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 26 #include <video/kyro.h> 27 28 #include "STG4000Reg.h" 29 #include "STG4000Interface.h" 30 31 /* 32 * PCI Definitions 33 */ 34 #define PCI_VENDOR_ID_ST 0x104a 35 #define PCI_DEVICE_ID_STG4000 0x0010 36 37 #define KHZ2PICOS(a) (1000000000UL/(a)) 38 39 /****************************************************************************/ 40 static struct fb_fix_screeninfo kyro_fix = { 41 .id = "ST Kyro", 42 .type = FB_TYPE_PACKED_PIXELS, 43 .visual = FB_VISUAL_TRUECOLOR, 44 .accel = FB_ACCEL_NONE, 45 }; 46 47 static const struct fb_var_screeninfo kyro_var = { 48 /* 640x480, 16bpp @ 60 Hz */ 49 .xres = 640, 50 .yres = 480, 51 .xres_virtual = 640, 52 .yres_virtual = 480, 53 .bits_per_pixel = 16, 54 .red = { 11, 5, 0 }, 55 .green = { 5, 6, 0 }, 56 .blue = { 0, 5, 0 }, 57 .activate = FB_ACTIVATE_NOW, 58 .height = -1, 59 .width = -1, 60 .pixclock = KHZ2PICOS(25175), 61 .left_margin = 48, 62 .right_margin = 16, 63 .upper_margin = 33, 64 .lower_margin = 10, 65 .hsync_len = 96, 66 .vsync_len = 2, 67 .vmode = FB_VMODE_NONINTERLACED, 68 }; 69 70 typedef struct { 71 STG4000REG __iomem *pSTGReg; /* Virtual address of PCI register region */ 72 u32 ulNextFreeVidMem; /* Offset from start of vid mem to next free region */ 73 u32 ulOverlayOffset; /* Offset from start of vid mem to overlay */ 74 u32 ulOverlayStride; /* Interleaved YUV and 422 mode Y stride */ 75 u32 ulOverlayUVStride; /* 422 mode U & V stride */ 76 } device_info_t; 77 78 /* global graphics card info structure (one per card) */ 79 static device_info_t deviceInfo; 80 81 static char *mode_option = NULL; 82 static int nopan = 0; 83 static int nowrap = 1; 84 static int nomtrr = 0; 85 86 /* PCI driver prototypes */ 87 static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 88 static void kyrofb_remove(struct pci_dev *pdev); 89 90 static struct fb_videomode kyro_modedb[] = { 91 { 92 /* 640x350 @ 85Hz */ 93 NULL, 85, 640, 350, KHZ2PICOS(31500), 94 96, 32, 60, 32, 64, 3, 95 FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED 96 }, { 97 /* 640x400 @ 85Hz */ 98 NULL, 85, 640, 400, KHZ2PICOS(31500), 99 96, 32, 41, 1, 64, 3, 100 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 101 }, { 102 /* 720x400 @ 85Hz */ 103 NULL, 85, 720, 400, KHZ2PICOS(35500), 104 108, 36, 42, 1, 72, 3, 105 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 106 }, { 107 /* 640x480 @ 60Hz */ 108 NULL, 60, 640, 480, KHZ2PICOS(25175), 109 48, 16, 33, 10, 96, 2, 110 0, FB_VMODE_NONINTERLACED 111 }, { 112 /* 640x480 @ 72Hz */ 113 NULL, 72, 640, 480, KHZ2PICOS(31500), 114 128, 24, 28, 9, 40, 3, 115 0, FB_VMODE_NONINTERLACED 116 }, { 117 /* 640x480 @ 75Hz */ 118 NULL, 75, 640, 480, KHZ2PICOS(31500), 119 120, 16, 16, 1, 64, 3, 120 0, FB_VMODE_NONINTERLACED 121 }, { 122 /* 640x480 @ 85Hz */ 123 NULL, 85, 640, 480, KHZ2PICOS(36000), 124 80, 56, 25, 1, 56, 3, 125 0, FB_VMODE_NONINTERLACED 126 }, { 127 /* 800x600 @ 56Hz */ 128 NULL, 56, 800, 600, KHZ2PICOS(36000), 129 128, 24, 22, 1, 72, 2, 130 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 131 }, { 132 /* 800x600 @ 60Hz */ 133 NULL, 60, 800, 600, KHZ2PICOS(40000), 134 88, 40, 23, 1, 128, 4, 135 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 136 }, { 137 /* 800x600 @ 72Hz */ 138 NULL, 72, 800, 600, KHZ2PICOS(50000), 139 64, 56, 23, 