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msm: power: update power drivers to msm-3.4 tip

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Change-Id: Ib04f801b0085e7d5da3d73594bbc41c281b06026
Signed-off-by: Xiaozhe Shi <xiaozhes@codeaurora.org>
This commit is contained in:
Abhijeet Dharmapurikar
2012-08-28 19:33:49 -07:00
committed by Stephen Boyd
parent 2f24cb771c
commit fae0afd7be
22 changed files with 2576 additions and 1583 deletions
Download Patch File Download Diff File Expand all files Collapse all files

155
include/linux/mfd/pm8xxx/batterydata-lib.h Normal file
View File

@@ -0,0 +1,155 @@
/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __PM8XXX_BMS_BATTERYDATA_H
#define __PM8XXX_BMS_BATTERYDATA_H
#include <linux/errno.h>
#define FCC_CC_COLS 5
#define FCC_TEMP_COLS 8
#define PC_CC_ROWS 29
#define PC_CC_COLS 13
#define PC_TEMP_ROWS 29
#define PC_TEMP_COLS 8
#define MAX_SINGLE_LUT_COLS 20
struct single_row_lut {
int x[MAX_SINGLE_LUT_COLS];
int y[MAX_SINGLE_LUT_COLS];
int cols;
};
/**
* struct sf_lut -
* @rows: number of percent charge entries should be <= PC_CC_ROWS
* @cols: number of charge cycle entries should be <= PC_CC_COLS
* @row_entries: the charge cycles/temperature at which sf data
* is available in the table.
* The charge cycles must be in increasing order from 0 to rows.
* @percent: the percent charge at which sf data is available in the table
* The percentcharge must be in decreasing order from 0 to cols.
* @sf: the scaling factor data
*/
struct sf_lut {
int rows;
int cols;
int row_entries[PC_CC_COLS];
int percent[PC_CC_ROWS];
int sf[PC_CC_ROWS][PC_CC_COLS];
};
/**
* struct pc_temp_ocv_lut -
* @rows: number of percent charge entries should be <= PC_TEMP_ROWS
* @cols: number of temperature entries should be <= PC_TEMP_COLS
* @temp: the temperatures at which ocv data is available in the table
* The temperatures must be in increasing order from 0 to rows.
* @percent: the percent charge at which ocv data is available in the table
* The percentcharge must be in decreasing order from 0 to cols.
* @ocv: the open circuit voltage
*/
struct pc_temp_ocv_lut {
int rows;
int cols;
int temp[PC_TEMP_COLS];
int percent[PC_TEMP_ROWS];
int ocv[PC_TEMP_ROWS][PC_TEMP_COLS];
};
enum battery_type {
BATT_UNKNOWN = 0,
BATT_PALLADIUM,
BATT_DESAY,
};
/**
* struct bms_battery_data -
* @fcc: full charge capacity (mAmpHour)
* @fcc_temp_lut: table to get fcc at a given temp
* @pc_temp_ocv_lut: table to get percent charge given batt temp and cycles
* @pc_sf_lut: table to get percent charge scaling factor given cycles
* and percent charge
* @rbatt_sf_lut: table to get battery resistance scaling factor given
* temperature and percent charge
* @default_rbatt_mohm: the default value of battery resistance to use when
* readings from bms are not available.
* @delta_rbatt_mohm: the resistance to be added towards lower soc to
* compensate for battery capacitance.
*/
struct bms_battery_data {
unsigned int fcc;
struct single_row_lut *fcc_temp_lut;
struct single_row_lut *fcc_sf_lut;
struct pc_temp_ocv_lut *pc_temp_ocv_lut;
struct sf_lut *pc_sf_lut;
struct sf_lut *rbatt_sf_lut;
int default_rbatt_mohm;
int delta_rbatt_mohm;
};
#if defined(CONFIG_PM8921_BMS) || \
defined(CONFIG_PM8921_BMS_MODULE)
extern struct bms_battery_data palladium_1500_data;
extern struct bms_battery_data desay_5200_data;
int interpolate_fcc(struct single_row_lut *fcc_temp_lut, int batt_temp);
int interpolate_scalingfactor(struct sf_lut *sf_lut, int row_entry, int pc);
int interpolate_scalingfactor_fcc(struct single_row_lut *fcc_sf_lut,
int cycles);
int interpolate_pc(struct pc_temp_ocv_lut *pc_temp_ocv,
int batt_temp_degc, int ocv);
int interpolate_ocv(struct pc_temp_ocv_lut *pc_temp_ocv,
int batt_temp_degc, int pc);
int linear_interpolate(int y0, int x0, int y1, int x1, int x);
int is_between(int left, int right, int value);
#else
static inline int interpolate_fcc(struct single_row_lut *fcc_temp_lut,
int batt_temp)
{
return -EINVAL;
}
static inline int interpolate_scalingfactor(struct sf_lut *sf_lut,
int row_entry, int pc)
{
return -EINVAL;
}
static inline int interpolate_scalingfactor_fcc(
struct single_row_lut *fcc_sf_lut, int cycles)
{
return -EINVAL;
}
static inline int interpolate_pc(struct pc_temp_ocv_lut *pc_temp_ocv,
int batt_temp_degc, int ocv)
{
return -EINVAL;
}
static inline int interpolate_ocv(struct pc_temp_ocv_lut *pc_temp_ocv,
int batt_temp_degc, int pc)
{
return -EINVAL;
}
static inline int linear_interpolate(int y0, int x0, int y1, int x1, int x)
{
return -EINVAL;
}
static inline int is_between(int left, int right, int value)
{
return -EINVAL;
}
#endif
#endif

