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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 10:41:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-04 10:41:52 -0700
commitfe445c6e2cb62a566e1a89f8798de11459975710 (patch)
treedb1f2c0c19f488992fb5b9371476b4e7701c49a0 /drivers/input
parentf63b759c44b0561c76a67894c734157df3313b42 (diff)
parentd01d0756f75e7a5b4b43764ad45b83c4340f11d6 (diff)
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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: (57 commits) Input: adp5588-keypad - fix NULL dereference in adp5588_gpio_add() Input: cy8ctmg110 - capacitive touchscreen support Input: keyboard - also match braille-only keyboards Input: adp5588-keys - export unused GPIO pins Input: xpad - add product ID for Hori Fighting Stick EX2 Input: adxl34x - fix leak and use after free Input: samsung-keypad - Add samsung keypad driver Input: i8042 - reset keyboard controller wehen resuming from S2R Input: synaptics - set min/max for finger width Input: synaptics - only report width on hardware that supports it Input: evdev - signal that device is writable in evdev_poll() Input: mousedev - signal that device is writable in mousedev_poll() Input: change input handlers to use bool when possible Input: document the MT event slot protocol Input: introduce MT event slots Input: usbtouchscreen - implement reset_resume Input: usbtouchscreen - implement runtime power management Input: usbtouchscreen - implement basic suspend/resume Input: Add ATMEL QT602240 touchscreen driver Input: fix signedness warning in input_set_keycode() ...
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/evdev.c54
-rw-r--r--drivers/input/input.c182
-rw-r--r--drivers/input/joydev.c7
-rw-r--r--drivers/input/joystick/xpad.c108
-rw-r--r--drivers/input/keyboard/Kconfig21
-rw-r--r--drivers/input/keyboard/Makefile2
-rw-r--r--drivers/input/keyboard/adp5588-keys.c351
-rw-r--r--drivers/input/keyboard/gpio_keys.c19
-rw-r--r--drivers/input/keyboard/lm8323.c12
-rw-r--r--drivers/input/keyboard/matrix_keypad.c108
-rw-r--r--drivers/input/keyboard/mcs_touchkey.c239
-rw-r--r--drivers/input/keyboard/samsung-keypad.c491
-rw-r--r--drivers/input/misc/Kconfig48
-rw-r--r--drivers/input/misc/Makefile4
-rw-r--r--drivers/input/misc/adxl34x-i2c.c163
-rw-r--r--drivers/input/misc/adxl34x-spi.c145
-rw-r--r--drivers/input/misc/adxl34x.c915
-rw-r--r--drivers/input/misc/adxl34x.h30
-rw-r--r--drivers/input/misc/atlas_btns.c38
-rw-r--r--drivers/input/misc/pwm-beeper.c199
-rw-r--r--drivers/input/misc/twl4030-pwrbutton.c12
-rw-r--r--drivers/input/misc/wistron_btns.c4
-rw-r--r--drivers/input/mouse/bcm5974.c23
-rw-r--r--drivers/input/mouse/synaptics.c8
-rw-r--r--drivers/input/mousedev.c15
-rw-r--r--drivers/input/serio/i8042-ppcio.h75
-rw-r--r--drivers/input/serio/i8042.c65
-rw-r--r--drivers/input/tablet/wacom_wac.c44
-rw-r--r--drivers/input/tablet/wacom_wac.h1
-rw-r--r--drivers/input/touchscreen/Kconfig67
-rw-r--r--drivers/input/touchscreen/Makefile6
-rw-r--r--drivers/input/touchscreen/ad7879-i2c.c143
-rw-r--r--drivers/input/touchscreen/ad7879-spi.c198
-rw-r--r--drivers/input/touchscreen/ad7879.c625
-rw-r--r--drivers/input/touchscreen/ad7879.h30
-rw-r--r--drivers/input/touchscreen/ads7846.c206
-rw-r--r--drivers/input/touchscreen/cy8ctmg110_ts.c363
-rw-r--r--drivers/input/touchscreen/mcs5000_ts.c6
-rw-r--r--drivers/input/touchscreen/qt602240_ts.c1401
-rw-r--r--drivers/input/touchscreen/tps6507x-ts.c3
-rw-r--r--drivers/input/touchscreen/usbtouchscreen.c215
41 files changed, 5761 insertions, 885 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 2ee6c7a68bdc..054edf346e0b 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -10,7 +10,8 @@
#define EVDEV_MINOR_BASE 64
#define EVDEV_MINORS 32
-#define EVDEV_BUFFER_SIZE 64
+#define EVDEV_MIN_BUFFER_SIZE 64U
+#define EVDEV_BUF_PACKETS 8
#include <linux/poll.h>
#include <linux/sched.h>
@@ -23,7 +24,6 @@
#include "input-compat.h"
struct evdev {
- int exist;
int open;
int minor;
struct input_handle handle;
@@ -33,16 +33,18 @@ struct evdev {
spinlock_t client_lock; /* protects client_list */
struct mutex mutex;
struct device dev;
+ bool exist;
};
struct evdev_client {
- struct input_event buffer[EVDEV_BUFFER_SIZE];
int head;
int tail;
spinlock_t buffer_lock; /* protects access to buffer, head and tail */
struct fasync_struct *fasync;
struct evdev *evdev;
struct list_head node;
+ int bufsize;
+ struct input_event buffer[];
};
static struct evdev *evdev_table[EVDEV_MINORS];
@@ -52,11 +54,15 @@ static void evdev_pass_event(struct evdev_client *client,
struct input_event *event)
{
/*
- * Interrupts are disabled, just acquire the lock
+ * Interrupts are disabled, just acquire the lock.
+ * Make sure we don't leave with the client buffer
+ * "empty" by having client->head == client->tail.
*/
spin_lock(&client->buffer_lock);
- client->buffer[client->head++] = *event;
- client->head &= EVDEV_BUFFER_SIZE - 1;
+ do {
+ client->buffer[client->head++] = *event;
+ client->head &= client->bufsize - 1;
+ } while (client->head == client->tail);
spin_unlock(&client->buffer_lock);
if (event->type == EV_SYN)
@@ -242,11 +248,21 @@ static int evdev_release(struct inode *inode, struct file *file)
return 0;
}
+static unsigned int evdev_compute_buffer_size(struct input_dev *dev)
+{
+ unsigned int n_events =
+ max(dev->hint_events_per_packet * EVDEV_BUF_PACKETS,
+ EVDEV_MIN_BUFFER_SIZE);
+
+ return roundup_pow_of_two(n_events);
+}
+
static int evdev_open(struct inode *inode, struct file *file)
{
struct evdev *evdev;
struct evdev_client *client;
int i = iminor(inode) - EVDEV_MINOR_BASE;
+ unsigned int bufsize;
int error;
if (i >= EVDEV_MINORS)
@@ -263,12 +279,17 @@ static int evdev_open(struct inode *inode, struct file *file)
if (!evdev)
return -ENODEV;
- client = kzalloc(sizeof(struct evdev_client), GFP_KERNEL);
+ bufsize = evdev_compute_buffer_size(evdev->handle.dev);
+
+ client = kzalloc(sizeof(struct evdev_client) +
+ bufsize * sizeof(struct input_event),
+ GFP_KERNEL);
if (!client) {
error = -ENOMEM;
goto err_put_evdev;
}
+ client->bufsize = bufsize;
spin_lock_init(&client->buffer_lock);
client->evdev = evdev;
evdev_attach_client(evdev, client);
@@ -334,7 +355,7 @@ static int evdev_fetch_next_event(struct evdev_client *client,
have_event = client->head != client->tail;
if (have_event) {
*event = client->buffer[client->tail++];
- client->tail &= EVDEV_BUFFER_SIZE - 1;
+ client->tail &= client->bufsize - 1;
}
spin_unlock_irq(&client->buffer_lock);
@@ -382,10 +403,15 @@ static unsigned int evdev_poll(struct file *file, poll_table *wait)
{
struct evdev_client *client = file->private_data;
struct evdev *evdev = client->evdev;
+ unsigned int mask;
poll_wait(file, &evdev->wait, wait);
- return ((client->head == client->tail) ? 0 : (POLLIN | POLLRDNORM)) |
- (evdev->exist ? 0 : (POLLHUP | POLLERR));
+
+ mask = evdev->exist ? POLLOUT | POLLWRNORM : POLLHUP | POLLERR;
+ if (client->head != client->tail)
+ mask |= POLLIN | POLLRDNORM;
+
+ return mask;
}
#ifdef CONFIG_COMPAT
@@ -665,6 +691,10 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
sizeof(struct input_absinfo))))
return -EFAULT;
+ /* We can't change number of reserved MT slots */
+ if (t == ABS_MT_SLOT)
+ return -EINVAL;
+
/*
* Take event lock to ensure that we are not
* changing device parameters in the middle
@@ -768,7 +798,7 @@ static void evdev_remove_chrdev(struct evdev *evdev)
static void evdev_mark_dead(struct evdev *evdev)
{
mutex_lock(&evdev->mutex);
- evdev->exist = 0;
+ evdev->exist = false;
mutex_unlock(&evdev->mutex);
}
@@ -817,7 +847,7 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
init_waitqueue_head(&evdev->wait);
dev_set_name(&evdev->dev, "event%d", minor);
- evdev->exist = 1;
+ evdev->exist = true;
evdev->minor = minor;
evdev->handle.dev = input_get_device(dev);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 9c79bd56b51a..e1243b4b32a5 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -33,25 +33,6 @@ MODULE_LICENSE("GPL");
#define INPUT_DEVICES 256
-/*
- * EV_ABS events which should not be cached are listed here.
- */
-static unsigned int input_abs_bypass_init_data[] __initdata = {
- ABS_MT_TOUCH_MAJOR,
- ABS_MT_TOUCH_MINOR,
- ABS_MT_WIDTH_MAJOR,
- ABS_MT_WIDTH_MINOR,
- ABS_MT_ORIENTATION,
- ABS_MT_POSITION_X,
- ABS_MT_POSITION_Y,
- ABS_MT_TOOL_TYPE,
- ABS_MT_BLOB_ID,
- ABS_MT_TRACKING_ID,
- ABS_MT_PRESSURE,
- 0
-};
-static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];
-
static LIST_HEAD(input_dev_list);
static LIST_HEAD(input_handler_list);
@@ -181,6 +162,56 @@ static void input_stop_autorepeat(struct input_dev *dev)
#define INPUT_PASS_TO_DEVICE 2
#define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE)
+static int input_handle_abs_event(struct input_dev *dev,
+ unsigned int code, int *pval)
+{
+ bool is_mt_event;
+ int *pold;
+
+ if (code == ABS_MT_SLOT) {
+ /*
+ * "Stage" the event; we'll flush it later, when we
+ * get actiual touch data.
+ */
+ if (*pval >= 0 && *pval < dev->mtsize)
+ dev->slot = *pval;
+
+ return INPUT_IGNORE_EVENT;
+ }
+
+ is_mt_event = code >= ABS_MT_FIRST && code <= ABS_MT_LAST;
+
+ if (!is_mt_event) {
+ pold = &dev->abs[code];
+ } else if (dev->mt) {
+ struct input_mt_slot *mtslot = &dev->mt[dev->slot];
+ pold = &mtslot->abs[code - ABS_MT_FIRST];
+ } else {
+ /*
+ * Bypass filtering for multitouch events when
+ * not employing slots.
+ */
+ pold = NULL;
+ }
+
+ if (pold) {
+ *pval = input_defuzz_abs_event(*pval, *pold,
+ dev->absfuzz[code]);
+ if (*pold == *pval)
+ return INPUT_IGNORE_EVENT;
+
+ *pold = *pval;
+ }
+
+ /* Flush pending "slot" event */
+ if (is_mt_event && dev->slot != dev->abs[ABS_MT_SLOT]) {
+ dev->abs[ABS_MT_SLOT] = dev->slot;
+ input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot);
+ }
+
+ return INPUT_PASS_TO_HANDLERS;
+}
+
static void input_handle_event(struct input_dev *dev,
unsigned int type, unsigned int code, int value)
{
@@ -196,12 +227,12 @@ static void input_handle_event(struct input_dev *dev,
case SYN_REPORT:
if (!dev->sync) {
- dev->sync = 1;
+ dev->sync = true;
disposition = INPUT_PASS_TO_HANDLERS;
}
break;
case SYN_MT_REPORT:
- dev->sync = 0;
+ dev->sync = false;
disposition = INPUT_PASS_TO_HANDLERS;
break;
}
@@ -233,21 +264,9 @@ static void input_handle_event(struct input_dev *dev,
break;
case EV_ABS:
- if (is_event_supported(code, dev->absbit, ABS_MAX)) {
-
- if (test_bit(code, input_abs_bypass)) {
- disposition = INPUT_PASS_TO_HANDLERS;
- break;
- }
+ if (is_event_supported(code, dev->absbit, ABS_MAX))
+ disposition = input_handle_abs_event(dev, code, &value);
- value = input_defuzz_abs_event(value,
- dev->abs[code], dev->absfuzz[code]);
-
- if (dev->abs[code] != value) {
- dev->abs[code] = value;
- disposition = INPUT_PASS_TO_HANDLERS;
- }
- }
break;
case EV_REL:
@@ -298,7 +317,7 @@ static void input_handle_event(struct input_dev *dev,
}
if (disposition != INPUT_IGNORE_EVENT && type != EV_SYN)
- dev->sync = 0;
+ dev->sync = false;
if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event)
dev->event(dev, type, code, value);
@@ -528,12 +547,30 @@ void input_close_device(struct input_handle *handle)
EXPORT_SYMBOL(input_close_device);
/*
+ * Simulate keyup events for all keys that are marked as pressed.
+ * The function must be called with dev->event_lock held.
+ */
+static void input_dev_release_keys(struct input_dev *dev)
+{
+ int code;
+
+ if (is_event_supported(EV_KEY, dev->evbit, EV_MAX)) {
+ for (code = 0; code <= KEY_MAX; code++) {
+ if (is_event_supported(code, dev->keybit, KEY_MAX) &&
+ __test_and_clear_bit(code, dev->key)) {
+ input_pass_event(dev, EV_KEY, code, 0);
+ }
+ }
+ input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
+ }
+}
+
+/*
* Prepare device for unregistering
*/
static void input_disconnect_device(struct input_dev *dev)
{
struct input_handle *handle;
- int code;
/*
* Mark device as going away. Note that we take dev->mutex here
@@ -552,15 +589,7 @@ static void input_disconnect_device(struct input_dev *dev)
* generate events even after we done here but they will not
* reach any handlers.
*/
- if (is_event_supported(EV_KEY, dev->evbit, EV_MAX)) {
- for (code = 0; code <= KEY_MAX; code++) {
- if (is_event_supported(code, dev->keybit, KEY_MAX) &&
- __test_and_clear_bit(code, dev->key)) {
- input_pass_event(dev, EV_KEY, code, 0);
- }
- }
- input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
- }
+ input_dev_release_keys(dev);
list_for_each_entry(handle, &dev->h_list, d_node)
handle->open = 0;
@@ -684,7 +713,7 @@ int input_set_keycode(struct input_dev *dev,
unsigned int scancode, unsigned int keycode)
{
unsigned long flags;
- int old_keycode;
+ unsigned int old_keycode;
int retval;
if (keycode > KEY_MAX)
@@ -1278,6 +1307,7 @@ static void input_dev_release(struct device *device)
struct input_dev *dev = to_input_dev(device);
input_ff_destroy(dev);
+ input_mt_destroy_slots(dev);
kfree(dev);
module_put(THIS_MODULE);
@@ -1433,6 +1463,15 @@ static int input_dev_resume(struct device *dev)
mutex_lock(&input_dev->mutex);
input_dev_reset(input_dev, true);
+
+ /*
+ * Keys that have been pressed at suspend time are unlikely
+ * to be still pressed when we resume.
+ */
+ spin_lock_irq(&input_dev->event_lock);
+ input_dev_release_keys(input_dev);
+ spin_unlock_irq(&input_dev->event_lock);
+
mutex_unlock(&input_dev->mutex);
return 0;
@@ -1518,6 +1557,45 @@ 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.
+ */
+int input_mt_create_slots(struct input_dev *dev, unsigned int num_slots)
+{
+ 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);
+
+ 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...)
@@ -1926,20 +2004,10 @@ static const struct file_operations input_fops = {
.open = input_open_file,
};
-static void __init input_init_abs_bypass(void)
-{
- const unsigned int *p;
-
- for (p = input_abs_bypass_init_data; *p; p++)
- input_abs_bypass[BIT_WORD(*p)] |= BIT_MASK(*p);
-}
-
static int __init input_init(void)
{
int err;
- input_init_abs_bypass();
-
err = class_register(&input_class);
if (err) {
printk(KERN_ERR "input: unable to register input_dev class\n");
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 34157bb97ed6..63834585c283 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -37,7 +37,6 @@ MODULE_LICENSE("GPL");
#define JOYDEV_BUFFER_SIZE 64
struct joydev {
- int exist;
int open;
int minor;
struct input_handle handle;
@@ -46,6 +45,7 @@ struct joydev {
spinlock_t client_lock; /* protects client_list */
struct mutex mutex;
struct device dev;
+ bool exist;
struct js_corr corr[ABS_CNT];
struct JS_DATA_SAVE_TYPE glue;
@@ -760,7 +760,7 @@ static void joydev_remove_chrdev(struct joydev *joydev)
static void joydev_mark_dead(struct joydev *joydev)
{
mutex_lock(&joydev->mutex);
- joydev->exist = 0;
+ joydev->exist = false;
mutex_unlock(&joydev->mutex);
}
@@ -817,10 +817,9 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
init_waitqueue_head(&joydev->wait);
dev_set_name(&joydev->dev, "js%d", minor);
- joydev->exist = 1;
+ joydev->exist = true;
joydev->minor = minor;
- joydev->exist = 1;
joydev->handle.dev = input_get_device(dev);
joydev->handle.name = dev_name(&joydev->dev);
joydev->handle.handler = handler;
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index c1087ce4cef9..269a846f3694 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -9,6 +9,7 @@
* 2005 Dominic Cerquetti <binary1230@yahoo.com>
* 2006 Adam Buchbinder <adam.buchbinder@gmail.com>
* 2007 Jan Kratochvil <honza@jikos.cz>
+ * 2010 Christoph Fritz <chf.fritz@googlemail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -88,6 +89,9 @@
but we map them to axes when possible to simplify things */
#define MAP_DPAD_TO_BUTTONS (1 << 0)
#define MAP_TRIGGERS_TO_BUTTONS (1 << 1)
+#define MAP_STICKS_TO_NULL (1 << 2)
+#define DANCEPAD_MAP_CONFIG (MAP_DPAD_TO_BUTTONS | \
+ MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL)
#define XTYPE_XBOX 0
#define XTYPE_XBOX360 1
@@ -102,6 +106,10 @@ static int triggers_to_buttons;
module_param(triggers_to_buttons, bool, S_IRUGO);
MODULE_PARM_DESC(triggers_to_buttons, "Map triggers to buttons rather than axes for unknown pads");
+static int sticks_to_null;
+module_param(sticks_to_null, bool, S_IRUGO);
+MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads");
+
static const struct xpad_device {
u16 idVendor;
u16 idProduct;
@@ -114,7 +122,7 @@ static const struct xpad_device {
{ 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", 0, XTYPE_XBOX },
{ 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX },
{ 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
- { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
+ { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", DANCEPAD_MAP_CONFIG, XTYPE_XBOX },
{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
{ 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 },
{ 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX },
@@ -151,6 +159,7 @@ static const struct xpad_device {
{ 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },
{ 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+ { 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
{ 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN }
};
@@ -158,7 +167,7 @@ static const struct xpad_device {
/* buttons shared with xbox and xbox360 */
static const signed short xpad_common_btn[] = {
BTN_A, BTN_B, BTN_X, BTN_Y, /* "analog" buttons */
- BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */
+ BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */
-1 /* terminating entry */
};
@@ -168,10 +177,10 @@ static const signed short xpad_btn[] = {
-1 /* terminating entry */
};
-/* used when dpad is mapped to nuttons */
+/* used when dpad is mapped to buttons */
static const signed short xpad_btn_pad[] = {
- BTN_LEFT, BTN_RIGHT, /* d-pad left, right */
- BTN_0, BTN_1, /* d-pad up, down (XXX names??) */
+ BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2, /* d-pad left, right */
+ BTN_TRIGGER_HAPPY3, BTN_TRIGGER_HAPPY4, /* d-pad up, down */
-1 /* terminating entry */
};
@@ -279,17 +288,19 @@ static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *d
{
struct input_dev *dev = xpad->dev;
- /* left stick */
- input_report_abs(dev, ABS_X,
- (__s16) le16_to_cpup((__le16 *)(data + 12)));
- input_report_abs(dev, ABS_Y,
- ~(__s16) le16_to_cpup((__le16 *)(data + 14)));
-
- /* right stick */
- input_report_abs(dev, ABS_RX,
- (__s16) le16_to_cpup((__le16 *)(data + 16)));
- input_report_abs(dev, ABS_RY,
- ~(__s16) le16_to_cpup((__le16 *)(data + 18)));
+ if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
+ /* left stick */
+ input_report_abs(dev, ABS_X,
+ (__s16) le16_to_cpup((__le16 *)(data + 12)));
+ input_report_abs(dev, ABS_Y,
+ ~(__s16) le16_to_cpup((__le16 *)(data + 14)));
+
+ /* right stick */
+ input_report_abs(dev, ABS_RX,
+ (__s16) le16_to_cpup((__le16 *)(data + 16)));
+ input_report_abs(dev, ABS_RY,
+ ~(__s16) le16_to_cpup((__le16 *)(data + 18)));
+ }
/* triggers left/right */
if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
@@ -302,10 +313,11 @@ static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *d
/* digital pad */
if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
- input_report_key(dev, BTN_LEFT, data[2] & 0x04);
- input_report_key(dev, BTN_RIGHT, data[2] & 0x08);
- input_report_key(dev, BTN_0, data[2] & 0x01); /* up */
- input_report_key(dev, BTN_1, data[2] & 0x02); /* down */
+ /* dpad as buttons (left, right, up, down) */
+ input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04);
+ input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08);
+ input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01);
+ input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02);
} else {
input_report_abs(dev, ABS_HAT0X,
!!(data[2] & 0x08) - !!(data[2] & 0x04));
@@ -315,7 +327,7 @@ static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *d
/* start/back buttons and stick press left/right */
input_report_key(dev, BTN_START, data[2] & 0x10);
- input_report_key(dev, BTN_BACK, data[2] & 0x20);
+ input_report_key(dev, BTN_SELECT, data[2] & 0x20);
input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
input_report_key(dev, BTN_THUMBR, data[2] & 0x80);
@@ -349,11 +361,11 @@ static void xpad360_process_packet(struct usb_xpad *xpad,
/* digital pad */
if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
- /* dpad as buttons (right, left, down, up) */
- input_report_key(dev, BTN_LEFT, data[2] & 0x04);
- input_report_key(dev, BTN_RIGHT, data[2] & 0x08);
- input_report_key(dev, BTN_0, data[2] & 0x01); /* up */
- input_report_key(dev, BTN_1, data[2] & 0x02); /* down */
+ /* dpad as buttons (left, right, up, down) */
+ input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04);
+ input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08);
+ input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01);
+ input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02);
} else {
input_report_abs(dev, ABS_HAT0X,
!!(data[2] & 0x08) - !!(data[2] & 0x04));
@@ -363,7 +375,7 @@ static void xpad360_process_packet(struct usb_xpad *xpad,
/* start/back buttons */
input_report_key(dev, BTN_START, data[2] & 0x10);
- input_report_key(dev, BTN_BACK, data[2] & 0x20);
+ input_report_key(dev, BTN_SELECT, data[2] & 0x20);
/* stick press left/right */
input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
@@ -378,17 +390,19 @@ static void xpad360_process_packet(struct usb_xpad *xpad,
input_report_key(dev, BTN_TR, data[3] & 0x02);
input_report_key(dev, BTN_MODE, data[3] & 0x04);
- /* left stick */
- input_report_abs(dev, ABS_X,
- (__s16) le16_to_cpup((__le16 *)(data + 6)));
- input_report_abs(dev, ABS_Y,
- ~(__s16) le16_to_cpup((__le16 *)(data + 8)));
-
- /* right stick */
- input_report_abs(dev, ABS_RX,
- (__s16) le16_to_cpup((__le16 *)(data + 10)));
- input_report_abs(dev, ABS_RY,
- ~(__s16) le16_to_cpup((__le16 *)(data + 12)));
+ if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
+ /* left stick */
+ input_report_abs(dev, ABS_X,
+ (__s16) le16_to_cpup((__le16 *)(data + 6)));
+ input_report_abs(dev, ABS_Y,
+ ~(__s16) le16_to_cpup((__le16 *)(data + 8)));
+
+ /* right stick */
+ input_report_abs(dev, ABS_RX,
+ (__s16) le16_to_cpup((__le16 *)(data + 10)));
+ input_report_abs(dev, ABS_RY,
+ ~(__s16) le16_to_cpup((__le16 *)(data + 12)));
+ }
/* triggers left/right */
if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
@@ -814,6 +828,8 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
xpad->mapping |= MAP_DPAD_TO_BUTTONS;
if (triggers_to_buttons)
xpad->mapping |= MAP_TRIGGERS_TO_BUTTONS;
+ if (sticks_to_null)
+ xpad->mapping |= MAP_STICKS_TO_NULL;
}
xpad->dev = input_dev;
@@ -830,16 +846,20 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
input_dev->open = xpad_open;
input_dev->close = xpad_close;
- input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->evbit[0] = BIT_MASK(EV_KEY);
+
+ if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
+ input_dev->evbit[0] |= BIT_MASK(EV_ABS);
+ /* set up axes */
+ for (i = 0; xpad_abs[i] >= 0; i++)
+ xpad_set_up_abs(input_dev, xpad_abs[i]);
+ }
- /* set up standard buttons and axes */
+ /* set up standard buttons */
for (i = 0; xpad_common_btn[i] >= 0; i++)
__set_bit(xpad_common_btn[i], input_dev->keybit);
- for (i = 0; xpad_abs[i] >= 0; i++)
- xpad_set_up_abs(input_dev, xpad_abs[i]);
-
- /* Now set up model-specific ones */
+ /* set up model-specific ones */
if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) {
for (i = 0; xpad360_btn[i] >= 0; i++)
__set_bit(xpad360_btn[i], input_dev->keybit);
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 1ba25145b333..b171f63fe4d7 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -297,6 +297,18 @@ config KEYBOARD_MAX7359
To compile this driver as a module, choose M here: the
module will be called max7359_keypad.
+config KEYBOARD_MCS
+ tristate "MELFAS MCS Touchkey"
+ depends on I2C
+ help
+ Say Y here if you have the MELFAS MCS5000/5080 touchkey controller
+ chip in your system.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called mcs_touchkey.
+
config KEYBOARD_IMX
tristate "IMX keypad support"
depends on ARCH_MXC
@@ -342,6 +354,15 @@ config KEYBOARD_PXA930_ROTARY
To compile this driver as a module, choose M here: the
module will be called pxa930_rotary.
+config KEYBOARD_SAMSUNG
+ tristate "Samsung keypad support"
+ depends on SAMSUNG_DEV_KEYPAD
+ help
+ Say Y here if you want to use the Samsung keypad.
+
+ To compile this driver as a module, choose M here: the
+ module will be called samsung-keypad.
