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 static char *viafb_active_dev;
  47
  48 /*Added for specify lcd output port*/
  49 static char *viafb_lcd_port = "";
  50 static 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 inline int get_var_refresh(struct fb_var_screeninfo *var)
 186 {
 187         u32 htotal, vtotal;
 188
 189         htotal = var->left_margin + var->xres + var->right_margin
 190                 + var->hsync_len;
 191         vtotal = var->upper_margin + var->yres + var->lower_margin
 192                 + var->vsync_len;
 193         return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal);
 194 }
 195
 196 static int viafb_check_var(struct fb_var_screeninfo *var,
 197         struct fb_info *info)
 198 {
 199         int depth, refresh;
 200         struct VideoModeTable *vmode_entry;
 201         struct viafb_par *ppar = info->par;
 202         u32 line;
 203
 204         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 205         /* Sanity check */
 206         /* HW neither support interlacte nor double-scaned mode */
 207         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 208                 return -EINVAL;
 209
 210         vmode_entry = viafb_get_mode(var->xres, var->yres);
 211         if (!vmode_entry) {
 212                 DEBUG_MSG(KERN_INFO
 213                           "viafb: Mode %dx%dx%d not supported!!\n",
 214                           var->xres, var->yres, var->bits_per_pixel);
 215                 return -EINVAL;
 216         }
 217
 218         depth = fb_get_color_depth(var, &info->fix);
 219         if (!depth)
 220                 depth = var->bits_per_pixel;
 221
 222         if (depth < 0 || depth > 32)
 223                 return -EINVAL;
 224         else if (!depth)
 225                 depth = 24;
 226         else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
 227                 depth = 15;
 228         else if (depth == 30)
 229                 depth = 30;
 230         else if (depth <= 8)
 231                 depth = 8;
 232         else if (depth <= 16)
 233                 depth = 16;
 234         else
 235                 depth = 24;
 236
 237         viafb_fill_var_color_info(var, depth);
 238         line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
 239         if (line * var->yres_virtual > ppar->memsize)
 240                 return -EINVAL;
 241
 242         /* Based on var passed in to calculate the refresh,
 243          * because our driver use some modes special.
 244          */
 245         refresh = viafb_get_refresh(var->xres, var->yres,
 246                 get_var_refresh(var));
 247
 248         /* Adjust var according to our driver's own table */
 249         viafb_fill_var_timing_info(var, refresh, vmode_entry);
 250         if (var->accel_flags & FB_ACCELF_TEXT &&
 251                 !ppar->shared->vdev->engine_mmio)
 252                 var->accel_flags = 0;
 253
 254         return 0;
 255 }
 256
 257 static int viafb_set_par(struct fb_info *info)
 258 {
 259         struct viafb_par *viapar = info->par;
 260         struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
 261         int refresh;
 262         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 263
 264         viafb_update_fix(info);
 265         viapar->depth = fb_get_color_depth(&info->var, &info->fix);
 266         viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
 267                 viafbinfo->var.bits_per_pixel, 0);
 268
 269         vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
 270         if (viafb_dual_fb) {
 271                 vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
 272                         viafbinfo1->var.yres);
 273                 viafb_update_device_setting(viafbinfo1->var.xres,
 274                         viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
 275                         1);
 276         } else if (viafb_SAMM_ON == 1) {
 277                 DEBUG_MSG(KERN_INFO
 278                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 279                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 280                 vmode_entry1 = viafb_get_mode(viafb_second_xres,
 281                         viafb_second_yres);
 282
 283                 viafb_update_device_setting(viafb_second_xres,
 284                         viafb_second_yres, viafb_bpp1, 1);
 285         }
 286
 287         refresh = viafb_get_refresh(info->var.xres, info->var.yres,
 288                 get_var_refresh(&info->var));
 289         if (vmode_entry) {
 290                 if (viafb_dual_fb && viapar->iga_path == IGA2) {
 291                         viafb_bpp1 = info->var.bits_per_pixel;
 292                         viafb_refresh1 = refresh;
 293                 } else {
 294                         viafb_bpp = info->var.bits_per_pixel;
 295                         viafb_refresh = refresh;
 296                 }
 297
 298                 if (info->var.accel_flags & FB_ACCELF_TEXT)
 299                         info->flags &= ~FBINFO_HWACCEL_DISABLED;
 300                 else
 301                         info->flags |= FBINFO_HWACCEL_DISABLED;
 302                 viafb_setmode(vmode_entry, info->var.bits_per_pixel,
 303                         vmode_entry1, viafb_bpp1);
 304                 viafb_pan_display(&info->var, info);
 305         }
 306
 307         return 0;
 308 }
 309
 310 /* Set one color register */
 311 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 312 unsigned blue, unsigned transp, struct fb_info *info)
 313 {
 314         struct viafb_par *viapar = info->par;
 315         u32 r, g, b;
 316
 317         if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
 318                 if (regno > 255)
 319                         return -EINVAL;
 320
 321                 if (!viafb_dual_fb || viapar->iga_path == IGA1)
 322                         viafb_set_primary_color_register(regno, red >> 8,
 323                                 green >> 8, blue >> 8);
 324
 325                 if (!viafb_dual_fb || viapar->iga_path == IGA2)
 326                         viafb_set_secondary_color_register(regno, red >> 8,
 327                                 green >> 8, blue >> 8);
 328         } else {
 329                 if (regno > 15)
 330                         return -EINVAL;
 331
 332                 r = (red >> (16 - info->var.red.length))
 333                         << info->var.red.offset;
 334                 b = (blue >> (16 - info->var.blue.length))
 335                         << info->var.blue.offset;
 336                 g = (green >> (16 - info->var.green.length))
 337                         << info->var.green.offset;
 338                 ((u32 *) info->pseudo_palette)[regno] = r | g | b;
 339         }
 340
 341         return 0;
 342 }
 343
 344 static int viafb_pan_display(struct fb_var_screeninfo *var,
 345         struct fb_info *info)
 346 {
 347         struct viafb_par *viapar = info->par;
 348         u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
 349                 * (var->bits_per_pixel / 8) + viapar->vram_addr;
 350
 351         DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
 352         if (!viafb_dual_fb) {
 353                 via_set_primary_address(vram_addr);
 354                 via_set_secondary_address(vram_addr);
 355         } else if (viapar->iga_path == IGA1)
 356                 via_set_primary_address(vram_addr);
 357         else
 358                 via_set_secondary_address(vram_addr);
 359
 360         return 0;
 361 }
 362
 363 static int viafb_blank(int blank_mode, struct fb_info *info)
 364 {
 365         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 366         /* clear DPMS setting */
 367
 368         switch (blank_mode) {
 369         case FB_BLANK_UNBLANK:
 370                 /* Screen: On, HSync: On, VSync: On */
 371                 /* control CRT monitor power management */
 372                 via_set_state(VIA_CRT, VIA_STATE_ON);
 373                 break;
 374         case FB_BLANK_HSYNC_SUSPEND:
 375                 /* Screen: Off, HSync: Off, VSync: On */
 376                 /* control CRT monitor power management */
 377                 via_set_state(VIA_CRT, VIA_STATE_STANDBY);
 378                 break;
 379         case FB_BLANK_VSYNC_SUSPEND:
 380                 /* Screen: Off, HSync: On, VSync: Off */
 381                 /* control CRT monitor power management */
 382                 via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
 383                 break;
 384         case FB_BLANK_POWERDOWN:
 385                 /* Screen: Off, HSync: Off, VSync: Off */
 386                 /* control CRT monitor power management */
 387                 via_set_state(VIA_CRT, VIA_STATE_OFF);
 388                 break;
 389         }
 390
 391         return 0;
 392 }
 393
 394 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 395 {
 396         union {
 397                 struct viafb_ioctl_mode viamode;
 398                 struct viafb_ioctl_samm viasamm;
 399                 struct viafb_driver_version driver_version;
 400                 struct fb_var_screeninfo sec_var;
 401                 struct _panel_size_pos_info panel_pos_size_para;
 402                 struct viafb_ioctl_setting viafb_setting;
 403                 struct device_t active_dev;
 404         } u;
 405         u32 state_info = 0;
 406         u32 *viafb_gamma_table;
 407         char driver_name[] = "viafb";
 408
 409         u32 __user *argp = (u32 __user *) arg;
 410         u32 gpu32;
 411
 412         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 413         printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
