Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 1 | /* |
| 2 | * The NFC Controller Interface is the communication protocol between an |
| 3 | * NFC Controller (NFCC) and a Device Host (DH). |
| 4 | * |
| 5 | * Copyright (C) 2011 Texas Instruments, Inc. |
Frederic Danis | 8a00a61 | 2013-05-29 15:35:02 +0200 | [diff] [blame] | 6 | * Copyright (C) 2013 Intel Corporation. All rights reserved. |
Julien Lefrique | a99903e | 2014-10-21 16:52:46 +0200 | [diff] [blame] | 7 | * Copyright (C) 2014 Marvell International Ltd. |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 8 | * |
| 9 | * Written by Ilan Elias <ilane@ti.com> |
| 10 | * |
| 11 | * Acknowledgements: |
| 12 | * This file is based on hci_core.h, which was written |
| 13 | * by Maxim Krasnyansky. |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or modify |
| 16 | * it under the terms of the GNU General Public License version 2 |
| 17 | * as published by the Free Software Foundation |
| 18 | * |
| 19 | * This program is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | * GNU General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License |
Jeff Kirsher | a6227e2 | 2013-12-06 09:13:40 -0800 | [diff] [blame] | 25 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 26 | * |
| 27 | */ |
| 28 | |
| 29 | #ifndef __NCI_CORE_H |
| 30 | #define __NCI_CORE_H |
| 31 | |
| 32 | #include <linux/interrupt.h> |
| 33 | #include <linux/skbuff.h> |
| 34 | |
| 35 | #include <net/nfc/nfc.h> |
| 36 | #include <net/nfc/nci.h> |
| 37 | |
Ilan Elias | 8939e47 | 2012-01-18 13:16:12 +0200 | [diff] [blame] | 38 | /* NCI device flags */ |
| 39 | enum nci_flag { |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 40 | NCI_INIT, |
| 41 | NCI_UP, |
Ilan Elias | 38f04c6 | 2011-09-22 11:36:19 +0300 | [diff] [blame] | 42 | NCI_DATA_EXCHANGE, |
Ilan Elias | c4bf98b | 2012-01-17 12:03:50 +0200 | [diff] [blame] | 43 | NCI_DATA_EXCHANGE_TO, |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 44 | }; |
| 45 | |
Ilan Elias | 8939e47 | 2012-01-18 13:16:12 +0200 | [diff] [blame] | 46 | /* NCI device states */ |
| 47 | enum nci_state { |
| 48 | NCI_IDLE, |
| 49 | NCI_DISCOVERY, |
Ilan Elias | 019c4fb | 2012-01-18 13:16:14 +0200 | [diff] [blame] | 50 | NCI_W4_ALL_DISCOVERIES, |
| 51 | NCI_W4_HOST_SELECT, |
Ilan Elias | 8939e47 | 2012-01-18 13:16:12 +0200 | [diff] [blame] | 52 | NCI_POLL_ACTIVE, |
Julien Lefrique | a99903e | 2014-10-21 16:52:46 +0200 | [diff] [blame] | 53 | NCI_LISTEN_ACTIVE, |
| 54 | NCI_LISTEN_SLEEP, |
Ilan Elias | 8939e47 | 2012-01-18 13:16:12 +0200 | [diff] [blame] | 55 | }; |
| 56 | |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 57 | /* NCI timeouts */ |
| 58 | #define NCI_RESET_TIMEOUT 5000 |
| 59 | #define NCI_INIT_TIMEOUT 5000 |
Ilan Elias | 7e03523 | 2012-08-15 11:46:22 +0300 | [diff] [blame] | 60 | #define NCI_SET_CONFIG_TIMEOUT 5000 |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 61 | #define NCI_RF_DISC_TIMEOUT 5000 |