+
config KEYBOARD_STOWAWAY
tristate "Stowaway keyboard"
select SERIO
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 4596d0c6f922..1a66d5f1ca8b 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -26,12 +26,14 @@ obj-$(CONFIG_KEYBOARD_LOCOMO) += locomokbd.o
obj-$(CONFIG_KEYBOARD_MAPLE) += maple_keyb.o
obj-$(CONFIG_KEYBOARD_MATRIX) += matrix_keypad.o
obj-$(CONFIG_KEYBOARD_MAX7359) += max7359_keypad.o
+obj-$(CONFIG_KEYBOARD_MCS) += mcs_touchkey.o
obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o
obj-$(CONFIG_KEYBOARD_OMAP) += omap-keypad.o
obj-$(CONFIG_KEYBOARD_OPENCORES) += opencores-kbd.o
obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x_keypad.o
obj-$(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_STOWAWAY) += stowaway.o
obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index 744600eff222..d6918cb966c0 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -19,6 +19,7 @@
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/i2c.h>
+#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/i2c/adp5588.h>
@@ -54,6 +55,10 @@
#define KEYP_MAX_EVENT 10
+#define MAXGPIO 18
+#define ADP_BANK(offs) ((offs) >> 3)
+#define ADP_BIT(offs) (1u << ((offs) & 0x7))
+
/*
* Early pre 4.0 Silicon required to delay readout by at least 25ms,
* since the Event Counter Register updated 25ms after the interrupt
@@ -67,6 +72,16 @@ struct adp5588_kpad {
struct delayed_work work;
unsigned long delay;
unsigned short keycode[ADP5588_KEYMAPSIZE];
+ const struct adp5588_gpi_map *gpimap;
+ unsigned short gpimapsize;
+#ifdef CONFIG_GPIOLIB
+ unsigned char gpiomap[MAXGPIO];
+ bool export_gpio;
+ struct gpio_chip gc;
+ struct mutex gpio_lock; /* Protect cached dir, dat_out */
+ u8 dat_out[3];
+ u8 dir[3];
+#endif
};
static int adp5588_read(struct i2c_client *client, u8 reg)
@@ -84,12 +99,222 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val)
return i2c_smbus_write_byte_data(client, reg, val);
}
+#ifdef CONFIG_GPIOLIB
+static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off)
+{
+ struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
+ unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+
+ return !!(adp5588_read(kpad->client, GPIO_DAT_STAT1 + bank) & bit);
+}
+
+static void adp5588_gpio_set_value(struct gpio_chip *chip,
+ unsigned off, int val)
+{
+ struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
+ unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+
+ mutex_lock(&kpad->gpio_lock);
+
+ if (val)
+ kpad->dat_out[bank] |= bit;
+ else
+ kpad->dat_out[bank] &= ~bit;
+
+ adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank,
+ kpad->dat_out[bank]);
+
+ mutex_unlock(&kpad->gpio_lock);
+}
+
+static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off)
+{
+ struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
+ unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ int ret;
+
+ mutex_lock(&kpad->gpio_lock);
+
+ kpad->dir[bank] &= ~bit;
+ ret = adp5588_write(kpad->client, GPIO_DIR1 + bank, kpad->dir[bank]);
+
+ mutex_unlock(&kpad->gpio_lock);
+
+ return ret;
+}
+
+static int adp5588_gpio_direction_output(struct gpio_chip *chip,
+ unsigned off, int val)
+{
+ struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
+ unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ int ret;
+
+ mutex_lock(&kpad->gpio_lock);
+
+ kpad->dir[bank] |= bit;
+
+ if (val)
+ kpad->dat_out[bank] |= bit;
+ else
+ kpad->dat_out[bank] &= ~bit;
+
+ ret = adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank,
+ kpad->dat_out[bank]);
+ ret |= adp5588_write(kpad->client, GPIO_DIR1 + bank,
+ kpad->dir[bank]);
+
+ mutex_unlock(&kpad->gpio_lock);
+
+ return ret;
+}
+
+static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad,
+ const struct adp5588_kpad_platform_data *pdata)
+{
+ bool pin_used[MAXGPIO];
+ int n_unused = 0;
+ int i;
+
+ memset(pin_used, 0, sizeof(pin_used));
+
+ for (i = 0; i < pdata->rows; i++)
+ pin_used[i] = true;
+
+ for (i = 0; i < pdata->cols; i++)
+ pin_used[i + GPI_PIN_COL_BASE - GPI_PIN_BASE] = true;
+
+ for (i = 0; i < kpad->gpimapsize; i++)
+ pin_used[kpad->gpimap[i].pin - GPI_PIN_BASE] = true;
+
+ for (i = 0; i < MAXGPIO; i++)
+ if (!pin_used[i])
+ kpad->gpiomap[n_unused++] = i;
+
+ return n_unused;
+}
+
+static int __devinit adp5588_gpio_add(struct adp5588_kpad *kpad)
+{
+ struct device *dev = &kpad->client->dev;
+ const struct adp5588_kpad_platform_data *pdata = dev->platform_data;
+ const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
+ int i, error;
+
+ if (!gpio_data)
+ return 0;
+
+ kpad->gc.ngpio = adp5588_build_gpiomap(kpad, pdata);
+ if (kpad->gc.ngpio == 0) {
+ dev_info(dev, "No unused gpios left to export\n");
+ return 0;
+ }
+
+ kpad->export_gpio = true;
+
+ kpad->gc.direction_input = adp5588_gpio_direction_input;
+ kpad->gc.direction_output = adp5588_gpio_direction_output;
+ kpad->gc.get = adp5588_gpio_get_value;
+ kpad->gc.set = adp5588_gpio_set_value;
+ kpad->gc.can_sleep = 1;
+
+ kpad->gc.base = gpio_data->gpio_start;
+ kpad->gc.label = kpad->client->name;
+ kpad->gc.owner = THIS_MODULE;
+
+ mutex_init(&kpad->gpio_lock);
+
+ error = gpiochip_add(&kpad->gc);
+ if (error) {
+ dev_err(dev, "gpiochip_add failed, err: %d\n", error);
+ return error;
+ }
+
+ for (i = 0; i <= ADP_BANK(MAXGPIO); i++) {
+ kpad->dat_out[i] = adp5588_read(kpad->client,
+ GPIO_DAT_OUT1 + i);
+ kpad->dir[i] = adp5588_read(kpad->client, GPIO_DIR1 + i);
+ }
+
+ if (gpio_data->setup) {
+ error = gpio_data->setup(kpad->client,
+ kpad->gc.base, kpad->gc.ngpio,
+ gpio_data->context);
+ if (error)
+ dev_warn(dev, "setup failed, %d\n", error);
+ }
+
+ return 0;
+}
+
+static void __devexit adp5588_gpio_remove(struct adp5588_kpad *kpad)
+{
+ struct device *dev = &kpad->client->dev;
+ const struct adp5588_kpad_platform_data *pdata = dev->platform_data;
+ const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
+ int error;
+
+ if (!kpad->export_gpio)
+ return;
+
+ if (gpio_data->teardown) {
+ error = gpio_data->teardown(kpad->client,
+ kpad->gc.base, kpad->gc.ngpio,
+ gpio_data->context);
+ if (error)
+ dev_warn(dev, "teardown failed %d\n", error);
+ }
+
+ error = gpiochip_remove(&kpad->gc);
+ if (error)
+ dev_warn(dev, "gpiochip_remove failed %d\n", error);
+}
+#else
+static inline int adp5588_gpio_add(struct adp5588_kpad *kpad)
+{
+ return 0;
+}
+
+static inline void adp5588_gpio_remove(struct adp5588_kpad *kpad)
+{
+}
+#endif
+
+static void adp5588_report_events(struct adp5588_kpad *kpad, int ev_cnt)
+{
+ int i, j;
+
+ for (i = 0; i < ev_cnt; i++) {
+ int key = adp5588_read(kpad->client, Key_EVENTA + i);
+ int key_val = key & KEY_EV_MASK;
+
+ if (key_val >= GPI_PIN_BASE && key_val <= GPI_PIN_END) {
+ for (j = 0; j < kpad->gpimapsize; j++) {
+ if (key_val == kpad->gpimap[j].pin) {
+ input_report_switch(kpad->input,
+ kpad->gpimap[j].sw_evt,
+ key & KEY_EV_PRESSED);
+ break;
+ }
+ }
+ } else {
+ input_report_key(kpad->input,
+ kpad->keycode[key_val - 1],
+ key & KEY_EV_PRESSED);
+ }
+ }
+}
+
static void adp5588_work(struct work_struct *work)
{
struct adp5588_kpad *kpad = container_of(work,
struct adp5588_kpad, work.work);
struct i2c_client *client = kpad->client;
- int i, key, status, ev_cnt;
+ int status, ev_cnt;
status = adp5588_read(client, INT_STAT);
@@ -99,12 +324,7 @@ static void adp5588_work(struct work_struct *work)
if (status & KE_INT) {
ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & KEC;
if (ev_cnt) {
- for (i = 0; i < ev_cnt; i++) {
- key = adp5588_read(client, Key_EVENTA + i);
- input_report_key(kpad->input,
- kpad->keycode[(key & KEY_EV_MASK) - 1],
- key & KEY_EV_PRESSED);
- }
+ adp5588_report_events(kpad, ev_cnt);
input_sync(kpad->input);
}
}
@@ -128,8 +348,10 @@ static irqreturn_t adp5588_irq(int irq, void *handle)
static int __devinit adp5588_setup(struct i2c_client *client)
{
- struct adp5588_kpad_platform_data *pdata = client->dev.platform_data;
+ const struct adp5588_kpad_platform_data *pdata = client->dev.platform_data;
+ const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
int i, ret;
+ unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0;
ret = adp5588_write(client, KP_GPIO1, KP_SEL(pdata->rows));
ret |= adp5588_write(client, KP_GPIO2, KP_SEL(pdata->cols) & 0xFF);
@@ -144,6 +366,32 @@ static int __devinit adp5588_setup(struct i2c_client *client)
for (i = 0; i < KEYP_MAX_EVENT; i++)
ret |= adp5588_read(client, Key_EVENTA);
+ for (i = 0; i < pdata->gpimapsize; i++) {
+ unsigned short pin = pdata->gpimap[i].pin;
+
+ if (pin <= GPI_PIN_ROW_END) {
+ evt_mode1 |= (1 << (pin - GPI_PIN_ROW_BASE));
+ } else {
+ evt_mode2 |= ((1 << (pin - GPI_PIN_COL_BASE)) & 0xFF);
+ evt_mode3 |= ((1 << (pin - GPI_PIN_COL_BASE)) >> 8);
+ }
+ }
+
+ if (pdata->gpimapsize) {
+ ret |= adp5588_write(client, GPI_EM1, evt_mode1);
+ ret |= adp5588_write(client, GPI_EM2, evt_mode2);
+ ret |= adp5588_write(client, GPI_EM3, evt_mode3);
+ }
+
+ if (gpio_data) {
+ for (i = 0; i <= ADP_BANK(MAXGPIO); i++) {
+ int pull_mask = gpio_data->pullup_dis_mask;
+
+ ret |= adp5588_write(client, GPIO_PULL1 + i,
+ (pull_mask >> (8 * i)) & 0xFF);
+ }
+ }
+
ret |= adp5588_write(client, INT_STAT, CMP2_INT | CMP1_INT |
OVR_FLOW_INT | K_LCK_INT |
GPI_INT | KE_INT); /* Status is W1C */
@@ -158,11 +406,49 @@ static int __devinit adp5588_setup(struct i2c_client *client)
return 0;
}
+static void __devinit adp5588_report_switch_state(struct adp5588_kpad *kpad)
+{
+ int gpi_stat1 = adp5588_read(kpad->client, GPIO_DAT_STAT1);
+ int gpi_stat2 = adp5588_read(kpad->client, GPIO_DAT_STAT2);
+ int gpi_stat3 = adp5588_read(kpad->client, GPIO_DAT_STAT3);
+ int gpi_stat_tmp, pin_loc;
+ int i;
+
+ for (i = 0; i < kpad->gpimapsize; i++) {
+ unsigned short pin = kpad->gpimap[i].pin;
+
+ if (pin <= GPI_PIN_ROW_END) {
+ gpi_stat_tmp = gpi_stat1;
+ pin_loc = pin - GPI_PIN_ROW_BASE;
+ } else if ((pin - GPI_PIN_COL_BASE) < 8) {
+ gpi_stat_tmp = gpi_stat2;
+ pin_loc = pin - GPI_PIN_COL_BASE;
+ } else {
+ gpi_stat_tmp = gpi_stat3;
+ pin_loc = pin - GPI_PIN_COL_BASE - 8;
+ }
+
+ if (gpi_stat_tmp < 0) {
+ dev_err(&kpad->client->dev,
+ "Can't read GPIO_DAT_STAT switch %d default to OFF\n",
+ pin);
+ gpi_stat_tmp = 0;
+ }
+
+ input_report_switch(kpad->input,
+ kpad->gpimap[i].sw_evt,
+ !(gpi_stat_tmp & (1 << pin_loc)));
+ }
+
+ input_sync(kpad->input);
+}
+
+
static int __devinit adp5588_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct adp5588_kpad *kpad;
- struct adp5588_kpad_platform_data *pdata = client->dev.platform_data;
+ const struct adp5588_kpad_platform_data *pdata = client->dev.platform_data;
struct input_dev *input;
unsigned int revid;
int ret, i;
@@ -189,6 +475,37 @@ static int __devinit adp5588_probe(struct i2c_client *client,
return -EINVAL;
}
+ if (!pdata->gpimap && pdata->gpimapsize) {
+ dev_err(&client->dev, "invalid gpimap from pdata\n");
+ return -EINVAL;
+ }
+
+ if (pdata->gpimapsize > ADP5588_GPIMAPSIZE_MAX) {
+ dev_err(&client->dev, "invalid gpimapsize\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < pdata->gpimapsize; i++) {
+ unsigned short pin = pdata->gpimap[i].pin;
+
+ if (pin < GPI_PIN_BASE || pin > GPI_PIN_END) {
+ dev_err(&client->dev, "invalid gpi pin data\n");
+ return -EINVAL;
+ }
+
+ if (pin <= GPI_PIN_ROW_END) {
+ if (pin - GPI_PIN_ROW_BASE + 1 <= pdata->rows) {
+ dev_err(&client->dev, "invalid gpi row data\n");
+ return -EINVAL;
+ }
+ } else {
+ if (pin - GPI_PIN_COL_BASE + 1 <= pdata->cols) {
+ dev_err(&client->dev, "invalid gpi col data\n");
+ return -EINVAL;
+ }
+ }
+ }
+
if (!client->irq) {
dev_err(&client->dev, "no IRQ?\n");
return -EINVAL;
@@ -233,6 +550,9 @@ static int __devinit adp5588_probe(struct i2c_client *client,
memcpy(kpad->keycode, pdata->keymap,
pdata->keymapsize * input->keycodesize);
+ kpad->gpimap = pdata->gpimap;
+ kpad->gpimapsize = pdata->gpimapsize;
+
/* setup input device */
__set_bit(EV_KEY, input->evbit);
@@ -243,6 +563,11 @@ static int __devinit adp5588_probe(struct i2c_client *client,
__set_bit(kpad->keycode[i] & KEY_MAX, input->keybit);
__clear_bit(KEY_RESERVED, input->keybit);
+ if (kpad->gpimapsize)
+ __set_bit(EV_SW, input->evbit);
+ for (i = 0; i < kpad->gpimapsize; i++)
+ __set_bit(kpad->gpimap[i].sw_evt, input->swbit);
+
error = input_register_device(input);
if (error) {
dev_err(&client->dev, "unable to register input device\n");
@@ -261,6 +586,13 @@ static int __devinit adp5588_probe(struct i2c_client *client,
if (error)
goto err_free_irq;
+ if (kpad->gpimapsize)
+ adp5588_report_switch_state(kpad);
+
+ error = adp5588_gpio_add(kpad);
+ if (error)
+ goto err_free_irq;
+
device_init_wakeup(&client->dev, 1);
i2c_set_clientdata(client, kpad);
@@ -287,6 +619,7 @@ static int __devexit adp5588_remove(struct i2c_client *client)
free_irq(client->irq, kpad);
cancel_delayed_work_sync(&kpad->work);
input_unregister_device(kpad->input);
+ adp5588_gpio_remove(kpad);
kfree(kpad);
return 0;
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index b8213fd13c3f..a9fd147f2ba7 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -31,6 +31,7 @@ struct gpio_button_data {
struct input_dev *input;
struct timer_list timer;
struct work_struct work;
+ int timer_debounce; /* in msecs */
bool disabled;
};
@@ -109,7 +110,7 @@ static void gpio_keys_disable_button(struct gpio_button_data *bdata)
* Disable IRQ and possible debouncing timer.
*/
disable_irq(gpio_to_irq(bdata->button->gpio));
- if (bdata->button->debounce_interval)
+ if (bdata->timer_debounce)
del_timer_sync(&bdata->timer);
bdata->disabled = true;
@@ -347,9 +348,9 @@ static irqreturn_t gpio_keys_isr(int irq, void *dev_id)
BUG_ON(irq != gpio_to_irq(button->gpio));
- if (button->debounce_interval)
+ if (bdata->timer_debounce)
mod_timer(&bdata->timer,
- jiffies + msecs_to_jiffies(button->debounce_interval));
+ jiffies + msecs_to_jiffies(bdata->timer_debounce));
else
schedule_work(&bdata->work);
@@ -383,6 +384,14 @@ static int __devinit gpio_keys_setup_key(struct platform_device *pdev,
goto fail3;
}
+ if (button->debounce_interval) {
+ error = gpio_set_debounce(button->gpio,
+ button->debounce_interval * 1000);
+ /* use timer if gpiolib doesn't provide debounce */
+ if (error < 0)
+ bdata->timer_debounce = button->debounce_interval;
+ }
+
irq = gpio_to_irq(button->gpio);
if (irq < 0) {
error = irq;
@@ -498,7 +507,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
fail2:
while (--i >= 0) {
free_irq(gpio_to_irq(pdata->buttons[i].gpio), &ddata->data[i]);
- if (pdata->buttons[i].debounce_interval)
+ if (ddata->data[i].timer_debounce)
del_timer_sync(&ddata->data[i].timer);
cancel_work_sync(&ddata->data[i].work);
gpio_free(pdata->buttons[i].gpio);
@@ -526,7 +535,7 @@ static int __devexit gpio_keys_remove(struct platform_device *pdev)
for (i = 0; i < pdata->nbuttons; i++) {
int irq = gpio_to_irq(pdata->buttons[i].gpio);
free_irq(irq, &ddata->data[i]);
- if (pdata->buttons[i].debounce_interval)
+ if (ddata->data[i].timer_debounce)
del_timer_sync(&ddata->data[i].timer);
cancel_work_sync(&ddata->data[i].work);
gpio_free(pdata->buttons[i].gpio);
diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c
index 40b032f0e32c..f7c2a166576b 100644
--- a/drivers/input/keyboard/lm8323.c
+++ b/drivers/input/keyboard/lm8323.c
@@ -642,6 +642,7 @@ static int __devinit lm8323_probe(struct i2c_client *client,
struct lm8323_platform_data *pdata = client->dev.platform_data;
struct input_dev *idev;
struct lm8323_chip *lm;
+ int pwm;
int i, err;
unsigned long tmo;
u8 data[2];
@@ -710,8 +711,9 @@ static int __devinit lm8323_probe(struct i2c_client *client,
goto fail1;
}
- for (i = 0; i < LM8323_NUM_PWMS; i++) {
- err = init_pwm(lm, i + 1, &client->dev, pdata->pwm_names[i]);
+ for (pwm = 0; pwm < LM8323_NUM_PWMS; pwm++) {
+ err = init_pwm(lm, pwm + 1, &client->dev,
+ pdata->pwm_names[pwm]);
if (err < 0)
goto fail2;
}
@@ -764,9 +766,9 @@ fail4:
fail3:
device_remove_file(&client->dev, &dev_attr_disable_kp);
fail2:
- while (--i >= 0)
- if (lm->pwm[i].enabled)
- led_classdev_unregister(&lm->pwm[i].cdev);
+ while (--pwm >= 0)
+ if (lm->pwm[pwm].enabled)
+ led_classdev_unregister(&lm->pwm[pwm].cdev);
fail1:
input_free_device(idev);
kfree(lm);
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index b443e088fd3c..b02e4268e18f 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -37,6 +37,7 @@ struct matrix_keypad {
spinlock_t lock;
bool scan_pending;
bool stopped;
+ bool gpio_all_disabled;
};
/*
@@ -87,8 +88,12 @@ static void enable_row_irqs(struct matrix_keypad *keypad)
const struct matrix_keypad_platform_data *pdata = keypad->pdata;
int i;
- for (i = 0; i < pdata->num_row_gpios; i++)
- enable_irq(gpio_to_irq(pdata->row_gpios[i]));
+ if (pdata->clustered_irq > 0)
+ enable_irq(pdata->clustered_irq);
+ else {
+ for (i = 0; i < pdata->num_row_gpios; i++)
+ enable_irq(gpio_to_irq(pdata->row_gpios[i]));
+ }
}
static void disable_row_irqs(struct matrix_keypad *keypad)
@@ -96,8 +101,12 @@ static void disable_row_irqs(struct matrix_keypad *keypad)
const struct matrix_keypad_platform_data *pdata = keypad->pdata;
int i;
- for (i = 0; i < pdata->num_row_gpios; i++)
- disable_irq_nosync(gpio_to_irq(pdata->row_gpios[i]));
+ if (pdata->clustered_irq > 0)
+ disable_irq_nosync(pdata->clustered_irq);
+ else {
+ for (i = 0; i < pdata->num_row_gpios; i++)
+ disable_irq_nosync(gpio_to_irq(pdata->row_gpios[i]));
+ }
}
/*
@@ -216,45 +225,69 @@ static void matrix_keypad_stop(struct input_dev *dev)
}
#ifdef CONFIG_PM
-static int matrix_keypad_suspend(struct device *dev)
+static void matrix_keypad_enable_wakeup(struct matrix_keypad *keypad)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct matrix_keypad *keypad = platform_get_drvdata(pdev);
const struct matrix_keypad_platform_data *pdata = keypad->pdata;
+ unsigned int gpio;
int i;
- matrix_keypad_stop(keypad->input_dev);
+ if (pdata->clustered_irq > 0) {
+ if (enable_irq_wake(pdata->clustered_irq) == 0)
+ keypad->gpio_all_disabled = true;
+ } else {
- if (device_may_wakeup(&pdev->dev)) {
for (i = 0; i < pdata->num_row_gpios; i++) {
if (!test_bit(i, keypad->disabled_gpios)) {
- unsigned int gpio = pdata->row_gpios[i];
+ gpio = pdata->row_gpios[i];
if (enable_irq_wake(gpio_to_irq(gpio)) == 0)
__set_bit(i, keypad->disabled_gpios);
}
}
}
-
- return 0;
}
-static int matrix_keypad_resume(struct device *dev)
+static void matrix_keypad_disable_wakeup(struct matrix_keypad *keypad)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct matrix_keypad *keypad = platform_get_drvdata(pdev);
const struct matrix_keypad_platform_data *pdata = keypad->pdata;
+ unsigned int gpio;
int i;
- if (device_may_wakeup(&pdev->dev)) {
+ if (pdata->clustered_irq > 0) {
+ if (keypad->gpio_all_disabled) {
+ disable_irq_wake(pdata->clustered_irq);
+ keypad->gpio_all_disabled = false;
+ }
+ } else {
for (i = 0; i < pdata->num_row_gpios; i++) {
if (test_and_clear_bit(i, keypad->disabled_gpios)) {
- unsigned int gpio = pdata->row_gpios[i];
-
+ gpio = pdata->row_gpios[i];
disable_irq_wake(gpio_to_irq(gpio));
}
}
}
+}
+
+static int matrix_keypad_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct matrix_keypad *keypad = platform_get_drvdata(pdev);
+
+ matrix_keypad_stop(keypad->input_dev);
+
+ if (device_may_wakeup(&pdev->dev))
+ matrix_keypad_enable_wakeup(keypad);
+
+ return 0;
+}
+
+static int matrix_keypad_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct matrix_keypad *keypad = platform_get_drvdata(pdev);
+
+ if (device_may_wakeup(&pdev->dev))
+ matrix_keypad_disable_wakeup(keypad);
matrix_keypad_start(keypad->input_dev);
@@ -296,17 +329,31 @@ static int __devinit init_matrix_gpio(struct platform_device *pdev,
gpio_direction_input(pdata->row_gpios[i]);
}
- for (i = 0; i < pdata->num_row_gpios; i++) {
- err = request_irq(gpio_to_irq(pdata->row_gpios[i]),
+ if (pdata->clustered_irq > 0) {
+ err = request_irq(pdata->clustered_irq,
matrix_keypad_interrupt,
- IRQF_DISABLED |
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ pdata->clustered_irq_flags,
"matrix-keypad", keypad);
if (err) {
dev_err(&pdev->dev,
- "Unable to acquire interrupt for GPIO line %i\n",
- pdata->row_gpios[i]);
- goto err_free_irqs;
+ "Unable to acquire clustered interrupt\n");
+ goto err_free_rows;
+ }
+ } else {
+ for (i = 0; i < pdata->num_row_gpios; i++) {
+ err = request_irq(gpio_to_irq(pdata->row_gpios[i]),
+ matrix_keypad_interrupt,
+ IRQF_DISABLED |
+ IRQF_TRIGGER_RISING |
+ IRQF_TRIGGER_FALLING,
+ "matrix-keypad", keypad);
+ if (err) {
+ dev_err(&pdev->dev,
+ "Unable to acquire interrupt "
+ "for GPIO line %i\n",
+ pdata->row_gpios[i]);
+ goto err_free_irqs;
+ }
}
}
@@ -418,11 +465,16 @@ static int __devexit matrix_keypad_remove(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 0);
- for (i = 0; i < pdata->num_row_gpios; i++) {
- free_irq(gpio_to_irq(pdata->row_gpios[i]), keypad);
- gpio_free(pdata->row_gpios[i]);
+ if (pdata->clustered_irq > 0) {
+ free_irq(pdata->clustered_irq, keypad);
+ } else {
+ for (i = 0; i < pdata->num_row_gpios; i++)
+ free_irq(gpio_to_irq(pdata->row_gpios[i]), keypad);
}
+ for (i = 0; i < pdata->num_row_gpios; i++)
+ gpio_free(pdata->row_gpios[i]);
+
for (i = 0; i < pdata->num_col_gpios; i++)
gpio_free(pdata->col_gpios[i]);
diff --git a/drivers/input/keyboard/mcs_touchkey.c b/drivers/input/keyboard/mcs_touchkey.c
new file mode 100644
index 000000000000..63b849d7e90b
--- /dev/null
+++ b/drivers/input/keyboard/mcs_touchkey.c
@@ -0,0 +1,239 @@
+/*
+ * mcs_touchkey.c - Touchkey driver for MELFAS MCS5000/5080 controller
+ *
+ * Copyright (C) 2010 Samsung Electronics Co.Ltd
+ * Author: HeungJun Kim <riverful.kim@samsung.com>
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/i2c/mcs.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+
+/* MCS5000 Touchkey */
+#define MCS5000_TOUCHKEY_STATUS 0x04
+#define MCS5000_TOUCHKEY_STATUS_PRESS 7
+#define MCS5000_TOUCHKEY_FW 0x0a
+#define MCS5000_TOUCHKEY_BASE_VAL 0x61
+
+/* MCS5080 Touchkey */
+#define MCS5080_TOUCHKEY_STATUS 0x00
+#define MCS5080_TOUCHKEY_STATUS_PRESS 3
+#define MCS5080_TOUCHKEY_FW 0x01
+#define MCS5080_TOUCHKEY_BASE_VAL 0x1
+
+enum mcs_touchkey_type {
+ MCS5000_TOUCHKEY,
+ MCS5080_TOUCHKEY,
+};
+
+struct mcs_touchkey_chip {
+ unsigned int status_reg;
+ unsigned int pressbit;
+ unsigned int press_invert;
+ unsigned int baseval;
+};
+
+struct mcs_touchkey_data {
+ struct i2c_client *client;
+ struct input_dev *input_dev;
+ struct mcs_touchkey_chip chip;
+ unsigned int key_code;
+ unsigned int key_val;
+ unsigned short keycodes[];
+};
+
+static irqreturn_t mcs_touchkey_interrupt(int irq, void *dev_id)
+{
+ struct mcs_touchkey_data *data = dev_id;
+ struct mcs_touchkey_chip *chip = &data->chip;
+ struct i2c_client *client = data->client;
+ struct input_dev *input = data->input_dev;
+ unsigned int key_val;
+ unsigned int pressed;
+ int val;
+
+ val = i2c_smbus_read_byte_data(client, chip->status_reg);
+ if (val < 0) {
+ dev_err(&client->dev, "i2c read error [%d]\n", val);
+ goto out;
+ }
+
+ pressed = (val & (1 << chip->pressbit)) >> chip->pressbit;
+ if (chip->press_invert)
+ pressed ^= chip->press_invert;
+
+ /* key_val is 0 when released, so we should use key_val of press. */
+ if (pressed) {
+ key_val = val & (0xff >> (8 - chip->pressbit));
+ if (!key_val)
+ goto out;
+ key_val -= chip->baseval;
+ data->key_code = data->keycodes[key_val];
+ data->key_val = key_val;
+ }
+
+ input_event(input, EV_MSC, MSC_SCAN, data->key_val);
+ input_report_key(input, data->key_code, pressed);
+ input_sync(input);
+
+ dev_dbg(&client->dev, "key %d %d %s\n", data->key_val, data->key_code,
+ pressed ? "pressed" : "released");
+
+ out:
+ return IRQ_HANDLED;
+}
+
+static int __devinit mcs_touchkey_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ const struct mcs_platform_data *pdata;
+ struct mcs_touchkey_data *data;
+ struct input_dev *input_dev;
+ unsigned int fw_reg;
+ int fw_ver;
+ int error;
+ int i;
+
+ pdata = client->dev.platform_data;
+ if (!pdata) {
+ dev_err(&client->dev, "no platform data defined\n");
+ return -EINVAL;
+ }
+
+ data = kzalloc(sizeof(struct mcs_touchkey_data) +
+ sizeof(data->keycodes[0]) * (pdata->key_maxval + 1),
+ GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!data || !input_dev) {
+ dev_err(&client->dev, "Failed to allocate memory\n");
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ data->client = client;
+ data->input_dev = input_dev;
+
+ if (id->driver_data == MCS5000_TOUCHKEY) {
+ data->chip.status_reg = MCS5000_TOUCHKEY_STATUS;
+ data->chip.pressbit = MCS5000_TOUCHKEY_STATUS_PRESS;
+ data->chip.baseval = MCS5000_TOUCHKEY_BASE_VAL;
+ fw_reg = MCS5000_TOUCHKEY_FW;
+ } else {
+ data->chip.status_reg = MCS5080_TOUCHKEY_STATUS;
+ data->chip.pressbit = MCS5080_TOUCHKEY_STATUS_PRESS;
+ data->chip.press_invert = 1;
+ data->chip.baseval = MCS5080_TOUCHKEY_BASE_VAL;
+ fw_reg = MCS5080_TOUCHKEY_FW;
+ }
+
+ fw_ver = i2c_smbus_read_byte_data(client, fw_reg);
+ if (fw_ver < 0) {
+ error = fw_ver;
+ dev_err(&client->dev, "i2c read error[%d]\n", error);
+ goto err_free_mem;
+ }
+ dev_info(&client->dev, "Firmware version: %d\n", fw_ver);
+
+ input_dev->name = "MELPAS MCS Touchkey";
+ input_dev->id.bustype = BUS_I2C;
+ input_dev->dev.parent = &client->dev;
+ input_dev->evbit[0] = BIT_MASK(EV_KEY);
+ if (!pdata->no_autorepeat)
+ input_dev->evbit[0] |= BIT_MASK(EV_REP);
+ input_dev->keycode = data->keycodes;
+ input_dev->keycodesize = sizeof(data->keycodes[0]);
+ input_dev->keycodemax = pdata->key_maxval + 1;
+
+ for (i = 0; i < pdata->keymap_size; i++) {
+ unsigned int val = MCS_KEY_VAL(pdata->keymap[i]);
+ unsigned int code = MCS_KEY_CODE(pdata->keymap[i]);
+
+ data->keycodes[val] = code;
+ __set_bit(code, input_dev->keybit);
+ }
+
+ input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+ input_set_drvdata(input_dev, data);
+
+ if (pdata->cfg_pin)
+ pdata->cfg_pin();
+
+ error = request_threaded_irq(client->irq, NULL, mcs_touchkey_interrupt,
+ IRQF_TRIGGER_FALLING, client->dev.driver->name, data);
+ if (error) {
+ dev_err(&client->dev, "Failed to register interrupt\n");
+ goto err_free_mem;
+ }
+
+ error = input_register_device(input_dev);
+ if (error)
+ goto err_free_irq;
+
+ i2c_set_clientdata(client, data);
+ return 0;
+
+err_free_irq:
+ free_irq(client->irq, data);
+err_free_mem:
+ input_free_device(input_dev);
+ kfree(data);
+ return error;
+}
+
+static int __devexit mcs_touchkey_remove(struct i2c_client *client)
+{
+ struct mcs_touchkey_data *data = i2c_get_clientdata(client);
+
+ free_irq(client->irq, data);
+ input_unregister_device(data->input_dev);
+ kfree(data);
+
+ return 0;
+}
+
+static const struct i2c_device_id mcs_touchkey_id[] = {
+ { "mcs5000_touchkey", MCS5000_TOUCHKEY },
+ { "mcs5080_touchkey", MCS5080_TOUCHKEY },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, mcs_touchkey_id);
+
+static struct i2c_driver mcs_touchkey_driver = {
+ .driver = {
+ .name = "mcs_touchkey",
+ .owner = THIS_MODULE,
+ },
+ .probe = mcs_touchkey_probe,
+ .remove = __devexit_p(mcs_touchkey_remove),
+ .id_table = mcs_touchkey_id,
+};
+
+static int __init mcs_touchkey_init(void)
+{
+ return i2c_add_driver(&mcs_touchkey_driver);
+}
+
+static void __exit mcs_touchkey_exit(void)
+{
+ i2c_del_driver(&mcs_touchkey_driver);
+}
+
+module_init(mcs_touchkey_init);
+module_exit(mcs_touchkey_exit);
+
+/* Module information */
+MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
+MODULE_AUTHOR("HeungJun Kim <riverful.kim@samsung.com>");
+MODULE_DESCRIPTION("Touchkey driver for MELFAS MCS5000/5080 controller");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
new file mode 100644
index 000000000000..f689f49e3109
--- /dev/null
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -0,0 +1,491 @@
+/*
+ * Samsung keypad driver
+ *
+ * Copyright (C) 2010 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ * Author: Donghwa Lee <dh09.lee@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
+#include <plat/keypad.h>
+
+#define SAMSUNG_KEYIFCON 0x00
+#define SAMSUNG_KEYIFSTSCLR 0x04
+#define SAMSUNG_KEYIFCOL 0x08
+#define SAMSUNG_KEYIFROW 0x0c
+#define SAMSUNG_KEYIFFC 0x10
+
+/* SAMSUNG_KEYIFCON */
+#define SAMSUNG_KEYIFCON_INT_F_EN (1 << 0)
+#define SAMSUNG_KEYIFCON_INT_R_EN (1 << 1)
+#define SAMSUNG_KEYIFCON_DF_EN (1 << 2)
+#define SAMSUNG_KEYIFCON_FC_EN (1 << 3)
+#define SAMSUNG_KEYIFCON_WAKEUPEN (1 << 4)
+
+/* SAMSUNG_KEYIFSTSCLR */
+#define SAMSUNG_KEYIFSTSCLR_P_INT_MASK (0xff << 0)
+#define SAMSUNG_KEYIFSTSCLR_R_INT_MASK (0xff << 8)
+#define SAMSUNG_KEYIFSTSCLR_R_INT_OFFSET 8
+#define S5PV210_KEYIFSTSCLR_P_INT_MASK (0x3fff << 0)
+#define S5PV210_KEYIFSTSCLR_R_INT_MASK (0x3fff << 16)
+#define S5PV210_KEYIFSTSCLR_R_INT_OFFSET 16
+
+/* SAMSUNG_KEYIFCOL */
+#define SAMSUNG_KEYIFCOL_MASK (0xff << 0)
+#define S5PV210_KEYIFCOLEN_MASK (0xff << 8)
+
+/* SAMSUNG_KEYIFROW */
+#define SAMSUNG_KEYIFROW_MASK (0xff << 0)
+#define S5PV210_KEYIFROW_MASK (0x3fff << 0)
+
+/* SAMSUNG_KEYIFFC */
+#define SAMSUNG_KEYIFFC_MASK (0x3ff << 0)
+
+enum samsung_keypad_type {
+ KEYPAD_TYPE_SAMSUNG,
+ KEYPAD_TYPE_S5PV210,
+};
+
+struct samsung_keypad {
+ struct input_dev *input_dev;
+ struct clk *clk;
+ void __iomem *base;
+ wait_queue_head_t wait;
+ bool stopped;
+ int irq;
+ unsigned int row_shift;
+ unsigned int rows;
+ unsigned int cols;
+ unsigned int row_state[SAMSUNG_MAX_COLS];
+ unsigned short keycodes[];
+};
+
+static int samsung_keypad_is_s5pv210(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ enum samsung_keypad_type type =
+ platform_get_device_id(pdev)->driver_data;
+
+ return type == KEYPAD_TYPE_S5PV210;
+}
+
+static void samsung_keypad_scan(struct samsung_keypad *keypad,
+ unsigned int *row_state)
+{
+ struct device *dev = keypad->input_dev->dev.parent;
+ unsigned int col;
+ unsigned int val;
+
+ for (col = 0; col < keypad->cols; col++) {
+ if (samsung_keypad_is_s5pv210(dev)) {
+ val = S5PV210_KEYIFCOLEN_MASK;
+ val &= ~(1 << col) << 8;
+ } else {
+ val = SAMSUNG_KEYIFCOL_MASK;
+ val &= ~(1 << col);
+ }
+
+ writel(val, keypad->base + SAMSUNG_KEYIFCOL);
+ mdelay(1);
+
+ val = readl(keypad->base + SAMSUNG_KEYIFROW);
+ row_state[col] = ~val & ((1 << keypad->rows) - 1);
+ }
+
+ /* KEYIFCOL reg clear */
+ writel(0, keypad->base + SAMSUNG_KEYIFCOL);
+}
+
+static bool samsung_keypad_report(struct samsung_keypad *keypad,
+ unsigned int *row_state)
+{
+ struct input_dev *input_dev = keypad->input_dev;
+ unsigned int changed;
+ unsigned int pressed;
+ unsigned int key_down = 0;
+ unsigned int val;
+ unsigned int col, row;
+
+ for (col = 0; col < keypad->cols; col++) {
+ changed = row_state[col] ^ keypad->row_state[col];
+ key_down |= row_state[col];
+ if (!changed)
+ continue;
+
+ for (row = 0; row < keypad->rows; row++) {
+ if (!(changed & (1 << row)))
+ continue;
+
+ pressed = row_state[col] & (1 << row);
+
+ dev_dbg(&keypad->input_dev->dev,
+ "key %s, row: %d, col: %d\n",
+ pressed ? "pressed" : "released", row, col);
+
+ val = MATRIX_SCAN_CODE(row, col, keypad->row_shift);
+
+ input_event(input_dev, EV_MSC, MSC_SCAN, val);
+ input_report_key(input_dev,
+ keypad->keycodes[val], pressed);
+ }
+ input_sync(keypad->input_dev);
+ }
+
+ memcpy(keypad->row_state, row_state, sizeof(keypad->row_state));
+
+ return key_down;
+}
+
+static irqreturn_t samsung_keypad_irq(int irq, void *dev_id)
+{
+ struct samsung_keypad *keypad = dev_id;
+ unsigned int row_state[SAMSUNG_MAX_COLS];
+ unsigned int val;
+ bool key_down;
+
+ do {
+ val = readl(keypad->base + SAMSUNG_KEYIFSTSCLR);
+ /* Clear interrupt. */
+ writel(~0x0, keypad->base + SAMSUNG_KEYIFSTSCLR);
+
+ samsung_keypad_scan(keypad, row_state);
+
+ key_down = samsung_keypad_report(keypad, row_state);
+ if (key_down)
+ wait_event_timeout(keypad->wait, keypad->stopped,
+ msecs_to_jiffies(50));
+
+ } while (key_down && !keypad->stopped);
+
+ return IRQ_HANDLED;
+}
+
+static void samsung_keypad_start(struct samsung_keypad *keypad)
+{
+ unsigned int val;
+
+ /* Tell IRQ thread that it may poll the device. */
+ keypad->stopped = false;
+
+ clk_enable(keypad->clk);
+
+ /* Enable interrupt bits. */
+ val = readl(keypad->base + SAMSUNG_KEYIFCON);
+ val |= SAMSUNG_KEYIFCON_INT_F_EN | SAMSUNG_KEYIFCON_INT_R_EN;
+ writel(val, keypad->base + SAMSUNG_KEYIFCON);
+
+ /* KEYIFCOL reg clear. */
+ writel(0, keypad->base + SAMSUNG_KEYIFCOL);
+}
+
+static void samsung_keypad_stop(struct samsung_keypad *keypad)
+{
+ unsigned int val;
+
+ /* Signal IRQ thread to stop polling and disable the handler. */
+ keypad->stopped = true;
+ wake_up(&keypad->wait);
+ disable_irq(keypad->irq);
+
+ /* Clear interrupt. */
+ writel(~0x0, keypad->base + SAMSUNG_KEYIFSTSCLR);
+
+ /* Disable interrupt bits. */
+ val = readl(keypad->base + SAMSUNG_KEYIFCON);
+ val &= ~(SAMSUNG_KEYIFCON_INT_F_EN | SAMSUNG_KEYIFCON_INT_R_EN);
+ writel(val, keypad->base + SAMSUNG_KEYIFCON);
+
+ clk_disable(keypad->clk);
+
+ /*
+ * Now that chip should not generate interrupts we can safely
+ * re-enable the handler.
