$(eval $(call KernelPackage,input-evdev))
+define KernelPackage/input-polldev
+ SUBMENU:=$(OTHER_MENU)
+ TITLE:=Polled Input device support
+ DEPENDS:=+kmod-input-core @LINUX_2_6
+ KCONFIG:=CONFIG_INPUT_POLLDEV
+ FILES:=$(LINUX_DIR)/drivers/input/input-polldev.$(LINUX_KMOD_SUFFIX)
+ AUTOLOAD:=$(call AutoLoad,61,input-polldev)
+endef
+
+define KernelPackage/input-polldev/description
+ Kernel module for support of polled input devices
+endef
+
+$(eval $(call KernelPackage,input-polldev))
+
+
+define KernelPackage/input-gpio-buttons
+ SUBMENU:=$(OTHER_MENU)
+ TITLE:=Polled GPIO buttons input device
+ DEPENDS:=+kmod-input-polldev @LINUX_2_6
+ KCONFIG:= \
+ CONFIG_INPUT_GPIO_BUTTONS \
+ CONFIG_INPUT_MISC=y
+ FILES:=$(LINUX_DIR)/drivers/input/misc/gpio_buttons.$(LINUX_KMOD_SUFFIX)
+ AUTOLOAD:=$(call AutoLoad,62,gpio_buttons)
+endef
+
+define KernelPackage/input-gpio-buttons/description
+ Kernel module for support polled GPIO buttons input device
+endef
+
+$(eval $(call KernelPackage,input-gpio-buttons))
+
+
define KernelPackage/mmc-spi
SUBMENU:=$(OTHER_MENU)
TITLE:=MMC/SD over SPI Support
--- /dev/null
+/*
+ * Driver for buttons on GPIO lines not capable of generating interrupts
+ *
+ * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * 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/init.h>
+#include <linux/input-polldev.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <linux/gpio_buttons.h>
+
+#include <asm/gpio.h>
+
+#define DRV_NAME "gpio-buttons"
+#define DRV_VERSION "0.1.0"
+#define PFX DRV_NAME ": "
+
+struct gpio_buttons_dev {
+ struct input_polled_dev *poll_dev;
+ struct gpio_buttons_platform_data *pdata;
+};
+
+static void gpio_buttons_poll(struct input_polled_dev *dev)
+{
+ struct gpio_buttons_dev *bdev = dev->private;
+ struct gpio_buttons_platform_data *pdata = bdev->pdata;
+ struct input_dev *input = dev->input;
+ int i;
+
+ for (i = 0; i < bdev->pdata->nbuttons; i++) {
+ struct gpio_button *button = &pdata->buttons[i];
+ unsigned int type = button->type ?: EV_KEY;
+ int state;
+
+ state = gpio_get_value(button->gpio) ? 1 : 0;
+ state ^= button->active_low;
+
+ if (state) {
+ button->count++;
+ } else {
+ if (button->count >= button->threshold) {
+ input_event(input, type, button->code, 1);
+ input_sync(input);
+ }
+ button->count = 0;
+ }
+
+ if (button->count == button->threshold) {
+ input_event(input, type, button->code, 0);
+ input_sync(input);
+ }
+ }
+}
+
+static int __devinit gpio_buttons_probe(struct platform_device *pdev)
+{
+ struct gpio_buttons_platform_data *pdata = pdev->dev.platform_data;
+ struct gpio_buttons_dev *bdev;
+ struct input_polled_dev *poll_dev;
+ struct input_dev *input;
+ int error, i;
+
+
+ if (!pdata)
+ return -ENXIO;
+
+ bdev = kzalloc(sizeof(*bdev), GFP_KERNEL);
+ if (!bdev) {
+ pr_err(DRV_NAME "no memory for device\n");
+ return -ENOMEM;
+ }
+
+ poll_dev = input_allocate_polled_device();
+ if (!poll_dev) {
+ pr_err(DRV_NAME "no memory for polled device\n");
+ error = -ENOMEM;
+ goto err_free_bdev;
+ }
+
+ poll_dev->private = bdev;
+ poll_dev->poll = gpio_buttons_poll;
+ poll_dev->poll_interval = pdata->poll_interval;
+
+ input = poll_dev->input;
+
+ input->evbit[0] = BIT_MASK(EV_KEY);
+ input->name = pdev->name;
+ input->phys = "gpio-buttons/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_button *button = &pdata->buttons[i];
+ unsigned int gpio = button->gpio;
+ unsigned int type = button->type ?: EV_KEY;
+
+ error = gpio_request(gpio, button->desc ?
+ button->desc : DRV_NAME);
+ if (error) {
+ pr_err(PFX "unable to claim gpio %u, error %d\n",
+ gpio, error);
+ goto err_free_gpio;
+ }
+
+ error = gpio_direction_input(gpio);
+ if (error) {
+ pr_err(PFX "unable to set direction on gpio %u, "
+ "error %d\n", gpio, error);
+ goto err_free_gpio;
+ }
+
+ input_set_capability(input, type, button->code);
+ button->count = 0;
+ }
+
+ bdev->poll_dev = poll_dev;
+ bdev->pdata = pdata;
+ platform_set_drvdata(pdev, bdev);
+
+ error = input_register_polled_device(poll_dev);
+ if (error) {
+ pr_err(PFX "unable to register polled device, error %d\n",
+ error);
+ goto err_free_gpio;
+ }
+
+ return 0;
+
+err_free_gpio:
+ for (i = i - 1; i >= 0; i--)
+ gpio_free(pdata->buttons[i].gpio);
+
+ input_free_polled_device(poll_dev);
+
+err_free_bdev:
+ kfree(bdev);
+err:
+ platform_set_drvdata(pdev, NULL);
+ return error;
+}
+
+static int __devexit gpio_buttons_remove(struct platform_device *pdev)
+{
+ struct gpio_buttons_dev *bdev = platform_get_drvdata(pdev);
+ struct gpio_buttons_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_buttons_driver = {
+ .probe = gpio_buttons_probe,
+ .remove = __devexit_p(gpio_buttons_remove),
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init gpio_buttons_init(void)
+{
+ pr_info(DRV_NAME " driver version " DRV_VERSION "\n");
+ return platform_driver_register(&gpio_buttons_driver);
+}
+
+static void __exit gpio_buttons_exit(void)
+{
+ platform_driver_unregister(&gpio_buttons_driver);
+}
+
+module_init(gpio_buttons_init);
+module_exit(gpio_buttons_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Polled buttons driver for CPU GPIOs");
+
--- /dev/null
+/*
+ * Definitions for the GPIO buttons interface driver
+ *
+ * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * This file was based on: /include/linux/gpio_keys.h
+ * The original gpio_keys.h seems not to have a license.
