2 #include "../port/lib.h"
7 #include "../port/error.h"
19 case 0x0166: /* Ivy Bridge */
20 case 0x0102: /* Core-5 Sandy Bridge */
21 case 0x0152: /* Core-i3 */
22 switch((pcicfgr16(p, 0x50) >> 3) & 0x1f){
23 case 0x01: return 32 - 2;
24 case 0x02: return 64 - 2; /* 0102 Dell machine here */
25 case 0x03: return 96 - 2;
26 case 0x04: return 128 - 2;
27 case 0x05: return 32 - 2;
28 case 0x06: return 48 - 2;
29 case 0x07: return 64 - 2;
30 case 0x08: return 128 - 2;
31 case 0x09: return 256 - 2;
32 case 0x0A: return 96 - 2;
33 case 0x0B: return 160 - 2;
34 case 0x0C: return 224 - 2;
35 case 0x0D: return 352 - 2;
36 case 0x0E: return 448 - 2;
37 case 0x0F: return 480 - 2;
38 case 0x10: return 512 - 2;
41 case 0x2a42: /* X200 */
42 case 0x29a2: /* 82P965/G965 HECI desktop */
43 case 0x2a02: /* CF-R7 */
44 switch((pcicfgr16(p, 0x52) >> 4) & 7){
59 gmsize(Pcidev *pci, void *mmio)
61 u32int x, i, npg, *gtt;
63 npg = stolenmb(pci)<<(20-12);
66 gtt = (u32int*)((uchar*)mmio + pci->mem[0].size/2);
71 if((gtt[i]&1) == 0 || (gtt[i]>>12) != x)
75 if(0) print("igfx: graphics memory at %p-%p (%ud MB)\n",
76 (uintptr)(x-i)<<12, (uintptr)x<<12, (i>>(20-12)));
77 return (uintptr)i<<12;
81 igfxenable(VGAscr* scr)
90 scr->mmio = vmap(p->mem[0].bar&~0x0F, p->mem[0].size);
93 addvgaseg("igfxmmio", p->mem[0].bar&~0x0F, p->mem[0].size);
97 addvgaseg("igfxscreen", scr->paddr, scr->apsize);
98 scr->storage = gmsize(p, scr->mmio);
101 else if(scr->storage > scr->apsize)
102 scr->storage = scr->apsize;
103 if(scr->storage != 0)
104 scr->storage -= PGROUND(64*64*4);
108 VGAdev vgaigfxdev = {
114 igfxcurload(VGAscr* scr, Cursor* curs)
120 if(scr->storage == 0)
122 p = (u32int*)((uchar*)scr->vaddr + scr->storage);
123 memset(p, 0, 64*64*4);
127 for(j=0x80; j; j>>=1){
129 *p++ = (0xFF<<24) | (set&j ? 0x000000 : 0xFFFFFF);
136 scr->offset = curs->offset;
148 igfxcurregs(VGAscr* scr, int pipe)
152 if(scr->mmio == nil || scr->storage == 0)
155 /* check PIPExCONF if enabled */
156 if((scr->mmio[(0x70008 | o)/4] & (1<<31)) == 0)
158 switch(scr->pci->did){
159 case 0x0166: /* Ivy Bridge */
160 case 0x0152: /* Core-i3 */
164 case 0x2a42: /* X200 */
165 case 0x29a2: /* 82P965/G965 HECI desktop */
166 case 0x2a02: /* CF-R7 */
167 case 0x0102: /* Sndy Bridge */
176 return (u32int*)((uchar*)scr->mmio + (0x70080 + o));
180 igfxcurmove(VGAscr* scr, Point p)
185 for(i=0; i<NPIPE; i++){
186 if((r = igfxcurregs(scr, i)) != nil){
187 x = p.x + scr->offset.x;
188 if(x < 0) x = -x | 0x8000;
189 y = p.y + scr->offset.y;
190 if(y < 0) y = -y | 0x8000;
191 r[CURPOS] = (y << 16) | x;
198 igfxcurenable(VGAscr* scr)
204 igfxcurload(scr, &arrow);
205 igfxcurmove(scr, ZP);
207 for(i=0; i<NPIPE; i++){
208 if((r = igfxcurregs(scr, i)) != nil){
209 r[CURCTL] = (r[CURCTL] & ~(3<<28 | 1<<5)) | (i<<28) | 7;
210 r[CURBASE] = scr->storage;
216 igfxcurdisable(VGAscr* scr)
221 for(i=0; i<NPIPE; i++){
222 if((r = igfxcurregs(scr, i)) != nil){
223 r[CURCTL] &= ~(1<<5 | 7);
229 VGAcur vgaigfxcur = {