igsfbvar.h revision 1.9
1 /* $NetBSD: igsfbvar.h,v 1.9 2004/11/26 22:29:36 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 uint8_t r[IGS_CMAP_SIZE]; 39 uint8_t g[IGS_CMAP_SIZE]; 40 uint8_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 uint8_t cc_image[512]; /* save copy of image for GCURSOR */ 50 uint8_t cc_mask[512]; /* save copy of mask for GCURSOR */ 51 uint16_t cc_sprite[512]; /* sprite in device 2bpp format */ 52 uint8_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 /* graphic coprocessor */ 66 bus_space_handle_t dc_coph; 67 68 /* linear memory */ 69 bus_space_tag_t dc_memt; 70 bus_addr_t dc_memaddr; 71 bus_size_t dc_memsz; /* size of linear address space including mmio */ 72 int dc_memflags; 73 74 /* video memory size */ 75 bus_size_t dc_vmemsz; 76 77 /* resolution */ 78 int dc_width, dc_height, dc_depth; 79 80 /* part of video memory mapped for wsscreen */ 81 bus_space_handle_t dc_fbh; 82 bus_size_t dc_fbsz; 83 84 /* 1KB of cursor sprite data */ 85 bus_space_handle_t dc_crh; 86 87 /* product id: IGA 168x, CyberPro 2k &c */ 88 int dc_id; 89 90 /* flags that control driver operation */ 91 int dc_hwflags; 92 #define IGSFB_HW_BSWAP 0x1 /* endianness mismatch */ 93 #define IGSFB_HW_BE_SELECT 0x2 /* big endian magic (cyberpro) */ 94 #define IGSFB_HW_TEXT_CURSOR 0x4 /* do text cursor in hardware */ 95 96 /* do we need to do bswap in software? */ 97 #define IGSFB_HW_SOFT_BSWAP(dc) \ 98 ((((dc)->dc_hwflags) & (IGSFB_HW_BSWAP | IGSFB_HW_BE_SELECT)) \ 99 == IGSFB_HW_BSWAP) 100 101 int dc_nscreens; /* can do only a single screen */ 102 103 int dc_blanked; /* screen is currently blanked */ 104 int dc_curenb; /* cursor sprite enabled */ 105 int dc_mapped; /* currently in mapped mode */ 106 107 struct rasops_info dc_ri; 108 109 /* saved dc_ri.ri_ops.putchar */ 110 void (*dc_ri_putchar)(void *, int, int, u_int, long); 111 112 struct igs_hwcmap dc_cmap; /* software copy of colormap */ 113 struct igs_hwcursor dc_cursor; /* software copy of cursor sprite */ 114 115 /* precomputed bit table for cursor sprite 1bpp -> 2bpp conversion */ 116 uint16_t dc_bexpand[256]; 117 }; 118 119 120 struct igsfb_softc { 121 struct device sc_dev; 122 struct igsfb_devconfig *sc_dc; 123 }; 124 125 126 127 /* 128 * Access sugar for indexed registers 129 */ 130 131 static __inline__ uint8_t 132 igs_idx_read(bus_space_tag_t, bus_space_handle_t, u_int, uint8_t); 133 static __inline__ void 134 igs_idx_write(bus_space_tag_t, bus_space_handle_t, u_int, uint8_t, uint8_t); 135 136 static __inline__ uint8_t 137 igs_idx_read(t, h, idxport, idx) 138 bus_space_tag_t t; 139 bus_space_handle_t h; 140 u_int idxport; 141 uint8_t idx; 142 { 143 bus_space_write_1(t, h, idxport, idx); 144 return (bus_space_read_1(t, h, idxport + 1)); 145 } 146 147 static __inline__ void 148 igs_idx_write(t, h, idxport, idx, val) 149 bus_space_tag_t t; 150 bus_space_handle_t h; 151 u_int idxport; 152 uint8_t idx, val; 153 { 154 bus_space_write_1(t, h, idxport, idx); 155 bus_space_write_1(t, h, idxport + 1, val); 156 } 157 158 159 /* sugar for sequencer controller */ 160 #define igs_seq_read(t,h,x) \ 161 (igs_idx_read((t),(h),IGS_SEQ_IDX,(x))) 162 #define igs_seq_write(t,h,x,v) \ 163 (igs_idx_write((t),(h),IGS_SEQ_IDX,(x),(v))) 164 165 166 /* sugar for CRT controller */ 167 #define igs_crtc_read(t,h,x) \ 168 (igs_idx_read((t),(h),IGS_CRTC_IDX,(x))) 169 #define igs_crtc_write(t,h,x,v) \ 170 (igs_idx_write((t),(h),IGS_CRTC_IDX,(x),(v))) 171 172 173 /* sugar for attribute controller */ 174 #define igs_attr_flip_flop(t,h) \ 175 ((void)bus_space_read_1((t),(h),IGS_INPUT_STATUS1)); 176 #define igs_attr_read(t,h,x) \ 177 (igs_idx_read((t),(h),IGS_ATTR_IDX,(x))) 178 179 static __inline__ void 180 igs_attr_write(bus_space_tag_t, bus_space_handle_t, uint8_t, uint8_t); 181 182 static __inline__ void 183 igs_attr_write(t, h, idx, val) 184 bus_space_tag_t t; 185 bus_space_handle_t h; 186 uint8_t idx, val; 187 { 188 bus_space_write_1(t, h, IGS_ATTR_IDX, idx); 189 bus_space_write_1(t, h, IGS_ATTR_IDX, val); /* sic, same register */ 190 } 191 192 193 /* sugar for graphics controller registers */ 194 #define igs_grfx_read(t,h,x) (igs_idx_read((t),(h),IGS_GRFX_IDX,(x))) 195 #define igs_grfx_write(t,h,x,v) (igs_idx_write((t),(h),IGS_GRFX_IDX,(x),(v))) 196 197 198 /* sugar for extended registers */ 199 #define igs_ext_read(t,h,x) (igs_idx_read((t),(h),IGS_EXT_IDX,(x))) 200 #define igs_ext_write(t,h,x,v) (igs_idx_write((t),(h),IGS_EXT_IDX,(x),(v))) 201 202 203 /* igsfb_subr.c */ 204 int igsfb_enable(bus_space_tag_t, bus_addr_t, int); 205 void igsfb_hw_setup(struct igsfb_devconfig *); 206 void igsfb_1024x768_8bpp_60Hz(struct igsfb_devconfig *); 207 208 /* igsfb.c */ 209 int igsfb_cnattach_subr(struct igsfb_devconfig *); 210 void igsfb_attach_subr(struct igsfb_softc *, int); 211 212 213 extern struct igsfb_devconfig igsfb_console_dc; 214 215 #endif /* _DEV_IC_IGSFBVAR_H_ */ 216
Indexes created Thu Sep 25 16:09:42 GMT 2025