafb_entry);
2039                 if (entry) {
2040                         entry->read_proc = viafb_dfph_proc_read;
2041                         entry->write_proc = viafb_dfph_proc_write;
2042                 }
2043                 entry = create_proc_entry("dfpl", 0, *viafb_entry);
2044                 if (entry) {
2045                         entry->read_proc = viafb_dfpl_proc_read;
2046                         entry->write_proc = viafb_dfpl_proc_write;
2047                 }
2048                 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
2049                         lvds_chip_name || VT1636_LVDS ==
2050                     viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
2051                         entry = create_proc_entry("vt1636", 0, *viafb_entry);
2052                         if (entry) {
2053                                 entry->read_proc = viafb_vt1636_proc_read;
2054                                 entry->write_proc = viafb_vt1636_proc_write;
2055                         }
2056                 }
2057
2058         }
2059 }
2060 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
2061 {
2062         /* no problem if it was not registered */
2063         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
2064         remove_proc_entry("dvp1", viafb_entry);
2065         remove_proc_entry("dfph", viafb_entry);
2066         remove_proc_entry("dfpl", viafb_entry);
2067         remove_proc_entry("vt1636", viafb_entry);
2068         remove_proc_entry("vt1625", viafb_entry);
2069         remove_proc_entry("viafb", NULL);
2070 }
2071
2072 static int __devinit via_pci_probe(void)
2073 {
2074         unsigned long default_xres, default_yres;
2075         char *tmpc, *tmpm;
2076         char *tmpc_sec, *tmpm_sec;
2077         int vmode_index;
2078         u32 tmds_length, lvds_length, crt_length, chip_length, viafb_par_length;
2079
2080         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
2081
2082         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
2083         tmds_length = ALIGN(sizeof(struct tmds_setting_information),
2084                 BITS_PER_LONG/8);
2085         lvds_length = ALIGN(sizeof(struct lvds_setting_information),
2086                 BITS_PER_LONG/8);
2087         crt_length = ALIGN(sizeof(struct lvds_setting_information),
2088                 BITS_PER_LONG/8);
2089         chip_length = ALIGN(sizeof(struct chip_information), BITS_PER_LONG/8);
2090
2091         /* Allocate fb_info and ***_par here, also including some other needed
2092          * variables
2093         */
2094         viafbinfo = framebuffer_alloc(viafb_par_length + 2 * lvds_length +
2095         tmds_length + crt_length + chip_length, NULL);
2096         if (!viafbinfo) {
2097                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
2098                 return -ENODEV;
2099         }
2100
2101         viaparinfo = (struct viafb_par *)viafbinfo->par;
2102         viaparinfo->tmds_setting_info = (struct tmds_setting_information *)
2103                 ((unsigned long)viaparinfo + viafb_par_length);
2104         viaparinfo->lvds_setting_info = (struct lvds_setting_information *)
2105                 ((unsigned long)viaparinfo->tmds_setting_info + tmds_length);
2106         viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *)
2107                 ((unsigned long)viaparinfo->lvds_setting_info + lvds_length);
2108         viaparinfo->crt_setting_info = (struct crt_setting_information *)
2109                 ((unsigned long)viaparinfo->lvds_setting_info2 + lvds_length);
2110         viaparinfo->chip_info = (struct chip_information *)
2111                 ((unsigned long)viaparinfo->crt_setting_info + crt_length);
2112
2113         if (viafb_dual_fb)
2114                 viafb_SAMM_ON = 1;
2115         parse_active_dev();
2116         parse_video_dev();
2117         parse_lcd_port();
2118         parse_dvi_port();
2119
2120         /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
2121         if (!viafb_SAMM_ON)
2122                 viafb_dual_fb = 0;
2123
2124         /* Set up I2C bus stuff */
2125         viafb_create_i2c_bus(viaparinfo);
2126
2127         viafb_init_chip_info();
2128         viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize);
2129         viaparinfo->fbmem_free = viaparinfo->memsize;
2130         viaparinfo->fbmem_used = 0;
2131         viaparinfo->fbmem_virt = ioremap_nocache(viaparinfo->fbmem,
2132                 viaparinfo->memsize);
2133         viafbinfo->screen_base = (char *)viaparinfo->fbmem_virt;
2134
2135         if (!viaparinfo->fbmem_virt) {
2136                 printk(KERN_INFO "ioremap failed\n");
