drm/vc4: Add support for the VEC (Video Encoder) IP

The VEC IP is a TV DAC, providing support for PAL and NTSC standards.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index 875a70f..b5c4bb1 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -17,6 +17,7 @@ struct vc4_dev {
 	struct vc4_crtc *crtc[3];
 	struct vc4_v3d *v3d;
 	struct vc4_dpi *dpi;
+	struct vc4_vec *vec;
 
 	struct drm_fbdev_cma *fbdev;
 
@@ -487,6 +488,10 @@ int vc4_queue_seqno_cb(struct drm_device *dev,
 extern struct platform_driver vc4_hdmi_driver;
 int vc4_hdmi_debugfs_regs(struct seq_file *m, void *unused);
 
+/* vc4_hdmi.c */
+extern struct platform_driver vc4_vec_driver;
+int vc4_vec_debugfs_regs(struct seq_file *m, void *unused);
+
 /* vc4_irq.c */
 irqreturn_t vc4_irq(int irq, void *arg);
 void vc4_irq_preinstall(struct drm_device *dev);