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| author | HuangGe Haha <xiong.huang@bitland.corp-partner.google.com> | 2018-08-24 16:39:29 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-09-04 16:53:46 -0700 |
| commit | 571eb5939ef2f353cc16d725c3ce33100eab60ec (patch) | |
| tree | 1d20c9675e7a1eb3127c1edfb0e73fe1f6788618 /board | |
| parent | ba968e1782979aabc4af5cf758d601d9dd4e1112 (diff) | |
| download | chrome-ec-571eb5939ef2f353cc16d725c3ce33100eab60ec.tar.gz | |
Phaser: support quick charge function of battery
It uses normal mode of battery in S0 state and quick charge mode is
used in other states.
BUG=b:77306829
BRANCH=none
TEST=The maximum charging current is about 2000mA in S0 state and
in other states is about 3500mA.
Change-Id: I975fc51af6f15445dabea246c8beaf41547caa47
Reviewed-on: https://chromium-review.googlesource.com/1188206
Commit-Ready: Xiong Huang <xiong.huang@bitland.corp-partner.google.com>
Tested-by: Xiong Huang <xiong.huang@bitland.corp-partner.google.com>
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
Diffstat (limited to 'board')
| -rw-r--r-- | board/phaser/board.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/board/phaser/board.c b/board/phaser/board.c index def9f92519..e64e445674 100644 --- a/board/phaser/board.c +++ b/board/phaser/board.c @@ -30,6 +30,7 @@ #include "temp_sensor.h" #include "thermistor.h" #include "util.h" +#include "battery_smart.h" static uint16_t sku_id; @@ -256,3 +257,46 @@ int board_is_lid_angle_tablet_mode(void) { return board_is_convertible(); } + +/* Battery functions */ +#define SB_OPTIONALMFG_FUNCTION2 0x3e +/* Optional mfg function2 */ +#define SMART_QUICK_CHARGE (1<<12) +/* Quick charge support */ +#define MODE_QUICK_CHARGE_SUPPORT (1<<4) + +static void sb_quick_charge_mode(int enable) +{ + int val, rv; + + rv = sb_read(SB_BATTERY_MODE, &val); + if (rv || !(val & MODE_QUICK_CHARGE_SUPPORT)) + return; + + rv = sb_read(SB_OPTIONALMFG_FUNCTION2, &val); + if (rv) + return; + + if (enable) + val |= SMART_QUICK_CHARGE; + else + val &= ~SMART_QUICK_CHARGE; + + sb_write(SB_OPTIONALMFG_FUNCTION2, val); +} + +/* Called on AP S3/S0ix -> S0 transition */ +static void board_chipset_resume(void) +{ + /* Normal charge current */ + sb_quick_charge_mode(0); +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); + +/* Called on AP S0 -> S3/S0ix transition */ +static void board_chipset_suspend(void) +{ + /* Quick charge current */ + sb_quick_charge_mode(1); +} +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); |