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 ? 
41 /* number of STI ROMS found and their ptrs to each struct */
46 /* The colour indices used by STI are
64 #define c_fg(sti, c) col_trans[((c>> 8) & 7)]  argument
65 #define c_bg(sti, c) col_trans[((c>>11) & 7)]  argument
66 #define c_index(sti, c) ((c) & 0xff)  argument
78 static int sti_init_graph(struct sti_struct *sti)  in sti_init_graph()  argument
80 	struct sti_init_inptr *inptr = &sti->sti_data->init_inptr;  in sti_init_graph()
81 	struct sti_init_inptr_ext *inptr_ext = &sti->sti_data->init_inptr_ext;  in sti_init_graph()
82 	struct sti_init_outptr *outptr = &sti->sti_data->init_outptr;  in sti_init_graph()
86 	spin_lock_irqsave(&sti->lock, flags);  in sti_init_graph()
89 	inptr->text_planes = 3; /* # of text planes (max 3 for STI) */  in sti_init_graph()
94 	ret = sti_call(sti, sti->init_graph, &default_init_flags, inptr,  in sti_init_graph()
95 		outptr, sti->glob_cfg);  in sti_init_graph()
98 		sti->text_planes = outptr->text_planes;  in sti_init_graph()
101 	spin_unlock_irqrestore(&sti->lock, flags);  in sti_init_graph()
104 		pr_err("STI init_graph failed (ret %d, errno %d)\n", ret, err);  in sti_init_graph()
115 static void sti_inq_conf(struct sti_struct *sti)  in sti_inq_conf()  argument
117 	struct sti_conf_inptr *inptr = &sti->sti_data->inq_inptr;  in sti_inq_conf()
118 	struct sti_conf_outptr *outptr = &sti->sti_data->inq_outptr;  in sti_inq_conf()
122 	outptr->ext_ptr = STI_PTR(&sti->sti_data->inq_outptr_ext);  in sti_inq_conf()
125 		spin_lock_irqsave(&sti->lock, flags);  in sti_inq_conf()
127 		ret = sti_call(sti, sti->inq_conf, &default_conf_flags,  in sti_inq_conf()
128 			inptr, outptr, sti->glob_cfg);  in sti_inq_conf()
129 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_inq_conf()
139 sti_putc(struct sti_struct *sti, int c, int y, int x,  in sti_putc()  argument
142 	struct sti_font_inptr *inptr = &sti->sti_data->font_inptr;  in sti_putc()
145 		.index		= c_index(sti, c),  in sti_putc()
146 		.fg_color	= c_fg(sti, c),  in sti_putc()
147 		.bg_color	= c_bg(sti, c),  in sti_putc()
151 	struct sti_font_outptr *outptr = &sti->sti_data->font_outptr;  in sti_putc()
156 		spin_lock_irqsave(&sti->lock, flags);  in sti_putc()
158 		ret = sti_call(sti, sti->font_unpmv, &default_font_flags,  in sti_putc()
159 			inptr, outptr, sti->glob_cfg);  in sti_putc()
160 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_putc()
171 sti_set(struct sti_struct *sti, int src_y, int src_x,  in sti_set()  argument
174 	struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr;  in sti_set()
185 	struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr;  in sti_set()
190 		spin_lock_irqsave(&sti->lock, flags);  in sti_set()
192 		ret = sti_call(sti, sti->block_move, &clear_blkmv_flags,  in sti_set()
193 			inptr, outptr, sti->glob_cfg);  in sti_set()
194 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_set()
199 sti_clear(struct sti_struct *sti, int src_y, int src_x,  in sti_clear()  argument
202 	struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr;  in sti_clear()
204 		.fg_color	= c_fg(sti, c),  in sti_clear()
205 		.bg_color	= c_bg(sti, c),  in sti_clear()
213 	struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr;  in sti_clear()
218 		spin_lock_irqsave(&sti->lock, flags);  in sti_clear()
220 		ret = sti_call(sti, sti->block_move, &clear_blkmv_flags,  in sti_clear()
221 			inptr, outptr, sti->glob_cfg);  in sti_clear()
222 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_clear()
231 sti_bmove(struct sti_struct *sti, int src_y, int src_x,  in sti_bmove()  argument
235 	struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr;  in sti_bmove()
244 	struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr;  in sti_bmove()
249 		spin_lock_irqsave(&sti->lock, flags);  in sti_bmove()
251 		ret = sti_call(sti, sti->block_move, &default_blkmv_flags,  in sti_bmove()
252 			inptr, outptr, sti->glob_cfg);  in sti_bmove()
253 		spin_unlock_irqrestore(&sti->lock, flags);  in sti_bmove()
298 /*	Assuming the machine has multiple STI consoles (=graphic cards) which
300  *	parameter sti=<x> which of them will be the initial boot-console.
302  *	STI screen.
304 __setup("sti=", sti_setup);
321 	 *    the first HP STI ROM built-in font..  in sti_font_setup()
349  *		most STI ROMs have built-in HP specific fonts, which can be selected
351  *		NOTE: This number is machine and STI ROM dependend.
