1 /* $OpenBSD: i82365_isapnp.c,v 1.11 2022/04/06 18:59:28 naddy Exp $ */
2 /* $NetBSD: i82365_isapnp.c,v 1.8 2000/02/23 17:22:11 soren Exp $ */
3
4 /*
5 * Copyright (c) 1998 Bill Sommerfeld. All rights reserved.
6 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Marc Horowitz.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.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/isa/isapnpreg.h>
49
50 #include <dev/pcmcia/pcmciareg.h>
51 #include <dev/pcmcia/pcmciavar.h>
52 #include <dev/pcmcia/pcmciachip.h>
53
54 #include <dev/ic/i82365reg.h>
55 #include <dev/ic/i82365var.h>
56 #include <dev/isa/i82365_isavar.h>
57
58 #undef DPRINTF
59 #ifdef PCICISADEBUG
60 int pcicisapnp_debug = 0 /* XXX */ ;
61 #define DPRINTF(arg) if (pcicisapnp_debug) printf arg;
62 #else
63 #define DPRINTF(arg)
64 #endif
65
66 int pcic_isapnp_match(struct device *, void *, void *);
67 void pcic_isapnp_attach(struct device *, struct device *, void *);
68
69 const struct cfattach pcic_isapnp_ca = {
70 sizeof(struct pcic_softc), pcic_isapnp_match, pcic_isapnp_attach
71 };
72
73 static struct pcmcia_chip_functions pcic_isa_functions = {
74 pcic_chip_mem_alloc,
75 pcic_chip_mem_free,
76 pcic_chip_mem_map,
77 pcic_chip_mem_unmap,
78
79 pcic_chip_io_alloc,
80 pcic_chip_io_free,
81 pcic_chip_io_map,
82 pcic_chip_io_unmap,
83
84 pcic_isa_chip_intr_establish,
85 pcic_isa_chip_intr_disestablish,
86 pcic_isa_chip_intr_string,
87
88 pcic_chip_socket_enable,
89 pcic_chip_socket_disable,
90 };
91
92 int
pcic_isapnp_match(struct device * parent,void * match,void * aux)93 pcic_isapnp_match(struct device *parent, void *match, void *aux)
94 {
95 return (1);
96 }
97
98 void
pcic_isapnp_attach(struct device * parent,struct device * self,void * aux)99 pcic_isapnp_attach(struct device *parent, struct device *self, void *aux)
100 {
101 struct pcic_softc *sc = (void *) self;
102 struct pcic_handle *h;
103 struct isa_attach_args *ipa = aux;
104 isa_chipset_tag_t ic = ipa->ia_ic;
105 bus_space_tag_t iot = ipa->ia_iot;
106 bus_space_tag_t memt = ipa->ia_memt;
107 bus_space_handle_t ioh;
108 bus_space_handle_t memh;
109 int tmp1, i;
110
111 printf("\n");
112
113 if (isapnp_config(iot, memt, ipa)) {
114 printf("%s: error in region allocation\n", sc->dev.dv_xname);
115 return;
116 }
117
118 printf("%s: %s %s", sc->dev.dv_xname, ipa->ipa_devident,
119 ipa->ipa_devclass);
120
121 /* sanity check that we get at least one hunk of IO space.. */
122 if (ipa->ipa_nio < 1) {
123 printf("%s: failed to get one chunk of i/o space\n",
124 sc->dev.dv_xname);
125 return;
126 }
127
128 /* Find i/o space. */
129 ioh = ipa->ipa_io[0].h;
130
131 /* sanity check to make sure we have a real PCIC there.. */
132 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
133 tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
134 printf("(ident 0x%x", tmp1);
135 if (pcic_ident_ok(tmp1)) {
136 printf(" OK)");
137 } else {
138 printf(" Not OK)\n");
139 return;
140 }
141
142 if (bus_space_map(memt, ipa->ia_maddr, ipa->ia_msize, 0, &memh)) {
143 printf(": can't map mem space\n");
144 return;
145 }
146
147 sc->membase = ipa->ia_maddr;
148 sc->subregionmask = (1 << (ipa->ia_msize / PCIC_MEM_PAGESIZE)) - 1;
149
150 sc->intr_est = ic;
151 sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions;
152
153 sc->iot = iot;
154 sc->ioh = ioh;
155 sc->memt = memt;
156 sc->memh = memh;
157
158 printf("\n");
159
160 pcic_attach(sc);
161 pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base,
162 ipa->ipa_io[0].length);
163 pcic_attach_sockets(sc);
164
165 /*
166 * allocate an irq. it will be used by both controllers. I could
167 * use two different interrupts, but interrupts are relatively
168 * scarce, shareable, and for PCIC controllers, very infrequent.
169 */
170
171 if (ipa->ipa_nirq > 0)
172 sc->irq = ipa->ipa_irq[0].num;
173 else
174 sc->irq = IRQUNK;
175
176 if (sc->irq == IRQUNK)
177 sc->irq = pcic_intr_find(sc, IST_EDGE);
178
179 if (sc->irq) {
180 sc->ih = isa_intr_establish(ic, sc->irq, IST_EDGE, IPL_TTY,
181 pcic_intr, sc, sc->dev.dv_xname);
182 if (!sc->ih)
183 sc->irq = 0;
184 }
185
186 if (sc->irq) {
187 printf("%s: irq %d, ", sc->dev.dv_xname, sc->irq);
188
189 /* Set up the pcic to interrupt on card detect. */
190 for (i = 0; i < PCIC_NSLOTS; i++) {
191 h = &sc->handle[i];
192 if (h->flags & PCIC_FLAG_SOCKETP) {
193 pcic_write(h, PCIC_CSC_INTR,
194 (sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) |
195 PCIC_CSC_INTR_CD_ENABLE);
196 }
197 }
198 } else
199 printf("%s: no irq, ", sc->dev.dv_xname);
200
201 printf("polling enabled\n");
202 if (sc->poll_established == 0) {
203 timeout_set(&sc->poll_timeout, pcic_poll_intr, sc);
204 timeout_add_msec(&sc->poll_timeout, 500);
205 sc->poll_established = 1;
206 }
207 }
208