#include <linux/input.h>
#include <linux/serio.h>
#include <linux/workqueue.h>
+#include <linux/libps2.h>
+#include <linux/mutex.h>
+
+#define DRIVER_DESC "AT and PS/2 keyboard driver"
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
-MODULE_DESCRIPTION("AT and PS/2 keyboard driver");
+MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
static int atkbd_set = 2;
module_param_named(softrepeat, atkbd_softrepeat, bool, 0);
MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat");
-static int atkbd_scroll;
+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;
module_param_named(scroll, atkbd_scroll, bool, 0);
MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards");
* are loadable via an userland utility.
*/
-#if defined(__hppa__)
-#include "hpps2atkbd.h"
-#else
-
static unsigned char atkbd_set2_keycode[512] = {
+#ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES
+
+/* XXX: need a more general approach */
+
+#include "hpps2atkbd.h" /* include the keyboard scancodes */
+
+#else
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,
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] = {
#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_SCR_4 252
#define ATKBD_SCR_8 251
#define ATKBD_SCR_CLICK 250
-
-#define ATKBD_SPECIAL 250
-
-static unsigned char atkbd_scroll_keys[5][2] = {
- { ATKBD_SCR_1, 0x45 },
- { ATKBD_SCR_2, 0x29 },
- { ATKBD_SCR_4, 0x36 },
- { ATKBD_SCR_8, 0x27 },
- { ATKBD_SCR_CLICK, 0x60 },
+#define ATKBD_SCR_LEFT 249
+#define ATKBD_SCR_RIGHT 248
+
+#define ATKBD_SPECIAL 248
+
+#define ATKBD_LED_EVENT_BIT 0
+#define ATKBD_REP_EVENT_BIT 1
+
+static struct {
+ unsigned char keycode;
+ unsigned char set2;
+} atkbd_scroll_keys[] = {
+ { ATKBD_SCR_1, 0xc5 },
+ { ATKBD_SCR_2, 0x9d },
+ { ATKBD_SCR_4, 0xa4 },
+ { ATKBD_SCR_8, 0x9b },
+ { ATKBD_SCR_CLICK, 0xe0 },
+ { ATKBD_SCR_LEFT, 0xcb },
+ { ATKBD_SCR_RIGHT, 0xd2 },
};
/*
*/
struct atkbd {
- unsigned char keycode[512];
- struct input_dev dev;
- struct serio *serio;
+ struct ps2dev ps2dev;
+ struct input_dev *dev;
+
+ /* Written only during init */
char name[64];
char phys[32];
+
unsigned short id;
+ unsigned char keycode[512];
unsigned char set;
- unsigned int translated:1;
- unsigned int extra:1;
- unsigned int write:1;
-
- unsigned char cmdbuf[4];
- unsigned char cmdcnt;
- volatile signed char ack;
+ unsigned char translated;
+ unsigned char extra;
+ unsigned char write;
+ unsigned char softrepeat;
+ unsigned char softraw;
+ unsigned char scroll;
+ unsigned char enabled;
+
+ /* Accessed only from interrupt */
unsigned char emul;
- unsigned int resend:1;
- unsigned int release:1;
- unsigned int bat_xl:1;
- unsigned int enabled:1;
-
+ unsigned char resend;
+ unsigned char release;
+ unsigned char bat_xl;
+ unsigned char err_xl;
unsigned int last;
unsigned long time;
+
+ struct work_struct event_work;
+ struct mutex event_mutex;
+ unsigned long event_mask;
};
+static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
+ ssize_t (*handler)(struct atkbd *, char *));
+static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
+ ssize_t (*handler)(struct atkbd *, const char *, size_t));
+#define ATKBD_DEFINE_ATTR(_name) \
+static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
+static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
+static ssize_t atkbd_do_show_##_name(struct device *d, struct device_attribute *attr, char *b) \
+{ \
+ return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
+} \
+static ssize_t atkbd_do_set_##_name(struct device *d, struct device_attribute *attr, const char *b, size_t s) \
+{ \
+ return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
+} \
+static struct device_attribute atkbd_attr_##_name = \
+ __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
+
+ATKBD_DEFINE_ATTR(extra);
+ATKBD_DEFINE_ATTR(scroll);
+ATKBD_DEFINE_ATTR(set);
+ATKBD_DEFINE_ATTR(softrepeat);
+ATKBD_DEFINE_ATTR(softraw);
