1 /* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 #include <engine/ce.h> 25 26 #include <core/engctx.h> 27 28 struct gk104_ce_priv { 29 struct nvkm_engine base; 30 }; 31 32 /******************************************************************************* 33 * Copy object classes 34 ******************************************************************************/ 35 36 static struct nvkm_oclass 37 gk104_ce_sclass[] = { 38 { 0xa0b5, &nvkm_object_ofuncs }, 39 {}, 40 }; 41 42 /******************************************************************************* 43 * PCE context 44 ******************************************************************************/ 45 46 static struct nvkm_ofuncs 47 gk104_ce_context_ofuncs = { 48 .ctor = _nvkm_engctx_ctor, 49 .dtor = _nvkm_engctx_dtor, 50 .init = _nvkm_engctx_init, 51 .fini = _nvkm_engctx_fini, 52 .rd32 = _nvkm_engctx_rd32, 53 .wr32 = _nvkm_engctx_wr32, 54 }; 55 56 static struct nvkm_oclass 57 gk104_ce_cclass = { 58 .handle = NV_ENGCTX(CE0, 0xc0), 59 .ofuncs = &gk104_ce_context_ofuncs, 60 }; 61 62 /******************************************************************************* 63 * PCE engine/subdev functions 64 ******************************************************************************/ 65 66 static void 67 gk104_ce_intr(struct nvkm_subdev *subdev) 68 { 69 const int ce = nv_subidx(subdev) - NVDEV_ENGINE_CE0; 70 struct gk104_ce_priv *priv = (void *)subdev; 71 u32 stat = nv_rd32(priv, 0x104908 + (ce * 0x1000)); 72 73 if (stat) { 74 nv_warn(priv, "unhandled intr 0x%08x\n", stat); 75 nv_wr32(priv, 0x104908 + (ce * 0x1000), stat); 76 } 77 } 78 79 static int 80 gk104_ce0_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 81 struct nvkm_oclass *oclass, void *data, u32 size, 82 struct nvkm_object **pobject) 83 { 84 struct gk104_ce_priv *priv; 85 int ret; 86 87 ret = nvkm_engine_create(parent, engine, oclass, true, 88 "PCE0", "ce0", &priv); 89 *pobject = nv_object(priv); 90 if (ret) 91 return ret; 92 93 nv_subdev(priv)->unit = 0x00000040; 94 nv_subdev(priv)->intr = gk104_ce_intr; 95 nv_engine(priv)->cclass = &gk104_ce_cclass; 96 nv_engine(priv)->sclass = gk104_ce_sclass; 97 return 0; 98 } 99 100 static int 101 gk104_ce1_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 102 struct nvkm_oclass *oclass, void *data, u32 size, 103 struct nvkm_object **pobject) 104 { 105 struct gk104_ce_priv *priv; 106 int ret; 107 108 ret = nvkm_engine_create(parent, engine, oclass, true, 109 "PCE1", "ce1", &priv); 110 *pobject = nv_object(priv); 111 if (ret) 112 return ret; 113 114 nv_subdev(priv)->unit = 0x00000080; 115 nv_subdev(priv)->intr = gk104_ce_intr; 116 nv_engine(priv)->cclass = &gk104_ce_cclass; 117 nv_engine(priv)->sclass = gk104_ce_sclass; 118 return 0; 119 } 120 121 static int 122 gk104_ce2_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 123 struct nvkm_oclass *oclass, void *data, u32 size, 124 struct nvkm_object **pobject) 125 { 126 struct gk104_ce_priv *priv; 127 int ret; 128 129 ret = nvkm_engine_create(parent, engine, oclass, true, 130 "PCE2", "ce2", &priv); 131 *pobject = nv_object(priv); 132 if (ret) 133 return ret; 134 135 nv_subdev(priv)->unit = 0x00200000; 136 nv_subdev(priv)->intr = gk104_ce_intr; 137 nv_engine(priv)->cclass = &gk104_ce_cclass; 138 nv_engine(priv)->sclass = gk104_ce_sclass; 139 return 0; 140 } 141 142 struct nvkm_oclass 143 gk104_ce0_oclass = { 144 .handle = NV_ENGINE(CE0, 0xe0), 145 .ofuncs = &(struct nvkm_ofuncs) { 146 .ctor = gk104_ce0_ctor, 147 .dtor = _nvkm_engine_dtor, 148 .init = _nvkm_engine_init, 149 .fini = _nvkm_engine_fini, 150 }, 151 }; 152 153 struct nvkm_oclass 154 gk104_ce1_oclass = { 155 .handle = NV_ENGINE(CE1, 0xe0), 156 .ofuncs = &(struct nvkm_ofuncs) { 157 .ctor = gk104_ce1_ctor, 158 .dtor = _nvkm_engine_dtor, 159 .init = _nvkm_engine_init, 160 .fini = _nvkm_engine_fini, 161 }, 162 }; 163 164 struct nvkm_oclass 165 gk104_ce2_oclass = { 166 .handle = NV_ENGINE(CE2, 0xe0), 167 .ofuncs = &(struct nvkm_ofuncs) { 168 .ctor = gk104_ce2_ctor, 169 .dtor = _nvkm_engine_dtor, 170 .init = _nvkm_engine_init, 171 .fini = _nvkm_engine_fini, 172 }, 173 }; 174