drm/nouveau/gpio: use base constructor for all implementations

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

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

@@ -13,12 +13,7 @@ struct nouveau_gpio {
 
 	struct nouveau_event *events;
 
-	/* hardware interfaces */
 	void (*reset)(struct nouveau_gpio *, u8 func);
-	int  (*drive)(struct nouveau_gpio *, int line, int dir, int out);
-	int  (*sense)(struct nouveau_gpio *, int line);
-
-	/* software interfaces */
 	int  (*find)(struct nouveau_gpio *, int idx, u8 tag, u8 line,
 		     struct dcb_gpio_func *);
 	int  (*set)(struct nouveau_gpio *, int idx, u8 tag, u8 line, int state);

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

@@ -31,13 +31,15 @@ static int
 nouveau_gpio_drive(struct nouveau_gpio *gpio,
 		   int idx, int line, int dir, int out)
 {
-	return gpio->drive ? gpio->drive(gpio, line, dir, out) : -ENODEV;
+	const struct nouveau_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
+	return impl->drive ? impl->drive(gpio, line, dir, out) : -ENODEV;
 }
 
 static int
 nouveau_gpio_sense(struct nouveau_gpio *gpio, int idx, int line)
 {
-	return gpio->sense ? gpio->sense(gpio, line) : -ENODEV;
+	const struct nouveau_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
+	return impl->sense ? impl->sense(gpio, line) : -ENODEV;
 }
 
 static int
@@ -201,6 +203,7 @@ nouveau_gpio_create_(struct nouveau_object *parent,
 	gpio->find = nouveau_gpio_find;
 	gpio->set  = nouveau_gpio_set;
 	gpio->get  = nouveau_gpio_get;
+	gpio->reset = impl->reset;
 
 	ret = nouveau_event_create(1, impl->lines, &gpio->events);
 	if (ret)

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

@@ -26,10 +26,6 @@
 
 #include "priv.h"
 
-struct nv10_gpio_priv {
-	struct nouveau_gpio base;
-};
-
 static int
 nv10_gpio_sense(struct nouveau_gpio *gpio, int line)
 {
@@ -103,29 +99,11 @@ nv10_gpio_intr_mask(struct nouveau_gpio *gpio, u32 type, u32 mask, u32 data)
 	nv_wr32(gpio, 0x001144, inte);
 }
 
-static int
-nv10_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
-	       struct nouveau_oclass *oclass, void *data, u32 size,
-	       struct nouveau_object **pobject)
-{
-	struct nv10_gpio_priv *priv;
-	int ret;
-
-	ret = nouveau_gpio_create(parent, engine, oclass, &priv);
-	*pobject = nv_object(priv);
-	if (ret)
-		return ret;
-
-	priv->base.drive = nv10_gpio_drive;
-	priv->base.sense = nv10_gpio_sense;
-	return 0;
-}
-
 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,
+		.ctor = _nouveau_gpio_ctor,
 		.dtor = _nouveau_gpio_dtor,
 		.init = _nouveau_gpio_init,
 		.fini = _nouveau_gpio_fini,
@@ -133,4 +111,6 @@ nv10_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.lines = 16,
 	.intr_stat = nv10_gpio_intr_stat,
 	.intr_mask = nv10_gpio_intr_mask,
+	.drive = nv10_gpio_drive,
+	.sense = nv10_gpio_sense,
 }.base;

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

@@ -24,15 +24,10 @@
 
 #include "priv.h"
 
-struct nv50_gpio_priv {
-	struct nouveau_gpio base;
-};
-
-static void
+void
 nv50_gpio_reset(struct nouveau_gpio *gpio, u8 match)
 {
 	struct nouveau_bios *bios = nouveau_bios(gpio);
-	struct nv50_gpio_priv *priv = (void *)gpio;
 	u8 ver, len;
 	u16 entry;
 	int ent = -1;
@@ -55,7 +50,7 @@ nv50_gpio_reset(struct nouveau_gpio *gpio, u8 match)
 
 		gpio->set(gpio, 0, func, line, defs);
 
-		nv_mask(priv, reg, 0x00010001 << lsh, val << lsh);
+		nv_mask(gpio, reg, 0x00010001 << lsh, val << lsh);
 	}
 }
 
@@ -72,7 +67,7 @@ nv50_gpio_location(int line, u32 *reg, u32 *shift)
 	return 0;
 }
 
