diff options
Diffstat (limited to 'include/linux/nfc')
| -rw-r--r-- | include/linux/nfc/bcm2079x.h | 45 | ||||
| -rw-r--r-- | include/linux/nfc/pn544.h | 114 |
2 files changed, 159 insertions, 0 deletions
diff --git a/include/linux/nfc/bcm2079x.h b/include/linux/nfc/bcm2079x.h new file mode 100644 index 00000000..689757aa --- /dev/null +++ b/include/linux/nfc/bcm2079x.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2012 Broadcom Corporation. + * + * 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 + */ + +#ifndef _BCM2079X_H +#define _BCM2079X_H + +#define BCMNFC_MAGIC 0xFA + +/* + * BCMNFC power control via ioctl + * BCMNFC_POWER_CTL(0): power off + * BCMNFC_POWER_CTL(1): power on + * BCMNFC_WAKE_CTL(0): wake off + * BCMNFC_WAKE_CTL(1): wake on + */ +#define BCMNFC_POWER_CTL _IO(BCMNFC_MAGIC, 0x01) +#define BCMNFC_CHANGE_ADDR _IO(BCMNFC_MAGIC, 0x02) +#define BCMNFC_READ_FULL_PACKET _IO(BCMNFC_MAGIC, 0x03) +#define BCMNFC_SET_WAKE_ACTIVE_STATE _IO(BCMNFC_MAGIC, 0x04) +#define BCMNFC_WAKE_CTL _IO(BCMNFC_MAGIC, 0x05) +#define BCMNFC_READ_MULTI_PACKETS _IO(BCMNFC_MAGIC, 0x06) + +struct bcm2079x_platform_data { + unsigned int irq_gpio; + unsigned int irq_no; + unsigned int en_gpio; + int wake_gpio; +}; + +#endif diff --git a/include/linux/nfc/pn544.h b/include/linux/nfc/pn544.h new file mode 100644 index 00000000..11eb2236 --- /dev/null +++ b/include/linux/nfc/pn544.h @@ -0,0 +1,114 @@ +/* + * Driver include for the PN544 NFC chip. + * + * Copyright (C) Nokia Corporation + * + * Author: Jari Vanhala <ext-jari.vanhala@nokia.com> + * Contact: Matti Aaltoenn <matti.j.aaltonen@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _PN544_H_ +#define _PN544_H_ + +#include <linux/i2c.h> + +#define PN544_DRIVER_NAME "pn544" +#define PN544_MAXWINDOW_SIZE 7 +#define PN544_WINDOW_SIZE 4 +#define PN544_RETRIES 10 +#define PN544_MAX_I2C_TRANSFER 0x0400 +#define PN544_MSG_MAX_SIZE 0x21 /* at normal HCI mode */ + + +#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, unsigned int) + + +/* ioctl */ +#define PN544_CHAR_BASE 'P' +#define PN544_IOR(num, dtype) _IOR(PN544_CHAR_BASE, num, dtype) +#define PN544_IOW(num, dtype) _IOW(PN544_CHAR_BASE, num, dtype) +#define PN544_GET_FW_MODE PN544_IOW(1, unsigned int) +#define PN544_SET_FW_MODE PN544_IOW(2, unsigned int) +#define PN544_GET_DEBUG PN544_IOW(3, unsigned int) +#define PN544_SET_DEBUG PN544_IOW(4, unsigned int) + +//#define PN544_SET_PWR PN544_IOW(5, unsigned int) //add 2014-7-10 +/* Timing restrictions (ms) */ +#define PN544_RESETVEN_TIME 30 /* 7 */ +#define PN544_PVDDVEN_TIME 0 +#define PN544_VBATVEN_TIME 0 +#define PN544_GPIO4VEN_TIME 0 +#define PN544_WAKEUP_ACK 5 +#define PN544_WAKEUP_GUARD (PN544_WAKEUP_ACK + 1) +#define PN544_INACTIVITY_TIME 1000 +#define PN544_INTERFRAME_DELAY 200 /* us */ +#define PN544_BAUDRATE_CHANGE 150 /* us */ + +/* Debug bits */ +#define PN544_DEBUG_BUF 0x01 +#define PN544_DEBUG_READ 0x02 +#define PN544_DEBUG_WRITE 0x04 +#define PN544_DEBUG_IRQ 0x08 +#define PN544_DEBUG_CALLS 0x10 +#define PN544_DEBUG_MODE 0x20 + +/* Normal (HCI) mode */ +#define PN544_LLC_HCI_OVERHEAD 3 /* header + crc (to length) */ +#define PN544_LLC_MIN_SIZE (1 + PN544_LLC_HCI_OVERHEAD) /* length + */ +#define PN544_LLC_MAX_DATA (PN544_MSG_MAX_SIZE - 2) +#define PN544_LLC_MAX_HCI_SIZE (PN544_LLC_MAX_DATA - 2) + +struct pn544_llc_packet { + unsigned char length; /* of rest of packet */ + unsigned char header; + unsigned char data[PN544_LLC_MAX_DATA]; /* includes crc-ccitt */ +}; + +/* Firmware upgrade mode */ +#define PN544_FW_HEADER_SIZE 3 +/* max fw transfer is 1024bytes, but I2C limits it to 0xC0 */ +#define PN544_MAX_FW_DATA (PN544_MAX_I2C_TRANSFER - PN544_FW_HEADER_SIZE) + +struct pn544_fw_packet { + unsigned char command; /* status in answer */ + unsigned char length[2]; /* big-endian order (msf) */ + unsigned char data[PN544_MAX_FW_DATA]; +}; + +#ifdef __KERNEL__ +/* board config */ +struct pn544_nfc_platform_data { + int (*request_resources) (struct i2c_client *client); + void (*free_resources) (void); + void (*enable) (int fw); + int (*test) (void); + void (*disable) (void); + int irq_gpio, ven_gpio, firm_gpio; + //int irq_enable, ven_enable, firm_enable; + int irq_active, ven_active, firm_active; + +}; +#endif /* __KERNEL__ */ + +#endif /* _PN544_H_ */ |