From 412246836f7fa4f99ca89e760e7a0a84092e8c13 Mon Sep 17 00:00:00 2001 From: Devin Lu Date: Fri, 12 Nov 2021 10:46:56 +0800 Subject: intel_x86: Apply chipset resume init and suspend complete hooks The CL:2321875 introduced a hook for chipset resume init and suspend complete. The application was applied for SPI driver for sc7180. This patch applies to intel_x86 as well. The benefit that we can initial the devices (such as PCHG) prior the chipset resume and shutdown the devices after the chipset suspend is completed. BUG=b:205675485 BRANCH=None TEST=make buildall -j Signed-off-by: Devin Lu Change-Id: I7ded958e1d2722b2e48c21466ff6fd2f82ecc5e7 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3276030 Reviewed-by: Daisuke Nojiri --- power/intel_x86.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/power/intel_x86.c b/power/intel_x86.c index 8c8ee908eb..c682b3f078 100644 --- a/power/intel_x86.c +++ b/power/intel_x86.c @@ -390,6 +390,10 @@ enum power_state common_intel_x86_power_handle_state(enum power_state state) lpc_s3_resume_clear_masks(); +#ifdef CONFIG_CHIPSET_RESUME_INIT_HOOK + /* Call hooks prior to chipset resume */ + hook_notify(HOOK_CHIPSET_RESUME_INIT); +#endif /* Call hooks now that rails are up */ hook_notify(HOOK_CHIPSET_RESUME); @@ -412,8 +416,13 @@ enum power_state common_intel_x86_power_handle_state(enum power_state state) return POWER_S0; case POWER_S0S3: + /* Call hooks before we remove power rails */ hook_notify(HOOK_CHIPSET_SUSPEND); +#ifdef CONFIG_CHIPSET_RESUME_INIT_HOOK + /* Call hooks after chipset suspend */ + hook_notify(HOOK_CHIPSET_SUSPEND_COMPLETE); +#endif /* Suspend wireless */ wireless_set_state(WIRELESS_SUSPEND); @@ -445,6 +454,11 @@ enum power_state common_intel_x86_power_handle_state(enum power_state state) * to go into deep sleep in S0ix. */ enable_sleep(SLEEP_MASK_AP_RUN); + +#ifdef CONFIG_CHIPSET_RESUME_INIT_HOOK + hook_notify(HOOK_CHIPSET_SUSPEND_COMPLETE); +#endif + return POWER_S0ix; case POWER_S0ixS0: @@ -454,6 +468,10 @@ enum power_state common_intel_x86_power_handle_state(enum power_state state) */ disable_sleep(SLEEP_MASK_AP_RUN); +#ifdef CONFIG_CHIPSET_RESUME_INIT_HOOK + hook_notify(HOOK_CHIPSET_RESUME_INIT); +#endif + sleep_resume_transition(); return POWER_S0; #endif -- cgit v1.2.1