582 строки
17 KiB
C
582 строки
17 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _AB8500_CHARGER_H_
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#define _AB8500_CHARGER_H_
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#include <linux/kernel.h>
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/*
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* System control 2 register offsets.
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* bank = 0x02
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*/
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#define AB8500_MAIN_WDOG_CTRL_REG 0x01
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#define AB8500_LOW_BAT_REG 0x03
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#define AB8500_BATT_OK_REG 0x04
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/*
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* USB/ULPI register offsets
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* Bank : 0x5
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*/
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#define AB8500_USB_LINE_STAT_REG 0x80
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#define AB8500_USB_LINE_CTRL2_REG 0x82
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#define AB8500_USB_LINK1_STAT_REG 0x94
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/*
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* Charger / status register offfsets
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* Bank : 0x0B
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*/
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#define AB8500_CH_STATUS1_REG 0x00
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#define AB8500_CH_STATUS2_REG 0x01
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#define AB8500_CH_USBCH_STAT1_REG 0x02
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#define AB8500_CH_USBCH_STAT2_REG 0x03
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#define AB8540_CH_USBCH_STAT3_REG 0x04
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#define AB8500_CH_STAT_REG 0x05
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/*
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* Charger / control register offfsets
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* Bank : 0x0B
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*/
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#define AB8500_CH_VOLT_LVL_REG 0x40
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#define AB8500_CH_VOLT_LVL_MAX_REG 0x41 /*Only in Cut2.0*/
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#define AB8500_CH_OPT_CRNTLVL_REG 0x42
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#define AB8500_CH_OPT_CRNTLVL_MAX_REG 0x43 /*Only in Cut2.0*/
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#define AB8500_CH_WD_TIMER_REG 0x50
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#define AB8500_CHARG_WD_CTRL 0x51
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#define AB8500_BTEMP_HIGH_TH 0x52
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#define AB8500_LED_INDICATOR_PWM_CTRL 0x53
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#define AB8500_LED_INDICATOR_PWM_DUTY 0x54
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#define AB8500_BATT_OVV 0x55
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#define AB8500_CHARGER_CTRL 0x56
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#define AB8500_BAT_CTRL_CURRENT_SOURCE 0x60 /*Only in Cut2.0*/
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/*
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* Charger / main control register offsets
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* Bank : 0x0B
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*/
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#define AB8500_MCH_CTRL1 0x80
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#define AB8500_MCH_CTRL2 0x81
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#define AB8500_MCH_IPT_CURLVL_REG 0x82
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#define AB8500_CH_WD_REG 0x83
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/*
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* Charger / USB control register offsets
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* Bank : 0x0B
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*/
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#define AB8500_USBCH_CTRL1_REG 0xC0
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#define AB8500_USBCH_CTRL2_REG 0xC1
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#define AB8500_USBCH_IPT_CRNTLVL_REG 0xC2
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#define AB8540_USB_PP_MODE_REG 0xC5
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#define AB8540_USB_PP_CHR_REG 0xC6
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/*
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* Gas Gauge register offsets
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* Bank : 0x0C
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*/
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#define AB8500_GASG_CC_CTRL_REG 0x00
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#define AB8500_GASG_CC_ACCU1_REG 0x01
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#define AB8500_GASG_CC_ACCU2_REG 0x02
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#define AB8500_GASG_CC_ACCU3_REG 0x03
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#define AB8500_GASG_CC_ACCU4_REG 0x04
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#define AB8500_GASG_CC_SMPL_CNTRL_REG 0x05
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#define AB8500_GASG_CC_SMPL_CNTRH_REG 0x06
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#define AB8500_GASG_CC_SMPL_CNVL_REG 0x07
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#define AB8500_GASG_CC_SMPL_CNVH_REG 0x08
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#define AB8500_GASG_CC_CNTR_AVGOFF_REG 0x09
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#define AB8500_GASG_CC_OFFSET_REG 0x0A
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#define AB8500_GASG_CC_NCOV_ACCU 0x10
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#define AB8500_GASG_CC_NCOV_ACCU_CTRL 0x11
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#define AB8500_GASG_CC_NCOV_ACCU_LOW 0x12
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#define AB8500_GASG_CC_NCOV_ACCU_MED 0x13
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#define AB8500_GASG_CC_NCOV_ACCU_HIGH 0x14
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/*
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* Interrupt register offsets
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* Bank : 0x0E
