X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fengine%2Fmpeg%2Fnv44.c;h=d433cfa4a8ab4ca8d098442e231d4a0745eff98c;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=4720ac8844688f1b852b2fac848328998e4bfc88;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c index 4720ac884..d433cfa4a 100644 --- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c +++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c @@ -21,165 +21,197 @@ * * Authors: Ben Skeggs */ -#include +#define nv44_mpeg(p) container_of((p), struct nv44_mpeg, engine) +#include "priv.h" #include -#include +#include #include -struct nv44_mpeg_priv { - struct nvkm_mpeg base; -}; +#include -struct nv44_mpeg_chan { - struct nvkm_mpeg_chan base; +struct nv44_mpeg { + struct nvkm_engine engine; + struct list_head chan; }; /******************************************************************************* * PMPEG context ******************************************************************************/ +#define nv44_mpeg_chan(p) container_of((p), struct nv44_mpeg_chan, object) + +struct nv44_mpeg_chan { + struct nvkm_object object; + struct nv44_mpeg *mpeg; + struct nvkm_fifo_chan *fifo; + struct list_head head; + u32 inst; +}; 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) +nv44_mpeg_chan_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, + int align, struct nvkm_gpuobj **pgpuobj) { - 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; + struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object); + int ret = nvkm_gpuobj_new(chan->object.engine->subdev.device, 264 * 4, + align, true, parent, pgpuobj); + if (ret == 0) { + chan->inst = (*pgpuobj)->addr; + nvkm_kmap(*pgpuobj); + nvkm_wo32(*pgpuobj, 0x78, 0x02001ec1); + nvkm_done(*pgpuobj); + } + return ret; } static int -nv44_mpeg_context_fini(struct nvkm_object *object, bool suspend) +nv44_mpeg_chan_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; + struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object); + struct nv44_mpeg *mpeg = chan->mpeg; + struct nvkm_device *device = mpeg->engine.subdev.device; + u32 inst = 0x80000000 | (chan->inst >> 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); + nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000000); + if (nvkm_rd32(device, 0x00b318) == inst) + nvkm_mask(device, 0x00b318, 0x80000000, 0x00000000); + nvkm_mask(device, 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, - }, +static void * +nv44_mpeg_chan_dtor(struct nvkm_object *object) +{ + struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object); + struct nv44_mpeg *mpeg = chan->mpeg; + unsigned long flags; + spin_lock_irqsave(&mpeg->engine.lock, flags); + list_del(&chan->head); + spin_unlock_irqrestore(&mpeg->engine.lock, flags); + return chan; +} + +static const struct nvkm_object_func +nv44_mpeg_chan = { + .dtor = nv44_mpeg_chan_dtor, + .fini = nv44_mpeg_chan_fini, + .bind = nv44_mpeg_chan_bind, }; +static int +nv44_mpeg_chan_new(struct nvkm_fifo_chan *fifoch, + const struct nvkm_oclass *oclass, + struct nvkm_object **pobject) +{ + struct nv44_mpeg *mpeg = nv44_mpeg(oclass->engine); + struct nv44_mpeg_chan *chan; + unsigned long flags; + + if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) + return -ENOMEM; + nvkm_object_ctor(&nv44_mpeg_chan, oclass, &chan->object); + chan->mpeg = mpeg; + chan->fifo = fifoch; + *pobject = &chan->object; + + spin_lock_irqsave(&mpeg->engine.lock, flags); + list_add(&chan->head, &mpeg->chan); + spin_unlock_irqrestore(&mpeg->engine.lock, flags); + return 0; +} + /******************************************************************************* * PMPEG engine/subdev functions ******************************************************************************/ +static bool +nv44_mpeg_mthd(struct nvkm_device *device, u32 mthd, u32 data) +{ + switch (mthd) { + case 0x190: + case 0x1a0: + case 0x1b0: + return nv40_mpeg_mthd_dma(device, mthd, data); + default: + break; + } + return false; +} + static void -nv44_mpeg_intr(struct nvkm_subdev *subdev) +nv44_mpeg_intr(struct nvkm_engine *engine) { - 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); + struct nv44_mpeg *mpeg = nv44_mpeg(engine); + struct nvkm_subdev *subdev = &mpeg->engine.subdev; + struct nvkm_device *device = subdev->device; + struct nv44_mpeg_chan *temp, *chan = NULL; + unsigned long flags; + u32 inst = nvkm_rd32(device, 0x00b318) & 0x000fffff; + 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; - int chid; - engctx = nvkm_engctx_get(engine, inst); - chid = pfifo->chid(pfifo, engctx); + spin_lock_irqsave(&mpeg->engine.lock, flags); + list_for_each_entry(temp, &mpeg->chan, head) { + if (temp->inst >> 4 == inst) { + chan = temp; + list_del(&chan->head); + list_add(&chan->head, &mpeg->chan); + break; + } + } 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) { - handle = nvkm_handle_get_class(engctx, 0x3174); - if (handle && !nv_call(handle->object, mthd, data)) + if (!nv44_mpeg_mthd(subdev->device, 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 [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n", - chid, inst << 4, nvkm_client_name(engctx), stat, - type, mthd, data); + nvkm_error(subdev, "ch %d [%08x %s] %08x %08x %08x %08x\n", + chan ? chan->fifo->chid : -1, inst << 4, + chan ? chan->object.client->name : "unknown", + stat, type, mthd, data); } - nvkm_engctx_put(engctx); + spin_unlock_irqrestore(&mpeg->engine.lock, flags); } -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 const struct nvkm_engine_func +nv44_mpeg = { + .init = nv31_mpeg_init, + .intr = nv44_mpeg_intr, + .tile = nv31_mpeg_tile, + .fifo.cclass = nv44_mpeg_chan_new, + .sclass = { + { -1, -1, NV31_MPEG, &nv31_mpeg_object }, + {} } -} +}; -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) +int +nv44_mpeg_new(struct nvkm_device *device, int index, struct nvkm_engine **pmpeg) { - 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 nv44_mpeg *mpeg; -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, - }, -}; + if (!(mpeg = kzalloc(sizeof(*mpeg), GFP_KERNEL))) + return -ENOMEM; + INIT_LIST_HEAD(&mpeg->chan); + *pmpeg = &mpeg->engine; + + return nvkm_engine_ctor(&nv44_mpeg, device, index, 0x00000002, + true, &mpeg->engine); +}