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-rw-r--r--drivers/input/keyboard/Kconfig21
-rw-r--r--drivers/input/keyboard/Makefile1
-rw-r--r--drivers/input/keyboard/adp5520-keys.c13
-rw-r--r--drivers/input/keyboard/amikbd.c15
-rw-r--r--drivers/input/keyboard/atkbd.c40
-rw-r--r--drivers/input/keyboard/bf54x-keys.c16
-rw-r--r--drivers/input/keyboard/davinci_keyscan.c13
-rw-r--r--drivers/input/keyboard/ep93xx_keypad.c14
-rw-r--r--drivers/input/keyboard/gpio_keys_polled.c14
-rw-r--r--drivers/input/keyboard/imx_keypad.c14
-rw-r--r--drivers/input/keyboard/jornada680_kbd.c14
-rw-r--r--drivers/input/keyboard/jornada720_kbd.c14
-rw-r--r--drivers/input/keyboard/lm8323.c11
-rw-r--r--drivers/input/keyboard/matrix_keypad.c14
-rw-r--r--drivers/input/keyboard/nomadik-ske-keypad.c16
-rw-r--r--drivers/input/keyboard/omap-keypad.c17
-rw-r--r--drivers/input/keyboard/omap4-keypad.c13
-rw-r--r--drivers/input/keyboard/opencores-kbd.c13
-rw-r--r--drivers/input/keyboard/pmic8xxx-keypad.c13
-rw-r--r--drivers/input/keyboard/pxa27x_keypad.c14
-rw-r--r--drivers/input/keyboard/pxa930_rotary.c13
-rw-r--r--drivers/input/keyboard/samsung-keypad.c107
-rw-r--r--drivers/input/keyboard/sh_keysc.c14
-rw-r--r--drivers/input/keyboard/spear-keyboard.c13
-rw-r--r--drivers/input/keyboard/stmpe-keypad.c13
-rw-r--r--drivers/input/keyboard/tc3589x-keypad.c15
-rw-r--r--drivers/input/keyboard/tca8418_keypad.c430
-rw-r--r--drivers/input/keyboard/tegra-kbc.c132
-rw-r--r--drivers/input/keyboard/tnetv107x-keypad.c15
-rw-r--r--drivers/input/keyboard/twl4030_keypad.c13
-rw-r--r--drivers/input/keyboard/w90p910_keypad.c14
31 files changed, 707 insertions, 372 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 615c21f2a553..cdc385b2cf7d 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -221,6 +221,22 @@ config KEYBOARD_TCA6416
To compile this driver as a module, choose M here: the
module will be called tca6416_keypad.
+config KEYBOARD_TCA8418
+ tristate "TCA8418 Keypad Support"
+ depends on I2C
+ help
+ This driver implements basic keypad functionality
+ for keys connected through TCA8418 keypad decoder.
+
+ Say Y here if your device has keys connected to
+ TCA8418 keypad decoder.
+
+ If enabled the complete TCA8418 device will be managed through
+ this driver.
+
+ To compile this driver as a module, choose M here: the
+ module will be called tca8418_keypad.
+
config KEYBOARD_MATRIX
tristate "GPIO driven matrix keypad support"
depends on GENERIC_GPIO
@@ -425,9 +441,10 @@ config KEYBOARD_PMIC8XXX
config KEYBOARD_SAMSUNG
tristate "Samsung keypad support"
- depends on SAMSUNG_DEV_KEYPAD
+ depends on HAVE_CLK
help
- Say Y here if you want to use the Samsung keypad.
+ Say Y here if you want to use the keypad on your Samsung mobile
+ device.
To compile this driver as a module, choose M here: the
module will be called samsung-keypad.
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index ddde0fd476f7..df7061f12918 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_KEYBOARD_EP93XX) += ep93xx_keypad.o
obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o
obj-$(CONFIG_KEYBOARD_GPIO_POLLED) += gpio_keys_polled.o
obj-$(CONFIG_KEYBOARD_TCA6416) += tca6416-keypad.o
+obj-$(CONFIG_KEYBOARD_TCA8418) += tca8418_keypad.o
obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o
obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o
obj-$(CONFIG_KEYBOARD_IMX) += imx_keypad.o
diff --git a/drivers/input/keyboard/adp5520-keys.c b/drivers/input/keyboard/adp5520-keys.c
index 3db8006dac3a..e9e8674dfda1 100644
--- a/drivers/input/keyboard/adp5520-keys.c
+++ b/drivers/input/keyboard/adp5520-keys.c
@@ -202,18 +202,7 @@ static struct platform_driver adp5520_keys_driver = {
.probe = adp5520_keys_probe,
.remove = __devexit_p(adp5520_keys_remove),
};
-
-static int __init adp5520_keys_init(void)
-{
- return platform_driver_register(&adp5520_keys_driver);
-}
-module_init(adp5520_keys_init);
-
-static void __exit adp5520_keys_exit(void)
-{
- platform_driver_unregister(&adp5520_keys_driver);
-}
-module_exit(adp5520_keys_exit);
+module_platform_driver(adp5520_keys_driver);
MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
MODULE_DESCRIPTION("Keys ADP5520 Driver");
diff --git a/drivers/input/keyboard/amikbd.c b/drivers/input/keyboard/amikbd.c
index 79172af164f2..6df5f6aa7908 100644
--- a/drivers/input/keyboard/amikbd.c
+++ b/drivers/input/keyboard/amikbd.c
@@ -259,19 +259,6 @@ static struct platform_driver amikbd_driver = {
.owner = THIS_MODULE,
},
};
-
-static int __init amikbd_init(void)
-{
- return platform_driver_probe(&amikbd_driver, amikbd_probe);
-}
-
-module_init(amikbd_init);
-
-static void __exit amikbd_exit(void)
-{
- platform_driver_unregister(&amikbd_driver);
-}
-
-module_exit(amikbd_exit);
+module_platform_driver(amikbd_driver);
MODULE_ALIAS("platform:amiga-keyboard");
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 19cfc0cf558c..e05a2e7073c6 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -1305,7 +1305,7 @@ static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
{
struct input_dev *old_dev, *new_dev;
- unsigned long value;
+ unsigned int value;
int err;
bool old_extra;
unsigned char old_set;
@@ -1313,7 +1313,11 @@ static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t coun
if (!atkbd->write)
return -EIO;
- if (strict_strtoul(buf, 10, &value) || value > 1)
+ err = kstrtouint(buf, 10, &value);
+ if (err)
+ return err;
+
+ if (value > 1)
return -EINVAL;
if (atkbd->extra != value) {
@@ -1389,11 +1393,15 @@ static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
{
struct input_dev *old_dev, *new_dev;
- unsigned long value;
+ unsigned int value;
int err;
bool old_scroll;
- if (strict_strtoul(buf, 10, &value) || value > 1)
+ err = kstrtouint(buf, 10, &value);
+ if (err)
+ return err;
+
+ if (value > 1)
return -EINVAL;
if (atkbd->scroll != value) {
@@ -1433,7 +1441,7 @@ static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
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;
+ unsigned int value;
int err;
unsigned char old_set;
bool old_extra;
@@ -1441,7 +1449,11 @@ static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
if (!atkbd->write)
return -EIO;
- if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
+ err = kstrtouint(buf, 10, &value);
+ if (err)
+ return err;
+
+ if (value != 2 && value != 3)
return -EINVAL;
if (atkbd->set != value) {
@@ -1484,14 +1496,18 @@ static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
{
struct input_dev *old_dev, *new_dev;
- unsigned long value;
+ unsigned int value;
int err;
bool old_softrepeat, old_softraw;
if (!atkbd->write)
return -EIO;
- if (strict_strtoul(buf, 10, &value) || value > 1)
+ err = kstrtouint(buf, 10, &value);
+ if (err)
+ return err;
+
+ if (value > 1)
return -EINVAL;
if (atkbd->softrepeat != value) {
@@ -1534,11 +1550,15 @@ static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
{
struct input_dev *old_dev, *new_dev;
- unsigned long value;
+ unsigned int value;
int err;
bool old_softraw;
- if (strict_strtoul(buf, 10, &value) || value > 1)
+ err = kstrtouint(buf, 10, &value);
+ if (err)
+ return err;
+
+ if (value > 1)
