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,
35 u32 im_protocols, u32 tm_protocols);
36 int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate,
37 struct nfc_target *target);
38 int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate,
39 struct nfc_target *target);
40 int (*data_exchange) (struct nfc_hci_dev *hdev,
41 struct nfc_target *target,
42 struct sk_buff *skb, struct sk_buff **res_skb);
43 int (*check_presence)(struct nfc_hci_dev *hdev,
44 struct nfc_target *target);
48 #define NFC_HCI_INVALID_PIPE 0x80
49 #define NFC_HCI_LINK_MGMT_PIPE 0x00
50 #define NFC_HCI_ADMIN_PIPE 0x01
57 #define NFC_HCI_MAX_CUSTOM_GATES 50
58 struct nfc_hci_init_data {
60 struct nfc_hci_gate gates[NFC_HCI_MAX_CUSTOM_GATES];
64 typedef int (*xmit) (struct sk_buff *skb, void *cb_data);
66 #define NFC_HCI_MAX_GATES 256
71 u32 max_data_link_payload;
73 struct mutex msg_tx_mutex;
75 struct list_head msg_tx_queue;
77 struct work_struct msg_tx_work;
79 struct timer_list cmd_timer;
80 struct hci_msg *cmd_pending_msg;
82 struct sk_buff_head rx_hcp_frags;
84 struct work_struct msg_rx_work;
86 struct sk_buff_head msg_rx_queue;
88 struct nfc_hci_ops *ops;
90 struct nfc_hci_init_data init_data;
94 u8 gate2pipe[NFC_HCI_MAX_GATES];
108 /* hci device allocation */
109 struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
110 struct nfc_hci_init_data *init_data,
114 int max_link_payload);
115 void nfc_hci_free_device(struct nfc_hci_dev *hdev);
117 int nfc_hci_register_device(struct nfc_hci_dev *hdev);
118 void nfc_hci_unregister_device(struct nfc_hci_dev *hdev);
120 void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata);
121 void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev);
123 void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err);
126 #define NFC_HCI_HOST_CONTROLLER_ID 0x00
127 #define NFC_HCI_TERMINAL_HOST_ID 0x01
128 #define NFC_HCI_UICC_HOST_ID 0x02
130 /* Host Controller Gates and registry indexes */
131 #define NFC_HCI_ADMIN_GATE 0x00
132 #define NFC_HCI_ADMIN_SESSION_IDENTITY 0x01
133 #define NFC_HCI_ADMIN_MAX_PIPE 0x02
134 #define NFC_HCI_ADMIN_WHITELIST 0x03
135 #define NFC_HCI_ADMIN_HOST_LIST 0x04
137 #define NFC_HCI_LOOPBACK_GATE 0x04
139 #define NFC_HCI_ID_MGMT_GATE 0x05
140 #define NFC_HCI_ID_MGMT_VERSION_SW 0x01
141 #define NFC_HCI_ID_MGMT_VERSION_HW 0x03
142 #define NFC_HCI_ID_MGMT_VENDOR_NAME 0x04
143 #define NFC_HCI_ID_MGMT_MODEL_ID 0x05
144 #define NFC_HCI_ID_MGMT_HCI_VERSION 0x02
145 #define NFC_HCI_ID_MGMT_GATES_LIST 0x06
147 #define NFC_HCI_LINK_MGMT_GATE 0x06
148 #define NFC_HCI_LINK_MGMT_REC_ERROR 0x01
150 #define NFC_HCI_RF_READER_B_GATE 0x11
151 #define NFC_HCI_RF_READER_B_PUPI 0x03
152 #define NFC_HCI_RF_READER_B_APPLICATION_DATA 0x04
153 #define NFC_HCI_RF_READER_B_AFI 0x02
154 #define NFC_HCI_RF_READER_B_HIGHER_LAYER_RESPONSE 0x01
155 #define NFC_HCI_RF_READER_B_HIGHER_LAYER_DATA 0x05
157 #define NFC_HCI_RF_READER_A_GATE 0x13
158 #define NFC_HCI_RF_READER_A_UID 0x02
159 #define NFC_HCI_RF_READER_A_ATQA 0x04
160 #define NFC_HCI_RF_READER_A_APPLICATION_DATA 0x05
161 #define NFC_HCI_RF_READER_A_SAK 0x03
162 #define NFC_HCI_RF_READER_A_FWI_SFGT 0x06
163 #define NFC_HCI_RF_READER_A_DATARATE_MAX 0x01
165 #define NFC_HCI_TYPE_A_SEL_PROT(x) (((x) & 0x60) >> 5)
166 #define NFC_HCI_TYPE_A_SEL_PROT_MIFARE 0
167 #define NFC_HCI_TYPE_A_SEL_PROT_ISO14443 1
168 #define NFC_HCI_TYPE_A_SEL_PROT_DEP 2
169 #define NFC_HCI_TYPE_A_SEL_PROT_ISO14443_DEP 3
172 #define NFC_HCI_EVT_HCI_END_OF_OPERATION 0x01
173 #define NFC_HCI_EVT_POST_DATA 0x02
174 #define NFC_HCI_EVT_HOT_PLUG 0x03
176 /* Reader RF gates events */
177 #define NFC_HCI_EVT_READER_REQUESTED 0x10
178 #define NFC_HCI_EVT_END_OPERATION 0x11
180 /* Reader Application gate events */
181 #define NFC_HCI_EVT_TARGET_DISCOVERED 0x10
183 /* receiving messages from lower layer */
184 void nfc_hci_resp_received(struct nfc_hci_dev *hdev, u8 result,
185 struct sk_buff *skb);
186 void nfc_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
187 struct sk_buff *skb);
188 void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
189 struct sk_buff *skb);
190 void nfc_hci_recv_frame(struct nfc_hci_dev *hdev, struct sk_buff *skb);
192 /* connecting to gates and sending hci instructions */
193 int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate,
195 int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate);
196 int nfc_hci_disconnect_all_gates(struct nfc_hci_dev *hdev);
197 int nfc_hci_get_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
198 struct sk_buff **skb);
199 int nfc_hci_set_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
200 const u8 *param, size_t param_len);
201 int nfc_hci_send_cmd(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
202 const u8 *param, size_t param_len, struct sk_buff **skb);
203 int nfc_hci_send_cmd_async(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
204 const u8 *param, size_t param_len,
205 data_exchange_cb_t cb, void *cb_context);
206 int nfc_hci_send_response(struct nfc_hci_dev *hdev, u8 gate, u8 response,
207 const u8 *param, size_t param_len);
208 int nfc_hci_send_event(struct nfc_hci_dev *hdev, u8 gate, u8 event,
209 const u8 *param, size_t param_len);
211 #endif /* __NET_HCI_H */