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*/
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#define AB8500_IT_SOURCE2_REG 0x01
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#define AB8500_IT_SOURCE21_REG 0x14
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/*
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* RTC register offsets
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* Bank: 0x0F
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*/
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#define AB8500_RTC_BACKUP_CHG_REG 0x0C
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#define AB8500_RTC_CC_CONF_REG 0x01
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#define AB8500_RTC_CTRL_REG 0x0B
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#define AB8500_RTC_CTRL1_REG 0x11
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/*
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* OTP register offsets
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* Bank : 0x15
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*/
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#define AB8500_OTP_CONF_15 0x0E
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/* GPADC constants from AB8500 spec, UM0836 */
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#define ADC_RESOLUTION 1024
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#define ADC_CH_MAIN_MIN 0
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#define ADC_CH_MAIN_MAX 20030
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#define ADC_CH_VBUS_MIN 0
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#define ADC_CH_VBUS_MAX 20030
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#define ADC_CH_VBAT_MIN 2300
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#define ADC_CH_VBAT_MAX 4800
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#define ADC_CH_BKBAT_MIN 0
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#define ADC_CH_BKBAT_MAX 3200
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/* Main charge i/p current */
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#define MAIN_CH_IP_CUR_0P9A 0x80
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#define MAIN_CH_IP_CUR_1P0A 0x90
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#define MAIN_CH_IP_CUR_1P1A 0xA0
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#define MAIN_CH_IP_CUR_1P2A 0xB0
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#define MAIN_CH_IP_CUR_1P3A 0xC0
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#define MAIN_CH_IP_CUR_1P4A 0xD0
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#define MAIN_CH_IP_CUR_1P5A 0xE0
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/* ChVoltLevel */
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#define CH_VOL_LVL_3P5 0x00
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#define CH_VOL_LVL_4P0 0x14
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#define CH_VOL_LVL_4P05 0x16
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#define CH_VOL_LVL_4P1 0x1B
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#define CH_VOL_LVL_4P15 0x20
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#define CH_VOL_LVL_4P2 0x25
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#define CH_VOL_LVL_4P6 0x4D
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/* ChOutputCurrentLevel */
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#define CH_OP_CUR_LVL_0P1 0x00
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#define CH_OP_CUR_LVL_0P2 0x01
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#define CH_OP_CUR_LVL_0P3 0x02
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#define CH_OP_CUR_LVL_0P4 0x03
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#define CH_OP_CUR_LVL_0P5 0x04
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#define CH_OP_CUR_LVL_0P6 0x05
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#define CH_OP_CUR_LVL_0P7 0x06
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#define CH_OP_CUR_LVL_0P8 0x07
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#define CH_OP_CUR_LVL_0P9 0x08
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#define CH_OP_CUR_LVL_1P4 0x0D
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#define CH_OP_CUR_LVL_1P5 0x0E
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#define CH_OP_CUR_LVL_1P6 0x0F
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#define CH_OP_CUR_LVL_2P 0x3F
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/* BTEMP High thermal limits */
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#define BTEMP_HIGH_TH_57_0 0x00
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#define BTEMP_HIGH_TH_52 0x01
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#define BTEMP_HIGH_TH_57_1 0x02
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#define BTEMP_HIGH_TH_62 0x03
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/* current is mA */
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#define USB_0P1A 100
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#define USB_0P2A 200
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#define USB_0P3A 300
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#define USB_0P4A 400
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#define USB_0P5A 500
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#define LOW_BAT_3P1V 0x20
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#define LOW_BAT_2P3V 0x00
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#define LOW_BAT_RESET 0x01
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#define LOW_BAT_ENABLE 0x01
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/* Backup battery constants */
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#define BUP_ICH_SEL_50UA 0x00
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#define BUP_ICH_SEL_150UA 0x04
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#define BUP_ICH_SEL_300UA 0x08
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#define BUP_ICH_SEL_700UA 0x0C
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enum bup_vch_sel {
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BUP_VCH_SEL_2P5V,
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BUP_VCH_SEL_2P6V,
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BUP_VCH_SEL_2P8V,
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BUP_VCH_SEL_3P1V,
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/*
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* Note that the following 5 values 2.7v, 2.9v, 3.0v, 3.2v, 3.3v
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* are only available on ab8540. You can't choose these 5
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* voltage on ab8500/ab8505/ab9540.
