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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 | /* * linux/drivers/video/igafb.c -- Frame buffer device for IGA 1682 * * Copyright (C) 1998 Vladimir Roganov and Gleb Raiko * * This driver is partly based on the Frame buffer device for ATI Mach64 * and partially on VESA-related code. * * Copyright (C) 1997-1998 Geert Uytterhoeven * Copyright (C) 1998 Bernd Harries * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for * more details. */ /****************************************************************************** TODO: Despite of IGA Card has advanced graphic acceleration, initial version is almost dummy and does not support it. Support for video modes and acceleration must be added together with accelerated X-Windows driver implementation. Most important thing at this moment is that we have working JavaEngine1 console & X with new console interface. ******************************************************************************/ #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/mm.h> #include <linux/tty.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/fb.h> #include <linux/selection.h> #include <linux/console.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/nvram.h> #include <linux/kd.h> #include <linux/vt_kern.h> #include <asm/io.h> #ifdef __sparc__ #include <asm/pbm.h> #include <asm/pcic.h> #endif #include <video/fbcon.h> #include <video/fbcon-cfb8.h> #include <video/fbcon-cfb16.h> #include <video/fbcon-cfb24.h> #include <video/fbcon-cfb32.h> #include "iga.h" static char igafb_name[16] = "IGA 1682"; static char fontname[40] __initdata = { 0 }; struct pci_mmap_map { unsigned long voff; unsigned long poff; unsigned long size; unsigned long prot_flag; unsigned long prot_mask; }; struct fb_info_iga { struct fb_info fb_info; unsigned long frame_buffer_phys; char *frame_buffer; unsigned long io_base_phys; unsigned long io_base; u32 total_vram; struct pci_mmap_map *mmap_map; struct { u_short blue, green, red, pad; } palette[256]; int video_cmap_len; int currcon; struct display disp; struct display_switch dispsw; union { #ifdef FBCON_HAS_CFB16 u16 cfb16[16]; #endif #ifdef FBCON_HAS_CFB24 u32 cfb24[16]; #endif #ifdef FBCON_HAS_CFB32 u32 cfb32[16]; #endif } fbcon_cmap; #ifdef __sparc__ u8 open; u8 mmaped; int vtconsole; int consolecnt; #endif }; struct fb_var_screeninfo default_var = { /* 640x480, 60 Hz, Non-Interlaced (25.175 MHz dotclock) */ 640, 480, 640, 480, 0, 0, 8, 0, {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, 0, 0, -1, -1, 0, 39722, 48, 16, 33, 10, 96, 2, 0, FB_VMODE_NONINTERLACED }; #ifdef __sparc__ struct fb_var_screeninfo default_var_1024x768 __initdata = { /* 1024x768, 75 Hz, Non-Interlaced (78.75 MHz dotclock) */ 1024, 768, 1024, 768, 0, 0, 8, 0, {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, 0, 0, -1, -1, 0, 12699, 176, 16, 28, 1, 96, 3, FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }; struct fb_var_screeninfo default_var_1152x900 __initdata = { /* 1152x900, 76 Hz, Non-Interlaced (110.0 MHz dotclock) */ 1152, 900, 1152, 900, 0, 0, 8, 0, {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, 0, 0, -1, -1, 0, 9091, 234, 24, 34, 3, 100, 3, FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }; struct fb_var_screeninfo default_var_1280x1024 __initdata = { /* 1280x1024, 75 Hz, Non-Interlaced (135.00 MHz dotclock) */ 1280, 1024, 1280, 1024, 0, 0, 8, 0, {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, 0, 0, -1, -1, 0, 7408, 248, 16, 38, 1, 144, 3, FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }; /* * Memory-mapped I/O functions for Sparc PCI * * On sparc we happen to access I/O with memory mapped functions too. */ #define