xref: /haiku/src/add-ons/kernel/drivers/bluetooth/h2/h2generic/h2generic.h (revision c0cd8cf1999b2266ed949f079916c1d35cd387fa)
1 /*
2  * Copyright 2007 Oliver Ruiz Dorantes, oliver.ruiz.dorantes_at_gmail.com
3  *
4  * All rights reserved. Distributed under the terms of the MIT License.
5  *
6  */
7 
8 #ifndef _H2GENERIC_H_
9 #define _H2GENERIC_H_
10 
11 #include <net_buffer.h>
12 #include <net_device.h>
13 
14 #include <OS.h>
15 #ifdef HAIKU_TARGET_PLATFORM_HAIKU
16 #include <USB3.h>
17 #else
18 #include <USB_spec.h>
19 #include <USB.h>
20 #endif
21 
22 #include <util/list.h>
23 #include <bluetooth/HCI/btHCI.h>
24 #include <bluetooth/HCI/btHCI_transport.h>
25 
26 #include <btCoreData.h>
27 
28 #include "snet_buffer.h"
29 
30 // USB definitions for the generic device move to h2cfg
31 #define UDCLASS_WIRELESS	0xe0
32 #define UDSUBCLASS_RF		0x01
33 #define UDPROTO_BLUETOOTH	0x01
34 
35 #define BLUETOOTH_DEVICE_TRANSPORT	"h2"
36 #define BLUETOOTH_DEVICE_NAME "generic"
37 #include "h2cfg.h"
38 
39 #define USB_TYPE_CLASS			(0x01 << 5)  /// Check if it is in some other header
40 #define USB_TYPE_VENDOR			(0x02 << 5)
41 
42 
43 // Expecting nobody is gonna have 16 USB-BT dongles connected in their system
44 #define MAX_BT_GENERIC_USB_DEVICES	16
45 
46 extern usb_module_info* usb;
47 extern bt_hci_module_info* hci;
48 extern struct bt_hci_module_info* btDevices;
49 extern struct net_buffer_module_info* nb;
50 extern struct bluetooth_core_data_module_info* btCoreData;
51 
52 #define MAX_COMMAND_WINDOW 1
53 #define MAX_ACL_OUT_WINDOW 4
54 #define MAX_ACL_IN_WINDOW  1
55 
56 #define MAX_NUM_QUEUED_PACKETS 1
57 #define NUM_BUFFERS 1
58 
59 typedef struct bt_usb_dev bt_usb_dev;
60 
61 struct bt_usb_dev {
62 #ifdef HAIKU_TARGET_PLATFORM_HAIKU
63 	usb_device		dev;          /* opaque handle */
64 #else
65 	usb_device*		dev;          /* opaque handle */
66 #endif
67 	hci_id					hdev; /* HCI device id*/
68 	bluetooth_device*		ndev;
69 
70 	char			name[B_OS_NAME_LENGTH];
71 	bool			connected;    /* is the device plugged into the USB? */
72 	int32			open_count;   /* number of clients of the device */
73 	int32			num;          /* instance number of the device */
74 
75 	sem_id			lock;         /* synchronize access to the device */
76 	sem_id			cmd_complete; /* To synchronize completitions */
77 
78 	size_t			actual_len;   /* length of data returned by command */
79 	status_t		cmd_status;   /* result of command */
80 
81 	uint8				ctrl_req;
82 	uint8				driver_info;
83 	uint32				state;
84 
85 	bt_hci_statistics	stat;
86 
87 	const	usb_endpoint_info*	bulk_in_ep;
88 			uint16				max_packet_size_bulk_in;
89 	const	usb_endpoint_info*	bulk_out_ep;
90 			uint16				max_packet_size_bulk_out;
91 	const	usb_endpoint_info*	intr_in_ep;
92 			uint16				max_packet_size_intr_in;
93 
94 #ifdef BLUETOOTH_SUPPORTS_SCO
95 	const usb_endpoint_info	*iso_in_ep;
96 	const usb_endpoint_info	*iso_out_ep;
97 #endif
98 
99 	/* This so called rooms, are for dumping the USB RX frames
100 	 * and try to reuse the allocations. see util submodule
101 	 */
102 	struct list eventRoom;
103 	struct list aclRoom;
104 
105 	// Tx buffers: net_buffers for BT_ACL and snet_buffers for BT_COMMAND
106 	// in the same array
107 	struct list	nbuffersTx[BT_DRIVER_TXCOVERAGE];
108 	uint32		nbuffersPendingTx[BT_DRIVER_TXCOVERAGE];
109 
110 	// Rx buffer
111 	net_buffer*		nbufferRx[BT_DRIVER_RXCOVERAGE];
112 	snet_buffer*	eventRx;
113 
114 	// for who ever needs preallocated buffers
115 	struct list		snetBufferRecycleTrash;
116 
117 };
118 
119 bt_usb_dev* fetch_device(bt_usb_dev* dev, hci_id hid);
120 
121 #endif
122