1/*
2 * USB IrDA Bridge Device Definition
3 */
4
5#ifndef __LINUX_USB_IRDA_H
6#define __LINUX_USB_IRDA_H
7
8/* This device should use Application-specific class */
9
10#define USB_SUBCLASS_IRDA			0x02
11
12/*-------------------------------------------------------------------------*/
13
14/* Class-Specific requests (bRequest field) */
15
16#define USB_REQ_CS_IRDA_RECEIVING		1
17#define USB_REQ_CS_IRDA_CHECK_MEDIA_BUSY	3
18#define USB_REQ_CS_IRDA_RATE_SNIFF		4
19#define USB_REQ_CS_IRDA_UNICAST_LIST		5
20#define USB_REQ_CS_IRDA_GET_CLASS_DESC		6
21
22/*-------------------------------------------------------------------------*/
23
24/* Class-Specific descriptor */
25
26#define USB_DT_CS_IRDA				0x21
27
28/*-------------------------------------------------------------------------*/
29
30/* Data sizes */
31
32#define USB_IRDA_DS_2048			(1 << 5)
33#define USB_IRDA_DS_1024			(1 << 4)
34#define USB_IRDA_DS_512				(1 << 3)
35#define USB_IRDA_DS_256				(1 << 2)
36#define USB_IRDA_DS_128				(1 << 1)
37#define USB_IRDA_DS_64				(1 << 0)
38
39/* Window sizes */
40
41#define USB_IRDA_WS_7				(1 << 6)
42#define USB_IRDA_WS_6				(1 << 5)
43#define USB_IRDA_WS_5				(1 << 4)
44#define USB_IRDA_WS_4				(1 << 3)
45#define USB_IRDA_WS_3				(1 << 2)
46#define USB_IRDA_WS_2				(1 << 1)
47#define USB_IRDA_WS_1				(1 << 0)
48
49/* Min turnaround times in usecs */
50
51#define USB_IRDA_MTT_0				(1 << 7)
52#define USB_IRDA_MTT_10				(1 << 6)
53#define USB_IRDA_MTT_50				(1 << 5)
54#define USB_IRDA_MTT_100			(1 << 4)
55#define USB_IRDA_MTT_500			(1 << 3)
56#define USB_IRDA_MTT_1000			(1 << 2)
57#define USB_IRDA_MTT_5000			(1 << 1)
58#define USB_IRDA_MTT_10000			(1 << 0)
59
60/* Baud rates */
61
62#define USB_IRDA_BR_4000000			(1 << 8)
63#define USB_IRDA_BR_1152000			(1 << 7)
64#define USB_IRDA_BR_576000			(1 << 6)
65#define USB_IRDA_BR_115200			(1 << 5)
66#define USB_IRDA_BR_57600			(1 << 4)
67#define USB_IRDA_BR_38400			(1 << 3)
68#define USB_IRDA_BR_19200			(1 << 2)
69#define USB_IRDA_BR_9600			(1 << 1)
70#define USB_IRDA_BR_2400			(1 << 0)
71
72/* Additional BOFs */
73
74#define USB_IRDA_AB_0				(1 << 7)
75#define USB_IRDA_AB_1				(1 << 6)
76#define USB_IRDA_AB_2				(1 << 5)
77#define USB_IRDA_AB_3				(1 << 4)
78#define USB_IRDA_AB_6				(1 << 3)
79#define USB_IRDA_AB_12				(1 << 2)
80#define USB_IRDA_AB_24				(1 << 1)
81#define USB_IRDA_AB_48				(1 << 0)
82
83/* IRDA Rate Sniff */
84
85#define USB_IRDA_RATE_SNIFF			1
86
87/*-------------------------------------------------------------------------*/
88
89struct usb_irda_cs_descriptor {
90	__u8	bLength;
91	__u8	bDescriptorType;
92
93	__le16	bcdSpecRevision;
94	__u8	bmDataSize;
95	__u8	bmWindowSize;
96	__u8	bmMinTurnaroundTime;
97	__le16	wBaudRate;
98	__u8	bmAdditionalBOFs;
99	__u8	bIrdaRateSniff;
100	__u8	bMaxUnicastList;
101} __attribute__ ((packed));
102
103/*-------------------------------------------------------------------------*/
104
105/* Data Format */
106
107#define USB_IRDA_STATUS_MEDIA_BUSY	(1 << 7)
108
109/* The following is a 4-bit value used for both
110 * inbound and outbound headers:
111 *
112 * 0 - speed ignored
113 * 1 - 2400 bps
114 * 2 - 9600 bps
115 * 3 - 19200 bps
116 * 4 - 38400 bps
117 * 5 - 57600 bps
118 * 6 - 115200 bps
119 * 7 - 576000 bps
120 * 8 - 1.152 Mbps
121 * 9 - 5 mbps
122 * 10..15 - Reserved
123 */
124#define USB_IRDA_STATUS_LINK_SPEED	0x0f
125
126/* The following is a 4-bit value used only for
127 * outbound header:
128 *
129 * 0 - No change (BOF ignored)
130 * 1 - 48 BOFs
131 * 2 - 24 BOFs
132 * 3 - 12 BOFs
133 * 4 - 6 BOFs
134 * 5 - 3 BOFs
135 * 6 - 2 BOFs
136 * 7 - 1 BOFs
137 * 8 - 0 BOFs
138 * 9..15 - Reserved
139 */
140#define USB_IRDA_EXTRA_BOFS		0xf0
141
142struct usb_irda_inbound_header {
143	__u8		bmStatus;
144};
145
146struct usb_irda_outbound_header {
147	__u8		bmChange;
148};
149
150#endif /* __LINUX_USB_IRDA_H */
151
152