Ilan Elias | 019c4fb | 2012-01-18 13:16:14 +0200 | [diff] [blame] | 62 | #define NCI_RF_DISC_SELECT_TIMEOUT 5000 |
Ilan Elias | 11ee515 | 2012-01-08 13:43:02 +0200 | [diff] [blame] | 63 | #define NCI_RF_DEACTIVATE_TIMEOUT 30000 |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 64 | #define NCI_CMD_TIMEOUT 5000 |
Ilan Elias | c4bf98b | 2012-01-17 12:03:50 +0200 | [diff] [blame] | 65 | #define NCI_DATA_TIMEOUT 700 |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 66 | |
| 67 | struct nci_dev; |
| 68 | |
Samuel Ortiz | b6355e9 | 2015-06-06 13:16:37 +0200 | [diff] [blame] | 69 | struct nci_prop_ops { |
| 70 | __u16 opcode; |
| 71 | int (*rsp)(struct nci_dev *dev, struct sk_buff *skb); |
| 72 | int (*ntf)(struct nci_dev *dev, struct sk_buff *skb); |
| 73 | }; |
| 74 | |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 75 | struct nci_ops { |
Christophe Ricard | c39daee | 2015-06-06 13:16:40 +0200 | [diff] [blame^] | 76 | int (*init)(struct nci_dev *ndev); |
Christophe Ricard | 9e87f9a | 2014-09-13 10:28:49 +0200 | [diff] [blame] | 77 | int (*open)(struct nci_dev *ndev); |
| 78 | int (*close)(struct nci_dev *ndev); |
| 79 | int (*send)(struct nci_dev *ndev, struct sk_buff *skb); |
| 80 | int (*setup)(struct nci_dev *ndev); |
Clément Perrochaud | 25af01e | 2015-03-09 11:12:03 +0100 | [diff] [blame] | 81 | int (*fw_download)(struct nci_dev *ndev, const char *firmware_name); |
Christophe Ricard | 9e87f9a | 2014-09-13 10:28:49 +0200 | [diff] [blame] | 82 | __u32 (*get_rfprotocol)(struct nci_dev *ndev, __u8 rf_protocol); |
Christophe Ricard | ba4db55 | 2014-11-13 00:30:35 +0100 | [diff] [blame] | 83 | int (*discover_se)(struct nci_dev *ndev); |
Christophe Ricard | e9ef943 | 2014-11-13 00:30:37 +0100 | [diff] [blame] | 84 | int (*disable_se)(struct nci_dev *ndev, u32 se_idx); |
Christophe Ricard | 93bca2b | 2014-11-13 00:30:36 +0100 | [diff] [blame] | 85 | int (*enable_se)(struct nci_dev *ndev, u32 se_idx); |
Christophe Ricard | a688bf5 | 2014-11-13 00:30:38 +0100 | [diff] [blame] | 86 | int (*se_io)(struct nci_dev *ndev, u32 se_idx, |
| 87 | u8 *apdu, size_t apdu_length, |
| 88 | se_io_cb_t cb, void *cb_context); |
Christophe Ricard | 11f54f2 | 2015-02-01 22:26:14 +0100 | [diff] [blame] | 89 | int (*hci_load_session)(struct nci_dev *ndev); |
| 90 | void (*hci_event_received)(struct nci_dev *ndev, u8 pipe, u8 event, |
| 91 | struct sk_buff *skb); |
| 92 | void (*hci_cmd_received)(struct nci_dev *ndev, u8 pipe, u8 cmd, |
| 93 | struct sk_buff *skb); |
Samuel Ortiz | b6355e9 | 2015-06-06 13:16:37 +0200 | [diff] [blame] | 94 | |
| 95 | struct nci_prop_ops *prop_ops; |
| 96 | size_t n_prop_ops; |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 97 | }; |
| 98 | |
| 99 | #define NCI_MAX_SUPPORTED_RF_INTERFACES 4 |
Ilan Elias | 019c4fb | 2012-01-18 13:16:14 +0200 | [diff] [blame] | 100 | #define NCI_MAX_DISCOVERED_TARGETS 10 |
