include/linux/counter_enum.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Counter interface enum functions
   4  * Copyright (C) 2018 William Breathitt Gray
   5  */
   6 #ifndef _COUNTER_ENUM_H_
   7 #define _COUNTER_ENUM_H_
   8
   9 #include <linux/types.h>
  10
  11 struct counter_device;
  12 struct counter_signal;
  13 struct counter_count;
  14
  15 ssize_t counter_signal_enum_read(struct counter_device *counter,
  16                                  struct counter_signal *signal, void *priv,
  17                                  char *buf);
  18 ssize_t counter_signal_enum_write(struct counter_device *counter,
  19                                   struct counter_signal *signal, void *priv,
  20                                   const char *buf, size_t len);
  21
  22 ssize_t counter_signal_enum_available_read(struct counter_device *counter,
  23                                            struct counter_signal *signal,
  24                                            void *priv, char *buf);
  25
  26 ssize_t counter_count_enum_read(struct counter_device *counter,
  27                                 struct counter_count *count, void *priv,
  28                                 char *buf);
  29 ssize_t counter_count_enum_write(struct counter_device *counter,
  30                                  struct counter_count *count, void *priv,
  31                                  const char *buf, size_t len);
  32
  33 ssize_t counter_count_enum_available_read(struct counter_device *counter,
  34                                           struct counter_count *count,
  35                                           void *priv, char *buf);
  36
  37 ssize_t counter_device_enum_read(struct counter_device *counter, void *priv,
  38                                  char *buf);
  39 ssize_t counter_device_enum_write(struct counter_device *counter, void *priv,
  40                                   const char *buf, size_t len);
  41
  42 ssize_t counter_device_enum_available_read(struct counter_device *counter,
  43                                            void *priv, char *buf);
  44
  45 #endif /* _COUNTER_ENUM_H_ */