12
include/linux/mfd/pm8xxx/ccadc.h
View File

@@ -17,14 +17,20 @@
#define PM8XXX_CCADC_DEV_NAME "pm8xxx-ccadc"
struct pm8xxx_ccadc_core_data {
unsigned int batt_temp_channel;
};
/**
* struct pm8xxx_ccadc_platform_data -
* @r_sense: sense resistor value in (mOhms)
* @ccadc_cdata: core data for the ccadc driver containing channel info
* @r_sense_uohm: sense resistor value in (micro Ohms)
* @calib_delay_ms: how often should the adc calculate gain and offset
*/
struct pm8xxx_ccadc_platform_data {
int r_sense;
unsigned int calib_delay_ms;
struct pm8xxx_ccadc_core_data ccadc_cdata;
int r_sense_uohm;
unsigned int calib_delay_ms;
};
#define CCADC_READING_RESOLUTION_N 542535

31
include/linux/mfd/pm8xxx/core.h
View File

@@ -75,6 +75,27 @@ enum pm8xxx_version {
#define PM8XXX_REVISION_8917_TEST 0
#define PM8XXX_REVISION_8917_1p0 1
#define PM8XXX_RESTART_UNKNOWN 0
#define PM8XXX_RESTART_CBL 1
#define PM8XXX_RESTART_KPD 2
#define PM8XXX_RESTART_CHG 3
#define PM8XXX_RESTART_SMPL 4
#define PM8XXX_RESTART_RTC 5
#define PM8XXX_RESTART_HARD_RESET 6
#define PM8XXX_RESTART_GEN_PURPOSE 7
#define PM8XXX_RESTART_REASON_MASK 0x07
static const char * const pm8xxx_restart_reason_str[] = {
[0] = "Unknown",
[1] = "Triggered from CBL (external charger)",
[2] = "Triggered from KPD (power key press)",
[3] = "Triggered from CHG (usb charger insertion)",
[4] = "Triggered from SMPL (sudden momentary power loss)",
[5] = "Triggered from RTC (real time clock)",
[6] = "Triggered by Hard Reset",
[7] = "Triggered by General Purpose Trigger",
};
struct pm8xxx_drvdata {
int (*pmic_readb) (const struct device *dev,
u16 addr, u8 *val);
@@ -88,6 +109,8 @@ struct pm8xxx_drvdata {
int irq);
enum pm8xxx_version (*pmic_get_version) (const struct device *dev);
int (*pmic_get_revision) (const struct device *dev);
u8 (*pmic_restart_reason)
(const struct device *dev);
void *pm_chip_data;
};
@@ -156,4 +179,12 @@ static inline int pm8xxx_get_revision(const struct device *dev)
return dd->pmic_get_revision(dev);
}
static inline u8 pm8xxx_restart_reason(const struct device *dev)
{
struct pm8xxx_drvdata *dd = dev_get_drvdata(dev);
if (!dd)
return -EINVAL;
return dd->pmic_restart_reason(dev);
}
#endif

