2  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
 
   3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
 
   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.
 
  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
 
  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
 
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
  22 #include <linux/module.h>
 
  27 static int MAX_CURS = 32;
 
  28 static struct fb_var_screeninfo default_var;
 
  29 static char *viafb_name = "Via";
 
  30 static u32 pseudo_pal[17];
 
  33 static char *viafb_mode = "640x480";
 
  34 static char *viafb_mode1 = "640x480";
 
  35 static int viafb_resMode = VIA_RES_640X480;
 
  37 /* Added for specifying active devices.*/
 
  38 char *viafb_active_dev = "";
 
  40 /* Added for specifying video on devices.*/
 
  41 char *viafb_video_dev = "";
 
  43 /*Added for specify lcd output port*/
 
  44 char *viafb_lcd_port = "";
 
  45 char *viafb_dvi_port = "";
 
  47 static void viafb_set_device(struct device_t active_dev);
 
  48 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
 
  49                          struct fb_info *info);
 
  50 static void apply_second_mode_setting(struct fb_var_screeninfo
 
  52 static void retrieve_device_setting(struct viafb_ioctl_setting
 
  54 static void viafb_set_video_device(u32 video_dev_info);
 
  55 static void viafb_get_video_device(u32 *video_dev_info);
 
  57 /* Mode information */
 
  58 static const struct viafb_modeinfo viafb_modentry[] = {
 
  59         {480, 640, VIA_RES_480X640, "480x640"},
 
  60         {640, 480, VIA_RES_640X480, "640x480"},
 
  61         {800, 480, VIA_RES_800X480, "800x480"},
 
  62         {800, 600, VIA_RES_800X600, "800x600"},
 
  63         {1024, 768, VIA_RES_1024X768, "1024x768"},
 
  64         {1152, 864, VIA_RES_1152X864, "1152x864"},
 
  65         {1280, 1024, VIA_RES_1280X1024, "1280x1024"},
 
  66         {1600, 1200, VIA_RES_1600X1200, "1600x1200"},
 
  67         {1440, 1050, VIA_RES_1440X1050, "1440x1050"},
 
  68         {1280, 768, VIA_RES_1280X768, "1280x768"},
 
  69         {1280, 800, VIA_RES_1280X800, "1280x800"},
 
  70         {1280, 960, VIA_RES_1280X960, "1280x960"},
 
  71         {1920, 1440, VIA_RES_1920X1440, "1920x1440"},
 
  72         {848, 480, VIA_RES_848X480, "848x480"},
 
  73         {1400, 1050, VIA_RES_1400X1050, "1400x1050"},
 
  74         {720, 480, VIA_RES_720X480, "720x480"},
 
  75         {720, 576, VIA_RES_720X576, "720x576"},
 
  76         {1024, 512, VIA_RES_1024X512, "1024x512"},
 
  77         {1024, 576, VIA_RES_1024X576, "1024x576"},
 
  78         {1024, 600, VIA_RES_1024X600, "1024x600"},
 
  79         {1280, 720, VIA_RES_1280X720, "1280x720"},
 
  80         {1920, 1080, VIA_RES_1920X1080, "1920x1080"},
 
  81         {1366, 768, VIA_RES_1368X768, "1368x768"},
 
  82         {1680, 1050, VIA_RES_1680X1050, "1680x1050"},
 
  83         {960, 600, VIA_RES_960X600, "960x600"},
 
  84         {1000, 600, VIA_RES_1000X600, "1000x600"},
 
  85         {1024, 576, VIA_RES_1024X576, "1024x576"},
 
  86         {1024, 600, VIA_RES_1024X600, "1024x600"},
 
  87         {1088, 612, VIA_RES_1088X612, "1088x612"},
 
  88         {1152, 720, VIA_RES_1152X720, "1152x720"},
 
  89         {1200, 720, VIA_RES_1200X720, "1200x720"},
 
  90         {1280, 600, VIA_RES_1280X600, "1280x600"},
 
  91         {1360, 768, VIA_RES_1360X768, "1360x768"},
 
  92         {1440, 900, VIA_RES_1440X900, "1440x900"},
 
  93         {1600, 900, VIA_RES_1600X900, "1600x900"},
 
  94         {1600, 1024, VIA_RES_1600X1024, "1600x1024"},
 
  95         {1792, 1344, VIA_RES_1792X1344, "1792x1344"},
 
  96         {1856, 1392, VIA_RES_1856X1392, "1856x1392"},
 
  97         {1920, 1200, VIA_RES_1920X1200, "1920x1200"},
 
  98         {2048, 1536, VIA_RES_2048X1536, "2048x1536"},
 
  99         {0, 0, VIA_RES_INVALID, "640x480"}
 
 102 static struct fb_ops viafb_ops;
 
 104 static int viafb_update_fix(struct fb_fix_screeninfo *fix, struct fb_info *info)
 
 106         struct viafb_par *ppar;
 
 109         DEBUG_MSG(KERN_INFO "viafb_update_fix!\n");
 
 112             ppar->bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
 
 113         fix->line_length = ppar->linelength;
 
 119 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
 
 120         struct viafb_par *viaparinfo)
 
 122         memset(fix, 0, sizeof(struct fb_fix_screeninfo));
 
 123         strcpy(fix->id, viafb_name);
 
 125         fix->smem_start = viaparinfo->fbmem;
 
 126         fix->smem_len = viaparinfo->fbmem_free;
 
 127         fix->mmio_start = viaparinfo->mmio_base;
 
 128         fix->mmio_len = viaparinfo->mmio_len;
 
 130         fix->type = FB_TYPE_PACKED_PIXELS;
 
 133         fix->xpanstep = fix->ywrapstep = 0;
 
 136         /* Just tell the accel name */
 
 137         viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
 
 139 static int viafb_open(struct fb_info *info, int user)
 
 141         DEBUG_MSG(KERN_INFO "viafb_open!\n");
 
 145 static int viafb_release(struct fb_info *info, int user)
 
 147         DEBUG_MSG(KERN_INFO "viafb_release!\n");
 
 151 static void viafb_update_viafb_par(struct fb_info *info)
 
 153         struct viafb_par *ppar;
 
 156         ppar->bpp = info->var.bits_per_pixel;
 
 157         ppar->linelength = ((info->var.xres_virtual + 7) & ~7) * ppar->bpp / 8;
 
 158         ppar->hres = info->var.xres;
 
 159         ppar->vres = info->var.yres;
 
 160         ppar->xoffset = info->var.xoffset;
 
 161         ppar->yoffset = info->var.yoffset;
 
 164 static int viafb_check_var(struct fb_var_screeninfo *var,
 
 165         struct fb_info *info)
 
 167         int vmode_index, htotal, vtotal;
 
 168         struct viafb_par *ppar;
 
 170         struct viafb_par *p_viafb_par;
 
 174         DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 
 176         /* HW neither support interlacte nor double-scaned mode */
 
 177         if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 
 180         vmode_index = viafb_get_mode_index(var->xres, var->yres, 0);
 
 181         if (vmode_index == VIA_RES_INVALID) {
 
 183                           "viafb: Mode %dx%dx%d not supported!!\n",
 
 184                           var->xres, var->yres, var->bits_per_pixel);
 
 188         if (24 == var->bits_per_pixel)
 
 189                 var->bits_per_pixel = 32;
 
 191         if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
 
 192                 var->bits_per_pixel != 32)
 
 195         if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
 
 196                 /*32 pixel alignment */
 
 197                 var->xres_virtual = (var->xres_virtual + 31) & ~31;
 
 198         if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
 
 202         /* Based on var passed in to calculate the refresh,
 
 203          * because our driver use some modes special.
 
 205         htotal = var->xres + var->left_margin +
 
 206         var->right_margin + var->hsync_len;
 
 207         vtotal = var->yres + var->upper_margin +
 
 208                 var->lower_margin + var->vsync_len;
 
 209         long_refresh = 1000000000UL / var->pixclock * 1000;
 
 210         long_refresh /= (htotal * vtotal);
 
 212         viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 
 214         /* Adjust var according to our driver's own table */
 
 215         viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
 
 217         /* This is indeed a patch for VT3353 */
 
 220         p_viafb_par = (struct viafb_par *)info->par;
 
 221         if (p_viafb_par->chip_info->gfx_chip_name == UNICHROME_VX800)
 
 222                 var->accel_flags = 0;
 
 227 static int viafb_set_par(struct fb_info *info)
 
 230         int vmode_index1 = 0;
 
 231         DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 
 233         viafb_update_device_setting(info->var.xres, info->var.yres,
 
 234                               info->var.bits_per_pixel, viafb_refresh, 0);
 
 236         vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres, 0);
 
 238         if (viafb_SAMM_ON == 1) {
 
 240                 "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 
 241                           viafb_second_xres, viafb_second_yres, viafb_bpp1);
 
 242                 vmode_index1 = viafb_get_mode_index(viafb_second_xres,
 
 243                         viafb_second_yres, 1);
 
 244                 DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
 
 247                 viafb_update_device_setting(viafb_second_xres,
 
 248                         viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 
 251         if (vmode_index != VIA_RES_INVALID) {
 
 252                 viafb_setmode(vmode_index, info->var.xres, info->var.yres,
 
 253                         info->var.bits_per_pixel, vmode_index1,
 
 254                         viafb_second_xres, viafb_second_yres, viafb_bpp1);
 
 256                 /*We should set memory offset according virtual_x */
 
 257                 /*Fix me:put this function into viafb_setmode */
 
 258                 viafb_memory_pitch_patch(info);
 
 260                 /* Update ***fb_par information */
 
 261                 viafb_update_viafb_par(info);
 
 263                 /* Update other fixed information */
 
 264                 viafb_update_fix(&info->fix, info);
 
 265                 viafb_bpp = info->var.bits_per_pixel;
 
 266                 /* Update viafb_accel, it is necessary to our 2D accelerate */
 
 267                 viafb_accel = info->var.accel_flags;
 
 270                         viafb_set_2d_color_depth(info->var.bits_per_pixel);
 
 276 /* Set one color register */
 
 277 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 
 278 unsigned blue, unsigned transp, struct fb_info *info)
 
 280         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 
 281         unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
 
 282         DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
 
 283         if (regno >= cmap_entries)
 
 285         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 
 287                  * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
 
 289                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 
 290                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 
 292         switch (info->var.bits_per_pixel) {
 
 303                 /* Map the 3C6/7/8/9 to the IGA2 */
 
 305                 outb(sr1a | 0x01, 0x3C5);
 
 306                 /* Second Display Engine colck always on */
 
 308                 outb(sr1b | 0x80, 0x3C5);
 
 309                 /* Second Display Color Depth 8 */
 
 311                 outb(cr67 & 0x3F, 0x3D5);
 
