1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_SURFACE_AGGREGATOR_DTX_H 20 #define _UAPI_LINUX_SURFACE_AGGREGATOR_DTX_H 21 #include <linux/ioctl.h> 22 #include <linux/types.h> 23 #define SDTX_CATEGORY_STATUS 0x0000 24 #define SDTX_CATEGORY_RUNTIME_ERROR 0x1000 25 #define SDTX_CATEGORY_HARDWARE_ERROR 0x2000 26 #define SDTX_CATEGORY_UNKNOWN 0xf000 27 #define SDTX_CATEGORY_MASK 0xf000 28 #define SDTX_CATEGORY(value) ((value) & SDTX_CATEGORY_MASK) 29 #define SDTX_STATUS(code) ((code) | SDTX_CATEGORY_STATUS) 30 #define SDTX_ERR_RT(code) ((code) | SDTX_CATEGORY_RUNTIME_ERROR) 31 #define SDTX_ERR_HW(code) ((code) | SDTX_CATEGORY_HARDWARE_ERROR) 32 #define SDTX_UNKNOWN(code) ((code) | SDTX_CATEGORY_UNKNOWN) 33 #define SDTX_SUCCESS(value) (SDTX_CATEGORY(value) == SDTX_CATEGORY_STATUS) 34 #define SDTX_LATCH_CLOSED SDTX_STATUS(0x00) 35 #define SDTX_LATCH_OPENED SDTX_STATUS(0x01) 36 #define SDTX_BASE_DETACHED SDTX_STATUS(0x00) 37 #define SDTX_BASE_ATTACHED SDTX_STATUS(0x01) 38 #define SDTX_DETACH_NOT_FEASIBLE SDTX_ERR_RT(0x01) 39 #define SDTX_DETACH_TIMEDOUT SDTX_ERR_RT(0x02) 40 #define SDTX_ERR_FAILED_TO_OPEN SDTX_ERR_HW(0x01) 41 #define SDTX_ERR_FAILED_TO_REMAIN_OPEN SDTX_ERR_HW(0x02) 42 #define SDTX_ERR_FAILED_TO_CLOSE SDTX_ERR_HW(0x03) 43 #define SDTX_DEVICE_TYPE_HID 0x0100 44 #define SDTX_DEVICE_TYPE_SSH 0x0200 45 #define SDTX_DEVICE_TYPE_MASK 0x0f00 46 #define SDTX_DEVICE_TYPE(value) ((value) & SDTX_DEVICE_TYPE_MASK) 47 #define SDTX_BASE_TYPE_HID(id) ((id) | SDTX_DEVICE_TYPE_HID) 48 #define SDTX_BASE_TYPE_SSH(id) ((id) | SDTX_DEVICE_TYPE_SSH) 49 enum sdtx_device_mode { 50 SDTX_DEVICE_MODE_TABLET = 0x00, 51 SDTX_DEVICE_MODE_LAPTOP = 0x01, 52 SDTX_DEVICE_MODE_STUDIO = 0x02, 53 }; 54 struct sdtx_event { 55 __u16 length; 56 __u16 code; 57 __u8 data[]; 58 } __attribute__((__packed__)); 59 enum sdtx_event_code { 60 SDTX_EVENT_REQUEST = 1, 61 SDTX_EVENT_CANCEL = 2, 62 SDTX_EVENT_BASE_CONNECTION = 3, 63 SDTX_EVENT_LATCH_STATUS = 4, 64 SDTX_EVENT_DEVICE_MODE = 5, 65 }; 66 struct sdtx_base_info { 67 __u16 state; 68 __u16 base_id; 69 } __attribute__((__packed__)); 70 #define SDTX_IOCTL_EVENTS_ENABLE _IO(0xa5, 0x21) 71 #define SDTX_IOCTL_EVENTS_DISABLE _IO(0xa5, 0x22) 72 #define SDTX_IOCTL_LATCH_LOCK _IO(0xa5, 0x23) 73 #define SDTX_IOCTL_LATCH_UNLOCK _IO(0xa5, 0x24) 74 #define SDTX_IOCTL_LATCH_REQUEST _IO(0xa5, 0x25) 75 #define SDTX_IOCTL_LATCH_CONFIRM _IO(0xa5, 0x26) 76 #define SDTX_IOCTL_LATCH_HEARTBEAT _IO(0xa5, 0x27) 77 #define SDTX_IOCTL_LATCH_CANCEL _IO(0xa5, 0x28) 78 #define SDTX_IOCTL_GET_BASE_INFO _IOR(0xa5, 0x29, struct sdtx_base_info) 79 #define SDTX_IOCTL_GET_DEVICE_MODE _IOR(0xa5, 0x2a, __u16) 80 #define SDTX_IOCTL_GET_LATCH_STATUS _IOR(0xa5, 0x2b, __u16) 81 #endif 82