media: i2c: add vm149c driver

Change-Id: Ifcb8027907be60807794e659316ad5211f51ff6d
Signed-off-by: Hu Kejun <william.hu@rock-chips.com>

Author: Hu Kejun

drivers/media/i2c/Kconfig

@@ -819,6 +819,15 @@ config VIDEO_UPD64083
 	  To compile this driver as a module, choose M here: the
 	  module will be called upd64083.
 
+comment "Camera lens devices"
+
+config VIDEO_VM149C
+	tristate "VM149C lens voice coil support"
+	depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
+	depends on VIDEO_V4L2_SUBDEV_API
+	---help---
+	  This is a driver for the VM149C camera lens voice coil.
+
 comment "Audio/Video compression chips"
 
 config VIDEO_SAA6752HS

drivers/media/i2c/Makefile

@@ -92,3 +92,5 @@ obj-$(CONFIG_VIDEO_GC0312)	+= gc0312.o
 obj-$(CONFIG_VIDEO_GC2145)	+= gc2145.o
 obj-$(CONFIG_VIDEO_GC0329)	+= gc0329.o
 obj-$(CONFIG_VIDEO_GC2035)	+= gc2035.o
+
+obj-$(CONFIG_VIDEO_VM149C)	+= vm149c.o

drivers/media/i2c/rk_vcm_head.h

@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd. */
+
+#ifndef RK_VCM_HEAD_H
+#define RK_VCM_HEAD_H
+
+/*
+ * Focus position values:
+ * 65 logical positions ( 0 - 64 )
+ * where 64 is the setting for infinity and 0 for macro
+ */
+#define VCMDRV_MAX_LOG			64U
+
+#define OF_CAMERA_VCMDRV_START_CURRENT	"rockchip,vcm-start-current"
+#define OF_CAMERA_VCMDRV_RATED_CURRENT	"rockchip,vcm-rated-current"
+#define OF_CAMERA_VCMDRV_STEP_MODE	"rockchip,vcm-step-mode"
+
+#define RK_VIDIOC_VCM_TIMEINFO \
+	_IOR('V', BASE_VIDIOC_PRIVATE + 0, struct rk_cam_vcm_tim)
+
+#ifdef CONFIG_COMPAT
+#define RK_VIDIOC_COMPAT_VCM_TIMEINFO \
+	_IOR('V', BASE_VIDIOC_PRIVATE + 0, struct rk_cam_compat_vcm_tim)
+#endif
+
+struct rk_cam_vcm_tim {
+	struct timeval vcm_start_t;
+	struct timeval vcm_end_t;
+};
+
+#ifdef CONFIG_COMPAT
+struct rk_cam_compat_vcm_tim {
+	struct compat_timeval vcm_start_t;
+	struct compat_timeval vcm_end_t;
+};
+#endif
+
+#endif /* RK_VCM_HEAD_H */
+