UWB Radio Controller Driver Download

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UWB Radio Controller Driver Download

Uwb Radio Controller Driver Download For Xp

Uwb radio controller driver download for windows 10
1/*
2 * UWB radio (channel) management.
3 *
4 * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License version
8 * 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18#include <linux/kernel.h>
19#include <linux/uwb.h>
20#include <linux/export.h>
21
22#include 'uwb-internal.h'
23
24
25staticintuwb_radio_select_channel(structuwb_rc *rc)
26{
27/*
28 * Default to channel 9 (BG1, TFC1) unless the user has
29 * selected a specific channel or there are no active PALs.
30 */
31if (rc->active_pals 0)
32return -1;
33if (rc->beaconing_forced)
34returnrc->beaconing_forced;
35return9;
36}
37
38
39/*
40 * Notify all active PALs that the channel has changed.
41 */
42staticvoiduwb_radio_channel_changed(structuwb_rc *rc, intchannel)
43{
44structuwb_pal *pal;
45
46list_for_each_entry(pal, &rc->pals, node) {
47if (pal->channel && channel != pal->channel) {
48pal->channel = channel;
49if (pal->channel_changed)
50pal->channel_changed(pal, pal->channel);
51 }
52 }
53}
54
55/*
56 * Change to a new channel and notify any active PALs of the new
57 * channel.
58 *
59 * When stopping the radio, PALs need to be notified first so they can
60 * terminate any active reservations.
61 */
62staticintuwb_radio_change_channel(structuwb_rc *rc, intchannel)
63{
64intret = 0;
65structdevice *dev = &rc->uwb_dev.dev;
66
67dev_dbg(dev, '%s: channel = %d, rc->beaconing = %dn', __func__,
68channel, rc->beaconing);
69
70if (channel -1)
71uwb_radio_channel_changed(rc, channel);
72
73if (channel != rc->beaconing) {
74if (rc->beaconing != -1 && channel != -1) {
75/*
76 * FIXME: should signal the channel change
77 * with a Channel Change IE.
78 */
79ret = uwb_radio_change_channel(rc, -1);
80if (ret < 0)
81returnret;
82 }
83ret = uwb_rc_beacon(rc, channel, 0);
84 }
85
86if (channel != -1)
87uwb_radio_channel_changed(rc, rc->beaconing);
88
89returnret;
90}
91
92/**
93 * uwb_radio_start - request that the radio be started
94 * @pal: the PAL making the request.
95 *
96 * If the radio is not already active, a suitable channel is selected
97 * and beacons are started.
98 */
99intuwb_radio_start(structuwb_pal *pal)
100{
101structuwb_rc *rc = pal->rc;
102intret = 0;
103
104mutex_lock(&rc->uwb_dev.mutex);
105
106if (!pal->channel) {
107pal->channel = -1;
108rc->active_pals++;
109ret = uwb_radio_change_channel(rc, uwb_radio_select_channel(rc));
110 }
111
112mutex_unlock(&rc->uwb_dev.mutex);
113returnret;
114}
115EXPORT_SYMBOL_GPL(uwb_radio_start);
116
117/**
118 * uwb_radio_stop - request that the radio be stopped.
119 * @pal: the PAL making the request.
120 *
121 * Stops the radio if no other PAL is making use of it.
122 */
123voiduwb_radio_stop(structuwb_pal *pal)
124{
125structuwb_rc *rc = pal->rc;
126
127mutex_lock(&rc->uwb_dev.mutex);
128
129if (pal->channel) {
130rc->active_pals--;
131uwb_radio_change_channel(rc, uwb_radio_select_channel(rc));
132pal->channel = 0;
133 }
134
135mutex_unlock(&rc->uwb_dev.mutex);
136}
137EXPORT_SYMBOL_GPL(uwb_radio_stop);
138
139/*
140 * uwb_radio_force_channel - force a specific channel to be used
141 * @rc: the radio controller.
142 * @channel: the channel to use; -1 to force the radio to stop; 0 to
143 * use the default channel selection algorithm.
144 */
145intuwb_radio_force_channel(structuwb_rc *rc, intchannel)
146{
147intret = 0;
148
149mutex_lock(&rc->uwb_dev.mutex);
150
151rc->beaconing_forced = channel;
152ret = uwb_radio_change_channel(rc, uwb_radio_select_channel(rc));
153
154mutex_unlock(&rc->uwb_dev.mutex);
155returnret;
156}
157
158/*
159 * uwb_radio_setup - setup the radio manager
160 * @rc: the radio controller.
161 *
162 * The radio controller is reset to ensure it's in a known state
163 * before it's used.
164 */
165intuwb_radio_setup(structuwb_rc *rc)
166{
167returnuwb_rc_reset(rc);
168}
169
170/*
171 * uwb_radio_reset_state - reset any radio manager state
172 * @rc: the radio controller.
173 *
174 * All internal radio manager state is reset to values corresponding
175 * to a reset radio controller.
176 */
177voiduwb_radio_reset_state(structuwb_rc *rc)
178{
179structuwb_pal *pal;
180
181mutex_lock(&rc->uwb_dev.mutex);
182
183list_for_each_entry(pal, &rc->pals, node) {
184if (pal->channel) {
185pal->channel = -1;
186if (pal->channel_changed)
187pal->channel_changed(pal, -1);
188 }
189 }
190
191rc->beaconing = -1;
192rc->scanning = -1;
193
194mutex_unlock(&rc->uwb_dev.mutex);
195}
196
197/*
198 * uwb_radio_shutdown - shutdown the radio manager
199 * @rc: the radio controller.
200 *
201 * The radio controller is reset.
202 */
203voiduwb_radio_shutdown(structuwb_rc *rc)
204{
205uwb_radio_reset_state(rc);
206uwb_rc_reset(rc);
207}
208
Transmitter -->

