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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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7b19ada2ed
get rid of input BIT* duplicate defines use newly global defined macros for input layer. Also remove includes of input.h from non-input sources only for BIT macro definiton. Define the macro temporarily in local manner, all those local definitons will be removed further in this patchset (to not break bisecting). BIT macro will be globally defined (1<<x) Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: <dtor@mail.ru> Acked-by: Jiri Kosina <jkosina@suse.cz> Cc: <lenb@kernel.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Cc: <perex@suse.cz> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: <vernux@us.ibm.com> Cc: <malattia@linux.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
/*
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* Acorn RiscPC mouse driver for Linux/ARM
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*
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* Copyright (c) 2000-2002 Vojtech Pavlik
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* Copyright (C) 1996-2002 Russell King
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*
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This handles the Acorn RiscPCs mouse. We basically have a couple of
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* hardware registers that track the sensor count for the X-Y movement and
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* another register holding the button state. On every VSYNC interrupt we read
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* the complete state and then work out if something has changed.
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*/
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#include <linux/module.h>
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#include <linux/ptrace.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/input.h>
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#include <asm/hardware.h>
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#include <asm/irq.h>
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#include <asm/io.h>
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#include <asm/hardware/iomd.h>
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MODULE_AUTHOR("Vojtech Pavlik, Russell King");
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MODULE_DESCRIPTION("Acorn RiscPC mouse driver");
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MODULE_LICENSE("GPL");
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static short rpcmouse_lastx, rpcmouse_lasty;
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static struct input_dev *rpcmouse_dev;
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static irqreturn_t rpcmouse_irq(int irq, void *dev_id)
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{
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struct input_dev *dev = dev_id;
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short x, y, dx, dy, b;
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x = (short) iomd_readl(IOMD_MOUSEX);
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y = (short) iomd_readl(IOMD_MOUSEY);
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b = (short) (__raw_readl(0xe0310000) ^ 0x70);
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dx = x - rpcmouse_lastx;
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dy = y - rpcmouse_lasty;
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rpcmouse_lastx = x;
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rpcmouse_lasty = y;
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input_report_rel(dev, REL_X, dx);
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input_report_rel(dev, REL_Y, -dy);
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input_report_key(dev, BTN_LEFT, b & 0x40);
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input_report_key(dev, BTN_MIDDLE, b & 0x20);
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input_report_key(dev, BTN_RIGHT, b & 0x10);
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input_sync(dev);
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return IRQ_HANDLED;
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}
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static int __init rpcmouse_init(void)
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{
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int err;
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rpcmouse_dev = input_allocate_device();
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if (!rpcmouse_dev)
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return -ENOMEM;
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rpcmouse_dev->name = "Acorn RiscPC Mouse";
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rpcmouse_dev->phys = "rpcmouse/input0";
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rpcmouse_dev->id.bustype = BUS_HOST;
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rpcmouse_dev->id.vendor = 0x0005;
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rpcmouse_dev->id.product = 0x0001;
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rpcmouse_dev->id.version = 0x0100;
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rpcmouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
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rpcmouse_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
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BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
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rpcmouse_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
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rpcmouse_lastx = (short) iomd_readl(IOMD_MOUSEX);
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rpcmouse_lasty = (short) iomd_readl(IOMD_MOUSEY);
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if (request_irq(IRQ_VSYNCPULSE, rpcmouse_irq, IRQF_SHARED, "rpcmouse", rpcmouse_dev)) {
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printk(KERN_ERR "rpcmouse: unable to allocate VSYNC interrupt\n");
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err = -EBUSY;
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goto err_free_dev;
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}
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err = input_register_device(rpcmouse_dev);
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if (err)
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goto err_free_irq;
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return 0;
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err_free_irq:
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free_irq(IRQ_VSYNCPULSE, rpcmouse_dev);
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err_free_dev:
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input_free_device(rpcmouse_dev);
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return err;
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}
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static void __exit rpcmouse_exit(void)
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{
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free_irq(IRQ_VSYNCPULSE, rpcmouse_dev);
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input_unregister_device(rpcmouse_dev);
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}
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module_init(rpcmouse_init);
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module_exit(rpcmouse_exit);
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