1 #include "wb35reg_f.h"
2 
3 #include <linux/usb.h>
4 #include <linux/slab.h>
5 
6 extern void phy_calibration_winbond(struct hw_data *phw_data, u32 frequency);
7 
8 /*
9  * true  : read command process successfully
10  * false : register not support
11  * RegisterNo : start base
12  * pRegisterData : data point
13  * NumberOfData : number of register data
14  * Flag : AUTO_INCREMENT - RegisterNo will auto increment 4
15  *	  NO_INCREMENT - Function will write data into the same register
16  */
Wb35Reg_BurstWrite(struct hw_data * pHwData,u16 RegisterNo,u32 * pRegisterData,u8 NumberOfData,u8 Flag)17 unsigned char Wb35Reg_BurstWrite(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegisterData, u8 NumberOfData, u8 Flag)
18 {
19 	struct wb35_reg		*reg = &pHwData->reg;
20 	struct urb		*urb = NULL;
21 	struct wb35_reg_queue	*reg_queue = NULL;
22 	u16			UrbSize;
23 	struct usb_ctrlrequest	*dr;
24 	u16			i, DataSize = NumberOfData * 4;
25 
26 	/* Module shutdown */
27 	if (pHwData->SurpriseRemove)
28 		return false;
29 
30 	/* Trying to use burst write function if use new hardware */
31 	UrbSize = sizeof(struct wb35_reg_queue) + DataSize + sizeof(struct usb_ctrlrequest);
32 	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
33 	urb = usb_alloc_urb(0, GFP_ATOMIC);
34 	if (urb && reg_queue) {
35 		reg_queue->DIRECT = 2; /* burst write register */
36 		reg_queue->INDEX = RegisterNo;
37 		reg_queue->pBuffer = (u32 *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue));
38 		memcpy(reg_queue->pBuffer, pRegisterData, DataSize);
39 		/* the function for reversing register data from little endian to big endian */
40 		for (i = 0; i < NumberOfData ; i++)
41 			reg_queue->pBuffer[i] = cpu_to_le32(reg_queue->pBuffer[i]);
42 
43 		dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue) + DataSize);
44 		dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE;
45 		dr->bRequest = 0x04; /* USB or vendor-defined request code, burst mode */
46 		dr->wValue = cpu_to_le16(Flag); /* 0: Register number auto-increment, 1: No auto increment */
47 		dr->wIndex = cpu_to_le16(RegisterNo);
48 		dr->wLength = cpu_to_le16(DataSize);
49 		reg_queue->Next = NULL;
50 		reg_queue->pUsbReq = dr;
51 		reg_queue->urb = urb;
52 
53 		spin_lock_irq(&reg->EP0VM_spin_lock);
54 		if (reg->reg_first == NULL)
55 			reg->reg_first = reg_queue;
56 		else
57 			reg->reg_last->Next = reg_queue;
58 		reg->reg_last = reg_queue;
59 
60 		spin_unlock_irq(&reg->EP0VM_spin_lock);
61 
62 		/* Start EP0VM */
63 		Wb35Reg_EP0VM_start(pHwData);
64 
65 		return true;
66 	} else {
67 		if (urb)
68 			usb_free_urb(urb);
69 		kfree(reg_queue);
70 		return false;
71 	}
72    return false;
73 }
74 
Wb35Reg_Update(struct hw_data * pHwData,u16 RegisterNo,u32 RegisterValue)75 void Wb35Reg_Update(struct hw_data *pHwData,  u16 RegisterNo,  u32 RegisterValue)
76 {
77 	struct wb35_reg *reg = &pHwData->reg;
78 	switch (RegisterNo) {
79 	case 0x3b0: reg->U1B0 = RegisterValue; break;
