drm/nouveau/gpio: move on-reset intr disable-and-ack to common code

Re-uses the implementation's accessor functions rather than requiring
and init/fini implementation for each chipset.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/core/subdev/gpio/base.c

@@ -134,6 +134,46 @@ nouveau_gpio_intr(struct nouveau_subdev *subdev)
 	}
 }
 
+int
+_nouveau_gpio_fini(struct nouveau_object *object, bool suspend)
+{
+	const struct nouveau_gpio_impl *impl = (void *)object->oclass;
+	struct nouveau_gpio *gpio = nouveau_gpio(object);
+	u32 mask = (1 << impl->lines) - 1;
+
+	impl->intr_mask(gpio, NVKM_GPIO_TOGGLED, mask, 0);
+	impl->intr_stat(gpio, &mask, &mask);
+
+	return nouveau_subdev_fini(&gpio->base, suspend);
+}
+
+static struct dmi_system_id gpio_reset_ids[] = {
+	{
+		.ident = "Apple Macbook 10,1",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro10,1"),
+		}
+	},
+	{ }
+};
+
+int
+_nouveau_gpio_init(struct nouveau_object *object)
+{
+	struct nouveau_gpio *gpio = nouveau_gpio(object);
+	int ret;
+
+	ret = nouveau_subdev_init(&gpio->base);
+	if (ret)
+		return ret;
+
+	if (gpio->reset && dmi_check_system(gpio_reset_ids))
+		gpio->reset(gpio, DCB_GPIO_UNUSED);
+
+	return ret;
+}
+
 void
 _nouveau_gpio_dtor(struct nouveau_object *object)
 {
@@ -173,24 +213,18 @@ nouveau_gpio_create_(struct nouveau_object *parent,
 	return 0;
 }
 
-static struct dmi_system_id gpio_reset_ids[] = {
-	{
-		.ident = "Apple Macbook 10,1",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro10,1"),
-		}
-	},
-	{ }
-};
-
 int
-nouveau_gpio_init(struct nouveau_gpio *gpio)
+_nouveau_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		   struct nouveau_oclass *oclass, void *data, u32 size,
+		   struct nouveau_object **pobject)
 {
-	int ret = nouveau_subdev_init(&gpio->base);
-	if (ret == 0 && gpio->reset) {
-		if (dmi_check_system(gpio_reset_ids))
-			gpio->reset(gpio, DCB_GPIO_UNUSED);
-	}
-	return ret;
+	struct nouveau_gpio *gpio;
+	int ret;
+
+	ret = nouveau_gpio_create(parent, engine, oclass, &gpio);
+	*pobject = nv_object(gpio);
+	if (ret)
+		return ret;
+
+	return 0;
 }

drivers/gpu/drm/nouveau/core/subdev/gpio/nv10.c

@@ -121,44 +121,14 @@ nv10_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 	return 0;
 }
 
-static void
-nv10_gpio_dtor(struct nouveau_object *object)
-{
-	struct nv10_gpio_priv *priv = (void *)object;
-	nouveau_gpio_destroy(&priv->base);
-}
-
-static int
-nv10_gpio_init(struct nouveau_object *object)
-{
-	struct nv10_gpio_priv *priv = (void *)object;
-	int ret;
-
-	ret = nouveau_gpio_init(&priv->base);
-	if (ret)
-		return ret;
-
-	nv_wr32(priv, 0x001144, 0x00000000);
-	nv_wr32(priv, 0x001104, 0xffffffff);
-	return 0;
-}
-
-static int
-nv10_gpio_fini(struct nouveau_object *object, bool suspend)
-{
-	struct nv10_gpio_priv *priv = (void *)object;
-	nv_wr32(priv, 0x001144, 0x00000000);
-	return nouveau_gpio_fini(&priv->base, suspend);
-}
-
 struct nouveau_oclass *
 nv10_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.base.handle = NV_SUBDEV(GPIO, 0x10),
 	.base.ofuncs = &(struct nouveau_ofuncs) {
 		.ctor = nv10_gpio_ctor,
-		.dtor = nv10_gpio_dtor,
-		.init = nv10_gpio_init,
-		.fini = nv10_gpio_fini,
+		.dtor = _nouveau_gpio_dtor,
+		.init = _nouveau_gpio_init,
+		.fini = _nouveau_gpio_fini,
 	},
 	.lines = 16,
 	.intr_stat = nv10_gpio_intr_stat,

drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c

@@ -135,52 +135,14 @@ nv50_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 	return 0;
 }
 
