54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
|
/* 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__ */
|