/*
* AT and PS/2 keyboard driver
*
* Copyright (c) 1999-2002 Vojtech Pavlik
*/
/*
* 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 driver can handle standard AT keyboards and PS/2 keyboards in
* Translated and Raw Set 2 and Set 3, as well as AT keyboards on dumb
* input-only controllers and AT keyboards connected over a one way RS232
* converter.
*/
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/serio.h>
#include <linux/workqueue.h>
#include <linux/timer.h>
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
MODULE_DESCRIPTION("AT and PS/2 keyboard driver");
MODULE_PARM(atkbd_set, "1i");
MODULE_PARM(atkbd_reset, "1i");
MODULE_PARM(atkbd_softrepeat, "1i");
MODULE_LICENSE("GPL");
static int atkbd_set = 2;
module_param_named(set, atkbd_set, int, 0);
MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3, 4)");
#if defined(__i386__) || defined(__x86_64__) || defined(__hppa__)
static int atkbd_reset;
#else
static int atkbd_reset = 1;
#endif
static int atkbd_softrepeat;
module_param_named(reset, atkbd_reset, bool, 0);
MODULE_PARM_DESC(reset, "Reset keyboard during initialization");
static int atkbd_softrepeat;
module_param_named(softrepeat, atkbd_softrepeat, bool, 0);
MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat");
/*
* Scancode to keycode tables. These are just the default setting, and
* are loadable via an userland utility.
*/
#if defined(__hppa__)
#include "hpps2atkbd.h"
#else
static unsigned char atkbd_set2_keycode[512] = {
0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117,
0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0,
0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183,
0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185,
0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0,
0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85,
0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0,
82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125,
173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127,
159, 0,115, 0,164, 0, 0,116,158, 0,150,166, 0, 0, 0,142,
157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0,
226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112,
110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0,
0, 0, 0, 65, 99,
};
#endif
static unsigned char atkbd_set3_keycode[512] = {
0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60,
131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62,
134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64,
136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66,
125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68,
113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70,
108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104,
82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183,
184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0,
0,139,150,163,165,115,152,150,166,140,160,154,113,114,167,168,
148,149,147,140
};
static unsigned char atkbd_unxlate_table[128] = {
0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13,
21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42,
50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3,
11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105,
114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63,
71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111,
19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110
};
#define ATKBD_CMD_SETLEDS 0x10ed
#define ATKBD_CMD_GSCANSET 0x11f0
#define ATKBD_CMD_SSCANSET 0x10f0
#define ATKBD_CMD_GETID 0x02f2
#define ATKBD_CMD_SETREP 0x10f3
#define ATKBD_CMD_ENABLE 0x00f4
#define ATKBD_CMD_RESET_DIS 0x00f5
#define ATKBD_CMD_SETALL_MBR 0x00fa
#define ATKBD_CMD_RESET_BAT 0x02ff
#define ATKBD_CMD_RESEND 0x00fe
#define ATKBD_CMD_EX_ENABLE 0x10ea
#define ATKBD_CMD_EX_SETLEDS 0x20eb
#define ATKBD_CMD_OK_GETID 0x02e8
#define ATKBD_RET_ACK 0xfa
#define ATKBD_RET_NAK 0xfe
#define ATKBD_RET_BAT 0xaa
#define ATKBD_RET_EMUL0 0xe0
#define ATKBD_RET_EMULX 0x80
#define ATKBD_RET_EMUL1 0xe1
#define ATKBD_RET_RELEASE 0xf0
#define ATKBD_RET_HANGUEL 0xf1
#define ATKBD_RET_HANJA 0xf2
#define ATKBD_RET_ERR 0xff
#define ATKBD_KEY_UNKNOWN 0
#define ATKBD_KEY_NULL 255
/*
* The atkbd control structure
*/
struct atkbd {
unsigned char keycode[512];
struct input_dev dev;
struct serio *serio;
struct timer_list timer;
char name[64];
char phys[32];
unsigned char cmdbuf[4];
unsigned char cmdcnt;
unsigned char set;
unsigned char release;
int lastkey;
volatile signed char ack;
unsigned char emul;
unsigned short id;
unsigned char write;
unsigned char translated;
unsigned char resend;
unsigned char bat_xl;
unsigned int last;
unsigned long time;
};
static void atkbd_report_key(struct input_dev *dev, struct pt_regs *regs, int code, int value)
{
input_regs(dev, regs);
if (value == 3) {
input_report_key(dev, code, 1);
input_report_key(dev, code, 0);
} else
input_event(dev, EV_KEY, code, value);
input_sync(dev);
}
/*
* atkbd_interrupt(). Here takes place processing of data received from
* the keyboard into events.
