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/*
* Copyright 2013 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
*/
#define gf119_pmu_code gk104_pmu_code
#define gf119_pmu_data gk104_pmu_data
#include "priv.h"
#include "fuc/gf119.fuc4.h"
#include <core/option.h>
#include <subdev/timer.h>
static void
magic_(struct nvkm_device *device, u32 ctrl, int size)
{
nvkm_wr32(device, 0x00c800, 0x00000000);
nvkm_wr32(device, 0x00c808, 0x00000000);
nvkm_wr32(device, 0x00c800, ctrl);
nvkm_msec(device, 2000,
if (nvkm_rd32(device, 0x00c800) & 0x40000000) {
while (size--)
nvkm_wr32(device, 0x00c804, 0x00000000);
break;
}
);
nvkm_wr32(device, 0x00c800, 0x00000000);
}
static void
magic(struct nvkm_device *device, u32 ctrl)
{
magic_(device, 0x8000a41f | ctrl, 6);
magic_(device, 0x80000421 | ctrl, 1);
}
static void
gk104_pmu_pgob(struct nvkm_pmu *pmu, bool enable)
{
struct nvkm_device *device = pmu->subdev.device;
nvkm_mask(device, 0x000200, 0x00001000, 0x00000000);
nvkm_rd32(device, 0x000200);
nvkm_mask(device, 0x000200, 0x08000000, 0x08000000);
msleep(50);
nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000002);
nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001);
nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000);
nvkm_mask(device, 0x020004, 0xc0000000, enable ? 0xc0000000 : 0x40000000);
msleep(50);
nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000000);
nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001);
nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000);
nvkm_mask(device, 0x000200, 0x08000000, 0x00000000);
nvkm_mask(device, 0x000200, 0x00001000, 0x00001000);
nvkm_rd32(device, 0x000200);
if ( nvkm_boolopt(device->cfgopt, "War00C800_0",
device->quirk ? device->quirk->War00C800_0 : false)) {
nvkm_info(&pmu->subdev, "hw bug workaround enabled\n");
switch (device->chipset) {
case 0xe4:
magic(device, 0x04000000);
magic(device, 0x06000000);
magic(device, 0x0c000000);
magic(device, 0x0e000000);
break;
case 0xe6:
magic(device, 0x02000000);
magic(device, 0x04000000);
magic(device, 0x0a000000);
break;
case 0xe7:
magic(device, 0x02000000);
break;
default:
break;
}
}
}
static const struct nvkm_pmu_func
gk104_pmu = {
.code.data = gk104_pmu_code,
.code.size = sizeof(gk104_pmu_code),
.data.data = gk104_pmu_data,
.data.size = sizeof(gk104_pmu_data),
.pgob = gk104_pmu_pgob,
};
int
gk104_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
{
return nvkm_pmu_new_(&gk104_pmu, device, index, ppmu);
}
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