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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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/parisc-device.h> |
| 26 | #include <asm/cacheflush.h> |
| 27 | |
| 28 | #include "../sticore.h" |
| 29 | |
| 30 | #define STI_DRIVERVERSION "Version 0.9a" |
| 31 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 32 | struct sti_struct *default_sti __read_mostly; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 34 | /* number of STI ROMS found and their ptrs to each struct */ |
| 35 | static int num_sti_roms __read_mostly; |
| 36 | static struct sti_struct *sti_roms[MAX_STI_ROMS] __read_mostly; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Kyle McMartin | 03b18f1 | 2007-06-29 02:17:50 -0400 | [diff] [blame] | 235 | static void sti_flush(unsigned long start, unsigned long end) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | { |
Kyle McMartin | 03b18f1 | 2007-06-29 02:17:50 -0400 | [diff] [blame] | 237 | flush_icache_range(start, end); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | } |
| 239 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 240 | void __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | sti_rom_copy(unsigned long base, unsigned long count, void *dest) |
| 242 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | unsigned long dest_start = (unsigned long) dest; |
| 244 | |
| 245 | /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ |
| 246 | while (count >= 4) { |
| 247 | count -= 4; |
| 248 | *(u32 *)dest = gsc_readl(base); |
| 249 | base += 4; |
| 250 | dest += 4; |
| 251 | } |
| 252 | while (count) { |
| 253 | count--; |
| 254 | *(u8 *)dest = gsc_readb(base); |
| 255 | base++; |
| 256 | dest++; |
| 257 | } |
| 258 | |
Kyle McMartin | 03b18f1 | 2007-06-29 02:17:50 -0400 | [diff] [blame] | 259 | sti_flush(dest_start, (unsigned long)dest); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | } |
| 261 | |
| 262 | |
| 263 | |
| 264 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 265 | static char default_sti_path[21] __read_mostly; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | |
| 267 | #ifndef MODULE |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 268 | static int __devinit sti_setup(char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | { |
| 270 | if (str) |
| 271 | strlcpy (default_sti_path, str, sizeof (default_sti_path)); |
| 272 | |
OGAWA Hirofumi | 9b41046 | 2006-03-31 02:30:33 -0800 | [diff] [blame] | 273 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | /* Assuming the machine has multiple STI consoles (=graphic cards) which |
| 277 | * all get detected by sticon, the user may define with the linux kernel |
| 278 | * parameter sti=<x> which of them will be the initial boot-console. |
| 279 | * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default |
| 280 | * STI screen. |
| 281 | */ |
| 282 | __setup("sti=", sti_setup); |
| 283 | #endif |
| 284 | |
| 285 | |
| 286 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 287 | static char __devinitdata *font_name[MAX_STI_ROMS] = { "VGA8x16", }; |
| 288 | static int __devinitdata font_index[MAX_STI_ROMS], |
| 289 | font_height[MAX_STI_ROMS], |
| 290 | font_width[MAX_STI_ROMS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | #ifndef MODULE |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 292 | static int __devinit sti_font_setup(char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | { |
| 294 | char *x; |
| 295 | int i = 0; |
| 296 | |
| 297 | /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 |
| 298 | * or sti_font=7 style command lines. */ |
| 299 | |
| 300 | while (i<MAX_STI_ROMS && str && *str) { |
| 301 | if (*str>='0' && *str<='9') { |
| 302 | if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { |
| 303 | font_height[i] = simple_strtoul(str, NULL, 0); |
| 304 | font_width[i] = simple_strtoul(x+1, NULL, 0); |
| 305 | } else { |
| 306 | font_index[i] = simple_strtoul(str, NULL, 0); |
| 307 | } |
| 308 | } else { |
| 309 | font_name[i] = str; /* fb font name */ |
| 310 | } |
| 311 | |
| 312 | if ((x = strchr(str, ','))) |
| 313 | *x++ = 0; |
| 314 | str = x; |
| 315 | |
| 316 | i++; |
| 317 | } |
| 318 | |
