/****************************************************************************** * Copyright (C) 2020-2021 NXP * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * ******************************************************************************/ #ifndef _COMMON_ESE_H_ #define _COMMON_ESE_H_ #include "common.h" /* nci prop msg 1st byte */ #define NCI_PROP_MSG_GID 0x0F #define NCI_PROP_MSG_CMD (NCI_CMD | NCI_PROP_MSG_GID) #define NCI_PROP_MSG_RSP (NCI_RSP | NCI_PROP_MSG_GID) /* nci prop msg 2nd byte */ #define CLD_RST_OID 0x1E #define RST_PROT_OID 0x1F /* nci prop msg 3rd byte */ #define CLD_RST_PAYLOAD_SIZE 0x00 #define RST_PROT_PAYLOAD_SIZE 0x01 /* nci prop msg response length */ #define NCI_PROP_MSG_RSP_LEN 0x04 /* cold reset guard time to allow back to back cold reset after some time */ #define ESE_CLD_RST_GUARD_TIME_MS (3000) /* guard time to reboot after reset */ #define ESE_CLD_RST_REBOOT_GUARD_TIME_MS (50) /* sources of reset protection and cold reset */ enum reset_source { SRC_SPI = 0, SRC_NFC = 0x10, SRC_OTHER = 0x20, SRC_NONE = 0x80, }; enum ese_ioctl_request { ESE_POWER_ON = 0, /* eSE POWER ON */ ESE_POWER_OFF, /* eSE POWER OFF */ ESE_POWER_STATE, /* eSE GET POWER STATE */ /* ese reset requests from eSE service/hal/driver */ ESE_CLD_RST, /* eSE COLD RESET */ ESE_RST_PROT_EN, /* eSE RESET PROTECTION ENABLE */ ESE_RST_PROT_DIS, /* eSE RESET PROTECTION DISABLE */ /* similar ese reset requests from nfc service/hal/driver */ ESE_CLD_RST_NFC = ESE_CLD_RST | SRC_NFC, ESE_RST_PROT_EN_NFC = ESE_RST_PROT_EN | SRC_NFC, ESE_RST_PROT_DIS_NFC = ESE_RST_PROT_DIS | SRC_NFC, /* similar ese reset requests from other service/hal/driver */ ESE_CLD_RST_OTHER = ESE_CLD_RST | SRC_OTHER, }; #define GET_SRC(arg) (arg & 0xF0) #define IS_SRC(arg, src) (GET_SRC(arg) == src) #define IS_SRC_SPI(arg) IS_SRC(arg, SRC_SPI) #define IS_SRC_NFC(arg) IS_SRC(arg, SRC_NFC) #define IS_SRC_OTHER(arg) IS_SRC(arg, SRC_OTHER) #define IS_SRC_VALID(arg) (IS_SRC_SPI(arg) || \ IS_SRC_NFC(arg) || \ IS_SRC_OTHER(arg)) #define IS_SRC_VALID_PROT(arg) (IS_SRC_SPI(arg) || \ IS_SRC_NFC(arg)) #define IS_RST(arg, type) ((arg & 0xF) == type) #define IS_CLD_RST_REQ(arg) IS_RST(arg, ESE_CLD_RST) #define IS_RST_PROT_EN_REQ(arg) IS_RST(arg, ESE_RST_PROT_EN) #define IS_RST_PROT_DIS_REQ(arg) IS_RST(arg, ESE_RST_PROT_DIS) #define IS_RST_PROT_REQ(arg) (IS_RST_PROT_EN_REQ(arg) || \ IS_RST_PROT_DIS_REQ(arg)) /* This macro evaluates to 1 if prop cmd response is received */ #define IS_PROP_CMD_RSP(buf) ((buf[0] == NCI_PROP_MSG_RSP) && \ ((buf[1] == CLD_RST_OID) || \ (buf[1] == RST_PROT_OID))) void wakeup_on_prop_rsp(struct nfc_dev *nfc_dev, uint8_t *buf); int nfc_ese_pwr(struct nfc_dev *nfc_dev, unsigned long arg); void ese_cold_reset_release(struct nfc_dev *nfc_dev); void common_ese_init(struct nfc_dev *nfc_dev); void common_ese_exit(struct nfc_dev *nfc_dev); #if IS_ENABLED(CONFIG_SAMSUNG_NFC) void ese_set_spi_pinctrl_for_ese_off(void *p61); #endif #endif /* _COMMON_ESE_H_ */