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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 14:45:47 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 14:45:47 -0800
commit31b6ca0af758a88e5e769b48cc6dde037ee37b96 (patch)
treee1968d7168affb25e33e2be2d1d102f94af98af0 /drivers/input
parent56b85f32d530d09d6805488ad00775d4e0e3baab (diff)
parent554738da71004d96e06fb75f4772dfc3b0f47810 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (58 commits) Input: wacom_w8001 - support pen or touch only devices Input: wacom_w8001 - use __set_bit to set keybits Input: bu21013_ts - fix misuse of logical operation in place of bitop Input: i8042 - add Acer Aspire 5100 to the Dritek list Input: wacom - add support for digitizer in Lenovo W700 Input: psmouse - disable the synaptics extension on OLPC machines Input: psmouse - fix up Synaptics comment Input: synaptics - ignore bogus mt packet Input: synaptics - add multi-finger and semi-mt support Input: synaptics - report clickpad property input: mt: Document interface updates Input: fix double equality sign in uevent Input: introduce device properties hid: egalax: Add support for Wetab (726b) Input: include MT library as source for kerneldoc MAINTAINERS: Update input-mt entry hid: egalax: Add support for Samsung NB30 netbook hid: egalax: Document the new devices in Kconfig hid: egalax: Add support for Wetab hid: egalax: Convert to MT slots ... Fixed up trivial conflict in drivers/input/keyboard/Kconfig
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/Makefile2
-rw-r--r--drivers/input/apm-power.c14
-rw-r--r--drivers/input/evbug.c18
-rw-r--r--drivers/input/evdev.c19
-rw-r--r--drivers/input/ff-core.c11
-rw-r--r--drivers/input/ff-memless.c31
-rw-r--r--drivers/input/gameport/gameport.c152
-rw-r--r--drivers/input/input-mt.c170
-rw-r--r--drivers/input/input-polldev.c5
-rw-r--r--drivers/input/input.c91
-rw-r--r--drivers/input/joydev.c4
-rw-r--r--drivers/input/joystick/iforce/Makefile15
-rw-r--r--drivers/input/joystick/xpad.c123
-rw-r--r--drivers/input/keyboard/Kconfig19
-rw-r--r--drivers/input/keyboard/Makefile1
-rw-r--r--drivers/input/keyboard/spear-keyboard.c344
-rw-r--r--drivers/input/keyboard/tca6416-keypad.c13
-rw-r--r--drivers/input/misc/Kconfig24
-rw-r--r--drivers/input/misc/Makefile2
-rw-r--r--drivers/input/misc/cma3000_d0x.c398
-rw-r--r--drivers/input/misc/cma3000_d0x.h42
-rw-r--r--drivers/input/misc/cma3000_d0x_i2c.c143
-rw-r--r--drivers/input/misc/pcf8574_keypad.c19
-rw-r--r--drivers/input/misc/uinput.c8
-rw-r--r--drivers/input/mouse/hgpk.c695
-rw-r--r--drivers/input/mouse/hgpk.h31
-rw-r--r--drivers/input/mouse/psmouse-base.c1
-rw-r--r--drivers/input/mouse/synaptics.c129
-rw-r--r--drivers/input/mouse/synaptics.h3
-rw-r--r--drivers/input/mousedev.c10
-rw-r--r--drivers/input/serio/ams_delta_serio.c1
-rw-r--r--drivers/input/serio/ct82c710.c8
-rw-r--r--drivers/input/serio/hil_mlc.c5
-rw-r--r--drivers/input/serio/hp_sdc_mlc.c18
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h37
-rw-r--r--drivers/input/serio/i8042.c92
-rw-r--r--drivers/input/serio/i8042.h14
-rw-r--r--drivers/input/serio/ps2mult.c2
-rw-r--r--drivers/input/serio/serio.c155
-rw-r--r--drivers/input/tablet/wacom.h1
-rw-r--r--drivers/input/tablet/wacom_wac.c33
-rw-r--r--drivers/input/tablet/wacom_wac.h4
-rw-r--r--drivers/input/touchscreen/Kconfig22
-rw-r--r--drivers/input/touchscreen/Makefile1
-rw-r--r--drivers/input/touchscreen/bu21013_ts.c2
-rw-r--r--drivers/input/touchscreen/qt602240_ts.c21
-rw-r--r--drivers/input/touchscreen/st1232.c274
-rw-r--r--drivers/input/touchscreen/wacom_w8001.c71
-rw-r--r--drivers/input/xen-kbdfront.c10
49 files changed, 2698 insertions, 610 deletions
diff --git a/drivers/input/Makefile b/drivers/input/Makefile
index 7ad212d31f9..09614ce7496 100644
--- a/drivers/input/Makefile
+++ b/drivers/input/Makefile
@@ -5,7 +5,7 @@
# Each configuration option enables a list of files.
obj-$(CONFIG_INPUT) += input-core.o
-input-core-objs := input.o input-compat.o ff-core.o
+input-core-y := input.o input-compat.o input-mt.o ff-core.o
obj-$(CONFIG_INPUT_FF_MEMLESS) += ff-memless.o
obj-$(CONFIG_INPUT_POLLDEV) += input-polldev.o
diff --git a/drivers/input/apm-power.c b/drivers/input/apm-power.c
index 7d61a966080..e90ee3d3061 100644
--- a/drivers/input/apm-power.c
+++ b/drivers/input/apm-power.c
@@ -9,6 +9,8 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/input.h>
#include <linux/slab.h>
@@ -23,8 +25,7 @@ static void system_power_event(unsigned int keycode)
switch (keycode) {
case KEY_SUSPEND:
apm_queue_event(APM_USER_SUSPEND);
-
- printk(KERN_INFO "apm-power: Requesting system suspend...\n");
+ pr_info("Requesting system suspend...\n");
break;
default:
break;
@@ -65,18 +66,15 @@ static int apmpower_connect(struct input_handler *handler,
error = input_register_handle(handle);
if (error) {
- printk(KERN_ERR
- "apm-power: Failed to register input power handler, "
- "error %d\n", error);
+ pr_err("Failed to register input power handler, error %d\n",
+ error);
kfree(handle);
return error;
}
error = input_open_device(handle);
if (error) {
- printk(KERN_ERR
- "apm-power: Failed to open input power device, "
- "error %d\n", error);
+ pr_err("Failed to open input power device, error %d\n", error);
input_unregister_handle(handle);
kfree(handle);
return error;
diff --git a/drivers/input/evbug.c b/drivers/input/evbug.c
index f7c5c14ec12..cd4e6679d61 100644
--- a/drivers/input/evbug.c
+++ b/drivers/input/evbug.c
@@ -26,6 +26,8 @@
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/input.h>
@@ -38,8 +40,8 @@ MODULE_LICENSE("GPL");
static void evbug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
{
- printk(KERN_DEBUG "evbug.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n",
- dev_name(&handle->dev->dev), type, code, value);
+ printk(KERN_DEBUG pr_fmt("Event. Dev: %s, Type: %d, Code: %d, Value: %d\n"),
+ dev_name(&handle->dev->dev), type, code, value);
}
static int evbug_connect(struct input_handler *handler, struct input_dev *dev,
@@ -64,10 +66,10 @@ static int evbug_connect(struct input_handler *handler, struct input_dev *dev,
if (error)
goto err_unregister_handle;
- printk(KERN_DEBUG "evbug.c: Connected device: %s (%s at %s)\n",
- dev_name(&dev->dev),
- dev->name ?: "unknown",
- dev->phys ?: "unknown");
+ printk(KERN_DEBUG pr_fmt("Connected device: %s (%s at %s)\n"),
+ dev_name(&dev->dev),
+ dev->name ?: "unknown",
+ dev->phys ?: "unknown");
return 0;
@@ -80,8 +82,8 @@ static int evbug_connect(struct input_handler *handler, struct input_dev *dev,
static void evbug_disconnect(struct input_handle *handle)
{
- printk(KERN_DEBUG "evbug.c: Disconnected device: %s\n",
- dev_name(&handle->dev->dev));
+ printk(KERN_DEBUG pr_fmt("Disconnected device: %s\n"),
+ dev_name(&handle->dev->dev));
input_close_device(handle);
input_unregister_handle(handle);
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 68f09a86843..c8471a2552e 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -8,6 +8,8 @@
* the Free Software Foundation.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#define EVDEV_MINOR_BASE 64
#define EVDEV_MINORS 32
#define EVDEV_MIN_BUFFER_SIZE 64U
@@ -522,12 +524,11 @@ static int handle_eviocgbit(struct input_dev *dev,
if (type == EV_KEY && size == OLD_KEY_MAX) {
len = OLD_KEY_MAX;
if (printk_timed_ratelimit(&keymax_warn_time, 10 * 1000))
- printk(KERN_WARNING
- "evdev.c(EVIOCGBIT): Suspicious buffer size %u, "
- "limiting output to %zu bytes. See "
- "http://userweb.kernel.org/~dtor/eviocgbit-bug.html\n",
- OLD_KEY_MAX,
- BITS_TO_LONGS(OLD_KEY_MAX) * sizeof(long));
+ pr_warning("(EVIOCGBIT): Suspicious buffer size %u, "
+ "limiting output to %zu bytes. See "
+ "http://userweb.kernel.org/~dtor/eviocgbit-bug.html\n",
+ OLD_KEY_MAX,
+ BITS_TO_LONGS(OLD_KEY_MAX) * sizeof(long));
}
return bits_to_user(bits, len, size, p, compat_mode);
@@ -686,6 +687,10 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
#define EVIOC_MASK_SIZE(nr) ((nr) & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT))
switch (EVIOC_MASK_SIZE(cmd)) {
+ case EVIOCGPROP(0):
+ return bits_to_user(dev->propbit, INPUT_PROP_MAX,
+ size, p, compat_mode);
+
case EVIOCGKEY(0):
return bits_to_user(dev->key, KEY_MAX, size, p, compat_mode);
@@ -897,7 +902,7 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
break;
if (minor == EVDEV_MINORS) {
- printk(KERN_ERR "evdev: no more free evdev devices\n");
+ pr_err("no more free evdev devices\n");
return -ENFILE;
}
diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c
index 03078c08309..3367f760d75 100644
--- a/drivers/input/ff-core.c
+++ b/drivers/input/ff-core.c
@@ -23,7 +23,7 @@
/* #define DEBUG */
-#define debug(format, arg...) pr_debug("ff-core: " format "\n", ## arg)
+#define pr_fmt(fmt) KBUILD_BASENAME ": " fmt
#include <linux/input.h>
#include <linux/module.h>
@@ -116,7 +116,7 @@ int input_ff_upload(struct input_dev *dev, struct ff_effect *effect,
if (effect->type < FF_EFFECT_MIN || effect->type > FF_EFFECT_MAX ||
!test_bit(effect->type, dev->ffbit)) {
- debug("invalid or not supported effect type in upload");
+ pr_debug("invalid or not supported effect type in upload\n");
return -EINVAL;
}
@@ -124,7 +124,7 @@ int input_ff_upload(struct input_dev *dev, struct ff_effect *effect,
(effect->u.periodic.waveform < FF_WAVEFORM_MIN ||
effect->u.periodic.waveform > FF_WAVEFORM_MAX ||
!test_bit(effect->u.periodic.waveform, dev->ffbit))) {
- debug("invalid or not supported wave form in upload");
+ pr_debug("invalid or not supported wave form in upload\n");
return -EINVAL;
}
@@ -246,7 +246,7 @@ static int flush_effects(struct input_dev *dev, struct file *file)
struct ff_device *ff = dev->ff;
int i;
- debug("flushing now");
+ pr_debug("flushing now\n");
mutex_lock(&ff->mutex);
@@ -315,8 +315,7 @@ int input_ff_create(struct input_dev *dev, int max_effects)
int i;
if (!max_effects) {
- printk(KERN_ERR
- "ff-core: cannot allocate device without any effects\n");
+ pr_err("cannot allocate device without any effects\n");
return -EINVAL;
}
diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c
index 1d881c96ba8..117a59aaa70 100644
--- a/drivers/input/ff-memless.c
+++ b/drivers/input/ff-memless.c
@@ -23,7 +23,7 @@
/* #define DEBUG */
-#define debug(format, arg...) pr_debug("ff-memless: " format "\n", ## arg)
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/slab.h>
#include <linux/input.h>
@@ -129,7 +129,7 @@ static void ml_schedule_timer(struct ml_device *ml)
int events = 0;
int i;
- debug("calculating next timer");
+ pr_debug("calculating next timer\n");
for (i = 0; i < FF_MEMLESS_EFFECTS; i++) {
@@ -149,10 +149,10 @@ static void ml_schedule_timer(struct ml_device *ml)
}
if (!events) {
- debug("no actions");
+ pr_debug("no actions\n");
del_timer(&ml->timer);
} else {
- debug("timer set");
+ pr_debug("timer set\n");
mod_timer(&ml->timer, earliest);
}
}
@@ -173,8 +173,8 @@ static int apply_envelope(struct ml_effect_state *state, int value,
if (envelope->attack_length &&
time_before(now,
state->play_at + msecs_to_jiffies(envelope->attack_length))) {
- debug("value = 0x%x, attack_level = 0x%x", value,
- envelope->attack_level);
+ pr_debug("value = 0x%x, attack_level = 0x%x\n",
+ value, envelope->attack_level);
time_from_level = jiffies_to_msecs(now - state->play_at);
time_of_envelope = envelope->attack_length;
envelope_level = min_t(__s16, envelope->attack_level, 0x7fff);
@@ -191,13 +191,13 @@ static int apply_envelope(struct ml_effect_state *state, int value,
difference = abs(value) - envelope_level;
- debug("difference = %d", difference);
- debug("time_from_level = 0x%x", time_from_level);
- debug("time_of_envelope = 0x%x", time_of_envelope);
+ pr_debug("difference = %d\n", difference);
+ pr_debug("time_from_level = 0x%x\n", time_from_level);
+ pr_debug("time_of_envelope = 0x%x\n", time_of_envelope);
difference = difference * time_from_level / time_of_envelope;
- debug("difference = %d", difference);
+ pr_debug("difference = %d\n", difference);
return value < 0 ?
-(difference + envelope_level) : (difference + envelope_level);
@@ -215,8 +215,7 @@ static int get_compatible_type(struct ff_device *ff, int effect_type)
if (effect_type == FF_PERIODIC && test_bit(FF_RUMBLE, ff->ffbit))
return FF_RUMBLE;
- printk(KERN_ERR
- "ff-memless: invalid type in get_compatible_type()\n");
+ pr_err("invalid type in get_compatible_type()\n");
return 0;
}
@@ -312,7 +311,7 @@ static void ml_combine_effects(struct ff_effect *effect,
break;
default:
- printk(KERN_ERR "ff-memless: invalid type in ml_combine_effects()\n");
+ pr_err("invalid type in ml_combine_effects()\n");
break;
}
@@ -406,7 +405,7 @@ static void ml_effect_timer(unsigned long timer_data)
struct ml_device *ml = dev->ff->private;
unsigned long flags;
- debug("timer: updating effects");
+ pr_debug("timer: updating effects\n");
spin_lock_irqsave(&dev->event_lock, flags);
ml_play_effects(ml);
@@ -438,7 +437,7 @@ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value)
struct ml_effect_state *state = &ml->states[effect_id];
if (value > 0) {
- debug("initiated play");
+ pr_debug("initiated play\n");
__set_bit(FF_EFFECT_STARTED, &state->flags);
state->count = value;
@@ -449,7 +448,7 @@ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value)
state->adj_at = state->play_at;
} else {
- debug("initiated stop");
+ pr_debug("initiated stop\n");
if (test_bit(FF_EFFECT_PLAYING, &state->flags))
__set_bit(FF_EFFECT_ABORTING, &state->flags);
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 46239e47a26..dbf741c9583 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -18,13 +18,11 @@
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/gameport.h>
-#include <linux/wait.h>
#include <linux/slab.h>
#include <linux/delay.h>
-#include <linux/kthread.h>
+#include <linux/workqueue.h>
#include <linux/sched.h> /* HZ */
#include <linux/mutex.h>
-#include <linux/freezer.h>
/*#include <asm/io.h>*/
@@ -234,58 +232,22 @@ struct gameport_event {
static DEFINE_SPINLOCK(gameport_event_lock); /* protects gameport_event_list */
static LIST_HEAD(gameport_event_list);
-static DECLARE_WAIT_QUEUE_HEAD(gameport_wait);
-static struct task_struct *gameport_task;
-static int gameport_queue_event(void *object, struct module *owner,
- enum gameport_event_type event_type)
+static struct gameport_event *gameport_get_event(void)
{
+ struct gameport_event *event = NULL;
unsigned long flags;
- struct gameport_event *event;
- int retval = 0;
spin_lock_irqsave(&gameport_event_lock, flags);
- /*
- * Scan event list for the other events for the same gameport port,
- * starting with the most recent one. If event is the same we
- * do not need add new one. If event is of different type we
- * need to add this event and should not look further because
- * we need to preseve sequence of distinct events.
- */
- list_for_each_entry_reverse(event, &gameport_event_list, node) {
- if (event->object == object) {
- if (event->type == event_type)
- goto out;
- break;
- }
- }
-
- event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC);
- if (!event) {
- pr_err("Not enough memory to queue event %d\n", event_type);
- retval = -ENOMEM;
- goto out;
- }
-
- if (!try_module_get(owner)) {
- pr_warning("Can't get module reference, dropping event %d\n",
- event_type);
- kfree(event);
- retval = -EINVAL;
- goto out;
+ if (!list_empty(&gameport_event_list)) {
+ event = list_first_entry(&gameport_event_list,
+ struct gameport_event, node);
+ list_del_init(&event->node);
}
- event->type = event_type;
- event->object = object;
- event->owner = owner;
-
- list_add_tail(&event->node, &gameport_event_list);
- wake_up(&gameport_wait);
-
-out:
spin_unlock_irqrestore(&gameport_event_lock, flags);
- return retval;
+ return event;
}
static void gameport_free_event(struct gameport_event *event)
@@ -319,24 +281,8 @@ static void gameport_remove_duplicate_events(struct gameport_event *event)
spin_unlock_irqrestore(&gameport_event_lock, flags);
}
-static struct gameport_event *gameport_get_event(void)
-{
- struct gameport_event *event = NULL;
- unsigned long flags;
-
- spin_lock_irqsave(&gameport_event_lock, flags);
-
- if (!list_empty(&gameport_event_list)) {
- event = list_first_entry(&gameport_event_list,
- struct gameport_event, node);
- list_del_init(&event->node);
- }
-
- spin_unlock_irqrestore(&gameport_event_lock, flags);
- return event;
-}
-static void gameport_handle_event(void)
+static void gameport_handle_events(struct work_struct *work)
{
struct gameport_event *event;
@@ -368,6 +314,59 @@ static void gameport_handle_event(void)
mutex_unlock(&gameport_mutex);
}
+static DECLARE_WORK(gameport_event_work, gameport_handle_events);
+
+static int gameport_queue_event(void *object, struct module *owner,
+ enum gameport_event_type event_type)
+{
+ unsigned long flags;
+ struct gameport_event *event;
+ int retval = 0;
+
+ spin_lock_irqsave(&gameport_event_lock, flags);
+
+ /*
+ * Scan event list for the other events for the same gameport port,
+ * starting with the most recent one. If event is the same we
+ * do not need add new one. If event is of different type we
+ * need to add this event and should not look further because
+ * we need to preserve sequence of distinct events.
+ */
+ list_for_each_entry_reverse(event, &gameport_event_list, node) {
+ if (event->object == object) {
+ if (event->type == event_type)
+ goto out;
+ break;
+ }
+ }
+
+ event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC);
+ if (!event) {
+ pr_err("Not enough memory to queue event %d\n", event_type);
+ retval = -ENOMEM;
+ goto out;
+ }
+
+ if (!try_module_get(owner)) {
+ pr_warning("Can't get module reference, dropping event %d\n",
+ event_type);
+ kfree(event);
+ retval = -EINVAL;
+ goto out;
+ }
+
+ event->type = event_type;
+ event->object = object;
+ event->owner = owner;
+
+ list_add_tail(&event->node, &gameport_event_list);
+ schedule_work(&gameport_event_work);
+
+out:
+ spin_unlock_irqrestore(&gameport_event_lock, flags);
+ return retval;
+}
+
/*
* Remove all events that have been submitted for a given object,
* be it a gameport port or a driver.
@@ -419,19 +418,6 @@ static struct gameport *gameport_get_pending_child(struct gameport *parent)
return child;
}
-static int gameport_thread(void *nothing)
-{
- set_freezable();
- do {
- gameport_handle_event();
- wait_event_freezable(gameport_wait,
- kthread_should_stop() || !list_empty(&gameport_event_list));
- } while (!kthread_should_stop());
-
- return 0;
-}
-
-
/*
* Gameport port operations
*/
@@ -814,13 +800,6 @@ static int __init gameport_init(void)
return error;
}
- gameport_task = kthread_run(gameport_thread, NULL, "kgameportd");
- if (IS_ERR(gameport_task)) {
- bus_unregister(&gameport_bus);
- error = PTR_ERR(gameport_task);
- pr_err("Failed to start kgameportd, error: %d\n", error);
- return error;
- }
return 0;
}
@@ -828,7 +807,12 @@ static int __init gameport_init(void)
static void __exit gameport_exit(void)
{
bus_unregister(&gameport_bus);
- kthread_stop(gameport_task);
+
+ /*
+ * There should not be any outstanding events but work may
+ * still be scheduled so simply cancel it.
+ */
+ cancel_work_sync(&gameport_event_work);
}
subsys_initcall(gameport_init);
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
new file mode 100644
index 00000000000..c48c81f0308
--- /dev/null
+++ b/drivers/input/input-mt.c
@@ -0,0 +1,170 @@
+/*
+ * Input Multitouch Library
+ *
+ * Copyright (c) 2008-2010 Henrik Rydberg
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/input/mt.h>
+#include <linux/slab.h>
+
+#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
+
+/**
+ * input_mt_init_slots() - initialize MT input slots
+ * @dev: input device supporting MT events and finger tracking
+ * @num_slots: number of slots used by the device
+ *
+ * This function allocates all necessary memory for MT slot handling
+ * in the input device, prepares the ABS_MT_SLOT and
+ * ABS_MT_TRACKING_ID events for use and sets up appropriate buffers.
