+++ /dev/null
-/*
- * based on: sunkbd.c and ps2serkbd.c
- *
- * $Id: ps2serkbd.c,v 1.5 2001/09/25 10:12:07 vojtech Exp $
- */
-
-/*
- * PS/2 keyboard via adapter at serial port driver for Linux
- */
-
-/*
- * 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
- */
-
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/input.h>
-#include <linux/serio.h>
-#include <linux/tqueue.h>
-
-#define ATKBD_CMD_SETLEDS 0x10ed
-#define ATKBD_CMD_GSCANSET 0x11f0
-#define ATKBD_CMD_SSCANSET 0x10f0
-#define ATKBD_CMD_GETID 0x02f2
-#define ATKBD_CMD_ENABLE 0x00f4
-#define ATKBD_CMD_RESET_DIS 0x00f5
-#define ATKBD_CMD_SETALL_MB 0x00f8
-#define ATKBD_CMD_EX_ENABLE 0x10ea
-#define ATKBD_CMD_EX_SETLEDS 0x20eb
-
-#define ATKBD_RET_ACK 0xfa
-#define ATKBD_RET_NAK 0xfe
-
-#define ATKBD_KEY_UNKNOWN 0
-#define ATKBD_KEY_BAT 251
-#define ATKBD_KEY_EMUL0 252
-#define ATKBD_KEY_EMUL1 253
-#define ATKBD_KEY_RELEASE 254
-#define ATKBD_KEY_NULL 255
-
-static unsigned char ps2serkbd_set2_keycode[512] = {
- 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41, 85,
- 0, 56, 42, 0, 29, 16, 2, 89, 0, 0, 44, 31, 30, 17, 3, 90,
- 0, 46, 45, 32, 18, 5, 4, 91, 0, 57, 47, 33, 20, 19, 6, 0,
- 0, 49, 48, 35, 34, 21, 7, 0, 0, 0, 50, 36, 22, 8, 9, 0,
- 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0,
- 122, 89, 40,120, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 0,
- 85, 86, 90, 91, 92, 93, 14, 94, 95, 79, 0, 75, 71,121, 0,123,
- 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99,
- 252, 0, 0, 65, 99, 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, 0,251, 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,
- 252,253, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 254, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,255,
- 0, 0, 92, 90, 85, 0,137, 0, 0, 0, 0, 91, 89,144,115, 0,
- 136,100,255, 0, 97,149,164, 0,156, 0, 0,140,115, 0, 0,125,
- 0,150, 0,154,152,163,151,126,112,166, 0,140, 0,147, 0,127,
- 159,167,139,160,163, 0, 0,116,158, 0,150,165, 0, 0, 0,142,
- 157, 0,114,166,168, 0, 0, 0,155, 0, 98,113, 0,148, 0,138,
- 0, 0, 0, 0, 0, 0,153,140, 0, 0, 96, 0, 0, 0,143, 0,
- 133, 0,116, 0,143, 0,174,133, 0,107, 0,105,102, 0, 0,112,
- 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119
-};
-
-/*
- * Per-keyboard data.
- */
-
-struct ps2serkbd {
- unsigned char keycode[512];
- struct input_dev dev;
- struct serio *serio;
- char name[64];
- char phys[32];
- struct tq_struct tq;
- unsigned char cmdbuf[4];
- unsigned char cmdcnt;
- unsigned char set;
- char release;
- char ack;
- char emul;
- char error;
- unsigned short id;
-};
-
-/*
- * ps2serkbd_interrupt() is called by the low level driver when a character
- * is received.
- */
-
-static void ps2serkbd_interrupt(struct serio *serio, unsigned char data, unsigned int flags)
-{
- static int event_count=0;
- struct ps2serkbd* ps2serkbd = serio->private;
- int code=data;
-
-#if 0
- printk(KERN_WARNING "ps2serkbd.c(%8d): (scancode %#x)\n", event_count, data);
-#endif
- event_count++;
-
- switch (code) {
- case ATKBD_RET_ACK:
- ps2serkbd->ack = 1;
- return;
- case ATKBD_RET_NAK:
- ps2serkbd->ack = -1;
- return;
- }
-
- if (ps2serkbd->cmdcnt) {
- ps2serkbd->cmdbuf[--ps2serkbd->cmdcnt] = code;
- return;
- }
-
- switch (ps2serkbd->keycode[code]) {
- case ATKBD_KEY_BAT:
- queue_task(&ps2serkbd->tq, &tq_immediate);
- mark_bh(IMMEDIATE_BH);
- return;
- case ATKBD_KEY_EMUL0:
- ps2serkbd->emul = 1;
- return;
- case ATKBD_KEY_EMUL1:
- ps2serkbd->emul = 2;
- return;
- case ATKBD_KEY_RELEASE:
- ps2serkbd->release = 1;
- return;
- }
-
- if (ps2serkbd->emul) {
- if (--ps2serkbd->emul) return;
- code |= 0x100;
- }
-
- switch (ps2serkbd->keycode[code]) {
- case ATKBD_KEY_NULL:
- break;
- case ATKBD_KEY_UNKNOWN:
- printk(KERN_WARNING "ps2serkbd.c: Unknown key (set %d, scancode %#x) %s.\n",
- ps2serkbd->set, code, ps2serkbd->release ? "released" : "pressed");
- break;
- default:
- input_report_key(&ps2serkbd->dev, ps2serkbd->keycode[code], !ps2serkbd->release);
- input_sync(&ps2serkbd->dev);
- }
-
- ps2serkbd->release = 0;
-}
-
-/*
- * ps2serkbd_event() handles events from the input module.