+ */
+ enable_irq(keypad->irq);
+}
+
+static int samsung_keypad_open(struct input_dev *input_dev)
+{
+ struct samsung_keypad *keypad = input_get_drvdata(input_dev);
+
+ samsung_keypad_start(keypad);
+
+ return 0;
+}
+
+static void samsung_keypad_close(struct input_dev *input_dev)
+{
+ struct samsung_keypad *keypad = input_get_drvdata(input_dev);
+
+ samsung_keypad_stop(keypad);
+}
+
+static int __devinit samsung_keypad_probe(struct platform_device *pdev)
+{
+ const struct samsung_keypad_platdata *pdata;
+ const struct matrix_keymap_data *keymap_data;
+ struct samsung_keypad *keypad;
+ struct resource *res;
+ struct input_dev *input_dev;
+ unsigned int row_shift;
+ unsigned int keymap_size;
+ int error;
+
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&pdev->dev, "no platform data defined\n");
+ return -EINVAL;
+ }
+
+ keymap_data = pdata->keymap_data;
+ if (!keymap_data) {
+ dev_err(&pdev->dev, "no keymap data defined\n");
+ return -EINVAL;
+ }
+
+ if (!pdata->rows || pdata->rows > SAMSUNG_MAX_ROWS)
+ return -EINVAL;
+
+ if (!pdata->cols || pdata->cols > SAMSUNG_MAX_COLS)
+ return -EINVAL;
+
+ /* initialize the gpio */
+ if (pdata->cfg_gpio)
+ pdata->cfg_gpio(pdata->rows, pdata->cols);
+
+ row_shift = get_count_order(pdata->cols);
+ keymap_size = (pdata->rows << row_shift) * sizeof(keypad->keycodes[0]);
+
+ keypad = kzalloc(sizeof(*keypad) + keymap_size, GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!keypad || !input_dev) {
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ error = -ENODEV;
+ goto err_free_mem;
+ }
+
+ keypad->base = ioremap(res->start, resource_size(res));
+ if (!keypad->base) {
+ error = -EBUSY;
+ goto err_free_mem;
+ }
+
+ keypad->clk = clk_get(&pdev->dev, "keypad");
+ if (IS_ERR(keypad->clk)) {
+ dev_err(&pdev->dev, "failed to get keypad clk\n");
+ error = PTR_ERR(keypad->clk);
+ goto err_unmap_base;
+ }
+
+ keypad->input_dev = input_dev;
+ keypad->row_shift = row_shift;
+ keypad->rows = pdata->rows;
+ keypad->cols = pdata->cols;
+ init_waitqueue_head(&keypad->wait);
+
+ input_dev->name = pdev->name;
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->dev.parent = &pdev->dev;
+ input_set_drvdata(input_dev, keypad);
+
+ input_dev->open = samsung_keypad_open;
+ input_dev->close = samsung_keypad_close;
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY);
+ if (!pdata->no_autorepeat)
+ input_dev->evbit[0] |= BIT_MASK(EV_REP);
+
+ input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+
+ input_dev->keycode = keypad->keycodes;
+ input_dev->keycodesize = sizeof(keypad->keycodes[0]);
+ input_dev->keycodemax = pdata->rows << row_shift;
+
+ matrix_keypad_build_keymap(keymap_data, row_shift,
+ input_dev->keycode, input_dev->keybit);
+
+ keypad->irq = platform_get_irq(pdev, 0);
+ if (keypad->irq < 0) {
+ error = keypad->irq;
+ goto err_put_clk;
+ }
+
+ error = request_threaded_irq(keypad->irq, NULL, samsung_keypad_irq,
+ IRQF_ONESHOT, dev_name(&pdev->dev), keypad);
+ if (error) {
+ dev_err(&pdev->dev, "failed to register keypad interrupt\n");
+ goto err_put_clk;
+ }
+
+ error = input_register_device(keypad->input_dev);
+ if (error)
+ goto err_free_irq;
+
+ device_init_wakeup(&pdev->dev, pdata->wakeup);
+ platform_set_drvdata(pdev, keypad);
+ return 0;
+
+err_free_irq:
+ free_irq(keypad->irq, keypad);
+err_put_clk:
+ clk_put(keypad->clk);
+err_unmap_base:
+ iounmap(keypad->base);
+err_free_mem:
+ input_free_device(input_dev);
+ kfree(keypad);
+
+ return error;
+}
+
+static int __devexit samsung_keypad_remove(struct platform_device *pdev)
+{
+ struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+
+ device_init_wakeup(&pdev->dev, 0);
+ platform_set_drvdata(pdev, NULL);
+
+ input_unregister_device(keypad->input_dev);
+
+ /*
+ * It is safe to free IRQ after unregistering device because
+ * samsung_keypad_close will shut off interrupts.
+ */
+ free_irq(keypad->irq, keypad);
+
+ clk_put(keypad->clk);
+
+ iounmap(keypad->base);
+ kfree(keypad);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static void samsung_keypad_toggle_wakeup(struct samsung_keypad *keypad,
+ bool enable)
+{
+ struct device *dev = keypad->input_dev->dev.parent;
+ unsigned int val;
+
+ clk_enable(keypad->clk);
+
+ val = readl(keypad->base + SAMSUNG_KEYIFCON);
+ if (enable) {
+ val |= SAMSUNG_KEYIFCON_WAKEUPEN;
+ if (device_may_wakeup(dev))
+ enable_irq_wake(keypad->irq);
+ } else {
+ val &= ~SAMSUNG_KEYIFCON_WAKEUPEN;
+ if (device_may_wakeup(dev))
+ disable_irq_wake(keypad->irq);
+ }
+ writel(val, keypad->base + SAMSUNG_KEYIFCON);
+
+ clk_disable(keypad->clk);
+}
+
+static int samsung_keypad_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+ struct input_dev *input_dev = keypad->input_dev;
+
+ mutex_lock(&input_dev->mutex);
+
+ if (input_dev->users)
+ samsung_keypad_stop(keypad);
+
+ samsung_keypad_toggle_wakeup(keypad, true);
+
+ mutex_unlock(&input_dev->mutex);
+
+ return 0;
+}
+
+static int samsung_keypad_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+ struct input_dev *input_dev = keypad->input_dev;
+
+ mutex_lock(&input_dev->mutex);
+
+ samsung_keypad_toggle_wakeup(keypad, false);
+
+ if (input_dev->users)
+ samsung_keypad_start(keypad);
+
+ mutex_unlock(&input_dev->mutex);
+
+ return 0;
+}
+
+static const struct dev_pm_ops samsung_keypad_pm_ops = {
+ .suspend = samsung_keypad_suspend,
+ .resume = samsung_keypad_resume,
+};
+#endif
+
+static struct platform_device_id samsung_keypad_driver_ids[] = {
+ {
+ .name = "samsung-keypad",
+ .driver_data = KEYPAD_TYPE_SAMSUNG,
+ }, {
+ .name = "s5pv210-keypad",
+ .driver_data = KEYPAD_TYPE_S5PV210,
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(platform, samsung_keypad_driver_ids);
+
+static struct platform_driver samsung_keypad_driver = {
+ .probe = samsung_keypad_probe,
+ .remove = __devexit_p(samsung_keypad_remove),
+ .driver = {
+ .name = "samsung-keypad",
+ .owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &samsung_keypad_pm_ops,
+#endif
+ },
+ .id_table = samsung_keypad_driver_ids,
+};
+
+static int __init samsung_keypad_init(void)
+{
+ return platform_driver_register(&samsung_keypad_driver);
+}
+module_init(samsung_keypad_init);
+
+static void __exit samsung_keypad_exit(void)
+{
+ platform_driver_unregister(&samsung_keypad_driver);
+}
+module_exit(samsung_keypad_exit);
+
+MODULE_DESCRIPTION("Samsung keypad driver");
+MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
+MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:samsung-keypad");
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index c44b9eafc556..b49e23379723 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -327,6 +327,17 @@ config INPUT_PCF8574
To compile this driver as a module, choose M here: the
module will be called pcf8574_keypad.
+config INPUT_PWM_BEEPER
+ tristate "PWM beeper support"
+ depends on HAVE_PWM
+ help
+ Say Y here to get support for PWM based beeper devices.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the module will be
+ called pwm-beeper.
+
config INPUT_GPIO_ROTARY_ENCODER
tristate "Rotary encoders connected to GPIO pins"
depends on GPIOLIB && GENERIC_GPIO
@@ -390,4 +401,41 @@ config INPUT_PCAP
To compile this driver as a module, choose M here: the
module will be called pcap_keys.
+config INPUT_ADXL34X
+ tristate "Analog Devices ADXL34x Three-Axis Digital Accelerometer"
+ default n
+ help
+ Say Y here if you have a Accelerometer interface using the
+ ADXL345/6 controller, and your board-specific initialization
+ code includes that in its table of devices.
+
+ This driver can use either I2C or SPI communication to the
+ ADXL345/6 controller. Select the appropriate method for
+ your system.
+
+ If unsure, say N (but it's safe to say "Y").
+
+ To compile this driver as a module, choose M here: the
+ module will be called adxl34x.
+
+config INPUT_ADXL34X_I2C
+ tristate "support I2C bus connection"
+ depends on INPUT_ADXL34X && I2C
+ default y
+ help
+ Say Y here if you have ADXL345/6 hooked to an I2C bus.
+
+ To compile this driver as a module, choose M here: the
+ module will be called adxl34x-i2c.
+
+config INPUT_ADXL34X_SPI
+ tristate "support SPI bus connection"
+ depends on INPUT_ADXL34X && SPI
+ default y
+ help
+ Say Y here if you have ADXL345/6 hooked to a SPI bus.
+
+ To compile this driver as a module, choose M here: the
+ module will be called adxl34x-spi.
+
endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 71fe57d8023f..19ccca78fa76 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -8,6 +8,9 @@ obj-$(CONFIG_INPUT_88PM860X_ONKEY) += 88pm860x_onkey.o
obj-$(CONFIG_INPUT_AD714X) += ad714x.o
obj-$(CONFIG_INPUT_AD714X_I2C) += ad714x-i2c.o
obj-$(CONFIG_INPUT_AD714X_SPI) += ad714x-spi.o
+obj-$(CONFIG_INPUT_ADXL34X) += adxl34x.o
+obj-$(CONFIG_INPUT_ADXL34X_I2C) += adxl34x-i2c.o
+obj-$(CONFIG_INPUT_ADXL34X_SPI) += adxl34x-spi.o
obj-$(CONFIG_INPUT_APANEL) += apanel.o
obj-$(CONFIG_INPUT_ATI_REMOTE) += ati_remote.o
obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o
@@ -26,6 +29,7 @@ obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o
obj-$(CONFIG_INPUT_PCF8574) += pcf8574_keypad.o
obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
obj-$(CONFIG_INPUT_POWERMATE) += powermate.o
+obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
obj-$(CONFIG_INPUT_RB532_BUTTON) += rb532_button.o
obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER) += rotary_encoder.o
obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o
diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c
new file mode 100644
index 000000000000..0779724af7e7
--- /dev/null
+++ b/drivers/input/misc/adxl34x-i2c.c
@@ -0,0 +1,163 @@
+/*
+ * ADLX345/346 Three-Axis Digital Accelerometers (I2C Interface)
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Copyright (C) 2009 Michael Hennerich, Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/input.h> /* BUS_I2C */
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include "adxl34x.h"
+
+static int adxl34x_smbus_read(struct device *dev, unsigned char reg)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int adxl34x_smbus_write(struct device *dev,
+ unsigned char reg, unsigned char val)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ return i2c_smbus_write_byte_data(client, reg, val);
+}
+
+static int adxl34x_smbus_read_block(struct device *dev,
+ unsigned char reg, int count,
+ void *buf)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ return i2c_smbus_read_i2c_block_data(client, reg, count, buf);
+}
+
+static int adxl34x_i2c_read_block(struct device *dev,
+ unsigned char reg, int count,
+ void *buf)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ int ret;
+
+ ret = i2c_master_send(client, &reg, 1);
+ if (ret < 0)
+ return ret;
+
+ ret = i2c_master_recv(client, buf, count);
+ if (ret < 0)
+ return ret;
+
+ if (ret != count)
+ return -EIO;
+
+ return 0;
+}
+
+static const struct adxl34x_bus_ops adxl34x_smbus_bops = {
+ .bustype = BUS_I2C,
+ .write = adxl34x_smbus_write,
+ .read = adxl34x_smbus_read,
+ .read_block = adxl34x_smbus_read_block,
+};
+
+static const struct adxl34x_bus_ops adxl34x_i2c_bops = {
+ .bustype = BUS_I2C,
+ .write = adxl34x_smbus_write,
+ .read = adxl34x_smbus_read,
+ .read_block = adxl34x_i2c_read_block,
+};
+
+static int __devinit adxl34x_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct adxl34x *ac;
+ int error;
+
+ error = i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_BYTE_DATA);
+ if (!error) {
+ dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
+ return -EIO;
+ }
+
+ ac = adxl34x_probe(&client->dev, client->irq, false,
+ i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_READ_I2C_BLOCK) ?
+ &adxl34x_smbus_bops : &adxl34x_i2c_bops);
+ if (IS_ERR(ac))
+ return PTR_ERR(ac);
+
+ i2c_set_clientdata(client, ac);
+
+ return 0;
+}
+
+static int __devexit adxl34x_i2c_remove(struct i2c_client *client)
+{
+ struct adxl34x *ac = i2c_get_clientdata(client);
+
+ return adxl34x_remove(ac);
+}
+
+#ifdef CONFIG_PM
+static int adxl34x_i2c_suspend(struct i2c_client *client, pm_message_t message)
+{
+ struct adxl34x *ac = i2c_get_clientdata(client);
+
+ adxl34x_suspend(ac);
+
+ return 0;
+}
+
+static int adxl34x_i2c_resume(struct i2c_client *client)
+{
+ struct adxl34x *ac = i2c_get_clientdata(client);
+
+ adxl34x_resume(ac);
+
+ return 0;
+}
+#else
+# define adxl34x_i2c_suspend NULL
+# define adxl34x_i2c_resume NULL
+#endif
+
+static const struct i2c_device_id adxl34x_id[] = {
+ { "adxl34x", 0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(i2c, adxl34x_id);
+
+static struct i2c_driver adxl34x_driver = {
+ .driver = {
+ .name = "adxl34x",
+ .owner = THIS_MODULE,
+ },
+ .probe = adxl34x_i2c_probe,
+ .remove = __devexit_p(adxl34x_i2c_remove),
+ .suspend = adxl34x_i2c_suspend,
+ .resume = adxl34x_i2c_resume,
+ .id_table = adxl34x_id,
+};
+
+static int __init adxl34x_i2c_init(void)
+{
+ return i2c_add_driver(&adxl34x_driver);
+}
+module_init(adxl34x_i2c_init);
+
+static void __exit adxl34x_i2c_exit(void)
+{
+ i2c_del_driver(&adxl34x_driver);
+}
+module_exit(adxl34x_i2c_exit);
+
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("ADXL345/346 Three-Axis Digital Accelerometer I2C Bus Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/adxl34x-spi.c b/drivers/input/misc/adxl34x-spi.c
new file mode 100644
index 000000000000..782de9e89828
--- /dev/null
+++ b/drivers/input/misc/adxl34x-spi.c
@@ -0,0 +1,145 @@
+/*
+ * ADLX345/346 Three-Axis Digital Accelerometers (SPI Interface)
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Copyright (C) 2009 Michael Hennerich, Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/input.h> /* BUS_SPI */
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+#include <linux/types.h>
+#include "adxl34x.h"
+
+#define MAX_SPI_FREQ_HZ 5000000
+#define MAX_FREQ_NO_FIFODELAY 1500000
+#define ADXL34X_CMD_MULTB (1 << 6)
+#define ADXL34X_CMD_READ (1 << 7)
+#define ADXL34X_WRITECMD(reg) (reg & 0x3F)
+#define ADXL34X_READCMD(reg) (ADXL34X_CMD_READ | (reg & 0x3F))
+#define ADXL34X_READMB_CMD(reg) (ADXL34X_CMD_READ | ADXL34X_CMD_MULTB \
+ | (reg & 0x3F))
+
+static int adxl34x_spi_read(struct device *dev, unsigned char reg)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ unsigned char cmd;
+
+ cmd = ADXL34X_READCMD(reg);
+
+ return spi_w8r8(spi, cmd);
+}
+
+static int adxl34x_spi_write(struct device *dev,
+ unsigned char reg, unsigned char val)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ unsigned char buf[2];
+
+ buf[0] = ADXL34X_WRITECMD(reg);
+ buf[1] = val;
+
+ return spi_write(spi, buf, sizeof(buf));
+}
+
+static int adxl34x_spi_read_block(struct device *dev,
+ unsigned char reg, int count,
+ void *buf)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ ssize_t status;
+
+ reg = ADXL34X_READMB_CMD(reg);
+ status = spi_write_then_read(spi, &reg, 1, buf, count);
+
+ return (status < 0) ? status : 0;
+}
+
+static const struct adxl34x_bus_ops adx134x_spi_bops = {
+ .bustype = BUS_SPI,
+ .write = adxl34x_spi_write,
+ .read = adxl34x_spi_read,
+ .read_block = adxl34x_spi_read_block,
+};
+
+static int __devinit adxl34x_spi_probe(struct spi_device *spi)
+{
+ struct adxl34x *ac;
+
+ /* don't exceed max specified SPI CLK frequency */
+ if (spi->max_speed_hz > MAX_SPI_FREQ_HZ) {
+ dev_err(&spi->dev, "SPI CLK %d Hz too fast\n", spi->max_speed_hz);
+ return -EINVAL;
+ }
+
+ ac = adxl34x_probe(&spi->dev, spi->irq,
+ spi->max_speed_hz > MAX_FREQ_NO_FIFODELAY,
+ &adx134x_spi_bops);
+
+ if (IS_ERR(ac))
+ return PTR_ERR(ac);
+
+ spi_set_drvdata(spi, ac);
+
+ return 0;
+}
+
+static int __devexit adxl34x_spi_remove(struct spi_device *spi)
+{
+ struct adxl34x *ac = dev_get_drvdata(&spi->dev);
+
+ return adxl34x_remove(ac);
+}
+
+#ifdef CONFIG_PM
+static int adxl34x_spi_suspend(struct spi_device *spi, pm_message_t message)
+{
+ struct adxl34x *ac = dev_get_drvdata(&spi->dev);
+
+ adxl34x_suspend(ac);
+
+ return 0;
+}
+
+static int adxl34x_spi_resume(struct spi_device *spi)
+{
+ struct adxl34x *ac = dev_get_drvdata(&spi->dev);
+
+ adxl34x_resume(ac);
+
+ return 0;
+}
+#else
+# define adxl34x_spi_suspend NULL
+# define adxl34x_spi_resume NULL
+#endif
+
+static struct spi_driver adxl34x_driver = {
+ .driver = {
+ .name = "adxl34x",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+ .probe = adxl34x_spi_probe,
+ .remove = __devexit_p(adxl34x_spi_remove),
+ .suspend = adxl34x_spi_suspend,
+ .resume = adxl34x_spi_resume,
+};
+
+static int __init adxl34x_spi_init(void)
+{
+ return spi_register_driver(&adxl34x_driver);
+}
+module_init(adxl34x_spi_init);
+
+static void __exit adxl34x_spi_exit(void)
+{
+ spi_unregister_driver(&adxl34x_driver);
+}
+module_exit(adxl34x_spi_exit);
+
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("ADXL345/346 Three-Axis Digital Accelerometer SPI Bus Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c
new file mode 100644
index 000000000000..e2ca01708080
--- /dev/null
+++ b/drivers/input/misc/adxl34x.c
@@ -0,0 +1,915 @@
+/*
+ * ADXL345/346 Three-Axis Digital Accelerometers
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Copyright (C) 2009 Michael Hennerich, Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <linux/input/adxl34x.h>
+
+#include "adxl34x.h"
+
+/* ADXL345/6 Register Map */
+#define DEVID 0x00 /* R Device ID */
+#define THRESH_TAP 0x1D /* R/W Tap threshold */
+#define OFSX 0x1E /* R/W X-axis offset */
+#define OFSY 0x1F /* R/W Y-axis offset */
+#define OFSZ 0x20 /* R/W Z-axis offset */
+#define DUR 0x21 /* R/W Tap duration */
+#define LATENT 0x22 /* R/W Tap latency */
+#define WINDOW 0x23 /* R/W Tap window */
+#define THRESH_ACT 0x24 /* R/W Activity threshold */
+#define THRESH_INACT 0x25 /* R/W Inactivity threshold */
+#define TIME_INACT 0x26 /* R/W Inactivity time */
+#define ACT_INACT_CTL 0x27 /* R/W Axis enable control for activity and */
+ /* inactivity detection */
+#define THRESH_FF 0x28 /* R/W Free-fall threshold */
+#define TIME_FF 0x29 /* R/W Free-fall time */
+#define TAP_AXES 0x2A /* R/W Axis control for tap/double tap */
+#define ACT_TAP_STATUS 0x2B /* R Source of tap/double tap */
+#define BW_RATE 0x2C /* R/W Data rate and power mode control */
+#define POWER_CTL 0x2D /* R/W Power saving features control */
+#define INT_ENABLE 0x2E /* R/W Interrupt enable control */
+#define INT_MAP 0x2F /* R/W Interrupt mapping control */
+#define INT_SOURCE 0x30 /* R Source of interrupts */
+#define DATA_FORMAT 0x31 /* R/W Data format control */
+#define DATAX0 0x32 /* R X-Axis Data 0 */
+#define DATAX1 0x33 /* R X-Axis Data 1 */
+#define DATAY0 0x34 /* R Y-Axis Data 0 */
+#define DATAY1 0x35 /* R Y-Axis Data 1 */
+#define DATAZ0 0x36 /* R Z-Axis Data 0 */
+#define DATAZ1 0x37 /* R Z-Axis Data 1 */
+#define FIFO_CTL 0x38 /* R/W FIFO control */
+#define FIFO_STATUS 0x39 /* R FIFO status */
+#define TAP_SIGN 0x3A /* R Sign and source for tap/double tap */
+/* Orientation ADXL346 only */
+#define ORIENT_CONF 0x3B /* R/W Orientation configuration */
+#define ORIENT 0x3C /* R Orientation status */
+
+/* DEVIDs */
+#define ID_ADXL345 0xE5
+#define ID_ADXL346 0xE6
+
+/* INT_ENABLE/INT_MAP/INT_SOURCE Bits */
+#define DATA_READY (1 << 7)
+#define SINGLE_TAP (1 << 6)
+#define DOUBLE_TAP (1 << 5)
+#define ACTIVITY (1 << 4)
+#define INACTIVITY (1 << 3)
+#define FREE_FALL (1 << 2)
+#define WATERMARK (1 << 1)
+#define OVERRUN (1 << 0)
+
+/* ACT_INACT_CONTROL Bits */
+#define ACT_ACDC (1 << 7)
+#define ACT_X_EN (1 << 6)
+#define ACT_Y_EN (1 << 5)
+#define ACT_Z_EN (1 << 4)
+#define INACT_ACDC (1 << 3)
+#define INACT_X_EN (1 << 2)
+#define INACT_Y_EN (1 << 1)
+#define INACT_Z_EN (1 << 0)
+
+/* TAP_AXES Bits */
+#define SUPPRESS (1 << 3)
+#define TAP_X_EN (1 << 2)
+#define TAP_Y_EN (1 << 1)
+#define TAP_Z_EN (1 << 0)
+
+/* ACT_TAP_STATUS Bits */
+#define ACT_X_SRC (1 << 6)
+#define ACT_Y_SRC (1 << 5)
+#define ACT_Z_SRC (1 << 4)
+#define ASLEEP (1 << 3)
+#define TAP_X_SRC (1 << 2)
+#define TAP_Y_SRC (1 << 1)
+#define TAP_Z_SRC (1 << 0)
+
+/* BW_RATE Bits */
+#define LOW_POWER (1 << 4)
+#define RATE(x) ((x) & 0xF)
+
+/* POWER_CTL Bits */
+#define PCTL_LINK (1 << 5)
+#define PCTL_AUTO_SLEEP (1 << 4)
+#define PCTL_MEASURE (1 << 3)
+#define PCTL_SLEEP (1 << 2)
+#define PCTL_WAKEUP(x) ((x) & 0x3)
+
+/* DATA_FORMAT Bits */
+#define SELF_TEST (1 << 7)
+#define SPI (1 << 6)
+#define INT_INVERT (1 << 5)
+#define FULL_RES (1 << 3)
+#define JUSTIFY (1 << 2)
+#define RANGE(x) ((x) & 0x3)
+#define RANGE_PM_2g 0
+#define RANGE_PM_4g 1
+#define RANGE_PM_8g 2
+#define RANGE_PM_16g 3
+
+/*
+ * Maximum value our axis may get in full res mode for the input device
+ * (signed 13 bits)
+ */
+#define ADXL_FULLRES_MAX_VAL 4096
+
+/*
+ * Maximum value our axis may get in fixed res mode for the input device
+ * (signed 10 bits)
+ */
+#define ADXL_FIXEDRES_MAX_VAL 512
+
+/* FIFO_CTL Bits */
+#define FIFO_MODE(x) (((x) & 0x3) << 6)
+#define FIFO_BYPASS 0
+#define FIFO_FIFO 1
+#define FIFO_STREAM 2
+#define FIFO_TRIGGER 3
+#define TRIGGER (1 << 5)
+#define SAMPLES(x) ((x) & 0x1F)
+
+/* FIFO_STATUS Bits */
+#define FIFO_TRIG (1 << 7)
+#define ENTRIES(x) ((x) & 0x3F)
+
+/* TAP_SIGN Bits ADXL346 only */
+#define XSIGN (1 << 6)
+#define YSIGN (1 << 5)
+#define ZSIGN (1 << 4)
+#define XTAP (1 << 3)
+#define YTAP (1 << 2)
+#define ZTAP (1 << 1)
+
+/* ORIENT_CONF ADXL346 only */
+#define ORIENT_DEADZONE(x) (((x) & 0x7) << 4)
+#define ORIENT_DIVISOR(x) ((x) & 0x7)
+
+/* ORIENT ADXL346 only */
+#define ADXL346_2D_VALID (1 << 6)
+#define ADXL346_2D_ORIENT(x) (((x) & 0x3) >> 4)
+#define ADXL346_3D_VALID (1 << 3)
+#define ADXL346_3D_ORIENT(x) ((x) & 0x7)
+#define ADXL346_2D_PORTRAIT_POS 0 /* +X */
+#define ADXL346_2D_PORTRAIT_NEG 1 /* -X */
+#define ADXL346_2D_LANDSCAPE_POS 2 /* +Y */
+#define ADXL346_2D_LANDSCAPE_NEG 3 /* -Y */
+
+#define ADXL346_3D_FRONT 3 /* +X */
+#define ADXL346_3D_BACK 4 /* -X */
+#define ADXL346_3D_RIGHT 2 /* +Y */
+#define ADXL346_3D_LEFT 5 /* -Y */
+#define ADXL346_3D_TOP 1 /* +Z */
+#define ADXL346_3D_BOTTOM 6 /* -Z */
+
+#undef ADXL_DEBUG
+
+#define ADXL_X_AXIS 0
+#define ADXL_Y_AXIS 1
+#define ADXL_Z_AXIS 2
+
+#define AC_READ(ac, reg) ((ac)->bops->read((ac)->dev, reg))
+#define AC_WRITE(ac, reg, val) ((ac)->bops->write((ac)->dev, reg, val))
+
+struct axis_triple {
+ int x;
+ int y;
+ int z;
+};
+
+struct adxl34x {
+ struct device *dev;
+ struct input_dev *input;
+ struct mutex mutex; /* reentrant protection for struct */
+ struct adxl34x_platform_data pdata;
+ struct axis_triple swcal;
+ struct axis_triple hwcal;
+ struct axis_triple saved;
+ char phys[32];
+ unsigned orient2d_saved;
+ unsigned orient3d_saved;
+ bool disabled; /* P: mutex */
+ bool opened; /* P: mutex */
+ bool suspended; /* P: mutex */
+ bool fifo_delay;
+ int irq;
+ unsigned model;
+ unsigned int_mask;
+
+ const struct adxl34x_bus_ops *bops;
+};
+
+static const struct adxl34x_platform_data adxl34x_default_init = {
+ .tap_threshold = 35,
+ .tap_duration = 3,
+ .tap_latency = 20,
+ .tap_window = 20,
+ .tap_axis_control = ADXL_TAP_X_EN | ADXL_TAP_Y_EN | ADXL_TAP_Z_EN,
+ .act_axis_control = 0xFF,
+ .activity_threshold = 6,
+ .inactivity_threshold = 4,
+ .inactivity_time = 3,
+ .free_fall_threshold = 8,
+ .free_fall_time = 0x20,
+ .data_rate = 8,
+ .data_range = ADXL_FULL_RES,
+
+ .ev_type = EV_ABS,
+ .ev_code_x = ABS_X, /* EV_REL */
+ .ev_code_y = ABS_Y, /* EV_REL */
+ .ev_code_z = ABS_Z, /* EV_REL */
+
+ .ev_code_tap = {BTN_TOUCH, BTN_TOUCH, BTN_TOUCH}, /* EV_KEY {x,y,z} */
+ .power_mode = ADXL_AUTO_SLEEP | ADXL_LINK,
+ .fifo_mode = FIFO_STREAM,
+ .watermark = 0,
+};
+
+static void adxl34x_get_triple(struct adxl34x *ac, struct axis_triple *axis)
+{
+ short buf[3];
+
+ ac->bops->read_block(ac->dev, DATAX0, DATAZ1 - DATAX0 + 1, buf);
+
+ mutex_lock(&ac->mutex);
+ ac->saved.x = (s16) le16_to_cpu(buf[0]);
+ axis->x = ac->saved.x;
+
+ ac->saved.y = (s16) le16_to_cpu(buf[1]);
+ axis->y = ac->saved.y;
+
+ ac->saved.z = (s16) le16_to_cpu(buf[2]);
+ axis->z = ac->saved.z;
+ mutex_unlock(&ac->mutex);
+}
+
+static void adxl34x_service_ev_fifo(struct adxl34x *ac)
+{
+ struct adxl34x_platform_data *pdata = &ac->pdata;
+ struct axis_triple axis;
+
+ adxl34x_get_triple(ac, &axis);
+
+ input_event(ac->input, pdata->ev_type, pdata->ev_code_x,
+ axis.x - ac->swcal.x);
+ input_event(ac->input, pdata->ev_type, pdata->ev_code_y,
+ axis.y - ac->swcal.y);
+ input_event(ac->input, pdata->ev_type, pdata->ev_code_z,
+ axis.z - ac->swcal.z);
+}
+
+static void adxl34x_report_key_single(struct input_dev *input, int key)
+{
+ input_report_key(input, key, true);
+ input_sync(input);
+ input_report_key(input, key, false);
+}
+
+static void adxl34x_send_key_events(struct adxl34x *ac,
+ struct adxl34x_platform_data *pdata, int status, int press)
+{
+ int i;
+
+ for (i = ADXL_X_AXIS; i <= ADXL_Z_AXIS; i++) {
+ if (status & (1 << (ADXL_Z_AXIS - i)))
+ input_report_key(ac->input,
+ pdata->ev_code_tap[i], press);
+ }
+}
+
+static void adxl34x_do_tap(struct adxl34x *ac,
+ struct adxl34x_platform_data *pdata, int status)
+{
+ adxl34x_send_key_events(ac, pdata, status, true);
+ input_sync(ac->input);
+ adxl34x_send_key_events(ac, pdata, status, false);
+}
+
+static irqreturn_t adxl34x_irq(int irq, void *handle)
+{
+ struct adxl34x *ac = handle;
+ struct adxl34x_platform_data *pdata = &ac->pdata;
+ int int_stat, tap_stat, samples, orient, orient_code;
+
+ /*
+ * ACT_TAP_STATUS should be read before clearing the interrupt
+ * Avoid reading ACT_TAP_STATUS in case TAP detection is disabled
+ */
+
+ if (pdata->tap_axis_control & (TAP_X_EN | TAP_Y_EN | TAP_Z_EN))
+ tap_stat = AC_READ(ac, ACT_TAP_STATUS);
+ else
+ tap_stat = 0;
+
+ int_stat = AC_READ(ac, INT_SOURCE);
+
+ if (int_stat & FREE_FALL)
+ adxl34x_report_key_single(ac->input, pdata->ev_code_ff);
+
+ if (int_stat & OVERRUN)
+ dev_dbg(ac->dev, "OVERRUN\n");
+
+ if (int_stat & (SINGLE_TAP | DOUBLE_TAP)) {
+ adxl34x_do_tap(ac, pdata, tap_stat);
+
+ if (int_stat & DOUBLE_TAP)
+ adxl34x_do_tap(ac, pdata, tap_stat);
+ }
+
+ if (pdata->ev_code_act_inactivity) {
+ if (int_stat & ACTIVITY)
+ input_report_key(ac->input,
+ pdata->ev_code_act_inactivity, 1);
+ if (int_stat & INACTIVITY)
+ input_report_key(ac->input,
+ pdata->ev_code_act_inactivity, 0);
+ }
+
+ /*
+ * ORIENTATION SENSING ADXL346 only
+ */
+ if (pdata->orientation_enable) {
+ orient = AC_READ(ac, ORIENT);
+ if ((pdata->orientation_enable & ADXL_EN_ORIENTATION_2D) &&
+ (orient & ADXL346_2D_VALID)) {
+
+ orient_code = ADXL346_2D_ORIENT(orient);
+ /* Report orientation only when it changes */
+ if (ac->orient2d_saved != orient_code) {
+ ac->orient2d_saved = orient_code;
+ adxl34x_report_key_single(ac->input,
+ pdata->ev_codes_orient_2d[orient_code]);
+ }
+ }
+
+ if ((pdata->orientation_enable & ADXL_EN_ORIENTATION_3D) &&
+ (orient & ADXL346_3D_VALID)) {
+
+ orient_code = ADXL346_3D_ORIENT(orient) - 1;
+ /* Report orientation only when it changes */
+ if (ac->orient3d_saved != orient_code) {
+ ac->orient3d_saved = orient_code;
+ adxl34x_report_key_single(ac->input,
+ pdata->ev_codes_orient_3d[orient_code]);
+ }
+ }
+ }
+
+ if (int_stat & (DATA_READY | WATERMARK)) {
+
+ if (pdata->fifo_mode)
+ samples = ENTRIES(AC_READ(ac, FIFO_STATUS)) + 1;
+ else
+ samples = 1;
+
+ for (; samples > 0; samples--) {
+ adxl34x_service_ev_fifo(ac);
+ /*
+ * To ensure that the FIFO has
+ * completely popped, there must be at least 5 us between
+ * the end of reading the data registers, signified by the
+ * transition to register 0x38 from 0x37 or the CS pin
+ * going high, and the start of new reads of the FIFO or
+ * reading the FIFO_STATUS register. For SPI operation at
+ * 1.5 MHz or lower, the register addressing portion of the
+ * transmission is sufficient delay to ensure the FIFO has
+ * completely popped. It is necessary for SPI operation
+ * greater than 1.5 MHz to de-assert the CS pin to ensure a
+ * total of 5 us, which is at most 3.4 us at 5 MHz
+ * operation.