+ * May be called repeatedly. Returns -EINVAL if attempting to
+ * reinitialize with a different number of slots.
+ */
+int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots)
+{
+ int i;
+
+ if (!num_slots)
+ return 0;
+ if (dev->mt)
+ return dev->mtsize != num_slots ? -EINVAL : 0;
+
+ dev->mt = kcalloc(num_slots, sizeof(struct input_mt_slot), GFP_KERNEL);
+ if (!dev->mt)
+ return -ENOMEM;
+
+ dev->mtsize = num_slots;
+ input_set_abs_params(dev, ABS_MT_SLOT, 0, num_slots - 1, 0, 0);
+ input_set_abs_params(dev, ABS_MT_TRACKING_ID, 0, TRKID_MAX, 0, 0);
+ input_set_events_per_packet(dev, 6 * num_slots);
+
+ /* Mark slots as 'unused' */
+ for (i = 0; i < num_slots; i++)
+ input_mt_set_value(&dev->mt[i], ABS_MT_TRACKING_ID, -1);
+
+ return 0;
+}
+EXPORT_SYMBOL(input_mt_init_slots);
+
+/**
+ * input_mt_destroy_slots() - frees the MT slots of the input device
+ * @dev: input device with allocated MT slots
+ *
+ * This function is only needed in error path as the input core will
+ * automatically free the MT slots when the device is destroyed.
+ */
+void input_mt_destroy_slots(struct input_dev *dev)
+{
+ kfree(dev->mt);
+ dev->mt = NULL;
+ dev->mtsize = 0;
+ dev->slot = 0;
+ dev->trkid = 0;
+}
+EXPORT_SYMBOL(input_mt_destroy_slots);
+
+/**
+ * input_mt_report_slot_state() - report contact state
+ * @dev: input device with allocated MT slots
+ * @tool_type: the tool type to use in this slot
+ * @active: true if contact is active, false otherwise
+ *
+ * Reports a contact via ABS_MT_TRACKING_ID, and optionally
+ * ABS_MT_TOOL_TYPE. If active is true and the slot is currently
+ * inactive, or if the tool type is changed, a new tracking id is
+ * assigned to the slot. The tool type is only reported if the
+ * corresponding absbit field is set.
+ */
+void input_mt_report_slot_state(struct input_dev *dev,
+ unsigned int tool_type, bool active)
+{
+ struct input_mt_slot *mt;
+ int id;
+
+ if (!dev->mt || !active) {
+ input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1);
+ return;
+ }
+
+ mt = &dev->mt[dev->slot];
+ id = input_mt_get_value(mt, ABS_MT_TRACKING_ID);
+ if (id < 0 || input_mt_get_value(mt, ABS_MT_TOOL_TYPE) != tool_type)
+ id = input_mt_new_trkid(dev);
+
+ input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, id);
+ input_event(dev, EV_ABS, ABS_MT_TOOL_TYPE, tool_type);
+}
+EXPORT_SYMBOL(input_mt_report_slot_state);
+
+/**
+ * input_mt_report_finger_count() - report contact count
+ * @dev: input device with allocated MT slots
+ * @count: the number of contacts
+ *
+ * Reports the contact count via BTN_TOOL_FINGER, BTN_TOOL_DOUBLETAP,
+ * BTN_TOOL_TRIPLETAP and BTN_TOOL_QUADTAP.
+ *
+ * The input core ensures only the KEY events already setup for
+ * this device will produce output.
+ */
+void input_mt_report_finger_count(struct input_dev *dev, int count)
+{
+ input_event(dev, EV_KEY, BTN_TOOL_FINGER, count == 1);
+ input_event(dev, EV_KEY, BTN_TOOL_DOUBLETAP, count == 2);
+ input_event(dev, EV_KEY, BTN_TOOL_TRIPLETAP, count == 3);
+ input_event(dev, EV_KEY, BTN_TOOL_QUADTAP, count == 4);
+}
+EXPORT_SYMBOL(input_mt_report_finger_count);
+
+/**
+ * input_mt_report_pointer_emulation() - common pointer emulation
+ * @dev: input device with allocated MT slots
+ * @use_count: report number of active contacts as finger count
+ *
+ * Performs legacy pointer emulation via BTN_TOUCH, ABS_X, ABS_Y and
+ * ABS_PRESSURE. Touchpad finger count is emulated if use_count is true.
+ *
+ * The input core ensures only the KEY and ABS axes already setup for
+ * this device will produce output.
+ */
+void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count)
+{
+ struct input_mt_slot *oldest = 0;
+ int oldid = dev->trkid;
+ int count = 0;
+ int i;
+
+ for (i = 0; i < dev->mtsize; ++i) {
+ struct input_mt_slot *ps = &dev->mt[i];
+ int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
+
+ if (id < 0)
+ continue;
+ if ((id - oldid) & TRKID_SGN) {
+ oldest = ps;
+ oldid = id;
+ }
+ count++;
+ }
+
+ input_event(dev, EV_KEY, BTN_TOUCH, count > 0);
+ if (use_count)
+ input_mt_report_finger_count(dev, count);
+
+ if (oldest) {
+ int x = input_mt_get_value(oldest, ABS_MT_POSITION_X);
+ int y = input_mt_get_value(oldest, ABS_MT_POSITION_Y);
+ int p = input_mt_get_value(oldest, ABS_MT_PRESSURE);
+
+ input_event(dev, EV_ABS, ABS_X, x);
+ input_event(dev, EV_ABS, ABS_Y, y);
+ input_event(dev, EV_ABS, ABS_PRESSURE, p);
+ } else {
+ input_event(dev, EV_ABS, ABS_PRESSURE, 0);
+ }
+}
+EXPORT_SYMBOL(input_mt_report_pointer_emulation);
diff --git a/drivers/input/input-polldev.c b/drivers/input/input-polldev.c
index 10c9b0a845f..0559e309bac 100644
--- a/drivers/input/input-polldev.c
+++ b/drivers/input/input-polldev.c
@@ -8,6 +8,8 @@
* the Free Software Foundation.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/jiffies.h>
#include <linux/slab.h>
#include <linux/mutex.h>
@@ -33,8 +35,7 @@ static int input_polldev_start_workqueue(void)
if (!polldev_users) {
polldev_wq = create_singlethread_workqueue("ipolldevd");
if (!polldev_wq) {
- printk(KERN_ERR "input-polldev: failed to create "
- "ipolldevd workqueue\n");
+ pr_err("failed to create ipolldevd workqueue\n");
retval = -ENOMEM;
goto out;
}
diff --git a/drivers/input/input.c b/drivers/input/input.c
index db409d6bd5d..7985114beac 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -10,9 +10,11 @@
* the Free Software Foundation.
*/
+#define pr_fmt(fmt) KBUILD_BASENAME ": " fmt
+
#include <linux/init.h>
#include <linux/types.h>
-#include <linux/input.h>
+#include <linux/input/mt.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/random.h>
@@ -958,10 +960,8 @@ static int input_attach_handler(struct input_dev *dev, struct input_handler *han
error = handler->connect(handler, dev, id);
if (error && error != -ENODEV)
- printk(KERN_ERR
- "input: failed to attach handler %s to device %s, "
- "error: %d\n",
- handler->name, kobject_name(&dev->dev.kobj), error);
+ pr_err("failed to attach handler %s to device %s, error: %d\n",
+ handler->name, kobject_name(&dev->dev.kobj), error);
return error;
}
@@ -1109,6 +1109,8 @@ static int input_devices_seq_show(struct seq_file *seq, void *v)
seq_printf(seq, "%s ", handle->name);
seq_putc(seq, '\n');
+ input_seq_print_bitmap(seq, "PROP", dev->propbit, INPUT_PROP_MAX);
+
input_seq_print_bitmap(seq, "EV", dev->evbit, EV_MAX);
if (test_bit(EV_KEY, dev->evbit))
input_seq_print_bitmap(seq, "KEY", dev->keybit, KEY_MAX);
@@ -1332,11 +1334,26 @@ static ssize_t input_dev_show_modalias(struct device *dev,
}
static DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
+static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
+ int max, int add_cr);
+
+static ssize_t input_dev_show_properties(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct input_dev *input_dev = to_input_dev(dev);
+ int len = input_print_bitmap(buf, PAGE_SIZE, input_dev->propbit,
+ INPUT_PROP_MAX, true);
+ return min_t(int, len, PAGE_SIZE);
+}
+static DEVICE_ATTR(properties, S_IRUGO, input_dev_show_properties, NULL);
+
static struct attribute *input_dev_attrs[] = {
&dev_attr_name.attr,
&dev_attr_phys.attr,
&dev_attr_uniq.attr,
&dev_attr_modalias.attr,
+ &dev_attr_properties.attr,
NULL
};
@@ -1470,7 +1487,7 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
{
int len;
- if (add_uevent_var(env, "%s=", name))
+ if (add_uevent_var(env, "%s", name))
return -ENOMEM;
len = input_print_bitmap(&env->buf[env->buflen - 1],
@@ -1536,6 +1553,8 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
if (dev->uniq)
INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq);
+ INPUT_ADD_HOTPLUG_BM_VAR("PROP=", dev->propbit, INPUT_PROP_MAX);
+
INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX);
if (test_bit(EV_KEY, dev->evbit))
INPUT_ADD_HOTPLUG_BM_VAR("KEY=", dev->keybit, KEY_MAX);
@@ -1725,52 +1744,6 @@ void input_free_device(struct input_dev *dev)
EXPORT_SYMBOL(input_free_device);
/**
- * input_mt_create_slots() - create MT input slots
- * @dev: input device supporting MT events and finger tracking
- * @num_slots: number of slots used by the device
- *
- * This function allocates all necessary memory for MT slot handling in the
- * input device, and adds ABS_MT_SLOT to the device capabilities. All slots
- * are initially marked as unused by setting ABS_MT_TRACKING_ID to -1.
- */
-int input_mt_create_slots(struct input_dev *dev, unsigned int num_slots)
-{
- int i;
-
- if (!num_slots)
- return 0;
-
- dev->mt = kcalloc(num_slots, sizeof(struct input_mt_slot), GFP_KERNEL);
- if (!dev->mt)
- return -ENOMEM;
-
- dev->mtsize = num_slots;
- input_set_abs_params(dev, ABS_MT_SLOT, 0, num_slots - 1, 0, 0);
-
- /* Mark slots as 'unused' */
- for (i = 0; i < num_slots; i++)
- dev->mt[i].abs[ABS_MT_TRACKING_ID - ABS_MT_FIRST] = -1;
-
- return 0;
-}
-EXPORT_SYMBOL(input_mt_create_slots);
-
-/**
- * input_mt_destroy_slots() - frees the MT slots of the input device
- * @dev: input device with allocated MT slots
- *
- * This function is only needed in error path as the input core will
- * automatically free the MT slots when the device is destroyed.
- */
-void input_mt_destroy_slots(struct input_dev *dev)
-{
- kfree(dev->mt);
- dev->mt = NULL;
- dev->mtsize = 0;
-}
-EXPORT_SYMBOL(input_mt_destroy_slots);
-
-/**
* input_set_capability - mark device as capable of a certain event
* @dev: device that is capable of emitting or accepting event
* @type: type of the event (EV_KEY, EV_REL, etc...)
@@ -1819,9 +1792,8 @@ void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int
break;
default:
- printk(KERN_ERR
- "input_set_capability: unknown type %u (code %u)\n",
- type, code);
+ pr_err("input_set_capability: unknown type %u (code %u)\n",
+ type, code);
dump_stack();
return;
}
@@ -1903,8 +1875,9 @@ int input_register_device(struct input_dev *dev)
return error;
path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
- printk(KERN_INFO "input: %s as %s\n",
- dev->name ? dev->name : "Unspecified device", path ? path : "N/A");
+ pr_info("%s as %s\n",
+ dev->name ? dev->name : "Unspecified device",
+ path ? path : "N/A");
kfree(path);
error = mutex_lock_interruptible(&input_mutex);
@@ -2186,7 +2159,7 @@ static int __init input_init(void)
err = class_register(&input_class);
if (err) {
- printk(KERN_ERR "input: unable to register input_dev class\n");
+ pr_err("unable to register input_dev class\n");
return err;
}
@@ -2196,7 +2169,7 @@ static int __init input_init(void)
err = register_chrdev(INPUT_MAJOR, "input", &input_fops);
if (err) {
- printk(KERN_ERR "input: unable to register char major %d", INPUT_MAJOR);
+ pr_err("unable to register char major %d", INPUT_MAJOR);
goto fail2;
}
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 9d424cebfd2..3182c9cd1b0 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -10,6 +10,8 @@
* (at your option) any later version.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <asm/io.h>
#include <asm/system.h>
#include <linux/delay.h>
@@ -806,7 +808,7 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
break;
if (minor == JOYDEV_MINORS) {
- printk(KERN_ERR "joydev: no more free joydev devices\n");
+ pr_err("no more free joydev devices\n");
return -ENFILE;
}
diff --git a/drivers/input/joystick/iforce/Makefile b/drivers/input/joystick/iforce/Makefile
index 74daff49ab6..bc5bda22f15 100644
--- a/drivers/input/joystick/iforce/Makefile
+++ b/drivers/input/joystick/iforce/Makefile
@@ -4,17 +4,8 @@
# By Johann Deneux <johann.deneux@gmail.com>
#
-# Goal definition
-iforce-objs := iforce-ff.o iforce-main.o iforce-packets.o
-
obj-$(CONFIG_JOYSTICK_IFORCE) += iforce.o
-ifeq ($(CONFIG_JOYSTICK_IFORCE_232),y)
- iforce-objs += iforce-serio.o
-endif
-
-ifeq ($(CONFIG_JOYSTICK_IFORCE_USB),y)
- iforce-objs += iforce-usb.o
-endif
-
-EXTRA_CFLAGS = -Werror-implicit-function-declaration
+iforce-y := iforce-ff.o iforce-main.o iforce-packets.o
+iforce-$(CONFIG_JOYSTICK_IFORCE_232) += iforce-serio.o
+iforce-$(CONFIG_JOYSTICK_IFORCE_USB) += iforce-usb.o
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index f9fb7fa10af..56abf3d0e91 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -543,21 +543,25 @@ exit:
static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
{
struct usb_endpoint_descriptor *ep_irq_out;
- int error = -ENOMEM;
+ int error;
if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX)
return 0;
xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
GFP_KERNEL, &xpad->odata_dma);
- if (!xpad->odata)
+ if (!xpad->odata) {
+ error = -ENOMEM;
goto fail1;
+ }
mutex_init(&xpad->odata_mutex);
xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
- if (!xpad->irq_out)
+ if (!xpad->irq_out) {
+ error = -ENOMEM;
goto fail2;
+ }
ep_irq_out = &intf->cur_altsetting->endpoint[1].desc;
usb_fill_int_urb(xpad->irq_out, xpad->udev,
@@ -728,7 +732,7 @@ static void xpad_led_disconnect(struct usb_xpad *xpad)
if (xpad_led) {
led_classdev_unregister(&xpad_led->led_cdev);
- kfree(xpad_led->name);
+ kfree(xpad_led);
}
}
#else
@@ -756,8 +760,9 @@ static void xpad_close(struct input_dev *dev)
{
struct usb_xpad *xpad = input_get_drvdata(dev);
- if(xpad->xtype != XTYPE_XBOX360W)
+ if (xpad->xtype != XTYPE_XBOX360W)
usb_kill_urb(xpad->irq_in);
+
xpad_stop_output(xpad);
}
@@ -789,8 +794,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
struct usb_xpad *xpad;
struct input_dev *input_dev;
struct usb_endpoint_descriptor *ep_irq_in;
- int i;
- int error = -ENOMEM;
+ int i, error;
for (i = 0; xpad_device[i].idVendor; i++) {
if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
@@ -800,17 +804,23 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
input_dev = input_allocate_device();
- if (!xpad || !input_dev)
+ if (!xpad || !input_dev) {
+ error = -ENOMEM;
goto fail1;
+ }
xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN,
GFP_KERNEL, &xpad->idata_dma);
- if (!xpad->idata)
+ if (!xpad->idata) {
+ error = -ENOMEM;
goto fail1;
+ }
xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
- if (!xpad->irq_in)
+ if (!xpad->irq_in) {
+ error = -ENOMEM;
goto fail2;
+ }
xpad->udev = udev;
xpad->mapping = xpad_device[i].mapping;
@@ -887,15 +897,15 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
error = xpad_init_output(intf, xpad);
if (error)
- goto fail2;
+ goto fail3;
error = xpad_init_ff(xpad);
if (error)
- goto fail3;
+ goto fail4;
error = xpad_led_probe(xpad);
if (error)
- goto fail3;
+ goto fail5;
ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
usb_fill_int_urb(xpad->irq_in, udev,
@@ -907,34 +917,26 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
error = input_register_device(xpad->dev);
if (error)
- goto fail4;
+ goto fail6;
usb_set_intfdata(intf, xpad);
- /*
- * Submit the int URB immediatly rather than waiting for open
- * because we get status messages from the device whether
- * or not any controllers are attached. In fact, it's
- * exactly the message that a controller has arrived that
- * we're waiting for.
- */
if (xpad->xtype == XTYPE_XBOX360W) {
- xpad->irq_in->dev = xpad->udev;
- error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
- if (error)
- goto fail4;
-
/*
* Setup the message to set the LEDs on the
* controller when it shows up
*/
xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL);
- if(!xpad->bulk_out)
- goto fail5;
+ if (!xpad->bulk_out) {
+ error = -ENOMEM;
+ goto fail7;
+ }
xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL);
- if(!xpad->bdata)
- goto fail6;
+ if (!xpad->bdata) {
+ error = -ENOMEM;
+ goto fail8;
+ }
xpad->bdata[2] = 0x08;
switch (intf->cur_altsetting->desc.bInterfaceNumber) {
@@ -955,14 +957,31 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
usb_fill_bulk_urb(xpad->bulk_out, udev,
usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress),
xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad);
+
+ /*
+ * Submit the int URB immediately rather than waiting for open
+ * because we get status messages from the device whether
+ * or not any controllers are attached. In fact, it's
+ * exactly the message that a controller has arrived that
+ * we're waiting for.
+ */
+ xpad->irq_in->dev = xpad->udev;
+ error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
+ if (error)
+ goto fail9;
}
return 0;
- fail6: usb_free_urb(xpad->bulk_out);
- fail5: usb_kill_urb(xpad->irq_in);
- fail4: usb_free_urb(xpad->irq_in);
- fail3: xpad_deinit_output(xpad);
+ fail9: kfree(xpad->bdata);
+ fail8: usb_free_urb(xpad->bulk_out);
+ fail7: input_unregister_device(input_dev);
+ input_dev = NULL;
+ fail6: xpad_led_disconnect(xpad);
+ fail5: if (input_dev)
+ input_ff_destroy(input_dev);
+ fail4: xpad_deinit_output(xpad);
+ fail3: usb_free_urb(xpad->irq_in);
fail2: usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
fail1: input_free_device(input_dev);
kfree(xpad);
@@ -974,21 +993,24 @@ static void xpad_disconnect(struct usb_interface *intf)
{
struct usb_xpad *xpad = usb_get_intfdata (intf);
- usb_set_intfdata(intf, NULL);
- if (xpad) {
- xpad_led_disconnect(xpad);
- input_unregister_device(xpad->dev);
- xpad_deinit_output(xpad);
- if (xpad->xtype == XTYPE_XBOX360W) {
- usb_kill_urb(xpad->bulk_out);
- usb_free_urb(xpad->bulk_out);
- usb_kill_urb(xpad->irq_in);
- }
- usb_free_urb(xpad->irq_in);
- usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
- xpad->idata, xpad->idata_dma);
- kfree(xpad);
+ xpad_led_disconnect(xpad);
+ input_unregister_device(xpad->dev);
+ xpad_deinit_output(xpad);
+
+ if (xpad->xtype == XTYPE_XBOX360W) {
+ usb_kill_urb(xpad->bulk_out);
+ usb_free_urb(xpad->bulk_out);
+ usb_kill_urb(xpad->irq_in);
}
+
+ usb_free_urb(xpad->irq_in);
+ usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
+ xpad->idata, xpad->idata_dma);
+
+ kfree(xpad->bdata);
+ kfree(xpad);
+
+ usb_set_intfdata(intf, NULL);
}
static struct usb_driver xpad_driver = {
@@ -1000,10 +1022,7 @@ static struct usb_driver xpad_driver = {
static int __init usb_xpad_init(void)
{
- int result = usb_register(&xpad_driver);
- if (result == 0)
- printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
- return result;
+ return usb_register(&xpad_driver);
}
static void __exit usb_xpad_exit(void)
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index c76bd3183be..f829998fabe 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -196,20 +196,22 @@ config KEYBOARD_GPIO_POLLED
module will be called gpio_keys_polled.
config KEYBOARD_TCA6416
- tristate "TCA6416 Keypad Support"
+ tristate "TCA6416/TCA6408A Keypad Support"
depends on I2C
help
This driver implements basic keypad functionality
- for keys connected through TCA6416 IO expander
+ for keys connected through TCA6416/TCA6408A IO expanders.
Say Y here if your device has keys connected to
- TCA6416 IO expander. Your board-specific setup logic
+ TCA6416/TCA6408A IO expander. Your board-specific setup logic
must also provide pin-mask details(of which TCA6416 pins
are used for keypad).
- If enabled the complete TCA6416 device will be managed through
+ If enabled the entire TCA6416 device will be managed through
this driver.
+ To compile this driver as a module, choose M here: the
+ module will be called tca6416_keypad.
config KEYBOARD_MATRIX
tristate "GPIO driven matrix keypad support"
@@ -459,6 +461,15 @@ config KEYBOARD_OMAP4
To compile this driver as a module, choose M here: the
module will be called omap4-keypad.