80 	case 0x3bc: reg->U1BC_LEDConfigure = RegisterValue; break;
81 	case 0x400: reg->D00_DmaControl = RegisterValue; break;
82 	case 0x800: reg->M00_MacControl = RegisterValue; break;
83 	case 0x804: reg->M04_MulticastAddress1 = RegisterValue; break;
84 	case 0x808: reg->M08_MulticastAddress2 = RegisterValue; break;
85 	case 0x824: reg->M24_MacControl = RegisterValue; break;
86 	case 0x828: reg->M28_MacControl = RegisterValue; break;
87 	case 0x82c: reg->M2C_MacControl = RegisterValue; break;
88 	case 0x838: reg->M38_MacControl = RegisterValue; break;
89 	case 0x840: reg->M40_MacControl = RegisterValue; break;
90 	case 0x844: reg->M44_MacControl = RegisterValue; break;
91 	case 0x848: reg->M48_MacControl = RegisterValue; break;
92 	case 0x84c: reg->M4C_MacStatus = RegisterValue; break;
93 	case 0x860: reg->M60_MacControl = RegisterValue; break;
94 	case 0x868: reg->M68_MacControl = RegisterValue; break;
95 	case 0x870: reg->M70_MacControl = RegisterValue; break;
96 	case 0x874: reg->M74_MacControl = RegisterValue; break;
97 	case 0x878: reg->M78_ERPInformation = RegisterValue; break;
98 	case 0x87C: reg->M7C_MacControl = RegisterValue; break;
99 	case 0x880: reg->M80_MacControl = RegisterValue; break;
100 	case 0x884: reg->M84_MacControl = RegisterValue; break;
101 	case 0x888: reg->M88_MacControl = RegisterValue; break;
102 	case 0x898: reg->M98_MacControl = RegisterValue; break;
103 	case 0x100c: reg->BB0C = RegisterValue; break;
104 	case 0x102c: reg->BB2C = RegisterValue; break;
105 	case 0x1030: reg->BB30 = RegisterValue; break;
106 	case 0x103c: reg->BB3C = RegisterValue; break;
107 	case 0x1048: reg->BB48 = RegisterValue; break;
108 	case 0x104c: reg->BB4C = RegisterValue; break;
109 	case 0x1050: reg->BB50 = RegisterValue; break;
110 	case 0x1054: reg->BB54 = RegisterValue; break;
111 	case 0x1058: reg->BB58 = RegisterValue; break;
112 	case 0x105c: reg->BB5C = RegisterValue; break;
113 	case 0x1060: reg->BB60 = RegisterValue; break;
114 	}
115 }
116 
117 /*
118  * true  : read command process successfully
119  * false : register not support
120  */
Wb35Reg_WriteSync(struct hw_data * pHwData,u16 RegisterNo,u32 RegisterValue)121 unsigned char Wb35Reg_WriteSync(struct hw_data *pHwData, u16 RegisterNo, u32 RegisterValue)
122 {
123 	struct wb35_reg *reg = &pHwData->reg;
124 	int ret = -1;
125 
126 	/* Module shutdown */
127 	if (pHwData->SurpriseRemove)
128 		return false;
129 
130 	RegisterValue = cpu_to_le32(RegisterValue);
131 
132 	/* update the register by send usb message */
133 	reg->SyncIoPause = 1;
134 
135 	/* Wait until EP0VM stop */
136 	while (reg->EP0vm_state != VM_STOP)
137 		msleep(10);
138 
139 	/* Sync IoCallDriver */
140 	reg->EP0vm_state = VM_RUNNING;
141 	ret = usb_control_msg(pHwData->udev,
142 			       usb_sndctrlpipe(pHwData->udev, 0),
143 			       0x03, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
144 			       0x0, RegisterNo, &RegisterValue, 4, HZ * 100);
145 	reg->EP0vm_state = VM_STOP;
146 	reg->SyncIoPause = 0;