-static int
+int
 nv50_gpio_drive(struct nouveau_gpio *gpio, int line, int dir, int out)
 {
 	u32 reg, shift;
@@ -84,7 +79,7 @@ nv50_gpio_drive(struct nouveau_gpio *gpio, int line, int dir, int out)
 	return 0;
 }
 
-static int
+int
 nv50_gpio_sense(struct nouveau_gpio *gpio, int line)
 {
 	u32 reg, shift;
@@ -116,30 +111,11 @@ nv50_gpio_intr_mask(struct nouveau_gpio *gpio, u32 type, u32 mask, u32 data)
 	nv_wr32(gpio, 0x00e050, inte);
 }
 
-int
-nv50_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
-	       struct nouveau_oclass *oclass, void *data, u32 size,
-	       struct nouveau_object **pobject)
-{
-	struct nv50_gpio_priv *priv;
-	int ret;
-
-	ret = nouveau_gpio_create(parent, engine, oclass, &priv);
-	*pobject = nv_object(priv);
-	if (ret)
-		return ret;
-
-	priv->base.reset = nv50_gpio_reset;
-	priv->base.drive = nv50_gpio_drive;
-	priv->base.sense = nv50_gpio_sense;
-	return 0;
-}
-
 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,
+		.ctor = _nouveau_gpio_ctor,
 		.dtor = _nouveau_gpio_dtor,
 		.init = _nouveau_gpio_init,
 		.fini = _nouveau_gpio_fini,
@@ -147,4 +123,7 @@ nv50_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.lines = 16,
 	.intr_stat = nv50_gpio_intr_stat,
 	.intr_mask = nv50_gpio_intr_mask,
+	.drive = nv50_gpio_drive,
+	.sense = nv50_gpio_sense,
+	.reset = nv50_gpio_reset,
 }.base;

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

@@ -60,7 +60,7 @@ struct nouveau_oclass *
 nv92_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.base.handle = NV_SUBDEV(GPIO, 0x92),
 	.base.ofuncs = &(struct nouveau_ofuncs) {
-		.ctor = nv50_gpio_ctor,
+		.ctor = _nouveau_gpio_ctor,
 		.dtor = _nouveau_gpio_dtor,
 		.init = _nouveau_gpio_init,
 		.fini = _nouveau_gpio_fini,
@@ -68,4 +68,7 @@ nv92_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.lines = 32,
 	.intr_stat = nv92_gpio_intr_stat,
 	.intr_mask = nv92_gpio_intr_mask,
+	.drive = nv50_gpio_drive,
+	.sense = nv50_gpio_sense,
+	.reset = nv50_gpio_reset,
 }.base;

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

@@ -24,15 +24,10 @@
 
 #include "priv.h"
 
-struct nvd0_gpio_priv {
-	struct nouveau_gpio base;
-};
-
 void
 nvd0_gpio_reset(struct nouveau_gpio *gpio, u8 match)
 {
 	struct nouveau_bios *bios = nouveau_bios(gpio);
-	struct nvd0_gpio_priv *priv = (void *)gpio;
 	u8 ver, len;
 	u16 entry;
 	int ent = -1;
@@ -51,9 +46,9 @@ nvd0_gpio_reset(struct nouveau_gpio *gpio, u8 match)
 
 		gpio->set(gpio, 0, func, line, defs);
 
-		nv_mask(priv, 0x00d610 + (line * 4), 0xff, unk0);
+		nv_mask(gpio, 0x00d610 + (line * 4), 0xff, unk0);
 		if (unk1--)
-			nv_mask(priv, 0x00d740 + (unk1 * 4), 0xff, line);
+			nv_mask(gpio, 0x00d740 + (unk1 * 4), 0xff, line);
 	}
 }
 
@@ -72,30 +67,11 @@ nvd0_gpio_sense(struct nouveau_gpio *gpio, int line)
 	return !!(nv_rd32(gpio, 0x00d610 + (line * 4)) & 0x00004000);
 }
 
