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Input: atkbd - fix HANGEUL/HANJA keys

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Make atkbd report HANGEUL/HANJA keys by default and use correct scan
codes for these keys (they were swapped). Also make sure their scancodes
reported as EV_MSC/MSC_SCAN events.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2006-06-26 01:52:34 -04:00
parent b9ab58dd8e
commit 0ae051a190
2 changed files with 135 additions and 79 deletions
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6
drivers/char/keyboard.c
View File

@ -1075,10 +1075,12 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode,
put_queue(vc, 0x45 | up_flag);
return 0;
case KEY_HANGEUL:
if (!up_flag) put_queue(vc, 0xf1);
if (!up_flag)
put_queue(vc, 0xf2);
return 0;
case KEY_HANJA:
if (!up_flag) put_queue(vc, 0xf2);
if (!up_flag)
put_queue(vc, 0xf1);
return 0;
}

208
drivers/input/keyboard/atkbd.c
View File

@ -55,7 +55,7 @@ static int atkbd_softraw = 1;
module_param_named(softraw, atkbd_softraw, bool, 0);
MODULE_PARM_DESC(softraw, "Use software generated rawmode");
static int atkbd_scroll = 0;
static int atkbd_scroll;
module_param_named(scroll, atkbd_scroll, bool, 0);
MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards");
@ -150,8 +150,8 @@ static unsigned char atkbd_unxlate_table[128] = {
#define ATKBD_RET_EMUL0 0xe0
#define ATKBD_RET_EMUL1 0xe1
#define ATKBD_RET_RELEASE 0xf0
#define ATKBD_RET_HANGEUL 0xf1
#define ATKBD_RET_HANJA 0xf2
#define ATKBD_RET_HANJA 0xf1
#define ATKBD_RET_HANGEUL 0xf2
#define ATKBD_RET_ERR 0xff
#define ATKBD_KEY_UNKNOWN 0
@ -170,6 +170,13 @@ static unsigned char atkbd_unxlate_table[128] = {
#define ATKBD_LED_EVENT_BIT 0
#define ATKBD_REP_EVENT_BIT 1
#define ATKBD_XL_ERR 0x01
#define ATKBD_XL_BAT 0x02
#define ATKBD_XL_ACK 0x04
#define ATKBD_XL_NAK 0x08
#define ATKBD_XL_HANGEUL 0x10
#define ATKBD_XL_HANJA 0x20
static struct {
unsigned char keycode;
unsigned char set2;
@ -211,8 +218,7 @@ struct atkbd {
unsigned char emul;
unsigned char resend;
unsigned char release;
unsigned char bat_xl;
unsigned char err_xl;
unsigned long xl_bit;
unsigned int last;
unsigned long time;
@ -245,17 +251,65 @@ ATKBD_DEFINE_ATTR(set);
ATKBD_DEFINE_ATTR(softrepeat);
ATKBD_DEFINE_ATTR(softraw);
static const unsigned int xl_table[] = {
ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
};
static void atkbd_report_key(struct input_dev *dev, struct pt_regs *regs, int code, int value)
/*
* Checks if we should mangle the scancode to extract 'release' bit
* in translated mode.
*/
static int atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
{
input_regs(dev, regs);
if (value == 3) {
input_report_key(dev, code, 1);
input_sync(dev);
input_report_key(dev, code, 0);
} else
input_event(dev, EV_KEY, code, value);
input_sync(dev);
int i;
if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
return 0;
for (i = 0; i < ARRAY_SIZE(xl_table); i++)
if (code == xl_table[i])
return test_bit(i, &xl_bit);
return 1;
}
/*
* Calculates new value of xl_bit so the driver can distinguish
* between make/break pair of scancodes for select keys and PS/2
* protocol responses.
*/
static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
{
int i;
for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
if (!((code ^ xl_table[i]) & 0x7f)) {
if (code & 0x80)
__clear_bit(i, &atkbd->xl_bit);
else
__set_bit(i, &atkbd->xl_bit);
break;
}
}
}
/*
* Encode the scancode, 0xe0 prefix, and high bit into a single integer,
* keeping kernel 2.4 compatibility for set 2
*/
static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
{
if (atkbd->set == 3) {
if (atkbd->emul == 1)
code |= 0x100;
} else {
code = (code & 0x7f) | ((code & 0x80) << 1);
if (atkbd->emul == 1)
code |= 0x80;
}
return code;
}
/*
@ -267,9 +321,11 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
unsigned int flags, struct pt_regs *regs)
{
struct atkbd *atkbd = serio_get_drvdata(serio);
struct input_dev *dev = atkbd->dev;
unsigned int code = data;
int scroll = 0, hscroll = 0, click = -1;
int scroll = 0, hscroll = 0, click = -1, add_release_event = 0;
int value;
unsigned char keycode;
#ifdef ATKBD_DEBUG
printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
