1 files changed, 59 insertions, 69 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c
index 39f15803f2d4..4752dbd33923 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c
@@ -21,49 +21,45 @@
  *
  * Authors: Ben Skeggs
  */
-#include <subdev/volt.h>
+#include "priv.h"
+
 #include <subdev/bios.h>
 #include <subdev/bios/vmap.h>
 #include <subdev/bios/volt.h>
 
-static int
+int
 nvkm_volt_get(struct nvkm_volt *volt)
 {
-	if (volt->vid_get) {
-		int ret = volt->vid_get(volt), i;
-		if (ret >= 0) {
-			for (i = 0; i < volt->vid_nr; i++) {
-				if (volt->vid[i].vid == ret)
-					return volt->vid[i].uv;
-			}
-			ret = -EINVAL;
+	int ret = volt->func->vid_get(volt), i;
+	if (ret >= 0) {
+		for (i = 0; i < volt->vid_nr; i++) {
+			if (volt->vid[i].vid == ret)
+				return volt->vid[i].uv;
 		}
-		return ret;
+		ret = -EINVAL;
 	}
-	return -ENODEV;
+	return ret;
 }
 
 static int
 nvkm_volt_set(struct nvkm_volt *volt, u32 uv)
 {
-	if (volt->vid_set) {
-		int i, ret = -EINVAL;
-		for (i = 0; i < volt->vid_nr; i++) {
-			if (volt->vid[i].uv == uv) {
-				ret = volt->vid_set(volt, volt->vid[i].vid);
-				nv_debug(volt, "set %duv: %d\n", uv, ret);
-				break;
-			}
+	struct nvkm_subdev *subdev = &volt->subdev;
+	int i, ret = -EINVAL;
+	for (i = 0; i < volt->vid_nr; i++) {
+		if (volt->vid[i].uv == uv) {
+			ret = volt->func->vid_set(volt, volt->vid[i].vid);
+			nvkm_debug(subdev, "set %duv: %d\n", uv, ret);
+			break;
 		}
-		return ret;
 	}
-	return -ENODEV;
+	return ret;
 }
 
 static int
 nvkm_volt_map(struct nvkm_volt *volt, u8 id)
 {
-	struct nvkm_bios *bios = nvkm_bios(volt);
+	struct nvkm_bios *bios = volt->subdev.device->bios;
 	struct nvbios_vmap_entry info;
 	u8  ver, len;
 	u16 vmap;
@@ -82,10 +78,15 @@ nvkm_volt_map(struct nvkm_volt *volt, u8 id)
 	return id ? id * 10000 : -ENODEV;
 }
 
-static int
+int
 nvkm_volt_set_id(struct nvkm_volt *volt, u8 id, int condition)
 {
-	int ret = nvkm_volt_map(volt, id);
+	int ret;
+
+	if (volt->func->set_id)
+		return volt->func->set_id(volt, id, condition);
+
+	ret = nvkm_volt_map(volt, id);
 	if (ret >= 0) {
 		int prev = nvkm_volt_get(volt);
 		if (!condition || prev < 0 ||
@@ -134,51 +135,41 @@ nvkm_volt_parse_bios(struct nvkm_bios *bios, struct nvkm_volt *volt)
 	}
 }
 
-int
-_nvkm_volt_init(struct nvkm_object *object)
+static int
+nvkm_volt_init(struct nvkm_subdev *subdev)
 {
-	struct nvkm_volt *volt = (void *)object;
-	int ret;
-
-	ret = nvkm_subdev_init(&volt->base);
-	if (ret)
-		return ret;
-
-	ret = volt->get(volt);
+	struct nvkm_volt *volt = nvkm_volt(subdev);
+	int ret = nvkm_volt_get(volt);
 	if (ret < 0) {
 		if (ret != -ENODEV)
-			nv_debug(volt, "current voltage unknown\n");
+			nvkm_debug(subdev, "current voltage unknown\n");
 		return 0;
 	}
-
-	nv_info(volt, "GPU voltage: %duv\n", ret);
+	nvkm_debug(subdev, "current voltage: %duv\n", ret);
 	return 0;
 }
 
-void
-_nvkm_volt_dtor(struct nvkm_object *object)
+static void *
+nvkm_volt_dtor(struct nvkm_subdev *subdev)
 {
-	struct nvkm_volt *volt = (void *)object;
-	nvkm_subdev_destroy(&volt->base);
+	return nvkm_volt(subdev);
 }
 
-int
-nvkm_volt_create_(struct nvkm_object *parent, struct nvkm_object *engine,
-		  struct nvkm_oclass *oclass, int length, void **pobject)
-{
-	struct nvkm_bios *bios = nvkm_bios(parent);
-	struct nvkm_volt *volt;
-	int ret, i;
+static const struct nvkm_subdev_func
+nvkm_volt = {
+	.dtor = nvkm_volt_dtor,
+	.init = nvkm_volt_init,
+};
 
-	ret = nvkm_subdev_create_(parent, engine, oclass, 0, "VOLT",
-				  "voltage", length, pobject);
-	volt = *pobject;
-	if (ret)
-		return ret;
+void
+nvkm_volt_ctor(const struct nvkm_volt_func *func, struct nvkm_device *device,
+	       int index, struct nvkm_volt *volt)
+{
+	struct nvkm_bios *bios = device->bios;
+	int i;
 
-	volt->get = nvkm_volt_get;
-	volt->set = nvkm_volt_set;
-	volt->set_id = nvkm_volt_set_id;
+	nvkm_subdev_ctor(&nvkm_volt, device, index, 0, &volt->subdev);
+	volt->func = func;
 
 	/* Assuming the non-bios device should build the voltage table later */
 	if (bios)
@@ -186,19 +177,18 @@ nvkm_volt_create_(struct nvkm_object *parent, struct nvkm_object *engine,
 
 	if (volt->vid_nr) {
 		for (i = 0; i < volt->vid_nr; i++) {
-			nv_debug(volt, "VID %02x: %duv\n",
-				 volt->vid[i].vid, volt->vid[i].uv);
-		}
-
-		/*XXX: this is an assumption.. there probably exists boards
-		 * out there with i2c-connected voltage controllers too..
-		 */
-		ret = nvkm_voltgpio_init(volt);
-		if (ret == 0) {
-			volt->vid_get = nvkm_voltgpio_get;
-			volt->vid_set = nvkm_voltgpio_set;
+			nvkm_debug(&volt->subdev, "VID %02x: %duv\n",
+				   volt->vid[i].vid, volt->vid[i].uv);
 		}
 	}
+}
 
-	return ret;
+int
+nvkm_volt_new_(const struct nvkm_volt_func *func, struct nvkm_device *device,
+	       int index, struct nvkm_volt **pvolt)
+{
+	if (!(*pvolt = kzalloc(sizeof(**pvolt), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_volt_ctor(func, device, index, *pvolt);
+	return 0;
 }