 414         memset(&u, 0, sizeof(u));
 415
 416         switch (cmd) {
 417         case VIAFB_GET_CHIP_INFO:
 418                 if (copy_to_user(argp, viaparinfo->chip_info,
 419                                 sizeof(struct chip_information)))
 420                         return -EFAULT;
 421                 break;
 422         case VIAFB_GET_INFO_SIZE:
 423                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 424         case VIAFB_GET_INFO:
 425                 return viafb_ioctl_get_viafb_info(arg);
 426         case VIAFB_HOTPLUG:
 427                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 428                                               info->var.yres,
 429                                               info->var.bits_per_pixel), argp);
 430         case VIAFB_SET_HOTPLUG_FLAG:
 431                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 432                         return -EFAULT;
 433                 viafb_hotplug = (gpu32) ? 1 : 0;
 434                 break;
 435         case VIAFB_GET_RESOLUTION:
 436                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 437                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 438                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 439                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 440                 if (viafb_SAMM_ON == 1) {
 441                         u.viamode.xres_sec = viafb_second_xres;
 442                         u.viamode.yres_sec = viafb_second_yres;
 443                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 444                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 445                         u.viamode.refresh_sec = viafb_refresh1;
 446                         u.viamode.bpp_sec = viafb_bpp1;
 447                 } else {
 448                         u.viamode.xres_sec = 0;
 449                         u.viamode.yres_sec = 0;
 450                         u.viamode.virtual_xres_sec = 0;
 451                         u.viamode.virtual_yres_sec = 0;
 452                         u.viamode.refresh_sec = 0;
 453                         u.viamode.bpp_sec = 0;
 454                 }
 455                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 456                         return -EFAULT;
 457                 break;
 458         case VIAFB_GET_SAMM_INFO:
 459                 u.viasamm.samm_status = viafb_SAMM_ON;
 460
 461                 if (viafb_SAMM_ON == 1) {
 462                         if (viafb_dual_fb) {
 463                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 464                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 465                         } else {
 466                                 if (viafb_second_size) {
 467                                         u.viasamm.size_prim =
 468                                             viaparinfo->fbmem_free -
 469                                             viafb_second_size * 1024 * 1024;
 470                                         u.viasamm.size_sec =
 471                                             viafb_second_size * 1024 * 1024;
 472                                 } else {
 473                                         u.viasamm.size_prim =
 474                                             viaparinfo->fbmem_free >> 1;
 475                                         u.viasamm.size_sec =
 476                                             (viaparinfo->fbmem_free >> 1);
 477                                 }
 478                         }
 479                         u.viasamm.mem_base = viaparinfo->fbmem;
 480                         u.viasamm.offset_sec = viafb_second_offset;
 481                 } else {
 482                         u.viasamm.size_prim =
 483                             viaparinfo->memsize - viaparinfo->fbmem_used;
 484                         u.viasamm.size_sec = 0;
 485                         u.viasamm.mem_base = viaparinfo->fbmem;
 486                         u.viasamm.offset_sec = 0;
 487                 }
 488
 489                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 490                         return -EFAULT;
 491
 492                 break;
 493         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 494                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 495                         return -EFAULT;
 496                 if (gpu32 & CRT_Device)
 497                         via_set_state(VIA_CRT, VIA_STATE_ON);
 498                 if (gpu32 & DVI_Device)
 499                         viafb_dvi_enable();
 500                 if (gpu32 & LCD_Device)
 501                         viafb_lcd_enable();
 502                 break;
 503         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 504                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 505                         return -EFAULT;
 506                 if (gpu32 & CRT_Device)
 507                         via_set_state(VIA_CRT, VIA_STATE_OFF);
 508                 if (gpu32 & DVI_Device)
 509                         viafb_dvi_disable();
 510                 if (gpu32 & LCD_Device)
 511                         viafb_lcd_disable();
 512                 break;
 513         case VIAFB_GET_DEVICE:
 514                 u.active_dev.crt = viafb_CRT_ON;
 515                 u.active_dev.dvi = viafb_DVI_ON;
 516                 u.active_dev.lcd = viafb_LCD_ON;
 517                 u.active_dev.samm = viafb_SAMM_ON;
 518                 u.active_dev.primary_dev = viafb_primary_dev;
 519
 520                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 521                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 522                 u.active_dev.lcd_mode = viafb_lcd_mode;
 523
 524                 u.active_dev.xres = viafb_hotplug_Xres;
 525                 u.active_dev.yres = viafb_hotplug_Yres;
 526
 527                 u.active_dev.xres1 = viafb_second_xres;
 528                 u.active_dev.yres1 = viafb_second_yres;
 529
 530                 u.active_dev.bpp = viafb_bpp;
 531                 u.active_dev.bpp1 = viafb_bpp1;
 532                 u.active_dev.refresh = viafb_refresh;
 533                 u.active_dev.refresh1 = viafb_refresh1;
 534
 535                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 536                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 537                 u.active_dev.bus_width = viafb_bus_width;
 538
 539                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 540                         return -EFAULT;
 541                 break;
 542
 543         case VIAFB_GET_DRIVER_VERSION:
 544                 u.driver_version.iMajorNum = VERSION_MAJOR;
 545                 u.driver_version.iKernelNum = VERSION_KERNEL;
 546                 u.driver_version.iOSNum = VERSION_OS;
 547                 u.driver_version.iMinorNum = VERSION_MINOR;
 548
 549                 if (copy_to_user(argp, &u.driver_version,
 550                         sizeof(u.driver_version)))
 551                         return -EFAULT;
 552
 553                 break;
 554
 555         case VIAFB_GET_DEVICE_INFO:
 556
 557                 retrieve_device_setting(&u.viafb_setting);
 558
 559                 if (copy_to_user(argp, &u.viafb_setting,
 560                                  sizeof(u.viafb_setting)))
 561                         return -EFAULT;
 562
 563                 break;
 564
 565         case VIAFB_GET_DEVICE_SUPPORT:
 566                 viafb_get_device_support_state(&state_info);
 567                 if (put_user(state_info, argp))
 568                         return -EFAULT;
 569                 break;
 570
 571         case VIAFB_GET_DEVICE_CONNECT:
 572                 viafb_get_device_connect_state(&state_info);
 573                 if (put_user(state_info, argp))
 574                         return -EFAULT;
 575                 break;
 576
 577         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 578                 state_info =
 579                     viafb_lcd_get_support_expand_state(info->var.xres,
 580                                                  info->var.yres);
 581                 if (put_user(state_info, argp))
 582                         return -EFAULT;
 583                 break;
 584
 585         case VIAFB_GET_DRIVER_NAME:
 586                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 587                         return -EFAULT;
 588                 break;
 589
 590         case VIAFB_SET_GAMMA_LUT:
 591                 viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
 592                 if (IS_ERR(viafb_gamma_table))
 593                         return PTR_ERR(viafb_gamma_table);
 594                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 595                 kfree(viafb_gamma_table);
 596                 break;
 597
 598         case VIAFB_GET_GAMMA_LUT:
 599                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 600                 if (!viafb_gamma_table)
 601                         return -ENOMEM;
 602                 viafb_get_gamma_table(viafb_gamma_table);
 603                 if (copy_to_user(argp, viafb_gamma_table,
 604                         256 * sizeof(u32))) {
 605                         kfree(viafb_gamma_table);
 606                         return -EFAULT;
 607                 }
 608                 kfree(viafb_gamma_table);
 609                 break;
 610
 611         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 612                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 613                 if (put_user(state_info, argp))
 614                         return -EFAULT;
