adbd2969e6
Add code to read USB D+/D- and accessory ADCs, it is shown in HW debug menu, might be useful in future for RB and/or the bootloader to identify external USB chargers. Change-Id: Ia48ca5e06bb7ddc52bb55abedde6734653ce8dba
119 lines
3.6 KiB
C
119 lines
3.6 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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#include "pcf5063x.h"
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/* undocummented PMU registers */
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#define PCF50635_REG_INT6 0x85
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#define PCF50635_REG_INT6M 0x86
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#define PCF50635_REG_GPIOSTAT 0x87
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enum pcf50635_reg_int6 {
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PCF50635_INT6_GPIO1 = 0x01, /* TBC */
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PCF50635_INT6_GPIO2 = 0x02,
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};
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enum pcf50635_reg_gpiostat {
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PCF50635_GPIOSTAT_GPIO1 = 0x01, /* TBC */
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PCF50635_GPIOSTAT_GPIO2 = 0x02,
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};
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/* GPIO for external PMU interrupt */
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#define GPIO_EINT_PMU 0x7b
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/* LDOs */
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#define LDO_UNK1 1 /* TBC: SoC voltage (USB) */
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#define LDO_UNK2 2 /* TBC: SoC voltage (I/O) */
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#define LDO_LCD 3
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#define LDO_CODEC 4
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#define LDO_UNK5 5 /* TBC: nano3g NAND */
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#define LDO_CWHEEL 6
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#define LDO_ACCY 7 /* HCLDO */
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/*
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* Other LDOs:
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* AUTOLDO: Hard Disk
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* DOWN1: CPU
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* DOWN2: SDRAM
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* MEMLDO: SDRAM self-refresh (TBC)
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*
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* EXTON inputs:
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* EXTON1: button/holdswitch related (TBC)
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* EXTON2: USB Vbus (High when present)
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* EXTON3: ACCESSORY (Low when present)
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*
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* PMU GPIO:
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* GPIO1: input, Mikey (jack remote ctrl) interrupt (TBC)
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* GPIO2: input, hold switch (TBC)
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* GPIO3: output, unknown
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*/
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struct pmu_adc_channel
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{
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const char *name;
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uint8_t adcc1;
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uint8_t adcc2;
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uint8_t adcc3;
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uint8_t bias_dly; /* RB ticks */
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};
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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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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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void pmu_init(void);
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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_read_rtc(unsigned char* buffer);
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void pmu_write_rtc(unsigned char* buffer);
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void pmu_hdd_power(bool on);
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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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void pmu_preinit(void);
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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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#endif
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#endif /* __PMU_TARGET_H__ */
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