diff options
Diffstat (limited to 'include/linux/gpio_event.h')
| -rw-r--r-- | include/linux/gpio_event.h | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/include/linux/gpio_event.h b/include/linux/gpio_event.h index 5ff828bcb6bc..360b4ddb46a6 100644 --- a/include/linux/gpio_event.h +++ b/include/linux/gpio_event.h @@ -18,6 +18,10 @@ #include <linux/input.h> +struct gpio_event_input_devs { + int count; + struct input_dev *dev[]; +}; enum { GPIO_EVENT_FUNC_UNINIT = 0x0, GPIO_EVENT_FUNC_INIT = 0x1, @@ -25,13 +29,14 @@ enum { GPIO_EVENT_FUNC_RESUME = 0x3, }; struct gpio_event_info { - int (*func)(struct input_dev *input_dev, + int (*func)(struct gpio_event_input_devs *input_devs, struct gpio_event_info *info, void **data, int func); - int (*event)(struct input_dev *input_dev, + int (*event)(struct gpio_event_input_devs *input_devs, struct gpio_event_info *info, - void **data, unsigned int type, + void **data, unsigned int dev, unsigned int type, unsigned int code, int value); /* out events */ + bool no_suspend; }; struct gpio_event_platform_data { @@ -39,6 +44,8 @@ struct gpio_event_platform_data { struct gpio_event_info **info; size_t info_count; int (*power)(const struct gpio_event_platform_data *pdata, bool on); + const char *names[]; /* If name is NULL, names contain a NULL */ + /* terminated list of input devices to create */ }; #define GPIO_EVENT_DEV_NAME "gpio-event" @@ -59,7 +66,12 @@ enum gpio_event_matrix_flags { GPIOKPF_PRINT_PHANTOM_KEYS = 1U << 18, }; -extern int gpio_event_matrix_func(struct input_dev *input_dev, +#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 { /* initialize to gpio_event_matrix_func */ @@ -89,12 +101,13 @@ enum gpio_event_direct_flags { }; struct gpio_event_direct_entry { - uint32_t gpio:23; - uint32_t code:9; + uint32_t gpio:16; + uint32_t code:10; + uint32_t dev:6; }; /* inputs */ -extern int gpio_event_input_func(struct input_dev *input_dev, +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 { /* initialize to gpio_event_input_func */ @@ -108,11 +121,12 @@ struct gpio_event_input_info { }; /* outputs */ -extern int gpio_event_output_func(struct input_dev *input_dev, +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 input_dev *input_dev, +extern int gpio_event_output_event(struct gpio_event_input_devs *input_devs, struct gpio_event_info *info, void **data, - unsigned int type, unsigned int code, int value); + unsigned int dev, 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; @@ -131,12 +145,13 @@ enum gpio_event_axis_flags { GPIOEAF_PRINT_EVENT = 1U << 18, }; -extern int gpio_event_axis_func(struct input_dev *input_dev, +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 { /* initialize to gpio_event_axis_func */ struct gpio_event_info info; - uint8_t count; + uint8_t count; /* number of gpios for this axis */ + uint8_t dev; /* device index when using multiple input devices */ uint8_t type; /* EV_REL or EV_ABS */ uint16_t code; uint16_t decoded_size; |