Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * fbsysfs.c - framebuffer device class and attributes |
| 3 | * |
| 4 | * Copyright (c) 2004 James Simmons <jsimmons@infradead.org> |
| 5 | * |
| 6 | * This program is free software you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | /* |
| 13 | * Note: currently there's only stubs for framebuffer_alloc and |
| 14 | * framebuffer_release here. The reson for that is that until all drivers |
| 15 | * are converted to use it a sysfsification will open OOPSable races. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/fb.h> |
| 20 | #include <linux/console.h> |
| 21 | |
| 22 | /** |
| 23 | * framebuffer_alloc - creates a new frame buffer info structure |
| 24 | * |
| 25 | * @size: size of driver private data, can be zero |
| 26 | * @dev: pointer to the device for this fb, this can be NULL |
| 27 | * |
| 28 | * Creates a new frame buffer info structure. Also reserves @size bytes |
| 29 | * for driver private data (info->par). info->par (if any) will be |
| 30 | * aligned to sizeof(long). |
| 31 | * |
| 32 | * Returns the new structure, or NULL if an error occured. |
| 33 | * |
| 34 | */ |
| 35 | struct fb_info *framebuffer_alloc(size_t size, struct device *dev) |
| 36 | { |
| 37 | #define BYTES_PER_LONG (BITS_PER_LONG/8) |
| 38 | #define PADDING (BYTES_PER_LONG - (sizeof(struct fb_info) % BYTES_PER_LONG)) |
| 39 | int fb_info_size = sizeof(struct fb_info); |
| 40 | struct fb_info *info; |
| 41 | char *p; |
| 42 | |
| 43 | if (size) |
| 44 | fb_info_size += PADDING; |
| 45 | |
Antonino A. Daplas | def1ede | 2006-01-09 20:53:45 -0800 | [diff] [blame] | 46 | p = kzalloc(fb_info_size + size, GFP_KERNEL); |
| 47 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | if (!p) |
| 49 | return NULL; |
Antonino A. Daplas | def1ede | 2006-01-09 20:53:45 -0800 | [diff] [blame] | 50 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | info = (struct fb_info *) p; |
| 52 | |
| 53 | if (size) |
| 54 | info->par = p + fb_info_size; |
| 55 | |
| 56 | info->device = dev; |
| 57 | |
| 58 | return info; |
| 59 | #undef PADDING |
| 60 | #undef BYTES_PER_LONG |
| 61 | } |
| 62 | EXPORT_SYMBOL(framebuffer_alloc); |
| 63 | |
| 64 | /** |
| 65 | * framebuffer_release - marks the structure available for freeing |
| 66 | * |
| 67 | * @info: frame buffer info structure |
| 68 | * |
| 69 | * Drop the reference count of the class_device embedded in the |
| 70 | * framebuffer info structure. |
| 71 | * |
| 72 | */ |
| 73 | void framebuffer_release(struct fb_info *info) |
| 74 | { |
| 75 | kfree(info); |
| 76 | } |
| 77 | EXPORT_SYMBOL(framebuffer_release); |
| 78 | |
| 79 | static int activate(struct fb_info *fb_info, struct fb_var_screeninfo *var) |
| 80 | { |
| 81 | int err; |
| 82 | |
| 83 | var->activate |= FB_ACTIVATE_FORCE; |
| 84 | acquire_console_sem(); |
| 85 | fb_info->flags |= FBINFO_MISC_USEREVENT; |
| 86 | err = fb_set_var(fb_info, var); |
| 87 | fb_info->flags &= ~FBINFO_MISC_USEREVENT; |
| 88 | release_console_sem(); |
| 89 | if (err) |
| 90 | return err; |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | static int mode_string(char *buf, unsigned int offset, |
| 95 | const struct fb_videomode *mode) |
| 96 | { |
| 97 | char m = 'U'; |
| 98 | if (mode->flag & FB_MODE_IS_DETAILED) |
| 99 | m = 'D'; |
| 100 | if (mode->flag & FB_MODE_IS_VESA) |
| 101 | m = 'V'; |
| 102 | if (mode->flag & FB_MODE_IS_STANDARD) |
| 103 | m = 'S'; |
| 104 | return snprintf(&buf[offset], PAGE_SIZE - offset, "%c:%dx%d-%d\n", m, mode->xres, mode->yres, mode->refresh); |
| 105 | } |
| 106 | |
