include/uapi/linux/cm4000_cs.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _UAPI_CM4000_H_
   3 #define _UAPI_CM4000_H_
   4
   5 #include <linux/types.h>
   6 #include <linux/ioctl.h>
   7
   8 #define MAX_ATR                 33
   9
  10 #define CM4000_MAX_DEV          4
  11
  12 /* those two structures are passed via ioctl() from/to userspace.  They are
  13  * used by existing userspace programs, so I kepth the awkward "bIFSD" naming
  14  * not to break compilation of userspace apps. -HW */
  15
  16 typedef struct atreq {
  17         __s32 atr_len;
  18         unsigned char atr[64];
  19         __s32 power_act;
  20         unsigned char bIFSD;
  21         unsigned char bIFSC;
  22 } atreq_t;
  23
  24
  25 /* what is particularly stupid in the original driver is the arch-dependent
  26  * member sizes. This leads to CONFIG_COMPAT breakage, since 32bit userspace
  27  * will lay out the structure members differently than the 64bit kernel.
  28  *
  29  * I've changed "ptsreq.protocol" from "unsigned long" to "__u32".
  30  * On 32bit this will make no difference.  With 64bit kernels, it will make
  31  * 32bit apps work, too.
  32  */
  33
  34 typedef struct ptsreq {
  35         __u32 protocol; /*T=0: 2^0, T=1:  2^1*/
  36         unsigned char flags;
  37         unsigned char pts1;
  38         unsigned char pts2;
  39         unsigned char pts3;
  40 } ptsreq_t;
  41
  42 #define CM_IOC_MAGIC            'c'
  43 #define CM_IOC_MAXNR            255
  44
  45 #define CM_IOCGSTATUS           _IOR (CM_IOC_MAGIC, 0, unsigned char *)
  46 #define CM_IOCGATR              _IOWR(CM_IOC_MAGIC, 1, atreq_t *)
  47 #define CM_IOCSPTS              _IOW (CM_IOC_MAGIC, 2, ptsreq_t *)
  48 #define CM_IOCSRDR              _IO  (CM_IOC_MAGIC, 3)
  49 #define CM_IOCARDOFF            _IO  (CM_IOC_MAGIC, 4)
  50
  51 #define CM_IOSDBGLVL            _IOW(CM_IOC_MAGIC, 250, int*)
  52
  53 /* card and device states */
  54 #define CM_CARD_INSERTED                0x01
  55 #define CM_CARD_POWERED                 0x02
  56 #define CM_ATR_PRESENT                  0x04
  57 #define CM_ATR_VALID                    0x08
  58 #define CM_STATE_VALID                  0x0f
  59 /* extra info only from CM4000 */
  60 #define CM_NO_READER                    0x10
  61 #define CM_BAD_CARD                     0x20
  62
  63
  64 #endif /* _UAPI_CM4000_H_ */