1 /* 2 * linux/drivers/video/kyro/fbdev.c 3 * 4 * Copyright (C) 2002 STMicroelectronics 5 * Copyright (C) 2003, 2004 Paul Mundt 6 * 7 * This file is subject to the terms and conditions of the GNU General Public 8 * License. See the file COPYING in the main directory of this archive 9 * for more details. 10 */ 11 12 #include <linux/module.h> 13 #include <linux/types.h> 14 #include <linux/kernel.h> 15 #include <linux/mm.h> 16 #include <linux/errno.h> 17 #include <linux/string.h> 18 #include <linux/delay.h> 19 #include <linux/fb.h> 20 #include <linux/ioctl.h> 21 #include <linux/init.h> 22 #include <linux/pci.h> 23 #include <asm/io.h> 24 #include <linux/uaccess.h> 25 #ifdef CONFIG_MTRR 26 #include <asm/mtrr.h> 27 #endif 28 29 #include <video/kyro.h> 30 31 #include "STG4000Reg.h" 32 #include "STG4000Interface.h" 33 34 /* 35 * PCI Definitions 36 */ 37 #define PCI_VENDOR_ID_ST 0x104a 38 #define PCI_DEVICE_ID_STG4000 0x0010 39 40 #define KHZ2PICOS(a) (1000000000UL/(a)) 41 42 /****************************************************************************/ 43 static struct fb_fix_screeninfo kyro_fix = { 44 .id = "ST Kyro", 45 .type = FB_TYPE_PACKED_PIXELS, 46 .visual = FB_VISUAL_TRUECOLOR, 47 .accel = FB_ACCEL_NONE, 48 }; 49 50 static struct fb_var_screeninfo kyro_var = { 51 /* 640x480, 16bpp @ 60 Hz */ 52 .xres = 640, 53 .yres = 480, 54 .xres_virtual = 640, 55 .yres_virtual = 480, 56 .bits_per_pixel = 16, 57 .red = { 11, 5, 0 }, 58 .green = { 5, 6, 0 }, 59 .blue = { 0, 5, 0 }, 60 .activate = FB_ACTIVATE_NOW, 61 .height = -1, 62 .width = -1, 63 .pixclock = KHZ2PICOS(25175), 64 .left_margin = 48, 65 .right_margin = 16, 66 .upper_margin = 33, 67 .lower_margin = 10, 68 .hsync_len = 96, 69 .vsync_len = 2, 70 .vmode = FB_VMODE_NONINTERLACED, 71 }; 72 73 typedef struct { 74 STG4000REG __iomem *pSTGReg; /* Virtual address of PCI register region */ 75 u32 ulNextFreeVidMem; /* Offset from start of vid mem to next free region */ 76 u32 ulOverlayOffset; /* Offset from start of vid mem to overlay */ 77 u32 ulOverlayStride; /* Interleaved YUV and 422 mode Y stride */ 78 u32 ulOverlayUVStride; /* 422 mode U & V stride */ 79 } device_info_t; 80 81 /* global graphics card info structure (one per card) */ 82 static device_info_t deviceInfo; 83 84 static char *mode_option = NULL; 85 static int nopan = 0; 86 static int nowrap = 1; 87 #ifdef CONFIG_MTRR 88 static int nomtrr = 0; 89 #endif 90 91 /* PCI driver prototypes */ 92 static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 93 static void kyrofb_remove(struct pci_dev *pdev); 94 95 static struct fb_videomode kyro_modedb[] = { 96 { 97 /* 640x350 @ 85Hz */ 98 NULL, 85, 640, 350, KHZ2PICOS(31500), 99 96, 32, 60, 32, 64, 3, 100 FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED 101 }, { 102 /* 640x400 @ 85Hz */ 103 NULL, 85, 640, 400, KHZ2PICOS(31500), 104 96, 32, 41, 1, 64, 3, 105 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 106 }, { 107 /* 720x400 @ 85Hz */ 108 NULL, 85, 720, 400, KHZ2PICOS(35500), 109 108, 36, 42, 1, 72, 3, 110 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 111 }, { 112 /* 640x480 @ 60Hz */ 113 NULL, 60, 640, 480, KHZ2PICOS(25175), 114 48, 16, 33, 10, 96, 2, 115 0, FB_VMODE_NONINTERLACED 116 }, { 117 /* 