Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/video/console/sticore.c - |
| 3 | * core code for console driver using HP's STI firmware |
| 4 | * |
| 5 | * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 6 | * Copyright (C) 2001-2013 Helge Deller <deller@gmx.de> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * Copyright (C) 2001-2002 Thomas Bogendoerfer <tsbogend@alpha.franken.de> |
| 8 | * |
| 9 | * TODO: |
| 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 ;) |
| 13 | * |
| 14 | */ |
| 15 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
| 23 | |
| 24 | #include <asm/hardware.h> |
Rolf Eike Beer | 4a8a078 | 2012-05-10 23:08:17 +0200 | [diff] [blame] | 25 | #include <asm/page.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #include <asm/parisc-device.h> |
Rolf Eike Beer | 4a8a078 | 2012-05-10 23:08:17 +0200 | [diff] [blame] | 27 | #include <asm/pdc.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <asm/cacheflush.h> |
Helge Deller | fdac4e6 | 2008-07-29 22:33:01 -0700 | [diff] [blame] | 29 | #include <asm/grfioctl.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | |
Tomi Valkeinen | f7018c2 | 2014-02-13 15:31:38 +0200 | [diff] [blame] | 31 | #include "../fbdev/sticore.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 33 | #define STI_DRIVERVERSION "Version 0.9b" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
Adrian Bunk | 3d1e412 | 2008-07-25 19:46:26 -0700 | [diff] [blame] | 35 | static struct sti_struct *default_sti __read_mostly; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 37 | /* number of STI ROMS found and their ptrs to each struct */ |
| 38 | static int num_sti_roms __read_mostly; |
| 39 | static struct sti_struct *sti_roms[MAX_STI_ROMS] __read_mostly; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
| 41 | |
| 42 | /* The colour indices used by STI are |
| 43 | * 0 - Black |
| 44 | * 1 - White |
| 45 | * 2 - Red |
| 46 | * 3 - Yellow/Brown |
| 47 | * 4 - Green |
| 48 | * 5 - Cyan |
| 49 | * 6 - Blue |
| 50 | * 7 - Magenta |
| 51 | * |
| 52 | * So we have the same colours as VGA (basically one bit each for R, G, B), |
| 53 | * but have to translate them, anyway. */ |
| 54 | |
| 55 | static const u8 col_trans[8] = { |
| 56 | 0, 6, 4, 5, |
| 57 | 2, 7, 3, 1 |
| 58 | }; |
| 59 | |
| 60 | #define c_fg(sti, c) col_trans[((c>> 8) & 7)] |
| 61 | #define c_bg(sti, c) col_trans[((c>>11) & 7)] |
| 62 | #define c_index(sti, c) ((c) & 0xff) |
| 63 | |
| 64 | static const struct sti_init_flags default_init_flags = { |
| 65 | .wait = STI_WAIT, |
| 66 | .reset = 1, |
| 67 | .text = 1, |
| 68 | .nontext = 1, |
| 69 | .no_chg_bet = 1, |
| 70 | .no_chg_bei = 1, |
| 71 | .init_cmap_tx = 1, |
| 72 | }; |
| 73 | |
Adrian Bunk | 3d1e412 | 2008-07-25 19:46:26 -0700 | [diff] [blame] | 74 | static int sti_init_graph(struct sti_struct *sti) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | { |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 76 | struct sti_init_inptr *inptr = &sti->sti_data->init_inptr; |
| 77 | struct sti_init_inptr_ext *inptr_ext = &sti->sti_data->init_inptr_ext; |
| 78 | struct sti_init_outptr *outptr = &sti->sti_data->init_outptr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | unsigned long flags; |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 80 | int ret, err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
| 82 | spin_lock_irqsave(&sti->lock, flags); |
| 83 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 84 | memset(inptr, 0, sizeof(*inptr)); |
| 85 | inptr->text_planes = 3; /* # of text planes (max 3 for STI) */ |
| 86 | memset(inptr_ext, 0, sizeof(*inptr_ext)); |
| 87 | inptr->ext_ptr = STI_PTR(inptr_ext); |
| 88 | outptr->errno = 0; |
| 89 | |
| 90 | ret = sti_call(sti, sti->init_graph, &default_init_flags, inptr, |
| 91 | outptr, sti->glob_cfg); |
| 92 | |
| 93 | if (ret >= 0) |
| 94 | sti->text_planes = outptr->text_planes; |
| 95 | err = outptr->errno; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | |
| 97 | spin_unlock_irqrestore(&sti->lock, flags); |
| 98 | |
| 99 | if (ret < 0) { |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 100 | pr_err("STI init_graph failed (ret %d, errno %d)\n", ret, err); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | return -1; |
| 102 | } |
| 103 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | return 0; |
| 105 | } |
| 106 | |
| 107 | static const struct sti_conf_flags default_conf_flags = { |
| 108 | .wait = STI_WAIT, |
| 109 | }; |
| 110 | |
Adrian Bunk | 3d1e412 | 2008-07-25 19:46:26 -0700 | [diff] [blame] | 111 | static void sti_inq_conf(struct sti_struct *sti) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | { |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 113 | struct sti_conf_inptr *inptr = &sti->sti_data->inq_inptr; |
| 114 | struct sti_conf_outptr *outptr = &sti->sti_data->inq_outptr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | unsigned long flags; |
| 116 | s32 ret; |
| 117 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 118 | outptr->ext_ptr = STI_PTR(&sti->sti_data->inq_outptr_ext); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | |
| 120 | do { |
| 121 | spin_lock_irqsave(&sti->lock, flags); |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 122 | memset(inptr, 0, sizeof(*inptr)); |
| 123 | ret = sti_call(sti, sti->inq_conf, &default_conf_flags, |
| 124 | inptr, outptr, sti->glob_cfg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | spin_unlock_irqrestore(&sti->lock, flags); |
| 126 | } while (ret == 1); |
| 127 | } |
| 128 | |
| 129 | static const struct sti_font_flags default_font_flags = { |
| 130 | .wait = STI_WAIT, |
| 131 | .non_text = 0, |
| 132 | }; |
| 133 | |
| 134 | void |
| 135 | sti_putc(struct sti_struct *sti, int c, int y, int x) |
| 136 | { |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 137 | struct sti_font_inptr *inptr = &sti->sti_data->font_inptr; |
| 138 | struct sti_font_inptr inptr_default = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | .font_start_addr= STI_PTR(sti->font->raw), |