+ */
+ if (ac->fifo_delay && (samples > 1))
+ udelay(3);
+ }
+ }
+
+ input_sync(ac->input);
+
+ return IRQ_HANDLED;
+}
+
+static void __adxl34x_disable(struct adxl34x *ac)
+{
+ /*
+ * A '0' places the ADXL34x into standby mode
+ * with minimum power consumption.
+ */
+ AC_WRITE(ac, POWER_CTL, 0);
+}
+
+static void __adxl34x_enable(struct adxl34x *ac)
+{
+ AC_WRITE(ac, POWER_CTL, ac->pdata.power_mode | PCTL_MEASURE);
+}
+
+void adxl34x_suspend(struct adxl34x *ac)
+{
+ mutex_lock(&ac->mutex);
+
+ if (!ac->suspended && !ac->disabled && ac->opened)
+ __adxl34x_disable(ac);
+
+ ac->suspended = true;
+
+ mutex_unlock(&ac->mutex);
+}
+EXPORT_SYMBOL_GPL(adxl34x_suspend);
+
+void adxl34x_resume(struct adxl34x *ac)
+{
+ mutex_lock(&ac->mutex);
+
+ if (ac->suspended && !ac->disabled && ac->opened)
+ __adxl34x_enable(ac);
+
+ ac->suspended = false;
+
+ mutex_unlock(&ac->mutex);
+}
+EXPORT_SYMBOL_GPL(adxl34x_resume);
+
+static ssize_t adxl34x_disable_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%u\n", ac->disabled);
+}
+
+static ssize_t adxl34x_disable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+ unsigned long val;
+ int error;
+
+ error = strict_strtoul(buf, 10, &val);
+ if (error)
+ return error;
+
+ mutex_lock(&ac->mutex);
+
+ if (!ac->suspended && ac->opened) {
+ if (val) {
+ if (!ac->disabled)
+ __adxl34x_disable(ac);
+ } else {
+ if (ac->disabled)
+ __adxl34x_enable(ac);
+ }
+ }
+
+ ac->disabled = !!val;
+
+ mutex_unlock(&ac->mutex);
+
+ return count;
+}
+
+static DEVICE_ATTR(disable, 0664, adxl34x_disable_show, adxl34x_disable_store);
+
+static ssize_t adxl34x_calibrate_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+ ssize_t count;
+
+ mutex_lock(&ac->mutex);
+ count = sprintf(buf, "%d,%d,%d\n",
+ ac->hwcal.x * 4 + ac->swcal.x,
+ ac->hwcal.y * 4 + ac->swcal.y,
+ ac->hwcal.z * 4 + ac->swcal.z);
+ mutex_unlock(&ac->mutex);
+
+ return count;
+}
+
+static ssize_t adxl34x_calibrate_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+
+ /*
+ * Hardware offset calibration has a resolution of 15.6 mg/LSB.
+ * We use HW calibration and handle the remaining bits in SW. (4mg/LSB)
+ */
+
+ mutex_lock(&ac->mutex);
+ ac->hwcal.x -= (ac->saved.x / 4);
+ ac->swcal.x = ac->saved.x % 4;
+
+ ac->hwcal.y -= (ac->saved.y / 4);
+ ac->swcal.y = ac->saved.y % 4;
+
+ ac->hwcal.z -= (ac->saved.z / 4);
+ ac->swcal.z = ac->saved.z % 4;
+
+ AC_WRITE(ac, OFSX, (s8) ac->hwcal.x);
+ AC_WRITE(ac, OFSY, (s8) ac->hwcal.y);
+ AC_WRITE(ac, OFSZ, (s8) ac->hwcal.z);
+ mutex_unlock(&ac->mutex);
+
+ return count;
+}
+
+static DEVICE_ATTR(calibrate, 0664,
+ adxl34x_calibrate_show, adxl34x_calibrate_store);
+
+static ssize_t adxl34x_rate_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%u\n", RATE(ac->pdata.data_rate));
+}
+
+static ssize_t adxl34x_rate_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+ unsigned long val;
+ int error;
+
+ error = strict_strtoul(buf, 10, &val);
+ if (error)
+ return error;
+
+ mutex_lock(&ac->mutex);
+
+ ac->pdata.data_rate = RATE(val);
+ AC_WRITE(ac, BW_RATE,
+ ac->pdata.data_rate |
+ (ac->pdata.low_power_mode ? LOW_POWER : 0));
+
+ mutex_unlock(&ac->mutex);
+
+ return count;
+}
+
+static DEVICE_ATTR(rate, 0664, adxl34x_rate_show, adxl34x_rate_store);
+
+static ssize_t adxl34x_autosleep_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%u\n",
+ ac->pdata.power_mode & (PCTL_AUTO_SLEEP | PCTL_LINK) ? 1 : 0);
+}
+
+static ssize_t adxl34x_autosleep_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+ unsigned long val;
+ int error;
+
+ error = strict_strtoul(buf, 10, &val);
+ if (error)
+ return error;
+
+ mutex_lock(&ac->mutex);
+
+ if (val)
+ ac->pdata.power_mode |= (PCTL_AUTO_SLEEP | PCTL_LINK);
+ else
+ ac->pdata.power_mode &= ~(PCTL_AUTO_SLEEP | PCTL_LINK);
+
+ if (!ac->disabled && !ac->suspended && ac->opened)
+ AC_WRITE(ac, POWER_CTL, ac->pdata.power_mode | PCTL_MEASURE);
+
+ mutex_unlock(&ac->mutex);
+
+ return count;
+}
+
+static DEVICE_ATTR(autosleep, 0664,
+ adxl34x_autosleep_show, adxl34x_autosleep_store);
+
+static ssize_t adxl34x_position_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+ ssize_t count;
+
+ mutex_lock(&ac->mutex);
+ count = sprintf(buf, "(%d, %d, %d)\n",
+ ac->saved.x, ac->saved.y, ac->saved.z);
+ mutex_unlock(&ac->mutex);
+
+ return count;
+}
+
+static DEVICE_ATTR(position, S_IRUGO, adxl34x_position_show, NULL);
+
+#ifdef ADXL_DEBUG
+static ssize_t adxl34x_write_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct adxl34x *ac = dev_get_drvdata(dev);
+ unsigned long val;
+ int error;
+
+ /*
+ * This allows basic ADXL register write access for debug purposes.
+ */
+ error = strict_strtoul(buf, 16, &val);
+ if (error)
+ return error;
+
+ mutex_lock(&ac->mutex);
+ AC_WRITE(ac, val >> 8, val & 0xFF);
+ mutex_unlock(&ac->mutex);
+
+ return count;
+}
+
+static DEVICE_ATTR(write, 0664, NULL, adxl34x_write_store);
+#endif
+
+static struct attribute *adxl34x_attributes[] = {
+ &dev_attr_disable.attr,
+ &dev_attr_calibrate.attr,
+ &dev_attr_rate.attr,
+ &dev_attr_autosleep.attr,
+ &dev_attr_position.attr,
+#ifdef ADXL_DEBUG
+ &dev_attr_write.attr,
+#endif
+ NULL
+};
+
+static const struct attribute_group adxl34x_attr_group = {
+ .attrs = adxl34x_attributes,
+};
+
+static int adxl34x_input_open(struct input_dev *input)
+{
+ struct adxl34x *ac = input_get_drvdata(input);
+
+ mutex_lock(&ac->mutex);
+
+ if (!ac->suspended && !ac->disabled)
+ __adxl34x_enable(ac);
+
+ ac->opened = true;
+
+ mutex_unlock(&ac->mutex);
+
+ return 0;
+}
+
+static void adxl34x_input_close(struct input_dev *input)
+{
+ struct adxl34x *ac = input_get_drvdata(input);
+
+ mutex_lock(&ac->mutex);
+
+ if (!ac->suspended && !ac->disabled)
+ __adxl34x_disable(ac);
+
+ ac->opened = false;
+
+ mutex_unlock(&ac->mutex);
+}
+
+struct adxl34x *adxl34x_probe(struct device *dev, int irq,
+ bool fifo_delay_default,
+ const struct adxl34x_bus_ops *bops)
+{
+ struct adxl34x *ac;
+ struct input_dev *input_dev;
+ const struct adxl34x_platform_data *pdata;
+ int err, range, i;
+ unsigned char revid;
+
+ if (!irq) {
+ dev_err(dev, "no IRQ?\n");
+ err = -ENODEV;
+ goto err_out;
+ }
+
+ ac = kzalloc(sizeof(*ac), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!ac || !input_dev) {
+ err = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ ac->fifo_delay = fifo_delay_default;
+
+ pdata = dev->platform_data;
+ if (!pdata) {
+ dev_dbg(dev,
+ "No platfrom data: Using default initialization\n");
+ pdata = &adxl34x_default_init;
+ }
+
+ ac->pdata = *pdata;
+ pdata = &ac->pdata;
+
+ ac->input = input_dev;
+ ac->disabled = true;
+ ac->dev = dev;
+ ac->irq = irq;
+ ac->bops = bops;
+
+ mutex_init(&ac->mutex);
+
+ input_dev->name = "ADXL34x accelerometer";
+ revid = ac->bops->read(dev, DEVID);
+
+ switch (revid) {
+ case ID_ADXL345:
+ ac->model = 345;
+ break;
+ case ID_ADXL346:
+ ac->model = 346;
+ break;
+ default:
+ dev_err(dev, "Failed to probe %s\n", input_dev->name);
+ err = -ENODEV;
+ goto err_free_mem;
+ }
+
+ snprintf(ac->phys, sizeof(ac->phys), "%s/input0", dev_name(dev));
+
+ input_dev->phys = ac->phys;
+ input_dev->dev.parent = dev;
+ input_dev->id.product = ac->model;
+ input_dev->id.bustype = bops->bustype;
+ input_dev->open = adxl34x_input_open;
+ input_dev->close = adxl34x_input_close;
+
+ input_set_drvdata(input_dev, ac);
+
+ __set_bit(ac->pdata.ev_type, input_dev->evbit);
+
+ if (ac->pdata.ev_type == EV_REL) {
+ __set_bit(REL_X, input_dev->relbit);
+ __set_bit(REL_Y, input_dev->relbit);
+ __set_bit(REL_Z, input_dev->relbit);
+ } else {
+ /* EV_ABS */
+ __set_bit(ABS_X, input_dev->absbit);
+ __set_bit(ABS_Y, input_dev->absbit);
+ __set_bit(ABS_Z, input_dev->absbit);
+
+ if (pdata->data_range & FULL_RES)
+ range = ADXL_FULLRES_MAX_VAL; /* Signed 13-bit */
+ else
+ range = ADXL_FIXEDRES_MAX_VAL; /* Signed 10-bit */
+
+ input_set_abs_params(input_dev, ABS_X, -range, range, 3, 3);
+ input_set_abs_params(input_dev, ABS_Y, -range, range, 3, 3);
+ input_set_abs_params(input_dev, ABS_Z, -range, range, 3, 3);
+ }
+
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(pdata->ev_code_tap[ADXL_X_AXIS], input_dev->keybit);
+ __set_bit(pdata->ev_code_tap[ADXL_Y_AXIS], input_dev->keybit);
+ __set_bit(pdata->ev_code_tap[ADXL_Z_AXIS], input_dev->keybit);
+
+ if (pdata->ev_code_ff) {
+ ac->int_mask = FREE_FALL;
+ __set_bit(pdata->ev_code_ff, input_dev->keybit);
+ }
+
+ if (pdata->ev_code_act_inactivity)
+ __set_bit(pdata->ev_code_act_inactivity, input_dev->keybit);
+
+ ac->int_mask |= ACTIVITY | INACTIVITY;
+
+ if (pdata->watermark) {
+ ac->int_mask |= WATERMARK;
+ if (!FIFO_MODE(pdata->fifo_mode))
+ ac->pdata.fifo_mode |= FIFO_STREAM;
+ } else {
+ ac->int_mask |= DATA_READY;
+ }
+
+ if (pdata->tap_axis_control & (TAP_X_EN | TAP_Y_EN | TAP_Z_EN))
+ ac->int_mask |= SINGLE_TAP | DOUBLE_TAP;
+
+ if (FIFO_MODE(pdata->fifo_mode) == FIFO_BYPASS)
+ ac->fifo_delay = false;
+
+ ac->bops->write(dev, POWER_CTL, 0);
+
+ err = request_threaded_irq(ac->irq, NULL, adxl34x_irq,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ dev_name(dev), ac);
+ if (err) {
+ dev_err(dev, "irq %d busy?\n", ac->irq);
+ goto err_free_mem;
+ }
+
+ err = sysfs_create_group(&dev->kobj, &adxl34x_attr_group);
+ if (err)
+ goto err_free_irq;
+
+ err = input_register_device(input_dev);
+ if (err)
+ goto err_remove_attr;
+
+ AC_WRITE(ac, THRESH_TAP, pdata->tap_threshold);
+ AC_WRITE(ac, OFSX, pdata->x_axis_offset);
+ ac->hwcal.x = pdata->x_axis_offset;
+ AC_WRITE(ac, OFSY, pdata->y_axis_offset);
+ ac->hwcal.y = pdata->y_axis_offset;
+ AC_WRITE(ac, OFSZ, pdata->z_axis_offset);
+ ac->hwcal.z = pdata->z_axis_offset;
+ AC_WRITE(ac, THRESH_TAP, pdata->tap_threshold);
+ AC_WRITE(ac, DUR, pdata->tap_duration);
+ AC_WRITE(ac, LATENT, pdata->tap_latency);
+ AC_WRITE(ac, WINDOW, pdata->tap_window);
+ AC_WRITE(ac, THRESH_ACT, pdata->activity_threshold);
+ AC_WRITE(ac, THRESH_INACT, pdata->inactivity_threshold);
+ AC_WRITE(ac, TIME_INACT, pdata->inactivity_time);
+ AC_WRITE(ac, THRESH_FF, pdata->free_fall_threshold);
+ AC_WRITE(ac, TIME_FF, pdata->free_fall_time);
+ AC_WRITE(ac, TAP_AXES, pdata->tap_axis_control);
+ AC_WRITE(ac, ACT_INACT_CTL, pdata->act_axis_control);
+ AC_WRITE(ac, BW_RATE, RATE(ac->pdata.data_rate) |
+ (pdata->low_power_mode ? LOW_POWER : 0));
+ AC_WRITE(ac, DATA_FORMAT, pdata->data_range);
+ AC_WRITE(ac, FIFO_CTL, FIFO_MODE(pdata->fifo_mode) |
+ SAMPLES(pdata->watermark));
+
+ if (pdata->use_int2) {
+ /* Map all INTs to INT2 */
+ AC_WRITE(ac, INT_MAP, ac->int_mask | OVERRUN);
+ } else {
+ /* Map all INTs to INT1 */
+ AC_WRITE(ac, INT_MAP, 0);
+ }
+
+ if (ac->model == 346 && ac->pdata.orientation_enable) {
+ AC_WRITE(ac, ORIENT_CONF,
+ ORIENT_DEADZONE(ac->pdata.deadzone_angle) |
+ ORIENT_DIVISOR(ac->pdata.divisor_length));
+
+ ac->orient2d_saved = 1234;
+ ac->orient3d_saved = 1234;
+
+ if (pdata->orientation_enable & ADXL_EN_ORIENTATION_3D)
+ for (i = 0; i < ARRAY_SIZE(pdata->ev_codes_orient_3d); i++)
+ __set_bit(pdata->ev_codes_orient_3d[i],
+ input_dev->keybit);
+
+ if (pdata->orientation_enable & ADXL_EN_ORIENTATION_2D)
+ for (i = 0; i < ARRAY_SIZE(pdata->ev_codes_orient_2d); i++)
+ __set_bit(pdata->ev_codes_orient_2d[i],
+ input_dev->keybit);
+ } else {
+ ac->pdata.orientation_enable = 0;
+ }
+
+ AC_WRITE(ac, INT_ENABLE, ac->int_mask | OVERRUN);
+
+ ac->pdata.power_mode &= (PCTL_AUTO_SLEEP | PCTL_LINK);
+
+ return ac;
+
+ err_remove_attr:
+ sysfs_remove_group(&dev->kobj, &adxl34x_attr_group);
+ err_free_irq:
+ free_irq(ac->irq, ac);
+ err_free_mem:
+ input_free_device(input_dev);
+ kfree(ac);
+ err_out:
+ return ERR_PTR(err);
+}
+EXPORT_SYMBOL_GPL(adxl34x_probe);
+
+int adxl34x_remove(struct adxl34x *ac)
+{
+ sysfs_remove_group(&ac->dev->kobj, &adxl34x_attr_group);
+ free_irq(ac->irq, ac);
+ input_unregister_device(ac->input);
+ dev_dbg(ac->dev, "unregistered accelerometer\n");
+ kfree(ac);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(adxl34x_remove);
+
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("ADXL345/346 Three-Axis Digital Accelerometer Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/adxl34x.h b/drivers/input/misc/adxl34x.h
new file mode 100644
index 000000000000..bbbc80fda164
--- /dev/null
+++ b/drivers/input/misc/adxl34x.h
@@ -0,0 +1,30 @@
+/*
+ * ADXL345/346 Three-Axis Digital Accelerometers (I2C/SPI Interface)
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Copyright (C) 2009 Michael Hennerich, Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _ADXL34X_H_
+#define _ADXL34X_H_
+
+struct device;
+struct adxl34x;
+
+struct adxl34x_bus_ops {
+ u16 bustype;
+ int (*read)(struct device *, unsigned char);
+ int (*read_block)(struct device *, unsigned char, int, void *);
+ int (*write)(struct device *, unsigned char, unsigned char);
+};
+
+void adxl34x_suspend(struct adxl34x *ac);
+void adxl34x_resume(struct adxl34x *ac);
+struct adxl34x *adxl34x_probe(struct device *dev, int irq,
+ bool fifo_delay_default,
+ const struct adxl34x_bus_ops *bops);
+int adxl34x_remove(struct adxl34x *ac);
+
+#endif
diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index dfaa9a045ed8..601f7372f9c4 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c
@@ -21,6 +21,8 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@@ -60,12 +62,11 @@ static acpi_status acpi_atlas_button_handler(u32 function,
input_report_key(input_dev, atlas_keymap[code], key_down);
input_sync(input_dev);
- status = 0;
+ status = AE_OK;
} else {
- printk(KERN_WARNING "atlas: shrugged on unexpected function"
- ":function=%x,address=%lx,value=%x\n",
+ pr_warn("shrugged on unexpected function: function=%x,address=%lx,value=%x\n",
function, (unsigned long)address, (u32)*value);
- status = -EINVAL;
+ status = AE_BAD_PARAMETER;
}
return status;
@@ -79,7 +80,7 @@ static int atlas_acpi_button_add(struct acpi_device *device)
input_dev = input_allocate_device();
if (!input_dev) {
- printk(KERN_ERR "atlas: unable to allocate input device\n");
+ pr_err("unable to allocate input device\n");
return -ENOMEM;
}
@@ -102,7 +103,7 @@ static int atlas_acpi_button_add(struct acpi_device *device)
err = input_register_device(input_dev);
if (err) {
- printk(KERN_ERR "atlas: couldn't register input device\n");
+ pr_err("couldn't register input device\n");
input_free_device(input_dev);
return err;
}
@@ -112,12 +113,12 @@ static int atlas_acpi_button_add(struct acpi_device *device)
0x81, &acpi_atlas_button_handler,
&acpi_atlas_button_setup, device);
if (ACPI_FAILURE(status)) {
- printk(KERN_ERR "Atlas: Error installing addr spc handler\n");
+ pr_err("error installing addr spc handler\n");
input_unregister_device(input_dev);
- status = -EINVAL;
+ err = -EINVAL;
}
- return status;
+ return err;
}
static int atlas_acpi_button_remove(struct acpi_device *device, int type)
@@ -126,14 +127,12 @@ static int atlas_acpi_button_remove(struct acpi_device *device, int type)
status = acpi_remove_address_space_handler(device->handle,
0x81, &acpi_atlas_button_handler);
- if (ACPI_FAILURE(status)) {
- printk(KERN_ERR "Atlas: Error removing addr spc handler\n");
- status = -EINVAL;
- }
+ if (ACPI_FAILURE(status))
+ pr_err("error removing addr spc handler\n");
input_unregister_device(input_dev);
- return status;
+ return 0;
}
static const struct acpi_device_id atlas_device_ids[] = {
@@ -145,6 +144,7 @@ MODULE_DEVICE_TABLE(acpi, atlas_device_ids);
static struct acpi_driver atlas_acpi_driver = {
.name = ACPI_ATLAS_NAME,
.class = ACPI_ATLAS_CLASS,
+ .owner = THIS_MODULE,
.ids = atlas_device_ids,
.ops = {
.add = atlas_acpi_button_add,
@@ -154,18 +154,10 @@ static struct acpi_driver atlas_acpi_driver = {
static int __init atlas_acpi_init(void)
{
- int result;
-
if (acpi_disabled)
return -ENODEV;
- result = acpi_bus_register_driver(&atlas_acpi_driver);
- if (result < 0) {
- printk(KERN_ERR "Atlas ACPI: Unable to register driver\n");
- return -ENODEV;
- }
-
- return 0;
+ return acpi_bus_register_driver(&atlas_acpi_driver);
}
static void __exit atlas_acpi_exit(void)
diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c
new file mode 100644
index 000000000000..57c294f07198
--- /dev/null
+++ b/drivers/input/misc/pwm-beeper.c
@@ -0,0 +1,199 @@
+/*
+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ * PWM beeper driver
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/pwm.h>
+#include <linux/slab.h>
+
+struct pwm_beeper {
+ struct input_dev *input;
+ struct pwm_device *pwm;
+ unsigned long period;
+};
+
+#define HZ_TO_NANOSECONDS(x) (1000000000UL/(x))
+
+static int pwm_beeper_event(struct input_dev *input,
+ unsigned int type, unsigned int code, int value)
+{
+ int ret = 0;
+ struct pwm_beeper *beeper = input_get_drvdata(input);
+ unsigned long period;
+
+ if (type != EV_SND || value < 0)
+ return -EINVAL;
+
+ switch (code) {
+ case SND_BELL:
+ value = value ? 1000 : 0;
+ break;
+ case SND_TONE:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (value == 0) {
+ pwm_config(beeper->pwm, 0, 0);
+ pwm_disable(beeper->pwm);
+ } else {
+ period = HZ_TO_NANOSECONDS(value);
+ ret = pwm_config(beeper->pwm, period / 2, period);
+ if (ret)
+ return ret;
+ ret = pwm_enable(beeper->pwm);
+ if (ret)
+ return ret;
+ beeper->period = period;
+ }
+
+ return 0;
+}
+
+static int __devinit pwm_beeper_probe(struct platform_device *pdev)
+{
+ unsigned long pwm_id = (unsigned long)pdev->dev.platform_data;
+ struct pwm_beeper *beeper;
+ int error;
+
+ beeper = kzalloc(sizeof(*beeper), GFP_KERNEL);
+ if (!beeper)
+ return -ENOMEM;
+
+ beeper->pwm = pwm_request(pwm_id, "pwm beeper");
+
+ if (IS_ERR(beeper->pwm)) {
+ error = PTR_ERR(beeper->pwm);
+ dev_err(&pdev->dev, "Failed to request pwm device: %d\n", error);
+ goto err_free;
+ }
+
+ beeper->input = input_allocate_device();
+ if (!beeper->input) {
+ dev_err(&pdev->dev, "Failed to allocate input device\n");
+ error = -ENOMEM;
+ goto err_pwm_free;
+ }
+ beeper->input->dev.parent = &pdev->dev;
+
+ beeper->input->name = "pwm-beeper";
+ beeper->input->phys = "pwm/input0";
+ beeper->input->id.bustype = BUS_HOST;
+ beeper->input->id.vendor = 0x001f;
+ beeper->input->id.product = 0x0001;
+ beeper->input->id.version = 0x0100;
+
+ beeper->input->evbit[0] = BIT(EV_SND);
+ beeper->input->sndbit[0] = BIT(SND_TONE) | BIT(SND_BELL);
+
+ beeper->input->event = pwm_beeper_event;
+
+ input_set_drvdata(beeper->input, beeper);
+
+ error = input_register_device(beeper->input);
+ if (error) {
+ dev_err(&pdev->dev, "Failed to register input device: %d\n", error);
+ goto err_input_free;
+ }
+
+ platform_set_drvdata(pdev, beeper);
+
+ return 0;
+
+err_input_free:
+ input_free_device(beeper->input);
+err_pwm_free:
+ pwm_free(beeper->pwm);
+err_free:
+ kfree(beeper);
+
+ return error;
+}
+
+static int __devexit pwm_beeper_remove(struct platform_device *pdev)
+{
+ struct pwm_beeper *beeper = platform_get_drvdata(pdev);
+
+ platform_set_drvdata(pdev, NULL);
+ input_unregister_device(beeper->input);
+
+ pwm_disable(beeper->pwm);
+ pwm_free(beeper->pwm);
+
+ kfree(beeper);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int pwm_beeper_suspend(struct device *dev)
+{
+ struct pwm_beeper *beeper = dev_get_drvdata(dev);
+
+ if (beeper->period)
+ pwm_disable(beeper->pwm);
+
+ return 0;
+}
+
+static int pwm_beeper_resume(struct device *dev)
+{
+ struct pwm_beeper *beeper = dev_get_drvdata(dev);
+
+ if (beeper->period) {
+ pwm_config(beeper->pwm, beeper->period / 2, beeper->period);
+ pwm_enable(beeper->pwm);
+ }
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(pwm_beeper_pm_ops,
+ pwm_beeper_suspend, pwm_beeper_resume);
+
+#define PWM_BEEPER_PM_OPS (&pwm_beeper_pm_ops)
+#else
+#define PWM_BEEPER_PM_OPS NULL
+#endif
+
+static struct platform_driver pwm_beeper_driver = {
+ .probe = pwm_beeper_probe,
+ .remove = __devexit_p(pwm_beeper_remove),
+ .driver = {
+ .name = "pwm-beeper",
+ .owner = THIS_MODULE,
+ .pm = PWM_BEEPER_PM_OPS,
+ },
+};
+
+static int __init pwm_beeper_init(void)
+{
+ return platform_driver_register(&pwm_beeper_driver);
+}
+module_init(pwm_beeper_init);
+
+static void __exit pwm_beeper_exit(void)
+{
+ platform_driver_unregister(&pwm_beeper_driver);
+}
+module_exit(pwm_beeper_exit);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("PWM beeper driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pwm-beeper");
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
index e9069b87fde2..f16972bddca4 100644
--- a/drivers/input/misc/twl4030-pwrbutton.c
+++ b/drivers/input/misc/twl4030-pwrbutton.c
@@ -52,7 +52,7 @@ static irqreturn_t powerbutton_irq(int irq, void *_pwr)
return IRQ_HANDLED;
}
-static int __devinit twl4030_pwrbutton_probe(struct platform_device *pdev)
+static int __init twl4030_pwrbutton_probe(struct platform_device *pdev)
{
struct input_dev *pwr;
int irq = platform_get_irq(pdev, 0);
@@ -95,7 +95,7 @@ free_input_dev:
return err;
}
-static int __devexit twl4030_pwrbutton_remove(struct platform_device *pdev)
+static int __exit twl4030_pwrbutton_remove(struct platform_device *pdev)
{
struct input_dev *pwr = platform_get_drvdata(pdev);
int irq = platform_get_irq(pdev, 0);
@@ -106,9 +106,8 @@ static int __devexit twl4030_pwrbutton_remove(struct platform_device *pdev)
return 0;
}
-struct platform_driver twl4030_pwrbutton_driver = {
- .probe = twl4030_pwrbutton_probe,
- .remove = __devexit_p(twl4030_pwrbutton_remove),
+static struct platform_driver twl4030_pwrbutton_driver = {
+ .remove = __exit_p(twl4030_pwrbutton_remove),
.driver = {
.name = "twl4030_pwrbutton",
.owner = THIS_MODULE,
@@ -117,7 +116,8 @@ struct platform_driver twl4030_pwrbutton_driver = {
static int __init twl4030_pwrbutton_init(void)
{
- return platform_driver_register(&twl4030_pwrbutton_driver);
+ return platform_driver_probe(&twl4030_pwrbutton_driver,
+ twl4030_pwrbutton_probe);
}
module_init(twl4030_pwrbutton_init);
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 4dac8b79fcd4..12501de0c5cd 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -1347,7 +1347,7 @@ static int __init wb_module_init(void)
err = map_bios();
if (err)
- return err;
+ goto err_free_keymap;
err = platform_driver_register(&wistron_driver);
if (err)
@@ -1371,6 +1371,8 @@ static int __init wb_module_init(void)
platform_driver_unregister(&wistron_driver);
err_unmap_bios:
unmap_bios();
+ err_free_keymap:
+ kfree(keymap);
return err;
}
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 6dedded27222..ea67c49146a3 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -312,6 +312,8 @@ static void setup_events_to_report(struct input_dev *input_dev,
__set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
__set_bit(BTN_TOOL_QUADTAP, input_dev->keybit);
__set_bit(BTN_LEFT, input_dev->keybit);
+
+ input_set_events_per_packet(input_dev, 60);
}
/* report button data as logical button state */
@@ -580,23 +582,30 @@ exit:
*/
static int bcm5974_start_traffic(struct bcm5974 *dev)
{
- if (bcm5974_wellspring_mode(dev, true)) {
+ int error;
+
+ error = bcm5974_wellspring_mode(dev, true);
+ if (error) {
dprintk(1, "bcm5974: mode switch failed\n");
- goto error;
+ goto err_out;
}
- if (usb_submit_urb(dev->bt_urb, GFP_KERNEL))
- goto error;
+ error = usb_submit_urb(dev->bt_urb, GFP_KERNEL);
+ if (error)
+ goto err_reset_mode;
- if (usb_submit_urb(dev->tp_urb, GFP_KERNEL))
+ error = usb_submit_urb(dev->tp_urb, GFP_KERNEL);
+ if (error)
goto err_kill_bt;
return 0;
err_kill_bt:
usb_kill_urb(dev->bt_urb);
-error:
- return -EIO;
+err_reset_mode:
+ bcm5974_wellspring_mode(dev, false);
+err_out:
+ return error;
}
static void bcm5974_pause_traffic(struct bcm5974 *dev)
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 705589dc9ac5..8c324403b9f2 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -502,7 +502,9 @@ static void synaptics_process_packet(struct psmouse *psmouse)
}
input_report_abs(dev, ABS_PRESSURE, hw.z);
- input_report_abs(dev, ABS_TOOL_WIDTH, finger_width);
+ if (SYN_CAP_PALMDETECT(priv->capabilities))
+ input_report_abs(dev, ABS_TOOL_WIDTH, finger_width);
+
input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1);
input_report_key(dev, BTN_LEFT, hw.left);
input_report_key(dev, BTN_RIGHT, hw.right);
@@ -602,7 +604,9 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
input_set_abs_params(dev, ABS_Y,
YMIN_NOMINAL, priv->y_max ?: YMAX_NOMINAL, 0, 0);
input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
- __set_bit(ABS_TOOL_WIDTH, dev->absbit);
+
+ if (SYN_CAP_PALMDETECT(priv->capabilities))
+ input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
__set_bit(EV_KEY, dev->evbit);
__set_bit(BTN_TOUCH, dev->keybit);
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index f34b22bce4ff..d8f68f77007b 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -57,7 +57,6 @@ struct mousedev_hw_data {
};
struct mousedev {
- int exist;
int open;
int minor;
struct input_handle handle;
@@ -66,6 +65,7 @@ struct mousedev {
spinlock_t client_lock; /* protects client_list */
struct mutex mutex;
struct device dev;
+ bool exist;
struct list_head mixdev_node;
int mixdev_open;
@@ -765,10 +765,15 @@ static unsigned int mousedev_poll(struct file *file, poll_table *wait)
{
struct mousedev_client *client = file->private_data;
struct mousedev *mousedev = client->mousedev;
+ unsigned int mask;
poll_wait(file, &mousedev->wait, wait);
- return ((client->ready || client->buffer) ? (POLLIN | POLLRDNORM) : 0) |
- (mousedev->exist ? 0 : (POLLHUP | POLLERR));
+
+ mask = mousedev->exist ? POLLOUT | POLLWRNORM : POLLHUP | POLLERR;
+ if (client->ready || client->buffer)
+ mask |= POLLIN | POLLRDNORM;
+
+ return mask;
}
static const struct file_operations mousedev_fops = {
@@ -802,7 +807,7 @@ static void mousedev_remove_chrdev(struct mousedev *mousedev)
static void mousedev_mark_dead(struct mousedev *mousedev)
{
mutex_lock(&mousedev->mutex);
- mousedev->exist = 0;
+ mousedev->exist = false;
mutex_unlock(&mousedev->mutex);
}
@@ -862,7 +867,7 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
dev_set_name(&mousedev->dev, "mouse%d", minor);
mousedev->minor = minor;
- mousedev->exist = 1;
+ mousedev->exist = true;
mousedev->handle.dev = input_get_device(dev);
mousedev->handle.name = dev_name(&mousedev->dev);
mousedev->handle.handler = handler;
diff --git a/drivers/input/serio/i8042-ppcio.h b/drivers/input/serio/i8042-ppcio.h
index 2906e1b60c04..f708c75d16f1 100644
--- a/drivers/input/serio/i8042-ppcio.h
+++ b/drivers/input/serio/i8042-ppcio.h
@@ -52,81 +52,6 @@ static inline void i8042_platform_exit(void)
{
}
-#elif defined(CONFIG_SPRUCE)
-
-#define I8042_KBD_IRQ 22
-#define I8042_AUX_IRQ 21
-
-#define I8042_KBD_PHYS_DESC "spruceps2/serio0"
-#define I8042_AUX_PHYS_DESC "spruceps2/serio1"
-#define I8042_MUX_PHYS_DESC "spruceps2/serio%d"
-
-#define I8042_COMMAND_REG 0xff810000
-#define I8042_DATA_REG 0xff810001
-
-static inline int i8042_read_data(void)
-{
- unsigned long kbd_data;
-
- __raw_writel(0x00000088, 0xff500008);
- eieio();
-
- __raw_writel(0x03000000, 0xff50000c);
- eieio();
-
- asm volatile("lis 7,0xff88 \n\
- lswi 6,7,0x8 \n\
- mr %0,6"
- : "=r" (kbd_data) :: "6", "7");
-
- __raw_writel(0x00000000, 0xff50000c);
- eieio();
-
- return (unsigned char)(kbd_data >> 24);
-}
-
-static inline int i8042_read_status(void)
-{
- unsigned long kbd_status;
-
- __raw_writel(0x00000088, 0xff500008);
- eieio();
-
- __raw_writel(0x03000000, 0xff50000c);
- eieio();
-
- asm volatile("lis 7,0xff88 \n\
- ori 7,7,0x8 \n\
- lswi 6,7,0x8 \n\
- mr %0,6"
- : "=r" (kbd_status) :: "6", "7");
-
- __raw_writel(0x00000000, 0xff50000c);
- eieio();
-
- return (unsigned char)(kbd_status >> 24);
-}
-
-static inline void i8042_write_data(int val)
-{
- *((unsigned char *)0xff810000) = (char)val;
-}
-
-static inline void i8042_write_command(int val)
-{
- *((unsigned char *)0xff810001) = (char)val;
-}
-
-static inline int i8042_platform_init(void)
-{
- i8042_reset = 1;
- return 0;
-}
-
-static inline void i8042_platform_exit(void)
-{
-}
-
#else
#include "i8042-io.h"
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 6440a8f55686..258b98b9d7c2 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -861,9 +861,6 @@ static int i8042_controller_selftest(void)
unsigned char param;
int i = 0;
- if (!i8042_reset)
- return 0;
-
/*
* We try this 5 times; on some really fragile systems this does not
* take the first time...
