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-rw-r--r--include/virtual_battery.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/virtual_battery.h b/include/virtual_battery.h
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+++ b/include/virtual_battery.h
@@ -0,0 +1,49 @@
+/* Copyright 2016 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.
+ */
+
+#ifndef __CROS_EC_VIRTUAL_BATTERY_H
+#define __CROS_EC_VIRTUAL_BATTERY_H
+
+#if defined(CONFIG_I2C_VIRTUAL_BATTERY) && defined(CONFIG_BATTERY_SMART)
+#define VIRTUAL_BATTERY_ADDR BATTERY_ADDR
+#endif
+
+/**
+ * Read/write value of battery parameter from charge state.
+ *
+ * @param batt_cmd_head The beginning of the smart battery command
+ * @param dest Destination buffer for data
+ * @param read_len Number of bytes to read to the buffer
+ * @param write_len Number of bytes to write
+ * @return EC_SUCCESS if successful, non-zero if error.
+ *
+ */
+int virtual_battery_operation(const uint8_t *batt_cmd_head,
+ uint8_t *dest,
+ int read_len,
+ int write_len);
+
+/**
+ * Parse a command for virtual battery function.
+ *
+ * @param resp Pointer to the data structure to store the i2c messages
+ * @param in_len Accumulative number of bytes read
+ * @param err_code Pointer to the return value of i2c_xfer() or
+ * virtual_battery_operation()
+ * @param xferflags Flags
+ * @param read_len Number of bytes to read
+ * @param write_len Number of bytes to write
+ * @param out Data to send
+ * @return EC_SUCCESS if successful, non-zero if error.
+ */
+int virtual_battery_handler(struct ec_response_i2c_passthru *resp,
+ int in_len, int *err_code, int xferflags,
+ int read_len, int write_len,
+ const uint8_t *out);
+
+/* Reset the state machine and static variables. */
+void reset_parse_state(void);
+
+#endif /* __CROS_EC_VIRTUAL_BATTERY_H */