drivers/staging/sm750fb/sm750.c

   1 #include<linux/kernel.h>
   2 #include<linux/module.h>
   3 #include<linux/errno.h>
   4 #include<linux/string.h>
   5 #include<linux/mm.h>
   6 #include<linux/slab.h>
   7 #include<linux/delay.h>
   8 #include<linux/fb.h>
   9 #include<linux/ioport.h>
  10 #include<linux/init.h>
  11 #include<linux/pci.h>
  12 #include<linux/mm_types.h>
  13 #include<linux/vmalloc.h>
  14 #include<linux/pagemap.h>
  15 #include<linux/screen_info.h>
  16 #include<linux/vmalloc.h>
  17 #include<linux/pagemap.h>
  18 #include <linux/console.h>
  19 #include <asm/fb.h>
  20 #include "sm750.h"
  21 #include "sm750_hw.h"
  22 #include "sm750_accel.h"
  23 #include "sm750_cursor.h"
  24
  25 #include "modedb.h"
  26
  27 int smi_indent;
  28
  29 /*
  30  * #ifdef __BIG_ENDIAN
  31  * ssize_t lynxfb_ops_write(struct fb_info *info, const char __user *buf,
  32  * size_t count, loff_t *ppos);
  33  * ssize_t lynxfb_ops_read(struct fb_info *info, char __user *buf,
  34  * size_t count, loff_t *ppos);
  35  * #endif
  36  */
  37
  38 typedef void (*PROC_SPEC_SETUP)(struct lynx_share*, char *);
  39 typedef int (*PROC_SPEC_MAP)(struct lynx_share*, struct pci_dev*);
  40 typedef int (*PROC_SPEC_INITHW)(struct lynx_share*, struct pci_dev*);
  41
  42 /* common var for all device */
  43 static int g_hwcursor = 1;
  44 static int g_noaccel;
  45 static int g_nomtrr;
  46 static const char *g_fbmode[] = {NULL, NULL};
  47 static const char *g_def_fbmode = "800x600-16@60";
  48 static char *g_settings;
  49 static int g_dualview;
  50 static char *g_option;
  51
  52 static const struct fb_videomode lynx750_ext[] = {
  53         /*      1024x600-60 VESA        [1.71:1] */
  54         {NULL,  60, 1024, 600, 20423, 144,  40, 18, 1, 104, 3,
  55          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  56          FB_VMODE_NONINTERLACED},
  57
  58         /*      1024x600-70 VESA */
  59         {NULL,  70, 1024, 600, 17211, 152,  48, 21, 1, 104, 3,
  60          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  61          FB_VMODE_NONINTERLACED},
  62
  63         /*      1024x600-75 VESA */
  64         {NULL,  75, 1024, 600, 15822, 160,  56, 23, 1, 104, 3,
  65          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  66          FB_VMODE_NONINTERLACED},
  67
  68         /*      1024x600-85 VESA */
  69         {NULL,  85, 1024, 600, 13730, 168,  56, 26, 1, 112, 3,
  70          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  71          FB_VMODE_NONINTERLACED},
  72
  73         /*      720x480 */
  74         {NULL, 60,  720,  480,  37427, 88,   16, 13, 1,   72,  3,
  75          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  76          FB_VMODE_NONINTERLACED},
  77
  78         /*      1280x720                [1.78:1]        */
  79         {NULL, 60,  1280,  720,  13426, 162, 86, 22, 1,  136, 3,
  80          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  81          FB_VMODE_NONINTERLACED},
  82
  83         /*      1280x768@60 */
  84         {NULL, 60, 1280, 768, 12579, 192, 64, 20, 3, 128, 7,
  85          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  86          FB_VMODE_NONINTERLACED},
  87
  88         /*      1360 x 768      [1.77083:1]     */
  89         {NULL,  60, 1360, 768, 11804, 208,  64, 23, 1, 144, 3,
  90          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  91          FB_VMODE_NONINTERLACED},
  92
  93         /*      1368 x 768      [1.78:1]        */
  94         {NULL, 60,  1368,  768,  11647, 216, 72, 23, 1,  144, 3,
  95          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  96          FB_VMODE_NONINTERLACED},
  97
  98         /*      1440 x 900              [16:10] */
  99         {NULL, 60, 1440, 900, 9392, 232, 80, 28, 1, 152, 3,
 100          FB_SYNC_VERT_HIGH_ACT,
 101          FB_VMODE_NONINTERLACED},
 102
 103         /*      1440x960                [15:10] */
 104         {NULL, 60, 1440, 960, 8733, 240, 88, 30, 1, 152, 3,
 105          FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 106          FB_VMODE_NONINTERLACED},
 107
 108         /*      1920x1080       [16:9]  */
 109         {NULL, 60, 1920, 1080, 6734, 148, 88, 41, 1, 44, 3,
 110          FB_SYNC_VERT_HIGH_ACT,
 111          FB_VMODE_NONINTERLACED},
 112 };
 113
 114
 115 /* no hardware cursor supported under version 2.6.10, kernel bug */
 116 static int lynxfb_ops_cursor(struct fb_info *info, struct fb_cursor *fbcursor)
 117 {
 118         struct lynxfb_par *par;
 119         struct lynxfb_crtc *crtc;
 120         struct lynx_cursor *cursor;
 121
 122         par = info->par;
 123         crtc = &par->crtc;
 124         cursor = &crtc->cursor;
 125
 126         if (fbcursor->image.width > cursor->maxW ||
 127            fbcursor->image.height > cursor->maxH ||
 128            fbcursor->image.depth > 1) {
 129                 return -ENXIO;
 130         }
 131
 132         cursor->disable(cursor);
 133         if (fbcursor->set & FB_CUR_SETSIZE)
 134                 cursor->setSize(cursor,
 135                                 fbcursor->image.width,
 136                                 fbcursor->image.height);
 137
 138         if (fbcursor->set & FB_CUR_SETPOS)
 139                 cursor->setPos(cursor,
 140                                fbcursor->image.dx - info->var.xoffset,
 141                                fbcursor->image.dy - info->var.yoffset);
 142
 143         if (fbcursor->set & FB_CUR_SETCMAP) {
 144                 /* get the 16bit color of kernel means */
 145                 u16 fg, bg;
 146
 147                 fg = ((info->cmap.red[fbcursor->image.fg_color] & 0xf800)) |
 148                       ((info->cmap.green[fbcursor->image.fg_color] & 0xfc00) >> 5) |
 149                       ((info->cmap.blue[fbcursor->image.fg_color] & 0xf800) >> 11);
 150
 151                 bg = ((info->cmap.red[fbcursor->image.bg_color] & 0xf800)) |
 152                       ((info->cmap.green[fbcursor->image.bg_color] & 0xfc00) >> 5) |
 153                       ((info->cmap.blue[fbcursor->image.bg_color] & 0xf800) >> 11);
 154
 155                 cursor->setColor(cursor, fg, bg);
 156         }
 157
 158         if (fbcursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) {
 159                 cursor->setData(cursor,
 160                                 fbcursor->rop,
 161                                 fbcursor->image.data,
 162                                 fbcursor->mask);
 163         }
 164
 165         if (fbcursor->enable)
 166                 cursor->enable(cursor);
 167
