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-rw-r--r--drivers/input/keyboard/Kconfig44
-rw-r--r--drivers/input/keyboard/Makefile4
-rw-r--r--drivers/input/keyboard/adp5588-keys.c76
-rw-r--r--drivers/input/keyboard/atkbd.c12
-rw-r--r--drivers/input/keyboard/gpio_keys_polled.c261
-rw-r--r--drivers/input/keyboard/hil_kbd.c2
-rw-r--r--drivers/input/keyboard/jornada680_kbd.c28
-rw-r--r--drivers/input/keyboard/nomadik-ske-keypad.c408
-rw-r--r--drivers/input/keyboard/omap4-keypad.c318
-rw-r--r--drivers/input/keyboard/tnetv107x-keypad.c340
-rw-r--r--drivers/input/keyboard/twl4030_keypad.c7
11 files changed, 1431 insertions, 69 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index aa037fe..3a87f3b 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -179,6 +179,22 @@ config KEYBOARD_GPIO
To compile this driver as a module, choose M here: the
module will be called gpio_keys.
+config KEYBOARD_GPIO_POLLED
+ tristate "Polled GPIO buttons"
+ depends on GENERIC_GPIO
+ select INPUT_POLLDEV
+ help
+ This driver implements support for buttons connected
+ to GPIO pins that are not capable of generating interrupts.
+
+ Say Y here if your device has buttons connected
+ directly to such GPIO pins. Your board-specific
+ setup logic must also provide a platform device,
+ with configuration data saying which GPIOs are used.
+
+ To compile this driver as a module, choose M here: the
+ module will be called gpio_keys_polled.
+
config KEYBOARD_TCA6416
tristate "TCA6416 Keypad Support"
depends on I2C
@@ -327,6 +343,16 @@ config KEYBOARD_NEWTON
To compile this driver as a module, choose M here: the
module will be called newtonkbd.
+config KEYBOARD_NOMADIK
+ tristate "ST-Ericsson Nomadik SKE keyboard"
+ depends on PLAT_NOMADIK
+ help
+ Say Y here if you want to use a keypad provided on the SKE controller
+ used on the Ux500 and Nomadik platforms
+
+ To compile this driver as a module, choose M here: the
+ module will be called nmk-ske-keypad.
+
config KEYBOARD_OPENCORES
tristate "OpenCores Keyboard Controller"
help
@@ -424,6 +450,24 @@ config KEYBOARD_OMAP
To compile this driver as a module, choose M here: the
module will be called omap-keypad.
+config KEYBOARD_OMAP4
+ tristate "TI OMAP4 keypad support"
+ depends on ARCH_OMAP4
+ help
+ Say Y here if you want to use the OMAP4 keypad.
+
+ To compile this driver as a module, choose M here: the
+ module will be called omap4-keypad.
+
+config KEYBOARD_TNETV107X
+ tristate "TI TNETV107X keypad support"
+ depends on ARCH_DAVINCI_TNETV107X
+ help
+ Say Y here if you want to use the TNETV107X keypad.
+
+ To compile this driver as a module, choose M here: the
+ module will be called tnetv107x-keypad.
+
config KEYBOARD_TWL4030
tristate "TI TWL4030/TWL5030/TPS659x0 keypad support"
depends on TWL4030_CORE
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 504b591..622de73 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o
obj-$(CONFIG_KEYBOARD_DAVINCI) += davinci_keyscan.o
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-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o
obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o
@@ -28,7 +29,9 @@ obj-$(CONFIG_KEYBOARD_MATRIX) += matrix_keypad.o
obj-$(CONFIG_KEYBOARD_MAX7359) += max7359_keypad.o
obj-$(CONFIG_KEYBOARD_MCS) += mcs_touchkey.o
obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o
+obj-$(CONFIG_KEYBOARD_NOMADIK) += nomadik-ske-keypad.o
obj-$(CONFIG_KEYBOARD_OMAP) += omap-keypad.o
+obj-$(CONFIG_KEYBOARD_OMAP4) += omap4-keypad.o
obj-$(CONFIG_KEYBOARD_OPENCORES) += opencores-kbd.o
obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x_keypad.o
obj-$(CONFIG_KEYBOARD_PXA930_ROTARY) += pxa930_rotary.o
@@ -38,6 +41,7 @@ obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o
obj-$(CONFIG_KEYBOARD_STMPE) += stmpe-keypad.o
obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
+obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o
obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o
obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o
obj-$(CONFIG_KEYBOARD_W90P910) += w90p910_keypad.o
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index d6918cb..af45d27 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -4,7 +4,7 @@
* I2C QWERTY Keypad and IO Expander
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
- * Copyright (C) 2008-2009 Analog Devices Inc.
+ * Copyright (C) 2008-2010 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
@@ -24,29 +24,6 @@
#include <linux/i2c/adp5588.h>
- /* Configuration Register1 */
-#define AUTO_INC (1 << 7)
-#define GPIEM_CFG (1 << 6)
-#define OVR_FLOW_M (1 << 5)
-#define INT_CFG (1 << 4)
-#define OVR_FLOW_IEN (1 << 3)
-#define K_LCK_IM (1 << 2)
-#define GPI_IEN (1 << 1)
-#define KE_IEN (1 << 0)
-
-/* Interrupt Status Register */
-#define CMP2_INT (1 << 5)
-#define CMP1_INT (1 << 4)
-#define OVR_FLOW_INT (1 << 3)
-#define K_LCK_INT (1 << 2)
-#define GPI_INT (1 << 1)
-#define KE_INT (1 << 0)
-
-/* Key Lock and Event Counter Register */
-#define K_LCK_EN (1 << 6)
-#define LCK21 0x30
-#define KEC 0xF
-
/* Key Event Register xy */
#define KEY_EV_PRESSED (1 << 7)
#define KEY_EV_MASK (0x7F)
@@ -55,10 +32,6 @@
#define KEYP_MAX_EVENT 10
-#define MAXGPIO 18
-#define ADP_BANK(offs) ((offs) >> 3)
-#define ADP_BIT(offs) (1u << ((offs) & 0x7))
-
/*
* Early pre 4.0 Silicon required to delay readout by at least 25ms,
* since the Event Counter Register updated 25ms after the interrupt
@@ -75,7 +48,7 @@ struct adp5588_kpad {
const struct adp5588_gpi_map *gpimap;
unsigned short gpimapsize;
#ifdef CONFIG_GPIOLIB
- unsigned char gpiomap[MAXGPIO];
+ unsigned char gpiomap[ADP5588_MAXGPIO];
bool export_gpio;
struct gpio_chip gc;
struct mutex gpio_lock; /* Protect cached dir, dat_out */
@@ -103,8 +76,8 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val)
