1 /* $NetBSD: opms_isa.c,v 1.6 2004/09/14 20:32:48 drochner Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #include <sys/cdefs.h> 31 __KERNEL_RCSID(0, "$NetBSD: opms_isa.c,v 1.6 2004/09/14 20:32:48 drochner Exp $"); 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/tty.h> 36 #include <sys/device.h> 37 38 #include <machine/bus.h> 39 40 #include <dev/isa/isareg.h> 41 #include <dev/isa/isavar.h> 42 43 #include <arc/dev/pcconsvar.h> 44 #include <arc/dev/opmsvar.h> 45 46 int opms_isa_match __P((struct device *, struct cfdata *, void *)); 47 void opms_isa_attach __P((struct device *, struct device *, void *)); 48 49 CFATTACH_DECL(opms_isa, sizeof(struct opms_softc), 50 opms_isa_match, opms_isa_attach, NULL, NULL); 51 52 struct pccons_config *pccons_isa_conf; /* share stroage with pccons_isa.c */ 53 54 int 55 opms_isa_match(parent, match, aux) 56 struct device *parent; 57 struct cfdata *match; 58 void *aux; 59 { 60 struct isa_attach_args *ia = aux; 61 bus_addr_t iobase = IO_KBD; 62 bus_size_t iosize = IO_KBDSIZE; 63 int irq = 12; 64 65 if (ia->ia_nio < 1) 66 return (0); 67 if (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT) 68 iobase = ia->ia_io[0].ir_addr; 69 #if 0 /* XXX isa.c */ 70 if (ia->ia_iosize != 0) 71 iosize = ia->ia_iosize; 72 #endif 73 if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ) 74 irq = ia->ia_irq[0].ir_irq; 75 76 #if 0 77 /* If values are hardwired to something that they can't be, punt. */ 78 if (iobase != IO_KBD || iosize != IO_KBDSIZE || 79 ia->ia_maddr != MADDRUNK || ia->ia_msize != 0 || 80 ia->ia_irq != 1 || ia->ia_drq != DRQUNK) 81 return (0); 82 #endif 83 84 if (pccons_isa_conf == NULL) 85 return (0); 86 87 if (!opms_common_match(ia->ia_iot, pccons_isa_conf)) 88 return (0); 89 90 ia->ia_nio = 1; 91 ia->ia_io[0].ir_addr = iobase; 92 ia->ia_io[0].ir_size = iosize; 93 94 ia->ia_nirq = 1; 95 ia->ia_irq[0].ir_irq = irq; 96 97 ia->ia_niomem = 0; 98 ia->ia_ndrq = 0; 99 100 return (1); 101 } 102 103 void 104 opms_isa_attach(parent, self, aux) 105 struct device *parent, *self; 106 void *aux; 107 { 108 struct opms_softc *sc = (struct opms_softc *)self; 109 struct isa_attach_args *ia = aux; 110 111 printf("\n"); 112 113 isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, IST_EDGE, IPL_TTY, 114 pcintr, self); 115 opms_common_attach(sc, ia->ia_iot, pccons_isa_conf); 116 } 117