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Magnus Damm073afdd2008-10-16 19:51:47 -03001/*
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
Magnus Damm326c9862008-07-16 23:02:08 -030011#ifndef __SOC_CAMERA_H__
12#define __SOC_CAMERA_H__
13
14#include <linux/videodev2.h>
Guennadi Liakhovetskic41deba2009-08-25 11:06:21 -030015#include <media/soc_camera.h>
Guennadi Liakhovetski84c760a2011-07-27 10:06:09 -030016#include <media/v4l2-mediabus.h>
Magnus Damm326c9862008-07-16 23:02:08 -030017
Guennadi Liakhovetskibc1937b2009-08-25 11:06:22 -030018struct device;
19
Magnus Damm326c9862008-07-16 23:02:08 -030020struct soc_camera_platform_info {
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -030021 const char *format_name;
Magnus Damm326c9862008-07-16 23:02:08 -030022 unsigned long format_depth;
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -030023 struct v4l2_mbus_framefmt format;
Guennadi Liakhovetski84c760a2011-07-27 10:06:09 -030024 unsigned long mbus_param;
25 enum v4l2_mbus_type mbus_type;
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -030026 struct soc_camera_device *icd;
Magnus Damm326c9862008-07-16 23:02:08 -030027 int (*set_capture)(struct soc_camera_platform_info *info, int enable);
Magnus Damm326c9862008-07-16 23:02:08 -030028};
29
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -030030static inline void soc_camera_platform_release(struct platform_device **pdev)
31{
32 *pdev = NULL;
33}
34
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -030035static inline int soc_camera_platform_add(struct soc_camera_device *icd,
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -030036 struct platform_device **pdev,
37 struct soc_camera_link *plink,
38 void (*release)(struct device *dev),
39 int id)
40{
41 struct soc_camera_platform_info *info = plink->priv;
42 int ret;
43
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -030044 if (icd->link != plink)
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -030045 return -ENODEV;
46
47 if (*pdev)
48 return -EBUSY;
49
50 *pdev = platform_device_alloc("soc_camera_platform", id);
51 if (!*pdev)
52 return -ENOMEM;
53
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -030054 info->icd = icd;
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -030055
56 (*pdev)->dev.platform_data = info;
57 (*pdev)->dev.release = release;
58
59 ret = platform_device_add(*pdev);
60 if (ret < 0) {
61 platform_device_put(*pdev);
62 *pdev = NULL;
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -030063 info->icd = NULL;
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -030064 }
65
66 return ret;
67}
68
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -030069static inline void soc_camera_platform_del(const struct soc_camera_device *icd,
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -030070 struct platform_device *pdev,
71 const struct soc_camera_link *plink)
72{
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -030073 if (icd->link != plink || !pdev)
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -030074 return;
75
76 platform_device_unregister(pdev);
77}
78
Magnus Damm326c9862008-07-16 23:02:08 -030079#endif /* __SOC_CAMERA_H__ */