Zephyr API Documentation
4.0.0-rc2
A Scalable Open Source RTOS
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npcx_espi.h
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/*
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* Copyright (c) 2020 Nuvoton Technology Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_ESPI_NPCX_ESPI_H_
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#define ZEPHYR_INCLUDE_DT_BINDINGS_ESPI_NPCX_ESPI_H_
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/*
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* Encode virtual wire information into a 16-bit unsigned.
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* index = bits[7:0], Replacement index number
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* group = bits[11:8], Group number for VWEVMS or VWEVSM
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* dir = bits[13:12], Direction for controller to target or target to controller
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*/
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#define ESPI_NPCX_VW_EX_VAL(dir, group, index) \
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(((dir & 0x1) << 12) + ((group & 0xf) << 8) + (index & 0xff))
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/* extract specific information from encoded ESPI_NPCX_VW_EX_VAL */
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#define ESPI_NPCX_VW_EX_INDEX(e) ((e) & 0xff)
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#define ESPI_NPCX_VW_EX_GROUP_NUM(e) (((e) >> 8) & 0xf)
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#define ESPI_NPCX_VW_EX_DIR(e) (((e) >> 12) & 0x1)
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/* eSPI VW Master to Slave Register Index */
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#define NPCX_VWEVMS0 0
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#define NPCX_VWEVMS1 1
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#define NPCX_VWEVMS2 2
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#define NPCX_VWEVMS3 3
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#define NPCX_VWEVMS4 4
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#define NPCX_VWEVMS5 5
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#define NPCX_VWEVMS6 6
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#define NPCX_VWEVMS7 7
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#define NPCX_VWEVMS8 8
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#define NPCX_VWEVMS9 9
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#define NPCX_VWEVMS10 10
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#define NPCX_VWEVMS11 11
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#define NPCX_VWEVMS_MAX 12
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/* eSPI VW Slave to Master Register Index */
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#define NPCX_VWEVSM0 0
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#define NPCX_VWEVSM1 1
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#define NPCX_VWEVSM2 2
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#define NPCX_VWEVSM3 3
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#define NPCX_VWEVSM4 4
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#define NPCX_VWEVSM5 5
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#define NPCX_VWEVSM6 6
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#define NPCX_VWEVSM7 7
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#define NPCX_VWEVSM8 8
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#define NPCX_VWEVSM9 9
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#define NPCX_VWEVSM_MAX 10
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/* eSPI VW GPIO Slave to Master Register Index */
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#define NPCX_VWGPSM0 0
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#define NPCX_VWGPSM1 1
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#define NPCX_VWGPSM2 2
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#define NPCX_VWGPSM3 3
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#define NPCX_VWGPSM4 4
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#define NPCX_VWGPSM5 5
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#define NPCX_VWGPSM6 6
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#define NPCX_VWGPSM7 7
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#define NPCX_VWGPSM8 8
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#define NPCX_VWGPSM9 9
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#define NPCX_VWGPSM10 10
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#define NPCX_VWGPSM11 11
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#define NPCX_VWGPSM12 12
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#define NPCX_VWGPSM13 13
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#define NPCX_VWGPSM14 14
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#define NPCX_VWGPSM15 15
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#endif
/* ZEPHYR_INCLUDE_DT_BINDINGS_ESPI_NPCX_ESPI_H_ */
zephyr
dt-bindings
espi
npcx_espi.h
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