summaryrefslogtreecommitdiff
path: root/drivers/staging/winbond/wbusb.c
blob: b003f9a7e1518b58f62ec83787a529652481a1f9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
/*
 * Copyright 2008 Pavel Machek <pavel@suse.cz>
 *
 * Distribute under GPLv2.
 */
#include <net/mac80211.h>
#include <linux/usb.h>

#include "core.h"
#include "mds_f.h"
#include "mlmetxrx_f.h"
#include "mto_f.h"
#include "wbhal_f.h"
#include "wblinux_f.h"

MODULE_AUTHOR("Original by: Jeff Lee<YY_Lee@issc.com.tw> Adapted to 2.6.x by Costantino Leandro (Rxart Desktop) <le_costantino@pixartargentina.com.ar>");
MODULE_DESCRIPTION("IS89C35 802.11bg WLAN USB Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION("0.1");

static struct usb_device_id wb35_table[] __devinitdata = {
	{USB_DEVICE(0x0416, 0x0035)},
	{USB_DEVICE(0x18E8, 0x6201)},
	{USB_DEVICE(0x18E8, 0x6206)},
	{USB_DEVICE(0x18E8, 0x6217)},
	{USB_DEVICE(0x18E8, 0x6230)},
	{USB_DEVICE(0x18E8, 0x6233)},
	{USB_DEVICE(0x1131, 0x2035)},
	{ 0, }
};

MODULE_DEVICE_TABLE(usb, wb35_table);

static struct ieee80211_rate wbsoft_rates[] = {
	{ .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
};

static struct ieee80211_channel wbsoft_channels[] = {
	{ .center_freq = 2412},
};

static struct ieee80211_supported_band wbsoft_band_2GHz = {
	.channels	= wbsoft_channels,
	.n_channels	= ARRAY_SIZE(wbsoft_channels),
	.bitrates	= wbsoft_rates,
	.n_bitrates	= ARRAY_SIZE(wbsoft_rates),
};

static int wbsoft_add_interface(struct ieee80211_hw *dev,
				 struct ieee80211_if_init_conf *conf)
{
	printk("wbsoft_add interface called\n");
	return 0;
}

static void wbsoft_remove_interface(struct ieee80211_hw *dev,
				     struct ieee80211_if_init_conf *conf)
{
	printk("wbsoft_remove interface called\n");
}

static void wbsoft_stop(struct ieee80211_hw *hw)
{
	printk(KERN_INFO "%s called\n", __func__);
}

static int wbsoft_get_stats(struct ieee80211_hw *hw,
			    struct ieee80211_low_level_stats *stats)
{
	printk(KERN_INFO "%s called\n", __func__);
	return 0;
}

static int wbsoft_get_tx_stats(struct ieee80211_hw *hw,
			       struct ieee80211_tx_queue_stats *stats)
{
	printk(KERN_INFO "%s called\n", __func__);
	return 0;
}

static void wbsoft_configure_filter(struct ieee80211_hw *dev,
				     unsigned int changed_flags,
				     unsigned int *total_flags,
				     int mc_count, struct dev_mc_list *mclist)
{
	unsigned int bit_nr, new_flags;
	u32 mc_filter[2];
	int i;

	new_flags = 0;

	if (*total_flags & FIF_PROMISC_IN_BSS) {
		new_flags |= FIF_PROMISC_IN_BSS;
		mc_filter[1] = mc_filter[0] = ~0;
	} else if ((*total_flags & FIF_ALLMULTI) || (mc_count > 32)) {
		new_flags |= FIF_ALLMULTI;
		mc_filter[1] = mc_filter[0] = ~0;
	} else {
		mc_filter[1] = mc_filter[0] = 0;
		for (i = 0; i < mc_count; i++) {
			if (!mclist)
				break;
			printk("Should call ether_crc here\n");
			//bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
			bit_nr = 0;

			bit_nr &= 0x3F;
			mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
			mclist = mclist->next;
		}
	}

	dev->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS;

	*total_flags = new_flags;
}

static int wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
{
	struct wbsoft_priv *priv = dev->priv;

	MLMESendFrame(priv, skb->data, skb->len, FRAME_TYPE_802_11_MANAGEMENT);

	return NETDEV_TX_OK;
}


static int wbsoft_start(struct ieee80211_hw *dev)
{
	struct wbsoft_priv *priv = dev->priv;

	priv->enabled = true;

	return 0;
}

static int wbsoft_config(struct ieee80211_hw *dev, u32 changed)
{
	struct wbsoft_priv *priv = dev->priv;
	struct ieee80211_conf *conf = &dev->conf;
	ChanInfo ch;

	printk("wbsoft_config called\n");

	ch.band = 1;
	ch.ChanNo = 1;	/* Should use channel_num, or something, as that is already pre-translated */


