X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fengine%2Ffifo%2Fnv40.c;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fengine%2Ffifo%2Fnv40.c;h=8c7ba32763c42e702d8e9d753851dd37b087755a;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=5bfc96265f3bf4c2d209226aed944e88f5013df5;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c
index 5bfc96265..8c7ba3276 100644
--- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c
@@ -22,19 +22,15 @@
  * Authors: Ben Skeggs
  */
 #include "nv04.h"
+#include "channv04.h"
+#include "regsnv04.h"
 
-#include <core/client.h>
-#include <core/device.h>
-#include <core/engctx.h>
 #include <core/ramht.h>
 #include <subdev/fb.h>
-#include <subdev/instmem/nv04.h>
+#include <subdev/instmem.h>
 
-#include <nvif/class.h>
-#include <nvif/unpack.h>
-
-static struct ramfc_desc
-nv40_ramfc[] = {
+static const struct nv04_fifo_ramfc
+nv40_fifo_ramfc[] = {
 	{ 32,  0, 0x00,  0, NV04_PFIFO_CACHE1_DMA_PUT },
 	{ 32,  0, 0x04,  0, NV04_PFIFO_CACHE1_DMA_GET },
 	{ 32,  0, 0x08,  0, NV10_PFIFO_CACHE1_REF_CNT },
@@ -60,297 +56,72 @@ nv40_ramfc[] = {
 	{}
 };
 
