drivers/video/via/viafbdev.c

   1 /*
   2  * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   4
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public
   7  * License as published by the Free Software Foundation;
   8  * either version 2, or (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
  12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
  13  * A PARTICULAR PURPOSE.See the GNU General Public License
  14  * for more details.
  15
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <linux/module.h>
  23 #include <linux/seq_file.h>
  24 #include <linux/slab.h>
  25 #include <linux/stat.h>
  26 #include <linux/via-core.h>
  27
  28 #define _MASTER_FILE
  29 #include "global.h"
  30
  31 static char *viafb_name = "Via";
  32 static u32 pseudo_pal[17];
  33
  34 /* video mode */
  35 static char *viafb_mode;
  36 static char *viafb_mode1;
  37 static int viafb_bpp = 32;
  38 static int viafb_bpp1 = 32;
  39
  40 static unsigned int viafb_second_offset;
  41 static int viafb_second_size;
  42
  43 static int viafb_accel = 1;
  44
  45 /* Added for specifying active devices.*/
  46 char *viafb_active_dev;
  47
  48 /*Added for specify lcd output port*/
  49 char *viafb_lcd_port = "";
  50 char *viafb_dvi_port = "";
  51
  52 static void retrieve_device_setting(struct viafb_ioctl_setting
  53         *setting_info);
  54 static int viafb_pan_display(struct fb_var_screeninfo *var,
  55         struct fb_info *info);
  56
  57 static struct fb_ops viafb_ops;
  58
  59 /* supported output devices on each IGP
  60  * only CX700, VX800, VX855, VX900 were documented
  61  * VIA_CRT should be everywhere
  62  * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL
  63  * source selection on CX700 and later
  64  * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c
  65  */
  66 static const u32 supported_odev_map[] = {
  67         [UNICHROME_CLE266]      = VIA_CRT | VIA_LDVP0 | VIA_LDVP1,
  68         [UNICHROME_K400]        = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
  69                                 | VIA_LVDS2,
  70         [UNICHROME_K800]        = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
  71                                 | VIA_LVDS2,
  72         [UNICHROME_PM800]       = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
  73                                 | VIA_LVDS2,
  74         [UNICHROME_CN700]       = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
  75                                 | VIA_LVDS2,
  76         [UNICHROME_CX700]       = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  77         [UNICHROME_CN750]       = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  78         [UNICHROME_K8M890]      = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  79         [UNICHROME_P4M890]      = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  80         [UNICHROME_P4M900]      = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  81         [UNICHROME_VX800]       = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  82         [UNICHROME_VX855]       = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  83         [UNICHROME_VX900]       = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
  84 };
  85
  86 static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
  87 {
  88         var->grayscale = 0;
  89         var->red.msb_right = 0;
  90         var->green.msb_right = 0;
  91         var->blue.msb_right = 0;
  92         var->transp.offset = 0;
  93         var->transp.length = 0;
  94         var->transp.msb_right = 0;
  95         var->nonstd = 0;
  96         switch (depth) {
  97         case 8:
  98                 var->bits_per_pixel = 8;
  99                 var->red.offset = 0;
 100                 var->green.offset = 0;
 101                 var->blue.offset = 0;
 102                 var->red.length = 8;
 103                 var->green.length = 8;
 104                 var->blue.length = 8;
 105                 break;
 106         case 15:
 107                 var->bits_per_pixel = 16;
 108                 var->red.offset = 10;
 109                 var->green.offset = 5;
 110                 var->blue.offset = 0;
 111                 var->red.length = 5;
 112                 var->green.length = 5;
 113                 var->blue.length = 5;
 114                 break;
 115         case 16:
 116                 var->bits_per_pixel = 16;
 117                 var->red.offset = 11;
 118                 var->green.offset = 5;
 119                 var->blue.offset = 0;
 120                 var->red.length = 5;
 121                 var->green.length = 6;
 122                 var->blue.length = 5;
 123                 break;
 124         case 24:
 125                 var->bits_per_pixel = 32;
 126                 var->red.offset = 16;
 127                 var->green.offset = 8;
 128                 var->blue.offset = 0;
 129                 var->red.length = 8;
 130                 var->green.length = 8;
 131                 var->blue.length = 8;
 132                 break;
 133         case 30:
 134                 var->bits_per_pixel = 32;
 135                 var->red.offset = 20;
 136                 var->green.offset = 10;
 137                 var->blue.offset = 0;
 138                 var->red.length = 10;
 139                 var->green.length = 10;
 140                 var->blue.length = 10;
 141                 break;
 142         }
 143 }
 144
 145 static void viafb_update_fix(struct fb_info *info)
 146 {
 147         u32 bpp = info->var.bits_per_pixel;
 148
 149         info->fix.visual =
 150                 bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
 151         info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
 152 }
 153
 154 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
 155         struct viafb_par *viaparinfo)
 156 {
 157         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
 158         strcpy(fix->id, viafb_name);
 159
 160         fix->smem_start = viaparinfo->fbmem;
 161         fix->smem_len = viaparinfo->fbmem_free;
 162
 163         fix->type = FB_TYPE_PACKED_PIXELS;
 164         fix->type_aux = 0;
 165         fix->visual = FB_VISUAL_TRUECOLOR;
 166
 167         fix->xpanstep = fix->ywrapstep = 0;
 168         fix->ypanstep = 1;
 169
 170         /* Just tell the accel name */
 171         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
 172 }
 173 static int viafb_open(struct fb_info *info, int user)
 174 {
 175         DEBUG_MSG(KERN_INFO "viafb_open!\n");
 176         return 0;
 177 }
 178
 179 static int viafb_release(struct fb_info *info, int user)
 180 {
 181         DEBUG_MSG(KERN_INFO "viafb_release!\n");
 182         return 0;
 183 }
 184
 185 static int viafb_check_var(struct fb_var_screeninfo *var,
 186         struct fb_info *info)
 187 {
 188         int htotal, vtotal, depth;
 189         struct VideoModeTable *vmode_entry;
 190         struct viafb_par *ppar = info->par;
 191         u32 long_refresh, line;
 192
 193         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 194         /* Sanity check */
 195         /* HW neither support interlacte nor double-scaned mode */
 196         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 197                 return -EINVAL;
 198
 199         vmode_entry = viafb_get_mode(var->xres, var->yres);
 200         if (!vmode_entry) {
 201                 DEBUG_MSG(KERN_INFO
 202                           "viafb: Mode %dx%dx%d not supported!!\n",
 203                           var->xres, var->yres, var->bits_per_pixel);
 204                 return -EINVAL;
 205         }
 206
 207         depth = fb_get_color_depth(var, &info->fix);
 208         if (!depth)
 209                 depth = var->bits_per_pixel;
 210
 211         if (depth < 0 || depth > 32)
 212                 return -EINVAL;
 213         else if (!depth)
 214                 depth = 24;
 215         else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
 216                 depth = 15;
 217         else if (depth == 30)
 218                 depth = 30;
 219         else if (depth <= 8)
 220                 depth = 8;
 221         else if (depth <= 16)
 222                 depth = 16;
 223         else
 224                 depth = 24;
 225
 226         viafb_fill_var_color_info(var, depth);
 227         line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
 228         if (line * var->yres_virtual > ppar->memsize)
 229                 return -EINVAL;
 230
 231         /* Based on var passed in to calculate the refresh,
 232          * because our driver use some modes special.
