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    Subject[PATCH] Q40 input api support.

    This patch ports q40 PS/2 controller support over to the input api. Please
    try it out. It is against the latest dave jones tree.

    . ---
    |o_o |
    |:_/ | Give Micro$oft the Bird!!!!
    // \ \ Use Linux!!!!
    (| | )
    /'_ _/`\
    ___)=(___/

    diff -urN -X /home/jsimmons/dontdiff linux-2.5.2-dj7/drivers/input/serio/Config.in linux/drivers/input/serio/Config.in
    --- linux-2.5.2-dj7/drivers/input/serio/Config.in Tue Jan 29 17:36:39 2002
    +++ linux/drivers/input/serio/Config.in Thu Jan 31 11:06:02 2002
    @@ -7,6 +7,7 @@
    dep_tristate ' i8042 PC Keyboard controller' CONFIG_SERIO_I8042 $CONFIG_SERIO $CONFIG_ISA
    dep_tristate ' Serial port line discipline' CONFIG_SERIO_SERPORT $CONFIG_SERIO
    dep_tristate ' ct82c710 Aux port controller' CONFIG_SERIO_CT82C710 $CONFIG_SERIO $CONFIG_ISA
    +dep_tristate ' Q40 keyboard controller' CONFIG_SERIO_Q40KBD $CONFIG_SERIO
    dep_tristate ' Parallel port keyboard adapter' CONFIG_SERIO_PARKBD $CONFIG_SERIO $CONFIG_PARPORT

    if [ "$CONFIG_ARCH_ACORN" = "y" ]; then
    diff -urN -X /home/jsimmons/dontdiff linux-2.5.2-dj7/drivers/input/serio/Makefile linux/drivers/input/serio/Makefile
    --- linux-2.5.2-dj7/drivers/input/serio/Makefile Tue Jan 29 17:36:39 2002
    +++ linux/drivers/input/serio/Makefile Thu Jan 31 10:49:53 2002
    @@ -18,6 +18,7 @@
    obj-$(CONFIG_SERIO_SERPORT) += serport.o
    obj-$(CONFIG_SERIO_CT82C710) += ct82c710.o
    obj-$(CONFIG_SERIO_RPCKBD) += rpckbd.o
    +obj-$(CONFIG_SERIO_Q40KBD) += q40kbd.o

    # The global Rules.make.

    diff -urN -X /home/jsimmons/dontdiff linux-2.5.2-dj7/drivers/input/serio/q40kbd.c linux/drivers/input/serio/q40kbd.c
    --- linux-2.5.2-dj7/drivers/input/serio/q40kbd.c Wed Dec 31 16:00:00 1969
    +++ linux/drivers/input/serio/q40kbd.c Thu Jan 31 10:41:56 2002
    @@ -0,0 +1,104 @@
    +/*
    + * $Id: q40kbd.c,v 1.9 2002/01/23 06:20:52 jsimmons Exp $
    + *
    + * Copyright (c) 2000-2001 Vojtech Pavlik
    + *
    + * Based on the work of:
    + * unknown author
    + */
    +
    +/*
    + * Q40 PS/2 keyboard controller driver for Linux/m68k
    + */
    +
    +/*
    + * 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
    + *
    + * Should you need to contact me, the author, you can do so either by
    + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
    + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
    + */
    +
    +#include <linux/module.h>
    +#include <linux/init.h>
    +#include <linux/serio.h>
    +
    +#include <asm/keyboard.h>
    +#include <asm/bitops.h>
    +#include <asm/io.h>
    +#include <asm/uaccess.h>
    +#include <asm/q40_master.h>
    +#include <asm/irq.h>
    +#include <asm/q40ints.h>
    +
    +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
    +MODULE_DESCRIPTION("Q40 PS/2 keyboard controller driver");
    +MODULE_LICENSE("GPL");
    +
    +static inline void q40kbd_write(unsigned char val)
    +{
    + /* FIXME! We need a way how to write to the keyboard! */
    +}
    +
    +static struct serio q40kbd_port =
    +{
    + type: SERIO_8042,
    + write: q40kbd_write,
    + name: "Q40 PS/2 kbd port",
    + phys: "isa0060/serio0",
    +};
    +
    +static void q40kbd_interrupt(int irq, void *dev_id, struct pt_regs *regs)
    +{
    + unsigned long flags;
    +
    + if (IRQ_KEYB_MASK & master_inb(INTERRUPT_REG))
    + if (q40kbd_port.dev)
    + q40kbd_port.dev->interrupt(&q40kbd_port, master_inb(KEYCODE_REG), 0);
    +
    + master_outb(-1, KEYBOARD_UNLOCK_REG);
    +}
    +
    +void __init q40kbd_init(void)
    +{
    + int maxread = 100;
    +
    + /* Get the keyboard controller registers (incomplete decode) */
    + request_region(0x60, 16, "q40kbd");
    +
    + /* allocate the IRQ */
    + request_irq(Q40_IRQ_KEYBOARD, keyboard_interrupt, 0, "q40kbd", NULL);
    +
    + /* flush any pending input. */
    + while (maxread-- && (IRQ_KEYB_MASK & master_inb(INTERRUPT_REG)))
    + master_inb(KEYCODE_REG);
    +
    + /* off we go */
    + master_outb(-1,KEYBOARD_UNLOCK_REG);
    + master_outb(1,KEY_IRQ_ENABLE_REG);
    +
    + register_serio_port(&q40kbd_port);
    + printk(KERN_INFO "serio: Q40 PS/2 kbd port irq %d\n", Q40_IRQ_KEYBOARD);
    +}
    +
    +void __exit q40kbd_exit(void)
    +{
    + unregister_serio_port(&q40kbd_port);
    + free_irq(Q40_IRQ_KEYBOARD, NULL);
    + release_region(0x60, 16);
    +}
    +
    +module_init(q40kbd_init);
    +module_exit(q40kbd_exit);
    -
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