167 lines
4.0 KiB
C
167 lines
4.0 KiB
C
/*
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* Copyright 2007 Oliver Ruiz Dorantes, oliver.ruiz.dorantes_at_gmail.com
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* All rights reserved. Distributed under the terms of the MIT License.
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*/
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#ifndef _BTHCI_TRANSPORT_H_
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#define _BTHCI_TRANSPORT_H_
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#include <bluetooth/HCI/btHCI.h>
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#include <util/DoublyLinkedList.h>
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#include <net_buffer.h>
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#include <Drivers.h>
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typedef enum {
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ANCILLYANT = (1<<0),
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RUNNING = (1<<1),
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LEAVING = (1<<2),
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SENDING = (1<<3),
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PROCESSING = (1<<4)
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} bt_transport_status_t;
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typedef uint8 bt_stat_t;
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typedef struct bt_hci_statistics {
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bt_stat_t acceptedTX;
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bt_stat_t rejectedTX;
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bt_stat_t successfulTX;
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bt_stat_t errorTX;
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bt_stat_t acceptedRX;
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bt_stat_t rejectedRX;
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bt_stat_t successfulRX;
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bt_stat_t errorRX;
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bt_stat_t commandTX;
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bt_stat_t eventRX;
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bt_stat_t aclTX;
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bt_stat_t aclRX;
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bt_stat_t scoTX;
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bt_stat_t scoRX;
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bt_stat_t escoTX;
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bt_stat_t escoRX;
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bt_stat_t bytesRX;
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bt_stat_t bytesTX;
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} bt_hci_statistics;
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typedef struct bt_hci_device {
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transport_type kind;
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char realName[B_OS_NAME_LENGTH];
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} bt_hci_device;
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/* Hooks which drivers will have to provide.
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* The structure is meant to be allocated in driver side and
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* provided to the HCI where it will fill the remaining fields
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*/
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typedef struct bt_hci_transport_hooks {
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// to be filled by driver
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status_t (*SendCommand)(hci_id hciId, void* command);
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status_t (*SendACL)(hci_id hciId, net_buffer* nbuf);
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status_t (*SendSCO)(hci_id hciId, net_buffer* nbuf);
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status_t (*SendESCO)(hci_id hciId, net_buffer* nbuf);
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status_t (*DeliverStatistics)(hci_id hciId, bt_hci_statistics* statistics);
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transport_type kind;
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} bt_hci_transport_hooks;
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typedef struct bt_hci_device_information {
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uint32 flags;
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uint16 vendorId;
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uint16 deviceId;
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char name[B_OS_NAME_LENGTH];
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} bt_hci_device_information;
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#ifdef __cplusplus
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struct bluetooth_device : DoublyLinkedListLinkImpl<bluetooth_device> {
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net_buffer* fBuffersRx[HCI_NUM_PACKET_TYPES];
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size_t fExpectedPacketSize[HCI_NUM_PACKET_TYPES];
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hci_id index;
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uint16 supportedPacketTypes;
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uint16 linkMode;
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int fd;
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bt_hci_device_information* info;
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bt_hci_transport_hooks* hooks;
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uint16 mtu;
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};
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#else
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struct bluetooth_device;
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#endif
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#define BT_HCI_MODULE_NAME "bluetooth/hci/v1"
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// Possible definition of a bus manager
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typedef struct bt_hci_module_info {
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module_info info;
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// Registration in Stack
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status_t (*RegisterDriver)(bt_hci_transport_hooks* hooks,
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bluetooth_device** device);
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status_t (*UnregisterDriver)(hci_id id);
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bluetooth_device* (*FindDeviceByID)(hci_id id);
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// to be called from transport driver
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status_t (*PostTransportPacket)(hci_id hid, bt_packet_t type,
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void* data, size_t count);
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// To be called from upper layers
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status_t (*PostACL)(hci_id hciId, net_buffer* buffer);
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status_t (*PostSCO)(hci_id hciId, net_buffer* buffer);
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status_t (*PostESCO)(hci_id hciId, net_buffer* buffer);
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} bt_hci_module_info ;
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/* Here the transport driver have some flags that
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* can be used to inform the upper layer about some
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* special behaouvior to perform */
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#define BT_IGNORE_THIS_DEVICE (1 << 0)
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#define BT_SCO_NOT_WORKING (1 << 1)
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#define BT_WILL_NEED_A_RESET (1 << 2)
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#define BT_DIGIANSWER (1 << 4)
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// Mandatory IOCTLS
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#define BT_IOCTLS_OFFSET 3000
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enum {
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ISSUE_BT_COMMAND = B_DEVICE_OP_CODES_END + BT_IOCTLS_OFFSET, // 12999
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GET_STATS,
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GET_NOTIFICATION_PORT,
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GET_HCI_ID,
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BT_UP
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};
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// To deprecate ...
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#define PACK_PORTCODE(type,hid,data) ((type & 0xFF) << 24 | (hid & 0xFF) << 16 | (data & 0xFFFF))
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#define GET_PORTCODE_TYPE(code) ((code & 0xFF000000) >> 24)
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#define GET_PORTCODE_HID(code) ((code & 0x00FF0000) >> 16)
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#define GET_PORTCODE_DATA(code) ((code & 0x0000FFFF))
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/* Port drivers can use to send information (1 for all for
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at moment refer to ioctl GET_NOTIFICATION_PORT)*/
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#define BT_USERLAND_PORT_NAME "BT Kernel-User Event"
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#define BT_RX_PORT_NAME "BT Kernel RX assembly"
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#define BLUETOOTH_CONNECTION_PORT "bluetooth connection port"
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#define BLUETOOTH_CONNECTION_SCHED_PORT "bluetooth con sched port"
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#endif // _BTHCI_TRANSPORT_H_
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