 233          */
 234         htotal = var->xres + var->left_margin +
 235         var->right_margin + var->hsync_len;
 236         vtotal = var->yres + var->upper_margin +
 237                 var->lower_margin + var->vsync_len;
 238         long_refresh = 1000000000UL / var->pixclock * 1000;
 239         long_refresh /= (htotal * vtotal);
 240
 241         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 242
 243         /* Adjust var according to our driver's own table */
 244         viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
 245         if (var->accel_flags & FB_ACCELF_TEXT &&
 246                 !ppar->shared->vdev->engine_mmio)
 247                 var->accel_flags = 0;
 248
 249         return 0;
 250 }
 251
 252 static int viafb_set_par(struct fb_info *info)
 253 {
 254         struct viafb_par *viapar = info->par;
 255         struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
 256         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 257
 258         viafb_update_fix(info);
 259         viapar->depth = fb_get_color_depth(&info->var, &info->fix);
 260         viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
 261                 viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
 262
 263         vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
 264         if (viafb_dual_fb) {
 265                 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
 266                         viafbinfo1->var.yres);
 267                 viafb_update_device_setting(viafbinfo1->var.xres,
 268                         viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
 269                         viafb_refresh1, 1);
 270         } else if (viafb_SAMM_ON == 1) {
 271                 DEBUG_MSG(KERN_INFO
 272                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 273                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 274                 vmode_entry1 = viafb_get_mode(viafb_second_xres,
 275                         viafb_second_yres);
 276
 277                 viafb_update_device_setting(viafb_second_xres,
 278                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 279         }
 280
 281         if (vmode_entry) {
 282                 if (viafb_dual_fb && viapar->iga_path == IGA2)
 283                         viafb_bpp1 = info->var.bits_per_pixel;
 284                 else
 285                         viafb_bpp = info->var.bits_per_pixel;
 286
 287                 if (info->var.accel_flags & FB_ACCELF_TEXT)
 288                         info->flags &= ~FBINFO_HWACCEL_DISABLED;
 289                 else
 290                         info->flags |= FBINFO_HWACCEL_DISABLED;
 291                 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
 292                         vmode_entry1, viafb_bpp1);
 293                 viafb_pan_display(&info->var, info);
 294         }
 295
 296         return 0;
 297 }
 298
 299 /* Set one color register */
 300 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 301 unsigned blue, unsigned transp, struct fb_info *info)
 302 {
 303         struct viafb_par *viapar = info->par;
 304         u32 r, g, b;
 305
 306         if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
 307                 if (regno > 255)
 308                         return -EINVAL;
 309
 310                 if (!viafb_dual_fb || viapar->iga_path == IGA1)
 311                         viafb_set_primary_color_register(regno, red >> 8,
 312                                 green >> 8, blue >> 8);
 313
 314                 if (!viafb_dual_fb || viapar->iga_path == IGA2)
 315                         viafb_set_secondary_color_register(regno, red >> 8,
 316                                 green >> 8, blue >> 8);
 317         } else {
 318                 if (regno > 15)
 319                         return -EINVAL;
 320
 321                 r = (red >> (16 - info->var.red.length))
 322                         << info->var.red.offset;
 323                 b = (blue >> (16 - info->var.blue.length))
 324                         << info->var.blue.offset;
 325                 g = (green >> (16 - info->var.green.length))
 326                         << info->var.green.offset;
 327                 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
 328         }
 329
 330         return 0;
 331 }
 332
 333 static int viafb_pan_display(struct fb_var_screeninfo *var,
 334         struct fb_info *info)
 335 {
 336         struct viafb_par *viapar = info->par;
 337         u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
 338                 * (var->bits_per_pixel / 8) + viapar->vram_addr;
 339
 340         DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
 341         if (!viafb_dual_fb) {
 342                 via_set_primary_address(vram_addr);
 343                 via_set_secondary_address(vram_addr);
 344         } else if (viapar->iga_path == IGA1)
 345                 via_set_primary_address(vram_addr);
 346         else
 347                 via_set_secondary_address(vram_addr);
 348
 349         return 0;
 350 }
 351
 352 static int viafb_blank(int blank_mode, struct fb_info *info)
 353 {
 354         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 355         /* clear DPMS setting */
 356
 357         switch (blank_mode) {
 358         case FB_BLANK_UNBLANK:
 359                 /* Screen: On, HSync: On, VSync: On */
 360                 /* control CRT monitor power management */
 361                 via_set_state(VIA_CRT, VIA_STATE_ON);
 362                 break;
 363         case FB_BLANK_HSYNC_SUSPEND:
 364                 /* Screen: Off, HSync: Off, VSync: On */
 365                 /* control CRT monitor power management */
 366                 via_set_state(VIA_CRT, VIA_STATE_STANDBY);
 367                 break;
 368         case FB_BLANK_VSYNC_SUSPEND:
 369                 /* Screen: Off, HSync: On, VSync: Off */
 370                 /* control CRT monitor power management */
 371                 via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
 372                 break;
 373         case FB_BLANK_POWERDOWN:
 374                 /* Screen: Off, HSync: Off, VSync: Off */
 375                 /* control CRT monitor power management */
 376                 via_set_state(VIA_CRT, VIA_STATE_OFF);
 377                 break;
 378         }
 379
 380         return 0;
 381 }
 382
 383 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 384 {
 385         union {
 386                 struct viafb_ioctl_mode viamode;
 387                 struct viafb_ioctl_samm viasamm;
 388                 struct viafb_driver_version driver_version;
 389                 struct fb_var_screeninfo sec_var;
 390                 struct _panel_size_pos_info panel_pos_size_para;
 391                 struct viafb_ioctl_setting viafb_setting;
 392                 struct device_t active_dev;
 393         } u;
 394         u32 state_info = 0;
 395         u32 *viafb_gamma_table;
 396         char driver_name[] = "viafb";
 397
 398         u32 __user *argp = (u32 __user *) arg;
 399         u32 gpu32;
 400
 401         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 402         printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
 403         memset(&u, 0, sizeof(u));
 404
 405         switch (cmd) {
 406         case VIAFB_GET_CHIP_INFO:
 407                 if (copy_to_user(argp, viaparinfo->chip_info,
 408                                 sizeof(struct chip_information)))
 409                         return -EFAULT;
 410                 break;
 411         case VIAFB_GET_INFO_SIZE:
 412                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 413         case VIAFB_GET_INFO:
 414                 return viafb_ioctl_get_viafb_info(arg);
 415         case VIAFB_HOTPLUG:
 416                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 417                                               info->var.yres,
 418                                               info->var.bits_per_pixel), argp);
 419         case VIAFB_SET_HOTPLUG_FLAG:
 420                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 421                         return -EFAULT;
 422                 viafb_hotplug = (gpu32) ? 1 : 0;
 423                 break;
 424         case VIAFB_GET_RESOLUTION:
 425                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 426                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 427                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 428                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 429                 if (viafb_SAMM_ON == 1) {
 430                         u.viamode.xres_sec = viafb_second_xres;
 431                         u.viamode.yres_sec = viafb_second_yres;
 432                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 433                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 434                         u.viamode.refresh_sec = viafb_refresh1;
 435                         u.viamode.bpp_sec = viafb_bpp1;
 436                 } else {
 437                         u.viamode.xres_sec = 0;
 438                         u.viamode.yres_sec = 0;
 439                         u.viamode.virtual_xres_sec = 0;
 440                         u.viamode.virtual_yres_sec = 0;
 441                         u.viamode.refresh_sec = 0;
 442                         u.viamode.bpp_sec = 0;
 443                 }
 444                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 445                         return -EFAULT;
 446                 break;
 447         case VIAFB_GET_SAMM_INFO:
 448                 u.viasamm.samm_status = viafb_SAMM_ON;
 449
 450                 if (viafb_SAMM_ON == 1) {
 451                         if (viafb_dual_fb) {
 452                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 453                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 454                         } else {
 455                                 if (viafb_second_size) {
 456                                         u.viasamm.size_prim =
 457                                             viaparinfo->fbmem_free -
 458                                             viafb_second_size * 1024 * 1024;
 459                                         u.viasamm.size_sec =
 460                                             viafb_second_size * 1024 * 1024;
 461                                 } else {
 462                                         u.viasamm.size_prim =
 463                                             viaparinfo->fbmem_free >> 1;
 464                                         u.viasamm.size_sec =
 465                                             (viaparinfo->fbmem_free >> 1);
 466                                 }
 467                         }
 468                         u.viasamm.mem_base = viaparinfo->fbmem;
 469                         u.viasamm.offset_sec = viafb_second_offset;
 470                 } else {
 471                         u.viasamm.size_prim =
 472                             viaparinfo->memsize - viaparinfo->fbmem_used;
 473                         u.viasamm.size_sec = 0;
 474                         u.viasamm.mem_base = viaparinfo->fbmem;
 475                         u.viasamm.offset_sec = 0;
 476                 }
 477
 478                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 479                         return -EFAULT;
 480
 481                 break;
 482         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 483                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 484                         return -EFAULT;
 485                 if (gpu32 & CRT_Device)
 486                         via_set_state(VIA_CRT, VIA_STATE_ON);