2137                 return -1;
2138         }
2139
2140         viafb_get_mmio_info(&viaparinfo->mmio_base, &viaparinfo->mmio_len);
2141         viaparinfo->io_virt = ioremap_nocache(viaparinfo->mmio_base,
2142                 viaparinfo->mmio_len);
2143
2144         viafbinfo->node = 0;
2145         viafbinfo->fbops = &viafb_ops;
2146         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
2147
2148         viafbinfo->pseudo_palette = pseudo_pal;
2149         if (viafb_accel) {
2150                 viafb_init_accel();
2151                 viafb_init_2d_engine();
2152                 viafb_hw_cursor_init();
2153         }
2154
2155         if (viafb_second_size && (viafb_second_size < 8)) {
2156                 viafb_second_offset = viaparinfo->fbmem_free -
2157                         viafb_second_size * 1024 * 1024;
2158         } else {
2159                 viafb_second_size = 8;
2160                 viafb_second_offset = viaparinfo->fbmem_free -
2161                         viafb_second_size * 1024 * 1024;
2162         }
2163
2164         viafb_FB_MM = viaparinfo->fbmem_virt;
2165         tmpm = viafb_mode;
2166         tmpc = strsep(&tmpm, "x");
2167         strict_strtoul(tmpc, 0, &default_xres);
2168         strict_strtoul(tmpm, 0, &default_yres);
2169
2170         vmode_index = viafb_get_mode_index(default_xres, default_yres);
2171         DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
2172
2173         if (viafb_SAMM_ON == 1) {
2174                 if (strcmp(viafb_mode, viafb_mode1)) {
2175                         tmpm_sec = viafb_mode1;
2176                         tmpc_sec = strsep(&tmpm_sec, "x");
2177                         strict_strtoul(tmpc_sec, 0,
2178                                 (unsigned long *)&viafb_second_xres);
2179                         strict_strtoul(tmpm_sec, 0,
2180                                 (unsigned long *)&viafb_second_yres);
2181                 } else {
2182                         viafb_second_xres = default_xres;
2183                         viafb_second_yres = default_yres;
2184                 }
2185                 if (0 == viafb_second_virtual_xres) {
2186                         switch (viafb_second_xres) {
2187                         case 1400:
2188                                 viafb_second_virtual_xres = 1408;
2189                                 break;
2190                         default:
2191                                 viafb_second_virtual_xres = viafb_second_xres;
2192                                 break;
2193                         }
2194                 }
2195                 if (0 == viafb_second_virtual_yres)
2196                         viafb_second_virtual_yres = viafb_second_yres;
2197         }
2198
2199         switch (viafb_bpp) {
2200         case 0 ... 8:
2201                 viafb_bpp = 8;
2202                 break;
2203         case 9 ... 16:
2204                 viafb_bpp = 16;
2205                 break;
2206         case 17 ... 32:
2207                 viafb_bpp = 32;
2208                 break;
2209         default:
2210                 viafb_bpp = 8;
2211         }
2212         default_var.xres = default_xres;
2213         default_var.yres = default_yres;
2214         switch (default_xres) {
2215         case 1400:
2216                 default_var.xres_virtual = 1408;
2217                 break;
2218         default:
2219                 default_var.xres_virtual = default_xres;
2220                 break;
2221         }
2222         default_var.yres_virtual = default_yres;
2223         default_var.bits_per_pixel = viafb_bpp;
2224         if (default_var.bits_per_pixel == 15)
2225                 default_var.bits_per_pixel = 16;
2226         default_var.pixclock =
2227             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
2228         default_var.left_margin = (default_xres >> 3) & 0xf8;
2229         default_var.right_margin = 32;
2230         default_var.upper_margin = 16;
2231         default_var.lower_margin = 4;
2232         default_var.hsync_len = default_var.left_margin;
2233         default_var.vsync_len = 4;
2234         default_var.accel_flags = 0;
2235
2236         if (viafb_accel) {
2237                 viafbinfo->flags |=
2238                     (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
2239                      FBINFO_HWACCEL_IMAGEBLIT);
2240                 default_var.accel_flags |= FB_ACCELF_TEXT;
2241         } else
2242                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
2243
2244         if (viafb_dual_fb) {
2245                 viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL);