| 107 | static ssize_t store_mode(struct class_device *class_device, const char * buf, |
| 108 | size_t count) |
| 109 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 110 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | char mstr[100]; |
| 112 | struct fb_var_screeninfo var; |
| 113 | struct fb_modelist *modelist; |
| 114 | struct fb_videomode *mode; |
| 115 | struct list_head *pos; |
| 116 | size_t i; |
| 117 | int err; |
| 118 | |
| 119 | memset(&var, 0, sizeof(var)); |
| 120 | |
| 121 | list_for_each(pos, &fb_info->modelist) { |
| 122 | modelist = list_entry(pos, struct fb_modelist, list); |
| 123 | mode = &modelist->mode; |
| 124 | i = mode_string(mstr, 0, mode); |
| 125 | if (strncmp(mstr, buf, max(count, i)) == 0) { |
| 126 | |
| 127 | var = fb_info->var; |
| 128 | fb_videomode_to_var(&var, mode); |
| 129 | if ((err = activate(fb_info, &var))) |
| 130 | return err; |
| 131 | fb_info->mode = mode; |
| 132 | return count; |
| 133 | } |
| 134 | } |
| 135 | return -EINVAL; |
| 136 | } |
| 137 | |
| 138 | static ssize_t show_mode(struct class_device *class_device, char *buf) |
| 139 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 140 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
| 142 | if (!fb_info->mode) |
| 143 | return 0; |
| 144 | |
| 145 | return mode_string(buf, 0, fb_info->mode); |
| 146 | } |
| 147 | |
| 148 | static ssize_t store_modes(struct class_device *class_device, const char * buf, |
| 149 | size_t count) |
| 150 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 151 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | LIST_HEAD(old_list); |
| 153 | int i = count / sizeof(struct fb_videomode); |
| 154 | |
| 155 | if (i * sizeof(struct fb_videomode) != count) |
| 156 | return -EINVAL; |
| 157 | |
| 158 | acquire_console_sem(); |
| 159 | list_splice(&fb_info->modelist, &old_list); |
| 160 | fb_videomode_to_modelist((struct fb_videomode *)buf, i, |
| 161 | &fb_info->modelist); |
| 162 | if (fb_new_modelist(fb_info)) { |
| 163 | fb_destroy_modelist(&fb_info->modelist); |
| 164 | list_splice(&old_list, &fb_info->modelist); |
| 165 | } else |
| 166 | fb_destroy_modelist(&old_list); |
| 167 | |
| 168 | release_console_sem(); |
| 169 | |
| 170 | return 0; |
| 171 | } |
| 172 | |
| 173 | static ssize_t show_modes(struct class_device *class_device, char *buf) |
| 174 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 175 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | unsigned int i; |
| 177 | struct list_head *pos; |
| 178 | struct fb_modelist *modelist; |
| 179 | const struct fb_videomode *mode; |
| 180 | |
| 181 | i = 0; |
| 182 | list_for_each(pos, &fb_info->modelist) { |
| 183 | modelist = list_entry(pos, struct fb_modelist, list); |
| 184 | mode = &modelist->mode; |
| 185 | i += mode_string(buf, i, mode); |
| 186 | } |
| 187 | return i; |
| 188 | } |
| 189 | |
| 190 | static ssize_t store_bpp(struct class_device *class_device, const char * buf, |
| 191 | size_t count) |
| 192 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 193 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | struct fb_var_screeninfo var; |
| 195 | char ** last = NULL; |
| 196 | int err; |
| 197 | |
| 198 | var = fb_info->var; |
| 199 | var.bits_per_pixel = simple_strtoul(buf, last, 0); |
| 200 | if ((err = activate(fb_info, &var))) |
| 201 | return err; |
| 202 | return count; |
| 203 | } |
| 204 | |
| 205 | static ssize_t show_bpp(struct class_device *class_device, char *buf) |
| 206 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 207 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.bits_per_pixel); |
