include/soc/qcom/cmd-db.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. */
   3
   4 #ifndef __QCOM_COMMAND_DB_H__
   5 #define __QCOM_COMMAND_DB_H__
   6
   7
   8 enum cmd_db_hw_type {
   9         CMD_DB_HW_INVALID = 0,
  10         CMD_DB_HW_MIN     = 3,
  11         CMD_DB_HW_ARC     = CMD_DB_HW_MIN,
  12         CMD_DB_HW_VRM     = 4,
  13         CMD_DB_HW_BCM     = 5,
  14         CMD_DB_HW_MAX     = CMD_DB_HW_BCM,
  15         CMD_DB_HW_ALL     = 0xff,
  16 };
  17
  18 #if IS_ENABLED(CONFIG_QCOM_COMMAND_DB)
  19 u32 cmd_db_read_addr(const char *resource_id);
  20
  21 const void *cmd_db_read_aux_data(const char *resource_id, size_t *len);
  22
  23 enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id);
  24
  25 int cmd_db_ready(void);
  26 #else
  27 static inline u32 cmd_db_read_addr(const char *resource_id)
  28 { return 0; }
  29
  30 static inline const void *cmd_db_read_aux_data(const char *resource_id, size_t *len)
  31 { return ERR_PTR(-ENODEV); }
  32
  33 static inline enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id)
  34 { return -ENODEV; }
  35
  36 static inline int cmd_db_ready(void)
  37 { return -ENODEV; }
  38 #endif /* CONFIG_QCOM_COMMAND_DB */
  39 #endif /* __QCOM_COMMAND_DB_H__ */