OGAWA Hirofumi | 9b41046 | 2006-03-31 02:30:33 -0800 | [diff] [blame] | 319 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | /* The optional linux kernel parameter "sti_font" defines which font |
| 323 | * should be used by the sticon driver to draw characters to the screen. |
| 324 | * Possible values are: |
| 325 | * - sti_font=<fb_fontname>: |
| 326 | * <fb_fontname> is the name of one of the linux-kernel built-in |
| 327 | * framebuffer font names (e.g. VGA8x16, SUN22x18). |
| 328 | * This is only available if the fonts have been statically compiled |
| 329 | * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options. |
| 330 | * - sti_font=<number> |
| 331 | * most STI ROMs have built-in HP specific fonts, which can be selected |
| 332 | * by giving the desired number to the sticon driver. |
| 333 | * NOTE: This number is machine and STI ROM dependend. |
| 334 | * - sti_font=<height>x<width> (e.g. sti_font=16x8) |
| 335 | * <height> and <width> gives hints to the height and width of the |
| 336 | * font which the user wants. The sticon driver will try to use |
| 337 | * a font with this height and width, but if no suitable font is |
| 338 | * found, sticon will use the default 8x8 font. |
| 339 | */ |
| 340 | __setup("sti_font=", sti_font_setup); |
| 341 | #endif |
| 342 | |
| 343 | |
| 344 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 345 | static void __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request) |
| 347 | { |
| 348 | struct sti_glob_cfg_ext *cfg; |
| 349 | |
| 350 | DPRINTK((KERN_INFO |
| 351 | "%d text planes\n" |
| 352 | "%4d x %4d screen resolution\n" |
| 353 | "%4d x %4d offscreen\n" |
| 354 | "%4d x %4d layout\n" |
| 355 | "regions at %08x %08x %08x %08x\n" |
| 356 | "regions at %08x %08x %08x %08x\n" |
| 357 | "reent_lvl %d\n" |
| 358 | "save_addr %08x\n", |
| 359 | glob_cfg->text_planes, |
| 360 | glob_cfg->onscreen_x, glob_cfg->onscreen_y, |
| 361 | glob_cfg->offscreen_x, glob_cfg->offscreen_y, |
| 362 | glob_cfg->total_x, glob_cfg->total_y, |
| 363 | glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], |
| 364 | glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], |
| 365 | glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], |
| 366 | glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], |
| 367 | glob_cfg->reent_lvl, |
| 368 | glob_cfg->save_addr)); |
| 369 | |
| 370 | /* dump extended cfg */ |
Helge Deller | 857600c | 2006-03-22 15:19:46 -0700 | [diff] [blame] | 371 | cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | DPRINTK(( KERN_INFO |
| 373 | "monitor %d\n" |
| 374 | "in friendly mode: %d\n" |
| 375 | "power consumption %d watts\n" |
| 376 | "freq ref %d\n" |
| 377 | "sti_mem_addr %08x (size=%d bytes)\n", |
| 378 | cfg->curr_mon, |
| 379 | cfg->friendly_boot, |
| 380 | cfg->power, |
| 381 | cfg->freq_ref, |
| 382 | cfg->sti_mem_addr, sti_mem_request)); |
| 383 | } |
| 384 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 385 | static void __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | sti_dump_outptr(struct sti_struct *sti) |
| 387 | { |
| 388 | DPRINTK((KERN_INFO |
| 389 | "%d bits per pixel\n" |
| 390 | "%d used bits\n" |
| 391 | "%d planes\n" |
| 392 | "attributes %08x\n", |
| 393 | sti->outptr.bits_per_pixel, |
| 394 | sti->outptr.bits_used, |
| 395 | sti->outptr.planes, |
| 396 | sti->outptr.attributes)); |
| 397 | } |
| 398 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 399 | static int __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | sti_init_glob_cfg(struct sti_struct *sti, |
| 401 | unsigned long rom_address, unsigned long hpa) |
| 402 | { |
| 403 | struct sti_glob_cfg *glob_cfg; |
| 404 | struct sti_glob_cfg_ext *glob_cfg_ext; |
| 405 | void *save_addr; |
| 406 | void *sti_mem_addr; |
| 407 | const int save_addr_size = 1024; /* XXX */ |
| 408 | int i; |
| 409 | |
| 410 | if (!sti->sti_mem_request) |
| 411 | sti->sti_mem_request = 256; /* STI default */ |
| 412 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 413 | glob_cfg = kzalloc(sizeof(*sti->glob_cfg), GFP_KERNEL); |
| 414 | glob_cfg_ext = kzalloc(sizeof(*glob_cfg_ext), GFP_KERNEL); |
| 415 | save_addr = kzalloc(save_addr_size, GFP_KERNEL); |
