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, Ilia Mirkin 23 */ 24 #include <engine/vp.h> 25 #include <engine/xtensa.h> 26 27 #include <core/engctx.h> 28 29 /******************************************************************************* 30 * VP object classes 31 ******************************************************************************/ 32 33 static struct nvkm_oclass 34 g84_vp_sclass[] = { 35 { 0x7476, &nvkm_object_ofuncs }, 36 {}, 37 }; 38 39 /******************************************************************************* 40 * PVP context 41 ******************************************************************************/ 42 43 static struct nvkm_oclass 44 g84_vp_cclass = { 45 .handle = NV_ENGCTX(VP, 0x84), 46 .ofuncs = &(struct nvkm_ofuncs) { 47 .ctor = _nvkm_xtensa_engctx_ctor, 48 .dtor = _nvkm_engctx_dtor, 49 .init = _nvkm_engctx_init, 50 .fini = _nvkm_engctx_fini, 51 .rd32 = _nvkm_engctx_rd32, 52 .wr32 = _nvkm_engctx_wr32, 53 }, 54 }; 55 56 /******************************************************************************* 57 * PVP engine/subdev functions 58 ******************************************************************************/ 59 60 static int 61 g84_vp_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 62 struct nvkm_oclass *oclass, void *data, u32 size, 63 struct nvkm_object **pobject) 64 { 65 struct nvkm_xtensa *priv; 66 int ret; 67 68 ret = nvkm_xtensa_create(parent, engine, oclass, 0xf000, true, 69 "PVP", "vp", &priv); 70 *pobject = nv_object(priv); 71 if (ret) 72 return ret; 73 74 nv_subdev(priv)->unit = 0x01020000; 75 nv_engine(priv)->cclass = &g84_vp_cclass; 76 nv_engine(priv)->sclass = g84_vp_sclass; 77 priv->fifo_val = 0x111; 78 priv->unkd28 = 0x9c544; 79 return 0; 80 } 81 82 struct nvkm_oclass 83 g84_vp_oclass = { 84 .handle = NV_ENGINE(VP, 0x84), 85 .ofuncs = &(struct nvkm_ofuncs) { 86 .ctor = g84_vp_ctor, 87 .dtor = _nvkm_xtensa_dtor, 88 .init = _nvkm_xtensa_init, 89 .fini = _nvkm_xtensa_fini, 90 .rd32 = _nvkm_xtensa_rd32, 91 .wr32 = _nvkm_xtensa_wr32, 92 }, 93 }; 94