 615                 break;
 616         case VIAFB_SYNC_SURFACE:
 617                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 618                 break;
 619         case VIAFB_GET_DRIVER_CAPS:
 620                 break;
 621
 622         case VIAFB_GET_PANEL_MAX_SIZE:
 623                 if (copy_from_user(&u.panel_pos_size_para, argp,
 624                                    sizeof(u.panel_pos_size_para)))
 625                         return -EFAULT;
 626                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 627                 if (copy_to_user(argp, &u.panel_pos_size_para,
 628                      sizeof(u.panel_pos_size_para)))
 629                         return -EFAULT;
 630                 break;
 631         case VIAFB_GET_PANEL_MAX_POSITION:
 632                 if (copy_from_user(&u.panel_pos_size_para, argp,
 633                                    sizeof(u.panel_pos_size_para)))
 634                         return -EFAULT;
 635                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 636                 if (copy_to_user(argp, &u.panel_pos_size_para,
 637                                  sizeof(u.panel_pos_size_para)))
 638                         return -EFAULT;
 639                 break;
 640
 641         case VIAFB_GET_PANEL_POSITION:
 642                 if (copy_from_user(&u.panel_pos_size_para, argp,
 643                                    sizeof(u.panel_pos_size_para)))
 644                         return -EFAULT;
 645                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 646                 if (copy_to_user(argp, &u.panel_pos_size_para,
 647                                  sizeof(u.panel_pos_size_para)))
 648                         return -EFAULT;
 649                 break;
 650         case VIAFB_GET_PANEL_SIZE:
 651                 if (copy_from_user(&u.panel_pos_size_para, argp,
 652                                    sizeof(u.panel_pos_size_para)))
 653                         return -EFAULT;
 654                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 655                 if (copy_to_user(argp, &u.panel_pos_size_para,
 656                                  sizeof(u.panel_pos_size_para)))
 657                         return -EFAULT;
 658                 break;
 659
 660         case VIAFB_SET_PANEL_POSITION:
 661                 if (copy_from_user(&u.panel_pos_size_para, argp,
 662                                    sizeof(u.panel_pos_size_para)))
 663                         return -EFAULT;
 664                 break;
 665         case VIAFB_SET_PANEL_SIZE:
 666                 if (copy_from_user(&u.panel_pos_size_para, argp,
 667                                    sizeof(u.panel_pos_size_para)))
 668                         return -EFAULT;
 669                 break;
 670
 671         default:
 672                 return -EINVAL;
 673         }
 674
 675         return 0;
 676 }
 677
 678 static void viafb_fillrect(struct fb_info *info,
 679         const struct fb_fillrect *rect)
 680 {
 681         struct viafb_par *viapar = info->par;
 682         struct viafb_shared *shared = viapar->shared;
 683         u32 fg_color;
 684         u8 rop;
 685
 686         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 687                 cfb_fillrect(info, rect);
 688                 return;
 689         }
 690
 691         if (!rect->width || !rect->height)
 692                 return;
 693
 694         if (info->fix.visual == FB_VISUAL_TRUECOLOR)
 695                 fg_color = ((u32 *)info->pseudo_palette)[rect->color];
 696         else
 697                 fg_color = rect->color;
 698
 699         if (rect->rop == ROP_XOR)
 700                 rop = 0x5A;
 701         else
 702                 rop = 0xF0;
 703
 704         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
 705         if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
 706                 rect->width, rect->height, info->var.bits_per_pixel,
 707                 viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
 708                 NULL, 0, 0, 0, 0, fg_color, 0, rop))
 709                 cfb_fillrect(info, rect);
 710 }
 711
 712 static void viafb_copyarea(struct fb_info *info,
 713         const struct fb_copyarea *area)
 714 {
 715         struct viafb_par *viapar = info->par;
 716         struct viafb_shared *shared = viapar->shared;
 717
 718         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
 719                 cfb_copyarea(info, area);
 720                 return;
 721         }
 722
 723         if (!area->width || !area->height)
 724                 return;
 725
 726         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
 727         if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
 728                 area->width, area->height, info->var.bits_per_pixel,
 729                 viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
 730                 NULL, viapar->vram_addr, info->fix.line_length,
 731                 area->sx, area->sy, 0, 0, 0))
 732                 cfb_copyarea(info, area);
 733 }
 734
 735 static void viafb_imageblit(struct fb_info *info,
 736         const struct fb_image *image)
 737 {
 738         struct viafb_par *viapar = info->par;
 739         struct viafb_shared *shared = viapar->shared;
 740         u32 fg_color = 0, bg_color = 0;
 741         u8 op;
 742
 743         if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
 744                 (image->depth != 1 && image->depth != viapar->depth)) {
 745                 cfb_imageblit(info, image);
 746                 return;
 747         }
 748
 749         if (image->depth == 1) {
 750                 op = VIA_BITBLT_MONO;
 751                 if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
 752                         fg_color =
 753                                 ((u32 *)info->pseudo_palette)[image->fg_color];
 754                         bg_color =
 755                                 ((u32 *)info->pseudo_palette)[image->bg_color];
 756                 } else {
 757                         fg_color = image->fg_color;
 758                         bg_color = image->bg_color;
 759                 }
 760         } else
 761                 op = VIA_BITBLT_COLOR;
 762
 763         DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
 764         if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
 765                 image->width, image->height, info->var.bits_per_pixel,
 766                 viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
 767                 (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
 768                 cfb_imageblit(info, image);
 769 }
 770
 771 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 772 {
 773         struct viafb_par *viapar = info->par;
 774         void __iomem *engine = viapar->shared->vdev->engine_mmio;
 775         u32 temp, xx, yy, bg_color = 0, fg_color = 0,
 776                 chip_name = viapar->shared->chip_info.gfx_chip_name;
 777         int i, j = 0, cur_size = 64;
 778
 779         if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
 780                 return -ENODEV;
 781
 782         /* LCD ouput does not support hw cursors (at least on VN896) */
 783         if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
 784                 viafb_LCD_ON)
 785                 return -ENODEV;
 786
 787         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 788
 789         if (cursor->set & FB_CUR_SETHOT) {
 790                 temp = (cursor->hot.x << 16) + cursor->hot.y;
 791                 writel(temp, engine + VIA_REG_CURSOR_ORG);
 792         }
 793
 794         if (cursor->set & FB_CUR_SETPOS) {
 795                 yy = cursor->image.dy - info->var.yoffset;
 796                 xx = cursor->image.dx - info->var.xoffset;
 797                 temp = yy & 0xFFFF;
 798                 temp |= (xx << 16);
 799                 writel(temp, engine + VIA_REG_CURSOR_POS);
 800         }
 801
 802         if (cursor->image.width <= 32 && cursor->image.height <= 32)
 803                 cur_size = 32;
 804         else if (cursor->image.width <= 64 && cursor->image.height <= 64)
 805                 cur_size = 64;
 806         else {
 807                 printk(KERN_WARNING "viafb_cursor: The cursor is too large "
 808                         "%dx%d", cursor->image.width, cursor->image.height);
 809                 return -ENXIO;
 810         }
 811
 812         if (cursor->set & FB_CUR_SETSIZE) {
 813                 temp = readl(engine + VIA_REG_CURSOR_MODE);
 814                 if (cur_size == 32)
 815                         temp |= 0x2;
 816                 else
 817                         temp &= ~0x2;
 818
 819                 writel(temp, engine + VIA_REG_CURSOR_MODE);
 820         }
 821
 822         if (cursor->set & FB_CUR_SETCMAP) {
 823                 fg_color = cursor->image.fg_color;
 824                 bg_color = cursor->image.bg_color;
 825                 if (chip_name == UNICHROME_CX700 ||
 826                         chip_name == UNICHROME_VX800 ||
 827                         chip_name == UNICHROME_VX855 ||
 828                         chip_name == UNICHROME_VX900) {
 829                         fg_color =
 830                                 ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
 831                                 ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
 832                                 ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
 833                         bg_color =
 834                                 ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