37, 120, 6, 140 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 141 }, { 142 /* 800x600 @ 75Hz */ 143 NULL, 75, 800, 600, KHZ2PICOS(49500), 144 160, 16, 21, 1, 80, 3, 145 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 146 }, { 147 /* 800x600 @ 85Hz */ 148 NULL, 85, 800, 600, KHZ2PICOS(56250), 149 152, 32, 27, 1, 64, 3, 150 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 151 }, { 152 /* 1024x768 @ 60Hz */ 153 NULL, 60, 1024, 768, KHZ2PICOS(65000), 154 160, 24, 29, 3, 136, 6, 155 0, FB_VMODE_NONINTERLACED 156 }, { 157 /* 1024x768 @ 70Hz */ 158 NULL, 70, 1024, 768, KHZ2PICOS(75000), 159 144, 24, 29, 3, 136, 6, 160 0, FB_VMODE_NONINTERLACED 161 }, { 162 /* 1024x768 @ 75Hz */ 163 NULL, 75, 1024, 768, KHZ2PICOS(78750), 164 176, 16, 28, 1, 96, 3, 165 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 166 }, { 167 /* 1024x768 @ 85Hz */ 168 NULL, 85, 1024, 768, KHZ2PICOS(94500), 169 208, 48, 36, 1, 96, 3, 170 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 171 }, { 172 /* 1152x864 @ 75Hz */ 173 NULL, 75, 1152, 864, KHZ2PICOS(108000), 174 256, 64, 32, 1, 128, 3, 175 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 176 }, { 177 /* 1280x960 @ 60Hz */ 178 NULL, 60, 1280, 960, KHZ2PICOS(108000), 179 312, 96, 36, 1, 112, 3, 180 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 181 }, { 182 /* 1280x960 @ 85Hz */ 183 NULL, 85, 1280, 960, KHZ2PICOS(148500), 184 224, 64, 47, 1, 160, 3, 185 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 186 }, { 187 /* 1280x1024 @ 60Hz */ 188 NULL, 60, 1280, 1024, KHZ2PICOS(108000), 189 248, 48, 38, 1, 112, 3, 190 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 191 }, { 192 /* 1280x1024 @ 75Hz */ 193 NULL, 75, 1280, 1024, KHZ2PICOS(135000), 194 248, 16, 38, 1, 144, 3, 195 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 196 }, { 197 /* 1280x1024 @ 85Hz */ 198 NULL, 85, 1280, 1024, KHZ2PICOS(157500), 199 224, 64, 44, 1, 160, 3, 200 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 201 }, { 202 /* 1600x1200 @ 60Hz */ 203 NULL, 60, 1600, 1200, KHZ2PICOS(162000), 204 304, 64, 46, 1, 192, 3, 205 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 206 }, { 207 /* 1600x1200 @ 65Hz */ 208 NULL, 65, 1600, 1200, KHZ2PICOS(175500), 209 304, 64, 46, 1, 192, 3, 210 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 211 }, { 212 /* 1600x1200 @ 70Hz */ 213 NULL, 70, 1600, 1200, KHZ2PICOS(189000), 214 304, 64, 46, 1, 192, 3, 215 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 216 }, { 217 /* 1600x1200 @ 75Hz */ 218 NULL, 75, 1600, 1200, KHZ2PICOS(202500), 219 304, 64, 46, 1, 192, 3, 220 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 221 }, { 222 /* 1600x1200 @ 85Hz */ 223 NULL, 85, 1600, 1200, KHZ2PICOS(229500), 224 304, 64, 46, 1, 192, 3, 225 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 226 }, { 227 /* 1792x1344 @ 60Hz */ 228 NULL, 60, 1792, 1344, KHZ2PICOS(204750), 229 328, 128, 46, 1, 200, 3, 230 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 231 }, { 232 /* 1792x1344 @ 75Hz */ 233 NULL, 75, 1792, 1344, KHZ2PICOS(261000), 234 352, 96, 69, 1, 216, 3, 235 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 236 }, { 237 /* 1856x1392 @ 60Hz */ 238 NULL, 60, 1856, 1392, KHZ2PICOS(218250), 239 352, 96, 43, 1, 224, 3, 240 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 