pckbc_jazzio.c revision 1.1 1 /* $NetBSD: pckbc_jazzio.c,v 1.1 2000/06/17 07:17:38 soda Exp $ */
2 /* NetBSD: pckbc_isa.c,v 1.2 2000/03/23 07:01:35 thorpej Exp */
3
4 /*
5 * Copyright (c) 1998
6 * Matthias Drochner. 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 for the NetBSD Project
19 * by Matthias Drochner.
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/proc.h>
39 #include <sys/device.h>
40 #include <sys/malloc.h>
41 #include <sys/errno.h>
42 #include <sys/queue.h>
43 #include <sys/lock.h>
44
45 #include <machine/autoconf.h>
46 #include <machine/bus.h>
47 #include <arc/pica/pica.h>
48
49 #include <dev/ic/i8042reg.h>
50 #include <dev/ic/pckbcvar.h>
51 #include <arc/jazz/pckbc_jazzioreg.h>
52
53 #define PICA_KBCMDP (PICA_SYS_KBD + JAZZIO_KBCMDP)
54
55 int pckbc_jazzio_match __P((struct device *, struct cfdata *, void *));
56 void pckbc_jazzio_attach __P((struct device *, struct device *, void *));
57 void pckbc_jazzio_intr_establish __P((struct pckbc_softc *, pckbc_slot_t));
58
59 struct pckbc_jazzio_softc {
60 struct pckbc_softc sc_pckbc;
61
62 struct confargs *sc_ca[PCKBC_NSLOTS];
63 };
64
65 struct cfattach pckbc_jazzio_ca = {
66 sizeof(struct pckbc_jazzio_softc),
67 pckbc_jazzio_match, pckbc_jazzio_attach,
68 };
69
70 extern struct arc_bus_space pica_bus; /* XXX */
71
72 int
73 pckbc_jazzio_match(parent, match, aux)
74 struct device *parent;
75 struct cfdata *match;
76 void *aux;
77 {
78 struct confargs *ca = aux;
79 bus_space_tag_t iot = &pica_bus;
80 bus_space_handle_t ioh_d, ioh_c;
81 bus_addr_t addr;
82 int res, ok = 1;
83
84 if(!BUS_MATCHNAME(ca, "pckbd"))
85 return(0);
86
87 addr = (bus_addr_t)BUS_CVTADDR(ca);
88 if (pckbc_is_console(iot, addr) == 0) {
89 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d))
90 return (0);
91 if (bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) {
92 bus_space_unmap(iot, ioh_d, 1);
93 return (0);
94 }
95
96 /* flush KBC */
97 (void) pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0);
98
99 /* KBC selftest */
100 if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) {
101 ok = 0;
102 goto out;
103 }
104 res = pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0);
105 if (res != 0x55) {
106 printf("kbc selftest: %x\n", res);
107 ok = 0;
108 }
109 out:
110 bus_space_unmap(iot, ioh_d, 1);
111 bus_space_unmap(iot, ioh_c, 1);
112 }
113
114 return (ok);
115 }
116
117 void
118 pckbc_jazzio_attach(parent, self, aux)
119 struct device *parent, *self;
120 void *aux;
121 {
122 struct confargs *ca = aux;
123 struct pckbc_jazzio_softc *jsc = (void *)self;
124 struct pckbc_softc *sc = &jsc->sc_pckbc;
125 struct pckbc_internal *t;
126 bus_space_tag_t iot = &pica_bus;
127 bus_space_handle_t ioh_d, ioh_c;
128 bus_addr_t addr;
129 static struct confargs pms_ca = { "pms", 8, NULL, }; /* XXX */
130
131 sc->intr_establish = pckbc_jazzio_intr_establish;
132
133 /*
134 * To establish interrupt handler
135 *
136 * XXX handcrafting "aux" slot...
137 */
138 pms_ca.ca_bus = ca->ca_bus;
139 jsc->sc_ca[PCKBC_KBD_SLOT] = ca;
140 jsc->sc_ca[PCKBC_AUX_SLOT] = &pms_ca;
141
142 addr = (bus_addr_t)BUS_CVTADDR(ca);
143 if (pckbc_is_console(iot, addr)) {
144 t = &pckbc_consdata;
145 ioh_d = t->t_ioh_d;
146 ioh_c = t->t_ioh_c;
147 pckbc_console_attached = 1;
148 /* t->t_cmdbyte was initialized by cnattach */
149 } else {
150 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d) ||
151 bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c))
152 panic("pckbc_attach: couldn't map");
153
154 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
155 bzero(t, sizeof(struct pckbc_internal));
156 t->t_iot = iot;
157 t->t_ioh_d = ioh_d;
158 t->t_ioh_c = ioh_c;
159 t->t_addr = addr;
160 t->t_cmdbyte = KC8_CPU; /* Enable ports */
161 callout_init(&t->t_cleanup);
162 }
163
164 t->t_sc = sc;
165 sc->id = t;
166
167 printf("\n");
168
169 /* Finish off the attach. */
170 pckbc_attach(sc);
171 }
172
173 void
174 pckbc_jazzio_intr_establish(sc, slot)
175 struct pckbc_softc *sc;
176 pckbc_slot_t slot;
177 {
178 struct pckbc_jazzio_softc *jsc = (void *) sc;
179
180 BUS_INTR_ESTABLISH(jsc->sc_ca[slot], pckbcintr, sc);
181 }
182