5 files changed, 67 insertions, 129 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c
index b7b7193bbce7..f4144979a79c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c
@@ -21,31 +21,34 @@
  *
  * Authors: Martin Peres
  */
-#include <subdev/fuse.h>
+#include "priv.h"
 
-int
-_nvkm_fuse_init(struct nvkm_object *object)
+u32
+nvkm_fuse_read(struct nvkm_fuse *fuse, u32 addr)
 {
-	struct nvkm_fuse *fuse = (void *)object;
-	return nvkm_subdev_init(&fuse->base);
+	return fuse->func->read(fuse, addr);
 }
 
-void
-_nvkm_fuse_dtor(struct nvkm_object *object)
+static void *
+nvkm_fuse_dtor(struct nvkm_subdev *subdev)
 {
-	struct nvkm_fuse *fuse = (void *)object;
-	nvkm_subdev_destroy(&fuse->base);
+	return nvkm_fuse(subdev);
 }
 
+static const struct nvkm_subdev_func
+nvkm_fuse = {
+	.dtor = nvkm_fuse_dtor,
+};
+
 int
-nvkm_fuse_create_(struct nvkm_object *parent, struct nvkm_object *engine,
-		  struct nvkm_oclass *oclass, int length, void **pobject)
+nvkm_fuse_new_(const struct nvkm_fuse_func *func, struct nvkm_device *device,
+	       int index, struct nvkm_fuse **pfuse)
 {
 	struct nvkm_fuse *fuse;
-	int ret;
-
-	ret = nvkm_subdev_create_(parent, engine, oclass, 0, "FUSE",
-				  "fuse", length, pobject);
-	fuse = *pobject;
-	return ret;
+	if (!(fuse = *pfuse = kzalloc(sizeof(*fuse), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_subdev_ctor(&nvkm_fuse, device, index, 0, &fuse->subdev);
+	fuse->func = func;
+	spin_lock_init(&fuse->lock);
+	return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c
index 393ef3a0faaf..13671fedc805 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,
-	},
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c
index 0b256aa4960f..9aff4ea04506 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c
@@ -23,40 +23,20 @@
  */
 #include "priv.h"
 
-struct gm107_fuse_priv {
-	struct nvkm_fuse base;
-};
-
 static u32
-gm107_fuse_rd32(struct nvkm_object *object, u64 addr)
+gm107_fuse_read(struct nvkm_fuse *fuse, u32 addr)
 {
-	struct gf100_fuse_priv *priv = (void *)object;
-	return nv_rd32(priv, 0x21100 + addr);
+	struct nvkm_device *device = fuse->subdev.device;
+	return nvkm_rd32(device, 0x021100 + addr);
 }
 
+static const struct nvkm_fuse_func
+gm107_fuse = {
+	.read = gm107_fuse_read,
+};
 
-static int
-gm107_fuse_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+int
+gm107_fuse_new(struct nvkm_device *device, int index, struct nvkm_fuse **pfuse)
 {
-	struct gm107_fuse_priv *priv;
-	int ret;
-
-	ret = nvkm_fuse_create(parent, engine, oclass, &priv);
-	*pobject = nv_object(priv);
-
-	return ret;
+	return nvkm_fuse_new_(&gm107_fuse, device, index, pfuse);
 }
-
-struct nvkm_oclass
-gm107_fuse_oclass = {
-	.handle = NV_SUBDEV(FUSE, 0x117),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gm107_fuse_ctor,
-		.dtor = _nvkm_fuse_dtor,
-		.init = _nvkm_fuse_init,
-		.fini = _nvkm_fuse_fini,
-		.rd32 = gm107_fuse_rd32,
-	},
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c
index 0d2afc426100..514c193db25d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c
@@ -23,54 +23,29 @@
  */
 #include "priv.h"
 
-struct nv50_fuse_priv {
-	struct nvkm_fuse base;
-
-	spinlock_t fuse_enable_lock;
-};
-
 static u32
-nv50_fuse_rd32(struct nvkm_object *object, u64 addr)
+nv50_fuse_read(struct nvkm_fuse *fuse, u32 addr)
 {
-	struct nv50_fuse_priv *priv = (void *)object;
+	struct nvkm_device *device = fuse->subdev.device;
 	unsigned long flags;
 	u32 fuse_enable, val;
 
 	/* racy if another part of nvkm start writing to this reg */
-	spin_lock_irqsave(&priv->fuse_enable_lock, flags);
-	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);
+	spin_lock_irqsave(&fuse->lock, flags);
+	fuse_enable = nvkm_mask(device, 0x001084, 0x800, 0x800);
+	val = nvkm_rd32(device, 0x021000 + addr);
+	nvkm_wr32(device, 0x001084, fuse_enable);
+	spin_unlock_irqrestore(&fuse->lock, flags);
 	return val;
 }
 
+static const struct nvkm_fuse_func
+nv50_fuse = {
+	.read = &nv50_fuse_read,
+};
 
-static int
-nv50_fuse_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
+int
+nv50_fuse_new(struct nvkm_device *device, int index, struct nvkm_fuse **pfuse)
 {
-	struct nv50_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_(&nv50_fuse, device, index, pfuse);
 }
-
-struct nvkm_oclass
-nv50_fuse_oclass = {
-	.handle = NV_SUBDEV(FUSE, 0x50),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv50_fuse_ctor,
-		.dtor = _nvkm_fuse_dtor,
-		.init = _nvkm_fuse_init,
-		.fini = _nvkm_fuse_fini,
-		.rd32 = nv50_fuse_rd32,
-	},
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h
index 7e050f789384..b0390b540ef5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h
@@ -1,7 +1,12 @@
 #ifndef __NVKM_FUSE_PRIV_H__
 #define __NVKM_FUSE_PRIV_H__
+#define nvkm_fuse(p) container_of((p), struct nvkm_fuse, subdev)
 #include <subdev/fuse.h>
 
-int _nvkm_fuse_init(struct nvkm_object *object);
-void _nvkm_fuse_dtor(struct nvkm_object *object);
+struct nvkm_fuse_func {
+	u32 (*read)(struct nvkm_fuse *, u32 addr);
+};
+
+int nvkm_fuse_new_(const struct nvkm_fuse_func *, struct nvkm_device *,
+		   int index, struct nvkm_fuse **);
 #endif