tty: Add Chinese fonts support in console

Signed-off-by: Haiyong Sun <sunhy@lemote.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>

Author: chenhuacai

include/linux/font.h

@@ -35,6 +35,7 @@ struct font_desc {
 #define FONT6x10_IDX	10
 #define TER16x32_IDX	11
 #define FONT6x8_IDX	12
+#define UTF8x16_IDX	13
 
 extern const struct font_desc	font_vga_8x8,
 			font_vga_8x16,
@@ -48,7 +49,8 @@ extern const struct font_desc	font_vga_8x8,
 			font_mini_4x6,
 			font_6x10,
 			font_ter_16x32,
-			font_6x8;
+			font_6x8,
+			font_utf8_8x16;
 
 /* Find a font with a specific name */
 

lib/fonts/Kconfig

@@ -44,6 +44,17 @@ config FONT_8x16
 
 	  If unsure, say Y.
 
+config FONT_UTF8x16
+	bool "UTF-8 8x16 font" if FONTS
+	depends on FRAMEBUFFER_CONSOLE || SGI_NEWPORT_CONSOLE || STI_CONSOLE || USB_SISUSBVGA_CON
+	default y
+	help
+	  This is the "high resolution" font for the VGA frame buffer (the one
+	  provided by the VGA text console 80x25 mode.
+
+	  If unsure, say Y.
+
+
 config FONT_6x11
 	bool "Mac console 6x11 font (not supported by all drivers)" if FONTS
 	depends on FRAMEBUFFER_CONSOLE || STI_CONSOLE
@@ -139,6 +150,7 @@ config FONT_AUTOSELECT
 	depends on !FONT_10x18
 	depends on !FONT_TER16x32
 	depends on !FONT_6x8
+	depends on !FONT_UTF8x16
 	select FONT_8x16
 
 endif # FONT_SUPPORT

lib/fonts/Makefile

@@ -16,6 +16,7 @@ font-objs-$(CONFIG_FONT_MINI_4x6)  += font_mini_4x6.o
 font-objs-$(CONFIG_FONT_6x10)      += font_6x10.o
 font-objs-$(CONFIG_FONT_TER16x32)  += font_ter16x32.o
 font-objs-$(CONFIG_FONT_6x8)       += font_6x8.o
+font-objs-$(CONFIG_FONT_UTF8x16)   += font_utf8x16.o
 
 font-objs += $(font-objs-y)