LXR linux/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#include <linux/err.h>
   8
   9enum cmd_db_hw_type {
  10        CMD_DB_HW_INVALID = 0,
  11        CMD_DB_HW_MIN     = 3,
  12        CMD_DB_HW_ARC     = CMD_DB_HW_MIN,
  13        CMD_DB_HW_VRM     = 4,
  14        CMD_DB_HW_BCM     = 5,
  15        CMD_DB_HW_MAX     = CMD_DB_HW_BCM,
  16        CMD_DB_HW_ALL     = 0xff,
  17};
  18
  19#if IS_ENABLED(CONFIG_QCOM_COMMAND_DB)
  20u32 cmd_db_read_addr(const char *resource_id);
  21
  22const void *cmd_db_read_aux_data(const char *resource_id, size_t *len);
  23
  24enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id);
  25
  26int cmd_db_ready(void);
  27#else
  28static inline u32 cmd_db_read_addr(const char *resource_id)
  29{ return 0; }
  30
  31static inline const void *cmd_db_read_aux_data(const char *resource_id, size_t *len)
  32{ return ERR_PTR(-ENODEV); }
  33
  34static inline enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id)
  35{ return -ENODEV; }
  36
  37static inline int cmd_db_ready(void)
  38{ return -ENODEV; }
  39#endif /* CONFIG_QCOM_COMMAND_DB */
  40#endif /* __QCOM_COMMAND_DB_H__ */
  41