[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / media / soc_camera_platform.h

/*
 * Generic Platform Camera Driver Header
 *
 * Copyright (C) 2008 Magnus Damm
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __SOC_CAMERA_H__
#define __SOC_CAMERA_H__

#include <linux/videodev2.h>
#include <media/soc_camera.h>
#include <media/v4l2-mediabus.h>

struct device;

struct soc_camera_platform_info {
	const char *format_name;
	unsigned long format_depth;
	struct v4l2_mbus_framefmt format;
	unsigned long mbus_param;
	enum v4l2_mbus_type mbus_type;
	struct soc_camera_device *icd;
	int (*set_capture)(struct soc_camera_platform_info *info, int enable);
};

static inline void soc_camera_platform_release(struct platform_device **pdev)
{
	*pdev = NULL;
}

static inline int 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)
{
	struct soc_camera_subdev_desc *ssdd =
		(struct soc_camera_subdev_desc *)plink;
	struct soc_camera_platform_info *info = ssdd->drv_priv;
	int ret;

	if (&icd->sdesc->subdev_desc != ssdd)
		return -ENODEV;

	if (*pdev)
		return -EBUSY;

	*pdev = platform_device_alloc("soc_camera_platform", id);
	if (!*pdev)
		return -ENOMEM;

	info->icd = icd;

	(*pdev)->dev.platform_data = info;
	(*pdev)->dev.release = release;

	ret = platform_device_add(*pdev);
	if (ret < 0) {
		platform_device_put(*pdev);
		*pdev = NULL;
		info->icd = NULL;
	}

	return ret;
}

static inline void soc_camera_platform_del(const struct soc_camera_device *icd,
					   struct platform_device *pdev,
					   const struct soc_camera_link *plink)
{
	const struct soc_camera_subdev_desc *ssdd =
		(const struct soc_camera_subdev_desc *)plink;
	if (&icd->sdesc->subdev_desc != ssdd || !pdev)
		return;

	platform_device_unregister(pdev);
}

#endif /* __SOC_CAMERA_H__ */
Commit	Line	Data
073afdd7 MD	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
326c9862 MD	11	#ifndef __SOC_CAMERA_H__
	12	#define __SOC_CAMERA_H__
	13
	14	#include <linux/videodev2.h>
c41debaf	15	#include <media/soc_camera.h>
84c760a5	16	#include <media/v4l2-mediabus.h>
326c9862	17
bc1937b4 GL	18	struct device;
bc1937b4 GL	19
326c9862	20	struct soc_camera_platform_info {
40e2e092	21	const char *format_name;
326c9862	22	unsigned long format_depth;
760697be	23	struct v4l2_mbus_framefmt format;
84c760a5 GL	24	unsigned long mbus_param;
84c760a5 GL	25	enum v4l2_mbus_type mbus_type;
7dfff953	26	struct soc_camera_device *icd;
326c9862 MD	27	int (set_capture)(struct soc_camera_platform_info info, int enable);
	28	};
	29
ec0c8d55 GL	30	static inline void soc_camera_platform_release(struct platform_device **pdev)
	31	{
	32	*pdev = NULL;
	33	}
	34
7dfff953	35	static inline int soc_camera_platform_add(struct soc_camera_device *icd,
ec0c8d55 GL	36	struct platform_device **pdev,
	37	struct soc_camera_link *plink,
	38	void (release)(struct device dev),
	39	int id)
	40	{
25a34811 GL	41	struct soc_camera_subdev_desc *ssdd =
	42	(struct soc_camera_subdev_desc *)plink;
	43	struct soc_camera_platform_info *info = ssdd->drv_priv;
ec0c8d55 GL	44	int ret;
ec0c8d55 GL	45
25a34811	46	if (&icd->sdesc->subdev_desc != ssdd)
ec0c8d55 GL	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
7dfff953	56	info->icd = icd;
ec0c8d55 GL	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;
7dfff953	65	info->icd = NULL;
ec0c8d55 GL	66	}
	67
	68	return ret;
	69	}
	70
7dfff953	71	static inline void soc_camera_platform_del(const struct soc_camera_device *icd,
ec0c8d55 GL	72	struct platform_device *pdev,
	73	const struct soc_camera_link *plink)
	74	{
25a34811 GL	75	const struct soc_camera_subdev_desc *ssdd =
	76	(const struct soc_camera_subdev_desc *)plink;
	77	if (&icd->sdesc->subdev_desc != ssdd \|\| !pdev)
ec0c8d55 GL	78	return;
	79
	80	platform_device_unregister(pdev);
	81	}
	82
326c9862	83	#endif /* __SOC_CAMERA_H__ */