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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
*/
#include "nv40.h"
static void
nv40_perfctr_init(struct nvkm_pm *pm, struct nvkm_perfdom *dom,
struct nvkm_perfctr *ctr)
{
struct nvkm_device *device = pm->engine.subdev.device;
u32 log = ctr->logic_op;
u32 src = 0x00000000;
int i;
for (i = 0; i < 4; i++)
src |= ctr->signal[i] << (i * 8);
nvkm_wr32(device, 0x00a7c0 + dom->addr, 0x00000001 | (dom->mode << 4));
nvkm_wr32(device, 0x00a400 + dom->addr + (ctr->slot * 0x40), src);
nvkm_wr32(device, 0x00a420 + dom->addr + (ctr->slot * 0x40), log);
}
static void
nv40_perfctr_read(struct nvkm_pm *pm, struct nvkm_perfdom *dom,
struct nvkm_perfctr *ctr)
{
struct nvkm_device *device = pm->engine.subdev.device;
switch (ctr->slot) {
case 0: ctr->ctr = nvkm_rd32(device, 0x00a700 + dom->addr); break;
case 1: ctr->ctr = nvkm_rd32(device, 0x00a6c0 + dom->addr); break;
case 2: ctr->ctr = nvkm_rd32(device, 0x00a680 + dom->addr); break;
case 3: ctr->ctr = nvkm_rd32(device, 0x00a740 + dom->addr); break;
}
dom->clk = nvkm_rd32(device, 0x00a600 + dom->addr);
}
static void
nv40_perfctr_next(struct nvkm_pm *pm, struct nvkm_perfdom *dom)
{
struct nvkm_device *device = pm->engine.subdev.device;
if (pm->sequence != pm->sequence) {
nvkm_wr32(device, 0x400084, 0x00000020);
pm->sequence = pm->sequence;
}
}
const struct nvkm_funcdom
nv40_perfctr_func = {
.init = nv40_perfctr_init,
.read = nv40_perfctr_read,
.next = nv40_perfctr_next,
};
static const struct nvkm_pm_func
nv40_pm_ = {
};
int
nv40_pm_new_(const struct nvkm_specdom *doms, struct nvkm_device *device,
int index, struct nvkm_pm **ppm)
{
struct nv40_pm *pm;
int ret;
if (!(pm = kzalloc(sizeof(*pm), GFP_KERNEL)))
return -ENOMEM;
*ppm = &pm->base;
ret = nvkm_pm_ctor(&nv40_pm_, device, index, &pm->base);
if (ret)
return ret;
return nvkm_perfdom_new(&pm->base, "pc", 0, 0, 0, 4, doms);
}
static const struct nvkm_specdom
nv40_pm[] = {
{ 0x20, (const struct nvkm_specsig[]) {
{}
}, &nv40_perfctr_func },
{ 0x20, (const struct nvkm_specsig[]) {
{}
}, &nv40_perfctr_func },
{ 0x20, (const struct nvkm_specsig[]) {
{}
}, &nv40_perfctr_func },
{ 0x20, (const struct nvkm_specsig[]) {
{}
}, &nv40_perfctr_func },
{ 0x20, (const struct nvkm_specsig[]) {
{}
}, &nv40_perfctr_func },
{}
};
int
nv40_pm_new(struct nvkm_device *device, int index, struct nvkm_pm **ppm)
{
return nv40_pm_new_(nv40_pm, device, index, ppm);
}
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