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
35struct 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
54struct 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
96void hme_config(struct hme_softc *);
97int hme_intr(void *);
98