media: i2c: Add a driver for the Infineon IRS1125 depth sensor

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------

The Infineon IRS1125 is a time of flight depth sensor that
has a CSI-2 interface.

Add a V4L2 subdevice driver for this device.
Signed-off-by: NMarkus Proeller <markus.proeller@pieye.org>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/media/i2c/Kconfig

@@ -1060,6 +1060,18 @@ config VIDEO_OV13858
 	  This is a Video4Linux2 sensor driver for the OmniVision
 	  OV13858 camera.
 
+config VIDEO_IRS1125
+	tristate "Infineon IRS1125 sensor support"
+	depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+	depends on MEDIA_CAMERA_SUPPORT
+	select V4L2_FWNODE
+	help
+	  This is a Video4Linux2 sensor-level driver for the Infineon
+	  IRS1125 camera.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called irs1125.
+
 config VIDEO_VS6624
 	tristate "ST VS6624 sensor support"
 	depends on VIDEO_V4L2 && I2C

drivers/media/i2c/Makefile

@@ -84,6 +84,7 @@ obj-$(CONFIG_VIDEO_OV8856) += ov8856.o
 obj-$(CONFIG_VIDEO_OV9640) += ov9640.o
 obj-$(CONFIG_VIDEO_OV9650) += ov9650.o
 obj-$(CONFIG_VIDEO_OV13858) += ov13858.o
+obj-$(CONFIG_VIDEO_IRS1125) += irs1125.o
 obj-$(CONFIG_VIDEO_MT9M001) += mt9m001.o
 obj-$(CONFIG_VIDEO_MT9M032) += mt9m032.o
 obj-$(CONFIG_VIDEO_MT9M111) += mt9m111.o

drivers/media/i2c/irs1125.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * A V4L2 driver for Infineon IRS1125 TOF cameras.
+ * Copyright (C) 2018, pieye GmbH
+ *
+ * Based on V4L2 OmniVision OV5647 Image Sensor driver
+ * Copyright (C) 2016 Ramiro Oliveira <roliveir@synopsys.com>
+ *
+ * DT / fwnode changes, and GPIO control taken from ov5640.c
+ * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2014-2017 Mentor Graphics Inc.
+ *
+ */
+
+#ifndef IRS1125_H
+#define IRS1125_H
+
+#include <linux/v4l2-controls.h>
+#include <linux/types.h>
+
+#define IRS1125_NUM_SEQ_ENTRIES 20
+#define IRS1125_NUM_MOD_PLLS 4
+
+#define IRS1125_CID_CUSTOM_BASE        (V4L2_CID_USER_BASE | 0xf000)
+#define IRS1125_CID_SAFE_RECONFIG      (IRS1125_CID_CUSTOM_BASE + 0)
+#define IRS1125_CID_CONTINUOUS_TRIG    (IRS1125_CID_CUSTOM_BASE + 1)
+#define IRS1125_CID_TRIGGER            (IRS1125_CID_CUSTOM_BASE + 2)
+#define IRS1125_CID_RECONFIG           (IRS1125_CID_CUSTOM_BASE + 3)
+#define IRS1125_CID_ILLU_ON            (IRS1125_CID_CUSTOM_BASE + 4)
+#define IRS1125_CID_NUM_SEQS           (IRS1125_CID_CUSTOM_BASE + 5)
+#define IRS1125_CID_MOD_PLL            (IRS1125_CID_CUSTOM_BASE + 6)
+#define IRS1125_CID_SEQ_CONFIG         (IRS1125_CID_CUSTOM_BASE + 7)
+#define IRS1125_CID_IDENT0             (IRS1125_CID_CUSTOM_BASE + 8)
+#define IRS1125_CID_IDENT1             (IRS1125_CID_CUSTOM_BASE + 9)
+#define IRS1125_CID_IDENT2             (IRS1125_CID_CUSTOM_BASE + 10)
+
+struct irs1125_seq_cfg {
+	__u16 exposure;
+	__u16 framerate;
+	__u16 ps;
+	__u16 pll;
+};
+
+struct irs1125_illu {
+	__u16 exposure;
+	__u16 framerate;
+};
+
+struct irs1125_mod_pll {
+	__u16 pllcfg1;
+	__u16 pllcfg2;
+	__u16 pllcfg3;
+	__u16 pllcfg4;
+	__u16 pllcfg5;
+	__u16 pllcfg6;
+	__u16 pllcfg7;
+	__u16 pllcfg8;
+};
+
+#endif /* IRS1125 */
+