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>
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@ -4045,6 +4045,40 @@ struct ec_params_dedicated_charger_limit {
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uint16_t voltage_lim; /* in mV */
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} __ec_align2;
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/*****************************************************************************/
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/* Hibernate/Deep Sleep Commands */
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/* Set the delay before going into hibernation. */
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#define EC_CMD_HIBERNATION_DELAY 0x00A8
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struct ec_params_hibernation_delay {
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/*
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* Seconds to wait in G3 before hibernate. Pass in 0 to read the
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* current settings without changing them.
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*/
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uint32_t seconds;
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} __ec_align4;
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struct ec_response_hibernation_delay {
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/*
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* The current time in seconds in which the system has been in the G3
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* state. This value is reset if the EC transitions out of G3.
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*/
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uint32_t time_g3;
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/*
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* The current time remaining in seconds until the EC should hibernate.
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* This value is also reset if the EC transitions out of G3.
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*/
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uint32_t time_remaining;
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/*
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* The current time in seconds that the EC should wait in G3 before
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* hibernating.
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*/
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uint32_t hibernate_delay;
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} __ec_align4;
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/* Inform the EC when entering a sleep state */
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#define EC_CMD_HOST_SLEEP_EVENT 0x00A9
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@ -4052,7 +4086,9 @@ enum host_sleep_event {
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HOST_SLEEP_EVENT_S3_SUSPEND = 1,
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HOST_SLEEP_EVENT_S3_RESUME = 2,
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HOST_SLEEP_EVENT_S0IX_SUSPEND = 3,
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HOST_SLEEP_EVENT_S0IX_RESUME = 4
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HOST_SLEEP_EVENT_S0IX_RESUME = 4,
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/* S3 suspend with additional enabled wake sources */
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HOST_SLEEP_EVENT_S3_WAKEABLE_SUSPEND = 5,
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};
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struct ec_params_host_sleep_event {
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@ -4116,6 +4152,36 @@ struct ec_response_host_sleep_event_v1 {
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};
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} __ec_align4;
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/*****************************************************************************/
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/* Device events */
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#define EC_CMD_DEVICE_EVENT 0x00AA
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enum ec_device_event {
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EC_DEVICE_EVENT_TRACKPAD,
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EC_DEVICE_EVENT_DSP,
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EC_DEVICE_EVENT_WIFI,
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};
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enum ec_device_event_param {
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/* Get and clear pending device events */
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EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS,
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/* Get device event mask */
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EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS,
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/* Set device event mask */
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EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS,
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};
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#define EC_DEVICE_EVENT_MASK(event_code) BIT(event_code % 32)
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struct ec_params_device_event {
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uint32_t event_mask;
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uint8_t param;
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} __ec_align_size1;
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struct ec_response_device_event {
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uint32_t event_mask;
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} __ec_align4;
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/*****************************************************************************/
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/* Smart battery pass-through */
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@ -4361,12 +4427,14 @@ enum ec_reboot_cmd {
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/* (command 3 was jump to RW-B) */
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EC_REBOOT_COLD = 4, /* Cold-reboot */
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EC_REBOOT_DISABLE_JUMP = 5, /* Disable jump until next reboot */
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EC_REBOOT_HIBERNATE = 6 /* Hibernate EC */
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EC_REBOOT_HIBERNATE = 6, /* Hibernate EC */
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EC_REBOOT_HIBERNATE_CLEAR_AP_OFF = 7, /* and clears AP_OFF flag */
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};
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/* Flags for ec_params_reboot_ec.reboot_flags */
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#define EC_REBOOT_FLAG_RESERVED0 BIT(0) /* Was recovery request */
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#define EC_REBOOT_FLAG_ON_AP_SHUTDOWN BIT(1) /* Reboot after AP shutdown */
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#define EC_REBOOT_FLAG_SWITCH_RW_SLOT BIT(2) /* Switch RW slot */
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struct ec_params_reboot_ec {
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uint8_t cmd; /* enum ec_reboot_cmd */
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