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_ */