| 140 | .index = c_index(sti, c), |
| 141 | .fg_color = c_fg(sti, c), |
| 142 | .bg_color = c_bg(sti, c), |
| 143 | .dest_x = x * sti->font_width, |
| 144 | .dest_y = y * sti->font_height, |
| 145 | }; |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 146 | struct sti_font_outptr *outptr = &sti->sti_data->font_outptr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | s32 ret; |
| 148 | unsigned long flags; |
| 149 | |
| 150 | do { |
| 151 | spin_lock_irqsave(&sti->lock, flags); |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 152 | *inptr = inptr_default; |
| 153 | ret = sti_call(sti, sti->font_unpmv, &default_font_flags, |
| 154 | inptr, outptr, sti->glob_cfg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | spin_unlock_irqrestore(&sti->lock, flags); |
| 156 | } while (ret == 1); |
| 157 | } |
| 158 | |
| 159 | static const struct sti_blkmv_flags clear_blkmv_flags = { |
| 160 | .wait = STI_WAIT, |
| 161 | .color = 1, |
| 162 | .clear = 1, |
| 163 | }; |
| 164 | |
| 165 | void |
| 166 | sti_set(struct sti_struct *sti, int src_y, int src_x, |
| 167 | int height, int width, u8 color) |
| 168 | { |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 169 | struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; |
| 170 | struct sti_blkmv_inptr inptr_default = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | .fg_color = color, |
| 172 | .bg_color = color, |
| 173 | .src_x = src_x, |
| 174 | .src_y = src_y, |
| 175 | .dest_x = src_x, |
| 176 | .dest_y = src_y, |
| 177 | .width = width, |
| 178 | .height = height, |
| 179 | }; |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 180 | struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | s32 ret; |
| 182 | unsigned long flags; |
| 183 | |
| 184 | do { |
| 185 | spin_lock_irqsave(&sti->lock, flags); |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 186 | *inptr = inptr_default; |
| 187 | ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, |
| 188 | inptr, outptr, sti->glob_cfg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | spin_unlock_irqrestore(&sti->lock, flags); |
| 190 | } while (ret == 1); |
| 191 | } |
| 192 | |
| 193 | void |
| 194 | sti_clear(struct sti_struct *sti, int src_y, int src_x, |
| 195 | int height, int width, int c) |
| 196 | { |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 197 | struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; |
| 198 | struct sti_blkmv_inptr inptr_default = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | .fg_color = c_fg(sti, c), |
| 200 | .bg_color = c_bg(sti, c), |
| 201 | .src_x = src_x * sti->font_width, |
| 202 | .src_y = src_y * sti->font_height, |
| 203 | .dest_x = src_x * sti->font_width, |
| 204 | .dest_y = src_y * sti->font_height, |
| 205 | .width = width * sti->font_width, |
| 206 | .height = height* sti->font_height, |
| 207 | }; |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 208 | struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | s32 ret; |
| 210 | unsigned long flags; |
| 211 | |
| 212 | do { |
| 213 | spin_lock_irqsave(&sti->lock, flags); |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 214 | *inptr = inptr_default; |
| 215 | ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, |
| 216 | inptr, outptr, sti->glob_cfg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | spin_unlock_irqrestore(&sti->lock, flags); |
| 218 | } while (ret == 1); |
| 219 | } |
| 220 | |
| 221 | static const struct sti_blkmv_flags default_blkmv_flags = { |
| 222 | .wait = STI_WAIT, |
| 223 | }; |
| 224 | |
| 225 | void |
| 226 | sti_bmove(struct sti_struct *sti, int src_y, int src_x, |
| 227 | int dst_y, int dst_x, int height, int width) |
| 228 | { |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 229 | struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; |
| 230 | struct sti_blkmv_inptr inptr_default = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | .src_x = src_x * sti->font_width, |
| 232 | .src_y = src_y * sti->font_height, |
| 233 | .dest_x = dst_x * sti->font_width, |
| 234 | .dest_y = dst_y * sti->font_height, |
| 235 | .width = width * sti->font_width, |
| 236 | .height = height* sti->font_height, |
| 237 | }; |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 238 | struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | s32 ret; |
| 240 | unsigned long flags; |
| 241 | |
| 242 | do { |
| 243 | spin_lock_irqsave(&sti->lock, flags); |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 244 | *inptr = inptr_default; |
| 245 | ret = sti_call(sti, sti->block_move, &default_blkmv_flags, |
| 246 | inptr, outptr, sti->glob_cfg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | spin_unlock_irqrestore(&sti->lock, flags); |
| 248 | } while (ret == 1); |
| 249 | } |
| 250 | |
| 251 | |
Kyle McMartin | 03b18f1 | 2007-06-29 02:17:50 -0400 | [diff] [blame] | 252 | static void sti_flush(unsigned long start, unsigned long end) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | { |
Kyle McMartin | 03b18f1 | 2007-06-29 02:17:50 -0400 | [diff] [blame] | 254 | flush_icache_range(start, end); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | } |
| 256 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 257 | static void sti_rom_copy(unsigned long base, unsigned long count, void *dest) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | unsigned long dest_start = (unsigned long) dest; |
| 260 | |
| 261 | /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ |
| 262 | while (count >= 4) { |
| 263 | count -= 4; |
| 264 | *(u32 *)dest = gsc_readl(base); |
| 265 | base += 4; |
| 266 | dest += 4; |
| 267 | } |
| 268 | while (count) { |
| 269 | count--; |
| 270 | *(u8 *)dest = gsc_readb(base); |
| 271 | base++; |
| 272 | dest++; |
| 273 | } |
| 274 | |
Kyle McMartin | 03b18f1 | 2007-06-29 02:17:50 -0400 | [diff] [blame] | 275 | sti_flush(dest_start, (unsigned long)dest); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | |
| 279 | |
| 280 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 281 | static char default_sti_path[21] __read_mostly; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | |
| 283 | #ifndef MODULE |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 284 | static int sti_setup(char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | { |
| 286 | if (str) |
| 287 | strlcpy (default_sti_path, str, sizeof (default_sti_path)); |
| 288 | |
OGAWA Hirofumi | 9b41046 | 2006-03-31 02:30:33 -0800 | [diff] [blame] | 289 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | /* Assuming the machine has multiple STI consoles (=graphic cards) which |
| 293 | * all get detected by sticon, the user may define with the linux kernel |
| 294 | * parameter sti=<x> which of them will be the initial boot-console. |
| 295 | * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default |
| 296 | * STI screen. |
| 297 | */ |
| 298 | __setup("sti=", sti_setup); |
| 299 | #endif |
| 300 | |
| 301 | |
| 302 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 303 | static char *font_name[MAX_STI_ROMS]; |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 304 | static int font_index[MAX_STI_ROMS], |
| 305 | font_height[MAX_STI_ROMS], |
| 306 | font_width[MAX_STI_ROMS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | #ifndef MODULE |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 308 | static int sti_font_setup(char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | { |
| 310 | char *x; |
| 311 | int i = 0; |
| 312 | |
| 313 | /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 |
| 314 | * or sti_font=7 style command lines. */ |
| 315 | |
| 316 | while (i<MAX_STI_ROMS && str && *str) { |
| 317 | if (*str>='0' && *str<='9') { |
| 318 | if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { |
| 319 | font_height[i] = simple_strtoul(str, NULL, 0); |
| 320 | font_width[i] = simple_strtoul(x+1, NULL, 0); |
| 321 | } else { |
| 322 | font_index[i] = simple_strtoul(str, NULL, 0); |
| 323 | } |
| 324 | } else { |
| 325 | font_name[i] = str; /* fb font name */ |
| 326 | } |
| 327 | |
| 328 | if ((x = strchr(str, ','))) |
| 329 | *x++ = 0; |
| 330 | str = x; |
| 331 | |
| 332 | i++; |
| 333 | } |
| 334 | |
OGAWA Hirofumi | 9b41046 | 2006-03-31 02:30:33 -0800 | [diff] [blame] | 335 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | /* The optional linux kernel parameter "sti_font" defines which font |
| 339 | * should be used by the sticon driver to draw characters to the screen. |
| 340 | * Possible values are: |
| 341 | * - sti_font=<fb_fontname>: |
| 342 | * <fb_fontname> is the name of one of the linux-kernel built-in |
| 343 | * framebuffer font names (e.g. VGA8x16, SUN22x18). |
| 344 | * This is only available if the fonts have been statically compiled |
| 345 | * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options. |
| 346 | * - sti_font=<number> |
| 347 | * most STI ROMs have built-in HP specific fonts, which can be selected |
| 348 | * by giving the desired number to the sticon driver. |
| 349 | * NOTE: This number is machine and STI ROM dependend. |
| 350 | * - sti_font=<height>x<width> (e.g. sti_font=16x8) |
| 351 | * <height> and <width> gives hints to the height and width of the |
| 352 | * font which the user wants. The sticon driver will try to use |
| 353 | * a font with this height and width, but if no suitable font is |
| 354 | * found, sticon will use the default 8x8 font. |
| 355 | */ |
| 356 | __setup("sti_font=", sti_font_setup); |
| 357 | #endif |
| 358 | |
| 359 | |
| 360 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 361 | static void sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, |
| 362 | unsigned int sti_mem_request) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | { |
| 364 | struct sti_glob_cfg_ext *cfg; |
| 365 | |
| 366 | DPRINTK((KERN_INFO |
| 367 | "%d text planes\n" |
| 368 | "%4d x %4d screen resolution\n" |
| 369 | "%4d x %4d offscreen\n" |
| 370 | "%4d x %4d layout\n" |
| 371 | "regions at %08x %08x %08x %08x\n" |
| 372 | "regions at %08x %08x %08x %08x\n" |
| 373 | "reent_lvl %d\n" |
| 374 | "save_addr %08x\n", |
| 375 | glob_cfg->text_planes, |
| 376 | glob_cfg->onscreen_x, glob_cfg->onscreen_y, |
| 377 | glob_cfg->offscreen_x, glob_cfg->offscreen_y, |
| 378 | glob_cfg->total_x, glob_cfg->total_y, |
| 379 | glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], |
| 380 | glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], |
| 381 | glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], |
| 382 | glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], |
| 383 | glob_cfg->reent_lvl, |
| 384 | glob_cfg->save_addr)); |
| 385 | |
| 386 | /* dump extended cfg */ |
Helge Deller | 857600c | 2006-03-22 15:19:46 -0700 | [diff] [blame] | 387 | cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | DPRINTK(( KERN_INFO |
| 389 | "monitor %d\n" |
| 390 | "in friendly mode: %d\n" |
| 391 | "power consumption %d watts\n" |
| 392 | "freq ref %d\n" |
| 393 | "sti_mem_addr %08x (size=%d bytes)\n", |
| 394 | cfg->curr_mon, |
| 395 | cfg->friendly_boot, |
| 396 | cfg->power, |
| 397 | cfg->freq_ref, |
| 398 | cfg->sti_mem_addr, sti_mem_request)); |
| 399 | } |
| 400 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 401 | static void sti_dump_outptr(struct sti_struct *sti) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | { |
| 403 | DPRINTK((KERN_INFO |
| 404 | "%d bits per pixel\n" |
| 405 | "%d used bits\n" |
| 406 | "%d planes\n" |
| 407 | "attributes %08x\n", |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 408 | sti->sti_data->inq_outptr.bits_per_pixel, |
| 409 | sti->sti_data->inq_outptr.bits_used, |
| 410 | sti->sti_data->inq_outptr.planes, |
| 411 | sti->sti_data->inq_outptr.attributes)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | } |
| 413 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 414 | static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address, |