122
include/linux/mfd/pm8xxx/pm8921-bms.h
View File

@@ -1,4 +1,4 @@
/* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
/* Copyright (c) 2011-2013, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -14,87 +14,10 @@
#define __PM8XXX_BMS_H
#include <linux/errno.h>
#include <linux/mfd/pm8xxx/batterydata-lib.h>
#define PM8921_BMS_DEV_NAME "pm8921-bms"
#define FCC_CC_COLS 5
#define FCC_TEMP_COLS 8
#define PC_CC_ROWS 29
#define PC_CC_COLS 13
#define PC_TEMP_ROWS 29
#define PC_TEMP_COLS 8
#define MAX_SINGLE_LUT_COLS 20
struct single_row_lut {
int x[MAX_SINGLE_LUT_COLS];
int y[MAX_SINGLE_LUT_COLS];
int cols;
};
/**
* struct sf_lut -
* @rows: number of percent charge entries should be <= PC_CC_ROWS
* @cols: number of charge cycle entries should be <= PC_CC_COLS
* @row_entries: the charge cycles/temperature at which sf data
* is available in the table.
* The charge cycles must be in increasing order from 0 to rows.
* @percent: the percent charge at which sf data is available in the table
* The percentcharge must be in decreasing order from 0 to cols.
* @sf: the scaling factor data
*/
struct sf_lut {
int rows;
int cols;
int row_entries[PC_CC_COLS];
int percent[PC_CC_ROWS];
int sf[PC_CC_ROWS][PC_CC_COLS];
};
/**
* struct pc_temp_ocv_lut -
* @rows: number of percent charge entries should be <= PC_TEMP_ROWS
* @cols: number of temperature entries should be <= PC_TEMP_COLS
* @temp: the temperatures at which ocv data is available in the table
* The temperatures must be in increasing order from 0 to rows.
* @percent: the percent charge at which ocv data is available in the table
* The percentcharge must be in decreasing order from 0 to cols.
* @ocv: the open circuit voltage
*/
struct pc_temp_ocv_lut {
int rows;
int cols;
int temp[PC_TEMP_COLS];
int percent[PC_TEMP_ROWS];
int ocv[PC_TEMP_ROWS][PC_TEMP_COLS];
};
/**
* struct pm8921_bms_battery_data -
* @fcc: full charge capacity (mAmpHour)
* @fcc_temp_lut: table to get fcc at a given temp
* @pc_temp_ocv_lut: table to get percent charge given batt temp and cycles
* @pc_sf_lut: table to get percent charge scaling factor given cycles
* and percent charge
* @rbatt_sf_lut: table to get battery resistance scaling factor given
* temperature and percent charge
* @default_rbatt_mohm: the default value of battery resistance to use when
* readings from bms are not available.
* @delta_rbatt_mohm: the resistance to be added towards lower soc to
* compensate for battery capacitance.
*/
struct pm8921_bms_battery_data {
unsigned int fcc;
struct single_row_lut *fcc_temp_lut;
struct single_row_lut *fcc_sf_lut;
struct pc_temp_ocv_lut *pc_temp_ocv_lut;
struct sf_lut *pc_sf_lut;
struct sf_lut *rbatt_sf_lut;
int default_rbatt_mohm;
int delta_rbatt_mohm;
};
struct pm8xxx_bms_core_data {
unsigned int batt_temp_channel;
@@ -104,27 +27,25 @@ struct pm8xxx_bms_core_data {
unsigned int batt_id_channel;
