igsfbvar.h revision 1.3
1 /* $NetBSD: igsfbvar.h,v 1.3 2002/09/24 18:17:25 uwe Exp $ */ 2 3 /* 4 * Copyright (c) 2002 Valeriy E. Ushakov 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * Integraphics Systems IGA 168x and CyberPro series. 32 * Only tested on IGA 1682 in Krups JavaStation-NC. 33 */ 34 #ifndef _DEV_IC_IGSFBVAR_H_ 35 #define _DEV_IC_IGSFBVAR_H_ 36 37 38 #define IGS_CMAP_SIZE 256 /* 256 R/G/B entries */ 39 struct igs_hwcmap { 40 u_int8_t r[IGS_CMAP_SIZE]; 41 u_int8_t g[IGS_CMAP_SIZE]; 42 u_int8_t b[IGS_CMAP_SIZE]; 43 }; 44 45 46 #define IGS_CURSOR_MAX_SIZE 64 /* 64x64 sprite */ 47 struct igs_hwcursor { 48 struct wsdisplay_curpos cc_pos; 49 struct wsdisplay_curpos cc_hot; 50 struct wsdisplay_curpos cc_size; 51 u_int8_t cc_image[512]; /* save copy of image for GCURSOR */ 52 u_int8_t cc_mask[512]; /* save copy of mask for GCURSOR */ 53 u_int16_t cc_sprite[512]; /* sprite in device 2bpp format */ 54 u_int8_t cc_color[6]; /* 2 colors, 3 rgb components */ 55 }; 56 57 58 /* 59 * Precomputed bit tables to convert 1bpp image/mask to 2bpp hw cursor 60 * sprite. For IGSFB_HW_BSWAP attachments they are pre-bswapped as well. 61 */ 62 struct igs_bittab { 63 u_int16_t iexpand[256]; /* image: 0 -> 00, 1 -> 01 */ 64 u_int16_t mexpand[256]; /* mask: 0 -> 00, 1 -> 11 */ 65 }; 66 67 68 struct igsfb_softc { 69 struct device sc_dev; 70 71 /* io registers */ 72 bus_space_tag_t sc_iot; 73 bus_space_handle_t sc_ioh; 74 bus_space_handle_t sc_crtch; 75 76 /* linear memory */ 77 bus_space_tag_t sc_memt; 78 bus_addr_t sc_memaddr; 79 bus_size_t sc_memsz; /* size of linear address space including mmio */ 80 int sc_memflags; 81 82 /* video memory size */ 83 bus_size_t sc_vmemsz; 84 85 /* fb part actually mapped for wsdisplay */ 86 bus_space_handle_t sc_fbh; 87 bus_size_t sc_fbsz; 88 89 /* 1k of cursor sprite data */ 90 bus_space_handle_t sc_crh; 91 92 /* 93 * graphic coprocessor can be accessed either via i/o space 94 * or via memory-mapped i/o access through memory space 95 */ 96 bus_space_tag_t sc_copt; 97 bus_space_handle_t sc_coph; 98 99 /* IGA1682 vs CyberPro 2k (use version num. for finer distinction?) */ 100 int sc_is2k; 101 102 /* flags that control driver operation */ 103 int sc_hwflags; 104 #define IGSFB_HW_BSWAP 0x1 /* endianness mismatch */ 105 106 struct rasops_info *sc_ri; 107 108 struct igs_hwcmap sc_cmap; /* software copy of colormap */ 109 struct igs_hwcursor sc_cursor; /* software copy of cursor sprite */ 110 111 /* precomputed bit tables for cursor sprite 1bpp -> 2bpp conversion */ 112 struct igs_bittab *sc_bittab; 113 114 int nscreens; 115 116 int sc_blanked; /* screen is currently blanked */ 117 int sc_curenb; /* cursor sprite enabled */ 118 }; 119 120 121 /* 122 * Access sugar for indexed registers 123 */ 124 125 static __inline__ u_int8_t 126 igs_idx_read(bus_space_tag_t, bus_space_handle_t, u_int, u_int8_t); 127 static __inline__ void 128 igs_idx_write(bus_space_tag_t, bus_space_handle_t, u_int, u_int8_t, u_int8_t); 129 130 static __inline__ u_int8_t 131 igs_idx_read(t, h, idxport, idx) 132 bus_space_tag_t t; 133 bus_space_handle_t h; 134 u_int idxport; 135 u_int8_t idx; 136 { 137 bus_space_write_1(t, h, idxport, idx); 138 return (bus_space_read_1(t, h, idxport + 1)); 139 } 140 141 static __inline__ void 142 igs_idx_write(t, h, idxport, idx, val) 143 bus_space_tag_t t; 144 bus_space_handle_t h; 145 u_int idxport; 146 u_int8_t idx, val; 147 { 148 bus_space_write_1(t, h, idxport, idx); 149 bus_space_write_1(t, h, idxport + 1, val); 150 } 151 152 153 /* sugar for sequencer controller */ 154 #define igs_seq_read(t,h,x) \ 155 (igs_idx_read((t),(h),IGS_SEQ_IDX,(x))) 156 #define igs_seq_write(t,h,x,v) \ 157 (igs_idx_write((t),(h),IGS_SEQ_IDX,(x),(v))) 158 159 160 /* sugar for CRT controller */ 161 #define igs_crtc_read(t,h,x) \ 162 (igs_idx_read((t),(h),IGS_CRTC_IDX,(x))) 163 #define igs_crtc_write(t,h,x,v) \ 164 (igs_idx_write((t),(h),IGS_CRTC_IDX,(x),(v))) 165 166 167 /* sugar for attribute controller */ 168 #define igs_attr_flip_flop(t,h) \ 169 ((void)bus_space_read_1((t),(h),IGS_INPUT_STATUS1)); 170 #define igs_attr_read(t,h,x) \ 171 (igs_idx_read((t),(h),IGS_ATTR_IDX,(x))) 172 173 static __inline__ void 174 igs_attr_write(bus_space_tag_t, bus_space_handle_t, u_int8_t, u_int8_t); 175 176 static __inline__ void 177 igs_attr_write(t, h, idx, val) 178 bus_space_tag_t t; 179 bus_space_handle_t h; 180 u_int8_t idx, val; 181 { 182 bus_space_write_1(t, h, IGS_ATTR_IDX, idx); 183 bus_space_write_1(t, h, IGS_ATTR_IDX, val); /* sic, same register */ 184 } 185 186 187 /* sugar for graphics controller registers */ 188 #define igs_grfx_read(t,h,x) (igs_idx_read((t),(h),IGS_GRFX_IDX,(x))) 189 #define igs_grfx_write(t,h,x,v) (igs_idx_write((t),(h),IGS_GRFX_IDX,(x),(v))) 190 191 192 /* sugar for extended registers */ 193 #define igs_ext_read(t,h,x) (igs_idx_read((t),(h),IGS_EXT_IDX,(x))) 194 #define igs_ext_write(t,h,x,v) (igs_idx_write((t),(h),IGS_EXT_IDX,(x),(v))) 195 196 197 /* igsfb_subr.c */ 198 int igsfb_enable(bus_space_tag_t); 199 void igsfb_hw_setup(struct igsfb_softc *); 200 void igsfb_1024x768_8bpp_60Hz(struct igsfb_softc *); 201 202 /* igsfb.c */ 203 void igsfb_common_attach(struct igsfb_softc *, int); 204 205 #endif /* _DEV_IC_IGSFBVAR_H_ */ 206
Indexes created Thu Sep 25 16:09:42 GMT 2025