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/mspdec.h> 25 #include <engine/falcon.h> 26 27 /******************************************************************************* 28 * MSPDEC object classes 29 ******************************************************************************/ 30 31 static struct nvkm_oclass 32 gk104_mspdec_sclass[] = { 33 { 0x95b2, &nvkm_object_ofuncs }, 34 {}, 35 }; 36 37 /******************************************************************************* 38 * PMSPDEC context 39 ******************************************************************************/ 40 41 static struct nvkm_oclass 42 gk104_mspdec_cclass = { 43 .handle = NV_ENGCTX(MSPDEC, 0xe0), 44 .ofuncs = &(struct nvkm_ofuncs) { 45 .ctor = _nvkm_falcon_context_ctor, 46 .dtor = _nvkm_falcon_context_dtor, 47 .init = _nvkm_falcon_context_init, 48 .fini = _nvkm_falcon_context_fini, 49 .rd32 = _nvkm_falcon_context_rd32, 50 .wr32 = _nvkm_falcon_context_wr32, 51 }, 52 }; 53 54 /******************************************************************************* 55 * PMSPDEC engine/subdev functions 56 ******************************************************************************/ 57 58 static int 59 gk104_mspdec_init(struct nvkm_object *object) 60 { 61 struct nvkm_falcon *mspdec = (void *)object; 62 struct nvkm_device *device = mspdec->engine.subdev.device; 63 int ret; 64 65 ret = nvkm_falcon_init(mspdec); 66 if (ret) 67 return ret; 68 69 nvkm_wr32(device, 0x085010, 0x0000fff2); 70 nvkm_wr32(device, 0x08501c, 0x0000fff2); 71 return 0; 72 } 73 74 static int 75 gk104_mspdec_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 76 struct nvkm_oclass *oclass, void *data, u32 size, 77 struct nvkm_object **pobject) 78 { 79 struct nvkm_falcon *falcon; 80 int ret; 81 82 ret = nvkm_falcon_create(parent, engine, oclass, 0x085000, true, 83 "PMSPDEC", "mspdec", &falcon); 84 *pobject = nv_object(falcon); 85 if (ret) 86 return ret; 87 88 nv_subdev(falcon)->unit = 0x00020000; 89 nv_subdev(falcon)->intr = nvkm_falcon_intr; 90 nv_engine(falcon)->cclass = &gk104_mspdec_cclass; 91 nv_engine(falcon)->sclass = gk104_mspdec_sclass; 92 return 0; 93 } 94 95 struct nvkm_oclass 96 gk104_mspdec_oclass = { 97 .handle = NV_ENGINE(MSPDEC, 0xe0), 98 .ofuncs = &(struct nvkm_ofuncs) { 99 .ctor = gk104_mspdec_ctor, 100 .dtor = _nvkm_falcon_dtor, 101 .init = gk104_mspdec_init, 102 .fini = _nvkm_falcon_fini, 103 }, 104 }; 105