171 lines
5.7 KiB
C
171 lines
5.7 KiB
C
|
/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions are
|
||
|
|
* met:
|
||
|
|
* * Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* * Redistributions in binary form must reproduce the above
|
||
|
|
* copyright notice, this list of conditions and the following
|
||
|
|
* disclaimer in the documentation and/or other materials provided
|
||
|
|
* with the distribution.
|
||
|
|
* * Neither the name of The Linux Foundation, Inc. nor the names of its
|
||
|
|
* contributors may be used to endorse or promote products derived
|
||
|
|
* from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
|
||
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
|
||
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
||
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
||
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
||
|
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _PM8X41_ADC_H_
|
||
|
|
#define _PM8X41_ADC_H_
|
||
|
|
|
||
|
|
#include <bits.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
struct adc_conf {
|
||
|
|
uint32_t base;
|
||
|
|
uint8_t mode;
|
||
|
|
uint16_t chan;
|
||
|
|
uint8_t adc_param;
|
||
|
|
uint8_t hw_set_time;
|
||
|
|
uint8_t fast_avg;
|
||
|
|
uint8_t calib_type;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define CHAN_INIT(_base, _chan, _mode, _adc_param, _hw_set_time, _fast_avg, _calib_type) \
|
||
|
|
{\
|
||
|
|
.base = _base, \
|
||
|
|
.chan = _chan, \
|
||
|
|
.mode = _mode, \
|
||
|
|
.adc_param = _adc_param, \
|
||
|
|
.hw_set_time = _hw_set_time, \
|
||
|
|
.fast_avg = _fast_avg, \
|
||
|
|
.calib_type = _calib_type, \
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ADC1 Apps base */
|
||
|
|
#define VADC_USR1_BASE 0x3100
|
||
|
|
|
||
|
|
/* ADC mode control */
|
||
|
|
#define VADC_MODE_CTRL 0x40
|
||
|
|
#define VADC_MODE_NORMAL 0x0
|
||
|
|
#define VADC_MODE_BIT_NORMAL 3
|
||
|
|
|
||
|
|
/* ADC channel control */
|
||
|
|
#define VADC_CHAN_SEL 0x48
|
||
|
|
|
||
|
|
/* ADC dig param setup */
|
||
|
|
#define VADC_DIG_ADC_PARAM 0x50
|
||
|
|
#define VADC_DECIM_RATIO_VAL 0x1
|
||
|
|
#define VADC_DECIM_RATIO_SEL 2
|
||
|
|
#define VADC_CLK_SEL 1
|
||
|
|
|
||
|
|
/* ADC HE settle time */
|
||
|
|
#define VADC_HW_SETTLE_TIME 0x51
|
||
|
|
#define VADC_HW_SET_TIME_SEL 7
|
||
|
|
#define HW_SET_DELAY_100US 0x1
|
||
|
|
|
||
|
|
/* Request VADC conversion */
|
||
|
|
#define VADC_CONV_REQ 0x52
|
||
|
|
#define VADC_CON_REQ_BIT BIT(7)
|
||
|
|
|
||
|
|
/* ADC fast avg setup */
|
||
|
|
#define VADC_FAST_AVG 0x5A
|
||
|
|
#define VADC_FAST_AVG_EN 0x5B
|
||
|
|
#define FAST_AVG_SAMP_1 0x0
|
||
|
|
|
||
|
|
/* VADC status */
|
||
|
|
#define VADC_STATUS 0x08
|
||
