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1/*
2 * Wireless USB Wire Adapter constants and structures.
3 *
4 * Copyright (C) 2005-2006 Intel Corporation.
5 * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License version
9 * 2 as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 * 02110-1301, USA.
20 *
21 *
22 * FIXME: docs
23 * FIXME: organize properly, group logically
24 *
25 * All the event structures are defined in uwb/spec.h, as they are
26 * common to the WHCI and WUSB radio control interfaces.
27 *
28 * References:
29 * [WUSB] Wireless Universal Serial Bus Specification, revision 1.0, ch8
30 */
31#ifndef __LINUX_USB_WUSB_WA_H
32#define __LINUX_USB_WUSB_WA_H
33
34/**
35 * Radio Command Request for the Radio Control Interface
36 *
37 * Radio Control Interface command and event codes are the same as
38 * WHCI, and listed in include/linux/uwb.h:UWB_RC_{CMD,EVT}_*
39 */
40enum {
41 WA_EXEC_RC_CMD = 40, /* Radio Control command Request */
42};
43
44/* Wireless Adapter Requests ([WUSB] table 8-51) */
45enum {
46 WUSB_REQ_ADD_MMC_IE = 20,
47 WUSB_REQ_REMOVE_MMC_IE = 21,
48 WUSB_REQ_SET_NUM_DNTS = 22,
49 WUSB_REQ_SET_CLUSTER_ID = 23,
50 WUSB_REQ_SET_DEV_INFO = 24,
51 WUSB_REQ_GET_TIME = 25,
52 WUSB_REQ_SET_STREAM_IDX = 26,
53 WUSB_REQ_SET_WUSB_MAS = 27,
54};
55
56
57/* Wireless Adapter WUSB Channel Time types ([WUSB] table 8-52) */
58enum {
59 WUSB_TIME_ADJ = 0,
60 WUSB_TIME_BPST = 1,
61 WUSB_TIME_WUSB = 2,
62};
63
64enum {
65 WA_ENABLE = 0x01,
66 WA_RESET = 0x02,
67 RPIPE_PAUSE = 0x1,
68};
69
70/* Responses from Get Status request ([WUSB] section 8.3.1.6) */
71enum {
72 WA_STATUS_ENABLED = 0x01,
73 WA_STATUS_RESETTING = 0x02
74};
75
76enum rpipe_crs {
77 RPIPE_CRS_CTL = 0x01,
78 RPIPE_CRS_ISO = 0x02,
79 RPIPE_CRS_BULK = 0x04,
80 RPIPE_CRS_INTR = 0x08
81};
82
83/**
84 * RPipe descriptor ([WUSB] section 8.5.2.11)
85 *
86 * FIXME: explain rpipes
87 */
88struct usb_rpipe_descriptor {
89 u8 bLength;
90 u8 bDescriptorType;
91 __le16 wRPipeIndex;
92 __le16 wRequests;
93 __le16 wBlocks; /* rw if 0 */
94 __le16 wMaxPacketSize; /* rw? */
95 u8 bHSHubAddress; /* reserved: 0 */
96 u8 bHSHubPort; /* ??? FIXME ??? */
97 u8 bSpeed; /* rw: xfer rate 'enum uwb_phy_rate' */
98 u8 bDeviceAddress; /* rw: Target device address */
99 u8 bEndpointAddress; /* rw: Target EP address */
100 u8 bDataSequence; /* ro: Current Data sequence */
101 __le32 dwCurrentWindow; /* ro */
102 u8 bMaxDataSequence; /* ro?: max supported seq */
103 u8 bInterval; /* rw: */
104 u8 bOverTheAirInterval; /* rw: */
105 u8 bmAttribute; /* ro? */
106 u8 bmCharacteristics; /* ro? enum rpipe_attr, supported xsactions */
107 u8 bmRetryOptions; /* rw? */
108 __le16 wNumTransactionErrors; /* rw */
109} __attribute__ ((packed));
110
111/**
112 * Wire Adapter Notification types ([WUSB] sections 8.4.5 & 8.5.4)
113 *
114 * These are the notifications coming on the notification endpoint of
115 * an HWA and a DWA.
116 */
117enum wa_notif_type {
118 DWA_NOTIF_RWAKE = 0x91,
119 DWA_NOTIF_PORTSTATUS = 0x92,
120 WA_NOTIF_TRANSFER = 0x93,
121 HWA_NOTIF_BPST_ADJ = 0x94,
122 HWA_NOTIF_DN = 0x95,
123};
124
125/**
126 * Wire Adapter notification header
127 *
128 * Notifications coming from a wire adapter use a common header
129 * defined in [WUSB] sections 8.4.5 & 8.5.4.
130 */
131struct wa_notif_hdr {
132 u8 bLength;
133 u8 bNotifyType; /* enum wa_notif_type */
134} __attribute__((packed));
135
136/**
137 * HWA DN Received notification [(WUSB] section 8.5.4.2)
138 *
139 * The DNData is specified in WUSB1.0[7.6]. For each device
140 * notification we received, we just need to dispatch it.
141 *
142 * @dndata: this is really an array of notifications, but all start
143 * with the same header.
