* Authors: Ben Skeggs
*/
#include "nv50.h"
-#include "nv04.h"
+#include "channv50.h"
-#include <core/client.h>
-#include <core/engctx.h>
-#include <core/ramht.h>
-#include <subdev/bar.h>
-#include <subdev/mmu.h>
-#include <subdev/timer.h>
-
-#include <nvif/class.h>
-#include <nvif/unpack.h>
-
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
+#include <core/gpuobj.h>
static void
-nv50_fifo_playlist_update_locked(struct nv50_fifo_priv *priv)
+nv50_fifo_runlist_update_locked(struct nv50_fifo *fifo)
{
- struct nvkm_bar *bar = nvkm_bar(priv);
- struct nvkm_gpuobj *cur;
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
+ struct nvkm_memory *cur;
int i, p;
- cur = priv->playlist[priv->cur_playlist];
- priv->cur_playlist = !priv->cur_playlist;
-
- for (i = priv->base.min, p = 0; i < priv->base.max; i++) {
- if (nv_rd32(priv, 0x002600 + (i * 4)) & 0x80000000)
- nv_wo32(cur, p++ * 4, i);
- }
-
- bar->flush(bar);
-
- nv_wr32(priv, 0x0032f4, cur->addr >> 12);
- nv_wr32(priv, 0x0032ec, p);
- nv_wr32(priv, 0x002500, 0x00000101);
-}
-
-void
-nv50_fifo_playlist_update(struct nv50_fifo_priv *priv)
-{
- mutex_lock(&nv_subdev(priv)->mutex);
- nv50_fifo_playlist_update_locked(priv);
- mutex_unlock(&nv_subdev(priv)->mutex);
-}
-
-static int
-nv50_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *object)
-{
- struct nvkm_bar *bar = nvkm_bar(parent);
- struct nv50_fifo_base *base = (void *)parent->parent;
- struct nvkm_gpuobj *ectx = (void *)object;
- u64 limit = ectx->addr + ectx->size - 1;
- u64 start = ectx->addr;
- u32 addr;
-
- switch (nv_engidx(object->engine)) {
- case NVDEV_ENGINE_SW : return 0;
- case NVDEV_ENGINE_GR : addr = 0x0000; break;
- case NVDEV_ENGINE_MPEG : addr = 0x0060; break;
- default:
- return -EINVAL;
- }
-
- nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
- nv_wo32(base->eng, addr + 0x00, 0x00190000);
- nv_wo32(base->eng, addr + 0x04, lower_32_bits(limit));
- nv_wo32(base->eng, addr + 0x08, lower_32_bits(start));
- nv_wo32(base->eng, addr + 0x0c, upper_32_bits(limit) << 24 |
- upper_32_bits(start));
- nv_wo32(base->eng, addr + 0x10, 0x00000000);
- nv_wo32(base->eng, addr + 0x14, 0x00000000);
- bar->flush(bar);
- return 0;
-}
-
-static int
-nv50_fifo_context_detach(struct nvkm_object *parent, bool suspend,
- struct nvkm_object *object)
-{
- struct nvkm_bar *bar = nvkm_bar(parent);
- struct nv50_fifo_priv *priv = (void *)parent->engine;
- struct nv50_fifo_base *base = (void *)parent->parent;
- struct nv50_fifo_chan *chan = (void *)parent;
- u32 addr, me;
- int ret = 0;
-
- switch (nv_engidx(object->engine)) {
- case NVDEV_ENGINE_SW : return 0;
- case NVDEV_ENGINE_GR : addr = 0x0000; break;
- case NVDEV_ENGINE_MPEG : addr = 0x0060; break;
- default:
- return -EINVAL;
- }
-
- /* HW bug workaround:
- *
- * PFIFO will hang forever if the connected engines don't report
- * that they've processed the context switch request.
- *
- * In order for the kickoff to work, we need to ensure all the
- * connected engines are in a state where they can answer.
- *
- * Newer chipsets don't seem to suffer from this issue, and well,
- * there's also a "ignore these engines" bitmask reg we can use
- * if we hit the issue there..
