linux/drivers/media/cec/core/cec-api.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * cec-api.c - HDMI Consumer Electronics Control framework - API
 *
 * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
 */

#include <linux/errno.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/kmod.h>
#include <linux/ktime.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/version.h>

#include <media/cec-pin.h>
#include "cec-priv.h"
#include "cec-pin-priv.h"

static inline struct cec_devnode *cec_devnode_data(struct file *filp)
{ … }

/* CEC file operations */

static __poll_t cec_poll(struct file *filp,
			     struct poll_table_struct *poll)
{ … }

static bool cec_is_busy(const struct cec_adapter *adap,
			const struct cec_fh *fh)
{ … }

static long cec_adap_g_caps(struct cec_adapter *adap,
			    struct cec_caps __user *parg)
{ … }

static long cec_adap_g_phys_addr(struct cec_adapter *adap,
				 __u16 __user *parg)
{ … }

static int cec_validate_phys_addr(u16 phys_addr)
{ … }

static long cec_adap_s_phys_addr(struct cec_adapter *adap, struct cec_fh *fh,
				 bool block, __u16 __user *parg)
{ … }

static long cec_adap_g_log_addrs(struct cec_adapter *adap,
				 struct cec_log_addrs __user *parg)
{ … }

static long cec_adap_s_log_addrs(struct cec_adapter *adap, struct cec_fh *fh,
				 bool block, struct cec_log_addrs __user *parg)
{ … }

static long cec_adap_g_connector_info(struct cec_adapter *adap,
				      struct cec_log_addrs __user *parg)
{ … }

static long cec_transmit(struct cec_adapter *adap, struct cec_fh *fh,
			 bool block, struct cec_msg __user *parg)
{ … }

/* Called by CEC_RECEIVE: wait for a message to arrive */
static int cec_receive_msg(struct cec_fh *fh, struct cec_msg *msg, bool block)
{ … }

static long cec_receive(struct cec_adapter *adap, struct cec_fh *fh,
			bool block, struct cec_msg __user *parg)
{ … }

static long cec_dqevent(struct cec_adapter *adap, struct cec_fh *fh,
			bool block, struct cec_event __user *parg)
{ … }

static long cec_g_mode(struct cec_adapter *adap, struct cec_fh *fh,
		       u32 __user *parg)
{ … }

static long cec_s_mode(struct cec_adapter *adap, struct cec_fh *fh,
		       u32 __user *parg)
{ … }

static long cec_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{ … }

static int cec_open(struct inode *inode, struct file *filp)
{ … }

/* Override for the release function */
static int cec_release(struct inode *inode, struct file *filp)
{ … }

const struct file_operations cec_devnode_fops = …;