 487                 if (gpu32 & DVI_Device)
 488                         viafb_dvi_enable();
 489                 if (gpu32 & LCD_Device)
 490                         viafb_lcd_enable();
 491                 break;
 492         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 493                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 494                         return -EFAULT;
 495                 if (gpu32 & CRT_Device)
 496                         via_set_state(VIA_CRT, VIA_STATE_OFF);
 497                 if (gpu32 & DVI_Device)
 498                         viafb_dvi_disable();
 499                 if (gpu32 & LCD_Device)
 500                         viafb_lcd_disable();
 501                 break;
 502         case VIAFB_GET_DEVICE:
 503                 u.active_dev.crt = viafb_CRT_ON;
 504                 u.active_dev.dvi = viafb_DVI_ON;
 505                 u.active_dev.lcd = viafb_LCD_ON;
 506                 u.active_dev.samm = viafb_SAMM_ON;
 507                 u.active_dev.primary_dev = viafb_primary_dev;
 508
 509                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 510                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 511                 u.active_dev.lcd_mode = viafb_lcd_mode;
 512
 513                 u.active_dev.xres = viafb_hotplug_Xres;
 514                 u.active_dev.yres = viafb_hotplug_Yres;
 515
 516                 u.active_dev.xres1 = viafb_second_xres;
 517                 u.active_dev.yres1 = viafb_second_yres;
 518
 519                 u.active_dev.bpp = viafb_bpp;
 520                 u.active_dev.bpp1 = viafb_bpp1;
 521                 u.active_dev.refresh = viafb_refresh;
 522                 u.active_dev.refresh1 = viafb_refresh1;
 523
 524                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 525                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 526                 u.active_dev.bus_width = viafb_bus_width;
 527
 528                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 529                         return -EFAULT;
 530                 break;
 531
 532         case VIAFB_GET_DRIVER_VERSION:
 533                 u.driver_version.iMajorNum = VERSION_MAJOR;
 534                 u.driver_version.iKernelNum = VERSION_KERNEL;
 535                 u.driver_version.iOSNum = VERSION_OS;
 536                 u.driver_version.iMinorNum = VERSION_MINOR;
 537
 538                 if (copy_to_user(argp, &u.driver_version,
 539                         sizeof(u.driver_version)))
 540                         return -EFAULT;
 541
 542                 break;
 543
 544         case VIAFB_GET_DEVICE_INFO:
 545
 546                 retrieve_device_setting(&u.viafb_setting);
 547
 548                 if (copy_to_user(argp, &u.viafb_setting,
 549                                  sizeof(u.viafb_setting)))
 550                         return -EFAULT;
 551
 552                 break;
 553
 554         case VIAFB_GET_DEVICE_SUPPORT:
 555                 viafb_get_device_support_state(&state_info);
 556                 if (put_user(state_info, argp))
 557                         return -EFAULT;
 558                 break;
 559
 560         case VIAFB_GET_DEVICE_CONNECT:
 561                 viafb_get_device_connect_state(&state_info);
 562                 if (put_user(state_info, argp))
 563                         return -EFAULT;
 564                 break;
 565
 566         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 567                 state_info =
 568                     viafb_lcd_get_support_expand_state(info->var.xres,
 569                                                  info->var.yres);
 570                 if (put_user(state_info, argp))
 571                         return -EFAULT;
 572                 break;
 573
 574         case VIAFB_GET_DRIVER_NAME:
 575                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 576                         return -EFAULT;
 577                 break;
 578
 579         case VIAFB_SET_GAMMA_LUT:
 580                 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
 581                 if (IS_ERR(viafb_gamma_table))
 582                         return PTR_ERR(viafb_gamma_table);
 583                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 584                 kfree(viafb_gamma_table);
 585                 break;
 586
 587         case VIAFB_GET_GAMMA_LUT:
 588                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 589                 if (!viafb_gamma_table)
 590                         return -ENOMEM;
 591                 viafb_get_gamma_table(viafb_gamma_table);
 592                 if (copy_to_user(argp, viafb_gamma_table,
 593                         256 * sizeof(u32))) {
 594                         kfree(viafb_gamma_table);
 595                         return -EFAULT;
 596                 }
 597                 kfree(viafb_gamma_table);
 598                 break;
 599
 600         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 601                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 602                 if (put_user(state_info, argp))
 603                         return -EFAULT;
 604                 break;
 605         case VIAFB_SYNC_SURFACE:
 606                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 607                 break;
 608         case VIAFB_GET_DRIVER_CAPS:
 609                 break;
 610
 611         case VIAFB_GET_PANEL_MAX_SIZE:
 612                 if (copy_from_user(&u.panel_pos_size_para, argp,
 613                                    sizeof(u.panel_pos_size_para)))
 614                         return -EFAULT;
 615                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 616                 if (copy_to_user(argp, &u.panel_pos_size_para,
 617                      sizeof(u.panel_pos_size_para)))
 618                         return -EFAULT;
 619                 break;
 620         case VIAFB_GET_PANEL_MAX_POSITION:
 621                 if (copy_from_user(&u.panel_pos_size_para, argp,
 622                                    sizeof(u.panel_pos_size_para)))
 623                         return -EFAULT;
 624                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 625                 if (copy_to_user(argp, &u.panel_pos_size_para,
 626                                  sizeof(u.panel_pos_size_para)))
 627                         return -EFAULT;
 628                 break;
 629
 630         case VIAFB_GET_PANEL_POSITION:
 631                 if (copy_from_user(&u.panel_pos_size_para, argp,
 632                                    sizeof(u.panel_pos_size_para)))
 633                         return -EFAULT;
 634                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 635                 if (copy_to_user(argp, &u.panel_pos_size_para,
 636                                  sizeof(u.panel_pos_size_para)))
 637                         return -EFAULT;
 638                 break;
 639         case VIAFB_GET_PANEL_SIZE:
 640                 if (copy_from_user(&u.panel_pos_size_para, argp,
 641                                    sizeof(u.panel_pos_size_para)))
 642                         return -EFAULT;
 643                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 644                 if (copy_to_user(argp, &u.panel_pos_size_para,
 645                                  sizeof(u.panel_pos_size_para)))
 646                         return -EFAULT;
 647                 break;
 648
 649         case VIAFB_SET_PANEL_POSITION:
 650                 if (copy_from_user(&u.panel_pos_size_para, argp,
 651                                    sizeof(u.panel_pos_size_para)))
 652                         return -EFAULT;
 653                 break;
 654         case VIAFB_SET_PANEL_SIZE:
 655                 if (copy_from_user(&u.panel_pos_size_para, argp,
 656                                    sizeof(u.panel_pos_size_para)))
 657                         return -EFAULT;
 658                 break;
 659
 660         default:
 661                 return -EINVAL;
 662         }
 663
 664         return 0;
 665 }
 666
 667 static void viafb_fillrect(struct fb_info *info,
 668         const struct fb_fillrect *rect)
 669 {
 670         struct viafb_par *viapar = info->par;
 671         struct viafb_shared *shared = viapar->shared;
 672         u32 fg_color;
 673         u8 rop;
 674
 675         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 676                 cfb_fillrect(info, rect);
 677                 return;
 678         }
 679
 680         if (!rect->width || !rect->height)
 681                 return;
 682
 683         if (info->fix.visual == FB_VISUAL_TRUECOLOR)
 684                 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
 685         else
 686                 fg_color = rect->color;
 687
 688         if (rect->rop == ROP_XOR)
 689                 rop = 0x5A;
 690         else
 691                 rop = 0xF0;
 692
 693         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
 694         if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
 695                 rect->width, rect->height, info->var.bits_per_pixel,
 696                 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
 697                 NULL, 0, 0, 0, 0, fg_color, 0, rop))
 698                 cfb_fillrect(info, rect);
 699 }
 700
 701 static void viafb_copyarea(struct fb_info *info,
 702         const struct fb_copyarea *area)
 703 {
 704         struct viafb_par *viapar = info->par;
 705         struct viafb_shared *shared = viapar->shared;
 706
 707         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 708                 cfb_copyarea(info, area);
 709                 return;
 710         }
 711
 712         if (!area->width || !area->height)
 713                 return;
 714
 715         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
 716         if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
 717                 area->width, area->height, info->var.bits_per_pixel,
 718                 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
 719                 NULL, viapar->vram_addr, info->fix.line_length,
 720                 area->sx, area->sy, 0, 0, 0))
 721                 cfb_copyarea(info, area);
 722 }
 723
 724 static void viafb_imageblit(struct fb_info *info,
 725         const struct fb_image *image)
 726 {
 727         struct viafb_par *viapar = info->par;
 728         struct viafb_shared *shared = viapar->shared;
 729         u32 fg_color = 0, bg_color = 0;
 730         u8 op;
 731
 732         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
 733                 (image->depth != 1 && image->depth != viapar->depth)) {
 734                 cfb_imageblit(info, image);
 735                 return;
 736         }
 737
 738         if (image->depth == 1) {
 739                 op = VIA_BITBLT_MONO;
 740                 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
 741                         fg_color =
 742                                 ((u32 *)info->pseudo_palette)[image->fg_color];
 743                         bg_color =
 744                                 ((u32 *)info->pseudo_palette)[image->bg_color];
 745                 } else {
 746                         fg_color = image->fg_color;
 747                         bg_color = image->bg_color;
 748                 }
 749         } else
 750                 op = VIA_BITBLT_COLOR;
 751
 752         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
 753         if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
 754                 image->width, image->height, info->var.bits_per_pixel,
 755                 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
