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 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License version
9 * 2 as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 *
17 */
18#ifndef __ATOMISP_CSI2_H__
19#define __ATOMISP_CSI2_H__
20
21#include <linux/gpio/consumer.h>
22#include <linux/property.h>
23
24#include <media/v4l2-subdev.h>
25#include <media/v4l2-ctrls.h>
26
27#include "../../include/linux/atomisp.h"
28
29#define CSI2_PAD_SINK		0
30#define CSI2_PAD_SOURCE		1
31#define CSI2_PADS_NUM		2
32
33#define CSI2_MAX_ACPI_GPIOS	2u
34
35struct acpi_device;
36struct v4l2_device;
37
38struct atomisp_device;
39struct atomisp_sub_device;
40
41struct atomisp_csi2_acpi_gpio_map {
42	struct acpi_gpio_params params[CSI2_MAX_ACPI_GPIOS];
43	struct acpi_gpio_mapping mapping[CSI2_MAX_ACPI_GPIOS + 1];
44};
45
46struct atomisp_csi2_acpi_gpio_parsing_data {
47	struct acpi_device *adev;
48	struct atomisp_csi2_acpi_gpio_map *map;
49	u32 settings[CSI2_MAX_ACPI_GPIOS];
50	unsigned int settings_count;
51	unsigned int res_count;
52	unsigned int map_count;
53};
54
55struct atomisp_mipi_csi2_device {
56	struct v4l2_subdev subdev;
57	struct media_pad pads[CSI2_PADS_NUM];
58	struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM];
59
60	struct v4l2_ctrl_handler ctrls;
61	struct atomisp_device *isp;
62};
63
64int atomisp_csi2_set_ffmt(struct v4l2_subdev *sd,
65			  struct v4l2_subdev_state *sd_state,
66			  unsigned int which, uint16_t pad,
67			  struct v4l2_mbus_framefmt *ffmt);
68int atomisp_mipi_csi2_init(struct atomisp_device *isp);
69void atomisp_mipi_csi2_cleanup(struct atomisp_device *isp);
70void atomisp_mipi_csi2_unregister_entities(
71    struct atomisp_mipi_csi2_device *csi2);
72int atomisp_mipi_csi2_register_entities(struct atomisp_mipi_csi2_device *csi2,
73					struct v4l2_device *vdev);
74int atomisp_csi2_bridge_init(struct atomisp_device *isp);
75int atomisp_csi2_bridge_parse_firmware(struct atomisp_device *isp);
76
77void atomisp_csi2_configure(struct atomisp_sub_device *asd);
78
79#endif /* __ATOMISP_CSI2_H__ */
80