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path: root/drivers/input/keyboard
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-rw-r--r--drivers/input/keyboard/atkbd.c99
-rw-r--r--drivers/input/keyboard/corgikbd.c29
-rw-r--r--drivers/input/keyboard/spitzkbd.c29
3 files changed, 98 insertions, 59 deletions
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 820c7fd..a0256f8 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -166,6 +166,9 @@ static unsigned char atkbd_unxlate_table[128] = {
#define ATKBD_SPECIAL 248
+#define ATKBD_LED_EVENT_BIT 0
+#define ATKBD_REP_EVENT_BIT 1
+
static struct {
unsigned char keycode;
unsigned char set2;
@@ -211,6 +214,10 @@ struct atkbd {
unsigned char err_xl;
unsigned int last;
unsigned long time;
+
+ struct work_struct event_work;
+ struct semaphore event_sem;
+ unsigned long event_mask;
};
static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
@@ -424,58 +431,86 @@ out:
}
/*
- * Event callback from the input module. Events that change the state of
- * the hardware are processed here.
+ * atkbd_event_work() is used to complete processing of events that
+ * can not be processed by input_event() which is often called from
+ * interrupt context.
*/
-static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+static void atkbd_event_work(void *data)
{
- struct atkbd *atkbd = dev->private;
const short period[32] =
{ 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
const short delay[4] =
{ 250, 500, 750, 1000 };
+
+ struct atkbd *atkbd = data;
+ struct input_dev *dev = atkbd->dev;
unsigned char param[2];
int i, j;
+ down(&atkbd->event_sem);
+
+ if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) {
+ param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
+ | (test_bit(LED_NUML, dev->led) ? 2 : 0)
+ | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
+ ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS);
+
+ if (atkbd->extra) {
+ param[0] = 0;
+ param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
+ | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
+ | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
+ | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
+ | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
+ ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS);
+ }
+ }
+
+ if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) {
+ i = j = 0;
+ while (i < 31 && period[i] < dev->rep[REP_PERIOD])
+ i++;
+ while (j < 3 && delay[j] < dev->rep[REP_DELAY])
+ j++;
+ dev->rep[REP_PERIOD] = period[i];
+ dev->rep[REP_DELAY] = delay[j];
+ param[0] = i | (j << 5);
+ ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP);
+ }
+
+ up(&atkbd->event_sem);
+}
+
+/*
+ * Event callback from the input module. Events that change the state of
+ * the hardware are processed here. If action can not be performed in
+ * interrupt context it is offloaded to atkbd_event_work.
+ */
+
+static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+{
+ struct atkbd *atkbd = dev->private;
+
if (!atkbd->write)
return -1;
switch (type) {
case EV_LED:
-
- param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
- | (test_bit(LED_NUML, dev->led) ? 2 : 0)
- | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
- ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS);
-
- if (atkbd->extra) {
- param[0] = 0;
- param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
- | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
- | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
- | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
- | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
- ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS);
- }
-
+ set_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask);
+ wmb();
+ schedule_work(&atkbd->event_work);
return 0;
case EV_REP:
- if (atkbd->softrepeat) return 0;
-
- i = j = 0;
- while (i < 31 && period[i] < dev->rep[REP_PERIOD])
- i++;
- while (j < 3 && delay[j] < dev->rep[REP_DELAY])
- j++;
- dev->rep[REP_PERIOD] = period[i];
- dev->rep[REP_DELAY] = delay[j];
- param[0] = i | (j << 5);
- ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP);
+ if (!atkbd->softrepeat) {
+ set_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask);
+ wmb();
+ schedule_work(&atkbd->event_work);
+ }
return 0;
}
@@ -810,6 +845,8 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
atkbd->dev = dev;
ps2_init(&atkbd->ps2dev, serio);
+ INIT_WORK(&atkbd->event_work, atkbd_event_work, atkbd);
+ init_MUTEX(&atkbd->event_sem);
switch (serio->id.type) {
diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c
index d00d14b..64672d4 100644
--- a/drivers/input/keyboard/corgikbd.c
+++ b/drivers/input/keyboard/corgikbd.c
@@ -259,17 +259,17 @@ static void corgikbd_hinge_timer(unsigned long data)
}
#ifdef CONFIG_PM
-static int corgikbd_suspend(struct device *dev, pm_message_t state)
+static int corgikbd_suspend(struct platform_device *dev, pm_message_t state)
{
- struct corgikbd *corgikbd = dev_get_drvdata(dev);
+ struct corgikbd *corgikbd = platform_get_drvdata(dev);
corgikbd->suspended = 1;
return 0;
}
-static int corgikbd_resume(struct device *dev)
+static int corgikbd_resume(struct platform_device *dev)
{
- struct corgikbd *corgikbd = dev_get_drvdata(dev);
+ struct corgikbd *corgikbd = platform_get_drvdata(dev);
/* Upon resume, ignore the suspend key for a short while */
corgikbd->suspend_jiffies=jiffies;
@@ -282,7 +282,7 @@ static int corgikbd_resume(struct device *dev)
#define corgikbd_resume NULL
#endif
-static int __init corgikbd_probe(struct device *dev)
+static int __init corgikbd_probe(struct platform_device *pdev)
{
struct corgikbd *corgikbd;
struct input_dev *input_dev;
@@ -296,7 +296,7 @@ static int __init corgikbd_probe(struct device *dev)
return -ENOMEM;
}
- dev_set_drvdata(dev, corgikbd);
+ platform_set_drvdata(pdev, corgikbd);
corgikbd->input = input_dev;
spin_lock_init(&corgikbd->lock);
@@ -321,7 +321,7 @@ static int __init corgikbd_probe(struct device *dev)
input_dev->id.vendor = 0x0001;
input_dev->id.product = 0x0001;
input_dev->id.version = 0x0100;
- input_dev->cdev.dev = dev;
+ input_dev->cdev.dev = &pdev->dev;
input_dev->private = corgikbd;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_PWR) | BIT(EV_SW);
@@ -356,10 +356,10 @@ static int __init corgikbd_probe(struct device *dev)
return 0;
}
-static int corgikbd_remove(struct device *dev)
+static int corgikbd_remove(struct platform_device *pdev)
{
int i;
- struct corgikbd *corgikbd = dev_get_drvdata(dev);
+ struct corgikbd *corgikbd = platform_get_drvdata(pdev);
for (i = 0; i < CORGI_KEY_SENSE_NUM; i++)
free_irq(CORGI_IRQ_GPIO_KEY_SENSE(i), corgikbd);
@@ -374,23 +374,24 @@ static int corgikbd_remove(struct device *dev)
return 0;
}
-static struct device_driver corgikbd_driver = {
- .name = "corgi-keyboard",
- .bus = &platform_bus_type,
+static struct platform_driver corgikbd_driver = {
.probe = corgikbd_probe,
.remove = corgikbd_remove,
.suspend = corgikbd_suspend,
.resume = corgikbd_resume,
+ .driver = {
+ .name = "corgi-keyboard",
+ },
};
static int __devinit corgikbd_init(void)
{
- return driver_register(&corgikbd_driver);
+ return platform_driver_register(&corgikbd_driver);
}
static void __exit corgikbd_exit(void)
{
- driver_unregister(&corgikbd_driver);
+ platform_driver_unregister(&corgikbd_driver);
}
module_init(corgikbd_init);
diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c
index 0fa38a5..6a15fe3 100644
--- a/drivers/input/keyboard/spitzkbd.c
+++ b/drivers/input/keyboard/spitzkbd.c
@@ -309,10 +309,10 @@ static void spitzkbd_hinge_timer(unsigned long data)
}
#ifdef CONFIG_PM
-static int spitzkbd_suspend(struct device *dev, pm_message_t state)
+static int spitzkbd_suspend(struct platform_device *dev, pm_message_t state)
{
int i;
- struct spitzkbd *spitzkbd = dev_get_drvdata(dev);
+ struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
spitzkbd->suspended = 1;
/* Set Strobe lines as inputs - *except* strobe line 0 leave this
@@ -323,10 +323,10 @@ static int spitzkbd_suspend(struct device *dev, pm_message_t state)
return 0;
}
-static int spitzkbd_resume(struct device *dev)
+static int spitzkbd_resume(struct platform_device *dev)
{
int i;
- struct spitzkbd *spitzkbd = dev_get_drvdata(dev);
+ struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
for (i = 0; i < SPITZ_KEY_STROBE_NUM; i++)
pxa_gpio_mode(spitz_strobes[i] | GPIO_OUT | GPIO_DFLT_HIGH);
@@ -342,7 +342,7 @@ static int spitzkbd_resume(struct device *dev)
#define spitzkbd_resume NULL
#endif
-static int __init spitzkbd_probe(struct device *dev)
+static int __init spitzkbd_probe(struct platform_device *dev)
{
struct spitzkbd *spitzkbd;
struct input_dev *input_dev;
@@ -358,7 +358,7 @@ static int __init spitzkbd_probe(struct device *dev)
return -ENOMEM;
}
- dev_set_drvdata(dev, spitzkbd);
+ platform_set_drvdata(dev, spitzkbd);
strcpy(spitzkbd->phys, "spitzkbd/input0");
spin_lock_init(&spitzkbd->lock);
@@ -380,7 +380,7 @@ static int __init spitzkbd_probe(struct device *dev)
input_dev->private = spitzkbd;
input_dev->name = "Spitz Keyboard";
input_dev->phys = spitzkbd->phys;
- input_dev->cdev.dev = dev;
+ input_dev->cdev.dev = &dev->dev;
input_dev->id.bustype = BUS_HOST;
input_dev->id.vendor = 0x0001;
@@ -437,10 +437,10 @@ static int __init spitzkbd_probe(struct device *dev)
return 0;
}
-static int spitzkbd_remove(struct device *dev)
+static int spitzkbd_remove(struct platform_device *dev)
{
int i;
- struct spitzkbd *spitzkbd = dev_get_drvdata(dev);
+ struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++)
free_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd);
@@ -460,23 +460,24 @@ static int spitzkbd_remove(struct device *dev)
return 0;
}
-static struct device_driver spitzkbd_driver = {
- .name = "spitz-keyboard",
- .bus = &platform_bus_type,
+static struct platform_driver spitzkbd_driver = {
.probe = spitzkbd_probe,
.remove = spitzkbd_remove,
.suspend = spitzkbd_suspend,
.resume = spitzkbd_resume,
+ .driver = {
+ .name = "spitz-keyboard",
+ },
};
static int __devinit spitzkbd_init(void)
{
- return driver_register(&spitzkbd_driver);
+ return platform_driver_register(&spitzkbd_driver);
}
static void __exit spitzkbd_exit(void)
{
- driver_unregister(&spitzkbd_driver);
+ platform_driver_unregister(&spitzkbd_driver);
}
module_init(spitzkbd_init);
generated by cgit v1.1 at 2025-02-07 02:51:33 +0000