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Commit b2c81703 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/dmaobj: switch to a slightly saner design 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent bc98540b

drivers/gpu/drm/nouveau/core/engine/dmaobj/base.c

+32 −41
Original line number Diff line number Diff line
@@ -30,22 +30,43 @@ 
#include "priv.h"



static int

nouveau_dmaobj_ctor(struct nouveau_object *parent,

nvkm_dmaobj_bind(struct nouveau_dmaobj *dmaobj, struct nouveau_object *parent,

		 struct nouveau_gpuobj **pgpuobj)

{

	const struct nvkm_dmaeng_impl *impl = (void *)

		nv_oclass(nv_object(dmaobj)->engine);

	int ret = 0;



	if (nv_object(dmaobj) == parent) { /* ctor bind */

		if (nv_mclass(parent->parent) == NV_DEVICE) {

			/* delayed, or no, binding */

			return 0;

		}

		ret = impl->bind(dmaobj, parent, pgpuobj);

		if (ret == 0)

			nouveau_object_ref(NULL, &parent);

		return ret;

	}



	return impl->bind(dmaobj, parent, pgpuobj);

}



int

nvkm_dmaobj_create_(struct nouveau_object *parent,

		    struct nouveau_object *engine,

		    struct nouveau_oclass *oclass, void *data, u32 size,

		    struct nouveau_object **pobject)

		    struct nouveau_oclass *oclass, void **pdata, u32 *psize,

		    int length, void **pobject)

{

	struct nouveau_dmaeng *dmaeng = (void *)engine;

	struct nv_dma_class *args = *pdata;

	struct nouveau_dmaobj *dmaobj;

	struct nouveau_gpuobj *gpuobj;

	struct nv_dma_class *args = data;

	int ret;



	if (size < sizeof(*args))

	if (*psize < sizeof(*args))

		return -EINVAL;

	*pdata = &args->conf0;



	ret = nouveau_object_create(parent, engine, oclass, 0, &dmaobj);

	*pobject = nv_object(dmaobj);

	ret = nouveau_object_create_(parent, engine, oclass, 0, length, pobject);

	dmaobj = *pobject;

	if (ret)

		return ret;
@@ -87,39 +108,9 @@ nouveau_dmaobj_ctor(struct nouveau_object *parent, 
	dmaobj->start = args->start;

	dmaobj->limit = args->limit;

	dmaobj->conf0 = args->conf0;



	switch (nv_mclass(parent)) {

	case NV_DEVICE:

		/* delayed, or no, binding */

		break;

	default:

		ret = dmaeng->bind(dmaeng, *pobject, dmaobj, &gpuobj);

		if (ret == 0) {

			nouveau_object_ref(NULL, pobject);

			*pobject = nv_object(gpuobj);

		}

		break;

	}



	return ret;

}



static struct nouveau_ofuncs

nouveau_dmaobj_ofuncs = {

	.ctor = nouveau_dmaobj_ctor,

	.dtor = nouveau_object_destroy,

	.init = nouveau_object_init,

	.fini = nouveau_object_fini,

};



static struct nouveau_oclass

nouveau_dmaobj_sclass[] = {

	{ NV_DMA_FROM_MEMORY_CLASS, &nouveau_dmaobj_ofuncs },

	{ NV_DMA_TO_MEMORY_CLASS, &nouveau_dmaobj_ofuncs },

	{ NV_DMA_IN_MEMORY_CLASS, &nouveau_dmaobj_ofuncs },

	{}

};



int

_nvkm_dmaeng_ctor(struct nouveau_object *parent, struct nouveau_object *engine,

		  struct nouveau_oclass *oclass, void *data, u32 size,
@@ -135,7 +126,7 @@ _nvkm_dmaeng_ctor(struct nouveau_object *parent, struct nouveau_object *engine, 
	if (ret)

		return ret;



	nv_engine(dmaeng)->sclass = nouveau_dmaobj_sclass;

	dmaeng->bind = impl->bind;

	nv_engine(dmaeng)->sclass = impl->sclass;

	dmaeng->bind = nvkm_dmaobj_bind;

	return 0;

