diff options
Diffstat (limited to 'board/akemi')
| -rw-r--r-- | board/akemi/board.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/board/akemi/board.c b/board/akemi/board.c index a9ce4d2c4b..b49b1eb041 100644 --- a/board/akemi/board.c +++ b/board/akemi/board.c @@ -42,6 +42,7 @@ #include "usb_pd.h" #include "usbc_ppc.h" #include "util.h" +#include "battery_smart.h" #define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) #define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) @@ -389,3 +390,45 @@ __override uint32_t board_override_feature_flags0(uint32_t flags0) else return flags0; } + +/* Battery functions */ +#define SB_OPTIONALMFG_FUNCTION2 0x26 +#define QUICK_CHARGE_SUPPORT 0x01 +#define QUICK_CHARGE_ENABLE 0x02 + +#define SB_QUICK_CHARGE_ENABLE 1 +#define SB_QUICK_CHARGE_DISABLE 0 + +static void sb_quick_charge_mode(int enable) +{ + int val, rv; + + rv = sb_read(SB_OPTIONALMFG_FUNCTION2, &val); + if (rv) + return; + + if (val & QUICK_CHARGE_SUPPORT) { + if (enable) + val |= QUICK_CHARGE_ENABLE; + else + val &= ~QUICK_CHARGE_ENABLE; + + sb_write(SB_OPTIONALMFG_FUNCTION2, val); + } +} + +/* Called on AP S5 -> S0 transition */ +static void board_chipset_startup(void) +{ + /* Normal charge current */ + sb_quick_charge_mode(SB_QUICK_CHARGE_DISABLE); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_INIT_I2C+1); + +/* Called on AP S0 -> S5 transition */ +static void board_chipset_shutdown(void) +{ + /* Quick charge current */ + sb_quick_charge_mode(SB_QUICK_CHARGE_ENABLE); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); |