1 files changed, 62 insertions, 0 deletions

diff --git a/include/uapi/linux/cm4000_cs.h b/include/uapi/linux/cm4000_cs.h
new file mode 100644
index 000000000000..bc51f77db918
--- /dev/null
+++ b/include/uapi/linux/cm4000_cs.h
@@ -0,0 +1,62 @@
+#ifndef _UAPI_CM4000_H_
+#define _UAPI_CM4000_H_
+
+#include <linux/types.h>
+
+#define MAX_ATR                 33
+
+#define CM4000_MAX_DEV          4
+
+/* those two structures are passed via ioctl() from/to userspace.  They are
+ * used by existing userspace programs, so I kepth the awkward "bIFSD" naming
+ * not to break compilation of userspace apps. -HW */
+
+typedef struct atreq {
+        __s32 atr_len;
+        unsigned char atr[64];
+        __s32 power_act;
+        unsigned char bIFSD;
+        unsigned char bIFSC;
+} atreq_t;
+
+
+/* what is particularly stupid in the original driver is the arch-dependent
+ * member sizes. This leads to CONFIG_COMPAT breakage, since 32bit userspace
+ * will lay out the structure members differently than the 64bit kernel.
+ *
+ * I've changed "ptsreq.protocol" from "unsigned long" to "__u32".
+ * On 32bit this will make no difference.  With 64bit kernels, it will make
+ * 32bit apps work, too.
+ */
+
+typedef struct ptsreq {
+        __u32 protocol; /*T=0: 2^0, T=1:  2^1*/
+        unsigned char flags;
+        unsigned char pts1;
+        unsigned char pts2;
+        unsigned char pts3;
+} ptsreq_t;
+
+#define CM_IOC_MAGIC            'c'
+#define CM_IOC_MAXNR            255
+
+#define CM_IOCGSTATUS           _IOR (CM_IOC_MAGIC, 0, unsigned char *)
+#define CM_IOCGATR              _IOWR(CM_IOC_MAGIC, 1, atreq_t *)
+#define CM_IOCSPTS              _IOW (CM_IOC_MAGIC, 2, ptsreq_t *)
+#define CM_IOCSRDR              _IO  (CM_IOC_MAGIC, 3)
+#define CM_IOCARDOFF            _IO  (CM_IOC_MAGIC, 4)
+
+#define CM_IOSDBGLVL            _IOW(CM_IOC_MAGIC, 250, int*)
+
+/* card and device states */
+#define CM_CARD_INSERTED                0x01
+#define CM_CARD_POWERED                 0x02
+#define CM_ATR_PRESENT                  0x04
+#define CM_ATR_VALID                    0x08
+#define CM_STATE_VALID                  0x0f
+/* extra info only from CM4000 */
+#define CM_NO_READER                    0x10
+#define CM_BAD_CARD                     0x20
+
+
+#endif /* _UAPI_CM4000_H_ */