diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/device/device.h | 4 | ||||
| -rw-r--r-- | src/include/fw_config.h | 53 |
2 files changed, 57 insertions, 0 deletions
diff --git a/src/include/device/device.h b/src/include/device/device.h index 46efbfe679..082dcbb4d3 100644 --- a/src/include/device/device.h +++ b/src/include/device/device.h @@ -8,6 +8,7 @@ #include <smbios.h> #include <types.h> +struct fw_config; struct device; struct pci_operations; struct i2c_bus_operations; @@ -147,6 +148,9 @@ struct device { #endif #endif DEVTREE_CONST void *chip_info; + + /* Zero-terminated array of fields and options to probe. */ + DEVTREE_CONST struct fw_config *probe_list; }; /** diff --git a/src/include/fw_config.h b/src/include/fw_config.h new file mode 100644 index 0000000000..d41afd6c5d --- /dev/null +++ b/src/include/fw_config.h @@ -0,0 +1,53 @@ +/* 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__ */ |