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/*
* 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"
u32
nvkm_pci_rd32(struct nvkm_pci *pci, u16 addr)
{
return pci->func->rd32(pci, addr);
}
void
nvkm_pci_wr08(struct nvkm_pci *pci, u16 addr, u8 data)
{
pci->func->wr08(pci, addr, data);
}
void
nvkm_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data)
{
pci->func->wr32(pci, addr, data);
}
void
nvkm_pci_rom_shadow(struct nvkm_pci *pci, bool shadow)
{
u32 data = nvkm_pci_rd32(pci, 0x0050);
if (shadow)
data |= 0x00000001;
else
data &= ~0x00000001;
nvkm_pci_wr32(pci, 0x0050, data);
}
void
nvkm_pci_msi_rearm(struct nvkm_pci *pci)
{
pci->func->msi_rearm(pci);
}
static void *
nvkm_pci_dtor(struct nvkm_subdev *subdev)
{
return nvkm_pci(subdev);
}
static const struct nvkm_subdev_func
nvkm_pci_func = {
.dtor = nvkm_pci_dtor,
};
int
nvkm_pci_new_(const struct nvkm_pci_func *func, struct nvkm_device *device,
int index, struct nvkm_pci **ppci)
{
struct nvkm_pci *pci;
if (!(pci = *ppci = kzalloc(sizeof(**ppci), GFP_KERNEL)))
return -ENOMEM;
nvkm_subdev_ctor(&nvkm_pci_func, device, index, 0, &pci->subdev);
pci->func = func;
return 0;
}
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