1 /* 2 * Copyright (C) 2012 Intel Corporation. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef __LOCAL_HCI_H 19 #define __LOCAL_HCI_H 20 21 #include <net/nfc/hci.h> 22 23 struct gate_pipe_map { 24 u8 gate; 25 u8 pipe; 26 }; 27 28 struct hcp_message { 29 u8 header; /* type -cmd,evt,rsp- + instruction */ 30 u8 data[]; 31 } __packed; 32 33 struct hcp_packet { 34 u8 header; /* cbit+pipe */ 35 struct hcp_message message; 36 } __packed; 37 38 struct hcp_exec_waiter { 39 wait_queue_head_t *wq; 40 bool exec_complete; 41 int exec_result; 42 struct sk_buff *result_skb; 43 }; 44 45 struct hci_msg { 46 struct list_head msg_l; 47 struct sk_buff_head msg_frags; 48 bool wait_response; 49 data_exchange_cb_t cb; 50 void *cb_context; 51 unsigned long completion_delay; 52 }; 53 54 struct hci_create_pipe_params { 55 u8 src_gate; 56 u8 dest_host; 57 u8 dest_gate; 58 } __packed; 59 60 struct hci_create_pipe_resp { 61 u8 src_host; 62 u8 src_gate; 63 u8 dest_host; 64 u8 dest_gate; 65 u8 pipe; 66 } __packed; 67 68 struct hci_delete_pipe_noti { 69 u8 pipe; 70 } __packed; 71 72 struct hci_all_pipe_cleared_noti { 73 u8 host; 74 } __packed; 75 76 #define NFC_HCI_FRAGMENT 0x7f 77 78 #define HCP_HEADER(type, instr) ((((type) & 0x03) << 6) | ((instr) & 0x3f)) 79 #define HCP_MSG_GET_TYPE(header) ((header & 0xc0) >> 6) 80 #define HCP_MSG_GET_CMD(header) (header & 0x3f) 81 82 int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe, 83 u8 type, u8 instruction, 84 const u8 *payload, size_t payload_len, 85 data_exchange_cb_t cb, void *cb_context, 86 unsigned long completion_delay); 87 88 void nfc_hci_hcp_message_rx(struct nfc_hci_dev *hdev, u8 pipe, u8 type, 89 u8 instruction, struct sk_buff *skb); 90 91 /* HCP headers */ 92 #define NFC_HCI_HCP_PACKET_HEADER_LEN 1 93 #define NFC_HCI_HCP_MESSAGE_HEADER_LEN 1 94 #define NFC_HCI_HCP_HEADER_LEN 2 95 96 /* HCP types */ 97 #define NFC_HCI_HCP_COMMAND 0x00 98 #define NFC_HCI_HCP_EVENT 0x01 99 #define NFC_HCI_HCP_RESPONSE 0x02 100 101 /* Generic commands */ 102 #define NFC_HCI_ANY_SET_PARAMETER 0x01 103 #define NFC_HCI_ANY_GET_PARAMETER 0x02 104 #define NFC_HCI_ANY_OPEN_PIPE 0x03 105 #define NFC_HCI_ANY_CLOSE_PIPE 0x04 106 107 /* Reader RF commands */ 108 #define NFC_HCI_WR_XCHG_DATA 0x10 109 110 /* Admin commands */ 111 #define NFC_HCI_ADM_CREATE_PIPE 0x10 112 #define NFC_HCI_ADM_DELETE_PIPE 0x11 113 #define NFC_HCI_ADM_NOTIFY_PIPE_CREATED 0x12 114 #define NFC_HCI_ADM_NOTIFY_PIPE_DELETED 0x13 115 #define NFC_HCI_ADM_CLEAR_ALL_PIPE 0x14 116 #define NFC_HCI_ADM_NOTIFY_ALL_PIPE_CLEARED 0x15 117 118 /* Generic responses */ 119 #define NFC_HCI_ANY_OK 0x00 120 #define NFC_HCI_ANY_E_NOT_CONNECTED 0x01 121 #define NFC_HCI_ANY_E_CMD_PAR_UNKNOWN 0x02 122 #define NFC_HCI_ANY_E_NOK 0x03 123 #define NFC_HCI_ANY_E_PIPES_FULL 0x04 124 #define NFC_HCI_ANY_E_REG_PAR_UNKNOWN 0x05 125 #define NFC_HCI_ANY_E_PIPE_NOT_OPENED 0x06 126 #define NFC_HCI_ANY_E_CMD_NOT_SUPPORTED 0x07 127 #define NFC_HCI_ANY_E_INHIBITED 0x08 128 #define NFC_HCI_ANY_E_TIMEOUT 0x09 129 #define NFC_HCI_ANY_E_REG_ACCESS_DENIED 0x0a 130 #define NFC_HCI_ANY_E_PIPE_ACCESS_DENIED 0x0b 131 132 #endif /* __LOCAL_HCI_H */ 133
