1 /* $NetBSD: pckbc_hpc.c,v 1.8 2008/01/05 00:31:56 ad Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Christopher SEKIYA 5 * 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the 18 * NetBSD Project. See http://www.NetBSD.org/ for 19 * information about NetBSD. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: pckbc_hpc.c,v 1.8 2008/01/05 00:31:56 ad Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/proc.h> 42 #include <sys/device.h> 43 #include <sys/malloc.h> 44 #include <sys/errno.h> 45 #include <sys/queue.h> 46 #include <sys/bus.h> 47 48 #include <machine/autoconf.h> 49 #include <machine/machtype.h> 50 51 #include <dev/ic/i8042reg.h> 52 #include <dev/ic/pckbcvar.h> 53 54 #include <sgimips/hpc/hpcreg.h> 55 #include <sgimips/hpc/hpcvar.h> 56 57 struct pckbc_hpc_softc { 58 struct pckbc_softc sc_pckbc; 59 60 int sc_irq; 61 int sc_hasintr; 62 }; 63 64 static int pckbc_hpc_match(struct device *, struct cfdata *, void *); 65 static void pckbc_hpc_attach(struct device *, struct device *, void *); 66 static void pckbc_hpc_intr_establish(struct pckbc_softc *, pckbc_slot_t); 67 68 CFATTACH_DECL(pckbc_hpc, sizeof(struct pckbc_hpc_softc), 69 pckbc_hpc_match, pckbc_hpc_attach, NULL, NULL); 70 71 static int 72 pckbc_hpc_match(struct device * parent, struct cfdata * cf, void *aux) 73 { 74 struct hpc_attach_args *ha = aux; 75 76 if (strcmp(ha->ha_name, cf->cf_name) == 0) 77 return (1); 78 79 return (0); 80 } 81 82 static void 83 pckbc_hpc_attach(struct device * parent, struct device * self, void *aux) 84 { 85 struct pckbc_hpc_softc *msc = (void *) self; 86 struct pckbc_softc *sc = &msc->sc_pckbc; 87 struct hpc_attach_args *haa = aux; 88 struct pckbc_internal *t; 89 bus_space_handle_t ioh_d, ioh_c; 90 91 msc->sc_irq = haa->ha_irq; 92 93 msc->sc_hasintr = 0; 94 95 sc->intr_establish = pckbc_hpc_intr_establish; 96 97 /* XXX Ugly hack & kludge XXX */ 98 if (pckbc_is_console(haa->ha_st, MIPS_KSEG1_TO_PHYS(haa->ha_sh + 99 haa->ha_devoff))) { 100 t = &pckbc_consdata; 101 pckbc_console_attached = 1; 102 } else { 103 /* XXX should be bus_space_map() */ 104 if (bus_space_subregion(haa->ha_st, haa->ha_sh, 105 haa->ha_devoff + KBDATAP, 1, &ioh_d) || 106 bus_space_subregion(haa->ha_st, haa->ha_sh, 107 haa->ha_devoff + KBCMDP, 1, &ioh_c)) 108 panic("pckbc_hpc_attach: couldn't map"); 109 110 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, 111 M_WAITOK | M_ZERO); 112 t->t_iot = haa->ha_st; 113 t->t_ioh_d = ioh_d; 114 t->t_ioh_c = ioh_c; 115 t->t_addr = haa->ha_sh; 116 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 117 callout_init(&t->t_cleanup, 0); 118 } 119 120 t->t_sc = sc; 121 sc->id = t; 122 123 printf("\n"); 124 125 /* Finish off the attach. */ 126 pckbc_attach(sc); 127 } 128 129 static void 130 pckbc_hpc_intr_establish(struct pckbc_softc * sc, pckbc_slot_t slot) 131 { 132 struct pckbc_hpc_softc *msc = (void *) sc; 133 134 if (msc->sc_hasintr) 135 return; 136 137 if (cpu_intr_establish(msc->sc_irq, IPL_TTY, pckbcintr, sc) == NULL) { 138 printf("%s: unable to establish interrupt for %s slot\n", 139 sc->sc_dv.dv_xname, pckbc_slot_names[slot]); 140 } else { 141 msc->sc_hasintr = 1; 142 } 143 } 144