2 * linux/drivers/video/console/sticore.c -
3 * core code for console driver using HP's STI firmware
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>
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 ;)
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>
24 #include <asm/hardware.h>
25 #include <asm/parisc-device.h>
26 #include <asm/cacheflush.h>
27 #include <asm/grfioctl.h>
29 #include "../sticore.h"
31 #define STI_DRIVERVERSION "Version 0.9a"
33 static struct sti_struct *default_sti __read_mostly;
35 /* number of STI ROMS found and their ptrs to each struct */
36 static int num_sti_roms __read_mostly;
37 static struct sti_struct *sti_roms[MAX_STI_ROMS] __read_mostly;
40 /* The colour indices used by STI are
50 * So we have the same colours as VGA (basically one bit each for R, G, B),
51 * but have to translate them, anyway. */
53 static const u8 col_trans[8] = {
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)
62 static const struct sti_init_flags default_init_flags = {
72 static int sti_init_graph(struct sti_struct *sti)
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)
79 struct sti_init_outptr outptr = { 0, };
83 spin_lock_irqsave(&sti->lock, flags);
85 ret = STI_CALL(sti->init_graph, &default_init_flags, &inptr,
86 &outptr, sti->glob_cfg);
88 spin_unlock_irqrestore(&sti->lock, flags);
91 printk(KERN_ERR "STI init_graph failed (ret %d, errno %d)\n",ret,outptr.errno);
95 sti->text_planes = outptr.text_planes;
99 static const struct sti_conf_flags default_conf_flags = {
103 static void sti_inq_conf(struct sti_struct *sti)
105 struct sti_conf_inptr inptr = { 0, };
109 sti->outptr.ext_ptr = STI_PTR(&sti->outptr_ext);
112 spin_lock_irqsave(&sti->lock, flags);
113 ret = STI_CALL(sti->inq_conf, &default_conf_flags,
114 &inptr, &sti->outptr, sti->glob_cfg);
115 spin_unlock_irqrestore(&sti->lock, flags);
119 static const struct sti_font_flags default_font_flags = {
125 sti_putc(struct sti_struct *sti, int c, int y, int x)
127 struct sti_font_inptr inptr = {
128 .font_start_addr= STI_PTR(sti->font->raw),
129 .index = c_index(sti, c),
130 .fg_color = c_fg(sti, c),
131 .bg_color = c_bg(sti, c),
132 .dest_x = x * sti->font_width,
133 .dest_y = y * sti->font_height,
135 struct sti_font_outptr outptr = { 0, };
140 spin_lock_irqsave(&sti->lock, flags);
141 ret = STI_CALL(sti->font_unpmv, &default_font_flags,
142 &inptr, &outptr, sti->glob_cfg);
143 spin_unlock_irqrestore(&sti->lock, flags);
147 static const struct sti_blkmv_flags clear_blkmv_flags = {
154 sti_set(struct sti_struct *sti, int src_y, int src_x,
155 int height, int width, u8 color)
157 struct sti_blkmv_inptr inptr = {
167 struct sti_blkmv_outptr outptr = { 0, };
172 spin_lock_irqsave(&sti->lock, flags);
173 ret = STI_CALL(sti->block_move, &clear_blkmv_flags,
174 &inptr, &outptr, sti->glob_cfg);
175 spin_unlock_irqrestore(&sti->lock, flags);
180 sti_clear(struct sti_struct *sti, int src_y, int src_x,
181 int height, int width, int c)
183 struct sti_blkmv_inptr inptr = {
184 .fg_color = c_fg(sti, c),
185 .bg_color = c_bg(sti, c),
186 .src_x = src_x * sti->font_width,
187 .src_y = src_y * sti->font_height,
188 .dest_x = src_x * sti->font_width,
189 .dest_y = src_y * sti->font_height,
190 .width = width * sti->font_width,
191 .height = height* sti->font_height,
193 struct sti_blkmv_outptr outptr = { 0, };
198 spin_lock_irqsave(&sti->lock, flags);
