Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / drivers / input / keyboard / atkbd.c
index 8b46866..5550b6d 100644 (file)
@@ -27,6 +27,7 @@
 #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"
 
@@ -54,7 +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;
+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");
 
@@ -71,12 +72,15 @@ __obsolete_setup("atkbd_softrepeat=");
  * 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,
@@ -96,9 +100,8 @@ static unsigned char atkbd_set2_keycode[512] = {
        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] = {
 
@@ -141,7 +144,6 @@ static unsigned char atkbd_unxlate_table[128] = {
 #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
@@ -160,15 +162,25 @@ static unsigned char atkbd_unxlate_table[128] = {
 #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 },
 };
 
 /*
@@ -177,12 +189,12 @@ static unsigned char atkbd_scroll_keys[5][2] = {
 
 struct atkbd {
 
-       struct ps2dev   ps2dev;
+       struct ps2dev ps2dev;
+       struct input_dev *dev;
 
        /* Written only during init */
        char name[64];
        char phys[32];
-       struct input_dev dev;
 
        unsigned short id;
        unsigned char keycode[512];
@@ -200,8 +212,13 @@ struct atkbd {
        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,
@@ -211,15 +228,15 @@ static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, 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, char *b)                        \
+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, const char *b, size_t s) \
+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 =                            \
+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);
@@ -249,9 +266,9 @@ static void atkbd_report_key(struct input_dev *dev, struct pt_regs *regs, int co
 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
@@ -281,28 +298,31 @@ 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(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:
                        atkbd->enabled = 0;
-                       serio_rescan(atkbd->ps2dev.serio);
+                       serio_reconnect(atkbd->ps2dev.serio);
                        goto out;
                case ATKBD_RET_EMUL0:
                        atkbd->emul = 1;
@@ -314,13 +334,13 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
                        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_DEBUG "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;
        }
 
@@ -333,16 +353,20 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
        }
 
        if (atkbd->keycode[code] != ATKBD_KEY_NULL)
-               input_event(&atkbd->dev, EV_MSC, MSC_SCAN, code);
+               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",
@@ -353,7 +377,7 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
                                       "to make it known.\n",
                                       code & 0x80 ? "e0" : "", code & 0x7f);
                        }
-                       input_sync(&atkbd->dev);
+                       input_sync(atkbd->dev);
                        break;
                case ATKBD_SCR_1:
                        scroll = 1 - atkbd->release * 2;
@@ -370,17 +394,23 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
                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)
@@ -388,14 +418,16 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
                                        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;
@@ -403,59 +435,87 @@ out:
        return IRQ_HANDLED;
 }
 
-
 /*
- * Event callback from the input module. Events that change the state of
- * the hardware are processed here.
+ * 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_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+static void atkbd_event_work(void *data)
 {
-       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 };
+
+       struct atkbd *atkbd = data;
+       struct input_dev *dev = atkbd->dev;
        unsigned char param[2];
        int i, j;
 
+       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);
+               }
+       }
+
+       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);
+       }
+
+       mutex_unlock(&atkbd->event_mutex);
+}
+
+/*
+ * Event callback from the input module. Events that change the state of
+ * 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;
+
        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);
-                       ps2_schedule_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_schedule_command(&atkbd->ps2dev, 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);
-                       ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP);
+                       if (!atkbd->softrepeat) {
+                               set_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask);
+                               wmb();
+                               schedule_work(&atkbd->event_work);
+                       }
 
                        return 0;
        }
@@ -647,7 +707,7 @@ static int atkbd_activate(struct atkbd *atkbd)
 
 static void atkbd_cleanup(struct serio *serio)
 {
-       struct atkbd *atkbd = serio->private;
+       struct atkbd *atkbd = serio_get_drvdata(serio);
        ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT);
 }
 
@@ -658,12 +718,12 @@ static void atkbd_cleanup(struct serio *serio)
 
 static void atkbd_disconnect(struct serio *serio)
 {
-       struct atkbd *atkbd = serio->private;
+       struct atkbd *atkbd = serio_get_drvdata(serio);
 
        atkbd_disable(atkbd);
 
        /* make sure we don't have a command in flight */
-       synchronize_kernel();
+       synchronize_sched();  /* Allow atkbd_interrupt()s to complete. */
        flush_scheduled_work();
 
        device_remove_file(&serio->dev, &atkbd_attr_extra);
@@ -672,14 +732,15 @@ static void atkbd_disconnect(struct serio *serio)
        device_remove_file(&serio->dev, &atkbd_attr_softrepeat);
        device_remove_file(&serio->dev, &atkbd_attr_softraw);
 
-       input_unregister_device(&atkbd->dev);
+       input_unregister_device(atkbd->dev);
        serio_close(serio);
+       serio_set_drvdata(serio, NULL);
        kfree(atkbd);
 }
 