241 }, { 242 /* 1856x1392 @ 75Hz */ 243 NULL, 75, 1856, 1392, KHZ2PICOS(288000), 244 352, 128, 104, 1, 224, 3, 245 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 246 }, { 247 /* 1920x1440 @ 60Hz */ 248 NULL, 60, 1920, 1440, KHZ2PICOS(234000), 249 344, 128, 56, 1, 208, 3, 250 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 251 }, { 252 /* 1920x1440 @ 75Hz */ 253 NULL, 75, 1920, 1440, KHZ2PICOS(297000), 254 352, 144, 56, 1, 224, 3, 255 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED 256 }, 257 }; 258 #define NUM_TOTAL_MODES ARRAY_SIZE(kyro_modedb) 259 260 /* 261 * This needs to be kept ordered corresponding to kyro_modedb. 262 */ 263 enum { 264 VMODE_640_350_85, 265 VMODE_640_400_85, 266 VMODE_720_400_85, 267 VMODE_640_480_60, 268 VMODE_640_480_72, 269 VMODE_640_480_75, 270 VMODE_640_480_85, 271 VMODE_800_600_56, 272 VMODE_800_600_60, 273 VMODE_800_600_72, 274 VMODE_800_600_75, 275 VMODE_800_600_85, 276 VMODE_1024_768_60, 277 VMODE_1024_768_70, 278 VMODE_1024_768_75, 279 VMODE_1024_768_85, 280 VMODE_1152_864_75, 281 VMODE_1280_960_60, 282 VMODE_1280_960_85, 283 VMODE_1280_1024_60, 284 VMODE_1280_1024_75, 285 VMODE_1280_1024_85, 286 VMODE_1600_1200_60, 287 VMODE_1600_1200_65, 288 VMODE_1600_1200_70, 289 VMODE_1600_1200_75, 290 VMODE_1600_1200_85, 291 VMODE_1792_1344_60, 292 VMODE_1792_1344_75, 293 VMODE_1856_1392_60, 294 VMODE_1856_1392_75, 295 VMODE_1920_1440_60, 296 VMODE_1920_1440_75, 297 }; 298 299 /* Accessors */ 300 static int kyro_dev_video_mode_set(struct fb_info *info) 301 { 302 struct kyrofb_info *par = info->par; 303 304 /* Turn off display */ 305 StopVTG(deviceInfo.pSTGReg); 306 DisableRamdacOutput(deviceInfo.pSTGReg); 307 308 /* Bring us out of VGA and into Hi-Res mode, if not already. */ 309 DisableVGA(deviceInfo.pSTGReg); 310 311 if (InitialiseRamdac(deviceInfo.pSTGReg, 312 info->var.bits_per_pixel, 313 info->var.xres, info->var.yres, 314 par->HSP, par->VSP, &par->PIXCLK) < 0) 315 return -EINVAL; 316 317 SetupVTG(deviceInfo.pSTGReg, par); 318 319 ResetOverlayRegisters(deviceInfo.pSTGReg); 320 321 /* Turn on display in new mode */ 322 EnableRamdacOutput(deviceInfo.pSTGReg); 323 StartVTG(deviceInfo.pSTGReg); 324 325 deviceInfo.ulNextFreeVidMem = info->var.xres * info->var.yres * 326 info->var.bits_per_pixel; 327 deviceInfo.ulOverlayOffset = 0; 328 329 return 0; 330 } 331 332 static int kyro_dev_overlay_create(u32 ulWidth, 333 u32 ulHeight, int bLinear) 334 { 335 u32 offset; 336 u32 stride, uvStride; 337 338 if (deviceInfo.ulOverlayOffset != 0) 339 /* 340 * Can only create one overlay without resetting the card or 341 * changing display mode 342 */ 343 return -EINVAL; 344 345 ResetOverlayRegisters(deviceInfo.pSTGReg); 346 347 /* Overlays are addressed in multiples of 16bytes or 32bytes, so make 348 * sure the start offset is on an appropriate boundary. 