 835                                 ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
 836                                 ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
 837                 } else {
 838                         fg_color =
 839                                 ((info->cmap.red[fg_color] & 0xFF00) << 8) |
 840                                 (info->cmap.green[fg_color] & 0xFF00) |
 841                                 ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
 842                         bg_color =
 843                                 ((info->cmap.red[bg_color] & 0xFF00) << 8) |
 844                                 (info->cmap.green[bg_color] & 0xFF00) |
 845                                 ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
 846                 }
 847
 848                 writel(bg_color, engine + VIA_REG_CURSOR_BG);
 849                 writel(fg_color, engine + VIA_REG_CURSOR_FG);
 850         }
 851
 852         if (cursor->set & FB_CUR_SETSHAPE) {
 853                 struct {
 854                         u8 data[CURSOR_SIZE];
 855                         u32 bak[CURSOR_SIZE / 4];
 856                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
 857                 int size = ((cursor->image.width + 7) >> 3) *
 858                         cursor->image.height;
 859
 860                 if (!cr_data)
 861                         return -ENOMEM;
 862
 863                 if (cur_size == 32) {
 864                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 865                                 cr_data->bak[i] = 0x0;
 866                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
 867                                 i += 1;
 868                         }
 869                 } else {
 870                         for (i = 0; i < (CURSOR_SIZE / 4); i++) {
 871                                 cr_data->bak[i] = 0x0;
 872                                 cr_data->bak[i + 1] = 0x0;
 873                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
 874                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
 875                                 i += 3;
 876                         }
 877                 }
 878
 879                 switch (cursor->rop) {
 880                 case ROP_XOR:
 881                         for (i = 0; i < size; i++)
 882                                 cr_data->data[i] = cursor->mask[i];
 883                         break;
 884                 case ROP_COPY:
 885
 886                         for (i = 0; i < size; i++)
 887                                 cr_data->data[i] = cursor->mask[i];
 888                         break;
 889                 default:
 890                         break;
 891                 }
 892
 893                 if (cur_size == 32) {
 894                         for (i = 0; i < size; i++) {
 895                                 cr_data->bak[j] = (u32) cr_data->data[i];
 896                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
 897                                 j += 2;
 898                         }
 899                 } else {
 900                         for (i = 0; i < size; i++) {
 901                                 cr_data->bak[j] = (u32) cr_data->data[i];
 902                                 cr_data->bak[j + 1] = 0x0;
 903                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
 904                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
 905                                 j += 4;
 906                         }
 907                 }
 908
 909                 memcpy_toio(viafbinfo->screen_base + viapar->shared->
 910                         cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
 911                 kfree(cr_data);
 912         }
 913
 914         if (cursor->enable)
 915                 viafb_show_hw_cursor(info, HW_Cursor_ON);
 916
 917         return 0;
 918 }
 919
 920 static int viafb_sync(struct fb_info *info)
 921 {
 922         if (!(info->flags & FBINFO_HWACCEL_DISABLED))
 923                 viafb_wait_engine_idle(info);
 924         return 0;
 925 }
 926
 927 static int get_primary_device(void)
 928 {
 929         int primary_device = 0;
 930         /* Rule: device on iga1 path are the primary device. */
 931         if (viafb_SAMM_ON) {
 932                 if (viafb_CRT_ON) {
 933                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
 934                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
 935                                         viaparinfo->
 936                                         crt_setting_info->iga_path);
 937                                 primary_device = CRT_Device;
 938                         }
 939                 }
 940                 if (viafb_DVI_ON) {
 941                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
 942                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
 943                                         viaparinfo->
 944                                         tmds_setting_info->iga_path);
 945                                 primary_device = DVI_Device;
 946                         }
 947                 }
 948                 if (viafb_LCD_ON) {
 949                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
 950                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
 951                                         viaparinfo->
 952                                         lvds_setting_info->iga_path);
 953                                 primary_device = LCD_Device;
 954                         }
 955                 }
 956                 if (viafb_LCD2_ON) {
 957                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
 958                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
 959                                         viaparinfo->
 960                                         lvds_setting_info2->iga_path);
 961                                 primary_device = LCD2_Device;
 962                         }
 963                 }
 964         }
 965         return primary_device;
 966 }
 967
 968 static void retrieve_device_setting(struct viafb_ioctl_setting
 969         *setting_info)
 970 {
 971
 972         /* get device status */
 973         if (viafb_CRT_ON == 1)
 974                 setting_info->device_status = CRT_Device;
 975         if (viafb_DVI_ON == 1)
 976                 setting_info->device_status |= DVI_Device;
 977         if (viafb_LCD_ON == 1)
 978                 setting_info->device_status |= LCD_Device;
 979         if (viafb_LCD2_ON == 1)
 980                 setting_info->device_status |= LCD2_Device;
 981
 982         setting_info->samm_status = viafb_SAMM_ON;
 983         setting_info->primary_device = get_primary_device();
 984
 985         setting_info->first_dev_bpp = viafb_bpp;
 986         setting_info->second_dev_bpp = viafb_bpp1;
 987
 988         setting_info->first_dev_refresh = viafb_refresh;
 989         setting_info->second_dev_refresh = viafb_refresh1;
 990
 991         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
 992         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
 993         setting_info->second_dev_hor_res = viafb_second_xres;
 994         setting_info->second_dev_ver_res = viafb_second_yres;
 995
 996         /* Get lcd attributes */
 997         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
 998         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
 999         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
1000 }
1001
1002 static int __init parse_active_dev(void)
1003 {
1004         viafb_CRT_ON = STATE_OFF;
1005         viafb_DVI_ON = STATE_OFF;
1006         viafb_LCD_ON = STATE_OFF;
1007         viafb_LCD2_ON = STATE_OFF;
1008         /* 1. Modify the active status of devices. */
1009         /* 2. Keep the order of devices, so we can set corresponding
1010            IGA path to devices in SAMM case. */
1011         /*    Note: The previous of active_dev is primary device,
1012            and the following is secondary device. */
1013         if (!viafb_active_dev) {
1014                 viafb_CRT_ON = STATE_ON;
1015                 viafb_SAMM_ON = STATE_OFF;
1016         } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
1017                 /* CRT+DVI */
1018                 viafb_CRT_ON = STATE_ON;
1019                 viafb_DVI_ON = STATE_ON;
1020                 viafb_primary_dev = CRT_Device;
1021         } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
1022                 /* DVI+CRT */
1023                 viafb_CRT_ON = STATE_ON;
1024                 viafb_DVI_ON = STATE_ON;
1025                 viafb_primary_dev = DVI_Device;
1026         } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
1027                 /* CRT+LCD */
1028                 viafb_CRT_ON = STATE_ON;
1029                 viafb_LCD_ON = STATE_ON;
1030                 viafb_primary_dev = CRT_Device;
1031         } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
1032                 /* LCD+CRT */
1033                 viafb_CRT_ON = STATE_ON;
1034                 viafb_LCD_ON = STATE_ON;
1035                 viafb_primary_dev = LCD_Device;
1036         } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
1037                 /* DVI+LCD */
1038                 viafb_DVI_ON = STATE_ON;
1039                 viafb_LCD_ON = STATE_ON;
1040                 viafb_primary_dev = DVI_Device;
1041         } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
1042                 /* LCD+DVI */
1043                 viafb_DVI_ON = STATE_ON;
1044                 viafb_LCD_ON = STATE_ON;
1045                 viafb_primary_dev = LCD_Device;
