Geforce File Manager

NAME	SIZE	ACTIONS
📁 davinci		[ DEL ]
📁 drv-intf		[ DEL ]
📁 i2c		[ DEL ]
📁 tpg		[ DEL ]
📄 cec-notifier.h	6,678 B	[ EDIT ] \| [ DEL ]
📄 cec-pin.h	2,947 B	[ EDIT ] \| [ DEL ]
📄 cec.h	18,397 B	[ EDIT ] \| [ DEL ]
📄 demux.h	23,237 B	[ EDIT ] \| [ DEL ]
📄 dmxdev.h	6,034 B	[ EDIT ] \| [ DEL ]
📄 dvb-usb-ids.h	18,204 B	[ EDIT ] \| [ DEL ]
📄 dvb_ca_en50221.h	4,455 B	[ EDIT ] \| [ DEL ]
📄 dvb_demux.h	11,033 B	[ EDIT ] \| [ DEL ]
📄 dvb_frontend.h	29,701 B	[ EDIT ] \| [ DEL ]
📄 dvb_math.h	1,811 B	[ EDIT ] \| [ DEL ]
📄 dvb_net.h	2,583 B	[ EDIT ] \| [ DEL ]
📄 dvb_ringbuffer.h	8,524 B	[ EDIT ] \| [ DEL ]
📄 dvb_vb2.h	7,838 B	[ EDIT ] \| [ DEL ]
📄 dvbdev.h	15,089 B	[ EDIT ] \| [ DEL ]
📄 frame_vector.h	1,447 B	[ EDIT ] \| [ DEL ]
📄 imx.h	396 B	[ EDIT ] \| [ DEL ]
📄 media-device.h	16,113 B	[ EDIT ] \| [ DEL ]
📄 media-devnode.h	5,814 B	[ EDIT ] \| [ DEL ]
📄 media-entity.h	35,421 B	[ EDIT ] \| [ DEL ]
📄 rc-core.h	13,211 B	[ EDIT ] \| [ DEL ]
📄 rc-map.h	12,806 B	[ EDIT ] \| [ DEL ]
📄 rcar-fcp.h	1,342 B	[ EDIT ] \| [ DEL ]
📄 soc_camera.h	13,300 B	[ EDIT ] \| [ DEL ]
📄 tuner-types.h	7,723 B	[ EDIT ] \| [ DEL ]
📄 tuner.h	9,059 B	[ EDIT ] \| [ DEL ]
📄 tveeprom.h	3,370 B	[ EDIT ] \| [ DEL ]
📄 v4l2-async.h	7,649 B	[ EDIT ] \| [ DEL ]
📄 v4l2-clk.h	2,144 B	[ EDIT ] \| [ DEL ]
📄 v4l2-common.h	16,538 B	[ EDIT ] \| [ DEL ]
📄 v4l2-ctrls.h	39,942 B	[ EDIT ] \| [ DEL ]
📄 v4l2-dev.h	16,109 B	[ EDIT ] \| [ DEL ]
📄 v4l2-device.h	18,127 B	[ EDIT ] \| [ DEL ]
📄 v4l2-dv-timings.h	8,887 B	[ EDIT ] \| [ DEL ]
📄 v4l2-event.h	6,277 B	[ EDIT ] \| [ DEL ]
📄 v4l2-fh.h	4,759 B	[ EDIT ] \| [ DEL ]
📄 v4l2-flash-led-class.h	6,034 B	[ EDIT ] \| [ DEL ]
📄 v4l2-fwnode.h	14,184 B	[ EDIT ] \| [ DEL ]
📄 v4l2-image-sizes.h	864 B	[ EDIT ] \| [ DEL ]
📄 v4l2-ioctl.h	32,669 B	[ EDIT ] \| [ DEL ]
📄 v4l2-mc.h	8,213 B	[ EDIT ] \| [ DEL ]
📄 v4l2-mediabus.h	6,234 B	[ EDIT ] \| [ DEL ]
📄 v4l2-mem2mem.h	20,186 B	[ EDIT ] \| [ DEL ]
📄 v4l2-rect.h	4,650 B	[ EDIT ] \| [ DEL ]
📄 v4l2-subdev.h	41,579 B	[ EDIT ] \| [ DEL ]
📄 videobuf-core.h	7,148 B	[ EDIT ] \| [ DEL ]
📄 videobuf-dma-contig.h	1,062 B	[ EDIT ] \| [ DEL ]
📄 videobuf-dma-sg.h	3,009 B	[ EDIT ] \| [ DEL ]
📄 videobuf-vmalloc.h	1,319 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-core.h	45,110 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-dma-contig.h	866 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-dma-sg.h	696 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-dvb.h	1,863 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-memops.h	1,101 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-v4l2.h	10,719 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-vmalloc.h	509 B	[ EDIT ] \| [ DEL ]
📄 vsp1.h	3,288 B	[ EDIT ] \| [ DEL ]

[ CLOSE ]

EDIT: cec-notifier.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * cec-notifier.h - notify CEC drivers of physical address changes
 *
 * Copyright 2016 Russell King <rmk+kernel@arm.linux.org.uk>
 * Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
 */

#ifndef LINUX_CEC_NOTIFIER_H
#define LINUX_CEC_NOTIFIER_H

#include <linux/err.h>
#include <media/cec.h>

struct device;
struct edid;
struct cec_adapter;
struct cec_notifier;

#if IS_REACHABLE(CONFIG_CEC_CORE) && IS_ENABLED(CONFIG_CEC_NOTIFIER)