199 ret = STI_CALL(sti->block_move, &clear_blkmv_flags,
200 &inptr, &outptr, sti->glob_cfg);
201 spin_unlock_irqrestore(&sti->lock, flags);
205 static const struct sti_blkmv_flags default_blkmv_flags = {
210 sti_bmove(struct sti_struct *sti, int src_y, int src_x,
211 int dst_y, int dst_x, int height, int width)
213 struct sti_blkmv_inptr inptr = {
214 .src_x = src_x * sti->font_width,
215 .src_y = src_y * sti->font_height,
216 .dest_x = dst_x * sti->font_width,
217 .dest_y = dst_y * sti->font_height,
218 .width = width * sti->font_width,
219 .height = height* sti->font_height,
221 struct sti_blkmv_outptr outptr = { 0, };
226 spin_lock_irqsave(&sti->lock, flags);
227 ret = STI_CALL(sti->block_move, &default_blkmv_flags,
228 &inptr, &outptr, sti->glob_cfg);
229 spin_unlock_irqrestore(&sti->lock, flags);
234 static void sti_flush(unsigned long start, unsigned long end)
236 flush_icache_range(start, end);
239 static void __devinit sti_rom_copy(unsigned long base, unsigned long count,
242 unsigned long dest_start = (unsigned long) dest;
244 /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */
247 *(u32 *)dest = gsc_readl(base);
253 *(u8 *)dest = gsc_readb(base);
258 sti_flush(dest_start, (unsigned long)dest);
264 static char default_sti_path[21] __read_mostly;
267 static int __devinit sti_setup(char *str)
270 strlcpy (default_sti_path, str, sizeof (default_sti_path));
275 /* Assuming the machine has multiple STI consoles (=graphic cards) which
276 * all get detected by sticon, the user may define with the linux kernel
277 * parameter sti=<x> which of them will be the initial boot-console.
278 * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default
281 __setup("sti=", sti_setup);
286 static char __devinitdata *font_name[MAX_STI_ROMS] = { "VGA8x16", };
287 static int __devinitdata font_index[MAX_STI_ROMS],
288 font_height[MAX_STI_ROMS],
289 font_width[MAX_STI_ROMS];
291 static int __devinit sti_font_setup(char *str)
296 /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20
297 * or sti_font=7 style command lines. */
299 while (i<MAX_STI_ROMS && str && *str) {
300 if (*str>='0' && *str<='9') {
301 if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) {
302 font_height[i] = simple_strtoul(str, NULL, 0);
303 font_width[i] = simple_strtoul(x+1, NULL, 0);
305 font_index[i] = simple_strtoul(str, NULL, 0);
308 font_name[i] = str; /* fb font name */
311 if ((x = strchr(str, ',')))
321 /* The optional linux kernel parameter "sti_font" defines which font
322 * should be used by the sticon driver to draw characters to the screen.
323 * Possible values are:
324 * - sti_font=<fb_fontname>:
325 * <fb_fontname> is the name of one of the linux-kernel built-in
326 * framebuffer font names (e.g. VGA8x16, SUN22x18).
327 * This is only available if the fonts have been statically compiled
328 * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options.
329 * - sti_font=<number>
330 * most STI ROMs have built-in HP specific fonts, which can be selected
331 * by giving the desired number to the sticon driver.
332 * NOTE: This number is machine and STI ROM dependend.
333 * - sti_font=<height>x<width> (e.g. sti_font=16x8)
334 * <height> and <width> gives hints to the height and width of the
335 * font which the user wants. The sticon driver will try to use
336 * a font with this height and width, but if no suitable font is
337 * found, sticon will use the default 8x8 font.
