1 /* $NetBSD: if_mcvar.h,v 1.6 2001/07/26 11:23:37 tsubai Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 David Huang <khym@bga.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 #include <macppc/dev/dbdma.h> 29 30 #if 1 31 #define integrate 32 #define hide 33 #else 34 #define integrate static /*__inline*/ 35 #define hide static 36 #endif 37 38 #define MC_REGSPACING 16 39 #define MC_REGSIZE MACE_NREGS * MC_REGSPACING 40 #define MACE_REG(x) ((x)*MC_REGSPACING) 41 42 #define NIC_GET(sc, reg) (bus_space_read_1((sc)->sc_regt, \ 43 (sc)->sc_regh, MACE_REG(reg))) 44 #define NIC_PUT(sc, reg, val) (bus_space_write_1((sc)->sc_regt, \ 45 (sc)->sc_regh, MACE_REG(reg), (val))) 46 47 #ifndef MC_RXDMABUFS 48 #define MC_RXDMABUFS 4 49 #endif 50 #if (MC_RXDMABUFS < 2) 51 #error Must have at least two buffers for DMA! 52 #endif 53 54 #define MC_NPAGES ((MC_RXDMABUFS * 0x800 + NBPG - 1) / NBPG) 55 56 struct mc_rxframe { 57 u_int8_t rx_rcvcnt; 58 u_int8_t rx_rcvsts; 59 u_int8_t rx_rntpc; 60 u_int8_t rx_rcvcc; 61 u_char *rx_frame; 62 }; 63 64 struct mc_softc { 65 struct device sc_dev; /* base device glue */ 66 struct ethercom sc_ethercom; /* Ethernet common part */ 67 #define sc_if sc_ethercom.ec_if 68 struct ifmedia sc_media; 69 70 struct mc_rxframe sc_rxframe; 71 u_int8_t sc_biucc; 72 u_int8_t sc_fifocc; 73 u_int8_t sc_plscc; 74 u_int8_t sc_enaddr[6]; 75 u_int8_t sc_pad[2]; 76 int sc_havecarrier; /* carrier status */ 77 void (*sc_bus_init) __P((struct mc_softc *)); 78 void (*sc_putpacket) __P((struct mc_softc *, u_int)); 79 int (*sc_mediachange) __P((struct mc_softc *)); 80 void (*sc_mediastatus) __P((struct mc_softc *, 81 struct ifmediareq *)); 82 83 bus_space_tag_t sc_regt; 84 bus_space_handle_t sc_regh; 85 86 u_char *sc_txbuf, *sc_rxbuf; 87 int sc_txbuf_phys, sc_rxbuf_phys; 88 int sc_tail; 89 90 int sc_node; 91 dbdma_regmap_t *sc_txdma; 92 dbdma_command_t *sc_txdmacmd; 93 dbdma_regmap_t *sc_rxdma; 94 dbdma_command_t *sc_rxdmacmd; 95 }; 96 97 int mcsetup __P((struct mc_softc *, u_int8_t *)); 98 int mcintr __P((void *arg)); 99 void mc_rint __P((struct mc_softc *sc)); 100