| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| James Simmons | 3143 | 58.71% | 6 | 19.35% |
| Linus Torvalds (pre-git) | 1387 | 25.91% | 1 | 3.23% |
| Helge Deller | 647 | 12.09% | 7 | 22.58% |
| Matthew Wilcox | 116 | 2.17% | 5 | 16.13% |
| Adrian Bunk | 15 | 0.28% | 1 | 3.23% |
| Kyle McMartin | 14 | 0.26% | 1 | 3.23% |
| Antonino A. Daplas | 13 | 0.24% | 2 | 6.45% |
| Rolf Eike Beer | 6 | 0.11% | 1 | 3.23% |
| Thomas Gleixner | 4 | 0.07% | 1 | 3.23% |
| OGAWA Hirofumi | 2 | 0.04% | 1 | 3.23% |
| Kees Cook | 2 | 0.04% | 1 | 3.23% |
| Benjamin Collins | 1 | 0.02% | 1 | 3.23% |
| Linus Torvalds | 1 | 0.02% | 1 | 3.23% |
| Tomi Valkeinen | 1 | 0.02% | 1 | 3.23% |
| André Goddard Rosa | 1 | 0.02% | 1 | 3.23% |
| Total | 5353 | 31 |
/* * linux/drivers/video/console/sticore.c - * core code for console driver using HP's STI firmware * * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> * Copyright (C) 2001-2013 Helge Deller <deller@gmx.de> * Copyright (C) 2001-2002 Thomas Bogendoerfer <tsbogend@alpha.franken.de> * * TODO: * - call STI in virtual mode rather than in real mode * - screen blanking with state_mgmt() in text mode STI ? * - try to make it work on m68k hp workstations ;) * */ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/font.h> #include <asm/hardware.h> #include <asm/page.h> #include <asm/parisc-device.h> #include <asm/pdc.h> #include <asm/cacheflush.h> #include <asm/grfioctl.h> #include "../fbdev/sticore.h" #define STI_DRIVERVERSION "Version 0.9b" static struct sti_struct *default_sti __read_mostly; /* number of STI ROMS found and their ptrs to each struct */ static int num_sti_roms __read_mostly; static struct sti_struct *sti_roms[MAX_STI_ROMS] __read_mostly; /* The colour indices used by STI are * 0 - Black * 1 - White * 2 - Red * 3 - Yellow/Brown * 4 - Green * 5 - Cyan * 6 - Blue * 7 - Magenta * * So we have the same colours as VGA (basically one bit each for R, G, B), * but have to translate them, anyway. */ static const u8 col_trans[8] = { 0, 6, 4, 5, 2, 7, 3, 1 }; #define c_fg(sti, c) col_trans[((c>> 8) & 7)] #define c_bg(sti, c) col_trans[((c>>11) & 7)] #define c_index(sti, c) ((c) & 0xff) static const struct sti_init_flags default_init_flags = { .wait = STI_WAIT, .reset = 1, .text = 1, .nontext = 1, .no_chg_bet = 1, .no_chg_bei = 1, .init_cmap_tx = 1, }; static int sti_init_graph(struct sti_struct *sti) { struct sti_init_inptr *inptr = &sti->sti_data->init_inptr; struct sti_init_inptr_ext *inptr_ext = &sti->sti_data->init_inptr_ext; struct sti_init_outptr *outptr = &sti->sti_data->init_outptr; unsigned long flags; int ret, err; spin_lock_irqsave(&sti->lock, flags); memset(inptr, 0, sizeof(*inptr)); inptr->text_planes = 3; /* # of text planes (max 3 for STI) */ memset(inptr_ext, 0, sizeof(*inptr_ext)); inptr->ext_ptr = STI_PTR(inptr_ext); outptr->errno = 0; ret = sti_call(sti, sti->init_graph, &default_init_flags, inptr, outptr, sti->glob_cfg); if (ret >= 0) sti->text_planes = outptr->text_planes; err = outptr->errno; spin_unlock_irqrestore(&sti->lock, flags); if (ret < 0) { pr_err("STI init_graph failed (ret %d, errno %d)\n", ret, err); return -1; } return 0; } static const struct sti_conf_flags default_conf_flags = { .wait = STI_WAIT, }; static void sti_inq_conf(struct sti_struct *sti) { struct sti_conf_inptr *inptr = &sti->sti_data->inq_inptr; struct sti_conf_outptr *outptr = &sti->sti_data->inq_outptr; unsigned long flags; s32 ret; outptr->ext_ptr = STI_PTR(&sti->sti_data->inq_outptr_ext); do { spin_lock_irqsave(&sti->lock, flags); memset(inptr, 0, sizeof(*inptr)); ret = sti_call(sti, sti->inq_conf, &default_conf_flags, inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_font_flags default_font_flags = { .wait = STI_WAIT, .non_text = 0, }; void sti_putc(struct sti_struct *sti, int c, int y, int x) { struct sti_font_inptr *inptr = &sti->sti_data->font_inptr; struct sti_font_inptr inptr_default = { .font_start_addr= STI_PTR(sti->font->raw), .index = c_index(sti, c), .