/* * 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 #include #include #include #include #include #include #include #include #include #include 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); struct nv31_mpeg_priv *priv = (void *)object; 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); if (nv_device(priv)->chipset >= 0x40 && nv44_graph_class(priv)) nv_wr32(priv, 0x00b220, 0x00000044); else nv_wr32(priv, 0x00b220, 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, }, };