2 * Copyright (c) 2007-2008 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 /* Module Name : wrap_usb.c */
20 /* This module contains wrapper functions for USB management */
23 /* Platform dependent. */
25 /************************************************************************/
30 #include <linux/netlink.h>
33 #include <net/iw_handler.h>
36 extern void zfLnxInitUsbTxQ(zdev_t* dev);
37 extern void zfLnxInitUsbRxQ(zdev_t* dev);
38 extern u32_t zfLnxSubmitRegInUrb(zdev_t *dev);
39 u32_t zfLnxUsbOut(zdev_t* dev, u8_t *hdr, u16_t hdrlen, u8_t *snap, u16_t snapLen,
40 u8_t *tail, u16_t tailLen, zbuf_t *buf, u16_t offset);
41 u32_t zfLnxUsbWriteReg(zdev_t* dev, u32_t* cmd, u16_t cmdLen);
43 void zfwUsbRegisterCallBack(zdev_t* dev, struct zfCbUsbFuncTbl *zfUsbFunc) {
44 struct usbdrv_private *macp = dev->ml_priv;
46 macp->usbCbFunctions.zfcbUsbRecv = zfUsbFunc->zfcbUsbRecv;
47 macp->usbCbFunctions.zfcbUsbRegIn = zfUsbFunc->zfcbUsbRegIn;
48 macp->usbCbFunctions.zfcbUsbOutComplete = zfUsbFunc->zfcbUsbOutComplete;
53 u32_t zfwUsbGetFreeTxQSize(zdev_t* dev)
55 struct usbdrv_private *macp = dev->ml_priv;
57 unsigned long irqFlag;
58 //zmw_declare_for_critical_section();
60 //zmw_enter_critical_section(dev);
61 spin_lock_irqsave(&macp->cs_lock, irqFlag);
63 freeTxQSize = ZM_MAX_TX_BUF_NUM - macp->TxBufCnt;
65 //zmw_leave_critical_section(dev);
66 spin_unlock_irqrestore(&macp->cs_lock, irqFlag);
71 u32_t zfwUsbGetMaxTxQSize(zdev_t* dev)
73 return ZM_MAX_TX_BUF_NUM;
76 u32_t zfwUsbEnableIntEpt(zdev_t *dev, u8_t endpt)
78 /* Initialize USB TxQ */
81 /* Initialize USB RxQ */
84 /* Initialize USB Register In URB */
85 //zfwUsbSubmitRegIn(dev);
86 /* Initialize USB Register In URB */
87 zfLnxSubmitRegInUrb(dev);
92 int zfwUsbEnableRxEpt(zdev_t* dev, u8_t endpt)
97 u32_t zfwUsbSubmitControl(zdev_t* dev, u8_t req, u16_t value, u16_t index, void *data, u32_t size)
101 struct usbdrv_private *macp = dev->ml_priv;
106 buf = kmalloc(size, GFP_KERNEL);
107 memcpy(buf, (u8_t*)data, size);
115 printk(KERN_ERR "req = 0x%02x\n", req);
116 printk(KERN_ERR "value = 0x%04x\n", value);
117 printk(KERN_ERR "index = 0x%04x\n", index);
118 printk(KERN_ERR "data = 0x%lx\n", (u32_t) data);
119 printk(KERN_ERR "size = %ld\n", size);
122 result = usb_control_msg(macp->udev, usb_sndctrlpipe(macp->udev, 0),
123 req, USB_DIR_OUT | 0x40, value, index, buf, size, HZ);
127 printk("zfwUsbSubmitControl() failed, result=0x%x\n", result);
135 void zfwUsbCmd(zdev_t* dev, u8_t endpt, u32_t* cmd, u16_t cmdLen)
137 struct usbdrv_private *macp = dev->ml_priv;
140 //MPUsbCommand(dev, endpt, cmd, cmdLen);
141 ret = zfLnxUsbWriteReg(dev, cmd, cmdLen);
143 /* if zfLnxUsbWriteReg() return error, free and allocate urb, resend again */
146 usb_free_urb(macp->RegOutUrb);
147 macp->RegOutUrb = usb_alloc_urb(0, GFP_ATOMIC);
148 ret = zfLnxUsbWriteReg(dev, cmd, cmdLen);
152 u32_t zfwUsbSend(zdev_t* dev, u8_t endpt, u8_t *hdr, u16_t hdrlen, u8_t *snap, u16_t snapLen,
153 u8_t *tail, u16_t tailLen, zbuf_t *buf, u16_t offset)
157 #ifdef ZM_CONFIG_BIG_ENDIAN
162 for(ii=0; ii<(hdrlen>>1); ii++)
164 pc[ii] = cpu_to_le16(pc[ii]);
168 for(ii=0; ii<(snapLen>>1); ii++)
170 pc[ii] = cpu_to_le16(pc[ii]);
174 for(ii=0; ii<(tailLen>>1); ii++)
176 pc[ii] = cpu_to_le16(pc[ii]);
180 status = zfLnxUsbOut(dev, hdr, hdrlen, snap, snapLen, tail, tailLen, buf, offset);
191 /* Leave an empty line below to remove warning message on some compiler */