+config KEYBOARD_SPEAR
+ tristate "ST SPEAR keyboard support"
+ depends on PLAT_SPEAR
+ help
+ Say Y here if you want to use the SPEAR keyboard.
+
+ To compile this driver as a module, choose M here: the
+ module will be called spear-keboard.
+
config KEYBOARD_TC3589X
tristate "TC3589X Keypad support"
depends on MFD_TC3589X
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 2aa6ce248b7..8933e9ca938 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -38,6 +38,7 @@ obj-$(CONFIG_KEYBOARD_PXA930_ROTARY) += pxa930_rotary.o
obj-$(CONFIG_KEYBOARD_QT2160) += qt2160.o
obj-$(CONFIG_KEYBOARD_SAMSUNG) += samsung-keypad.o
obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o
+obj-$(CONFIG_KEYBOARD_SPEAR) += spear-keyboard.o
obj-$(CONFIG_KEYBOARD_STMPE) += stmpe-keypad.o
obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
new file mode 100644
index 00000000000..bee03d64c45
--- /dev/null
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -0,0 +1,344 @@
+/*
+ * SPEAr Keyboard Driver
+ * Based on omap-keypad driver
+ *
+ * Copyright (C) 2010 ST Microelectronics
+ * Rajeev Kumar<rajeev-dlh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_wakeup.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <plat/keyboard.h>
+
+/* Keyboard Registers */
+#define MODE_REG 0x00 /* 16 bit reg */
+#define STATUS_REG 0x0C /* 2 bit reg */
+#define DATA_REG 0x10 /* 8 bit reg */
+#define INTR_MASK 0x54
+
+/* Register Values */
+/*
+ * pclk freq mask = (APB FEQ -1)= 82 MHZ.Programme bit 15-9 in mode
+ * control register as 1010010(82MHZ)
+ */
+#define PCLK_FREQ_MSK 0xA400 /* 82 MHz */
+#define START_SCAN 0x0100
+#define SCAN_RATE_10 0x0000
+#define SCAN_RATE_20 0x0004
+#define SCAN_RATE_40 0x0008
+#define SCAN_RATE_80 0x000C
+#define MODE_KEYBOARD 0x0002
+#define DATA_AVAIL 0x2
+
+#define KEY_MASK 0xFF000000
+#define KEY_VALUE 0x00FFFFFF
+#define ROW_MASK 0xF0
+#define COLUMN_MASK 0x0F
+#define ROW_SHIFT 4
+
+struct spear_kbd {
+ struct input_dev *input;
+ struct resource *res;
+ void __iomem *io_base;
+ struct clk *clk;
+ unsigned int irq;
+ unsigned short last_key;
+ unsigned short keycodes[256];
+};
+
+static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
+{
+ struct spear_kbd *kbd = dev_id;
+ struct input_dev *input = kbd->input;
+ unsigned int key;
+ u8 sts, val;
+
+ sts = readb(kbd->io_base + STATUS_REG);
+ if (sts & DATA_AVAIL)
+ return IRQ_NONE;
+
+ if (kbd->last_key != KEY_RESERVED) {
+ input_report_key(input, kbd->last_key, 0);
+ kbd->last_key = KEY_RESERVED;
+ }
+
+ /* following reads active (row, col) pair */
+ val = readb(kbd->io_base + DATA_REG);
+ key = kbd->keycodes[val];
+
+ input_event(input, EV_MSC, MSC_SCAN, val);
+ input_report_key(input, key, 1);
+ input_sync(input);
+
+ kbd->last_key = key;
+
+ /* clear interrupt */
+ writeb(0, kbd->io_base + STATUS_REG);
+
+ return IRQ_HANDLED;
+}
+
+static int spear_kbd_open(struct input_dev *dev)
+{
+ struct spear_kbd *kbd = input_get_drvdata(dev);
+ int error;
+ u16 val;
+
+ kbd->last_key = KEY_RESERVED;
+
+ error = clk_enable(kbd->clk);
+ if (error)
+ return error;
+
+ /* program keyboard */
+ val = SCAN_RATE_80 | MODE_KEYBOARD | PCLK_FREQ_MSK;
+ writew(val, kbd->io_base + MODE_REG);
+ writeb(1, kbd->io_base + STATUS_REG);
+
+ /* start key scan */
+ val = readw(kbd->io_base + MODE_REG);
+ val |= START_SCAN;
+ writew(val, kbd->io_base + MODE_REG);
+
+ return 0;
+}
+
+static void spear_kbd_close(struct input_dev *dev)
+{
+ struct spear_kbd *kbd = input_get_drvdata(dev);
+ u16 val;
+
+ /* stop key scan */
+ val = readw(kbd->io_base + MODE_REG);
+ val &= ~START_SCAN;
+ writew(val, kbd->io_base + MODE_REG);
+
+ clk_disable(kbd->clk);
+
+ kbd->last_key = KEY_RESERVED;
+}
+
+static int __devinit spear_kbd_probe(struct platform_device *pdev)
+{
+ const struct kbd_platform_data *pdata = pdev->dev.platform_data;
+ const struct matrix_keymap_data *keymap;
+ struct spear_kbd *kbd;
+ struct input_dev *input_dev;
+ struct resource *res;
+ int irq;
+ int error;
+
+ if (!pdata) {
+ dev_err(&pdev->dev, "Invalid platform data\n");
+ return -EINVAL;
+ }
+
+ keymap = pdata->keymap;
+ if (!keymap) {
+ dev_err(&pdev->dev, "no keymap defined\n");
+ return -EINVAL;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "no keyboard resource defined\n");
+ return -EBUSY;
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_err(&pdev->dev, "not able to get irq for the device\n");
+ return irq;
+ }
+
+ kbd = kzalloc(sizeof(*kbd), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!kbd || !input_dev) {
+ dev_err(&pdev->dev, "out of memory\n");
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ kbd->input = input_dev;
+ kbd->irq = irq;
+ kbd->res = request_mem_region(res->start, resource_size(res),
+ pdev->name);
+ if (!kbd->res) {
+ dev_err(&pdev->dev, "keyboard region already claimed\n");
+ error = -EBUSY;
+ goto err_free_mem;
+ }
+
+ kbd->io_base = ioremap(res->start, resource_size(res));
+ if (!kbd->io_base) {
+ dev_err(&pdev->dev, "ioremap failed for kbd_region\n");
+ error = -ENOMEM;
+ goto err_release_mem_region;
+ }
+
+ kbd->clk = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(kbd->clk)) {
+ error = PTR_ERR(kbd->clk);
+ goto err_iounmap;
+ }
+
+ input_dev->name = "Spear Keyboard";
+ input_dev->phys = "keyboard/input0";
+ input_dev->dev.parent = &pdev->dev;
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->id.vendor = 0x0001;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0100;
+ input_dev->open = spear_kbd_open;
+ input_dev->close = spear_kbd_close;
+
+ __set_bit(EV_KEY, input_dev->evbit);
+ if (pdata->rep)
+ __set_bit(EV_REP, input_dev->evbit);
+ input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+
+ input_dev->keycode = kbd->keycodes;
+ input_dev->keycodesize = sizeof(kbd->keycodes[0]);
+ input_dev->keycodemax = ARRAY_SIZE(kbd->keycodes);
+
+ matrix_keypad_build_keymap(keymap, ROW_SHIFT,
+ input_dev->keycode, input_dev->keybit);
+
+ input_set_drvdata(input_dev, kbd);
+
+ error = request_irq(irq, spear_kbd_interrupt, 0, "keyboard", kbd);
+ if (error) {
+ dev_err(&pdev->dev, "request_irq fail\n");
+ goto err_put_clk;
+ }
+
+ error = input_register_device(input_dev);
+ if (error) {
+ dev_err(&pdev->dev, "Unable to register keyboard device\n");
+ goto err_free_irq;
+ }
+
+ device_init_wakeup(&pdev->dev, 1);
+ platform_set_drvdata(pdev, kbd);
+
+ return 0;
+
+err_free_irq:
+ free_irq(kbd->irq, kbd);
+err_put_clk:
+ clk_put(kbd->clk);
+err_iounmap:
+ iounmap(kbd->io_base);
+err_release_mem_region:
+ release_mem_region(res->start, resource_size(res));
+err_free_mem:
+ input_free_device(input_dev);
+ kfree(kbd);
+
+ return error;
+}
+
+static int __devexit spear_kbd_remove(struct platform_device *pdev)
+{
+ struct spear_kbd *kbd = platform_get_drvdata(pdev);
+
+ free_irq(kbd->irq, kbd);
+ input_unregister_device(kbd->input);
+ clk_put(kbd->clk);
+ iounmap(kbd->io_base);
+ release_mem_region(kbd->res->start, resource_size(kbd->res));
+ kfree(kbd);
+
+ device_init_wakeup(&pdev->dev, 1);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int spear_kbd_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct spear_kbd *kbd = platform_get_drvdata(pdev);
+ struct input_dev *input_dev = kbd->input;
+
+ mutex_lock(&input_dev->mutex);
+
+ if (input_dev->users)
+ clk_enable(kbd->clk);
+
+ if (device_may_wakeup(&pdev->dev))
+ enable_irq_wake(kbd->irq);
+
+ mutex_unlock(&input_dev->mutex);
+
+ return 0;
+}
+
+static int spear_kbd_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct spear_kbd *kbd = platform_get_drvdata(pdev);
+ struct input_dev *input_dev = kbd->input;
+
+ mutex_lock(&input_dev->mutex);
+
+ if (device_may_wakeup(&pdev->dev))
+ disable_irq_wake(kbd->irq);
+
+ if (input_dev->users)
+ clk_enable(kbd->clk);
+
+ mutex_unlock(&input_dev->mutex);
+
+ return 0;
+}
+
+static const struct dev_pm_ops spear_kbd_pm_ops = {
+ .suspend = spear_kbd_suspend,
+ .resume = spear_kbd_resume,
+};
+#endif
+
+static struct platform_driver spear_kbd_driver = {
+ .probe = spear_kbd_probe,
+ .remove = __devexit_p(spear_kbd_remove),
+ .driver = {
+ .name = "keyboard",
+ .owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &spear_kbd_pm_ops,
+#endif
+ },
+};
+
+static int __init spear_kbd_init(void)
+{
+ return platform_driver_register(&spear_kbd_driver);
+}
+module_init(spear_kbd_init);
+
+static void __exit spear_kbd_exit(void)
+{
+ platform_driver_unregister(&spear_kbd_driver);
+}
+module_exit(spear_kbd_exit);
+
+MODULE_AUTHOR("Rajeev Kumar");
+MODULE_DESCRIPTION("SPEAr Keyboard Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c
index 00137bebcf9..800fbccf1f0 100644
--- a/drivers/input/keyboard/tca6416-keypad.c
+++ b/drivers/input/keyboard/tca6416-keypad.c
@@ -29,6 +29,7 @@
static const struct i2c_device_id tca6416_id[] = {
{ "tca6416-keys", 16, },
+ { "tca6408-keys", 8, },
{ }
};
MODULE_DEVICE_TABLE(i2c, tca6416_id);
@@ -46,8 +47,9 @@ struct tca6416_keypad_chip {
struct i2c_client *client;
struct input_dev *input;
struct delayed_work dwork;
- u16 pinmask;
+ int io_size;
int irqnum;
+ u16 pinmask;
bool use_polling;
struct tca6416_button buttons[0];
};
@@ -56,7 +58,9 @@ static int tca6416_write_reg(struct tca6416_keypad_chip *chip, int reg, u16 val)
{
int error;
- error = i2c_smbus_write_word_data(chip->client, reg << 1, val);
+ error = chip->io_size > 8 ?
+ i2c_smbus_write_word_data(chip->client, reg << 1, val) :
+ i2c_smbus_write_byte_data(chip->client, reg, val);
if (error < 0) {
dev_err(&chip->client->dev,
"%s failed, reg: %d, val: %d, error: %d\n",
@@ -71,7 +75,9 @@ static int tca6416_read_reg(struct tca6416_keypad_chip *chip, int reg, u16 *val)
{
int retval;
- retval = i2c_smbus_read_word_data(chip->client, reg << 1);
+ retval = chip->io_size > 8 ?
+ i2c_smbus_read_word_data(chip->client, reg << 1) :
+ i2c_smbus_read_byte_data(chip->client, reg);
if (retval < 0) {
dev_err(&chip->client->dev, "%s failed, reg: %d, error: %d\n",
__func__, reg, retval);
@@ -224,6 +230,7 @@ static int __devinit tca6416_keypad_probe(struct i2c_client *client,
chip->client = client;
chip->input = input;
+ chip->io_size = id->driver_data;
chip->pinmask = pdata->pinmask;
chip->use_polling = pdata->use_polling;
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index c1a81bcdb31..b0c6772851a 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -430,4 +430,28 @@ config INPUT_ADXL34X_SPI
To compile this driver as a module, choose M here: the
module will be called adxl34x-spi.
+config INPUT_CMA3000
+ tristate "VTI CMA3000 Tri-axis accelerometer"
+ help
+ Say Y here if you want to use VTI CMA3000_D0x Accelerometer
+ driver
+
+ This driver currently only supports I2C interface to the
+ controller. Also select the I2C method.
+
+ If unsure, say N
+
+ To compile this driver as a module, choose M here: the
+ module will be called cma3000_d0x.
+
+config INPUT_CMA3000_I2C
+ tristate "Support I2C bus connection"
+ depends on INPUT_CMA3000 && I2C
+ help
+ Say Y here if you want to use VTI CMA3000_D0x Accelerometer
+ through I2C interface.
+
+ To compile this driver as a module, choose M here: the
+ module will be called cma3000_d0x_i2c.
+
endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 06b2b515403..9b4797112c9 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -18,6 +18,8 @@ obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o
obj-$(CONFIG_INPUT_ATLAS_BTNS) += atlas_btns.o
obj-$(CONFIG_INPUT_BFIN_ROTARY) += bfin_rotary.o
obj-$(CONFIG_INPUT_CM109) += cm109.o
+obj-$(CONFIG_INPUT_CMA3000) += cma3000_d0x.o
+obj-$(CONFIG_INPUT_CMA3000_I2C) += cma3000_d0x_i2c.o
obj-$(CONFIG_INPUT_COBALT_BTNS) += cobalt_btns.o
obj-$(CONFIG_INPUT_DM355EVM) += dm355evm_keys.o
obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c
new file mode 100644
index 00000000000..1633b634226
--- /dev/null
+++ b/drivers/input/misc/cma3000_d0x.c
@@ -0,0 +1,398 @@
+/*
+ * VTI CMA3000_D0x Accelerometer driver
+ *
+ * Copyright (C) 2010 Texas Instruments
+ * Author: Hemanth V <hemanthv@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/input/cma3000.h>
+
+#include "cma3000_d0x.h"
+
+#define CMA3000_WHOAMI 0x00
+#define CMA3000_REVID 0x01
+#define CMA3000_CTRL 0x02
+#define CMA3000_STATUS 0x03
+#define CMA3000_RSTR 0x04
+#define CMA3000_INTSTATUS 0x05
+#define CMA3000_DOUTX 0x06
+#define CMA3000_DOUTY 0x07
+#define CMA3000_DOUTZ 0x08
+#define CMA3000_MDTHR 0x09
+#define CMA3000_MDFFTMR 0x0A
+#define CMA3000_FFTHR 0x0B
+
+#define CMA3000_RANGE2G (1 << 7)
+#define CMA3000_RANGE8G (0 << 7)
+#define CMA3000_BUSI2C (0 << 4)
+#define CMA3000_MODEMASK (7 << 1)
+#define CMA3000_GRANGEMASK (1 << 7)
+
+#define CMA3000_STATUS_PERR 1
+#define CMA3000_INTSTATUS_FFDET (1 << 2)
+
+/* Settling time delay in ms */
+#define CMA3000_SETDELAY 30
+
+/* Delay for clearing interrupt in us */
+#define CMA3000_INTDELAY 44
+
+
+/*
+ * Bit weights in mg for bit 0, other bits need
+ * multipy factor 2^n. Eight bit is the sign bit.
+ */
+#define BIT_TO_2G 18
+#define BIT_TO_8G 71
+
+struct cma3000_accl_data {
+ const struct cma3000_bus_ops *bus_ops;
+ const struct cma3000_platform_data *pdata;
+
+ struct device *dev;
+ struct input_dev *input_dev;
+
+ int bit_to_mg;
+ int irq;
+
+ int g_range;
+ u8 mode;
+
+ struct mutex mutex;
+ bool opened;
+ bool suspended;
+};
+
+#define CMA3000_READ(data, reg, msg) \
+ (data->bus_ops->read(data->dev, reg, msg))
+#define CMA3000_SET(data, reg, val, msg) \
+ ((data)->bus_ops->write(data->dev, reg, val, msg))
+
+/*
+ * Conversion for each of the eight modes to g, depending
+ * on G range i.e 2G or 8G. Some modes always operate in
+ * 8G.
