onewirevar.h revision 1.3.4.2
1 1.3.4.2 simonb /* $NetBSD: onewirevar.h,v 1.3.4.2 2006/04/22 11:39:13 simonb Exp $ */ 2 1.3.4.2 simonb /* $OpenBSD: onewirevar.h,v 1.1 2006/03/04 16:27:03 grange Exp $ */ 3 1.3.4.2 simonb 4 1.3.4.2 simonb /* 5 1.3.4.2 simonb * Copyright (c) 2006 Alexander Yurchenko <grange (at) openbsd.org> 6 1.3.4.2 simonb * 7 1.3.4.2 simonb * Permission to use, copy, modify, and distribute this software for any 8 1.3.4.2 simonb * purpose with or without fee is hereby granted, provided that the above 9 1.3.4.2 simonb * copyright notice and this permission notice appear in all copies. 10 1.3.4.2 simonb * 11 1.3.4.2 simonb * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.3.4.2 simonb * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.3.4.2 simonb * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.3.4.2 simonb * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.3.4.2 simonb * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.3.4.2 simonb * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.3.4.2 simonb * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.3.4.2 simonb */ 19 1.3.4.2 simonb 20 1.3.4.2 simonb #ifndef _DEV_ONEWIRE_ONEWIREVAR_H_ 21 1.3.4.2 simonb #define _DEV_ONEWIRE_ONEWIREVAR_H_ 22 1.3.4.2 simonb 23 1.3.4.2 simonb /* 24 1.3.4.2 simonb * 1-Wire bus interface. 25 1.3.4.2 simonb */ 26 1.3.4.2 simonb 27 1.3.4.2 simonb /* Bus master interface */ 28 1.3.4.2 simonb struct onewire_bus { 29 1.3.4.2 simonb void * bus_cookie; 30 1.3.4.2 simonb 31 1.3.4.2 simonb int (*bus_reset)(void *); 32 1.3.4.2 simonb int (*bus_bit)(void *, int); 33 1.3.4.2 simonb int (*bus_read_byte)(void *); 34 1.3.4.2 simonb void (*bus_write_byte)(void *, int); 35 1.3.4.2 simonb int (*bus_triplet)(void *, int); 36 1.3.4.2 simonb }; 37 1.3.4.2 simonb 38 1.3.4.2 simonb /* Bus methods */ 39 1.3.4.2 simonb int onewire_lock(void *, int); 40 1.3.4.2 simonb void onewire_unlock(void *); 41 1.3.4.2 simonb int onewire_reset(void *); 42 1.3.4.2 simonb int onewire_bit(void *, int); 43 1.3.4.2 simonb int onewire_read_byte(void *); 44 1.3.4.2 simonb void onewire_write_byte(void *, int); 45 1.3.4.2 simonb int onewire_triplet(void *, int); 46 1.3.4.2 simonb void onewire_read_block(void *, void *, int); 47 1.3.4.2 simonb void onewire_write_block(void *, const void *, int); 48 1.3.4.2 simonb void onewire_matchrom(void *, u_int64_t); 49 1.3.4.2 simonb 50 1.3.4.2 simonb #define ONEWIRE_NOWAIT 0x0001 51 1.3.4.2 simonb 52 1.3.4.2 simonb /* Bus attachment */ 53 1.3.4.2 simonb struct onewirebus_attach_args { 54 1.3.4.2 simonb struct onewire_bus * oba_bus; 55 1.3.4.2 simonb }; 56 1.3.4.2 simonb 57 1.3.4.2 simonb int onewirebus_print(void *, const char *); 58 1.3.4.2 simonb 59 1.3.4.2 simonb /* Device attachment */ 60 1.3.4.2 simonb struct onewire_attach_args { 61 1.3.4.2 simonb void * oa_onewire; 62 1.3.4.2 simonb u_int64_t oa_rom; 63 1.3.4.2 simonb }; 64 1.3.4.2 simonb 65 1.3.4.2 simonb /* Family matching */ 66 1.3.4.2 simonb struct onewire_matchfam { 67 1.3.4.2 simonb int om_type; 68 1.3.4.2 simonb }; 69 1.3.4.2 simonb 70 1.3.4.2 simonb /* Miscellaneous routines */ 71 1.3.4.2 simonb int onewire_crc(const void *, int); 72 1.3.4.2 simonb const char * onewire_famname(int); 73 1.3.4.2 simonb int onewire_matchbyfam(struct onewire_attach_args *, 74 1.3.4.2 simonb const struct onewire_matchfam *, int); 75 1.3.4.2 simonb 76 1.3.4.2 simonb /* Bus bit-banging */ 77 1.3.4.2 simonb struct onewire_bbops { 78 1.3.4.2 simonb void (*bb_rx)(void *); 79 1.3.4.2 simonb void (*bb_tx)(void *); 80 1.3.4.2 simonb int (*bb_get)(void *); 81 1.3.4.2 simonb void (*bb_set)(void *, int); 82 1.3.4.2 simonb }; 83 1.3.4.2 simonb 84 1.3.4.2 simonb int onewire_bb_reset(const struct onewire_bbops *, void *); 85 1.3.4.2 simonb int onewire_bb_bit(const struct onewire_bbops *, void *, int); 86 1.3.4.2 simonb 87 1.3.4.2 simonb #endif /* !_DEV_ONEWIRE_ONEWIREVAR_H_ */ 88
Indexes created Sun Nov 02 07:10:05 GMT 2025