1 /* $NetBSD: mb8795var.h,v 1.16 2023/02/03 23:04:35 tsutsui 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 <sys/rndsource.h> 28 29 #define MB8795_NRXBUFS (32) 30 31 struct mb8795_softc; 32 33 /* 34 * Function switch used as glue to MD code. 35 */ 36 struct mb8795_glue { 37 /* Mandatory entry points. */ 38 u_char (*gl_read_reg)(struct mb8795_softc *, int); 39 void (*gl_write_reg)(struct mb8795_softc *, int, u_char); 40 void (*gl_dma_reset)(struct mb8795_softc *); 41 void (*gl_dma_rx_setup)(struct mb8795_softc *); 42 void (*gl_dma_rx_go)(struct mb8795_softc *); 43 struct mbuf * (*gl_dma_rx_mbuf)(struct mb8795_softc *); 44 void (*gl_dma_tx_setup)(struct mb8795_softc *); 45 void (*gl_dma_tx_go)(struct mb8795_softc *); 46 int (*gl_dma_tx_mbuf)(struct mb8795_softc *, struct mbuf *); 47 int (*gl_dma_tx_isactive)(struct mb8795_softc *); 48 /* Optional entry points. */ 49 }; 50 51 struct mb8795_softc { 52 device_t sc_dev; /* base device glue */ 53 struct ethercom sc_ethercom; /* Ethernet common part */ 54 55 struct mb8795_glue *sc_glue; /* glue to MD code */ 56 57 void *sc_sh; /* shutdownhook cookie */ 58 59 int sc_debug; 60 61 bus_space_tag_t sc_bmap_bst; /* bus space tag */ 62 63 bus_space_handle_t sc_bmap_bsh; /* bus space handle */ 64 65 uint8_t sc_enaddr[6]; 66 67 struct ifaltq sc_tx_snd; 68 69 struct ifmedia sc_media; 70 71 krndsource_t rnd_source; 72 73 }; 74 75 /* 76 * Macros to read and write the chip's registers. 77 */ 78 #define MB_READ_REG(sc, reg) \ 79 (*(sc)->sc_glue->gl_read_reg)((sc), (reg)) 80 #define MB_WRITE_REG(sc, reg, val) \ 81 (*(sc)->sc_glue->gl_write_reg)((sc), (reg), (val)) 82 83 /* 84 * DMA macros for mb8795 85 */ 86 #define MBDMA_RESET(sc) (*(sc)->sc_glue->gl_dma_reset)((sc)) 87 #define MBDMA_SETUP(sc, addr, len, datain, dmasize) \ 88 (*(sc)->sc_glue->gl_dma_setup)((sc), (addr), (len), (datain), (dmasize)) 89 #define MBDMA_GO(sc) (*(sc)->sc_glue->gl_dma_go)((sc)) 90 #define MBDMA_ISACTIVE(sc) (*(sc)->sc_glue->gl_dma_isactive)((sc)) 91 #define MBDMA_RX_SETUP(sc) (*(sc)->sc_glue->gl_dma_rx_setup) ((sc)) 92 #define MBDMA_RX_GO(sc) (*(sc)->sc_glue->gl_dma_rx_go) ((sc)) 93 #define MBDMA_RX_MBUF(sc) (*(sc)->sc_glue->gl_dma_rx_mbuf) ((sc)) 94 #define MBDMA_TX_SETUP(sc) (*(sc)->sc_glue->gl_dma_tx_setup) ((sc)) 95 #define MBDMA_TX_GO(sc) (*(sc)->sc_glue->gl_dma_tx_go) ((sc)) 96 #define MBDMA_TX_MBUF(sc,m) (*(sc)->sc_glue->gl_dma_tx_mbuf) ((sc), (m)) 97 #define MBDMA_TX_ISACTIVE(sc) (*(sc)->sc_glue->gl_dma_tx_isactive)((sc)) 98 99 void mb8795_config(struct mb8795_softc *, int *, int, int); 100 void mb8795_init(struct mb8795_softc *); 101 int mb8795_ioctl(struct ifnet *, u_long, void *); 102 void mb8795_reset(struct mb8795_softc *); 103 void mb8795_start(struct ifnet *); 104 void mb8795_stop(struct mb8795_softc *); 105 void mb8795_watchdog(struct ifnet *); 106 107 void mb8795_rint(struct mb8795_softc *); 108 void mb8795_tint(struct mb8795_softc *); 109