| 415 | unsigned long hpa) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | { |
| 417 | struct sti_glob_cfg *glob_cfg; |
| 418 | struct sti_glob_cfg_ext *glob_cfg_ext; |
| 419 | void *save_addr; |
| 420 | void *sti_mem_addr; |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 421 | int i, size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 423 | if (sti->sti_mem_request < 256) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | sti->sti_mem_request = 256; /* STI default */ |
| 425 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 426 | size = sizeof(struct sti_all_data) + sti->sti_mem_request - 256; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 428 | sti->sti_data = kzalloc(size, STI_LOWMEM); |
| 429 | if (!sti->sti_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | return -ENOMEM; |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 431 | |
| 432 | glob_cfg = &sti->sti_data->glob_cfg; |
| 433 | glob_cfg_ext = &sti->sti_data->glob_cfg_ext; |
| 434 | save_addr = &sti->sti_data->save_addr; |
| 435 | sti_mem_addr = &sti->sti_data->sti_mem_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext); |
| 438 | glob_cfg->save_addr = STI_PTR(save_addr); |
| 439 | for (i=0; i<8; i++) { |
| 440 | unsigned long newhpa, len; |
| 441 | |
| 442 | if (sti->pd) { |
| 443 | unsigned char offs = sti->rm_entry[i]; |
| 444 | |
| 445 | if (offs == 0) |
| 446 | continue; |
| 447 | if (offs != PCI_ROM_ADDRESS && |
| 448 | (offs < PCI_BASE_ADDRESS_0 || |
| 449 | offs > PCI_BASE_ADDRESS_5)) { |
| 450 | printk (KERN_WARNING |
André Goddard Rosa | af901ca | 2009-11-14 13:09:05 -0200 | [diff] [blame] | 451 | "STI pci region mapping for region %d (%02x) can't be mapped\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | i,sti->rm_entry[i]); |
| 453 | continue; |
| 454 | } |
| 455 | newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4); |
| 456 | } else |
| 457 | newhpa = (i == 0) ? rom_address : hpa; |
| 458 | |
| 459 | sti->regions_phys[i] = |
| 460 | REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa); |
| 461 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | len = sti->regions[i].region_desc.length * 4096; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | if (len) |
| 464 | glob_cfg->region_ptrs[i] = sti->regions_phys[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | |
Helge Deller | 857600c | 2006-03-22 15:19:46 -0700 | [diff] [blame] | 466 | DPRINTK(("region #%d: phys %08lx, region_ptr %08x, len=%lukB, " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 467 | "btlb=%d, sysonly=%d, cache=%d, last=%d\n", |
| 468 | i, sti->regions_phys[i], glob_cfg->region_ptrs[i], |
| 469 | len/1024, |
| 470 | sti->regions[i].region_desc.btlb, |
| 471 | sti->regions[i].region_desc.sys_only, |
| 472 | sti->regions[i].region_desc.cache, |
| 473 | sti->regions[i].region_desc.last)); |
| 474 | |
| 475 | /* last entry reached ? */ |
| 476 | if (sti->regions[i].region_desc.last) |
| 477 | break; |
| 478 | } |
| 479 | |
| 480 | if (++i<8 && sti->regions[i].region) |
| 481 | printk(KERN_WARNING "%s: *future ptr (0x%8x) not yet supported !\n", |
| 482 | __FILE__, sti->regions[i].region); |
| 483 | |
| 484 | glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr); |
| 485 | |
| 486 | sti->glob_cfg = glob_cfg; |
| 487 | |
| 488 | return 0; |
| 489 | } |
| 490 | |
Helge Deller | 8a10bc9 | 2014-01-31 15:39:40 +0100 | [diff] [blame] | 491 | #ifdef CONFIG_FONT_SUPPORT |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 492 | static struct sti_cooked_font * |
| 493 | sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | { |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 495 | const struct font_desc *fbfont = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | unsigned int size, bpc; |
| 497 | void *dest; |
| 498 | struct sti_rom_font *nf; |
| 499 | struct sti_cooked_font *cooked_font; |
| 500 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 501 | if (fbfont_name && strlen(fbfont_name)) |
| 502 | fbfont = find_font(fbfont_name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | if (!fbfont) |
Antonino A. Daplas | 2d2699d | 2007-05-08 00:39:11 -0700 | [diff] [blame] | 504 | fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | if (!fbfont) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 506 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 508 | pr_info("STI selected %dx%d framebuffer font %s for sticon\n", |
| 509 | fbfont->width, fbfont->height, fbfont->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | |
| 511 | bpc = ((fbfont->width+7)/8) * fbfont->height; |
| 512 | size = bpc * 256; |
| 513 | size += sizeof(struct sti_rom_font); |
| 514 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 515 | nf = kzalloc(size, STI_LOWMEM); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | if (!nf) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 517 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | |
| 519 | nf->first_char = 0; |
| 520 | nf->last_char = 255; |
| 521 | nf->width = fbfont->width; |
| 522 | nf->height = fbfont->height; |
| 523 | nf->font_type = STI_FONT_HPROMAN8; |
| 524 | nf->bytes_per_char = bpc; |
| 525 | nf->next_font = 0; |
| 526 | nf->underline_height = 1; |
| 527 | nf->underline_pos = fbfont->height - nf->underline_height; |
| 528 | |
| 529 | dest = nf; |
| 530 | dest += sizeof(struct sti_rom_font); |
| 531 | memcpy(dest, fbfont->data, bpc*256); |
| 532 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 533 | cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | if (!cooked_font) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 535 | kfree(nf); |
| 536 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | } |
| 538 | |
| 539 | cooked_font->raw = nf; |
| 540 | cooked_font->next_font = NULL; |
| 541 | |
| 542 | cooked_rom->font_start = cooked_font; |
| 543 | |
| 544 | return cooked_font; |
| 545 | } |
| 546 | #else |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 547 | static struct sti_cooked_font * |
