From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c | 57 +++++++----------------- 1 file changed, 16 insertions(+), 41 deletions(-) (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c index 393ef3a0f..13671fedc 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c @@ -23,56 +23,31 @@ */ #include "priv.h" -struct gf100_fuse_priv { - struct nvkm_fuse base; - - spinlock_t fuse_enable_lock; -}; - static u32 -gf100_fuse_rd32(struct nvkm_object *object, u64 addr) +gf100_fuse_read(struct nvkm_fuse *fuse, u32 addr) { - struct gf100_fuse_priv *priv = (void *)object; + struct nvkm_device *device = fuse->subdev.device; unsigned long flags; u32 fuse_enable, unk, val; /* racy if another part of nvkm start writing to these regs */ - spin_lock_irqsave(&priv->fuse_enable_lock, flags); - fuse_enable = nv_mask(priv, 0x22400, 0x800, 0x800); - unk = nv_mask(priv, 0x21000, 0x1, 0x1); - val = nv_rd32(priv, 0x21100 + addr); - nv_wr32(priv, 0x21000, unk); - nv_wr32(priv, 0x22400, fuse_enable); - spin_unlock_irqrestore(&priv->fuse_enable_lock, flags); + spin_lock_irqsave(&fuse->lock, flags); + fuse_enable = nvkm_mask(device, 0x022400, 0x800, 0x800); + unk = nvkm_mask(device, 0x021000, 0x1, 0x1); + val = nvkm_rd32(device, 0x021100 + addr); + nvkm_wr32(device, 0x021000, unk); + nvkm_wr32(device, 0x022400, fuse_enable); + spin_unlock_irqrestore(&fuse->lock, flags); return val; } +static const struct nvkm_fuse_func +gf100_fuse = { + .read = gf100_fuse_read, +}; -static int -gf100_fuse_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) +int +gf100_fuse_new(struct nvkm_device *device, int index, struct nvkm_fuse **pfuse) { - struct gf100_fuse_priv *priv; - int ret; - - ret = nvkm_fuse_create(parent, engine, oclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - spin_lock_init(&priv->fuse_enable_lock); - return 0; + return nvkm_fuse_new_(&gf100_fuse, device, index, pfuse); } - -struct nvkm_oclass -gf100_fuse_oclass = { - .handle = NV_SUBDEV(FUSE, 0xC0), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = gf100_fuse_ctor, - .dtor = _nvkm_fuse_dtor, - .init = _nvkm_fuse_init, - .fini = _nvkm_fuse_fini, - .rd32 = gf100_fuse_rd32, - }, -}; -- cgit v1.2.3-54-g00ecf