diff options
Diffstat (limited to 'include/linux/counter.h')
| -rw-r--r-- | include/linux/counter.h | 76 |
1 files changed, 10 insertions, 66 deletions
diff --git a/include/linux/counter.h b/include/linux/counter.h index a061cdcdef7c..9dbd5df4cd34 100644 --- a/include/linux/counter.h +++ b/include/linux/counter.h @@ -290,53 +290,22 @@ struct counter_device_state { const struct attribute_group **groups; }; -/** - * struct counter_signal_read_value - Opaque Signal read value - * @buf: string representation of Signal read value - * @len: length of string in @buf - */ -struct counter_signal_read_value { - char *buf; - size_t len; -}; - -/** - * struct counter_count_read_value - Opaque Count read value - * @buf: string representation of Count read value - * @len: length of string in @buf - */ -struct counter_count_read_value { - char *buf; - size_t len; -}; - -/** - * struct counter_count_write_value - Opaque Count write value - * @buf: string representation of Count write value - */ -struct counter_count_write_value { - const char *buf; +enum counter_signal_value { + COUNTER_SIGNAL_LOW = 0, + COUNTER_SIGNAL_HIGH }; /** * struct counter_ops - Callbacks from driver * @signal_read: optional read callback for Signal attribute. The read * value of the respective Signal should be passed back via - * the val parameter. val points to an opaque type which - * should be set only by calling the - * counter_signal_read_value_set function from within the - * signal_read callback. + * the val parameter. * @count_read: optional read callback for Count attribute. The read * value of the respective Count should be passed back via - * the val parameter. val points to an opaque type which - * should be set only by calling the - * counter_count_read_value_set function from within the - * count_read callback. + * the val parameter. * @count_write: optional write callback for Count attribute. The write * value for the respective Count is passed in via the val - * parameter. val points to an opaque type which should be - * accessed only by calling the - * counter_count_write_value_get function. + * parameter. * @function_get: function to get the current count function mode. Returns * 0 on success and negative error code on error. The index * of the respective Count's returned function mode should @@ -346,7 +315,7 @@ struct counter_count_write_value { * Count's functions_list array. * @action_get: function to get the current action mode. Returns 0 on * success and negative error code on error. The index of - * the respective Signal's returned action mode should be + * the respective Synapse's returned action mode should be * passed back via the action parameter. * @action_set: function to set the action mode. action is the index of * the requested action mode from the respective Synapse's @@ -355,13 +324,11 @@ struct counter_count_write_value { struct counter_ops { int (*signal_read)(struct counter_device *counter, struct counter_signal *signal, - struct counter_signal_read_value *val); + enum counter_signal_value *val); int (*count_read)(struct counter_device *counter, - struct counter_count *count, - struct counter_count_read_value *val); + struct counter_count *count, unsigned long *val); int (*count_write)(struct counter_device *counter, - struct counter_count *count, - struct counter_count_write_value *val); + struct counter_count *count, unsigned long val); int (*function_get)(struct counter_device *counter, struct counter_count *count, size_t *function); int (*function_set)(struct counter_device *counter, @@ -477,29 +444,6 @@ struct counter_device { void *priv; }; -enum counter_signal_level { - COUNTER_SIGNAL_LEVEL_LOW = 0, - COUNTER_SIGNAL_LEVEL_HIGH -}; - -enum counter_signal_value_type { - COUNTER_SIGNAL_LEVEL = 0 -}; - -enum counter_count_value_type { - COUNTER_COUNT_POSITION = 0, -}; - -void counter_signal_read_value_set(struct counter_signal_read_value *const val, - const enum counter_signal_value_type type, - void *const data); -void counter_count_read_value_set(struct counter_count_read_value *const val, - const enum counter_count_value_type type, - void *const data); -int counter_count_write_value_get(void *const data, - const enum counter_count_value_type type, - const struct counter_count_write_value *const val); - int counter_register(struct counter_device *const counter); void counter_unregister(struct counter_device *const counter); int devm_counter_register(struct device *dev, |