* (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
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* 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 (CFG_ISA_IO + 0x0060) /* keyboard i/o buffer */
-#define I8042_STATUS_REG (CFG_ISA_IO + 0x0064) /* keyboard status read */
-#define I8042_COMMAND_REG (CFG_ISA_IO + 0x0064) /* keyboard ctrl write */
+#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 */
+
+enum {
+ /* Output register (I8042_DATA_REG) has data for system */
+ I8042_STATUS_OUT_DATA = 1 << 0,
+ I8042_STATUS_IN_DATA = 1 << 1,
+};
#define KBD_US 0 /* default US layout */
#define KBD_GER 1 /* german layout */
/* exports */
+/**
+ * Flush all buffer from keyboard controller to host.
+ */
+void i8042_flush(void);
+
+/**
+ * Disables the keyboard so that key strokes no longer generate scancodes to
+ * the host.
+ *
+ * @return 0 if ok, -1 if keyboard input was found while disabling
+ */
+int i8042_disable(void);
+
+struct stdio_dev;
+
int i8042_kbd_init(void);
-int i8042_tstc(void);
-int i8042_getc(void);
+int i8042_tstc(struct stdio_dev *dev);
+int i8042_getc(struct stdio_dev *dev);
#endif /* _I8042_H_ */