1 /* 2 * 3 * Realtek Bluetooth USB driver 4 * 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 #include <net/bluetooth/hci_core.h> 22 #include <linux/list.h> 23 24 /*********************************** 25 ** Realtek - For coexistence ** 26 ***********************************/ 27 #define BTRTL_HCIUSB 0 28 #define BTRTL_HCIUART 1 29 30 #define BTRTL_HCI_IF BTRTL_HCIUSB 31 32 #define TRUE 1 33 #define FALSE 0 34 35 #define CONNECT_PORT 30001 36 #define CONNECT_PORT_WIFI 30000 37 38 #define invite_req "INVITE_REQ" 39 #define invite_rsp "INVITE_RSP" 40 #define attend_req "ATTEND_REQ" 41 #define attend_ack "ATTEND_ACK" 42 #define wifi_leave "WIFI_LEAVE" 43 #define leave_ack "LEAVE_ACK" 44 #define bt_leave "BT_LEAVE" 45 46 #define HCI_OP_PERIODIC_INQ 0x0403 47 #define HCI_EV_LE_META 0x3e 48 #define HCI_EV_LE_CONN_COMPLETE 0x01 49 #define HCI_EV_LE_CONN_UPDATE_COMPLETE 0x03 50 #define HCI_EV_LE_ENHANCED_CONN_COMPLETE 0x0a 51 52 //vendor cmd to fw 53 #define HCI_VENDOR_ENABLE_PROFILE_REPORT_COMMAND 0xfc18 54 #define HCI_VENDOR_SET_PROFILE_REPORT_COMMAND 0xfc19 55 #define HCI_VENDOR_MAILBOX_CMD 0xfc8f 56 #define HCI_VENDOR_SET_BITPOOL 0xfc51 57 58 //subcmd to fw 59 #define HCI_VENDOR_SUB_CMD_WIFI_CHANNEL_AND_BANDWIDTH_CMD 0x11 60 #define HCI_VENDOR_SUB_CMD_WIFI_FORCE_TX_POWER_CMD 0x17 61 #define HCI_VENDOR_SUB_CMD_BT_ENABLE_IGNORE_WLAN_ACT_CMD 0x1B 62 #define HCI_VENDOR_SUB_CMD_BT_REPORT_CONN_SCO_INQ_INFO 0x23 63 #define HCI_VENDOR_SUB_CMD_BT_AUTO_REPORT_STATUS_INFO 0x27 64 #define HCI_VENDOR_SUB_CMD_BT_AUTO_REPORT_ENABLE 0x28 65 #define HCI_VENDOR_SUB_CMD_BT_SET_TXRETRY_REPORT_PARAM 0x29 66 #define HCI_VENDOR_SUB_CMD_BT_SET_PTATABLE 0x2A 67 #define HCI_VENDOR_SUB_CMD_SET_BT_PSD_MODE 0x31 68 #define HCI_VENDOR_SUB_CMD_SET_BT_LNA_CONSTRAINT 0x32 69 #define HCI_VENDOR_SUB_CMD_GET_AFH_MAP_L 0x40 70 #define HCI_VENDOR_SUB_CMD_GET_AFH_MAP_M 0x41 71 #define HCI_VENDOR_SUB_CMD_GET_AFH_MAP_H 0x42 72 #define HCI_VENDOR_SUB_CMD_RD_REG_REQ 0x43 73 #define HCI_VENDOR_SUB_CMD_WR_REG_REQ 0x44 74 75 #define HCI_EV_VENDOR_SPECIFIC 0xff 76 77 //sub event from fw start 78 #define HCI_VENDOR_PTA_REPORT_EVENT 0x24 79 #define HCI_VENDOR_PTA_AUTO_REPORT_EVENT 0x25 80 81 //vendor cmd to wifi driver 82 #define HCI_GRP_VENDOR_SPECIFIC (0x3f << 10) 83 #define HCI_OP_HCI_EXTENSION_VERSION_NOTIFY (0x0100 | HCI_GRP_VENDOR_SPECIFIC) 84 #define HCI_OP_BT_OPERATION_NOTIFY (0x0102 | HCI_GRP_VENDOR_SPECIFIC) 85 #define HCI_OP_HCI_BT_INFO_NOTIFY (0x0106 | HCI_GRP_VENDOR_SPECIFIC) 86 #define HCI_OP_HCI_BT_COEX_NOTIFY (0x0107 | HCI_GRP_VENDOR_SPECIFIC) 87 #define HCI_OP_HCI_BT_PATCH_VER_NOTIFY (0x0108 | HCI_GRP_VENDOR_SPECIFIC) 88 #define HCI_OP_HCI_BT_AFH_MAP_NOTIFY (0x0109 | HCI_GRP_VENDOR_SPECIFIC) 89 #define HCI_OP_HCI_BT_REGISTER_VALUE_NOTIFY (0x010a | HCI_GRP_VENDOR_SPECIFIC) 90 91 //bt info reason to wifi 92 #define HOST_RESPONSE 0 //Host response when receive the BT Info Control Event 93 #define POLLING_RESPONSE 1 //The BT Info response for polling by BT firmware. 