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>
28 #include "../sticore.h"
30 #define STI_DRIVERVERSION "Version 0.9a"
32 static struct sti_struct *default_sti __read_mostly;
34 /* number of STI ROMS found and their ptrs to each struct */
35 static int num_sti_roms __read_mostly;
36 static struct sti_struct *sti_roms[MAX_STI_ROMS] __read_mostly;
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 = {
71 static int sti_init_graph(struct sti_struct *sti)
73 struct sti_init_inptr_ext inptr_ext = { 0, };
74 struct sti_init_inptr inptr = {
75 .text_planes = 3, /* # of text planes (max 3 for STI) */
76 .ext_ptr = STI_PTR(&inptr_ext)
78 struct sti_init_outptr outptr = { 0, };
82 spin_lock_irqsave(&sti->lock, flags);
84 ret = STI_CALL(sti->init_graph, &default_init_flags, &inptr,
85 &outptr, sti->glob_cfg);
87 spin_unlock_irqrestore(&sti->lock, flags);
90 printk(KERN_ERR "STI init_graph failed (ret %d, errno %d)\n",ret,outptr.errno);
94 sti->text_planes = outptr.text_planes;
98 static const struct sti_conf_flags default_conf_flags = {
102 static void sti_inq_conf(struct sti_struct *sti)
104 struct sti_conf_inptr inptr = { 0, };
108 sti->outptr.ext_ptr = STI_PTR(&sti->outptr_ext);
111 spin_lock_irqsave(&sti->lock, flags);
112 ret = STI_CALL(sti->inq_conf, &default_conf_flags,
113 &inptr, &sti->outptr, sti->glob_cfg);
114 spin_unlock_irqrestore(&sti->lock, flags);
118 static const struct sti_font_flags default_font_flags = {
124 sti_putc(struct sti_struct *sti, int c, int y, int x)
126 struct sti_font_inptr inptr = {
127 .font_start_addr= STI_PTR(sti->font->raw),
128 .index = c_index(sti, c),
129 .fg_color = c_fg(sti, c),
130 .bg_color = c_bg(sti, c),
131 .dest_x = x * sti->font_width,
132 .dest_y = y * sti->font_height,
134 struct sti_font_outptr outptr = { 0, };
139 spin_lock_irqsave(&sti->lock, flags);
140 ret = STI_CALL(sti->font_unpmv, &default_font_flags,
141 &inptr, &outptr, sti->glob_cfg);
142 spin_unlock_irqrestore(&sti->lock, flags);
146 static const struct sti_blkmv_flags clear_blkmv_flags = {
153 sti_set(struct sti_struct *sti, int src_y, int src_x,
154 int height, int width, u8 color)
156 struct sti_blkmv_inptr inptr = {
166 struct sti_blkmv_outptr outptr = { 0, };
171 spin_lock_irqsave(&sti->lock, flags);
172 ret = STI_CALL(sti->block_move, &clear_blkmv_flags,
173 &inptr, &outptr, sti->glob_cfg);
174 spin_unlock_irqrestore(&sti->lock, flags);
179 sti_clear(struct sti_struct *sti, int src_y, int src_x,
180 int height, int width, int c)
182 struct sti_blkmv_inptr inptr = {
183 .fg_color = c_fg(sti, c),
184 .bg_color = c_bg(sti, c),
185 .src_x = src_x * sti->font_width,
186 .src_y = src_y * sti->font_height,
187 .dest_x = src_x * sti->font_width,
188 .dest_y = src_y * sti->font_height,
189 .width = width * sti->font_width,
190 .height = height* sti->font_height,
192 struct sti_blkmv_outptr outptr = { 0, };
197 spin_lock_irqsave(&sti->lock, flags);
198 ret = STI_CALL(sti->block_move, &clear_blkmv_flags,
199 &inptr, &outptr, sti->glob_cfg);
200 spin_unlock_irqrestore(&sti->lock, flags);
204 static const struct sti_blkmv_flags default_blkmv_flags = {
209 sti_bmove(struct sti_struct *sti, int src_y, int src_x,