	hal_set_current_channel(&priv->sHwData, ch);
	hal_set_beacon_period(&priv->sHwData, conf->beacon_int);
//	hal_set_cap_info(&priv->sHwData, ?? );
// hal_set_ssid(phw_data_t pHwData,  u8 * pssid,  u8 ssid_len); ??
	hal_set_accept_broadcast(&priv->sHwData, 1);
	hal_set_accept_promiscuous(&priv->sHwData,  1);
	hal_set_accept_multicast(&priv->sHwData,  1);
	hal_set_accept_beacon(&priv->sHwData,  1);
	hal_set_radio_mode(&priv->sHwData,  0);
	//hal_set_antenna_number(  phw_data_t pHwData, u8 number )
	//hal_set_rf_power(phw_data_t pHwData, u8 PowerIndex)


//	hal_start_bss(&priv->sHwData, WLAN_BSSTYPE_INFRASTRUCTURE);	??

//void hal_set_rates(phw_data_t pHwData, u8 * pbss_rates,
//		   u8 length, unsigned char basic_rate_set)

	return 0;
}

static int wbsoft_config_interface(struct ieee80211_hw *dev,
				    struct ieee80211_vif *vif,
				    struct ieee80211_if_conf *conf)
{
	printk("wbsoft_config_interface called\n");
	return 0;
}

static u64 wbsoft_get_tsf(struct ieee80211_hw *dev)
{
	printk("wbsoft_get_tsf called\n");
	return 0;
}

static const struct ieee80211_ops wbsoft_ops = {
	.tx			= wbsoft_tx,
	.start			= wbsoft_start,		/* Start can be pretty much empty as we do wb35_hw_init() during probe? */
	.stop			= wbsoft_stop,
	.add_interface		= wbsoft_add_interface,
	.remove_interface	= wbsoft_remove_interface,
	.config			= wbsoft_config,
	.config_interface	= wbsoft_config_interface,
	.configure_filter	= wbsoft_configure_filter,
	.get_stats		= wbsoft_get_stats,
	.get_tx_stats		= wbsoft_get_tx_stats,
	.get_tsf		= wbsoft_get_tsf,
// conf_tx: hal_set_cwmin()/hal_set_cwmax;
};

static unsigned char wb35_hw_init(struct ieee80211_hw *hw)
{
	struct wbsoft_priv *priv = hw->priv;
	phw_data_t	pHwData;
	u8		*pMacAddr;
	u8		*pMacAddr2;
	u32		InitStep = 0;
	u8		EEPROM_region;
	u8		HwRadioOff;

	//
	// Setting default value for Linux
	//
	priv->sLocalPara.region_INF = REGION_AUTO;
	priv->sLocalPara.TxRateMode = RATE_AUTO;
	priv->sLocalPara.bMacOperationMode = MODE_802_11_BG;	// B/G mode
	priv->Mds.TxRTSThreshold = DEFAULT_RTSThreshold;
	priv->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
	hal_set_phy_type( &priv->sHwData, RF_WB_242_1 );
	priv->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE;
	priv->sLocalPara.bPreambleMode = AUTO_MODE;
	priv->sLocalPara.RadioOffStatus.boSwRadioOff = false;
	pHwData = &priv->sHwData;
	hal_set_phy_type( pHwData, RF_DECIDE_BY_INF );

	//added by ws for wep key error detection
	priv->sLocalPara.bWepKeyError= false;
	priv->sLocalPara.bToSelfPacketReceived = false;
	priv->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds

	// Initial USB hal
	InitStep = 1;
	pHwData = &priv->sHwData;
	if (!hal_init_hardware(hw))
		goto error;

	EEPROM_region = hal_get_region_from_EEPROM( pHwData );
	if (EEPROM_region != REGION_AUTO)
		priv->sLocalPara.region = EEPROM_region;
	else {
		if (priv->sLocalPara.region_INF != REGION_AUTO)
			priv->sLocalPara.region = priv->sLocalPara.region_INF;
		else
			priv->sLocalPara.region = REGION_USA;	//default setting
	}

	// Get Software setting flag from hal
	priv->sLocalPara.boAntennaDiversity = false;
	if (hal_software_set(pHwData) & 0x00000001)
		priv->sLocalPara.boAntennaDiversity = true;

	//
	// For TS module
	//
	InitStep = 2;

	// For MDS module
	InitStep = 3;
	Mds_initial(priv);

	//=======================================
	// Initialize the SME, SCAN, MLME, ROAM
	//=======================================
	InitStep = 4;
	InitStep = 5;
	InitStep = 6;

