1 /* $NetBSD: pccons_jazzio.c,v 1.11 2011/07/01 19:25:42 dyoung 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 (at) 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/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: pccons_jazzio.c,v 1.11 2011/07/01 19:25:42 dyoung Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/device.h> 37 #include <uvm/uvm_extern.h> 38 39 #include <machine/autoconf.h> 40 #include <sys/bus.h> 41 #include <machine/wired_map.h> 42 43 #include <mips/pte.h> 44 45 #include <arc/dev/pcconsvar.h> 46 #include <arc/jazz/jazziovar.h> 47 #include <arc/jazz/pica.h> 48 #include <arc/jazz/pccons_jazziovar.h> 49 50 #define PCKBD_INTR 6 /* XXX - should be obtained from firmware */ 51 52 static int pccons_jazzio_match(device_t, cfdata_t, void *); 53 static void pccons_jazzio_attach(device_t, device_t, void *); 54 55 CFATTACH_DECL_NEW(pc_jazzio, sizeof(struct pc_softc), 56 pccons_jazzio_match, pccons_jazzio_attach, NULL, NULL); 57 58 /* 59 * chipset-dependent pccons configuration 60 */ 61 62 static void pccons_jazzio_init(void); 63 64 struct pccons_config pccons_jazzio_conf = { 65 0x3b4, 0xb0000, /* mono: iobase, memaddr */ 66 0x3d4, 0xb8000, /* cga: iobase, memaddr */ 67 PICA_SYS_KBD + 0x61, PICA_SYS_KBD + 0x60, /* kbdc: cmdport, dataport */ 68 pccons_jazzio_init 69 }; 70 71 static void 72 pccons_jazzio_init(void) 73 { 74 75 /* nothing to do */ 76 } 77 78 static int pccons_jazzio_init_tag(const char *, bus_space_tag_t *, 79 bus_space_tag_t *); 80 81 int 82 pccons_jazzio_init_tag(const char *name, bus_space_tag_t *iotp, 83 bus_space_tag_t *memtp) 84 { 85 static int initialized = 0; 86 static struct arc_bus_space vga_io, vga_mem; 87 88 if (strcmp(name, "ALI_S3") != 0) 89 return ENXIO; 90 91 if (!initialized) { 92 initialized = 1; 93 94 arc_bus_space_init(&vga_io, "vga_jazzio_io", 95 PICA_P_LOCAL_VIDEO_CTRL, PICA_V_LOCAL_VIDEO_CTRL, 96 0, PICA_S_LOCAL_VIDEO_CTRL); 97 arc_bus_space_init(&vga_mem, "vga_jazzio_mem", 98 PICA_P_LOCAL_VIDEO, PICA_V_LOCAL_VIDEO, 99 0, PICA_S_LOCAL_VIDEO); 100 101 arc_wired_enter_page( 102 PICA_V_LOCAL_VIDEO_CTRL, 103 PICA_P_LOCAL_VIDEO_CTRL, 104 PICA_S_LOCAL_VIDEO_CTRL / 2); 105 arc_wired_enter_page( 106 PICA_V_LOCAL_VIDEO_CTRL + PICA_S_LOCAL_VIDEO_CTRL / 2, 107 PICA_P_LOCAL_VIDEO_CTRL + PICA_S_LOCAL_VIDEO_CTRL / 2, 108 PICA_S_LOCAL_VIDEO_CTRL / 2); 109 110 arc_wired_enter_page(PICA_V_LOCAL_VIDEO, 111 PICA_P_LOCAL_VIDEO, 112 PICA_S_LOCAL_VIDEO / 2); 113 arc_wired_enter_page( 114 PICA_V_LOCAL_VIDEO + PICA_S_LOCAL_VIDEO / 2, 115 PICA_P_LOCAL_VIDEO + PICA_S_LOCAL_VIDEO / 2, 116 PICA_S_LOCAL_VIDEO / 2); 117 #if 0 118 arc_wired_enter_page(PICA_V_EXTND_VIDEO_CTRL, 119 PICA_P_EXTND_VIDEO_CTRL, 120 PICA_S_EXTND_VIDEO_CTRL / 2); 121 arc_wired_enter_page( 122 PICA_V_EXTND_VIDEO_CTRL + PICA_S_EXTND_VIDEO_CTRL / 2, 123 PICA_P_EXTND_VIDEO_CTRL + PICA_S_EXTND_VIDEO_CTRL / 2, 124 PICA_S_EXTND_VIDEO_CTRL / 2); 125 #endif 126 } 127 *iotp = &vga_io; 128 *memtp = &vga_mem; 129 return 0; 130 } 131 132 static int 133 pccons_jazzio_match(device_t parent, cfdata_t cf, void *aux) 134 { 135 struct jazzio_attach_args *ja = aux; 136 bus_space_tag_t crt_iot, crt_memt; 137 138 if (pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt)) 139 return 0; 140 141 if (!pccons_common_match(crt_iot, crt_memt, ja->ja_bust, 142 &pccons_jazzio_conf)) 143 return 0; 144 145 return 1; 146 } 147 148 static void 149 pccons_jazzio_attach(device_t parent, device_t self, void *aux) 150 { 151 struct pc_softc *sc = device_private(self); 152 struct jazzio_attach_args *ja = aux; 153 bus_space_tag_t crt_iot, crt_memt; 154 155 pccons_jazzio_init_tag(ja->ja_name, &crt_iot, &crt_memt); 156 jazzio_intr_establish(PCKBD_INTR, pcintr, sc); 157 pccons_common_attach(sc, crt_iot, crt_memt, ja->ja_bust, 158 &pccons_jazzio_conf); 159 } 160 161 int 162 pccons_jazzio_cnattach(char *name, bus_space_tag_t kbd_iot) 163 { 164 bus_space_tag_t crt_iot, crt_memt; 165 166 if (pccons_jazzio_init_tag(name, &crt_iot, &crt_memt)) 167 return ENXIO; 168 pccons_common_cnattach(crt_iot, crt_memt, kbd_iot, 169 &pccons_jazzio_conf); 170 return 0; 171 } 172
Indexes created Tue Sep 23 23:09:58 GMT 2025