1/* 2 * linux/drivers/video/console/sticore.c - 3 * core code for console driver using HP's STI firmware 4 * 5 * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> 6 * Copyright (C) 2001-2013 Helge Deller <deller@gmx.de> 7 * Copyright (C) 2001-2002 Thomas Bogendoerfer <tsbogend@alpha.franken.de> 8 * 9 * TODO: 10 * - call STI in virtual mode rather than in real mode 11 * - screen blanking with state_mgmt() in text mode STI ? 12 * - try to make it work on m68k hp workstations ;) 13 * 14 */ 15 16#include <linux/module.h> 17#include <linux/types.h> 18#include <linux/kernel.h> 19#include <linux/slab.h> 20#include <linux/init.h> 21#include <linux/pci.h> 22#include <linux/font.h> 23 24#include <asm/hardware.h> 25#include <asm/page.h> 26#include <asm/parisc-device.h> 27#include <asm/pdc.h> 28#include <asm/cacheflush.h> 29#include <asm/grfioctl.h> 30 31#include "../fbdev/sticore.h" 32 33#define STI_DRIVERVERSION "Version 0.9b" 34 35static struct sti_struct *default_sti __read_mostly; 36 37/* number of STI ROMS found and their ptrs to each struct */ 38static int num_sti_roms __read_mostly; 39static struct sti_struct *sti_roms[MAX_STI_ROMS] __read_mostly; 40 41 42/* The colour indices used by STI are 43 * 0 - Black 44 * 1 - White 45 * 2 - Red 46 * 3 - Yellow/Brown 47 * 4 - Green 48 * 5 - Cyan 49 * 6 - Blue 50 * 7 - Magenta 51 * 52 * So we have the same colours as VGA (basically one bit each for R, G, B), 53 * but have to translate them, anyway. */ 54 55static const u8 col_trans[8] = { 56 0, 6, 4, 5, 57 2, 7, 3, 1 58}; 59 60#define c_fg(sti, c) col_trans[((c>> 8) & 7)] 61#define c_bg(sti, c) col_trans[((c>>11) & 7)] 62#define c_index(sti, c) ((c) & 0xff) 63 64static const struct sti_init_flags default_init_flags = { 65 .wait = STI_WAIT, 66 .reset = 1, 67 .text = 1, 68 .nontext = 1, 69 .no_chg_bet = 1, 70 .no_chg_bei = 1, 71 .init_cmap_tx = 1, 72}; 73 74static int sti_init_graph(struct sti_struct *sti) 75{ 76 struct sti_init_inptr *inptr = &sti->sti_data->init_inptr; 77 struct sti_init_inptr_ext *inptr_ext = &sti->sti_data->init_inptr_ext; 78 struct sti_init_outptr *outptr = &sti->sti_data->init_outptr; 79 unsigned long flags; 80 int ret, err; 81 82 spin_lock_irqsave(&sti->lock, flags); 83 84 memset(inptr, 0, sizeof(*inptr)); 85 inptr->text_planes = 3; /* # of text planes (max 3 for STI) */ 86 memset(inptr_ext, 0, sizeof(*inptr_ext)); 87 inptr->ext_ptr = STI_PTR(inptr_ext); 88 outptr->errno = 0; 89 90 ret = sti_call(sti, sti->init_graph, &default_init_flags, inptr, 91 outptr, sti->glob_cfg); 92 93 if (ret >= 0) 94 sti->text_planes = outptr->text_planes; 95 err = outptr->errno; 96 97 spin_unlock_irqrestore(&sti->lock, flags); 98 99 if (ret < 0) { 100 pr_err("STI init_graph failed (ret %d, errno %d)\n", ret, err); 101 return -1; 102 } 103 104 return 0; 105} 106 107static const struct sti_conf_flags default_conf_flags = { 108 .wait = STI_WAIT, 109}; 110 111static void sti_inq_conf(struct sti_struct *sti) 112{ 113 struct sti_conf_inptr *inptr = &sti->sti_data->inq_inptr; 114 struct sti_conf_outptr *outptr = &sti->sti_data->inq_outptr; 115 unsigned long flags; 116 s32 ret; 117 118 outptr->ext_ptr = STI_PTR(&sti->sti_data->inq_outptr_ext); 119 120 do { 121 spin_lock_irqsave(&sti->lock, flags); 122 memset(inptr, 0, sizeof(*inptr)); 123 ret = sti_call(sti, sti->inq_conf, &default_conf_flags, 124 inptr, outptr, sti->glob_cfg); 125 spin_unlock_irqrestore(&sti->lock, flags); 126 } while (ret == 1); 127} 128 129static const struct sti_font_flags default_font_flags = { 130 .wait = STI_WAIT, 131 .non_text = 0, 132}; 133 134void 135sti_putc(struct sti_struct *sti, int c, int y, int x) 136{ 137 struct sti_font_inptr *inptr = &sti->sti_data->font_inptr; 138 struct sti_font_inptr inptr_default = { 139 .font_start_addr= STI_PTR(sti->font->raw), 140 .index = c_index(sti, c), 141 .fg_color = c_fg(sti, c), 142 .bg_color = c_bg(sti, c), 143 .dest_x = x * sti->font_width, 144 .dest_y = y * sti->font_height, 145 }; 146 struct sti_font_outptr *outptr = &sti->sti_data->font_outptr; 147 s32 ret; 148 unsigned long flags; 149 150 do { 151 spin_lock_irqsave(&sti->lock, flags); 152 *inptr = inptr_default; 153 ret = sti_call(sti, sti->font_unpmv, &default_font_flags, 154 inptr, outptr, sti->glob_cfg); 155 spin_unlock_irqrestore(&sti->lock, flags); 156 } while (ret == 1); 157} 158 159static const struct sti_blkmv_flags clear_blkmv_flags = { 160 .wait = STI_WAIT, 161 .color = 1, 162 .clear = 1, 163}; 164 165void 166sti_set(struct sti_struct *sti, int src_y, int src_x, 167 int height, int width, u8 color) 168{ 169 struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; 170 struct sti_blkmv_inptr inptr_default = { 171 .fg_color = color, 172 .bg_color = color, 173 .src_x = src_x, 174 .src_y = src_y, 175 .dest_x = src_x, 176 .dest_y = src_y, 177 .width = width, 178 .height = height, 179 }; 180 struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; 181 s32 ret; 182 unsigned long flags; 183 184 do { 185 spin_lock_irqsave(&sti->lock, flags); 186 *inptr = inptr_default; 187 ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, 188 inptr, outptr, sti->glob_cfg); 189 spin_unlock_irqrestore(&sti->lock, flags); 190 } while (ret == 1); 191} 192 193void 194sti_clear(struct sti_struct *sti, int src_y, int src_x, 195 int height, int width, int c) 196{ 197 struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; 198 struct sti_blkmv_inptr inptr_default = { 199 .fg_color = c_fg(sti, c), 200 .bg_color = c_bg(sti, c), 201 .src_x = src_x * sti->font_width, 202 .src_y = src_y * sti->font_height, 203 .dest_x = src_x * sti->font_width, 204 .dest_y = src_y * sti->font_height, 205 .width = width * sti->font_width, 206 .height = height* sti->font_height, 207 }; 208 struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; 209 s32 ret; 210 unsigned long flags; 211 212 do { 213 spin_lock_irqsave(&sti->lock, flags); 214 *inptr = inptr_default; 215 ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, 216 inptr, outptr, sti->glob_cfg); 217 spin_unlock_irqrestore(&sti->lock, flags); 218 } while (ret == 1); 219} 220 221static const struct sti_blkmv_flags default_blkmv_flags = { 222 .wait = STI_WAIT, 223}; 224 225void 226sti_bmove(struct sti_struct *sti, int src_y, int src_x, 227 int dst_y, int dst_x, int height, int width) 228{ 229 struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; 230 struct sti_blkmv_inptr inptr_default = { 231 .src_x = src_x * sti->font_width, 232 .src_y = src_y * sti->font_height, 233 .dest_x = dst_x * sti->font_width, 234 .dest_y = dst_y * sti->font_height, 235 .width = width * sti->font_width, 236 .height = height* sti->font_height, 237 }; 238 struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; 239 s32 ret; 240 unsigned long flags; 241 242 do { 243 spin_lock_irqsave(&sti->lock, flags); 244 *inptr = inptr_default; 245 ret = sti_call(sti, sti->block_move, &default_blkmv_flags, 246 inptr, outptr, sti->glob_cfg); 247 spin_unlock_irqrestore(&sti->lock, flags); 248 } while (ret == 1); 249} 250 251 252static void sti_flush(unsigned long start, unsigned long end) 253{ 254 flush_icache_range(start, end); 255} 256 257static void sti_rom_copy(unsigned long base, unsigned long count, void *dest) 258{ 259 unsigned long dest_start = (unsigned long) dest; 260 261 /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ 262 while (count >= 4) { 263 count -= 4; 264 *(u32 *)dest = gsc_readl(base); 265 base += 4; 266 dest += 4; 267 } 268 while (count) { 269 count--; 270 *(u8 *)dest = gsc_readb(base); 271 base++; 272 dest++; 273 } 274 275 sti_flush(dest_start, (unsigned long)dest); 276} 277 278 279 280 281static char default_sti_path[21] __read_mostly; 282 283#ifndef MODULE 284static int sti_setup(char *str) 285{ 286 if (str) 287 strlcpy (default_sti_path, str, sizeof (default_sti_path)); 288 289 return 1; 290} 291 292/* Assuming the machine has multiple STI consoles (=graphic cards) which 293 * all get detected by sticon, the user may define with the linux kernel 294 * parameter sti=<x> which of them will be the initial boot-console. 