	// If no user-defined address in the registry, use the addresss "burned" on the NIC instead.
	pMacAddr = priv->sLocalPara.ThisMacAddress;
	pMacAddr2 = priv->sLocalPara.PermanentAddress;
	hal_get_permanent_address( pHwData, priv->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM
	if (memcmp(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH) == 0)
		memcpy(pMacAddr, pMacAddr2, MAC_ADDR_LENGTH);
	else {
		// Set the user define MAC address
		hal_set_ethernet_address(pHwData, priv->sLocalPara.ThisMacAddress);
	}

	//get current antenna
	priv->sLocalPara.bAntennaNo = hal_get_antenna_number(pHwData);
#ifdef _PE_STATE_DUMP_
	WBDEBUG(("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo));
#endif
	hal_get_hw_radio_off( pHwData );

	// Waiting for HAL setting OK
	while (!hal_idle(pHwData))
		msleep(10);

	MTO_Init(priv);

	HwRadioOff = hal_get_hw_radio_off( pHwData );
	priv->sLocalPara.RadioOffStatus.boHwRadioOff = !!HwRadioOff;

	hal_set_radio_mode( pHwData, (unsigned char)(priv->sLocalPara.RadioOffStatus.boSwRadioOff || priv->sLocalPara.RadioOffStatus.boHwRadioOff) );

	hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now.
	//set a tx power for reference.....
//	sme_set_tx_power_level(priv, 12);	FIXME?
	return true;

error:
	switch (InitStep) {
	case 5:
	case 4:
	case 3: Mds_Destroy( priv );
	case 2:
	case 1: hal_halt( pHwData, NULL );
	case 0: break;
	}

	return false;
}

static int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
{
	PWBUSB		pWbUsb;
        struct usb_host_interface *interface;
	struct usb_endpoint_descriptor *endpoint;
	u32	ltmp;
	struct usb_device *udev = interface_to_usbdev(intf);
	struct wbsoft_priv *priv;
	struct ieee80211_hw *dev;
	int err;

	usb_get_dev(udev);

	// 20060630.2 Check the device if it already be opened
	err = usb_control_msg(udev, usb_rcvctrlpipe( udev, 0 ),
			      0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN,
			      0x0, 0x400, &ltmp, 4, HZ*100 );
	if (err)
		goto error;

	ltmp = cpu_to_le32(ltmp);
	if (ltmp) {  // Is already initialized?
		err = -EBUSY;
		goto error;
	}

	dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops);
	if (!dev)
		goto error;

	priv = dev->priv;

	spin_lock_init(&priv->SpinLock);

	pWbUsb = &priv->sHwData.WbUsb;
	pWbUsb->udev = udev;

        interface = intf->cur_altsetting;
        endpoint = &interface->endpoint[0].desc;

	if (endpoint[2].wMaxPacketSize == 512) {
		printk("[w35und] Working on USB 2.0\n");
		pWbUsb->IsUsb20 = 1;
	}

	if (!wb35_hw_init(dev)) {
		err = -EINVAL;
		goto error_free_hw;
	}

	SET_IEEE80211_DEV(dev, &udev->dev);
	{
		phw_data_t pHwData = &priv->sHwData;
		unsigned char		dev_addr[MAX_ADDR_LEN];
		hal_get_permanent_address(pHwData, dev_addr);
		SET_IEEE80211_PERM_ADDR(dev, dev_addr);
	}

	dev->extra_tx_headroom = 12;	/* FIXME */
	dev->flags = 0;

	dev->channel_change_time = 1000;
	dev->queues = 1;

	dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &wbsoft_band_2GHz;

	err = ieee80211_register_hw(dev);
	if (err)
		goto error_free_hw;

	usb_set_intfdata(intf, priv);

	return 0;

error_free_hw:
	ieee80211_free_hw(dev);
error:
	usb_put_dev(udev);
	return err;
}

static void wb35_hw_halt(struct wbsoft_priv *adapter)
{
	Mds_Destroy( adapter );

	// Turn off Rx and Tx hardware ability
	hal_stop( &adapter->sHwData );
#ifdef _PE_USB_INI_DUMP_
	WBDEBUG(("[w35und] Hal_stop O.K.\n"));
#endif
	msleep(100);// Waiting Irp completed

	// Halt the HAL
	hal_halt(&adapter->sHwData, NULL);
}


static void wb35_disconnect(struct usb_interface *intf)
{
	struct wbsoft_priv *priv = usb_get_intfdata(intf);

	wb35_hw_halt(priv);

	usb_set_intfdata(intf, NULL);
	usb_put_dev(interface_to_usbdev(intf));
}

static struct usb_driver wb35_driver = {
	.name		= "w35und",
	.id_table	= wb35_table,
	.probe		= wb35_probe,
	.disconnect	= wb35_disconnect,
};

static int __init wb35_init(void)
{
	return usb_register(&wb35_driver);
}

static void __exit wb35_exit(void)
{
	usb_deregister(&wb35_driver);
}

module_init(wb35_init);
module_exit(wb35_exit);