};
enum battery_type {
BATT_UNKNOWN = 0,
BATT_PALLADIUM,
BATT_DESAY,
};
/**
* struct pm8921_bms_platform_data -
* @batt_type: allows to force chose battery calibration data
* @r_sense: sense resistor value in (mOhms)
* @r_sense_uohm: sense resistor value in (micro Ohms)
* @i_test: current at which the unusable charger cutoff is to be
* calculated or the peak system current (mA)
* @v_cutoff: the loaded voltage at which the battery
* is considered empty(mV)
* @enable_fcc_learning: if set the driver will learn full charge
* capacity of the battery upon end of charge
* @normal_voltage_calc_ms: The period of soc calculation in ms when battery
* voltage higher than cutoff voltage
* @low_voltage_calc_ms: The period of soc calculation in ms when battery
* voltage is near cutoff voltage
*/
struct pm8921_bms_platform_data {
struct pm8xxx_bms_core_data bms_cdata;
enum battery_type battery_type;
unsigned int r_sense;
int r_sense_uohm;
unsigned int i_test;
unsigned int v_cutoff;
unsigned int max_voltage_uv;
@@ -134,11 +55,11 @@ struct pm8921_bms_platform_data {
int ignore_shutdown_soc;
int adjust_soc_low_threshold;
int chg_term_ua;
int normal_voltage_calc_ms;
int low_voltage_calc_ms;
};
#if defined(CONFIG_PM8921_BMS) || defined(CONFIG_PM8921_BMS_MODULE)
extern struct pm8921_bms_battery_data palladium_1500_data;
extern struct pm8921_bms_battery_data desay_5200_data;
/**
* pm8921_bms_get_vsense_avg - return the voltage across the sense
* resitor in microvolts
@@ -202,9 +123,11 @@ void pm8921_bms_calibrate_hkadc(void);
int pm8921_bms_get_simultaneous_battery_voltage_and_current(int *ibat_ua,
int *vbat_uv);
/**
* pm8921_bms_get_rbatt - function to get the battery resistance in mOhm.
* pm8921_bms_get_current_max
* - function to get the max current that can be drawn from
* the battery before it dips below the min allowed voltage
*/
int pm8921_bms_get_rbatt(void);
int pm8921_bms_get_current_max(void);
/**
* pm8921_bms_invalidate_shutdown_soc - function to notify the bms driver that
* the battery was replaced between reboot
@@ -212,6 +135,15 @@ int pm8921_bms_get_rbatt(void);
* soc stored in a coincell backed register
*/
void pm8921_bms_invalidate_shutdown_soc(void);
/**
* pm8921_bms_cc_uah - function to get the coulomb counter based charge. Note
* that the coulomb counter are reset when the current
* consumption is low (below 8mA for more than 5 minutes),
* This will lead in a very low coulomb counter charge
* value upon wakeup from sleep.
*/
int pm8921_bms_cc_uah(int *cc_uah);
#else
static inline int pm8921_bms_get_vsense_avg(int *result)
{
@@ -250,6 +182,14 @@ static inline int pm8921_bms_get_rbatt(void)
static inline void pm8921_bms_invalidate_shutdown_soc(void)
{
}
static inline int pm8921_bms_cc_uah(int *cc_uah)
{
return -ENXIO;
}
static inline int pm8921_bms_get_current_max(void)
{
return -ENXIO;
}
#endif
#endif

