Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) 2001-2003 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/config.h> |
| 17 | #include <linux/module.h> |
| 18 | #include <linux/types.h> |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/slab.h> |
| 21 | #include <linux/init.h> |
| 22 | #include <linux/pci.h> |
| 23 | #include <linux/font.h> |
| 24 | |
| 25 | #include <asm/hardware.h> |
| 26 | #include <asm/parisc-device.h> |
| 27 | #include <asm/cacheflush.h> |
| 28 | |
| 29 | #include "../sticore.h" |
| 30 | |
| 31 | #define STI_DRIVERVERSION "Version 0.9a" |
| 32 | |
| 33 | struct sti_struct *default_sti; |
| 34 | |
| 35 | static int num_sti_roms; /* # of STI ROMS found */ |
| 36 | static struct sti_struct *sti_roms[MAX_STI_ROMS]; /* ptr to each sti_struct */ |
| 37 | |
| 38 | |
| 39 | /* The colour indices used by STI are |
| 40 | * 0 - Black |
| 41 | * 1 - White |
| 42 | * 2 - Red |
| 43 | * 3 - Yellow/Brown |
| 44 | * 4 - Green |
| 45 | * 5 - Cyan |
| 46 | * 6 - Blue |
| 47 | * 7 - Magenta |
| 48 | * |
| 49 | * So we have the same colours as VGA (basically one bit each for R, G, B), |
| 50 | * but have to translate them, anyway. */ |
| 51 | |
| 52 | static const u8 col_trans[8] = { |
| 53 | 0, 6, 4, 5, |
| 54 | 2, 7, 3, 1 |
| 55 | }; |
| 56 | |
| 57 | #define c_fg(sti, c) col_trans[((c>> 8) & 7)] |
| 58 | #define c_bg(sti, c) col_trans[((c>>11) & 7)] |
| 59 | #define c_index(sti, c) ((c) & 0xff) |
| 60 | |
| 61 | static const struct sti_init_flags default_init_flags = { |
| 62 | .wait = STI_WAIT, |
| 63 | .reset = 1, |
| 64 | .text = 1, |
| 65 | .nontext = 1, |
| 66 | .no_chg_bet = 1, |
| 67 | .no_chg_bei = 1, |
| 68 | .init_cmap_tx = 1, |
| 69 | }; |
| 70 | |
| 71 | int |
| 72 | sti_init_graph(struct sti_struct *sti) |
| 73 | { |
| 74 | struct sti_init_inptr_ext inptr_ext = { 0, }; |
| 75 | struct sti_init_inptr inptr = { |
| 76 | .text_planes = 3, /* # of text planes (max 3 for STI) */ |
| 77 | .ext_ptr = STI_PTR(&inptr_ext) |
| 78 | }; |
| 79 | struct sti_init_outptr outptr = { 0, }; |
| 80 | unsigned long flags; |
| 81 | int ret; |
| 82 | |
| 83 | spin_lock_irqsave(&sti->lock, flags); |
| 84 | |
| 85 | ret = STI_CALL(sti->init_graph, &default_init_flags, &inptr, |
| 86 | &outptr, sti->glob_cfg); |
| 87 | |
| 88 | spin_unlock_irqrestore(&sti->lock, flags); |
| 89 | |
| 90 | if (ret < 0) { |
| 91 | printk(KERN_ERR "STI init_graph failed (ret %d, errno %d)\n",ret,outptr.errno); |
| 92 | return -1; |
| 93 | } |
| 94 | |
| 95 | sti->text_planes = outptr.text_planes; |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | static const struct sti_conf_flags default_conf_flags = { |
| 100 | .wait = STI_WAIT, |
| 101 | }; |
| 102 | |
| 103 | void |
| 104 | sti_inq_conf(struct sti_struct *sti) |
| 105 | { |
| 106 | struct sti_conf_inptr inptr = { 0, }; |
| 107 | unsigned long flags; |
| 108 | s32 ret; |
| 109 | |
| 110 | sti->outptr.ext_ptr = STI_PTR(&sti->outptr_ext); |
| 111 | |
| 112 | do { |
| 113 | spin_lock_irqsave(&sti->lock, flags); |
| 114 | ret = STI_CALL(sti->inq_conf, &default_conf_flags, |
| 115 | &inptr, &sti->outptr, sti->glob_cfg); |
| 116 | spin_unlock_irqrestore(&sti->lock, flags); |
| 117 | } while (ret == 1); |
| 118 | } |
| 119 | |
| 120 | static const struct sti_font_flags default_font_flags = { |
| 121 | .wait = STI_WAIT, |
| 122 | .non_text = 0, |
| 123 | }; |
| 124 | |
| 125 | void |
| 126 | sti_putc(struct sti_struct *sti, int c, int y, int x) |
| 127 | { |
| 128 | struct sti_font_inptr inptr = { |
| 129 | .font_start_addr= STI_PTR(sti->font->raw), |
| 130 | .index = c_index(sti, c), |
| 131 | .fg_color = c_fg(sti, c), |
| 132 | .bg_color = c_bg(sti, c), |
| 133 | .dest_x = x * sti->font_width, |
| 134 | .dest_y = y * sti->font_height, |
| 135 | }; |
| 136 | struct sti_font_outptr outptr = { 0, }; |
| 137 | s32 ret; |
| 138 | unsigned long flags; |
| 139 | |
| 140 | do { |
| 141 | spin_lock_irqsave(&sti->lock, flags); |
| 142 | ret = STI_CALL(sti->font_unpmv, &default_font_flags, |
| 143 | &inptr, &outptr, sti->glob_cfg); |
| 144 | spin_unlock_irqrestore(&sti->lock, flags); |
| 145 | } while (ret == 1); |
| 146 | } |
| 147 | |
| 148 | static const struct sti_blkmv_flags clear_blkmv_flags = { |
| 149 | .wait = STI_WAIT, |
| 150 | .color = 1, |
| 151 | .clear = 1, |
| 152 | }; |
| 153 | |
| 154 | void |
| 155 | sti_set(struct sti_struct *sti, int src_y, int src_x, |
| 156 | int height, int width, u8 color) |
| 157 | { |
| 158 | struct sti_blkmv_inptr inptr = { |
| 159 | .fg_color = color, |
| 160 | .bg_color = color, |
| 161 | .src_x = src_x, |
| 162 | .src_y = src_y, |
| 163 | .dest_x = src_x, |
| 164 | .dest_y = src_y, |
| 165 | .width = width, |
| 166 | .height = height, |
| 167 | }; |