/**
 * cec_notifier_get_conn - find or create a new cec_notifier for the given
 * device and connector tuple.
 * @dev: device that sends the events.
 * @conn: the connector name from which the event occurs
 *
 * If a notifier for device @dev already exists, then increase the refcount
 * and return that notifier.
 *
 * If it doesn't exist, then allocate a new notifier struct and return a
 * pointer to that new struct.
 *
 * Return NULL if the memory could not be allocated.
 */
struct cec_notifier *cec_notifier_get_conn(struct device *dev,
					   const char *conn);

/**
 * cec_notifier_put - decrease refcount and delete when the refcount reaches 0.
 * @n: notifier
 */
void cec_notifier_put(struct cec_notifier *n);

/**
 * cec_notifier_conn_register - find or create a new cec_notifier for the given
 * HDMI device and connector tuple.
 * @hdmi_dev: HDMI device that sends the events.
 * @conn_name: the connector name from which the event occurs. May be NULL
 * if there is always only one HDMI connector created by the HDMI device.
 * @conn_info: the connector info from which the event occurs (may be NULL)
 *
 * If a notifier for device @dev and connector @conn_name already exists, then
 * increase the refcount and return that notifier.
 *
 * If it doesn't exist, then allocate a new notifier struct and return a
 * pointer to that new struct.
 *
 * Return NULL if the memory could not be allocated.
 */
struct cec_notifier *
cec_notifier_conn_register(struct device *hdmi_dev, const char *conn_name,
			   const struct cec_connector_info *conn_info);

/**
 * cec_notifier_conn_unregister - decrease refcount and delete when the
 * refcount reaches 0.
 * @n: notifier. If NULL, then this function does nothing.
 */
void cec_notifier_conn_unregister(struct cec_notifier *n);

/**
 * cec_notifier_cec_adap_register - find or create a new cec_notifier for the
 * given device.
 * @hdmi_dev: HDMI device that sends the events.
 * @conn_name: the connector name from which the event occurs. May be NULL
 * if there is always only one HDMI connector created by the HDMI device.
 * @adap: the cec adapter that registered this notifier.
 *
 * If a notifier for device @dev and connector @conn_name already exists, then
 * increase the refcount and return that notifier.
 *
 * If it doesn't exist, then allocate a new notifier struct and return a
 * pointer to that new struct.
 *
 * Return NULL if the memory could not be allocated.
 */
struct cec_notifier *
cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *conn_name,
			       struct cec_adapter *adap);

/**
 * cec_notifier_cec_adap_unregister - decrease refcount and delete when the
 * refcount reaches 0.
 * @n: notifier. If NULL, then this function does nothing.
 * @adap: the cec adapter that registered this notifier.
 */
void cec_notifier_cec_adap_unregister(struct cec_notifier *n,
				      struct cec_adapter *adap);

/**
 * cec_notifier_set_phys_addr - set a new physical address.
 * @n: the CEC notifier
 * @pa: the CEC physical address
 *
 * Set a new CEC physical address.
 * Does nothing if @n == NULL.
 */
void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa);

/**
 * cec_notifier_set_phys_addr_from_edid - set parse the PA from the EDID.
 * @n: the CEC notifier
 * @edid: the struct edid pointer
 *
 * Parses the EDID to obtain the new CEC physical address and set it.
 * Does nothing if @n == NULL.
 */
void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
					  const struct edid *edid);

/**
 * cec_notifier_parse_hdmi_phandle - find the hdmi device from "hdmi-phandle"
 * @dev: the device with the "hdmi-phandle" device tree property
 *
 * Returns the device pointer referenced by the "hdmi-phandle" property.
 * Note that the refcount of the returned device is not incremented.
 * This device pointer is only used as a key value in the notifier
 * list, but it is never accessed by the CEC driver.
 */
struct device *cec_notifier_parse_hdmi_phandle(struct device *dev);

#else
static inline struct cec_notifier *cec_notifier_get_conn(struct device *dev,
							 const char *conn)
{
	/* A non-NULL pointer is expected on success */
	return (struct cec_notifier *)0xdeadfeed;
}

static inline void cec_notifier_put(struct cec_notifier *n)
{
}

static inline struct cec_notifier *
cec_notifier_conn_register(struct device *hdmi_dev, const char *conn_name,
			   const struct cec_connector_info *conn_info)
{
	/* A non-NULL pointer is expected on success */
	return (struct cec_notifier *)0xdeadfeed;
}

static inline void cec_notifier_conn_unregister(struct cec_notifier *n)
{
}

static inline struct cec_notifier *
cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *conn_name,
			       struct cec_adapter *adap)
{
	/* A non-NULL pointer is expected on success */
	return (struct cec_notifier *)0xdeadfeed;
}

static inline void cec_notifier_cec_adap_unregister(struct cec_notifier *n,
						    struct cec_adapter *adap)
{
}

static inline void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa)
{
}

static inline void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
							const struct edid *edid)
{
}

static inline struct device *cec_notifier_parse_hdmi_phandle(struct device *dev)
{
	return ERR_PTR(-ENODEV);
}

#endif

/**
 * cec_notifier_get - find or create a new cec_notifier for the given device.
 * @dev: device that sends the events.
 *
 * If a notifier for device @dev already exists, then increase the refcount
 * and return that notifier.
 *
 * If it doesn't exist, then allocate a new notifier struct and return a
 * pointer to that new struct.
 *
 * Return NULL if the memory could not be allocated.
 */
static inline struct cec_notifier *cec_notifier_get(struct device *dev)
{
	return cec_notifier_get_conn(dev, NULL);
}

/**
 * cec_notifier_phys_addr_invalidate() - set the physical address to INVALID
 *
 * @n: the CEC notifier
 *
 * This is a simple helper function to invalidate the physical
 * address. Does nothing if @n == NULL.
 */
static inline void cec_notifier_phys_addr_invalidate(struct cec_notifier *n)
{
	cec_notifier_set_phys_addr(n, CEC_PHYS_ADDR_INVALID);
}

#endif