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authorH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
commit92988a21ad4c4c9504295ccb580c9f806134471b (patch)
tree5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/include/i8042.h
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
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added boot script files to repository
Diffstat (limited to 'u-boot/include/i8042.h')
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diff --git a/u-boot/include/i8042.h b/u-boot/include/i8042.h
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+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* i8042.h - Intel 8042 keyboard driver header */
+
+#ifndef _I8042_H_
+#define _I8042_H_
+
+#ifdef __I386__
+#include <common.h>
+#include <asm/io.h>
+#define in8(p) inb(p)
+#define out8(p,v) outb(v,p)
+#endif
+
+/* defines */
+
+#define I8042_DATA_REG (CONFIG_SYS_ISA_IO + 0x0060) /* keyboard i/o buffer */
+#define I8042_STATUS_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard status read */
+#define I8042_COMMAND_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard ctrl write */
+
+#define KBD_US 0 /* default US layout */
+#define KBD_GER 1 /* german layout */
+
+#define KBD_TIMEOUT 1000 /* 1 sec */
+#define KBD_RESET_TRIES 3
+
+#define AS 0 /* normal character index */
+#define SH 1 /* shift index */
+#define CN 2 /* control index */
+#define NM 3 /* numeric lock index */
+#define AK 4 /* right alt key */
+#define CP 5 /* capslock index */
+#define ST 6 /* stop output index */
+#define EX 7 /* extended code index */
+#define ES 8 /* escape and extended code index */
+
+#define NORMAL 0x0000 /* normal key */
+#define STP 0x0001 /* scroll lock stop output*/
+#define NUM 0x0002 /* numeric lock */
+#define CAPS 0x0004 /* capslock */
+#define SHIFT 0x0008 /* shift */
+#define CTRL 0x0010 /* control*/
+#define EXT 0x0020 /* extended scan code 0xe0 */
+#define ESC 0x0040 /* escape key press */
+#define E1 0x0080 /* extended scan code 0xe1 */
+#define BRK 0x0100 /* make break flag for keyboard */
+#define ALT 0x0200 /* right alt */
+
+/* exports */
+
+int i8042_kbd_init(void);
+int i8042_tstc(void);
+int i8042_getc(void);
+
+#endif /* _I8042_H_ */