diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
commit | baea7b946f00a291b166ccae7fcfed6c01530cc6 (patch) | |
tree | 4aa275fbdbec9c7b9b4629e8bee2bbecd3c6a6af /drivers/media/video/soc_camera_platform.c | |
parent | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (diff) | |
parent | 94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff) |
Merge branch 'origin' into for-linus
Conflicts:
MAINTAINERS
Diffstat (limited to 'drivers/media/video/soc_camera_platform.c')
-rw-r--r-- | drivers/media/video/soc_camera_platform.c | 163 |
1 files changed, 74 insertions, 89 deletions
diff --git a/drivers/media/video/soc_camera_platform.c b/drivers/media/video/soc_camera_platform.c index c48676356ab..b6a575ce5da 100644 --- a/drivers/media/video/soc_camera_platform.c +++ b/drivers/media/video/soc_camera_platform.c @@ -16,54 +16,32 @@ #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/videodev2.h> -#include <media/v4l2-common.h> +#include <media/v4l2-subdev.h> #include <media/soc_camera.h> #include <media/soc_camera_platform.h> struct soc_camera_platform_priv { - struct soc_camera_platform_info *info; - struct soc_camera_device icd; + struct v4l2_subdev subdev; struct soc_camera_data_format format; }; -static struct soc_camera_platform_info * -soc_camera_platform_get_info(struct soc_camera_device *icd) +static struct soc_camera_platform_priv *get_priv(struct platform_device *pdev) { - struct soc_camera_platform_priv *priv; - priv = container_of(icd, struct soc_camera_platform_priv, icd); - return priv->info; -} - -static int soc_camera_platform_init(struct soc_camera_device *icd) -{ - struct soc_camera_platform_info *p = soc_camera_platform_get_info(icd); - - if (p->power) - p->power(1); - - return 0; -} - -static int soc_camera_platform_release(struct soc_camera_device *icd) -{ - struct soc_camera_platform_info *p = soc_camera_platform_get_info(icd); - - if (p->power) - p->power(0); - - return 0; + struct v4l2_subdev *subdev = platform_get_drvdata(pdev); + return container_of(subdev, struct soc_camera_platform_priv, subdev); } -static int soc_camera_platform_start_capture(struct soc_camera_device *icd) +static struct soc_camera_platform_info *get_info(struct soc_camera_device *icd) { - struct soc_camera_platform_info *p = soc_camera_platform_get_info(icd); - return p->set_capture(p, 1); + struct platform_device *pdev = + to_platform_device(to_soc_camera_control(icd)); + return pdev->dev.platform_data; } -static int soc_camera_platform_stop_capture(struct soc_camera_device *icd) +static int soc_camera_platform_s_stream(struct v4l2_subdev *sd, int enable) { - struct soc_camera_platform_info *p = soc_camera_platform_get_info(icd); - return p->set_capture(p, 0); + struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); + return p->set_capture(p, enable); } static int soc_camera_platform_set_bus_param(struct soc_camera_device *icd, @@ -75,26 +53,14 @@ static int soc_camera_platform_set_bus_param(struct soc_camera_device *icd, static unsigned long soc_camera_platform_query_bus_param(struct soc_camera_device *icd) { - struct soc_camera_platform_info *p = soc_camera_platform_get_info(icd); + struct soc_camera_platform_info *p = get_info(icd); return p->bus_param; } -static int soc_camera_platform_set_crop(struct soc_camera_device *icd, - struct v4l2_rect *rect) -{ - return 0; -} - -static int soc_camera_platform_set_fmt(struct soc_camera_device *icd, +static int soc_camera_platform_try_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) { - return 0; -} - -static int soc_camera_platform_try_fmt(struct soc_camera_device *icd, - struct v4l2_format *f) -{ - struct soc_camera_platform_info *p = soc_camera_platform_get_info(icd); + struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); struct v4l2_pix_format *pix = &f->fmt.pix; pix->width = p->format.width; @@ -102,82 +68,99 @@ static int soc_camera_platform_try_fmt(struct soc_camera_device *icd, return 0; } -static int