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[PARISC] Use kzalloc and other janitor-style cleanups
[deliverable/linux.git] / drivers / video / console / sticore.c
CommitLineData
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
cb6fc18e 33struct sti_struct *default_sti __read_mostly;
1da177e4 34
cb6fc18e
HD		 35/* number of STI ROMS found and their ptrs to each struct */
36static int num_sti_roms __read_mostly;
37static struct sti_struct *sti_roms[MAX_STI_ROMS] __read_mostly;
1da177e4
LT		 38
39
40/* The colour indices used by STI are
41 * 0 - Black
42 * 1 - White
43 * 2 - Red
44 * 3 - Yellow/Brown
45 * 4 - Green
46 * 5 - Cyan
47 * 6 - Blue
48 * 7 - Magenta
49 *
50 * So we have the same colours as VGA (basically one bit each for R, G, B),
51 * but have to translate them, anyway. */
52
53static const u8 col_trans[8] = {
54 0, 6, 4, 5,
55 2, 7, 3, 1
56};
57
58#define c_fg(sti, c) col_trans[((c>> 8) & 7)]
59#define c_bg(sti, c) col_trans[((c>>11) & 7)]
60#define c_index(sti, c) ((c) & 0xff)
61
62static const struct sti_init_flags default_init_flags = {
63 .wait = STI_WAIT,
64 .reset = 1,
65 .text = 1,
66 .nontext = 1,
67 .no_chg_bet = 1,
68 .no_chg_bei = 1,
69 .init_cmap_tx = 1,
70};
71
72int
73sti_init_graph(struct sti_struct *sti)
74{
75 struct sti_init_inptr_ext inptr_ext = { 0, };
76 struct sti_init_inptr inptr = {
77 .text_planes = 3, /* # of text planes (max 3 for STI) */
78 .ext_ptr = STI_PTR(&inptr_ext)
79 };
80 struct sti_init_outptr outptr = { 0, };
81 unsigned long flags;
82 int ret;
83
84 spin_lock_irqsave(&sti->lock, flags);
85
86 ret = STI_CALL(sti->init_graph, &default_init_flags, &inptr,
87 &outptr, sti->glob_cfg);
88
89 spin_unlock_irqrestore(&sti->lock, flags);
90
91 if (ret < 0) {
92 printk(KERN_ERR "STI init_graph failed (ret %d, errno %d)\n",ret,outptr.errno);
93 return -1;
94 }
95
96 sti->text_planes = outptr.text_planes;
97 return 0;
98}
99
100static const struct sti_conf_flags default_conf_flags = {
101 .wait = STI_WAIT,
102};
103
104void
105sti_inq_conf(struct sti_struct *sti)
106{
107 struct sti_conf_inptr inptr = { 0, };
108 unsigned long flags;
109 s32 ret;
110
111 sti->outptr.ext_ptr = STI_PTR(&sti->outptr_ext);
112
113 do {
114 spin_lock_irqsave(&sti->lock, flags);
115 ret = STI_CALL(sti->inq_conf, &default_conf_flags,
116 &inptr, &sti->outptr, sti->glob_cfg);
117 spin_unlock_irqrestore(&sti->lock, flags);
118 } while (ret == 1);
119}
120
121static const struct sti_font_flags default_font_flags = {
122 .wait = STI_WAIT,
123 .non_text = 0,
124};
125
126void
127sti_putc(struct sti_struct *sti, int c, int y, int x)
128{
129 struct sti_font_inptr inptr = {
130 .font_start_addr= STI_PTR(sti->font->raw),
131 .index = c_index(sti, c),
132 .fg_color = c_fg(sti, c),
133 .bg_color = c_bg(sti, c),
134 .dest_x = x * sti->font_width,
135 .dest_y = y * sti->font_height,
136 };
137 struct sti_font_outptr outptr = { 0, };
138 s32 ret;
139 unsigned long flags;
140
141 do {
142 spin_lock_irqsave(&sti->lock, flags);
143 ret = STI_CALL(sti->font_unpmv, &default_font_flags,
144 &inptr, &outptr, sti->glob_cfg);
145 spin_unlock_irqrestore(&sti->lock, flags);
146 } while (ret == 1);
147}
148
149static const struct sti_blkmv_flags clear_blkmv_flags = {
150 .wait = STI_WAIT,
151 .color = 1,
152 .clear = 1,
153};
154
155void
156sti_set(struct sti_struct *sti, int src_y, int src_x,
157 int height, int width, u8 color)
158{
