LXR linux/drivers/nfc/s3fwrn5/s3fwrn5.h

   1/*
   2 * NCI based driver for Samsung S3FWRN5 NFC chip
   3 *
   4 * Copyright (C) 2015 Samsung Electrnoics
   5 * Robert Baldyga <r.baldyga@samsung.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify it
   8 * under the terms and conditions of the GNU General Public License,
   9 * version 2 or later, as published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20#ifndef __LOCAL_S3FWRN5_H_
  21#define __LOCAL_S3FWRN5_H_
  22
  23#include <linux/nfc.h>
  24
  25#include <net/nfc/nci_core.h>
  26
  27#include "firmware.h"
  28
  29enum s3fwrn5_mode {
  30        S3FWRN5_MODE_COLD,
  31        S3FWRN5_MODE_NCI,
  32        S3FWRN5_MODE_FW,
  33};
  34
  35struct s3fwrn5_phy_ops {
  36        void (*set_wake)(void *id, bool sleep);
  37        void (*set_mode)(void *id, enum s3fwrn5_mode);
  38        enum s3fwrn5_mode (*get_mode)(void *id);
  39        int (*write)(void *id, struct sk_buff *skb);
  40};
  41
  42struct s3fwrn5_info {
  43        struct nci_dev *ndev;
  44        void *phy_id;
  45        struct device *pdev;
  46
  47        const struct s3fwrn5_phy_ops *phy_ops;
  48        unsigned int max_payload;
  49
  50        struct s3fwrn5_fw_info fw_info;
  51
  52        struct mutex mutex;
  53};
  54
  55static inline int s3fwrn5_set_mode(struct s3fwrn5_info *info,
  56        enum s3fwrn5_mode mode)
  57{
  58        if (!info->phy_ops->set_mode)
  59                return -ENOTSUPP;
  60
  61        info->phy_ops->set_mode(info->phy_id, mode);
  62
  63        return 0;
  64}
  65
  66static inline enum s3fwrn5_mode s3fwrn5_get_mode(struct s3fwrn5_info *info)
  67{
  68        if (!info->phy_ops->get_mode)
  69                return -ENOTSUPP;
  70
  71        return info->phy_ops->get_mode(info->phy_id);
  72}
  73
  74static inline int s3fwrn5_set_wake(struct s3fwrn5_info *info, bool wake)
  75{
  76        if (!info->phy_ops->set_wake)
  77                return -ENOTSUPP;
  78
  79        info->phy_ops->set_wake(info->phy_id, wake);
  80
  81        return 0;
  82}
  83
  84static inline int s3fwrn5_write(struct s3fwrn5_info *info, struct sk_buff *skb)
  85{
  86        if (!info->phy_ops->write)
  87                return -ENOTSUPP;
  88
  89        return info->phy_ops->write(info->phy_id, skb);
  90}
  91
  92int s3fwrn5_probe(struct nci_dev **ndev, void *phy_id, struct device *pdev,
  93        const struct s3fwrn5_phy_ops *phy_ops, unsigned int max_payload);
  94void s3fwrn5_remove(struct nci_dev *ndev);
  95
  96int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb,
  97        enum s3fwrn5_mode mode);
  98
  99#endif /* __LOCAL_S3FWRN5_H_ */
 100