| 548 | sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | { |
| 550 | return NULL; |
| 551 | } |
| 552 | #endif |
| 553 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 554 | static struct sti_cooked_font *sti_select_font(struct sti_cooked_rom *rom, |
| 555 | int (*search_font_fnc)(struct sti_cooked_rom *, int, int)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | { |
| 557 | struct sti_cooked_font *font; |
| 558 | int i; |
| 559 | int index = num_sti_roms; |
| 560 | |
| 561 | /* check for framebuffer-font first */ |
| 562 | if ((font = sti_select_fbfont(rom, font_name[index]))) |
| 563 | return font; |
| 564 | |
| 565 | if (font_width[index] && font_height[index]) |
| 566 | font_index[index] = search_font_fnc(rom, |
| 567 | font_height[index], font_width[index]); |
| 568 | |
| 569 | for (font = rom->font_start, i = font_index[index]; |
| 570 | font && (i > 0); |
| 571 | font = font->next_font, i--); |
| 572 | |
| 573 | if (font) |
| 574 | return font; |
| 575 | else |
| 576 | return rom->font_start; |
| 577 | } |
| 578 | |
| 579 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 580 | static void sti_dump_rom(struct sti_rom *rom) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 582 | printk(KERN_INFO " id %04x-%04x, conforms to spec rev. %d.%02x\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | rom->graphics_id[0], |
| 584 | rom->graphics_id[1], |
| 585 | rom->revno[0] >> 4, |
| 586 | rom->revno[0] & 0x0f); |
| 587 | DPRINTK((" supports %d monitors\n", rom->num_mons)); |
| 588 | DPRINTK((" font start %08x\n", rom->font_start)); |
| 589 | DPRINTK((" region list %08x\n", rom->region_list)); |
| 590 | DPRINTK((" init_graph %08x\n", rom->init_graph)); |
| 591 | DPRINTK((" bus support %02x\n", rom->bus_support)); |
| 592 | DPRINTK((" ext bus support %02x\n", rom->ext_bus_support)); |
| 593 | DPRINTK((" alternate code type %d\n", rom->alt_code_type)); |
| 594 | } |
| 595 | |
| 596 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 597 | static int sti_cook_fonts(struct sti_cooked_rom *cooked_rom, |
| 598 | struct sti_rom *raw_rom) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | { |
| 600 | struct sti_rom_font *raw_font, *font_start; |
| 601 | struct sti_cooked_font *cooked_font; |
| 602 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 603 | cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | if (!cooked_font) |
| 605 | return 0; |
| 606 | |
| 607 | cooked_rom->font_start = cooked_font; |
| 608 | |
| 609 | raw_font = ((void *)raw_rom) + (raw_rom->font_start); |
| 610 | |
| 611 | font_start = raw_font; |
| 612 | cooked_font->raw = raw_font; |
| 613 | |
| 614 | while (raw_font->next_font) { |
| 615 | raw_font = ((void *)font_start) + (raw_font->next_font); |
| 616 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 617 | cooked_font->next_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | if (!cooked_font->next_font) |
| 619 | return 1; |
| 620 | |
| 621 | cooked_font = cooked_font->next_font; |
| 622 | |
| 623 | cooked_font->raw = raw_font; |
| 624 | } |
| 625 | |
| 626 | cooked_font->next_font = NULL; |
| 627 | return 1; |
| 628 | } |
| 629 | |
| 630 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 631 | static int sti_search_font(struct sti_cooked_rom *rom, int height, int width) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | { |
| 633 | struct sti_cooked_font *font; |
| 634 | int i = 0; |
| 635 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 636 | for (font = rom->font_start; font; font = font->next_font, i++) { |
| 637 | if ((font->raw->width == width) && |
| 638 | (font->raw->height == height)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | return i; |
| 640 | } |
| 641 | return 0; |
| 642 | } |
| 643 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 644 | #define BMODE_RELOCATE(offset) offset = (offset) / 4; |
| 645 | #define BMODE_LAST_ADDR_OFFS 0x50 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 647 | static void *sti_bmode_font_raw(struct sti_cooked_font *f) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 648 | { |
| 649 | unsigned char *n, *p, *q; |
| 650 | int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font); |
| 651 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 652 | n = kzalloc(4*size, STI_LOWMEM); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 653 | if (!n) |
| 654 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | p = n + 3; |
| 656 | q = (unsigned char *)f->raw; |
| 657 | while (size--) { |
| 658 | *p = *q++; |
| 659 | p+=4; |
| 660 | } |
| 661 | return n + 3; |
| 662 | } |
| 663 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 664 | static void sti_bmode_rom_copy(unsigned long base, unsigned long count, |
| 665 | void *dest) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 666 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | unsigned long dest_start = (unsigned long) dest; |
| 668 | |
| 669 | while (count) { |
| 670 | count--; |
| 671 | *(u8 *)dest = gsc_readl(base); |
| 672 | base += 4; |
| 673 | dest++; |
| 674 | } |
Kyle McMartin | 03b18f1 | 2007-06-29 02:17:50 -0400 | [diff] [blame] | 675 | |
| 676 | sti_flush(dest_start, (unsigned long)dest); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | } |
| 678 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 679 | static struct sti_rom *sti_get_bmode_rom (unsigned long address) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | { |
| 681 | struct sti_rom *raw; |
| 682 | u32 size; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 683 | struct sti_rom_font *raw_font, *font_start; |
| 684 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size); |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 686 | |
| 687 | size = (size+3) / 4; |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 688 | raw = kmalloc(size, STI_LOWMEM); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | if (raw) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 690 | sti_bmode_rom_copy(address, size, raw); |
