xref: /openbsd/sys/dev/isa/if_le_isapnp.c (revision 264ca280)
1 /*	$OpenBSD: if_le_isapnp.c,v 1.14 2014/12/22 02:28:51 tedu Exp $	*/
2 /*	$NetBSD: if_le_isa.c,v 1.2 1996/05/12 23:52:56 mycroft Exp $	*/
3 
4 /*-
5  * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
6  * Copyright (c) 1992, 1993
7  *	The Regents of the University of California.  All rights reserved.
8  *
9  * This code is derived from software contributed to Berkeley by
10  * Ralph Campbell and Rick Macklem.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)if_le.c	8.2 (Berkeley) 11/16/93
37  */
38 
39 #include "bpfilter.h"
40 #include "isadma.h"
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/mbuf.h>
45 #include <sys/syslog.h>
46 #include <sys/socket.h>
47 #include <sys/device.h>
48 
49 #include <net/if.h>
50 #include <net/if_media.h>
51 
52 #include <netinet/in.h>
53 #include <netinet/if_ether.h>
54 
55 #include <machine/cpu.h>
56 #include <machine/intr.h>
57 
58 #include <dev/isa/isareg.h>
59 #include <dev/isa/isavar.h>
60 #include <dev/isa/isadmavar.h>
61 
62 #include <dev/ic/lancereg.h>
63 #include <dev/ic/lancevar.h>
64 #include <dev/ic/am7990reg.h>
65 #include <dev/ic/am7990var.h>
66 
67 #include <dev/isa/if_levar.h>
68 
69 int	le_isapnp_match(struct device *, void *, void *);
70 void	le_isapnp_attach(struct device *, struct device *, void *);
71 
72 struct cfattach le_isapnp_ca = {
73 	sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach
74 };
75 
76 int
77 le_isapnp_match(struct device *parent, void *match, void *aux)
78 {
79 	return 1;
80 }
81 
82 void
83 le_isapnp_attach(struct device *parent, struct device *self, void *aux)
84 {
85 	struct le_softc *lesc = (void *)self;
86 	struct isa_attach_args *ia = aux;
87 	struct lance_softc *sc = &lesc->sc_am7990.lsc;
88 	bus_space_tag_t iot = lesc->sc_iot;
89 	bus_space_handle_t ioh = lesc->sc_ioh;
90 	int i;
91 
92 	lesc->sc_iot = iot = ia->ia_iot;
93 	lesc->sc_ioh = ioh = ia->ipa_io[0].h;
94 	lesc->sc_rap = NE2100_RAP;
95 	lesc->sc_rdp = NE2100_RDP;
96 	lesc->sc_card = NE2100;
97 
98 	/*
99 	 * Extract the physical MAC address from the ROM.
100 	 */
101 	for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++)
102 		sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(iot, ioh, i);
103 
104 	sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT);
105 	if (sc->sc_mem == 0) {
106 		printf(": couldn't allocate memory for card\n");
107 		return;
108 	}
109 
110 	sc->sc_conf3 = 0;
111 	sc->sc_addr = kvtop(sc->sc_mem);
112 	sc->sc_memsize = 16384;
113 
114 	sc->sc_copytodesc = lance_copytobuf_contig;
115 	sc->sc_copyfromdesc = lance_copyfrombuf_contig;
116 	sc->sc_copytobuf = lance_copytobuf_contig;
117 	sc->sc_copyfrombuf = lance_copyfrombuf_contig;
118 	sc->sc_zerobuf = lance_zerobuf_contig;
119 
120 	sc->sc_rdcsr = le_isa_rdcsr;
121 	sc->sc_wrcsr = le_isa_wrcsr;
122 	sc->sc_hwreset = NULL;
123 	sc->sc_hwinit = NULL;
124 
125 	am7990_config(&lesc->sc_am7990);
126 
127 #if NISADMA > 0
128 	if (ia->ia_drq != DRQUNK)
129 		isadma_cascade(ia->ia_drq);
130 #endif
131 
132 	lesc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
133 	    IPL_NET, le_isa_intredge, sc, sc->sc_dev.dv_xname);
134 }
135