- */
-
-static int ps2serkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
-{
- switch (type) {
-
- case EV_LED:
-
- return 0;
- }
-
- return -1;
-}
-
-static int ps2serkbd_initialize(struct ps2serkbd *ps2serkbd)
-{
- return 0;
-}
-
-static void ps2serkbd_reinit(void *data)
-{
-}
-
-
-static void ps2serkbd_connect(struct serio *serio, struct serio_dev *dev)
-{
- struct ps2serkbd *ps2serkbd;
- int i;
-
- if ((serio->type & SERIO_TYPE) != SERIO_RS232)
- return;
-
- if ((serio->type & SERIO_PROTO) && (serio->type & SERIO_PROTO) != SERIO_PS2SER)
- return;
-
-
- if (!(ps2serkbd = kmalloc(sizeof(struct ps2serkbd), GFP_KERNEL)))
- return;
-
- memset(ps2serkbd, 0, sizeof(struct ps2serkbd));
-
- ps2serkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
- ps2serkbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
-
- ps2serkbd->serio = serio;
-
- ps2serkbd->dev.keycode = ps2serkbd->keycode;
- ps2serkbd->dev.event = ps2serkbd_event;
- ps2serkbd->dev.private = ps2serkbd;
-
- ps2serkbd->tq.routine = ps2serkbd_reinit;
- ps2serkbd->tq.data = ps2serkbd;
-
- serio->private = ps2serkbd;
-
- if (serio_open(serio, dev)) {
- kfree(ps2serkbd);
- return;
- }
-
- if (ps2serkbd_initialize(ps2serkbd) < 0) {
- serio_close(serio);
- kfree(ps2serkbd);
- return;
- }
-
- ps2serkbd->set = 4;
-
- if (ps2serkbd->set == 4) {
- ps2serkbd->dev.ledbit[0] |= 0;
- sprintf(ps2serkbd->name, "AT Set 2 Extended keyboard\n");
- }
- memcpy(ps2serkbd->keycode, ps2serkbd_set2_keycode, sizeof(ps2serkbd->keycode));
-
- sprintf(ps2serkbd->phys, "%s/input0", serio->phys);
-
- ps2serkbd->dev.name = ps2serkbd->name;
- ps2serkbd->dev.phys = ps2serkbd->phys;
- ps2serkbd->dev.id.bustype = BUS_RS232;
- ps2serkbd->dev.id.vendor = SERIO_PS2SER;
- ps2serkbd->dev.id.product = ps2serkbd->set;
- ps2serkbd->dev.id.version = ps2serkbd->id;
-
- for (i = 0; i < 512; i++)
- if (ps2serkbd->keycode[i] && ps2serkbd->keycode[i] <= 250)
- set_bit(ps2serkbd->keycode[i], ps2serkbd->dev.keybit);
-
- input_register_device(&ps2serkbd->dev);
-}
-
-/*
- * ps2serkbd_disconnect() unregisters and closes behind us.
- */
-
-static void ps2serkbd_disconnect(struct serio *serio)
-{
- struct ps2serkbd *ps2serkbd = serio->private;
- input_unregister_device(&ps2serkbd->dev);
- serio_close(serio);
- kfree(ps2serkbd);
-}
-
-static struct serio_dev ps2serkbd_dev = {
-interrupt:
- ps2serkbd_interrupt,
-connect:
- ps2serkbd_connect,
-disconnect:
- ps2serkbd_disconnect
-};
-
-/*
- * The functions for insering/removing us as a module.
- */
-
-int __init ps2serkbd_init(void)
-{
- serio_register_device(&ps2serkbd_dev);
- return 0;
-}
-
-void __exit ps2serkbd_exit(void)
-{
- serio_unregister_device(&ps2serkbd_dev);
-}
-
-module_init(ps2serkbd_init);
-module_exit(ps2serkbd_exit);
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