1 /* $NetBSD: grfvar.h,v 1.20 1997/08/03 07:17:31 scottr Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah $Hdr: grfvar.h 1.9 91/01/21$ 41 * 42 * @(#)grfvar.h 7.3 (Berkeley) 5/7/91 43 */ 44 45 #define CARD_NAME_LEN 64 46 47 /* 48 * State info, per hardware instance. 49 */ 50 struct grfbus_softc { 51 struct device sc_dev; 52 nubus_slot sc_slot; 53 54 bus_space_tag_t sc_tag; 55 bus_space_handle_t sc_handle; 56 bus_space_handle_t sc_regh; 57 bus_space_handle_t sc_fbh; 58 59 struct grfmode curr_mode; /* hardware desc(for ioctl) */ 60 u_int32_t card_id; /* DrHW value for nubus cards */ 61 bus_size_t cli_offset; /* Offset to clear interrupt */ 62 /* for cards where that's suff. */ 63 u_int32_t cli_value; /* Value to write at cli_offset */ 64 nubus_dir board_dir; /* Nubus dir for curr board */ 65 }; 66 67 /* 68 * State info, per grf instance. 69 */ 70 struct grf_softc { 71 struct device sc_dev; /* device glue */ 72 73 bus_space_tag_t sc_tag; 74 bus_space_handle_t sc_handle; 75 76 int sc_flags; /* driver flags */ 77 78 struct grfmode *sc_grfmode; /* forwarded ... */ 79 nubus_slot *sc_slot; 80 /* mode-change on/off/mode function */ 81 int (*sc_mode) __P((struct grf_softc *, int, void *)); 82 /* find framebuffer physical addr */ 83 caddr_t (*sc_phys) __P((struct grf_softc *)); 84 }; 85 86 /* 87 * Attach grf and ite semantics to Mac video hardware. 88 */ 89 struct grfbus_attach_args { 90 char *ga_name; /* name of semantics to attach */ 91 bus_space_tag_t ga_tag; /* forwarded ... */ 92 bus_space_handle_t ga_handle; 93 struct grfmode *ga_grfmode; 94 nubus_slot *ga_slot; 95 int (*ga_mode) __P((struct grf_softc *, int, void *)); 96 caddr_t (*ga_phys) __P((struct grf_softc *)); 97 }; 98 99 typedef caddr_t (*grf_phys_t) __P((struct grf_softc *gp, vm_offset_t addr)); 100 101 /* flags */ 102 #define GF_ALIVE 0x01 103 #define GF_OPEN 0x02 104 #define GF_EXCLUDE 0x04 105 #define GF_WANTED 0x08 106 #define GF_BSDOPEN 0x10 107 #define GF_HPUXOPEN 0x20 108 109 /* requests to mode routine */ 110 #define GM_GRFON 1 111 #define GM_GRFOFF 2 112 #define GM_CURRMODE 3 113 #define GM_LISTMODES 4 114 #define GM_NEWMODE 5 115 116 /* minor device interpretation */ 117 #define GRFUNIT(d) ((d) & 0x7) 118 119 /* 120 * Nubus image data structure. This is the equivalent of a PixMap in 121 * MacOS programming parlance. One of these structures exists for each 122 * video mode that a quickdraw compatible card can fit in. 123 */ 124 struct image_data { 125 u_int32_t size; 126 u_int32_t offset; 127 u_int16_t rowbytes; 128 u_int16_t top; 129 u_int16_t left; 130 u_int16_t bottom; 131 u_int16_t right; 132 u_int16_t version; 133 u_int16_t packType; 134 u_int32_t packSize; 135 u_int32_t hRes; 136 u_int32_t vRes; 137 u_int16_t pixelType; 138 u_int16_t pixelSize; 139 u_int16_t cmpCount; 140 u_int16_t cmpSize; 141 u_int32_t planeBytes; 142 }; 143 144 #define VID_PARAMS 1 145 #define VID_TABLE_OFFSET 2 146 #define VID_PAGE_CNT 3 147 #define VID_DEV_TYPE 4 148 149 int grfopen __P((dev_t dev, int flag, int mode, struct proc *p)); 150 int grfclose __P((dev_t dev, int flag, int mode, struct proc *p)); 151 int grfioctl __P((dev_t, int, caddr_t, int, struct proc *p)); 152 int grfpoll __P((dev_t dev, int events, struct proc *p)); 153 int grfmmap __P((dev_t dev, int off, int prot)); 154 int grfon __P((dev_t dev)); 155 int grfoff __P((dev_t dev)); 156 int grfaddr __P((struct grf_softc *gp, register int off)); 157 int grfmap __P((dev_t dev, caddr_t *addrp, struct proc *p)); 158 int grfunmap __P((dev_t dev, caddr_t addr, struct proc *p)); 159 160 void grf_establish __P((struct grfbus_softc *, nubus_slot *, 161 int (*)(struct grf_softc *, int, void *), 162 caddr_t (*)(struct grf_softc *))); 163 int grfbusprint __P((void *, const char *)); 164