diff options
| author | Alexander Yurchenko <grange@cvs.openbsd.org> | 2006-09-30 15:52:22 +0000 |
|---|---|---|
| committer | Alexander Yurchenko <grange@cvs.openbsd.org> | 2006-09-30 15:52:22 +0000 |
| commit | 2acf996510d3ade5b4264df641852177b08779bf (patch) | |
| tree | 3d6aa22484db1a8cf0f2564a92554f8a95c9ec67 | |
| parent | c65858d09299e3aeefb135384468c13bbc19e7e6 (diff) | |
Allow to offload the match rom command to hardware.
| -rw-r--r-- | sys/dev/onewire/onewire.c | 7 | ||||
| -rw-r--r-- | sys/dev/onewire/onewirevar.h | 4 |
2 files changed, 9 insertions, 2 deletions
diff --git a/sys/dev/onewire/onewire.c b/sys/dev/onewire/onewire.c index 4d2f21b8fc4..573322e7eb4 100644 --- a/sys/dev/onewire/onewire.c +++ b/sys/dev/onewire/onewire.c @@ -1,4 +1,4 @@ -/* $OpenBSD: onewire.c,v 1.4 2006/09/30 08:50:57 grange Exp $ */ +/* $OpenBSD: onewire.c,v 1.5 2006/09/30 15:52:21 grange Exp $ */ /* * Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org> @@ -299,8 +299,13 @@ onewire_triplet(void *arg, int dir) void onewire_matchrom(void *arg, u_int64_t rom) { + struct onewire_softc *sc = arg; + struct onewire_bus *bus = sc->sc_bus; int i; + if (bus->bus_matchrom != NULL) + return (bus->bus_matchrom(bus->bus_cookie, rom)); + onewire_write_byte(arg, ONEWIRE_CMD_MATCH_ROM); for (i = 0; i < 8; i++) onewire_write_byte(arg, (rom >> (i * 8)) & 0xff); diff --git a/sys/dev/onewire/onewirevar.h b/sys/dev/onewire/onewirevar.h index 9da8c335bff..ad75d929e4d 100644 --- a/sys/dev/onewire/onewirevar.h +++ b/sys/dev/onewire/onewirevar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: onewirevar.h,v 1.2 2006/09/29 19:38:52 grange Exp $ */ +/* $OpenBSD: onewirevar.h,v 1.3 2006/09/30 15:52:21 grange Exp $ */ /* * Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org> @@ -34,11 +34,13 @@ struct onewire_bus { void (*bus_read_block)(void *, void *, int); void (*bus_write_block)(void *, const void *, int); int (*bus_triplet)(void *, int); + void (*bus_matchrom)(void *, u_int64_t); }; /* Bus methods */ int onewire_lock(void *, int); void onewire_unlock(void *); + int onewire_reset(void *); int onewire_bit(void *, int); int onewire_read_byte(void *); |