Gecko [ paroquia-rio-de-mouro.pt ]

Name	Size	Permission	Date
blackfin	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
davinci	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
ad9389b.h	1.41 KB	-rw-r--r--	2016-01-11 00:01
adp1653.h	4.21 KB	-rw-r--r--	2016-01-11 00:01
adv7183.h	1.76 KB	-rw-r--r--	2016-01-11 00:01
adv7343.h	1.94 KB	-rw-r--r--	2016-01-11 00:01
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adv7511.h	1.2 KB	-rw-r--r--	2016-01-11 00:01
adv7604.h	4.66 KB	-rw-r--r--	2016-01-11 00:01
adv7842.h	6.11 KB	-rw-r--r--	2016-01-11 00:01
ak881x.h	665 B	-rw-r--r--	2016-01-11 00:01
as3645a.h	2.35 KB	-rw-r--r--	2016-01-11 00:01
bt819.h	1.15 KB	-rw-r--r--	2016-01-11 00:01
cs5345.h	1.18 KB	-rw-r--r--	2016-01-11 00:01
cs53l32a.h	1.17 KB	-rw-r--r--	2016-01-11 00:01
cx2341x.h	9.78 KB	-rw-r--r--	2016-01-11 00:01
cx25840.h	5.38 KB	-rw-r--r--	2016-01-11 00:01
exynos-fimc.h	4.75 KB	-rw-r--r--	2016-01-11 00:01
gpio-ir-recv.h	733 B	-rw-r--r--	2016-01-11 00:01
i2c-addr.h	1.18 KB	-rw-r--r--	2016-01-11 00:01
ir-kbd-i2c.h	1.29 KB	-rw-r--r--	2016-01-11 00:01
ir-rx51.h	163 B	-rw-r--r--	2016-01-11 00:01
lirc.h	6.27 KB	-rw-r--r--	2016-01-11 00:01
lirc_dev.h	6.57 KB	-rw-r--r--	2016-01-11 00:01
lm3560.h	2.7 KB	-rw-r--r--	2016-01-11 00:01
lm3646.h	2.52 KB	-rw-r--r--	2016-01-11 00:01
m52790.h	2.72 KB	-rw-r--r--	2016-01-11 00:01
m5mols.h	1.05 KB	-rw-r--r--	2016-01-11 00:01
media-device.h	3.22 KB	-rw-r--r--	2016-01-11 00:01
media-devnode.h	3.21 KB	-rw-r--r--	2016-01-11 00:01
media-entity.h	5.46 KB	-rw-r--r--	2016-01-11 00:01
mmp-camera.h	179 B	-rw-r--r--	2016-01-11 00:01
msp3400.h	8.29 KB	-rw-r--r--	2016-01-11 00:01
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noon010pc30.h	727 B	-rw-r--r--	2016-01-11 00:01
omap1_camera.h	880 B	-rw-r--r--	2016-01-11 00:01
omap4iss.h	1.42 KB	-rw-r--r--	2016-01-11 00:01
ov2659.h	1.08 KB	-rw-r--r--	2016-01-11 00:01
ov7670.h	615 B	-rw-r--r--	2016-01-11 00:01
ov772x.h	1.4 KB	-rw-r--r--	2016-01-11 00:01
ov9650.h	874 B	-rw-r--r--	2016-01-11 00:01
rc-core.h	9.15 KB	-rw-r--r--	2016-01-11 00:01
rc-map.h	10.15 KB	-rw-r--r--	2016-01-11 00:01
rj54n1cb0c.h	425 B	-rw-r--r--	2016-01-11 00:01
s3c_camif.h	1.29 KB	-rw-r--r--	2016-01-11 00:01
s5c73m3.h	1.54 KB	-rw-r--r--	2016-01-11 00:01
s5k4ecgx.h	892 B	-rw-r--r--	2016-01-11 00:01
s5k6aa.h	1.4 KB	-rw-r--r--	2016-01-11 00:01
s5p_hdmi.h	985 B	-rw-r--r--	2016-01-11 00:01
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saa7146_vv.h	7.48 KB	-rw-r--r--	2016-01-11 00:01
sh_mobile_ceu.h	866 B	-rw-r--r--	2016-01-11 00:01
sh_mobile_csi2.h	986 B	-rw-r--r--	2016-01-11 00:01
sh_vou.h	716 B	-rw-r--r--	2016-01-11 00:01
