103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/*
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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
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define PN547_MAGIC 0xE9
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/*
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* PN544 power control via ioctl
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* PN544_SET_PWR(0): power off
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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 PN547_SET_PWR _IOW(PN547_MAGIC, 0x01, unsigned int)
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#ifdef CONFIG_NFC_PN547_ESE_SUPPORT
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/*
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* SPI Request NFCC to enable p61 power, only in param
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* Only for SPI
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* level 1 = Enable power
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* level 0 = Disable power
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*/
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#define P61_SET_SPI_PWR _IOW(PN547_MAGIC, 0x02, unsigned int)
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/* SPI or DWP can call this ioctl to get the current
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* power state of P61
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*
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*/
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#define P61_GET_PWR_STATUS _IOR(PN547_MAGIC, 0x03, unsigned int)
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/* DWP side this ioctl will be called
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* level 1 = Wired access is enabled/ongoing
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* level 0 = Wired access is disalbed/stopped
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*/
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#define P61_SET_WIRED_ACCESS _IOW(PN547_MAGIC, 0x04, unsigned int)
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#define P547_SET_NFC_SERVICE_PID _IOW(PN547_MAGIC, 0x05, long)
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#define P547_GET_ESE_ACCESS _IOW(PN547_MAGIC, 0x06, long)
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#define P547_REL_SVDD_WAIT _IOW(PN547_MAGIC, 0x07, long)
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#ifdef CONFIG_NFC_PN547_LDO_CONTROL
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#define NFC_I2C_LDO_ON 1
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#define NFC_I2C_LDO_OFF 0
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#endif
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typedef enum p61_access_state{
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P61_STATE_INVALID = 0x0000,
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P61_STATE_IDLE = 0x0100, /* p61 is free to use */
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P61_STATE_WIRED = 0x0200, /* p61 is being accessed by DWP (NFCC)*/
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P61_STATE_SPI = 0x0400, /* P61 is being accessed by SPI */
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P61_STATE_DWNLD = 0x0800, /* NFCC fw download is in progress */
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P61_STATE_SPI_PRIO = 0x1000, /*Start of p61 access by SPI on priority*/
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P61_STATE_SPI_PRIO_END = 0x2000, /*End of p61 access by SPI on priority*/
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P61_STATE_SPI_END = 0x4000,
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P61_STATE_SPI_SVDD_SYNC_START = 0x0001, /*ESE_VDD Low req by SPI*/
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P61_STATE_SPI_SVDD_SYNC_END = 0x0002, /*ESE_VDD is Low by SPI*/
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P61_STATE_DWP_SVDD_SYNC_START = 0x0003, /*ESE_VDD Low req by Nfc*/
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P61_STATE_DWP_SVDD_SYNC_END = 0x0004, /*ESE_VDD is Low by Nfc*/
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}p61_access_state_t;
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#endif
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struct pn547_i2c_platform_data {
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void (*conf_gpio) (void);
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int irq_gpio;
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int ven_gpio;
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int firm_gpio;
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int scl_gpio;
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int sda_gpio;
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#ifdef CONFIG_NFC_PN547_PVDD_EN_CONTROL
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int pvdd_en;
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u32 pvdd_en_flags;
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#endif
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#ifdef CONFIG_NFC_PN547_8916_USE_BBCLK2
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struct clk *nfc_clock;
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#endif
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#ifdef CONFIG_OF
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u32 irq_gpio_flags;
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u32 ven_gpio_flags;
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u32 firm_gpio_flags;
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u32 scl_gpio_flags;
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u32 sda_gpio_flags;
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#endif
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#ifdef CONFIG_NFC_PN547_ESE_SUPPORT
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int ese_pwr_req;
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u32 ese_pwr_req_flags;
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#endif
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};
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extern int poweroff_charging;
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