return -EINVAL;
if (atkbd->softraw != value) {
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index 7d989603f875..8eb9116e0a5f 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -384,7 +384,7 @@ static int bfin_kpad_resume(struct platform_device *pdev)
# define bfin_kpad_resume NULL
#endif
-struct platform_driver bfin_kpad_device_driver = {
+static struct platform_driver bfin_kpad_device_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
@@ -394,19 +394,7 @@ struct platform_driver bfin_kpad_device_driver = {
.suspend = bfin_kpad_suspend,
.resume = bfin_kpad_resume,
};
-
-static int __init bfin_kpad_init(void)
-{
- return platform_driver_register(&bfin_kpad_device_driver);
-}
-
-static void __exit bfin_kpad_exit(void)
-{
- platform_driver_unregister(&bfin_kpad_device_driver);
-}
-
-module_init(bfin_kpad_init);
-module_exit(bfin_kpad_exit);
+module_platform_driver(bfin_kpad_device_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c
index 9d82b3aeff5e..469825247552 100644
--- a/drivers/input/keyboard/davinci_keyscan.c
+++ b/drivers/input/keyboard/davinci_keyscan.c
@@ -328,18 +328,7 @@ static struct platform_driver davinci_ks_driver = {
},
.remove = __devexit_p(davinci_ks_remove),
};
-
-static int __init davinci_ks_init(void)
-{
- return platform_driver_probe(&davinci_ks_driver, davinci_ks_probe);
-}
-module_init(davinci_ks_init);
-
-static void __exit davinci_ks_exit(void)
-{
- platform_driver_unregister(&davinci_ks_driver);
-}
-module_exit(davinci_ks_exit);
+module_platform_driver(davinci_ks_driver);
MODULE_AUTHOR("Miguel Aguilar");
MODULE_DESCRIPTION("Texas Instruments DaVinci Key Scan Driver");
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index 4662c5da8018..0ba69f3fcb52 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -390,19 +390,7 @@ static struct platform_driver ep93xx_keypad_driver = {
.suspend = ep93xx_keypad_suspend,
.resume = ep93xx_keypad_resume,
};
-
-static int __init ep93xx_keypad_init(void)
-{
- return platform_driver_register(&ep93xx_keypad_driver);
-}
-
-static void __exit ep93xx_keypad_exit(void)
-{
- platform_driver_unregister(&ep93xx_keypad_driver);
-}
-
-module_init(ep93xx_keypad_init);
-module_exit(ep93xx_keypad_exit);
+module_platform_driver(ep93xx_keypad_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("H Hartley Sweeten <hsweeten@visionengravers.com>");
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
index 4c17aff20657..20c8ab172214 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -241,19 +241,7 @@ static struct platform_driver gpio_keys_polled_driver = {
.owner = THIS_MODULE,
},
};
-
-static int __init gpio_keys_polled_init(void)
-{
- return platform_driver_register(&gpio_keys_polled_driver);
-}
-
-static void __exit gpio_keys_polled_exit(void)
-{
- platform_driver_unregister(&gpio_keys_polled_driver);
-}
-
-module_init(gpio_keys_polled_init);
-module_exit(gpio_keys_polled_exit);
+module_platform_driver(gpio_keys_polled_driver);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c
index ccebd2d09151..fb87b3bcadb9 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -619,19 +619,7 @@ static struct platform_driver imx_keypad_driver = {
.probe = imx_keypad_probe,
.remove = __devexit_p(imx_keypad_remove),
};
-
-static int __init imx_keypad_init(void)
-{
- return platform_driver_register(&imx_keypad_driver);
-}
-
-static void __exit imx_keypad_exit(void)
-{
- platform_driver_unregister(&imx_keypad_driver);
-}
-
-module_init(imx_keypad_init);
-module_exit(imx_keypad_exit);
+module_platform_driver(imx_keypad_driver);
MODULE_AUTHOR("Alberto Panizzo <maramaopercheseimorto@gmail.com>");
MODULE_DESCRIPTION("IMX Keypad Port Driver");
diff --git a/drivers/input/keyboard/jornada680_kbd.c b/drivers/input/keyboard/jornada680_kbd.c
index 7197c5698747..24f3ea01c4d5 100644
--- a/drivers/input/keyboard/jornada680_kbd.c
+++ b/drivers/input/keyboard/jornada680_kbd.c
@@ -260,19 +260,7 @@ static struct platform_driver jornada680kbd_driver = {
.probe = jornada680kbd_probe,
.remove = __devexit_p(jornada680kbd_remove),
};
-
-static int __init jornada680kbd_init(void)
-{
- return platform_driver_register(&jornada680kbd_driver);
-}
-
-static void __exit jornada680kbd_exit(void)
-{
- platform_driver_unregister(&jornada680kbd_driver);
-}
-
-module_init(jornada680kbd_init);
-module_exit(jornada680kbd_exit);
+module_platform_driver(jornada680kbd_driver);
MODULE_AUTHOR("Kristoffer Ericson <kristoffer.ericson@gmail.com>");
MODULE_DESCRIPTION("HP Jornada 620/660/680/690 Keyboard Driver");
diff --git a/drivers/input/keyboard/jornada720_kbd.c b/drivers/input/keyboard/jornada720_kbd.c
index 0aa6740e60d0..eeafc30b207b 100644
--- a/drivers/input/keyboard/jornada720_kbd.c
+++ b/drivers/input/keyboard/jornada720_kbd.c
@@ -174,16 +174,4 @@ static struct platform_driver jornada720_kbd_driver = {
.probe = jornada720_kbd_probe,
.remove = __devexit_p(jornada720_kbd_remove),
};
-
-static int __init jornada720_kbd_init(void)
-{
- return platform_driver_register(&jornada720_kbd_driver);
-}
-
-static void __exit jornada720_kbd_exit(void)
-{
- platform_driver_unregister(&jornada720_kbd_driver);
-}
-
-module_init(jornada720_kbd_init);
-module_exit(jornada720_kbd_exit);
+module_platform_driver(jornada720_kbd_driver);
diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c
index 82d1dc8badd5..21823bfc7911 100644
--- a/drivers/input/keyboard/lm8323.c
+++ b/drivers/input/keyboard/lm8323.c
@@ -545,13 +545,12 @@ static ssize_t lm8323_pwm_store_time(struct device *dev,
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct lm8323_pwm *pwm = cdev_to_pwm(led_cdev);
- int ret;
- unsigned long time;
+ int ret, time;
- ret = strict_strtoul(buf, 10, &time);
+ ret = kstrtoint(buf, 10, &time);
/* Numbers only, please. */
if (ret)
- return -EINVAL;
+ return ret;
pwm->fade_time = time;
@@ -613,9 +612,9 @@ static ssize_t lm8323_set_disable(struct device *dev,
{
struct lm8323_chip *lm = dev_get_drvdata(dev);
int ret;
- unsigned long i;
+ unsigned int i;
- ret = strict_strtoul(buf, 10, &i);
+ ret = kstrtouint(buf, 10, &i);
mutex_lock(&lm->lock);
lm->kp_enabled = !i;
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index e2ae657717ea..9b223d73de32 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -496,19 +496,7 @@ static struct platform_driver matrix_keypad_driver = {
#endif
},
};
-
-static int __init matrix_keypad_init(void)
-{
- return platform_driver_register(&matrix_keypad_driver);
-}
-
-static void __exit matrix_keypad_exit(void)
-{
- platform_driver_unregister(&matrix_keypad_driver);
-}
-
-module_init(matrix_keypad_init);
-module_exit(matrix_keypad_exit);
+module_platform_driver(matrix_keypad_driver);
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
MODULE_DESCRIPTION("GPIO Driven Matrix Keypad Driver");
diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c
index 6e0f23091360..5a71e55c9c54 100644
--- a/drivers/input/keyboard/nomadik-ske-keypad.c
+++ b/drivers/input/keyboard/nomadik-ske-keypad.c
@@ -18,6 +18,7 @@
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/clk.h>
+#include <linux/module.h>
#include <plat/ske.h>
