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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | /* * 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/engctx.h> #include <core/enum.h> struct g84_cipher_priv { struct nvkm_engine base; }; /******************************************************************************* * Crypt object classes ******************************************************************************/ static int g84_cipher_object_ctor(struct nvkm_object *parent, struct nvkm_object *engine, struct nvkm_oclass *oclass, void *data, u32 size, struct nvkm_object **pobject) { struct nvkm_gpuobj *obj; int ret; ret = nvkm_gpuobj_create(parent, engine, oclass, 0, parent, 16, 16, 0, &obj); *pobject = nv_object(obj); if (ret) return ret; nv_wo32(obj, 0x00, nv_mclass(obj)); nv_wo32(obj, 0x04, 0x00000000); nv_wo32(obj, 0x08, 0x00000000); nv_wo32(obj, 0x0c, 0x00000000); return 0; } static struct nvkm_ofuncs g84_cipher_ofuncs = { .ctor = g84_cipher_object_ctor, .dtor = _nvkm_gpuobj_dtor, .init = _nvkm_gpuobj_init, .fini = _nvkm_gpuobj_fini, .rd32 = _nvkm_gpuobj_rd32, .wr32 = _nvkm_gpuobj_wr32, }; static struct nvkm_oclass g84_cipher_sclass[] = { { 0x74c1, &g84_cipher_ofuncs }, {} }; /******************************************************************************* * PCIPHER context ******************************************************************************/ static struct nvkm_oclass g84_cipher_cclass = { .handle = NV_ENGCTX(CIPHER, 0x84), .ofuncs = &(struct nvkm_ofuncs) { .ctor = _nvkm_engctx_ctor, .dtor = _nvkm_engctx_dtor, .init = _nvkm_engctx_init, .fini = _nvkm_engctx_fini, .rd32 = _nvkm_engctx_rd32, .wr32 = _nvkm_engctx_wr32, }, }; /******************************************************************************* * PCIPHER engine/subdev functions ******************************************************************************/ 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_subdev *subdev) { struct nvkm_fifo *pfifo = nvkm_fifo(subdev); struct nvkm_engine *engine = nv_engine(subdev); struct nvkm_object *engctx; struct g84_cipher_priv *priv = (void *)subdev; u32 stat = nv_rd32(priv, 0x102130); u32 mthd = nv_rd32(priv, 0x102190); u32 data = nv_rd32(priv, 0x102194); u32 inst = nv_rd32(priv, 0x102188) & 0x7fffffff; int chid; engctx = nvkm_engctx_get(engine, inst); chid = pfifo->chid(pfifo, engctx); if (stat) { nv_error(priv, "%s", ""); nvkm_bitfield_print(g84_cipher_intr_mask, stat); pr_cont(" ch %d [0x%010llx %s] mthd 0x%04x data 0x%08x\n", chid, (u64)inst << 12, nvkm_client_name(engctx), mthd, data); } nv_wr32(priv, 0x102130, stat); nv_wr32(priv, 0x10200c, 0x10); nvkm_engctx_put(engctx); } static int g84_cipher_ctor(struct nvkm_object *parent, struct nvkm_object *engine, struct nvkm_oclass *oclass, void *data, u32 size, struct nvkm_object **pobject) { struct g84_cipher_priv *priv; int ret; ret = nvkm_engine_create(parent, engine, oclass, true, "PCIPHER", "cipher", &priv); *pobject = nv_object(priv); if (ret) return ret; nv_subdev(priv)->unit = 0x00004000; nv_subdev(priv)->intr = g84_cipher_intr; nv_engine(priv)->cclass = &g84_cipher_cclass; nv_engine(priv)->sclass = g84_cipher_sclass; return 0; } static int g84_cipher_init(struct nvkm_object *object) { struct g84_cipher_priv *priv = (void *)object; int ret; ret = nvkm_engine_init(&priv->base); if (ret) return ret; nv_wr32(priv, 0x102130, 0xffffffff); nv_wr32(priv, 0x102140, 0xffffffbf); nv_wr32(priv, 0x10200c, 0x00000010); return 0; } struct nvkm_oclass g84_cipher_oclass = { .handle = NV_ENGINE(CIPHER, 0x84), .ofuncs = &(struct nvkm_ofuncs) { .ctor = g84_cipher_ctor, .dtor = _nvkm_engine_dtor, .init = g84_cipher_init, .fini = _nvkm_engine_fini, }, }; |