diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/fuse/g80.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fuse/g80.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fuse/g80.c b/drivers/gpu/drm/nouveau/core/subdev/fuse/g80.c deleted file mode 100644 index a374ade485be..000000000000 --- a/drivers/gpu/drm/nouveau/core/subdev/fuse/g80.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright 2014 Martin Peres - * - * 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: Martin Peres - */ - -#include "priv.h" - -struct g80_fuse_priv { - struct nouveau_fuse base; - - spinlock_t fuse_enable_lock; -}; - -static u32 -g80_fuse_rd32(struct nouveau_object *object, u64 addr) -{ - struct g80_fuse_priv *priv = (void *)object; - unsigned long flags; - u32 fuse_enable, val; - - spin_lock_irqsave(&priv->fuse_enable_lock, flags); - - /* racy if another part of nouveau start writing to this reg */ - fuse_enable = nv_mask(priv, 0x1084, 0x800, 0x800); - val = nv_rd32(priv, 0x21000 + addr); - nv_wr32(priv, 0x1084, fuse_enable); - - spin_unlock_irqrestore(&priv->fuse_enable_lock, flags); - - return val; -} - - -static int -g80_fuse_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct g80_fuse_priv *priv; - int ret; - - ret = nouveau_fuse_create(parent, engine, oclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - spin_lock_init(&priv->fuse_enable_lock); - - return 0; -} - -struct nouveau_oclass -g80_fuse_oclass = { - .handle = NV_SUBDEV(FUSE, 0x50), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = g80_fuse_ctor, - .dtor = _nouveau_fuse_dtor, - .init = _nouveau_fuse_init, - .fini = _nouveau_fuse_fini, - .rd32 = g80_fuse_rd32, - }, -}; |