- */
- me = nv_mask(priv, 0x00b860, 0x00000001, 0x00000001);
-
- /* do the kickoff... */
- nv_wr32(priv, 0x0032fc, nv_gpuobj(base)->addr >> 12);
- if (!nv_wait_ne(priv, 0x0032fc, 0xffffffff, 0xffffffff)) {
- nv_error(priv, "channel %d [%s] unload timeout\n",
- chan->base.chid, nvkm_client_name(chan));
- if (suspend)
- ret = -EBUSY;
- }
- nv_wr32(priv, 0x00b860, me);
-
- if (ret == 0) {
- nv_wo32(base->eng, addr + 0x00, 0x00000000);
- nv_wo32(base->eng, addr + 0x04, 0x00000000);
- nv_wo32(base->eng, addr + 0x08, 0x00000000);
- nv_wo32(base->eng, addr + 0x0c, 0x00000000);
- nv_wo32(base->eng, addr + 0x10, 0x00000000);
- nv_wo32(base->eng, addr + 0x14, 0x00000000);
- bar->flush(bar);
- }
-
- return ret;
-}
-
-static int
-nv50_fifo_object_attach(struct nvkm_object *parent,
- struct nvkm_object *object, u32 handle)
-{
- struct nv50_fifo_chan *chan = (void *)parent;
- u32 context;
-
- if (nv_iclass(object, NV_GPUOBJ_CLASS))
- context = nv_gpuobj(object)->node->offset >> 4;
- else
- context = 0x00000004; /* just non-zero */
+ cur = fifo->runlist[fifo->cur_runlist];
+ fifo->cur_runlist = !fifo->cur_runlist;
- switch (nv_engidx(object->engine)) {
- case NVDEV_ENGINE_DMAOBJ:
- case NVDEV_ENGINE_SW : context |= 0x00000000; break;
- case NVDEV_ENGINE_GR : context |= 0x00100000; break;
- case NVDEV_ENGINE_MPEG : context |= 0x00200000; break;
- default:
- return -EINVAL;
+ nvkm_kmap(cur);
+ for (i = 0, p = 0; i < fifo->base.nr; i++) {
+ if (nvkm_rd32(device, 0x002600 + (i * 4)) & 0x80000000)
+ nvkm_wo32(cur, p++ * 4, i);
}
+ nvkm_done(cur);
- return nvkm_ramht_insert(chan->ramht, 0, handle, context);
+ nvkm_wr32(device, 0x0032f4, nvkm_memory_addr(cur) >> 12);
+ nvkm_wr32(device, 0x0032ec, p);
+ nvkm_wr32(device, 0x002500, 0x00000101);
}
void
-nv50_fifo_object_detach(struct nvkm_object *parent, int cookie)
+nv50_fifo_runlist_update(struct nv50_fifo *fifo)
{
- struct nv50_fifo_chan *chan = (void *)parent;
- nvkm_ramht_remove(chan->ramht, cookie);
+ mutex_lock(&fifo->base.engine.subdev.mutex);
+ nv50_fifo_runlist_update_locked(fifo);
+ mutex_unlock(&fifo->base.engine.subdev.mutex);
}
-static int
-nv50_fifo_chan_ctor_dma(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
+int
+nv50_fifo_oneinit(struct nvkm_fifo *base)
{
- union {
- struct nv03_channel_dma_v0 v0;
- } *args = data;
- struct nvkm_bar *bar = nvkm_bar(parent);
- struct nv50_fifo_base *base = (void *)parent;
- struct nv50_fifo_chan *chan;
+ struct nv50_fifo *fifo = nv50_fifo(base);
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
int ret;
- nv_ioctl(parent, "create channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(parent, "create channel dma vers %d pushbuf %08x "
- "offset %016llx\n", args->v0.version,
- args->v0.pushbuf, args->v0.offset);
- } else
- return ret;
-
- ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
- 0x2000, args->v0.pushbuf,
- (1ULL << NVDEV_ENGINE_DMAOBJ) |
- (1ULL << NVDEV_ENGINE_SW) |
- (1ULL << NVDEV_ENGINE_GR) |
- (1ULL << NVDEV_ENGINE_MPEG), &chan);
- *pobject = nv_object(chan);
- if (ret)
- return ret;
-
- args->v0.chid = chan->base.chid;
-
- nv_parent(chan)->context_attach = nv50_fifo_context_attach;
- nv_parent(chan)->context_detach = nv50_fifo_context_detach;
- nv_parent(chan)->object_attach = nv50_fifo_object_attach;
- nv_parent(chan)->object_detach = nv50_fifo_object_detach;
-
- ret = nvkm_ramht_new(nv_object(chan), nv_object(chan), 0x8000, 16,