+ */
+
+static int mode_to_mg[8][2] = {
+ { 0, 0 },
+ { BIT_TO_8G, BIT_TO_2G },
+ { BIT_TO_8G, BIT_TO_2G },
+ { BIT_TO_8G, BIT_TO_8G },
+ { BIT_TO_8G, BIT_TO_8G },
+ { BIT_TO_8G, BIT_TO_2G },
+ { BIT_TO_8G, BIT_TO_2G },
+ { 0, 0},
+};
+
+static void decode_mg(struct cma3000_accl_data *data, int *datax,
+ int *datay, int *dataz)
+{
+ /* Data in 2's complement, convert to mg */
+ *datax = ((s8)*datax) * data->bit_to_mg;
+ *datay = ((s8)*datay) * data->bit_to_mg;
+ *dataz = ((s8)*dataz) * data->bit_to_mg;
+}
+
+static irqreturn_t cma3000_thread_irq(int irq, void *dev_id)
+{
+ struct cma3000_accl_data *data = dev_id;
+ int datax, datay, dataz;
+ u8 ctrl, mode, range, intr_status;
+
+ intr_status = CMA3000_READ(data, CMA3000_INTSTATUS, "interrupt status");
+ if (intr_status < 0)
+ return IRQ_NONE;
+
+ /* Check if free fall is detected, report immediately */
+ if (intr_status & CMA3000_INTSTATUS_FFDET) {
+ input_report_abs(data->input_dev, ABS_MISC, 1);
+ input_sync(data->input_dev);
+ } else {
+ input_report_abs(data->input_dev, ABS_MISC, 0);
+ }
+
+ datax = CMA3000_READ(data, CMA3000_DOUTX, "X");
+ datay = CMA3000_READ(data, CMA3000_DOUTY, "Y");
+ dataz = CMA3000_READ(data, CMA3000_DOUTZ, "Z");
+
+ ctrl = CMA3000_READ(data, CMA3000_CTRL, "ctrl");
+ mode = (ctrl & CMA3000_MODEMASK) >> 1;
+ range = (ctrl & CMA3000_GRANGEMASK) >> 7;
+
+ data->bit_to_mg = mode_to_mg[mode][range];
+
+ /* Interrupt not for this device */
+ if (data->bit_to_mg == 0)
+ return IRQ_NONE;
+
+ /* Decode register values to milli g */
+ decode_mg(data, &datax, &datay, &dataz);
+
+ input_report_abs(data->input_dev, ABS_X, datax);
+ input_report_abs(data->input_dev, ABS_Y, datay);
+ input_report_abs(data->input_dev, ABS_Z, dataz);
+ input_sync(data->input_dev);
+
+ return IRQ_HANDLED;
+}
+
+static int cma3000_reset(struct cma3000_accl_data *data)
+{
+ int val;
+
+ /* Reset sequence */
+ CMA3000_SET(data, CMA3000_RSTR, 0x02, "Reset");
+ CMA3000_SET(data, CMA3000_RSTR, 0x0A, "Reset");
+ CMA3000_SET(data, CMA3000_RSTR, 0x04, "Reset");
+
+ /* Settling time delay */
+ mdelay(10);
+
+ val = CMA3000_READ(data, CMA3000_STATUS, "Status");
+ if (val < 0) {
+ dev_err(data->dev, "Reset failed\n");
+ return val;
+ }
+
+ if (val & CMA3000_STATUS_PERR) {
+ dev_err(data->dev, "Parity Error\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int cma3000_poweron(struct cma3000_accl_data *data)
+{
+ const struct cma3000_platform_data *pdata = data->pdata;
+ u8 ctrl = 0;
+ int ret;
+
+ if (data->g_range == CMARANGE_2G) {
+ ctrl = (data->mode << 1) | CMA3000_RANGE2G;
+ } else if (data->g_range == CMARANGE_8G) {
+ ctrl = (data->mode << 1) | CMA3000_RANGE8G;
+ } else {
+ dev_info(data->dev,
+ "Invalid G range specified, assuming 8G\n");
+ ctrl = (data->mode << 1) | CMA3000_RANGE8G;
+ }
+
+ ctrl |= data->bus_ops->ctrl_mod;
+
+ CMA3000_SET(data, CMA3000_MDTHR, pdata->mdthr,
+ "Motion Detect Threshold");
+ CMA3000_SET(data, CMA3000_MDFFTMR, pdata->mdfftmr,
+ "Time register");
+ CMA3000_SET(data, CMA3000_FFTHR, pdata->ffthr,
+ "Free fall threshold");
+ ret = CMA3000_SET(data, CMA3000_CTRL, ctrl, "Mode setting");
+ if (ret < 0)
+ return -EIO;
+
+ msleep(CMA3000_SETDELAY);
+
+ return 0;
+}
+
+static int cma3000_poweroff(struct cma3000_accl_data *data)
+{
+ int ret;
+
+ ret = CMA3000_SET(data, CMA3000_CTRL, CMAMODE_POFF, "Mode setting");
+ msleep(CMA3000_SETDELAY);
+
+ return ret;
+}
+
+static int cma3000_open(struct input_dev *input_dev)
+{
+ struct cma3000_accl_data *data = input_get_drvdata(input_dev);
+
+ mutex_lock(&data->mutex);
+
+ if (!data->suspended)
+ cma3000_poweron(data);
+
+ data->opened = true;
+
+ mutex_unlock(&data->mutex);
+
+ return 0;
+}
+
+static void cma3000_close(struct input_dev *input_dev)
+{
+ struct cma3000_accl_data *data = input_get_drvdata(input_dev);
+
+ mutex_lock(&data->mutex);
+
+ if (!data->suspended)
+ cma3000_poweroff(data);
+
+ data->opened = false;
+
+ mutex_unlock(&data->mutex);
+}
+
+void cma3000_suspend(struct cma3000_accl_data *data)
+{
+ mutex_lock(&data->mutex);
+
+ if (!data->suspended && data->opened)
+ cma3000_poweroff(data);
+
+ data->suspended = true;
+
+ mutex_unlock(&data->mutex);
+}
+EXPORT_SYMBOL(cma3000_suspend);
+
+
+void cma3000_resume(struct cma3000_accl_data *data)
+{
+ mutex_lock(&data->mutex);
+
+ if (data->suspended && data->opened)
+ cma3000_poweron(data);
+
+ data->suspended = false;
+
+ mutex_unlock(&data->mutex);
+}
+EXPORT_SYMBOL(cma3000_resume);
+
+struct cma3000_accl_data *cma3000_init(struct device *dev, int irq,
+ const struct cma3000_bus_ops *bops)
+{
+ const struct cma3000_platform_data *pdata = dev->platform_data;
+ struct cma3000_accl_data *data;
+ struct input_dev *input_dev;
+ int rev;
+ int error;
+
+ if (!pdata) {
+ dev_err(dev, "platform data not found\n");
+ error = -EINVAL;
+ goto err_out;
+ }
+
+
+ /* if no IRQ return error */
+ if (irq == 0) {
+ error = -EINVAL;
+ goto err_out;
+ }
+
+ data = kzalloc(sizeof(struct cma3000_accl_data), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!data || !input_dev) {
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ data->dev = dev;
+ data->input_dev = input_dev;
+ data->bus_ops = bops;
+ data->pdata = pdata;
+ data->irq = irq;
+ mutex_init(&data->mutex);
+
+ data->mode = pdata->mode;
+ if (data->mode < CMAMODE_DEFAULT || data->mode > CMAMODE_POFF) {
+ data->mode = CMAMODE_MOTDET;
+ dev_warn(dev,
+ "Invalid mode specified, assuming Motion Detect\n");
+ }
+
+ data->g_range = pdata->g_range;
+ if (data->g_range != CMARANGE_2G && data->g_range != CMARANGE_8G) {
+ dev_info(dev,
+ "Invalid G range specified, assuming 8G\n");
+ data->g_range = CMARANGE_8G;
+ }
+
+ input_dev->name = "cma3000-accelerometer";
+ input_dev->id.bustype = bops->bustype;
+ input_dev->open = cma3000_open;
+ input_dev->close = cma3000_close;
+
+ __set_bit(EV_ABS, input_dev->evbit);
+
+ input_set_abs_params(input_dev, ABS_X,
+ -data->g_range, data->g_range, pdata->fuzz_x, 0);
+ input_set_abs_params(input_dev, ABS_Y,
+ -data->g_range, data->g_range, pdata->fuzz_y, 0);
+ input_set_abs_params(input_dev, ABS_Z,
+ -data->g_range, data->g_range, pdata->fuzz_z, 0);
+ input_set_abs_params(input_dev, ABS_MISC, 0, 1, 0, 0);
+
+ input_set_drvdata(input_dev, data);
+
+ error = cma3000_reset(data);
+ if (error)
+ goto err_free_mem;
+
+ rev = CMA3000_READ(data, CMA3000_REVID, "Revid");
+ if (rev < 0) {
+ error = rev;
+ goto err_free_mem;
+ }
+
+ pr_info("CMA3000 Accelerometer: Revision %x\n", rev);
+
+ error = request_threaded_irq(irq, NULL, cma3000_thread_irq,
+ pdata->irqflags | IRQF_ONESHOT,
+ "cma3000_d0x", data);
+ if (error) {
+ dev_err(dev, "request_threaded_irq failed\n");
+ goto err_free_mem;
+ }
+
+ error = input_register_device(data->input_dev);
+ if (error) {
+ dev_err(dev, "Unable to register input device\n");
+ goto err_free_irq;
+ }
+
+ return data;
+
+err_free_irq:
+ free_irq(irq, data);
+err_free_mem:
+ input_free_device(input_dev);
+ kfree(data);
+err_out:
+ return ERR_PTR(error);
+}
+EXPORT_SYMBOL(cma3000_init);
+
+void cma3000_exit(struct cma3000_accl_data *data)
+{
+ free_irq(data->irq, data);
+ input_unregister_device(data->input_dev);
+ kfree(data);
+}
+EXPORT_SYMBOL(cma3000_exit);
+
+MODULE_DESCRIPTION("CMA3000-D0x Accelerometer Driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Hemanth V <hemanthv@ti.com>");
diff --git a/drivers/input/misc/cma3000_d0x.h b/drivers/input/misc/cma3000_d0x.h
new file mode 100644
index 00000000000..2304ce306e1
--- /dev/null
+++ b/drivers/input/misc/cma3000_d0x.h
@@ -0,0 +1,42 @@
+/*
+ * VTI CMA3000_D0x Accelerometer driver
+ *
+ * Copyright (C) 2010 Texas Instruments
+ * Author: Hemanth V <hemanthv@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _INPUT_CMA3000_H
+#define _INPUT_CMA3000_H
+
+#include <linux/types.h>
+#include <linux/input.h>
+
+struct device;
+struct cma3000_accl_data;
+
+struct cma3000_bus_ops {
+ u16 bustype;
+ u8 ctrl_mod;
+ int (*read)(struct device *, u8, char *);
+ int (*write)(struct device *, u8, u8, char *);
+};
+
+struct cma3000_accl_data *cma3000_init(struct device *dev, int irq,
+ const struct cma3000_bus_ops *bops);
+void cma3000_exit(struct cma3000_accl_data *);
+void cma3000_suspend(struct cma3000_accl_data *);
+void cma3000_resume(struct cma3000_accl_data *);
+
+#endif
diff --git a/drivers/input/misc/cma3000_d0x_i2c.c b/drivers/input/misc/cma3000_d0x_i2c.c
new file mode 100644
index 00000000000..d100cc5c578
--- /dev/null
+++ b/drivers/input/misc/cma3000_d0x_i2c.c
@@ -0,0 +1,143 @@
+/*
+ * Implements I2C interface for VTI CMA300_D0x Accelerometer driver
+ *
+ * Copyright (C) 2010 Texas Instruments
+ * Author: Hemanth V <hemanthv@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/input/cma3000.h>
+#include "cma3000_d0x.h"
+
+static int cma3000_i2c_set(struct device *dev,
+ u8 reg, u8 val, char *msg)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int ret;
+
+ ret = i2c_smbus_write_byte_data(client, reg, val);
+ if (ret < 0)
+ dev_err(&client->dev,
+ "%s failed (%s, %d)\n", __func__, msg, ret);
+ return ret;
+}
+
+static int cma3000_i2c_read(struct device *dev, u8 reg, char *msg)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(client, reg);
+ if (ret < 0)
+ dev_err(&client->dev,
+ "%s failed (%s, %d)\n", __func__, msg, ret);
+ return ret;
+}
+
+static const struct cma3000_bus_ops cma3000_i2c_bops = {
+ .bustype = BUS_I2C,
+#define CMA3000_BUSI2C (0 << 4)
+ .ctrl_mod = CMA3000_BUSI2C,
+ .read = cma3000_i2c_read,
+ .write = cma3000_i2c_set,
+};
+
+static int __devinit cma3000_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct cma3000_accl_data *data;
+
+ data = cma3000_init(&client->dev, client->irq, &cma3000_i2c_bops);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
+ i2c_set_clientdata(client, data);
+
+ return 0;
+}
+
+static int __devexit cma3000_i2c_remove(struct i2c_client *client)
+{
+ struct cma3000_accl_data *data = i2c_get_clientdata(client);
+
+ cma3000_exit(data);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int cma3000_i2c_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct cma3000_accl_data *data = i2c_get_clientdata(client);
+
+ cma3000_suspend(data);
+
+ return 0;
+}
+
+static int cma3000_i2c_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct cma3000_accl_data *data = i2c_get_clientdata(client);
+
+ cma3000_resume(data);
+
+ return 0;
+}
+
+static const struct dev_pm_ops cma3000_i2c_pm_ops = {
+ .suspend = cma3000_i2c_suspend,
+ .resume = cma3000_i2c_resume,
+};
+#endif
+
+static const struct i2c_device_id cma3000_i2c_id[] = {
+ { "cma3000_d01", 0 },
+ { },
+};
+
+MODULE_DEVICE_TABLE(i2c, cma3000_i2c_id);
+
+static struct i2c_driver cma3000_i2c_driver = {
+ .probe = cma3000_i2c_probe,
+ .remove = __devexit_p(cma3000_i2c_remove),
+ .id_table = cma3000_i2c_id,
+ .driver = {
+ .name = "cma3000_i2c_accl",
+ .owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &cma3000_i2c_pm_ops,
+#endif
+ },
+};
+
+static int __init cma3000_i2c_init(void)
+{
+ return i2c_add_driver(&cma3000_i2c_driver);
+}
+
+static void __exit cma3000_i2c_exit(void)
+{
+ i2c_del_driver(&cma3000_i2c_driver);
+}
+
+module_init(cma3000_i2c_init);
+module_exit(cma3000_i2c_exit);
+
+MODULE_DESCRIPTION("CMA3000-D0x Accelerometer I2C Driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Hemanth V <hemanthv@ti.com>");
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
index d1583aea172..08be1a35595 100644
--- a/drivers/input/misc/pcf8574_keypad.c
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -169,19 +169,29 @@ static int __devexit pcf8574_kp_remove(struct i2c_client *client)
}
#ifdef CONFIG_PM
-static int pcf8574_kp_resume(struct i2c_client *client)
+static int pcf8574_kp_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
+
enable_irq(client->irq);
return 0;
}
-static int pcf8574_kp_suspend(struct i2c_client *client, pm_message_t mesg)
+static int pcf8574_kp_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
+
disable_irq(client->irq);
return 0;
}
+
+static const struct dev_pm_ops pcf8574_kp_pm_ops = {
+ .suspend = pcf8574_kp_suspend,
+ .resume = pcf8574_kp_resume,
+};
+
#else
# define pcf8574_kp_resume NULL
# define pcf8574_kp_suspend NULL
@@ -197,11 +207,12 @@ static struct i2c_driver pcf8574_kp_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &pcf8574_kp_pm_ops,
+#endif
},
.probe = pcf8574_kp_probe,
.remove = __devexit_p(pcf8574_kp_remove),
- .suspend = pcf8574_kp_suspend,
- .resume = pcf8574_kp_resume,
.id_table = pcf8574_kp_id,
};
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index b9410784e6a..82542a1c109 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -37,6 +37,7 @@
#include <linux/fs.h>
#include <linux/miscdevice.h>
#include <linux/uinput.h>
+#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)
@@ -406,8 +407,7 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu
goto exit;
if (test_bit(ABS_MT_SLOT, dev->absbit)) {
int nslot = input_abs_get_max(dev, ABS_MT_SLOT) + 1;
- input_mt_create_slots(dev, nslot);
- input_set_events_per_packet(dev, 6 * nslot);
+ input_mt_init_slots(dev, nslot);
} else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
input_set_events_per_packet(dev, 60);
}
@@ -680,6 +680,10 @@ static long uinput_ioctl_handler(struct file *file, unsigned int cmd,
retval = uinput_set_bit(arg, swbit, SW_MAX);
break;
+ case UI_SET_PROPBIT:
+ retval = uinput_set_bit(arg, propbit, INPUT_PROP_MAX);
+ break;
+
case UI_SET_PHYS:
if (udev->state == UIST_CREATED) {
retval = -EINVAL;
diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c
index 1d2205b2480..95577c15ae5 100644
--- a/drivers/input/mouse/hgpk.c
+++ b/drivers/input/mouse/hgpk.c
@@ -40,6 +40,8 @@
#include "psmouse.h"
#include "hgpk.h"
+#define ILLEGAL_XY 999999
+
static bool tpdebug;
module_param(tpdebug, bool, 0644);
MODULE_PARM_DESC(tpdebug, "enable debugging, dumping packets to KERN_DEBUG.");
@@ -47,48 +49,150 @@ MODULE_PARM_DESC(tpdebug, "enable debugging, dumping packets to KERN_DEBUG.");
static int recalib_delta = 100;
module_param(recalib_delta, int, 0644);
MODULE_PARM_DESC(recalib_delta,
- "packets containing a delta this large will cause a recalibration.");
+ "packets containing a delta this large will be discarded, and a "
+ "recalibration may be scheduled.");
-static int jumpy_delay = 1000;
+static int jumpy_delay = 20;
module_param(jumpy_delay, int, 0644);
MODULE_PARM_DESC(jumpy_delay,
"delay (ms) before recal after jumpiness detected");
-static int spew_delay = 1000;
+static int spew_delay = 1;
module_param(spew_delay, int, 0644);
MODULE_PARM_DESC(spew_delay,
"delay (ms) before recal after packet spew detected");
-static int recal_guard_time = 2000;
+static int recal_guard_time;
module_param(recal_guard_time, int, 0644);
MODULE_PARM_DESC(recal_guard_time,
"interval (ms) during which recal will be restarted if packet received");
-static int post_interrupt_delay = 1000;
+static int post_interrupt_delay = 40;
module_param(post_interrupt_delay, int, 0644);
MODULE_PARM_DESC(post_interrupt_delay,
"delay (ms) before recal after recal interrupt detected");
+static bool autorecal = true;
+module_param(autorecal, bool, 0644);
+MODULE_PARM_DESC(autorecal, "enable recalibration in the driver");
+
+static char hgpk_mode_name[16];
+module_param_string(hgpk_mode, hgpk_mode_name, sizeof(hgpk_mode_name), 0644);
+MODULE_PARM_DESC(hgpk_mode,
+ "default hgpk mode: mouse, glidesensor or pentablet");
+
+static int hgpk_default_mode = HGPK_MODE_MOUSE;
+
+static const char * const hgpk_mode_names[] = {
+ [HGPK_MODE_MOUSE] = "Mouse",
+ [HGPK_MODE_GLIDESENSOR] = "GlideSensor",
+ [HGPK_MODE_PENTABLET] = "PenTablet",
+};
+
+static int hgpk_mode_from_name(const char *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(hgpk_mode_names); i++) {
+ const char *name = hgpk_mode_names[i];
+ if (strlen(name) == len && !strncasecmp(name, buf, len))
+ return i;
+ }
+
+ return HGPK_MODE_INVALID;
+}
+
+/*
+ * see if new value is within 20% of half of old value
+ */
+static int approx_half(int curr, int prev)
+{
+ int belowhalf, abovehalf;
+
+ if (curr < 5 || prev < 5)
+ return 0;
+
+ belowhalf = (prev * 8) / 20;
+ abovehalf = (prev * 12) / 20;
+
+ return belowhalf < curr && curr <= abovehalf;
+}
+
/*
- * When the touchpad gets ultra-sensitive, one can keep their finger 1/2"
- * above the pad and still have it send packets. This causes a jump cursor
- * when one places their finger on the pad. We can probably detect the
- * jump as we see a large deltas (>= 100px). In mouse mode, I've been
- * unable to even come close to 100px deltas during normal usage, so I think
- * this threshold is safe. If a large delta occurs, trigger a recalibration.
+ * Throw out oddly large delta packets, and any that immediately follow whose
+ * values are each approximately half of the previous. It seems that the ALPS
+ * firmware emits errant packets, and they get averaged out slowly.
*/
-static void hgpk_jumpy_hack(struct psmouse *psmouse, int x, int y)
+static int hgpk_discard_decay_hack(struct psmouse *psmouse, int x, int y)
{
struct hgpk_data *priv = psmouse->private;
+ int avx, avy;
+ bool do_recal = false;
+
+ avx = abs(x);
+ avy = abs(y);
+
+ /* discard if too big, or half that but > 4 times the prev delta */
+ if (avx > recalib_delta ||
+ (avx > recalib_delta / 2 && ((avx / 4) > priv->xlast))) {
+ hgpk_err(psmouse, "detected %dpx jump in x\n", x);
+ priv->xbigj = avx;
+ } else if (approx_half(avx, priv->xbigj)) {
+ hgpk_err(psmouse, "detected secondary %dpx jump in x\n", x);
+ priv->xbigj = avx;
+ priv->xsaw_secondary++;
+ } else {
+ if (priv->xbigj && priv->xsaw_secondary > 1)
+ do_recal = true;
+ priv->xbigj = 0;
+ priv->xsaw_secondary = 0;
+ }
+
+ if (avy > recalib_delta ||
+ (avy > recalib_delta / 2 && ((avy / 4) > priv->ylast))) {
+ hgpk_err(psmouse, "detected %dpx jump in y\n", y);
+ priv->ybigj = avy;
+ } else if (approx_half(avy, priv->ybigj)) {
+ hgpk_err(psmouse, "detected secondary %dpx jump in y\n", y);
+ priv->ybigj = avy;
+ priv->ysaw_secondary++;
+ } else {
+ if (priv->ybigj && priv->ysaw_secondary > 1)
+ do_recal = true;
+ priv->ybigj = 0;
+ priv->ysaw_secondary = 0;
+ }
- if (abs(x) > recalib_delta || abs(y) > recalib_delta) {
- hgpk_err(psmouse, ">%dpx jump detected (%d,%d)\n",
- recalib_delta, x, y);
- /* My car gets forty rods to the hogshead and that's the
- * way I likes it! */
+ priv->xlast = avx;
+ priv->ylast = avy;
+
+ if (do_recal && jumpy_delay) {
+ hgpk_err(psmouse, "scheduling recalibration\n");
psmouse_queue_work(psmouse, &priv->recalib_wq,
msecs_to_jiffies(jumpy_delay));
}
+
+ return priv->xbigj || priv->ybigj;
+}
+
+static void hgpk_reset_spew_detection(struct hgpk_data *priv)
+{
+ priv->spew_count = 0;
+ priv->dupe_count = 0;
+ priv->x_tally = 0;
+ priv->y_tally = 0;
+ priv->spew_flag = NO_SPEW;
+}
+
+static void hgpk_reset_hack_state(struct psmouse *psmouse)
+{
+ struct hgpk_data *priv = psmouse->private;
+
+ priv->abs_x = priv->abs_y = -1;
+ priv->xlast = priv->ylast = ILLEGAL_XY;
+ priv->xbigj = priv->ybigj = 0;
+ priv->xsaw_secondary = priv->ysaw_secondary = 0;
+ hgpk_reset_spew_detection(priv);
}
/*
@@ -116,20 +220,57 @@ static void hgpk_spewing_hack(struct psmouse *psmouse,
if (l || r)
return;
+ /* don't track spew if the workaround feature has been turned off */
+ if (!spew_delay)
+ return;
+
+ if (abs(x) > 3 || abs(y) > 3) {
+ /* no spew, or spew ended */
+ hgpk_reset_spew_detection(priv);
+ return;
+ }
+
+ /* Keep a tally of the overall delta to the cursor position caused by
+ * the spew */
priv->x_tally += x;
priv->y_tally += y;
- if (++priv->count > 100) {
+ switch (priv->spew_flag) {
+ case NO_SPEW:
+ /* we're not spewing, but this packet might be the start */
+ priv->spew_flag = MAYBE_SPEWING;
+
+ /* fall-through */
+
+ case MAYBE_SPEWING:
+ priv->spew_count++;
+
+ if (priv->spew_count < SPEW_WATCH_COUNT)
+ break;
+
+ /* excessive spew detected, request recalibration */
+ priv->spew_flag = SPEW_DETECTED;
+
+ /* fall-through */
+
+ case SPEW_DETECTED:
+ /* only recalibrate when the overall delta to the cursor
+ * is really small. if the spew is causing significant cursor
+ * movement, it is probably a case of the user moving the
+ * cursor very slowly across the screen. */
if (abs(priv->x_tally) < 3 && abs(priv->y_tally) < 3) {
- hgpk_dbg(psmouse, "packet spew detected (%d,%d)\n",
+ hgpk_err(psmouse, "packet spew detected (%d,%d)\n",
priv->x_tally, priv->y_tally);
+ priv->spew_flag = RECALIBRATING;
psmouse_queue_work(psmouse, &priv->recalib_wq,
msecs_to_jiffies(spew_delay));
}
- /* reset every 100 packets */
- priv->count = 0;
- priv->x_tally = 0;
- priv->y_tally = 0;
+
+ break;
+ case RECALIBRATING:
+ /* we already detected a spew and requested a recalibration,
+ * just wait for the queue to kick into action. */
+ break;
}
}
@@ -143,25 +284,168 @@ static void hgpk_spewing_hack(struct psmouse *psmouse,
* swr/swl are the left/right buttons.
* x-neg/y-neg are the x and y delta negative bits
* x-over/y-over are the x and y overflow bits
+ *
+ * ---
+ *
+ * HGPK Advanced Mode - single-mode format
+ *
+ * byte 0(PT): 1 1 0 0 1 1 1 1
+ * byte 0(GS): 1 1 1 1 1 1 1 1
+ * byte 1: 0 x6 x5 x4 x3 x2 x1 x0
+ * byte 2(PT): 0 0 x9 x8 x7 ? pt-dsw 0
+ * byte 2(GS): 0 x10 x9 x8 x7 ? gs-dsw pt-dsw
+ * byte 3: 0 y9 y8 y7 1 0 swr swl
+ * byte 4: 0 y6 y5 y4 y3 y2 y1 y0
+ * byte 5: 0 z6 z5 z4 z3 z2 z1 z0
+ *
+ * ?'s are not defined in the protocol spec, may vary between models.