| 416 | sti_mem_addr = kzalloc(sti->sti_mem_request, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | |
| 418 | if (!(glob_cfg && glob_cfg_ext && save_addr && sti_mem_addr)) { |
| 419 | kfree(glob_cfg); |
| 420 | kfree(glob_cfg_ext); |
| 421 | kfree(save_addr); |
| 422 | kfree(sti_mem_addr); |
| 423 | return -ENOMEM; |
| 424 | } |
| 425 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext); |
| 427 | glob_cfg->save_addr = STI_PTR(save_addr); |
| 428 | for (i=0; i<8; i++) { |
| 429 | unsigned long newhpa, len; |
| 430 | |
| 431 | if (sti->pd) { |
| 432 | unsigned char offs = sti->rm_entry[i]; |
| 433 | |
| 434 | if (offs == 0) |
| 435 | continue; |
| 436 | if (offs != PCI_ROM_ADDRESS && |
| 437 | (offs < PCI_BASE_ADDRESS_0 || |
| 438 | offs > PCI_BASE_ADDRESS_5)) { |
| 439 | printk (KERN_WARNING |
| 440 | "STI pci region maping for region %d (%02x) can't be mapped\n", |
| 441 | i,sti->rm_entry[i]); |
| 442 | continue; |
| 443 | } |
| 444 | newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4); |
| 445 | } else |
| 446 | newhpa = (i == 0) ? rom_address : hpa; |
| 447 | |
| 448 | sti->regions_phys[i] = |
| 449 | REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa); |
| 450 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | len = sti->regions[i].region_desc.length * 4096; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | if (len) |
| 453 | glob_cfg->region_ptrs[i] = sti->regions_phys[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | |
Helge Deller | 857600c | 2006-03-22 15:19:46 -0700 | [diff] [blame] | 455 | DPRINTK(("region #%d: phys %08lx, region_ptr %08x, len=%lukB, " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | "btlb=%d, sysonly=%d, cache=%d, last=%d\n", |
| 457 | i, sti->regions_phys[i], glob_cfg->region_ptrs[i], |
| 458 | len/1024, |
| 459 | sti->regions[i].region_desc.btlb, |
| 460 | sti->regions[i].region_desc.sys_only, |
| 461 | sti->regions[i].region_desc.cache, |
| 462 | sti->regions[i].region_desc.last)); |
| 463 | |
| 464 | /* last entry reached ? */ |
| 465 | if (sti->regions[i].region_desc.last) |
| 466 | break; |
| 467 | } |
| 468 | |
| 469 | if (++i<8 && sti->regions[i].region) |
| 470 | printk(KERN_WARNING "%s: *future ptr (0x%8x) not yet supported !\n", |
| 471 | __FILE__, sti->regions[i].region); |
| 472 | |
| 473 | glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr); |
| 474 | |
| 475 | sti->glob_cfg = glob_cfg; |
| 476 | |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | #ifdef CONFIG_FB |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 481 | struct sti_cooked_font * __devinit |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 482 | sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | { |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 484 | const struct font_desc *fbfont; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | unsigned int size, bpc; |
| 486 | void *dest; |
| 487 | struct sti_rom_font *nf; |
| 488 | struct sti_cooked_font *cooked_font; |
| 489 | |
| 490 | if (!fbfont_name || !strlen(fbfont_name)) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 491 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | fbfont = find_font(fbfont_name); |
| 493 | if (!fbfont) |
Antonino A. Daplas | 2d2699d | 2007-05-08 00:39:11 -0700 | [diff] [blame] | 494 | fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | if (!fbfont) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 496 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | |
| 498 | DPRINTK((KERN_DEBUG "selected %dx%d fb-font %s\n", |
| 499 | fbfont->width, fbfont->height, fbfont->name)); |
| 500 | |
| 501 | bpc = ((fbfont->width+7)/8) * fbfont->height; |
| 502 | size = bpc * 256; |
| 503 | size += sizeof(struct sti_rom_font); |
| 504 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 505 | nf = kzalloc(size, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | if (!nf) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 507 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | |
| 509 | nf->first_char = 0; |
| 510 | nf->last_char = 255; |
| 511 | nf->width = fbfont->width; |
| 512 | nf->height = fbfont->height; |
| 513 | nf->font_type = STI_FONT_HPROMAN8; |
| 514 | nf->bytes_per_char = bpc; |
| 515 | nf->next_font = 0; |
