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-rw-r--r--drivers/input/apm-power.c2
-rw-r--r--drivers/input/evdev.c100
-rw-r--r--drivers/input/ff-core.c4
-rw-r--r--drivers/input/ff-memless.c14
-rw-r--r--drivers/input/input-mt.c2
-rw-r--r--drivers/input/input.c157
-rw-r--r--drivers/input/joydev.c91
-rw-r--r--drivers/input/keyboard/Kconfig3
-rw-r--r--drivers/input/keyboard/davinci_keyscan.c2
-rw-r--r--drivers/input/keyboard/ep93xx_keypad.c2
-rw-r--r--drivers/input/keyboard/gpio_keys.c169
-rw-r--r--drivers/input/keyboard/gpio_keys_polled.c147
-rw-r--r--drivers/input/keyboard/nomadik-ske-keypad.c2
-rw-r--r--drivers/input/keyboard/omap-keypad.c162
-rw-r--r--drivers/input/keyboard/pxa27x_keypad.c5
-rw-r--r--drivers/input/keyboard/pxa930_rotary.c2
-rw-r--r--drivers/input/keyboard/qt2160.c3
-rw-r--r--drivers/input/keyboard/samsung-keypad.c21
-rw-r--r--drivers/input/keyboard/spear-keyboard.c2
-rw-r--r--drivers/input/keyboard/tegra-kbc.c2
-rw-r--r--drivers/input/keyboard/w90p910_keypad.c2
-rw-r--r--drivers/input/misc/atlas_btns.c17
-rw-r--r--drivers/input/misc/rotary_encoder.c140
-rw-r--r--drivers/input/misc/twl4030-pwrbutton.c1
-rw-r--r--drivers/input/misc/twl4030-vibra.c18
-rw-r--r--drivers/input/misc/uinput.c197
-rw-r--r--drivers/input/misc/xen-kbdfront.c5
-rw-r--r--drivers/input/mouse/hgpk.c9
-rw-r--r--drivers/input/mouse/pxa930_trkball.c2
-rw-r--r--drivers/input/mouse/rpcmouse.c2
-rw-r--r--drivers/input/mouse/synaptics.c31
-rw-r--r--drivers/input/mouse/synaptics_i2c.c7
-rw-r--r--drivers/input/mousedev.c226
-rw-r--r--drivers/input/serio/ams_delta_serio.c2
-rw-r--r--drivers/input/sparse-keymap.c4
-rw-r--r--drivers/input/tablet/wacom_sys.c196
-rw-r--r--drivers/input/tablet/wacom_wac.c123
-rw-r--r--drivers/input/tablet/wacom_wac.h5
-rw-r--r--drivers/input/touchscreen/88pm860x-ts.c127
-rw-r--r--drivers/input/touchscreen/Kconfig2
-rw-r--r--drivers/input/touchscreen/atmel_mxt_ts.c6
-rw-r--r--drivers/input/touchscreen/egalax_ts.c23
-rw-r--r--drivers/input/touchscreen/s3c2410_ts.c4
-rw-r--r--drivers/input/touchscreen/tsc40.c1
-rw-r--r--drivers/input/touchscreen/wm831x-ts.c2
45 files changed, 1242 insertions, 802 deletions
diff --git a/drivers/input/apm-power.c b/drivers/input/apm-power.c
index e90ee3d30613..650177a3c858 100644
--- a/drivers/input/apm-power.c
+++ b/drivers/input/apm-power.c
@@ -33,7 +33,7 @@ static void system_power_event(unsigned int keycode)
}
static void apmpower_event(struct input_handle *handle, unsigned int type,
- unsigned int code, int value)
+ unsigned int code, int value)
{
/* only react on key down events */
if (value != 1)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 118d0300f1fb..f0f8928b3c8a 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -23,11 +23,11 @@
#include <linux/input/mt.h>
#include <linux/major.h>
#include <linux/device.h>
+#include <linux/cdev.h>
#include "input-compat.h"
struct evdev {
int open;
- int minor;
struct input_handle handle;
wait_queue_head_t wait;
struct evdev_client __rcu *grab;
@@ -35,6 +35,7 @@ struct evdev {
spinlock_t client_lock; /* protects client_list */
struct mutex mutex;
struct device dev;
+ struct cdev cdev;
bool exist;
};
@@ -51,9 +52,6 @@ struct evdev_client {
struct input_event buffer[];
};
-static struct evdev *evdev_table[EVDEV_MINORS];
-static DEFINE_MUTEX(evdev_table_mutex);
-
static void __pass_event(struct evdev_client *client,
const struct input_event *event)
{
@@ -294,7 +292,6 @@ static int evdev_release(struct inode *inode, struct file *file)
kfree(client);
evdev_close_device(evdev);
- put_device(&evdev->dev);
return 0;
}
@@ -310,35 +307,16 @@ static unsigned int evdev_compute_buffer_size(struct input_dev *dev)
static int evdev_open(struct inode *inode, struct file *file)
{
- struct evdev *evdev;
+ struct evdev *evdev = container_of(inode->i_cdev, struct evdev, cdev);
+ unsigned int bufsize = evdev_compute_buffer_size(evdev->handle.dev);
struct evdev_client *client;
- int i = iminor(inode) - EVDEV_MINOR_BASE;
- unsigned int bufsize;
int error;
- if (i >= EVDEV_MINORS)
- return -ENODEV;
-
- error = mutex_lock_interruptible(&evdev_table_mutex);
- if (error)
- return error;
- evdev = evdev_table[i];
- if (evdev)
- get_device(&evdev->dev);
- mutex_unlock(&evdev_table_mutex);
-
- if (!evdev)
- return -ENODEV;
-
- bufsize = evdev_compute_buffer_size(evdev->handle.dev);
-
client = kzalloc(sizeof(struct evdev_client) +
bufsize * sizeof(struct input_event),
GFP_KERNEL);
- if (!client) {
- error = -ENOMEM;
- goto err_put_evdev;
- }
+ if (!client)
+ return -ENOMEM;
client->bufsize = bufsize;
spin_lock_init(&client->buffer_lock);
@@ -357,8 +335,6 @@ static int evdev_open(struct inode *inode, struct file *file)
err_free_client:
evdev_detach_client(evdev, client);
kfree(client);
- err_put_evdev:
- put_device(&evdev->dev);
return error;
}
@@ -942,26 +918,6 @@ static const struct file_operations evdev_fops = {
.llseek = no_llseek,
};
-static int evdev_install_chrdev(struct evdev *evdev)
-{
- /*
- * No need to do any locking here as calls to connect and
- * disconnect are serialized by the input core
- */
- evdev_table[evdev->minor] = evdev;
- return 0;
-}
-
-static void evdev_remove_chrdev(struct evdev *evdev)
-{
- /*
- * Lock evdev table to prevent race with evdev_open()
- */
- mutex_lock(&evdev_table_mutex);
- evdev_table[evdev->minor] = NULL;
- mutex_unlock(&evdev_table_mutex);
-}
-
/*
* Mark device non-existent. This disables writes, ioctls and
* prevents new users from opening the device. Already posted
@@ -980,7 +936,8 @@ static void evdev_cleanup(struct evdev *evdev)
evdev_mark_dead(evdev);
evdev_hangup(evdev);
- evdev_remove_chrdev(evdev);
+
+ cdev_del(&evdev->cdev);
/* evdev is marked dead so no one else accesses evdev->open */
if (evdev->open) {
@@ -991,43 +948,47 @@ static void evdev_cleanup(struct evdev *evdev)
/*
* Create new evdev device. Note that input core serializes calls
- * to connect and disconnect so we don't need to lock evdev_table here.
+ * to connect and disconnect.
*/
static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
const struct input_device_id *id)
{
struct evdev *evdev;
int minor;
+ int dev_no;
int error;
- for (minor = 0; minor < EVDEV_MINORS; minor++)
- if (!evdev_table[minor])
- break;
-
- if (minor == EVDEV_MINORS) {
- pr_err("no more free evdev devices\n");
- return -ENFILE;
+ minor = input_get_new_minor(EVDEV_MINOR_BASE, EVDEV_MINORS, true);
+ if (minor < 0) {
+ error = minor;
+ pr_err("failed to reserve new minor: %d\n", error);
+ return error;
}
evdev = kzalloc(sizeof(struct evdev), GFP_KERNEL);
- if (!evdev)
- return -ENOMEM;
+ if (!evdev) {
+ error = -ENOMEM;
+ goto err_free_minor;
+ }
INIT_LIST_HEAD(&evdev->client_list);
spin_lock_init(&evdev->client_lock);
mutex_init(&evdev->mutex);
init_waitqueue_head(&evdev->wait);
-
- dev_set_name(&evdev->dev, "event%d", minor);
evdev->exist = true;
- evdev->minor = minor;
+
+ dev_no = minor;
+ /* Normalize device number if it falls into legacy range */
+ if (dev_no < EVDEV_MINOR_BASE + EVDEV_MINORS)
+ dev_no -= EVDEV_MINOR_BASE;
+ dev_set_name(&evdev->dev, "event%d", dev_no);
evdev->handle.dev = input_get_device(dev);
evdev->handle.name = dev_name(&evdev->dev);
evdev->handle.handler = handler;
evdev->handle.private = evdev;
- evdev->dev.devt = MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor);
+ evdev->dev.devt = MKDEV(INPUT_MAJOR, minor);
evdev->dev.class = &input_class;
evdev->dev.parent = &dev->dev;
evdev->dev.release = evdev_free;
@@ -1037,7 +998,9 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
if (error)
goto err_free_evdev;
- error = evdev_install_chrdev(evdev);
+ cdev_init(&evdev->cdev, &evdev_fops);
+ evdev->cdev.kobj.parent = &evdev->dev.kobj;
+ error = cdev_add(&evdev->cdev, evdev->dev.devt, 1);
if (error)
goto err_unregister_handle;
@@ -1053,6 +1016,8 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
input_unregister_handle(&evdev->handle);
err_free_evdev:
put_device(&evdev->dev);
+ err_free_minor:
+ input_free_minor(minor);
return error;
}
@@ -1062,6 +1027,7 @@ static void evdev_disconnect(struct input_handle *handle)
device_del(&evdev->dev);
evdev_cleanup(evdev);
+ input_free_minor(MINOR(evdev->dev.devt));
input_unregister_handle(handle);
put_device(&evdev->dev);
}
@@ -1078,7 +1044,7 @@ static struct input_handler evdev_handler = {
.events = evdev_events,
.connect = evdev_connect,
.disconnect = evdev_disconnect,
- .fops = &evdev_fops,
+ .legacy_minors = true,
.minor = EVDEV_MINOR_BASE,
.name = "evdev",
.id_table = evdev_ids,
diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c
index 480eb9d9876a..f50f6dd92274 100644
--- a/drivers/input/ff-core.c
+++ b/drivers/input/ff-core.c
@@ -138,8 +138,8 @@ int input_ff_upload(struct input_dev *dev, struct ff_effect *effect,
if (effect->id == -1) {
for (id = 0; id < ff->max_effects; id++)
- if (!ff->effect_owners[id])
- break;
+ if (!ff->effect_owners[id])
+ break;
if (id >= ff->max_effects) {
ret = -ENOSPC;
diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c
index b107922514fb..74c0d8c6002a 100644
--- a/drivers/input/ff-memless.c
+++ b/drivers/input/ff-memless.c
@@ -72,12 +72,14 @@ static const struct ff_envelope *get_envelope(const struct ff_effect *effect)
static const struct ff_envelope empty_envelope;
switch (effect->type) {
- case FF_PERIODIC:
- return &effect->u.periodic.envelope;
- case FF_CONSTANT:
- return &effect->u.constant.envelope;
- default:
- return &empty_envelope;
+ case FF_PERIODIC:
+ return &effect->u.periodic.envelope;
+
+ case FF_CONSTANT:
+ return &effect->u.constant.envelope;
+
+ default:
+ return &empty_envelope;
}
}
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index c0ec7d42c3be..475b9d424eed 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -247,7 +247,7 @@ void input_mt_sync_frame(struct input_dev *dev)
if (mt->flags & INPUT_MT_DROP_UNUSED) {
for (s = mt->slots; s != mt->slots + mt->num_slots; s++) {
- if (s->frame == mt->frame)
+ if (input_mt_is_used(mt, s))
continue;
input_mt_slot(dev, s - mt->slots);
input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 5244f3d05b12..53a0ddee7872 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -14,6 +14,7 @@
#include <linux/init.h>
#include <linux/types.h>
+#include <linux/idr.h>
#include <linux/input/mt.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -32,7 +33,9 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
MODULE_DESCRIPTION("Input core");
MODULE_LICENSE("GPL");
-#define INPUT_DEVICES 256
+#define INPUT_MAX_CHAR_DEVICES 1024
+#define INPUT_FIRST_DYNAMIC_DEV 256
+static DEFINE_IDA(input_ida);
static LIST_HEAD(input_dev_list);
static LIST_HEAD(input_handler_list);
@@ -45,8 +48,6 @@ static LIST_HEAD(input_handler_list);
*/
static DEFINE_MUTEX(input_mutex);
-static struct input_handler *input_table[8];
-
static const struct input_value input_value_sync = { EV_SYN, SYN_REPORT, 1 };
static inline int is_event_supported(unsigned int code,
@@ -918,18 +919,10 @@ int input_set_keycode(struct input_dev *dev,
}
EXPORT_SYMBOL(input_set_keycode);
-#define MATCH_BIT(bit, max) \
- for (i = 0; i < BITS_TO_LONGS(max); i++) \
- if ((id->bit[i] & dev->bit[i]) != id->bit[i]) \
- break; \
- if (i != BITS_TO_LONGS(max)) \
- continue;
-
static const struct input_device_id *input_match_device(struct input_handler *handler,
struct input_dev *dev)
{
const struct input_device_id *id;
- int i;
for (id = handler->id_table; id->flags || id->driver_info; id++) {
@@ -949,15 +942,32 @@ static const struct input_device_id *input_match_device(struct input_handler *ha
if (id->version != dev->id.version)
continue;
- MATCH_BIT(evbit, EV_MAX);
- MATCH_BIT(keybit, KEY_MAX);
- MATCH_BIT(relbit, REL_MAX);
- MATCH_BIT(absbit, ABS_MAX);
- MATCH_BIT(mscbit, MSC_MAX);
- MATCH_BIT(ledbit, LED_MAX);
- MATCH_BIT(sndbit, SND_MAX);
- MATCH_BIT(ffbit, FF_MAX);
- MATCH_BIT(swbit, SW_MAX);
+ if (!bitmap_subset(id->evbit, dev->evbit, EV_MAX))
+ continue;
+
+ if (!bitmap_subset(id->keybit, dev->keybit, KEY_MAX))
+ continue;
+
+ if (!bitmap_subset(id->relbit, dev->relbit, REL_MAX))
+ continue;
+
+ if (!bitmap_subset(id->absbit, dev->absbit, ABS_MAX))
+ continue;
+
+ if (!bitmap_subset(id->mscbit, dev->mscbit, MSC_MAX))
+ continue;
+
+ if (!bitmap_subset(id->ledbit, dev->ledbit, LED_MAX))
+ continue;
+
+ if (!bitmap_subset(id->sndbit, dev->sndbit, SND_MAX))
+ continue;
+
+ if (!bitmap_subset(id->ffbit, dev->ffbit, FF_MAX))
+ continue;
+
+ if (!bitmap_subset(id->swbit, dev->swbit, SW_MAX))
+ continue;
if (!handler->match || handler->match(handler, dev))
return id;
@@ -1209,7 +1219,7 @@ static int input_handlers_seq_show(struct seq_file *seq, void *v)
seq_printf(seq, "N: Number=%u Name=%s", state->pos, handler->name);
if (handler->filter)
seq_puts(seq, " (filter)");
- if (handler->fops)
+ if (handler->legacy_minors)
seq_printf(seq, " Minor=%d", handler->minor);
seq_putc(seq, '\n');
@@ -2007,22 +2017,14 @@ EXPORT_SYMBOL(input_unregister_device);
int input_register_handler(struct input_handler *handler)
{
struct input_dev *dev;
- int retval;
+ int error;
- retval = mutex_lock_interruptible(&input_mutex);
- if (retval)
- return retval;
+ error = mutex_lock_interruptible(&input_mutex);
+ if (error)
+ return error;
INIT_LIST_HEAD(&handler->h_list);
- if (handler->fops != NULL) {
- if (input_table[handler->minor >> 5]) {
- retval = -EBUSY;
- goto out;
- }
- input_table[handler->minor >> 5] = handler;
- }
-
list_add_tail(&handler->node, &input_handler_list);
list_for_each_entry(dev, &input_dev_list, node)
@@ -2030,9 +2032,8 @@ int input_register_handler(struct input_handler *handler)
input_wakeup_procfs_readers();
- out:
mutex_unlock(&input_mutex);
- return retval;
+ return 0;
}
EXPORT_SYMBOL(input_register_handler);
@@ -2055,9 +2056,6 @@ void input_unregister_handler(struct input_handler *handler)
list_del_init(&handler->node);
- if (handler->fops != NULL)
- input_table[handler->minor >> 5] = NULL;
-
input_wakeup_procfs_readers();
mutex_unlock(&input_mutex);
@@ -2174,51 +2172,52 @@ void input_unregister_handle(struct input_handle *handle)
}
EXPORT_SYMBOL(input_unregister_handle);
-static int input_open_file(struct inode *inode, struct file *file)
+/**
+ * input_get_new_minor - allocates a new input minor number
+ * @legacy_base: beginning or the legacy range to be searched
+ * @legacy_num: size of legacy range
+ * @allow_dynamic: whether we can also take ID from the dynamic range
+ *
+ * This function allocates a new device minor for from input major namespace.
