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Annotation of sys/arch/mac68k/dev/if_mcvar.h, Revision 1.1.1.1

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);