@@ -378,7 +379,7 @@ static const struct dev_pm_ops ske_keypad_dev_pm_ops = {
};
#endif
-struct platform_driver ske_keypad_driver = {
+static struct platform_driver ske_keypad_driver = {
.driver = {
.name = "nmk-ske-keypad",
.owner = THIS_MODULE,
@@ -389,18 +390,7 @@ struct platform_driver ske_keypad_driver = {
.probe = ske_keypad_probe,
.remove = __devexit_p(ske_keypad_remove),
};
-
-static int __init ske_keypad_init(void)
-{
- return platform_driver_probe(&ske_keypad_driver, ske_keypad_probe);
-}
-module_init(ske_keypad_init);
-
-static void __exit ske_keypad_exit(void)
-{
- platform_driver_unregister(&ske_keypad_driver);
-}
-module_exit(ske_keypad_exit);
+module_platform_driver(ske_keypad_driver);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Naveen Kumar <naveen.gaddipati@stericsson.com> / Sundar Iyer <sundar.iyer@stericsson.com>");
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index 33d0bdc837c0..6b630d9d3dff 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -35,7 +35,7 @@
#include <linux/mutex.h>
#include <linux/errno.h>
#include <linux/slab.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
#include <plat/keypad.h>
#include <plat/menelaus.h>
#include <asm/irq.h>
@@ -473,20 +473,7 @@ static struct platform_driver omap_kp_driver = {
.owner = THIS_MODULE,
},
};
-
-static int __init omap_kp_init(void)
-{
- printk(KERN_INFO "OMAP Keypad Driver\n");
- return platform_driver_register(&omap_kp_driver);
-}
-
-static void __exit omap_kp_exit(void)
-{
- platform_driver_unregister(&omap_kp_driver);
-}
-
-module_init(omap_kp_init);
-module_exit(omap_kp_exit);
+module_platform_driver(omap_kp_driver);
MODULE_AUTHOR("Timo Teräs");
MODULE_DESCRIPTION("OMAP Keypad Driver");
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index c51a3c4a7feb..d5c5d77f4b82 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -335,18 +335,7 @@ static struct platform_driver omap4_keypad_driver = {
.owner = THIS_MODULE,
},
};
-
-static int __init omap4_keypad_init(void)
-{
- return platform_driver_register(&omap4_keypad_driver);
-}
-module_init(omap4_keypad_init);
-
-static void __exit omap4_keypad_exit(void)
-{
- platform_driver_unregister(&omap4_keypad_driver);
-}
-module_exit(omap4_keypad_exit);
+module_platform_driver(omap4_keypad_driver);
MODULE_AUTHOR("Texas Instruments");
MODULE_DESCRIPTION("OMAP4 Keypad Driver");
diff --git a/drivers/input/keyboard/opencores-kbd.c b/drivers/input/keyboard/opencores-kbd.c
index 1f1a5563f60a..abe728c7b88e 100644
--- a/drivers/input/keyboard/opencores-kbd.c
+++ b/drivers/input/keyboard/opencores-kbd.c
@@ -163,18 +163,7 @@ static struct platform_driver opencores_kbd_device_driver = {
.name = "opencores-kbd",
},
};
-
-static int __init opencores_kbd_init(void)
-{
- return platform_driver_register(&opencores_kbd_device_driver);
-}
-module_init(opencores_kbd_init);
-
-static void __exit opencores_kbd_exit(void)
-{
- platform_driver_unregister(&opencores_kbd_device_driver);
-}
-module_exit(opencores_kbd_exit);
+module_platform_driver(opencores_kbd_device_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Javier Herrero <jherrero@hvsistemas.es>");
diff --git a/drivers/input/keyboard/pmic8xxx-keypad.c b/drivers/input/keyboard/pmic8xxx-keypad.c
index e7cc51d0fb34..01a1c9f8a383 100644
--- a/drivers/input/keyboard/pmic8xxx-keypad.c
+++ b/drivers/input/keyboard/pmic8xxx-keypad.c
@@ -780,18 +780,7 @@ static struct platform_driver pmic8xxx_kp_driver = {
.pm = &pm8xxx_kp_pm_ops,
},
};
-
-static int __init pmic8xxx_kp_init(void)
-{
- return platform_driver_register(&pmic8xxx_kp_driver);
-}
-module_init(pmic8xxx_kp_init);
-
-static void __exit pmic8xxx_kp_exit(void)
-{
- platform_driver_unregister(&pmic8xxx_kp_driver);
-}
-module_exit(pmic8xxx_kp_exit);
+module_platform_driver(pmic8xxx_kp_driver);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("PMIC8XXX keypad driver");
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index eca6ae63de14..29fe1b2be1c1 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -602,19 +602,7 @@ static struct platform_driver pxa27x_keypad_driver = {
#endif
},
};
-
-static int __init pxa27x_keypad_init(void)
-{
- return platform_driver_register(&pxa27x_keypad_driver);
-}
-
-static void __exit pxa27x_keypad_exit(void)
-{
- platform_driver_unregister(&pxa27x_keypad_driver);
-}
-
-module_init(pxa27x_keypad_init);
-module_exit(pxa27x_keypad_exit);
+module_platform_driver(pxa27x_keypad_driver);
MODULE_DESCRIPTION("PXA27x Keypad Controller Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/input/keyboard/pxa930_rotary.c b/drivers/input/keyboard/pxa930_rotary.c
index 35451bf780c7..d7f1134b789e 100644
--- a/drivers/input/keyboard/pxa930_rotary.c
+++ b/drivers/input/keyboard/pxa930_rotary.c
@@ -195,18 +195,7 @@ static struct platform_driver pxa930_rotary_driver = {
.probe = pxa930_rotary_probe,
.remove = __devexit_p(pxa930_rotary_remove),
};
-
-static int __init pxa930_rotary_init(void)
-{
- return platform_driver_register(&pxa930_rotary_driver);
-}
-module_init(pxa930_rotary_init);
-
-static void __exit pxa930_rotary_exit(void)
-{
- platform_driver_unregister(&pxa930_rotary_driver);
-}
-module_exit(pxa930_rotary_exit);
+module_platform_driver(pxa930_rotary_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Driver for PXA93x Enhanced Rotary Controller");
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index f689f49e3109..b746fce2d120 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -20,9 +20,11 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/sched.h>
-#include <plat/keypad.h>
+#include <linux/input/samsung-keypad.h>
#define SAMSUNG_KEYIFCON 0x00
#define SAMSUNG_KEYIFSTSCLR 0x04
@@ -63,10 +65,12 @@ enum samsung_keypad_type {
struct samsung_keypad {
struct input_dev *input_dev;
+ struct platform_device *pdev;
struct clk *clk;
void __iomem *base;
wait_queue_head_t wait;
bool stopped;
+ bool wake_enabled;
int irq;
unsigned int row_shift;
unsigned int rows;
@@ -158,6 +162,8 @@ static irqreturn_t samsung_keypad_irq(int irq, void *dev_id)
unsigned int val;
bool key_down;
+ pm_runtime_get_sync(&keypad->pdev->dev);
+
do {
val = readl(keypad->base + SAMSUNG_KEYIFSTSCLR);
/* Clear interrupt. */
@@ -172,6 +178,8 @@ static irqreturn_t samsung_keypad_irq(int irq, void *dev_id)
} while (key_down && !keypad->stopped);
+ pm_runtime_put_sync(&keypad->pdev->dev);
+
return IRQ_HANDLED;
}
@@ -179,6 +187,8 @@ static void samsung_keypad_start(struct samsung_keypad *keypad)
{
unsigned int val;
+ pm_runtime_get_sync(&keypad->pdev->dev);
+
/* Tell IRQ thread that it may poll the device. */
keypad->stopped = false;
@@ -191,12 +201,16 @@ static void samsung_keypad_start(struct samsung_keypad *keypad)
/* KEYIFCOL reg clear. */
writel(0, keypad->base + SAMSUNG_KEYIFCOL);
+
+ pm_runtime_put_sync(&keypad->pdev->dev);
}
static void samsung_keypad_stop(struct samsung_keypad *keypad)
{
unsigned int val;
+ pm_runtime_get_sync(&keypad->pdev->dev);
+
/* Signal IRQ thread to stop polling and disable the handler. */
keypad->stopped = true;
wake_up(&keypad->wait);
@@ -217,6 +231,8 @@ static void samsung_keypad_stop(struct samsung_keypad *keypad)
* re-enable the handler.
