android_kernel_samsung_msm8976/include/linux/pn547.h
LuK1337 fc9499e55a Import latest Samsung release
* Package version: T713XXU2BQCO

Change-Id: I293d9e7f2df458c512d59b7a06f8ca6add610c99
2017-04-18 03:43:52 +02:00

102 lines
3.1 KiB
C

/*
* 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
*/
#define PN547_MAGIC 0xE9
/*
* PN544 power control via ioctl
* PN544_SET_PWR(0): power off
* PN544_SET_PWR(1): power on
* PN544_SET_PWR(>1): power on with firmware download enabled
*/
#define PN547_SET_PWR _IOW(PN547_MAGIC, 0x01, unsigned int)
#ifdef CONFIG_NFC_PN547_ESE_SUPPORT
/*
* 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, unsigned int)
/* SPI or DWP can call this ioctl to get the current
* power state of P61
*
*/
#define P61_GET_PWR_STATUS _IOR(PN547_MAGIC, 0x03, unsigned int)
/* 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, unsigned int)
#define P547_SET_NFC_SERVICE_PID _IOW(PN547_MAGIC, 0x05, long)
#define P547_GET_ESE_ACCESS _IOW(PN547_MAGIC, 0x06, long)
#define P547_REL_SVDD_WAIT _IOW(PN547_MAGIC, 0x07, long)
#ifdef CONFIG_NFC_PN547_LDO_CONTROL
#define NFC_I2C_LDO_ON 1
#define NFC_I2C_LDO_OFF 0
#endif
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_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 = 0x0003, /*ESE_VDD Low req by Nfc*/
P61_STATE_DWP_SVDD_SYNC_END = 0x0004, /*ESE_VDD is Low by Nfc*/
}p61_access_state_t;
#endif
struct pn547_i2c_platform_data {
void (*conf_gpio) (void);
int irq_gpio;
int ven_gpio;
int firm_gpio;
int scl_gpio;
int sda_gpio;
#ifdef CONFIG_NFC_PN547_PVDD_EN_CONTROL
int pvdd_en;
u32 pvdd_en_flags;
#endif
#ifdef CONFIG_NFC_PN547_8916_USE_BBCLK2
struct clk *nfc_clock;
#endif
#ifdef CONFIG_OF
u32 irq_gpio_flags;
u32 ven_gpio_flags;
u32 firm_gpio_flags;
u32 scl_gpio_flags;
u32 sda_gpio_flags;
#endif
#ifdef CONFIG_NFC_PN547_ESE_SUPPORT
int ese_pwr_req;
u32 ese_pwr_req_flags;
#endif
};
extern int poweroff_charging;