277 lines
6.5 KiB
C
277 lines
6.5 KiB
C
/*
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* (C) Copyright 2018-2020
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* wangwei <wangwei@allwinnertech.com>
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*
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*/
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#include <common.h>
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#include <arch/pmic_bus.h>
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#include <arch/axp806_reg.h>
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static int pmu_set_vol(char *name, int set_vol, int onoff);
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static axp_contrl_info axp_ctrl_tbl[] = {
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{ "dcdca", 600, 1520, AXP806_DCAOUT_VOL, 0x7f, AXP806_OUTPUT_CTL1, 0, 0,
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{ {600, 1100, 10}, {1120, 1520, 20}, } },
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{ "dcdcb", 1000, 2550, AXP806_DCBOUT_VOL, 0x1f, AXP806_OUTPUT_CTL1, 1, 0,
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{ {1000, 2550, 50}, } },
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{ "dcdcc", 600, 1520, AXP806_DCCOUT_VOL, 0x7f, AXP806_OUTPUT_CTL1, 2, 0,
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{ {600, 1100, 10}, {1120, 1520, 20}, } },
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{ "dcdcd", 600, 3300, AXP806_DCDOUT_VOL, 0x3f, AXP806_OUTPUT_CTL1, 3, 0,
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{ {600, 1500, 20}, {1600, 3300, 100}, } },
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{ "dcdce", 1100, 3400, AXP806_DCEOUT_VOL, 0x1f, AXP806_OUTPUT_CTL1, 4, 0,
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{ {1100, 3400, 100}, } },
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{ "aldo1", 700, 3300, AXP806_ALDO1OUT_VOL, 0x1f, AXP806_OUTPUT_CTL1, 5, 0,
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{ {700, 3300, 100}, } },
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{ "aldo2", 700, 3400, AXP806_ALDO2OUT_VOL, 0x1f, AXP806_OUTPUT_CTL1, 6, 0,
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{ {700, 3400, 100}, } },
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{ "aldo3", 700, 3300, AXP806_ALDO3OUT_VOL, 0x1f, AXP806_OUTPUT_CTL1, 7, 0,
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{ {700, 3300, 100}, } },
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{ "bldo1", 700, 1900, AXP806_BLDO1OUT_VOL, 0x0f, AXP806_OUTPUT_CTL2, 0, 0,
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{ {700, 1900, 100}, } },
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{ "bldo2", 700, 1900, AXP806_BLDO2OUT_VOL, 0x0f, AXP806_OUTPUT_CTL2, 1, 0,
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{ {700, 1900, 100}, } },
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{ "bldo3", 700, 1900, AXP806_BLDO3OUT_VOL, 0x0f, AXP806_OUTPUT_CTL2, 2, 0,
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{ {700, 1900, 100}, } },
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{ "bldo4", 700, 1900, AXP806_BLDO4OUT_VOL, 0x0f, AXP806_OUTPUT_CTL2, 3, 0,
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{ {700, 1900, 100}, } },
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{ "cldo1", 700, 3300, AXP806_CLDO1OUT_VOL, 0x1f, AXP806_OUTPUT_CTL2, 4, 0,
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{ {700, 3300, 100}, } },
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{ "cldo2", 700, 4200, AXP806_CLDO2OUT_VOL, 0x1f, AXP806_OUTPUT_CTL2, 5, 0,
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{ {700, 3400, 100}, {3600, 4200, 200}, } },
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{ "cldo3", 700, 3300, AXP806_CLDO3OUT_VOL, 0x1f, AXP806_OUTPUT_CTL2, 6, 0,
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{ {700, 3300, 100}, } },
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};
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int axp806_probe_power_key(void)
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{
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u8 reg_value;
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if (pmic_bus_read(AXP806_RUNTIME_ADDR, PMU_POWER_KEY_STATUS,
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®_value)) {
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return -1;
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}
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/* POKLIRQ,POKSIRQ */
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reg_value &= (0x03 << PMU_POWER_KEY_OFFSET);
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if (reg_value) {
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if (pmic_bus_write(AXP806_RUNTIME_ADDR, PMU_POWER_KEY_STATUS,
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reg_value)) {
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return -1;
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}
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}
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return (reg_value >> PMU_POWER_KEY_OFFSET) & 3;
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}
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int axp806_get_power_source(void)
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{
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u8 reg_value;
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if (pmic_bus_read(AXP806_RUNTIME_ADDR, AXP806_STARUP_SRC, ®_value)) {
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return -1;
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}
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if (reg_value & (1 << 0)) {
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return AXP_BOOT_SOURCE_VBUS_USB;
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} else if (reg_value & (1 << 2)) {
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return AXP_BOOT_SOURCE_BUTTON;
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} else if (reg_value & (1 << 3)) {
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return AXP_BOOT_SOURCE_IRQ_LOW;
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}
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return -1;
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}
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static axp_contrl_info *get_ctrl_info_from_tbl(char *name)
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{
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int i = 0;
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int size = ARRAY_SIZE(axp_ctrl_tbl);
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for (i = 0; i < size; i++) {
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if (!strncmp(name, axp_ctrl_tbl[i].name,
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strlen(axp_ctrl_tbl[i].name))) {
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break;
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}
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}
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if (i >= size) {
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return NULL;
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}
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return (axp_ctrl_tbl + i);
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}
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static int pmu_set_vol(char *name, int set_vol, int onoff)
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{
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u8 reg_value, i;
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axp_contrl_info *p_item = NULL;
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u8 base_step = 0;
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p_item = get_ctrl_info_from_tbl(name);
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if (!p_item) {
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return -1;
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}
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if ((set_vol > 0) && (p_item->min_vol)) {
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if (set_vol < p_item->min_vol) {
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set_vol = p_item->min_vol;
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} else if (set_vol > p_item->max_vol) {
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set_vol = p_item->max_vol;
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}
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if (pmic_bus_read(AXP806_RUNTIME_ADDR, p_item->cfg_reg_addr,
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®_value)) {
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return -1;
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}
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reg_value &= ~p_item->cfg_reg_mask;
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for (i = 0; p_item->axp_step_tbl[i].step_max_vol != 0; i++) {
