xref: /netbsd/sys/dev/isapnp/if_ne_isapnp.c (revision c4a72b64)
1 /*	$NetBSD: if_ne_isapnp.c,v 1.17 2002/10/02 16:34:02 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9  * NASA Ames Research Center and Matt Thomas of the 3am Software Foundry.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *	This product includes software developed by the NetBSD
22  *	Foundation, Inc. and its contributors.
23  * 4. Neither the name of The NetBSD Foundation nor the names of its
24  *    contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: if_ne_isapnp.c,v 1.17 2002/10/02 16:34:02 thorpej Exp $");
42 
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/mbuf.h>
46 #include <sys/socket.h>
47 #include <sys/ioctl.h>
48 #include <sys/errno.h>
49 #include <sys/syslog.h>
50 #include <sys/select.h>
51 #include <sys/device.h>
52 
53 #include <net/if.h>
54 #include <net/if_dl.h>
55 #include <net/if_ether.h>
56 #include <net/if_media.h>
57 
58 #include <machine/intr.h>
59 #include <machine/bus.h>
60 
61 #include <dev/ic/dp8390reg.h>
62 #include <dev/ic/dp8390var.h>
63 
64 #include <dev/ic/ne2000reg.h>
65 #include <dev/ic/ne2000var.h>
66 
67 #include <dev/ic/rtl80x9reg.h>
68 #include <dev/ic/rtl80x9var.h>
69 
70 #include <dev/isa/isavar.h>
71 
72 #include <dev/isapnp/isapnpreg.h>
73 #include <dev/isapnp/isapnpvar.h>
74 #include <dev/isapnp/isapnpdevs.h>
75 
76 static int ne_isapnp_match __P((struct device *, struct cfdata *, void *));
77 static void ne_isapnp_attach __P((struct device *, struct device *, void *));
78 
79 struct ne_isapnp_softc {
80 	struct	ne2000_softc sc_ne2000;		/* real "ne2000" softc */
81 
82 	/* ISA-specific goo. */
83 	void	*sc_ih;				/* interrupt cookie */
84 };
85 
86 CFATTACH_DECL(ne_isapnp, sizeof(struct ne_isapnp_softc),
87     ne_isapnp_match, ne_isapnp_attach, NULL, NULL);
88 
89 static int
90 ne_isapnp_match(parent, match, aux)
91 	struct device *parent;
92 	struct cfdata *match;
93 	void *aux;
94 {
95 	int pri, variant;
96 
97 	pri = isapnp_devmatch(aux, &isapnp_ne_devinfo, &variant);
98 	if (pri && variant > 0)
99 		pri = 0;
100 	return (pri);
101 }
102 
103 static void
104 ne_isapnp_attach(
105 	struct device *parent,
106 	struct device *self,
107 	void *aux)
108 {
109 	struct ne_isapnp_softc * const isc = (struct ne_isapnp_softc *)self;
110 	struct ne2000_softc * const nsc = &isc->sc_ne2000;
111 	struct dp8390_softc * const dsc = &nsc->sc_dp8390;
112 	struct isapnp_attach_args * const ipa = aux;
113 	bus_space_tag_t nict;
114 	bus_space_handle_t nich;
115 	bus_space_tag_t asict;
116 	bus_space_handle_t asich;
117 	const char *typestr;
118 	int netype;
119 
120 	printf("\n");
121 
122 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
123 		printf("%s: can't configure isapnp resources\n",
124 		    dsc->sc_dev.dv_xname);
125 		return;
126 	}
127 
128 	nict = ipa->ipa_iot;
129 	nich = ipa->ipa_io[0].h;
130 
131 	asict = nict;
132 
133 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
134 	    NE2000_ASIC_NPORTS, &asich)) {
135 		printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
136 		return;
137 	}
138 
139 	dsc->sc_regt = nict;
140 	dsc->sc_regh = nich;
141 
142 	nsc->sc_asict = asict;
143 	nsc->sc_asich = asich;
144 
145 	/*
146 	 * Detect it again, so we can print some information about the
147 	 * interface.
148 	 */
149 	netype = ne2000_detect(nict, nich, asict, asich);
150 	switch (netype) {
151 	case NE2000_TYPE_NE1000:
152 		typestr = "NE1000";
153 		break;
154 
155 	case NE2000_TYPE_NE2000:
156 		typestr = "NE2000";
157 		/*
158 		 * Check for a RealTek 8019.
159 		 */
160 		bus_space_write_1(nict, nich, ED_P0_CR,
161 		    ED_CR_PAGE_0 | ED_CR_STP);
162 		if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
163 								RTL0_8019ID0 &&
164 		    bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
165 								RTL0_8019ID1) {
166 			typestr = "NE2000 (RTL8019)";
167 			dsc->sc_mediachange = rtl80x9_mediachange;
168 			dsc->sc_mediastatus = rtl80x9_mediastatus;
169 			dsc->init_card = rtl80x9_init_card;
170 			dsc->sc_media_init = rtl80x9_media_init;
171 		}
172 		break;
173 
174 	default:
175 		printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
176 		return;
177 	}
178 
179 	printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr);
180 
181 	/* This interface is always enabled. */
182 	dsc->sc_enabled = 1;
183 
184 	/*
185 	 * Do generic NE2000 attach.  This will read the station address
186 	 * from the EEPROM.
187 	 */
188 	ne2000_attach(nsc, NULL);
189 
190 	/* Establish the interrupt handler. */
191 	isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
192 	    ipa->ipa_irq[0].type, IPL_NET, dp8390_intr, dsc);
193 	if (isc->sc_ih == NULL)
194 		printf("%s: couldn't establish interrupt handler\n",
195 		    dsc->sc_dev.dv_xname);
196 }
197