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#ifndef _CM4000_H_

#define _CM4000_H_

#include <linux/types.h>

#include <linux/ioctl.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 /* _CM4000_H_ */