pckbc_jazzio.c revision 1.3 1 /* $NetBSD: pckbc_jazzio.c,v 1.3 2001/06/13 15:11:38 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/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 struct cfattach pckbc_jazzio_ca = {
68 sizeof(struct pckbc_jazzio_softc),
69 pckbc_jazzio_match, pckbc_jazzio_attach,
70 };
71
72 int
73 pckbc_jazzio_match(parent, match, aux)
74 struct device *parent;
75 struct cfdata *match;
76 void *aux;
77 {
78 struct jazzio_attach_args *ja = aux;
79 bus_space_tag_t iot = ja->ja_bust;
80 bus_space_handle_t ioh_d, ioh_c;
81 bus_addr_t addr = ja->ja_addr;
82 int res, ok = 1;
83
84 if (strcmp(ja->ja_name, "pckbd") != 0)
85 return(0);
86
87 if (pckbc_is_console(iot, addr) == 0) {
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 /* flush KBC */
96 (void) pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0);
97
98 /* KBC selftest */
99 if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0) {
100 ok = 0;
101 goto out;
102 }
103 res = pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0);
104 if (res != 0x55) {
105 printf("kbc selftest: %x\n", res);
106 ok = 0;
107 }
108 out:
109 bus_space_unmap(iot, ioh_d, 1);
110 bus_space_unmap(iot, ioh_c, 1);
111 }
112
113 return (ok);
114 }
115
116 void
117 pckbc_jazzio_attach(parent, self, aux)
118 struct device *parent, *self;
119 void *aux;
120 {
121 struct jazzio_attach_args *ja = aux;
122 struct pckbc_jazzio_softc *jsc = (void *)self;
123 struct pckbc_softc *sc = &jsc->sc_pckbc;
124 struct pckbc_internal *t;
125 bus_space_tag_t iot = ja->ja_bust;
126 bus_space_handle_t ioh_d, ioh_c;
127 bus_addr_t addr = ja->ja_addr;
128
129 sc->intr_establish = pckbc_jazzio_intr_establish;
130
131 /*
132 * To establish interrupt handler
133 *
134 * XXX handcrafting "aux" slot...
135 */
136 jsc->sc_intr[PCKBC_KBD_SLOT] = ja->ja_intr;
137 jsc->sc_intr[PCKBC_AUX_SLOT] = PMS_INTR; /* XXX */
138
139 if (pckbc_is_console(iot, addr)) {
140 t = &pckbc_consdata;
141 ioh_d = t->t_ioh_d;
142 ioh_c = t->t_ioh_c;
143 pckbc_console_attached = 1;
144 /* t->t_cmdbyte was initialized by cnattach */
145 } else {
146 if (bus_space_map(iot, addr + KBDATAP, 1, 0, &ioh_d) ||
147 bus_space_map(iot, PICA_KBCMDP, 1, 0, &ioh_c))
148 panic("pckbc_attach: couldn't map");
149
150 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
151 bzero(t, sizeof(struct pckbc_internal));
152 t->t_iot = iot;
153 t->t_ioh_d = ioh_d;
154 t->t_ioh_c = ioh_c;
155 t->t_addr = addr;
156 t->t_cmdbyte = KC8_CPU; /* Enable ports */
157 callout_init(&t->t_cleanup);
158 }
159
160 t->t_sc = sc;
161 sc->id = t;
162
163 printf("\n");
164
165 /* Finish off the attach. */
166 pckbc_attach(sc);
167 }
168
169 void
170 pckbc_jazzio_intr_establish(sc, slot)
171 struct pckbc_softc *sc;
172 pckbc_slot_t slot;
173 {
174 struct pckbc_jazzio_softc *jsc = (void *) sc;
175
176 jazzio_intr_establish(jsc->sc_intr[slot], pckbcintr, sc);
177 }
178