+ *
+ * swr/swl are the left/right buttons.
+ *
+ * pt-dsw/gs-dsw indicate that the pt/gs sensor is detecting a
+ * pen/finger
*/
-static int hgpk_validate_byte(unsigned char *packet)
+static bool hgpk_is_byte_valid(struct psmouse *psmouse, unsigned char *packet)
{
- return (packet[0] & 0x0C) != 0x08;
+ struct hgpk_data *priv = psmouse->private;
+ int pktcnt = psmouse->pktcnt;
+ bool valid;
+
+ switch (priv->mode) {
+ case HGPK_MODE_MOUSE:
+ valid = (packet[0] & 0x0C) == 0x08;
+ break;
+
+ case HGPK_MODE_GLIDESENSOR:
+ valid = pktcnt == 1 ?
+ packet[0] == HGPK_GS : !(packet[pktcnt - 1] & 0x80);
+ break;
+
+ case HGPK_MODE_PENTABLET:
+ valid = pktcnt == 1 ?
+ packet[0] == HGPK_PT : !(packet[pktcnt - 1] & 0x80);
+ break;
+
+ default:
+ valid = false;
+ break;
+ }
+
+ if (!valid)
+ hgpk_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]);
+
+ return valid;
}
-static void hgpk_process_packet(struct psmouse *psmouse)
+static void hgpk_process_advanced_packet(struct psmouse *psmouse)
{
- struct input_dev *dev = psmouse->dev;
+ struct hgpk_data *priv = psmouse->private;
+ struct input_dev *idev = psmouse->dev;
unsigned char *packet = psmouse->packet;
- int x, y, left, right;
+ int down = !!(packet[2] & 2);
+ int left = !!(packet[3] & 1);
+ int right = !!(packet[3] & 2);
+ int x = packet[1] | ((packet[2] & 0x78) << 4);
+ int y = packet[4] | ((packet[3] & 0x70) << 3);
+
+ if (priv->mode == HGPK_MODE_GLIDESENSOR) {
+ int pt_down = !!(packet[2] & 1);
+ int finger_down = !!(packet[2] & 2);
+ int z = packet[5];
+
+ input_report_abs(idev, ABS_PRESSURE, z);
+ if (tpdebug)
+ hgpk_dbg(psmouse, "pd=%d fd=%d z=%d",
+ pt_down, finger_down, z);
+ } else {
+ /*
+ * PenTablet mode does not report pressure, so we don't
+ * report it here
+ */
+ if (tpdebug)
+ hgpk_dbg(psmouse, "pd=%d ", down);
+ }
+
+ if (tpdebug)
+ hgpk_dbg(psmouse, "l=%d r=%d x=%d y=%d\n", left, right, x, y);
+
+ input_report_key(idev, BTN_TOUCH, down);
+ input_report_key(idev, BTN_LEFT, left);
+ input_report_key(idev, BTN_RIGHT, right);
+
+ /*
+ * If this packet says that the finger was removed, reset our position
+ * tracking so that we don't erroneously detect a jump on next press.
+ */
+ if (!down) {
+ hgpk_reset_hack_state(psmouse);
+ goto done;
+ }
+
+ /*
+ * Weed out duplicate packets (we get quite a few, and they mess up
+ * our jump detection)
+ */
+ if (x == priv->abs_x && y == priv->abs_y) {
+ if (++priv->dupe_count > SPEW_WATCH_COUNT) {
+ if (tpdebug)
+ hgpk_dbg(psmouse, "hard spew detected\n");
+ priv->spew_flag = RECALIBRATING;
+ psmouse_queue_work(psmouse, &priv->recalib_wq,
+ msecs_to_jiffies(spew_delay));
+ }
+ goto done;
+ }
- left = packet[0] & 1;
- right = (packet[0] >> 1) & 1;
+ /* not a duplicate, continue with position reporting */
+ priv->dupe_count = 0;
+
+ /* Don't apply hacks in PT mode, it seems reliable */
+ if (priv->mode != HGPK_MODE_PENTABLET && priv->abs_x != -1) {
+ int x_diff = priv->abs_x - x;
+ int y_diff = priv->abs_y - y;
+ if (hgpk_discard_decay_hack(psmouse, x_diff, y_diff)) {
+ if (tpdebug)
+ hgpk_dbg(psmouse, "discarding\n");
+ goto done;
+ }
+ hgpk_spewing_hack(psmouse, left, right, x_diff, y_diff);
+ }
- x = packet[1] - ((packet[0] << 4) & 0x100);
- y = ((packet[0] << 3) & 0x100) - packet[2];
+ input_report_abs(idev, ABS_X, x);
+ input_report_abs(idev, ABS_Y, y);
+ priv->abs_x = x;
+ priv->abs_y = y;
+
+done:
+ input_sync(idev);
+}
+
+static void hgpk_process_simple_packet(struct psmouse *psmouse)
+{
+ struct input_dev *dev = psmouse->dev;
+ unsigned char *packet = psmouse->packet;
+ int left = packet[0] & 1;
+ int right = (packet[0] >> 1) & 1;
+ int x = packet[1] - ((packet[0] << 4) & 0x100);
+ int y = ((packet[0] << 3) & 0x100) - packet[2];
+
+ if (packet[0] & 0xc0)
+ hgpk_dbg(psmouse,
+ "overflow -- 0x%02x 0x%02x 0x%02x\n",
+ packet[0], packet[1], packet[2]);
+
+ if (hgpk_discard_decay_hack(psmouse, x, y)) {
+ if (tpdebug)
+ hgpk_dbg(psmouse, "discarding\n");
+ return;
+ }
- hgpk_jumpy_hack(psmouse, x, y);
hgpk_spewing_hack(psmouse, left, right, x, y);
if (tpdebug)
@@ -180,15 +464,14 @@ static psmouse_ret_t hgpk_process_byte(struct psmouse *psmouse)
{
struct hgpk_data *priv = psmouse->private;
- if (hgpk_validate_byte(psmouse->packet)) {
- hgpk_dbg(psmouse, "%s: (%d) %02x %02x %02x\n",
- __func__, psmouse->pktcnt, psmouse->packet[0],
- psmouse->packet[1], psmouse->packet[2]);
+ if (!hgpk_is_byte_valid(psmouse, psmouse->packet))
return PSMOUSE_BAD_DATA;
- }
if (psmouse->pktcnt >= psmouse->pktsize) {
- hgpk_process_packet(psmouse);
+ if (priv->mode == HGPK_MODE_MOUSE)
+ hgpk_process_simple_packet(psmouse);
+ else
+ hgpk_process_advanced_packet(psmouse);
return PSMOUSE_FULL_PACKET;
}
@@ -210,33 +493,176 @@ static psmouse_ret_t hgpk_process_byte(struct psmouse *psmouse)
return PSMOUSE_GOOD_DATA;
}
+static int hgpk_select_mode(struct psmouse *psmouse)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ struct hgpk_data *priv = psmouse->private;
+ int i;
+ int cmd;
+
+ /*
+ * 4 disables to enable advanced mode
+ * then 3 0xf2 bytes as the preamble for GS/PT selection
+ */
+ const int advanced_init[] = {
+ PSMOUSE_CMD_DISABLE, PSMOUSE_CMD_DISABLE,
+ PSMOUSE_CMD_DISABLE, PSMOUSE_CMD_DISABLE,
+ 0xf2, 0xf2, 0xf2,
+ };
+
+ switch (priv->mode) {
+ case HGPK_MODE_MOUSE:
+ psmouse->pktsize = 3;
+ break;
+
+ case HGPK_MODE_GLIDESENSOR:
+ case HGPK_MODE_PENTABLET:
+ psmouse->pktsize = 6;
+
+ /* Switch to 'Advanced mode.', four disables in a row. */
+ for (i = 0; i < ARRAY_SIZE(advanced_init); i++)
+ if (ps2_command(ps2dev, NULL, advanced_init[i]))
+ return -EIO;
+
+ /* select between GlideSensor (mouse) or PenTablet */
+ cmd = priv->mode == HGPK_MODE_GLIDESENSOR ?
+ PSMOUSE_CMD_SETSCALE11 : PSMOUSE_CMD_SETSCALE21;
+
+ if (ps2_command(ps2dev, NULL, cmd))
+ return -EIO;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void hgpk_setup_input_device(struct input_dev *input,
+ struct input_dev *old_input,
+ enum hgpk_mode mode)
+{
+ if (old_input) {
+ input->name = old_input->name;
+ input->phys = old_input->phys;
+ input->id = old_input->id;
+ input->dev.parent = old_input->dev.parent;
+ }
+
+ memset(input->evbit, 0, sizeof(input->evbit));
+ memset(input->relbit, 0, sizeof(input->relbit));
+ memset(input->keybit, 0, sizeof(input->keybit));
+
+ /* All modes report left and right buttons */
+ __set_bit(EV_KEY, input->evbit);
+ __set_bit(BTN_LEFT, input->keybit);
+ __set_bit(BTN_RIGHT, input->keybit);
+
+ switch (mode) {
+ case HGPK_MODE_MOUSE:
+ __set_bit(EV_REL, input->evbit);
+ __set_bit(REL_X, input->relbit);
+ __set_bit(REL_Y, input->relbit);
+ break;
+
+ case HGPK_MODE_GLIDESENSOR:
+ __set_bit(BTN_TOUCH, input->keybit);
+ __set_bit(BTN_TOOL_FINGER, input->keybit);
+
+ __set_bit(EV_ABS, input->evbit);
+
+ /* GlideSensor has pressure sensor, PenTablet does not */
+ input_set_abs_params(input, ABS_PRESSURE, 0, 15, 0, 0);
+
+ /* From device specs */
+ input_set_abs_params(input, ABS_X, 0, 399, 0, 0);
+ input_set_abs_params(input, ABS_Y, 0, 290, 0, 0);
+
+ /* Calculated by hand based on usable size (52mm x 38mm) */
+ input_abs_set_res(input, ABS_X, 8);
+ input_abs_set_res(input, ABS_Y, 8);
+ break;
+
+ case HGPK_MODE_PENTABLET:
+ __set_bit(BTN_TOUCH, input->keybit);
+ __set_bit(BTN_TOOL_FINGER, input->keybit);
+
+ __set_bit(EV_ABS, input->evbit);
+
+ /* From device specs */
+ input_set_abs_params(input, ABS_X, 0, 999, 0, 0);
+ input_set_abs_params(input, ABS_Y, 5, 239, 0, 0);
+
+ /* Calculated by hand based on usable size (156mm x 38mm) */
+ input_abs_set_res(input, ABS_X, 6);
+ input_abs_set_res(input, ABS_Y, 8);
+ break;
+
+ default:
+ BUG();
+ }
+}
+
+static int hgpk_reset_device(struct psmouse *psmouse, bool recalibrate)
+{
+ int err;
+
+ psmouse_reset(psmouse);
+
+ if (recalibrate) {
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+
+ /* send the recalibrate request */
+ if (ps2_command(ps2dev, NULL, 0xf5) ||
+ ps2_command(ps2dev, NULL, 0xf5) ||
+ ps2_command(ps2dev, NULL, 0xe6) ||
+ ps2_command(ps2dev, NULL, 0xf5)) {
+ return -1;
+ }
+
+ /* according to ALPS, 150mS is required for recalibration */
+ msleep(150);
+ }
+
+ err = hgpk_select_mode(psmouse);
+ if (err) {
+ hgpk_err(psmouse, "failed to select mode\n");
+ return err;
+ }
+
+ hgpk_reset_hack_state(psmouse);
+
+ return 0;
+}
+
static int hgpk_force_recalibrate(struct psmouse *psmouse)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
struct hgpk_data *priv = psmouse->private;
+ int err;
/* C-series touchpads added the recalibrate command */
if (psmouse->model < HGPK_MODEL_C)
return 0;
+ if (!autorecal) {
+ hgpk_dbg(psmouse, "recalibrations disabled, ignoring\n");
+ return 0;
+ }
+
+ hgpk_dbg(psmouse, "recalibrating touchpad..\n");
+
/* we don't want to race with the irq handler, nor with resyncs */
psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
/* start by resetting the device */
- psmouse_reset(psmouse);
-
- /* send the recalibrate request */
- if (ps2_command(ps2dev, NULL, 0xf5) ||
- ps2_command(ps2dev, NULL, 0xf5) ||
- ps2_command(ps2dev, NULL, 0xe6) ||
- ps2_command(ps2dev, NULL, 0xf5)) {
- return -1;
- }
-
- /* according to ALPS, 150mS is required for recalibration */
- msleep(150);
+ err = hgpk_reset_device(psmouse, true);
+ if (err)
+ return err;
- /* XXX: If a finger is down during this delay, recalibration will
+ /*
+ * XXX: If a finger is down during this delay, recalibration will
* detect capacitance incorrectly. This is a hardware bug, and
* we don't have a good way to deal with it. The 2s window stuff
* (below) is our best option for now.
@@ -247,25 +673,35 @@ static int hgpk_force_recalibrate(struct psmouse *psmouse)
psmouse_set_state(psmouse, PSMOUSE_ACTIVATED);
- /* After we recalibrate, we shouldn't get any packets for 2s. If
- * we do, it's likely that someone's finger was on the touchpad.
- * If someone's finger *was* on the touchpad, it's probably
- * miscalibrated. So, we should schedule another recalibration
+ if (tpdebug)
+ hgpk_dbg(psmouse, "touchpad reactivated\n");
+
+ /*
+ * If we get packets right away after recalibrating, it's likely
+ * that a finger was on the touchpad. If so, it's probably
+ * miscalibrated, so we optionally schedule another.
*/
- priv->recalib_window = jiffies + msecs_to_jiffies(recal_guard_time);
+ if (recal_guard_time)
+ priv->recalib_window = jiffies +
+ msecs_to_jiffies(recal_guard_time);
return 0;
}
/*
- * This kills power to the touchpad; according to ALPS, current consumption
- * goes down to 50uA after running this. To turn power back on, we drive
- * MS-DAT low.
+ * This puts the touchpad in a power saving mode; according to ALPS, current
+ * consumption goes down to 50uA after running this. To turn power back on,
+ * we drive MS-DAT low. Measuring with a 1mA resolution ammeter says that
+ * the current on the SUS_3.3V rail drops from 3mA or 4mA to 0 when we do this.
+ *
+ * We have no formal spec that details this operation -- the low-power
+ * sequence came from a long-lost email trail.
*/
-static int hgpk_toggle_power(struct psmouse *psmouse, int enable)
+static int hgpk_toggle_powersave(struct psmouse *psmouse, int enable)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
int timeo;
+ int err;
/* Added on D-series touchpads */
if (psmouse->model < HGPK_MODEL_D)
@@ -279,24 +715,27 @@ static int hgpk_toggle_power(struct psmouse *psmouse, int enable)
* the controller. Once we get an ACK back from it, it
* means we can continue with the touchpad re-init. ALPS
* tells us that 1s should be long enough, so set that as
- * the upper bound.
+ * the upper bound. (in practice, it takes about 3 loops.)
*/
for (timeo = 20; timeo > 0; timeo--) {
if (!ps2_sendbyte(&psmouse->ps2dev,
PSMOUSE_CMD_DISABLE, 20))
break;
- msleep(50);
+ msleep(25);
}
- psmouse_reset(psmouse);
+ err = hgpk_reset_device(psmouse, false);
+ if (err) {
+ hgpk_err(psmouse, "Failed to reset device!\n");
+ return err;
+ }
/* should be all set, enable the touchpad */
ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE);
psmouse_set_state(psmouse, PSMOUSE_ACTIVATED);
-
+ hgpk_dbg(psmouse, "Touchpad powered up.\n");
} else {
hgpk_dbg(psmouse, "Powering off touchpad.\n");
- psmouse_set_state(psmouse, PSMOUSE_IGNORE);
if (ps2_command(ps2dev, NULL, 0xec) ||
ps2_command(ps2dev, NULL, 0xec) ||
@@ -304,6 +743,8 @@ static int hgpk_toggle_power(struct psmouse *psmouse, int enable)
return -1;
}
+ psmouse_set_state(psmouse, PSMOUSE_IGNORE);
+
/* probably won't see an ACK, the touchpad will be off */
ps2_sendbyte(&psmouse->ps2dev, 0xec, 20);
}
@@ -319,17 +760,20 @@ static int hgpk_poll(struct psmouse *psmouse)
static int hgpk_reconnect(struct psmouse *psmouse)
{
- /* During suspend/resume the ps2 rails remain powered. We don't want
+ struct hgpk_data *priv = psmouse->private;
+
+ /*
+ * During suspend/resume the ps2 rails remain powered. We don't want
* to do a reset because it's flush data out of buffers; however,
- * earlier prototypes (B1) had some brokenness that required a reset. */
+ * earlier prototypes (B1) had some brokenness that required a reset.