| 209 | } |
| 210 | |
Antonino A. Daplas | a812c94 | 2005-11-08 21:39:15 -0800 | [diff] [blame] | 211 | static ssize_t store_rotate(struct class_device *class_device, const char *buf, |
| 212 | size_t count) |
| 213 | { |
| 214 | struct fb_info *fb_info = class_get_devdata(class_device); |
| 215 | struct fb_var_screeninfo var; |
| 216 | char **last = NULL; |
| 217 | int err; |
| 218 | |
| 219 | var = fb_info->var; |
| 220 | var.rotate = simple_strtoul(buf, last, 0); |
| 221 | |
| 222 | if ((err = activate(fb_info, &var))) |
| 223 | return err; |
| 224 | |
| 225 | return count; |
| 226 | } |
| 227 | |
| 228 | |
| 229 | static ssize_t show_rotate(struct class_device *class_device, char *buf) |
| 230 | { |
| 231 | struct fb_info *fb_info = class_get_devdata(class_device); |
| 232 | |
| 233 | return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.rotate); |
| 234 | } |
| 235 | |
| 236 | static ssize_t store_con_rotate(struct class_device *class_device, |
| 237 | const char *buf, size_t count) |
| 238 | { |
| 239 | struct fb_info *fb_info = class_get_devdata(class_device); |
| 240 | int rotate; |
| 241 | char **last = NULL; |
| 242 | |
| 243 | acquire_console_sem(); |
| 244 | rotate = simple_strtoul(buf, last, 0); |
| 245 | fb_con_duit(fb_info, FB_EVENT_SET_CON_ROTATE, &rotate); |
| 246 | release_console_sem(); |
| 247 | return count; |
| 248 | } |
| 249 | |
| 250 | static ssize_t store_con_rotate_all(struct class_device *class_device, |
| 251 | const char *buf, size_t count) |
| 252 | { |
| 253 | struct fb_info *fb_info = class_get_devdata(class_device); |
| 254 | int rotate; |
| 255 | char **last = NULL; |
| 256 | |
| 257 | acquire_console_sem(); |
| 258 | rotate = simple_strtoul(buf, last, 0); |
| 259 | fb_con_duit(fb_info, FB_EVENT_SET_CON_ROTATE_ALL, &rotate); |
| 260 | release_console_sem(); |
| 261 | return count; |
| 262 | } |
| 263 | |
| 264 | static ssize_t show_con_rotate(struct class_device *class_device, char *buf) |
| 265 | { |
| 266 | struct fb_info *fb_info = class_get_devdata(class_device); |
| 267 | int rotate; |
| 268 | |
| 269 | acquire_console_sem(); |
| 270 | rotate = fb_con_duit(fb_info, FB_EVENT_GET_CON_ROTATE, NULL); |
| 271 | release_console_sem(); |
| 272 | return snprintf(buf, PAGE_SIZE, "%d\n", rotate); |
| 273 | } |
| 274 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | static ssize_t store_virtual(struct class_device *class_device, |
| 276 | const char * buf, size_t count) |
| 277 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 278 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | struct fb_var_screeninfo var; |
| 280 | char *last = NULL; |
| 281 | int err; |
| 282 | |
| 283 | var = fb_info->var; |
| 284 | var.xres_virtual = simple_strtoul(buf, &last, 0); |
| 285 | last++; |
| 286 | if (last - buf >= count) |
| 287 | return -EINVAL; |
| 288 | var.yres_virtual = simple_strtoul(last, &last, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | |
| 290 | if ((err = activate(fb_info, &var))) |
| 291 | return err; |
| 292 | return count; |
| 293 | } |
| 294 | |
| 295 | static ssize_t show_virtual(struct class_device *class_device, char *buf) |
| 296 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 297 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xres_virtual, |
Jon Smirl | e2c1649 | 2005-06-13 15:52:36 -0700 | [diff] [blame] | 299 | fb_info->var.yres_virtual); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | } |
| 301 | |
James Simmons | c14e2cf | 2005-10-24 21:46:21 +0100 | [diff] [blame] | 302 | static ssize_t show_stride(struct class_device *class_device, char *buf) |