339 __setup("sti_font=", sti_font_setup);
344 static void __devinit
345 sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request)
347 struct sti_glob_cfg_ext *cfg;
351 "%4d x %4d screen resolution\n"
352 "%4d x %4d offscreen\n"
354 "regions at %08x %08x %08x %08x\n"
355 "regions at %08x %08x %08x %08x\n"
358 glob_cfg->text_planes,
359 glob_cfg->onscreen_x, glob_cfg->onscreen_y,
360 glob_cfg->offscreen_x, glob_cfg->offscreen_y,
361 glob_cfg->total_x, glob_cfg->total_y,
362 glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1],
363 glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3],
364 glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5],
365 glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7],
367 glob_cfg->save_addr));
369 /* dump extended cfg */
370 cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr);
373 "in friendly mode: %d\n"
374 "power consumption %d watts\n"
376 "sti_mem_addr %08x (size=%d bytes)\n",
381 cfg->sti_mem_addr, sti_mem_request));
384 static void __devinit
385 sti_dump_outptr(struct sti_struct *sti)
388 "%d bits per pixel\n"
392 sti->outptr.bits_per_pixel,
393 sti->outptr.bits_used,
395 sti->outptr.attributes));
399 sti_init_glob_cfg(struct sti_struct *sti,
400 unsigned long rom_address, unsigned long hpa)
402 struct sti_glob_cfg *glob_cfg;
403 struct sti_glob_cfg_ext *glob_cfg_ext;
406 const int save_addr_size = 1024; /* XXX */
409 if (!sti->sti_mem_request)
410 sti->sti_mem_request = 256; /* STI default */
412 glob_cfg = kzalloc(sizeof(*sti->glob_cfg), GFP_KERNEL);
413 glob_cfg_ext = kzalloc(sizeof(*glob_cfg_ext), GFP_KERNEL);
414 save_addr = kzalloc(save_addr_size, GFP_KERNEL);
415 sti_mem_addr = kzalloc(sti->sti_mem_request, GFP_KERNEL);
417 if (!(glob_cfg && glob_cfg_ext && save_addr && sti_mem_addr)) {
425 glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext);
426 glob_cfg->save_addr = STI_PTR(save_addr);
427 for (i=0; i<8; i++) {
428 unsigned long newhpa, len;
431 unsigned char offs = sti->rm_entry[i];
435 if (offs != PCI_ROM_ADDRESS &&
436 (offs < PCI_BASE_ADDRESS_0 ||
437 offs > PCI_BASE_ADDRESS_5)) {
439 "STI pci region maping for region %d (%02x) can't be mapped\n",
443 newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4);
445 newhpa = (i == 0) ? rom_address : hpa;
447 sti->regions_phys[i] =
448 REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa);
450 len = sti->regions[i].region_desc.length * 4096;
452 glob_cfg->region_ptrs[i] = sti->regions_phys[i];
454 DPRINTK(("region #%d: phys %08lx, region_ptr %08x, len=%lukB, "
455 "btlb=%d, sysonly=%d, cache=%d, last=%d\n",
456 i, sti->regions_phys[i], glob_cfg->region_ptrs[i],
458 sti->regions[i].region_desc.btlb,
459 sti->regions[i].region_desc.sys_only,
460 sti->regions[i].region_desc.cache,
461 sti->regions[i].region_desc.last));
463 /* last entry reached ? */
464 if (sti->regions[i].region_desc.last)
468 if (++i<8 && sti->regions[i].region)
469 printk(KERN_WARNING "%s: *future ptr (0x%8x) not yet supported !\n",
470 __FILE__, sti->regions[i].region);
472 glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr);
474 sti->glob_cfg = glob_cfg;
480 static struct sti_cooked_font __devinit
481 *sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name)
483 const struct font_desc *fbfont;
484 unsigned int size, bpc;
486 struct sti_rom_font *nf;
487 struct sti_cooked_font *cooked_font;
489 if (!fbfont_name || !strlen(fbfont_name))
491 fbfont = find_font(fbfont_name);
493 fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0);
497 DPRINTK((KERN_DEBUG "selected %dx%d fb-font %s\n",
498 fbfont->width, fbfont->height, fbfont->name));
500 bpc = ((fbfont->width+7)/8) * fbfont->height;
502 size += sizeof(struct sti_rom_font);
504 nf = kzalloc(size, GFP_KERNEL);
510 nf->width = fbfont->width;