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
-
-static int
-nv40_fifo_object_attach(struct nvkm_object *parent,
-			struct nvkm_object *object, u32 handle)
-{
-	struct nv04_fifo_priv *priv = (void *)parent->engine;
-	struct nv04_fifo_chan *chan = (void *)parent;
-	u32 context, chid = chan->base.chid;
-	int ret;
-
-	if (nv_iclass(object, NV_GPUOBJ_CLASS))
-		context = nv_gpuobj(object)->addr >> 4;
-	else
-		context = 0x00000004; /* just non-zero */
-
-	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;
-	}
-
-	context |= chid << 23;
-
-	mutex_lock(&nv_subdev(priv)->mutex);
-	ret = nvkm_ramht_insert(priv->ramht, chid, handle, context);
-	mutex_unlock(&nv_subdev(priv)->mutex);
-	return ret;
-}
-
-static int
-nv40_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *engctx)
-{
-	struct nv04_fifo_priv *priv = (void *)parent->engine;
-	struct nv04_fifo_chan *chan = (void *)parent;
-	unsigned long flags;
-	u32 reg, ctx;
-
-	switch (nv_engidx(engctx->engine)) {
-	case NVDEV_ENGINE_SW:
-		return 0;
-	case NVDEV_ENGINE_GR:
-		reg = 0x32e0;
-		ctx = 0x38;
-		break;
-	case NVDEV_ENGINE_MPEG:
-		reg = 0x330c;
-		ctx = 0x54;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	spin_lock_irqsave(&priv->base.lock, flags);
-	nv_engctx(engctx)->addr = nv_gpuobj(engctx)->addr >> 4;
-	nv_mask(priv, 0x002500, 0x00000001, 0x00000000);
-
-	if ((nv_rd32(priv, 0x003204) & priv->base.max) == chan->base.chid)
-		nv_wr32(priv, reg, nv_engctx(engctx)->addr);
-	nv_wo32(priv->ramfc, chan->ramfc + ctx, nv_engctx(engctx)->addr);
-
-	nv_mask(priv, 0x002500, 0x00000001, 0x00000001);
-	spin_unlock_irqrestore(&priv->base.lock, flags);
-	return 0;
-}
-
-static int
-nv40_fifo_context_detach(struct nvkm_object *parent, bool suspend,
-			 struct nvkm_object *engctx)
+static void
+nv40_fifo_init(struct nvkm_fifo *base)
 {
-	struct nv04_fifo_priv *priv = (void *)parent->engine;
-	struct nv04_fifo_chan *chan = (void *)parent;
-	unsigned long flags;
-	u32 reg, ctx;
-
-	switch (nv_engidx(engctx->engine)) {
-	case NVDEV_ENGINE_SW:
-		return 0;
-	case NVDEV_ENGINE_GR:
-		reg = 0x32e0;
-		ctx = 0x38;
-		break;
-	case NVDEV_ENGINE_MPEG:
-		reg = 0x330c;
-		ctx = 0x54;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	spin_lock_irqsave(&priv->base.lock, flags);
-	nv_mask(priv, 0x002500, 0x00000001, 0x00000000);
-
-	if ((nv_rd32(priv, 0x003204) & priv->base.max) == chan->base.chid)
-		nv_wr32(priv, reg, 0x00000000);
-	nv_wo32(priv->ramfc, chan->ramfc + ctx, 0x00000000);
-
-	nv_mask(priv, 0x002500, 0x00000001, 0x00000001);
-	spin_unlock_irqrestore(&priv->base.lock, flags);
-	return 0;
-}
-
-static int
-nv40_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-		    struct nvkm_oclass *oclass, void *data, u32 size,
-		    struct nvkm_object **pobject)
-{
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo_priv *priv = (void *)engine;
-	struct nv04_fifo_chan *chan;
-	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,
-				       0x1000, 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 = nv40_fifo_context_attach;
-	nv_parent(chan)->context_detach = nv40_fifo_context_detach;
-	nv_parent(chan)->object_attach = nv40_fifo_object_attach;
-	nv_parent(chan)->object_detach = nv04_fifo_object_detach;
-	chan->ramfc = chan->base.chid * 128;
-
-	nv_wo32(priv->ramfc, chan->ramfc + 0x00, args->v0.offset);
-	nv_wo32(priv->ramfc, chan->ramfc + 0x04, args->v0.offset);
-	nv_wo32(priv->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
-	nv_wo32(priv->ramfc, chan->ramfc + 0x18, 0x30000000 |
-			     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
-			     NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-#ifdef __BIG_ENDIAN
-			     NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-			     NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
-	nv_wo32(priv->ramfc, chan->ramfc + 0x3c, 0x0001ffff);
-	return 0;
-}
-
-static struct nvkm_ofuncs
-nv40_fifo_ofuncs = {
-	.ctor = nv40_fifo_chan_ctor,
-	.dtor = nv04_fifo_chan_dtor,
-	.init = nv04_fifo_chan_init,
-	.fini = nv04_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
-nv40_fifo_sclass[] = {
-	{ NV40_CHANNEL_DMA, &nv40_fifo_ofuncs },
-	{}
-};
-
-/*******************************************************************************
- * FIFO context - basically just the instmem reserved for the channel
- ******************************************************************************/
-
-static struct nvkm_oclass
-nv40_fifo_cclass = {
-	.handle = NV_ENGCTX(FIFO, 0x40),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fifo_context_ctor,
-		.dtor = _nvkm_fifo_context_dtor,
-		.init = _nvkm_fifo_context_init,
-		.fini = _nvkm_fifo_context_fini,
-		.rd32 = _nvkm_fifo_context_rd32,
-		.wr32 = _nvkm_fifo_context_wr32,
-	},
-};
-
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
-
-static int
-nv40_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nv04_instmem_priv *imem = nv04_instmem(parent);
-	struct nv04_fifo_priv *priv;
-	int ret;
-
-	ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &priv);
-	*pobject = nv_object(priv);
-	if (ret)
-		return ret;
-
-	nvkm_ramht_ref(imem->ramht, &priv->ramht);
-	nvkm_gpuobj_ref(imem->ramro, &priv->ramro);
-	nvkm_gpuobj_ref(imem->ramfc, &priv->ramfc);
-
-	nv_subdev(priv)->unit = 0x00000100;
-	nv_subdev(priv)->intr = nv04_fifo_intr;
-	nv_engine(priv)->cclass = &nv40_fifo_cclass;
-	nv_engine(priv)->sclass = nv40_fifo_sclass;
-	priv->base.pause = nv04_fifo_pause;
-	priv->base.start = nv04_fifo_start;
-	priv->ramfc_desc = nv40_ramfc;
-	return 0;
-}
-
-static int
-nv40_fifo_init(struct nvkm_object *object)
-{
-	struct nv04_fifo_priv *priv = (void *)object;
-	struct nvkm_fb *pfb = nvkm_fb(object);
-	int ret;
-
-	ret = nvkm_fifo_init(&priv->base);
-	if (ret)
-		return ret;
-
-	nv_wr32(priv, 0x002040, 0x000000ff);
-	nv_wr32(priv, 0x002044, 0x2101ffff);
-	nv_wr32(priv, 0x002058, 0x00000001);
-
-	nv_wr32(priv, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
-				       ((priv->ramht->bits - 9) << 16) |
-				        (priv->ramht->gpuobj.addr >> 8));
-	nv_wr32(priv, NV03_PFIFO_RAMRO, priv->ramro->addr >> 8);
-
-	switch (nv_device(priv)->chipset) {
+	struct nv04_fifo *fifo = nv04_fifo(base);
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	struct nvkm_fb *fb = device->fb;
+	struct nvkm_instmem *imem = device->imem;
+	struct nvkm_ramht *ramht = imem->ramht;
+	struct nvkm_memory *ramro = imem->ramro;
+	struct nvkm_memory *ramfc = imem->ramfc;
+
+	nvkm_wr32(device, 0x002040, 0x000000ff);
+	nvkm_wr32(device, 0x002044, 0x2101ffff);
+	nvkm_wr32(device, 0x002058, 0x00000001);
+
+	nvkm_wr32(device, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
+					    ((ramht->bits - 9) << 16) |
+					    (ramht->gpuobj->addr >> 8));
+	nvkm_wr32(device, NV03_PFIFO_RAMRO, nvkm_memory_addr(ramro) >> 8);
+
+	switch (device->chipset) {
 	case 0x47:
 	case 0x49:
 	case 0x4b:
-		nv_wr32(priv, 0x002230, 0x00000001);
+		nvkm_wr32(device, 0x002230, 0x00000001);
 	case 0x40:
 	case 0x41:
 	case 0x42:
 	case 0x43:
 	case 0x45:
 	case 0x48:
-		nv_wr32(priv, 0x002220, 0x00030002);
+		nvkm_wr32(device, 0x002220, 0x00030002);
 		break;
 	default:
-		nv_wr32(priv, 0x002230, 0x00000000);
-		nv_wr32(priv, 0x002220, ((pfb->ram->size - 512 * 1024 +
-					 priv->ramfc->addr) >> 16) |
-					0x00030000);
+		nvkm_wr32(device, 0x002230, 0x00000000);
+		nvkm_wr32(device, 0x002220, ((fb->ram->size - 512 * 1024 +
+					      nvkm_memory_addr(ramfc)) >> 16) |
+					    0x00030000);
 		break;
 	}
 