+
+
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_sync(dev);
input_report_key(dev, code, 0);
} else
input_event(dev, EV_KEY, code, value);
static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
unsigned int flags, struct pt_regs *regs)
{
- struct atkbd *atkbd = serio->private;
+ struct atkbd *atkbd = serio_get_drvdata(serio);
unsigned int code = data;
- int scroll = 0, click = -1;
+ int scroll = 0, hscroll = 0, click = -1;
int value;
#ifdef ATKBD_DEBUG
#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);
+ printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags);
serio_write(serio, ATKBD_CMD_RESEND);
atkbd->resend = 1;
goto out;
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 (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
+ if (ps2_handle_ack(&atkbd->ps2dev, data))
+ goto out;
- if (atkbd->cmdcnt) {
- atkbd->cmdbuf[--atkbd->cmdcnt] = code;
- goto out;
- }
+ if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
+ if (ps2_handle_response(&atkbd->ps2dev, data))
+ goto out;
if (!atkbd->enabled)
goto out;
+ input_event(atkbd->dev, EV_MSC, MSC_RAW, code);
+
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))) {
+ (code != ATKBD_RET_EMUL0 && code != ATKBD_RET_EMUL1 &&
+ code != ATKBD_RET_HANGUEL && code != ATKBD_RET_HANJA &&
+ (code != ATKBD_RET_ERR || atkbd->err_xl) &&
+ (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;
+ 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);
+ }
}
switch (code) {
case ATKBD_RET_BAT:
- serio_rescan(atkbd->serio);
+ atkbd->enabled = 0;
+ serio_reconnect(atkbd->ps2dev.serio);
goto out;
case ATKBD_RET_EMUL0:
atkbd->emul = 1;
atkbd->release = 1;
goto out;
case ATKBD_RET_HANGUEL:
- atkbd_report_key(&atkbd->dev, regs, KEY_HANGUEL, 3);
+ atkbd_report_key(atkbd->dev, regs, KEY_HANGUEL, 3);
goto out;
case ATKBD_RET_HANJA:
- atkbd_report_key(&atkbd->dev, regs, KEY_HANJA, 3);
+ 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);
+// printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys);
goto out;
}
code |= (atkbd->set != 3) ? 0x80 : 0x100;
}
+ if (atkbd->keycode[code] != ATKBD_KEY_NULL)
+ input_event(atkbd->dev, EV_MSC, MSC_SCAN, code);
+
switch (atkbd->keycode[code]) {
case ATKBD_KEY_NULL:
break;
case ATKBD_KEY_UNKNOWN:
if (data == ATKBD_RET_ACK || data == ATKBD_RET_NAK) {
+#if 0
+/* Quite a few key switchers and other tools trigger this and it confuses
+ people who can do nothing about it */
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);
+#endif
} else {
printk(KERN_WARNING "atkbd.c: Unknown key %s "
"(%s set %d, code %#x on %s).\n",
"to make it known.\n",
code & 0x80 ? "e0" : "", code & 0x7f);
}
+ input_sync(atkbd->dev);
break;
case ATKBD_SCR_1:
scroll = 1 - atkbd->release * 2;
case ATKBD_SCR_CLICK:
click = !atkbd->release;
break;
+ case ATKBD_SCR_LEFT:
+ hscroll = -1;
+ break;
+ case ATKBD_SCR_RIGHT:
+ hscroll = 1;
+ break;
default:
value = atkbd->release ? 0 :
- (1 + (!atkbd_softrepeat && test_bit(atkbd->keycode[code], atkbd->dev.key)));
+ (1 + (!atkbd->softrepeat && test_bit(atkbd->keycode[code], atkbd->dev->key)));
- switch (value) { /* Workaround Toshiba laptop multiple keypress */
+ 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;
+ atkbd->time = jiffies + msecs_to_jiffies(atkbd->dev->rep[REP_DELAY]) / 2;
break;
case 2:
if (!time_after(jiffies, atkbd->time) && atkbd->last == code)
break;
}
- atkbd_report_key(&atkbd->dev, regs, atkbd->keycode[code], value);
+ atkbd_report_key(atkbd->dev, regs, atkbd->keycode[code], value);
}
- if (scroll || click != -1) {
- input_regs(&atkbd->dev, regs);
- input_report_key(&atkbd->dev, BTN_MIDDLE, click);
- input_report_rel(&atkbd->dev, REL_WHEEL, scroll);
- input_sync(&atkbd->dev);
+ if (atkbd->scroll) {
+ input_regs(atkbd->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);
}
atkbd->release = 0;
}
/*
- * 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.