 756                 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
 757                 cfb_imageblit(info, image);
 758 }
 759
 760 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 761 {
 762         struct viafb_par *viapar = info->par;
 763         void __iomem *engine = viapar->shared->vdev->engine_mmio;
 764         u32 temp, xx, yy, bg_color = 0, fg_color = 0,
 765                 chip_name = viapar->shared->chip_info.gfx_chip_name;
 766         int i, j = 0, cur_size = 64;
 767
 768         if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
 769                 return -ENODEV;
 770
 771         /* LCD ouput does not support hw cursors (at least on VN896) */
 772         if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
 773                 viafb_LCD_ON)
 774                 return -ENODEV;
 775
 776         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 777
 778         if (cursor->set & FB_CUR_SETHOT) {
 779                 temp = (cursor->hot.x << 16) + cursor->hot.y;
 780                 writel(temp, engine + VIA_REG_CURSOR_ORG);
 781         }
 782
 783         if (cursor->set & FB_CUR_SETPOS) {
 784                 yy = cursor->image.dy - info->var.yoffset;
 785                 xx = cursor->image.dx - info->var.xoffset;
 786                 temp = yy & 0xFFFF;
 787                 temp |= (xx << 16);
 788                 writel(temp, engine + VIA_REG_CURSOR_POS);
 789         }
 790
 791         if (cursor->image.width <= 32 && cursor->image.height <= 32)
 792                 cur_size = 32;
 793         else if (cursor->image.width <= 64 && cursor->image.height <= 64)
 794                 cur_size = 64;
 795         else {
 796                 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
 797                         "%dx%d", cursor->image.width, cursor->image.height);
 798                 return -ENXIO;
 799         }
 800
 801         if (cursor->set & FB_CUR_SETSIZE) {
 802                 temp = readl(engine + VIA_REG_CURSOR_MODE);
 803                 if (cur_size == 32)
 804                         temp |= 0x2;
 805                 else
 806                         temp &= ~0x2;
 807
 808                 writel(temp, engine + VIA_REG_CURSOR_MODE);
 809         }
 810
 811         if (cursor->set & FB_CUR_SETCMAP) {
 812                 fg_color = cursor->image.fg_color;
 813                 bg_color = cursor->image.bg_color;
 814                 if (chip_name == UNICHROME_CX700 ||
 815                         chip_name == UNICHROME_VX800 ||
 816                         chip_name == UNICHROME_VX855 ||
 817                         chip_name == UNICHROME_VX900) {
 818                         fg_color =
 819                                 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
 820                                 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
 821                                 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
 822                         bg_color =
 823                                 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
 824                                 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
 825                                 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
 826                 } else {
 827                         fg_color =
 828                                 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
 829                                 (info->cmap.green[fg_color] & 0xFF00) |
 830                                 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
 831                         bg_color =
 832                                 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
 833                                 (info->cmap.green[bg_color] & 0xFF00) |
 834                                 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
 835                 }
 836
 837                 writel(bg_color, engine + VIA_REG_CURSOR_BG);
 838                 writel(fg_color, engine + VIA_REG_CURSOR_FG);
 839         }
 840
 841         if (cursor->set & FB_CUR_SETSHAPE) {
 842                 struct {
 843                         u8 data[CURSOR_SIZE];
 844                         u32 bak[CURSOR_SIZE / 4];
 845                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
 846                 int size = ((cursor->image.width + 7) >> 3) *
 847                         cursor->image.height;
 848
 849                 if (!cr_data)
 850                         return -ENOMEM;
 851
 852                 if (cur_size == 32) {
 853                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 854                                 cr_data->bak[i] = 0x0;
 855                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
 856                                 i += 1;
 857                         }
 858                 } else {
 859                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 860                                 cr_data->bak[i] = 0x0;
 861                                 cr_data->bak[i + 1] = 0x0;
 862                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
 863                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
 864                                 i += 3;
 865                         }
 866                 }
 867
 868                 switch (cursor->rop) {
 869                 case ROP_XOR:
 870                         for (i = 0; i < size; i++)
 871                                 cr_data->data[i] = cursor->mask[i];
 872                         break;
 873                 case ROP_COPY:
 874
 875                         for (i = 0; i < size; i++)
 876                                 cr_data->data[i] = cursor->mask[i];
 877                         break;
 878                 default:
 879                         break;
 880                 }
 881
 882                 if (cur_size == 32) {
 883                         for (i = 0; i < size; i++) {
 884                                 cr_data->bak[j] = (u32) cr_data->data[i];
 885                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
 886                                 j += 2;
 887                         }
 888                 } else {
 889                         for (i = 0; i < size; i++) {
 890                                 cr_data->bak[j] = (u32) cr_data->data[i];
 891                                 cr_data->bak[j + 1] = 0x0;
 892                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
 893                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
 894                                 j += 4;
 895                         }
 896                 }
 897
 898                 memcpy_toio(viafbinfo->screen_base + viapar->shared->
 899                         cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
 900                 kfree(cr_data);
 901         }
 902
 903         if (cursor->enable)
 904                 viafb_show_hw_cursor(info, HW_Cursor_ON);
 905
 906         return 0;
 907 }
 908
 909 static int viafb_sync(struct fb_info *info)
 910 {
 911         if (!(info->flags & FBINFO_HWACCEL_DISABLED))
 912                 viafb_wait_engine_idle(info);
 913         return 0;
 914 }
 915
 916 static int get_primary_device(void)
 917 {
 918         int primary_device = 0;
 919         /* Rule: device on iga1 path are the primary device. */
 920         if (viafb_SAMM_ON) {
 921                 if (viafb_CRT_ON) {
 922                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
 923                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
 924                                         viaparinfo->
 925                                         crt_setting_info->iga_path);
 926                                 primary_device = CRT_Device;
 927                         }
 928                 }
 929                 if (viafb_DVI_ON) {
 930                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
 931                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
 932                                         viaparinfo->
 933                                         tmds_setting_info->iga_path);
 934                                 primary_device = DVI_Device;
 935                         }
 936                 }
 937                 if (viafb_LCD_ON) {
 938                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
 939                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
 940                                         viaparinfo->
 941                                         lvds_setting_info->iga_path);
 942                                 primary_device = LCD_Device;
 943                         }
 944                 }
 945                 if (viafb_LCD2_ON) {
 946                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
 947                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
 948                                         viaparinfo->
 949                                         lvds_setting_info2->iga_path);
 950                                 primary_device = LCD2_Device;
 951                         }
 952                 }
 953         }
 954         return primary_device;
 955 }
 956
 957 static void retrieve_device_setting(struct viafb_ioctl_setting
 958         *setting_info)
 959 {
 960
 961         /* get device status */
 962         if (viafb_CRT_ON == 1)
 963                 setting_info->device_status = CRT_Device;
 964         if (viafb_DVI_ON == 1)
 965                 setting_info->device_status |= DVI_Device;
 966         if (viafb_LCD_ON == 1)
 967                 setting_info->device_status |= LCD_Device;
 968         if (viafb_LCD2_ON == 1)
 969                 setting_info->device_status |= LCD2_Device;
 970
 971         setting_info->samm_status = viafb_SAMM_ON;
 972         setting_info->primary_device = get_primary_device();
 973
 974         setting_info->first_dev_bpp = viafb_bpp;
 975         setting_info->second_dev_bpp = viafb_bpp1;
 976
 977         setting_info->first_dev_refresh = viafb_refresh;
 978         setting_info->second_dev_refresh = viafb_refresh1;
 979
 980         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
 981         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
 982         setting_info->second_dev_hor_res = viafb_second_xres;
 983         setting_info->second_dev_ver_res = viafb_second_yres;
 984
 985         /* Get lcd attributes */
 986         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
 987         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
 988         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
 989 }
 990
 991 static int __init parse_active_dev(void)
 992 {
 993         viafb_CRT_ON = STATE_OFF;
 994         viafb_DVI_ON = STATE_OFF;
 995         viafb_LCD_ON = STATE_OFF;
 996         viafb_LCD2_ON = STATE_OFF;
 997         /* 1. Modify the active status of devices. */
 998         /* 2. Keep the order of devices, so we can set corresponding
 999            IGA path to devices in SAMM case. */
1000         /*    Note: The previous of active_dev is primary device,
1001            and the following is secondary device. */
1002         if (!viafb_active_dev) {
1003                 viafb_CRT_ON = STATE_ON;
1004                 viafb_SAMM_ON = STATE_OFF;
1005         } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1006                 /* CRT+DVI */
1007                 viafb_CRT_ON = STATE_ON;
1008                 viafb_DVI_ON = STATE_ON;
1009                 viafb_primary_dev = CRT_Device;
1010         } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1011                 /* DVI+CRT */
