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tmc.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Copyright (C) 2007 Stefan Kopp, Gechingen, Germany * Copyright (C) 2008 Novell, Inc. * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de> * Copyright (C) 2015 Dave Penkler <dpenkler@gmail.com> * Copyright (C) 2018 IVI Foundation, Inc. * * This file holds USB constants defined by the USB Device Class * and USB488 Subclass Definitions for Test and Measurement devices * published by the USB-IF. * * It also has the ioctl and capability definitions for the * usbtmc kernel driver that userspace needs to know about. */ #ifndef __LINUX_USB_TMC_H #define __LINUX_USB_TMC_H #include <linux/types.h> /* __u8 etc */ /* USB TMC status values */ #define USBTMC_STATUS_SUCCESS 0x01 #define USBTMC_STATUS_PENDING 0x02 #define USBTMC_STATUS_FAILED 0x80 #define USBTMC_STATUS_TRANSFER_NOT_IN_PROGRESS 0x81 #define USBTMC_STATUS_SPLIT_NOT_IN_PROGRESS 0x82 #define USBTMC_STATUS_SPLIT_IN_PROGRESS 0x83 /* USB TMC requests values */ #define USBTMC_REQUEST_INITIATE_ABORT_BULK_OUT 1 #define USBTMC_REQUEST_CHECK_ABORT_BULK_OUT_STATUS 2 #define USBTMC_REQUEST_INITIATE_ABORT_BULK_IN 3 #define USBTMC_REQUEST_CHECK_ABORT_BULK_IN_STATUS 4 #define USBTMC_REQUEST_INITIATE_CLEAR 5 #define USBTMC_REQUEST_CHECK_CLEAR_STATUS 6 #define USBTMC_REQUEST_GET_CAPABILITIES 7 #define USBTMC_REQUEST_INDICATOR_PULSE 64 #define USBTMC488_REQUEST_READ_STATUS_BYTE 128 #define USBTMC488_REQUEST_REN_CONTROL 160 #define USBTMC488_REQUEST_GOTO_LOCAL 161 #define USBTMC488_REQUEST_LOCAL_LOCKOUT 162 struct usbtmc_request { __u8 bRequestType; __u8 bRequest; __u16 wValue; __u16 wIndex; __u16 wLength; } __attribute__ ((packed)); struct usbtmc_ctrlrequest { struct usbtmc_request req; void *data; /* pointer to user space */ } __attribute__ ((packed)); struct usbtmc_termchar { __u8 term_char; __u8 term_char_enabled; } __attribute__ ((packed)); /* * usbtmc_message->flags: */ #define USBTMC_FLAG_ASYNC 0x0001 #define USBTMC_FLAG_APPEND 0x0002 #define USBTMC_FLAG_IGNORE_TRAILER 0x0004 struct usbtmc_message { __u32 transfer_size; /* size of bytes to transfer */ __u32 transferred; /* size of received/written bytes */ __u32 flags; /* bit 0: 0 = synchronous; 1 = asynchronous */ void *message; /* pointer to header and data in user space */ } __attribute__ ((packed)); /* Request values for USBTMC driver's ioctl entry point */ #define USBTMC_IOC_NR 91 #define USBTMC_IOCTL_INDICATOR_PULSE _IO(USBTMC_IOC_NR, 1) #define USBTMC_IOCTL_CLEAR _IO(USBTMC_IOC_NR, 2) #define USBTMC_IOCTL_ABORT_BULK_OUT _IO(USBTMC_IOC_NR, 3) #define USBTMC_IOCTL_ABORT_BULK_IN _IO(USBTMC_IOC_NR, 4) #define USBTMC_IOCTL_CLEAR_OUT_HALT _IO(USBTMC_IOC_NR, 6) #define USBTMC_IOCTL_CLEAR_IN_HALT _IO(USBTMC_IOC_NR, 7) #define USBTMC_IOCTL_CTRL_REQUEST _IOWR(USBTMC_IOC_NR, 8, struct usbtmc_ctrlrequest) #define USBTMC_IOCTL_GET_TIMEOUT _IOR(USBTMC_IOC_NR, 9, __u32) #define USBTMC_IOCTL_SET_TIMEOUT _IOW(USBTMC_IOC_NR, 10, __u32) #define USBTMC_IOCTL_EOM_ENABLE _IOW(USBTMC_IOC_NR, 11, __u8) #define USBTMC_IOCTL_CONFIG_TERMCHAR _IOW(USBTMC_IOC_NR, 12, struct usbtmc_termchar) #define USBTMC_IOCTL_WRITE _IOWR(USBTMC_IOC_NR, 13, struct usbtmc_message) #define USBTMC_IOCTL_READ _IOWR(USBTMC_IOC_NR, 14, struct usbtmc_message) #define USBTMC_IOCTL_WRITE_RESULT _IOWR(USBTMC_IOC_NR, 15, __u32) #define USBTMC_IOCTL_API_VERSION _IOR(USBTMC_IOC_NR, 16, __u32) #define USBTMC488_IOCTL_GET_CAPS _IOR(USBTMC_IOC_NR, 17, unsigned char) #define USBTMC488_IOCTL_READ_STB _IOR(USBTMC_IOC_NR, 18, unsigned char) #define USBTMC488_IOCTL_REN_CONTROL _IOW(USBTMC_IOC_NR, 19, unsigned char) #define USBTMC488_IOCTL_GOTO_LOCAL _IO(USBTMC_IOC_NR, 20) #define USBTMC488_IOCTL_LOCAL_LOCKOUT _IO(USBTMC_IOC_NR, 21) #define USBTMC488_IOCTL_TRIGGER _IO(USBTMC_IOC_NR, 22) #define USBTMC488_IOCTL_WAIT_SRQ _IOW(USBTMC_IOC_NR, 23, __u32) #define USBTMC_IOCTL_MSG_IN_ATTR _IOR(USBTMC_IOC_NR, 24, __u8) #define USBTMC_IOCTL_AUTO_ABORT _IOW(USBTMC_IOC_NR, 25, __u8) #define USBTMC_IOCTL_GET_STB _IOR(USBTMC_IOC_NR, 26, __u8) #define USBTMC_IOCTL_GET_SRQ_STB _IOR(USBTMC_IOC_NR, 27, __u8) /* Cancel and cleanup asynchronous calls */ #define USBTMC_IOCTL_CANCEL_IO _IO(USBTMC_IOC_NR, 35) #define USBTMC_IOCTL_CLEANUP_IO _IO(USBTMC_IOC_NR, 36) /* Driver encoded usb488 capabilities */ #define USBTMC488_CAPABILITY_TRIGGER 1 #define USBTMC488_CAPABILITY_SIMPLE 2 #define USBTMC488_CAPABILITY_REN_CONTROL 2 #define USBTMC488_CAPABILITY_GOTO_LOCAL 2 #define USBTMC488_CAPABILITY_LOCAL_LOCKOUT 2 #define USBTMC488_CAPABILITY_488_DOT_2 4 #define USBTMC488_CAPABILITY_DT1 16 #define USBTMC488_CAPABILITY_RL1 32 #define USBTMC488_CAPABILITY_SR1 64 #define USBTMC488_CAPABILITY_FULL_SCPI 128 #endif