Auto-update from upstream
[powerpc.git] / drivers / input / keyboard / atkbd.c
index 82fad9a..820c7fd 100644 (file)
@@ -185,12 +185,12 @@ static struct {
 
 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];
@@ -208,6 +208,7 @@ struct atkbd {
        unsigned char resend;
        unsigned char release;
        unsigned char bat_xl;
+       unsigned char err_xl;
        unsigned int last;
        unsigned long time;
 };
@@ -227,7 +228,7 @@ static ssize_t atkbd_do_set_##_name(struct device *d, struct device_attribute *a
 {                                                                              \
        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);
@@ -289,22 +290,25 @@ 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_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))
+               if (!atkbd->emul) {
+                    if ((code & 0x7f) == (ATKBD_RET_BAT & 0x7f))
                        atkbd->bat_xl = !atkbd->release;
+                    if ((code & 0x7f) == (ATKBD_RET_ERR & 0x7f))
+                       atkbd->err_xl = !atkbd->release;
+               }
        }
 
        switch (code) {
@@ -322,10 +326,10 @@ 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);
@@ -341,7 +345,7 @@ 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:
@@ -361,7 +365,7 @@ 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;
@@ -386,15 +390,15 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
                        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 + msecs_to_jiffies(atkbd->dev.rep[REP_DELAY]) / 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)
@@ -402,16 +406,16 @@ 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 (atkbd->scroll) {
-               input_regs(&atkbd->dev, regs);
+               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);
+                       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;
@@ -459,7 +463,6 @@ static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int co
 
                        return 0;
 
-
                case EV_REP:
 
                        if (atkbd->softrepeat) return 0;
@@ -689,7 +692,7 @@ 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);
@@ -697,7 +700,7 @@ static void atkbd_disconnect(struct serio *serio)
 
 
 /*
- * atkbd_set_device_attrs() initializes keyboard's keycode table
+ * atkbd_set_keycode_table() initializes keyboard's keycode table
  * according to the selected scancode set
  */
 
@@ -733,53 +736,58 @@ 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) | BIT(REL_HWHEEL);
-               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);
 }
 
 /*
@@ -792,13 +800,15 @@ static void atkbd_set_device_attrs(struct atkbd *atkbd)
 static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
 {
        struct atkbd *atkbd;
-       int err;
-
-       if (!(atkbd = kmalloc(sizeof(struct atkbd), GFP_KERNEL)))
-               return - ENOMEM;
+       struct input_dev *dev;
+       int err = -ENOMEM;
 
-       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);
 
        switch (serio->id.type) {
@@ -824,19 +834,15 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
        serio_set_drvdata(serio, atkbd);
 
        err = serio_open(serio, drv);
-       if (err) {
-               serio_set_drvdata(serio, NULL);
-               kfree(atkbd);
-               return err;
-       }
+       if (err)
+               goto fail;
 
        if (atkbd->write) {
 
                if (atkbd_probe(atkbd)) {
                        serio_close(serio);
-                       serio_set_drvdata(serio, NULL);
-                       kfree(atkbd);
-                       return -ENODEV;
+                       err = -ENODEV;
+                       goto fail;
                }
 
                atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
@@ -847,19 +853,9 @@ static int 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);
@@ -868,9 +864,14 @@ static int 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;
 }
 
 /*
@@ -892,9 +893,9 @@ 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;
@@ -1004,6 +1005,7 @@ 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;
 
@@ -1015,12 +1017,19 @@ 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;
 }
@@ -1032,6 +1041,7 @@ 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;
 
@@ -1040,12 +1050,14 @@ 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;
 }
@@ -1057,6 +1069,7 @@ 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;
 
@@ -1068,13 +1081,15 @@ 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;
 }
@@ -1086,6 +1101,7 @@ 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;
 
@@ -1097,15 +1113,16 @@ 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;
 }
 
@@ -1117,6 +1134,7 @@ 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;
 
@@ -1125,11 +1143,13 @@ 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;
 }