mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-23 09:56:00 +00:00
ee7e987133
Drop the separate cec-edid.h header and merge it into cec.h. There was really no need to have a separate header for this. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* This program is free software; you may redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#ifndef LINUX_CEC_NOTIFIER_H
|
|
#define LINUX_CEC_NOTIFIER_H
|
|
|
|
#include <linux/types.h>
|
|
#include <media/cec.h>
|
|
|
|
struct device;
|
|
struct edid;
|
|
struct cec_adapter;
|
|
struct cec_notifier;
|
|
|
|
#ifdef CONFIG_MEDIA_CEC_NOTIFIER
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
struct cec_notifier *cec_notifier_get(struct device *dev);
|
|
|
|
/**
|
|
* cec_notifier_put - decrease refcount and delete when the refcount reaches 0.
|
|
* @n: notifier
|
|
*/
|
|
void cec_notifier_put(struct cec_notifier *n);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
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.
|
|
*/
|
|
void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
|
|
const struct edid *edid);
|
|
|
|
/**
|
|
* cec_notifier_register - register a callback with the notifier
|
|
* @n: the CEC notifier
|
|
* @adap: the CEC adapter, passed as argument to the callback function
|
|
* @callback: the callback function
|
|
*/
|
|
void cec_notifier_register(struct cec_notifier *n,
|
|
struct cec_adapter *adap,
|
|
void (*callback)(struct cec_adapter *adap, u16 pa));
|
|
|
|
/**
|
|
* cec_notifier_unregister - unregister the callback from the notifier.
|
|
* @n: the CEC notifier
|
|
*/
|
|
void cec_notifier_unregister(struct cec_notifier *n);
|
|
|
|
#else
|
|
static inline struct cec_notifier *cec_notifier_get(struct device *dev)
|
|
{
|
|
/* 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 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)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|