+ */
if (olpc_board_at_least(olpc_board(0xb2)))
if (psmouse->ps2dev.serio->dev.power.power_state.event !=
PM_EVENT_ON)
return 0;
- psmouse_reset(psmouse);
-
- return 0;
+ priv->powered = 1;
+ return hgpk_reset_device(psmouse, false);
}
static ssize_t hgpk_show_powered(struct psmouse *psmouse, void *data, char *buf)
@@ -355,7 +799,7 @@ static ssize_t hgpk_set_powered(struct psmouse *psmouse, void *data,
* hgpk_toggle_power will deal w/ state so
* we're not racing w/ irq
*/
- err = hgpk_toggle_power(psmouse, value);
+ err = hgpk_toggle_powersave(psmouse, value);
if (!err)
priv->powered = value;
}
@@ -366,6 +810,65 @@ static ssize_t hgpk_set_powered(struct psmouse *psmouse, void *data,
__PSMOUSE_DEFINE_ATTR(powered, S_IWUSR | S_IRUGO, NULL,
hgpk_show_powered, hgpk_set_powered, false);
+static ssize_t attr_show_mode(struct psmouse *psmouse, void *data, char *buf)
+{
+ struct hgpk_data *priv = psmouse->private;
+
+ return sprintf(buf, "%s\n", hgpk_mode_names[priv->mode]);
+}
+
+static ssize_t attr_set_mode(struct psmouse *psmouse, void *data,
+ const char *buf, size_t len)
+{
+ struct hgpk_data *priv = psmouse->private;
+ enum hgpk_mode old_mode = priv->mode;
+ enum hgpk_mode new_mode = hgpk_mode_from_name(buf, len);
+ struct input_dev *old_dev = psmouse->dev;
+ struct input_dev *new_dev;
+ int err;
+
+ if (new_mode == HGPK_MODE_INVALID)
+ return -EINVAL;
+
+ if (old_mode == new_mode)
+ return len;
+
+ new_dev = input_allocate_device();
+ if (!new_dev)
+ return -ENOMEM;
+
+ psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
+
+ /* Switch device into the new mode */
+ priv->mode = new_mode;
+ err = hgpk_reset_device(psmouse, false);
+ if (err)
+ goto err_try_restore;
+
+ hgpk_setup_input_device(new_dev, old_dev, new_mode);
+
+ psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
+
+ err = input_register_device(new_dev);
+ if (err)
+ goto err_try_restore;
+
+ psmouse->dev = new_dev;
+ input_unregister_device(old_dev);
+
+ return len;
+
+err_try_restore:
+ input_free_device(new_dev);
+ priv->mode = old_mode;
+ hgpk_reset_device(psmouse, false);
+
+ return err;
+}
+
+PSMOUSE_DEFINE_ATTR(hgpk_mode, S_IWUSR | S_IRUGO, NULL,
+ attr_show_mode, attr_set_mode);
+
static ssize_t hgpk_trigger_recal_show(struct psmouse *psmouse,
void *data, char *buf)
{
@@ -401,6 +904,8 @@ static void hgpk_disconnect(struct psmouse *psmouse)
device_remove_file(&psmouse->ps2dev.serio->dev,
&psmouse_attr_powered.dattr);
+ device_remove_file(&psmouse->ps2dev.serio->dev,
+ &psmouse_attr_hgpk_mode.dattr);
if (psmouse->model >= HGPK_MODEL_C)
device_remove_file(&psmouse->ps2dev.serio->dev,
@@ -416,14 +921,13 @@ static void hgpk_recalib_work(struct work_struct *work)
struct hgpk_data *priv = container_of(w, struct hgpk_data, recalib_wq);
struct psmouse *psmouse = priv->psmouse;
- hgpk_dbg(psmouse, "recalibrating touchpad..\n");
-
if (hgpk_force_recalibrate(psmouse))
hgpk_err(psmouse, "recalibration failed!\n");
}
static int hgpk_register(struct psmouse *psmouse)
{
+ struct hgpk_data *priv = psmouse->private;
int err;
/* register handlers */
@@ -431,13 +935,14 @@ static int hgpk_register(struct psmouse *psmouse)
psmouse->poll = hgpk_poll;
psmouse->disconnect = hgpk_disconnect;
psmouse->reconnect = hgpk_reconnect;
- psmouse->pktsize = 3;
/* Disable the idle resync. */
psmouse->resync_time = 0;
/* Reset after a lot of bad bytes. */
psmouse->resetafter = 1024;
+ hgpk_setup_input_device(psmouse->dev, NULL, priv->mode);
+
err = device_create_file(&psmouse->ps2dev.serio->dev,
&psmouse_attr_powered.dattr);
if (err) {
@@ -445,6 +950,13 @@ static int hgpk_register(struct psmouse *psmouse)
return err;
}
+ err = device_create_file(&psmouse->ps2dev.serio->dev,
+ &psmouse_attr_hgpk_mode.dattr);
+ if (err) {
+ hgpk_err(psmouse, "Failed creating 'hgpk_mode' sysfs node\n");
+ goto err_remove_powered;
+ }
+
/* C-series touchpads added the recalibrate command */
if (psmouse->model >= HGPK_MODEL_C) {
err = device_create_file(&psmouse->ps2dev.serio->dev,
@@ -452,30 +964,40 @@ static int hgpk_register(struct psmouse *psmouse)
if (err) {
hgpk_err(psmouse,
"Failed creating 'recalibrate' sysfs node\n");
- device_remove_file(&psmouse->ps2dev.serio->dev,
- &psmouse_attr_powered.dattr);
- return err;
+ goto err_remove_mode;
}
}
return 0;
+
+err_remove_mode:
+ device_remove_file(&psmouse->ps2dev.serio->dev,
+ &psmouse_attr_hgpk_mode.dattr);
+err_remove_powered:
+ device_remove_file(&psmouse->ps2dev.serio->dev,
+ &psmouse_attr_powered.dattr);
+ return err;
}
int hgpk_init(struct psmouse *psmouse)
{
struct hgpk_data *priv;
- int err = -ENOMEM;
+ int err;
priv = kzalloc(sizeof(struct hgpk_data), GFP_KERNEL);
- if (!priv)
+ if (!priv) {
+ err = -ENOMEM;
goto alloc_fail;
+ }
psmouse->private = priv;
+
priv->psmouse = psmouse;
priv->powered = true;
+ priv->mode = hgpk_default_mode;
INIT_DELAYED_WORK(&priv->recalib_wq, hgpk_recalib_work);
- err = psmouse_reset(psmouse);
+ err = hgpk_reset_device(psmouse, false);
if (err)
goto init_fail;
@@ -531,3 +1053,14 @@ int hgpk_detect(struct psmouse *psmouse, bool set_properties)
return 0;
}
+
+void hgpk_module_init(void)
+{
+ hgpk_default_mode = hgpk_mode_from_name(hgpk_mode_name,
+ strlen(hgpk_mode_name));
+ if (hgpk_default_mode == HGPK_MODE_INVALID) {
+ hgpk_default_mode = HGPK_MODE_MOUSE;
+ strlcpy(hgpk_mode_name, hgpk_mode_names[HGPK_MODE_MOUSE],
+ sizeof(hgpk_mode_name));
+ }
+}
diff --git a/drivers/input/mouse/hgpk.h b/drivers/input/mouse/hgpk.h
index d61cfd3ee9c..311c0e87fcb 100644
--- a/drivers/input/mouse/hgpk.h
+++ b/drivers/input/mouse/hgpk.h
@@ -5,6 +5,9 @@
#ifndef _HGPK_H
#define _HGPK_H
+#define HGPK_GS 0xff /* The GlideSensor */
+#define HGPK_PT 0xcf /* The PenTablet */
+
enum hgpk_model_t {
HGPK_MODEL_PREA = 0x0a, /* pre-B1s */
HGPK_MODEL_A = 0x14, /* found on B1s, PT disabled in hardware */
@@ -13,12 +16,34 @@ enum hgpk_model_t {
HGPK_MODEL_D = 0x50, /* C1, mass production */
};
+enum hgpk_spew_flag {
+ NO_SPEW,
+ MAYBE_SPEWING,
+ SPEW_DETECTED,
+ RECALIBRATING,
+};
+
+#define SPEW_WATCH_COUNT 42 /* at 12ms/packet, this is 1/2 second */
+
+enum hgpk_mode {
+ HGPK_MODE_MOUSE,
+ HGPK_MODE_GLIDESENSOR,
+ HGPK_MODE_PENTABLET,
+ HGPK_MODE_INVALID
+};
+
struct hgpk_data {
struct psmouse *psmouse;
+ enum hgpk_mode mode;
bool powered;
- int count, x_tally, y_tally; /* hardware workaround stuff */
+ enum hgpk_spew_flag spew_flag;
+ int spew_count, x_tally, y_tally; /* spew detection */
unsigned long recalib_window;
struct delayed_work recalib_wq;
+ int abs_x, abs_y;
+ int dupe_count;
+ int xbigj, ybigj, xlast, ylast; /* jumpiness detection */
+ int xsaw_secondary, ysaw_secondary; /* jumpiness detection */
};
#define hgpk_dbg(psmouse, format, arg...) \
@@ -33,9 +58,13 @@ struct hgpk_data {
dev_notice(&(psmouse)->ps2dev.serio->dev, format, ## arg)
#ifdef CONFIG_MOUSE_PS2_OLPC
+void hgpk_module_init(void);
int hgpk_detect(struct psmouse *psmouse, bool set_properties);
int hgpk_init(struct psmouse *psmouse);
#else
+static inline void hgpk_module_init(void)
+{
+}
static inline int hgpk_detect(struct psmouse *psmouse, bool set_properties)
{
return -ENODEV;
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index cd9d0c97e42..3f74baee102 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1711,6 +1711,7 @@ static int __init psmouse_init(void)
lifebook_module_init();
synaptics_module_init();
+ hgpk_module_init();
kpsmoused_wq = create_singlethread_workqueue("kpsmoused");
if (!kpsmoused_wq) {
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 2e300a46055..da392c22fc6 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -25,7 +25,7 @@
#include <linux/module.h>
#include <linux/dmi.h>
-#include <linux/input.h>
+#include <linux/input/mt.h>
#include <linux/serio.h>
#include <linux/libps2.h>
#include <linux/slab.h>
@@ -279,6 +279,25 @@ static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate)
synaptics_mode_cmd(psmouse, priv->mode);
}
+static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
+{
+ static unsigned char param = 0xc8;
+ struct synaptics_data *priv = psmouse->private;
+
+ if (!SYN_CAP_ADV_GESTURE(priv->ext_cap_0c))
+ return 0;
+
+ if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL))
+ return -1;
+ if (ps2_command(&psmouse->ps2dev, &param, PSMOUSE_CMD_SETRATE))
+ return -1;
+
+ /* Advanced gesture mode also sends multi finger data */
+ priv->capabilities |= BIT(1);
+
+ return 0;
+}
+
/*****************************************************************************
* Synaptics pass-through PS/2 port support
****************************************************************************/
@@ -380,7 +399,9 @@ static void synaptics_pt_create(struct psmouse *psmouse)
* Functions to interpret the absolute mode packets
****************************************************************************/
-static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data *priv, struct synaptics_hw_state *hw)
+static int synaptics_parse_hw_state(const unsigned char buf[],
+ struct synaptics_data *priv,
+ struct synaptics_hw_state *hw)
{
memset(hw, 0, sizeof(struct synaptics_hw_state));
@@ -397,6 +418,14 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data
((buf[0] & 0x04) >> 1) |
((buf[3] & 0x04) >> 2));
+ if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) && hw->w == 2) {
+ /* Gesture packet: (x, y, z) at half resolution */
+ priv->mt.x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1;
+ priv->mt.y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1;
+ priv->mt.z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1;
+ return 1;
+ }
+
hw->left = (buf[0] & 0x01) ? 1 : 0;
hw->right = (buf[0] & 0x02) ? 1 : 0;
@@ -452,6 +481,36 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data
hw->left = (buf[0] & 0x01) ? 1 : 0;
hw->right = (buf[0] & 0x02) ? 1 : 0;
}
+
+ return 0;
+}
+
+static void set_slot(struct input_dev *dev, int slot, bool active, int x, int y)
+{
+ input_mt_slot(dev, slot);
+ input_mt_report_slot_state(dev, MT_TOOL_FINGER, active);
+ if (active) {
+ input_report_abs(dev, ABS_MT_POSITION_X, x);
+ input_report_abs(dev, ABS_MT_POSITION_Y,
+ YMAX_NOMINAL + YMIN_NOMINAL - y);
+ }
+}
+
+static void synaptics_report_semi_mt_data(struct input_dev *dev,
+ const struct synaptics_hw_state *a,
+ const struct synaptics_hw_state *b,
+ int num_fingers)
+{
+ if (num_fingers >= 2) {
+ set_slot(dev, 0, true, min(a->x, b->x), min(a->y, b->y));
+ set_slot(dev, 1, true, max(a->x, b->x), max(a->y, b->y));
+ } else if (num_fingers == 1) {
+ set_slot(dev, 0, true, a->x, a->y);
+ set_slot(dev, 1, false, 0, 0);
+ } else {
+ set_slot(dev, 0, false, 0, 0);
+ set_slot(dev, 1, false, 0, 0);
+ }
}
/*
@@ -466,7 +525,8 @@ static void synaptics_process_packet(struct psmouse *psmouse)
int finger_width;
int i;
- synaptics_parse_hw_state(psmouse->packet, priv, &hw);
+ if (synaptics_parse_hw_state(psmouse->packet, priv, &hw))
+ return;
if (hw.scroll) {
priv->scroll += hw.scroll;
@@ -488,7 +548,7 @@ static void synaptics_process_packet(struct psmouse *psmouse)
return;
}
- if (hw.z > 0) {
+ if (hw.z > 0 && hw.x > 1) {
num_fingers = 1;
finger_width = 5;
if (SYN_CAP_EXTENDED(priv->capabilities)) {
@@ -512,6 +572,9 @@ static void synaptics_process_packet(struct psmouse *psmouse)
finger_width = 0;
}
+ if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c))
+ synaptics_report_semi_mt_data(dev, &hw, &priv->mt, num_fingers);
+
/* Post events
* BTN_TOUCH has to be first as mousedev relies on it when doing
* absolute -> relative conversion
@@ -519,7 +582,7 @@ static void synaptics_process_packet(struct psmouse *psmouse)
if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1);
if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0);
- if (hw.z > 0) {
+ if (num_fingers > 0) {
input_report_abs(dev, ABS_X, hw.x);
input_report_abs(dev, ABS_Y, YMAX_NOMINAL + YMIN_NOMINAL - hw.y);
}
@@ -622,6 +685,8 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
{
int i;
+ __set_bit(INPUT_PROP_POINTER, dev->propbit);
+
__set_bit(EV_ABS, dev->evbit);
input_set_abs_params(dev, ABS_X,
XMIN_NOMINAL, priv->x_max ?: XMAX_NOMINAL, 0, 0);
@@ -629,6 +694,15 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
YMIN_NOMINAL, priv->y_max ?: YMAX_NOMINAL, 0, 0);
input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
+ if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) {
+ __set_bit(INPUT_PROP_SEMI_MT, dev->propbit);
+ input_mt_init_slots(dev, 2);
+ input_set_abs_params(dev, ABS_MT_POSITION_X, XMIN_NOMINAL,
+ priv->x_max ?: XMAX_NOMINAL, 0, 0);
+ input_set_abs_params(dev, ABS_MT_POSITION_Y, YMIN_NOMINAL,
+ priv->y_max ?: YMAX_NOMINAL, 0, 0);
+ }
+
if (SYN_CAP_PALMDETECT(priv->capabilities))
input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
@@ -663,6 +737,7 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
input_abs_set_res(dev, ABS_Y, priv->y_res);
if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
+ __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
/* Clickpads report only left button */
__clear_bit(BTN_RIGHT, dev->keybit);
__clear_bit(BTN_MIDDLE, dev->keybit);
@@ -702,6 +777,11 @@ static int synaptics_reconnect(struct psmouse *psmouse)
return -1;
}
+ if (synaptics_set_advanced_gesture_mode(psmouse)) {
+ printk(KERN_ERR "Advanced gesture mode reconnect failed.\n");
+ return -1;
+ }
+
return 0;
}
@@ -744,15 +824,45 @@ static const struct dmi_system_id __initconst toshiba_dmi_table[] = {
#endif
};
+static bool broken_olpc_ec;
+
+static const struct dmi_system_id __initconst olpc_dmi_table[] = {
+#if defined(CONFIG_DMI) && defined(CONFIG_OLPC)
+ {
+ /* OLPC XO-1 or XO-1.5 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "OLPC"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "XO"),
+ },
+ },
+ { }
+#endif
+};
+
void __init synaptics_module_init(void)
{
impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table);
+ broken_olpc_ec = dmi_check_system(olpc_dmi_table);
}
int synaptics_init(struct psmouse *psmouse)
{
struct synaptics_data *priv;
+ /*
+ * The OLPC XO has issues with Synaptics' absolute mode; similarly to
+ * the HGPK, it quickly degrades and the hardware becomes jumpy and
+ * overly sensitive. Not only that, but the constant packet spew
+ * (even at a lowered 40pps rate) overloads the EC such that key
+ * presses on the keyboard are missed. Given all of that, don't
+ * even attempt to use Synaptics mode. Relative mode seems to work
+ * just fine.
+ */
+ if (broken_olpc_ec) {
+ printk(KERN_INFO "synaptics: OLPC XO detected, not enabling Synaptics protocol.\n");
+ return -ENODEV;
+ }
+
psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL);
if (!priv)
return -ENOMEM;
@@ -769,6 +879,11 @@ int synaptics_init(struct psmouse *psmouse)
goto init_fail;
}
+ if (synaptics_set_advanced_gesture_mode(psmouse)) {
+ printk(KERN_ERR "Advanced gesture mode init failed.\n");
+ goto init_fail;
+ }
+
priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS;
printk(KERN_INFO "Synaptics Touchpad, model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\n",
@@ -802,8 +917,8 @@ int synaptics_init(struct psmouse *psmouse)
/*
* Toshiba's KBC seems to have trouble handling data from
- * Synaptics as full rate, switch to lower rate which is roughly
- * thye same as rate of standard PS/2 mouse.
+ * Synaptics at full rate. Switch to a lower rate (roughly
+ * the same rate as a standard PS/2 mouse).
*/
if (psmouse->rate >= 80 && impaired_toshiba_kbc) {
printk(KERN_INFO "synaptics: Toshiba %s detected, limiting rate to 40pps.\n",
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index 0aefaa88587..25e5d042a72 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -54,6 +54,7 @@
#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */
#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */
#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000)
+#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000)
/* synaptics modes query bits */
#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))
@@ -113,6 +114,8 @@ struct synaptics_data {
int scroll;
struct serio *pt_port; /* Pass-through serio port */
+
+ struct synaptics_hw_state mt; /* current gesture packet */
};
void synaptics_module_init(void);
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 2a00ddf4f23..7630273e947 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -9,6 +9,8 @@
* the Free Software Foundation.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#define MOUSEDEV_MINOR_BASE 32
#define MOUSEDEV_MINORS 32
#define MOUSEDEV_MIX 31
@@ -977,7 +979,7 @@ static int mousedev_connect(struct input_handler *handler,
break;
if (minor == MOUSEDEV_MINORS) {
- printk(KERN_ERR "mousedev: no more free mousedev devices\n");
+ pr_err("no more free mousedev devices\n");
return -ENFILE;
}
@@ -1087,13 +1089,13 @@ static int __init mousedev_init(void)
#ifdef CONFIG_INPUT_MOUSEDEV_PSAUX
error = misc_register(&psaux_mouse);
if (error)
- printk(KERN_WARNING "mice: could not register psaux device, "
- "error: %d\n", error);
+ pr_warning("could not register psaux device, error: %d\n",
+ error);
else
psaux_registered = 1;
#endif
- printk(KERN_INFO "mice: PS/2 mouse device common for all mice\n");
+ pr_info("PS/2 mouse device common for all mice\n");
return 0;
}
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
index 8f1770e1e08..ebe95532567 100644
--- a/drivers/input/serio/ams_delta_serio.c
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -172,6 +172,5 @@ static void __exit ams_delta_serio_exit(void)
free_irq(OMAP_GPIO_IRQ(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), 0);
gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
- kfree(ams_delta_serio);
}
module_exit(ams_delta_serio_exit);
diff --git a/drivers/input/serio/ct82c710.c b/drivers/input/serio/ct82c710.c
index 4a3084695c0..448c7724beb 100644
--- a/drivers/input/serio/ct82c710.c
+++ b/drivers/input/serio/ct82c710.c
@@ -191,6 +191,9 @@ static int __devinit ct82c710_probe(struct platform_device *dev)
serio_register_port(ct82c710_port);
+ printk(KERN_INFO "serio: C&T 82c710 mouse port at %#llx irq %d\n",
+ (unsigned long long)CT82C710_DATA, CT82C710_IRQ);
+
return 0;
}
@@ -237,11 +240,6 @@ static int __init ct82c710_init(void)
if (error)
goto err_free_device;
- serio_register_port(ct82c710_port);
-
- printk(KERN_INFO "serio: C&T 82c710 mouse port at %#llx irq %d\n",
- (unsigned long long)CT82C710_DATA, CT82C710_IRQ);
-
return 0;
err_free_device:
diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c
index e5624d8f170..bfd3865d886 100644
--- a/drivers/input/serio/hil_mlc.c
+++ b/drivers/input/serio/hil_mlc.c
@@ -932,6 +932,11 @@ int hil_mlc_register(hil_mlc *mlc)
hil_mlc_copy_di_scratch(mlc, i);
mlc_serio = kzalloc(sizeof(*mlc_serio), GFP_KERNEL);
mlc->serio[i] = mlc_serio;
+ if (!mlc->serio[i]) {
+ for (; i >= 0; i--)
+ kfree(mlc->serio[i]);
+ return -ENOMEM;
+ }
snprintf(mlc_serio->name, sizeof(mlc_serio->name)-1, "HIL_SERIO%d", i);
snprintf(mlc_serio->phys, sizeof(mlc_serio->phys)-1, "HIL%d", i);
mlc_serio->id = hil_mlc_serio_id;
diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c
index 7d2b820ef58..d50f0678bf4 100644
--- a/drivers/input/serio/hp_sdc_mlc.c
+++ b/drivers/input/serio/hp_sdc_mlc.c
@@ -305,6 +305,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc)
static int __init hp_sdc_mlc_init(void)
{
hil_mlc *mlc = &hp_sdc_mlc;
+ int err;
#ifdef __mc68000__
if (!MACH_IS_HP300)
@@ -323,22 +324,21 @@ static int __init hp_sdc_mlc_init(void)
mlc->out = &hp_sdc_mlc_out;
mlc->priv = &hp_sdc_mlc_priv;
- if (hil_mlc_register(mlc)) {
+ err = hil_mlc_register(mlc);
+ if (err) {
printk(KERN_WARNING PREFIX "Failed to register MLC structure with hil_mlc\n");
- goto err0;
+ return err;
}
if (hp_sdc_request_hil_irq(&hp_sdc_mlc_isr)) {
printk(KERN_WARNING PREFIX "Request for raw HIL ISR hook denied\n");
- goto err1;
+ if (hil_mlc_unregister(mlc))
+ printk(KERN_ERR PREFIX "Failed to unregister MLC structure with hil_mlc.\n"
+ "This is bad. Could cause an oops.\n");
+ return -EBUSY;
}
+
return 0;
- err1:
- if (hil_mlc_unregister(mlc))
- printk(KERN_ERR PREFIX "Failed to unregister MLC structure with hil_mlc.\n"
- "This is bad. Could cause an oops.\n");
- err0:
- return -EBUSY;
}
static void __exit hp_sdc_mlc_exit(void)
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index a5475b57708..5ae0fc4578f 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -553,6 +553,13 @@ static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
*/
static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
{
+ /* Acer Aspire 5100 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
+ },
+ },
+ {
/* Acer Aspire 5610 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
@@ -752,7 +759,7 @@ static int __init i8042_pnp_init(void)
#endif
if (i8042_nopnp) {
- printk(KERN_INFO "i8042: PNP detection disabled\n");
+ pr_info("PNP detection disabled\n");
return 0;
}
@@ -769,7 +776,7 @@ static int __init i8042_pnp_init(void)
#if defined(__ia64__)
return -ENODEV;
#else
- printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
+ pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
return 0;
#endif
}
@@ -781,7 +788,7 @@ static int __init i8042_pnp_init(void)
snprintf(aux_irq_str, sizeof(aux_irq_str),
"%d", i8042_pnp_aux_irq);
- printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
+ pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
i8042_pnp_aux_name,
i8042_pnp_data_reg, i8042_pnp_command_reg,
@@ -798,9 +805,7 @@ static int __init i8042_pnp_init(void)
if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
i8042_pnp_data_reg != i8042_data_reg) ||
!i8042_pnp_data_reg) {
- printk(KERN_WARNING
- "PNP: PS/2 controller has invalid data port %#x; "
- "using default %#x\n",
+ pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
i8042_pnp_data_reg, i8042_data_reg);
i8042_pnp_data_reg = i8042_data_reg;
pnp_data_busted = true;
@@ -809,33 +814,27 @@ static int __init i8042_pnp_init(void)
if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
i8042_pnp_command_reg != i8042_command_reg) ||
!i8042_pnp_command_reg) {
- printk(KERN_WARNING
- "PNP: PS/2 controller has invalid command port %#x; "
- "using default %#x\n",
+ pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
i8042_pnp_command_reg, i8042_command_reg);
i8042_pnp_command_reg = i8042_command_reg;
pnp_data_busted = true;
}
if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
- printk(KERN_WARNING
- "PNP: PS/2 controller doesn't have KBD irq; "
- "using default %d\n", i8042_kbd_irq);
+ pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
+ i8042_kbd_irq);
i8042_pnp_kbd_irq = i8042_kbd_irq;
pnp_data_busted = true;
}
if (!i8042_noaux && !i8042_pnp_aux_irq) {
if (!pnp_data_busted && i8042_pnp_kbd_irq) {
- printk(KERN_WARNING
- "PNP: PS/2 appears to have AUX port disabled, "
- "if this is incorrect please boot with "
- "i8042.nopnp\n");
+ pr_warn("PNP: PS/2 appears to have AUX port disabled, "
+ "if this is incorrect please boot with i8042.nopnp\n");
i8042_noaux = true;
} else {
- printk(KERN_WARNING
- "PNP: PS/2 controller doesn't have AUX irq; "
- "using default %d\n", i8042_aux_irq);
+ pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
+ i8042_aux_irq);
i8042_pnp_aux_irq = i8042_aux_irq;
}
}
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 18db5a8c747..c04ff00a366 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -10,6 +10,8 @@
* the Free Software Foundation.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/module.h>
@@ -225,8 +227,8 @@ static int i8042_flush(void)
udelay(50);
data = i8042_read_data();
i++;
- dbg("%02x <- i8042 (flush, %s)", data,
- str & I8042_STR_AUXDATA ? "aux" : "kbd");
+ dbg("%02x <- i8042 (flush, %s)\n",
+ data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
}
spin_unlock_irqrestore(&i8042_lock, flags);
@@ -253,32 +255,32 @@ static int __i8042_command(unsigned char *param, int command)
if (error)
return error;
- dbg("%02x -> i8042 (command)", command & 0xff);
+ dbg("%02x -> i8042 (command)\n", command & 0xff);
i8042_write_command(command & 0xff);
for (i = 0; i < ((command >> 12) & 0xf); i++) {
error = i8042_wait_write();
if (error)
return error;
- dbg("%02x -> i8042 (parameter)", param[i]);
+ dbg("%02x -> i8042 (parameter)\n", param[i]);
i8042_write_data(param[i]);
}
for (i = 0; i < ((command >> 8) & 0xf); i++) {
error = i8042_wait_read();
if (error) {
- dbg(" -- i8042 (timeout)");
+ dbg(" -- i8042 (timeout)\n");
return error;
}
if (command == I8042_CMD_AUX_LOOP &&
!(i8042_read_status() & I8042_STR_AUXDATA)) {
- dbg(" -- i8042 (auxerr)");
+ dbg(" -- i8042 (auxerr)\n");
return -1;
}
param[i] = i8042_read_data();
- dbg("%02x <- i8042 (return)", param[i]);
+ dbg("%02x <- i8042 (return)\n", param[i]);
}
return 0;
@@ -309,7 +311,7 @@ static int i8042_kbd_write(struct serio *port, unsigned char c)
spin_lock_irqsave(&i8042_lock, flags);
if (!(retval = i8042_wait_write())) {
- dbg("%02x -> i8042 (kbd-data)", c);
+ dbg("%02x -> i8042 (kbd-data)\n", c);
i8042_write_data(c);
}
@@ -355,17 +357,14 @@ static void i8042_port_close(struct serio *serio)
i8042_ctr &= ~irq_bit;
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR))
- printk(KERN_WARNING
- "i8042.c: Can't write CTR while closing %s port.\n",
- port_name);
+ pr_warn("Can't write CTR while closing %s port\n", port_name);
udelay(50);
i8042_ctr &= ~disable_bit;
i8042_ctr |= irq_bit;
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR))
- printk(KERN_ERR "i8042.c: Can't reactivate %s port.\n",
- port_name);
+ pr_err("Can't reactivate %s port\n", port_name);
/*
* See if there is any data appeared while we were messing with
@@ -456,7 +455,8 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
str = i8042_read_status();
if (unlikely(~str & I8042_STR_OBF)) {
spin_unlock_irqrestore(&i8042_lock, flags);
- if (irq) dbg("Interrupt %d, without any data", irq);
+ if (irq)
+ dbg("Interrupt %d, without any data\n", irq);
ret = 0;
goto out;
}
@@ -469,7 +469,8 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
dfl = 0;
if (str & I8042_STR_MUXERR) {
- dbg("MUX error, status is %02x, data is %02x", str, data);
+ dbg("MUX error, status is %02x, data is %02x\n",
+ str, data);
/*
* When MUXERR condition is signalled the data register can only contain
* 0xfd, 0xfe or 0xff if implementation follows the spec. Unfortunately
@@ -512,7 +513,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
port = &i8042_ports[port_no];
serio = port->exists ? port->serio : NULL;
- dbg("%02x <- i8042 (interrupt, %d, %d%s%s)",
+ dbg("%02x <- i8042 (interrupt, %d, %d%s%s)\n",
data, port_no, irq,
dfl & SERIO_PARITY ? ", bad parity" : "",
dfl & SERIO_TIMEOUT ? ", timeout" : "");
@@ -540,7 +541,7 @@ static int i8042_enable_kbd_port(void)
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
i8042_ctr &= ~I8042_CTR_KBDINT;
i8042_ctr |= I8042_CTR_KBDDIS;
- printk(KERN_ERR "i8042.c: Failed to enable KBD port.\n");
+ pr_err("Failed to enable KBD port\n");
return -EIO;
}
@@ -559,7 +560,7 @@ static int i8042_enable_aux_port(void)
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
i8042_ctr &= ~I8042_CTR_AUXINT;
i8042_ctr |= I8042_CTR_AUXDIS;
- printk(KERN_ERR "i8042.c: Failed to enable AUX port.\n");
+ pr_err("Failed to enable AUX port\n");
return -EIO;
}
@@ -641,7 +642,7 @@ static int __init i8042_check_mux(void)
if (i8042_set_mux_mode(true, &mux_version))
return -1;
- printk(KERN_INFO "i8042.c: Detected active multiplexing controller, rev %d.%d.\n",
+ pr_info("Detected active multiplexing controller, rev %d.%d\n",
(mux_version >> 4) & 0xf, mux_version & 0xf);
/*
@@ -651,7 +652,7 @@ static int __init i8042_check_mux(void)
i8042_ctr &= ~I8042_CTR_AUXINT;
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
- printk(KERN_ERR "i8042.c: Failed to disable AUX port, can't use MUX.\n");
+ pr_err("Failed to disable AUX port, can't use MUX\n");
return -EIO;
}
@@ -676,8 +677,8 @@ static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id)
str = i8042_read_status();
if (str & I8042_STR_OBF) {
data = i8042_read_data();
- dbg("%02x <- i8042 (aux_test_irq, %s)",
- data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
+ dbg("%02x <- i8042 (aux_test_irq, %s)\n",
+ data, str & I8042_STR_AUXDATA ? "aux" : "kbd");
if (i8042_irq_being_tested &&
data == 0xa5 && (str & I8042_STR_AUXDATA))
complete(&i8042_aux_irq_delivered);
@@ -770,8 +771,8 @@ static int __init i8042_check_aux(void)
*/
if (i8042_toggle_aux(false)) {
- printk(KERN_WARNING "Failed to disable AUX port, but continuing anyway... Is this a SiS?\n");
- printk(KERN_WARNING "If AUX port is really absent please use the 'i8042.noaux' option.\n");
+ pr_warn("Failed to disable AUX port, but continuing anyway... Is this a SiS?\n");
+ pr_warn("If AUX port is really absent please use the 'i8042.noaux' option\n");
}
if (i8042_toggle_aux(true))
@@ -819,7 +820,7 @@ static int __init i8042_check_aux(void)
* AUX IRQ was never delivered so we need to flush the controller to
* get rid of the byte we put there; otherwise keyboard may not work.