1046         } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
1047                 viafb_LCD_ON = STATE_ON;
1048                 viafb_LCD2_ON = STATE_ON;
1049                 viafb_primary_dev = LCD_Device;
1050         } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
1051                 viafb_LCD_ON = STATE_ON;
1052                 viafb_LCD2_ON = STATE_ON;
1053                 viafb_primary_dev = LCD2_Device;
1054         } else if (!strcmp(viafb_active_dev, "CRT")) {
1055                 /* CRT only */
1056                 viafb_CRT_ON = STATE_ON;
1057                 viafb_SAMM_ON = STATE_OFF;
1058         } else if (!strcmp(viafb_active_dev, "DVI")) {
1059                 /* DVI only */
1060                 viafb_DVI_ON = STATE_ON;
1061                 viafb_SAMM_ON = STATE_OFF;
1062         } else if (!strcmp(viafb_active_dev, "LCD")) {
1063                 /* LCD only */
1064                 viafb_LCD_ON = STATE_ON;
1065                 viafb_SAMM_ON = STATE_OFF;
1066         } else
1067                 return -EINVAL;
1068
1069         return 0;
1070 }
1071
1072 static int __devinit parse_port(char *opt_str, int *output_interface)
1073 {
1074         if (!strncmp(opt_str, "DVP0", 4))
1075                 *output_interface = INTERFACE_DVP0;
1076         else if (!strncmp(opt_str, "DVP1", 4))
1077                 *output_interface = INTERFACE_DVP1;
1078         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
1079                 *output_interface = INTERFACE_DFP;
1080         else if (!strncmp(opt_str, "DFP_HIGH", 8))
1081                 *output_interface = INTERFACE_DFP_HIGH;
1082         else if (!strncmp(opt_str, "DFP_LOW", 7))
1083                 *output_interface = INTERFACE_DFP_LOW;
1084         else
1085                 *output_interface = INTERFACE_NONE;
1086         return 0;
1087 }
1088
1089 static void __devinit parse_lcd_port(void)
1090 {
1091         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
1092                 output_interface);
1093         /*Initialize to avoid unexpected behavior */
1094         viaparinfo->chip_info->lvds_chip_info2.output_interface =
1095         INTERFACE_NONE;
1096
1097         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
1098                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
1099                   output_interface);
1100 }
1101
1102 static void __devinit parse_dvi_port(void)
1103 {
1104         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
1105                 output_interface);
1106
1107         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
1108                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
1109                   output_interface);
1110 }
1111
1112 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1113
1114 /*
1115  * The proc filesystem read/write function, a simple proc implement to
1116  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
1117  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
1118  * CR9B,    SR65,    CR97,    CR99
1119  */
1120 static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
1121 {
1122         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
1123         dvp0_data_dri =
1124             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
1125             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
1126         dvp0_clk_dri =
1127             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
1128             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
1129         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
1130         seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
1131         return 0;
1132 }
1133
1134 static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
1135 {
1136         return single_open(file, viafb_dvp0_proc_show, NULL);
1137 }
1138
1139 static ssize_t viafb_dvp0_proc_write(struct file *file,
1140         const char __user *buffer, size_t count, loff_t *pos)
1141 {
1142         char buf[20], *value, *pbuf;
1143         u8 reg_val = 0;
1144         unsigned long length, i;
1145         if (count < 1)
1146                 return -EINVAL;
1147         length = count > 20 ? 20 : count;
1148         if (copy_from_user(&buf[0], buffer, length))
1149                 return -EFAULT;
1150         buf[length - 1] = '\0'; /*Ensure end string */
1151         pbuf = &buf[0];
1152         for (i = 0; i < 3; i++) {
1153                 value = strsep(&pbuf, " ");
1154                 if (value != NULL) {
1155                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1156                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
1157                                   reg_val);
1158                         switch (i) {
1159                         case 0:
1160                                 viafb_write_reg_mask(CR96, VIACR,
1161                                         reg_val, 0x0f);
1162                                 break;
1163                         case 1:
1164                                 viafb_write_reg_mask(SR2A, VIASR,
1165                                         reg_val << 4, BIT5);
1166                                 viafb_write_reg_mask(SR1B, VIASR,
1167                                         reg_val << 1, BIT1);
1168                                 break;
1169                         case 2:
1170                                 viafb_write_reg_mask(SR2A, VIASR,
1171                                         reg_val << 3, BIT4);
1172                                 viafb_write_reg_mask(SR1E, VIASR,
1173                                         reg_val << 2, BIT2);
1174                                 break;
1175                         default:
1176                                 break;
1177                         }
1178                 } else {
1179                         break;
1180                 }
1181         }
1182         return count;
1183 }
1184
1185 static const struct file_operations viafb_dvp0_proc_fops = {
1186         .owner          = THIS_MODULE,
1187         .open           = viafb_dvp0_proc_open,
1188         .read           = seq_read,
1189         .llseek         = seq_lseek,
1190         .release        = single_release,
1191         .write          = viafb_dvp0_proc_write,
1192 };
1193
1194 static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
1195 {
1196         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
1197         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
1198         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
1199         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
1200         seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
1201         return 0;
1202 }
1203
1204 static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
1205 {
1206         return single_open(file, viafb_dvp1_proc_show, NULL);
1207 }
1208
1209 static ssize_t viafb_dvp1_proc_write(struct file *file,
1210         const char __user *buffer, size_t count, loff_t *pos)
1211 {
1212         char buf[20], *value, *pbuf;
1213         u8 reg_val = 0;
1214         unsigned long length, i;
1215         if (count < 1)
1216                 return -EINVAL;
1217         length = count > 20 ? 20 : count;
1218         if (copy_from_user(&buf[0], buffer, length))
1219                 return -EFAULT;
1220         buf[length - 1] = '\0'; /*Ensure end string */
1221         pbuf = &buf[0];
1222         for (i = 0; i < 3; i++) {
1223                 value = strsep(&pbuf, " ");
1224                 if (value != NULL) {
1225                         strict_strtoul(value, 0, (unsigned long *)&reg_val);
1226                         switch (i) {
1227                         case 0:
1228                                 viafb_write_reg_mask(CR9B, VIACR,
1229                                         reg_val, 0x0f);
1230                                 break;
1231                         case 1:
1232                                 viafb_write_reg_mask(SR65, VIASR,
1233                                         reg_val << 2, 0x0c);
1234                                 break;
1235                         case 2:
1236                                 viafb_write_reg_mask(SR65, VIASR,
1237                                         reg_val, 0x03);
1238                                 break;
1239                         default:
1240                                 break;
1241                         }
1242                 } else {
1243                         break;
1244                 }
1245         }
1246         return count;
1247 }
1248
1249 static const struct file_operations viafb_dvp1_proc_fops = {
1250         .owner          = THIS_MODULE,
1251         .open           = viafb_dvp1_proc_open,
1252         .read           = seq_read,
1253         .llseek         = seq_lseek,
1254         .release        = single_release,
1255         .write          = viafb_dvp1_proc_write,
1256 };
1257
1258 static int viafb_dfph_proc_show(struct seq_file *m, void *v)
1259 {
1260         u8 dfp_high = 0;
1261         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
1262         seq_printf(m, "%x\n", dfp_high);
1263         return 0;
1264 }
1265
1266 static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
1267 {
1268         return single_open(file, viafb_dfph_proc_show, NULL);
1269 }
1270
1271 static ssize_t viafb_dfph_proc_write(struct file *file,
1272         const char __user *buffer, size_t count, loff_t *pos)
1273 {
1274         char buf[20];
1275         u8 reg_val = 0;
1276         unsigned long length;
1277         if (count < 1)
1278                 return -EINVAL;
1279         length = count > 20 ? 20 : count;
1280         if (copy_from_user(&buf[0], buffer, length))