*/
enable_irq(keypad->irq);
+
+ pm_runtime_put_sync(&keypad->pdev->dev);
}
static int samsung_keypad_open(struct input_dev *input_dev)
@@ -298,9 +314,11 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
}
keypad->input_dev = input_dev;
+ keypad->pdev = pdev;
keypad->row_shift = row_shift;
keypad->rows = pdata->rows;
keypad->cols = pdata->cols;
+ keypad->stopped = true;
init_waitqueue_head(&keypad->wait);
input_dev->name = pdev->name;
@@ -337,16 +355,21 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev)
goto err_put_clk;
}
+ device_init_wakeup(&pdev->dev, pdata->wakeup);
+ platform_set_drvdata(pdev, keypad);
+ pm_runtime_enable(&pdev->dev);
+
error = input_register_device(keypad->input_dev);
if (error)
goto err_free_irq;
- device_init_wakeup(&pdev->dev, pdata->wakeup);
- platform_set_drvdata(pdev, keypad);
return 0;
err_free_irq:
free_irq(keypad->irq, keypad);
+ pm_runtime_disable(&pdev->dev);
+ device_init_wakeup(&pdev->dev, 0);
+ platform_set_drvdata(pdev, NULL);
err_put_clk:
clk_put(keypad->clk);
err_unmap_base:
@@ -362,6 +385,7 @@ static int __devexit samsung_keypad_remove(struct platform_device *pdev)
{
struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+ pm_runtime_disable(&pdev->dev);
device_init_wakeup(&pdev->dev, 0);
platform_set_drvdata(pdev, NULL);
@@ -381,11 +405,57 @@ static int __devexit samsung_keypad_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_RUNTIME
+static int samsung_keypad_runtime_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+ unsigned int val;
+ int error;
+
+ if (keypad->stopped)
+ return 0;
+
+ /* This may fail on some SoCs due to lack of controller support */
+ error = enable_irq_wake(keypad->irq);
+ if (!error)
+ keypad->wake_enabled = true;
+
+ val = readl(keypad->base + SAMSUNG_KEYIFCON);
+ val |= SAMSUNG_KEYIFCON_WAKEUPEN;
+ writel(val, keypad->base + SAMSUNG_KEYIFCON);
+
+ clk_disable(keypad->clk);
+
+ return 0;
+}
+
+static int samsung_keypad_runtime_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+ unsigned int val;
+
+ if (keypad->stopped)
+ return 0;
+
+ clk_enable(keypad->clk);
+
+ val = readl(keypad->base + SAMSUNG_KEYIFCON);
+ val &= ~SAMSUNG_KEYIFCON_WAKEUPEN;
+ writel(val, keypad->base + SAMSUNG_KEYIFCON);
+
+ if (keypad->wake_enabled)
+ disable_irq_wake(keypad->irq);
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_PM_SLEEP
static void samsung_keypad_toggle_wakeup(struct samsung_keypad *keypad,
bool enable)
{
- struct device *dev = keypad->input_dev->dev.parent;
unsigned int val;
clk_enable(keypad->clk);
@@ -393,11 +463,11 @@ static void samsung_keypad_toggle_wakeup(struct samsung_keypad *keypad,
val = readl(keypad->base + SAMSUNG_KEYIFCON);
if (enable) {
val |= SAMSUNG_KEYIFCON_WAKEUPEN;
- if (device_may_wakeup(dev))
+ if (device_may_wakeup(&keypad->pdev->dev))
enable_irq_wake(keypad->irq);
} else {
val &= ~SAMSUNG_KEYIFCON_WAKEUPEN;
- if (device_may_wakeup(dev))
+ if (device_may_wakeup(&keypad->pdev->dev))
disable_irq_wake(keypad->irq);
}
writel(val, keypad->base + SAMSUNG_KEYIFCON);
@@ -440,12 +510,13 @@ static int samsung_keypad_resume(struct device *dev)
return 0;
}
+#endif
static const struct dev_pm_ops samsung_keypad_pm_ops = {
- .suspend = samsung_keypad_suspend,
- .resume = samsung_keypad_resume,
+ SET_SYSTEM_SLEEP_PM_OPS(samsung_keypad_suspend, samsung_keypad_resume)
+ SET_RUNTIME_PM_OPS(samsung_keypad_runtime_suspend,
+ samsung_keypad_runtime_resume, NULL)
};
-#endif
static struct platform_device_id samsung_keypad_driver_ids[] = {
{
@@ -465,27 +536,13 @@ static struct platform_driver samsung_keypad_driver = {
.driver = {
.name = "samsung-keypad",
.owner = THIS_MODULE,
-#ifdef CONFIG_PM
.pm = &samsung_keypad_pm_ops,
-#endif
},
.id_table = samsung_keypad_driver_ids,
};
-
-static int __init samsung_keypad_init(void)
-{
- return platform_driver_register(&samsung_keypad_driver);
-}
-module_init(samsung_keypad_init);
-
-static void __exit samsung_keypad_exit(void)
-{
- platform_driver_unregister(&samsung_keypad_driver);
-}
-module_exit(samsung_keypad_exit);
+module_platform_driver(samsung_keypad_driver);
MODULE_DESCRIPTION("Samsung keypad driver");
MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:samsung-keypad");
diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c
index 934aeb583b30..da54ad5db154 100644
--- a/drivers/input/keyboard/sh_keysc.c
+++ b/drivers/input/keyboard/sh_keysc.c
@@ -337,19 +337,7 @@ static struct platform_driver sh_keysc_device_driver = {
.pm = &sh_keysc_dev_pm_ops,
}
};
-
-static int __init sh_keysc_init(void)
-{
- return platform_driver_register(&sh_keysc_device_driver);
-}
-
-static void __exit sh_keysc_exit(void)
-{
- platform_driver_unregister(&sh_keysc_device_driver);
-}
-
-module_init(sh_keysc_init);
-module_exit(sh_keysc_exit);
+module_platform_driver(sh_keysc_device_driver);
MODULE_AUTHOR("Magnus Damm");
MODULE_DESCRIPTION("SuperH KEYSC Keypad Driver");
diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index d712dffd2157..c88bd63dc9cc 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -326,18 +326,7 @@ static struct platform_driver spear_kbd_driver = {
#endif
},
};
-
-static int __init spear_kbd_init(void)
-{
- return platform_driver_register(&spear_kbd_driver);
