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/config.h> 401da177e4SLinus Torvalds #include <linux/ioport.h> 411da177e4SLinus Torvalds #include <linux/init.h> 421da177e4SLinus Torvalds #include <linux/interrupt.h> 431da177e4SLinus Torvalds #include <linux/input.h> 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds #include <asm/io.h> 461da177e4SLinus Torvalds #include <asm/irq.h> 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 491da177e4SLinus Torvalds MODULE_DESCRIPTION("Inport (ATI XL and Microsoft) busmouse driver"); 501da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 511da177e4SLinus Torvalds 521da177e4SLinus Torvalds #define INPORT_BASE 0x23c 531da177e4SLinus Torvalds #define INPORT_EXTENT 4 541da177e4SLinus Torvalds 551da177e4SLinus Torvalds #define INPORT_CONTROL_PORT INPORT_BASE + 0 561da177e4SLinus Torvalds #define INPORT_DATA_PORT INPORT_BASE + 1 571da177e4SLinus Torvalds #define INPORT_SIGNATURE_PORT INPORT_BASE + 2 581da177e4SLinus Torvalds 591da177e4SLinus Torvalds #define INPORT_REG_BTNS 0x00 601da177e4SLinus Torvalds #define INPORT_REG_X 0x01 611da177e4SLinus Torvalds #define INPORT_REG_Y 0x02 621da177e4SLinus Torvalds #define INPORT_REG_MODE 0x07 631da177e4SLinus Torvalds #define INPORT_RESET 0x80 641da177e4SLinus Torvalds 651da177e4SLinus Torvalds #ifdef CONFIG_INPUT_ATIXL 661da177e4SLinus Torvalds #define INPORT_NAME "ATI XL Mouse" 671da177e4SLinus Torvalds #define INPORT_VENDOR 0x0002 681da177e4SLinus Torvalds #define INPORT_SPEED_30HZ 0x01 691da177e4SLinus Torvalds #define INPORT_SPEED_50HZ 0x02 701da177e4SLinus Torvalds #define INPORT_SPEED_100HZ 0x03 711da177e4SLinus Torvalds #define INPORT_SPEED_200HZ 0x04 721da177e4SLinus Torvalds #define INPORT_MODE_BASE INPORT_SPEED_100HZ 731da177e4SLinus Torvalds #define INPORT_MODE_IRQ 0x08 741da177e4SLinus Torvalds #else 751da177e4SLinus Torvalds #define INPORT_NAME "Microsoft InPort Mouse" 761da177e4SLinus Torvalds #define INPORT_VENDOR 0x0001 771da177e4SLinus Torvalds #define INPORT_MODE_BASE 0x10 781da177e4SLinus Torvalds #define INPORT_MODE_IRQ 0x01 791da177e4SLinus Torvalds #endif 801da177e4SLinus Torvalds #define INPORT_MODE_HOLD 0x20 811da177e4SLinus Torvalds 821da177e4SLinus Torvalds #define INPORT_IRQ 5 831da177e4SLinus Torvalds 841da177e4SLinus Torvalds static int inport_irq = INPORT_IRQ; 851da177e4SLinus Torvalds module_param_named(irq, inport_irq, uint, 0); 861da177e4SLinus Torvalds MODULE_PARM_DESC(irq, "IRQ number (5=default)"); 871da177e4SLinus Torvalds 881da177e4SLinus Torvalds __obsolete_setup("inport_irq="); 891da177e4SLinus Torvalds 901da177e4SLinus Torvalds static int inport_used; 911da177e4SLinus Torvalds 921da177e4SLinus Torvalds static irqreturn_t inport_interrupt(int irq, void *dev_id, struct pt_regs *regs); 931da177e4SLinus Torvalds 941da177e4SLinus Torvalds static int inport_open(struct input_dev *dev) 951da177e4SLinus Torvalds { 961da177e4SLinus Torvalds if (!inport_used++) { 971da177e4SLinus Torvalds if (request_irq(inport_irq, inport_interrupt, 0, "inport", NULL)) 981da177e4SLinus Torvalds return -EBUSY; 991da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1001da177e4SLinus Torvalds outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 1011da177e4SLinus Torvalds } 1021da177e4SLinus Torvalds 1031da177e4SLinus Torvalds return 0; 1041da177e4SLinus Torvalds } 1051da177e4SLinus Torvalds 1061da177e4SLinus Torvalds static void inport_close(struct input_dev *dev) 1071da177e4SLinus Torvalds { 1081da177e4SLinus Torvalds if (!