video: adf: fbdev: add stubs for kernels without ADF_FBDEV

Change-Id: I42e087cddc29f6b93749791606e80dbd3e6f59ce
Signed-off-by: Greg Hackmann <ghackmann@google.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/include/video/adf_fbdev.h b/include/video/adf_fbdev.h
index e4d6fb7b25df..b722c6b3ab02 100644
--- a/include/video/adf_fbdev.h
+++ b/include/video/adf_fbdev.h
@@ -39,6 +39,7 @@ struct adf_fbdev {
 	u32 default_format;
 };
 
+#if IS_ENABLED(CONFIG_ADF_FBDEV)
 void adf_modeinfo_to_fb_videomode(const struct drm_mode_modeinfo *mode,
 		struct fb_videomode *vmode);
 void adf_modeinfo_from_fb_videomode(const struct fb_videomode *vmode,
@@ -57,5 +58,67 @@ int adf_fbdev_set_par(struct fb_info *info);
 int adf_fbdev_blank(int blank, struct fb_info *info);
 int adf_fbdev_pan_display(struct fb_var_screeninfo *var, struct fb_info *info);
 int adf_fbdev_mmap(struct fb_info *info, struct vm_area_struct *vma);
+#else
+static inline void adf_modeinfo_to_fb_videomode(const struct drm_mode_modeinfo *mode,
+		struct fb_videomode *vmode)
+{
+	WARN_ONCE(1, "%s: CONFIG_ADF_FBDEV is disabled\n", __func__);
+}
+
+static inline void adf_modeinfo_from_fb_videomode(const struct fb_videomode *vmode,
+		struct drm_mode_modeinfo *mode)
+{
+	WARN_ONCE(1, "%s: CONFIG_ADF_FBDEV is disabled\n", __func__);
+}
+
+static inline int adf_fbdev_init(struct adf_fbdev *fbdev,
+		struct adf_interface *interface,
+		struct adf_overlay_engine *eng,
+		u16 xres_virtual, u16 yres_virtual, u32 format,
+		struct fb_ops *fbops, const char *fmt, ...)
+{
+	return -ENODEV;
+}
+
+static inline void adf_fbdev_destroy(struct adf_fbdev *fbdev) { }
+
+static inline int adf_fbdev_open(struct fb_info *info, int user)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_release(struct fb_info *info, int user)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_check_var(struct fb_var_screeninfo *var,
+		struct fb_info *info)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_set_par(struct fb_info *info)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_blank(int blank, struct fb_info *info)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_pan_display(struct fb_var_screeninfo *var,
+		struct fb_info *info)
+{
+	return -ENODEV;
+}
+
+static inline int adf_fbdev_mmap(struct fb_info *info,
+		struct vm_area_struct *vma)
+{
+	return -ENODEV;
+}
+#endif
 
 #endif /* _VIDEO_ADF_FBDEV_H_ */