static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off)
{
struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
- unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
- unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
return !!(adp5588_read(kpad->client, GPIO_DAT_STAT1 + bank) & bit);
}
@@ -113,8 +86,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip,
unsigned off, int val)
{
struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
- unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
- unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
mutex_lock(&kpad->gpio_lock);
@@ -132,8 +105,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip,
static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off)
{
struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
- unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
- unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
int ret;
mutex_lock(&kpad->gpio_lock);
@@ -150,8 +123,8 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip,
unsigned off, int val)
{
struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
- unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
- unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+ unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
int ret;
mutex_lock(&kpad->gpio_lock);
@@ -176,7 +149,7 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip,
static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad,
const struct adp5588_kpad_platform_data *pdata)
{
- bool pin_used[MAXGPIO];
+ bool pin_used[ADP5588_MAXGPIO];
int n_unused = 0;
int i;
@@ -191,7 +164,7 @@ static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad,
for (i = 0; i < kpad->gpimapsize; i++)
pin_used[kpad->gpimap[i].pin - GPI_PIN_BASE] = true;
- for (i = 0; i < MAXGPIO; i++)
+ for (i = 0; i < ADP5588_MAXGPIO; i++)
if (!pin_used[i])
kpad->gpiomap[n_unused++] = i;
@@ -234,7 +207,7 @@ static int __devinit adp5588_gpio_add(struct adp5588_kpad *kpad)
return error;
}
- for (i = 0; i <= ADP_BANK(MAXGPIO); i++) {
+ for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
kpad->dat_out[i] = adp5588_read(kpad->client,
GPIO_DAT_OUT1 + i);
kpad->dir[i] = adp5588_read(kpad->client, GPIO_DIR1 + i);
@@ -318,11 +291,11 @@ static void adp5588_work(struct work_struct *work)
status = adp5588_read(client, INT_STAT);
- if (status & OVR_FLOW_INT) /* Unlikely and should never happen */
+ if (status & ADP5588_OVR_FLOW_INT) /* Unlikely and should never happen */
dev_err(&client->dev, "Event Overflow Error\n");
- if (status & KE_INT) {
- ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & KEC;
+ if (status & ADP5588_KE_INT) {
+ ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & ADP5588_KEC;
if (ev_cnt) {
adp5588_report_events(kpad, ev_cnt);
input_sync(kpad->input);
@@ -360,7 +333,7 @@ static int __devinit adp5588_setup(struct i2c_client *client)
if (pdata->en_keylock) {
ret |= adp5588_write(client, UNLOCK1, pdata->unlock_key1);
ret |= adp5588_write(client, UNLOCK2, pdata->unlock_key2);
- ret |= adp5588_write(client, KEY_LCK_EC_STAT, K_LCK_EN);
+ ret |= adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN);
}
for (i = 0; i < KEYP_MAX_EVENT; i++)
@@ -384,7 +357,7 @@ static int __devinit adp5588_setup(struct i2c_client *client)
}
if (gpio_data) {
- for (i = 0; i <= ADP_BANK(MAXGPIO); i++) {
+ for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
int pull_mask = gpio_data->pullup_dis_mask;
ret |= adp5588_write(client, GPIO_PULL1 + i,
@@ -392,11 +365,14 @@ static int __devinit adp5588_setup(struct i2c_client *client)
}
}
- ret |= adp5588_write(client, INT_STAT, CMP2_INT | CMP1_INT |
- OVR_FLOW_INT | K_LCK_INT |
- GPI_INT | KE_INT); /* Status is W1C */
+ ret |= adp5588_write(client, INT_STAT,
+ ADP5588_CMP2_INT | ADP5588_CMP1_INT |
+ ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT |
+ ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */
- ret |= adp5588_write(client, CFG, INT_CFG | OVR_FLOW_IEN | KE_IEN);
+ ret |= adp5588_write(client, CFG, ADP5588_INT_CFG |
+ ADP5588_OVR_FLOW_IEN |
+ ADP5588_KE_IEN);
if (ret < 0) {
dev_err(&client->dev, "Write Error\n");
@@ -660,7 +636,7 @@ static const struct dev_pm_ops adp5588_dev_pm_ops = {
#endif
static const struct i2c_device_id adp5588_id[] = {
- { KBUILD_MODNAME, 0 },
+ { "adp5588-keys", 0 },
{ "adp5587-keys", 0 },
{ }
};
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index d358ef8..11478eb 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -63,6 +63,10 @@ static bool atkbd_extra;
module_param_named(extra, atkbd_extra, bool, 0);
MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards");
+static bool atkbd_terminal;
+module_param_named(terminal, atkbd_terminal, bool, 0);
+MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2");
+
/*
* Scancode to keycode tables. These are just the default setting, and
* are loadable via a userland utility.
@@ -136,7 +140,8 @@ static const unsigned short atkbd_unxlate_table[128] = {
#define ATKBD_CMD_ENABLE 0x00f4
#define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */
#define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */
-#define ATKBD_CMD_SETALL_MBR 0x00fa
+#define ATKBD_CMD_SETALL_MB 0x00f8 /* Set all keys to give break codes */
+#define ATKBD_CMD_SETALL_MBR 0x00fa /* ... and repeat */
#define ATKBD_CMD_RESET_BAT 0x02ff
#define ATKBD_CMD_RESEND 0x00fe
#define ATKBD_CMD_EX_ENABLE 0x10ea
@@ -764,6 +769,11 @@ static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra
}
}
+ if (atkbd_terminal) {
+ ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB);
+ return 3;
+ }
+
if (target_set != 3)
return 2;
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
new file mode 100644
index 0000000..4c17aff
--- /dev/null
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -0,0 +1,261 @@
+/*
