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igfx: add TypeILK, since it differs slightly from SNB

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ILK's LVDS transcoder select field only has 1 bit, like G45.
This commit is contained in:
Michael Forney 2022-03-02 10:26:37 +00:00 committed by cinap_lenrek
parent a00957efee
commit d52f25ecdc
1 changed files with 20 additions and 8 deletions
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28
sys/src/cmd/aux/vga/igfx.c
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@ -23,8 +23,9 @@ enum {
enum {
TypeG45,
TypeIVB, /* Ivy Bridge */
TypeILK, /* Iron Lake */
TypeSNB, /* Sandy Bridge (unfinished) */
TypeIVB, /* Ivy Bridge */
TypeHSW, /* Haswell */
};
@ -255,8 +256,9 @@ snarftrans(Igfx *igfx, Trans *t, u32int o)
t->ln[0] = snarfreg(igfx, 0x70064); /* DPLinkN */
}
break;
case TypeIVB:
case TypeILK:
case TypeSNB:
case TypeIVB:
t->dm[0] = snarfreg(igfx, o + 0x30);
t->dn[0] = snarfreg(igfx, o + 0x34);
t->dm[1] = snarfreg(igfx, o + 0x38);
@ -295,7 +297,8 @@ snarfpipe(Igfx *igfx, int x)
if(igfx->type != TypeHSW || x != 3)
p->src = snarfreg(igfx, o + 0x0001C);
if(igfx->type == TypeHSW) {
switch(igfx->type){
case TypeHSW:
p->dpctl = snarfreg(igfx, o + 0x400); /* PIPE_DDI_FUNC_CTL_x */
p->dpll = &igfx->dpll[0];
if(x == 3){
@ -303,7 +306,10 @@ snarfpipe(Igfx *igfx, int x)
p->src = snarfreg(igfx, 0x6001C);
}else
p->clksel = snarfreg(igfx, 0x46140 + x*4);
} else if(igfx->type == TypeIVB || igfx->type == TypeSNB) {
break;
case TypeILK:
case TypeSNB:
case TypeIVB:
p->fdi->txctl = snarfreg(igfx, o + 0x100);
o = 0xE0000 | x*0x1000;
@ -324,8 +330,10 @@ snarfpipe(Igfx *igfx, int x)
p->fdi->dpll = &igfx->dpll[(igfx->dpllsel[0].v>>(x*4)) & 1];
p->dpll = nil;
} else {
break;
case TypeG45:
p->dpll = &igfx->dpll[x & 1];
break;
}
/* display plane */
@ -349,6 +357,7 @@ snarfpipe(Igfx *igfx, int x)
p->dsp->pos = snarfreg(igfx, 0x7018C + x*0x1000);
p->dsp->size = snarfreg(igfx, 0x70190 + x*0x1000);
/* wet floor */
case TypeILK:
case TypeSNB:
p->cur->cntr = snarfreg(igfx, 0x70080 + x*0x40);
p->cur->base = snarfreg(igfx, 0x70084 + x*0x40);
@ -375,6 +384,7 @@ devtype(Igfx *igfx)
case 0x0152: /* 2nd/3rd Gen Core - Core-i3 */
return TypeIVB;
case 0x0046: /* Thinkpad T510 */
return TypeILK;
case 0x0102: /* Dell Optiplex 790 */
case 0x0126: /* Thinkpad X220 */
return TypeSNB;
@ -461,6 +471,7 @@ snarf(Vga* vga, Ctlr* ctlr)
igfx->vgacntrl = snarfreg(igfx, 0x071400);
break;
case TypeILK:
case TypeSNB:
igfx->npipe = 2; /* A,B */
igfx->cdclk = 400; /* MHz */
@ -780,6 +791,7 @@ initdpll(Igfx *igfx, int x, int freq, int port)
dpll->ctrl.v &= ~(3<<13);
dpll->ctrl.v |= (port == PortLCD ? 3 : 0) << 13;
break;
case TypeILK:
case TypeSNB:
case TypeIVB:
/* transcoder dpll enable */
@ -1159,7 +1171,7 @@ init(Vga* vga, Ctlr* ctlr)
case PortLCD:
if(igfx->type == TypeHSW)
goto Badport;
if(igfx->type == TypeG45)
if(igfx->type == TypeG45 || igfx->type == TypeILK)
x = (igfx->lvds.v >> 30) & 1;
else
x = (igfx->lvds.v >> 29) & 3;
@ -1412,7 +1424,7 @@ enablepipe(Igfx *igfx, int x)
loadreg(igfx, p->fdi->rxctl);
sleep(5);
/* clear auto training bits */
if(igfx->type == TypeSNB)
if(igfx->type == TypeILK || igfx->type == TypeSNB)
p->fdi->txctl.v &= ~(3<<28 | 1<<10 | 1);
else
p->fdi->txctl.v &= ~(7<<8 | 1);
@ -1466,7 +1478,7 @@ enablepipe(Igfx *igfx, int x)
loadreg(igfx, p->fdi->rxtu[0]);
loadreg(igfx, p->fdi->rxmisc);
if(igfx->type == TypeSNB){
if(igfx->type == TypeILK || igfx->type == TypeSNB){
/* unmask bit lock and symbol lock bits */
csr(igfx, p->fdi->rximr.a, 3<<8, 0);