349 */ 350 offset = deviceInfo.ulNextFreeVidMem; 351 if ((offset & 0x1f) != 0) { 352 offset = (offset + 32L) & 0xffffffE0L; 353 } 354 355 if (CreateOverlaySurface(deviceInfo.pSTGReg, ulWidth, ulHeight, 356 bLinear, offset, &stride, &uvStride) < 0) 357 return -EINVAL; 358 359 deviceInfo.ulOverlayOffset = offset; 360 deviceInfo.ulOverlayStride = stride; 361 deviceInfo.ulOverlayUVStride = uvStride; 362 deviceInfo.ulNextFreeVidMem = offset + (ulHeight * stride) + (ulHeight * 2 * uvStride); 363 364 SetOverlayBlendMode(deviceInfo.pSTGReg, GLOBAL_ALPHA, 0xf, 0x0); 365 366 return 0; 367 } 368 369 static int kyro_dev_overlay_viewport_set(u32 x, u32 y, u32 ulWidth, u32 ulHeight) 370 { 371 if (deviceInfo.ulOverlayOffset == 0) 372 /* probably haven't called CreateOverlay yet */ 373 return -EINVAL; 374 375 if (ulWidth == 0 || ulWidth == 0xffffffff || 376 ulHeight == 0 || ulHeight == 0xffffffff || 377 (x < 2 && ulWidth + 2 == 0)) 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 } else if (strcmp(this_opt, "nomtrr") == 0) { 574 nomtrr = 1; 575 } else { 576 mode_option = this_opt; 577 } 578 } 579 580 return 0; 581 } 582 #endif 583 584 static int kyrofb_ioctl(struct fb_info *info, 585 unsigned int cmd, unsigned long arg) 586 { 587 overlay_create ol_create; 588 overlay_viewport_set ol_viewport_set; 589 void __user *argp = (void __user *)arg; 590 591 switch (cmd) { 592 case KYRO_IOCTL_OVERLAY_CREATE: 593 if (copy_from_user(&ol_create, argp, sizeof(overlay_create))) 594 return -EFAULT; 595 596 if (kyro_dev_overlay_create(ol_create.ulWidth, 597 ol_create.ulHeight, 0) < 0) { 598 printk(KERN_ERR "Kyro FB: failed to create overlay surface.\n"); 599 600 return -EINVAL; 601 } 602 break; 603 case KYRO_IOCTL_OVERLAY_VIEWPORT_SET: 604 if (copy_from_user(&ol_viewport_set, argp, 605 sizeof(overlay_viewport_set))) 606 return -EFAULT; 607 608 if (kyro_dev_overlay_viewport_set(ol_viewport_set.xOrgin, 609 ol_viewport_set.yOrgin, 610 ol_viewport_set.xSize, 611 ol_viewport_set.ySize) != 0) 612 { 613 printk(KERN_ERR "Kyro FB: failed to create overlay viewport.\n"); 614 return -EINVAL; 615 } 616 break; 617 case KYRO_IOCTL_SET_VIDEO_MODE: 618 { 619 printk(KERN_ERR "Kyro FB: KYRO_IOCTL_SET_VIDEO_MODE is" 620 "obsolete, use the appropriate fb_ioctl()" 621 "command instead.\n"); 622 return -EINVAL; 623 } 624 case KYRO_IOCTL_UVSTRIDE: 625 if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(deviceInfo.ulOverlayUVStride))) 626 return -EFAULT; 627 break; 628 case KYRO_IOCTL_STRIDE: 629 if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(deviceInfo.ulOverlayStride))) 630 return -EFAULT; 631 break; 632 case KYRO_IOCTL_OVERLAY_OFFSET: 633 if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(deviceInfo.ulOverlayOffset))) 634 return -EFAULT; 635 break; 636 } 637 638 return 0; 639 } 640 641 static const struct pci_device_id kyrofb_pci_tbl[] = { 642 { PCI_VENDOR_ID_ST, PCI_DEVICE_ID_STG4000, 643 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, 644 { 0, } 645 }; 646 647 MODULE_DEVICE_TABLE(pci, kyrofb_pci_tbl); 648 649 static struct pci_driver kyrofb_pci_driver = { 650 .name = "kyrofb", 651 .id_table = kyrofb_pci_tbl, 652 .probe = kyrofb_probe, 653 .remove = kyrofb_remove, 654 }; 655 656 static const struct fb_ops kyrofb_ops = { 657 .owner = THIS_MODULE, 658 .fb_check_var = kyrofb_check_var, 659 .fb_set_par = kyrofb_set_par, 660 .fb_setcolreg = kyrofb_setcolreg, 661 .fb_ioctl = kyrofb_ioctl, 662 .fb_fillrect = cfb_fillrect, 663 .fb_copyarea = cfb_copyarea, 664 .fb_imageblit = cfb_imageblit, 665 }; 666 667 static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 668 { 669 struct fb_info *info; 670 struct kyrofb_info *currentpar; 671 unsigned long size; 672 int err; 673 674 if ((err = pci_enable_device(pdev))) { 675 printk(KERN_WARNING "kyrofb: Can't