94 #define AUTO_REPORT 2 //BT auto report by BT firmware. 95 #define STACK_REPORT_WHILE_DEVICE_D2 3 //Stack report when BT firmware is under power save state(ex:D2) 96 97 // vendor event from wifi 98 #define RTK_HS_EXTENSION_EVENT_WIFI_SCAN 0x01 99 #define RTK_HS_EXTENSION_EVENT_RADIO_STATUS_NOTIFY 0x02 100 #define RTK_HS_EXTENSION_EVENT_HCI_BT_INFO_CONTROL 0x03 101 #define RTK_HS_EXTENSION_EVENT_HCI_BT_COEX_CONTROL 0x04 102 103 //op code from wifi 104 #define BT_PATCH_VERSION_QUERY 0x00 105 #define IGNORE_WLAN_ACTIVE_CONTROL 0x01 106 #define LNA_CONSTRAIN_CONTROL 0x02 107 #define BT_POWER_DECREASE_CONTROL 0x03 108 #define BT_PSD_MODE_CONTROL 0x04 109 #define WIFI_BW_CHNL_NOTIFY 0x05 110 #define QUERY_BT_AFH_MAP 0x06 111 #define BT_REGISTER_ACCESS 0x07 112 113 //bt operation to notify 114 #define BT_OPCODE_NONE 0 115 #define BT_OPCODE_INQUIRY_START 1 116 #define BT_OPCODE_INQUIRY_END 2 117 #define BT_OPCODE_PAGE_START 3 118 #define BT_OPCODE_PAGE_SUCCESS_END 4 119 #define BT_OPCODE_PAGE_UNSUCCESS_END 5 120 #define BT_OPCODE_PAIR_START 6 121 #define BT_OPCODE_PAIR_END 7 122 #define BT_OPCODE_ENABLE_BT 8 123 #define BT_OPCODE_DISABLE_BT 9 124 125 #define HCI_EXTENSION_VERSION 0x0004 126 #define HCI_CMD_PREAMBLE_SIZE 3 127 #define PAN_PACKET_COUNT 5 128 129 #define STREAM_TO_UINT16(u16, p) {u16 = ((uint16_t)(*(p)) + (((uint16_t)(*((p) + 1))) << 8)); (p) += 2;} 130 #define UINT16_TO_STREAM(p, u16) {*(p)++ = (uint8_t)(u16); *(p)++ = (uint8_t)((u16) >> 8);} 131 132 #define PSM_SDP 0x0001 133 #define PSM_RFCOMM 0x0003 134 #define PSM_PAN 0x000F 135 #define PSM_HID 0x0011 136 #define PSM_HID_INT 0x0013 137 #define PSM_AVCTP 0x0017 138 #define PSM_AVDTP 0x0019 139 #define PSM_FTP 0x1001 140 #define PSM_BIP 0x1003 141 #define PSM_OPP 0x1015 142 //--add more if needed--// 143 144 enum { 145 profile_sco = 0, 146 profile_hid = 1, 147 profile_a2dp = 2, 148 profile_pan = 3, 149 profile_hid_interval = 4, 150 profile_hogp = 5, 151 profile_voice = 6, 152 profile_sink = 7, 153 profile_max = 8 154 }; 155 156 #define A2DP_SIGNAL 0x01 157 #define A2DP_MEDIA 0x02 158 //profile info data 159 typedef struct { 160 struct list_head list; 161 uint16_t handle; 162 uint16_t psm; 163 uint16_t dcid; 164 uint16_t scid; 165 uint8_t profile_index; 166 uint8_t flags; 167 } rtk_prof_info, *prtk_prof_info; 168 169 //profile info for each connection 170 typedef struct