1 /* $NetBSD: grfvar.h,v 1.31 2012/10/27 17:17:59 chs 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 * State info, per hardware instance. 45 */ 46 struct grfbus_softc { 47 device_t sc_dev; 48 nubus_slot sc_slot; 49 50 bus_addr_t sc_basepa; /* base of video space */ 51 bus_addr_t sc_fbofs; /* offset to framebuffer */ 52 53 bus_space_tag_t sc_tag; 54 bus_space_handle_t sc_handle; 55 bus_space_handle_t sc_regh; 56 57 struct grfmode curr_mode; /* hardware desc(for ioctl) */ 58 u_int32_t card_id; /* DrHW value for nubus cards */ 59 bus_size_t cli_offset; /* Offset to clear interrupt */ 60 /* for cards where that's suff. */ 61 u_int32_t cli_value; /* Value to write at cli_offset */ 62 nubus_dir board_dir; /* Nubus dir for curr board */ 63 }; 64 65 /* 66 * State info, per grf instance. 67 */ 68 struct grf_softc { 69 char sc_xname[15]; /* name of the device */ 70 struct macfb_softc *mfb_sc; 71 }; 72 73 /* 74 * Attach grf and ite semantics to Mac video hardware. 75 */ 76 struct grfbus_attach_args { 77 const char *ga_name; /* name of semantics to attach */ 78 bus_space_tag_t ga_tag; /* forwarded ... */ 79 bus_space_handle_t ga_handle; 80 struct grfmode *ga_grfmode; 81 nubus_slot *ga_slot; 82 bus_addr_t ga_phys; 83 bus_addr_t ga_fboff; 84 int (*ga_mode)(struct grf_softc *, int, void *); 85 }; 86 87 typedef void *(*grf_phys_t)(struct grf_softc *, vaddr_t); 88 89 /* flags */ 90 #define GF_ALIVE 0x01 91 #define GF_OPEN 0x02 92 #define GF_EXCLUDE 0x04 93 #define GF_WANTED 0x08 94 #define GF_BSDOPEN 0x10 95 #define GF_HPUXOPEN 0x20 96 97 /* requests to mode routine */ 98 #define GM_GRFON 1 99 #define GM_GRFOFF 2 100 #define GM_CURRMODE 3 101 #define GM_LISTMODES 4 102 #define GM_NEWMODE 5 103 104 /* minor device interpretation */ 105 #define GRFUNIT(d) (minor(d)) 106 107 /* 108 * Nubus image data structure. This is the equivalent of a PixMap in 109 * MacOS programming parlance. One of these structures exists for each 110 * video mode that a quickdraw compatible card can fit in. 111 */ 112 struct image_data { 113 u_int32_t size; 114 u_int32_t offset; 115 u_int16_t rowbytes; 116 u_int16_t top; 117 u_int16_t left; 118 u_int16_t bottom; 119 u_int16_t right; 120 u_int16_t version; 121 u_int16_t packType; 122 u_int32_t packSize; 123 u_int32_t hRes; 124 u_int32_t vRes; 125 u_int16_t pixelType; 126 u_int16_t pixelSize; 127 u_int16_t cmpCount; 128 u_int16_t cmpSize; 129 u_int32_t planeBytes; 130 }; 131 132 #define VID_PARAMS 1 133 #define VID_TABLE_OFFSET 2 134 #define VID_PAGE_CNT 3 135 #define VID_DEV_TYPE 4 136 137 void grf_attach(struct macfb_softc *, int); 138 139 void grf_establish(struct grfbus_softc *, nubus_slot *, 140 int (*)(struct grf_softc *, int, void *)); 141 int grfbusprint(void *, const char *); 142