1 files changed, 161 insertions, 0 deletions

diff --git a/drivers/input/joystick/amijoy.c b/drivers/input/joystick/amijoy.c
new file mode 100644
index 000000000000..cf36ca9b92f3
--- /dev/null
+++ b/drivers/input/joystick/amijoy.c
@@ -0,0 +1,161 @@
+/*
+ * $Id: amijoy.c,v 1.13 2002/01/22 20:26:32 vojtech Exp $
+ *
+ *  Copyright (c) 1998-2001 Vojtech Pavlik
+ */
+
+/*
+ * Driver for Amiga joysticks 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/types.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+
+#include <asm/system.h>
+#include <asm/amigahw.h>
+#include <asm/amigaints.h>
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
+MODULE_DESCRIPTION("Driver for Amiga joysticks");
+MODULE_LICENSE("GPL");
+
+static int amijoy[2] = { 0, 1 };
+module_param_array_named(map, amijoy, uint, NULL, 0);
+MODULE_PARM_DESC(map, "Map of attached joysticks in form of <a>,<b> (default is 0,1)");
+
+__obsolete_setup("amijoy=");
+
+static int amijoy_used[2] = { 0, 0 };
+static struct input_dev amijoy_dev[2];
+static char *amijoy_phys[2] = { "amijoy/input0", "amijoy/input1" };
+
+static char *amijoy_name = "Amiga joystick";
+
+static irqreturn_t amijoy_interrupt(int irq, void *dummy, struct pt_regs *fp)
+{
+        int i, data = 0, button = 0;
+
+        for (i = 0; i < 2; i++)
+                if (amijoy[i]) {
+
+                        switch (i) {
+                                case 0: data = ~custom.joy0dat; button = (~ciaa.pra >> 6) & 1; break;
+                                case 1: data = ~custom.joy1dat; button = (~ciaa.pra >> 7) & 1; break;
+                        }
+
+                        input_regs(amijoy_dev + i, fp);
+
+                        input_report_key(amijoy_dev + i, BTN_TRIGGER, button);
+
+                        input_report_abs(amijoy_dev + i, ABS_X, ((data >> 1) & 1) - ((data >> 9) & 1));
+                        data = ~(data ^ (data << 1));
+                        input_report_abs(amijoy_dev + i, ABS_Y, ((data >> 1) & 1) - ((data >> 9) & 1));
+
+                        input_sync(amijoy_dev + i);
+                }
+        return IRQ_HANDLED;
+}
+
+static int amijoy_open(struct input_dev *dev)
+{
+        int *used = dev->private;
+
+        if ((*used)++)
+                return 0;
+
+        if (request_irq(IRQ_AMIGA_VERTB, amijoy_interrupt, 0, "amijoy", amijoy_interrupt)) {
+                (*used)--;
+                printk(KERN_ERR "amijoy.c: Can't allocate irq %d\n", IRQ_AMIGA_VERTB);
+                return -EBUSY;
+        }
+
+        return 0;
+}
+
+static void amijoy_close(struct input_dev *dev)
+{
+        int *used = dev->private;
+
+        if (!--(*used))
+                free_irq(IRQ_AMIGA_VERTB, amijoy_interrupt);
+}
+
+static int __init amijoy_init(void)
+{
+        int i, j;
+
+        for (i = 0; i < 2; i++)
+                if (amijoy[i]) {
+                        if (!request_mem_region(CUSTOM_PHYSADDR+10+i*2, 2,
+                                                "amijoy [Denise]")) {
+                                if (i == 1 && amijoy[0]) {
+                                        input_unregister_device(amijoy_dev);
+                                        release_mem_region(CUSTOM_PHYSADDR+10, 2);
+                                }
+                                return -EBUSY;
+                        }
+
+                        amijoy_dev[i].open = amijoy_open;
+                        amijoy_dev[i].close = amijoy_close;
+                        amijoy_dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+                        amijoy_dev[i].absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
+                        amijoy_dev[i].keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+                        for (j = 0; j < 2; j++) {
+                                amijoy_dev[i].absmin[ABS_X + j] = -1;
+                                amijoy_dev[i].absmax[ABS_X + j] = 1;
+                        }
+
+                        amijoy_dev[i].name = amijoy_name;
+                        amijoy_dev[i].phys = amijoy_phys[i];
+                        amijoy_dev[i].id.bustype = BUS_AMIGA;
+                        amijoy_dev[i].id.vendor = 0x0001;
+                        amijoy_dev[i].id.product = 0x0003;
+                        amijoy_dev[i].id.version = 0x0100;
+
+                        amijoy_dev[i].private = amijoy_used + i;
+
+                        input_register_device(amijoy_dev + i);
+                        printk(KERN_INFO "input: %s at joy%ddat\n", amijoy_name, i);
+                }
+        return 0;
+}
+
+static void __exit amijoy_exit(void)
+{
+        int i;
+
+        for (i = 0; i < 2; i++)
+                if (amijoy[i]) {
+                        input_unregister_device(amijoy_dev + i);
+                        release_mem_region(CUSTOM_PHYSADDR+10+i*2, 2);
+                }
+}
+
+module_init(amijoy_init);
+module_exit(amijoy_exit);