}

drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c

+79 −36
Original line number Diff line number Diff line
@@ -30,19 +30,23 @@ 


#include "priv.h"



struct nv04_dmaobj_priv {

	struct nouveau_dmaobj base;

	bool clone;

	u32 flags0;

	u32 flags2;

};



static int

nv04_dmaobj_bind(struct nouveau_dmaeng *dmaeng,

nv04_dmaobj_bind(struct nouveau_dmaobj *dmaobj,

		 struct nouveau_object *parent,

		 struct nouveau_dmaobj *dmaobj,

		 struct nouveau_gpuobj **pgpuobj)

{

	struct nv04_vmmgr_priv *vmm = nv04_vmmgr(dmaeng);

	struct nv04_dmaobj_priv *priv = (void *)dmaobj;

	struct nouveau_gpuobj *gpuobj;

	u32 flags0 = nv_mclass(dmaobj);

	u32 flags2 = 0x00000000;

	u64 offset = dmaobj->start & 0xfffff000;

	u64 adjust = dmaobj->start & 0x00000fff;

	u32 length = dmaobj->limit - dmaobj->start;

	u64 offset = priv->base.start & 0xfffff000;

	u64 adjust = priv->base.start & 0x00000fff;

	u32 length = priv->base.limit - priv->base.start;

	int ret;



	if (!nv_iclass(parent, NV_ENGCTX_CLASS)) {
@@ -57,8 +61,8 @@ nv04_dmaobj_bind(struct nouveau_dmaeng *dmaeng, 
		}

	}



	if (dmaobj->target == NV_MEM_TARGET_VM) {

		if (nv_object(vmm)->oclass == &nv04_vmmgr_oclass) {

	if (priv->clone) {

		struct nv04_vmmgr_priv *vmm = nv04_vmmgr(dmaobj);

		struct nouveau_gpuobj *pgt = vmm->vm->pgt[0].obj[0];

		if (!dmaobj->start)

			return nouveau_gpuobj_dup(parent, pgt, pgpuobj);
@@ -66,48 +70,86 @@ nv04_dmaobj_bind(struct nouveau_dmaeng *dmaeng, 
		offset &= 0xfffff000;

	}



		dmaobj->target = NV_MEM_TARGET_PCI;

		dmaobj->access = NV_MEM_ACCESS_RW;

	ret = nouveau_gpuobj_new(parent, parent, 16, 16, 0, &gpuobj);

	*pgpuobj = gpuobj;

	if (ret == 0) {

		nv_wo32(*pgpuobj, 0x00, priv->flags0 | (adjust << 20));

		nv_wo32(*pgpuobj, 0x04, length);

		nv_wo32(*pgpuobj, 0x08, priv->flags2 | offset);

		nv_wo32(*pgpuobj, 0x0c, priv->flags2 | offset);

	}



	return ret;

}



	switch (dmaobj->target) {

static int

nv04_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine,

		 struct nouveau_oclass *oclass, void *data, u32 size,

		 struct nouveau_object **pobject)

{

	struct nouveau_dmaeng *dmaeng = (void *)engine;

	struct nv04_vmmgr_priv *vmm = nv04_vmmgr(engine);

	struct nv04_dmaobj_priv *priv;

	int ret;



	ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv);

	*pobject = nv_object(priv);

	if (ret)

		return ret;



	if (priv->base.target == NV_MEM_TARGET_VM) {

		if (nv_object(vmm)->oclass == &nv04_vmmgr_oclass)

			priv->clone = true;

		priv->base.target = NV_MEM_TARGET_PCI;

		priv->base.access = NV_MEM_ACCESS_RW;

