cmd-db.h 1.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /* Copyright (c) 2016-2018, 2021, The Linux Foundation. All rights reserved. */
  3. #ifndef __QCOM_COMMAND_DB_H__
  4. #define __QCOM_COMMAND_DB_H__
  5. #include <linux/err.h>
  6. enum cmd_db_hw_type {
  7. CMD_DB_HW_INVALID = 0,
  8. CMD_DB_HW_MIN = 3,
  9. CMD_DB_HW_ARC = CMD_DB_HW_MIN,
  10. CMD_DB_HW_VRM = 4,
  11. CMD_DB_HW_BCM = 5,
  12. CMD_DB_HW_MAX = CMD_DB_HW_BCM,
  13. CMD_DB_HW_ALL = 0xff,
  14. };
  15. #if IS_ENABLED(CONFIG_QCOM_COMMAND_DB)
  16. u32 cmd_db_read_addr(const char *resource_id);
  17. const void *cmd_db_read_aux_data(const char *resource_id, size_t *len);
  18. enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id);
  19. int cmd_db_ready(void);
  20. bool cmd_db_is_standalone(void);
  21. #else
  22. static inline u32 cmd_db_read_addr(const char *resource_id)
  23. { return 0; }
  24. static inline const void *cmd_db_read_aux_data(const char *resource_id, size_t *len)
  25. { return ERR_PTR(-ENODEV); }
  26. static inline enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id)
  27. { return -ENODEV; }
  28. static inline int cmd_db_ready(void)
  29. { return -ENODEV; }
  30. static inline bool cmd_db_is_standalone(void)
  31. { return true; }
  32. #endif /* CONFIG_QCOM_COMMAND_DB */
  33. #endif /* __QCOM_COMMAND_DB_H__ */