*/
- dbg(" -- i8042 (aux irq test timeout)");
+ dbg(" -- i8042 (aux irq test timeout)\n");
i8042_flush();
retval = -1;
}
@@ -845,7 +846,7 @@ static int __init i8042_check_aux(void)
static int i8042_controller_check(void)
{
if (i8042_flush() == I8042_BUFFER_SIZE) {
- printk(KERN_ERR "i8042.c: No controller found.\n");
+ pr_err("No controller found\n");
return -ENODEV;
}
@@ -864,15 +865,15 @@ static int i8042_controller_selftest(void)
do {
if (i8042_command(&param, I8042_CMD_CTL_TEST)) {
- printk(KERN_ERR "i8042.c: i8042 controller self test timeout.\n");
+ pr_err("i8042 controller self test timeout\n");
return -ENODEV;
}
if (param == I8042_RET_CTL_TEST)
return 0;
- printk(KERN_ERR "i8042.c: i8042 controller selftest failed. (%#x != %#x)\n",
- param, I8042_RET_CTL_TEST);
+ pr_err("i8042 controller selftest failed. (%#x != %#x)\n",
+ param, I8042_RET_CTL_TEST);
msleep(50);
} while (i++ < 5);
@@ -883,8 +884,7 @@ static int i8042_controller_selftest(void)
* and user will still get a working keyboard. This is especially
* important on netbooks. On other arches we trust hardware more.
*/
- printk(KERN_INFO
- "i8042: giving up on controller selftest, continuing anyway...\n");
+ pr_info("giving up on controller selftest, continuing anyway...\n");
return 0;
#else
return -EIO;
@@ -909,8 +909,7 @@ static int i8042_controller_init(void)
do {
if (n >= 10) {
- printk(KERN_ERR
- "i8042.c: Unable to get stable CTR read.\n");
+ pr_err("Unable to get stable CTR read\n");
return -EIO;
}
@@ -918,8 +917,7 @@ static int i8042_controller_init(void)
udelay(50);
if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) {
- printk(KERN_ERR
- "i8042.c: Can't read CTR while initializing i8042.\n");
+ pr_err("Can't read CTR while initializing i8042\n");
return -EIO;
}
@@ -943,7 +941,7 @@ static int i8042_controller_init(void)
if (i8042_unlock)
i8042_ctr |= I8042_CTR_IGNKEYLOCK;
else
- printk(KERN_WARNING "i8042.c: Warning: Keylock active.\n");
+ pr_warn("Warning: Keylock active\n");
}
spin_unlock_irqrestore(&i8042_lock, flags);
@@ -970,7 +968,7 @@ static int i8042_controller_init(void)
*/
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
- printk(KERN_ERR "i8042.c: Can't write CTR while initializing i8042.\n");
+ pr_err("Can't write CTR while initializing i8042\n");
return -EIO;
}
@@ -1000,7 +998,7 @@ static void i8042_controller_reset(void)
i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT);
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR))
- printk(KERN_WARNING "i8042.c: Can't write CTR while resetting.\n");
+ pr_warn("Can't write CTR while resetting\n");
/*
* Disable MUX mode if present.
@@ -1021,7 +1019,7 @@ static void i8042_controller_reset(void)
*/
if (i8042_command(&i8042_initial_ctr, I8042_CMD_CTL_WCTR))
- printk(KERN_WARNING "i8042.c: Can't restore CTR.\n");
+ pr_warn("Can't restore CTR\n");
}
@@ -1045,14 +1043,14 @@ static long i8042_panic_blink(int state)
led = (state) ? 0x01 | 0x04 : 0;
while (i8042_read_status() & I8042_STR_IBF)
DELAY;
- dbg("%02x -> i8042 (panic blink)", 0xed);
+ dbg("%02x -> i8042 (panic blink)\n", 0xed);
i8042_suppress_kbd_ack = 2;
i8042_write_data(0xed); /* set leds */
DELAY;
while (i8042_read_status() & I8042_STR_IBF)
DELAY;
DELAY;
- dbg("%02x -> i8042 (panic blink)", led);
+ dbg("%02x -> i8042 (panic blink)\n", led);
i8042_write_data(led);
DELAY;
return delay;
@@ -1068,9 +1066,7 @@ static void i8042_dritek_enable(void)
error = i8042_command(&param, 0x1059);
if (error)
- printk(KERN_WARNING
- "Failed to enable DRITEK extension: %d\n",
- error);
+ pr_warn("Failed to enable DRITEK extension: %d\n", error);
}
#endif
@@ -1105,10 +1101,10 @@ static int i8042_controller_resume(bool force_reset)
i8042_ctr |= I8042_CTR_AUXDIS | I8042_CTR_KBDDIS;
i8042_ctr &= ~(I8042_CTR_AUXINT | I8042_CTR_KBDINT);
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
- printk(KERN_WARNING "i8042: Can't write CTR to resume, retrying...\n");
+ pr_warn("Can't write CTR to resume, retrying...\n");
msleep(50);
if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) {
- printk(KERN_ERR "i8042: CTR write retry failed\n");
+ pr_err("CTR write retry failed\n");
return -EIO;
}
}
@@ -1121,9 +1117,7 @@ static int i8042_controller_resume(bool force_reset)
if (i8042_mux_present) {
if (i8042_set_mux_mode(true, NULL) || i8042_enable_mux_ports())
- printk(KERN_WARNING
- "i8042: failed to resume active multiplexor, "
- "mouse won't work.\n");
+ pr_warn("failed to resume active multiplexor, mouse won't work\n");
} else if (i8042_ports[I8042_AUX_PORT_NO].serio)
i8042_enable_aux_port();
diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h
index cbc1beb6657..ac1d759d0f5 100644
--- a/drivers/input/serio/i8042.h
+++ b/drivers/input/serio/i8042.h
@@ -89,15 +89,19 @@
#ifdef DEBUG
static unsigned long i8042_start_time;
#define dbg_init() do { i8042_start_time = jiffies; } while (0)
-#define dbg(format, arg...) \
- do { \
+#define dbg(format, arg...) \
+ do { \
if (i8042_debug) \
- printk(KERN_DEBUG __FILE__ ": " format " [%d]\n" , \
- ## arg, (int) (jiffies - i8042_start_time)); \
+ printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \
+ (int) (jiffies - i8042_start_time), ##arg); \
} while (0)
#else
#define dbg_init() do { } while (0)
-#define dbg(format, arg...) do {} while (0)
+#define dbg(format, arg...) \
+ do { \
+ if (0) \
+ printk(KERN_DEBUG pr_fmt(format), ##arg); \
+ } while (0)
#endif
#endif /* _I8042_H */
diff --git a/drivers/input/serio/ps2mult.c b/drivers/input/serio/ps2mult.c
index 6bce22e4e49..15aa81c9f1f 100644
--- a/drivers/input/serio/ps2mult.c
+++ b/drivers/input/serio/ps2mult.c
@@ -207,7 +207,7 @@ static int ps2mult_connect(struct serio *serio, struct serio_driver *drv)
err_out:
while (--i >= 0)
kfree(psm->ports[i].serio);
- kfree(serio);
+ kfree(psm);
return error;
}
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 405bf214527..db5b0bca1a1 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -32,10 +32,9 @@
#include <linux/module.h>
#include <linux/serio.h>
#include <linux/errno.h>
-#include <linux/wait.h>
#include <linux/sched.h>
#include <linux/slab.h>
-#include <linux/kthread.h>
+#include <linux/workqueue.h>
#include <linux/mutex.h>
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
@@ -44,7 +43,7 @@ MODULE_LICENSE("GPL");
/*
* serio_mutex protects entire serio subsystem and is taken every time
- * serio port or driver registrered or unregistered.
+ * serio port or driver registered or unregistered.
*/
static DEFINE_MUTEX(serio_mutex);
@@ -165,58 +164,22 @@ struct serio_event {
static DEFINE_SPINLOCK(serio_event_lock); /* protects serio_event_list */
static LIST_HEAD(serio_event_list);
-static DECLARE_WAIT_QUEUE_HEAD(serio_wait);
-static struct task_struct *serio_task;
-static int serio_queue_event(void *object, struct module *owner,
- enum serio_event_type event_type)
+static struct serio_event *serio_get_event(void)
{
+ struct serio_event *event = NULL;
unsigned long flags;
- struct serio_event *event;
- int retval = 0;
spin_lock_irqsave(&serio_event_lock, flags);
- /*
- * Scan event list for the other events for the same serio port,
- * starting with the most recent one. If event is the same we
- * do not need add new one. If event is of different type we
- * need to add this event and should not look further because
- * we need to preseve sequence of distinct events.
- */
- list_for_each_entry_reverse(event, &serio_event_list, node) {
- if (event->object == object) {
- if (event->type == event_type)
- goto out;
- break;
- }
- }
-
- event = kmalloc(sizeof(struct serio_event), GFP_ATOMIC);
- if (!event) {
- pr_err("Not enough memory to queue event %d\n", event_type);
- retval = -ENOMEM;
- goto out;
- }
-
- if (!try_module_get(owner)) {
- pr_warning("Can't get module reference, dropping event %d\n",
- event_type);
- kfree(event);
- retval = -EINVAL;
- goto out;
+ if (!list_empty(&serio_event_list)) {
+ event = list_first_entry(&serio_event_list,
+ struct serio_event, node);
+ list_del_init(&event->node);
}
- event->type = event_type;
- event->object = object;
- event->owner = owner;
-
- list_add_tail(&event->node, &serio_event_list);
- wake_up(&serio_wait);
-
-out:
spin_unlock_irqrestore(&serio_event_lock, flags);
- return retval;
+ return event;
}
static void serio_free_event(struct serio_event *event)
@@ -250,25 +213,7 @@ static void serio_remove_duplicate_events(struct serio_event *event)
spin_unlock_irqrestore(&serio_event_lock, flags);
}
-
-static struct serio_event *serio_get_event(void)
-{
- struct serio_event *event = NULL;
- unsigned long flags;
-
- spin_lock_irqsave(&serio_event_lock, flags);
-
- if (!list_empty(&serio_event_list)) {
- event = list_first_entry(&serio_event_list,
- struct serio_event, node);
- list_del_init(&event->node);
- }
-
- spin_unlock_irqrestore(&serio_event_lock, flags);
- return event;
-}
-
-static void serio_handle_event(void)
+static void serio_handle_event(struct work_struct *work)
{
struct serio_event *event;
@@ -307,6 +252,59 @@ static void serio_handle_event(void)
mutex_unlock(&serio_mutex);
}
+static DECLARE_WORK(serio_event_work, serio_handle_event);
+
+static int serio_queue_event(void *object, struct module *owner,
+ enum serio_event_type event_type)
+{
+ unsigned long flags;
+ struct serio_event *event;
+ int retval = 0;
+
+ spin_lock_irqsave(&serio_event_lock, flags);
+
+ /*
+ * Scan event list for the other events for the same serio port,
+ * starting with the most recent one. If event is the same we
+ * do not need add new one. If event is of different type we
+ * need to add this event and should not look further because
+ * we need to preseve sequence of distinct events.
+ */
+ list_for_each_entry_reverse(event, &serio_event_list, node) {
+ if (event->object == object) {
+ if (event->type == event_type)
+ goto out;
+ break;
+ }
+ }
+
+ event = kmalloc(sizeof(struct serio_event), GFP_ATOMIC);
+ if (!event) {
+ pr_err("Not enough memory to queue event %d\n", event_type);
+ retval = -ENOMEM;
+ goto out;
+ }
+
+ if (!try_module_get(owner)) {
+ pr_warning("Can't get module reference, dropping event %d\n",
+ event_type);
+ kfree(event);
+ retval = -EINVAL;
+ goto out;
+ }
+
+ event->type = event_type;
+ event->object = object;
+ event->owner = owner;
+
+ list_add_tail(&event->node, &serio_event_list);
+ schedule_work(&serio_event_work);
+
+out:
+ spin_unlock_irqrestore(&serio_event_lock, flags);
+ return retval;
+}
+
/*
* Remove all events that have been submitted for a given
* object, be it serio port or driver.
@@ -356,18 +354,6 @@ static struct serio *serio_get_pending_child(struct serio *parent)
return child;
}
-static int serio_thread(void *nothing)
-{
- do {
- serio_handle_event();
- wait_event_interruptible(serio_wait,
- kthread_should_stop() || !list_empty(&serio_event_list));
- } while (!kthread_should_stop());
-
- return 0;
-}
-
-
/*
* Serio port operations
*/
@@ -1040,21 +1026,18 @@ static int __init serio_init(void)
return error;
}
- serio_task = kthread_run(serio_thread, NULL, "kseriod");
- if (IS_ERR(serio_task)) {
- bus_unregister(&serio_bus);
- error = PTR_ERR(serio_task);
- pr_err("Failed to start kseriod, error: %d\n", error);
- return error;
- }
-
return 0;
}
static void __exit serio_exit(void)
{
bus_unregister(&serio_bus);
- kthread_stop(serio_task);
+
+ /*
+ * There should not be any outstanding events but work may
+ * still be scheduled so simply cancel it.
+ */
+ cancel_work_sync(&serio_event_work);
}
subsys_initcall(serio_init);
diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h
index de5adb10903..23317bd09c8 100644
--- a/drivers/input/tablet/wacom.h
+++ b/drivers/input/tablet/wacom.h
@@ -103,6 +103,7 @@ MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE(DRIVER_LICENSE);
#define USB_VENDOR_ID_WACOM 0x056a
+#define USB_VENDOR_ID_LENOVO 0x17ef
struct wacom {
dma_addr_t data_dma;
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 435b0af401e..518782999fe 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -14,6 +14,7 @@
#include "wacom_wac.h"
#include "wacom.h"
+#include <linux/input/mt.h>
static int wacom_penpartner_irq(struct wacom_wac *wacom)
{
@@ -862,19 +863,21 @@ static int wacom_bpt_touch(struct wacom_wac *wacom)
struct wacom_features *features = &wacom->features;
struct input_dev *input = wacom->input;
unsigned char *data = wacom->data;
- int sp = 0, sx = 0, sy = 0, count = 0;
int i;
for (i = 0; i < 2; i++) {
int p = data[9 * i + 2];
+ bool touch = p && !wacom->shared->stylus_in_proximity;
+
input_mt_slot(input, i);
+ input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
/*
* Touch events need to be disabled while stylus is
* in proximity because user's hand is resting on touchpad
* and sending unwanted events. User expects tablet buttons
* to continue working though.
