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
18 struct device;
19
20 struct 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
soc_camera_platform_release(struct platform_device ** pdev)30 static inline void soc_camera_platform_release(struct platform_device **pdev)
31 {
32 *pdev = NULL;
33 }
34
soc_camera_platform_add(struct soc_camera_device * icd,struct platform_device ** pdev,struct soc_camera_link * plink,void (* release)(struct device * dev),int id)35 static 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
soc_camera_platform_del(const struct soc_camera_device * icd,struct platform_device * pdev,const struct soc_camera_link * plink)71 static 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
