igsfbvar.h revision 1.7
1 /* $NetBSD: igsfbvar.h,v 1.7 2003/05/11 03:20:09 uwe Exp $ */ 2 3 /* 4 * Copyright (c) 2002, 2003 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 */ 33 #ifndef _DEV_IC_IGSFBVAR_H_ 34 #define _DEV_IC_IGSFBVAR_H_ 35 36 #define IGS_CMAP_SIZE 256 /* 256 R/G/B entries */ 37 struct igs_hwcmap { 38 u_int8_t r[IGS_CMAP_SIZE]; 39 u_int8_t g[IGS_CMAP_SIZE]; 40 u_int8_t b[IGS_CMAP_SIZE]; 41 }; 42 43 44 #define IGS_CURSOR_MAX_SIZE 64 /* 64x64 sprite */ 45 struct igs_hwcursor { 46 struct wsdisplay_curpos cc_pos; 47 struct wsdisplay_curpos cc_hot; 48 struct wsdisplay_curpos cc_size; 49 u_int8_t cc_image[512]; /* save copy of image for GCURSOR */ 50 u_int8_t cc_mask[512]; /* save copy of mask for GCURSOR */ 51 u_int16_t cc_sprite[512]; /* sprite in device 2bpp format */ 52 u_int8_t cc_color[6]; /* 2 colors, 3 rgb components */ 53 }; 54 55 56 struct igsfb_devconfig { 57 /* io space, may be memory mapped */ 58 bus_space_tag_t dc_iot; 59 bus_addr_t dc_iobase; 60 int dc_ioflags; 61 62 /* io registers */ 63 bus_space_handle_t dc_ioh; 64 65 /* linear memory */ 66 bus_space_tag_t dc_memt; 67 bus_addr_t dc_memaddr; 68 bus_size_t dc_memsz; /* size of linear address space including mmio */ 69 int dc_memflags; 70 71 /* actual video memory size */ 72 bus_size_t dc_vmemsz; 73 74 /* resolution */ 75 int dc_width, dc_height, dc_depth; 76 77 /* part of video memory mapped for wsscreen */ 78 bus_space_handle_t dc_fbh; 79 bus_size_t dc_fbsz; 80 81 /* 1KB of cursor sprite data */ 82 bus_space_handle_t dc_crh; 83 84 /* XXX: notyet 85 * graphic coprocessor can be accessed either via i/o space 86 * or via memory-mapped i/o access through memory space 87 */ 88 bus_space_tag_t dc_copt; 89 bus_space_handle_t dc_coph; 90 91 /* product id: IGA 168x, CyberPro 2k &c */ 92 int dc_id; 93 94 /* flags that control driver operation */ 95 int dc_hwflags; 96 #define IGSFB_HW_BSWAP 0x1 /* endianness mismatch */ 97 #define IGSFB_HW_BE_SELECT 0x2 /* big endian magic (cyberpro) */ 98 #define IGSFB_HW_TEXT_CURSOR 0x4 /* do text cursor in hardware */ 99 100 /* do we need to do bswap in software? */ 101 #define IGSFB_HW_SOFT_BSWAP(dc) \ 102 ((((dc)->dc_hwflags) & (IGSFB_HW_BSWAP | IGSFB_HW_BE_SELECT)) \ 103 == IGSFB_HW_BSWAP) 104 105 int dc_nscreens; /* can do only a single screen */ 106 107 int dc_blanked; /* screen is currently blanked */ 108 int dc_curenb; /* cursor sprite enabled */ 109 int dc_mapped; /* currently in mapped mode */ 110 111 struct rasops_info dc_ri; 112 113 struct igs_hwcmap dc_cmap; /* software copy of colormap */ 114 struct igs_hwcursor dc_cursor; /* software copy of cursor sprite */ 115 116 /* precomputed bit table for cursor sprite 1bpp -> 2bpp conversion */ 117 u_int16_t dc_bexpand[256]; 118 }; 119 120 121 struct igsfb_softc { 122 struct