+ * Caller can request legacy minor by specifying @legacy_base and @legacy_num
+ * parameters and whether ID can be allocated from dynamic range if there are
+ * no free IDs in legacy range.
+ */
+int input_get_new_minor(int legacy_base, unsigned int legacy_num,
+ bool allow_dynamic)
{
- struct input_handler *handler;
- const struct file_operations *old_fops, *new_fops = NULL;
- int err;
-
- err = mutex_lock_interruptible(&input_mutex);
- if (err)
- return err;
-
- /* No load-on-demand here? */
- handler = input_table[iminor(inode) >> 5];
- if (handler)
- new_fops = fops_get(handler->fops);
-
- mutex_unlock(&input_mutex);
-
/*
- * That's _really_ odd. Usually NULL ->open means "nothing special",
- * not "no device". Oh, well...
+ * This function should be called from input handler's ->connect()
+ * methods, which are serialized with input_mutex, so no additional
+ * locking is needed here.
*/
- if (!new_fops || !new_fops->open) {
- fops_put(new_fops);
- err = -ENODEV;
- goto out;
+ if (legacy_base >= 0) {
+ int minor = ida_simple_get(&input_ida,
+ legacy_base,
+ legacy_base + legacy_num,
+ GFP_KERNEL);
+ if (minor >= 0 || !allow_dynamic)
+ return minor;
}
- old_fops = file->f_op;
- file->f_op = new_fops;
-
- err = new_fops->open(inode, file);
- if (err) {
- fops_put(file->f_op);
- file->f_op = fops_get(old_fops);
- }
- fops_put(old_fops);
-out:
- return err;
+ return ida_simple_get(&input_ida,
+ INPUT_FIRST_DYNAMIC_DEV, INPUT_MAX_CHAR_DEVICES,
+ GFP_KERNEL);
}
+EXPORT_SYMBOL(input_get_new_minor);
-static const struct file_operations input_fops = {
- .owner = THIS_MODULE,
- .open = input_open_file,
- .llseek = noop_llseek,
-};
+/**
+ * input_free_minor - release previously allocated minor
+ * @minor: minor to be released
+ *
+ * This function releases previously allocated input minor so that it can be
+ * reused later.
+ */
+void input_free_minor(unsigned int minor)
+{
+ ida_simple_remove(&input_ida, minor);
+}
+EXPORT_SYMBOL(input_free_minor);
static int __init input_init(void)
{
@@ -2234,7 +2233,8 @@ static int __init input_init(void)
if (err)
goto fail1;
- err = register_chrdev(INPUT_MAJOR, "input", &input_fops);
+ err = register_chrdev_region(MKDEV(INPUT_MAJOR, 0),
+ INPUT_MAX_CHAR_DEVICES, "input");
if (err) {
pr_err("unable to register char major %d", INPUT_MAJOR);
goto fail2;
@@ -2250,7 +2250,8 @@ static int __init input_init(void)
static void __exit input_exit(void)
{
input_proc_exit();
- unregister_chrdev(INPUT_MAJOR, "input");
+ unregister_chrdev_region(MKDEV(INPUT_MAJOR, 0),
+ INPUT_MAX_CHAR_DEVICES);
class_unregister(&input_class);
}
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 26043cc6a016..f362883c94e3 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -27,6 +27,7 @@
#include <linux/poll.h>
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/cdev.h>
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Joystick device interfaces");
@@ -39,13 +40,13 @@ MODULE_LICENSE("GPL");
struct joydev {
int open;
- int minor;
struct input_handle handle;
wait_queue_head_t wait;
struct list_head client_list;
spinlock_t client_lock; /* protects client_list */
struct mutex mutex;
struct device dev;
+ struct cdev cdev;
bool exist;
struct js_corr corr[ABS_CNT];
@@ -70,9 +71,6 @@ struct joydev_client {
struct list_head node;
};
-static struct joydev *joydev_table[JOYDEV_MINORS];
-static DEFINE_MUTEX(joydev_table_mutex);
-
static int joydev_correct(int value, struct js_corr *corr)
{
switch (corr->type) {
@@ -245,37 +243,20 @@ static int joydev_release(struct inode *inode, struct file *file)
kfree(client);
joydev_close_device(joydev);
- put_device(&joydev->dev);
return 0;
}
static int joydev_open(struct inode *inode, struct file *file)
{
+ struct joydev *joydev =
+ container_of(inode->i_cdev, struct joydev, cdev);
struct joydev_client *client;
- struct joydev *joydev;
- int i = iminor(inode) - JOYDEV_MINOR_BASE;
int error;
- if (i >= JOYDEV_MINORS)
- return -ENODEV;
-
- error = mutex_lock_interruptible(&joydev_table_mutex);
- if (error)
- return error;
- joydev = joydev_table[i];
- if (joydev)
- get_device(&joydev->dev);
- mutex_unlock(&joydev_table_mutex);
-
- if (!joydev)
- return -ENODEV;
-
client = kzalloc(sizeof(struct joydev_client), GFP_KERNEL);
- if (!client) {
- error = -ENOMEM;
- goto err_put_joydev;
- }
+ if (!client)
+ return -ENOMEM;
spin_lock_init(&client->buffer_lock);
client->joydev = joydev;
@@ -293,8 +274,6 @@ static int joydev_open(struct inode *inode, struct file *file)
err_free_client:
joydev_detach_client(joydev, client);
kfree(client);
- err_put_joydev:
- put_device(&joydev->dev);
return error;
}
@@ -711,7 +690,7 @@ static long joydev_ioctl(struct file *file,
case JS_SET_ALL:
retval = copy_from_user(&joydev->glue, argp,
- sizeof(joydev->glue)) ? -EFAULT: 0;
+ sizeof(joydev->glue)) ? -EFAULT : 0;
break;
case JS_GET_ALL:
@@ -742,19 +721,6 @@ static const struct file_operations joydev_fops = {
.llseek = no_llseek,
};
-static int joydev_install_chrdev(struct joydev *joydev)
-{
- joydev_table[joydev->minor] = joydev;
- return 0;
-}
-
-static void joydev_remove_chrdev(struct joydev *joydev)
-{
- mutex_lock(&joydev_table_mutex);
- joydev_table[joydev->minor] = NULL;
- mutex_unlock(&joydev_table_mutex);
-}
-
/*
* Mark device non-existent. This disables writes, ioctls and
* prevents new users from opening the device. Already posted
@@ -773,7 +739,8 @@ static void joydev_cleanup(struct joydev *joydev)
joydev_mark_dead(joydev);
joydev_hangup(joydev);
- joydev_remove_chrdev(joydev);
+
+ cdev_del(&joydev->cdev);
/* joydev is marked dead so no one else accesses joydev->open */
if (joydev->open)
@@ -798,30 +765,33 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
const struct input_device_id *id)
{
struct joydev *joydev;
- int i, j, t, minor;
+ int i, j, t, minor, dev_no;
int error;
- for (minor = 0; minor < JOYDEV_MINORS; minor++)
- if (!joydev_table[minor])
- break;
-
- if (minor == JOYDEV_MINORS) {
- pr_err("no more free joydev devices\n");
- return -ENFILE;
+ minor = input_get_new_minor(JOYDEV_MINOR_BASE, JOYDEV_MINORS, true);
+ if (minor < 0) {
+ error = minor;
+ pr_err("failed to reserve new minor: %d\n", error);
+ return error;
}
joydev = kzalloc(sizeof(struct joydev), GFP_KERNEL);
- if (!joydev)
- return -ENOMEM;
+ if (!joydev) {
+ error = -ENOMEM;
+ goto err_free_minor;
+ }
INIT_LIST_HEAD(&joydev->client_list);
spin_lock_init(&joydev->client_lock);
mutex_init(&joydev->mutex);
init_waitqueue_head(&joydev->wait);
-
- dev_set_name(&joydev->dev, "js%d", minor);
joydev->exist = true;
- joydev->minor = minor;
+
+ dev_no = minor;
+ /* Normalize device number if it falls into legacy range */
+ if (dev_no < JOYDEV_MINOR_BASE + JOYDEV_MINORS)
+ dev_no -= JOYDEV_MINOR_BASE;
+ dev_set_name(&joydev->dev, "js%d", dev_no);
joydev->handle.dev = input_get_device(dev);
joydev->handle.name = dev_name(&joydev->dev);
@@ -875,7 +845,7 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
}
}
- joydev->dev.devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor);
+ joydev->dev.devt = MKDEV(INPUT_MAJOR, minor);
joydev->dev.class = &input_class;
joydev->dev.parent = &dev->dev;
joydev->dev.release = joydev_free;
@@ -885,7 +855,9 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
if (error)
goto err_free_joydev;
- error = joydev_install_chrdev(joydev);
+ cdev_init(&joydev->cdev, &joydev_fops);
+ joydev->cdev.kobj.parent = &joydev->dev.kobj;
+ error = cdev_add(&joydev->cdev, joydev->dev.devt, 1);
if (error)
goto err_unregister_handle;
@@ -901,6 +873,8 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
input_unregister_handle(&joydev->handle);
err_free_joydev:
put_device(&joydev->dev);
+ err_free_minor:
+ input_free_minor(minor);
return error;
}
@@ -910,6 +884,7 @@ static void joydev_disconnect(struct input_handle *handle)
device_del(&joydev->dev);
joydev_cleanup(joydev);
+ input_free_minor(MINOR(joydev->dev.devt));
input_unregister_handle(handle);
put_device(&joydev->dev);
}
@@ -961,7 +936,7 @@ static struct input_handler joydev_handler = {
.match = joydev_match,
.connect = joydev_connect,
.disconnect = joydev_disconnect,
- .fops = &joydev_fops,
+ .legacy_minors = true,
.minor = JOYDEV_MINOR_BASE,
.name = "joydev",
.id_table = joydev_ids,
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index c50fa75416f8..de0874054e9f 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -335,6 +335,7 @@ config KEYBOARD_LOCOMO
config KEYBOARD_LPC32XX
tristate "LPC32XX matrix key scanner support"
depends on ARCH_LPC32XX && OF
+ select INPUT_MATRIXKMAP
help
Say Y here if you want to use NXP LPC32XX SoC key scanner interface,
connected to a key matrix.
@@ -533,7 +534,7 @@ config KEYBOARD_DAVINCI
config KEYBOARD_OMAP
tristate "TI OMAP keypad support"
- depends on (ARCH_OMAP1 || ARCH_OMAP2)
+ depends on ARCH_OMAP1
select INPUT_MATRIXKMAP
help
Say Y here if you want to use the OMAP keypad.
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c
index 9d82b3aeff5e..d5bacbb479b0 100644
--- a/drivers/input/keyboard/davinci_keyscan.c
+++ b/drivers/input/keyboard/davinci_keyscan.c
@@ -36,7 +36,7 @@
#include <mach/hardware.h>
#include <mach/irqs.h>
-#include <mach/keyscan.h>
+#include <linux/platform_data/keyscan-davinci.h>
/* Key scan registers */
#define DAVINCI_KEYSCAN_KEYCTRL 0x0000
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index c46fc8185469..7363402de8d4 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -29,7 +29,7 @@
#include <linux/slab.h>
#include <mach/hardware.h>
-#include <mach/ep93xx_keypad.h>
+#include <linux/platform_data/keypad-ep93xx.h>
/*
* Keypad Interface Register offsets
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index cbb1add43d5e..6a68041c261d 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -43,11 +43,9 @@ struct gpio_button_data {
};
struct gpio_keys_drvdata {
+ const struct gpio_keys_platform_data *pdata;
struct input_dev *input;
struct mutex disable_lock;
- unsigned int n_buttons;
- int (*enable)(struct device *dev);
- void (*disable)(struct device *dev);
struct gpio_button_data data[0];
};
@@ -171,7 +169,7 @@ static ssize_t gpio_keys_attr_show_helper(struct gpio_keys_drvdata *ddata,
if (!bits)
return -ENOMEM;
- for (i = 0; i < ddata->n_buttons; i++) {
+ for (i = 0; i < ddata->pdata->nbuttons; i++) {
struct gpio_button_data *bdata = &ddata->data[i];
if (bdata->button->type != type)
@@ -219,7 +217,7 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata,
goto out;
/* First validate */
- for (i = 0; i < ddata->n_buttons; i++) {
+ for (i = 0; i < ddata->pdata->nbuttons; i++) {
struct gpio_button_data *bdata = &ddata->data[i];
if (bdata->button->type != type)
@@ -234,7 +232,7 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata,
mutex_lock(&ddata->disable_lock);
- for (i = 0; i < ddata->n_buttons; i++) {
+ for (i = 0; i < ddata->pdata->nbuttons; i++) {
struct gpio_button_data *bdata = &ddata->data[i];
if (bdata->button->type != type)
@@ -346,6 +344,9 @@ static void gpio_keys_gpio_work_func(struct work_struct *work)
container_of(work, struct gpio_button_data, work);
gpio_keys_gpio_report_event(bdata);
+
+ if (bdata->button->wakeup)
+ pm_relax(bdata->input->dev.parent);
}
static void gpio_keys_gpio_timer(unsigned long _data)
@@ -361,6 +362,8 @@ static irqreturn_t gpio_keys_gpio_isr(int irq, void *dev_id)
BUG_ON(irq != bdata->irq);
+ if (bdata->button->wakeup)
+ pm_stay_awake(bdata->input->dev.parent);
if (bdata->timer_debounce)
mod_timer(&bdata->timer,
jiffies + msecs_to_jiffies(bdata->timer_debounce));
@@ -397,6 +400,9 @@ static irqreturn_t gpio_keys_irq_isr(int irq, void *dev_id)
spin_lock_irqsave(&bdata->lock, flags);
if (!bdata->key_pressed) {
+ if (bdata->button->wakeup)
+ pm_wakeup_event(bdata->input->dev.parent, 0);
+
input_event(input, EV_KEY, button->code, 1);
input_sync(input);
@@ -523,56 +529,64 @@ fail:
static int gpio_keys_open(struct input_dev *input)
{
struct gpio_keys_drvdata *ddata = input_get_drvdata(input);
+ const struct gpio_keys_platform_data *pdata = ddata->pdata;
- return ddata->enable ? ddata->enable(input->dev.parent) : 0;
+ return pdata->enable ? pdata->enable(input->dev.parent) : 0;
}
static void gpio_keys_close(struct input_dev *input)
{
struct gpio_keys_drvdata *ddata = input_get_drvdata(input);
+ const struct gpio_keys_platform_data *pdata = ddata->pdata;
- if (ddata->disable)
- ddata->disable(input->dev.parent);
+ if (pdata->disable)
+ pdata->disable(input->dev.parent);
}
/*
* Handlers for alternative sources of platform_data
*/
+
#ifdef CONFIG_OF
/*
* Translate OpenFirmware node properties into platform_data
*/
-static int gpio_keys_get_devtree_pdata(struct device *dev,
- struct gpio_keys_platform_data *pdata)
+static struct gpio_keys_platform_data * __devinit
+gpio_keys_get_devtree_pdata(struct device *dev)
{
struct device_node *node, *pp;
+ struct gpio_keys_platform_data *pdata;
+ struct gpio_keys_button *button;
+ int error;
+ int nbuttons;
int i;
- struct gpio_keys_button *buttons;
- u32 reg;
node = dev->of_node;
- if (node == NULL)
- return -ENODEV;
-
- memset(pdata, 0, sizeof *pdata);
+ if (!node) {
+ error = -ENODEV;
+ goto err_out;
+ }
- pdata->rep = !!of_get_property(node, "autorepeat", NULL);
+ nbuttons = of_get_child_count(node);
+ if (nbuttons == 0) {
+ error = -ENODEV;
+ goto err_out;
+ }
- /* First count the subnodes */
- pp = NULL;
- while ((pp = of_get_next_child(node, pp)))
- pdata->nbuttons++;
+ pdata = kzalloc(sizeof(*pdata) + nbuttons * (sizeof *button),
+ GFP_KERNEL);
+ if (!pdata) {
+ error = -ENOMEM;
+ goto err_out;
+ }
- if (pdata->nbuttons == 0)
- return -ENODEV;
+ pdata->buttons = (struct gpio_keys_button *)(pdata + 1);
+ pdata->nbuttons = nbuttons;
- buttons = kzalloc(pdata->nbuttons * (sizeof *buttons), GFP_KERNEL);
- if (!buttons)
- return -ENOMEM;
+ pdata->rep = !!of_get_property(node, "autorepeat", NULL);
- pp = NULL;
i = 0;
- while ((pp = of_get_next_child(node, pp))) {
+ for_each_child_of_node(node, pp) {
enum of_gpio_flags flags;
if (!of_find_property(pp, "gpios", NULL)) {
@@ -580,39 +594,42 @@ static int gpio_keys_get_devtree_pdata(struct device *dev,
dev_warn(dev, "Found button without gpios\n");
continue;
}
- buttons[i].gpio = of_get_gpio_flags(pp, 0, &flags);
- buttons[i].active_low = flags & OF_GPIO_ACTIVE_LOW;
- if (of_property_read_u32(pp, "linux,code", &reg)) {
- dev_err(dev, "Button without keycode: 0x%x\n", buttons[i].gpio);
- goto out_fail;
- }
- buttons[i].code = reg;
+ button = &pdata->buttons[i++];
- buttons[i].desc = of_get_property(pp, "label", NULL);
+ button->gpio = of_get_gpio_flags(pp, 0, &flags);
+ button->active_low = flags & OF_GPIO_ACTIVE_LOW;
- if (of_property_read_u32(pp, "linux,input-type", &reg) == 0)
- buttons[i].type = reg;
- else
- buttons[i].type = EV_KEY;
+ if (of_property_read_u32(pp, "linux,code", &button->code)) {
+ dev_err(dev, "Button without keycode: 0x%x\n",
+ button->gpio);
+ error = -EINVAL;
+ goto err_free_pdata;
+ }
- buttons[i].wakeup = !!of_get_property(pp, "gpio-key,wakeup", NULL);
+ button->desc = of_get_property(pp, "label", NULL);
- if (of_property_read_u32(pp, "debounce-interval", &reg) == 0)
- buttons[i].debounce_interval = reg;
- else
- buttons[i].debounce_interval = 5;
+ if (of_property_read_u32(pp, "linux,input-type", &button->type))
+ button->type = EV_KEY;
- i++;
+ button->wakeup = !!of_get_property(pp, "gpio-key,wakeup", NULL);
+
+ if (of_property_read_u32(pp, "debounce-interval",
+ &button->debounce_interval))
+ button->debounce_interval = 5;
}
- pdata->buttons = buttons;
+ if (pdata->nbuttons == 0) {
+ error = -EINVAL;
+ goto err_free_pdata;
+ }
- return 0;
+ return pdata;
-out_fail:
- kfree(buttons);
- return -ENODEV;
+err_free_pdata:
+ kfree(pdata);
+err_out:
+ return ERR_PTR(error);
}
static struct of_device_id gpio_keys_of_match[] = {
@@ -623,14 +640,12 @@ MODULE_DEVICE_TABLE(of, gpio_keys_of_match);
#else
-static int gpio_keys_get_devtree_pdata(struct device *dev,
- struct gpio_keys_platform_data *altp)
+static inline struct gpio_keys_platform_data *
+gpio_keys_get_devtree_pdata(struct device *dev)
{
- return -ENODEV;
+ return ERR_PTR(-ENODEV);
}
-#define gpio_keys_of_match NULL
-
#endif
static void gpio_remove_key(struct gpio_button_data *bdata)
@@ -645,19 +660,17 @@ static void gpio_remove_key(struct gpio_button_data *bdata)
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
- const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
- struct gpio_keys_drvdata *ddata;
struct device *dev = &pdev->dev;
- struct gpio_keys_platform_data alt_pdata;
+ const struct gpio_keys_platform_data *pdata = dev_get_platdata(dev);
+ struct gpio_keys_drvdata *ddata;
struct input_dev *input;
int i, error;
int wakeup = 0;
if (!pdata) {
- error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
- if (error)
- return error;
- pdata = &alt_pdata;
+ pdata = gpio_keys_get_devtree_pdata(dev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
}
ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
@@ -670,10 +683,8 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
goto fail1;
}
+ ddata->pdata = pdata;
ddata->input = input;
- ddata->n_buttons = pdata->nbuttons;
- ddata->enable = pdata->enable;
- ddata->disable = pdata->disable;
mutex_init(&ddata->disable_lock);
platform_set_drvdata(pdev, ddata);
@@ -742,9 +753,9 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
fail1:
input_free_device(input);
kfree(ddata);
- /* If we have no platform_data, we allocated buttons dynamically. */
- if (!pdev->dev.platform_data)
- kfree(pdata->buttons);
+ /* If we have no platform data, we allocated pdata dynamically. */
+ if (!dev_get_platdata(&pdev->dev))
+ kfree(pdata);
return error;
}
@@ -759,18 +770,14 @@ static int __devexit gpio_keys_remove(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 0);
- for (i = 0; i < ddata->n_buttons; i++)
+ for (i = 0; i < ddata->pdata->nbuttons; i++)
gpio_remove_key(&ddata->data[i]);
input_unregister_device(input);
- /*
- * If we had no platform_data, we allocated buttons dynamically, and
- * must free them here. ddata->data[0].button is the pointer to the
- * beginning of the allocated array.