 168         return 0;
 169 }
 170
 171 static void lynxfb_ops_fillrect(struct fb_info *info,
 172                                 const struct fb_fillrect *region)
 173 {
 174         struct lynxfb_par *par;
 175         struct lynx_share *share;
 176         unsigned int base, pitch, Bpp, rop;
 177         u32 color;
 178
 179         if (info->state != FBINFO_STATE_RUNNING)
 180                 return;
 181
 182         par = info->par;
 183         share = par->share;
 184
 185         /*
 186          * each time 2d function begin to work,below three variable always need
 187          * be set, seems we can put them together in some place
 188          */
 189         base = par->crtc.oScreen;
 190         pitch = info->fix.line_length;
 191         Bpp = info->var.bits_per_pixel >> 3;
 192
 193         color = (Bpp == 1) ? region->color :
 194                 ((u32 *)info->pseudo_palette)[region->color];
 195         rop = (region->rop != ROP_COPY) ? HW_ROP2_XOR : HW_ROP2_COPY;
 196
 197         /*
 198          * If not use spin_lock,system will die if user load driver
 199          * and immediately unload driver frequently (dual)
 200          */
 201         if (share->dual)
 202                 spin_lock(&share->slock);
 203
 204         share->accel.de_fillrect(&share->accel,
 205                                  base, pitch, Bpp,
 206                                  region->dx, region->dy,
 207                                  region->width, region->height,
 208                                  color, rop);
 209         if (share->dual)
 210                 spin_unlock(&share->slock);
 211 }
 212
 213 static void lynxfb_ops_copyarea(struct fb_info *info,
 214                                 const struct fb_copyarea *region)
 215 {
 216         struct lynxfb_par *par;
 217         struct lynx_share *share;
 218         unsigned int base, pitch, Bpp;
 219
 220         par = info->par;
 221         share = par->share;
 222
 223         /*
 224          * each time 2d function begin to work,below three variable always need
 225          * be set, seems we can put them together in some place
 226          */
 227         base = par->crtc.oScreen;
 228         pitch = info->fix.line_length;
 229         Bpp = info->var.bits_per_pixel >> 3;
 230
 231         /*
 232          * If not use spin_lock, system will die if user load driver
 233          * and immediately unload driver frequently (dual)
 234          */
 235         if (share->dual)
 236                 spin_lock(&share->slock);
 237
 238         share->accel.de_copyarea(&share->accel,
 239                                  base, pitch, region->sx, region->sy,
 240                                  base, pitch, Bpp, region->dx, region->dy,
 241                                  region->width, region->height, HW_ROP2_COPY);
 242         if (share->dual)
 243                 spin_unlock(&share->slock);
 244 }
 245
 246 static void lynxfb_ops_imageblit(struct fb_info *info,
 247                                  const struct fb_image *image)
 248 {
 249         unsigned int base, pitch, Bpp;
 250         unsigned int fgcol, bgcol;
 251         struct lynxfb_par *par;
 252         struct lynx_share *share;
 253
 254         par = info->par;
 255         share = par->share;
 256         /*
 257          * each time 2d function begin to work,below three variable always need
 258          * be set, seems we can put them together in some place
 259          */
 260         base = par->crtc.oScreen;
 261         pitch = info->fix.line_length;
 262         Bpp = info->var.bits_per_pixel >> 3;
 263
 264         /* TODO: Implement hardware acceleration for image->depth > 1 */
 265         if (image->depth != 1) {
 266                 cfb_imageblit(info, image);
 267                 return;
 268         }
 269
 270         if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
 271             info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
 272                 fgcol = ((u32 *)info->pseudo_palette)[image->fg_color];
 273                 bgcol = ((u32 *)info->pseudo_palette)[image->bg_color];
 274         } else {
 275                 fgcol = image->fg_color;
 276                 bgcol = image->bg_color;
 277         }
 278
 279         /*
 280          * If not use spin_lock, system will die if user load driver
 281          * and immediately unload driver frequently (dual)
 282          */
 283         if (share->dual)
 284                 spin_lock(&share->slock);
 285
 286         share->accel.de_imageblit(&share->accel,
 287                                   image->data, image->width >> 3, 0,
 288                                   base, pitch, Bpp,
 289                                   image->dx, image->dy,
 290                                   image->width, image->height,
 291                                   fgcol, bgcol, HW_ROP2_COPY);
 292         if (share->dual)
 293                 spin_unlock(&share->slock);
 294 }
 295
 296 static int lynxfb_ops_pan_display(struct fb_var_screeninfo *var,
 297                                   struct fb_info *info)
 298 {
 299         struct lynxfb_par *par;
 300         struct lynxfb_crtc *crtc;
 301
 302         if (!info)
 303                 return -EINVAL;
 304
 305         par = info->par;
 306         crtc = &par->crtc;
 307         return crtc->proc_panDisplay(crtc, var, info);
 308 }
 309
 310 static int lynxfb_ops_set_par(struct fb_info *info)
 311 {
 312         struct lynxfb_par *par;
 313         struct lynx_share *share;
 314         struct lynxfb_crtc *crtc;
 315         struct lynxfb_output *output;
 316         struct fb_var_screeninfo *var;
 317         struct fb_fix_screeninfo *fix;
 318         int ret;
 319         unsigned int line_length;
 320
 321         if (!info)
 322                 return -EINVAL;
 323
 324         ret = 0;
 325         par = info->par;
 326         share = par->share;
 327         crtc = &par->crtc;
 328         output = &par->output;
 329         var = &info->var;
 330         fix = &info->fix;
 331
 332         /* fix structur is not so FIX ... */
 333         line_length = var->xres_virtual * var->bits_per_pixel / 8;
 334         line_length = PADDING(crtc->line_pad, line_length);
 335         fix->line_length = line_length;
 336         pr_info("fix->line_length = %d\n", fix->line_length);
 337
 338         /*
 339          * var->red,green,blue,transp are need to be set by driver
 340          * and these data should be set before setcolreg routine
 341          */
 342
 343         switch (var->bits_per_pixel) {
