media: i2c: Add TDA1997x HDMI receiver driver

Add support for the TDA1997x HDMI receivers.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: fix type 'testin' -> 'testing']
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

include/media/i2c/tda1997x.h

@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * tda1997x - NXP HDMI receiver
+ *
+ * Copyright 2017 Tim Harvey <tharvey@gateworks.com>
+ *
+ */
+
+#ifndef _TDA1997X_
+#define _TDA1997X_
+
+/* Platform Data */
+struct tda1997x_platform_data {
+	enum v4l2_mbus_type vidout_bus_type;
+	u32 vidout_bus_width;
+	u8 vidout_port_cfg[9];
+	/* pin polarity (1=invert) */
+	bool vidout_inv_de;
+	bool vidout_inv_hs;
+	bool vidout_inv_vs;
+	bool vidout_inv_pclk;
+	/* clock delays (0=-8, 1=-7 ... 15=+7 pixels) */
+	u8 vidout_delay_hs;
+	u8 vidout_delay_vs;
+	u8 vidout_delay_de;
+	u8 vidout_delay_pclk;
+	/* sync selections (controls how sync pins are derived) */
+	u8 vidout_sel_hs;
+	u8 vidout_sel_vs;
+	u8 vidout_sel_de;
+
+	/* Audio Port Output */
+	int audout_format;
+	u32 audout_mclk_fs;	/* clock multiplier */
+	u32 audout_width;	/* 13 or 32 bit */
+	u32 audout_layout;	/* layout0=AP0 layout1=AP0,AP1,AP2,AP3 */
+	bool audout_layoutauto;	/* audio layout dictated by pkt header */
+	bool audout_invert_clk;	/* data valid on rising edge of BCLK */
+	bool audio_auto_mute;	/* enable hardware audio auto-mute */
+};
+
+#endif