| /* |
| * Copyright 2012 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| |
| #include <core/os.h> |
| #include <core/class.h> |
| #include <core/engctx.h> |
| |
| #include <subdev/vm.h> |
| #include <subdev/bar.h> |
| #include <subdev/timer.h> |
| |
| #include <engine/mpeg.h> |
| |
| struct nv50_mpeg_priv { |
| struct nouveau_mpeg base; |
| }; |
| |
| struct nv50_mpeg_chan { |
| struct nouveau_mpeg_chan base; |
| }; |
| |
| /******************************************************************************* |
| * MPEG object classes |
| ******************************************************************************/ |
| |
| static int |
| nv50_mpeg_object_ctor(struct nouveau_object *parent, |
| struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nouveau_gpuobj *obj; |
| int ret; |
| |
| ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent, |
| 16, 16, 0, &obj); |
| *pobject = nv_object(obj); |
| if (ret) |
| return ret; |
| |
| nv_wo32(obj, 0x00, nv_mclass(obj)); |
| nv_wo32(obj, 0x04, 0x00000000); |
| nv_wo32(obj, 0x08, 0x00000000); |
| nv_wo32(obj, 0x0c, 0x00000000); |
| return 0; |
| } |
| |
| struct nouveau_ofuncs |
| nv50_mpeg_ofuncs = { |
| .ctor = nv50_mpeg_object_ctor, |
| .dtor = _nouveau_gpuobj_dtor, |
| .init = _nouveau_gpuobj_init, |
| .fini = _nouveau_gpuobj_fini, |
| .rd32 = _nouveau_gpuobj_rd32, |
| .wr32 = _nouveau_gpuobj_wr32, |
| }; |
| |
| static struct nouveau_oclass |
| nv50_mpeg_sclass[] = { |
| { 0x3174, &nv50_mpeg_ofuncs }, |
| {} |
| }; |
| |
| /******************************************************************************* |
| * PMPEG context |
| ******************************************************************************/ |
| |
| int |
| nv50_mpeg_context_ctor(struct nouveau_object *parent, |
| struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nouveau_bar *bar = nouveau_bar(parent); |
| struct nv50_mpeg_chan *chan; |
| int ret; |
| |
| ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL, 128 * 4, |
| 0, NVOBJ_FLAG_ZERO_ALLOC, &chan); |
| *pobject = nv_object(chan); |
| if (ret) |
| return ret; |
| |
| nv_wo32(chan, 0x0070, 0x00801ec1); |
| nv_wo32(chan, 0x007c, 0x0000037c); |
| bar->flush(bar); |
| return 0; |
| } |
| |
| static struct nouveau_oclass |
| nv50_mpeg_cclass = { |
| .handle = NV_ENGCTX(MPEG, 0x50), |
| .ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv50_mpeg_context_ctor, |
| .dtor = _nouveau_mpeg_context_dtor, |
| .init = _nouveau_mpeg_context_init, |
| .fini = _nouveau_mpeg_context_fini, |
| .rd32 = _nouveau_mpeg_context_rd32, |
| .wr32 = _nouveau_mpeg_context_wr32, |
| }, |
| }; |
| |
| /******************************************************************************* |
| * PMPEG engine/subdev functions |
| ******************************************************************************/ |
| |
| int |
| nv50_mpeg_tlb_flush(struct nouveau_engine *engine) |
| { |
| nv50_vm_flush_engine(&engine->base, 0x08); |
| return 0; |
| } |
| |
| void |
| nv50_mpeg_intr(struct nouveau_subdev *subdev) |
| { |
| struct nv50_mpeg_priv *priv = (void *)subdev; |
| u32 stat = nv_rd32(priv, 0x00b100); |
| u32 type = nv_rd32(priv, 0x00b230); |
| u32 mthd = nv_rd32(priv, 0x00b234); |
| u32 data = nv_rd32(priv, 0x00b238); |
| u32 show = stat; |
| |
| if (stat & 0x01000000) { |
| /* happens on initial binding of the object */ |
| if (type == 0x00000020 && mthd == 0x0000) { |
| nv_wr32(priv, 0x00b308, 0x00000100); |
| show &= ~0x01000000; |
| } |
| } |
| |
| if (show) { |
| nv_info(priv, "0x%08x 0x%08x 0x%08x 0x%08x\n", |
| stat, type, mthd, data); |
| } |
| |
| nv_wr32(priv, 0x00b100, stat); |
| nv_wr32(priv, 0x00b230, 0x00000001); |
| } |
| |
| static void |
| nv50_vpe_intr(struct nouveau_subdev *subdev) |
| { |
| struct nv50_mpeg_priv *priv = (void *)subdev; |
| |
| if (nv_rd32(priv, 0x00b100)) |
| nv50_mpeg_intr(subdev); |
| |
| if (nv_rd32(priv, 0x00b800)) { |
| u32 stat = nv_rd32(priv, 0x00b800); |
| nv_info(priv, "PMSRCH: 0x%08x\n", stat); |
| nv_wr32(priv, 0xb800, stat); |
| } |
| } |
| |
| static int |
| nv50_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nv50_mpeg_priv *priv; |
| int ret; |
| |
| ret = nouveau_mpeg_create(parent, engine, oclass, &priv); |
| *pobject = nv_object(priv); |
| if (ret) |
| return ret; |
| |
| nv_subdev(priv)->unit = 0x00400002; |
| nv_subdev(priv)->intr = nv50_vpe_intr; |
| nv_engine(priv)->cclass = &nv50_mpeg_cclass; |
| nv_engine(priv)->sclass = nv50_mpeg_sclass; |
| nv_engine(priv)->tlb_flush = nv50_mpeg_tlb_flush; |
| return 0; |
| } |
| |
| int |
| nv50_mpeg_init(struct nouveau_object *object) |
| { |
| struct nv50_mpeg_priv *priv = (void *)object; |
| int ret; |
| |
| ret = nouveau_mpeg_init(&priv->base); |
| if (ret) |
| return ret; |
| |
| nv_wr32(priv, 0x00b32c, 0x00000000); |
| nv_wr32(priv, 0x00b314, 0x00000100); |
| nv_wr32(priv, 0x00b0e0, 0x0000001a); |
| |
| nv_wr32(priv, 0x00b220, 0x00000044); |
| nv_wr32(priv, 0x00b300, 0x00801ec1); |
| nv_wr32(priv, 0x00b390, 0x00000000); |
| nv_wr32(priv, 0x00b394, 0x00000000); |
| nv_wr32(priv, 0x00b398, 0x00000000); |
| nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001); |
| |
| nv_wr32(priv, 0x00b100, 0xffffffff); |
| nv_wr32(priv, 0x00b140, 0xffffffff); |
| |
| if (!nv_wait(priv, 0x00b200, 0x00000001, 0x00000000)) { |
| nv_error(priv, "timeout 0x%08x\n", nv_rd32(priv, 0x00b200)); |
| return -EBUSY; |
| } |
| |
| return 0; |
| } |
| |
| struct nouveau_oclass |
| nv50_mpeg_oclass = { |
| .handle = NV_ENGINE(MPEG, 0x50), |
| .ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv50_mpeg_ctor, |
| .dtor = _nouveau_mpeg_dtor, |
| .init = nv50_mpeg_init, |
| .fini = _nouveau_mpeg_fini, |
| }, |
| }; |