FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/pci/rtwn_pci_reg.c

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

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