2246                 if (!viafbinfo1) {
2247                         printk(KERN_ERR
2248                         "allocate the second framebuffer struct error\n");
2249                         framebuffer_release(viafbinfo);
2250                         return -ENOMEM;
2251                 }
2252                 viaparinfo1 = viafbinfo1->par;
2253                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
2254                 viaparinfo1->memsize = viaparinfo->memsize -
2255                         viafb_second_offset;
2256                 viaparinfo->memsize = viafb_second_offset;
2257                 viaparinfo1->fbmem_virt = viaparinfo->fbmem_virt +
2258                         viafb_second_offset;
2259                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
2260
2261                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
2262                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
2263                         viaparinfo1->fbmem_used;
2264                 viaparinfo->fbmem_free = viaparinfo->memsize;
2265                 viaparinfo->fbmem_used = 0;
2266                 if (viafb_accel) {
2267                         viaparinfo1->cursor_start =
2268                             viaparinfo->cursor_start - viafb_second_offset;
2269                         viaparinfo1->VQ_start = viaparinfo->VQ_start -
2270                                 viafb_second_offset;
2271                         viaparinfo1->VQ_end = viaparinfo->VQ_end -
2272                                 viafb_second_offset;
2273                 }
2274
2275                 viaparinfo->iga_path = IGA1;
2276                 viaparinfo1->iga_path = IGA2;
2277                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
2278                 viafbinfo1->screen_base = viafbinfo->screen_base +
2279                         viafb_second_offset;
2280                 viafbinfo1->fix.smem_start = viaparinfo1->fbmem;
2281                 viafbinfo1->fix.smem_len = viaparinfo1->fbmem_free;
2282
2283                 default_var.xres = viafb_second_xres;
2284                 default_var.yres = viafb_second_yres;
2285                 default_var.xres_virtual = viafb_second_virtual_xres;
2286                 default_var.yres_virtual = viafb_second_virtual_yres;
2287                 if (viafb_bpp1 != viafb_bpp)
2288                         viafb_bpp1 = viafb_bpp;
2289                 default_var.bits_per_pixel = viafb_bpp1;
2290                 default_var.pixclock =
2291                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
2292                     viafb_refresh);
2293                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
2294                 default_var.right_margin = 32;
2295                 default_var.upper_margin = 16;
2296                 default_var.lower_margin = 4;
2297                 default_var.hsync_len = default_var.left_margin;
2298                 default_var.vsync_len = 4;
2299
2300                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
2301                 viafb_check_var(&default_var, viafbinfo1);
2302                 viafbinfo1->var = default_var;
2303                 viafb_update_fix(viafbinfo1);
2304         }
2305
2306         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
2307         viafb_check_var(&default_var, viafbinfo);
2308         viafbinfo->var = default_var;
2309         viafb_update_fix(viafbinfo);
2310         default_var.activate = FB_ACTIVATE_NOW;
2311         fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
2312
2313         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
2314             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
2315                 if (register_framebuffer(viafbinfo1) < 0)
2316                         return -EINVAL;
2317         }
2318         if (register_framebuffer(viafbinfo) < 0)
2319                 return -EINVAL;
2320
2321         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
2322                         || (viaparinfo->chip_info->gfx_chip_name !=
2323                         UNICHROME_CLE266))) {
2324                 if (register_framebuffer(viafbinfo1) < 0)
2325                         return -EINVAL;
2326         }
2327         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
2328                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
2329                   default_var.yres, default_var.bits_per_pixel);
2330
2331         viafb_init_proc(&viaparinfo->proc_entry);
2332         viafb_init_dac(IGA2);
2333         return 0;
2334 }
2335
2336 static void __devexit via_pci_remove(void)
2337 {