 313                 /* Second Display Channel Reset CR6A[6]) */
 
 314                 outb(cr6a & 0xBF, 0x3D5);
 
 315                 /* Second Display Channel Enable CR6A[7] */
 
 316                 outb(cr6a | 0x80, 0x3D5);
 
 317                 /* Second Display Channel stop reset) */
 
 318                 outb(cr6a | 0x40, 0x3D5);
 
 320                 /* Bit mask of palette */
 
 322                 /* Write one register of IGA2 */
 
 324                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 
 327                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 
 328                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 
 331                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 
 332                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 
 334                 outb(red >> shift, 0x3C9);
 
 335                 outb(green >> shift, 0x3C9);
 
 336                 outb(blue >> shift, 0x3C9);
 
 338                 /* Map the 3C6/7/8/9 to the IGA1 */
 
 340                 outb(sr1a & 0xFE, 0x3C5);
 
 341                 /* Bit mask of palette */
 
 343                 /* Write one register of IGA1 */
 
 345                 outb(red >> shift, 0x3C9);
 
 346                 outb(green >> shift, 0x3C9);
 
 347                 outb(blue >> shift, 0x3C9);
 
 359                 ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
 
 360                     ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
 
 363                 ((u32 *) info->pseudo_palette)[regno] =
 
 364                     ((transp & 0xFF00) << 16) |
 
 365                     ((red & 0xFF00) << 8) |
 
 366                     ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
 
 374 /*CALLED BY: fb_set_cmap */
 
 375 /*           fb_set_var, pass 256 colors */
 
 376 /*CALLED BY: fb_set_cmap */
 
 377 /*           fbcon_set_palette, pass 16 colors */
 
 378 static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 
 382         u16 *pred = cmap->red;
 
 383         u16 *pgreen = cmap->green;
 
 384         u16 *pblue = cmap->blue;
 
 385         u16 *ptransp = cmap->transp;
 
 386         u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
 
 389         if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
 
 391                  * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
 
 394                 outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
 
 395                 rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
 
 397         switch (info->var.bits_per_pixel) {
 
 407                 /* Map the 3C6/7/8/9 to the IGA2 */
 
 409                 outb(sr1a | 0x01, 0x3C5);
 
 411                 /* Second Display Engine colck always on */
 
 412                 outb(sr1b | 0x80, 0x3C5);
 
 414                 /* Second Display Color Depth 8 */
 
 415                 outb(cr67 & 0x3F, 0x3D5);
 
 417                 /* Second Display Channel Reset CR6A[6]) */
 
 418                 outb(cr6a & 0xBF, 0x3D5);
 
 419                 /* Second Display Channel Enable CR6A[7] */
 
 420                 outb(cr6a | 0x80, 0x3D5);
 
 421                 /* Second Display Channel stop reset) */
 
 422                 outb(cr6a | 0xC0, 0x3D5);
 
 424                 /* Bit mask of palette */
 
 427                 if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
 
 430                         viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
 
 431                         viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
 
 434                         viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
 
 435                         viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
 
 437                 for (i = 0; i < len; i++) {
 
 438                         outb((*(pred + i)) >> shift, 0x3C9);
 
 439                         outb((*(pgreen + i)) >> shift, 0x3C9);
 
 440                         outb((*(pblue + i)) >> shift, 0x3C9);
 
 444                 /* Map the 3C6/7/8/9 to the IGA1 */
 
 445                 outb(sr1a & 0xFE, 0x3C5);
 
 446                 /* Bit mask of palette */
 
 449                 for (i = 0; i < len; i++) {
 
 450                         outb((*(pred + i)) >> shift, 0x3C9);
 
 451                         outb((*(pgreen + i)) >> shift, 0x3C9);
 
 452                         outb((*(pblue + i)) >> shift, 0x3C9);
 
 466                         return 0;       /* Because static u32 pseudo_pal[17]; */
 
 467                 for (i = 0; i < len; i++)
 
 468                         ((u32 *) info->pseudo_palette)[i] =
 
 469                             (*(pred + i) & 0xF800) |
 
 470                             ((*(pgreen + i) & 0xFC00) >> 5) |
 
 471                             ((*(pblue + i) & 0xF800) >> 11);
 
 477                         for (i = 0; i < len; i++)
 
 478                                 ((u32 *) info->pseudo_palette)[i] =
 
 479                                     ((*(ptransp + i) & 0xFF00) << 16) |
 
 480                                     ((*(pred + i) & 0xFF00) << 8) |
 
 481                                     ((*(pgreen + i) & 0xFF00)) |
 
 482                                     ((*(pblue + i) & 0xFF00) >> 8);
 
 484                         for (i = 0; i < len; i++)
 
 485                                 ((u32 *) info->pseudo_palette)[i] =
 
 487                                     ((*(pred + i) & 0xFF00) << 8) |
 
 488                                     ((*(pgreen + i) & 0xFF00)) |
 
 489                                     ((*(pblue + i) & 0xFF00) >> 8);
 
 496 static int viafb_pan_display(struct fb_var_screeninfo *var,
 
 497         struct fb_info *info)
 
 501         DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
 
 503         offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
 
 504             var->bits_per_pixel / 16;
 
 506         DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
 
 508         viafb_write_reg_mask(0x48, 0x3d4, ((offset >> 24) & 0x3), 0x3);
 
 509         viafb_write_reg_mask(0x34, 0x3d4, ((offset >> 16) & 0xff), 0xff);
 
 510         viafb_write_reg_mask(0x0c, 0x3d4, ((offset >> 8) & 0xff), 0xff);
 
 511         viafb_write_reg_mask(0x0d, 0x3d4, (offset & 0xff), 0xff);
 
 516 static int viafb_blank(int blank_mode, struct fb_info *info)
 
 518         DEBUG_MSG(KERN_INFO "viafb_blank!\n");
 
 519         /* clear DPMS setting */
 
 521         switch (blank_mode) {
 
 522         case FB_BLANK_UNBLANK:
 
 523                 /* Screen: On, HSync: On, VSync: On */
 
 524                 /* control CRT monitor power management */
 
 525                 viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
 
 527         case FB_BLANK_HSYNC_SUSPEND:
 
 528                 /* Screen: Off, HSync: Off, VSync: On */
 
 529                 /* control CRT monitor power management */
 
 530                 viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
 
 532         case FB_BLANK_VSYNC_SUSPEND:
 
 533                 /* Screen: Off, HSync: On, VSync: Off */
 
 534                 /* control CRT monitor power management */
 
 535                 viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
 
 537         case FB_BLANK_POWERDOWN:
 
 538                 /* Screen: Off, HSync: Off, VSync: Off */
 
 539                 /* control CRT monitor power management */
 
 540                 viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
 
 547 static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 
 550                 struct viafb_ioctl_mode viamode;
 
 551                 struct viafb_ioctl_samm viasamm;
 
 552                 struct viafb_driver_version driver_version;
 
 553                 struct fb_var_screeninfo sec_var;
 
 554                 struct _panel_size_pos_info panel_pos_size_para;
 
 555                 struct viafb_ioctl_setting viafb_setting;
 
 556                 struct device_t active_dev;
 
 559         u32 *viafb_gamma_table;
 
 560         char driver_name[] = "viafb";
 
 562         u32 __user *argp = (u32 __user *) arg;
 
 564         u32 video_dev_info = 0;
 
 566         DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
 
 567         memset(&u, 0, sizeof(u));
 
 570         case VIAFB_GET_CHIP_INFO:
 
 571                 if (copy_to_user(argp, viaparinfo->chip_info,
 
 572                                 sizeof(struct chip_information)))
 
 575         case VIAFB_GET_INFO_SIZE:
 
 576                 return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
 
 578                 return viafb_ioctl_get_viafb_info(arg);
 
 580                 return put_user(viafb_ioctl_hotplug(info->var.xres,
 
 582                                               info->var.bits_per_pixel), argp);
 
 583         case VIAFB_SET_HOTPLUG_FLAG:
 
 584                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 
 586                 viafb_hotplug = (gpu32) ? 1 : 0;
 
 588         case VIAFB_GET_RESOLUTION:
 
 589                 u.viamode.xres = (u32) viafb_hotplug_Xres;
 
 590                 u.viamode.yres = (u32) viafb_hotplug_Yres;
 
 591                 u.viamode.refresh = (u32) viafb_hotplug_refresh;
 
 592                 u.viamode.bpp = (u32) viafb_hotplug_bpp;
 
 593                 if (viafb_SAMM_ON == 1) {
 
 594                         u.viamode.xres_sec = viafb_second_xres;
 
 595                         u.viamode.yres_sec = viafb_second_yres;
 
 596                         u.viamode.virtual_xres_sec = viafb_second_virtual_xres;
 
 597                         u.viamode.virtual_yres_sec = viafb_second_virtual_yres;
 
 598                         u.viamode.refresh_sec = viafb_refresh1;
 
 599                         u.viamode.bpp_sec = viafb_bpp1;
 
 601                         u.viamode.xres_sec = 0;
 
 602                         u.viamode.yres_sec = 0;
 
 603                         u.viamode.virtual_xres_sec = 0;
 
 604                         u.viamode.virtual_yres_sec = 0;
 
 605                         u.viamode.refresh_sec = 0;
 
 606                         u.viamode.bpp_sec = 0;
 
 608                 if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
 
 611         case VIAFB_GET_SAMM_INFO:
 
 612                 u.viasamm.samm_status = viafb_SAMM_ON;
 
 614                 if (viafb_SAMM_ON == 1) {
 
 616                                 u.viasamm.size_prim = viaparinfo->fbmem_free;
 
 617                                 u.viasamm.size_sec = viaparinfo1->fbmem_free;
 
 619                                 if (viafb_second_size) {
 
 620                                         u.viasamm.size_prim =
 
 621                                             viaparinfo->fbmem_free -
 
 622                                             viafb_second_size * 1024 * 1024;
 
 624                                             viafb_second_size * 1024 * 1024;
 
 626                                         u.viasamm.size_prim =
 
 627                                             viaparinfo->fbmem_free >> 1;
 
 629                                             (viaparinfo->fbmem_free >> 1);
 
 632                         u.viasamm.mem_base = viaparinfo->fbmem;
 
 633                         u.viasamm.offset_sec = viafb_second_offset;
 
 635                         u.viasamm.size_prim =
 
 636                             viaparinfo->memsize - viaparinfo->fbmem_used;
 
 637                         u.viasamm.size_sec = 0;
 
 638                         u.viasamm.mem_base = viaparinfo->fbmem;
 
 639                         u.viasamm.offset_sec = 0;
 
 642                 if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
 
 646         case VIAFB_TURN_ON_OUTPUT_DEVICE:
 
 647                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 
 649                 if (gpu32 & CRT_Device)
 