 
 /*
- * atkbd_set_device_attrs() initializes keyboard's keycode table
+ * atkbd_set_keycode_table() initializes keyboard's keycode table
  * according to the selected scancode set
  */
 
@@ -694,12 +755,9 @@ static void atkbd_set_keycode_table(struct atkbd *atkbd)
                        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; i < 5; i++) {
-                                       if (atkbd_unxlate_table[i] == atkbd_scroll_keys[j][1])
-                                               atkbd->keycode[i] = atkbd_scroll_keys[j][0];
-                                       if ((atkbd_unxlate_table[i] | 0x80) == atkbd_scroll_keys[j][1])
-                                               atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j][0];
-                               }
+                               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));
@@ -707,8 +765,8 @@ static void atkbd_set_keycode_table(struct atkbd *atkbd)
                memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
 
                if (atkbd->scroll)
-                       for (i = 0; i < 5; i++)
-                               atkbd->keycode[atkbd_scroll_keys[i][1]] = atkbd_scroll_keys[i][0];
+                       for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++)
+                               atkbd->keycode[atkbd_scroll_keys[i].set2] = atkbd_scroll_keys[i].keycode;
        }
 }
 
@@ -718,73 +776,84 @@ static void atkbd_set_keycode_table(struct atkbd *atkbd)
 
 static void atkbd_set_device_attrs(struct atkbd *atkbd)
 {
+       struct input_dev *input_dev = atkbd->dev;
        int i;
 
-       memset(&atkbd->dev, 0, sizeof(struct input_dev));
+       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);
 
-       init_input_dev(&atkbd->dev);
+       sprintf(atkbd->phys, "%s/input0", atkbd->ps2dev.serio->phys);
 
-       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->dev.event = atkbd_event;
-       atkbd->dev.private = atkbd;
-       atkbd->dev.dev = &atkbd->ps2dev.serio->dev;
+       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;
 
-       atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_MSC);
+       input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_MSC);
 
        if (atkbd->write) {
-               atkbd->dev.evbit[0] |= BIT(EV_LED);
-               atkbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
+               input_dev->evbit[0] |= BIT(EV_LED);
+               input_dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
        }
 
        if (atkbd->extra)
-               atkbd->dev.ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) |
+               input_dev->ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) |
                                        BIT(LED_SLEEP) | BIT(LED_MUTE) | BIT(LED_MISC);
 
        if (!atkbd->softrepeat) {
-               atkbd->dev.rep[REP_DELAY] = 250;
-               atkbd->dev.rep[REP_PERIOD] = 33;
+               input_dev->rep[REP_DELAY] = 250;
+               input_dev->rep[REP_PERIOD] = 33;
        }
 
-       atkbd->dev.mscbit[0] = atkbd->softraw ? BIT(MSC_SCAN) : BIT(MSC_RAW) | BIT(MSC_SCAN);
+       input_dev->mscbit[0] = atkbd->softraw ? BIT(MSC_SCAN) : BIT(MSC_RAW) | BIT(MSC_SCAN);
 
        if (atkbd->scroll) {
-               atkbd->dev.evbit[0] |= BIT(EV_REL);
-               atkbd->dev.relbit[0] = BIT(REL_WHEEL);
-               set_bit(BTN_MIDDLE, atkbd->dev.keybit);
+               input_dev->evbit[0] |= BIT(EV_REL);
+               input_dev->relbit[0] = BIT(REL_WHEEL) | BIT(REL_HWHEEL);
+               set_bit(BTN_MIDDLE, input_dev->keybit);
        }
 
-       atkbd->dev.keycode = atkbd->keycode;
-       atkbd->dev.keycodesize = sizeof(unsigned char);
-       atkbd->dev.keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
+       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], atkbd->dev.keybit);
+                       set_bit(atkbd->keycode[i], input_dev->keybit);
 }
 
 /*
- * atkbd_connect() is called when the serio module finds and interface
+ * 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_driver *drv)
+static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
 {
        struct atkbd *atkbd;
+       struct input_dev *dev;
+       int err = -ENOMEM;
 
-       if (!(atkbd = kmalloc(sizeof(struct atkbd), GFP_KERNEL)))
-               return;
-       memset(atkbd, 0, sizeof(struct atkbd));
+       atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
+       dev = input_allocate_device();
+       if (!atkbd || !dev)
+               goto fail;
 
+       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;
@@ -792,38 +861,27 @@ static void atkbd_connect(struct serio *serio, struct serio_driver *drv)
                        if (serio->write)
                                atkbd->write = 1;
                        break;
-               case SERIO_RS232:
-                       if ((serio->type & SERIO_PROTO) == SERIO_PS2SER)
-                               break;
-               default:
-                       kfree(atkbd);
-                       return;
        }
 
        atkbd->softraw = atkbd_softraw;
        atkbd->softrepeat = atkbd_softrepeat;
        atkbd->scroll = atkbd_scroll;
 
