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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2008-10-15 23:29:12 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-10-15 23:29:12 -0400
commit4c0e799a9a6dc64426ddb6c03aea1a154357658f (patch)
tree2d9aa9493d80fceb178a63bf15bb3d9edfc5fbae
parent3fa8749e584b55f1180411ab1b51117190bac1e5 (diff)
parentb8d055a878ee0f997ded40649701089d2486f850 (diff)
Merge branch 'next' into for-linus
-rw-r--r--Documentation/kernel-parameters.txt1
-rw-r--r--MAINTAINERS2
-rw-r--r--drivers/char/keyboard.c2
-rw-r--r--drivers/input/gameport/gameport.c88
-rw-r--r--drivers/input/joystick/a3d.c3
-rw-r--r--drivers/input/joystick/adi.c3
-rw-r--r--drivers/input/joystick/analog.c4
-rw-r--r--drivers/input/joystick/cobra.c3
-rw-r--r--drivers/input/joystick/gf2k.c3
-rw-r--r--drivers/input/joystick/grip.c3
-rw-r--r--drivers/input/joystick/grip_mp.c3
-rw-r--r--drivers/input/joystick/guillemot.c3
-rw-r--r--drivers/input/joystick/interact.c3
-rw-r--r--drivers/input/joystick/joydump.c3
-rw-r--r--drivers/input/joystick/sidewinder.c3
-rw-r--r--drivers/input/joystick/tmdc.c3
-rw-r--r--drivers/input/keyboard/atkbd.c30
-rw-r--r--drivers/input/keyboard/bf54x-keys.c13
-rw-r--r--drivers/input/keyboard/gpio_keys.c42
-rw-r--r--drivers/input/misc/Kconfig13
-rw-r--r--drivers/input/misc/Makefile1
-rw-r--r--drivers/input/misc/ati_remote2.c263
-rw-r--r--drivers/input/misc/cm109.c882
-rw-r--r--drivers/input/misc/wistron_btns.c19
-rw-r--r--drivers/input/misc/yealink.c2
-rw-r--r--drivers/input/mouse/Kconfig10
-rw-r--r--drivers/input/mouse/Makefile1
-rw-r--r--drivers/input/mouse/alps.c1
-rw-r--r--drivers/input/mouse/appletouch.c299
-rw-r--r--drivers/input/mouse/hgpk.c477
-rw-r--r--drivers/input/mouse/hgpk.h49
-rw-r--r--drivers/input/mouse/logips2pp.c4
-rw-r--r--drivers/input/mouse/psmouse-base.c81
-rw-r--r--drivers/input/mouse/psmouse.h14
-rw-r--r--drivers/input/mouse/trackpoint.c8
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h7
-rw-r--r--drivers/input/serio/serio_raw.c6
-rw-r--r--drivers/input/tablet/aiptek.c53
-rw-r--r--drivers/input/touchscreen/ads7846.c162
-rw-r--r--drivers/input/touchscreen/atmel_tsadcc.c37
-rw-r--r--drivers/input/touchscreen/mainstone-wm97xx.c5
-rw-r--r--drivers/input/touchscreen/wm9705.c5
-rw-r--r--drivers/input/touchscreen/wm9712.c5
-rw-r--r--drivers/input/touchscreen/wm9713.c5
-rw-r--r--drivers/input/touchscreen/wm97xx-core.c5
-rw-r--r--include/linux/Kbuild1
-rw-r--r--include/linux/gameport.h7
-rw-r--r--include/linux/input.h15
-rw-r--r--include/linux/map_to_7segment.h (renamed from drivers/input/misc/map_to_7segment.h)4
-rw-r--r--include/linux/mod_devicetable.h2
-rw-r--r--include/linux/spi/ads7846.h3
51 files changed, 2309 insertions, 352 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1150444..c44bf65b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -796,6 +796,7 @@ and is between 256 and 4096 characters. It is defined in the file
Defaults to the default architecture's huge page size
if not specified.
+ i8042.debug [HW] Toggle i8042 debug mode
i8042.direct [HW] Put keyboard port into non-translated mode
i8042.dumbkbd [HW] Pretend that controller can only read data from
keyboard and cannot control its state
diff --git a/MAINTAINERS b/MAINTAINERS
index 8dae455..83de0f0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4548,7 +4548,7 @@ WM97XX TOUCHSCREEN DRIVERS
P: Mark Brown
M: broonie@opensource.wolfsonmicro.com
P: Liam Girdwood
-M: liam.girdwood@wolfsonmicro.com
+M: lrg@slimlogic.co.uk
L: linux-input@vger.kernel.org
T: git git://opensource.wolfsonmicro.com/linux-2.6-touch
W: http://opensource.wolfsonmicro.com/node/7
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 7b3a212..de26a97 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -1249,7 +1249,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
return;
}
- if (keycode > NR_KEYS)
+ if (keycode >= NR_KEYS)
if (keycode >= KEY_BRL_DOT1 && keycode <= KEY_BRL_DOT8)
keysym = K(KT_BRL, keycode - KEY_BRL_DOT1 + 1);
else
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 078e4ee..2880eaa 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -231,6 +231,7 @@ static void gameport_find_driver(struct gameport *gameport)
enum gameport_event_type {
GAMEPORT_REGISTER_PORT,
GAMEPORT_REGISTER_DRIVER,
+ GAMEPORT_ATTACH_DRIVER,
};
struct gameport_event {
@@ -245,11 +246,12 @@ static LIST_HEAD(gameport_event_list);
static DECLARE_WAIT_QUEUE_HEAD(gameport_wait);
static struct task_struct *gameport_task;
-static void gameport_queue_event(void *object, struct module *owner,
- enum gameport_event_type event_type)
+static int gameport_queue_event(void *object, struct module *owner,
+ enum gameport_event_type event_type)
{
unsigned long flags;
struct gameport_event *event;
+ int retval = 0;
spin_lock_irqsave(&gameport_event_lock, flags);
@@ -268,24 +270,34 @@ static void gameport_queue_event(void *object, struct module *owner,
}
}
- if ((event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC))) {
- if (!try_module_get(owner)) {
- printk(KERN_WARNING "gameport: Can't get module reference, dropping event %d\n", event_type);
- kfree(event);
- goto out;
- }
-
- event->type = event_type;
- event->object = object;
- event->owner = owner;
+ event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC);
+ if (!event) {
+ printk(KERN_ERR
+ "gameport: Not enough memory to queue event %d\n",
+ event_type);
+ retval = -ENOMEM;
+ goto out;
+ }
- list_add_tail(&event->node, &gameport_event_list);
- wake_up(&gameport_wait);
- } else {
- printk(KERN_ERR "gameport: Not enough memory to queue event %d\n", event_type);
+ if (!try_module_get(owner)) {
+ printk(KERN_WARNING
+ "gameport: Can't get module reference, dropping event %d\n",
+ event_type);
+ kfree(event);
+ retval = -EINVAL;
+ goto out;
}
+
+ event->type = event_type;
+ event->object = object;
+ event->owner = owner;
+
+ list_add_tail(&event->node, &gameport_event_list);
+ wake_up(&gameport_wait);
+
out:
spin_unlock_irqrestore(&gameport_event_lock, flags);
+ return retval;
}
static void gameport_free_event(struct gameport_event *event)
@@ -378,9 +390,10 @@ static void gameport_handle_event(void)
}
/*
- * Remove all events that have been submitted for a given gameport port.
+ * Remove all events that have been submitted for a given object,
+ * be it a gameport port or a driver.
*/
-static void gameport_remove_pending_events(struct gameport *gameport)
+static void gameport_remove_pending_events(void *object)
{
struct list_head *node, *next;
struct gameport_event *event;
@@ -390,7 +403,7 @@ static void gameport_remove_pending_events(struct gameport *gameport)
list_for_each_safe(node, next, &gameport_event_list) {
event = list_entry(node, struct gameport_event, node);
- if (event->object == gameport) {
+ if (event->object == object) {
list_del_init(node);
gameport_free_event(event);
}
@@ -705,10 +718,40 @@ static void gameport_add_driver(struct gameport_driver *drv)
drv->driver.name, error);
}
-void __gameport_register_driver(struct gameport_driver *drv, struct module *owner)
+int __gameport_register_driver(struct gameport_driver *drv, struct module *owner,
+ const char *mod_name)
{
+ int error;
+
drv->driver.bus = &gameport_bus;
- gameport_queue_event(drv, owner, GAMEPORT_REGISTER_DRIVER);
+ drv->driver.owner = owner;
+ drv->driver.mod_name = mod_name;
+
+ /*
+ * Temporarily disable automatic binding because probing
+ * takes long time and we are better off doing it in kgameportd
+ */
+ drv->ignore = 1;
+
+ error = driver_register(&drv->driver);
+ if (error) {
+ printk(KERN_ERR
+ "gameport: driver_register() failed for %s, error: %d\n",
+ drv->driver.name, error);
+ return error;
+ }
+
+ /*
+ * Reset ignore flag and let kgameportd bind the driver to free ports
+ */
+ drv->ignore = 0;
+ error = gameport_queue_event(drv, NULL, GAMEPORT_ATTACH_DRIVER);
+ if (error) {
+ driver_unregister(&drv->driver);
+ return error;
+ }
+
+ return 0;
}
void gameport_unregister_driver(struct gameport_driver *drv)
@@ -716,7 +759,9 @@ void gameport_unregister_driver(struct gameport_driver *drv)
struct gameport *gameport;
mutex_lock(&gameport_mutex);
+
drv->ignore = 1; /* so gameport_find_driver ignores it */
+ gameport_remove_pending_events(drv);
start_over:
list_for_each_entry(gameport, &gameport_list, node) {
@@ -729,6 +774,7 @@ start_over:
}
driver_unregister(&drv->driver);
+
mutex_unlock(&gameport_mutex);
}
diff --git a/drivers/input/joystick/a3d.c b/drivers/input/joystick/a3d.c
index 92498d4..6489f40 100644
--- a/drivers/input/joystick/a3d.c
+++ b/drivers/input/joystick/a3d.c
@@ -414,8 +414,7 @@ static struct gameport_driver a3d_drv = {
static int __init a3d_init(void)
{
- gameport_register_driver(&a3d_drv);
- return 0;
+ return gameport_register_driver(&a3d_drv);
}
static void __exit a3d_exit(void)
diff --git a/drivers/input/joystick/adi.c b/drivers/input/joystick/adi.c
index d1ca8a1..89c4c08 100644
--- a/drivers/input/joystick/adi.c
+++ b/drivers/input/joystick/adi.c
@@ -572,8 +572,7 @@ static struct gameport_driver adi_drv = {
static int __init adi_init(void)
{
- gameport_register_driver(&adi_drv);
- return 0;
+ return gameport_register_driver(&adi_drv);
}
static void __exit adi_exit(void)
diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 708c5ae..356b3a2 100644
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -761,9 +761,7 @@ static struct gameport_driver analog_drv = {
static int __init analog_init(void)
{
analog_parse_options();
- gameport_register_driver(&analog_drv);
-
- return 0;
+ return gameport_register_driver(&analog_drv);
}
static void __exit analog_exit(void)
diff --git a/drivers/input/joystick/cobra.c b/drivers/input/joystick/cobra.c
index 639b975..3497b87 100644
--- a/drivers/input/joystick/cobra.c
+++ b/drivers/input/joystick/cobra.c
@@ -263,8 +263,7 @@ static struct gameport_driver cobra_drv = {
static int __init cobra_init(void)
{
- gameport_register_driver(&cobra_drv);
- return 0;
+ return gameport_register_driver(&cobra_drv);
}
static void __exit cobra_exit(void)
diff --git a/drivers/input/joystick/gf2k.c b/drivers/input/joystick/gf2k.c
index cb6eef1..67c207f 100644
--- a/drivers/input/joystick/gf2k.c
+++ b/drivers/input/joystick/gf2k.c
@@ -375,8 +375,7 @@ static struct gameport_driver gf2k_drv = {
static int __init gf2k_init(void)
{
- gameport_register_driver(&gf2k_drv);
- return 0;
+ return gameport_register_driver(&gf2k_drv);
}
static void __exit gf2k_exit(void)
diff --git a/drivers/input/joystick/grip.c b/drivers/input/joystick/grip.c
index 684e07c..fc55899 100644
--- a/drivers/input/joystick/grip.c
+++ b/drivers/input/joystick/grip.c
@@ -426,8 +426,7 @@ static struct gameport_driver grip_drv = {
static int __init grip_init(void)
{
- gameport_register_driver(&grip_drv);
- return 0;
+ return gameport_register_driver(&grip_drv);
}
static void __exit grip_exit(void)
diff --git a/drivers/input/joystick/grip_mp.c b/drivers/input/joystick/grip_mp.c
index 8279481..2d47baf 100644
--- a/drivers/input/joystick/grip_mp.c
+++ b/drivers/input/joystick/grip_mp.c
@@ -689,8 +689,7 @@ static struct gameport_driver grip_drv = {
static int __init grip_init(void)
{
- gameport_register_driver(&grip_drv);
- return 0;
+ return gameport_register_driver(&grip_drv);
}
static void __exit grip_exit(void)
diff --git a/drivers/input/joystick/guillemot.c b/drivers/input/joystick/guillemot.c
index 25ec3fa..4058d4b 100644
--- a/drivers/input/joystick/guillemot.c
+++ b/drivers/input/joystick/guillemot.c
@@ -283,8 +283,7 @@ static struct gameport_driver guillemot_drv = {
static int __init guillemot_init(void)
{
- gameport_register_driver(&guillemot_drv);
- return 0;
+ return gameport_register_driver(&guillemot_drv);
}
static void __exit guillemot_exit(void)
diff --git a/drivers/input/joystick/interact.c b/drivers/input/joystick/interact.c
index 8c3290b..2478289 100644
--- a/drivers/input/joystick/interact.c
+++ b/drivers/input/joystick/interact.c
@@ -317,8 +317,7 @@ static struct gameport_driver interact_drv = {
static int __init interact_init(void)
{
- gameport_register_driver(&interact_drv);
- return 0;
+ return gameport_register_driver(&interact_drv);
}
static void __exit interact_exit(void)
diff --git a/drivers/input/joystick/joydump.c b/drivers/input/joystick/joydump.c
index 2a1b82c..cd894a0 100644
--- a/drivers/input/joystick/joydump.c
+++ b/drivers/input/joystick/joydump.c
@@ -161,8 +161,7 @@ static struct gameport_driver joydump_drv = {
static int __init joydump_init(void)
{
- gameport_register_driver(&joydump_drv);
- return 0;
+ return gameport_register_driver(&joydump_drv);
}
static void __exit joydump_exit(void)
diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
index 7b4865f..ca13a6b 100644
--- a/drivers/input/joystick/sidewinder.c
+++ b/drivers/input/joystick/sidewinder.c
@@ -818,8 +818,7 @@ static struct gameport_driver sw_drv = {
static int __init sw_init(void)
{
- gameport_register_driver(&sw_drv);
- return 0;
+ return gameport_register_driver(&sw_drv);
}
static void __exit sw_exit(void)
diff --git a/drivers/input/joystick/tmdc.c b/drivers/input/joystick/tmdc.c
index 60c37bc..d6c6098 100644
--- a/drivers/input/joystick/tmdc.c
+++ b/drivers/input/joystick/tmdc.c
@@ -438,8 +438,7 @@ static struct gameport_driver tmdc_drv = {
static int __init tmdc_init(void)
{
- gameport_register_driver(&tmdc_drv);
- return 0;
+ return gameport_register_driver(&tmdc_drv);
}
static void __exit tmdc_exit(void)
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index b1ce10f..22016ca 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -834,10 +834,10 @@ static void atkbd_disconnect(struct serio *serio)
}
/*
- * Most special keys (Fn+F?) on Dell Latitudes do not generate release
+ * Most special keys (Fn+F?) on Dell laptops do not generate release
* events so we have to do it ourselves.
*/
-static void atkbd_latitude_keymap_fixup(struct atkbd *atkbd)
+static void atkbd_dell_laptop_keymap_fixup(struct atkbd *atkbd)
{
const unsigned int forced_release_keys[] = {
0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93,
@@ -1207,15 +1207,13 @@ static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t coun
{
struct input_dev *old_dev, *new_dev;
unsigned long value;
- char *rest;
int err;
unsigned char old_extra, old_set;
if (!atkbd->write)
return -EIO;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest || value > 1)
+ if (strict_strtoul(buf, 10, &value) || value > 1)
return -EINVAL;
if (atkbd->extra != value) {
@@ -1264,12 +1262,10 @@ static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t cou
{
struct input_dev *old_dev, *new_dev;
unsigned long value;
- char *rest;
int err;
unsigned char old_scroll;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest || value > 1)
+ if (strict_strtoul(buf, 10, &value) || value > 1)
return -EINVAL;
if (atkbd->scroll != value) {
@@ -1310,15 +1306,13 @@ static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
{
struct input_dev *old_dev, *new_dev;
unsigned long value;
- char *rest;
int err;
unsigned char old_set, old_extra;
if (!atkbd->write)
return -EIO;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest || (value != 2 && value != 3))
+ if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
return -EINVAL;
if (atkbd->set != value) {
@@ -1361,15 +1355,13 @@ static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t
{
struct input_dev *old_dev, *new_dev;
unsigned long value;
- char *rest;
int err;
unsigned char old_softrepeat, old_softraw;
if (!atkbd->write)
return -EIO;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest || value > 1)
+ if (strict_strtoul(buf, 10, &value) || value > 1)
return -EINVAL;
if (atkbd->softrepeat != value) {
@@ -1413,12 +1405,10 @@ static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t co
{
struct input_dev *old_dev, *new_dev;
unsigned long value;
- char *rest;
int err;
unsigned char old_softraw;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest || value > 1)
+ if (strict_strtoul(buf, 10, &value) || value > 1)
return -EINVAL;
if (atkbd->softraw != value) {
@@ -1461,13 +1451,13 @@ static int __init atkbd_setup_fixup(const struct dmi_system_id *id)
static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
{
- .ident = "Dell Latitude series",
+ .ident = "Dell Laptop",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Latitude"),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
},
.callback = atkbd_setup_fixup,
- .driver_data = atkbd_latitude_keymap_fixup,
+ .driver_data = atkbd_dell_laptop_keymap_fixup,
},
{
.ident = "HP 2133",
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index e348cfc..1928401 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -8,7 +8,7 @@
*
*
* Modified:
- * Copyright 2007 Analog Devices Inc.
+ * Copyright 2007-2008 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
@@ -81,6 +81,9 @@ struct bf54x_kpad {
unsigned short *keycode;
struct timer_list timer;
unsigned int keyup_test_jiffies;
+ unsigned short kpad_msel;
+ unsigned short kpad_prescale;
+ unsigned short kpad_ctl;
};
static inline int bfin_kpad_find_key(struct bf54x_kpad *bf54x_kpad,
@@ -360,6 +363,10 @@ static int bfin_kpad_suspend(struct platform_device *pdev, pm_message_t state)
{
struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev);
+ bf54x_kpad->kpad_msel = bfin_read_KPAD_MSEL();
+ bf54x_kpad->kpad_prescale = bfin_read_KPAD_PRESCALE();
+ bf54x_kpad->kpad_ctl = bfin_read_KPAD_CTL();
+
if (device_may_wakeup(&pdev->dev))
enable_irq_wake(bf54x_kpad->irq);
@@ -370,6 +377,10 @@ static int bfin_kpad_resume(struct platform_device *pdev)
{
struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev);
+ bfin_write_KPAD_MSEL(bf54x_kpad->kpad_msel);
+ bfin_write_KPAD_PRESCALE(bf54x_kpad->kpad_prescale);
+ bfin_write_KPAD_CTL(bf54x_kpad->kpad_ctl);
+
if (device_may_wakeup(&pdev->dev))
disable_irq_wake(bf54x_kpad->irq);
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index ec96b36..05f3f43 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -36,9 +36,10 @@ struct gpio_keys_drvdata {
struct gpio_button_data data[0];
};
-static void gpio_keys_report_event(struct gpio_keys_button *button,
- struct input_dev *input)
+static void gpio_keys_report_event(struct gpio_button_data *bdata)
{
+ struct gpio_keys_button *button = bdata->button;
+ struct input_dev *input = bdata->input;
unsigned int type = button->type ?: EV_KEY;
int state = (gpio_get_value(button->gpio) ? 1 : 0) ^ button->active_low;
@@ -50,34 +51,23 @@ static void gpio_check_button(unsigned long _data)
{
struct gpio_button_data *data = (struct gpio_button_data *)_data;
- gpio_keys_report_event(data->button, data->input);
+ gpio_keys_report_event(data);
}
static irqreturn_t gpio_keys_isr(int irq, void *dev_id)
{
- struct platform_device *pdev = dev_id;
- struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
- struct gpio_keys_drvdata *ddata = platform_get_drvdata(pdev);
- int i;
+ struct gpio_button_data *bdata = dev_id;
+ struct gpio_keys_button *button = bdata->button;
- for (i = 0; i < pdata->nbuttons; i++) {
- struct gpio_keys_button *button = &pdata->buttons[i];
+ BUG_ON(irq != gpio_to_irq(button->gpio));
- if (irq == gpio_to_irq(button->gpio)) {
- struct gpio_button_data *bdata = &ddata->data[i];
-
- if (button->debounce_interval)
- mod_timer(&bdata->timer,
- jiffies +
- msecs_to_jiffies(button->debounce_interval));
- else
- gpio_keys_report_event(button, bdata->input);
-
- return IRQ_HANDLED;
- }
- }
+ if (button->debounce_interval)
+ mod_timer(&bdata->timer,
+ jiffies + msecs_to_jiffies(button->debounce_interval));
+ else
+ gpio_keys_report_event(bdata);
- return IRQ_NONE;
+ return IRQ_HANDLED;
}
static int __devinit gpio_keys_probe(struct platform_device *pdev)
@@ -151,7 +141,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING,
button->desc ? button->desc : "gpio_keys",
- pdev);
+ bdata);
if (error) {
pr_err("gpio-keys: Unable to claim irq %d; error %d\n",
irq, error);
@@ -178,7 +168,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
fail2:
while (--i >= 0) {
- free_irq(gpio_to_irq(pdata->buttons[i].gpio), pdev);
+ free_irq(gpio_to_irq(pdata->buttons[i].gpio), &ddata->data[i]);
if (pdata->buttons[i].debounce_interval)
del_timer_sync(&ddata->data[i].timer);
gpio_free(pdata->buttons[i].gpio);
@@ -203,7 +193,7 @@ 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, pdev);
+ free_irq(irq, &ddata->data[i]);
if (pdata->buttons[i].debounce_interval)
del_timer_sync(&ddata->data[i].timer);
gpio_free(pdata->buttons[i].gpio);
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index e99b788..199055d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -180,6 +180,19 @@ config INPUT_YEALINK
To compile this driver as a module, choose M here: the module will be
called yealink.
+config INPUT_CM109
+ tristate "C-Media CM109 USB I/O Controller"
+ depends on EXPERIMENTAL
+ depends on USB_ARCH_HAS_HCD
+ select USB
+ help
+ Say Y here if you want to enable keyboard and buzzer functions of the
+ C-Media CM109 usb phones. The audio part is enabled by the generic
+ usb sound driver, so you might want to enable that as well.
+
+ To compile this driver as a module, choose M here: the module will be
+ called cm109.
+
config INPUT_UINPUT
tristate "User level driver support"
help
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index f48009b..d7db2ae 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o
obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o
obj-$(CONFIG_INPUT_POWERMATE) += powermate.o
obj-$(CONFIG_INPUT_YEALINK) += yealink.o
+obj-$(CONFIG_INPUT_CM109) += cm109.o
obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
obj-$(CONFIG_INPUT_UINPUT) += uinput.o
obj-$(CONFIG_INPUT_APANEL) += apanel.o
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index a7fabaf..3c9988d 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -1,8 +1,8 @@
/*
* ati_remote2 - ATI/Philips USB RF remote driver
*
- * Copyright (C) 2005 Ville Syrjala <syrjala@sci.fi>
- * Copyright (C) 2007 Peter Stokes <linux@dadeos.freeserve.co.uk>
+ * Copyright (C) 2005-2008 Ville Syrjala <syrjala@sci.fi>
+ * Copyright (C) 2007-2008 Peter Stokes <linux@dadeos.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
@@ -12,7 +12,7 @@
#include <linux/usb/input.h>
#define DRIVER_DESC "ATI/Philips USB RF remote driver"
-#define DRIVER_VERSION "0.2"
+#define DRIVER_VERSION "0.3"
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_VERSION(DRIVER_VERSION);
@@ -27,7 +27,7 @@ MODULE_LICENSE("GPL");
* A remote's "channel" may be altered by pressing and holding the "PC" button for
* approximately 3 seconds, after which the button will slowly flash the count of the
* currently configured "channel", using the numeric keypad enter a number between 1 and
- * 16 and then the "PC" button again, the button will slowly flash the count of the
+ * 16 and then press the "PC" button again, the button will slowly flash the count of the
* newly configured "channel".
*/
@@ -45,9 +45,25 @@ static struct usb_device_id ati_remote2_id_table[] = {
};
MODULE_DEVICE_TABLE(usb, ati_remote2_id_table);
-static struct {
- int hw_code;
- int key_code;
+static DEFINE_MUTEX(ati_remote2_mutex);
+
+enum {
+ ATI_REMOTE2_OPENED = 0x1,
+ ATI_REMOTE2_SUSPENDED = 0x2,
+};
+
+enum {
+ ATI_REMOTE2_AUX1,
+ ATI_REMOTE2_AUX2,
+ ATI_REMOTE2_AUX3,
+ ATI_REMOTE2_AUX4,
+ ATI_REMOTE2_PC,
+ ATI_REMOTE2_MODES,
+};
+
+static const struct {
+ u8 hw_code;
+ u16 keycode;
} ati_remote2_key_table[] = {
{ 0x00, KEY_0 },
{ 0x01, KEY_1 },
@@ -73,6 +89,7 @@ static struct {
{ 0x37, KEY_RECORD },
{ 0x38, KEY_DVD },
{ 0x39, KEY_TV },
+ { 0x3f, KEY_PROG1 }, /* AUX1-AUX4 and PC */
{ 0x54, KEY_MENU },
{ 0x58, KEY_UP },
{ 0x59, KEY_DOWN },
@@ -91,15 +108,9 @@ static struct {
{ 0xa9, BTN_LEFT },
{ 0xaa, BTN_RIGHT },
{ 0xbe, KEY_QUESTION },
- { 0xd5, KEY_FRONT },
{ 0xd0, KEY_EDIT },
+ { 0xd5, KEY_FRONT },
{ 0xf9, KEY_INFO },
- { (0x00 << 8) | 0x3f, KEY_PROG1 },
- { (0x01 << 8) | 0x3f, KEY_PROG2 },
- { (0x02 << 8) | 0x3f, KEY_PROG3 },
- { (0x03 << 8) | 0x3f, KEY_PROG4 },
- { (0x04 << 8) | 0x3f, KEY_PC },
- { 0, KEY_RESERVED }
};
struct ati_remote2 {
@@ -117,46 +128,106 @@ struct ati_remote2 {
char name[64];
char phys[64];
+
+ /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */
+ u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)];
+
+ unsigned int flags;
};
static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id);
static void ati_remote2_disconnect(struct usb_interface *interface);
+static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message);
+static int ati_remote2_resume(struct usb_interface *interface);
static struct usb_driver ati_remote2_driver = {
.name = "ati_remote2",
.probe = ati_remote2_probe,
.disconnect = ati_remote2_disconnect,
.id_table = ati_remote2_id_table,
+ .suspend = ati_remote2_suspend,
+ .resume = ati_remote2_resume,
+ .supports_autosuspend = 1,
};
-static int ati_remote2_open(struct input_dev *idev)
+static int ati_remote2_submit_urbs(struct ati_remote2 *ar2)
{
- struct ati_remote2 *ar2 = input_get_drvdata(idev);
int r;
r = usb_submit_urb(ar2->urb[0], GFP_KERNEL);
if (r) {
dev_err(&ar2->intf[0]->dev,
- "%s: usb_submit_urb() = %d\n", __func__, r);
+ "%s(): usb_submit_urb() = %d\n", __func__, r);
return r;
}
r = usb_submit_urb(ar2->urb[1], GFP_KERNEL);
if (r) {
usb_kill_urb(ar2->urb[0]);
dev_err(&ar2->intf[1]->dev,
- "%s: usb_submit_urb() = %d\n", __func__, r);
+ "%s(): usb_submit_urb() = %d\n", __func__, r);
return r;
}
return 0;
}
+static void ati_remote2_kill_urbs(struct ati_remote2 *ar2)
+{
+ usb_kill_urb(ar2->urb[1]);
+ usb_kill_urb(ar2->urb[0]);
+}
+
+static int ati_remote2_open(struct input_dev *idev)
+{
+ struct ati_remote2 *ar2 = input_get_drvdata(idev);
+ int r;
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ r = usb_autopm_get_interface(ar2->intf[0]);
+ if (r) {
+ dev_err(&ar2->intf[0]->dev,
+ "%s(): usb_autopm_get_interface() = %d\n", __func__, r);
+ goto fail1;
+ }
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) {
+ r = ati_remote2_submit_urbs(ar2);
+ if (r)
+ goto fail2;
+ }
+
+ ar2->flags |= ATI_REMOTE2_OPENED;
+
+ mutex_unlock(&ati_remote2_mutex);
+
+ usb_autopm_put_interface(ar2->intf[0]);
+
+ return 0;
+
+ fail2:
+ mutex_unlock(&ati_remote2_mutex);
+ usb_autopm_put_interface(ar2->intf[0]);
+ fail1:
+ return r;
+}
+
static void ati_remote2_close(struct input_dev *idev)
{
struct ati_remote2 *ar2 = input_get_drvdata(idev);
- usb_kill_urb(ar2->urb[0]);
- usb_kill_urb(ar2->urb[1]);
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (!(ar2->flags & ATI_REMOTE2_SUSPENDED))
+ ati_remote2_kill_urbs(ar2);
+
+ ar2->flags &= ~ATI_REMOTE2_OPENED;
+
+ mutex_unlock(&ati_remote2_mutex);
}
static void ati_remote2_input_mouse(struct ati_remote2 *ar2)
@@ -172,7 +243,7 @@ static void ati_remote2_input_mouse(struct ati_remote2 *ar2)
mode = data[0] & 0x0F;
- if (mode > 4) {
+ if (mode > ATI_REMOTE2_PC) {
dev_err(&ar2->intf[0]->dev,
"Unknown mode byte (%02x %02x %02x %02x)\n",
data[3], data[2], data[1], data[0]);
@@ -191,7 +262,7 @@ static int ati_remote2_lookup(unsigned int hw_code)
{
int i;
- for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++)
+ for (i = 0; i < ARRAY_SIZE(ati_remote2_key_table); i++)
if (ati_remote2_key_table[i].hw_code == hw_code)
return i;
@@ -211,7 +282,7 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
mode = data[0] & 0x0F;
- if (mode > 4) {
+ if (mode > ATI_REMOTE2_PC) {
dev_err(&ar2->intf[1]->dev,
"Unknown mode byte (%02x %02x %02x %02x)\n",
data[3], data[2], data[1], data[0]);
@@ -219,10 +290,6 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
}
hw_code = data[2];
- /*
- * Mode keys (AUX1-AUX4, PC) all generate the same code byte.
- * Use the mode byte to figure out which one was pressed.
- */
if (hw_code == 0x3f) {
/*
* For some incomprehensible reason the mouse pad generates
@@ -236,8 +303,6 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
if (data[1] == 0)
ar2->mode = mode;
-
- hw_code |= mode << 8;
}
if (!((1 << mode) & mode_mask))
@@ -260,8 +325,8 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
case 2: /* repeat */
/* No repeat for mouse buttons. */
- if (ati_remote2_key_table[index].key_code == BTN_LEFT ||
- ati_remote2_key_table[index].key_code == BTN_RIGHT)
+ if (ar2->keycode[mode][index] == BTN_LEFT ||
+ ar2->keycode[mode][index] == BTN_RIGHT)
return;
if (!time_after_eq(jiffies, ar2->jiffies))
@@ -276,7 +341,7 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
return;
}
- input_event(idev, EV_KEY, ati_remote2_key_table[index].key_code, data[1]);
+ input_event(idev, EV_KEY, ar2->keycode[mode][index], data[1]);
input_sync(idev);
}
@@ -287,6 +352,7 @@ static void ati_remote2_complete_mouse(struct urb *urb)
switch (urb->status) {
case 0:
+ usb_mark_last_busy(ar2->udev);
ati_remote2_input_mouse(ar2);
break;
case -ENOENT:
@@ -297,6 +363,7 @@ static void ati_remote2_complete_mouse(struct urb *urb)
"%s(): urb status = %d\n", __func__, urb->status);
return;
default:
+ usb_mark_last_busy(ar2->udev);
dev_err(&ar2->intf[0]->dev,
"%s(): urb status = %d\n", __func__, urb->status);
}
@@ -314,6 +381,7 @@ static void ati_remote2_complete_key(struct urb *urb)
switch (urb->status) {
case 0:
+ usb_mark_last_busy(ar2->udev);
ati_remote2_input_key(ar2);
break;
case -ENOENT:
@@ -324,6 +392,7 @@ static void ati_remote2_complete_key(struct urb *urb)
"%s(): urb status = %d\n", __func__, urb->status);
return;
default:
+ usb_mark_last_busy(ar2->udev);
dev_err(&ar2->intf[1]->dev,
"%s(): urb status = %d\n", __func__, urb->status);
}
@@ -334,10 +403,60 @@ static void ati_remote2_complete_key(struct urb *urb)
"%s(): usb_submit_urb() = %d\n", __func__, r);
}
+static int ati_remote2_getkeycode(struct input_dev *idev,
+ int scancode, int *keycode)
+{
+ struct ati_remote2 *ar2 = input_get_drvdata(idev);
+ int index, mode;
+
+ mode = scancode >> 8;
+ if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask))
+ return -EINVAL;
+
+ index = ati_remote2_lookup(scancode & 0xFF);
+ if (index < 0)
+ return -EINVAL;
+
+ *keycode = ar2->keycode[mode][index];
+ return 0;
+}
+
+static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keycode)
+{
+ struct ati_remote2 *ar2 = input_get_drvdata(idev);
+ int index, mode, old_keycode;
+
+ mode = scancode >> 8;
+ if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask))
+ return -EINVAL;
+
+ index = ati_remote2_lookup(scancode & 0xFF);
+ if (index < 0)
+ return -EINVAL;
+
+ if (keycode < KEY_RESERVED || keycode > KEY_MAX)
+ return -EINVAL;
+
+ old_keycode = ar2->keycode[mode][index];
+ ar2->keycode[mode][index] = keycode;
+ set_bit(keycode, idev->keybit);
+
+ for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) {
+ for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) {
+ if (ar2->keycode[mode][index] == old_keycode)
+ return 0;
+ }
+ }
+
+ clear_bit(old_keycode, idev->keybit);
+
+ return 0;
+}
+
static int ati_remote2_input_init(struct ati_remote2 *ar2)
{
struct input_dev *idev;
- int i, retval;
+ int index, mode, retval;
idev = input_allocate_device();
if (!idev)
@@ -350,8 +469,26 @@ static int ati_remote2_input_init(struct ati_remote2 *ar2)
idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
BIT_MASK(BTN_RIGHT);
idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
- for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++)
- set_bit(ati_remote2_key_table[i].key_code, idev->keybit);
+
+ for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) {
+ for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) {
+ ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode;
+ set_bit(ar2->keycode[mode][index], idev->keybit);
+ }
+ }
+
+ /* AUX1-AUX4 and PC generate the same scancode. */
+ index = ati_remote2_lookup(0x3f);
+ ar2->keycode[ATI_REMOTE2_AUX1][index] = KEY_PROG1;
+ ar2->keycode[ATI_REMOTE2_AUX2][index] = KEY_PROG2;
+ ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3;
+ ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4;
+ ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC;
+ set_bit(KEY_PROG1, idev->keybit);
+ set_bit(KEY_PROG2, idev->keybit);
+ set_bit(KEY_PROG3, idev->keybit);
+ set_bit(KEY_PROG4, idev->keybit);
+ set_bit(KEY_PC, idev->keybit);
idev->rep[REP_DELAY] = 250;
idev->rep[REP_PERIOD] = 33;
@@ -359,6 +496,9 @@ static int ati_remote2_input_init(struct ati_remote2 *ar2)
idev->open = ati_remote2_open;
idev->close = ati_remote2_close;
+ idev->getkeycode = ati_remote2_getkeycode;
+ idev->setkeycode = ati_remote2_setkeycode;
+
idev->name = ar2->name;
idev->phys = ar2->phys;
@@ -490,6 +630,8 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d
usb_set_intfdata(interface, ar2);
+ interface->needs_remote_wakeup = 1;
+
return 0;
fail2:
@@ -522,6 +664,57 @@ static void ati_remote2_disconnect(struct usb_interface *interface)
kfree(ar2);
}
+static int ati_remote2_suspend(struct usb_interface *interface,
+ pm_message_t message)
+{
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (ar2->flags & ATI_REMOTE2_OPENED)
+ ati_remote2_kill_urbs(ar2);
+
+ ar2->flags |= ATI_REMOTE2_SUSPENDED;
+
+ mutex_unlock(&ati_remote2_mutex);
+
+ return 0;
+}
+
+static int ati_remote2_resume(struct usb_interface *interface)
+{
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+ int r = 0;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (ar2->flags & ATI_REMOTE2_OPENED)
+ r = ati_remote2_submit_urbs(ar2);
+
+ if (!r)
+ ar2->flags &= ~ATI_REMOTE2_SUSPENDED;
+
+ mutex_unlock(&ati_remote2_mutex);
+
+ return r;
+}
+
static int __init ati_remote2_init(void)
{
int r;
diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c
new file mode 100644
index 0000000..bce160f
--- /dev/null
+++ b/drivers/input/misc/cm109.c
@@ -0,0 +1,882 @@
+/*
+ * Driver for the VoIP USB phones with CM109 chipsets.
+ *
+ * Copyright (C) 2007 - 2008 Alfred E. Heggestad <aeh@db.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, version 2.
+ */
+
+/*
+ * Tested devices:
+ * - Komunikate KIP1000
+ * - Genius G-talk
+ * - Allied-Telesis Corega USBPH01
+ * - ...
+ *
+ * This driver is based on the yealink.c driver
+ *
+ * Thanks to:
+ * - Authors of yealink.c
+ * - Thomas Reitmayr
+ * - Oliver Neukum for good review comments and code
+ * - Shaun Jackman <sjackman@gmail.com> for Genius G-talk keymap
+ * - Dmitry Torokhov for valuable input and review
+ *
+ * Todo:
+ * - Read/write EEPROM
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/rwsem.h>
+#include <linux/usb/input.h>
+
+#define DRIVER_VERSION "20080805"
+#define DRIVER_AUTHOR "Alfred E. Heggestad"
+#define DRIVER_DESC "CM109 phone driver"
+
+static char *phone = "kip1000";
+module_param(phone, charp, S_IRUSR);
+MODULE_PARM_DESC(phone, "Phone name {kip1000, gtalk, usbph01}");
+
+enum {
+ /* HID Registers */
+ HID_IR0 = 0x00, /* Record/Playback-mute button, Volume up/down */
+ HID_IR1 = 0x01, /* GPI, generic registers or EEPROM_DATA0 */
+ HID_IR2 = 0x02, /* Generic registers or EEPROM_DATA1 */
+ HID_IR3 = 0x03, /* Generic registers or EEPROM_CTRL */
+ HID_OR0 = 0x00, /* Mapping control, buzzer, SPDIF (offset 0x04) */
+ HID_OR1 = 0x01, /* GPO - General Purpose Output */
+ HID_OR2 = 0x02, /* Set GPIO to input/output mode */
+ HID_OR3 = 0x03, /* SPDIF status channel or EEPROM_CTRL */
+
+ /* HID_IR0 */
+ RECORD_MUTE = 1 << 3,
+ PLAYBACK_MUTE = 1 << 2,
+ VOLUME_DOWN = 1 << 1,
+ VOLUME_UP = 1 << 0,
+
+ /* HID_OR0 */
+ /* bits 7-6
+ 0: HID_OR1-2 are used for GPO; HID_OR0, 3 are used for buzzer
+ and SPDIF
+ 1: HID_OR0-3 are used as generic HID registers
+ 2: Values written to HID_OR0-3 are also mapped to MCU_CTRL,
+ EEPROM_DATA0-1, EEPROM_CTRL (see Note)
+ 3: Reserved
+ */
+ HID_OR_GPO_BUZ_SPDIF = 0 << 6,
+ HID_OR_GENERIC_HID_REG = 1 << 6,
+ HID_OR_MAP_MCU_EEPROM = 2 << 6,
+
+ BUZZER_ON = 1 << 5,
+
+ /* up to 256 normal keys, up to 16 special keys */
+ KEYMAP_SIZE = 256 + 16,
+};
+
+/* CM109 protocol packet */
+struct cm109_ctl_packet {
+ u8 byte[4];
+} __attribute__ ((packed));
+
+enum { USB_PKT_LEN = sizeof(struct cm109_ctl_packet) };
+
+/* CM109 device structure */
+struct cm109_dev {
+ struct input_dev *idev; /* input device */
+ struct usb_device *udev; /* usb device */
+ struct usb_interface *intf;
+
+ /* irq input channel */
+ struct cm109_ctl_packet *irq_data;
+ dma_addr_t irq_dma;
+ struct urb *urb_irq;
+
+ /* control output channel */
+ struct cm109_ctl_packet *ctl_data;
+ dma_addr_t ctl_dma;
+ struct usb_ctrlrequest *ctl_req;
+ dma_addr_t ctl_req_dma;
+ struct urb *urb_ctl;
+ /*
+ * The 3 bitfields below are protected by ctl_submit_lock.
+ * They have to be separate since they are accessed from IRQ
+ * context.
+ */
+ unsigned irq_urb_pending:1; /* irq_urb is in flight */
+ unsigned ctl_urb_pending:1; /* ctl_urb is in flight */
+ unsigned buzzer_pending:1; /* need to issue buzz command */
+ spinlock_t ctl_submit_lock;
+
+ unsigned char buzzer_state; /* on/off */
+
+ /* flags */
+ unsigned open:1;
+ unsigned resetting:1;
+ unsigned shutdown:1;
+
+ /* This mutex protects writes to the above flags */
+ struct mutex pm_mutex;
+
+ unsigned short keymap[KEYMAP_SIZE];
+
+ char phys[64]; /* physical device path */
+ int key_code; /* last reported key */
+ int keybit; /* 0=new scan 1,2,4,8=scan columns */
+ u8 gpi; /* Cached value of GPI (high nibble) */
+};
+
+/******************************************************************************
+ * CM109 key interface
+ *****************************************************************************/
+
+static unsigned short special_keymap(int code)
+{
+ if (code > 0xff) {
+ switch (code - 0xff) {
+ case RECORD_MUTE: return KEY_MUTE;
+ case PLAYBACK_MUTE: return KEY_MUTE;
+ case VOLUME_DOWN: return KEY_VOLUMEDOWN;
+ case VOLUME_UP: return KEY_VOLUMEUP;
+ }
+ }
+ return KEY_RESERVED;
+}
+
+/* Map device buttons to internal key events.
+ *
+ * The "up" and "down" keys, are symbolised by arrows on the button.
+ * The "pickup" and "hangup" keys are symbolised by a green and red phone
+ * on the button.
+
+ Komunikate KIP1000 Keyboard Matrix
+
+ -> -- 1 -- 2 -- 3 --> GPI pin 4 (0x10)
+ | | | |
+ <- -- 4 -- 5 -- 6 --> GPI pin 5 (0x20)
+ | | | |
+ END - 7 -- 8 -- 9 --> GPI pin 6 (0x40)
+ | | | |
+ OK -- * -- 0 -- # --> GPI pin 7 (0x80)
+ | | | |
+
+ /|\ /|\ /|\ /|\
+ | | | |
+GPO
+pin: 3 2 1 0
+ 0x8 0x4 0x2 0x1
+
+ */
+static unsigned short keymap_kip1000(int scancode)
+{
+ switch (scancode) { /* phone key: */
+ case 0x82: return KEY_NUMERIC_0; /* 0 */
+ case 0x14: return KEY_NUMERIC_1; /* 1 */
+ case 0x12: return KEY_NUMERIC_2; /* 2 */
+ case 0x11: return KEY_NUMERIC_3; /* 3 */
+ case 0x24: return KEY_NUMERIC_4; /* 4 */
+ case 0x22: return KEY_NUMERIC_5; /* 5 */
+ case 0x21: return KEY_NUMERIC_6; /* 6 */
+ case 0x44: return KEY_NUMERIC_7; /* 7 */
+ case 0x42: return KEY_NUMERIC_8; /* 8 */
+ case 0x41: return KEY_NUMERIC_9; /* 9 */
+ case 0x81: return KEY_NUMERIC_POUND; /* # */
+ case 0x84: return KEY_NUMERIC_STAR; /* * */
+ case 0x88: return KEY_ENTER; /* pickup */
+ case 0x48: return KEY_ESC; /* hangup */
+ case 0x28: return KEY_LEFT; /* IN */
+ case 0x18: return KEY_RIGHT; /* OUT */
+ default: return special_keymap(scancode);
+ }
+}
+
+/*
+ Contributed by Shaun Jackman <sjackman@gmail.com>
+
+ Genius G-Talk keyboard matrix
+ 0 1 2 3
+ 4: 0 4 8 Talk
+ 5: 1 5 9 End
+ 6: 2 6 # Up
+ 7: 3 7 * Down
+*/
+static unsigned short keymap_gtalk(int scancode)
+{
+ switch (scancode) {
+ case 0x11: return KEY_NUMERIC_0;
+ case 0x21: return KEY_NUMERIC_1;
+ case 0x41: return KEY_NUMERIC_2;
+ case 0x81: return KEY_NUMERIC_3;
+ case 0x12: return KEY_NUMERIC_4;
+ case 0x22: return KEY_NUMERIC_5;
+ case 0x42: return KEY_NUMERIC_6;
+ case 0x82: return KEY_NUMERIC_7;
+ case 0x14: return KEY_NUMERIC_8;
+ case 0x24: return KEY_NUMERIC_9;
+ case 0x44: return KEY_NUMERIC_POUND; /* # */
+ case 0x84: return KEY_NUMERIC_STAR; /* * */
+ case 0x18: return KEY_ENTER; /* Talk (green handset) */
+ case 0x28: return KEY_ESC; /* End (red handset) */
+ case 0x48: return KEY_UP; /* Menu up (rocker switch) */
+ case 0x88: return KEY_DOWN; /* Menu down (rocker switch) */
+ default: return special_keymap(scancode);
+ }
+}
+
+/*
+ * Keymap for Allied-Telesis Corega USBPH01
+ * http://www.alliedtelesis-corega.com/2/1344/1437/1360/chprd.html
+ *
+ * Contributed by july@nat.bg
+ */
+static unsigned short keymap_usbph01(int scancode)
+{
+ switch (scancode) {
+ case 0x11: return KEY_NUMERIC_0; /* 0 */
+ case 0x21: return KEY_NUMERIC_1; /* 1 */
+ case 0x41: return KEY_NUMERIC_2; /* 2 */
+ case 0x81: return KEY_NUMERIC_3; /* 3 */
+ case 0x12: return KEY_NUMERIC_4; /* 4 */
+ case 0x22: return KEY_NUMERIC_5; /* 5 */
+ case 0x42: return KEY_NUMERIC_6; /* 6 */
+ case 0x82: return KEY_NUMERIC_7; /* 7 */
+ case 0x14: return KEY_NUMERIC_8; /* 8 */
+ case 0x24: return KEY_NUMERIC_9; /* 9 */
+ case 0x44: return KEY_NUMERIC_POUND; /* # */
+ case 0x84: return KEY_NUMERIC_STAR; /* * */
+ case 0x18: return KEY_ENTER; /* pickup */
+ case 0x28: return KEY_ESC; /* hangup */
+ case 0x48: return KEY_LEFT; /* IN */
+ case 0x88: return KEY_RIGHT; /* OUT */
+ default: return special_keymap(scancode);
+ }
+}
+
+static unsigned short (*keymap)(int) = keymap_kip1000;
+
+/*
+ * Completes a request by converting the data into events for the
+ * input subsystem.
+ */
+static void report_key(struct cm109_dev *dev, int key)
+{
+ struct input_dev *idev = dev->idev;
+
+ if (dev->key_code >= 0) {
+ /* old key up */
+ input_report_key(idev, dev->key_code, 0);
+ }
+
+ dev->key_code = key;
+ if (key >= 0) {
+ /* new valid key */
+ input_report_key(idev, key, 1);
+ }
+
+ input_sync(idev);
+}
+
+/******************************************************************************
+ * CM109 usb communication interface
+ *****************************************************************************/
+
+static void cm109_submit_buzz_toggle(struct cm109_dev *dev)
+{
+ int error;
+
+ if (dev->buzzer_state)
+ dev->ctl_data->byte[HID_OR0] |= BUZZER_ON;
+ else
+ dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON;
+
+ error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC);
+ if (error)
+ err("%s: usb_submit_urb (urb_ctl) failed %d", __func__, error);
+}
+
+/*
+ * IRQ handler
+ */
+static void cm109_urb_irq_callback(struct urb *urb)
+{
+ struct cm109_dev *dev = urb->context;
+ const int status = urb->status;
+ int error;
+
+ dev_dbg(&urb->dev->dev, "### URB IRQ: [0x%02x 0x%02x 0x%02x 0x%02x] keybit=0x%02x\n",
+ dev->irq_data->byte[0],
+ dev->irq_data->byte[1],
+ dev->irq_data->byte[2],
+ dev->irq_data->byte[3],
+ dev->keybit);
+
+ if (status) {
+ if (status == -ESHUTDOWN)
+ return;
+ err("%s: urb status %d", __func__, status);
+ }
+
+ /* Special keys */
+ if (dev->irq_data->byte[HID_IR0] & 0x0f) {
+ const int code = (dev->irq_data->byte[HID_IR0] & 0x0f);
+ report_key(dev, dev->keymap[0xff + code]);
+ }
+
+ /* Scan key column */
+ if (dev->keybit == 0xf) {
+
+ /* Any changes ? */
+ if ((dev->gpi & 0xf0) == (dev->irq_data->byte[HID_IR1] & 0xf0))
+ goto out;
+
+ dev->gpi = dev->irq_data->byte[HID_IR1] & 0xf0;
+ dev->keybit = 0x1;
+ } else {
+ report_key(dev, dev->keymap[dev->irq_data->byte[HID_IR1]]);
+
+ dev->keybit <<= 1;
+ if (dev->keybit > 0x8)
+ dev->keybit = 0xf;
+ }
+
+ out:
+
+ spin_lock(&dev->ctl_submit_lock);
+
+ dev->irq_urb_pending = 0;
+
+ if (likely(!dev->shutdown)) {
+
+ if (dev->buzzer_state)
+ dev->ctl_data->byte[HID_OR0] |= BUZZER_ON;
+ else
+ dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON;
+
+ dev->ctl_data->byte[HID_OR1] = dev->keybit;
+ dev->ctl_data->byte[HID_OR2] = dev->keybit;
+
+ dev->buzzer_pending = 0;
+ dev->ctl_urb_pending = 1;
+
+ error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC);
+ if (error)
+ err("%s: usb_submit_urb (urb_ctl) failed %d",
+ __func__, error);
+ }
+
+ spin_unlock(&dev->ctl_submit_lock);
+}
+
+static void cm109_urb_ctl_callback(struct urb *urb)
+{
+ struct cm109_dev *dev = urb->context;
+ const int status = urb->status;
+ int error;
+
+ dev_dbg(&urb->dev->dev, "### URB CTL: [0x%02x 0x%02x 0x%02x 0x%02x]\n",
+ dev->ctl_data->byte[0],
+ dev->ctl_data->byte[1],
+ dev->ctl_data->byte[2],
+ dev->ctl_data->byte[3]);
+
+ if (status)
+ err("%s: urb status %d", __func__, status);
+
+ spin_lock(&dev->ctl_submit_lock);
+
+ dev->ctl_urb_pending = 0;
+
+ if (likely(!dev->shutdown)) {
+
+ if (dev->buzzer_pending) {
+ dev->buzzer_pending = 0;
+ dev->ctl_urb_pending = 1;
+ cm109_submit_buzz_toggle(dev);
+ } else if (likely(!dev->irq_urb_pending)) {
+ /* ask for key data */
+ dev->irq_urb_pending = 1;
+ error = usb_submit_urb(dev->urb_irq, GFP_ATOMIC);
+ if (error)
+ err("%s: usb_submit_urb (urb_irq) failed %d",
+ __func__, error);
+ }
+ }
+
+ spin_unlock(&dev->ctl_submit_lock);
+}
+
+static void cm109_toggle_buzzer_async(struct cm109_dev *dev)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->ctl_submit_lock, flags);
+
+ if (dev->ctl_urb_pending) {
+ /* URB completion will resubmit */
+ dev->buzzer_pending = 1;
+ } else {
+ dev->ctl_urb_pending = 1;
+ cm109_submit_buzz_toggle(dev);
+ }
+
+ spin_unlock_irqrestore(&dev->ctl_submit_lock, flags);
+}
+
+static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on)
+{
+ int error;
+
+ if (on)
+ dev->ctl_data->byte[HID_OR0] |= BUZZER_ON;
+ else
+ dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON;
+
+ error = usb_control_msg(dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ dev->ctl_req->bRequest,
+ dev->ctl_req->bRequestType,
+ le16_to_cpu(dev->ctl_req->wValue),
+ le16_to_cpu(dev->ctl_req->wIndex),
+ dev->ctl_data,
+ USB_PKT_LEN, USB_CTRL_SET_TIMEOUT);
+ if (error && error != EINTR)
+ err("%s: usb_control_msg() failed %d", __func__, error);
+}
+
+static void cm109_stop_traffic(struct cm109_dev *dev)
+{
+ dev->shutdown = 1;
+ /*
+ * Make sure other CPUs see this
+ */
+ smp_wmb();
+
+ usb_kill_urb(dev->urb_ctl);
+ usb_kill_urb(dev->urb_irq);
+
+ cm109_toggle_buzzer_sync(dev, 0);
+
+ dev->shutdown = 0;
+ smp_wmb();
+}
+
+static void cm109_restore_state(struct cm109_dev *dev)
+{
+ if (dev->open) {
+ /*
+ * Restore buzzer state.
+ * This will also kick regular URB submission
+ */
+ cm109_toggle_buzzer_async(dev);
+ }
+}
+
+/******************************************************************************
+ * input event interface
+ *****************************************************************************/
+
+static int cm109_input_open(struct input_dev *idev)
+{
+ struct cm109_dev *dev = input_get_drvdata(idev);
+ int error;
+
+ error = usb_autopm_get_interface(dev->intf);
+ if (error < 0) {
+ err("%s - cannot autoresume, result %d",
+ __func__, error);
+ return error;
+ }
+
+ mutex_lock(&dev->pm_mutex);
+
+ dev->buzzer_state = 0;
+ dev->key_code = -1; /* no keys pressed */
+ dev->keybit = 0xf;
+
+ /* issue INIT */
+ dev->ctl_data->byte[HID_OR0] = HID_OR_GPO_BUZ_SPDIF;
+ dev->ctl_data->byte[HID_OR1] = dev->keybit;
+ dev->ctl_data->byte[HID_OR2] = dev->keybit;
+ dev->ctl_data->byte[HID_OR3] = 0x00;
+
+ error = usb_submit_urb(dev->urb_ctl, GFP_KERNEL);
+ if (error)
+ err("%s: usb_submit_urb (urb_ctl) failed %d", __func__, error);
+ else
+ dev->open = 1;
+
+ mutex_unlock(&dev->pm_mutex);
+
+ if (error)
+ usb_autopm_put_interface(dev->intf);
+
+ return error;
+}
+
+static void cm109_input_close(struct input_dev *idev)
+{
+ struct cm109_dev *dev = input_get_drvdata(idev);
+
+ mutex_lock(&dev->pm_mutex);
+
+ /*
+ * Once we are here event delivery is stopped so we
+ * don't need to worry about someone starting buzzer
+ * again
+ */
+ cm109_stop_traffic(dev);
+ dev->open = 0;
+
+ mutex_unlock(&dev->pm_mutex);
+
+ usb_autopm_put_interface(dev->intf);
+}
+
+static int cm109_input_ev(struct input_dev *idev, unsigned int type,
+ unsigned int code, int value)
+{
+ struct cm109_dev *dev = input_get_drvdata(idev);
+
+ dev_dbg(&dev->udev->dev,
+ "input_ev: type=%u code=%u value=%d\n", type, code, value);
+
+ if (type != EV_SND)
+ return -EINVAL;
+
+ switch (code) {
+ case SND_TONE:
+ case SND_BELL:
+ dev->buzzer_state = !!value;
+ if (!dev->resetting)
+ cm109_toggle_buzzer_async(dev);
+ return 0;
+
+ default:
+ return -EINVAL;
+ }
+}
+
+
+/******************************************************************************
+ * Linux interface and usb initialisation
+ *****************************************************************************/
+
+struct driver_info {
+ char *name;
+};
+
+static const struct driver_info info_cm109 = {
+ .name = "CM109 USB driver",
+};
+
+enum {
+ VENDOR_ID = 0x0d8c, /* C-Media Electronics */
+ PRODUCT_ID_CM109 = 0x000e, /* CM109 defines range 0x0008 - 0x000f */
+};
+
+/* table of devices that work with this driver */
+static const struct usb_device_id cm109_usb_table[] = {
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+ USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = VENDOR_ID,
+ .idProduct = PRODUCT_ID_CM109,
+ .bInterfaceClass = USB_CLASS_HID,
+ .bInterfaceSubClass = 0,
+ .bInterfaceProtocol = 0,
+ .driver_info = (kernel_ulong_t) &info_cm109
+ },
+ /* you can add more devices here with product ID 0x0008 - 0x000f */
+ { }
+};
+
+static void cm109_usb_cleanup(struct cm109_dev *dev)
+{
+ if (dev->ctl_req)
+ usb_buffer_free(dev->udev, sizeof(*(dev->ctl_req)),
+ dev->ctl_req, dev->ctl_req_dma);
+ if (dev->ctl_data)
+ usb_buffer_free(dev->udev, USB_PKT_LEN,
+ dev->ctl_data, dev->ctl_dma);
+ if (dev->irq_data)
+ usb_buffer_free(dev->udev, USB_PKT_LEN,
+ dev->irq_data, dev->irq_dma);
+
+ usb_free_urb(dev->urb_irq); /* parameter validation in core/urb */
+ usb_free_urb(dev->urb_ctl); /* parameter validation in core/urb */
+ kfree(dev);
+}
+
+static void cm109_usb_disconnect(struct usb_interface *interface)
+{
+ struct cm109_dev *dev = usb_get_intfdata(interface);
+
+ usb_set_intfdata(interface, NULL);
+ input_unregister_device(dev->idev);
+ cm109_usb_cleanup(dev);
+}
+
+static int cm109_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct driver_info *nfo = (struct driver_info *)id->driver_info;
+ struct usb_host_interface *interface;
+ struct usb_endpoint_descriptor *endpoint;
+ struct cm109_dev *dev;
+ struct input_dev *input_dev = NULL;
+ int ret, pipe, i;
+ int error = -ENOMEM;
+
+ interface = intf->cur_altsetting;
+ endpoint = &interface->endpoint[0].desc;
+
+ if (!usb_endpoint_is_int_in(endpoint))
+ return -ENODEV;
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev)
+ return -ENOMEM;
+
+ spin_lock_init(&dev->ctl_submit_lock);
+ mutex_init(&dev->pm_mutex);
+
+ dev->udev = udev;
+ dev->intf = intf;
+
+ dev->idev = input_dev = input_allocate_device();
+ if (!input_dev)
+ goto err_out;
+
+ /* allocate usb buffers */
+ dev->irq_data = usb_buffer_alloc(udev, USB_PKT_LEN,
+ GFP_KERNEL, &dev->irq_dma);
+ if (!dev->irq_data)
+ goto err_out;
+
+ dev->ctl_data = usb_buffer_alloc(udev, USB_PKT_LEN,
+ GFP_KERNEL, &dev->ctl_dma);
+ if (!dev->ctl_data)
+ goto err_out;
+
+ dev->ctl_req = usb_buffer_alloc(udev, sizeof(*(dev->ctl_req)),
+ GFP_KERNEL, &dev->ctl_req_dma);
+ if (!dev->ctl_req)
+ goto err_out;
+
+ /* allocate urb structures */
+ dev->urb_irq = usb_alloc_urb(0, GFP_KERNEL);
+ if (!dev->urb_irq)
+ goto err_out;
+
+ dev->urb_ctl = usb_alloc_urb(0, GFP_KERNEL);
+ if (!dev->urb_ctl)
+ goto err_out;
+
+ /* get a handle to the interrupt data pipe */
+ pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);
+ ret = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
+ if (ret != USB_PKT_LEN)
+ err("invalid payload size %d, expected %d", ret, USB_PKT_LEN);
+
+ /* initialise irq urb */
+ usb_fill_int_urb(dev->urb_irq, udev, pipe, dev->irq_data,
+ USB_PKT_LEN,
+ cm109_urb_irq_callback, dev, endpoint->bInterval);
+ dev->urb_irq->transfer_dma = dev->irq_dma;
+ dev->urb_irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ dev->urb_irq->dev = udev;
+
+ /* initialise ctl urb */
+ dev->ctl_req->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE |
+ USB_DIR_OUT;
+ dev->ctl_req->bRequest = USB_REQ_SET_CONFIGURATION;
+ dev->ctl_req->wValue = cpu_to_le16(0x200);
+ dev->ctl_req->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber);
+ dev->ctl_req->wLength = cpu_to_le16(USB_PKT_LEN);
+
+ usb_fill_control_urb(dev->urb_ctl, udev, usb_sndctrlpipe(udev, 0),
+ (void *)dev->ctl_req, dev->ctl_data, USB_PKT_LEN,
+ cm109_urb_ctl_callback, dev);
+ dev->urb_ctl->setup_dma = dev->ctl_req_dma;
+ dev->urb_ctl->transfer_dma = dev->ctl_dma;
+ dev->urb_ctl->transfer_flags |= URB_NO_SETUP_DMA_MAP |
+ URB_NO_TRANSFER_DMA_MAP;
+ dev->urb_ctl->dev = udev;
+
+ /* find out the physical bus location */
+ usb_make_path(udev, dev->phys, sizeof(dev->phys));
+ strlcat(dev->phys, "/input0", sizeof(dev->phys));
+
+ /* register settings for the input device */
+ input_dev->name = nfo->name;
+ input_dev->phys = dev->phys;
+ usb_to_input_id(udev, &input_dev->id);
+ input_dev->dev.parent = &intf->dev;
+
+ input_set_drvdata(input_dev, dev);
+ input_dev->open = cm109_input_open;
+ input_dev->close = cm109_input_close;
+ input_dev->event = cm109_input_ev;
+
+ input_dev->keycode = dev->keymap;
+ input_dev->keycodesize = sizeof(unsigned char);
+ input_dev->keycodemax = ARRAY_SIZE(dev->keymap);
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_SND);
+ input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
+
+ /* register available key events */
+ for (i = 0; i < KEYMAP_SIZE; i++) {
+ unsigned short k = keymap(i);
+ dev->keymap[i] = k;
+ __set_bit(k, input_dev->keybit);
+ }
+ __clear_bit(KEY_RESERVED, input_dev->keybit);
+
+ error = input_register_device(dev->idev);
+ if (error)
+ goto err_out;
+
+ usb_set_intfdata(intf, dev);
+
+ return 0;
+
+ err_out:
+ input_free_device(input_dev);
+ cm109_usb_cleanup(dev);
+ return error;
+}
+
+static int cm109_usb_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct cm109_dev *dev = usb_get_intfdata(intf);
+
+ dev_info(&intf->dev, "cm109: usb_suspend (event=%d)\n", message.event);
+
+ mutex_lock(&dev->pm_mutex);
+ cm109_stop_traffic(dev);
+ mutex_unlock(&dev->pm_mutex);
+
+ return 0;
+}
+
+static int cm109_usb_resume(struct usb_interface *intf)
+{
+ struct cm109_dev *dev = usb_get_intfdata(intf);
+
+ dev_info(&intf->dev, "cm109: usb_resume\n");
+
+ mutex_lock(&dev->pm_mutex);
+ cm109_restore_state(dev);
+ mutex_unlock(&dev->pm_mutex);
+
+ return 0;
+}
+
+static int cm109_usb_pre_reset(struct usb_interface *intf)
+{
+ struct cm109_dev *dev = usb_get_intfdata(intf);
+
+ mutex_lock(&dev->pm_mutex);
+
+ /*
+ * Make sure input events don't try to toggle buzzer
+ * while we are resetting
+ */
+ dev->resetting = 1;
+ smp_wmb();
+
+ cm109_stop_traffic(dev);
+
+ return 0;
+}
+
+static int cm109_usb_post_reset(struct usb_interface *intf)
+{
+ struct cm109_dev *dev = usb_get_intfdata(intf);
+
+ dev->resetting = 0;
+ smp_wmb();
+
+ cm109_restore_state(dev);
+
+ mutex_unlock(&dev->pm_mutex);
+
+ return 0;
+}
+
+static struct usb_driver cm109_driver = {
+ .name = "cm109",
+ .probe = cm109_usb_probe,
+ .disconnect = cm109_usb_disconnect,
+ .suspend = cm109_usb_suspend,
+ .resume = cm109_usb_resume,
+ .reset_resume = cm109_usb_resume,
+ .pre_reset = cm109_usb_pre_reset,
+ .post_reset = cm109_usb_post_reset,
+ .id_table = cm109_usb_table,
+ .supports_autosuspend = 1,
+};
+
+static int __init cm109_select_keymap(void)
+{
+ /* Load the phone keymap */
+ if (!strcasecmp(phone, "kip1000")) {
+ keymap = keymap_kip1000;
+ printk(KERN_INFO KBUILD_MODNAME ": "
+ "Keymap for Komunikate KIP1000 phone loaded\n");
+ } else if (!strcasecmp(phone, "gtalk")) {
+ keymap = keymap_gtalk;
+ printk(KERN_INFO KBUILD_MODNAME ": "
+ "Keymap for Genius G-talk phone loaded\n");
+ } else if (!strcasecmp(phone, "usbph01")) {
+ keymap = keymap_usbph01;
+ printk(KERN_INFO KBUILD_MODNAME ": "
+ "Keymap for Allied-Telesis Corega USBPH01 phone loaded\n");
+ } else {
+ printk(KERN_ERR KBUILD_MODNAME ": "
+ "Unsupported phone: %s\n", phone);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int __init cm109_init(void)
+{
+ int err;
+
+ err = cm109_select_keymap();
+ if (err)
+ return err;
+
+ err = usb_register(&cm109_driver);
+ if (err)
+ return err;
+
+ printk(KERN_INFO KBUILD_MODNAME ": "
+ DRIVER_DESC ": " DRIVER_VERSION " (C) " DRIVER_AUTHOR "\n");
+
+ return 0;
+}
+
+static void __exit cm109_exit(void)
+{
+ usb_deregister(&cm109_driver);
+}
+
+module_init(cm109_init);
+module_exit(cm109_exit);
+
+MODULE_DEVICE_TABLE(usb, cm109_usb_table);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index fe268be..7c8957dd 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -277,6 +277,16 @@ static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = {
{ KE_END, 0 }
};
+static struct key_entry keymap_fs_amilo_pro_v3505[] __initdata = {
+ { KE_KEY, 0x01, {KEY_HELP} }, /* Fn+F1 */
+ { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */
+ { KE_BLUETOOTH, 0x30 }, /* Fn+F10 */
+ { KE_KEY, 0x31, {KEY_MAIL} }, /* mail button */
+ { KE_KEY, 0x36, {KEY_WWW} }, /* www button */
+ { KE_WIFI, 0x78 }, /* satelite dish button */
+ { KE_END, 0 }
+};
+
static struct key_entry keymap_fujitsu_n3510[] __initdata = {
{ KE_KEY, 0x11, {KEY_PROG1} },
{ KE_KEY, 0x12, {KEY_PROG2} },
@@ -618,6 +628,15 @@ static struct dmi_system_id dmi_ids[] __initdata = {
},
{
.callback = dmi_matched,
+ .ident = "Fujitsu-Siemens Amilo Pro Edition V3505",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Edition V3505"),
+ },
+ .driver_data = keymap_fs_amilo_pro_v3505
+ },
+ {
+ .callback = dmi_matched,
.ident = "Fujitsu-Siemens Amilo M7400",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c
index facefd3..11b5c7e 100644
--- a/drivers/input/misc/yealink.c
+++ b/drivers/input/misc/yealink.c
@@ -52,8 +52,8 @@
#include <linux/module.h>
#include <linux/rwsem.h>
#include <linux/usb/input.h>
+#include <linux/map_to_7segment.h>
-#include "map_to_7segment.h"
#include "yealink.h"
#define DRIVER_VERSION "yld-20051230"
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index f996546..f488b68 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -96,6 +96,16 @@ config MOUSE_PS2_TOUCHKIT
If unsure, say N.
+config MOUSE_PS2_OLPC
+ bool "OLPC PS/2 mouse protocol extension"
+ depends on MOUSE_PS2 && OLPC
+ help
+ Say Y here if you have an OLPC XO-1 laptop (with built-in
+ PS/2 touchpad/tablet device). The manufacturer calls the
+ touchpad an HGPK.
+
+ If unsure, say N.
+
config MOUSE_SERIAL
tristate "Serial mouse"
select SERIO
diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
index d4d2025..8e6e690 100644
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o
psmouse-objs := psmouse-base.o synaptics.o
psmouse-$(CONFIG_MOUSE_PS2_ALPS) += alps.o
+psmouse-$(CONFIG_MOUSE_PS2_OLPC) += hgpk.o
psmouse-$(CONFIG_MOUSE_PS2_LOGIPS2PP) += logips2pp.o
psmouse-$(CONFIG_MOUSE_PS2_LIFEBOOK) += lifebook.o
psmouse-$(CONFIG_MOUSE_PS2_TRACKPOINT) += trackpoint.o
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 385e32b..cbedf95 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -54,6 +54,7 @@ static const struct alps_model_info alps_model_data[] = {
{ { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */
{ { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT },
{ { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */
+ { { 0x62, 0x02, 0x14 }, 0xcf, 0xcf, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude E6500 */
{ { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FW_BK_1 } /* Dell Vostro 1400 */
};
diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c
index 1f41ae9..079816e 100644
--- a/drivers/input/mouse/appletouch.c
+++ b/drivers/input/mouse/appletouch.c
@@ -136,12 +136,28 @@ MODULE_DEVICE_TABLE(usb, atp_table);
#define ATP_GEYSER_MODE_REQUEST_INDEX 0
#define ATP_GEYSER_MODE_VENDOR_VALUE 0x04
+/**
+ * enum atp_status_bits - status bit meanings
+ *
+ * These constants represent the meaning of the status bits.
+ * (only Geyser 3/4)
+ *
+ * @ATP_STATUS_BUTTON: The button was pressed
+ * @ATP_STATUS_BASE_UPDATE: Update of the base values (untouched pad)
+ * @ATP_STATUS_FROM_RESET: Reset previously performed
+ */
+enum atp_status_bits {
+ ATP_STATUS_BUTTON = BIT(0),
+ ATP_STATUS_BASE_UPDATE = BIT(2),
+ ATP_STATUS_FROM_RESET = BIT(4),
+};
+
/* Structure to hold all of our device specific stuff */
struct atp {
char phys[64];
struct usb_device *udev; /* usb device */
struct urb *urb; /* usb request block */
- signed char *data; /* transferred data */
+ u8 *data; /* transferred data */
struct input_dev *input; /* input dev */
enum atp_touchpad_type type; /* type of touchpad */
bool open;
@@ -251,8 +267,6 @@ static void atp_reinit(struct work_struct *work)
int retval;
dprintk("appletouch: putting appletouch to sleep (reinit)\n");
- dev->idlecount = 0;
-
atp_geyser_init(udev);
retval = usb_submit_urb(dev->urb, GFP_ATOMIC);
@@ -327,11 +341,14 @@ static inline void atp_report_fingers(struct input_dev *input, int fingers)
input_report_key(input, BTN_TOOL_TRIPLETAP, fingers > 2);
}
-static void atp_complete(struct urb *urb)
+/* Check URB status and for correct length of data package */
+
+#define ATP_URB_STATUS_SUCCESS 0
+#define ATP_URB_STATUS_ERROR 1
+#define ATP_URB_STATUS_ERROR_FATAL 2
+
+static int atp_status_check(struct urb *urb)
{
- int x, y, x_z, y_z, x_f, y_f;
- int retval, i, j;
- int key;
struct atp *dev = urb->context;
switch (urb->status) {
@@ -351,11 +368,12 @@ static void atp_complete(struct urb *urb)
/* This urb is terminated, clean up */
dbg("atp_complete: urb shutting down with status: %d",
urb->status);
- return;
+ return ATP_URB_STATUS_ERROR_FATAL;
+
default:
dbg("atp_complete: nonzero urb status received: %d",
urb->status);
- goto exit;
+ return ATP_URB_STATUS_ERROR;
}
/* drop incomplete datasets */
@@ -363,30 +381,33 @@ static void atp_complete(struct urb *urb)
dprintk("appletouch: incomplete data package"
" (first byte: %d, length: %d).\n",
dev->data[0], dev->urb->actual_length);
- goto exit;
+ return ATP_URB_STATUS_ERROR;
}
- /* reorder the sensors values */
- if (dev->type == ATP_GEYSER3 || dev->type == ATP_GEYSER4) {
- memset(dev->xy_cur, 0, sizeof(dev->xy_cur));
+ return ATP_URB_STATUS_SUCCESS;
+}
- /*
- * The values are laid out like this:
- * -, Y1, Y2, -, Y3, Y4, -, ..., -, X1, X2, -, X3, X4, ...
- * '-' is an unused value.
- */
+/*
+ * USB interrupt callback functions
+ */
- /* read X values */
- for (i = 0, j = 19; i < 20; i += 2, j += 3) {
- dev->xy_cur[i] = dev->data[j + 1];
- dev->xy_cur[i + 1] = dev->data[j + 2];
- }
- /* read Y values */
- for (i = 0, j = 1; i < 9; i += 2, j += 3) {
- dev->xy_cur[ATP_XSENSORS + i] = dev->data[j + 1];
- dev->xy_cur[ATP_XSENSORS + i + 1] = dev->data[j + 2];
- }
- } else if (dev->type == ATP_GEYSER2) {
+/* Interrupt function for older touchpads: FOUNTAIN/GEYSER1/GEYSER2 */
+
+static void atp_complete_geyser_1_2(struct urb *urb)
+{
+ int x, y, x_z, y_z, x_f, y_f;
+ int retval, i, j;
+ int key;
+ struct atp *dev = urb->context;
+ int status = atp_status_check(urb);
+
+ if (status == ATP_URB_STATUS_ERROR_FATAL)
+ return;
+ else if (status == ATP_URB_STATUS_ERROR)
+ goto exit;
+
+ /* reorder the sensors values */
+ if (dev->type == ATP_GEYSER2) {
memset(dev->xy_cur, 0, sizeof(dev->xy_cur));
/*
@@ -427,34 +448,40 @@ static void atp_complete(struct urb *urb)
/* first sample */
dev->valid = true;
dev->x_old = dev->y_old = -1;
+
+ /* Store first sample */
memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old));
- if (dev->size_detect_done ||
- dev->type == ATP_GEYSER3) /* No 17" Macbooks (yet) */
- goto exit;
+ /* Perform size detection, if not done already */
+ if (!dev->size_detect_done) {
+
+ /* 17" Powerbooks have extra X sensors */
+ for (i = (dev->type == ATP_GEYSER2 ? 15 : 16);
+ i < ATP_XSENSORS; i++) {
+ if (!dev->xy_cur[i])
+ continue;
+
+ printk(KERN_INFO
+ "appletouch: 17\" model detected.\n");
+
+ if (dev->type == ATP_GEYSER2)
+ input_set_abs_params(dev->input, ABS_X,
+ 0,
+ (20 - 1) *
+ ATP_XFACT - 1,
+ ATP_FUZZ, 0);
+ else
+ input_set_abs_params(dev->input, ABS_X,
+ 0,
+ (26 - 1) *
+ ATP_XFACT - 1,
+ ATP_FUZZ, 0);
+ break;
+ }
- /* 17" Powerbooks have extra X sensors */
- for (i = (dev->type == ATP_GEYSER2 ? 15 : 16);
- i < ATP_XSENSORS; i++) {
- if (!dev->xy_cur[i])
- continue;
-
- printk(KERN_INFO "appletouch: 17\" model detected.\n");
- if (dev->type == ATP_GEYSER2)
- input_set_abs_params(dev->input, ABS_X, 0,
- (20 - 1) *
- ATP_XFACT - 1,
- ATP_FUZZ, 0);
- else
- input_set_abs_params(dev->input, ABS_X, 0,
- (ATP_XSENSORS - 1) *
- ATP_XFACT - 1,
- ATP_FUZZ, 0);
- break;
+ dev->size_detect_done = 1;
+ goto exit;
}
-
- dev->size_detect_done = 1;
- goto exit;
}
for (i = 0; i < ATP_XSENSORS + ATP_YSENSORS; i++) {
@@ -475,7 +502,118 @@ static void atp_complete(struct urb *urb)
ATP_XFACT, &x_z, &x_f);
y = atp_calculate_abs(dev->xy_acc + ATP_XSENSORS, ATP_YSENSORS,
ATP_YFACT, &y_z, &y_f);
- key = dev->data[dev->datalen - 1] & 1;
+ key = dev->data[dev->datalen - 1] & ATP_STATUS_BUTTON;
+
+ if (x && y) {
+ if (dev->x_old != -1) {
+ x = (dev->x_old * 3 + x) >> 2;
+ y = (dev->y_old * 3 + y) >> 2;
+ dev->x_old = x;
+ dev->y_old = y;
+
+ if (debug > 1)
+ printk(KERN_DEBUG "appletouch: "
+ "X: %3d Y: %3d Xz: %3d Yz: %3d\n",
+ x, y, x_z, y_z);
+
+ input_report_key(dev->input, BTN_TOUCH, 1);
+ input_report_abs(dev->input, ABS_X, x);
+ input_report_abs(dev->input, ABS_Y, y);
+ input_report_abs(dev->input, ABS_PRESSURE,
+ min(ATP_PRESSURE, x_z + y_z));
+ atp_report_fingers(dev->input, max(x_f, y_f));
+ }
+ dev->x_old = x;
+ dev->y_old = y;
+
+ } else if (!x && !y) {
+
+ dev->x_old = dev->y_old = -1;
+ input_report_key(dev->input, BTN_TOUCH, 0);
+ input_report_abs(dev->input, ABS_PRESSURE, 0);
+ atp_report_fingers(dev->input, 0);
+
+ /* reset the accumulator on release */
+ memset(dev->xy_acc, 0, sizeof(dev->xy_acc));
+ }
+
+ input_report_key(dev->input, BTN_LEFT, key);
+ input_sync(dev->input);
+
+ exit:
+ retval = usb_submit_urb(dev->urb, GFP_ATOMIC);
+ if (retval)
+ err("atp_complete: usb_submit_urb failed with result %d",
+ retval);
+}
+
+/* Interrupt function for older touchpads: GEYSER3/GEYSER4 */
+
+static void atp_complete_geyser_3_4(struct urb *urb)
+{
+ int x, y, x_z, y_z, x_f, y_f;
+ int retval, i, j;
+ int key;
+ struct atp *dev = urb->context;
+ int status = atp_status_check(urb);
+
+ if (status == ATP_URB_STATUS_ERROR_FATAL)
+ return;
+ else if (status == ATP_URB_STATUS_ERROR)
+ goto exit;
+
+ /* Reorder the sensors values:
+ *
+ * The values are laid out like this:
+ * -, Y1, Y2, -, Y3, Y4, -, ..., -, X1, X2, -, X3, X4, ...
+ * '-' is an unused value.
+ */
+
+ /* read X values */
+ for (i = 0, j = 19; i < 20; i += 2, j += 3) {
+ dev->xy_cur[i] = dev->data[j + 1];
+ dev->xy_cur[i + 1] = dev->data[j + 2];
+ }
+ /* read Y values */
+ for (i = 0, j = 1; i < 9; i += 2, j += 3) {
+ dev->xy_cur[ATP_XSENSORS + i] = dev->data[j + 1];
+ dev->xy_cur[ATP_XSENSORS + i + 1] = dev->data[j + 2];
+ }
+
+ dbg_dump("sample", dev->xy_cur);
+
+ /* Just update the base values (i.e. touchpad in untouched state) */
+ if (dev->data[dev->datalen - 1] & ATP_STATUS_BASE_UPDATE) {
+
+ dprintk(KERN_DEBUG "appletouch: updated base values\n");
+
+ memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old));
+ goto exit;
+ }
+
+ for (i = 0; i < ATP_XSENSORS + ATP_YSENSORS; i++) {
+ /* calculate the change */
+ dev->xy_acc[i] = dev->xy_cur[i] - dev->xy_old[i];
+
+ /* this is a round-robin value, so couple with that */
+ if (dev->xy_acc[i] > 127)
+ dev->xy_acc[i] -= 256;
+
+ if (dev->xy_acc[i] < -127)
+ dev->xy_acc[i] += 256;
+
+ /* prevent down drifting */
+ if (dev->xy_acc[i] < 0)
+ dev->xy_acc[i] = 0;
+ }
+
+ dbg_dump("accumulator", dev->xy_acc);
+
+ x = atp_calculate_abs(dev->xy_acc, ATP_XSENSORS,
+ ATP_XFACT, &x_z, &x_f);
+ y = atp_calculate_abs(dev->xy_acc + ATP_XSENSORS, ATP_YSENSORS,
+ ATP_YFACT, &y_z, &y_f);
+ key = dev->data[dev->datalen - 1] & ATP_STATUS_BUTTON;
if (x && y) {
if (dev->x_old != -1) {
@@ -514,28 +652,27 @@ static void atp_complete(struct urb *urb)
input_sync(dev->input);
/*
- * Many Geysers will continue to send packets continually after
+ * Geysers 3/4 will continue to send packets continually after
* the first touch unless reinitialised. Do so if it's been
* idle for a while in order to avoid waking the kernel up
- * several hundred times a second. Re-initialization does not
- * work on Fountain touchpads.
+ * several hundred times a second.
*/
- if (dev->type != ATP_FOUNTAIN) {
- /*
- * Button must not be pressed when entering suspend,
- * otherwise we will never release the button.
- */
- if (!x && !y && !key) {
- dev->idlecount++;
- if (dev->idlecount == 10) {
- dev->valid = false;
- schedule_work(&dev->work);
- /* Don't resubmit urb here, wait for reinit */
- return;
- }
- } else
+
+ /*
+ * Button must not be pressed when entering suspend,
+ * otherwise we will never release the button.
+ */
+ if (!x && !y && !key) {
+ dev->idlecount++;
+ if (dev->idlecount == 10) {
+ dev->x_old = dev->y_old = -1;
dev->idlecount = 0;
- }
+ schedule_work(&dev->work);
+ /* Don't resubmit urb here, wait for reinit */
+ return;
+ }
+ } else
+ dev->idlecount = 0;
exit:
retval = usb_submit_urb(dev->urb, GFP_ATOMIC);
@@ -632,9 +769,19 @@ static int atp_probe(struct usb_interface *iface,
if (!dev->data)
goto err_free_urb;
- usb_fill_int_urb(dev->urb, udev,
- usb_rcvintpipe(udev, int_in_endpointAddr),
- dev->data, dev->datalen, atp_complete, dev, 1);
+ /* Select the USB complete (callback) function */
+ if (dev->type == ATP_FOUNTAIN ||
+ dev->type == ATP_GEYSER1 ||
+ dev->type == ATP_GEYSER2)
+ usb_fill_int_urb(dev->urb, udev,
+ usb_rcvintpipe(udev, int_in_endpointAddr),
+ dev->data, dev->datalen,
+ atp_complete_geyser_1_2, dev, 1);
+ else
+ usb_fill_int_urb(dev->urb, udev,
+ usb_rcvintpipe(udev, int_in_endpointAddr),
+ dev->data, dev->datalen,
+ atp_complete_geyser_3_4, dev, 1);
error = atp_handle_geyser(dev);
if (error)
@@ -751,8 +898,6 @@ static int atp_suspend(struct usb_interface *iface, pm_message_t message)
struct atp *dev = usb_get_intfdata(iface);
usb_kill_urb(dev->urb);
- dev->valid = false;
-
return 0;
}
diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c
new file mode 100644
index 0000000..e82d342
--- /dev/null
+++ b/drivers/input/mouse/hgpk.c
@@ -0,0 +1,477 @@
+/*
+ * OLPC HGPK (XO-1) touchpad PS/2 mouse driver
+ *
+ * Copyright (c) 2006-2008 One Laptop Per Child
+ * Authors:
+ * Zephaniah E. Hull
+ * Andres Salomon <dilinger@debian.org>
+ *
+ * This driver is partly based on the ALPS driver, which is:
+ *
+ * Copyright (c) 2003 Neil Brown <neilb@cse.unsw.edu.au>
+ * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com>
+ * Copyright (c) 2004 Dmitry Torokhov <dtor@mail.ru>
+ * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
+ *
+ * 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.
+ */
+
+/*
+ * The spec from ALPS is available from
+ * <http://wiki.laptop.org/go/Touch_Pad/Tablet>. It refers to this
+ * device as HGPK (Hybrid GS, PT, and Keymatrix).
+ *
+ * The earliest versions of the device had simultaneous reporting; that
+ * was removed. After that, the device used the Advanced Mode GS/PT streaming
+ * stuff. That turned out to be too buggy to support, so we've finally
+ * switched to Mouse Mode (which utilizes only the center 1/3 of the touchpad).
