4  *	core code for console driver using HP's STI firmware
11  * - call STI in virtual mode rather than in real mode
12  * - screen blanking with state_mgmt() in text mode STI ? 
40 /* number of STI ROMS found and their ptrs to each struct */
45 /* The colour indices used by STI are
63 #define c_fg(sti, c) col_trans[((c>> 8) & 7)]  argument
64 #define c_bg(sti, c) col_trans[((c>>11) & 7)]  argument
65 #define c_index(sti, c) ((c) & 0xff)  argument
77 static int sti_init_graph(struct sti_struct *sti)  in sti_init_graph()  argument
79 	struct sti_init_inptr *inptr = &sti->sti_data->init_inptr;  in sti_init_graph()
80 	struct sti_init_inptr_ext *inptr_ext = &sti->sti_data->init_inptr_ext;  in sti_init_graph()
81 	struct sti_init_outptr *outptr = &sti->sti_data->init_outptr;  in sti_init_graph()
85 	spin_lock_irqsave(&sti->lock, flags);  in sti_init_graph()
88 	inptr->text_planes = 3; /* # of text planes (max 3 for STI) */  in sti_init_graph()
93 	ret = sti_call(sti, sti->init_graph, &default_init_flags, inptr,  in sti_init_graph()
94 		outptr, sti->glob_cfg);  in sti_init_graph()
97 		sti->text_planes = outptr->text_planes;  in sti_init_graph()
100 	spin_unlock_irqrestore(&sti->lock, flags);  in sti_init_graph()
103 		pr_err("STI init_graph failed (ret %d, errno %d)\n", ret, err);  in sti_init_graph()
114 static void sti_inq_conf(struct sti_struct *sti)  in sti_inq_conf()  argument
116 	struct sti_conf_inptr *inptr = &sti->sti_data->inq_inptr;  in sti_inq_conf()
117 	struct sti_conf_outptr *outptr = &sti->sti_data->inq_outptr;  in sti_inq_conf()
121 	outptr->ext_ptr = STI_PTR(&sti->sti_data->inq_outptr_ext);  in sti_inq_conf()
124 		spin_lock_irqsave(&sti->lock, flags);  in sti_inq_conf()
126 		ret = sti_call(sti, sti->inq_conf, &default_conf_flags,  in sti_inq_conf()
127 			inptr, outptr, sti->glob_cfg);  in sti_inq_conf()
128 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_inq_conf()
138 sti_putc(struct sti_struct *sti, int c, int y, int x,  in sti_putc()  argument
141 	struct sti_font_inptr *inptr = &sti->sti_data->font_inptr;  in sti_putc()
144 		.index		= c_index(sti, c),  in sti_putc()
145 		.fg_color	= c_fg(sti, c),  in sti_putc()
146 		.bg_color	= c_bg(sti, c),  in sti_putc()
150 	struct sti_font_outptr *outptr = &sti->sti_data->font_outptr;  in sti_putc()
155 		spin_lock_irqsave(&sti->lock, flags);  in sti_putc()
157 		ret = sti_call(sti, sti->font_unpmv, &default_font_flags,  in sti_putc()
158 			inptr, outptr, sti->glob_cfg);  in sti_putc()
159 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_putc()
170 sti_set(struct sti_struct *sti, int src_y, int src_x,  in sti_set()  argument
173 	struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr;  in sti_set()
184 	struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr;  in sti_set()
189 		spin_lock_irqsave(&sti->lock, flags);  in sti_set()
191 		ret = sti_call(sti, sti->block_move, &clear_blkmv_flags,  in sti_set()
192 			inptr, outptr, sti->glob_cfg);  in sti_set()
193 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_set()
198 sti_clear(struct sti_struct *sti, int src_y, int src_x,  in sti_clear()  argument
201 	struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr;  in sti_clear()
203 		.fg_color	= c_fg(sti, c),  in sti_clear()
204 		.bg_color	= c_bg(sti, c),  in sti_clear()
212 	struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr;  in sti_clear()
217 		spin_lock_irqsave(&sti->lock, flags);  in sti_clear()
219 		ret = sti_call(sti, sti->block_move, &clear_blkmv_flags,  in sti_clear()
220 			inptr, outptr, sti->glob_cfg);  in sti_clear()
221 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_clear()
230 sti_bmove(struct sti_struct *sti, int src_y, int src_x,  in sti_bmove()  argument
234 	struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr;  in sti_bmove()
243 	struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr;  in sti_bmove()
248 		spin_lock_irqsave(&sti->lock, flags);  in sti_bmove()
250 		ret = sti_call(sti, sti->block_move, &default_blkmv_flags,  in sti_bmove()
251 			inptr, outptr, sti->glob_cfg);  in sti_bmove()
252 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_bmove()
297 /*	Assuming the machine has multiple STI consoles (=graphic cards) which
299  *	parameter sti=<x> which of them will be the initial boot-console.
301  *	STI screen.
