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Diffstat (limited to 'drivers/char/joystick/db9.c')
-rw-r--r--drivers/char/joystick/db9.c423
1 files changed, 423 insertions, 0 deletions
diff --git a/drivers/char/joystick/db9.c b/drivers/char/joystick/db9.c
new file mode 100644
index 000000000..f9edd0755
--- /dev/null
+++ b/drivers/char/joystick/db9.c
@@ -0,0 +1,423 @@
+/*
+ * $Id: db9.c,v 1.5 2000/05/29 20:39:38 vojtech Exp $
+ *
+ * Copyright (c) 1999 Vojtech Pavlik
+ *
+ * Based on the work of:
+ * Andree Borrmann Mats Sjövall
+ *
+ * Sponsored by SuSE
+ */
+
+/*
+ * Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver for Linux
+ */
+
+/*
+ * 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@suse.cz>, or by paper mail:
+ * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/parport.h>
+#include <linux/input.h>
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
+MODULE_PARM(db9, "2i");
+MODULE_PARM(db9_2, "2i");
+MODULE_PARM(db9_3, "2i");
+
+#define DB9_MULTI_STICK 0x01
+#define DB9_MULTI2_STICK 0x02
+#define DB9_GENESIS_PAD 0x03
+#define DB9_GENESIS5_PAD 0x05
+#define DB9_GENESIS6_PAD 0x06
+#define DB9_SATURN_PAD 0x07
+#define DB9_MULTI_0802 0x08
+#define DB9_MULTI_0802_2 0x09
+#define DB9_CD32_PAD 0x0A
+#define DB9_MAX_PAD 0x0B
+
+#define DB9_UP 0x01
+#define DB9_DOWN 0x02
+#define DB9_LEFT 0x04
+#define DB9_RIGHT 0x08
+#define DB9_FIRE1 0x10
+#define DB9_FIRE2 0x20
+#define DB9_FIRE3 0x40
+#define DB9_FIRE4 0x80
+
+#define DB9_NORMAL 0x0a
+#define DB9_NOSELECT 0x08
+
+#define DB9_SATURN0 0x00
+#define DB9_SATURN1 0x02
+#define DB9_SATURN2 0x04
+#define DB9_SATURN3 0x06
+
+#define DB9_GENESIS6_DELAY 14
+#define DB9_REFRESH_TIME HZ/100
+
+static int db9[] __initdata = { -1, 0 };
+static int db9_2[] __initdata = { -1, 0 };
+static int db9_3[] __initdata = { -1, 0 };
+
+struct db9 {
+ struct input_dev dev[2];
+ struct timer_list timer;
+ struct pardevice *pd;
+ int mode;
+ int used;
+};
+
+static struct db9 *db9_base[3];
+
+static short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB };
+static short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE };
+static short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START };
+
+static char db9_buttons[DB9_MAX_PAD] = { 0, 1, 2, 4, 0, 6, 8, 8, 1, 1, 7 };
+static short *db9_btn[DB9_MAX_PAD] = { db9_multi_btn, db9_multi_btn, db9_genesis_btn, NULL, db9_genesis_btn,
+ db9_genesis_btn, db9_cd32_btn, db9_multi_btn, db9_multi_btn, db9_cd32_btn };
+static char *db9_name[DB9_MAX_PAD] = { NULL, "Multisystem joystick", "Multisystem joystick (2 fire)", "Genesis pad",
+ NULL, "Genesis 5 pad", "Genesis 6 pad", "Saturn pad", "Multisystem (0.8.0.2) joystick",
+ "Multisystem (0.8.0.2-dual) joystick", "Amiga CD-32 pad" };
+
+static void db9_timer(unsigned long private)
+{
+ struct db9 *db9 = (void *) private;
+ struct parport *port = db9->pd->port;
+ struct input_dev *dev = db9->dev;
+ int data, i;
+
+ switch(db9->mode) {
