diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv84_crypt.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv84_crypt.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/drivers/gpu/drm/nouveau/nv84_crypt.c b/drivers/gpu/drm/nouveau/nv84_crypt.c deleted file mode 100644 index ec18ae1c388..00000000000 --- a/drivers/gpu/drm/nouveau/nv84_crypt.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * Copyright 2010 Red Hat Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: Ben Skeggs - */ - -#include "drmP.h" -#include "nouveau_drv.h" -#include "nouveau_util.h" -#include "nouveau_vm.h" - -static void nv84_crypt_isr(struct drm_device *); - -int -nv84_crypt_create_context(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *ramin = chan->ramin; - 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); - 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, 0xac, 0); - nv_wo32(ramin, 0xb0, 0); - nv_wo32(ramin, 0xb4, 0); - - dev_priv->engine.instmem.flush(dev); - atomic_inc(&chan->vm->pcrypt_refs); - return 0; -} - -void -nv84_crypt_destroy_context(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - u32 inst; - - if (!chan->crypt_ctx) - return; - - inst = (chan->ramin->vinst >> 12); - inst |= 0x80000000; - - /* mark context as invalid if still on the hardware, not - * doing this causes issues the next time PCRYPT is used, - * unsurprisingly :) - */ - nv_wr32(dev, 0x10200c, 0x00000000); - if (nv_rd32(dev, 0x102188) == inst) - nv_mask(dev, 0x102188, 0x80000000, 0x00000000); - if (nv_rd32(dev, 0x10218c) == inst) - nv_mask(dev, 0x10218c, 0x80000000, 0x00000000); - nv_wr32(dev, 0x10200c, 0x00000010); - - nouveau_gpuobj_ref(NULL, &chan->crypt_ctx); - atomic_dec(&chan->vm->pcrypt_refs); -} - -void -nv84_crypt_tlb_flush(struct drm_device *dev) -{ - nv50_vm_flush_engine(dev, 0x0a); -} - -int -nv84_crypt_init(struct drm_device *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; - } - - nv_mask(dev, 0x000200, 0x00004000, 0x00000000); - nv_mask(dev, 0x000200, 0x00004000, 0x00004000); - - nouveau_irq_register(dev, 14, nv84_crypt_isr); - nv_wr32(dev, 0x102130, 0xffffffff); - nv_wr32(dev, 0x102140, 0xffffffbf); - - nv_wr32(dev, 0x10200c, 0x00000010); - return 0; -} - -void -nv84_crypt_fini(struct drm_device *dev) -{ - nv_wr32(dev, 0x102140, 0x00000000); - nouveau_irq_unregister(dev, 14); -} - -static void -nv84_crypt_isr(struct drm_device *dev) -{ - u32 stat = nv_rd32(dev, 0x102130); - u32 mthd = nv_rd32(dev, 0x102190); - u32 data = nv_rd32(dev, 0x102194); - u32 inst = nv_rd32(dev, 0x102188) & 0x7fffffff; - int show = nouveau_ratelimit(); - - if (show) { - NV_INFO(dev, "PCRYPT_INTR: 0x%08x 0x%08x 0x%08x 0x%08x\n", - stat, mthd, data, inst); - } - - nv_wr32(dev, 0x102130, stat); - nv_wr32(dev, 0x10200c, 0x10); - - nv50_fb_vm_trap(dev, show, "PCRYPT"); -} |