2 * Copyright (C) 2011 Intel Corporation. All rights reserved.
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.
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.
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.
23 #include <linux/skbuff.h>
25 #include <net/nfc/nfc.h>
30 int (*open) (struct nfc_hci_dev *hdev);
31 void (*close) (struct nfc_hci_dev *hdev);
32 int (*hci_ready) (struct nfc_hci_dev *hdev);
33 int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
34 int (*start_poll) (struct nfc_hci_dev *hdev, u32 protocols);
35 int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate,
36 struct nfc_target *target);
37 int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate,
38 struct nfc_target *target);
39 int (*data_exchange) (struct nfc_hci_dev *hdev,
40 struct nfc_target *target,
41 struct sk_buff *skb, struct sk_buff **res_skb);
44 #define NFC_HCI_MAX_CUSTOM_GATES 15
45 struct nfc_hci_init_data {
47 u8 gates[NFC_HCI_MAX_CUSTOM_GATES];
51 typedef int (*xmit) (struct sk_buff *skb, void *cb_data);
53 #define NFC_HCI_MAX_GATES 256
58 u32 max_data_link_payload;
60 struct mutex msg_tx_mutex;
62 struct list_head msg_tx_queue;
64 struct workqueue_struct *msg_tx_wq;
65 struct work_struct msg_tx_work;
67 struct timer_list cmd_timer;
68 struct hci_msg *cmd_pending_msg;
70 struct sk_buff_head rx_hcp_frags;
72 struct workqueue_struct *msg_rx_wq;
73 struct work_struct msg_rx_work;
75 struct sk_buff_head msg_rx_queue;
77 struct nfc_hci_ops *ops;
79 struct nfc_hci_init_data init_data;
83 u8 gate2pipe[NFC_HCI_MAX_GATES];
99 /* hci device allocation */
100 struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
101 struct nfc_hci_init_data *init_data,
105 int max_link_payload);
106 void nfc_hci_free_device(struct nfc_hci_dev *hdev);
108 int nfc_hci_register_device(struct nfc_hci_dev *hdev);
109 void nfc_hci_unregister_device(struct nfc_hci_dev *hdev);
111 void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata);
112 void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev);
115 #define NFC_HCI_HOST_CONTROLLER_ID 0x00
116 #define NFC_HCI_TERMINAL_HOST_ID 0x01
117 #define NFC_HCI_UICC_HOST_ID 0x02
119 /* Host Controller Gates and registry indexes */
120 #define NFC_HCI_ADMIN_GATE 0x00
121 #define NFC_HCI_ADMIN_SESSION_IDENTITY 0x01
122 #define NFC_HCI_ADMIN_MAX_PIPE 0x02
123 #define NFC_HCI_ADMIN_WHITELIST 0x03
124 #define NFC_HCI_ADMIN_HOST_LIST 0x04
126 #define NFC_HCI_LOOPBACK_GATE 0x04
128 #define NFC_HCI_ID_MGMT_GATE 0x05
129 #define NFC_HCI_ID_MGMT_VERSION_SW 0x01
130 #define NFC_HCI_ID_MGMT_VERSION_HW 0x03
131 #define NFC_HCI_ID_MGMT_VENDOR_NAME 0x04
132 #define NFC_HCI_ID_MGMT_MODEL_ID 0x05
133 #define NFC_HCI_ID_MGMT_HCI_VERSION 0x02
134 #define NFC_HCI_ID_MGMT_GATES_LIST 0x06
136 #define NFC_HCI_LINK_MGMT_GATE 0x06
137 #define NFC_HCI_LINK_MGMT_REC_ERROR 0x01
139 #define NFC_HCI_RF_READER_B_GATE 0x11
140 #define NFC_HCI_RF_READER_B_PUPI 0x03
141 #define NFC_HCI_RF_READER_B_APPLICATION_DATA 0x04
142 #define NFC_HCI_RF_READER_B_AFI 0x02
143 #define NFC_HCI_RF_READER_B_HIGHER_LAYER_RESPONSE 0x01
144 #define NFC_HCI_RF_READER_B_HIGHER_LAYER_DATA 0x05
146 #define NFC_HCI_RF_READER_A_GATE 0x13
147 #define NFC_HCI_RF_READER_A_UID 0x02
148 #define NFC_HCI_RF_READER_A_ATQA 0x04
149 #define NFC_HCI_RF_READER_A_APPLICATION_DATA 0x05
150 #define NFC_HCI_RF_READER_A_SAK 0x03
151 #define NFC_HCI_RF_READER_A_FWI_SFGT 0x06
152 #define NFC_HCI_RF_READER_A_DATARATE_MAX 0x01
154 #define NFC_HCI_TYPE_A_SEL_PROT(x) (((x) & 0x60) >> 5)
155 #define NFC_HCI_TYPE_A_SEL_PROT_MIFARE 0
156 #define NFC_HCI_TYPE_A_SEL_PROT_ISO14443 1
157 #define NFC_HCI_TYPE_A_SEL_PROT_DEP 2
158 #define NFC_HCI_TYPE_A_SEL_PROT_ISO14443_DEP 3
161 #define NFC_HCI_EVT_HCI_END_OF_OPERATION 0x01
162 #define NFC_HCI_EVT_POST_DATA 0x02
163 #define NFC_HCI_EVT_HOT_PLUG 0x03
165 /* Reader RF gates events */
166 #define NFC_HCI_EVT_READER_REQUESTED 0x10
167 #define NFC_HCI_EVT_END_OPERATION 0x11
169 /* Reader Application gate events */
170 #define NFC_HCI_EVT_TARGET_DISCOVERED 0x10
172 /* receiving messages from lower layer */
173 void nfc_hci_resp_received(struct nfc_hci_dev *hdev, u8 result,
174 struct sk_buff *skb);
175 void nfc_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
176 struct sk_buff *skb);
177 void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
178 struct sk_buff *skb);
179 void nfc_hci_recv_frame(struct nfc_hci_dev *hdev, struct sk_buff *skb);
181 /* connecting to gates and sending hci instructions */
182 int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate);
183 int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate);
184 int nfc_hci_disconnect_all_gates(struct nfc_hci_dev *hdev);
185 int nfc_hci_get_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
186 struct sk_buff **skb);
187 int nfc_hci_set_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
188 const u8 *param, size_t param_len);
189 int nfc_hci_send_cmd(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
190 const u8 *param, size_t param_len, struct sk_buff **skb);
191 int nfc_hci_send_response(struct nfc_hci_dev *hdev, u8 gate, u8 response,
192 const u8 *param, size_t param_len);
193 int nfc_hci_send_event(struct nfc_hci_dev *hdev, u8 gate, u8 event,
194 const u8 *param, size_t param_len);
196 #endif /* __NET_HCI_H */