drm/meson: Add support for HDMI venc modes and settings

This patch adds support for the supported HDMI Venc modes and add the VPP mux
value to switch to ENCP encoder.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

drivers/gpu/drm/meson/meson_venc.h

@@ -30,6 +30,7 @@ enum {
 	MESON_VENC_MODE_NONE = 0,
 	MESON_VENC_MODE_CVBS_PAL,
 	MESON_VENC_MODE_CVBS_NTSC,
+	MESON_VENC_MODE_HDMI,
 };
 
 struct meson_cvbs_enci_mode {
@@ -56,12 +57,18 @@ struct meson_cvbs_enci_mode {
 	unsigned int analog_sync_adj;
 };
 
+/* HDMI Clock parameters */
+bool meson_venc_hdmi_supported_vic(int vic);
+bool meson_venc_hdmi_venc_repeat(int vic);
+
 /* CVBS Timings and Parameters */
 extern struct meson_cvbs_enci_mode meson_cvbs_enci_pal;
 extern struct meson_cvbs_enci_mode meson_cvbs_enci_ntsc;
 
 void meson_venci_cvbs_mode_set(struct meson_drm *priv,
 			       struct meson_cvbs_enci_mode *mode);
+void meson_venc_hdmi_mode_set(struct meson_drm *priv, int vic,
+			      struct drm_display_mode *mode);
 unsigned int meson_venci_get_field(struct meson_drm *priv);
 
 void meson_venc_enable_vsync(struct meson_drm *priv);

drivers/gpu/drm/meson/meson_vpp.h

@@ -23,6 +23,8 @@
 
 /* Mux VIU/VPP to ENCI */
 #define MESON_VIU_VPP_MUX_ENCI	0x5
+/* Mux VIU/VPP to ENCP */
+#define MESON_VIU_VPP_MUX_ENCP	0xA
 
 void meson_vpp_setup_mux(struct meson_drm *priv, unsigned int mux);