210 int dst_y, int dst_x, int height, int width)
212 struct sti_blkmv_inptr inptr = {
213 .src_x = src_x * sti->font_width,
214 .src_y = src_y * sti->font_height,
215 .dest_x = dst_x * sti->font_width,
216 .dest_y = dst_y * sti->font_height,
217 .width = width * sti->font_width,
218 .height = height* sti->font_height,
220 struct sti_blkmv_outptr outptr = { 0, };
225 spin_lock_irqsave(&sti->lock, flags);
226 ret = STI_CALL(sti->block_move, &default_blkmv_flags,
227 &inptr, &outptr, sti->glob_cfg);
228 spin_unlock_irqrestore(&sti->lock, flags);
233 static void sti_flush(unsigned long start, unsigned long end)
235 flush_icache_range(start, end);
238 static void __devinit sti_rom_copy(unsigned long base, unsigned long count,
241 unsigned long dest_start = (unsigned long) dest;
243 /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */
246 *(u32 *)dest = gsc_readl(base);
252 *(u8 *)dest = gsc_readb(base);
257 sti_flush(dest_start, (unsigned long)dest);
263 static char default_sti_path[21] __read_mostly;
266 static int __devinit sti_setup(char *str)
269 strlcpy (default_sti_path, str, sizeof (default_sti_path));
274 /* Assuming the machine has multiple STI consoles (=graphic cards) which
275 * all get detected by sticon, the user may define with the linux kernel
276 * parameter sti=<x> which of them will be the initial boot-console.
277 * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default
280 __setup("sti=", sti_setup);
285 static char __devinitdata *font_name[MAX_STI_ROMS] = { "VGA8x16", };
286 static int __devinitdata font_index[MAX_STI_ROMS],
287 font_height[MAX_STI_ROMS],
288 font_width[MAX_STI_ROMS];
290 static int __devinit sti_font_setup(char *str)
295 /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20
296 * or sti_font=7 style command lines. */
298 while (i<MAX_STI_ROMS && str && *str) {
299 if (*str>='0' && *str<='9') {
300 if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) {
301 font_height[i] = simple_strtoul(str, NULL, 0);
302 font_width[i] = simple_strtoul(x+1, NULL, 0);
304 font_index[i] = simple_strtoul(str, NULL, 0);
307 font_name[i] = str; /* fb font name */
310 if ((x = strchr(str, ',')))
320 /* The optional linux kernel parameter "sti_font" defines which font
321 * should be used by the sticon driver to draw characters to the screen.
322 * Possible values are:
323 * - sti_font=<fb_fontname>:
324 * <fb_fontname> is the name of one of the linux-kernel built-in
325 * framebuffer font names (e.g. VGA8x16, SUN22x18).
326 * This is only available if the fonts have been statically compiled
327 * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options.
328 * - sti_font=<number>
329 * most STI ROMs have built-in HP specific fonts, which can be selected
330 * by giving the desired number to the sticon driver.
331 * NOTE: This number is machine and STI ROM dependend.
332 * - sti_font=<height>x<width> (e.g. sti_font=16x8)
333 * <height> and <width> gives hints to the height and width of the
334 * font which the user wants. The sticon driver will try to use
335 * a font with this height and width, but if no suitable font is
336 * found, sticon will use the default 8x8 font.
338 __setup("sti_font=", sti_font_setup);
343 static void __devinit
344 sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request)
346 struct sti_glob_cfg_ext *cfg;
350 "%4d x %4d screen resolution\n"
351 "%4d x %4d offscreen\n"
353 "regions at %08x %08x %08x %08x\n"
354 "regions at %08x %08x %08x %08x\n"
357 glob_cfg->text_planes,
358 glob_cfg->onscreen_x, glob_cfg->onscreen_y,
359 glob_cfg->offscreen_x, glob_cfg->offscreen_y,
360 glob_cfg->total_x, glob_cfg->total_y,
361 glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1],
362 glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3],
363 glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5],
364 glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7],
366 glob_cfg->save_addr));
368 /* dump extended cfg */
369 cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr);
372 "in friendly mode: %d\n"
373 "power consumption %d watts\n"
375 "sti_mem_addr %08x (size=%d bytes)\n",
380 cfg->sti_mem_addr, sti_mem_request));
383 static void __devinit
384 sti_dump_outptr(struct sti_struct *sti)
387 "%d bits per pixel\n"
391 sti->outptr.bits_per_pixel,
392 sti->outptr.bits_used,
394 sti->outptr.attributes));
398 sti_init_glob_cfg(struct sti_struct *sti,
399 unsigned long rom_address, unsigned long hpa)
401 struct sti_glob_cfg *glob_cfg;
402 struct sti_glob_cfg_ext *glob_cfg_ext;
405 const int save_addr_size = 1024; /* XXX */
408 if (!sti->sti_mem_request)
409 sti->sti_mem_request = 256; /* STI default */
411 glob_cfg = kzalloc(sizeof(*sti->glob_cfg), GFP_KERNEL);
412 glob_cfg_ext = kzalloc(sizeof(*glob_cfg_ext), GFP_KERNEL);
413 save_addr = kzalloc(save_addr_size, GFP_KERNEL);
414 sti_mem_addr = kzalloc(sti->sti_mem_request, GFP_KERNEL);
416 if (!(glob_cfg && glob_cfg_ext && save_addr && sti_mem_addr)) {
424 glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext);
425 glob_cfg->save_addr = STI_PTR(save_addr);
426 for (i=0; i<8; i++) {
427 unsigned long newhpa, len;
430 unsigned char offs = sti->rm_entry[i];
434 if (offs != PCI_ROM_ADDRESS &&
435 (offs < PCI_BASE_ADDRESS_0 ||
436 offs > PCI_BASE_ADDRESS_5)) {
438 "STI pci region maping for region %d (%02x) can't be mapped\n",
442 newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4);
444 newhpa = (i == 0) ? rom_address : hpa;
446 sti->regions_phys[i] =
447 REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa);
449 len = sti->regions[i].region_desc.length * 4096;
451 glob_cfg->region_ptrs[i] = sti->regions_phys[i];
453 DPRINTK(("region #%d: phys %08lx, region_ptr %08x, len=%lukB, "
454 "btlb=%d, sysonly=%d, cache=%d, last=%d\n",
455 i, sti->regions_phys[i], glob_cfg->region_ptrs[i],
457 sti->regions[i].region_desc.btlb,
458 sti->regions[i].region_desc.sys_only,
459 sti->regions[i].region_desc.cache,
460 sti->regions[i].region_desc.last));
462 /* last entry reached ? */
463 if (sti->regions[i].region_desc.last)
467 if (++i<8 && sti->regions[i].region)
468 printk(KERN_WARNING "%s: *future ptr (0x%8x) not yet supported !\n",
469 __FILE__, sti->regions[i].region);
471 glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr);
473 sti->glob_cfg = glob_cfg;
479 static struct sti_cooked_font __devinit
480 *sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name)
482 const struct font_desc *fbfont;
483 unsigned int size, bpc;
485 struct sti_rom_font *nf;
486 struct sti_cooked_font *cooked_font;
488 if (!fbfont_name || !strlen(fbfont_name))
490 fbfont = find_font(fbfont_name);
492 fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0);
496 DPRINTK((KERN_DEBUG "selected %dx%d fb-font %s\n",
497 fbfont->width, fbfont->height, fbfont->name));
499 bpc = ((fbfont->width+7)/8) * fbfont->height;
501 size += sizeof(struct sti_rom_font);
503 nf = kzalloc(size, GFP_KERNEL);
509 nf->width = fbfont->width;
510 nf->height = fbfont->height;
511 nf->font_type = STI_FONT_HPROMAN8;
512 nf->bytes_per_char = bpc;
514 nf->underline_height = 1;
515 nf->underline_pos = fbfont->height - nf->underline_height;
518 dest += sizeof(struct sti_rom_font);
519 memcpy(dest, fbfont->data, bpc*256);
521 cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL);
527 cooked_font->raw = nf;
528 cooked_font->next_font = NULL;
530 cooked_rom->font_start = cooked_font;
535 static struct sti_cooked_font __devinit
536 *sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name)
542 static struct sti_cooked_font __devinit
543 *sti_select_font(struct sti_cooked_rom *rom,
544 int (*search_font_fnc)(struct sti_cooked_rom *, int, int))
546 struct sti_cooked_font *font;
548 int index = num_sti_roms;
550 /* check for framebuffer-font first */
551 if ((font = sti_select_fbfont(rom, font_name[index])))
554 if (font_width[index] && font_height[index])
555 font_index[index] = search_font_fnc(rom,
556 font_height[index], font_width[index]);
558 for (font = rom->font_start, i = font_index[index];
560 font = font->next_font, i--);
565 return rom->font_start;
569 static void __devinit
570 sti_dump_rom(struct sti_rom *rom)
572 printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n",
576 rom->revno[0] & 0x0f);
577 DPRINTK((" supports %d monitors\n", rom->num_mons));
578 DPRINTK((" font start %08x\n", rom->font_start));
579 DPRINTK((" region list %08x\n", rom->region_list));
580 DPRINTK((" init_graph %08x\n", rom->init_graph));
581 DPRINTK((" bus support %02x\n", rom->bus_support));
582 DPRINTK((" ext bus support %02x\n", rom->ext_bus_support));
583 DPRINTK((" alternate code type %d\n", rom->alt_code_type));
588 sti_cook_fonts(struct sti_cooked_rom *cooked_rom,
589 struct sti_rom *raw_rom)
591 struct sti_rom_font *raw_font, *font_start;
592 struct sti_cooked_font *cooked_font;
594 cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL);
598 cooked_rom->font_start = cooked_font;
600 raw_font = ((void *)raw_rom) + (raw_rom->font_start);
602 font_start = raw_font;
603 cooked_font->raw = raw_font;
605 while (raw_font->next_font) {
606 raw_font = ((void *)font_start) + (raw_font->next_font);
608 cooked_font->next_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL);
609 if (!cooked_font->next_font)
612 cooked_font = cooked_font->next_font;
614 cooked_font->raw = raw_font;
617 cooked_font->next_font = NULL;
623 sti_search_font(struct sti_cooked_rom *rom, int height, int width)
625 struct sti_cooked_font *font;
628 for (font = rom->font_start; font; font = font->next_font, i++) {
629 if ((font->raw->width == width) &&
630 (font->raw->height == height))
636 #define BMODE_RELOCATE(offset) offset = (offset) / 4;
637 #define BMODE_LAST_ADDR_OFFS 0x50
639 static void * __devinit
640 sti_bmode_font_raw(struct sti_cooked_font *f)
642 unsigned char *n, *p, *q;
643 int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font);
645 n = kzalloc (4*size, GFP_KERNEL);
649 q = (unsigned char *)f->raw;
657 static void __devinit
658 sti_bmode_rom_copy(unsigned long base, unsigned long count, void *dest)
660 unsigned long dest_start = (unsigned long) dest;
664 *(u8 *)dest = gsc_readl(base);
669 sti_flush(dest_start, (unsigned long)dest);
672 static struct sti_rom * __devinit
673 sti_get_bmode_rom (unsigned long address)
677 struct sti_rom_font *raw_font, *font_start;
679 sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size);
682 raw = kmalloc(size, GFP_KERNEL);
684 sti_bmode_rom_copy(address, size, raw);
685 memmove (&raw->res004, &raw->type[0], 0x3c);
686 raw->type[3] = raw->res004;
688 BMODE_RELOCATE (raw->region_list);
689 BMODE_RELOCATE (raw->font_start);
691 BMODE_RELOCATE (raw->init_graph);
692 BMODE_RELOCATE (raw->state_mgmt);
693 BMODE_RELOCATE (raw->font_unpmv);
694 BMODE_RELOCATE (raw->block_move);
695 BMODE_RELOCATE (raw->inq_conf);
697 raw_font = ((void *)raw) + raw->font_start;
698 font_start = raw_font;
700 while (raw_font->next_font) {
701 BMODE_RELOCATE (raw_font->next_font);
702 raw_font = ((void *)font_start) + raw_font->next_font;
708 static struct sti_rom __devinit *sti_get_wmode_rom(unsigned long address)
713 /* read the ROM size directly from the struct in ROM */
714 size = gsc_readl(address + offsetof(struct sti_rom,last_addr));
716 raw = kmalloc(size, GFP_KERNEL);
718 sti_rom_copy(address, size, raw);
723 static int __devinit sti_read_rom(int wordmode, struct sti_struct *sti,
724 unsigned long address)
726 struct sti_cooked_rom *cooked;
727 struct sti_rom *raw = NULL;
729 cooked = kmalloc(sizeof *cooked, GFP_KERNEL);
734 raw = sti_get_wmode_rom (address);
736 raw = sti_get_bmode_rom (address);
741 if (!sti_cook_fonts(cooked, raw)) {
742 printk(KERN_ERR "No font found for STI at %08lx\n", address);
746 if (raw->region_list)
747 memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions));
749 address = (unsigned long) STI_PTR(raw);
751 sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff);
752 sti->block_move = address + (raw->block_move & 0x03ffffff);
753 sti->init_graph = address + (raw->init_graph & 0x03ffffff);
754 sti->inq_conf = address + (raw->inq_conf & 0x03ffffff);
759 sti->font = sti_select_font(sti->rom, sti_search_font);
760 sti->font_width = sti->font->raw->width;
761 sti->font_height = sti->font->raw->height;
763 sti->font->raw = sti_bmode_font_raw(sti->font);
765 sti->sti_mem_request = raw->sti_mem_req;
766 sti->graphics_id[0] = raw->graphics_id[0];
767 sti->graphics_id[1] = raw->graphics_id[1];
779 static struct sti_struct * __devinit
780 sti_try_rom_generic(unsigned long address, unsigned long hpa, struct pci_dev *pd)
782 struct sti_struct *sti;
786 if (num_sti_roms >= MAX_STI_ROMS) {
787 printk(KERN_WARNING "maximum number of STI ROMS reached !\n");
791 sti = kzalloc(sizeof(*sti), GFP_KERNEL);
793 printk(KERN_ERR "Not enough memory !\n");
797 spin_lock_init(&sti->lock);
800 /* if we can't read the ROM, bail out early. Not being able
801 * to read the hpa is okay, for romless sti */
802 if (pdc_add_valid(address))
805 sig = gsc_readl(address);
807 /* check for a PCI ROM structure */
808 if ((le32_to_cpu(sig)==0xaa55)) {
809 unsigned int i, rm_offset;
811 i = gsc_readl(address+0x04);
813 /* The ROM could have multiple architecture
814 * dependent images (e.g. i386, parisc,...) */
816 "PCI ROM is not a STI ROM type image (0x%8x)\n", i);
822 i = gsc_readl(address+0x0c);
823 DPRINTK(("PCI ROM size (from header) = %d kB\n",
824 le16_to_cpu(i>>16)*512/1024));
825 rm_offset = le16_to_cpu(i & 0xffff);
827 /* read 16 bytes from the pci region mapper array */
828 rm = (u32*) &sti->rm_entry;
829 *rm++ = gsc_readl(address+rm_offset+0x00);
830 *rm++ = gsc_readl(address+rm_offset+0x04);
831 *rm++ = gsc_readl(address+rm_offset+0x08);
832 *rm++ = gsc_readl(address+rm_offset+0x0c);
833 DPRINTK(("PCI region Mapper offset = %08x: ",
836 DPRINTK(("%02x ", sti->rm_entry[i]));
840 address += le32_to_cpu(gsc_readl(address+8));
841 DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address));
847 if ((sig & 0xff) == 0x01) {
848 DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n",
850 ok = sti_read_rom(0, sti, address);
853 if ((sig & 0xffff) == 0x0303) {
854 DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n",
856 ok = sti_read_rom(1, sti, address);
862 if (sti_init_glob_cfg(sti, address, hpa))
863 goto out_err; /* not enough memory */
865 /* disable STI PCI ROM. ROM and card RAM overlap and
866 * leaving it enabled would force HPMCs
869 unsigned long rom_base;
870 rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE);
871 pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE);
872 DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n"));
875 if (sti_init_graph(sti))