159 struct sti_blkmv_inptr inptr = {
160 .fg_color = color,
161 .bg_color = color,
162 .src_x = src_x,
163 .src_y = src_y,
164 .dest_x = src_x,
165 .dest_y = src_y,
166 .width = width,
167 .height = height,
168 };
169 struct sti_blkmv_outptr outptr = { 0, };
170 s32 ret;
171 unsigned long flags;
172
173 do {
174 spin_lock_irqsave(&sti->lock, flags);
175 ret = STI_CALL(sti->block_move, &clear_blkmv_flags,
176 &inptr, &outptr, sti->glob_cfg);
177 spin_unlock_irqrestore(&sti->lock, flags);
178 } while (ret == 1);
179}
180
181void
182sti_clear(struct sti_struct *sti, int src_y, int src_x,
183 int height, int width, int c)
184{
185 struct sti_blkmv_inptr inptr = {
186 .fg_color = c_fg(sti, c),
187 .bg_color = c_bg(sti, c),
188 .src_x = src_x * sti->font_width,
189 .src_y = src_y * sti->font_height,
190 .dest_x = src_x * sti->font_width,
191 .dest_y = src_y * sti->font_height,
192 .width = width * sti->font_width,
193 .height = height* sti->font_height,
194 };
195 struct sti_blkmv_outptr outptr = { 0, };
196 s32 ret;
197 unsigned long flags;
198
199 do {
200 spin_lock_irqsave(&sti->lock, flags);
201 ret = STI_CALL(sti->block_move, &clear_blkmv_flags,
202 &inptr, &outptr, sti->glob_cfg);
203 spin_unlock_irqrestore(&sti->lock, flags);
204 } while (ret == 1);
205}
206
207static const struct sti_blkmv_flags default_blkmv_flags = {
208 .wait = STI_WAIT,
209};
210
211void
212sti_bmove(struct sti_struct *sti, int src_y, int src_x,
213 int dst_y, int dst_x, int height, int width)
214{
215 struct sti_blkmv_inptr inptr = {
216 .src_x = src_x * sti->font_width,
217 .src_y = src_y * sti->font_height,
218 .dest_x = dst_x * sti->font_width,
219 .dest_y = dst_y * sti->font_height,
220 .width = width * sti->font_width,
221 .height = height* sti->font_height,
222 };
223 struct sti_blkmv_outptr outptr = { 0, };
224 s32 ret;
225 unsigned long flags;
226
227 do {
228 spin_lock_irqsave(&sti->lock, flags);
229 ret = STI_CALL(sti->block_move, &default_blkmv_flags,
230 &inptr, &outptr, sti->glob_cfg);
231 spin_unlock_irqrestore(&sti->lock, flags);
232 } while (ret == 1);
233}
234
235
236/* FIXME: Do we have another solution for this ? */
237static void sti_flush(unsigned long from, unsigned long len)
238{
239 flush_data_cache();
240 flush_kernel_dcache_range(from, len);
241 flush_icache_range(from, from+len);
242}
243
244void __init
245sti_rom_copy(unsigned long base, unsigned long count, void *dest)
246{
247 unsigned long dest_len = count;
248 unsigned long dest_start = (unsigned long) dest;
249
250 /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */
251 while (count >= 4) {
252 count -= 4;
253 *(u32 *)dest = gsc_readl(base);
254 base += 4;
255 dest += 4;
256 }
257 while (count) {
258 count--;
259 *(u8 *)dest = gsc_readb(base);
260 base++;
261 dest++;
262 }
263
264 sti_flush(dest_start, dest_len);
265}
266
267
268
269
cb6fc18e 270static char default_sti_path[21] __read_mostly;
1da177e4
LT		 271
272#ifndef MODULE
273static int __init sti_setup(char *str)
274{
275 if (str)
276 strlcpy (default_sti_path, str, sizeof (default_sti_path));
277
278 return 0;
279}
280
281/* Assuming the machine has multiple STI consoles (=graphic cards) which
282 * all get detected by sticon, the user may define with the linux kernel
283 * parameter sti=<x> which of them will be the initial boot-console.
284 * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default
285 * STI screen.
