mirror of
https://github.com/CTCaer/hekate.git
synced 2024-11-13 22:06:46 +00:00
103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2019-2023 CTCaer
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <soc/fuse.h>
|
|
#include <soc/gpio.h>
|
|
#include <soc/hw_init.h>
|
|
#include <soc/pinmux.h>
|
|
#include <soc/pmc.h>
|
|
#include <soc/t210.h>
|
|
#include <utils/types.h>
|
|
|
|
static u8 reg_5v_dev = 0;
|
|
static bool usb_src = false;
|
|
|
|
void regulator_5v_enable(u8 dev)
|
|
{
|
|
bool tegra_t210 = hw_get_chip_id() == GP_HIDREV_MAJOR_T210;
|
|
|
|
// The power supply selection from battery or USB is automatic.
|
|
if (!reg_5v_dev)
|
|
{
|
|
// Fan and Rail power from battery 5V regulator.
|
|
PINMUX_AUX(PINMUX_AUX_SATA_LED_ACTIVE) = 1;
|
|
gpio_direction_output(GPIO_PORT_A, GPIO_PIN_5, GPIO_HIGH);
|
|
|
|
// Only Icosa has USB 5V VBUS rails.
|
|
if (tegra_t210)
|
|
{
|
|
// Fan and Rail power from USB 5V VBUS.
|
|
PINMUX_AUX(PINMUX_AUX_USB_VBUS_EN0) = PINMUX_LPDR | 1;
|
|
gpio_direction_output(GPIO_PORT_CC, GPIO_PIN_4, GPIO_LOW);
|
|
}
|
|
|
|
// Make sure GPIO IO power is enabled.
|
|
PMC(APBDEV_PMC_NO_IOPOWER) &= ~PMC_NO_IOPOWER_GPIO_IO_EN;
|
|
(void)PMC(APBDEV_PMC_NO_IOPOWER); // Commit write.
|
|
|
|
// Override power detect for GPIO AO IO rails.
|
|
PMC(APBDEV_PMC_PWR_DET_VAL) &= ~PMC_PWR_DET_GPIO_IO_EN;
|
|
(void)PMC(APBDEV_PMC_PWR_DET_VAL); // Commit write.
|
|
|
|
usb_src = false;
|
|
}
|
|
reg_5v_dev |= dev;
|
|
}
|
|
|
|
void regulator_5v_disable(u8 dev)
|
|
{
|
|
bool tegra_t210 = hw_get_chip_id() == GP_HIDREV_MAJOR_T210;
|
|
|
|
reg_5v_dev &= ~dev;
|
|
|
|
if (!reg_5v_dev)
|
|
{
|
|
// Rail power from battery 5V regulator.
|
|
gpio_write(GPIO_PORT_A, GPIO_PIN_5, GPIO_LOW);
|
|
|
|
// Only Icosa has USB 5V VBUS rails.
|
|
if (tegra_t210)
|
|
{
|
|
// Rail power from USB 5V VBUS.
|
|
gpio_write(GPIO_PORT_CC, GPIO_PIN_4, GPIO_LOW);
|
|
usb_src = false;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
bool regulator_5v_get_dev_enabled(u8 dev)
|
|
{
|
|
return (reg_5v_dev & dev);
|
|
}
|
|
|
|
void regulator_5v_usb_src_enable(bool enable)
|
|
{
|
|
// Only for Icosa.
|
|
if (hw_get_chip_id() != GP_HIDREV_MAJOR_T210)
|
|
return;
|
|
|
|
if (enable && !usb_src)
|
|
{
|
|
gpio_write(GPIO_PORT_CC, GPIO_PIN_4, GPIO_HIGH);
|
|
usb_src = true;
|
|
}
|
|
else if (!enable && usb_src)
|
|
{
|
|
gpio_write(GPIO_PORT_CC, GPIO_PIN_4, GPIO_LOW);
|
|
usb_src = false;
|
|
}
|
|
}
|