| 516 | nf->underline_height = 1; |
| 517 | nf->underline_pos = fbfont->height - nf->underline_height; |
| 518 | |
| 519 | dest = nf; |
| 520 | dest += sizeof(struct sti_rom_font); |
| 521 | memcpy(dest, fbfont->data, bpc*256); |
| 522 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 523 | cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | if (!cooked_font) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 525 | kfree(nf); |
| 526 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | cooked_font->raw = nf; |
| 530 | cooked_font->next_font = NULL; |
| 531 | |
| 532 | cooked_rom->font_start = cooked_font; |
| 533 | |
| 534 | return cooked_font; |
| 535 | } |
| 536 | #else |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 537 | struct sti_cooked_font * __devinit |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 538 | sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | { |
| 540 | return NULL; |
| 541 | } |
| 542 | #endif |
| 543 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 544 | struct sti_cooked_font * __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | sti_select_font(struct sti_cooked_rom *rom, |
| 546 | int (*search_font_fnc) (struct sti_cooked_rom *,int,int) ) |
| 547 | { |
| 548 | struct sti_cooked_font *font; |
| 549 | int i; |
| 550 | int index = num_sti_roms; |
| 551 | |
| 552 | /* check for framebuffer-font first */ |
| 553 | if ((font = sti_select_fbfont(rom, font_name[index]))) |
| 554 | return font; |
| 555 | |
| 556 | if (font_width[index] && font_height[index]) |
| 557 | font_index[index] = search_font_fnc(rom, |
| 558 | font_height[index], font_width[index]); |
| 559 | |
| 560 | for (font = rom->font_start, i = font_index[index]; |
| 561 | font && (i > 0); |
| 562 | font = font->next_font, i--); |
| 563 | |
| 564 | if (font) |
| 565 | return font; |
| 566 | else |
| 567 | return rom->font_start; |
| 568 | } |
| 569 | |
| 570 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 571 | static void __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | sti_dump_rom(struct sti_rom *rom) |
| 573 | { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 574 | 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] | 575 | rom->graphics_id[0], |
| 576 | rom->graphics_id[1], |
| 577 | rom->revno[0] >> 4, |
| 578 | rom->revno[0] & 0x0f); |
| 579 | DPRINTK((" supports %d monitors\n", rom->num_mons)); |
| 580 | DPRINTK((" font start %08x\n", rom->font_start)); |
| 581 | DPRINTK((" region list %08x\n", rom->region_list)); |
| 582 | DPRINTK((" init_graph %08x\n", rom->init_graph)); |
| 583 | DPRINTK((" bus support %02x\n", rom->bus_support)); |
| 584 | DPRINTK((" ext bus support %02x\n", rom->ext_bus_support)); |
| 585 | DPRINTK((" alternate code type %d\n", rom->alt_code_type)); |
| 586 | } |
| 587 | |
| 588 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 589 | static int __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | sti_cook_fonts(struct sti_cooked_rom *cooked_rom, |
| 591 | struct sti_rom *raw_rom) |
| 592 | { |
| 593 | struct sti_rom_font *raw_font, *font_start; |
| 594 | struct sti_cooked_font *cooked_font; |
| 595 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 596 | cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | if (!cooked_font) |
| 598 | return 0; |
| 599 | |
| 600 | cooked_rom->font_start = cooked_font; |
| 601 | |
| 602 | raw_font = ((void *)raw_rom) + (raw_rom->font_start); |
| 603 | |
| 604 | font_start = raw_font; |
| 605 | cooked_font->raw = raw_font; |
| 606 | |
| 607 | while (raw_font->next_font) { |
| 608 | raw_font = ((void *)font_start) + (raw_font->next_font); |
| 609 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 610 | cooked_font->next_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | if (!cooked_font->next_font) |
| 612 | return 1; |
| 613 | |
| 614 | cooked_font = cooked_font->next_font; |
| 615 | |
| 616 | cooked_font->raw = raw_font; |
| 617 | } |
| 618 | |
| 619 | cooked_font->next_font = NULL; |
| 620 | return 1; |
| 621 | } |
| 622 | |
| 623 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 624 | static int __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 625 | sti_search_font(struct sti_cooked_rom *rom, int height, int width) |
