diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-10-30 00:20:56 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-10-30 00:20:56 -0700 |
commit | 53279f36dccffc26ff536003fd6bb97cc21c3b82 (patch) | |
tree | 9d16e497c0e4158c7c054c479bd0e9ff0388d7bb /drivers/gpu/drm/nouveau/nv98_crypt.c | |
parent | a6e8c0a25377e27958b11b20e1927885ae7c9857 (diff) | |
parent | 8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff) |
Merge tag 'v3.7-rc3' into next to sync up with recent USB and MFD changes
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv98_crypt.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv98_crypt.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/drivers/gpu/drm/nouveau/nv98_crypt.c b/drivers/gpu/drm/nouveau/nv98_crypt.c deleted file mode 100644 index e25e13fb894..00000000000 --- a/drivers/gpu/drm/nouveau/nv98_crypt.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Copyright 2011 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" - -#include "nv98_crypt.fuc.h" - -struct nv98_crypt_priv { - struct nouveau_exec_engine base; -}; - -struct nv98_crypt_chan { - struct nouveau_gpuobj *mem; -}; - -static int -nv98_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 nv98_crypt_priv *priv = nv_engine(dev, engine); - struct nv98_crypt_chan *cctx; - int ret; - - cctx = chan->engctx[engine] = kzalloc(sizeof(*cctx), GFP_KERNEL); - if (!cctx) - return -ENOMEM; - - atomic_inc(&chan->vm->engref[engine]); - - ret = nouveau_gpuobj_new(dev, chan, 256, 0, NVOBJ_FLAG_ZERO_ALLOC | - NVOBJ_FLAG_ZERO_FREE, &cctx->mem); - if (ret) - goto error; - - nv_wo32(chan->ramin, 0xa0, 0x00190000); - nv_wo32(chan->ramin, 0xa4, cctx->mem->vinst + cctx->mem->size - 1); - nv_wo32(chan->ramin, 0xa8, cctx->mem->vinst); - nv_wo32(chan->ramin, 0xac, 0x00000000); - nv_wo32(chan->ramin, 0xb0, 0x00000000); - nv_wo32(chan->ramin, 0xb4, 0x00000000); - dev_priv->engine.instmem.flush(dev); - -error: - if (ret) - priv->base.context_del(chan, engine); - return ret; -} - -static void -nv98_crypt_context_del(struct nouveau_channel *chan, int engine) -{ - struct nv98_crypt_chan *cctx = chan->engctx[engine]; - int i; - - for (i = 0xa0; i < 0xb4; i += 4) - nv_wo32(chan->ramin, i, 0x00000000); - - nouveau_gpuobj_ref(NULL, &cctx->mem); - - atomic_dec(&chan->vm->engref[engine]); - chan->engctx[engine] = NULL; - kfree(cctx); -} - -static int -nv98_crypt_object_new(struct nouveau_channel *chan, int engine, - u32 handle, u16 class) -{ - struct nv98_crypt_chan *cctx = chan->engctx[engine]; - - /* fuc engine doesn't need an object, our ramht code does.. */ - cctx->mem->engine = 5; - cctx->mem->class = class; - return nouveau_ramht_insert(chan, handle, cctx->mem); -} - -static void -nv98_crypt_tlb_flush(struct drm_device *dev, int engine) -{ - nv50_vm_flush_engine(dev, 0x0a); -} - -static int -nv98_crypt_fini(struct drm_device *dev, int engine, bool suspend) -{ - nv_mask(dev, 0x000200, 0x00004000, 0x00000000); - return 0; -} - -static int -nv98_crypt_init(struct drm_device *dev, int engine) -{ - int i; - - /* reset! */ - nv_mask(dev, 0x000200, 0x00004000, 0x00000000); - nv_mask(dev, 0x000200, 0x00004000, 0x00004000); - - /* wait for exit interrupt to signal */ - nv_wait(dev, 0x087008, 0x00000010, 0x00000010); - nv_wr32(dev, 0x087004, 0x00000010); - - /* upload microcode code and data segments */ - nv_wr32(dev, 0x087ff8, 0x00100000); - for (i = 0; i < ARRAY_SIZE(nv98_pcrypt_code); i++) - nv_wr32(dev, 0x087ff4, nv98_pcrypt_code[i]); - - nv_wr32(dev, 0x087ff8, 0x00000000); - for (i = 0; i < ARRAY_SIZE(nv98_pcrypt_data); i++) - nv_wr32(dev, 0x087ff4, nv98_pcrypt_data[i]); - - /* start it running */ - nv_wr32(dev, 0x08710c, 0x00000000); - nv_wr32(dev, 0x087104, 0x00000000); /* ENTRY */ - nv_wr32(dev, 0x087100, 0x00000002); /* TRIGGER */ - return 0; -} - -static struct nouveau_enum nv98_crypt_isr_error_name[] = { - { 0x0000, "ILLEGAL_MTHD" }, - { 0x0001, "INVALID_BITFIELD" }, - { 0x0002, "INVALID_ENUM" }, - { 0x0003, "QUERY" }, - {} -}; - -static void -nv98_crypt_isr(struct drm_device *dev) -{ - u32 disp = nv_rd32(dev, 0x08701c); - u32 stat = nv_rd32(dev, 0x087008) & disp & ~(disp >> 16); - u32 inst = nv_rd32(dev, 0x087050) & 0x3fffffff; - u32 ssta = nv_rd32(dev, 0x087040) & 0x0000ffff; - u32 addr = nv_rd32(dev, 0x087040) >> 16; - u32 mthd = (addr & 0x07ff) << 2; - u32 subc = (addr & 0x3800) >> 11; - u32 data = nv_rd32(dev, 0x087044); - int chid = nv50_graph_isr_chid(dev, inst); - - if (stat & 0x00000040) { - NV_INFO(dev, "PCRYPT: DISPATCH_ERROR ["); - nouveau_enum_print(nv98_crypt_isr_error_name, ssta); - printk("] ch %d [0x%08x] subc %d mthd 0x%04x data 0x%08x\n", - chid, inst, subc, mthd, data); - nv_wr32(dev, 0x087004, 0x00000040); - stat &= ~0x00000040; - } - - if (stat) { - NV_INFO(dev, "PCRYPT: unhandled intr 0x%08x\n", stat); - nv_wr32(dev, 0x087004, stat); - } - - nv50_fb_vm_trap(dev, 1); -} - -static void -nv98_crypt_destroy(struct drm_device *dev, int engine) -{ - struct nv98_crypt_priv *priv = nv_engine(dev, engine); - - nouveau_irq_unregister(dev, 14); - NVOBJ_ENGINE_DEL(dev, CRYPT); - kfree(priv); -} - -int -nv98_crypt_create(struct drm_device *dev) -{ - struct nv98_crypt_priv *priv; - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - priv->base.destroy = nv98_crypt_destroy; - priv->base.init = nv98_crypt_init; - priv->base.fini = nv98_crypt_fini; - priv->base.context_new = nv98_crypt_context_new; - priv->base.context_del = nv98_crypt_context_del; - priv->base.object_new = nv98_crypt_object_new; - priv->base.tlb_flush = nv98_crypt_tlb_flush; - - nouveau_irq_register(dev, 14, nv98_crypt_isr); - - NVOBJ_ENGINE_ADD(dev, CRYPT, &priv->base); - NVOBJ_CLASS(dev, 0x88b4, CRYPT); - return 0; -} |