xref: /netbsd/sys/dev/ofisa/pckbc_ofisa.c (revision bf9ec67e)
1 /* $NetBSD: pckbc_ofisa.c,v 1.3 2002/01/14 13:32:46 tsutsui Exp $ */
2 
3 /*
4  * Copyright (c) 1998
5  *	Matthias Drochner.  All rights reserved.
6  * Copyright (c) 2001
7  *	Matt Thomas.  All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed for the NetBSD Project
20  *	by Matthias Drochner.
21  * 4. The name of the author may not be used to endorse or promote products
22  *    derived from this software without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: pckbc_ofisa.c,v 1.3 2002/01/14 13:32:46 tsutsui Exp $");
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/proc.h>
43 #include <sys/device.h>
44 #include <sys/malloc.h>
45 #include <sys/errno.h>
46 #include <sys/queue.h>
47 #include <sys/lock.h>
48 
49 #include <machine/bus.h>
50 
51 #include <dev/isa/isareg.h>
52 #include <dev/isa/isavar.h>
53 
54 #include <dev/ofw/openfirm.h>
55 #include <dev/ofisa/ofisavar.h>
56 
57 #include <dev/ic/i8042reg.h>
58 #include <dev/ic/pckbcvar.h>
59 
60 static int pckbc_ofisa_match (struct device *, struct cfdata *, void *);
61 static void pckbc_ofisa_attach (struct device *, struct device *, void *);
62 
63 struct pckbc_ofisa_softc {
64 	struct pckbc_softc sc_pckbc;
65 
66 	isa_chipset_tag_t sc_ic;
67 	struct ofisa_intr_desc sc_intr[PCKBC_NSLOTS];
68 };
69 
70 struct cfattach pckbc_ofisa_ca = {
71 	sizeof(struct pckbc_ofisa_softc), pckbc_ofisa_match, pckbc_ofisa_attach,
72 };
73 
74 static void pckbc_ofisa_intr_establish (struct pckbc_softc *, pckbc_slot_t);
75 
76 static const char *kb_compatible_strings[] = { "pnpPNP,303", NULL };
77 static const char *ms_compatible_strings[] = { "pnpPNP,f03", NULL };
78 
79 static int
80 pckbc_ofisa_match(struct device *parent, struct cfdata *match, void *aux)
81 {
82 	struct ofisa_attach_args *aa = aux;
83 	static const char *compatible_strings[] = { "INTC,80c42", NULL };
84 	int rv = 0;
85 
86 	if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1)
87 		rv = 5;
88 
89 	return (rv);
90 }
91 
92 static void
93 pckbc_ofisa_attach(struct device *parent, struct device *self, void *aux)
94 {
95 	struct pckbc_ofisa_softc *osc = (void *)self;
96 	struct pckbc_softc *sc = &osc->sc_pckbc;
97 	struct ofisa_attach_args *aa = aux;
98 	struct pckbc_internal *t;
99 	bus_space_tag_t iot;
100 	bus_space_handle_t ioh_d, ioh_c;
101 	struct ofisa_reg_desc regs[2];
102 	int phandle;
103 	int n;
104 
105 	osc->sc_ic = aa->ic;
106 	iot = aa->iot;
107 
108 	phandle = OF_child(aa->oba.oba_phandle);
109 	while (phandle != 0) {
110 		if (of_compatible(phandle, kb_compatible_strings) != -1) {
111 			ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_KBD_SLOT], 1);
112 		} else if (of_compatible(phandle, ms_compatible_strings) != -1) {
113 			ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_AUX_SLOT], 1);
114 		}
115 		phandle = OF_peer(phandle);
116 	}
117 
118 	sc->intr_establish = pckbc_ofisa_intr_establish;
119 
120 	if (pckbc_is_console(iot, IO_KBD)) {
121 		t = &pckbc_consdata;
122 		ioh_d = t->t_ioh_d;
123 		ioh_c = t->t_ioh_c;
124 		pckbc_console_attached = 1;
125 		/* t->t_cmdbyte was initialized by cnattach */
126 	} else {
127 		n = ofisa_reg_get(aa->oba.oba_phandle, regs, 2);
128 		if (n != 2 || regs[0].type != OFISA_REG_TYPE_IO || regs[1].type != OFISA_REG_TYPE_IO
129 		    || bus_space_map(iot, regs[0].addr, regs[0].len, 0, &ioh_d)
130 		    || bus_space_map(iot, regs[1].addr, regs[1].len, 0, &ioh_c))
131 			panic("pckbc_attach: couldn't map");
132 
133 		t = malloc(sizeof(struct pckbc_internal), M_DEVBUF,
134 		    M_WAITOK|M_ZERO);
135 		t->t_iot = iot;
136 		t->t_ioh_d = ioh_d;
137 		t->t_ioh_c = ioh_c;
138 		t->t_addr = regs[0].addr;
139 		t->t_cmdbyte = KC8_CPU; /* Enable ports */
140 		callout_init(&t->t_cleanup);
141 	}
142 
143 	t->t_sc = sc;
144 	sc->id = t;
145 
146 	printf("\n");
147 
148 	/* Finish off the attach. */
149 	pckbc_attach(sc);
150 }
151 
152 static void
153 pckbc_ofisa_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
154 {
155 	struct pckbc_ofisa_softc *osc = (void *) sc;
156 	void *rv;
157 
158 	rv = isa_intr_establish(osc->sc_ic, osc->sc_intr[slot].irq, osc->sc_intr[slot].share,
159 	    IPL_TTY, pckbcintr, sc);
160 	if (rv == NULL) {
161 		printf("%s: unable to establish interrupt for %s slot\n",
162 		    sc->sc_dv.dv_xname, pckbc_slot_names[slot]);
163 	} else {
164 		printf("%s: using irq %d for %s slot\n", sc->sc_dv.dv_xname,
165 		    osc->sc_intr[slot].irq, pckbc_slot_names[slot]);
166 	}
167 }
168