|
|
#define VADC_STATUS_EOC 0x1
|
||
|
|
#define VADC_STATUS_MASK 0x3
|
||
|
|
|
||
|
|
/* VADC Enable */
|
||
|
|
#define VADC_EN_CTL 0x46
|
||
|
|
#define VADC_CTL_EN_BIT BIT(7)
|
||
|
|
|
||
|
|
/* VADC result */
|
||
|
|
#define VADC_REG_DATA_MSB 0x61
|
||
|
|
#define VADC_REG_DATA_LSB 0x60
|
||
|
|
|
||
|
|
/* Channel IDs */
|
||
|
|
#define VADC_BAT_VOL_CHAN_ID 6
|
||
|
|
#define VREF_625_CHAN_ID 9
|
||
|
|
#define VREF_125_CHAN_ID 10
|
||
|
|
#define GND_REF_CHAN_ID 14
|
||
|
|
#define VDD_VADC_CHAN_ID 15
|
||
|
|
#define VADC_BAT_CHAN_ID 49
|
||
|
|
|
||
|
|
/* Calibration type */
|
||
|
|
#define CALIB_ABS 0
|
||
|
|
#define CALIB_RATIO 1
|
||
|
|
|
||
|
|
/* VADC result range */
|
||
|
|
#define VADC_MIN_VAL 0x6000
|
||
|
|
#define VADC_MAX_VAL 0xA800
|
||
|
|
|
||
|
|
/* Data points needed for calibration */
|
||
|
|
|
||
|
|
/* Absolute calibration */
|
||
|
|
#define VREF_625_MV 625000
|
||
|
|
#define OFFSET_GAIN_DNOM 3
|
||
|
|
#define OFFSET_GAIN_NUME 1
|
||
|
|
|
||
|
|
/* Ratiometric calibration */
|
||
|
|
#define VREF_18_V 1800000
|
||
|
|
|
||
|
|
/* Current value for USB & BAT */
|
||
|
|
#define USB_CUR_100UA 100000
|
||
|
|
#define USB_CUR_150UA 150000
|
||
|
|
#define IUSB_MAX_REG 0x1344
|
||
|
|
|
||
|
|
#define BAT_CUR_100UA 100000
|
||
|
|
#define BAT_CUR_STEP 50000
|
||
|
|
#define IBAT_MAX_REG 0x1044
|
||
|
|
|
||
|
|
#define IUSB_MIN_UA 100000
|
||
|
|
#define IBAT_MIN_UA 100000
|
||
|
|
#define IBAT_MAX_UA 3250000
|
||
|
|
#define IUSB_MAX_UA 2500000
|
||
|
|
|
||
|
|
/* Macros for setting VDD max & charge control */
|
||
|
|
#define CHGR_VDD_MAX 0x1040
|
||
|
|
|
||
|
|
#define VDD_MIN_UA 3240000
|
||
|
|
#define VDD_MAX_UA 5790000
|
||
|
|
#define VDD_VOL_STEP 10000
|
||
|
|
|
||
|
|
/* Macros for charge control */
|
||
|
|
#define CHGR_CHG_CTRL 0x1049
|
||
|
|
#define CHGR_ENABLE 1
|
||
|
|
#define CHGR_EN_BIT 7
|
||
|
|
#define CHGR_DISABLE 0x0
|
||
|
|
|
||
|
|
/* Macros for boot done */
|
||
|
|
#define MISC_BOOT_DONE 0x1642
|
||
|
|
#define BOOT_DONE 1
|
||
|
|
#define BOOT_DONE_BIT 7
|
||
|
|
|
||
|
|
/* Function declations */
|
||
|
|
uint32_t pm8x41_adc_channel_read(uint16_t ch_num);
|
||
|
|
int pm8x41_iusb_max_config(uint32_t current);
|
||
|
|
int pm8x41_ibat_max_config(uint32_t current);
|
||
|
|
/* API: To set VDD max */
|
||
|
|
int pm8x41_chgr_vdd_max_config(uint32_t voltage);
|
||
|
|
/* API: To enable charging */
|
||
|
|
int pm8x41_chgr_ctl_enable(uint8_t enable);
|
||
|
|
/* API: Get battery voltage*/
|
||
|
|
uint32_t pm8x41_get_batt_voltage();
|
||
|
|
/* API: Get Voltage based State of Charge */
|
||
|
|
uint32_t pm8x41_get_voltage_based_soc(uint32_t cutoff_vol, uint32_t vdd_max);
|
||
|
|
#endif /* _PM8X41_ADC_H_ */
|