11a59d1b8SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 21da177e4SLinus Torvalds /* 31da177e4SLinus Torvalds * Copyright (c) 1999-2001 Vojtech Pavlik 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Based on the work of: 61da177e4SLinus Torvalds * Teemu Rantanen Derrick Cole 71da177e4SLinus Torvalds * Peter Cervasio Christoph Niemann 81da177e4SLinus Torvalds * Philip Blundell Russell King 91da177e4SLinus Torvalds * Bob Harris 101da177e4SLinus Torvalds */ 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds /* 131da177e4SLinus Torvalds * Inport (ATI XL and Microsoft) busmouse driver for Linux 141da177e4SLinus Torvalds */ 151da177e4SLinus Torvalds 161da177e4SLinus Torvalds /* 171da177e4SLinus Torvalds */ 181da177e4SLinus Torvalds 191da177e4SLinus Torvalds #include <linux/module.h> 201da177e4SLinus Torvalds #include <linux/ioport.h> 211da177e4SLinus Torvalds #include <linux/init.h> 221da177e4SLinus Torvalds #include <linux/interrupt.h> 231da177e4SLinus Torvalds #include <linux/input.h> 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds #include <asm/io.h> 261da177e4SLinus Torvalds #include <asm/irq.h> 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 291da177e4SLinus Torvalds MODULE_DESCRIPTION("Inport (ATI XL and Microsoft) busmouse driver"); 301da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 311da177e4SLinus Torvalds 321da177e4SLinus Torvalds #define INPORT_BASE 0x23c 331da177e4SLinus Torvalds #define INPORT_EXTENT 4 341da177e4SLinus Torvalds 351da177e4SLinus Torvalds #define INPORT_CONTROL_PORT INPORT_BASE + 0 361da177e4SLinus Torvalds #define INPORT_DATA_PORT INPORT_BASE + 1 371da177e4SLinus Torvalds #define INPORT_SIGNATURE_PORT INPORT_BASE + 2 381da177e4SLinus Torvalds 391da177e4SLinus Torvalds #define INPORT_REG_BTNS 0x00 401da177e4SLinus Torvalds #define INPORT_REG_X 0x01 411da177e4SLinus Torvalds #define INPORT_REG_Y 0x02 421da177e4SLinus Torvalds #define INPORT_REG_MODE 0x07 431da177e4SLinus Torvalds #define INPORT_RESET 0x80 441da177e4SLinus Torvalds 458370a643SRobert P. J. Day #ifdef CONFIG_MOUSE_ATIXL 461da177e4SLinus Torvalds #define INPORT_NAME "ATI XL Mouse" 471da177e4SLinus Torvalds #define INPORT_VENDOR 0x0002 481da177e4SLinus Torvalds #define INPORT_SPEED_30HZ 0x01 491da177e4SLinus Torvalds #define INPORT_SPEED_50HZ 0x02 501da177e4SLinus Torvalds #define INPORT_SPEED_100HZ 0x03 511da177e4SLinus Torvalds #define INPORT_SPEED_200HZ 0x04 521da177e4SLinus Torvalds #define INPORT_MODE_BASE INPORT_SPEED_100HZ 531da177e4SLinus Torvalds #define INPORT_MODE_IRQ 0x08 541da177e4SLinus Torvalds #else 551da177e4SLinus Torvalds #define INPORT_NAME "Microsoft InPort Mouse" 561da177e4SLinus Torvalds #define INPORT_VENDOR 0x0001 571da177e4SLinus Torvalds #define INPORT_MODE_BASE 0x10 581da177e4SLinus Torvalds #define INPORT_MODE_IRQ 0x01 591da177e4SLinus Torvalds #endif 601da177e4SLinus Torvalds #define INPORT_MODE_HOLD 0x20 611da177e4SLinus Torvalds 621da177e4SLinus Torvalds #define INPORT_IRQ 5 631da177e4SLinus Torvalds 641da177e4SLinus Torvalds static int inport_irq = INPORT_IRQ; 65f6b12d04SDavid Howells module_param_hw_named(irq, inport_irq, uint, irq, 0); 661da177e4SLinus Torvalds MODULE_PARM_DESC(irq, "IRQ number (5=default)"); 671da177e4SLinus Torvalds 682e5b636bSDmitry Torokhov static struct input_dev *inport_dev; 692e5b636bSDmitry Torokhov 707d12e780SDavid Howells static irqreturn_t inport_interrupt(int irq, void *dev_id) 712e5b636bSDmitry Torokhov { 722e5b636bSDmitry Torokhov unsigned char buttons; 732e5b636bSDmitry Torokhov 742e5b636bSDmitry Torokhov outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 752e5b636bSDmitry Torokhov outb(INPORT_MODE_HOLD | INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 762e5b636bSDmitry Torokhov 772e5b636bSDmitry Torokhov outb(INPORT_REG_X, INPORT_CONTROL_PORT); 782e5b636bSDmitry Torokhov input_report_rel(inport_dev, REL_X, inb(INPORT_DATA_PORT)); 792e5b636bSDmitry Torokhov 802e5b636bSDmitry Torokhov outb(INPORT_REG_Y, INPORT_CONTROL_PORT); 812e5b636bSDmitry Torokhov input_report_rel(inport_dev, REL_Y, inb(INPORT_DATA_PORT)); 822e5b636bSDmitry Torokhov 832e5b636bSDmitry Torokhov outb(INPORT_REG_BTNS, INPORT_CONTROL_PORT); 842e5b636bSDmitry Torokhov buttons = inb(INPORT_DATA_PORT); 852e5b636bSDmitry Torokhov 862e5b636bSDmitry Torokhov input_report_key(inport_dev, BTN_MIDDLE, buttons & 1); 872e5b636bSDmitry Torokhov input_report_key(inport_dev, BTN_LEFT, buttons & 2); 882e5b636bSDmitry Torokhov input_report_key(inport_dev, BTN_RIGHT, buttons & 4); 892e5b636bSDmitry Torokhov 902e5b636bSDmitry Torokhov outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 912e5b636bSDmitry Torokhov outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 922e5b636bSDmitry Torokhov 932e5b636bSDmitry Torokhov input_sync(inport_dev); 942e5b636bSDmitry Torokhov return IRQ_HANDLED; 952e5b636bSDmitry Torokhov } 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds static int inport_open(struct input_dev *dev) 981da177e4SLinus Torvalds { 991da177e4SLinus Torvalds if (request_irq(inport_irq, inport_interrupt, 0, "inport", NULL)) 1001da177e4SLinus Torvalds return -EBUSY; 1011da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1021da177e4SLinus Torvalds outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 1031da177e4SLinus Torvalds 1041da177e4SLinus Torvalds return 0; 1051da177e4SLinus Torvalds } 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds static void inport_close(struct input_dev *dev) 1081da177e4SLinus Torvalds { 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 static int __init inport_init(void) 1151da177e4SLinus Torvalds { 1161da177e4SLinus Torvalds unsigned char a, b, c; 11772155615SDmitry Torokhov int err; 1181da177e4SLinus Torvalds 1191da177e4SLinus Torvalds if (!request_region(INPORT_BASE, INPORT_EXTENT, "inport")) { 1201da177e4SLinus Torvalds printk(KERN_ERR "inport.c: Can't allocate ports at %#x\n", INPORT_BASE); 1211da177e4SLinus Torvalds return -EBUSY; 1221da177e4SLinus Torvalds } 1231da177e4SLinus Torvalds 1241da177e4SLinus Torvalds a = inb(INPORT_SIGNATURE_PORT); 1251da177e4SLinus Torvalds b = inb(INPORT_SIGNATURE_PORT); 1261da177e4SLinus Torvalds c = inb(INPORT_SIGNATURE_PORT); 1272e5b636bSDmitry Torokhov if (a == b || a != c) { 1282a0f9c4cSHelge Deller printk(KERN_INFO "inport.c: Didn't find InPort mouse at %#x\n", INPORT_BASE); 12972155615SDmitry Torokhov err = -ENODEV; 13072155615SDmitry Torokhov goto err_release_region; 1311da177e4SLinus Torvalds } 1321da177e4SLinus Torvalds 13372155615SDmitry Torokhov inport_dev = input_allocate_device(); 13472155615SDmitry Torokhov if (!inport_dev) { 1352e5b636bSDmitry Torokhov printk(KERN_ERR "inport.c: Not enough memory for input device\n"); 13672155615SDmitry Torokhov err = -ENOMEM; 13772155615SDmitry Torokhov goto err_release_region; 1382e5b636bSDmitry Torokhov } 1392e5b636bSDmitry Torokhov 1402e5b636bSDmitry Torokhov inport_dev->name = INPORT_NAME; 1412e5b636bSDmitry Torokhov inport_dev->phys = "isa023c/input0"; 1422e5b636bSDmitry Torokhov inport_dev->id.bustype = BUS_ISA; 1432e5b636bSDmitry Torokhov inport_dev->id.vendor = INPORT_VENDOR; 1442e5b636bSDmitry Torokhov inport_dev->id.product = 0x0001; 1452e5b636bSDmitry Torokhov inport_dev->id.version = 0x0100; 1462e5b636bSDmitry Torokhov 1477b19ada2SJiri Slaby inport_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 1487b19ada2SJiri Slaby inport_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | 1497b19ada2SJiri Slaby BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 1507b19ada2SJiri Slaby inport_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 1512e5b636bSDmitry Torokhov 1522e5b636bSDmitry Torokhov inport_dev->open = inport_open; 1532e5b636bSDmitry Torokhov inport_dev->close = inport_close; 1542e5b636bSDmitry Torokhov 1551da177e4SLinus Torvalds outb(INPORT_RESET, INPORT_CONTROL_PORT); 1561da177e4SLinus Torvalds outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 1571da177e4SLinus Torvalds outb(INPORT_MODE_BASE, INPORT_DATA_PORT); 1581da177e4SLinus Torvalds 15972155615SDmitry Torokhov err = input_register_device(inport_dev); 16072155615SDmitry Torokhov if (err) 16172155615SDmitry Torokhov goto err_free_dev; 1621da177e4SLinus Torvalds 1631da177e4SLinus Torvalds return 0; 16472155615SDmitry Torokhov 16572155615SDmitry Torokhov err_free_dev: 16672155615SDmitry Torokhov input_free_device(inport_dev); 16772155615SDmitry Torokhov err_release_region: 16872155615SDmitry Torokhov release_region(INPORT_BASE, INPORT_EXTENT); 16972155615SDmitry Torokhov 17072155615SDmitry Torokhov return err; 1711da177e4SLinus Torvalds } 1721da177e4SLinus Torvalds 1731da177e4SLinus Torvalds static void __exit inport_exit(void) 1741da177e4SLinus Torvalds { 1752e5b636bSDmitry Torokhov input_unregister_device(inport_dev); 1761da177e4SLinus Torvalds release_region(INPORT_BASE, INPORT_EXTENT); 1771da177e4SLinus Torvalds } 1781da177e4SLinus Torvalds 1791da177e4SLinus Torvalds module_init(inport_init); 1801da177e4SLinus Torvalds module_exit(inport_exit); 181