 344         case 8:
 345                 fix->visual = FB_VISUAL_PSEUDOCOLOR;
 346                 var->red.offset = 0;
 347                 var->red.length = 8;
 348                 var->green.offset = 0;
 349                 var->green.length = 8;
 350                 var->blue.offset = 0;
 351                 var->blue.length = 8;
 352                 var->transp.length = 0;
 353                 var->transp.offset = 0;
 354                 break;
 355         case 16:
 356                 var->red.offset = 11;
 357                 var->red.length = 5;
 358                 var->green.offset = 5;
 359                 var->green.length = 6;
 360                 var->blue.offset = 0;
 361                 var->blue.length = 5;
 362                 var->transp.length = 0;
 363                 var->transp.offset = 0;
 364                 fix->visual = FB_VISUAL_TRUECOLOR;
 365                 break;
 366         case 24:
 367         case 32:
 368                 var->red.offset = 16;
 369                 var->red.length = 8;
 370                 var->green.offset = 8;
 371                 var->green.length = 8;
 372                 var->blue.offset = 0;
 373                 var->blue.length = 8;
 374                 fix->visual = FB_VISUAL_TRUECOLOR;
 375                 break;
 376         default:
 377                 ret = -EINVAL;
 378                 break;
 379         }
 380         var->height = var->width = -1;
 381         var->accel_flags = 0;/*FB_ACCELF_TEXT;*/
 382
 383         if (ret) {
 384                 pr_err("pixel bpp format not satisfied\n.");
 385                 return ret;
 386         }
 387         ret = crtc->proc_setMode(crtc, var, fix);
 388         if (!ret)
 389                 ret = output->proc_setMode(output, var, fix);
 390         return ret;
 391 }
 392
 393 static inline unsigned int chan_to_field(unsigned int chan,
 394                                          struct fb_bitfield *bf)
 395 {
 396         chan &= 0xffff;
 397         chan >>= 16 - bf->length;
 398         return chan << bf->offset;
 399 }
 400
 401 #ifdef CONFIG_PM
 402 static int lynxfb_suspend(struct pci_dev *pdev, pm_message_t mesg)
 403 {
 404         struct fb_info *info;
 405         struct lynx_share *share;
 406         int ret;
 407
 408         if (mesg.event == pdev->dev.power.power_state.event)
 409                 return 0;
 410
 411         ret = 0;
 412         share = pci_get_drvdata(pdev);
 413         switch (mesg.event) {
 414         case PM_EVENT_FREEZE:
 415         case PM_EVENT_PRETHAW:
 416                 pdev->dev.power.power_state = mesg;
 417                 return 0;
 418         }
 419
 420         console_lock();
 421         if (mesg.event & PM_EVENT_SLEEP) {
 422                 info = share->fbinfo[0];
 423                 if (info)
 424                         /* 1 means do suspend */
 425                         fb_set_suspend(info, 1);
 426                 info = share->fbinfo[1];
 427                 if (info)
 428                         /* 1 means do suspend */
 429                         fb_set_suspend(info, 1);
 430
 431                 ret = pci_save_state(pdev);
 432                 if (ret) {
 433                         pr_err("error:%d occurred in pci_save_state\n", ret);
 434                         return ret;
 435                 }
 436
 437                 /* set chip to sleep mode */
 438                 if (share->suspend)
 439                         (*share->suspend)(share);
 440
 441                 pci_disable_device(pdev);
 442                 ret = pci_set_power_state(pdev, pci_choose_state(pdev, mesg));
 443                 if (ret) {
 444                         pr_err("error:%d occurred in pci_set_power_state\n", ret);
 445                         return ret;
 446                 }
 447         }
 448
 449         pdev->dev.power.power_state = mesg;
 450         console_unlock();
 451         return ret;
 452 }
 453
 454 static int lynxfb_resume(struct pci_dev *pdev)
 455 {
 456         struct fb_info *info;
 457         struct lynx_share *share;
 458
 459         struct lynxfb_par *par;
 460         struct lynxfb_crtc *crtc;
 461         struct lynx_cursor *cursor;
 462
 463         int ret;
 464
 465         ret = 0;
 466         share = pci_get_drvdata(pdev);
 467
 468         console_lock();
 469
 470         ret = pci_set_power_state(pdev, PCI_D0);
 471         if (ret) {
 472                 pr_err("error:%d occurred in pci_set_power_state\n", ret);
 473                 return ret;
 474         }
 475
 476         if (pdev->dev.power.power_state.event != PM_EVENT_FREEZE) {
 477                 pci_restore_state(pdev);
 478                 ret = pci_enable_device(pdev);
 479                 if (ret) {
 480                         pr_err("error:%d occurred in pci_enable_device\n", ret);
 481                         return ret;
 482                 }
 483                 pci_set_master(pdev);
 484         }
 485         if (share->resume)
 486                 (*share->resume)(share);
 487
 488         hw_sm750_inithw(share, pdev);
 489
 490         info = share->fbinfo[0];
 491
 492         if (info) {
 493                 par = info->par;
 494                 crtc = &par->crtc;
 495                 cursor = &crtc->cursor;
 496                 memset_io(cursor->vstart, 0x0, cursor->size);
 497                 memset_io(crtc->vScreen, 0x0, crtc->vidmem_size);
 498                 lynxfb_ops_set_par(info);
 499                 fb_set_suspend(info, 0);
 500         }
 501
 502         info = share->fbinfo[1];
 503
 504         if (info) {
 505                 par = info->par;
 506                 crtc = &par->crtc;
 507                 cursor = &crtc->cursor;
 508                 memset_io(cursor->vstart, 0x0, cursor->size);
 509                 memset_io(crtc->vScreen, 0x0, crtc->vidmem_size);
 510                 lynxfb_ops_set_par(info);
 511                 fb_set_suspend(info, 0);
 512         }
 513
 514         console_unlock();
 515         return ret;
 516 }
 517 #endif
 518
 519 static int lynxfb_ops_check_var(struct fb_var_screeninfo *var,
 520                                 struct fb_info *info)
 521 {
 522         struct lynxfb_par *par;
 523         struct lynxfb_crtc *crtc;
 524         struct lynxfb_output *output;
 525         struct lynx_share *share;
 526         int ret;
 527         resource_size_t request;
 528
 529         par = info->par;
 530         crtc = &par->crtc;
 531         output = &par->output;
 532         share = par->share;
 533         ret = 0;
 534
 535         pr_debug("check var:%dx%d-%d\n",
