diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/mouse/pc110pad.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/mouse/pc110pad.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/ANDROID_3.4.5/drivers/input/mouse/pc110pad.c b/ANDROID_3.4.5/drivers/input/mouse/pc110pad.c deleted file mode 100644 index 7b02b652..00000000 --- a/ANDROID_3.4.5/drivers/input/mouse/pc110pad.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Copyright (c) 2000-2001 Vojtech Pavlik - * - * Based on the work of: - * Alan Cox Robin O'Leary - */ - -/* - * IBM PC110 touchpad driver for Linux - */ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Should you need to contact me, the author, you can do so either by - * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: - * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/input.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/delay.h> - -#include <asm/io.h> -#include <asm/irq.h> - -MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); -MODULE_DESCRIPTION("IBM PC110 touchpad driver"); -MODULE_LICENSE("GPL"); - -#define PC110PAD_OFF 0x30 -#define PC110PAD_ON 0x38 - -static int pc110pad_irq = 10; -static int pc110pad_io = 0x15e0; - -static struct input_dev *pc110pad_dev; -static int pc110pad_data[3]; -static int pc110pad_count; - -static irqreturn_t pc110pad_interrupt(int irq, void *ptr) -{ - int value = inb_p(pc110pad_io); - int handshake = inb_p(pc110pad_io + 2); - - outb(handshake | 1, pc110pad_io + 2); - udelay(2); - outb(handshake & ~1, pc110pad_io + 2); - udelay(2); - inb_p(0x64); - - pc110pad_data[pc110pad_count++] = value; - - if (pc110pad_count < 3) - return IRQ_HANDLED; - - input_report_key(pc110pad_dev, BTN_TOUCH, - pc110pad_data[0] & 0x01); - input_report_abs(pc110pad_dev, ABS_X, - pc110pad_data[1] | ((pc110pad_data[0] << 3) & 0x80) | ((pc110pad_data[0] << 1) & 0x100)); - input_report_abs(pc110pad_dev, ABS_Y, - pc110pad_data[2] | ((pc110pad_data[0] << 4) & 0x80)); - input_sync(pc110pad_dev); - - pc110pad_count = 0; - return IRQ_HANDLED; -} - -static void pc110pad_close(struct input_dev *dev) -{ - outb(PC110PAD_OFF, pc110pad_io + 2); -} - -static int pc110pad_open(struct input_dev *dev) -{ - pc110pad_interrupt(0, NULL); - pc110pad_interrupt(0, NULL); - pc110pad_interrupt(0, NULL); - outb(PC110PAD_ON, pc110pad_io + 2); - pc110pad_count = 0; - - return 0; -} - -/* - * We try to avoid enabling the hardware if it's not - * there, but we don't know how to test. But we do know - * that the PC110 is not a PCI system. So if we find any - * PCI devices in the machine, we don't have a PC110. - */ -static int __init pc110pad_init(void) -{ - int err; - - if (!no_pci_devices()) - return -ENODEV; - - if (!request_region(pc110pad_io, 4, "pc110pad")) { - printk(KERN_ERR "pc110pad: I/O area %#x-%#x in use.\n", - pc110pad_io, pc110pad_io + 4); - return -EBUSY; - } - - outb(PC110PAD_OFF, pc110pad_io + 2); - - if (request_irq(pc110pad_irq, pc110pad_interrupt, 0, "pc110pad", NULL)) { - printk(KERN_ERR "pc110pad: Unable to get irq %d.\n", pc110pad_irq); - err = -EBUSY; - goto err_release_region; - } - - pc110pad_dev = input_allocate_device(); - if (!pc110pad_dev) { - printk(KERN_ERR "pc110pad: Not enough memory.\n"); - err = -ENOMEM; - goto err_free_irq; - } - - pc110pad_dev->name = "IBM PC110 TouchPad"; - pc110pad_dev->phys = "isa15e0/input0"; - pc110pad_dev->id.bustype = BUS_ISA; - pc110pad_dev->id.vendor = 0x0003; - pc110pad_dev->id.product = 0x0001; - pc110pad_dev->id.version = 0x0100; - - pc110pad_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); - pc110pad_dev->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y); - pc110pad_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); - - input_abs_set_max(pc110pad_dev, ABS_X, 0x1ff); - input_abs_set_max(pc110pad_dev, ABS_Y, 0x0ff); - - pc110pad_dev->open = pc110pad_open; - pc110pad_dev->close = pc110pad_close; - - err = input_register_device(pc110pad_dev); - if (err) - goto err_free_dev; - - return 0; - - err_free_dev: - input_free_device(pc110pad_dev); - err_free_irq: - free_irq(pc110pad_irq, NULL); - err_release_region: - release_region(pc110pad_io, 4); - - return err; -} - -static void __exit pc110pad_exit(void) -{ - outb(PC110PAD_OFF, pc110pad_io + 2); - free_irq(pc110pad_irq, NULL); - input_unregister_device(pc110pad_dev); - release_region(pc110pad_io, 4); -} - -module_init(pc110pad_init); -module_exit(pc110pad_exit); |