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);
34 * xmit must always send the complete buffer before
35 * returning. Returned result must be 0 for success
36 * or negative for failure.
38 int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
39 int (*start_poll) (struct nfc_hci_dev *hdev,
40 u32 im_protocols, u32 tm_protocols);
41 int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate,
42 struct nfc_target *target);
43 int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate,
44 struct nfc_target *target);
45 int (*data_exchange) (struct nfc_hci_dev *hdev,
46 struct nfc_target *target, struct sk_buff *skb,
47 data_exchange_cb_t cb, void *cb_context);
48 int (*check_presence)(struct nfc_hci_dev *hdev,
49 struct nfc_target *target);
53 #define NFC_HCI_INVALID_PIPE 0x80
54 #define NFC_HCI_LINK_MGMT_PIPE 0x00
55 #define NFC_HCI_ADMIN_PIPE 0x01
62 #define NFC_HCI_MAX_CUSTOM_GATES 50
63 struct nfc_hci_init_data {
65 struct nfc_hci_gate gates[NFC_HCI_MAX_CUSTOM_GATES];
69 typedef int (*xmit) (struct sk_buff *skb, void *cb_data);
71 #define NFC_HCI_MAX_GATES 256
76 u32 max_data_link_payload;
78 struct mutex msg_tx_mutex;
80 struct list_head msg_tx_queue;
82 struct work_struct msg_tx_work;
84 struct timer_list cmd_timer;
85 struct hci_msg *cmd_pending_msg;
87 struct sk_buff_head rx_hcp_frags;
89 struct work_struct msg_rx_work;
91 struct sk_buff_head msg_rx_queue;
93 struct nfc_hci_ops *ops;
97 struct nfc_hci_init_data init_data;
101 u8 gate2pipe[NFC_HCI_MAX_GATES];
105 u8 sw_flashlib_major;
106 u8 sw_flashlib_minor;
115 data_exchange_cb_t async_cb;
116 void *async_cb_context;
119 /* hci device allocation */
120 struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
121 struct nfc_hci_init_data *init_data,
123 const char *llc_name,
126 int max_link_payload);
127 void nfc_hci_free_device(struct nfc_hci_dev *hdev);
129 int nfc_hci_register_device(struct nfc_hci_dev *hdev);
130 void nfc_hci_unregister_device(struct nfc_hci_dev *hdev);
132 void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata);
133 void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev);
135 void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err);
138 #define NFC_HCI_HOST_CONTROLLER_ID 0x00
139 #define NFC_HCI_TERMINAL_HOST_ID 0x01
140 #define NFC_HCI_UICC_HOST_ID 0x02
142 /* Host Controller Gates and registry indexes */
143 #define NFC_HCI_ADMIN_GATE 0x00
144 #define NFC_HCI_ADMIN_SESSION_IDENTITY 0x01
145 #define NFC_HCI_ADMIN_MAX_PIPE 0x02
146 #define NFC_HCI_ADMIN_WHITELIST 0x03
147 #define NFC_HCI_ADMIN_HOST_LIST 0x04
149 #define NFC_HCI_LOOPBACK_GATE 0x04
151 #define NFC_HCI_ID_MGMT_GATE 0x05
152 #define NFC_HCI_ID_MGMT_VERSION_SW 0x01
153 #define NFC_HCI_ID_MGMT_VERSION_HW 0x03
154 #define NFC_HCI_ID_MGMT_VENDOR_NAME 0x04
155 #define NFC_HCI_ID_MGMT_MODEL_ID 0x05
156 #define NFC_HCI_ID_MGMT_HCI_VERSION 0x02
157 #define NFC_HCI_ID_MGMT_GATES_LIST 0x06
159 #define NFC_HCI_LINK_MGMT_GATE 0x06
160 #define NFC_HCI_LINK_MGMT_REC_ERROR 0x01
162 #define NFC_HCI_RF_READER_B_GATE 0x11
163 #define NFC_HCI_RF_READER_B_PUPI 0x03
164 #define NFC_HCI_RF_READER_B_APPLICATION_DATA 0x04
165 #define NFC_HCI_RF_READER_B_AFI 0x02
166 #define NFC_HCI_RF_READER_B_HIGHER_LAYER_RESPONSE 0x01
167 #define NFC_HCI_RF_READER_B_HIGHER_LAYER_DATA 0x05
169 #define NFC_HCI_RF_READER_A_GATE 0x13
170 #define NFC_HCI_RF_READER_A_UID 0x02
171 #define NFC_HCI_RF_READER_A_ATQA 0x04
172 #define NFC_HCI_RF_READER_A_APPLICATION_DATA 0x05
173 #define NFC_HCI_RF_READER_A_SAK 0x03
174 #define NFC_HCI_RF_READER_A_FWI_SFGT 0x06
175 #define NFC_HCI_RF_READER_A_DATARATE_MAX 0x01
177 #define NFC_HCI_TYPE_A_SEL_PROT(x) (((x) & 0x60) >> 5)
178 #define NFC_HCI_TYPE_A_SEL_PROT_MIFARE 0
179 #define NFC_HCI_TYPE_A_SEL_PROT_ISO14443 1
180 #define NFC_HCI_TYPE_A_SEL_PROT_DEP 2
181 #define NFC_HCI_TYPE_A_SEL_PROT_ISO14443_DEP 3
184 #define NFC_HCI_EVT_HCI_END_OF_OPERATION 0x01
185 #define NFC_HCI_EVT_POST_DATA 0x02
186 #define NFC_HCI_EVT_HOT_PLUG 0x03
188 /* Reader RF gates events */
189 #define NFC_HCI_EVT_READER_REQUESTED 0x10
190 #define NFC_HCI_EVT_END_OPERATION 0x11
192 /* Reader Application gate events */
193 #define NFC_HCI_EVT_TARGET_DISCOVERED 0x10
195 /* receiving messages from lower layer */
196 void nfc_hci_resp_received(struct nfc_hci_dev *hdev, u8 result,
197 struct sk_buff *skb);
198 void nfc_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
199 struct sk_buff *skb);
200 void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
201 struct sk_buff *skb);
202 void nfc_hci_recv_frame(struct nfc_hci_dev *hdev, struct sk_buff *skb);
204 /* connecting to gates and sending hci instructions */
205 int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate,
207 int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate);
208 int nfc_hci_disconnect_all_gates(struct nfc_hci_dev *hdev);
209 int nfc_hci_get_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
210 struct sk_buff **skb);
211 int nfc_hci_set_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx,
212 const u8 *param, size_t param_len);
213 int nfc_hci_send_cmd(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
214 const u8 *param, size_t param_len, struct sk_buff **skb);
215 int nfc_hci_send_cmd_async(struct nfc_hci_dev *hdev, u8 gate, u8 cmd,
216 const u8 *param, size_t param_len,
217 data_exchange_cb_t cb, void *cb_context);
218 int nfc_hci_send_response(struct nfc_hci_dev *hdev, u8 gate, u8 response,
219 const u8 *param, size_t param_len);
220 int nfc_hci_send_event(struct nfc_hci_dev *hdev, u8 gate, u8 event,
221 const u8 *param, size_t param_len);
223 #endif /* __NET_HCI_H */