unsigned long xl_bit;
unsigned int last;
unsigned long time;
+ unsigned long err_count;
struct work_struct event_work;
struct mutex event_mutex;
#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) \
+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) \
+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); \
} \
ATKBD_DEFINE_ATTR(softrepeat);
ATKBD_DEFINE_ATTR(softraw);
+#define ATKBD_DEFINE_RO_ATTR(_name) \
+static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
+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 struct device_attribute atkbd_attr_##_name = \
+ __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
+
+ATKBD_DEFINE_RO_ATTR(err_count);
+
+static struct attribute *atkbd_attributes[] = {
+ &atkbd_attr_extra.attr,
+ &atkbd_attr_scroll.attr,
+ &atkbd_attr_set.attr,
+ &atkbd_attr_softrepeat.attr,
+ &atkbd_attr_softraw.attr,
+ &atkbd_attr_err_count.attr,
+ NULL
+};
+
+static struct attribute_group atkbd_attribute_group = {
+ .attrs = atkbd_attributes,
+};
+
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 irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
- unsigned int flags, struct pt_regs *regs)
+ unsigned int flags)
{
struct atkbd *atkbd = serio_get_drvdata(serio);
struct input_dev *dev = atkbd->dev;
add_release_event = 1;
break;
case ATKBD_RET_ERR:
+ atkbd->err_count++;
+#ifdef ATKBD_DEBUG
printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys);
+#endif
goto out;
}
atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
}
- input_regs(dev, regs);
input_event(dev, EV_KEY, keycode, value);
input_sync(dev);
}
if (atkbd->scroll) {
- input_regs(dev, regs);
if (click != -1)
input_report_key(dev, BTN_MIDDLE, click);
input_report_rel(dev, REL_WHEEL, scroll);
return IRQ_HANDLED;
}
-/*
- * 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 void atkbd_event_work(void *data)
+static int atkbd_set_repeat_rate(struct atkbd *atkbd)
{
const short period[32] =
{ 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
const short delay[4] =
{ 250, 500, 750, 1000 };
- struct atkbd *atkbd = data;
+ struct input_dev *dev = atkbd->dev;
+ unsigned char param;
+ int i = 0, j = 0;
+
+ while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
+ i++;
+ dev->rep[REP_PERIOD] = period[i];
+
+ while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
+ j++;
+ dev->rep[REP_DELAY] = delay[j];
+
+ param = i | (j << 5);
+ return ps2_command(&atkbd->ps2dev, ¶m, ATKBD_CMD_SETREP);
+}
+
+static int atkbd_set_leds(struct atkbd *atkbd)
+{
struct input_dev *dev = atkbd->dev;
unsigned char param[2];
- int i, j;
- mutex_lock(&atkbd->event_mutex);
+ 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);
+ if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
+ return -1;
- 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 (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);
+ if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
+ 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;
+}
+
+/*
+ * 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 void atkbd_event_work(struct work_struct *work)
+{
+ struct atkbd *atkbd = container_of(work, struct atkbd, event_work);
+
+ mutex_lock(&atkbd->event_mutex);
+
+ if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
+ atkbd_set_leds(atkbd);
+
+ if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
+ atkbd_set_repeat_rate(atkbd);
mutex_unlock(&atkbd->event_mutex);
}
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);
-
+ sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
input_unregister_device(atkbd->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
dev = input_allocate_device();
if (!atkbd || !dev)
- goto fail;
+ goto fail1;
atkbd->dev = dev;
ps2_init(&atkbd->ps2dev, serio);
- INIT_WORK(&atkbd->event_work, atkbd_event_work, atkbd);
+ INIT_WORK(&atkbd->event_work, atkbd_event_work);
mutex_init(&atkbd->event_mutex);
switch (serio->id.type) {
err = serio_open(serio, drv);
if (err)
- goto fail;
+ goto fail2;
if (atkbd->write) {
if (atkbd_probe(atkbd)) {
- serio_close(serio);
err = -ENODEV;
- goto fail;
+ goto fail3;
}
atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
atkbd_set_keycode_table(atkbd);
atkbd_set_device_attrs(atkbd);
- 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);
+ err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
+ if (err)
+ goto fail3;
atkbd_enable(atkbd);
- input_register_device(atkbd->dev);
+ err = input_register_device(atkbd->dev);
+ if (err)
+ goto fail4;
return 0;
- fail: serio_set_drvdata(serio, NULL);
- input_free_device(dev);
+ fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(dev);
kfree(atkbd);
return err;
}
{
struct atkbd *atkbd = serio_get_drvdata(serio);
struct serio_driver *drv = serio->drv;
- unsigned char param[1];
if (!atkbd || !drv) {
printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
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);
-
if (atkbd_probe(atkbd))
return -1;
if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
atkbd_activate(atkbd);
- if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
- return -1;
+/*
+ * Restore repeat rate and LEDs (that were reset by atkbd_activate)
+ * to pre-resume state
+ */
+ if (!atkbd->softrepeat)
+ atkbd_set_repeat_rate(atkbd);
+ atkbd_set_leds(atkbd);
}
atkbd_enable(atkbd);
static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
{
- struct input_dev *new_dev;
+ struct input_dev *old_dev, *new_dev;
unsigned long value;
char *rest;
+ int err;
+ unsigned char old_extra, old_set;
if (!atkbd->write)
return -EIO;
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.