640x480 @ 72Hz */ 118 NULL, 72, 640, 480, KHZ2PICOS(31500), 119 128, 24, 28, 9, 40, 3, 120 0, FB_VMODE_NONINTERLACED 121 }, { 122 /* 640x480 @ 75Hz */ 123 NULL, 75, 640, 480, KHZ2PICOS(31500), 124 120, 16, 16, 1, 64, 3, 125 0, FB_VMODE_NONINTERLACED 126 }, { 127 /* 640x480 @ 85Hz */ 128 NULL, 85, 640, 480, KHZ2PICOS(36000), 129 80, 56, 25, 1, 56, 3, 130 0, FB_VMODE_NONINTERLACED 131 }, { 132 /* 800x600 @ 56Hz */ 133 NULL, 56, 800, 600, KHZ2PICOS(36000), 134 128, 24, 22, 1, 72, 2, 135 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 136 }, { 137 /* 800x600 @ 60Hz */ 138 NULL, 60, 800, 600, KHZ2PICOS(40000), 139 88, 40, 23, 1, 128, 4, 140 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 141 }, { 142 /* 800x600 @ 72Hz */ 143 NULL, 72, 800, 600, KHZ2PICOS(50000), 144 64, 56, 23, 37, 120, 6, 145 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 146 }, { 147 /* 800x600 @ 75Hz */ 148 NULL, 75, 800, 600, KHZ2PICOS(49500), 149 160, 16, 21, 1, 80, 3, 150 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 151 }, { 152 /* 800x600 @ 85Hz */ 153 NULL, 85, 800, 600, KHZ2PICOS(56250), 154 152, 32, 27, 1, 64, 3, 155 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 156 }, { 157 /* 1024x768 @ 60Hz */ 158 NULL, 60, 1024, 768, KHZ2PICOS(65000), 159 160, 24, 29, 3, 136, 6, 160 0, FB_VMODE_NONINTERLACED 161 }, { 162 /* 1024x768 @ 70Hz */ 163 NULL, 70, 1024, 768, KHZ2PICOS(75000), 164 144, 24, 29, 3, 136, 6, 165 0, FB_VMODE_NONINTERLACED 166 }, { 167 /* 1024x768 @ 75Hz */ 168 NULL, 75, 1024, 768, KHZ2PICOS(78750), 169 176, 16, 28, 1, 96, 3, 170 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 171 }, { 172 /* 1024x768 @ 85Hz */ 173 NULL, 85, 1024, 768, KHZ2PICOS(94500), 174 208, 48, 36, 1, 96, 3, 175 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 176 }, { 177 /* 1152x864 @ 75Hz */ 178 NULL, 75, 1152, 864, KHZ2PICOS(108000), 179 256, 64, 32, 1, 128, 3, 180 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 181 }, { 182 /* 1280x960 @ 60Hz */ 183 NULL, 60, 1280, 960, KHZ2PICOS(108000), 184 312, 96, 36, 1, 112, 3, 185 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 186 }, { 187 /* 1280x960 @ 85Hz */ 188 NULL, 85, 1280, 960, KHZ2PICOS(148500), 189 224, 64, 47, 1, 160, 3, 190 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 191 }, { 192 /* 1280x1024 @ 60Hz */ 193 NULL, 60, 1280, 1024, KHZ2PICOS(108000), 194 248, 48, 38, 1, 112, 3, 195 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 196 }, { 197 /* 1280x1024 @ 75Hz */ 198 NULL, 75, 1280, 1024, KHZ2PICOS(135000), 199 248, 16, 38, 1, 144, 3, 200 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 201 }, { 202 /* 1280x1024 @ 85Hz */ 203 NULL, 85, 1280, 1024, KHZ2PICOS(157500), 204 224, 64, 44, 1, 160, 3, 205 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 206 }, { 207 /* 1600x1200 @ 60Hz */ 208 NULL, 60, 1600, 1200, KHZ2PICOS(162000), 209 304, 64, 46, 1, 192, 3, 210 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 211 }, { 212 /* 1600x1200 @ 65Hz */ 213 NULL, 65, 1600, 1200, KHZ2PICOS(175500), 214 304, 64, 46, 1, 192, 3, 215 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 216 }, { 217 /* 1600x1200 @ 70Hz */ 218 NULL, 70, 1600, 1200, KHZ2PICOS(189000), 219 304, 64, 46, 1, 192, 3, 220 