| 626 | { |
| 627 | struct sti_cooked_font *font; |
| 628 | int i = 0; |
| 629 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 630 | for (font = rom->font_start; font; font = font->next_font, i++) { |
| 631 | if ((font->raw->width == width) && |
| 632 | (font->raw->height == height)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | return i; |
| 634 | } |
| 635 | return 0; |
| 636 | } |
| 637 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 638 | #define BMODE_RELOCATE(offset) offset = (offset) / 4; |
| 639 | #define BMODE_LAST_ADDR_OFFS 0x50 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 641 | static void * __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 642 | sti_bmode_font_raw(struct sti_cooked_font *f) |
| 643 | { |
| 644 | unsigned char *n, *p, *q; |
| 645 | int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font); |
| 646 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 647 | n = kzalloc (4*size, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 648 | if (!n) |
| 649 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 650 | p = n + 3; |
| 651 | q = (unsigned char *)f->raw; |
| 652 | while (size--) { |
| 653 | *p = *q++; |
| 654 | p+=4; |
| 655 | } |
| 656 | return n + 3; |
| 657 | } |
| 658 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 659 | static void __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | sti_bmode_rom_copy(unsigned long base, unsigned long count, void *dest) |
| 661 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | unsigned long dest_start = (unsigned long) dest; |
| 663 | |
| 664 | while (count) { |
| 665 | count--; |
| 666 | *(u8 *)dest = gsc_readl(base); |
| 667 | base += 4; |
| 668 | dest++; |
| 669 | } |
Kyle McMartin | 03b18f1 | 2007-06-29 02:17:50 -0400 | [diff] [blame] | 670 | |
| 671 | sti_flush(dest_start, (unsigned long)dest); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | } |
| 673 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 674 | static struct sti_rom * __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | sti_get_bmode_rom (unsigned long address) |
| 676 | { |
| 677 | struct sti_rom *raw; |
| 678 | u32 size; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 679 | struct sti_rom_font *raw_font, *font_start; |
| 680 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size); |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 682 | |
| 683 | size = (size+3) / 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | raw = kmalloc(size, GFP_KERNEL); |
| 685 | if (raw) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 686 | sti_bmode_rom_copy(address, size, raw); |
| 687 | memmove (&raw->res004, &raw->type[0], 0x3c); |
| 688 | raw->type[3] = raw->res004; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 690 | BMODE_RELOCATE (raw->region_list); |
| 691 | BMODE_RELOCATE (raw->font_start); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 693 | BMODE_RELOCATE (raw->init_graph); |
| 694 | BMODE_RELOCATE (raw->state_mgmt); |
| 695 | BMODE_RELOCATE (raw->font_unpmv); |
| 696 | BMODE_RELOCATE (raw->block_move); |
| 697 | BMODE_RELOCATE (raw->inq_conf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 698 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 699 | raw_font = ((void *)raw) + raw->font_start; |
| 700 | font_start = raw_font; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 702 | while (raw_font->next_font) { |
| 703 | BMODE_RELOCATE (raw_font->next_font); |
| 704 | raw_font = ((void *)font_start) + raw_font->next_font; |
| 705 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | } |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 707 | return raw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | } |
| 709 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 710 | struct sti_rom * __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | sti_get_wmode_rom (unsigned long address) |
| 712 | { |
| 713 | struct sti_rom *raw; |
| 714 | unsigned long size; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 715 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | /* read the ROM size directly from the struct in ROM */ |
| 717 | size = gsc_readl(address + offsetof(struct sti_rom,last_addr)); |
