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Index: linux-2.6.31/drivers/input/misc/Kconfig
===================================================================
--- linux-2.6.31.orig/drivers/input/misc/Kconfig 2009-10-30 11:08:24.000000000 +0100
+++ linux-2.6.31/drivers/input/misc/Kconfig 2009-10-30 11:08:32.000000000 +0100
@@ -270,6 +270,13 @@
To compile this driver as a module, choose M here: the
module will be called dm355evm_keys.
+config INPUT_BOC_BTNS
+ tristate "BoC buttons interface"
+ select INPUT_POLLDEV
+ help
+ To compile this driver as a module, choose M here:
+ the module will be called boc-btns.
+
config INPUT_CAPSENSE_BTNS
tristate "CAPSENSE CY8C201xx buttons interface"
select INPUT_POLLDEV
Index: linux-2.6.31/drivers/input/misc/Makefile
===================================================================
--- linux-2.6.31.orig/drivers/input/misc/Makefile 2009-10-30 11:08:51.000000000 +0100
+++ linux-2.6.31/drivers/input/misc/Makefile 2009-10-30 11:08:58.000000000 +0100
@@ -26,4 +26,5 @@
obj-$(CONFIG_INPUT_UINPUT) += uinput.o
obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o
obj-$(CONFIG_INPUT_YEALINK) += yealink.o
+obj-$(CONFIG_INPUT_BOC_BTNS) += boc-btns.o
obj-$(CONFIG_INPUT_CAPSENSE_BTNS) += capsense-btns.o
Index: linux-2.6.31/drivers/input/misc/boc-btns.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.31/drivers/input/misc/boc-btns.c 2009-10-30 11:57:13.000000000 +0100
@@ -0,0 +1,200 @@
+/*
+ * Buttons for BoC
+ *
+ * Copyright (C) 2009, Bollore telecom (www.bolloretelecom.eu).
+ *
+ * Jeremy Lainé <jeremy.laine@bolloretelecom.eu>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/input-polldev.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#define BUTTONS_POLL_INTERVAL 30 /* msec */
+
+static unsigned char input_gpio[] = {
+ 231, // reset button
+};
+
+static unsigned short input_keymap[] = {
+ KEY_ESC,
+};
+
+struct buttons_dev {
+ struct input_polled_dev *poll_dev;
+ unsigned short keymap[ARRAY_SIZE(input_keymap)];
+ int state[ARRAY_SIZE(input_keymap)];
+};
+
+/*
+ * Buttons events handling
+ */
+
+static void handle_buttons(struct input_polled_dev *dev)
+{
+ int i, value;
+ struct buttons_dev *bdev = dev->private;
+ struct input_dev *input = dev->input;
+
+ // read GPIO
+ for (i = 0; i < ARRAY_SIZE(input_keymap); i++)
+ {
+ value = gpio_get_value(input_gpio[i]);
+ if (value != bdev->state[i])
+ {
+ input_event(input, EV_MSC, MSC_SCAN, i);
+ input_report_key(input, input_keymap[i], value);
+ input_sync(input);
+ bdev->state[i] = value;
+ }
+ }
+}
+
+/*
+ * Device initialisation
+ */
+
+static int __devinit boc_buttons_probe(struct platform_device *pdev)
+{
+ struct buttons_dev *bdev;
+ struct input_polled_dev *poll_dev;
+ struct input_dev *input;
+ int error, i;
+
+ for (i = 0; i < ARRAY_SIZE(input_keymap); i++)
+ {
+ if (gpio_request(input_gpio[i], NULL) < 0)
+ return -ENODEV;
+ }
+
+ bdev = kzalloc(sizeof(struct buttons_dev), GFP_KERNEL);
+ if (!bdev)
+ return -ENOMEM;
+
+ poll_dev = input_allocate_polled_device();
+ if (!poll_dev) {
+ error = -ENOMEM;
+ goto out_allocated;
+ }
+
+ memcpy(bdev->keymap, input_keymap, sizeof(bdev->keymap));
+
+ poll_dev->private = bdev;
+ poll_dev->poll = handle_buttons;
+ poll_dev->poll_interval = BUTTONS_POLL_INTERVAL;
+
+ input = poll_dev->input;
+ input->name = "BoC buttons";
+ input->phys = "boc/input0";
+ input->id.bustype = BUS_HOST;
+ input->dev.parent = &pdev->dev;
+
+ input->keycode = bdev->keymap;
+ input->keycodemax = ARRAY_SIZE(bdev->keymap);
+ input->keycodesize = sizeof(unsigned short);
+
+ input_set_capability(input, EV_MSC, MSC_SCAN);
+ set_bit(EV_KEY, input->evbit);
+
+ bdev->poll_dev = poll_dev;
+ dev_set_drvdata(&pdev->dev, bdev);
+
+ error = input_register_polled_device(poll_dev);
+ if (error < 0)
+ goto out_polled;
+
+ return 0;
+
+out_polled:
+ input_free_polled_device(poll_dev);
+out_allocated:
+ kfree(bdev);
+ return error;
+}
+
+static int __devexit boc_buttons_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct buttons_dev *bdev = dev_get_drvdata(dev);
+ int i;
+
+ input_unregister_polled_device(bdev->poll_dev);
+ input_free_polled_device(bdev->poll_dev);
+ kfree(bdev);
+ dev_set_drvdata(dev, NULL);
+
+ for (i = 0; i < ARRAY_SIZE(input_keymap); i++)
+ gpio_free(input_gpio[i]);
+
+ return 0;
+}
+
+/*
+ * Driver initialisation
+ */
+
+static struct platform_driver boc_buttons_driver = {
+ .probe = boc_buttons_probe,
+ .remove = __devexit_p(boc_buttons_remove),
+ .driver = {
+ .name = "boc-btns",
+ .owner = THIS_MODULE,
+ },
+};
+
+static struct platform_device *boc_buttons_device;
+
+static int __init boc_buttons_init(void)
+{
+ int err;
+
+ err = platform_driver_register(&boc_buttons_driver);
+ if (err)
+ return err;
+
+ boc_buttons_device = platform_device_alloc("boc-btns", -1);
+ if (!boc_buttons_device) {
+ err = -ENOMEM;
+ goto err_unregister_driver;
+ }
+
+ err = platform_device_add(boc_buttons_device);
+ if (err)
+ goto err_free_device;
+
+ return 0;
+
+err_free_device:
+ platform_device_put(boc_buttons_device);
+err_unregister_driver:
+ platform_driver_unregister(&boc_buttons_driver);
+ return err;
+}
+
+static void __exit boc_buttons_exit(void)
+{
+ platform_device_unregister(boc_buttons_device);
+ platform_driver_unregister(&boc_buttons_driver);
+}
+
+MODULE_AUTHOR("Jeremy Laine <jeremy.laine@m4x.org>");
+MODULE_DESCRIPTION("BoC input driver");
+MODULE_LICENSE("GPL");
+module_init(boc_buttons_init);
+module_exit(boc_buttons_exit);
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