147 
148 	Wb35Reg_EP0VM_start(pHwData);
149 
150 	if (ret < 0) {
151 		pr_debug("EP0 Write register usb message sending error\n");
152 		pHwData->SurpriseRemove = 1;
153 		return false;
154 	}
155 	return true;
156 }
157 
158 /*
159  * true  : read command process successfully
160  * false : register not support
161  */
Wb35Reg_Write(struct hw_data * pHwData,u16 RegisterNo,u32 RegisterValue)162 unsigned char Wb35Reg_Write(struct hw_data *pHwData, u16 RegisterNo, u32 RegisterValue)
163 {
164 	struct wb35_reg		*reg = &pHwData->reg;
165 	struct usb_ctrlrequest	*dr;
166 	struct urb		*urb = NULL;
167 	struct wb35_reg_queue	*reg_queue = NULL;
168 	u16			UrbSize;
169 
170 	/* Module shutdown */
171 	if (pHwData->SurpriseRemove)
172 		return false;
173 
174 	/* update the register by send urb request */
175 	UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest);
176 	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
177 	urb = usb_alloc_urb(0, GFP_ATOMIC);
178 	if (urb && reg_queue) {
179 		reg_queue->DIRECT = 1; /* burst write register */
180 		reg_queue->INDEX = RegisterNo;
181 		reg_queue->VALUE = cpu_to_le32(RegisterValue);
182 		reg_queue->RESERVED_VALID = false;
183 		dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue));
184 		dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE;
185 		dr->bRequest = 0x03; /* USB or vendor-defined request code, burst mode */
186 		dr->wValue = cpu_to_le16(0x0);
187 		dr->wIndex = cpu_to_le16(RegisterNo);
188 		dr->wLength = cpu_to_le16(4);
189 
190 		/* Enter the sending queue */
191 		reg_queue->Next = NULL;
192 		reg_queue->pUsbReq = dr;
193 		reg_queue->urb = urb;
194 
195 		spin_lock_irq(&reg->EP0VM_spin_lock);
196 		if (reg->reg_first == NULL)
197 			reg->reg_first = reg_queue;
198 		else
199 			reg->reg_last->Next = reg_queue;
200 		reg->reg_last = reg_queue;
201 
202 		spin_unlock_irq(&reg->EP0VM_spin_lock);
203 
204 		/* Start EP0VM */
205 		Wb35Reg_EP0VM_start(pHwData);
206 
207 		return true;
208 	} else {
209 		if (urb)
210 			usb_free_urb(urb);
211 		kfree(reg_queue);
212 		return false;
213 	}
214 }
215 
216 /*
217  * This command will be executed with a user defined value. When it completes,
218  * this value is useful. For example, hal_set_current_channel will use it.
219  * true  : read command process successfully
220  * false : register not support
221  */
Wb35Reg_WriteWithCallbackValue(struct hw_data * pHwData,u16 RegisterNo,u32 RegisterValue,s8 * pValue,s8 Len)222 unsigned char Wb35Reg_WriteWithCallbackValue(struct hw_data *pHwData,
223 						u16 RegisterNo,
224 						u32 RegisterValue,
225 						s8 *pValue,
226 						s8 Len)
227 {
228 	struct wb35_reg		*reg = &pHwData->reg;
229 	struct usb_ctrlrequest	*dr;
230 	struct urb		*urb = NULL;
231 	struct wb35_reg_queue	*reg_queue = NULL;
232 	u16			UrbSize;
233 
234 	/* Module shutdown */
235 	if (pHwData->SurpriseRemove)
236 		return false;
237 
238 	/* update the register by send urb request */
