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ec/google/wilco: Turn on wake up from lid 

Send required EC command to enable ACPI S3 wake up from lid switch.

BUG=b:120748824
TEST=Put Sarien system into S3 and then wake up from lid switch
successful.

Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Change-Id: I13f3469847b0886147b8b624311a1ece796f847b
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/c/30824
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Lijian Zhao 2019-01-10 19:31:15 -08:00 committed by Duncan Laurie
parent 2bbffc0442
commit a31872c615
3 changed files with 34 additions and 0 deletions
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9
src/ec/google/wilco/commands.c
View File

@ -158,3 +158,12 @@ int wilco_ec_radio_control(enum ec_radio radio, uint8_t state)
radio_control, ARRAY_SIZE(radio_control),
NULL, 0);
}
int wilco_ec_change_wake(uint8_t source, enum ec_wake_change change)
{
uint8_t wake_source[3] = { change, source };
return wilco_ec_mailbox(WILCO_EC_MSG_DEFAULT, KB_ACPI_WAKEUP_CHANGE,
wake_source, ARRAY_SIZE(wake_source),
NULL, 0);
}

23
src/ec/google/wilco/commands.h
View File

@ -38,6 +38,8 @@ enum {
KB_EC_INFO = 0x38,
/* Set ACPI mode on or off */
KB_ACPI = 0x3a,
/* Change ACPI wake up source */
KB_ACPI_WAKEUP_CHANGE = 0x4a,
/* Manage the EC power button passthru to the host */
KB_POWER_BUTTON_TO_HOST = 0x3e,
/* Manage the EC control of speaker mute */
@ -257,4 +259,25 @@ int wilco_ec_get_pm(struct ec_pm_event_state *pm, bool clear);
*/
int wilco_ec_get_lid_state(void);
enum ec_wake_change {
WAKE_OFF = 0,
WAKE_ON
};
/**
* wilco_ec_change_wake_source
*
* Change acpi wake up source.
* @source: Wake up source that can be enabled/disabled.
* @ec_wake_change: On/off switch.
*
* Returns -1 if the EC command failed
*/
int wilco_ec_change_wake(uint8_t source, enum ec_wake_change change);
enum ec_acpi_wake_events {
EC_ACPI_WAKE_PWRB = BIT(0), /* Wake up by power button */
EC_ACPI_WAKE_LID = BIT(1), /* Wake up by lid switch */
EC_ACPI_WAKE_RTC = BIT(5), /* Wake up by RTC */
};
#endif /* EC_GOOGLE_WILCO_COMMANDS_H */

2
src/ec/google/wilco/smihandler.c
View File

@ -26,6 +26,8 @@ void wilco_ec_smi_sleep(int slp_type)
switch (slp_type) {
case ACPI_S3:
wilco_ec_send_noargs(KB_SAVE);
wilco_ec_change_wake((EC_ACPI_WAKE_PWRB|EC_ACPI_WAKE_LID),
WAKE_ON);
wilco_ec_slp_en();
break;
case ACPI_S5: