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SubjectRe: [PATCH] amiga input api drivers

Another try at the amiga input keyboard driver. Here you go. Please apply

diff -urN -X /home/jsimmons/dontdiff linux-2.5.4-dj1/arch/m68k/amiga/config.c linux/arch/m68k/amiga/config.c
--- linux-2.5.4-dj1/arch/m68k/amiga/config.c Wed Jan 16 10:31:50 2002
+++ linux/arch/m68k/amiga/config.c Wed Feb 13 10:26:42 2002
@@ -69,11 +69,13 @@
extern char m68k_debug_device[];

static void amiga_sched_init(void (*handler)(int, void *, struct pt_regs *));
+#ifndef CONFIG_KEYBOARD_AMIGA
/* amiga specific keyboard functions */
extern int amiga_keyb_init(void);
extern int amiga_kbdrate (struct kbd_repeat *);
extern int amiga_kbd_translate(unsigned char keycode, unsigned char *keycodep,
char raw_mode);
+#endif
/* amiga specific irq functions */
extern void amiga_init_IRQ (void);
extern void (*amiga_default_handler[]) (int, void *, struct pt_regs *);
@@ -389,9 +391,11 @@
request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);

mach_sched_init = amiga_sched_init;
+#ifndef CONFIG_KEYBOARD_AMIGA
mach_keyb_init = amiga_keyb_init;
mach_kbdrate = amiga_kbdrate;
mach_kbd_translate = amiga_kbd_translate;
+#endif
SYSRQ_KEY = 0xff;
mach_init_IRQ = amiga_init_IRQ;
mach_default_handler = &amiga_default_handler;
diff -urN -X /home/jsimmons/dontdiff linux-2.5.4-dj1/arch/ppc/amiga/config.c linux/arch/ppc/amiga/config.c
--- linux-2.5.4-dj1/arch/ppc/amiga/config.c Wed Jan 16 10:31:50 2002
+++ linux/arch/ppc/amiga/config.c Wed Feb 13 10:26:42 2002
@@ -77,9 +77,11 @@
extern char m68k_debug_device[];

static void amiga_sched_init(void (*handler)(int, void *, struct pt_regs *));
+#ifndef CONFIG_KEYBOARD_AMIGA
/* amiga specific keyboard functions */
extern int amiga_keyb_init(void);
extern int amiga_kbdrate (struct kbd_repeat *);
+#endif
/* amiga specific irq functions */
extern void amiga_init_IRQ (void);
extern void (*amiga_default_handler[]) (int, void *, struct pt_regs *);
@@ -409,8 +411,10 @@
request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);

mach_sched_init = amiga_sched_init;
+#ifndef CONFIG_KEYBOARD_AMIGA
mach_keyb_init = amiga_keyb_init;
mach_kbdrate = amiga_kbdrate;
+#endif
mach_init_IRQ = amiga_init_IRQ;
mach_default_handler = &amiga_default_handler;
#ifndef CONFIG_APUS
diff -urN -X /home/jsimmons/dontdiff linux-2.5.4-dj1/arch/ppc/kernel/apus_setup.c linux/arch/ppc/kernel/apus_setup.c
--- linux-2.5.4-dj1/arch/ppc/kernel/apus_setup.c Mon Dec 17 11:16:56 2001
+++ linux/arch/ppc/kernel/apus_setup.c Wed Feb 13 10:26:42 2002
@@ -801,9 +801,11 @@
static void apus_kbd_init_hw(void)
{
#ifdef CONFIG_APUS
+#ifndef CONFIG_KEYBOARD_AMIGA
extern int amiga_keyb_init(void);

amiga_keyb_init();
+#endif
#endif
}

diff -urN -X /home/jsimmons/dontdiff linux-2.5.4-dj1/drivers/input/keyboard/Config.help linux/drivers/input/keyboard/Config.help
--- linux-2.5.4-dj1/drivers/input/keyboard/Config.help Tue Feb 12 10:48:06 2002
+++ linux/drivers/input/keyboard/Config.help Wed Feb 13 10:30:17 2002
@@ -55,3 +55,12 @@
The module will be called maple_keyb.o. If you want to compile it as a
module, say M here and read <file:Documentation/modules.txt>.

+CONFIG_KEYBOARD_AMIGA
+ Say Y here if you are running Linux on a m68k amiga and have a keyboard
+ attached.
+
+ This driver is also available as a module ( = code which can be
+ inserted in and removed from the running kernel whenever you want).
+ The module will be called maple_keyb.o. If you want to compile it as a
+ module, say M here and read <file:Documentation/modules.txt>.
+
diff -urN -X /home/jsimmons/dontdiff linux-2.5.4-dj1/drivers/input/keyboard/Config.in linux/drivers/input/keyboard/Config.in
--- linux-2.5.4-dj1/drivers/input/keyboard/Config.in Tue Feb 12 10:48:06 2002
+++ linux/drivers/input/keyboard/Config.in Wed Feb 13 10:28:55 2002
@@ -12,3 +12,7 @@
if [ "$CONFIG_SH_DREAMCAST" = "y" ]; then
dep_tristate ' Maple bus keyboard support' CONFIG_KEYBOARD_MAPLE $CONFIG_INPUT $CONFIG_INPUT_KEYBOARD $CONFIG_MAPLE
fi
+
+if [ "$CONFIG_AMIGA" = "y" ]; then
+ dep_tristate ' Amiga keyboard' CONFIG_KEYBOARD_AMIGA $CONFIG_INPUT $CONFIG_INPUT_KEYBOARD
+fi
diff -urN -X /home/jsimmons/dontdiff linux-2.5.4-dj1/drivers/input/keyboard/Makefile linux/drivers/input/keyboard/Makefile
--- linux-2.5.4-dj1/drivers/input/keyboard/Makefile Tue Feb 12 10:48:06 2002
+++ linux/drivers/input/keyboard/Makefile Wed Feb 13 10:26:42 2002
@@ -13,6 +13,7 @@
obj-$(CONFIG_KEYBOARD_PS2SERKBD) += ps2serkbd.o
obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o
+obj-$(CONFIG_KEYBOARD_AMIGA) += amikbd.o

# The global Rules.make.

diff -urN -X /home/jsimmons/dontdiff linux-2.5.4-dj1/drivers/input/keyboard/amikbd.c linux/drivers/input/keyboard/amikbd.c
--- linux-2.5.4-dj1/drivers/input/keyboard/amikbd.c Wed Dec 31 16:00:00 1969
+++ linux/drivers/input/keyboard/amikbd.c Wed Feb 13 10:27:09 2002
@@ -0,0 +1,144 @@
+/*
+ * $Id: amikbd.c,v 1.13 2002/02/01 16:02:24 vojtech Exp $
+ *
+ * Copyright (c) 2000-2001 Vojtech Pavlik
+ *
+ * Based on the work of:
+ * Hamish Macdonald
+ */
+
+/*
+ * Amiga keyboard 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/input.h>
+
+#include <asm/amigaints.h>
+#include <asm/amigahw.h>
+#include <asm/irq.h>
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
+MODULE_DESCRIPTION("Amiga keyboard driver");
+MODULE_LICENSE("GPL");
+
+static unsigned char amikbd_keycode[0x78] = {
+ 41, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 43, 0, 82,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 0, 79, 80, 81,
+ 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 0, 0, 75, 76, 77,
+ 0, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 0, 83, 71, 72, 73,
+ 57, 14, 15, 96, 28, 1,111, 0, 0, 0, 74, 0,103,108,106,105,
+ 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 98, 55, 78, 87,
+ 42, 54, 58, 29, 56,100
+}
+
+static char *amikbd_messages[] = {
+ KERN_ALERT "amikbd: Ctrl-Amiga-Amiga reset warning!!\n",
+ KERN_WARNING "amikbd: keyboard lost sync\n",
+ KERN_WARNING "amikbd: keyboard buffer overflow\n",
+ KERN_WARNING "amikbd: keyboard controller failure\n",
+ KERN_ERR "amikbd: keyboard selftest failure\n",
+ KERN_INFO "amikbd: initiate power-up key stream\n",
+ KERN_INFO "amikbd: terminate power-up key stream\n",
+ KERN_WARNING "amikbd: keyboard interrupt\n"
+};
+
+static struct input_dev amikbd_dev;
+
+static char *amikbd_name = "Amiga keyboard";
+static char *amikbd_phys = "amikbd/input0";
+
+static void amikbd_interrupt(int irq, void *dummy, struct pt_regs *fp)
+{
+ unsigned char scancode, down;
+
+ scancode = ~ciaa.sdr; /* get and invert scancode (keyboard is active low) */
+ ciaa.cra |= 0x40; /* switch SP pin to output for handshake */
+ udelay(85); /* wait until 85 us have expired */
+ ciaa.cra &= ~0x40; /* switch CIA serial port to input mode */
+
+ down = scancode & 1; /* lowest bit is release bit */
+ scancode = scancode >> 1;
+
+ if (scancode < 0x78) { /* scancodes < 0x78 are keys */
+
+ scancode = amikbd_keycode[scancode];
+
+ if (scancode == KEY_CAPS) { /* CapsLock is a toggle switch key on Amiga */
+ input_report_key(&amikbd_dev, scancode, 1);
+ input_report_key(&amikbd_dev, scancode, 0);
+ return;
+ }
+
+ input_report_key(&amikbd_dev, scancode, down);
+
+ return;
+ }
+
+ printk(amikbd_messages[scancode - 0x78]); /* scancodes >= 0x78 are error codes */
+}
+
+static int __init amikbd_init(void)
+{
+ int i;
+
+ if (!AMIGAHW_PRESENT(AMI_KEYBOARD))
+ return -EIO;
+
+ if (!request_mem_region(CIAA_PHYSADDR-1+0xb00, 0x100, "amikeyb"))
+ return -EBUSY;
+
+ amikbd_dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+ amikbd_dev.keycode = amikbd_keycode;
+
+ for (i = 0; i < 0x78; i++)
+ if (amikbd_keycode[i])
+ set_bit(amikbd_keycode[i], amikbd_dev.keybit);
+
+ ciaa.cra &= ~0x41; /* serial data in, turn off TA */
+ request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd", NULL);
+
+ amikbd_dev.name = amikbd_name;
+ amikbd_dev.phys = amikbd_phys;
+ amikbd_dev.idbus = BUS_AMIGA;
+ amikbd_dev.idvendor = 0x0001;
+ amikbd_dev.idproduct = 0x0001;
+ amikbd_dev.idversion = 0x0100;
+
+ input_register_device(&amikbd_dev);
+
+ printk(KERN_INFO "input: %s\n", amikbd_name);
+
+ return 0;
+}
+
+static void __exit amikbd_exit(void)
+{
+ input_unregister_device(&amikbd_dev);
+ free_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt);
+ release_mem_region(CIAA_PHYSADDR-1+0xb00, 0x100);
+}
+
+module_init(amikbd_init);
+module_exit(amikbd_exit);

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