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/*
* 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
*/
#include <engine/sec.h>
#include <engine/falcon.h>
#include <engine/fifo.h>
#include "fuc/g98.fuc0s.h"
#include <core/client.h>
#include <core/enum.h>
/*******************************************************************************
* Crypt object classes
******************************************************************************/
static struct nvkm_oclass
g98_sec_sclass[] = {
{ 0x88b4, &nvkm_object_ofuncs },
{},
};
/*******************************************************************************
* PSEC context
******************************************************************************/
static struct nvkm_oclass
g98_sec_cclass = {
.handle = NV_ENGCTX(SEC, 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,
},
};
/*******************************************************************************
* PSEC engine/subdev functions
******************************************************************************/
static const struct nvkm_enum g98_sec_isr_error_name[] = {
{ 0x0000, "ILLEGAL_MTHD" },
{ 0x0001, "INVALID_BITFIELD" },
{ 0x0002, "INVALID_ENUM" },
{ 0x0003, "QUERY" },
{}
};
static void
g98_sec_intr(struct nvkm_falcon *sec, struct nvkm_fifo_chan *chan)
{
struct nvkm_subdev *subdev = &sec->engine.subdev;
struct nvkm_device *device = subdev->device;
u32 ssta = nvkm_rd32(device, 0x087040) & 0x0000ffff;
u32 addr = nvkm_rd32(device, 0x087040) >> 16;
u32 mthd = (addr & 0x07ff) << 2;
u32 subc = (addr & 0x3800) >> 11;
u32 data = nvkm_rd32(device, 0x087044);
const struct nvkm_enum *en =
nvkm_enum_find(g98_sec_isr_error_name, ssta);
nvkm_error(subdev, "DISPATCH_ERROR %04x [%s] ch %d [%010llx %s] "
"subc %d mthd %04x data %08x\n", ssta,
en ? en->name : "UNKNOWN", chan ? chan->chid : -1,
chan ? chan->inst->addr : 0,
chan ? chan->object.client->name : "unknown",
subc, mthd, data);
}
static const struct nvkm_falcon_func
g98_sec_func = {
.intr = g98_sec_intr,
};
static int
g98_sec_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nvkm_falcon *sec;
int ret;
ret = nvkm_falcon_create(&g98_sec_func, parent, engine, oclass,
0x087000, true, "PSEC", "sec", &sec);
*pobject = nv_object(sec);
if (ret)
return ret;
nv_subdev(sec)->unit = 0x00004000;
nv_engine(sec)->cclass = &g98_sec_cclass;
nv_engine(sec)->sclass = g98_sec_sclass;
nv_falcon(sec)->code.data = g98_sec_code;
nv_falcon(sec)->code.size = sizeof(g98_sec_code);
nv_falcon(sec)->data.data = g98_sec_data;
nv_falcon(sec)->data.size = sizeof(g98_sec_data);
return 0;
}
struct nvkm_oclass
g98_sec_oclass = {
.handle = NV_ENGINE(SEC, 0x98),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = g98_sec_ctor,
.dtor = _nvkm_falcon_dtor,
.init = _nvkm_falcon_init,
.fini = _nvkm_falcon_fini,
},
};
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