1/*
2 * Generic Platform Camera Driver Header
3 *
4 * Copyright (C) 2008 Magnus Damm
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#ifndef __SOC_CAMERA_H__
12#define __SOC_CAMERA_H__
13
14#include <linux/videodev2.h>
15#include <media/soc_camera.h>
16#include <media/v4l2-mediabus.h>
17
18struct device;
19
20struct soc_camera_platform_info {
21	const char *format_name;
22	unsigned long format_depth;
23	struct v4l2_mbus_framefmt format;
24	unsigned long mbus_param;
25	enum v4l2_mbus_type mbus_type;
26	struct soc_camera_device *icd;
27	int (*set_capture)(struct soc_camera_platform_info *info, int enable);
28};
29
30static inline void soc_camera_platform_release(struct platform_device **pdev)
31{
32	*pdev = NULL;
33}
34
35static inline int soc_camera_platform_add(struct soc_camera_device *icd,
36					  struct platform_device **pdev,
37					  struct soc_camera_link *plink,
38					  void (*release)(struct device *dev),
39					  int id)
40{
41	struct soc_camera_subdev_desc *ssdd =
42		(struct soc_camera_subdev_desc *)plink;
43	struct soc_camera_platform_info *info = ssdd->drv_priv;
44	int ret;
45
46	if (&icd->sdesc->subdev_desc != ssdd)
47		return -ENODEV;
48
49	if (*pdev)
50		return -EBUSY;
51
52	*pdev = platform_device_alloc("soc_camera_platform", id);
53	if (!*pdev)
54		return -ENOMEM;
55
56	info->icd = icd;
57
58	(*pdev)->dev.platform_data = info;
59	(*pdev)->dev.release = release;
60
61	ret = platform_device_add(*pdev);
62	if (ret < 0) {
63		platform_device_put(*pdev);
64		*pdev = NULL;
65		info->icd = NULL;
66	}
67
68	return ret;
69}
70
71static inline void soc_camera_platform_del(const struct soc_camera_device *icd,
72					   struct platform_device *pdev,
73					   const struct soc_camera_link *plink)
74{
75	const struct soc_camera_subdev_desc *ssdd =
76		(const struct soc_camera_subdev_desc *)plink;
77	if (&icd->sdesc->subdev_desc != ssdd || !pdev)
78		return;
79
80	platform_device_unregister(pdev);
81}
82
83#endif /* __SOC_CAMERA_H__ */
84