98 lines
3.5 KiB
C
98 lines
3.5 KiB
C
/******************************************************************************
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* Copyright (C) 2020-2021 NXP
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* *
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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******************************************************************************/
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#ifndef _COMMON_ESE_H_
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#define _COMMON_ESE_H_
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#include "common.h"
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/*nci prop msg 1st byte*/
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#define NCI_PROP_MSG_GID 0x0F
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#define NCI_PROP_MSG_CMD (NCI_MSG_CMD | NCI_PROP_MSG_GID)
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#define NCI_PROP_MSG_RSP (NCI_MSG_RSP | NCI_PROP_MSG_GID)
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/*nci prop msg 2nd byte*/
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#define CLD_RST_OID 0x1E
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#define RST_PROT_OID 0x1F
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/*nci prop msg 3rd byte*/
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#define CLD_RST_PAYLOAD_SIZE 0x00
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#define RST_PROT_PAYLOAD_SIZE 0x01
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/*nci prop msg response length*/
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#define NCI_PROP_MSG_RSP_LEN 0x04
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/*cold reset guard time to allow back to back cold reset after some time*/
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#define ESE_CLD_RST_GUARD_TIME (3000) //3s
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/*guard time to reboot after reset*/
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#define ESE_CLD_RST_REBOOT_GUARD_TIME (50) //50ms
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/*sources of reset protection and cold reset*/
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enum reset_source {
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SRC_SPI = 0,
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SRC_NFC = 0x10,
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SRC_OTHER = 0x20,
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SRC_NONE = 0x80,
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};
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enum ese_ioctl_request {
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ESE_POWER_ON = 0, /* eSE POWER ON */
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ESE_POWER_OFF, /* eSE POWER OFF */
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ESE_POWER_STATE, /* eSE GET POWER STATE */
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/*ese reset requests from eSE service/hal/driver */
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ESE_CLD_RST, /* eSE COLD RESET */
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ESE_RST_PROT_EN, /* eSE RESET PROTECTION ENABLE */
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ESE_RST_PROT_DIS, /* eSE RESET PROTECTION DISABLE */
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/*similar ese reset requests from nfc service/hal/driver */
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ESE_CLD_RST_NFC = ESE_CLD_RST | SRC_NFC,
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ESE_RST_PROT_EN_NFC = ESE_RST_PROT_EN | SRC_NFC,
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ESE_RST_PROT_DIS_NFC = ESE_RST_PROT_DIS | SRC_NFC,
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/*similar ese reset requests from other service/hal/driver */
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ESE_CLD_RST_OTHER = ESE_CLD_RST | SRC_OTHER,
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};
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#define GET_SRC(arg) (arg & 0xF0)
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#define IS_SRC(arg, src) (GET_SRC(arg) == src)
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#define IS_SRC_SPI(arg) IS_SRC(arg, SRC_SPI)
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#define IS_SRC_NFC(arg) IS_SRC(arg, SRC_NFC)
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#define IS_SRC_OTHER(arg) IS_SRC(arg, SRC_OTHER)
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#define IS_SRC_VALID(arg) (IS_SRC_SPI(arg) || IS_SRC_NFC(arg) || \
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IS_SRC_OTHER(arg))
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#define IS_SRC_VALID_PROT(arg) (IS_SRC_SPI(arg) || IS_SRC_NFC(arg))
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#define IS_RST(arg, type) ((arg & 0xF) == type)
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#define IS_CLD_RST_REQ(arg) IS_RST(arg, ESE_CLD_RST)
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#define IS_RST_PROT_EN_REQ(arg) IS_RST(arg, ESE_RST_PROT_EN)
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#define IS_RST_PROT_DIS_REQ(arg) IS_RST(arg, ESE_RST_PROT_DIS)
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#define IS_RST_PROT_REQ(arg) (IS_RST_PROT_EN_REQ(arg) || IS_RST_PROT_DIS_REQ(arg))
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/* This macro evaluates to 1 if prop cmd response is received */
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#define IS_PROP_CMD_RSP(buf) \
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((buf[0] == NCI_PROP_MSG_RSP) && ((buf[1] == CLD_RST_OID) || \
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(buf[1] == RST_PROT_OID)))
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void wakeup_on_prop_rsp(struct nfc_dev *nfc_dev, uint8_t *buf);
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int nfc_ese_pwr(struct nfc_dev *nfc_dev, unsigned long arg);
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void ese_cold_reset_release(struct nfc_dev *nfc_dev);
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void common_ese_init(struct nfc_dev *nfc_dev);
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void common_ese_exit(struct nfc_dev *nfc_dev);
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#endif /* _COMMON_ESE_H_ */
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