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8b8d2e08 EL |
1 | /* |
2 | * Copyright (C) 2011 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 __NET_HCI_H | |
21 | #define __NET_HCI_H | |
22 | ||
23 | #include <linux/skbuff.h> | |
24 | ||
25 | #include <net/nfc/nfc.h> | |
26 | ||
27 | struct nfc_hci_dev; | |
28 | ||
29 | struct nfc_hci_ops { | |
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); | |
96e32402 WR |
33 | /* |
34 | * xmit must always send the complete buffer before | |
35 | * returning. Returned result must be 0 for success | |
36 | * or negative for failure. | |
37 | */ | |
8b8d2e08 | 38 | int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb); |
fe7c5800 SO |
39 | int (*start_poll) (struct nfc_hci_dev *hdev, |
40 | u32 im_protocols, u32 tm_protocols); | |
8b8d2e08 EL |
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, | |
f3e8fb55 EL |
46 | struct nfc_target *target, struct sk_buff *skb, |
47 | data_exchange_cb_t cb, void *cb_context); | |
1676f751 EL |
48 | int (*check_presence)(struct nfc_hci_dev *hdev, |
49 | struct nfc_target *target); | |
8b8d2e08 EL |
50 | }; |
51 | ||
a10d595b EL |
52 | /* Pipes */ |
53 | #define NFC_HCI_INVALID_PIPE 0x80 | |
54 | #define NFC_HCI_LINK_MGMT_PIPE 0x00 | |
55 | #define NFC_HCI_ADMIN_PIPE 0x01 | |
56 | ||
57 | struct nfc_hci_gate { | |
58 | u8 gate; | |
59 | u8 pipe; | |
60 | }; | |
61 | ||
62 | #define NFC_HCI_MAX_CUSTOM_GATES 50 | |
8b8d2e08 EL |
63 | struct nfc_hci_init_data { |
64 | u8 gate_count; | |
a10d595b | 65 | struct nfc_hci_gate gates[NFC_HCI_MAX_CUSTOM_GATES]; |
8b8d2e08 EL |
66 | char session_id[9]; |
67 | }; | |
68 | ||
69 | typedef int (*xmit) (struct sk_buff *skb, void *cb_data); | |
70 | ||
71 | #define NFC_HCI_MAX_GATES 256 | |
72 | ||
73 | struct nfc_hci_dev { | |
74 | struct nfc_dev *ndev; | |
75 | ||
76 | u32 max_data_link_payload; | |
77 | ||
78 | struct mutex msg_tx_mutex; | |
79 | ||
80 | struct list_head msg_tx_queue; | |
81 | ||
8b8d2e08 EL |
82 | struct work_struct msg_tx_work; |
83 | ||
84 | struct timer_list cmd_timer; | |
85 | struct hci_msg *cmd_pending_msg; | |
86 | ||
87 | struct sk_buff_head rx_hcp_frags; | |
88 | ||
8b8d2e08 EL |
89 | struct work_struct msg_rx_work; |
90 | ||
91 | struct sk_buff_head msg_rx_queue; | |
92 | ||
93 | struct nfc_hci_ops *ops; | |
94 | ||
412fda53 EL |
95 | struct nfc_llc *llc; |
96 | ||
8b8d2e08 EL |
97 | struct nfc_hci_init_data init_data; |
98 | ||
99 | void *clientdata; | |
100 | ||
101 | u8 gate2pipe[NFC_HCI_MAX_GATES]; | |
102 | ||
8b8d2e08 EL |
103 | u8 sw_romlib; |
104 | u8 sw_patch; | |
105 | u8 sw_flashlib_major; | |
106 | u8 sw_flashlib_minor; | |
107 | ||
108 | u8 hw_derivative; | |
109 | u8 hw_version; | |
110 | u8 hw_mpw; | |
111 | u8 hw_software; | |
112 | u8 hw_bsid; | |
f3e8fb55 EL |
113 | |
114 | int async_cb_type; | |
115 | data_exchange_cb_t async_cb; | |
116 | void *async_cb_context; | |
8b8d2e08 EL |
117 | }; |
118 | ||
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, | |
122 | u32 protocols, | |
412fda53 | 123 | const char *llc_name, |
8b8d2e08 EL |
124 | int tx_headroom, |
125 | int tx_tailroom, | |
126 | int max_link_payload); | |
127 | void nfc_hci_free_device(struct nfc_hci_dev *hdev); | |
128 | ||
129 | int nfc_hci_register_device(struct nfc_hci_dev *hdev); | |
130 | void nfc_hci_unregister_device(struct nfc_hci_dev *hdev); | |
131 | ||
132 | void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata); | |
133 | void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev); | |
134 | ||
a9a741a7 EL |
135 | void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err); |
136 | ||
8b8d2e08 EL |
137 | /* Host IDs */ |
138 | #define NFC_HCI_HOST_CONTROLLER_ID 0x00 | |
139 | #define NFC_HCI_TERMINAL_HOST_ID 0x01 | |
140 | #define NFC_HCI_UICC_HOST_ID 0x02 | |
141 | ||
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 | |
148 | ||
149 | #define NFC_HCI_LOOPBACK_GATE 0x04 | |
150 | ||
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 | |
158 | ||
159 | #define NFC_HCI_LINK_MGMT_GATE 0x06 | |
160 | #define NFC_HCI_LINK_MGMT_REC_ERROR 0x01 | |
161 | ||
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 | |
168 | ||
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 | |
176 | ||
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 | |
182 | ||
183 | /* Generic events */ | |
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 | |
187 | ||
188 | /* Reader RF gates events */ | |
189 | #define NFC_HCI_EVT_READER_REQUESTED 0x10 | |
190 | #define NFC_HCI_EVT_END_OPERATION 0x11 | |
191 | ||
192 | /* Reader Application gate events */ | |
193 | #define NFC_HCI_EVT_TARGET_DISCOVERED 0x10 | |
194 | ||
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); | |
203 | ||
204 | /* connecting to gates and sending hci instructions */ | |
a10d595b EL |
205 | int nfc_hci_connect_gate(struct nfc_hci_dev *hdev, u8 dest_host, u8 dest_gate, |
206 | u8 pipe); | |
8b8d2e08 EL |
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); | |
e4c4789e EL |
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); | |
8b8d2e08 EL |
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); | |
222 | ||
223 | #endif /* __NET_HCI_H */ |