1 /* $NetBSD: pccons_jazzio.c,v 1.1 2001/06/13 15:05:46 soda 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 struct cfattach pc_jazzio_ca = { 53 sizeof(struct pc_softc), 54 pccons_jazzio_match, pccons_jazzio_attach, 55 }; 56 57 /* 58 * chipset-dependent pccons configuration 59 */ 60 61 void pccons_jazzio_init __P((void)); 62 63 struct pccons_config pccons_jazzio_conf = { 64 0x3b4, 0xb0000, /* mono: iobase, memaddr */ 65 0x3d4, 0xb8000, /* cga: iobase, memaddr */ 66 PICA_SYS_KBD + 0x61, PICA_SYS_KBD + 0x60, /* kbdc: cmdport, dataport */ 67 pccons_jazzio_init 68 }; 69 70 void 71 pccons_jazzio_init() 72 { 73 /* nothing to do */ 74 } 75 76 int pccons_jazzio_init_tag __P((char*, bus_space_tag_t*,bus_space_tag_t*)); 77 78 int 79 pccons_jazzio_init_tag(name, iotp, memtp) 80 char *name; 81 bus_space_tag_t *iotp, *memtp; 82 { 83 static int initialized = 0; 84 static struct arc_bus_space vga_io, vga_mem; 85 86 if (strcmp(name, "ALI_S3") != 0) 87 return(ENXIO); 88 89 if (!initialized) { 90 initialized = 1; 91 92 arc_bus_space_init(&vga_io, "vga_jazzio_io", 93 PICA_P_LOCAL_VIDEO_CTRL, PICA_V_LOCAL_VIDEO_CTRL, 94 0, PICA_S_LOCAL_VIDEO_CTRL); 95 arc_bus_space_init(&vga_mem, "vga_jazzio_mem", 96 PICA_P_LOCAL_VIDEO, PICA_V_LOCAL_VIDEO, 97 0, PICA_S_LOCAL_VIDEO); 98 99 arc_enter_wired(PICA_V_LOCAL_VIDEO_CTRL, 100 PICA_P_LOCAL_VIDEO_CTRL, 101 PICA_P_LOCAL_VIDEO_CTRL + PICA_S_LOCAL_VIDEO_CTRL/2, 102 MIPS3_PG_SIZE_1M); 103 arc_enter_wired(PICA_V_LOCAL_VIDEO, 104 PICA_P_LOCAL_VIDEO, 105 PICA_P_LOCAL_VIDEO + PICA_S_LOCAL_VIDEO/2, 106 MIPS3_PG_SIZE_4M); 107 #if 0 108 arc_enter_wired(PICA_V_EXTND_VIDEO_CTRL, 109 PICA_P_EXTND_VIDEO_CTRL, 110 PICA_P_EXTND_VIDEO_CTRL + PICA_S_EXTND_VIDEO_CTRL/2, 111 MIPS3_PG_SIZE_1M); 112 #endif 113 } 114 *iotp = &vga_io; 115 *memtp = &vga_mem; 116 return (0); 117 } 118 119 int 120 pccons_jazzio_match(parent, match, aux) 121 struct device *parent; 122 struct cfdata *match; 123 void *aux; 124 { 125 struct jazzio_attach_args *ja = aux; 126 bus_space_tag_t crt_iot, crt_memt; 127 128 if (pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt)) 129 return (0); 130 131 if (!pccons_common_match(crt_iot, crt_memt, ja->ja_bust, 132 &pccons_jazzio_conf)) 133 return (0); 134 135 return (1); 136 } 137 138 void 139 pccons_jazzio_attach(parent, self, aux) 140 struct device *parent, *self; 141 void *aux; 142 { 143 struct pc_softc *sc = (struct pc_softc *)self; 144 struct jazzio_attach_args *ja = aux; 145 bus_space_tag_t crt_iot, crt_memt; 146 147 pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt); 148 jazzio_intr_establish(PCKBD_INTR, pcintr, self); 149 pccons_common_attach(sc, crt_iot, crt_memt, ja->ja_bust, 150 &pccons_jazzio_conf); 151 } 152 153 int 154 pccons_jazzio_cnattach(name, kbd_iot) 155 char *name; 156 bus_space_tag_t kbd_iot; 157 { 158 bus_space_tag_t crt_iot, crt_memt; 159 160 if (pccons_jazzio_init_tag(name, &crt_iot, &crt_memt)) 161 return (ENXIO); 162 pccons_common_cnattach(crt_iot, crt_memt, kbd_iot, 163 &pccons_jazzio_conf); 164 return (0); 165 } 166 167