Commit | Line | Data |
---|---|---|
1da177e4 LT |
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)) | |
514 | return NULL; | |
515 | fbfont = find_font(fbfont_name); | |
516 | if (!fbfont) | |
517 | fbfont = get_default_font(1024,768); | |
518 | if (!fbfont) | |
519 | return NULL; | |
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) | |
530 | return NULL; | |
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) { | |
549 | kfree(nf); | |
550 | return NULL; | |
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 | { | |
598 | printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n", | |
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 | ||
654 | for(font = rom->font_start; font; font = font->next_font, i++) { | |
655 | if((font->raw->width == width) && (font->raw->height == height)) | |
656 | return i; | |
657 | } | |
658 | return 0; | |
659 | } | |
660 | ||
661 | #define BMODE_RELOCATE(offset) offset = (offset) / 4; | |
662 | #define BMODE_LAST_ADDR_OFFS 0x50 | |
663 | ||
664 | static void * __init | |
665 | sti_bmode_font_raw(struct sti_cooked_font *f) | |
666 | { | |
667 | unsigned char *n, *p, *q; | |
668 | int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font); | |
669 | ||
670 | n = kmalloc (4*size, GFP_KERNEL); | |
671 | if (!n) | |
672 | return NULL; | |
673 | memset (n, 0, 4*size); | |
674 | p = n + 3; | |
675 | q = (unsigned char *)f->raw; | |
676 | while (size--) { | |
677 | *p = *q++; | |
678 | p+=4; | |
679 | } | |
680 | return n + 3; | |
681 | } | |
682 | ||
683 | static void __init | |
684 | sti_bmode_rom_copy(unsigned long base, unsigned long count, void *dest) | |
685 | { | |
686 | unsigned long dest_len = count; | |
687 | unsigned long dest_start = (unsigned long) dest; | |
688 | ||
689 | while (count) { | |
690 | count--; | |
691 | *(u8 *)dest = gsc_readl(base); | |
692 | base += 4; | |
693 | dest++; | |
694 | } | |
695 | sti_flush(dest_start, dest_len); | |
696 | } | |
697 | ||
698 | static struct sti_rom * __init | |
699 | sti_get_bmode_rom (unsigned long address) | |
700 | { | |
701 | struct sti_rom *raw; | |
702 | u32 size; | |
703 | struct sti_rom_font *raw_font, *font_start; | |
704 | ||
705 | sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size); | |
706 | ||
707 | size = (size+3) / 4; | |
708 | raw = kmalloc(size, GFP_KERNEL); | |
709 | if (raw) { | |
710 | sti_bmode_rom_copy(address, size, raw); | |
711 | memmove (&raw->res004, &raw->type[0], 0x3c); | |
712 | raw->type[3] = raw->res004; | |
713 | ||
714 | BMODE_RELOCATE (raw->region_list); | |
715 | BMODE_RELOCATE (raw->font_start); | |
716 | ||
717 | BMODE_RELOCATE (raw->init_graph); | |
718 | BMODE_RELOCATE (raw->state_mgmt); | |
719 | BMODE_RELOCATE (raw->font_unpmv); | |
720 | BMODE_RELOCATE (raw->block_move); | |
721 | BMODE_RELOCATE (raw->inq_conf); | |
722 | ||
723 | raw_font = ((void *)raw) + raw->font_start; | |
724 | font_start = raw_font; | |
725 | ||
726 | while (raw_font->next_font) { | |
727 | BMODE_RELOCATE (raw_font->next_font); | |
728 | raw_font = ((void *)font_start) + raw_font->next_font; | |
729 | } | |
730 | } | |
731 | return raw; | |
732 | } | |
733 | ||
734 | struct sti_rom * __init | |
735 | sti_get_wmode_rom (unsigned long address) | |
736 | { | |
737 | struct sti_rom *raw; | |
738 | unsigned long size; | |
739 | ||
740 | /* read the ROM size directly from the struct in ROM */ | |
741 | size = gsc_readl(address + offsetof(struct sti_rom,last_addr)); | |
742 | ||
743 | raw = kmalloc(size, GFP_KERNEL); | |
744 | if(raw) | |
745 | sti_rom_copy(address, size, raw); | |
746 | ||
747 | return raw; | |
748 | } | |
749 | ||
750 | int __init | |
751 | sti_read_rom(int wordmode, struct sti_struct *sti, unsigned long address) | |