| 168 | struct sti_blkmv_outptr outptr = { 0, }; |
| 169 | s32 ret; |
| 170 | unsigned long flags; |
| 171 | |
| 172 | do { |
| 173 | spin_lock_irqsave(&sti->lock, flags); |
| 174 | ret = STI_CALL(sti->block_move, &clear_blkmv_flags, |
| 175 | &inptr, &outptr, sti->glob_cfg); |
| 176 | spin_unlock_irqrestore(&sti->lock, flags); |
| 177 | } while (ret == 1); |
| 178 | } |
| 179 | |
| 180 | void |
| 181 | sti_clear(struct sti_struct *sti, int src_y, int src_x, |
| 182 | int height, int width, int c) |
| 183 | { |
| 184 | struct sti_blkmv_inptr inptr = { |
| 185 | .fg_color = c_fg(sti, c), |
| 186 | .bg_color = c_bg(sti, c), |
| 187 | .src_x = src_x * sti->font_width, |
| 188 | .src_y = src_y * sti->font_height, |
| 189 | .dest_x = src_x * sti->font_width, |
| 190 | .dest_y = src_y * sti->font_height, |
| 191 | .width = width * sti->font_width, |
| 192 | .height = height* sti->font_height, |
| 193 | }; |
| 194 | struct sti_blkmv_outptr outptr = { 0, }; |
| 195 | s32 ret; |
| 196 | unsigned long flags; |
| 197 | |
| 198 | do { |
| 199 | spin_lock_irqsave(&sti->lock, flags); |
| 200 | ret = STI_CALL(sti->block_move, &clear_blkmv_flags, |
| 201 | &inptr, &outptr, sti->glob_cfg); |
| 202 | spin_unlock_irqrestore(&sti->lock, flags); |
| 203 | } while (ret == 1); |
| 204 | } |
| 205 | |
| 206 | static const struct sti_blkmv_flags default_blkmv_flags = { |
| 207 | .wait = STI_WAIT, |
| 208 | }; |
| 209 | |
| 210 | void |
| 211 | sti_bmove(struct sti_struct *sti, int src_y, int src_x, |
| 212 | int dst_y, int dst_x, int height, int width) |
| 213 | { |
| 214 | struct sti_blkmv_inptr inptr = { |
| 215 | .src_x = src_x * sti->font_width, |
| 216 | .src_y = src_y * sti->font_height, |
| 217 | .dest_x = dst_x * sti->font_width, |
| 218 | .dest_y = dst_y * sti->font_height, |
| 219 | .width = width * sti->font_width, |
| 220 | .height = height* sti->font_height, |
| 221 | }; |
| 222 | struct sti_blkmv_outptr outptr = { 0, }; |
| 223 | s32 ret; |
| 224 | unsigned long flags; |
| 225 | |
| 226 | do { |
| 227 | spin_lock_irqsave(&sti->lock, flags); |
| 228 | ret = STI_CALL(sti->block_move, &default_blkmv_flags, |
| 229 | &inptr, &outptr, sti->glob_cfg); |
| 230 | spin_unlock_irqrestore(&sti->lock, flags); |
| 231 | } while (ret == 1); |
| 232 | } |
| 233 | |
| 234 | |
| 235 | /* FIXME: Do we have another solution for this ? */ |
| 236 | static void sti_flush(unsigned long from, unsigned long len) |
| 237 | { |
| 238 | flush_data_cache(); |
| 239 | flush_kernel_dcache_range(from, len); |
| 240 | flush_icache_range(from, from+len); |
| 241 | } |
| 242 | |
| 243 | void __init |
| 244 | sti_rom_copy(unsigned long base, unsigned long count, void *dest) |
| 245 | { |
| 246 | unsigned long dest_len = count; |
| 247 | unsigned long dest_start = (unsigned long) dest; |
| 248 | |
| 249 | /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ |
| 250 | while (count >= 4) { |
| 251 | count -= 4; |
| 252 | *(u32 *)dest = gsc_readl(base); |
| 253 | base += 4; |
| 254 | dest += 4; |
| 255 | } |
| 256 | while (count) { |
| 257 | count--; |
| 258 | *(u8 *)dest = gsc_readb(base); |
| 259 | base++; |
| 260 | dest++; |
| 261 | } |
| 262 | |
| 263 | sti_flush(dest_start, dest_len); |
| 264 | } |
| 265 | |
| 266 | |
| 267 | |
| 268 | |
| 269 | static char default_sti_path[21]; |
| 270 | |
| 271 | #ifndef MODULE |
| 272 | static int __init sti_setup(char *str) |
| 273 | { |
| 274 | if (str) |
| 275 | strlcpy (default_sti_path, str, sizeof (default_sti_path)); |
| 276 | |
| 277 | return 0; |
| 278 | } |
| 279 | |
| 280 | /* Assuming the machine has multiple STI consoles (=graphic cards) which |
| 281 | * all get detected by sticon, the user may define with the linux kernel |
| 282 | * parameter sti=<x> which of them will be the initial boot-console. |
| 283 | * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default |
| 284 | * STI screen. |
| 285 | */ |
| 286 | __setup("sti=", sti_setup); |
| 287 | #endif |
| 288 | |
| 289 | |
| 290 | |
| 291 | static char __initdata *font_name[MAX_STI_ROMS] = { "VGA8x16", }; |
| 292 | static int __initdata font_index[MAX_STI_ROMS], |
| 293 | font_height[MAX_STI_ROMS], |
| 294 | font_width[MAX_STI_ROMS]; |
| 295 | #ifndef MODULE |
| 296 | static int __init sti_font_setup(char *str) |
| 297 | { |
| 298 | char *x; |
| 299 | int i = 0; |
| 300 | |
| 301 | /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 |
| 302 | * or sti_font=7 style command lines. */ |
| 303 | |
| 304 | while (i<MAX_STI_ROMS && str && *str) { |
| 305 | if (*str>='0' && *str<='9') { |
| 306 | if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { |
| 307 | font_height[i] = simple_strtoul(str, NULL, 0); |
| 308 | font_width[i] = simple_strtoul(x+1, NULL, 0); |