+ case DB9_MULTI_0802_2:
+
+ data = parport_read_data(port) >> 3;
+
+ input_report_abs(dev + 1, ABS_X, (data&DB9_DOWN ?0:1) - (data&DB9_UP ?0:1));
+ input_report_abs(dev + 1, ABS_Y, (data&DB9_RIGHT?0:1) - (data&DB9_LEFT?0:1));
+ input_report_key(dev + 1, BTN_TRIGGER, ~data&DB9_FIRE1);
+
+ case DB9_MULTI_0802:
+
+ data = parport_read_status(port) >> 3;
+
+ input_report_abs(dev, ABS_X, (data&DB9_DOWN ?0:1) - (data&DB9_UP ?0:1));
+ input_report_abs(dev, ABS_Y, (data&DB9_RIGHT?0:1) - (data&DB9_LEFT?0:1));
+ input_report_key(dev, BTN_TRIGGER, data&DB9_FIRE1);
+ break;
+
+ case DB9_MULTI_STICK:
+
+ data = parport_read_data(port);
+
+ input_report_abs(dev, ABS_X, (data&DB9_DOWN ?0:1) - (data&DB9_UP ?0:1));
+ input_report_abs(dev, ABS_Y, (data&DB9_RIGHT?0:1) - (data&DB9_LEFT?0:1));
+ input_report_key(dev, BTN_TRIGGER, ~data&DB9_FIRE1);
+ break;
+
+ case DB9_MULTI2_STICK:
+
+ data = parport_read_data(port);
+
+ input_report_abs(dev, ABS_X, (data&DB9_DOWN ?0:1) - (data&DB9_UP ?0:1));
+ input_report_abs(dev, ABS_Y, (data&DB9_RIGHT?0:1) - (data&DB9_LEFT?0:1));
+ input_report_key(dev, BTN_TRIGGER, ~data&DB9_FIRE1);
+ input_report_key(dev, BTN_THUMB, ~data&DB9_FIRE2);
+ break;
+
+ case DB9_GENESIS_PAD:
+
+ parport_write_control(port, DB9_NOSELECT);
+ data = parport_read_data(port);
+
+ input_report_abs(dev, ABS_X, (data&DB9_DOWN ?0:1) - (data&DB9_UP ?0:1));
+ input_report_abs(dev, ABS_Y, (data&DB9_RIGHT?0:1) - (data&DB9_LEFT?0:1));
+ input_report_key(dev, BTN_B, ~data&DB9_FIRE1);
+ input_report_key(dev, BTN_C, ~data&DB9_FIRE2);
+
+ parport_write_control(port, DB9_NORMAL);
+ data=parport_read_data(port);
+
+ input_report_key(dev, BTN_A, ~data&DB9_FIRE1);
+ input_report_key(dev, BTN_START, ~data&DB9_FIRE2);
+ break;
+
+ case DB9_GENESIS5_PAD:
+
+ parport_write_control(port, DB9_NOSELECT);
+ data=parport_read_data(port);
+
+ input_report_abs(dev, ABS_X, (data&DB9_DOWN ?0:1) - (data&DB9_UP ?0:1));
+ input_report_abs(dev, ABS_Y, (data&DB9_RIGHT?0:1) - (data&DB9_LEFT?0:1));
+ input_report_key(dev, BTN_B, ~data&DB9_FIRE1);
+ input_report_key(dev, BTN_C, ~data&DB9_FIRE2);
+
+ parport_write_control(port, DB9_NORMAL);
+ data=parport_read_data(port);
+
+ input_report_key(dev, BTN_A, ~data&DB9_FIRE1);
+ input_report_key(dev, BTN_X, ~data&DB9_FIRE2);
+ input_report_key(dev, BTN_Y, ~data&DB9_LEFT);
+ input_report_key(dev, BTN_START, ~data&DB9_RIGHT);
+ break;
+
+ case DB9_GENESIS6_PAD:
+
+ parport_write_control(port, DB9_NOSELECT); /* 1 */
+ udelay(DB9_GENESIS6_DELAY);
+ data=parport_read_data(port);
+
+ input_report_abs(dev, ABS_X, (data&DB9_DOWN ?0:1) - (data&DB9_UP ?0:1));
+ input_report_abs(dev, ABS_Y, (data&DB9_RIGHT?0:1) - (data&DB9_LEFT?0:1));
+ input_report_key(dev, BTN_B, ~data&DB9_FIRE1);
+ input_report_key(dev, BTN_C, ~data&DB9_FIRE2);
+
+ parport_write_control(port, DB9_NORMAL);
+ udelay(DB9_GENESIS6_DELAY);
+ data=parport_read_data(port);
+
+ input_report_key(dev, BTN_A, ~data&DB9_FIRE1);
+ input_report_key(dev, BTN_X, ~data&DB9_FIRE2);