1012                 viafb_CRT_ON = STATE_ON;
1013                 viafb_DVI_ON = STATE_ON;
1014                 viafb_primary_dev = DVI_Device;
1015         } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1016                 /* CRT+LCD */
1017                 viafb_CRT_ON = STATE_ON;
1018                 viafb_LCD_ON = STATE_ON;
1019                 viafb_primary_dev = CRT_Device;
1020         } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1021                 /* LCD+CRT */
1022                 viafb_CRT_ON = STATE_ON;
1023                 viafb_LCD_ON = STATE_ON;
1024                 viafb_primary_dev = LCD_Device;
1025         } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1026                 /* DVI+LCD */
1027                 viafb_DVI_ON = STATE_ON;
1028                 viafb_LCD_ON = STATE_ON;
1029                 viafb_primary_dev = DVI_Device;
1030         } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1031                 /* LCD+DVI */
1032                 viafb_DVI_ON = STATE_ON;
1033                 viafb_LCD_ON = STATE_ON;
1034                 viafb_primary_dev = LCD_Device;
1035         } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1036                 viafb_LCD_ON = STATE_ON;
1037                 viafb_LCD2_ON = STATE_ON;
1038                 viafb_primary_dev = LCD_Device;
1039         } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1040                 viafb_LCD_ON = STATE_ON;
1041                 viafb_LCD2_ON = STATE_ON;
1042                 viafb_primary_dev = LCD2_Device;
1043         } else if (!strcmp(viafb_active_dev, "CRT")) {
1044                 /* CRT only */
1045                 viafb_CRT_ON = STATE_ON;
1046                 viafb_SAMM_ON = STATE_OFF;
1047         } else if (!strcmp(viafb_active_dev, "DVI")) {
1048                 /* DVI only */
1049                 viafb_DVI_ON = STATE_ON;
1050                 viafb_SAMM_ON = STATE_OFF;
1051         } else if (!strcmp(viafb_active_dev, "LCD")) {
1052                 /* LCD only */
1053                 viafb_LCD_ON = STATE_ON;
1054                 viafb_SAMM_ON = STATE_OFF;
1055         } else
1056                 return -EINVAL;
1057
1058         return 0;
1059 }
1060
1061 static int __devinit parse_port(char *opt_str, int *output_interface)
1062 {
1063         if (!strncmp(opt_str, "DVP0", 4))
1064                 *output_interface = INTERFACE_DVP0;
1065         else if (!strncmp(opt_str, "DVP1", 4))
1066                 *output_interface = INTERFACE_DVP1;
1067         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1068                 *output_interface = INTERFACE_DFP;
1069         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1070                 *output_interface = INTERFACE_DFP_HIGH;
1071         else if (!strncmp(opt_str, "DFP_LOW", 7))
1072                 *output_interface = INTERFACE_DFP_LOW;
1073         else
1074                 *output_interface = INTERFACE_NONE;
1075         return 0;
1076 }
1077
1078 static void __devinit parse_lcd_port(void)
1079 {
1080         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1081                 output_interface);
1082         /*Initialize to avoid unexpected behavior */
1083         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1084         INTERFACE_NONE;
1085
1086         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1087                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1088                   output_interface);
1089 }
1090
1091 static void __devinit parse_dvi_port(void)
1092 {
1093         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1094                 output_interface);
1095
1096         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1097                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1098                   output_interface);
1099 }
1100
1101 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1102
1103 /*
1104  * The proc filesystem read/write function, a simple proc implement to
1105  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1106  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1107  * CR9B,    SR65,    CR97,    CR99
1108  */
1109 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1110 {
1111         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1112         dvp0_data_dri =
1113             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1114             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1115         dvp0_clk_dri =
1116             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1117             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1118         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1119         seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1120         return 0;
1121 }
1122
1123 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1124 {
1125         return single_open(file, viafb_dvp0_proc_show, NULL);
1126 }
1127
1128 static ssize_t viafb_dvp0_proc_write(struct file *file,
1129         const char __user *buffer, size_t count, loff_t *pos)
1130 {
1131         char buf[20], *value, *pbuf;
1132         u8 reg_val = 0;
1133         unsigned long length, i;
1134         if (count < 1)
1135                 return -EINVAL;
1136         length = count > 20 ? 20 : count;
1137         if (copy_from_user(&buf[0], buffer, length))
1138                 return -EFAULT;
1139         buf[length - 1] = '\0'; /*Ensure end string */
1140         pbuf = &buf[0];
1141         for (i = 0; i < 3; i++) {
1142                 value = strsep(&pbuf, " ");
1143                 if (value != NULL) {
1144                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1145                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1146                                   reg_val);
1147                         switch (i) {
1148                         case 0:
1149                                 viafb_write_reg_mask(CR96, VIACR,
1150                                         reg_val, 0x0f);
1151                                 break;
1152                         case 1:
1153                                 viafb_write_reg_mask(SR2A, VIASR,
1154                                         reg_val << 4, BIT5);
1155                                 viafb_write_reg_mask(SR1B, VIASR,
1156                                         reg_val << 1, BIT1);
1157                                 break;
1158                         case 2:
1159                                 viafb_write_reg_mask(SR2A, VIASR,
1160                                         reg_val << 3, BIT4);
1161                                 viafb_write_reg_mask(SR1E, VIASR,
1162                                         reg_val << 2, BIT2);
1163                                 break;
1164                         default:
1165                                 break;
1166                         }
1167                 } else {
1168                         break;
1169                 }
1170         }
1171         return count;
1172 }
1173
1174 static const struct file_operations viafb_dvp0_proc_fops = {
1175         .owner          = THIS_MODULE,
1176         .open           = viafb_dvp0_proc_open,
1177         .read           = seq_read,
1178         .llseek         = seq_lseek,
1179         .release        = single_release,
1180         .write          = viafb_dvp0_proc_write,
1181 };
1182
1183 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1184 {
1185         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1186         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1187         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1188         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1189         seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1190         return 0;
1191 }
1192
1193 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1194 {
1195         return single_open(file, viafb_dvp1_proc_show, NULL);
1196 }
1197
1198 static ssize_t viafb_dvp1_proc_write(struct file *file,
1199         const char __user *buffer, size_t count, loff_t *pos)
1200 {
1201         char buf[20], *value, *pbuf;
1202         u8 reg_val = 0;
1203         unsigned long length, i;
1204         if (count < 1)
1205                 return -EINVAL;
1206         length = count > 20 ? 20 : count;
1207         if (copy_from_user(&buf[0], buffer, length))
1208                 return -EFAULT;
1209         buf[length - 1] = '\0'; /*Ensure end string */
1210         pbuf = &buf[0];
1211         for (i = 0; i < 3; i++) {
1212                 value = strsep(&pbuf, " ");
1213                 if (value != NULL) {
1214                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1215                         switch (i) {
1216                         case 0:
1217                                 viafb_write_reg_mask(CR9B, VIACR,
1218                                         reg_val, 0x0f);
1219                                 break;
1220                         case 1:
1221                                 viafb_write_reg_mask(SR65, VIASR,
1222                                         reg_val << 2, 0x0c);
1223                                 break;
1224                         case 2:
1225                                 viafb_write_reg_mask(SR65, VIASR,
1226                                         reg_val, 0x03);
1227                                 break;
1228                         default:
1229                                 break;
1230                         }
1231                 } else {
1232                         break;
1233                 }
1234         }
1235         return count;
1236 }
1237
1238 static const struct file_operations viafb_dvp1_proc_fops = {
1239         .owner          = THIS_MODULE,
1240         .open           = viafb_dvp1_proc_open,
1241         .read           = seq_read,
1242         .llseek         = seq_lseek,
1243         .release        = single_release,
1244         .write          = viafb_dvp1_proc_write,
1245 };
1246
1247 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1248 {
1249         u8 dfp_high = 0;
1250         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1251         seq_printf(m, "%x\n", dfp_high);
1252         return 0;
1253 }
1254
1255 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1256 {
1257         return single_open(file, viafb_dfph_proc_show, NULL);
1258 }
1259
1260 static ssize_t viafb_dfph_proc_write(struct file *file,
1261         const char __user *buffer, size_t count, loff_t *pos)
1262 {
1263         char buf[20];
1264         u8 reg_val = 0;
1265         unsigned long length;
1266         if (count < 1)
1267                 return -EINVAL;
1268         length = count > 20 ? 20 : count;
1269         if (copy_from_user(&buf[0], buffer, length))
1270                 return -EFAULT;
1271         buf[length - 1] = '\0'; /*Ensure end string */
1272         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1273         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1274         return count;
1275 }
1276
1277 static const struct file_operations viafb_dfph_proc_fops = {
1278         .owner          = THIS_MODULE,
1279         .open           = viafb_dfph_proc_open,
1280         .read           = seq_read,
1281         .llseek         = seq_lseek,
1282         .release        = single_release,
1283         .write          = viafb_dfph_proc_write,
1284 };
1285
1286 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1287 {
1288         u8 dfp_low = 0;
1289         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1290         seq_printf(m, "%x\n", dfp_low);
1291         return 0;
1292 }
1293
1294 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1295 {
1296         return single_open(file, viafb_dfpl_proc_show, NULL);