| 309 | } else { |
| 310 | font_index[i] = simple_strtoul(str, NULL, 0); |
| 311 | } |
| 312 | } else { |
| 313 | font_name[i] = str; /* fb font name */ |
| 314 | } |
| 315 | |
| 316 | if ((x = strchr(str, ','))) |
| 317 | *x++ = 0; |
| 318 | str = x; |
| 319 | |
| 320 | i++; |
| 321 | } |
| 322 | |
| 323 | return 0; |
| 324 | } |
| 325 | |
| 326 | /* The optional linux kernel parameter "sti_font" defines which font |
| 327 | * should be used by the sticon driver to draw characters to the screen. |
| 328 | * Possible values are: |
| 329 | * - sti_font=<fb_fontname>: |
| 330 | * <fb_fontname> is the name of one of the linux-kernel built-in |
| 331 | * framebuffer font names (e.g. VGA8x16, SUN22x18). |
| 332 | * This is only available if the fonts have been statically compiled |
| 333 | * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options. |
| 334 | * - sti_font=<number> |
| 335 | * most STI ROMs have built-in HP specific fonts, which can be selected |
| 336 | * by giving the desired number to the sticon driver. |
| 337 | * NOTE: This number is machine and STI ROM dependend. |
| 338 | * - sti_font=<height>x<width> (e.g. sti_font=16x8) |
| 339 | * <height> and <width> gives hints to the height and width of the |
| 340 | * font which the user wants. The sticon driver will try to use |
| 341 | * a font with this height and width, but if no suitable font is |
| 342 | * found, sticon will use the default 8x8 font. |
| 343 | */ |
| 344 | __setup("sti_font=", sti_font_setup); |
| 345 | #endif |
| 346 | |
| 347 | |
| 348 | |
| 349 | static void __init |
| 350 | sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request) |
| 351 | { |
| 352 | struct sti_glob_cfg_ext *cfg; |
| 353 | |
| 354 | DPRINTK((KERN_INFO |
| 355 | "%d text planes\n" |
| 356 | "%4d x %4d screen resolution\n" |
| 357 | "%4d x %4d offscreen\n" |
| 358 | "%4d x %4d layout\n" |
| 359 | "regions at %08x %08x %08x %08x\n" |
| 360 | "regions at %08x %08x %08x %08x\n" |
| 361 | "reent_lvl %d\n" |
| 362 | "save_addr %08x\n", |
| 363 | glob_cfg->text_planes, |
| 364 | glob_cfg->onscreen_x, glob_cfg->onscreen_y, |
| 365 | glob_cfg->offscreen_x, glob_cfg->offscreen_y, |
| 366 | glob_cfg->total_x, glob_cfg->total_y, |
| 367 | glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], |
| 368 | glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], |
| 369 | glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], |
| 370 | glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], |
| 371 | glob_cfg->reent_lvl, |
| 372 | glob_cfg->save_addr)); |
| 373 | |
| 374 | /* dump extended cfg */ |
| 375 | cfg = PTR_STI(glob_cfg->ext_ptr); |
| 376 | DPRINTK(( KERN_INFO |
| 377 | "monitor %d\n" |
| 378 | "in friendly mode: %d\n" |
| 379 | "power consumption %d watts\n" |
| 380 | "freq ref %d\n" |
| 381 | "sti_mem_addr %08x (size=%d bytes)\n", |
| 382 | cfg->curr_mon, |
| 383 | cfg->friendly_boot, |
| 384 | cfg->power, |
| 385 | cfg->freq_ref, |
| 386 | cfg->sti_mem_addr, sti_mem_request)); |
| 387 | } |
| 388 | |
| 389 | static void __init |
| 390 | sti_dump_outptr(struct sti_struct *sti) |
| 391 | { |
| 392 | DPRINTK((KERN_INFO |
| 393 | "%d bits per pixel\n" |
| 394 | "%d used bits\n" |
| 395 | "%d planes\n" |
| 396 | "attributes %08x\n", |
| 397 | sti->outptr.bits_per_pixel, |
| 398 | sti->outptr.bits_used, |
| 399 | sti->outptr.planes, |
| 400 | sti->outptr.attributes)); |
| 401 | } |
| 402 | |
| 403 | static int __init |
| 404 | sti_init_glob_cfg(struct sti_struct *sti, |
| 405 | unsigned long rom_address, unsigned long hpa) |
| 406 | { |
| 407 | struct sti_glob_cfg *glob_cfg; |
| 408 | struct sti_glob_cfg_ext *glob_cfg_ext; |
| 409 | void *save_addr; |
| 410 | void *sti_mem_addr; |
| 411 | const int save_addr_size = 1024; /* XXX */ |
| 412 | int i; |
| 413 | |
| 414 | if (!sti->sti_mem_request) |
| 415 | sti->sti_mem_request = 256; /* STI default */ |
| 416 | |
| 417 | glob_cfg = kmalloc(sizeof(*sti->glob_cfg), GFP_KERNEL); |
| 418 | glob_cfg_ext = kmalloc(sizeof(*glob_cfg_ext), GFP_KERNEL); |
| 419 | save_addr = kmalloc(save_addr_size, GFP_KERNEL); |
| 420 | sti_mem_addr = kmalloc(sti->sti_mem_request, GFP_KERNEL); |
| 421 | |
| 422 | if (!(glob_cfg && glob_cfg_ext && save_addr && sti_mem_addr)) { |
| 423 | kfree(glob_cfg); |
| 424 | kfree(glob_cfg_ext); |
| 425 | kfree(save_addr); |
| 426 | kfree(sti_mem_addr); |
| 427 | return -ENOMEM; |
| 428 | } |
| 429 | |
| 430 | memset(glob_cfg, 0, sizeof(*glob_cfg)); |
| 431 | memset(glob_cfg_ext, 0, sizeof(*glob_cfg_ext)); |
| 432 | memset(save_addr, 0, save_addr_size); |
| 433 | memset(sti_mem_addr, 0, sti->sti_mem_request); |
| 434 | |
| 435 | glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext); |