- */
- if (!pdev->dev.platform_data)
- kfree(ddata->data[0].button);
+ /* If we have no platform data, we allocated pdata dynamically. */
+ if (!dev_get_platdata(&pdev->dev))
+ kfree(ddata->pdata);
kfree(ddata);
@@ -784,7 +791,7 @@ static int gpio_keys_suspend(struct device *dev)
int i;
if (device_may_wakeup(dev)) {
- for (i = 0; i < ddata->n_buttons; i++) {
+ for (i = 0; i < ddata->pdata->nbuttons; i++) {
struct gpio_button_data *bdata = &ddata->data[i];
if (bdata->button->wakeup)
enable_irq_wake(bdata->irq);
@@ -799,7 +806,7 @@ static int gpio_keys_resume(struct device *dev)
struct gpio_keys_drvdata *ddata = dev_get_drvdata(dev);
int i;
- for (i = 0; i < ddata->n_buttons; i++) {
+ for (i = 0; i < ddata->pdata->nbuttons; i++) {
struct gpio_button_data *bdata = &ddata->data[i];
if (bdata->button->wakeup && device_may_wakeup(dev))
disable_irq_wake(bdata->irq);
@@ -822,7 +829,7 @@ static struct platform_driver gpio_keys_device_driver = {
.name = "gpio-keys",
.owner = THIS_MODULE,
.pm = &gpio_keys_pm_ops,
- .of_match_table = gpio_keys_of_match,
+ .of_match_table = of_match_ptr(gpio_keys_of_match),
}
};
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
index 20c8ab172214..f2142de789e7 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -25,6 +25,8 @@
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
+#include <linux/of_platform.h>
+#include <linux/of_gpio.h>
#define DRV_NAME "gpio-keys-polled"
@@ -38,7 +40,7 @@ struct gpio_keys_button_data {
struct gpio_keys_polled_dev {
struct input_polled_dev *poll_dev;
struct device *dev;
- struct gpio_keys_platform_data *pdata;
+ const struct gpio_keys_platform_data *pdata;
struct gpio_keys_button_data data[0];
};
@@ -67,11 +69,11 @@ static void gpio_keys_polled_check_state(struct input_dev *input,
static void gpio_keys_polled_poll(struct input_polled_dev *dev)
{
struct gpio_keys_polled_dev *bdev = dev->private;
- struct gpio_keys_platform_data *pdata = bdev->pdata;
+ const struct gpio_keys_platform_data *pdata = bdev->pdata;
struct input_dev *input = dev->input;
int i;
- for (i = 0; i < bdev->pdata->nbuttons; i++) {
+ for (i = 0; i < pdata->nbuttons; i++) {
struct gpio_keys_button_data *bdata = &bdev->data[i];
if (bdata->count < bdata->threshold)
@@ -85,7 +87,7 @@ static void gpio_keys_polled_poll(struct input_polled_dev *dev)
static void gpio_keys_polled_open(struct input_polled_dev *dev)
{
struct gpio_keys_polled_dev *bdev = dev->private;
- struct gpio_keys_platform_data *pdata = bdev->pdata;
+ const struct gpio_keys_platform_data *pdata = bdev->pdata;
if (pdata->enable)
pdata->enable(bdev->dev);
@@ -94,31 +96,139 @@ static void gpio_keys_polled_open(struct input_polled_dev *dev)
static void gpio_keys_polled_close(struct input_polled_dev *dev)
{
struct gpio_keys_polled_dev *bdev = dev->private;
- struct gpio_keys_platform_data *pdata = bdev->pdata;
+ const struct gpio_keys_platform_data *pdata = bdev->pdata;
if (pdata->disable)
pdata->disable(bdev->dev);
}
+#ifdef CONFIG_OF
+static struct gpio_keys_platform_data * __devinit
+gpio_keys_polled_get_devtree_pdata(struct device *dev)
+{
+ struct device_node *node, *pp;
+ struct gpio_keys_platform_data *pdata;
+ struct gpio_keys_button *button;
+ int error;
+ int nbuttons;
+ int i;
+
+ node = dev->of_node;
+ if (!node)
+ return NULL;
+
+ nbuttons = of_get_child_count(node);
+ if (nbuttons == 0)
+ return NULL;
+
+ pdata = kzalloc(sizeof(*pdata) + nbuttons * (sizeof *button),
+ GFP_KERNEL);
+ if (!pdata) {
+ error = -ENOMEM;
+ goto err_out;
+ }
+
+ pdata->buttons = (struct gpio_keys_button *)(pdata + 1);
+ pdata->nbuttons = nbuttons;
+
+ pdata->rep = !!of_get_property(node, "autorepeat", NULL);
+ of_property_read_u32(node, "poll-interval", &pdata->poll_interval);
+
+ i = 0;
+ for_each_child_of_node(node, pp) {
+ enum of_gpio_flags flags;
+
+ if (!of_find_property(pp, "gpios", NULL)) {
+ pdata->nbuttons--;
+ dev_warn(dev, "Found button without gpios\n");
+ continue;
+ }
+
+ button = &pdata->buttons[i++];
+
+ button->gpio = of_get_gpio_flags(pp, 0, &flags);
+ button->active_low = flags & OF_GPIO_ACTIVE_LOW;
+
+ if (of_property_read_u32(pp, "linux,code", &button->code)) {
+ dev_err(dev, "Button without keycode: 0x%x\n",
+ button->gpio);
+ error = -EINVAL;
+ goto err_free_pdata;
+ }
+
+ button->desc = of_get_property(pp, "label", NULL);
+
+ if (of_property_read_u32(pp, "linux,input-type", &button->type))
+ button->type = EV_KEY;
+
+ button->wakeup = !!of_get_property(pp, "gpio-key,wakeup", NULL);
+
+ if (of_property_read_u32(pp, "debounce-interval",
+ &button->debounce_interval))
+ button->debounce_interval = 5;
+ }
+
+ if (pdata->nbuttons == 0) {
+ error = -EINVAL;
+ goto err_free_pdata;
+ }
+
+ return pdata;
+
+err_free_pdata:
+ kfree(pdata);
+err_out:
+ return ERR_PTR(error);
+}
+
+static struct of_device_id gpio_keys_polled_of_match[] = {
+ { .compatible = "gpio-keys-polled", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, gpio_keys_polled_of_match);
+
+#else
+
+static inline struct gpio_keys_platform_data *
+gpio_keys_polled_get_devtree_pdata(struct device *dev)
+{
+ return NULL;
+}
+#endif
+
static int __devinit gpio_keys_polled_probe(struct platform_device *pdev)
{
- struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
struct device *dev = &pdev->dev;
+ const struct gpio_keys_platform_data *pdata = dev_get_platdata(dev);
struct gpio_keys_polled_dev *bdev;
struct input_polled_dev *poll_dev;
struct input_dev *input;
int error;
int i;
- if (!pdata || !pdata->poll_interval)
- return -EINVAL;
+ if (!pdata) {
+ pdata = gpio_keys_polled_get_devtree_pdata(dev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+ if (!pdata) {
+ dev_err(dev, "missing platform data\n");
+ return -EINVAL;
+ }
+ }
+
+ if (!pdata->poll_interval) {
+ dev_err(dev, "missing poll_interval value\n");
+ error = -EINVAL;
+ goto err_free_pdata;
+ }
bdev = kzalloc(sizeof(struct gpio_keys_polled_dev) +
pdata->nbuttons * sizeof(struct gpio_keys_button_data),
GFP_KERNEL);
if (!bdev) {
dev_err(dev, "no memory for private data\n");
- return -ENOMEM;
+ error = -ENOMEM;
+ goto err_free_pdata;
}
poll_dev = input_allocate_polled_device();
@@ -197,7 +307,7 @@ static int __devinit gpio_keys_polled_probe(struct platform_device *pdev)
/* report initial state of the buttons */
for (i = 0; i < pdata->nbuttons; i++)
gpio_keys_polled_check_state(input, &pdata->buttons[i],
- &bdev->data[i]);
+ &bdev->data[i]);
return 0;
@@ -209,15 +319,20 @@ err_free_gpio:
err_free_bdev:
kfree(bdev);
-
platform_set_drvdata(pdev, NULL);
+
+err_free_pdata:
+ /* If we have no platform_data, we allocated pdata dynamically. */
+ if (!dev_get_platdata(&pdev->dev))
+ kfree(pdata);
+
return error;
}
static int __devexit gpio_keys_polled_remove(struct platform_device *pdev)
{
struct gpio_keys_polled_dev *bdev = platform_get_drvdata(pdev);
- struct gpio_keys_platform_data *pdata = bdev->pdata;
+ const struct gpio_keys_platform_data *pdata = bdev->pdata;
int i;
input_unregister_polled_device(bdev->poll_dev);
@@ -227,6 +342,13 @@ static int __devexit gpio_keys_polled_remove(struct platform_device *pdev)
input_free_polled_device(bdev->poll_dev);
+ /*
+ * If we had no platform_data, we allocated pdata dynamically and
+ * must free it here.
+ */
+ if (!dev_get_platdata(&pdev->dev))
+ kfree(pdata);
+
kfree(bdev);
platform_set_drvdata(pdev, NULL);
@@ -239,6 +361,7 @@ static struct platform_driver gpio_keys_polled_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(gpio_keys_polled_of_match),
},
};
module_platform_driver(gpio_keys_polled_driver);
diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c
index a880e7414202..49f5fa64e0b1 100644
--- a/drivers/input/keyboard/nomadik-ske-keypad.c
+++ b/drivers/input/keyboard/nomadik-ske-keypad.c
@@ -20,7 +20,7 @@
#include <linux/clk.h>
#include <linux/module.h>
-#include <plat/ske.h>
+#include <linux/platform_data/keypad-nomadik-ske.h>
/* SKE_CR bits */
#define SKE_KPMLT (0x1 << 6)
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index a0222db4dc86..4a5fcc8026f5 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -35,13 +35,9 @@
#include <linux/mutex.h>
#include <linux/errno.h>
#include <linux/slab.h>
-#include <asm/gpio.h>
-#include <plat/keypad.h>
-#include <plat/menelaus.h>
-#include <asm/irq.h>
-#include <mach/hardware.h>
-#include <asm/io.h>
-#include <plat/mux.h>
+#include <linux/gpio.h>
+#include <linux/platform_data/gpio-omap.h>
+#include <linux/platform_data/keypad-omap.h>
#undef NEW_BOARD_LEARNING_MODE
@@ -96,28 +92,8 @@ static u8 get_row_gpio_val(struct omap_kp *omap_kp)
static irqreturn_t omap_kp_interrupt(int irq, void *dev_id)
{
- struct omap_kp *omap_kp = dev_id;
-
/* disable keyboard interrupt and schedule for handling */
- if (cpu_is_omap24xx()) {
- int i;
-
- for (i = 0; i < omap_kp->rows; i++) {
- int gpio_irq = gpio_to_irq(row_gpios[i]);
- /*
- * The interrupt which we're currently handling should
- * be disabled _nosync() to avoid deadlocks waiting
- * for this handler to complete. All others should
- * be disabled the regular way for SMP safety.
