X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fengine%2Fmpeg%2Fnv31.c;h=d4d8942b13472c26af9fdb392728d6d2f751c244;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=b5bef0718359550d661b9d52677af3b8af43233e;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c index b5bef0718..d4d8942b1 100644 --- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c +++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c @@ -24,281 +24,271 @@ #include "nv31.h" #include -#include -#include -#include +#include #include #include +#include + +#include /******************************************************************************* * MPEG object classes ******************************************************************************/ static int -nv31_mpeg_object_ctor(struct nvkm_object *parent, - struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) +nv31_mpeg_object_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, + int align, struct nvkm_gpuobj **pgpuobj) { - struct nvkm_gpuobj *obj; - int ret; - - ret = nvkm_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; + int ret = nvkm_gpuobj_new(object->engine->subdev.device, 16, align, + false, parent, pgpuobj); + if (ret == 0) { + nvkm_kmap(*pgpuobj); + nvkm_wo32(*pgpuobj, 0x00, object->oclass); + nvkm_wo32(*pgpuobj, 0x04, 0x00000000); + nvkm_wo32(*pgpuobj, 0x08, 0x00000000); + nvkm_wo32(*pgpuobj, 0x0c, 0x00000000); + nvkm_done(*pgpuobj); + } + return ret; } -static int -nv31_mpeg_mthd_dma(struct nvkm_object *object, u32 mthd, void *arg, u32 len) +const struct nvkm_object_func +nv31_mpeg_object = { + .bind = nv31_mpeg_object_bind, +}; + +/******************************************************************************* + * PMPEG context + ******************************************************************************/ + +static void * +nv31_mpeg_chan_dtor(struct nvkm_object *object) { - struct nvkm_instmem *imem = nvkm_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); + struct nv31_mpeg_chan *chan = nv31_mpeg_chan(object); + struct nv31_mpeg *mpeg = chan->mpeg; + unsigned long flags; + + spin_lock_irqsave(&mpeg->engine.lock, flags); + if (mpeg->chan == chan) + mpeg->chan = NULL; + spin_unlock_irqrestore(&mpeg->engine.lock, flags); + return chan; +} + +static const struct nvkm_object_func +nv31_mpeg_chan = { + .dtor = nv31_mpeg_chan_dtor, +}; + +int +nv31_mpeg_chan_new(struct nvkm_fifo_chan *fifoch, + const struct nvkm_oclass *oclass, + struct nvkm_object **pobject) +{ + struct nv31_mpeg *mpeg = nv31_mpeg(oclass->engine); + struct nv31_mpeg_chan *chan; + unsigned long flags; + int ret = -EBUSY; + + if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) + return -ENOMEM; + nvkm_object_ctor(&nv31_mpeg_chan, oclass, &chan->object); + chan->mpeg = mpeg; + chan->fifo = fifoch; + *pobject = &chan->object; + + spin_lock_irqsave(&mpeg->engine.lock, flags); + if (!mpeg->chan) { + mpeg->chan = chan; + ret = 0; + } + spin_unlock_irqrestore(&mpeg->engine.lock, flags); + return ret; +} + +/******************************************************************************* + * PMPEG engine/subdev functions + ******************************************************************************/ + +void +nv31_mpeg_tile(struct nvkm_engine *engine, int i, struct nvkm_fb_tile *tile) +{ + struct nv31_mpeg *mpeg = nv31_mpeg(engine); + struct nvkm_device *device = mpeg->engine.subdev.device; + + nvkm_wr32(device, 0x00b008 + (i * 0x10), tile->pitch); + nvkm_wr32(device, 0x00b004 + (i * 0x10), tile->limit); + nvkm_wr32(device, 0x00b000 + (i * 0x10), tile->addr); +} + +static bool +nv31_mpeg_mthd_dma(struct nvkm_device *device, u32 mthd, u32 data) +{ + u32 inst = data << 4; + u32 dma0 = nvkm_rd32(device, 0x700000 + inst); + u32 dma1 = nvkm_rd32(device, 0x700004 + inst); + u32 dma2 = nvkm_rd32(device, 0x700008 + inst); u32 base = (dma2 & 0xfffff000) | (dma0 >> 20); u32 size = dma1 + 1; /* only allow linear DMA objects */ if (!