62
include/linux/mfd/pm8xxx/pm8921-charger.h
View File

@@ -58,19 +58,25 @@ enum pm8921_chg_led_src_config {
/**
* struct pm8921_charger_platform_data -
* @safety_time: max charging time in minutes incl. fast and trkl
* valid range 4 to 512 min. PON default 120 min
* @ttrkl_time: max trckl charging time in minutes
* valid range 1 to 64 mins. PON default 15 min
* @update_time: how often the userland be updated of the charging (msec)
* @alarm_voltage: the voltage (mV) when lower battery alarm is triggered
* @alarm_low_mv: the voltage (mV) when low battery alarm is triggered
* @alarm_high_mv: the voltage (mV) when high battery alarm is triggered
* @max_voltage: the max voltage (mV) the battery should be charged up to
* @min_voltage: the voltage (mV) where charging method switches from
* trickle to fast. This is also the minimum voltage the
* system operates at
* @uvd_thresh_voltage: the USB falling UVD threshold (mV) (PM8917 only)
* @safe_current_ma: The upper limit of current allowed to be pushed in
* battery. This ends up writing in a one time
* programmable register.
* @resume_voltage_delta: the (mV) drop to wait for before resume charging
* after the battery has been fully charged
* @resume_charge_percent: the % SOC the charger will drop to after the
* battery is fully charged before resuming
* charging.
* @term_current: the charger current (mA) at which EOC happens
* @cool_temp: the temperature (degC) at which the battery is
* considered cool charging current and voltage is reduced.
@@ -83,6 +89,7 @@ enum pm8921_chg_led_src_config {
* area
* @max_bat_chg_current: Max charge current of the battery in mA
* Usually 70% of full charge capacity
* @usb_max_current: Maximum USB current in mA
* @cool_bat_chg_current: chg current (mA) when the battery is cool
* @warm_bat_chg_current: chg current (mA) when the battery is warm
* @cool_bat_voltage: chg voltage (mV) when the battery is cool
@@ -90,10 +97,6 @@ enum pm8921_chg_led_src_config {
* @get_batt_capacity_percent:
* a board specific function to return battery
* capacity. If null - a default one will be used
* @dc_unplug_check: enables the reverse boosting fix for the DC_IN line
* however, this should only be enabled for devices which
* control the DC OVP FETs otherwise this option should
* remain disabled
* @has_dc_supply: report DC online if this bit is set in board file
* @trkl_voltage: the trkl voltage in (mV) below which hw controlled
* trkl charging happens with linear charger
@@ -120,22 +123,44 @@ enum pm8921_chg_led_src_config {
* resistance of the pads, connectors, battery terminals
* and rsense.
* @led_src_config: Power source for anode of charger indicator LED.
* @btc_override: disable the comparators for conifugrations where a
* suitable voltages don't appear on vbatt therm line
* for the charger to detect battery is either cold / hot.
* @btc_override_cold_degc: Temperature in degCelcius when the battery is
* deemed cold and charging never happens. Used
* only if btc_override = 1
* @btc_override_hot_degc: Temperature in degCelcius when the battery is
* deemed hot and charging never happens. Used
* only if btc_override = 1
* @btc_delay_ms: Delay in milliseconds to monitor the battery temperature
* while charging when btc_override = 1
* @btc_panic_if_cant_stop_chg: flag to instruct the driver to panic if the
* driver couldn't stop charging when battery
* temperature is out of bounds. Used only if
* btc_override = 1
* stop_chg_upon_expiry: flag to indicate that the charger driver should
* stop charging the battery when the safety timer
* expires. If not set the charger driver will
* restart charging upon expiry.
*/
struct pm8921_charger_platform_data {
struct pm8xxx_charger_core_data charger_cdata;
unsigned int safety_time;
unsigned int ttrkl_time;
unsigned int update_time;
unsigned int max_voltage;
unsigned int min_voltage;
unsigned int uvd_thresh_voltage;
unsigned int alarm_voltage;
unsigned int safe_current_ma;
unsigned int alarm_low_mv;
unsigned int alarm_high_mv;
unsigned int resume_voltage_delta;
int resume_charge_percent;
unsigned int term_current;
int cool_temp;
int warm_temp;
unsigned int temp_check_period;
unsigned int max_bat_chg_current;
unsigned int usb_max_current;
unsigned int cool_bat_chg_current;
unsigned int warm_bat_chg_current;
unsigned int cool_bat_voltage;
@@ -144,7 +169,6 @@ struct pm8921_charger_platform_data {
int64_t batt_id_min;
int64_t batt_id_max;
bool keep_btm_on_suspend;
bool dc_unplug_check;
bool has_dc_supply;
int trkl_voltage;
int weak_voltage;
@@ -157,6 +181,13 @@ struct pm8921_charger_platform_data {
enum pm8921_chg_hot_thr hot_thr;
int rconn_mohm;
enum pm8921_chg_led_src_config led_src_config;
int battery_less_hardware;
int btc_override;
int btc_override_cold_degc;
int btc_override_hot_degc;
int btc_delay_ms;
int btc_panic_if_cant_stop_chg;
int stop_chg_upon_expiry;
};
enum pm8921_charger_source {
@@ -169,15 +200,6 @@ enum pm8921_charger_source {
void pm8921_charger_vbus_draw(unsigned int mA);
int pm8921_charger_register_vbus_sn(void (*callback)(int));
void pm8921_charger_unregister_vbus_sn(void (*callback)(int));
/**
* pm8921_charger_enable -
*
* @enable: 1 means enable charging, 0 means disable
*
* Enable/Disable battery charging current, the device will still draw current
* from the charging source
*/
int pm8921_charger_enable(bool enable);
/**
* pm8921_is_usb_chg_plugged_in - is usb plugged in
@@ -309,10 +331,6 @@ static inline int pm8921_charger_register_vbus_sn(void (*callback)(int))
static inline void pm8921_charger_unregister_vbus_sn(void (*callback)(int))
{
}
static inline int pm8921_charger_enable(bool enable)
{
return -ENXIO;
}
static inline int pm8921_is_usb_chg_plugged_in(void)
{
return -ENXIO;