| 436 | glob_cfg->save_addr = STI_PTR(save_addr); |
| 437 | for (i=0; i<8; i++) { |
| 438 | unsigned long newhpa, len; |
| 439 | |
| 440 | if (sti->pd) { |
| 441 | unsigned char offs = sti->rm_entry[i]; |
| 442 | |
| 443 | if (offs == 0) |
| 444 | continue; |
| 445 | if (offs != PCI_ROM_ADDRESS && |
| 446 | (offs < PCI_BASE_ADDRESS_0 || |
| 447 | offs > PCI_BASE_ADDRESS_5)) { |
| 448 | printk (KERN_WARNING |
| 449 | "STI pci region maping for region %d (%02x) can't be mapped\n", |
| 450 | i,sti->rm_entry[i]); |
| 451 | continue; |
| 452 | } |
| 453 | newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4); |
| 454 | } else |
| 455 | newhpa = (i == 0) ? rom_address : hpa; |
| 456 | |
| 457 | sti->regions_phys[i] = |
| 458 | REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa); |
| 459 | |
| 460 | /* remap virtually */ |
| 461 | /* FIXME: add BTLB support if btlb==1 */ |
| 462 | len = sti->regions[i].region_desc.length * 4096; |
| 463 | |
| 464 | /* XXX: Enabling IOREMAP debugging causes a crash, so we must be passing |
| 465 | * a virtual address to something expecting a physical address that doesn't |
| 466 | * go through a readX macro */ |
| 467 | #if 0 |
| 468 | if (len) |
| 469 | glob_cfg->region_ptrs[i] = (unsigned long) ( |
| 470 | sti->regions[i].region_desc.cache ? |
| 471 | ioremap(sti->regions_phys[i], len) : |
| 472 | ioremap_nocache(sti->regions_phys[i], len) ); |
| 473 | #else |
| 474 | if (len) |
| 475 | glob_cfg->region_ptrs[i] = sti->regions_phys[i]; |
| 476 | #endif |
| 477 | |
| 478 | DPRINTK(("region #%d: phys %08lx, virt %08x, len=%lukB, " |
| 479 | "btlb=%d, sysonly=%d, cache=%d, last=%d\n", |
| 480 | i, sti->regions_phys[i], glob_cfg->region_ptrs[i], |
| 481 | len/1024, |
| 482 | sti->regions[i].region_desc.btlb, |
| 483 | sti->regions[i].region_desc.sys_only, |
| 484 | sti->regions[i].region_desc.cache, |
| 485 | sti->regions[i].region_desc.last)); |
| 486 | |
| 487 | /* last entry reached ? */ |
| 488 | if (sti->regions[i].region_desc.last) |
| 489 | break; |
| 490 | } |
| 491 | |
| 492 | if (++i<8 && sti->regions[i].region) |
| 493 | printk(KERN_WARNING "%s: *future ptr (0x%8x) not yet supported !\n", |
| 494 | __FILE__, sti->regions[i].region); |
| 495 | |
| 496 | glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr); |
| 497 | |
| 498 | sti->glob_cfg = glob_cfg; |
| 499 | |
| 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | #ifdef CONFIG_FB |
| 504 | struct sti_cooked_font * __init |
| 505 | sti_select_fbfont( struct sti_cooked_rom *cooked_rom, char *fbfont_name ) |
| 506 | { |
| 507 | struct font_desc *fbfont; |
| 508 | unsigned int size, bpc; |
| 509 | void *dest; |
| 510 | struct sti_rom_font *nf; |
| 511 | struct sti_cooked_font *cooked_font; |
| 512 | |
| 513 | if (!fbfont_name || !strlen(fbfont_name)) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 514 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | fbfont = find_font(fbfont_name); |
| 516 | if (!fbfont) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 517 | fbfont = get_default_font(1024,768); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | if (!fbfont) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 519 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
| 521 | DPRINTK((KERN_DEBUG "selected %dx%d fb-font %s\n", |
| 522 | fbfont->width, fbfont->height, fbfont->name)); |
| 523 | |
| 524 | bpc = ((fbfont->width+7)/8) * fbfont->height; |
| 525 | size = bpc * 256; |
| 526 | size += sizeof(struct sti_rom_font); |
| 527 | |
| 528 | nf = kmalloc(size, GFP_KERNEL); |
| 529 | if (!nf) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 530 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | memset(nf, 0, size); |
| 532 | |
| 533 | nf->first_char = 0; |
| 534 | nf->last_char = 255; |
| 535 | nf->width = fbfont->width; |
| 536 | nf->height = fbfont->height; |
| 537 | nf->font_type = STI_FONT_HPROMAN8; |
| 538 | nf->bytes_per_char = bpc; |
| 539 | nf->next_font = 0; |
| 540 | nf->underline_height = 1; |
| 541 | nf->underline_pos = fbfont->height - nf->underline_height; |
| 542 | |
| 543 | dest = nf; |
| 544 | dest += sizeof(struct sti_rom_font); |
| 545 | memcpy(dest, fbfont->data, bpc*256); |
| 546 | |
| 547 | cooked_font = kmalloc(sizeof(*cooked_font), GFP_KERNEL); |
| 548 | if (!cooked_font) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 549 | kfree(nf); |
| 550 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | } |
| 552 | |
| 553 | cooked_font->raw = nf; |
| 554 | cooked_font->next_font = NULL; |
| 555 | |
| 556 | cooked_rom->font_start = cooked_font; |
| 557 | |
| 558 | return cooked_font; |
| 559 | } |
| 560 | #else |
| 561 | struct sti_cooked_font * __init |
| 562 | sti_select_fbfont(struct sti_cooked_rom *cooked_rom, char *fbfont_name) |
