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/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>
25 #include <asm/hardware.h>
26 #include <asm/parisc-device.h>
27 #include <asm/cacheflush.h>
29 #include "../sticore.h"
31 #define STI_DRIVERVERSION "Version 0.9a"
33 struct sti_struct *default_sti;
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 */
39 /* The colour indices used by STI are
49 * So we have the same colours as VGA (basically one bit each for R, G, B),
50 * but have to translate them, anyway. */
52 static const u8 col_trans[8] = {
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)
61 static const struct sti_init_flags default_init_flags = {
72 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 = {
104 sti_inq_conf(struct sti_struct *sti)
106 struct sti_conf_inptr inptr = { 0, };
110 sti->outptr.ext_ptr = STI_PTR(&sti->outptr_ext);
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);
120 static const struct sti_font_flags default_font_flags = {
126 sti_putc(struct sti_struct *sti, int c, int y, int x)
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,
136 struct sti_font_outptr outptr = { 0, };
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);
148 static const struct sti_blkmv_flags clear_blkmv_flags = {
155 sti_set(struct sti_struct *sti, int src_y, int src_x,
156 int height, int width, u8 color)
158 struct sti_blkmv_inptr inptr = {
168 struct sti_blkmv_outptr outptr = { 0, };
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);
181 sti_clear(struct sti_struct *sti, int src_y, int src_x,
182 int height, int width, int c)
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,
194 struct sti_blkmv_outptr outptr = { 0, };
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);
206 static const struct sti_blkmv_flags default_blkmv_flags = {
211 sti_bmove(struct sti_struct *sti, int src_y, int src_x,
212 int dst_y, int dst_x, int height, int width)
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,
222 struct sti_blkmv_outptr outptr = { 0, };
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);
235 /* FIXME: Do we have another solution for this ? */
236 static void sti_flush(unsigned long from, unsigned long len)
239 flush_kernel_dcache_range(from, len);
240 flush_icache_range(from, from+len);
244 sti_rom_copy(unsigned long base, unsigned long count, void *dest)
246 unsigned long dest_len = count;
247 unsigned long dest_start = (unsigned long) dest;
249 /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */
252 *(u32 *)dest = gsc_readl(base);
258 *(u8 *)dest = gsc_readb(base);
263 sti_flush(dest_start, dest_len);
269 static char default_sti_path[21];
272 static int __init sti_setup(char *str)
275 strlcpy (default_sti_path, str, sizeof (default_sti_path));
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
286 __setup("sti=", sti_setup);
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];
296 static int __init sti_font_setup(char *str)
301 /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20
302 * or sti_font=7 style command lines. */
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);
310 font_index[i] = simple_strtoul(str, NULL, 0);
313 font_name[i] = str; /* fb font name */
316 if ((x = strchr(str, ',')))
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.
344 __setup("sti_font=", sti_font_setup);
350 sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request)
352 struct sti_glob_cfg_ext *cfg;
356 "%4d x %4d screen resolution\n"
357 "%4d x %4d offscreen\n"
359 "regions at %08x %08x %08x %08x\n"
360 "regions at %08x %08x %08x %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],
372 glob_cfg->save_addr));
374 /* dump extended cfg */
375 cfg = PTR_STI(glob_cfg->ext_ptr);
378 "in friendly mode: %d\n"
379 "power consumption %d watts\n"
381 "sti_mem_addr %08x (size=%d bytes)\n",
386 cfg->sti_mem_addr, sti_mem_request));
390 sti_dump_outptr(struct sti_struct *sti)
393 "%d bits per pixel\n"
397 sti->outptr.bits_per_pixel,
398 sti->outptr.bits_used,
400 sti->outptr.attributes));
404 sti_init_glob_cfg(struct sti_struct *sti,
405 unsigned long rom_address, unsigned long hpa)
407 struct sti_glob_cfg *glob_cfg;
408 struct sti_glob_cfg_ext *glob_cfg_ext;
411 const int save_addr_size = 1024; /* XXX */
