11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Copyright (c) 1999-2001 Vojtech Pavlik 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Based on the work of: 51da177e4SLinus Torvalds * Teemu Rantanen Derrick Cole 61da177e4SLinus Torvalds * Peter Cervasio Christoph Niemann 71da177e4SLinus Torvalds * Philip Blundell Russell King 81da177e4SLinus Torvalds * Bob Harris 91da177e4SLinus Torvalds */ 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds /* 121da177e4SLinus Torvalds * Inport (ATI XL and Microsoft) busmouse driver for Linux 131da177e4SLinus Torvalds */ 141da177e4SLinus Torvalds 151da177e4SLinus Torvalds /* 161da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 171da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 181da177e4SLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 191da177e4SLinus Torvalds * (at your option) any later version. 201da177e4SLinus Torvalds * 211da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 221da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 231da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 241da177e4SLinus Torvalds * GNU General Public License for more details. 251da177e4SLinus Torvalds * 261da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 271da177e4SLinus Torvalds * along with this program; if not, write to the Free Software 281da177e4SLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 291da177e4SLinus Torvalds * 301da177e4SLinus Torvalds * Should you need to contact me, the author, you can do so either by 311da177e4SLinus Torvalds * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: 321da177e4SLinus Torvalds * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 331da177e4SLinus Torvalds */ 341da177e4SLinus Torvalds 351da177e4SLinus Torvalds #include <linux/module.h> 361da177e4SLinus Torvalds #include <linux/ioport.h> 371da177e4SLinus Torvalds #include <linux/init.h> 381da177e4SLinus Torvalds #include <linux/interrupt.h> 391da177e4SLinus Torvalds #include <linux/input.h> 401da177e4SLinus Torvalds 411da177e4SLinus Torvalds #include <asm/io.h> 421da177e4SLinus Torvalds #include <asm/irq.h> 431da177e4SLinus Torvalds 441da177e4SLinus Torvalds MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 451da177e4SLinus Torvalds MODULE_DESCRIPTION("Inport (ATI XL and Microsoft) busmouse driver"); 461da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #define INPORT_BASE 0x23c 491da177e4SLinus Torvalds #define INPORT_EXTENT 4 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds #define INPORT_CONTROL_PORT INPORT_BASE + 0 521da177e4SLinus Torvalds #define INPORT_DATA_PORT INPORT_BASE + 1 531da177e4SLinus Torvalds #define INPORT_SIGNATURE_PORT INPORT_BASE + 2 541da177e4SLinus Torvalds 551da177e4SLinus Torvalds #define INPORT_REG_BTNS 0x00 561da177e4SLinus Torvalds #define INPORT_REG_X 0x01 571da177e4SLinus Torvalds #define INPORT_REG_Y 0x02 581da177e4SLinus Torvalds #define INPORT_REG_MODE 0x07 591da177e4SLinus Torvalds #define INPORT_RESET 0x80 601da177e4SLinus Torvalds 618370a643SRobert P. J. Day #ifdef CONFIG_MOUSE_ATIXL 621da177e4SLinus Torvalds #define INPORT_NAME "ATI XL Mouse" 631da177e4SLinus Torvalds #define INPORT_VENDOR 0x0002 641da177e4SLinus Torvalds #define INPORT_SPEED_30HZ 0x01 651da177e4SLinus Torvalds #define INPORT_SPEED_50HZ 0x02 661da177e4SLinus Torvalds #define INPORT_SPEED_100HZ 0x03 671da177e4SLinus Torvalds #define