Futaba Radio Controller

Purpose

This section describes support in the Windows operating system, for developing a Universal Serial Bus (USB) host controller driver that communicates with the Microsoft-provided USB host controller extension (UCX).

If you are developing an xHCI host controller that is not compliant with the specification or developing a custom non-xHCI hardware (such as a virtual host controller), you can write a host controller driver that communicates with UCX. For example, consider a wireless dock that supports USB devices. The PC communicates with USB devices through the wireless dock by using USB over TCP as a transport.

USB host controller extension (UCX)

The USB host controller extension is a system-supplied driver (Ucx01000.sys). This driver is implemented as a framework class extension by using the Windows Driver Framework programming interfaces. The host controller driver serves as the client driver to that class extension. While a host controller driver handles hardware operations and events, power management, and PnP events, UCX serves as an abstracted interface that queues requests to the host controller driver, and performs other tasks.

UCX is one of the USB host-side drivers in Windows. It is loaded as the FDO in the host controller device stack.

USB host controller driver

UCX is extensible and is designed to support various host controller drivers. Windows provides an xHCI driver (Usbxhci.sys) that targets USB xHCI host controllers.

The host controller driver is a client of UCX, written as Kernel-Mode Driver Framework (KMDF) driver.

Microsoft-provided binaries

To write a host controller driver, you need UCX (Ucx01000.sys) and the stub library (Ucx01000.lib). The stub library is in the Windows Driver Kit (WDK). The library performs two main functions.

  • Translate calls made by the host controller driver and pass them up to UCX.
  • Provides support for versioning. A host controller driver will work with UCX, only if UCX has the same Major version number as the host controller driver, and the same or higher Minor version number as the host controller driver.

Development tools

The WDK contains resources that are required for driver development, such as headers, libraries, tools, and samples.

Get started...

Read the official specification that describes the expected behavior of different components (device, host controller, and hub) of the architecture.

xHCI for Universal Serial Bus: SpecificationOfficial Universal Serial Bus Documents

Understand the architecture of UCX

Familiarize yourself with the Microsoft-provided USB driver stack:

USB host-side drivers in WindowsArchitecture: USB host controller extension (UCX)

Familiarize yourself with UCX objects and handles

UCX extends the WDF object functionality to define its own USB-specific UCX objects. For more details on WDF objects, see Introduction to Framework Objects.

