diff options
Diffstat (limited to 'drivers/staging/dream/include/linux/gpio_event.h')
| -rw-r--r-- | drivers/staging/dream/include/linux/gpio_event.h | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/drivers/staging/dream/include/linux/gpio_event.h b/drivers/staging/dream/include/linux/gpio_event.h deleted file mode 100644 index ffc5da392ad..00000000000 --- a/drivers/staging/dream/include/linux/gpio_event.h +++ /dev/null @@ -1,154 +0,0 @@ -/* drivers/staging/dream/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> - -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 input_dev *input_dev, - struct gpio_event_info *info, - void **data, int func); - int (*event)(struct input_dev *input_dev, - struct gpio_event_info *info, - void **data, unsigned int type, - unsigned int code, int value); /* out events */ -}; - -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); -}; - -#define GPIO_EVENT_DEV_NAME "gpio-event" - -/* Key matrix */ - -enum gpio_event_matrix_flags { - /* unset: drive active output low, set: drive active output high */ - 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, -}; - -extern int gpio_event_matrix_func(struct input_dev *input_dev, - struct gpio_event_info *info, void **data, int func); -struct gpio_event_matrix_info { - /* initialize to gpio_event_matrix_func */ - struct gpio_event_info info; - /* size must be ninputs * noutputs */ - const unsigned short *keymap; - unsigned int *input_gpios; - unsigned int *output_gpios; - unsigned int ninputs; - unsigned int noutputs; - /* time to wait before reading inputs after driving each output */ - ktime_t settle_time; - /* time to wait before scanning the keypad a second time */ - ktime_t debounce_delay; - ktime_t poll_time; - unsigned flags; -}; - -/* Directly connected inputs and outputs */ - -enum gpio_event_direct_flags { - GPIOEDF_ACTIVE_HIGH = 1U << 0, -/* GPIOEDF_USE_DOWN_IRQ = 1U << 1, */ -/* GPIOEDF_USE_IRQ = (1U << 2) | GPIOIDF_USE_DOWN_IRQ, */ - GPIOEDF_PRINT_KEYS = 1U << 8, - GPIOEDF_PRINT_KEY_DEBOUNCE = 1U << 9, -}; - -struct gpio_event_direct_entry { - uint32_t gpio:23; - uint32_t code:9; -}; - -/* inputs */ -extern int gpio_event_input_func(struct input_dev *input_dev, - struct gpio_event_info *info, void **data, int func); -struct gpio_event_input_info { - /* initialize to gpio_event_input_func */ - 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; -}; - -/* outputs */ -extern int gpio_event_output_func(struct input_dev *input_dev, - struct gpio_event_info *info, void **data, int func); -extern int gpio_event_output_event(struct input_dev *input_dev, - struct gpio_event_info *info, void **data, - unsigned int type, unsigned int code, int value); -struct gpio_event_output_info { - /* initialize to gpio_event_output_func and gpio_event_output_event */ - struct gpio_event_info info; - uint16_t flags; - uint16_t type; - const struct gpio_event_direct_entry *keymap; - size_t keymap_size; -}; - - -/* axes */ - -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 input_dev *input_dev, - struct gpio_event_info *info, void **data, int func); -struct gpio_event_axis_info { - /* initialize to gpio_event_axis_func */ - struct gpio_event_info info; - uint8_t count; - uint8_t type; /* EV_REL or EV_ABS */ - 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); - -#endif |