pci_inb(info, reg) readb(info->io_base+(reg)) #define pci_outb(info, val, reg) writeb(val, info->io_base+(reg)) static inline unsigned int iga_inb(struct fb_info_iga *info, unsigned int reg, unsigned int idx ) { pci_outb(info, idx, reg); return pci_inb(info, reg + 1); } static inline void iga_outb(struct fb_info_iga *info, unsigned char val, unsigned int reg, unsigned int idx ) { pci_outb(info, idx, reg); pci_outb(info, val, reg+1); } #endif /* __sparc__ */ /* * Very important functionality for the JavaEngine1 computer: * make screen border black (usign special IGA registers) */ static void iga_blank_border(struct fb_info_iga *info) { int i; #if 0 /* * PROM does this for us, so keep this code as a reminder * about required read from 0x3DA and writing of 0x20 in the end. */ (void) pci_inb(info, 0x3DA); /* required for every access */ pci_outb(info, IGA_IDX_VGA_OVERSCAN, IGA_ATTR_CTL); (void) pci_inb(info, IGA_ATTR_CTL+1); pci_outb(info, 0x38, IGA_ATTR_CTL); pci_outb(info, 0x20, IGA_ATTR_CTL); /* re-enable visual */ #endif /* * This does not work as it was designed because the overscan * color is looked up in the palette. Therefore, under X11 * overscan changes color. */ for (i=0; i < 3; i++) iga_outb(info, 0, IGA_EXT_CNTRL, IGA_IDX_OVERSCAN_COLOR + i); } /* * Frame buffer device API */ static int igafb_update_var(int con, struct fb_info *info) { return 0; } static int igafb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info) { struct fb_info_iga *fb = (struct fb_info_iga*)info; memset(fix, 0, sizeof(struct fb_fix_screeninfo)); strcpy(fix->id, igafb_name); fix->smem_start = (unsigned long) fb->frame_buffer; fix->smem_len = fb->total_vram; fix->xpanstep = 0; fix->ypanstep = 0; fix->ywrapstep = 0; fix->type = FB_TYPE_PACKED_PIXELS; fix->type_aux = 0; fix->line_length = default_var.xres * (default_var.bits_per_pixel/8); fix->visual = default_var.bits_per_pixel <= 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR; return 0; } static int igafb_get_var(struct fb_var_screeninfo *var, int con, struct fb_info *info) { if(con == -1) memcpy(var, &default_var, sizeof(struct fb_var_screeninfo)); else *var = fb_display[con].var; return 0; } static int igafb_set_var(struct fb_var_screeninfo *var, int con, struct fb_info *info) { memcpy(var, &default_var, sizeof(struct fb_var_screeninfo)); return 0; } #ifdef __sparc__ static int igafb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma) { struct fb_info_iga *fb = (struct fb_info_iga *)info; unsigned int size, page, map_size = 0; unsigned long map_offset = 0; int i; if (!fb->mmap_map) return -ENXIO; size = vma->vm_end - vma->vm_start; /* To stop the swapper from even considering these pages. */ vma->vm_flags |= (VM_SHM | VM_LOCKED); /* Each page, see which map applies */ for (page = 0; page < size; ) { map_size = 0; for (i = 0; fb->mmap_map[i].size; i++) { unsigned long start = fb->mmap_map[i].voff; unsigned long end = start + fb->mmap_map[i].size; unsigned long offset = (vma->vm_pgoff << PAGE_SHIFT) + page; if (start > offset) continue; if (offset >= end) continue; map_size = fb->mmap_map[i].size - (offset - start); map_offset = fb->mmap_map[i].poff + (offset - start); break; } if (!map_size) { page += PAGE_SIZE; continue; } if (page + map_size > size) map_size = size - page; pgprot_val(vma->vm_page_prot) &= ~(fb->mmap_map[i].prot_mask); pgprot_val(vma->vm_page_prot) |= fb->mmap_map[i].prot_flag; if (remap_page_range(vma->vm_start + page, map_offset, map_size, vma->vm_page_prot)) return -EAGAIN; page += map_size; } if (!map_size) return -EINVAL; vma->vm_flags |= VM_IO; if (!fb->mmaped) { int lastconsole = 0; if (info->display_fg) lastconsole = info->display_fg->vc_num; fb->mmaped = 1; if (fb->consolecnt && fb_display[lastconsole].fb_info ==info) { fb->vtconsole = lastconsole; vt_cons[lastconsole]->vc_mode = KD_GRAPHICS; } } return 0; } #endif /* __sparc__ */ static int iga_getcolreg(unsigned regno, unsigned *red, unsigned *green, unsigned *blue, unsigned *transp, struct fb_info *fb_info) { /* * Read a single color register and split it into colors/transparent. * Return != 0 for invalid regno. */ struct fb_info_iga *info = (struct fb_info_iga*) fb_info; if (regno >= info->video_cmap_len) return 1; *red = info->palette[regno].red; *green = info->palette[regno].green; *blue = info->palette[regno].blue; *transp = 0; return 0; } static int iga_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *fb_info) { /* * Set a single color register. The values supplied are * already rounded down to the hardware's capabilities * (according to the entries in the `var' structure). Return * != 0 for invalid regno. */ struct fb_info_iga *info = (struct fb_info_iga*) fb_info; if (regno >= info->video_cmap_len) return 1; info->palette[regno].red = red; info->palette[regno].green = green; info->palette[regno].blue = blue; pci_outb(info, regno, DAC_W_INDEX); pci_outb(info, red, DAC_DATA); pci_outb(info, green, DAC_DATA); pci_outb(info, blue, DAC_DATA); if (regno < 16) { switch (default_var.bits_per_pixel) { #ifdef FBCON_HAS_CFB16 case 16: info->fbcon_cmap.cfb16[regno] = (regno << 10) | (regno << 5) | regno; break; #endif #ifdef FBCON_HAS_CFB24 case 24: info->fbcon_cmap.cfb24[regno] = (regno << 16) | (regno << 8) | regno; break; #endif #ifdef FBCON_HAS_CFB32 case 32: { int i; i = (regno << 8) | regno; info->fbcon_cmap.cfb32[regno] = (i << 16) | i; } break; #endif } } return 0; } static void do_install_cmap(int con, struct fb_info *fb_info) { struct fb_info_iga *info = (struct fb_info_iga*) fb_info; if (con != info->currcon) return; if (fb_display[con].cmap.len) fb_set_cmap(&fb_display[con].cmap, 1, iga_setcolreg, &info->fb_info); else fb_set_cmap(fb_default_cmap(info->video_cmap_len), 1, iga_setcolreg, &info->fb_info); } static int igafb_get_cmap(struct fb_cmap *cmap, int kspc, int con, struct fb_info *fb_info) { struct fb_info_iga *info = (struct fb_info_iga*) fb_info; if (con == info->currcon) /* current console? */ return fb_get_cmap(cmap, kspc, iga_getcolreg, &info->fb_info); else if (fb_display[con].cmap.len) /* non default colormap? */ fb_copy_cmap(&fb_display[con].cmap, cmap, kspc ? 0 : 2); else fb_copy_cmap(fb_default_cmap(info->video_cmap_len), cmap, kspc ? 0 : 2); return 0; } static int igafb_set_cmap(struct fb_cmap *cmap, int kspc, int con, struct fb_info *info) { int err; struct fb_info_iga *fb = (struct fb_info_iga*) info; if (!fb_display[con].cmap.len) { /* no colormap allocated? */ err = fb_alloc_cmap(&fb_display[con].cmap, fb->video_cmap_len,0); if (err) return err; } if (con == fb->currcon) /* current console? */ return fb_set_cmap(cmap, kspc, iga_setcolreg, info); else fb_copy_cmap(cmap, &fb_display[con].cmap, kspc ? 0 : 1); return 0; } /* * Framebuffer option structure */ static struct fb_ops igafb_ops = { owner: THIS_MODULE, fb_get_fix: igafb_get_fix, fb_get_var: igafb_get_var, fb_set_var: igafb_set_var, fb_get_cmap: igafb_get_cmap, fb_set_cmap: igafb_set_cmap, #ifdef __sparc__ fb_mmap: igafb_mmap, #endif }; static void igafb_set_disp(int con, struct fb_info_iga *info) { struct fb_fix_screeninfo fix; struct display *display; struct display_switch *sw; if (con >= 0) display = &fb_display[con]; else display = &info->disp; /* used during initialization */ igafb_get_fix(&fix, con, &info->fb_info); memset(display, 0, sizeof(struct display)); display->screen_base = info->frame_buffer; display->visual = fix.visual; display->type = fix.type; display->type_aux = fix.type_aux; display->ypanstep = fix.ypanstep; display->ywrapstep = fix.ywrapstep; display->line_length = fix.line_length; display->next_line = fix.line_length; display->can_soft_blank = 0; display->inverse = 0; igafb_get_var(&display->var, -1, &info->fb_info); switch (default_var.bits_per_pixel) { #ifdef FBCON_HAS_CFB8 case 8: sw = &fbcon_cfb8; break; #endif #ifdef FBCON_HAS_CFB16 case 15: case 16: sw = &fbcon_cfb16; display->dispsw_data = info->fbcon_cmap.cfb16; break; #endif #ifdef FBCON_HAS_CFB24 case 24: sw = &fbcon_cfb24; display->dispsw_data = info->fbcon_cmap.cfb24; break; #endif #ifdef FBCON_HAS_CFB32 case 32: sw = &fbcon_cfb32; display->dispsw_data = info->fbcon_cmap.cfb32; break; #endif default: printk(KERN_WARNING "igafb_set_disp: unknown resolution %d\n", default_var.bits_per_pixel); return; } memcpy(&info->dispsw, sw, sizeof(*sw)); display->dispsw = &info->dispsw; display->scrollmode = SCROLL_YREDRAW; info->dispsw.bmove = fbcon_redraw_bmove; } static int igafb_switch(int con, struct fb_info *fb_info) { struct fb_info_iga *info = (struct fb_info_iga*) fb_info; /* Do we have to save the colormap? */ if (fb_display[info->currcon].cmap.len) fb_get_cmap(&fb_display[info->currcon].cmap, 1, iga_getcolreg, fb_info); info->currcon = con; /* Install new colormap */ do_install_cmap(con, fb_info); igafb_update_var(con, fb_info); return 1; } /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */ static void igafb_blank(int blank, struct fb_info *info) { /* Not supported */ } static int __init iga_init(struct fb_info_iga *info) { char vramsz = iga_inb(info, IGA_EXT_CNTRL, IGA_IDX_EXT_BUS_CNTL) & MEM_SIZE_ALIAS; switch (vramsz) { case MEM_SIZE_1M: info->total_vram = 0x100000; break; case MEM_SIZE_2M: info->total_vram = 0x200000; break; case MEM_SIZE_4M: case MEM_SIZE_RESERVED: info->total_vram = 0x400000; break; } if (default_var.bits_per_pixel > 8) { info->video_cmap_len = 16; } else { info->video_cmap_len = 256; } { int j, k; for (j = 0; j < 16; j++) { k = color_table[j]; info->palette[j].red = default_red[k]; info->palette[j].green = default_grn[k]; info->palette[j].blue = default_blu[k]; } } strcpy(info->fb_info.modename, igafb_name); info->fb_info.node = -1; info->fb_info.fbops = &igafb_ops; info->fb_info.disp = &info->disp; strcpy(info->fb_info.fontname, fontname); info->fb_info.changevar = NULL; info->fb_info.switch_con = &igafb_switch; info->fb_info.updatevar = &igafb_update_var; info->fb_info.blank = &igafb_blank; info->fb_info.flags=FBINFO_FLAG_DEFAULT; igafb_set_disp(-1, info); if (register_framebuffer(&info->fb_info) < 0) return 0; printk("fb%d: %s frame buffer device at 0x%08lx [%dMB VRAM]\n", GET_FB_IDX(info->fb_info.node), igafb_name, info->frame_buffer_phys, info->total_vram >> 20); iga_blank_border(info); return 1; } int __init igafb_init(void) { struct pci_dev *pdev; struct fb_info_iga *info; unsigned long addr; extern int con_is_present(void); int iga2000 = 0; /* Do not attach when we have a serial console. */ if (!con_is_present()) return -ENXIO; pdev = pci_find_device(PCI_VENDOR_ID_INTERG, PCI_DEVICE_ID_INTERG_1682, 0); if (pdev == NULL) { /* * XXX We tried to use cyber2000fb.c for IGS 2000. * But it does not initialize the chip in JavaStation-E, alas. */ pdev = pci_find_device(PCI_VENDOR_ID_INTERG, 0x2000, 0); if(pdev == NULL) { return -ENXIO; } iga2000 = 1; } info = kmalloc(sizeof(struct fb_info_iga), GFP_ATOMIC); if (!info) { printk("igafb_init: can't alloc fb_info_iga\n"); return -ENOMEM; } memset(info, 0, sizeof(struct fb_info_iga)); if ((addr = pdev->resource[0].start) == 0) { printk("igafb_init: no memory start\n"); kfree(info); return -ENXIO; } if ((info->frame_buffer = ioremap(addr, 1024*1024*2)) == 