INPORT_SPEED_200HZ 0x04 681da177e4SLinus Torvalds #define INPORT_MODE_BASE INPORT_SPEED_100HZ 691da177e4SLinus Torvalds #define INPORT_MODE_IRQ 0x08 701da177e4SLinus Torvalds #else 711da177e4SLinus Torvalds #define INPORT_NAME "Microsoft InPort Mouse" 721da177e4SLinus Torvalds #define INPORT_VENDOR 0x0001 731da177e4SLinus Torvalds #define INPORT_MODE_BASE 0x10 741da177e4SLinus Torvalds #define INPORT_MODE_IRQ 0x01 751da177e4SLinus Torvalds #endif 761da177e4SLinus Torvalds #define INPORT_MODE_HOLD 0x20 771da177e4SLinus Torvalds 781da177e4SLinus Torvalds #define INPORT_IRQ 5 791da177e4SLinus Torvalds 801da177e4SLinus Torvalds static int inport_irq = INPORT_IRQ; 81f6b12d04SDavid Howells module_param_hw_named(irq, inport_irq, uint, irq, 0); 821da177e4SLinus Torvalds MODULE_PARM_DESC(irq, "IRQ number (5=default)"); 831da177e4SLinus Torvalds 842e5b636bSDmitry Torokhov static struct input_dev *inport_dev; 852e5b636bSDmitry Torokhov 867d12e780SDavid Howells static irqreturn_t inport_interrupt(int irq, void *dev_id) 872e5b636bSDmitry Torokhov { 882e5b636bSDmitry Torokhov unsigned char buttons; 892e5b636bSDmitry Torokhov 902e5b636bSDmitry Torokhov outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 912e5b636bSDmitry Torokhov outb(INPORT_MODE_HOLD | INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 922e5b636bSDmitry Torokhov 932e5b636bSDmitry Torokhov outb(INPORT_REG_X, INPORT_CONTROL_PORT); 942e5b636bSDmitry Torokhov input_report_rel(inport_dev, REL_X, inb(INPORT_DATA_PORT)); 952e5b636bSDmitry Torokhov 962e5b636bSDmitry Torokhov outb(INPORT_REG_Y, INPORT_CONTROL_PORT); 972e5b636bSDmitry Torokhov input_report_rel(inport_dev, REL_Y, inb(INPORT_DATA_PORT)); 982e5b636bSDmitry Torokhov 992e5b636bSDmitry Torokhov outb(INPORT_REG_BTNS, INPORT_CONTROL_PORT); 1002e5b636bSDmitry Torokhov buttons = inb(INPORT_DATA_PORT); 1012e5b636bSDmitry Torokhov 1022e5b636bSDmitry Torokhov input_report_key(inport_dev, BTN_MIDDLE, buttons & 1); 1032e5b636bSDmitry Torokhov input_report_key(inport_dev, BTN_LEFT, buttons & 2); 1042e5b636bSDmitry Torokhov input_report_key(inport_dev, BTN_RIGHT, buttons & 4); 1052e5b636bSDmitry Torokhov 1062e5b636bSDmitry Torokhov outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1072e5b636bSDmitry Torokhov outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 1082e5b636bSDmitry Torokhov 1092e5b636bSDmitry Torokhov input_sync(inport_dev); 1102e5b636bSDmitry Torokhov return IRQ_HANDLED; 1112e5b636bSDmitry Torokhov } 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds static int inport_open(struct input_dev *dev) 1141da177e4SLinus Torvalds { 1151da177e4SLinus Torvalds if (request_irq(inport_irq, inport_interrupt, 0, "inport", NULL)) 1161da177e4SLinus Torvalds return -EBUSY; 1171da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1181da177e4SLinus Torvalds outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 1191da177e4SLinus Torvalds 1201da177e4SLinus Torvalds return 0; 1211da177e4SLinus Torvalds } 1221da177e4SLinus Torvalds 1231da177e4SLinus Torvalds static void inport_close(struct input_dev *dev) 1241da177e4SLinus Torvalds { 1251da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1261da177e4SLinus Torvalds outb(INPORT_MODE_BASE, INPORT_DATA_PORT); 1271da177e4SLinus Torvalds free_irq(inport_irq, NULL); 1281da177e4SLinus Torvalds } 1291da177e4SLinus Torvalds 1301da177e4SLinus Torvalds static int __init inport_init(void) 