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/mpeg.h> 25 26 #include <core/client.h> 27 #include <core/handle.h> 28 #include <engine/fifo.h> 29 30 struct nv44_mpeg_priv { 31 struct nvkm_mpeg base; 32 }; 33 34 struct nv44_mpeg_chan { 35 struct nvkm_mpeg_chan base; 36 }; 37 38 /******************************************************************************* 39 * PMPEG context 40 ******************************************************************************/ 41 42 static int 43 nv44_mpeg_context_ctor(struct nvkm_object *parent, 44 struct nvkm_object *engine, 45 struct nvkm_oclass *oclass, void *data, u32 size, 46 struct nvkm_object **pobject) 47 { 48 struct nv44_mpeg_chan *chan; 49 int ret; 50 51 ret = nvkm_mpeg_context_create(parent, engine, oclass, NULL, 264 * 4, 52 16, NVOBJ_FLAG_ZERO_ALLOC, &chan); 53 *pobject = nv_object(chan); 54 if (ret) 55 return ret; 56 57 nv_wo32(&chan->base.base, 0x78, 0x02001ec1); 58 return 0; 59 } 60 61 static int 62 nv44_mpeg_context_fini(struct nvkm_object *object, bool suspend) 63 { 64 65 struct nv44_mpeg_priv *priv = (void *)object->engine; 66 struct nv44_mpeg_chan *chan = (void *)object; 67 u32 inst = 0x80000000 | nv_gpuobj(chan)->addr >> 4; 68 69 nv_mask(priv, 0x00b32c, 0x00000001, 0x00000000); 70 if (nv_rd32(priv, 0x00b318) == inst) 71 nv_mask(priv, 0x00b318, 0x80000000, 0x00000000); 72 nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001); 73 return 0; 74 } 75 76 static struct nvkm_oclass 77 nv44_mpeg_cclass = { 78 .handle = NV_ENGCTX(MPEG, 0x44), 79 .ofuncs = &(struct nvkm_ofuncs) { 80 .ctor = nv44_mpeg_context_ctor, 81 .dtor = _nvkm_mpeg_context_dtor, 82 .init = _nvkm_mpeg_context_init, 83 .fini = nv44_mpeg_context_fini, 84 .rd32 = _nvkm_mpeg_context_rd32, 85 .wr32 = _nvkm_mpeg_context_wr32, 86 }, 87 }; 88 89 /******************************************************************************* 90 * PMPEG engine/subdev functions 91 ******************************************************************************/ 92 93 static void 94 nv44_mpeg_intr(struct nvkm_subdev *subdev) 95 { 96 struct nvkm_fifo *pfifo = nvkm_fifo(subdev); 97 struct nvkm_engine *engine = nv_engine(subdev); 98 struct nvkm_object *engctx; 99 struct nvkm_handle *handle; 100 struct nv44_mpeg_priv *priv = (void *)subdev; 101 u32 inst = nv_rd32(priv, 0x00b318) & 0x000fffff; 102 u32 stat = nv_rd32(priv, 0x00b100); 103 u32 type = nv_rd32(priv, 0x00b230); 104 u32 mthd = nv_rd32(priv, 0x00b234); 105 u32 data = nv_rd32(priv, 0x00b238); 106 u32 show = stat; 107 int chid; 108 109 engctx = nvkm_engctx_get(engine, inst); 110 chid = pfifo->chid(pfifo, engctx); 111 112 if (stat & 0x01000000) { 113 /* happens on initial binding of the object */ 114 if (type == 0x00000020 && mthd == 0x0000) { 115 nv_mask(priv, 0x00b308, 0x00000000, 0x00000000); 116 show &= ~0x01000000; 117 } 118 119 if (type == 0x00000010) { 120 handle = nvkm_handle_get_class(engctx, 0x3174); 121 if (handle && !nv_call(handle->object, mthd, data)) 122 show &= ~0x01000000; 123 nvkm_handle_put(handle); 124 } 125 } 126 127 nv_wr32(priv, 0x00b100, stat); 128 nv_wr32(priv, 0x00b230, 0x00000001); 129 130 if (show) { 131 nv_error(priv, 132 "ch %d [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n", 133 chid, inst << 4, nvkm_client_name(engctx), stat, 134 type, mthd, data); 135 } 136 137 nvkm_engctx_put(engctx); 138 } 139 140 static void 141 nv44_mpeg_me_intr(struct nvkm_subdev *subdev) 142 { 143 struct nv44_mpeg_priv *priv = (void *)subdev; 144 u32 stat; 145 146 if ((stat = nv_rd32(priv, 0x00b100))) 147 nv44_mpeg_intr(subdev); 148 149 if ((stat = nv_rd32(priv, 0x00b800))) { 150 nv_error(priv, "PMSRCH 0x%08x\n", stat); 151 nv_wr32(priv, 0x00b800, stat); 152 } 153 } 154 155 static int 156 nv44_mpeg_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 157 struct nvkm_oclass *oclass, void *data, u32 size, 158 struct nvkm_object **pobject) 159 { 160 struct nv44_mpeg_priv *priv; 161 int ret; 162 163 ret = nvkm_mpeg_create(parent, engine, oclass, &priv); 164 *pobject = nv_object(priv); 165 if (ret) 166 return ret; 167 168 nv_subdev(priv)->unit = 0x00000002; 169 nv_subdev(priv)->intr = nv44_mpeg_me_intr; 170 nv_engine(priv)->cclass = &nv44_mpeg_cclass; 171 nv_engine(priv)->sclass = nv40_mpeg_sclass; 172 nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog; 173 return 0; 174 } 175 176 struct nvkm_oclass 177 nv44_mpeg_oclass = { 178 .handle = NV_ENGINE(MPEG, 0x44), 179 .ofuncs = &(struct nvkm_ofuncs) { 180 .ctor = nv44_mpeg_ctor, 181 .dtor = _nvkm_mpeg_dtor, 182 .init = nv31_mpeg_init, 183 .fini = _nvkm_mpeg_fini, 184 }, 185 }; 186