Christophe Ricard | 4aeee68 | 2015-02-01 22:26:08 +0100 | [diff] [blame] | 101 | #define NCI_MAX_NUM_NFCEE 255 |
| 102 | #define NCI_MAX_CONN_ID 7 |
Samuel Ortiz | b6355e9 | 2015-06-06 13:16:37 +0200 | [diff] [blame] | 103 | #define NCI_MAX_PROPRIETARY_CMD 64 |
Christophe Ricard | 4aeee68 | 2015-02-01 22:26:08 +0100 | [diff] [blame] | 104 | |
| 105 | struct nci_conn_info { |
| 106 | struct list_head list; |
| 107 | __u8 id; /* can be an RF Discovery ID or an NFCEE ID */ |
| 108 | __u8 conn_id; |
| 109 | __u8 max_pkt_payload_len; |
| 110 | |
| 111 | atomic_t credits_cnt; |
| 112 | __u8 initial_num_credits; |
| 113 | |
| 114 | data_exchange_cb_t data_exchange_cb; |
| 115 | void *data_exchange_cb_context; |
| 116 | |
| 117 | struct sk_buff *rx_skb; |
| 118 | }; |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 119 | |
Christophe Ricard | af9c8aa | 2015-02-01 22:26:10 +0100 | [diff] [blame] | 120 | #define NCI_INVALID_CONN_ID 0x80 |
| 121 | |
Christophe Ricard | 11f54f2 | 2015-02-01 22:26:14 +0100 | [diff] [blame] | 122 | #define NCI_HCI_ANY_OPEN_PIPE 0x03 |
| 123 | |
| 124 | /* Gates */ |
| 125 | #define NCI_HCI_ADMIN_GATE 0x00 |
| 126 | #define NCI_HCI_LINK_MGMT_GATE 0x06 |
| 127 | |
| 128 | /* Pipes */ |
| 129 | #define NCI_HCI_LINK_MGMT_PIPE 0x00 |
| 130 | #define NCI_HCI_ADMIN_PIPE 0x01 |
| 131 | |
| 132 | /* Generic responses */ |
| 133 | #define NCI_HCI_ANY_OK 0x00 |
| 134 | #define NCI_HCI_ANY_E_NOT_CONNECTED 0x01 |
| 135 | #define NCI_HCI_ANY_E_CMD_PAR_UNKNOWN 0x02 |
| 136 | #define NCI_HCI_ANY_E_NOK 0x03 |
| 137 | #define NCI_HCI_ANY_E_PIPES_FULL 0x04 |
| 138 | #define NCI_HCI_ANY_E_REG_PAR_UNKNOWN 0x05 |
| 139 | #define NCI_HCI_ANY_E_PIPE_NOT_OPENED 0x06 |
| 140 | #define NCI_HCI_ANY_E_CMD_NOT_SUPPORTED 0x07 |
| 141 | #define NCI_HCI_ANY_E_INHIBITED 0x08 |
| 142 | #define NCI_HCI_ANY_E_TIMEOUT 0x09 |
| 143 | #define NCI_HCI_ANY_E_REG_ACCESS_DENIED 0x0a |
| 144 | #define NCI_HCI_ANY_E_PIPE_ACCESS_DENIED 0x0b |
| 145 | |
| 146 | #define NCI_HCI_DO_NOT_OPEN_PIPE 0x81 |
| 147 | #define NCI_HCI_INVALID_PIPE 0x80 |
| 148 | #define NCI_HCI_INVALID_GATE 0xFF |
| 149 | #define NCI_HCI_INVALID_HOST 0x80 |
| 150 | |
| 151 | #define NCI_HCI_MAX_CUSTOM_GATES 50 |
Christophe Ricard | 1f74f32 | 2015-03-31 08:02:21 +0200 | [diff] [blame] | 152 | /* |
| 153 | * According to specification 102 622 chapter 4.4 Pipes, |
| 154 | * the pipe identifier is 7 bits long. |
| 155 | */ |
Christophe Ricard | 11f54f2 | 2015-02-01 22:26:14 +0100 | [diff] [blame] | 156 | #define NCI_HCI_MAX_PIPES 127 |
| 157 | |
| 158 | struct nci_hci_gate { |
| 159 | u8 gate; |
| 160 | u8 pipe; |
| 161 | u8 dest_host; |
| 162 | } __packed; |
| 163 | |
| 164 | struct nci_hci_pipe { |
| 165 | u8 gate; |
| 166 | u8 host; |
| 167 | } __packed; |
| 168 | |
| 169 | struct nci_hci_init_data { |
| 170 | u8 gate_count; |
| 171 | struct nci_hci_gate gates[NCI_HCI_MAX_CUSTOM_GATES]; |
| 172 | char session_id[9]; |
