1 /* $NetBSD: vr4181ip.c,v 1.3 2005/12/11 12:17:34 christos 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 1.3 2005/12/11 12:17:34 christos 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 52 static void vr4181ipattach(struct device *, struct device *, void *); 53 54 CFATTACH_DECL(vr4181ip, sizeof(struct vrip_softc), 55 vripmatch, vr4181ipattach, NULL, NULL); 56 57 static 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 2 113 114 struct vr4181ip_intrhand { 115 int (*ih_fun)(void *); 116 void *ih_arg; 117 }; 118 119 static struct vr4181ip_intrhand intrhands[MAXCOMINTR]; 120 static int registered = 0; 121 122 123 static void 124 vr4181ipattach(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 } 138 139 static int 140 vr4181ip_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 } 151 152 void 153 vr4181ip_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