diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv98_crypt.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv98_crypt.c | 166 |
1 files changed, 152 insertions, 14 deletions
diff --git a/drivers/gpu/drm/nouveau/nv98_crypt.c b/drivers/gpu/drm/nouveau/nv98_crypt.c index db94ff0a9fa..e25e13fb894 100644 --- a/drivers/gpu/drm/nouveau/nv98_crypt.c +++ b/drivers/gpu/drm/nouveau/nv98_crypt.c @@ -23,21 +23,93 @@ */ #include "drmP.h" + #include "nouveau_drv.h" #include "nouveau_util.h" #include "nouveau_vm.h" #include "nouveau_ramht.h" -struct nv98_crypt_engine { +#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_fini(struct drm_device *dev, int engine, bool suspend) +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) { - if (!(nv_rd32(dev, 0x000200) & 0x00004000)) - return 0; + 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; } @@ -45,34 +117,100 @@ nv98_crypt_fini(struct drm_device *dev, int engine, bool suspend) 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_engine *pcrypt = nv_engine(dev, engine); + struct nv98_crypt_priv *priv = nv_engine(dev, engine); + nouveau_irq_unregister(dev, 14); NVOBJ_ENGINE_DEL(dev, CRYPT); - - kfree(pcrypt); + kfree(priv); } int nv98_crypt_create(struct drm_device *dev) { - struct nv98_crypt_engine *pcrypt; + struct nv98_crypt_priv *priv; - pcrypt = kzalloc(sizeof(*pcrypt), GFP_KERNEL); - if (!pcrypt) + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) return -ENOMEM; - pcrypt->base.destroy = nv98_crypt_destroy; - pcrypt->base.init = nv98_crypt_init; - pcrypt->base.fini = nv98_crypt_fini; + 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, &pcrypt->base); + NVOBJ_ENGINE_ADD(dev, CRYPT, &priv->base); + NVOBJ_CLASS(dev, 0x88b4, CRYPT); return 0; } |