+ */
+
+#define DEBUG
+#include <linux/input.h>
+#include <linux/serio.h>
+#include <linux/libps2.h>
+#include <linux/delay.h>
+#include <asm/olpc.h>
+
+#include "psmouse.h"
+#include "hgpk.h"
+
+static int tpdebug;
+module_param(tpdebug, int, 0644);
+MODULE_PARM_DESC(tpdebug, "enable debugging, dumping packets to KERN_DEBUG.");
+
+static int recalib_delta = 100;
+module_param(recalib_delta, int, 0644);
+MODULE_PARM_DESC(recalib_delta,
+ "packets containing a delta this large will cause a recalibration.");
+
+/*
+ * When the touchpad gets ultra-sensitive, one can keep their finger 1/2"
+ * above the pad and still have it send packets. This causes a jump cursor
+ * when one places their finger on the pad. We can probably detect the
+ * jump as we see a large deltas (>= 100px). In mouse mode, I've been
+ * unable to even come close to 100px deltas during normal usage, so I think
+ * this threshold is safe. If a large delta occurs, trigger a recalibration.
+ */
+static void hgpk_jumpy_hack(struct psmouse *psmouse, int x, int y)
+{
+ struct hgpk_data *priv = psmouse->private;
+
+ if (abs(x) > recalib_delta || abs(y) > recalib_delta) {
+ hgpk_err(psmouse, ">%dpx jump detected (%d,%d)\n",
+ recalib_delta, x, y);
+ /* My car gets forty rods to the hogshead and that's the
+ * way I likes it! */
+ psmouse_queue_work(psmouse, &priv->recalib_wq,
+ msecs_to_jiffies(1000));
+ }
+}
+
+/*
+ * We have no idea why this particular hardware bug occurs. The touchpad
+ * will randomly start spewing packets without anything touching the
+ * pad. This wouldn't necessarily be bad, but it's indicative of a
+ * severely miscalibrated pad; attempting to use the touchpad while it's
+ * spewing means the cursor will jump all over the place, and act "drunk".
+ *
+ * The packets that are spewed tend to all have deltas between -2 and 2, and
+ * the cursor will move around without really going very far. It will
+ * tend to end up in the same location; if we tally up the changes over
+ * 100 packets, we end up w/ a final delta of close to 0. This happens
+ * pretty regularly when the touchpad is spewing, and is pretty hard to
+ * manually trigger (at least for *my* fingers). So, it makes a perfect
+ * scheme for detecting spews.
+ */
+static void hgpk_spewing_hack(struct psmouse *psmouse,
+ int l, int r, int x, int y)
+{
+ struct hgpk_data *priv = psmouse->private;
+
+ /* ignore button press packets; many in a row could trigger
+ * a false-positive! */
+ if (l || r)
+ return;
+
+ priv->x_tally += x;
+ priv->y_tally += y;
+
+ if (++priv->count > 100) {
+ if (abs(priv->x_tally) < 3 && abs(priv->y_tally) < 3) {
+ hgpk_dbg(psmouse, "packet spew detected (%d,%d)\n",
+ priv->x_tally, priv->y_tally);
+ psmouse_queue_work(psmouse, &priv->recalib_wq,
+ msecs_to_jiffies(1000));
+ }
+ /* reset every 100 packets */
+ priv->count = 0;
+ priv->x_tally = 0;
+ priv->y_tally = 0;
+ }
+}
+
+/*
+ * HGPK Mouse Mode format (standard mouse format, sans middle button)
+ *
+ * byte 0: y-over x-over y-neg x-neg 1 0 swr swl
+ * byte 1: x7 x6 x5 x4 x3 x2 x1 x0
+ * byte 2: y7 y6 y5 y4 y3 y2 y1 y0
+ *
+ * swr/swl are the left/right buttons.
+ * x-neg/y-neg are the x and y delta negative bits
+ * x-over/y-over are the x and y overflow bits
+ */
+static int hgpk_validate_byte(unsigned char *packet)
+{
+ return (packet[0] & 0x0C) == 0x08;
+}
+
+static void hgpk_process_packet(struct psmouse *psmouse)
+{
+ struct input_dev *dev = psmouse->dev;
+ unsigned char *packet = psmouse->packet;
+ int x, y, left, right;
+
+ left = packet[0] & 1;
+ right = (packet[0] >> 1) & 1;
+
+ x = packet[1] - ((packet[0] << 4) & 0x100);
+ y = ((packet[0] << 3) & 0x100) - packet[2];
+
+ hgpk_jumpy_hack(psmouse, x, y);
+ hgpk_spewing_hack(psmouse, left, right, x, y);
+
+ if (tpdebug)
+ hgpk_dbg(psmouse, "l=%d r=%d x=%d y=%d\n", left, right, x, y);
+
+ input_report_key(dev, BTN_LEFT, left);
+ input_report_key(dev, BTN_RIGHT, right);
+
+ input_report_rel(dev, REL_X, x);
+ input_report_rel(dev, REL_Y, y);
+
+ input_sync(dev);
+}
+
+static psmouse_ret_t hgpk_process_byte(struct psmouse *psmouse)
+{
+ struct hgpk_data *priv = psmouse->private;
+
+ if (hgpk_validate_byte(psmouse->packet)) {
+ hgpk_dbg(psmouse, "%s: (%d) %02x %02x %02x\n",
+ __func__, psmouse->pktcnt, psmouse->packet[0],
+ psmouse->packet[1], psmouse->packet[2]);
+ return PSMOUSE_BAD_DATA;
+ }
+
+ if (psmouse->pktcnt >= psmouse->pktsize) {
+ hgpk_process_packet(psmouse);
+ return PSMOUSE_FULL_PACKET;
+ }
+
+ if (priv->recalib_window) {
+ if (time_before(jiffies, priv->recalib_window)) {
+ /*
+ * ugh, got a packet inside our recalibration
+ * window, schedule another recalibration.
+ */
+ hgpk_dbg(psmouse,
+ "packet inside calibration window, "
+ "queueing another recalibration\n");
+ psmouse_queue_work(psmouse, &priv->recalib_wq,
+ msecs_to_jiffies(1000));
+ }
+ priv->recalib_window = 0;
+ }
+
+ return PSMOUSE_GOOD_DATA;
+}
+
+static int hgpk_force_recalibrate(struct psmouse *psmouse)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ struct hgpk_data *priv = psmouse->private;
+
+ /* C-series touchpads added the recalibrate command */
+ if (psmouse->model < HGPK_MODEL_C)
+ return 0;
+
+ /* we don't want to race with the irq handler, nor with resyncs */
+ psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
+
+ /* start by resetting the device */
+ psmouse_reset(psmouse);
+
+ /* send the recalibrate request */
+ if (ps2_command(ps2dev, NULL, 0xf5) ||
+ ps2_command(ps2dev, NULL, 0xf5) ||
+ ps2_command(ps2dev, NULL, 0xe6) ||
+ ps2_command(ps2dev, NULL, 0xf5)) {
+ return -1;
+ }
+
+ /* according to ALPS, 150mS is required for recalibration */
+ msleep(150);
+
+ /* XXX: If a finger is down during this delay, recalibration will
+ * detect capacitance incorrectly. This is a hardware bug, and
+ * we don't have a good way to deal with it. The 2s window stuff
+ * (below) is our best option for now.
+ */
+
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE))
+ return -1;
+
+ psmouse_set_state(psmouse, PSMOUSE_ACTIVATED);
+
+ /* After we recalibrate, we shouldn't get any packets for 2s. If
+ * we do, it's likely that someone's finger was on the touchpad.
+ * If someone's finger *was* on the touchpad, it's probably
+ * miscalibrated. So, we should schedule another recalibration
+ */
+ priv->recalib_window = jiffies + msecs_to_jiffies(2000);
+
+ return 0;
+}
+
+/*
+ * This kills power to the touchpad; according to ALPS, current consumption
+ * goes down to 50uA after running this. To turn power back on, we drive
+ * MS-DAT low.
+ */
+static int hgpk_toggle_power(struct psmouse *psmouse, int enable)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ int timeo;
+
+ /* Added on D-series touchpads */
+ if (psmouse->model < HGPK_MODEL_D)
+ return 0;
+
+ if (enable) {
+ psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
+
+ /*
+ * Sending a byte will drive MS-DAT low; this will wake up
+ * the controller. Once we get an ACK back from it, it
+ * means we can continue with the touchpad re-init. ALPS
+ * tells us that 1s should be long enough, so set that as
+ * the upper bound.
+ */
+ for (timeo = 20; timeo > 0; timeo--) {
+ if (!ps2_sendbyte(&psmouse->ps2dev,
+ PSMOUSE_CMD_DISABLE, 20))
+ break;
+ msleep(50);
+ }
+
+ psmouse_reset(psmouse);
+
+ /* should be all set, enable the touchpad */
+ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE);
+ psmouse_set_state(psmouse, PSMOUSE_ACTIVATED);
+
+ } else {
+ hgpk_dbg(psmouse, "Powering off touchpad.\n");
+ psmouse_set_state(psmouse, PSMOUSE_IGNORE);
+
+ if (ps2_command(ps2dev, NULL, 0xec) ||
+ ps2_command(ps2dev, NULL, 0xec) ||
+ ps2_command(ps2dev, NULL, 0xea)) {
+ return -1;
+ }
+
+ /* probably won't see an ACK, the touchpad will be off */
+ ps2_sendbyte(&psmouse->ps2dev, 0xec, 20);
+ }
+
+ return 0;
+}
+
+static int hgpk_poll(struct psmouse *psmouse)
+{
+ /* We can't poll, so always return failure. */
+ return -1;
+}
+
+static int hgpk_reconnect(struct psmouse *psmouse)
+{
+ /* During suspend/resume the ps2 rails remain powered. We don't want
+ * to do a reset because it's flush data out of buffers; however,
+ * earlier prototypes (B1) had some brokenness that required a reset. */
+ if (olpc_board_at_least(olpc_board(0xb2)))
+ if (psmouse->ps2dev.serio->dev.power.power_state.event !=
+ PM_EVENT_ON)
+ return 0;
+
+ psmouse_reset(psmouse);
+
+ return 0;
+}
+
+static ssize_t hgpk_show_powered(struct psmouse *psmouse, void *data, char *buf)
+{
+ struct hgpk_data *priv = psmouse->private;
+
+ return sprintf(buf, "%d\n", priv->powered);
+}
+
+static ssize_t hgpk_set_powered(struct psmouse *psmouse, void *data,
+ const char *buf, size_t count)
+{
+ struct hgpk_data *priv = psmouse->private;
+ unsigned long value;
+ int err;
+
+ err = strict_strtoul(buf, 10, &value);
+ if (err || value > 1)
+ return -EINVAL;
+
+ if (value != priv->powered) {
+ /*
+ * hgpk_toggle_power will deal w/ state so
+ * we're not racing w/ irq
+ */
+ err = hgpk_toggle_power(psmouse, value);
+ if (!err)
+ priv->powered = value;
+ }
+
+ return err ? err : count;
+}
+
+__PSMOUSE_DEFINE_ATTR(powered, S_IWUSR | S_IRUGO, NULL,
+ hgpk_show_powered, hgpk_set_powered, 0);
+
+static void hgpk_disconnect(struct psmouse *psmouse)
+{
+ struct hgpk_data *priv = psmouse->private;
+
+ device_remove_file(&psmouse->ps2dev.serio->dev,
+ &psmouse_attr_powered.dattr);
+ psmouse_reset(psmouse);
+ kfree(priv);
+}
+
+static void hgpk_recalib_work(struct work_struct *work)
+{
+ struct delayed_work *w = container_of(work, struct delayed_work, work);
+ struct hgpk_data *priv = container_of(w, struct hgpk_data, recalib_wq);
+ struct psmouse *psmouse = priv->psmouse;
+
+ hgpk_dbg(psmouse, "recalibrating touchpad..\n");
+
+ if (hgpk_force_recalibrate(psmouse))
+ hgpk_err(psmouse, "recalibration failed!\n");
+}
+
+static int hgpk_register(struct psmouse *psmouse)
+{
+ struct input_dev *dev = psmouse->dev;
+ int err;
+
+ /* unset the things that psmouse-base sets which we don't have */
+ __clear_bit(BTN_MIDDLE, dev->keybit);
+
+ /* set the things we do have */
+ __set_bit(EV_KEY, dev->evbit);
+ __set_bit(EV_REL, dev->evbit);
+
+ __set_bit(REL_X, dev->relbit);
+ __set_bit(REL_Y, dev->relbit);
+
+ __set_bit(BTN_LEFT, dev->keybit);
+ __set_bit(BTN_RIGHT, dev->keybit);
+
+ /* register handlers */
+ psmouse->protocol_handler = hgpk_process_byte;
+ psmouse->poll = hgpk_poll;
+ psmouse->disconnect = hgpk_disconnect;
+ psmouse->reconnect = hgpk_reconnect;
+ psmouse->pktsize = 3;
+
+ /* Disable the idle resync. */
+ psmouse->resync_time = 0;
+ /* Reset after a lot of bad bytes. */
+ psmouse->resetafter = 1024;
+
+ err = device_create_file(&psmouse->ps2dev.serio->dev,
+ &psmouse_attr_powered.dattr);
+ if (err)
+ hgpk_err(psmouse, "Failed to create sysfs attribute\n");
+
+ return err;
+}
+
+int hgpk_init(struct psmouse *psmouse)
+{
+ struct hgpk_data *priv;
+ int err = -ENOMEM;
+
+ priv = kzalloc(sizeof(struct hgpk_data), GFP_KERNEL);
+ if (!priv)
+ goto alloc_fail;
+
+ psmouse->private = priv;
+ priv->psmouse = psmouse;
+ priv->powered = 1;
+ INIT_DELAYED_WORK(&priv->recalib_wq, hgpk_recalib_work);
+
+ err = psmouse_reset(psmouse);
+ if (err)
+ goto init_fail;
+
+ err = hgpk_register(psmouse);
+ if (err)
+ goto init_fail;
+
+ return 0;
+
+init_fail:
+ kfree(priv);
+alloc_fail:
+ return err;
+}
+
+static enum hgpk_model_t hgpk_get_model(struct psmouse *psmouse)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ unsigned char param[3];
+
+ /* E7, E7, E7, E9 gets us a 3 byte identifier */
+ if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
+ ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) {
+ return -EIO;
+ }
+
+ hgpk_dbg(psmouse, "ID: %02x %02x %02x", param[0], param[1], param[2]);
+
+ /* HGPK signature: 0x67, 0x00, 0x<model> */
+ if (param[0] != 0x67 || param[1] != 0x00)
+ return -ENODEV;
+
+ hgpk_info(psmouse, "OLPC touchpad revision 0x%x\n", param[2]);
+
+ return param[2];
+}
+
+int hgpk_detect(struct psmouse *psmouse, int set_properties)
+{
+ int version;
+
+ version = hgpk_get_model(psmouse);
+ if (version < 0)
+ return version;
+
+ if (set_properties) {
+ psmouse->vendor = "ALPS";
+ psmouse->name = "HGPK";
+ psmouse->model = version;
+ }
+
+ return 0;
+}
diff --git a/drivers/input/mouse/hgpk.h b/drivers/input/mouse/hgpk.h
new file mode 100644
index 0000000..a4b2a96
--- /dev/null
+++ b/drivers/input/mouse/hgpk.h
@@ -0,0 +1,49 @@
+/*
+ * OLPC HGPK (XO-1) touchpad PS/2 mouse driver
+ */
+
+#ifndef _HGPK_H
+#define _HGPK_H
+
+enum hgpk_model_t {
+ HGPK_MODEL_PREA = 0x0a, /* pre-B1s */
+ HGPK_MODEL_A = 0x14, /* found on B1s, PT disabled in hardware */
+ HGPK_MODEL_B = 0x28, /* B2s, has capacitance issues */
+ HGPK_MODEL_C = 0x3c,
+ HGPK_MODEL_D = 0x50, /* C1, mass production */
+};
+
+struct hgpk_data {
+ struct psmouse *psmouse;
+ int powered;
+ int count, x_tally, y_tally; /* hardware workaround stuff */
+ unsigned long recalib_window;
+ struct delayed_work recalib_wq;
+};
+
+#define hgpk_dbg(psmouse, format, arg...) \
+ dev_dbg(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+#define hgpk_err(psmouse, format, arg...) \
+ dev_err(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+#define hgpk_info(psmouse, format, arg...) \
+ dev_info(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+#define hgpk_warn(psmouse, format, arg...) \
+ dev_warn(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+#define hgpk_notice(psmouse, format, arg...) \
+ dev_notice(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+
+#ifdef CONFIG_MOUSE_PS2_OLPC
+int hgpk_detect(struct psmouse *psmouse, int set_properties);
+int hgpk_init(struct psmouse *psmouse);
+#else
+static inline int hgpk_detect(struct psmouse *psmouse, int set_properties)
+{
+ return -ENODEV;
+}
+static inline int hgpk_init(struct psmouse *psmouse)
+{
+ return -ENODEV;
+}
+#endif
+
+#endif
diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index 0c5660d..390f1db 100644
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -157,10 +157,8 @@ static ssize_t ps2pp_attr_show_smartscroll(struct psmouse *psmouse, void *data,
static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
unsigned long value;
- char *rest;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest || value > 1)
+ if (strict_strtoul(buf, 10, &value) || value > 1)
return -EINVAL;
ps2pp_set_smartscroll(psmouse, value);
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index f5a6be1..126e977 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -25,6 +25,7 @@
#include "synaptics.h"
#include "logips2pp.h"
#include "alps.h"
+#include "hgpk.h"
#include "lifebook.h"
#include "trackpoint.h"
#include "touchkit_ps2.h"
@@ -201,6 +202,12 @@ static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
return PSMOUSE_FULL_PACKET;
}
+void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
+ unsigned long delay)
+{
+ queue_delayed_work(kpsmoused_wq, work, delay);
+}
+
/*
* __psmouse_set_state() sets new psmouse state and resets all flags.
*/
@@ -220,7 +227,7 @@ static inline void __psmouse_set_state(struct psmouse *psmouse, enum psmouse_sta
* is not a concern.
*/
-static void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
+void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
{
serio_pause_rx(psmouse->ps2dev.serio);
__psmouse_set_state(psmouse, new_state);
@@ -305,7 +312,7 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
psmouse->name, psmouse->phys, psmouse->pktcnt);
psmouse->badbyte = psmouse->packet[0];
__psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
- queue_work(kpsmoused_wq, &psmouse->resync_work);
+ psmouse_queue_work(psmouse, &psmouse->resync_work, 0);
goto out;
}
@@ -342,7 +349,7 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
time_after(jiffies, psmouse->last + psmouse->resync_time * HZ)) {
psmouse->badbyte = psmouse->packet[0];
__psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
- queue_work(kpsmoused_wq, &psmouse->resync_work);
+ psmouse_queue_work(psmouse, &psmouse->resync_work, 0);
goto out;
}
@@ -630,8 +637,20 @@ static int psmouse_extensions(struct psmouse *psmouse,
}
}
- if (max_proto > PSMOUSE_IMEX) {
+/*
+ * Try OLPC HGPK touchpad.
+ */
+ if (max_proto > PSMOUSE_IMEX &&
+ hgpk_detect(psmouse, set_properties) == 0) {
+ if (!set_properties || hgpk_init(psmouse) == 0)
+ return PSMOUSE_HGPK;
+/*
+ * Init failed, try basic relative protocols
+ */
+ max_proto = PSMOUSE_IMEX;
+ }
+ if (max_proto > PSMOUSE_IMEX) {
if (genius_detect(psmouse, set_properties) == 0)
return PSMOUSE_GENPS;
@@ -762,6 +781,14 @@ static const struct psmouse_protocol psmouse_protocols[] = {
.detect = touchkit_ps2_detect,
},
#endif
+#ifdef CONFIG_MOUSE_PS2_OLPC
+ {
+ .type = PSMOUSE_HGPK,
+ .name = "OLPC HGPK",
+ .alias = "hgpk",
+ .detect = hgpk_detect,
+ },
+#endif
{
.type = PSMOUSE_CORTRON,
.name = "CortronPS/2",
@@ -935,7 +962,7 @@ static int psmouse_poll(struct psmouse *psmouse)
static void psmouse_resync(struct work_struct *work)
{
struct psmouse *parent = NULL, *psmouse =
- container_of(work, struct psmouse, resync_work);
+ container_of(work, struct psmouse, resync_work.work);
struct serio *serio = psmouse->ps2dev.serio;
psmouse_ret_t rc = PSMOUSE_GOOD_DATA;
int failed = 0, enabled = 0;
@@ -1194,7 +1221,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv)
goto err_free;
ps2_init(&psmouse->ps2dev, serio);
- INIT_WORK(&psmouse->resync_work, psmouse_resync);
+ INIT_DELAYED_WORK(&psmouse->resync_work, psmouse_resync);
psmouse->dev = input_dev;
snprintf(psmouse->phys, sizeof(psmouse->phys), "%s/input0", serio->phys);
@@ -1395,25 +1422,29 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev
psmouse = serio_get_drvdata(serio);
- if (psmouse->state == PSMOUSE_IGNORE) {
- retval = -ENODEV;
- goto out_unlock;
- }
+ if (attr->protect) {
+ if (psmouse->state == PSMOUSE_IGNORE) {
+ retval = -ENODEV;
+ goto out_unlock;
+ }
- if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
- parent = serio_get_drvdata(serio->parent);
- psmouse_deactivate(parent);
- }
+ if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
+ parent = serio_get_drvdata(serio->parent);
+ psmouse_deactivate(parent);
+ }
- psmouse_deactivate(psmouse);
+ psmouse_deactivate(psmouse);
+ }
retval = attr->set(psmouse, attr->data, buf, count);
- if (retval != -ENODEV)
- psmouse_activate(psmouse);
+ if (attr->protect) {
+ if (retval != -ENODEV)
+ psmouse_activate(psmouse);
- if (parent)
- psmouse_activate(parent);
+ if (parent)
+ psmouse_activate(parent);
+ }
out_unlock:
mutex_unlock(&psmouse_mutex);
@@ -1433,10 +1464,8 @@ static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const
{
unsigned int *field = (unsigned int *)((char *)psmouse + (size_t)offset);
unsigned long value;
- char *rest;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest)
+ if (strict_strtoul(buf, 10, &value))
return -EINVAL;
if ((unsigned int)value != value)
@@ -1549,10 +1578,8 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co
static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
unsigned long value;
- char *rest;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest)
+ if (strict_strtoul(buf, 10, &value))
return -EINVAL;
psmouse->set_rate(psmouse, value);
@@ -1562,10 +1589,8 @@ static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, void *data, const
static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
unsigned long value;
- char *rest;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest)
+ if (strict_strtoul(buf, 10, &value))
return -EINVAL;
psmouse->set_resolution(psmouse, value);
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index 1317bdd..8b608a1 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -39,7 +39,7 @@ struct psmouse {
void *private;
struct input_dev *dev;
struct ps2dev ps2dev;
- struct work_struct resync_work;
+ struct delayed_work resync_work;
char *vendor;
char *name;
unsigned char packet[8];
@@ -89,20 +89,24 @@ enum psmouse_type {
PSMOUSE_TRACKPOINT,
PSMOUSE_TOUCHKIT_PS2,
PSMOUSE_CORTRON,
+ PSMOUSE_HGPK,
PSMOUSE_AUTO /* This one should always be last */
};
+void psmouse_queue_work(struct psmouse *psmouse, struct delayed_work *work,
+ unsigned long delay);
int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
int psmouse_reset(struct psmouse *psmouse);
+void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
-
struct psmouse_attribute {
struct device_attribute dattr;
void *data;
ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
ssize_t (*set)(struct psmouse *psmouse, void *data,
const char *buf, size_t count);
+ int protect;
};
#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
@@ -111,7 +115,7 @@ ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *at
ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
-#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
+#define __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, _protect) \
static ssize_t _show(struct psmouse *, void *data, char *); \
static ssize_t _set(struct psmouse *, void *data, const char *, size_t); \
static struct psmouse_attribute psmouse_attr_##_name = { \
@@ -126,6 +130,10 @@ static struct psmouse_attribute psmouse_attr_##_name = { \
.data = _data, \
.show = _show, \
.set = _set, \
+ .protect = _protect, \
}
+#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
+ __PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set, 1)
+
#endif /* _PSMOUSE_H */
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 26b845fc..e68c814 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -89,10 +89,8 @@ static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
struct trackpoint_attr_data *attr = data;
unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
unsigned long value;
- char *rest;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest || value > 255)
+ if (strict_strtoul(buf, 10, &value) || value > 255)
return -EINVAL;
*field = value;
@@ -117,10 +115,8 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
struct trackpoint_attr_data *attr = data;
unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
unsigned long value;
- char *rest;
- value = simple_strtoul(buf, &rest, 10);
- if (*rest || value > 1)
+ if (strict_strtoul(buf, 10, &value) || value > 1)
return -EINVAL;
if (attr->inverted)
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 5aafe24..a321aea 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -322,6 +322,13 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
},
},
+ {
+ .ident = "IBM 2656",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
+ },
+ },
{ }
};
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index c9397c8..470770c 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -373,6 +373,12 @@ static struct serio_device_id serio_raw_serio_ids[] = {
.id = SERIO_ANY,
.extra = SERIO_ANY,
},
+ {
+ .type = SERIO_8042_XL,
+ .proto = SERIO_ANY,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
{ 0 }
};
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 8f037a1..e53c838 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1202,16 +1202,22 @@ static ssize_t
store_tabletXtilt(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct aiptek *aiptek = dev_get_drvdata(dev);
- int x;
+ long x;
+
+ if (strict_strtol(buf, 10, &x)) {
+ size_t len = buf[count - 1] == '\n' ? count - 1 : count;
+
+ if (strncmp(buf, "disable", len))
+ return -EINVAL;
- if (strcmp(buf, "disable") == 0) {
aiptek->newSetting.xTilt = AIPTEK_TILT_DISABLE;
} else {
- x = (int)simple_strtol(buf, NULL, 10);
- if (x >= AIPTEK_TILT_MIN && x <= AIPTEK_TILT_MAX) {
- aiptek->newSetting.xTilt = x;
- }
+ if (x < AIPTEK_TILT_MIN || x > AIPTEK_TILT_MAX)
+ return -EINVAL;
+
+ aiptek->newSetting.xTilt = x;
}
+
return count;
}
@@ -1238,16 +1244,22 @@ static ssize_t
store_tabletYtilt(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct aiptek *aiptek = dev_get_drvdata(dev);
- int y;
+ long y;
+
+ if (strict_strtol(buf, 10, &y)) {
+ size_t len = buf[count - 1] == '\n' ? count - 1 : count;
+
+ if (strncmp(buf, "disable", len))
+ return -EINVAL;
- if (strcmp(buf, "disable") == 0) {
aiptek->newSetting.yTilt = AIPTEK_TILT_DISABLE;
} else {
- y = (int)simple_strtol(buf, NULL, 10);
- if (y >= AIPTEK_TILT_MIN && y <= AIPTEK_TILT_MAX) {
- aiptek->newSetting.yTilt = y;
- }
+ if (y < AIPTEK_TILT_MIN || y > AIPTEK_TILT_MAX)
+ return -EINVAL;
+
+ aiptek->newSetting.yTilt = y;
}
+
return count;
}
@@ -1269,8 +1281,12 @@ static ssize_t
store_tabletJitterDelay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct aiptek *aiptek = dev_get_drvdata(dev);
+ long j;
+
+ if (strict_strtol(buf, 10, &j))
+ return -EINVAL;
- aiptek->newSetting.jitterDelay = (int)simple_strtol(buf, NULL, 10);
+ aiptek->newSetting.jitterDelay = (int)j;
return count;
}
@@ -1294,8 +1310,12 @@ static ssize_t
store_tabletProgrammableDelay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct aiptek *aiptek = dev_get_drvdata(dev);
+ long d;
- aiptek->newSetting.programmableDelay = (int)simple_strtol(buf, NULL, 10);
+ if (strict_strtol(buf, 10, &d))
+ return -EINVAL;
+
+ aiptek->newSetting.programmableDelay = (int)d;
return count;
}
@@ -1541,8 +1561,11 @@ static ssize_t
store_tabletWheel(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct aiptek *aiptek = dev_get_drvdata(dev);
+ long w;
+
+ if (strict_strtol(buf, 10, &w)) return -EINVAL;
- aiptek->newSetting.wheel = (int)simple_strtol(buf, NULL, 10);
+ aiptek->newSetting.wheel = (int)w;
return count;
}
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index ce6f48c..b9b7fc6 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -24,6 +24,7 @@
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
+#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <asm/irq.h>
@@ -68,6 +69,17 @@ struct ts_event {
int ignore;
};
+/*
+ * We allocate this separately to avoid cache line sharing issues when
+ * driver is used with DMA-based SPI controllers (like atmel_spi) on
+ * systems where main memory is not DMA-coherent (most non-x86 boards).
+ */
+struct ads7846_packet {
+ u8 read_x, read_y, read_z1, read_z2, pwrdown;
+ u16 dummy; /* for the pwrdown read */
+ struct ts_event tc;
+};
+
struct ads7846 {
struct input_dev *input;
char phys[32];
@@ -85,9 +97,7 @@ struct ads7846 {
u16 x_plate_ohms;
u16 pressure_max;
- u8 read_x, read_y, read_z1, read_z2, pwrdown;
- u16 dummy; /* for the pwrdown read */
- struct ts_event tc;
+ struct ads7846_packet *packet;
struct spi_transfer xfer[18];
struct spi_message msg[5];
@@ -116,6 +126,7 @@ struct ads7846 {
void *filter_data;
void (*filter_cleanup)(void *data);
int (*get_pendown_state)(void);
+ int gpio_pendown;
};
/* leave chip selected when we're done, for quicker re-select? */
@@ -461,10 +472,11 @@ static ssize_t ads7846_disable_store(struct device *dev,
const char *buf, size_t count)
{
struct ads7846 *ts = dev_get_drvdata(dev);
- char *endp;
- int i;
+ long i;
+
+ if (strict_strtoul(buf, 10, &i))
+ return -EINVAL;
- i = simple_strtoul(buf, &endp, 10);
spin_lock_irq(&ts->lock);
if (i)
@@ -491,6 +503,14 @@ static struct attribute_group ads784x_attr_group = {
/*--------------------------------------------------------------------------*/
+static int get_pendown_state(struct ads7846 *ts)
+{
+ if (ts->get_pendown_state)
+ return ts->get_pendown_state();
+
+ return !gpio_get_value(ts->gpio_pendown);
+}
+
/*
* PENIRQ only kicks the timer. The timer only reissues the SPI transfer,
* to retrieve touchscreen status.
@@ -502,16 +522,17 @@ static struct attribute_group ads784x_attr_group = {
static void ads7846_rx(void *ads)
{
struct ads7846 *ts = ads;
+ struct ads7846_packet *packet = ts->packet;
unsigned Rt;
u16 x, y, z1, z2;
/* ads7846_rx_val() did in-place conversion (including byteswap) from
* on-the-wire format as part of debouncing to get stable readings.
*/
- x = ts->tc.x;
- y = ts->tc.y;
- z1 = ts->tc.z1;
- z2 = ts->tc.z2;
+ x = packet->tc.x;
+ y = packet->tc.y;
+ z1 = packet->tc.z1;
+ z2 = packet->tc.z2;
/* range filtering */
if (x == MAX_12BIT)
@@ -535,10 +556,10 @@ static void ads7846_rx(void *ads)
* the maximum. Don't report it to user space, repeat at least
* once more the measurement
*/
- if (ts->tc.ignore || Rt > ts->pressure_max) {
+ if (packet->tc.ignore || Rt > ts->pressure_max) {
#ifdef VERBOSE
pr_debug("%s: ignored %d pressure %d\n",
- ts->spi->dev.bus_id, ts->tc.ignore, Rt);
+ ts->spi->dev.bus_id, packet->tc.ignore, Rt);
#endif
hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_PERIOD),
HRTIMER_MODE_REL);
@@ -550,7 +571,7 @@ static void ads7846_rx(void *ads)
*/
if (ts->penirq_recheck_delay_usecs) {
udelay(ts->penirq_recheck_delay_usecs);
- if (!ts->get_pendown_state())
+ if (!get_pendown_state(ts))
Rt = 0;
}
@@ -631,6 +652,7 @@ static int ads7846_no_filter(void *ads, int data_idx, int *val)
static void ads7846_rx_val(void *ads)
{
struct ads7846 *ts = ads;
+ struct ads7846_packet *packet = ts->packet;
struct spi_message *m;
struct spi_transfer *t;
int val;
@@ -650,7 +672,7 @@ static void ads7846_rx_val(void *ads)
case ADS7846_FILTER_REPEAT:
break;
case ADS7846_FILTER_IGNORE:
- ts->tc.ignore = 1;
+ packet->tc.ignore = 1;
/* Last message will contain ads7846_rx() as the
* completion function.
*/
@@ -658,7 +680,7 @@ static void ads7846_rx_val(void *ads)
break;
case ADS7846_FILTER_OK:
*(u16 *)t->rx_buf = val;
- ts->tc.ignore = 0;
+ packet->tc.ignore = 0;
m = &ts->msg[++ts->msg_idx];
break;
default:
@@ -677,7 +699,7 @@ static enum hrtimer_restart ads7846_timer(struct hrtimer *handle)
spin_lock_irq(&ts->lock);
- if (unlikely(!ts->get_pendown_state() ||
+ if (unlikely(!get_pendown_state(ts) ||
device_suspended(&ts->spi->dev))) {
if (ts->pendown) {
struct input_dev *input = ts->input;
@@ -716,7 +738,7 @@ static irqreturn_t ads7846_irq(int irq, void *handle)
unsigned long flags;
spin_lock_irqsave(&ts->lock, flags);
- if (likely(ts->get_pendown_state())) {
+ if (likely(get_pendown_state(ts))) {
if (!ts->irq_disabled) {
/* The ARM do_simple_IRQ() dispatcher doesn't act
* like the other dispatchers: it will report IRQs
@@ -763,7 +785,6 @@ static void ads7846_disable(struct ads7846 *ts)
/* we know the chip's in lowpower mode since we always
* leave it that way after every request
*/
-
}
/* Must be called with ts->lock held */
@@ -806,9 +827,40 @@ static int ads7846_resume(struct spi_device *spi)
return 0;
}
+static int __devinit setup_pendown(struct spi_device *spi, struct ads7846 *ts)
+{
+ struct ads7846_platform_data *pdata = spi->dev.platform_data;
+ int err;
+
+ /* REVISIT when the irq can be triggered active-low, or if for some
+ * reason the touchscreen isn't hooked up, we don't need to access
+ * the pendown state.
+ */
+ if (!pdata->get_pendown_state && !gpio_is_valid(pdata->gpio_pendown)) {
+ dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
+ return -EINVAL;
+ }
+
+ if (pdata->get_pendown_state) {
+ ts->get_pendown_state = pdata->get_pendown_state;
+ return 0;
+ }
+
+ err = gpio_request(pdata->gpio_pendown, "ads7846_pendown");
+ if (err) {
+ dev_err(&spi->dev, "failed to request pendown GPIO%d\n",
+ pdata->gpio_pendown);
+ return err;
+ }
+
+ ts->gpio_pendown = pdata->gpio_pendown;
+ return 0;
+}
+
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;
@@ -833,15 +885,6 @@ static int __devinit ads7846_probe(struct spi_device *spi)
return -EINVAL;
}
- /* REVISIT when the irq can be triggered active-low, or if for some
- * reason the touchscreen isn't hooked up, we don't need to access
- * the pendown state.
- */
- if (pdata->get_pendown_state == NULL) {
- dev_dbg(&spi->dev, "no get_pendown_state function?\n");
- return -EINVAL;
- }
-
/* We'd set TX wordsize 8 bits and RX wordsize to 13 bits ... except
* that even if the hardware can do that, the SPI controller driver
* may not. So we stick to very-portable 8 bit words, both RX and TX.
@@ -853,14 +896,16 @@ static int __devinit ads7846_probe(struct spi_device *spi)
return err;
ts = kzalloc(sizeof(struct ads7846), GFP_KERNEL);
+ packet = kzalloc(sizeof(struct ads7846_packet), GFP_KERNEL);
input_dev = input_allocate_device();
- if (!ts || !input_dev) {
+ if (!ts || !packet || !input_dev) {
err = -ENOMEM;
goto err_free_mem;
}
dev_set_drvdata(&spi->dev, ts);
+ ts->packet = packet;
ts->spi = spi;
ts->input = input_dev;
ts->vref_mv = pdata->vref_mv;
@@ -893,7 +938,10 @@ static int __devinit ads7846_probe(struct spi_device *spi)
ts->filter_data = ts;
} else
ts->filter = ads7846_no_filter;
- ts->get_pendown_state = pdata->get_pendown_state;
+
+ err = setup_pendown(spi, ts);
+ if (err)
+ goto err_cleanup_filter;
if (pdata->penirq_recheck_delay_usecs)
ts->penirq_recheck_delay_usecs =
@@ -929,13 +977,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
/* y- still on; turn on only y+ (and ADC) */
- ts->read_y = READ_Y(vref);
- x->tx_buf = &ts->read_y;
+ 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 = &ts->tc.y;
+ x->rx_buf = &packet->tc.y;
x->len = 2;
spi_message_add_tail(x, m);
@@ -947,12 +995,12 @@ static int __devinit ads7846_probe(struct spi_device *spi)
x->delay_usecs = pdata->settle_delay_usecs;
x++;
- x->tx_buf = &ts->read_y;
+ x->tx_buf = &packet->read_y;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.y;
+ x->rx_buf = &packet->tc.y;
x->len = 2;
spi_message_add_tail(x, m);
}
@@ -965,13 +1013,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
/* turn y- off, x+ on, then leave in lowpower */
x++;
- ts->read_x = READ_X(vref);
- x->tx_buf = &ts->read_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 = &ts->tc.x;
+ x->rx_buf = &packet->tc.x;
x->len = 2;
spi_message_add_tail(x, m);
@@ -980,12 +1028,12 @@ static int __devinit ads7846_probe(struct spi_device *spi)
x->delay_usecs = pdata->settle_delay_usecs;
x++;
- x->tx_buf = &ts->read_x;
+ x->tx_buf = &packet->read_x;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.x;
+ x->rx_buf = &packet->tc.x;
x->len = 2;
spi_message_add_tail(x, m);
}
@@ -999,13 +1047,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
x++;
- ts->read_z1 = READ_Z1(vref);
- x->tx_buf = &ts->read_z1;
+ packet->read_z1 = READ_Z1(vref);
+ x->tx_buf = &packet->read_z1;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.z1;
+ x->rx_buf = &packet->tc.z1;
x->len = 2;
spi_message_add_tail(x, m);
@@ -1014,12 +1062,12 @@ static int __devinit ads7846_probe(struct spi_device *spi)
x->delay_usecs = pdata->settle_delay_usecs;
x++;
- x->tx_buf = &ts->read_z1;
+ x->tx_buf = &packet->read_z1;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.z1;
+ x->rx_buf = &packet->tc.z1;
x->len = 2;
spi_message_add_tail(x, m);
}
@@ -1031,13 +1079,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
x++;
- ts->read_z2 = READ_Z2(vref);
- x->tx_buf = &ts->read_z2;
+ packet->read_z2 = READ_Z2(vref);
+ x->tx_buf = &packet->read_z2;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.z2;
+ x->rx_buf = &packet->tc.z2;
x->len = 2;
spi_message_add_tail(x, m);
@@ -1046,12 +1094,12 @@ static int __devinit ads7846_probe(struct spi_device *spi)
x->delay_usecs = pdata->settle_delay_usecs;
x++;
- x->tx_buf = &ts->read_z2;
+ x->tx_buf = &packet->read_z2;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.z2;
+ x->rx_buf = &packet->tc.z2;
x->len = 2;
spi_message_add_tail(x, m);
}
@@ -1065,13 +1113,13 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
x++;
- ts->pwrdown = PWRDOWN;
- x->tx_buf = &ts->pwrdown;
+ packet->pwrdown = PWRDOWN;
+ x->tx_buf = &packet->pwrdown;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->dummy;
+ x->rx_buf = &packet->dummy;
x->len = 2;
CS_CHANGE(*x);
spi_message_add_tail(x, m);
@@ -1085,7 +1133,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi->dev.driver->name, ts)) {
dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
err = -EBUSY;
- goto err_cleanup_filter;
+ goto err_free_gpio;
}
err = ads784x_hwmon_register(spi, ts);
@@ -1116,11 +1164,15 @@ static int __devinit ads7846_probe(struct spi_device *spi)
ads784x_hwmon_unregister(spi, ts);
err_free_irq:
free_irq(spi->irq, ts);
+ err_free_gpio:
+ if (ts->gpio_pendown != -1)
+ gpio_free(ts->gpio_pendown);
err_cleanup_filter:
if (ts->filter_cleanup)
ts->filter_cleanup(ts->filter_data);
err_free_mem:
input_free_device(input_dev);
+ kfree(packet);
kfree(ts);
return err;
}
@@ -1140,9 +1192,13 @@ static int __devexit ads7846_remove(struct spi_device *spi)
/* suspend left the IRQ disabled */
enable_irq(ts->spi->irq);
+ if (ts->gpio_pendown != -1)
+ gpio_free(ts->gpio_pendown);
+
if (ts->filter_cleanup)
ts->filter_cleanup(ts->filter_data);
+ kfree(ts->packet);
kfree(ts);
dev_dbg(&spi->dev, "unregistered touchscreen\n");
diff --git a/drivers/input/touchscreen/atmel_tsadcc.c b/drivers/input/touchscreen/atmel_tsadcc.c
index eee126b..a89a6a8 100644
--- a/drivers/input/touchscreen/atmel_tsadcc.c
+++ b/drivers/input/touchscreen/atmel_tsadcc.c
@@ -91,6 +91,9 @@ struct atmel_tsadcc {
char phys[32];
struct clk *clk;
int irq;
+ unsigned int prev_absx;
+ unsigned int prev_absy;
+ unsigned char bufferedmeasure;
};
static void __iomem *tsc_base;
@@ -100,10 +103,9 @@ static void __iomem *tsc_base;
static irqreturn_t atmel_tsadcc_interrupt(int irq, void *dev)
{
- struct input_dev *input_dev = ((struct atmel_tsadcc *)dev)->input;
+ struct atmel_tsadcc *ts_dev = (struct atmel_tsadcc *)dev;
+ struct input_dev *input_dev = ts_dev->input;
- unsigned int absx;
- unsigned int absy;
unsigned int status;
unsigned int reg;
@@ -121,6 +123,7 @@ static irqreturn_t atmel_tsadcc_interrupt(int irq, void *dev)
atmel_tsadcc_write(ATMEL_TSADCC_IER, ATMEL_TSADCC_PENCNT);
input_report_key(input_dev, BTN_TOUCH, 0);
+ ts_dev->bufferedmeasure = 0;
input_sync(input_dev);
} else if (status & ATMEL_TSADCC_PENCNT) {
@@ -138,16 +141,23 @@ static irqreturn_t atmel_tsadcc_interrupt(int irq, void *dev)
} else if (status & ATMEL_TSADCC_EOC(3)) {
/* Conversion finished */
- absx = atmel_tsadcc_read(ATMEL_TSADCC_CDR3) << 10;
- absx /= atmel_tsadcc_read(ATMEL_TSADCC_CDR2);
-
- absy = atmel_tsadcc_read(ATMEL_TSADCC_CDR1) << 10;
- absy /= atmel_tsadcc_read(ATMEL_TSADCC_CDR0);
-
- input_report_abs(input_dev, ABS_X, absx);
- input_report_abs(input_dev, ABS_Y, absy);
- input_report_key(input_dev, BTN_TOUCH, 1);
- input_sync(input_dev);
+ if (ts_dev->bufferedmeasure) {
+ /* Last measurement is always discarded, since it can
+ * be erroneous.
+ * Always report previous measurement */
+ input_report_abs(input_dev, ABS_X, ts_dev->prev_absx);
+ input_report_abs(input_dev, ABS_Y, ts_dev->prev_absy);
+ input_report_key(input_dev, BTN_TOUCH, 1);
+ input_sync(input_dev);
+ } else
+ ts_dev->bufferedmeasure = 1;
+
+ /* Now make new measurement */
+ ts_dev->prev_absx = atmel_tsadcc_read(ATMEL_TSADCC_CDR3) << 10;
+ ts_dev->prev_absx /= atmel_tsadcc_read(ATMEL_TSADCC_CDR2);
+
+ ts_dev->prev_absy = atmel_tsadcc_read(ATMEL_TSADCC_CDR1) << 10;
+ ts_dev->prev_absy /= atmel_tsadcc_read(ATMEL_TSADCC_CDR0);
}
return IRQ_HANDLED;
@@ -223,6 +233,7 @@ static int __devinit atmel_tsadcc_probe(struct platform_device *pdev)
}
ts_dev->input = input_dev;
+ ts_dev->bufferedmeasure = 0;
snprintf(ts_dev->phys, sizeof(ts_dev->phys),
"%s/input0", pdev->dev.bus_id);
diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index 37a555f..ba64875 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -3,8 +3,7 @@
* Wolfson WM97xx AC97 Codecs.
*
* Copyright 2004, 2007 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
*
@@ -296,6 +295,6 @@ module_init(mainstone_wm97xx_init);
module_exit(mainstone_wm97xx_exit);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("wm97xx continuous touch driver for mainstone");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/wm9705.c b/drivers/input/touchscreen/wm9705.c
index 372efbc..6b5be74 100644
--- a/drivers/input/touchscreen/wm9705.c
+++ b/drivers/input/touchscreen/wm9705.c
@@ -2,8 +2,7 @@
* wm9705.c -- Codec driver for Wolfson WM9705 AC97 Codec.
*
* Copyright 2003, 2004, 2005, 2006, 2007 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
* Russell King <rmk@arm.linux.org.uk>
@@ -347,6 +346,6 @@ struct wm97xx_codec_drv wm9705_codec = {
EXPORT_SYMBOL_GPL(wm9705_codec);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("WM9705 Touch Screen Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/wm9712.c b/drivers/input/touchscreen/wm9712.c
index c8bb1e7..7490b05 100644
--- a/drivers/input/touchscreen/wm9712.c
+++ b/drivers/input/touchscreen/wm9712.c
@@ -2,8 +2,7 @@
* wm9712.c -- Codec driver for Wolfson WM9712 AC97 Codecs.
*
* Copyright 2003, 2004, 2005, 2006, 2007 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
* Russell King <rmk@arm.linux.org.uk>
@@ -462,6 +461,6 @@ struct wm97xx_codec_drv wm9712_codec = {
EXPORT_SYMBOL_GPL(wm9712_codec);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("WM9712 Touch Screen Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/wm9713.c b/drivers/input/touchscreen/wm9713.c
index 781ee83..238b513 100644
--- a/drivers/input/touchscreen/wm9713.c
+++ b/drivers/input/touchscreen/wm9713.c
@@ -2,8 +2,7 @@
* wm9713.c -- Codec touch driver for Wolfson WM9713 AC97 Codec.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
* Russell King <rmk@arm.linux.org.uk>
@@ -476,6 +475,6 @@ struct wm97xx_codec_drv wm9713_codec = {
EXPORT_SYMBOL_GPL(wm9713_codec);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("WM9713 Touch Screen Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index d589ab0..d15aa11 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -3,8 +3,7 @@
* and WM9713 AC97 Codecs.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008 Wolfson Microelectronics PLC.
- * Author: Liam Girdwood
- * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
* Parts Copyright : Ian Molton <spyro@f2s.com>
* Andrew Zabolotny <zap@homelink.ru>
* Russell King <rmk@arm.linux.org.uk>
@@ -824,6 +823,6 @@ module_init(wm97xx_init);
module_exit(wm97xx_exit);
/* Module information */
-MODULE_AUTHOR("Liam Girdwood <liam.girdwood@wolfsonmicro.com>");
+MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
MODULE_DESCRIPTION("WM97xx Core - Touch Screen / AUX ADC / GPIO Driver");
MODULE_LICENSE("GPL");
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index b68ec09..6e1755f 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -107,6 +107,7 @@ header-y += keyctl.h
header-y += limits.h
header-y += magic.h
header-y += major.h
+header-y += map_to_7segment.h
header-y += matroxfb.h
header-y += meye.h
header-y += minix_fs.h
diff --git a/include/linux/gameport.h b/include/linux/gameport.h
index f64e29c..0cd825f 100644
--- a/include/linux/gameport.h
+++ b/include/linux/gameport.h
@@ -146,10 +146,11 @@ static inline void gameport_unpin_driver(struct gameport *gameport)
mutex_unlock(&gameport->drv_mutex);
}
-void __gameport_register_driver(struct gameport_driver *drv, struct module *owner);
-static inline void gameport_register_driver(struct gameport_driver *drv)
+int __gameport_register_driver(struct gameport_driver *drv,
+ struct module *owner, const char *mod_name);
+static inline int __must_check gameport_register_driver(struct gameport_driver *drv)
{
- __gameport_register_driver(drv, THIS_MODULE);
+ return __gameport_register_driver(drv, THIS_MODULE, KBUILD_MODNAME);
}
void gameport_unregister_driver(struct gameport_driver *drv);
diff --git a/include/linux/input.h b/include/linux/input.h
index a5802c9..b86fb55 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -577,9 +577,22 @@ struct input_absinfo {
#define KEY_BRL_DOT9 0x1f9
#define KEY_BRL_DOT10 0x1fa
+#define KEY_NUMERIC_0 0x200 /* used by phones, remote controls, */
+#define KEY_NUMERIC_1 0x201 /* and other keypads */
+#define KEY_NUMERIC_2 0x202
+#define KEY_NUMERIC_3 0x203
+#define KEY_NUMERIC_4 0x204
+#define KEY_NUMERIC_5 0x205
+#define KEY_NUMERIC_6 0x206
+#define KEY_NUMERIC_7 0x207
+#define KEY_NUMERIC_8 0x208
+#define KEY_NUMERIC_9 0x209
+#define KEY_NUMERIC_STAR 0x20a
+#define KEY_NUMERIC_POUND 0x20b
+
/* We avoid low common keys in module aliases so they don't get huge. */
#define KEY_MIN_INTERESTING KEY_MUTE
-#define KEY_MAX 0x1ff
+#define KEY_MAX 0x2ff
#define KEY_CNT (KEY_MAX+1)
/*
diff --git a/drivers/input/misc/map_to_7segment.h b/include/linux/map_to_7segment.h
index a424094..7df8432 100644
--- a/drivers/input/misc/map_to_7segment.h
+++ b/include/linux/map_to_7segment.h
@@ -1,6 +1,4 @@
/*
- * drivers/usb/input/map_to_7segment.h
- *
* Copyright (c) 2005 Henk Vergonet <Henk.Vergonet@gmail.com>
*
* This program is free software; you can redistribute it and/or
@@ -36,7 +34,7 @@
* Usage:
*
* Register a map variable, and fill it with a character set:
- * static SEG7_DEFAULT_MAP(map_seg7);
+ * static SEG7_DEFAULT_MAP(map_seg7);
*
*
* Then use for conversion:
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index c4db582..0dddfa4 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -274,7 +274,7 @@ struct pcmcia_device_id {
/* Input */
#define INPUT_DEVICE_ID_EV_MAX 0x1f
#define INPUT_DEVICE_ID_KEY_MIN_INTERESTING 0x71
-#define INPUT_DEVICE_ID_KEY_MAX 0x1ff
+#define INPUT_DEVICE_ID_KEY_MAX 0x2ff
#define INPUT_DEVICE_ID_REL_MAX 0x0f
#define INPUT_DEVICE_ID_ABS_MAX 0x3f
#define INPUT_DEVICE_ID_MSC_MAX 0x07
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index daf7440..05eab2f 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -43,6 +43,9 @@ struct ads7846_platform_data {
u16 debounce_tol; /* tolerance used for filtering */
u16 debounce_rep; /* additional consecutive good readings
* required after the first two */
+ int gpio_pendown; /* the GPIO used to decide the pendown
+ * state if get_pendown_state == NULL
+ */
int (*get_pendown_state)(void);
int (*filter_init) (struct ads7846_platform_data *pdata,
void **filter_data);