 536                  var->xres,
 537                  var->yres,
 538                  var->bits_per_pixel);
 539
 540         switch (var->bits_per_pixel) {
 541         case 8:
 542         case 16:
 543         case 24: /* support 24 bpp for only lynx712/722/720 */
 544         case 32:
 545                 break;
 546         default:
 547                 pr_err("bpp %d not supported\n", var->bits_per_pixel);
 548                 ret = -EINVAL;
 549                 goto exit;
 550         }
 551
 552         switch (var->bits_per_pixel) {
 553         case 8:
 554                 info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
 555                 var->red.offset = 0;
 556                 var->red.length = 8;
 557                 var->green.offset = 0;
 558                 var->green.length = 8;
 559                 var->blue.offset = 0;
 560                 var->blue.length = 8;
 561                 var->transp.length = 0;
 562                 var->transp.offset = 0;
 563                 break;
 564         case 16:
 565                 var->red.offset = 11;
 566                 var->red.length = 5;
 567                 var->green.offset = 5;
 568                 var->green.length = 6;
 569                 var->blue.offset = 0;
 570                 var->blue.length = 5;
 571                 var->transp.length = 0;
 572                 var->transp.offset = 0;
 573                 info->fix.visual = FB_VISUAL_TRUECOLOR;
 574                 break;
 575         case 24:
 576         case 32:
 577                 var->red.offset = 16;
 578                 var->red.length = 8;
 579                 var->green.offset = 8;
 580                 var->green.length = 8;
 581                 var->blue.offset = 0;
 582                 var->blue.length = 8;
 583                 info->fix.visual = FB_VISUAL_TRUECOLOR;
 584                 break;
 585         default:
 586                 ret = -EINVAL;
 587                 break;
 588         }
 589         var->height = var->width = -1;
 590         var->accel_flags = 0;/* FB_ACCELF_TEXT; */
 591
 592         /* check if current fb's video memory big enought to hold the onscreen*/
 593         request = var->xres_virtual * (var->bits_per_pixel >> 3);
 594         /* defaulty crtc->channel go with par->index */
 595
 596         request = PADDING(crtc->line_pad, request);
 597         request = request * var->yres_virtual;
 598         if (crtc->vidmem_size < request) {
 599                 pr_err("not enough video memory for mode\n");
 600                 return -ENOMEM;
 601         }
 602
 603         ret = output->proc_checkMode(output, var);
 604         if (!ret)
 605                 ret = crtc->proc_checkMode(crtc, var);
 606 exit:
 607         return ret;
 608 }
 609
 610 static int lynxfb_ops_setcolreg(unsigned regno,
 611                                 unsigned red,
 612                                 unsigned green,
 613                                 unsigned blue,
 614                                 unsigned transp,
 615                                 struct fb_info *info)
 616 {
 617         struct lynxfb_par *par;
 618         struct lynxfb_crtc *crtc;
 619         struct fb_var_screeninfo *var;
 620         int ret;
 621
 622         par = info->par;
 623         crtc = &par->crtc;
 624         var = &info->var;
 625         ret = 0;
 626
 627         if (regno > 256) {
 628                 pr_err("regno = %d\n", regno);
 629                 return -EINVAL;
 630         }
 631
 632         if (info->var.grayscale)
 633                 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
 634
 635         if (var->bits_per_pixel == 8 &&
 636             info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
 637                 red >>= 8;
 638                 green >>= 8;
 639                 blue >>= 8;
 640                 ret = crtc->proc_setColReg(crtc, regno, red, green, blue);
 641                 goto exit;
 642         }
 643
 644         if (info->fix.visual == FB_VISUAL_TRUECOLOR && regno < 256) {
 645                 u32 val;
 646
 647                 if (var->bits_per_pixel == 16 ||
 648                     var->bits_per_pixel == 32 ||
 649                     var->bits_per_pixel == 24) {
 650                         val = chan_to_field(red, &var->red);
 651                         val |= chan_to_field(green, &var->green);
 652                         val |= chan_to_field(blue, &var->blue);
 653                         par->pseudo_palette[regno] = val;
 654                         goto exit;
 655                 }
 656         }
 657
 658         ret = -EINVAL;
 659
 660 exit:
 661         return ret;
 662 }
 663
 664 static int lynxfb_ops_blank(int blank, struct fb_info *info)
 665 {
 666         struct lynxfb_par *par;
 667         struct lynxfb_output *output;
 668
 669         pr_debug("blank = %d.\n", blank);
 670         par = info->par;
 671         output = &par->output;
 672         return output->proc_setBLANK(output, blank);
 673 }
 674
 675 static int sm750fb_set_drv(struct lynxfb_par *par)
 676 {
 677         int ret;
 678         struct lynx_share *share;
 679         struct sm750_share *spec_share;
 680         struct lynxfb_output *output;
 681         struct lynxfb_crtc *crtc;
 682
 683         ret = 0;
 684
 685         share = par->share;
 686         spec_share = container_of(share, struct sm750_share, share);
 687         output = &par->output;
 688         crtc = &par->crtc;
 689
 690         crtc->vidmem_size = (share->dual) ? share->vidmem_size >> 1 :
 691                              share->vidmem_size;
 692         /* setup crtc and output member */
 693         spec_share->hwCursor = g_hwcursor;
 694
 695         crtc->proc_setMode = hw_sm750_crtc_setMode;
 696         crtc->proc_checkMode = hw_sm750_crtc_checkMode;
 697         crtc->proc_setColReg = hw_sm750_setColReg;
 698         crtc->proc_panDisplay = hw_sm750_pan_display;
 699         crtc->clear = hw_sm750_crtc_clear;
 700         crtc->line_pad = 16;
 701         crtc->xpanstep = 8;
 702         crtc->ypanstep = 1;
 703         crtc->ywrapstep = 0;
 704
 705         output->proc_setMode = hw_sm750_output_setMode;
 706         output->proc_checkMode = hw_sm750_output_checkMode;
 707
 708         output->proc_setBLANK = (share->revid == SM750LE_REVISION_ID) ?
 709                                  hw_sm750le_setBLANK : hw_sm750_setBLANK;
 710         output->clear = hw_sm750_output_clear;
 711         /* chip specific phase */
 712         share->accel.de_wait = (share->revid == SM750LE_REVISION_ID) ?