+ * Driver for buttons on GPIO lines not capable of generating interrupts
+ *
+ * Copyright (C) 2007-2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2010 Nuno Goncalves <nunojpg@gmail.com>
+ *
+ * This file was based on: /drivers/input/misc/cobalt_btns.c
+ * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ * also was based on: /drivers/input/keyboard/gpio_keys.c
+ * Copyright 2005 Phil Blundell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/input-polldev.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+
+#define DRV_NAME "gpio-keys-polled"
+
+struct gpio_keys_button_data {
+ int last_state;
+ int count;
+ int threshold;
+ int can_sleep;
+};
+
+struct gpio_keys_polled_dev {
+ struct input_polled_dev *poll_dev;
+ struct device *dev;
+ struct gpio_keys_platform_data *pdata;
+ struct gpio_keys_button_data data[0];
+};
+
+static void gpio_keys_polled_check_state(struct input_dev *input,
+ struct gpio_keys_button *button,
+ struct gpio_keys_button_data *bdata)
+{
+ int state;
+
+ if (bdata->can_sleep)
+ state = !!gpio_get_value_cansleep(button->gpio);
+ else
+ state = !!gpio_get_value(button->gpio);
+
+ if (state != bdata->last_state) {
+ unsigned int type = button->type ?: EV_KEY;
+
+ input_event(input, type, button->code,
+ !!(state ^ button->active_low));
+ input_sync(input);
+ bdata->count = 0;
+ bdata->last_state = state;
+ }
+}
+
+static void gpio_keys_polled_poll(struct input_polled_dev *dev)
+{
+ struct gpio_keys_polled_dev *bdev = dev->private;
+ struct gpio_keys_platform_data *pdata = bdev->pdata;
+ struct input_dev *input = dev->input;
+ int i;
+
+ for (i = 0; i < bdev->pdata->nbuttons; i++) {
+ struct gpio_keys_button_data *bdata = &bdev->data[i];
+
+ if (bdata->count < bdata->threshold)
+ bdata->count++;
+ else
+ gpio_keys_polled_check_state(input, &pdata->buttons[i],
+ bdata);
+ }
+}
+
+static void gpio_keys_polled_open(struct input_polled_dev *dev)
+{
+ struct gpio_keys_polled_dev *bdev = dev->private;
+ struct gpio_keys_platform_data *pdata = bdev->pdata;
+
+ if (pdata->enable)
+ pdata->enable(bdev->dev);
+}
+
+static void gpio_keys_polled_close(struct input_polled_dev *dev)
+{
+ struct gpio_keys_polled_dev *bdev = dev->private;
+ struct gpio_keys_platform_data *pdata = bdev->pdata;
+
+ if (pdata->disable)
+ pdata->disable(bdev->dev);
+}
+
+static int __devinit gpio_keys_polled_probe(struct platform_device *pdev)
+{
+ struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
+ struct device *dev = &pdev->dev;
+ struct gpio_keys_polled_dev *bdev;
+ struct input_polled_dev *poll_dev;
+ struct input_dev *input;
+ int error;
+ int i;
+
+ if (!pdata || !pdata->poll_interval)
+ return -EINVAL;
+
+ bdev = kzalloc(sizeof(struct gpio_keys_polled_dev) +
+ pdata->nbuttons * sizeof(struct gpio_keys_button_data),
+ GFP_KERNEL);
+ if (!bdev) {
+ dev_err(dev, "no memory for private data\n");
+ return -ENOMEM;
+ }
+
+ poll_dev = input_allocate_polled_device();
+ if (!poll_dev) {
+ dev_err(dev, "no memory for polled device\n");
+ error = -ENOMEM;
+ goto err_free_bdev;
+ }
+
+ poll_dev->private = bdev;
+ poll_dev->poll = gpio_keys_polled_poll;
+ poll_dev->poll_interval = pdata->poll_interval;
+ poll_dev->open = gpio_keys_polled_open;
+ poll_dev->close = gpio_keys_polled_close;
+
+ input = poll_dev->input;
+
+ input->evbit[0] = BIT(EV_KEY);
+ input->name = pdev->name;
+ input->phys = DRV_NAME"/input0";
+ input->dev.parent = &pdev->dev;
+
+ input->id.bustype = BUS_HOST;
+ input->id.vendor = 0x0001;
+ input->id.product = 0x0001;
+ input->id.version = 0x0100;
+
+ for (i = 0; i < pdata->nbuttons; i++) {
+ struct gpio_keys_button *button = &pdata->buttons[i];
+ struct gpio_keys_button_data *bdata = &bdev->data[i];
+ unsigned int gpio = button->gpio;
+ unsigned int type = button->type ?: EV_KEY;
+
+ if (button->wakeup) {
+ dev_err(dev, DRV_NAME " does not support wakeup\n");
+ error = -EINVAL;
+ goto err_free_gpio;
+ }
+
+ error = gpio_request(gpio,
+ button->desc ? button->desc : DRV_NAME);
+ if (error) {
+ dev_err(dev, "unable to claim gpio %u, err=%d\n",
+ gpio, error);
+ goto err_free_gpio;
+ }
+
+ error = gpio_direction_input(gpio);
+ if (error) {
+ dev_err(dev,
+ "unable to set direction on gpio %u, err=%d\n",
+ gpio, error);
+ goto err_free_gpio;
+ }
+
+ bdata->can_sleep = gpio_cansleep(gpio);
+ bdata->last_state = -1;
+ bdata->threshold = DIV_ROUND_UP(button->debounce_interval,
+ pdata->poll_interval);
+
+ input_set_capability(input, type, button->code);
+ }
+
+ bdev->poll_dev = poll_dev;
+ bdev->dev = dev;
+ bdev->pdata = pdata;
+ platform_set_drvdata(pdev, bdev);
+
+ error = input_register_polled_device(poll_dev);
+ if (error) {
+ dev_err(dev, "unable to register polled device, err=%d\n",
+ error);
+ goto err_free_gpio;
+ }
+
+ /* report initial state of the buttons */
+ for (i = 0; i < pdata->nbuttons; i++)
+ gpio_keys_polled_check_state(input, &pdata->buttons[i],
+ &bdev->data[i]);
+
+ return 0;
+
+err_free_gpio:
+ while (--i >= 0)
+ gpio_free(pdata->buttons[i].gpio);
+
+ input_free_polled_device(poll_dev);
+
+err_free_bdev:
+ kfree(bdev);
+
+ platform_set_drvdata(pdev, NULL);
+ return error;
+}
+
+static int __devexit gpio_keys_polled_remove(struct platform_device *pdev)
+{
+ struct gpio_keys_polled_dev *bdev = platform_get_drvdata(pdev);
+ struct gpio_keys_platform_data *pdata = bdev->pdata;
+ int i;
+
+ input_unregister_polled_device(bdev->poll_dev);
+
+ for (i = 0; i < pdata->nbuttons; i++)
+ gpio_free(pdata->buttons[i].gpio);
+
+ input_free_polled_device(bdev->poll_dev);
+
+ kfree(bdev);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver gpio_keys_polled_driver = {
+ .probe = gpio_keys_polled_probe,
+ .remove = __devexit_p(gpio_keys_polled_remove),
+ .driver = {
+ .name = DRV_NAME,
+ .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_LICENSE("GPL v2");
