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