| 718 | |
| 719 | raw = kmalloc(size, GFP_KERNEL); |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 720 | if (raw) |
| 721 | sti_rom_copy(address, size, raw); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 722 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 723 | return raw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 724 | } |
| 725 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 726 | int __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | sti_read_rom(int wordmode, struct sti_struct *sti, unsigned long address) |
| 728 | { |
| 729 | struct sti_cooked_rom *cooked; |
| 730 | struct sti_rom *raw = NULL; |
| 731 | |
| 732 | cooked = kmalloc(sizeof *cooked, GFP_KERNEL); |
| 733 | if (!cooked) |
| 734 | goto out_err; |
| 735 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 736 | if (wordmode) |
| 737 | raw = sti_get_wmode_rom (address); |
| 738 | else |
| 739 | raw = sti_get_bmode_rom (address); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 741 | if (!raw) |
| 742 | goto out_err; |
| 743 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | if (!sti_cook_fonts(cooked, raw)) { |
| 745 | printk(KERN_ERR "No font found for STI at %08lx\n", address); |
| 746 | goto out_err; |
| 747 | } |
| 748 | |
| 749 | if (raw->region_list) |
| 750 | memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions)); |
| 751 | |
| 752 | address = (unsigned long) STI_PTR(raw); |
| 753 | |
| 754 | sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff); |
| 755 | sti->block_move = address + (raw->block_move & 0x03ffffff); |
| 756 | sti->init_graph = address + (raw->init_graph & 0x03ffffff); |
| 757 | sti->inq_conf = address + (raw->inq_conf & 0x03ffffff); |
| 758 | |
| 759 | sti->rom = cooked; |
| 760 | sti->rom->raw = raw; |
| 761 | |
| 762 | sti->font = sti_select_font(sti->rom, sti_search_font); |
| 763 | sti->font_width = sti->font->raw->width; |
| 764 | sti->font_height = sti->font->raw->height; |
| 765 | if (!wordmode) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 766 | sti->font->raw = sti_bmode_font_raw(sti->font); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | |
| 768 | sti->sti_mem_request = raw->sti_mem_req; |
| 769 | sti->graphics_id[0] = raw->graphics_id[0]; |
| 770 | sti->graphics_id[1] = raw->graphics_id[1]; |
| 771 | |
| 772 | sti_dump_rom(raw); |
| 773 | |
| 774 | return 1; |
| 775 | |
| 776 | out_err: |
| 777 | kfree(raw); |
| 778 | kfree(cooked); |
| 779 | return 0; |
| 780 | } |
| 781 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 782 | static struct sti_struct * __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | sti_try_rom_generic(unsigned long address, unsigned long hpa, struct pci_dev *pd) |
| 784 | { |
| 785 | struct sti_struct *sti; |
| 786 | int ok; |
| 787 | u32 sig; |
| 788 | |
| 789 | if (num_sti_roms >= MAX_STI_ROMS) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 790 | printk(KERN_WARNING "maximum number of STI ROMS reached !\n"); |
| 791 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | } |
| 793 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 794 | sti = kzalloc(sizeof(*sti), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 795 | if (!sti) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 796 | printk(KERN_ERR "Not enough memory !\n"); |
| 797 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 798 | } |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 799 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | spin_lock_init(&sti->lock); |
| 801 | |
| 802 | test_rom: |
| 803 | /* if we can't read the ROM, bail out early. Not being able |
| 804 | * to read the hpa is okay, for romless sti */ |
| 805 | if (pdc_add_valid(address)) |
| 806 | goto out_err; |
| 807 | |
| 808 | sig = gsc_readl(address); |
| 809 | |
| 810 | /* check for a PCI ROM structure */ |
| 811 | if ((le32_to_cpu(sig)==0xaa55)) { |
| 812 | unsigned int i, rm_offset; |
| 813 | u32 *rm; |
| 814 | i = gsc_readl(address+0x04); |
| 815 | if (i != 1) { |
| 816 | /* The ROM could have multiple architecture |
| 817 | * dependent images (e.g. i386, parisc,...) */ |
| 818 | printk(KERN_WARNING |
| 819 | "PCI ROM is not a STI ROM type image (0x%8x)\n", i); |
