root/include/linux/cm4000_cs.h

#ifndef _CM4000_H_
#define _CM4000_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 {
        int32_t atr_len;
        unsigned char atr[64];
        int32_t power_act;
        unsigned char bIFSD;
        unsigned char bIFSC;
} atreq_t;


/* what is particularly stupid in the original driver is the arch-dependant
 * 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 "u_int32_t".
 * On 32bit this will make no difference.  With 64bit kernels, it will make
 * 32bit apps work, too.
 */

typedef struct ptsreq {
        u_int32_t 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


#ifdef __KERNEL__

#define DEVICE_NAME             "cmm"
#define MODULE_NAME             "cm4000_cs"

#endif  /* __KERNEL__ */
#endif  /* _CM4000_H_ */