286 */
287__setup("sti=", sti_setup);
288#endif
289
290
291
292static char __initdata *font_name[MAX_STI_ROMS] = { "VGA8x16", };
293static int __initdata font_index[MAX_STI_ROMS],
294 font_height[MAX_STI_ROMS],
295 font_width[MAX_STI_ROMS];
296#ifndef MODULE
297static int __init sti_font_setup(char *str)
298{
299 char *x;
300 int i = 0;
301
302 /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20
303 * or sti_font=7 style command lines. */
304
305 while (i<MAX_STI_ROMS && str && *str) {
306 if (*str>='0' && *str<='9') {
307 if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) {
308 font_height[i] = simple_strtoul(str, NULL, 0);
309 font_width[i] = simple_strtoul(x+1, NULL, 0);
310 } else {
311 font_index[i] = simple_strtoul(str, NULL, 0);
312 }
313 } else {
314 font_name[i] = str; /* fb font name */
315 }
316
317 if ((x = strchr(str, ',')))
318 *x++ = 0;
319 str = x;
320
321 i++;
322 }
323
324 return 0;
325}
326
327/* The optional linux kernel parameter "sti_font" defines which font
328 * should be used by the sticon driver to draw characters to the screen.
329 * Possible values are:
330 * - sti_font=<fb_fontname>:
331 * <fb_fontname> is the name of one of the linux-kernel built-in
332 * framebuffer font names (e.g. VGA8x16, SUN22x18).
333 * This is only available if the fonts have been statically compiled
334 * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options.
335 * - sti_font=<number>
336 * most STI ROMs have built-in HP specific fonts, which can be selected
337 * by giving the desired number to the sticon driver.
338 * NOTE: This number is machine and STI ROM dependend.
339 * - sti_font=<height>x<width> (e.g. sti_font=16x8)
340 * <height> and <width> gives hints to the height and width of the
341 * font which the user wants. The sticon driver will try to use
342 * a font with this height and width, but if no suitable font is
343 * found, sticon will use the default 8x8 font.
344 */
345__setup("sti_font=", sti_font_setup);
346#endif
347
348
349
350static void __init
351sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request)
352{
353 struct sti_glob_cfg_ext *cfg;
354
355 DPRINTK((KERN_INFO
356 "%d text planes\n"
357 "%4d x %4d screen resolution\n"
358 "%4d x %4d offscreen\n"
359 "%4d x %4d layout\n"
360 "regions at %08x %08x %08x %08x\n"
361 "regions at %08x %08x %08x %08x\n"
362 "reent_lvl %d\n"
363 "save_addr %08x\n",
364 glob_cfg->text_planes,
365 glob_cfg->onscreen_x, glob_cfg->onscreen_y,
366 glob_cfg->offscreen_x, glob_cfg->offscreen_y,
367 glob_cfg->total_x, glob_cfg->total_y,
368 glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1],
369 glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3],
370 glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5],
371 glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7],
372 glob_cfg->reent_lvl,
373 glob_cfg->save_addr));
374
375 /* dump extended cfg */
376 cfg = PTR_STI(glob_cfg->ext_ptr);
377 DPRINTK(( KERN_INFO
378 "monitor %d\n"
379 "in friendly mode: %d\n"
380 "power consumption %d watts\n"
381 "freq ref %d\n"
382 "sti_mem_addr %08x (size=%d bytes)\n",
383 cfg->curr_mon,
384 cfg->friendly_boot,
385 cfg->power,
386 cfg->freq_ref,
387 cfg->sti_mem_addr, sti_mem_request));
388}
389
390static void __init
391sti_dump_outptr(struct sti_struct *sti)
392{
393 DPRINTK((KERN_INFO
394 "%d bits per pixel\n"
395 "%d used bits\n"
396 "%d planes\n"
397 "attributes %08x\n",
398 sti->outptr.bits_per_pixel,
399 sti->outptr.bits_used,
400 sti->outptr.planes,
401 sti->outptr.attributes));
402}
403
404static int __init
405sti_init_glob_cfg(struct sti_struct *sti,
406 unsigned long rom_address, unsigned long hpa)
407{
408 struct sti_glob_cfg *glob_cfg;
409 struct sti_glob_cfg_ext *glob_cfg_ext;
410 void *save_addr;
411 void *sti_mem_addr;