- */
- if (gpio_irq == irq)
- disable_irq_nosync(gpio_irq);
- else
- disable_irq(gpio_irq);
- }
- } else
- /* disable keyboard interrupt and schedule for handling */
- omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
tasklet_schedule(&kp_tasklet);
@@ -133,33 +109,22 @@ static void omap_kp_scan_keypad(struct omap_kp *omap_kp, unsigned char *state)
{
int col = 0;
- /* read the keypad status */
- if (cpu_is_omap24xx()) {
- /* read the keypad status */
- for (col = 0; col < omap_kp->cols; col++) {
- set_col_gpio_val(omap_kp, ~(1 << col));
- state[col] = ~(get_row_gpio_val(omap_kp)) & 0xff;
- }
- set_col_gpio_val(omap_kp, 0);
-
- } else {
- /* disable keyboard interrupt and schedule for handling */
- omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ /* disable keyboard interrupt and schedule for handling */
+ omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
- /* read the keypad status */
- omap_writew(0xff, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBC);
- for (col = 0; col < omap_kp->cols; col++) {
- omap_writew(~(1 << col) & 0xff,
- OMAP1_MPUIO_BASE + OMAP_MPUIO_KBC);
+ /* read the keypad status */
+ omap_writew(0xff, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBC);
+ for (col = 0; col < omap_kp->cols; col++) {
+ omap_writew(~(1 << col) & 0xff,
+ OMAP1_MPUIO_BASE + OMAP_MPUIO_KBC);
- udelay(omap_kp->delay);
+ udelay(omap_kp->delay);
- state[col] = ~omap_readw(OMAP1_MPUIO_BASE +
- OMAP_MPUIO_KBR_LATCH) & 0xff;
- }
- omap_writew(0x00, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBC);
- udelay(2);
+ state[col] = ~omap_readw(OMAP1_MPUIO_BASE +
+ OMAP_MPUIO_KBR_LATCH) & 0xff;
}
+ omap_writew(0x00, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBC);
+ udelay(2);
}
static void omap_kp_tasklet(unsigned long data)
@@ -214,7 +179,7 @@ static void omap_kp_tasklet(unsigned long data)
memcpy(keypad_state, new_state, sizeof(keypad_state));
if (key_down) {
- int delay = HZ / 20;
+ int delay = HZ / 20;
/* some key is pressed - keep irq disabled and use timer
* to poll the keypad */
if (spurious)
@@ -222,14 +187,8 @@ static void omap_kp_tasklet(unsigned long data)
mod_timer(&omap_kp_data->timer, jiffies + delay);
} else {
/* enable interrupts */
- if (cpu_is_omap24xx()) {
- int i;
- for (i = 0; i < omap_kp_data->rows; i++)
- enable_irq(gpio_to_irq(row_gpios[i]));
- } else {
- omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
- kp_cur_group = -1;
- }
+ omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ kp_cur_group = -1;
}
}
@@ -242,6 +201,7 @@ static ssize_t omap_kp_enable_show(struct device *dev,
static ssize_t omap_kp_enable_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct omap_kp *omap_kp = dev_get_drvdata(dev);
int state;
if (sscanf(buf, "%u", &state) != 1)
@@ -253,9 +213,9 @@ static ssize_t omap_kp_enable_store(struct device *dev, struct device_attribute
mutex_lock(&kp_enable_mutex);
if (state != kp_enable) {
if (state)
- enable_irq(INT_KEYBOARD);
+ enable_irq(omap_kp->irq);
else
- disable_irq(INT_KEYBOARD);
+ disable_irq(omap_kp->irq);
kp_enable = state;
}
mutex_unlock(&kp_enable_mutex);
@@ -289,7 +249,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
struct omap_kp *omap_kp;
struct input_dev *input_dev;
struct omap_kp_platform_data *pdata = pdev->dev.platform_data;
- int i, col_idx, row_idx, irq_idx, ret;
+ int i, col_idx, row_idx, ret;
unsigned int row_shift, keycodemax;
if (!pdata->rows || !pdata->cols || !pdata->keymap_data) {
@@ -314,8 +274,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
omap_kp->input = input_dev;
/* Disable the interrupt for the MPUIO keyboard */
- if (!cpu_is_omap24xx())
- omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
if (pdata->delay)
omap_kp->delay = pdata->delay;
@@ -328,31 +287,8 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
omap_kp->rows = pdata->rows;
omap_kp->cols = pdata->cols;
- if (cpu_is_omap24xx()) {
- /* Cols: outputs */
- for (col_idx = 0; col_idx < omap_kp->cols; col_idx++) {
- if (gpio_request(col_gpios[col_idx], "omap_kp_col") < 0) {
- printk(KERN_ERR "Failed to request"
- "GPIO%d for keypad\n",
- col_gpios[col_idx]);
- goto err1;
- }
- gpio_direction_output(col_gpios[col_idx], 0);
- }
- /* Rows: inputs */
- for (row_idx = 0; row_idx < omap_kp->rows; row_idx++) {
- if (gpio_request(row_gpios[row_idx], "omap_kp_row") < 0) {
- printk(KERN_ERR "Failed to request"
- "GPIO%d for keypad\n",
- row_gpios[row_idx]);
- goto err2;
- }
- gpio_direction_input(row_gpios[row_idx]);
- }
- } else {
- col_idx = 0;
- row_idx = 0;
- }
+ col_idx = 0;
+ row_idx = 0;
setup_timer(&omap_kp->timer, omap_kp_timer, (unsigned long)omap_kp);
@@ -394,37 +330,25 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
/* scan current status and enable interrupt */
omap_kp_scan_keypad(omap_kp, keypad_state);
- if (!cpu_is_omap24xx()) {
- omap_kp->irq = platform_get_irq(pdev, 0);
- if (omap_kp->irq >= 0) {
- if (request_irq(omap_kp->irq, omap_kp_interrupt, 0,
- "omap-keypad", omap_kp) < 0)
- goto err4;
- }
- omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
- } else {
- for (irq_idx = 0; irq_idx < omap_kp->rows; irq_idx++) {
- if (request_irq(gpio_to_irq(row_gpios[irq_idx]),
- omap_kp_interrupt,
- IRQF_TRIGGER_FALLING,
- "omap-keypad", omap_kp) < 0)
- goto err5;
- }
+ omap_kp->irq = platform_get_irq(pdev, 0);
+ if (omap_kp->irq >= 0) {
+ if (request_irq(omap_kp->irq, omap_kp_interrupt, 0,
+ "omap-keypad", omap_kp) < 0)
+ goto err4;
}
+ omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+
return 0;
-err5:
- for (i = irq_idx - 1; i >=0; i--)
- free_irq(row_gpios[i], omap_kp);
+
err4:
input_unregister_device(omap_kp->input);
input_dev = NULL;
err3:
device_remove_file(&pdev->dev, &dev_attr_enable);
err2:
- for (i = row_idx - 1; i >=0; i--)
+ for (i = row_idx - 1; i >= 0; i--)
gpio_free(row_gpios[i]);
-err1:
- for (i = col_idx - 1; i >=0; i--)
+ for (i = col_idx - 1; i >= 0; i--)
gpio_free(col_gpios[i]);
kfree(omap_kp);
@@ -439,18 +363,8 @@ static int __devexit omap_kp_remove(struct platform_device *pdev)
/* disable keypad interrupt handling */
tasklet_disable(&kp_tasklet);
- if (cpu_is_omap24xx()) {
- int i;
- for (i = 0; i < omap_kp->cols; i++)
- gpio_free(col_gpios[i]);
- for (i = 0; i < omap_kp->rows; i++) {
- gpio_free(row_gpios[i]);
- free_irq(gpio_to_irq(row_gpios[i]), omap_kp);
- }
- } else {
- omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
- free_irq(omap_kp->irq, omap_kp);
- }
+ omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ free_irq(omap_kp->irq, omap_kp);
del_timer_sync(&omap_kp->timer);
tasklet_kill(&kp_tasklet);
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 7f7b72464a37..cad9d5dd5973 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -32,7 +32,7 @@
#include <asm/mach/map.h>
#include <mach/hardware.h>
-#include <plat/pxa27x_keypad.h>
+#include <linux/platform_data/keypad-pxa27x.h>
/*
* Keypad Controller registers
*/
@@ -368,6 +368,9 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
unsigned int mask = 0, direct_key_num = 0;
unsigned long kpc = 0;
+ /* clear pending interrupt bit */
+ keypad_readl(KPC);
+
/* enable matrix keys with automatic scan */
if (pdata->matrix_key_rows && pdata->matrix_key_cols) {
kpc |= KPC_ASACT | KPC_MIE | KPC_ME | KPC_MS_ALL;
diff --git a/drivers/input/keyboard/pxa930_rotary.c b/drivers/input/keyboard/pxa930_rotary.c
index d7f1134b789e..41488f9add20 100644
--- a/drivers/input/keyboard/pxa930_rotary.c
+++ b/drivers/input/keyboard/pxa930_rotary.c
@@ -15,7 +15,7 @@
#include <linux/io.h>
#include <linux/slab.h>
-#include <mach/pxa930_rotary.h>
+#include <linux/platform_data/keyboard-pxa930_rotary.h>
#define SBCR (0x04)
#define ERCR (0x0c)
diff --git a/drivers/input/keyboard/qt2160.c b/drivers/input/keyboard/qt2160.c
index e7a5e36e1203..76b7d430d03a 100644
--- a/drivers/input/keyboard/qt2160.c
+++ b/drivers/input/keyboard/qt2160.c
@@ -156,8 +156,7 @@ static irqreturn_t qt2160_irq(int irq, void *_qt2160)
spin_lock_irqsave(&qt2160->lock, flags);
- __cancel_delayed_work(&qt2160->dwork);
- schedule_delayed_work(&qt2160->dwork, 0);
+ mod_delayed_work(system_wq, &qt2160->dwork, 0);
spin_unlock_irqrestore(&qt2160->lock, flags);
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index a061ba603a29..9d7a111486f7 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -256,7 +256,7 @@ static struct samsung_keypad_platdata *samsung_keypad_parse_dt(
struct matrix_keymap_data *keymap_data;
uint32_t *keymap, num_rows = 0, num_cols = 0;
struct device_node *np = dev->of_node, *key_np;
- unsigned int key_count = 0;
+ unsigned int key_count;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
@@ -280,9 +280,7 @@ static struct samsung_keypad_platdata *samsung_keypad_parse_dt(
}
pdata->keymap_data = keymap_data;
- for_each_child_of_node(np, key_np)
- key_count++;
-
+ key_count = of_get_child_count(np);
keymap_data->keymap_size = key_count;
keymap = devm_kzalloc(dev, sizeof(uint32_t) * key_count, GFP_KERNEL);
if (!keymap) {
@@ -433,6 +431,12 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
goto err_unmap_base;
}
+ error = clk_prepare(keypad->clk);
+ if (error) {
+ dev_err(&pdev->dev, "keypad clock prepare failed\n");
+ goto err_put_clk;
+ }
+
keypad->input_dev = input_dev;
keypad->pdev = pdev;
keypad->row_shift = row_shift;
@@ -463,7 +467,7 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
keypad->keycodes, input_dev);
if (error) {
dev_err(&pdev->dev, "failed to build keymap\n");
- goto err_put_clk;
+ goto err_unprepare_clk;
}
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
@@ -505,6 +509,8 @@ err_free_irq:
pm_runtime_disable(&pdev->dev);
device_init_wakeup(&pdev->dev, 0);
platform_set_drvdata(pdev, NULL);
+err_unprepare_clk:
+ clk_unprepare(keypad->clk);
err_put_clk:
clk_put(keypad->clk);
samsung_keypad_dt_gpio_free(keypad);
@@ -533,6 +539,7 @@ static int __devexit samsung_keypad_remove(struct platform_device *pdev)
*/
free_irq(keypad->irq, keypad);
+ clk_unprepare(keypad->clk);
clk_put(keypad->clk);
samsung_keypad_dt_gpio_free(keypad);
@@ -662,8 +669,6 @@ static const struct of_device_id samsung_keypad_dt_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, samsung_keypad_dt_match);
-#else
-#define samsung_keypad_dt_match NULL
#endif
static struct platform_device_id samsung_keypad_driver_ids[] = {
@@ -684,7 +689,7 @@ static struct platform_driver samsung_keypad_driver = {
.driver = {
.name = "samsung-keypad",
.owner = THIS_MODULE,
- .of_match_table = samsung_keypad_dt_match,
+ .of_match_table = of_match_ptr(samsung_keypad_dt_match),
.pm = &samsung_keypad_pm_ops,
},
.id_table = samsung_keypad_driver_ids,
diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index 72ef01be3360..c7ca97f44bfb 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -24,7 +24,7 @@
#include <linux/pm_wakeup.h>
#include <linux/slab.h>
#include <linux/types.h>
-#include <plat/keyboard.h>
+#include <linux/platform_data/keyboard-spear.h>
/* Keyboard Registers */
#define MODE_CTL_REG 0x00
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index 2c1c9ed1bd9f..5faaf2553e33 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -29,8 +29,8 @@
#include <linux/of.h>
#include <linux/clk.h>
#include <linux/slab.h>
+#include <linux/input/tegra_kbc.h>
#include <mach/clk.h>
-#include <mach/kbc.h>
#define KBC_MAX_DEBOUNCE_CNT 0x3ffu
diff --git a/drivers/input/keyboard/w90p910_keypad.c b/drivers/input/keyboard/w90p910_keypad.c
index 085ede4d972d..e0f6cd1ad0fd 100644
--- a/drivers/input/keyboard/w90p910_keypad.c
+++ b/drivers/input/keyboard/w90p910_keypad.c
@@ -21,7 +21,7 @@
#include <linux/io.h>
#include <linux/slab.h>
-#include <mach/w90p910_keypad.h>
+#include <linux/platform_data/keypad-w90p910.h>
/* Keypad Interface Control Registers */
#define KPI_CONF 0x00
diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index 601f7372f9c4..26f13131639a 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c
@@ -151,22 +151,7 @@ static struct acpi_driver atlas_acpi_driver = {
.remove = atlas_acpi_button_remove,
},
};
-
-static int __init atlas_acpi_init(void)
-{
- if (acpi_disabled)
- return -ENODEV;
-
- return acpi_bus_register_driver(&atlas_acpi_driver);
-}
-
-static void __exit atlas_acpi_exit(void)
-{
- acpi_bus_unregister_driver(&atlas_acpi_driver);
-}
-
-module_init(atlas_acpi_init);
-module_exit(atlas_acpi_exit);
+module_acpi_driver(atlas_acpi_driver);
MODULE_AUTHOR("Jaya Kumar");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index f07f784198b9..99a49e4968d2 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -24,12 +24,14 @@
#include <linux/gpio.h>
#include <linux/rotary_encoder.h>
#include <linux/slab.h>
+#include <linux/of_platform.h>
+#include <linux/of_gpio.h>
#define DRV_NAME "rotary-encoder"
struct rotary_encoder {
struct input_dev *input;
- struct rotary_encoder_platform_data *pdata;
+ const struct rotary_encoder_platform_data *pdata;
unsigned int axis;
unsigned int pos;
@@ -43,7 +45,7 @@ struct rotary_encoder {
char last_stable;
};
-static int rotary_encoder_get_state(struct rotary_encoder_platform_data *pdata)
+static int rotary_encoder_get_state(const struct rotary_encoder_platform_data *pdata)
{
int a = !!gpio_get_value(pdata->gpio_a);
int b = !!gpio_get_value(pdata->gpio_b);
@@ -56,7 +58,7 @@ static int rotary_encoder_get_state(struct rotary_encoder_platform_data *pdata)
static void rotary_encoder_report_event(struct rotary_encoder *encoder)
{
- struct rotary_encoder_platform_data *pdata = encoder->pdata;
+ const struct rotary_encoder_platform_data *pdata = encoder->pdata;
if (pdata->relative_axis) {
input_report_rel(encoder->input,
@@ -140,36 +142,89 @@ static irqreturn_t rotary_encoder_half_period_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
+#ifdef CONFIG_OF
+static struct of_device_id rotary_encoder_of_match[] = {
+ { .compatible = "rotary-encoder", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, rotary_encoder_of_match);
+
+static struct rotary_encoder_platform_data * __devinit
+rotary_encoder_parse_dt(struct device *dev)
+{
+ const struct of_device_id *of_id =
+ of_match_device(rotary_encoder_of_match, dev);
+ struct device_node *np = dev->of_node;
+ struct rotary_encoder_platform_data *pdata;
+ enum of_gpio_flags flags;
+
+ if (!of_id || !np)
+ return NULL;
+
+ pdata = kzalloc(sizeof(struct rotary_encoder_platform_data),
+ GFP_KERNEL);
+ if (!pdata)
+ return ERR_PTR(-ENOMEM);
+
+ of_property_read_u32(np, "rotary-encoder,steps", &pdata->steps);
+ of_property_read_u32(np, "linux,axis", &pdata->axis);
+
+ pdata->gpio_a = of_get_gpio_flags(np, 0, &flags);
+ pdata->inverted_a = flags & OF_GPIO_ACTIVE_LOW;
+
+ pdata->gpio_b = of_get_gpio_flags(np, 1, &flags);
+ pdata->inverted_b = flags & OF_GPIO_ACTIVE_LOW;
+
+ pdata->relative_axis = !!of_get_property(np,
+ "rotary-encoder,relative-axis", NULL);
+ pdata->rollover = !!of_get_property(np,
+ "rotary-encoder,rollover", NULL);
+ pdata->half_period = !!of_get_property(np,
+ "rotary-encoder,half-period", NULL);
+
+ return pdata;
+}
+#else
+static inline struct rotary_encoder_platform_data *
+rotary_encoder_parse_dt(struct device *dev)
+{
+ return NULL;
+}
+#endif
+
static int __devinit rotary_encoder_probe(struct platform_device *pdev)
{
- struct rotary_encoder_platform_data *pdata = pdev->dev.platform_data;
+ struct device *dev = &pdev->dev;
+ const struct rotary_encoder_platform_data *pdata = dev_get_platdata(dev);
struct rotary_encoder *encoder;
struct input_dev *input;
irq_handler_t handler;
int err;
if (!pdata) {
- dev_err(&pdev->dev, "missing platform data\n");
- return -ENOENT;
+ pdata = rotary_encoder_parse_dt(dev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+
+ if (!pdata) {
+ dev_err(dev, "missing platform data\n");
+ return -EINVAL;
+ }
}
encoder = kzalloc(sizeof(struct rotary_encoder), GFP_KERNEL);
input = input_allocate_device();
if (!encoder || !input) {
- dev_err(&pdev->dev, "failed to allocate memory for device\n");
err = -ENOMEM;
goto exit_free_mem;
}
encoder->input = input;
encoder->pdata = pdata;
- encoder->irq_a = gpio_to_irq(pdata->gpio_a);
- encoder->irq_b = gpio_to_irq(pdata->gpio_b);
- /* create and register the input driver */
input->name = pdev->name;
input->id.bustype = BUS_HOST;
- input->dev.parent = &pdev->dev;
+ input->dev.parent = dev;
if (pdata->relative_axis) {
input->evbit[0] = BIT_MASK(EV_REL);
@@ -180,40 +235,21 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev)
pdata->axis, 0, pdata->steps, 0, 1);
}
- err = input_register_device(input);
- if (err) {
- dev_err(&pdev->dev, "failed to register input device\n");
- goto exit_free_mem;
- }
-
/* request the GPIOs */
- err = gpio_request(pdata->gpio_a, DRV_NAME);
- if (err) {
- dev_err(&pdev->dev, "unable to request GPIO %d\n",
- pdata->gpio_a);
- goto exit_unregister_input;
- }
-
- err = gpio_direction_input(pdata->gpio_a);
+ err = gpio_request_one(pdata->gpio_a, GPIOF_IN, dev_name(dev));
if (err) {
- dev_err(&pdev->dev, "unable to set GPIO %d for input\n",
- pdata->gpio_a);
- goto exit_unregister_input;
+ dev_err(dev, "unable to request GPIO %d\n", pdata->gpio_a);
+ goto exit_free_mem;
}
- err = gpio_request(pdata->gpio_b, DRV_NAME);
+ err = gpio_request_one(pdata->gpio_b, GPIOF_IN, dev_name(dev));
if (err) {
- dev_err(&pdev->dev, "unable to request GPIO %d\n",
- pdata->gpio_b);
+ dev_err(dev, "unable to request GPIO %d\n", pdata->gpio_b);
goto exit_free_gpio_a;
}
- err = gpio_direction_input(pdata->gpio_b);
- if (err) {
- dev_err(&pdev->dev, "unable to set GPIO %d for input\n",