239 	UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest);
240 	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
241 	urb = usb_alloc_urb(0, GFP_ATOMIC);
242 	if (urb && reg_queue) {
243 		reg_queue->DIRECT = 1; /* burst write register */
244 		reg_queue->INDEX = RegisterNo;
245 		reg_queue->VALUE = cpu_to_le32(RegisterValue);
246 		/* NOTE : Users must guarantee the size of value will not exceed the buffer size. */
247 		memcpy(reg_queue->RESERVED, pValue, Len);
248 		reg_queue->RESERVED_VALID = true;
249 		dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue));
250 		dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE;
251 		dr->bRequest = 0x03; /* USB or vendor-defined request code, burst mode */
252 		dr->wValue = cpu_to_le16(0x0);
253 		dr->wIndex = cpu_to_le16(RegisterNo);
254 		dr->wLength = cpu_to_le16(4);
255 
256 		/* Enter the sending queue */
257 		reg_queue->Next = NULL;
258 		reg_queue->pUsbReq = dr;
259 		reg_queue->urb = urb;
260 		spin_lock_irq(&reg->EP0VM_spin_lock);
261 		if (reg->reg_first == NULL)
262 			reg->reg_first = reg_queue;
263 		else
264 			reg->reg_last->Next = reg_queue;
265 		reg->reg_last = reg_queue;
266 
267 		spin_unlock_irq(&reg->EP0VM_spin_lock);
268 
269 		/* Start EP0VM */
270 		Wb35Reg_EP0VM_start(pHwData);
271 		return true;
272 	} else {
273 		if (urb)
274 			usb_free_urb(urb);
275 		kfree(reg_queue);
276 		return false;
277 	}
278 }
279 
280 /*
281  * true  : read command process successfully
282  * false : register not support
283  * pRegisterValue : It must be a resident buffer due to
284  *		    asynchronous read register.
285  */
Wb35Reg_ReadSync(struct hw_data * pHwData,u16 RegisterNo,u32 * pRegisterValue)286 unsigned char Wb35Reg_ReadSync(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegisterValue)
287 {
288 	struct wb35_reg *reg = &pHwData->reg;
289 	u32		*pltmp = pRegisterValue;
290 	int		ret = -1;
291 
292 	/* Module shutdown */
293 	if (pHwData->SurpriseRemove)
294 		return false;
295 
296 	/* Read the register by send usb message */
297 	reg->SyncIoPause = 1;
298 
299 	/* Wait until EP0VM stop */
300 	while (reg->EP0vm_state != VM_STOP)
301 		msleep(10);
302 
303 	reg->EP0vm_state = VM_RUNNING;
304 	ret = usb_control_msg(pHwData->udev,
305 			       usb_rcvctrlpipe(pHwData->udev, 0),
306 			       0x01, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
307 			       0x0, RegisterNo, pltmp, 4, HZ * 100);
308 
309 	*pRegisterValue = cpu_to_le32(*pltmp);
310 
311 	reg->EP0vm_state = VM_STOP;
312 
313 	Wb35Reg_Update(pHwData, RegisterNo, *pRegisterValue);
314 	reg->SyncIoPause = 0;
315 
316 	Wb35Reg_EP0VM_start(pHwData);
317 
318 	if (ret < 0) {
319 		pr_debug("EP0 Read register usb message sending error\n");
320 		pHwData->SurpriseRemove = 1;
321 		return false;
322 	}
323 	return true;
324 }
325 
326 /*
327  * true  : read command process successfully
328  * false : register not support
329  * pRegisterValue : It must be a resident buffer due to
330  *		    asynchronous read register.