*/
static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
unsigned int flags, struct pt_regs *regs)
{
struct atkbd *atkbd = serio->private;
unsigned int code = data;
int value;
#ifdef ATKBD_DEBUG
printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
#endif
#if !defined(__i386__) && !defined (__x86_64__)
if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
printk("atkbd.c: frame/parity error: %02x\n", flags);
serio_write(serio, ATKBD_CMD_RESEND);
atkbd->resend = 1;
goto out;
}
if (!flags && data == ATKBD_RET_ACK)
atkbd->resend = 0;
#endif
if (!atkbd->ack)
switch (code) {
case ATKBD_RET_ACK:
atkbd->ack = 1;
goto out;
case ATKBD_RET_NAK:
atkbd->ack = -1;
goto out;
}
if (atkbd->cmdcnt) {
atkbd->cmdbuf[--atkbd->cmdcnt] = code;
goto out;
}
if (atkbd->translated) {
if (atkbd->emul ||
!(code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1 ||
code == ATKBD_RET_HANGUEL || code == ATKBD_RET_HANJA ||
code == ATKBD_RET_ERR ||
(code == ATKBD_RET_BAT && !atkbd->bat_xl))) {
atkbd->release = code >> 7;
code &= 0x7f;
}
if (!atkbd->emul &&
(code & 0x7f) == (ATKBD_RET_BAT & 0x7f))
atkbd->bat_xl = !atkbd->release;
}
switch (code) {
case ATKBD_RET_BAT:
serio_rescan(atkbd->serio);
goto out;
case ATKBD_RET_EMUL0:
atkbd->emul = 1;
goto out;
case ATKBD_RET_EMUL1:
atkbd->emul = 2;
goto out;
case ATKBD_RET_RELEASE:
atkbd->release = 1;
goto out;
case ATKBD_RET_HANGUEL:
atkbd_report_key(&atkbd->dev, regs, KEY_HANGUEL, 3);
goto out;
case ATKBD_RET_HANJA:
atkbd_report_key(&atkbd->dev, regs, KEY_HANJA, 3);
goto out;
case ATKBD_RET_ERR:
printk(KERN_WARNING "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys);
goto out;
}
if (atkbd->set != 3)
code = (code & 0x7f) | ((code & 0x80) << 1);
if (atkbd->emul) {
if (--atkbd->emul)
goto out;
code |= (atkbd->set != 3) ? 0x80 : 0x100;
}
switch (atkbd->keycode[code]) {
case ATKBD_KEY_NULL:
break;
case ATKBD_KEY_UNKNOWN:
printk(KERN_WARNING "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n",
atkbd->release ? "released" : "pressed",
atkbd->translated ? "translated" : "raw",
atkbd->set, code, serio->phys);
if (atkbd->translated && atkbd->set == 2 && code == 0x7a)
printk(KERN_WARNING "atkbd.c: This is an XFree86 bug. It shouldn't access"
" hardware directly.\n");
else
printk(KERN_WARNING "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n", code & 0x80 ? "e0" : "", code & 0x7f);
break;
default:
value = atkbd->release ? 0 :
(1 + (!atkbd_softrepeat && test_bit(atkbd->keycode[code], atkbd->dev.key)));
switch (value) { /* Workaround Toshiba laptop multiple keypress */
case 0:
atkbd->last = 0;
break;
case 1:
atkbd->last = code;
atkbd->time = jiffies + (atkbd->dev.rep[REP_DELAY] * HZ + 500) / 1000 / 2;
break;
case 2:
if (!time_after(jiffies, atkbd->time) && atkbd->last == code)
value = 1;
break;
}
atkbd_report_key(&atkbd->dev, regs, atkbd->keycode[code], value);
}
atkbd->release = 0;
out:
return IRQ_HANDLED;
}
/*
* atkbd_sendbyte() sends a byte to the keyboard, and waits for
* acknowledge. It doesn't handle resends according to the keyboard
* protocol specs, because if these are needed, the keyboard needs
* replacement anyway, and they only make a mess in the protocol.