295 * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default 296 * STI screen. 297 */ 298__setup("sti=", sti_setup); 299#endif 300 301 302 303static char *font_name[MAX_STI_ROMS]; 304static int font_index[MAX_STI_ROMS], 305 font_height[MAX_STI_ROMS], 306 font_width[MAX_STI_ROMS]; 307#ifndef MODULE 308static int sti_font_setup(char *str) 309{ 310 char *x; 311 int i = 0; 312 313 /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 314 * or sti_font=7 style command lines. */ 315 316 while (i<MAX_STI_ROMS && str && *str) { 317 if (*str>='0' && *str<='9') { 318 if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { 319 font_height[i] = simple_strtoul(str, NULL, 0); 320 font_width[i] = simple_strtoul(x+1, NULL, 0); 321 } else { 322 font_index[i] = simple_strtoul(str, NULL, 0); 323 } 324 } else { 325 font_name[i] = str; /* fb font name */ 326 } 327 328 if ((x = strchr(str, ','))) 329 *x++ = 0; 330 str = x; 331 332 i++; 333 } 334 335 return 1; 336} 337 338/* The optional linux kernel parameter "sti_font" defines which font 339 * should be used by the sticon driver to draw characters to the screen. 340 * Possible values are: 341 * - sti_font=<fb_fontname>: 342 * <fb_fontname> is the name of one of the linux-kernel built-in 343 * framebuffer font names (e.g. VGA8x16, SUN22x18). 344 * This is only available if the fonts have been statically compiled 345 * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options. 346 * - sti_font=<number> 347 * most STI ROMs have built-in HP specific fonts, which can be selected 348 * by giving the desired number to the sticon driver. 349 * NOTE: This number is machine and STI ROM dependend. 350 * - sti_font=<height>x<width> (e.g. sti_font=16x8) 351 * <height> and <width> gives hints to the height and width of the 352 * font which the user wants. The sticon driver will try to use 353 * a font with this height and width, but if no suitable font is 354 * found, sticon will use the default 8x8 font. 355 */ 356__setup("sti_font=", sti_font_setup); 357#endif 358 359 360 361static void sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, 362 unsigned int sti_mem_request) 363{ 364 struct sti_glob_cfg_ext *cfg; 365 366 DPRINTK((KERN_INFO 367 "%d text planes\n" 368 "%4d x %4d screen resolution\n" 369 "%4d x %4d offscreen\n" 370 "%4d x %4d layout\n" 371 "regions at %08x %08x %08x %08x\n" 372 "regions at %08x %08x %08x %08x\n" 373 "reent_lvl %d\n" 374 "save_addr %08x\n", 375 glob_cfg->text_planes, 376 glob_cfg->onscreen_x, glob_cfg->onscreen_y, 377 glob_cfg->offscreen_x, glob_cfg->offscreen_y, 378 glob_cfg->total_x, glob_cfg->total_y, 379 glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], 380 glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], 381 glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], 382 glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], 383 glob_cfg->reent_lvl, 384 glob_cfg->save_addr)); 385 386 /* dump extended cfg */ 387 cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr); 388 DPRINTK(( KERN_INFO 389 "monitor %d\n" 390 "in friendly mode: %d\n" 391 "power consumption %d watts\n" 392 "freq ref %d\n" 393 "sti_mem_addr %08x (size=%d bytes)\n", 394 cfg->curr_mon, 395 cfg->friendly_boot, 396 cfg->power, 397 cfg->freq_ref, 398 cfg->sti_mem_addr, sti_mem_request)); 399} 400 401static void sti_dump_outptr(struct sti_struct *sti) 402{ 403 DPRINTK((KERN_INFO 404 "%d bits per pixel\n" 405 "%d used bits\n" 406 "%d planes\n" 407 "attributes %08x\n", 408 sti->sti_data->inq_outptr.bits_per_pixel, 409 