1 /* $NetBSD: pccons_jazzio.c,v 1.3 2002/10/02 04:59:49 thorpej Exp $ */ 2 /* NetBSD: vga_isa.c,v 1.4 2000/08/14 20:14:51 thorpej Exp */ 3 4 /* 5 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 6 * All rights reserved. 7 * 8 * Author: Chris G. Demetriou 9 * 10 * Permission to use, copy, modify and distribute this software and 11 * its documentation is hereby granted, provided that both the copyright 12 * notice and this permission notice appear in all copies of the 13 * software, derivative works or modified versions, and any portions 14 * thereof, and that both notices appear in supporting documentation. 15 * 16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie the 28 * rights to redistribute these changes. 29 */ 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/device.h> 34 #include <uvm/uvm_extern.h> 35 36 #include <machine/autoconf.h> 37 #include <machine/bus.h> 38 39 #include <mips/pte.h> 40 41 #include <arc/arc/wired_map.h> 42 #include <arc/dev/pcconsvar.h> 43 #include <arc/jazz/jazziovar.h> 44 #include <arc/jazz/pica.h> 45 #include <arc/jazz/pccons_jazziovar.h> 46 47 #define PCKBD_INTR 6 /* XXX - should be obtained from firmware */ 48 49 int pccons_jazzio_match __P((struct device *, struct cfdata *, void *)); 50 void pccons_jazzio_attach __P((struct device *, struct device *, void *)); 51 52 CFATTACH_DECL(pc_jazzio, sizeof(struct pc_softc), 53 pccons_jazzio_match, pccons_jazzio_attach, NULL, NULL); 54 55 /* 56 * chipset-dependent pccons configuration 57 */ 58 59 void pccons_jazzio_init __P((void)); 60 61 struct pccons_config pccons_jazzio_conf = { 62 0x3b4, 0xb0000, /* mono: iobase, memaddr */ 63 0x3d4, 0xb8000, /* cga: iobase, memaddr */ 64 PICA_SYS_KBD + 0x61, PICA_SYS_KBD + 0x60, /* kbdc: cmdport, dataport */ 65 pccons_jazzio_init 66 }; 67 68 void 69 pccons_jazzio_init() 70 { 71 /* nothing to do */ 72 } 73 74 int pccons_jazzio_init_tag __P((char*, bus_space_tag_t*,bus_space_tag_t*)); 75 76 int 77 pccons_jazzio_init_tag(name, iotp, memtp) 78 char *name; 79 bus_space_tag_t *iotp, *memtp; 80 { 81 static int initialized = 0; 82 static struct arc_bus_space vga_io, vga_mem; 83 84 if (strcmp(name, "ALI_S3") != 0) 85 return(ENXIO); 86 87 if (!initialized) { 88 initialized = 1; 89 90 arc_bus_space_init(&vga_io, "vga_jazzio_io", 91 PICA_P_LOCAL_VIDEO_CTRL, PICA_V_LOCAL_VIDEO_CTRL, 92 0, PICA_S_LOCAL_VIDEO_CTRL); 93 arc_bus_space_init(&vga_mem, "vga_jazzio_mem", 94 PICA_P_LOCAL_VIDEO, PICA_V_LOCAL_VIDEO, 95 0, PICA_S_LOCAL_VIDEO); 96 97 arc_enter_wired(PICA_V_LOCAL_VIDEO_CTRL, 98 PICA_P_LOCAL_VIDEO_CTRL, 99 PICA_P_LOCAL_VIDEO_CTRL + PICA_S_LOCAL_VIDEO_CTRL/2, 100 MIPS3_PG_SIZE_1M); 101 arc_enter_wired(PICA_V_LOCAL_VIDEO, 102 PICA_P_LOCAL_VIDEO, 103 PICA_P_LOCAL_VIDEO + PICA_S_LOCAL_VIDEO/2, 104 MIPS3_PG_SIZE_4M); 105 #if 0 106 arc_enter_wired(PICA_V_EXTND_VIDEO_CTRL, 107 PICA_P_EXTND_VIDEO_CTRL, 108 PICA_P_EXTND_VIDEO_CTRL + PICA_S_EXTND_VIDEO_CTRL/2, 109 MIPS3_PG_SIZE_1M); 110 #endif 111 } 112 *iotp = &vga_io; 113 *memtp = &vga_mem; 114 return (0); 115 } 116 117 int 118 pccons_jazzio_match(parent, match, aux) 119 struct device *parent; 120 struct cfdata *match; 121 void *aux; 122 { 123 struct jazzio_attach_args *ja = aux; 124 bus_space_tag_t crt_iot, crt_memt; 125 126 if (pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt)) 127 return (0); 128 129 if (!pccons_common_match(crt_iot, crt_memt, ja->ja_bust, 130 &pccons_jazzio_conf)) 131 return (0); 132 133 return (1); 134 } 135 136 void 137 pccons_jazzio_attach(parent, self, aux) 138 struct device *parent, *self; 139 void *aux; 140 { 141 struct pc_softc *sc = (struct pc_softc *)self; 142 struct jazzio_attach_args *ja = aux; 143 bus_space_tag_t crt_iot, crt_memt; 144 145 pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt); 146 jazzio_intr_establish(PCKBD_INTR, pcintr, self); 147 pccons_common_attach(sc, crt_iot, crt_memt, ja->ja_bust, 148 &pccons_jazzio_conf); 149 } 150 151 int 152 pccons_jazzio_cnattach(name, kbd_iot) 153 char *name; 154 bus_space_tag_t kbd_iot; 155 { 156 bus_space_tag_t crt_iot, crt_memt; 157 158 if (pccons_jazzio_init_tag(name, &crt_iot, &crt_memt)) 159 return (ENXIO); 160 pccons_common_cnattach(crt_iot, crt_memt, kbd_iot, 161 &pccons_jazzio_conf); 162 return (0); 163 } 164 165