diff options
| author | Dave Penkler <dpenkler@gmail.com> | 2016-01-27 19:22:28 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-03 13:54:06 -0800 |
| commit | 29779d89fd049bfc6c07f19aaf9b8d19fe2ecc8c (patch) | |
| tree | d784934a3de29284ed67366805bcca6b039527b1 /include/uapi | |
| parent | eb6b92ecc0f9412623ab1584ddd8389b371638d4 (diff) | |
| download | op-kernel-dev-29779d89fd049bfc6c07f19aaf9b8d19fe2ecc8c.zip op-kernel-dev-29779d89fd049bfc6c07f19aaf9b8d19fe2ecc8c.tar.gz | |
Add ioctl to retrieve USBTMC-USB488 capabilities
This is a convenience function to obtain an instrument's
capabilities from its file descriptor without having to access sysfs
from the user program.
Signed-off-by: Dave Penkler <dpenkler@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/usb/tmc.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/include/uapi/linux/usb/tmc.h b/include/uapi/linux/usb/tmc.h index 7e5ced8..b512fb2 100644 --- a/include/uapi/linux/usb/tmc.h +++ b/include/uapi/linux/usb/tmc.h @@ -2,12 +2,14 @@ * 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> * * This file holds USB constants defined by the USB Device Class - * Definition for Test and Measurement devices published by the USB-IF. + * and USB488 Subclass Definitions for Test and Measurement devices + * published by the USB-IF. * - * It also has the ioctl definitions for the usbtmc kernel driver that - * userspace needs to know about. + * It also has the ioctl and capability definitions for the + * usbtmc kernel driver that userspace needs to know about. */ #ifndef __LINUX_USB_TMC_H @@ -40,6 +42,19 @@ #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 USBTMC488_IOCTL_GET_CAPS _IOR(USBTMC_IOC_NR, 17, unsigned char) #define USBTMC488_IOCTL_READ_STB _IOR(USBTMC_IOC_NR, 18, unsigned char) +/* 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 |
