diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c new file mode 100644 index 0000000..49ecbb8 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c @@ -0,0 +1,311 @@ +/* + * 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/client.h> +#include <core/os.h> +#include <core/class.h> +#include <core/engctx.h> +#include <core/handle.h> + +#include <subdev/fb.h> +#include <subdev/timer.h> +#include <subdev/instmem.h> + +#include <engine/fifo.h> +#include <engine/mpeg.h> +#include <engine/graph/nv40.h> + +struct nv31_mpeg_priv { + struct nouveau_mpeg base; + atomic_t refcount; +}; + +struct nv31_mpeg_chan { + struct nouveau_object base; +}; + +/******************************************************************************* + * MPEG object classes + ******************************************************************************/ + +static int +nv31_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, + 20, 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; +} + +static int +nv31_mpeg_mthd_dma(struct nouveau_object *object, u32 mthd, void *arg, u32 len) +{ + struct nouveau_instmem *imem = nouveau_instmem(object); + struct nv31_mpeg_priv *priv = (void *)object->engine; + u32 inst = *(u32 *)arg << 4; + u32 dma0 = nv_ro32(imem, inst + 0); + u32 dma1 = nv_ro32(imem, inst + 4); + u32 dma2 = nv_ro32(imem, inst + 8); + u32 base = (dma2 & 0xfffff000) | (dma0 >> 20); + u32 size = dma1 + 1; + + /* only allow linear DMA objects */ + if (!(dma0 & 0x00002000)) + return -EINVAL; + + if (mthd == 0x0190) { + /* DMA_CMD */ + nv_mask(priv, 0x00b300, 0x00030000, (dma0 & 0x00030000)); + nv_wr32(priv, 0x00b334, base); + nv_wr32(priv, 0x00b324, size); + } else + if (mthd == 0x01a0) { + /* DMA_DATA */ + nv_mask(priv, 0x00b300, 0x000c0000, (dma0 & 0x00030000) << 2); + nv_wr32(priv, 0x00b360, base); + nv_wr32(priv, 0x00b364, size); + } else { + /* DMA_IMAGE, VRAM only */ + if (dma0 & 0x000c0000) + return -EINVAL; + + nv_wr32(priv, 0x00b370, base); + nv_wr32(priv, 0x00b374, size); + } + + return 0; +} + +static struct nouveau_ofuncs +nv31_mpeg_ofuncs = { + .ctor = nv31_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_omthds +nv31_mpeg_omthds[] = { + { 0x0190, 0x0190, nv31_mpeg_mthd_dma }, + { 0x01a0, 0x01a0, nv31_mpeg_mthd_dma }, + { 0x01b0, 0x01b0, nv31_mpeg_mthd_dma }, + {} +}; + +struct nouveau_oclass +nv31_mpeg_sclass[] = { + { 0x3174, &nv31_mpeg_ofuncs, nv31_mpeg_omthds }, + {} +}; + +/******************************************************************************* + * PMPEG context + ******************************************************************************/ + +static int +nv31_mpeg_context_ctor(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nv31_mpeg_priv *priv = (void *)engine; + struct nv31_mpeg_chan *chan; + int ret; + + if (!atomic_add_unless(&priv->refcount, 1, 1)) + return -EBUSY; + + ret = nouveau_object_create(parent, engine, oclass, 0, &chan); + *pobject = nv_object(chan); + if (ret) + return ret; + + return 0; +} + +static void +nv31_mpeg_context_dtor(struct nouveau_object *object) +{ + struct nv31_mpeg_priv *priv = (void *)object->engine; + struct nv31_mpeg_chan *chan = (void *)object; + atomic_dec(&priv->refcount); + nouveau_object_destroy(&chan->base); +} + +static struct nouveau_oclass +nv31_mpeg_cclass = { + .handle = NV_ENGCTX(MPEG, 0x31), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv31_mpeg_context_ctor, + .dtor = nv31_mpeg_context_dtor, + .init = nouveau_object_init, + .fini = nouveau_object_fini, + }, +}; + +/******************************************************************************* + * PMPEG engine/subdev functions + ******************************************************************************/ + +void +nv31_mpeg_tile_prog(struct nouveau_engine *engine, int i) +{ + struct nouveau_fb_tile *tile = &nouveau_fb(engine)->tile.region[i]; + struct nv31_mpeg_priv *priv = (void *)engine; + + nv_wr32(priv, 0x00b008 + (i * 0x10), tile->pitch); + nv_wr32(priv, 0x00b004 + (i * 0x10), tile->limit); + nv_wr32(priv, 0x00b000 + (i * 0x10), tile->addr); +} + +void +nv31_mpeg_intr(struct nouveau_subdev *subdev) +{ + struct nouveau_fifo *pfifo = nouveau_fifo(subdev); + struct nouveau_engine *engine = nv_engine(subdev); + struct nouveau_object *engctx; + struct nouveau_handle *handle; + struct nv31_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 = nouveau_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 = nouveau_handle_get_class(engctx, 0x3174); + if (handle && !nv_call(handle->object, mthd, data)) + show &= ~0x01000000; + nouveau_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, nouveau_client_name(engctx), stat, + type, mthd, data); + } + + nouveau_engctx_put(engctx); +} + +static int +nv31_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nv31_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 = 0x00000002; + nv_subdev(priv)->intr = nv31_mpeg_intr; + nv_engine(priv)->cclass = &nv31_mpeg_cclass; + nv_engine(priv)->sclass = nv31_mpeg_sclass; + nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog; + return 0; +} + +int +nv31_mpeg_init(struct nouveau_object *object) +{ + struct nouveau_engine *engine = nv_engine(object->engine); + struct nv31_mpeg_priv *priv = (void *)engine; + struct nouveau_fb *pfb = nouveau_fb(object); + int ret, i; + + ret = nouveau_mpeg_init(&priv->base); + if (ret) + return ret; + + /* VPE init */ + nv_wr32(priv, 0x00b0e0, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */ + nv_wr32(priv, 0x00b0e8, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */ + + for (i = 0; i < pfb->tile.regions; i++) + engine->tile_prog(engine, i); + + /* PMPEG init */ + nv_wr32(priv, 0x00b32c, 0x00000000); + nv_wr32(priv, 0x00b314, 0x00000100); + nv_wr32(priv, 0x00b220, nv44_graph_class(priv) ? 0x00000044 : 0x00000031); + nv_wr32(priv, 0x00b300, 0x02001ec1); + 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 +nv31_mpeg_oclass = { + .handle = NV_ENGINE(MPEG, 0x31), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv31_mpeg_ctor, + .dtor = _nouveau_mpeg_dtor, + .init = nv31_mpeg_init, + .fini = _nouveau_mpeg_fini, + }, +}; |