+
+ parport_write_control(port, DB9_NOSELECT); /* 2 */
+ udelay(DB9_GENESIS6_DELAY);
+ parport_write_control(port, DB9_NORMAL);
+ udelay(DB9_GENESIS6_DELAY);
+ parport_write_control(port, DB9_NOSELECT); /* 3 */
+ udelay(DB9_GENESIS6_DELAY);
+ data=parport_read_data(port);
+
+ input_report_key(dev, BTN_Y, ~data&DB9_LEFT);
+ input_report_key(dev, BTN_Z, ~data&DB9_DOWN);
+ input_report_key(dev, BTN_MODE, ~data&DB9_UP);
+ input_report_key(dev, BTN_START, ~data&DB9_RIGHT);
+
+ parport_write_control(port, DB9_NORMAL);
+ udelay(DB9_GENESIS6_DELAY);
+ parport_write_control(port, DB9_NOSELECT); /* 4 */
+ udelay(DB9_GENESIS6_DELAY);
+ parport_write_control(port, DB9_NORMAL);
+ break;
+
+ case DB9_SATURN_PAD:
+
+ parport_write_control(port, DB9_SATURN0);
+ data = parport_read_data(port);
+
+ input_report_key(dev, BTN_Y, ~data&DB9_LEFT);
+ input_report_key(dev, BTN_Z, ~data&DB9_DOWN);
+ input_report_key(dev, BTN_TL,~data&DB9_UP);
+ input_report_key(dev, BTN_TR,~data&DB9_RIGHT);
+
+ parport_write_control(port, DB9_SATURN2);
+ data = parport_read_data(port);
+
+ input_report_abs(dev, ABS_X, (data&DB9_DOWN ?0:1) - (data&DB9_UP ?0:1));
+ input_report_abs(dev, ABS_Y, (data&DB9_RIGHT?0:1) - (data&DB9_LEFT?0:1));
+
+ parport_write_control(port, DB9_NORMAL);
+ data = parport_read_data(port);
+
+ input_report_key(dev, BTN_A, ~data&DB9_LEFT);
+ input_report_key(dev, BTN_B, ~data&DB9_UP);
+ input_report_key(dev, BTN_C, ~data&DB9_DOWN);
+ input_report_key(dev, BTN_X, ~data&DB9_RIGHT);
+ break;
+
+ case DB9_CD32_PAD:
+
+ data=parport_read_data(port);
+
+ input_report_abs(dev, ABS_X, (data&DB9_DOWN ?0:1) - (data&DB9_UP ?0:1));
+ input_report_abs(dev, ABS_Y, (data&DB9_RIGHT?0:1) - (data&DB9_LEFT?0:1));
+
+ parport_write_control(port, 0x0a);
+
+ for (i = 0; i < 7; i++) {
+ data = parport_read_data(port);
+ parport_write_control(port, 0x02);
+ parport_write_control(port, 0x0a);
+ input_report_key(dev, db9_cd32_btn[i], ~data&DB9_FIRE2);
+ }
+
+ parport_write_control(port, 0x00);
+ break;
+ }
+
+ mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME);
+}
+
+static int db9_open(struct input_dev *dev)
+{
+ struct db9 *db9 = dev->private;
+ struct parport *port = db9->pd->port;
+
+ if (!db9->used++) {
+ parport_claim(db9->pd);
+ parport_write_data(port, 0xff);
+ parport_data_reverse(port);
+ parport_write_control(port, DB9_NORMAL);
+ mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME);
+ }
+
+ return 0;
+}
+
+static void db9_close(struct input_dev *dev)
+{
+ struct db9 *db9 = dev->private;
+ struct parport *port = db9->pd->port;
+
+ if (!--db9->used) {
+ del_timer(&db9->timer);
+ parport_write_control(port, 0x00);
+ parport_data_forward(port);
+ parport_release(db9->pd);
+ }
+}
+
+static struct db9 __init *db9_probe(int *config)
+{
+ struct db9 *db9;
+ struct parport *pp;
+ int i, j;
+
+ if (config[0] < 0)
+ return NULL;
+ if (config[1] < 1 || config[1] >= DB9_MAX_PAD || !db9_buttons[config[1]]) {