511 nf->height = fbfont->height;
512 nf->font_type = STI_FONT_HPROMAN8;
513 nf->bytes_per_char = bpc;
515 nf->underline_height = 1;
516 nf->underline_pos = fbfont->height - nf->underline_height;
519 dest += sizeof(struct sti_rom_font);
520 memcpy(dest, fbfont->data, bpc*256);
522 cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL);
528 cooked_font->raw = nf;
529 cooked_font->next_font = NULL;
531 cooked_rom->font_start = cooked_font;
536 static struct sti_cooked_font __devinit
537 *sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name)
543 static struct sti_cooked_font __devinit
544 *sti_select_font(struct sti_cooked_rom *rom,
545 int (*search_font_fnc)(struct sti_cooked_rom *, int, int))
547 struct sti_cooked_font *font;
549 int index = num_sti_roms;
551 /* check for framebuffer-font first */
552 if ((font = sti_select_fbfont(rom, font_name[index])))
555 if (font_width[index] && font_height[index])
556 font_index[index] = search_font_fnc(rom,
557 font_height[index], font_width[index]);
559 for (font = rom->font_start, i = font_index[index];
561 font = font->next_font, i--);
566 return rom->font_start;
570 static void __devinit
571 sti_dump_rom(struct sti_rom *rom)
573 printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n",
577 rom->revno[0] & 0x0f);
578 DPRINTK((" supports %d monitors\n", rom->num_mons));
579 DPRINTK((" font start %08x\n", rom->font_start));
580 DPRINTK((" region list %08x\n", rom->region_list));
581 DPRINTK((" init_graph %08x\n", rom->init_graph));
582 DPRINTK((" bus support %02x\n", rom->bus_support));
583 DPRINTK((" ext bus support %02x\n", rom->ext_bus_support));
584 DPRINTK((" alternate code type %d\n", rom->alt_code_type));
589 sti_cook_fonts(struct sti_cooked_rom *cooked_rom,
590 struct sti_rom *raw_rom)
592 struct sti_rom_font *raw_font, *font_start;
593 struct sti_cooked_font *cooked_font;
595 cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL);
599 cooked_rom->font_start = cooked_font;
601 raw_font = ((void *)raw_rom) + (raw_rom->font_start);
603 font_start = raw_font;
604 cooked_font->raw = raw_font;
606 while (raw_font->next_font) {
607 raw_font = ((void *)font_start) + (raw_font->next_font);
609 cooked_font->next_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL);
610 if (!cooked_font->next_font)
613 cooked_font = cooked_font->next_font;
615 cooked_font->raw = raw_font;
618 cooked_font->next_font = NULL;
624 sti_search_font(struct sti_cooked_rom *rom, int height, int width)
626 struct sti_cooked_font *font;
629 for (font = rom->font_start; font; font = font->next_font, i++) {
630 if ((font->raw->width == width) &&
631 (font->raw->height == height))
637 #define BMODE_RELOCATE(offset) offset = (offset) / 4;
638 #define BMODE_LAST_ADDR_OFFS 0x50
640 static void * __devinit
641 sti_bmode_font_raw(struct sti_cooked_font *f)
643 unsigned char *n, *p, *q;
644 int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font);
646 n = kzalloc (4*size, GFP_KERNEL);
650 q = (unsigned char *)f->raw;
658 static void __devinit
659 sti_bmode_rom_copy(unsigned long base, unsigned long count, void *dest)
661 unsigned long dest_start = (unsigned long) dest;
665 *(u8 *)dest = gsc_readl(base);
670 sti_flush(dest_start, (unsigned long)dest);
673 static struct sti_rom * __devinit
674 sti_get_bmode_rom (unsigned long address)
678 struct sti_rom_font *raw_font, *font_start;
680 sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size);
683 raw = kmalloc(size, GFP_KERNEL);
685 sti_bmode_rom_copy(address, size, raw);
686 memmove (&raw->res004, &raw->type[0], 0x3c);
687 raw->type[3] = raw->res004;
689 BMODE_RELOCATE (raw->region_list);
690 BMODE_RELOCATE (raw->font_start);
692 BMODE_RELOCATE (raw->init_graph);
693 BMODE_RELOCATE (raw->state_mgmt);
694 BMODE_RELOCATE (raw->font_unpmv);
