123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/* $OpenBSD: if_rtwn.c,v 1.6 2015/08/28 00:03:53 deraadt Exp $ */
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/*-
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* Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
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* Copyright (c) 2015 Stefan Sperling <stsp@openbsd.org>
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* Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/queue.h>
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#include <sys/taskqueue.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/if.h>
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#include <net/ethernet.h>
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#include <net/if_media.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <dev/rtwn/if_rtwnvar.h>
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#include <dev/rtwn/pci/rtwn_pci_var.h>
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#include <dev/rtwn/pci/rtwn_pci_reg.h>
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int
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rtwn_pci_write_1(struct rtwn_softc *sc, uint16_t addr, uint8_t val)
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{
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struct rtwn_pci_softc *pc = RTWN_PCI_SOFTC(sc);
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bus_space_write_1(pc->pc_st, pc->pc_sh, addr, val);
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return (0);
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}
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int
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rtwn_pci_write_2(struct rtwn_softc *sc, uint16_t addr, uint16_t val)
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{
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struct rtwn_pci_softc *pc = RTWN_PCI_SOFTC(sc);
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val = htole16(val);
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bus_space_write_2(pc->pc_st, pc->pc_sh, addr, val);
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return (0);
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}
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int
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rtwn_pci_write_4(struct rtwn_softc *sc, uint16_t addr, uint32_t val)
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{
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struct rtwn_pci_softc *pc = RTWN_PCI_SOFTC(sc);
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val = htole32(val);
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bus_space_write_4(pc->pc_st, pc->pc_sh, addr, val);
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return (0);
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}
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uint8_t
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rtwn_pci_read_1(struct rtwn_softc *sc, uint16_t addr)
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{
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struct rtwn_pci_softc *pc = RTWN_PCI_SOFTC(sc);
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return (bus_space_read_1(pc->pc_st, pc->pc_sh, addr));
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}
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uint16_t
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rtwn_pci_read_2(struct rtwn_softc *sc, uint16_t addr)
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{
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struct rtwn_pci_softc *pc = RTWN_PCI_SOFTC(sc);
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uint16_t val;
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val = bus_space_read_2(pc->pc_st, pc->pc_sh, addr);
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return le16toh(val);
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}
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uint32_t
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rtwn_pci_read_4(struct rtwn_softc *sc, uint16_t addr)
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{
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struct rtwn_pci_softc *pc = RTWN_PCI_SOFTC(sc);
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uint32_t val;
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val = bus_space_read_4(pc->pc_st, pc->pc_sh, addr);
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return le32toh(val);
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}
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void
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rtwn_pci_delay(struct rtwn_softc *sc, int usec)
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{
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if (usec < 1000)
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DELAY(usec);
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else {
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(void) mtx_sleep(sc, &sc->sc_mtx, 0, "rtwn_pci",
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msecs_to_ticks(usec / 1000));
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}
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}
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