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .dest_x = x * sti->font_width, .dest_y = y * sti->font_height, }; struct sti_font_outptr *outptr = &sti->sti_data->font_outptr; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); *inptr = inptr_default; ret = sti_call(sti, sti->font_unpmv, &default_font_flags, inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags clear_blkmv_flags = { .wait = STI_WAIT, .color = 1, .clear = 1, }; void sti_set(struct sti_struct *sti, int src_y, int src_x, int height, int width, u8 color) { struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; struct sti_blkmv_inptr inptr_default = { .fg_color = color, .bg_color = color, .src_x = src_x, .src_y = src_y, .dest_x = src_x, .dest_y = src_y, .width = width, .height = height, }; struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); *inptr = inptr_default; ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } void sti_clear(struct sti_struct *sti, int src_y, int src_x, int height, int width, int c) { struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; struct sti_blkmv_inptr inptr_default = { .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = src_x * sti->font_width, .dest_y = src_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); *inptr = inptr_default; ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags default_blkmv_flags = { .wait = STI_WAIT, }; void sti_bmove(struct sti_struct *sti, int src_y, int src_x, int dst_y, int dst_x, int height, int width) { struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; struct sti_blkmv_inptr inptr_default = { .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = dst_x * sti->font_width, .dest_y = dst_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); *inptr = inptr_default; ret = sti_call(sti, sti->block_move, &default_blkmv_flags, inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static void sti_flush(unsigned long start, unsigned long end) { flush_icache_range(start, end); } static void sti_rom_copy(unsigned long base, unsigned long count, void *dest) { unsigned long dest_start = (unsigned long) dest; /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ while (count >= 4) { count -= 4; *(u32 *)dest = gsc_readl(base); base += 4; dest += 4; } while (count) { count--; *(u8 *)dest = gsc_readb(base); base++; dest++; } sti_flush(dest_start, (unsigned long)dest); } static char default_sti_path[21] __read_mostly; #ifndef MODULE static int __init sti_setup(char *str) { if (str) strlcpy (default_sti_path, str, sizeof (default_sti_path)); return 1; } /* Assuming the machine has multiple STI consoles (=graphic cards) which * all get detected by sticon, the user may define with the linux kernel * parameter sti=<x> which of them will be the initial boot-console. * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default * STI screen. */ __setup("sti=", sti_setup); #endif static char *font_name[MAX_STI_ROMS]; static int font_index[MAX_STI_ROMS], font_height[MAX_STI_ROMS], font_width[MAX_STI_ROMS]; #ifndef MODULE static int sti_font_setup(char *str) { char *x; int i = 0; /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 * or sti_font=7 style command lines. */ while (i<MAX_STI_ROMS && str && *str) { if (*str>='0' && *str<='9') { if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { font_height[i] = simple_strtoul(str, NULL, 0); font_width[i] = simple_strtoul(x+1, NULL, 0); } else { font_index[i] = simple_strtoul(str, NULL, 0); } } else { font_name[i] = str; /* fb font name */ } if ((x = strchr(str, ','))) *x++ = 0; str = x; i++; } return 1; } /* The optional linux kernel parameter "sti_font" defines which font * should be used by the sticon driver to draw characters to the screen. * Possible values are: * - sti_font=<fb_fontname>: * <fb_fontname> is the name of one of the linux-kernel built-in * framebuffer font names (e.g. VGA8x16, SUN22x18). * This is only available if the fonts have been statically compiled * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options. * - sti_font=<number> * most STI ROMs have built-in HP specific fonts, which can be selected * by giving the desired number to the sticon driver. * NOTE: This number is machine and STI ROM dependend. * - sti_font=<height>x<width> (e.g. sti_font=16x8) * <height> and <width> gives hints to the height and width of the * font which the user wants. The sticon driver will try to use * a font with this height and width, but if no suitable font is * found, sticon will use the default 8x8 font. */ __setup("sti_font=", sti_font_setup); #endif static void sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request) { struct sti_glob_cfg_ext *cfg; DPRINTK((KERN_INFO "%d text planes\n" "%4d x %4d screen resolution\n" "%4d x %4d offscreen\n" "%4d x %4d layout\n" "regions at %08x %08x %08x %08x\n" "regions at %08x %08x %08x %08x\n" "reent_lvl %d\n" "save_addr %08x\n", glob_cfg->text_planes, glob_cfg->onscreen_x, glob_cfg->onscreen_y, glob_cfg->offscreen_x, glob_cfg->offscreen_y, glob_cfg->total_x, glob_cfg->total_y, glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], glob_cfg->reent_lvl, glob_cfg->save_addr)); /* dump extended cfg */ cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr); DPRINTK(( KERN_INFO "monitor %d\n" "in friendly mode: %d\n" "power consumption %d watts\n" "freq ref %d\n" "sti_mem_addr %08x (size=%d bytes)\n", cfg->curr_mon, cfg->friendly_boot, cfg->power, cfg->freq_ref, cfg->sti_mem_addr, sti_mem_request)); } static void sti_dump_outptr(struct sti_struct *sti) { DPRINTK((KERN_INFO "%d bits per pixel\n" "%d used bits\n" "%d planes\n" "attributes %08x\n", sti->sti_data->inq_outptr.bits_per_pixel, sti->sti_data->inq_outptr.bits_used, sti->sti_data->inq_outptr.planes, sti->sti_data->inq_outptr.attributes)); } static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address, unsigned long hpa) { struct sti_glob_cfg *glob_cfg; struct sti_glob_cfg_ext *glob_cfg_ext; void *save_addr; void *sti_mem_addr; int i, size; if (sti->sti_mem_request < 256) sti->sti_mem_request = 256; /* STI default */ size = sizeof(struct sti_all_data) + sti->sti_mem_request - 256; sti->sti_data = kzalloc(size, STI_LOWMEM); if (!sti->sti_data) return -ENOMEM; glob_cfg = &sti->sti_data->glob_cfg; glob_cfg_ext = &sti->sti_data->glob_cfg_ext; save_addr = &sti->sti_data->save_addr; sti_mem_addr = &sti->sti_data->sti_mem_addr; glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext); glob_cfg->save_addr = STI_PTR(save_addr); for (i=0; i<8; i++) { unsigned long newhpa, len; if (sti->pd) { unsigned char offs = sti->rm_entry[i]; if (offs == 0) continue; if (offs != PCI_ROM_ADDRESS && (offs < PCI_BASE_ADDRESS_0 || offs > PCI_BASE_ADDRESS_5)) { printk (KERN_WARNING "STI pci region mapping for region %d (%02x) can't be mapped\n", i,sti->rm_entry[i]); continue; } newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4); } else newhpa = (i == 0) ? rom_address : hpa; sti->regions_phys[i] = REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa); len = sti->regions[i].region_desc.length * 4096; if (len) glob_cfg->region_ptrs[i] = sti->regions_phys[i]; DPRINTK(("region #%d: phys %08lx, region_ptr %08x, len=%lukB, " "btlb=%d, sysonly=%d, cache=%d, last=%d\n", i, sti->regions_phys[i], glob_cfg->region_ptrs[i], len/1024, sti->regions[i].region_desc.btlb, sti->regions[i].region_desc.sys_only, sti->regions[i].region_desc.cache, sti->regions[i].region_desc.last)); /* last entry reached ? */ if (sti->regions[i].region_desc.last) break; } if (++i<8 && sti->regions[i].region) printk(KERN_WARNING "%s: *future ptr (0x%8x) not yet supported !\n", __FILE__, sti->regions[i].region); glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr); sti->glob_cfg = glob_cfg; return 0; } #ifdef CONFIG_FONT_SUPPORT static struct sti_cooked_font * sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) { const struct font_desc *fbfont = NULL; unsigned int size, bpc; void *dest; struct sti_rom_font *nf; struct sti_cooked_font *cooked_font; if (fbfont_name && strlen(fbfont_name)) fbfont = find_font(fbfont_name); if (!fbfont) fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0); if (!fbfont) return NULL; pr_info("STI selected %dx%d framebuffer font %s for sticon\n", fbfont->width, fbfont->height, fbfont->name); bpc = ((fbfont->width+7)/8) * fbfont->height; size = bpc * 256; size += sizeof(struct sti_rom_font); nf = kzalloc(size, STI_LOWMEM); if (!nf) return NULL; nf->first_char = 0; nf->last_char = 255; nf->width = fbfont->width; nf->height = fbfont->height; nf->font_type = STI_FONT_HPROMAN8; nf->bytes_per_char = bpc; nf->next_font = 0; nf->underline_height = 1; nf->underline_pos = fbfont->height - nf->underline_height; dest = nf; dest += sizeof(struct sti_rom_font); memcpy(dest, fbfont->data, bpc*256); cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); if (!cooked_font) { kfree(nf); return NULL; } cooked_font->raw = nf; cooked_font->next_font = NULL; cooked_rom->font_start = cooked_font; return cooked_font; } #else static struct sti_cooked_font * sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) { return NULL; } #endif static struct sti_cooked_font *sti_select_font(struct sti_cooked_rom *rom, int (*search_font_fnc)(struct sti_cooked_rom *, int, int)) { struct sti_cooked_font *font; int i; int index = num_sti_roms; /* check for framebuffer-font first */ if ((font = sti_select_fbfont(rom, font_name[index]))) return font; if (font_width[index] && font_height[index]) font_index[index] = search_font_fnc(rom, font_height[index], font_width[index]); for (font = rom->font_start, i = font_index[index]; font && (i > 0); font = font->next_font, i--); if (font) return font; else return rom->font_start; } static void sti_dump_rom(struct sti_rom *rom) { printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n", rom->graphics_id[0], rom->graphics_id[1], rom->revno[0] >> 4, rom->revno[0] & 0x0f); DPRINTK((" supports %d monitors\n", rom->num_mons)); DPRINTK((" font start %08x\n", rom->font_start)); DPRINTK((" region list %08x\n", rom->region_list)); DPRINTK((" init_graph %08x\n", rom->init_graph)); DPRINTK((" bus support %02x\n", rom->bus_support)); DPRINTK((" ext bus support %02x\n", rom->ext_bus_support)); DPRINTK((" alternate code type %d\n", rom->alt_code_type)); } static int sti_cook_fonts(struct sti_cooked_rom *cooked_rom, struct sti_rom *raw_rom) { struct sti_rom_font *raw_font, *font_start; struct sti_cooked_font *cooked_font; cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); if (!cooked_font) return 0; cooked_rom->font_start = cooked_font; raw_font = ((void *)raw_rom) + (raw_rom->font_start); font_start = raw_font; cooked_font->raw = raw_font; while (raw_font->next_font) { raw_font = ((void *)font_start) + (raw_font->next_font); cooked_font->next_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); if (!cooked_font->next_font) return 1; cooked_font = cooked_font->next_font; cooked_font->raw = raw_font; } cooked_font->next_font = NULL; return 1; } static int sti_search_font(struct sti_cooked_rom *rom, int height, int width) { struct sti_cooked_font *font; int i = 0; for (font = rom->font_start; font; font = font->next_font, i++) { if ((font->raw->width == width) && (font->raw->height == height)) return i; } return 0; } #define BMODE_RELOCATE(offset) offset = (offset) / 4; #define BMODE_LAST_ADDR_OFFS 0x50 static void *sti_bmode_font_raw(struct sti_cooked_font *f) { unsigned char *n, *p, *q; int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font); n = kcalloc(4, size, STI_LOWMEM); if (!n) return NULL; p = n + 3; q = (unsigned char *)f->raw; while (size--) { *p = *q++; p+=4; } return n + 3; } static void sti_bmode_rom_copy(unsigned long base, unsigned long count, void *dest) { unsigned long dest_start = (unsigned long) dest; while (count) { count--; *(u8 *)dest = gsc_readl(base); base += 4; dest++; } sti_flush(dest_start, (unsigned long)dest); } static struct sti_rom *sti_get_bmode_rom (unsigned long address) { struct sti_rom *raw; u32 size; struct sti_rom_font *raw_font, *font_start; sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size); size = (size+3) / 4; raw = kmalloc(size, STI_LOWMEM); if (raw) { sti_bmode_rom_copy(address, size, raw); memmove (&raw->res004, &raw->type[0], 0x3c); raw->type[3] = raw->res004; BMODE_RELOCATE (raw->region_list); BMODE_RELOCATE (raw->font_start); BMODE_RELOCATE (raw->init_graph); BMODE_RELOCATE (raw->state_mgmt); BMODE_RELOCATE (raw->font_unpmv); BMODE_RELOCATE (raw->block_move); BMODE_RELOCATE (raw->inq_conf); raw_font = ((void *)raw) + raw->font_start; font_start = raw_font; while (raw_font->next_font) { BMODE_RELOCATE (raw_font->next_font); raw_font = ((void *)font_start) + raw_font->next_font; } } return raw; } static struct sti_rom *sti_get_wmode_rom(unsigned long address) { struct sti_rom *raw; unsigned long size; /* read the ROM size directly from the struct in ROM */ size = gsc_readl(address + offsetof(struct sti_rom,last_addr)); raw = kmalloc(size, STI_LOWMEM); if (raw) sti_rom_copy(address, size, raw); return raw; } static int sti_read_rom(int wordmode, struct sti_struct *sti, unsigned long address) { struct sti_cooked_rom *cooked; struct sti_rom *raw = NULL; unsigned long revno; cooked = kmalloc(sizeof *cooked, GFP_KERNEL); if (!cooked) goto out_err; if (wordmode) raw = sti_get_wmode_rom (address); else raw = sti_get_bmode_rom (address); if (!raw) goto out_err; if (!sti_cook_fonts(cooked, raw)) { printk(KERN_ERR "No font found for STI at %08lx\n", address); goto out_err; } if (raw->region_list) memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions)); address = (unsigned long) STI_PTR(raw); pr_info("STI ROM supports 32 %sbit firmware functions.\n", raw->alt_code_type == ALT_CODE_TYPE_PA_RISC_64 ? "and 64 " : ""); sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff); sti->block_move = address + (raw->block_move & 0x03ffffff); sti->init_graph = address + (raw->init_graph & 0x03ffffff); sti->inq_conf = address + (raw->inq_conf & 0x03ffffff); sti->rom = cooked; sti->rom->raw = raw; sti->font = sti_select_font(sti->rom, sti_search_font); sti->font_width = sti->font->raw->width; sti->font_height = sti->font->raw->height; if (!wordmode) sti->font->raw = sti_bmode_font_raw(sti->font); sti->sti_mem_request = raw->sti_mem_req; sti->graphics_id[0] = raw->graphics_id[0]; sti->graphics_id[1] = raw->graphics_id[1]; sti_dump_rom(raw); /* check if the ROM routines in this card are compatible */ if (wordmode || sti->graphics_id[1] != 0x09A02587) goto ok; revno = (raw->revno[0] << 8) | raw->revno[1]; switch (sti->graphics_id[0]) { case S9000_ID_HCRX: /* HyperA or HyperB ? */ if (revno == 0x8408 || revno == 0x840b) goto msg_not_supported; break; case CRT_ID_THUNDER: if (revno == 0x8509) goto msg_not_supported; break; case CRT_ID_THUNDER2: if (revno == 0x850c) goto msg_not_supported; } ok: return 1; msg_not_supported: printk(KERN_ERR "Sorry, this GSC/STI card is not yet supported.