2 #include "../port/lib.h"
7 #include "../port/error.h"
21 cyber938xpageset(VGAscr*, int page)
34 cyber938xpage(VGAscr* scr, int page)
37 cyber938xpageset(scr, page);
38 unlock(&scr->devlock);
42 cyber938xlinear(VGAscr* scr, int, int)
56 * Heuristic to detect the MMIO space. We're flying blind
57 * here, with only the XFree86 source to guide us.
59 if(p->mem[1].size == 0x20000)
60 scr->mmio = vmap(p->mem[1].bar & ~0x0F, p->mem[1].size);
63 addvgaseg("cyber938xscreen", scr->paddr, scr->apsize);
65 addvgaseg("cyber938xmmio", p->mem[1].bar&~0x0F, 0x20000);
69 cyber938xcurdisable(VGAscr*)
71 vgaxo(Crtx, 0x50, CursorOFF);
75 cyber938xcurload(VGAscr* scr, Cursor* curs)
78 int islinear, opage, y;
80 cyber938xcurdisable(scr);
84 islinear = vgaxi(Crtx, 0x21) & 0x20;
87 opage = cyber938xpageset(scr, scr->storage>>16);
88 p += (scr->storage & 0xFFFF);
93 for(y = 0; y < 16; y++){
94 *p++ = curs->set[2*y]|curs->clr[2*y];
95 *p++ = curs->set[2*y + 1]|curs->clr[2*y + 1];
98 *p++ = curs->set[2*y];
99 *p++ = curs->set[2*y + 1];
103 memset(p, 0, (32-y)*8);
106 cyber938xpageset(scr, opage);
107 unlock(&scr->devlock);
111 * Save the cursor hotpoint and enable the cursor.
113 scr->offset = curs->offset;
114 vgaxo(Crtx, 0x50, CursorON);
118 cyber938xcurmove(VGAscr* scr, Point p)
123 * Mustn't position the cursor offscreen even partially,
124 * or it might disappear. Therefore, if x or y is -ve, adjust the
125 * cursor origins instead.
127 if((x = p.x+scr->offset.x) < 0){
133 if((y = p.y+scr->offset.y) < 0){
141 * Load the new values.
143 vgaxo(Crtx, 0x46, xo);
144 vgaxo(Crtx, 0x47, yo);
145 vgaxo(Crtx, 0x40, x & 0xFF);
146 vgaxo(Crtx, 0x41, (x>>8) & 0xFF);
147 vgaxo(Crtx, 0x42, y & 0xFF);
148 vgaxo(Crtx, 0x43, (y>>8) & 0xFF);
154 cyber938xcurenable(VGAscr* scr)
159 cyber938xcurdisable(scr);
164 for(i = 0x48; i < 0x4C; i++)
165 vgaxo(Crtx, i, 0x00);
166 for(i = 0x4C; i < 0x50; i++)
167 vgaxo(Crtx, i, 0xFF);
170 * Find a place for the cursor data in display memory.
172 storage = ((scr->gscreen->width*BY2WD*scr->gscreen->r.max.y+1023)/1024);
173 vgaxo(Crtx, 0x44, storage & 0xFF);
174 vgaxo(Crtx, 0x45, (storage>>8) & 0xFF);
176 scr->storage = storage;
179 * Load, locate and enable the 32x32 cursor.
180 * (64x64 is bit 0, X11 format is bit 6 and cursor
181 * enable is bit 7). Bit 3 needs to be set on 9382
182 * chips otherwise even the white bits are black.
184 cyber938xcurload(scr, &arrow);
185 cyber938xcurmove(scr, ZP);
186 vgaxo(Crtx, 0x50, CursorON);
189 VGAdev vgacyber938xdev = {
194 cyber938xpage, /* page */
195 cyber938xlinear, /* linear */
199 VGAcur vgacyber938xcur = {
202 cyber938xcurenable, /* enable */
203 cyber938xcurdisable, /* disable */
204 cyber938xcurload, /* load */
205 cyber938xcurmove, /* move */