165 lines
5.4 KiB
C
165 lines
5.4 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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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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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 __POWER_IMX233__
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#define __POWER_IMX233__
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#include "system.h"
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#include "system-target.h"
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#include "cpu.h"
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#include "regs/regs-power.h"
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__10mA (1 << 0)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__20mA (1 << 1)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__50mA (1 << 2)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__100mA (1 << 3)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__200mA (1 << 4)
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#define BV_POWER_5VCTRL_CHARGE_4P2_ILIMIT__400mA (1 << 5)
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#define BV_POWER_CHARGE_BATTCHRG_I__10mA (1 << 0)
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#define BV_POWER_CHARGE_BATTCHRG_I__20mA (1 << 1)
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#define BV_POWER_CHARGE_BATTCHRG_I__50mA (1 << 2)
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#define BV_POWER_CHARGE_BATTCHRG_I__100mA (1 << 3)
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#define BV_POWER_CHARGE_BATTCHRG_I__200mA (1 << 4)
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#define BV_POWER_CHARGE_BATTCHRG_I__400mA (1 << 5)
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#define BV_POWER_CHARGE_STOP_ILIMIT__10mA (1 << 0)
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#define BV_POWER_CHARGE_STOP_ILIMIT__20mA (1 << 1)
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#define BV_POWER_CHARGE_STOP_ILIMIT__50mA (1 << 2)
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#define BV_POWER_CHARGE_STOP_ILIMIT__100mA (1 << 3)
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#if IMX233_SUBTARGET >= 3700
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#define HW_POWER_VDDDCTRL__TRG_STEP 25 /* mV */
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#define HW_POWER_VDDDCTRL__TRG_MIN 800 /* mV */
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#define HW_POWER_VDDACTRL__TRG_STEP 25 /* mV */
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#define HW_POWER_VDDACTRL__TRG_MIN 1500 /* mV */
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#define HW_POWER_VDDIOCTRL__TRG_STEP 25 /* mV */
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#define HW_POWER_VDDIOCTRL__TRG_MIN 2800 /* mV */
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#define HW_POWER_VDDMEMCTRL__TRG_STEP 50 /* mV */
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#define HW_POWER_VDDMEMCTRL__TRG_MIN 1700 /* mV */
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#else
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/* don't use the full available range because of the weird encodings for
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* extreme values which are useless anyway */
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#define HW_POWER_VDDDCTRL__TRG_STEP 32 /* mV */
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#define HW_POWER_VDDDCTRL__TRG_MIN 1280 /* mV */
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#define HW_POWER_VDDDCTRL__TRG_OFF 8 /* below 8, the register value doesn't encode linearly */
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#endif
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#define BV_POWER_MISC_FREQSEL__RES 0
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#define BV_POWER_MISC_FREQSEL__20MHz 1
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#define BV_POWER_MISC_FREQSEL__24MHz 2
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#define BV_POWER_MISC_FREQSEL__19p2MHz 3
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#define BV_POWER_MISC_FREQSEL__14p4MHz 4
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#define BV_POWER_MISC_FREQSEL__18MHz 5
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#define BV_POWER_MISC_FREQSEL__21p6MHz 6
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#define BV_POWER_MISC_FREQSEL__17p28MHz 7
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void imx233_power_init(void);
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void imx233_power_set_charge_current(unsigned current); /* in mA */
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void imx233_power_set_stop_current(unsigned current); /* in mA */
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void imx233_power_enable_batadj(bool enable);
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bool imx233_power_usb_detect(void);
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enum imx233_regulator_t
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{
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REGULATOR_VDDD, /* target, brownout, linreg[3700+], linreg offset[3700+] */
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#if IMX233_SUBTARGET >= 3700
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REGULATOR_VDDA, /* target, brownout, linreg, linreg offset */
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REGULATOR_VDDIO, /* target, brownout, linreg offset */
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REGULATOR_VDDMEM, /* target, linreg */
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#endif
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REGULATOR_COUNT,
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};
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void imx233_power_get_regulator(enum imx233_regulator_t reg, unsigned *target_mv,
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unsigned *brownout_mv);
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// WARNING this call will block until voltage is stable
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void imx233_power_set_regulator(enum imx233_regulator_t reg, unsigned target_mv,
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unsigned brownout_mv);
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// offset is -1,0 or 1
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void imx233_power_get_regulator_linreg(enum imx233_regulator_t reg,
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bool *enabled, int *linreg_offset);
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// offset is -1,0 or 1
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void imx233_power_set_regulator_linreg(enum imx233_regulator_t reg,
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bool enabled, int linreg_offset);
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#if IMX233_SUBTARGET >= 3700
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static inline void imx233_power_set_dcdc_freq(bool pll, unsigned freq)
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{
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if(pll)
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BF_WR(POWER_MISC, FREQSEL, freq);
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BF_WR(POWER_MISC, SEL_PLLCLK, pll);
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}
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#endif
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static inline unsigned imx233_power_read_pswitch(void)
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{
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#if IMX233_SUBTARGET >= 3700
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return BF_RD(POWER_STS, PSWITCH);
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#else
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return BF_RD(DIGCTL_STATUS, PSWITCH);
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#endif
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}
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#if IMX233_SUBTARGET < 3700
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/* return -1 on error */
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int imx233_power_sense_die_temperature(int *min, int *max);
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#endif
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struct imx233_power_info_t
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{
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bool dcdc_sel_pllclk; /* clock source of DC-DC: pll or 24MHz xtal */
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int dcdc_freqsel;
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int charge_current;
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int stop_current;
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bool charging;
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bool batt_adj;
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bool _4p2_enable;
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bool _4p2_dcdc;
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int _4p2_cmptrip;
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int _4p2_dropout;
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bool _5v_pwd_charge_4p2;
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int _5v_charge_4p2_limit;
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bool _5v_dcdc_xfer;
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bool _5v_enable_dcdc;
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int _5v_vbusvalid_thr;
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bool _5v_vbusvalid_detect;
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bool _5v_vbus_cmps;
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};
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#define POWER_INFO_DCDC (1 << 4)
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#define POWER_INFO_CHARGE (1 << 5)
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#define POWER_INFO_4P2 (1 << 6)
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#define POWER_INFO_5V (1 << 7)
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#define POWER_INFO_ALL 0xff
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struct imx233_power_info_t imx233_power_get_info(unsigned flags);
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#endif /* __POWER_IMX233__ */
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