-}
-module_init(spear_kbd_init);
-
-static void __exit spear_kbd_exit(void)
-{
- platform_driver_unregister(&spear_kbd_driver);
-}
-module_exit(spear_kbd_exit);
+module_platform_driver(spear_kbd_driver);
MODULE_AUTHOR("Rajeev Kumar");
MODULE_DESCRIPTION("SPEAr Keyboard Driver");
diff --git a/drivers/input/keyboard/stmpe-keypad.c b/drivers/input/keyboard/stmpe-keypad.c
index ab7610ca10eb..9397cf9c625c 100644
--- a/drivers/input/keyboard/stmpe-keypad.c
+++ b/drivers/input/keyboard/stmpe-keypad.c
@@ -368,18 +368,7 @@ static struct platform_driver stmpe_keypad_driver = {
.probe = stmpe_keypad_probe,
.remove = __devexit_p(stmpe_keypad_remove),
};
-
-static int __init stmpe_keypad_init(void)
-{
- return platform_driver_register(&stmpe_keypad_driver);
-}
-module_init(stmpe_keypad_init);
-
-static void __exit stmpe_keypad_exit(void)
-{
- platform_driver_unregister(&stmpe_keypad_driver);
-}
-module_exit(stmpe_keypad_exit);
+module_platform_driver(stmpe_keypad_driver);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("STMPExxxx keypad driver");
diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c
index f60c9e82f204..2dee3e4e7c6f 100644
--- a/drivers/input/keyboard/tc3589x-keypad.c
+++ b/drivers/input/keyboard/tc3589x-keypad.c
@@ -74,11 +74,13 @@
/**
* struct tc_keypad - data structure used by keypad driver
+ * @tc3589x: pointer to tc35893
* @input: pointer to input device object
* @board: keypad platform device
* @krow: number of rows
* @kcol: number of coloumns
* @keymap: matrix scan code table for keycodes
+ * @keypad_stopped: holds keypad status
*/
struct tc_keypad {
struct tc3589x *tc3589x;
@@ -453,18 +455,7 @@ static struct platform_driver tc3589x_keypad_driver = {
.probe = tc3589x_keypad_probe,
.remove = __devexit_p(tc3589x_keypad_remove),
};
-
-static int __init tc3589x_keypad_init(void)
-{
- return platform_driver_register(&tc3589x_keypad_driver);
-}
-module_init(tc3589x_keypad_init);
-
-static void __exit tc3589x_keypad_exit(void)
-{
- return platform_driver_unregister(&tc3589x_keypad_driver);
-}
-module_exit(tc3589x_keypad_exit);
+module_platform_driver(tc3589x_keypad_driver);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Jayeeta Banerjee/Sundar Iyer");
diff --git a/drivers/input/keyboard/tca8418_keypad.c b/drivers/input/keyboard/tca8418_keypad.c
new file mode 100644
index 000000000000..958ec107bfbc
--- /dev/null
+++ b/drivers/input/keyboard/tca8418_keypad.c
@@ -0,0 +1,430 @@
+/*
+ * Driver for TCA8418 I2C keyboard
+ *
+ * Copyright (C) 2011 Fuel7, Inc. All rights reserved.
+ *
+ * Author: Kyle Manna <kyle.manna@fuel7.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ *
+ * If you can't comply with GPLv2, alternative licensing terms may be
+ * arranged. Please contact Fuel7, Inc. (http://fuel7.com/) for proprietary
+ * alternative licensing inquiries.
+ */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/input/tca8418_keypad.h>
+
+/* TCA8418 hardware limits */
+#define TCA8418_MAX_ROWS 8
+#define TCA8418_MAX_COLS 10
+
+/* TCA8418 register offsets */
+#define REG_CFG 0x01
+#define REG_INT_STAT 0x02
+#define REG_KEY_LCK_EC 0x03
+#define REG_KEY_EVENT_A 0x04
+#define REG_KEY_EVENT_B 0x05
+#define REG_KEY_EVENT_C 0x06
+#define REG_KEY_EVENT_D 0x07
+#define REG_KEY_EVENT_E 0x08
+#define REG_KEY_EVENT_F 0x09
+#define REG_KEY_EVENT_G 0x0A
+#define REG_KEY_EVENT_H 0x0B
+#define REG_KEY_EVENT_I 0x0C
+#define REG_KEY_EVENT_J 0x0D
+#define REG_KP_LCK_TIMER 0x0E
+#define REG_UNLOCK1 0x0F
+#define REG_UNLOCK2 0x10
+#define REG_GPIO_INT_STAT1 0x11
+#define REG_GPIO_INT_STAT2 0x12
+#define REG_GPIO_INT_STAT3 0x13
+#define REG_GPIO_DAT_STAT1 0x14
+#define REG_GPIO_DAT_STAT2 0x15
+#define REG_GPIO_DAT_STAT3 0x16
+#define REG_GPIO_DAT_OUT1 0x17
+#define REG_GPIO_DAT_OUT2 0x18
+#define REG_GPIO_DAT_OUT3 0x19
+#define REG_GPIO_INT_EN1 0x1A
+#define REG_GPIO_INT_EN2 0x1B
+#define REG_GPIO_INT_EN3 0x1C
+#define REG_KP_GPIO1 0x1D
+#define REG_KP_GPIO2 0x1E
+#define REG_KP_GPIO3 0x1F
+#define REG_GPI_EM1 0x20
+#define REG_GPI_EM2 0x21
+#define REG_GPI_EM3 0x22
+#define REG_GPIO_DIR1 0x23
+#define REG_GPIO_DIR2 0x24
+#define REG_GPIO_DIR3 0x25
+#define REG_GPIO_INT_LVL1 0x26
+#define REG_GPIO_INT_LVL2 0x27
+#define REG_GPIO_INT_LVL3 0x28
+#define REG_DEBOUNCE_DIS1 0x29
+#define REG_DEBOUNCE_DIS2 0x2A
+#define REG_DEBOUNCE_DIS3 0x2B
+#define REG_GPIO_PULL1 0x2C
+#define REG_GPIO_PULL2 0x2D
+#define REG_GPIO_PULL3 0x2E
+
+/* TCA8418 bit definitions */
+#define CFG_AI BIT(7)
+#define CFG_GPI_E_CFG BIT(6)
+#define CFG_OVR_FLOW_M BIT(5)
+#define CFG_INT_CFG BIT(4)
+#define CFG_OVR_FLOW_IEN BIT(3)
+#define CFG_K_LCK_IEN BIT(2)
+#define CFG_GPI_IEN BIT(1)
+#define CFG_KE_IEN BIT(0)
+
+#define INT_STAT_CAD_INT BIT(4)
+#define INT_STAT_OVR_FLOW_INT BIT(3)
+#define INT_STAT_K_LCK_INT BIT(2)
+#define INT_STAT_GPI_INT BIT(1)
+#define INT_STAT_K_INT BIT(0)
+
+/* TCA8418 register masks */
+#define KEY_LCK_EC_KEC 0x7
+#define KEY_EVENT_CODE 0x7f
+#define KEY_EVENT_VALUE 0x80
+
+
+static const struct i2c_device_id tca8418_id[] = {
+ { TCA8418_NAME, 8418, },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tca8418_id);
+
+struct tca8418_keypad {
+ unsigned int rows;
+ unsigned int cols;