@@ -1020,7 +1017,8 @@ static void i8042_controller_reset(void)
* Reset the controller if requested.
*/
- i8042_controller_selftest();
+ if (i8042_reset)
+ i8042_controller_selftest();
/*
* Restore the original control register setting.
@@ -1094,23 +1092,11 @@ static void i8042_dritek_enable(void)
#ifdef CONFIG_PM
/*
- * Here we try to restore the original BIOS settings to avoid
- * upsetting it.
- */
-
-static int i8042_pm_reset(struct device *dev)
-{
- i8042_controller_reset();
-
- return 0;
-}
-
-/*
* Here we try to reset everything back to a state we had
* before suspending.
*/
-static int i8042_pm_restore(struct device *dev)
+static int i8042_controller_resume(bool force_reset)
{
int error;
@@ -1118,9 +1104,11 @@ static int i8042_pm_restore(struct device *dev)
if (error)
return error;
- error = i8042_controller_selftest();
- if (error)
- return error;
+ if (i8042_reset || force_reset) {
+ error = i8042_controller_selftest();
+ if (error)
+ return error;
+ }
/*
* Restore original CTR value and disable all ports
@@ -1162,6 +1150,28 @@ static int i8042_pm_restore(struct device *dev)
return 0;
}
+/*
+ * Here we try to restore the original BIOS settings to avoid
+ * upsetting it.
+ */
+
+static int i8042_pm_reset(struct device *dev)
+{
+ i8042_controller_reset();
+
+ return 0;
+}
+
+static int i8042_pm_resume(struct device *dev)
+{
+ /*
+ * On resume from S2R we always try to reset the controller
+ * to bring it in a sane state. (In case of S2D we expect
+ * BIOS to reset the controller for us.)
+ */
+ return i8042_controller_resume(true);
+}
+
static int i8042_pm_thaw(struct device *dev)
{
i8042_interrupt(0, NULL);
@@ -1169,9 +1179,14 @@ static int i8042_pm_thaw(struct device *dev)
return 0;
}
+static int i8042_pm_restore(struct device *dev)
+{
+ return i8042_controller_resume(false);
+}
+
static const struct dev_pm_ops i8042_pm_ops = {
.suspend = i8042_pm_reset,
- .resume = i8042_pm_restore,
+ .resume = i8042_pm_resume,
.thaw = i8042_pm_thaw,
.poweroff = i8042_pm_reset,
.restore = i8042_pm_restore,
@@ -1389,9 +1404,11 @@ static int __init i8042_probe(struct platform_device *dev)
i8042_platform_device = dev;
- error = i8042_controller_selftest();
- if (error)
- return error;
+ if (i8042_reset) {
+ error = i8042_controller_selftest();
+ if (error)
+ return error;
+ }
error = i8042_controller_init();
if (error)
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 415f6306105d..ce0b4608dad9 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -158,6 +158,39 @@ static int wacom_ptu_irq(struct wacom_wac *wacom)
return 1;
}
+static int wacom_dtu_irq(struct wacom_wac *wacom)
+{
+ struct wacom_features *features = &wacom->features;
+ char *data = wacom->data;
+ struct input_dev *input = wacom->input;
+ int prox = data[1] & 0x20, pressure;
+
+ dbg("wacom_dtu_irq: received report #%d", data[0]);
+
+ if (prox) {
+ /* Going into proximity select tool */
+ wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
+ if (wacom->tool[0] == BTN_TOOL_PEN)
+ wacom->id[0] = STYLUS_DEVICE_ID;
+ else
+ wacom->id[0] = ERASER_DEVICE_ID;
+ }
+ input_report_key(input, BTN_STYLUS, data[1] & 0x02);
+ input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
+ input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
+ input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
+ pressure = ((data[7] & 0x01) << 8) | data[6];
+ if (pressure < 0)
+ pressure = features->pressure_max + pressure + 1;
+ input_report_abs(input, ABS_PRESSURE, pressure);
+ input_report_key(input, BTN_TOUCH, data[1] & 0x05);
+ if (!prox) /* out-prox */
+ wacom->id[0] = 0;
+ input_report_key(input, wacom->tool[0], prox);
+ input_report_abs(input, ABS_MISC, wacom->id[0]);
+ return 1;
+}
+
static int wacom_graphire_irq(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
@@ -845,6 +878,10 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
sync = wacom_ptu_irq(wacom_wac);
break;
+ case DTU:
+ sync = wacom_dtu_irq(wacom_wac);
+ break;
+
case INTUOS:
case INTUOS3S:
case INTUOS3:
@@ -1030,6 +1067,7 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev,
case PL:
case PTU:
+ case DTU:
__set_bit(BTN_TOOL_PEN, input_dev->keybit);
__set_bit(BTN_STYLUS, input_dev->keybit);
__set_bit(BTN_STYLUS2, input_dev->keybit);
@@ -1155,6 +1193,10 @@ static const struct wacom_features wacom_features_0xC6 =
{ "Wacom Cintiq 12WX", WACOM_PKGLEN_INTUOS, 53020, 33440, 1023, 63, WACOM_BEE };
static const struct wacom_features wacom_features_0xC7 =
{ "Wacom DTU1931", WACOM_PKGLEN_GRAPHIRE, 37832, 30305, 511, 0, PL };
+static const struct wacom_features wacom_features_0xCE =
+ { "Wacom DTU2231", WACOM_PKGLEN_GRAPHIRE, 47864, 27011, 511, 0, DTU };
+static const struct wacom_features wacom_features_0xF0 =
+ { "Wacom DTU1631", WACOM_PKGLEN_GRAPHIRE, 34623, 19553, 511, 0, DTU };
static const struct wacom_features wacom_features_0xCC =
{ "Wacom Cintiq 21UX2", WACOM_PKGLEN_INTUOS, 87200, 65600, 2047, 63, WACOM_21UX2 };
static const struct wacom_features wacom_features_0x90 =
@@ -1234,6 +1276,8 @@ const struct usb_device_id wacom_ids[] = {
{ USB_DEVICE_WACOM(0xC5) },
{ USB_DEVICE_WACOM(0xC6) },
{ USB_DEVICE_WACOM(0xC7) },
+ { USB_DEVICE_WACOM(0xCE) },
+ { USB_DEVICE_WACOM(0xF0) },
{ USB_DEVICE_WACOM(0xCC) },
{ USB_DEVICE_WACOM(0x90) },
{ USB_DEVICE_WACOM(0x93) },
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index 854b92092dfc..99e1a54cd305 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -43,6 +43,7 @@ enum {
WACOM_G4,
PTU,
PL,
+ DTU,
INTUOS,
INTUOS3S,
INTUOS3,
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 3b9d5e2105d7..61f35184f76c 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -55,37 +55,36 @@ config TOUCHSCREEN_AD7877
To compile this driver as a module, choose M here: the
module will be called ad7877.
-config TOUCHSCREEN_AD7879_I2C
- tristate "AD7879 based touchscreens: AD7879-1 I2C Interface"
- depends on I2C
- select TOUCHSCREEN_AD7879
+config TOUCHSCREEN_AD7879
+ tristate "Analog Devices AD7879-1/AD7889-1 touchscreen interface"
help
- Say Y here if you have a touchscreen interface using the
- AD7879-1/AD7889-1 controller, and your board-specific
- initialization code includes that in its table of I2C devices.
+ Say Y here if you want to support a touchscreen interface using
+ the AD7879-1/AD7889-1 controller.
- If unsure, say N (but it's safe to say "Y").
+ You should select a bus connection too.
To compile this driver as a module, choose M here: the
module will be called ad7879.
+config TOUCHSCREEN_AD7879_I2C
+ tristate "support I2C bus connection"
+ depends on TOUCHSCREEN_AD7879 && I2C
+ help
+ Say Y here if you have AD7879-1/AD7889-1 hooked to an I2C bus.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad7879-i2c.
+
config TOUCHSCREEN_AD7879_SPI
- tristate "AD7879 based touchscreens: AD7879 SPI Interface"
- depends on SPI_MASTER && TOUCHSCREEN_AD7879_I2C = n
- select TOUCHSCREEN_AD7879
+ tristate "support SPI bus connection"
+ depends on TOUCHSCREEN_AD7879 && SPI_MASTER
help
- Say Y here if you have a touchscreen interface using the
- AD7879/AD7889 controller, and your board-specific initialization
- code includes that in its table of SPI devices.
+ Say Y here if you have AD7879-1/AD7889-1 hooked to a SPI bus.
If unsure, say N (but it's safe to say "Y").
To compile this driver as a module, choose M here: the
- module will be called ad7879.
-
-config TOUCHSCREEN_AD7879
- tristate
- default n
+ module will be called ad7879-spi.
config TOUCHSCREEN_BITSY
tristate "Compaq iPAQ H3600 (Bitsy) touchscreen"
@@ -99,6 +98,20 @@ config TOUCHSCREEN_BITSY
To compile this driver as a module, choose M here: the
module will be called h3600_ts_input.
+config TOUCHSCREEN_CY8CTMG110
+ tristate "cy8ctmg110 touchscreen"
+ depends on I2C
+ depends on GPIOLIB
+
+ help
+ Say Y here if you have a cy8ctmg110 capacitive touchscreen on
+ an AAVA device.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called cy8ctmg110_ts.
+
config TOUCHSCREEN_DA9034
tristate "Touchscreen support for Dialog Semiconductor DA9034"
depends on PMIC_DA903X
@@ -292,6 +305,18 @@ config TOUCHSCREEN_PENMOUNT
To compile this driver as a module, choose M here: the
module will be called penmount.
+config TOUCHSCREEN_QT602240
+ tristate "QT602240 I2C Touchscreen"
+ depends on I2C
+ help
+ Say Y here if you have the AT42QT602240/ATMXT224 I2C touchscreen
+ connected to your system.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called qt602240_ts.
+
config TOUCHSCREEN_MIGOR
tristate "Renesas MIGO-R touchscreen"
depends on SH_MIGOR && I2C
@@ -540,9 +565,9 @@ config TOUCHSCREEN_USB_ZYTRONIC
bool "Zytronic controller" if EMBEDDED
depends on TOUCHSCREEN_USB_COMPOSITE
-config TOUCHSCREEN_USB_ETT_TC5UH
+config TOUCHSCREEN_USB_ETT_TC45USB
default y
- bool "ET&T TC5UH touchscreen controler support" if EMBEDDED
+ bool "ET&T USB series TC4UM/TC5UH touchscreen controler support" if EMBEDDED
depends on TOUCHSCREEN_USB_COMPOSITE
config TOUCHSCREEN_USB_NEXIO
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 497964a7a214..bd6f30b4ff70 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -9,9 +9,13 @@ wm97xx-ts-y := wm97xx-core.o
obj-$(CONFIG_TOUCHSCREEN_88PM860X) += 88pm860x-ts.o
obj-$(CONFIG_TOUCHSCREEN_AD7877) += ad7877.o
obj-$(CONFIG_TOUCHSCREEN_AD7879) += ad7879.o
+obj-$(CONFIG_TOUCHSCREEN_AD7879_I2C) += ad7879-i2c.o
+obj-$(CONFIG_TOUCHSCREEN_AD7879_SPI) += ad7879-spi.o
obj-$(CONFIG_TOUCHSCREEN_ADS7846) += ads7846.o
obj-$(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) += atmel_tsadcc.o
obj-$(CONFIG_TOUCHSCREEN_BITSY) += h3600_ts_input.o
+obj-$(CONFIG_TOUCHSCREEN_CY8CTMG110) += cy8ctmg110_ts.o
+obj-$(CONFIG_TOUCHSCREEN_DA9034) += da9034-ts.o
obj-$(CONFIG_TOUCHSCREEN_DYNAPRO) += dynapro.o
obj-$(CONFIG_TOUCHSCREEN_HAMPSHIRE) += hampshire.o
obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o
@@ -30,6 +34,7 @@ obj-$(CONFIG_TOUCHSCREEN_HTCPEN) += htcpen.o
obj-$(CONFIG_TOUCHSCREEN_USB_COMPOSITE) += usbtouchscreen.o
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-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o
@@ -38,7 +43,6 @@ obj-$(CONFIG_TOUCHSCREEN_TSC2007) += tsc2007.o
obj-$(CONFIG_TOUCHSCREEN_UCB1400) += ucb1400_ts.o
obj-$(CONFIG_TOUCHSCREEN_WACOM_W8001) += wacom_w8001.o
obj-$(CONFIG_TOUCHSCREEN_WM97XX) += wm97xx-ts.o
-obj-$(CONFIG_TOUCHSCREEN_DA9034) += da9034-ts.o
wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9705) += wm9705.o
wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9712) += wm9712.o
wm97xx-ts-$(CONFIG_TOUCHSCREEN_WM9713) += wm9713.o
diff --git a/drivers/input/touchscreen/ad7879-i2c.c b/drivers/input/touchscreen/ad7879-i2c.c
new file mode 100644
index 000000000000..d82a38ee9a3e
--- /dev/null
+++ b/drivers/input/touchscreen/ad7879-i2c.c
@@ -0,0 +1,143 @@
+/*
+ * AD7879-1/AD7889-1 touchscreen (I2C bus)
+ *
+ * Copyright (C) 2008-2010 Michael Hennerich, Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/input.h> /* BUS_I2C */
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/types.h>
+
+#include "ad7879.h"
+
+#define AD7879_DEVID 0x79 /* AD7879-1/AD7889-1 */
+
+#ifdef CONFIG_PM
+static int ad7879_i2c_suspend(struct i2c_client *client, pm_message_t message)
+{
+ struct ad7879 *ts = i2c_get_clientdata(client);
+
+ ad7879_suspend(ts);
+
+ return 0;
+}
+
+static int ad7879_i2c_resume(struct i2c_client *client)
+{
+ struct ad7879 *ts = i2c_get_clientdata(client);
+
+ ad7879_resume(ts);
+
+ return 0;
+}
+#else
+# define ad7879_i2c_suspend NULL
+# define ad7879_i2c_resume NULL
+#endif
+
+/* All registers are word-sized.
+ * AD7879 uses a high-byte first convention.
+ */
+static int ad7879_i2c_read(struct device *dev, u8 reg)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ return swab16(i2c_smbus_read_word_data(client, reg));
+}
+
+static int ad7879_i2c_multi_read(struct device *dev,
+ u8 first_reg, u8 count, u16 *buf)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ u8 idx;
+
+ i2c_smbus_read_i2c_block_data(client, first_reg, count * 2, (u8 *)buf);
+
+ for (idx = 0; idx < count; ++idx)
+ buf[idx] = swab16(buf[idx]);
+
+ return 0;
+}
+
+static int ad7879_i2c_write(struct device *dev, u8 reg, u16 val)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ return i2c_smbus_write_word_data(client, reg, swab16(val));
+}
+
+static const struct ad7879_bus_ops ad7879_i2c_bus_ops = {
+ .bustype = BUS_I2C,
+ .read = ad7879_i2c_read,
+ .multi_read = ad7879_i2c_multi_read,
+ .write = ad7879_i2c_write,
+};
+
+static int __devinit ad7879_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct ad7879 *ts;
+
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_WORD_DATA)) {
+ dev_err(&client->dev, "SMBUS Word Data not Supported\n");
+ return -EIO;
+ }
+
+ ts = ad7879_probe(&client->dev, AD7879_DEVID, client->irq,
+ &ad7879_i2c_bus_ops);
+ if (IS_ERR(ts))
+ return PTR_ERR(ts);
+
+ i2c_set_clientdata(client, ts);
+
+ return 0;
+}
+
+static int __devexit ad7879_i2c_remove(struct i2c_client *client)
+{
+ struct ad7879 *ts = i2c_get_clientdata(client);
+
+ ad7879_remove(ts);
+
+ return 0;
+}
+
+static const struct i2c_device_id ad7879_id[] = {
+ { "ad7879", 0 },
+ { "ad7889", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ad7879_id);
+
+static struct i2c_driver ad7879_i2c_driver = {
+ .driver = {
+ .name = "ad7879",
+ .owner = THIS_MODULE,
+ },
+ .probe = ad7879_i2c_probe,
+ .remove = __devexit_p(ad7879_i2c_remove),
+ .suspend = ad7879_i2c_suspend,
+ .resume = ad7879_i2c_resume,
+ .id_table = ad7879_id,
+};
+
+static int __init ad7879_i2c_init(void)
+{
+ return i2c_add_driver(&ad7879_i2c_driver);
+}
+module_init(ad7879_i2c_init);
+
+static void __exit ad7879_i2c_exit(void)
+{
+ i2c_del_driver(&ad7879_i2c_driver);
+}
+module_exit(ad7879_i2c_exit);
+
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("AD7879(-1) touchscreen I2C bus driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("i2c:ad7879");
diff --git a/drivers/input/touchscreen/ad7879-spi.c b/drivers/input/touchscreen/ad7879-spi.c
new file mode 100644
index 000000000000..59c6e68c4325
--- /dev/null
+++ b/drivers/input/touchscreen/ad7879-spi.c
@@ -0,0 +1,198 @@
+/*
+ * AD7879/AD7889 touchscreen (SPI bus)
+ *
+ * Copyright (C) 2008-2010 Michael Hennerich, Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/input.h> /* BUS_SPI */
+#include <linux/spi/spi.h>
+
+#include "ad7879.h"
+
+#define AD7879_DEVID 0x7A /* AD7879/AD7889 */
+
+#define MAX_SPI_FREQ_HZ 5000000
+#define AD7879_CMD_MAGIC 0xE000
+#define AD7879_CMD_READ (1 << 10)
+#define AD7879_CMD(reg) (AD7879_CMD_MAGIC | ((reg) & 0xF))
+#define AD7879_WRITECMD(reg) (AD7879_CMD(reg))
+#define AD7879_READCMD(reg) (AD7879_CMD(reg) | AD7879_CMD_READ)
+
+#ifdef CONFIG_PM
+static int ad7879_spi_suspend(struct spi_device *spi, pm_message_t message)
+{
+ struct ad7879 *ts = spi_get_drvdata(spi);
+
+ ad7879_suspend(ts);
+
+ return 0;
+}
+
+static int ad7879_spi_resume(struct spi_device *spi)
+{
+ struct ad7879 *ts = spi_get_drvdata(spi);
+
+ ad7879_resume(ts);
+
+ return 0;
+}
+#else
+# define ad7879_spi_suspend NULL
+# define ad7879_spi_resume NULL
+#endif
+
+/*
+ * ad7879_read/write are only used for initial setup and for sysfs controls.
+ * The main traffic is done in ad7879_collect().
+ */
+
+static int ad7879_spi_xfer(struct spi_device *spi,
+ u16 cmd, u8 count, u16 *tx_buf, u16 *rx_buf)
+{
+ struct spi_message msg;
+ struct spi_transfer *xfers;
+ void *spi_data;
+ u16 *command;
+ u16 *_rx_buf = _rx_buf; /* shut gcc up */
+ u8 idx;
+ int ret;
+
+ xfers = spi_data = kzalloc(sizeof(*xfers) * (count + 2), GFP_KERNEL);
+ if (!spi_data)
+ return -ENOMEM;
+
+ spi_message_init(&msg);
+
+ command = spi_data;
+ command[0] = cmd;
+ if (count == 1) {
+ /* ad7879_spi_{read,write} gave us buf on stack */
+ command[1] = *tx_buf;
+ tx_buf = &command[1];
+ _rx_buf = rx_buf;
+ rx_buf = &command[2];
+ }
+
+ ++xfers;
+ xfers[0].tx_buf = command;
+ xfers[0].len = 2;
+ spi_message_add_tail(&xfers[0], &msg);
+ ++xfers;
+
+ for (idx = 0; idx < count; ++idx) {
+ if (rx_buf)
+ xfers[idx].rx_buf = &rx_buf[idx];
+ if (tx_buf)
+ xfers[idx].tx_buf = &tx_buf[idx];
+ xfers[idx].len = 2;
+ spi_message_add_tail(&xfers[idx], &msg);
+ }
+
+ ret = spi_sync(spi, &msg);
+
+ if (count == 1)
+ _rx_buf[0] = command[2];
+
+ kfree(spi_data);
+
+ return ret;
+}
+
+static int ad7879_spi_multi_read(struct device *dev,
+ u8 first_reg, u8 count, u16 *buf)
+{
+ struct spi_device *spi = to_spi_device(dev);
+
+ return ad7879_spi_xfer(spi, AD7879_READCMD(first_reg), count, NULL, buf);
+}
+
+static int ad7879_spi_read(struct device *dev, u8 reg)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ u16 ret, dummy;
+
+ return ad7879_spi_xfer(spi, AD7879_READCMD(reg), 1, &dummy, &ret) ? : ret;
+}
+
+static int ad7879_spi_write(struct device *dev, u8 reg, u16 val)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ u16 dummy;
+
+ return ad7879_spi_xfer(spi, AD7879_WRITECMD(reg), 1, &val, &dummy);
+}
+
+static const struct ad7879_bus_ops ad7879_spi_bus_ops = {
+ .bustype = BUS_SPI,
+ .read = ad7879_spi_read,
+ .multi_read = ad7879_spi_multi_read,
+ .write = ad7879_spi_write,
+};
+
+static int __devinit ad7879_spi_probe(struct spi_device *spi)
+{
+ struct ad7879 *ts;
+ int err;
+
+ /* don't exceed max specified SPI CLK frequency */
+ if (spi->max_speed_hz > MAX_SPI_FREQ_HZ) {
+ dev_err(&spi->dev, "SPI CLK %d Hz?\n", spi->max_speed_hz);
+ return -EINVAL;
+ }
+
+ spi->bits_per_word = 16;
+ err = spi_setup(spi);
+ if (err) {
+ dev_dbg(&spi->dev, "spi master doesn't support 16 bits/word\n");
+ return err;
+ }
+
+ ts = ad7879_probe(&spi->dev, AD7879_DEVID, spi->irq, &ad7879_spi_bus_ops);
+ if (IS_ERR(ts))
+ return PTR_ERR(ts);
+
+ spi_set_drvdata(spi, ts);
+
+ return 0;
+}
+
+static int __devexit ad7879_spi_remove(struct spi_device *spi)
+{
+ struct ad7879 *ts = spi_get_drvdata(spi);
+
+ ad7879_remove(ts);
+ spi_set_drvdata(spi, NULL);
+
+ return 0;
+}
+
+static struct spi_driver ad7879_spi_driver = {
+ .driver = {
+ .name = "ad7879",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+ .probe = ad7879_spi_probe,
+ .remove = __devexit_p(ad7879_spi_remove),
+ .suspend = ad7879_spi_suspend,
+ .resume = ad7879_spi_resume,
+};
+
+static int __init ad7879_spi_init(void)
+{
+ return spi_register_driver(&ad7879_spi_driver);
+}
+module_init(ad7879_spi_init);
+
+static void __exit ad7879_spi_exit(void)
+{
+ spi_unregister_driver(&ad7879_spi_driver);
+}
+module_exit(ad7879_spi_exit);
+
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_DESCRIPTION("AD7879(-1) touchscreen SPI bus driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("spi:ad7879");
diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
index 4b32fb4704cd..ba6f0bd1e762 100644
--- a/drivers/input/touchscreen/ad7879.c
+++ b/drivers/input/touchscreen/ad7879.c
@@ -1,25 +1,9 @@
/*
- * Copyright (C) 2008-2009 Michael Hennerich, Analog Devices Inc.
+ * AD7879/AD7889 based touchscreen and GPIO driver
*
- * Description: AD7879/AD7889 based touchscreen, and GPIO driver
- * (I2C/SPI Interface)
+ * Copyright (C) 2008-2010 Michael Hennerich, Analog Devices Inc.
*
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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 the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * Licensed under the GPL-2 or later.
*
* History:
* Copyright (c) 2005 David Brownell
@@ -44,12 +28,12 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/slab.h>
-#include <linux/workqueue.h>
#include <linux/spi/spi.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/spi/ad7879.h>
+#include "ad7879.h"
#define AD7879_REG_ZEROS 0
#define AD7879_REG_CTRL1 1
@@ -120,30 +104,19 @@ enum {
#define MAX_12BIT ((1<<12)-1)
#define TS_PEN_UP_TIMEOUT msecs_to_jiffies(50)
-#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
-#define AD7879_DEVID 0x7A
-typedef struct spi_device bus_device;
-#elif defined(CONFIG_TOUCHSCREEN_AD7879_I2C) || defined(CONFIG_TOUCHSCREEN_AD7879_I2C_MODULE)
-#define AD7879_DEVID 0x79
-typedef struct i2c_client bus_device;
-#endif
-
struct ad7879 {
- bus_device *bus;
+ const struct ad7879_bus_ops *bops;
+
+ struct device *dev;
struct input_dev *input;
- struct work_struct work;
struct timer_list timer;
#ifdef CONFIG_GPIOLIB
struct gpio_chip gc;
-#endif
struct mutex mutex;
- unsigned disabled:1; /* P: mutex */
-
-#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
- struct spi_message msg;
- struct spi_transfer xfer[AD7879_NR_SENSE + 1];
- u16 cmd;
#endif
+ unsigned int irq;
+ bool disabled; /* P: input->mutex */
+ bool suspended; /* P: input->mutex */
u16 conversion_data[AD7879_NR_SENSE];
char phys[32];
u8 first_conversion_delay;
@@ -158,11 +131,22 @@ struct ad7879 {
u16 cmd_crtl3;
};
-static int ad7879_read(bus_device *, u8);
-static int ad7879_write(bus_device *, u8, u16);
-static void ad7879_collect(struct ad7879 *);
+static int ad7879_read(struct ad7879 *ts, u8 reg)
+{
+ return ts->bops->read(ts->dev, reg);
+}
+
+static int ad7879_multi_read(struct ad7879 *ts, u8 first_reg, u8 count, u16 *buf)
+{
+ return ts->bops->multi_read(ts->dev, first_reg, count, buf);
+}
-static void ad7879_report(struct ad7879 *ts)
+static int ad7879_write(struct ad7879 *ts, u8 reg, u16 val)
+{
+ return ts->bops->write(ts->dev, reg, val);
+}
+
+static int ad7879_report(struct ad7879 *ts)
{
struct input_dev *input_dev = ts->input;
unsigned Rt;
@@ -175,12 +159,14 @@ static void ad7879_report(struct ad7879 *ts)
/*
* The samples processed here are already preprocessed by the AD7879.
- * The preprocessing function consists of a median and an averaging filter.
- * The combination of these two techniques provides a robust solution,
- * discarding the spurious noise in the signal and keeping only the data of interest.
- * The size of both filters is programmable. (dev.platform_data, see linux/spi/ad7879.h)
- * Other user-programmable conversion controls include variable acquisition time,
- * and first conversion delay. Up to 16 averages can be taken per conversion.
+ * The preprocessing function consists of a median and an averaging
+ * filter. The combination of these two techniques provides a robust
+ * solution, discarding the spurious noise in the signal and keeping
+ * only the data of interest. The size of both filters is
+ * programmable. (dev.platform_data, see linux/spi/ad7879.h) Other
+ * user-programmable conversion controls include variable acquisition
+ * time, and first conversion delay. Up to 16 averages can be taken
+ * per conversion.
*/
if (likely(x && z1)) {
@@ -189,21 +175,17 @@ static void ad7879_report(struct ad7879 *ts)
Rt /= z1;
Rt = (Rt + 2047) >> 12;
+ if (!timer_pending(&ts->timer))
+ input_report_key(input_dev, BTN_TOUCH, 1);
+
input_report_abs(input_dev, ABS_X, x);
input_report_abs(input_dev, ABS_Y, y);
input_report_abs(input_dev, ABS_PRESSURE, Rt);
input_sync(input_dev);
+ return 0;
}
-}
-
-static void ad7879_work(struct work_struct *work)
-{
- struct ad7879 *ts = container_of(work, struct ad7879, work);
- /* use keventd context to read the result registers */
- ad7879_collect(ts);
- ad7879_report(ts);
- mod_timer(&ts->timer, jiffies + TS_PEN_UP_TIMEOUT);
+ return -EINVAL;
}
static void ad7879_ts_event_release(struct ad7879 *ts)
@@ -211,6 +193,7 @@ static void ad7879_ts_event_release(struct ad7879 *ts)
struct input_dev *input_dev = ts->input;
input_report_abs(input_dev, ABS_PRESSURE, 0);
+ input_report_key(input_dev, BTN_TOUCH, 0);
input_sync(input_dev);
}
@@ -225,56 +208,98 @@ static irqreturn_t ad7879_irq(int irq, void *handle)
{
struct ad7879 *ts = handle;
- /* The repeated conversion sequencer controlled by TMR kicked off too fast.
- * We ignore the last and process the sample sequence currently in the queue.