| 563 | { |
| 564 | return NULL; |
| 565 | } |
| 566 | #endif |
| 567 | |
| 568 | struct sti_cooked_font * __init |
| 569 | sti_select_font(struct sti_cooked_rom *rom, |
| 570 | int (*search_font_fnc) (struct sti_cooked_rom *,int,int) ) |
| 571 | { |
| 572 | struct sti_cooked_font *font; |
| 573 | int i; |
| 574 | int index = num_sti_roms; |
| 575 | |
| 576 | /* check for framebuffer-font first */ |
| 577 | if ((font = sti_select_fbfont(rom, font_name[index]))) |
| 578 | return font; |
| 579 | |
| 580 | if (font_width[index] && font_height[index]) |
| 581 | font_index[index] = search_font_fnc(rom, |
| 582 | font_height[index], font_width[index]); |
| 583 | |
| 584 | for (font = rom->font_start, i = font_index[index]; |
| 585 | font && (i > 0); |
| 586 | font = font->next_font, i--); |
| 587 | |
| 588 | if (font) |
| 589 | return font; |
| 590 | else |
| 591 | return rom->font_start; |
| 592 | } |
| 593 | |
| 594 | |
| 595 | static void __init |
| 596 | sti_dump_rom(struct sti_rom *rom) |
| 597 | { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 598 | printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | rom->graphics_id[0], |
| 600 | rom->graphics_id[1], |
| 601 | rom->revno[0] >> 4, |
| 602 | rom->revno[0] & 0x0f); |
| 603 | DPRINTK((" supports %d monitors\n", rom->num_mons)); |
| 604 | DPRINTK((" font start %08x\n", rom->font_start)); |
| 605 | DPRINTK((" region list %08x\n", rom->region_list)); |
| 606 | DPRINTK((" init_graph %08x\n", rom->init_graph)); |
| 607 | DPRINTK((" bus support %02x\n", rom->bus_support)); |
| 608 | DPRINTK((" ext bus support %02x\n", rom->ext_bus_support)); |
| 609 | DPRINTK((" alternate code type %d\n", rom->alt_code_type)); |
| 610 | } |
| 611 | |
| 612 | |
| 613 | static int __init |
| 614 | sti_cook_fonts(struct sti_cooked_rom *cooked_rom, |
| 615 | struct sti_rom *raw_rom) |
| 616 | { |
| 617 | struct sti_rom_font *raw_font, *font_start; |
| 618 | struct sti_cooked_font *cooked_font; |
| 619 | |
| 620 | cooked_font = kmalloc(sizeof(*cooked_font), GFP_KERNEL); |
| 621 | if (!cooked_font) |
| 622 | return 0; |
| 623 | |
| 624 | cooked_rom->font_start = cooked_font; |
| 625 | |
| 626 | raw_font = ((void *)raw_rom) + (raw_rom->font_start); |
| 627 | |
| 628 | font_start = raw_font; |
| 629 | cooked_font->raw = raw_font; |
| 630 | |
| 631 | while (raw_font->next_font) { |
| 632 | raw_font = ((void *)font_start) + (raw_font->next_font); |
| 633 | |
| 634 | cooked_font->next_font = kmalloc(sizeof(*cooked_font), GFP_KERNEL); |
| 635 | if (!cooked_font->next_font) |
| 636 | return 1; |
| 637 | |
| 638 | cooked_font = cooked_font->next_font; |
| 639 | |
| 640 | cooked_font->raw = raw_font; |
| 641 | } |
| 642 | |
| 643 | cooked_font->next_font = NULL; |
| 644 | return 1; |
| 645 | } |
| 646 | |
| 647 | |
| 648 | static int __init |
| 649 | sti_search_font(struct sti_cooked_rom *rom, int height, int width) |
| 650 | { |
| 651 | struct sti_cooked_font *font; |
| 652 | int i = 0; |
| 653 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 654 | for (font = rom->font_start; font; font = font->next_font, i++) { |
| 655 | if ((font->raw->width == width) && |
| 656 | (font->raw->height == height)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 657 | return i; |
| 658 | } |
| 659 | return 0; |
| 660 | } |
| 661 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 662 | #define BMODE_RELOCATE(offset) offset = (offset) / 4; |
| 663 | #define BMODE_LAST_ADDR_OFFS 0x50 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | |
| 665 | static void * __init |
| 666 | sti_bmode_font_raw(struct sti_cooked_font *f) |
| 667 | { |
| 668 | unsigned char *n, *p, *q; |
| 669 | int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font); |
| 670 | |
| 671 | n = kmalloc (4*size, GFP_KERNEL); |
| 672 | if (!n) |
| 673 | return NULL; |
| 674 | memset (n, 0, 4*size); |
| 675 | p = n + 3; |
| 676 | q = (unsigned char *)f->raw; |
| 677 | while (size--) { |
| 678 | *p = *q++; |
| 679 | p+=4; |
| 680 | } |
| 681 | return n + 3; |
| 682 | } |
| 683 | |
| 684 | static void __init |
| 685 | sti_bmode_rom_copy(unsigned long base, unsigned long count, void *dest) |
| 686 | { |
| 687 | unsigned long dest_len = count; |
| 688 | unsigned long dest_start = (unsigned long) dest; |
| 689 | |
| 690 | while (count) { |
| 691 | count--; |
| 692 | *(u8 *)dest = gsc_readl(base); |
| 693 | base += 4; |
| 694 | dest++; |
| 695 | } |
| 696 | sti_flush(dest_start, dest_len); |
| 697 | } |
| 698 | |
| 699 | static struct sti_rom * __init |
| 700 | sti_get_bmode_rom (unsigned long address) |
| 701 | { |
| 702 | struct sti_rom *raw; |
| 703 | u32 size; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 704 | struct sti_rom_font *raw_font, *font_start; |
