vga_jazzio.c revision 1.3.2.3
1 1.3.2.3 bouyer /* $NetBSD: vga_jazzio.c,v 1.3.2.3 2001/01/05 17:33:59 bouyer Exp $ */ 2 1.3.2.2 bouyer /* NetBSD: vga_isa.c,v 1.3 1998/06/12 18:45:48 drochner Exp */ 3 1.3.2.2 bouyer 4 1.3.2.2 bouyer /* 5 1.3.2.2 bouyer * Copyright (c) 1995, 1996 Carnegie-Mellon University. 6 1.3.2.2 bouyer * All rights reserved. 7 1.3.2.2 bouyer * 8 1.3.2.2 bouyer * Author: Chris G. Demetriou 9 1.3.2.2 bouyer * 10 1.3.2.2 bouyer * Permission to use, copy, modify and distribute this software and 11 1.3.2.2 bouyer * its documentation is hereby granted, provided that both the copyright 12 1.3.2.2 bouyer * notice and this permission notice appear in all copies of the 13 1.3.2.2 bouyer * software, derivative works or modified versions, and any portions 14 1.3.2.2 bouyer * thereof, and that both notices appear in supporting documentation. 15 1.3.2.2 bouyer * 16 1.3.2.2 bouyer * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 1.3.2.2 bouyer * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 1.3.2.2 bouyer * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 1.3.2.2 bouyer * 20 1.3.2.2 bouyer * Carnegie Mellon requests users of this software to return to 21 1.3.2.2 bouyer * 22 1.3.2.2 bouyer * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 23 1.3.2.2 bouyer * School of Computer Science 24 1.3.2.2 bouyer * Carnegie Mellon University 25 1.3.2.2 bouyer * Pittsburgh PA 15213-3890 26 1.3.2.2 bouyer * 27 1.3.2.2 bouyer * any improvements or extensions that they make and grant Carnegie the 28 1.3.2.2 bouyer * rights to redistribute these changes. 29 1.3.2.2 bouyer */ 30 1.3.2.2 bouyer 31 1.3.2.2 bouyer #include <sys/param.h> 32 1.3.2.2 bouyer #include <sys/systm.h> 33 1.3.2.2 bouyer #include <sys/kernel.h> 34 1.3.2.2 bouyer #include <sys/device.h> 35 1.3.2.2 bouyer #include <sys/malloc.h> 36 1.3.2.2 bouyer 37 1.3.2.2 bouyer #include <machine/autoconf.h> 38 1.3.2.2 bouyer #include <machine/bus.h> 39 1.3.2.2 bouyer 40 1.3.2.2 bouyer #include <dev/ic/mc6845reg.h> 41 1.3.2.2 bouyer #include <dev/ic/pcdisplayvar.h> 42 1.3.2.2 bouyer #include <dev/ic/vgareg.h> 43 1.3.2.2 bouyer #include <dev/ic/vgavar.h> 44 1.3.2.3 bouyer #include <arc/jazz/jazziovar.h> 45 1.3.2.3 bouyer #include <arc/jazz/pica.h> 46 1.3.2.2 bouyer #include <arc/jazz/vga_jazziovar.h> 47 1.3.2.2 bouyer 48 1.3.2.2 bouyer #include <dev/wscons/wsconsio.h> 49 1.3.2.2 bouyer #include <dev/wscons/wsdisplayvar.h> 50 1.3.2.2 bouyer 51 1.3.2.2 bouyer #define WSDISPLAY_TYPE_JAZZVGA WSDISPLAY_TYPE_PCIVGA /* XXX not really */ 52 1.3.2.2 bouyer 53 1.3.2.2 bouyer struct vga_jazzio_softc { 54 1.3.2.2 bouyer struct device sc_dev; 55 1.3.2.2 bouyer #if 0 56 1.3.2.2 bouyer struct vga_config *sc_vc; /* VGA configuration */ 57 1.3.2.2 bouyer #endif 58 1.3.2.2 bouyer }; 59 1.3.2.2 bouyer 60 1.3.2.2 bouyer void vga_jazzio_init_tag __P((bus_space_tag_t *, bus_space_tag_t *)); 61 1.3.2.2 bouyer paddr_t vga_jazzio_mmap __P((void *, off_t, int)); 62 1.3.2.2 bouyer int vga_jazzio_match __P((struct device *, struct cfdata *, void *)); 63 1.3.2.2 bouyer void vga_jazzio_attach __P((struct device *, struct device *, void *)); 64 1.3.2.2 bouyer 65 1.3.2.2 bouyer struct cfattach vga_jazzio_ca = { 66 1.3.2.2 bouyer sizeof(struct vga_jazzio_softc), vga_jazzio_match, vga_jazzio_attach, 