rtl_hci_conn { 171 struct list_head list; 172 uint16_t handle; 173 uint8_t type; // 0:l2cap, 1:sco/esco, 2:le 174 uint8_t profile_bitmap; 175 int8_t profile_refcount[8]; 176 } rtk_conn_prof, *prtk_conn_prof; 177 178 #ifdef RTB_SOFTWARE_MAILBOX 179 180 struct rtl_btinfo { 181 u8 cmd; 182 u8 len; 183 u8 data[6]; 184 }; 185 #define RTL_BTINFO_LEN (sizeof(struct rtl_btinfo)) 186 /* typedef struct { 187 * uint8_t cmd_index; 188 * uint8_t cmd_length; 189 * uint8_t link_status; 190 * uint8_t retry_cnt; 191 * uint8_t rssi; 192 * uint8_t mailbox_info; 193 * uint16_t acl_throughput; 194 * } hci_linkstatus_report; */ 195 196 typedef struct { 197 uint8_t type; 198 uint32_t offset; 199 uint32_t value; 200 } hci_mailbox_register; 201 202 struct rtl_btinfo_ctl { 203 uint8_t polling_enable; 204 uint8_t polling_time; 205 uint8_t autoreport_enable; 206 }; 207 #endif /* RTB_SOFTWARE_MAILBOX */ 208 209 #define MAX_LEN_OF_HCI_EV 32 210 #define NUM_RTL_HCI_EV 32 211 struct rtl_hci_ev { 212 __u8 data[MAX_LEN_OF_HCI_EV]; 213 __u16 len; 214 struct list_head list; 215 }; 216 217 #define L2_MAX_SUBSEC_LEN 128 218 #define L2_MAX_PKTS 16 219 struct rtl_l2_buff { 220 __u8 data[L2_MAX_SUBSEC_LEN]; 221 __u16 len; 222 __u16 out; 223 struct list_head list; 224 }; 225 226 struct rtl_coex_struct { 227 struct list_head conn_hash; //hash for connections 228 struct list_head profile_list; //hash for profile info 229 struct hci_dev *hdev; 230 #ifdef RTB_SOFTWARE_MAILBOX 231 struct socket *udpsock; 232 struct sockaddr_in addr; 233 struct sockaddr_in wifi_addr; 234 struct timer_list polling_timer; 235 #endif 236 struct timer_list a2dp_count_timer; 237 struct timer_list pan_count_timer; 238 struct timer_list hogp_count_timer; 239 #ifdef RTB_SOFTWARE_MAILBOX 240 struct workqueue_struct *sock_wq; 241 struct delayed_work sock_work; 242 #endif 243 struct workqueue_struct *fw_wq; 244 struct delayed_work fw_work; 245 struct delayed_work l2_work; 246 #ifdef RTB_SOFTWARE_MAILBOX 247 struct sock *sk; 248 #endif 249 struct urb *urb; 250 spinlock_t spin_lock_sock; 251 spinlock_t spin_lock_profile; 252 uint32_t a2dp_packet_count; 253 uint32_t pan_packet_count; 254 uint32_t hogp_packet_count; 255 uint32_t voice_packet_count; 256 uint8_t profile_bitmap; 257 uint8_t profile_status; 258 int8_t profile_refcount[8]; 259 uint8_t ispairing; 260 uint8_t isinquirying; 261 uint8_t ispaging; 262 #ifdef RTB_SOFTWARE_MAILBOX 263 uint8_t wifi_state; 264 uint8_t autoreport; 265 uint8_t polling_enable; 266 uint8_t polling_interval; 267 uint8_t piconet_id; 268 uint8_t mode; 269 uint8_t afh_map[10]; 270 #endif 271 uint16_t hci_reversion; 272 uint16_t lmp_subversion; 273 #ifdef RTB_SOFTWARE_MAILBOX 274 uint8_t