-void
-nv50_gpio_dtor(struct nouveau_object *object)
-{
-	struct nv50_gpio_priv *priv = (void *)object;
-	nouveau_gpio_destroy(&priv->base);
-}
-
-int
-nv50_gpio_init(struct nouveau_object *object)
-{
-	struct nv50_gpio_priv *priv = (void *)object;
-	int ret;
-
-	ret = nouveau_gpio_init(&priv->base);
-	if (ret)
-		return ret;
-
-	/* disable, and ack any pending gpio interrupts */
-	nv_wr32(priv, 0xe050, 0x00000000);
-	nv_wr32(priv, 0xe054, 0xffffffff);
-	if (nv_device(priv)->chipset > 0x92) {
-		nv_wr32(priv, 0xe070, 0x00000000);
-		nv_wr32(priv, 0xe074, 0xffffffff);
-	}
-
-	return 0;
-}
-
-int
-nv50_gpio_fini(struct nouveau_object *object, bool suspend)
-{
-	struct nv50_gpio_priv *priv = (void *)object;
-	nv_wr32(priv, 0xe050, 0x00000000);
-	if (nv_device(priv)->chipset > 0x92)
-		nv_wr32(priv, 0xe070, 0x00000000);
-	return nouveau_gpio_fini(&priv->base, suspend);
-}
-
 struct nouveau_oclass *
 nv50_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.base.handle = NV_SUBDEV(GPIO, 0x50),
 	.base.ofuncs = &(struct nouveau_ofuncs) {
 		.ctor = nv50_gpio_ctor,
-		.dtor = nv50_gpio_dtor,
-		.init = nv50_gpio_init,
-		.fini = nv50_gpio_fini,
+		.dtor = _nouveau_gpio_dtor,
+		.init = _nouveau_gpio_init,
+		.fini = _nouveau_gpio_fini,
 	},
 	.lines = 16,
 	.intr_stat = nv50_gpio_intr_stat,

drivers/gpu/drm/nouveau/core/subdev/gpio/nv92.c

@@ -61,9 +61,9 @@ nv92_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.base.handle = NV_SUBDEV(GPIO, 0x92),
 	.base.ofuncs = &(struct nouveau_ofuncs) {
 		.ctor = nv50_gpio_ctor,
-		.dtor = nv50_gpio_dtor,
-		.init = nv50_gpio_init,
-		.fini = nv50_gpio_fini,
+		.dtor = _nouveau_gpio_dtor,
+		.init = _nouveau_gpio_init,
+		.fini = _nouveau_gpio_fini,
 	},
 	.lines = 32,
 	.intr_stat = nv92_gpio_intr_stat,

drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c

@@ -96,9 +96,9 @@ nvd0_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.base.handle = NV_SUBDEV(GPIO, 0xd0),
 	.base.ofuncs = &(struct nouveau_ofuncs) {
 		.ctor = nvd0_gpio_ctor,
-		.dtor = nv50_gpio_dtor,
-		.init = nv50_gpio_init,
-		.fini = nv50_gpio_fini,
+		.dtor = _nouveau_gpio_dtor,
+		.init = _nouveau_gpio_init,
+		.fini = _nouveau_gpio_fini,
 	},
 	.lines = 32,
 	.intr_stat = nv92_gpio_intr_stat,

drivers/gpu/drm/nouveau/core/subdev/gpio/nve0.c

@@ -60,37 +60,6 @@ nve0_gpio_intr_mask(struct nouveau_gpio *gpio, u32 type, u32 mask, u32 data)
 	nv_wr32(gpio, 0x00dc88, inte1);
 }
 