| 705 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size); |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 707 | |
| 708 | size = (size+3) / 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | raw = kmalloc(size, GFP_KERNEL); |
| 710 | if (raw) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 711 | sti_bmode_rom_copy(address, size, raw); |
| 712 | memmove (&raw->res004, &raw->type[0], 0x3c); |
| 713 | raw->type[3] = raw->res004; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 715 | BMODE_RELOCATE (raw->region_list); |
| 716 | BMODE_RELOCATE (raw->font_start); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 717 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 718 | BMODE_RELOCATE (raw->init_graph); |
| 719 | BMODE_RELOCATE (raw->state_mgmt); |
| 720 | BMODE_RELOCATE (raw->font_unpmv); |
| 721 | BMODE_RELOCATE (raw->block_move); |
| 722 | BMODE_RELOCATE (raw->inq_conf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 723 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 724 | raw_font = ((void *)raw) + raw->font_start; |
| 725 | font_start = raw_font; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 727 | while (raw_font->next_font) { |
| 728 | BMODE_RELOCATE (raw_font->next_font); |
| 729 | raw_font = ((void *)font_start) + raw_font->next_font; |
| 730 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | } |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 732 | return raw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | } |
| 734 | |
| 735 | struct sti_rom * __init |
| 736 | sti_get_wmode_rom (unsigned long address) |
| 737 | { |
| 738 | struct sti_rom *raw; |
| 739 | unsigned long size; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 740 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | /* read the ROM size directly from the struct in ROM */ |
| 742 | size = gsc_readl(address + offsetof(struct sti_rom,last_addr)); |
| 743 | |
| 744 | raw = kmalloc(size, GFP_KERNEL); |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 745 | if (raw) |
| 746 | sti_rom_copy(address, size, raw); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 747 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 748 | return raw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 749 | } |
| 750 | |
| 751 | int __init |
| 752 | sti_read_rom(int wordmode, struct sti_struct *sti, unsigned long address) |
| 753 | { |
| 754 | struct sti_cooked_rom *cooked; |
| 755 | struct sti_rom *raw = NULL; |
| 756 | |
| 757 | cooked = kmalloc(sizeof *cooked, GFP_KERNEL); |
| 758 | if (!cooked) |
| 759 | goto out_err; |
| 760 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 761 | if (wordmode) |
| 762 | raw = sti_get_wmode_rom (address); |
| 763 | else |
| 764 | raw = sti_get_bmode_rom (address); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 765 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 766 | if (!raw) |
| 767 | goto out_err; |
| 768 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | if (!sti_cook_fonts(cooked, raw)) { |
| 770 | printk(KERN_ERR "No font found for STI at %08lx\n", address); |
| 771 | goto out_err; |
| 772 | } |
| 773 | |
| 774 | if (raw->region_list) |
| 775 | memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions)); |
| 776 | |
| 777 | address = (unsigned long) STI_PTR(raw); |
| 778 | |
| 779 | sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff); |
| 780 | sti->block_move = address + (raw->block_move & 0x03ffffff); |
| 781 | sti->init_graph = address + (raw->init_graph & 0x03ffffff); |
| 782 | sti->inq_conf = address + (raw->inq_conf & 0x03ffffff); |
| 783 | |
| 784 | sti->rom = cooked; |
| 785 | sti->rom->raw = raw; |
| 786 | |
| 787 | sti->font = sti_select_font(sti->rom, sti_search_font); |
| 788 | sti->font_width = sti->font->raw->width; |
| 789 | sti->font_height = sti->font->raw->height; |
| 790 | if (!wordmode) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 791 | sti->font->raw = sti_bmode_font_raw(sti->font); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | |
| 793 | sti->sti_mem_request = raw->sti_mem_req; |
| 794 | sti->graphics_id[0] = raw->graphics_id[0]; |
| 795 | sti->graphics_id[1] = raw->graphics_id[1]; |
| 796 | |
| 797 | sti_dump_rom(raw); |
| 798 | |
| 799 | return 1; |
| 800 | |
| 801 | out_err: |
| 802 | kfree(raw); |
| 803 | kfree(cooked); |
| 804 | return 0; |
| 805 | } |
| 806 | |
| 807 | static struct sti_struct * __init |
| 808 | sti_try_rom_generic(unsigned long address, unsigned long hpa, struct pci_dev *pd) |
| 809 | { |
| 810 | struct sti_struct *sti; |
| 811 | int ok; |
| 812 | u32 sig; |
| 813 | |
