1 /* 2 * This file is auto-generated. Modifications will be lost. 3 * 4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ 5 * for more information. 6 */ 7 #ifndef _UAPI_GPIO_H_ 8 #define _UAPI_GPIO_H_ 9 #include <linux/const.h> 10 #include <linux/ioctl.h> 11 #include <linux/types.h> 12 #define GPIO_MAX_NAME_SIZE 32 13 struct gpiochip_info { 14 char name[GPIO_MAX_NAME_SIZE]; 15 char label[GPIO_MAX_NAME_SIZE]; 16 __u32 lines; 17 }; 18 #define GPIO_V2_LINES_MAX 64 19 #define GPIO_V2_LINE_NUM_ATTRS_MAX 10 20 enum gpio_v2_line_flag { 21 GPIO_V2_LINE_FLAG_USED = _BITULL(0), 22 GPIO_V2_LINE_FLAG_ACTIVE_LOW = _BITULL(1), 23 GPIO_V2_LINE_FLAG_INPUT = _BITULL(2), 24 GPIO_V2_LINE_FLAG_OUTPUT = _BITULL(3), 25 GPIO_V2_LINE_FLAG_EDGE_RISING = _BITULL(4), 26 GPIO_V2_LINE_FLAG_EDGE_FALLING = _BITULL(5), 27 GPIO_V2_LINE_FLAG_OPEN_DRAIN = _BITULL(6), 28 GPIO_V2_LINE_FLAG_OPEN_SOURCE = _BITULL(7), 29 GPIO_V2_LINE_FLAG_BIAS_PULL_UP = _BITULL(8), 30 GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN = _BITULL(9), 31 GPIO_V2_LINE_FLAG_BIAS_DISABLED = _BITULL(10), 32 GPIO_V2_LINE_FLAG_EVENT_CLOCK_REALTIME = _BITULL(11), 33 GPIO_V2_LINE_FLAG_EVENT_CLOCK_HTE = _BITULL(12), 34 }; 35 struct gpio_v2_line_values { 36 __aligned_u64 bits; 37 __aligned_u64 mask; 38 }; 39 enum gpio_v2_line_attr_id { 40 GPIO_V2_LINE_ATTR_ID_FLAGS = 1, 41 GPIO_V2_LINE_ATTR_ID_OUTPUT_VALUES = 2, 42 GPIO_V2_LINE_ATTR_ID_DEBOUNCE = 3, 43 }; 44 struct gpio_v2_line_attribute { 45 __u32 id; 46 __u32 padding; 47 union { 48 __aligned_u64 flags; 49 __aligned_u64 values; 50 __u32 debounce_period_us; 51 }; 52 }; 53 struct gpio_v2_line_config_attribute { 54 struct gpio_v2_line_attribute attr; 55 __aligned_u64 mask; 56 }; 57 struct gpio_v2_line_config { 58 __aligned_u64 flags; 59 __u32 num_attrs; 60 __u32 padding[5]; 61 struct gpio_v2_line_config_attribute attrs[GPIO_V2_LINE_NUM_ATTRS_MAX]; 62 }; 63 struct gpio_v2_line_request { 64 __u32 offsets[GPIO_V2_LINES_MAX]; 65 char consumer[GPIO_MAX_NAME_SIZE]; 66 struct gpio_v2_line_config config; 67 __u32 num_lines; 68 __u32 event_buffer_size; 69 __u32 padding[5]; 70 __s32 fd; 71 }; 72 struct gpio_v2_line_info { 73 char name[GPIO_MAX_NAME_SIZE]; 74 char consumer[GPIO_MAX_NAME_SIZE]; 75 __u32 offset; 76 __u32 num_attrs; 77 __aligned_u64 flags; 78 struct gpio_v2_line_attribute attrs[GPIO_V2_LINE_NUM_ATTRS_MAX]; 79 __u32 padding[4]; 80 }; 81 enum gpio_v2_line_changed_type { 82 GPIO_V2_LINE_CHANGED_REQUESTED = 1, 83 GPIO_V2_LINE_CHANGED_RELEASED = 2, 84 GPIO_V2_LINE_CHANGED_CONFIG = 3, 85 }; 86 struct gpio_v2_line_info_changed { 87 struct gpio_v2_line_info info; 88 __aligned_u64 timestamp_ns; 89 __u32 event_type; 90 __u32 padding[5]; 91 }; 92 enum gpio_v2_line_event_id { 93 GPIO_V2_LINE_EVENT_RISING_EDGE = 1, 94 GPIO_V2_LINE_EVENT_FALLING_EDGE = 2, 95 }; 96 struct gpio_v2_line_event { 97 __aligned_u64 timestamp_ns; 98 __u32 id; 99 __u32 offset; 100 __u32 seqno; 101 __u32 line_seqno; 102 __u32 padding[6]; 103 }; 104 #define GPIOLINE_FLAG_KERNEL (1UL << 0) 105 #define GPIOLINE_FLAG_IS_OUT (1UL << 1) 106 #define GPIOLINE_FLAG_ACTIVE_LOW (1UL << 2) 107 #define GPIOLINE_FLAG_OPEN_DRAIN (1UL << 3) 108 #define GPIOLINE_FLAG_OPEN_SOURCE (1UL << 4) 109 #define GPIOLINE_FLAG_BIAS_PULL_UP (1UL << 5) 110 #define GPIOLINE_FLAG_BIAS_PULL_DOWN (1UL << 6) 111 #define GPIOLINE_FLAG_BIAS_DISABLE (1UL << 7) 112 struct gpioline_info { 113 __u32 line_offset; 114 __u32 flags; 115 char name[GPIO_MAX_NAME_SIZE]; 116 char consumer[GPIO_MAX_NAME_SIZE]; 117 }; 118 #define GPIOHANDLES_MAX 64 119 enum { 120 GPIOLINE_CHANGED_REQUESTED = 1, 121 GPIOLINE_CHANGED_RELEASED, 122 GPIOLINE_CHANGED_CONFIG, 123 }; 124 struct gpioline_info_changed { 125 struct gpioline_info info; 126 __u64 timestamp; 127 __u32 event_type; 128 __u32 padding[5]; 129 }; 130 #define GPIOHANDLE_REQUEST_INPUT (1UL << 0) 131 #define GPIOHANDLE_REQUEST_OUTPUT (1UL << 1) 132 #define GPIOHANDLE_REQUEST_ACTIVE_LOW (1UL << 2) 133 #define GPIOHANDLE_REQUEST_OPEN_DRAIN (1UL << 3) 134 #define GPIOHANDLE_REQUEST_OPEN_SOURCE (1UL << 4) 135 #define GPIOHANDLE_REQUEST_BIAS_PULL_UP (1UL << 5) 136 #define GPIOHANDLE_REQUEST_BIAS_PULL_DOWN (1UL << 6) 137 #define GPIOHANDLE_REQUEST_BIAS_DISABLE (1UL << 7) 138 struct gpiohandle_request { 139 __u32 lineoffsets[GPIOHANDLES_MAX]; 140 __u32 flags; 141 __u8 default_values[GPIOHANDLES_MAX]; 142 char consumer_label[GPIO_MAX_NAME_SIZE]; 143 __u32 lines; 144 int fd; 145 }; 146 struct gpiohandle_config { 147 __u32 flags; 148 __u8 default_values[GPIOHANDLES_MAX]; 149 __u32 padding[4]; 150 }; 151 struct gpiohandle_data { 152 __u8 values[GPIOHANDLES_MAX]; 153 }; 154 #define GPIOEVENT_REQUEST_RISING_EDGE (1UL << 0) 155 #define GPIOEVENT_REQUEST_FALLING_EDGE (1UL << 1) 156 #define GPIOEVENT_REQUEST_BOTH_EDGES ((1UL << 0) | (1UL << 1)) 157 struct gpioevent_request { 158 __u32 lineoffset; 159 __u32 handleflags; 160 __u32 eventflags; 161 char consumer_label[GPIO_MAX_NAME_SIZE]; 162 int fd; 163 }; 164 #define GPIOEVENT_EVENT_RISING_EDGE 0x01 165 #define GPIOEVENT_EVENT_FALLING_EDGE 0x02 166 struct gpioevent_data { 167 __u64 timestamp; 168 __u32 id; 169 }; 170 #define GPIO_GET_CHIPINFO_IOCTL _IOR(0xB4, 0x01, struct gpiochip_info) 171 #define GPIO_GET_LINEINFO_UNWATCH_IOCTL _IOWR(0xB4, 0x0C, __u32) 172 #define GPIO_V2_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x05, struct gpio_v2_line_info) 173 #define GPIO_V2_GET_LINEINFO_WATCH_IOCTL _IOWR(0xB4, 0x06, struct gpio_v2_line_info) 174 #define GPIO_V2_GET_LINE_IOCTL _IOWR(0xB4, 0x07, struct gpio_v2_line_request) 175 #define GPIO_V2_LINE_SET_CONFIG_IOCTL _IOWR(0xB4, 0x0D, struct gpio_v2_line_config) 176 #define GPIO_V2_LINE_GET_VALUES_IOCTL _IOWR(0xB4, 0x0E, struct gpio_v2_line_values) 177 #define GPIO_V2_LINE_SET_VALUES_IOCTL _IOWR(0xB4, 0x0F, struct gpio_v2_line_values) 178 #define GPIO_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x02, struct gpioline_info) 179 #define GPIO_GET_LINEHANDLE_IOCTL _IOWR(0xB4, 0x03, struct gpiohandle_request) 180 #define GPIO_GET_LINEEVENT_IOCTL _IOWR(0xB4, 0x04, struct gpioevent_request) 181 #define GPIOHANDLE_GET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x08, struct gpiohandle_data) 182 #define GPIOHANDLE_SET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x09, struct gpiohandle_data) 183 #define GPIOHANDLE_SET_CONFIG_IOCTL _IOWR(0xB4, 0x0A, struct gpiohandle_config) 184 #define GPIO_GET_LINEINFO_WATCH_IOCTL _IOWR(0xB4, 0x0B, struct gpioline_info) 185 #endif 186