- pdata->gpio_b);
- goto exit_free_gpio_a;
- }
+ encoder->irq_a = gpio_to_irq(pdata->gpio_a);
+ encoder->irq_b = gpio_to_irq(pdata->gpio_b);
/* request the IRQs */
if (pdata->half_period) {
@@ -227,8 +263,7 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev)
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
DRV_NAME, encoder);
if (err) {
- dev_err(&pdev->dev, "unable to request IRQ %d\n",
- encoder->irq_a);
+ dev_err(dev, "unable to request IRQ %d\n", encoder->irq_a);
goto exit_free_gpio_b;
}
@@ -236,43 +271,55 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev)
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
DRV_NAME, encoder);
if (err) {
- dev_err(&pdev->dev, "unable to request IRQ %d\n",
- encoder->irq_b);
+ dev_err(dev, "unable to request IRQ %d\n", encoder->irq_b);
goto exit_free_irq_a;
}
+ err = input_register_device(input);
+ if (err) {
+ dev_err(dev, "failed to register input device\n");
+ goto exit_free_irq_b;
+ }
+
platform_set_drvdata(pdev, encoder);
return 0;
+exit_free_irq_b:
+ free_irq(encoder->irq_b, encoder);
exit_free_irq_a:
free_irq(encoder->irq_a, encoder);
exit_free_gpio_b:
gpio_free(pdata->gpio_b);
exit_free_gpio_a:
gpio_free(pdata->gpio_a);
-exit_unregister_input:
- input_unregister_device(input);
- input = NULL; /* so we don't try to free it */
exit_free_mem:
input_free_device(input);
kfree(encoder);
+ if (!dev_get_platdata(&pdev->dev))
+ kfree(pdata);
+
return err;
}
static int __devexit rotary_encoder_remove(struct platform_device *pdev)
{
struct rotary_encoder *encoder = platform_get_drvdata(pdev);
- struct rotary_encoder_platform_data *pdata = pdev->dev.platform_data;
+ const struct rotary_encoder_platform_data *pdata = encoder->pdata;
free_irq(encoder->irq_a, encoder);
free_irq(encoder->irq_b, encoder);
gpio_free(pdata->gpio_a);
gpio_free(pdata->gpio_b);
+
input_unregister_device(encoder->input);
- platform_set_drvdata(pdev, NULL);
kfree(encoder);
+ if (!dev_get_platdata(&pdev->dev))
+ kfree(pdata);
+
+ platform_set_drvdata(pdev, NULL);
+
return 0;
}
@@ -282,6 +329,7 @@ static struct platform_driver rotary_encoder_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(rotary_encoder_of_match),
}
};
module_platform_driver(rotary_encoder_driver);
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
index 38e4b507b94c..b3dd96d6448b 100644
--- a/drivers/input/misc/twl4030-pwrbutton.c
+++ b/drivers/input/misc/twl4030-pwrbutton.c
@@ -42,6 +42,7 @@ static irqreturn_t powerbutton_irq(int irq, void *_pwr)
err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &value,
STS_HW_CONDITIONS);
if (!err) {
+ pm_wakeup_event(pwr->dev.parent, 0);
input_report_key(pwr, KEY_POWER, value & PWR_PWRON_IRQ);
input_sync(pwr);
} else {
diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c
index fc0ed9b43424..2194a3c7236a 100644
--- a/drivers/input/misc/twl4030-vibra.c
+++ b/drivers/input/misc/twl4030-vibra.c
@@ -26,6 +26,7 @@
#include <linux/module.h>
#include <linux/jiffies.h>
#include <linux/platform_device.h>
+#include <linux/of.h>
#include <linux/workqueue.h>
#include <linux/i2c/twl.h>
#include <linux/mfd/twl4030-audio.h>
@@ -194,13 +195,26 @@ static int twl4030_vibra_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(twl4030_vibra_pm_ops,
twl4030_vibra_suspend, twl4030_vibra_resume);
+static bool twl4030_vibra_check_coexist(struct twl4030_vibra_data *pdata,
+ struct device_node *node)
+{
+ if (pdata && pdata->coexist)
+ return true;
+
+ if (of_find_node_by_name(node, "codec"))
+ return true;
+
+ return false;
+}
+
static int __devinit twl4030_vibra_probe(struct platform_device *pdev)
{
struct twl4030_vibra_data *pdata = pdev->dev.platform_data;
+ struct device_node *twl4030_core_node = pdev->dev.parent->of_node;
struct vibra_info *info;
int ret;
- if (!pdata) {
+ if (!pdata && !twl4030_core_node) {
dev_dbg(&pdev->dev, "platform_data not available\n");
return -EINVAL;
}
@@ -210,7 +224,7 @@ static int __devinit twl4030_vibra_probe(struct platform_device *pdev)
return -ENOMEM;
info->dev = &pdev->dev;
- info->coexist = pdata->coexist;
+ info->coexist = twl4030_vibra_check_coexist(pdata, twl4030_core_node);
INIT_WORK(&info->play_work, vibra_play_work);
info->input_dev = input_allocate_device();
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 6b1797503e34..a0a4bbaef02c 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -40,7 +40,8 @@
#include <linux/input/mt.h>
#include "../input-compat.h"
-static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+static int uinput_dev_event(struct input_dev *dev,
+ unsigned int type, unsigned int code, int value)
{
struct uinput_device *udev = input_get_drvdata(dev);
@@ -56,10 +57,11 @@ static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned i
}
/* Atomically allocate an ID for the given request. Returns 0 on success. */
-static int uinput_request_alloc_id(struct uinput_device *udev, struct uinput_request *request)
+static bool uinput_request_alloc_id(struct uinput_device *udev,
+ struct uinput_request *request)
{
- int id;
- int err = -1;
+ unsigned int id;
+ bool reserved = false;
spin_lock(&udev->requests_lock);
@@ -67,32 +69,35 @@ static int uinput_request_alloc_id(struct uinput_device *udev, struct uinput_req
if (!udev->requests[id]) {
request->id = id;
udev->requests[id] = request;
- err = 0;
+ reserved = true;
break;
}
}
spin_unlock(&udev->requests_lock);
- return err;
+ return reserved;
}
-static struct uinput_request *uinput_request_find(struct uinput_device *udev, int id)
+static struct uinput_request *uinput_request_find(struct uinput_device *udev,
+ unsigned int id)
{
/* Find an input request, by ID. Returns NULL if the ID isn't valid. */
- if (id >= UINPUT_NUM_REQUESTS || id < 0)
+ if (id >= UINPUT_NUM_REQUESTS)
return NULL;
return udev->requests[id];
}
-static inline int uinput_request_reserve_slot(struct uinput_device *udev, struct uinput_request *request)
+static int uinput_request_reserve_slot(struct uinput_device *udev,
+ struct uinput_request *request)
{
/* Allocate slot. If none are available right away, wait. */
return wait_event_interruptible(udev->requests_waitq,
- !uinput_request_alloc_id(udev, request));
+ uinput_request_alloc_id(udev, request));
}
-static void uinput_request_done(struct uinput_device *udev, struct uinput_request *request)
+static void uinput_request_done(struct uinput_device *udev,
+ struct uinput_request *request)
{
/* Mark slot as available */
udev->requests[request->id] = NULL;
@@ -101,14 +106,11 @@ static void uinput_request_done(struct uinput_device *udev, struct uinput_reques
complete(&request->done);
}
-static int uinput_request_submit(struct uinput_device *udev, struct uinput_request *request)
+static int uinput_request_send(struct uinput_device *udev,
+ struct uinput_request *request)
{
int retval;
- retval = uinput_request_reserve_slot(udev, request);
- if (retval)
- return retval;
-
retval = mutex_lock_interruptible(&udev->mutex);
if (retval)
return retval;
@@ -118,7 +120,12 @@ static int uinput_request_submit(struct uinput_device *udev, struct uinput_reque
goto out;
}
- /* Tell our userspace app about this new request by queueing an input event */
+ init_completion(&request->done);
+
+ /*
+ * Tell our userspace application about this new request
+ * by queueing an input event.
+ */
uinput_dev_event(udev->dev, EV_UINPUT, request->code, request->id);
out:
@@ -126,8 +133,27 @@ static int uinput_request_submit(struct uinput_device *udev, struct uinput_reque
return retval;
}
+static int uinput_request_submit(struct uinput_device *udev,
+ struct uinput_request *request)
+{
+ int error;
+
+ error = uinput_request_reserve_slot(udev, request);
+ if (error)
+ return error;
+
+ error = uinput_request_send(udev, request);
+ if (error) {
+ uinput_request_done(udev, request);
+ return error;
+ }
+
+ wait_for_completion(&request->done);
+ return request->retval;
+}
+
/*
- * Fail all ouitstanding requests so handlers don't wait for the userspace
+ * Fail all outstanding requests so handlers don't wait for the userspace
* to finish processing them.
*/
static void uinput_flush_requests(struct uinput_device *udev)
@@ -163,11 +189,12 @@ static int uinput_dev_playback(struct input_dev *dev, int effect_id, int value)
return uinput_dev_event(dev, EV_FF, effect_id, value);
}
-static int uinput_dev_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old)
+static int uinput_dev_upload_effect(struct input_dev *dev,
+ struct ff_effect *effect,
+ struct ff_effect *old)
{
struct uinput_device *udev = input_get_drvdata(dev);
struct uinput_request request;
- int retval;
/*
* uinput driver does not currently support periodic effects with
@@ -180,42 +207,25 @@ static int uinput_dev_upload_effect(struct input_dev *dev, struct ff_effect *eff
effect->u.periodic.waveform == FF_CUSTOM)
return -EINVAL;
- request.id = -1;
- init_completion(&request.done);
request.code = UI_FF_UPLOAD;
request.u.upload.effect = effect;
request.u.upload.old = old;
- retval = uinput_request_submit(udev, &request);
- if (!retval) {
- wait_for_completion(&request.done);
- retval = request.retval;
- }
-
- return retval;
+ return uinput_request_submit(udev, &request);
}
static int uinput_dev_erase_effect(struct input_dev *dev, int effect_id)
{
struct uinput_device *udev = input_get_drvdata(dev);
struct uinput_request request;
- int retval;
if (!test_bit(EV_FF, dev->evbit))
return -ENOSYS;
- request.id = -1;
- init_completion(&request.done);
request.code = UI_FF_ERASE;
request.u.effect_id = effect_id;
- retval = uinput_request_submit(udev, &request);
- if (!retval) {
- wait_for_completion(&request.done);
- retval = request.retval;
- }
-
- return retval;
+ return uinput_request_submit(udev, &request);
}
static void uinput_destroy_device(struct uinput_device *udev)
@@ -347,7 +357,8 @@ static int uinput_allocate_device(struct uinput_device *udev)
return 0;
}
-static int uinput_setup_device(struct uinput_device *udev, const char __user *buffer, size_t count)
+static int uinput_setup_device(struct uinput_device *udev,
+ const char __user *buffer, size_t count)
{
struct uinput_user_dev *user_dev;
struct input_dev *dev;
@@ -419,7 +430,8 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu
return retval;
}
-static inline ssize_t uinput_inject_event(struct uinput_device *udev, const char __user *buffer, size_t count)
+static ssize_t uinput_inject_event(struct uinput_device *udev,
+ const char __user *buffer, size_t count)
{
struct input_event ev;
@@ -434,11 +446,15 @@ static inline ssize_t uinput_inject_event(struct uinput_device *udev, const char
return input_event_size();
}
-static ssize_t uinput_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
+static ssize_t uinput_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *ppos)
{
struct uinput_device *udev = file->private_data;
int retval;
+ if (count == 0)
+ return 0;
+
retval = mutex_lock_interruptible(&udev->mutex);
if (retval)
return retval;
@@ -452,42 +468,74 @@ static ssize_t uinput_write(struct file *file, const char __user *buffer, size_t
return retval;
}
-static ssize_t uinput_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
+static bool uinput_fetch_next_event(struct uinput_device *udev,
+ struct input_event *event)
{
- struct uinput_device *udev = file->private_data;
- int retval = 0;
+ bool have_event;
- if (udev->state != UIST_CREATED)
- return -ENODEV;
+ spin_lock_irq(&udev->dev->event_lock);
- if (udev->head == udev->tail && (file->f_flags & O_NONBLOCK))
- return -EAGAIN;
+ have_event = udev->head != udev->tail;
+ if (have_event) {
+ *event = udev->buff[udev->tail];
+ udev->tail = (udev->tail + 1) % UINPUT_BUFFER_SIZE;
+ }
- retval = wait_event_interruptible(udev->waitq,
- udev->head != udev->tail || udev->state != UIST_CREATED);
- if (retval)
- return retval;
+ spin_unlock_irq(&udev->dev->event_lock);
- retval = mutex_lock_interruptible(&udev->mutex);
- if (retval)
- return retval;
+ return have_event;
+}
- if (udev->state != UIST_CREATED) {
- retval = -ENODEV;
- goto out;
- }
+static ssize_t uinput_events_to_user(struct uinput_device *udev,
+ char __user *buffer, size_t count)
+{
+ struct input_event event;
+ size_t read = 0;
- while (udev->head != udev->tail && retval + input_event_size() <= count) {
- if (input_event_to_user(buffer + retval, &udev->buff[udev->tail])) {
- retval = -EFAULT;
- goto out;
- }
- udev->tail = (udev->tail + 1) % UINPUT_BUFFER_SIZE;
- retval += input_event_size();
+ while (read + input_event_size() <= count &&
+ uinput_fetch_next_event(udev, &event)) {
+
+ if (input_event_to_user(buffer + read, &event))
+ return -EFAULT;
+
+ read += input_event_size();
}
- out:
- mutex_unlock(&udev->mutex);
+ return read;
+}
+
+static ssize_t uinput_read(struct file *file, char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ struct uinput_device *udev = file->private_data;
+ ssize_t retval;
+
+ if (count != 0 && count < input_event_size())
+ return -EINVAL;
+
+ do {
+ retval = mutex_lock_interruptible(&udev->mutex);
+ if (retval)
+ return retval;
+
+ if (udev->state != UIST_CREATED)
+ retval = -ENODEV;
+ else if (udev->head == udev->tail &&
+ (file->f_flags & O_NONBLOCK))
+ retval = -EAGAIN;
+ else
+ retval = uinput_events_to_user(udev, buffer, count);
+
+ mutex_unlock(&udev->mutex);
+
+ if (retval || count == 0)
+ break;
+
+ if (!(file->f_flags & O_NONBLOCK))
+ retval = wait_event_interruptible(udev->waitq,
+ udev->head != udev->tail ||
+ udev->state != UIST_CREATED);
+ } while (retval == 0);
return retval;
}
@@ -516,8 +564,8 @@ static int uinput_release(struct inode *inode, struct file *file)
#ifdef CONFIG_COMPAT
struct uinput_ff_upload_compat {
- int request_id;
- int retval;
+ __u32 request_id;
+ __s32 retval;
struct ff_effect_compat effect;
struct ff_effect_compat old;
};
@@ -703,7 +751,8 @@ static long uinput_ioctl_handler(struct file *file, unsigned int cmd,
break;
req = uinput_request_find(udev, ff_up.request_id);
- if (!req || req->code != UI_FF_UPLOAD || !req->u.upload.effect) {
+ if (!req || req->code != UI_FF_UPLOAD ||
+ !req->u.upload.effect) {
retval = -EINVAL;
break;
}
@@ -786,7 +835,8 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
#ifdef CONFIG_COMPAT
-static long uinput_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static long uinput_compat_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
return uinput_ioctl_handler(file, cmd, arg, compat_ptr(arg));
}
@@ -831,4 +881,3 @@ MODULE_VERSION("0.3");
module_init(uinput_init);
module_exit(uinput_exit);
-
diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c
index 02ca8680ea5b..6f7d99013031 100644
--- a/drivers/input/misc/xen-kbdfront.c
+++ b/drivers/input/misc/xen-kbdfront.c
@@ -311,7 +311,6 @@ static void xenkbd_backend_changed(struct xenbus_device *dev,
case XenbusStateReconfiguring:
case XenbusStateReconfigured:
case XenbusStateUnknown:
- case XenbusStateClosed:
break;
case XenbusStateInitWait:
@@ -350,6 +349,10 @@ InitWait:
break;
+ case XenbusStateClosed:
+ if (dev->state == XenbusStateClosed)
+ break;
+ /* Missed the backend's CLOSING state -- fallthrough */
case XenbusStateClosing:
xenbus_frontend_closed(dev);
break;
diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c
index 575f880727fe..62be888e83d0 100644
--- a/drivers/input/mouse/hgpk.c
+++ b/drivers/input/mouse/hgpk.c
@@ -334,11 +334,8 @@ static bool hgpk_is_byte_valid(struct psmouse *psmouse, unsigned char *packet)
if (!valid)
psmouse_dbg(psmouse,
- "bad data, mode %d (%d) %02x %02x %02x %02x %02x %02x\n",
- priv->mode, pktcnt,
- psmouse->packet[0], psmouse->packet[1],
- psmouse->packet[2], psmouse->packet[3],
- psmouse->packet[4], psmouse->packet[5]);
+ "bad data, mode %d (%d) %*ph\n",
+ priv->mode, pktcnt, 6, psmouse->packet);
return valid;
}
@@ -1030,7 +1027,7 @@ static enum hgpk_model_t hgpk_get_model(struct psmouse *psmouse)
return -EIO;
}
- psmouse_dbg(psmouse, "ID: %02x %02x %02x\n", param[0], param[1], param[2]);
+ psmouse_dbg(psmouse, "ID: %*ph\n", 3, param);
/* HGPK signature: 0x67, 0x00, 0x<model> */
if (param[0] != 0x67 || param[1] != 0x00)
diff --git a/drivers/input/mouse/pxa930_trkball.c b/drivers/input/mouse/pxa930_trkball.c
index a9e4bfdf31f4..4fe055f2c536 100644
--- a/drivers/input/mouse/pxa930_trkball.c
+++ b/drivers/input/mouse/pxa930_trkball.c
@@ -20,7 +20,7 @@
#include <linux/slab.h>
#include <mach/hardware.h>
-#include <mach/pxa930_trkball.h>
+#include <linux/platform_data/mouse-pxa930_trkball.h>
/* Trackball Controller Register Definitions */
#define TBCR (0x000C)
diff --git a/drivers/input/mouse/rpcmouse.c b/drivers/input/mouse/rpcmouse.c
index 272deddc8db6..21c60fea5d31 100644
--- a/drivers/input/mouse/rpcmouse.c
+++ b/drivers/input/mouse/rpcmouse.c
@@ -42,7 +42,7 @@ static irqreturn_t rpcmouse_irq(int irq, void *dev_id)
x = (short) iomd_readl(IOMD_MOUSEX);
y = (short) iomd_readl(IOMD_MOUSEY);
- b = (short) (__raw_readl(0xe0310000) ^ 0x70);
+ b = (short) (__raw_readl(IOMEM(0xe0310000)) ^ 0x70);
dx = x - rpcmouse_lastx;
dy = y - rpcmouse_lasty;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 37033ade79d3..12d12ca3fee0 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -53,14 +53,19 @@
#define ABS_POS_BITS 13
/*
- * Any position values from the hardware above the following limits are
- * treated as "wrapped around negative" values that have been truncated to
- * the 13-bit reporting range of the hardware. These are just reasonable
- * guesses and can be adjusted if hardware is found that operates outside
- * of these parameters.