	}



	priv->flags0 = nv_mclass(priv);

	switch (priv->base.target) {

	case NV_MEM_TARGET_VRAM:

		flags0 |= 0x00003000;

		priv->flags0 |= 0x00003000;

		break;

	case NV_MEM_TARGET_PCI:

		flags0 |= 0x00023000;

		priv->flags0 |= 0x00023000;

		break;

	case NV_MEM_TARGET_PCI_NOSNOOP:

		flags0 |= 0x00033000;

		priv->flags0 |= 0x00033000;

		break;

	default:

		return -EINVAL;

	}



	switch (dmaobj->access) {

	switch (priv->base.access) {

	case NV_MEM_ACCESS_RO:

		flags0 |= 0x00004000;

		priv->flags0 |= 0x00004000;

		break;

	case NV_MEM_ACCESS_WO:

		flags0 |= 0x00008000;

		priv->flags0 |= 0x00008000;

	case NV_MEM_ACCESS_RW:

		flags2 |= 0x00000002;

		priv->flags2 |= 0x00000002;

		break;

	default:

		return -EINVAL;

	}



	ret = nouveau_gpuobj_new(parent, parent, 16, 16, 0, &gpuobj);

	*pgpuobj = gpuobj;

	if (ret == 0) {

		nv_wo32(*pgpuobj, 0x00, flags0 | (adjust << 20));

		nv_wo32(*pgpuobj, 0x04, length);

		nv_wo32(*pgpuobj, 0x08, flags2 | offset);

		nv_wo32(*pgpuobj, 0x0c, flags2 | offset);

	return dmaeng->bind(&priv->base, nv_object(priv), (void *)pobject);

}



	return ret;

}

static struct nouveau_ofuncs

nv04_dmaobj_ofuncs = {

	.ctor =  nv04_dmaobj_ctor,

	.dtor = _nvkm_dmaobj_dtor,

	.init = _nvkm_dmaobj_init,

	.fini = _nvkm_dmaobj_fini,

};



static struct nouveau_oclass

nv04_dmaeng_sclass[] = {

	{ NV_DMA_FROM_MEMORY_CLASS, &nv04_dmaobj_ofuncs },

	{ NV_DMA_TO_MEMORY_CLASS, &nv04_dmaobj_ofuncs },

	{ NV_DMA_IN_MEMORY_CLASS, &nv04_dmaobj_ofuncs },

	{}

};



struct nouveau_oclass *

nv04_dmaeng_oclass = &(struct nvkm_dmaeng_impl) {
@@ -118,5 +160,6 @@ nv04_dmaeng_oclass = &(struct nvkm_dmaeng_impl) { 
		.init = _nvkm_dmaeng_init,

		.fini = _nvkm_dmaeng_fini,

	},

	.sclass = nv04_dmaeng_sclass,

	.bind = nv04_dmaobj_bind,

}.base;

drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c

+82 −38
Original line number Diff line number Diff line
@@ -29,14 +29,18 @@ 


#include "priv.h"



struct nv50_dmaobj_priv {

	struct nouveau_dmaobj base;

	u32 flags0;

	u32 flags5;

};



static int

nv50_dmaobj_bind(struct nouveau_dmaeng *dmaeng,

nv50_dmaobj_bind(struct nouveau_dmaobj *dmaobj,

		 struct nouveau_object *parent,

		 struct nouveau_dmaobj *dmaobj,

		 struct nouveau_gpuobj **pgpuobj)

{

	u32 flags0 = nv_mclass(dmaobj);

	u32 flags5 = 0x00000000;

	struct nv50_dmaobj_priv *priv = (void *)dmaobj;

	int ret;



	if (!nv_iclass(parent, NV_ENGCTX_CLASS)) {
@@ -66,67 +70,106 @@ nv50_dmaobj_bind(struct nouveau_dmaeng *dmaeng, 
		}