 651                 if (gpu32 & DVI_Device)
 
 653                 if (gpu32 & LCD_Device)
 
 656         case VIAFB_TURN_OFF_OUTPUT_DEVICE:
 
 657                 if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
 
 659                 if (gpu32 & CRT_Device)
 
 661                 if (gpu32 & DVI_Device)
 
 663                 if (gpu32 & LCD_Device)
 
 666         case VIAFB_SET_DEVICE:
 
 667                 if (copy_from_user(&u.active_dev, (void *)argp,
 
 668                         sizeof(u.active_dev)))
 
 670                 viafb_set_device(u.active_dev);
 
 673         case VIAFB_GET_DEVICE:
 
 674                 u.active_dev.crt = viafb_CRT_ON;
 
 675                 u.active_dev.dvi = viafb_DVI_ON;
 
 676                 u.active_dev.lcd = viafb_LCD_ON;
 
 677                 u.active_dev.samm = viafb_SAMM_ON;
 
 678                 u.active_dev.primary_dev = viafb_primary_dev;
 
 680                 u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
 
 681                 u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
 
 682                 u.active_dev.lcd_mode = viafb_lcd_mode;
 
 684                 u.active_dev.xres = viafb_hotplug_Xres;
 
 685                 u.active_dev.yres = viafb_hotplug_Yres;
 
 687                 u.active_dev.xres1 = viafb_second_xres;
 
 688                 u.active_dev.yres1 = viafb_second_yres;
 
 690                 u.active_dev.bpp = viafb_bpp;
 
 691                 u.active_dev.bpp1 = viafb_bpp1;
 
 692                 u.active_dev.refresh = viafb_refresh;
 
 693                 u.active_dev.refresh1 = viafb_refresh1;
 
 695                 u.active_dev.epia_dvi = viafb_platform_epia_dvi;
 
 696                 u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
 
 697                 u.active_dev.bus_width = viafb_bus_width;
 
 699                 if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
 
 703         case VIAFB_GET_DRIVER_VERSION:
 
 704                 u.driver_version.iMajorNum = VERSION_MAJOR;
 
 705                 u.driver_version.iKernelNum = VERSION_KERNEL;
 
 706                 u.driver_version.iOSNum = VERSION_OS;
 
 707                 u.driver_version.iMinorNum = VERSION_MINOR;
 
 709                 if (copy_to_user(argp, &u.driver_version,
 
 710                         sizeof(u.driver_version)))
 
 715         case VIAFB_SET_DEVICE_INFO:
 
 716                 if (copy_from_user(&u.viafb_setting,
 
 717                         argp, sizeof(u.viafb_setting)))
 
 719                 if (apply_device_setting(u.viafb_setting, info) < 0)
 
 724         case VIAFB_SET_SECOND_MODE:
 
 725                 if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var)))
 
 727                 apply_second_mode_setting(&u.sec_var);
 
 730         case VIAFB_GET_DEVICE_INFO:
 
 732                 retrieve_device_setting(&u.viafb_setting);
 
 734                 if (copy_to_user(argp, &u.viafb_setting,
 
 735                                  sizeof(u.viafb_setting)))
 
 740         case VIAFB_GET_DEVICE_SUPPORT:
 
 741                 viafb_get_device_support_state(&state_info);
 
 742                 if (put_user(state_info, argp))
 
 746         case VIAFB_GET_DEVICE_CONNECT:
 
 747                 viafb_get_device_connect_state(&state_info);
 
 748                 if (put_user(state_info, argp))
 
 752         case VIAFB_GET_PANEL_SUPPORT_EXPAND:
 
 754                     viafb_lcd_get_support_expand_state(info->var.xres,
 
 756                 if (put_user(state_info, argp))
 
 760         case VIAFB_GET_DRIVER_NAME:
 
 761                 if (copy_to_user(argp, driver_name, sizeof(driver_name)))
 
 765         case VIAFB_SET_GAMMA_LUT:
 
 766                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 
 767                 if (!viafb_gamma_table)
 
 769                 if (copy_from_user(viafb_gamma_table, argp,
 
 770                                 sizeof(viafb_gamma_table))) {
 
 771                         kfree(viafb_gamma_table);
 
 774                 viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
 
 775                 kfree(viafb_gamma_table);
 
 778         case VIAFB_GET_GAMMA_LUT:
 
 779                 viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
 
 780                 if (!viafb_gamma_table)
 
 782                 viafb_get_gamma_table(viafb_gamma_table);
 
 783                 if (copy_to_user(argp, viafb_gamma_table,
 
 784                         sizeof(viafb_gamma_table))) {
 
 785                         kfree(viafb_gamma_table);
 
 788                 kfree(viafb_gamma_table);
 
 791         case VIAFB_GET_GAMMA_SUPPORT_STATE:
 
 792                 viafb_get_gamma_support_state(viafb_bpp, &state_info);
 
 793                 if (put_user(state_info, argp))
 
 796         case VIAFB_SET_VIDEO_DEVICE:
 
 797                 get_user(video_dev_info, argp);
 
 798                 viafb_set_video_device(video_dev_info);
 
 800         case VIAFB_GET_VIDEO_DEVICE:
 
 801                 viafb_get_video_device(&video_dev_info);
 
 802                 if (put_user(video_dev_info, argp))
 
 805         case VIAFB_SYNC_SURFACE:
 
 806                 DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
 
 808         case VIAFB_GET_DRIVER_CAPS:
 
 811         case VIAFB_GET_PANEL_MAX_SIZE:
 
 812                 if (copy_from_user(&u.panel_pos_size_para, argp,
 
 813                                    sizeof(u.panel_pos_size_para)))
 
 815                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 
 816                 if (copy_to_user(argp, &u.panel_pos_size_para,
 
 817                      sizeof(u.panel_pos_size_para)))
 
 820         case VIAFB_GET_PANEL_MAX_POSITION:
 
 821                 if (copy_from_user(&u.panel_pos_size_para, argp,
 
 822                                    sizeof(u.panel_pos_size_para)))
 
 824                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 
 825                 if (copy_to_user(argp, &u.panel_pos_size_para,
 
 826                                  sizeof(u.panel_pos_size_para)))
 
 830         case VIAFB_GET_PANEL_POSITION:
 
 831                 if (copy_from_user(&u.panel_pos_size_para, argp,
 
 832                                    sizeof(u.panel_pos_size_para)))
 
 834                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 
 835                 if (copy_to_user(argp, &u.panel_pos_size_para,
 
 836                                  sizeof(u.panel_pos_size_para)))
 
 839         case VIAFB_GET_PANEL_SIZE:
 
 840                 if (copy_from_user(&u.panel_pos_size_para, argp,
 
 841                                    sizeof(u.panel_pos_size_para)))
 
 843                 u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
 
 844                 if (copy_to_user(argp, &u.panel_pos_size_para,
 
 845                                  sizeof(u.panel_pos_size_para)))
 
 849         case VIAFB_SET_PANEL_POSITION:
 
 850                 if (copy_from_user(&u.panel_pos_size_para, argp,
 
 851                                    sizeof(u.panel_pos_size_para)))
 
 854         case VIAFB_SET_PANEL_SIZE:
 
 855                 if (copy_from_user(&u.panel_pos_size_para, argp,
 
 856                                    sizeof(u.panel_pos_size_para)))
 
 867 static void viafb_fillrect(struct fb_info *info,
 
 868         const struct fb_fillrect *rect)
 
 870         u32 col = 0, rop = 0;
 
 874                 cfb_fillrect(info, rect);
 
 878         if (!rect->width || !rect->height)
 
 891         switch (info->var.bits_per_pixel) {
 
 896                 col = ((u32 *) (info->pseudo_palette))[rect->color];
 
 899                 col = ((u32 *) (info->pseudo_palette))[rect->color];
 
 903         /* BitBlt Source Address */
 
 904         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
 
 905         /* Source Base Address */
 
 906         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
 
 907         /* Destination Base Address */
 
 908         writel(((unsigned long) (info->screen_base) -
 
 909                    (unsigned long) viafb_FB_MM) >> 3,
 
 910                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 
 912         pitch = (info->var.xres_virtual + 7) & ~7;
 
 913         writel(VIA_PITCH_ENABLE |
 
 915                       info->var.bits_per_pixel >> 3) >> 3) |
 
 917                       var.bits_per_pixel >> 3) >> 3) << 16)),
 
 918                       viaparinfo->io_virt + VIA_REG_PITCH);
 
 919         /* BitBlt Destination Address */
 
 920         writel(((rect->dy << 16) | rect->dx),
 
 921                 viaparinfo->io_virt + VIA_REG_DSTPOS);
 
 922         /* Dimension: width & height */
 
 923         writel((((rect->height - 1) << 16) | (rect->width - 1)),
 
 924                 viaparinfo->io_virt + VIA_REG_DIMENSION);
 
 925         /* Forground color or Destination color */
 
 926         writel(col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
 
 928         writel((0x01 | 0x2000 | (rop << 24)),
 
 929                 viaparinfo->io_virt + VIA_REG_GECMD);
 
 933 static void viafb_copyarea(struct fb_info *info,
 
 934         const struct fb_copyarea *area)
 
 936         u32 dy = area->dy, sy = area->sy, direction = 0x0;
 
 937         u32 sx = area->sx, dx = area->dx, width = area->width;
 
 940         DEBUG_MSG(KERN_INFO "viafb_copyarea!!\n");
 
 943                 cfb_copyarea(info, area);
 
 947         if (!area->width || !area->height)
 
 951                 dy += area->height - 1;
 
 952                 sy += area->height - 1;
 
 962         /* Source Base Address */
 
 963         writel(((unsigned long) (info->screen_base) -
 
 964                    (unsigned long) viafb_FB_MM) >> 3,
 
 965                    viaparinfo->io_virt + VIA_REG_SRCBASE);
 
 966         /* Destination Base Address */
 
 967         writel(((unsigned long) (info->screen_base) -
 
 968                    (unsigned long) viafb_FB_MM) >> 3,
 
 969                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 
 971         pitch = (info->var.xres_virtual + 7) & ~7;
 
 972         /* VIA_PITCH_ENABLE can be omitted now. */
 
 973         writel(VIA_PITCH_ENABLE |
 
 975                       info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
 
 980                                 viaparinfo->io_virt + VIA_REG_PITCH);
 
 981         /* BitBlt Source Address */
 
 982         writel(((sy << 16) | sx), viaparinfo->io_virt + VIA_REG_SRCPOS);
 
 983         /* BitBlt Destination Address */
 
 984         writel(((dy << 16) | dx), viaparinfo->io_virt + VIA_REG_DSTPOS);
 
 985         /* Dimension: width & height */
 
 986         writel((((area->height - 1) << 16) | (area->width - 1)),
 
 987                    viaparinfo->io_virt + VIA_REG_DIMENSION);
 