+ *
+ * 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.
+ *
+ */
+
+#ifndef _GPIO_BUTTONS_H_
+#define _GPIO_BUTTONS_H_
+
+struct gpio_button {
+ int gpio; /* GPIO line number */
+ int active_low;
+ char *desc; /* button description */
+ int type; /* input event type (EV_KEY, EV_SW) */
+ int code; /* input event code (KEY_*, SW_*) */
+ int count;
+ int threshold; /* count threshold */
+};
+
+struct gpio_buttons_platform_data {
+ struct gpio_button *buttons;
+ int nbuttons; /* number of buttons */
+ int poll_interval; /* polling interval */
+};
+
+#endif /* _GPIO_BUTTONS_H_ */
+
--- /dev/null
+--- linux-2.6.22.orig/drivers/input/misc/Kconfig 2007-08-21 06:33:06.000000000 +0200
++++ linux-2.6.22/drivers/input/misc/Kconfig 2007-10-08 10:57:23.000000000 +0200
+@@ -178,4 +178,20 @@
+ Say Y here if you want to support the built-in real time clock
+ of the HP SDC controller.
+
++config INPUT_GPIO_BUTTONS
++ tristate "Polled GPIO buttons interface"
++ depends on GENERIC_GPIO
++ select INPUT_POLLDEV
++ help
++ This driver implements support for buttons connected
++ to GPIO pins of various CPUs (and some other chips).
++
++ 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-buttons.
++
+ endif
+--- linux-2.6.22.4.orig/drivers/input/misc/Makefile 2007-08-21 06:33:06.000000000 +0200
++++ linux-2.6.22.4/drivers/input/misc/Makefile 2007-10-08 10:50:12.000000000 +0200
+@@ -18,3 +18,4 @@
+ obj-$(CONFIG_INPUT_YEALINK) += yealink.o
+ obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
+ obj-$(CONFIG_INPUT_UINPUT) += uinput.o
++obj-$(CONFIG_INPUT_GPIO_BUTTONS) += gpio_buttons.o
--- /dev/null
+--- linux-2.6.23.orig/drivers/input/misc/Kconfig 2007-08-21 06:33:06.000000000 +0200
++++ linux-2.6.23/drivers/input/misc/Kconfig 2007-10-08 10:57:23.000000000 +0200
+@@ -178,4 +178,20 @@
+ Say Y here if you want to support the built-in real time clock
+ of the HP SDC controller.
+
++config INPUT_GPIO_BUTTONS
++ tristate "Polled GPIO buttons interface"
++ depends on GENERIC_GPIO
++ select INPUT_POLLDEV
++ help
++ This driver implements support for buttons connected
++ to GPIO pins of various CPUs (and some other chips).
++
++ 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-buttons.
++
+ endif
+--- linux-2.6.23.orig/drivers/input/misc/Makefile 2007-08-21 06:33:06.000000000 +0200
++++ linux-2.6.23/drivers/input/misc/Makefile 2007-10-08 10:50:12.000000000 +0200
+@@ -18,3 +18,4 @@
+ obj-$(CONFIG_INPUT_YEALINK) += yealink.o
+ obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
+ obj-$(CONFIG_INPUT_UINPUT) += uinput.o
++obj-$(CONFIG_INPUT_GPIO_BUTTONS) += gpio_buttons.o
--- /dev/null
+--- linux-2.6.24.2.orig/drivers/input/misc/Kconfig 2007-08-21 06:33:06.000000000 +0200
++++ linux-2.6.24.2/drivers/input/misc/Kconfig 2007-10-08 10:57:23.000000000 +0200
+@@ -178,4 +178,20 @@
+ Say Y here if you want to support the built-in real time clock
+ of the HP SDC controller.
+
++config INPUT_GPIO_BUTTONS
++ tristate "Polled GPIO buttons interface"
++ depends on GENERIC_GPIO
++ select INPUT_POLLDEV
++ help
++ This driver implements support for buttons connected
++ to GPIO pins of various CPUs (and some other chips).
++
++ 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-buttons.
++
+ endif
+--- linux-2.6.24.2.orig/drivers/input/misc/Makefile 2007-08-21 06:33:06.000000000 +0200
++++ linux-2.6.24.2/drivers/input/misc/Makefile 2007-10-08 10:50:12.000000000 +0200
+@@ -18,3 +18,4 @@
+ obj-$(CONFIG_INPUT_YEALINK) += yealink.o
+ obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
+ obj-$(CONFIG_INPUT_UINPUT) += uinput.o
++obj-$(CONFIG_INPUT_GPIO_BUTTONS) += gpio_buttons.o
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