	}



	if (!(dmaobj->conf0 & NV50_DMA_CONF0_ENABLE)) {

		if (dmaobj->target == NV_MEM_TARGET_VM) {

			dmaobj->conf0  = NV50_DMA_CONF0_PRIV_VM;

			dmaobj->conf0 |= NV50_DMA_CONF0_PART_VM;

			dmaobj->conf0 |= NV50_DMA_CONF0_COMP_VM;

			dmaobj->conf0 |= NV50_DMA_CONF0_TYPE_VM;

	ret = nouveau_gpuobj_new(parent, parent, 24, 32, 0, pgpuobj);

	if (ret == 0) {

		nv_wo32(*pgpuobj, 0x00, priv->flags0 | nv_mclass(dmaobj));

		nv_wo32(*pgpuobj, 0x04, lower_32_bits(priv->base.limit));

		nv_wo32(*pgpuobj, 0x08, lower_32_bits(priv->base.start));

		nv_wo32(*pgpuobj, 0x0c, upper_32_bits(priv->base.limit) << 24 |

					upper_32_bits(priv->base.start));

		nv_wo32(*pgpuobj, 0x10, 0x00000000);

		nv_wo32(*pgpuobj, 0x14, priv->flags5);

	}



	return ret;

}



static int

nv50_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine,

		 struct nouveau_oclass *oclass, void *data, u32 size,

		 struct nouveau_object **pobject)

{

	struct nouveau_dmaeng *dmaeng = (void *)engine;

	struct nv50_dmaobj_priv *priv;

	union {

		u32 conf0;

	} *args;

	int ret;



	ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv);

	*pobject = nv_object(priv);

	if (ret)

		return ret;

	args = data;



	if (!(args->conf0 & NV50_DMA_CONF0_ENABLE)) {

		if (priv->base.target == NV_MEM_TARGET_VM) {

			args->conf0  = NV50_DMA_CONF0_PRIV_VM;

			args->conf0 |= NV50_DMA_CONF0_PART_VM;

			args->conf0 |= NV50_DMA_CONF0_COMP_VM;

			args->conf0 |= NV50_DMA_CONF0_TYPE_VM;

		} else {

			dmaobj->conf0  = NV50_DMA_CONF0_PRIV_US;

			dmaobj->conf0 |= NV50_DMA_CONF0_PART_256;

			dmaobj->conf0 |= NV50_DMA_CONF0_COMP_NONE;

			dmaobj->conf0 |= NV50_DMA_CONF0_TYPE_LINEAR;

			args->conf0  = NV50_DMA_CONF0_PRIV_US;

			args->conf0 |= NV50_DMA_CONF0_PART_256;

			args->conf0 |= NV50_DMA_CONF0_COMP_NONE;

			args->conf0 |= NV50_DMA_CONF0_TYPE_LINEAR;

		}

	}



	flags0 |= (dmaobj->conf0 & NV50_DMA_CONF0_COMP) << 22;

	flags0 |= (dmaobj->conf0 & NV50_DMA_CONF0_TYPE) << 22;

	flags0 |= (dmaobj->conf0 & NV50_DMA_CONF0_PRIV);

	flags5 |= (dmaobj->conf0 & NV50_DMA_CONF0_PART);

	priv->flags0 |= (args->conf0 & NV50_DMA_CONF0_COMP) << 22;

	priv->flags0 |= (args->conf0 & NV50_DMA_CONF0_TYPE) << 22;

	priv->flags0 |= (args->conf0 & NV50_DMA_CONF0_PRIV);

	priv->flags5 |= (args->conf0 & NV50_DMA_CONF0_PART);



	switch (dmaobj->target) {

	switch (priv->base.target) {

	case NV_MEM_TARGET_VM:

		flags0 |= 0x00000000;

		priv->flags0 |= 0x00000000;

		break;

	case NV_MEM_TARGET_VRAM:

		flags0 |= 0x00010000;

		priv->flags0 |= 0x00010000;

		break;

	case NV_MEM_TARGET_PCI:

		flags0 |= 0x00020000;

		priv->flags0 |= 0x00020000;

		break;

	case NV_MEM_TARGET_PCI_NOSNOOP:

		flags0 |= 0x00030000;

		priv->flags0 |= 0x00030000;

		break;

	default:

		return -EINVAL;

