Release 4.11 drivers/input/mouse/rpcmouse.c
/*
* 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(IOMEM(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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Vojtech Pavlik | 125 | 84.46% | 5 | 62.50% |
| Russell King | 20 | 13.51% | 2 | 25.00% |
| Arnd Bergmann | 3 | 2.03% | 1 | 12.50% |
| Total | 148 | 100.00% | 8 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dmitry Torokhov | 145 | 67.13% | 2 | 25.00% |
| Vojtech Pavlik | 61 | 28.24% | 3 | 37.50% |
| Jiri Slaby | 8 | 3.70% | 1 | 12.50% |
| Thomas Gleixner | 1 | 0.46% | 1 | 12.50% |
| Russell King | 1 | 0.46% | 1 | 12.50% |
| Total | 216 | 100.00% | 8 | 100.00% |
static void __exit rpcmouse_exit(void)
{
free_irq(IRQ_VSYNCPULSE, rpcmouse_dev);
input_unregister_device(rpcmouse_dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Vojtech Pavlik | 16 | 76.19% | 1 | 33.33% |
| Dmitry Torokhov | 4 | 19.05% | 1 | 33.33% |
| Russell King | 1 | 4.76% | 1 | 33.33% |
| Total | 21 | 100.00% | 3 | 100.00% |
module_init(rpcmouse_init);
module_exit(rpcmouse_exit);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Vojtech Pavlik | 264 | 58.54% | 6 | 42.86% |
| Dmitry Torokhov | 150 | 33.26% | 2 | 14.29% |
| Russell King | 25 | 5.54% | 3 | 21.43% |
| Jiri Slaby | 8 | 1.77% | 1 | 7.14% |
| Arnd Bergmann | 3 | 0.67% | 1 | 7.14% |
| Thomas Gleixner | 1 | 0.22% | 1 | 7.14% |
| Total | 451 | 100.00% | 14 | 100.00% |
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