rockbox/firmware/target/arm/s5l8702/ipodnano4g/pmu-target.h
Vencislav Atanasov 545506c923 New port: iPod Nano 4G
Currently, only the development bootloader can be built successfully.

This is a part of the large iPod Nano 3G and iPod Nano 4G support patch.

Credit: Cástor Muñoz <cmvidal@gmail.com>
Change-Id: I74ea0da999ddb1d8ce5d0f5434141b3f0b5f7448
2025-04-18 20:40:49 -04:00

161 lines
5 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: pmu-target.h 24721 2010-02-17 15:54:48Z theseven $
*
* Copyright © 2009 Michael Sparmann
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __PMU_TARGET_H__
#define __PMU_TARGET_H__
#include <stdint.h>
#include <stdbool.h>
#include "config.h"
/* undocummented PMU registers */
enum d1759_regs {
D1759_REG_EVENTA = 0x01,
D1759_REG_EVENTB = 0x02,
D1759_REG_EVENTC = 0x03,
D1759_REG_STATUSA = 0x04,
D1759_REG_STATUSB = 0x05,
D1759_REG_STATUSC = 0x06,
D1759_REG_IRQMASKA = 0x07,
D1759_REG_IRQMASKB = 0x08,
D1759_REG_IRQMASKC = 0x09,
// D1759_REG_SYSCTRLA = 0x0a,
// D1759_REG_SYSCTRLB = 0x0b,
D1759_REG_LEDOUT = 0x30,
D1759_REG_LEDCTL = 0x31,
};
#if 1
enum d1759_reg_eventa {
D1759_EVENTA_VBUS = 0x08, /* USB: 0 -> not present */
D1759_EVENTA_INPUT1 = 0x20, /* accessory: 0 -> not present */
D1759_EVENTA_UNK6 = 0x40, // ???
};
enum d1759_reg_eventb {
D1759_EVENTB_INPUT2 = 0x01, /* hold switch: 0 -> locked */
D1759_EVENTB_WARMBOOT = 0x80, /* TBC */
};
enum d1759_reg_eventc {
D1759_EVENTC_VADAPTOR = 0x08, /* FireWire: 0 -> not present */
};
enum d1759_reg_statusa {
D1759_STATUSA_VBUS = 0x08,
D1759_STATUSA_INPUT1 = 0x20,
};
enum d1759_reg_statusb {
D1759_STATUSB_INPUT2 = 0x01,
D1759_STATUSB_WARMBOOT = 0x80,
};
enum d1759_reg_statusc {
D1759_STATUSC_VADAPTOR = 0x08,
};
enum d1759_reg_irqmaska {
D1759_IRQMASKA_VBUS = 0x08,
D1759_IRQMASKA_INPUT1 = 0x20,
};
enum d1759_reg_irqmaskb {
D1759_IRQMASKB_INPUT2 = 0x01,
D1759_IRQMASKB_WARMBOOT = 0x80,
};
enum d1759_reg_irqmaskc {
D1759_IRQMASKC_VADAPTOR = 0x08,
};
#else // TODO?
/* PMU interrupts */
#define D1759_EVENTA_VBUS (1<<3) /* USB: 0 -> not present */
#define D1759_EVENTA_INPUT1 (1<<5) /* accessory: 0 -> not present */
#define D1759_EVENTA_UNK6 (1<<6) // ???
#define D1759_EVENTB_INPUT2 (1<<0) /* hold switch: 0 -> locked */
#define D1759_EVENTB_WARMBOOT (1<<7) /* TBC */
#define D1759_EVENTC_VADAPTOR (1<<3) /* FireWire: 0 -> not present */
#endif
enum d1759_reg_ledctl {
D1759_LEDCTL_ENABLE = 0x01,
};
/* GPIO for external PMU interrupt */
// #define GPIO_EINT_PMU 0x7b // TODO: I think it is not this one, or it does not work well, also this GPIO does not exist in s5l8720
// #define GPIO_EINT_PMU 5 // 0.5
// #define GPIO_EINT_PMU 14 // 1.6
#define GPIO_EINT_PMU 46 // 5.6
// #define GPIO_EINT_PMU 76 // 9.4
// #define GPIO_EINT_PMU 91 // B.3
// #define GPIO_EINT_PMU 97 // C.1
// #define GPIO_EINT_PMU 98 // C.2
struct pmu_adc_channel
{
const char *name;
// TODO
};
void pmu_preinit(void);
void pmu_init(void);
unsigned char pmu_read(int address);
int pmu_write(int address, unsigned char val);
int pmu_read_multiple(int address, int count, unsigned char* buffer);
int pmu_write_multiple(int address, int count, unsigned char* buffer);
#ifdef BOOTLOADER
unsigned char pmu_rd(int address);
int pmu_wr(int address, unsigned char val);
int pmu_rd_multiple(int address, int count, unsigned char* buffer);
int pmu_wr_multiple(int address, int count, unsigned char* buffer);
bool pmu_is_hibernated(void);
#endif
// void pmu_ldo_on_in_standby(unsigned int ldo, int onoff);
// void pmu_ldo_set_voltage(unsigned int ldo, unsigned char voltage);
// void pmu_ldo_power_on(unsigned int ldo);
// void pmu_ldo_power_off(unsigned int ldo);
void pmu_set_wake_condition(unsigned char condition);
void pmu_enter_standby(void);
// void pmu_nand_power(bool on);
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
void pmu_set_cpu_voltage(bool high);
#endif
#if (CONFIG_RTC == RTC_NANO3G)
void pmu_read_rtc(unsigned char* buffer);
void pmu_write_rtc(unsigned char* buffer);
#endif
void pmu_set_usblimit(bool fast_charge);
unsigned short pmu_read_adc(const struct pmu_adc_channel *ch);
unsigned short pmu_adc_raw2mv(
const struct pmu_adc_channel *ch, unsigned short raw);
int pmu_holdswitch_locked(void);
#if CONFIG_CHARGING
int pmu_firewire_present(void);
#endif
#ifdef IPOD_ACCESSORY_PROTOCOL
int pmu_accessory_present(void);
#endif
#endif /* __PMU_TARGET_H__ */