| 691 | memmove (&raw->res004, &raw->type[0], 0x3c); |
| 692 | raw->type[3] = raw->res004; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 693 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 694 | BMODE_RELOCATE (raw->region_list); |
| 695 | BMODE_RELOCATE (raw->font_start); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 696 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 697 | BMODE_RELOCATE (raw->init_graph); |
| 698 | BMODE_RELOCATE (raw->state_mgmt); |
| 699 | BMODE_RELOCATE (raw->font_unpmv); |
| 700 | BMODE_RELOCATE (raw->block_move); |
| 701 | BMODE_RELOCATE (raw->inq_conf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 702 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 703 | raw_font = ((void *)raw) + raw->font_start; |
| 704 | font_start = raw_font; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 705 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 706 | while (raw_font->next_font) { |
| 707 | BMODE_RELOCATE (raw_font->next_font); |
| 708 | raw_font = ((void *)font_start) + raw_font->next_font; |
| 709 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | } |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 711 | return raw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 712 | } |
| 713 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 714 | static struct sti_rom *sti_get_wmode_rom(unsigned long address) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 715 | { |
| 716 | struct sti_rom *raw; |
| 717 | unsigned long size; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 718 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 719 | /* read the ROM size directly from the struct in ROM */ |
| 720 | size = gsc_readl(address + offsetof(struct sti_rom,last_addr)); |
| 721 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 722 | raw = kmalloc(size, STI_LOWMEM); |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 723 | if (raw) |
| 724 | sti_rom_copy(address, size, raw); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 726 | return raw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | } |
| 728 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 729 | static int sti_read_rom(int wordmode, struct sti_struct *sti, |
| 730 | unsigned long address) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | { |
| 732 | struct sti_cooked_rom *cooked; |
| 733 | struct sti_rom *raw = NULL; |
Helge Deller | fdac4e6 | 2008-07-29 22:33:01 -0700 | [diff] [blame] | 734 | unsigned long revno; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 735 | |
| 736 | cooked = kmalloc(sizeof *cooked, GFP_KERNEL); |
| 737 | if (!cooked) |
| 738 | goto out_err; |
| 739 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 740 | if (wordmode) |
| 741 | raw = sti_get_wmode_rom (address); |
| 742 | else |
| 743 | raw = sti_get_bmode_rom (address); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 745 | if (!raw) |
| 746 | goto out_err; |
| 747 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 748 | if (!sti_cook_fonts(cooked, raw)) { |
| 749 | printk(KERN_ERR "No font found for STI at %08lx\n", address); |
| 750 | goto out_err; |
| 751 | } |
| 752 | |
| 753 | if (raw->region_list) |
| 754 | memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions)); |
| 755 | |
| 756 | address = (unsigned long) STI_PTR(raw); |
| 757 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 758 | pr_info("STI ROM supports 32 %sbit firmware functions.\n", |
| 759 | raw->alt_code_type == ALT_CODE_TYPE_PA_RISC_64 |
| 760 | ? "and 64 " : ""); |
| 761 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 762 | sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff); |
| 763 | sti->block_move = address + (raw->block_move & 0x03ffffff); |
| 764 | sti->init_graph = address + (raw->init_graph & 0x03ffffff); |
| 765 | sti->inq_conf = address + (raw->inq_conf & 0x03ffffff); |
| 766 | |
| 767 | sti->rom = cooked; |
| 768 | sti->rom->raw = raw; |
| 769 | |
| 770 | sti->font = sti_select_font(sti->rom, sti_search_font); |
| 771 | sti->font_width = sti->font->raw->width; |
| 772 | sti->font_height = sti->font->raw->height; |
| 773 | if (!wordmode) |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 774 | sti->font->raw = sti_bmode_font_raw(sti->font); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 775 | |
| 776 | sti->sti_mem_request = raw->sti_mem_req; |
| 777 | sti->graphics_id[0] = raw->graphics_id[0]; |
| 778 | sti->graphics_id[1] = raw->graphics_id[1]; |
| 779 | |
| 780 | sti_dump_rom(raw); |
Helge Deller | fdac4e6 | 2008-07-29 22:33:01 -0700 | [diff] [blame] | 781 | |
| 782 | /* check if the ROM routines in this card are compatible */ |
| 783 | if (wordmode || sti->graphics_id[1] != 0x09A02587) |
| 784 | goto ok; |
| 785 | |
| 786 | revno = (raw->revno[0] << 8) | raw->revno[1]; |
| 787 | |
| 788 | switch (sti->graphics_id[0]) { |
| 789 | case S9000_ID_HCRX: |
| 790 | /* HyperA or HyperB ? */ |
| 791 | if (revno == 0x8408 || revno == 0x840b) |
| 792 | goto msg_not_supported; |
| 793 | break; |
| 794 | case CRT_ID_THUNDER: |
| 795 | if (revno == 0x8509) |
| 796 | goto msg_not_supported; |
| 797 | break; |
| 798 | case CRT_ID_THUNDER2: |
| 799 | if (revno == 0x850c) |
| 800 | goto msg_not_supported; |
| 801 | } |
| 802 | ok: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | return 1; |
| 804 | |
Helge Deller | fdac4e6 | 2008-07-29 22:33:01 -0700 | [diff] [blame] | 805 | msg_not_supported: |
| 806 | printk(KERN_ERR "Sorry, this GSC/STI card is not yet supported.\n"); |
| 807 | printk(KERN_ERR "Please see http://parisc-linux.org/faq/" |
| 808 | "graphics-howto.html for more info.\n"); |
| 809 | /* fall through */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | out_err: |
| 811 | kfree(raw); |
| 812 | kfree(cooked); |
| 813 | return 0; |
| 814 | } |
| 815 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 816 | static struct sti_struct *sti_try_rom_generic(unsigned long address, |