| 303 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 304 | struct fb_info *fb_info = class_get_devdata(class_device); |
James Simmons | c14e2cf | 2005-10-24 21:46:21 +0100 | [diff] [blame] | 305 | return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length); |
| 306 | } |
| 307 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | static ssize_t store_blank(struct class_device *class_device, const char * buf, |
| 309 | size_t count) |
| 310 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 311 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | char *last = NULL; |
| 313 | int err; |
| 314 | |
| 315 | acquire_console_sem(); |
| 316 | fb_info->flags |= FBINFO_MISC_USEREVENT; |
| 317 | err = fb_blank(fb_info, simple_strtoul(buf, &last, 0)); |
| 318 | fb_info->flags &= ~FBINFO_MISC_USEREVENT; |
| 319 | release_console_sem(); |
| 320 | if (err < 0) |
| 321 | return err; |
| 322 | return count; |
| 323 | } |
| 324 | |
| 325 | static ssize_t show_blank(struct class_device *class_device, char *buf) |
| 326 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 327 | // struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | return 0; |
| 329 | } |
| 330 | |
| 331 | static ssize_t store_console(struct class_device *class_device, |
| 332 | const char * buf, size_t count) |
| 333 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 334 | // struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | return 0; |
| 336 | } |
| 337 | |
| 338 | static ssize_t show_console(struct class_device *class_device, char *buf) |
| 339 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 340 | // struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | return 0; |
| 342 | } |
| 343 | |
| 344 | static ssize_t store_cursor(struct class_device *class_device, |
| 345 | const char * buf, size_t count) |
| 346 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 347 | // struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | return 0; |
| 349 | } |
| 350 | |
| 351 | static ssize_t show_cursor(struct class_device *class_device, char *buf) |
| 352 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 353 | // struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | return 0; |
| 355 | } |
| 356 | |
| 357 | static ssize_t store_pan(struct class_device *class_device, const char * buf, |
| 358 | size_t count) |
| 359 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 360 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | struct fb_var_screeninfo var; |
| 362 | char *last = NULL; |
| 363 | int err; |
| 364 | |
| 365 | var = fb_info->var; |
| 366 | var.xoffset = simple_strtoul(buf, &last, 0); |
| 367 | last++; |
| 368 | if (last - buf >= count) |
| 369 | return -EINVAL; |
| 370 | var.yoffset = simple_strtoul(last, &last, 0); |
| 371 | |
| 372 | acquire_console_sem(); |
| 373 | err = fb_pan_display(fb_info, &var); |
| 374 | release_console_sem(); |
| 375 | |
| 376 | if (err < 0) |
| 377 | return err; |
| 378 | return count; |
| 379 | } |
| 380 | |
| 381 | static ssize_t show_pan(struct class_device *class_device, char *buf) |
| 382 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 383 | struct fb_info *fb_info = class_get_devdata(class_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xoffset, |
| 385 | fb_info->var.xoffset); |
| 386 | } |
| 387 | |
James Simmons | 02459ea | 2005-07-30 23:49:54 +0100 | [diff] [blame] | 388 | static ssize_t show_name(struct class_device *class_device, char *buf) |
| 389 | { |