 989         writel((0x01 | direction | (0xCC << 24)),
 
 990                 viaparinfo->io_virt + VIA_REG_GECMD);
 
 994 static void viafb_imageblit(struct fb_info *info,
 
 995         const struct fb_image *image)
 
 997         u32 size, bg_col = 0, fg_col = 0, *udata;
 
1002                 cfb_imageblit(info, image);
 
1006         udata = (u32 *) image->data;
 
1008         switch (info->var.bits_per_pixel) {
 
1010                 bg_col = image->bg_color;
 
1011                 fg_col = image->fg_color;
 
1014                 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
 
1015                 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
 
1018                 bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
 
1019                 fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
 
1022         size = image->width * image->height;
 
1024         /* Source Base Address */
 
1025         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE);
 
1026         /* Destination Base Address */
 
1027         writel(((unsigned long) (info->screen_base) -
 
1028                    (unsigned long) viafb_FB_MM) >> 3,
 
1029                    viaparinfo->io_virt + VIA_REG_DSTBASE);
 
1031         pitch = (info->var.xres_virtual + 7) & ~7;
 
1032         writel(VIA_PITCH_ENABLE |
 
1034                       info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
 
1039                                 viaparinfo->io_virt + VIA_REG_PITCH);
 
1040         /* BitBlt Source Address */
 
1041         writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS);
 
1042         /* BitBlt Destination Address */
 
1043         writel(((image->dy << 16) | image->dx),
 
1044                 viaparinfo->io_virt + VIA_REG_DSTPOS);
 
1045         /* Dimension: width & height */
 
1046         writel((((image->height - 1) << 16) | (image->width - 1)),
 
1047                    viaparinfo->io_virt + VIA_REG_DIMENSION);
 
1049         writel(fg_col, viaparinfo->io_virt + VIA_REG_FGCOLOR);
 
1051         writel(bg_col, viaparinfo->io_virt + VIA_REG_BGCOLOR);
 
1053         writel(0xCC020142, viaparinfo->io_virt + VIA_REG_GECMD);
 
1055         for (i = 0; i < size / 4; i++) {
 
1056                 writel(*udata, viaparinfo->io_virt + VIA_MMIO_BLTBASE);
 
1062 static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 
1064         u32 temp, xx, yy, bg_col = 0, fg_col = 0;
 
1066         static int hw_cursor;
 
1067         struct viafb_par *p_viafb_par;
 
1074                         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 
1080         if ((((struct viafb_par *)(info->par))->iga_path == IGA2)
 
1081             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
 
1084         /* When duoview and using lcd , use soft cursor */
 
1085         if (viafb_LCD_ON || ((struct viafb_par *)(info->par))->duoview)
 
1088         viafb_show_hw_cursor(info, HW_Cursor_OFF);
 
1089         viacursor = *cursor;
 
1091         if (cursor->set & FB_CUR_SETHOT) {
 
1092                 viacursor.hot = cursor->hot;
 
1093                 temp = ((viacursor.hot.x) << 16) + viacursor.hot.y;
 
1094                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_ORG);
 
1097         if (cursor->set & FB_CUR_SETPOS) {
 
1098                 viacursor.image.dx = cursor->image.dx;
 
1099                 viacursor.image.dy = cursor->image.dy;
 
1100                 yy = cursor->image.dy - info->var.yoffset;
 
1101                 xx = cursor->image.dx - info->var.xoffset;
 
1104                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_POS);
 
1107         if (cursor->set & FB_CUR_SETSIZE) {
 
1108                 temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
 
1110                 if ((cursor->image.width <= 32)
 
1111                     && (cursor->image.height <= 32)) {
 
1114                 } else if ((cursor->image.width <= 64)
 
1115                            && (cursor->image.height <= 64)) {
 
1120                         "The cursor image is biger than 64x64 bits...\n");
 
1123                 writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE);
 
1125                 viacursor.image.height = cursor->image.height;
 
1126                 viacursor.image.width = cursor->image.width;
 
1129         if (cursor->set & FB_CUR_SETCMAP) {
 
1130                 viacursor.image.fg_color = cursor->image.fg_color;
 
1131                 viacursor.image.bg_color = cursor->image.bg_color;
 
1133                 switch (info->var.bits_per_pixel) {
 
1139                             (((info->cmap.red)[viacursor.image.bg_color] &
 
1141                             ((info->cmap.green)[viacursor.image.bg_color] &
 
1143                             (((info->cmap.blue)[viacursor.image.bg_color] &
 
1147                             (((info->cmap.red)[viacursor.image.fg_color] &
 
1149                             ((info->cmap.green)[viacursor.image.fg_color] &
 
1151                             (((info->cmap.blue)[viacursor.image.fg_color] &
 
1158                 /* This is indeed a patch for VT3324/VT3353 */
 
1161                 p_viafb_par = (struct viafb_par *)info->par;
 
1163                 if ((p_viafb_par->chip_info->gfx_chip_name ==
 
1165                         ((p_viafb_par->chip_info->gfx_chip_name ==
 
1166                         UNICHROME_VX800))) {
 
1168                             (((info->cmap.red)[viacursor.image.bg_color] &
 
1170                             (((info->cmap.green)[viacursor.image.bg_color] &
 
1172                             (((info->cmap.blue)[viacursor.image.bg_color] &
 
1175                             (((info->cmap.red)[viacursor.image.fg_color] &
 
1177                             (((info->cmap.green)[viacursor.image.fg_color] &
 
1179                             (((info->cmap.blue)[viacursor.image.fg_color] &
 
1183                 writel(bg_col, viaparinfo->io_virt + VIA_REG_CURSOR_BG);
 
1184                 writel(fg_col, viaparinfo->io_virt + VIA_REG_CURSOR_FG);
 
1187         if (cursor->set & FB_CUR_SETSHAPE) {
 
1189                         u8 data[CURSOR_SIZE / 8];
 
1190                         u32 bak[CURSOR_SIZE / 32];
 
1191                 } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
 
1193                     ((viacursor.image.width + 7) >> 3) *
 
1194                     viacursor.image.height;
 
1196                 if (cr_data == NULL)
 
1199                 if (MAX_CURS == 32) {
 
1200                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
 
1201                                 cr_data->bak[i] = 0x0;
 
1202                                 cr_data->bak[i + 1] = 0xFFFFFFFF;
 
1205                 } else if (MAX_CURS == 64) {
 
1206                         for (i = 0; i < (CURSOR_SIZE / 32); i++) {
 
1207                                 cr_data->bak[i] = 0x0;
 
1208                                 cr_data->bak[i + 1] = 0x0;
 
1209                                 cr_data->bak[i + 2] = 0xFFFFFFFF;
 
1210                                 cr_data->bak[i + 3] = 0xFFFFFFFF;
 
1215                 switch (viacursor.rop) {
 
1217                         for (i = 0; i < size; i++)
 
1218                                 cr_data->data[i] = viacursor.mask[i];
 
1222                         for (i = 0; i < size; i++)
 
1223                                 cr_data->data[i] = viacursor.mask[i];
 
1229                 if (MAX_CURS == 32) {
 
1230                         for (i = 0; i < size; i++) {
 
1231                                 cr_data->bak[j] = (u32) cr_data->data[i];
 
1232                                 cr_data->bak[j + 1] = ~cr_data->bak[j];
 
1235                 } else if (MAX_CURS == 64) {
 
1236                         for (i = 0; i < size; i++) {
 
1237                                 cr_data->bak[j] = (u32) cr_data->data[i];
 
1238                                 cr_data->bak[j + 1] = 0x0;
 
1239                                 cr_data->bak[j + 2] = ~cr_data->bak[j];
 
1240                                 cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
 
1245                 memcpy(((struct viafb_par *)(info->par))->fbmem_virt +
 
1246                        ((struct viafb_par *)(info->par))->cursor_start,
 
1247                        cr_data->bak, CURSOR_SIZE);
 
1252         if (viacursor.enable)
 
1253                 viafb_show_hw_cursor(info, HW_Cursor_ON);
 
1258 static int viafb_sync(struct fb_info *info)
 
1261                 viafb_wait_engine_idle();
 
1265 int viafb_get_mode_index(int hres, int vres, int flag)
 
1268         DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
 
1270         for (i = 0; viafb_modentry[i].mode_index != VIA_RES_INVALID; i++)
 
1271                 if (viafb_modentry[i].xres == hres &&
 
1272                         viafb_modentry[i].yres == vres)
 
1275         viafb_resMode = viafb_modentry[i].mode_index;
 
1277                 viafb_mode1 = viafb_modentry[i].mode_res;
 
1279                 viafb_mode = viafb_modentry[i].mode_res;
 
1281         return viafb_resMode;
 
1284 static void check_available_device_to_enable(int device_id)
 
1289         viafb_CRT_ON = STATE_OFF;
 
1290         viafb_DVI_ON = STATE_OFF;
 
1291         viafb_LCD_ON = STATE_OFF;
 
1292         viafb_LCD2_ON = STATE_OFF;
 
1293         viafb_DeviceStatus = None_Device;
 
1295         if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
 
1296                 viafb_CRT_ON = STATE_ON;
 
1298                 viafb_DeviceStatus |= CRT_Device;
 
1301         if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
 
1302                 viafb_DVI_ON = STATE_ON;
 
1304                 viafb_DeviceStatus |= DVI_Device;
 
1307         if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
 
1308                 viafb_LCD_ON = STATE_ON;
 
1310                 viafb_DeviceStatus |= LCD_Device;
 
1313         if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
 
1314                 viafb_LCD2_ON = STATE_ON;
 
1316                 viafb_DeviceStatus |= LCD2_Device;
 
1319         if (viafb_DeviceStatus == None_Device) {
 
1320                 /* Use CRT as default active device: */
 
1321                 viafb_CRT_ON = STATE_ON;
 
1322                 viafb_DeviceStatus = CRT_Device;
 
1324         DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
 
1327 static void viafb_set_device(struct device_t active_dev)
 
1329         /* Check available device to enable: */
 
1330         int device_id = None_Device;
 
1332                 device_id |= CRT_Device;
 
1334                 device_id |= DVI_Device;
 
1336                 device_id |= LCD_Device;
 
1338         check_available_device_to_enable(device_id);
 
1340         /* Check property of LCD: */
 
1342                 if (active_dev.lcd_dsp_cent) {
 
1343                         viaparinfo->lvds_setting_info->display_method =
 
1344                                 viafb_lcd_dsp_method = LCD_CENTERING;
 
1346                         viaparinfo->lvds_setting_info->display_method =
 
1347                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
 
1350                 if (active_dev.lcd_mode == LCD_SPWG) {
 
1351                         viaparinfo->lvds_setting_info->lcd_mode =
 
1352                                 viafb_lcd_mode = LCD_SPWG;
 