+ * atkbd_event_work() is used to complete processing of events that
+ * can not be processed by input_event() which is often called from
+ * interrupt context.
*/
-static int atkbd_command(struct atkbd *atkbd, unsigned char *param, int command)
+static void atkbd_event_work(void *data)
{
- 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--) {
+ 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 };
- if (atkbd->cmdcnt == 1 &&
- command == ATKBD_CMD_RESET_BAT && timeout > 100000)
- timeout = 100000;
+ struct atkbd *atkbd = data;
+ struct input_dev *dev = atkbd->dev;
+ unsigned char param[2];
+ int i, j;
- if (atkbd->cmdcnt == 1 && command == ATKBD_CMD_GETID &&
- atkbd->cmdbuf[1] != 0xab && atkbd->cmdbuf[1] != 0xac) {
- atkbd->cmdcnt = 0;
- break;
+ mutex_lock(&atkbd->event_mutex);
+
+ if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) {
+ 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);
+ ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS);
+
+ if (atkbd->extra) {
+ 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);
+ ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS);
}
-
- 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;
+ if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) {
+ i = j = 0;
+ while (i < 31 && period[i] < dev->rep[REP_PERIOD])
+ i++;
+ while (j < 3 && delay[j] < dev->rep[REP_DELAY])
+ j++;
+ dev->rep[REP_PERIOD] = period[i];
+ dev->rep[REP_DELAY] = delay[j];
+ param[0] = i | (j << 5);
+ ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP);
}
- return 0;
+ mutex_unlock(&atkbd->event_mutex);
}
/*
* Event callback from the input module. Events that change the state of
- * the hardware are processed here.
+ * the hardware are processed here. If action can not be performed in
+ * interrupt context it is offloaded to atkbd_event_work.
*/
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->extra) {
- 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);
- }
-
+ set_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask);
+ wmb();
+ schedule_work(&atkbd->event_work);
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);
+ if (!atkbd->softrepeat) {
+ set_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask);
+ wmb();
+ schedule_work(&atkbd->event_work);
+ }
return 0;
}
return -1;
}
+/*
+ * atkbd_enable() signals that interrupt handler is allowed to
+ * generate input events.
+ */
+
+static inline void atkbd_enable(struct atkbd *atkbd)
+{
+ serio_pause_rx(atkbd->ps2dev.serio);
+ atkbd->enabled = 1;
+ serio_continue_rx(atkbd->ps2dev.serio);
+}
+
+/*
+ * atkbd_disable() tells input handler that all incoming data except
+ * for ACKs and command response should be dropped.
+ */
+
+static inline void atkbd_disable(struct atkbd *atkbd)
+{
+ serio_pause_rx(atkbd->ps2dev.serio);
+ atkbd->enabled = 0;
+ serio_continue_rx(atkbd->ps2dev.serio);
+}
+
/*
* atkbd_probe() probes for an AT keyboard on a serio port.
*/
static int atkbd_probe(struct atkbd *atkbd)
{
+ struct ps2dev *ps2dev = &atkbd->ps2dev;
unsigned char param[2];
/*
*/
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);
+ if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
+ printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys);
/*
* Then we check the keyboard ID. We should get 0xab83 under normal conditions.
*/
param[0] = param[1] = 0xa5; /* initialize with invalid values */
- if (atkbd_command(atkbd, param, ATKBD_CMD_GETID)) {
+ if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
/*
* If the get ID command failed, we check if we can at least set the LEDs on
* the LEDs off, which we want anyway.
*/
param[0] = 0;
- if (atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS))
+ if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
return -1;
atkbd->id = 0xabba;
return 0;
}
- if (param[0] != 0xab && param[0] != 0xac)
+ if (param[0] != 0xab && param[0] != 0xac && /* Regular and NCD Sun keyboards */
+ param[0] != 0x2b && param[0] != 0x5d && /* Trust keyboard, raw and translated */
+ param[0] != 0x60 && param[0] != 0x47) /* NMB SGI keyboard, raw and translated */
return -1;
+
atkbd->id = (param[0] << 8) | param[1];
if (atkbd->id == 0xaca1 && atkbd->translated) {
}
/*
- * atkbd_set_3 checks if a keyboard has a working Set 3 support, and
+ * atkbd_select_set 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)
+static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
{
+ struct ps2dev *ps2dev = &atkbd->ps2dev;
unsigned char param[2];
+ atkbd->extra = 0;
/*
* For known special keyboards we can go ahead and set the correct set.
