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gerrit-public.fairphone.software / kernel / msm / 42253d7d7195391f54cff1c9d3d4852e1875f8e4 / . / include / media / soc_camera_platform.h
blob: 8aa4200a0b1d78021cd0b1d96ae980f306e282d0 [file] [log] [blame]
Magnus Damm073afdd2008-10-16 19:51:47 -0300[diff] [blame]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
Magnus Damm326c9862008-07-16 23:02:08 -0300[diff] [blame]11#ifndef __SOC_CAMERA_H__
12#define __SOC_CAMERA_H__
13
14#include <linux/videodev2.h>
Guennadi Liakhovetskic41deba2009-08-25 11:06:21 -0300[diff] [blame]15#include <media/soc_camera.h>
Guennadi Liakhovetski84c760a2011-07-27 10:06:09 -0300[diff] [blame]16#include <media/v4l2-mediabus.h>
Magnus Damm326c9862008-07-16 23:02:08 -0300[diff] [blame]17
Guennadi Liakhovetskibc1937b2009-08-25 11:06:22 -0300[diff] [blame]18struct device;
19
Magnus Damm326c9862008-07-16 23:02:08 -0300[diff] [blame]20struct soc_camera_platform_info {
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -0300[diff] [blame]21 const char *format_name;
Magnus Damm326c9862008-07-16 23:02:08 -0300[diff] [blame]22 unsigned long format_depth;
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300[diff] [blame]23 struct v4l2_mbus_framefmt format;
Guennadi Liakhovetski84c760a2011-07-27 10:06:09 -0300[diff] [blame]24 unsigned long mbus_param;
25 enum v4l2_mbus_type mbus_type;
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -0300[diff] [blame]26 struct soc_camera_device *icd;
Magnus Damm326c9862008-07-16 23:02:08 -0300[diff] [blame]27 int (*set_capture)(struct soc_camera_platform_info *info, int enable);
Magnus Damm326c9862008-07-16 23:02:08 -0300[diff] [blame]28};
29
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -0300[diff] [blame]30static inline void soc_camera_platform_release(struct platform_device **pdev)
31{
32 *pdev = NULL;
33}
34
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -0300[diff] [blame]35static inline int soc_camera_platform_add(struct soc_camera_device *icd,
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -0300[diff] [blame]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_platform_info *info = plink->priv;
42 int ret;
43
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -0300[diff] [blame]44 if (icd->link != plink)
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -0300[diff] [blame]45 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 -0300[diff] [blame]54 info->icd = icd;
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -0300[diff] [blame]55
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 -0300[diff] [blame]63 info->icd = NULL;
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -0300[diff] [blame]64 }
65
66 return ret;
67}
68
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -0300[diff] [blame]69static inline void soc_camera_platform_del(const struct soc_camera_device *icd,
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -0300[diff] [blame]70 struct platform_device *pdev,
71 const struct soc_camera_link *plink)
72{
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -0300[diff] [blame]73 if (icd->link != plink || !pdev)
Guennadi Liakhovetskiec0c8d52011-03-23 04:14:43 -0300[diff] [blame]74 return;
75
76 platform_device_unregister(pdev);
77}
78
Magnus Damm326c9862008-07-16 23:02:08 -0300[diff] [blame]79#endif /* __SOC_CAMERA_H__ */