11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * $Id: inport.c,v 1.11 2001/09/25 10:12:07 vojtech Exp $ 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (c) 1999-2001 Vojtech Pavlik 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * Based on the work of: 71da177e4SLinus Torvalds * Teemu Rantanen Derrick Cole 81da177e4SLinus Torvalds * Peter Cervasio Christoph Niemann 91da177e4SLinus Torvalds * Philip Blundell Russell King 101da177e4SLinus Torvalds * Bob Harris 111da177e4SLinus Torvalds */ 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds /* 141da177e4SLinus Torvalds * Inport (ATI XL and Microsoft) busmouse driver for Linux 151da177e4SLinus Torvalds */ 161da177e4SLinus Torvalds 171da177e4SLinus Torvalds /* 181da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 191da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 201da177e4SLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 211da177e4SLinus Torvalds * (at your option) any later version. 221da177e4SLinus Torvalds * 231da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 241da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 251da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 261da177e4SLinus Torvalds * GNU General Public License for more details. 271da177e4SLinus Torvalds * 281da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 291da177e4SLinus Torvalds * along with this program; if not, write to the Free Software 301da177e4SLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 311da177e4SLinus Torvalds * 321da177e4SLinus Torvalds * Should you need to contact me, the author, you can do so either by 331da177e4SLinus Torvalds * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: 341da177e4SLinus Torvalds * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 351da177e4SLinus Torvalds */ 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds #include <linux/module.h> 381da177e4SLinus Torvalds #include <linux/moduleparam.h> 391da177e4SLinus Torvalds #include <linux/ioport.h> 401da177e4SLinus Torvalds #include <linux/init.h> 411da177e4SLinus Torvalds #include <linux/interrupt.h> 421da177e4SLinus Torvalds #include <linux/input.h> 431da177e4SLinus Torvalds 441da177e4SLinus Torvalds #include <asm/io.h> 451da177e4SLinus Torvalds #include <asm/irq.h> 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 481da177e4SLinus Torvalds MODULE_DESCRIPTION("Inport (ATI XL and Microsoft) busmouse driver"); 491da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds #define INPORT_BASE 0x23c 521da177e4SLinus Torvalds #define INPORT_EXTENT 4 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds #define INPORT_CONTROL_PORT INPORT_BASE + 0 551da177e4SLinus Torvalds #define INPORT_DATA_PORT INPORT_BASE + 1 561da177e4SLinus Torvalds #define INPORT_SIGNATURE_PORT INPORT_BASE + 2 571da177e4SLinus Torvalds 581da177e4SLinus Torvalds #define INPORT_REG_BTNS 0x00 591da177e4SLinus Torvalds #define INPORT_REG_X 0x01 601da177e4SLinus Torvalds #define INPORT_REG_Y 0x02 611da177e4SLinus Torvalds #define INPORT_REG_MODE 0x07 621da177e4SLinus Torvalds #define INPORT_RESET 0x80 631da177e4SLinus Torvalds 648370a643SRobert P. J. Day #ifdef CONFIG_MOUSE_ATIXL 651da177e4SLinus Torvalds #define INPORT_NAME "ATI XL Mouse" 661da177e4SLinus Torvalds #define INPORT_VENDOR 0x0002 671da177e4SLinus Torvalds #define INPORT_SPEED_30HZ 0x01 681da177e4SLinus Torvalds #define INPORT_SPEED_50HZ 0x02 691da177e4SLinus Torvalds #define INPORT_SPEED_100HZ 0x03 701da177e4SLinus Torvalds #define INPORT_SPEED_200HZ 0x04 711da177e4SLinus Torvalds #define INPORT_MODE_BASE INPORT_SPEED_100HZ 721da177e4SLinus Torvalds #define INPORT_MODE_IRQ 0x08 731da177e4SLinus Torvalds #else 741da177e4SLinus Torvalds #define INPORT_NAME "Microsoft InPort Mouse" 751da177e4SLinus Torvalds #define INPORT_VENDOR 0x0001 761da177e4SLinus Torvalds #define INPORT_MODE_BASE 0x10 771da177e4SLinus Torvalds #define INPORT_MODE_IRQ 0x01 781da177e4SLinus Torvalds #endif 791da177e4SLinus Torvalds #define INPORT_MODE_HOLD 0x20 801da177e4SLinus Torvalds 811da177e4SLinus Torvalds #define INPORT_IRQ 5 821da177e4SLinus Torvalds 831da177e4SLinus Torvalds static int inport_irq = INPORT_IRQ; 841da177e4SLinus Torvalds module_param_named(irq, inport_irq, uint, 0); 851da177e4SLinus Torvalds MODULE_PARM_DESC(irq, "IRQ number (5=default)"); 861da177e4SLinus Torvalds 872e5b636bSDmitry Torokhov static struct input_dev *inport_dev; 882e5b636bSDmitry Torokhov 897d12e780SDavid Howells static irqreturn_t inport_interrupt(int irq, void *dev_id) 902e5b636bSDmitry Torokhov { 912e5b636bSDmitry Torokhov unsigned char buttons; 922e5b636bSDmitry Torokhov 932e5b636bSDmitry Torokhov outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 942e5b636bSDmitry Torokhov outb(INPORT_MODE_HOLD | INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 952e5b636bSDmitry Torokhov 962e5b636bSDmitry Torokhov outb(INPORT_REG_X, INPORT_CONTROL_PORT); 972e5b636bSDmitry Torokhov input_report_rel(inport_dev, REL_X, inb(INPORT_DATA_PORT)); 982e5b636bSDmitry Torokhov 992e5b636bSDmitry Torokhov outb(INPORT_REG_Y, INPORT_CONTROL_PORT); 1002e5b636bSDmitry Torokhov input_report_rel(inport_dev, REL_Y, inb(INPORT_DATA_PORT)); 1012e5b636bSDmitry Torokhov 1022e5b636bSDmitry Torokhov outb(INPORT_REG_BTNS, INPORT_CONTROL_PORT); 1032e5b636bSDmitry Torokhov buttons = inb(INPORT_DATA_PORT); 1042e5b636bSDmitry Torokhov 1052e5b636bSDmitry Torokhov input_report_key(inport_dev, BTN_MIDDLE, buttons & 1); 1062e5b636bSDmitry Torokhov input_report_key(inport_dev, BTN_LEFT, buttons & 2); 1072e5b636bSDmitry Torokhov input_report_key(inport_dev, BTN_RIGHT, buttons & 4); 1082e5b636bSDmitry Torokhov 1092e5b636bSDmitry Torokhov outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1102e5b636bSDmitry Torokhov outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 1112e5b636bSDmitry Torokhov 1122e5b636bSDmitry Torokhov input_sync(inport_dev); 1132e5b636bSDmitry Torokhov return IRQ_HANDLED; 1142e5b636bSDmitry Torokhov } 1151da177e4SLinus Torvalds 1161da177e4SLinus Torvalds static int inport_open(struct input_dev *dev) 1171da177e4SLinus Torvalds { 1181da177e4SLinus Torvalds if (request_irq(inport_irq, inport_interrupt, 0, "inport", NULL)) 1191da177e4SLinus Torvalds return -EBUSY; 1201da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1211da177e4SLinus Torvalds outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 1221da177e4SLinus Torvalds 1231da177e4SLinus Torvalds return 0; 1241da177e4SLinus Torvalds } 1251da177e4SLinus Torvalds 1261da177e4SLinus Torvalds static void inport_close(struct input_dev *dev) 1271da177e4SLinus Torvalds { 1281da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1291da177e4SLinus Torvalds outb(INPORT_MODE_BASE, INPORT_DATA_PORT); 1301da177e4SLinus Torvalds free_irq(inport_irq, NULL); 1311da177e4SLinus Torvalds } 1321da177e4SLinus Torvalds 1331da177e4SLinus Torvalds