62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/*
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* Copyright (C) 2016 ST Microelectronics S.A.
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* Copyright (C) 2010 Stollmann E+V GmbH
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* Copyright (C) 2010 Trusted Logic S.A.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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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, see <http://www.gnu.org/licenses/>.
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*/
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#define ST21NFC_MAGIC 0xEA
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#define ST21NFC_NAME "st21nfc"
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/*
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* ST21NFC power control via ioctl
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* ST21NFC_GET_WAKEUP : poll gpio-level for Wakeup pin
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* PN544_SET_PWR(1): power on
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* PN544_SET_PWR(>1): power on with firmware download enabled
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*/
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#define ST21NFC_GET_WAKEUP _IO(ST21NFC_MAGIC, 0x01)
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#define ST21NFC_PULSE_RESET _IO(ST21NFC_MAGIC, 0x02)
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#define ST21NFC_SET_POLARITY_RISING _IO(ST21NFC_MAGIC, 0x03)
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#define ST21NFC_SET_POLARITY_FALLING _IO(ST21NFC_MAGIC, 0x04)
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#define ST21NFC_SET_POLARITY_HIGH _IO(ST21NFC_MAGIC, 0x05)
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#define ST21NFC_SET_POLARITY_LOW _IO(ST21NFC_MAGIC, 0x06)
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#define ST21NFC_GET_POLARITY _IO(ST21NFC_MAGIC, 0x07)
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#define ST21NFC_RECOVERY _IO(ST21NFC_MAGIC, 0x08)
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#define ST21NFC_USE_ESE _IOW(ST21NFC_MAGIC, 0x09, unsigned int)
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// Keep compatibility with older user applications.
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#define ST21NFC_LEGACY_GET_WAKEUP _IOR(ST21NFC_MAGIC, 0x01, unsigned int)
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#define ST21NFC_LEGACY_PULSE_RESET _IOR(ST21NFC_MAGIC, 0x02, unsigned int)
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#define ST21NFC_LEGACY_SET_POLARITY_RISING _IOR(ST21NFC_MAGIC, 0x03, \
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unsigned int)
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#define ST21NFC_LEGACY_SET_POLARITY_FALLING _IOR(ST21NFC_MAGIC, 0x04, \
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unsigned int)
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#define ST21NFC_LEGACY_SET_POLARITY_HIGH _IOR(ST21NFC_MAGIC, 0x05, unsigned int)
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#define ST21NFC_LEGACY_SET_POLARITY_LOW _IOR(ST21NFC_MAGIC, 0x06, unsigned int)
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#define ST21NFC_LEGACY_GET_POLARITY _IOR(ST21NFC_MAGIC, 0x07, unsigned int)
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#define ST21NFC_LEGACY_RECOVERY _IOR(ST21NFC_MAGIC, 0x08, unsigned int)
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struct st21nfc_platform_data {
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unsigned int irq_gpio;
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unsigned int ena_gpio;
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unsigned int reset_gpio;
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unsigned int polarity_mode;
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};
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#define ST54SPI_CB_RESET_END 0
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#define ST54SPI_CB_RESET_START 1
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#define ST54SPI_CB_ESE_NOT_USED 2
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#define ST54SPI_CB_ESE_USED 3
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void st21nfc_register_st54spi_cb(void (*cb)(int, void *), void *data);
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void st21nfc_unregister_st54spi_cb(void);
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