pckbc_sableio.c revision 1.7
1 /* $NetBSD: pckbc_sableio.c,v 1.7 2008/03/15 13:23:24 cube 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 1.7 2008/03/15 13:23:24 cube 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/intr.h> 52 #include <sys/bus.h> 53 54 #include <dev/ic/i8042reg.h> 55 #include <dev/ic/pckbcvar.h> 56 57 #include <dev/pci/pcivar.h> 58 #include <dev/isa/isavar.h> 59 60 #include <alpha/sableio/sableiovar.h> 61 62 struct pckbc_sableio_softc { 63 struct pckbc_softc sc_pckbc; /* real "pckbc" softc */ 64 65 /* STDIO-specific goo. */ 66 void *sc_ih[PCKBC_NSLOTS]; /* interrupt handlers */ 67 int sc_irq[PCKBC_NSLOTS]; /* Sable IRQs to use */ 68 pci_chipset_tag_t sc_pc; /* PCI chipset for registering intrs */ 69 }; 70 71 int pckbc_sableio_match(device_t, cfdata_t, void *); 72 void pckbc_sableio_attach(device_t, device_t, void *); 73 74 CFATTACH_DECL_NEW(pckbc_sableio, sizeof(struct pckbc_sableio_softc), 75 pckbc_sableio_match, pckbc_sableio_attach, NULL, NULL); 76 77 void pckbc_sableio_intr_establish(struct pckbc_softc *, pckbc_slot_t); 78 79 int 80 pckbc_sableio_match(device_t parent, cfdata_t match, void *aux) 81 { 82 struct sableio_attach_args *sa = aux; 83 84 /* Always present. */ 85 if (strcmp(sa->sa_name, match->cf_name) == 0) 86 return (1); 87 88 return (0); 89 } 90 91 void 92 pckbc_sableio_attach(device_t parent, device_t self, void *aux) 93 { 94 struct pckbc_sableio_softc *ssc = device_private(self); 95 struct pckbc_softc *sc = &ssc->sc_pckbc; 96 struct sableio_attach_args *sa = aux; 97 struct pckbc_internal *t; 98 bus_space_handle_t ioh_d, ioh_c; 99 100 sc->sc_dv = self; 101 ssc->sc_pc = sa->sa_pc; 102 103 /* 104 * Set up IRQs. 105 */ 106 ssc->sc_irq[PCKBC_KBD_SLOT] = sa->sa_sableirq[0]; 107 ssc->sc_irq[PCKBC_AUX_SLOT] = sa->sa_sableirq[1]; 108 109 sc->intr_establish = pckbc_sableio_intr_establish; 110 111 if (pckbc_is_console(sa->sa_iot, sa->sa_ioaddr)) { 112 t = &pckbc_consdata; 113 pckbc_console_attached = 1; 114 /* t->t_cmdbyte was initialized by cnattach */ 115 } else { 116 if (bus_space_map(sa->sa_iot, sa->sa_ioaddr + KBDATAP, 117 1, 0, &ioh_d) != 0 || 118 bus_space_map(sa->sa_iot, sa->sa_ioaddr + KBCMDP, 119 1, 0, &ioh_c) != 0) 120 panic("pckbc_sableio_attach: couldn't map"); 121 122 t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK); 123 memset(t, 0, sizeof(struct pckbc_internal)); 124 t->t_iot = sa->sa_iot; 125 t->t_ioh_d = ioh_d; 126 t->t_ioh_c = ioh_c; 127 t->t_addr = sa->sa_ioaddr; 128 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 129 } 130 131 t->t_sc = sc; 132 sc->id = t; 133 134 aprint_normal("\n"); 135 136 /* Finish off the attach. */ 137 pckbc_attach(sc); 138 } 139 140 void 141 pckbc_sableio_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 142 { 143 struct pckbc_sableio_softc *ssc = (void *) sc; 144 const char *intrstr; 145 146 intrstr = pci_intr_string(ssc->sc_pc, ssc->sc_irq[slot]); 147 ssc->sc_ih[slot] = pci_intr_establish(ssc->sc_pc, ssc->sc_irq[slot], 148 IPL_TTY, pckbcintr, sc); 149 if (ssc->sc_ih[slot] == NULL) { 150 aprint_error_dev(sc->sc_dv, 151 "unable to establish interrupt for %s slot", 152 pckbc_slot_names[slot]); 153 if (intrstr != NULL) 154 aprint_normal(" at %s", intrstr); 155 aprint_normal("\n"); 156 return; 157 } 158 aprint_normal_dev(sc->sc_dv, "%s slot interrupting at %s\n", 159 pckbc_slot_names[slot], intrstr); 160 } 161
Indexes created Tue Sep 30 11:09:46 GMT 2025