+ * These values should represent the absolute maximum value that will
+ * be reported for a positive position value. Some Synaptics firmware
+ * uses this value to indicate a finger near the edge of the touchpad
+ * whose precise position cannot be determined.
+ *
+ * At least one touchpad is known to report positions in excess of this
+ * value which are actually negative values truncated to the 13-bit
+ * reporting range. These values have never been observed to be lower
+ * than 8184 (i.e. -8), so we treat all values greater than 8176 as
+ * negative and any other value as positive.
*/
-#define X_MAX_POSITIVE (((1 << ABS_POS_BITS) + XMAX) / 2)
-#define Y_MAX_POSITIVE (((1 << ABS_POS_BITS) + YMAX) / 2)
+#define X_MAX_POSITIVE 8176
+#define Y_MAX_POSITIVE 8176
/*****************************************************************************
* Stuff we need even when we do not want native Synaptics support
@@ -604,11 +609,21 @@ static int synaptics_parse_hw_state(const unsigned char buf[],
hw->right = (buf[0] & 0x02) ? 1 : 0;
}
- /* Convert wrap-around values to negative */
+ /*
+ * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE
+ * is used by some firmware to indicate a finger at the edge of
+ * the touchpad whose precise position cannot be determined, so
+ * convert these values to the maximum axis value.
+ */
if (hw->x > X_MAX_POSITIVE)
hw->x -= 1 << ABS_POS_BITS;
+ else if (hw->x == X_MAX_POSITIVE)
+ hw->x = XMAX;
+
if (hw->y > Y_MAX_POSITIVE)
hw->y -= 1 << ABS_POS_BITS;
+ else if (hw->y == Y_MAX_POSITIVE)
+ hw->y = YMAX;
return 0;
}
diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c
index f14675702c0f..063a174d3a88 100644
--- a/drivers/input/mouse/synaptics_i2c.c
+++ b/drivers/input/mouse/synaptics_i2c.c
@@ -376,12 +376,7 @@ static void synaptics_i2c_reschedule_work(struct synaptics_i2c *touch,
spin_lock_irqsave(&touch->lock, flags);
- /*
- * If work is already scheduled then subsequent schedules will not
- * change the scheduled time that's why we have to cancel it first.
- */
- __cancel_delayed_work(&touch->dwork);
- schedule_delayed_work(&touch->dwork, delay);
+ mod_delayed_work(system_wq, &touch->dwork, delay);
spin_unlock_irqrestore(&touch->lock, flags);
}
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 0110b5a3a167..8f02e3d0e712 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -24,10 +24,8 @@
#include <linux/random.h>
#include <linux/major.h>
#include <linux/device.h>
+#include <linux/cdev.h>
#include <linux/kernel.h>
-#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
-#include <linux/miscdevice.h>
-#endif
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Mouse (ExplorerPS/2) device interfaces");
@@ -61,17 +59,18 @@ struct mousedev_hw_data {
struct mousedev {
int open;
- int minor;
struct input_handle handle;
wait_queue_head_t wait;
struct list_head client_list;
spinlock_t client_lock; /* protects client_list */
struct mutex mutex;
struct device dev;
+ struct cdev cdev;
bool exist;
+ bool is_mixdev;
struct list_head mixdev_node;
- int mixdev_open;
+ bool opened_by_mixdev;
struct mousedev_hw_data packet;
unsigned int pkt_count;
@@ -114,10 +113,6 @@ struct mousedev_client {
static unsigned char mousedev_imps_seq[] = { 0xf3, 200, 0xf3, 100, 0xf3, 80 };
static unsigned char mousedev_imex_seq[] = { 0xf3, 200, 0xf3, 200, 0xf3, 80 };
-static struct input_handler mousedev_handler;
-
-static struct mousedev *mousedev_table[MOUSEDEV_MINORS];
-static DEFINE_MUTEX(mousedev_table_mutex);
static struct mousedev *mousedev_mix;
static LIST_HEAD(mousedev_mix_list);
@@ -433,7 +428,7 @@ static int mousedev_open_device(struct mousedev *mousedev)
if (retval)
return retval;
- if (mousedev->minor == MOUSEDEV_MIX)
+ if (mousedev->is_mixdev)
mixdev_open_devices();
else if (!mousedev->exist)
retval = -ENODEV;
@@ -451,7 +446,7 @@ static void mousedev_close_device(struct mousedev *mousedev)
{
mutex_lock(&mousedev->mutex);
- if (mousedev->minor == MOUSEDEV_MIX)
+ if (mousedev->is_mixdev)
mixdev_close_devices();
else if (mousedev->exist && !--mousedev->open)
input_close_device(&mousedev->handle);
@@ -472,11 +467,11 @@ static void mixdev_open_devices(void)
return;
list_for_each_entry(mousedev, &mousedev_mix_list, mixdev_node) {
- if (!mousedev->mixdev_open) {
+ if (!mousedev->opened_by_mixdev) {
if (mousedev_open_device(mousedev))
continue;
- mousedev->mixdev_open = 1;
+ mousedev->opened_by_mixdev = true;
}
}
}
@@ -494,8 +489,8 @@ static void mixdev_close_devices(void)
return;
list_for_each_entry(mousedev, &mousedev_mix_list, mixdev_node) {
- if (mousedev->mixdev_open) {
- mousedev->mixdev_open = 0;
+ if (mousedev->opened_by_mixdev) {
+ mousedev->opened_by_mixdev = false;
mousedev_close_device(mousedev);
}
}
@@ -528,7 +523,6 @@ static int mousedev_release(struct inode *inode, struct file *file)
kfree(client);
mousedev_close_device(mousedev);
- put_device(&mousedev->dev);
return 0;
}
@@ -538,36 +532,17 @@ static int mousedev_open(struct inode *inode, struct file *file)
struct mousedev_client *client;
struct mousedev *mousedev;
int error;
- int i;
#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
if (imajor(inode) == MISC_MAJOR)
- i = MOUSEDEV_MIX;
+ mousedev = mousedev_mix;
else
#endif
- i = iminor(inode) - MOUSEDEV_MINOR_BASE;
-
- if (i >= MOUSEDEV_MINORS)
- return -ENODEV;
-
- error = mutex_lock_interruptible(&mousedev_table_mutex);
- if (error) {
- return error;
- }
- mousedev = mousedev_table[i];
- if (mousedev)
- get_device(&mousedev->dev);
- mutex_unlock(&mousedev_table_mutex);
-
- if (!mousedev) {
- return -ENODEV;
- }
+ mousedev = container_of(inode->i_cdev, struct mousedev, cdev);
client = kzalloc(sizeof(struct mousedev_client), GFP_KERNEL);
- if (!client) {
- error = -ENOMEM;
- goto err_put_mousedev;
- }
+ if (!client)
+ return -ENOMEM;
spin_lock_init(&client->packet_lock);
client->pos_x = xres / 2;
@@ -580,13 +555,13 @@ static int mousedev_open(struct inode *inode, struct file *file)
goto err_free_client;
file->private_data = client;
+ nonseekable_open(inode, file);
+
return 0;
err_free_client:
mousedev_detach_client(mousedev, client);
kfree(client);
- err_put_mousedev:
- put_device(&mousedev->dev);
return error;
}
@@ -786,29 +761,16 @@ static unsigned int mousedev_poll(struct file *file, poll_table *wait)
}
static const struct file_operations mousedev_fops = {
- .owner = THIS_MODULE,
- .read = mousedev_read,
- .write = mousedev_write,
- .poll = mousedev_poll,
- .open = mousedev_open,
- .release = mousedev_release,
- .fasync = mousedev_fasync,
- .llseek = noop_llseek,
+ .owner = THIS_MODULE,
+ .read = mousedev_read,
+ .write = mousedev_write,
+ .poll = mousedev_poll,
+ .open = mousedev_open,
+ .release = mousedev_release,
+ .fasync = mousedev_fasync,
+ .llseek = noop_llseek,
};
-static int mousedev_install_chrdev(struct mousedev *mousedev)
-{
- mousedev_table[mousedev->minor] = mousedev;
- return 0;
-}
-
-static void mousedev_remove_chrdev(struct mousedev *mousedev)
-{
- mutex_lock(&mousedev_table_mutex);
- mousedev_table[mousedev->minor] = NULL;
- mutex_unlock(&mousedev_table_mutex);
-}
-
/*
* Mark device non-existent. This disables writes, ioctls and
* prevents new users from opening the device. Already posted
@@ -843,24 +805,50 @@ static void mousedev_cleanup(struct mousedev *mousedev)
mousedev_mark_dead(mousedev);
mousedev_hangup(mousedev);
- mousedev_remove_chrdev(mousedev);
+
+ cdev_del(&mousedev->cdev);
/* mousedev is marked dead so no one else accesses mousedev->open */
if (mousedev->open)
input_close_device(handle);
}
+static int mousedev_reserve_minor(bool mixdev)
+{
+ int minor;
+
+ if (mixdev) {
+ minor = input_get_new_minor(MOUSEDEV_MIX, 1, false);
+ if (minor < 0)
+ pr_err("failed to reserve mixdev minor: %d\n", minor);
+ } else {
+ minor = input_get_new_minor(MOUSEDEV_MINOR_BASE,
+ MOUSEDEV_MINORS, true);
+ if (minor < 0)
+ pr_err("failed to reserve new minor: %d\n", minor);
+ }
+
+ return minor;
+}
+
static struct mousedev *mousedev_create(struct input_dev *dev,
struct input_handler *handler,
- int minor)
+ bool mixdev)
{
struct mousedev *mousedev;
+ int minor;
int error;
+ minor = mousedev_reserve_minor(mixdev);
+ if (minor < 0) {
+ error = minor;
+ goto err_out;
+ }
+
mousedev = kzalloc(sizeof(struct mousedev), GFP_KERNEL);
if (!mousedev) {
error = -ENOMEM;
- goto err_out;
+ goto err_free_minor;
}
INIT_LIST_HEAD(&mousedev->client_list);
@@ -868,16 +856,21 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
spin_lock_init(&mousedev->client_lock);
mutex_init(&mousedev->mutex);
lockdep_set_subclass(&mousedev->mutex,
- minor == MOUSEDEV_MIX ? SINGLE_DEPTH_NESTING : 0);
+ mixdev ? SINGLE_DEPTH_NESTING : 0);
init_waitqueue_head(&mousedev->wait);
- if (minor == MOUSEDEV_MIX)
+ if (mixdev) {
dev_set_name(&mousedev->dev, "mice");
- else
- dev_set_name(&mousedev->dev, "mouse%d", minor);
+ } else {
+ int dev_no = minor;
+ /* Normalize device number if it falls into legacy range */
+ if (dev_no < MOUSEDEV_MINOR_BASE + MOUSEDEV_MINORS)
+ dev_no -= MOUSEDEV_MINOR_BASE;
+ dev_set_name(&mousedev->dev, "mouse%d", dev_no);
+ }
- mousedev->minor = minor;
mousedev->exist = true;
+ mousedev->is_mixdev = mixdev;
mousedev->handle.dev = input_get_device(dev);
mousedev->handle.name = dev_name(&mousedev->dev);
mousedev->handle.handler = handler;
@@ -886,17 +879,19 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
mousedev->dev.class = &input_class;
if (dev)
mousedev->dev.parent = &dev->dev;
- mousedev->dev.devt = MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor);
+ mousedev->dev.devt = MKDEV(INPUT_MAJOR, minor);
mousedev->dev.release = mousedev_free;
device_initialize(&mousedev->dev);
- if (minor != MOUSEDEV_MIX) {
+ if (!mixdev) {
error = input_register_handle(&mousedev->handle);
if (error)
goto err_free_mousedev;
}
- error = mousedev_install_chrdev(mousedev);
+ cdev_init(&mousedev->cdev, &mousedev_fops);
+ mousedev->cdev.kobj.parent = &mousedev->dev.kobj;
+ error = cdev_add(&mousedev->cdev, mousedev->dev.devt, 1);
if (error)
goto err_unregister_handle;
@@ -909,10 +904,12 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
err_cleanup_mousedev:
mousedev_cleanup(mousedev);
err_unregister_handle:
- if (minor != MOUSEDEV_MIX)
+ if (!mixdev)
input_unregister_handle(&mousedev->handle);
err_free_mousedev:
put_device(&mousedev->dev);
+ err_free_minor:
+ input_free_minor(minor);
err_out:
return ERR_PTR(error);
}
@@ -921,7 +918,8 @@ static void mousedev_destroy(struct mousedev *mousedev)
{
device_del(&mousedev->dev);
mousedev_cleanup(mousedev);
- if (mousedev->minor != MOUSEDEV_MIX)
+ input_free_minor(MINOR(mousedev->dev.devt));
+ if (!mousedev->is_mixdev)
input_unregister_handle(&mousedev->handle);
put_device(&mousedev->dev);
}
@@ -939,7 +937,7 @@ static int mixdev_add_device(struct mousedev *mousedev)
if (retval)
goto out;
- mousedev->mixdev_open = 1;
+ mousedev->opened_by_mixdev = true;
}
get_device(&mousedev->dev);
@@ -954,8 +952,8 @@ static void mixdev_remove_device(struct mousedev *mousedev)
{
mutex_lock(&mousedev_mix->mutex);
- if (mousedev->mixdev_open) {
- mousedev->mixdev_open = 0;
+ if (mousedev->opened_by_mixdev) {
+ mousedev->opened_by_mixdev = false;
mousedev_close_device(mousedev);
}
@@ -970,19 +968,9 @@ static int mousedev_connect(struct input_handler *handler,
const struct input_device_id *id)
{
struct mousedev *mousedev;
- int minor;
int error;
- for (minor = 0; minor < MOUSEDEV_MINORS; minor++)
- if (!mousedev_table[minor])
- break;
-
- if (minor == MOUSEDEV_MINORS) {
- pr_err("no more free mousedev devices\n");
- return -ENFILE;
- }
-
- mousedev = mousedev_create(dev, handler, minor);
+ mousedev = mousedev_create(dev, handler, false);
if (IS_ERR(mousedev))
return PTR_ERR(mousedev);
@@ -1055,27 +1043,53 @@ static const struct input_device_id mousedev_ids[] = {
MODULE_DEVICE_TABLE(input, mousedev_ids);
static struct input_handler mousedev_handler = {
- .event = mousedev_event,
- .connect = mousedev_connect,
- .disconnect = mousedev_disconnect,
- .fops = &mousedev_fops,
- .minor = MOUSEDEV_MINOR_BASE,
- .name = "mousedev",
- .id_table = mousedev_ids,
+ .event = mousedev_event,
+ .connect = mousedev_connect,
+ .disconnect = mousedev_disconnect,
+ .legacy_minors = true,
+ .minor = MOUSEDEV_MINOR_BASE,
+ .name = "mousedev",
+ .id_table = mousedev_ids,
};
#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
+#include <linux/miscdevice.h>
+
static struct miscdevice psaux_mouse = {
- PSMOUSE_MINOR, "psaux", &mousedev_fops
+ .minor = PSMOUSE_MINOR,
+ .name = "psaux",
+ .fops = &mousedev_fops,
};
