ODROID-COMMON:Add LT8619C HDMI to LVDS converter driver

Change-Id: I387b9ca86b0f3ec34f3da6d82ab9d57dadf8e84b

MAINTAINERS

@@ -15251,3 +15251,7 @@ HARDKERNEL USB OTG OVERLAY
 M:	Chris KIM <codewalker@hardkenrle.com>
 F:	arch/arm64/boot/dts/amlogic/overlays/odroidc4/otg_host_mode.dts
 F:	arch/arm64/boot/dts/amlogic/overlays/odroidn2/otg_host_mode.dts
+
+LT8619C-QC4011 DRIVER
+M:	Chris KIM <codewalker@hardkenrle.com>
+F:	drivers/amlogic/bridge/

arch/arm64/configs/odroidc4_android_defconfig

@@ -1606,6 +1606,7 @@ CONFIG_AMLOGIC_DEFENDKEY=y
 #
 # CONFIG_AMLOGIC_FIRMWARE is not set
 CONFIG_ARM_AMBA=y
+CONFIG_DRM_LT8619C_QC4011=y
 
 #
 # Generic Driver Options

arch/arm64/configs/odroidn2_android_defconfig

@@ -1557,6 +1557,7 @@ CONFIG_AMLOGIC_DEFENDKEY=y
 #
 # CONFIG_DOLBY_FW is not set
 CONFIG_ARM_AMBA=y
+CONFIG_DRM_LT8619C_QC4011=y
 
 #
 # Generic Driver Options

drivers/amlogic/Kconfig

@@ -148,5 +148,7 @@ source "drivers/amlogic/pixel_probe/Kconfig"
 
 source "drivers/amlogic/firmware/Kconfig"
 
+source "drivers/amlogic/bridge/Kconfig"
+
 endmenu
 endif

drivers/amlogic/Makefile

@@ -145,3 +145,5 @@ obj-$(CONFIG_AMLOGIC_IRCUT) += ircut/
 obj-$(CONFIG_AMLOGIC_PIXEL_PROBE) += pixel_probe/
 
 obj-$(CONFIG_AMLOGIC_FIRMWARE) += firmware/
+
+obj-$(CONFIG_DRM_LT8619C_QC4011) += bridge/

drivers/amlogic/bridge/Kconfig

@@ -0,0 +1,6 @@
+config DRM_LT8619C_QC4011
+	tristate "LT8619c HDMI to LVDS Converter"
+	depends on OF
+	select REGMAP_I2C
+	---help---
+	  lt8619c chip driver.

drivers/amlogic/bridge/Makefile

@@ -0,0 +1 @@
+obj-$(CONFIG_DRM_LT8619C_QC4011) += lt8619c-qc4011.o

drivers/amlogic/bridge/lt8619c.h

@@ -0,0 +1,110 @@
+/*
+ * drivers/amlogic/bridge/lt8619c.h
+ *
+ * Copyright (C) 2017 Amlogic, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ */
+
+#ifndef __LT8619C_H
+#define __LT8619C_H
+
+#undef USE_EXTERNAL_HDCPKEY
+#undef DDR_CLK
+
+struct video_timing {
+	uint32_t pixel_clk;
+	uint16_t hfp;
+	uint16_t hs;
+	uint16_t hbp;
+	uint16_t hact;
+	uint16_t htotal;
+	uint16_t vfp;
+	uint16_t vs;
+	uint16_t vbp;
+	uint16_t vact;
+	uint16_t vtotal;
+};
+
+enum LT8619C_OUTPUTMODE_ENUM {
+	OUTPUT_RGB888 = 0,
+	OUTPUT_RGB666,
+	OUTPUT_RGB565,
+	OUTPUT_YCBCR444,
+	OUTPUT_YCBCR422_16BIT,
+	OUTPUT_YCBCR422_20BIT,
+	OUTPUT_YCBCR422_24BIT,
+	OUTPUT_BT656_8BIT,
+	OUTPUT_BT656_10BIT,
+	OUTPUT_BT656_12BIT,
+	OUTPUT_BT1120_16BIT,
+	OUTPUT_BT1120_20BIT,
+	OUTPUT_BT1120_24BIT,
+	OUTPUT_LVDS_2_PORT,
+	OUTPUT_LVDS_1_PORT
+};
+
+#define LT8619C_OUTPUTMODE  OUTPUT_RGB888
+
+enum LT8619C_AUDIOINPUT_MODE {
+	I2S_2CH = 0,
+	SPDIF
+};
+
+#define Audio_Input_Mode I2S_2CH
+
+enum {
+	COLOR_RGB = 0x00,
+	COLOR_YCBCR444 = 0x40,
+	COLOR_YCBCR422 = 0x20
+};
+
+#define LT8619C_OUTPUTCOLOR COLOR_RGB
+
+enum {
+	NO_DATA = 0x00,
+	ITU_601 = 0x40,
+	ITU_709 = 0x80,
+	EXTENDED_COLORIETRY = 0xc0
+};
+
+enum {
+	xvYCC601 = 0x00,
+	xvYCC709 = 0x10
+	//FUTURE_COLORIETRY
+};
+
+enum {
+	DEFAULT_RANGE = 0x00,
+	LIMIT_RANGE = 0x04,
+	FULL_RANGE  = 0x08,
+	RESERVED_VAL = 0xc0
+};
+
+struct _LT8619C_RXStatus {
+	bool flag_RXClkStable;
+	bool flag_RXClkDetected;
+	bool flag_RXPLLLocked;
+	bool Flag_HsyncStable;
+	bool input_hdmimode;
+	uint8_t input_vic;
+	uint8_t input_colorspace;
+	uint8_t input_colordepth;
+	uint8_t input_colorimetry;
+	uint8_t input_ex_colorimetry;
+	uint8_t input_QuantRange;
+	uint8_t input_PRfactor;
+	uint8_t input_videoindex;
+	uint32_t ClkFreqValCurrent;
+	uint32_t ClkFreqValPrevious;
+};
+#endif /* __LT8619C_H */