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);
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