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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2008-04-30 00:54:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 08:29:52 -0700
commitf7511d5f66f01fc451747b24e79f3ada7a3af9af (patch)
tree934196c15e43077641e35286078a6753700a3e3d /include/linux
parent730f412c08c13858f7681bac0a2770fbc9159fed (diff)
Basic braille screen reader support
This adds a minimalistic braille screen reader support. This is meant to be used by blind people e.g. on boot failures or when / cannot be mounted etc and thus the userland screen readers can not work. [akpm@linux-foundation.org: fix exports] Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Cc: Jiri Kosina <jikos@jikos.cz> Cc: Dmitry Torokhov <dtor@mail.ru> Acked-by: Alan Cox <alan@redhat.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/console.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/console.h b/include/linux/console.h
index a5f88a6a259..a4f27fbdf54 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -91,6 +91,7 @@ void give_up_console(const struct consw *sw);
#define CON_ENABLED (4)
#define CON_BOOT (8)
#define CON_ANYTIME (16) /* Safe to call when cpu is offline */
+#define CON_BRL (32) /* Used for a braille device */
struct console {
char name[16];
@@ -121,6 +122,9 @@ extern struct tty_driver *console_device(int *);
extern void console_stop(struct console *);
extern void console_start(struct console *);
extern int is_console_locked(void);
+extern int braille_register_console(struct console *, int index,
+ char *console_options, char *braille_options);
+extern int braille_unregister_console(struct console *);
extern int console_suspend_enabled;