1 files changed, 34 insertions, 118 deletions

diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c
index 2ef774731629..1864fa98e6b1 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c
+++ b/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;
@@ -95,119 +90,40 @@ nv50_gpio_sense(struct nouveau_gpio *gpio, int line)
 	return !!(nv_rd32(gpio, reg) & (4 << shift));
 }
 
-void
-nv50_gpio_intr(struct nouveau_subdev *subdev)
-{
-	struct nv50_gpio_priv *priv = (void *)subdev;
-	u32 intr0, intr1 = 0;
-	u32 hi, lo;
-	int i;
-
-	intr0 = nv_rd32(priv, 0xe054) & nv_rd32(priv, 0xe050);
-	if (nv_device(priv)->chipset > 0x92)
-		intr1 = nv_rd32(priv, 0xe074) & nv_rd32(priv, 0xe070);
-
-	hi = (intr0 & 0x0000ffff) | (intr1 << 16);
-	lo = (intr0 >> 16) | (intr1 & 0xffff0000);
-
-	for (i = 0; (hi | lo) && i < 32; i++) {
-		if ((hi | lo) & (1 << i))
-			nouveau_event_trigger(priv->base.events, i);
-	}
-
-	nv_wr32(priv, 0xe054, intr0);
-	if (nv_device(priv)->chipset > 0x92)
-		nv_wr32(priv, 0xe074, intr1);
-}
-
-void
-nv50_gpio_intr_enable(struct nouveau_event *event, int line)
-{
-	const u32 addr = line < 16 ? 0xe050 : 0xe070;
-	const u32 mask = 0x00010001 << (line & 0xf);
-	nv_wr32(event->priv, addr + 0x04, mask);
-	nv_mask(event->priv, addr + 0x00, mask, mask);
-}
-
-void
-nv50_gpio_intr_disable(struct nouveau_event *event, int line)
-{
-	const u32 addr = line < 16 ? 0xe050 : 0xe070;
-	const u32 mask = 0x00010001 << (line & 0xf);
-	nv_wr32(event->priv, addr + 0x04, mask);
-	nv_mask(event->priv, addr + 0x00, mask, 0x00000000);
-}
-
-static 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,
-				  nv_device(parent)->chipset > 0x92 ? 32 : 16,
-				  &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;
-	priv->base.events->priv = priv;
-	priv->base.events->enable = nv50_gpio_intr_enable;
-	priv->base.events->disable = nv50_gpio_intr_disable;
-	nv_subdev(priv)->intr = nv50_gpio_intr;
-	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)
+static void
+nv50_gpio_intr_stat(struct nouveau_gpio *gpio, u32 *hi, u32 *lo)
 {
-	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;
+	u32 intr = nv_rd32(gpio, 0x00e054);
+	u32 stat = nv_rd32(gpio, 0x00e050) & intr;
+	*lo = (stat & 0xffff0000) >> 16;
+	*hi = (stat & 0x0000ffff);
+	nv_wr32(gpio, 0x00e054, intr);
 }
 
-int
-nv50_gpio_fini(struct nouveau_object *object, bool suspend)
+static void
+nv50_gpio_intr_mask(struct nouveau_gpio *gpio, u32 type, u32 mask, u32 data)
 {
-	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);
+	u32 inte = nv_rd32(gpio, 0x00e050);
+	if (type & NVKM_GPIO_LO)
+		inte = (inte & ~(mask << 16)) | (data << 16);
+	if (type & NVKM_GPIO_HI)
+		inte = (inte & ~mask) | data;
+	nv_wr32(gpio, 0x00e050, inte);
 }
 
-struct nouveau_oclass
-nv50_gpio_oclass = {
-	.handle = NV_SUBDEV(GPIO, 0x50),
-	.ofuncs = &(struct nouveau_ofuncs) {
-		.ctor = nv50_gpio_ctor,
-		.dtor = nv50_gpio_dtor,
-		.init = nv50_gpio_init,
-		.fini = nv50_gpio_fini,
+struct nouveau_oclass *
+nv50_gpio_oclass = &(struct nouveau_gpio_impl) {
+	.base.handle = NV_SUBDEV(GPIO, 0x50),
+	.base.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = _nouveau_gpio_ctor,
+		.dtor = _nouveau_gpio_dtor,
+		.init = _nouveau_gpio_init,
+		.fini = _nouveau_gpio_fini,
 	},
-};
+	.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;