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
+MODULE_DESCRIPTION("Polled GPIO Buttons driver");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index 19fa94a..fed31e0 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -570,6 +570,8 @@ static struct serio_device_id hil_dev_ids[] = {
{ 0 }
};
+MODULE_DEVICE_TABLE(serio, hil_dev_ids);
+
static struct serio_driver hil_serio_drv = {
.driver = {
.name = "hil_dev",
diff --git a/drivers/input/keyboard/jornada680_kbd.c b/drivers/input/keyboard/jornada680_kbd.c
index 5fc976d..7197c56 100644
--- a/drivers/input/keyboard/jornada680_kbd.c
+++ b/drivers/input/keyboard/jornada680_kbd.c
@@ -139,35 +139,35 @@ static void jornada_scan_keyb(unsigned char *s)
}, *y = matrix_PDE;
/* Save these control reg bits */
- dc_static = (ctrl_inw(PDCR) & (~0xcc0c));
- ec_static = (ctrl_inw(PECR) & (~0xf0cf));
+ dc_static = (__raw_readw(PDCR) & (~0xcc0c));
+ ec_static = (__raw_readw(PECR) & (~0xf0cf));
for (i = 0; i < 8; i++) {
/* disable output for all but the one we want to scan */
- ctrl_outw((dc_static | *y++), PDCR);
- ctrl_outw((ec_static | *y++), PECR);
+ __raw_writew((dc_static | *y++), PDCR);
+ __raw_writew((ec_static | *y++), PECR);
udelay(5);
/* Get scanline row */
- ctrl_outb(*t++, PDDR);
- ctrl_outb(*t++, PEDR);
+ __raw_writeb(*t++, PDDR);
+ __raw_writeb(*t++, PEDR);
udelay(50);
/* Read data */
- *s++ = ctrl_inb(PCDR);
- *s++ = ctrl_inb(PFDR);
+ *s++ = __raw_readb(PCDR);
+ *s++ = __raw_readb(PFDR);
}
/* Scan no lines */
- ctrl_outb(0xff, PDDR);
- ctrl_outb(0xff, PEDR);
+ __raw_writeb(0xff, PDDR);
+ __raw_writeb(0xff, PEDR);
/* Enable all scanlines */
- ctrl_outw((dc_static | (0x5555 & 0xcc0c)),PDCR);
- ctrl_outw((ec_static | (0x5555 & 0xf0cf)),PECR);
+ __raw_writew((dc_static | (0x5555 & 0xcc0c)),PDCR);
+ __raw_writew((ec_static | (0x5555 & 0xf0cf)),PECR);
/* Ignore extra keys and events */
- *s++ = ctrl_inb(PGDR);
- *s++ = ctrl_inb(PHDR);
+ *s++ = __raw_readb(PGDR);
+ *s++ = __raw_readb(PHDR);
}
static void jornadakbd680_poll(struct input_polled_dev *dev)
diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c
new file mode 100644
index 0000000..6e0f230
--- /dev/null
+++ b/drivers/input/keyboard/nomadik-ske-keypad.c
@@ -0,0 +1,408 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Naveen Kumar G <naveen.gaddipati@stericsson.com> for ST-Ericsson
+ * Author: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
+ *
+ * License terms:GNU General Public License (GPL) version 2
+ *
+ * Keypad controller driver for the SKE (Scroll Key Encoder) module used in
+ * the Nomadik 8815 and Ux500 platforms.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/slab.h>
+#include <linux/clk.h>
+
+#include <plat/ske.h>
+
+/* SKE_CR bits */
+#define SKE_KPMLT (0x1 << 6)
+#define SKE_KPCN (0x7 << 3)
+#define SKE_KPASEN (0x1 << 2)
+#define SKE_KPASON (0x1 << 7)
+
+/* SKE_IMSC bits */
+#define SKE_KPIMA (0x1 << 2)
+
+/* SKE_ICR bits */
+#define SKE_KPICS (0x1 << 3)
+#define SKE_KPICA (0x1 << 2)
+
+/* SKE_RIS bits */
+#define SKE_KPRISA (0x1 << 2)
+
+#define SKE_KEYPAD_ROW_SHIFT 3
+#define SKE_KPD_KEYMAP_SIZE (8 * 8)
+
+/* keypad auto scan registers */
+#define SKE_ASR0 0x20
+#define SKE_ASR1 0x24
+#define SKE_ASR2 0x28
+#define SKE_ASR3 0x2C
+
+#define SKE_NUM_ASRX_REGISTERS (4)
+
+/**
+ * struct ske_keypad - data structure used by keypad driver
+ * @irq: irq no
+ * @reg_base: ske regsiters base address
+ * @input: pointer to input device object
+ * @board: keypad platform device
+ * @keymap: matrix scan code table for keycodes
+ * @clk: clock structure pointer
+ */
+struct ske_keypad {
+ int irq;
+ void __iomem *reg_base;
+ struct input_dev *input;
+ const struct ske_keypad_platform_data *board;
+ unsigned short keymap[SKE_KPD_KEYMAP_SIZE];
+ struct clk *clk;
+ spinlock_t ske_keypad_lock;
+};
+
+static void ske_keypad_set_bits(struct ske_keypad *keypad, u16 addr,
+ u8 mask, u8 data)
+{
+ u32 ret;
+
+ spin_lock(&keypad->ske_keypad_lock);
+
+ ret = readl(keypad->reg_base + addr);
+ ret &= ~mask;
+ ret |= data;
+ writel(ret, keypad->reg_base + addr);
+
+ spin_unlock(&keypad->ske_keypad_lock);
+}
+
+/*
+ * ske_keypad_chip_init: init keypad controller configuration
+ *
+ * Enable Multi key press detection, auto scan mode
+ */
+static int __devinit ske_keypad_chip_init(struct ske_keypad *keypad)
+{
+ u32 value;
+ int timeout = 50;
+
+ /* check SKE_RIS to be 0 */
+ while ((readl(keypad->reg_base + SKE_RIS) != 0x00000000) && timeout--)
+ cpu_relax();
+
+ if (!timeout)
+ return -EINVAL;
+
+ /*
+ * set debounce value
+ * keypad dbounce is configured in DBCR[15:8]
+ * dbounce value in steps of 32/32.768 ms
+ */
+ spin_lock(&keypad->ske_keypad_lock);
+ value = readl(keypad->reg_base + SKE_DBCR);
+ value = value & 0xff;
+ value |= ((keypad->board->debounce_ms * 32000)/32768) << 8;
+ writel(value, keypad->reg_base + SKE_DBCR);
+ spin_unlock(&keypad->ske_keypad_lock);
+
+ /* enable multi key detection */
+ ske_keypad_set_bits(keypad, SKE_CR, 0x0, SKE_KPMLT);
+
+ /*
+ * set up the number of columns
+ * KPCN[5:3] defines no. of keypad columns to be auto scanned
+ */
+ value = (keypad->board->kcol - 1) << 3;
+ ske_keypad_set_bits(keypad, SKE_CR, SKE_KPCN, value);
+
+ /* clear keypad interrupt for auto(and pending SW) scans */
+ ske_keypad_set_bits(keypad, SKE_ICR, 0x0, SKE_KPICA | SKE_KPICS);
+
+ /* un-mask keypad interrupts */
+ ske_keypad_set_bits(keypad, SKE_IMSC, 0x0, SKE_KPIMA);
+
+ /* enable automatic scan */
+ ske_keypad_set_bits(keypad, SKE_CR, 0x0, SKE_KPASEN);
+
+ return 0;
+}
+
+static void ske_keypad_read_data(struct ske_keypad *keypad)
+{
+ struct input_dev *input = keypad->input;
+ u16 status;
+ int col = 0, row = 0, code;
+ int ske_asr, ske_ris, key_pressed, i;
+
+ /*
+ * Read the auto scan registers
+ *
+ * Each SKE_ASRx (x=0 to x=3) contains two row values.
