/*
* Copyright 2018 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
tu102_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 x00ef10 + (head * 0 x40), fN << 16 );
nvkm_wr32(device, 0 x00ef04 + (head * 0 x40), (P << 16 ) |
(N << 8 ) |
(M << 0 ));
/*XXX*/
nvkm_wr32(device, 0 x00ef0c + (head * 0 x40), 0 x00000900);
nvkm_wr32(device, 0 x00ef00 + (head * 0 x40), 0 x02000014);
break ;
default :
nvkm_warn(subdev, "%08x/%dKhz unimplemented\n" , type, freq);
ret = -EINVAL;
break ;
}
return ret;
}
static int
tu102_devinit_wait(struct nvkm_device *device)
{
unsigned timeout = 50 + 2000 ;
do {
if (nvkm_rd32(device, 0 x118128) & 0 x00000001) {
if ((nvkm_rd32(device, 0 x118234) & 0 x000000ff) == 0 xff)
return 0 ;
}
usleep_range(1000 , 2000 );
} while (timeout--);
return -ETIMEDOUT;
}
int
tu102_devinit_post(struct nvkm_devinit *init, bool post)
{
return tu102_devinit_wait(init->subdev.device);
}
static const struct nvkm_devinit_func
tu102_devinit = {
.init = nv50_devinit_init,
.post = tu102_devinit_post,
.pll_set = tu102_devinit_pll_set,
.disable = gm107_devinit_disable,
};
int
tu102_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(&tu102_devinit, device, type, inst, pinit);
return nv50_devinit_new_(&tu102_devinit, device, type, inst, pinit);
}
Messung V0.5 in Prozent C=99 H=92 G=95
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-07)
¤
*© Formatika GbR, Deutschland