pckbc_jazzio.c revision 1.7 1 /* $NetBSD: pckbc_jazzio.c,v 1.7 2002/12/28 16:25:39 tsutsui 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/jazz/pica.h>
48 #include <arc/jazz/jazziovar.h>
49
50 #include <dev/ic/i8042reg.h>
51 #include <dev/ic/pckbcvar.h>
52 #include <arc/jazz/pckbc_jazzioreg.h>
53
54 #define PMS_INTR 7 /* XXX - should be obtained from firmware */
55 #define PICA_KBCMDP (PICA_SYS_KBD + JAZZIO_KBCMDP)
56
57 int pckbc_jazzio_match __P((struct device *, struct cfdata *, void *));
58 void pckbc_jazzio_attach __P((struct device *, struct device *, void *));
59 void pckbc_jazzio_intr_establish __P((struct pckbc_softc *, pckbc_slot_t));
60
61 struct pckbc_jazzio_softc {
62 struct pckbc_softc sc_pckbc;
63
64 int sc_intr[PCKBC_NSLOTS];
65 };
66
67 CFATTACH_DECL(pckbc_jazzio, sizeof(struct pckbc_jazzio_softc),
68 pckbc_jazzio_match, pckbc_jazzio_attach, NULL, NULL);
69
70 int
71 pckbc_jazzio_match(parent, match, aux)
72 struct device *parent;
73 struct cfdata *match;
74 void *aux;
75 {
76 struct jazzio_attach_args *ja = aux;
77 bus_space_tag_t iot = ja->ja_bust;
78 bus_space_handle_t ioh_d, ioh_c;
79 bus_addr_t addr = ja->ja_addr;
80 int res, ok = 1;
81
82 if (strcmp(ja->ja_name, "I8742") != 0)
83 return (0);
84
85 if (pckbc_is_console(iot, addr) == 0) {
86 struct pckbc_internal t;
87
88 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d))
89 return (0);
90 if (bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c)) {
91 bus_space_unmap(iot, ioh_d, 1);
92 return (0);
93 }
94
95 memset(&t, 0, sizeof(t));
96 t.t_iot = iot;
97 t.t_ioh_d = ioh_d;
98 t.t_ioh_c = ioh_c;
99
100 /* flush KBC */
101 (void) pckbc_poll_data1(&t, PCKBC_KBD_SLOT, 0);
102
103 /* KBC selftest */
104 if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) {
105 ok = 0;
106 goto out;
107 }
108 res = pckbc_poll_data1(&t, PCKBC_KBD_SLOT, 0);
109 if (res != 0x55) {
110 printf("kbc selftest: %x\n", res);
111 ok = 0;
112 }
113 out:
114 bus_space_unmap(iot, ioh_d, 1);
115 bus_space_unmap(iot, ioh_c, 1);
116 }
117
118 return (ok);
119 }
120
121 void
122 pckbc_jazzio_attach(parent, self, aux)
123 struct device *parent, *self;
124 void *aux;
125 {
126 struct jazzio_attach_args *ja = aux;
127 struct pckbc_jazzio_softc *jsc = (void *)self;
128 struct pckbc_softc *sc = &jsc->sc_pckbc;
129 struct pckbc_internal *t;
130 bus_space_tag_t iot = ja->ja_bust;
131 bus_space_handle_t ioh_d, ioh_c;
132 bus_addr_t addr = ja->ja_addr;
133
134 sc->intr_establish = pckbc_jazzio_intr_establish;
135
136 /*
137 * To establish interrupt handler
138 *
139 * XXX handcrafting "aux" slot...
140 */
141 jsc->sc_intr[PCKBC_KBD_SLOT] = ja->ja_intr;
142 jsc->sc_intr[PCKBC_AUX_SLOT] = PMS_INTR; /* XXX */
143
144 if (pckbc_is_console(iot, addr)) {
145 t = &pckbc_consdata;
146 ioh_d = t->t_ioh_d;
147 ioh_c = t->t_ioh_c;
148 pckbc_console_attached = 1;
149 /* t->t_cmdbyte was initialized by cnattach */
150 } else {
151 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d) ||
152 bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c))
153 panic("pckbc_attach: couldn't map");
154
155 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
156 bzero(t, sizeof(struct pckbc_internal));
157 t->t_iot = iot;
158 t->t_ioh_d = ioh_d;
159 t->t_ioh_c = ioh_c;
160 t->t_addr = addr;
161 t->t_cmdbyte = KC8_CPU; /* Enable ports */
162 callout_init(&t->t_cleanup);
163 }
164
165 t->t_sc = sc;
166 sc->id = t;
167
168 printf("\n");
169
170 /* Finish off the attach. */
171 pckbc_attach(sc);
172 }
173
174 void
175 pckbc_jazzio_intr_establish(sc, slot)
176 struct pckbc_softc *sc;
177 pckbc_slot_t slot;
178 {
179 struct pckbc_jazzio_softc *jsc = (void *) sc;
180
181 jazzio_intr_establish(jsc->sc_intr[slot], pckbcintr, sc);
182 }
183