+ * lower byte contains row value for column 2*x,
+ * upper byte contains row value for column 2*x + 1
+ */
+ for (i = 0; i < SKE_NUM_ASRX_REGISTERS; i++) {
+ ske_asr = readl(keypad->reg_base + SKE_ASR0 + (4 * i));
+ if (!ske_asr)
+ continue;
+
+ /* now that ASRx is zero, find out the column x and row y*/
+ if (ske_asr & 0xff) {
+ col = i * 2;
+ status = ske_asr & 0xff;
+ } else {
+ col = (i * 2) + 1;
+ status = (ske_asr & 0xff00) >> 8;
+ }
+
+ /* find out the row */
+ row = __ffs(status);
+
+ code = MATRIX_SCAN_CODE(row, col, SKE_KEYPAD_ROW_SHIFT);
+ ske_ris = readl(keypad->reg_base + SKE_RIS);
+ key_pressed = ske_ris & SKE_KPRISA;
+
+ input_event(input, EV_MSC, MSC_SCAN, code);
+ input_report_key(input, keypad->keymap[code], key_pressed);
+ input_sync(input);
+ }
+}
+
+static irqreturn_t ske_keypad_irq(int irq, void *dev_id)
+{
+ struct ske_keypad *keypad = dev_id;
+ int retries = 20;
+
+ /* disable auto scan interrupt; mask the interrupt generated */
+ ske_keypad_set_bits(keypad, SKE_IMSC, ~SKE_KPIMA, 0x0);
+ ske_keypad_set_bits(keypad, SKE_ICR, 0x0, SKE_KPICA);
+
+ while ((readl(keypad->reg_base + SKE_CR) & SKE_KPASON) && --retries)
+ msleep(5);
+
+ if (retries) {
+ /* SKEx registers are stable and can be read */
+ ske_keypad_read_data(keypad);
+ }
+
+ /* enable auto scan interrupts */
+ ske_keypad_set_bits(keypad, SKE_IMSC, 0x0, SKE_KPIMA);
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit ske_keypad_probe(struct platform_device *pdev)
+{
+ const struct ske_keypad_platform_data *plat = pdev->dev.platform_data;
+ struct ske_keypad *keypad;
+ struct input_dev *input;
+ struct resource *res;
+ int irq;
+ int error;
+
+ if (!plat) {
+ dev_err(&pdev->dev, "invalid keypad platform data\n");
+ return -EINVAL;
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_err(&pdev->dev, "failed to get keypad irq\n");
+ return -EINVAL;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "missing platform resources\n");
+ return -EINVAL;
+ }
+
+ keypad = kzalloc(sizeof(struct ske_keypad), GFP_KERNEL);
+ input = input_allocate_device();
+ if (!keypad || !input) {
+ dev_err(&pdev->dev, "failed to allocate keypad memory\n");
+ error = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ keypad->irq = irq;
+ keypad->board = plat;
+ keypad->input = input;
+ spin_lock_init(&keypad->ske_keypad_lock);
+
+ if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
+ dev_err(&pdev->dev, "failed to request I/O memory\n");
+ error = -EBUSY;
+ goto err_free_mem;
+ }
+
+ keypad->reg_base = ioremap(res->start, resource_size(res));
+ if (!keypad->reg_base) {
+ dev_err(&pdev->dev, "failed to remap I/O memory\n");
+ error = -ENXIO;
+ goto err_free_mem_region;
+ }
+
+ keypad->clk = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(keypad->clk)) {
+ dev_err(&pdev->dev, "failed to get clk\n");
+ error = PTR_ERR(keypad->clk);
+ goto err_iounmap;
+ }
+
+ input->id.bustype = BUS_HOST;
+ input->name = "ux500-ske-keypad";
+ input->dev.parent = &pdev->dev;
+
+ input->keycode = keypad->keymap;
+ input->keycodesize = sizeof(keypad->keymap[0]);
+ input->keycodemax = ARRAY_SIZE(keypad->keymap);
+
+ input_set_capability(input, EV_MSC, MSC_SCAN);
+
+ __set_bit(EV_KEY, input->evbit);
+ if (!plat->no_autorepeat)
+ __set_bit(EV_REP, input->evbit);
+
+ matrix_keypad_build_keymap(plat->keymap_data, SKE_KEYPAD_ROW_SHIFT,
+ input->keycode, input->keybit);
+
+ clk_enable(keypad->clk);
+
+ /* go through board initialization helpers */
+ if (keypad->board->init)
+ keypad->board->init();
+
+ error = ske_keypad_chip_init(keypad);
+ if (error) {
+ dev_err(&pdev->dev, "unable to init keypad hardware\n");
+ goto err_clk_disable;
+ }
+
+ error = request_threaded_irq(keypad->irq, NULL, ske_keypad_irq,
+ IRQF_ONESHOT, "ske-keypad", keypad);
+ if (error) {
+ dev_err(&pdev->dev, "allocate irq %d failed\n", keypad->irq);
+ goto err_clk_disable;
+ }
+
+ error = input_register_device(input);
+ if (error) {
+ dev_err(&pdev->dev,
+ "unable to register input device: %d\n", error);
+ goto err_free_irq;
+ }
+
+ if (plat->wakeup_enable)
+ device_init_wakeup(&pdev->dev, true);
+
+ platform_set_drvdata(pdev, keypad);
+
+ return 0;
+
+err_free_irq:
+ free_irq(keypad->irq, keypad);
+err_clk_disable:
+ clk_disable(keypad->clk);
+ clk_put(keypad->clk);
+err_iounmap:
+ iounmap(keypad->reg_base);
+err_free_mem_region:
+ release_mem_region(res->start, resource_size(res));
+err_free_mem:
+ input_free_device(input);
+ kfree(keypad);
+ return error;
+}
+
+static int __devexit ske_keypad_remove(struct platform_device *pdev)
+{
+ struct ske_keypad *keypad = platform_get_drvdata(pdev);
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ free_irq(keypad->irq, keypad);
+
+ input_unregister_device(keypad->input);
+
+ clk_disable(keypad->clk);
+ clk_put(keypad->clk);
+
+ if (keypad->board->exit)
+ keypad->board->exit();
+
+ iounmap(keypad->reg_base);
+ release_mem_region(res->start, resource_size(res));
+ kfree(keypad);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int ske_keypad_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct ske_keypad *keypad = platform_get_drvdata(pdev);
+ int irq = platform_get_irq(pdev, 0);
+
+ if (device_may_wakeup(dev))
+ enable_irq_wake(irq);
+ else
+ ske_keypad_set_bits(keypad, SKE_IMSC, ~SKE_KPIMA, 0x0);
+
+ return 0;
+}
+
+static int ske_keypad_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct ske_keypad *keypad = platform_get_drvdata(pdev);
+ int irq = platform_get_irq(pdev, 0);
+
+ if (device_may_wakeup(dev))
+ disable_irq_wake(irq);
+ else
+ ske_keypad_set_bits(keypad, SKE_IMSC, 0x0, SKE_KPIMA);
+
+ return 0;
+}
+
+static const struct dev_pm_ops ske_keypad_dev_pm_ops = {
+ .suspend = ske_keypad_suspend,