* We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
if (atkbd->id == 0xaca1) {
param[0] = 3;
- atkbd_command(atkbd, param, ATKBD_CMD_SSCANSET);
+ ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
return 3;
}
- if (atkbd_extra) {
+ if (allow_extra) {
param[0] = 0x71;
- if (!atkbd_command(atkbd, param, ATKBD_CMD_EX_ENABLE)) {
+ if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
atkbd->extra = 1;
return 2;
}
}
- if (atkbd_set != 3)
+ if (target_set != 3)
return 2;
- if (!atkbd_command(atkbd, param, ATKBD_CMD_OK_GETID)) {
+ if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
atkbd->id = param[0] << 8 | param[1];
return 2;
}
param[0] = 3;
- if (atkbd_command(atkbd, param, ATKBD_CMD_SSCANSET))
+ if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
return 2;
param[0] = 0;
- if (atkbd_command(atkbd, param, ATKBD_CMD_GSCANSET))
+ if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
return 2;
if (param[0] != 3) {
param[0] = 2;
- if (atkbd_command(atkbd, param, ATKBD_CMD_SSCANSET))
+ if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
return 2;
}
- atkbd_command(atkbd, param, ATKBD_CMD_SETALL_MBR);
+ ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
return 3;
}
-static int atkbd_enable(struct atkbd *atkbd)
+static int atkbd_activate(struct atkbd *atkbd)
{
+ struct ps2dev *ps2dev = &atkbd->ps2dev;
unsigned char param[1];
/*
*/
param[0] = 0;
- if (atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS))
+ if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
return -1;
/*
*/
param[0] = 0;
- if (atkbd_command(atkbd, param, ATKBD_CMD_SETREP))
+ if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
return -1;
/*
* Enable the keyboard to receive keystrokes.
*/
- if (atkbd_command(atkbd, NULL, ATKBD_CMD_ENABLE)) {
+ if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
- atkbd->serio->phys);
+ ps2dev->serio->phys);
return -1;
}
static void atkbd_cleanup(struct serio *serio)
{
- struct atkbd *atkbd = serio->private;
- atkbd_command(atkbd, NULL, ATKBD_CMD_RESET_BAT);
+ struct atkbd *atkbd = serio_get_drvdata(serio);
+ ps2_command(&atkbd->ps2dev, 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);
+ struct atkbd *atkbd = serio_get_drvdata(serio);
+
+ atkbd_disable(atkbd);
+
+ /* make sure we don't have a command in flight */
+ synchronize_sched(); /* Allow atkbd_interrupt()s to complete. */
+ flush_scheduled_work();
+
+ device_remove_file(&serio->dev, &atkbd_attr_extra);
+ device_remove_file(&serio->dev, &atkbd_attr_scroll);
+ device_remove_file(&serio->dev, &atkbd_attr_set);
+ device_remove_file(&serio->dev, &atkbd_attr_softrepeat);
+ device_remove_file(&serio->dev, &atkbd_attr_softraw);
+
+ input_unregister_device(atkbd->dev);
serio_close(serio);
+ serio_set_drvdata(serio, NULL);
kfree(atkbd);
}
+
+/*
+ * atkbd_set_keycode_table() initializes keyboard's keycode table
+ * according to the selected scancode set
+ */
+
+static void atkbd_set_keycode_table(struct atkbd *atkbd)
+{
+ int i, j;
+
+ memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
+
+ 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];
+ if (atkbd->scroll)
+ for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
+ if ((atkbd_unxlate_table[i] | 0x80) == atkbd_scroll_keys[j].set2)
+ atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
+ }
+ } else if (atkbd->set == 3) {
+ memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
+ } else {
+ memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
+
+ if (atkbd->scroll)
+ for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++)
+ atkbd->keycode[atkbd_scroll_keys[i].set2] = atkbd_scroll_keys[i].keycode;
+ }
+}
+
/*
- * atkbd_connect() is called when the serio module finds and interface
+ * atkbd_set_device_attrs() sets up keyboard's input device structure
+ */
+
+static void atkbd_set_device_attrs(struct atkbd *atkbd)
+{
+ struct input_dev *input_dev = atkbd->dev;
+ int i;
+
+ if (atkbd->extra)
+ sprintf(atkbd->name, "AT Set 2 Extra keyboard");
+ else
+ sprintf(atkbd->name, "AT %s Set %d keyboard",
