diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv84_crypt.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv84_crypt.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/drivers/gpu/drm/nouveau/nv84_crypt.c b/drivers/gpu/drm/nouveau/nv84_crypt.c deleted file mode 100644 index bbfcc73b670..00000000000 --- a/drivers/gpu/drm/nouveau/nv84_crypt.c +++ /dev/null @@ -1,205 +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" -#include "nouveau_ramht.h" - -struct nv84_crypt_engine { - struct nouveau_exec_engine base; -}; - -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, &ctx); - if (ret) - return ret; - - nv_wo32(ramin, 0xa0, 0x00190000); - 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->engref[engine]); - chan->engctx[engine] = ctx; - return 0; -} - -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; - - 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, &ctx); - - atomic_dec(&chan->vm->engref[engine]); - chan->engctx[engine] = NULL; -} - -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_gpuobj *obj = NULL; - int ret; - - ret = nouveau_gpuobj_new(dev, chan, 16, 16, NVOBJ_FLAG_ZERO_FREE, &obj); - if (ret) - return ret; - obj->engine = 5; - obj->class = class; - - nv_wo32(obj, 0x00, class); - dev_priv->engine.instmem.flush(dev); - - ret = nouveau_ramht_insert(chan, handle, obj); - nouveau_gpuobj_ref(NULL, &obj); - return ret; -} - -static void -nv84_crypt_tlb_flush(struct drm_device *dev, int engine) -{ - nv50_vm_flush_engine(dev, 0x0a); -} - -static struct nouveau_bitfield nv84_crypt_intr[] = { - { 0x00000001, "INVALID_STATE" }, - { 0x00000002, "ILLEGAL_MTHD" }, - { 0x00000004, "ILLEGAL_CLASS" }, - { 0x00000080, "QUERY" }, - { 0x00000100, "FAULT" }, - {} -}; - -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); - u64 inst = (u64)(nv_rd32(dev, 0x102188) & 0x7fffffff) << 12; - int show = nouveau_ratelimit(); - int chid = nv50_graph_isr_chid(dev, inst); - - if (show) { - NV_INFO(dev, "PCRYPT:"); - nouveau_bitfield_print(nv84_crypt_intr, stat); - printk(KERN_CONT " ch %d (0x%010llx) mthd 0x%04x data 0x%08x\n", - chid, inst, mthd, data); - } - - nv_wr32(dev, 0x102130, stat); - nv_wr32(dev, 0x10200c, 0x10); - - nv50_fb_vm_trap(dev, show); -} - -static int -nv84_crypt_fini(struct drm_device *dev, int engine, bool suspend) -{ - 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; -} |