soc/qcom/cmd-db.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. */
0003
0004 #ifndef __QCOM_COMMAND_DB_H__
0005 #define __QCOM_COMMAND_DB_H__
0006
0007 #include <linux/err.h>
0008
0009 enum cmd_db_hw_type {
0010     CMD_DB_HW_INVALID = 0,
0011     CMD_DB_HW_MIN     = 3,
0012     CMD_DB_HW_ARC     = CMD_DB_HW_MIN,
0013     CMD_DB_HW_VRM     = 4,
0014     CMD_DB_HW_BCM     = 5,
0015     CMD_DB_HW_MAX     = CMD_DB_HW_BCM,
0016     CMD_DB_HW_ALL     = 0xff,
0017 };
0018
0019 #if IS_ENABLED(CONFIG_QCOM_COMMAND_DB)
0020 u32 cmd_db_read_addr(const char *resource_id);
0021
0022 const void *cmd_db_read_aux_data(const char *resource_id, size_t *len);
0023
0024 enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id);
0025
0026 int cmd_db_ready(void);
0027 #else
0028 static inline u32 cmd_db_read_addr(const char *resource_id)
0029 { return 0; }
0030
0031 static inline const void *cmd_db_read_aux_data(const char *resource_id, size_t *len)
0032 { return ERR_PTR(-ENODEV); }
0033
0034 static inline enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id)
0035 { return -ENODEV; }
0036
0037 static inline int cmd_db_ready(void)
0038 { return -ENODEV; }
0039 #endif /* CONFIG_QCOM_COMMAND_DB */
0040 #endif /* __QCOM_COMMAND_DB_H__ */