Add ioctls to enable and disable local controls on an instrument

These ioctls provide support for the USBTMC-USB488 control requests
for REN_CONTROL, GO_TO_LOCAL and LOCAL_LOCKOUT

Signed-off-by: Dave Penkler <dpenkler@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/uapi/linux/usb/tmc.h b/include/uapi/linux/usb/tmc.h
index b512fb2d403e..2e59d9c50b8d 100644
--- a/include/uapi/linux/usb/tmc.h
+++ b/include/uapi/linux/usb/tmc.h
@@ -33,6 +33,9 @@
 #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
 
 /* Request values for USBTMC driver's ioctl entry point */
 #define USBTMC_IOC_NR                   91
@@ -44,6 +47,9 @@
 #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)
+#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)
 
 /* Driver encoded usb488 capabilities */
 #define USBTMC488_CAPABILITY_TRIGGER         1