Lines Matching +full:field +full:- +full:even +full:- +full:active

1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3  * <linux/gpio.h> - userspace ABI for the GPIO character devices
21  * Must be a multiple of 8 to ensure 32/64-bit alignment of structs.
26  * struct gpiochip_info - Information about a certain GPIO chip
41  * Must be no greater than 64, as bitmaps are restricted here to 64-bits
42  * for simplicity, and a multiple of 2 to ensure 32/64-bit alignment of
54  * enum gpio_v2_line_flag - &struct gpio_v2_line_attribute.flags values
56  * @GPIO_V2_LINE_FLAG_ACTIVE_LOW: line active state is physical low
59  * @GPIO_V2_LINE_FLAG_EDGE_RISING: line detects rising (inactive to active)
61  * @GPIO_V2_LINE_FLAG_EDGE_FALLING: line detects falling (active to
65  * @GPIO_V2_LINE_FLAG_BIAS_PULL_UP: line has pull-up bias enabled
66  * @GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN: line has pull-down bias enabled
84  * struct gpio_v2_line_values - Values of GPIO lines
85  * @bits: a bitmap containing the value of the lines, set to 1 for active
97  * enum gpio_v2_line_attr_id - &struct gpio_v2_line_attribute.id values
98  * identifying which field of the attribute union is in use.
99  * @GPIO_V2_LINE_ATTR_ID_FLAGS: flags field is in use
100  * @GPIO_V2_LINE_ATTR_ID_OUTPUT_VALUES: values field is in use
101  * @GPIO_V2_LINE_ATTR_ID_DEBOUNCE: debounce_period_us field is in use
110  * struct gpio_v2_line_attribute - a configurable attribute of a line
136  * struct gpio_v2_line_config_attribute - a configuration attribute
149  * struct gpio_v2_line_config - Configuration for GPIO lines
171  * struct gpio_v2_line_request - Information about a request for GPIO lines
175  * "my-bitbanged-relay"
184  * buffer. If this field is zero then the buffer size defaults to a minimum
187  * @fd: if successful this field will contain a valid anonymous file handle
203  * struct gpio_v2_line_info - Information about a certain GPIO line
231  * enum gpio_v2_line_changed_type - &struct gpio_v2_line_changed.event_type
244  * struct gpio_v2_line_info_changed - Information about a change in status
256 	/* Pad struct to 64-bit boundary and reserve space for future use. */
261  * enum gpio_v2_line_event_id - &struct gpio_v2_line_event.id values
271  * struct gpio_v2_line_event - The actual event being pushed to userspace
275  * the wall-clock time.
312  * struct gpioline_info - Information about a certain GPIO line
344  * struct gpioline_info_changed - Information about a change in status
352  * The &struct gpioline_info embedded here has 32-bit alignment on its own,
353  * but it works fine with 64-bit alignment too. With its 72 byte size, we can
355  * The 20-byte padding at the end makes sure we don't add any implicit padding
356  * at the end of the structure on 64-bit architectures.
379  * struct gpiohandle_request - Information about a GPIO handle request
384  * together. Note that even if multiple lines are requested, the same flags
388  * characteristics, i.e. all inputs or all outputs, all active low etc
393  * such as "my-bitbanged-relay"
396  * @fd: if successful this field will contain a valid anonymous file handle
413  * struct gpiohandle_config - Configuration for a GPIO handle request
432  * struct gpiohandle_data - Information of values on a GPIO handle
450  * struct gpioevent_request - Information about a GPIO event request
458  * such as "my-listener"
459  * @fd: if successful this field will contain a valid anonymous file handle
481  * struct gpioevent_data - The actual event being pushed to userspace