| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #ifndef __FW_CONFIG__ |
| #define __FW_CONFIG__ |
| |
| #include <device/device.h> |
| #include <static.h> /* Provides fw_config definitions from devicetree.cb */ |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| /** |
| * struct fw_config - Firmware configuration field and option. |
| * @field_name: Name of the field that this option belongs to. |
| * @option_name: Name of the option within this field. |
| * @mask: Bitmask of the field. |
| * @value: Value of the option within the mask. |
| */ |
| struct fw_config { |
| const char *field_name; |
| const char *option_name; |
| uint32_t mask; |
| uint32_t value; |
| }; |
| |
| /* Generate a pointer to a compound literal of the fw_config structure. */ |
| #define FW_CONFIG(__field, __option) (&(const struct fw_config) { \ |
| .field_name = FW_CONFIG_FIELD_##__field##_NAME, \ |
| .option_name = FW_CONFIG_FIELD_##__field##_OPTION_##__option##_NAME, \ |
| .mask = FW_CONFIG_FIELD_##__field##_MASK, \ |
| .value = FW_CONFIG_FIELD_##__field##_OPTION_##__option##_VALUE \ |
| }) |
| |
| #if CONFIG(FW_CONFIG) |
| |
| /** |
| * fw_config_probe() - Check if field and option matches. |
| * @match: Structure containing field and option to probe. |
| * |
| * Return %true if match is found, %false if match is not found. |
| */ |
| bool fw_config_probe(const struct fw_config *match); |
| |
| #else |
| |
| static inline bool fw_config_probe(const struct fw_config *match) |
| { |
| /* Always return true when probing with disabled fw_config. */ |
| return true; |
| } |
| |
| #endif /* CONFIG(FW_CONFIG) */ |
| |
| #endif /* __FW_CONFIG__ */ |