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Ole André Vadla Ravnås 2022-05-07 01:01:45 +02:00
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drivers/soc/allwinner/pm_legacy/standby/standby_power.c Normal file
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/*
* Copyright (c) 2007-2017 Allwinnertech Co., Ltd.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that 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.
*
*/
/*
*********************************************************************************************************
* LINUX-KERNEL
* AllWinner Linux Platform Develop Kits
* Kernel Module
*
* (c) Copyright 2006-2011, kevin.z China
* All Rights Reserved
*
* File : standby_power.c
* By : Ming Li
* Version : v1.0
* Date : 2014-11-03 14:34
* Descript:
* Update : date auther ver notes
*********************************************************************************************************
*/
#include "standby_i.h"
#include "standby_power.h"
/*
*********************************************************************************************************
* standby_set_power
*
*Description: set voltage for standby;
*
*Arguments : pmu_id : pmu's id
* bitmap : power bitmap
* power_tree : power tree point;
* volt : voltage value, based on "mv";
*
*Return : success: 0;
* failed : -1;
*Notes :
*
*********************************************************************************************************
*/
int standby_set_power(unsigned int pmu_id, unsigned int bitmap,
unsigned int (*power_tree)[VCC_MAX_INDEX],
unsigned short volt)
{
unsigned int pmux_id = 0, i = 0, ret = -1;
unsigned int tree_value = 0;
tree_value = (*(power_tree))[bitmap];
if (0 == tree_value) {
printk("power tree %d value is 0\n", bitmap);
return -1;
}
save_mem_status(RESUME0_START | 0X09);
for (i = 0; i < 4; i++) {
pmux_id = (pmu_id >> (8 * i)) & 0xFF;
if (0 != pmux_id) {
switch (pmux_id) {
case AXP_19X_ID:
break;
case AXP_209_ID:
ret = axp209_set_volt(tree_value, volt);
break;
case AXP_22X_ID:
break;
case AXP_806_ID:
break;
case AXP_808_ID:
break;
case AXP_809_ID:
break;
case AXP_803_ID:
break;
case AXP_813_ID:
break;
default:
return -1;
}
}
}
return 0;
}
/*
*********************************************************************************************************
* standby_recovery_power
*
*Description: set voltage for standby;
*
*Arguments : pmu_id : pmu's id
* bitmap : power bitmap
* power_tree : power tree point;
* volt : voltage value, based on "mv";
*
*Return : success: 0;
* failed : -1;
*Notes :
*
*********************************************************************************************************
*/
int standby_recovery_power(unsigned int pmu_id)
{
unsigned int pmux_id = 0, i = 0, ret = -1;
unsigned int tree_value = 0;
for (i = 0; i < 4; i++) {
pmux_id = (pmu_id >> (8 * i)) & 0xFF;
if (0 != pmux_id) {
switch (pmux_id) {
case AXP_19X_ID:
break;
case AXP_209_ID:
ret = axp209_recovery_volt();
break;
case AXP_22X_ID:
break;
case AXP_806_ID:
break;
case AXP_808_ID:
break;
case AXP_809_ID:
break;
case AXP_803_ID:
break;
case AXP_813_ID:
break;
default:
return -1;
}
}
}
return 0;
}