1297 }
1298
1299 static ssize_t viafb_dfpl_proc_write(struct file *file,
1300         const char __user *buffer, size_t count, loff_t *pos)
1301 {
1302         char buf[20];
1303         u8 reg_val = 0;
1304         unsigned long length;
1305         if (count < 1)
1306                 return -EINVAL;
1307         length = count > 20 ? 20 : count;
1308         if (copy_from_user(&buf[0], buffer, length))
1309                 return -EFAULT;
1310         buf[length - 1] = '\0'; /*Ensure end string */
1311         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1312         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1313         return count;
1314 }
1315
1316 static const struct file_operations viafb_dfpl_proc_fops = {
1317         .owner          = THIS_MODULE,
1318         .open           = viafb_dfpl_proc_open,
1319         .read           = seq_read,
1320         .llseek         = seq_lseek,
1321         .release        = single_release,
1322         .write          = viafb_dfpl_proc_write,
1323 };
1324
1325 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1326 {
1327         u8 vt1636_08 = 0, vt1636_09 = 0;
1328         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1329         case VT1636_LVDS:
1330                 vt1636_08 =
1331                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1332                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1333                 vt1636_09 =
1334                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1335                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1336                 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1337                 break;
1338         default:
1339                 break;
1340         }
1341         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1342         case VT1636_LVDS:
1343                 vt1636_08 =
1344                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1345                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1346                 vt1636_09 =
1347                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1348                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1349                 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1350                 break;
1351         default:
1352                 break;
1353         }
1354         return 0;
1355 }
1356
1357 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1358 {
1359         return single_open(file, viafb_vt1636_proc_show, NULL);
1360 }
1361
1362 static ssize_t viafb_vt1636_proc_write(struct file *file,
1363         const char __user *buffer, size_t count, loff_t *pos)
1364 {
1365         char buf[30], *value, *pbuf;
1366         struct IODATA reg_val;
1367         unsigned long length, i;
1368         if (count < 1)
1369                 return -EINVAL;
1370         length = count > 30 ? 30 : count;
1371         if (copy_from_user(&buf[0], buffer, length))
1372                 return -EFAULT;
1373         buf[length - 1] = '\0'; /*Ensure end string */
1374         pbuf = &buf[0];
1375         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1376         case VT1636_LVDS:
1377                 for (i = 0; i < 2; i++) {
1378                         value = strsep(&pbuf, " ");
1379                         if (value != NULL) {
1380                                 strict_strtoul(value, 0,
1381                                         (unsigned long *)&reg_val.Data);
1382                                 switch (i) {
1383                                 case 0:
1384                                         reg_val.Index = 0x08;
1385                                         reg_val.Mask = 0x0f;
1386                                         viafb_gpio_i2c_write_mask_lvds
1387                                             (viaparinfo->lvds_setting_info,
1388                                             &viaparinfo->
1389                                             chip_info->lvds_chip_info,
1390                                              reg_val);
1391                                         break;
1392                                 case 1:
1393                                         reg_val.Index = 0x09;
1394                                         reg_val.Mask = 0x1f;
1395                                         viafb_gpio_i2c_write_mask_lvds
1396                                             (viaparinfo->lvds_setting_info,
1397                                             &viaparinfo->
1398                                             chip_info->lvds_chip_info,
1399                                              reg_val);
1400                                         break;
1401                                 default:
1402                                         break;
1403                                 }
1404                         } else {
1405                                 break;
1406                         }
1407                 }
1408                 break;
1409         default:
1410                 break;
1411         }
1412         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1413         case VT1636_LVDS:
1414                 for (i = 0; i < 2; i++) {
1415                         value = strsep(&pbuf, " ");
1416                         if (value != NULL) {
1417                                 strict_strtoul(value, 0,
1418                                         (unsigned long *)&reg_val.Data);
1419                                 switch (i) {
1420                                 case 0:
1421                                         reg_val.Index = 0x08;
1422                                         reg_val.Mask = 0x0f;
1423                                         viafb_gpio_i2c_write_mask_lvds
1424                                             (viaparinfo->lvds_setting_info2,
1425                                             &viaparinfo->
1426                                             chip_info->lvds_chip_info2,
1427                                              reg_val);
1428                                         break;
1429                                 case 1:
1430                                         reg_val.Index = 0x09;
1431                                         reg_val.Mask = 0x1f;
1432                                         viafb_gpio_i2c_write_mask_lvds
1433                                             (viaparinfo->lvds_setting_info2,
1434                                             &viaparinfo->
1435                                             chip_info->lvds_chip_info2,
1436                                              reg_val);
1437                                         break;
1438                                 default:
1439                                         break;
1440                                 }
1441                         } else {
1442                                 break;
1443                         }
1444                 }
1445                 break;
1446         default:
1447                 break;
1448         }
1449         return count;
1450 }
1451
1452 static const struct file_operations viafb_vt1636_proc_fops = {
1453         .owner          = THIS_MODULE,
1454         .open           = viafb_vt1636_proc_open,
1455         .read           = seq_read,
1456         .llseek         = seq_lseek,
1457         .release        = single_release,
1458         .write          = viafb_vt1636_proc_write,
1459 };
1460
1461 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1462
1463 static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1464 {
1465         via_odev_to_seq(m, supported_odev_map[
1466                 viaparinfo->shared->chip_info.gfx_chip_name]);
1467         return 0;
1468 }
1469
1470 static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
1471 {
1472         return single_open(file, viafb_sup_odev_proc_show, NULL);
1473 }
1474
1475 static const struct file_operations viafb_sup_odev_proc_fops = {
1476         .owner          = THIS_MODULE,
1477         .open           = viafb_sup_odev_proc_open,
1478         .read           = seq_read,
1479         .llseek         = seq_lseek,
1480         .release        = single_release,
1481 };
1482
1483 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1484 {
1485         char buf[64], *ptr = buf;
1486         u32 devices;
1487         bool add, sub;
1488
1489         if (count < 1 || count > 63)
1490                 return -EINVAL;
1491         if (copy_from_user(&buf[0], buffer, count))
1492                 return -EFAULT;
1493         buf[count] = '\0';
1494         add = buf[0] == '+';
1495         sub = buf[0] == '-';
1496         if (add || sub)
1497                 ptr++;
1498         devices = via_parse_odev(ptr, &ptr);
1499         if (*ptr == '\n')
1500                 ptr++;
1501         if (*ptr != 0)
1502                 return -EINVAL;
1503         if (add)
1504                 *odev |= devices;
1505         else if (sub)
1506                 *odev &= ~devices;
1507         else
1508                 *odev = devices;
1509         return count;
1510 }
1511
1512 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1513 {
1514         via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1515         return 0;
1516 }
1517
1518 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1519 {
1520         return single_open(file, viafb_iga1_odev_proc_show, NULL);
1521 }
1522
1523 static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1524         const char __user *buffer, size_t count, loff_t *pos)
1525 {
1526         u32 dev_on, dev_off, dev_old, dev_new;
1527         ssize_t res;
1528
1529         dev_old = dev_new = viaparinfo->shared->iga1_devices;
1530         res = odev_update(buffer, count, &dev_new);
1531         if (res != count)
1532                 return res;
1533         dev_off = dev_old & ~dev_new;
1534         dev_on = dev_new & ~dev_old;
1535         viaparinfo->shared->iga1_devices = dev_new;
1536         viaparinfo->shared->iga2_devices &= ~dev_new;
1537         via_set_state(dev_off, VIA_STATE_OFF);
1538         via_set_source(dev_new, IGA1);
1539         via_set_state(dev_on, VIA_STATE_ON);
1540         return res;
1541 }
1542
1543 static const struct file_operations viafb_iga1_odev_proc_fops = {
1544         .owner          = THIS_MODULE,
1545         .open           = viafb_iga1_odev_proc_open,
1546         .read           = seq_read,
1547         .llseek         = seq_lseek,
1548         .release        = single_release,
1549         .write          = viafb_iga1_odev_proc_write,
1550 };
1551
1552 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1553 {
1554         via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1555         return 0;
1556 }
1557
1558 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1559 {
1560         return single_open(file, viafb_iga2_odev_proc_show, NULL);
1561 }
1562
1563 static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1564         const char __user *buffer, size_t count, loff_t *pos)
1565 {
1566         u32 dev_on, dev_off, dev_old, dev_new;
1567         ssize_t res;
1568
1569         dev_old = dev_new = viaparinfo->shared->iga2_devices;
1570         res = odev_update(buffer, count, &dev_new);
1571         if (res != count)
1572                 return res;
1573         dev_off = dev_old & ~dev_new;
1574         dev_on = dev_new & ~dev_old;
1575         viaparinfo->shared->iga2_devices = dev_new;
1576         viaparinfo->shared->iga1_devices &= ~dev_new;
1577         via_set_state(dev_off, VIA_STATE_OFF);
1578         via_set_source(dev_new, IGA2);
1579         via_set_state(dev_on, VIA_STATE_ON);
1580         return res;
1581 }
1582
1583 static const struct file_operations viafb_iga2_odev_proc_fops = {