static int __init inport_init(void) 1341da177e4SLinus Torvalds { 1351da177e4SLinus Torvalds unsigned char a, b, c; 13672155615SDmitry Torokhov int err; 1371da177e4SLinus Torvalds 1381da177e4SLinus Torvalds if (!request_region(INPORT_BASE, INPORT_EXTENT, "inport")) { 1391da177e4SLinus Torvalds printk(KERN_ERR "inport.c: Can't allocate ports at %#x\n", INPORT_BASE); 1401da177e4SLinus Torvalds return -EBUSY; 1411da177e4SLinus Torvalds } 1421da177e4SLinus Torvalds 1431da177e4SLinus Torvalds a = inb(INPORT_SIGNATURE_PORT); 1441da177e4SLinus Torvalds b = inb(INPORT_SIGNATURE_PORT); 1451da177e4SLinus Torvalds c = inb(INPORT_SIGNATURE_PORT); 1462e5b636bSDmitry Torokhov if (a == b || a != c) { 147*2a0f9c4cSHelge Deller printk(KERN_INFO "inport.c: Didn't find InPort mouse at %#x\n", INPORT_BASE); 14872155615SDmitry Torokhov err = -ENODEV; 14972155615SDmitry Torokhov goto err_release_region; 1501da177e4SLinus Torvalds } 1511da177e4SLinus Torvalds 15272155615SDmitry Torokhov inport_dev = input_allocate_device(); 15372155615SDmitry Torokhov if (!inport_dev) { 1542e5b636bSDmitry Torokhov printk(KERN_ERR "inport.c: Not enough memory for input device\n"); 15572155615SDmitry Torokhov err = -ENOMEM; 15672155615SDmitry Torokhov goto err_release_region; 1572e5b636bSDmitry Torokhov } 1582e5b636bSDmitry Torokhov 1592e5b636bSDmitry Torokhov inport_dev->name = INPORT_NAME; 1602e5b636bSDmitry Torokhov inport_dev->phys = "isa023c/input0"; 1612e5b636bSDmitry Torokhov inport_dev->id.bustype = BUS_ISA; 1622e5b636bSDmitry Torokhov inport_dev->id.vendor = INPORT_VENDOR; 1632e5b636bSDmitry Torokhov inport_dev->id.product = 0x0001; 1642e5b636bSDmitry Torokhov inport_dev->id.version = 0x0100; 1652e5b636bSDmitry Torokhov 1667b19ada2SJiri Slaby inport_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 1677b19ada2SJiri Slaby inport_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | 1687b19ada2SJiri Slaby BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 1697b19ada2SJiri Slaby inport_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 1702e5b636bSDmitry Torokhov 1712e5b636bSDmitry Torokhov inport_dev->open = inport_open; 1722e5b636bSDmitry Torokhov inport_dev->close = inport_close; 1732e5b636bSDmitry Torokhov 1741da177e4SLinus Torvalds outb(INPORT_RESET, INPORT_CONTROL_PORT); 1751da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1761da177e4SLinus Torvalds outb(INPORT_MODE_BASE, INPORT_DATA_PORT); 1771da177e4SLinus Torvalds 17872155615SDmitry Torokhov err = input_register_device(inport_dev); 17972155615SDmitry Torokhov if (err) 18072155615SDmitry Torokhov goto err_free_dev; 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvalds return 0; 18372155615SDmitry Torokhov 18472155615SDmitry Torokhov err_free_dev: 18572155615SDmitry Torokhov input_free_device(inport_dev); 18672155615SDmitry Torokhov err_release_region: 18772155615SDmitry Torokhov release_region(INPORT_BASE, INPORT_EXTENT); 18872155615SDmitry Torokhov 18972155615SDmitry Torokhov return err; 1901da177e4SLinus Torvalds } 1911da177e4SLinus Torvalds 1921da177e4SLinus Torvalds static void __exit inport_exit(void) 1931da177e4SLinus Torvalds { 1942e5b636bSDmitry Torokhov input_unregister_device(inport_dev); 1951da177e4SLinus Torvalds release_region(INPORT_BASE, INPORT_EXTENT); 1961da177e4SLinus Torvalds } 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds module_init(inport_init); 1991da177e4SLinus Torvalds module_exit(inport_exit); 200