1281                 return -EFAULT;
1282         buf[length - 1] = '\0'; /*Ensure end string */
1283         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1284         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
1285         return count;
1286 }
1287
1288 static const struct file_operations viafb_dfph_proc_fops = {
1289         .owner          = THIS_MODULE,
1290         .open           = viafb_dfph_proc_open,
1291         .read           = seq_read,
1292         .llseek         = seq_lseek,
1293         .release        = single_release,
1294         .write          = viafb_dfph_proc_write,
1295 };
1296
1297 static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
1298 {
1299         u8 dfp_low = 0;
1300         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
1301         seq_printf(m, "%x\n", dfp_low);
1302         return 0;
1303 }
1304
1305 static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
1306 {
1307         return single_open(file, viafb_dfpl_proc_show, NULL);
1308 }
1309
1310 static ssize_t viafb_dfpl_proc_write(struct file *file,
1311         const char __user *buffer, size_t count, loff_t *pos)
1312 {
1313         char buf[20];
1314         u8 reg_val = 0;
1315         unsigned long length;
1316         if (count < 1)
1317                 return -EINVAL;
1318         length = count > 20 ? 20 : count;
1319         if (copy_from_user(&buf[0], buffer, length))
1320                 return -EFAULT;
1321         buf[length - 1] = '\0'; /*Ensure end string */
1322         strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
1323         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
1324         return count;
1325 }
1326
1327 static const struct file_operations viafb_dfpl_proc_fops = {
1328         .owner          = THIS_MODULE,
1329         .open           = viafb_dfpl_proc_open,
1330         .read           = seq_read,
1331         .llseek         = seq_lseek,
1332         .release        = single_release,
1333         .write          = viafb_dfpl_proc_write,
1334 };
1335
1336 static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
1337 {
1338         u8 vt1636_08 = 0, vt1636_09 = 0;
1339         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1340         case VT1636_LVDS:
1341                 vt1636_08 =
1342                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1343                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
1344                 vt1636_09 =
1345                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
1346                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
1347                 seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
1348                 break;
1349         default:
1350                 break;
1351         }
1352         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1353         case VT1636_LVDS:
1354                 vt1636_08 =
1355                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1356                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
1357                 vt1636_09 =
1358                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
1359                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
1360                 seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
1361                 break;
1362         default:
1363                 break;
1364         }
1365         return 0;
1366 }
1367
1368 static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
1369 {
1370         return single_open(file, viafb_vt1636_proc_show, NULL);
1371 }
1372
1373 static ssize_t viafb_vt1636_proc_write(struct file *file,
1374         const char __user *buffer, size_t count, loff_t *pos)
1375 {
1376         char buf[30], *value, *pbuf;
1377         struct IODATA reg_val;
1378         unsigned long length, i;
1379         if (count < 1)
1380                 return -EINVAL;
1381         length = count > 30 ? 30 : count;
1382         if (copy_from_user(&buf[0], buffer, length))
1383                 return -EFAULT;
1384         buf[length - 1] = '\0'; /*Ensure end string */
1385         pbuf = &buf[0];
1386         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
1387         case VT1636_LVDS:
1388                 for (i = 0; i < 2; i++) {
1389                         value = strsep(&pbuf, " ");
1390                         if (value != NULL) {
1391                                 strict_strtoul(value, 0,
1392                                         (unsigned long *)&reg_val.Data);
1393                                 switch (i) {
1394                                 case 0:
1395                                         reg_val.Index = 0x08;
1396                                         reg_val.Mask = 0x0f;
1397                                         viafb_gpio_i2c_write_mask_lvds
1398                                             (viaparinfo->lvds_setting_info,
1399                                             &viaparinfo->
1400                                             chip_info->lvds_chip_info,
1401                                              reg_val);
1402                                         break;
1403                                 case 1:
1404                                         reg_val.Index = 0x09;
1405                                         reg_val.Mask = 0x1f;
1406                                         viafb_gpio_i2c_write_mask_lvds
1407                                             (viaparinfo->lvds_setting_info,
1408                                             &viaparinfo->
1409                                             chip_info->lvds_chip_info,
1410                                              reg_val);
1411                                         break;
1412                                 default:
1413                                         break;
1414                                 }
1415                         } else {
1416                                 break;
1417                         }
1418                 }
1419                 break;
1420         default:
1421                 break;
1422         }
1423         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
1424         case VT1636_LVDS:
1425                 for (i = 0; i < 2; i++) {
1426                         value = strsep(&pbuf, " ");
1427                         if (value != NULL) {
1428                                 strict_strtoul(value, 0,
1429                                         (unsigned long *)&reg_val.Data);
1430                                 switch (i) {
1431                                 case 0:
1432                                         reg_val.Index = 0x08;
1433                                         reg_val.Mask = 0x0f;
1434                                         viafb_gpio_i2c_write_mask_lvds
1435                                             (viaparinfo->lvds_setting_info2,
1436                                             &viaparinfo->
1437                                             chip_info->lvds_chip_info2,
1438                                              reg_val);
1439                                         break;
1440                                 case 1:
1441                                         reg_val.Index = 0x09;
1442                                         reg_val.Mask = 0x1f;
1443                                         viafb_gpio_i2c_write_mask_lvds
1444                                             (viaparinfo->lvds_setting_info2,
1445                                             &viaparinfo->
1446                                             chip_info->lvds_chip_info2,
1447                                              reg_val);
1448                                         break;
1449                                 default:
1450                                         break;
1451                                 }
1452                         } else {
1453                                 break;
1454                         }
1455                 }
1456                 break;
1457         default:
1458                 break;
1459         }
1460         return count;
1461 }
1462
1463 static const struct file_operations viafb_vt1636_proc_fops = {
1464         .owner          = THIS_MODULE,
1465         .open           = viafb_vt1636_proc_open,
1466         .read           = seq_read,
1467         .llseek         = seq_lseek,
1468         .release        = single_release,
1469         .write          = viafb_vt1636_proc_write,
1470 };
1471
1472 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1473
1474 static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
1475 {
1476         via_odev_to_seq(m, supported_odev_map[
1477                 viaparinfo->shared->chip_info.gfx_chip_name]);
1478         return 0;
1479 }
1480
1481 static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
1482 {
1483         return single_open(file, viafb_sup_odev_proc_show, NULL);
1484 }
1485
1486 static const struct file_operations viafb_sup_odev_proc_fops = {
1487         .owner          = THIS_MODULE,
1488         .open           = viafb_sup_odev_proc_open,
1489         .read           = seq_read,
1490         .llseek         = seq_lseek,
1491         .release        = single_release,
1492 };
1493
1494 static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
1495 {
1496         char buf[64], *ptr = buf;
1497         u32 devices;
1498         bool add, sub;
1499
1500         if (count < 1 || count > 63)
1501                 return -EINVAL;
1502         if (copy_from_user(&buf[0], buffer, count))
1503                 return -EFAULT;
1504         buf[count] = '\0';
1505         add = buf[0] == '+';
1506         sub = buf[0] == '-';
