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#pragma once
#include <stdbool.h>
#include <stdint.h>
enum {
DCCID,
DUSB,
};
#define NR_SLOTS 8
#define LOGPCI(ci, lvl, fmt, args ...) LOGP(DCCID, lvl, "%s: " fmt, (ci)->name, ## args)
#define LOGPCS(cs, lvl, fmt, args ...) \
LOGP(DCCID, lvl, "%s(%u): " fmt, (cs)->ci->name, (cs)->slot_nr, ## args)
struct msgb;
struct ccid_pars_decoded {
/* global for T0/T1 */
uint8_t fi;
uint8_t di;
enum ccid_clock_stop clock_stop;
bool inverse_convention;
struct {
uint8_t guard_time_etu;
uint8_t waiting_integer;
} t0;
struct {
enum ccid_t1_csum_type csum_type;
uint8_t guard_time_t1;
uint8_t bwi;
uint8_t cwi;
uint8_t ifsc;
uint8_t nad;
} t1;
};
struct ccid_slot {
/* back-pointer to the ccid_instance */
struct ccid_instance *ci;
/* number of this slot (0 = first) */
uint8_t slot_nr;
/* is there an ICC physically present (card detect)? */
bool icc_present;
/* was there an ICC present during the last NotifSlotStatus?
* should be set to zero every USB resume and setConfig != 0 */
bool icc_present_last;
/* is the ICC physically powered? */
bool icc_powered;
/* is the ICC currently in reset? */
bool icc_in_reset;
/* is this slot currently busy with processing a CCID command? */
bool cmd_busy;
/* decided CCID parameters */
struct ccid_pars_decoded pars;
};
/* CCID operations */
struct ccid_ops {
int (*send_in)(struct ccid_instance *ci, struct msgb *msg);
int (*send_int)(struct ccid_instance *ci, struct msgb *msg);
};
/* An instance of CCID (i.e. a card reader device) */
struct ccid_instance {
/* slots within the reader */
struct ccid_slot slot[NR_SLOTS];
/* set of function pointers implementing specific operations */
const struct ccid_ops *ops;
const char *name;
/* user-supplied opaque data */
void *priv;
};
void ccid_instance_init(struct ccid_instance *ci, const struct ccid_ops *ops, const char *name,
void *priv);
int ccid_handle_out(struct ccid_instance *ci, struct msgb *msg);
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