1584         .owner          = THIS_MODULE,
1585         .open           = viafb_iga2_odev_proc_open,
1586         .read           = seq_read,
1587         .llseek         = seq_lseek,
1588         .release        = single_release,
1589         .write          = viafb_iga2_odev_proc_write,
1590 };
1591
1592 #define IS_VT1636(lvds_chip)    ((lvds_chip).lvds_chip_name == VT1636_LVDS)
1593 static void viafb_init_proc(struct viafb_shared *shared)
1594 {
1595         struct proc_dir_entry *iga1_entry, *iga2_entry,
1596                 *viafb_entry = proc_mkdir("viafb", NULL);
1597
1598         shared->proc_entry = viafb_entry;
1599         if (viafb_entry) {
1600 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1601                 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
1602                 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
1603                 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
1604                 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
1605                 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1606                         || IS_VT1636(shared->chip_info.lvds_chip_info2))
1607                         proc_create("vt1636", 0, viafb_entry,
1608                                 &viafb_vt1636_proc_fops);
1609 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1610
1611                 proc_create("supported_output_devices", 0, viafb_entry,
1612                         &viafb_sup_odev_proc_fops);
1613                 iga1_entry = proc_mkdir("iga1", viafb_entry);
1614                 shared->iga1_proc_entry = iga1_entry;
1615                 proc_create("output_devices", 0, iga1_entry,
1616                         &viafb_iga1_odev_proc_fops);
1617                 iga2_entry = proc_mkdir("iga2", viafb_entry);
1618                 shared->iga2_proc_entry = iga2_entry;
1619                 proc_create("output_devices", 0, iga2_entry,
1620                         &viafb_iga2_odev_proc_fops);
1621         }
1622 }
1623 static void viafb_remove_proc(struct viafb_shared *shared)
1624 {
1625         struct proc_dir_entry *viafb_entry = shared->proc_entry,
1626                 *iga1_entry = shared->iga1_proc_entry,
1627                 *iga2_entry = shared->iga2_proc_entry;
1628
1629         if (!viafb_entry)
1630                 return;
1631
1632         remove_proc_entry("output_devices", iga2_entry);
1633         remove_proc_entry("iga2", viafb_entry);
1634         remove_proc_entry("output_devices", iga1_entry);
1635         remove_proc_entry("iga1", viafb_entry);
1636         remove_proc_entry("supported_output_devices", viafb_entry);
1637
1638 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1639         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1640         remove_proc_entry("dvp1", viafb_entry);
1641         remove_proc_entry("dfph", viafb_entry);
1642         remove_proc_entry("dfpl", viafb_entry);
1643         if (IS_VT1636(shared->chip_info.lvds_chip_info)
1644                 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1645                 remove_proc_entry("vt1636", viafb_entry);
1646 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1647
1648         remove_proc_entry("viafb", NULL);
1649 }
1650 #undef IS_VT1636
1651
1652 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1653 {
1654         char *ptr;
1655
1656         if (!str) {
1657                 *xres = 640;
1658                 *yres = 480;
1659                 return 0;
1660         }
1661
1662         *xres = simple_strtoul(str, &ptr, 10);
1663         if (ptr[0] != 'x')
1664                 return -EINVAL;
1665
1666         *yres = simple_strtoul(&ptr[1], &ptr, 10);
1667         if (ptr[0])
1668                 return -EINVAL;
1669
1670         return 0;
1671 }
1672
1673
1674 #ifdef CONFIG_PM
1675 static int viafb_suspend(void *unused)
1676 {
1677         acquire_console_sem();
1678         fb_set_suspend(viafbinfo, 1);
1679         viafb_sync(viafbinfo);
1680         release_console_sem();
1681
1682         return 0;
1683 }
1684
1685 static int viafb_resume(void *unused)
1686 {
1687         acquire_console_sem();
1688         if (viaparinfo->shared->vdev->engine_mmio)
1689                 viafb_reset_engine(viaparinfo);
1690         viafb_set_par(viafbinfo);
1691         if (viafb_dual_fb)
1692                 viafb_set_par(viafbinfo1);
1693         fb_set_suspend(viafbinfo, 0);
1694
1695         release_console_sem();
1696         return 0;
1697 }
1698
1699 static struct viafb_pm_hooks viafb_fb_pm_hooks = {
1700         .suspend = viafb_suspend,
1701         .resume = viafb_resume
1702 };
1703
1704 #endif
1705
1706
1707 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1708 {
1709         u32 default_xres, default_yres;
1710         struct VideoModeTable *vmode_entry;
1711         struct fb_var_screeninfo default_var;
1712         int rc;
1713         u32 viafb_par_length;
1714
1715         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1716         memset(&default_var, 0, sizeof(default_var));
1717         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1718
1719         /* Allocate fb_info and ***_par here, also including some other needed
1720          * variables
1721         */
1722         viafbinfo = framebuffer_alloc(viafb_par_length +
1723                 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1724                 &vdev->pdev->dev);
1725         if (!viafbinfo) {
1726                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1727                 return -ENOMEM;
1728         }
1729
1730         viaparinfo = (struct viafb_par *)viafbinfo->par;
1731         viaparinfo->shared = viafbinfo->par + viafb_par_length;
1732         viaparinfo->shared->vdev = vdev;
1733         viaparinfo->vram_addr = 0;
1734         viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1735         viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1736         viaparinfo->lvds_setting_info2 =
1737                 &viaparinfo->shared->lvds_setting_info2;
1738         viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1739         viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1740
1741         if (viafb_dual_fb)
1742                 viafb_SAMM_ON = 1;
1743         parse_lcd_port();
1744         parse_dvi_port();
1745
1746         viafb_init_chip_info(vdev->chip_type);
1747         /*
1748          * The framebuffer will have been successfully mapped by
1749          * the core (or we'd not be here), but we still need to
1750          * set up our own accounting.
1751          */
1752         viaparinfo->fbmem = vdev->fbmem_start;
1753         viaparinfo->memsize = vdev->fbmem_len;
1754         viaparinfo->fbmem_free = viaparinfo->memsize;
1755         viaparinfo->fbmem_used = 0;
1756         viafbinfo->screen_base = vdev->fbmem;
1757
1758         viafbinfo->fix.mmio_start = vdev->engine_start;
1759         viafbinfo->fix.mmio_len = vdev->engine_len;
1760         viafbinfo->node = 0;
1761         viafbinfo->fbops = &viafb_ops;
1762         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1763
1764         viafbinfo->pseudo_palette = pseudo_pal;
1765         if (viafb_accel && !viafb_setup_engine(viafbinfo)) {
1766                 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1767                         FBINFO_HWACCEL_FILLRECT |  FBINFO_HWACCEL_IMAGEBLIT;
1768                 default_var.accel_flags = FB_ACCELF_TEXT;
1769         } else {
1770                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1771                 default_var.accel_flags = 0;
1772         }
1773
1774         if (viafb_second_size && (viafb_second_size < 8)) {
1775                 viafb_second_offset = viaparinfo->fbmem_free -
1776                         viafb_second_size * 1024 * 1024;
1777         } else {
1778                 viafb_second_size = 8;
1779                 viafb_second_offset = viaparinfo->fbmem_free -
1780                         viafb_second_size * 1024 * 1024;
1781         }
1782
1783         parse_mode(viafb_mode, &default_xres, &default_yres);
1784         vmode_entry = viafb_get_mode(default_xres, default_yres);
1785         if (viafb_SAMM_ON == 1) {
1786                 parse_mode(viafb_mode1, &viafb_second_xres,
1787                         &viafb_second_yres);
1788
1789                 viafb_second_virtual_xres = viafb_second_xres;
1790                 viafb_second_virtual_yres = viafb_second_yres;
1791         }
1792
1793         default_var.xres = default_xres;
1794         default_var.yres = default_yres;
1795         default_var.xres_virtual = default_xres;
1796         default_var.yres_virtual = default_yres;
1797         default_var.bits_per_pixel = viafb_bpp;
1798         default_var.pixclock =
1799             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
1800         default_var.left_margin = (default_xres >> 3) & 0xf8;
1801         default_var.right_margin = 32;
1802         default_var.upper_margin = 16;
1803         default_var.lower_margin = 4;
1804         default_var.hsync_len = default_var.left_margin;
1805         default_var.vsync_len = 4;
1806         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1807         viafbinfo->var = default_var;
1808
1809         if (viafb_dual_fb) {
1810                 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1811                                 &vdev->pdev->dev);
1812                 if (!viafbinfo1) {
1813                         printk(KERN_ERR
1814                         "allocate the second framebuffer struct error\n");
1815                         rc = -ENOMEM;
1816                         goto out_fb_release;
1817                 }
1818                 viaparinfo1 = viafbinfo1->par;
1819                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1820                 viaparinfo1->vram_addr = viafb_second_offset;
1821                 viaparinfo1->memsize = viaparinfo->memsize -
1822                         viafb_second_offset;
1823                 viaparinfo->memsize = viafb_second_offset;
1824                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1825
1826                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1827                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1828                         viaparinfo1->fbmem_used;
1829                 viaparinfo->fbmem_free = viaparinfo->memsize;
1830                 viaparinfo->fbmem_used = 0;
1831
1832                 viaparinfo->iga_path = IGA1;
1833                 viaparinfo1->iga_path = IGA2;
1834                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1835                 viafbinfo1->par = viaparinfo1;
1836                 viafbinfo1->screen_base = viafbinfo->screen_base +
1837                         viafb_second_offset;
1838
1839                 default_var.xres = viafb_second_xres;
1840                 default_var.yres = viafb_second_yres;
1841                 default_var.xres_virtual = viafb_second_virtual_xres;
1842                 default_var.yres_virtual = viafb_second_virtual_yres;
1843                 default_var.bits_per_pixel = viafb_bpp1;
1844                 default_var.pixclock =
1845                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
1846                     viafb_refresh);
1847                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
1848                 default_var.right_margin = 32;
1849                 default_var.upper_margin = 16;
1850                 default_var.lower_margin = 4;
1851                 default_var.hsync_len = default_var.left_margin;
1852                 default_var.vsync_len = 4;
1853
1854                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