wifi_on; 275 uint8_t sock_open; 276 #endif 277 unsigned long cmd_last_tx; 278 279 /* hci ev buff */ 280 struct list_head ev_used_list; 281 struct list_head ev_free_list; 282 283 spinlock_t rxlock; 284 __u8 pkt_type; 285 __u16 expect; 286 __u8 *tbuff; 287 __u16 elen; 288 __u8 back_buff[HCI_MAX_EVENT_SIZE]; 289 290 /* l2cap rx buff */ 291 struct list_head l2_used_list; 292 struct list_head l2_free_list; 293 294 /* buff addr and size */ 295 spinlock_t buff_lock; 296 unsigned long pages_addr; 297 unsigned long buff_size; 298 299 #define RTL_COEX_RUNNING (1 << 0) 300 unsigned long flags; 301 302 }; 303 304 #ifdef __LITTLE_ENDIAN 305 struct sbc_frame_hdr { 306 uint8_t syncword:8; /* Sync word */ 307 uint8_t subbands:1; /* Subbands */ 308 uint8_t allocation_method:1; /* Allocation method */ 309 uint8_t channel_mode:2; /* Channel mode */ 310 uint8_t blocks:2; /* Blocks */ 311 uint8_t sampling_frequency:2; /* Sampling frequency */ 312 uint8_t bitpool:8; /* Bitpool */ 313 uint8_t crc_check:8; /* CRC check */ 314 } __attribute__ ((packed)); 315 316 /* NOTE: The code is copied from pa. 317 * only the bit field in 8-bit is affected by endian, not the 16-bit or 32-bit. 318 * why? 319 */ 320 struct rtp_header { 321 unsigned cc:4; 322 unsigned x:1; 323 unsigned p:1; 324 unsigned v:2; 325 326 unsigned pt:7; 327 unsigned m:1; 328 329 uint16_t sequence_number; 330 uint32_t timestamp; 331 uint32_t ssrc; 332 uint32_t csrc[0]; 333 } __attribute__ ((packed)); 334 335 #else 336 /* big endian */ 337 struct sbc_frame_hdr { 338 uint8_t syncword:8; /* Sync word */ 339 uint8_t sampling_frequency:2; /* Sampling frequency */ 340 uint8_t blocks:2; /* Blocks */ 341 uint8_t channel_mode:2; /* Channel mode */ 342 uint8_t allocation_method:1; /* Allocation method */ 343 uint8_t subbands:1; /* Subbands */ 344 uint8_t bitpool:8; /* Bitpool */ 345 uint8_t crc_check:8; /* CRC check */ 346 } __attribute__ ((packed)); 347 348 struct rtp_header { 349 unsigned v:2; 350 unsigned p:1; 351 unsigned x:1; 352 unsigned cc:4; 353 354 unsigned m:1; 355 unsigned pt:7; 356 357 uint16_t sequence_number; 358 uint32_t timestamp; 359 uint32_t ssrc; 360 uint32_t csrc[0]; 361 } __attribute__ ((packed)); 362 #endif /* __LITTLE_ENDIAN */ 363 364 void rtk_btcoex_parse_event(uint8_t *buffer, int count); 365 void rtk_btcoex_parse_cmd(uint8_t *buffer, int count); 366 void rtk_btcoex_parse_l2cap_data_tx(uint8_t *buffer, int count); 367 void rtk_btcoex_parse_l2cap_data_rx(uint8_t *buffer, int count); 368 369 void rtk_btcoex_open(struct hci_dev *hdev); 370 void rtk_btcoex_close(void); 371 void rtk_btcoex_probe(struct hci_dev *hdev); 372 void rtk_btcoex_init(void); 373 void rtk_btcoex_exit(void); 374