-int
-nve0_gpio_fini(struct nouveau_object *object, bool suspend)
-{
-	struct nve0_gpio_priv *priv = (void *)object;
-	nv_wr32(priv, 0xdc08, 0x00000000);
-	nv_wr32(priv, 0xdc88, 0x00000000);
-	return nouveau_gpio_fini(&priv->base, suspend);
-}
-
-int
-nve0_gpio_init(struct nouveau_object *object)
-{
-	struct nve0_gpio_priv *priv = (void *)object;
-	int ret;
-
-	ret = nouveau_gpio_init(&priv->base);
-	if (ret)
-		return ret;
-
-	nv_wr32(priv, 0xdc00, 0xffffffff);
-	nv_wr32(priv, 0xdc80, 0xffffffff);
-	return 0;
-}
-
-void
-nve0_gpio_dtor(struct nouveau_object *object)
-{
-	struct nve0_gpio_priv *priv = (void *)object;
-	nouveau_gpio_destroy(&priv->base);
-}
-
 static int
 nve0_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 	       struct nouveau_oclass *oclass, void *data, u32 size,
@@ -115,9 +84,9 @@ nve0_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.base.handle = NV_SUBDEV(GPIO, 0xe0),
 	.base.ofuncs = &(struct nouveau_ofuncs) {
 		.ctor = nve0_gpio_ctor,
-		.dtor = nv50_gpio_dtor,
-		.init = nve0_gpio_init,
-		.fini = nve0_gpio_fini,
+		.dtor = _nouveau_gpio_dtor,
+		.init = _nouveau_gpio_init,
+		.fini = _nouveau_gpio_fini,
 	},
 	.lines = 32,
 	.intr_stat = nve0_gpio_intr_stat,

drivers/gpu/drm/nouveau/core/subdev/gpio/priv.h

@@ -9,20 +9,27 @@
 	struct nouveau_gpio *gpio = (p);                                       \
 	_nouveau_gpio_dtor(nv_object(gpio));                                   \
 })
-#define nouveau_gpio_fini(p,s)                                                 \
-	nouveau_subdev_fini(&(p)->base, (s))
+#define nouveau_gpio_init(p) ({                                                \
+	struct nouveau_gpio *gpio = (p);                                       \
+	_nouveau_gpio_init(nv_object(gpio));                                   \
+})
+#define nouveau_gpio_fini(p,s) ({                                              \
+	struct nouveau_gpio *gpio = (p);                                       \
+	_nouveau_gpio_fini(nv_object(gpio), (s));                              \
+})
 
 int  nouveau_gpio_create_(struct nouveau_object *, struct nouveau_object *,
 			  struct nouveau_oclass *, int, void **);
+int  _nouveau_gpio_ctor(struct nouveau_object *, struct nouveau_object *,
+			struct nouveau_oclass *, void *, u32,
+			struct nouveau_object **);
 void _nouveau_gpio_dtor(struct nouveau_object *);
-int  nouveau_gpio_init(struct nouveau_gpio *);
+int  _nouveau_gpio_init(struct nouveau_object *);
+int  _nouveau_gpio_fini(struct nouveau_object *, bool);
 
 int  nv50_gpio_ctor(struct nouveau_object *, struct nouveau_object *,
 		    struct nouveau_oclass *, void *, u32,
 		    struct nouveau_object **);
-void nv50_gpio_dtor(struct nouveau_object *);
-int  nv50_gpio_init(struct nouveau_object *);
-int  nv50_gpio_fini(struct nouveau_object *, bool);
 
 void nvd0_gpio_reset(struct nouveau_gpio *, u8);
 int  nvd0_gpio_drive(struct nouveau_gpio *, int, int, int);