1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Medifield PNW Camera Imaging ISP subsystem.
4  *
5  * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6  */
7 #ifndef __ATOMISP_CSI2_H__
8 #define __ATOMISP_CSI2_H__
9 
10 #include <linux/gpio/consumer.h>
11 #include <linux/property.h>
12 
13 #include <media/v4l2-subdev.h>
14 #include <media/v4l2-ctrls.h>
15 
16 #include "../../include/linux/atomisp.h"
17 
18 #define CSI2_PAD_SINK		0
19 #define CSI2_PAD_SOURCE		1
20 #define CSI2_PADS_NUM		2
21 
22 struct v4l2_device;
23 
24 struct atomisp_device;
25 struct atomisp_sub_device;
26 
27 struct atomisp_mipi_csi2_device {
28 	struct v4l2_subdev subdev;
29 	struct media_pad pads[CSI2_PADS_NUM];
30 	struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM];
31 
32 	struct v4l2_ctrl_handler ctrls;
33 	struct atomisp_device *isp;
34 };
35 
36 int atomisp_csi2_set_ffmt(struct v4l2_subdev *sd,
37 			  struct v4l2_subdev_state *sd_state,
38 			  unsigned int which, uint16_t pad,
39 			  struct v4l2_mbus_framefmt *ffmt);
40 int atomisp_mipi_csi2_init(struct atomisp_device *isp);
41 void atomisp_mipi_csi2_cleanup(struct atomisp_device *isp);
42 void atomisp_mipi_csi2_unregister_entities(
43     struct atomisp_mipi_csi2_device *csi2);
44 int atomisp_mipi_csi2_register_entities(struct atomisp_mipi_csi2_device *csi2,
45 					struct v4l2_device *vdev);
46 int atomisp_csi2_bridge_init(struct atomisp_device *isp);
47 int atomisp_csi2_bridge_parse_firmware(struct atomisp_device *isp);
48 
49 void atomisp_csi2_configure(struct atomisp_sub_device *asd);
50 
51 #endif /* __ATOMISP_CSI2_H__ */
52