| 817 | unsigned long hpa, |
| 818 | struct pci_dev *pd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | { |
| 820 | struct sti_struct *sti; |
| 821 | int ok; |
| 822 | u32 sig; |
| 823 | |
| 824 | if (num_sti_roms >= MAX_STI_ROMS) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 825 | printk(KERN_WARNING "maximum number of STI ROMS reached !\n"); |
| 826 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 827 | } |
| 828 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 829 | sti = kzalloc(sizeof(*sti), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | if (!sti) { |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 831 | printk(KERN_ERR "Not enough memory !\n"); |
| 832 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 833 | } |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 834 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 835 | spin_lock_init(&sti->lock); |
| 836 | |
| 837 | test_rom: |
| 838 | /* if we can't read the ROM, bail out early. Not being able |
| 839 | * to read the hpa is okay, for romless sti */ |
| 840 | if (pdc_add_valid(address)) |
| 841 | goto out_err; |
| 842 | |
| 843 | sig = gsc_readl(address); |
| 844 | |
| 845 | /* check for a PCI ROM structure */ |
| 846 | if ((le32_to_cpu(sig)==0xaa55)) { |
| 847 | unsigned int i, rm_offset; |
| 848 | u32 *rm; |
| 849 | i = gsc_readl(address+0x04); |
| 850 | if (i != 1) { |
| 851 | /* The ROM could have multiple architecture |
| 852 | * dependent images (e.g. i386, parisc,...) */ |
| 853 | printk(KERN_WARNING |
| 854 | "PCI ROM is not a STI ROM type image (0x%8x)\n", i); |
| 855 | goto out_err; |
| 856 | } |
| 857 | |
| 858 | sti->pd = pd; |
| 859 | |
| 860 | i = gsc_readl(address+0x0c); |
| 861 | DPRINTK(("PCI ROM size (from header) = %d kB\n", |
| 862 | le16_to_cpu(i>>16)*512/1024)); |
| 863 | rm_offset = le16_to_cpu(i & 0xffff); |
| 864 | if (rm_offset) { |
| 865 | /* read 16 bytes from the pci region mapper array */ |
| 866 | rm = (u32*) &sti->rm_entry; |
| 867 | *rm++ = gsc_readl(address+rm_offset+0x00); |
| 868 | *rm++ = gsc_readl(address+rm_offset+0x04); |
| 869 | *rm++ = gsc_readl(address+rm_offset+0x08); |
| 870 | *rm++ = gsc_readl(address+rm_offset+0x0c); |
| 871 | DPRINTK(("PCI region Mapper offset = %08x: ", |
| 872 | rm_offset)); |
| 873 | for (i=0; i<16; i++) |
| 874 | DPRINTK(("%02x ", sti->rm_entry[i])); |
| 875 | DPRINTK(("\n")); |
| 876 | } |
| 877 | |
| 878 | address += le32_to_cpu(gsc_readl(address+8)); |
| 879 | DPRINTK(("sig %04x, PCI STI ROM at %08lx\n", sig, address)); |
| 880 | goto test_rom; |
| 881 | } |
| 882 | |
| 883 | ok = 0; |
| 884 | |
| 885 | if ((sig & 0xff) == 0x01) { |
| 886 | DPRINTK((" byte mode ROM at %08lx, hpa at %08lx\n", |
| 887 | address, hpa)); |
| 888 | ok = sti_read_rom(0, sti, address); |
| 889 | } |
| 890 | |
| 891 | if ((sig & 0xffff) == 0x0303) { |
| 892 | DPRINTK((" word mode ROM at %08lx, hpa at %08lx\n", |
| 893 | address, hpa)); |
| 894 | ok = sti_read_rom(1, sti, address); |
| 895 | } |
| 896 | |
| 897 | if (!ok) |
| 898 | goto out_err; |
| 899 | |
| 900 | if (sti_init_glob_cfg(sti, address, hpa)) |
| 901 | goto out_err; /* not enough memory */ |
| 902 | |
| 903 | /* disable STI PCI ROM. ROM and card RAM overlap and |
| 904 | * leaving it enabled would force HPMCs |
| 905 | */ |
| 906 | if (sti->pd) { |
| 907 | unsigned long rom_base; |
| 908 | rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE); |
| 909 | pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE); |
| 910 | DPRINTK((KERN_DEBUG "STI PCI ROM disabled\n")); |
| 911 | } |
| 912 | |
| 913 | if (sti_init_graph(sti)) |
| 914 | goto out_err; |
| 915 | |
| 916 | sti_inq_conf(sti); |
| 917 | sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request); |
| 918 | sti_dump_outptr(sti); |
| 919 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 920 | pr_info(" graphics card name: %s\n", |
| 921 | sti->sti_data->inq_outptr.dev_name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 922 | |
| 923 | sti_roms[num_sti_roms] = sti; |
| 924 | num_sti_roms++; |
| 925 | |
| 926 | return sti; |
| 927 | |
| 928 | out_err: |
| 929 | kfree(sti); |
| 930 | return NULL; |
| 931 | } |
| 932 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 933 | static void sticore_check_for_default_sti(struct sti_struct *sti, char *path) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | { |
| 935 | if (strcmp (path, default_sti_path) == 0) |
| 936 | default_sti = sti; |
| 937 | } |
| 938 | |
| 939 | /* |
| 940 | * on newer systems PDC gives the address of the ROM |
| 941 | * in the additional address field addr[1] while on |
| 942 | * older Systems the PDC stores it in page0->proc_sti |
| 943 | */ |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 944 | static int sticore_pa_init(struct parisc_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 945 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 946 | char pa_path[21]; |
| 947 | struct sti_struct *sti = NULL; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 948 | int hpa = dev->hpa.start; |
| 949 | |
| 950 | if (dev->num_addrs && dev->addr[0]) |
| 951 | sti = sti_try_rom_generic(dev->addr[0], hpa, NULL); |
| 952 | if (!sti) |
| 953 | sti = sti_try_rom_generic(hpa, hpa, NULL); |
| 954 | if (!sti) |
| 955 | sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 956 | if (!sti) |
| 957 | return 1; |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 958 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | print_pa_hwpath(dev, pa_path); |
Matthew Wilcox | 951a015 | 2005-10-21 22:41:49 -0400 | [diff] [blame] | 960 | sticore_check_for_default_sti(sti, pa_path); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | return 0; |
| 962 | } |
| 963 | |
| 964 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 965 | static int sticore_pci_init(struct pci_dev *pd, const struct pci_device_id *ent) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | { |
| 967 | #ifdef CONFIG_PCI |
