diff options
Diffstat (limited to 'drivers/video/console')
-rw-r--r-- | drivers/video/console/fbcon.c | 113 | ||||
-rw-r--r-- | drivers/video/console/fbcon.h | 1 |
2 files changed, 106 insertions, 8 deletions
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 47ba1a79adc..746225bf8c4 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -195,6 +195,8 @@ static void fbcon_redraw_move(struct vc_data *vc, struct display *p, static void fbcon_modechanged(struct fb_info *info); static void fbcon_set_all_vcs(struct fb_info *info); +static struct class_device *fbcon_class_device; + #ifdef CONFIG_MAC /* * On the Macintoy, there may or may not be a working VBL int. We need to probe @@ -2945,14 +2947,6 @@ static int fbcon_event_notify(struct notifier_block *self, case FB_EVENT_NEW_MODELIST: fbcon_new_modelist(info); break; - case FB_EVENT_SET_CON_ROTATE: - fbcon_rotate(info, *(int *)event->data); - break; - case FB_EVENT_GET_CON_ROTATE: - ret = fbcon_get_rotate(info); - break; - case FB_EVENT_SET_CON_ROTATE_ALL: - fbcon_rotate_all(info, *(int *)event->data); } return ret; @@ -2992,6 +2986,81 @@ static struct notifier_block fbcon_event_notifier = { .notifier_call = fbcon_event_notify, }; +static ssize_t store_rotate(struct class_device *class_device, + const char *buf, size_t count) +{ + struct fb_info *info; + int rotate, idx; + char **last = NULL; + + acquire_console_sem(); + idx = con2fb_map[fg_console]; + + if (idx == -1 || registered_fb[idx] == NULL) + goto err; + + info = registered_fb[idx]; + rotate = simple_strtoul(buf, last, 0); + fbcon_rotate(info, rotate); +err: + release_console_sem(); + return count; +} + +static ssize_t store_rotate_all(struct class_device *class_device, + const char *buf, size_t count) +{ + struct fb_info *info; + int rotate, idx; + char **last = NULL; + + acquire_console_sem(); + idx = con2fb_map[fg_console]; + + if (idx == -1 || registered_fb[idx] == NULL) + goto err; + + info = registered_fb[idx]; + rotate = simple_strtoul(buf, last, 0); + fbcon_rotate_all(info, rotate); +err: + release_console_sem(); + return count; +} + +static ssize_t show_rotate(struct class_device *class_device, char *buf) +{ + struct fb_info *info; + int rotate = 0, idx; + + acquire_console_sem(); + idx = con2fb_map[fg_console]; + + if (idx == -1 || registered_fb[idx] == NULL) + goto err; + + info = registered_fb[idx]; + rotate = fbcon_get_rotate(info); +err: + release_console_sem(); + return snprintf(buf, PAGE_SIZE, "%d\n", rotate); +} + +static struct class_device_attribute class_device_attrs[] = { + __ATTR(rotate, S_IRUGO|S_IWUSR, show_rotate, store_rotate), + __ATTR(rotate_all, S_IWUSR, NULL, store_rotate_all), +}; + +static int fbcon_init_class_device(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) + class_device_create_file(fbcon_class_device, + &class_device_attrs[i]); + return 0; +} + static int __init fb_console_init(void) { int i; @@ -3000,6 +3069,18 @@ static int __init fb_console_init(void) fb_register_client(&fbcon_event_notifier); release_console_sem(); + fbcon_class_device = + class_device_create(fb_class, NULL, + MKDEV(FB_MAJOR, FB_MAX), NULL, + "fbcon"); + if (IS_ERR(fbcon_class_device)) { + printk(KERN_WARNING "Unable to create class_device " + "for fbcon; errno = %ld\n", + PTR_ERR(fbcon_class_device)); + fbcon_class_device = NULL; + } else + fbcon_init_class_device(); + for (i = 0; i < MAX_NR_CONSOLES; i++) con2fb_map[i] = -1; @@ -3020,10 +3101,26 @@ module_init(fb_console_init); #ifdef MODULE +static void __exit fbcon_deinit_class_device(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) + class_device_remove_file(fbcon_class_device, + &class_device_attrs[i]); +} + +static void __exit fbcon_exit(void) +{ + fbcon_deinit_class_device(); + class_device_destroy(fb_class, MKDEV(FB_MAJOR, FB_MAX)); +} + static void __exit fb_console_exit(void) { acquire_console_sem(); fb_unregister_client(&fbcon_event_notifier); + fbcon_exit(); release_console_sem(); give_up_console(&fb_con); } diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h index c38c3d8e7a7..3487a636370 100644 --- a/drivers/video/console/fbcon.h +++ b/drivers/video/console/fbcon.h @@ -175,6 +175,7 @@ extern void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info); #endif extern void fbcon_set_bitops(struct fbcon_ops *ops); extern int soft_cursor(struct fb_info *info, struct fb_cursor *cursor); +extern struct class *fb_class; #define FBCON_ATTRIBUTE_UNDERLINE 1 #define FBCON_ATTRIBUTE_REVERSE 2 |