1 /* $NetBSD: igsfbvar.h,v 1.20 2011/07/26 08:59:37 mrg 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 #include <dev/videomode/videomode.h> 37 38 #define IGS_CMAP_SIZE 256 /* 256 R/G/B entries */ 39 struct igs_hwcmap { 40 uint8_t r[IGS_CMAP_SIZE]; 41 uint8_t g[IGS_CMAP_SIZE]; 42 uint8_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 uint8_t cc_image[512]; /* save copy of image for GCURSOR */ 52 uint8_t cc_mask[512]; /* save copy of mask for GCURSOR */ 53 uint16_t cc_sprite[512]; /* sprite in device 2bpp format */ 54 uint8_t cc_color[6]; /* 2 colors, 3 rgb components */ 55 }; 56 57 58 struct igsfb_devconfig { 59 /* io space, may be memory mapped */ 60 bus_space_tag_t dc_iot; 61 bus_addr_t dc_iobase; 62 int dc_ioflags; 63 64 /* io registers */ 65 bus_space_handle_t dc_ioh; 66 67 /* graphic coprocessor */ 68 bus_space_handle_t dc_coph; 69 70 /* linear memory */ 71 bus_space_tag_t dc_memt; 72 bus_addr_t dc_memaddr; 73 bus_size_t dc_memsz; /* size of linear address space including mmio */ 74 int dc_memflags; 75 76 /* video memory size */ 77 bus_size_t dc_vmemsz; 78 79 /* resolution */ 80 int dc_width, dc_height, dc_depth, dc_stride; 81 int dc_maxdepth; 82 const struct videomode *dc_mode; 83 84 char dc_modestring[128]; 85 86 /* part of video memory mapped for wsscreen */ 87 bus_space_handle_t dc_fbh; 88 bus_size_t dc_fbsz; 89 90 /* 1KB of cursor sprite data */ 91 bus_space_handle_t dc_crh; 92 93 /* product id: IGA 168x, CyberPro 2k &c */ 94 int dc_id; 95 96 /* flags that control driver operation */ 97 int dc_hwflags; 98 #define IGSFB_HW_BSWAP 0x1 /* endianness mismatch */ 99 #define IGSFB_HW_BE_SELECT 0x2 /* big endian magic (cyberpro) */ 100 #define IGSFB_HW_TEXT_CURSOR 0x4 /* do text cursor in hardware */ 101 102 /* do we need to do bswap in software? */ 103 #define IGSFB_HW_SOFT_BSWAP(dc) \ 104 ((((dc)->dc_hwflags) & (IGSFB_HW_BSWAP | IGSFB_HW_BE_SELECT)) \ 105 == IGSFB_HW_BSWAP) 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 /* saved dc_ri.ri_ops.putchar */ 112 void (*dc_ri_putchar)(void *, int, int, u_int, long); 113 114 /* optional MD mmap() method */ 115 paddr_t (*dc_mmap)(void *, void *, off_t, int); 116 117 struct igs_hwcmap dc_cmap; /* software copy of colormap */ 118 struct igs_hwcursor dc_cursor; /* software copy of cursor sprite */ 119 120 /* precomputed bit table for cursor sprite 1bpp -> 2bpp conversion */ 121 uint16_t dc_bexpand[256]; 122 123 /* virtual console support */ 124 struct vcons_data dc_vd; 125 struct vcons_screen dc_console; 126 }; 127 128 129 struct igsfb_softc { 130 device_t sc_dev; 131 struct igsfb_devconfig *sc_dc; 132 }; 133 134 135 136 /* 137 * Access sugar for indexed registers 138 */ 139 140 static __inline uint8_t 141 igs_idx_read(bus_space_tag_t, bus_space_handle_t, u_int, uint8_t); 142 static __inline void 143 igs_idx_write(bus_space_tag_t, bus_space_handle_t, u_int, uint8_t, uint8_t); 144 145 static __inline uint8_t 146 igs_idx_read(bus_space_tag_t t, bus_space_handle_t h, 147 u_int idxport, uint8_t idx) 148 { 149 bus_space_write_1(t, h, idxport, idx); 150 return (bus_space_read_1(t, h, idxport + 1)); 151 } 152 153 static __inline void 154 igs_idx_write(bus_space_tag_t t, bus_space_handle_t h, 155 u_int idxport, uint8_t idx, uint8_t val) 156 { 157 bus_space_write_1(t, h, idxport, idx); 158 bus_space_write_1(t, h, idxport + 1, val); 159 } 160 161 162 /* sugar for sequencer controller */ 163 #define igs_seq_read(t,h,x) \ 164 (igs_idx_read((t),(h),IGS_SEQ_IDX,(x))) 165 #define igs_seq_write(t,h,x,v) \ 166 (igs_idx_write((t),(h),IGS_SEQ_IDX,(x),(v))) 167 168 169 /* sugar for CRT controller */ 170 #define igs_crtc_read(t,h,x) \ 171 (igs_idx_read((t),(h),IGS_CRTC_IDX,(x))) 172 #define igs_crtc_write(t,h,x,v) \ 173 (igs_idx_write((t),(h),IGS_CRTC_IDX,(x),(v))) 174 175 176 /* sugar for attribute controller */ 177 #define igs_attr_flip_flop(t,h) \ 178 ((void)bus_space_read_1((t),(h),IGS_INPUT_STATUS1)); 179 #define igs_attr_read(t,h,x) \ 180 (igs_idx_read((t),(h),IGS_ATTR_IDX,(x))) 181 182 static __inline void 183 igs_attr_write(bus_space_tag_t, bus_space_handle_t, uint8_t, uint8_t); 184 185 static __inline void 186 igs_attr_write(bus_space_tag_t t, bus_space_handle_t h, 187 uint8_t idx, uint8_t 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 void igsfb_set_mode(struct igsfb_devconfig *, const struct videomode *, int); 209 210 /* igsfb.c */ 211 int igsfb_cnattach_subr(struct igsfb_devconfig *); 212 void igsfb_attach_subr(struct igsfb_softc *, int); 213 214 215 extern struct igsfb_devconfig igsfb_console_dc; 216 217 #endif /* _DEV_IC_IGSFBVAR_H_ */ 218
Indexes created Sat Sep 20 22:09:52 GMT 2025