xref: /netbsd/sys/arch/arc/jazz/pckbc_jazzio.c (revision c4a72b64)
1 /* $NetBSD: pckbc_jazzio.c,v 1.6 2002/10/02 04:59:49 thorpej 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, "pckbd") != 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