diff options
| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2011-11-12 08:40:52 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2011-11-12 08:40:52 +0000 |
| commit | 17c78d345c9c227479712f4e291473301e024689 (patch) | |
| tree | 147cb461c64862e6cad250f2d50040d0d9d14f77 /sys/dev/usb/usb_ioctl.h | |
| parent | 2648cd35d80c23ccf80a56664053bd09bc806b45 (diff) | |
| download | src-17c78d345c9c227479712f4e291473301e024689.tar.gz src-17c78d345c9c227479712f4e291473301e024689.zip | |
- This patch adds custom IOCTLs to read and write the 4 GPIO pins on the
cp2103 usb-to-serial chip.
- This patch also makes the line status polling asynchronous, to reduce
the time needed to change the GPIO pins.
Submitted by: JD Louw
MFC after: 1 week
Notes
Notes:
svn path=/head/; revision=227463
Diffstat (limited to 'sys/dev/usb/usb_ioctl.h')
| -rw-r--r-- | sys/dev/usb/usb_ioctl.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_ioctl.h b/sys/dev/usb/usb_ioctl.h index d35fa1038e5a..9af6ee5c7af7 100644 --- a/sys/dev/usb/usb_ioctl.h +++ b/sys/dev/usb/usb_ioctl.h @@ -289,6 +289,10 @@ struct usb_gen_quirk { #define USB_GET_CM_OVER_DATA _IOR ('U', 180, int) #define USB_SET_CM_OVER_DATA _IOW ('U', 181, int) +/* GPIO control */ +#define USB_GET_GPIO _IOR ('U', 182, int) +#define USB_SET_GPIO _IOW ('U', 183, int) + /* USB file system interface */ #define USB_FS_START _IOW ('U', 192, struct usb_fs_start) #define USB_FS_STOP _IOW ('U', 193, struct usb_fs_stop) |