- &chan->ramht);
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 128 * 4, 0x1000,
+ false, &fifo->runlist[0]);
if (ret)
return ret;
- nv_wo32(base->ramfc, 0x08, lower_32_bits(args->v0.offset));
- nv_wo32(base->ramfc, 0x0c, upper_32_bits(args->v0.offset));
- nv_wo32(base->ramfc, 0x10, lower_32_bits(args->v0.offset));
- nv_wo32(base->ramfc, 0x14, upper_32_bits(args->v0.offset));
- nv_wo32(base->ramfc, 0x3c, 0x003f6078);
- nv_wo32(base->ramfc, 0x44, 0x01003fff);
- nv_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
- nv_wo32(base->ramfc, 0x4c, 0xffffffff);
- nv_wo32(base->ramfc, 0x60, 0x7fffffff);
- nv_wo32(base->ramfc, 0x78, 0x00000000);
- nv_wo32(base->ramfc, 0x7c, 0x30000001);
- nv_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
- (4 << 24) /* SEARCH_FULL */ |
- (chan->ramht->gpuobj.node->offset >> 4));
- bar->flush(bar);
- return 0;
+ return nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 128 * 4, 0x1000,
+ false, &fifo->runlist[1]);
}
-static int
-nv50_fifo_chan_ctor_ind(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
+void
+nv50_fifo_init(struct nvkm_fifo *base)
{
- union {
- struct nv50_channel_gpfifo_v0 v0;
- } *args = data;
- struct nvkm_bar *bar = nvkm_bar(parent);
- struct nv50_fifo_base *base = (void *)parent;
- struct nv50_fifo_chan *chan;
- u64 ioffset, ilength;
- int ret;
+ struct nv50_fifo *fifo = nv50_fifo(base);
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
+ int i;
- nv_ioctl(parent, "create channel gpfifo size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(parent, "create channel gpfifo vers %d pushbuf %08x "
- "ioffset %016llx ilength %08x\n",
- args->v0.version, args->v0.pushbuf, args->v0.ioffset,
- args->v0.ilength);
- } else
- return ret;
-
- ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
- 0x2000, args->v0.pushbuf,
- (1ULL << NVDEV_ENGINE_DMAOBJ) |
- (1ULL << NVDEV_ENGINE_SW) |
- (1ULL << NVDEV_ENGINE_GR) |
- (1ULL << NVDEV_ENGINE_MPEG), &chan);
- *pobject = nv_object(chan);
- if (ret)
- return ret;
+ nvkm_mask(device, 0x000200, 0x00000100, 0x00000000);
+ nvkm_mask(device, 0x000200, 0x00000100, 0x00000100);
+ nvkm_wr32(device, 0x00250c, 0x6f3cfc34);
+ nvkm_wr32(device, 0x002044, 0x01003fff);
- args->v0.chid = chan->base.chid;
+ nvkm_wr32(device, 0x002100, 0xffffffff);
+ nvkm_wr32(device, 0x002140, 0xbfffffff);
- nv_parent(chan)->context_attach = nv50_fifo_context_attach;
- nv_parent(chan)->context_detach = nv50_fifo_context_detach;
- nv_parent(chan)->object_attach = nv50_fifo_object_attach;
- nv_parent(chan)->object_detach = nv50_fifo_object_detach;
-
- ret = nvkm_ramht_new(nv_object(chan), nv_object(chan), 0x8000, 16,
- &chan->ramht);
- if (ret)
- return ret;
-
- ioffset = args->v0.ioffset;
- ilength = order_base_2(args->v0.ilength / 8);
+ for (i = 0; i < 128; i++)
+ nvkm_wr32(device, 0x002600 + (i * 4), 0x00000000);
+ nv50_fifo_runlist_update_locked(fifo);
- nv_wo32(base->ramfc, 0x3c, 0x403f6078);
- nv_wo32(base->ramfc, 0x44, 0x01003fff);
- nv_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
- nv_wo32(base->ramfc, 0x50, lower_32_bits(ioffset));
- nv_wo32(base->ramfc, 0x54, upper_32_bits(ioffset) | (ilength << 16));
- nv_wo32(base->ramfc, 0x60, 0x7fffffff);
- nv_wo32(base->ramfc, 0x78, 0x00000000);
- nv_wo32(base->ramfc, 0x7c, 0x30000001);
- nv_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
- (4 << 24) /* SEARCH_FULL */ |
- (chan->ramht->gpuobj.node->offset >> 4));
