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author | Gwendal Grignou <gwendal@chromium.org> | 2019-06-03 11:33:52 -0700 |
---|---|---|
committer | Lee Jones <lee.jones@linaro.org> | 2019-06-10 09:15:08 +0100 |
commit | b92be99f37427fbc5deb6cb1a246f096e302f92d (patch) | |
tree | 3eabaaccad5e747aed6048946974572429868c62 /include/linux/mfd | |
parent | fd5372848a6fab0f4ec80c554f384cb1a8c19bb7 (diff) | |
download | linux-b92be99f37427fbc5deb6cb1a246f096e302f92d.tar.gz linux-b92be99f37427fbc5deb6cb1a246f096e302f92d.tar.bz2 linux-b92be99f37427fbc5deb6cb1a246f096e302f92d.zip |
mfd: cros_ec: Add Hibernate API
Add support for controlling hibernation of the Embedded Controller.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Fabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'include/linux/mfd')
-rw-r--r-- | include/linux/mfd/cros_ec_commands.h | 72 |
1 files changed, 70 insertions, 2 deletions
diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h index cc054a0a4c4c..7f98c6e63ad1 100644 --- a/include/linux/mfd/cros_ec_commands.h +++ b/include/linux/mfd/cros_ec_commands.h @@ -4045,6 +4045,40 @@ struct ec_params_dedicated_charger_limit { uint16_t voltage_lim; /* in mV */ } __ec_align2; +/*****************************************************************************/ +/* Hibernate/Deep Sleep Commands */ + +/* Set the delay before going into hibernation. */ +#define EC_CMD_HIBERNATION_DELAY 0x00A8 + +struct ec_params_hibernation_delay { + /* + * Seconds to wait in G3 before hibernate. Pass in 0 to read the + * current settings without changing them. + */ + uint32_t seconds; +} __ec_align4; + +struct ec_response_hibernation_delay { + /* + * The current time in seconds in which the system has been in the G3 + * state. This value is reset if the EC transitions out of G3. + */ + uint32_t time_g3; + + /* + * The current time remaining in seconds until the EC should hibernate. + * This value is also reset if the EC transitions out of G3. + */ + uint32_t time_remaining; + + /* + * The current time in seconds that the EC should wait in G3 before + * hibernating. + */ + uint32_t hibernate_delay; +} __ec_align4; + /* Inform the EC when entering a sleep state */ #define EC_CMD_HOST_SLEEP_EVENT 0x00A9 @@ -4052,7 +4086,9 @@ 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_params_host_sleep_event { @@ -4117,6 +4153,36 @@ struct ec_response_host_sleep_event_v1 { } __ec_align4; /*****************************************************************************/ +/* Device events */ +#define EC_CMD_DEVICE_EVENT 0x00AA + +enum ec_device_event { + EC_DEVICE_EVENT_TRACKPAD, + EC_DEVICE_EVENT_DSP, + EC_DEVICE_EVENT_WIFI, +}; + +enum ec_device_event_param { + /* Get and clear pending device events */ + EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS, + /* Get device event mask */ + EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS, + /* Set device event mask */ + EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS, +}; + +#define EC_DEVICE_EVENT_MASK(event_code) BIT(event_code % 32) + +struct ec_params_device_event { + uint32_t event_mask; + uint8_t param; +} __ec_align_size1; + +struct ec_response_device_event { + uint32_t event_mask; +} __ec_align4; + +/*****************************************************************************/ /* Smart battery pass-through */ /* Get / Set 16-bit smart battery registers */ @@ -4361,12 +4427,14 @@ enum ec_reboot_cmd { /* (command 3 was jump to RW-B) */ EC_REBOOT_COLD = 4, /* Cold-reboot */ EC_REBOOT_DISABLE_JUMP = 5, /* Disable jump until next reboot */ - EC_REBOOT_HIBERNATE = 6 /* Hibernate EC */ + EC_REBOOT_HIBERNATE = 6, /* Hibernate EC */ + EC_REBOOT_HIBERNATE_CLEAR_AP_OFF = 7, /* and clears AP_OFF flag */ }; /* Flags for ec_params_reboot_ec.reboot_flags */ #define EC_REBOOT_FLAG_RESERVED0 BIT(0) /* Was recovery request */ #define EC_REBOOT_FLAG_ON_AP_SHUTDOWN BIT(1) /* Reboot after AP shutdown */ +#define EC_REBOOT_FLAG_SWITCH_RW_SLOT BIT(2) /* Switch RW slot */ struct ec_params_reboot_ec { uint8_t cmd; /* enum ec_reboot_cmd */ |