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25a3481100
struct soc_camera_link currently contains fields, used both by sensor and bridge drivers. To make subdevice driver re-use simpler, split it into a host and a subdevice parts. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/*
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* Generic Platform Camera Driver Header
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*
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* Copyright (C) 2008 Magnus Damm
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __SOC_CAMERA_H__
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#define __SOC_CAMERA_H__
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#include <linux/videodev2.h>
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#include <media/soc_camera.h>
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#include <media/v4l2-mediabus.h>
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struct device;
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struct soc_camera_platform_info {
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const char *format_name;
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unsigned long format_depth;
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struct v4l2_mbus_framefmt format;
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unsigned long mbus_param;
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enum v4l2_mbus_type mbus_type;
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struct soc_camera_device *icd;
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int (*set_capture)(struct soc_camera_platform_info *info, int enable);
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};
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static inline void soc_camera_platform_release(struct platform_device **pdev)
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{
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*pdev = NULL;
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}
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static inline int soc_camera_platform_add(struct soc_camera_device *icd,
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struct platform_device **pdev,
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struct soc_camera_link *plink,
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void (*release)(struct device *dev),
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int id)
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{
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struct soc_camera_subdev_desc *ssdd =
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(struct soc_camera_subdev_desc *)plink;
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struct soc_camera_platform_info *info = ssdd->drv_priv;
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int ret;
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if (&icd->sdesc->subdev_desc != ssdd)
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return -ENODEV;
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if (*pdev)
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return -EBUSY;
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*pdev = platform_device_alloc("soc_camera_platform", id);
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if (!*pdev)
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return -ENOMEM;
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info->icd = icd;
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(*pdev)->dev.platform_data = info;
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(*pdev)->dev.release = release;
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ret = platform_device_add(*pdev);
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if (ret < 0) {
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platform_device_put(*pdev);
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*pdev = NULL;
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info->icd = NULL;
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}
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return ret;
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}
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static inline void soc_camera_platform_del(const struct soc_camera_device *icd,
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struct platform_device *pdev,
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const struct soc_camera_link *plink)
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{
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const struct soc_camera_subdev_desc *ssdd =
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(const struct soc_camera_subdev_desc *)plink;
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if (&icd->sdesc->subdev_desc != ssdd || !pdev)
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return;
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platform_device_unregister(pdev);
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}
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#endif /* __SOC_CAMERA_H__ */
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