1 /* 2 * Copyright 2007 Oliver Ruiz Dorantes, oliver.ruiz.dorantes_at_gmail.com 3 * All rights reserved. Distributed under the terms of the MIT License. 4 */ 5 #ifndef _BTHCI_TRANSPORT_H_ 6 #define _BTHCI_TRANSPORT_H_ 7 8 #include <bluetooth/HCI/btHCI.h> 9 10 #include <util/DoublyLinkedList.h> 11 12 #include <net_buffer.h> 13 #include <Drivers.h> 14 15 16 typedef enum { 17 ANCILLYANT = (1<<0), 18 RUNNING = (1<<1), 19 LEAVING = (1<<2), 20 SENDING = (1<<3), 21 PROCESSING = (1<<4) 22 } bt_transport_status_t; 23 24 25 typedef uint8 bt_stat_t; 26 typedef struct bt_hci_statistics { 27 bt_stat_t acceptedTX; 28 bt_stat_t rejectedTX; 29 bt_stat_t successfulTX; 30 bt_stat_t errorTX; 31 32 bt_stat_t acceptedRX; 33 bt_stat_t rejectedRX; 34 bt_stat_t successfulRX; 35 bt_stat_t errorRX; 36 37 bt_stat_t commandTX; 38 bt_stat_t eventRX; 39 bt_stat_t aclTX; 40 bt_stat_t aclRX; 41 bt_stat_t scoTX; 42 bt_stat_t scoRX; 43 bt_stat_t escoTX; 44 bt_stat_t escoRX; 45 46 bt_stat_t bytesRX; 47 bt_stat_t bytesTX; 48 } bt_hci_statistics; 49 50 51 typedef struct bt_hci_device { 52 transport_type kind; 53 char realName[B_OS_NAME_LENGTH]; 54 } bt_hci_device; 55 56 57 /* Hooks which drivers will have to provide. 58 * The structure is meant to be allocated in driver side and 59 * provided to the HCI where it will fill the remaining fields 60 */ 61 typedef struct bt_hci_transport_hooks { 62 63 // to be filled by driver 64 status_t (*SendCommand)(hci_id hciId, void* command); 65 status_t (*SendACL)(hci_id hciId, net_buffer* nbuf); 66 status_t (*SendSCO)(hci_id hciId, net_buffer* nbuf); 67 status_t (*SendESCO)(hci_id hciId, net_buffer* nbuf); 68 69 status_t (*DeliverStatistics)(hci_id hciId, bt_hci_statistics* statistics); 70 71 transport_type kind; 72 73 } bt_hci_transport_hooks; 74 75 typedef struct bt_hci_device_information { 76 77 uint32 flags; 78 uint16 vendorId; 79 uint16 deviceId; 80 char name[B_OS_NAME_LENGTH]; 81 82 } bt_hci_device_information; 83 84 85 #ifdef __cplusplus 86 87 struct bluetooth_device : DoublyLinkedListLinkImpl<bluetooth_device> { 88 89 net_buffer* fBuffersRx[HCI_NUM_PACKET_TYPES]; 90 size_t fExpectedPacketSize[HCI_NUM_PACKET_TYPES]; 91 hci_id index; 92 93 uint16 supportedPacketTypes; 94 uint16 linkMode; 95 int fd; 96 97 bt_hci_device_information* info; 98 bt_hci_transport_hooks* hooks; 99 uint16 mtu; 100 101 }; 102 103 #else 104 105 struct bluetooth_device; 106 107 #endif 108 109 110 #define BT_HCI_MODULE_NAME "bluetooth/hci/v1" 111 112 // Possible definition of a bus manager 113 typedef struct bt_hci_module_info { 114 module_info info; 115 // Registration in Stack 116 status_t (*RegisterDriver)(bt_hci_transport_hooks* hooks, 117 bluetooth_device** device); 118 status_t (*UnregisterDriver)(hci_id id); 119 bluetooth_device* (*FindDeviceByID)(hci_id id); 120 121 // to be called from transport driver 122 status_t (*PostTransportPacket)(hci_id hid, bt_packet_t type, 123 void* data, size_t count); 124 125 // To be called from upper layers 126 status_t (*PostACL)(hci_id hciId, net_buffer* buffer); 127 status_t (*PostSCO)(hci_id hciId, net_buffer* buffer); 128 status_t (*PostESCO)(hci_id hciId, net_buffer* buffer); 129 130 } bt_hci_module_info ; 131 132 133 /* Here the transport driver have some flags that 134 * can be used to inform the upper layer about some 135 * special behaouvior to perform */ 136 137 #define BT_IGNORE_THIS_DEVICE (1 << 0) 138 #define BT_SCO_NOT_WORKING (1 << 1) 139 #define BT_WILL_NEED_A_RESET (1 << 2) 140 #define BT_DIGIANSWER (1 << 4) 141 142 // Mandatory IOCTLS 143 #define BT_IOCTLS_OFFSET 3000 144 145 enum { 146 ISSUE_BT_COMMAND = B_DEVICE_OP_CODES_END + BT_IOCTLS_OFFSET, // 12999 147 GET_STATS, 148 GET_NOTIFICATION_PORT, 149 GET_HCI_ID, 150 BT_UP 151 }; 152 153 // To deprecate ... 154 #define PACK_PORTCODE(type,hid,data) ((type & 0xFF) << 24 | (hid & 0xFF) << 16 | (data & 0xFFFF)) 155 #define GET_PORTCODE_TYPE(code) ((code & 0xFF000000) >> 24) 156 #define GET_PORTCODE_HID(code) ((code & 0x00FF0000) >> 16) 157 #define GET_PORTCODE_DATA(code) ((code & 0x0000FFFF)) 158 159 /* Port drivers can use to send information (1 for all for 160 at moment refer to ioctl GET_NOTIFICATION_PORT)*/ 161 #define BT_USERLAND_PORT_NAME "BT Kernel-User Event" 162 #define BT_RX_PORT_NAME "BT Kernel RX assembly" 163 #define BLUETOOTH_CONNECTION_PORT "bluetooth connection port" 164 165 #endif // _BTHCI_TRANSPORT_H_ 166