linux/drivers/nfc/nxp-nci/nxp-nci.h
Julia Lawall 7cf6d08caf NFC: nxp-nci: constify nxp_nci_phy_ops structure
The only instance of a nxp_nci_phy_ops structure is never modified.  Thus
the declaration of the structure and all references to the structure type
can be made const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-10-19 20:04:13 +02:00

91 lines
2.3 KiB
C

/*
* Copyright (C) 2014 NXP Semiconductors All rights reserved.
*
* Authors: Clément Perrochaud <clement.perrochaud@nxp.com>
*
* Derived from PN544 device driver:
* Copyright (C) 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __LOCAL_NXP_NCI_H_
#define __LOCAL_NXP_NCI_H_
#include <linux/completion.h>
#include <linux/firmware.h>
#include <linux/nfc.h>
#include <linux/platform_data/nxp-nci.h>
#include <net/nfc/nci_core.h>
#define NXP_NCI_FW_HDR_LEN 2
#define NXP_NCI_FW_CRC_LEN 2
#define NXP_NCI_FW_FRAME_LEN_MASK 0x03FF
enum nxp_nci_mode {
NXP_NCI_MODE_COLD,
NXP_NCI_MODE_NCI,
NXP_NCI_MODE_FW
};
struct nxp_nci_phy_ops {
int (*set_mode)(void *id, enum nxp_nci_mode mode);
int (*write)(void *id, struct sk_buff *skb);
};
struct nxp_nci_fw_info {
char name[NFC_FIRMWARE_NAME_MAXSIZE + 1];
const struct firmware *fw;
size_t size;
size_t written;
const u8 *data;
size_t frame_size;
struct work_struct work;
struct completion cmd_completion;
int cmd_result;
};
struct nxp_nci_info {
struct nci_dev *ndev;
void *phy_id;
struct device *pdev;
enum nxp_nci_mode mode;
const struct nxp_nci_phy_ops *phy_ops;
unsigned int max_payload;
struct mutex info_lock;
struct nxp_nci_fw_info fw_info;
};
int nxp_nci_fw_download(struct nci_dev *ndev, const char *firmware_name);
void nxp_nci_fw_work(struct work_struct *work);
void nxp_nci_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb);
void nxp_nci_fw_work_complete(struct nxp_nci_info *info, int result);
int nxp_nci_probe(void *phy_id, struct device *pdev,
const struct nxp_nci_phy_ops *phy_ops,
unsigned int max_payload,
struct nci_dev **ndev);
void nxp_nci_remove(struct nci_dev *ndev);
#endif /* __LOCAL_NXP_NCI_H_ */