412 const int save_addr_size = 1024; /* XXX */
413 int i;
414
415 if (!sti->sti_mem_request)
416 sti->sti_mem_request = 256; /* STI default */
417
cb6fc18e
HD		 418 glob_cfg = kzalloc(sizeof(*sti->glob_cfg), GFP_KERNEL);
419 glob_cfg_ext = kzalloc(sizeof(*glob_cfg_ext), GFP_KERNEL);
420 save_addr = kzalloc(save_addr_size, GFP_KERNEL);
421 sti_mem_addr = kzalloc(sti->sti_mem_request, GFP_KERNEL);
1da177e4
LT		 422
423 if (!(glob_cfg && glob_cfg_ext && save_addr && sti_mem_addr)) {
424 kfree(glob_cfg);
425 kfree(glob_cfg_ext);
426 kfree(save_addr);
427 kfree(sti_mem_addr);
428 return -ENOMEM;
429 }
430
1da177e4
LT		 431 glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext);
432 glob_cfg->save_addr = STI_PTR(save_addr);
433 for (i=0; i<8; i++) {
434 unsigned long newhpa, len;
435
436 if (sti->pd) {
437 unsigned char offs = sti->rm_entry[i];
438
439 if (offs == 0)
440 continue;
441 if (offs != PCI_ROM_ADDRESS &&
442 (offs < PCI_BASE_ADDRESS_0 ||
443 offs > PCI_BASE_ADDRESS_5)) {
444 printk (KERN_WARNING
445 "STI pci region maping for region %d (%02x) can't be mapped\n",
446 i,sti->rm_entry[i]);
447 continue;
448 }
449 newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4);
450 } else
451 newhpa = (i == 0) ? rom_address : hpa;
452
453 sti->regions_phys[i] =
454 REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa);
455
456 /* remap virtually */
457 /* FIXME: add BTLB support if btlb==1 */
458 len = sti->regions[i].region_desc.length * 4096;
459
460/* XXX: Enabling IOREMAP debugging causes a crash, so we must be passing
461 * a virtual address to something expecting a physical address that doesn't
462 * go through a readX macro */
463#if 0
464 if (len)
465 glob_cfg->region_ptrs[i] = (unsigned long) (
466 sti->regions[i].region_desc.cache ?
467 ioremap(sti->regions_phys[i], len) :
468 ioremap_nocache(sti->regions_phys[i], len) );
469#else
470 if (len)
471 glob_cfg->region_ptrs[i] = sti->regions_phys[i];
472#endif
473
474 DPRINTK(("region #%d: phys %08lx, virt %08x, len=%lukB, "
475 "btlb=%d, sysonly=%d, cache=%d, last=%d\n",
476 i, sti->regions_phys[i], glob_cfg->region_ptrs[i],
477 len/1024,
478 sti->regions[i].region_desc.btlb,
479 sti->regions[i].region_desc.sys_only,
480 sti->regions[i].region_desc.cache,
481 sti->regions[i].region_desc.last));
482
483 /* last entry reached ? */
484 if (sti->regions[i].region_desc.last)
485 break;
486 }
487
488 if (++i<8 && sti->regions[i].region)
489 printk(KERN_WARNING "%s: *future ptr (0x%8x) not yet supported !\n",
490 __FILE__, sti->regions[i].region);
491
492 glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr);
493
494 sti->glob_cfg = glob_cfg;
495
496 return 0;
497}
498
499#ifdef CONFIG_FB
500struct sti_cooked_font * __init
cb6fc18e 501sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name)
1da177e4 502{
cb6fc18e 503 const struct font_desc *fbfont;
1da177e4
LT		 504 unsigned int size, bpc;
505 void *dest;
506 struct sti_rom_font *nf;
507 struct sti_cooked_font *cooked_font;
508
509 if (!fbfont_name || !strlen(fbfont_name))
951a0150 510 return NULL;
1da177e4
LT		 511 fbfont = find_font(fbfont_name);
512 if (!fbfont)
951a0150 513 fbfont = get_default_font(1024,768);
1da177e4 514 if (!fbfont)
951a0150 515 return NULL;
1da177e4
LT		 516
517 DPRINTK((KERN_DEBUG "selected %dx%d fb-font %s\n",
518 fbfont->width, fbfont->height, fbfont->name));
519
520 bpc = ((fbfont->width+7)/8) * fbfont->height;
521 size = bpc * 256;
522 size += sizeof(struct sti_rom_font);
523
cb6fc18e 524 nf = kzalloc(size, GFP_KERNEL);
1da177e4 525 if (!nf)
951a0150 526 return NULL;
1da177e4
LT		 527
528 nf->first_char = 0;
529 nf->last_char = 255;
530 nf->width = fbfont->width;
531 nf->height = fbfont->height;
532 nf->font_type = STI_FONT_HPROMAN8;
533 nf->bytes_per_char = bpc;
