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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | /* * linux/drivers/video/cyber.c -- Low level frame buffer operations for the * CyberVision64 (accelerated) * * Created 5 Apr 1997 by Geert Uytterhoeven * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for * more details. */ #include <linux/module.h> #include <linux/tty.h> #include <linux/console.h> #include <linux/string.h> #include <linux/config.h> #include <linux/fb.h> #include "fbcon.h" #include "s3blit.h" /* * Prototypes */ static int open_cyber(struct display *p); static void release_cyber(void); static void bmove_cyber(struct display *p, int sy, int sx, int dy, int dx, int height, int width); static void clear_cyber(struct vc_data *conp, struct display *p, int sy, int sx, int height, int width); static void putc_cyber(struct vc_data *conp, struct display *p, int c, int yy, int xx); static void putcs_cyber(struct vc_data *conp, struct display *p, const char *s, int count, int yy, int xx); static void rev_char_cyber(struct display *p, int xx, int yy); /* * Acceleration functions in cyberfb.c */ extern void Cyber_WaitQueue(unsigned short fifo); extern void Cyber_WaitBlit(void); extern void Cyber_BitBLT(unsigned short curx, unsigned short cury, unsigned short destx, unsigned short desty, unsigned short width, unsigned short height, unsigned short mode); extern void Cyber_RectFill(unsigned short xx, unsigned short yy, unsigned short width, unsigned short height, unsigned short mode, unsigned short fillcolor); extern void Cyber_MoveCursor(unsigned short xx, unsigned short yy); /* * `switch' for the low level operations */ static struct display_switch dispsw_cyber = { open_cyber, release_cyber, bmove_cyber, clear_cyber, putc_cyber, putcs_cyber, rev_char_cyber }; /* * CyberVision64 (accelerated) */ static int open_cyber(struct display *p) { if (p->type != FB_TYPE_PACKED_PIXELS || p->var.accel != FB_ACCEL_CYBERVISION) return -EINVAL; p->next_line = p->var.xres_virtual*p->var.bits_per_pixel>>3; p->next_plane = 0; MOD_INC_USE_COUNT; return 0; } static void release_cyber(void) { MOD_DEC_USE_COUNT; } static void bmove_cyber(struct display *p, int sy, int sx, int dy, int dx, int height, int width) { sx *= 8; dx *= 8; width *= 8; Cyber_BitBLT((u_short)sx, (u_short)(sy*p->fontheight), (u_short)dx, (u_short)(dy*p->fontheight), (u_short)width, (u_short)(height*p->fontheight), (u_short)S3_NEW); } static void clear_cyber(struct vc_data *conp, struct display *p, int sy, int sx, int height, int width) { unsigned char bg; sx *= 8; width *= 8; bg = attr_bgcol_ec(p,conp); Cyber_RectFill((u_short)sx, (u_short)(sy*p->fontheight), (u_short)width, (u_short)(height*p->fontheight), (u_short)S3_NEW, (u_short)bg); } static void putc_cyber(struct vc_data *conp, struct display *p, int c, int yy, int xx) { u_char *dest, *cdat; u_long tmp; u_int rows, revs, underl; u_char d; u_char fg, bg; c &= 0xff; dest = p->screen_base+yy*p->fontheight*p->next_line+8*xx; cdat = p->fontdata+(c*p->fontheight); fg = p->fgcol; bg = p->bgcol; revs = conp->vc_reverse; underl = conp->vc_underline; Cyber_WaitBlit(); for (rows = p->fontheight; rows--; dest += p->next_line) { d = *cdat++; if (underl && !rows) d = 0xff; if (revs) d = ~d; tmp = ((d & 0x80) ? fg : bg) << 24; tmp |= ((d & 0x40) ? fg : bg) << 16; tmp |= ((d & 0x20) ? fg : bg) << 8; tmp |= ((d & 0x10) ? fg : bg); *((u_long*) dest) = tmp; tmp = ((d & 0x8) ? fg : bg) << 24; tmp |= ((d & 0x4) ? fg : bg) << 16; tmp |= ((d & 0x2) ? fg : bg) << 8; tmp |= ((d & 0x1) ? fg : bg); *((u_long*) dest + 1) = tmp; } } static void putcs_cyber(struct vc_data *conp, struct display *p, const char *s, int count, int yy, int xx) { u_char *dest, *dest0, *cdat; u_long tmp; u_int rows, underl; u_char c, d; u_char fg, bg; dest0 = p->screen_base+yy*p->fontheight*p->next_line+8*xx; fg = p->fgcol; bg = p->bgcol; underl = conp->vc_underline; Cyber_WaitBlit(); while (count--) { c = *s++; dest = dest0; dest0 += 8; cdat = p->fontdata+(c*p->fontheight); for (rows = p->fontheight; rows--; dest += p->next_line) { d = *cdat++; if (underl && !rows) d = 0xff; tmp = ((d & 0x80) ? fg : bg) << 24; tmp |= ((d & 0x40) ? fg : bg) << 16; tmp |= ((d & 0x20) ? fg : bg) << 8; tmp |= ((d & 0x10) ? fg : bg); *((u_long*) dest) = tmp; tmp = ((d & 0x8) ? fg : bg) << 24; tmp |= ((d & 0x4) ? fg : bg) << 16; tmp |= ((d & 0x2) ? fg : bg) << 8; tmp |= ((d & 0x1) ? fg : bg); *((u_long*) dest + 1) = tmp; } } } static void rev_char_cyber(struct display *p, int xx, int yy) { unsigned char *dest; unsigned int rows; unsigned char fg, bg; fg = p->fgcol; bg = p->bgcol; dest = p->screen_base+yy*p->fontheight*p->next_line+8*xx; Cyber_WaitBlit(); for (rows = p->fontheight; rows--; dest += p->next_line) { *dest = (*dest == fg) ? bg : fg; *(dest+1) = (*(dest + 1) == fg) ? bg : fg; *(dest+2) = (*(dest + 2) == fg) ? bg : fg; *(dest+3) = (*(dest + 3) == fg) ? bg : fg; *(dest+4) = (*(dest + 4) == fg) ? bg : fg; *(dest+5) = (*(dest + 5) == fg) ? bg : fg; *(dest+6) = (*(dest + 6) == fg) ? bg : fg; *(dest+7) = (*(dest + 7) == fg) ? bg : fg; } } #ifdef MODULE int init_module(void) #else int fbcon_init_cyber(void) #endif { return(fbcon_register_driver(&dispsw_cyber, 1)); } #ifdef MODULE void cleanup_module(void) { fbcon_unregister_driver(&dispsw_cyber); } #endif /* MODULE */ |