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 221 }, { 222 /* 1600x1200 @ 75Hz */ 223 NULL, 75, 1600, 1200, KHZ2PICOS(202500), 224 304, 64, 46, 1, 192, 3, 225 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 226 }, { 227 /* 1600x1200 @ 85Hz */ 228 NULL, 85, 1600, 1200, KHZ2PICOS(229500), 229 304, 64, 46, 1, 192, 3, 230 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 231 }, { 232 /* 1792x1344 @ 60Hz */ 233 NULL, 60, 1792, 1344, KHZ2PICOS(204750), 234 328, 128, 46, 1, 200, 3, 235 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 236 }, { 237 /* 1792x1344 @ 75Hz */ 238 NULL, 75, 1792, 1344, KHZ2PICOS(261000), 239 352, 96, 69, 1, 216, 3, 240 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 241 }, { 242 /* 1856x1392 @ 60Hz */ 243 NULL, 60, 1856, 1392, KHZ2PICOS(218250), 244 352, 96, 43, 1, 224, 3, 245 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 246 }, { 247 /* 1856x1392 @ 75Hz */ 248 NULL, 75, 1856, 1392, KHZ2PICOS(288000), 249 352, 128, 104, 1, 224, 3, 250 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 251 }, { 252 /* 1920x1440 @ 60Hz */ 253 NULL, 60, 1920, 1440, KHZ2PICOS(234000), 254 344, 128, 56, 1, 208, 3, 255 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 256 }, { 257 /* 1920x1440 @ 75Hz */ 258 NULL, 75, 1920, 1440, KHZ2PICOS(297000), 259 352, 144, 56, 1, 224, 3, 260 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 261 }, 262 }; 263 #define NUM_TOTAL_MODES ARRAY_SIZE(kyro_modedb) 264 265 /* 266 * This needs to be kept ordered corresponding to kyro_modedb. 267 */ 268 enum { 269 VMODE_640_350_85, 270 VMODE_640_400_85, 271 VMODE_720_400_85, 272 VMODE_640_480_60, 273 VMODE_640_480_72, 274 VMODE_640_480_75, 275 VMODE_640_480_85, 276 VMODE_800_600_56, 277 VMODE_800_600_60, 278 VMODE_800_600_72, 279 VMODE_800_600_75, 280 VMODE_800_600_85, 281 VMODE_1024_768_60, 282 VMODE_1024_768_70, 283 VMODE_1024_768_75, 284 VMODE_1024_768_85, 285 VMODE_1152_864_75, 286 VMODE_1280_960_60, 287 VMODE_1280_960_85, 288 VMODE_1280_1024_60, 289 VMODE_1280_1024_75, 290 VMODE_1280_1024_85, 291 VMODE_1600_1200_60, 292 VMODE_1600_1200_65, 293 VMODE_1600_1200_70, 294 VMODE_1600_1200_75, 295 VMODE_1600_1200_85, 296 VMODE_1792_1344_60, 297 VMODE_1792_1344_75, 298 VMODE_1856_1392_60, 299 VMODE_1856_1392_75, 300 VMODE_1920_1440_60, 301 VMODE_1920_1440_75, 302 }; 303 304 /* Accessors */ 305 static int kyro_dev_video_mode_set(struct fb_info *info) 306 { 307 struct kyrofb_info *par = info->par; 308 309 /* Turn off display */ 310 StopVTG(deviceInfo.pSTGReg); 311 DisableRamdacOutput(deviceInfo.pSTGReg); 312 313 /* Bring us out of VGA and into Hi-Res mode, if not already. */ 314 DisableVGA(deviceInfo.pSTGReg); 315 316 if (InitialiseRamdac(deviceInfo.pSTGReg, 317 info->var.bits_per_pixel, 318 info->var.xres, info->var.yres, 319 par->HSP, par->VSP, &par->PIXCLK) < 0) 320 return -EINVAL; 321 322 SetupVTG(deviceInfo.pSTGReg, par); 323 324 ResetOverlayRegisters(deviceInfo.pSTGReg); 325 326 /* Turn on display in new mode */ 327 EnableRamdacOutput(deviceInfo.pSTGReg); 328 StartVTG(deviceInfo.pSTGReg); 329 330 deviceInfo.ulNextFreeVidMem = info->var.xres * info->var.yres * 331 info->var.bits_per_pixel; 332 deviceInfo.ulOverlayOffset = 0; 333 334 return 0; 335 } 336 