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 25#include <core/os.h> 26#include <core/client.h> 27#include <core/engctx.h> 28#include <core/handle.h> 29 30#include <subdev/fb.h> 31#include <subdev/timer.h> 32#include <subdev/instmem.h> 33 34#include <engine/fifo.h> 35#include <engine/mpeg.h> 36 37struct nv44_mpeg_priv { 38 struct nouveau_mpeg base; 39}; 40 41struct nv44_mpeg_chan { 42 struct nouveau_mpeg_chan base; 43}; 44 45/******************************************************************************* 46 * PMPEG context 47 ******************************************************************************/ 48 49static int 50nv44_mpeg_context_ctor(struct nouveau_object *parent, 51 struct nouveau_object *engine, 52 struct nouveau_oclass *oclass, void *data, u32 size, 53 struct nouveau_object **pobject) 54{ 55 struct nv44_mpeg_chan *chan; 56 int ret; 57 58 ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL, 59 264 * 4, 16, 60 NVOBJ_FLAG_ZERO_ALLOC, &chan); 61 *pobject = nv_object(chan); 62 if (ret) 63 return ret; 64 65 nv_wo32(&chan->base.base, 0x78, 0x02001ec1); 66 return 0; 67} 68 69static int 70nv44_mpeg_context_fini(struct nouveau_object *object, bool suspend) 71{ 72 73 struct nv44_mpeg_priv *priv = (void *)object->engine; 74 struct nv44_mpeg_chan *chan = (void *)object; 75 u32 inst = 0x80000000 | nv_gpuobj(chan)->addr >> 4; 76 77 nv_mask(priv, 0x00b32c, 0x00000001, 0x00000000); 78 if (nv_rd32(priv, 0x00b318) == inst) 79 nv_mask(priv, 0x00b318, 0x80000000, 0x00000000); 80 nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001); 81 return 0; 82} 83 84static struct nouveau_oclass 85nv44_mpeg_cclass = { 86 .handle = NV_ENGCTX(MPEG, 0x44), 87 .ofuncs = &(struct nouveau_ofuncs) { 88 .ctor = nv44_mpeg_context_ctor, 89 .dtor = _nouveau_mpeg_context_dtor, 90 .init = _nouveau_mpeg_context_init, 91 .fini = nv44_mpeg_context_fini, 92 .rd32 = _nouveau_mpeg_context_rd32, 93 .wr32 = _nouveau_mpeg_context_wr32, 94 }, 95}; 96 97/******************************************************************************* 98 * PMPEG engine/subdev functions 99 ******************************************************************************/ 100 101static void 102nv44_mpeg_intr(struct nouveau_subdev *subdev) 103{ 104 struct nouveau_fifo *pfifo = nouveau_fifo(subdev); 105 struct nouveau_engine *engine = nv_engine(subdev); 106 struct nouveau_object *engctx; 107 struct nouveau_handle *handle; 108 struct nv44_mpeg_priv *priv = (void *)subdev; 109 u32 inst = nv_rd32(priv, 0x00b318) & 0x000fffff; 110 u32 stat = nv_rd32(priv, 0x00b100); 111 u32 type = nv_rd32(priv, 0x00b230); 112 u32 mthd = nv_rd32(priv, 0x00b234); 113 u32 data = nv_rd32(priv, 0x00b238); 114 u32 show = stat; 115 int chid; 116 117 engctx = nouveau_engctx_get(engine, inst); 118 chid = pfifo->chid(pfifo, engctx); 119 120 if (stat & 0x01000000) { 121 /* happens on initial binding of the object */ 122 if (type == 0x00000020 && mthd == 0x0000) { 123 nv_mask(priv, 0x00b308, 0x00000000, 0x00000000); 124 show &= ~0x01000000; 125 } 126 127 if (type == 0x00000010) { 128 handle = nouveau_handle_get_class(engctx, 0x3174); 129 if (handle && !nv_call(handle->object, mthd, data)) 130 show &= ~0x01000000; 131 nouveau_handle_put(handle); 132 } 133 } 134 135 nv_wr32(priv, 0x00b100, stat); 136 nv_wr32(priv, 0x00b230, 0x00000001); 137 138 if (show) { 139 nv_error(priv, 140 "ch %d [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n", 141 chid, inst << 4, nouveau_client_name(engctx), stat, 142 type, mthd, data); 143 } 144 145 nouveau_engctx_put(engctx); 146} 147 148static void 149nv44_mpeg_me_intr(struct nouveau_subdev *subdev) 150{ 151 struct nv44_mpeg_priv *priv = (void *)subdev; 152 u32 stat; 153 154 if ((stat = nv_rd32(priv, 0x00b100))) 155 nv44_mpeg_intr(subdev); 156 157 if ((stat = nv_rd32(priv, 0x00b800))) { 158 nv_error(priv, "PMSRCH 0x%08x\n", stat); 159 nv_wr32(priv, 0x00b800, stat); 160 } 161} 162 163static int 164nv44_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, 165 struct nouveau_oclass *oclass, void *data, u32 size, 166 struct nouveau_object **pobject) 167{ 168 struct nv44_mpeg_priv *priv; 169 int ret; 170 171 ret = nouveau_mpeg_create(parent, engine, oclass, &priv); 172 *pobject = nv_object(priv); 173 if (ret) 174 return ret; 175 176 nv_subdev(priv)->unit = 0x00000002; 177 nv_subdev(priv)->intr = nv44_mpeg_me_intr; 178 nv_engine(priv)->cclass = &nv44_mpeg_cclass; 179 nv_engine(priv)->sclass = nv40_mpeg_sclass; 180 nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog; 181 return 0; 182} 183 184struct nouveau_oclass 185nv44_mpeg_oclass = { 186 .handle = NV_ENGINE(MPEG, 0x44), 187 .ofuncs = &(struct nouveau_ofuncs) { 188 .ctor = nv44_mpeg_ctor, 189 .dtor = _nouveau_mpeg_dtor, 190 .init = nv31_mpeg_init, 191 .fini = _nouveau_mpeg_fini, 192 }, 193}; 194