xref: /rk3399_ARM-atf/drivers/arm/rse/rse_comms_protocol_common.h (revision a1901c7d0d05ac02b254bf215fb889b9c0a9bc7d)
195511698STamas Ban /*
295511698STamas Ban  * Copyright (c) 2024, Arm Limited. All rights reserved.
395511698STamas Ban  *
495511698STamas Ban  * SPDX-License-Identifier: BSD-3-Clause
595511698STamas Ban  *
695511698STamas Ban  */
795511698STamas Ban 
895511698STamas Ban /*
995511698STamas Ban  * Packing scheme of the control parameter
1095511698STamas Ban  *
1195511698STamas Ban  *  31           30-28   27    26-24  23-20   19     18-16   15-0
1295511698STamas Ban  * +------------+-----+------+-------+-----+-------+-------+------+
1395511698STamas Ban  * |            |     |      | invec |     |       | outvec| type |
1495511698STamas Ban  * | Res        | Res | Res  | number| Res | Res   | number|      |
1595511698STamas Ban  * +------------+-----+------+-------+-----+-------+-------+------+
1695511698STamas Ban  *
1795511698STamas Ban  * Res: Reserved.
1895511698STamas Ban  */
1995511698STamas Ban 
20*e249e569STamas Ban #ifndef RSE_COMMS_PROTOCOL_COMMON
21*e249e569STamas Ban #define RSE_COMMS_PROTOCOL_COMMON
2295511698STamas Ban 
2395511698STamas Ban #define TYPE_OFFSET	(0U)
2495511698STamas Ban #define TYPE_MASK	(0xFFFFUL << TYPE_OFFSET)
2595511698STamas Ban #define IN_LEN_OFFSET	(24U)
2695511698STamas Ban #define IN_LEN_MASK	(0x7UL << IN_LEN_OFFSET)
2795511698STamas Ban #define OUT_LEN_OFFSET	(16U)
2895511698STamas Ban #define OUT_LEN_MASK	(0x7UL << OUT_LEN_OFFSET)
2995511698STamas Ban 
3095511698STamas Ban #define PARAM_PACK(type, in_len, out_len)			   \
3195511698STamas Ban 	(((((uint32_t)(type)) << TYPE_OFFSET) & TYPE_MASK)	 | \
3295511698STamas Ban 	 ((((uint32_t)(in_len)) << IN_LEN_OFFSET) & IN_LEN_MASK) | \
3395511698STamas Ban 	 ((((uint32_t)(out_len)) << OUT_LEN_OFFSET) & OUT_LEN_MASK))
3495511698STamas Ban 
35*e249e569STamas Ban #endif /* RSE_COMMS_PROTOCOL_COMMON */
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