337 static int kyro_dev_overlay_create(u32 ulWidth, 338 u32 ulHeight, int bLinear) 339 { 340 u32 offset; 341 u32 stride, uvStride; 342 343 if (deviceInfo.ulOverlayOffset != 0) 344 /* 345 * Can only create one overlay without resetting the card or 346 * changing display mode 347 */ 348 return -EINVAL; 349 350 ResetOverlayRegisters(deviceInfo.pSTGReg); 351 352 /* Overlays are addressed in multiples of 16bytes or 32bytes, so make 353 * sure the start offset is on an appropriate boundary. 354 */ 355 offset = deviceInfo.ulNextFreeVidMem; 356 if ((offset & 0x1f) != 0) { 357 offset = (offset + 32L) & 0xffffffE0L; 358 } 359 360 if (CreateOverlaySurface(deviceInfo.pSTGReg, ulWidth, ulHeight, 361 bLinear, offset, &stride, &uvStride) < 0) 362 return -EINVAL; 363 364 deviceInfo.ulOverlayOffset = offset; 365 deviceInfo.ulOverlayStride = stride; 366 deviceInfo.ulOverlayUVStride = uvStride; 367 deviceInfo.ulNextFreeVidMem = offset + (ulHeight * stride) + (ulHeight * 2 * uvStride); 368 369 SetOverlayBlendMode(deviceInfo.pSTGReg, GLOBAL_ALPHA, 0xf, 0x0); 370 371 return 0; 372 } 373 374 static int kyro_dev_overlay_viewport_set(u32 x, u32 y, u32 ulWidth, u32 ulHeight) 375 { 376 if (deviceInfo.ulOverlayOffset == 0) 377 /* probably haven't called CreateOverlay yet */ 378 return -EINVAL; 379 380 /* Stop Ramdac Output */ 381 DisableRamdacOutput(deviceInfo.pSTGReg); 382 383 SetOverlayViewPort(deviceInfo.pSTGReg, 384 x, y, x + ulWidth - 1, y + ulHeight - 1); 385 386 EnableOverlayPlane(deviceInfo.pSTGReg); 387 /* Start Ramdac Output */ 388 EnableRamdacOutput(deviceInfo.pSTGReg); 389 390 return 0; 391 } 392 393 static inline unsigned long get_line_length(int x, int bpp) 394 { 395 return (unsigned long)((((x*bpp)+31)&~31) >> 3); 396 } 397 398 static int kyrofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) 399 { 400 struct kyrofb_info *par = info->par; 401 402 if (var->bits_per_pixel != 16 && var->bits_per_pixel != 32) { 403 printk(KERN_WARNING "kyrofb: depth not supported: %u\n", var->bits_per_pixel); 404 return -EINVAL; 405 } 406 407 switch (var->bits_per_pixel) { 408 case 16: 409 var->red.offset = 11; 410 var->red.length = 5; 411 var->green.offset = 5; 412 var->green.length = 6; 413 var->blue.length = 5; 414 break; 415 case 32: 416 var->transp.offset = 24; 417 var->red.offset = 16; 418 var->green.offset = 8; 419 var->blue.offset = 0; 420 421 var->red.length = 8; 422 var->green.length = 8; 423 var->blue.length = 8; 424 var->transp.length = 8; 425 break; 426 } 427 428 /* Height/Width of picture in mm */ 429 var->height = var->width = -1; 430 431 /* Timing information. All values are in picoseconds */ 432 433 /* par->PIXCLK is in 100Hz units. Convert to picoseconds - 434 * ensuring we do not exceed 32 bit precision 435 */ 436 /* 437 * XXX: Enabling this really screws over the pixclock value when we 438 * read it back with fbset. As such, leaving this commented out appears 439 * to do the right thing (at least for now) .. bearing in mind that we 440 * have infact already done the KHZ2PICOS conversion in both the modedb 441 * and kyro_var. -- PFM. 442 */ 443 // var->pixclock = 1000000000 / (par->PIXCLK / 10); 444 445 /* the header file claims we should use picoseconds 446 * - nobody else does