diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/if_tht.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/sys/dev/pci/if_tht.c b/sys/dev/pci/if_tht.c index 65e44645b90..9fb53bf30c4 100644 --- a/sys/dev/pci/if_tht.c +++ b/sys/dev/pci/if_tht.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_tht.c,v 1.11 2007/04/16 14:35:07 dlg Exp $ */ +/* $OpenBSD: if_tht.c,v 1.12 2007/04/16 14:40:18 dlg Exp $ */ /* * Copyright (c) 2007 David Gwynne <dlg@openbsd.org> @@ -117,6 +117,10 @@ struct tht_attach_args { pci_intr_handle_t taa_ih; }; +/* bus space operations */ +u_int32_t tht_read(struct tht_softc *, bus_size_t); +void tht_write(struct tht_softc *, bus_size_t, u_int32_t); + /* misc */ #define DEVNAME(_sc) ((_sc)->sc_dev.dv_xname) #define sizeofa(_a) (sizeof(_a) / sizeof((_a)[0])) @@ -255,3 +259,19 @@ tht_intr(void *arg) { return (0); } + +u_int32_t +tht_read(struct tht_softc *sc, bus_size_t r) +{ + bus_space_barrier(sc->sc_thtc->sc_memt, sc->sc_memh, r, 4, + BUS_SPACE_BARRIER_READ); + return (bus_space_read_4(sc->sc_thtc->sc_memt, sc->sc_memh, r)); +} + +void +tht_write(struct tht_softc *sc, bus_size_t r, u_int32_t v) +{ + bus_space_write_4(sc->sc_thtc->sc_memt, sc->sc_memh, r, v); + bus_space_barrier(sc->sc_thtc->sc_memt, sc->sc_memh, r, 4, + BUS_SPACE_BARRIER_WRITE); +} |