diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv84_crypt.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv84_crypt.c | 135 |
1 files changed, 94 insertions, 41 deletions
diff --git a/drivers/gpu/drm/nouveau/nv84_crypt.c b/drivers/gpu/drm/nouveau/nv84_crypt.c index fabc7fd30b1d..75b809a51748 100644 --- a/drivers/gpu/drm/nouveau/nv84_crypt.c +++ b/drivers/gpu/drm/nouveau/nv84_crypt.c @@ -26,46 +26,48 @@ #include "nouveau_drv.h" #include "nouveau_util.h" #include "nouveau_vm.h" +#include "nouveau_ramht.h" -static void nv84_crypt_isr(struct drm_device *); +struct nv84_crypt_engine { + struct nouveau_exec_engine base; +}; -int -nv84_crypt_create_context(struct nouveau_channel *chan) +static int +nv84_crypt_context_new(struct nouveau_channel *chan, int engine) { struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_gpuobj *ramin = chan->ramin; + struct nouveau_gpuobj *ctx; int ret; NV_DEBUG(dev, "ch%d\n", chan->id); - ret = nouveau_gpuobj_new(dev, chan, 256, 0, - NVOBJ_FLAG_ZERO_ALLOC | NVOBJ_FLAG_ZERO_FREE, - &chan->crypt_ctx); + ret = nouveau_gpuobj_new(dev, chan, 256, 0, NVOBJ_FLAG_ZERO_ALLOC | + NVOBJ_FLAG_ZERO_FREE, &ctx); if (ret) return ret; nv_wo32(ramin, 0xa0, 0x00190000); - nv_wo32(ramin, 0xa4, chan->crypt_ctx->vinst + 0xff); - nv_wo32(ramin, 0xa8, chan->crypt_ctx->vinst); + nv_wo32(ramin, 0xa4, ctx->vinst + ctx->size - 1); + nv_wo32(ramin, 0xa8, ctx->vinst); nv_wo32(ramin, 0xac, 0); nv_wo32(ramin, 0xb0, 0); nv_wo32(ramin, 0xb4, 0); - dev_priv->engine.instmem.flush(dev); - atomic_inc(&chan->vm->pcrypt_refs); + + atomic_inc(&chan->vm->engref[engine]); + chan->engctx[engine] = ctx; return 0; } -void -nv84_crypt_destroy_context(struct nouveau_channel *chan) +static void +nv84_crypt_context_del(struct nouveau_channel *chan, int engine) { + struct nouveau_gpuobj *ctx = chan->engctx[engine]; struct drm_device *dev = chan->dev; u32 inst; - if (!chan->crypt_ctx) - return; - inst = (chan->ramin->vinst >> 12); inst |= 0x80000000; @@ -80,43 +82,39 @@ nv84_crypt_destroy_context(struct nouveau_channel *chan) nv_mask(dev, 0x10218c, 0x80000000, 0x00000000); nv_wr32(dev, 0x10200c, 0x00000010); - nouveau_gpuobj_ref(NULL, &chan->crypt_ctx); - atomic_dec(&chan->vm->pcrypt_refs); -} + nouveau_gpuobj_ref(NULL, &ctx); -void -nv84_crypt_tlb_flush(struct drm_device *dev) -{ - nv50_vm_flush_engine(dev, 0x0a); + atomic_dec(&chan->vm->engref[engine]); + chan->engctx[engine] = NULL; } -int -nv84_crypt_init(struct drm_device *dev) +static int +nv84_crypt_object_new(struct nouveau_channel *chan, int engine, + u32 handle, u16 class) { + struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_crypt_engine *pcrypt = &dev_priv->engine.crypt; - - if (!pcrypt->registered) { - NVOBJ_CLASS(dev, 0x74c1, CRYPT); - pcrypt->registered = true; - } + struct nouveau_gpuobj *obj = NULL; + int ret; - nv_mask(dev, 0x000200, 0x00004000, 0x00000000); - nv_mask(dev, 0x000200, 0x00004000, 0x00004000); + ret = nouveau_gpuobj_new(dev, chan, 16, 16, NVOBJ_FLAG_ZERO_FREE, &obj); + if (ret) + return ret; + obj->engine = 5; + obj->class = class; - nouveau_irq_register(dev, 14, nv84_crypt_isr); - nv_wr32(dev, 0x102130, 0xffffffff); - nv_wr32(dev, 0x102140, 0xffffffbf); + nv_wo32(obj, 0x00, class); + dev_priv->engine.instmem.flush(dev); - nv_wr32(dev, 0x10200c, 0x00000010); - return 0; + ret = nouveau_ramht_insert(chan, handle, obj); + nouveau_gpuobj_ref(NULL, &obj); + return ret; } -void -nv84_crypt_fini(struct drm_device *dev) +static void +nv84_crypt_tlb_flush(struct drm_device *dev, int engine) { - nv_wr32(dev, 0x102140, 0x00000000); - nouveau_irq_unregister(dev, 14); + nv50_vm_flush_engine(dev, 0x0a); } static void @@ -138,3 +136,58 @@ nv84_crypt_isr(struct drm_device *dev) nv50_fb_vm_trap(dev, show); } + +static int +nv84_crypt_fini(struct drm_device *dev, int engine) +{ + nv_wr32(dev, 0x102140, 0x00000000); + return 0; +} + +static int +nv84_crypt_init(struct drm_device *dev, int engine) +{ + nv_mask(dev, 0x000200, 0x00004000, 0x00000000); + nv_mask(dev, 0x000200, 0x00004000, 0x00004000); + + nv_wr32(dev, 0x102130, 0xffffffff); + nv_wr32(dev, 0x102140, 0xffffffbf); + + nv_wr32(dev, 0x10200c, 0x00000010); + return 0; +} + +static void +nv84_crypt_destroy(struct drm_device *dev, int engine) +{ + struct nv84_crypt_engine *pcrypt = nv_engine(dev, engine); + + NVOBJ_ENGINE_DEL(dev, CRYPT); + + nouveau_irq_unregister(dev, 14); + kfree(pcrypt); +} + +int +nv84_crypt_create(struct drm_device *dev) +{ + struct nv84_crypt_engine *pcrypt; + + pcrypt = kzalloc(sizeof(*pcrypt), GFP_KERNEL); + if (!pcrypt) + return -ENOMEM; + + pcrypt->base.destroy = nv84_crypt_destroy; + pcrypt->base.init = nv84_crypt_init; + pcrypt->base.fini = nv84_crypt_fini; + pcrypt->base.context_new = nv84_crypt_context_new; + pcrypt->base.context_del = nv84_crypt_context_del; + pcrypt->base.object_new = nv84_crypt_object_new; + pcrypt->base.tlb_flush = nv84_crypt_tlb_flush; + + nouveau_irq_register(dev, 14, nv84_crypt_isr); + + NVOBJ_ENGINE_ADD(dev, CRYPT, &pcrypt->base); + NVOBJ_CLASS (dev, 0x74c1, CRYPT); + return 0; +} |