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kernel_samsung_sm7125/drivers/nfc/pn547.h

116 lines
3.6 KiB

/*
* 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.
*/
#define PN547_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 PN547_SET_PWR _IOW(PN547_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(PN547_MAGIC, 0x02, long)
/* SPI or DWP can call this ioctl to get the current
* power state of P61
*
*/
#define P61_GET_PWR_STATUS _IOR(PN547_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(PN547_MAGIC, 0x04, long)
/*
* NFC Init will call the ioctl to register the PID with the i2c driver
*/
#define P547_SET_NFC_SERVICE_PID _IOW(PN547_MAGIC, 0x05, long)
/*
* NFC and SPI will call the ioctl to get the i2c/spi bus access
*/
#define P547_GET_ESE_ACCESS _IOW(PN547_MAGIC, 0x06, long)
/*
* NFC and SPI will call the ioctl to update the power scheme
*/
#define P547_SET_POWER_SCHEME _IOW(PN547_MAGIC, 0x07, long)
/*
* NFC will call the ioctl to release the svdd protection
*/
#define P547_REL_SVDD_WAIT _IOW(PN547_MAGIC, 0x08, long)
/* SPI or DWP can call this ioctl to get the current
* power state of P61
*/
#define PN547_SET_DWNLD_STATUS _IOW(PN547_MAGIC, 0x09, long)
/*
* NFC will call the ioctl to release the dwp on/off protection
*/
#define P547_REL_DWPONOFF_WAIT _IOW(PN547_MAGIC, 0x0A, long)
#define NFC_I2C_LDO_ON 1
#define NFC_I2C_LDO_OFF 0
#define P61_STATE_JCP_DL 0x8000
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 = P61_STATE_JCP_DL, /* JCOP download 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*/
};
enum chip_type_pwr_scheme {
PN67T_PWR_SCHEME = 0x01,
PN80T_LEGACY_PWR_SCHEME,
PN80T_EXT_PMU_SCHEME,
};
enum jcop_dwnld_state {
JCP_DWNLD_IDLE = P61_STATE_JCP_DL, /* 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 */
};
extern unsigned int lpcharge;
extern int ese_spi_pinctrl(int enable);