enable pdev: %d\n", err); 676 return err; 677 } 678 679 info = framebuffer_alloc(sizeof(struct kyrofb_info), &pdev->dev); 680 if (!info) 681 return -ENOMEM; 682 683 currentpar = info->par; 684 685 kyro_fix.smem_start = pci_resource_start(pdev, 0); 686 kyro_fix.smem_len = pci_resource_len(pdev, 0); 687 kyro_fix.mmio_start = pci_resource_start(pdev, 1); 688 kyro_fix.mmio_len = pci_resource_len(pdev, 1); 689 690 currentpar->regbase = deviceInfo.pSTGReg = 691 ioremap(kyro_fix.mmio_start, kyro_fix.mmio_len); 692 if (!currentpar->regbase) 693 goto out_free_fb; 694 695 info->screen_base = pci_ioremap_wc_bar(pdev, 0); 696 if (!info->screen_base) 697 goto out_unmap_regs; 698 699 if (!nomtrr) 700 currentpar->wc_cookie = arch_phys_wc_add(kyro_fix.smem_start, 701 kyro_fix.smem_len); 702 703 kyro_fix.ypanstep = nopan ? 0 : 1; 704 kyro_fix.ywrapstep = nowrap ? 0 : 1; 705 706 info->fbops = &kyrofb_ops; 707 info->fix = kyro_fix; 708 info->pseudo_palette = currentpar->palette; 709 info->flags = FBINFO_DEFAULT; 710 711 SetCoreClockPLL(deviceInfo.pSTGReg, pdev); 712 713 deviceInfo.ulNextFreeVidMem = 0; 714 deviceInfo.ulOverlayOffset = 0; 715 716 /* This should give a reasonable default video mode */ 717 if (!fb_find_mode(&info->var, info, mode_option, kyro_modedb, 718 NUM_TOTAL_MODES, &kyro_modedb[VMODE_1024_768_75], 32)) 719 info->var = kyro_var; 720 721 fb_alloc_cmap(&info->cmap, 256, 0); 722 723 kyrofb_set_par(info); 724 kyrofb_check_var(&info->var, info); 725 726 size = get_line_length(info->var.xres_virtual, 727 info->var.bits_per_pixel); 728 size *= info->var.yres_virtual; 729 730 fb_memset(info->screen_base, 0, size); 731 732 if (register_framebuffer(info) < 0) 733 goto out_unmap; 734 735 fb_info(info, "%s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n", 736 info->fix.id, 737 info->var.xres, info->var.yres, info->var.bits_per_pixel, 738 size >> 10, (unsigned long)info->fix.smem_len >> 10); 739 740 pci_set_drvdata(pdev, info); 741 742 return 0; 743 744 out_unmap: 745 iounmap(info->screen_base); 746 out_unmap_regs: 747 iounmap(currentpar->regbase); 748 out_free_fb: 749 framebuffer_release(info); 750 751 return -EINVAL; 752 } 753 754 static void kyrofb_remove(struct pci_dev *pdev) 755 { 756 struct fb_info *info = pci_get_drvdata(pdev); 757 struct kyrofb_info *par = info->par; 758 759 /* Reset the board */ 760 StopVTG(deviceInfo.pSTGReg); 761 DisableRamdacOutput(deviceInfo.pSTGReg); 762 763 /* Sync up the PLL */ 764 SetCoreClockPLL(deviceInfo.pSTGReg, pdev); 765 766 deviceInfo.ulNextFreeVidMem = 0; 767 deviceInfo.ulOverlayOffset = 0; 768 769 iounmap(info->screen_base); 770 iounmap(par->regbase); 771 772 arch_phys_wc_del(par->wc_cookie); 773 774 unregister_framebuffer(info); 775 framebuffer_release(info); 776 } 777 778 static int __init kyrofb_init(void) 779 { 780 #ifndef MODULE 781 char *option = NULL; 782 783 if (fb_get_options("kyrofb", &option)) 784 return -ENODEV; 785 kyrofb_setup(option); 786 #endif 787 return pci_register_driver(&kyrofb_pci_driver); 788 } 789 790 static void __exit kyrofb_exit(void) 791 { 792 pci_unregister_driver(&kyrofb_pci_driver); 793 } 794 795 module_init(kyrofb_init); 796 797 #ifdef MODULE 798 module_exit(kyrofb_exit); 799 #endif 800 801 MODULE_AUTHOR("STMicroelectronics; Paul Mundt <lethal@linux-sh.org>"); 802 MODULE_LICENSE("GPL"); 803