 713                                 hw_sm750le_deWait : hw_sm750_deWait;
 714         switch (spec_share->state.dataflow) {
 715         case sm750_simul_pri:
 716                 output->paths = sm750_pnc;
 717                 crtc->channel = sm750_primary;
 718                 crtc->oScreen = 0;
 719                 crtc->vScreen = share->pvMem;
 720                 pr_info("use simul primary mode\n");
 721                 break;
 722         case sm750_simul_sec:
 723                 output->paths = sm750_pnc;
 724                 crtc->channel = sm750_secondary;
 725                 crtc->oScreen = 0;
 726                 crtc->vScreen = share->pvMem;
 727                 break;
 728         case sm750_dual_normal:
 729                 if (par->index == 0) {
 730                         output->paths = sm750_panel;
 731                         crtc->channel = sm750_primary;
 732                         crtc->oScreen = 0;
 733                         crtc->vScreen = share->pvMem;
 734                 } else {
 735                         output->paths = sm750_crt;
 736                         crtc->channel = sm750_secondary;
 737                         /* not consider of padding stuffs for oScreen,need fix */
 738                         crtc->oScreen = (share->vidmem_size >> 1);
 739                         crtc->vScreen = share->pvMem + crtc->oScreen;
 740                 }
 741                 break;
 742         case sm750_dual_swap:
 743                 if (par->index == 0) {
 744                         output->paths = sm750_panel;
 745                         crtc->channel = sm750_secondary;
 746                         crtc->oScreen = 0;
 747                         crtc->vScreen = share->pvMem;
 748                 } else {
 749                         output->paths = sm750_crt;
 750                         crtc->channel = sm750_primary;
 751                         /* not consider of padding stuffs for oScreen,need fix */
 752                         crtc->oScreen = (share->vidmem_size >> 1);
 753                         crtc->vScreen = share->pvMem + crtc->oScreen;
 754                 }
 755                 break;
 756         default:
 757                 ret = -EINVAL;
 758         }
 759
 760         return ret;
 761 }
 762
 763 static struct fb_ops lynxfb_ops = {
 764         .owner = THIS_MODULE,
 765         .fb_check_var =  lynxfb_ops_check_var,
 766         .fb_set_par = lynxfb_ops_set_par,
 767         .fb_setcolreg = lynxfb_ops_setcolreg,
 768         .fb_blank = lynxfb_ops_blank,
 769         .fb_fillrect = cfb_fillrect,
 770         .fb_imageblit = cfb_imageblit,
 771         .fb_copyarea = cfb_copyarea,
 772         /* cursor */
 773         .fb_cursor = lynxfb_ops_cursor,
 774 };
 775
 776 static int lynxfb_set_fbinfo(struct fb_info *info, int index)
 777 {
 778         int i;
 779         struct lynxfb_par *par;
 780         struct lynx_share *share;
 781         struct lynxfb_crtc *crtc;
 782         struct lynxfb_output *output;
 783         struct fb_var_screeninfo *var;
 784         struct fb_fix_screeninfo *fix;
 785
 786         const struct fb_videomode *pdb[] = {
 787                 lynx750_ext, NULL, vesa_modes,
 788         };
 789         int cdb[] = {ARRAY_SIZE(lynx750_ext), 0, VESA_MODEDB_SIZE};
 790         static const char *mdb_desc[] = {
 791                 "driver prepared modes",
 792                 "kernel prepared default modedb",
 793                 "kernel HELPERS prepared vesa_modes",
 794         };
 795
 796         static const char *fixId[2] = {
 797                 "sm750_fb1", "sm750_fb2",
 798         };
 799
 800         int ret, line_length;
 801
 802         ret = 0;
 803         par = (struct lynxfb_par *)info->par;
 804         share = par->share;
 805         crtc = &par->crtc;
 806         output = &par->output;
 807         var = &info->var;
 808         fix = &info->fix;
 809
 810         /* set index */
 811         par->index = index;
 812         output->channel = &crtc->channel;
 813         sm750fb_set_drv(par);
 814         lynxfb_ops.fb_pan_display = lynxfb_ops_pan_display;
 815
 816         /*
 817          * set current cursor variable and proc pointer,
 818          * must be set after crtc member initialized
 819          */
 820         crtc->cursor.offset = crtc->oScreen + crtc->vidmem_size - 1024;
 821         crtc->cursor.mmio = share->pvReg + 0x800f0 + (int)crtc->channel * 0x140;
 822
 823         pr_info("crtc->cursor.mmio = %p\n", crtc->cursor.mmio);
 824         crtc->cursor.maxH = crtc->cursor.maxW = 64;
 825         crtc->cursor.size = crtc->cursor.maxH * crtc->cursor.maxW * 2 / 8;
 826         crtc->cursor.disable = hw_cursor_disable;
 827         crtc->cursor.enable = hw_cursor_enable;
 828         crtc->cursor.setColor = hw_cursor_setColor;
 829         crtc->cursor.setPos = hw_cursor_setPos;
 830         crtc->cursor.setSize = hw_cursor_setSize;
 831         crtc->cursor.setData = hw_cursor_setData;
 832         crtc->cursor.vstart = share->pvMem + crtc->cursor.offset;
 833
 834         crtc->cursor.share = share;
 835                 memset_io(crtc->cursor.vstart, 0, crtc->cursor.size);
 836         if (!g_hwcursor) {
 837                 lynxfb_ops.fb_cursor = NULL;
 838                 crtc->cursor.disable(&crtc->cursor);
 839         }
 840
 841         /* set info->fbops, must be set before fb_find_mode */
 842         if (!share->accel_off) {
 843                 /* use 2d acceleration */
 844                 lynxfb_ops.fb_fillrect = lynxfb_ops_fillrect;
 845                 lynxfb_ops.fb_copyarea = lynxfb_ops_copyarea;
 846                 lynxfb_ops.fb_imageblit = lynxfb_ops_imageblit;
 847         }
 848         info->fbops = &lynxfb_ops;
 849
 850         if (!g_fbmode[index]) {
 851                 g_fbmode[index] = g_def_fbmode;
 852                 if (index)
 853                         g_fbmode[index] = g_fbmode[0];
 854         }
 855
 856         for (i = 0; i < 3; i++) {
 857
 858                 ret = fb_find_mode(var, info, g_fbmode[index],
 859                                    pdb[i], cdb[i], NULL, 8);
 860
 861                 if (ret == 1) {
 862                         pr_info("success! use specified mode:%s in %s\n",
 863                                 g_fbmode[index],
 864                                 mdb_desc[i]);
 865                         break;
 866                 } else if (ret == 2) {