sti->sti_data->inq_outptr.bits_used, 410 sti->sti_data->inq_outptr.planes, 411 sti->sti_data->inq_outptr.attributes)); 412} 413 414static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address, 415 unsigned long hpa) 416{ 417 struct sti_glob_cfg *glob_cfg; 418 struct sti_glob_cfg_ext *glob_cfg_ext; 419 void *save_addr; 420 void *sti_mem_addr; 421 int i, size; 422 423 if (sti->sti_mem_request < 256) 424 sti->sti_mem_request = 256; /* STI default */ 425 426 size = sizeof(struct sti_all_data) + sti->sti_mem_request - 256; 427 428 sti->sti_data = kzalloc(size, STI_LOWMEM); 429 if (!sti->sti_data) 430 return -ENOMEM; 431 432 glob_cfg = &sti->sti_data->glob_cfg; 433 glob_cfg_ext = &sti->sti_data->glob_cfg_ext; 434 save_addr = &sti->sti_data->save_addr; 435 sti_mem_addr = &sti->sti_data->sti_mem_addr; 436 437 glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext); 438 glob_cfg->save_addr = STI_PTR(save_addr); 439 for (i=0; i<8; i++) { 440 unsigned long newhpa, len; 441 442 if (sti->pd) { 443 unsigned char offs = sti->rm_entry[i]; 444 445 if (offs == 0) 446 continue; 447 if (offs != PCI_ROM_ADDRESS && 448 (offs < PCI_BASE_ADDRESS_0 || 449 offs > PCI_BASE_ADDRESS_5)) { 450 printk (KERN_WARNING 451 "STI pci region mapping for region %d (%02x) can't be mapped\n", 452 i,sti->rm_entry[i]); 453 continue; 454 } 455 newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4); 456 } else 457 newhpa = (i == 0) ? rom_address : hpa; 458 459 sti->regions_phys[i] = 460 REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa); 461 462 len = sti->regions[i].region_desc.length * 4096; 463 if (len) 464 glob_cfg->region_ptrs[i] = sti->regions_phys[i]; 465 466 DPRINTK(("region #%d: phys %08lx, region_ptr %08x, len=%lukB, " 467 "btlb=%d, sysonly=%d, cache=%d, last=%d\n", 468 i, sti->regions_phys[i], glob_cfg->region_ptrs[i], 469 len/1024, 470 sti->regions[i].region_desc.btlb, 471 sti->regions[i].region_desc.sys_only, 472 sti->regions[i].region_desc.cache, 473 sti->regions[i].region_desc.last)); 474 475 /* last entry reached ? */ 476 if (sti->regions[i].region_desc.last) 477 break; 478 } 479 480 if (++i<8 && sti->regions[i].region) 481 printk(KERN_WARNING "%s: *future ptr (0x%8x) not yet supported !\n", 482 __FILE__, sti->regions[i].region); 483 484 glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr); 485 486 sti->glob_cfg = glob_cfg; 487 488 return 0; 489} 490 491#ifdef CONFIG_FONT_SUPPORT 492static struct sti_cooked_font * 493sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) 494{ 495 const struct font_desc *fbfont = NULL; 496 unsigned int size, bpc; 497 void *dest; 498 struct sti_rom_font *nf; 499 struct sti_cooked_font *cooked_font; 500 501 if (fbfont_name && strlen(fbfont_name)) 502 fbfont = find_font(fbfont_name); 503 if (!fbfont) 504 fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0); 505 if (!fbfont) 506 return NULL; 507 508 pr_info("STI selected %dx%d framebuffer font %s for sticon\n", 509 fbfont->width, fbfont->height, fbfont->name); 510 511 bpc = ((fbfont->width+7)/8) * fbfont->height; 512 size = bpc * 256; 513 size += sizeof(struct sti_rom_font); 514 515 nf = kzalloc(size, STI_LOWMEM); 516 if (!nf) 517 return NULL; 518 519 nf->first_char = 0; 520 nf->last_char = 255; 521 nf->width = fbfont->width; 522 nf->height = fbfont->height; 523 nf->font_type = STI_FONT_HPROMAN8; 524 nf->bytes_per_char = bpc; 525 nf->next_font = 0; 526 nf->underline_height = 1; 527 nf->underline_pos = fbfont->height - nf->underline_height; 528 529 dest = nf; 530 dest += sizeof(struct sti_rom_font); 531 memcpy(dest, fbfont->data, bpc*256); 532 533 cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); 534 if (!cooked_font) { 535 kfree(nf); 536 return NULL; 537 } 538 539 cooked_font->raw = nf; 540 cooked_font->next_font = NULL; 541 542 cooked_rom->font_start = cooked_font; 543 544 return cooked_font; 545} 546#else 