1855                 viafb_check_var(&default_var, viafbinfo1);
1856                 viafbinfo1->var = default_var;
1857                 viafb_update_fix(viafbinfo1);
1858                 viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
1859                         &viafbinfo1->fix);
1860         }
1861
1862         viafb_check_var(&viafbinfo->var, viafbinfo);
1863         viafb_update_fix(viafbinfo);
1864         viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
1865                 &viafbinfo->fix);
1866         default_var.activate = FB_ACTIVATE_NOW;
1867         rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
1868         if (rc)
1869                 goto out_fb1_release;
1870
1871         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1872             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
1873                 rc = register_framebuffer(viafbinfo1);
1874                 if (rc)
1875                         goto out_dealloc_cmap;
1876         }
1877         rc = register_framebuffer(viafbinfo);
1878         if (rc)
1879                 goto out_fb1_unreg_lcd_cle266;
1880
1881         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
1882                         || (viaparinfo->chip_info->gfx_chip_name !=
1883                         UNICHROME_CLE266))) {
1884                 rc = register_framebuffer(viafbinfo1);
1885                 if (rc)
1886                         goto out_fb_unreg;
1887         }
1888         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
1889                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
1890                   default_var.yres, default_var.bits_per_pixel);
1891
1892         viafb_init_proc(viaparinfo->shared);
1893         viafb_init_dac(IGA2);
1894
1895 #ifdef CONFIG_PM
1896         viafb_pm_register(&viafb_fb_pm_hooks);
1897 #endif
1898         return 0;
1899
1900 out_fb_unreg:
1901         unregister_framebuffer(viafbinfo);
1902 out_fb1_unreg_lcd_cle266:
1903         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
1904             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
1905                 unregister_framebuffer(viafbinfo1);
1906 out_dealloc_cmap:
1907         fb_dealloc_cmap(&viafbinfo->cmap);
1908 out_fb1_release:
1909         if (viafbinfo1)
1910                 framebuffer_release(viafbinfo1);
1911 out_fb_release:
1912         framebuffer_release(viafbinfo);
1913         return rc;
1914 }
1915
1916 void __devexit via_fb_pci_remove(struct pci_dev *pdev)
1917 {
1918         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
1919         fb_dealloc_cmap(&viafbinfo->cmap);
1920         unregister_framebuffer(viafbinfo);
1921         if (viafb_dual_fb)
1922                 unregister_framebuffer(viafbinfo1);
1923         viafb_remove_proc(viaparinfo->shared);
1924         framebuffer_release(viafbinfo);
1925         if (viafb_dual_fb)
1926                 framebuffer_release(viafbinfo1);
1927 }
1928
1929 #ifndef MODULE
1930 static int __init viafb_setup(char *options)
1931 {
1932         char *this_opt;
1933         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
1934
1935         if (!options || !*options)
1936                 return 0;
1937
1938         while ((this_opt = strsep(&options, ",")) != NULL) {
1939                 if (!*this_opt)
1940                         continue;
1941
1942                 if (!strncmp(this_opt, "viafb_mode1=", 12))
1943                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
1944                 else if (!strncmp(this_opt, "viafb_mode=", 11))
1945                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
1946                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
1947                         strict_strtoul(this_opt + 11, 0,
1948                                 (unsigned long *)&viafb_bpp1);
1949                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
1950                         strict_strtoul(this_opt + 10, 0,
1951                                 (unsigned long *)&viafb_bpp);
1952                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
1953                         strict_strtoul(this_opt + 15, 0,
1954                                 (unsigned long *)&viafb_refresh1);
1955                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
1956                         strict_strtoul(this_opt + 14, 0,
1957                                 (unsigned long *)&viafb_refresh);
1958                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
1959                         strict_strtoul(this_opt + 21, 0,
1960                                 (unsigned long *)&viafb_lcd_dsp_method);
1961                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
1962                         strict_strtoul(this_opt + 19, 0,
1963                                 (unsigned long *)&viafb_lcd_panel_id);
1964                 else if (!strncmp(this_opt, "viafb_accel=", 12))
1965                         strict_strtoul(this_opt + 12, 0,
1966                                 (unsigned long *)&viafb_accel);
1967                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
1968                         strict_strtoul(this_opt + 14, 0,
1969                                 (unsigned long *)&viafb_SAMM_ON);
1970                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
1971                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
1972                 else if (!strncmp(this_opt,
1973                         "viafb_display_hardware_layout=", 30))
1974                         strict_strtoul(this_opt + 30, 0,
1975                         (unsigned long *)&viafb_display_hardware_layout);
1976                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
1977                         strict_strtoul(this_opt + 18, 0,
1978                                 (unsigned long *)&viafb_second_size);
1979                 else if (!strncmp(this_opt,
1980                         "viafb_platform_epia_dvi=", 24))
1981                         strict_strtoul(this_opt + 24, 0,
1982                                 (unsigned long *)&viafb_platform_epia_dvi);
1983                 else if (!strncmp(this_opt,
1984                         "viafb_device_lcd_dualedge=", 26))
1985                         strict_strtoul(this_opt + 26, 0,
1986                                 (unsigned long *)&viafb_device_lcd_dualedge);
1987                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
1988                         strict_strtoul(this_opt + 16, 0,
1989                                 (unsigned long *)&viafb_bus_width);
1990                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
1991                         strict_strtoul(this_opt + 15, 0,
1992                                 (unsigned long *)&viafb_lcd_mode);
1993                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
1994                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
1995                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
1996                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
1997         }
1998         return 0;
1999 }
2000 #endif
2001
2002 /*
2003  * These are called out of via-core for now.
2004  */
2005 int __init viafb_init(void)
2006 {
2007         u32 dummy;
2008 #ifndef MODULE
2009         char *option = NULL;
2010         if (fb_get_options("viafb", &option))
2011                 return -ENODEV;
2012         viafb_setup(option);
2013 #endif
2014         if (parse_mode(viafb_mode, &dummy, &dummy)
2015                 || parse_mode(viafb_mode1, &dummy, &dummy)
2016                 || viafb_bpp < 0 || viafb_bpp > 32
2017                 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2018                 || parse_active_dev())
2019                 return -EINVAL;
2020
2021         printk(KERN_INFO
2022        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2023                VERSION_MAJOR, VERSION_MINOR);
2024         return 0;
2025 }
2026
2027 void __exit viafb_exit(void)
2028 {
2029         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2030 }
2031
2032 static struct fb_ops viafb_ops = {
2033         .owner = THIS_MODULE,
2034         .fb_open = viafb_open,
2035         .fb_release = viafb_release,
2036         .fb_check_var = viafb_check_var,
2037         .fb_set_par = viafb_set_par,
2038         .fb_setcolreg = viafb_setcolreg,
2039         .fb_pan_display = viafb_pan_display,
2040         .fb_blank = viafb_blank,
2041         .fb_fillrect = viafb_fillrect,
2042         .fb_copyarea = viafb_copyarea,
2043         .fb_imageblit = viafb_imageblit,
2044         .fb_cursor = viafb_cursor,
2045         .fb_ioctl = viafb_ioctl,
2046         .fb_sync = viafb_sync,
2047 };
2048
2049
2050 #ifdef MODULE
2051 module_param(viafb_mode, charp, S_IRUSR);
2052 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2053
2054 module_param(viafb_mode1, charp, S_IRUSR);
2055 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2056
2057 module_param(viafb_bpp, int, S_IRUSR);
2058 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2059
2060 module_param(viafb_bpp1, int, S_IRUSR);
2061 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2062
2063 module_param(viafb_refresh, int, S_IRUSR);
2064 MODULE_PARM_DESC(viafb_refresh,
2065         "Set CRT viafb_refresh rate (default = 60)");
2066
2067 module_param(viafb_refresh1, int, S_IRUSR);
2068 MODULE_PARM_DESC(viafb_refresh1,
2069         "Set CRT refresh rate (default = 60)");
2070
2071 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2072 MODULE_PARM_DESC(viafb_lcd_panel_id,
2073         "Set Flat Panel type(Default=1024x768)");
2074
2075 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2076 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2077         "Set Flat Panel display scaling method.(Default=Expandsion)");
2078
2079 module_param(viafb_SAMM_ON, int, S_IRUSR);
2080 MODULE_PARM_DESC(viafb_SAMM_ON,
2081         "Turn on/off flag of SAMM(Default=OFF)");
2082
2083 module_param(viafb_accel, int, S_IRUSR);
2084 MODULE_PARM_DESC(viafb_accel,
2085         "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2086
2087 module_param(viafb_active_dev, charp, S_IRUSR);
2088 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2089
2090 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2091 MODULE_PARM_DESC(viafb_display_hardware_layout,
2092         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2093
2094 module_param(viafb_second_size, int, S_IRUSR);
2095 MODULE_PARM_DESC(viafb_second_size,
2096         "Set secondary device memory size");
2097
2098 module_param(viafb_dual_fb, int, S_IRUSR);
2099 MODULE_PARM_DESC(viafb_dual_fb,
2100         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2101
2102 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2103 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2104         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2105
2106 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2107 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2108         "Turn on/off flag of dual edge panel.(Default = OFF)");
2109
2110 module_param(viafb_bus_width, int, S_IRUSR);
2111 MODULE_PARM_DESC(viafb_bus_width,
2112         "Set bus width of panel.(Default = 12)");
2113
2114 module_param(viafb_lcd_mode, int, S_IRUSR);
2115 MODULE_PARM_DESC(viafb_lcd_mode,
2116         "Set Flat Panel mode(Default=OPENLDI)");
2117
2118 module_param(viafb_lcd_port, charp, S_IRUSR);
2119 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2120
2121 module_param(viafb_dvi_port, charp, S_IRUSR);
2122 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2123
2124 MODULE_LICENSE("GPL");
2125 #endif