534 nf->next_font = 0;
535 nf->underline_height = 1;
536 nf->underline_pos = fbfont->height - nf->underline_height;
537
538 dest = nf;
539 dest += sizeof(struct sti_rom_font);
540 memcpy(dest, fbfont->data, bpc*256);
541
cb6fc18e 542 cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL);
1da177e4 543 if (!cooked_font) {
951a0150
MW		 544 kfree(nf);
545 return NULL;
1da177e4
LT		 546 }
547
548 cooked_font->raw = nf;
549 cooked_font->next_font = NULL;
550
551 cooked_rom->font_start = cooked_font;
552
553 return cooked_font;
554}
555#else
556struct sti_cooked_font * __init
cb6fc18e 557sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name)
1da177e4
LT		 558{
559 return NULL;
560}
561#endif
562
563struct sti_cooked_font * __init
564sti_select_font(struct sti_cooked_rom *rom,
565 int (*search_font_fnc) (struct sti_cooked_rom *,int,int) )
566{
567 struct sti_cooked_font *font;
568 int i;
569 int index = num_sti_roms;
570
571 /* check for framebuffer-font first */
572 if ((font = sti_select_fbfont(rom, font_name[index])))
573 return font;
574
575 if (font_width[index] && font_height[index])
576 font_index[index] = search_font_fnc(rom,
577 font_height[index], font_width[index]);
578
579 for (font = rom->font_start, i = font_index[index];
580 font && (i > 0);
581 font = font->next_font, i--);
582
583 if (font)
584 return font;
585 else
586 return rom->font_start;
587}
588
589
590static void __init
591sti_dump_rom(struct sti_rom *rom)
592{
951a0150 593 printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n",
1da177e4
LT		 594 rom->graphics_id[0],
595 rom->graphics_id[1],
596 rom->revno[0] >> 4,
597 rom->revno[0] & 0x0f);
598 DPRINTK((" supports %d monitors\n", rom->num_mons));
599 DPRINTK((" font start %08x\n", rom->font_start));
600 DPRINTK((" region list %08x\n", rom->region_list));
601 DPRINTK((" init_graph %08x\n", rom->init_graph));
602 DPRINTK((" bus support %02x\n", rom->bus_support));
603 DPRINTK((" ext bus support %02x\n", rom->ext_bus_support));
604 DPRINTK((" alternate code type %d\n", rom->alt_code_type));
605}
606
607
608static int __init
609sti_cook_fonts(struct sti_cooked_rom *cooked_rom,
610 struct sti_rom *raw_rom)
611{
612 struct sti_rom_font *raw_font, *font_start;
613 struct sti_cooked_font *cooked_font;
614
cb6fc18e 615 cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL);
1da177e4
LT		 616 if (!cooked_font)
617 return 0;
618
619 cooked_rom->font_start = cooked_font;
620
621 raw_font = ((void *)raw_rom) + (raw_rom->font_start);
622
623 font_start = raw_font;
624 cooked_font->raw = raw_font;
625
626 while (raw_font->next_font) {
627 raw_font = ((void *)font_start) + (raw_font->next_font);
628
cb6fc18e 629 cooked_font->next_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL);
1da177e4
LT		 630 if (!cooked_font->next_font)
631 return 1;
632
633 cooked_font = cooked_font->next_font;
634
635 cooked_font->raw = raw_font;
636 }
637
638 cooked_font->next_font = NULL;
639 return 1;
640}
641
642
643static int __init
644sti_search_font(struct sti_cooked_rom *rom, int height, int width)
645{
646 struct sti_cooked_font *font;
647 int i = 0;
648
951a0150
MW		 649 for (font = rom->font_start; font; font = font->next_font, i++) {
650 if ((font->raw->width == width) &&
651 (font->raw->height == height))
1da177e4
LT		 652 return i;
653 }
654 return 0;
655}
656
951a0150
MW		 657#define BMODE_RELOCATE(offset) offset = (offset) / 4;
658#define BMODE_LAST_ADDR_OFFS 0x50
1da177e4
LT		 659
660static void * __init
661sti_bmode_font_raw(struct sti_cooked_font *f)
662{
663 unsigned char *n, *p, *q;
664 int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font);
665
cb6fc18e 666 n = kzalloc (4*size, GFP_KERNEL);
1da177e4
LT		 667 if (!n)
668 return NULL;
1da177e4
LT		 669 p = n + 3;