- * It can't be older than 9.4ms
- */
+ ad7879_multi_read(ts, AD7879_REG_XPLUS, AD7879_NR_SENSE, ts->conversion_data);
- if (!work_pending(&ts->work))
- schedule_work(&ts->work);
+ if (!ad7879_report(ts))
+ mod_timer(&ts->timer, jiffies + TS_PEN_UP_TIMEOUT);
return IRQ_HANDLED;
}
-static void ad7879_setup(struct ad7879 *ts)
+static void __ad7879_enable(struct ad7879 *ts)
{
- ad7879_write(ts->bus, AD7879_REG_CTRL2, ts->cmd_crtl2);
- ad7879_write(ts->bus, AD7879_REG_CTRL3, ts->cmd_crtl3);
- ad7879_write(ts->bus, AD7879_REG_CTRL1, ts->cmd_crtl1);
+ ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2);
+ ad7879_write(ts, AD7879_REG_CTRL3, ts->cmd_crtl3);
+ ad7879_write(ts, AD7879_REG_CTRL1, ts->cmd_crtl1);
+
+ enable_irq(ts->irq);
}
-static void ad7879_disable(struct ad7879 *ts)
+static void __ad7879_disable(struct ad7879 *ts)
{
- mutex_lock(&ts->mutex);
+ disable_irq(ts->irq);
+
+ if (del_timer_sync(&ts->timer))
+ ad7879_ts_event_release(ts);
+
+ ad7879_write(ts, AD7879_REG_CTRL2, AD7879_PM(AD7879_PM_SHUTDOWN));
+}
- if (!ts->disabled) {
- ts->disabled = 1;
- disable_irq(ts->bus->irq);
+static int ad7879_open(struct input_dev *input)
+{
+ struct ad7879 *ts = input_get_drvdata(input);
- cancel_work_sync(&ts->work);
+ /* protected by input->mutex */
+ if (!ts->disabled && !ts->suspended)
+ __ad7879_enable(ts);
- if (del_timer_sync(&ts->timer))
- ad7879_ts_event_release(ts);
+ return 0;
+}
- ad7879_write(ts->bus, AD7879_REG_CTRL2,
- AD7879_PM(AD7879_PM_SHUTDOWN));
- }
+static void ad7879_close(struct input_dev* input)
+{
+ struct ad7879 *ts = input_get_drvdata(input);
- mutex_unlock(&ts->mutex);
+ /* protected by input->mutex */
+ if (!ts->disabled && !ts->suspended)
+ __ad7879_disable(ts);
}
-static void ad7879_enable(struct ad7879 *ts)
+void ad7879_suspend(struct ad7879 *ts)
{
- mutex_lock(&ts->mutex);
+ mutex_lock(&ts->input->mutex);
+
+ if (!ts->suspended && !ts->disabled && ts->input->users)
+ __ad7879_disable(ts);
+
+ ts->suspended = true;
- if (ts->disabled) {
- ad7879_setup(ts);
- ts->disabled = 0;
- enable_irq(ts->bus->irq);
+ mutex_unlock(&ts->input->mutex);
+}
+EXPORT_SYMBOL(ad7879_suspend);
+
+void ad7879_resume(struct ad7879 *ts)
+{
+ mutex_lock(&ts->input->mutex);
+
+ if (ts->suspended && !ts->disabled && ts->input->users)
+ __ad7879_enable(ts);
+
+ ts->suspended = false;
+
+ mutex_unlock(&ts->input->mutex);
+}
+EXPORT_SYMBOL(ad7879_resume);
+
+static void ad7879_toggle(struct ad7879 *ts, bool disable)
+{
+ mutex_lock(&ts->input->mutex);
+
+ if (!ts->suspended && ts->input->users != 0) {
+
+ if (disable) {
+ if (ts->disabled)
+ __ad7879_enable(ts);
+ } else {
+ if (!ts->disabled)
+ __ad7879_disable(ts);
+ }
}
- mutex_unlock(&ts->mutex);
+ ts->disabled = disable;
+
+ mutex_unlock(&ts->input->mutex);
}
static ssize_t ad7879_disable_show(struct device *dev,
@@ -297,10 +322,7 @@ static ssize_t ad7879_disable_store(struct device *dev,
if (error)
return error;
- if (val)
- ad7879_disable(ts);
- else
- ad7879_enable(ts);
+ ad7879_toggle(ts, val);
return count;
}
@@ -325,7 +347,7 @@ static int ad7879_gpio_direction_input(struct gpio_chip *chip,
mutex_lock(&ts->mutex);
ts->cmd_crtl2 |= AD7879_GPIO_EN | AD7879_GPIODIR | AD7879_GPIOPOL;
- err = ad7879_write(ts->bus, AD7879_REG_CTRL2, ts->cmd_crtl2);
+ err = ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2);
mutex_unlock(&ts->mutex);
return err;
@@ -345,7 +367,7 @@ static int ad7879_gpio_direction_output(struct gpio_chip *chip,
else
ts->cmd_crtl2 &= ~AD7879_GPIO_DATA;
- err = ad7879_write(ts->bus, AD7879_REG_CTRL2, ts->cmd_crtl2);
+ err = ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2);
mutex_unlock(&ts->mutex);
return err;
@@ -357,7 +379,7 @@ static int ad7879_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
u16 val;
mutex_lock(&ts->mutex);
- val = ad7879_read(ts->bus, AD7879_REG_CTRL2);
+ val = ad7879_read(ts, AD7879_REG_CTRL2);
mutex_unlock(&ts->mutex);
return !!(val & AD7879_GPIO_DATA);
@@ -374,16 +396,17 @@ static void ad7879_gpio_set_value(struct gpio_chip *chip,
else
ts->cmd_crtl2 &= ~AD7879_GPIO_DATA;
- ad7879_write(ts->bus, AD7879_REG_CTRL2, ts->cmd_crtl2);
+ ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2);
mutex_unlock(&ts->mutex);
}
-static int __devinit ad7879_gpio_add(struct device *dev)
+static int ad7879_gpio_add(struct ad7879 *ts,
+ const struct ad7879_platform_data *pdata)
{
- struct ad7879 *ts = dev_get_drvdata(dev);
- struct ad7879_platform_data *pdata = dev->platform_data;
int ret = 0;
+ mutex_init(&ts->mutex);
+
if (pdata->gpio_export) {
ts->gc.direction_input = ad7879_gpio_direction_input;
ts->gc.direction_output = ad7879_gpio_direction_output;
@@ -394,72 +417,75 @@ static int __devinit ad7879_gpio_add(struct device *dev)
ts->gc.ngpio = 1;
ts->gc.label = "AD7879-GPIO";
ts->gc.owner = THIS_MODULE;
- ts->gc.dev = dev;
+ ts->gc.dev = ts->dev;
ret = gpiochip_add(&ts->gc);
if (ret)
- dev_err(dev, "failed to register gpio %d\n",
+ dev_err(ts->dev, "failed to register gpio %d\n",
ts->gc.base);
}
return ret;
}
-/*
- * We mark ad7879_gpio_remove inline so there is a chance the code
- * gets discarded when not needed. We can't do __devinit/__devexit
- * markup since it is used in both probe and remove methods.
- */
-static inline void ad7879_gpio_remove(struct device *dev)
+static void ad7879_gpio_remove(struct ad7879 *ts)
{
- struct ad7879 *ts = dev_get_drvdata(dev);
- struct ad7879_platform_data *pdata = dev->platform_data;
+ const struct ad7879_platform_data *pdata = ts->dev->platform_data;
int ret;
if (pdata->gpio_export) {
ret = gpiochip_remove(&ts->gc);
if (ret)
- dev_err(dev, "failed to remove gpio %d\n",
+ dev_err(ts->dev, "failed to remove gpio %d\n",
ts->gc.base);
}
}
#else
-static inline int ad7879_gpio_add(struct device *dev)
+static inline int ad7879_gpio_add(struct ad7879 *ts,
+ const struct ad7879_platform_data *pdata)
{
return 0;
}
-static inline void ad7879_gpio_remove(struct device *dev)
+static inline void ad7879_gpio_remove(struct ad7879 *ts)
{
}
#endif
-static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
+struct ad7879 *ad7879_probe(struct device *dev, u8 devid, unsigned int irq,
+ const struct ad7879_bus_ops *bops)
{
+ struct ad7879_platform_data *pdata = dev->platform_data;
+ struct ad7879 *ts;
struct input_dev *input_dev;
- struct ad7879_platform_data *pdata = bus->dev.platform_data;
int err;
u16 revid;
- if (!bus->irq) {
- dev_err(&bus->dev, "no IRQ?\n");
- return -ENODEV;
+ if (!irq) {
+ dev_err(dev, "no IRQ?\n");
+ err = -EINVAL;
+ goto err_out;
}
if (!pdata) {
- dev_err(&bus->dev, "no platform data?\n");
- return -ENODEV;
+ dev_err(dev, "no platform data?\n");
+ err = -EINVAL;
+ goto err_out;
}
+ ts = kzalloc(sizeof(*ts), GFP_KERNEL);
input_dev = input_allocate_device();
- if (!input_dev)
- return -ENOMEM;
+ if (!ts || !input_dev) {
+ err = -ENOMEM;
+ goto err_free_mem;
+ }
+ ts->bops = bops;
+ ts->dev = dev;
ts->input = input_dev;
+ ts->irq = irq;
setup_timer(&ts->timer, ad7879_timer, (unsigned long) ts);
- INIT_WORK(&ts->work, ad7879_work);
- mutex_init(&ts->mutex);
ts->x_plate_ohms = pdata->x_plate_ohms ? : 400;
ts->pressure_max = pdata->pressure_max ? : ~0;
@@ -470,17 +496,26 @@ static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
ts->pen_down_acc_interval = pdata->pen_down_acc_interval;
ts->median = pdata->median;
- snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&bus->dev));
+ snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(dev));
input_dev->name = "AD7879 Touchscreen";
input_dev->phys = ts->phys;
- input_dev->dev.parent = &bus->dev;
+ input_dev->dev.parent = dev;
+ input_dev->id.bustype = bops->bustype;
+
+ input_dev->open = ad7879_open;
+ input_dev->close = ad7879_close;
+
+ input_set_drvdata(input_dev, ts);
__set_bit(EV_ABS, input_dev->evbit);
__set_bit(ABS_X, input_dev->absbit);
__set_bit(ABS_Y, input_dev->absbit);
__set_bit(ABS_PRESSURE, input_dev->absbit);
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(BTN_TOUCH, input_dev->keybit);
+
input_set_abs_params(input_dev, ABS_X,
pdata->x_min ? : 0,
pdata->x_max ? : MAX_12BIT,
@@ -492,17 +527,18 @@ static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
input_set_abs_params(input_dev, ABS_PRESSURE,
pdata->pressure_min, pdata->pressure_max, 0, 0);
- err = ad7879_write(bus, AD7879_REG_CTRL2, AD7879_RESET);
-
+ err = ad7879_write(ts, AD7879_REG_CTRL2, AD7879_RESET);
if (err < 0) {
- dev_err(&bus->dev, "Failed to write %s\n", input_dev->name);
+ dev_err(dev, "Failed to write %s\n", input_dev->name);
goto err_free_mem;
}
- revid = ad7879_read(bus, AD7879_REG_REVID);
-
- if ((revid & 0xFF) != AD7879_DEVID) {
- dev_err(&bus->dev, "Failed to probe %s\n", input_dev->name);
+ revid = ad7879_read(ts, AD7879_REG_REVID);
+ input_dev->id.product = (revid & 0xff);
+ input_dev->id.version = revid >> 8;
+ if (input_dev->id.product != devid) {
+ dev_err(dev, "Failed to probe %s (%x vs %x)\n",
+ input_dev->name, devid, revid);
err = -ENODEV;
goto err_free_mem;
}
@@ -524,21 +560,21 @@ static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
AD7879_ACQ(ts->acquisition_time) |
AD7879_TMR(ts->pen_down_acc_interval);
- ad7879_setup(ts);
-
- err = request_irq(bus->irq, ad7879_irq,
- IRQF_TRIGGER_FALLING, bus->dev.driver->name, ts);
-
+ err = request_threaded_irq(ts->irq, NULL, ad7879_irq,
+ IRQF_TRIGGER_FALLING,
+ dev_name(dev), ts);
if (err) {
- dev_err(&bus->dev, "irq %d busy?\n", bus->irq);
+ dev_err(dev, "irq %d busy?\n", ts->irq);
goto err_free_mem;
}
- err = sysfs_create_group(&bus->dev.kobj, &ad7879_attr_group);
+ __ad7879_disable(ts);
+
+ err = sysfs_create_group(&dev->kobj, &ad7879_attr_group);
if (err)
goto err_free_irq;
- err = ad7879_gpio_add(&bus->dev);
+ err = ad7879_gpio_add(ts, pdata);
if (err)
goto err_remove_attr;
@@ -546,321 +582,32 @@ static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
if (err)
goto err_remove_gpio;
- dev_info(&bus->dev, "Rev.%d touchscreen, irq %d\n",
- revid >> 8, bus->irq);
-
- return 0;
+ return ts;
err_remove_gpio:
- ad7879_gpio_remove(&bus->dev);
+ ad7879_gpio_remove(ts);
err_remove_attr:
- sysfs_remove_group(&bus->dev.kobj, &ad7879_attr_group);
+ sysfs_remove_group(&dev->kobj, &ad7879_attr_group);
err_free_irq:
- free_irq(bus->irq, ts);
+ free_irq(ts->irq, ts);
err_free_mem:
input_free_device(input_dev);
-
- return err;
-}
-
-static int __devexit ad7879_destroy(bus_device *bus, struct ad7879 *ts)
-{
- ad7879_gpio_remove(&bus->dev);
- ad7879_disable(ts);
- sysfs_remove_group(&ts->bus->dev.kobj, &ad7879_attr_group);
- free_irq(ts->bus->irq, ts);
- input_unregister_device(ts->input);
- dev_dbg(&bus->dev, "unregistered touchscreen\n");
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int ad7879_suspend(bus_device *bus, pm_message_t message)
-{
- struct ad7879 *ts = dev_get_drvdata(&bus->dev);
-
- ad7879_disable(ts);
-
- return 0;
-}
-
-static int ad7879_resume(bus_device *bus)
-{
- struct ad7879 *ts = dev_get_drvdata(&bus->dev);
-
- ad7879_enable(ts);
-
- return 0;
-}
-#else
-#define ad7879_suspend NULL
-#define ad7879_resume NULL
-#endif
-
-#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
-#define MAX_SPI_FREQ_HZ 5000000
-#define AD7879_CMD_MAGIC 0xE000
-#define AD7879_CMD_READ (1 << 10)
-#define AD7879_WRITECMD(reg) (AD7879_CMD_MAGIC | (reg & 0xF))
-#define AD7879_READCMD(reg) (AD7879_CMD_MAGIC | AD7879_CMD_READ | (reg & 0xF))
-
-struct ser_req {
- u16 command;
- u16 data;
- struct spi_message msg;
- struct spi_transfer xfer[2];
-};
-
-/*
- * ad7879_read/write are only used for initial setup and for sysfs controls.
- * The main traffic is done in ad7879_collect().
- */
-
-static int ad7879_read(struct spi_device *spi, u8 reg)
-{
- struct ser_req *req;
- int status, ret;
-
- req = kzalloc(sizeof *req, GFP_KERNEL);
- if (!req)
- return -ENOMEM;
-
- spi_message_init(&req->msg);
-
- req->command = (u16) AD7879_READCMD(reg);
- req->xfer[0].tx_buf = &req->command;
- req->xfer[0].len = 2;
-
- req->xfer[1].rx_buf = &req->data;
- req->xfer[1].len = 2;
-
- spi_message_add_tail(&req->xfer[0], &req->msg);
- spi_message_add_tail(&req->xfer[1], &req->msg);
-
- status = spi_sync(spi, &req->msg);
- ret = status ? : req->data;
-
- kfree(req);
-
- return ret;
-}
-
-static int ad7879_write(struct spi_device *spi, u8 reg, u16 val)
-{
- struct ser_req *req;
- int status;
-
- req = kzalloc(sizeof *req, GFP_KERNEL);
- if (!req)
- return -ENOMEM;
-
- spi_message_init(&req->msg);
-
- req->command = (u16) AD7879_WRITECMD(reg);
- req->xfer[0].tx_buf = &req->command;
- req->xfer[0].len = 2;
-
- req->data = val;
- req->xfer[1].tx_buf = &req->data;
- req->xfer[1].len = 2;
-
- spi_message_add_tail(&req->xfer[0], &req->msg);
- spi_message_add_tail(&req->xfer[1], &req->msg);
-
- status = spi_sync(spi, &req->msg);
-
- kfree(req);
-
- return status;
-}
-
-static void ad7879_collect(struct ad7879 *ts)
-{
- int status = spi_sync(ts->bus, &ts->msg);
-
- if (status)
- dev_err(&ts->bus->dev, "spi_sync --> %d\n", status);
-}
-
-static void ad7879_setup_ts_def_msg(struct ad7879 *ts)
-{
- struct spi_message *m;
- int i;
-
- ts->cmd = (u16) AD7879_READCMD(AD7879_REG_XPLUS);
-
- m = &ts->msg;
- spi_message_init(m);
- ts->xfer[0].tx_buf = &ts->cmd;
- ts->xfer[0].len = 2;
-
- spi_message_add_tail(&ts->xfer[0], m);
-
- for (i = 0; i < AD7879_NR_SENSE; i++) {
- ts->xfer[i + 1].rx_buf = &ts->conversion_data[i];
- ts->xfer[i + 1].len = 2;
- spi_message_add_tail(&ts->xfer[i + 1], m);
- }
-}
-
-static int __devinit ad7879_probe(struct spi_device *spi)
-{
- struct ad7879 *ts;
- int error;
-
- /* don't exceed max specified SPI CLK frequency */
- if (spi->max_speed_hz > MAX_SPI_FREQ_HZ) {
- dev_err(&spi->dev, "SPI CLK %d Hz?\n", spi->max_speed_hz);
- return -EINVAL;
- }
-
- ts = kzalloc(sizeof(struct ad7879), GFP_KERNEL);
- if (!ts)
- return -ENOMEM;
-
- dev_set_drvdata(&spi->dev, ts);
- ts->bus = spi;
-
- ad7879_setup_ts_def_msg(ts);
-
- error = ad7879_construct(spi, ts);
- if (error) {
- dev_set_drvdata(&spi->dev, NULL);
- kfree(ts);
- }
-
- return error;
-}
-
-static int __devexit ad7879_remove(struct spi_device *spi)
-{
- struct ad7879 *ts = dev_get_drvdata(&spi->dev);
-
- ad7879_destroy(spi, ts);
- dev_set_drvdata(&spi->dev, NULL);
kfree(ts);
-
- return 0;
+err_out:
+ return ERR_PTR(err);
}
+EXPORT_SYMBOL(ad7879_probe);
-static struct spi_driver ad7879_driver = {
- .driver = {
- .name = "ad7879",
- .bus = &spi_bus_type,
- .owner = THIS_MODULE,
- },
- .probe = ad7879_probe,
- .remove = __devexit_p(ad7879_remove),
- .suspend = ad7879_suspend,
- .resume = ad7879_resume,
-};
-
-static int __init ad7879_init(void)
-{
- return spi_register_driver(&ad7879_driver);
-}
-module_init(ad7879_init);
-
-static void __exit ad7879_exit(void)
-{
- spi_unregister_driver(&ad7879_driver);
-}
-module_exit(ad7879_exit);
-
-#elif defined(CONFIG_TOUCHSCREEN_AD7879_I2C) || defined(CONFIG_TOUCHSCREEN_AD7879_I2C_MODULE)
-
-/* All registers are word-sized.
- * AD7879 uses a high-byte first convention.
- */
-static int ad7879_read(struct i2c_client *client, u8 reg)
+void ad7879_remove(struct ad7879 *ts)
{
- return swab16(i2c_smbus_read_word_data(client, reg));
-}
-
-static int ad7879_write(struct i2c_client *client, u8 reg, u16 val)
-{
- return i2c_smbus_write_word_data(client, reg, swab16(val));
-}
-
-static void ad7879_collect(struct ad7879 *ts)
-{
- int i;
-
- for (i = 0; i < AD7879_NR_SENSE; i++)
- ts->conversion_data[i] = ad7879_read(ts->bus,
- AD7879_REG_XPLUS + i);
-}
-
-static int __devinit ad7879_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct ad7879 *ts;
- int error;
-
- if (!i2c_check_functionality(client->adapter,
- I2C_FUNC_SMBUS_WORD_DATA)) {
- dev_err(&client->dev, "SMBUS Word Data not Supported\n");
- return -EIO;
- }
-
- ts = kzalloc(sizeof(struct ad7879), GFP_KERNEL);
- if (!ts)
- return -ENOMEM;
-
- i2c_set_clientdata(client, ts);
- ts->bus = client;
-
- error = ad7879_construct(client, ts);
- if (error)
- kfree(ts);
-
- return error;
-}
-
-static int __devexit ad7879_remove(struct i2c_client *client)
-{
- struct ad7879 *ts = dev_get_drvdata(&client->dev);
-
- ad7879_destroy(client, ts);
+ ad7879_gpio_remove(ts);
+ sysfs_remove_group(&ts->dev->kobj, &ad7879_attr_group);
+ free_irq(ts->irq, ts);
+ input_unregister_device(ts->input);
kfree(ts);
-
- return 0;
-}
-
-static const struct i2c_device_id ad7879_id[] = {
- { "ad7879", 0 },
- { "ad7889", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, ad7879_id);
-
-static struct i2c_driver ad7879_driver = {
- .driver = {
- .name = "ad7879",
- .owner = THIS_MODULE,
- },
- .probe = ad7879_probe,
- .remove = __devexit_p(ad7879_remove),
- .suspend = ad7879_suspend,
- .resume = ad7879_resume,
- .id_table = ad7879_id,
-};
-
-static int __init ad7879_init(void)
-{
- return i2c_add_driver(&ad7879_driver);
-}
-module_init(ad7879_init);
-
-static void __exit ad7879_exit(void)
-{
- i2c_del_driver(&ad7879_driver);
}
-module_exit(ad7879_exit);
-#endif
+EXPORT_SYMBOL(ad7879_remove);
MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
MODULE_DESCRIPTION("AD7879(-1) touchscreen Driver");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("spi:ad7879");
diff --git a/drivers/input/touchscreen/ad7879.h b/drivers/input/touchscreen/ad7879.h
new file mode 100644
index 000000000000..6b45a27236c7
--- /dev/null
+++ b/drivers/input/touchscreen/ad7879.h
@@ -0,0 +1,30 @@
+/*
+ * AD7879/AD7889 touchscreen (bus interfaces)
+ *
+ * Copyright (C) 2008-2010 Michael Hennerich, Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _AD7879_H_
+#define _AD7879_H_
+
+#include <linux/types.h>
+
+struct ad7879;
+struct device;
+
+struct ad7879_bus_ops {
+ u16 bustype;
+ int (*read)(struct device *dev, u8 reg);
+ int (*multi_read)(struct device *dev, u8 first_reg, u8 count, u16 *buf);
+ int (*write)(struct device *dev, u8 reg, u16 val);
+};
+
+void ad7879_suspend(struct ad7879 *);
+void ad7879_resume(struct ad7879 *);
+struct ad7879 *ad7879_probe(struct device *dev, u8 devid, unsigned irq,
+ const struct ad7879_bus_ops *bops);
+void ad7879_remove(struct ad7879 *);
+
+#endif
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index a9fdf55c0238..16031933a8f6 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -68,6 +68,8 @@ struct ts_event {
u16 y;
u16 z1, z2;
int ignore;
+ u8 x_buf[3];
+ u8 y_buf[3];
};
/*
@@ -79,6 +81,8 @@ struct ads7846_packet {
u8 read_x, read_y, read_z1, read_z2, pwrdown;
u16 dummy; /* for the pwrdown read */
struct ts_event tc;
+ /* for ads7845 with mpc5121 psc spi we use 3-byte buffers */
+ u8 read_x_cmd[3], read_y_cmd[3], pwrdown_cmd[3];
};
struct ads7846 {
@@ -207,6 +211,14 @@ struct ser_req {
struct spi_transfer xfer[6];
};
+struct ads7845_ser_req {
+ u8 command[3];
+ u8 pwrdown[3];
+ u8 sample[3];
+ struct spi_message msg;
+ struct spi_transfer xfer[2];
+};
+
static void ads7846_enable(struct ads7846 *ts);
static void ads7846_disable(struct ads7846 *ts);
@@ -287,6 +299,41 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
return status;
}
+static int ads7845_read12_ser(struct device *dev, unsigned command)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ struct ads7846 *ts = dev_get_drvdata(dev);
+ struct ads7845_ser_req *req = kzalloc(sizeof *req, GFP_KERNEL);
+ int status;
+
+ if (!req)
+ return -ENOMEM;
+
+ spi_message_init(&req->msg);
+
+ req->command[0] = (u8) command;
+ req->xfer[0].tx_buf = req->command;
+ req->xfer[0].rx_buf = req->sample;
+ req->xfer[0].len = 3;
+ spi_message_add_tail(&req->xfer[0], &req->msg);
+
+ ts->irq_disabled = 1;
+ disable_irq(spi->irq);
+ status = spi_sync(spi, &req->msg);
+ ts->irq_disabled = 0;
+ enable_irq(spi->irq);
+
+ if (status == 0) {
+ /* BE12 value, then padding */
+ status = be16_to_cpu(*((u16 *)&req->sample[1]));
+ status = status >> 3;
+ status &= 0x0fff;
+ }
+
+ kfree(req);
+ return status;
+}
+
#if defined(CONFIG_HWMON) || defined(CONFIG_HWMON_MODULE)
#define SHOW(name, var, adjust) static ssize_t \
@@ -540,10 +587,17 @@ static void ads7846_rx(void *ads)
/* ads7846_rx_val() did in-place conversion (including byteswap) from
* on-the-wire format as part of debouncing to get stable readings.
*/
- x = packet->tc.x;
- y = packet->tc.y;
- z1 = packet->tc.z1;
- z2 = packet->tc.z2;
+ if (ts->model == 7845) {
+ x = *(u16 *)packet->tc.x_buf;
+ y = *(u16 *)packet->tc.y_buf;
+ z1 = 0;
+ z2 = 0;
+ } else {
+ x = packet->tc.x;
+ y = packet->tc.y;
+ z1 = packet->tc.z1;
+ z2 = packet->tc.z2;
+ }
/* range filtering */
if (x == MAX_12BIT)
@@ -551,6 +605,12 @@ static void ads7846_rx(void *ads)
if (ts->model == 7843) {
Rt = ts->pressure_max / 2;
+ } else if (ts->model == 7845) {
+ if (get_pendown_state(ts))
+ Rt = ts->pressure_max / 2;
+ else
+ Rt = 0;
+ dev_vdbg(&ts->spi->dev, "x/y: %d/%d, PD %d\n", x, y, Rt);
} else if (likely(x && z1)) {
/* compute touch pressure resistance using equation #2 */
Rt = z2;
@@ -671,10 +731,14 @@ static void ads7846_rx_val(void *ads)
m = &ts->msg[ts->msg_idx];
t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
- /* adjust: on-wire is a must-ignore bit, a BE12 value, then padding;
- * built from two 8 bit values written msb-first.
- */
- val = be16_to_cpup((__be16 *)t->rx_buf) >> 3;
+ if (ts->model == 7845) {
+ val = be16_to_cpup((__be16 *)&(((char*)t->rx_buf)[1])) >> 3;
+ } else {
+ /* adjust: on-wire is a must-ignore bit, a BE12 value, then
+ * padding; built from two 8 bit values written msb-first.
+ */
+ val = be16_to_cpup((__be16 *)t->rx_buf) >> 3;
+ }
action = ts->filter(ts->filter_data, ts->msg_idx, &val);
switch (action) {
@@ -878,14 +942,15 @@ static int __devinit setup_pendown(struct spi_device *spi, struct ads7846 *ts)
static int __devinit ads7846_probe(struct spi_device *spi)
{
- struct ads7846 *ts;
- struct ads7846_packet *packet;
- struct input_dev *input_dev;
- struct ads7846_platform_data *pdata = spi->dev.platform_data;
- struct spi_message *m;
- struct spi_transfer *x;
- int vref;
- int err;
+ struct ads7846 *ts;
+ struct ads7846_packet *packet;
+ struct input_dev *input_dev;
+ const struct ads7846_platform_data *pdata = spi->dev.platform_data;
+ struct spi_message *m;
+ struct spi_transfer *x;
+ unsigned long irq_flags;
+ int vref;
+ int err;
if (!spi->irq) {
dev_dbg(&spi->dev, "no IRQ?\n");
@@ -1008,16 +1073,26 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
- /* y- still on; turn on only y+ (and ADC) */
- packet->read_y = READ_Y(vref);
- x->tx_buf = &packet->read_y;
- x->len = 1;
- spi_message_add_tail(x, m);
+ if (ts->model == 7845) {
+ packet->read_y_cmd[0] = READ_Y(vref);
+ packet->read_y_cmd[1] = 0;
+ packet->read_y_cmd[2] = 0;
+ x->tx_buf = &packet->read_y_cmd[0];
+ x->rx_buf = &packet->tc.y_buf[0];
+ x->len = 3;
+ spi_message_add_tail(x, m);
+ } else {
+ /* y- still on; turn on only y+ (and ADC) */
+ packet->read_y = READ_Y(vref);
+ x->tx_buf = &packet->read_y;
+ x->len = 1;
+ spi_message_add_tail(x, m);
- x++;
- x->rx_buf = &packet->tc.y;
- x->len = 2;
- spi_message_add_tail(x, m);
+ x++;
+ x->rx_buf = &packet->tc.y;
+ x->len = 2;
+ spi_message_add_tail(x, m);
+ }
/* the first sample after switching drivers can be low quality;
* optionally discard it, using a second one after the signals
@@ -1043,17 +1118,28 @@ static int __devinit ads7846_probe(struct spi_device *spi)
m++;
spi_message_init(m);
- /* turn y- off, x+ on, then leave in lowpower */
- x++;
- packet->read_x = READ_X(vref);
- x->tx_buf = &packet->read_x;
- x->len = 1;
- spi_message_add_tail(x, m);
+ if (ts->model == 7845) {
+ x++;
+ packet->read_x_cmd[0] = READ_X(vref);
+ packet->read_x_cmd[1] = 0;
+ packet->read_x_cmd[2] = 0;
+ x->tx_buf = &packet->read_x_cmd[0];
+ x->rx_buf = &packet->tc.x_buf[0];
+ x->len = 3;
+ spi_message_add_tail(x, m);
+ } else {
+ /* turn y- off, x+ on, then leave in lowpower */
+ x++;
+ packet->read_x = READ_X(vref);
+ x->tx_buf = &packet->read_x;
+ x->len = 1;
+ spi_message_add_tail(x, m);
- x++;
- x->rx_buf = &packet->tc.x;
- x->len = 2;
- spi_message_add_tail(x, m);
+ x++;
+ x->rx_buf = &packet->tc.x;
+ x->len = 2;
+ spi_message_add_tail(x, m);
+ }
/* ... maybe discard first sample ... */
if (pdata->settle_delay_usecs) {
@@ -1144,15 +1230,25 @@ static int __devinit ads7846_probe(struct spi_device *spi)
m++;
spi_message_init(m);
- x++;
- packet->pwrdown = PWRDOWN;
- x->tx_buf = &packet->pwrdown;
- x->len = 1;
- spi_message_add_tail(x, m);
+ if (ts->model == 7845) {
+ x++;
+ packet->pwrdown_cmd[0] = PWRDOWN;
+ packet->pwrdown_cmd[1] = 0;
+ packet->pwrdown_cmd[2] = 0;
+ x->tx_buf = &packet->pwrdown_cmd[0];
+ x->len = 3;
+ } else {
+ x++;
+ packet->pwrdown = PWRDOWN;
+ x->tx_buf = &packet->pwrdown;
+ x->len = 1;
+ spi_message_add_tail(x, m);
+
+ x++;
+ x->rx_buf = &packet->dummy;
+ x->len = 2;
+ }
- x++;
- x->rx_buf = &packet->dummy;
- x->len = 2;
CS_CHANGE(*x);
spi_message_add_tail(x, m);
@@ -1174,17 +1270,22 @@ static int __devinit ads7846_probe(struct spi_device *spi)
goto err_put_regulator;
}
- if (request_irq(spi->irq, ads7846_irq, IRQF_TRIGGER_FALLING,
- spi->dev.driver->name, ts)) {
+ irq_flags = pdata->irq_flags ? : IRQF_TRIGGER_FALLING;
+
+ err = request_irq(spi->irq, ads7846_irq, irq_flags,
+ spi->dev.driver->name, ts);
+
+ if (err && !pdata->irq_flags) {
dev_info(&spi->dev,
"trying pin change workaround on irq %d\n", spi->irq);
err = request_irq(spi->irq, ads7846_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
spi->dev.driver->name, ts);
- if (err) {
- dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
- goto err_disable_regulator;
- }
+ }
+
+ if (err) {
+ dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
+ goto err_disable_regulator;
}
err = ads784x_hwmon_register(spi, ts);
@@ -1196,8 +1297,11 @@ static int __devinit ads7846_probe(struct spi_device *spi)
/* take a first sample, leaving nPENIRQ active and vREF off; avoid
* the touchscreen, in case it's not connected.
*/
- (void) ads7846_read12_ser(&spi->dev,
- READ_12BIT_SER(vaux) | ADS_PD10_ALL_ON);
+ if (ts->model == 7845)
+ ads7845_read12_ser(&spi->dev, PWRDOWN);
+ else
+ (void) ads7846_read12_ser(&spi->dev,
+ READ_12BIT_SER(vaux) | ADS_PD10_ALL_ON);
err = sysfs_create_group(&spi->dev.kobj, &ads784x_attr_group);
if (err)
diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c
new file mode 100644
index 000000000000..4eb7df0b7f87
--- /dev/null
+++ b/drivers/input/touchscreen/cy8ctmg110_ts.c
@@ -0,0 +1,363 @@
+/*
+ * Driver for cypress touch screen controller
+ *
+ * Copyright (c) 2009 Aava Mobile
+ *
+ * Some cleanups by Alan Cox <alan@linux.intel.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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/input.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/input/cy8ctmg110_pdata.h>
+
+#define CY8CTMG110_DRIVER_NAME "cy8ctmg110"
+
+/* Touch coordinates */
+#define CY8CTMG110_X_MIN 0
+#define CY8CTMG110_Y_MIN 0
+#define CY8CTMG110_X_MAX 759
+#define CY8CTMG110_Y_MAX 465
+
+
+/* cy8ctmg110 register definitions */
+#define CY8CTMG110_TOUCH_WAKEUP_TIME 0
+#define CY8CTMG110_TOUCH_SLEEP_TIME 2
+#define CY8CTMG110_TOUCH_X1 3
+#define CY8CTMG110_TOUCH_Y1 5
+#define CY8CTMG110_TOUCH_X2 7
+#define CY8CTMG110_TOUCH_Y2 9
+#define CY8CTMG110_FINGERS 11
+#define CY8CTMG110_GESTURE 12
+#define CY8CTMG110_REG_MAX 13
+
+
+/*
+ * The touch driver structure.
+ */
+struct cy8ctmg110 {
+ struct input_dev *input;
+ char phys[32];
+ struct i2c_client *client;
+ int reset_pin;
+ int irq_pin;
+};
+
+/*
+ * cy8ctmg110_power is the routine that is called when touch hardware
+ * will powered off or on.
