These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / engine / mpeg / nv44.c
index 4720ac8..d433cfa 100644 (file)
  *
  * Authors: Ben Skeggs
  */
-#include <engine/mpeg.h>
+#define nv44_mpeg(p) container_of((p), struct nv44_mpeg, engine)
+#include "priv.h"
 
 #include <core/client.h>
-#include <core/handle.h>
+#include <core/gpuobj.h>
 #include <engine/fifo.h>
 
-struct nv44_mpeg_priv {
-       struct nvkm_mpeg base;
-};
+#include <nvif/class.h>
 
-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);
+}