Merge git://git.infradead.org/embedded-2.6
* git://git.infradead.org/embedded-2.6:
Make console charset translation optional
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 6c070dc..d0ac944 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -36,6 +36,14 @@
If unsure, say Y, or else you won't be able to do much with your new
shiny Linux system :-)
+config CONSOLE_TRANSLATIONS
+ depends on VT
+ default y
+ bool "Enable character translations in console" if EMBEDDED
+ ---help---
+ This enables support for font mapping and Unicode translation
+ on virtual consoles.
+
config VT_CONSOLE
bool "Support for console on virtual terminal" if EMBEDDED
depends on VT
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index f7a0d1a..8a161c3 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -12,8 +12,8 @@
obj-$(CONFIG_LEGACY_PTYS) += pty.o
obj-$(CONFIG_UNIX98_PTYS) += pty.o
obj-y += misc.o
-obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o consolemap.o \
- consolemap_deftbl.o selection.o keyboard.o
+obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o selection.o keyboard.o
+obj-$(CONFIG_CONSOLE_TRANSLATIONS) += consolemap.o consolemap_deftbl.o
obj-$(CONFIG_HW_CONSOLE) += vt.o defkeymap.o
obj-$(CONFIG_AUDIT) += tty_audit.o
obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index cb8c90d..82a51f3 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2211,7 +2211,7 @@
c = 0xfffd;
tc = c;
} else { /* no utf or alternate charset mode */
- tc = vc->vc_translate[vc->vc_toggle_meta ? (c | 0x80) : c];
+ tc = vc_translate(vc, c);
}
param.c = tc;
diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h
index e2bf7e5..c4811da 100644
--- a/include/linux/consolemap.h
+++ b/include/linux/consolemap.h
@@ -3,6 +3,9 @@
*
* Interface between console.c, selection.c and consolemap.c
*/
+#ifndef __LINUX_CONSOLEMAP_H__
+#define __LINUX_CONSOLEMAP_H__
+
#define LAT1_MAP 0
#define GRAF_MAP 1
#define IBMPC_MAP 2
@@ -10,6 +13,7 @@
#include <linux/types.h>
+#ifdef CONFIG_CONSOLE_TRANSLATIONS
struct vc_data;
extern u16 inverse_translate(struct vc_data *conp, int glyph, int use_unicode);
@@ -18,3 +22,13 @@
extern u32 conv_8bit_to_uni(unsigned char c);
extern int conv_uni_to_8bit(u32 uni);
void console_map_init(void);
+#else
+#define inverse_translate(conp, glyph, uni) ((uint16_t)glyph)
+#define set_translate(m, vc) ((unsigned short *)NULL)
+#define conv_uni_to_pc(conp, ucs) ((int) (ucs > 0xff ? -1: ucs))
+#define conv_8bit_to_uni(c) ((uint32_t)(c))
+#define conv_uni_to_8bit(c) ((int) ((c) & 0xff))
+#define console_map_init(c) do { ; } while (0)
+#endif /* CONFIG_CONSOLE_TRANSLATIONS */
+
+#endif /* __LINUX_CONSOLEMAP_H__ */
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index 9448ffb..14c0e91 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -12,6 +12,7 @@
#include <linux/mutex.h>
#include <linux/console_struct.h>
#include <linux/mm.h>
+#include <linux/consolemap.h>
/*
* Presently, a lot of graphics programs do not restore the contents of
@@ -54,6 +55,7 @@
struct tty_struct;
int tioclinux(struct tty_struct *tty, unsigned long arg);
+#ifdef CONFIG_CONSOLE_TRANSLATIONS
/* consolemap.c */
struct unimapinit;
@@ -71,6 +73,23 @@
void con_protect_unimap(struct vc_data *vc, int rdonly);
int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc);
+#define vc_translate(vc, c) ((vc)->vc_translate[(c) | \
+ (vc)->vc_toggle_meta ? 0x80 : 0])
+#else
+#define con_set_trans_old(arg) (0)
+#define con_get_trans_old(arg) (-EINVAL)
+#define con_set_trans_new(arg) (0)
+#define con_get_trans_new(arg) (-EINVAL)
+#define con_clear_unimap(vc, ui) (0)
+#define con_set_unimap(vc, ct, list) (0)
+#define con_set_default_unimap(vc) (0)
+#define con_copy_unimap(d, s) (0)
+#define con_get_unimap(vc, ct, uct, list) (-EINVAL)
+#define con_free_unimap(vc) do { ; } while (0)
+
+#define vc_translate(vc, c) (c)
+#endif
+
/* vt.c */
int vt_waitactive(int vt);
void change_console(struct vc_data *new_vc);