(dma0 & 0x00002000)) - return -EINVAL; + return false; if (mthd == 0x0190) { /* DMA_CMD */ - nv_mask(priv, 0x00b300, 0x00010000, (dma0 & 0x00030000) ? 0x00010000 : 0); - nv_wr32(priv, 0x00b334, base); - nv_wr32(priv, 0x00b324, size); + nvkm_mask(device, 0x00b300, 0x00010000, + (dma0 & 0x00030000) ? 0x00010000 : 0); + nvkm_wr32(device, 0x00b334, base); + nvkm_wr32(device, 0x00b324, size); } else if (mthd == 0x01a0) { /* DMA_DATA */ - nv_mask(priv, 0x00b300, 0x00020000, (dma0 & 0x00030000) ? 0x00020000 : 0); - nv_wr32(priv, 0x00b360, base); - nv_wr32(priv, 0x00b364, size); + nvkm_mask(device, 0x00b300, 0x00020000, + (dma0 & 0x00030000) ? 0x00020000 : 0); + nvkm_wr32(device, 0x00b360, base); + nvkm_wr32(device, 0x00b364, size); } else { /* DMA_IMAGE, VRAM only */ if (dma0 & 0x00030000) - return -EINVAL; + return false; - nv_wr32(priv, 0x00b370, base); - nv_wr32(priv, 0x00b374, size); + nvkm_wr32(device, 0x00b370, base); + nvkm_wr32(device, 0x00b374, size); } - return 0; + return true; } -struct nvkm_ofuncs -nv31_mpeg_ofuncs = { - .ctor = nv31_mpeg_object_ctor, - .dtor = _nvkm_gpuobj_dtor, - .init = _nvkm_gpuobj_init, - .fini = _nvkm_gpuobj_fini, - .rd32 = _nvkm_gpuobj_rd32, - .wr32 = _nvkm_gpuobj_wr32, -}; - -static struct nvkm_omthds -nv31_mpeg_omthds[] = { - { 0x0190, 0x0190, nv31_mpeg_mthd_dma }, - { 0x01a0, 0x01a0, nv31_mpeg_mthd_dma }, - { 0x01b0, 0x01b0, nv31_mpeg_mthd_dma }, - {} -}; - -struct nvkm_oclass -nv31_mpeg_sclass[] = { - { 0x3174, &nv31_mpeg_ofuncs, nv31_mpeg_omthds }, - {} -}; - -/******************************************************************************* - * PMPEG context - ******************************************************************************/ - -static int -nv31_mpeg_context_ctor(struct nvkm_object *parent, - struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) +static bool +nv31_mpeg_mthd(struct nv31_mpeg *mpeg, u32 mthd, u32 data) { - struct nv31_mpeg_priv *priv = (void *)engine; - struct nv31_mpeg_chan *chan; - unsigned long flags; - int ret; - - ret = nvkm_object_create(parent, engine, oclass, 0, &chan); - *pobject = nv_object(chan); - if (ret) - return ret; - - spin_lock_irqsave(&nv_engine(priv)->lock, flags); - if (priv->chan) { - spin_unlock_irqrestore(&nv_engine(priv)->lock, flags); - nvkm_object_destroy(&chan->base); - *pobject = NULL; - return -EBUSY; + struct nvkm_device *device = mpeg->engine.subdev.device; + switch (mthd) { + case 0x190: + case 0x1a0: + case 0x1b0: + return mpeg->func->mthd_dma(device, mthd, data); + default: + break; } - priv->chan = chan; - spin_unlock_irqrestore(&nv_engine(priv)->lock, flags); - return 0; + return false; } static void -nv31_mpeg_context_dtor(struct nvkm_object *object) +nv31_mpeg_intr(struct nvkm_engine *engine) { - struct nv31_mpeg_priv *priv = (void *)object->engine; - struct nv31_mpeg_chan *chan = (void *)object; - unsigned long flags; - - spin_lock_irqsave(&nv_engine(priv)->lock, flags); - priv->chan = NULL; - spin_unlock_irqrestore(&nv_engine(priv)->lock, flags); - nvkm_object_destroy(&chan->base); -} - -struct nvkm_oclass -nv31_mpeg_cclass = { - .handle = NV_ENGCTX(MPEG, 0x31), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = nv31_mpeg_context_ctor, - .dtor = nv31_mpeg_context_dtor, - .init = nvkm_object_init, - .fini = nvkm_object_fini, - }, -}; - -/******************************************************************************* - * PMPEG engine/subdev functions - ******************************************************************************/ - -void -nv31_mpeg_tile_prog(struct nvkm_engine *engine, int i) -{ - struct nvkm_fb_tile *tile = &nvkm_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 nvkm_subdev *subdev) -{ - struct nv31_mpeg_priv *priv = (void *)subdev; - struct nvkm_fifo *pfifo = nvkm_fifo(subdev); - struct nvkm_handle *handle; - struct nvkm_object *engctx; - u32 stat = nv_rd32(priv, 0x00b100); - u32 type = nv_rd32(priv, 0x00b230); - u32 mthd = nv_rd32(priv, 0x00b234); - u32 data = nv_rd32(priv, 0x00b238); + struct nv31_mpeg *mpeg = nv31_mpeg(engine); + struct nvkm_subdev *subdev = &mpeg->engine.