331  */
Wb35Reg_Read(struct hw_data * pHwData,u16 RegisterNo,u32 * pRegisterValue)332 unsigned char Wb35Reg_Read(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegisterValue)
333 {
334 	struct wb35_reg		*reg = &pHwData->reg;
335 	struct usb_ctrlrequest	*dr;
336 	struct urb		*urb;
337 	struct wb35_reg_queue	*reg_queue;
338 	u16			UrbSize;
339 
340 	/* Module shutdown */
341 	if (pHwData->SurpriseRemove)
342 		return false;
343 
344 	/* update the variable by send Urb to read register */
345 	UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest);
346 	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
347 	urb = usb_alloc_urb(0, GFP_ATOMIC);
348 	if (urb && reg_queue) {
349 		reg_queue->DIRECT = 0; /* read register */
350 		reg_queue->INDEX = RegisterNo;
351 		reg_queue->pBuffer = pRegisterValue;
352 		dr = (struct usb_ctrlrequest *)((u8 *)reg_queue + sizeof(struct wb35_reg_queue));
353 		dr->bRequestType = USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN;
354 		dr->bRequest = 0x01; /* USB or vendor-defined request code, burst mode */
355 		dr->wValue = cpu_to_le16(0x0);
356 		dr->wIndex = cpu_to_le16(RegisterNo);
357 		dr->wLength = cpu_to_le16(4);
358 
359 		/* Enter the sending queue */
360 		reg_queue->Next = NULL;
361 		reg_queue->pUsbReq = dr;
362 		reg_queue->urb = urb;
363 		spin_lock_irq(&reg->EP0VM_spin_lock);
364 		if (reg->reg_first == NULL)
365 			reg->reg_first = reg_queue;
366 		else
367 			reg->reg_last->Next = reg_queue;
368 		reg->reg_last = reg_queue;
369 
370 		spin_unlock_irq(&reg->EP0VM_spin_lock);
371 
372 		/* Start EP0VM */
373 		Wb35Reg_EP0VM_start(pHwData);
374 
375 		return true;
376 	} else {
377 		if (urb)
378 			usb_free_urb(urb);
379 		kfree(reg_queue);
380 		return false;
381 	}
382 }
383 
384 
Wb35Reg_EP0VM_start(struct hw_data * pHwData)385 void Wb35Reg_EP0VM_start(struct hw_data *pHwData)
386 {
387 	struct wb35_reg *reg = &pHwData->reg;
388 
389 	if (atomic_inc_return(&reg->RegFireCount) == 1) {
390 		reg->EP0vm_state = VM_RUNNING;
391 		Wb35Reg_EP0VM(pHwData);
392 	} else
393 		atomic_dec(&reg->RegFireCount);
394 }
395 
Wb35Reg_EP0VM(struct hw_data * pHwData)396 void Wb35Reg_EP0VM(struct hw_data *pHwData)
397 {
398 	struct wb35_reg		*reg = &pHwData->reg;
399 	struct urb		*urb;
400 	struct usb_ctrlrequest	*dr;
401 	u32			*pBuffer;
402 	int			ret = -1;
403 	struct wb35_reg_queue	*reg_queue;
404 
405 
406 	if (reg->SyncIoPause)
407 		goto cleanup;
408 
409 	if (pHwData->SurpriseRemove)
410 		goto cleanup;
411 
412 	/* Get the register data and send to USB through Irp */
413 	spin_lock_irq(&reg->EP0VM_spin_lock);
414 	reg_queue = reg->reg_first;
415 	spin_unlock_irq(&reg->EP0VM_spin_lock);
416 
417 	if (!reg_queue)
418 		goto cleanup;
419 
420 	/* Get an Urb, send it */
421 	urb = (struct urb *)reg_queue->urb;
422 
423 	dr = reg_queue->pUsbReq;
424 	urb = reg_queue->urb;
425 	pBuffer = reg_queue->pBuffer;
426 	if (reg_queue->DIRECT == 1) /* output */