414 if (!sti->sti_mem_request)
415 sti->sti_mem_request = 256; /* STI default */
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);
422 if (!(glob_cfg && glob_cfg_ext && save_addr && sti_mem_addr)) {
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);
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;
441 unsigned char offs = sti->rm_entry[i];
445 if (offs != PCI_ROM_ADDRESS &&
446 (offs < PCI_BASE_ADDRESS_0 ||
447 offs > PCI_BASE_ADDRESS_5)) {
449 "STI pci region maping for region %d (%02x) can't be mapped\n",
453 newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4);
455 newhpa = (i == 0) ? rom_address : hpa;
457 sti->regions_phys[i] =
458 REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa);
460 /* remap virtually */
461 /* FIXME: add BTLB support if btlb==1 */
462 len = sti->regions[i].region_desc.length * 4096;
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 */
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) );
475 glob_cfg->region_ptrs[i] = sti->regions_phys[i];
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],
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));
487 /* last entry reached ? */
488 if (sti->regions[i].region_desc.last)
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);
496 glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr);
498 sti->glob_cfg = glob_cfg;
504 struct sti_cooked_font * __init
505 sti_select_fbfont( struct sti_cooked_rom *cooked_rom, char *fbfont_name )
507 struct font_desc *fbfont;
508 unsigned int size, bpc;
510 struct sti_rom_font *nf;
511 struct sti_cooked_font *cooked_font;
513 if (!fbfont_name || !strlen(fbfont_name))
515 fbfont = find_font(fbfont_name);
517 fbfont = get_default_font(1024,768);
521 DPRINTK((KERN_DEBUG "selected %dx%d fb-font %s\n",
522 fbfont->width, fbfont->height, fbfont->name));
524 bpc = ((fbfont->width+7)/8) * fbfont->height;
526 size += sizeof(struct sti_rom_font);
528 nf = kmalloc(size, GFP_KERNEL);
535 nf->width = fbfont->width;
536 nf->height = fbfont->height;
537 nf->font_type = STI_FONT_HPROMAN8;
538 nf->bytes_per_char = bpc;
540 nf->underline_height = 1;
541 nf->underline_pos = fbfont->height - nf->underline_height;
544 dest += sizeof(struct sti_rom_font);
545 memcpy(dest, fbfont->data, bpc*256);
547 cooked_font = kmalloc(sizeof(*cooked_font), GFP_KERNEL);
553 cooked_font->raw = nf;
554 cooked_font->next_font = NULL;
556 cooked_rom->font_start = cooked_font;
561 struct sti_cooked_font * __init
562 sti_select_fbfont(struct sti_cooked_rom *cooked_rom, char *fbfont_name)
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) )
572 struct sti_cooked_font *font;
574 int index = num_sti_roms;
576 /* check for framebuffer-font first */
577 if ((font = sti_select_fbfont(rom, font_name[index])))
580 if (font_width[index] && font_height[index])
581 font_index[index] = search_font_fnc(rom,
582 font_height[index], font_width[index]);
584 for (font = rom->font_start, i = font_index[index];
586 font = font->next_font, i--);
591 return rom->font_start;
596 sti_dump_rom(struct sti_rom *rom)
598 printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n",
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));
614 sti_cook_fonts(struct sti_cooked_rom *cooked_rom,
615 struct sti_rom *raw_rom)
617 struct sti_rom_font *raw_font, *font_start;
618 struct sti_cooked_font *cooked_font;
620 cooked_font = kmalloc(sizeof(*cooked_font), GFP_KERNEL);
624 cooked_rom->font_start = cooked_font;
626 raw_font = ((void *)raw_rom) + (raw_rom->font_start);
628 font_start = raw_font;
629 cooked_font->raw = raw_font;
631 while (raw_font->next_font) {
632 raw_font = ((void *)font_start) + (raw_font->next_font);
634 cooked_font->next_font = kmalloc(sizeof(*cooked_font), GFP_KERNEL);
635 if (!cooked_font->next_font)
638 cooked_font = cooked_font->next_font;
640 cooked_font->raw = raw_font;
643 cooked_font->next_font = NULL;
649 sti_search_font(struct sti_cooked_rom *rom, int height, int width)
651 struct sti_cooked_font *font;
654 for (font = rom->font_start; font; font = font->next_font, i++) {
655 if ((font->raw->width == width) &&
656 (font->raw->height == height))
662 #define BMODE_RELOCATE(offset) offset = (offset) / 4;
663 #define BMODE_LAST_ADDR_OFFS 0x50
666 sti_bmode_font_raw(struct sti_cooked_font *f)
