1/* $NetBSD: vr4181ip.c,v 1.1.2.3 2004/09/21 13:16:13 skrll Exp $ */
2
3/*-
4 * Copyright (c) 1999, 2002
5 *         Shin Takemura and PocketBSD Project. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the project nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 */
32
33#include <sys/cdefs.h>
34__KERNEL_RCSID(0, "$NetBSD: vr4181ip.c,v 1.1.2.3 2004/09/21 13:16:13 skrll Exp $");
35
36#include "opt_vr41xx.h"
37
38#include <sys/param.h>
39#include <sys/device.h>
40#include <sys/systm.h>
41
42#include <machine/bus.h>
43
44#include <hpcmips/vr/vrcpudef.h>
45#include <hpcmips/vr/vripunit.h>
46#include <hpcmips/vr/vripreg.h>
47#include <hpcmips/vr/vripvar.h>
48#include <hpcmips/vr/vr4181ipvar.h>
49#include <hpcmips/vr/icureg.h>
50#include <hpcmips/vr/cmureg.h>
51
52static void vr4181ipattach(struct device *, struct device *, void *);
53
54CFATTACH_DECL(vr4181ip, sizeof(struct vrip_softc),
55	      vripmatch, vr4181ipattach, NULL, NULL);
56
57static const struct vrip_unit vr4181ip_units[] = {
58	[VRIP_UNIT_RTC] = { "rtc",
59			    { VRIP_INTR_RTCL1,	},		},
60	[VRIP_UNIT_SIU] = { "siu",
61			    { VRIP_INTR_SIU,	},		},
62	[VRIP_UNIT_GIU] = { "giu",
63			    { VRIP_INTR_GIU,	},		},
64	[VRIP_UNIT_ECU] = { "ecu",
65			    { VRIP_INTR_ECU,	},		},
66	[VRIP_UNIT_AIU] = { "aiu",
67			    { VRIP_INTR_DCU81,	},		},
68#if 0
69	[VRIP_UNIT_PMU] = { "pmu",
70			    { VRIP_INTR_POWER,	VRIP_INTR_BAT,	},	},
71	[VRIP_UNIT_PIU] = { "piu",
72			    { VRIP_INTR_PIU, },
73			    CMUMASK_PIU,
74			    ICUPIUINT_REG_W,	MPIUINT_REG_W	},
75	[VRIP_UNIT_KIU] = { "kiu",
76			    { VRIP_INTR_KIU,	},
77			    CMUMASK_KIU,
78			    KIUINT_REG_W,	MKIUINT_REG_W	},
79	[VRIP_UNIT_LED] = { "led",
80			    { VRIP_INTR_LED,	},		},
81	[VRIP_UNIT_AIU] = { "aiu",
82			    { VRIP_INTR_AIU,	},
83			    CMUMASK_AIU,
84			    AIUINT_REG_W,	MAIUINT_REG_W	},
85	[VRIP_UNIT_FIR] = { "fir",
86			    { VRIP_INTR_FIR,	},
87			    CMUMASK_FIR,
88			    FIRINT_REG_W,	MFIRINT_REG_W	},
89	[VRIP_UNIT_DSIU]= { "dsiu",
90			    { VRIP_INTR_DSIU,	},
91			    CMUMASK_DSIU,
92			    DSIUINT_REG_W,	MDSIUINT_REG_W	},
93	[VRIP_UNIT_PCIU]= { "pciu",
94			    { VRIP_INTR_PCI,	},
95			    CMUMASK_PCIU,
96			    PCIINT_REG_W,	MPCIINT_REG_W	},
97	[VRIP_UNIT_SCU] = { "scu",
98			    { VRIP_INTR_SCU,	},
99			    0,
100			    SCUINT_REG_W,	MSCUINT_REG_W	},
101	[VRIP_UNIT_CSI] = { "csi",
102			    { VRIP_INTR_CSI,	},
103			    CMUMASK_CSI,
104			    CSIINT_REG_W,	MCSIINT_REG_W	},
105	[VRIP_UNIT_BCU] = { "bcu",
106			    { VRIP_INTR_BCU,	},
107			    0,
108			    BCUINT_REG_W,	MBCUINT_REG_W	},
109#endif
110};
111
112#define MAXCOMINTR	2
113
114struct vr4181ip_intrhand {
115	int	(*ih_fun)(void *);
116	void	*ih_arg;
117};
118
119static struct vr4181ip_intrhand intrhands[MAXCOMINTR];
120static int			registered = 0;
121
122
123static void
124vr4181ipattach(struct device *parent, struct device *self, void *aux)
125{
126	struct vrip_softc *sc = (struct vrip_softc*) self;
127
128	printf("\n");
129
130	sc->sc_units = vr4181ip_units;
131	sc->sc_nunits = sizeof(vr4181ip_units)/sizeof(struct vrip_unit);
132	sc->sc_icu_addr = VR4181_ICU_ADDR;
133	sc->sc_sysint2 = VR4181_SYSINT2_REG_W;
134	sc->sc_msysint2 = VR4181_MSYSINT2_REG_W;
135
136	vripattach_common(parent, self, aux);
137}
138
139static int
140vr4181ip_comintr(void *arg)
141{
142	struct vr4181ip_intrhand	*ih = arg;
143	int				i;
144
145	for (i = 0; i < MAXCOMINTR; i++) {
146		if (ih[i].ih_fun)
147			ih[i].ih_fun(ih[i].ih_arg);
148	}
149	return 1;
150}
151
152void
153vr4181ip_comintr_establish(vrip_chipset_tag_t vc, int unit, int line,
154			   int level, int (*ih_fun)(void *), void *ih_arg)
155{
156	int	i;
157
158	if (!registered) {
159		if (!vrip_intr_establish(vc, unit, 0, IPL_TTY,
160					 vr4181ip_comintr, intrhands)) {
161			panic("vr4181ip_comintr_establish: "
162			      "can't map interrupt line.");
163		}
164		registered = 1;
165	}
166
167	for (i = 0; i < MAXCOMINTR; i++) {
168		if (intrhands[i].ih_fun == NULL) {
169			intrhands[i].ih_fun = ih_fun;
170			intrhands[i].ih_arg = ih_arg;
171			break;
172		}
173	}
174	if (i >= MAXCOMINTR)
175		panic("too many vr4181 SIU");
176}
177