diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c | 170 |
1 files changed, 103 insertions, 67 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c index cd3970d03b80..88ec33b20048 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvc0.c @@ -22,32 +22,35 @@ * Authors: Ben Skeggs */ +#include <core/client.h> #include <core/device.h> #include <core/gpuobj.h> -#include <core/class.h> +#include <nvif/unpack.h> +#include <nvif/class.h> #include <subdev/fb.h> -#include <engine/dmaobj.h> -struct nvc0_dmaeng_priv { - struct nouveau_dmaeng base; +#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)) { switch (nv_mclass(parent->parent)) { - case NVA3_DISP_MAST_CLASS: - case NVA3_DISP_SYNC_CLASS: - case NVA3_DISP_OVLY_CLASS: + case GT214_DISP_CORE_CHANNEL_DMA: + case GT214_DISP_BASE_CHANNEL_DMA: + case GT214_DISP_OVERLAY_CHANNEL_DMA: break; default: return -EINVAL; @@ -55,89 +58,122 @@ 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; + union { + struct gf100_dma_v0 v0; + } *args; + struct nvc0_dmaobj_priv *priv; + u32 kind, user, unkn; + int ret; + + ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + args = data; + + nv_ioctl(parent, "create gf100 dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create gf100 dma vers %d priv %d kind %02x\n", + args->v0.version, args->v0.priv, args->v0.kind); + kind = args->v0.kind; + user = args->v0.priv; + unkn = 0; + } else + if (size == 0) { + if (priv->base.target != NV_MEM_TARGET_VM) { + kind = GF100_DMA_V0_KIND_PITCH; + user = GF100_DMA_V0_PRIV_US; + unkn = 2; } else { - dmaobj->conf0 = NVC0_DMA_CONF0_PRIV_US; - dmaobj->conf0 |= NVC0_DMA_CONF0_TYPE_LINEAR; - dmaobj->conf0 |= 0x00020000; + kind = GF100_DMA_V0_KIND_VM; + user = GF100_DMA_V0_PRIV_VM; + unkn = 0; } - } + } else + return ret; - flags0 |= (dmaobj->conf0 & NVC0_DMA_CONF0_TYPE) << 22; - flags0 |= (dmaobj->conf0 & NVC0_DMA_CONF0_PRIV); - flags5 |= (dmaobj->conf0 & NVC0_DMA_CONF0_UNKN); + if (user > 2) + return -EINVAL; + priv->flags0 |= (kind << 22) | (user << 20); + priv->flags5 |= (unkn << 16); - 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 ret; + return dmaeng->bind(&priv->base, nv_object(priv), (void *)pobject); } -static int -nvc0_dmaeng_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nvc0_dmaeng_priv *priv; - int ret; - - ret = nouveau_dmaeng_create(parent, engine, oclass, &priv); - *pobject = nv_object(priv); - if (ret) - 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, +}; - nv_engine(priv)->sclass = nouveau_dmaobj_sclass; - priv->base.bind = nvc0_dmaobj_bind; - return 0; -} +static struct nouveau_oclass +nvc0_dmaeng_sclass[] = { + { NV_DMA_FROM_MEMORY, &nvc0_dmaobj_ofuncs }, + { NV_DMA_TO_MEMORY, &nvc0_dmaobj_ofuncs }, + { NV_DMA_IN_MEMORY, &nvc0_dmaobj_ofuncs }, + {} +}; -struct nouveau_oclass -nvc0_dmaeng_oclass = { - .handle = NV_ENGINE(DMAOBJ, 0xc0), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nvc0_dmaeng_ctor, - .dtor = _nouveau_dmaeng_dtor, - .init = _nouveau_dmaeng_init, - .fini = _nouveau_dmaeng_fini, +struct nouveau_oclass * +nvc0_dmaeng_oclass = &(struct nvkm_dmaeng_impl) { + .base.handle = NV_ENGINE(DMAOBJ, 0xc0), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = _nvkm_dmaeng_ctor, + .dtor = _nvkm_dmaeng_dtor, + .init = _nvkm_dmaeng_init, + .fini = _nvkm_dmaeng_fini, }, -}; + .sclass = nvc0_dmaeng_sclass, + .bind = nvc0_dmaobj_bind, +}.base; |