144 */
145struct hwa_notif_dn {
146 struct wa_notif_hdr hdr;
147 u8 bSourceDeviceAddr; /* from errata 2005/07 */
148 u8 bmAttributes;
149 struct wusb_dn_hdr dndata[];
150} __attribute__((packed));
151
152/* [WUSB] section 8.3.3 */
153enum wa_xfer_type {
154 WA_XFER_TYPE_CTL = 0x80,
155 WA_XFER_TYPE_BI = 0x81, /* bulk/interrupt */
156 WA_XFER_TYPE_ISO = 0x82,
157 WA_XFER_RESULT = 0x83,
158 WA_XFER_ABORT = 0x84,
159};
160
161/* [WUSB] section 8.3.3 */
162struct wa_xfer_hdr {
163 u8 bLength; /* 0x18 */
164 u8 bRequestType; /* 0x80 WA_REQUEST_TYPE_CTL */
165 __le16 wRPipe; /* RPipe index */
166 __le32 dwTransferID; /* Host-assigned ID */
167 __le32 dwTransferLength; /* Length of data to xfer */
168 u8 bTransferSegment;
169} __attribute__((packed));
170
171struct wa_xfer_ctl {
172 struct wa_xfer_hdr hdr;
173 u8 bmAttribute;
174 __le16 wReserved;
175 struct usb_ctrlrequest baSetupData;
176} __attribute__((packed));
177
178struct wa_xfer_bi {
179 struct wa_xfer_hdr hdr;
180 u8 bReserved;
181 __le16 wReserved;
182} __attribute__((packed));
183
184struct wa_xfer_hwaiso {
185 struct wa_xfer_hdr hdr;
186 u8 bReserved;
187 __le16 wPresentationTime;
188 __le32 dwNumOfPackets;
189 /* FIXME: u8 pktdata[]? */
190} __attribute__((packed));
191
192/* [WUSB] section 8.3.3.5 */
193struct wa_xfer_abort {
194 u8 bLength;
195 u8 bRequestType;
196 __le16 wRPipe; /* RPipe index */
197 __le32 dwTransferID; /* Host-assigned ID */
198} __attribute__((packed));
199
200/**
201 * WA Transfer Complete notification ([WUSB] section 8.3.3.3)
202 *
203 */
204struct wa_notif_xfer {
205 struct wa_notif_hdr hdr;
206 u8 bEndpoint;
207 u8 Reserved;
208} __attribute__((packed));
209
210/** Transfer result basic codes [WUSB] table 8-15 */
211enum {
212 WA_XFER_STATUS_SUCCESS,
213 WA_XFER_STATUS_HALTED,
214 WA_XFER_STATUS_DATA_BUFFER_ERROR,
215 WA_XFER_STATUS_BABBLE,
216 WA_XFER_RESERVED,
217 WA_XFER_STATUS_NOT_FOUND,
218 WA_XFER_STATUS_INSUFFICIENT_RESOURCE,
219 WA_XFER_STATUS_TRANSACTION_ERROR,
220 WA_XFER_STATUS_ABORTED,
221 WA_XFER_STATUS_RPIPE_NOT_READY,
222 WA_XFER_INVALID_FORMAT,
223 WA_XFER_UNEXPECTED_SEGMENT_NUMBER,
224 WA_XFER_STATUS_RPIPE_TYPE_MISMATCH,
225};
226
227/** [WUSB] section 8.3.3.4 */
228struct wa_xfer_result {
229 struct wa_notif_hdr hdr;
230 __le32 dwTransferID;
231 __le32 dwTransferLength;
232 u8 bTransferSegment;
233 u8 bTransferStatus;
234 __le32 dwNumOfPackets;
235} __attribute__((packed));
236
237/**
238 * Wire Adapter Class Descriptor ([WUSB] section 8.5.2.7).
239 *
240 * NOTE: u16 fields are read Little Endian from the hardware.
241 *
242 * @bNumPorts is the original max number of devices that the host can
243 * connect; we might chop this so the stack can handle
244 * it. In case you need to access it, use wusbhc->ports_max
245 * if it is a Wireless USB WA.
246 */
247struct usb_wa_descriptor {
248 u8 bLength;
249 u8 bDescriptorType;
250 u16 bcdWAVersion;
251 u8 bNumPorts; /* don't use!! */
252 u8 bmAttributes; /* Reserved == 0 */
253 u16 wNumRPipes;
254 u16 wRPipeMaxBlock;
255 u8 bRPipeBlockSize;
256 u8 bPwrOn2PwrGood;
257 u8 bNumMMCIEs;
258 u8 DeviceRemovable; /* FIXME: in DWA this is up to 16 bytes */
259} __attribute__((packed));
260
261/**
262 * HWA Device Information Buffer (WUSB1.0[T8.54])
263 */
264struct hwa_dev_info {
265 u8 bmDeviceAvailability[32]; /* FIXME: ignored for now */
266 u8 bDeviceAddress;
267 __le16 wPHYRates;
268 u8 bmDeviceAttribute;
269} __attribute__((packed));
270
271#endif /* #ifndef __LINUX_USB_WUSB_WA_H */