1 /* $NetBSD: mb8795var.h,v 1.11 2010/04/24 19:58:13 dbj Exp $ */ 2 /* 3 * Copyright (c) 1998 Darrin B. Jewell 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 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 #include "rnd.h" /* is random device-driver configured? */ 28 #if NRND > 0 29 #include <sys/rnd.h> 30 #endif /* NRND */ 31 32 #define MB8795_NRXBUFS (32) 33 34 struct mb8795_softc; 35 36 /* 37 * Function switch used as glue to MD code. 38 */ 39 struct mb8795_glue { 40 /* Mandatory entry points. */ 41 u_char (*gl_read_reg)(struct mb8795_softc *, int); 42 void (*gl_write_reg)(struct mb8795_softc *, int, u_char); 43 void (*gl_dma_reset)(struct mb8795_softc *); 44 void (*gl_dma_rx_setup)(struct mb8795_softc *); 45 void (*gl_dma_rx_go)(struct mb8795_softc *); 46 struct mbuf * (*gl_dma_rx_mbuf)(struct mb8795_softc *); 47 void (*gl_dma_tx_setup)(struct mb8795_softc *); 48 void (*gl_dma_tx_go)(struct mb8795_softc *); 49 int (*gl_dma_tx_mbuf)(struct mb8795_softc *, struct mbuf *); 50 int (*gl_dma_tx_isactive)(struct mb8795_softc *); 51 /* Optional entry points. */ 52 }; 53 54 struct mb8795_softc { 55 struct device sc_dev; /* base device glue */ 56 struct ethercom sc_ethercom; /* Ethernet common part */ 57 58 struct mb8795_glue *sc_glue; /* glue to MD code */ 59 60 void *sc_sh; /* shutdownhook cookie */ 61 62 int sc_debug; 63 64 bus_space_tag_t sc_bmap_bst; /* bus space tag */ 65 66 bus_space_handle_t sc_bmap_bsh; /* bus space handle */ 67 68 u_int8_t sc_enaddr[6]; 69 70 struct ifaltq sc_tx_snd; 71 72 struct ifmedia sc_media; 73 74 #if NRND > 0 75 rndsource_element_t rnd_source; 76 #endif /* NRND */ 77 78 }; 79 80 /* 81 * Macros to read and write the chip's registers. 82 */ 83 #define MB_READ_REG(sc, reg) \ 84 (*(sc)->sc_glue->gl_read_reg)((sc), (reg)) 85 #define MB_WRITE_REG(sc, reg, val) \ 86 (*(sc)->sc_glue->gl_write_reg)((sc), (reg), (val)) 87 88 /* 89 * DMA macros for mb8795 90 */ 91 #define MBDMA_RESET(sc) (*(sc)->sc_glue->gl_dma_reset)((sc)) 92 #define MBDMA_SETUP(sc, addr, len, datain, dmasize) \ 93 (*(sc)->sc_glue->gl_dma_setup)((sc), (addr), (len), (datain), (dmasize)) 94 #define MBDMA_GO(sc) (*(sc)->sc_glue->gl_dma_go)((sc)) 95 #define MBDMA_ISACTIVE(sc) (*(sc)->sc_glue->gl_dma_isactive)((sc)) 96 #define MBDMA_RX_SETUP(sc) (*(sc)->sc_glue->gl_dma_rx_setup) ((sc)) 97 #define MBDMA_RX_GO(sc) (*(sc)->sc_glue->gl_dma_rx_go) ((sc)) 98 #define MBDMA_RX_MBUF(sc) (*(sc)->sc_glue->gl_dma_rx_mbuf) ((sc)) 99 #define MBDMA_TX_SETUP(sc) (*(sc)->sc_glue->gl_dma_tx_setup) ((sc)) 100 #define MBDMA_TX_GO(sc) (*(sc)->sc_glue->gl_dma_tx_go) ((sc)) 101 #define MBDMA_TX_MBUF(sc,m) (*(sc)->sc_glue->gl_dma_tx_mbuf) ((sc), (m)) 102 #define MBDMA_TX_ISACTIVE(sc) (*(sc)->sc_glue->gl_dma_tx_isactive)((sc)) 103 104 void mb8795_config(struct mb8795_softc *, int *, int, int); 105 void mb8795_init(struct mb8795_softc *); 106 int mb8795_ioctl(struct ifnet *, u_long, void *); 107 void mb8795_reset(struct mb8795_softc *); 108 void mb8795_start(struct ifnet *); 109 void mb8795_stop(struct mb8795_softc *); 110 void mb8795_watchdog(struct ifnet *); 111 112 void mb8795_rint(struct mb8795_softc *); 113 void mb8795_tint(struct mb8795_softc *); 114