/*
* 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/cipher.h>
#include <engine/fifo.h>
#include <core/client.h>
#include <core/enum .h>
#include <core/gpuobj.h>
#include <nvif/class .h>
static int
g84_cipher_oclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
int align, struct nvkm_gpuobj **pgpuobj)
{
int ret = nvkm_gpuobj_new(object->engine->subdev.device, 16 ,
align, false , parent, pgpuobj);
if (ret == 0 ) {
nvkm_kmap(*pgpuobj);
nvkm_wo32(*pgpuobj, 0 x00, object->oclass);
nvkm_wo32(*pgpuobj, 0 x04, 0 x00000000);
nvkm_wo32(*pgpuobj, 0 x08, 0 x00000000);
nvkm_wo32(*pgpuobj, 0 x0c, 0 x00000000);
nvkm_done(*pgpuobj);
}
return ret;
}
static const struct nvkm_object_func
g84_cipher_oclass_func = {
.bind = g84_cipher_oclass_bind,
};
static int
g84_cipher_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
int align, struct nvkm_gpuobj **pgpuobj)
{
return nvkm_gpuobj_new(object->engine->subdev.device, 256 ,
align, true , parent, pgpuobj);
}
static const struct nvkm_object_func
g84_cipher_cclass = {
.bind = g84_cipher_cclass_bind,
};
static const struct nvkm_bitfield
g84_cipher_intr_mask[] = {
{ 0 x00000001, "INVALID_STATE" },
{ 0 x00000002, "ILLEGAL_MTHD" },
{ 0 x00000004, "ILLEGAL_CLASS" },
{ 0 x00000080, "QUERY" },
{ 0 x00000100, "FAULT" },
{}
};
static void
g84_cipher_intr(struct nvkm_engine *cipher)
{
struct nvkm_subdev *subdev = &cipher->subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_chan *chan;
u32 stat = nvkm_rd32(device, 0 x102130);
u32 mthd = nvkm_rd32(device, 0 x102190);
u32 data = nvkm_rd32(device, 0 x102194);
u32 inst = nvkm_rd32(device, 0 x102188) & 0 x7fffffff;
unsigned long flags;
char msg[128 ];
chan = nvkm_chan_get_inst(cipher, (u64)inst << 12 , &flags);
if (stat) {
nvkm_snprintbf(msg, sizeof (msg), g84_cipher_intr_mask, stat);
nvkm_error(subdev, "%08x [%s] ch %d [%010llx %s] "
"mthd %04x data %08x\n" , stat, msg,
chan ? chan->id : -1 , (u64)inst << 12 ,
chan ? chan->name : "unknown" ,
mthd, data);
}
nvkm_chan_put(&chan, flags);
nvkm_wr32(device, 0 x102130, stat);
nvkm_wr32(device, 0 x10200c, 0 x10);
}
static int
g84_cipher_init(struct nvkm_engine *cipher)
{
struct nvkm_device *device = cipher->subdev.device;
nvkm_wr32(device, 0 x102130, 0 xffffffff);
nvkm_wr32(device, 0 x102140, 0 xffffffbf);
nvkm_wr32(device, 0 x10200c, 0 x00000010);
return 0 ;
}
static const struct nvkm_engine_func
g84_cipher = {
.init = g84_cipher_init,
.intr = g84_cipher_intr,
.cclass = &g84_cipher_cclass,
.sclass = {
{ -1 , -1 , NV74_CIPHER, &g84_cipher_oclass_func },
{}
}
};
int
g84_cipher_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_engine **pengine)
{
return nvkm_engine_new_(&g84_cipher, device, type, inst, true , pengine);
}
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-07)
¤
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