+ * unregister old device. But allocate and register
+ * new one first to make sure we have it.
*/
- if (!(new_dev = input_allocate_device()))
+ old_dev = atkbd->dev;
+ old_extra = atkbd->extra;
+ old_set = atkbd->set;
+
+ new_dev = input_allocate_device();
+ if (!new_dev)
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_keycode_table(atkbd);
atkbd_set_device_attrs(atkbd);
- input_register_device(atkbd->dev);
+
+ err = input_register_device(atkbd->dev);
+ if (err) {
+ input_free_device(new_dev);
+
+ atkbd->dev = old_dev;
+ atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
+ atkbd_set_keycode_table(atkbd);
+ atkbd_set_device_attrs(atkbd);
+
+ return err;
+ }
+ input_unregister_device(old_dev);
+
}
return count;
}
static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
{
- struct input_dev *new_dev;
+ struct input_dev *old_dev, *new_dev;
unsigned long value;
char *rest;
+ int err;
+ unsigned char old_scroll;
value = simple_strtoul(buf, &rest, 10);
if (*rest || value > 1)
return -EINVAL;
if (atkbd->scroll != value) {
- if (!(new_dev = input_allocate_device()))
+ old_dev = atkbd->dev;
+ old_scroll = atkbd->scroll;
+
+ new_dev = input_allocate_device();
+ if (!new_dev)
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);
+
+ err = input_register_device(atkbd->dev);
+ if (err) {
+ input_free_device(new_dev);
+
+ atkbd->scroll = old_scroll;
+ atkbd->dev = old_dev;
+ atkbd_set_keycode_table(atkbd);
+ atkbd_set_device_attrs(atkbd);
+
+ return err;
+ }
+ input_unregister_device(old_dev);
}
return count;
}
static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
{
- struct input_dev *new_dev;
+ struct input_dev *old_dev, *new_dev;
unsigned long value;
char *rest;
+ int err;
+ unsigned char old_set, old_extra;
if (!atkbd->write)
return -EIO;
return -EINVAL;
if (atkbd->set != value) {
- if (!(new_dev = input_allocate_device()))
+ old_dev = atkbd->dev;
+ old_extra = atkbd->extra;
+ old_set = atkbd->set;
+
+ new_dev = input_allocate_device();
+ if (!new_dev)
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);
+
+ err = input_register_device(atkbd->dev);
+ if (err) {
+ input_free_device(new_dev);
+
+ atkbd->dev = old_dev;
+ atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
+ atkbd_set_keycode_table(atkbd);
+ atkbd_set_device_attrs(atkbd);
+
+ return err;
+ }
+ input_unregister_device(old_dev);
}
return count;
}
static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
{
- struct input_dev *new_dev;
+ struct input_dev *old_dev, *new_dev;
unsigned long value;
char *rest;
+ int err;
+ unsigned char old_softrepeat, old_softraw;
if (!atkbd->write)
return -EIO;
return -EINVAL;
if (atkbd->softrepeat != value) {
- if (!(new_dev = input_allocate_device()))
+ old_dev = atkbd->dev;
+ old_softrepeat = atkbd->softrepeat;
+ old_softraw = atkbd->softraw;
+
+ new_dev = input_allocate_device();
+ if (!new_dev)
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);
+
+ err = input_register_device(atkbd->dev);
+ if (err) {
+ input_free_device(new_dev);
+
+ atkbd->dev = old_dev;
+ atkbd->softrepeat = old_softrepeat;
+ atkbd->softraw = old_softraw;
+ atkbd_set_device_attrs(atkbd);
+
+ return err;
+ }
+ input_unregister_device(old_dev);
}
return count;
}
static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
{
- struct input_dev *new_dev;
+ struct input_dev *old_dev, *new_dev;
unsigned long value;
char *rest;
+ int err;
+ unsigned char old_softraw;
value = simple_strtoul(buf, &rest, 10);
if (*rest || value > 1)
return -EINVAL;
if (atkbd->softraw != value) {
- if (!(new_dev = input_allocate_device()))
+ old_dev = atkbd->dev;
+ old_softraw = atkbd->softraw;
+
+ new_dev = input_allocate_device();
+ if (!new_dev)
return -ENOMEM;
- input_unregister_device(atkbd->dev);
+
atkbd->dev = new_dev;
atkbd->softraw = value;
atkbd_set_device_attrs(atkbd);
- input_register_device(atkbd->dev);
+
+ err = input_register_device(atkbd->dev);
+ if (err) {
+ input_free_device(new_dev);
+
+ atkbd->dev = old_dev;
+ atkbd->softraw = old_softraw;
+ atkbd_set_device_attrs(atkbd);
+
+ return err;
+ }
+ input_unregister_device(old_dev);
}
return count;
}
+static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
+{
+ return sprintf(buf, "%lu\n", atkbd->err_count);
+}
+
static int __init atkbd_init(void)
{
- serio_register_driver(&atkbd_drv);
- return 0;
+ return serio_register_driver(&atkbd_drv);
}
static void __exit atkbd_exit(void)
projects / powerpc.git / blobdiff