From 9dbe791241d90d01c36a57688e46ce3d1343d281 Mon Sep 17 00:00:00 2001 From: Ryan Zhang Date: Wed, 18 Jan 2017 08:59:20 +0800 Subject: Electro: Add Panasonic battery config + normal config + shipping mode command + DischargeFET reference + fast charge config BUG=chrome-os-partner:61559 BRANCH=firmware-reef-9042.B TEST=cutoff battery and AC in, system will not die Change-Id: I4d93978db48c1d62fe1e09de2bf757c8b034b3d9 Signed-off-by: Ryan Zhang Reviewed-on: https://chromium-review.googlesource.com/425616 Commit-Ready: Ryan Zhang Tested-by: Ryan Zhang Reviewed-by: Aaron Durbin --- board/reef/battery.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) diff --git a/board/reef/battery.c b/board/reef/battery.c index 6e5f616243..f2e630fe7b 100644 --- a/board/reef/battery.c +++ b/board/reef/battery.c @@ -23,6 +23,7 @@ enum battery_type { BATTERY_SONY_CORP, + BATTERY_PANASONIC, BATTERY_SMP_COS4870, BATTERY_SMP_C22N1626, BATTERY_CPT_C22N1626, @@ -52,6 +53,7 @@ struct board_batt_params { #define DEFAULT_BATTERY_TYPE BATTERY_SONY_CORP #define SONY_DISCHARGE_DISABLE_FET_BIT (0x01 << 13) +#define PANASONIC_DISCHARGE_ENABLE_FET_BIT (0x01 << 14) #define C22N1626_DISCHARGE_ENABLE_FET_BIT (0x01 << 0) /* keep track of previous charge profile info */ @@ -177,6 +179,60 @@ const struct battery_info batt_info_sonycorp = { .discharging_max_c = 75, }; +static const struct fast_charge_profile fast_charge_panasonic_info[] = { + /* < 0C */ + [TEMP_RANGE_0] = { + .temp_c = TEMPC_TENTHS_OF_DEG(-1), + .current_mA = { + [VOLTAGE_RANGE_LOW] = 0, + [VOLTAGE_RANGE_HIGH] = 0, + }, + }, + + /* 0C >= && <= 60C */ + [TEMP_RANGE_1] = { + .temp_c = TEMPC_TENTHS_OF_DEG(60), + .current_mA = { + [VOLTAGE_RANGE_LOW] = 3072, + [VOLTAGE_RANGE_HIGH] = 3072, + }, + }, + + /* > 60C */ + [TEMP_RANGE_2] = { + .temp_c = TEMPC_TENTHS_OF_DEG(CHARGER_PROF_TEMP_C_LAST_RANGE), + .current_mA = { + [VOLTAGE_RANGE_LOW] = 0, + [VOLTAGE_RANGE_HIGH] = 0, + }, + }, +}; + +static const struct fast_charge_params fast_chg_params_panasonic = { + .total_temp_ranges = ARRAY_SIZE(fast_charge_panasonic_info), + .default_temp_range_profile = TEMP_RANGE_1, + .vtg_low_limit_mV = 8000, + .chg_profile_info = &fast_charge_panasonic_info[0], +}; + +const struct battery_info batt_info_panasoic = { + .voltage_max = 8800, /* mV */ + .voltage_normal = 7700, + + /* + * Actual value 6000mV, added 100mV for charger accuracy so that + * unwanted low VSYS_Prochot# assertion can be avoided. + */ + .voltage_min = 6100, + .precharge_current = 256, /* mA */ + .start_charging_min_c = 0, + .start_charging_max_c = 50, + .charging_min_c = 0, + .charging_max_c = 60, + .discharging_min_c = -20, + .discharging_max_c = 75, +}; + static const struct fast_charge_profile fast_charge_smp_c22n1626_info[] = { /* < 1C */ [TEMP_RANGE_0] = { @@ -307,6 +363,20 @@ static int batt_sony_corp_init(void) !(batt_status & SONY_DISCHARGE_DISABLE_FET_BIT); } +static int batt_panasonic_init(void) +{ + int batt_status; + + /* + * SB_MANUFACTURER_ACCESS: + * [14] : Discharging Disabled + * : 0b - Not Allowed to Discharge + * : 1b - Allowed to Discharge + */ + return sb_read(SB_MANUFACTURER_ACCESS, &batt_status) ? 0 : + !!(batt_status & PANASONIC_DISCHARGE_ENABLE_FET_BIT); +} + static int batt_c22n1626_init(void) { int batt_status; @@ -333,6 +403,12 @@ static const struct ship_mode_info ship_mode_info_sonycorp = { .batt_init = batt_sony_corp_init, }; +static const struct ship_mode_info ship_mode_info_panasonic = { + .ship_mode_reg = 0x3A, + .ship_mode_data = 0xC574, + .batt_init = batt_panasonic_init, +}; + static const struct ship_mode_info ship_mode_info_c22n1626= { .ship_mode_reg = 0x00, .ship_mode_data = 0x0010, @@ -348,6 +424,14 @@ static const struct board_batt_params info[] = { .batt_info = &batt_info_sonycorp, }, + /* RAJ240045 Panasoic battery specific configurations */ + [BATTERY_PANASONIC] = { + .manuf_name = "PANASONIC", + .ship_mode_inf = &ship_mode_info_panasonic, + .fast_chg_params = &fast_chg_params_panasonic, + .batt_info = &batt_info_panasoic, + }, + /* BQ40Z55 SMP COS4870 BATTERY battery specific configurations */ [BATTERY_SMP_COS4870] = { .manuf_name = "SMP-COS4870", -- cgit v1.2.1