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_ */ 65
