litmus-rt.git - The LITMUS^RT kernel.

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Diffstat (limited to 'arch/um/include/irq_kern.h')

0 files changed, 0 insertions, 0 deletions

/* * camera image capture (abstract) bus driver header * * Copyright (C) 2006, Sascha Hauer, Pengutronix * 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. */ #ifndef SOC_CAMERA_H #define SOC_CAMERA_H #include <linux/bitops.h> #include <linux/device.h> #include <linux/mutex.h> #include <linux/pm.h> #include <linux/videodev2.h> #include <media/videobuf-core.h> #include <media/videobuf2-core.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> struct file; struct soc_camera_link; struct soc_camera_device { struct list_head list; /* list of all registered devices */ struct soc_camera_link *link; struct device *pdev; /* Platform device */ struct device *parent; /* Camera host device */ struct device *control; /* E.g., the i2c client */ s32 user_width; s32 user_height; u32 bytesperline; /* for padding, zero if unused */ u32 sizeimage; enum v4l2_colorspace colorspace; unsigned char iface; /* Host number */ unsigned char devnum; /* Device number per host */ struct soc_camera_sense *sense; /* See comment in struct definition */ struct video_device *vdev; struct v4l2_ctrl_handler ctrl_handler; const struct soc_camera_format_xlate *current_fmt; struct soc_camera_format_xlate *user_formats; int num_user_formats; enum v4l2_field field; /* Preserve field over close() */ void *host_priv; /* Per-device host private data */ /* soc_camera.c private count. Only accessed with .video_lock held */ int use_count; struct mutex video_lock; /* Protects device data */ struct file *streamer; /* stream owner */ union { struct videobuf_queue vb_vidq; struct vb2_queue vb2_vidq; }; }; struct soc_camera_host { struct v4l2_device v4l2_dev; struct list_head list; struct mutex host_lock; /* Protect during probing */ unsigned char nr; /* Host number */ void *priv; const char *drv_name; struct soc_camera_host_ops *ops; }; struct soc_camera_host_ops { struct module *owner; int (*add)(struct soc_camera_device *); void (*remove)(struct soc_camera_device *); /* * .get_formats() is called for each client device format, but * .put_formats() is only called once. Further, if any of the calls to * .get_formats() fail, .put_formats() will not be called at all, the * failing .get_formats() must then clean up internally. */ int (*get_formats)(struct soc_camera_device *, unsigned int, struct soc_camera_format_xlate *); void (*put_formats)(struct soc_camera_device *); int (*cropcap)(struct soc_camera_device *, struct v4l2_cropcap *); int (*get_crop)(struct soc_camera_device *, struct v4l2_crop *); int (*set_crop)(struct soc_camera_device *, struct v4l2_crop *); /* * The difference to .set_crop() is, that .set_livecrop is not allowed * to change the output sizes */ int (*set_livecrop)(struct soc_camera_device *, struct v4l2_crop *); int (*set_fmt)(struct soc_camera_device *, struct v4l2_format *); int (*try_fmt)(struct soc_camera_device *, struct v4l2_format *); void (*init_videobuf)(struct videobuf_queue *, struct soc_camera_device *); int (*init_videobuf2)(struct vb2_queue *, struct soc_camera_device *); int (*reqbufs)(struct soc_camera_device *, struct v4l2_requestbuffers *); int (*querycap)(struct soc_camera_host *, struct v4l2_capability *); int (*set_bus_param)(struct soc_camera_device *); int (*get_parm)(struct soc_camera_device *, struct v4l2_streamparm *); int (*set_parm)(struct soc_camera_device *, struct v4l2_streamparm *); int (*enum_fsizes)(struct soc_camera_device *, struct v4l2_frmsizeenum *); unsigned int (*poll)(struct file *, poll_table *); }; #define SOCAM_SENSOR_INVERT_PCLK (1 << 0) #define SOCAM_SENSOR_INVERT_MCLK (1 << 1) #define SOCAM_SENSOR_INVERT_HSYNC (1 << 2) #define SOCAM_SENSOR_INVERT_VSYNC (1 << 3) #define SOCAM_SENSOR_INVERT_DATA (1 << 4) struct i2c_board_info; struct regulator_bulk_data; struct soc_camera_link { /* Camera bus id, used to match a camera and a bus */ int bus_id; /* Per camera SOCAM_SENSOR_* bus flags */ unsigned long flags; int i2c_adapter_id; struct i2c_board_info *board_info; const char *module_name; void *priv; /* Optional regulators that have to be managed on power on/off events */ struct regulator_bulk_data *regulators; int num_regulators; /* * For non-I2C devices platform has to provide methods to add a device * to the system and to remove it */ int (*add_device)(struct soc_camera_device *); void (*del_device)(struct soc_camera_device *); /* Optional callbacks to power on or off and reset the sensor */ int (*power)(struct device *, int); int (*reset)(struct device *); /* * some platforms may support different data widths than the sensors * native ones due to different data line routing. Let the board code * overwrite the width flags. */ int (*set_bus_param)(struct soc_camera_link *, unsigned long flags); unsigned long (*query_bus_param)(struct soc_camera_link *); void (*free_bus)(struct soc_camera_link *); }; static inline struct soc_camera_host *to_soc_camera_host( const struct device *dev) { struct v4l2_device *v4l2_dev = dev_get_drvdata(dev);


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