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 11 struct gate_pipe_map { 12 u8 gate; 13 u8 pipe; 14 }; 15 16 struct hcp_message { 17 u8 header; /* type -cmd,evt,rsp- + instruction */ 18 u8 data[]; 19 } __packed; 20 21 struct hcp_packet { 22 u8 header; /* cbit+pipe */ 23 struct hcp_message message; 24 } __packed; 25 26 struct 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 33 struct 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 42 struct hci_create_pipe_params { 43 u8 src_gate; 44 u8 dest_host; 45 u8 dest_gate; 46 } __packed; 47 48 struct 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 56 struct hci_delete_pipe_noti { 57 u8 pipe; 58 } __packed; 59 60 struct 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 70 int 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 76 void 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