427 		pBuffer = &reg_queue->VALUE;
428 
429 	usb_fill_control_urb(urb, pHwData->udev,
430 			      REG_DIRECTION(pHwData->udev, reg_queue),
431 			      (u8 *)dr, pBuffer, cpu_to_le16(dr->wLength),
432 			      Wb35Reg_EP0VM_complete, (void *)pHwData);
433 
434 	reg->EP0vm_state = VM_RUNNING;
435 
436 	ret = usb_submit_urb(urb, GFP_ATOMIC);
437 
438 	if (ret < 0) {
439 		pr_debug("EP0 Irp sending error\n");
440 		goto cleanup;
441 	}
442 	return;
443 
444  cleanup:
445 	reg->EP0vm_state = VM_STOP;
446 	atomic_dec(&reg->RegFireCount);
447 }
448 
449 
Wb35Reg_EP0VM_complete(struct urb * urb)450 void Wb35Reg_EP0VM_complete(struct urb *urb)
451 {
452 	struct hw_data		*pHwData = (struct hw_data *)urb->context;
453 	struct wb35_reg		*reg = &pHwData->reg;
454 	struct wb35_reg_queue	*reg_queue;
455 
456 
457 	/* Variable setting */
458 	reg->EP0vm_state = VM_COMPLETED;
459 	reg->EP0VM_status = urb->status;
460 
461 	if (pHwData->SurpriseRemove) { /* Let WbWlanHalt to handle surprise remove */
462 		reg->EP0vm_state = VM_STOP;
463 		atomic_dec(&reg->RegFireCount);
464 	} else {
465 		/* Complete to send, remove the URB from the first */
466 		spin_lock_irq(&reg->EP0VM_spin_lock);
467 		reg_queue = reg->reg_first;
468 		if (reg_queue == reg->reg_last)
469 			reg->reg_last = NULL;
470 		reg->reg_first = reg->reg_first->Next;
471 		spin_unlock_irq(&reg->EP0VM_spin_lock);
472 
473 		if (reg->EP0VM_status) {
474 			pr_debug("EP0 IoCompleteRoutine return error\n");
475 			reg->EP0vm_state = VM_STOP;
476 			pHwData->SurpriseRemove = 1;
477 		} else {
478 			/* Success. Update the result */
479 
480 			/* Start the next send */
481 			Wb35Reg_EP0VM(pHwData);
482 		}
483 
484 		kfree(reg_queue);
485 	}
486 
487 	usb_free_urb(urb);
488 }
489 
490 
Wb35Reg_destroy(struct hw_data * pHwData)491 void Wb35Reg_destroy(struct hw_data *pHwData)
492 {
493 	struct wb35_reg		*reg = &pHwData->reg;
494 	struct urb		*urb;
495 	struct wb35_reg_queue	*reg_queue;
496 
497 	Uxx_power_off_procedure(pHwData);
498 
499 	/* Wait for Reg operation completed */
500 	do {
501 		msleep(10); /* Delay for waiting function enter */
502 	} while (reg->EP0vm_state != VM_STOP);
503 	msleep(10);  /* Delay for waiting function enter */
504 
505 	/* Release all the data in RegQueue */
506 	spin_lock_irq(&reg->EP0VM_spin_lock);
507 	reg_queue = reg->reg_first;
508 	while (reg_queue) {
509 		if (reg_queue == reg->reg_last)
510 			reg->reg_last = NULL;
511 		reg->reg_first = reg->reg_first->Next;
512 
513 		urb = reg_queue->urb;
514 		spin_unlock_irq(&reg->EP0VM_spin_lock);
515 		if (urb) {
516 			usb_free_urb(urb);
517 			kfree(reg_queue);
518 		} else {
519 			pr_debug("EP0 queue release error\n");
520 		}
521 		spin_lock_irq(&reg->EP0VM_spin_lock);
522 
523 		reg_queue = reg->reg_first;
524 	}
525 	spin_unlock_irq(&reg->EP0VM_spin_lock);
526 }
527 
528 /*
529  * =======================================================================
530  * The function can be run in passive-level only.