0) { printk("igafb_init: can't remap %lx[2M]\n", addr); kfree(info); return -ENXIO; } info->frame_buffer_phys = addr & PCI_BASE_ADDRESS_MEM_MASK; #ifdef __sparc__ /* * The following is sparc specific and this is why: * * IGS2000 has its I/O memory mapped and we want * to generate memory cycles on PCI, e.g. do ioremap(), * then readb/writeb() as in Documentation/IO-mapping.txt. * * IGS1682 is more traditional, it responds to PCI I/O * cycles, so we want to access it with inb()/outb(). * * On sparc, PCIC converts CPU memory access within * phys window 0x3000xxxx into PCI I/O cycles. Therefore * we may use readb/writeb to access them with IGS1682. * * We do not take io_base_phys from resource[n].start * on IGS1682 because that chip is BROKEN. It does not * have a base register for I/O. We just "know" what its * I/O addresses are. */ if (iga2000) { info->io_base_phys = info->frame_buffer_phys | 0x00800000; } else { info->io_base_phys = 0x30000000; /* XXX */ } if ((info->io_base = (int) ioremap(info->io_base_phys, 0x1000)) == 0) { printk("igafb_init: can't remap %lx[4K]\n", info->io_base_phys); iounmap((void *)info->frame_buffer); kfree(info); return -ENXIO; } /* * Figure mmap addresses from PCI config space. * We need two regions: for video memory and for I/O ports. * Later one can add region for video coprocessor registers. * However, mmap routine loops until size != 0, so we put * one additional region with size == 0. */ info->mmap_map = kmalloc(4 * sizeof(*info->mmap_map), GFP_ATOMIC); if (!info->mmap_map) { printk("igafb_init: can't alloc mmap_map\n"); iounmap((void *)info->io_base); iounmap(info->frame_buffer); kfree(info); return -ENOMEM; } memset(info->mmap_map, 0, 4 * sizeof(*info->mmap_map)); /* * Set default vmode and cmode from PROM properties. */ { struct pcidev_cookie *cookie = pdev->sysdata; int node = cookie->prom_node; int width = prom_getintdefault(node, "width", 1024); int height = prom_getintdefault(node, "height", 768); int depth = prom_getintdefault(node, "depth", 8); switch (width) { case 1024: if (height == 768) default_var = default_var_1024x768; break; case 1152: if (height == 900) default_var = default_var_1152x900; break; case 1280: if (height == 1024) default_var = default_var_1280x1024; break; default: break; } switch (depth) { case 8: default_var.bits_per_pixel = 8; break; case 16: default_var.bits_per_pixel = 16; break; case 24: default_var.bits_per_pixel = 24; break; case 32: default_var.bits_per_pixel = 32; break; default: break; } } #endif if (!iga_init(info)) { iounmap((void *)info->io_base); iounmap(info->frame_buffer); if (info->mmap_map) kfree(info->mmap_map); kfree(info); } #ifdef __sparc__ /* * Add /dev/fb mmap values. */ /* First region is for video memory */ info->mmap_map[0].voff = 0x0; info->mmap_map[0].poff = info->frame_buffer_phys & PAGE_MASK; info->mmap_map[0].size = info->total_vram & PAGE_MASK; info->mmap_map[0].prot_mask = SRMMU_CACHE; info->mmap_map[0].prot_flag = SRMMU_WRITE; /* Second region is for I/O ports */ info->mmap_map[1].voff = info->frame_buffer_phys & PAGE_MASK; info->mmap_map[1].poff = info->io_base_phys & PAGE_MASK; info->mmap_map[1].size = PAGE_SIZE * 2; /* X wants 2 pages */ info->mmap_map[1].prot_mask = SRMMU_CACHE; info->mmap_map[1].prot_flag = SRMMU_WRITE; #endif /* __sparc__ */ return 0; } int __init igafb_setup(char *options) { char *this_opt; if (!options || !*options) return 0; for (this_opt = strtok(options, ","); this_opt; this_opt = strtok(NULL, ",")) { if (!strncmp(this_opt, "font:", 5)) { char *p; int i; p = this_opt + 5; for (i = 0; i < sizeof(fontname) - 1; i++) if (!*p || *p == ' ' || *p == ',') break; memcpy(fontname, this_opt + 5, i); fontname[i] = 0; } } return 0; } |