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if ((set_vol > p_item->axp_step_tbl[i].step_max_vol) &&
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(set_vol < p_item->axp_step_tbl[i+1].step_min_vol)) {
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set_vol = p_item->axp_step_tbl[i].step_max_vol;
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}
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if (p_item->axp_step_tbl[i].step_max_vol >= set_vol) {
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reg_value |= ((base_step + ((set_vol - p_item->axp_step_tbl[i].step_min_vol)/
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p_item->axp_step_tbl[i].step_val)) << p_item->reg_addr_offest);
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if (p_item->axp_step_tbl[i].regation) {
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u8 reg_value_temp = (~reg_value & p_item->cfg_reg_mask);
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reg_value &= ~p_item->cfg_reg_mask;
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reg_value |= reg_value_temp;
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}
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break;
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} else {
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base_step += ((p_item->axp_step_tbl[i].step_max_vol -
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p_item->axp_step_tbl[i].step_min_vol + p_item->axp_step_tbl[i].step_val) /
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p_item->axp_step_tbl[i].step_val);
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}
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}
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if (pmic_bus_write(AXP806_RUNTIME_ADDR, p_item->cfg_reg_addr,
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reg_value)) {
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return -1;
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}
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}
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if (onoff < 0) {
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return 0;
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}
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if (pmic_bus_read(AXP806_RUNTIME_ADDR, p_item->ctrl_reg_addr,
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®_value)) {
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return -1;
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}
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if (onoff == 0) {
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reg_value &= ~(1 << p_item->ctrl_bit_ofs);
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} else {
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reg_value |= (1 << p_item->ctrl_bit_ofs);
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}
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if (pmic_bus_write(AXP806_RUNTIME_ADDR, p_item->ctrl_reg_addr,
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reg_value)) {
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return -1;
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}
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return 0;
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}
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int axp806_set_ddr_voltage(int set_vol)
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{
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return pmu_set_vol("dcdcd", set_vol, 1);
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}
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int axp806_set_pll_voltage(int set_vol)
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{
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return pmu_set_vol("dcdca", set_vol, 1);
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}
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int axp806_set_sys_voltage(int set_vol, int onoff)
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{
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return pmu_set_vol("dcdcc", set_vol, onoff);
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}
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int axp806_set_sys_voltage_ext(char *name, int set_vol, int onoff)
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{
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return pmu_set_vol(name, set_vol, onoff);
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}
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static int axp806_necessary_reg_enable(void)
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{
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u8 reg_val;
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if (pmic_bus_read(AXP806_RUNTIME_ADDR, AXP806_DCMOD_CTL1, ®_val)) {
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return -1;
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}
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reg_val |= 0x7;
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if (pmic_bus_write(AXP806_RUNTIME_ADDR, AXP806_DCMOD_CTL1, reg_val)) {
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return -1;
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}
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if (pmic_bus_read(AXP806_RUNTIME_ADDR, AXP806_DIASBLE, ®_val)) {
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return -1;
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}
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/* PWROK drive low restart function enable */
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reg_val |= (0x1U << 4);
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if (pmic_bus_write(AXP806_RUNTIME_ADDR, AXP806_DIASBLE, reg_val)) {
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return -1;
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}
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if (pmic_bus_read(AXP806_RUNTIME_ADDR, AXP806_IRQ_SETTING, ®_val)) {
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return -1;
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}
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/* irq function enable */
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reg_val |= (0x1U << 7);
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if (pmic_bus_write(AXP806_RUNTIME_ADDR, AXP806_IRQ_SETTING, reg_val)) {
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return -1;
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}
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return 0;
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}
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int axp806_reg_read(u8 addr, u8 *val)
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{
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return pmic_bus_read(AXP806_RUNTIME_ADDR, addr, val);
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}
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int axp806_reg_write(u8 addr, u8 val)
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{
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return pmic_bus_write(AXP806_RUNTIME_ADDR, addr, val);
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}
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int axp806_axp_init(u8 power_mode)
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{
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u8 pmu_type;
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if (pmic_bus_init(AXP806_DEVICE_ADDR, AXP806_RUNTIME_ADDR)) {
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pmu_err("bus init error\n");
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return -1;
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}
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if (pmic_bus_read(AXP806_RUNTIME_ADDR, AXP806_IC_TYPE, &pmu_type)) {
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pmu_err("bus read error\n");
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return -1;
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}
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pmu_type &= 0xCF;
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if (pmu_type == AXP806_CHIP_ID) {
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/* pmu type AXP806 */
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printf("PMU: AXP806\n");
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axp806_necessary_reg_enable();
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return AXP806_CHIP_ID;
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}
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printf("unknow PMU\n");
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return -1;
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}
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