include/linux/cm4000_cs.h

   1 #ifndef _CM4000_H_
   2 #define _CM4000_H_
   3
   4 #include <linux/types.h>
   5
   6 #define MAX_ATR                 33
   7
   8 #define CM4000_MAX_DEV          4
   9
  10 /* those two structures are passed via ioctl() from/to userspace.  They are
  11  * used by existing userspace programs, so I kepth the awkward "bIFSD" naming
  12  * not to break compilation of userspace apps. -HW */
  13
  14 typedef struct atreq {
  15         __s32 atr_len;
  16         unsigned char atr[64];
  17         __s32 power_act;
  18         unsigned char bIFSD;
  19         unsigned char bIFSC;
  20 } atreq_t;
  21
  22
  23 /* what is particularly stupid in the original driver is the arch-dependant
  24  * member sizes. This leads to CONFIG_COMPAT breakage, since 32bit userspace
  25  * will lay out the structure members differently than the 64bit kernel.
  26  *
  27  * I've changed "ptsreq.protocol" from "unsigned long" to "__u32".
  28  * On 32bit this will make no difference.  With 64bit kernels, it will make
  29  * 32bit apps work, too.
  30  */
  31
  32 typedef struct ptsreq {
  33         __u32 protocol; /*T=0: 2^0, T=1:  2^1*/
  34         unsigned char flags;
  35         unsigned char pts1;
  36         unsigned char pts2;
  37         unsigned char pts3;
  38 } ptsreq_t;
  39
  40 #define CM_IOC_MAGIC            'c'
  41 #define CM_IOC_MAXNR            255
  42
  43 #define CM_IOCGSTATUS           _IOR (CM_IOC_MAGIC, 0, unsigned char *)
  44 #define CM_IOCGATR              _IOWR(CM_IOC_MAGIC, 1, atreq_t *)
  45 #define CM_IOCSPTS              _IOW (CM_IOC_MAGIC, 2, ptsreq_t *)
  46 #define CM_IOCSRDR              _IO  (CM_IOC_MAGIC, 3)
  47 #define CM_IOCARDOFF            _IO  (CM_IOC_MAGIC, 4)
  48
  49 #define CM_IOSDBGLVL            _IOW(CM_IOC_MAGIC, 250, int*)
  50
  51 /* card and device states */
  52 #define CM_CARD_INSERTED                0x01
  53 #define CM_CARD_POWERED                 0x02
  54 #define CM_ATR_PRESENT                  0x04
  55 #define CM_ATR_VALID                    0x08
  56 #define CM_STATE_VALID                  0x0f
  57 /* extra info only from CM4000 */
  58 #define CM_NO_READER                    0x10
  59 #define CM_BAD_CARD                     0x20
  60
  61
  62 #ifdef __KERNEL__
  63
  64 #define DEVICE_NAME             "cmm"
  65 #define MODULE_NAME             "cm4000_cs"
  66
  67 #endif  /* __KERNEL__ */
  68 #endif  /* _CM4000_H_ */