547static struct sti_cooked_font * 548sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) 549{ 550 return NULL; 551} 552#endif 553 554static struct sti_cooked_font *sti_select_font(struct sti_cooked_rom *rom, 555 int (*search_font_fnc)(struct sti_cooked_rom *, int, int)) 556{ 557 struct sti_cooked_font *font; 558 int i; 559 int index = num_sti_roms; 560 561 /* check for framebuffer-font first */ 562 if ((font = sti_select_fbfont(rom, font_name[index]))) 563 return font; 564 565 if (font_width[index] && font_height[index]) 566 font_index[index] = search_font_fnc(rom, 567 font_height[index], font_width[index]); 568 569 for (font = rom->font_start, i = font_index[index]; 570 font && (i > 0); 571 font = font->next_font, i--); 572 573 if (font) 574 return font; 575 else 576 return rom->font_start; 577} 578 579 580static void sti_dump_rom(struct sti_rom *rom) 581{ 582 printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n", 583 rom->graphics_id[0], 584 rom->graphics_id[1], 585 rom->revno[0] >> 4, 586 rom->revno[0] & 0x0f); 587 DPRINTK((" supports %d monitors\n", rom->num_mons)); 588 DPRINTK((" font start %08x\n", rom->font_start)); 589 DPRINTK((" region list %08x\n", rom->region_list)); 590 DPRINTK((" init_graph %08x\n", rom->init_graph)); 591 DPRINTK((" bus support %02x\n", rom->bus_support)); 592 DPRINTK((" ext bus support %02x\n", rom->ext_bus_support)); 593 DPRINTK((" alternate code type %d\n", rom->alt_code_type)); 594} 595 596 597static int sti_cook_fonts(struct sti_cooked_rom *cooked_rom, 598 struct sti_rom *raw_rom) 599{ 600 struct sti_rom_font *raw_font, *font_start; 601 struct sti_cooked_font *cooked_font; 602 603 cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); 604 if (!cooked_font) 605 return 0; 606 607 cooked_rom->font_start = cooked_font; 608 609 raw_font = ((void *)raw_rom) + (raw_rom->font_start); 610 611 font_start = raw_font; 612 cooked_font->raw = raw_font; 613 614 while (raw_font->next_font) { 615 raw_font = ((void *)font_start) + (raw_font->next_font); 616 617 cooked_font->next_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); 618 if (!cooked_font->next_font) 619 return 1; 620 621 cooked_font = cooked_font->next_font; 622 623 cooked_font->raw = raw_font; 624 } 625 626 cooked_font->next_font = NULL; 627 return 1; 628} 629 630 631static int sti_search_font(struct sti_cooked_rom *rom, int height, int width) 632{ 633 struct sti_cooked_font *font; 634 int i = 0; 635 636 for (font = rom->font_start; font; font = font->next_font, i++) { 637 if ((font->raw->width == width) && 638 (font->raw->height == height)) 639 return i; 640 } 641 return 0; 642} 643 644#define BMODE_RELOCATE(offset) offset = (offset) / 4; 645#define BMODE_LAST_ADDR_OFFS 0x50 646 647static void *sti_bmode_font_raw(struct sti_cooked_font *f) 648{ 649 unsigned char *n, *p, *q; 650 int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font); 651 652 n = kzalloc(4*size, STI_LOWMEM); 653 if (!n) 654 return NULL; 655 p = n + 3; 656 q = (unsigned char *)f->raw; 657 while (size--) { 658 *p = *q++; 659 p+=4; 660 } 661 return n + 3; 662} 663 664static void sti_bmode_rom_copy(unsigned long base, unsigned long count, 665 void *dest) 666{ 667 unsigned long dest_start = (unsigned long) dest; 668 669 while (count) { 670 count--; 671 *(u8 *)dest = gsc_readl(base); 672 base += 4; 673 dest++; 674 } 675 676 sti_flush(dest_start, (unsigned long)dest); 677} 678 679static struct sti_rom *sti_get_bmode_rom (unsigned long address) 680{ 681 struct sti_rom *raw; 682 u32 size; 683 struct sti_rom_font *raw_font, *font_start; 684 685 sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size); 686 687 size = (size+3) / 4; 688 raw = kmalloc(size, STI_LOWMEM); 689 if (raw) { 690 sti_bmode_rom_copy(address, size, raw); 691 memmove (&raw->res004, &raw->type[0], 0x3c); 692 raw->type[3] = raw->res004; 693 694 