USB: add driver for iowarrior devices.

The ioctl is commented out for now, until we verify some userspace
application issues.

Cc: Christian Lucht <lucht@codemercs.com>
Cc: Robert Marquardt <marquardt@codemercs.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 33 insertions, 0 deletions

diff --git a/include/linux/usb/iowarrior.h b/include/linux/usb/iowarrior.h
new file mode 100644
index 00000000000..cbbe020a4f5
--- /dev/null
+++ b/include/linux/usb/iowarrior.h
@@ -0,0 +1,33 @@
+#ifndef _IOWARRIOR_H_
+#define _IOWARRIOR_H_
+
+#define CODEMERCS_MAGIC_NUMBER	0xC0	/* like COde Mercenaries */
+
+/* Define the ioctl commands for reading and writing data */
+#define IOW_WRITE	_IOW(CODEMERCS_MAGIC_NUMBER, 1, __u8 *)
+#define IOW_READ	_IOW(CODEMERCS_MAGIC_NUMBER, 2, __u8 *)
+
+/*
+   A struct for available device info which is read
+   with the ioctl IOW_GETINFO.
+   To be compatible with 2.4 userspace which didn't have an easy way to get
+   this information.
+*/
+struct iowarrior_info {
+	__u32 vendor;		/* vendor id : supposed to be USB_VENDOR_ID_CODEMERCS in all cases */
+	__u32 product;		/* product id : depends on type of chip (USB_DEVICE_ID_CODEMERCS_XXXXX) */
+	__u8 serial[9];		/* the serial number of our chip (if a serial-number is not available this is empty string) */
+	__u32 revision;		/* revision number of the chip */
+	__u32 speed;		/* USB-speed of the device (0=UNKNOWN, 1=LOW, 2=FULL 3=HIGH) */
+	__u32 power;		/* power consumption of the device in mA */
+	__u32 if_num;		/* the number of the endpoint */
+	__u32 report_size;	/* size of the data-packets on this interface */
+};
+
+/*
+  Get some device-information (product-id , serial-number etc.)
+  in order to identify a chip.
+*/
+#define IOW_GETINFO _IOR(CODEMERCS_MAGIC_NUMBER, 3, struct iowarrior_info)
+
+#endif  /* _IOWARRIOR_H_ */