134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include <engine/cipher.h>
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#include <engine/fifo.h>
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#include <core/client.h>
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#include <core/enum.h>
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#include <core/gpuobj.h>
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#include <nvif/class.h>
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static int
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g84_cipher_oclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
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int align, struct nvkm_gpuobj **pgpuobj)
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{
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int ret = nvkm_gpuobj_new(object->engine->subdev.device, 16,
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align, false, parent, pgpuobj);
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if (ret == 0) {
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nvkm_kmap(*pgpuobj);
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nvkm_wo32(*pgpuobj, 0x00, object->oclass);
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nvkm_wo32(*pgpuobj, 0x04, 0x00000000);
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nvkm_wo32(*pgpuobj, 0x08, 0x00000000);
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nvkm_wo32(*pgpuobj, 0x0c, 0x00000000);
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nvkm_done(*pgpuobj);
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}
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return ret;
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}
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static const struct nvkm_object_func
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g84_cipher_oclass_func = {
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.bind = g84_cipher_oclass_bind,
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};
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static int
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g84_cipher_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
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int align, struct nvkm_gpuobj **pgpuobj)
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{
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return nvkm_gpuobj_new(object->engine->subdev.device, 256,
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align, true, parent, pgpuobj);
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}
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static const struct nvkm_object_func
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g84_cipher_cclass = {
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.bind = g84_cipher_cclass_bind,
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};
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static const struct nvkm_bitfield
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g84_cipher_intr_mask[] = {
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{ 0x00000001, "INVALID_STATE" },
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{ 0x00000002, "ILLEGAL_MTHD" },
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{ 0x00000004, "ILLEGAL_CLASS" },
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{ 0x00000080, "QUERY" },
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{ 0x00000100, "FAULT" },
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{}
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};
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static void
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g84_cipher_intr(struct nvkm_engine *cipher)
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{
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struct nvkm_subdev *subdev = &cipher->subdev;
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struct nvkm_device *device = subdev->device;
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struct nvkm_chan *chan;
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u32 stat = nvkm_rd32(device, 0x102130);
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u32 mthd = nvkm_rd32(device, 0x102190);
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u32 data = nvkm_rd32(device, 0x102194);
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u32 inst = nvkm_rd32(device, 0x102188) & 0x7fffffff;
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unsigned long flags;
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char msg[128];
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chan = nvkm_chan_get_inst(cipher, (u64)inst << 12, &flags);
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if (stat) {
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nvkm_snprintbf(msg, sizeof(msg), g84_cipher_intr_mask, stat);
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nvkm_error(subdev, "%08x [%s] ch %d [%010llx %s] "
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"mthd %04x data %08x\n", stat, msg,
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chan ? chan->id : -1, (u64)inst << 12,
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chan ? chan->name : "unknown",
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mthd, data);
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}
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nvkm_chan_put(&chan, flags);
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nvkm_wr32(device, 0x102130, stat);
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nvkm_wr32(device, 0x10200c, 0x10);
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}
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static int
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g84_cipher_init(struct nvkm_engine *cipher)
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{
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struct nvkm_device *device = cipher->subdev.device;
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nvkm_wr32(device, 0x102130, 0xffffffff);
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nvkm_wr32(device, 0x102140, 0xffffffbf);
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nvkm_wr32(device, 0x10200c, 0x00000010);
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return 0;
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}
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static const struct nvkm_engine_func
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g84_cipher = {
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.init = g84_cipher_init,
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.intr = g84_cipher_intr,
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.cclass = &g84_cipher_cclass,
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.sclass = {
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{ -1, -1, NV74_CIPHER, &g84_cipher_oclass_func },
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{}
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}
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};
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int
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g84_cipher_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_engine **pengine)
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{
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return nvkm_engine_new_(&g84_cipher, device, type, inst, true, pengine);
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}
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