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power: Allow host to request higher-power wakeable S3

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Allow host to request a higher-power S3 variant, "wakeable S3", in which
more wakeup sources will be enabled by the EC. The actual implementation
and list of wake sources is left up to the chipset power driver and/or
board code.

BUG=b:63037490
BRANCH=gru
TEST=With subsequent commit, compile on scarlet w/ power sequencing
version = 2.

Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: I469f0cd969052f173cb176196bb6d05f6f76fdb5
Reviewed-on: https://chromium-review.googlesource.com/572210
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Philip Chen <philipchen@chromium.org>
This commit is contained in:
Shawn Nematbakhsh
2017-07-14 13:04:19 -07:00
committed by chrome-bot
parent 5f91536386
commit 2f09d4adea
3 changed files with 10 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
common/mkbp_event.c
View File

@@ -54,8 +54,10 @@ static inline int host_is_sleeping(void)
int is_sleeping = !chipset_in_state(CHIPSET_STATE_ON);
#ifdef CONFIG_POWER_TRACK_HOST_SLEEP_STATE
enum host_sleep_event sleep_state = power_get_host_sleep_state();
is_sleeping |=
(power_get_host_sleep_state() == HOST_SLEEP_EVENT_S3_SUSPEND);
(sleep_state == HOST_SLEEP_EVENT_S3_SUSPEND ||
sleep_state == HOST_SLEEP_EVENT_S3_WAKEABLE_SUSPEND);
#endif
return is_sleeping;
}

4
include/ec_commands.h
View File

@@ -3538,7 +3538,9 @@ enum host_sleep_event {
HOST_SLEEP_EVENT_S3_SUSPEND = 1,
HOST_SLEEP_EVENT_S3_RESUME = 2,
HOST_SLEEP_EVENT_S0IX_SUSPEND = 3,
HOST_SLEEP_EVENT_S0IX_RESUME = 4
HOST_SLEEP_EVENT_S0IX_RESUME = 4,
/* S3 suspend with additional enabled wake sources */
HOST_SLEEP_EVENT_S3_WAKEABLE_SUSPEND = 5,
};
struct __ec_align1 ec_params_host_sleep_event {

5
util/ectool.c
View File

@@ -409,13 +409,16 @@ int cmd_hostsleepstate(int argc, char *argv[])
struct ec_params_host_sleep_event p;
if (argc < 2) {
fprintf(stderr, "Usage: %s [suspend|resume|freeze|thaw]\n",
fprintf(stderr, "Usage: %s "
"[suspend|wsuspend|resume|freeze|thaw]\n",
argv[0]);
return -1;
}
if (!strcmp(argv[1], "suspend"))
p.sleep_event = HOST_SLEEP_EVENT_S3_SUSPEND;
else if (!strcmp(argv[1], "wsuspend"))
p.sleep_event = HOST_SLEEP_EVENT_S3_WAKEABLE_SUSPEND;
else if (!strcmp(argv[1], "resume"))
p.sleep_event = HOST_SLEEP_EVENT_S3_RESUME;
else if (!strcmp(argv[1], "freeze"))