879 sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request);
880 sti_dump_outptr(sti);
882 printk(KERN_INFO " graphics card name: %s\n", sti->outptr.dev_name );
884 sti_roms[num_sti_roms] = sti;
894 static void __devinit sticore_check_for_default_sti(struct sti_struct *sti, char *path)
896 if (strcmp (path, default_sti_path) == 0)
901 * on newer systems PDC gives the address of the ROM
902 * in the additional address field addr[1] while on
903 * older Systems the PDC stores it in page0->proc_sti
905 static int __devinit sticore_pa_init(struct parisc_device *dev)
908 struct sti_struct *sti = NULL;
909 int hpa = dev->hpa.start;
911 if (dev->num_addrs && dev->addr[0])
912 sti = sti_try_rom_generic(dev->addr[0], hpa, NULL);
914 sti = sti_try_rom_generic(hpa, hpa, NULL);
916 sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL);
920 print_pa_hwpath(dev, pa_path);
921 sticore_check_for_default_sti(sti, pa_path);
926 static int __devinit sticore_pci_init(struct pci_dev *pd,
927 const struct pci_device_id *ent)
930 unsigned long fb_base, rom_base;
931 unsigned int fb_len, rom_len;
932 struct sti_struct *sti;
934 pci_enable_device(pd);
936 fb_base = pci_resource_start(pd, 0);
937 fb_len = pci_resource_len(pd, 0);
938 rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE);
939 rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE);
941 pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE);
942 DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base));
945 printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n",
946 rom_base, rom_len/1024, fb_base, fb_len/1024/1024);
948 DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n",
951 sti = sti_try_rom_generic(rom_base, fb_base, pd);
954 print_pci_hwpath(pd, pa_path);
955 sticore_check_for_default_sti(sti, pa_path);
959 printk(KERN_WARNING "Unable to handle STI device '%s'\n",
963 #endif /* CONFIG_PCI */
969 static void __devexit sticore_pci_remove(struct pci_dev *pd)
975 static struct pci_device_id sti_pci_tbl[] = {
976 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) },
977 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) },
978 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) },
979 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) },
980 { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) },
981 { 0, } /* terminate list */
983 MODULE_DEVICE_TABLE(pci, sti_pci_tbl);
985 static struct pci_driver pci_sti_driver = {
987 .id_table = sti_pci_tbl,
988 .probe = sticore_pci_init,
989 .remove = sticore_pci_remove,
992 static struct parisc_device_id sti_pa_tbl[] = {
993 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 },
994 { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 },
998 static struct parisc_driver pa_sti_driver = {
1000 .id_table = sti_pa_tbl,
1001 .probe = sticore_pa_init,
1006 * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[]
1009 static int sticore_initialized __read_mostly;
1011 static void __devinit sti_init_roms(void)
1013 if (sticore_initialized)
1016 sticore_initialized = 1;
1018 printk(KERN_INFO "STI GSC/PCI core graphics driver "
1019 STI_DRIVERVERSION "\n");
1021 /* Register drivers for native & PCI cards */
1022 register_parisc_driver(&pa_sti_driver);
1023 pci_register_driver(&pci_sti_driver);
1025 /* if we didn't find the given default sti, take the first one */
1027 default_sti = sti_roms[0];
1032 * index = 0 gives default sti
1033 * index > 0 gives other stis in detection order
1035 struct sti_struct * sti_get_rom(unsigned int index)
1037 if (!sticore_initialized)
1043 if (index > num_sti_roms)
1046 return sti_roms[index-1];
1048 EXPORT_SYMBOL(sti_get_rom);
1050 MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer");
1051 MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines");
1052 MODULE_LICENSE("GPL v2");