1354                         viaparinfo->lvds_setting_info->lcd_mode =
 
1355                                 viafb_lcd_mode = LCD_OPENLDI;
 
1358                 if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
 
1359                         viafb_lcd_panel_id = active_dev.lcd_panel_id;
 
1360                         viafb_init_lcd_size();
 
1364         /* Check property of mode: */
 
1365         if (!active_dev.xres1)
 
1366                 viafb_second_xres = 640;
 
1368                 viafb_second_xres = active_dev.xres1;
 
1369         if (!active_dev.yres1)
 
1370                 viafb_second_yres = 480;
 
1372                 viafb_second_yres = active_dev.yres1;
 
1373         if (active_dev.bpp != 0)
 
1374                 viafb_bpp = active_dev.bpp;
 
1375         if (active_dev.bpp1 != 0)
 
1376                 viafb_bpp1 = active_dev.bpp1;
 
1377         if (active_dev.refresh != 0)
 
1378                 viafb_refresh = active_dev.refresh;
 
1379         if (active_dev.refresh1 != 0)
 
1380                 viafb_refresh1 = active_dev.refresh1;
 
1381         if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
 
1382                 viafb_SAMM_ON = active_dev.samm;
 
1383         viafb_primary_dev = active_dev.primary_dev;
 
1385         viafb_set_start_addr();
 
1386         viafb_set_iga_path();
 
1389 static void viafb_set_video_device(u32 video_dev_info)
 
1391         viaparinfo->video_on_crt = STATE_OFF;
 
1392         viaparinfo->video_on_dvi = STATE_OFF;
 
1393         viaparinfo->video_on_lcd = STATE_OFF;
 
1395         /* Check available device to enable: */
 
1396         if ((video_dev_info & CRT_Device) == CRT_Device)
 
1397                 viaparinfo->video_on_crt = STATE_ON;
 
1398         else if ((video_dev_info & DVI_Device) == DVI_Device)
 
1399                 viaparinfo->video_on_dvi = STATE_ON;
 
1400         else if ((video_dev_info & LCD_Device) == LCD_Device)
 
1401                 viaparinfo->video_on_lcd = STATE_ON;
 
1404 static void viafb_get_video_device(u32 *video_dev_info)
 
1406         *video_dev_info = None_Device;
 
1407         if (viaparinfo->video_on_crt == STATE_ON)
 
1408                 *video_dev_info |= CRT_Device;
 
1409         else if (viaparinfo->video_on_dvi == STATE_ON)
 
1410                 *video_dev_info |= DVI_Device;
 
1411         else if (viaparinfo->video_on_lcd == STATE_ON)
 
1412                 *video_dev_info |= LCD_Device;
 
1415 static int get_primary_device(void)
 
1417         int primary_device = 0;
 
1418         /* Rule: device on iga1 path are the primary device. */
 
1419         if (viafb_SAMM_ON) {
 
1421                         if (viaparinfo->crt_setting_info->iga_path == IGA1) {
 
1422                                 DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
 
1424                                         crt_setting_info->iga_path);
 
1425                                 primary_device = CRT_Device;
 
1429                         if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
 
1430                                 DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
 
1432                                         tmds_setting_info->iga_path);
 
1433                                 primary_device = DVI_Device;
 
1437                         if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
 
1438                                 DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
 
1440                                         lvds_setting_info->iga_path);
 
1441                                 primary_device = LCD_Device;
 
1444                 if (viafb_LCD2_ON) {
 
1445                         if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
 
1446                                 DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
 
1448                                         lvds_setting_info2->iga_path);
 
1449                                 primary_device = LCD2_Device;
 
1453         return primary_device;
 
1456 static u8 is_duoview(void)
 
1458         if (0 == viafb_SAMM_ON) {
 
1459                 if (viafb_LCD_ON + viafb_LCD2_ON +
 
1460                         viafb_DVI_ON + viafb_CRT_ON == 2)
 
1468 static void apply_second_mode_setting(struct fb_var_screeninfo
 
1471         u32 htotal, vtotal, long_refresh;
 
1473         htotal = sec_var->xres + sec_var->left_margin +
 
1474                 sec_var->right_margin + sec_var->hsync_len;
 
1475         vtotal = sec_var->yres + sec_var->upper_margin +
 
1476                 sec_var->lower_margin + sec_var->vsync_len;
 
1477         if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
 
1478                 /*Is 32 bytes alignment? */
 
1479                 /*32 pixel alignment */
 
1480                 sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
 
1483         htotal = sec_var->xres + sec_var->left_margin +
 
1484                 sec_var->right_margin + sec_var->hsync_len;
 
1485         vtotal = sec_var->yres + sec_var->upper_margin +
 
1486                 sec_var->lower_margin + sec_var->vsync_len;
 
1487         long_refresh = 1000000000UL / sec_var->pixclock * 1000;
 
1488         long_refresh /= (htotal * vtotal);
 
1490         viafb_second_xres = sec_var->xres;
 
1491         viafb_second_yres = sec_var->yres;
 
1492         viafb_second_virtual_xres = sec_var->xres_virtual;
 
1493         viafb_second_virtual_yres = sec_var->yres_virtual;
 
1494         viafb_bpp1 = sec_var->bits_per_pixel;
 
1495         viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
 
1499 static int apply_device_setting(struct viafb_ioctl_setting setting_info,
 
1500         struct fb_info *info)
 
1502         int need_set_mode = 0;
 
1503         DEBUG_MSG(KERN_INFO "apply_device_setting\n");
 
1505         if (setting_info.device_flag) {
 
1507                 check_available_device_to_enable(setting_info.device_status);
 
1510         /* Unlock LCD's operation according to LCD flag
 
1511            and check if the setting value is valid. */
 
1512         /* If the value is valid, apply the new setting value to the device. */
 
1514                 if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
 
1516                         if (setting_info.lcd_attributes.display_center) {
 
1518                                 viaparinfo->lvds_setting_info->display_method =
 
1520                                 viafb_lcd_dsp_method = LCD_CENTERING;
 
1521                                 viaparinfo->lvds_setting_info2->display_method =
 
1522                                     viafb_lcd_dsp_method = LCD_CENTERING;
 
1525                                 viaparinfo->lvds_setting_info->display_method =
 
1527                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
 
1528                                 viaparinfo->lvds_setting_info2->display_method =
 
1530                                 viafb_lcd_dsp_method = LCD_EXPANDSION;
 
1534                 if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
 
1536                         if (setting_info.lcd_attributes.lcd_mode ==
 
1538                                 viaparinfo->lvds_setting_info->lcd_mode =
 
1539                                         viafb_lcd_mode = LCD_SPWG;
 
1541                                 viaparinfo->lvds_setting_info->lcd_mode =
 
1542                                         viafb_lcd_mode = LCD_OPENLDI;
 
1544                         viaparinfo->lvds_setting_info2->lcd_mode =
 
1545                             viaparinfo->lvds_setting_info->lcd_mode;
 
1548                 if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
 
1550                         if (setting_info.lcd_attributes.panel_id <=
 
1551                             LCD_PANEL_ID_MAXIMUM) {
 
1552                                 viafb_lcd_panel_id =
 
1553                                     setting_info.lcd_attributes.panel_id;
 
1554                                 viafb_init_lcd_size();
 
1559         if (0 != (setting_info.samm_status & OP_SAMM)) {
 
1560                 setting_info.samm_status =
 
1561                     setting_info.samm_status & (~OP_SAMM);
 
1562                 if (setting_info.samm_status == 0
 
1563                     || setting_info.samm_status == 1) {
 
1564                         viafb_SAMM_ON = setting_info.samm_status;
 
1567                                 viafb_primary_dev = setting_info.primary_device;
 
1569                         viafb_set_start_addr();
 
1570                         viafb_set_iga_path();
 
1575         viaparinfo->duoview = is_duoview();
 
1577         if (!need_set_mode) {
 
1580                 viafb_set_iga_path();
 
1581                 viafb_set_par(info);
 
1586 static void retrieve_device_setting(struct viafb_ioctl_setting
 
1590         /* get device status */
 
1591         if (viafb_CRT_ON == 1)
 
1592                 setting_info->device_status = CRT_Device;
 
1593         if (viafb_DVI_ON == 1)
 
1594                 setting_info->device_status |= DVI_Device;
 
1595         if (viafb_LCD_ON == 1)
 
1596                 setting_info->device_status |= LCD_Device;
 
1597         if (viafb_LCD2_ON == 1)
 
1598                 setting_info->device_status |= LCD2_Device;
 
1599         if ((viaparinfo->video_on_crt == 1) && (viafb_CRT_ON == 1)) {
 
1600                 setting_info->video_device_status =
 
1601                         viaparinfo->crt_setting_info->iga_path;
 
1602         } else if ((viaparinfo->video_on_dvi == 1) && (viafb_DVI_ON == 1)) {
 
1603                 setting_info->video_device_status =
 
1604                         viaparinfo->tmds_setting_info->iga_path;
 
1605         } else if ((viaparinfo->video_on_lcd == 1) && (viafb_LCD_ON == 1)) {
 
1606                 setting_info->video_device_status =
 
1607                         viaparinfo->lvds_setting_info->iga_path;
 
1609                 setting_info->video_device_status = 0;
 
1612         setting_info->samm_status = viafb_SAMM_ON;
 
1613         setting_info->primary_device = get_primary_device();
 
1615         setting_info->first_dev_bpp = viafb_bpp;
 
1616         setting_info->second_dev_bpp = viafb_bpp1;
 
1618         setting_info->first_dev_refresh = viafb_refresh;
 
1619         setting_info->second_dev_refresh = viafb_refresh1;
 
1621         setting_info->first_dev_hor_res = viafb_hotplug_Xres;
 
1622         setting_info->first_dev_ver_res = viafb_hotplug_Yres;
 
1623         setting_info->second_dev_hor_res = viafb_second_xres;
 
1624         setting_info->second_dev_ver_res = viafb_second_yres;
 
1626         /* Get lcd attributes */
 
1627         setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
 
1628         setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
 
1629         setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
 
1632 static void parse_active_dev(void)
 
1634         viafb_CRT_ON = STATE_OFF;
 
1635         viafb_DVI_ON = STATE_OFF;
 
1636         viafb_LCD_ON = STATE_OFF;
 
1637         viafb_LCD2_ON = STATE_OFF;
 
1638         /* 1. Modify the active status of devices. */
 
1639         /* 2. Keep the order of devices, so we can set corresponding
 
1640            IGA path to devices in SAMM case. */
 
1641         /*    Note: The previous of active_dev is primary device,
 
1642            and the following is secondary device. */
 
1643         if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
 
1645                 viafb_CRT_ON = STATE_ON;
 