752 | { | |
753 | struct sti_cooked_rom *cooked; | |
754 | struct sti_rom *raw = NULL; | |
755 | ||
756 | cooked = kmalloc(sizeof *cooked, GFP_KERNEL); | |
757 | if (!cooked) | |
758 | goto out_err; | |
759 | ||
760 | if (wordmode) | |
761 | raw = sti_get_wmode_rom (address); | |
762 | else | |
763 | raw = sti_get_bmode_rom (address); | |
764 | ||
765 | if (!raw) | |
766 | goto out_err; | |
767 | ||
768 | if (!sti_cook_fonts(cooked, raw)) { | |
769 | printk(KERN_ERR "No font found for STI at %08lx\n", address); | |
770 | goto out_err; | |
771 | } | |
772 | ||
773 | if (raw->region_list) | |
774 | memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions)); | |
775 | ||
776 | address = (unsigned long) STI_PTR(raw); | |
777 | ||
778 | sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff); | |
779 | sti->block_move = address + (raw->block_move & 0x03ffffff); | |
780 | sti->init_graph = address + (raw->init_graph & 0x03ffffff); | |
781 | sti->inq_conf = address + (raw->inq_conf & 0x03ffffff); | |
782 | ||
783 | sti->rom = cooked; | |
784 | sti->rom->raw = raw; | |
785 | ||
786 | sti->font = sti_select_font(sti->rom, sti_search_font); | |
787 | sti->font_width = sti->font->raw->width; | |
788 | sti->font_height = sti->font->raw->height; | |
789 | if (!wordmode) | |
790 | sti->font->raw = sti_bmode_font_raw(sti->font); | |
791 | ||
792 | sti->sti_mem_request = raw->sti_mem_req; | |
793 | sti->graphics_id[0] = raw->graphics_id[0]; | |
794 | sti->graphics_id[1] = raw->graphics_id[1]; | |
795 | ||
796 | sti_dump_rom(raw); | |
797 | ||
798 | return 1; | |
799 | ||
800 | out_err: | |
801 | kfree(raw); | |
802 | kfree(cooked); | |
803 | return 0; | |
804 | } | |
805 | ||
806 | static struct sti_struct * __init | |
807 | sti_try_rom_generic(unsigned long address, unsigned long hpa, struct pci_dev *pd) | |
808 | { | |
809 | struct sti_struct *sti; | |
810 | int ok; | |
811 | u32 sig; | |
812 | ||
813 | if (num_sti_roms >= MAX_STI_ROMS) { | |
814 | printk(KERN_WARNING "maximum number of STI ROMS reached !\n"); | |
815 | return NULL; | |
816 | } | |
817 | ||
818 | sti = kmalloc(sizeof(*sti), GFP_KERNEL); | |
819 | if (!sti) { | |
820 | printk(KERN_ERR "Not enough memory !\n"); | |
821 | return NULL; | |
822 | } | |
823 | ||
824 | memset(sti, 0, sizeof(*sti)); | |
825 | spin_lock_init(&sti->lock); | |
826 | ||
827 | test_rom: | |
828 | /* if we can't read the ROM, bail out early. Not being able | |
829 | * to read the hpa is okay, for romless sti */ | |
830 | if (pdc_add_valid(address)) | |
831 | goto out_err; | |
832 | ||
833 | sig = gsc_readl(address); | |
834 | ||
835 | /* check for a PCI ROM structure */ | |
836 | if ((le32_to_cpu(sig)==0xaa55)) { | |
837 | unsigned int i, rm_offset; | |
838 | u32 *rm; | |
839 | i = gsc_readl(address+0x04); | |
840 | if (i != 1) { | |
841 | /* The ROM could have multiple architecture | |
842 | * dependent images (e.g. i386, parisc,...) */ | |
843 | printk(KERN_WARNING | |
844 | "PCI ROM is not a STI ROM type image (0x%8x)\n", i); | |
845 | goto out_err; | |
846 | } | |
847 | ||
848 | sti->pd = pd; | |
849 | ||
850 | i = gsc_readl(address+0x0c); | |
851 | DPRINTK(("PCI ROM size (from header) = %d kB\n", | |
852 | le16_to_cpu(i>>16)*512/1024)); | |
853 | rm_offset = le16_to_cpu(i & 0xffff); | |
854 | if (rm_offset) { | |
855 | /* read 16 bytes from the pci region mapper array */ | |
856 | rm = (u32*) &sti->rm_entry; | |
857 | *rm++ = gsc_readl(address+rm_offset+0x00); | |
858 | *rm++ = gsc_readl(address+rm_offset+0x04); | |
859 | *rm++ = gsc_readl(address+rm_offset+0x08); | |
860 | *rm++ = gsc_readl(address+rm_offset+0x0c); | |
861 | DPRINTK(("PCI region Mapper offset = %08x: ", | |
