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, Maarten Lankhorst, Ilia Mirkin 23 */ 24 #include <engine/msppp.h> 25 #include <engine/falcon.h> 26 27 struct g98_msppp_priv { 28 struct nvkm_falcon base; 29 }; 30 31 /******************************************************************************* 32 * MSPPP object classes 33 ******************************************************************************/ 34 35 static struct nvkm_oclass 36 g98_msppp_sclass[] = { 37 { 0x88b3, &nvkm_object_ofuncs }, 38 { 0x85b3, &nvkm_object_ofuncs }, 39 {}, 40 }; 41 42 /******************************************************************************* 43 * PMSPPP context 44 ******************************************************************************/ 45 46 static struct nvkm_oclass 47 g98_msppp_cclass = { 48 .handle = NV_ENGCTX(MSPPP, 0x98), 49 .ofuncs = &(struct nvkm_ofuncs) { 50 .ctor = _nvkm_falcon_context_ctor, 51 .dtor = _nvkm_falcon_context_dtor, 52 .init = _nvkm_falcon_context_init, 53 .fini = _nvkm_falcon_context_fini, 54 .rd32 = _nvkm_falcon_context_rd32, 55 .wr32 = _nvkm_falcon_context_wr32, 56 }, 57 }; 58 59 /******************************************************************************* 60 * PMSPPP engine/subdev functions 61 ******************************************************************************/ 62 63 static int 64 g98_msppp_init(struct nvkm_object *object) 65 { 66 struct g98_msppp_priv *priv = (void *)object; 67 int ret; 68 69 ret = nvkm_falcon_init(&priv->base); 70 if (ret) 71 return ret; 72 73 nv_wr32(priv, 0x086010, 0x0000ffd2); 74 nv_wr32(priv, 0x08601c, 0x0000fff2); 75 return 0; 76 } 77 78 static int 79 g98_msppp_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 80 struct nvkm_oclass *oclass, void *data, u32 size, 81 struct nvkm_object **pobject) 82 { 83 struct g98_msppp_priv *priv; 84 int ret; 85 86 ret = nvkm_falcon_create(parent, engine, oclass, 0x086000, true, 87 "PMSPPP", "msppp", &priv); 88 *pobject = nv_object(priv); 89 if (ret) 90 return ret; 91 92 nv_subdev(priv)->unit = 0x00400002; 93 nv_engine(priv)->cclass = &g98_msppp_cclass; 94 nv_engine(priv)->sclass = g98_msppp_sclass; 95 return 0; 96 } 97 98 struct nvkm_oclass 99 g98_msppp_oclass = { 100 .handle = NV_ENGINE(MSPPP, 0x98), 101 .ofuncs = &(struct nvkm_ofuncs) { 102 .ctor = g98_msppp_ctor, 103 .dtor = _nvkm_falcon_dtor, 104 .init = g98_msppp_init, 105 .fini = _nvkm_falcon_fini, 106 .rd32 = _nvkm_falcon_rd32, 107 .wr32 = _nvkm_falcon_wr32, 108 }, 109 }; 110