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