For queuing requests to any underlying host controller driver, UCX uses these objects. For more information, see UCX objects and handles used by a host controller driver.

Host controller object (UCXCONTROLLER)

Represents the host controller that is created by the host controller driver. The driver must create only one host controller object per host controller instance. Typically created within the EVT_WDF_DRIVER_DEVICE_ADDcallback by calling the UcxControllerCreate](/previous-versions/windows/hardware/drivers/mt188033(v=vs.85))'>UcxControllerCreate method.

Root hub object (UCXROOTHUB)

Gets and controls the status of the root ports of the host controller. Created by the host controller driver typically within the EVT_WDF_DRIVER_DEVICE_ADD callback by calling the UcxRootHubCreate](/previous-versions/windows/hardware/drivers/mt188048(v=vs.85))'>UcxRootHubCreate method.

USB device object (UCXUSBDEVICE)

Represents a physical USB device connected to the bus. Created by the host controller driver typically within the EVT_UCX_CONTROLLER_USBDEVICE_ADD](/windows-hardware/drivers/ddi/ucxcontroller/nc-ucxcontroller-evt_ucx_controller_usbdevice_add)'>EVT_UCX_CONTROLLER_USBDEVICE_ADD callback by calling the UcxUsbDeviceCreate](/windows-hardware/drivers/ddi/ucxusbdevice/nf-ucxusbdevice-ucxusbdevicecreate)'>UcxUsbDeviceCreate method.

Endpoint object (UCXENDPOINT)

Represents an endpoint on a USB device object. Created by the host controller driver typically within the EVT_UCX_USBDEVICE_DEFAULT_ENDPOINT_ADD](/windows-hardware/drivers/ddi/ucxusbdevice/nc-ucxusbdevice-evt_ucx_usbdevice_default_endpoint_add)'>EVT_UCX_USBDEVICE_DEFAULT_ENDPOINT_ADD or EVT_UCX_USBDEVICE_ENDPOINT_ADD](/windows-hardware/drivers/ddi/ucxusbdevice/nc-ucxusbdevice-evt_ucx_usbdevice_endpoint_add)'>EVT_UCX_USBDEVICE_ENDPOINT_ADD callback by calling the UcxEndpointCreate](/windows-hardware/drivers/ddi/ucxendpoint/nf-ucxendpoint-ucxendpointcreate)'>UcxEndpointCreate method.

Stream object (UCXSTREAMS)

Represents a number of pipes to the device across a single bulk endpoint. Created by the host controller driver typically within the EVT_UCX_ENDPOINT_STATIC_STREAMS_ADD](/windows-hardware/drivers/ddi/ucxendpoint/nc-ucxendpoint-evt_ucx_endpoint_static_streams_add)'>EVT_UCX_ENDPOINT_STATIC_STREAMS_ADD callback by calling the UcxStaticStreamsCreate](/windows-hardware/drivers/ddi/ucxsstreams/nf-ucxsstreams-ucxstaticstreamscreate)'>UcxStaticStreamsCreate method.

Documentation sections

Root hub callback functions of a host controller driver

UCX handles most operations related to the root hub. This allows the USB hub driver to interact with the root hub in the same way that it interacts with a regular hub. The host controller driver can register its callback functions.

Handle I/O requests in a USB host controller driver

UCX triages incoming USB request blocks (URBs), and then forwards them to the correct endpoint queue.

Configure USB endpoints in a host controller driver

The host controller driver plays a role in UCX’s management of the queues that are associated with its endpoints, and in the programming of endpoints into controller hardware.

USB host controller extension (UCX) reference

Gives specifications for I/O requests, support routines, structures, and interfaces used by the client driver. Those routines and related data structures are defined in the WDK headers.

UCX is referred to as the framework class extension.

The host controller driver is referred to as the client driver.

Uwb Radio Controller Driver Download Windows 7

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