though, the all use pixels and lines 447 * of h and v sizes. Both options here. 448 */ 449 450 /* 451 * If we're being called by __fb_try_mode(), then we don't want to 452 * override any of the var settings that we've already parsed 453 * from our modedb. -- PFM. 454 */ 455 if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_TEST) 456 return 0; 457 458 var->left_margin = par->HBP; 459 var->hsync_len = par->HST; 460 var->right_margin = par->HFP; 461 462 var->upper_margin = par->VBP; 463 var->vsync_len = par->VST; 464 var->lower_margin = par->VFP; 465 466 if (par->HSP == 1) 467 var->sync |= FB_SYNC_HOR_HIGH_ACT; 468 if (par->VSP == 1) 469 var->sync |= FB_SYNC_VERT_HIGH_ACT; 470 471 return 0; 472 } 473 474 static int kyrofb_set_par(struct fb_info *info) 475 { 476 struct kyrofb_info *par = info->par; 477 unsigned long lineclock; 478 unsigned long frameclock; 479 480 /* Actual resolution */ 481 par->XRES = info->var.xres; 482 par->YRES = info->var.yres; 483 484 /* pixel depth */ 485 par->PIXDEPTH = info->var.bits_per_pixel; 486 487 /* Refresh rate */ 488 /* time for a line in ns */ 489 lineclock = (info->var.pixclock * (info->var.xres + 490 info->var.right_margin + 491 info->var.hsync_len + 492 info->var.left_margin)) / 1000; 493 494 495 /* time for a frame in ns (precision in 32bpp) */ 496 frameclock = lineclock * (info->var.yres + 497 info->var.lower_margin + 498 info->var.vsync_len + 499 info->var.upper_margin); 500 501 /* Calculate refresh rate and horrizontal clocks */ 502 par->VFREQ = (1000000000 + (frameclock / 2)) / frameclock; 503 par->HCLK = (1000000000 + (lineclock / 2)) / lineclock; 504 par->PIXCLK = ((1000000000 + (info->var.pixclock / 2)) 505 / info->var.pixclock) * 10; 506 507 /* calculate horizontal timings */ 508 par->HFP = info->var.right_margin; 509 par->HST = info->var.hsync_len; 510 par->HBP = info->var.left_margin; 511 par->HTot = par->XRES + par->HBP + par->HST + par->HFP; 512 513 /* calculate vertical timings */ 514 par->VFP = info->var.lower_margin; 515 par->VST = info->var.vsync_len; 516 par->VBP = info->var.upper_margin; 517 par->VTot = par->YRES + par->VBP + par->VST + par->VFP; 518 519 par->HSP = (info->var.sync & FB_SYNC_HOR_HIGH_ACT) ? 1 : 0; 520 par->VSP = (info->var.sync & FB_SYNC_VERT_HIGH_ACT) ? 1 : 0; 521 522 kyro_dev_video_mode_set(info); 523 524 /* length of a line in bytes */ 525 info->fix.line_length = get_line_length(par->XRES, par->PIXDEPTH); 526 info->fix.visual = FB_VISUAL_TRUECOLOR; 527 528 return 0; 529 } 530 531 static int kyrofb_setcolreg(u_int regno, u_int red, u_int green, 532 u_int blue, u_int transp, struct fb_info *info) 533 { 534 struct kyrofb_info *par = info->par; 535 536 if (regno > 255) 537 return 1; /* Invalid register */ 538 539 if (regno < 16) { 540 switch (info->var.bits_per_pixel) { 541 case 16: 542 par->palette[regno] = 543 (red & 0xf800) | 544 ((green & 0xfc00) >> 5) | 545 ((blue & 0xf800) >> 11); 546 break; 547 case 32: 548 red >>= 8; green >>= 8; blue >>= 8; transp >>= 8; 549 par->palette[regno] = 550 (transp << 24) | (red << 16) | (green << 8) | blue; 551 break; 552 } 553 } 554 555 return 0; 556 } 557 558 #ifndef MODULE 559 static int __init kyrofb_setup(char *options) 560 { 561 char *this_opt; 562 563 if (!options || !