670 q = (unsigned char *)f->raw;
671 while (size--) {
672 *p = *q++;
673 p+=4;
674 }
675 return n + 3;
676}
677
678static void __init
679sti_bmode_rom_copy(unsigned long base, unsigned long count, void *dest)
680{
681 unsigned long dest_len = count;
682 unsigned long dest_start = (unsigned long) dest;
683
684 while (count) {
685 count--;
686 *(u8 *)dest = gsc_readl(base);
687 base += 4;
688 dest++;
689 }
690 sti_flush(dest_start, dest_len);
691}
692
693static struct sti_rom * __init
694sti_get_bmode_rom (unsigned long address)
695{
696 struct sti_rom *raw;
697 u32 size;
951a0150
MW		 698 struct sti_rom_font *raw_font, *font_start;
699
1da177e4 700 sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size);
951a0150
MW		 701
702 size = (size+3) / 4;
1da177e4
LT		 703 raw = kmalloc(size, GFP_KERNEL);
704 if (raw) {
951a0150
MW		 705 sti_bmode_rom_copy(address, size, raw);
706 memmove (&raw->res004, &raw->type[0], 0x3c);
707 raw->type[3] = raw->res004;
1da177e4 708
951a0150
MW		 709 BMODE_RELOCATE (raw->region_list);
710 BMODE_RELOCATE (raw->font_start);
1da177e4 711
951a0150
MW		 712 BMODE_RELOCATE (raw->init_graph);
713 BMODE_RELOCATE (raw->state_mgmt);
714 BMODE_RELOCATE (raw->font_unpmv);
715 BMODE_RELOCATE (raw->block_move);
716 BMODE_RELOCATE (raw->inq_conf);
1da177e4 717
951a0150
MW		 718 raw_font = ((void *)raw) + raw->font_start;
719 font_start = raw_font;
1da177e4 720
951a0150
MW		 721 while (raw_font->next_font) {
722 BMODE_RELOCATE (raw_font->next_font);
723 raw_font = ((void *)font_start) + raw_font->next_font;
724 }
1da177e4 725 }
951a0150 726 return raw;
1da177e4
LT		 727}
728
729struct sti_rom * __init
730sti_get_wmode_rom (unsigned long address)
731{
732 struct sti_rom *raw;
733 unsigned long size;
951a0150 734
1da177e4
LT		 735 /* read the ROM size directly from the struct in ROM */
736 size = gsc_readl(address + offsetof(struct sti_rom,last_addr));
737
738 raw = kmalloc(size, GFP_KERNEL);
951a0150
MW		 739 if (raw)
740 sti_rom_copy(address, size, raw);
1da177e4 741
951a0150 742 return raw;
1da177e4
LT		 743}
744
745int __init
746sti_read_rom(int wordmode, struct sti_struct *sti, unsigned long address)
747{
748 struct sti_cooked_rom *cooked;
749 struct sti_rom *raw = NULL;
750
751 cooked = kmalloc(sizeof *cooked, GFP_KERNEL);
752 if (!cooked)
753 goto out_err;
754
951a0150
MW		 755 if (wordmode)
756 raw = sti_get_wmode_rom (address);
757 else
758 raw = sti_get_bmode_rom (address);
759
760 if (!raw)
761 goto out_err;
1da177e4 762
1da177e4
LT		 763 if (!sti_cook_fonts(cooked, raw)) {
764 printk(KERN_ERR "No font found for STI at %08lx\n", address);
765 goto out_err;
766 }
767
768 if (raw->region_list)
769 memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions));
770
771 address = (unsigned long) STI_PTR(raw);
772
773 sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff);
774 sti->block_move = address + (raw->block_move & 0x03ffffff);
775 sti->init_graph = address + (raw->init_graph & 0x03ffffff);
776 sti->inq_conf = address + (raw->inq_conf & 0x03ffffff);
777
778 sti->rom = cooked;
779 sti->rom->raw = raw;
780
781 sti->font = sti_select_font(sti->rom, sti_search_font);
782 sti->font_width = sti->font->raw->width;
783 sti->font_height = sti->font->raw->height;
784 if (!wordmode)
951a0150 785 sti->font->raw = sti_bmode_font_raw(sti->font);
1da177e4
LT		 786
787 sti->sti_mem_request = raw->sti_mem_req;
788 sti->graphics_id[0] = raw->graphics_id[0];
789 sti->graphics_id[1] = raw->graphics_id[1];
790
791 sti_dump_rom(raw);
792
793 return 1;
794
795out_err:
796 kfree(raw);
797 kfree(cooked);
798 return 0;
799}
800
801static struct sti_struct * __init
802sti_try_rom_generic(unsigned long address, unsigned long hpa, struct pci_dev *pd)
803{
804 struct sti_struct *sti;
805 int ok;
806 u32 sig;
807
