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, write to the 16 * Free Software Foundation, Inc., 17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 */ 19 20 #ifndef __LOCAL_HCI_H 21 #define __LOCAL_HCI_H 22 23 #include <net/nfc/hci.h> 24 25 struct gate_pipe_map { 26 u8 gate; 27 u8 pipe; 28 }; 29 30 struct hcp_message { 31 u8 header; /* type -cmd,evt,rsp- + instruction */ 32 u8 data[]; 33 } __packed; 34 35 struct hcp_packet { 36 u8 header; /* cbit+pipe */ 37 struct hcp_message message; 38 } __packed; 39 40 struct hcp_exec_waiter { 41 wait_queue_head_t *wq; 42 bool exec_complete; 43 int exec_result; 44 struct sk_buff *result_skb; 45 }; 46 47 struct hci_msg { 48 struct list_head msg_l; 49 struct sk_buff_head msg_frags; 50 bool wait_response; 51 data_exchange_cb_t cb; 52 void *cb_context; 53 unsigned long completion_delay; 54 }; 55 56 struct hci_create_pipe_params { 57 u8 src_gate; 58 u8 dest_host; 59 u8 dest_gate; 60 } __packed; 61 62 struct hci_create_pipe_resp { 63 u8 src_host; 64 u8 src_gate; 65 u8 dest_host; 66 u8 dest_gate; 67 u8 pipe; 68 } __packed; 69 70 #define NFC_HCI_FRAGMENT 0x7f 71 72 #define HCP_HEADER(type, instr) ((((type) & 0x03) << 6) | ((instr) & 0x3f)) 73 #define HCP_MSG_GET_TYPE(header) ((header & 0xc0) >> 6) 74 #define HCP_MSG_GET_CMD(header) (header & 0x3f) 75 76 int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe, 77 u8 type, u8 instruction, 78 const u8 *payload, size_t payload_len, 79 data_exchange_cb_t cb, void *cb_context, 80 unsigned long completion_delay); 81 82 u8 nfc_hci_pipe2gate(struct nfc_hci_dev *hdev, u8 pipe); 83 84 void nfc_hci_hcp_message_rx(struct nfc_hci_dev *hdev, u8 pipe, u8 type, 85 u8 instruction, struct sk_buff *skb); 86 87 /* HCP headers */ 88 #define NFC_HCI_HCP_PACKET_HEADER_LEN 1 89 #define NFC_HCI_HCP_MESSAGE_HEADER_LEN 1 90 #define NFC_HCI_HCP_HEADER_LEN 2 91 92 /* HCP types */ 93 #define NFC_HCI_HCP_COMMAND 0x00 94 #define NFC_HCI_HCP_EVENT 0x01 95 #define NFC_HCI_HCP_RESPONSE 0x02 96 97 /* Generic commands */ 98 #define NFC_HCI_ANY_SET_PARAMETER 0x01 99 #define NFC_HCI_ANY_GET_PARAMETER 0x02 100 #define NFC_HCI_ANY_OPEN_PIPE 0x03 101 #define NFC_HCI_ANY_CLOSE_PIPE 0x04 102 103 /* Reader RF commands */ 104 #define NFC_HCI_WR_XCHG_DATA 0x10 105 106 /* Admin commands */ 107 #define NFC_HCI_ADM_CREATE_PIPE 0x10 108 #define NFC_HCI_ADM_DELETE_PIPE 0x11 109 #define NFC_HCI_ADM_NOTIFY_PIPE_CREATED 0x12 110 #define NFC_HCI_ADM_NOTIFY_PIPE_DELETED 0x13 111 #define NFC_HCI_ADM_CLEAR_ALL_PIPE 0x14 112 #define NFC_HCI_ADM_NOTIFY_ALL_PIPE_CLEARED 0x15 113 114 /* Generic responses */ 115 #define NFC_HCI_ANY_OK 0x00 116 #define NFC_HCI_ANY_E_NOT_CONNECTED 0x01 117 #define NFC_HCI_ANY_E_CMD_PAR_UNKNOWN 0x02 118 #define NFC_HCI_ANY_E_NOK 0x03 119 #define NFC_HCI_ANY_E_PIPES_FULL 0x04 120 #define NFC_HCI_ANY_E_REG_PAR_UNKNOWN 0x05 121 #define NFC_HCI_ANY_E_PIPE_NOT_OPENED 0x06 122 #define NFC_HCI_ANY_E_CMD_NOT_SUPPORTED 0x07 123 #define NFC_HCI_ANY_E_INHIBITED 0x08 124 #define NFC_HCI_ANY_E_TIMEOUT 0x09 125 #define NFC_HCI_ANY_E_REG_ACCESS_DENIED 0x0a 126 #define NFC_HCI_ANY_E_PIPE_ACCESS_DENIED 0x0b 127 128 #endif /* __LOCAL_HCI_H */ 129