	}



	switch (dmaobj->access) {

	switch (priv->base.access) {

	case NV_MEM_ACCESS_VM:

		break;

	case NV_MEM_ACCESS_RO:

		flags0 |= 0x00040000;

		priv->flags0 |= 0x00040000;

		break;

	case NV_MEM_ACCESS_WO:

	case NV_MEM_ACCESS_RW:

		flags0 |= 0x00080000;

		priv->flags0 |= 0x00080000;

		break;

	default:

		return -EINVAL;

	}



	ret = nouveau_gpuobj_new(parent, parent, 24, 32, 0, pgpuobj);

	if (ret == 0) {

		nv_wo32(*pgpuobj, 0x00, flags0);

		nv_wo32(*pgpuobj, 0x04, lower_32_bits(dmaobj->limit));

		nv_wo32(*pgpuobj, 0x08, lower_32_bits(dmaobj->start));

		nv_wo32(*pgpuobj, 0x0c, upper_32_bits(dmaobj->limit) << 24 |

					upper_32_bits(dmaobj->start));

		nv_wo32(*pgpuobj, 0x10, 0x00000000);

		nv_wo32(*pgpuobj, 0x14, flags5);

	return dmaeng->bind(&priv->base, nv_object(priv), (void *)pobject);

}



	return ret;

}

static struct nouveau_ofuncs

nv50_dmaobj_ofuncs = {

	.ctor =  nv50_dmaobj_ctor,

	.dtor = _nvkm_dmaobj_dtor,

	.init = _nvkm_dmaobj_init,

	.fini = _nvkm_dmaobj_fini,

};



static struct nouveau_oclass

nv50_dmaeng_sclass[] = {

	{ NV_DMA_FROM_MEMORY_CLASS, &nv50_dmaobj_ofuncs },

	{ NV_DMA_TO_MEMORY_CLASS, &nv50_dmaobj_ofuncs },

	{ NV_DMA_IN_MEMORY_CLASS, &nv50_dmaobj_ofuncs },

	{}

};



struct nouveau_oclass *

nv50_dmaeng_oclass = &(struct nvkm_dmaeng_impl) {
@@ -137,5 +180,6 @@ nv50_dmaeng_oclass = &(struct nvkm_dmaeng_impl) { 
		.init = _nvkm_dmaeng_init,

		.fini = _nvkm_dmaeng_fini,

	},

	.sclass = nv50_dmaeng_sclass,

	.bind = nv50_dmaobj_bind,

}.base;

drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c

+76 −34
Original line number Diff line number Diff line
@@ -30,14 +30,18 @@ 


#include "priv.h"



struct nvc0_dmaobj_priv {

	struct nouveau_dmaobj base;

	u32 flags0;

	u32 flags5;

};



static int

nvc0_dmaobj_bind(struct nouveau_dmaeng *dmaeng,

nvc0_dmaobj_bind(struct nouveau_dmaobj *dmaobj,

		 struct nouveau_object *parent,

		 struct nouveau_dmaobj *dmaobj,

		 struct nouveau_gpuobj **pgpuobj)

{

	u32 flags0 = nv_mclass(dmaobj);

	u32 flags5 = 0x00000000;

	struct nvc0_dmaobj_priv *priv = (void *)dmaobj;

	int ret;



	if (!nv_iclass(parent, NV_ENGCTX_CLASS)) {
@@ -52,63 +56,100 @@ nvc0_dmaobj_bind(struct nouveau_dmaeng *dmaeng, 
	} else

		return 0;



	if (!(dmaobj->conf0 & NVC0_DMA_CONF0_ENABLE)) {

		if (dmaobj->target == NV_MEM_TARGET_VM) {

			dmaobj->conf0  = NVC0_DMA_CONF0_PRIV_VM;

			dmaobj->conf0 |= NVC0_DMA_CONF0_TYPE_VM;

