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 <subdev/timer.h> 28 29 #include <nvif/class.h> 30 31 /******************************************************************************* 32 * PMPEG context 33 ******************************************************************************/ 34 35 static int 36 nv50_mpeg_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, 37 int align, struct nvkm_gpuobj **pgpuobj) 38 { 39 int ret = nvkm_gpuobj_new(object->engine->subdev.device, 128 * 4, 40 align, true, parent, pgpuobj); 41 if (ret == 0) { 42 nvkm_kmap(*pgpuobj); 43 nvkm_wo32(*pgpuobj, 0x70, 0x00801ec1); 44 nvkm_wo32(*pgpuobj, 0x7c, 0x0000037c); 45 nvkm_done(*pgpuobj); 46 } 47 return ret; 48 } 49 50 const struct nvkm_object_func 51 nv50_mpeg_cclass = { 52 .bind = nv50_mpeg_cclass_bind, 53 }; 54 55 /******************************************************************************* 56 * PMPEG engine/subdev functions 57 ******************************************************************************/ 58 59 void 60 nv50_mpeg_intr(struct nvkm_engine *mpeg) 61 { 62 struct nvkm_subdev *subdev = &mpeg->subdev; 63 struct nvkm_device *device = subdev->device; 64 u32 stat = nvkm_rd32(device, 0x00b100); 65 u32 type = nvkm_rd32(device, 0x00b230); 66 u32 mthd = nvkm_rd32(device, 0x00b234); 67 u32 data = nvkm_rd32(device, 0x00b238); 68 u32 show = stat; 69 70 if (stat & 0x01000000) { 71 /* happens on initial binding of the object */ 72 if (type == 0x00000020 && mthd == 0x0000) { 73 nvkm_wr32(device, 0x00b308, 0x00000100); 74 show &= ~0x01000000; 75 } 76 } 77 78 if (show) { 79 nvkm_info(subdev, "%08x %08x %08x %08x\n", 80 stat, type, mthd, data); 81 } 82 83 nvkm_wr32(device, 0x00b100, stat); 84 nvkm_wr32(device, 0x00b230, 0x00000001); 85 } 86 87 int 88 nv50_mpeg_init(struct nvkm_engine *mpeg) 89 { 90 struct nvkm_subdev *subdev = &mpeg->subdev; 91 struct nvkm_device *device = subdev->device; 92 93 nvkm_wr32(device, 0x00b32c, 0x00000000); 94 nvkm_wr32(device, 0x00b314, 0x00000100); 95 nvkm_wr32(device, 0x00b0e0, 0x0000001a); 96 97 nvkm_wr32(device, 0x00b220, 0x00000044); 98 nvkm_wr32(device, 0x00b300, 0x00801ec1); 99 nvkm_wr32(device, 0x00b390, 0x00000000); 100 nvkm_wr32(device, 0x00b394, 0x00000000); 101 nvkm_wr32(device, 0x00b398, 0x00000000); 102 nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000001); 103 104 nvkm_wr32(device, 0x00b100, 0xffffffff); 105 nvkm_wr32(device, 0x00b140, 0xffffffff); 106 107 if (nvkm_msec(device, 2000, 108 if (!(nvkm_rd32(device, 0x00b200) & 0x00000001)) 109 break; 110 ) < 0) { 111 nvkm_error(subdev, "timeout %08x\n", 112 nvkm_rd32(device, 0x00b200)); 113 return -EBUSY; 114 } 115 116 return 0; 117 } 118 119 static const struct nvkm_engine_func 120 nv50_mpeg = { 121 .init = nv50_mpeg_init, 122 .intr = nv50_mpeg_intr, 123 .cclass = &nv50_mpeg_cclass, 124 .sclass = { 125 { -1, -1, NV31_MPEG, &nv31_mpeg_object }, 126 {} 127 } 128 }; 129 130 int 131 nv50_mpeg_new(struct nvkm_device *device, int index, struct nvkm_engine **pmpeg) 132 { 133 return nvkm_engine_new_(&nv50_mpeg, device, index, 0x00400002, 134 true, pmpeg); 135 } 136