diff options
| -rw-r--r-- | board/morphius/board.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/board/morphius/board.c b/board/morphius/board.c index 12c9984532..a8eed89e5e 100644 --- a/board/morphius/board.c +++ b/board/morphius/board.c @@ -5,6 +5,7 @@ /* Morphius board configuration */ +#include "battery_smart.h" #include "button.h" #include "driver/accelgyro_bmi160.h" #include "driver/accel_kionix.h" @@ -384,3 +385,40 @@ int fan_percent_to_rpm(int fan, int pct) return fan_table[current_level].rpm; } + +/* Battery functions */ +#define SB_OPTIONALMFG_FUNCTION2 0x26 +#define SMART_CHARGE_SUPPORT 0x01 +#define SMART_CHARGE_ENABLE 0x02 +#define SB_SMART_CHARGE_ENABLE 1 +#define SB_SMART_CHARGE_DISABLE 0 +static void sb_smart_charge_mode(int enable) +{ + int val, rv; + + rv = sb_read(SB_OPTIONALMFG_FUNCTION2, &val); + if (rv) + return; + if (val & SMART_CHARGE_SUPPORT) { + if (enable) + val |= SMART_CHARGE_ENABLE; + else + val &= ~SMART_CHARGE_ENABLE; + sb_write(SB_OPTIONALMFG_FUNCTION2, val); + } +} +/* Called on AP S3 -> S0 transition */ +static void board_chipset_startup(void) +{ + /* Normal charge current */ + sb_smart_charge_mode(SB_SMART_CHARGE_DISABLE); +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_startup, HOOK_PRIO_DEFAULT); + +/* Called on AP S0 -> S3 transition */ +static void board_chipset_suspend(void) +{ + /* SMART charge current */ + sb_smart_charge_mode(SB_SMART_CHARGE_ENABLE); +} +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); |