 867                         pr_warn("use specified mode:%s in %s,with an ignored refresh rate\n",
 868                                 g_fbmode[index],
 869                                 mdb_desc[i]);
 870                         break;
 871                 } else if (ret == 3) {
 872                         pr_warn("wanna use default mode\n");
 873                         /*break;*/
 874                 } else if (ret == 4) {
 875                         pr_warn("fall back to any valid mode\n");
 876                 } else {
 877                         pr_warn("ret = %d,fb_find_mode failed,with %s\n",
 878                                 ret,
 879                                 mdb_desc[i]);
 880                 }
 881         }
 882
 883         /* some member of info->var had been set by fb_find_mode */
 884
 885         pr_info("Member of info->var is :\n\
 886                 xres=%d\n\
 887                 yres=%d\n\
 888                 xres_virtual=%d\n\
 889                 yres_virtual=%d\n\
 890                 xoffset=%d\n\
 891                 yoffset=%d\n\
 892                 bits_per_pixel=%d\n \
 893                 ...\n",
 894                 var->xres,
 895                 var->yres,
 896                 var->xres_virtual,
 897                 var->yres_virtual,
 898                 var->xoffset,
 899                 var->yoffset,
 900                 var->bits_per_pixel);
 901
 902         /* set par */
 903         par->info = info;
 904
 905         /* set info */
 906         line_length = PADDING(crtc->line_pad,
 907                               (var->xres_virtual * var->bits_per_pixel / 8));
 908
 909         info->pseudo_palette = &par->pseudo_palette[0];
 910         info->screen_base = crtc->vScreen;
 911         pr_debug("screen_base vaddr = %p\n", info->screen_base);
 912         info->screen_size = line_length * var->yres_virtual;
 913         info->flags = FBINFO_FLAG_DEFAULT | 0;
 914
 915         /* set info->fix */
 916         fix->type = FB_TYPE_PACKED_PIXELS;
 917         fix->type_aux = 0;
 918         fix->xpanstep = crtc->xpanstep;
 919         fix->ypanstep = crtc->ypanstep;
 920         fix->ywrapstep = crtc->ywrapstep;
 921         fix->accel = FB_ACCEL_SMI;
 922
 923         strlcpy(fix->id, fixId[index], sizeof(fix->id));
 924
 925         fix->smem_start = crtc->oScreen + share->vidmem_start;
 926         pr_info("fix->smem_start = %lx\n", fix->smem_start);
 927         /*
 928          * according to mmap experiment from user space application,
 929          * fix->mmio_len should not larger than virtual size
 930          * (xres_virtual x yres_virtual x ByPP)
 931          * Below line maybe buggy when user mmap fb dev node and write
 932          * data into the bound over virtual size
 933          */
 934         fix->smem_len = crtc->vidmem_size;
 935         pr_info("fix->smem_len = %x\n", fix->smem_len);
 936         info->screen_size = fix->smem_len;
 937         fix->line_length = line_length;
 938         fix->mmio_start = share->vidreg_start;
 939         pr_info("fix->mmio_start = %lx\n", fix->mmio_start);
 940         fix->mmio_len = share->vidreg_size;
 941         pr_info("fix->mmio_len = %x\n", fix->mmio_len);
 942         switch (var->bits_per_pixel) {
 943         case 8:
 944                 fix->visual = FB_VISUAL_PSEUDOCOLOR;
 945                 break;
 946         case 16:
 947         case 32:
 948                 fix->visual = FB_VISUAL_TRUECOLOR;
 949                 break;
 950         }
 951
 952         /* set var */
 953         var->activate = FB_ACTIVATE_NOW;
 954         var->accel_flags = 0;
 955         var->vmode = FB_VMODE_NONINTERLACED;
 956
 957         pr_debug("#1 show info->cmap :\nstart=%d,len=%d,red=%p,green=%p,blue=%p,transp=%p\n",
 958                  info->cmap.start, info->cmap.len,
 959                  info->cmap.red, info->cmap.green, info->cmap.blue,
 960                  info->cmap.transp);
 961
 962         ret = fb_alloc_cmap(&info->cmap, 256, 0);
 963         if (ret < 0) {
 964                 pr_err("Could not allocate memory for cmap.\n");
 965                 goto exit;
 966         }
 967
 968         pr_debug("#2 show info->cmap :\nstart=%d,len=%d,red=%p,green=%p,blue=%p,transp=%p\n",
 969                  info->cmap.start, info->cmap.len,
 970                  info->cmap.red, info->cmap.green, info->cmap.blue,
 971                  info->cmap.transp);
 972
 973 exit:
 974         lynxfb_ops_check_var(var, info);
 975         return ret;
 976 }
 977
 978 /*      chip specific g_option configuration routine */
 979 static void sm750fb_setup(struct lynx_share *share, char *src)
 980 {
 981         struct sm750_share *spec_share;
 982         char *opt;
 983 #ifdef CAP_EXPENSION
 984         char *exp_res;
 985 #endif
 986         int swap;
 987
 988         spec_share = container_of(share, struct sm750_share, share);
 989 #ifdef CAP_EXPENSIION
 990         exp_res = NULL;
 991 #endif
 992         swap = 0;
 993
 994         spec_share->state.initParm.chip_clk = 0;
 995         spec_share->state.initParm.mem_clk = 0;
 996         spec_share->state.initParm.master_clk = 0;
 997         spec_share->state.initParm.powerMode = 0;
 998         spec_share->state.initParm.setAllEngOff = 0;
 999         spec_share->state.initParm.resetMemory = 1;
1000
1001         /* defaultly turn g_hwcursor on for both view */
1002         g_hwcursor = 3;
1003
1004         if (!src || !*src) {
1005                 pr_warn("no specific g_option.\n");
1006                 goto NO_PARAM;
1007         }
1008
1009         while ((opt = strsep(&src, ":")) != NULL && *opt != 0) {
1010                 pr_info("opt=%s\n", opt);
1011                 pr_info("src=%s\n", src);
1012
1013                 if (!strncmp(opt, "swap", strlen("swap")))
1014                         swap = 1;
1015                 else if (!strncmp(opt, "nocrt", strlen("nocrt")))
1016                         spec_share->state.nocrt = 1;
1017                 else if (!strncmp(opt, "36bit", strlen("36bit")))
1018                         spec_share->state.pnltype = sm750_doubleTFT;
1019                 else if (!strncmp(opt, "18bit", strlen("18bit")))
1020                         spec_share->state.pnltype = sm750_dualTFT;
1021                 else if (!strncmp(opt, "24bit", strlen("24bit")))
1022                         spec_share->state.pnltype = sm750_24TFT;