668 unsigned char *n, *p, *q;
669 int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font);
671 n = kmalloc (4*size, GFP_KERNEL);
674 memset (n, 0, 4*size);
676 q = (unsigned char *)f->raw;
685 sti_bmode_rom_copy(unsigned long base, unsigned long count, void *dest)
687 unsigned long dest_len = count;
688 unsigned long dest_start = (unsigned long) dest;
692 *(u8 *)dest = gsc_readl(base);
696 sti_flush(dest_start, dest_len);
699 static struct sti_rom * __init
700 sti_get_bmode_rom (unsigned long address)
704 struct sti_rom_font *raw_font, *font_start;
706 sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size);
709 raw = kmalloc(size, GFP_KERNEL);
711 sti_bmode_rom_copy(address, size, raw);
712 memmove (&raw->res004, &raw->type[0], 0x3c);
713 raw->type[3] = raw->res004;
715 BMODE_RELOCATE (raw->region_list);
716 BMODE_RELOCATE (raw->font_start);
718 BMODE_RELOCATE (raw->init_graph);
719 BMODE_RELOCATE (raw->state_mgmt);
720 BMODE_RELOCATE (raw->font_unpmv);
721 BMODE_RELOCATE (raw->block_move);
722 BMODE_RELOCATE (raw->inq_conf);
724 raw_font = ((void *)raw) + raw->font_start;
725 font_start = raw_font;
727 while (raw_font->next_font) {
728 BMODE_RELOCATE (raw_font->next_font);
729 raw_font = ((void *)font_start) + raw_font->next_font;
735 struct sti_rom * __init
736 sti_get_wmode_rom (unsigned long address)
741 /* read the ROM size directly from the struct in ROM */
742 size = gsc_readl(address + offsetof(struct sti_rom,last_addr));
744 raw = kmalloc(size, GFP_KERNEL);
746 sti_rom_copy(address, size, raw);
752 sti_read_rom(int wordmode, struct sti_struct *sti, unsigned long address)
754 struct sti_cooked_rom *cooked;
755 struct sti_rom *raw = NULL;
757 cooked = kmalloc(sizeof *cooked, GFP_KERNEL);
762 raw = sti_get_wmode_rom (address);
764 raw = sti_get_bmode_rom (address);
769 if (!sti_cook_fonts(cooked, raw)) {
770 printk(KERN_ERR "No font found for STI at %08lx\n", address);
774 if (raw->region_list)
775 memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions));
777 address = (unsigned long) STI_PTR(raw);
779 sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff);
780 sti->block_move = address + (raw->block_move & 0x03ffffff);
781 sti->init_graph = address + (raw->init_graph & 0x03ffffff);
782 sti->inq_conf = address + (raw->inq_conf & 0x03ffffff);
787 sti->font = sti_select_font(sti->rom, sti_search_font);
788 sti->font_width = sti->font->raw->width;
789 sti->font_height = sti->font->raw->height;
791 sti->font->raw = sti_bmode_font_raw(sti->font);
793 sti->sti_mem_request = raw->sti_mem_req;
794 sti->graphics_id[0] = raw->graphics_id[0];
795 sti->graphics_id[1] = raw->graphics_id[1];
807 static struct sti_struct * __init
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 = kmalloc(sizeof(*sti), GFP_KERNEL);
821 printk(KERN_ERR "Not enough memory !\n");
825 memset(sti, 0, sizeof(*sti));
826 spin_lock_init(&sti->lock);
829 /* if we can't read the ROM, bail out early. Not being able
830 * to read the hpa is okay, for romless sti */
831 if (pdc_add_valid(address))
834 sig = gsc_readl(address);
836 /* check for a PCI ROM structure */
837 if ((le32_to_cpu(sig)==0xaa55)) {
838 unsigned int i, rm_offset;
840 i = gsc_readl(address+0x04);
842 /* The ROM could have multiple architecture
843 * dependent images (e.g. i386, parisc,...) */
845 "PCI ROM is not a STI ROM type image (0x%8x)\n", i);
851 i = gsc_readl(address+0x0c);
852 DPRINTK(("PCI ROM size (from header) = %d kB\n",
853 le16_to_cpu(i>>16)*512/1024));
854 rm_offset = le16_to_cpu(i & 0xffff);
856 /* read 16 bytes from the pci region mapper array */
857 rm = (u32*) &sti->rm_entry;
858 *rm++ = gsc_readl(address+rm_offset+0x00);
859 *rm++ = gsc_readl(address+rm_offset+0x04);
860 *rm++ = gsc_readl(address+rm_offset+0x08);
861 *rm++ = gsc_readl(address+rm_offset+0x0c);
862 DPRINTK(("PCI region Mapper offset = %08x: ",
865 DPRINTK(("%02x ", sti->rm_entry[i]));
869 address += le32_to_cpu(gsc_readl(address+8));
870 DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address));
876 if ((sig & 0xff) == 0x01) {
877 DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n",
879 ok = sti_read_rom(0, sti, address);
882 if ((sig & 0xffff) == 0x0303) {
883 DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n",