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; unsigned long flags; - spin_lock_irqsave(&nv_engine(priv)->lock, flags); - engctx = nv_object(priv->chan); + spin_lock_irqsave(&mpeg->engine.lock, flags); if (stat & 0x01000000) { /* happens on initial binding of the object */ if (type == 0x00000020 && mthd == 0x0000) { - nv_mask(priv, 0x00b308, 0x00000000, 0x00000000); + nvkm_mask(device, 0x00b308, 0x00000000, 0x00000000); show &= ~0x01000000; } - if (type == 0x00000010 && engctx) { - handle = nvkm_handle_get_class(engctx, 0x3174); - if (handle && !nv_call(handle->object, mthd, data)) + if (type == 0x00000010) { + if (!nv31_mpeg_mthd(mpeg, mthd, data)) show &= ~0x01000000; - nvkm_handle_put(handle); } } - nv_wr32(priv, 0x00b100, stat); - nv_wr32(priv, 0x00b230, 0x00000001); + nvkm_wr32(device, 0x00b100, stat); + nvkm_wr32(device, 0x00b230, 0x00000001); if (show) { - nv_error(priv, "ch %d [%s] 0x%08x 0x%08x 0x%08x 0x%08x\n", - pfifo->chid(pfifo, engctx), - nvkm_client_name(engctx), stat, type, mthd, data); + nvkm_error(subdev, "ch %d [%s] %08x %08x %08x %08x\n", + mpeg->chan ? mpeg->chan->fifo->chid : -1, + mpeg->chan ? mpeg->chan->object.client->name : + "unknown", stat, type, mthd, data); } - spin_unlock_irqrestore(&nv_engine(priv)->lock, flags); -} - -static int -nv31_mpeg_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) -{ - struct nv31_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 = 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; + spin_unlock_irqrestore(&mpeg->engine.lock, flags); } int -nv31_mpeg_init(struct nvkm_object *object) +nv31_mpeg_init(struct nvkm_engine *mpeg) { - struct nvkm_engine *engine = nv_engine(object); - struct nv31_mpeg_priv *priv = (void *)object; - struct nvkm_fb *pfb = nvkm_fb(object); - int ret, i; - - ret = nvkm_mpeg_init(&priv->base); - if (ret) - return ret; + struct nvkm_subdev *subdev = &mpeg->subdev; + struct nvkm_device *device = subdev->device; /* 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); + nvkm_wr32(device, 0x00b0e0, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */ + nvkm_wr32(device, 0x00b0e8, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */ /* PMPEG init */ - nv_wr32(priv, 0x00b32c, 0x00000000); - nv_wr32(priv, 0x00b314, 0x00000100); - 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)); + nvkm_wr32(device, 0x00b32c, 0x00000000); + nvkm_wr32(device, 0x00b314, 0x00000100); + nvkm_wr32(device, 0x00b220, 0x00000031); + nvkm_wr32(device, 0x00b300, 0x02001ec1); + 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 -nv31_mpeg_oclass = { - .handle = NV_ENGINE(MPEG, 0x31), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = nv31_mpeg_ctor, - .dtor = _nvkm_mpeg_dtor, - .init = nv31_mpeg_init, - .fini = _nvkm_mpeg_fini, - }, +static void * +nv31_mpeg_dtor(struct nvkm_engine *engine) +{ + return nv31_mpeg(engine); +} + +static const struct nvkm_engine_func +nv31_mpeg_ = { + .dtor = nv31_mpeg_dtor, + .init = nv31_mpeg_init, + .intr = nv31_mpeg_intr, + .tile = nv31_mpeg_tile, + .fifo.cclass = nv31_mpeg_chan_new, + .sclass = { + { -1, -1, NV31_MPEG, &nv31_mpeg_object }, + {} + } }; + +int +nv31_mpeg_new_(const struct nv31_mpeg_func *func, struct nvkm_device *device, + int index, struct nvkm_engine **pmpeg) +{ + struct nv31_mpeg *mpeg; + + if (!(mpeg = kzalloc(sizeof(*mpeg), GFP_KERNEL))) + return -ENOMEM; + mpeg->func = func; + *pmpeg = &mpeg->engine; + + return nvkm_engine_ctor(&nv31_mpeg_, device, index, 0x00000002, + true, &mpeg->engine); +} + +static const struct nv31_mpeg_func +nv31_mpeg = { + .mthd_dma = nv31_mpeg_mthd_dma, +}; + +int +nv31_mpeg_new(struct nvkm_device *device, int index, struct nvkm_engine **pmpeg) +{ + return nv31_mpeg_new_(&nv31_mpeg, device, index, pmpeg); +}