diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c new file mode 100644 index 000000000000..4720ac884468 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c @@ -0,0 +1,185 @@ +/* + * 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 <engine/mpeg.h> + +#include <core/client.h> +#include <core/handle.h> +#include <engine/fifo.h> + +struct nv44_mpeg_priv { + struct nvkm_mpeg base; +}; + +struct nv44_mpeg_chan { + struct nvkm_mpeg_chan base; +}; + +/******************************************************************************* + * PMPEG context + ******************************************************************************/ + +static int +nv44_mpeg_context_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv44_mpeg_chan *chan; + int ret; + + ret = nvkm_mpeg_context_create(parent, engine, oclass, NULL, 264 * 4, + 16, NVOBJ_FLAG_ZERO_ALLOC, &chan); + *pobject = nv_object(chan); + if (ret) + return ret; + + nv_wo32(&chan->base.base, 0x78, 0x02001ec1); + return 0; +} + +static int +nv44_mpeg_context_fini(struct nvkm_object *object, bool suspend) +{ + + struct nv44_mpeg_priv *priv = (void *)object->engine; + struct nv44_mpeg_chan *chan = (void *)object; + u32 inst = 0x80000000 | nv_gpuobj(chan)->addr >> 4; + + nv_mask(priv, 0x00b32c, 0x00000001, 0x00000000); + if (nv_rd32(priv, 0x00b318) == inst) + nv_mask(priv, 0x00b318, 0x80000000, 0x00000000); + nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001); + return 0; +} + +static struct nvkm_oclass +nv44_mpeg_cclass = { + .handle = NV_ENGCTX(MPEG, 0x44), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv44_mpeg_context_ctor, + .dtor = _nvkm_mpeg_context_dtor, + .init = _nvkm_mpeg_context_init, + .fini = nv44_mpeg_context_fini, + .rd32 = _nvkm_mpeg_context_rd32, + .wr32 = _nvkm_mpeg_context_wr32, + }, +}; + +/******************************************************************************* + * PMPEG engine/subdev functions + ******************************************************************************/ + +static void +nv44_mpeg_intr(struct nvkm_subdev *subdev) +{ + struct nvkm_fifo *pfifo = nvkm_fifo(subdev); + struct nvkm_engine *engine = nv_engine(subdev); + struct nvkm_object *engctx; + struct nvkm_handle *handle; + struct nv44_mpeg_priv *priv = (void *)subdev; + u32 inst = nv_rd32(priv, 0x00b318) & 0x000fffff; + 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; + int chid; + + engctx = nvkm_engctx_get(engine, inst); + chid = pfifo->chid(pfifo, engctx); + + if (stat & 0x01000000) { + /* happens on initial binding of the object */ + if (type == 0x00000020 && mthd == 0x0000) { + nv_mask(priv, 0x00b308, 0x00000000, 0x00000000); + show &= ~0x01000000; + } + + if (type == 0x00000010) { + handle = nvkm_handle_get_class(engctx, 0x3174); + if (handle && !nv_call(handle->object, mthd, data)) + show &= ~0x01000000; + nvkm_handle_put(handle); + } + } + + nv_wr32(priv, 0x00b100, stat); + nv_wr32(priv, 0x00b230, 0x00000001); + + if (show) { + nv_error(priv, + "ch %d [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n", + chid, inst << 4, nvkm_client_name(engctx), stat, + type, mthd, data); + } + + nvkm_engctx_put(engctx); +} + +static void +nv44_mpeg_me_intr(struct nvkm_subdev *subdev) +{ + struct nv44_mpeg_priv *priv = (void *)subdev; + u32 stat; + + if ((stat = nv_rd32(priv, 0x00b100))) + nv44_mpeg_intr(subdev); + + if ((stat = nv_rd32(priv, 0x00b800))) { + nv_error(priv, "PMSRCH 0x%08x\n", stat); + nv_wr32(priv, 0x00b800, stat); + } +} + +static int +nv44_mpeg_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv44_mpeg_priv *priv; + int ret; + + ret = nvkm_mpeg_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00000002; + nv_subdev(priv)->intr = nv44_mpeg_me_intr; + nv_engine(priv)->cclass = &nv44_mpeg_cclass; + nv_engine(priv)->sclass = nv40_mpeg_sclass; + nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog; + return 0; +} + +struct nvkm_oclass +nv44_mpeg_oclass = { + .handle = NV_ENGINE(MPEG, 0x44), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv44_mpeg_ctor, + .dtor = _nvkm_mpeg_dtor, + .init = nv31_mpeg_init, + .fini = _nvkm_mpeg_fini, + }, +}; |