| 173 | }; |
| 174 | |
| 175 | #define NCI_HCI_MAX_GATES 256 |
| 176 | |
| 177 | struct nci_hci_dev { |
Christophe Ricard | 15d4a8d | 2015-02-03 19:48:07 +0100 | [diff] [blame] | 178 | u8 nfcee_id; |
Christophe Ricard | 11f54f2 | 2015-02-01 22:26:14 +0100 | [diff] [blame] | 179 | struct nci_dev *ndev; |
| 180 | struct nci_conn_info *conn_info; |
| 181 | |
| 182 | struct nci_hci_init_data init_data; |
| 183 | struct nci_hci_pipe pipes[NCI_HCI_MAX_PIPES]; |
| 184 | u8 gate2pipe[NCI_HCI_MAX_GATES]; |
| 185 | int expected_pipes; |
| 186 | int count_pipes; |
| 187 | |
| 188 | struct sk_buff_head rx_hcp_frags; |
| 189 | struct work_struct msg_rx_work; |
| 190 | struct sk_buff_head msg_rx_queue; |
| 191 | }; |
| 192 | |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 193 | /* NCI Core structures */ |
| 194 | struct nci_dev { |
| 195 | struct nfc_dev *nfc_dev; |
| 196 | struct nci_ops *ops; |
Christophe Ricard | 11f54f2 | 2015-02-01 22:26:14 +0100 | [diff] [blame] | 197 | struct nci_hci_dev *hci_dev; |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 198 | |
| 199 | int tx_headroom; |
| 200 | int tx_tailroom; |
| 201 | |
Ilan Elias | 8939e47 | 2012-01-18 13:16:12 +0200 | [diff] [blame] | 202 | atomic_t state; |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 203 | unsigned long flags; |
| 204 | |
| 205 | atomic_t cmd_cnt; |
Christophe Ricard | 4aeee68 | 2015-02-01 22:26:08 +0100 | [diff] [blame] | 206 | __u8 cur_conn_id; |
| 207 | |
| 208 | struct list_head conn_info_list; |
Christophe Ricard | 12bdf27 | 2015-02-03 19:48:04 +0100 | [diff] [blame] | 209 | struct nci_conn_info *rf_conn_info; |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 210 | |
| 211 | struct timer_list cmd_timer; |
Ilan Elias | c4bf98b | 2012-01-17 12:03:50 +0200 | [diff] [blame] | 212 | struct timer_list data_timer; |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 213 | |
| 214 | struct workqueue_struct *cmd_wq; |
| 215 | struct work_struct cmd_work; |
| 216 | |
| 217 | struct workqueue_struct *rx_wq; |
| 218 | struct work_struct rx_work; |
| 219 | |
| 220 | struct workqueue_struct *tx_wq; |
| 221 | struct work_struct tx_work; |
| 222 | |
| 223 | struct sk_buff_head cmd_q; |
| 224 | struct sk_buff_head rx_q; |
| 225 | struct sk_buff_head tx_q; |
| 226 | |
| 227 | struct mutex req_lock; |
| 228 | struct completion req_completion; |
| 229 | __u32 req_status; |
| 230 | __u32 req_result; |
| 231 | |
| 232 | void *driver_data; |
| 233 | |
| 234 | __u32 poll_prots; |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 235 | __u32 target_active_prot; |
| 236 | |
Ilan Elias | 019c4fb | 2012-01-18 13:16:14 +0200 | [diff] [blame] | 237 | struct nfc_target targets[NCI_MAX_DISCOVERED_TARGETS]; |
| 238 | int n_targets; |
| 239 | |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 240 | /* received during NCI_OP_CORE_RESET_RSP */ |
| 241 | __u8 nci_ver; |
| 242 | |