	ret = nouveau_gpuobj_new(parent, parent, 24, 32, 0, pgpuobj);

	if (ret == 0) {

		nv_wo32(*pgpuobj, 0x00, priv->flags0 | nv_mclass(dmaobj));

		nv_wo32(*pgpuobj, 0x04, lower_32_bits(priv->base.limit));

		nv_wo32(*pgpuobj, 0x08, lower_32_bits(priv->base.start));

		nv_wo32(*pgpuobj, 0x0c, upper_32_bits(priv->base.limit) << 24 |

					upper_32_bits(priv->base.start));

		nv_wo32(*pgpuobj, 0x10, 0x00000000);

		nv_wo32(*pgpuobj, 0x14, priv->flags5);

	}



	return ret;

}



static int

nvc0_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine,

		 struct nouveau_oclass *oclass, void *data, u32 size,

		 struct nouveau_object **pobject)

{

	struct nouveau_dmaeng *dmaeng = (void *)engine;

	struct nvc0_dmaobj_priv *priv;

	union {

		u32 conf0;

	} *args;

	int ret;



	ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv);

	*pobject = nv_object(priv);

	if (ret)

		return ret;

	args = data;



	if (!(args->conf0 & NVC0_DMA_CONF0_ENABLE)) {

		if (priv->base.target == NV_MEM_TARGET_VM) {

			args->conf0  = NVC0_DMA_CONF0_PRIV_VM;

			args->conf0 |= NVC0_DMA_CONF0_TYPE_VM;

		} else {

			dmaobj->conf0  = NVC0_DMA_CONF0_PRIV_US;

			dmaobj->conf0 |= NVC0_DMA_CONF0_TYPE_LINEAR;

			dmaobj->conf0 |= 0x00020000;

			args->conf0  = NVC0_DMA_CONF0_PRIV_US;

			args->conf0 |= NVC0_DMA_CONF0_TYPE_LINEAR;

			args->conf0 |= 0x00020000;

		}

	}



	flags0 |= (dmaobj->conf0 & NVC0_DMA_CONF0_TYPE) << 22;

	flags0 |= (dmaobj->conf0 & NVC0_DMA_CONF0_PRIV);

	flags5 |= (dmaobj->conf0 & NVC0_DMA_CONF0_UNKN);

	priv->flags0 |= (args->conf0 & NVC0_DMA_CONF0_TYPE) << 22;

	priv->flags0 |= (args->conf0 & NVC0_DMA_CONF0_PRIV);

	priv->flags5 |= (args->conf0 & NVC0_DMA_CONF0_UNKN);



	switch (dmaobj->target) {

	switch (priv->base.target) {

	case NV_MEM_TARGET_VM:

		flags0 |= 0x00000000;

		priv->flags0 |= 0x00000000;

		break;

	case NV_MEM_TARGET_VRAM:

		flags0 |= 0x00010000;

		priv->flags0 |= 0x00010000;

		break;

	case NV_MEM_TARGET_PCI:

		flags0 |= 0x00020000;

		priv->flags0 |= 0x00020000;

		break;

	case NV_MEM_TARGET_PCI_NOSNOOP:

		flags0 |= 0x00030000;

		priv->flags0 |= 0x00030000;

		break;

	default:

		return -EINVAL;

	}



	switch (dmaobj->access) {

	switch (priv->base.access) {

	case NV_MEM_ACCESS_VM:

		break;

	case NV_MEM_ACCESS_RO:

		flags0 |= 0x00040000;

		priv->flags0 |= 0x00040000;

		break;

	case NV_MEM_ACCESS_WO:

	case NV_MEM_ACCESS_RW:

		flags0 |= 0x00080000;

		priv->flags0 |= 0x00080000;

		break;

