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--- en:users:drivers:zd1211rw:addid [2015/01/26 09:49]
+++ en:users:drivers:zd1211rw:addid [2015/01/26 09:49] (current)
@@ Line 1: / Line 1: @@
+===== Adding new device IDs to zd1211rw =====
+Given that there are various different configurations of ZD1211 devices available (different [[en/users/Drivers/zd1211rw/RFtypes|RF types]], ZD1211 vs ZD1211B, etc), we have not copied over the entire list of USB ID's from the vendor/vendor-based drivers. We require that each device ID is tested before we add it to zd1211rw.
+If you attempt to use zd1211rw and <code>dmesg</code> doesn't indicate that zd1211rw is at all interested in the USB device you just plugged in, you probably need to add the ID to the driver.
+If you have one of these currently-unsupported devices, we'd really appreciate it if you could make a small modification to the zd1211rw driver and then test your device with the new driver. The process is fairly simple.
+Please note that zd1211rw has requirements such as userspace firmware and a very recent kernel version. See the [[en/users/Drivers/zd1211rw|driver homepage]] for more info.
+===== Easy and fast way =====
+do:
+<code># lsusb
+# modprobe zd1211rw
+# echo "VVVV DDDD FFFFFFFF FFFFFFFF 0 0 z" > /sys/bus/usb/drivers/zd1211rw/new_id</code>
+VVVV that is Vendor ID(get it from lsusb output)
+DDDD that is Device ID(get it from lsusb output)
+z that is **0** for ZD1211 or **1** for ZD1211B chips or **2** for "Driverless" devices that need ejecting.
+example:
+<code># lsusb
+Bus 001 Device 001: ID 0ace:1211
+# modprobe zd1211rw
+# echo "0ace 1211 FFFFFFFF FFFFFFFF 0 0 0" > /sys/bus/usb/drivers/zd1211rw/new_id</code>
+===== Hard way =====
+==== 1. Modify the driver ====
+Install and configure the kernel sources as you normally would, including the zd1211rw driver.
+Open up drivers/net/wireless/zd1211rw/zd_usb.c in your favourite text editor. Towards the top of the file, you will see a table called **usb_ids**. The start of it looks like:
+<code>static struct usb_device_id usb_ids[] = {
+        /* ZD1211 */
+        { USB_DEVICE(0x0ace, 0x1211), .driver_info = DEVICE_ZD1211 },
+        { USB_DEVICE(0x07b8, 0x6001), .driver_info = DEVICE_ZD1211 },</code>
+Look up the USB ID for your product (you can find this with **lsusb**). In this example we'll assume your device ID is 1111:2222. Add an entry similar to the one below to the table, so the start of the table now reads:
+The line that was added is highlighted in red. It is fairly self explanatory - you can how 1111:2222 was inserted into the table.
+If you have a ZD1211B device then you must use DEVICE_ZD1211B instead of DEVICE_ZD1211.
+The order of entries in the table does not matter. It does not matter if you create a ZD1211B entry in the section labelled ZD1211.
+==== 2. Compile and load ====
+The process here is normal: compile and install your kernel, reboot if necessary, and then load the module.
+==== 3. Test the driver ====
+Connect to a network, and try it out.
+==== 4. Mail the list ====
+Write a mail to [[http://sourceforge.net/mail/?group_id=129083|zd1211-devs]] (subscribers only) and to [[en/developers/MailingLists|linux-wireless]] mailing lists with your success/failure report.
+Please include:
+  * The brand and retail product name of your device
+  * The USB ID's (duh)
+  * The chip ID string, which can be read by:
+  *  * <code># dmesg | egrep "zd1211b? chip"</code>
+  *   The FCC ID of your product, if it is is visible. Here is an example of a chip ID string: <code>zd1211 chip 07b8:6001 v4330 full 00-12-0e AL2230_RF pa0 g--</code>
+If your RF is not supported, you will not get an ID string. The driver will bail out earlier with this type of error message: <code>zd1211 RF YOUR_RF 0x? is not supported.</code>
+Please tell us about either situation in your mail.
+===== Stuck ? =====
+If you run into any problems with the above steps, please write to the [[http://sourceforge.net/mail/?group_id=129083|zd1211-devs]] (subscribers only) and to [[en/developers/MailingLists|linux-wireless]] mailing list. Somebody should be able to help you out.

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