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*/
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BUP_VCH_SEL_2P7V,
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BUP_VCH_SEL_2P9V,
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BUP_VCH_SEL_3P0V,
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BUP_VCH_SEL_3P2V,
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BUP_VCH_SEL_3P3V,
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};
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#define BUP_VCH_RANGE 0x02
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#define VBUP33_VRTCN 0x01
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/* Battery OVV constants */
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#define BATT_OVV_ENA 0x02
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#define BATT_OVV_TH_3P7 0x00
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#define BATT_OVV_TH_4P75 0x01
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/* A value to indicate over voltage */
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#define BATT_OVV_VALUE 4750
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/* VBUS OVV constants */
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#define VBUS_OVV_SELECT_MASK 0x78
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#define VBUS_OVV_SELECT_5P6V 0x00
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#define VBUS_OVV_SELECT_5P7V 0x08
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#define VBUS_OVV_SELECT_5P8V 0x10
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#define VBUS_OVV_SELECT_5P9V 0x18
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#define VBUS_OVV_SELECT_6P0V 0x20
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#define VBUS_OVV_SELECT_6P1V 0x28
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#define VBUS_OVV_SELECT_6P2V 0x30
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#define VBUS_OVV_SELECT_6P3V 0x38
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#define VBUS_AUTO_IN_CURR_LIM_ENA 0x04
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/* Fuel Gauge constants */
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#define RESET_ACCU 0x02
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#define READ_REQ 0x01
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#define CC_DEEP_SLEEP_ENA 0x02
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#define CC_PWR_UP_ENA 0x01
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#define CC_SAMPLES_40 0x28
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#define RD_NCONV_ACCU_REQ 0x01
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#define CC_CALIB 0x08
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#define CC_INTAVGOFFSET_ENA 0x10
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#define CC_MUXOFFSET 0x80
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#define CC_INT_CAL_N_AVG_MASK 0x60
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#define CC_INT_CAL_SAMPLES_16 0x40
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#define CC_INT_CAL_SAMPLES_8 0x20
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#define CC_INT_CAL_SAMPLES_4 0x00
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/* RTC constants */
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#define RTC_BUP_CH_ENA 0x10
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/* BatCtrl Current Source Constants */
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#define BAT_CTRL_7U_ENA 0x01
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#define BAT_CTRL_20U_ENA 0x02
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#define BAT_CTRL_18U_ENA 0x01
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#define BAT_CTRL_16U_ENA 0x02
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#define BAT_CTRL_CMP_ENA 0x04
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#define FORCE_BAT_CTRL_CMP_HIGH 0x08
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#define BAT_CTRL_PULL_UP_ENA 0x10
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/* Battery type */
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#define BATTERY_UNKNOWN 00
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/* Registers for pcut feature in ab8505 and ab9540 */
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#define AB8505_RTC_PCUT_CTL_STATUS_REG 0x12
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#define AB8505_RTC_PCUT_TIME_REG 0x13
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#define AB8505_RTC_PCUT_MAX_TIME_REG 0x14
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#define AB8505_RTC_PCUT_FLAG_TIME_REG 0x15
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#define AB8505_RTC_PCUT_RESTART_REG 0x16
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#define AB8505_RTC_PCUT_DEBOUNCE_REG 0x17
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/* USB Power Path constants for ab8540 */
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#define BUS_VSYS_VOL_SELECT_MASK 0x06
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#define BUS_VSYS_VOL_SELECT_3P6V 0x00
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#define BUS_VSYS_VOL_SELECT_3P325V 0x02
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#define BUS_VSYS_VOL_SELECT_3P9V 0x04
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#define BUS_VSYS_VOL_SELECT_4P3V 0x06
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#define BUS_POWER_PATH_MODE_ENA 0x01
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#define BUS_PP_PRECHG_CURRENT_MASK 0x0E
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#define BUS_POWER_PATH_PRECHG_ENA 0x01
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/*
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* ADC for the battery thermistor.
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* When using the AB8500_ADC_THERM_BATCTRL the battery ID resistor is combined
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* with a NTC resistor to both identify the battery and to measure its
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* temperature. Different phone manufactures uses different techniques to both
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* identify the battery and to read its temperature.