si4713.h	1.36 KB	-rw-r--r--	2016-01-11 00:01
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sii9234.h	590 B	-rw-r--r--	2016-01-11 00:01
smiapp.h	2.45 KB	-rw-r--r--	2016-01-11 00:01
soc_camera.h	13.57 KB	-rw-r--r--	2016-01-11 00:01
soc_camera_platform.h	1.93 KB	-rw-r--r--	2016-01-11 00:01
soc_mediabus.h	3.5 KB	-rw-r--r--	2016-01-11 00:01
sr030pc30.h	628 B	-rw-r--r--	2016-01-11 00:01
tc358743.h	3.88 KB	-rw-r--r--	2016-01-11 00:01
tea575x.h	2.89 KB	-rw-r--r--	2016-01-11 00:01
ths7303.h	1.18 KB	-rw-r--r--	2016-01-11 00:01
timb_radio.h	994 B	-rw-r--r--	2016-01-11 00:01
timb_video.h	1.01 KB	-rw-r--r--	2016-01-11 00:01
tuner-types.h	6.93 KB	-rw-r--r--	2016-01-11 00:01
tuner.h	8.82 KB	-rw-r--r--	2016-01-11 00:01
tvaudio.h	1.39 KB	-rw-r--r--	2016-01-11 00:01
tveeprom.h	3.27 KB	-rw-r--r--	2016-01-11 00:01
tvp514x.h	2.76 KB	-rw-r--r--	2016-01-11 00:01
tvp5150.h	1.04 KB	-rw-r--r--	2016-01-11 00:01
tvp7002.h	2.07 KB	-rw-r--r--	2016-01-11 00:01
tw9910.h	784 B	-rw-r--r--	2016-01-11 00:01
uda1342.h	960 B	-rw-r--r--	2016-01-11 00:01
upd64031a.h	1.32 KB	-rw-r--r--	2016-01-11 00:01
upd64083.h	2.23 KB	-rw-r--r--	2016-01-11 00:01
v4l2-async.h	2.8 KB	-rw-r--r--	2016-01-11 00:01
v4l2-clk.h	1.98 KB	-rw-r--r--	2016-01-11 00:01
v4l2-common.h	6.41 KB	-rw-r--r--	2016-01-11 00:01
v4l2-ctrls.h	33.24 KB	-rw-r--r--	2016-01-11 00:01
v4l2-dev.h	7.29 KB	-rw-r--r--	2016-01-11 00:01
v4l2-device.h	7.57 KB	-rw-r--r--	2016-01-11 00:01
v4l2-dv-timings.h	7.07 KB	-rw-r--r--	2016-01-11 00:01
v4l2-event.h	5.22 KB	-rw-r--r--	2016-01-11 00:01
v4l2-fh.h	3.36 KB	-rw-r--r--	2016-01-11 00:01
v4l2-flash-led-class.h	4.56 KB	-rw-r--r--	2016-01-11 00:01
v4l2-image-sizes.h	864 B	-rw-r--r--	2016-01-11 00:01
v4l2-ioctl.h	13.58 KB	-rw-r--r--	2016-01-11 00:01
v4l2-mediabus.h	3.94 KB	-rw-r--r--	2016-01-11 00:01
v4l2-mem2mem.h	8.56 KB	-rw-r--r--	2016-01-11 00:01
v4l2-of.h	3.52 KB	-rw-r--r--	2016-01-11 00:01
v4l2-subdev.h	31.48 KB	-rw-r--r--	2016-01-11 00:01
videobuf-core.h	6.99 KB	-rw-r--r--	2016-01-11 00:01
videobuf-dma-contig.h	1.04 KB	-rw-r--r--	2016-01-11 00:01
videobuf-dma-sg.h	2.94 KB	-rw-r--r--	2016-01-11 00:01
videobuf-dvb.h	1.67 KB	-rw-r--r--	2016-01-11 00:01
videobuf-vmalloc.h	1.29 KB	-rw-r--r--	2016-01-11 00:01
videobuf2-core.h	23.61 KB	-rw-r--r--	2018-04-02 18:07
videobuf2-dma-contig.h	831 B	-rw-r--r--	2016-01-11 00:01
videobuf2-dma-sg.h	790 B	-rw-r--r--	2016-01-11 00:01
videobuf2-dvb.h	1.64 KB	-rw-r--r--	2016-01-11 00:01
videobuf2-memops.h	1.06 KB	-rw-r--r--	2016-01-11 00:01
videobuf2-v4l2.h	5.27 KB	-rw-r--r--	2016-01-11 00:01
videobuf2-vmalloc.h	509 B	-rw-r--r--	2016-01-11 00:01
wm8775.h	1.36 KB	-rw-r--r--	2016-01-11 00:01