| 814 | if (num_sti_roms >= MAX_STI_ROMS) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 815 | printk(KERN_WARNING "maximum number of STI ROMS reached !\n"); |
| 816 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | } |
| 818 | |
| 819 | sti = kmalloc(sizeof(*sti), GFP_KERNEL); |
| 820 | if (!sti) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 821 | printk(KERN_ERR "Not enough memory !\n"); |
| 822 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 823 | } |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 824 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | memset(sti, 0, sizeof(*sti)); |
| 826 | spin_lock_init(&sti->lock); |
| 827 | |
| 828 | test_rom: |
| 829 | /* if we can't read the ROM, bail out early. Not being able |
| 830 | * to read the hpa is okay, for romless sti */ |
| 831 | if (pdc_add_valid(address)) |
| 832 | goto out_err; |
| 833 | |
| 834 | sig = gsc_readl(address); |
| 835 | |
| 836 | /* check for a PCI ROM structure */ |
| 837 | if ((le32_to_cpu(sig)==0xaa55)) { |
| 838 | unsigned int i, rm_offset; |
| 839 | u32 *rm; |
| 840 | i = gsc_readl(address+0x04); |
| 841 | if (i != 1) { |
| 842 | /* The ROM could have multiple architecture |
| 843 | * dependent images (e.g. i386, parisc,...) */ |
| 844 | printk(KERN_WARNING |
| 845 | "PCI ROM is not a STI ROM type image (0x%8x)\n", i); |
| 846 | goto out_err; |
| 847 | } |
| 848 | |
| 849 | sti->pd = pd; |
| 850 | |
| 851 | i = gsc_readl(address+0x0c); |
| 852 | DPRINTK(("PCI ROM size (from header) = %d kB\n", |
| 853 | le16_to_cpu(i>>16)*512/1024)); |
| 854 | rm_offset = le16_to_cpu(i & 0xffff); |
| 855 | if (rm_offset) { |
| 856 | /* read 16 bytes from the pci region mapper array */ |
| 857 | rm = (u32*) &sti->rm_entry; |
| 858 | *rm++ = gsc_readl(address+rm_offset+0x00); |
| 859 | *rm++ = gsc_readl(address+rm_offset+0x04); |
| 860 | *rm++ = gsc_readl(address+rm_offset+0x08); |
| 861 | *rm++ = gsc_readl(address+rm_offset+0x0c); |
| 862 | DPRINTK(("PCI region Mapper offset = %08x: ", |
| 863 | rm_offset)); |
| 864 | for (i=0; i<16; i++) |
| 865 | DPRINTK(("%02x ", sti->rm_entry[i])); |
| 866 | DPRINTK(("\n")); |
| 867 | } |
| 868 | |
| 869 | address += le32_to_cpu(gsc_readl(address+8)); |
| 870 | DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address)); |
| 871 | goto test_rom; |
| 872 | } |
| 873 | |
| 874 | ok = 0; |
| 875 | |
| 876 | if ((sig & 0xff) == 0x01) { |
| 877 | DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n", |
| 878 | address, hpa)); |
| 879 | ok = sti_read_rom(0, sti, address); |
| 880 | } |
| 881 | |
| 882 | if ((sig & 0xffff) == 0x0303) { |
| 883 | DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n", |
| 884 | address, hpa)); |
| 885 | ok = sti_read_rom(1, sti, address); |
| 886 | } |
| 887 | |
| 888 | if (!ok) |
| 889 | goto out_err; |
| 890 | |
| 891 | if (sti_init_glob_cfg(sti, address, hpa)) |
| 892 | goto out_err; /* not enough memory */ |
| 893 | |
| 894 | /* disable STI PCI ROM. ROM and card RAM overlap and |
| 895 | * leaving it enabled would force HPMCs |
| 896 | */ |
| 897 | if (sti->pd) { |
| 898 | unsigned long rom_base; |
| 899 | rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE); |
| 900 | pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE); |
| 901 | DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n")); |
| 902 | } |
| 903 | |
| 904 | if (sti_init_graph(sti)) |
| 905 | goto out_err; |
| 906 | |
| 907 | sti_inq_conf(sti); |
| 908 | sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request); |
| 909 | sti_dump_outptr(sti); |
| 910 | |
| 911 | printk(KERN_INFO " graphics card name: %s\n", sti->outptr.dev_name ); |
| 912 | |
| 913 | sti_roms[num_sti_roms] = sti; |
| 914 | num_sti_roms++; |
| 915 | |
| 916 | return sti; |
| 917 | |
| 918 | out_err: |
| 919 | kfree(sti); |
| 920 | return NULL; |
| 921 | } |
| 922 | |
| 923 | static void __init sticore_check_for_default_sti(struct sti_struct *sti, char *path) |
| 924 | { |
| 925 | if (strcmp (path, default_sti_path) == 0) |
| 926 | default_sti = sti; |
| 927 | } |
| 928 | |
| 929 | /* |
| 930 | * on newer systems PDC gives the address of the ROM |
| 931 | * in the additional address field addr[1] while on |
| 932 | * older Systems the PDC stores it in page0->proc_sti |
| 933 | */ |
| 934 | static int __init sticore_pa_init(struct parisc_device *dev) |
| 935 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 936 | char pa_path[21]; |
| 937 | struct sti_struct *sti = NULL; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 938 | int hpa = dev->hpa.start; |
| 939 | |
| 940 | if (dev->num_addrs && dev->addr[0]) |
| 941 | sti = sti_try_rom_generic(dev->addr[0], hpa, NULL); |
| 942 | if (!sti) |
| 943 | sti = sti_try_rom_generic(hpa, hpa, NULL); |
| 944 | if (!sti) |
