FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/hmevar.h
1 /* $NetBSD: hmevar.h,v 1.17 2008/04/28 20:23:50 martin 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 "rnd.h"
33
34 #include <sys/callout.h>
35 #if NRND > 0
36 #include <sys/rnd.h>
37 #endif
38
39
40 struct hme_ring {
41 /* Ring Descriptors */
42 void * rb_membase; /* Packet buffer: CPU address */
43 bus_addr_t rb_dmabase; /* Packet buffer: DMA address */
44 void * rb_txd; /* Transmit descriptors */
45 bus_addr_t rb_txddma; /* DMA address of same */
46 void * rb_rxd; /* Receive descriptors */
47 bus_addr_t rb_rxddma; /* DMA address of same */
48 void * rb_txbuf; /* Transmit buffers */
49 void * rb_rxbuf; /* Receive buffers */
50 int rb_ntbuf; /* # of transmit buffers */
51 int rb_nrbuf; /* # of receive buffers */
52
53 /* Ring Descriptor state */
54 int rb_tdhead, rb_tdtail;
55 int rb_rdtail;
56 int rb_td_nbusy;
57 };
58
59 struct hme_softc {
60 struct device sc_dev; /* boilerplate device view */
61 struct ethercom sc_ethercom; /* Ethernet common part */
62 struct mii_data sc_mii; /* MII media control */
63 struct callout sc_tick_ch; /* tick callout */
64
65 /* The following bus handles are to be provided by the bus front-end */
66 bus_space_tag_t sc_bustag; /* bus tag */
67 bus_dma_tag_t sc_dmatag; /* bus dma tag */
68 bus_dmamap_t sc_dmamap; /* bus dma handle */
69 bus_space_handle_t sc_seb; /* HME Global registers */
70 bus_space_handle_t sc_erx; /* HME ERX registers */
71 bus_space_handle_t sc_etx; /* HME ETX registers */
72 bus_space_handle_t sc_mac; /* HME MAC registers */
73 bus_space_handle_t sc_mif; /* HME MIF registers */
74 int sc_burst; /* DVMA burst size in effect */
75 int sc_phys[2]; /* MII instance -> PHY map */
76
77 int sc_pci; /* XXXXX -- PCI buses are LE. */
78
79 /* Ring descriptor */
80 struct hme_ring sc_rb;
81 #if notused
82 void (*sc_copytobuf)(struct hme_softc *,
83 void *, void *, size_t);
84 void (*sc_copyfrombuf)(struct hme_softc *,
85 void *, void *, size_t);
86 #endif
87
88 int sc_debug;
89 void *sc_sh; /* shutdownhook cookie */
90 int sc_ec_capenable;
91 short sc_if_flags;
92 u_int8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */
93
94 /* Special hardware hooks */
95 void (*sc_hwreset)(struct hme_softc *);
96 void (*sc_hwinit)(struct hme_softc *);
97
98 #if NRND > 0
99 rndsource_element_t rnd_source;
100 #endif
101 };
102
103
104 void hme_config(struct hme_softc *);
105 void hme_reset(struct hme_softc *);
106 int hme_intr(void *);
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