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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __BOOTSOURCE_H__
#define __BOOTSOURCE_H__
enum bootsource {
BOOTSOURCE_UNKNOWN,
BOOTSOURCE_NAND,
BOOTSOURCE_NOR,
BOOTSOURCE_MMC,
BOOTSOURCE_I2C,
BOOTSOURCE_I2C_EEPROM,
BOOTSOURCE_SPI,
BOOTSOURCE_SPI_EEPROM,
BOOTSOURCE_SPI_NOR,
BOOTSOURCE_SPI_NAND,
BOOTSOURCE_SERIAL,
BOOTSOURCE_ONENAND,
BOOTSOURCE_HD,
BOOTSOURCE_USB,
BOOTSOURCE_NET,
BOOTSOURCE_CAN,
BOOTSOURCE_JTAG,
BOOTSOURCE_MAX,
};
#define BOOTSOURCE_INSTANCE_UNKNOWN -1
enum bootsource bootsource_get(void);
enum bootsource bootsource_get_device(void);
int bootsource_get_instance(void);
void bootsource_set_alias_name(const char *name);
char *bootsource_get_alias_name(void);
const char *bootsource_to_string(enum bootsource src);
const char *bootsource_get_alias_stem(enum bootsource bs);
int bootsource_of_alias_xlate(enum bootsource bs, int instance);
struct device_node *bootsource_of_node_get(struct device_node *root);
/**
* bootsource_set - set bootsource with optional DT mapping table
* @bs: bootrom reported bootsource
* @instance: bootrom reported instance
*
* Returns computed bootsource instace
*
* Normal bootsource_set_raw_instance() expects numbering used by
* bootrom for instance to align with DT aliases, e.g.
* $bootsource = "mmc" && $bootsource_instance = 1 -> /aliases/mmc1
* bootsource_set() will instead consult
* /aliases/barebox,bootsource-mmc1 which may point at a different
* device than mmc1. In absence of appropriate barebox,bootsource-*
* chosen property, instance is set without translation.
*/
int bootsource_set(enum bootsource bs, int instance);
/**
* bootsource_set_raw - set bootsource as-is
* @bs: bootsource to report
* @instance: bootsource instance to report
*
* This sets bootsource and bootsource_instance directly.
* Preferably, use bootsource_set in new code.
*/
void bootsource_set_raw(enum bootsource src, int instance);
/**
* bootsource_set_raw_instance - set bootsource_instance as-is
* @bs: bootrom reported bootsource
* @instance: bootrom reported instance
*
* This directly sets bootsource_instance without changing bootsource.
*/
void bootsource_set_raw_instance(int instance);
#endif /* __BOOTSOURCE_H__ */
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