+ atkbd->translated ? "Translated" : "Raw", atkbd->set);
+
+ sprintf(atkbd->phys, "%s/input0", atkbd->ps2dev.serio->phys);
+
+ input_dev->name = atkbd->name;
+ input_dev->phys = atkbd->phys;
+ input_dev->id.bustype = BUS_I8042;
+ input_dev->id.vendor = 0x0001;
+ input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
+ input_dev->id.version = atkbd->id;
+ input_dev->event = atkbd_event;
+ input_dev->private = atkbd;
+ input_dev->cdev.dev = &atkbd->ps2dev.serio->dev;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_MSC);
+
+ if (atkbd->write) {
+ input_dev->evbit[0] |= BIT(EV_LED);
+ input_dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
+ }
+
+ if (atkbd->extra)
+ input_dev->ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) |
+ BIT(LED_SLEEP) | BIT(LED_MUTE) | BIT(LED_MISC);
+
+ if (!atkbd->softrepeat) {
+ input_dev->rep[REP_DELAY] = 250;
+ input_dev->rep[REP_PERIOD] = 33;
+ }
+
+ input_dev->mscbit[0] = atkbd->softraw ? BIT(MSC_SCAN) : BIT(MSC_RAW) | BIT(MSC_SCAN);
+
+ if (atkbd->scroll) {
+ input_dev->evbit[0] |= BIT(EV_REL);
+ input_dev->relbit[0] = BIT(REL_WHEEL) | BIT(REL_HWHEEL);
+ set_bit(BTN_MIDDLE, input_dev->keybit);
+ }
+
+ input_dev->keycode = atkbd->keycode;
+ input_dev->keycodesize = sizeof(unsigned char);
+ input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
+
+ for (i = 0; i < 512; i++)
+ if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
+ set_bit(atkbd->keycode[i], input_dev->keybit);
+}
+
+/*
+ * atkbd_connect() is called when the serio module finds an 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)
+static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
{
struct atkbd *atkbd;
- int i;
+ struct input_dev *dev;
+ int err = -ENOMEM;
+
+ atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
+ dev = input_allocate_device();
+ if (!atkbd || !dev)
+ goto fail;
- if (!(atkbd = kmalloc(sizeof(struct atkbd), GFP_KERNEL)))
- return;
- memset(atkbd, 0, sizeof(struct atkbd));
+ atkbd->dev = dev;
+ ps2_init(&atkbd->ps2dev, serio);
+ INIT_WORK(&atkbd->event_work, atkbd_event_work, atkbd);
+ mutex_init(&atkbd->event_mutex);
- switch (serio->type & SERIO_TYPE) {
+ switch (serio->id.type) {
case SERIO_8042_XL:
atkbd->translated = 1;
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->softraw = atkbd_softraw;
+ atkbd->softrepeat = atkbd_softrepeat;
+ atkbd->scroll = atkbd_scroll;
- atkbd->ack = 1;
- atkbd->serio = serio;
+ if (atkbd->softrepeat)
+ atkbd->softraw = 1;
- init_input_dev(&atkbd->dev);
+ serio_set_drvdata(serio, atkbd);
- 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;
- }
+ err = serio_open(serio, drv);
+ if (err)
+ goto fail;
if (atkbd->write) {
if (atkbd_probe(atkbd)) {
serio_close(serio);
- serio->private = NULL;
- kfree(atkbd);
- return;
+ err = -ENODEV;
+ goto fail;
}
- atkbd->set = atkbd_set_3(atkbd);
- atkbd_enable(atkbd);
+ atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
+ atkbd_activate(atkbd);
} else {
atkbd->set = 2;
atkbd->id = 0xab00;
}
- atkbd->enabled = 1;
-
- if (atkbd->extra) {
- 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 Extra keyboard");
- } else
- sprintf(atkbd->name, "AT %s Set %d keyboard",
- atkbd->translated ? "Translated" : "Raw", atkbd->set);
+ atkbd_set_keycode_table(atkbd);
+ atkbd_set_device_attrs(atkbd);
- sprintf(atkbd->phys, "%s/input0", serio->phys);
-
- if (atkbd_scroll) {
- for (i = 0; i < 5; i++)
- atkbd_set2_keycode[atkbd_scroll_keys[i][1]] = atkbd_scroll_keys[i][0];
- atkbd->dev.evbit[0] |= BIT(EV_REL);
- atkbd->dev.relbit[0] = BIT(REL_WHEEL);
- set_bit(BTN_MIDDLE, atkbd->dev.keybit);
- }
-
- 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 == 3) {
- memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
- } else {
- memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
- }
+ device_create_file(&serio->dev, &atkbd_attr_extra);
+ device_create_file(&serio->dev, &atkbd_attr_scroll);
+ device_create_file(&serio->dev, &atkbd_attr_set);
+ device_create_file(&serio->dev, &atkbd_attr_softrepeat);
