/*
* Copyright 2021 Red Hat Inc .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE COPYRIGHT HOLDER ( S ) OR AUTHOR ( S ) BE LIABLE FOR ANY CLAIM , DAMAGES OR
* OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE ,
* ARISING FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE .
*/
#include "nv50.h"
#include <subdev/bios.h>
#include <subdev/bios/pll.h>
#include <subdev/clk/pll.h>
#include <subdev/gsp.h>
static int
ga100_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 freq)
{
struct nvkm_subdev *subdev = &init->subdev;
struct nvkm_device *device = subdev->device;
struct nvbios_pll info;
int head = type - PLL_VPLL0;
int N, fN, M, P;
int ret;
ret = nvbios_pll_parse(device->bios, type, &info);
if (ret)
return ret;
ret = gt215_pll_calc(subdev, &info, freq, &N, &fN, &M, &P);
if (ret < 0 )
return ret;
switch (info.type) {
case PLL_VPLL0:
case PLL_VPLL1:
case PLL_VPLL2:
case PLL_VPLL3:
nvkm_wr32(device, 0 x00ef00 + (head * 0 x40), 0 x02080004);
nvkm_wr32(device, 0 x00ef18 + (head * 0 x40), (N << 16 ) | fN);
nvkm_wr32(device, 0 x00ef04 + (head * 0 x40), (P << 16 ) | M);
nvkm_wr32(device, 0 x00e9c0 + (head * 0 x04), 0 x00000001);
break ;
default :
nvkm_warn(subdev, "%08x/%dKhz unimplemented\n" , type, freq);
ret = -EINVAL;
break ;
}
return ret;
}
static void
ga100_devinit_disable(struct nvkm_devinit *init)
{
struct nvkm_device *device = init->subdev.device;
u32 r820c04 = nvkm_rd32(device, 0 x820c04);
if (r820c04 & 0 x00000001)
nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0 );
}
static const struct nvkm_devinit_func
ga100_devinit = {
.disable = ga100_devinit_disable,
.init = nv50_devinit_init,
.post = tu102_devinit_post,
.pll_set = ga100_devinit_pll_set,
};
int
ga100_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_devinit **pinit)
{
if (nvkm_gsp_rm(device->gsp))
return r535_devinit_new(&ga100_devinit, device, type, inst, pinit);
return nv50_devinit_new_(&ga100_devinit, device, type, inst, pinit);
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-10-07)
¤
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