![Linus Torvalds](/assets/img/avatar_default.png)
Pull 2nd round of input updates from Dmitry Torokhov: - update to Wacom driver to support wireless devices - update to Sentelci touchpad driver to support newer hardware - update to gpio-keys driver to support "interrupt-only" keys - fixups to earlier commits * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: wacom - check for allocation failure in probe() Input: tegra-kbc - allocate pdata before using it Input: amijoy - add missing platform check Input: wacom - wireless battery status Input: wacom - create inputs when wireless connect Input: wacom - wireless monitor framework Input: wacom - isolate input registration Input: sentelic - improve packet debugging information Input: sentelic - minor code cleanup Input: sentelic - enabling absolute coordinates output for newer hardware Input: sentelic - refactor code for upcoming new hardware support Input: gpio_keys - add support for interrupt only keys Input: gpio_keys - consolidate key destructor code Input: revert "gpio_keys - switch to using threaded IRQs" Input: gpio_keys - constify platform data Input: spear-keyboard - remove kbd_set_plat_data()
177 lines
4.5 KiB
C
177 lines
4.5 KiB
C
/*
|
|
* Copyright (c) 1998-2001 Vojtech Pavlik
|
|
*/
|
|
|
|
/*
|
|
* Driver for Amiga joysticks for Linux/m68k
|
|
*/
|
|
|
|
/*
|
|
* 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/types.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/input.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/mutex.h>
|
|
|
|
#include <asm/amigahw.h>
|
|
#include <asm/amigaints.h>
|
|
|
|
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
|
|
MODULE_DESCRIPTION("Driver for Amiga joysticks");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static int amijoy[2] = { 0, 1 };
|
|
module_param_array_named(map, amijoy, uint, NULL, 0);
|
|
MODULE_PARM_DESC(map, "Map of attached joysticks in form of <a>,<b> (default is 0,1)");
|
|
|
|
static int amijoy_used;
|
|
static DEFINE_MUTEX(amijoy_mutex);
|
|
static struct input_dev *amijoy_dev[2];
|
|
static char *amijoy_phys[2] = { "amijoy/input0", "amijoy/input1" };
|
|
|
|
static irqreturn_t amijoy_interrupt(int irq, void *dummy)
|
|
{
|
|
int i, data = 0, button = 0;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
if (amijoy[i]) {
|
|
|
|
switch (i) {
|
|
case 0: data = ~amiga_custom.joy0dat; button = (~ciaa.pra >> 6) & 1; break;
|
|
case 1: data = ~amiga_custom.joy1dat; button = (~ciaa.pra >> 7) & 1; break;
|
|
}
|
|
|
|
input_report_key(amijoy_dev[i], BTN_TRIGGER, button);
|
|
|
|
input_report_abs(amijoy_dev[i], ABS_X, ((data >> 1) & 1) - ((data >> 9) & 1));
|
|
data = ~(data ^ (data << 1));
|
|
input_report_abs(amijoy_dev[i], ABS_Y, ((data >> 1) & 1) - ((data >> 9) & 1));
|
|
|
|
input_sync(amijoy_dev[i]);
|
|
}
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int amijoy_open(struct input_dev *dev)
|
|
{
|
|
int err;
|
|
|
|
err = mutex_lock_interruptible(&amijoy_mutex);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!amijoy_used && request_irq(IRQ_AMIGA_VERTB, amijoy_interrupt, 0, "amijoy", amijoy_interrupt)) {
|
|
printk(KERN_ERR "amijoy.c: Can't allocate irq %d\n", IRQ_AMIGA_VERTB);
|
|
err = -EBUSY;
|
|
goto out;
|
|
}
|
|
|
|
amijoy_used++;
|
|
out:
|
|
mutex_unlock(&amijoy_mutex);
|
|
return err;
|
|
}
|
|
|
|
static void amijoy_close(struct input_dev *dev)
|
|
{
|
|
mutex_lock(&amijoy_mutex);
|
|
if (!--amijoy_used)
|
|
free_irq(IRQ_AMIGA_VERTB, amijoy_interrupt);
|
|
mutex_unlock(&amijoy_mutex);
|
|
}
|
|
|
|
static int __init amijoy_init(void)
|
|
{
|
|
int i, j;
|
|
int err;
|
|
|
|
if (!MACH_IS_AMIGA)
|
|
return -ENODEV;
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
if (!amijoy[i])
|
|
continue;
|
|
|
|
amijoy_dev[i] = input_allocate_device();
|
|
if (!amijoy_dev[i]) {
|
|
err = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
if (!request_mem_region(CUSTOM_PHYSADDR + 10 + i * 2, 2, "amijoy [Denise]")) {
|
|
input_free_device(amijoy_dev[i]);
|
|
err = -EBUSY;
|
|
goto fail;
|
|
}
|
|
|
|
amijoy_dev[i]->name = "Amiga joystick";
|
|
amijoy_dev[i]->phys = amijoy_phys[i];
|
|
amijoy_dev[i]->id.bustype = BUS_AMIGA;
|
|
amijoy_dev[i]->id.vendor = 0x0001;
|
|
amijoy_dev[i]->id.product = 0x0003;
|
|
amijoy_dev[i]->id.version = 0x0100;
|
|
|
|
amijoy_dev[i]->open = amijoy_open;
|
|
amijoy_dev[i]->close = amijoy_close;
|
|
|
|
amijoy_dev[i]->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
|
|
amijoy_dev[i]->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y);
|
|
amijoy_dev[i]->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
|
|
BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
|
|
for (j = 0; j < 2; j++) {
|
|
input_set_abs_params(amijoy_dev[i], ABS_X + j,
|
|
-1, 1, 0, 0);
|
|
}
|
|
|
|
err = input_register_device(amijoy_dev[i]);
|
|
if (err) {
|
|
input_free_device(amijoy_dev[i]);
|
|
goto fail;
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
fail: while (--i >= 0)
|
|
if (amijoy[i]) {
|
|
input_unregister_device(amijoy_dev[i]);
|
|
release_mem_region(CUSTOM_PHYSADDR + 10 + i * 2, 2);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static void __exit amijoy_exit(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
if (amijoy[i]) {
|
|
input_unregister_device(amijoy_dev[i]);
|
|
release_mem_region(CUSTOM_PHYSADDR + 10 + i * 2, 2);
|
|
}
|
|
}
|
|
|
|
module_init(amijoy_init);
|
|
module_exit(amijoy_exit);
|