diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c | 255 |
1 files changed, 120 insertions, 135 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c b/drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c index c9adc1b8a7db..559a1b1d7082 100644 --- a/drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c +++ b/drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c @@ -1,5 +1,5 @@ /* - * Copyright 2011 Red Hat Inc. + * Copyright 2012 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"), @@ -22,124 +22,74 @@ * Authors: Ben Skeggs */ -#include "drmP.h" +#include <core/os.h> +#include <core/enum.h> +#include <core/class.h> +#include <core/engctx.h> -#include "nouveau_drv.h" -#include "nouveau_util.h" -#include <core/ramht.h> +#include <subdev/timer.h> +#include <subdev/fb.h> + +#include <engine/crypt.h> #include "fuc/nv98.fuc.h" struct nv98_crypt_priv { - struct nouveau_exec_engine base; + struct nouveau_crypt base; }; struct nv98_crypt_chan { - struct nouveau_gpuobj *mem; + struct nouveau_crypt_chan base; }; -static int -nv98_crypt_context_new(struct nouveau_channel *chan, int engine) -{ - struct drm_device *dev = chan->dev; - 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; - - nvvm_engref(chan->vm, engine, 1); - - 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->addr + cctx->mem->size - 1); - nv_wo32(chan->ramin, 0xa8, cctx->mem->addr); - nv_wo32(chan->ramin, 0xac, 0x00000000); - nv_wo32(chan->ramin, 0xb0, 0x00000000); - nv_wo32(chan->ramin, 0xb4, 0x00000000); - nvimem_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); +/******************************************************************************* + * Crypt object classes + ******************************************************************************/ - nouveau_gpuobj_ref(NULL, &cctx->mem); +static struct nouveau_oclass +nv98_crypt_sclass[] = { + { 0x88b4, &nouveau_object_ofuncs }, + {}, +}; - nvvm_engref(chan->vm, engine, -1); - chan->engctx[engine] = NULL; - kfree(cctx); -} +/******************************************************************************* + * PCRYPT context + ******************************************************************************/ static int -nv98_crypt_object_new(struct nouveau_channel *chan, int engine, - u32 handle, u16 class) +nv98_crypt_context_ctor(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) { - 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); -} + struct nv98_crypt_chan *priv; + int ret; -static void -nv98_crypt_tlb_flush(struct drm_device *dev, int engine) -{ - nv50_vm_flush_engine(dev, 0x0a); -} + ret = nouveau_crypt_context_create(parent, engine, oclass, NULL, 256, + 256, NVOBJ_FLAG_ZERO_ALLOC, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; -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]); +static struct nouveau_oclass +nv98_crypt_cclass = { + .handle = NV_ENGCTX(CRYPT, 0x98), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv98_crypt_context_ctor, + .dtor = _nouveau_crypt_context_dtor, + .init = _nouveau_crypt_context_init, + .fini = _nouveau_crypt_context_fini, + .rd32 = _nouveau_crypt_context_rd32, + .wr32 = _nouveau_crypt_context_wr32, + }, +}; - /* start it running */ - nv_wr32(dev, 0x08710c, 0x00000000); - nv_wr32(dev, 0x087104, 0x00000000); /* ENTRY */ - nv_wr32(dev, 0x087100, 0x00000002); /* TRIGGER */ - return 0; -} +/******************************************************************************* + * PCRYPT engine/subdev functions + ******************************************************************************/ static struct nouveau_enum nv98_crypt_isr_error_name[] = { { 0x0000, "ILLEGAL_MTHD" }, @@ -150,65 +100,100 @@ static struct nouveau_enum nv98_crypt_isr_error_name[] = { }; static void -nv98_crypt_isr(struct drm_device *dev) +nv98_crypt_intr(struct nouveau_subdev *subdev) { - 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; + struct nv98_crypt_priv *priv = (void *)subdev; + u32 disp = nv_rd32(priv, 0x08701c); + u32 stat = nv_rd32(priv, 0x087008) & disp & ~(disp >> 16); + u32 inst = nv_rd32(priv, 0x087050) & 0x3fffffff; + u32 ssta = nv_rd32(priv, 0x087040) & 0x0000ffff; + u32 addr = nv_rd32(priv, 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); + u32 data = nv_rd32(priv, 0x087044); if (stat & 0x00000040) { - NV_INFO(dev, "PCRYPT: DISPATCH_ERROR ["); + nv_error(priv, "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); + printk("] ch 0x%08x subc %d mthd 0x%04x data 0x%08x\n", + inst, subc, mthd, data); + nv_wr32(priv, 0x087004, 0x00000040); stat &= ~0x00000040; } if (stat) { - NV_INFO(dev, "PCRYPT: unhandled intr 0x%08x\n", stat); - nv_wr32(dev, 0x087004, stat); + nv_error(priv, "unhandled intr 0x%08x\n", stat); + nv_wr32(priv, 0x087004, stat); } - nv50_fb_vm_trap(dev, 1); + nv50_fb_trap(nouveau_fb(priv), 1); } -static void -nv98_crypt_destroy(struct drm_device *dev, int engine) +static int +nv98_crypt_tlb_flush(struct nouveau_engine *engine) { - struct nv98_crypt_priv *priv = nv_engine(dev, engine); - - nouveau_irq_unregister(dev, 14); - NVOBJ_ENGINE_DEL(dev, CRYPT); - kfree(priv); + nv50_vm_flush_engine(&engine->base, 0x0a); + return 0; } -int -nv98_crypt_create(struct drm_device *dev) +static int +nv98_crypt_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) { struct nv98_crypt_priv *priv; + int ret; + + ret = nouveau_crypt_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00004000; + nv_subdev(priv)->intr = nv98_crypt_intr; + nv_engine(priv)->cclass = &nv98_crypt_cclass; + nv_engine(priv)->sclass = nv98_crypt_sclass; + nv_engine(priv)->tlb_flush = nv98_crypt_tlb_flush; + return 0; +} + +static int +nv98_crypt_init(struct nouveau_object *object) +{ + struct nv98_crypt_priv *priv = (void *)object; + int ret, i; + + ret = nouveau_crypt_init(&priv->base); + if (ret) + return ret; - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; + /* wait for exit interrupt to signal */ + nv_wait(priv, 0x087008, 0x00000010, 0x00000010); + nv_wr32(priv, 0x087004, 0x00000010); - 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; + /* upload microcode code and data segments */ + nv_wr32(priv, 0x087ff8, 0x00100000); + for (i = 0; i < ARRAY_SIZE(nv98_pcrypt_code); i++) + nv_wr32(priv, 0x087ff4, nv98_pcrypt_code[i]); - nouveau_irq_register(dev, 14, nv98_crypt_isr); + nv_wr32(priv, 0x087ff8, 0x00000000); + for (i = 0; i < ARRAY_SIZE(nv98_pcrypt_data); i++) + nv_wr32(priv, 0x087ff4, nv98_pcrypt_data[i]); - NVOBJ_ENGINE_ADD(dev, CRYPT, &priv->base); - NVOBJ_CLASS(dev, 0x88b4, CRYPT); + /* start it running */ + nv_wr32(priv, 0x08710c, 0x00000000); + nv_wr32(priv, 0x087104, 0x00000000); /* ENTRY */ + nv_wr32(priv, 0x087100, 0x00000002); /* TRIGGER */ return 0; } + +struct nouveau_oclass +nv98_crypt_oclass = { + .handle = NV_ENGINE(CRYPT, 0x98), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv98_crypt_ctor, + .dtor = _nouveau_crypt_dtor, + .init = nv98_crypt_init, + .fini = _nouveau_crypt_fini, + }, +}; |