\n"); printk(KERN_ERR "Please see http://parisc-linux.org/faq/" "graphics-howto.html for more info.\n"); /* fall through */ out_err: kfree(raw); kfree(cooked); return 0; } static struct sti_struct *sti_try_rom_generic(unsigned long address, unsigned long hpa, struct pci_dev *pd) { struct sti_struct *sti; int ok; u32 sig; if (num_sti_roms >= MAX_STI_ROMS) { printk(KERN_WARNING "maximum number of STI ROMS reached !\n"); return NULL; } sti = kzalloc(sizeof(*sti), GFP_KERNEL); if (!sti) return NULL; spin_lock_init(&sti->lock); test_rom: /* if we can't read the ROM, bail out early. Not being able * to read the hpa is okay, for romless sti */ if (pdc_add_valid(address)) goto out_err; sig = gsc_readl(address); /* check for a PCI ROM structure */ if ((le32_to_cpu(sig)==0xaa55)) { unsigned int i, rm_offset; u32 *rm; i = gsc_readl(address+0x04); if (i != 1) { /* The ROM could have multiple architecture * dependent images (e.g. i386, parisc,...) */ printk(KERN_WARNING "PCI ROM is not a STI ROM type image (0x%8x)\n", i); goto out_err; } sti->pd = pd; i = gsc_readl(address+0x0c); DPRINTK(("PCI ROM size (from header) = %d kB\n", le16_to_cpu(i>>16)*512/1024)); rm_offset = le16_to_cpu(i & 0xffff); if (rm_offset) { /* read 16 bytes from the pci region mapper array */ rm = (u32*) &sti->rm_entry; *rm++ = gsc_readl(address+rm_offset+0x00); *rm++ = gsc_readl(address+rm_offset+0x04); *rm++ = gsc_readl(address+rm_offset+0x08); *rm++ = gsc_readl(address+rm_offset+0x0c); DPRINTK(("PCI region Mapper offset = %08x: ", rm_offset)); for (i=0; i<16; i++) DPRINTK(("%02x ", sti->rm_entry[i])); DPRINTK(("\n")); } address += le32_to_cpu(gsc_readl(address+8)); DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address)); goto test_rom; } ok = 0; if ((sig & 0xff) == 0x01) { DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n", address, hpa)); ok = sti_read_rom(0, sti, address); } if ((sig & 0xffff) == 0x0303) { DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n", address, hpa)); ok = sti_read_rom(1, sti, address); } if (!ok) goto out_err; if (sti_init_glob_cfg(sti, address, hpa)) goto out_err; /* not enough memory */ /* disable STI PCI ROM. ROM and card RAM overlap and * leaving it enabled would force HPMCs */ if (sti->pd) { unsigned long rom_base; rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE); pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE); DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n")); } if (sti_init_graph(sti)) goto out_err; sti_inq_conf(sti); sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request); sti_dump_outptr(sti); pr_info(" graphics card name: %s\n", sti->sti_data->inq_outptr.dev_name); sti_roms[num_sti_roms] = sti; num_sti_roms++; return sti; out_err: kfree(sti); return NULL; } static void sticore_check_for_default_sti(struct sti_struct *sti, char *path) { if (strcmp (path, default_sti_path) == 0) default_sti = sti; } /* * on newer systems PDC gives the address of the ROM * in the additional address field addr[1] while on * older Systems the PDC stores it in page0->proc_sti */ static int __init sticore_pa_init(struct parisc_device *dev) { char pa_path[21]; struct sti_struct *sti = NULL; int hpa = dev->hpa.start; if (dev->num_addrs && dev->addr[0]) sti = sti_try_rom_generic(dev->addr[0], hpa, NULL); if (!sti) sti = sti_try_rom_generic(hpa, hpa, NULL); if (!sti) sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL); if (!sti) return 1; print_pa_hwpath(dev, pa_path); sticore_check_for_default_sti(sti, pa_path); return 