+ unsigned int keypad_mask; /* Mask for keypad col/rol regs */
+ unsigned int irq;
+ unsigned int row_shift;
+
+ struct i2c_client *client;
+ struct input_dev *input;
+
+ /* Flexible array member, must be at end of struct */
+ unsigned short keymap[];
+};
+
+/*
+ * Write a byte to the TCA8418
+ */
+static int tca8418_write_byte(struct tca8418_keypad *keypad_data,
+ int reg, u8 val)
+{
+ int error;
+
+ error = i2c_smbus_write_byte_data(keypad_data->client, reg, val);
+ if (error < 0) {
+ dev_err(&keypad_data->client->dev,
+ "%s failed, reg: %d, val: %d, error: %d\n",
+ __func__, reg, val, error);
+ return error;
+ }
+
+ return 0;
+}
+
+/*
+ * Read a byte from the TCA8418
+ */
+static int tca8418_read_byte(struct tca8418_keypad *keypad_data,
+ int reg, u8 *val)
+{
+ int error;
+
+ error = i2c_smbus_read_byte_data(keypad_data->client, reg);
+ if (error < 0) {
+ dev_err(&keypad_data->client->dev,
+ "%s failed, reg: %d, error: %d\n",
+ __func__, reg, error);
+ return error;
+ }
+
+ *val = (u8)error;
+
+ return 0;
+}
+
+static void tca8418_read_keypad(struct tca8418_keypad *keypad_data)
+{
+ int error, col, row;
+ u8 reg, state, code;
+
+ /* Initial read of the key event FIFO */
+ error = tca8418_read_byte(keypad_data, REG_KEY_EVENT_A, &reg);
+
+ /* Assume that key code 0 signifies empty FIFO */
+ while (error >= 0 && reg > 0) {
+ state = reg & KEY_EVENT_VALUE;
+ code = reg & KEY_EVENT_CODE;
+
+ row = code / TCA8418_MAX_COLS;
+ col = code % TCA8418_MAX_COLS;
+
+ row = (col) ? row : row - 1;
+ col = (col) ? col - 1 : TCA8418_MAX_COLS - 1;
+
+ code = MATRIX_SCAN_CODE(row, col, keypad_data->row_shift);
+ input_event(keypad_data->input, EV_MSC, MSC_SCAN, code);
+ input_report_key(keypad_data->input,
+ keypad_data->keymap[code], state);
+
+ /* Read for next loop */
+ error = tca8418_read_byte(keypad_data, REG_KEY_EVENT_A, &reg);
+ }
+
+ if (error < 0)
+ dev_err(&keypad_data->client->dev,
+ "unable to read REG_KEY_EVENT_A\n");
+
+ input_sync(keypad_data->input);
+}
+
+/*
+ * Threaded IRQ handler and this can (and will) sleep.
+ */
+static irqreturn_t tca8418_irq_handler(int irq, void *dev_id)
+{
+ struct tca8418_keypad *keypad_data = dev_id;
+ u8 reg;
+ int error;
+
+ error = tca8418_read_byte(keypad_data, REG_INT_STAT, &reg);
+ if (error) {
+ dev_err(&keypad_data->client->dev,
+ "unable to read REG_INT_STAT\n");
+ goto exit;
+ }
+
+ if (reg & INT_STAT_OVR_FLOW_INT)
+ dev_warn(&keypad_data->client->dev, "overflow occurred\n");
+
+ if (reg & INT_STAT_K_INT)
+ tca8418_read_keypad(keypad_data);
+
+exit:
+ /* Clear all interrupts, even IRQs we didn't check (GPI, CAD, LCK) */
+ reg = 0xff;
+ error = tca8418_write_byte(keypad_data, REG_INT_STAT, reg);
+ if (error)
+ dev_err(&keypad_data->client->dev,
+ "unable to clear REG_INT_STAT\n");
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * Configure the TCA8418 for keypad operation
+ */
+static int __devinit tca8418_configure(struct tca8418_keypad *keypad_data)
+{
+ int reg, error;
+
+ /* Write config register, if this fails assume device not present */
+ error = tca8418_write_byte(keypad_data, REG_CFG,
+ CFG_INT_CFG | CFG_OVR_FLOW_IEN | CFG_KE_IEN);
+ if (error < 0)
+ return -ENODEV;
+
+
+ /* Assemble a mask for row and column registers */
+ reg = ~(~0 << keypad_data->rows);
+ reg += (~(~0 << keypad_data->cols)) << 8;
+ keypad_data->keypad_mask = reg;
+
+ /* Set registers to keypad mode */
+ error |= tca8418_write_byte(keypad_data, REG_KP_GPIO1, reg);
+ error |= tca8418_write_byte(keypad_data, REG_KP_GPIO2, reg >> 8);
+ error |= tca8418_write_byte(keypad_data, REG_KP_GPIO3, reg >> 16);
+
+ /* Enable column debouncing */
+ error |= tca8418_write_byte(keypad_data, REG_DEBOUNCE_DIS1, reg);
+ error |= tca8418_write_byte(keypad_data, REG_DEBOUNCE_DIS2, reg >> 8);
+ error |= tca8418_write_byte(keypad_data, REG_DEBOUNCE_DIS3, reg >> 16);
+
+ return error;
+}
+
+static int __devinit tca8418_keypad_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ const struct tca8418_keypad_platform_data *pdata =
+ client->dev.platform_data;
+ struct tca8418_keypad *keypad_data;
+ struct input_dev *input;
+ int error, row_shift, max_keys;
+
+ /* Copy the platform data */
+ if (!pdata) {
+ dev_dbg(&client->dev, "no platform data\n");
+ return -EINVAL;
+ }
+
+ if (!pdata->keymap_data) {
+ dev_err(&client->dev, "no keymap data defined\n");
+ return -EINVAL;
+ }
+
+ if (!pdata->rows || pdata->rows > TCA8418_MAX_ROWS) {
+ dev_err(&client->dev, "invalid rows\n");
+ return -EINVAL;
+ }
+
+ if (!pdata->cols || pdata->cols > TCA8418_MAX_COLS) {
+ dev_err(&client->dev, "invalid columns\n");
+ return -EINVAL;
+ }
+
+ /* Check i2c driver capabilities */
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE)) {
+ dev_err(&client->dev, "%s adapter not supported\n",
+ dev_driver_string(&client->adapter->dev));
+ return -ENODEV;
+ }
+
+ row_shift = get_count_order(pdata->cols);
+ max_keys = pdata->rows << row_shift;
+
+ /* Allocate memory for keypad_data, keymap and input device */
+ keypad_data = kzalloc(sizeof(*keypad_data) +
+ max_keys * sizeof(keypad_data->keymap[0]), GFP_KERNEL);
+ if (!keypad_data)
+ return -ENOMEM;
+
+ keypad_data->rows = pdata->rows;