303 __setup("sti=", sti_setup);
320 	 *    the first HP STI ROM built-in font..  in sti_font_setup()
348  *		most STI ROMs have built-in HP specific fonts, which can be selected
350  *		NOTE: This number is machine and STI ROM dependend.
400 static void sti_dump_outptr(struct sti_struct *sti)  in sti_dump_outptr()  argument
406 		 sti->sti_data->inq_outptr.bits_per_pixel,  in sti_dump_outptr()
407 		 sti->sti_data->inq_outptr.bits_used,  in sti_dump_outptr()
408 		 sti->sti_data->inq_outptr.planes,  in sti_dump_outptr()
409 		 sti->sti_data->inq_outptr.attributes);  in sti_dump_outptr()
412 static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address,  in sti_init_glob_cfg()  argument
421 	if (sti->sti_mem_request < 256)  in sti_init_glob_cfg()
422 		sti->sti_mem_request = 256; /* STI default */  in sti_init_glob_cfg()
424 	size = sizeof(struct sti_all_data) + sti->sti_mem_request - 256;  in sti_init_glob_cfg()
426 	sti->sti_data = kzalloc(size, STI_LOWMEM);  in sti_init_glob_cfg()
427 	if (!sti->sti_data)  in sti_init_glob_cfg()
430 	glob_cfg	= &sti->sti_data->glob_cfg;  in sti_init_glob_cfg()
431 	glob_cfg_ext	= &sti->sti_data->glob_cfg_ext;  in sti_init_glob_cfg()
432 	save_addr	= &sti->sti_data->save_addr;  in sti_init_glob_cfg()
433 	sti_mem_addr	= &sti->sti_data->sti_mem_addr;  in sti_init_glob_cfg()
440 		if (sti->pd) {  in sti_init_glob_cfg()
441 			unsigned char offs = sti->rm_entry[i];  in sti_init_glob_cfg()
448 				pr_warn("STI pci region mapping for region %d (%02x) can't be mapped\n",  in sti_init_glob_cfg()
449 					i,sti->rm_entry[i]);  in sti_init_glob_cfg()
452 			newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4);  in sti_init_glob_cfg()
456 		sti->regions_phys[i] =  in sti_init_glob_cfg()
457 			REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa);  in sti_init_glob_cfg()
459 		len = sti->regions[i].region_desc.length * 4096;  in sti_init_glob_cfg()
461 			glob_cfg->region_ptrs[i] = sti->regions_phys[i];  in sti_init_glob_cfg()
465 			i, sti->regions_phys[i], glob_cfg->region_ptrs[i],  in sti_init_glob_cfg()
467 			sti->regions[i].region_desc.btlb,  in sti_init_glob_cfg()
468 			sti->regions[i].region_desc.sys_only,  in sti_init_glob_cfg()
469 			sti->regions[i].region_desc.cache,   in sti_init_glob_cfg()
470 			sti->regions[i].region_desc.last);  in sti_init_glob_cfg()
473 		if (sti->regions[i].region_desc.last)  in sti_init_glob_cfg()
477 	if (++i<8 && sti->regions[i].region)  in sti_init_glob_cfg()
479 			sti->regions[i].region);  in sti_init_glob_cfg()
483 	sti->glob_cfg = glob_cfg;  in sti_init_glob_cfg()
505 	pr_info("STI selected %ux%u framebuffer font %s for sticon\n",  in sti_select_fbfont()
592 static void sti_dump_rom(struct sti_struct *sti)  in sti_dump_rom()  argument
594 	struct sti_rom *rom = sti->rom->raw;  in sti_dump_rom()
611 	font_start = sti->rom->font_start;  in sti_dump_rom()
660 void sti_font_convert_bytemode(struct sti_struct *sti, struct sti_cooked_font *f)  in sti_font_convert_bytemode()  argument
666 	if (sti->wordmode)  in sti_font_convert_bytemode()
751 static int sti_read_rom(int wordmode, struct sti_struct *sti,  in sti_read_rom()  argument
771 		pr_warn("No font found for STI at %08lx\n", address);  in sti_read_rom()
776 		memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions));  in sti_read_rom()
780 	pr_info("STI %s ROM supports 32 %sbit firmware functions.\n",  in sti_read_rom()
785 	sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff);  in sti_read_rom()
786 	sti->block_move = address + (raw->block_move & 0x03ffffff);  in sti_read_rom()
787 	sti->init_graph = address + (raw->init_graph & 0x03ffffff);  in sti_read_rom()
788 	sti->inq_conf   = address + (raw->inq_conf   & 0x03ffffff);  in sti_read_rom()
790 	sti->rom = cooked;  in sti_read_rom()
791 	sti->rom->raw = raw;  in sti_read_rom()
792 	sti_dump_rom(sti);  in sti_read_rom()
794 	sti->wordmode = wordmode;  in sti_read_rom()
795 	sti->font = sti_select_font(sti->rom);  in sti_read_rom()
796 	sti->font->width = sti->font->raw->width;  in sti_read_rom()
797 	sti->font->height = sti->font->raw->height;  in sti_read_rom()
