Zephyr API Documentation 4.0.0-rc2
A Scalable Open Source RTOS
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npcx_espi.h
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1/*
2 * Copyright (c) 2020 Nuvoton Technology Corporation.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_ESPI_NPCX_ESPI_H_
7#define ZEPHYR_INCLUDE_DT_BINDINGS_ESPI_NPCX_ESPI_H_
8
9/*
10 * Encode virtual wire information into a 16-bit unsigned.
11 * index = bits[7:0], Replacement index number
12 * group = bits[11:8], Group number for VWEVMS or VWEVSM
13 * dir = bits[13:12], Direction for controller to target or target to controller
14 */
15#define ESPI_NPCX_VW_EX_VAL(dir, group, index) \
16 (((dir & 0x1) << 12) + ((group & 0xf) << 8) + (index & 0xff))
17
18/* extract specific information from encoded ESPI_NPCX_VW_EX_VAL */
19#define ESPI_NPCX_VW_EX_INDEX(e) ((e) & 0xff)
20#define ESPI_NPCX_VW_EX_GROUP_NUM(e) (((e) >> 8) & 0xf)
21#define ESPI_NPCX_VW_EX_DIR(e) (((e) >> 12) & 0x1)
22
23/* eSPI VW Master to Slave Register Index */
24#define NPCX_VWEVMS0 0
25#define NPCX_VWEVMS1 1
26#define NPCX_VWEVMS2 2
27#define NPCX_VWEVMS3 3
28#define NPCX_VWEVMS4 4
29#define NPCX_VWEVMS5 5
30#define NPCX_VWEVMS6 6
31#define NPCX_VWEVMS7 7
32#define NPCX_VWEVMS8 8
33#define NPCX_VWEVMS9 9
34#define NPCX_VWEVMS10 10
35#define NPCX_VWEVMS11 11
36#define NPCX_VWEVMS_MAX 12
37
38/* eSPI VW Slave to Master Register Index */
39#define NPCX_VWEVSM0 0
40#define NPCX_VWEVSM1 1
41#define NPCX_VWEVSM2 2
42#define NPCX_VWEVSM3 3
43#define NPCX_VWEVSM4 4
44#define NPCX_VWEVSM5 5
45#define NPCX_VWEVSM6 6
46#define NPCX_VWEVSM7 7
47#define NPCX_VWEVSM8 8
48#define NPCX_VWEVSM9 9
49#define NPCX_VWEVSM_MAX 10
50
51/* eSPI VW GPIO Slave to Master Register Index */
52#define NPCX_VWGPSM0 0
53#define NPCX_VWGPSM1 1
54#define NPCX_VWGPSM2 2
55#define NPCX_VWGPSM3 3
56#define NPCX_VWGPSM4 4
57#define NPCX_VWGPSM5 5
58#define NPCX_VWGPSM6 6
59#define NPCX_VWGPSM7 7
60#define NPCX_VWGPSM8 8
61#define NPCX_VWGPSM9 9
62#define NPCX_VWGPSM10 10
63#define NPCX_VWGPSM11 11
64#define NPCX_VWGPSM12 12
65#define NPCX_VWGPSM13 13
66#define NPCX_VWGPSM14 14
67#define NPCX_VWGPSM15 15
68
69#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_ESPI_NPCX_ESPI_H_ */