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 <subdev/bar.h> 27 #include <subdev/timer.h> 28 29 struct nv50_mpeg_chan { 30 struct nvkm_mpeg_chan base; 31 }; 32 33 /******************************************************************************* 34 * MPEG object classes 35 ******************************************************************************/ 36 37 static int 38 nv50_mpeg_object_ctor(struct nvkm_object *parent, 39 struct nvkm_object *engine, 40 struct nvkm_oclass *oclass, void *data, u32 size, 41 struct nvkm_object **pobject) 42 { 43 struct nvkm_gpuobj *obj; 44 int ret; 45 46 ret = nvkm_gpuobj_create(parent, engine, oclass, 0, parent, 47 16, 16, 0, &obj); 48 *pobject = nv_object(obj); 49 if (ret) 50 return ret; 51 52 nv_wo32(obj, 0x00, nv_mclass(obj)); 53 nv_wo32(obj, 0x04, 0x00000000); 54 nv_wo32(obj, 0x08, 0x00000000); 55 nv_wo32(obj, 0x0c, 0x00000000); 56 return 0; 57 } 58 59 struct nvkm_ofuncs 60 nv50_mpeg_ofuncs = { 61 .ctor = nv50_mpeg_object_ctor, 62 .dtor = _nvkm_gpuobj_dtor, 63 .init = _nvkm_gpuobj_init, 64 .fini = _nvkm_gpuobj_fini, 65 .rd32 = _nvkm_gpuobj_rd32, 66 .wr32 = _nvkm_gpuobj_wr32, 67 }; 68 69 static struct nvkm_oclass 70 nv50_mpeg_sclass[] = { 71 { 0x3174, &nv50_mpeg_ofuncs }, 72 {} 73 }; 74 75 /******************************************************************************* 76 * PMPEG context 77 ******************************************************************************/ 78 79 int 80 nv50_mpeg_context_ctor(struct nvkm_object *parent, 81 struct nvkm_object *engine, 82 struct nvkm_oclass *oclass, void *data, u32 size, 83 struct nvkm_object **pobject) 84 { 85 struct nvkm_bar *bar = nvkm_bar(parent); 86 struct nv50_mpeg_chan *chan; 87 int ret; 88 89 ret = nvkm_mpeg_context_create(parent, engine, oclass, NULL, 128 * 4, 90 0, NVOBJ_FLAG_ZERO_ALLOC, &chan); 91 *pobject = nv_object(chan); 92 if (ret) 93 return ret; 94 95 nv_wo32(chan, 0x0070, 0x00801ec1); 96 nv_wo32(chan, 0x007c, 0x0000037c); 97 bar->flush(bar); 98 return 0; 99 } 100 101 static struct nvkm_oclass 102 nv50_mpeg_cclass = { 103 .handle = NV_ENGCTX(MPEG, 0x50), 104 .ofuncs = &(struct nvkm_ofuncs) { 105 .ctor = nv50_mpeg_context_ctor, 106 .dtor = _nvkm_mpeg_context_dtor, 107 .init = _nvkm_mpeg_context_init, 108 .fini = _nvkm_mpeg_context_fini, 109 .rd32 = _nvkm_mpeg_context_rd32, 110 .wr32 = _nvkm_mpeg_context_wr32, 111 }, 112 }; 113 114 /******************************************************************************* 115 * PMPEG engine/subdev functions 116 ******************************************************************************/ 117 118 void 119 nv50_mpeg_intr(struct nvkm_subdev *subdev) 120 { 121 struct nvkm_mpeg *mpeg = (void *)subdev; 122 u32 stat = nv_rd32(mpeg, 0x00b100); 123 u32 type = nv_rd32(mpeg, 0x00b230); 124 u32 mthd = nv_rd32(mpeg, 0x00b234); 125 u32 data = nv_rd32(mpeg, 0x00b238); 126 u32 show = stat; 127 128 if (stat & 0x01000000) { 129 /* happens on initial binding of the object */ 130 if (type == 0x00000020 && mthd == 0x0000) { 131 nv_wr32(mpeg, 0x00b308, 0x00000100); 132 show &= ~0x01000000; 133 } 134 } 135 136 if (show) { 137 nv_info(mpeg, "0x%08x 0x%08x 0x%08x 0x%08x\n", 138 stat, type, mthd, data); 139 } 140 141 nv_wr32(mpeg, 0x00b100, stat); 142 nv_wr32(mpeg, 0x00b230, 0x00000001); 143 } 144 145 static void 146 nv50_vpe_intr(struct nvkm_subdev *subdev) 147 { 148 struct nvkm_mpeg *mpeg = (void *)subdev; 149 150 if (nv_rd32(mpeg, 0x00b100)) 151 nv50_mpeg_intr(subdev); 152 153 if (nv_rd32(mpeg, 0x00b800)) { 154 u32 stat = nv_rd32(mpeg, 0x00b800); 155 nv_info(mpeg, "PMSRCH: 0x%08x\n", stat); 156 nv_wr32(mpeg, 0xb800, stat); 157 } 158 } 159 160 static int 161 nv50_mpeg_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 162 struct nvkm_oclass *oclass, void *data, u32 size, 163 struct nvkm_object **pobject) 164 { 165 struct nvkm_mpeg *mpeg; 166 int ret; 167 168 ret = nvkm_mpeg_create(parent, engine, oclass, &mpeg); 169 *pobject = nv_object(mpeg); 170 if (ret) 171 return ret; 172 173 nv_subdev(mpeg)->unit = 0x00400002; 174 nv_subdev(mpeg)->intr = nv50_vpe_intr; 175 nv_engine(mpeg)->cclass = &nv50_mpeg_cclass; 176 nv_engine(mpeg)->sclass = nv50_mpeg_sclass; 177 return 0; 178 } 179 180 int 181 nv50_mpeg_init(struct nvkm_object *object) 182 { 183 struct nvkm_mpeg *mpeg = (void *)object; 184 int ret; 185 186 ret = nvkm_mpeg_init(mpeg); 187 if (ret) 188 return ret; 189 190 nv_wr32(mpeg, 0x00b32c, 0x00000000); 191 nv_wr32(mpeg, 0x00b314, 0x00000100); 192 nv_wr32(mpeg, 0x00b0e0, 0x0000001a); 193 194 nv_wr32(mpeg, 0x00b220, 0x00000044); 195 nv_wr32(mpeg, 0x00b300, 0x00801ec1); 196 nv_wr32(mpeg, 0x00b390, 0x00000000); 197 nv_wr32(mpeg, 0x00b394, 0x00000000); 198 nv_wr32(mpeg, 0x00b398, 0x00000000); 199 nv_mask(mpeg, 0x00b32c, 0x00000001, 0x00000001); 200 201 nv_wr32(mpeg, 0x00b100, 0xffffffff); 202 nv_wr32(mpeg, 0x00b140, 0xffffffff); 203 204 if (!nv_wait(mpeg, 0x00b200, 0x00000001, 0x00000000)) { 205 nv_error(mpeg, "timeout 0x%08x\n", nv_rd32(mpeg, 0x00b200)); 206 return -EBUSY; 207 } 208 209 return 0; 210 } 211 212 struct nvkm_oclass 213 nv50_mpeg_oclass = { 214 .handle = NV_ENGINE(MPEG, 0x50), 215 .ofuncs = &(struct nvkm_ofuncs) { 216 .ctor = nv50_mpeg_ctor, 217 .dtor = _nvkm_mpeg_dtor, 218 .init = nv50_mpeg_init, 219 .fini = _nvkm_mpeg_fini, 220 }, 221 }; 222