-       if (!atkbd->write)
-               atkbd->softrepeat = 1;
-
        if (atkbd->softrepeat)
                atkbd->softraw = 1;
 
-       serio->private = atkbd;
+       serio_set_drvdata(serio, atkbd);
 
-       if (serio_open(serio, drv)) {
-               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_select_set(atkbd, atkbd_set, atkbd_extra);
@@ -834,19 +892,9 @@ static void atkbd_connect(struct serio *serio, struct serio_driver *drv)
                atkbd->id = 0xab00;
        }
 
-       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", serio->phys);
-
        atkbd_set_keycode_table(atkbd);
        atkbd_set_device_attrs(atkbd);
 
-       input_register_device(&atkbd->dev);
-
        device_create_file(&serio->dev, &atkbd_attr_extra);
        device_create_file(&serio->dev, &atkbd_attr_scroll);
        device_create_file(&serio->dev, &atkbd_attr_set);
@@ -855,7 +903,14 @@ static void atkbd_connect(struct serio *serio, struct serio_driver *drv)
 
        atkbd_enable(atkbd);
 
-       printk(KERN_INFO "input: %s on %s\n", atkbd->name, serio->phys);
+       input_register_device(atkbd->dev);
+
+       return 0;
+
+ fail: serio_set_drvdata(serio, NULL);
+       input_free_device(dev);
+       kfree(atkbd);
+       return err;
 }
 
 /*
@@ -865,7 +920,7 @@ static void atkbd_connect(struct serio *serio, struct serio_driver *drv)
 
 static int atkbd_reconnect(struct serio *serio)
 {
-       struct atkbd *atkbd = serio->private;
+       struct atkbd *atkbd = serio_get_drvdata(serio);
        struct serio_driver *drv = serio->drv;
        unsigned char param[1];
 
@@ -877,9 +932,9 @@ static int atkbd_reconnect(struct serio *serio)
        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;
@@ -897,11 +952,36 @@ static int atkbd_reconnect(struct serio *serio)
        return 0;
 }
 
+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,
@@ -924,7 +1004,7 @@ static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
                goto out;
        }
 
-       retval = handler((struct atkbd *)serio->private, buf);
+       retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
 
 out:
        serio_unpin_driver(serio);
@@ -947,7 +1027,7 @@ static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t
                goto out;
        }
 
-       atkbd = serio->private;
+       atkbd = serio_get_drvdata(serio);
        atkbd_disable(atkbd);
        retval = handler(atkbd, buf, count);
        atkbd_enable(atkbd);
@@ -964,6 +1044,7 @@ static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
 
 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;
 
@@ -975,12 +1056,19 @@ static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t coun
                return -EINVAL;
 
        if (atkbd->extra != value) {
-               /* unregister device as it's properties will change */
-               input_unregister_device(&atkbd->dev);
+               /*
+                * 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);
+               input_register_device(atkbd->dev);
        }
        return count;
 }
@@ -992,6 +1080,7 @@ static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
 
 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;
 
@@ -1000,12 +1089,14 @@ static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t cou
                return -EINVAL;
 
        if (atkbd->scroll != value) {
-               /* unregister device as it's properties will change */
-               input_unregister_device(&atkbd->dev);
+               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);
+               input_register_device(atkbd->dev);
        }
        return count;
 }
@@ -1017,6 +1108,7 @@ static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
 
 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;
 
@@ -1028,13 +1120,15 @@ static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
                return -EINVAL;
 
        if (atkbd->set != value) {
-               /* unregister device as it's properties will change */
-               input_unregister_device(&atkbd->dev);
+               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);
+               input_register_device(atkbd->dev);
        }
        return count;
 }
@@ -1046,6 +1140,7 @@ static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
 
 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;
 
@@ -1057,15 +1152,16 @@ static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t
                return -EINVAL;
 
        if (atkbd->softrepeat != value) {
-               /* unregister device as it's properties will change */
-               input_unregister_device(&atkbd->dev);
+               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);
+               input_register_device(atkbd->dev);
        }
-
        return count;
 }
 
@@ -1077,6 +1173,7 @@ static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
 
 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;
 
@@ -1085,23 +1182,25 @@ static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t co
                return -EINVAL;
 
        if (atkbd->softraw != value) {
-               /* unregister device as it's properties will change */
-               input_unregister_device(&atkbd->dev);
+               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);
+               input_register_device(atkbd->dev);
        }
        return count;
 }
 
 
-int __init atkbd_init(void)
+static int __init atkbd_init(void)
 {
        serio_register_driver(&atkbd_drv);
        return 0;
 }
 
-void __exit atkbd_exit(void)
+static void __exit atkbd_exit(void)
 {
        serio_unregister_driver(&atkbd_drv);
 }