| 820 | goto out_err; |
| 821 | } |
| 822 | |
| 823 | sti->pd = pd; |
| 824 | |
| 825 | i = gsc_readl(address+0x0c); |
| 826 | DPRINTK(("PCI ROM size (from header) = %d kB\n", |
| 827 | le16_to_cpu(i>>16)*512/1024)); |
| 828 | rm_offset = le16_to_cpu(i & 0xffff); |
| 829 | if (rm_offset) { |
| 830 | /* read 16 bytes from the pci region mapper array */ |
| 831 | rm = (u32*) &sti->rm_entry; |
| 832 | *rm++ = gsc_readl(address+rm_offset+0x00); |
| 833 | *rm++ = gsc_readl(address+rm_offset+0x04); |
| 834 | *rm++ = gsc_readl(address+rm_offset+0x08); |
| 835 | *rm++ = gsc_readl(address+rm_offset+0x0c); |
| 836 | DPRINTK(("PCI region Mapper offset = %08x: ", |
| 837 | rm_offset)); |
| 838 | for (i=0; i<16; i++) |
| 839 | DPRINTK(("%02x ", sti->rm_entry[i])); |
| 840 | DPRINTK(("\n")); |
| 841 | } |
| 842 | |
| 843 | address += le32_to_cpu(gsc_readl(address+8)); |
| 844 | DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address)); |
| 845 | goto test_rom; |
| 846 | } |
| 847 | |
| 848 | ok = 0; |
| 849 | |
| 850 | if ((sig & 0xff) == 0x01) { |
| 851 | DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n", |
| 852 | address, hpa)); |
| 853 | ok = sti_read_rom(0, sti, address); |
| 854 | } |
| 855 | |
| 856 | if ((sig & 0xffff) == 0x0303) { |
| 857 | DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n", |
| 858 | address, hpa)); |
| 859 | ok = sti_read_rom(1, sti, address); |
| 860 | } |
| 861 | |
| 862 | if (!ok) |
| 863 | goto out_err; |
| 864 | |
| 865 | if (sti_init_glob_cfg(sti, address, hpa)) |
| 866 | goto out_err; /* not enough memory */ |
| 867 | |
| 868 | /* disable STI PCI ROM. ROM and card RAM overlap and |
| 869 | * leaving it enabled would force HPMCs |
| 870 | */ |
| 871 | if (sti->pd) { |
| 872 | unsigned long rom_base; |
| 873 | rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE); |
| 874 | pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE); |
| 875 | DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n")); |
| 876 | } |
| 877 | |
| 878 | if (sti_init_graph(sti)) |
| 879 | goto out_err; |
| 880 | |
| 881 | sti_inq_conf(sti); |
| 882 | sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request); |
| 883 | sti_dump_outptr(sti); |
| 884 | |
| 885 | printk(KERN_INFO " graphics card name: %s\n", sti->outptr.dev_name ); |
| 886 | |
| 887 | sti_roms[num_sti_roms] = sti; |
| 888 | num_sti_roms++; |
| 889 | |
| 890 | return sti; |
| 891 | |
| 892 | out_err: |
| 893 | kfree(sti); |
| 894 | return NULL; |
| 895 | } |
| 896 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 897 | static void __devinit sticore_check_for_default_sti(struct sti_struct *sti, char *path) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | { |
| 899 | if (strcmp (path, default_sti_path) == 0) |
| 900 | default_sti = sti; |
| 901 | } |
| 902 | |
| 903 | /* |
| 904 | * on newer systems PDC gives the address of the ROM |
| 905 | * in the additional address field addr[1] while on |
| 906 | * older Systems the PDC stores it in page0->proc_sti |
| 907 | */ |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 908 | static int __devinit sticore_pa_init(struct parisc_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | char pa_path[21]; |
| 911 | struct sti_struct *sti = NULL; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 912 | int hpa = dev->hpa.start; |
| 913 | |
| 914 | if (dev->num_addrs && dev->addr[0]) |
| 915 | sti = sti_try_rom_generic(dev->addr[0], hpa, NULL); |
| 916 | if (!sti) |
| 917 | sti = sti_try_rom_generic(hpa, hpa, NULL); |
| 918 | if (!sti) |
| 919 | sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 920 | if (!sti) |
| 921 | return 1; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 922 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 923 | print_pa_hwpath(dev, pa_path); |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 924 | sticore_check_for_default_sti(sti, pa_path); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | return 0; |
| 926 | } |
| 927 | |
| 928 | |
| 929 | static int __devinit sticore_pci_init(struct pci_dev *pd, |
| 930 | const struct pci_device_id *ent) |
| 931 | { |
| 932 | #ifdef CONFIG_PCI |
| 933 | unsigned long fb_base, rom_base; |
| 934 | unsigned int fb_len, rom_len; |