	}



	ret = nouveau_gpuobj_new(parent, parent, 24, 32, 0, pgpuobj);

	if (ret == 0) {

		nv_wo32(*pgpuobj, 0x00, flags0);

		nv_wo32(*pgpuobj, 0x04, lower_32_bits(dmaobj->limit));

		nv_wo32(*pgpuobj, 0x08, lower_32_bits(dmaobj->start));

		nv_wo32(*pgpuobj, 0x0c, upper_32_bits(dmaobj->limit) << 24 |

					upper_32_bits(dmaobj->start));

		nv_wo32(*pgpuobj, 0x10, 0x00000000);

		nv_wo32(*pgpuobj, 0x14, flags5);

	return dmaeng->bind(&priv->base, nv_object(priv), (void *)pobject);

}



	return ret;

}

static struct nouveau_ofuncs

nvc0_dmaobj_ofuncs = {

	.ctor =  nvc0_dmaobj_ctor,

	.dtor = _nvkm_dmaobj_dtor,

	.init = _nvkm_dmaobj_init,

	.fini = _nvkm_dmaobj_fini,

};



static struct nouveau_oclass

nvc0_dmaeng_sclass[] = {

	{ NV_DMA_FROM_MEMORY_CLASS, &nvc0_dmaobj_ofuncs },

	{ NV_DMA_TO_MEMORY_CLASS, &nvc0_dmaobj_ofuncs },

	{ NV_DMA_IN_MEMORY_CLASS, &nvc0_dmaobj_ofuncs },

	{}

};



struct nouveau_oclass *

nvc0_dmaeng_oclass = &(struct nvkm_dmaeng_impl) {
@@ -119,5 +160,6 @@ nvc0_dmaeng_oclass = &(struct nvkm_dmaeng_impl) { 
		.init = _nvkm_dmaeng_init,

		.fini = _nvkm_dmaeng_fini,

	},

	.sclass = nvc0_dmaeng_sclass,

	.bind = nvc0_dmaobj_bind,

}.base;

drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c

+73 −27
Original line number Diff line number Diff line
@@ -30,17 +30,17 @@ 


#include "priv.h"



struct nvd0_dmaeng_priv {

	struct nouveau_dmaeng base;

struct nvd0_dmaobj_priv {

	struct nouveau_dmaobj base;

	u32 flags0;

};



static int

nvd0_dmaobj_bind(struct nouveau_dmaeng *dmaeng,

nvd0_dmaobj_bind(struct nouveau_dmaobj *dmaobj,

		 struct nouveau_object *parent,

		 struct nouveau_dmaobj *dmaobj,

		 struct nouveau_gpuobj **pgpuobj)

{

	u32 flags0 = 0x00000000;

	struct nvd0_dmaobj_priv *priv = (void *)dmaobj;

	int ret;



	if (!nv_iclass(parent, NV_ENGCTX_CLASS)) {
@@ -64,40 +64,85 @@ nvd0_dmaobj_bind(struct nouveau_dmaeng *dmaeng, 
	} else

		return 0;



	if (!(dmaobj->conf0 & NVD0_DMA_CONF0_ENABLE)) {

		if (dmaobj->target == NV_MEM_TARGET_VM) {

			dmaobj->conf0 |= NVD0_DMA_CONF0_TYPE_VM;

			dmaobj->conf0 |= NVD0_DMA_CONF0_PAGE_LP;

	ret = nouveau_gpuobj_new(parent, parent, 24, 32, 0, pgpuobj);

	if (ret == 0) {

		nv_wo32(*pgpuobj, 0x00, priv->flags0);

		nv_wo32(*pgpuobj, 0x04, priv->base.start >> 8);

		nv_wo32(*pgpuobj, 0x08, priv->base.limit >> 8);

		nv_wo32(*pgpuobj, 0x0c, 0x00000000);

		nv_wo32(*pgpuobj, 0x10, 0x00000000);

		nv_wo32(*pgpuobj, 0x14, 0x00000000);

	}



	return ret;

}



static int

nvd0_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine,

		 struct nouveau_oclass *oclass, void *data, u32 size,

		 struct nouveau_object **pobject)