+ keypad_data->cols = pdata->cols;
+ keypad_data->client = client;
+ keypad_data->row_shift = row_shift;
+
+ /* Initialize the chip or fail if chip isn't present */
+ error = tca8418_configure(keypad_data);
+ if (error < 0)
+ goto fail1;
+
+ /* Configure input device */
+ input = input_allocate_device();
+ if (!input) {
+ error = -ENOMEM;
+ goto fail1;
+ }
+ keypad_data->input = input;
+
+ input->name = client->name;
+ input->dev.parent = &client->dev;
+
+ input->id.bustype = BUS_I2C;
+ input->id.vendor = 0x0001;
+ input->id.product = 0x001;
+ input->id.version = 0x0001;
+
+ input->keycode = keypad_data->keymap;
+ input->keycodesize = sizeof(keypad_data->keymap[0]);
+ input->keycodemax = max_keys;
+
+ __set_bit(EV_KEY, input->evbit);
+ if (pdata->rep)
+ __set_bit(EV_REP, input->evbit);
+
+ input_set_capability(input, EV_MSC, MSC_SCAN);
+
+ input_set_drvdata(input, keypad_data);
+
+ matrix_keypad_build_keymap(pdata->keymap_data, row_shift,
+ input->keycode, input->keybit);
+
+ if (pdata->irq_is_gpio)
+ client->irq = gpio_to_irq(client->irq);
+
+ error = request_threaded_irq(client->irq, NULL, tca8418_irq_handler,
+ IRQF_TRIGGER_FALLING,
+ client->name, keypad_data);
+ if (error) {
+ dev_dbg(&client->dev,
+ "Unable to claim irq %d; error %d\n",
+ client->irq, error);
+ goto fail2;
+ }
+
+ error = input_register_device(input);
+ if (error) {
+ dev_dbg(&client->dev,
+ "Unable to register input device, error: %d\n", error);
+ goto fail3;
+ }
+
+ i2c_set_clientdata(client, keypad_data);
+ return 0;
+
+fail3:
+ free_irq(client->irq, keypad_data);
+fail2:
+ input_free_device(input);
+fail1:
+ kfree(keypad_data);
+ return error;
+}
+
+static int __devexit tca8418_keypad_remove(struct i2c_client *client)
+{
+ struct tca8418_keypad *keypad_data = i2c_get_clientdata(client);
+
+ free_irq(keypad_data->client->irq, keypad_data);
+
+ input_unregister_device(keypad_data->input);
+
+ kfree(keypad_data);
+
+ return 0;
+}
+
+
+static struct i2c_driver tca8418_keypad_driver = {
+ .driver = {
+ .name = TCA8418_NAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = tca8418_keypad_probe,
+ .remove = __devexit_p(tca8418_keypad_remove),
+ .id_table = tca8418_id,
+};
+
+static int __init tca8418_keypad_init(void)
+{
+ return i2c_add_driver(&tca8418_keypad_driver);
+}
+subsys_initcall(tca8418_keypad_init);
+
+static void __exit tca8418_keypad_exit(void)
+{
+ i2c_del_driver(&tca8418_keypad_driver);
+}
+module_exit(tca8418_keypad_exit);
+
+MODULE_AUTHOR("Kyle Manna <kyle.manna@fuel7.com>");
+MODULE_DESCRIPTION("Keypad driver for TCA8418");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index cf3228b0ab90..a136e2e832be 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -26,6 +26,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/interrupt.h>
+#include <linux/of.h>
#include <linux/clk.h>
#include <linux/slab.h>
#include <mach/clk.h>
@@ -52,6 +53,7 @@
/* KBC Interrupt Register */
#define KBC_INT_0 0x4
#define KBC_INT_FIFO_CNT_INT_STATUS (1 << 2)
+#define KBC_INT_KEYPRESS_INT_STATUS (1 << 0)
#define KBC_ROW_CFG0_0 0x8
#define KBC_COL_CFG0_0 0x18
@@ -74,15 +76,17 @@ struct tegra_kbc {
unsigned int cp_to_wkup_dly;
bool use_fn_map;
bool use_ghost_filter;
+ bool keypress_caused_wake;
const struct tegra_kbc_platform_data *pdata;
unsigned short keycode[KBC_MAX_KEY * 2];
unsigned short current_keys[KBC_MAX_KPENT];
unsigned int num_pressed_keys;
+ u32 wakeup_key;
struct timer_list timer;
struct clk *clk;
};
-static const u32 tegra_kbc_default_keymap[] = {
+static const u32 tegra_kbc_default_keymap[] __devinitdata = {
KEY(0, 2, KEY_W),
KEY(0, 3, KEY_S),
KEY(0, 4, KEY_A),
@@ -217,7 +221,8 @@ static const u32 tegra_kbc_default_keymap[] = {
KEY(31, 4, KEY_HELP),
};
-static const struct matrix_keymap_data tegra_kbc_default_keymap_data = {
+static const
+struct matrix_keymap_data tegra_kbc_default_keymap_data __devinitdata = {
.keymap = tegra_kbc_default_keymap,
.keymap_size = ARRAY_SIZE(tegra_kbc_default_keymap),
};
@@ -409,6 +414,9 @@ static irqreturn_t tegra_kbc_isr(int irq, void *args)
*/
tegra_kbc_set_fifo_interrupt(kbc, false);
mod_timer(&kbc->timer, jiffies + kbc->cp_dly_jiffies);
+ } else if (val & KBC_INT_KEYPRESS_INT_STATUS) {
+ /* We can be here only through system resume path */
+ kbc->keypress_caused_wake = true;
}
spin_unlock_irqrestore(&kbc->lock, flags);
@@ -576,6 +584,56 @@ tegra_kbc_check_pin_cfg(const struct tegra_kbc_platform_data *pdata,
return true;
}
+#ifdef CONFIG_OF
+static struct tegra_kbc_platform_data * __devinit
+tegra_kbc_dt_parse_pdata(struct platform_device *pdev)
+{
+ struct tegra_kbc_platform_data *pdata;
+ struct device_node *np = pdev->dev.of_node;
+
+ if (!np)
+ return NULL;
+
+ pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return NULL;
+
+ if (!of_property_read_u32(np, "debounce-delay", &prop))
+ pdata->debounce_cnt = prop;
+
+ if (!of_property_read_u32(np, "repeat-delay", &prop))
+ pdata->repeat_cnt = prop;
+
+ if (of_find_property(np, "needs-ghost-filter", NULL))
+ pdata->use_ghost_filter = true;
+
+ if (of_find_property(np, "wakeup-source", NULL))
+ pdata->wakeup = true;
+
+ /*
+ * All currently known keymaps with device tree support use the same
+ * pin_cfg, so set it up here.