-	nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH1, priv->base.max);
+	nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->base.nr - 1);
 
-	nv_wr32(priv, NV03_PFIFO_INTR_0, 0xffffffff);
-	nv_wr32(priv, NV03_PFIFO_INTR_EN_0, 0xffffffff);
+	nvkm_wr32(device, NV03_PFIFO_INTR_0, 0xffffffff);
+	nvkm_wr32(device, NV03_PFIFO_INTR_EN_0, 0xffffffff);
 
-	nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH0, 1);
-	nv_wr32(priv, NV04_PFIFO_CACHE1_PULL0, 1);
-	nv_wr32(priv, NV03_PFIFO_CACHES, 1);
-	return 0;
+	nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1);
+	nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
+	nvkm_wr32(device, NV03_PFIFO_CACHES, 1);
 }
 
-struct nvkm_oclass *
-nv40_fifo_oclass = &(struct nvkm_oclass) {
-	.handle = NV_ENGINE(FIFO, 0x40),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv40_fifo_ctor,
-		.dtor = nv04_fifo_dtor,
-		.init = nv40_fifo_init,
-		.fini = _nvkm_fifo_fini,
+static const struct nvkm_fifo_func
+nv40_fifo = {
+	.init = nv40_fifo_init,
+	.intr = nv04_fifo_intr,
+	.pause = nv04_fifo_pause,
+	.start = nv04_fifo_start,
+	.chan = {
+		&nv40_fifo_dma_oclass,
+		NULL
 	},
 };
+
+int
+nv40_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
+{
+	return nv04_fifo_new_(&nv40_fifo, device, index, 32,
+			      nv40_fifo_ramfc, pfifo);
+}