531  * =========================================================================
532  */
Wb35Reg_initial(struct hw_data * pHwData)533 unsigned char Wb35Reg_initial(struct hw_data *pHwData)
534 {
535 	struct wb35_reg *reg = &pHwData->reg;
536 	u32 ltmp;
537 	u32 SoftwareSet, VCO_trim, TxVga, Region_ScanInterval;
538 
539 	/* Spin lock is acquired for read and write IRP command */
540 	spin_lock_init(&reg->EP0VM_spin_lock);
541 
542 	/* Getting RF module type from EEPROM */
543 	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x080d0000); /* Start EEPROM access + Read + address(0x0d) */
544 	Wb35Reg_ReadSync(pHwData, 0x03b4, &ltmp);
545 
546 	/* Update RF module type and determine the PHY type by inf or EEPROM */
547 	reg->EEPROMPhyType = (u8)(ltmp & 0xff);
548 	/*
549 	 * 0 V MAX2825, 1 V MAX2827, 2 V MAX2828, 3 V MAX2829
550 	 * 16V AL2230, 17 - AL7230, 18 - AL2230S
551 	 * 32 Reserved
552 	 * 33 - W89RF242(TxVGA 0~19), 34 - W89RF242(TxVGA 0~34)
553 	 */
554 	if (reg->EEPROMPhyType != RF_DECIDE_BY_INF) {
555 		if ((reg->EEPROMPhyType == RF_MAXIM_2825)	||
556 			(reg->EEPROMPhyType == RF_MAXIM_2827)	||
557 			(reg->EEPROMPhyType == RF_MAXIM_2828)	||
558 			(reg->EEPROMPhyType == RF_MAXIM_2829)	||
559 			(reg->EEPROMPhyType == RF_MAXIM_V1)	||
560 			(reg->EEPROMPhyType == RF_AIROHA_2230)	||
561 			(reg->EEPROMPhyType == RF_AIROHA_2230S)	||
562 			(reg->EEPROMPhyType == RF_AIROHA_7230)	||
563 			(reg->EEPROMPhyType == RF_WB_242)	||
564 			(reg->EEPROMPhyType == RF_WB_242_1))
565 			pHwData->phy_type = reg->EEPROMPhyType;
566 	}
567 
568 	/* Power On procedure running. The relative parameter will be set according to phy_type */
569 	Uxx_power_on_procedure(pHwData);
570 
571 	/* Reading MAC address */
572 	Uxx_ReadEthernetAddress(pHwData);
573 
574 	/* Read VCO trim for RF parameter */
575 	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08200000);
576 	Wb35Reg_ReadSync(pHwData, 0x03b4, &VCO_trim);
577 
578 	/* Read Antenna On/Off of software flag */
579 	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08210000);
580 	Wb35Reg_ReadSync(pHwData, 0x03b4, &SoftwareSet);
581 
582 	/* Read TXVGA */
583 	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x08100000);
584 	Wb35Reg_ReadSync(pHwData, 0x03b4, &TxVga);
585 
586 	/* Get Scan interval setting from EEPROM offset 0x1c */
587 	Wb35Reg_WriteSync(pHwData, 0x03b4, 0x081d0000);
588 	Wb35Reg_ReadSync(pHwData, 0x03b4, &Region_ScanInterval);
589 
590 	/* Update Ethernet address */
591 	memcpy(pHwData->CurrentMacAddress, pHwData->PermanentMacAddress, ETH_ALEN);
592 
593 	/* Update software variable */
594 	pHwData->SoftwareSet = (u16)(SoftwareSet & 0xffff);
595 	TxVga &= 0x000000ff;
596 	pHwData->PowerIndexFromEEPROM = (u8)TxVga;
597 	pHwData->VCO_trim = (u8)VCO_trim & 0xff;
598 	if (pHwData->VCO_trim == 0xff)
599 		pHwData->VCO_trim = 0x28;
600 
601 	reg->EEPROMRegion = (u8)(Region_ScanInterval >> 8);
602 	if (reg->EEPROMRegion < 1 || reg->EEPROMRegion > 6)
603 		reg->EEPROMRegion = REGION_AUTO;
604 
605 	/* For Get Tx VGA from EEPROM */
606 	GetTxVgaFromEEPROM(pHwData);
607 
608 	/* Set Scan Interval */
609 	pHwData->Scan_Interval = (u8)(Region_ScanInterval & 0xff) * 10;
610 	if ((pHwData->Scan_Interval == 2550) || (pHwData->Scan_Interval < 10)) /* Is default setting 0xff * 10 */
611 		pHwData->Scan_Interval = SCAN_MAX_CHNL_TIME;
612 
613 	/* Initial register */
614 	RFSynthesizer_initial(pHwData);
615 
616 	BBProcessor_initial(pHwData); /* Async write, must wait until complete */
617 
618 	Wb35Reg_phy_calibration(pHwData);
619 
620 	Mxx_initial(pHwData);
621 	Dxx_initial(pHwData);
622 
623 	if (pHwData->SurpriseRemove)
624 		return false;
625 	else
626 		return true; /* Initial fail */
627 }
628 
629 /*
630  * ================================================================
631  *  CardComputeCrc --
632  *
633  *  Description:
634  *    Runs the AUTODIN II CRC algorithm on buffer Buffer of length, Length.
