drivers/media/cec/core/cec-priv.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * cec-priv.h - HDMI Consumer Electronics Control internal header
   4  *
   5  * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
   6  */
   7
   8 #ifndef _CEC_PRIV_H
   9 #define _CEC_PRIV_H
  10
  11 #include <linux/cec-funcs.h>
  12 #include <media/cec-notifier.h>
  13
  14 #define dprintk(lvl, fmt, arg...)                                       \
  15         do {                                                            \
  16                 if (lvl <= cec_debug)                                   \
  17                         pr_info("cec-%s: " fmt, adap->name, ## arg);    \
  18         } while (0)
  19
  20 #define call_op(adap, op, arg...)                                       \
  21         ((adap->ops->op && !adap->devnode.unregistered) ?               \
  22          adap->ops->op(adap, ## arg) : 0)
  23
  24 #define call_void_op(adap, op, arg...)                                  \
  25         do {                                                            \
  26                 if (adap->ops->op && !adap->devnode.unregistered)       \
  27                         adap->ops->op(adap, ## arg);                    \
  28         } while (0)
  29
  30 /* devnode to cec_adapter */
  31 #define to_cec_adapter(node) container_of(node, struct cec_adapter, devnode)
  32
  33 static inline bool msg_is_raw(const struct cec_msg *msg)
  34 {
  35         return msg->flags & CEC_MSG_FL_RAW;
  36 }
  37
  38 /* cec-core.c */
  39 extern int cec_debug;
  40 int cec_get_device(struct cec_devnode *devnode);
  41 void cec_put_device(struct cec_devnode *devnode);
  42
  43 /* cec-adap.c */
  44 int cec_monitor_all_cnt_inc(struct cec_adapter *adap);
  45 void cec_monitor_all_cnt_dec(struct cec_adapter *adap);
  46 int cec_monitor_pin_cnt_inc(struct cec_adapter *adap);
  47 void cec_monitor_pin_cnt_dec(struct cec_adapter *adap);
  48 int cec_adap_status(struct seq_file *file, void *priv);
  49 int cec_thread_func(void *_adap);
  50 void __cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block);
  51 int __cec_s_log_addrs(struct cec_adapter *adap,
  52                       struct cec_log_addrs *log_addrs, bool block);
  53 int cec_transmit_msg_fh(struct cec_adapter *adap, struct cec_msg *msg,
  54                         struct cec_fh *fh, bool block);
  55 void cec_queue_event_fh(struct cec_fh *fh,
  56                         const struct cec_event *new_ev, u64 ts);
  57
  58 /* cec-api.c */
  59 extern const struct file_operations cec_devnode_fops;
  60
  61 #endif