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 "priv.h" 25 26 #include <core/gpuobj.h> 27 #include <core/object.h> 28 #include <subdev/timer.h> 29 30 #include <nvif/class.h> 31 32 /******************************************************************************* 33 * PMPEG context 34 ******************************************************************************/ 35 36 static int 37 nv50_mpeg_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, 38 int align, struct nvkm_gpuobj **pgpuobj) 39 { 40 int ret = nvkm_gpuobj_new(object->engine->subdev.device, 128 * 4, 41 align, true, parent, pgpuobj); 42 if (ret == 0) { 43 nvkm_kmap(*pgpuobj); 44 nvkm_wo32(*pgpuobj, 0x70, 0x00801ec1); 45 nvkm_wo32(*pgpuobj, 0x7c, 0x0000037c); 46 nvkm_done(*pgpuobj); 47 } 48 return ret; 49 } 50 51 const struct nvkm_object_func 52 nv50_mpeg_cclass = { 53 .bind = nv50_mpeg_cclass_bind, 54 }; 55 56 /******************************************************************************* 57 * PMPEG engine/subdev functions 58 ******************************************************************************/ 59 60 void 61 nv50_mpeg_intr(struct nvkm_engine *mpeg) 62 { 63 struct nvkm_subdev *subdev = &mpeg->subdev; 64 struct nvkm_device *device = subdev->device; 65 u32 stat = nvkm_rd32(device, 0x00b100); 66 u32 type = nvkm_rd32(device, 0x00b230); 67 u32 mthd = nvkm_rd32(device, 0x00b234); 68 u32 data = nvkm_rd32(device, 0x00b238); 69 u32 show = stat; 70 71 if (stat & 0x01000000) { 72 /* happens on initial binding of the object */ 73 if (type == 0x00000020 && mthd == 0x0000) { 74 nvkm_wr32(device, 0x00b308, 0x00000100); 75 show &= ~0x01000000; 76 } 77 } 78 79 if (show) { 80 nvkm_info(subdev, "%08x %08x %08x %08x\n", 81 stat, type, mthd, data); 82 } 83 84 nvkm_wr32(device, 0x00b100, stat); 85 nvkm_wr32(device, 0x00b230, 0x00000001); 86 } 87 88 int 89 nv50_mpeg_init(struct nvkm_engine *mpeg) 90 { 91 struct nvkm_subdev *subdev = &mpeg->subdev; 92 struct nvkm_device *device = subdev->device; 93 94 nvkm_wr32(device, 0x00b32c, 0x00000000); 95 nvkm_wr32(device, 0x00b314, 0x00000100); 96 nvkm_wr32(device, 0x00b0e0, 0x0000001a); 97 98 nvkm_wr32(device, 0x00b220, 0x00000044); 99 nvkm_wr32(device, 0x00b300, 0x00801ec1); 100 nvkm_wr32(device, 0x00b390, 0x00000000); 101 nvkm_wr32(device, 0x00b394, 0x00000000); 102 nvkm_wr32(device, 0x00b398, 0x00000000); 103 nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000001); 104 105 nvkm_wr32(device, 0x00b100, 0xffffffff); 106 nvkm_wr32(device, 0x00b140, 0xffffffff); 107 108 if (nvkm_msec(device, 2000, 109 if (!(nvkm_rd32(device, 0x00b200) & 0x00000001)) 110 break; 111 ) < 0) { 112 nvkm_error(subdev, "timeout %08x\n", 113 nvkm_rd32(device, 0x00b200)); 114 return -EBUSY; 115 } 116 117 return 0; 118 } 119 120 static const struct nvkm_engine_func 121 nv50_mpeg = { 122 .init = nv50_mpeg_init, 123 .intr = nv50_mpeg_intr, 124 .cclass = &nv50_mpeg_cclass, 125 .sclass = { 126 { -1, -1, NV31_MPEG, &nv31_mpeg_object }, 127 {} 128 } 129 }; 130 131 int 132 nv50_mpeg_new(struct nvkm_device *device, int index, struct nvkm_engine **pmpeg) 133 { 134 return nvkm_engine_new_(&nv50_mpeg, device, index, true, pmpeg); 135 } 136