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Filename :
cm4000_cs.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _CM4000_H_ #define _CM4000_H_ #include <linux/types.h> #include <linux/ioctl.h> #define MAX_ATR 33 #define CM4000_MAX_DEV 4 /* those two structures are passed via ioctl() from/to userspace. They are * used by existing userspace programs, so I kepth the awkward "bIFSD" naming * not to break compilation of userspace apps. -HW */ typedef struct atreq { __s32 atr_len; unsigned char atr[64]; __s32 power_act; unsigned char bIFSD; unsigned char bIFSC; } atreq_t; /* what is particularly stupid in the original driver is the arch-dependent * member sizes. This leads to CONFIG_COMPAT breakage, since 32bit userspace * will lay out the structure members differently than the 64bit kernel. * * I've changed "ptsreq.protocol" from "unsigned long" to "__u32". * On 32bit this will make no difference. With 64bit kernels, it will make * 32bit apps work, too. */ typedef struct ptsreq { __u32 protocol; /*T=0: 2^0, T=1: 2^1*/ unsigned char flags; unsigned char pts1; unsigned char pts2; unsigned char pts3; } ptsreq_t; #define CM_IOC_MAGIC 'c' #define CM_IOC_MAXNR 255 #define CM_IOCGSTATUS _IOR (CM_IOC_MAGIC, 0, unsigned char *) #define CM_IOCGATR _IOWR(CM_IOC_MAGIC, 1, atreq_t *) #define CM_IOCSPTS _IOW (CM_IOC_MAGIC, 2, ptsreq_t *) #define CM_IOCSRDR _IO (CM_IOC_MAGIC, 3) #define CM_IOCARDOFF _IO (CM_IOC_MAGIC, 4) #define CM_IOSDBGLVL _IOW(CM_IOC_MAGIC, 250, int*) /* card and device states */ #define CM_CARD_INSERTED 0x01 #define CM_CARD_POWERED 0x02 #define CM_ATR_PRESENT 0x04 #define CM_ATR_VALID 0x08 #define CM_STATE_VALID 0x0f /* extra info only from CM4000 */ #define CM_NO_READER 0x10 #define CM_BAD_CARD 0x20 #endif /* _CM4000_H_ */