+ .resume = ske_keypad_resume,
+};
+#endif
+
+struct platform_driver ske_keypad_driver = {
+ .driver = {
+ .name = "nmk-ske-keypad",
+ .owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &ske_keypad_dev_pm_ops,
+#endif
+ },
+ .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_LICENSE("GPL v2");
+MODULE_AUTHOR("Naveen Kumar <naveen.gaddipati@stericsson.com> / Sundar Iyer <sundar.iyer@stericsson.com>");
+MODULE_DESCRIPTION("Nomadik Scroll-Key-Encoder Keypad Driver");
+MODULE_ALIAS("platform:nomadik-ske-keypad");
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
new file mode 100644
index 0000000..45bd097
--- /dev/null
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -0,0 +1,318 @@
+/*
+ * OMAP4 Keypad Driver
+ *
+ * Copyright (C) 2010 Texas Instruments
+ *
+ * Author: Abraham Arce <x0066660@ti.com>
+ * Initial Code: Syed Rafiuddin <rafiuddin.syed@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+#include <linux/input.h>
+#include <linux/slab.h>
+
+#include <plat/omap4-keypad.h>
+
+/* OMAP4 registers */
+#define OMAP4_KBD_REVISION 0x00
+#define OMAP4_KBD_SYSCONFIG 0x10
+#define OMAP4_KBD_SYSSTATUS 0x14
+#define OMAP4_KBD_IRQSTATUS 0x18
+#define OMAP4_KBD_IRQENABLE 0x1C
+#define OMAP4_KBD_WAKEUPENABLE 0x20
+#define OMAP4_KBD_PENDING 0x24
+#define OMAP4_KBD_CTRL 0x28
+#define OMAP4_KBD_DEBOUNCINGTIME 0x2C
+#define OMAP4_KBD_LONGKEYTIME 0x30
+#define OMAP4_KBD_TIMEOUT 0x34
+#define OMAP4_KBD_STATEMACHINE 0x38
+#define OMAP4_KBD_ROWINPUTS 0x3C
+#define OMAP4_KBD_COLUMNOUTPUTS 0x40
+#define OMAP4_KBD_FULLCODE31_0 0x44
+#define OMAP4_KBD_FULLCODE63_32 0x48
+
+/* OMAP4 bit definitions */
+#define OMAP4_DEF_IRQENABLE_EVENTEN (1 << 0)
+#define OMAP4_DEF_IRQENABLE_LONGKEY (1 << 1)
+#define OMAP4_DEF_IRQENABLE_TIMEOUTEN (1 << 2)
+#define OMAP4_DEF_WUP_EVENT_ENA (1 << 0)
+#define OMAP4_DEF_WUP_LONG_KEY_ENA (1 << 1)
+#define OMAP4_DEF_CTRL_NOSOFTMODE (1 << 1)
+#define OMAP4_DEF_CTRLPTVVALUE (1 << 2)
+#define OMAP4_DEF_CTRLPTV (1 << 1)
+
+/* OMAP4 values */
+#define OMAP4_VAL_IRQDISABLE 0x00
+#define OMAP4_VAL_DEBOUNCINGTIME 0x07
+#define OMAP4_VAL_FUNCTIONALCFG 0x1E
+
+#define OMAP4_MASK_IRQSTATUSDISABLE 0xFFFF
+
+struct omap4_keypad {
+ struct input_dev *input;
+
+ void __iomem *base;
+ int irq;
+
+ unsigned int rows;
+ unsigned int cols;
+ unsigned int row_shift;
+ unsigned char key_state[8];
+ unsigned short keymap[];
+};
+
+static void __devinit omap4_keypad_config(struct omap4_keypad *keypad_data)
+{
+ __raw_writel(OMAP4_VAL_FUNCTIONALCFG,
+ keypad_data->base + OMAP4_KBD_CTRL);
+ __raw_writel(OMAP4_VAL_DEBOUNCINGTIME,
+ keypad_data->base + OMAP4_KBD_DEBOUNCINGTIME);
+ __raw_writel(OMAP4_VAL_IRQDISABLE,
+ keypad_data->base + OMAP4_KBD_IRQSTATUS);
+ __raw_writel(OMAP4_DEF_IRQENABLE_EVENTEN | OMAP4_DEF_IRQENABLE_LONGKEY,
+ keypad_data->base + OMAP4_KBD_IRQENABLE);
+ __raw_writel(OMAP4_DEF_WUP_EVENT_ENA | OMAP4_DEF_WUP_LONG_KEY_ENA,
+ keypad_data->base + OMAP4_KBD_WAKEUPENABLE);
+}
+
+/* Interrupt handler */
+static irqreturn_t omap4_keypad_interrupt(int irq, void *dev_id)
+{
+ struct omap4_keypad *keypad_data = dev_id;
+ struct input_dev *input_dev = keypad_data->input;
+ unsigned char key_state[ARRAY_SIZE(keypad_data->key_state)];
+ unsigned int col, row, code, changed;
+ u32 *new_state = (u32 *) key_state;
+
+ /* Disable interrupts */
+ __raw_writel(OMAP4_VAL_IRQDISABLE,
+ keypad_data->base + OMAP4_KBD_IRQENABLE);
+
+ *new_state = __raw_readl(keypad_data->base + OMAP4_KBD_FULLCODE31_0);
+ *(new_state + 1) = __raw_readl(keypad_data->base
+ + OMAP4_KBD_FULLCODE63_32);
+
+ for (row = 0; row < keypad_data->rows; row++) {
+ changed = key_state[row] ^ keypad_data->key_state[row];
+ if (!changed)
+ continue;
+
+ for (col = 0; col < keypad_data->cols; col++) {
+ if (changed & (1 << col)) {
+ code = MATRIX_SCAN_CODE(row, col,
+ keypad_data->row_shift);
+ input_event(input_dev, EV_MSC, MSC_SCAN, code);
+ input_report_key(input_dev,
+ keypad_data->keymap[code],
+ key_state[row] & (1 << col));
+ }
+ }
+ }
+
+ input_sync(input_dev);
+
+ memcpy(keypad_data->key_state, key_state,
+ sizeof(keypad_data->key_state));
+
+ /* clear pending interrupts */
+ __raw_writel(__raw_readl(keypad_data->base + OMAP4_KBD_IRQSTATUS),
+ keypad_data->base + OMAP4_KBD_IRQSTATUS);
+
+ /* enable interrupts */
+ __raw_writel(OMAP4_DEF_IRQENABLE_EVENTEN | OMAP4_DEF_IRQENABLE_LONGKEY,
+ keypad_data->base + OMAP4_KBD_IRQENABLE);
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit omap4_keypad_probe(struct platform_device *pdev)
+{
+ const struct omap4_keypad_platform_data *pdata;
+ struct omap4_keypad *keypad_data;
+ struct input_dev *input_dev;
+ struct resource *res;
+ resource_size_t size;
+ unsigned int row_shift, max_keys;
+ int irq;
+ int error;
+
+ /* platform data */
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&pdev->dev, "no platform data defined\n");
+ return -EINVAL;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "no base address specified\n");
+ return -EINVAL;
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ if (!irq) {
+ dev_err(&pdev->dev, "no keyboard irq assigned\n");
+ return -EINVAL;
+ }
+
+ if (!pdata->keymap_data) {
+ dev_err(&pdev->dev, "no keymap data defined\n");
+ return -EINVAL;
+ }
+
+ row_shift = get_count_order(pdata->cols);
+ max_keys = pdata->rows << row_shift;
+
+ keypad_data = kzalloc(sizeof(struct omap4_keypad) +
+ max_keys * sizeof(keypad_data->keymap[0]),
+ GFP_KERNEL);
+ if (!keypad_data) {
+ dev_err(&pdev->dev, "keypad_data memory allocation failed\n");
+ return -ENOMEM;
+ }
+
+ size = resource_size(res);
+
+ res = request_mem_region(res->start, size, pdev->name);
+ if (!res) {
+ dev_err(&pdev->dev, "can't request mem region\n");
+ error = -EBUSY;
+ goto err_free_keypad;