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*/
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enum ab8500_adc_therm {
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AB8500_ADC_THERM_BATCTRL,
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AB8500_ADC_THERM_BATTEMP,
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};
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/**
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* struct ab8500_res_to_temp - defines one point in a temp to res curve. To
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* be used in battery packs that combines the identification resistor with a
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* NTC resistor.
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* @temp: battery pack temperature in Celsius
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* @resist: NTC resistor net total resistance
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*/
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struct ab8500_res_to_temp {
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int temp;
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int resist;
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};
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/**
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* struct ab8500_v_to_cap - Table for translating voltage to capacity
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* @voltage: Voltage in mV
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* @capacity: Capacity in percent
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*/
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struct ab8500_v_to_cap {
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int voltage;
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int capacity;
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};
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/* Forward declaration */
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struct ab8500_fg;
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/**
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* struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds
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* if not specified
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* @recovery_sleep_timer: Time between measurements while recovering
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* @recovery_total_time: Total recovery time
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* @init_timer: Measurement interval during startup
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* @init_discard_time: Time we discard voltage measurement at startup
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* @init_total_time: Total init time during startup
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* @high_curr_time: Time current has to be high to go to recovery
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* @accu_charging: FG accumulation time while charging
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* @accu_high_curr: FG accumulation time in high current mode
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* @high_curr_threshold: High current threshold, in mA
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* @lowbat_threshold: Low battery threshold, in mV
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* @overbat_threshold: Over battery threshold, in mV
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* @battok_falling_th_sel0 Threshold in mV for battOk signal sel0
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* Resolution in 50 mV step.
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* @battok_raising_th_sel1 Threshold in mV for battOk signal sel1
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* Resolution in 50 mV step.
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* @user_cap_limit Capacity reported from user must be within this
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* limit to be considered as sane, in percentage
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* points.
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* @maint_thres This is the threshold where we stop reporting
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* battery full while in maintenance, in per cent
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* @pcut_enable: Enable power cut feature in ab8505
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* @pcut_max_time: Max time threshold
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* @pcut_flag_time: Flagtime threshold
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* @pcut_max_restart: Max number of restarts
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* @pcut_debounce_time: Sets battery debounce time
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*/
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struct ab8500_fg_parameters {
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int recovery_sleep_timer;
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int recovery_total_time;
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int init_timer;
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int init_discard_time;
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int init_total_time;
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int high_curr_time;
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int accu_charging;
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int accu_high_curr;
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int high_curr_threshold;
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int lowbat_threshold;
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int overbat_threshold;
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int battok_falling_th_sel0;
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int battok_raising_th_sel1;
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int user_cap_limit;
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int maint_thres;
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bool pcut_enable;
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u8 pcut_max_time;
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u8 pcut_flag_time;
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u8 pcut_max_restart;
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u8 pcut_debounce_time;
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};
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/**
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* struct ab8500_charger_maximization - struct used by the board config.
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* @use_maxi: Enable maximization for this battery type
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* @maxi_chg_curr: Maximum charger current allowed
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* @maxi_wait_cycles: cycles to wait before setting charger current
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* @charger_curr_step delta between two charger current settings (mA)
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*/
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struct ab8500_maxim_parameters {
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bool ena_maxi;
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int chg_curr;
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int wait_cycles;
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int charger_curr_step;
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};
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/**
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* struct ab8500_battery_type - different batteries supported
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* @name: battery technology
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* @resis_high: battery upper resistance limit
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* @resis_low: battery lower resistance limit
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* @charge_full_design: Maximum battery capacity in mAh
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* @nominal_voltage: Nominal voltage of the battery in mV
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* @termination_vol: max voltage upto which battery can be charged
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* @termination_curr battery charging termination current in mA
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* @recharge_cap battery capacity limit that will trigger a new
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* full charging cycle in the case where maintenan-
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* -ce charging has been disabled
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* @normal_cur_lvl: charger current in normal state in mA
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* @normal_vol_lvl: charger voltage in normal state in mV
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* @maint_a_cur_lvl: charger current in maintenance A state in mA
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* @maint_a_vol_lvl: charger voltage in maintenance A state in mV
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* @maint_a_chg_timer_h: charge time in maintenance A state
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* @maint_b_cur_lvl: charger current in maintenance B state in mA
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* @maint_b_vol_lvl: charger voltage in maintenance B state in mV
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* @maint_b_chg_timer_h: charge time in maintenance B state
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* @low_high_cur_lvl: charger current in temp low/high state in mA
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* @low_high_vol_lvl: charger voltage in temp low/high state in mV'
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* @battery_resistance: battery inner resistance in mOhm.
