FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/hmevar.h
1 /* $NetBSD: hmevar.h,v 1.13 2005/02/18 00:22:11 heas 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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include "rnd.h"
40
41 #include <sys/callout.h>
42 #if NRND > 0
43 #include <sys/rnd.h>
44 #endif
45
46
47 struct hme_ring {
48 /* Ring Descriptors */
49 caddr_t rb_membase; /* Packet buffer: CPU address */
50 bus_addr_t rb_dmabase; /* Packet buffer: DMA address */
51 caddr_t rb_txd; /* Transmit descriptors */
52 bus_addr_t rb_txddma; /* DMA address of same */
53 caddr_t rb_rxd; /* Receive descriptors */
54 bus_addr_t rb_rxddma; /* DMA address of same */
55 caddr_t rb_txbuf; /* Transmit buffers */
56 caddr_t rb_rxbuf; /* Receive buffers */
57 int rb_ntbuf; /* # of transmit buffers */
58 int rb_nrbuf; /* # of receive buffers */
59
60 /* Ring Descriptor state */
61 int rb_tdhead, rb_tdtail;
62 int rb_rdtail;
63 int rb_td_nbusy;
64 };
65
66 struct hme_softc {
67 struct device sc_dev; /* boilerplate device view */
68 struct ethercom sc_ethercom; /* Ethernet common part */
69 struct mii_data sc_mii; /* MII media control */
70 #define sc_media sc_mii.mii_media/* shorthand */
71 struct callout sc_tick_ch; /* tick callout */
72
73 /* The following bus handles are to be provided by the bus front-end */
74 bus_space_tag_t sc_bustag; /* bus tag */
75 bus_dma_tag_t sc_dmatag; /* bus dma tag */
76 bus_dmamap_t sc_dmamap; /* bus dma handle */
77 bus_space_handle_t sc_seb; /* HME Global registers */
78 bus_space_handle_t sc_erx; /* HME ERX registers */
79 bus_space_handle_t sc_etx; /* HME ETX registers */
80 bus_space_handle_t sc_mac; /* HME MAC registers */
81 bus_space_handle_t sc_mif; /* HME MIF registers */
82 int sc_burst; /* DVMA burst size in effect */
83 int sc_phys[2]; /* MII instance -> PHY map */
84
85 int sc_pci; /* XXXXX -- PCI buses are LE. */
86
87 /* Ring descriptor */
88 struct hme_ring sc_rb;
89 #if notused
90 void (*sc_copytobuf)(struct hme_softc *,
91 void *, void *, size_t);
92 void (*sc_copyfrombuf)(struct hme_softc *,
93 void *, void *, size_t);
94 #endif
95
96 int sc_debug;
97 void *sc_sh; /* shutdownhook cookie */
98 int sc_ec_capenable;
99 short sc_if_flags;
100 u_int8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */
101
102 /* Special hardware hooks */
103 void (*sc_hwreset)(struct hme_softc *);
104 void (*sc_hwinit)(struct hme_softc *);
105
106 #if NRND > 0
107 rndsource_element_t rnd_source;
108 #endif
109 };
110
111
112 void hme_config(struct hme_softc *);
113 void hme_reset(struct hme_softc *);
114 int hme_intr(void *);
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