tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
17struct device;
18
19struct soc_camera_platform_info {
20 const char *format_name;
21 unsigned long format_depth;
22 struct v4l2_mbus_framefmt format;
23 unsigned long bus_param;
24 struct device *dev;
25 int (*set_capture)(struct soc_camera_platform_info *info, int enable);
26};
27
28static inline void soc_camera_platform_release(struct platform_device **pdev)
29{
30 *pdev = NULL;
31}
32
33static inline int soc_camera_platform_add(const struct soc_camera_link *icl,
34 struct device *dev,
35 struct platform_device **pdev,
36 struct soc_camera_link *plink,
37 void (*release)(struct device *dev),
38 int id)
39{
40 struct soc_camera_platform_info *info = plink->priv;
41 int ret;
42
43 if (icl != plink)
44 return -ENODEV;
45
46 if (*pdev)
47 return -EBUSY;
48
49 *pdev = platform_device_alloc("soc_camera_platform", id);
50 if (!*pdev)
51 return -ENOMEM;
52
53 info->dev = dev;
54
55 (*pdev)->dev.platform_data = info;
56 (*pdev)->dev.release = release;
57
58 ret = platform_device_add(*pdev);
59 if (ret < 0) {
60 platform_device_put(*pdev);
61 *pdev = NULL;
62 info->dev = NULL;
63 }
64
65 return ret;
66}
67
68static inline void soc_camera_platform_del(const struct soc_camera_link *icl,
69 struct platform_device *pdev,
70 const struct soc_camera_link *plink)
71{
72 if (icl != plink || !pdev)
73 return;
74
75 platform_device_unregister(pdev);
76}
77
78#endif /* __SOC_CAMERA_H__ */