1 /* $NetBSD: pckbc_sableio.c,v 1.15 2021/05/07 16:58:34 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 * 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_sableio.c,v 1.15 2021/05/07 16:58:34 thorpej 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/kmem.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/pci/pcivar.h> 51 #include <dev/isa/isavar.h> 52 53 #include <alpha/sableio/sableiovar.h> 54 55 struct pckbc_sableio_softc { 56 struct pckbc_softc sc_pckbc; /* real "pckbc" softc */ 57 58 /* STDIO-specific goo. */ 59 void *sc_ih[PCKBC_NSLOTS]; /* interrupt handlers */ 60 int sc_irq[PCKBC_NSLOTS]; /* Sable IRQs to use */ 61 pci_chipset_tag_t sc_pc; /* PCI chipset for registering intrs */ 62 }; 63 64 static int pckbc_sableio_match(device_t, cfdata_t, void *); 65 static void pckbc_sableio_attach(device_t, device_t, void *); 66 67 CFATTACH_DECL_NEW(pckbc_sableio, sizeof(struct pckbc_sableio_softc), 68 pckbc_sableio_match, pckbc_sableio_attach, NULL, NULL); 69 70 static void pckbc_sableio_intr_establish(struct pckbc_softc *, 71 pckbc_slot_t); 72 73 static int 74 pckbc_sableio_match(device_t parent, cfdata_t match, void *aux) 75 { 76 struct sableio_attach_args *sa = aux; 77 78 /* Always present. */ 79 if (strcmp(sa->sa_name, match->cf_name) == 0) 80 return (1); 81 82 return (0); 83 } 84 85 static void 86 pckbc_sableio_attach(device_t parent, device_t self, void *aux) 87 { 88 struct pckbc_sableio_softc *ssc = device_private(self); 89 struct pckbc_softc *sc = &ssc->sc_pckbc; 90 struct sableio_attach_args *sa = aux; 91 struct pckbc_internal *t; 92 bus_space_handle_t ioh_d, ioh_c; 93 94 sc->sc_dv = self; 95 ssc->sc_pc = sa->sa_pc; 96 97 /* 98 * Set up IRQs. 99 */ 100 ssc->sc_irq[PCKBC_KBD_SLOT] = sa->sa_sableirq[0]; 101 ssc->sc_irq[PCKBC_AUX_SLOT] = sa->sa_sableirq[1]; 102 103 sc->intr_establish = pckbc_sableio_intr_establish; 104 105 if (pckbc_is_console(sa->sa_iot, sa->sa_ioaddr)) { 106 t = &pckbc_consdata; 107 pckbc_console_attached = 1; 108 /* t->t_cmdbyte was initialized by cnattach */ 109 } else { 110 if (bus_space_map(sa->sa_iot, sa->sa_ioaddr + KBDATAP, 111 1, 0, &ioh_d) != 0 || 112 bus_space_map(sa->sa_iot, sa->sa_ioaddr + KBCMDP, 113 1, 0, &ioh_c) != 0) 114 panic("pckbc_sableio_attach: couldn't map"); 115 116 t = kmem_zalloc(sizeof(struct pckbc_internal), KM_SLEEP); 117 t->t_iot = sa->sa_iot; 118 t->t_ioh_d = ioh_d; 119 t->t_ioh_c = ioh_c; 120 t->t_addr = sa->sa_ioaddr; 121 t->t_cmdbyte = KC8_CPU; /* Enable ports */ 122 } 123 124 t->t_sc = sc; 125 sc->id = t; 126 127 aprint_normal("\n"); 128 129 /* Finish off the attach. */ 130 pckbc_attach(sc); 131 } 132 133 static void 134 pckbc_sableio_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot) 135 { 136 struct pckbc_sableio_softc *ssc = (void *) sc; 137 const char *intrstr; 138 char buf[PCI_INTRSTR_LEN]; 139 pci_intr_handle_t ih; 140 141 alpha_pci_intr_handle_init(&ih, ssc->sc_irq[slot], 0); 142 143 intrstr = pci_intr_string(ssc->sc_pc, ih, buf, 144 sizeof(buf)); 145 ssc->sc_ih[slot] = pci_intr_establish(ssc->sc_pc, ih, 146 IPL_TTY, pckbcintr, sc); 147 if (ssc->sc_ih[slot] == NULL) { 148 aprint_error_dev(sc->sc_dv, 149 "unable to establish interrupt for %s slot", 150 pckbc_slot_names[slot]); 151 if (intrstr != NULL) 152 aprint_error(" at %s", intrstr); 153 aprint_error("\n"); 154 return; 155 } 156 aprint_normal_dev(sc->sc_dv, "%s slot interrupting at %s\n", 157 pckbc_slot_names[slot], intrstr); 158 } 159
Indexes created Thu Sep 25 16:09:42 GMT 2025