| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | #ifndef _UAPI_CM4000_H_ |
| 2 | #define _UAPI_CM4000_H_ |
| 3 | |
| 4 | #include <linux/types.h> |
| 5 | #include <linux/ioctl.h> |
| 6 | |
| 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 | |
| 15 | typedef 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 | |
| 33 | typedef 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_ */ |