/*
* Copyright 2015 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 .
*
* Authors : Ben Skeggs < bskeggs @ redhat . com >
*/
#include "priv.h"
static void
gf100_pci_msi_rearm(struct nvkm_pci *pci)
{
nvkm_pci_wr08(pci, 0 x0704, 0 xff);
}
void
gf100_pcie_set_version(struct nvkm_pci *pci, u8 ver)
{
struct nvkm_device *device = pci->subdev.device;
nvkm_mask(device, 0 x02241c, 0 x1, ver > 1 ? 1 : 0 );
}
int
gf100_pcie_version(struct nvkm_pci *pci)
{
struct nvkm_device *device = pci->subdev.device;
return (nvkm_rd32(device, 0 x02241c) & 0 x1) + 1 ;
}
void
gf100_pcie_set_cap_speed(struct nvkm_pci *pci, bool full_speed)
{
struct nvkm_device *device = pci->subdev.device;
nvkm_mask(device, 0 x02241c, 0 x80, full_speed ? 0 x80 : 0 x0);
}
int
gf100_pcie_cap_speed(struct nvkm_pci *pci)
{
struct nvkm_device *device = pci->subdev.device;
u8 punits_pci_cap_speed = nvkm_rd32(device, 0 x02241c) & 0 x80;
if (punits_pci_cap_speed == 0 x80)
return 1 ;
return 0 ;
}
int
gf100_pcie_init(struct nvkm_pci *pci)
{
bool full_speed = g84_pcie_cur_speed(pci) == NVKM_PCIE_SPEED_5_0;
gf100_pcie_set_cap_speed(pci, full_speed);
return 0 ;
}
int
gf100_pcie_set_link(struct nvkm_pci *pci, enum nvkm_pcie_speed speed, u8 width)
{
gf100_pcie_set_cap_speed(pci, speed == NVKM_PCIE_SPEED_5_0);
g84_pcie_set_link_speed(pci, speed);
return 0 ;
}
static const struct nvkm_pci_func
gf100_pci_func = {
.cfg = { .addr = 0 x088000, .size = 0 x1000 },
.init = g84_pci_init,
.msi_rearm = gf100_pci_msi_rearm,
.pcie.init = gf100_pcie_init,
.pcie.set_link = gf100_pcie_set_link,
.pcie.max_speed = g84_pcie_max_speed,
.pcie.cur_speed = g84_pcie_cur_speed,
.pcie.set_version = gf100_pcie_set_version,
.pcie.version = gf100_pcie_version,
.pcie.version_supported = g92_pcie_version_supported,
};
int
gf100_pci_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_pci **ppci)
{
return nvkm_pci_new_(&gf100_pci_func, device, type, inst, ppci);
}
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-07)
¤
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