1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Copyright (C) 2012 Intel Corporation. All rights reserved. 4 */ 5 6#ifndef __LOCAL_HCI_H 7#define __LOCAL_HCI_H 8 9#include <net/nfc/hci.h> 10 11struct gate_pipe_map { 12 u8 gate; 13 u8 pipe; 14}; 15 16struct hcp_message { 17 u8 header; /* type -cmd,evt,rsp- + instruction */ 18 u8 data[]; 19} __packed; 20 21struct hcp_packet { 22 u8 header; /* cbit+pipe */ 23 struct hcp_message message; 24} __packed; 25 26struct hcp_exec_waiter { 27 wait_queue_head_t *wq; 28 bool exec_complete; 29 int exec_result; 30 struct sk_buff *result_skb; 31}; 32 33struct hci_msg { 34 struct list_head msg_l; 35 struct sk_buff_head msg_frags; 36 bool wait_response; 37 data_exchange_cb_t cb; 38 void *cb_context; 39 unsigned long completion_delay; 40}; 41 42struct hci_create_pipe_params { 43 u8 src_gate; 44 u8 dest_host; 45 u8 dest_gate; 46} __packed; 47 48struct hci_create_pipe_resp { 49 u8 src_host; 50 u8 src_gate; 51 u8 dest_host; 52 u8 dest_gate; 53 u8 pipe; 54} __packed; 55 56struct hci_delete_pipe_noti { 57 u8 pipe; 58} __packed; 59 60struct hci_all_pipe_cleared_noti { 61 u8 host; 62} __packed; 63 64#define NFC_HCI_FRAGMENT 0x7f 65 66#define HCP_HEADER(type, instr) ((((type) & 0x03) << 6) | ((instr) & 0x3f)) 67#define HCP_MSG_GET_TYPE(header) ((header & 0xc0) >> 6) 68#define HCP_MSG_GET_CMD(header) (header & 0x3f) 69 70int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe, 71 u8 type, u8 instruction, 72 const u8 *payload, size_t payload_len, 73 data_exchange_cb_t cb, void *cb_context, 74 unsigned long completion_delay); 75 76void nfc_hci_hcp_message_rx(struct nfc_hci_dev *hdev, u8 pipe, u8 type, 77 u8 instruction, struct sk_buff *skb); 78 79/* HCP headers */ 80#define NFC_HCI_HCP_PACKET_HEADER_LEN 1 81#define NFC_HCI_HCP_MESSAGE_HEADER_LEN 1 82#define NFC_HCI_HCP_HEADER_LEN 2 83 84/* HCP types */ 85#define NFC_HCI_HCP_COMMAND 0x00 86#define NFC_HCI_HCP_EVENT 0x01 87#define NFC_HCI_HCP_RESPONSE 0x02 88 89/* Generic commands */ 90#define NFC_HCI_ANY_SET_PARAMETER 0x01 91#define NFC_HCI_ANY_GET_PARAMETER 0x02 92#define NFC_HCI_ANY_OPEN_PIPE 0x03 93#define NFC_HCI_ANY_CLOSE_PIPE 0x04 94 95/* Reader RF commands */ 96#define NFC_HCI_WR_XCHG_DATA 0x10 97 98/* Admin commands */ 99#define NFC_HCI_ADM_CREATE_PIPE 0x10 100#define NFC_HCI_ADM_DELETE_PIPE 0x11 101#define NFC_HCI_ADM_NOTIFY_PIPE_CREATED 0x12 102#define NFC_HCI_ADM_NOTIFY_PIPE_DELETED 0x13 103#define NFC_HCI_ADM_CLEAR_ALL_PIPE 0x14 104#define NFC_HCI_ADM_NOTIFY_ALL_PIPE_CLEARED 0x15 105 106/* Generic responses */ 107#define NFC_HCI_ANY_OK 0x00 108#define NFC_HCI_ANY_E_NOT_CONNECTED 0x01 109#define NFC_HCI_ANY_E_CMD_PAR_UNKNOWN 0x02 110#define NFC_HCI_ANY_E_NOK 0x03 111#define NFC_HCI_ANY_E_PIPES_FULL 0x04 112#define NFC_HCI_ANY_E_REG_PAR_UNKNOWN 0x05 113#define NFC_HCI_ANY_E_PIPE_NOT_OPENED 0x06 114#define NFC_HCI_ANY_E_CMD_NOT_SUPPORTED 0x07 115#define NFC_HCI_ANY_E_INHIBITED 0x08 116#define NFC_HCI_ANY_E_TIMEOUT 0x09 117#define NFC_HCI_ANY_E_REG_ACCESS_DENIED 0x0a 118#define NFC_HCI_ANY_E_PIPE_ACCESS_DENIED 0x0b 119 120#endif /* __LOCAL_HCI_H */ 121