device sc_dev; 123 struct igsfb_devconfig *sc_dc; 124 }; 125 126 127 128 /* 129 * Access sugar for indexed registers 130 */ 131 132 static __inline__ u_int8_t 133 igs_idx_read(bus_space_tag_t, bus_space_handle_t, u_int, u_int8_t); 134 static __inline__ void 135 igs_idx_write(bus_space_tag_t, bus_space_handle_t, u_int, u_int8_t, u_int8_t); 136 137 static __inline__ u_int8_t 138 igs_idx_read(t, h, idxport, idx) 139 bus_space_tag_t t; 140 bus_space_handle_t h; 141 u_int idxport; 142 u_int8_t idx; 143 { 144 bus_space_write_1(t, h, idxport, idx); 145 return (bus_space_read_1(t, h, idxport + 1)); 146 } 147 148 static __inline__ void 149 igs_idx_write(t, h, idxport, idx, val) 150 bus_space_tag_t t; 151 bus_space_handle_t h; 152 u_int idxport; 153 u_int8_t idx, val; 154 { 155 bus_space_write_1(t, h, idxport, idx); 156 bus_space_write_1(t, h, idxport + 1, val); 157 } 158 159 160 /* sugar for sequencer controller */ 161 #define igs_seq_read(t,h,x) \ 162 (igs_idx_read((t),(h),IGS_SEQ_IDX,(x))) 163 #define igs_seq_write(t,h,x,v) \ 164 (igs_idx_write((t),(h),IGS_SEQ_IDX,(x),(v))) 165 166 167 /* sugar for CRT controller */ 168 #define igs_crtc_read(t,h,x) \ 169 (igs_idx_read((t),(h),IGS_CRTC_IDX,(x))) 170 #define igs_crtc_write(t,h,x,v) \ 171 (igs_idx_write((t),(h),IGS_CRTC_IDX,(x),(v))) 172 173 174 /* sugar for attribute controller */ 175 #define igs_attr_flip_flop(t,h) \ 176 ((void)bus_space_read_1((t),(h),IGS_INPUT_STATUS1)); 177 #define igs_attr_read(t,h,x) \ 178 (igs_idx_read((t),(h),IGS_ATTR_IDX,(x))) 179 180 static __inline__ void 181 igs_attr_write(bus_space_tag_t, bus_space_handle_t, u_int8_t, u_int8_t); 182 183 static __inline__ void 184 igs_attr_write(t, h, idx, val) 185 bus_space_tag_t t; 186 bus_space_handle_t h; 187 u_int8_t idx, val; 188 { 189 bus_space_write_1(t, h, IGS_ATTR_IDX, idx); 190 bus_space_write_1(t, h, IGS_ATTR_IDX, val); /* sic, same register */ 191 } 192 193 194 /* sugar for graphics controller registers */ 195 #define igs_grfx_read(t,h,x) (igs_idx_read((t),(h),IGS_GRFX_IDX,(x))) 196 #define igs_grfx_write(t,h,x,v) (igs_idx_write((t),(h),IGS_GRFX_IDX,(x),(v))) 197 198 199 /* sugar for extended registers */ 200 #define igs_ext_read(t,h,x) (igs_idx_read((t),(h),IGS_EXT_IDX,(x))) 201 #define igs_ext_write(t,h,x,v) (igs_idx_write((t),(h),IGS_EXT_IDX,(x),(v))) 202 203 204 /* igsfb_subr.c */ 205 int igsfb_enable(bus_space_tag_t, bus_addr_t, int); 206 void igsfb_hw_setup(struct igsfb_devconfig *); 207 void igsfb_1024x768_8bpp_60Hz(struct igsfb_devconfig *); 208 209 /* igsfb.c */ 210 int igsfb_cnattach_subr(struct igsfb_devconfig *); 211 void igsfb_attach_subr(struct igsfb_softc *, int); 212 213 214 extern struct igsfb_devconfig igsfb_console_dc; 215 216 #endif /* _DEV_IC_IGSFBVAR_H_ */ 217
Indexes created Fri Sep 26 08:10:20 GMT 2025