+ }
+
+ keypad_data->base = ioremap(res->start, resource_size(res));
+ if (!keypad_data->base) {
+ dev_err(&pdev->dev, "can't ioremap mem resource\n");
+ error = -ENOMEM;
+ goto err_release_mem;
+ }
+
+ keypad_data->irq = irq;
+ keypad_data->row_shift = row_shift;
+ keypad_data->rows = pdata->rows;
+ keypad_data->cols = pdata->cols;
+
+ /* input device allocation */
+ keypad_data->input = input_dev = input_allocate_device();
+ if (!input_dev) {
+ error = -ENOMEM;
+ goto err_unmap;
+ }
+
+ input_dev->name = pdev->name;
+ input_dev->dev.parent = &pdev->dev;
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->id.vendor = 0x0001;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0001;
+
+ input_dev->keycode = keypad_data->keymap;
+ input_dev->keycodesize = sizeof(keypad_data->keymap[0]);
+ input_dev->keycodemax = max_keys;
+
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(EV_REP, input_dev->evbit);
+
+ input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+
+ input_set_drvdata(input_dev, keypad_data);
+
+ matrix_keypad_build_keymap(pdata->keymap_data, row_shift,
+ input_dev->keycode, input_dev->keybit);
+
+ omap4_keypad_config(keypad_data);
+
+ error = request_irq(keypad_data->irq, omap4_keypad_interrupt,
+ IRQF_TRIGGER_RISING,
+ "omap4-keypad", keypad_data);
+ if (error) {
+ dev_err(&pdev->dev, "failed to register interrupt\n");
+ goto err_free_input;
+ }
+
+ error = input_register_device(keypad_data->input);
+ if (error < 0) {
+ dev_err(&pdev->dev, "failed to register input device\n");
+ goto err_free_irq;
+ }
+
+
+ platform_set_drvdata(pdev, keypad_data);
+ return 0;
+
+err_free_irq:
+ free_irq(keypad_data->irq, keypad_data);
+err_free_input:
+ input_free_device(input_dev);
+err_unmap:
+ iounmap(keypad_data->base);
+err_release_mem:
+ release_mem_region(res->start, size);
+err_free_keypad:
+ kfree(keypad_data);
+ return error;
+}
+
+static int __devexit omap4_keypad_remove(struct platform_device *pdev)
+{
+ struct omap4_keypad *keypad_data = platform_get_drvdata(pdev);
+ struct resource *res;
+
+ free_irq(keypad_data->irq, keypad_data);
+ input_unregister_device(keypad_data->input);
+
+ iounmap(keypad_data->base);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ release_mem_region(res->start, resource_size(res));
+
+ kfree(keypad_data);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver omap4_keypad_driver = {
+ .probe = omap4_keypad_probe,
+ .remove = __devexit_p(omap4_keypad_remove),
+ .driver = {
+ .name = "omap4-keypad",
+ .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_AUTHOR("Texas Instruments");
+MODULE_DESCRIPTION("OMAP4 Keypad Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:omap4-keypad");
diff --git a/drivers/input/keyboard/tnetv107x-keypad.c b/drivers/input/keyboard/tnetv107x-keypad.c
new file mode 100644
index 0000000..b4a81eb
--- /dev/null
+++ b/drivers/input/keyboard/tnetv107x-keypad.c
@@ -0,0 +1,340 @@
+/*
+ * Texas Instruments TNETV107X Keypad Driver
+ *
+ * Copyright (C) 2010 Texas Instruments
+ *
+ * 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.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/input/matrix_keypad.h>
+
+#define BITS(x) (BIT(x) - 1)
+
+#define KEYPAD_ROWS 9
+#define KEYPAD_COLS 9
+
+#define DEBOUNCE_MIN 0x400ul
+#define DEBOUNCE_MAX 0x3ffffffful
+
+struct keypad_regs {
+ u32 rev;
+ u32 mode;
+ u32 mask;
+ u32 pol;
+ u32 dclock;
+ u32 rclock;
+ u32 stable_cnt;
+ u32 in_en;
+ u32 out;
+ u32 out_en;
+ u32 in;
+ u32 lock;
+ u32 pres[3];
+};
+
+#define keypad_read(kp, reg) __raw_readl(&(kp)->regs->reg)
+#define keypad_write(kp, reg, val) __raw_writel(val, &(kp)->regs->reg)
+
+struct keypad_data {
+ struct input_dev *input_dev;
+ struct resource *res;
+ struct keypad_regs __iomem *regs;
+ struct clk *clk;
+ struct device *dev;
+ spinlock_t lock;
+ u32 irq_press;
+ u32 irq_release;
+ int rows, cols, row_shift;
+ int debounce_ms, active_low;
+ u32 prev_keys[3];
+ unsigned short keycodes[];
+};
+
+static irqreturn_t keypad_irq(int irq, void *data)
+{
+ struct keypad_data *kp = data;
+ int i, bit, val, row, col, code;
+ unsigned long flags;
+ u32 curr_keys[3];
+ u32 change;
+
+ spin_lock_irqsave(&kp->lock, flags);
+
+ memset(curr_keys, 0, sizeof(curr_keys));
+ if (irq == kp->irq_press)
+ for (i = 0; i < 3; i++)
+ curr_keys[i] = keypad_read(kp, pres[i]);
+
+ for (i = 0; i < 3; i++) {
+ change = curr_keys[i] ^ kp->prev_keys[i];
+
+ while (change) {
+ bit = fls(change) - 1;
+ change ^= BIT(bit);
+ val = curr_keys[i] & BIT(bit);
+ bit += i * 32;
+ row = bit / KEYPAD_COLS;
+ col = bit % KEYPAD_COLS;
+
+ code = MATRIX_SCAN_CODE(row, col, kp->row_shift);
+ input_event(kp->input_dev, EV_MSC, MSC_SCAN, code);
+ input_report_key(kp->input_dev, kp->keycodes[code],
+ val);
+ }
+ }
+ input_sync(kp->input_dev);
+ memcpy(kp->prev_keys, curr_keys, sizeof(curr_keys));
+
+ if (irq == kp->irq_press)
+ keypad_write(kp, lock, 0); /* Allow hardware updates */
+
+ spin_unlock_irqrestore(&kp->lock, flags);
+
+ return IRQ_HANDLED;
+}
+
+static int keypad_start(struct input_dev *dev)
+{
+ struct keypad_data *kp = input_get_drvdata(dev);
+ unsigned long mask, debounce, clk_rate_khz;
+ unsigned long flags;
+
+ clk_enable(kp->clk);
+ clk_rate_khz = clk_get_rate(kp->clk) / 1000;
+
+ spin_lock_irqsave(&kp->lock, flags);
+
+ /* Initialize device registers */
+ keypad_write(kp, mode, 0);
+
+ mask = BITS(kp->rows) << KEYPAD_COLS;
+ mask |= BITS(kp->cols);
+ keypad_write(kp, mask, ~mask);
+
+ keypad_write(kp, pol, kp->active_low ? 0 : 0x3ffff);
+ keypad_write(kp, stable_cnt, 3);
+
+ debounce = kp->debounce_ms * clk_rate_khz;
+ debounce = clamp(debounce, DEBOUNCE_MIN, DEBOUNCE_MAX);
+ keypad_write(kp, dclock, debounce);