soc_camera_platform_video_probe(struct soc_camera_device *icd) +static void soc_camera_platform_video_probe(struct soc_camera_device *icd, + struct platform_device *pdev) { - struct soc_camera_platform_priv *priv; - priv = container_of(icd, struct soc_camera_platform_priv, icd); + struct soc_camera_platform_priv *priv = get_priv(pdev); + struct soc_camera_platform_info *p = pdev->dev.platform_data; - priv->format.name = priv->info->format_name; - priv->format.depth = priv->info->format_depth; - priv->format.fourcc = priv->info->format.pixelformat; - priv->format.colorspace = priv->info->format.colorspace; + priv->format.name = p->format_name; + priv->format.depth = p->format_depth; + priv->format.fourcc = p->format.pixelformat; + priv->format.colorspace = p->format.colorspace; icd->formats = &priv->format; icd->num_formats = 1; - - return soc_camera_video_start(icd); } -static void soc_camera_platform_video_remove(struct soc_camera_device *icd) -{ - soc_camera_video_stop(icd); -} +static struct v4l2_subdev_core_ops platform_subdev_core_ops; + +static struct v4l2_subdev_video_ops platform_subdev_video_ops = { + .s_stream = soc_camera_platform_s_stream, + .try_fmt = soc_camera_platform_try_fmt, +}; + +static struct v4l2_subdev_ops platform_subdev_ops = { + .core = &platform_subdev_core_ops, + .video = &platform_subdev_video_ops, +}; static struct soc_camera_ops soc_camera_platform_ops = { - .owner = THIS_MODULE, - .probe = soc_camera_platform_video_probe, - .remove = soc_camera_platform_video_remove, - .init = soc_camera_platform_init, - .release = soc_camera_platform_release, - .start_capture = soc_camera_platform_start_capture, - .stop_capture = soc_camera_platform_stop_capture, - .set_crop = soc_camera_platform_set_crop, - .set_fmt = soc_camera_platform_set_fmt, - .try_fmt = soc_camera_platform_try_fmt, .set_bus_param = soc_camera_platform_set_bus_param, .query_bus_param = soc_camera_platform_query_bus_param, }; 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; + struct soc_camera_platform_info *p = pdev->dev.platform_data; struct soc_camera_device *icd; int ret; - p = pdev->dev.platform_data; if (!p) return -EINVAL; + if (!p->dev) { + 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; - priv->info = p; - platform_set_drvdata(pdev, priv); + icd = to_soc_camera_dev(p->dev); + + /* soc-camera convention: control's drvdata points to the subdev */ + platform_set_drvdata(pdev, &priv->subdev); + /* Set the control device reference */ + dev_set_drvdata(&icd->dev, &pdev->dev); + + icd->y_skip_top = 0; + icd->ops = &soc_camera_platform_ops; + + ici = to_soc_camera_host(icd->dev.parent); - icd = &priv->icd; - icd->ops = &soc_camera_platform_ops; - icd->control = &pdev->dev; - icd->width_min = 0; - icd->width_max = priv->info->format.width; - icd->height_min = 0; - icd->height_max = priv->info->format.height; - icd->y_skip_top = 0; - icd->iface = priv->info->iface; + soc_camera_platform_video_probe(icd, pdev); - ret = soc_camera_device_register(icd); + 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) - kfree(priv); + goto evdrs; + + return ret; +evdrs: + icd->ops = NULL; + 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 = platform_get_drvdata(pdev); + struct soc_camera_platform_priv *priv = get_priv(pdev); + struct soc_camera_platform_info *p = pdev->dev.platform_data; + struct soc_camera_device *icd = to_soc_camera_dev(p->dev); - soc_camera_device_unregister(&priv->icd); + v4l2_device_unregister_subdev(&priv->subdev); + icd->ops = NULL; + platform_set_drvdata(pdev, NULL); kfree(priv); return 0; } @@ -185,6 +168,7 @@ static int soc_camera_platform_remove(struct platform_device *pdev) 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, @@ -206,3 +190,4 @@ module_exit(soc_camera_platform_module_exit); MODULE_DESCRIPTION("SoC Camera Platform driver"); MODULE_AUTHOR("Magnus Damm"); MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:soc_camera_platform"); |