+ */
+static void cy8ctmg110_power(struct cy8ctmg110 *ts, bool poweron)
+{
+ if (ts->reset_pin)
+ gpio_direction_output(ts->reset_pin, 1 - poweron);
+}
+
+static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg,
+ unsigned char len, unsigned char *value)
+{
+ struct i2c_client *client = tsc->client;
+ unsigned int ret;
+ unsigned char i2c_data[6];
+
+ BUG_ON(len > 5);
+
+ i2c_data[0] = reg;
+ memcpy(i2c_data + 1, value, len);
+
+ ret = i2c_master_send(client, i2c_data, len + 1);
+ if (ret != 1) {
+ dev_err(&client->dev, "i2c write data cmd failed\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int cy8ctmg110_read_regs(struct cy8ctmg110 *tsc,
+ unsigned char *data, unsigned char len, unsigned char cmd)
+{
+ struct i2c_client *client = tsc->client;
+ unsigned int ret;
+ struct i2c_msg msg[2] = {
+ /* first write slave position to i2c devices */
+ { client->addr, 0, 1, &cmd },
+ /* Second read data from position */
+ { client->addr, I2C_M_RD, len, data }
+ };
+
+ ret = i2c_transfer(client->adapter, msg, 2);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc)
+{
+ struct input_dev *input = tsc->input;
+ unsigned char reg_p[CY8CTMG110_REG_MAX];
+ int x, y;
+
+ memset(reg_p, 0, CY8CTMG110_REG_MAX);
+
+ /* Reading coordinates */
+ if (cy8ctmg110_read_regs(tsc, reg_p, 9, CY8CTMG110_TOUCH_X1) != 0)
+ return -EIO;
+
+ y = reg_p[2] << 8 | reg_p[3];
+ x = reg_p[0] << 8 | reg_p[1];
+
+ /* Number of touch */
+ if (reg_p[8] == 0) {
+ input_report_key(input, BTN_TOUCH, 0);
+ } else {
+ input_report_key(input, BTN_TOUCH, 1);
+ input_report_abs(input, ABS_X, x);
+ input_report_abs(input, ABS_Y, y);
+ }
+
+ input_sync(input);
+
+ return 0;
+}
+
+static int cy8ctmg110_set_sleepmode(struct cy8ctmg110 *ts, bool sleep)
+{
+ unsigned char reg_p[3];
+
+ if (sleep) {
+ reg_p[0] = 0x00;
+ reg_p[1] = 0xff;
+ reg_p[2] = 5;
+ } else {
+ reg_p[0] = 0x10;
+ reg_p[1] = 0xff;
+ reg_p[2] = 0;
+ }
+
+ return cy8ctmg110_write_regs(ts, CY8CTMG110_TOUCH_WAKEUP_TIME, 3, reg_p);
+}
+
+static irqreturn_t cy8ctmg110_irq_thread(int irq, void *dev_id)
+{
+ struct cy8ctmg110 *tsc = dev_id;
+
+ cy8ctmg110_touch_pos(tsc);
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit cy8ctmg110_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ const struct cy8ctmg110_pdata *pdata = client->dev.platform_data;
+ struct cy8ctmg110 *ts;
+ struct input_dev *input_dev;
+ int err;
+
+ /* No pdata no way forward */
+ if (pdata == NULL) {
+ dev_err(&client->dev, "no pdata\n");
+ return -ENODEV;
+ }
+
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_READ_WORD_DATA))
+ return -EIO;
+
+ ts = kzalloc(sizeof(struct cy8ctmg110), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!ts || !input_dev) {
+ err = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ ts->client = client;
+ ts->input = input_dev;
+
+ snprintf(ts->phys, sizeof(ts->phys),
+ "%s/input0", dev_name(&client->dev));
+
+ input_dev->name = CY8CTMG110_DRIVER_NAME " Touchscreen";
+ input_dev->phys = ts->phys;
+ input_dev->id.bustype = BUS_I2C;
+ input_dev->dev.parent = &client->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_set_abs_params(input_dev, ABS_X,
+ CY8CTMG110_X_MIN, CY8CTMG110_X_MAX, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y,
+ CY8CTMG110_Y_MIN, CY8CTMG110_Y_MAX, 0, 0);
+
+ if (ts->reset_pin) {
+ err = gpio_request(ts->reset_pin, NULL);
+ if (err) {
+ dev_err(&client->dev,
+ "Unable to request GPIO pin %d.\n",
+ ts->reset_pin);
+ goto err_free_mem;
+ }
+ }
+
+ cy8ctmg110_power(ts, true);
+ cy8ctmg110_set_sleepmode(ts, false);
+
+ err = gpio_request(ts->irq_pin, "touch_irq_key");
+ if (err < 0) {
+ dev_err(&client->dev,
+ "Failed to request GPIO %d, error %d\n",
+ ts->irq_pin, err);
+ goto err_shutoff_device;
+ }
+
+ err = gpio_direction_input(ts->irq_pin);
+ if (err < 0) {
+ dev_err(&client->dev,
+ "Failed to configure input direction for GPIO %d, error %d\n",
+ ts->irq_pin, err);
+ goto err_free_irq_gpio;
+ }
+
+ client->irq = gpio_to_irq(ts->irq_pin);
+ if (client->irq < 0) {
+ err = client->irq;
+ dev_err(&client->dev,
+ "Unable to get irq number for GPIO %d, error %d\n",
+ ts->irq_pin, err);
+ goto err_free_irq_gpio;
+ }
+
+ err = request_threaded_irq(client->irq, NULL, cy8ctmg110_irq_thread,
+ IRQF_TRIGGER_RISING, "touch_reset_key", ts);
+ if (err < 0) {
+ dev_err(&client->dev,
+ "irq %d busy? error %d\n", client->irq, err);
+ goto err_free_irq_gpio;
+ }
+
+ err = input_register_device(input_dev);
+ if (err)
+ 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_irq_gpio:
+ gpio_free(ts->irq_pin);
+err_shutoff_device:
+ cy8ctmg110_set_sleepmode(ts, true);
+ cy8ctmg110_power(ts, false);
+ if (ts->reset_pin)
+ gpio_free(ts->reset_pin);
+err_free_mem:
+ input_free_device(input_dev);
+ kfree(ts);
+ return err;
+}
+
+#ifdef CONFIG_PM
+static int cy8ctmg110_suspend(struct i2c_client *client, pm_message_t mesg)
+{
+ struct cy8ctmg110 *ts = i2c_get_clientdata(client);
+
+ if (device_may_wakeup(&client->dev))
+ enable_irq_wake(client->irq);
+ else {
+ cy8ctmg110_set_sleepmode(ts, true);
+ cy8ctmg110_power(ts, false);
+ }
+ return 0;
+}
+
+static int cy8ctmg110_resume(struct i2c_client *client)
+{
+ struct cy8ctmg110 *ts = i2c_get_clientdata(client);
+
+ if (device_may_wakeup(&client->dev))
+ disable_irq_wake(client->irq);
+ else {
+ cy8ctmg110_power(ts, true);
+ cy8ctmg110_set_sleepmode(ts, false);
+ }
+ return 0;
+}
+#endif
+
+static int __devexit cy8ctmg110_remove(struct i2c_client *client)
+{
+ struct cy8ctmg110 *ts = i2c_get_clientdata(client);
+
+ cy8ctmg110_set_sleepmode(ts, true);
+ cy8ctmg110_power(ts, false);
+
+ free_irq(client->irq, ts);
+ input_unregister_device(ts->input);
+ gpio_free(ts->irq_pin);
+ if (ts->reset_pin)
+ gpio_free(ts->reset_pin);
+ kfree(ts);
+
+ return 0;
+}
+
+static struct i2c_device_id cy8ctmg110_idtable[] = {
+ { CY8CTMG110_DRIVER_NAME, 1 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(i2c, cy8ctmg110_idtable);
+
+static struct i2c_driver cy8ctmg110_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = CY8CTMG110_DRIVER_NAME,
+ },
+ .id_table = cy8ctmg110_idtable,
+ .probe = cy8ctmg110_probe,
+ .remove = __devexit_p(cy8ctmg110_remove),
+#ifdef CONFIG_PM
+ .suspend = cy8ctmg110_suspend,
+ .resume = cy8ctmg110_resume,
+#endif
+};
+
+static int __init cy8ctmg110_init(void)
+{
+ return i2c_add_driver(&cy8ctmg110_driver);
+}
+
+static void __exit cy8ctmg110_exit(void)
+{
+ i2c_del_driver(&cy8ctmg110_driver);
+}
+
+module_init(cy8ctmg110_init);
+module_exit(cy8ctmg110_exit);
+
+MODULE_AUTHOR("Samuli Konttila <samuli.konttila@aavamobile.com>");
+MODULE_DESCRIPTION("cy8ctmg110 TouchScreen Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/input/touchscreen/mcs5000_ts.c b/drivers/input/touchscreen/mcs5000_ts.c
index 1fb0c2f06a44..6ee9940aaf5b 100644
--- a/drivers/input/touchscreen/mcs5000_ts.c
+++ b/drivers/input/touchscreen/mcs5000_ts.c
@@ -16,7 +16,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
-#include <linux/i2c/mcs5000_ts.h>
+#include <linux/i2c/mcs.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/irq.h>
@@ -105,7 +105,7 @@ enum mcs5000_ts_read_offset {
struct mcs5000_ts_data {
struct i2c_client *client;
struct input_dev *input_dev;
- const struct mcs5000_ts_platform_data *platform_data;
+ const struct mcs_platform_data *platform_data;
};
static irqreturn_t mcs5000_ts_interrupt(int irq, void *dev_id)
@@ -164,7 +164,7 @@ static irqreturn_t mcs5000_ts_interrupt(int irq, void *dev_id)
static void mcs5000_ts_phys_init(struct mcs5000_ts_data *data)
{
- const struct mcs5000_ts_platform_data *platform_data =
+ const struct mcs_platform_data *platform_data =
data->platform_data;
struct i2c_client *client = data->client;
diff --git a/drivers/input/touchscreen/qt602240_ts.c b/drivers/input/touchscreen/qt602240_ts.c
new file mode 100644
index 000000000000..66b26ad3032a
--- /dev/null
+++ b/drivers/input/touchscreen/qt602240_ts.c
@@ -0,0 +1,1401 @@
+/*
+ * AT42QT602240/ATMXT224 Touchscreen driver
+ *
+ * Copyright (C) 2010 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/i2c.h>
+#include <linux/i2c/qt602240_ts.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+
+/* Version */
+#define QT602240_VER_20 20
+#define QT602240_VER_21 21
+#define QT602240_VER_22 22
+
+/* Slave addresses */
+#define QT602240_APP_LOW 0x4a
+#define QT602240_APP_HIGH 0x4b
+#define QT602240_BOOT_LOW 0x24
+#define QT602240_BOOT_HIGH 0x25
+
+/* Firmware */
+#define QT602240_FW_NAME "qt602240.fw"
+
+/* Registers */
+#define QT602240_FAMILY_ID 0x00
+#define QT602240_VARIANT_ID 0x01
+#define QT602240_VERSION 0x02
+#define QT602240_BUILD 0x03
+#define QT602240_MATRIX_X_SIZE 0x04
+#define QT602240_MATRIX_Y_SIZE 0x05
+#define QT602240_OBJECT_NUM 0x06
+#define QT602240_OBJECT_START 0x07
+
+#define QT602240_OBJECT_SIZE 6
+
+/* Object types */
+#define QT602240_DEBUG_DIAGNOSTIC 37
+#define QT602240_GEN_MESSAGE 5
+#define QT602240_GEN_COMMAND 6
+#define QT602240_GEN_POWER 7
+#define QT602240_GEN_ACQUIRE 8
+#define QT602240_TOUCH_MULTI 9
+#define QT602240_TOUCH_KEYARRAY 15
+#define QT602240_TOUCH_PROXIMITY 23
+#define QT602240_PROCI_GRIPFACE 20
+#define QT602240_PROCG_NOISE 22
+#define QT602240_PROCI_ONETOUCH 24
+#define QT602240_PROCI_TWOTOUCH 27
+#define QT602240_SPT_COMMSCONFIG 18 /* firmware ver 21 over */
+#define QT602240_SPT_GPIOPWM 19
+#define QT602240_SPT_SELFTEST 25
+#define QT602240_SPT_CTECONFIG 28
+#define QT602240_SPT_USERDATA 38 /* firmware ver 21 over */
+
+/* QT602240_GEN_COMMAND field */
+#define QT602240_COMMAND_RESET 0
+#define QT602240_COMMAND_BACKUPNV 1
+#define QT602240_COMMAND_CALIBRATE 2
+#define QT602240_COMMAND_REPORTALL 3
+#define QT602240_COMMAND_DIAGNOSTIC 5
+
+/* QT602240_GEN_POWER field */
+#define QT602240_POWER_IDLEACQINT 0
+#define QT602240_POWER_ACTVACQINT 1
+#define QT602240_POWER_ACTV2IDLETO 2
+
+/* QT602240_GEN_ACQUIRE field */
+#define QT602240_ACQUIRE_CHRGTIME 0
+#define QT602240_ACQUIRE_TCHDRIFT 2
+#define QT602240_ACQUIRE_DRIFTST 3
+#define QT602240_ACQUIRE_TCHAUTOCAL 4
+#define QT602240_ACQUIRE_SYNC 5
+#define QT602240_ACQUIRE_ATCHCALST 6
+#define QT602240_ACQUIRE_ATCHCALSTHR 7
+
+/* QT602240_TOUCH_MULTI field */
+#define QT602240_TOUCH_CTRL 0
+#define QT602240_TOUCH_XORIGIN 1
+#define QT602240_TOUCH_YORIGIN 2
+#define QT602240_TOUCH_XSIZE 3
+#define QT602240_TOUCH_YSIZE 4
+#define QT602240_TOUCH_BLEN 6
+#define QT602240_TOUCH_TCHTHR 7
+#define QT602240_TOUCH_TCHDI 8
+#define QT602240_TOUCH_ORIENT 9
+#define QT602240_TOUCH_MOVHYSTI 11
+#define QT602240_TOUCH_MOVHYSTN 12
+#define QT602240_TOUCH_NUMTOUCH 14
+#define QT602240_TOUCH_MRGHYST 15
+#define QT602240_TOUCH_MRGTHR 16
+#define QT602240_TOUCH_AMPHYST 17
+#define QT602240_TOUCH_XRANGE_LSB 18
+#define QT602240_TOUCH_XRANGE_MSB 19
+#define QT602240_TOUCH_YRANGE_LSB 20
+#define QT602240_TOUCH_YRANGE_MSB 21
+#define QT602240_TOUCH_XLOCLIP 22
+#define QT602240_TOUCH_XHICLIP 23
+#define QT602240_TOUCH_YLOCLIP 24
+#define QT602240_TOUCH_YHICLIP 25
+#define QT602240_TOUCH_XEDGECTRL 26
+#define QT602240_TOUCH_XEDGEDIST 27
+#define QT602240_TOUCH_YEDGECTRL 28
+#define QT602240_TOUCH_YEDGEDIST 29
+#define QT602240_TOUCH_JUMPLIMIT 30 /* firmware ver 22 over */
+
+/* QT602240_PROCI_GRIPFACE field */
+#define QT602240_GRIPFACE_CTRL 0
+#define QT602240_GRIPFACE_XLOGRIP 1
+#define QT602240_GRIPFACE_XHIGRIP 2
+#define QT602240_GRIPFACE_YLOGRIP 3
+#define QT602240_GRIPFACE_YHIGRIP 4
+#define QT602240_GRIPFACE_MAXTCHS 5
+#define QT602240_GRIPFACE_SZTHR1 7
+#define QT602240_GRIPFACE_SZTHR2 8
+#define QT602240_GRIPFACE_SHPTHR1 9
+#define QT602240_GRIPFACE_SHPTHR2 10
+#define QT602240_GRIPFACE_SUPEXTTO 11
+
+/* QT602240_PROCI_NOISE field */
+#define QT602240_NOISE_CTRL 0
+#define QT602240_NOISE_OUTFLEN 1
+#define QT602240_NOISE_GCAFUL_LSB 3
+#define QT602240_NOISE_GCAFUL_MSB 4
+#define QT602240_NOISE_GCAFLL_LSB 5
+#define QT602240_NOISE_GCAFLL_MSB 6
+#define QT602240_NOISE_ACTVGCAFVALID 7
+#define QT602240_NOISE_NOISETHR 8
+#define QT602240_NOISE_FREQHOPSCALE 10
+#define QT602240_NOISE_FREQ0 11
+#define QT602240_NOISE_FREQ1 12
+#define QT602240_NOISE_FREQ2 13
+#define QT602240_NOISE_FREQ3 14
+#define QT602240_NOISE_FREQ4 15
+#define QT602240_NOISE_IDLEGCAFVALID 16
+
+/* QT602240_SPT_COMMSCONFIG */
+#define QT602240_COMMS_CTRL 0
+#define QT602240_COMMS_CMD 1
+
+/* QT602240_SPT_CTECONFIG field */
+#define QT602240_CTE_CTRL 0
+#define QT602240_CTE_CMD 1
+#define QT602240_CTE_MODE 2
+#define QT602240_CTE_IDLEGCAFDEPTH 3
+#define QT602240_CTE_ACTVGCAFDEPTH 4
+#define QT602240_CTE_VOLTAGE 5 /* firmware ver 21 over */
+
+#define QT602240_VOLTAGE_DEFAULT 2700000
+#define QT602240_VOLTAGE_STEP 10000
+
+/* Define for QT602240_GEN_COMMAND */
+#define QT602240_BOOT_VALUE 0xa5
+#define QT602240_BACKUP_VALUE 0x55
+#define QT602240_BACKUP_TIME 25 /* msec */
+#define QT602240_RESET_TIME 65 /* msec */
+
+#define QT602240_FWRESET_TIME 175 /* msec */
+
+/* Command to unlock bootloader */
+#define QT602240_UNLOCK_CMD_MSB 0xaa
+#define QT602240_UNLOCK_CMD_LSB 0xdc
+
+/* Bootloader mode status */
+#define QT602240_WAITING_BOOTLOAD_CMD 0xc0 /* valid 7 6 bit only */
+#define QT602240_WAITING_FRAME_DATA 0x80 /* valid 7 6 bit only */
+#define QT602240_FRAME_CRC_CHECK 0x02
+#define QT602240_FRAME_CRC_FAIL 0x03
+#define QT602240_FRAME_CRC_PASS 0x04
+#define QT602240_APP_CRC_FAIL 0x40 /* valid 7 8 bit only */
+#define QT602240_BOOT_STATUS_MASK 0x3f
+
+/* Touch status */
+#define QT602240_SUPPRESS (1 << 1)
+#define QT602240_AMP (1 << 2)
+#define QT602240_VECTOR (1 << 3)
+#define QT602240_MOVE (1 << 4)
+#define QT602240_RELEASE (1 << 5)
+#define QT602240_PRESS (1 << 6)
+#define QT602240_DETECT (1 << 7)
+
+/* Touchscreen absolute values */
+#define QT602240_MAX_XC 0x3ff
+#define QT602240_MAX_YC 0x3ff
+#define QT602240_MAX_AREA 0xff
+
+#define QT602240_MAX_FINGER 10
+
+/* Initial register values recommended from chip vendor */
+static const u8 init_vals_ver_20[] = {
+ /* QT602240_GEN_COMMAND(6) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_GEN_POWER(7) */
+ 0x20, 0xff, 0x32,
+ /* QT602240_GEN_ACQUIRE(8) */
+ 0x08, 0x05, 0x05, 0x00, 0x00, 0x00, 0x05, 0x14,
+ /* QT602240_TOUCH_MULTI(9) */
+ 0x00, 0x00, 0x00, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x02, 0x00,
+ 0x00, 0x01, 0x01, 0x0e, 0x0a, 0x0a, 0x0a, 0x0a, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x64,
+ /* QT602240_TOUCH_KEYARRAY(15) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00,
+ /* QT602240_SPT_GPIOPWM(19) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00,
+ /* QT602240_PROCI_GRIPFACE(20) */
+ 0x00, 0x64, 0x64, 0x64, 0x64, 0x00, 0x00, 0x1e, 0x14, 0x04,
+ 0x1e, 0x00,
+ /* QT602240_PROCG_NOISE(22) */
+ 0x05, 0x00, 0x00, 0x19, 0x00, 0xe7, 0xff, 0x04, 0x32, 0x00,
+ 0x01, 0x0a, 0x0f, 0x14, 0x00, 0x00, 0xe8,
+ /* QT602240_TOUCH_PROXIMITY(23) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00,
+ /* QT602240_PROCI_ONETOUCH(24) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_SPT_SELFTEST(25) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_PROCI_TWOTOUCH(27) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_SPT_CTECONFIG(28) */
+ 0x00, 0x00, 0x00, 0x04, 0x08,
+};
+
+static const u8 init_vals_ver_21[] = {
+ /* QT602240_GEN_COMMAND(6) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_GEN_POWER(7) */
+ 0x20, 0xff, 0x32,
+ /* QT602240_GEN_ACQUIRE(8) */
+ 0x0a, 0x00, 0x05, 0x00, 0x00, 0x00, 0x09, 0x23,
+ /* QT602240_TOUCH_MULTI(9) */
+ 0x00, 0x00, 0x00, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x02, 0x00,
+ 0x00, 0x01, 0x01, 0x0e, 0x0a, 0x0a, 0x0a, 0x0a, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_TOUCH_KEYARRAY(15) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00,
+ /* QT602240_SPT_GPIOPWM(19) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_PROCI_GRIPFACE(20) */
+ 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x28, 0x04,
+ 0x0f, 0x0a,
+ /* QT602240_PROCG_NOISE(22) */
+ 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x23, 0x00,
+ 0x00, 0x05, 0x0f, 0x19, 0x23, 0x2d, 0x03,
+ /* QT602240_TOUCH_PROXIMITY(23) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00,
+ /* QT602240_PROCI_ONETOUCH(24) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_SPT_SELFTEST(25) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_PROCI_TWOTOUCH(27) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_SPT_CTECONFIG(28) */
+ 0x00, 0x00, 0x00, 0x08, 0x10, 0x00,
+};
+
+static const u8 init_vals_ver_22[] = {
+ /* QT602240_GEN_COMMAND(6) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_GEN_POWER(7) */
+ 0x20, 0xff, 0x32,
+ /* QT602240_GEN_ACQUIRE(8) */
+ 0x0a, 0x00, 0x05, 0x00, 0x00, 0x00, 0x09, 0x23,
+ /* QT602240_TOUCH_MULTI(9) */
+ 0x00, 0x00, 0x00, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x02, 0x00,
+ 0x00, 0x01, 0x01, 0x0e, 0x0a, 0x0a, 0x0a, 0x0a, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00,
+ /* QT602240_TOUCH_KEYARRAY(15) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00,
+ /* QT602240_SPT_GPIOPWM(19) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_PROCI_GRIPFACE(20) */
+ 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x28, 0x04,
+ 0x0f, 0x0a,
+ /* QT602240_PROCG_NOISE(22) */
+ 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x23, 0x00,
+ 0x00, 0x05, 0x0f, 0x19, 0x23, 0x2d, 0x03,
+ /* QT602240_TOUCH_PROXIMITY(23) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_PROCI_ONETOUCH(24) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_SPT_SELFTEST(25) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_PROCI_TWOTOUCH(27) */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* QT602240_SPT_CTECONFIG(28) */
+ 0x00, 0x00, 0x00, 0x08, 0x10, 0x00,
+};
+
+struct qt602240_info {
+ u8 family_id;
+ u8 variant_id;
+ u8 version;
+ u8 build;
+ u8 matrix_xsize;
+ u8 matrix_ysize;
+ u8 object_num;
+};
+
+struct qt602240_object {
+ u8 type;
+ u16 start_address;
+ u8 size;
+ u8 instances;
+ u8 num_report_ids;
+
+ /* to map object and message */
+ u8 max_reportid;
+};
+
+struct qt602240_message {
+ u8 reportid;
+ u8 message[7];
+ u8 checksum;
+};
+
+struct qt602240_finger {
+ int status;
+ int x;
+ int y;
+ int area;
+};
+
+/* Each client has this additional data */
+struct qt602240_data {
+ struct i2c_client *client;
+ struct input_dev *input_dev;
+ const struct qt602240_platform_data *pdata;
+ struct qt602240_object *object_table;
+ struct qt602240_info info;
+ struct qt602240_finger finger[QT602240_MAX_FINGER];
+ unsigned int irq;
+};
+
+static bool qt602240_object_readable(unsigned int type)
+{
+ switch (type) {
+ case QT602240_GEN_MESSAGE:
+ case QT602240_GEN_COMMAND:
+ case QT602240_GEN_POWER:
+ case QT602240_GEN_ACQUIRE:
+ case QT602240_TOUCH_MULTI:
+ case QT602240_TOUCH_KEYARRAY:
+ case QT602240_TOUCH_PROXIMITY:
+ case QT602240_PROCI_GRIPFACE:
+ case QT602240_PROCG_NOISE:
+ case QT602240_PROCI_ONETOUCH:
+ case QT602240_PROCI_TWOTOUCH:
+ case QT602240_SPT_COMMSCONFIG:
+ case QT602240_SPT_GPIOPWM:
+ case QT602240_SPT_SELFTEST:
+ case QT602240_SPT_CTECONFIG:
+ case QT602240_SPT_USERDATA:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool qt602240_object_writable(unsigned int type)
+{
+ switch (type) {
+ case QT602240_GEN_COMMAND:
+ case QT602240_GEN_POWER:
+ case QT602240_GEN_ACQUIRE:
+ case QT602240_TOUCH_MULTI:
+ case QT602240_TOUCH_KEYARRAY:
+ case QT602240_TOUCH_PROXIMITY:
+ case QT602240_PROCI_GRIPFACE:
+ case QT602240_PROCG_NOISE:
+ case QT602240_PROCI_ONETOUCH:
+ case QT602240_PROCI_TWOTOUCH:
+ case QT602240_SPT_GPIOPWM:
+ case QT602240_SPT_SELFTEST:
+ case QT602240_SPT_CTECONFIG:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static void qt602240_dump_message(struct device *dev,
+ struct qt602240_message *message)
+{
+ dev_dbg(dev, "reportid:\t0x%x\n", message->reportid);
+ dev_dbg(dev, "message1:\t0x%x\n", message->message[0]);
+ dev_dbg(dev, "message2:\t0x%x\n", message->message[1]);
+ dev_dbg(dev, "message3:\t0x%x\n", message->message[2]);
+ dev_dbg(dev, "message4:\t0x%x\n", message->message[3]);
+ dev_dbg(dev, "message5:\t0x%x\n", message->message[4]);
+ dev_dbg(dev, "message6:\t0x%x\n", message->message[5]);
+ dev_dbg(dev, "message7:\t0x%x\n", message->message[6]);
+ dev_dbg(dev, "checksum:\t0x%x\n", message->checksum);
+}
+
+static int qt602240_check_bootloader(struct i2c_client *client,
+ unsigned int state)
+{
+ u8 val;
+
+recheck:
+ if (i2c_master_recv(client, &val, 1) != 1) {
+ dev_err(&client->dev, "%s: i2c recv failed\n", __func__);
+ return -EIO;
+ }
+
+ switch (state) {
+ case QT602240_WAITING_BOOTLOAD_CMD:
+ case QT602240_WAITING_FRAME_DATA:
+ val &= ~QT602240_BOOT_STATUS_MASK;
+ break;
+ case QT602240_FRAME_CRC_PASS:
+ if (val == QT602240_FRAME_CRC_CHECK)
+ goto recheck;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (val != state) {
+ dev_err(&client->dev, "Unvalid bootloader mode state\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int qt602240_unlock_bootloader(struct i2c_client *client)
+{
+ u8 buf[2];
+
+ buf[0] = QT602240_UNLOCK_CMD_LSB;
+ buf[1] = QT602240_UNLOCK_CMD_MSB;
+
+ if (i2c_master_send(client, buf, 2) != 2) {
+ dev_err(&client->dev, "%s: i2c send failed\n", __func__);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int qt602240_fw_write(struct i2c_client *client,
+ const u8 *data, unsigned int frame_size)
+{
+ if (i2c_master_send(client, data, frame_size) != frame_size) {
+ dev_err(&client->dev, "%s: i2c send failed\n", __func__);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int __qt602240_read_reg(struct i2c_client *client,
+ u16 reg, u16 len, void *val)
+{
+ struct i2c_msg xfer[2];
+ u8 buf[2];
+
+ buf[0] = reg & 0xff;
+ buf[1] = (reg >> 8) & 0xff;
+
+ /* Write register */
+ xfer[0].addr = client->addr;
+ xfer[0].flags = 0;
+ xfer[0].len = 2;
+ xfer[0].buf = buf;
+
+ /* Read data */
+ xfer[1].addr = client->addr;
+ xfer[1].flags = I2C_M_RD;
+ xfer[1].len = len;
+ xfer[1].buf = val;
+
+ if (i2c_transfer(client->adapter, xfer, 2) != 2) {
+ dev_err(&client->dev, "%s: i2c transfer failed\n", __func__);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int qt602240_read_reg(struct i2c_client *client, u16 reg, u8 *val)
+{
+ return __qt602240_read_reg(client, reg, 1, val);
+}
+
+static int qt602240_write_reg(struct i2c_client *client, u16 reg, u8 val)
+{
+ u8 buf[3];
+
+ buf[0] = reg & 0xff;
+ buf[1] = (reg >> 8) & 0xff;
+ buf[2] = val;
+
+ if (i2c_master_send(client, buf, 3) != 3) {
+ dev_err(&client->dev, "%s: i2c send failed\n", __func__);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int qt602240_read_object_table(struct i2c_client *client,
+ u16 reg, u8 *object_buf)
+{
+ return __qt602240_read_reg(client, reg, QT602240_OBJECT_SIZE,
+ object_buf);
+}
+
+static struct qt602240_object *
+qt602240_get_object(struct qt602240_data *data, u8 type)
+{
+ struct qt602240_object *object;
+ int i;
+
+ for (i = 0; i < data->info.object_num; i++) {
+ object = data->object_table + i;
+ if (object->type == type)
+ return object;
+ }
+
+ dev_err(&data->client->dev, "Invalid object type\n");
+ return NULL;
+}
+
+static int qt602240_read_message(struct qt602240_data *data,
+ struct qt602240_message *message)
+{
+ struct qt602240_object *object;
+ u16 reg;
+
+ object = qt602240_get_object(data, QT602240_GEN_MESSAGE);
+ if (!object)
+ return -EINVAL;
+
+ reg = object->start_address;
+ return __qt602240_read_reg(data->client, reg,
+ sizeof(struct qt602240_message), message);
+}
+
+static int qt602240_read_object(struct qt602240_data *data,
+ u8 type, u8 offset, u8 *val)
+{
+ struct qt602240_object *object;
+ u16 reg;
+
+ object = qt602240_get_object(data, type);
+ if (!object)
+ return -EINVAL;
+
+ reg = object->start_address;
+ return __qt602240_read_reg(data->client, reg + offset, 1, val);
+}
+
+static int qt602240_write_object(struct qt602240_data *data,
+ u8 type, u8 offset, u8 val)
+{
+ struct qt602240_object *object;
+ u16 reg;
+
+ object = qt602240_get_object(data, type);
+ if (!object)
+ return -EINVAL;
+
+ reg = object->start_address;
+ return qt602240_write_reg(data->client, reg + offset, val);
+}
+
+static void qt602240_input_report(struct qt602240_data *data, int single_id)
+{
+ struct qt602240_finger *finger = data->finger;
+ struct input_dev *input_dev = data->input_dev;
+ int status = finger[single_id].status;
+ int finger_num = 0;
+ int id;
+
+ for (id = 0; id < QT602240_MAX_FINGER; id++) {
+ if (!finger[id].status)
+ continue;
+
+ input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR,
+ finger[id].status != QT602240_RELEASE ?
+ finger[id].area : 0);
+ input_report_abs(input_dev, ABS_MT_POSITION_X,
+ finger[id].x);
+ input_report_abs(input_dev, ABS_MT_POSITION_Y,
+ finger[id].y);
+ input_mt_sync(input_dev);
+
+ if (finger[id].status == QT602240_RELEASE)
+ finger[id].status = 0;
+ else
+ finger_num++;
+ }
+
+ input_report_key(input_dev, BTN_TOUCH, finger_num > 0);
+
+ if (status != QT602240_RELEASE) {
+ input_report_abs(input_dev, ABS_X, finger[single_id].x);
+ input_report_abs(input_dev, ABS_Y, finger[single_id].y);
+ }
+
+ input_sync(input_dev);
+}
+
+static void qt602240_input_touchevent(struct qt602240_data *data,
+ struct qt602240_message *message, int id)
+{
+ struct qt602240_finger *finger = data->finger;
+ struct device *dev = &data->client->dev;
+ u8 status = message->message[0];
+ int x;
+ int y;
+ int area;
+
+ /* Check the touch is present on the screen */
+ if (!(status & QT602240_DETECT)) {
+ if (status & QT602240_RELEASE) {
+ dev_dbg(dev, "[%d] released\n", id);
+
+ finger[id].status = QT602240_RELEASE;
+ qt602240_input_report(data, id);
+ }
+ return;
+ }
+
+ /* Check only AMP detection */
+ if (!(status & (QT602240_PRESS | QT602240_MOVE)))
+ return;
+
+ x = (message->message[1] << 2) | ((message->message[3] & ~0x3f) >> 6);
+ y = (message->message[2] << 2) | ((message->message[3] & ~0xf3) >> 2);
+ area = message->message[4];
+
+ dev_dbg(dev, "[%d] %s x: %d, y: %d, area: %d\n", id,
+ status & QT602240_MOVE ? "moved" : "pressed",
+ x, y, area);
+
+ finger[id].status = status & QT602240_MOVE ?