1646                 viafb_DVI_ON = STATE_ON;
 
1647                 viafb_primary_dev = CRT_Device;
 
1648         } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
 
1650                 viafb_CRT_ON = STATE_ON;
 
1651                 viafb_DVI_ON = STATE_ON;
 
1652                 viafb_primary_dev = DVI_Device;
 
1653         } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
 
1655                 viafb_CRT_ON = STATE_ON;
 
1656                 viafb_LCD_ON = STATE_ON;
 
1657                 viafb_primary_dev = CRT_Device;
 
1658         } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
 
1660                 viafb_CRT_ON = STATE_ON;
 
1661                 viafb_LCD_ON = STATE_ON;
 
1662                 viafb_primary_dev = LCD_Device;
 
1663         } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
 
1665                 viafb_DVI_ON = STATE_ON;
 
1666                 viafb_LCD_ON = STATE_ON;
 
1667                 viafb_primary_dev = DVI_Device;
 
1668         } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
 
1670                 viafb_DVI_ON = STATE_ON;
 
1671                 viafb_LCD_ON = STATE_ON;
 
1672                 viafb_primary_dev = LCD_Device;
 
1673         } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
 
1674                 viafb_LCD_ON = STATE_ON;
 
1675                 viafb_LCD2_ON = STATE_ON;
 
1676                 viafb_primary_dev = LCD_Device;
 
1677         } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
 
1678                 viafb_LCD_ON = STATE_ON;
 
1679                 viafb_LCD2_ON = STATE_ON;
 
1680                 viafb_primary_dev = LCD2_Device;
 
1681         } else if (!strncmp(viafb_active_dev, "CRT", 3)) {
 
1683                 viafb_CRT_ON = STATE_ON;
 
1684                 viafb_SAMM_ON = STATE_OFF;
 
1685         } else if (!strncmp(viafb_active_dev, "DVI", 3)) {
 
1687                 viafb_DVI_ON = STATE_ON;
 
1688                 viafb_SAMM_ON = STATE_OFF;
 
1689         } else if (!strncmp(viafb_active_dev, "LCD", 3)) {
 
1691                 viafb_LCD_ON = STATE_ON;
 
1692                 viafb_SAMM_ON = STATE_OFF;
 
1694                 viafb_CRT_ON = STATE_ON;
 
1695                 viafb_SAMM_ON = STATE_OFF;
 
1697         viaparinfo->duoview = is_duoview();
 
1700 static void parse_video_dev(void)
 
1702         viaparinfo->video_on_crt = STATE_OFF;
 
1703         viaparinfo->video_on_dvi = STATE_OFF;
 
1704         viaparinfo->video_on_lcd = STATE_OFF;
 
1706         if (!strncmp(viafb_video_dev, "CRT", 3)) {
 
1708                 viaparinfo->video_on_crt = STATE_ON;
 
1709         } else if (!strncmp(viafb_video_dev, "DVI", 3)) {
 
1711                 viaparinfo->video_on_dvi = STATE_ON;
 
1712         } else if (!strncmp(viafb_video_dev, "LCD", 3)) {
 
1714                 viaparinfo->video_on_lcd = STATE_ON;
 
1718 static int parse_port(char *opt_str, int *output_interface)
 
1720         if (!strncmp(opt_str, "DVP0", 4))
 
1721                 *output_interface = INTERFACE_DVP0;
 
1722         else if (!strncmp(opt_str, "DVP1", 4))
 
1723                 *output_interface = INTERFACE_DVP1;
 
1724         else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
 
1725                 *output_interface = INTERFACE_DFP;
 
1726         else if (!strncmp(opt_str, "DFP_HIGH", 8))
 
1727                 *output_interface = INTERFACE_DFP_HIGH;
 
1728         else if (!strncmp(opt_str, "DFP_LOW", 7))
 
1729                 *output_interface = INTERFACE_DFP_LOW;
 
1731                 *output_interface = INTERFACE_NONE;
 
1735 static void parse_lcd_port(void)
 
1737         parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
 
1739         /*Initialize to avoid unexpected behavior */
 
1740         viaparinfo->chip_info->lvds_chip_info2.output_interface =
 
1743         DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
 
1744                   viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
 
1748 static void parse_dvi_port(void)
 
1750         parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
 
1753         DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
 
1754                   viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
 
1759  * The proc filesystem read/write function, a simple proc implement to
 
1760  * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
 
1761  * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
 
1762  * CR9B,    SR65,    CR97,    CR99
 
1764 static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset,
 
1765 int count, int *eof, void *data)
 
1768         u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
 
1770             (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
 
1771             (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
 
1773             (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
 
1774             (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
 
1775         dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
 
1777             sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
 
1778         *eof = 1;               /*Inform kernel end of data */
 
1781 static int viafb_dvp0_proc_write(struct file *file,
 
1782         const char __user *buffer, unsigned long count, void *data)
 
1784         char buf[20], *value, *pbuf;
 
1786         unsigned long length, i;
 
1789         length = count > 20 ? 20 : count;
 
1790         if (copy_from_user(&buf[0], buffer, length))
 
1792         buf[length - 1] = '\0'; /*Ensure end string */
 
1794         for (i = 0; i < 3; i++) {
 
1795                 value = strsep(&pbuf, " ");
 
1796                 if (value != NULL) {
 
1797                         strict_strtoul(value, 0, (unsigned long *)®_val);
 
1798                         DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
 
1802                                 viafb_write_reg_mask(CR96, VIACR,
 
1806                                 viafb_write_reg_mask(SR2A, VIASR,
 
1807                                         reg_val << 4, BIT5);
 
1808                                 viafb_write_reg_mask(SR1B, VIASR,
 
1809                                         reg_val << 1, BIT1);
 
1812                                 viafb_write_reg_mask(SR2A, VIASR,
 
1813                                         reg_val << 3, BIT4);
 
1814                                 viafb_write_reg_mask(SR1E, VIASR,
 
1815                                         reg_val << 2, BIT2);
 
1826 static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset,
 
1827         int count, int *eof, void *data)
 
1830         u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
 
1831         dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
 
1832         dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
 
1833         dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
 
1835             sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
 
1836         *eof = 1;               /*Inform kernel end of data */
 
1839 static int viafb_dvp1_proc_write(struct file *file,
 
1840         const char __user *buffer, unsigned long count, void *data)
 
1842         char buf[20], *value, *pbuf;
 
1844         unsigned long length, i;
 
1847         length = count > 20 ? 20 : count;
 
1848         if (copy_from_user(&buf[0], buffer, length))
 
1850         buf[length - 1] = '\0'; /*Ensure end string */
 
1852         for (i = 0; i < 3; i++) {
 
1853                 value = strsep(&pbuf, " ");
 
1854                 if (value != NULL) {
 
1855                         strict_strtoul(value, 0, (unsigned long *)®_val);
 
1858                                 viafb_write_reg_mask(CR9B, VIACR,
 
1862                                 viafb_write_reg_mask(SR65, VIASR,
 
1863                                         reg_val << 2, 0x0c);
 
1866                                 viafb_write_reg_mask(SR65, VIASR,
 
1879 static int viafb_dfph_proc_read(char *buf, char **start, off_t offset,
 
1880         int count, int *eof, void *data)
 
1884         dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
 
1885         len += sprintf(buf + len, "%x\n", dfp_high);
 
1886         *eof = 1;               /*Inform kernel end of data */
 
1889 static int viafb_dfph_proc_write(struct file *file,
 
1890         const char __user *buffer, unsigned long count, void *data)
 
1894         unsigned long length;
 
1897         length = count > 20 ? 20 : count;
 
1898         if (copy_from_user(&buf[0], buffer, length))
 
1900         buf[length - 1] = '\0'; /*Ensure end string */
 
1901         strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
 
1902         viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
 
1905 static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset,
 
1906         int count, int *eof, void *data)
 
1910         dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
 
1911         len += sprintf(buf + len, "%x\n", dfp_low);
 
1912         *eof = 1;               /*Inform kernel end of data */
 
1915 static int viafb_dfpl_proc_write(struct file *file,
 
1916         const char __user *buffer, unsigned long count, void *data)
 
1920         unsigned long length;
 
1923         length = count > 20 ? 20 : count;
 
1924         if (copy_from_user(&buf[0], buffer, length))
 
1926         buf[length - 1] = '\0'; /*Ensure end string */
 
1927         strict_strtoul(&buf[0], 0, (unsigned long *)®_val);
 
1928         viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
 
1931 static int viafb_vt1636_proc_read(char *buf, char **start,
 
1932         off_t offset, int count, int *eof, void *data)
 
1935         u8 vt1636_08 = 0, vt1636_09 = 0;
 
1936         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
 
1939                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
 
1940                     &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
 
1942                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
 
1943                     &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
 
1944                 len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09);
 
1949         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
 
1952                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
 
1953                         &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
 
1955                     viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
 
1956                         &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
 
1957                 len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09);
 
1962         *eof = 1;               /*Inform kernel end of data */
 
1965 static int viafb_vt1636_proc_write(struct file *file,
 
1966         const char __user *buffer, unsigned long count, void *data)
 
1968         char buf[30], *value, *pbuf;
 
1969         struct IODATA reg_val;
 
1970         unsigned long length, i;
 
1973         length = count > 30 ? 30 : count;
 
1974         if (copy_from_user(&buf[0], buffer, length))
 
1976         buf[length - 1] = '\0'; /*Ensure end string */
 
1978         switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
 
1980                 for (i = 0; i < 2; i++) {
 
1981                         value = strsep(&pbuf, " ");
 
1982                         if (value != NULL) {
 
1983                                 strict_strtoul(value, 0,
 
1984                                         (unsigned long *)®_val.Data);
 
1987                                         reg_val.Index = 0x08;
 
1988                                         reg_val.Mask = 0x0f;
 
1989                                         viafb_gpio_i2c_write_mask_lvds
 
1990                                             (viaparinfo->lvds_setting_info,
 
1992                                             chip_info->lvds_chip_info,
 
1996                                         reg_val.Index = 0x09;
 
1997                                         reg_val.Mask = 0x1f;
 
1998                                         viafb_gpio_i2c_write_mask_lvds
 
1999                                             (viaparinfo->lvds_setting_info,
 
2001                                             chip_info->lvds_chip_info,
 
2015         switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
 
2017                 for (i = 0; i < 2; i++) {
 
2018                         value = strsep(&pbuf, " ");
 
2019                         if (value != NULL) {
 
2020                                 strict_strtoul(value, 0,
 
2021                                         (unsigned long *)®_val.Data);
 
2024                                         reg_val.Index = 0x08;
 
2025                                         reg_val.Mask = 0x0f;
 
