patch-2.3.48 linux/arch/mips64/lib/kbd-std.c

• Lines: 82
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/arch/mips64/lib/kbd-std.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/arch/mips64/lib/kbd-std.c linux/arch/mips64/lib/kbd-std.c
@@ -0,0 +1,81 @@
+/* $Id: kbd-std.c,v 1.2 1999/12/04 03:59:00 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Routines for standard PC style keyboards accessible via I/O ports.
+ *
+ * Copyright (C) 1998, 1999 by Ralf Baechle
+ */
+#include <linux/ioport.h>
+#include <linux/sched.h>
+#include <linux/pc_keyb.h>
+#include <asm/keyboard.h>
+#include <asm/io.h>
+
+#define KEYBOARD_IRQ 1
+#define AUX_IRQ 12
+
+static void std_kbd_request_region(void)
+{
+	request_region(0x60, 16, "keyboard");
+}
+
+static int std_kbd_request_irq(void (*handler)(int, void *, struct pt_regs *))
+{
+	return request_irq(KEYBOARD_IRQ, handler, 0, "keyboard", NULL);
+}
+
+static int std_aux_request_irq(void (*handler)(int, void *, struct pt_regs *))
+{
+	return request_irq(AUX_IRQ, handler, 0, "PS/2 Mouse", NULL);
+}
+
+static void std_aux_free_irq(void)
+{
+	free_irq(AUX_IRQ, NULL);
+}
+
+static unsigned char std_kbd_read_input(void)
+{
+	return inb(KBD_DATA_REG);
+}
+
+static void std_kbd_write_output(unsigned char val)
+{
+	int status;
+
+	do {
+		status = inb(KBD_CNTL_REG);
+	} while (status & KBD_STAT_IBF);
+	outb(val, KBD_DATA_REG);
+}
+
+static void std_kbd_write_command(unsigned char val)
+{
+	int status;
+
+	do {
+		status = inb(KBD_CNTL_REG);
+	} while (status & KBD_STAT_IBF);
+	outb(val, KBD_CNTL_REG);
+}
+
+static unsigned char std_kbd_read_status(void)
+{
+	return inb(KBD_STATUS_REG);
+}
+
+struct kbd_ops std_kbd_ops = {
+	std_kbd_request_region,
+	std_kbd_request_irq,
+
+	std_aux_request_irq,
+	std_aux_free_irq,
+
+	std_kbd_read_input,
+	std_kbd_write_output,
+	std_kbd_write_command,
+	std_kbd_read_status
+};