{

	struct nouveau_dmaeng *dmaeng = (void *)engine;

	struct nvd0_dmaobj_priv *priv;

	union {

		u32 conf0;

	} *args;

	int ret;



	ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv);

	*pobject = nv_object(priv);

	if (ret)

		return ret;

	args = data;



	if (!(args->conf0 & NVD0_DMA_CONF0_ENABLE)) {

		if (priv->base.target == NV_MEM_TARGET_VM) {

			args->conf0 |= NVD0_DMA_CONF0_TYPE_VM;

			args->conf0 |= NVD0_DMA_CONF0_PAGE_LP;

		} else {

			dmaobj->conf0 |= NVD0_DMA_CONF0_TYPE_LINEAR;

			dmaobj->conf0 |= NVD0_DMA_CONF0_PAGE_SP;

			args->conf0 |= NVD0_DMA_CONF0_TYPE_LINEAR;

			args->conf0 |= NVD0_DMA_CONF0_PAGE_SP;

		}

	}



	flags0 |= (dmaobj->conf0 & NVD0_DMA_CONF0_TYPE) << 20;

	flags0 |= (dmaobj->conf0 & NVD0_DMA_CONF0_PAGE) >> 4;

	priv->flags0 |= (args->conf0 & NVD0_DMA_CONF0_TYPE) << 20;

	priv->flags0 |= (args->conf0 & NVD0_DMA_CONF0_PAGE) >> 4;



	switch (dmaobj->target) {

	switch (priv->base.target) {

	case NV_MEM_TARGET_VRAM:

		flags0 |= 0x00000009;

		priv->flags0 |= 0x00000009;

		break;

	case NV_MEM_TARGET_VM:

	case NV_MEM_TARGET_PCI:

	case NV_MEM_TARGET_PCI_NOSNOOP:

		/* XXX: don't currently know how to construct a real one

		 *      of these.  we only use them to represent pushbufs

		 *      on these chipsets, and the classes that use them

		 *      deal with the target themselves.

		 */

		break;

	default:

		return -EINVAL;

		break;

	}



	ret = nouveau_gpuobj_new(parent, parent, 24, 32, 0, pgpuobj);

	if (ret == 0) {

		nv_wo32(*pgpuobj, 0x00, flags0);

		nv_wo32(*pgpuobj, 0x04, dmaobj->start >> 8);

		nv_wo32(*pgpuobj, 0x08, dmaobj->limit >> 8);

		nv_wo32(*pgpuobj, 0x0c, 0x00000000);

		nv_wo32(*pgpuobj, 0x10, 0x00000000);

		nv_wo32(*pgpuobj, 0x14, 0x00000000);

	return dmaeng->bind(&priv->base, nv_object(priv), (void *)pobject);

}



	return ret;

}

static struct nouveau_ofuncs

nvd0_dmaobj_ofuncs = {

	.ctor =  nvd0_dmaobj_ctor,

	.dtor = _nvkm_dmaobj_dtor,

	.init = _nvkm_dmaobj_init,

	.fini = _nvkm_dmaobj_fini,

};



static struct nouveau_oclass

nvd0_dmaeng_sclass[] = {

	{ NV_DMA_FROM_MEMORY_CLASS, &nvd0_dmaobj_ofuncs },

	{ NV_DMA_TO_MEMORY_CLASS, &nvd0_dmaobj_ofuncs },

	{ NV_DMA_IN_MEMORY_CLASS, &nvd0_dmaobj_ofuncs },

	{}

};



struct nouveau_oclass *

nvd0_dmaeng_oclass = &(struct nvkm_dmaeng_impl) {
@@ -108,5 +153,6 @@ nvd0_dmaeng_oclass = &(struct nvkm_dmaeng_impl) { 
		.init = _nvkm_dmaeng_init,

		.fini = _nvkm_dmaeng_fini,

	},

	.sclass = nvd0_dmaeng_sclass,

	.bind = nvd0_dmaobj_bind,

}.base;