| 243 | /* received during NCI_OP_CORE_INIT_RSP */ |
| 244 | __u32 nfcc_features; |
| 245 | __u8 num_supported_rf_interfaces; |
| 246 | __u8 supported_rf_interfaces |
| 247 | [NCI_MAX_SUPPORTED_RF_INTERFACES]; |
| 248 | __u8 max_logical_connections; |
| 249 | __u16 max_routing_table_size; |
Ilan Elias | e8c0dac | 2011-11-09 12:09:14 +0200 | [diff] [blame] | 250 | __u8 max_ctrl_pkt_payload_len; |
| 251 | __u16 max_size_for_large_params; |
Ilan Elias | e8c0dac | 2011-11-09 12:09:14 +0200 | [diff] [blame] | 252 | __u8 manufact_id; |
| 253 | __u32 manufact_specific_info; |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 254 | |
Christophe Ricard | 4aeee68 | 2015-02-01 22:26:08 +0100 | [diff] [blame] | 255 | /* Save RF Discovery ID or NFCEE ID under conn_create */ |
| 256 | __u8 cur_id; |
Ilan Elias | 637d85a | 2011-12-20 16:57:40 +0200 | [diff] [blame] | 257 | |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 258 | /* stored during nci_data_exchange */ |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 259 | struct sk_buff *rx_data_reassembly; |
Ilan Elias | 767f19a | 2012-08-15 11:46:24 +0300 | [diff] [blame] | 260 | |
| 261 | /* stored during intf_activated_ntf */ |
| 262 | __u8 remote_gb[NFC_MAX_GT_LEN]; |
| 263 | __u8 remote_gb_len; |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 264 | }; |
| 265 | |
| 266 | /* ----- NCI Devices ----- */ |
| 267 | struct nci_dev *nci_allocate_device(struct nci_ops *ops, |
Samuel Ortiz | eb9bc6e | 2012-03-05 01:03:54 +0100 | [diff] [blame] | 268 | __u32 supported_protocols, |
| 269 | int tx_headroom, |
| 270 | int tx_tailroom); |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 271 | void nci_free_device(struct nci_dev *ndev); |
| 272 | int nci_register_device(struct nci_dev *ndev); |
| 273 | void nci_unregister_device(struct nci_dev *ndev); |
Christophe Ricard | 11f54f2 | 2015-02-01 22:26:14 +0100 | [diff] [blame] | 274 | int nci_request(struct nci_dev *ndev, |
| 275 | void (*req)(struct nci_dev *ndev, |
| 276 | unsigned long opt), |
| 277 | unsigned long opt, __u32 timeout); |
Frederic Danis | 1095e69 | 2013-05-22 11:36:17 +0200 | [diff] [blame] | 278 | int nci_recv_frame(struct nci_dev *ndev, struct sk_buff *skb); |
Amitkumar Karwar | 22c15bf | 2014-01-06 12:58:18 -0800 | [diff] [blame] | 279 | int nci_set_config(struct nci_dev *ndev, __u8 id, size_t len, __u8 *val); |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 280 | |
Christophe Ricard | af9c8aa | 2015-02-01 22:26:10 +0100 | [diff] [blame] | 281 | int nci_nfcee_discover(struct nci_dev *ndev, u8 action); |
Christophe Ricard | f7f793f | 2015-02-01 22:26:11 +0100 | [diff] [blame] | 282 | int nci_nfcee_mode_set(struct nci_dev *ndev, u8 nfcee_id, u8 nfcee_mode); |
Christophe Ricard | b16ae71 | 2015-02-03 19:48:05 +0100 | [diff] [blame] | 283 | int nci_core_conn_create(struct nci_dev *ndev, u8 destination_type, |
| 284 | u8 number_destination_params, |