*/
static int atkbd_sendbyte(struct atkbd *atkbd, unsigned char byte)
{
int timeout = 20000; /* 200 msec */
atkbd->ack = 0;
#ifdef ATKBD_DEBUG
printk(KERN_DEBUG "atkbd.c: Sent: %02x\n", byte);
#endif
if (serio_write(atkbd->serio, byte))
return -1;
while (!atkbd->ack && timeout--) udelay(10);
return -(atkbd->ack <= 0);
}
/*
* atkbd_command() sends a command, and its parameters to the keyboard,
* then waits for the response and puts it in the param array.
*/
static int atkbd_command(struct atkbd *atkbd, unsigned char *param, int command)
{
int timeout = 500000; /* 500 msec */
int send = (command >> 12) & 0xf;
int receive = (command >> 8) & 0xf;
int i;
atkbd->cmdcnt = receive;
if (command == ATKBD_CMD_RESET_BAT)
timeout = 2000000; /* 2 sec */
if (receive && param)
for (i = 0; i < receive; i++)
atkbd->cmdbuf[(receive - 1) - i] = param[i];
if (command & 0xff)
if (atkbd_sendbyte(atkbd, command & 0xff))
return (atkbd->cmdcnt = 0) - 1;
for (i = 0; i < send; i++)
if (atkbd_sendbyte(atkbd, param[i]))
return (atkbd->cmdcnt = 0) - 1;
while (atkbd->cmdcnt && timeout--) {
if (atkbd->cmdcnt == 1 &&
command == ATKBD_CMD_RESET_BAT && timeout > 100000)
timeout = 100000;
if (atkbd->cmdcnt == 1 && command == ATKBD_CMD_GETID &&
atkbd->cmdbuf[1] != 0xab && atkbd->cmdbuf[1] != 0xac) {
atkbd->cmdcnt = 0;
break;
}
udelay(1);
}
if (param)
for (i = 0; i < receive; i++)
param[i] = atkbd->cmdbuf[(receive - 1) - i];
if (command == ATKBD_CMD_RESET_BAT && atkbd->cmdcnt == 1)
atkbd->cmdcnt = 0;
if (atkbd->cmdcnt) {
atkbd->cmdcnt = 0;
return -1;
}
return 0;
}
/*
* Event callback from the input module. Events that change the state of
* the hardware are processed here.
*/
static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
struct atkbd *atkbd = dev->private;
const short period[32] =
{ 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
const short delay[4] =
{ 250, 500, 750, 1000 };
unsigned char param[2];
int i, j;
if (!atkbd->write)
return -1;
switch (type) {
case EV_LED:
param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
| (test_bit(LED_NUML, dev->led) ? 2 : 0)
| (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS);
if (atkbd->set == 4) {
param[0] = 0;
param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
| (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
| (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
| (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
| (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
atkbd_command(atkbd, param, ATKBD_CMD_EX_SETLEDS);
}
return 0;
case EV_REP:
if (atkbd_softrepeat) return 0;
i = j = 0;
while (i < 32 && period[i] < dev->rep[REP_PERIOD]) i++;
while (j < 4 && delay[j] < dev->rep[REP_DELAY]) j++;
dev->rep[REP_PERIOD] = period[i];
dev->rep[REP_DELAY] = delay[j];
param[0] = i | (j << 5);
atkbd_command(atkbd, param, ATKBD_CMD_SETREP);
return 0;
}
return -1;
}
/*
* atkbd_probe() probes for an AT keyboard on a serio port.
*/
static int atkbd_probe(struct atkbd *atkbd)
{
unsigned char param[2];
/*
* Some systems, where the bit-twiddling when testing the io-lines of the
* controller may confuse the keyboard need a full reset of the keyboard. On
* these systems the BIOS also usually doesn't do it for us.
*/
if (atkbd_reset)
if (atkbd_command(atkbd, NULL, ATKBD_CMD_RESET_BAT))
printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", atkbd->serio->phys);
/*
* Then we check the keyboard ID. We should get 0xab83 under normal conditions.
* Some keyboards report different values, but the first byte is always 0xab or
* 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
* should make sure we don't try to set the LEDs on it.
