zork: add EC fw_config framework

BUG=none
BRANCH=none
TEST=verify adding a call to fw_config routines work

Signed-off-by: Denis Brockus <dbrockus@chromium.org>
Change-Id: Ib56bae5a0ce0b1078fdd235a3595fa059181dc2f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2090086
Reviewed-by: Edward Hill <ecgh@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>

1 files changed, 80 insertions, 0 deletions

diff --git a/baseboard/zork/cbi_ec_fw_config.c b/baseboard/zork/cbi_ec_fw_config.c
new file mode 100644
index 0000000000..d8101855f7
--- /dev/null
+++ b/baseboard/zork/cbi_ec_fw_config.c
@@ -0,0 +1,80 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "common.h"
+#include "cbi_ec_fw_config.h"
+#include "cros_board_info.h"
+
+/****************************************************************************
+ * CBI Zork EC FW Configuration
+ */
+uint32_t get_cbi_fw_config(void)
+{
+	static uint32_t cached_fw_config = UNINITIALIZED_FW_CONFIG;
+
+	if (cached_fw_config == UNINITIALIZED_FW_CONFIG) {
+		uint32_t val;
+
+		if (cbi_get_fw_config(&val) == EC_SUCCESS)
+			cached_fw_config = val;
+	}
+	return cached_fw_config;
+}
+
+/*
+ * get_cbi_ec_cfg_usb_db() will return the DB option number.
+ */
+enum ec_cfg_usb_db_type ec_config_get_usb_db(void)
+{
+	return ((get_cbi_fw_config() & EC_CFG_USB_DB_MASK)
+			>> EC_CFG_USB_DB_L);
+}
+
+/*
+ * get_cbi_ec_cfg_usb_mb() will return the MB option number.
+ */
+enum ec_cfg_usb_mb_type ec_config_get_usb_mb(void)
+{
+	return ((get_cbi_fw_config() & EC_CFG_USB_MB_MASK)
+			>> EC_CFG_USB_MB_L);
+}
+
+/*
+ * ec_config_has_lid_accel_sensor() will return ec_cfg_lid_accel_sensor_type
+ */
+enum ec_cfg_lid_accel_sensor_type ec_config_has_lid_accel_sensor(void)
+{
+	return ((get_cbi_fw_config() & EC_CFG_LID_ACCEL_SENSOR_MASK)
+			>> EC_CFG_LID_ACCEL_SENSOR_L);
+}
+
+/*
+ * ec_config_has_base_gyro_sensor() will return ec_cfg_base_gyro_sensor_type
+ */
+enum ec_cfg_base_gyro_sensor_type ec_config_has_base_gyro_sensor(void)
+{
+	return ((get_cbi_fw_config() & EC_CFG_BASE_GYRO_SENSOR_MASK)
+			>> EC_CFG_BASE_GYRO_SENSOR_L);
+}
+
+/*
+ * ec_config_has_pwm_keyboard_backlight() will return 1 is present or 0
+ */
+enum ec_cfg_pwm_keyboard_backlight_type ec_config_has_pwm_keyboard_backlight(
+									void)
+{
+	return ((get_cbi_fw_config() & EC_CFG_PWM_KEYBOARD_BACKLIGHT_MASK)
+			>> EC_CFG_PWM_KEYBOARD_BACKLIGHT_L);
+}
+
+/*
+ * ec_config_has_lid_angle_tablet_mode() will return 1 is present or 0
+ */
+enum ec_cfg_lid_angle_tablet_mode_type ec_config_has_lid_angle_tablet_mode(
+									void)
+{
+	return ((get_cbi_fw_config() & EC_CFG_LID_ANGLE_TABLET_MODE_MASK)
+			>> EC_CFG_LID_ANGLE_TABLET_MODE_L);
+}