i82365_isapnp.c revision 1.22 1 /* $NetBSD: i82365_isapnp.c,v 1.22 2006/10/12 01:31:24 christos Exp $ */
2
3 /*
4 * Copyright (c) 1998 Bill Sommerfeld. All rights reserved.
5 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Marc Horowitz.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: i82365_isapnp.c,v 1.22 2006/10/12 01:31:24 christos Exp $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/device.h>
39 #include <sys/extent.h>
40 #include <sys/malloc.h>
41
42 #include <machine/bus.h>
43 #include <machine/intr.h>
44
45 #include <dev/isa/isareg.h>
46 #include <dev/isa/isavar.h>
47
48 #include <dev/isapnp/isapnpreg.h>
49 #include <dev/isapnp/isapnpvar.h>
50 #include <dev/isapnp/isapnpdevs.h>
51
52 #include <dev/pcmcia/pcmciareg.h>
53 #include <dev/pcmcia/pcmciavar.h>
54 #include <dev/pcmcia/pcmciachip.h>
55
56 #include <dev/ic/i82365reg.h>
57 #include <dev/ic/i82365var.h>
58 #include <dev/isa/i82365_isavar.h>
59
60 #undef DPRINTF
61 #ifdef PCICISADEBUG
62 int pcicisapnp_debug = 0 /* XXX */ ;
63 #define DPRINTF(arg) if (pcicisapnp_debug) printf arg;
64 #else
65 #define DPRINTF(arg)
66 #endif
67
68 int pcic_isapnp_match(struct device *, struct cfdata *, void *);
69 void pcic_isapnp_attach(struct device *, struct device *, void *);
70
71 CFATTACH_DECL(pcic_isapnp, sizeof(struct pcic_isa_softc),
72 pcic_isapnp_match, pcic_isapnp_attach, NULL, NULL);
73
74 static struct pcmcia_chip_functions pcic_isa_functions = {
75 pcic_chip_mem_alloc,
76 pcic_chip_mem_free,
77 pcic_chip_mem_map,
78 pcic_chip_mem_unmap,
79
80 pcic_chip_io_alloc,
81 pcic_chip_io_free,
82 pcic_chip_io_map,
83 pcic_chip_io_unmap,
84
85 pcic_isa_chip_intr_establish,
86 pcic_isa_chip_intr_disestablish,
87
88 pcic_chip_socket_enable,
89 pcic_chip_socket_disable,
90 pcic_chip_socket_settype,
91 NULL,
92 };
93
94 int
95 pcic_isapnp_match(struct device *parent __unused, struct cfdata *match __unused,
96 void *aux)
97 {
98 int pri, variant;
99
100 pri = isapnp_devmatch(aux, &isapnp_pcic_devinfo, &variant);
101 if (pri && variant > 0)
102 pri = 0;
103 return (pri);
104 }
105
106 void
107 pcic_isapnp_attach(struct device *parent __unused, struct device *self,
108 void *aux)
109 {
110 struct pcic_softc *sc = device_private(self);
111 struct pcic_isa_softc *isc = device_private(self);
112 struct isapnp_attach_args *ipa = aux;
113 isa_chipset_tag_t ic = ipa->ipa_ic;
114 bus_space_tag_t iot = ipa->ipa_iot;
115 bus_space_tag_t memt = ipa->ipa_memt;
116 bus_space_handle_t ioh;
117 bus_space_handle_t memh;
118 bus_addr_t maddr;
119 int msize;
120 int tmp1;
121
122 printf("\n");
123
124 if (isapnp_config(iot, memt, ipa)) {
125 printf("%s: error in region allocation\n", sc->dev.dv_xname);
126 return;
127 }
128
129 printf("%s: %s %s", sc->dev.dv_xname, ipa->ipa_devident,
130 ipa->ipa_devclass);
131
132 /* sanity check that we get at least one hunk of IO space.. */
133 if (ipa->ipa_nio < 1) {
134 printf("%s: failed to get one chunk of i/o space\n",
135 sc->dev.dv_xname);
136 return;
137 }
138
139 /* Find i/o space. */
140 ioh = ipa->ipa_io[0].h;
141
142 /* sanity check to make sure we have a real PCIC there.. */
143 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
144 tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
145 printf("(ident 0x%x", tmp1);
146 if (pcic_ident_ok(tmp1)) {
147 printf(" OK)");
148 } else {
149 printf(" Not OK)\n");
150 return;
151 }
152
153 msize = 0x4000;
154 if (isa_mem_alloc (memt, msize, msize, 0, 0,
155 &maddr, &memh)) {
156 printf(": can't alloc mem space\n");
157 return;
158 }
159 printf(": using iomem 0x%lx iosiz 0x%x", maddr, msize);
160 sc->membase = maddr;
161 sc->subregionmask = (1 << (msize / PCIC_MEM_PAGESIZE)) - 1;
162
163 isc->sc_ic = ic;
164 sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions;
165
166 sc->iot = iot;
167 sc->ioh = ioh;
168 sc->memt = memt;
169 sc->memh = memh;
170
171 /*
172 * allocate an irq. it will be used by both controllers. I could
173 * use two different interrupts, but interrupts are relatively
174 * scarce, shareable, and for PCIC controllers, very infrequent.
175 */
176
177 if (ipa->ipa_nirq > 0)
178 sc->irq = ipa->ipa_irq[0].num;
179 else
180 sc->irq = -1;
181
182 printf("\n");
183
184 pcic_attach(sc);
185 pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base,
186 ipa->ipa_io[0].length);
187 pcic_attach_sockets(sc);
188 config_interrupts(self, pcic_isa_config_interrupts);
189 }
190