401 static void sti_dump_outptr(struct sti_struct *sti)  in sti_dump_outptr()  argument
407 		 sti->sti_data->inq_outptr.bits_per_pixel,  in sti_dump_outptr()
408 		 sti->sti_data->inq_outptr.bits_used,  in sti_dump_outptr()
409 		 sti->sti_data->inq_outptr.planes,  in sti_dump_outptr()
410 		 sti->sti_data->inq_outptr.attributes);  in sti_dump_outptr()
413 static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address,  in sti_init_glob_cfg()  argument
422 	if (sti->sti_mem_request < 256)  in sti_init_glob_cfg()
423 		sti->sti_mem_request = 256; /* STI default */  in sti_init_glob_cfg()
425 	size = sizeof(struct sti_all_data) + sti->sti_mem_request - 256;  in sti_init_glob_cfg()
427 	sti->sti_data = kzalloc(size, STI_LOWMEM);  in sti_init_glob_cfg()
428 	if (!sti->sti_data)  in sti_init_glob_cfg()
431 	glob_cfg	= &sti->sti_data->glob_cfg;  in sti_init_glob_cfg()
432 	glob_cfg_ext	= &sti->sti_data->glob_cfg_ext;  in sti_init_glob_cfg()
433 	save_addr	= &sti->sti_data->save_addr;  in sti_init_glob_cfg()
434 	sti_mem_addr	= &sti->sti_data->sti_mem_addr;  in sti_init_glob_cfg()
441 		if (sti->pd) {  in sti_init_glob_cfg()
442 			unsigned char offs = sti->rm_entry[i];  in sti_init_glob_cfg()
449 				pr_warn("STI pci region mapping for region %d (%02x) can't be mapped\n",  in sti_init_glob_cfg()
450 					i,sti->rm_entry[i]);  in sti_init_glob_cfg()
453 			newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4);  in sti_init_glob_cfg()
457 		sti->regions_phys[i] =  in sti_init_glob_cfg()
458 			REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa);  in sti_init_glob_cfg()
460 		len = sti->regions[i].region_desc.length * 4096;  in sti_init_glob_cfg()
462 			glob_cfg->region_ptrs[i] = sti->regions_phys[i];  in sti_init_glob_cfg()
466 			i, sti->regions_phys[i], glob_cfg->region_ptrs[i],  in sti_init_glob_cfg()
468 			sti->regions[i].region_desc.btlb,  in sti_init_glob_cfg()
469 			sti->regions[i].region_desc.sys_only,  in sti_init_glob_cfg()
470 			sti->regions[i].region_desc.cache,   in sti_init_glob_cfg()
471 			sti->regions[i].region_desc.last);  in sti_init_glob_cfg()
474 		if (sti->regions[i].region_desc.last)  in sti_init_glob_cfg()
478 	if (++i<8 && sti->regions[i].region)  in sti_init_glob_cfg()
480 			sti->regions[i].region);  in sti_init_glob_cfg()
484 	sti->glob_cfg = glob_cfg;  in sti_init_glob_cfg()
613 static void sti_dump_rom(struct sti_struct *sti)  in sti_dump_rom()  argument
615 	struct sti_rom *rom = sti->rom->raw;  in sti_dump_rom()
632 	font_start = sti->rom->font_start;  in sti_dump_rom()
681 void sti_font_convert_bytemode(struct sti_struct *sti, struct sti_cooked_font *f)  in sti_font_convert_bytemode()  argument
687 	if (sti->wordmode)  in sti_font_convert_bytemode()
772 static int sti_read_rom(int wordmode, struct sti_struct *sti,  in sti_read_rom()  argument
792 		pr_warn("No font found for STI at %08lx\n", address);  in sti_read_rom()
797 		memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions));  in sti_read_rom()
801 	pr_info("STI %s ROM supports 32 %sbit firmware functions.\n",  in sti_read_rom()
806 	sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff);  in sti_read_rom()
807 	sti->block_move = address + (raw->block_move & 0x03ffffff);  in sti_read_rom()
808 	sti->init_graph = address + (raw->init_graph & 0x03ffffff);  in sti_read_rom()
809 	sti->inq_conf   = address + (raw->inq_conf   & 0x03ffffff);  in sti_read_rom()
811 	sti->rom = cooked;  in sti_read_rom()
812 	sti->rom->raw = raw;  in sti_read_rom()
813 	sti_dump_rom(sti);  in sti_read_rom()
815 	sti->wordmode = wordmode;  in sti_read_rom()
816 	sti->font = sti_select_font(sti->rom);  in sti_read_rom()
817 	sti->font->width = sti->font->raw->width;  in sti_read_rom()
818 	sti->font->height = sti->font->raw->height;  in sti_read_rom()
819 	sti_font_convert_bytemode(sti, sti->font);  in sti_read_rom()
820 	sti_dump_font(sti->font);  in sti_read_rom()
822 	sti->sti_mem_request = raw->sti_mem_req;  in sti_read_rom()
823 	sti->graphics_id[0] = raw->graphics_id[0];  in sti_read_rom()
824 	sti->graphics_id[1] = raw->graphics_id[1];  in sti_read_rom()
827 	if (wordmode || sti->graphics_id[1] != 0x09A02587)  in sti_read_rom()