695 BMODE_RELOCATE (raw->block_move);
696 BMODE_RELOCATE (raw->inq_conf);
698 raw_font = ((void *)raw) + raw->font_start;
699 font_start = raw_font;
701 while (raw_font->next_font) {
702 BMODE_RELOCATE (raw_font->next_font);
703 raw_font = ((void *)font_start) + raw_font->next_font;
709 static struct sti_rom __devinit *sti_get_wmode_rom(unsigned long address)
714 /* read the ROM size directly from the struct in ROM */
715 size = gsc_readl(address + offsetof(struct sti_rom,last_addr));
717 raw = kmalloc(size, GFP_KERNEL);
719 sti_rom_copy(address, size, raw);
724 static int __devinit sti_read_rom(int wordmode, struct sti_struct *sti,
725 unsigned long address)
727 struct sti_cooked_rom *cooked;
728 struct sti_rom *raw = NULL;
731 cooked = kmalloc(sizeof *cooked, GFP_KERNEL);
736 raw = sti_get_wmode_rom (address);
738 raw = sti_get_bmode_rom (address);
743 if (!sti_cook_fonts(cooked, raw)) {
744 printk(KERN_ERR "No font found for STI at %08lx\n", address);
748 if (raw->region_list)
749 memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions));
751 address = (unsigned long) STI_PTR(raw);
753 sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff);
754 sti->block_move = address + (raw->block_move & 0x03ffffff);
755 sti->init_graph = address + (raw->init_graph & 0x03ffffff);
756 sti->inq_conf = address + (raw->inq_conf & 0x03ffffff);
761 sti->font = sti_select_font(sti->rom, sti_search_font);
762 sti->font_width = sti->font->raw->width;
763 sti->font_height = sti->font->raw->height;
765 sti->font->raw = sti_bmode_font_raw(sti->font);
767 sti->sti_mem_request = raw->sti_mem_req;
768 sti->graphics_id[0] = raw->graphics_id[0];
769 sti->graphics_id[1] = raw->graphics_id[1];
773 /* check if the ROM routines in this card are compatible */
774 if (wordmode || sti->graphics_id[1] != 0x09A02587)
777 revno = (raw->revno[0] << 8) | raw->revno[1];
779 switch (sti->graphics_id[0]) {
781 /* HyperA or HyperB ? */
782 if (revno == 0x8408 || revno == 0x840b)
783 goto msg_not_supported;
787 goto msg_not_supported;
789 case CRT_ID_THUNDER2:
791 goto msg_not_supported;
797 printk(KERN_ERR "Sorry, this GSC/STI card is not yet supported.\n");
798 printk(KERN_ERR "Please see http://parisc-linux.org/faq/"
799 "graphics-howto.html for more info.\n");
807 static struct sti_struct * __devinit
808 sti_try_rom_generic(unsigned long address, unsigned long hpa, struct pci_dev *pd)
810 struct sti_struct *sti;
814 if (num_sti_roms >= MAX_STI_ROMS) {
815 printk(KERN_WARNING "maximum number of STI ROMS reached !\n");
819 sti = kzalloc(sizeof(*sti), GFP_KERNEL);
821 printk(KERN_ERR "Not enough memory !\n");
825 spin_lock_init(&sti->lock);
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))
833 sig = gsc_readl(address);
835 /* check for a PCI ROM structure */
836 if ((le32_to_cpu(sig)==0xaa55)) {
837 unsigned int i, rm_offset;
839 i = gsc_readl(address+0x04);
841 /* The ROM could have multiple architecture
842 * dependent images (e.g. i386, parisc,...) */
844 "PCI ROM is not a STI ROM type image (0x%8x)\n", i);
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);
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: ",
864 DPRINTK(("%02x ", sti->rm_entry[i]));
868 address += le32_to_cpu(gsc_readl(address+8));
869 DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address));
875 if ((sig & 0xff) == 0x01) {
876 DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n",
878 ok = sti_read_rom(0, sti, address);
881 if ((sig & 0xffff) == 0x0303) {
882 DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n",
884 ok = sti_read_rom(1, sti, address);
890 if (sti_init_glob_cfg(sti, address, hpa))
891 goto out_err; /* not enough memory */
893 /* disable STI PCI ROM. ROM and card RAM overlap and
894 * leaving it enabled would force HPMCs
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"));
903 if (sti_init_graph(sti))
907 sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request);
908 sti_dump_outptr(sti);
910 printk(KERN_INFO " graphics card name: %s\n", sti->outptr.dev_name );
912 sti_roms[num_sti_roms] = sti;
922 static void __devinit sticore_check_for_default_sti(struct sti_struct *sti, char *path)
924 if (strcmp (path, default_sti_path) == 0)
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
933 static int __devinit sticore_pa_init(struct parisc_device *dev)
936 struct sti_struct *sti = NULL;
937 int hpa = dev->hpa.start;
939 if (dev->num_addrs && dev->addr[0])
940 sti = sti_try_rom_generic(dev->addr[0], hpa, NULL);
942 sti = sti_try_rom_generic(hpa, hpa, NULL);
944 sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL);
948 print_pa_hwpath(dev, pa_path);
949 sticore_check_for_default_sti(sti, pa_path);
954 static int __devinit sticore_pci_init(struct pci_dev *pd,
955 const struct pci_device_id *ent)
958 unsigned long fb_base, rom_base;
959 unsigned int fb_len, rom_len;
960 struct sti_struct *sti;
962 pci_enable_device(pd);
964 fb_base = pci_resource_start(pd, 0);
965 fb_len = pci_resource_len(pd, 0);
966 rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE);
967 rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE);
969 pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE);
970 DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base));
973 printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n",
974 rom_base, rom_len/1024, fb_base, fb_len/1024/1024);
976 DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n",
979 sti = sti_try_rom_generic(rom_base, fb_base, pd);
982 print_pci_hwpath(pd, pa_path);
983 sticore_check_for_default_sti(sti, pa_path);
987 printk(KERN_WARNING "Unable to handle STI device '%s'\n",
991 #endif /* CONFIG_PCI */
997 static void __devexit sticore_pci_remove(struct pci_dev *pd)
1003 static struct pci_device_id sti_pci_tbl[] = {
1004 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) },
1005 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) },
1006 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) },
1007 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) },
1008 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) },
1009 { 0, } /* terminate list */
1011 MODULE_DEVICE_TABLE(pci, sti_pci_tbl);
1013 static struct pci_driver pci_sti_driver = {
1015 .id_table = sti_pci_tbl,
1016 .probe = sticore_pci_init,
1017 .remove = sticore_pci_remove,
1020 static struct parisc_device_id sti_pa_tbl[] = {
1021 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 },
1022 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 },
1026 static struct parisc_driver pa_sti_driver = {
1028 .id_table = sti_pa_tbl,
1029 .probe = sticore_pa_init,
1034 * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[]
1037 static int sticore_initialized __read_mostly;
1039 static void __devinit sti_init_roms(void)
1041 if (sticore_initialized)
1044 sticore_initialized = 1;
1046 printk(KERN_INFO "STI GSC/PCI core graphics driver "
1047 STI_DRIVERVERSION "\n");
1049 /* Register drivers for native & PCI cards */
1050 register_parisc_driver(&pa_sti_driver);
1051 pci_register_driver(&pci_sti_driver);
1053 /* if we didn't find the given default sti, take the first one */
1055 default_sti = sti_roms[0];
1060 * index = 0 gives default sti
1061 * index > 0 gives other stis in detection order
1063 struct sti_struct * sti_get_rom(unsigned int index)
1065 if (!sticore_initialized)
1071 if (index > num_sti_roms)
1074 return sti_roms[index-1];
1076 EXPORT_SYMBOL(sti_get_rom);
1078 MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer");
1079 MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines");
1080 MODULE_LICENSE("GPL v2");