-static int psaux_registered;
+
+static bool psaux_registered;
+
+static void __init mousedev_psaux_register(void)
+{
+ int error;
+
+ error = misc_register(&psaux_mouse);
+ if (error)
+ pr_warn("could not register psaux device, error: %d\n",
+ error);
+ else
+ psaux_registered = true;
+}
+
+static void __exit mousedev_psaux_unregister(void)
+{
+ if (psaux_registered)
+ misc_deregister(&psaux_mouse);
+}
+#else
+static inline void mousedev_psaux_register(void) { }
+static inline void mousedev_psaux_unregister(void) { }
#endif
static int __init mousedev_init(void)
{
int error;
- mousedev_mix = mousedev_create(NULL, &mousedev_handler, MOUSEDEV_MIX);
+ mousedev_mix = mousedev_create(NULL, &mousedev_handler, true);
if (IS_ERR(mousedev_mix))
return PTR_ERR(mousedev_mix);
@@ -1085,14 +1099,7 @@ static int __init mousedev_init(void)
return error;
}
-#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
- error = misc_register(&psaux_mouse);
- if (error)
- pr_warning("could not register psaux device, error: %d\n",
- error);
- else
- psaux_registered = 1;
-#endif
+ mousedev_psaux_register();
pr_info("PS/2 mouse device common for all mice\n");
@@ -1101,10 +1108,7 @@ static int __init mousedev_init(void)
static void __exit mousedev_exit(void)
{
-#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
- if (psaux_registered)
- misc_deregister(&psaux_mouse);
-#endif
+ mousedev_psaux_unregister();
input_unregister_handler(&mousedev_handler);
mousedev_destroy(mousedev_mix);
}
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
index f5fbdf94de3b..45887e31242a 100644
--- a/drivers/input/serio/ams_delta_serio.c
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -27,7 +27,7 @@
#include <linux/module.h>
#include <asm/mach-types.h>
-#include <plat/board-ams-delta.h>
+#include <mach/board-ams-delta.h>
#include <mach/ams-delta-fiq.h>
diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index 75fb040a3435..a70aa555bbff 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -180,11 +180,11 @@ int sparse_keymap_setup(struct input_dev *dev,
for (e = keymap; e->type != KE_END; e++)
map_size++;
- map = kcalloc(map_size, sizeof (struct key_entry), GFP_KERNEL);
+ map = kcalloc(map_size, sizeof(struct key_entry), GFP_KERNEL);
if (!map)
return -ENOMEM;
- memcpy(map, keymap, map_size * sizeof (struct key_entry));
+ memcpy(map, keymap, map_size * sizeof(struct key_entry));
for (i = 0; i < map_size; i++) {
entry = &map[i];
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 0d3219f29744..858ad446de91 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -172,6 +172,76 @@ static void wacom_close(struct input_dev *dev)
}
/*
+ * Calculate the resolution of the X or Y axis, given appropriate HID data.
+ * This function is little more than hidinput_calc_abs_res stripped down.
+ */
+static int wacom_calc_hid_res(int logical_extents, int physical_extents,
+ unsigned char unit, unsigned char exponent)
+{
+ int prev, unit_exponent;
+
+ /* Check if the extents are sane */
+ if (logical_extents <= 0 || physical_extents <= 0)
+ return 0;
+
+ /* Get signed value of nybble-sized twos-compliment exponent */
+ unit_exponent = exponent;
+ if (unit_exponent > 7)
+ unit_exponent -= 16;
+
+ /* Convert physical_extents to millimeters */
+ if (unit == 0x11) { /* If centimeters */
+ unit_exponent += 1;
+ } else if (unit == 0x13) { /* If inches */
+ prev = physical_extents;
+ physical_extents *= 254;
+ if (physical_extents < prev)
+ return 0;
+ unit_exponent -= 1;
+ } else {
+ return 0;
+ }
+
+ /* Apply negative unit exponent */
+ for (; unit_exponent < 0; unit_exponent++) {
+ prev = logical_extents;
+ logical_extents *= 10;
+ if (logical_extents < prev)
+ return 0;
+ }
+ /* Apply positive unit exponent */
+ for (; unit_exponent > 0; unit_exponent--) {
+ prev = physical_extents;
+ physical_extents *= 10;
+ if (physical_extents < prev)
+ return 0;
+ }
+
+ /* Calculate resolution */
+ return logical_extents / physical_extents;
+}
+
+/*
+ * The physical dimension specified by the HID descriptor is likely not in
+ * the "100th of a mm" units expected by wacom_calculate_touch_res. This
+ * function adjusts the value of [xy]_phy based on the unit and exponent
+ * provided by the HID descriptor. If an error occurs durring conversion
+ * (e.g. from the unit being left unspecified) [xy]_phy is not modified.
+ */
+static void wacom_fix_phy_from_hid(struct wacom_features *features)
+{
+ int xres = wacom_calc_hid_res(features->x_max, features->x_phy,
+ features->unit, features->unitExpo);
+ int yres = wacom_calc_hid_res(features->y_max, features->y_phy,
+ features->unit, features->unitExpo);
+
+ if (xres > 0 && yres > 0) {
+ features->x_phy = (100 * features->x_max) / xres;
+ features->y_phy = (100 * features->y_max) / yres;
+ }
+}
+
+/*
* Static values for max X/Y and resolution of Pen interface is stored in
* features. This mean physical size of active area can be computed.
* This is useful to do when Pen and Touch have same active area of tablet.
@@ -321,7 +391,7 @@ static int wacom_parse_hid(struct usb_interface *intf,
features->pktlen = WACOM_PKGLEN_TPC2FG;
}
- if (features->type == MTSCREEN)
+ if (features->type == MTSCREEN || features->type == WACOM_24HDT)
features->pktlen = WACOM_PKGLEN_MTOUCH;
if (features->type == BAMBOO_PT) {
@@ -332,6 +402,14 @@ static int wacom_parse_hid(struct usb_interface *intf,
features->x_max =
get_unaligned_le16(&report[i + 8]);
i += 15;
+ } else if (features->type == WACOM_24HDT) {
+ features->x_max =
+ get_unaligned_le16(&report[i + 3]);
+ features->x_phy =
+ get_unaligned_le16(&report[i + 8]);
+ features->unit = report[i - 1];
+ features->unitExpo = report[i - 3];
+ i += 12;
} else {
features->x_max =
get_unaligned_le16(&report[i + 3]);
@@ -364,6 +442,12 @@ static int wacom_parse_hid(struct usb_interface *intf,
features->y_phy =
get_unaligned_le16(&report[i + 6]);
i += 7;
+ } else if (type == WACOM_24HDT) {
+ features->y_max =
+ get_unaligned_le16(&report[i + 3]);
+ features->y_phy =
+ get_unaligned_le16(&report[i - 2]);
+ i += 7;
} else if (type == BAMBOO_PT) {
features->y_phy =
get_unaligned_le16(&report[i + 3]);
@@ -432,56 +516,55 @@ static int wacom_parse_hid(struct usb_interface *intf,
return result;
}
-static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_features *features)
+static int wacom_set_device_mode(struct usb_interface *intf, int report_id, int length, int mode)
{
unsigned char *rep_data;
- int limit = 0, report_id = 2;
- int error = -ENOMEM;
+ int error = -ENOMEM, limit = 0;
- rep_data = kmalloc(4, GFP_KERNEL);
+ rep_data = kzalloc(length, GFP_KERNEL);
if (!rep_data)
return error;
- /* ask to report Wacom data */
+ rep_data[0] = report_id;
+ rep_data[1] = mode;
+
+ do {
+ error = wacom_set_report(intf, WAC_HID_FEATURE_REPORT,
+ report_id, rep_data, length, 1);
+ if (error >= 0)
+ error = wacom_get_report(intf, WAC_HID_FEATURE_REPORT,
+ report_id, rep_data, length, 1);
+ } while ((error < 0 || rep_data[1] != mode) && limit++ < WAC_MSG_RETRIES);
+
+ kfree(rep_data);
+
+ return error < 0 ? error : 0;
+}
+
+/*
+ * Switch the tablet into its most-capable mode. Wacom tablets are
+ * typically configured to power-up in a mode which sends mouse-like
+ * reports to the OS. To get absolute position, pressure data, etc.
+ * from the tablet, it is necessary to switch the tablet out of this
+ * mode and into one which sends the full range of tablet data.
+ */
+static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_features *features)
+{
if (features->device_type == BTN_TOOL_FINGER) {
- /* if it is an MT Tablet PC touch */
if (features->type > TABLETPC) {
- do {
- rep_data[0] = 3;
- rep_data[1] = 4;
- rep_data[2] = 0;
- rep_data[3] = 0;
- report_id = 3;
- error = wacom_set_report(intf,
- WAC_HID_FEATURE_REPORT,
- report_id,
- rep_data, 4, 1);
- if (error >= 0)
- error = wacom_get_report(intf,
- WAC_HID_FEATURE_REPORT,
- report_id,
- rep_data, 4, 1);
- } while ((error < 0 || rep_data[1] != 4) &&
- limit++ < WAC_MSG_RETRIES);
+ /* MT Tablet PC touch */
+ return wacom_set_device_mode(intf, 3, 4, 4);
+ }
+ else if (features->type == WACOM_24HDT) {
+ return wacom_set_device_mode(intf, 18, 3, 2);
+ }
+ } else if (features->device_type == BTN_TOOL_PEN) {
+ if (features->type <= BAMBOO_PT && features->type != WIRELESS) {
+ return wacom_set_device_mode(intf, 2, 2, 2);
}
- } else if (features->type <= BAMBOO_PT &&
- features->type != WIRELESS &&
- features->device_type == BTN_TOOL_PEN) {
- do {
- rep_data[0] = 2;
- rep_data[1] = 2;
- error = wacom_set_report(intf, WAC_HID_FEATURE_REPORT,
- report_id, rep_data, 2, 1);
- if (error >= 0)
- error = wacom_get_report(intf,
- WAC_HID_FEATURE_REPORT,
- report_id, rep_data, 2, 1);
- } while ((error < 0 || rep_data[1] != 2) && limit++ < WAC_MSG_RETRIES);
}
- kfree(rep_data);
-
- return error < 0 ? error : 0;
+ return 0;
}
static int wacom_retrieve_hid_descriptor(struct usb_interface *intf,
@@ -531,6 +614,7 @@ static int wacom_retrieve_hid_descriptor(struct usb_interface *intf,
error = wacom_parse_hid(intf, hid_desc, features);
if (error)
goto out;
+ wacom_fix_phy_from_hid(features);
out:
return error;
@@ -546,6 +630,30 @@ struct wacom_usbdev_data {
static LIST_HEAD(wacom_udev_list);
static DEFINE_MUTEX(wacom_udev_list_lock);
+static struct usb_device *wacom_get_sibling(struct usb_device *dev, int vendor, int product)
+{
+ int port1;
+ struct usb_device *sibling;
+
+ if (vendor == 0 && product == 0)
+ return dev;
+
+ if (dev->parent == NULL)
+ return NULL;
+
+ usb_hub_for_each_child(dev->parent, port1, sibling) {
+ struct usb_device_descriptor *d;
+ if (sibling == NULL)
+ continue;
+
+ d = &sibling->descriptor;
+ if (d->idVendor == vendor && d->idProduct == product)
+ return sibling;
+ }
+
+ return NULL;
+}
+
static struct wacom_usbdev_data *wacom_get_usbdev_data(struct usb_device *dev)
{
struct wacom_usbdev_data *data;
@@ -1190,13 +1298,19 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
strlcpy(wacom_wac->name, features->name, sizeof(wacom_wac->name));
if (features->quirks & WACOM_QUIRK_MULTI_INPUT) {
+ struct usb_device *other_dev;
+
/* Append the device type to the name */
strlcat(wacom_wac->name,
features->device_type == BTN_TOOL_PEN ?
" Pen" : " Finger",
sizeof(wacom_wac->name));
- error = wacom_add_shared_data(wacom_wac, dev);
+
+ other_dev = wacom_get_sibling(dev, features->oVid, features->oPid);
+ if (other_dev == NULL || wacom_get_usbdev_data(other_dev) == NULL)
+ other_dev = dev;
+ error = wacom_add_shared_data(wacom_wac, other_dev);
if (error)
goto fail3;
}
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 2a81ce375f75..0a67031ffc13 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -25,6 +25,11 @@
#define WACOM_INTUOS_RES 100
#define WACOM_INTUOS3_RES 200
+/* Scale factor relating reported contact size to logical contact area.
+ * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
+ */
+#define WACOM_CONTACT_AREA_SCALE 2607
+
static int wacom_penpartner_irq(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
@@ -326,7 +331,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom)
/* Enter report */
if ((data[1] & 0xfc) == 0xc0) {
- if (features->type >= INTUOS5S && features->type <= INTUOS5L)
+ if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
wacom->shared->stylus_in_proximity = true;
/* serial number of the tool */
@@ -414,7 +419,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom)
/* Exit report */
if ((data[1] & 0xfe) == 0x80) {
- if (features->type >= INTUOS5S && features->type <= INTUOS5L)
+ if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
wacom->shared->stylus_in_proximity = false;
/*
@@ -606,7 +611,7 @@ static int wacom_intuos_irq(struct wacom_wac *wacom)
input_report_abs(input, ABS_WHEEL, 0);
}
- if (data[2] | (data[3] & 0x01) | data[4]) {
+ if (data[2] | (data[3] & 0x01) | data[4] | data[5]) {
input_report_key(input, wacom->tool[1], 1);
input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
} else {
@@ -801,6 +806,70 @@ static int find_slot_from_contactid(struct wacom_wac *wacom, int contactid)
return -1;
}
+static int int_dist(int x1, int y1, int x2, int y2)
+{
+ int x = x2 - x1;
+ int y = y2 - y1;
+
+ return int_sqrt(x*x + y*y);
+}
+
+static int wacom_24hdt_irq(struct wacom_wac *wacom)
+{
+ struct input_dev *input = wacom->input;
+ char *data = wacom->data;
+ int i;
+ int current_num_contacts = data[61];
+ int contacts_to_send = 0;
+
+ /*
+ * First packet resets the counter since only the first
+ * packet in series will have non-zero current_num_contacts.
