2 #include "../port/lib.h"
7 #include "../port/error.h"
16 igfxcuralloc(Pcidev *pci, void *mmio, int apsize)
19 u32int pa, *buf, *p, *e;
21 buf = mallocalign(64*64*4, BY2PG, 0, 0);
23 print("igfx: no memory for cursor image\n");
26 n = (apsize > 128*MB ? 128*1024 : apsize/1024) / 4 - 4;
27 p = (u32int*)((uchar*)mmio + pci->mem[0].size/2) + n;
28 *(u32int*)((uchar*)mmio + 0x2170) = 0; /* flush write buffers */
29 for(e=p+4, pa=PADDR(buf); p<e; p++, pa+=1<<12)
31 *(u32int*)((uchar*)mmio + 0x2170) = 0; /* flush write buffers */
32 return (uintptr)n << 12;
36 igfxenable(VGAscr* scr)
45 scr->mmio = vmap(p->mem[0].bar&~0x0F, p->mem[0].size);
48 addvgaseg("igfxmmio", p->mem[0].bar&~0x0F, p->mem[0].size);
52 addvgaseg("igfxscreen", scr->paddr, scr->apsize);
53 scr->storage = igfxcuralloc(p, scr->mmio, scr->apsize);
59 igfxblank(VGAscr *scr, int blank)
63 switch(scr->pci->did){
67 case 0x2a02: /* GM965 */
68 case 0x2a42: /* GM45 */
69 case 0x2592: /* GM915 */
73 case 0x0126: /* SNB */
74 case 0x0166: /* IVB */
79 /* toggle PP_CONTROL backlight & power state */
81 scr->mmio[off/4] &= ~0x5;
83 scr->mmio[off/4] |= 0x5;
87 igfxdrawinit(VGAscr *scr)
89 scr->blank = igfxblank;
102 igfxcurload(VGAscr* scr, Cursor* curs)
108 if(scr->storage == 0)
110 p = (u32int*)((uchar*)scr->vaddr + scr->storage);
111 memset(p, 0, 64*64*4);
115 for(j=0x80; j; j>>=1){
117 *p++ = (0xFF<<24) | (set&j ? 0x000000 : 0xFFFFFF);
124 scr->offset = curs->offset;
136 igfxcurregs(VGAscr* scr, int pipe)
140 if(scr->mmio == nil || scr->storage == 0)
142 o = pipe == 3 ? 0xf000 : pipe*0x1000;
143 /* check PIPExCONF if enabled */
144 if((scr->mmio[(0x70008 | o)/4] & (1<<31)) == 0)
146 switch(scr->pci->did){
147 case 0x0412: /* Haswell HD Graphics 4600 */
148 case 0x0a16: /* Haswell HD Graphics 4400 */
154 case 0x0166: /* Ivy Bridge */
155 case 0x0152: /* Core-i3 */
156 case 0x0126: /* Sandy Bridge HD Graphics 3000 */
160 case 0x2592: /* GM915 */
161 case 0x2a42: /* X200 */
162 case 0x29a2: /* 82P965/G965 HECI desktop */
163 case 0x2a02: /* CF-R7 */
164 case 0x0102: /* Sndy Bridge */
173 return (u32int*)((uchar*)scr->mmio + (0x70080 + o));
177 igfxcurmove(VGAscr* scr, Point p)
182 for(i=0; i<NPIPE; i++){
183 if((r = igfxcurregs(scr, i)) != nil){
184 x = p.x + scr->offset.x;
185 if(x < 0) x = -x | 0x8000;
186 y = p.y + scr->offset.y;
187 if(y < 0) y = -y | 0x8000;
188 r[CURPOS] = (y << 16) | x;
195 igfxcurenable(VGAscr* scr)
201 igfxcurload(scr, &arrow);
202 igfxcurmove(scr, ZP);
204 for(i=0; i<NPIPE; i++){
205 if((r = igfxcurregs(scr, i)) != nil){
206 r[CURCTL] = (r[CURCTL] & ~(3<<28 | 1<<5)) | (i<<28) | 7;
207 r[CURBASE] = scr->storage;
213 igfxcurdisable(VGAscr* scr)
218 for(i=0; i<NPIPE; i++){
219 if((r = igfxcurregs(scr, i)) != nil){
220 r[CURCTL] &= ~(1<<5 | 7);
226 VGAcur vgaigfxcur = {