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* @n_r_t_tbl_elements: number of elements in r_to_t_tbl
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* @r_to_t_tbl: table containing resistance to temp points
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* @n_v_cap_tbl_elements: number of elements in v_to_cap_tbl
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* @v_to_cap_tbl: Voltage to capacity (in %) table
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* @n_batres_tbl_elements number of elements in the batres_tbl
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* @batres_tbl battery internal resistance vs temperature table
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*/
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struct ab8500_battery_type {
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int name;
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int resis_high;
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int resis_low;
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int charge_full_design;
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int nominal_voltage;
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int termination_vol;
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int termination_curr;
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int recharge_cap;
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int normal_cur_lvl;
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int normal_vol_lvl;
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int maint_a_cur_lvl;
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int maint_a_vol_lvl;
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int maint_a_chg_timer_h;
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int maint_b_cur_lvl;
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int maint_b_vol_lvl;
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int maint_b_chg_timer_h;
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int low_high_cur_lvl;
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int low_high_vol_lvl;
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int battery_resistance;
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int n_temp_tbl_elements;
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const struct ab8500_res_to_temp *r_to_t_tbl;
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int n_v_cap_tbl_elements;
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const struct ab8500_v_to_cap *v_to_cap_tbl;
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int n_batres_tbl_elements;
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const struct batres_vs_temp *batres_tbl;
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};
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/**
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* struct ab8500_bm_capacity_levels - ab8500 capacity level data
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* @critical: critical capacity level in percent
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* @low: low capacity level in percent
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* @normal: normal capacity level in percent
|
|
* @high: high capacity level in percent
|
|
* @full: full capacity level in percent
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|
*/
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|
struct ab8500_bm_capacity_levels {
|
|
int critical;
|
|
int low;
|
|
int normal;
|
|
int high;
|
|
int full;
|
|
};
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|
|
|
/**
|
|
* struct ab8500_bm_charger_parameters - Charger specific parameters
|
|
* @usb_volt_max: maximum allowed USB charger voltage in mV
|
|
* @usb_curr_max: maximum allowed USB charger current in mA
|
|
* @ac_volt_max: maximum allowed AC charger voltage in mV
|
|
* @ac_curr_max: maximum allowed AC charger current in mA
|
|
*/
|
|
struct ab8500_bm_charger_parameters {
|
|
int usb_volt_max;
|
|
int usb_curr_max;
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|
int ac_volt_max;
|
|
int ac_curr_max;
|
|
};
|
|
|
|
/**
|
|
* struct ab8500_bm_data - ab8500 battery management data
|
|
* @temp_under under this temp, charging is stopped
|
|
* @temp_low between this temp and temp_under charging is reduced
|
|
