1 // SPDX-License-Identifier: GPL-2.0-only
3  * drivers/mfd/si476x-prop.c -- Subroutines to access
13 #include <linux/mfd/si476x-core.h>
19 static bool si476x_core_element_is_in_array(u16 element,  in si476x_core_element_is_in_array()
32 static bool si476x_core_element_is_in_range(u16 element,  in si476x_core_element_is_in_range()
45 static bool si476x_core_is_valid_property_a10(struct si476x_core *core,  in si476x_core_is_valid_property_a10()
46 					      u16 property)  in si476x_core_is_valid_property_a10()  argument
80 	return	si476x_core_element_is_in_range(property, valid_ranges,  in si476x_core_is_valid_property_a10()
82 		si476x_core_element_is_in_array(property, valid_properties,  in si476x_core_is_valid_property_a10()
86 static bool si476x_core_is_valid_property_a20(struct si476x_core *core,  in si476x_core_is_valid_property_a20()
87 					      u16 property)  in si476x_core_is_valid_property_a20()  argument
100 	return	si476x_core_is_valid_property_a10(core, property) ||  in si476x_core_is_valid_property_a20()
101 		si476x_core_element_is_in_range(property, valid_ranges,  in si476x_core_is_valid_property_a20()
103 		si476x_core_element_is_in_array(property, valid_properties,  in si476x_core_is_valid_property_a20()
107 static bool si476x_core_is_valid_property_a30(struct si476x_core *core,  in si476x_core_is_valid_property_a30()
108 					      u16 property)  in si476x_core_is_valid_property_a30()  argument
126 	return	si476x_core_is_valid_property_a20(core, property) ||  in si476x_core_is_valid_property_a30()
127 		si476x_core_element_is_in_range(property, valid_ranges,  in si476x_core_is_valid_property_a30()
129 		si476x_core_element_is_in_array(property, valid_properties,  in si476x_core_is_valid_property_a30()
133 typedef bool (*valid_property_pred_t) (struct si476x_core *, u16);
135 static bool si476x_core_is_valid_property(struct si476x_core *core,  in si476x_core_is_valid_property()
136 					  u16 property)  in si476x_core_is_valid_property()  argument
144 	BUG_ON(core->revision > SI476X_REVISION_A30 ||  in si476x_core_is_valid_property()
145 	       core->revision == -1);  in si476x_core_is_valid_property()
146 	return is_valid_property[core->revision](core, property);  in si476x_core_is_valid_property()
150 static bool si476x_core_is_readonly_property(struct si476x_core *core,  in si476x_core_is_readonly_property()
151 					     u16 property)  in si476x_core_is_readonly_property()  argument
153 	BUG_ON(core->revision > SI476X_REVISION_A30 ||  in si476x_core_is_readonly_property()
154 	       core->revision == -1);  in si476x_core_is_readonly_property()
156 	switch (core->revision) {  in si476x_core_is_readonly_property()
158 		return (property == 0x3200);  in si476x_core_is_readonly_property()
160 		return (property == 0x1006 ||  in si476x_core_is_readonly_property()
161 			property == 0x2210 ||  in si476x_core_is_readonly_property()
162 			property == 0x3200);  in si476x_core_is_readonly_property()
170 static bool si476x_core_regmap_readable_register(struct device *dev,  in si476x_core_regmap_readable_register()
180 static bool si476x_core_regmap_writable_register(struct device *dev,  in si476x_core_regmap_writable_register()
230 	return devm_regmap_init(&core->client->dev, NULL,  in devm_regmap_init_si476x()