+ */
+ for (i = 0; i < KBC_MAX_ROW; i++) {
+ pdata->pin_cfg[i].num = i;
+ pdata->pin_cfg[i].is_row = true;
+ }
+
+ for (i = 0; i < KBC_MAX_COL; i++) {
+ pdata->pin_cfg[KBC_MAX_ROW + i].num = i;
+ pdata->pin_cfg[KBC_MAX_ROW + i].is_row = false;
+ }
+
+ return pdata;
+}
+#else
+static inline struct tegra_kbc_platform_data *tegra_kbc_dt_parse_pdata(
+ struct platform_device *pdev)
+{
+ return NULL;
+}
+#endif
+
static int __devinit tegra_kbc_probe(struct platform_device *pdev)
{
const struct tegra_kbc_platform_data *pdata = pdev->dev.platform_data;
@@ -590,21 +648,28 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev)
unsigned int scan_time_rows;
if (!pdata)
- return -EINVAL;
+ pdata = tegra_kbc_dt_parse_pdata(pdev);
- if (!tegra_kbc_check_pin_cfg(pdata, &pdev->dev, &num_rows))
+ if (!pdata)
return -EINVAL;
+ if (!tegra_kbc_check_pin_cfg(pdata, &pdev->dev, &num_rows)) {
+ err = -EINVAL;
+ goto err_free_pdata;
+ }
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get I/O memory\n");
- return -ENXIO;
+ err = -ENXIO;
+ goto err_free_pdata;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "failed to get keyboard IRQ\n");
- return -ENXIO;
+ err = -ENXIO;
+ goto err_free_pdata;
}
kbc = kzalloc(sizeof(*kbc), GFP_KERNEL);
@@ -674,9 +739,10 @@ static int __devinit tegra_kbc_probe(struct platform_device *pdev)
keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data;
matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT,
input_dev->keycode, input_dev->keybit);
+ kbc->wakeup_key = pdata->wakeup_key;
- err = request_irq(kbc->irq, tegra_kbc_isr, IRQF_TRIGGER_HIGH,
- pdev->name, kbc);
+ err = request_irq(kbc->irq, tegra_kbc_isr,
+ IRQF_NO_SUSPEND | IRQF_TRIGGER_HIGH, pdev->name, kbc);
if (err) {
dev_err(&pdev->dev, "failed to request keyboard IRQ\n");
goto err_put_clk;
@@ -706,6 +772,9 @@ err_free_mem_region:
err_free_mem:
input_free_device(input_dev);
kfree(kbc);
+err_free_pdata:
+ if (!pdev->dev.platform_data)
+ kfree(pdata);
return err;
}
@@ -715,6 +784,8 @@ static int __devexit tegra_kbc_remove(struct platform_device *pdev)
struct tegra_kbc *kbc = platform_get_drvdata(pdev);
struct resource *res;
+ platform_set_drvdata(pdev, NULL);
+
free_irq(kbc->irq, pdev);
clk_put(kbc->clk);
@@ -723,9 +794,14 @@ static int __devexit tegra_kbc_remove(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(res->start, resource_size(res));
- kfree(kbc);
+ /*
+ * If we do not have platform data attached to the device we
+ * allocated it ourselves and thus need to free it.
+ */
+ if (!pdev->dev.platform_data)
+ kfree(kbc->pdata);
- platform_set_drvdata(pdev, NULL);
+ kfree(kbc);
return 0;
}
@@ -754,6 +830,8 @@ static int tegra_kbc_suspend(struct device *dev)
tegra_kbc_setup_wakekeys(kbc, true);
msleep(30);
+ kbc->keypress_caused_wake = false;
+ enable_irq(kbc->irq);
enable_irq_wake(kbc->irq);
} else {
if (kbc->idev->users)
@@ -780,7 +858,19 @@ static int tegra_kbc_resume(struct device *dev)
tegra_kbc_set_fifo_interrupt(kbc, true);
- enable_irq(kbc->irq);
+ if (kbc->keypress_caused_wake && kbc->wakeup_key) {
+ /*
+ * We can't report events directly from the ISR
+ * because timekeeping is stopped when processing
+ * wakeup request and we get a nasty warning when
+ * we try to call do_gettimeofday() in evdev
+ * handler.
+ */
+ input_report_key(kbc->idev, kbc->wakeup_key, 1);
+ input_sync(kbc->idev);
+ input_report_key(kbc->idev, kbc->wakeup_key, 0);
+ input_sync(kbc->idev);
+ }
} else {
if (kbc->idev->users)
err = tegra_kbc_start(kbc);
@@ -793,6 +883,12 @@ static int tegra_kbc_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(tegra_kbc_pm_ops, tegra_kbc_suspend, tegra_kbc_resume);
+static const struct of_device_id tegra_kbc_of_match[] = {
+ { .compatible = "nvidia,tegra20-kbc", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, tegra_kbc_of_match);
+
static struct platform_driver tegra_kbc_driver = {
.probe = tegra_kbc_probe,
.remove = __devexit_p(tegra_kbc_remove),
@@ -800,20 +896,10 @@ static struct platform_driver tegra_kbc_driver = {
.name = "tegra-kbc",
.owner = THIS_MODULE,
.pm = &tegra_kbc_pm_ops,
+ .of_match_table = tegra_kbc_of_match,
},
};
-
-static void __exit tegra_kbc_exit(void)
-{
- platform_driver_unregister(&tegra_kbc_driver);
-}
-module_exit(tegra_kbc_exit);
-
-static int __init tegra_kbc_init(void)
-{
- return platform_driver_register(&tegra_kbc_driver);
-}
-module_init(tegra_kbc_init);
+module_platform_driver(tegra_kbc_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Rakesh Iyer <riyer@nvidia.com>");
diff --git a/drivers/input/keyboard/tnetv107x-keypad.c b/drivers/input/keyboard/tnetv107x-keypad.c
index 1c58681de81f..fb39c94b6fdd 100644
--- a/drivers/input/keyboard/tnetv107x-keypad.c
+++ b/drivers/input/keyboard/tnetv107x-keypad.c
@@ -24,6 +24,7 @@
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/input/matrix_keypad.h>
+#include <linux/module.h>
#define BITS(x) (BIT(x) - 1)
@@ -321,19 +322,7 @@ static struct platform_driver keypad_driver = {
.driver.name = "tnetv107x-keypad",
.driver.owner = THIS_MODULE,
};
-
-static int __init keypad_init(void)
-{
- return platform_driver_register(&keypad_driver);
-}
-
-static void __exit keypad_exit(void)
-{
- platform_driver_unregister(&keypad_driver);
-}
-
-module_init(keypad_init);
-module_exit(keypad_exit);
+module_platform_driver(keypad_driver);
MODULE_AUTHOR("Cyril Chemparathy");
MODULE_DESCRIPTION("TNETV107X Keypad Driver");
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index a26922cf0e84..a588578037eb 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -460,18 +460,7 @@ static struct platform_driver twl4030_kp_driver = {
.owner = THIS_MODULE,
},
};
-
-static int __init twl4030_kp_init(void)
-{
- return platform_driver_register(&twl4030_kp_driver);
-}
-module_init(twl4030_kp_init);
-
-static void __exit twl4030_kp_exit(void)
-{
- platform_driver_unregister(&twl4030_kp_driver);
-}
-module_exit(twl4030_kp_exit);
+module_platform_driver(twl4030_kp_driver);
MODULE_AUTHOR("Texas Instruments");
MODULE_DESCRIPTION("TWL4030 Keypad Driver");
diff --git a/drivers/input/keyboard/w90p910_keypad.c b/drivers/input/keyboard/w90p910_keypad.c
index 318586dadacf..99bbb7e775ae 100644
--- a/drivers/input/keyboard/w90p910_keypad.c
+++ b/drivers/input/keyboard/w90p910_keypad.c
@@ -262,19 +262,7 @@ static struct platform_driver w90p910_keypad_driver = {
.owner = THIS_MODULE,
},
};
-
-static int __init w90p910_keypad_init(void)
-{
- return platform_driver_register(&w90p910_keypad_driver);
-}
-
-static void __exit w90p910_keypad_exit(void)
-{
- platform_driver_unregister(&w90p910_keypad_driver);
-}
-
-module_init(w90p910_keypad_init);
-module_exit(w90p910_keypad_exit);
+module_platform_driver(w90p910_keypad_driver);
MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
MODULE_DESCRIPTION("w90p910 keypad driver");