1 /* $NetBSD: pckbc_jensenio.c,v 1.6 2002/10/02 04:06:38 thorpej Exp $ */
2 
3 /*-
4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
40 
41 __KERNEL_RCSID(0, "$NetBSD: pckbc_jensenio.c,v 1.6 2002/10/02 04:06:38 thorpej Exp $");
42 
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/kernel.h>
46 #include <sys/proc.h>
47 #include <sys/device.h>
48 #include <sys/malloc.h>
49 #include <sys/errno.h>
50 #include <sys/queue.h>
51 #include <sys/lock.h>
52 
53 #include <machine/intr.h>
54 #include <machine/bus.h>
55 
56 #include <dev/ic/i8042reg.h>
57 #include <dev/ic/pckbcvar.h>
58 
59 #include <dev/eisa/eisavar.h>
60 
61 #include <dev/isa/isavar.h>
62 
63 #include <alpha/jensenio/jenseniovar.h>
64 
65 struct pckbc_jensenio_intrcookie {
66 	struct pckbc_softc *ic_sc;
67 	struct evcnt ic_ev;
68 	u_long ic_vector;
69 	char ic_vecstr[8];
70 };
71 
72 struct pckbc_jensenio_softc {
73 	struct	pckbc_softc sc_pckbc;	/* real "pckbc" softc */
74 
75 	/* Jensen-specific goo. */
76 	struct pckbc_jensenio_intrcookie sc_ic[PCKBC_NSLOTS];
77 };
78 
79 int	pckbc_jensenio_match(struct device *, struct cfdata *, void *);
80 void	pckbc_jensenio_attach(struct device *, struct device *, void *);
81 
82 CFATTACH_DECL(pckbc_jensenio, sizeof(struct pckbc_jensenio_softc),
83     pckbc_jensenio_match, pckbc_jensenio_attach, NULL, NULL);
84 
85 void	pckbc_jensenio_intr_establish(struct pckbc_softc *, pckbc_slot_t);
86 void	pckbc_jensenio_intr(void *, u_long);
87 
88 int
89 pckbc_jensenio_match(struct device *parent, struct cfdata *match, void *aux)
90 {
91 	struct jensenio_attach_args *ja = aux;
92 
93 	/* Always present. */
94 	if (strcmp(ja->ja_name, match->cf_name) == 0)
95 		return (1);
96 
97 	return (0);
98 }
99 
100 void
101 pckbc_jensenio_attach(struct device *parent, struct device *self, void *aux)
102 {
103 	struct pckbc_jensenio_softc *jsc = (void *)self;
104 	struct pckbc_softc *sc = &jsc->sc_pckbc;
105 	struct jensenio_attach_args *ja = aux;
106 	struct pckbc_internal *t;
107 	bus_space_handle_t ioh_d, ioh_c;
108 
109 	/*
110 	 * Set up IRQs.
111 	 */
112 	jsc->sc_ic[PCKBC_KBD_SLOT].ic_vector = ja->ja_irq[0];
113 	jsc->sc_ic[PCKBC_AUX_SLOT].ic_vector = ja->ja_irq[1];
114 
115 	sc->intr_establish = pckbc_jensenio_intr_establish;
116 
117 	if (pckbc_is_console(ja->ja_iot, ja->ja_ioaddr)) {
118 		t = &pckbc_consdata;
119 		pckbc_console_attached = 1;
120 		/* t->t_cmdbyte was initialized by cnattach */
121 	} else {
122 		if (bus_space_map(ja->ja_iot, ja->ja_ioaddr + KBDATAP,
123 				  1, 0, &ioh_d) != 0 ||
124 		    bus_space_map(ja->ja_iot, ja->ja_ioaddr + KBCMDP,
125 				  1, 0, &ioh_c) != 0)
126 			panic("pckbc_jensenio_attach: couldn't map");
127 
128 		t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
129 		memset(t, 0, sizeof(struct pckbc_internal));
130 		t->t_iot = ja->ja_iot;
131 		t->t_ioh_d = ioh_d;
132 		t->t_ioh_c = ioh_c;
133 		t->t_addr = ja->ja_ioaddr;
134 		t->t_cmdbyte = KC8_CPU; /* Enable ports */
135 	}
136 
137 	t->t_sc = sc;
138 	sc->id = t;
139 
140 	printf("\n");
141 
142 	/* Finish off the attach. */
143 	pckbc_attach(sc);
144 }
145 
146 void
147 pckbc_jensenio_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
148 {
149 	struct pckbc_jensenio_softc *jsc = (void *) sc;
150 
151 	jsc->sc_ic[slot].ic_sc = sc;
152 
153 	scb_set(jsc->sc_ic[slot].ic_vector, pckbc_jensenio_intr,
154 	    &jsc->sc_ic[slot]);
155 	printf("%s: %s slot interrupting at vector 0x%lx\n", sc->sc_dv.dv_xname,
156 	    pckbc_slot_names[slot], jsc->sc_ic[slot].ic_vector);
157 
158 	sprintf(jsc->sc_ic[slot].ic_vecstr, "0x%lx",
159 	    jsc->sc_ic[slot].ic_vector);
160 	evcnt_attach_dynamic(&jsc->sc_ic[slot].ic_ev, EVCNT_TYPE_INTR,
161 	    NULL, "vector", jsc->sc_ic[slot].ic_vecstr);
162 }
163 
164 void
165 pckbc_jensenio_intr(void *arg, u_long vec)
166 {
167 	struct pckbc_jensenio_intrcookie *ic = arg;
168 
169 	ic->ic_ev.ev_count++;
170 	(void) pckbcintr(ic->ic_sc);
171 }
172