1a59d1b8e0
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
153 lines
3.8 KiB
C
153 lines
3.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright (c) 2000 Justin Cormack
|
|
*/
|
|
|
|
/*
|
|
* Newton keyboard driver for Linux
|
|
*/
|
|
|
|
/*
|
|
*/
|
|
|
|
#include <linux/slab.h>
|
|
#include <linux/module.h>
|
|
#include <linux/input.h>
|
|
#include <linux/serio.h>
|
|
|
|
#define DRIVER_DESC "Newton keyboard driver"
|
|
|
|
MODULE_AUTHOR("Justin Cormack <j.cormack@doc.ic.ac.uk>");
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
MODULE_LICENSE("GPL");
|
|
|
|
#define NKBD_KEY 0x7f
|
|
#define NKBD_PRESS 0x80
|
|
|
|
static unsigned char nkbd_keycode[128] = {
|
|
KEY_A, KEY_S, KEY_D, KEY_F, KEY_H, KEY_G, KEY_Z, KEY_X,
|
|
KEY_C, KEY_V, 0, KEY_B, KEY_Q, KEY_W, KEY_E, KEY_R,
|
|
KEY_Y, KEY_T, KEY_1, KEY_2, KEY_3, KEY_4, KEY_6, KEY_5,
|
|
KEY_EQUAL, KEY_9, KEY_7, KEY_MINUS, KEY_8, KEY_0, KEY_RIGHTBRACE, KEY_O,
|
|
KEY_U, KEY_LEFTBRACE, KEY_I, KEY_P, KEY_ENTER, KEY_L, KEY_J, KEY_APOSTROPHE,
|
|
KEY_K, KEY_SEMICOLON, KEY_BACKSLASH, KEY_COMMA, KEY_SLASH, KEY_N, KEY_M, KEY_DOT,
|
|
KEY_TAB, KEY_SPACE, KEY_GRAVE, KEY_DELETE, 0, 0, 0, KEY_LEFTMETA,
|
|
KEY_LEFTSHIFT, KEY_CAPSLOCK, KEY_LEFTALT, KEY_LEFTCTRL, KEY_RIGHTSHIFT, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
KEY_LEFT, KEY_RIGHT, KEY_DOWN, KEY_UP, 0
|
|
};
|
|
|
|
struct nkbd {
|
|
unsigned char keycode[128];
|
|
struct input_dev *dev;
|
|
struct serio *serio;
|
|
char phys[32];
|
|
};
|
|
|
|
static irqreturn_t nkbd_interrupt(struct serio *serio,
|
|
unsigned char data, unsigned int flags)
|
|
{
|
|
struct nkbd *nkbd = serio_get_drvdata(serio);
|
|
|
|
/* invalid scan codes are probably the init sequence, so we ignore them */
|
|
if (nkbd->keycode[data & NKBD_KEY]) {
|
|
input_report_key(nkbd->dev, nkbd->keycode[data & NKBD_KEY], data & NKBD_PRESS);
|
|
input_sync(nkbd->dev);
|
|
}
|
|
|
|
else if (data == 0xe7) /* end of init sequence */
|
|
printk(KERN_INFO "input: %s on %s\n", nkbd->dev->name, serio->phys);
|
|
return IRQ_HANDLED;
|
|
|
|
}
|
|
|
|
static int nkbd_connect(struct serio *serio, struct serio_driver *drv)
|
|
{
|
|
struct nkbd *nkbd;
|
|
struct input_dev *input_dev;
|
|
int err = -ENOMEM;
|
|
int i;
|
|
|
|
nkbd = kzalloc(sizeof(struct nkbd), GFP_KERNEL);
|
|
input_dev = input_allocate_device();
|
|
if (!nkbd || !input_dev)
|
|
goto fail1;
|
|
|
|
nkbd->serio = serio;
|
|
nkbd->dev = input_dev;
|
|
snprintf(nkbd->phys, sizeof(nkbd->phys), "%s/input0", serio->phys);
|
|
memcpy(nkbd->keycode, nkbd_keycode, sizeof(nkbd->keycode));
|
|
|
|
input_dev->name = "Newton Keyboard";
|
|
input_dev->phys = nkbd->phys;
|
|
input_dev->id.bustype = BUS_RS232;
|
|
input_dev->id.vendor = SERIO_NEWTON;
|
|
input_dev->id.product = 0x0001;
|
|
input_dev->id.version = 0x0100;
|
|
input_dev->dev.parent = &serio->dev;
|
|
|
|
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
|
|
input_dev->keycode = nkbd->keycode;
|
|
input_dev->keycodesize = sizeof(unsigned char);
|
|
input_dev->keycodemax = ARRAY_SIZE(nkbd_keycode);
|
|
for (i = 0; i < 128; i++)
|
|
set_bit(nkbd->keycode[i], input_dev->keybit);
|
|
clear_bit(0, input_dev->keybit);
|
|
|
|
serio_set_drvdata(serio, nkbd);
|
|
|
|
err = serio_open(serio, drv);
|
|
if (err)
|
|
goto fail2;
|
|
|
|
err = input_register_device(nkbd->dev);
|
|
if (err)
|
|
goto fail3;
|
|
|
|
return 0;
|
|
|
|
fail3: serio_close(serio);
|
|
fail2: serio_set_drvdata(serio, NULL);
|
|
fail1: input_free_device(input_dev);
|
|
kfree(nkbd);
|
|
return err;
|
|
}
|
|
|
|
static void nkbd_disconnect(struct serio *serio)
|
|
{
|
|
struct nkbd *nkbd = serio_get_drvdata(serio);
|
|
|
|
serio_close(serio);
|
|
serio_set_drvdata(serio, NULL);
|
|
input_unregister_device(nkbd->dev);
|
|
kfree(nkbd);
|
|
}
|
|
|
|
static const struct serio_device_id nkbd_serio_ids[] = {
|
|
{
|
|
.type = SERIO_RS232,
|
|
.proto = SERIO_NEWTON,
|
|
.id = SERIO_ANY,
|
|
.extra = SERIO_ANY,
|
|
},
|
|
{ 0 }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(serio, nkbd_serio_ids);
|
|
|
|
static struct serio_driver nkbd_drv = {
|
|
.driver = {
|
|
.name = "newtonkbd",
|
|
},
|
|
.description = DRIVER_DESC,
|
|
.id_table = nkbd_serio_ids,
|
|
.interrupt = nkbd_interrupt,
|
|
.connect = nkbd_connect,
|
|
.disconnect = nkbd_disconnect,
|
|
};
|
|
|
|
module_serio_driver(nkbd_drv);
|