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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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dece45855a
Add support for NXP NCI NFC controllers such as the NPC100 or PN7150 families. Signed-off-by: Clément Perrochaud <clement.perrochaud@effinnov.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/*
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* Copyright (C) 2014 NXP Semiconductors All rights reserved.
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*
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* Authors: Clément Perrochaud <clement.perrochaud@nxp.com>
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*
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* Derived from PN544 device driver:
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* Copyright (C) 2012 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __LOCAL_NXP_NCI_H_
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#define __LOCAL_NXP_NCI_H_
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#include <linux/completion.h>
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#include <linux/firmware.h>
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#include <linux/nfc.h>
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#include <linux/platform_data/nxp-nci.h>
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#include <net/nfc/nci_core.h>
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#define NXP_NCI_FW_HDR_LEN 2
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#define NXP_NCI_FW_CRC_LEN 2
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#define NXP_NCI_FW_FRAME_LEN_MASK 0x03FF
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enum nxp_nci_mode {
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NXP_NCI_MODE_COLD,
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NXP_NCI_MODE_NCI,
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NXP_NCI_MODE_FW
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};
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struct nxp_nci_phy_ops {
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int (*set_mode)(void *id, enum nxp_nci_mode mode);
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int (*write)(void *id, struct sk_buff *skb);
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};
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struct nxp_nci_fw_info {
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char name[NFC_FIRMWARE_NAME_MAXSIZE + 1];
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const struct firmware *fw;
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size_t size;
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size_t written;
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const u8 *data;
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size_t frame_size;
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struct work_struct work;
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struct completion cmd_completion;
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int cmd_result;
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};
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struct nxp_nci_info {
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struct nci_dev *ndev;
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void *phy_id;
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struct device *pdev;
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enum nxp_nci_mode mode;
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struct nxp_nci_phy_ops *phy_ops;
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unsigned int max_payload;
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struct mutex info_lock;
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struct nxp_nci_fw_info fw_info;
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};
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int nxp_nci_fw_download(struct nci_dev *ndev, const char *firmware_name);
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void nxp_nci_fw_work(struct work_struct *work);
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void nxp_nci_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb);
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void nxp_nci_fw_work_complete(struct nxp_nci_info *info, int result);
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int nxp_nci_probe(void *phy_id, struct device *pdev,
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struct nxp_nci_phy_ops *phy_ops, unsigned int max_payload,
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struct nci_dev **ndev);
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void nxp_nci_remove(struct nci_dev *ndev);
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#endif /* __LOCAL_NXP_NCI_H_ */
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