1 /* $NetBSD: grfvar.h,v 1.32 2019/07/26 10:48:44 rin 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. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah $Hdr: grfvar.h 1.9 91/01/21$ 37 * 38 * @(#)grfvar.h 7.3 (Berkeley) 5/7/91 39 */ 40 41 #define CARD_NAME_LEN 64 42 43 /* 44 * Color map, required for DAFB to support genfb(4). 45 */ 46 struct grfbus_cmap { 47 uint8_t *red; 48 uint8_t *green; 49 uint8_t *blue; 50 }; 51 52 /* 53 * State info, per hardware instance. 54 */ 55 struct grfbus_softc { 56 device_t sc_dev; 57 nubus_slot sc_slot; 58 59 bus_addr_t sc_basepa; /* base of video space */ 60 bus_addr_t sc_fbofs; /* offset to framebuffer */ 61 62 bus_space_tag_t sc_tag; 63 bus_space_handle_t sc_handle; 64 bus_space_handle_t sc_regh; 65 66 struct grfmode curr_mode; /* hardware desc(for ioctl) */ 67 u_int32_t card_id; /* DrHW value for nubus cards */ 68 bus_size_t cli_offset; /* Offset to clear interrupt */ 69 /* for cards where that's suff. */ 70 u_int32_t cli_value; /* Value to write at cli_offset */ 71 nubus_dir board_dir; /* Nubus dir for curr board */ 72 73 bus_space_handle_t sc_cmh; 74 void (*sc_set_mapreg)(void *, int, int, int, int); 75 struct grfbus_cmap sc_cmap; 76 }; 77 78 /* 79 * State info, per grf instance. 80 */ 81 struct grf_softc { 82 char sc_xname[15]; /* name of the device */ 83 struct macfb_softc *mfb_sc; 84 }; 85 86 /* 87 * Attach grf and ite semantics to Mac video hardware. 88 */ 89 struct grfbus_attach_args { 90 const 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 bus_addr_t ga_phys; 96 bus_addr_t ga_fboff; 97 int (*ga_mode)(struct grf_softc *, int, void *); 98 void (*ga_set_mapreg)(void *, int, int, int, int); 99 struct grfbus_softc *ga_parent; 100 }; 101 102 typedef void *(*grf_phys_t)(struct grf_softc *, vaddr_t); 103 104 /* flags */ 105 #define GF_ALIVE 0x01 106 #define GF_OPEN 0x02 107 #define GF_EXCLUDE 0x04 108 #define GF_WANTED 0x08 109 #define GF_BSDOPEN 0x10 110 #define GF_HPUXOPEN 0x20 111 112 /* requests to mode routine */ 113 #define GM_GRFON 1 114 #define GM_GRFOFF 2 115 #define GM_CURRMODE 3 116 #define GM_LISTMODES 4 117 #define GM_NEWMODE 5 118 119 /* minor device interpretation */ 120 #define GRFUNIT(d) (minor(d)) 121 122 /* 123 * Nubus image data structure. This is the equivalent of a PixMap in 124 * MacOS programming parlance. One of these structures exists for each 125 * video mode that a quickdraw compatible card can fit in. 126 */ 127 struct image_data { 128 u_int32_t size; 129 u_int32_t offset; 130 u_int16_t rowbytes; 131 u_int16_t top; 132 u_int16_t left; 133 u_int16_t bottom; 134 u_int16_t right; 135 u_int16_t version; 136 u_int16_t packType; 137 u_int32_t packSize; 138 u_int32_t hRes; 139 u_int32_t vRes; 140 u_int16_t pixelType; 141 u_int16_t pixelSize; 142 u_int16_t cmpCount; 143 u_int16_t cmpSize; 144 u_int32_t planeBytes; 145 }; 146 147 #define VID_PARAMS 1 148 #define VID_TABLE_OFFSET 2 149 #define VID_PAGE_CNT 3 150 #define VID_DEV_TYPE 4 151 152 void grf_attach(struct macfb_softc *, int); 153 154 void grf_establish(struct grfbus_softc *, nubus_slot *, 155 int (*)(struct grf_softc *, int, void *)); 156 int grfbusprint(void *, const char *); 157