tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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Input: inport - remove driver

Inport (ATI XL and Microsoft) mice use specialized bus interface
implemented via an ISA add-in card. Have been superseded by PS/2 and
then USB, and are historical curiosity by now.

Remove the driver.

Link: https://patch.msgid.link/20240808172733.1194442-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Dmitry Torokhov 8291ffa3 16bbb591

-194
-16
drivers/input/mouse/Kconfig
··· 290 290 291 291 If unsure, say Y. 292 292 293 - config MOUSE_INPORT 294 - tristate "InPort/MS/ATIXL busmouse" 295 - depends on ISA 296 - help 297 - Say Y here if you have an InPort, Microsoft or ATI XL busmouse. 298 - They are rather rare these days. 299 - 300 - To compile this driver as a module, choose M here: the 301 - module will be called inport. 302 - 303 - config MOUSE_ATIXL 304 - bool "ATI XL variant" 305 - depends on MOUSE_INPORT 306 - help 307 - Say Y here if your mouse is of the ATI XL variety. 308 - 309 293 config MOUSE_LOGIBM 310 294 tristate "Logitech busmouse" 311 295 depends on ISA
-1
drivers/input/mouse/Makefile
··· 12 12 obj-$(CONFIG_MOUSE_CYAPA) += cyapatp.o 13 13 obj-$(CONFIG_MOUSE_ELAN_I2C) += elan_i2c.o 14 14 obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o 15 - obj-$(CONFIG_MOUSE_INPORT) += inport.o 16 15 obj-$(CONFIG_MOUSE_LOGIBM) += logibm.o 17 16 obj-$(CONFIG_MOUSE_MAPLE) += maplemouse.o 18 17 obj-$(CONFIG_MOUSE_PC110PAD) += pc110pad.o
-177
drivers/input/mouse/inport.c
··· 1 - // SPDX-License-Identifier: GPL-2.0-or-later 2 - /* 3 - * Copyright (c) 1999-2001 Vojtech Pavlik 4 - * 5 - * Based on the work of: 6 - * Teemu Rantanen Derrick Cole 7 - * Peter Cervasio Christoph Niemann 8 - * Philip Blundell Russell King 9 - * Bob Harris 10 - */ 11 - 12 - /* 13 - * Inport (ATI XL and Microsoft) busmouse driver for Linux 14 - */ 15 - 16 - #include <linux/module.h> 17 - #include <linux/ioport.h> 18 - #include <linux/init.h> 19 - #include <linux/interrupt.h> 20 - #include <linux/input.h> 21 - 22 - #include <asm/io.h> 23 - #include <asm/irq.h> 24 - 25 - MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 26 - MODULE_DESCRIPTION("Inport (ATI XL and Microsoft) busmouse driver"); 27 - MODULE_LICENSE("GPL"); 28 - 29 - #define INPORT_BASE 0x23c 30 - #define INPORT_EXTENT 4 31 - 32 - #define INPORT_CONTROL_PORT INPORT_BASE + 0 33 - #define INPORT_DATA_PORT INPORT_BASE + 1 34 - #define INPORT_SIGNATURE_PORT INPORT_BASE + 2 35 - 36 - #define INPORT_REG_BTNS 0x00 37 - #define INPORT_REG_X 0x01 38 - #define INPORT_REG_Y 0x02 39 - #define INPORT_REG_MODE 0x07 40 - #define INPORT_RESET 0x80 41 - 42 - #ifdef CONFIG_MOUSE_ATIXL 43 - #define INPORT_NAME "ATI XL Mouse" 44 - #define INPORT_VENDOR 0x0002 45 - #define INPORT_SPEED_30HZ 0x01 46 - #define INPORT_SPEED_50HZ 0x02 47 - #define INPORT_SPEED_100HZ 0x03 48 - #define INPORT_SPEED_200HZ 0x04 49 - #define INPORT_MODE_BASE INPORT_SPEED_100HZ 50 - #define INPORT_MODE_IRQ 0x08 51 - #else 52 - #define INPORT_NAME "Microsoft InPort Mouse" 53 - #define INPORT_VENDOR 0x0001 54 - #define INPORT_MODE_BASE 0x10 55 - #define INPORT_MODE_IRQ 0x01 56 - #endif 57 - #define INPORT_MODE_HOLD 0x20 58 - 59 - #define INPORT_IRQ 5 60 - 61 - static int inport_irq = INPORT_IRQ; 62 - module_param_hw_named(irq, inport_irq, uint, irq, 0); 63 - MODULE_PARM_DESC(irq, "IRQ number (5=default)"); 64 - 65 - static struct input_dev *inport_dev; 66 - 67 - static irqreturn_t inport_interrupt(int