- bar->flush(bar);
- return 0;
+ nvkm_wr32(device, 0x003200, 0x00000001);
+ nvkm_wr32(device, 0x003250, 0x00000001);
+ nvkm_wr32(device, 0x002500, 0x00000001);
}
-void
-nv50_fifo_chan_dtor(struct nvkm_object *object)
+void *
+nv50_fifo_dtor(struct nvkm_fifo *base)
{
- struct nv50_fifo_chan *chan = (void *)object;
- nvkm_ramht_ref(NULL, &chan->ramht);
- nvkm_fifo_channel_destroy(&chan->base);
-}
-
-static int
-nv50_fifo_chan_init(struct nvkm_object *object)
-{
- struct nv50_fifo_priv *priv = (void *)object->engine;
- struct nv50_fifo_base *base = (void *)object->parent;
- struct nv50_fifo_chan *chan = (void *)object;
- struct nvkm_gpuobj *ramfc = base->ramfc;
- u32 chid = chan->base.chid;
- int ret;
-
- ret = nvkm_fifo_channel_init(&chan->base);
- if (ret)
- return ret;
-
- nv_wr32(priv, 0x002600 + (chid * 4), 0x80000000 | ramfc->addr >> 12);
- nv50_fifo_playlist_update(priv);
- return 0;
+ struct nv50_fifo *fifo = nv50_fifo(base);
+ nvkm_memory_del(&fifo->runlist[1]);
+ nvkm_memory_del(&fifo->runlist[0]);
+ return fifo;
}
int
-nv50_fifo_chan_fini(struct nvkm_object *object, bool suspend)
-{
- struct nv50_fifo_priv *priv = (void *)object->engine;
- struct nv50_fifo_chan *chan = (void *)object;
- u32 chid = chan->base.chid;
-
- /* remove channel from playlist, fifo will unload context */
- nv_mask(priv, 0x002600 + (chid * 4), 0x80000000, 0x00000000);
- nv50_fifo_playlist_update(priv);
- nv_wr32(priv, 0x002600 + (chid * 4), 0x00000000);
-
- return nvkm_fifo_channel_fini(&chan->base, suspend);
-}
-
-static struct nvkm_ofuncs
-nv50_fifo_ofuncs_dma = {
- .ctor = nv50_fifo_chan_ctor_dma,
- .dtor = nv50_fifo_chan_dtor,
- .init = nv50_fifo_chan_init,
- .fini = nv50_fifo_chan_fini,
- .map = _nvkm_fifo_channel_map,
- .rd32 = _nvkm_fifo_channel_rd32,
- .wr32 = _nvkm_fifo_channel_wr32,
- .ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_ofuncs
-nv50_fifo_ofuncs_ind = {
- .ctor = nv50_fifo_chan_ctor_ind,
- .dtor = nv50_fifo_chan_dtor,
- .init = nv50_fifo_chan_init,
- .fini = nv50_fifo_chan_fini,
- .map = _nvkm_fifo_channel_map,
- .rd32 = _nvkm_fifo_channel_rd32,
- .wr32 = _nvkm_fifo_channel_wr32,
- .ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_oclass
-nv50_fifo_sclass[] = {
- { NV50_CHANNEL_DMA, &nv50_fifo_ofuncs_dma },
- { NV50_CHANNEL_GPFIFO, &nv50_fifo_ofuncs_ind },
- {}
-};
-
-/*******************************************************************************
- * FIFO context - basically just the instmem reserved for the channel
- ******************************************************************************/
-
-static int
-nv50_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
+nv50_fifo_new_(const struct nvkm_fifo_func *func, struct nvkm_device *device,
+ int index, struct nvkm_fifo **pfifo)
{
- struct nv50_fifo_base *base;
+ struct nv50_fifo *fifo;
int ret;
- ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x10000,
- 0x1000, NVOBJ_FLAG_HEAP, &base);
- *pobject = nv_object(base);
- if (ret)
- return ret;
+ if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
+ return -ENOMEM;
+ *pfifo = &fifo->base;
- ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x0200,
- 0x1000, NVOBJ_FLAG_ZERO_ALLOC, &base->ramfc);
- if (ret)
- return ret;
-
- ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x1200, 0,
- NVOBJ_FLAG_ZERO_ALLOC, &base->eng);
- if (ret)
- return ret;
-
- ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x4000, 0, 0,
