| /* |
| * 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, 0x00, object->oclass); |
| nvkm_wo32(*pgpuobj, 0x04, 0x00000000); |
| nvkm_wo32(*pgpuobj, 0x08, 0x00000000); |
| nvkm_wo32(*pgpuobj, 0x0c, 0x00000000); |
| 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[] = { |
| { 0x00000001, "INVALID_STATE" }, |
| { 0x00000002, "ILLEGAL_MTHD" }, |
| { 0x00000004, "ILLEGAL_CLASS" }, |
| { 0x00000080, "QUERY" }, |
| { 0x00000100, "FAULT" }, |
| {} |
| }; |
| |
| static void |
| g84_cipher_intr(struct nvkm_engine *cipher) |
| { |
| struct nvkm_subdev *subdev = &cipher->subdev; |
| struct nvkm_device *device = subdev->device; |
| struct nvkm_fifo *fifo = device->fifo; |
| struct nvkm_fifo_chan *chan; |
| u32 stat = nvkm_rd32(device, 0x102130); |
| u32 mthd = nvkm_rd32(device, 0x102190); |
| u32 data = nvkm_rd32(device, 0x102194); |
| u32 inst = nvkm_rd32(device, 0x102188) & 0x7fffffff; |
| unsigned long flags; |
| char msg[128]; |
| |
| chan = nvkm_fifo_chan_inst(fifo, (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->chid : -1, (u64)inst << 12, |
| chan ? chan->object.client->name : "unknown", |
| mthd, data); |
| } |
| nvkm_fifo_chan_put(fifo, flags, &chan); |
| |
| nvkm_wr32(device, 0x102130, stat); |
| nvkm_wr32(device, 0x10200c, 0x10); |
| } |
| |
| static int |
| g84_cipher_init(struct nvkm_engine *cipher) |
| { |
| struct nvkm_device *device = cipher->subdev.device; |
| nvkm_wr32(device, 0x102130, 0xffffffff); |
| nvkm_wr32(device, 0x102140, 0xffffffbf); |
| nvkm_wr32(device, 0x10200c, 0x00000010); |
| 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); |
| } |