1507         if (add || sub)
1508                 ptr++;
1509         devices = via_parse_odev(ptr, &ptr);
1510         if (*ptr == '\n')
1511                 ptr++;
1512         if (*ptr != 0)
1513                 return -EINVAL;
1514         if (add)
1515                 *odev |= devices;
1516         else if (sub)
1517                 *odev &= ~devices;
1518         else
1519                 *odev = devices;
1520         return count;
1521 }
1522
1523 static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
1524 {
1525         via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
1526         return 0;
1527 }
1528
1529 static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
1530 {
1531         return single_open(file, viafb_iga1_odev_proc_show, NULL);
1532 }
1533
1534 static ssize_t viafb_iga1_odev_proc_write(struct file *file,
1535         const char __user *buffer, size_t count, loff_t *pos)
1536 {
1537         u32 dev_on, dev_off, dev_old, dev_new;
1538         ssize_t res;
1539
1540         dev_old = dev_new = viaparinfo->shared->iga1_devices;
1541         res = odev_update(buffer, count, &dev_new);
1542         if (res != count)
1543                 return res;
1544         dev_off = dev_old & ~dev_new;
1545         dev_on = dev_new & ~dev_old;
1546         viaparinfo->shared->iga1_devices = dev_new;
1547         viaparinfo->shared->iga2_devices &= ~dev_new;
1548         via_set_state(dev_off, VIA_STATE_OFF);
1549         via_set_source(dev_new, IGA1);
1550         via_set_state(dev_on, VIA_STATE_ON);
1551         return res;
1552 }
1553
1554 static const struct file_operations viafb_iga1_odev_proc_fops = {
1555         .owner          = THIS_MODULE,
1556         .open           = viafb_iga1_odev_proc_open,
1557         .read           = seq_read,
1558         .llseek         = seq_lseek,
1559         .release        = single_release,
1560         .write          = viafb_iga1_odev_proc_write,
1561 };
1562
1563 static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
1564 {
1565         via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
1566         return 0;
1567 }
1568
1569 static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
1570 {
1571         return single_open(file, viafb_iga2_odev_proc_show, NULL);
1572 }
1573
1574 static ssize_t viafb_iga2_odev_proc_write(struct file *file,
1575         const char __user *buffer, size_t count, loff_t *pos)
1576 {
1577         u32 dev_on, dev_off, dev_old, dev_new;
1578         ssize_t res;
1579
1580         dev_old = dev_new = viaparinfo->shared->iga2_devices;
1581         res = odev_update(buffer, count, &dev_new);
1582         if (res != count)
1583                 return res;
1584         dev_off = dev_old & ~dev_new;
1585         dev_on = dev_new & ~dev_old;
1586         viaparinfo->shared->iga2_devices = dev_new;
1587         viaparinfo->shared->iga1_devices &= ~dev_new;
1588         via_set_state(dev_off, VIA_STATE_OFF);
1589         via_set_source(dev_new, IGA2);
1590         via_set_state(dev_on, VIA_STATE_ON);
1591         return res;
1592 }
1593
1594 static const struct file_operations viafb_iga2_odev_proc_fops = {
1595         .owner          = THIS_MODULE,
1596         .open           = viafb_iga2_odev_proc_open,
1597         .read           = seq_read,
1598         .llseek         = seq_lseek,
1599         .release        = single_release,
1600         .write          = viafb_iga2_odev_proc_write,
1601 };
1602
1603 #define IS_VT1636(lvds_chip)    ((lvds_chip).lvds_chip_name == VT1636_LVDS)
1604 static void viafb_init_proc(struct viafb_shared *shared)
1605 {
1606         struct proc_dir_entry *iga1_entry, *iga2_entry,
1607                 *viafb_entry = proc_mkdir("viafb", NULL);
1608
1609         shared->proc_entry = viafb_entry;
1610         if (viafb_entry) {
1611 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1612                 proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
1613                 proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
1614                 proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
1615                 proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
1616                 if (IS_VT1636(shared->chip_info.lvds_chip_info)
1617                         || IS_VT1636(shared->chip_info.lvds_chip_info2))
1618                         proc_create("vt1636", 0, viafb_entry,
1619                                 &viafb_vt1636_proc_fops);
1620 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1621
1622                 proc_create("supported_output_devices", 0, viafb_entry,
1623                         &viafb_sup_odev_proc_fops);
1624                 iga1_entry = proc_mkdir("iga1", viafb_entry);
1625                 shared->iga1_proc_entry = iga1_entry;
1626                 proc_create("output_devices", 0, iga1_entry,
1627                         &viafb_iga1_odev_proc_fops);
1628                 iga2_entry = proc_mkdir("iga2", viafb_entry);
1629                 shared->iga2_proc_entry = iga2_entry;
1630                 proc_create("output_devices", 0, iga2_entry,
1631                         &viafb_iga2_odev_proc_fops);
1632         }
1633 }
1634 static void viafb_remove_proc(struct viafb_shared *shared)
1635 {
1636         struct proc_dir_entry *viafb_entry = shared->proc_entry,
1637                 *iga1_entry = shared->iga1_proc_entry,
1638                 *iga2_entry = shared->iga2_proc_entry;
1639
1640         if (!viafb_entry)
1641                 return;
1642
1643         remove_proc_entry("output_devices", iga2_entry);
1644         remove_proc_entry("iga2", viafb_entry);
1645         remove_proc_entry("output_devices", iga1_entry);
1646         remove_proc_entry("iga1", viafb_entry);
1647         remove_proc_entry("supported_output_devices", viafb_entry);
1648
1649 #ifdef CONFIG_FB_VIA_DIRECT_PROCFS
1650         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
1651         remove_proc_entry("dvp1", viafb_entry);
1652         remove_proc_entry("dfph", viafb_entry);
1653         remove_proc_entry("dfpl", viafb_entry);
1654         if (IS_VT1636(shared->chip_info.lvds_chip_info)
1655                 || IS_VT1636(shared->chip_info.lvds_chip_info2))
1656                 remove_proc_entry("vt1636", viafb_entry);
1657 #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
1658
1659         remove_proc_entry("viafb", NULL);
1660 }
1661 #undef IS_VT1636
1662
1663 static int parse_mode(const char *str, u32 *xres, u32 *yres)
1664 {
1665         char *ptr;
1666
1667         if (!str) {
1668                 *xres = 640;
1669                 *yres = 480;
1670                 return 0;
1671         }
1672
1673         *xres = simple_strtoul(str, &ptr, 10);
1674         if (ptr[0] != 'x')
1675                 return -EINVAL;
1676
1677         *yres = simple_strtoul(&ptr[1], &ptr, 10);
1678         if (ptr[0])
1679                 return -EINVAL;
1680
1681         return 0;
1682 }
1683
1684
1685 #ifdef CONFIG_PM
1686 static int viafb_suspend(void *unused)
1687 {
1688         console_lock();
1689         fb_set_suspend(viafbinfo, 1);
1690         viafb_sync(viafbinfo);
1691         console_unlock();
1692
1693         return 0;
1694 }
1695
1696 static int viafb_resume(void *unused)
1697 {
1698         console_lock();
1699         if (viaparinfo->shared->vdev->engine_mmio)
1700                 viafb_reset_engine(viaparinfo);
1701         viafb_set_par(viafbinfo);
1702         if (viafb_dual_fb)
1703                 viafb_set_par(viafbinfo1);
1704         fb_set_suspend(viafbinfo, 0);
1705
1706         console_unlock();
1707         return 0;
1708 }
1709
1710 static struct viafb_pm_hooks viafb_fb_pm_hooks = {
1711         .suspend = viafb_suspend,
1712         .resume = viafb_resume
1713 };
1714
1715 #endif
1716
1717
1718 int __devinit via_fb_pci_probe(struct viafb_dev *vdev)
1719 {
1720         u32 default_xres, default_yres;
1721         struct VideoModeTable *vmode_entry;
1722         struct fb_var_screeninfo default_var;
1723         int rc;
1724         u32 viafb_par_length;
1725
1726         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
1727         memset(&default_var, 0, sizeof(default_var));
1728         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
1729
1730         /* Allocate fb_info and ***_par here, also including some other needed
1731          * variables
1732         */
1733         viafbinfo = framebuffer_alloc(viafb_par_length +
1734                 ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
1735                 &vdev->pdev->dev);
1736         if (!viafbinfo) {
1737                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
1738                 return -ENOMEM;
1739         }
1740
1741         viaparinfo = (struct viafb_par *)viafbinfo->par;
1742         viaparinfo->shared = viafbinfo->par + viafb_par_length;
1743         viaparinfo->shared->vdev = vdev;
1744         viaparinfo->vram_addr = 0;
1745         viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
1746         viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
1747         viaparinfo->lvds_setting_info2 =
1748                 &viaparinfo->shared->lvds_setting_info2;
1749         viaparinfo->crt_setting_info = &viaparinfo->shared->crt_setting_info;
1750         viaparinfo->chip_info = &viaparinfo->shared->chip_info;
1751
1752         if (viafb_dual_fb)
1753                 viafb_SAMM_ON = 1;
1754         parse_lcd_port();
1755         parse_dvi_port();
1756
1757         viafb_init_chip_info(vdev->chip_type);
1758         /*
1759          * The framebuffer will have been successfully mapped by
1760          * the core (or we'd not be here), but we still need to
1761          * set up our own accounting.
