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Annotation of sys/arch/mac68k/dev/if_mcvar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: if_mcvar.h,v 1.5 2006/06/24 13:23:27 miod Exp $       */
        !             2: /*     $NetBSD: if_mcvar.h,v 1.8 2004/03/26 12:15:46 wiz Exp $ */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1997 David Huang <khym@azeotrope.org>
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. The name of the author may not be used to endorse or promote products
        !            14:  *    derived from this software without specific prior written permission
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            19:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            20:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            21:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            22:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            23:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            24:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            25:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            26:  *
        !            27:  */
        !            28:
        !            29: #define        MC_REGSPACING   16
        !            30: #define        MC_REGSIZE      MACE_NREGS * MC_REGSPACING
        !            31: #define        MACE_REG(x)     ((x)*MC_REGSPACING)
        !            32:
        !            33: #define        NIC_GET(sc, reg)        (bus_space_read_1((sc)->sc_regt,        \
        !            34:                                    (sc)->sc_regh, MACE_REG(reg)))
        !            35:
        !            36: #define        NIC_PUT(sc, reg, val)   (bus_space_write_1((sc)->sc_regt,       \
        !            37:                                    (sc)->sc_regh, MACE_REG(reg), (val)))
        !            38:
        !            39: #ifndef        MC_RXDMABUFS
        !            40: #define        MC_RXDMABUFS    4
        !            41: #endif
        !            42: #if (MC_RXDMABUFS < 2)
        !            43: #error Must have at least two buffers for DMA!
        !            44: #endif
        !            45:
        !            46: #define        MC_NPAGES       ((MC_RXDMABUFS * 0x800 + PAGE_SIZE - 1) / PAGE_SIZE)
        !            47:
        !            48: struct mc_rxframe {
        !            49:        u_int8_t        rx_rcvcnt;
        !            50:        u_int8_t        rx_rcvsts;
        !            51:        u_int8_t        rx_rntpc;
        !            52:        u_int8_t        rx_rcvcc;
        !            53:        u_char          *rx_frame;
        !            54: };
        !            55:
        !            56: struct mc_softc {
        !            57:        struct device   sc_dev;         /* base device glue */
        !            58:        struct arpcom   sc_ethercom;    /* Ethernet common part */
        !            59: #define        sc_if           sc_ethercom.ac_if
        !            60:
        !            61:        struct mc_rxframe       sc_rxframe;
        !            62:        u_int8_t        sc_biucc;
        !            63:        u_int8_t        sc_fifocc;
        !            64:        u_int8_t        sc_plscc;
        !            65:        u_int8_t        sc_enaddr[6];
        !            66:        u_int8_t        sc_pad[2];
        !            67:        int             sc_havecarrier; /* carrier status */
        !            68:        void            (*sc_bus_init)(struct mc_softc *);
        !            69:        void            (*sc_putpacket)(struct mc_softc *, u_int);
        !            70:
        !            71:        bus_space_tag_t         sc_regt;
        !            72:        bus_space_handle_t      sc_regh;
        !            73:
        !            74:        u_char          *sc_txbuf, *sc_rxbuf;
        !            75:        paddr_t         sc_txbuf_phys, sc_rxbuf_phys;
        !            76:        int             sc_tail;
        !            77:        int             sc_rxset;
        !            78:        int             sc_txset, sc_txseti;
        !            79: };
        !            80:
        !            81: int    mcsetup(struct mc_softc *, u_int8_t *);
        !            82: void   mcintr(void *arg);
        !            83: void   mc_rint(struct mc_softc *sc);
        !            84: u_char mc_get_enaddr(bus_space_tag_t t, bus_space_handle_t h,
        !            85:                bus_size_t o, u_char *dst);