xref: /netbsd/sys/dev/isapnp/if_ne_isapnp.c (revision bf9ec67e)
1 /*	$NetBSD: if_ne_isapnp.c,v 1.14 2001/11/13 07:56:41 lukem 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 1.14 2001/11/13 07:56:41 lukem 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 struct cfattach ne_isapnp_ca = {
87 	sizeof(struct ne_isapnp_softc), ne_isapnp_match, ne_isapnp_attach
88 };
89 
90 static int
91 ne_isapnp_match(parent, match, aux)
92 	struct device *parent;
93 	struct cfdata *match;
94 	void *aux;
95 {
96 	int pri, variant;
97 
98 	pri = isapnp_devmatch(aux, &isapnp_ne_devinfo, &variant);
99 	if (pri && variant > 0)
100 		pri = 0;
101 	return (pri);
102 }
103 
104 static void
105 ne_isapnp_attach(
106 	struct device *parent,
107 	struct device *self,
108 	void *aux)
109 {
110 	struct ne_isapnp_softc * const isc = (struct ne_isapnp_softc *)self;
111 	struct ne2000_softc * const nsc = &isc->sc_ne2000;
112 	struct dp8390_softc * const dsc = &nsc->sc_dp8390;
113 	struct isapnp_attach_args * const ipa = aux;
114 	bus_space_tag_t nict;
115 	bus_space_handle_t nich;
116 	bus_space_tag_t asict;
117 	bus_space_handle_t asich;
118 	const char *typestr;
119 	int netype;
120 
121 	printf("\n");
122 
123 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
124 		printf("%s: can't configure isapnp resources\n",
125 		    dsc->sc_dev.dv_xname);
126 		return;
127 	}
128 
129 	nict = ipa->ipa_iot;
130 	nich = ipa->ipa_io[0].h;
131 
132 	asict = nict;
133 
134 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
135 	    NE2000_ASIC_NPORTS, &asich)) {
136 		printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
137 		return;
138 	}
139 
140 	dsc->sc_regt = nict;
141 	dsc->sc_regh = nich;
142 
143 	nsc->sc_asict = asict;
144 	nsc->sc_asich = asich;
145 
146 	/*
147 	 * Detect it again, so we can print some information about the
148 	 * interface.
149 	 */
150 	netype = ne2000_detect(nict, nich, asict, asich);
151 	switch (netype) {
152 	case NE2000_TYPE_NE1000:
153 		typestr = "NE1000";
154 		break;
155 
156 	case NE2000_TYPE_NE2000:
157 		typestr = "NE2000";
158 		/*
159 		 * Check for a RealTek 8019.
160 		 */
161 		bus_space_write_1(nict, nich, ED_P0_CR,
162 		    ED_CR_PAGE_0 | ED_CR_STP);
163 		if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
164 								RTL0_8019ID0 &&
165 		    bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
166 								RTL0_8019ID1) {
167 			typestr = "NE2000 (RTL8019)";
168 			dsc->sc_mediachange = rtl80x9_mediachange;
169 			dsc->sc_mediastatus = rtl80x9_mediastatus;
170 			dsc->init_card = rtl80x9_init_card;
171 			dsc->sc_media_init = rtl80x9_media_init;
172 		}
173 		break;
174 
175 	default:
176 		printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
177 		return;
178 	}
179 
180 	printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr);
181 
182 	/* This interface is always enabled. */
183 	dsc->sc_enabled = 1;
184 
185 	/*
186 	 * Do generic NE2000 attach.  This will read the station address
187 	 * from the EEPROM.
188 	 */
189 	ne2000_attach(nsc, NULL);
190 
191 	/* Establish the interrupt handler. */
192 	isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
193 	    ipa->ipa_irq[0].type, IPL_NET, dp8390_intr, dsc);
194 	if (isc->sc_ih == NULL)
195 		printf("%s: couldn't establish interrupt handler\n",
196 		    dsc->sc_dev.dv_xname);
197 }
198