-static int
-nvd0_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
-	       struct nouveau_oclass *oclass, void *data, u32 size,
-	       struct nouveau_object **pobject)
-{
-	struct nvd0_gpio_priv *priv;
-	int ret;
-
-	ret = nouveau_gpio_create(parent, engine, oclass, &priv);
-	*pobject = nv_object(priv);
-	if (ret)
-		return ret;
-
-	priv->base.reset = nvd0_gpio_reset;
-	priv->base.drive = nvd0_gpio_drive;
-	priv->base.sense = nvd0_gpio_sense;
-	return 0;
-}
-
 struct nouveau_oclass *
 nvd0_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.base.handle = NV_SUBDEV(GPIO, 0xd0),
 	.base.ofuncs = &(struct nouveau_ofuncs) {
-		.ctor = nvd0_gpio_ctor,
+		.ctor = _nouveau_gpio_ctor,
 		.dtor = _nouveau_gpio_dtor,
 		.init = _nouveau_gpio_init,
 		.fini = _nouveau_gpio_fini,
@@ -103,4 +79,7 @@ nvd0_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.lines = 32,
 	.intr_stat = nv92_gpio_intr_stat,
 	.intr_mask = nv92_gpio_intr_mask,
+	.drive = nvd0_gpio_drive,
+	.sense = nvd0_gpio_sense,
+	.reset = nvd0_gpio_reset,
 }.base;

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

@@ -24,10 +24,6 @@
 
 #include "priv.h"
 
-struct nve0_gpio_priv {
-	struct nouveau_gpio base;
-};
-
 static void
 nve0_gpio_intr_stat(struct nouveau_gpio *gpio, u32 *hi, u32 *lo)
 {
@@ -60,30 +56,11 @@ nve0_gpio_intr_mask(struct nouveau_gpio *gpio, u32 type, u32 mask, u32 data)
 	nv_wr32(gpio, 0x00dc88, inte1);
 }
 
-static int
-nve0_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
-	       struct nouveau_oclass *oclass, void *data, u32 size,
-	       struct nouveau_object **pobject)
-{
-	struct nve0_gpio_priv *priv;
-	int ret;
-
-	ret = nouveau_gpio_create(parent, engine, oclass, &priv);
-	*pobject = nv_object(priv);
-	if (ret)
-		return ret;
-
-	priv->base.reset = nvd0_gpio_reset;
-	priv->base.drive = nvd0_gpio_drive;
-	priv->base.sense = nvd0_gpio_sense;
-	return 0;
-}
-
 struct nouveau_oclass *
 nve0_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.base.handle = NV_SUBDEV(GPIO, 0xe0),
 	.base.ofuncs = &(struct nouveau_ofuncs) {
-		.ctor = nve0_gpio_ctor,
+		.ctor = _nouveau_gpio_ctor,
 		.dtor = _nouveau_gpio_dtor,
 		.init = _nouveau_gpio_init,
 		.fini = _nouveau_gpio_fini,
@@ -91,4 +68,7 @@ nve0_gpio_oclass = &(struct nouveau_gpio_impl) {
 	.lines = 32,
 	.intr_stat = nve0_gpio_intr_stat,
 	.intr_mask = nve0_gpio_intr_mask,
+	.drive = nvd0_gpio_drive,
+	.sense = nvd0_gpio_sense,
+	.reset = nvd0_gpio_reset,
 }.base;

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

@@ -27,14 +27,6 @@ void _nouveau_gpio_dtor(struct nouveau_object *);
 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 nvd0_gpio_reset(struct nouveau_gpio *, u8);
-int  nvd0_gpio_drive(struct nouveau_gpio *, int, int, int);
-int  nvd0_gpio_sense(struct nouveau_gpio *, int);
-
 enum nvkm_gpio_event {
 	NVKM_GPIO_HI = 1,
 	NVKM_GPIO_LO = 2,
@@ -55,10 +47,27 @@ struct nouveau_gpio_impl {
 	 * given set of gpio lines
 	 */
 	void (*intr_mask)(struct nouveau_gpio *, u32, u32, u32);
+
+	/* configure gpio direction and output value */
+	int  (*drive)(struct nouveau_gpio *, int line, int dir, int out);
+
+	/* sense current state of given gpio line */
+	int  (*sense)(struct nouveau_gpio *, int line);
+
+	/*XXX*/
+	void (*reset)(struct nouveau_gpio *, u8);
 };
 
+void nv50_gpio_reset(struct nouveau_gpio *, u8);
+int  nv50_gpio_drive(struct nouveau_gpio *, int, int, int);
+int  nv50_gpio_sense(struct nouveau_gpio *, int);
+
 void nv92_gpio_intr_stat(struct nouveau_gpio *, u32 *, u32 *);
 void nv92_gpio_intr_mask(struct nouveau_gpio *, u32, u32, u32);
 
+void nvd0_gpio_reset(struct nouveau_gpio *, u8);
+int  nvd0_gpio_drive(struct nouveau_gpio *, int, int, int);
+int  nvd0_gpio_sense(struct nouveau_gpio *, int);
+
 
 #endif