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 9 enum 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) 20 u32 cmd_db_read_addr(const char *resource_id); 21 22 const void *cmd_db_read_aux_data(const char *resource_id, size_t *len); 23 24 enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id); 25 26 int cmd_db_ready(void); 27 #else 28 static inline u32 cmd_db_read_addr(const char *resource_id) 29 { return 0; } 30 31 static inline const void *cmd_db_read_aux_data(const char *resource_id, size_t *len) 32 { return ERR_PTR(-ENODEV); } 33 34 static inline enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id) 35 { return -ENODEV; } 36 37 static inline int cmd_db_ready(void) 38 { return -ENODEV; } 39 #endif /* CONFIG_QCOM_COMMAND_DB */ 40 #endif /* __QCOM_COMMAND_DB_H__ */ 41