Rename

/*
    V4L2 device support header.

This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _V4L2_DEVICE_H
#define _V4L2_DEVICE_H

#include <media/media-device.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-dev.h>

/* Each instance of a V4L2 device should create the v4l2_device struct,
   either stand-alone or embedded in a larger struct.

It allows easy access to sub-devices (see v4l2-subdev.h) and provides
   basic V4L2 device-level support.
 */

#define V4L2_DEVICE_NAME_SIZE (20 + 16)

struct v4l2_ctrl_handler;

struct v4l2_device {
	/* dev->driver_data points to this struct.
	   Note: dev might be NULL if there is no parent device
	   as is the case with e.g. ISA devices. */
	struct device *dev;
#if defined(CONFIG_MEDIA_CONTROLLER)
	struct media_device *mdev;
#endif
	/* used to keep track of the registered subdevs */
	struct list_head subdevs;
	/* lock this struct; can be used by the driver as well if this
	   struct is embedded into a larger struct. */
	spinlock_t lock;
	/* unique device name, by default the driver name + bus ID */
	char name[V4L2_DEVICE_NAME_SIZE];
	/* notify callback called by some sub-devices. */
	void (*notify)(struct v4l2_subdev *sd,
			unsigned int notification, void *arg);
	/* The control handler. May be NULL. */
	struct v4l2_ctrl_handler *ctrl_handler;
	/* Device's priority state */
	struct v4l2_prio_state prio;
	/* Keep track of the references to this struct. */
	struct kref ref;
	/* Release function that is called when the ref count goes to 0. */
	void (*release)(struct v4l2_device *v4l2_dev);
};

static inline void v4l2_device_get(struct v4l2_device *v4l2_dev)
{
	kref_get(&v4l2_dev->ref);
}

int v4l2_device_put(struct v4l2_device *v4l2_dev);

/* Initialize v4l2_dev and make dev->driver_data point to v4l2_dev.
   dev may be NULL in rare cases (ISA devices). In that case you
   must fill in the v4l2_dev->name field before calling this function. */
int __must_check v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev);

/* Optional function to initialize the name field of struct v4l2_device using
   the driver name and a driver-global atomic_t instance.
   This function will increment the instance counter and returns the instance
   value used in the name.

Example:

static atomic_t drv_instance = ATOMIC_INIT(0);

...

instance = v4l2_device_set_name(&v4l2_dev, "foo", &drv_instance);

The first time this is called the name field will be set to foo0 and
   this function returns 0. If the name ends with a digit (e.g. cx18),
   then the name will be set to cx18-0 since cx180 looks really odd. */
int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename,
						atomic_t *instance);

/* Set v4l2_dev->dev to NULL. Call when the USB parent disconnects.
   Since the parent disappears this ensures that v4l2_dev doesn't have an
   invalid parent pointer. */
void v4l2_device_disconnect(struct v4l2_device *v4l2_dev);

/* Unregister all sub-devices and any other resources related to v4l2_dev. */
void v4l2_device_unregister(struct v4l2_device *v4l2_dev);

/* Register a subdev with a v4l2 device. While registered the subdev module
   is marked as in-use. An error is returned if the module is no longer
   loaded when you attempt to register it. */
int __must_check v4l2_device_register_subdev(struct v4l2_device *v4l2_dev,
						struct v4l2_subdev *sd);
/* Unregister a subdev with a v4l2 device. Can also be called if the subdev
   wasn't registered. In that case it will do nothing. */
void v4l2_device_unregister_subdev(struct v4l2_subdev *sd);

