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authorSimon Glass <sjg@chromium.org>2018-11-06 15:21:22 -0700
committerSimon Glass <sjg@chromium.org>2018-11-20 19:14:22 -0700
commit72ef8bfd6dd83412577f9c5da8a5b6bec5c22182 (patch)
tree60b2f067134cb39a3a4904616a30e1517c809d33 /include/cros_ec.h
parent4bf6f2ad47f481d161876a87969c46f80a9b8e9d (diff)
cros_ec: Add new features for events and power
This adds new commands to the EC related to setting and clearing events as well as controlling power-related settings. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/cros_ec.h')
-rw-r--r--include/cros_ec.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/include/cros_ec.h b/include/cros_ec.h
index 4771e6b7d1..f4b9b7a5c2 100644
--- a/include/cros_ec.h
+++ b/include/cros_ec.h
@@ -187,6 +187,14 @@ int cros_ec_flash_protect(struct udevice *dev, uint32_t set_mask,
uint32_t set_flags,
struct ec_response_flash_protect *resp);
+/**
+ * Notify EC of current boot mode
+ *
+ * @param dev CROS-EC device
+ * @param vboot_mode Verified boot mode
+ * @return 0 if ok, <0 on error
+ */
+int cros_ec_entering_mode(struct udevice *dev, int mode);
/**
* Run internal tests on the cros_ec interface.
@@ -397,4 +405,85 @@ struct i2c_msg;
int cros_ec_i2c_tunnel(struct udevice *dev, int port, struct i2c_msg *msg,
int nmsgs);
+/**
+ * cros_ec_get_events_b() - Get event mask B
+ *
+ * @return value of event mask, default value of 0 if it could not be read
+ */
+uint64_t cros_ec_get_events_b(struct udevice *dev);
+
+/**
+ * cros_ec_clear_events_b() - Clear even mask B
+ *
+ * Any pending events in the B range are cleared
+ *
+ * @return 0 if OK, -ve on error
+ */
+int cros_ec_clear_events_b(struct udevice *dev, uint64_t mask);
+
+/**
+ * cros_ec_efs_verify() - tell the EC to verify one of its images
+ *
+ * @param dev CROS-EC device
+ * @param region Flash region to query
+ * @return 0 if OK, -ve on error
+ */
+int cros_ec_efs_verify(struct udevice *dev, enum ec_flash_region region);
+
+/**
+ * cros_ec_battery_cutoff() - Request that the battery be cut off
+ *
+ * This tells the battery to stop supplying power. This is used before shipping
+ * a device to ensure that the battery remains charged while the device is
+ * shipped or sitting on the shelf waiting to be purchased.
+ *
+ * @param dev CROS-EC device
+ * @param flags Flags to use (EC_BATTERY_CUTOFF_FLAG_...)
+ * @return 0 if OK, -ve on error
+ */
+int cros_ec_battery_cutoff(struct udevice *dev, uint8_t flags);
+
+/**
+ * cros_ec_read_limit_power() - Check if power is limited by batter/charger
+ *
+ * Sometimes the battery is low and / or the device is connected to a charger
+ * that cannot supply much power.
+ *
+ * @param dev CROS-EC device
+ * @param limit_powerp Returns whether power is limited (0 or 1)
+ * @return 0 if OK, -ENOSYS if the EC does not support this comment, -EINVAL
+ * if the EC returned an invalid response
+ */
+int cros_ec_read_limit_power(struct udevice *dev, int *limit_powerp);
+
+/**
+ * cros_ec_config_powerbtn() - Configure the behaviour of the power button
+ *
+ * @param dev CROS-EC device
+ * @param flags Flags to use (EC_POWER_BUTTON_...)
+ * @return 0 if OK, -ve on error
+ */
+int cros_ec_config_powerbtn(struct udevice *dev, uint32_t flags);
+
+/**
+ * cros_ec_get_lid_shutdown_mask() - Set the lid shutdown mask
+ *
+ * Determines whether a lid close event is reported
+ *
+ * @param dev CROS-EC device
+ * @return shufdown mas if OK, -ve on error
+ */
+int cros_ec_get_lid_shutdown_mask(struct udevice *dev);
+
+/**
+ * cros_ec_set_lid_shutdown_mask() - Set the lid shutdown mask
+ *
+ * Set whether a lid close event is reported
+ *
+ * @param dev CROS-EC device
+ * @param enable true to enable reporting, false to disable
+ * @return shufdown mas if OK, -ve on error
+ */
+int cros_ec_set_lid_shutdown_mask(struct udevice *dev, int enable);
+
#endif