| /* |
| * 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 "priv.h" |
| |
| #include <core/gpuobj.h> |
| #include <subdev/timer.h> |
| |
| #include <nvif/class.h> |
| |
| /******************************************************************************* |
| * PMPEG context |
| ******************************************************************************/ |
| |
| static int |
| nv50_mpeg_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, |
| int align, struct nvkm_gpuobj **pgpuobj) |
| { |
| int ret = nvkm_gpuobj_new(object->engine->subdev.device, 128 * 4, |
| align, true, parent, pgpuobj); |
| if (ret == 0) { |
| nvkm_kmap(*pgpuobj); |
| nvkm_wo32(*pgpuobj, 0x70, 0x00801ec1); |
| nvkm_wo32(*pgpuobj, 0x7c, 0x0000037c); |
| nvkm_done(*pgpuobj); |
| } |
| return ret; |
| } |
| |
| const struct nvkm_object_func |
| nv50_mpeg_cclass = { |
| .bind = nv50_mpeg_cclass_bind, |
| }; |
| |
| /******************************************************************************* |
| * PMPEG engine/subdev functions |
| ******************************************************************************/ |
| |
| void |
| nv50_mpeg_intr(struct nvkm_subdev *subdev) |
| { |
| struct nvkm_mpeg *mpeg = (void *)subdev; |
| struct nvkm_device *device = mpeg->engine.subdev.device; |
| u32 stat = nvkm_rd32(device, 0x00b100); |
| u32 type = nvkm_rd32(device, 0x00b230); |
| u32 mthd = nvkm_rd32(device, 0x00b234); |
| u32 data = nvkm_rd32(device, 0x00b238); |
| u32 show = stat; |
| |
| if (stat & 0x01000000) { |
| /* happens on initial binding of the object */ |
| if (type == 0x00000020 && mthd == 0x0000) { |
| nvkm_wr32(device, 0x00b308, 0x00000100); |
| show &= ~0x01000000; |
| } |
| } |
| |
| if (show) { |
| nvkm_info(subdev, "%08x %08x %08x %08x\n", |
| stat, type, mthd, data); |
| } |
| |
| nvkm_wr32(device, 0x00b100, stat); |
| nvkm_wr32(device, 0x00b230, 0x00000001); |
| } |
| |
| static void |
| nv50_vpe_intr(struct nvkm_subdev *subdev) |
| { |
| struct nvkm_device *device = subdev->device; |
| |
| if (nvkm_rd32(device, 0x00b100)) |
| nv50_mpeg_intr(subdev); |
| |
| if (nvkm_rd32(device, 0x00b800)) { |
| u32 stat = nvkm_rd32(device, 0x00b800); |
| nvkm_info(subdev, "PMSRCH: %08x\n", stat); |
| nvkm_wr32(device, 0xb800, stat); |
| } |
| } |
| |
| static const struct nvkm_engine_func |
| nv50_mpeg = { |
| .cclass = &nv50_mpeg_cclass, |
| .sclass = { |
| { -1, -1, NV31_MPEG, &nv31_mpeg_object }, |
| {} |
| } |
| }; |
| |
| static int |
| nv50_mpeg_ctor(struct nvkm_object *parent, struct nvkm_object *engine, |
| struct nvkm_oclass *oclass, void *data, u32 size, |
| struct nvkm_object **pobject) |
| { |
| struct nvkm_mpeg *mpeg; |
| int ret; |
| |
| ret = nvkm_mpeg_create(parent, engine, oclass, &mpeg); |
| *pobject = nv_object(mpeg); |
| if (ret) |
| return ret; |
| |
| mpeg->engine.func = &nv50_mpeg; |
| |
| nv_subdev(mpeg)->unit = 0x00400002; |
| nv_subdev(mpeg)->intr = nv50_vpe_intr; |
| return 0; |
| } |
| |
| int |
| nv50_mpeg_init(struct nvkm_object *object) |
| { |
| struct nvkm_mpeg *mpeg = (void *)object; |
| struct nvkm_subdev *subdev = &mpeg->engine.subdev; |
| struct nvkm_device *device = subdev->device; |
| int ret; |
| |
| ret = nvkm_mpeg_init(mpeg); |
| if (ret) |
| return ret; |
| |
| nvkm_wr32(device, 0x00b32c, 0x00000000); |
| nvkm_wr32(device, 0x00b314, 0x00000100); |
| nvkm_wr32(device, 0x00b0e0, 0x0000001a); |
| |
| nvkm_wr32(device, 0x00b220, 0x00000044); |
| nvkm_wr32(device, 0x00b300, 0x00801ec1); |
| nvkm_wr32(device, 0x00b390, 0x00000000); |
| nvkm_wr32(device, 0x00b394, 0x00000000); |
| nvkm_wr32(device, 0x00b398, 0x00000000); |
| nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000001); |
| |
| nvkm_wr32(device, 0x00b100, 0xffffffff); |
| nvkm_wr32(device, 0x00b140, 0xffffffff); |
| |
| if (nvkm_msec(device, 2000, |
| if (!(nvkm_rd32(device, 0x00b200) & 0x00000001)) |
| break; |
| ) < 0) { |
| nvkm_error(subdev, "timeout %08x\n", |
| nvkm_rd32(device, 0x00b200)); |
| return -EBUSY; |
| } |
| |
| return 0; |
| } |
| |
| struct nvkm_oclass |
| nv50_mpeg_oclass = { |
| .handle = NV_ENGINE(MPEG, 0x50), |
| .ofuncs = &(struct nvkm_ofuncs) { |
| .ctor = nv50_mpeg_ctor, |
| .dtor = _nvkm_mpeg_dtor, |
| .init = nv50_mpeg_init, |
| .fini = _nvkm_mpeg_fini, |
| }, |
| }; |