Antonino A. Daplas | 313e58a | 2006-01-09 20:53:12 -0800 | [diff] [blame] | 390 | struct fb_info *fb_info = class_get_devdata(class_device); |
James Simmons | 02459ea | 2005-07-30 23:49:54 +0100 | [diff] [blame] | 391 | |
| 392 | return snprintf(buf, PAGE_SIZE, "%s\n", fb_info->fix.id); |
| 393 | } |
| 394 | |
Matthew Garrett | 30420f8 | 2006-01-09 20:53:01 -0800 | [diff] [blame] | 395 | static ssize_t store_fbstate(struct class_device *class_device, |
| 396 | const char *buf, size_t count) |
| 397 | { |
| 398 | struct fb_info *fb_info = class_get_devdata(class_device); |
| 399 | u32 state; |
| 400 | char *last = NULL; |
| 401 | |
| 402 | state = simple_strtoul(buf, &last, 0); |
| 403 | |
| 404 | acquire_console_sem(); |
| 405 | fb_set_suspend(fb_info, (int)state); |
| 406 | release_console_sem(); |
| 407 | |
| 408 | return count; |
| 409 | } |
| 410 | |
| 411 | static ssize_t show_fbstate(struct class_device *class_device, char *buf) |
| 412 | { |
| 413 | struct fb_info *fb_info = class_get_devdata(class_device); |
| 414 | return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state); |
| 415 | } |
| 416 | |
Jon Smirl | 913e7ec | 2006-04-12 19:43:35 -0400 | [diff] [blame] | 417 | /* When cmap is added back in it should be a binary attribute |
| 418 | * not a text one. Consideration should also be given to converting |
| 419 | * fbdev to use configfs instead of sysfs */ |
Adrian Bunk | 75c96f8 | 2005-05-05 16:16:09 -0700 | [diff] [blame] | 420 | static struct class_device_attribute class_device_attrs[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | __ATTR(bits_per_pixel, S_IRUGO|S_IWUSR, show_bpp, store_bpp), |
| 422 | __ATTR(blank, S_IRUGO|S_IWUSR, show_blank, store_blank), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | __ATTR(console, S_IRUGO|S_IWUSR, show_console, store_console), |
| 424 | __ATTR(cursor, S_IRUGO|S_IWUSR, show_cursor, store_cursor), |
| 425 | __ATTR(mode, S_IRUGO|S_IWUSR, show_mode, store_mode), |
| 426 | __ATTR(modes, S_IRUGO|S_IWUSR, show_modes, store_modes), |
| 427 | __ATTR(pan, S_IRUGO|S_IWUSR, show_pan, store_pan), |
| 428 | __ATTR(virtual_size, S_IRUGO|S_IWUSR, show_virtual, store_virtual), |
James Simmons | 02459ea | 2005-07-30 23:49:54 +0100 | [diff] [blame] | 429 | __ATTR(name, S_IRUGO, show_name, NULL), |
James Simmons | c14e2cf | 2005-10-24 21:46:21 +0100 | [diff] [blame] | 430 | __ATTR(stride, S_IRUGO, show_stride, NULL), |
Antonino A. Daplas | a812c94 | 2005-11-08 21:39:15 -0800 | [diff] [blame] | 431 | __ATTR(rotate, S_IRUGO|S_IWUSR, show_rotate, store_rotate), |
| 432 | __ATTR(con_rotate, S_IRUGO|S_IWUSR, show_con_rotate, store_con_rotate), |
| 433 | __ATTR(con_rotate_all, S_IWUSR, NULL, store_con_rotate_all), |
Matthew Garrett | 30420f8 | 2006-01-09 20:53:01 -0800 | [diff] [blame] | 434 | __ATTR(state, S_IRUGO|S_IWUSR, show_fbstate, store_fbstate), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | }; |
| 436 | |
| 437 | int fb_init_class_device(struct fb_info *fb_info) |
| 438 | { |
| 439 | unsigned int i; |
| 440 | class_set_devdata(fb_info->class_device, fb_info); |
| 441 | |
| 442 | for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) |
| 443 | class_device_create_file(fb_info->class_device, |
| 444 | &class_device_attrs[i]); |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | void fb_cleanup_class_device(struct fb_info *fb_info) |
| 449 | { |
| 450 | unsigned int i; |
| 451 | |
| 452 | for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) |
| 453 | class_device_remove_file(fb_info->class_device, |
| 454 | &class_device_attrs[i]); |
| 455 | } |
| 456 | |
| 457 | |