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David Howells607ca462012-10-13 10:46:48 +01001#ifndef _UAPI_CM4000_H_
2#define _UAPI_CM4000_H_
3
4#include <linux/types.h>
Mike Frysingeraaaafb72013-08-28 16:35:16 -07005#include <linux/ioctl.h>
David Howells607ca462012-10-13 10:46:48 +01006
7#define MAX_ATR 33
8
9#define CM4000_MAX_DEV 4
10
11/* those two structures are passed via ioctl() from/to userspace. They are
12 * used by existing userspace programs, so I kepth the awkward "bIFSD" naming
13 * not to break compilation of userspace apps. -HW */
14
15typedef struct atreq {
16 __s32 atr_len;
17 unsigned char atr[64];
18 __s32 power_act;
19 unsigned char bIFSD;
20 unsigned char bIFSC;
21} atreq_t;
22
23
24/* what is particularly stupid in the original driver is the arch-dependent
25 * member sizes. This leads to CONFIG_COMPAT breakage, since 32bit userspace
26 * will lay out the structure members differently than the 64bit kernel.
27 *
28 * I've changed "ptsreq.protocol" from "unsigned long" to "__u32".
29 * On 32bit this will make no difference. With 64bit kernels, it will make
30 * 32bit apps work, too.
31 */
32
33typedef struct ptsreq {
34 __u32 protocol; /*T=0: 2^0, T=1: 2^1*/
35 unsigned char flags;
36 unsigned char pts1;
37 unsigned char pts2;
38 unsigned char pts3;
39} ptsreq_t;
40
41#define CM_IOC_MAGIC 'c'
42#define CM_IOC_MAXNR 255
43
44#define CM_IOCGSTATUS _IOR (CM_IOC_MAGIC, 0, unsigned char *)
45#define CM_IOCGATR _IOWR(CM_IOC_MAGIC, 1, atreq_t *)
46#define CM_IOCSPTS _IOW (CM_IOC_MAGIC, 2, ptsreq_t *)
47#define CM_IOCSRDR _IO (CM_IOC_MAGIC, 3)
48#define CM_IOCARDOFF _IO (CM_IOC_MAGIC, 4)
49
50#define CM_IOSDBGLVL _IOW(CM_IOC_MAGIC, 250, int*)
51
52/* card and device states */
53#define CM_CARD_INSERTED 0x01
54#define CM_CARD_POWERED 0x02
55#define CM_ATR_PRESENT 0x04
56#define CM_ATR_VALID 0x08
57#define CM_STATE_VALID 0x0f
58/* extra info only from CM4000 */
59#define CM_NO_READER 0x10
60#define CM_BAD_CARD 0x20
61
62
63#endif /* _UAPI_CM4000_H_ */