*/
param[0] = param[1] = 0xa5; /* initialize with invalid values */
if (atkbd_command(atkbd, param, ATKBD_CMD_GETID)) {
/*
* If the get ID command failed, we check if we can at least set the LEDs on
* the keyboard. This should work on every keyboard out there. It also turns
* the LEDs off, which we want anyway.
*/
param[0] = 0;
if (atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS))
return -1;
atkbd->id = 0xabba;
return 0;
}
if (param[0] != 0xab && param[0] != 0xac)
return -1;
atkbd->id = (param[0] << 8) | param[1];
if (atkbd->id == 0xaca1 && atkbd->translated) {
printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n");
printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n");
return -1;
}
return 0;
}
/*
* atkbd_set_3 checks if a keyboard has a working Set 3 support, and
* sets it into that. Unfortunately there are keyboards that can be switched
* to Set 3, but don't work well in that (BTC Multimedia ...)
*/
static int atkbd_set_3(struct atkbd *atkbd)
{
unsigned char param[2];
/*
* For known special keyboards we can go ahead and set the correct set.
* We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
* IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
*/
if (atkbd->translated)
return 2;
if (atkbd->id == 0xaca1) {
param[0] = 3;
atkbd_command(atkbd, param, ATKBD_CMD_SSCANSET);
return 3;
}
if (atkbd_set != 2)
if (!atkbd_command(atkbd, param, ATKBD_CMD_OK_GETID)) {
atkbd->id = param[0] << 8 | param[1];
return 2;
}
if (atkbd_set == 4) {
param[0] = 0x71;
if (!atkbd_command(atkbd, param, ATKBD_CMD_EX_ENABLE))
return 4;
}
if (atkbd_set != 3)
return 2;
param[0] = 3;
if (atkbd_command(atkbd, param, ATKBD_CMD_SSCANSET))
return 2;
param[0] = 0;
if (atkbd_command(atkbd, param, ATKBD_CMD_GSCANSET))
return 2;
if (param[0] != 3) {
param[0] = 2;
if (atkbd_command(atkbd, param, ATKBD_CMD_SSCANSET))
return 2;
}
atkbd_command(atkbd, param, ATKBD_CMD_SETALL_MBR);
return 3;
}
static int atkbd_enable(struct atkbd *atkbd)
{
unsigned char param[1];
/*
* Set the LEDs to a defined state.
*/
param[0] = 0;
if (atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS))
return -1;
/*
* Set autorepeat to fastest possible.
*/
param[0] = 0;
if (atkbd_command(atkbd, param, ATKBD_CMD_SETREP))
return -1;
/*
* Enable the keyboard to receive keystrokes.
*/
if (atkbd_command(atkbd, NULL, ATKBD_CMD_ENABLE)) {
printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
atkbd->serio->phys);
return -1;
}
return 0;
}
/*
* atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
* reboot.
*/
static void atkbd_cleanup(struct serio *serio)
{
struct atkbd *atkbd = serio->private;
atkbd_command(atkbd, NULL, ATKBD_CMD_RESET_BAT);
}
/*
* atkbd_disconnect() closes and frees.
*/
static void atkbd_disconnect(struct serio *serio)
{
struct atkbd *atkbd = serio->private;
input_unregister_device(&atkbd->dev);
serio_close(serio);
kfree(atkbd);
}
/*
* atkbd_connect() is called when the serio module finds and interface
* that isn't handled yet by an appropriate device driver. We check if
* there is an AT keyboard out there and if yes, we register ourselves
* to the input module.
