diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv50.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv50.c new file mode 100644 index 000000000..e6374f369 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv50.c @@ -0,0 +1,136 @@ +/* + * 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 <core/object.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_engine *mpeg) +{ + struct nvkm_subdev *subdev = &mpeg->subdev; + struct nvkm_device *device = 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); +} + +int +nv50_mpeg_init(struct nvkm_engine *mpeg) +{ + struct nvkm_subdev *subdev = &mpeg->subdev; + struct nvkm_device *device = subdev->device; + + 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; +} + +static const struct nvkm_engine_func +nv50_mpeg = { + .init = nv50_mpeg_init, + .intr = nv50_mpeg_intr, + .cclass = &nv50_mpeg_cclass, + .sclass = { + { -1, -1, NV31_MPEG, &nv31_mpeg_object }, + {} + } +}; + +int +nv50_mpeg_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_engine **pmpeg) +{ + return nvkm_engine_new_(&nv50_mpeg, device, type, inst, true, pmpeg); +} |