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Atmosphere/fusee/fusee-primary/src/supplies.c
2018-05-10 06:05:28 -07:00

37 lines
1 KiB
C

/**
* Fusée power supply control code
* ~ktemkin
*/
#include "lib/driver_utils.h"
#include "supplies.h"
// FIXME: replace hwinit with our own code
#include "hwinit/max7762x.h"
/**
* Enables a given power supply.
*
* @param supply The power domain on the Switch that is to be enabled.
* @param use_low_voltage If the supply supports multiple voltages, use the lower one.
* Some devices start in a high power mode, but an can be switched to a lower one.
* Set this to false unless you know what you're doing.
*/
void supply_enable(enum switch_power_supply supply, bool use_low_voltage)
{
uint32_t voltage = 0;
switch(supply) {
case SUPPLY_MICROSD:
voltage = use_low_voltage ? SUPPLY_MICROSD_LOW_VOLTAGE : SUPPLY_MICROSD_VOLTAGE;
max77620_regulator_set_voltage(SUPPLY_MICROSD_REGULATOR, voltage);
max77620_regulator_enable(SUPPLY_MICROSD_REGULATOR, true);
return;
default:
printk("ERROR: could not enable unknown supply %d!\n", supply);
return;
}
}