2338         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
2339         fb_dealloc_cmap(&viafbinfo->cmap);
2340         unregister_framebuffer(viafbinfo);
2341         if (viafb_dual_fb)
2342                 unregister_framebuffer(viafbinfo1);
2343         iounmap((void *)viaparinfo->fbmem_virt);
2344         iounmap(viaparinfo->io_virt);
2345
2346         viafb_delete_i2c_buss(viaparinfo);
2347
2348         framebuffer_release(viafbinfo);
2349         if (viafb_dual_fb)
2350                 framebuffer_release(viafbinfo1);
2351
2352         viafb_remove_proc(viaparinfo->proc_entry);
2353 }
2354
2355 #ifndef MODULE
2356 static int __init viafb_setup(char *options)
2357 {
2358         char *this_opt;
2359         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
2360
2361         if (!options || !*options)
2362                 return 0;
2363
2364         while ((this_opt = strsep(&options, ",")) != NULL) {
2365                 if (!*this_opt)
2366                         continue;
2367
2368                 if (!strncmp(this_opt, "viafb_mode1=", 12))
2369                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
2370                 else if (!strncmp(this_opt, "viafb_mode=", 11))
2371                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
2372                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
2373                         strict_strtoul(this_opt + 11, 0,
2374                                 (unsigned long *)&viafb_bpp1);
2375                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
2376                         strict_strtoul(this_opt + 10, 0,
2377                                 (unsigned long *)&viafb_bpp);
2378                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
2379                         strict_strtoul(this_opt + 15, 0,
2380                                 (unsigned long *)&viafb_refresh1);
2381                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
2382                         strict_strtoul(this_opt + 14, 0,
2383                                 (unsigned long *)&viafb_refresh);
2384                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
2385                         strict_strtoul(this_opt + 21, 0,
2386                                 (unsigned long *)&viafb_lcd_dsp_method);
2387                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
2388                         strict_strtoul(this_opt + 19, 0,
2389                                 (unsigned long *)&viafb_lcd_panel_id);
2390                 else if (!strncmp(this_opt, "viafb_accel=", 12))
2391                         strict_strtoul(this_opt + 12, 0,
2392                                 (unsigned long *)&viafb_accel);
2393                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
2394                         strict_strtoul(this_opt + 14, 0,
2395                                 (unsigned long *)&viafb_SAMM_ON);
2396                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
2397                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
2398                 else if (!strncmp(this_opt,
2399                         "viafb_display_hardware_layout=", 30))
2400                         strict_strtoul(this_opt + 30, 0,
2401                         (unsigned long *)&viafb_display_hardware_layout);
2402                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
2403                         strict_strtoul(this_opt + 18, 0,
2404                                 (unsigned long *)&viafb_second_size);
2405                 else if (!strncmp(this_opt,
2406                         "viafb_platform_epia_dvi=", 24))
2407                         strict_strtoul(this_opt + 24, 0,
2408                                 (unsigned long *)&viafb_platform_epia_dvi);
2409                 else if (!strncmp(this_opt,
2410                         "viafb_device_lcd_dualedge=", 26))
2411                         strict_strtoul(this_opt + 26, 0,
2412                                 (unsigned long *)&viafb_device_lcd_dualedge);
2413                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
2414                         strict_strtoul(this_opt + 16, 0,
2415                                 (unsigned long *)&viafb_bus_width);
2416                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
2417                         strict_strtoul(this_opt + 15, 0,
2418                                 (unsigned long *)&viafb_lcd_mode);
2419                 else if (!strncmp(this_opt, "viafb_video_dev=", 16))
2420                         viafb_video_dev = kstrdup(this_opt + 16, GFP_KERNEL);
