pckbc_sableio.c revision 1.2
1 /* $NetBSD: pckbc_sableio.c,v 1.2 2001/07/12 23:25:40 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 40 41 __KERNEL_RCSID(0, "$NetBSD: pckbc_sableio.c,v 1.2 2001/07/12 23:25:40 thorpej Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/kernel.h> 46 #include <sys/proc.h> 47 #include <sys/device.h> 48 #include <sys/malloc.h> 49 #include <sys/errno.h> 50 #include <sys/queue.h> 51 #include <sys/lock.h> 52 53 #include <machine/intr.h> 54 #include <machine/bus.h> 55 56 #include <dev/ic/i8042reg.h> 57 #include <dev/ic/pckbcvar.h> 58 59 #include <dev/pci/pcivar.h> 60 #include <dev/isa/isavar.h> 61 62 #include <alpha/sableio/sableiovar.h> 63 64 struct pckbc_sableio_softc { 65 struct pckbc_softc sc_pckbc; /* real "pckbc" softc */ 66 67 /* STDIO-specific goo. */ 68 void *sc_ih[PCKBC_NSLOTS]; /* interrupt handlers */ 69 int sc_irq[PCKBC_NSLOTS]; /* Sable IRQs to use */ 70 pci_chipset_tag_t sc_pc; /* PCI chipset for registering intrs */ 71 }; 72 73 int pckbc_sableio_match(struct device *, struct cfdata *, void *); 74 void pckbc_sableio_attach(struct device *, struct device *, void *); 75 76 struct cfattach pckbc_sableio_ca = { 77 sizeof(struct pckbc_sableio_softc), 78 pckbc_sableio_match, pckbc_sableio_attach 79 }; 80 81 void pckbc_sableio_intr_establish(struct pckbc_softc *, pckbc_slot_t); 82 83 int 84 pckbc_sableio_match(struct device *parent, struct cfdata *match, void *aux) 85 { 86 struct sableio_attach_args *sa = aux; 87 88 /* Always present. */ 89 if (strcmp(sa->sa_name, match->cf_driver->cd_name) == 0) 90 return (1); 91 92 return (0); 93 } 94 95 void 96 pckbc_sableio_attach(struct device *parent, struct device *self, void *aux) 97 { 98 struct pckbc_sableio_softc *ssc = (void *)self; 99 struct pckbc_softc *sc = &ssc->sc_pckbc; 100 struct sableio_attach_args *sa = aux; 101 struct pckbc_internal *t; 102 bus_space_handle_t ioh_d, ioh_c; 103 104 ssc->sc_pc = sa->sa_pc; 105 106 /* 107 * Set up IRQs. 108 */ 109 ssc->sc_irq[PCKBC_KBD_SLOT] = sa->sa_sableirq[0]; 110 ssc->sc_irq[PCKBC_AUX_SLOT] = sa->sa_sableirq[1]; 111 112 sc->intr_establish = pckbc_sableio_intr_establish; 113 114 if (pckbc_is_console(sa->sa_iot, sa->sa_ioaddr)) { 115 t = &pckbc_consdata; 116 pckbc_console_attached = 1; 117 /* t->t_cmdbyte was initialized by cnattach */ 118 } else { 119 if (bus_space_map(sa->sa_iot, sa->sa_ioaddr + KBDATAP, 120 1, 0, &ioh_d) != 0 || 121 bus_space_map(sa->sa_iot, sa->sa_ioaddr + KBCMDP, 122 1, 0, &ioh_c) != 0) 123 panic("pckbc_sableio_attach: couldn't map"); 124 125 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 126 memset(t, 0, sizeof(struct pckbc_internal)); 127 t->t_iot = sa->sa_iot; 128 t->t_ioh_d = ioh_d; 129 t->t_ioh_c = ioh_c; 130 t->t_addr = sa->sa_ioaddr; 131 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 132 } 133 134 t->t_sc = sc; 135 sc->id = t; 136 137 printf("\n"); 138 139 /* Finish off the attach. */ 140 pckbc_attach(sc); 141 } 142 143 void 144 pckbc_sableio_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 145 { 146 struct pckbc_sableio_softc *ssc = (void *) sc; 147 const char *intrstr; 148 149 intrstr = pci_intr_string(ssc->sc_pc, ssc->sc_irq[slot]); 150 ssc->sc_ih[slot] = pci_intr_establish(ssc->sc_pc, ssc->sc_irq[slot], 151 IPL_TTY, pckbcintr, sc); 152 if (ssc->sc_ih[slot] == NULL) { 153 printf("%s: unable to establish interrupt for %s slot", 154 sc->sc_dv.dv_xname, pckbc_slot_names[slot]); 155 if (intrstr != NULL) 156 printf(" at %s", intrstr); 157 printf("\n"); 158 return; 159 } 160 printf("%s: %s slot interrupting at %s\n", sc->sc_dv.dv_xname, 161 pckbc_slot_names[slot], intrstr); 162 } 163
Indexes created Tue Sep 30 07:10:03 GMT 2025