* @temp_high between this temp and temp_over charging is reduced
|
|
* @temp_over over this temp, charging is stopped
|
|
* @temp_now present battery temperature
|
|
* @temp_interval_chg temperature measurement interval in s when charging
|
|
* @temp_interval_nochg temperature measurement interval in s when not charging
|
|
* @main_safety_tmr_h safety timer for main charger
|
|
* @usb_safety_tmr_h safety timer for usb charger
|
|
* @bkup_bat_v voltage which we charge the backup battery with
|
|
* @bkup_bat_i current which we charge the backup battery with
|
|
* @no_maintenance indicates that maintenance charging is disabled
|
|
* @capacity_scaling indicates whether capacity scaling is to be used
|
|
* @ab8500_adc_therm placement of thermistor, batctrl or battemp adc
|
|
* @chg_unknown_bat flag to enable charging of unknown batteries
|
|
* @enable_overshoot flag to enable VBAT overshoot control
|
|
* @auto_trig flag to enable auto adc trigger
|
|
* @fg_res resistance of FG resistor in 0.1mOhm
|
|
* @n_btypes number of elements in array bat_type
|
|
* @batt_id index of the identified battery in array bat_type
|
|
* @interval_charging charge alg cycle period time when charging (sec)
|
|
* @interval_not_charging charge alg cycle period time when not charging (sec)
|
|
* @temp_hysteresis temperature hysteresis
|
|
* @gnd_lift_resistance Battery ground to phone ground resistance (mOhm)
|
|
* @n_chg_out_curr number of elements in array chg_output_curr
|
|
* @n_chg_in_curr number of elements in array chg_input_curr
|
|
* @chg_output_curr charger output current level map
|
|
* @chg_input_curr charger input current level map
|
|
* @maxi maximization parameters
|
|
* @cap_levels capacity in percent for the different capacity levels
|
|
* @bat_type table of supported battery types
|
|
* @chg_params charger parameters
|
|
* @fg_params fuel gauge parameters
|
|
*/
|
|
struct ab8500_bm_data {
|
|
int temp_under;
|
|
int temp_low;
|
|
int temp_high;
|
|
int temp_over;
|
|
int temp_now;
|
|
int temp_interval_chg;
|
|
int temp_interval_nochg;
|
|
int main_safety_tmr_h;
|
|
int usb_safety_tmr_h;
|
|
int bkup_bat_v;
|
|
int bkup_bat_i;
|
|
bool no_maintenance;
|
|
bool capacity_scaling;
|
|
bool chg_unknown_bat;
|
|
bool enable_overshoot;
|
|
bool auto_trig;
|
|
enum ab8500_adc_therm adc_therm;
|
|
int fg_res;
|
|
int n_btypes;
|
|
int batt_id;
|
|
int interval_charging;
|
|
int interval_not_charging;
|
|
int temp_hysteresis;
|
|
int gnd_lift_resistance;
|
|
int n_chg_out_curr;
|
|
int n_chg_in_curr;
|
|
int *chg_output_curr;
|
|
int *chg_input_curr;
|
|
const struct ab8500_maxim_parameters *maxi;
|
|
const struct ab8500_bm_capacity_levels *cap_levels;
|
|
struct ab8500_battery_type *bat_type;
|
|
const struct ab8500_bm_charger_parameters *chg_params;
|
|
const struct ab8500_fg_parameters *fg_params;
|
|
};
|
|
|
|
enum {
|
|
NTC_EXTERNAL = 0,
|
|
NTC_INTERNAL,
|
|
};
|
|
|
|
/**
|
|
* struct res_to_temp - defines one point in a temp to res curve. To
|
|
* be used in battery packs that combines the identification resistor with a
|
|
* NTC resistor.
|
|
* @temp: battery pack temperature in Celsius
|
|
* @resist: NTC resistor net total resistance
|
|
*/
|
|
struct res_to_temp {
|
|
int temp;
|
|
int resist;
|
|
};
|
|
|
|
/**
|
|
* struct batres_vs_temp - defines one point in a temp vs battery internal
|
|
* resistance curve.
|
|
* @temp: battery pack temperature in Celsius
|
|
* @resist: battery internal reistance in mOhm
|
|
*/
|
|
struct batres_vs_temp {
|
|
int temp;
|
|
int resist;
|
|
};
|
|
|
|
/* Forward declaration */
|
|
struct ab8500_fg;
|
|
|
|
extern struct ab8500_bm_data ab8500_bm_data;
|
|
|
|
void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);
|
|
struct ab8500_fg *ab8500_fg_get(void);
|
|
int ab8500_fg_inst_curr_blocking(struct ab8500_fg *dev);
|
|
int ab8500_fg_inst_curr_start(struct ab8500_fg *di);
|
|
int ab8500_fg_inst_curr_finalize(struct ab8500_fg *di, int *res);
|
|
int ab8500_fg_inst_curr_started(struct ab8500_fg *di);
|
|
int ab8500_fg_inst_curr_done(struct ab8500_fg *di);
|
|
int ab8500_bm_of_probe(struct device *dev,
|
|
struct device_node *np,
|
|
struct ab8500_bm_data *bm);
|
|
|
|
extern struct platform_driver ab8500_fg_driver;
|
|
extern struct platform_driver ab8500_btemp_driver;
|
|
extern struct platform_driver ab8500_chargalg_driver;
|
|
|
|
#endif /* _AB8500_CHARGER_H_ */
|