Initial commit from HTC m7ul-3.4.10-jb-crc-ddcfb8c
diff --git a/include/linux/gpio_event.h b/include/linux/gpio_event.h
new file mode 100644
index 0000000..8abef36
--- /dev/null
+++ b/include/linux/gpio_event.h
@@ -0,0 +1,185 @@
+/* include/linux/gpio_event.h
+ *
+ * Copyright (C) 2007 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#ifndef _LINUX_GPIO_EVENT_H
+#define _LINUX_GPIO_EVENT_H
+
+#include <linux/input.h>
+
+#define KEY_LOGD(fmt, args...) printk(KERN_DEBUG "[KEY] "fmt, ##args)
+#define KEY_LOGI(fmt, args...) printk(KERN_INFO "[KEY] "fmt, ##args)
+#define KEY_LOGE(fmt, args...) printk(KERN_ERR "[KEY] "fmt, ##args)
+
+struct gpio_event_input_devs {
+ int count;
+ struct input_dev *dev[];
+};
+enum {
+ GPIO_EVENT_FUNC_UNINIT = 0x0,
+ GPIO_EVENT_FUNC_INIT = 0x1,
+ GPIO_EVENT_FUNC_SUSPEND = 0x2,
+ GPIO_EVENT_FUNC_RESUME = 0x3,
+};
+struct gpio_event_info {
+ int (*func)(struct gpio_event_input_devs *input_devs,
+ struct gpio_event_info *info,
+ void **data, int func);
+ int (*event)(struct gpio_event_input_devs *input_devs,
+ struct gpio_event_info *info,
+ void **data, unsigned int dev, unsigned int type,
+ unsigned int code, int value);
+ bool no_suspend;
+};
+
+struct gpio_event_platform_data {
+ const char *name;
+ struct gpio_event_info **info;
+ size_t info_count;
+ int (*power)(const struct gpio_event_platform_data *pdata, bool on);
+ const char *names[];
+
+};
+
+#define GPIO_EVENT_DEV_NAME "gpio-event"
+
+
+enum gpio_event_matrix_flags {
+
+ GPIOKPF_ACTIVE_HIGH = 1U << 0,
+ GPIOKPF_DEBOUNCE = 1U << 1,
+ GPIOKPF_REMOVE_SOME_PHANTOM_KEYS = 1U << 2,
+ GPIOKPF_REMOVE_PHANTOM_KEYS = GPIOKPF_REMOVE_SOME_PHANTOM_KEYS |
+ GPIOKPF_DEBOUNCE,
+ GPIOKPF_DRIVE_INACTIVE = 1U << 3,
+ GPIOKPF_LEVEL_TRIGGERED_IRQ = 1U << 4,
+ GPIOKPF_PRINT_UNMAPPED_KEYS = 1U << 16,
+ GPIOKPF_PRINT_MAPPED_KEYS = 1U << 17,
+ GPIOKPF_PRINT_PHANTOM_KEYS = 1U << 18,
+};
+
+#define MATRIX_CODE_BITS (10)
+#define MATRIX_KEY_MASK ((1U << MATRIX_CODE_BITS) - 1)
+#define MATRIX_KEY(dev, code) \
+ (((dev) << MATRIX_CODE_BITS) | (code & MATRIX_KEY_MASK))
+
+extern int gpio_event_matrix_func(struct gpio_event_input_devs *input_devs,
+ struct gpio_event_info *info, void **data, int func);
+struct gpio_event_matrix_info {
+
+ struct gpio_event_info info;
+
+ const unsigned short *keymap;
+ unsigned int *input_gpios;
+ unsigned int *output_gpios;
+ unsigned int ninputs;
+ unsigned int noutputs;
+
+ struct timespec settle_time;
+
+ struct timespec debounce_delay;
+ struct timespec poll_time;
+ unsigned flags;
+};
+
+
+enum gpio_event_direct_flags {
+ GPIOEDF_ACTIVE_HIGH = 1U << 0,
+ GPIOEDF_PRINT_KEYS = 1U << 8,
+ GPIOEDF_PRINT_KEY_DEBOUNCE = 1U << 9,
+ GPIOEDF_PRINT_KEY_UNSTABLE = 1U << 10,
+};
+
+struct gpio_event_direct_entry {
+ uint32_t gpio:16;
+ uint32_t code:10;
+ uint32_t dev:6;
+ bool not_wakeup_src;
+};
+
+extern int gpio_event_input_func(struct gpio_event_input_devs *input_devs,
+ struct gpio_event_info *info, void **data, int func);
+struct gpio_event_input_info {
+
+ struct gpio_event_info info;
+ ktime_t debounce_time;
+ ktime_t poll_time;
+ uint16_t flags;
+ uint16_t type;
+ const struct gpio_event_direct_entry *keymap;
+ size_t keymap_size;
+ void (*setup_input_gpio)(void);
+ void (*set_qty_irq)(uint8_t);
+ void (*clear_hw_reset)(void);
+};
+
+extern int gpio_event_output_func(struct gpio_event_input_devs *input_devs,
+ struct gpio_event_info *info, void **data, int func);
+extern int gpio_event_output_event(struct gpio_event_input_devs *input_devs,
+ struct gpio_event_info *info, void **data,
+ unsigned int dev, unsigned int type,
+ unsigned int code, int value);
+struct gpio_event_output_info {
+
+ struct gpio_event_info info;
+ uint16_t flags;
+ uint16_t type;
+ const struct gpio_event_direct_entry *keymap;
+ size_t keymap_size;
+};
+
+
+
+enum gpio_event_axis_flags {
+ GPIOEAF_PRINT_UNKNOWN_DIRECTION = 1U << 16,
+ GPIOEAF_PRINT_RAW = 1U << 17,
+ GPIOEAF_PRINT_EVENT = 1U << 18,
+};
+
+extern int gpio_event_axis_func(struct gpio_event_input_devs *input_devs,
+ struct gpio_event_info *info, void **data, int func);
+struct gpio_event_axis_info {
+
+ struct gpio_event_info info;
+ uint8_t count;
+ uint8_t dev;
+ uint8_t type;
+ uint16_t code;
+ uint16_t decoded_size;
+ uint16_t (*map)(struct gpio_event_axis_info *info, uint16_t in);
+ uint32_t *gpio;
+ uint32_t flags;
+};
+#define gpio_axis_2bit_gray_map gpio_axis_4bit_gray_map
+#define gpio_axis_3bit_gray_map gpio_axis_4bit_gray_map
+uint16_t gpio_axis_4bit_gray_map(
+ struct gpio_event_axis_info *info, uint16_t in);
+uint16_t gpio_axis_5bit_singletrack_map(
+ struct gpio_event_axis_info *info, uint16_t in);
+
+extern int gpio_event_switch_func(struct gpio_event_input_devs *input_devs,
+ struct gpio_event_info *info, void **data, int func);
+struct gpio_event_switch_info {
+
+ struct gpio_event_info info;
+ ktime_t debounce_time;
+ ktime_t poll_time;
+ uint16_t flags;
+ uint16_t type;
+ const struct gpio_event_direct_entry *keymap;
+ size_t keymap_size;
+ void (*setup_switch_gpio)(void);
+ void (*set_qty_irq)(uint8_t);
+};
+#endif