1762          */
1763         viaparinfo->fbmem = vdev->fbmem_start;
1764         viaparinfo->memsize = vdev->fbmem_len;
1765         viaparinfo->fbmem_free = viaparinfo->memsize;
1766         viaparinfo->fbmem_used = 0;
1767         viafbinfo->screen_base = vdev->fbmem;
1768
1769         viafbinfo->fix.mmio_start = vdev->engine_start;
1770         viafbinfo->fix.mmio_len = vdev->engine_len;
1771         viafbinfo->node = 0;
1772         viafbinfo->fbops = &viafb_ops;
1773         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1774
1775         viafbinfo->pseudo_palette = pseudo_pal;
1776         if (viafb_accel && !viafb_setup_engine(viafbinfo)) {
1777                 viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
1778                         FBINFO_HWACCEL_FILLRECT |  FBINFO_HWACCEL_IMAGEBLIT;
1779                 default_var.accel_flags = FB_ACCELF_TEXT;
1780         } else {
1781                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
1782                 default_var.accel_flags = 0;
1783         }
1784
1785         if (viafb_second_size && (viafb_second_size < 8)) {
1786                 viafb_second_offset = viaparinfo->fbmem_free -
1787                         viafb_second_size * 1024 * 1024;
1788         } else {
1789                 viafb_second_size = 8;
1790                 viafb_second_offset = viaparinfo->fbmem_free -
1791                         viafb_second_size * 1024 * 1024;
1792         }
1793
1794         parse_mode(viafb_mode, &default_xres, &default_yres);
1795         vmode_entry = viafb_get_mode(default_xres, default_yres);
1796         if (viafb_SAMM_ON == 1) {
1797                 parse_mode(viafb_mode1, &viafb_second_xres,
1798                         &viafb_second_yres);
1799
1800                 viafb_second_virtual_xres = viafb_second_xres;
1801                 viafb_second_virtual_yres = viafb_second_yres;
1802         }
1803
1804         default_var.xres = default_xres;
1805         default_var.yres = default_yres;
1806         default_var.xres_virtual = default_xres;
1807         default_var.yres_virtual = default_yres;
1808         default_var.bits_per_pixel = viafb_bpp;
1809         viafb_fill_var_timing_info(&default_var, viafb_get_refresh(
1810                 default_var.xres, default_var.yres, viafb_refresh),
1811                 viafb_get_mode(default_var.xres, default_var.yres));
1812         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
1813         viafbinfo->var = default_var;
1814
1815         if (viafb_dual_fb) {
1816                 viafbinfo1 = framebuffer_alloc(viafb_par_length,
1817                                 &vdev->pdev->dev);
1818                 if (!viafbinfo1) {
1819                         printk(KERN_ERR
1820                         "allocate the second framebuffer struct error\n");
1821                         rc = -ENOMEM;
1822                         goto out_fb_release;
1823                 }
1824                 viaparinfo1 = viafbinfo1->par;
1825                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
1826                 viaparinfo1->vram_addr = viafb_second_offset;
1827                 viaparinfo1->memsize = viaparinfo->memsize -
1828                         viafb_second_offset;
1829                 viaparinfo->memsize = viafb_second_offset;
1830                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
1831
1832                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
1833                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
1834                         viaparinfo1->fbmem_used;
1835                 viaparinfo->fbmem_free = viaparinfo->memsize;
1836                 viaparinfo->fbmem_used = 0;
1837
1838                 viaparinfo->iga_path = IGA1;
1839                 viaparinfo1->iga_path = IGA2;
1840                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
1841                 viafbinfo1->par = viaparinfo1;
1842                 viafbinfo1->screen_base = viafbinfo->screen_base +
1843                         viafb_second_offset;
1844
1845                 default_var.xres = viafb_second_xres;
1846                 default_var.yres = viafb_second_yres;
1847                 default_var.xres_virtual = viafb_second_virtual_xres;
1848                 default_var.yres_virtual = viafb_second_virtual_yres;
1849                 default_var.bits_per_pixel = viafb_bpp1;
1850                 viafb_fill_var_timing_info(&default_var, viafb_get_refresh(
1851                         default_var.xres, default_var.yres, viafb_refresh1),
1852                         viafb_get_mode(default_var.xres, default_var.yres));
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_x, dummy_y;
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_x, &dummy_y)
2015                 || !viafb_get_mode(dummy_x, dummy_y)
2016                 || parse_mode(viafb_mode1, &dummy_x, &dummy_y)
2017                 || !viafb_get_mode(dummy_x, dummy_y)
2018                 || viafb_bpp < 0 || viafb_bpp > 32
2019                 || viafb_bpp1 < 0 || viafb_bpp1 > 32
2020                 || parse_active_dev())
2021                 return -EINVAL;
2022
2023         printk(KERN_INFO
2024        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
2025                VERSION_MAJOR, VERSION_MINOR);
2026         return 0;
2027 }
2028
2029 void __exit viafb_exit(void)
2030 {
2031         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
2032 }
2033
2034 static struct fb_ops viafb_ops = {
2035         .owner = THIS_MODULE,
2036         .fb_open = viafb_open,
2037         .fb_release = viafb_release,
2038         .fb_check_var = viafb_check_var,
2039         .fb_set_par = viafb_set_par,
2040         .fb_setcolreg = viafb_setcolreg,
2041         .fb_pan_display = viafb_pan_display,
2042         .fb_blank = viafb_blank,
2043         .fb_fillrect = viafb_fillrect,
2044         .fb_copyarea = viafb_copyarea,
2045         .fb_imageblit = viafb_imageblit,
2046         .fb_cursor = viafb_cursor,
2047         .fb_ioctl = viafb_ioctl,
2048         .fb_sync = viafb_sync,
2049 };
2050
2051
2052 #ifdef MODULE
2053 module_param(viafb_mode, charp, S_IRUSR);
2054 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
2055
2056 module_param(viafb_mode1, charp, S_IRUSR);
2057 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
2058
2059 module_param(viafb_bpp, int, S_IRUSR);
2060 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
2061
2062 module_param(viafb_bpp1, int, S_IRUSR);
2063 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
2064
2065 module_param(viafb_refresh, int, S_IRUSR);
2066 MODULE_PARM_DESC(viafb_refresh,
2067         "Set CRT viafb_refresh rate (default = 60)");
2068
2069 module_param(viafb_refresh1, int, S_IRUSR);
2070 MODULE_PARM_DESC(viafb_refresh1,
2071         "Set CRT refresh rate (default = 60)");
2072
2073 module_param(viafb_lcd_panel_id, int, S_IRUSR);
2074 MODULE_PARM_DESC(viafb_lcd_panel_id,
2075         "Set Flat Panel type(Default=1024x768)");
2076
2077 module_param(viafb_lcd_dsp_method, int, S_IRUSR);
2078 MODULE_PARM_DESC(viafb_lcd_dsp_method,
2079         "Set Flat Panel display scaling method.(Default=Expandsion)");
2080
2081 module_param(viafb_SAMM_ON, int, S_IRUSR);
2082 MODULE_PARM_DESC(viafb_SAMM_ON,
2083         "Turn on/off flag of SAMM(Default=OFF)");
2084
2085 module_param(viafb_accel, int, S_IRUSR);
2086 MODULE_PARM_DESC(viafb_accel,
2087         "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
2088
2089 module_param(viafb_active_dev, charp, S_IRUSR);
2090 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
2091
2092 module_param(viafb_display_hardware_layout, int, S_IRUSR);
2093 MODULE_PARM_DESC(viafb_display_hardware_layout,
2094         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
2095
2096 module_param(viafb_second_size, int, S_IRUSR);
2097 MODULE_PARM_DESC(viafb_second_size,
2098         "Set secondary device memory size");
2099
2100 module_param(viafb_dual_fb, int, S_IRUSR);
2101 MODULE_PARM_DESC(viafb_dual_fb,
2102         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
2103
2104 module_param(viafb_platform_epia_dvi, int, S_IRUSR);
2105 MODULE_PARM_DESC(viafb_platform_epia_dvi,
2106         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
2107
2108 module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
2109 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
2110         "Turn on/off flag of dual edge panel.(Default = OFF)");
2111
2112 module_param(viafb_bus_width, int, S_IRUSR);
2113 MODULE_PARM_DESC(viafb_bus_width,
2114         "Set bus width of panel.(Default = 12)");
2115
2116 module_param(viafb_lcd_mode, int, S_IRUSR);
2117 MODULE_PARM_DESC(viafb_lcd_mode,
2118         "Set Flat Panel mode(Default=OPENLDI)");
2119
2120 module_param(viafb_lcd_port, charp, S_IRUSR);
2121 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
2122
2123 module_param(viafb_dvi_port, charp, S_IRUSR);
2124 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
2125
2126 MODULE_LICENSE("GPL");
2127 #endif