cm4000_cs.h

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#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_ */