@ -298,25 +354,17 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
if (!atkbd->enabled)
goto out;
input_event(atkbd->dev, EV_MSC, MSC_RAW, code);
input_event(dev, EV_MSC, MSC_RAW, code);
if (atkbd->translated) {
if (atkbd->emul ||
(code != ATKBD_RET_EMUL0 && code != ATKBD_RET_EMUL1 &&
code != ATKBD_RET_HANGEUL && code != ATKBD_RET_HANJA &&
(code != ATKBD_RET_ERR || atkbd->err_xl) &&
(code != ATKBD_RET_BAT || atkbd->bat_xl))) {
if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
atkbd->release = code >> 7;
code &= 0x7f;
}
if (!atkbd->emul) {
if ((code & 0x7f) == (ATKBD_RET_BAT & 0x7f))
atkbd->bat_xl = !(data >> 7);
if ((code & 0x7f) == (ATKBD_RET_ERR & 0x7f))
atkbd->err_xl = !(data >> 7);
}
if (!atkbd->emul)
atkbd_calculate_xl_bit(atkbd, data);
}
switch (code) {
@ -333,47 +381,48 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
case ATKBD_RET_RELEASE:
atkbd->release = 1;
goto out;
case ATKBD_RET_ACK:
case ATKBD_RET_NAK:
printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
"Some program might be trying access hardware directly.\n",
data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
goto out;
case ATKBD_RET_HANGEUL:
atkbd_report_key(atkbd->dev, regs, KEY_HANGEUL, 3);
goto out;
case ATKBD_RET_HANJA:
atkbd_report_key(atkbd->dev, regs, KEY_HANJA, 3);
goto out;
/*
* These keys do not report release and thus need to be
* flagged properly
*/
add_release_event = 1;
break;
case ATKBD_RET_ERR:
printk(KERN_DEBUG "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;
}
code = atkbd_compat_scancode(atkbd, code);
if (atkbd->keycode[code] != ATKBD_KEY_NULL)
input_event(atkbd->dev, EV_MSC, MSC_SCAN, code);
if (atkbd->emul && --atkbd->emul)
goto out;
switch (atkbd->keycode[code]) {
keycode = atkbd->keycode[code];
if (keycode != ATKBD_KEY_NULL)
input_event(dev, EV_MSC, MSC_SCAN, code);
switch (keycode) {
case ATKBD_KEY_NULL:
break;
case ATKBD_KEY_UNKNOWN:
if (data == ATKBD_RET_ACK || data == ATKBD_RET_NAK) {
printk(KERN_WARNING "atkbd.c: Spurious %s on %s. Some program, "
"like XFree86, might be trying access hardware directly.\n",
data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
} else {
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);
printk(KERN_WARNING "atkbd.c: Use 'setkeycodes %s%02x <keycode>' "
"to make it known.\n",
code & 0x80 ? "e0" : "", code & 0x7f);
}
input_sync(atkbd->dev);
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);
printk(KERN_WARNING
"atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
code & 0x80 ? "e0" : "", code & 0x7f);
input_sync(dev);
break;
case ATKBD_SCR_1:
scroll = 1 - atkbd->release * 2;
@ -397,33 +446,35 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
hscroll = 1;
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 + msecs_to_jiffies(atkbd->dev->rep[REP_DELAY]) / 2;
break;
case 2:
if (!time_after(jiffies, atkbd->time) && atkbd->last == code)
value = 1;
break;
if (atkbd->release) {
value = 0;
atkbd->last = 0;
} else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) {
/* Workaround Toshiba laptop multiple keypress */
value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2;
} else {
value = 1;
atkbd->last = code;
atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
}
atkbd_report_key(atkbd->dev, regs, atkbd->keycode[code], value);
input_regs(dev, regs);
input_report_key(dev, keycode, value);
input_sync(dev);
if (value && add_release_event) {
input_report_key(dev, keycode, 0);
input_sync(dev);
}
}
if (atkbd->scroll) {
input_regs(atkbd->dev, regs);
input_regs(dev, regs);
if (click != -1)
input_report_key(atkbd->dev, BTN_MIDDLE, click);
input_report_rel(atkbd->dev, REL_WHEEL, scroll);
input_report_rel(atkbd->dev, REL_HWHEEL, hscroll);
input_sync(atkbd->dev);
input_report_key(dev, BTN_MIDDLE, click);
input_report_rel(dev, REL_WHEEL, scroll);
input_report_rel(dev, REL_HWHEEL, hscroll);
input_sync(dev);
}
atkbd->release = 0;
@ -764,6 +815,9 @@ static void atkbd_set_keycode_table(struct atkbd *atkbd)
for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++)
atkbd->keycode[atkbd_scroll_keys[i].set2] = atkbd_scroll_keys[i].keycode;
}
atkbd->keycode[atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL)] = KEY_HANGUEL;
atkbd->keycode[atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA)] = KEY_HANJA;
}
/*