*/
- if (p && !wacom->shared->stylus_in_proximity) {
+ if (touch) {
int x = get_unaligned_be16(&data[9 * i + 3]) & 0x7ff;
int y = get_unaligned_be16(&data[9 * i + 5]) & 0x7ff;
if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
@@ -884,23 +887,10 @@ static int wacom_bpt_touch(struct wacom_wac *wacom)
input_report_abs(input, ABS_MT_PRESSURE, p);
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
- if (wacom->id[i] < 0)
- wacom->id[i] = wacom->trk_id++ & MAX_TRACKING_ID;
- if (!count++)
- sp = p, sx = x, sy = y;
- } else {
- wacom->id[i] = -1;
}
- input_report_abs(input, ABS_MT_TRACKING_ID, wacom->id[i]);
}
- input_report_key(input, BTN_TOUCH, count > 0);
- input_report_key(input, BTN_TOOL_FINGER, count == 1);
- input_report_key(input, BTN_TOOL_DOUBLETAP, count == 2);
-
- input_report_abs(input, ABS_PRESSURE, sp);
- input_report_abs(input, ABS_X, sx);
- input_report_abs(input, ABS_Y, sy);
+ input_mt_report_pointer_emulation(input, true);
input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
@@ -1272,7 +1262,7 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
__set_bit(BTN_TOOL_FINGER, input_dev->keybit);
__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
- input_mt_create_slots(input_dev, 2);
+ input_mt_init_slots(input_dev, 2);
input_set_abs_params(input_dev, ABS_MT_POSITION_X,
0, features->x_max,
features->x_fuzz, 0);
@@ -1282,8 +1272,6 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
input_set_abs_params(input_dev, ABS_MT_PRESSURE,
0, features->pressure_max,
features->pressure_fuzz, 0);
- input_set_abs_params(input_dev, ABS_MT_TRACKING_ID, 0,
- MAX_TRACKING_ID, 0, 0);
} else if (features->device_type == BTN_TOOL_PEN) {
__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
__set_bit(BTN_TOOL_PEN, input_dev->keybit);
@@ -1444,11 +1432,17 @@ static struct wacom_features wacom_features_0xDA =
{ "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT };
static struct wacom_features wacom_features_0xDB =
{ "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT };
+static const struct wacom_features wacom_features_0x6004 =
+ { "ISD-V4", WACOM_PKGLEN_GRAPHIRE, 12800, 8000, 255, 0, TABLETPC };
#define USB_DEVICE_WACOM(prod) \
USB_DEVICE(USB_VENDOR_ID_WACOM, prod), \
.driver_info = (kernel_ulong_t)&wacom_features_##prod
+#define USB_DEVICE_LENOVO(prod) \
+ USB_DEVICE(USB_VENDOR_ID_LENOVO, prod), \
+ .driver_info = (kernel_ulong_t)&wacom_features_##prod
+
const struct usb_device_id wacom_ids[] = {
{ USB_DEVICE_WACOM(0x00) },
{ USB_DEVICE_WACOM(0x10) },
@@ -1525,6 +1519,7 @@ const struct usb_device_id wacom_ids[] = {
{ USB_DEVICE_WACOM(0xE2) },
{ USB_DEVICE_WACOM(0xE3) },
{ USB_DEVICE_WACOM(0x47) },
+ { USB_DEVICE_LENOVO(0x6004) },
{ }
};
MODULE_DEVICE_TABLE(usb, wacom_ids);
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index 00ca01541d8..b1310ec9720 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -42,9 +42,6 @@
#define WACOM_QUIRK_MULTI_INPUT 0x0001
#define WACOM_QUIRK_BBTOUCH_LOWRES 0x0002
-/* largest reported tracking id */
-#define MAX_TRACKING_ID 0xfff
-
enum {
PENPARTNER = 0,
GRAPHIRE,
@@ -100,7 +97,6 @@ struct wacom_wac {
int id[3];
__u32 serial[2];
int last_finger;
- int trk_id;
struct wacom_features features;
struct wacom_shared *shared;
struct input_dev *input;
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 06ea8da95c6..07ac77d393a 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -659,17 +659,17 @@ config TOUCHSCREEN_PCAP
To compile this driver as a module, choose M here: the
module will be called pcap_ts.
-config TOUCHSCREEN_TPS6507X
- tristate "TPS6507x based touchscreens"
+config TOUCHSCREEN_ST1232
+ tristate "Sitronix ST1232 touchscreen controllers"
depends on I2C
help
- Say Y here if you have a TPS6507x based touchscreen
- controller.
+ Say Y here if you want to support Sitronix ST1232
+ touchscreen controller.
If unsure, say N.
To compile this driver as a module, choose M here: the
- module will be called tps6507x_ts.
+ module will be called st1232_ts.
config TOUCHSCREEN_STMPE
tristate "STMicroelectronics STMPE touchscreens"
@@ -681,4 +681,16 @@ config TOUCHSCREEN_STMPE
To compile this driver as a module, choose M here: the
module will be called stmpe-ts.
+config TOUCHSCREEN_TPS6507X
+ tristate "TPS6507x based touchscreens"
+ depends on I2C
+ help
+ Say Y here if you have a TPS6507x based touchscreen
+ controller.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called tps6507x_ts.
+
endif
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 7cc1b4f4b67..718bcc81495 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_TOUCHSCREEN_PCAP) += pcap_ts.o
obj-$(CONFIG_TOUCHSCREEN_PENMOUNT) += penmount.o
obj-$(CONFIG_TOUCHSCREEN_QT602240) += qt602240_ts.o
obj-$(CONFIG_TOUCHSCREEN_S3C2410) += s3c2410_ts.o
+obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o
obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o
obj-$(CONFIG_TOUCHSCREEN_TNETV107X) += tnetv107x-ts.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o
diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c
index 2ca9e5d6646..f7fa9ef4cd6 100644
--- a/drivers/input/touchscreen/bu21013_ts.c
+++ b/drivers/input/touchscreen/bu21013_ts.c
@@ -365,7 +365,7 @@ static int bu21013_init_chip(struct bu21013_ts_data *data)
}
retval = i2c_smbus_write_byte_data(i2c, BU21013_TH_OFF_REG,
- BU21013_TH_OFF_4 || BU21013_TH_OFF_3);
+ BU21013_TH_OFF_4 | BU21013_TH_OFF_3);
if (retval < 0) {
dev_err(&i2c->dev, "BU21013_TH_OFF reg write failed\n");
return retval;
diff --git a/drivers/input/touchscreen/qt602240_ts.c b/drivers/input/touchscreen/qt602240_ts.c
index 66b26ad3032..4dcb0e872f6 100644
--- a/drivers/input/touchscreen/qt602240_ts.c
+++ b/drivers/input/touchscreen/qt602240_ts.c
@@ -969,7 +969,7 @@ static int qt602240_initialize(struct qt602240_data *data)
return error;
data->object_table = kcalloc(info->object_num,
- sizeof(struct qt602240_data),
+ sizeof(struct qt602240_object),
GFP_KERNEL);
if (!data->object_table) {
dev_err(&client->dev, "Failed to allocate memory\n");
@@ -1324,8 +1324,9 @@ static int __devexit qt602240_remove(struct i2c_client *client)
}
#ifdef CONFIG_PM
-static int qt602240_suspend(struct i2c_client *client, pm_message_t mesg)
+static int qt602240_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct qt602240_data *data = i2c_get_clientdata(client);
struct input_dev *input_dev = data->input_dev;
@@ -1339,8 +1340,9 @@ static int qt602240_suspend(struct i2c_client *client, pm_message_t mesg)
return 0;
}
-static int qt602240_resume(struct i2c_client *client)
+static int qt602240_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct qt602240_data *data = i2c_get_clientdata(client);
struct input_dev *input_dev = data->input_dev;
@@ -1359,9 +1361,11 @@ static int qt602240_resume(struct i2c_client *client)
return 0;
}
-#else
-#define qt602240_suspend NULL
-#define qt602240_resume NULL
+
+static const struct dev_pm_ops qt602240_pm_ops = {
+ .suspend = qt602240_suspend,
+ .resume = qt602240_resume,
+};
#endif
static const struct i2c_device_id qt602240_id[] = {
@@ -1374,11 +1378,12 @@ static struct i2c_driver qt602240_driver = {
.driver = {
.name = "qt602240_ts",
.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &qt602240_pm_ops,
+#endif
},
.probe = qt602240_probe,
.remove = __devexit_p(qt602240_remove),
- .suspend = qt602240_suspend,
- .resume = qt602240_resume,
.id_table = qt602240_id,
};
diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c
new file mode 100644
index 00000000000..4ab371358b3
--- /dev/null
+++ b/drivers/input/touchscreen/st1232.c
@@ -0,0 +1,274 @@
+/*
+ * ST1232 Touchscreen Controller Driver
+ *
+ * Copyright (C) 2010 Renesas Solutions Corp.
+ * Tony SIM <chinyeow.sim.xt@renesas.com>
+ *
+ * Using code from:
+ * - android.git.kernel.org: projects/kernel/common.git: synaptics_i2c_rmi.c
+ * Copyright (C) 2007 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#define ST1232_TS_NAME "st1232-ts"
+
+#define MIN_X 0x00
+#define MIN_Y 0x00
+#define MAX_X 0x31f /* (800 - 1) */
+#define MAX_Y 0x1df /* (480 - 1) */
+#define MAX_AREA 0xff
+#define MAX_FINGERS 2
+
+struct st1232_ts_finger {
+ u16 x;
+ u16 y;
+ u8 t;
+ bool is_valid;
+};
+
+struct st1232_ts_data {
+ struct i2c_client *client;
+ struct input_dev *input_dev;
+ struct st1232_ts_finger finger[MAX_FINGERS];
+};
+
+static int st1232_ts_read_data(struct st1232_ts_data *ts)
+{
+ struct st1232_ts_finger *finger = ts->finger;
+ struct i2c_client *client = ts->client;
+ struct i2c_msg msg[2];
+ int error;
+ u8 start_reg;
+ u8 buf[10];
+
+ /* read touchscreen data from ST1232 */
+ msg[0].addr = client->addr;
+ msg[0].flags = 0;
+ msg[0].len = 1;
+ msg[0].buf = &start_reg;
+ start_reg = 0x10;
+
+ msg[1].addr = ts->client->addr;
+ msg[1].flags = I2C_M_RD;
+ msg[1].len = sizeof(buf);
+ msg[1].buf = buf;
+
+ error = i2c_transfer(client->adapter, msg, 2);
+ if (error < 0)
+ return error;
+
+ /* get "valid" bits */
+ finger[0].is_valid = buf[2] >> 7;
+ finger[1].is_valid = buf[5] >> 7;
+
+ /* get xy coordinate */
+ if (finger[0].is_valid) {
+ finger[0].x = ((buf[2] & 0x0070) << 4) | buf[3];
+ finger[0].y = ((buf[2] & 0x0007) << 8) | buf[4];
+ finger[0].t = buf[8];
+ }
+
+ if (finger[1].is_valid) {
+ finger[1].x = ((buf[5] & 0x0070) << 4) | buf[6];
+ finger[1].y = ((buf[5] & 0x0007) << 8) | buf[7];
+ finger[1].t = buf[9];
+ }
+
+ return 0;
+}
+
+static irqreturn_t st1232_ts_irq_handler(int irq, void *dev_id)
+{
+ struct st1232_ts_data *ts = dev_id;
+ struct st1232_ts_finger *finger = ts->finger;
+ struct input_dev *input_dev = ts->input_dev;
+ int count = 0;
+ int i, ret;
+
+ ret = st1232_ts_read_data(ts);
+ if (ret < 0)
+ goto end;
+
+ /* multi touch protocol */
+ for (i = 0; i < MAX_FINGERS; i++) {
+ if (!finger[i].is_valid)
+ continue;
+
+ input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, finger[i].t);
+ input_report_abs(input_dev, ABS_MT_POSITION_X, finger[i].x);
+ input_report_abs(input_dev, ABS_MT_POSITION_Y, finger[i].y);
+ input_mt_sync(input_dev);
+ count++;
+ }
+
+ /* SYN_MT_REPORT only if no contact */
+ if (!count)
+ input_mt_sync(input_dev);
+
+ /* SYN_REPORT */
+ input_sync(input_dev);
+
+end:
+ return IRQ_HANDLED;
+}
+
+static int __devinit st1232_ts_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct st1232_ts_data *ts;
+ struct input_dev *input_dev;
+ int error;
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+ dev_err(&client->dev, "need I2C_FUNC_I2C\n");
+ return -EIO;
+ }
+
+ if (!client->irq) {
+ dev_err(&client->dev, "no IRQ?\n");
+ return -EINVAL;
+ }
+
+
+ ts = kzalloc(sizeof(struct st1232_ts_data), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!ts || !input_dev) {
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ ts->client = client;
+ ts->input_dev = input_dev;
+
+ input_dev->name = "st1232-touchscreen";
+ input_dev->id.bustype = BUS_I2C;
+ input_dev->dev.parent = &client->dev;
+
+ __set_bit(EV_SYN, input_dev->evbit);
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(EV_ABS, input_dev->evbit);
+
+ input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, MAX_AREA, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_X, MIN_X, MAX_X, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_Y, MIN_Y, MAX_Y, 0, 0);
+
+ error = request_threaded_irq(client->irq, NULL, st1232_ts_irq_handler,
+ IRQF_ONESHOT, client->name, ts);
+ if (error) {
+ dev_err(&client->dev, "Failed to register interrupt\n");
+ goto err_free_mem;
+ }
+
+ error = input_register_device(ts->input_dev);
+ if (error) {
+ dev_err(&client->dev, "Unable to register %s input device\n",
+ input_dev->name);
+ goto err_free_irq;
+ }
+
+ i2c_set_clientdata(client, ts);
+ device_init_wakeup(&client->dev, 1);
+
+ return 0;
+
+err_free_irq:
+ free_irq(client->irq, ts);
+err_free_mem:
+ input_free_device(input_dev);
+ kfree(ts);
+ return error;
+}
+
+static int __devexit st1232_ts_remove(struct i2c_client *client)
+{
+ struct st1232_ts_data *ts = i2c_get_clientdata(client);
+
+ device_init_wakeup(&client->dev, 0);
+ free_irq(client->irq, ts);
+ input_unregister_device(ts->input_dev);
+ kfree(ts);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int st1232_ts_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (device_may_wakeup(&client->dev))
+ enable_irq_wake(client->irq);
+ else
+ disable_irq(client->irq);
+
+ return 0;
+}
+
+static int st1232_ts_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (device_may_wakeup(&client->dev))
+ disable_irq_wake(client->irq);
+ else
+ enable_irq(client->irq);
+
+ return 0;
+}
+
+static const struct dev_pm_ops st1232_ts_pm_ops = {
+ .suspend = st1232_ts_suspend,
+ .resume = st1232_ts_resume,
+};
+#endif
+
+static const struct i2c_device_id st1232_ts_id[] = {
+ { ST1232_TS_NAME, 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, st1232_ts_id);
+
+static struct i2c_driver st1232_ts_driver = {
+ .probe = st1232_ts_probe,
+ .remove = __devexit_p(st1232_ts_remove),
+ .id_table = st1232_ts_id,
+ .driver = {
+ .name = ST1232_TS_NAME,
+ .owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &st1232_ts_pm_ops,
+#endif
+ },
+};
+
+static int __init st1232_ts_init(void)
+{
+ return i2c_add_driver(&st1232_ts_driver);
+}
+module_init(st1232_ts_init);
+
+static void __exit st1232_ts_exit(void)
+{
+ i2c_del_driver(&st1232_ts_driver);
+}
+module_exit(st1232_ts_exit);
+
+MODULE_AUTHOR("Tony SIM <chinyeow.sim.xt@renesas.com>");
+MODULE_DESCRIPTION("SITRONIX ST1232 Touchscreen Controller Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
index 9ae4c7b16ba..8ed53aded2d 100644
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -15,10 +15,11 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/input.h>
+#include <linux/input/mt.h>
#include <linux/serio.h>
#include <linux/init.h>
#include <linux/ctype.h>
+#include <linux/delay.h>
#define DRIVER_DESC "Wacom W8001 serial touchscreen driver"
@@ -37,6 +38,7 @@ MODULE_LICENSE("GPL");
#define W8001_QUERY_PACKET 0x20
+#define W8001_CMD_STOP '0'
#define W8001_CMD_START '1'
#define W8001_CMD_QUERY '*'
#define W8001_CMD_TOUCHQUERY '%'
@@ -48,8 +50,6 @@ MODULE_LICENSE("GPL");
#define W8001_PKTLEN_TPCCTL 11 /* control packet */
#define W8001_PKTLEN_TOUCH2FG 13
-#define MAX_TRACKING_ID 0xFF /* arbitrarily chosen */
-
struct w8001_coord {
u8 rdy;
u8 tsw;
@@ -87,7 +87,6 @@ struct w8001 {
char phys[32];
int type;
unsigned int pktlen;
- int trkid[2];
};
static void parse_data(u8 *data, struct w8001_coord *coord)
@@ -116,28 +115,23 @@ static void parse_data(u8 *data, struct w8001_coord *coord)
static void parse_touch(struct w8001 *w8001)
{
- static int trkid;
struct input_dev *dev = w8001->dev;
unsigned char *data = w8001->data;
int i;
for (i = 0; i < 2; i++) {
- input_mt_slot(dev, i);
+ bool touch = data[0] & (1 << i);
- if (data[0] & (1 << i)) {
+ input_mt_slot(dev, i);
+ input_mt_report_slot_state(dev, MT_TOOL_FINGER, touch);
+ if (touch) {
int x = (data[6 * i + 1] << 7) | (data[6 * i + 2]);
int y = (data[6 * i + 3] << 7) | (data[6 * i + 4]);
/* data[5,6] and [11,12] is finger capacity */
input_report_abs(dev, ABS_MT_POSITION_X, x);
input_report_abs(dev, ABS_MT_POSITION_Y, y);
- input_report_abs(dev, ABS_MT_TOOL_TYPE, MT_TOOL_FINGER);
- if (w8001->trkid[i] < 0)
- w8001->trkid[i] = trkid++ & MAX_TRACKING_ID;
- } else {
- w8001->trkid[i] = -1;
}
- input_report_abs(dev, ABS_MT_TRACKING_ID, w8001->trkid[i]);
}
input_sync(dev);
@@ -287,24 +281,46 @@ static int w8001_setup(struct w8001 *w8001)
struct w8001_coord coord;
int error;
- error = w8001_command(w8001, W8001_CMD_QUERY, true);
+ error = w8001_command(w8001, W8001_CMD_STOP, false);
if (error)
return error;
- parse_data(w8001->response, &coord);
+ msleep(250); /* wait 250ms before querying the device */
- input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0);
- input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0);
- input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0);
- input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0);
- input_set_abs_params(dev, ABS_TILT_Y, 0, coord.tilt_y, 0, 0);
+ /* penabled? */
+ error = w8001_command(w8001, W8001_CMD_QUERY, true);
+ if (!error) {
+ __set_bit(BTN_TOOL_PEN, dev->keybit);
+ __set_bit(BTN_TOOL_RUBBER, dev->keybit);
+ __set_bit(BTN_STYLUS, dev->keybit);
+ __set_bit(BTN_STYLUS2, dev->keybit);
+ parse_data(w8001->response, &coord);
+
+ input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0);
+ input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0);
+ input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0);
+ if (coord.tilt_x && coord.tilt_y) {
+ input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0);
+ input_set_abs_params(dev, ABS_TILT_Y, 0, coord.tilt_y, 0, 0);
+ }
+ }
+ /* Touch enabled? */
error = w8001_command(w8001, W8001_CMD_TOUCHQUERY, true);
- if (!error) {
+
+ /*
+ * Some non-touch devices may reply to the touch query. But their
+ * second byte is empty, which indicates touch is not supported.
+ */
+ if (!error && w8001->response[1]) {
struct w8001_touch_query touch;
parse_touchquery(w8001->response, &touch);
+ input_set_abs_params(dev, ABS_X, 0, touch.x, 0, 0);
+ input_set_abs_params(dev, ABS_Y, 0, touch.y, 0, 0);
+ __set_bit(BTN_TOOL_FINGER, dev->keybit);
+
switch (touch.sensor_id) {
case 0:
case 2:
@@ -318,15 +334,13 @@ static int w8001_setup(struct w8001 *w8001)
case 5:
w8001->pktlen = W8001_PKTLEN_TOUCH2FG;
- input_mt_create_slots(dev, 2);
- input_set_abs_params(dev, ABS_MT_TRACKING_ID,
- 0, MAX_TRACKING_ID, 0, 0);
+ input_mt_init_slots(dev, 2);
input_set_abs_params(dev, ABS_MT_POSITION_X,
0, touch.x, 0, 0);
input_set_abs_params(dev, ABS_MT_POSITION_Y,
0, touch.y, 0, 0);
input_set_abs_params(dev, ABS_MT_TOOL_TYPE,
- 0, 0, 0, 0);
+ 0, MT_TOOL_MAX, 0, 0);
break;
}
}
@@ -372,7 +386,6 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv)
w8001->serio = serio;
w8001->id = serio->id.id;
w8001->dev = input_dev;
- w8001->trkid[0] = w8001->trkid[1] = -1;
init_completion(&w8001->cmd_done);
snprintf(w8001->phys, sizeof(w8001->phys), "%s/input0", serio->phys);
@@ -385,11 +398,7 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv)
input_dev->dev.parent = &serio->dev;
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
- input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
- input_dev->keybit[BIT_WORD(BTN_TOOL_PEN)] |= BIT_MASK(BTN_TOOL_PEN);
- input_dev->keybit[BIT_WORD(BTN_TOOL_RUBBER)] |= BIT_MASK(BTN_TOOL_RUBBER);
- input_dev->keybit[BIT_WORD(BTN_STYLUS)] |= BIT_MASK(BTN_STYLUS);
- input_dev->keybit[BIT_WORD(BTN_STYLUS2)] |= BIT_MASK(BTN_STYLUS2);
+ __set_bit(BTN_TOUCH, input_dev->keybit);
serio_set_drvdata(serio, w8001);
err = serio_open(serio, drv);
diff --git a/drivers/input/xen-kbdfront.c b/drivers/input/xen-kbdfront.c
index e0c024db2ca..7f85a862ad1 100644
--- a/drivers/input/xen-kbdfront.c
+++ b/drivers/input/xen-kbdfront.c
@@ -17,6 +17,8 @@
* Switch to grant tables together with xen-fbfront.c.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/module.h>
@@ -84,9 +86,8 @@ static irqreturn_t input_handler(int rq, void *dev_id)
input_report_key(dev, event->key.keycode,
event->key.pressed);
else
- printk(KERN_WARNING
- "xenkbd: unhandled keycode 0x%x\n",
- event->key.keycode);
+ pr_warning("unhandled keycode 0x%x\n",
+ event->key.keycode);
break;
case XENKBD_TYPE_POS:
input_report_abs(dev, ABS_X, event->pos.abs_x);
@@ -292,8 +293,7 @@ InitWait:
ret = xenbus_printf(XBT_NIL, info->xbdev->nodename,
"request-abs-pointer", "1");
if (ret)
- printk(KERN_WARNING
- "xenkbd: can't request abs-pointer");
+ pr_warning("can't request abs-pointer\n");
}
xenbus_switch_state(dev, XenbusStateConnected);
break;