| 285 | size_t params_len, |
Christophe Ricard | 736bb95 | 2015-02-01 22:26:12 +0100 | [diff] [blame] | 286 | struct core_conn_create_dest_spec_params *params); |
| 287 | int nci_core_conn_close(struct nci_dev *ndev, u8 conn_id); |
Christophe Ricard | af9c8aa | 2015-02-01 22:26:10 +0100 | [diff] [blame] | 288 | |
Christophe Ricard | 11f54f2 | 2015-02-01 22:26:14 +0100 | [diff] [blame] | 289 | struct nci_hci_dev *nci_hci_allocate(struct nci_dev *ndev); |
| 290 | int nci_hci_send_event(struct nci_dev *ndev, u8 gate, u8 event, |
| 291 | const u8 *param, size_t param_len); |
| 292 | int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate, |
| 293 | u8 cmd, const u8 *param, size_t param_len, |
| 294 | struct sk_buff **skb); |
| 295 | int nci_hci_open_pipe(struct nci_dev *ndev, u8 pipe); |
| 296 | int nci_hci_connect_gate(struct nci_dev *ndev, u8 dest_host, |
| 297 | u8 dest_gate, u8 pipe); |
| 298 | int nci_hci_set_param(struct nci_dev *ndev, u8 gate, u8 idx, |
| 299 | const u8 *param, size_t param_len); |
| 300 | int nci_hci_get_param(struct nci_dev *ndev, u8 gate, u8 idx, |
| 301 | struct sk_buff **skb); |
| 302 | int nci_hci_dev_session_init(struct nci_dev *ndev); |
| 303 | |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 304 | static inline struct sk_buff *nci_skb_alloc(struct nci_dev *ndev, |
Samuel Ortiz | eb9bc6e | 2012-03-05 01:03:54 +0100 | [diff] [blame] | 305 | unsigned int len, |
| 306 | gfp_t how) |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 307 | { |
| 308 | struct sk_buff *skb; |
| 309 | |
| 310 | skb = alloc_skb(len + ndev->tx_headroom + ndev->tx_tailroom, how); |
| 311 | if (skb) |
| 312 | skb_reserve(skb, ndev->tx_headroom); |
| 313 | |
| 314 | return skb; |
| 315 | } |
| 316 | |
| 317 | static inline void nci_set_parent_dev(struct nci_dev *ndev, struct device *dev) |
| 318 | { |
| 319 | nfc_set_parent_dev(ndev->nfc_dev, dev); |
| 320 | } |
| 321 | |
| 322 | static inline void nci_set_drvdata(struct nci_dev *ndev, void *data) |
| 323 | { |
| 324 | ndev->driver_data = data; |
| 325 | } |
| 326 | |
| 327 | static inline void *nci_get_drvdata(struct nci_dev *ndev) |
| 328 | { |
| 329 | return ndev->driver_data; |
| 330 | } |
| 331 | |
| 332 | void nci_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb); |
| 333 | void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb); |
Samuel Ortiz | b6355e9 | 2015-06-06 13:16:37 +0200 | [diff] [blame] | 334 | int nci_prop_rsp_packet(struct nci_dev *ndev, __u16 opcode, |
| 335 | struct sk_buff *skb); |
| 336 | int nci_prop_ntf_packet(struct nci_dev *ndev, __u16 opcode, |
| 337 | struct sk_buff *skb); |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 338 | void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb); |
| 339 | int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload); |
| 340 | int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb); |
| 341 | void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb, |
