1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h
new file mode 100644
index 000000000000..f3422cc6f8db
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h
@@ -0,0 +1,56 @@
+#ifndef __NVKM_I2C_PAD_H__
+#define __NVKM_I2C_PAD_H__
+#include "priv.h"
+
+struct nvkm_i2c_pad {
+	struct nvkm_object base;
+	int index;
+	struct nvkm_i2c_port *port;
+	struct nvkm_i2c_port *next;
+};
+
+static inline struct nvkm_i2c_pad *
+nvkm_i2c_pad(struct nvkm_i2c_port *port)
+{
+	struct nvkm_object *pad = nv_object(port);
+	while (!nv_iclass(pad->parent, NV_SUBDEV_CLASS))
+		pad = pad->parent;
+	return (void *)pad;
+}
+
+#define nvkm_i2c_pad_create(p,e,o,i,d)                                         \
+	nvkm_i2c_pad_create_((p), (e), (o), (i), sizeof(**d), (void **)d)
+#define nvkm_i2c_pad_destroy(p) ({                                             \
+	struct nvkm_i2c_pad *_p = (p);                                         \
+	_nvkm_i2c_pad_dtor(nv_object(_p));                                     \
+})
+#define nvkm_i2c_pad_init(p) ({                                                \
+	struct nvkm_i2c_pad *_p = (p);                                         \
+	_nvkm_i2c_pad_init(nv_object(_p));                                     \
+})
+#define nvkm_i2c_pad_fini(p,s) ({                                              \
+	struct nvkm_i2c_pad *_p = (p);                                         \
+	_nvkm_i2c_pad_fini(nv_object(_p), (s));                                \
+})
+
+int nvkm_i2c_pad_create_(struct nvkm_object *, struct nvkm_object *,
+			 struct nvkm_oclass *, int index, int, void **);
+
+int _nvkm_i2c_pad_ctor(struct nvkm_object *, struct nvkm_object *,
+		       struct nvkm_oclass *, void *, u32,
+		       struct nvkm_object **);
+#define _nvkm_i2c_pad_dtor nvkm_object_destroy
+int _nvkm_i2c_pad_init(struct nvkm_object *);
+int _nvkm_i2c_pad_fini(struct nvkm_object *, bool);
+
+#ifndef MSG
+#define MSG(l,f,a...) do {                                                     \
+	struct nvkm_i2c_pad *_pad = (void *)pad;                               \
+	nv_##l(_pad, "PAD:%c:%02x: "f,                                         \
+	       _pad->index >= 0x100 ? 'X' : 'S',                               \
+	       _pad->index >= 0x100 ? _pad->index - 0x100 : _pad->index, ##a); \
+} while(0)
+#define DBG(f,a...) MSG(debug, f, ##a)
+#define ERR(f,a...) MSG(error, f, ##a)
+#endif
+#endif