2026                                         viafb_gpio_i2c_write_mask_lvds
 
2027                                             (viaparinfo->lvds_setting_info2,
 
2029                                             chip_info->lvds_chip_info2,
 
2033                                         reg_val.Index = 0x09;
 
2034                                         reg_val.Mask = 0x1f;
 
2035                                         viafb_gpio_i2c_write_mask_lvds
 
2036                                             (viaparinfo->lvds_setting_info2,
 
2038                                             chip_info->lvds_chip_info2,
 
2055 static void viafb_init_proc(struct proc_dir_entry **viafb_entry)
 
2057         struct proc_dir_entry *entry;
 
2058         *viafb_entry = proc_mkdir("viafb", NULL);
 
2060                 entry = create_proc_entry("dvp0", 0, *viafb_entry);
 
2062                         entry->read_proc = viafb_dvp0_proc_read;
 
2063                         entry->write_proc = viafb_dvp0_proc_write;
 
2065                 entry = create_proc_entry("dvp1", 0, *viafb_entry);
 
2067                         entry->read_proc = viafb_dvp1_proc_read;
 
2068                         entry->write_proc = viafb_dvp1_proc_write;
 
2070                 entry = create_proc_entry("dfph", 0, *viafb_entry);
 
2072                         entry->read_proc = viafb_dfph_proc_read;
 
2073                         entry->write_proc = viafb_dfph_proc_write;
 
2075                 entry = create_proc_entry("dfpl", 0, *viafb_entry);
 
2077                         entry->read_proc = viafb_dfpl_proc_read;
 
2078                         entry->write_proc = viafb_dfpl_proc_write;
 
2080                 if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
 
2081                         lvds_chip_name || VT1636_LVDS ==
 
2082                     viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
 
2083                         entry = create_proc_entry("vt1636", 0, *viafb_entry);
 
2085                                 entry->read_proc = viafb_vt1636_proc_read;
 
2086                                 entry->write_proc = viafb_vt1636_proc_write;
 
2092 static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
 
2094         /* no problem if it was not registered */
 
2095         remove_proc_entry("dvp0", viafb_entry);/* parent dir */
 
2096         remove_proc_entry("dvp1", viafb_entry);
 
2097         remove_proc_entry("dfph", viafb_entry);
 
2098         remove_proc_entry("dfpl", viafb_entry);
 
2099         remove_proc_entry("vt1636", viafb_entry);
 
2100         remove_proc_entry("vt1625", viafb_entry);
 
2101         remove_proc_entry("viafb", NULL);
 
2104 static int __devinit via_pci_probe(void)
 
2106         unsigned int default_xres, default_yres;
 
2108         char *tmpc_sec, *tmpm_sec;
 
2110         u32 tmds_length, lvds_length, crt_length, chip_length, viafb_par_length;
 
2112         DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
 
2114         viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
 
2115         tmds_length = ALIGN(sizeof(struct tmds_setting_information),
 
2117         lvds_length = ALIGN(sizeof(struct lvds_setting_information),
 
2119         crt_length = ALIGN(sizeof(struct lvds_setting_information),
 
2121         chip_length = ALIGN(sizeof(struct chip_information), BITS_PER_LONG/8);
 
2123         /* Allocate fb_info and ***_par here, also including some other needed
 
2126         viafbinfo = framebuffer_alloc(viafb_par_length + 2 * lvds_length +
 
2127         tmds_length + crt_length + chip_length, NULL);
 
2129                 printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
 
2133         viaparinfo = (struct viafb_par *)viafbinfo->par;
 
2134         viaparinfo->tmds_setting_info = (struct tmds_setting_information *)
 
2135                 ((unsigned long)viaparinfo + viafb_par_length);
 
2136         viaparinfo->lvds_setting_info = (struct lvds_setting_information *)
 
2137                 ((unsigned long)viaparinfo->tmds_setting_info + tmds_length);
 
2138         viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *)
 
2139                 ((unsigned long)viaparinfo->lvds_setting_info + lvds_length);
 
2140         viaparinfo->crt_setting_info = (struct crt_setting_information *)
 
2141                 ((unsigned long)viaparinfo->lvds_setting_info2 + lvds_length);
 
2142         viaparinfo->chip_info = (struct chip_information *)
 
2143                 ((unsigned long)viaparinfo->crt_setting_info + crt_length);
 
2152         /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
 
2156         /* Set up I2C bus stuff */
 
2157         viafb_create_i2c_bus(viaparinfo);
 
2159         viafb_init_chip_info();
 
2160         viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize);
 
2161         viaparinfo->fbmem_free = viaparinfo->memsize;
 
2162         viaparinfo->fbmem_used = 0;
 
2163         viaparinfo->fbmem_virt = ioremap_nocache(viaparinfo->fbmem,
 
2164                 viaparinfo->memsize);
 
2165         viafbinfo->screen_base = (char *)viaparinfo->fbmem_virt;
 
2167         if (!viaparinfo->fbmem_virt) {
 
2168                 printk(KERN_INFO "ioremap failed\n");
 
2172         viafb_get_mmio_info(&viaparinfo->mmio_base, &viaparinfo->mmio_len);
 
2173         viaparinfo->io_virt = ioremap_nocache(viaparinfo->mmio_base,
 
2174                 viaparinfo->mmio_len);
 
2176         viafbinfo->node = 0;
 
2177         viafbinfo->fbops = &viafb_ops;
 
2178         viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
 
2180         viafbinfo->pseudo_palette = pseudo_pal;
 
2183                 viafb_init_2d_engine();
 
2184                 viafb_hw_cursor_init();
 
2187         if (viafb_second_size && (viafb_second_size < 8)) {
 
2188                 viafb_second_offset = viaparinfo->fbmem_free -
 
2189                         viafb_second_size * 1024 * 1024;
 
2191                 viafb_second_size = 8;
 
2192                 viafb_second_offset = viaparinfo->fbmem_free -
 
2193                         viafb_second_size * 1024 * 1024;
 
2196         viafb_FB_MM = viaparinfo->fbmem_virt;
 
2198         tmpc = strsep(&tmpm, "x");
 
2199         strict_strtoul(tmpc, 0, (unsigned long *)&default_xres);
 
2200         strict_strtoul(tmpm, 0, (unsigned long *)&default_yres);
 
2202         vmode_index = viafb_get_mode_index(default_xres, default_yres, 0);
 
2203         DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
 
2205         if (viafb_SAMM_ON == 1) {
 
2206                 if (strcmp(viafb_mode, viafb_mode1)) {
 
2207                         tmpm_sec = viafb_mode1;
 
2208                         tmpc_sec = strsep(&tmpm_sec, "x");
 
2209                         strict_strtoul(tmpc_sec, 0,
 
2210                                 (unsigned long *)&viafb_second_xres);
 
2211                         strict_strtoul(tmpm_sec, 0,
 
2212                                 (unsigned long *)&viafb_second_yres);
 
2214                         viafb_second_xres = default_xres;
 
2215                         viafb_second_yres = default_yres;
 
2217                 if (0 == viafb_second_virtual_xres) {
 
2218                         switch (viafb_second_xres) {
 
2220                                 viafb_second_virtual_xres = 1408;
 
2223                                 viafb_second_virtual_xres = viafb_second_xres;
 
2227                 if (0 == viafb_second_virtual_yres)
 
2228                         viafb_second_virtual_yres = viafb_second_yres;
 
2231         switch (viafb_bpp) {
 
2244         default_var.xres = default_xres;
 
2245         default_var.yres = default_yres;
 
2246         switch (default_xres) {
 
2248                 default_var.xres_virtual = 1408;
 
2251                 default_var.xres_virtual = default_xres;
 
2254         default_var.yres_virtual = default_yres;
 
2255         default_var.bits_per_pixel = viafb_bpp;
 
2256         if (default_var.bits_per_pixel == 15)
 
2257                 default_var.bits_per_pixel = 16;
 
2258         default_var.pixclock =
 
2259             viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
 
2260         default_var.left_margin = (default_xres >> 3) & 0xf8;
 
2261         default_var.right_margin = 32;
 
2262         default_var.upper_margin = 16;
 
2263         default_var.lower_margin = 4;
 
2264         default_var.hsync_len = default_var.left_margin;
 
2265         default_var.vsync_len = 4;
 
2266         default_var.accel_flags = 0;
 
2270                     (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
 
2271                      FBINFO_HWACCEL_IMAGEBLIT);
 
2272                 default_var.accel_flags |= FB_ACCELF_TEXT;
 
2274                 viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
 
2276         if (viafb_dual_fb) {
 
2277                 viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL);
 
2280                         "allocate the second framebuffer struct error\n");
 
2281                         framebuffer_release(viafbinfo);
 
2284                 viaparinfo1 = viafbinfo1->par;
 
2285                 memcpy(viaparinfo1, viaparinfo, viafb_par_length);
 
2286                 viaparinfo1->memsize = viaparinfo->memsize -
 
2287                         viafb_second_offset;
 
2288                 viaparinfo->memsize = viafb_second_offset;
 
2289                 viaparinfo1->fbmem_virt = viaparinfo->fbmem_virt +
 
2290                         viafb_second_offset;
 
2291                 viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
 
2293                 viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
 
2294                 viaparinfo1->fbmem_free = viaparinfo1->memsize -
 
2295                         viaparinfo1->fbmem_used;
 
2296                 viaparinfo->fbmem_free = viaparinfo->memsize;
 
2297                 viaparinfo->fbmem_used = 0;
 
2299                         viaparinfo1->cursor_start =
 
2300                             viaparinfo->cursor_start - viafb_second_offset;
 
2301                         viaparinfo1->VQ_start = viaparinfo->VQ_start -
 
2302                                 viafb_second_offset;
 
2303                         viaparinfo1->VQ_end = viaparinfo->VQ_end -
 
2304                                 viafb_second_offset;
 
2307                 memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
 
2308                 viafbinfo1->screen_base = viafbinfo->screen_base +
 
2309                         viafb_second_offset;
 
2310                 viafbinfo1->fix.smem_start = viaparinfo1->fbmem;
 
2311                 viafbinfo1->fix.smem_len = viaparinfo1->fbmem_free;
 
2313                 default_var.xres = viafb_second_xres;
 
2314                 default_var.yres = viafb_second_yres;
 
2315                 default_var.xres_virtual = viafb_second_virtual_xres;
 
2316                 default_var.yres_virtual = viafb_second_virtual_yres;
 
2317                 if (viafb_bpp1 != viafb_bpp)
 
2318                         viafb_bpp1 = viafb_bpp;
 
2319                 default_var.bits_per_pixel = viafb_bpp1;
 
2320                 default_var.pixclock =
 
2321                     viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
 
2323                 default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
 
2324                 default_var.right_margin = 32;
 