67 1.3.2.2 bouyer }; 68 1.3.2.2 bouyer 69 1.3.2.2 bouyer void 70 1.3.2.2 bouyer vga_jazzio_init_tag(iotp, memtp) 71 1.3.2.2 bouyer bus_space_tag_t *iotp, *memtp; 72 1.3.2.2 bouyer { 73 1.3.2.2 bouyer static int initialized = 0; 74 1.3.2.2 bouyer static struct arc_bus_space vga_io, vga_mem; 75 1.3.2.2 bouyer 76 1.3.2.2 bouyer if (!initialized) { 77 1.3.2.2 bouyer initialized = 1; 78 1.3.2.2 bouyer arc_bus_space_init(&vga_io, "vga_jazzio_io", 79 1.3.2.2 bouyer PICA_P_LOCAL_VIDEO_CTRL, PICA_V_LOCAL_VIDEO_CTRL, 80 1.3.2.2 bouyer 0, PICA_S_LOCAL_VIDEO_CTRL); 81 1.3.2.2 bouyer arc_bus_space_init(&vga_mem, "vga_jazzio_mem", 82 1.3.2.2 bouyer PICA_P_LOCAL_VIDEO, PICA_V_LOCAL_VIDEO, 83 1.3.2.2 bouyer 0, PICA_S_LOCAL_VIDEO); 84 1.3.2.2 bouyer } 85 1.3.2.2 bouyer *iotp = &vga_io; 86 1.3.2.2 bouyer *memtp = &vga_mem; 87 1.3.2.2 bouyer } 88 1.3.2.2 bouyer 89 1.3.2.2 bouyer paddr_t 90 1.3.2.2 bouyer vga_jazzio_mmap(v, offset, prot) 91 1.3.2.2 bouyer void *v; 92 1.3.2.2 bouyer off_t offset; 93 1.3.2.2 bouyer int prot; 94 1.3.2.2 bouyer { 95 1.3.2.2 bouyer if (offset >= 0xa0000 && offset < 0xc0000) 96 1.3.2.2 bouyer return mips_btop(PICA_P_LOCAL_VIDEO + offset); 97 1.3.2.2 bouyer if (offset >= 0x0000 && offset < 0x10000) 98 1.3.2.2 bouyer return mips_btop(PICA_P_LOCAL_VIDEO_CTRL + offset); 99 1.3.2.2 bouyer if (offset >= 0x40000000 && offset < 0x40800000) 100 1.3.2.2 bouyer return mips_btop(PICA_P_LOCAL_VIDEO + offset - 0x40000000); 101 1.3.2.2 bouyer return -1; 102 1.3.2.2 bouyer } 103 1.3.2.2 bouyer 104 1.3.2.2 bouyer int 105 1.3.2.2 bouyer vga_jazzio_match(parent, match, aux) 106 1.3.2.2 bouyer struct device *parent; 107 1.3.2.2 bouyer struct cfdata *match; 108 1.3.2.2 bouyer void *aux; 109 1.3.2.2 bouyer { 110 1.3.2.3 bouyer struct jazzio_attach_args *ja = aux; 111 1.3.2.2 bouyer bus_space_tag_t iot, memt; 112 1.3.2.2 bouyer 113 1.3.2.3 bouyer if(strcmp(ja->ja_name, "vga") != 0) 114 1.3.2.2 bouyer return(0); 115 1.3.2.2 bouyer 116 1.3.2.2 bouyer vga_jazzio_init_tag(&iot, &memt); 117 1.3.2.2 bouyer if (!vga_is_console(iot, WSDISPLAY_TYPE_JAZZVGA) && 118 1.3.2.2 bouyer !vga_common_probe(iot, memt)) 119 1.3.2.2 bouyer return (0); 120 1.3.2.2 bouyer 121 1.3.2.2 bouyer return (1); 122 1.3.2.2 bouyer } 123 1.3.2.2 bouyer 124 1.3.2.2 bouyer void 125 1.3.2.2 bouyer vga_jazzio_attach(parent, self, aux) 126 1.3.2.2 bouyer struct device *parent, *self; 127 1.3.2.2 bouyer void *aux; 128 1.3.2.2 bouyer { 129 1.3.2.2 bouyer #if 0 130 1.3.2.2 bouyer struct vga_jazzio_softc *sc = (struct vga_jazzio_softc *)self; 131 1.3.2.2 bouyer #endif 132 1.3.2.2 bouyer bus_space_tag_t iot, memt; 133 1.3.2.2 bouyer 134 1.3.2.2 bouyer printf("\n"); 135 1.3.2.2 bouyer 136 1.3.2.2 bouyer vga_jazzio_init_tag(&iot, &memt); 137 1.3.2.2 bouyer vga_common_attach(self, iot, memt, WSDISPLAY_TYPE_JAZZVGA, 138 1.3.2.2 bouyer vga_jazzio_mmap); 139 1.3.2.2 bouyer } 140 1.3.2.2 bouyer 141 1.3.2.2 bouyer int 142 1.3.2.2 bouyer vga_jazzio_cnattach() 143 1.3.2.2 bouyer { 144 1.3.2.2 bouyer bus_space_tag_t iot, memt; 145 1.3.2.2 bouyer 146 1.3.2.2 bouyer vga_jazzio_init_tag(&iot, &memt); 147 1.3.2.2 bouyer return (vga_cnattach(iot, memt, WSDISPLAY_TYPE_JAZZVGA, 1)); 148 1.3.2.2 bouyer } 149
Indexes created Tue Oct 28 12:10:06 GMT 2025