+ */
+ if (current_num_contacts)
+ wacom->num_contacts_left = current_num_contacts;
+
+ /* There are at most 4 contacts per packet */
+ contacts_to_send = min(4, wacom->num_contacts_left);
+
+ for (i = 0; i < contacts_to_send; i++) {
+ int offset = (WACOM_BYTES_PER_24HDT_PACKET * i) + 1;
+ bool touch = data[offset] & 0x1 && !wacom->shared->stylus_in_proximity;
+ int id = data[offset + 1];
+ int slot = find_slot_from_contactid(wacom, id);
+
+ if (slot < 0)
+ continue;
+ input_mt_slot(input, slot);
+ input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
+
+ if (touch) {
+ int t_x = le16_to_cpup((__le16 *)&data[offset + 2]);
+ int c_x = le16_to_cpup((__le16 *)&data[offset + 4]);
+ int t_y = le16_to_cpup((__le16 *)&data[offset + 6]);
+ int c_y = le16_to_cpup((__le16 *)&data[offset + 8]);
+ int w = le16_to_cpup((__le16 *)&data[offset + 10]);
+ int h = le16_to_cpup((__le16 *)&data[offset + 12]);
+
+ input_report_abs(input, ABS_MT_POSITION_X, t_x);
+ input_report_abs(input, ABS_MT_POSITION_Y, t_y);
+ input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
+ input_report_abs(input, ABS_MT_WIDTH_MAJOR, min(w, h) + int_dist(t_x, t_y, c_x, c_y));
+ input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
+ input_report_abs(input, ABS_MT_ORIENTATION, w > h);
+ }
+ wacom->slots[slot] = touch ? id : -1;
+ }
+
+ input_mt_report_pointer_emulation(input, true);
+
+ wacom->num_contacts_left -= contacts_to_send;
+ if (wacom->num_contacts_left <= 0)
+ wacom->num_contacts_left = 0;
+
+ return 1;
+}
+
static int wacom_mt_touch(struct wacom_wac *wacom)
{
struct input_dev *input = wacom->input;
@@ -1043,11 +1112,19 @@ static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
if (touch) {
int x = (data[2] << 4) | (data[4] >> 4);
int y = (data[3] << 4) | (data[4] & 0x0f);
- int w = data[6];
+ int a = data[5];
+
+ // "a" is a scaled-down area which we assume is roughly
+ // circular and which can be described as: a=(pi*r^2)/C.
+ int x_res = input_abs_get_res(input, ABS_X);
+ int y_res = input_abs_get_res(input, ABS_Y);
+ int width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
+ int height = width * y_res / x_res;
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
- input_report_abs(input, ABS_MT_TOUCH_MAJOR, w);
+ input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
+ input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
}
}
@@ -1242,6 +1319,10 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
sync = wacom_intuos_irq(wacom_wac);
break;
+ case WACOM_24HDT:
+ sync = wacom_24hdt_irq(wacom_wac);
+ break;
+
case INTUOS5S:
case INTUOS5:
case INTUOS5L:
@@ -1327,7 +1408,8 @@ void wacom_setup_device_quirks(struct wacom_features *features)
/* these device have multiple inputs */
if (features->type >= WIRELESS ||
- (features->type >= INTUOS5S && features->type <= INTUOS5L))
+ (features->type >= INTUOS5S && features->type <= INTUOS5L) ||
+ (features->oVid && features->oPid))
features->quirks |= WACOM_QUIRK_MULTI_INPUT;
/* quirk for bamboo touch with 2 low res touches */
@@ -1436,6 +1518,9 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
+
+ __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
+
wacom_setup_cintiq(wacom_wac);
break;
@@ -1533,7 +1618,9 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
input_mt_init_slots(input_dev, features->touch_max, 0);
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
- 0, 255, 0, 0);
+ 0, features->x_max, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
+ 0, features->y_max, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_X,
0, features->x_max,
@@ -1560,6 +1647,15 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
break;
+ case WACOM_24HDT:
+ if (features->device_type == BTN_TOOL_FINGER) {
+ input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
+ }
+ /* fall through */
+
case MTSCREEN:
if (features->device_type == BTN_TOOL_FINGER) {
wacom_wac->slots = kmalloc(features->touch_max *
@@ -1641,7 +1737,10 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
input_set_abs_params(input_dev,
ABS_MT_TOUCH_MAJOR,
- 0, 255, 0, 0);
+ 0, features->x_max, 0, 0);
+ input_set_abs_params(input_dev,
+ ABS_MT_TOUCH_MINOR,
+ 0, features->y_max, 0, 0);
}
input_set_abs_params(input_dev, ABS_MT_POSITION_X,
@@ -1851,8 +1950,11 @@ static const struct wacom_features wacom_features_0xF4 =
{ "Wacom Cintiq 24HD", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047,
63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xF8 =
- { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047,
- 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
+ { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047, /* Pen */
+ 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
+static const struct wacom_features wacom_features_0xF6 =
+ { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
+ .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10 };
static const struct wacom_features wacom_features_0x3F =
{ "Wacom Cintiq 21UX", WACOM_PKGLEN_INTUOS, 87200, 65600, 1023,
63, CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
@@ -2095,6 +2197,7 @@ const struct usb_device_id wacom_ids[] = {
{ USB_DEVICE_WACOM(0x47) },
{ USB_DEVICE_WACOM(0xF4) },
{ USB_DEVICE_WACOM(0xF8) },
+ { USB_DEVICE_WACOM(0xF6) },
{ USB_DEVICE_WACOM(0xFA) },
{ USB_DEVICE_LENOVO(0x6004) },
{ }
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index 96c185cc301e..345f1e76975e 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -29,6 +29,7 @@
/* wacom data size per MT contact */
#define WACOM_BYTES_PER_MT_PACKET 11
+#define WACOM_BYTES_PER_24HDT_PACKET 14
/* device IDs */
#define STYLUS_DEVICE_ID 0x02
@@ -49,6 +50,7 @@
#define WACOM_REPORT_TPCHID 15
#define WACOM_REPORT_TPCST 16
#define WACOM_REPORT_TPC1FGE 18
+#define WACOM_REPORT_24HDT 1
/* device quirks */
#define WACOM_QUIRK_MULTI_INPUT 0x0001
@@ -81,6 +83,7 @@ enum {
WACOM_MO,
WIRELESS,
BAMBOO_PT,
+ WACOM_24HDT,
TABLETPC, /* add new TPC below */
TABLETPCE,
TABLETPC2FG,
@@ -109,6 +112,8 @@ struct wacom_features {
int distance_fuzz;
unsigned quirks;
unsigned touch_max;
+ int oVid;
+ int oPid;
};
struct wacom_shared {
diff --git a/drivers/input/touchscreen/88pm860x-ts.c b/drivers/input/touchscreen/88pm860x-ts.c
index 05f30b73c3c3..326218dbd6e6 100644
--- a/drivers/input/touchscreen/88pm860x-ts.c
+++ b/drivers/input/touchscreen/88pm860x-ts.c
@@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/input.h>
@@ -113,14 +114,69 @@ static void pm860x_touch_close(struct input_dev *dev)
pm860x_set_bits(touch->i2c, MEAS_EN3, data, 0);
}
+#ifdef CONFIG_OF
+static int __devinit pm860x_touch_dt_init(struct platform_device *pdev,
+ struct pm860x_chip *chip,
+ int *res_x)
+{
+ struct device_node *np = pdev->dev.parent->of_node;
+ struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
+ : chip->companion;
+ int data, n, ret;
+ if (!np)
+ return -ENODEV;
+ np = of_find_node_by_name(np, "touch");
+ if (!np) {
+ dev_err(&pdev->dev, "Can't find touch node\n");
+ return -EINVAL;
+ }
+ /* set GPADC MISC1 register */
+ data = 0;
+ if (!of_property_read_u32(np, "marvell,88pm860x-gpadc-prebias", &n))
+ data |= (n << 1) & PM8607_GPADC_PREBIAS_MASK;
+ if (!of_property_read_u32(np, "marvell,88pm860x-gpadc-slot-cycle", &n))
+ data |= (n << 3) & PM8607_GPADC_SLOT_CYCLE_MASK;
+ if (!of_property_read_u32(np, "marvell,88pm860x-gpadc-off-scale", &n))
+ data |= (n << 5) & PM8607_GPADC_OFF_SCALE_MASK;
+ if (!of_property_read_u32(np, "marvell,88pm860x-gpadc-sw-cal", &n))
+ data |= (n << 7) & PM8607_GPADC_SW_CAL_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ /* set tsi prebias time */
+ if (!of_property_read_u32(np, "marvell,88pm860x-tsi-prebias", &data)) {
+ ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ /* set prebias & prechg time of pen detect */
+ data = 0;
+ if (!of_property_read_u32(np, "marvell,88pm860x-pen-prebias", &n))
+ data |= n & PM8607_PD_PREBIAS_MASK;
+ if (!of_property_read_u32(np, "marvell,88pm860x-pen-prechg", &n))
+ data |= n & PM8607_PD_PRECHG_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ of_property_read_u32(np, "marvell,88pm860x-resistor-X", res_x);
+ return 0;
+}
+#else
+#define pm860x_touch_dt_init(x, y, z) (-1)
+#endif
+
static int __devinit pm860x_touch_probe(struct platform_device *pdev)
{
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
- struct pm860x_platform_data *pm860x_pdata = \
- pdev->dev.parent->platform_data;
- struct pm860x_touch_pdata *pdata = NULL;
+ struct pm860x_touch_pdata *pdata = pdev->dev.platform_data;
struct pm860x_touch *touch;
- int irq, ret;
+ struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
+ : chip->companion;
+ int irq, ret, res_x = 0, data = 0;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -128,16 +184,55 @@ static int __devinit pm860x_touch_probe(struct platform_device *pdev)
return -EINVAL;
}
- if (!pm860x_pdata) {
- dev_err(&pdev->dev, "platform data is missing\n");
- return -EINVAL;
- }
-
- pdata = pm860x_pdata->touch;
- if (!pdata) {
- dev_err(&pdev->dev, "touchscreen data is missing\n");
- return -EINVAL;
+ if (pm860x_touch_dt_init(pdev, chip, &res_x)) {
+ if (pdata) {
+ /* set GPADC MISC1 register */
+ data = 0;
+ data |= (pdata->gpadc_prebias << 1)
+ & PM8607_GPADC_PREBIAS_MASK;
+ data |= (pdata->slot_cycle << 3)
+ & PM8607_GPADC_SLOT_CYCLE_MASK;
+ data |= (pdata->off_scale << 5)
+ & PM8607_GPADC_OFF_SCALE_MASK;
+ data |= (pdata->sw_cal << 7)
+ & PM8607_GPADC_SW_CAL_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c,
+ PM8607_GPADC_MISC1, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ /* set tsi prebias time */
+ if (pdata->tsi_prebias) {
+ data = pdata->tsi_prebias;
+ ret = pm860x_reg_write(i2c,
+ PM8607_TSI_PREBIAS, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ /* set prebias & prechg time of pen detect */
+ data = 0;
+ data |= pdata->pen_prebias
+ & PM8607_PD_PREBIAS_MASK;
+ data |= (pdata->pen_prechg << 5)
+ & PM8607_PD_PRECHG_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c,
+ PM8607_PD_PREBIAS, data);
+ if (ret < 0)
+ return -EINVAL;
+ }
+ res_x = pdata->res_x;
+ } else {
+ dev_err(&pdev->dev, "failed to get platform data\n");
+ return -EINVAL;
+ }
}
+ /* enable GPADC */
+ ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1, PM8607_GPADC_EN,
+ PM8607_GPADC_EN);
+ if (ret)
+ return ret;
touch = kzalloc(sizeof(struct pm860x_touch), GFP_KERNEL);
if (touch == NULL)
@@ -158,9 +253,9 @@ static int __devinit pm860x_touch_probe(struct platform_device *pdev)
touch->idev->open = pm860x_touch_open;
touch->idev->close = pm860x_touch_close;
touch->chip = chip;
- touch->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
- touch->irq = irq + chip->irq_base;
- touch->res_x = pdata->res_x;
+ touch->i2c = i2c;
+ touch->irq = irq;
+ touch->res_x = res_x;
input_set_drvdata(touch->idev, touch);
ret = request_threaded_irq(touch->irq, NULL, pm860x_touch_handler,
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 1ba232cbc09d..f7668b24c378 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -239,7 +239,7 @@ config TOUCHSCREEN_EETI
config TOUCHSCREEN_EGALAX
tristate "EETI eGalax multi-touch panel support"
- depends on I2C
+ depends on I2C && OF
help
Say Y here to enable support for I2C connected EETI
eGalax multi-touch panels.
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index e92615d0b1b0..1df2396af008 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -320,10 +320,8 @@ static bool mxt_object_writable(unsigned int type)
static void mxt_dump_message(struct device *dev,
struct mxt_message *message)
{
- dev_dbg(dev, "reportid: %u\tmessage: %02x %02x %02x %02x %02x %02x %02x\n",
- message->reportid, message->message[0], message->message[1],
- message->message[2], message->message[3], message->message[4],
- message->message[5], message->message[6]);
+ dev_dbg(dev, "reportid: %u\tmessage: %*ph\n",
+ message->reportid, 7, message->message);
}
static int mxt_check_bootloader(struct i2c_client *client,
diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c
index c1e3460f1195..13fa62fdfb0b 100644
--- a/drivers/input/touchscreen/egalax_ts.c
+++ b/drivers/input/touchscreen/egalax_ts.c
@@ -28,6 +28,7 @@
#include <linux/slab.h>
#include <linux/bitops.h>
#include <linux/input/mt.h>
+#include <linux/of_gpio.h>
/*
* Mouse Mode: some panel may configure the controller to mouse mode,
@@ -122,9 +123,17 @@ static irqreturn_t egalax_ts_interrupt(int irq, void *dev_id)
/* wake up controller by an falling edge of interrupt gpio. */
static int egalax_wake_up_device(struct i2c_client *client)
{
- int gpio = irq_to_gpio(client->irq);
+ struct device_node *np = client->dev.of_node;
+ int gpio;
int ret;
+ if (!np)
+ return -ENODEV;
+
+ gpio = of_get_named_gpio(np, "wakeup-gpios", 0);
+ if (!gpio_is_valid(gpio))
+ return -ENODEV;
+
ret = gpio_request(gpio, "egalax_irq");
if (ret < 0) {
dev_err(&client->dev,
@@ -181,7 +190,11 @@ static int __devinit egalax_ts_probe(struct i2c_client *client,
ts->input_dev = input_dev;
/* controller may be in sleep, wake it up. */
- egalax_wake_up_device(client);
+ error = egalax_wake_up_device(client);
+ if (error) {
+ dev_err(&client->dev, "Failed to wake up the controller\n");
+ goto err_free_dev;
+ }
ret = egalax_firmware_version(client);
if (ret < 0) {
@@ -274,11 +287,17 @@ static int egalax_ts_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(egalax_ts_pm_ops, egalax_ts_suspend, egalax_ts_resume);
+static struct of_device_id egalax_ts_dt_ids[] = {
+ { .compatible = "eeti,egalax_ts" },
+ { /* sentinel */ }
+};
+
static struct i2c_driver egalax_ts_driver = {
.driver = {
.name = "egalax_ts",
.owner = THIS_MODULE,
.pm = &egalax_ts_pm_ops,
+ .of_match_table = of_match_ptr(egalax_ts_dt_ids),
},
.id_table = egalax_ts_id,
.probe = egalax_ts_probe,
diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
index bf1a06400067..549fa29548f8 100644
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ b/drivers/input/touchscreen/s3c2410_ts.c
@@ -37,7 +37,7 @@
#include <plat/adc.h>
#include <plat/regs-adc.h>
-#include <plat/ts.h>
+#include <linux/platform_data/touchscreen-s3c2410.h>
#define TSC_SLEEP (S3C2410_ADCTSC_PULL_UP_DISABLE | S3C2410_ADCTSC_XY_PST(0))
@@ -406,7 +406,7 @@ static int s3c2410ts_resume(struct device *dev)
return 0;
}
-static struct dev_pm_ops s3c_ts_pmops = {
+static const struct dev_pm_ops s3c_ts_pmops = {
.suspend = s3c2410ts_suspend,
.resume = s3c2410ts_resume,
};
diff --git a/drivers/input/touchscreen/tsc40.c b/drivers/input/touchscreen/tsc40.c
index 63209aaa55f0..eb96f168fb9d 100644
--- a/drivers/input/touchscreen/tsc40.c
+++ b/drivers/input/touchscreen/tsc40.c
@@ -107,7 +107,6 @@ static int tsc_connect(struct serio *serio, struct serio_driver *drv)
__set_bit(BTN_TOUCH, input_dev->keybit);
input_set_abs_params(ptsc->dev, ABS_X, 0, 0x3ff, 0, 0);
input_set_abs_params(ptsc->dev, ABS_Y, 0, 0x3ff, 0, 0);
- input_set_abs_params(ptsc->dev, ABS_PRESSURE, 0, 0, 0, 0);
serio_set_drvdata(serio, ptsc);
diff --git a/drivers/input/touchscreen/wm831x-ts.c b/drivers/input/touchscreen/wm831x-ts.c
index e83410721e38..52abb98a8ae5 100644
--- a/drivers/input/touchscreen/wm831x-ts.c
+++ b/drivers/input/touchscreen/wm831x-ts.c
@@ -221,7 +221,7 @@ static void wm831x_ts_input_close(struct input_dev *idev)
synchronize_irq(wm831x_ts->pd_irq);
/* Make sure the IRQ completion work is quiesced */
- flush_work_sync(&wm831x_ts->pd_data_work);
+ flush_work(&wm831x_ts->pd_data_work);
/* If we ended up with the pen down then make sure we revert back
* to pen detection state for the next time we start up.

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