+ device_create_file(&serio->dev, &atkbd_attr_softraw);
- 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;
+ atkbd_enable(atkbd);
- for (i = 0; i < 512; i++)
- if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
- set_bit(atkbd->keycode[i], atkbd->dev.keybit);
+ input_register_device(atkbd->dev);
- input_register_device(&atkbd->dev);
+ return 0;
- printk(KERN_INFO "input: %s on %s\n", atkbd->name, serio->phys);
+ fail: serio_set_drvdata(serio, NULL);
+ input_free_device(dev);
+ kfree(atkbd);
+ return err;
}
/*
static int atkbd_reconnect(struct serio *serio)
{
- struct atkbd *atkbd = serio->private;
- struct serio_dev *dev = serio->dev;
+ struct atkbd *atkbd = serio_get_drvdata(serio);
+ struct serio_driver *drv = serio->drv;
unsigned char param[1];
- if (!dev) {
+ if (!atkbd || !drv) {
printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
return -1;
}
+ atkbd_disable(atkbd);
+
if (atkbd->write) {
- param[0] = (test_bit(LED_SCROLLL, atkbd->dev.led) ? 1 : 0)
- | (test_bit(LED_NUML, atkbd->dev.led) ? 2 : 0)
- | (test_bit(LED_CAPSL, atkbd->dev.led) ? 4 : 0);
+ param[0] = (test_bit(LED_SCROLLL, atkbd->dev->led) ? 1 : 0)
+ | (test_bit(LED_NUML, atkbd->dev->led) ? 2 : 0)
+ | (test_bit(LED_CAPSL, atkbd->dev->led) ? 4 : 0);
if (atkbd_probe(atkbd))
return -1;
- if (atkbd->set != atkbd_set_3(atkbd))
+ if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
return -1;
- atkbd_enable(atkbd);
+ atkbd_activate(atkbd);
- if (atkbd_command(atkbd, param, ATKBD_CMD_SETLEDS))
+ if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
return -1;
}
+ atkbd_enable(atkbd);
+
return 0;
}
-static struct serio_dev atkbd_dev = {
- .interrupt = atkbd_interrupt,
- .connect = atkbd_connect,
- .reconnect = atkbd_reconnect,
- .disconnect = atkbd_disconnect,
- .cleanup = atkbd_cleanup,
+static struct serio_device_id atkbd_serio_ids[] = {
+ {
+ .type = SERIO_8042,
+ .proto = SERIO_ANY,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ {
+ .type = SERIO_8042_XL,
+ .proto = SERIO_ANY,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ {
+ .type = SERIO_RS232,
+ .proto = SERIO_PS2SER,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
+
+static struct serio_driver atkbd_drv = {
+ .driver = {
+ .name = "atkbd",
+ },
+ .description = DRIVER_DESC,
+ .id_table = atkbd_serio_ids,
+ .interrupt = atkbd_interrupt,
+ .connect = atkbd_connect,
+ .reconnect = atkbd_reconnect,
+ .disconnect = atkbd_disconnect,
+ .cleanup = atkbd_cleanup,
};
-int __init atkbd_init(void)
+static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
+ ssize_t (*handler)(struct atkbd *, char *))
+{
+ struct serio *serio = to_serio_port(dev);
+ int retval;
+
+ retval = serio_pin_driver(serio);
+ if (retval)
+ return retval;
+
+ if (serio->drv != &atkbd_drv) {
+ retval = -ENODEV;
+ goto out;
+ }
+
+ retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
+
+out:
+ serio_unpin_driver(serio);
+ return retval;
+}
+
+static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
+ ssize_t (*handler)(struct atkbd *, const char *, size_t))
+{
+ struct serio *serio = to_serio_port(dev);
+ struct atkbd *atkbd;
+ int retval;
+
+ retval = serio_pin_driver(serio);
+ if (retval)
+ return retval;
+
+ if (serio->drv != &atkbd_drv) {
+ retval = -ENODEV;
+ goto out;
+ }
+
+ atkbd = serio_get_drvdata(serio);
+ atkbd_disable(atkbd);
+ retval = handler(atkbd, buf, count);
+ atkbd_enable(atkbd);
+
+out:
+ serio_unpin_driver(serio);
+ return retval;
+}
+
+static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
+{
+ return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
+}
+
+static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
+{
+ struct input_dev *new_dev;
+ unsigned long value;
+ char *rest;
+
+ if (!atkbd->write)
+ return -EIO;
+
+ value = simple_strtoul(buf, &rest, 10);
+ if (*rest || value > 1)
+ return -EINVAL;
+
+ if (atkbd->extra != value) {
+ /*
+ * Since device's properties will change we need to
+ * unregister old device. But allocate new one first
+ * to make sure we have it.