| 935 | struct sti_struct *sti; |
| 936 | |
| 937 | pci_enable_device(pd); |
| 938 | |
| 939 | fb_base = pci_resource_start(pd, 0); |
| 940 | fb_len = pci_resource_len(pd, 0); |
| 941 | rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE); |
| 942 | rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE); |
| 943 | if (rom_base) { |
| 944 | pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE); |
| 945 | DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base)); |
| 946 | } |
| 947 | |
| 948 | printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n", |
| 949 | rom_base, rom_len/1024, fb_base, fb_len/1024/1024); |
| 950 | |
| 951 | DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n", |
| 952 | rom_base, fb_base)); |
| 953 | |
| 954 | sti = sti_try_rom_generic(rom_base, fb_base, pd); |
| 955 | if (sti) { |
| 956 | char pa_path[30]; |
| 957 | print_pci_hwpath(pd, pa_path); |
| 958 | sticore_check_for_default_sti(sti, pa_path); |
| 959 | } |
| 960 | |
| 961 | if (!sti) { |
| 962 | printk(KERN_WARNING "Unable to handle STI device '%s'\n", |
| 963 | pci_name(pd)); |
| 964 | return -ENODEV; |
| 965 | } |
| 966 | #endif /* CONFIG_PCI */ |
| 967 | |
| 968 | return 0; |
| 969 | } |
| 970 | |
| 971 | |
| 972 | static void __devexit sticore_pci_remove(struct pci_dev *pd) |
| 973 | { |
| 974 | BUG(); |
| 975 | } |
| 976 | |
| 977 | |
| 978 | static struct pci_device_id sti_pci_tbl[] = { |
| 979 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) }, |
| 980 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) }, |
| 981 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) }, |
| 982 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) }, |
| 983 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) }, |
| 984 | { 0, } /* terminate list */ |
| 985 | }; |
| 986 | MODULE_DEVICE_TABLE(pci, sti_pci_tbl); |
| 987 | |
| 988 | static struct pci_driver pci_sti_driver = { |
| 989 | .name = "sti", |
| 990 | .id_table = sti_pci_tbl, |
| 991 | .probe = sticore_pci_init, |
| 992 | .remove = sticore_pci_remove, |
| 993 | }; |
| 994 | |
| 995 | static struct parisc_device_id sti_pa_tbl[] = { |
| 996 | { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 }, |
| 997 | { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 }, |
| 998 | { 0, } |
| 999 | }; |
| 1000 | |
| 1001 | static struct parisc_driver pa_sti_driver = { |
| 1002 | .name = "sti", |
| 1003 | .id_table = sti_pa_tbl, |
| 1004 | .probe = sticore_pa_init, |
| 1005 | }; |
| 1006 | |
| 1007 | |
| 1008 | /* |
| 1009 | * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[] |
| 1010 | */ |
| 1011 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 1012 | static int sticore_initialized __read_mostly; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1013 | |
Helge Deller | 48a7d5c | 2007-05-27 18:10:25 +0200 | [diff] [blame] | 1014 | static void __devinit sti_init_roms(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | { |
| 1016 | if (sticore_initialized) |
| 1017 | return; |
| 1018 | |
| 1019 | sticore_initialized = 1; |
| 1020 | |
| 1021 | printk(KERN_INFO "STI GSC/PCI core graphics driver " |
| 1022 | STI_DRIVERVERSION "\n"); |
| 1023 | |
| 1024 | /* Register drivers for native & PCI cards */ |
| 1025 | register_parisc_driver(&pa_sti_driver); |
| 1026 | pci_register_driver(&pci_sti_driver); |
| 1027 | |
| 1028 | /* if we didn't find the given default sti, take the first one */ |
| 1029 | if (!default_sti) |
| 1030 | default_sti = sti_roms[0]; |
| 1031 | |
| 1032 | } |
| 1033 | |
| 1034 | /* |
| 1035 | * index = 0 gives default sti |
| 1036 | * index > 0 gives other stis in detection order |
| 1037 | */ |
| 1038 | struct sti_struct * sti_get_rom(unsigned int index) |
| 1039 | { |
| 1040 | if (!sticore_initialized) |
| 1041 | sti_init_roms(); |
| 1042 | |
| 1043 | if (index == 0) |
| 1044 | return default_sti; |
| 1045 | |
| 1046 | if (index > num_sti_roms) |
| 1047 | return NULL; |
| 1048 | |
| 1049 | return sti_roms[index-1]; |
| 1050 | } |
| 1051 | EXPORT_SYMBOL(sti_get_rom); |
| 1052 | |
| 1053 | MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer"); |
| 1054 | MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines"); |
| 1055 | MODULE_LICENSE("GPL v2"); |
| 1056 | |