/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** *** To edit the content of this header, modify the corresponding *** source file (e.g. under external/kernel-headers/original/) then *** run bionic/libc/kernel/tools/update_all.py *** *** Any manual change here will be lost the next time this script will *** be run. You've been warned! *** **************************************************************************** ****************************************************************************/ #ifndef _TOUCH_OFFLOAD_H #define _TOUCH_OFFLOAD_H #define TOUCH_OFFLOAD_MAGIC '7' #define BUS_TYPE_I2C 0 #define BUS_TYPE_SPI 1 #define BUS_TYPE_I3C 2 #define HEATMAP_SIZE_PARTIAL 0 #define HEATMAP_SIZE_FULL 1 #define TOUCH_DATA_TYPE_COORD 0x01 #define TOUCH_DATA_TYPE_RAW 0x02 #define TOUCH_DATA_TYPE_FILTERED 0x04 #define TOUCH_DATA_TYPE_BASELINE 0x08 #define TOUCH_DATA_TYPE_STRENGTH 0x10 #define TOUCH_SCAN_TYPE_MUTUAL 0x40 #define TOUCH_SCAN_TYPE_SELF 0x80 struct TouchOffloadCaps { __u32 touch_offload_major_version; __u32 touch_offload_minor_version; __u8 reserved1[8]; __u32 device_id; __u16 display_width; __u16 display_height; __u16 tx_size; __u16 rx_size; __u8 bus_type; __u32 bus_speed_hz; __u8 reserved2[16]; __u8 heatmap_size; __u16 touch_data_types; __u16 touch_scan_types; __u8 reserved3[16]; __u8 continuous_reporting; __u8 noise_reporting; __u8 cancel_reporting; __u8 size_reporting; __u8 filter_grip; __u8 filter_palm; __u8 num_sensitivity_settings; __u8 reserved4[32]; }; struct TouchOffloadConfig { __u8 continuous_reporting; __u8 noise_reporting; __u8 cancel_reporting; __u8 filter_grip; __u8 filter_palm; __u8 sensitivity_setting; __u8 reserved1[16]; __u8 read_coords; __u16 mutual_data_types; __u16 self_data_types; __u8 reserved2[16]; }; struct TouchOffloadFrameHeader { __u32 frame_size; __u64 index; __u64 timestamp; __u8 num_channels; } __attribute__((packed)); struct TouchOffloadChannelHeader { __u8 channel_type; __u32 channel_size; } __attribute__((packed)); enum CoordStatus { COORD_STATUS_INACTIVE = 0x00, COORD_STATUS_FINGER = 0x01, COORD_STATUS_EDGE = 0x02, COORD_STATUS_PALM = 0x03, COORD_STATUS_CANCEL = 0x04 }; #define MAX_COORDS 10 struct TouchOffloadCoord { __u16 x; __u16 y; enum CoordStatus status; __u32 major; __u32 minor; __u32 pressure; __u8 reserved1[16]; } __attribute__((packed)); struct TouchOffloadDataCoord { struct TouchOffloadChannelHeader header; struct TouchOffloadCoord coords[MAX_COORDS]; __u8 reserved1[16]; } __attribute__((packed)); #define TOUCH_OFFLOAD_FRAME_SIZE_COORD (sizeof(struct TouchOffloadDataCoord)) struct TouchOffloadData2d { struct TouchOffloadChannelHeader header; __u16 tx_size; __u16 rx_size; __u8 reserved1[16]; __u8 data[1]; } __attribute__((packed)); #define TOUCH_OFFLOAD_DATA_SIZE_2D(rx,tx) (sizeof(__u16) * (rx) * (tx)) #define TOUCH_OFFLOAD_FRAME_SIZE_2D(rx,tx) (sizeof(struct TouchOffloadData2d) - 1 + TOUCH_OFFLOAD_DATA_SIZE_2D((rx), (tx))) struct TouchOffloadData1d { struct TouchOffloadChannelHeader header; __u16 tx_size; __u16 rx_size; __u8 reserved1[16]; __u8 data[1]; } __attribute__((packed)); #define TOUCH_OFFLOAD_DATA_SIZE_1D(rx,tx) (sizeof(__u16) * ((rx) + (tx))) #define TOUCH_OFFLOAD_FRAME_SIZE_1D(rx,tx) (sizeof(struct TouchOffloadData1d) - 1 + TOUCH_OFFLOAD_DATA_SIZE_1D((rx), (tx))) struct TouchOffloadIocGetCaps { struct TouchOffloadCaps caps; __u8 reserved1[16]; }; struct TouchOffloadIocConfigure { struct TouchOffloadConfig config; __u8 reserved1[16]; }; struct TouchOffloadIocReport { __u64 index; __u64 timestamp; __u8 num_coords; __u8 reserved1[16]; struct TouchOffloadCoord coords[MAX_COORDS]; }; #define TOUCH_OFFLOAD_IOC_RD_GETCAPS _IOR(TOUCH_OFFLOAD_MAGIC, 0, struct TouchOffloadIocGetCaps) #define TOUCH_OFFLOAD_IOC_WR_CONFIGURE _IOW(TOUCH_OFFLOAD_MAGIC, 1, struct TouchOffloadIocConfigure) #define TOUCH_OFFLOAD_IOC_START _IOC(TOUCH_OFFLOAD_MAGIC, 2) #define TOUCH_OFFLOAD_IOC_WR_REPORT _IOW(TOUCH_OFFLOAD_MAGIC, 3, struct TouchOffloadIocReport) #define TOUCH_OFFLOAD_IOC_STOP _IOC(TOUCH_OFFLOAD_MAGIC, 4) #endif