BMODE_RELOCATE (raw->region_list); 695 BMODE_RELOCATE (raw->font_start); 696 697 BMODE_RELOCATE (raw->init_graph); 698 BMODE_RELOCATE (raw->state_mgmt); 699 BMODE_RELOCATE (raw->font_unpmv); 700 BMODE_RELOCATE (raw->block_move); 701 BMODE_RELOCATE (raw->inq_conf); 702 703 raw_font = ((void *)raw) + raw->font_start; 704 font_start = raw_font; 705 706 while (raw_font->next_font) { 707 BMODE_RELOCATE (raw_font->next_font); 708 raw_font = ((void *)font_start) + raw_font->next_font; 709 } 710 } 711 return raw; 712} 713 714static struct sti_rom *sti_get_wmode_rom(unsigned long address) 715{ 716 struct sti_rom *raw; 717 unsigned long size; 718 719 /* read the ROM size directly from the struct in ROM */ 720 size = gsc_readl(address + offsetof(struct sti_rom,last_addr)); 721 722 raw = kmalloc(size, STI_LOWMEM); 723 if (raw) 724 sti_rom_copy(address, size, raw); 725 726 return raw; 727} 728 729static int sti_read_rom(int wordmode, struct sti_struct *sti, 730 unsigned long address) 731{ 732 struct sti_cooked_rom *cooked; 733 struct sti_rom *raw = NULL; 734 unsigned long revno; 735 736 cooked = kmalloc(sizeof *cooked, GFP_KERNEL); 737 if (!cooked) 738 goto out_err; 739 740 if (wordmode) 741 raw = sti_get_wmode_rom (address); 742 else 743 raw = sti_get_bmode_rom (address); 744 745 if (!raw) 746 goto out_err; 747 748 if (!sti_cook_fonts(cooked, raw)) { 749 printk(KERN_ERR "No font found for STI at %08lx\n", address); 750 goto out_err; 751 } 752 753 if (raw->region_list) 754 memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions)); 755 756 address = (unsigned long) STI_PTR(raw); 757 758 pr_info("STI ROM supports 32 %sbit firmware functions.\n", 759 raw->alt_code_type == ALT_CODE_TYPE_PA_RISC_64 760 ? "and 64 " : ""); 761 762 sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff); 763 sti->block_move = address + (raw->block_move & 0x03ffffff); 764 sti->init_graph = address + (raw->init_graph & 0x03ffffff); 765 sti->inq_conf = address + (raw->inq_conf & 0x03ffffff); 766 767 sti->rom = cooked; 768 sti->rom->raw = raw; 769 770 sti->font = sti_select_font(sti->rom, sti_search_font); 771 sti->font_width = sti->font->raw->width; 772 sti->font_height = sti->font->raw->height; 773 if (!wordmode) 774 sti->font->raw = sti_bmode_font_raw(sti->font); 775 776 sti->sti_mem_request = raw->sti_mem_req; 777 sti->graphics_id[0] = raw->graphics_id[0]; 778 sti->graphics_id[1] = raw->graphics_id[1]; 779 780 sti_dump_rom(raw); 781 782 /* check if the ROM routines in this card are compatible */ 783 if (wordmode || sti->graphics_id[1] != 0x09A02587) 784 goto ok; 785 786 revno = (raw->revno[0] << 8) | raw->revno[1]; 787 788 switch (sti->graphics_id[0]) { 789 case S9000_ID_HCRX: 790 /* HyperA or HyperB ? */ 791 if (revno == 0x8408 || revno == 0x840b) 792 goto msg_not_supported; 793 break; 794 case CRT_ID_THUNDER: 795 if (revno == 0x8509) 796 goto msg_not_supported; 797 break; 798 case CRT_ID_THUNDER2: 799 if (revno == 0x850c) 800 goto msg_not_supported; 801 } 802ok: 803 return 1; 804 805msg_not_supported: 806 printk(KERN_ERR "Sorry, this GSC/STI card is not yet supported.\n"); 807 printk(KERN_ERR "Please see http://parisc-linux.org/faq/" 808 "graphics-howto.html for more info.\n"); 809 /* fall through */ 810out_err: 811 kfree(raw); 812 kfree(cooked); 813 return 0; 814} 815 816static struct sti_struct *sti_try_rom_generic(unsigned long address, 817 unsigned long hpa, 818 struct pci_dev *pd) 819{ 820 struct sti_struct *sti; 821 int ok; 822 u32 sig; 823 824 if (num_sti_roms >= MAX_STI_ROMS) { 825 printk(KERN_WARNING "maximum number of STI ROMS reached !\n"); 826 return NULL; 827 } 828 829 sti = kzalloc(sizeof(*sti), GFP_KERNEL); 830 if (!sti) { 831 printk(KERN_ERR "Not enough memory !