1/* $NetBSD: if_mcvar.h,v 1.14 2022/09/18 10:54:52 thorpej 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 2 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 + PAGE_SIZE - 1) / PAGE_SIZE) 55 56struct mc_rxframe { 57 uint8_t rx_rcvcnt; 58 uint8_t rx_rcvsts; 59 uint8_t rx_rntpc; 60 uint8_t rx_rcvcc; 61 uint8_t *rx_frame; 62}; 63 64struct mc_softc { 65 device_t 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)(struct mc_softc *); 78 void (*sc_putpacket)(struct mc_softc *, u_int); 79 int (*sc_mediachange)(struct mc_softc *); 80 void (*sc_mediastatus)(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 bool sc_txbusy; 90 91 int sc_node; 92 dbdma_regmap_t *sc_txdma; 93 dbdma_command_t *sc_txdmacmd; 94 dbdma_regmap_t *sc_rxdma; 95 dbdma_command_t *sc_rxdmacmd; 96}; 97 98int mcsetup(struct mc_softc *, u_int8_t *); 99int mcintr(void *arg); 100void mc_rint(struct mc_softc *sc); 101