832 	switch (sti->graphics_id[0]) {  in sti_read_rom()
850 	pr_warn("Sorry, this GSC/STI card is not yet supported.\n");  in sti_read_rom()
864 	struct sti_struct *sti;  in sti_try_rom_generic()  local
869 		pr_warn("maximum number of STI ROMS reached !\n");  in sti_try_rom_generic()
873 	sti = kzalloc(sizeof(*sti), GFP_KERNEL);  in sti_try_rom_generic()
874 	if (!sti)  in sti_try_rom_generic()
877 	spin_lock_init(&sti->lock);  in sti_try_rom_generic()
881 	 * to read the hpa is okay, for romless sti */  in sti_try_rom_generic()
895 			pr_warn("PCI ROM is not a STI ROM type image (0x%8x)\n", i);  in sti_try_rom_generic()
899 		sti->pd = pd;  in sti_try_rom_generic()
907 			rm = (u32*) &sti->rm_entry;  in sti_try_rom_generic()
915 		pr_debug("sig %04x, PCI STI ROM at %08lx\n", sig, address);  in sti_try_rom_generic()
924 		ok = sti_read_rom(0, sti, address);  in sti_try_rom_generic()
930 		ok = sti_read_rom(1, sti, address);  in sti_try_rom_generic()
936 	if (sti_init_glob_cfg(sti, address, hpa))  in sti_try_rom_generic()
939 	/* disable STI PCI ROM. ROM and card RAM overlap and  in sti_try_rom_generic()
942 	if (sti->pd) {  in sti_try_rom_generic()
944 		rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE);	  in sti_try_rom_generic()
945 		pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE);  in sti_try_rom_generic()
946 		pr_debug("STI PCI ROM disabled\n");  in sti_try_rom_generic()
949 	if (sti_init_graph(sti))  in sti_try_rom_generic()
952 	sti_inq_conf(sti);  in sti_try_rom_generic()
953 	sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request);  in sti_try_rom_generic()
954 	sti_dump_outptr(sti);  in sti_try_rom_generic()
957 		sti->sti_data->inq_outptr.dev_name);  in sti_try_rom_generic()
959 	sti_roms[num_sti_roms] = sti;  in sti_try_rom_generic()
962 	return sti;  in sti_try_rom_generic()
965 	kfree(sti);  in sti_try_rom_generic()
969 static void sticore_check_for_default_sti(struct sti_struct *sti, char *path)  in sticore_check_for_default_sti()  argument
971 	pr_info("    located at [%s]\n", sti->pa_path);  in sticore_check_for_default_sti()
973 		default_sti = sti;  in sticore_check_for_default_sti()
983 	struct sti_struct *sti = NULL;  in sticore_pa_init()  local
987 		sti = sti_try_rom_generic(dev->addr[0], hpa, NULL);  in sticore_pa_init()
988 	if (!sti)  in sticore_pa_init()
989 		sti = sti_try_rom_generic(hpa, hpa, NULL);  in sticore_pa_init()
990 	if (!sti)  in sticore_pa_init()
991 		sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL);  in sticore_pa_init()
992 	if (!sti)  in sticore_pa_init()
995 	print_pa_hwpath(dev, sti->pa_path);  in sticore_pa_init()
996 	sticore_check_for_default_sti(sti, sti->pa_path);  in sticore_pa_init()
1007 	struct sti_struct *sti;  in sticore_pci_init()  local
1021 		pr_debug("STI PCI ROM enabled at 0x%08lx\n", rom_base);  in sticore_pci_init()
1024 	pr_info("STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n",  in sticore_pci_init()
1027 	pr_debug("Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n",  in sticore_pci_init()
1030 	sti = sti_try_rom_generic(rom_base, fb_base, pd);  in sticore_pci_init()
1031 	if (sti) {  in sticore_pci_init()
1032 		print_pci_hwpath(pd, sti->pa_path);  in sticore_pci_init()
1033 		sticore_check_for_default_sti(sti, sti->pa_path);  in sticore_pci_init()
1036 	if (!sti) {  in sticore_pci_init()
1037 		pr_warn("Unable to handle STI device '%s'\n", pci_name(pd));  in sticore_pci_init()
1063 	.name		= "sti",
1077 	.name		= "sti",
1084  * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[]
1096 	pr_info("STI GSC/PCI core graphics driver "  in sti_init_roms()
1103 	/* if we didn't find the given default sti, take the first one */  in sti_init_roms()
1110  * index = 0 gives default sti
1129 int sti_call(const struct sti_struct *sti, unsigned long func,  in sti_call()  argument
1140 	/* Check for overflow when using 32bit STI on 64bit kernel. */  in sti_call()
1155 	struct sti_struct *sti;  in fb_is_primary_device()  local
1157 	sti = sti_get_rom(0);  in fb_is_primary_device()
1160 	if (!sti)  in fb_is_primary_device()
1164 	return (sti->info == info);  in fb_is_primary_device()
1170 MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines");