| 1 | /* $NetBSD: hmevar.h,v 1.24 2015/04/13 16:33:24 riastradh Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1999 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Paul Kranenburg. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #include <sys/callout.h> |
| 33 | #include <sys/rndsource.h> |
| 34 | |
| 35 | struct hme_ring { |
| 36 | /* Ring Descriptors */ |
| 37 | void * rb_membase; /* Packet buffer: CPU address */ |
| 38 | bus_addr_t rb_dmabase; /* Packet buffer: DMA address */ |
| 39 | void * rb_txd; /* Transmit descriptors */ |
| 40 | bus_addr_t rb_txddma; /* DMA address of same */ |
| 41 | void * rb_rxd; /* Receive descriptors */ |
| 42 | bus_addr_t rb_rxddma; /* DMA address of same */ |
| 43 | void * rb_txbuf; /* Transmit buffers */ |
| 44 | void * rb_rxbuf; /* Receive buffers */ |
| 45 | int rb_ntbuf; /* # of transmit buffers */ |
| 46 | int rb_nrbuf; /* # of receive buffers */ |
| 47 | |
| 48 | /* Ring Descriptor state */ |
| 49 | int rb_tdhead, rb_tdtail; |
| 50 | int rb_rdtail; |
| 51 | int rb_td_nbusy; |
| 52 | }; |
| 53 | |
| 54 | struct hme_softc { |
| 55 | device_t sc_dev; /* boilerplate device view */ |
| 56 | struct ethercom sc_ethercom; /* Ethernet common part */ |
| 57 | struct mii_data sc_mii; /* MII media control */ |
| 58 | struct callout sc_tick_ch; /* tick callout */ |
| 59 | |
| 60 | /* The following bus handles are to be provided by the bus front-end */ |
| 61 | bus_space_tag_t sc_bustag; /* bus tag */ |
| 62 | bus_dma_tag_t sc_dmatag; /* bus dma tag */ |
| 63 | bus_dmamap_t sc_dmamap; /* bus dma handle */ |
| 64 | bus_space_handle_t sc_seb; /* HME Global registers */ |
| 65 | bus_space_handle_t sc_erx; /* HME ERX registers */ |
| 66 | bus_space_handle_t sc_etx; /* HME ETX registers */ |
| 67 | bus_space_handle_t sc_mac; /* HME MAC registers */ |
| 68 | bus_space_handle_t sc_mif; /* HME MIF registers */ |
| 69 | int sc_burst; /* DVMA burst size in effect */ |
| 70 | int sc_phys[2]; /* MII instance -> PHY map */ |
| 71 | |
| 72 | int sc_pci; /* XXXXX -- PCI buses are LE. */ |
| 73 | |
| 74 | /* Ring descriptor */ |
| 75 | struct hme_ring sc_rb; |
| 76 | #if notused |
| 77 | void (*sc_copytobuf)(struct hme_softc *, |
| 78 | void *, void *, size_t); |
| 79 | void (*sc_copyfrombuf)(struct hme_softc *, |
| 80 | void *, void *, size_t); |
| 81 | #endif |
| 82 | |
| 83 | int sc_debug; |
| 84 | int sc_ec_capenable; |
| 85 | short sc_if_flags; |
| 86 | uint8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */ |
| 87 | |
| 88 | /* Special hardware hooks */ |
| 89 | void (*sc_hwreset)(struct hme_softc *); |
| 90 | void (*sc_hwinit)(struct hme_softc *); |
| 91 | |
| 92 | krndsource_t rnd_source; |
| 93 | }; |
| 94 | |
| 95 | |
| 96 | void hme_config(struct hme_softc *); |
| 97 | int hme_intr(void *); |
| 98 | |