soc/microchip/mpfs.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  *
0004  * Microchip PolarFire SoC (MPFS)
0005  *
0006  * Copyright (c) 2020 Microchip Corporation. All rights reserved.
0007  *
0008  * Author: Conor Dooley <conor.dooley@microchip.com>
0009  *
0010  */
0011
0012 #ifndef __SOC_MPFS_H__
0013 #define __SOC_MPFS_H__
0014
0015 #include <linux/types.h>
0016 #include <linux/of_device.h>
0017
0018 struct mpfs_sys_controller;
0019
0020 struct mpfs_mss_msg {
0021     u8 cmd_opcode;
0022     u16 cmd_data_size;
0023     struct mpfs_mss_response *response;
0024     u8 *cmd_data;
0025     u16 mbox_offset;
0026     u16 resp_offset;
0027 };
0028
0029 struct mpfs_mss_response {
0030     u32 resp_status;
0031     u32 *resp_msg;
0032     u16 resp_size;
0033 };
0034
0035 #if IS_ENABLED(CONFIG_POLARFIRE_SOC_SYS_CTRL)
0036
0037 int mpfs_blocking_transaction(struct mpfs_sys_controller *mpfs_client, struct mpfs_mss_msg *msg);
0038
0039 struct mpfs_sys_controller *mpfs_sys_controller_get(struct device *dev);
0040
0041 #endif /* if IS_ENABLED(CONFIG_POLARFIRE_SOC_SYS_CTRL) */
0042
0043 #endif /* __SOC_MPFS_H__ */