+ QT602240_MOVE : QT602240_PRESS;
+ finger[id].x = x;
+ finger[id].y = y;
+ finger[id].area = area;
+
+ qt602240_input_report(data, id);
+}
+
+static irqreturn_t qt602240_interrupt(int irq, void *dev_id)
+{
+ struct qt602240_data *data = dev_id;
+ struct qt602240_message message;
+ struct qt602240_object *object;
+ struct device *dev = &data->client->dev;
+ int id;
+ u8 reportid;
+ u8 max_reportid;
+ u8 min_reportid;
+
+ do {
+ if (qt602240_read_message(data, &message)) {
+ dev_err(dev, "Failed to read message\n");
+ goto end;
+ }
+
+ reportid = message.reportid;
+
+ /* whether reportid is thing of QT602240_TOUCH_MULTI */
+ object = qt602240_get_object(data, QT602240_TOUCH_MULTI);
+ if (!object)
+ goto end;
+
+ max_reportid = object->max_reportid;
+ min_reportid = max_reportid - object->num_report_ids + 1;
+ id = reportid - min_reportid;
+
+ if (reportid >= min_reportid && reportid <= max_reportid)
+ qt602240_input_touchevent(data, &message, id);
+ else
+ qt602240_dump_message(dev, &message);
+ } while (reportid != 0xff);
+
+end:
+ return IRQ_HANDLED;
+}
+
+static int qt602240_check_reg_init(struct qt602240_data *data)
+{
+ struct qt602240_object *object;
+ struct device *dev = &data->client->dev;
+ int index = 0;
+ int i, j;
+ u8 version = data->info.version;
+ u8 *init_vals;
+
+ switch (version) {
+ case QT602240_VER_20:
+ init_vals = (u8 *)init_vals_ver_20;
+ break;
+ case QT602240_VER_21:
+ init_vals = (u8 *)init_vals_ver_21;
+ break;
+ case QT602240_VER_22:
+ init_vals = (u8 *)init_vals_ver_22;
+ break;
+ default:
+ dev_err(dev, "Firmware version %d doesn't support\n", version);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < data->info.object_num; i++) {
+ object = data->object_table + i;
+
+ if (!qt602240_object_writable(object->type))
+ continue;
+
+ for (j = 0; j < object->size + 1; j++)
+ qt602240_write_object(data, object->type, j,
+ init_vals[index + j]);
+
+ index += object->size + 1;
+ }
+
+ return 0;
+}
+
+static int qt602240_check_matrix_size(struct qt602240_data *data)
+{
+ const struct qt602240_platform_data *pdata = data->pdata;
+ struct device *dev = &data->client->dev;
+ int mode = -1;
+ int error;
+ u8 val;
+
+ dev_dbg(dev, "Number of X lines: %d\n", pdata->x_line);
+ dev_dbg(dev, "Number of Y lines: %d\n", pdata->y_line);
+
+ switch (pdata->x_line) {
+ case 0 ... 15:
+ if (pdata->y_line <= 14)
+ mode = 0;
+ break;
+ case 16:
+ if (pdata->y_line <= 12)
+ mode = 1;
+ if (pdata->y_line == 13 || pdata->y_line == 14)
+ mode = 0;
+ break;
+ case 17:
+ if (pdata->y_line <= 11)
+ mode = 2;
+ if (pdata->y_line == 12 || pdata->y_line == 13)
+ mode = 1;
+ break;
+ case 18:
+ if (pdata->y_line <= 10)
+ mode = 3;
+ if (pdata->y_line == 11 || pdata->y_line == 12)
+ mode = 2;
+ break;
+ case 19:
+ if (pdata->y_line <= 9)
+ mode = 4;
+ if (pdata->y_line == 10 || pdata->y_line == 11)
+ mode = 3;
+ break;
+ case 20:
+ mode = 4;
+ }
+
+ if (mode < 0) {
+ dev_err(dev, "Invalid X/Y lines\n");
+ return -EINVAL;
+ }
+
+ error = qt602240_read_object(data, QT602240_SPT_CTECONFIG,
+ QT602240_CTE_MODE, &val);
+ if (error)
+ return error;
+
+ if (mode == val)
+ return 0;
+
+ /* Change the CTE configuration */
+ qt602240_write_object(data, QT602240_SPT_CTECONFIG,
+ QT602240_CTE_CTRL, 1);
+ qt602240_write_object(data, QT602240_SPT_CTECONFIG,
+ QT602240_CTE_MODE, mode);
+ qt602240_write_object(data, QT602240_SPT_CTECONFIG,
+ QT602240_CTE_CTRL, 0);
+
+ return 0;
+}
+
+static int qt602240_make_highchg(struct qt602240_data *data)
+{
+ struct device *dev = &data->client->dev;
+ int count = 10;
+ int error;
+ u8 val;
+
+ /* Read dummy message to make high CHG pin */
+ do {
+ error = qt602240_read_object(data, QT602240_GEN_MESSAGE, 0, &val);
+ if (error)
+ return error;
+ } while ((val != 0xff) && --count);
+
+ if (!count) {
+ dev_err(dev, "CHG pin isn't cleared\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+static void qt602240_handle_pdata(struct qt602240_data *data)
+{
+ const struct qt602240_platform_data *pdata = data->pdata;
+ u8 voltage;
+
+ /* Set touchscreen lines */
+ qt602240_write_object(data, QT602240_TOUCH_MULTI, QT602240_TOUCH_XSIZE,
+ pdata->x_line);
+ qt602240_write_object(data, QT602240_TOUCH_MULTI, QT602240_TOUCH_YSIZE,
+ pdata->y_line);
+
+ /* Set touchscreen orient */
+ qt602240_write_object(data, QT602240_TOUCH_MULTI, QT602240_TOUCH_ORIENT,
+ pdata->orient);
+
+ /* Set touchscreen burst length */
+ qt602240_write_object(data, QT602240_TOUCH_MULTI,
+ QT602240_TOUCH_BLEN, pdata->blen);
+
+ /* Set touchscreen threshold */
+ qt602240_write_object(data, QT602240_TOUCH_MULTI,
+ QT602240_TOUCH_TCHTHR, pdata->threshold);
+
+ /* Set touchscreen resolution */
+ qt602240_write_object(data, QT602240_TOUCH_MULTI,
+ QT602240_TOUCH_XRANGE_LSB, (pdata->x_size - 1) & 0xff);
+ qt602240_write_object(data, QT602240_TOUCH_MULTI,
+ QT602240_TOUCH_XRANGE_MSB, (pdata->x_size - 1) >> 8);
+ qt602240_write_object(data, QT602240_TOUCH_MULTI,
+ QT602240_TOUCH_YRANGE_LSB, (pdata->y_size - 1) & 0xff);
+ qt602240_write_object(data, QT602240_TOUCH_MULTI,
+ QT602240_TOUCH_YRANGE_MSB, (pdata->y_size - 1) >> 8);
+
+ /* Set touchscreen voltage */
+ if (data->info.version >= QT602240_VER_21 && pdata->voltage) {
+ if (pdata->voltage < QT602240_VOLTAGE_DEFAULT) {
+ voltage = (QT602240_VOLTAGE_DEFAULT - pdata->voltage) /
+ QT602240_VOLTAGE_STEP;
+ voltage = 0xff - voltage + 1;
+ } else
+ voltage = (pdata->voltage - QT602240_VOLTAGE_DEFAULT) /
+ QT602240_VOLTAGE_STEP;
+
+ qt602240_write_object(data, QT602240_SPT_CTECONFIG,
+ QT602240_CTE_VOLTAGE, voltage);
+ }
+}
+
+static int qt602240_get_info(struct qt602240_data *data)
+{
+ struct i2c_client *client = data->client;
+ struct qt602240_info *info = &data->info;
+ int error;
+ u8 val;
+
+ error = qt602240_read_reg(client, QT602240_FAMILY_ID, &val);
+ if (error)
+ return error;
+ info->family_id = val;
+
+ error = qt602240_read_reg(client, QT602240_VARIANT_ID, &val);
+ if (error)
+ return error;
+ info->variant_id = val;
+
+ error = qt602240_read_reg(client, QT602240_VERSION, &val);
+ if (error)
+ return error;
+ info->version = val;
+
+ error = qt602240_read_reg(client, QT602240_BUILD, &val);
+ if (error)
+ return error;
+ info->build = val;
+
+ error = qt602240_read_reg(client, QT602240_OBJECT_NUM, &val);
+ if (error)
+ return error;
+ info->object_num = val;
+
+ return 0;
+}
+
+static int qt602240_get_object_table(struct qt602240_data *data)
+{
+ int error;
+ int i;
+ u16 reg;
+ u8 reportid = 0;
+ u8 buf[QT602240_OBJECT_SIZE];
+
+ for (i = 0; i < data->info.object_num; i++) {
+ struct qt602240_object *object = data->object_table + i;
+
+ reg = QT602240_OBJECT_START + QT602240_OBJECT_SIZE * i;
+ error = qt602240_read_object_table(data->client, reg, buf);
+ if (error)
+ return error;
+
+ object->type = buf[0];
+ object->start_address = (buf[2] << 8) | buf[1];
+ object->size = buf[3];
+ object->instances = buf[4];
+ object->num_report_ids = buf[5];
+
+ if (object->num_report_ids) {
+ reportid += object->num_report_ids *
+ (object->instances + 1);
+ object->max_reportid = reportid;
+ }
+ }
+
+ return 0;
+}
+
+static int qt602240_initialize(struct qt602240_data *data)
+{
+ struct i2c_client *client = data->client;
+ struct qt602240_info *info = &data->info;
+ int error;
+ u8 val;
+
+ error = qt602240_get_info(data);
+ if (error)
+ return error;
+
+ data->object_table = kcalloc(info->object_num,
+ sizeof(struct qt602240_data),
+ GFP_KERNEL);
+ if (!data->object_table) {
+ dev_err(&client->dev, "Failed to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ /* Get object table information */
+ error = qt602240_get_object_table(data);
+ if (error)
+ return error;
+
+ /* Check register init values */
+ error = qt602240_check_reg_init(data);
+ if (error)
+ return error;
+
+ /* Check X/Y matrix size */
+ error = qt602240_check_matrix_size(data);
+ if (error)
+ return error;
+
+ error = qt602240_make_highchg(data);
+ if (error)
+ return error;
+
+ qt602240_handle_pdata(data);
+
+ /* Backup to memory */
+ qt602240_write_object(data, QT602240_GEN_COMMAND,
+ QT602240_COMMAND_BACKUPNV,
+ QT602240_BACKUP_VALUE);
+ msleep(QT602240_BACKUP_TIME);
+
+ /* Soft reset */
+ qt602240_write_object(data, QT602240_GEN_COMMAND,
+ QT602240_COMMAND_RESET, 1);
+ msleep(QT602240_RESET_TIME);
+
+ /* Update matrix size at info struct */
+ error = qt602240_read_reg(client, QT602240_MATRIX_X_SIZE, &val);
+ if (error)
+ return error;
+ info->matrix_xsize = val;
+
+ error = qt602240_read_reg(client, QT602240_MATRIX_Y_SIZE, &val);
+ if (error)
+ return error;
+ info->matrix_ysize = val;
+
+ dev_info(&client->dev,
+ "Family ID: %d Variant ID: %d Version: %d Build: %d\n",
+ info->family_id, info->variant_id, info->version,
+ info->build);
+
+ dev_info(&client->dev,
+ "Matrix X Size: %d Matrix Y Size: %d Object Num: %d\n",
+ info->matrix_xsize, info->matrix_ysize,
+ info->object_num);
+
+ return 0;
+}
+
+static ssize_t qt602240_object_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct qt602240_data *data = dev_get_drvdata(dev);
+ struct qt602240_object *object;
+ int count = 0;
+ int i, j;
+ int error;
+ u8 val;
+
+ for (i = 0; i < data->info.object_num; i++) {
+ object = data->object_table + i;
+
+ count += sprintf(buf + count,
+ "Object Table Element %d(Type %d)\n",
+ i + 1, object->type);
+
+ if (!qt602240_object_readable(object->type)) {
+ count += sprintf(buf + count, "\n");
+ continue;
+ }
+
+ for (j = 0; j < object->size + 1; j++) {
+ error = qt602240_read_object(data,
+ object->type, j, &val);
+ if (error)
+ return error;
+
+ count += sprintf(buf + count,
+ " Byte %d: 0x%x (%d)\n", j, val, val);
+ }
+
+ count += sprintf(buf + count, "\n");
+ }
+
+ return count;
+}
+
+static int qt602240_load_fw(struct device *dev, const char *fn)
+{
+ struct qt602240_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
+ const struct firmware *fw = NULL;
+ unsigned int frame_size;
+ unsigned int pos = 0;
+ int ret;
+
+ ret = request_firmware(&fw, fn, dev);
+ if (ret) {
+ dev_err(dev, "Unable to open firmware %s\n", fn);
+ return ret;
+ }
+
+ /* Change to the bootloader mode */
+ qt602240_write_object(data, QT602240_GEN_COMMAND,
+ QT602240_COMMAND_RESET, QT602240_BOOT_VALUE);
+ msleep(QT602240_RESET_TIME);
+
+ /* Change to slave address of bootloader */
+ if (client->addr == QT602240_APP_LOW)
+ client->addr = QT602240_BOOT_LOW;
+ else
+ client->addr = QT602240_BOOT_HIGH;
+
+ ret = qt602240_check_bootloader(client, QT602240_WAITING_BOOTLOAD_CMD);
+ if (ret)
+ goto out;
+
+ /* Unlock bootloader */
+ qt602240_unlock_bootloader(client);
+
+ while (pos < fw->size) {
+ ret = qt602240_check_bootloader(client,
+ QT602240_WAITING_FRAME_DATA);
+ if (ret)
+ goto out;
+
+ frame_size = ((*(fw->data + pos) << 8) | *(fw->data + pos + 1));
+
+ /* We should add 2 at frame size as the the firmware data is not
+ * included the CRC bytes.
+ */
+ frame_size += 2;
+
+ /* Write one frame to device */
+ qt602240_fw_write(client, fw->data + pos, frame_size);
+
+ ret = qt602240_check_bootloader(client,
+ QT602240_FRAME_CRC_PASS);
+ if (ret)
+ goto out;
+
+ pos += frame_size;
+
+ dev_dbg(dev, "Updated %d bytes / %zd bytes\n", pos, fw->size);
+ }
+
+out:
+ release_firmware(fw);
+
+ /* Change to slave address of application */
+ if (client->addr == QT602240_BOOT_LOW)
+ client->addr = QT602240_APP_LOW;
+ else
+ client->addr = QT602240_APP_HIGH;
+
+ return ret;
+}
+
+static ssize_t qt602240_update_fw_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct qt602240_data *data = dev_get_drvdata(dev);
+ unsigned int version;
+ int error;
+
+ if (sscanf(buf, "%u", &version) != 1) {
+ dev_err(dev, "Invalid values\n");
+ return -EINVAL;
+ }
+
+ if (data->info.version < QT602240_VER_21 || version < QT602240_VER_21) {
+ dev_err(dev, "FW update supported starting with version 21\n");
+ return -EINVAL;
+ }
+
+ disable_irq(data->irq);
+
+ error = qt602240_load_fw(dev, QT602240_FW_NAME);
+ if (error) {
+ dev_err(dev, "The firmware update failed(%d)\n", error);
+ count = error;
+ } else {
+ dev_dbg(dev, "The firmware update succeeded\n");
+
+ /* Wait for reset */
+ msleep(QT602240_FWRESET_TIME);
+
+ kfree(data->object_table);
+ data->object_table = NULL;
+
+ qt602240_initialize(data);
+ }
+
+ enable_irq(data->irq);
+
+ return count;
+}
+
+static DEVICE_ATTR(object, 0444, qt602240_object_show, NULL);
+static DEVICE_ATTR(update_fw, 0664, NULL, qt602240_update_fw_store);
+
+static struct attribute *qt602240_attrs[] = {
+ &dev_attr_object.attr,
+ &dev_attr_update_fw.attr,
+ NULL
+};
+
+static const struct attribute_group qt602240_attr_group = {
+ .attrs = qt602240_attrs,
+};
+
+static void qt602240_start(struct qt602240_data *data)
+{
+ /* Touch enable */
+ qt602240_write_object(data,
+ QT602240_TOUCH_MULTI, QT602240_TOUCH_CTRL, 0x83);
+}
+
+static void qt602240_stop(struct qt602240_data *data)
+{
+ /* Touch disable */
+ qt602240_write_object(data,
+ QT602240_TOUCH_MULTI, QT602240_TOUCH_CTRL, 0);
+}
+
+static int qt602240_input_open(struct input_dev *dev)
+{
+ struct qt602240_data *data = input_get_drvdata(dev);
+
+ qt602240_start(data);
+
+ return 0;
+}
+
+static void qt602240_input_close(struct input_dev *dev)
+{
+ struct qt602240_data *data = input_get_drvdata(dev);
+
+ qt602240_stop(data);
+}
+
+static int __devinit qt602240_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct qt602240_data *data;
+ struct input_dev *input_dev;
+ int error;
+
+ if (!client->dev.platform_data)
+ return -EINVAL;
+
+ data = kzalloc(sizeof(struct qt602240_data), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!data || !input_dev) {
+ dev_err(&client->dev, "Failed to allocate memory\n");
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ input_dev->name = "AT42QT602240/ATMXT224 Touchscreen";
+ input_dev->id.bustype = BUS_I2C;
+ input_dev->dev.parent = &client->dev;
+ input_dev->open = qt602240_input_open;
+ input_dev->close = qt602240_input_close;
+
+ __set_bit(EV_ABS, input_dev->evbit);
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(BTN_TOUCH, input_dev->keybit);
+
+ /* For single touch */
+ input_set_abs_params(input_dev, ABS_X,
+ 0, QT602240_MAX_XC, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y,
+ 0, QT602240_MAX_YC, 0, 0);
+
+ /* For multi touch */
+ input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
+ 0, QT602240_MAX_AREA, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_X,
+ 0, QT602240_MAX_XC, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
+ 0, QT602240_MAX_YC, 0, 0);
+
+ input_set_drvdata(input_dev, data);
+
+ data->client = client;
+ data->input_dev = input_dev;
+ data->pdata = client->dev.platform_data;
+ data->irq = client->irq;
+
+ i2c_set_clientdata(client, data);
+
+ error = qt602240_initialize(data);
+ if (error)
+ goto err_free_object;
+
+ error = request_threaded_irq(client->irq, NULL, qt602240_interrupt,
+ IRQF_TRIGGER_FALLING, client->dev.driver->name, data);
+ if (error) {
+ dev_err(&client->dev, "Failed to register interrupt\n");
+ goto err_free_object;
+ }
+
+ error = input_register_device(input_dev);
+ if (error)
+ goto err_free_irq;
+
+ error = sysfs_create_group(&client->dev.kobj, &qt602240_attr_group);
+ if (error)
+ goto err_unregister_device;
+
+ return 0;
+
+err_unregister_device:
+ input_unregister_device(input_dev);
+ input_dev = NULL;
+err_free_irq:
+ free_irq(client->irq, data);
+err_free_object:
+ kfree(data->object_table);
+err_free_mem:
+ input_free_device(input_dev);
+ kfree(data);
+ return error;
+}
+
+static int __devexit qt602240_remove(struct i2c_client *client)
+{
+ struct qt602240_data *data = i2c_get_clientdata(client);
+
+ sysfs_remove_group(&client->dev.kobj, &qt602240_attr_group);
+ free_irq(data->irq, data);
+ input_unregister_device(data->input_dev);
+ kfree(data->object_table);
+ kfree(data);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int qt602240_suspend(struct i2c_client *client, pm_message_t mesg)
+{
+ struct qt602240_data *data = i2c_get_clientdata(client);
+ struct input_dev *input_dev = data->input_dev;
+
+ mutex_lock(&input_dev->mutex);
+
+ if (input_dev->users)
+ qt602240_stop(data);
+
+ mutex_unlock(&input_dev->mutex);
+
+ return 0;
+}
+
+static int qt602240_resume(struct i2c_client *client)
+{
+ struct qt602240_data *data = i2c_get_clientdata(client);
+ struct input_dev *input_dev = data->input_dev;
+
+ /* Soft reset */
+ qt602240_write_object(data, QT602240_GEN_COMMAND,
+ QT602240_COMMAND_RESET, 1);
+
+ msleep(QT602240_RESET_TIME);
+
+ mutex_lock(&input_dev->mutex);
+
+ if (input_dev->users)
+ qt602240_start(data);
+
+ mutex_unlock(&input_dev->mutex);
+
+ return 0;
+}
+#else
+#define qt602240_suspend NULL
+#define qt602240_resume NULL
+#endif
+
+static const struct i2c_device_id qt602240_id[] = {
+ { "qt602240_ts", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, qt602240_id);
+
+static struct i2c_driver qt602240_driver = {
+ .driver = {
+ .name = "qt602240_ts",
+ .owner = THIS_MODULE,
+ },
+ .probe = qt602240_probe,
+ .remove = __devexit_p(qt602240_remove),
+ .suspend = qt602240_suspend,
+ .resume = qt602240_resume,
+ .id_table = qt602240_id,
+};
+
+static int __init qt602240_init(void)
+{
+ return i2c_add_driver(&qt602240_driver);
+}
+
+static void __exit qt602240_exit(void)
+{
+ i2c_del_driver(&qt602240_driver);
+}
+
+module_init(qt602240_init);
+module_exit(qt602240_exit);
+
+/* Module information */
+MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
+MODULE_DESCRIPTION("AT42QT602240/ATMXT224 Touchscreen driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/tps6507x-ts.c b/drivers/input/touchscreen/tps6507x-ts.c
index 5b70a1419b4d..a644d18c04dc 100644
--- a/drivers/input/touchscreen/tps6507x-ts.c
+++ b/drivers/input/touchscreen/tps6507x-ts.c
@@ -355,9 +355,6 @@ static int __devexit tps6507x_ts_remove(struct platform_device *pdev)
struct tps6507x_ts *tsc = tps6507x_dev->ts;
struct input_dev *input_dev = tsc->input_dev;
- if (!tsc)
- return 0;
-
cancel_delayed_work_sync(&tsc->work);
destroy_workqueue(tsc->wq);
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 567d57215c28..f45f80f6d336 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -95,6 +95,7 @@ struct usbtouch_device_info {
int (*get_pkt_len) (unsigned char *pkt, int len);
int (*read_data) (struct usbtouch_usb *usbtouch, unsigned char *pkt);
+ int (*alloc) (struct usbtouch_usb *usbtouch);
int (*init) (struct usbtouch_usb *usbtouch);
void (*exit) (struct usbtouch_usb *usbtouch);
};
@@ -135,7 +136,7 @@ enum {
DEVTYPE_JASTEC,
DEVTYPE_E2I,
DEVTYPE_ZYTRONIC,
- DEVTYPE_TC5UH,
+ DEVTYPE_TC45USB,
DEVTYPE_NEXIO,
};
@@ -222,8 +223,11 @@ static const struct usb_device_id usbtouch_devices[] = {
{USB_DEVICE(0x14c8, 0x0003), .driver_info = DEVTYPE_ZYTRONIC},
#endif
-#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH
- {USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC5UH},
+#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB
+ /* TC5UH */
+ {USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC45USB},
+ /* TC4UM */
+ {USB_DEVICE(0x0664, 0x0306), .driver_info = DEVTYPE_TC45USB},
#endif
#ifdef CONFIG_TOUCHSCREEN_USB_NEXIO
@@ -507,7 +511,7 @@ static int dmc_tsc10_init(struct usbtouch_usb *usbtouch)
int ret = -ENOMEM;
unsigned char *buf;
- buf = kmalloc(2, GFP_KERNEL);
+ buf = kmalloc(2, GFP_NOIO);
if (!buf)
goto err_nobuf;
/* reset */
@@ -574,10 +578,10 @@ static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
#endif
/*****************************************************************************
- * ET&T TC5UH part
+ * ET&T TC5UH/TC4UM part
*/
-#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH
-static int tc5uh_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
+#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB
+static int tc45usb_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
{
dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1];
dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3];
@@ -732,11 +736,43 @@ static void nexio_ack_complete(struct urb *urb)
{
}
+static int nexio_alloc(struct usbtouch_usb *usbtouch)
+{
+ struct nexio_priv *priv;
+ int ret = -ENOMEM;
+
+ usbtouch->priv = kmalloc(sizeof(struct nexio_priv), GFP_KERNEL);
+ if (!usbtouch->priv)
+ goto out_buf;
+
+ priv = usbtouch->priv;
+
+ priv->ack_buf = kmemdup(nexio_ack_pkt, sizeof(nexio_ack_pkt),
+ GFP_KERNEL);
+ if (!priv->ack_buf)
+ goto err_priv;
+
+ priv->ack = usb_alloc_urb(0, GFP_KERNEL);
+ if (!priv->ack) {
+ dbg("%s - usb_alloc_urb failed: usbtouch->ack", __func__);
+ goto err_ack_buf;
+ }
+
+ return 0;
+
+err_ack_buf:
+ kfree(priv->ack_buf);
+err_priv:
+ kfree(priv);
+out_buf:
+ return ret;
+}
+
static int nexio_init(struct usbtouch_usb *usbtouch)
{
struct usb_device *dev = interface_to_usbdev(usbtouch->interface);
struct usb_host_interface *interface = usbtouch->interface->cur_altsetting;
- struct nexio_priv *priv;
+ struct nexio_priv *priv = usbtouch->priv;
int ret = -ENOMEM;
int actual_len, i;
unsigned char *buf;
@@ -755,7 +791,7 @@ static int nexio_init(struct usbtouch_usb *usbtouch)
if (!input_ep || !output_ep)
return -ENXIO;
- buf = kmalloc(NEXIO_BUFSIZE, GFP_KERNEL);
+ buf = kmalloc(NEXIO_BUFSIZE, GFP_NOIO);
if (!buf)
goto out_buf;
@@ -787,11 +823,11 @@ static int nexio_init(struct usbtouch_usb *usbtouch)
switch (buf[0]) {
case 0x83: /* firmware version */
if (!firmware_ver)
- firmware_ver = kstrdup(&buf[2], GFP_KERNEL);
+ firmware_ver = kstrdup(&buf[2], GFP_NOIO);
break;
case 0x84: /* device name */
if (!device_name)
- device_name = kstrdup(&buf[2], GFP_KERNEL);
+ device_name = kstrdup(&buf[2], GFP_NOIO);
break;
}
}
@@ -802,36 +838,11 @@ static int nexio_init(struct usbtouch_usb *usbtouch)
kfree(firmware_ver);
kfree(device_name);
- /* prepare ACK URB */
- ret = -ENOMEM;
-
- usbtouch->priv = kmalloc(sizeof(struct nexio_priv), GFP_KERNEL);
- if (!usbtouch->priv)
- goto out_buf;
-
- priv = usbtouch->priv;
-
- priv->ack_buf = kmemdup(nexio_ack_pkt, sizeof(nexio_ack_pkt),
- GFP_KERNEL);
- if (!priv->ack_buf)
- goto err_priv;
-
- priv->ack = usb_alloc_urb(0, GFP_KERNEL);
- if (!priv->ack) {
- dbg("%s - usb_alloc_urb failed: usbtouch->ack", __func__);
- goto err_ack_buf;
- }
-
usb_fill_bulk_urb(priv->ack, dev, usb_sndbulkpipe(dev, output_ep),
priv->ack_buf, sizeof(nexio_ack_pkt),
nexio_ack_complete, usbtouch);
ret = 0;
- goto out_buf;
-err_ack_buf:
- kfree(priv->ack_buf);
-err_priv:
- kfree(priv);
out_buf:
kfree(buf);
return ret;
@@ -849,29 +860,32 @@ static void nexio_exit(struct usbtouch_usb *usbtouch)
static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
{
- int x, y, begin_x, begin_y, end_x, end_y, w, h, ret;
struct nexio_touch_packet *packet = (void *) pkt;
struct nexio_priv *priv = usbtouch->priv;
+ unsigned int data_len = be16_to_cpu(packet->data_len);
+ unsigned int x_len = be16_to_cpu(packet->x_len);
+ unsigned int y_len = be16_to_cpu(packet->y_len);
+ int x, y, begin_x, begin_y, end_x, end_y, w, h, ret;
/* got touch data? */
if ((pkt[0] & 0xe0) != 0xe0)
return 0;
- if (be16_to_cpu(packet->data_len) > 0xff)
- packet->data_len = cpu_to_be16(be16_to_cpu(packet->data_len) - 0x100);
- if (be16_to_cpu(packet->x_len) > 0xff)
- packet->x_len = cpu_to_be16(be16_to_cpu(packet->x_len) - 0x80);
+ if (data_len > 0xff)
+ data_len -= 0x100;
+ if (x_len > 0xff)
+ x_len -= 0x80;
/* send ACK */
ret = usb_submit_urb(priv->ack, GFP_ATOMIC);
if (!usbtouch->type->max_xc) {
- usbtouch->type->max_xc = 2 * be16_to_cpu(packet->x_len);
- input_set_abs_params(usbtouch->input, ABS_X, 0,
- 2 * be16_to_cpu(packet->x_len), 0, 0);
- usbtouch->type->max_yc = 2 * be16_to_cpu(packet->y_len);
- input_set_abs_params(usbtouch->input, ABS_Y, 0,
- 2 * be16_to_cpu(packet->y_len), 0, 0);
+ usbtouch->type->max_xc = 2 * x_len;
+ input_set_abs_params(usbtouch->input, ABS_X,
+ 0, usbtouch->type->max_xc, 0, 0);
+ usbtouch->type->max_yc = 2 * y_len;
+ input_set_abs_params(usbtouch->input, ABS_Y,
+ 0, usbtouch->type->max_yc, 0, 0);
}
/*
* The device reports state of IR sensors on X and Y axes.
@@ -881,22 +895,21 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
* it's disabled (and untested) here as there's no X driver for that.
*/
begin_x = end_x = begin_y = end_y = -1;
- for (x = 0; x < be16_to_cpu(packet->x_len); x++) {
+ for (x = 0; x < x_len; x++) {
if (begin_x == -1 && packet->data[x] > NEXIO_THRESHOLD) {
begin_x = x;
continue;
}
if (end_x == -1 && begin_x != -1 && packet->data[x] < NEXIO_THRESHOLD) {
end_x = x - 1;
- for (y = be16_to_cpu(packet->x_len);
- y < be16_to_cpu(packet->data_len); y++) {
+ for (y = x_len; y < data_len; y++) {
if (begin_y == -1 && packet->data[y] > NEXIO_THRESHOLD) {
- begin_y = y - be16_to_cpu(packet->x_len);
+ begin_y = y - x_len;
continue;
}
if (end_y == -1 &&
begin_y != -1 && packet->data[y] < NEXIO_THRESHOLD) {
- end_y = y - 1 - be16_to_cpu(packet->x_len);
+ end_y = y - 1 - x_len;
w = end_x - begin_x;
h = end_y - begin_y;
#if 0
@@ -1104,14 +1117,14 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
},
#endif
-#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH
- [DEVTYPE_TC5UH] = {
+#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB
+ [DEVTYPE_TC45USB] = {
.min_xc = 0x0,
.max_xc = 0x0fff,
.min_yc = 0x0,
.max_yc = 0x0fff,
.rept_size = 5,
- .read_data = tc5uh_read_data,
+ .read_data = tc45usb_read_data,
},
#endif
@@ -1120,6 +1133,7 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
.rept_size = 1024,
.irq_always = true,
.read_data = nexio_read_data,
+ .alloc = nexio_alloc,
.init = nexio_init,
.exit = nexio_exit,
},
@@ -1263,6 +1277,7 @@ static void usbtouch_irq(struct urb *urb)
usbtouch->type->process_pkt(usbtouch, usbtouch->data, urb->actual_length);
exit:
+ usb_mark_last_busy(interface_to_usbdev(usbtouch->interface));
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
err("%s - usb_submit_urb failed with result: %d",
@@ -1272,25 +1287,89 @@ exit:
static int usbtouch_open(struct input_dev *input)
{
struct usbtouch_usb *usbtouch = input_get_drvdata(input);
+ int r;
usbtouch->irq->dev = interface_to_usbdev(usbtouch->interface);
+ r = usb_autopm_get_interface(usbtouch->interface) ? -EIO : 0;
+ if (r < 0)
+ goto out;
+
if (!usbtouch->type->irq_always) {
- if (usb_submit_urb(usbtouch->irq, GFP_KERNEL))
- return -EIO;
+ if (usb_submit_urb(usbtouch->irq, GFP_KERNEL)) {
+ r = -EIO;
+ goto out_put;
+ }
}
- return 0;
+ usbtouch->interface->needs_remote_wakeup = 1;
+out_put:
+ usb_autopm_put_interface(usbtouch->interface);
+out:
+ return r;
}
static void usbtouch_close(struct input_dev *input)
{
struct usbtouch_usb *usbtouch = input_get_drvdata(input);
+ int r;
if (!usbtouch->type->irq_always)
usb_kill_urb(usbtouch->irq);
+ r = usb_autopm_get_interface(usbtouch->interface);
+ usbtouch->interface->needs_remote_wakeup = 0;
+ if (!r)
+ usb_autopm_put_interface(usbtouch->interface);
}
+static int usbtouch_suspend
+(struct usb_interface *intf, pm_message_t message)
+{
+ struct usbtouch_usb *usbtouch = usb_get_intfdata(intf);
+
+ usb_kill_urb(usbtouch->irq);
+
+ return 0;
+}
+
+static int usbtouch_resume(struct usb_interface *intf)
+{
+ struct usbtouch_usb *usbtouch = usb_get_intfdata(intf);
+ struct input_dev *input = usbtouch->input;
+ int result = 0;
+
+ mutex_lock(&input->mutex);
+ if (input->users || usbtouch->type->irq_always)
+ result = usb_submit_urb(usbtouch->irq, GFP_NOIO);
+ mutex_unlock(&input->mutex);
+
+ return result;
+}
+
+static int usbtouch_reset_resume(struct usb_interface *intf)
+{
+ struct usbtouch_usb *usbtouch = usb_get_intfdata(intf);
+ struct input_dev *input = usbtouch->input;
+ int err = 0;
+
+ /* reinit the device */
+ if (usbtouch->type->init) {
+ err = usbtouch->type->init(usbtouch);
+ if (err) {
+ dbg("%s - type->init() failed, err: %d",
+ __func__, err);
+ return err;
+ }
+ }
+
+ /* restart IO if needed */
+ mutex_lock(&input->mutex);
+ if (input->users)
+ err = usb_submit_urb(usbtouch->irq, GFP_NOIO);
+ mutex_unlock(&input->mutex);
+
+ return err;
+}
static void usbtouch_free_buffers(struct usb_device *udev,
struct usbtouch_usb *usbtouch)
@@ -1411,12 +1490,21 @@ static int usbtouch_probe(struct usb_interface *intf,
usbtouch->irq->transfer_dma = usbtouch->data_dma;
usbtouch->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
- /* device specific init */
+ /* device specific allocations */
+ if (type->alloc) {
+ err = type->alloc(usbtouch);
+ if (err) {
+ dbg("%s - type->alloc() failed, err: %d", __func__, err);
+ goto out_free_urb;
+ }
+ }
+
+ /* device specific initialisation*/
if (type->init) {
err = type->init(usbtouch);
if (err) {
dbg("%s - type->init() failed, err: %d", __func__, err);
- goto out_free_urb;
+ goto out_do_exit;
}
}
@@ -1429,8 +1517,11 @@ static int usbtouch_probe(struct usb_interface *intf,
usb_set_intfdata(intf, usbtouch);
if (usbtouch->type->irq_always) {
+ /* this can't fail */
+ usb_autopm_get_interface(intf);
err = usb_submit_urb(usbtouch->irq, GFP_KERNEL);
if (err) {
+ usb_autopm_put_interface(intf);
err("%s - usb_submit_urb failed with result: %d",
__func__, err);
goto out_unregister_input;
@@ -1481,7 +1572,11 @@ static struct usb_driver usbtouch_driver = {
.name = "usbtouchscreen",
.probe = usbtouch_probe,
.disconnect = usbtouch_disconnect,
+ .suspend = usbtouch_suspend,
+ .resume = usbtouch_resume,
+ .reset_resume = usbtouch_reset_resume,
.id_table = usbtouch_devices,
+ .supports_autosuspend = 1,
};
static int __init usbtouch_init(void)