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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
e0d795e4 FB |
2 | /* |
3 | * USB IrDA Bridge Device Definition | |
4 | */ | |
5 | ||
6 | #ifndef __LINUX_USB_IRDA_H | |
7 | #define __LINUX_USB_IRDA_H | |
8 | ||
9 | /* This device should use Application-specific class */ | |
10 | ||
11 | #define USB_SUBCLASS_IRDA 0x02 | |
12 | ||
13 | /*-------------------------------------------------------------------------*/ | |
14 | ||
15 | /* Class-Specific requests (bRequest field) */ | |
16 | ||
17 | #define USB_REQ_CS_IRDA_RECEIVING 1 | |
18 | #define USB_REQ_CS_IRDA_CHECK_MEDIA_BUSY 3 | |
19 | #define USB_REQ_CS_IRDA_RATE_SNIFF 4 | |
20 | #define USB_REQ_CS_IRDA_UNICAST_LIST 5 | |
21 | #define USB_REQ_CS_IRDA_GET_CLASS_DESC 6 | |
22 | ||
23 | /*-------------------------------------------------------------------------*/ | |
24 | ||
25 | /* Class-Specific descriptor */ | |
26 | ||
27 | #define USB_DT_CS_IRDA 0x21 | |
28 | ||
29 | /*-------------------------------------------------------------------------*/ | |
30 | ||
31 | /* Data sizes */ | |
32 | ||
33 | #define USB_IRDA_DS_2048 (1 << 5) | |
34 | #define USB_IRDA_DS_1024 (1 << 4) | |
35 | #define USB_IRDA_DS_512 (1 << 3) | |
36 | #define USB_IRDA_DS_256 (1 << 2) | |
37 | #define USB_IRDA_DS_128 (1 << 1) | |
38 | #define USB_IRDA_DS_64 (1 << 0) | |
39 | ||
40 | /* Window sizes */ | |
41 | ||
42 | #define USB_IRDA_WS_7 (1 << 6) | |
43 | #define USB_IRDA_WS_6 (1 << 5) | |
44 | #define USB_IRDA_WS_5 (1 << 4) | |
45 | #define USB_IRDA_WS_4 (1 << 3) | |
46 | #define USB_IRDA_WS_3 (1 << 2) | |
47 | #define USB_IRDA_WS_2 (1 << 1) | |
48 | #define USB_IRDA_WS_1 (1 << 0) | |
49 | ||
50 | /* Min turnaround times in usecs */ | |
51 | ||
52 | #define USB_IRDA_MTT_0 (1 << 7) | |
53 | #define USB_IRDA_MTT_10 (1 << 6) | |
54 | #define USB_IRDA_MTT_50 (1 << 5) | |
55 | #define USB_IRDA_MTT_100 (1 << 4) | |
56 | #define USB_IRDA_MTT_500 (1 << 3) | |
57 | #define USB_IRDA_MTT_1000 (1 << 2) | |
58 | #define USB_IRDA_MTT_5000 (1 << 1) | |
59 | #define USB_IRDA_MTT_10000 (1 << 0) | |
60 | ||
61 | /* Baud rates */ | |
62 | ||
63 | #define USB_IRDA_BR_4000000 (1 << 8) | |
64 | #define USB_IRDA_BR_1152000 (1 << 7) | |
65 | #define USB_IRDA_BR_576000 (1 << 6) | |
66 | #define USB_IRDA_BR_115200 (1 << 5) | |
67 | #define USB_IRDA_BR_57600 (1 << 4) | |
68 | #define USB_IRDA_BR_38400 (1 << 3) | |
69 | #define USB_IRDA_BR_19200 (1 << 2) | |
70 | #define USB_IRDA_BR_9600 (1 << 1) | |
71 | #define USB_IRDA_BR_2400 (1 << 0) | |
72 | ||
73 | /* Additional BOFs */ | |
74 | ||
75 | #define USB_IRDA_AB_0 (1 << 7) | |
76 | #define USB_IRDA_AB_1 (1 << 6) | |
77 | #define USB_IRDA_AB_2 (1 << 5) | |
78 | #define USB_IRDA_AB_3 (1 << 4) | |
79 | #define USB_IRDA_AB_6 (1 << 3) | |
80 | #define USB_IRDA_AB_12 (1 << 2) | |
81 | #define USB_IRDA_AB_24 (1 << 1) | |
82 | #define USB_IRDA_AB_48 (1 << 0) | |
83 | ||
84 | /* IRDA Rate Sniff */ | |
85 | ||
86 | #define USB_IRDA_RATE_SNIFF 1 | |
87 | ||
88 | /*-------------------------------------------------------------------------*/ | |
89 | ||
90 | struct usb_irda_cs_descriptor { | |
91 | __u8 bLength; | |
92 | __u8 bDescriptorType; | |
93 | ||
94 | __le16 bcdSpecRevision; | |
95 | __u8 bmDataSize; | |
96 | __u8 bmWindowSize; | |
97 | __u8 bmMinTurnaroundTime; | |
98 | __le16 wBaudRate; | |
99 | __u8 bmAdditionalBOFs; | |
100 | __u8 bIrdaRateSniff; | |
101 | __u8 bMaxUnicastList; | |
102 | } __attribute__ ((packed)); | |
103 | ||
104 | /*-------------------------------------------------------------------------*/ | |
105 | ||
106 | /* Data Format */ | |
107 | ||
108 | #define USB_IRDA_STATUS_MEDIA_BUSY (1 << 7) | |
109 | ||
110 | /* The following is a 4-bit value used for both | |
111 | * inbound and outbound headers: | |
112 | * | |
113 | * 0 - speed ignored | |
114 | * 1 - 2400 bps | |
115 | * 2 - 9600 bps | |
116 | * 3 - 19200 bps | |
117 | * 4 - 38400 bps | |
118 | * 5 - 57600 bps | |
119 | * 6 - 115200 bps | |
120 | * 7 - 576000 bps | |
121 | * 8 - 1.152 Mbps | |
122 | * 9 - 5 mbps | |
123 | * 10..15 - Reserved | |
124 | */ | |
125 | #define USB_IRDA_STATUS_LINK_SPEED 0x0f | |
126 | ||
127 | /* The following is a 4-bit value used only for | |
128 | * outbound header: | |
129 | * | |
130 | * 0 - No change (BOF ignored) | |
131 | * 1 - 48 BOFs | |
132 | * 2 - 24 BOFs | |
133 | * 3 - 12 BOFs | |
134 | * 4 - 6 BOFs | |
135 | * 5 - 3 BOFs | |
136 | * 6 - 2 BOFs | |
137 | * 7 - 1 BOFs | |
138 | * 8 - 0 BOFs | |
139 | * 9..15 - Reserved | |
140 | */ | |
141 | #define USB_IRDA_EXTRA_BOFS 0xf0 | |
142 | ||
143 | struct usb_irda_inbound_header { | |
144 | __u8 bmStatus; | |
145 | }; | |
146 | ||
147 | struct usb_irda_outbound_header { | |
148 | __u8 bmChange; | |
149 | }; | |
150 | ||
151 | #endif /* __LINUX_USB_IRDA_H */ | |
152 |