OpenCloudOS-Kernel/drivers/gpu/drm/nouveau/nvkm/engine/msppp/g98.c

110 lines
3.3 KiB
C

/*
* Copyright 2012 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, Maarten Lankhorst, Ilia Mirkin
*/
#include <engine/msppp.h>
#include <engine/falcon.h>
struct g98_msppp_priv {
struct nvkm_falcon base;
};
/*******************************************************************************
* MSPPP object classes
******************************************************************************/
static struct nvkm_oclass
g98_msppp_sclass[] = {
{ 0x88b3, &nvkm_object_ofuncs },
{ 0x85b3, &nvkm_object_ofuncs },
{},
};
/*******************************************************************************
* PMSPPP context
******************************************************************************/
static struct nvkm_oclass
g98_msppp_cclass = {
.handle = NV_ENGCTX(MSPPP, 0x98),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = _nvkm_falcon_context_ctor,
.dtor = _nvkm_falcon_context_dtor,
.init = _nvkm_falcon_context_init,
.fini = _nvkm_falcon_context_fini,
.rd32 = _nvkm_falcon_context_rd32,
.wr32 = _nvkm_falcon_context_wr32,
},
};
/*******************************************************************************
* PMSPPP engine/subdev functions
******************************************************************************/
static int
g98_msppp_init(struct nvkm_object *object)
{
struct g98_msppp_priv *priv = (void *)object;
int ret;
ret = nvkm_falcon_init(&priv->base);
if (ret)
return ret;
nv_wr32(priv, 0x086010, 0x0000ffd2);
nv_wr32(priv, 0x08601c, 0x0000fff2);
return 0;
}
static int
g98_msppp_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct g98_msppp_priv *priv;
int ret;
ret = nvkm_falcon_create(parent, engine, oclass, 0x086000, true,
"PMSPPP", "msppp", &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
nv_subdev(priv)->unit = 0x00400002;
nv_engine(priv)->cclass = &g98_msppp_cclass;
nv_engine(priv)->sclass = g98_msppp_sclass;
return 0;
}
struct nvkm_oclass
g98_msppp_oclass = {
.handle = NV_ENGINE(MSPPP, 0x98),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = g98_msppp_ctor,
.dtor = _nvkm_falcon_dtor,
.init = g98_msppp_init,
.fini = _nvkm_falcon_fini,
.rd32 = _nvkm_falcon_rd32,
.wr32 = _nvkm_falcon_wr32,
},
};