1 /* $NetBSD: pckbc_jensenio.c,v 1.12 2014/03/21 16:39:29 christos 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 1.12 2014/03/21 16:39:29 christos 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/malloc.h> 42 #include <sys/errno.h> 43 #include <sys/queue.h> 44 #include <sys/intr.h> 45 #include <sys/bus.h> 46 47 #include <dev/ic/i8042reg.h> 48 #include <dev/ic/pckbcvar.h> 49 50 #include <dev/eisa/eisavar.h> 51 52 #include <dev/isa/isavar.h> 53 54 #include <alpha/jensenio/jenseniovar.h> 55 56 struct pckbc_jensenio_intrcookie { 57 struct pckbc_softc *ic_sc; 58 struct evcnt ic_ev; 59 u_long ic_vector; 60 char ic_vecstr[8]; 61 }; 62 63 struct pckbc_jensenio_softc { 64 struct pckbc_softc sc_pckbc; /* real "pckbc" softc */ 65 66 /* Jensen-specific goo. */ 67 struct pckbc_jensenio_intrcookie sc_ic[PCKBC_NSLOTS]; 68 }; 69 70 int pckbc_jensenio_match(device_t, cfdata_t, void *); 71 void pckbc_jensenio_attach(device_t, device_t, void *); 72 73 CFATTACH_DECL_NEW(pckbc_jensenio, sizeof(struct pckbc_jensenio_softc), 74 pckbc_jensenio_match, pckbc_jensenio_attach, NULL, NULL); 75 76 void pckbc_jensenio_intr_establish(struct pckbc_softc *, pckbc_slot_t); 77 void pckbc_jensenio_intr(void *, u_long); 78 79 int 80 pckbc_jensenio_match(device_t parent, cfdata_t match, void *aux) 81 { 82 struct jensenio_attach_args *ja = aux; 83 84 /* Always present. */ 85 if (strcmp(ja->ja_name, match->cf_name) == 0) 86 return (1); 87 88 return (0); 89 } 90 91 void 92 pckbc_jensenio_attach(device_t parent, device_t self, void *aux) 93 { 94 struct pckbc_jensenio_softc *jsc = device_private(self); 95 struct pckbc_softc *sc = &jsc->sc_pckbc; 96 struct jensenio_attach_args *ja = aux; 97 struct pckbc_internal *t; 98 bus_space_handle_t ioh_d, ioh_c; 99 100 sc->sc_dv = self; 101 102 /* 103 * Set up IRQs. 104 */ 105 jsc->sc_ic[PCKBC_KBD_SLOT].ic_vector = ja->ja_irq[0]; 106 jsc->sc_ic[PCKBC_AUX_SLOT].ic_vector = ja->ja_irq[1]; 107 108 sc->intr_establish = pckbc_jensenio_intr_establish; 109 110 if (pckbc_is_console(ja->ja_iot, ja->ja_ioaddr)) { 111 t = &pckbc_consdata; 112 pckbc_console_attached = 1; 113 /* t->t_cmdbyte was initialized by cnattach */ 114 } else { 115 if (bus_space_map(ja->ja_iot, ja->ja_ioaddr + KBDATAP, 116 1, 0, &ioh_d) != 0 || 117 bus_space_map(ja->ja_iot, ja->ja_ioaddr + KBCMDP, 118 1, 0, &ioh_c) != 0) 119 panic("pckbc_jensenio_attach: couldn't map"); 120 121 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 122 memset(t, 0, sizeof(struct pckbc_internal)); 123 t->t_iot = ja->ja_iot; 124 t->t_ioh_d = ioh_d; 125 t->t_ioh_c = ioh_c; 126 t->t_addr = ja->ja_ioaddr; 127 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 128 } 129 130 t->t_sc = sc; 131 sc->id = t; 132 133 aprint_normal("\n"); 134 135 /* Finish off the attach. */ 136 pckbc_attach(sc); 137 } 138 139 void 140 pckbc_jensenio_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 141 { 142 struct pckbc_jensenio_softc *jsc = (void *) sc; 143 144 jsc->sc_ic[slot].ic_sc = sc; 145 146 scb_set(jsc->sc_ic[slot].ic_vector, pckbc_jensenio_intr, 147 &jsc->sc_ic[slot], IPL_VM); 148 aprint_normal_dev(sc->sc_dv, "%s slot interrupting at vector 0x%lx\n", 149 pckbc_slot_names[slot], jsc->sc_ic[slot].ic_vector); 150 151 snprintf(jsc->sc_ic[slot].ic_vecstr, sizeof(jsc->sc_ic[slot].ic_vecstr), 152 "0x%lx", jsc->sc_ic[slot].ic_vector); 153 evcnt_attach_dynamic(&jsc->sc_ic[slot].ic_ev, EVCNT_TYPE_INTR, 154 NULL, "vector", jsc->sc_ic[slot].ic_vecstr); 155 } 156 157 void 158 pckbc_jensenio_intr(void *arg, u_long vec) 159 { 160 struct pckbc_jensenio_intrcookie *ic = arg; 161 162 ic->ic_ev.ev_count++; 163 (void) pckbcintr(ic->ic_sc); 164 } 165