2325                 default_var.upper_margin = 16;
 
2326                 default_var.lower_margin = 4;
 
2327                 default_var.hsync_len = default_var.left_margin;
 
2328                 default_var.vsync_len = 4;
 
2330                 viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
 
2331                 viafb_check_var(&default_var, viafbinfo1);
 
2332                 viafbinfo1->var = default_var;
 
2333                 viafb_update_viafb_par(viafbinfo);
 
2334                 viafb_update_fix(&viafbinfo1->fix, viafbinfo1);
 
2337         viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
 
2338         viafb_check_var(&default_var, viafbinfo);
 
2339         viafbinfo->var = default_var;
 
2340         viafb_update_viafb_par(viafbinfo);
 
2341         viafb_update_fix(&viafbinfo->fix, viafbinfo);
 
2342         default_var.activate = FB_ACTIVATE_NOW;
 
2343         fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
 
2345         if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
 
2346             && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
 
2347                 if (register_framebuffer(viafbinfo1) < 0)
 
2350         if (register_framebuffer(viafbinfo) < 0)
 
2353         if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
 
2354                         || (viaparinfo->chip_info->gfx_chip_name !=
 
2355                         UNICHROME_CLE266))) {
 
2356                 if (register_framebuffer(viafbinfo1) < 0)
 
2359         DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
 
2360                   viafbinfo->node, viafbinfo->fix.id, default_var.xres,
 
2361                   default_var.yres, default_var.bits_per_pixel);
 
2363         viafb_init_proc(&viaparinfo->proc_entry);
 
2364         viafb_init_dac(IGA2);
 
2368 static void __devexit via_pci_remove(void)
 
2370         DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
 
2371         fb_dealloc_cmap(&viafbinfo->cmap);
 
2372         unregister_framebuffer(viafbinfo);
 
2374                 unregister_framebuffer(viafbinfo1);
 
2375         iounmap((void *)viaparinfo->fbmem_virt);
 
2376         iounmap(viaparinfo->io_virt);
 
2378         viafb_delete_i2c_buss(viaparinfo);
 
2380         framebuffer_release(viafbinfo);
 
2382                 framebuffer_release(viafbinfo1);
 
2384         viafb_remove_proc(viaparinfo->proc_entry);
 
2388 static int __init viafb_setup(char *options)
 
2391         DEBUG_MSG(KERN_INFO "viafb_setup!\n");
 
2393         if (!options || !*options)
 
2396         while ((this_opt = strsep(&options, ",")) != NULL) {
 
2400                 if (!strncmp(this_opt, "viafb_mode1=", 12))
 
2401                         viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
 
2402                 else if (!strncmp(this_opt, "viafb_mode=", 11))
 
2403                         viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
 
2404                 else if (!strncmp(this_opt, "viafb_bpp1=", 11))
 
2405                         strict_strtoul(this_opt + 11, 0,
 
2406                                 (unsigned long *)&viafb_bpp1);
 
2407                 else if (!strncmp(this_opt, "viafb_bpp=", 10))
 
2408                         strict_strtoul(this_opt + 10, 0,
 
2409                                 (unsigned long *)&viafb_bpp);
 
2410                 else if (!strncmp(this_opt, "viafb_refresh1=", 15))
 
2411                         strict_strtoul(this_opt + 15, 0,
 
2412                                 (unsigned long *)&viafb_refresh1);
 
2413                 else if (!strncmp(this_opt, "viafb_refresh=", 14))
 
2414                         strict_strtoul(this_opt + 14, 0,
 
2415                                 (unsigned long *)&viafb_refresh);
 
2416                 else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
 
2417                         strict_strtoul(this_opt + 21, 0,
 
2418                                 (unsigned long *)&viafb_lcd_dsp_method);
 
2419                 else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
 
2420                         strict_strtoul(this_opt + 19, 0,
 
2421                                 (unsigned long *)&viafb_lcd_panel_id);
 
2422                 else if (!strncmp(this_opt, "viafb_accel=", 12))
 
2423                         strict_strtoul(this_opt + 12, 0,
 
2424                                 (unsigned long *)&viafb_accel);
 
2425                 else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
 
2426                         strict_strtoul(this_opt + 14, 0,
 
2427                                 (unsigned long *)&viafb_SAMM_ON);
 
2428                 else if (!strncmp(this_opt, "viafb_active_dev=", 17))
 
2429                         viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
 
2430                 else if (!strncmp(this_opt,
 
2431                         "viafb_display_hardware_layout=", 30))
 
2432                         strict_strtoul(this_opt + 30, 0,
 
2433                         (unsigned long *)&viafb_display_hardware_layout);
 
2434                 else if (!strncmp(this_opt, "viafb_second_size=", 18))
 
2435                         strict_strtoul(this_opt + 18, 0,
 
2436                                 (unsigned long *)&viafb_second_size);
 
2437                 else if (!strncmp(this_opt,
 
2438                         "viafb_platform_epia_dvi=", 24))
 
2439                         strict_strtoul(this_opt + 24, 0,
 
2440                                 (unsigned long *)&viafb_platform_epia_dvi);
 
2441                 else if (!strncmp(this_opt,
 
2442                         "viafb_device_lcd_dualedge=", 26))
 
2443                         strict_strtoul(this_opt + 26, 0,
 
2444                                 (unsigned long *)&viafb_device_lcd_dualedge);
 
2445                 else if (!strncmp(this_opt, "viafb_bus_width=", 16))
 
2446                         strict_strtoul(this_opt + 16, 0,
 
2447                                 (unsigned long *)&viafb_bus_width);
 
2448                 else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
 
2449                         strict_strtoul(this_opt + 15, 0,
 
2450                                 (unsigned long *)&viafb_lcd_mode);
 
2451                 else if (!strncmp(this_opt, "viafb_video_dev=", 16))
 
2452                         viafb_video_dev = kstrdup(this_opt + 16, GFP_KERNEL);
 
2453                 else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
 
2454                         viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
 
2455                 else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
 
2456                         viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
 
2462 static int __init viafb_init(void)
 
2465         char *option = NULL;
 
2466         if (fb_get_options("viafb", &option))
 
2468         viafb_setup(option);
 
2471        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
 
2472                VERSION_MAJOR, VERSION_MINOR);
 
2473         return via_pci_probe();
 
2476 static void __exit viafb_exit(void)
 
2478         DEBUG_MSG(KERN_INFO "viafb_exit!\n");
 
2482 static struct fb_ops viafb_ops = {
 
2483         .owner = THIS_MODULE,
 
2484         .fb_open = viafb_open,
 
2485         .fb_release = viafb_release,
 
2486         .fb_check_var = viafb_check_var,
 
2487         .fb_set_par = viafb_set_par,
 
2488         .fb_setcolreg = viafb_setcolreg,
 
2489         .fb_pan_display = viafb_pan_display,
 
2490         .fb_blank = viafb_blank,
 
2491         .fb_fillrect = viafb_fillrect,
 
2492         .fb_copyarea = viafb_copyarea,
 
2493         .fb_imageblit = viafb_imageblit,
 
2494         .fb_cursor = viafb_cursor,
 
2495         .fb_ioctl = viafb_ioctl,
 
2496         .fb_sync = viafb_sync,
 
2497         .fb_setcmap = viafb_setcmap,
 
2500 module_init(viafb_init);
 
2501 module_exit(viafb_exit);
 
2504 module_param(viafb_memsize, int, 0);
 
2506 module_param(viafb_mode, charp, 0);
 
2507 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
 
2509 module_param(viafb_mode1, charp, 0);
 
2510 MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
 
2512 module_param(viafb_bpp, int, 0);
 
2513 MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
 
2515 module_param(viafb_bpp1, int, 0);
 
2516 MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
 
2518 module_param(viafb_refresh, int, 0);
 
2519 MODULE_PARM_DESC(viafb_refresh,
 
2520         "Set CRT viafb_refresh rate (default = 60)");
 
2522 module_param(viafb_refresh1, int, 0);
 
2523 MODULE_PARM_DESC(viafb_refresh1,
 
2524         "Set CRT refresh rate (default = 60)");
 
2526 module_param(viafb_lcd_panel_id, int, 0);
 
2527 MODULE_PARM_DESC(viafb_lcd_panel_id,
 
2528         "Set Flat Panel type(Default=1024x768)");
 
2530 module_param(viafb_lcd_dsp_method, int, 0);
 
2531 MODULE_PARM_DESC(viafb_lcd_dsp_method,
 
2532         "Set Flat Panel display scaling method.(Default=Expandsion)");
 
2534 module_param(viafb_SAMM_ON, int, 0);
 
2535 MODULE_PARM_DESC(viafb_SAMM_ON,
 
2536         "Turn on/off flag of SAMM(Default=OFF)");
 
2538 module_param(viafb_accel, int, 0);
 
2539 MODULE_PARM_DESC(viafb_accel,
 
2540         "Set 2D Hardware Acceleration.(Default = OFF)");
 
2542 module_param(viafb_active_dev, charp, 0);
 
2543 MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
 
2545 module_param(viafb_display_hardware_layout, int, 0);
 
2546 MODULE_PARM_DESC(viafb_display_hardware_layout,
 
2547         "Display Hardware Layout (LCD Only, DVI Only...,etc)");
 
2549 module_param(viafb_second_size, int, 0);
 
2550 MODULE_PARM_DESC(viafb_second_size,
 
2551         "Set secondary device memory size");
 
2553 module_param(viafb_dual_fb, int, 0);
 
2554 MODULE_PARM_DESC(viafb_dual_fb,
 
2555         "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
 
2557 module_param(viafb_platform_epia_dvi, int, 0);
 
2558 MODULE_PARM_DESC(viafb_platform_epia_dvi,
 
2559         "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
 
2561 module_param(viafb_device_lcd_dualedge, int, 0);
 
2562 MODULE_PARM_DESC(viafb_device_lcd_dualedge,
 
2563         "Turn on/off flag of dual edge panel.(Default = OFF)");
 
2565 module_param(viafb_bus_width, int, 0);
 
2566 MODULE_PARM_DESC(viafb_bus_width,
 
2567         "Set bus width of panel.(Default = 12)");
 
2569 module_param(viafb_lcd_mode, int, 0);
 
2570 MODULE_PARM_DESC(viafb_lcd_mode,
 
2571         "Set Flat Panel mode(Default=OPENLDI)");
 
2573 module_param(viafb_video_dev, charp, 0);
 
2574 MODULE_PARM_DESC(viafb_video_dev, "Specify video devices.");
 
2576 module_param(viafb_lcd_port, charp, 0);
 
2577 MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
 
2579 module_param(viafb_dvi_port, charp, 0);
 
2580 MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
 
2582 MODULE_LICENSE("GPL");