--inport_used) { 1091da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1101da177e4SLinus Torvalds outb(INPORT_MODE_BASE, INPORT_DATA_PORT); 1111da177e4SLinus Torvalds free_irq(inport_irq, NULL); 1121da177e4SLinus Torvalds } 1131da177e4SLinus Torvalds } 1141da177e4SLinus Torvalds 1151da177e4SLinus Torvalds static struct input_dev inport_dev = { 1161da177e4SLinus Torvalds .evbit = { BIT(EV_KEY) | BIT(EV_REL) }, 1171da177e4SLinus Torvalds .keybit = { [LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT) }, 1181da177e4SLinus Torvalds .relbit = { BIT(REL_X) | BIT(REL_Y) }, 1191da177e4SLinus Torvalds .open = inport_open, 1201da177e4SLinus Torvalds .close = inport_close, 1211da177e4SLinus Torvalds .name = INPORT_NAME, 1221da177e4SLinus Torvalds .phys = "isa023c/input0", 1231da177e4SLinus Torvalds .id = { 1241da177e4SLinus Torvalds .bustype = BUS_ISA, 1251da177e4SLinus Torvalds .vendor = INPORT_VENDOR, 1261da177e4SLinus Torvalds .product = 0x0001, 1271da177e4SLinus Torvalds .version = 0x0100, 1281da177e4SLinus Torvalds }, 1291da177e4SLinus Torvalds }; 1301da177e4SLinus Torvalds 1311da177e4SLinus Torvalds static irqreturn_t inport_interrupt(int irq, void *dev_id, struct pt_regs *regs) 1321da177e4SLinus Torvalds { 1331da177e4SLinus Torvalds unsigned char buttons; 1341da177e4SLinus Torvalds 1351da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1361da177e4SLinus Torvalds outb(INPORT_MODE_HOLD | INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 1371da177e4SLinus Torvalds 1381da177e4SLinus Torvalds input_regs(&inport_dev, regs); 1391da177e4SLinus Torvalds 1401da177e4SLinus Torvalds outb(INPORT_REG_X, INPORT_CONTROL_PORT); 1411da177e4SLinus Torvalds input_report_rel(&inport_dev, REL_X, inb(INPORT_DATA_PORT)); 1421da177e4SLinus Torvalds 1431da177e4SLinus Torvalds outb(INPORT_REG_Y, INPORT_CONTROL_PORT); 1441da177e4SLinus Torvalds input_report_rel(&inport_dev, REL_Y, inb(INPORT_DATA_PORT)); 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds outb(INPORT_REG_BTNS, INPORT_CONTROL_PORT); 1471da177e4SLinus Torvalds buttons = inb(INPORT_DATA_PORT); 1481da177e4SLinus Torvalds 1491da177e4SLinus Torvalds input_report_key(&inport_dev, BTN_MIDDLE, buttons & 1); 1501da177e4SLinus Torvalds input_report_key(&inport_dev, BTN_LEFT, buttons & 2); 1511da177e4SLinus Torvalds input_report_key(&inport_dev, BTN_RIGHT, buttons & 4); 1521da177e4SLinus Torvalds 1531da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1541da177e4SLinus Torvalds outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 1551da177e4SLinus Torvalds 1561da177e4SLinus Torvalds input_sync(&inport_dev); 1571da177e4SLinus Torvalds return IRQ_HANDLED; 1581da177e4SLinus Torvalds } 1591da177e4SLinus Torvalds 1601da177e4SLinus Torvalds static int __init inport_init(void) 1611da177e4SLinus Torvalds { 1621da177e4SLinus Torvalds unsigned char a,b,c; 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds if (!request_region(INPORT_BASE, INPORT_EXTENT, "inport")) { 1651da177e4SLinus Torvalds printk(KERN_ERR "inport.c: Can't allocate ports at %#x\n", INPORT_BASE); 1661da177e4SLinus Torvalds return -EBUSY; 1671da177e4SLinus Torvalds } 1681da177e4SLinus Torvalds 1691da177e4SLinus Torvalds a = inb(INPORT_SIGNATURE_PORT); 1701da177e4SLinus Torvalds b = inb(INPORT_SIGNATURE_PORT); 1711da177e4SLinus Torvalds c = inb(INPORT_SIGNATURE_PORT); 1721da177e4SLinus Torvalds if (( a == b ) || ( a != c )) { 1731da177e4SLinus Torvalds release_region(INPORT_BASE, INPORT_EXTENT); 1741da177e4SLinus Torvalds printk(KERN_ERR "inport.c: Didn't find InPort mouse at %#x\n", INPORT_BASE); 1751da177e4SLinus Torvalds return -ENODEV; 1761da177e4SLinus Torvalds } 1771da177e4SLinus Torvalds 1781da177e4SLinus Torvalds outb(INPORT_RESET, INPORT_CONTROL_PORT); 1791da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1801da177e4SLinus Torvalds outb(INPORT_MODE_BASE, INPORT_DATA_PORT); 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvalds input_register_device(&inport_dev); 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvalds printk(KERN_INFO "input: " INPORT_NAME " at %#x irq %d\n", INPORT_BASE, inport_irq); 1851da177e4SLinus Torvalds 1861da177e4SLinus Torvalds return 0; 1871da177e4SLinus Torvalds } 1881da177e4SLinus Torvalds 1891da177e4SLinus Torvalds static void __exit inport_exit(void) 1901da177e4SLinus Torvalds { 1911da177e4SLinus Torvalds 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