*/
static void atkbd_connect(struct serio *serio, struct serio_dev *dev)
{
struct atkbd *atkbd;
int i;
if (!(atkbd = kmalloc(sizeof(struct atkbd), GFP_KERNEL)))
return;
memset(atkbd, 0, sizeof(struct atkbd));
switch (serio->type & SERIO_TYPE) {
case SERIO_8042_XL:
atkbd->translated = 1;
case SERIO_8042:
if (serio->write)
atkbd->write = 1;
break;
case SERIO_RS232:
if ((serio->type & SERIO_PROTO) == SERIO_PS2SER)
break;
default:
kfree(atkbd);
return;
}
if (atkbd->write) {
atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
atkbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
} else atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
if (!atkbd_softrepeat) {
atkbd->dev.rep[REP_DELAY] = 250;
atkbd->dev.rep[REP_PERIOD] = 33;
}
atkbd->ack = 1;
atkbd->serio = serio;
init_input_dev(&atkbd->dev);
atkbd->dev.keycode = atkbd->keycode;
atkbd->dev.keycodesize = sizeof(unsigned char);
atkbd->dev.keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
atkbd->dev.event = atkbd_event;
atkbd->dev.private = atkbd;
serio->private = atkbd;
if (serio_open(serio, dev)) {
kfree(atkbd);
return;
}
if (atkbd->write) {
if (atkbd_probe(atkbd)) {
serio_close(serio);
serio->private = NULL;
kfree(atkbd);
return;
}
atkbd->set = atkbd_set_3(atkbd);
atkbd_enable(atkbd);
} else {
atkbd->set = 2;
atkbd->id = 0xab00;
}
if (atkbd->set == 4) {
atkbd->dev.ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) | BIT(LED_SLEEP) | BIT(LED_MUTE) | BIT(LED_MISC);
sprintf(atkbd->name, "AT Set 2 Extended keyboard");
} else
sprintf(atkbd->name, "AT %s Set %d keyboard",
atkbd->translated ? "Translated" : "Raw", atkbd->set);
sprintf(atkbd->phys, "%s/input0", serio->phys);
if (atkbd->translated) {
for (i = 0; i < 128; i++) {
atkbd->keycode[i] = atkbd_set2_keycode[atkbd_unxlate_table[i]];
atkbd->keycode[i | 0x80] = atkbd_set2_keycode[atkbd_unxlate_table[i] | 0x80];
}
} else if (atkbd->set == 2) {
memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
} else {
memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
}
atkbd->dev.name = atkbd->name;
atkbd->dev.phys = atkbd->phys;
atkbd->dev.id.bustype = BUS_I8042;
atkbd->dev.id.vendor = 0x0001;
atkbd->dev.id.product = atkbd->translated ? 1 : atkbd->set;
atkbd->dev.id.version = atkbd->id;
for (i = 0; i < 512; i++)
if (atkbd->keycode[i] && atkbd->keycode[i] < 255)
set_bit(atkbd->keycode[i], atkbd->dev.keybit);
input_register_device(&atkbd->dev);
printk(KERN_INFO "input: %s on %s\n", atkbd->name, serio->phys);
}
/*
* atkbd_reconnect() tries to restore keyboard into a sane state and is
* most likely called on resume.
*/
static int atkbd_reconnect(struct serio *serio)
{
struct atkbd *atkbd = serio->private;
struct serio_dev *dev = serio->dev;
int i;
if (!dev) {
printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
return -1;
}
if (atkbd->write) {
if (atkbd_probe(atkbd))
return -1;
atkbd->set = atkbd_set_3(atkbd);
atkbd_enable(atkbd);
} else {
atkbd->set = 2;
atkbd->id = 0xab00;
}
/*
* Here we probably should check if the keyboard has the same set that
* it had before and bail out if it's different. But this will most likely
* cause new keyboard device be created... and for the user it will look
* like keyboard is lost
*/
if (atkbd->translated) {
for (i = 0; i < 128; i++) {
atkbd->keycode[i] = atkbd_set2_keycode[atkbd_unxlate_table[i]];
atkbd->keycode[i | 0x80] = atkbd_set2_keycode[atkbd_unxlate_table[i] | 0x80];
}
} else if (atkbd->set == 2) {
memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
} else {
memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
}
for (i = 0; i < 512; i++)
if (atkbd->keycode[i] && atkbd->keycode[i] < 255)
set_bit(atkbd->keycode[i], atkbd->dev.keybit);
return 0;
}
static struct serio_dev atkbd_dev = {
.interrupt = atkbd_interrupt,
.connect = atkbd_connect,
.reconnect = atkbd_reconnect,
.disconnect = atkbd_disconnect,
.cleanup = atkbd_cleanup,
};
int __init atkbd_init(void)
{
serio_register_device(&atkbd_dev);
return 0;
}
void __exit atkbd_exit(void)
{
serio_unregister_device(&atkbd_dev);
}
module_init(atkbd_init);
module_exit(atkbd_exit);
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