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/sw.h> 25 #include <engine/fifo.h> 26 27 struct nv04_sw_priv { 28 struct nvkm_sw base; 29 }; 30 31 struct nv04_sw_chan { 32 struct nvkm_sw_chan base; 33 }; 34 35 /******************************************************************************* 36 * software object classes 37 ******************************************************************************/ 38 39 static int 40 nv04_sw_set_ref(struct nvkm_object *object, u32 mthd, void *data, u32 size) 41 { 42 struct nvkm_object *channel = (void *)nv_engctx(object->parent); 43 struct nvkm_fifo_chan *fifo = (void *)channel->parent; 44 atomic_set(&fifo->refcnt, *(u32*)data); 45 return 0; 46 } 47 48 static int 49 nv04_sw_flip(struct nvkm_object *object, u32 mthd, void *args, u32 size) 50 { 51 struct nv04_sw_chan *chan = (void *)nv_engctx(object->parent); 52 if (chan->base.flip) 53 return chan->base.flip(chan->base.flip_data); 54 return -EINVAL; 55 } 56 57 static struct nvkm_omthds 58 nv04_sw_omthds[] = { 59 { 0x0150, 0x0150, nv04_sw_set_ref }, 60 { 0x0500, 0x0500, nv04_sw_flip }, 61 {} 62 }; 63 64 static struct nvkm_oclass 65 nv04_sw_sclass[] = { 66 { 0x006e, &nvkm_object_ofuncs, nv04_sw_omthds }, 67 {} 68 }; 69 70 /******************************************************************************* 71 * software context 72 ******************************************************************************/ 73 74 static int 75 nv04_sw_context_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 nv04_sw_chan *chan; 80 int ret; 81 82 ret = nvkm_sw_context_create(parent, engine, oclass, &chan); 83 *pobject = nv_object(chan); 84 if (ret) 85 return ret; 86 87 return 0; 88 } 89 90 static struct nvkm_oclass 91 nv04_sw_cclass = { 92 .handle = NV_ENGCTX(SW, 0x04), 93 .ofuncs = &(struct nvkm_ofuncs) { 94 .ctor = nv04_sw_context_ctor, 95 .dtor = _nvkm_sw_context_dtor, 96 .init = _nvkm_sw_context_init, 97 .fini = _nvkm_sw_context_fini, 98 }, 99 }; 100 101 /******************************************************************************* 102 * software engine/subdev functions 103 ******************************************************************************/ 104 105 void 106 nv04_sw_intr(struct nvkm_subdev *subdev) 107 { 108 nv_mask(subdev, 0x000100, 0x80000000, 0x00000000); 109 } 110 111 static int 112 nv04_sw_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 113 struct nvkm_oclass *oclass, void *data, u32 size, 114 struct nvkm_object **pobject) 115 { 116 struct nv04_sw_priv *priv; 117 int ret; 118 119 ret = nvkm_sw_create(parent, engine, oclass, &priv); 120 *pobject = nv_object(priv); 121 if (ret) 122 return ret; 123 124 nv_engine(priv)->cclass = &nv04_sw_cclass; 125 nv_engine(priv)->sclass = nv04_sw_sclass; 126 nv_subdev(priv)->intr = nv04_sw_intr; 127 return 0; 128 } 129 130 struct nvkm_oclass * 131 nv04_sw_oclass = &(struct nvkm_oclass) { 132 .handle = NV_ENGINE(SW, 0x04), 133 .ofuncs = &(struct nvkm_ofuncs) { 134 .ctor = nv04_sw_ctor, 135 .dtor = _nvkm_sw_dtor, 136 .init = _nvkm_sw_init, 137 .fini = _nvkm_sw_fini, 138 }, 139 }; 140