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Commit d8629893 authored by zhangjie's avatar zhangjie Committed by Rohit Sekhar
Browse files

nfc: Import st21nfc driver 

[ALM:10872985] nfc bringup
&&&%%%comment:nfc bringup
&&&%%%bug number:10872985
&&&%%%product name:sm7225_r_fp4
&&&%%%Module_Impact:nfc
&&&%%%Test_Suggestion:.
&&&%%%Solution:.
&&&%%%Test_Report:ok
parent 8b810957

drivers/nfc/Kconfig

+6 −0
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@@ -67,3 +67,9 @@ config NFC_NQ 
          This enables the NFC driver for NQx based devices.

          This is for i2c connected version. NCI protocol logic

          resides in the usermode and it has no other NFC dependencies.



config NFC_ST21NFC

        bool "ST Microelectronics ST21NFC NFC Controller Driver"

        depends on I2C

        help

          ST Microelectronics ST21NFC Near Field Communication controller support.

drivers/nfc/Makefile

+1 −0
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@@ -13,6 +13,7 @@ obj-$(CONFIG_NFC_PORT100) += port100.o 
obj-$(CONFIG_NFC_MRVL)		+= nfcmrvl/

obj-$(CONFIG_NFC_TRF7970A)	+= trf7970a.o

obj-$(CONFIG_NFC_ST21NFCA)  	+= st21nfca/

obj-$(CONFIG_NFC_ST21NFC)	+= st21nfc.o

obj-$(CONFIG_NFC_ST_NCI)	+= st-nci/

obj-$(CONFIG_NFC_NXP_NCI)	+= nxp-nci/

obj-$(CONFIG_NFC_S3FWRN5)	+= s3fwrn5/

drivers/nfc/st21nfc.c

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+1395 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/nfc/st21nfc.h

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/*

 * Copyright (C) 2016 ST Microelectronics S.A.

 * Copyright (C) 2010 Stollmann E+V GmbH

 * Copyright (C) 2010 Trusted Logic S.A.

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms and conditions of the GNU General Public License,

 * version 2, as published by the Free Software Foundation.

 *

 * 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, see <http://www.gnu.org/licenses/>.

 */

#define ST21NFC_MAGIC 0xEA



#define ST21NFC_NAME "st21nfc"

/*

 * ST21NFC power control via ioctl

 * ST21NFC_GET_WAKEUP :  poll gpio-level for Wakeup pin

 */

#define ST21NFC_GET_WAKEUP _IO(ST21NFC_MAGIC, 0x01)

#define ST21NFC_PULSE_RESET _IO(ST21NFC_MAGIC, 0x02)

#define ST21NFC_SET_POLARITY_RISING _IO(ST21NFC_MAGIC, 0x03)

#define ST21NFC_SET_POLARITY_HIGH _IO(ST21NFC_MAGIC, 0x05)

#define ST21NFC_GET_POLARITY _IO(ST21NFC_MAGIC, 0x07)

#define ST21NFC_RECOVERY _IO(ST21NFC_MAGIC, 0x08)

#define ST21NFC_USE_ESE _IOW(ST21NFC_MAGIC, 0x09, unsigned int)



// Keep compatibility with older user applications.

#define ST21NFC_LEGACY_GET_WAKEUP _IOR(ST21NFC_MAGIC, 0x01, unsigned int)

#define ST21NFC_LEGACY_PULSE_RESET _IOR(ST21NFC_MAGIC, 0x02, unsigned int)

#define ST21NFC_LEGACY_SET_POLARITY_RISING \

  _IOR(ST21NFC_MAGIC, 0x03, unsigned int)

#define ST21NFC_LEGACY_SET_POLARITY_HIGH _IOR(ST21NFC_MAGIC, 0x05, unsigned int)

#define ST21NFC_LEGACY_GET_POLARITY _IOR(ST21NFC_MAGIC, 0x07, unsigned int)

#define ST21NFC_LEGACY_RECOVERY _IOR(ST21NFC_MAGIC, 0x08, unsigned int)



#define ST54SPI_CB_RESET_END 0

#define ST54SPI_CB_RESET_START 1

#define ST54SPI_CB_ESE_NOT_USED 2

#define ST54SPI_CB_ESE_USED 3

void st21nfc_register_st54spi_cb(void (*cb)(int, void *), void *data);

void st21nfc_unregister_st54spi_cb(void);