\n"); 832 return NULL; 833 } 834 835 spin_lock_init(&sti->lock); 836 837test_rom: 838 /* if we can't read the ROM, bail out early. Not being able 839 * to read the hpa is okay, for romless sti */ 840 if (pdc_add_valid(address)) 841 goto out_err; 842 843 sig = gsc_readl(address); 844 845 /* check for a PCI ROM structure */ 846 if ((le32_to_cpu(sig)==0xaa55)) { 847 unsigned int i, rm_offset; 848 u32 *rm; 849 i = gsc_readl(address+0x04); 850 if (i != 1) { 851 /* The ROM could have multiple architecture 852 * dependent images (e.g. i386, parisc,...) */ 853 printk(KERN_WARNING 854 "PCI ROM is not a STI ROM type image (0x%8x)\n", i); 855 goto out_err; 856 } 857 858 sti->pd = pd; 859 860 i = gsc_readl(address+0x0c); 861 DPRINTK(("PCI ROM size (from header) = %d kB\n", 862 le16_to_cpu(i>>16)*512/1024)); 863 rm_offset = le16_to_cpu(i & 0xffff); 864 if (rm_offset) { 865 /* read 16 bytes from the pci region mapper array */ 866 rm = (u32*) &sti->rm_entry; 867 *rm++ = gsc_readl(address+rm_offset+0x00); 868 *rm++ = gsc_readl(address+rm_offset+0x04); 869 *rm++ = gsc_readl(address+rm_offset+0x08); 870 *rm++ = gsc_readl(address+rm_offset+0x0c); 871 DPRINTK(("PCI region Mapper offset = %08x: ", 872 rm_offset)); 873 for (i=0; i<16; i++) 874 DPRINTK(("%02x ", sti->rm_entry[i])); 875 DPRINTK(("\n")); 876 } 877 878 address += le32_to_cpu(gsc_readl(address+8)); 879 DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address)); 880 goto test_rom; 881 } 882 883 ok = 0; 884 885 if ((sig & 0xff) == 0x01) { 886 DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n", 887 address, hpa)); 888 ok = sti_read_rom(0, sti, address); 889 } 890 891 if ((sig & 0xffff) == 0x0303) { 892 DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n", 893 address, hpa)); 894 ok = sti_read_rom(1, sti, address); 895 } 896 897 if (!ok) 898 goto out_err; 899 900 if (sti_init_glob_cfg(sti, address, hpa)) 901 goto out_err; /* not enough memory */ 902 903 /* disable STI PCI ROM. ROM and card RAM overlap and 904 * leaving it enabled would force HPMCs 905 */ 906 if (sti->pd) { 907 unsigned long rom_base; 908 rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE); 909 pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE); 910 DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n")); 911 } 912 913 if (sti_init_graph(sti)) 914 goto out_err; 915 916 sti_inq_conf(sti); 917 sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request); 918 sti_dump_outptr(sti); 919 920 pr_info(" graphics card name: %s\n", 921 sti->sti_data->inq_outptr.dev_name); 922 923 sti_roms[num_sti_roms] = sti; 924 num_sti_roms++; 925 926 return sti; 927 928out_err: 929 kfree(sti); 930 return NULL; 931} 932 933static void sticore_check_for_default_sti(struct sti_struct *sti, char *path) 934{ 935 if (strcmp (path, default_sti_path) == 0) 936 default_sti = sti; 937} 938 939/* 940 * on newer systems PDC gives the address of the ROM 941 * in the additional address field addr[1] while on 942 * older Systems the PDC stores it in page0->proc_sti 943 */ 944static int sticore_pa_init(struct parisc_device *dev) 945{ 946 char pa_path[21]; 947 struct sti_struct *sti = NULL; 948 int hpa = dev->hpa.start; 949 950 if (dev->num_addrs && dev->addr[0]) 951 sti = sti_try_rom_generic(dev->addr[0], hpa, NULL); 952 if (!sti) 953 sti = sti_try_rom_generic(hpa, hpa, NULL); 954 if (!sti) 955 sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL); 956 if (!sti) 957 return 1; 958 959 print_pa_hwpath(dev, pa_path); 960 sticore_check_for_default_sti(sti, pa_path); 961 return 0; 962} 963 964 965static int sticore_pci_init(struct pci_dev *pd, const struct pci_device_id *ent) 966{ 967#ifdef CONFIG_PCI 968 unsigned long fb_base, rom_base; 969 unsigned int fb_len, rom_len; 970 int err; 971 struct sti_struct *sti; 972 973 err = pci_enable_device(pd); 974 if (err < 0) { 975 dev_err(&pd->dev, "Cannot enable PCI device\n"); 976 return err; 977 } 978 979 fb_base = pci_resource_start(pd, 0); 980 fb_len = pci_resource_len(pd, 0); 981 rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE); 982 rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE); 983 if (rom_base) { 984 pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE); 985 DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base)); 986 } 987 988 printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n", 989 rom_base, rom_len/1024, fb_base, fb_len/1024/1024); 990 991 DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n", 992 rom_base, fb_base)); 993 994 sti = sti_try_rom_generic(rom_base, fb_base, pd); 995 if (sti) { 996 char pa_path[30]; 997 print_pci_hwpath(pd, pa_path); 998 sticore_check_for_default_sti(sti, pa_path); 999 } 1000 1001 if (!sti) { 1002 printk(KERN_WARNING "Unable to handle STI device '%s'\n", 1003 pci_name(pd)); 1004 return -ENODEV; 1005 } 1006#endif /* CONFIG_PCI */ 1007 1008 return 0; 1009} 1010 1011 1012static void sticore_pci_remove(struct pci_dev *pd) 1013{ 1014 BUG(); 1015} 1016 1017 1018static struct pci_device_id sti_pci_tbl[] = { 1019 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) }, 1020 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) }, 1021 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) }, 1022 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) }, 1023 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) }, 1024 { 0, } /* terminate list */ 1025}; 1026MODULE_DEVICE_TABLE(pci, sti_pci_tbl); 1027 1028static struct pci_driver pci_sti_driver = { 1029 .name = "sti", 1030 .id_table = sti_pci_tbl, 1031 .probe = sticore_pci_init, 1032 .remove = sticore_pci_remove, 1033}; 1034 1035static struct parisc_device_id sti_pa_tbl[] = { 1036 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 }, 1037 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 }, 1038 { 0, } 1039}; 1040 1041static struct parisc_driver pa_sti_driver = { 1042 .name = "sti", 1043 .id_table = sti_pa_tbl, 1044 .probe = sticore_pa_init, 1045}; 1046 1047 1048/* 1049 * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[] 1050 */ 1051 1052static int sticore_initialized __read_mostly; 1053 1054static void sti_init_roms(void) 1055{ 1056 if (sticore_initialized) 1057 return; 1058 1059 sticore_initialized = 1; 1060 1061 printk(KERN_INFO "STI GSC/PCI core graphics driver " 1062 STI_DRIVERVERSION "\n"); 1063 1064 /* Register drivers for native & PCI cards */ 1065 register_parisc_driver(&pa_sti_driver); 1066 WARN_ON(pci_register_driver(&pci_sti_driver)); 1067 1068 /* if we didn't find the given default sti, take the first one */ 1069 if (!default_sti) 1070 default_sti = sti_roms[0]; 1071 1072} 1073 1074/* 1075 * index = 0 gives default sti 1076 * index > 0 gives other stis in detection order 1077 */ 1078struct sti_struct * sti_get_rom(unsigned int index) 1079{ 1080 if (!sticore_initialized) 1081 sti_init_roms(); 1082 1083 if (index == 0) 1084 return default_sti; 1085 1086 if (index > num_sti_roms) 1087 return NULL; 1088 1089 return sti_roms[index-1]; 1090} 1091EXPORT_SYMBOL(sti_get_rom); 1092 1093 1094int sti_call(const struct sti_struct *sti, unsigned long func, 1095 const void *flags, void *inptr, void *outptr, 1096 struct sti_glob_cfg *glob_cfg) 1097{ 1098 unsigned long _flags = STI_PTR(flags); 1099 unsigned long _inptr = STI_PTR(inptr); 1100 unsigned long _outptr = STI_PTR(outptr); 1101 unsigned long _glob_cfg = STI_PTR(glob_cfg); 1102 int ret; 1103 1104#ifdef CONFIG_64BIT 1105 /* Check for overflow when using 32bit STI on 64bit kernel. */ 1106 if (WARN_ONCE(_flags>>32 || _inptr>>32 || _outptr>>32 || _glob_cfg>>32, 1107 "Out of 32bit-range pointers!")) 1108 return -1; 1109#endif 1110 1111 ret = pdc_sti_call(func, _flags, _inptr, _outptr, _glob_cfg); 1112 1113 return ret; 1114} 1115 1116MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer"); 1117MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines"); 1118MODULE_LICENSE("GPL v2"); 1119 1120