xref: /netbsd-src/sys/arch/alpha/jensenio/pckbc_jensenio.c (revision b7b2b8a3d89bfee25ca9324638c59a92666e2e4e)
1 /* $NetBSD: pckbc_jensenio.c,v 1.16 2021/05/07 16:58:34 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
33 
34 __KERNEL_RCSID(0, "$NetBSD: pckbc_jensenio.c,v 1.16 2021/05/07 16:58:34 thorpej Exp $");
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/proc.h>
40 #include <sys/device.h>
41 #include <sys/kmem.h>
42 #include <sys/errno.h>
43 #include <sys/queue.h>
44 #include <sys/intr.h>
45 #include <sys/bus.h>
46 #include <sys/cpu.h>
47 
48 #include <dev/ic/i8042reg.h>
49 #include <dev/ic/pckbcvar.h>
50 
51 #include <dev/eisa/eisavar.h>
52 
53 #include <dev/isa/isavar.h>
54 
55 #include <alpha/jensenio/jenseniovar.h>
56 
57 struct pckbc_jensenio_softc {
58 	struct	pckbc_softc sc_pckbc;	/* real "pckbc" softc */
59 
60 	/* Jensen-specific goo. */
61 	struct jensenio_scb_intrhand sc_jih[PCKBC_NSLOTS];
62 };
63 
64 static int	pckbc_jensenio_match(device_t, cfdata_t, void *);
65 static void	pckbc_jensenio_attach(device_t, device_t, void *);
66 
67 CFATTACH_DECL_NEW(pckbc_jensenio, sizeof(struct pckbc_jensenio_softc),
68     pckbc_jensenio_match, pckbc_jensenio_attach, NULL, NULL);
69 
70 static void	pckbc_jensenio_intr_establish(struct pckbc_softc *,
71 		    pckbc_slot_t);
72 
73 static int
pckbc_jensenio_match(device_t parent,cfdata_t match,void * aux)74 pckbc_jensenio_match(device_t parent, cfdata_t match, void *aux)
75 {
76 	struct jensenio_attach_args *ja = aux;
77 
78 	/* Always present. */
79 	if (strcmp(ja->ja_name, match->cf_name) == 0)
80 		return (1);
81 
82 	return (0);
83 }
84 
85 static void
pckbc_jensenio_attach(device_t parent,device_t self,void * aux)86 pckbc_jensenio_attach(device_t parent, device_t self, void *aux)
87 {
88 	struct pckbc_jensenio_softc *jsc = device_private(self);
89 	struct pckbc_softc *sc = &jsc->sc_pckbc;
90 	struct jensenio_attach_args *ja = aux;
91 	struct pckbc_internal *t;
92 	bus_space_handle_t ioh_d, ioh_c;
93 
94 	sc->sc_dv = self;
95 
96 	/*
97 	 * Set up IRQs.
98 	 */
99 	jsc->sc_jih[PCKBC_KBD_SLOT].jih_vec = ja->ja_irq[0];
100 	jsc->sc_jih[PCKBC_AUX_SLOT].jih_vec = ja->ja_irq[1];
101 
102 	sc->intr_establish = pckbc_jensenio_intr_establish;
103 
104 	if (pckbc_is_console(ja->ja_iot, ja->ja_ioaddr)) {
105 		t = &pckbc_consdata;
106 		pckbc_console_attached = 1;
107 		/* t->t_cmdbyte was initialized by cnattach */
108 	} else {
109 		if (bus_space_map(ja->ja_iot, ja->ja_ioaddr + KBDATAP,
110 				  1, 0, &ioh_d) != 0 ||
111 		    bus_space_map(ja->ja_iot, ja->ja_ioaddr + KBCMDP,
112 				  1, 0, &ioh_c) != 0)
113 			panic("pckbc_jensenio_attach: couldn't map");
114 
115 		t = kmem_zalloc(sizeof(struct pckbc_internal), KM_SLEEP);
116 		t->t_iot = ja->ja_iot;
117 		t->t_ioh_d = ioh_d;
118 		t->t_ioh_c = ioh_c;
119 		t->t_addr = ja->ja_ioaddr;
120 		t->t_cmdbyte = KC8_CPU; /* Enable ports */
121 	}
122 
123 	t->t_sc = sc;
124 	sc->id = t;
125 
126 	aprint_normal("\n");
127 
128 	/* Finish off the attach. */
129 	pckbc_attach(sc);
130 }
131 
132 static void
pckbc_jensenio_intr_establish(struct pckbc_softc * sc,pckbc_slot_t slot)133 pckbc_jensenio_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
134 {
135 	struct pckbc_jensenio_softc *jsc = (void *) sc;
136 
137 	jensenio_intr_establish(&jsc->sc_jih[slot],
138 	    jsc->sc_jih[slot].jih_vec, 0, pckbcintr, sc);
139 
140 	aprint_normal_dev(sc->sc_dv, "%s slot interrupting at vector 0x%lx\n",
141 	    pckbc_slot_names[slot], jsc->sc_jih[slot].jih_vec);
142 }
143