| 945 | sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 946 | if (!sti) |
| 947 | return 1; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 948 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | print_pa_hwpath(dev, pa_path); |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 950 | sticore_check_for_default_sti(sti, pa_path); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | return 0; |
| 952 | } |
| 953 | |
| 954 | |
| 955 | static int __devinit sticore_pci_init(struct pci_dev *pd, |
| 956 | const struct pci_device_id *ent) |
| 957 | { |
| 958 | #ifdef CONFIG_PCI |
| 959 | unsigned long fb_base, rom_base; |
| 960 | unsigned int fb_len, rom_len; |
| 961 | struct sti_struct *sti; |
| 962 | |
| 963 | pci_enable_device(pd); |
| 964 | |
| 965 | fb_base = pci_resource_start(pd, 0); |
| 966 | fb_len = pci_resource_len(pd, 0); |
| 967 | rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE); |
| 968 | rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE); |
| 969 | if (rom_base) { |
| 970 | pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE); |
| 971 | DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base)); |
| 972 | } |
| 973 | |
| 974 | printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n", |
| 975 | rom_base, rom_len/1024, fb_base, fb_len/1024/1024); |
| 976 | |
| 977 | DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n", |
| 978 | rom_base, fb_base)); |
| 979 | |
| 980 | sti = sti_try_rom_generic(rom_base, fb_base, pd); |
| 981 | if (sti) { |
| 982 | char pa_path[30]; |
| 983 | print_pci_hwpath(pd, pa_path); |
| 984 | sticore_check_for_default_sti(sti, pa_path); |
| 985 | } |
| 986 | |
| 987 | if (!sti) { |
| 988 | printk(KERN_WARNING "Unable to handle STI device '%s'\n", |
| 989 | pci_name(pd)); |
| 990 | return -ENODEV; |
| 991 | } |
| 992 | #endif /* CONFIG_PCI */ |
| 993 | |
| 994 | return 0; |
| 995 | } |
| 996 | |
| 997 | |
| 998 | static void __devexit sticore_pci_remove(struct pci_dev *pd) |
| 999 | { |
| 1000 | BUG(); |
| 1001 | } |
| 1002 | |
| 1003 | |
| 1004 | static struct pci_device_id sti_pci_tbl[] = { |
| 1005 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) }, |
| 1006 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) }, |
| 1007 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) }, |
| 1008 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) }, |
| 1009 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) }, |
| 1010 | { 0, } /* terminate list */ |
| 1011 | }; |
| 1012 | MODULE_DEVICE_TABLE(pci, sti_pci_tbl); |
| 1013 | |
| 1014 | static struct pci_driver pci_sti_driver = { |
| 1015 | .name = "sti", |
| 1016 | .id_table = sti_pci_tbl, |
| 1017 | .probe = sticore_pci_init, |
| 1018 | .remove = sticore_pci_remove, |
| 1019 | }; |
| 1020 | |
| 1021 | static struct parisc_device_id sti_pa_tbl[] = { |
| 1022 | { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 }, |
| 1023 | { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 }, |
| 1024 | { 0, } |
| 1025 | }; |
| 1026 | |
| 1027 | static struct parisc_driver pa_sti_driver = { |
| 1028 | .name = "sti", |
| 1029 | .id_table = sti_pa_tbl, |
| 1030 | .probe = sticore_pa_init, |
| 1031 | }; |
| 1032 | |
| 1033 | |
| 1034 | /* |
| 1035 | * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[] |
| 1036 | */ |
| 1037 | |
| 1038 | static int sticore_initialized; |
| 1039 | |
| 1040 | static void __init sti_init_roms(void) |
| 1041 | { |
| 1042 | if (sticore_initialized) |
| 1043 | return; |
| 1044 | |
| 1045 | sticore_initialized = 1; |
| 1046 | |
| 1047 | printk(KERN_INFO "STI GSC/PCI core graphics driver " |
| 1048 | STI_DRIVERVERSION "\n"); |
| 1049 | |
| 1050 | /* Register drivers for native & PCI cards */ |
| 1051 | register_parisc_driver(&pa_sti_driver); |
| 1052 | pci_register_driver(&pci_sti_driver); |
| 1053 | |
| 1054 | /* if we didn't find the given default sti, take the first one */ |
| 1055 | if (!default_sti) |
| 1056 | default_sti = sti_roms[0]; |
| 1057 | |
| 1058 | } |
| 1059 | |
| 1060 | /* |
| 1061 | * index = 0 gives default sti |
| 1062 | * index > 0 gives other stis in detection order |
| 1063 | */ |
| 1064 | struct sti_struct * sti_get_rom(unsigned int index) |
| 1065 | { |
| 1066 | if (!sticore_initialized) |
| 1067 | sti_init_roms(); |
| 1068 | |
| 1069 | if (index == 0) |
| 1070 | return default_sti; |
| 1071 | |
| 1072 | if (index > num_sti_roms) |
| 1073 | return NULL; |
| 1074 | |
| 1075 | return sti_roms[index-1]; |
| 1076 | } |
| 1077 | EXPORT_SYMBOL(sti_get_rom); |
| 1078 | |
| 1079 | MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer"); |
| 1080 | MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines"); |
| 1081 | MODULE_LICENSE("GPL v2"); |
| 1082 | |