/* Register device nodes for all subdev of the v4l2 device that are marked with
 * the V4L2_SUBDEV_FL_HAS_DEVNODE flag.
 */
int __must_check
v4l2_device_register_subdev_nodes(struct v4l2_device *v4l2_dev);

/* Send a notification to v4l2_device. */
static inline void v4l2_subdev_notify(struct v4l2_subdev *sd,
				      unsigned int notification, void *arg)
{
	if (sd && sd->v4l2_dev && sd->v4l2_dev->notify)
		sd->v4l2_dev->notify(sd, notification, arg);
}

/* Iterate over all subdevs. */
#define v4l2_device_for_each_subdev(sd, v4l2_dev)			\
	list_for_each_entry(sd, &(v4l2_dev)->subdevs, list)

/* Call the specified callback for all subdevs matching the condition.
   Ignore any errors. Note that you cannot add or delete a subdev
   while walking the subdevs list. */
#define __v4l2_device_call_subdevs_p(v4l2_dev, sd, cond, o, f, args...)	\
	do { 								\
		list_for_each_entry((sd), &(v4l2_dev)->subdevs, list)	\
			if ((cond) && (sd)->ops->o && (sd)->ops->o->f)	\
				(sd)->ops->o->f((sd) , ##args);		\
	} while (0)

#define __v4l2_device_call_subdevs(v4l2_dev, cond, o, f, args...)	\
	do {								\
		struct v4l2_subdev *__sd;				\
									\
		__v4l2_device_call_subdevs_p(v4l2_dev, __sd, cond, o,	\
						f , ##args);		\
	} while (0)

/* Call the specified callback for all subdevs matching the condition.
   If the callback returns an error other than 0 or -ENOIOCTLCMD, then
   return with that error code. Note that you cannot add or delete a
   subdev while walking the subdevs list. */
#define __v4l2_device_call_subdevs_until_err_p(v4l2_dev, sd, cond, o, f, args...) \
({ 									\
	long __err = 0;							\
									\
	list_for_each_entry((sd), &(v4l2_dev)->subdevs, list) {		\
		if ((cond) && (sd)->ops->o && (sd)->ops->o->f)		\
			__err = (sd)->ops->o->f((sd) , ##args);		\
		if (__err && __err != -ENOIOCTLCMD)			\
			break; 						\
	} 								\
	(__err == -ENOIOCTLCMD) ? 0 : __err;				\
})

#define __v4l2_device_call_subdevs_until_err(v4l2_dev, cond, o, f, args...) \
({									\
	struct v4l2_subdev *__sd;					\
	__v4l2_device_call_subdevs_until_err_p(v4l2_dev, __sd, cond, o,	\
						f , ##args);		\
})

/* Call the specified callback for all subdevs matching grp_id (if 0, then
   match them all). Ignore any errors. Note that you cannot add or delete
   a subdev while walking the subdevs list. */
#define v4l2_device_call_all(v4l2_dev, grpid, o, f, args...)		\
	do {								\
		struct v4l2_subdev *__sd;				\
									\
		__v4l2_device_call_subdevs_p(v4l2_dev, __sd,		\
			!(grpid) || __sd->grp_id == (grpid), o, f ,	\
			##args);					\
	} while (0)

/* Call the specified callback for all subdevs matching grp_id (if 0, then
   match them all). If the callback returns an error other than 0 or
   -ENOIOCTLCMD, then return with that error code. Note that you cannot
   add or delete a subdev while walking the subdevs list. */
#define v4l2_device_call_until_err(v4l2_dev, grpid, o, f, args...) 	\
({									\
	struct v4l2_subdev *__sd;					\
	__v4l2_device_call_subdevs_until_err_p(v4l2_dev, __sd,		\
			!(grpid) || __sd->grp_id == (grpid), o, f ,	\
			##args);					\
})

#define v4l2_device_has_op(v4l2_dev, o, f)				\
({									\
	struct v4l2_subdev *__sd;					\
	bool __result = false;						\
	list_for_each_entry(__sd, &(v4l2_dev)->subdevs, list) {		\
		if (v4l2_subdev_has_op(__sd, o, f)) {			\
			__result = true;				\
			break;						\
		}							\
	}								\
	__result;							\
})

#endif