irq, void *dev_id) 68 - { 69 - unsigned char buttons; 70 - 71 - outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 72 - outb(INPORT_MODE_HOLD | INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 73 - 74 - outb(INPORT_REG_X, INPORT_CONTROL_PORT); 75 - input_report_rel(inport_dev, REL_X, inb(INPORT_DATA_PORT)); 76 - 77 - outb(INPORT_REG_Y, INPORT_CONTROL_PORT); 78 - input_report_rel(inport_dev, REL_Y, inb(INPORT_DATA_PORT)); 79 - 80 - outb(INPORT_REG_BTNS, INPORT_CONTROL_PORT); 81 - buttons = inb(INPORT_DATA_PORT); 82 - 83 - input_report_key(inport_dev, BTN_MIDDLE, buttons & 1); 84 - input_report_key(inport_dev, BTN_LEFT, buttons & 2); 85 - input_report_key(inport_dev, BTN_RIGHT, buttons & 4); 86 - 87 - outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 88 - outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 89 - 90 - input_sync(inport_dev); 91 - return IRQ_HANDLED; 92 - } 93 - 94 - static int inport_open(struct input_dev *dev) 95 - { 96 - if (request_irq(inport_irq, inport_interrupt, 0, "inport", NULL)) 97 - return -EBUSY; 98 - outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 99 - outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT); 100 - 101 - return 0; 102 - } 103 - 104 - static void inport_close(struct input_dev *dev) 105 - { 106 - outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 107 - outb(INPORT_MODE_BASE, INPORT_DATA_PORT); 108 - free_irq(inport_irq, NULL); 109 - } 110 - 111 - static int __init inport_init(void) 112 - { 113 - unsigned char a, b, c; 114 - int err; 115 - 116 - if (!request_region(INPORT_BASE, INPORT_EXTENT, "inport")) { 117 - printk(KERN_ERR "inport.c: Can't allocate ports at %#x\n", INPORT_BASE); 118 - return -EBUSY; 119 - } 120 - 121 - a = inb(INPORT_SIGNATURE_PORT); 122 - b = inb(INPORT_SIGNATURE_PORT); 123 - c = inb(INPORT_SIGNATURE_PORT); 124 - if (a == b || a != c) { 125 - printk(KERN_INFO "inport.c: Didn't find InPort mouse at %#x\n", INPORT_BASE); 126 - err = -ENODEV; 127 - goto err_release_region; 128 - } 129 - 130 - inport_dev = input_allocate_device(); 131 - if (!inport_dev) { 132 - printk(KERN_ERR "inport.c: Not enough memory for input device\n"); 133 - err = -ENOMEM; 134 - goto err_release_region; 135 - } 136 - 137 - inport_dev->name = INPORT_NAME; 138 - inport_dev->phys = "isa023c/input0"; 139 - inport_dev->id.bustype = BUS_ISA; 140 - inport_dev->id.vendor = INPORT_VENDOR; 141 - inport_dev->id.product = 0x0001; 142 - inport_dev->id.version = 0x0100; 143 - 144 - inport_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 145 - inport_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | 146 - BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 147 - inport_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 148 - 149 - inport_dev->open = inport_open; 150 - inport_dev->close = inport_close; 151 - 152 - outb(INPORT_RESET, INPORT_CONTROL_PORT); 153 - outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); 154 - outb(INPORT_MODE_BASE, INPORT_DATA_PORT); 155 - 156 - err = input_register_device(inport_dev); 157 - if (err) 158 - goto err_free_dev; 159 - 160 - return 0; 161 - 162 - err_free_dev: 163 - input_free_device(inport_dev); 164 - err_release_region: 165 - release_region(INPORT_BASE, INPORT_EXTENT); 166 - 167 - return err; 168 - } 169 - 170 - static void __exit inport_exit(void) 171 - { 172 - input_unregister_device(inport_dev); 173 - release_region(INPORT_BASE, INPORT_EXTENT); 174 - } 175 - 176 - module_init(inport_init); 177 - module_exit(inport_exit);