Christophe Ricard | 4aeee68 | 2015-02-01 22:26:08 +0100 | [diff] [blame] | 342 | __u8 conn_id, int err); |
Christophe Ricard | 11f54f2 | 2015-02-01 22:26:14 +0100 | [diff] [blame] | 343 | void nci_hci_data_received_cb(void *context, struct sk_buff *skb, int err); |
| 344 | |
Ilan Elias | 019c4fb | 2012-01-18 13:16:14 +0200 | [diff] [blame] | 345 | void nci_clear_target_list(struct nci_dev *ndev); |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 346 | |
| 347 | /* ----- NCI requests ----- */ |
| 348 | #define NCI_REQ_DONE 0 |
| 349 | #define NCI_REQ_PEND 1 |
| 350 | #define NCI_REQ_CANCELED 2 |
| 351 | |
| 352 | void nci_req_complete(struct nci_dev *ndev, int result); |
Christophe Ricard | 4aeee68 | 2015-02-01 22:26:08 +0100 | [diff] [blame] | 353 | struct nci_conn_info *nci_get_conn_info_by_conn_id(struct nci_dev *ndev, |
| 354 | int conn_id); |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 355 | |
| 356 | /* ----- NCI status code ----- */ |
| 357 | int nci_to_errno(__u8 code); |
| 358 | |
Frederic Danis | 8a00a61 | 2013-05-29 15:35:02 +0200 | [diff] [blame] | 359 | /* ----- NCI over SPI acknowledge modes ----- */ |
| 360 | #define NCI_SPI_CRC_DISABLED 0x00 |
| 361 | #define NCI_SPI_CRC_ENABLED 0x01 |
| 362 | |
| 363 | /* ----- NCI SPI structures ----- */ |
Eric Lapuyade | fa544ff | 2013-09-05 11:02:21 +0200 | [diff] [blame] | 364 | struct nci_spi { |
Eric Lapuyade | d593751 | 2013-09-02 12:35:39 +0200 | [diff] [blame] | 365 | struct nci_dev *ndev; |
Frederic Danis | 8a00a61 | 2013-05-29 15:35:02 +0200 | [diff] [blame] | 366 | struct spi_device *spi; |
Frederic Danis | 8a00a61 | 2013-05-29 15:35:02 +0200 | [diff] [blame] | 367 | |
| 368 | unsigned int xfer_udelay; /* microseconds delay between |
| 369 | transactions */ |
| 370 | u8 acknowledge_mode; |
| 371 | |
Frederic Danis | ee9596d | 2013-05-29 15:35:03 +0200 | [diff] [blame] | 372 | struct completion req_completion; |
| 373 | u8 req_result; |
Frederic Danis | 8a00a61 | 2013-05-29 15:35:02 +0200 | [diff] [blame] | 374 | }; |
| 375 | |
Eric Lapuyade | fa544ff | 2013-09-05 11:02:21 +0200 | [diff] [blame] | 376 | /* ----- NCI SPI ----- */ |
| 377 | struct nci_spi *nci_spi_allocate_spi(struct spi_device *spi, |
Eric Lapuyade | fa544ff | 2013-09-05 11:02:21 +0200 | [diff] [blame] | 378 | u8 acknowledge_mode, unsigned int delay, |
| 379 | struct nci_dev *ndev); |
Eric Lapuyade | 2bed278 | 2013-09-23 17:56:43 +0200 | [diff] [blame] | 380 | int nci_spi_send(struct nci_spi *nspi, |
| 381 | struct completion *write_handshake_completion, |
| 382 | struct sk_buff *skb); |
Eric Lapuyade | 22d4aae | 2013-09-23 17:56:31 +0200 | [diff] [blame] | 383 | struct sk_buff *nci_spi_read(struct nci_spi *nspi); |
Frederic Danis | 8a00a61 | 2013-05-29 15:35:02 +0200 | [diff] [blame] | 384 | |
Ilan Elias | 6a2968a | 2011-09-18 11:19:35 +0300 | [diff] [blame] | 385 | #endif /* __NCI_CORE_H */ |