862 | rm_offset)); | |
863 | for (i=0; i<16; i++) | |
864 | DPRINTK(("%02x ", sti->rm_entry[i])); | |
865 | DPRINTK(("\n")); | |
866 | } | |
867 | ||
868 | address += le32_to_cpu(gsc_readl(address+8)); | |
869 | DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address)); | |
870 | goto test_rom; | |
871 | } | |
872 | ||
873 | ok = 0; | |
874 | ||
875 | if ((sig & 0xff) == 0x01) { | |
876 | DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n", | |
877 | address, hpa)); | |
878 | ok = sti_read_rom(0, sti, address); | |
879 | } | |
880 | ||
881 | if ((sig & 0xffff) == 0x0303) { | |
882 | DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n", | |
883 | address, hpa)); | |
884 | ok = sti_read_rom(1, sti, address); | |
885 | } | |
886 | ||
887 | if (!ok) | |
888 | goto out_err; | |
889 | ||
890 | if (sti_init_glob_cfg(sti, address, hpa)) | |
891 | goto out_err; /* not enough memory */ | |
892 | ||
893 | /* disable STI PCI ROM. ROM and card RAM overlap and | |
894 | * leaving it enabled would force HPMCs | |
895 | */ | |
896 | if (sti->pd) { | |
897 | unsigned long rom_base; | |
898 | rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE); | |
899 | pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE); | |
900 | DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n")); | |
901 | } | |
902 | ||
903 | if (sti_init_graph(sti)) | |
904 | goto out_err; | |
905 | ||
906 | sti_inq_conf(sti); | |
907 | sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request); | |
908 | sti_dump_outptr(sti); | |
909 | ||
910 | printk(KERN_INFO " graphics card name: %s\n", sti->outptr.dev_name ); | |
911 | ||
912 | sti_roms[num_sti_roms] = sti; | |
913 | num_sti_roms++; | |
914 | ||
915 | return sti; | |
916 | ||
917 | out_err: | |
918 | kfree(sti); | |
919 | return NULL; | |
920 | } | |
921 | ||
922 | static void __init sticore_check_for_default_sti(struct sti_struct *sti, char *path) | |
923 | { | |
924 | if (strcmp (path, default_sti_path) == 0) | |
925 | default_sti = sti; | |
926 | } | |
927 | ||
928 | /* | |
929 | * on newer systems PDC gives the address of the ROM | |
930 | * in the additional address field addr[1] while on | |
931 | * older Systems the PDC stores it in page0->proc_sti | |
932 | */ | |
933 | static int __init sticore_pa_init(struct parisc_device *dev) | |
934 | { | |
935 | unsigned long rom = 0; | |
936 | char pa_path[21]; | |
937 | struct sti_struct *sti = NULL; | |
938 | ||
939 | if(dev->num_addrs) { | |
940 | rom = dev->addr[0]; | |
941 | } | |
942 | if (!rom) { | |
943 | rom = dev->hpa; | |
944 | DPRINTK((KERN_DEBUG "Trying STI ROM at %08lx, hpa at %08lx\n", rom, dev->hpa)); | |
945 | sti = sti_try_rom_generic(rom, dev->hpa, NULL); | |
946 | rom = PAGE0->proc_sti; | |
947 | } | |
948 | if (!sti) { | |
949 | DPRINTK((KERN_DEBUG "Trying STI ROM at %08lx, hpa at %08lx\n", rom, dev->hpa)); | |
950 | sti = sti_try_rom_generic(rom, dev->hpa, NULL); | |
951 | } | |
952 | if (!sti) | |
953 | return 1; | |
954 | ||
955 | print_pa_hwpath(dev, pa_path); | |
956 | sticore_check_for_default_sti (sti, pa_path); | |
957 | return 0; | |
958 | } | |
959 | ||
960 | ||
961 | static int __devinit sticore_pci_init(struct pci_dev *pd, | |
962 | const struct pci_device_id *ent) | |
963 | { | |
964 | #ifdef CONFIG_PCI | |
965 | unsigned long fb_base, rom_base; | |
966 | unsigned int fb_len, rom_len; | |
967 | struct sti_struct *sti; | |
968 | ||
969 | pci_enable_device(pd); | |
970 | ||
971 | fb_base = pci_resource_start(pd, 0); | |
972 | fb_len = pci_resource_len(pd, 0); | |
973 | rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE); | |
974 | rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE); | |
