diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/mouse/rpcmouse.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/mouse/rpcmouse.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/ANDROID_3.4.5/drivers/input/mouse/rpcmouse.c b/ANDROID_3.4.5/drivers/input/mouse/rpcmouse.c deleted file mode 100644 index 272deddc..00000000 --- a/ANDROID_3.4.5/drivers/input/mouse/rpcmouse.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Acorn RiscPC mouse driver for Linux/ARM - * - * Copyright (c) 2000-2002 Vojtech Pavlik - * Copyright (C) 1996-2002 Russell King - * - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This handles the Acorn RiscPCs mouse. We basically have a couple of - * hardware registers that track the sensor count for the X-Y movement and - * another register holding the button state. On every VSYNC interrupt we read - * the complete state and then work out if something has changed. - */ - -#include <linux/module.h> -#include <linux/ptrace.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/input.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <asm/irq.h> -#include <asm/hardware/iomd.h> - -MODULE_AUTHOR("Vojtech Pavlik, Russell King"); -MODULE_DESCRIPTION("Acorn RiscPC mouse driver"); -MODULE_LICENSE("GPL"); - -static short rpcmouse_lastx, rpcmouse_lasty; -static struct input_dev *rpcmouse_dev; - -static irqreturn_t rpcmouse_irq(int irq, void *dev_id) -{ - struct input_dev *dev = dev_id; - short x, y, dx, dy, b; - - x = (short) iomd_readl(IOMD_MOUSEX); - y = (short) iomd_readl(IOMD_MOUSEY); - b = (short) (__raw_readl(0xe0310000) ^ 0x70); - - dx = x - rpcmouse_lastx; - dy = y - rpcmouse_lasty; - - rpcmouse_lastx = x; - rpcmouse_lasty = y; - - input_report_rel(dev, REL_X, dx); - input_report_rel(dev, REL_Y, -dy); - - input_report_key(dev, BTN_LEFT, b & 0x40); - input_report_key(dev, BTN_MIDDLE, b & 0x20); - input_report_key(dev, BTN_RIGHT, b & 0x10); - - input_sync(dev); - - return IRQ_HANDLED; -} - - -static int __init rpcmouse_init(void) -{ - int err; - - rpcmouse_dev = input_allocate_device(); - if (!rpcmouse_dev) - return -ENOMEM; - - rpcmouse_dev->name = "Acorn RiscPC Mouse"; - rpcmouse_dev->phys = "rpcmouse/input0"; - rpcmouse_dev->id.bustype = BUS_HOST; - rpcmouse_dev->id.vendor = 0x0005; - rpcmouse_dev->id.product = 0x0001; - rpcmouse_dev->id.version = 0x0100; - - rpcmouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); - rpcmouse_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | - BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); - rpcmouse_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); - - rpcmouse_lastx = (short) iomd_readl(IOMD_MOUSEX); - rpcmouse_lasty = (short) iomd_readl(IOMD_MOUSEY); - - if (request_irq(IRQ_VSYNCPULSE, rpcmouse_irq, IRQF_SHARED, "rpcmouse", rpcmouse_dev)) { - printk(KERN_ERR "rpcmouse: unable to allocate VSYNC interrupt\n"); - err = -EBUSY; - goto err_free_dev; - } - - err = input_register_device(rpcmouse_dev); - if (err) - goto err_free_irq; - - return 0; - - err_free_irq: - free_irq(IRQ_VSYNCPULSE, rpcmouse_dev); - err_free_dev: - input_free_device(rpcmouse_dev); - - return err; -} - -static void __exit rpcmouse_exit(void) -{ - free_irq(IRQ_VSYNCPULSE, rpcmouse_dev); - input_unregister_device(rpcmouse_dev); -} - -module_init(rpcmouse_init); -module_exit(rpcmouse_exit); |