2 * Copyright (c) 2008-2009 Atheros Communications Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/module.h>
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/slab.h>
25 #include <linux/types.h>
26 #include <linux/errno.h>
27 #include <linux/device.h>
28 #include <linux/firmware.h>
29 #include <linux/usb.h>
30 #include <net/bluetooth/bluetooth.h>
35 static struct usb_device_id ath3k_table[] = {
37 { USB_DEVICE(0x0CF3, 0x3000) },
39 /* Atheros AR3011 with sflash firmware*/
40 { USB_DEVICE(0x0CF3, 0x3002) },
42 /* Atheros AR9285 Malbec with sflash firmware */
43 { USB_DEVICE(0x03F0, 0x311D) },
44 { } /* Terminating entry */
47 MODULE_DEVICE_TABLE(usb, ath3k_table);
49 #define USB_REQ_DFU_DNLOAD 1
50 #define BULK_SIZE 4096
52 static int ath3k_load_firmware(struct usb_device *udev,
53 const struct firmware *firmware)
56 int err, pipe, len, size, sent = 0;
57 int count = firmware->size;
59 BT_DBG("udev %p", udev);
61 pipe = usb_sndctrlpipe(udev, 0);
63 send_buf = kmalloc(BULK_SIZE, GFP_ATOMIC);
65 BT_ERR("Can't allocate memory chunk for firmware");
69 memcpy(send_buf, firmware->data, 20);
70 if ((err = usb_control_msg(udev, pipe,
72 USB_TYPE_VENDOR, 0, 0,
73 send_buf, 20, USB_CTRL_SET_TIMEOUT)) < 0) {
74 BT_ERR("Can't change to loading configuration err");
81 size = min_t(uint, count, BULK_SIZE);
82 pipe = usb_sndbulkpipe(udev, 0x02);
83 memcpy(send_buf, firmware->data + sent, size);
85 err = usb_bulk_msg(udev, pipe, send_buf, size,
88 if (err || (len != size)) {
89 BT_ERR("Error in firmware loading err = %d,"
90 "len = %d, size = %d", err, len, size);
106 static int ath3k_probe(struct usb_interface *intf,
107 const struct usb_device_id *id)
109 const struct firmware *firmware;
110 struct usb_device *udev = interface_to_usbdev(intf);
112 BT_DBG("intf %p id %p", intf, id);
114 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
117 if (request_firmware(&firmware, "ath3k-1.fw", &udev->dev) < 0) {
121 if (ath3k_load_firmware(udev, firmware)) {
122 release_firmware(firmware);
125 release_firmware(firmware);
130 static void ath3k_disconnect(struct usb_interface *intf)
132 BT_DBG("ath3k_disconnect intf %p", intf);
135 static struct usb_driver ath3k_driver = {
137 .probe = ath3k_probe,
138 .disconnect = ath3k_disconnect,
139 .id_table = ath3k_table,
142 static int __init ath3k_init(void)
144 BT_INFO("Atheros AR30xx firmware driver ver %s", VERSION);
145 return usb_register(&ath3k_driver);
148 static void __exit ath3k_exit(void)
150 usb_deregister(&ath3k_driver);
153 module_init(ath3k_init);
154 module_exit(ath3k_exit);
156 MODULE_AUTHOR("Atheros Communications");
157 MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
158 MODULE_VERSION(VERSION);
159 MODULE_LICENSE("GPL");
160 MODULE_FIRMWARE("ath3k-1.fw");