975 | if (rom_base) { | |
976 | pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE); | |
977 | DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base)); | |
978 | } | |
979 | ||
980 | printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n", | |
981 | rom_base, rom_len/1024, fb_base, fb_len/1024/1024); | |
982 | ||
983 | DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n", | |
984 | rom_base, fb_base)); | |
985 | ||
986 | sti = sti_try_rom_generic(rom_base, fb_base, pd); | |
987 | if (sti) { | |
988 | char pa_path[30]; | |
989 | print_pci_hwpath(pd, pa_path); | |
990 | sticore_check_for_default_sti(sti, pa_path); | |
991 | } | |
992 | ||
993 | if (!sti) { | |
994 | printk(KERN_WARNING "Unable to handle STI device '%s'\n", | |
995 | pci_name(pd)); | |
996 | return -ENODEV; | |
997 | } | |
998 | #endif /* CONFIG_PCI */ | |
999 | ||
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | ||
1004 | static void __devexit sticore_pci_remove(struct pci_dev *pd) | |
1005 | { | |
1006 | BUG(); | |
1007 | } | |
1008 | ||
1009 | ||
1010 | static struct pci_device_id sti_pci_tbl[] = { | |
1011 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) }, | |
1012 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) }, | |
1013 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) }, | |
1014 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) }, | |
1015 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) }, | |
1016 | { 0, } /* terminate list */ | |
1017 | }; | |
1018 | MODULE_DEVICE_TABLE(pci, sti_pci_tbl); | |
1019 | ||
1020 | static struct pci_driver pci_sti_driver = { | |
1021 | .name = "sti", | |
1022 | .id_table = sti_pci_tbl, | |
1023 | .probe = sticore_pci_init, | |
1024 | .remove = sticore_pci_remove, | |
1025 | }; | |
1026 | ||
1027 | static struct parisc_device_id sti_pa_tbl[] = { | |
1028 | { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 }, | |
1029 | { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 }, | |
1030 | { 0, } | |
1031 | }; | |
1032 | ||
1033 | static struct parisc_driver pa_sti_driver = { | |
1034 | .name = "sti", | |
1035 | .id_table = sti_pa_tbl, | |
1036 | .probe = sticore_pa_init, | |
1037 | }; | |
1038 | ||
1039 | ||
1040 | /* | |
1041 | * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[] | |
1042 | */ | |
1043 | ||
1044 | static int sticore_initialized; | |
1045 | ||
1046 | static void __init sti_init_roms(void) | |
1047 | { | |
1048 | if (sticore_initialized) | |
1049 | return; | |
1050 | ||
1051 | sticore_initialized = 1; | |
1052 | ||
1053 | printk(KERN_INFO "STI GSC/PCI core graphics driver " | |
1054 | STI_DRIVERVERSION "\n"); | |
1055 | ||
1056 | /* Register drivers for native & PCI cards */ | |
1057 | register_parisc_driver(&pa_sti_driver); | |
1058 | pci_register_driver(&pci_sti_driver); | |
1059 | ||
1060 | /* if we didn't find the given default sti, take the first one */ | |
1061 | if (!default_sti) | |
1062 | default_sti = sti_roms[0]; | |
1063 | ||
1064 | } | |
1065 | ||
1066 | /* | |
1067 | * index = 0 gives default sti | |
1068 | * index > 0 gives other stis in detection order | |
1069 | */ | |
1070 | struct sti_struct * sti_get_rom(unsigned int index) | |
1071 | { | |
1072 | if (!sticore_initialized) | |
1073 | sti_init_roms(); | |
1074 | ||
1075 | if (index == 0) | |
1076 | return default_sti; | |
1077 | ||
1078 | if (index > num_sti_roms) | |
1079 | return NULL; | |
1080 | ||
1081 | return sti_roms[index-1]; | |
1082 | } | |
1083 | EXPORT_SYMBOL(sti_get_rom); | |
1084 | ||
1085 | MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer"); | |
1086 | MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines"); | |
1087 | MODULE_LICENSE("GPL v2"); | |
1088 |