885 ok = sti_read_rom(1, sti, address);
891 if (sti_init_glob_cfg(sti, address, hpa))
892 goto out_err; /* not enough memory */
894 /* disable STI PCI ROM. ROM and card RAM overlap and
895 * leaving it enabled would force HPMCs
898 unsigned long rom_base;
899 rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE);
900 pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE);
901 DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n"));
904 if (sti_init_graph(sti))
908 sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request);
909 sti_dump_outptr(sti);
911 printk(KERN_INFO " graphics card name: %s\n", sti->outptr.dev_name );
913 sti_roms[num_sti_roms] = sti;
923 static void __init sticore_check_for_default_sti(struct sti_struct *sti, char *path)
925 if (strcmp (path, default_sti_path) == 0)
930 * on newer systems PDC gives the address of the ROM
931 * in the additional address field addr[1] while on
932 * older Systems the PDC stores it in page0->proc_sti
934 static int __init sticore_pa_init(struct parisc_device *dev)
937 struct sti_struct *sti = NULL;
938 int hpa = dev->hpa.start;
940 if (dev->num_addrs && dev->addr[0])
941 sti = sti_try_rom_generic(dev->addr[0], hpa, NULL);
943 sti = sti_try_rom_generic(hpa, hpa, NULL);
945 sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL);
949 print_pa_hwpath(dev, pa_path);
950 sticore_check_for_default_sti(sti, pa_path);
955 static int __devinit sticore_pci_init(struct pci_dev *pd,
956 const struct pci_device_id *ent)
959 unsigned long fb_base, rom_base;
960 unsigned int fb_len, rom_len;
961 struct sti_struct *sti;
963 pci_enable_device(pd);
965 fb_base = pci_resource_start(pd, 0);
966 fb_len = pci_resource_len(pd, 0);
967 rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE);
968 rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE);
970 pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE);
971 DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base));
974 printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n",
975 rom_base, rom_len/1024, fb_base, fb_len/1024/1024);
977 DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n",
980 sti = sti_try_rom_generic(rom_base, fb_base, pd);
983 print_pci_hwpath(pd, pa_path);
984 sticore_check_for_default_sti(sti, pa_path);
988 printk(KERN_WARNING "Unable to handle STI device '%s'\n",
992 #endif /* CONFIG_PCI */
998 static void __devexit sticore_pci_remove(struct pci_dev *pd)
1004 static struct pci_device_id sti_pci_tbl[] = {
1005 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) },
1006 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) },
1007 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) },
1008 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) },
1009 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) },
1010 { 0, } /* terminate list */
1012 MODULE_DEVICE_TABLE(pci, sti_pci_tbl);
1014 static struct pci_driver pci_sti_driver = {
1016 .id_table = sti_pci_tbl,
1017 .probe = sticore_pci_init,
1018 .remove = sticore_pci_remove,
1021 static struct parisc_device_id sti_pa_tbl[] = {
1022 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 },
1023 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 },
1027 static struct parisc_driver pa_sti_driver = {
1029 .id_table = sti_pa_tbl,
1030 .probe = sticore_pa_init,
1035 * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[]
1038 static int sticore_initialized;
1040 static void __init sti_init_roms(void)
1042 if (sticore_initialized)
1045 sticore_initialized = 1;
1047 printk(KERN_INFO "STI GSC/PCI core graphics driver "
1048 STI_DRIVERVERSION "\n");
1050 /* Register drivers for native & PCI cards */
1051 register_parisc_driver(&pa_sti_driver);
1052 pci_register_driver(&pci_sti_driver);
1054 /* if we didn't find the given default sti, take the first one */
1056 default_sti = sti_roms[0];
1061 * index = 0 gives default sti
1062 * index > 0 gives other stis in detection order
1064 struct sti_struct * sti_get_rom(unsigned int index)
1066 if (!sticore_initialized)
1072 if (index > num_sti_roms)
1075 return sti_roms[index-1];
1077 EXPORT_SYMBOL(sti_get_rom);
1079 MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer");
1080 MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines");
1081 MODULE_LICENSE("GPL v2");