*options) 564 return 0; 565 566 while ((this_opt = strsep(&options, ","))) { 567 if (!*this_opt) 568 continue; 569 if (strcmp(this_opt, "nopan") == 0) { 570 nopan = 1; 571 } else if (strcmp(this_opt, "nowrap") == 0) { 572 nowrap = 1; 573 #ifdef CONFIG_MTRR 574 } else if (strcmp(this_opt, "nomtrr") == 0) { 575 nomtrr = 1; 576 #endif 577 } else { 578 mode_option = this_opt; 579 } 580 } 581 582 return 0; 583 } 584 #endif 585 586 static int kyrofb_ioctl(struct fb_info *info, 587 unsigned int cmd, unsigned long arg) 588 { 589 overlay_create ol_create; 590 overlay_viewport_set ol_viewport_set; 591 void __user *argp = (void __user *)arg; 592 593 switch (cmd) { 594 case KYRO_IOCTL_OVERLAY_CREATE: 595 if (copy_from_user(&ol_create, argp, sizeof(overlay_create))) 596 return -EFAULT; 597 598 if (kyro_dev_overlay_create(ol_create.ulWidth, 599 ol_create.ulHeight, 0) < 0) { 600 printk(KERN_ERR "Kyro FB: failed to create overlay surface.\n"); 601 602 return -EINVAL; 603 } 604 break; 605 case KYRO_IOCTL_OVERLAY_VIEWPORT_SET: 606 if (copy_from_user(&ol_viewport_set, argp, 607 sizeof(overlay_viewport_set))) 608 return -EFAULT; 609 610 if (kyro_dev_overlay_viewport_set(ol_viewport_set.xOrgin, 611 ol_viewport_set.yOrgin, 612 ol_viewport_set.xSize, 613 ol_viewport_set.ySize) != 0) 614 { 615 printk(KERN_ERR "Kyro FB: failed to create overlay viewport.\n"); 616 return -EINVAL; 617 } 618 break; 619 case KYRO_IOCTL_SET_VIDEO_MODE: 620 { 621 printk(KERN_ERR "Kyro FB: KYRO_IOCTL_SET_VIDEO_MODE is" 622 "obsolete, use the appropriate fb_ioctl()" 623 "command instead.\n"); 624 return -EINVAL; 625 } 626 case KYRO_IOCTL_UVSTRIDE: 627 if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(deviceInfo.ulOverlayUVStride))) 628 return -EFAULT; 629 break; 630 case KYRO_IOCTL_STRIDE: 631 if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(deviceInfo.ulOverlayStride))) 632 return -EFAULT; 633 break; 634 case KYRO_IOCTL_OVERLAY_OFFSET: 635 if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(deviceInfo.ulOverlayOffset))) 636 return -EFAULT; 637 break; 638 } 639 640 return 0; 641 } 642 643 static struct pci_device_id kyrofb_pci_tbl[] = { 644 { PCI_VENDOR_ID_ST, PCI_DEVICE_ID_STG4000, 645 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, 646 { 0, } 647 }; 648 649 MODULE_DEVICE_TABLE(pci, kyrofb_pci_tbl); 650 651 static struct pci_driver kyrofb_pci_driver = { 652 .name = "kyrofb", 653 .id_table = kyrofb_pci_tbl, 654 .probe = kyrofb_probe, 655 .remove = kyrofb_remove, 656 }; 657 658 static struct fb_ops kyrofb_ops = { 659 .owner = THIS_MODULE, 660 .fb_check_var = kyrofb_check_var, 661 .fb_set_par = kyrofb_set_par, 662 .fb_setcolreg = kyrofb_setcolreg, 663 .fb_ioctl = kyrofb_ioctl, 664 .fb_fillrect = cfb_fillrect, 665 .fb_copyarea = cfb_copyarea, 666 .fb_imageblit = cfb_imageblit, 667 }; 668 669 static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 670 { 671 struct fb_info *info; 672 struct kyrofb_info *currentpar; 673 unsigned long size; 674 int err; 675 676 if ((err = pci_enable_device(pdev))) { 677 printk(KERN_WARNING "kyrofb: Can't enable pdev: %d\n", err); 678 return err; 679 } 680 681 info = framebuffer_alloc(sizeof(struct kyrofb_info), &pdev->dev); 682 if (!info) 683 return -ENOMEM; 684 685 currentpar = info->par; 686 687 kyro_fix.smem_start = pci_resource_start(pdev, 0); 688 kyro_fix.smem_len = pci_resource_len(pdev, 0); 689 kyro_fix.mmio_start = pci_resource_start(pdev, 1); 690 kyro_fix.mmio_len = pci_resource_len(pdev, 1); 691 692 currentpar->regbase = deviceInfo.pSTGReg = 693 ioremap_nocache(kyro_fix.mmio_start, kyro_fix.mmio_len); 694 695 info->screen_base = ioremap_nocache(kyro_fix.smem_start, 696 kyro_fix.smem_len); 697 698 #ifdef CONFIG_MTRR 699 if (!nomtrr) 700 currentpar->mtrr_handle = 701 mtrr_add(kyro_fix.smem_start, 702 kyro_fix.smem_len, 703 MTRR_TYPE_WRCOMB, 1); 704 #endif 705 706 kyro_fix.ypanstep = nopan ? 0 : 1; 707 kyro_fix.ywrapstep = nowrap ? 0 : 1; 708 709 info->fbops = &kyrofb_ops; 710 info->fix = kyro_fix; 711 info->pseudo_palette = currentpar->palette; 712 info->flags = FBINFO_DEFAULT; 713 714 SetCoreClockPLL(deviceInfo.pSTGReg, pdev); 715 716 deviceInfo.ulNextFreeVidMem = 0; 717 deviceInfo.ulOverlayOffset = 0; 718 719 /* This should give a reasonable default video mode */ 720 if (!fb_find_mode(&info->var, info, mode_option, kyro_modedb, 721 NUM_TOTAL_MODES, &kyro_modedb[VMODE_1024_768_75], 32)) 722 info->var = kyro_var; 723 724 fb_alloc_cmap(&info->cmap, 256, 0); 725 726 kyrofb_set_par(info); 727 kyrofb_check_var(&info->var, info); 728 729 size = get_line_length(info->var.xres_virtual, 730 info->var.bits_per_pixel); 731 size *= info->var.yres_virtual; 732 733 fb_memset(info->screen_base, 0, size); 734 735 if (register_framebuffer(info) < 0) 736 goto out_unmap; 737 738 fb_info(info, "%s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n", 739 info->fix.id, 740 info->var.xres, info->var.yres, info->var.bits_per_pixel, 741 size >> 10, (unsigned long)info->fix.smem_len >> 10); 742 743 pci_set_drvdata(pdev, info); 744 745 return 0; 746 747 out_unmap: 748 iounmap(currentpar->regbase); 749 iounmap(info->screen_base); 750 framebuffer_release(info); 751 752 return -EINVAL; 753 } 754 755 static void kyrofb_remove(struct pci_dev *pdev) 756 { 757 struct fb_info *info = pci_get_drvdata(pdev); 758 struct kyrofb_info *par = info->par; 759 760 /* Reset the board */ 761 StopVTG(deviceInfo.pSTGReg); 762 DisableRamdacOutput(deviceInfo.pSTGReg); 763 764 /* Sync up the PLL */ 765 SetCoreClockPLL(deviceInfo.pSTGReg, pdev); 766 767 deviceInfo.ulNextFreeVidMem = 0; 768 deviceInfo.ulOverlayOffset = 0; 769 770 iounmap(info->screen_base); 771 iounmap(par->regbase); 772 773 #ifdef CONFIG_MTRR 774 if (par->mtrr_handle) 775 mtrr_del(par->mtrr_handle, 776 info->fix.smem_start, 777 info->fix.smem_len); 778 #endif 779 780 unregister_framebuffer(info); 781 framebuffer_release(info); 782 } 783 784 static int __init kyrofb_init(void) 785 { 786 #ifndef MODULE 787 char *option = NULL; 788 789 if (fb_get_options("kyrofb", &option)) 790 return -ENODEV; 791 kyrofb_setup(option); 792 #endif 793 return pci_register_driver(&kyrofb_pci_driver); 794 } 795 796 static void __exit kyrofb_exit(void) 797 { 798 pci_unregister_driver(&kyrofb_pci_driver); 799 } 800 801 module_init(kyrofb_init); 802 803 #ifdef MODULE 804 module_exit(kyrofb_exit); 805 #endif 806 807 MODULE_AUTHOR("STMicroelectronics; Paul Mundt <lethal@linux-sh.org>"); 808 MODULE_LICENSE("GPL"); 809