808 if (num_sti_roms >= MAX_STI_ROMS) {
951a0150
MW		 809 printk(KERN_WARNING "maximum number of STI ROMS reached !\n");
810 return NULL;
1da177e4
LT		 811 }
812
cb6fc18e 813 sti = kzalloc(sizeof(*sti), GFP_KERNEL);
1da177e4 814 if (!sti) {
951a0150
MW		 815 printk(KERN_ERR "Not enough memory !\n");
816 return NULL;
1da177e4 817 }
951a0150 818
1da177e4
LT		 819 spin_lock_init(&sti->lock);
820
821test_rom:
822 /* if we can't read the ROM, bail out early. Not being able
823 * to read the hpa is okay, for romless sti */
824 if (pdc_add_valid(address))
825 goto out_err;
826
827 sig = gsc_readl(address);
828
829 /* check for a PCI ROM structure */
830 if ((le32_to_cpu(sig)==0xaa55)) {
831 unsigned int i, rm_offset;
832 u32 *rm;
833 i = gsc_readl(address+0x04);
834 if (i != 1) {
835 /* The ROM could have multiple architecture
836 * dependent images (e.g. i386, parisc,...) */
837 printk(KERN_WARNING
838 "PCI ROM is not a STI ROM type image (0x%8x)\n", i);
839 goto out_err;
840 }
841
842 sti->pd = pd;
843
844 i = gsc_readl(address+0x0c);
845 DPRINTK(("PCI ROM size (from header) = %d kB\n",
846 le16_to_cpu(i>>16)*512/1024));
847 rm_offset = le16_to_cpu(i & 0xffff);
848 if (rm_offset) {
849 /* read 16 bytes from the pci region mapper array */
850 rm = (u32*) &sti->rm_entry;
851 *rm++ = gsc_readl(address+rm_offset+0x00);
852 *rm++ = gsc_readl(address+rm_offset+0x04);
853 *rm++ = gsc_readl(address+rm_offset+0x08);
854 *rm++ = gsc_readl(address+rm_offset+0x0c);
855 DPRINTK(("PCI region Mapper offset = %08x: ",
856 rm_offset));
857 for (i=0; i<16; i++)
858 DPRINTK(("%02x ", sti->rm_entry[i]));
859 DPRINTK(("\n"));
860 }
861
862 address += le32_to_cpu(gsc_readl(address+8));
863 DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address));
864 goto test_rom;
865 }
866
867 ok = 0;
868
869 if ((sig & 0xff) == 0x01) {
870 DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n",
871 address, hpa));
872 ok = sti_read_rom(0, sti, address);
873 }
874
875 if ((sig & 0xffff) == 0x0303) {
876 DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n",
877 address, hpa));
878 ok = sti_read_rom(1, sti, address);
879 }
880
881 if (!ok)
882 goto out_err;
883
884 if (sti_init_glob_cfg(sti, address, hpa))
885 goto out_err; /* not enough memory */
886
887 /* disable STI PCI ROM. ROM and card RAM overlap and
888 * leaving it enabled would force HPMCs
889 */
890 if (sti->pd) {
891 unsigned long rom_base;
892 rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE);
893 pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE);
894 DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n"));
895 }
896
897 if (sti_init_graph(sti))
898 goto out_err;
899
900 sti_inq_conf(sti);
901 sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request);
902 sti_dump_outptr(sti);
903
904 printk(KERN_INFO " graphics card name: %s\n", sti->outptr.dev_name );
905
906 sti_roms[num_sti_roms] = sti;
907 num_sti_roms++;
908
909 return sti;
910
911out_err:
912 kfree(sti);
913 return NULL;
914}
915
916static void __init sticore_check_for_default_sti(struct sti_struct *sti, char *path)
917{
918 if (strcmp (path, default_sti_path) == 0)
919 default_sti = sti;
920}
921
922/*
923 * on newer systems PDC gives the address of the ROM
924 * in the additional address field addr[1] while on
925 * older Systems the PDC stores it in page0->proc_sti
926 */
927static int __init sticore_pa_init(struct parisc_device *dev)
928{
1da177e4
LT		 929 char pa_path[21];
930 struct sti_struct *sti = NULL;
951a0150
MW		 931 int hpa = dev->hpa.start;
932
933 if (dev->num_addrs && dev->addr[0])
934 sti = sti_try_rom_generic(dev->addr[0], hpa, NULL);
935 if (!sti)
936 sti = sti_try_rom_generic(hpa, hpa, NULL);
937 if (!sti)
938 sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL);
1da177e4