- &base->pgd);
- if (ret)
- return ret;
-
- ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
+ ret = nvkm_fifo_ctor(func, device, index, 128, &fifo->base);
if (ret)
return ret;
+ set_bit(0, fifo->base.mask); /* PIO channel */
+ set_bit(127, fifo->base.mask); /* inactive channel */
return 0;
}
-void
-nv50_fifo_context_dtor(struct nvkm_object *object)
-{
- struct nv50_fifo_base *base = (void *)object;
- nvkm_vm_ref(NULL, &base->vm, base->pgd);
- nvkm_gpuobj_ref(NULL, &base->pgd);
- nvkm_gpuobj_ref(NULL, &base->eng);
- nvkm_gpuobj_ref(NULL, &base->ramfc);
- nvkm_gpuobj_ref(NULL, &base->cache);
- nvkm_fifo_context_destroy(&base->base);
-}
-
-static struct nvkm_oclass
-nv50_fifo_cclass = {
- .handle = NV_ENGCTX(FIFO, 0x50),
- .ofuncs = &(struct nvkm_ofuncs) {
- .ctor = nv50_fifo_context_ctor,
- .dtor = nv50_fifo_context_dtor,
- .init = _nvkm_fifo_context_init,
- .fini = _nvkm_fifo_context_fini,
- .rd32 = _nvkm_fifo_context_rd32,
- .wr32 = _nvkm_fifo_context_wr32,
+static const struct nvkm_fifo_func
+nv50_fifo = {
+ .dtor = nv50_fifo_dtor,
+ .oneinit = nv50_fifo_oneinit,
+ .init = nv50_fifo_init,
+ .intr = nv04_fifo_intr,
+ .pause = nv04_fifo_pause,
+ .start = nv04_fifo_start,
+ .chan = {
+ &nv50_fifo_dma_oclass,
+ &nv50_fifo_gpfifo_oclass,
+ NULL
},
};
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
-
-static int
-nv50_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
-{
- struct nv50_fifo_priv *priv;
- int ret;
-
- ret = nvkm_fifo_create(parent, engine, oclass, 1, 127, &priv);
- *pobject = nv_object(priv);
- if (ret)
- return ret;
-
- ret = nvkm_gpuobj_new(nv_object(priv), NULL, 128 * 4, 0x1000, 0,
- &priv->playlist[0]);
- if (ret)
- return ret;
-
- ret = nvkm_gpuobj_new(nv_object(priv), NULL, 128 * 4, 0x1000, 0,
- &priv->playlist[1]);
- if (ret)
- return ret;
-
- nv_subdev(priv)->unit = 0x00000100;
- nv_subdev(priv)->intr = nv04_fifo_intr;
- nv_engine(priv)->cclass = &nv50_fifo_cclass;
- nv_engine(priv)->sclass = nv50_fifo_sclass;
- priv->base.pause = nv04_fifo_pause;
- priv->base.start = nv04_fifo_start;
- return 0;
-}
-
-void
-nv50_fifo_dtor(struct nvkm_object *object)
-{
- struct nv50_fifo_priv *priv = (void *)object;
-
- nvkm_gpuobj_ref(NULL, &priv->playlist[1]);
- nvkm_gpuobj_ref(NULL, &priv->playlist[0]);
-
- nvkm_fifo_destroy(&priv->base);
-}
-
int
-nv50_fifo_init(struct nvkm_object *object)
+nv50_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
{
- struct nv50_fifo_priv *priv = (void *)object;
- int ret, i;
-
- ret = nvkm_fifo_init(&priv->base);
- if (ret)
- return ret;
-
- nv_mask(priv, 0x000200, 0x00000100, 0x00000000);
- nv_mask(priv, 0x000200, 0x00000100, 0x00000100);
- nv_wr32(priv, 0x00250c, 0x6f3cfc34);
- nv_wr32(priv, 0x002044, 0x01003fff);
-
- nv_wr32(priv, 0x002100, 0xffffffff);
- nv_wr32(priv, 0x002140, 0xbfffffff);
-
- for (i = 0; i < 128; i++)
- nv_wr32(priv, 0x002600 + (i * 4), 0x00000000);
- nv50_fifo_playlist_update_locked(priv);
-
- nv_wr32(priv, 0x003200, 0x00000001);
- nv_wr32(priv, 0x003250, 0x00000001);
- nv_wr32(priv, 0x002500, 0x00000001);
- return 0;
+ return nv50_fifo_new_(&nv50_fifo, device, index, pfifo);
}
-
-struct nvkm_oclass *
-nv50_fifo_oclass = &(struct nvkm_oclass) {
- .handle = NV_ENGINE(FIFO, 0x50),
- .ofuncs = &(struct nvkm_ofuncs) {
- .ctor = nv50_fifo_ctor,
- .dtor = nv50_fifo_dtor,
- .init = nv50_fifo_init,
- .fini = _nvkm_fifo_fini,
- },
-};
Code Review / kvmfornfv.git / blobdiff