| 968 | unsigned long fb_base, rom_base; |
| 969 | unsigned int fb_len, rom_len; |
Helge Deller | 1a1dba3 | 2009-08-02 15:26:51 +0200 | [diff] [blame] | 970 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 971 | struct sti_struct *sti; |
| 972 | |
Helge Deller | 1a1dba3 | 2009-08-02 15:26:51 +0200 | [diff] [blame] | 973 | err = pci_enable_device(pd); |
| 974 | if (err < 0) { |
| 975 | dev_err(&pd->dev, "Cannot enable PCI device\n"); |
| 976 | return err; |
| 977 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 978 | |
| 979 | fb_base = pci_resource_start(pd, 0); |
| 980 | fb_len = pci_resource_len(pd, 0); |
| 981 | rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE); |
| 982 | rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE); |
| 983 | if (rom_base) { |
| 984 | pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE); |
| 985 | DPRINTK((KERN_DEBUG "STI PCI ROM enabled at 0x%08lx\n", rom_base)); |
| 986 | } |
| 987 | |
| 988 | printk(KERN_INFO "STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n", |
| 989 | rom_base, rom_len/1024, fb_base, fb_len/1024/1024); |
| 990 | |
| 991 | DPRINTK((KERN_DEBUG "Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n", |
| 992 | rom_base, fb_base)); |
| 993 | |
| 994 | sti = sti_try_rom_generic(rom_base, fb_base, pd); |
| 995 | if (sti) { |
| 996 | char pa_path[30]; |
| 997 | print_pci_hwpath(pd, pa_path); |
| 998 | sticore_check_for_default_sti(sti, pa_path); |
| 999 | } |
| 1000 | |
| 1001 | if (!sti) { |
| 1002 | printk(KERN_WARNING "Unable to handle STI device '%s'\n", |
| 1003 | pci_name(pd)); |
| 1004 | return -ENODEV; |
| 1005 | } |
| 1006 | #endif /* CONFIG_PCI */ |
| 1007 | |
| 1008 | return 0; |
| 1009 | } |
| 1010 | |
| 1011 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 1012 | static void sticore_pci_remove(struct pci_dev *pd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1013 | { |
| 1014 | BUG(); |
| 1015 | } |
| 1016 | |
| 1017 | |
| 1018 | static struct pci_device_id sti_pci_tbl[] = { |
| 1019 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) }, |
| 1020 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) }, |
| 1021 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) }, |
| 1022 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) }, |
| 1023 | { PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) }, |
| 1024 | { 0, } /* terminate list */ |
| 1025 | }; |
| 1026 | MODULE_DEVICE_TABLE(pci, sti_pci_tbl); |
| 1027 | |
| 1028 | static struct pci_driver pci_sti_driver = { |
| 1029 | .name = "sti", |
| 1030 | .id_table = sti_pci_tbl, |
| 1031 | .probe = sticore_pci_init, |
| 1032 | .remove = sticore_pci_remove, |
| 1033 | }; |
| 1034 | |
| 1035 | static struct parisc_device_id sti_pa_tbl[] = { |
| 1036 | { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 }, |
| 1037 | { HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 }, |
| 1038 | { 0, } |
| 1039 | }; |
| 1040 | |
| 1041 | static struct parisc_driver pa_sti_driver = { |
| 1042 | .name = "sti", |
| 1043 | .id_table = sti_pa_tbl, |
| 1044 | .probe = sticore_pa_init, |
| 1045 | }; |
| 1046 | |
| 1047 | |
| 1048 | /* |
| 1049 | * sti_init_roms() - detects all STI ROMs and stores them in sti_roms[] |
| 1050 | */ |
| 1051 | |
Helge Deller | cb6fc18 | 2006-01-17 12:40:40 -0700 | [diff] [blame] | 1052 | static int sticore_initialized __read_mostly; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1053 | |
Greg Kroah-Hartman | 48c68c4 | 2012-12-21 13:07:39 -0800 | [diff] [blame] | 1054 | static void sti_init_roms(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1055 | { |
| 1056 | if (sticore_initialized) |
| 1057 | return; |
| 1058 | |
| 1059 | sticore_initialized = 1; |
| 1060 | |
| 1061 | printk(KERN_INFO "STI GSC/PCI core graphics driver " |
| 1062 | STI_DRIVERVERSION "\n"); |
| 1063 | |
| 1064 | /* Register drivers for native & PCI cards */ |
| 1065 | register_parisc_driver(&pa_sti_driver); |
Helge Deller | 1a1dba3 | 2009-08-02 15:26:51 +0200 | [diff] [blame] | 1066 | WARN_ON(pci_register_driver(&pci_sti_driver)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1067 | |
| 1068 | /* if we didn't find the given default sti, take the first one */ |
| 1069 | if (!default_sti) |
| 1070 | default_sti = sti_roms[0]; |
| 1071 | |
| 1072 | } |
| 1073 | |
| 1074 | /* |
| 1075 | * index = 0 gives default sti |
| 1076 | * index > 0 gives other stis in detection order |
| 1077 | */ |
| 1078 | struct sti_struct * sti_get_rom(unsigned int index) |
| 1079 | { |
| 1080 | if (!sticore_initialized) |
| 1081 | sti_init_roms(); |
| 1082 | |
| 1083 | if (index == 0) |
| 1084 | return default_sti; |
| 1085 | |
| 1086 | if (index > num_sti_roms) |
| 1087 | return NULL; |
| 1088 | |
| 1089 | return sti_roms[index-1]; |
| 1090 | } |
| 1091 | EXPORT_SYMBOL(sti_get_rom); |
| 1092 | |
Helge Deller | 0219132 | 2013-11-06 23:38:59 +0100 | [diff] [blame] | 1093 | |
| 1094 | int sti_call(const struct sti_struct *sti, unsigned long func, |
| 1095 | const void *flags, void *inptr, void *outptr, |
| 1096 | struct sti_glob_cfg *glob_cfg) |
| 1097 | { |
| 1098 | unsigned long _flags = STI_PTR(flags); |
| 1099 | unsigned long _inptr = STI_PTR(inptr); |
| 1100 | unsigned long _outptr = STI_PTR(outptr); |
| 1101 | unsigned long _glob_cfg = STI_PTR(glob_cfg); |
| 1102 | int ret; |
| 1103 | |
| 1104 | #ifdef CONFIG_64BIT |
| 1105 | /* Check for overflow when using 32bit STI on 64bit kernel. */ |
| 1106 | if (WARN_ONCE(_flags>>32 || _inptr>>32 || _outptr>>32 || _glob_cfg>>32, |
| 1107 | "Out of 32bit-range pointers!")) |
| 1108 | return -1; |
| 1109 | #endif |
| 1110 | |
| 1111 | ret = pdc_sti_call(func, _flags, _inptr, _outptr, _glob_cfg); |
| 1112 | |
| 1113 | return ret; |
| 1114 | } |
| 1115 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1116 | MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer"); |
| 1117 | MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines"); |
| 1118 | MODULE_LICENSE("GPL v2"); |
| 1119 | |