drivers: misc: Add pn553 NFC driver from Sony kernel (f8dca043) · Commits · e / devices / android_kernel_sony_msm8998

drivers/misc/Kconfig

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		@@ -579,6 +579,15 @@ config MEMORY_STATE_TIME
		help
		Memory time statistics exported to /sys/kernel/memory_state_time

		config NFC_PN553_DEVICES
		tristate "Nxp pn553 NCI protocol driver (I2C) devices"
		default y
		---help---
		You'll have to say Y if your computer contains an I2C device that
		you want to use under Linux.

		You can say N here if you don't have any SPI connected to your computer.

		config LDO_VIBRATOR
		tristate "LDO Vibrator"
		default n

drivers/misc/Makefile

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		@@ -18,6 +18,7 @@ obj-$(CONFIG_LKDTM) += lkdtm.o
		obj-$(CONFIG_TIFM_CORE) += tifm_core.o
		obj-$(CONFIG_TIFM_7XX1) += tifm_7xx1.o
		obj-$(CONFIG_PHANTOM) += phantom.o
		obj-$(CONFIG_NFC_PN553_DEVICES) += pn553.o
		obj-$(CONFIG_QCOM_COINCELL) += qcom-coincell.o
		obj-$(CONFIG_SENSORS_BH1780) += bh1780gli.o
		obj-$(CONFIG_SENSORS_BH1770) += bh1770glc.o

drivers/misc/pn553.c

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File added.

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drivers/misc/pn553.h

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		/*
		* Copyright (C) 2010 Trusted Logic S.A.
		*
		* 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
		*/
		/******************************************************************************
		*
		* The original Work has been changed by NXP Semiconductors.
		*
		* Copyright (C) 2013-2014 NXP Semiconductors
		* *
		* 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
		*
		******************************************************************************/

		#define PN544_MAGIC 0xE9

		/*
		* PN544 power control via ioctl
		* PN544_SET_PWR(0): power off
		* PN544_SET_PWR(1): power on
		* PN544_SET_PWR(2): reset and power on with firmware download enabled
		*/
		#define PN544_SET_PWR _IOW(PN544_MAGIC, 0x01, long)

		/*
		* SPI Request NFCC to enable p61 power, only in param
		* Only for SPI
		* level 1 = Enable power
		* level 0 = Disable power
		*/
		#define P61_SET_SPI_PWR _IOW(PN544_MAGIC, 0x02, long)

		/* SPI or DWP can call this ioctl to get the current
		* power state of P61
		*
		*/
		#define P61_GET_PWR_STATUS _IOR(PN544_MAGIC, 0x03, long)

		/* DWP side this ioctl will be called
		* level 1 = Wired access is enabled/ongoing
		* level 0 = Wired access is disalbed/stopped
		*/
		#define P61_SET_WIRED_ACCESS _IOW(PN544_MAGIC, 0x04, long)

		/*
		NFC Init will call the ioctl to register the PID with the i2c driver
		*/
		#define P544_SET_NFC_SERVICE_PID _IOW(PN544_MAGIC, 0x05, long)

		/*
		NFC and SPI will call the ioctl to get the i2c/spi bus access
		*/
		#define P544_GET_ESE_ACCESS _IOW(PN544_MAGIC, 0x06, long)
		/*
		NFC and SPI will call the ioctl to update the power scheme
		*/
		#define P544_SET_POWER_SCHEME _IOW(PN544_MAGIC, 0x07, long)

		/*
		NFC will call the ioctl to release the svdd protection
		*/
		#define P544_REL_SVDD_WAIT _IOW(PN544_MAGIC, 0x08, long)

		/* SPI or DWP can call this ioctl to get the current
		* power state of P61
		*
		*/
		#define PN544_SET_DWNLD_STATUS _IOW(PN544_MAGIC, 0x09, long)

		#define P544_SECURE_TIMER_SESSION _IOW(PN544_MAGIC, 0x0A, long)

		typedef enum p61_access_state{
		P61_STATE_INVALID = 0x0000,
		P61_STATE_IDLE = 0x0100, /* p61 is free to use */
		P61_STATE_WIRED = 0x0200, /* p61 is being accessed by DWP (NFCC)*/
		P61_STATE_SPI = 0x0400, /* P61 is being accessed by SPI */
		P61_STATE_DWNLD = 0x0800, /* NFCC fw download is in progress */
		P61_STATE_SPI_PRIO = 0x1000, /Start of p61 access by SPI on priority/
		P61_STATE_SPI_PRIO_END = 0x2000, /End of p61 access by SPI on priority/
		P61_STATE_SPI_END = 0x4000,
		P61_STATE_JCP_DWNLD = 0x8000,/* JCOP downlad in progress */
		P61_STATE_SPI_SVDD_SYNC_START = 0x0001, /ESE_VDD Low req by SPI/
		P61_STATE_SPI_SVDD_SYNC_END = 0x0002, /ESE_VDD is Low by SPI/
		P61_STATE_DWP_SVDD_SYNC_START = 0x0004, /ESE_VDD Low req by Nfc/
		P61_STATE_DWP_SVDD_SYNC_END = 0x0008 /ESE_VDD is Low by Nfc/
		}p61_access_state_t;

		typedef enum chip_type_pwr_scheme{
		PN67T_PWR_SCHEME = 0x01,
		PN80T_LEGACY_PWR_SCHEME,
		PN80T_EXT_PMU_SCHEME,
		}chip_pwr_scheme_t;

		typedef enum jcop_dwnld_state{
		JCP_DWNLD_IDLE = P61_STATE_JCP_DWNLD, /* jcop dwnld is ongoing*/
		JCP_DWNLD_INIT=0x8010, /* jcop dwonload init state*/
		JCP_DWNLD_START=0x8020, /* download started */
		JCP_SPI_DWNLD_COMPLETE=0x8040, /* jcop download complete in spi interface*/
		JCP_DWP_DWNLD_COMPLETE=0x8080, /* jcop download complete */
		} jcop_dwnld_state_t;

		struct pn544_i2c_platform_data {
		unsigned int irq_gpio;
		unsigned int ven_gpio;
		unsigned int firm_gpio;
		};