+ keypad_write(kp, rclock, 4 * debounce);
+
+ keypad_write(kp, in_en, 1);
+
+ spin_unlock_irqrestore(&kp->lock, flags);
+
+ return 0;
+}
+
+static void keypad_stop(struct input_dev *dev)
+{
+ struct keypad_data *kp = input_get_drvdata(dev);
+
+ synchronize_irq(kp->irq_press);
+ synchronize_irq(kp->irq_release);
+ clk_disable(kp->clk);
+}
+
+static int __devinit keypad_probe(struct platform_device *pdev)
+{
+ const struct matrix_keypad_platform_data *pdata;
+ const struct matrix_keymap_data *keymap_data;
+ struct device *dev = &pdev->dev;
+ struct keypad_data *kp;
+ int error = 0, sz, row_shift;
+ u32 rev = 0;
+
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(dev, "cannot find device data\n");
+ return -EINVAL;
+ }
+
+ keymap_data = pdata->keymap_data;
+ if (!keymap_data) {
+ dev_err(dev, "cannot find keymap data\n");
+ return -EINVAL;
+ }
+
+ row_shift = get_count_order(pdata->num_col_gpios);
+ sz = offsetof(struct keypad_data, keycodes);
+ sz += (pdata->num_row_gpios << row_shift) * sizeof(kp->keycodes[0]);
+ kp = kzalloc(sz, GFP_KERNEL);
+ if (!kp) {
+ dev_err(dev, "cannot allocate device info\n");
+ return -ENOMEM;
+ }
+
+ kp->dev = dev;
+ kp->rows = pdata->num_row_gpios;
+ kp->cols = pdata->num_col_gpios;
+ kp->row_shift = row_shift;
+ platform_set_drvdata(pdev, kp);
+ spin_lock_init(&kp->lock);
+
+ kp->irq_press = platform_get_irq_byname(pdev, "press");
+ kp->irq_release = platform_get_irq_byname(pdev, "release");
+ if (kp->irq_press < 0 || kp->irq_release < 0) {
+ dev_err(dev, "cannot determine device interrupts\n");
+ error = -ENODEV;
+ goto error_res;
+ }
+
+ kp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!kp->res) {
+ dev_err(dev, "cannot determine register area\n");
+ error = -ENODEV;
+ goto error_res;
+ }
+
+ if (!request_mem_region(kp->res->start, resource_size(kp->res),
+ pdev->name)) {
+ dev_err(dev, "cannot claim register memory\n");
+ kp->res = NULL;
+ error = -EINVAL;
+ goto error_res;
+ }
+
+ kp->regs = ioremap(kp->res->start, resource_size(kp->res));
+ if (!kp->regs) {
+ dev_err(dev, "cannot map register memory\n");
+ error = -ENOMEM;
+ goto error_map;
+ }
+
+ kp->clk = clk_get(dev, NULL);
+ if (!kp->clk) {
+ dev_err(dev, "cannot claim device clock\n");
+ error = -EINVAL;
+ goto error_clk;
+ }
+
+ error = request_threaded_irq(kp->irq_press, NULL, keypad_irq, 0,
+ dev_name(dev), kp);
+ if (error < 0) {
+ dev_err(kp->dev, "Could not allocate keypad press key irq\n");
+ goto error_irq_press;
+ }
+
+ error = request_threaded_irq(kp->irq_release, NULL, keypad_irq, 0,
+ dev_name(dev), kp);
+ if (error < 0) {
+ dev_err(kp->dev, "Could not allocate keypad release key irq\n");
+ goto error_irq_release;
+ }
+
+ kp->input_dev = input_allocate_device();
+ if (!kp->input_dev) {
+ dev_err(dev, "cannot allocate input device\n");
+ error = -ENOMEM;
+ goto error_input;
+ }
+ input_set_drvdata(kp->input_dev, kp);
+
+ kp->input_dev->name = pdev->name;
+ kp->input_dev->dev.parent = &pdev->dev;
+ kp->input_dev->open = keypad_start;
+ kp->input_dev->close = keypad_stop;
+ kp->input_dev->evbit[0] = BIT_MASK(EV_KEY);
+ if (!pdata->no_autorepeat)
+ kp->input_dev->evbit[0] |= BIT_MASK(EV_REP);
+
+ clk_enable(kp->clk);
+ rev = keypad_read(kp, rev);
+ kp->input_dev->id.bustype = BUS_HOST;
+ kp->input_dev->id.product = ((rev >> 8) & 0x07);
+ kp->input_dev->id.version = ((rev >> 16) & 0xfff);
+ clk_disable(kp->clk);
+
+ kp->input_dev->keycode = kp->keycodes;
+ kp->input_dev->keycodesize = sizeof(kp->keycodes[0]);
+ kp->input_dev->keycodemax = kp->rows << kp->row_shift;
+
+ matrix_keypad_build_keymap(keymap_data, kp->row_shift, kp->keycodes,
+ kp->input_dev->keybit);
+
+ input_set_capability(kp->input_dev, EV_MSC, MSC_SCAN);
+
+ error = input_register_device(kp->input_dev);
+ if (error < 0) {
+ dev_err(dev, "Could not register input device\n");
+ goto error_reg;
+ }
+
+ return 0;
+
+
+error_reg:
+ input_free_device(kp->input_dev);
+error_input:
+ free_irq(kp->irq_release, kp);
+error_irq_release:
+ free_irq(kp->irq_press, kp);
+error_irq_press:
+ clk_put(kp->clk);
+error_clk:
+ iounmap(kp->regs);
+error_map:
+ release_mem_region(kp->res->start, resource_size(kp->res));
+error_res:
+ platform_set_drvdata(pdev, NULL);
+ kfree(kp);
+ return error;
+}
+
+static int __devexit keypad_remove(struct platform_device *pdev)
+{
+ struct keypad_data *kp = platform_get_drvdata(pdev);
+
+ free_irq(kp->irq_press, kp);
+ free_irq(kp->irq_release, kp);
+ input_unregister_device(kp->input_dev);
+ clk_put(kp->clk);
+ iounmap(kp->regs);
+ release_mem_region(kp->res->start, resource_size(kp->res));
+ platform_set_drvdata(pdev, NULL);
+ kfree(kp);
+
+ return 0;
+}
+
+static struct platform_driver keypad_driver = {
+ .probe = keypad_probe,
+ .remove = __devexit_p(keypad_remove),
+ .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_AUTHOR("Cyril Chemparathy");
+MODULE_DESCRIPTION("TNETV107X Keypad Driver");
+MODULE_ALIAS("platform: tnetv107x-keypad");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index fb16b5e..09bef79 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -406,23 +406,22 @@ static int __devinit twl4030_kp_probe(struct platform_device *pdev)
if (error) {
dev_info(kp->dbg_dev, "request_irq failed for irq no=%d\n",
kp->irq);
- goto err3;
+ goto err2;
}
/* Enable KP and TO interrupts now. */
reg = (u8) ~(KEYP_IMR1_KP | KEYP_IMR1_TO);
if (twl4030_kpwrite_u8(kp, reg, KEYP_IMR1)) {
error = -EIO;
- goto err4;
+ goto err3;
}
platform_set_drvdata(pdev, kp);
return 0;
-err4:
+err3:
/* mask all events - we don't care about the result */
(void) twl4030_kpwrite_u8(kp, 0xff, KEYP_IMR1);
-err3:
free_irq(kp->irq, NULL);
err2:
input_unregister_device(input);
generated by cgit v1.1 at 2024-09-17 19:31:04 +0000