+ printk(KERN_ERR "db9.c: bad config\n");
+ return NULL;
+ }
+
+ for (pp = parport_enumerate(); pp && (config[0] > 0); pp = pp->next)
+ config[0]--;
+
+ if (!pp) {
+ printk(KERN_ERR "db9.c: no such parport\n");
+ return NULL;
+ }
+
+ if (!(pp->modes & PARPORT_MODE_TRISTATE) && config[1] != DB9_MULTI_0802) {
+ printk(KERN_ERR "db9.c: specified parport is not bidirectional\n");
+ return NULL;
+ }
+
+ if (!(db9 = kmalloc(sizeof(struct db9), GFP_KERNEL)))
+ return NULL;
+ memset(db9, 0, sizeof(struct db9));
+
+ db9->mode = config[1];
+ init_timer(&db9->timer);
+ db9->timer.data = (long) db9;
+ db9->timer.function = db9_timer;
+
+ db9->pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
+
+ if (!db9->pd) {
+ printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n");
+ kfree(db9);
+ return NULL;
+ }
+
+ for (i = 0; i < 1 + (db9->mode == DB9_MULTI_0802_2); i++) {
+
+ db9->dev[i].private = db9;
+ db9->dev[i].open = db9_open;
+ db9->dev[i].close = db9_close;
+
+ db9->dev[i].name = db9_name[db9->mode];
+ db9->dev[i].idbus = BUS_PARPORT;
+ db9->dev[i].idvendor = 0x0002;
+ db9->dev[i].idproduct = config[1];
+ db9->dev[i].idversion = 0x0100;
+
+ db9->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ db9->dev[i].absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
+
+ for (j = 0; j < db9_buttons[db9->mode]; j++)
+ set_bit(db9_btn[db9->mode][j], db9->dev[i].keybit);
+
+ db9->dev[i].absmin[ABS_X] = -1; db9->dev[i].absmax[ABS_X] = 1;
+ db9->dev[i].absmin[ABS_Y] = -1; db9->dev[i].absmax[ABS_Y] = 1;
+
+ input_register_device(db9->dev + i);
+ printk(KERN_INFO "input%d: %s on %s\n",
+ db9->dev[i].number, db9_name[db9->mode], db9->pd->port->name);
+ }
+
+ return db9;
+}
+
+#ifndef MODULE
+int __init db9_setup(char *str)
+{
+ int i, ints[3];
+ get_options(str, ARRAY_SIZE(ints), ints);
+ for (i = 0; i <= ints[0] && i < 2; i++) db9[i] = ints[i + 1];
+ return 1;
+}
+int __init db9_setup_2(char *str)
+{
+ int i, ints[3];
+ get_options(str, ARRAY_SIZE(ints), ints);
+ for (i = 0; i <= ints[0] && i < 2; i++) db9_2[i] = ints[i + 1];
+ return 1;
+}
+int __init db9_setup_3(char *str)
+{
+ int i, ints[3];
+ get_options(str, ARRAY_SIZE(ints), ints);
+ for (i = 0; i <= ints[0] && i < 2; i++) db9_3[i] = ints[i + 1];
+ return 1;
+}
+__setup("db9=", db9_setup);
+__setup("db9_2=", db9_setup_2);
+__setup("db9_3=", db9_setup_3);
+#endif
+
+int __init db9_init(void)
+{
+ db9_base[0] = db9_probe(db9);
+ db9_base[1] = db9_probe(db9_2);
+ db9_base[2] = db9_probe(db9_3);
+
+ if (db9_base[0] || db9_base[1] || db9_base[2])
+ return 0;
+
+ return -ENODEV;
+}
+
+void __exit db9_exit(void)
+{
+ int i, j;
+
+ for (i = 0; i < 3; i++)
+ if (db9_base[i]) {
+ for (j = 0; j < 1 + (db9_base[i]->mode == DB9_MULTI_0802_2); j++)
+ input_unregister_device(db9_base[i]->dev + j);
+ parport_unregister_device(db9_base[i]->pd);
+ }
+}
+
+module_init(db9_init);
+module_exit(db9_exit);
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