0; } static int sticore_pci_init(struct pci_dev *pd, const struct pci_device_id *ent) { #ifdef CONFIG_PCI unsigned long fb_base, rom_base; unsigned int fb_len, rom_len; int err; struct sti_struct *sti; err = pci_enable_device(pd); if (err < 0) { dev_err(&pd->dev, "Cannot enable PCI device\n"); return err; } fb_base = pci_resource_start(pd, 0); fb_len = pci_resource_len(pd, 0); rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE); rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE); if (rom_base) { pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE); DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base)); } printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n", rom_base, rom_len/1024, fb_base, fb_len/1024/1024); DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n", rom_base, fb_base)); sti = sti_try_rom_generic(rom_base, fb_base, pd); if (sti) { char pa_path[30]; print_pci_hwpath(pd, pa_path); sticore_check_for_default_sti(sti, pa_path); } if (!sti) { printk(KERN_WARNING "Unable to handle STI device '%s'\n", pci_name(pd)); return -ENODEV; } #endif /* CONFIG_PCI */ return 0; } static void __exit sticore_pci_remove(struct pci_dev *pd) { BUG(); } static struct pci_device_id sti_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) }, { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) }, { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) }, { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) }, { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) }, { 0, } /* terminate list */ }; MODULE_DEVICE_TABLE(pci, sti_pci_tbl); static struct pci_driver pci_sti_driver = { .name = "sti", .id_table = sti_pci_tbl, .probe = sticore_pci_init, .remove = __exit_p(sticore_pci_remove), }; static struct parisc_device_id sti_pa_tbl[] = { { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 }, { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 }, { 0, } }; MODULE_DEVICE_TABLE(parisc, sti_pa_tbl); static struct parisc_driver pa_sti_driver __refdata = { .name = "sti", .id_table = sti_pa_tbl, .probe = sticore_pa_init, }; /* * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[] */ static int sticore_initialized __read_mostly; static void sti_init_roms(void) { if (sticore_initialized) return; sticore_initialized = 1; printk(KERN_INFO "STI GSC/PCI core graphics driver " STI_DRIVERVERSION "\n"); /* Register drivers for native & PCI cards */ register_parisc_driver(&pa_sti_driver); WARN_ON(pci_register_driver(&pci_sti_driver)); /* if we didn't find the given default sti, take the first one */ if (!default_sti) default_sti = sti_roms[0]; } /* * index = 0 gives default sti * index > 0 gives other stis in detection order */ struct sti_struct * sti_get_rom(unsigned int index) { if (!sticore_initialized) sti_init_roms(); if (index == 0) return default_sti; if (index > num_sti_roms) return NULL; return sti_roms[index-1]; } EXPORT_SYMBOL(sti_get_rom); int sti_call(const struct sti_struct *sti, unsigned long func, const void *flags, void *inptr, void *outptr, struct sti_glob_cfg *glob_cfg) { unsigned long _flags = STI_PTR(flags); unsigned long _inptr = STI_PTR(inptr); unsigned long _outptr = STI_PTR(outptr); unsigned long _glob_cfg = STI_PTR(glob_cfg); int ret; #ifdef CONFIG_64BIT /* Check for overflow when using 32bit STI on 64bit kernel. */ if (WARN_ONCE(_flags>>32 || _inptr>>32 || _outptr>>32 || _glob_cfg>>32, "Out of 32bit-range pointers!")) return -1; #endif ret = pdc_sti_call(func, _flags, _inptr, _outptr, _glob_cfg); return ret; } MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer"); MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines"); MODULE_LICENSE("GPL v2");
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