Harald Welte | 8d186ad | 2019-05-15 19:40:29 +0200 | [diff] [blame] | 1 | #pragma once |
| 2 | #include <stdbool.h> |
| 3 | #include <stdint.h> |
| 4 | |
| 5 | |
| 6 | #define NR_SLOTS 8 |
| 7 | |
| 8 | #define LOGPCI(ci, lvl, fmt, args ...) LOGP(DCCID, lvl, "%s: " fmt, (ci)->name, ## args) |
| 9 | #define LOGPCS(cs, lvl, fmt, args ...) \ |
| 10 | LOGP(DCCID, lvl, "%s(%u): " fmt, (cc)->ci->name, (cc)->slot_nr, ## args) |
| 11 | |
| 12 | struct msgb; |
| 13 | |
| 14 | struct ccid_pars_decoded { |
| 15 | /* global for T0/T1 */ |
| 16 | uint8_t fi; |
| 17 | uint8_t di; |
| 18 | enum ccid_clock_stop clock_stop; |
| 19 | bool inverse_convention; |
| 20 | |
| 21 | struct { |
| 22 | uint8_t guard_time_etu; |
| 23 | uint8_t waiting_integer; |
| 24 | } t0; |
| 25 | |
| 26 | struct { |
| 27 | enum ccid_t1_csum_type csum_type; |
| 28 | uint8_t guard_time_t1; |
| 29 | uint8_t bwi; |
| 30 | uint8_t cwi; |
| 31 | uint8_t ifsc; |
| 32 | uint8_t nad; |
| 33 | } t1; |
| 34 | }; |
| 35 | |
| 36 | struct ccid_slot { |
| 37 | /* back-pointer to the ccid_instance */ |
| 38 | struct ccid_instance *ci; |
| 39 | /* number of this slot (0 = first) */ |
| 40 | uint8_t slot_nr; |
| 41 | /* is there an ICC physically present (card detect)? */ |
| 42 | bool icc_present; |
| 43 | /* was there an ICC present during the last NotifSlotStatus? |
| 44 | * should be set to zero every USB resume and setConfig != 0 */ |
| 45 | bool icc_present_last; |
| 46 | /* is the ICC physically powered? */ |
| 47 | bool icc_powered; |
| 48 | /* is the ICC currently in reset? */ |
| 49 | bool icc_in_reset; |
| 50 | /* is this slot currently busy with processing a CCID command? */ |
| 51 | bool cmd_busy; |
| 52 | /* decided CCID parameters */ |
| 53 | struct ccid_pars_decoded pars; |
| 54 | }; |
| 55 | |
| 56 | /* CCID operations */ |
| 57 | struct ccid_ops { |
| 58 | int (*send_in)(struct ccid_instance *ci, struct msgb *msg); |
| 59 | }; |
| 60 | |
| 61 | /* An instance of CCID (i.e. a card reader device) */ |
| 62 | struct ccid_instance { |
| 63 | /* slots within the reader */ |
| 64 | struct ccid_slot slot[NR_SLOTS]; |
| 65 | /* set of function pointers implementing specific operations */ |
Harald Welte | bcbc197 | 2019-05-15 21:57:32 +0200 | [diff] [blame^] | 66 | const struct ccid_ops *ops; |
Harald Welte | 8d186ad | 2019-05-15 19:40:29 +0200 | [diff] [blame] | 67 | const char *name; |
Harald Welte | bcbc197 | 2019-05-15 21:57:32 +0200 | [diff] [blame^] | 68 | /* user-supplied opaque data */ |
| 69 | void *priv; |
Harald Welte | 8d186ad | 2019-05-15 19:40:29 +0200 | [diff] [blame] | 70 | }; |
| 71 | |
Harald Welte | bcbc197 | 2019-05-15 21:57:32 +0200 | [diff] [blame^] | 72 | void ccid_instance_init(struct ccid_instance *ci, const struct ccid_ops *ops, const char *name, |
| 73 | void *priv); |
Harald Welte | 8d186ad | 2019-05-15 19:40:29 +0200 | [diff] [blame] | 74 | int ccid_handle_out(struct ccid_instance *ci, struct msgb *msg); |