drivers: qcom: add command DB driver

[sfrench/cifs-2.6.git] / include / soc / qcom / cmd-db.h

diff --git a/include/soc/qcom/cmd-db.h b/include/soc/qcom/cmd-db.h
new file mode 100644 (file)
index 0000000..578180c
--- /dev/null
+++ b/include/soc/qcom/cmd-db.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. */
+
+#ifndef __QCOM_COMMAND_DB_H__
+#define __QCOM_COMMAND_DB_H__
+
+
+enum cmd_db_hw_type {
+       CMD_DB_HW_INVALID = 0,
+       CMD_DB_HW_MIN     = 3,
+       CMD_DB_HW_ARC     = CMD_DB_HW_MIN,
+       CMD_DB_HW_VRM     = 4,
+       CMD_DB_HW_BCM     = 5,
+       CMD_DB_HW_MAX     = CMD_DB_HW_BCM,
+       CMD_DB_HW_ALL     = 0xff,
+};
+
+#if IS_ENABLED(CONFIG_QCOM_COMMAND_DB)
+u32 cmd_db_read_addr(const char *resource_id);
+
+int cmd_db_read_aux_data(const char *resource_id, u8 *data, size_t len);
+
+size_t cmd_db_read_aux_data_len(const char *resource_id);
+
+enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id);
+
+int cmd_db_ready(void);
+#else
+static inline u32 cmd_db_read_addr(const char *resource_id)
+{ return 0; }
+
+static inline int cmd_db_read_aux_data(const char *resource_id, u8 *data,
+                                      size_t len)
+{ return -ENODEV; }
+
+static inline size_t cmd_db_read_aux_data_len(const char *resource_id)
+{ return -ENODEV; }
+
+static inline enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id)
+{ return -ENODEV; }
+
+static inline int cmd_db_ready(void)
+{ return -ENODEV; }
+#endif /* CONFIG_QCOM_COMMAND_DB */
+#endif /* __QCOM_COMMAND_DB_H__ */