635  *
636  *  Arguments:
637  *    Buffer - the input buffer
638  *    Length - the length of Buffer
639  *
640  *  Return Value:
641  *    The 32-bit CRC value.
642  * ===================================================================
643  */
CardComputeCrc(u8 * Buffer,u32 Length)644 u32 CardComputeCrc(u8 *Buffer, u32 Length)
645 {
646 	u32	Crc, Carry;
647 	u32	i, j;
648 	u8	CurByte;
649 
650 	Crc = 0xffffffff;
651 
652 	for (i = 0; i < Length; i++) {
653 		CurByte = Buffer[i];
654 		for (j = 0; j < 8; j++) {
655 			Carry = ((Crc & 0x80000000) ? 1 : 0) ^ (CurByte & 0x01);
656 			Crc <<= 1;
657 			CurByte >>= 1;
658 			if (Carry)
659 				Crc = (Crc ^ 0x04c11db6) | Carry;
660 		}
661 	}
662 	return Crc;
663 }
664 
665 
666 /*
667  * ==================================================================
668  * BitReverse --
669  *   Reverse the bits in the input argument, dwData, which is
670  *   regarded as a string of bits with the length, DataLength.
671  *
672  * Arguments:
673  *   dwData     :
674  *   DataLength :
675  *
676  * Return:
677  *   The converted value.
678  * ==================================================================
679  */
BitReverse(u32 dwData,u32 DataLength)680 u32 BitReverse(u32 dwData, u32 DataLength)
681 {
682 	u32	HalfLength, i, j;
683 	u32	BitA, BitB;
684 
685 	if (DataLength <= 0)
686 		return 0;	/* No conversion is done. */
687 	dwData = dwData & (0xffffffff >> (32 - DataLength));
688 
689 	HalfLength = DataLength / 2;
690 	for (i = 0, j = DataLength - 1; i < HalfLength; i++, j--) {
691 		BitA = GetBit(dwData, i);
692 		BitB = GetBit(dwData, j);
693 		if (BitA && !BitB) {
694 			dwData = ClearBit(dwData, i);
695 			dwData = SetBit(dwData, j);
696 		} else if (!BitA && BitB) {
697 			dwData = SetBit(dwData, i);
698 			dwData = ClearBit(dwData, j);
699 		} else {
700 			/* Do nothing since these two bits are of the save values. */
701 		}
702 	}
703 	return dwData;
704 }
705 
Wb35Reg_phy_calibration(struct hw_data * pHwData)706 void Wb35Reg_phy_calibration(struct hw_data *pHwData)
707 {
708 	u32	BB3c, BB54;
709 
710 	if ((pHwData->phy_type == RF_WB_242) ||
711 		(pHwData->phy_type == RF_WB_242_1)) {
712 		phy_calibration_winbond(pHwData, 2412); /* Sync operation */
713 		Wb35Reg_ReadSync(pHwData, 0x103c, &BB3c);
714 		Wb35Reg_ReadSync(pHwData, 0x1054, &BB54);
715 
716 		pHwData->BB3c_cal = BB3c;
717 		pHwData->BB54_cal = BB54;
718 
719 		RFSynthesizer_initial(pHwData);
720 		BBProcessor_initial(pHwData); /* Async operation */
721 
722 		Wb35Reg_WriteSync(pHwData, 0x103c, BB3c);
723 		Wb35Reg_WriteSync(pHwData, 0x1054, BB54);
724 	}
725 }
726 
727 
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