LT		 939 if (!sti)
940 return 1;
951a0150 941
1da177e4 942 print_pa_hwpath(dev, pa_path);
951a0150 943 sticore_check_for_default_sti(sti, pa_path);
1da177e4
LT		 944 return 0;
945}
946
947
948static int __devinit sticore_pci_init(struct pci_dev *pd,
949 const struct pci_device_id *ent)
950{
951#ifdef CONFIG_PCI
952 unsigned long fb_base, rom_base;
953 unsigned int fb_len, rom_len;
954 struct sti_struct *sti;
955
956 pci_enable_device(pd);
957
958 fb_base = pci_resource_start(pd, 0);
959 fb_len = pci_resource_len(pd, 0);
960 rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE);
961 rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE);
962 if (rom_base) {
963 pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE);
964 DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base));
965 }
966
967 printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n",
968 rom_base, rom_len/1024, fb_base, fb_len/1024/1024);
969
970 DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n",
971 rom_base, fb_base));
972
973 sti = sti_try_rom_generic(rom_base, fb_base, pd);
974 if (sti) {
975 char pa_path[30];
976 print_pci_hwpath(pd, pa_path);
977 sticore_check_for_default_sti(sti, pa_path);
978 }
979
980 if (!sti) {
981 printk(KERN_WARNING "Unable to handle STI device '%s'\n",
982 pci_name(pd));
983 return -ENODEV;
984 }
985#endif /* CONFIG_PCI */
986
987 return 0;
988}
989
990
991static void __devexit sticore_pci_remove(struct pci_dev *pd)
992{
993 BUG();
994}
995
996
997static struct pci_device_id sti_pci_tbl[] = {
998 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) },
999 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) },
1000 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) },
1001 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) },
1002 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) },
1003 { 0, } /* terminate list */
1004};
1005MODULE_DEVICE_TABLE(pci, sti_pci_tbl);
1006
1007static struct pci_driver pci_sti_driver = {
1008 .name = "sti",
1009 .id_table = sti_pci_tbl,
1010 .probe = sticore_pci_init,
1011 .remove = sticore_pci_remove,
1012};
1013
1014static struct parisc_device_id sti_pa_tbl[] = {
1015 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 },
1016 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 },
1017 { 0, }
1018};
1019
1020static struct parisc_driver pa_sti_driver = {
1021 .name = "sti",
1022 .id_table = sti_pa_tbl,
1023 .probe = sticore_pa_init,
1024};
1025
1026
1027/*
1028 * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[]
1029 */
1030
cb6fc18e 1031static int sticore_initialized __read_mostly;
1da177e4
LT		 1032
1033static void __init sti_init_roms(void)
1034{
1035 if (sticore_initialized)
1036 return;
1037
1038 sticore_initialized = 1;
1039
1040 printk(KERN_INFO "STI GSC/PCI core graphics driver "
1041 STI_DRIVERVERSION "\n");
1042
1043 /* Register drivers for native & PCI cards */
1044 register_parisc_driver(&pa_sti_driver);
1045 pci_register_driver(&pci_sti_driver);
1046
1047 /* if we didn't find the given default sti, take the first one */
1048 if (!default_sti)
1049 default_sti = sti_roms[0];
1050
1051}
1052
1053/*
1054 * index = 0 gives default sti
1055 * index > 0 gives other stis in detection order
1056 */
1057struct sti_struct * sti_get_rom(unsigned int index)
1058{
1059 if (!sticore_initialized)
1060 sti_init_roms();
1061
1062 if (index == 0)
1063 return default_sti;
1064
1065 if (index > num_sti_roms)
1066 return NULL;
1067
1068 return sti_roms[index-1];
1069}
1070EXPORT_SYMBOL(sti_get_rom);
1071
1072MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer");
1073MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines");
1074MODULE_LICENSE("GPL v2");
1075
Linux kernel - Deliverables
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