1311da177e4SLinus Torvalds { 1321da177e4SLinus Torvalds unsigned char a, b, c; 13372155615SDmitry Torokhov int err; 1341da177e4SLinus Torvalds 1351da177e4SLinus Torvalds if (!request_region(INPORT_BASE, INPORT_EXTENT, "inport")) { 1361da177e4SLinus Torvalds printk(KERN_ERR "inport.c: Can't allocate ports at %#x\n", INPORT_BASE); 1371da177e4SLinus Torvalds return -EBUSY; 1381da177e4SLinus Torvalds } 1391da177e4SLinus Torvalds 1401da177e4SLinus Torvalds a = inb(INPORT_SIGNATURE_PORT); 1411da177e4SLinus Torvalds b = inb(INPORT_SIGNATURE_PORT); 1421da177e4SLinus Torvalds c = inb(INPORT_SIGNATURE_PORT); 1432e5b636bSDmitry Torokhov if (a == b || a != c) { 1442a0f9c4cSHelge Deller printk(KERN_INFO "inport.c: Didn't find InPort mouse at %#x\n", INPORT_BASE); 14572155615SDmitry Torokhov err = -ENODEV; 14672155615SDmitry Torokhov goto err_release_region; 1471da177e4SLinus Torvalds } 1481da177e4SLinus Torvalds 14972155615SDmitry Torokhov inport_dev = input_allocate_device(); 15072155615SDmitry Torokhov if (!inport_dev) { 1512e5b636bSDmitry Torokhov printk(KERN_ERR "inport.c: Not enough memory for input device\n"); 15272155615SDmitry Torokhov err = -ENOMEM; 15372155615SDmitry Torokhov goto err_release_region; 1542e5b636bSDmitry Torokhov } 1552e5b636bSDmitry Torokhov 1562e5b636bSDmitry Torokhov inport_dev->name = INPORT_NAME; 1572e5b636bSDmitry Torokhov inport_dev->phys = "isa023c/input0"; 1582e5b636bSDmitry Torokhov inport_dev->id.bustype = BUS_ISA; 1592e5b636bSDmitry Torokhov inport_dev->id.vendor = INPORT_VENDOR; 1602e5b636bSDmitry Torokhov inport_dev->id.product = 0x0001; 1612e5b636bSDmitry Torokhov inport_dev->id.version = 0x0100; 1622e5b636bSDmitry Torokhov 1637b19ada2SJiri Slaby inport_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 1647b19ada2SJiri Slaby inport_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | 1657b19ada2SJiri Slaby BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 1667b19ada2SJiri Slaby inport_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 1672e5b636bSDmitry Torokhov 1682e5b636bSDmitry Torokhov inport_dev->open = inport_open; 1692e5b636bSDmitry Torokhov inport_dev->close = inport_close; 1702e5b636bSDmitry Torokhov 1711da177e4SLinus Torvalds outb(INPORT_RESET, INPORT_CONTROL_PORT); 1721da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1731da177e4SLinus Torvalds outb(INPORT_MODE_BASE, INPORT_DATA_PORT); 1741da177e4SLinus Torvalds 17572155615SDmitry Torokhov err = input_register_device(inport_dev); 17672155615SDmitry Torokhov if (err) 17772155615SDmitry Torokhov goto err_free_dev; 1781da177e4SLinus Torvalds 1791da177e4SLinus Torvalds return 0; 18072155615SDmitry Torokhov 18172155615SDmitry Torokhov err_free_dev: 18272155615SDmitry Torokhov input_free_device(inport_dev); 18372155615SDmitry Torokhov err_release_region: 18472155615SDmitry Torokhov release_region(INPORT_BASE, INPORT_EXTENT); 18572155615SDmitry Torokhov 18672155615SDmitry Torokhov return err; 1871da177e4SLinus Torvalds } 1881da177e4SLinus Torvalds 1891da177e4SLinus Torvalds static void __exit inport_exit(void) 1901da177e4SLinus Torvalds { 1912e5b636bSDmitry Torokhov input_unregister_device(inport_dev); 1921da177e4SLinus Torvalds release_region(INPORT_BASE, INPORT_EXTENT); 1931da177e4SLinus Torvalds } 1941da177e4SLinus Torvalds 1951da177e4SLinus Torvalds module_init(inport_init); 1961da177e4SLinus Torvalds module_exit(inport_exit); 197