diff options
Diffstat (limited to 'drivers/media/video/soc_camera_platform.c')
| -rw-r--r-- | drivers/media/video/soc_camera_platform.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/drivers/media/video/soc_camera_platform.c b/drivers/media/video/soc_camera_platform.c deleted file mode 100644 index f59ccade07c8..000000000000 --- a/drivers/media/video/soc_camera_platform.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * Generic Platform Camera Driver - * - * Copyright (C) 2008 Magnus Damm - * Based on mt9m001 driver, - * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de> - * - * 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. - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/videodev2.h> -#include <media/v4l2-subdev.h> -#include <media/soc_camera.h> -#include <media/soc_camera_platform.h> - -struct soc_camera_platform_priv { - struct v4l2_subdev subdev; -}; - -static struct soc_camera_platform_priv *get_priv(struct platform_device *pdev) -{ - struct v4l2_subdev *subdev = platform_get_drvdata(pdev); - return container_of(subdev, struct soc_camera_platform_priv, subdev); -} - -static int soc_camera_platform_s_stream(struct v4l2_subdev *sd, int enable) -{ - struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); - return p->set_capture(p, enable); -} - -static int soc_camera_platform_fill_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) -{ - struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); - - mf->width = p->format.width; - mf->height = p->format.height; - mf->code = p->format.code; - mf->colorspace = p->format.colorspace; - mf->field = p->format.field; - - return 0; -} - -static struct v4l2_subdev_core_ops platform_subdev_core_ops; - -static int soc_camera_platform_enum_fmt(struct v4l2_subdev *sd, unsigned int index, - enum v4l2_mbus_pixelcode *code) -{ - struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); - - if (index) - return -EINVAL; - - *code = p->format.code; - return 0; -} - -static int soc_camera_platform_g_crop(struct v4l2_subdev *sd, - struct v4l2_crop *a) -{ - struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); - - a->c.left = 0; - a->c.top = 0; - a->c.width = p->format.width; - a->c.height = p->format.height; - a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - - return 0; -} - -static int soc_camera_platform_cropcap(struct v4l2_subdev *sd, - struct v4l2_cropcap *a) -{ - struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); - - a->bounds.left = 0; - a->bounds.top = 0; - a->bounds.width = p->format.width; - a->bounds.height = p->format.height; - a->defrect = a->bounds; - a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - a->pixelaspect.numerator = 1; - a->pixelaspect.denominator = 1; - - return 0; -} - -static int soc_camera_platform_g_mbus_config(struct v4l2_subdev *sd, - struct v4l2_mbus_config *cfg) -{ - struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); - - cfg->flags = p->mbus_param; - cfg->type = p->mbus_type; - - return 0; -} - -static struct v4l2_subdev_video_ops platform_subdev_video_ops = { - .s_stream = soc_camera_platform_s_stream, - .enum_mbus_fmt = soc_camera_platform_enum_fmt, - .cropcap = soc_camera_platform_cropcap, - .g_crop = soc_camera_platform_g_crop, - .try_mbus_fmt = soc_camera_platform_fill_fmt, - .g_mbus_fmt = soc_camera_platform_fill_fmt, - .s_mbus_fmt = soc_camera_platform_fill_fmt, - .g_mbus_config = soc_camera_platform_g_mbus_config, -}; - -static struct v4l2_subdev_ops platform_subdev_ops = { - .core = &platform_subdev_core_ops, - .video = &platform_subdev_video_ops, -}; - -static int soc_camera_platform_probe(struct platform_device *pdev) -{ - struct soc_camera_host *ici; - struct soc_camera_platform_priv *priv; - struct soc_camera_platform_info *p = pdev->dev.platform_data; - struct soc_camera_device *icd; - int ret; - - if (!p) - return -EINVAL; - - if (!p->icd) { - dev_err(&pdev->dev, - "Platform has not set soc_camera_device pointer!\n"); - return -EINVAL; - } - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - icd = p->icd; - - /* soc-camera convention: control's drvdata points to the subdev */ - platform_set_drvdata(pdev, &priv->subdev); - /* Set the control device reference */ - icd->control = &pdev->dev; - - ici = to_soc_camera_host(icd->parent); - - v4l2_subdev_init(&priv->subdev, &platform_subdev_ops); - v4l2_set_subdevdata(&priv->subdev, p); - strncpy(priv->subdev.name, dev_name(&pdev->dev), V4L2_SUBDEV_NAME_SIZE); - - ret = v4l2_device_register_subdev(&ici->v4l2_dev, &priv->subdev); - if (ret) - goto evdrs; - - return ret; - -evdrs: - platform_set_drvdata(pdev, NULL); - kfree(priv); - return ret; -} - -static int soc_camera_platform_remove(struct platform_device *pdev) -{ - struct soc_camera_platform_priv *priv = get_priv(pdev); - struct soc_camera_platform_info *p = v4l2_get_subdevdata(&priv->subdev); - - p->icd->control = NULL; - v4l2_device_unregister_subdev(&priv->subdev); - platform_set_drvdata(pdev, NULL); - kfree(priv); - return 0; -} - -static struct platform_driver soc_camera_platform_driver = { - .driver = { - .name = "soc_camera_platform", - .owner = THIS_MODULE, - }, - .probe = soc_camera_platform_probe, - .remove = soc_camera_platform_remove, -}; - -module_platform_driver(soc_camera_platform_driver); - -MODULE_DESCRIPTION("SoC Camera Platform driver"); -MODULE_AUTHOR("Magnus Damm"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:soc_camera_platform"); |