2421                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
2422                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
2423                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
2424                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
2425         }
2426         return 0;
2427 }
2428 #endif
2429
2430 static int __init viafb_init(void)
2431 {
2432 #ifndef MODULE
2433         char *option = NULL;
2434         if (fb_get_options("viafb", &option))
2435                 return -ENODEV;
2436         viafb_setup(option);
2437 #endif
2438         printk(KERN_INFO
2439        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2440                VERSION_MAJOR, VERSION_MINOR);
2441         return via_pci_probe();
2442 }
2443
2444 static void __exit viafb_exit(void)
2445 {
2446         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2447         via_pci_remove();
2448 }
2449
2450 static struct fb_ops viafb_ops = {
2451         .owner = THIS_MODULE,
2452         .fb_open = viafb_open,
2453         .fb_release = viafb_release,
2454         .fb_check_var = viafb_check_var,
2455         .fb_set_par = viafb_set_par,
2456         .fb_setcolreg = viafb_setcolreg,
2457         .fb_pan_display = viafb_pan_display,
2458         .fb_blank = viafb_blank,
2459         .fb_fillrect = viafb_fillrect,
2460         .fb_copyarea = viafb_copyarea,
2461         .fb_imageblit = viafb_imageblit,
2462         .fb_cursor = viafb_cursor,
2463         .fb_ioctl = viafb_ioctl,
2464         .fb_sync = viafb_sync,
2465         .fb_setcmap = viafb_setcmap,
2466 };
2467
2468 module_init(viafb_init);
2469 module_exit(viafb_exit);
2470
2471 #ifdef MODULE
2472 module_param(viafb_memsize, int, 0);
2473
2474 module_param(viafb_mode, charp, 0);
2475 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2476
2477 module_param(viafb_mode1, charp, 0);
2478 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2479
2480 module_param(viafb_bpp, int, 0);
2481 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2482
2483 module_param(viafb_bpp1, int, 0);
2484 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2485
2486 module_param(viafb_refresh, int, 0);
2487 MODULE_PARM_DESC(viafb_refresh,
2488         "Set CRT viafb_refresh rate (default = 60)");
2489
2490 module_param(viafb_refresh1, int, 0);
2491 MODULE_PARM_DESC(viafb_refresh1,
2492         "Set CRT refresh rate (default = 60)");
2493
2494 module_param(viafb_lcd_panel_id, int, 0);
2495 MODULE_PARM_DESC(viafb_lcd_panel_id,
2496         "Set Flat Panel type(Default=1024x768)");
2497
2498 module_param(viafb_lcd_dsp_method, int, 0);
2499 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2500         "Set Flat Panel display scaling method.(Default=Expandsion)");
2501
2502 module_param(viafb_SAMM_ON, int, 0);
2503 MODULE_PARM_DESC(viafb_SAMM_ON,
2504         "Turn on/off flag of SAMM(Default=OFF)");
2505
2506 module_param(viafb_accel, int, 0);
2507 MODULE_PARM_DESC(viafb_accel,
2508         "Set 2D Hardware Acceleration.(Default = OFF)");
2509
2510 module_param(viafb_active_dev, charp, 0);
2511 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2512
2513 module_param(viafb_display_hardware_layout, int, 0);
2514 MODULE_PARM_DESC(viafb_display_hardware_layout,
2515         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2516
2517 module_param(viafb_second_size, int, 0);
2518 MODULE_PARM_DESC(viafb_second_size,
2519         "Set secondary device memory size");
2520
2521 module_param(viafb_dual_fb, int, 0);
2522 MODULE_PARM_DESC(viafb_dual_fb,
2523         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2524
2525 module_param(viafb_platform_epia_dvi, int, 0);
2526 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2527         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2528
2529 module_param(viafb_device_lcd_dualedge, int, 0);
2530 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2531         "Turn on/off flag of dual edge panel.(Default = OFF)");
2532
2533 module_param(viafb_bus_width, int, 0);
2534 MODULE_PARM_DESC(viafb_bus_width,
2535         "Set bus width of panel.(Default = 12)");
2536
2537 module_param(viafb_lcd_mode, int, 0);
2538 MODULE_PARM_DESC(viafb_lcd_mode,
2539         "Set Flat Panel mode(Default=OPENLDI)");
2540
2541 module_param(viafb_video_dev, charp, 0);
2542 MODULE_PARM_DESC(viafb_video_dev, "Specify video devices.");
2543
2544 module_param(viafb_lcd_port, charp, 0);
2545 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2546
2547 module_param(viafb_dvi_port, charp, 0);
2548 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2549
2550 MODULE_LICENSE("GPL");
2551 #endif