798 	sti_font_convert_bytemode(sti, sti->font);  in sti_read_rom()
800 	sti->sti_mem_request = raw->sti_mem_req;  in sti_read_rom()
801 	sti->graphics_id[0] = raw->graphics_id[0];  in sti_read_rom()
802 	sti->graphics_id[1] = raw->graphics_id[1];  in sti_read_rom()
805 	if (wordmode || sti->graphics_id[1] != 0x09A02587)  in sti_read_rom()
810 	switch (sti->graphics_id[0]) {  in sti_read_rom()
828 	pr_warn("Sorry, this GSC/STI card is not yet supported.\n");  in sti_read_rom()
842 	struct sti_struct *sti;  in sti_try_rom_generic()  local
847 		pr_warn("maximum number of STI ROMS reached !\n");  in sti_try_rom_generic()
851 	sti = kzalloc(sizeof(*sti), GFP_KERNEL);  in sti_try_rom_generic()
852 	if (!sti)  in sti_try_rom_generic()
855 	spin_lock_init(&sti->lock);  in sti_try_rom_generic()
859 	 * to read the hpa is okay, for romless sti */  in sti_try_rom_generic()
873 			pr_warn("PCI ROM is not a STI ROM type image (0x%8x)\n", i);  in sti_try_rom_generic()
877 		sti->pd = pd;  in sti_try_rom_generic()
885 			rm = (u32*) &sti->rm_entry;  in sti_try_rom_generic()
893 		pr_debug("sig %04x, PCI STI ROM at %08lx\n", sig, address);  in sti_try_rom_generic()
902 		ok = sti_read_rom(0, sti, address);  in sti_try_rom_generic()
908 		ok = sti_read_rom(1, sti, address);  in sti_try_rom_generic()
914 	if (sti_init_glob_cfg(sti, address, hpa))  in sti_try_rom_generic()
917 	/* disable STI PCI ROM. ROM and card RAM overlap and  in sti_try_rom_generic()
920 	if (sti->pd) {  in sti_try_rom_generic()
922 		rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE);	  in sti_try_rom_generic()
923 		pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE);  in sti_try_rom_generic()
924 		pr_debug("STI PCI ROM disabled\n");  in sti_try_rom_generic()
927 	if (sti_init_graph(sti))  in sti_try_rom_generic()
930 	sti_inq_conf(sti);  in sti_try_rom_generic()
931 	sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request);  in sti_try_rom_generic()
932 	sti_dump_outptr(sti);  in sti_try_rom_generic()
935 		sti->sti_data->inq_outptr.dev_name);  in sti_try_rom_generic()
937 	sti_roms[num_sti_roms] = sti;  in sti_try_rom_generic()
940 	return sti;  in sti_try_rom_generic()
943 	kfree(sti);  in sti_try_rom_generic()
947 static void sticore_check_for_default_sti(struct sti_struct *sti, char *path)  in sticore_check_for_default_sti()  argument
950 		default_sti = sti;  in sticore_check_for_default_sti()
961 	struct sti_struct *sti = NULL;  in sticore_pa_init()  local
965 		sti = sti_try_rom_generic(dev->addr[0], hpa, NULL);  in sticore_pa_init()
966 	if (!sti)  in sticore_pa_init()
967 		sti = sti_try_rom_generic(hpa, hpa, NULL);  in sticore_pa_init()
968 	if (!sti)  in sticore_pa_init()
969 		sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL);  in sticore_pa_init()
970 	if (!sti)  in sticore_pa_init()
974 	sticore_check_for_default_sti(sti, pa_path);  in sticore_pa_init()
985 	struct sti_struct *sti;  in sticore_pci_init()  local
999 		pr_debug("STI PCI ROM enabled at 0x%08lx\n", rom_base);  in sticore_pci_init()
1002 	pr_info("STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n",  in sticore_pci_init()
1005 	pr_debug("Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n",  in sticore_pci_init()
1008 	sti = sti_try_rom_generic(rom_base, fb_base, pd);  in sticore_pci_init()
1009 	if (sti) {  in sticore_pci_init()
1012 		sticore_check_for_default_sti(sti, pa_path);  in sticore_pci_init()
1015 	if (!sti) {  in sticore_pci_init()
1016 		pr_warn("Unable to handle STI device '%s'\n", pci_name(pd));  in sticore_pci_init()
1042 	.name		= "sti",
1056 	.name		= "sti",
1063  * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[]
1075 	pr_info("STI GSC/PCI core graphics driver "  in sti_init_roms()
1082 	/* if we didn't find the given default sti, take the first one */  in sti_init_roms()
1089  * index = 0 gives default sti
1108 int sti_call(const struct sti_struct *sti, unsigned long func,  in sti_call()  argument
1119 	/* Check for overflow when using 32bit STI on 64bit kernel. */  in sti_call()
1131 MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines");