[coreboot-gerrit] Change in coreboot[master]: ec/google/chromeec: add battery participant support

[Sumeet R Pawnikar (Code Review)]

Sumeet R Pawnikar has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59261 )

Change subject: ec/google/chromeec: add battery participant support
......................................................................

ec/google/chromeec: add battery participant support

Add battery participant support

BUG=b:206057712
BRANCH=None
TEST=Build and test battery info

Change-Id: I2781ceff611877aef37141f195f21f9bdc31eb4c
Signed-off-by: Sumeet Pawnikar 
---
M src/ec/google/chromeec/ec.c
M src/ec/google/chromeec/ec.h
M src/ec/google/chromeec/ec_commands.h
3 files changed, 47 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/61/59261/1

diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c
index 4477d9e..ca42291 100644
--- a/src/ec/google/chromeec/ec.c
+++ b/src/ec/google/chromeec/ec.c
@@ -1862,3 +1862,25 @@

return 0;
 }
+
+int google_chromeec_set_batteryinfo_config(uint32_t uvth)
+{
+	struct ec_battery_info_v1 params = {
+		.uvth_value = uvth
+	};
+
+	struct chromeec_command cmd = {
+		.cmd_code = EC_CMD_BATTERY_INFO,
+		.cmd_version = 1,
+		.cmd_size_in = sizeof(params),
+		.cmd_data_in = &params,
+		.cmd_data_out = NULL,
+		.cmd_size_out = 0,
+		.cmd_dev_index = 0,
+	};
+
+	if (google_chromeec_command(&cmd))
+		return -1;
+
+	return 0;
+}
diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h
index 56fca2e..6406ff0 100644
--- a/src/ec/google/chromeec/ec.h
+++ b/src/ec/google/chromeec/ec.h
@@ -415,6 +415,13 @@
  */
 int google_chromeec_get_powerinfo_config(void);

+/**
+ * Send battery config details to EC
+ * @param resp		Filled with host command protocol information
+ * @return		0 on success, -1 on error
+ */
+int google_chromeec_set_batteryinfo_config(uint32_t uvth);
+
 #if CONFIG(HAVE_ACPI_TABLES)
 /**
  * Writes USB Type-C PD related information to the SSDT
diff --git a/src/ec/google/chromeec/ec_commands.h b/src/ec/google/chromeec/ec_commands.h
index 4637d1c..d1af590 100644
--- a/src/ec/google/chromeec/ec_commands.h
+++ b/src/ec/google/chromeec/ec_commands.h
@@ -4706,6 +4706,24 @@
 } __ec_align2;

/*****************************************************************************/
+/* Battery info. */
+
+/* Default low voltage thershold value */
+#define ISL9241_BC12_MIN_VOLTAGE 4096
+
+/*
+ * Get battery info.
+ *
+ * Note: v0 of this command is deprecated
+ */
+#define EC_CMD_BATTERY_INFO 0x00A5
+
+struct ec_battery_info_v1 {
+	uint32_t uvth_value;
+} __ec_align1;
+
+
+/*****************************************************************************/
 /* Hibernate/Deep Sleep Commands */

/* Set the delay before going into hibernation. */