1023 #ifdef CAP_EXPANSION
1024                 else if (!strncmp(opt, "exp:", strlen("exp:")))
1025                         exp_res = opt + strlen("exp:");
1026 #endif
1027                 else if (!strncmp(opt, "nohwc0", strlen("nohwc0")))
1028                         g_hwcursor &= ~0x1;
1029                 else if (!strncmp(opt, "nohwc1", strlen("nohwc1")))
1030                         g_hwcursor &= ~0x2;
1031                 else if (!strncmp(opt, "nohwc", strlen("nohwc")))
1032                         g_hwcursor = 0;
1033                 else {
1034                         if (!g_fbmode[0]) {
1035                                 g_fbmode[0] = opt;
1036                                 pr_info("find fbmode0 : %s\n", g_fbmode[0]);
1037                         } else if (!g_fbmode[1]) {
1038                                 g_fbmode[1] = opt;
1039                                 pr_info("find fbmode1 : %s\n", g_fbmode[1]);
1040                         } else {
1041                                 pr_warn("How many view you wann set?\n");
1042                         }
1043                 }
1044         }
1045 #ifdef CAP_EXPANSION
1046         if (getExpRes(exp_res,
1047                       &spec_share->state.xLCD,
1048                       &spec_share->state.yLCD)) {
1049                 /* seems exp_res is not valid */
1050                 spec_share->state.xLCD = spec_share->state.yLCD = 0;
1051         }
1052 #endif
1053
1054 NO_PARAM:
1055         if (share->revid != SM750LE_REVISION_ID) {
1056                 if (share->dual) {
1057                         if (swap)
1058                                 spec_share->state.dataflow = sm750_dual_swap;
1059                         else
1060                                 spec_share->state.dataflow = sm750_dual_normal;
1061                 } else {
1062                         if (swap)
1063                                 spec_share->state.dataflow = sm750_simul_sec;
1064                         else
1065                                 spec_share->state.dataflow = sm750_simul_pri;
1066                 }
1067         } else {
1068                 /* SM750LE only have one crt channel */
1069                 spec_share->state.dataflow = sm750_simul_sec;
1070                 /* sm750le do not have complex attributes */
1071                 spec_share->state.nocrt = 0;
1072         }
1073 }
1074
1075 static int lynxfb_pci_probe(struct pci_dev *pdev,
1076                             const struct pci_device_id *ent)
1077 {
1078         struct fb_info *info[] = {NULL, NULL};
1079         struct lynx_share *share = NULL;
1080
1081         struct sm750_share *spec_share = NULL;
1082         size_t spec_offset = 0;
1083         int fbidx;
1084
1085         /* enable device */
1086         if (pci_enable_device(pdev)) {
1087                 pr_err("can not enable device.\n");
1088                 goto err_enable;
1089         }
1090
1091         /*
1092          * though offset of share in sm750_share is 0,
1093          * we use this marcro as the same
1094          */
1095         spec_offset = offsetof(struct sm750_share, share);
1096
1097         spec_share = kzalloc(sizeof(*spec_share), GFP_KERNEL);
1098         if (!spec_share) {
1099                 pr_err("Could not allocate memory for share.\n");
1100                 goto err_share;
1101         }
1102
1103         /* setting share structure */
1104         share = (struct lynx_share *)(&(spec_share->share));
1105         share->fbinfo[0] = share->fbinfo[1] = NULL;
1106         share->devid = pdev->device;
1107         share->revid = pdev->revision;
1108
1109         pr_info("share->revid = %02x\n", share->revid);
1110         share->pdev = pdev;
1111         share->mtrr_off = g_nomtrr;
1112         share->mtrr.vram = 0;
1113         share->accel_off = g_noaccel;
1114         share->dual = g_dualview;
1115         spin_lock_init(&share->slock);
1116
1117         if (!share->accel_off) {
1118                 /*
1119                  * hook deInit and 2d routines, notes that below hw_xxx
1120                  * routine can work on most of lynx chips
1121                  * if some chip need specific function,
1122                  * please hook it in smXXX_set_drv routine
1123                  */
1124                 share->accel.de_init = hw_de_init;
1125                 share->accel.de_fillrect = hw_fillrect;
1126                 share->accel.de_copyarea = hw_copyarea;
1127                 share->accel.de_imageblit = hw_imageblit;
1128                 pr_info("enable 2d acceleration\n");
1129         } else {
1130                 pr_info("disable 2d acceleration\n");
1131         }
1132
1133         /* call chip specific setup routine  */
1134         sm750fb_setup(share, g_settings);
1135
1136         /* call chip specific mmap routine */
1137         if (hw_sm750_map(share, pdev)) {
1138                 pr_err("Memory map failed\n");
1139                 goto err_map;
1140         }
1141
1142         if (!share->mtrr_off)
1143                 share->mtrr.vram = arch_phys_wc_add(share->vidmem_start,
1144                                                     share->vidmem_size);
1145
1146         memset_io(share->pvMem, 0, share->vidmem_size);
1147
1148         pr_info("sm%3x mmio address = %p\n", share->devid, share->pvReg);
1149
1150         pci_set_drvdata(pdev, share);
1151
1152         /* call chipInit routine */
1153         hw_sm750_inithw(share, pdev);
1154
1155         /* allocate frame buffer info structor according to g_dualview */
1156         fbidx = 0;
1157 ALLOC_FB:
1158         info[fbidx] = framebuffer_alloc(sizeof(struct lynxfb_par), &pdev->dev);
1159         if (!info[fbidx]) {
1160                 pr_err("Could not allocate framebuffer #%d.\n", fbidx);
1161                 if (fbidx == 0)
1162                         goto err_info0_alloc;
1163                 else
1164                         goto err_info1_alloc;
1165         } else {
1166                 struct lynxfb_par *par;
1167                 int errno;
1168
1169                 pr_info("framebuffer #%d alloc okay\n", fbidx);
1170                 share->fbinfo[fbidx] = info[fbidx];
1171                 par = info[fbidx]->par;
1172                 par->share = share;
1173
1174                 /* set fb_info structure */
1175                 if (lynxfb_set_fbinfo(info[fbidx], fbidx)) {
1176                         pr_err("Failed to initial fb_info #%d.\n", fbidx);
1177                         if (fbidx == 0)
1178                                 goto err_info0_set;
1179                         else
1180                                 goto err_info1_set;
1181                 }
1182
1183                 /* register frame buffer */
1184                 pr_info("Ready to register framebuffer #%d.\n", fbidx);
1185                 errno = register_framebuffer(info[fbidx]);
1186                 if (errno < 0) {
1187                         pr_err("Failed to register fb_info #%d. err %d\n",
1188                                fbidx,
1189                                errno);
1190                         if (fbidx == 0)
1191                                 goto err_register0;
1192                         else
1193                                 goto err_register1;
1194                 }
1195                 pr_info("Accomplished register framebuffer #%d.\n", fbidx);
1196         }
1197
1198         /* no dual view by far */
1199         fbidx++;
1200         if (share->dual && fbidx < 2)
1201                 goto ALLOC_FB;
1202
1203         return 0;
1204
1205 err_register1:
1206 err_info1_set:
1207         framebuffer_release(info[1]);
1208 err_info1_alloc:
1209         unregister_framebuffer(info[0]);
1210 err_register0:
1211 err_info0_set:
1212         framebuffer_release(info[0]);
1213 err_info0_alloc:
1214 err_map:
1215         kfree(spec_share);
1216 err_share:
1217 err_enable:
1218         return -ENODEV;
1219 }
1220
1221 static void lynxfb_pci_remove(struct pci_dev *pdev)
1222 {
1223         struct fb_info *info;
1224         struct lynx_share *share;
1225         void *spec_share;
1226         struct lynxfb_par *par;
1227         int cnt;
1228
1229         cnt = 2;
1230         share = pci_get_drvdata(pdev);
1231
1232         while (cnt-- > 0) {
1233                 info = share->fbinfo[cnt];
1234                 if (!info)
1235                         continue;
1236                 par = info->par;
1237
1238                 unregister_framebuffer(info);
1239                 /* clean crtc & output allocations */
1240                 par->crtc.clear(&par->crtc);
1241                 par->output.clear(&par->output);
1242                 /* release frame buffer */
1243                 framebuffer_release(info);
1244         }
1245         arch_phys_wc_del(share->mtrr.vram);
1246
1247         iounmap(share->pvReg);
1248         iounmap(share->pvMem);
1249         spec_share = container_of(share, struct sm750_share, share);
1250         kfree(g_settings);
1251         kfree(spec_share);
1252         pci_set_drvdata(pdev, NULL);
1253 }
1254
1255 static int __init lynxfb_setup(char *options)
1256 {
1257         int len;
1258         char *opt, *tmp;
1259
1260         if (!options || !*options) {
1261                 pr_warn("no options.\n");
1262                 return 0;
1263         }
1264
1265         pr_info("options:%s\n", options);
1266
1267         len = strlen(options) + 1;
1268         g_settings = kzalloc(len, GFP_KERNEL);
1269         if (!g_settings)
1270                 return -ENOMEM;
1271
1272         tmp = g_settings;
1273
1274         /*
1275          * Notes:
1276          * char * strsep(char **s,const char * ct);
1277          * @s: the string to be searched
1278          * @ct :the characters to search for
1279          *
1280          * strsep() updates @options to pointer after the first found token
1281          * it also returns the pointer ahead the token.
1282          */
1283         while ((opt = strsep(&options, ":")) != NULL) {
1284                 /* options that mean for any lynx chips are configured here */
1285                 if (!strncmp(opt, "noaccel", strlen("noaccel")))
1286                         g_noaccel = 1;
1287                 else if (!strncmp(opt, "nomtrr", strlen("nomtrr")))
1288                         g_nomtrr = 1;
1289                 else if (!strncmp(opt, "dual", strlen("dual")))
1290                         g_dualview = 1;
1291                 else {
1292                         strcat(tmp, opt);
1293                         tmp += strlen(opt);
1294                         if (options != NULL)
1295                                 *tmp++ = ':';
1296                         else
1297                                 *tmp++ = 0;
1298                 }
1299         }
1300
1301         /* misc g_settings are transport to chip specific routines */
1302         pr_info("parameter left for chip specific analysis:%s\n", g_settings);
1303         return 0;
1304 }
1305
1306 static struct pci_device_id smi_pci_table[] = {
1307         { PCI_DEVICE(0x126f, 0x0750), },
1308         {0,}
1309 };
1310
1311 MODULE_DEVICE_TABLE(pci, smi_pci_table);
1312
1313 static struct pci_driver lynxfb_driver = {
1314         .name =         "sm750fb",
1315         .id_table =     smi_pci_table,
1316         .probe =        lynxfb_pci_probe,
1317         .remove =       lynxfb_pci_remove,
1318 #ifdef CONFIG_PM
1319         .suspend = lynxfb_suspend,
1320         .resume = lynxfb_resume,
1321 #endif
1322 };
1323
1324 static int __init lynxfb_init(void)
1325 {
1326         char *option;
1327         int ret;
1328
1329 #ifdef MODULE
1330         option = g_option;
1331 #else
1332         if (fb_get_options("sm750fb", &option))
1333                 return -ENODEV;
1334 #endif
1335
1336         lynxfb_setup(option);
1337         ret = pci_register_driver(&lynxfb_driver);
1338         return ret;
1339 }
1340 module_init(lynxfb_init);
1341
1342 static void __exit lynxfb_exit(void)
1343 {
1344         pci_unregister_driver(&lynxfb_driver);
1345 }
1346 module_exit(lynxfb_exit);
1347
1348 module_param(g_option, charp, S_IRUGO);
1349
1350 MODULE_PARM_DESC(g_option,
1351                  "\n\t\tCommon options:\n"
1352                  "\t\tnoaccel:disable 2d capabilities\n"
1353                  "\t\tnomtrr:disable MTRR attribute for video memory\n"
1354                  "\t\tdualview:dual frame buffer feature enabled\n"
1355                  "\t\tnohwc:disable hardware cursor\n"
1356                  "\t\tUsual example:\n"
1357                  "\t\tinsmod ./sm750fb.ko g_option=\"noaccel,nohwc,1280x1024-8@60\"\n"
1358                  );
1359
1360 MODULE_AUTHOR("monk liu <monk.liu@siliconmotion.com>");
1361 MODULE_AUTHOR("Sudip Mukherjee <sudip@vectorindia.org>");
1362 MODULE_DESCRIPTION("Frame buffer driver for SM750 chipset");
1363 MODULE_LICENSE("GPL v2");