Committer: Michael Beasley <mike@snafu.setup>
[mikesnafu-overlay.git] / include / linux / cm4000_cs.h
blob605ebe24bb2e273ec2ba5f9f11295ef139a9a0f9
1 #ifndef _CM4000_H_
2 #define _CM4000_H_
4 #define MAX_ATR 33
6 #define CM4000_MAX_DEV 4
8 /* those two structures are passed via ioctl() from/to userspace. They are
9 * used by existing userspace programs, so I kepth the awkward "bIFSD" naming
10 * not to break compilation of userspace apps. -HW */
12 typedef struct atreq {
13 int32_t atr_len;
14 unsigned char atr[64];
15 int32_t power_act;
16 unsigned char bIFSD;
17 unsigned char bIFSC;
18 } atreq_t;
21 /* what is particularly stupid in the original driver is the arch-dependant
22 * member sizes. This leads to CONFIG_COMPAT breakage, since 32bit userspace
23 * will lay out the structure members differently than the 64bit kernel.
25 * I've changed "ptsreq.protocol" from "unsigned long" to "u_int32_t".
26 * On 32bit this will make no difference. With 64bit kernels, it will make
27 * 32bit apps work, too.
30 typedef struct ptsreq {
31 u_int32_t protocol; /*T=0: 2^0, T=1: 2^1*/
32 unsigned char flags;
33 unsigned char pts1;
34 unsigned char pts2;
35 unsigned char pts3;
36 } ptsreq_t;
38 #define CM_IOC_MAGIC 'c'
39 #define CM_IOC_MAXNR 255
41 #define CM_IOCGSTATUS _IOR (CM_IOC_MAGIC, 0, unsigned char *)
42 #define CM_IOCGATR _IOWR(CM_IOC_MAGIC, 1, atreq_t *)
43 #define CM_IOCSPTS _IOW (CM_IOC_MAGIC, 2, ptsreq_t *)
44 #define CM_IOCSRDR _IO (CM_IOC_MAGIC, 3)
45 #define CM_IOCARDOFF _IO (CM_IOC_MAGIC, 4)
47 #define CM_IOSDBGLVL _IOW(CM_IOC_MAGIC, 250, int*)
49 /* card and device states */
50 #define CM_CARD_INSERTED 0x01
51 #define CM_CARD_POWERED 0x02
52 #define CM_ATR_PRESENT 0x04
53 #define CM_ATR_VALID 0x08
54 #define CM_STATE_VALID 0x0f
55 /* extra info only from CM4000 */
56 #define CM_NO_READER 0x10
57 #define CM_BAD_CARD 0x20
60 #ifdef __KERNEL__
62 #define DEVICE_NAME "cmm"
63 #define MODULE_NAME "cm4000_cs"
65 #endif /* __KERNEL__ */
66 #endif /* _CM4000_H_ */