+ */
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
+ atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
+ atkbd_activate(atkbd);
+ atkbd_set_device_attrs(atkbd);
+ input_register_device(atkbd->dev);
+ }
+ return count;
+}
+
+static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
+{
+ return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
+}
+
+static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
+{
+ struct input_dev *new_dev;
+ unsigned long value;
+ char *rest;
+
+ value = simple_strtoul(buf, &rest, 10);
+ if (*rest || value > 1)
+ return -EINVAL;
+
+ if (atkbd->scroll != value) {
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
+ atkbd->scroll = value;
+ atkbd_set_keycode_table(atkbd);
+ atkbd_set_device_attrs(atkbd);
+ input_register_device(atkbd->dev);
+ }
+ return count;
+}
+
+static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
+{
+ return sprintf(buf, "%d\n", atkbd->set);
+}
+
+static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
+{
+ struct input_dev *new_dev;
+ unsigned long value;
+ char *rest;
+
+ if (!atkbd->write)
+ return -EIO;
+
+ value = simple_strtoul(buf, &rest, 10);
+ if (*rest || (value != 2 && value != 3))
+ return -EINVAL;
+
+ if (atkbd->set != value) {
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
+ atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
+ atkbd_activate(atkbd);
+ atkbd_set_keycode_table(atkbd);
+ atkbd_set_device_attrs(atkbd);
+ input_register_device(atkbd->dev);
+ }
+ return count;
+}
+
+static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
+{
+ return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
+}
+
+static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
+{
+ struct input_dev *new_dev;
+ unsigned long value;
+ char *rest;
+
+ if (!atkbd->write)
+ return -EIO;
+
+ value = simple_strtoul(buf, &rest, 10);
+ if (*rest || value > 1)
+ return -EINVAL;
+
+ if (atkbd->softrepeat != value) {
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
+ atkbd->softrepeat = value;
+ if (atkbd->softrepeat)
+ atkbd->softraw = 1;
+ atkbd_set_device_attrs(atkbd);
+ input_register_device(atkbd->dev);
+ }
+ return count;
+}
+
+
+static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
+{
+ return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
+}
+
+static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
+{
+ struct input_dev *new_dev;
+ unsigned long value;
+ char *rest;
+
+ value = simple_strtoul(buf, &rest, 10);
+ if (*rest || value > 1)
+ return -EINVAL;
+
+ if (atkbd->softraw != value) {
+ if (!(new_dev = input_allocate_device()))
+ return -ENOMEM;
+ input_unregister_device(atkbd->dev);
+ atkbd->dev = new_dev;
+ atkbd->softraw = value;
+ atkbd_set_device_attrs(atkbd);
+ input_register_device(atkbd->dev);
+ }
+ return count;
+}
+
+
+static int __init atkbd_init(void)
{
- serio_register_device(&atkbd_dev);
+ serio_register_driver(&atkbd_drv);
return 0;
}
-void __exit atkbd_exit(void)
+static void __exit atkbd_exit(void)
{
- serio_unregister_device(&atkbd_dev);
+ serio_unregister_driver(&atkbd_drv);
}
module_init(atkbd_init);
git://git.onelab.eu / linux-2.6.git / blobdiff