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author | Ben Chen <ben.chen2@quanta.corp-partner.google.com> | 2020-08-21 18:42:15 +0800 |
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committer | Commit Bot <commit-bot@chromium.org> | 2020-09-04 03:00:18 +0000 |
commit | 854e4ca0471a123a9cb50fe26219bc91aa1c98a8 (patch) | |
tree | d12c1379e475cc252a958def4f361817bf42b464 /board/magolor/battery.c | |
parent | a0695f17ca648883717bebfd1afeaaaf29d78e9d (diff) | |
download | chrome-ec-854e4ca0471a123a9cb50fe26219bc91aa1c98a8.tar.gz |
magolor: Support new battery AP18C8K/AP18C4K
Add new battery config : AP18C8k/AP18C4K.
BUG=b:166237036, b:166237839, b:166736661
BRANCH=master
TEST=Check found battery info in console and cutoff work.
Change-Id: Ib352f13701c5feac5dae03fe1c82340c3828bab3
Signed-off-by: Ben Chen <ben.chen2@quanta.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2379354
Reviewed-by: Diana Z <dzigterman@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
Diffstat (limited to 'board/magolor/battery.c')
-rw-r--r-- | board/magolor/battery.c | 179 |
1 files changed, 89 insertions, 90 deletions
diff --git a/board/magolor/battery.c b/board/magolor/battery.c index cb2e03063c..e7572946b2 100644 --- a/board/magolor/battery.c +++ b/board/magolor/battery.c @@ -2,99 +2,98 @@ * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. * - * Battery pack information + * Battery pack vendor provided charging profile */ - #include "battery.h" -#include "battery_smart.h" +#include "battery_fuel_gauge.h" #include "common.h" -#include "ec_commands.h" -#include "extpower.h" - -/* Shutdown mode parameter to write to manufacturer access register */ -#define SB_SHUTDOWN_DATA 0x0010 +#include "gpio.h" +#include "util.h" -/* Battery info */ -static const struct battery_info info = { - .voltage_max = 8880, - .voltage_normal = 7700, - .voltage_min = 6000, - .precharge_current = 160, - .start_charging_min_c = 0, - .start_charging_max_c = 45, - .charging_min_c = 0, - .charging_max_c = 45, - .discharging_min_c = -20, - .discharging_max_c = 60, +/* + * Battery info for magolor battery types. Note that the fields + * start_charging_min/max and charging_min/max are not used for the charger. + * The effective temperature limits are given by discharging_min/max_c. + * + * Fuel Gauge (FG) parameters which are used for determining if the battery + * is connected, the appropriate ship mode (battery cutoff) command, and the + * charge/discharge FETs status. + * + * Ship mode (battery cutoff) requires 2 writes to the appropriate smart battery + * register. For some batteries, the charge/discharge FET bits are set when + * charging/discharging is active, in other types, these bits set mean that + * charging/discharging is disabled. Therefore, in addition to the mask for + * these bits, a disconnect value must be specified. Note that for TI fuel + * gauge, the charge/discharge FET status is found in Operation Status (0x54), + * but a read of Manufacturer Access (0x00) will return the lower 16 bits of + * Operation status which contains the FET status bits. + * + * The assumption for battery types supported is that the charge/discharge FET + * status can be read with a sb_read() command and therefore, only the register + * address, mask, and disconnect value need to be provided. + */ +const struct board_batt_params board_battery_info[] = { + /* LGC AP18C8K Battery Information */ + [BATTERY_LGC_AP18C8K] = { + .fuel_gauge = { + .manuf_name = "LGC KT0030G020", + .device_name = "AP18C8K", + .ship_mode = { + .reg_addr = 0x3A, + .reg_data = { 0xC574, 0xC574 }, + }, + .fet = { + .reg_addr = 0x43, + .reg_mask = 0x0001, + .disconnect_val = 0x0, + .cfet_mask = 0x0002, + .cfet_off_val = 0x0000, + }, + }, + .batt_info = { + .voltage_max = 13050, + .voltage_normal = 11250, + .voltage_min = 9000, + .precharge_current = 256, + .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, + }, + }, + /* Murata AP18C4K Battery Information */ + [BATTERY_MURATA_AP18C4K] = { + .fuel_gauge = { + .manuf_name = "Murata KT00304012", + .device_name = "AP18C4K", + .ship_mode = { + .reg_addr = 0x3A, + .reg_data = { 0xC574, 0xC574 }, + }, + .fet = { + .reg_addr = 0x0, + .reg_mask = 0x2000, + .disconnect_val = 0x2000, + .cfet_mask = 0x4000, + .cfet_off_val = 0x4000, + }, + }, + .batt_info = { + .voltage_max = 13200, + .voltage_normal = 11400, + .voltage_min = 9000, + .precharge_current = 256, + .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, + }, + }, }; +BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT); -const struct battery_info *battery_get_info(void) -{ - return &info; -} - -int board_cut_off_battery(void) -{ - int rv; - - /* Ship mode command must be sent twice to take effect */ - rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); - if (rv != EC_SUCCESS) - return EC_RES_ERROR; - - rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); - return rv ? EC_RES_ERROR : EC_RES_SUCCESS; -} - -enum battery_disconnect_state battery_get_disconnect_state(void) -{ - uint8_t data[6]; - int rv; - - /* - * Take note if we find that the battery isn't in disconnect state, - * and always return NOT_DISCONNECTED without probing the battery. - * This assumes the battery will not go to disconnect state during - * runtime. - */ - static int not_disconnected; - - if (not_disconnected) - return BATTERY_NOT_DISCONNECTED; - - /* Check if battery discharge FET is disabled. */ - rv = sb_read_mfgacc(PARAM_OPERATION_STATUS, - SB_ALT_MANUFACTURER_ACCESS, data, sizeof(data)); - if (rv) - return BATTERY_DISCONNECT_ERROR; - if (~data[3] & (BATTERY_DISCHARGING_DISABLED)) { - not_disconnected = 1; - return BATTERY_NOT_DISCONNECTED; - } - - /* - * Battery discharge FET is disabled. Verify that we didn't enter this - * state due to a safety fault. - */ - rv = sb_read_mfgacc(PARAM_SAFETY_STATUS, - SB_ALT_MANUFACTURER_ACCESS, data, sizeof(data)); - if (rv || data[2] || data[3] || data[4] || data[5]) - return BATTERY_DISCONNECT_ERROR; - - /* No safety fault, battery is disconnected */ - return BATTERY_DISCONNECTED; -} - -int battery_is_charge_fet_disabled(void) -{ - uint8_t data[6]; - int rv; - - /* Check if battery charge FET is disabled. */ - rv = sb_read_mfgacc(PARAM_OPERATION_STATUS, - SB_ALT_MANUFACTURER_ACCESS, data, sizeof(data)); - if (rv) - return -1; - - return !!(~data[3] & (BATTERY_CHARGING_DISABLED)); -}
\ No newline at end of file +const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_LGC_AP18C8K; |