#define tpm_u32(x) tpm_u16((x) >> 16), tpm_u16((x) & 0xFFFF)
/**
- * tpm_open() - Request access to locality 0 for the caller
- *
- * After all commands have been completed the caller is supposed to
- * call tpm_close().
- *
- * Returns 0 on success, -ve on failure.
- */
-int tpm_open(struct udevice *dev);
-
-/**
- * tpm_close() - Close the current session
- *
- * Releasing the locked locality. Returns 0 on success, -ve 1 on
- * failure (in case lock removal did not succeed).
- */
-int tpm_close(struct udevice *dev);
-
-/**
* Pack data into a byte string. The data types are specified in
* the format string: 'b' means unsigned byte, 'w' unsigned word,
* 'd' unsigned double word, and 's' byte string. The data are a
* @param size size of output string
* @param format format string
* @param ... data points
- * @return 0 on success, non-0 on error
+ * Return: 0 on success, non-0 on error
*/
int pack_byte_string(u8 *str, size_t size, const char *format, ...);
* @param size size of output string
* @param format format string
* @param ... data points
- * @return 0 on success, non-0 on error
+ * Return: 0 on success, non-0 on error
*/
int unpack_byte_string(const u8 *str, size_t size, const char *format, ...);
* Get TPM command size.
*
* @param command byte string of TPM command
- * @return command size of the TPM command
+ * Return: command size of the TPM command
*/
u32 tpm_command_size(const void *command);
* Get TPM response return code, which is one of TPM_RESULT values.
*
* @param response byte string of TPM response
- * @return return code of the TPM response
+ * Return: return code of the TPM response
*/
u32 tpm_return_code(const void *response);
* @param size_ptr output buffer size (input parameter) and TPM
* response length (output parameter); this parameter
* is a bidirectional
- * @return return code of the TPM response
+ * Return: return code of the TPM response
*/
-u32 tpm_sendrecv_command(const void *command, void *response, size_t *size_ptr);
+u32 tpm_sendrecv_command(struct udevice *dev, const void *command,
+ void *response, size_t *size_ptr);
#endif /* __TPM_UTILS_H */