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29#define _HCI_OPS_OS_C_
30
31#include "osdep_service.h"
32#include "drv_types.h"
33#include "osdep_intf.h"
34#include "usb_ops.h"
35
36#define RTL871X_VENQT_READ 0xc0
37#define RTL871X_VENQT_WRITE 0x40
38
39struct zero_bulkout_context {
40 void *pbuf;
41 void *purb;
42 void *pirp;
43 void *padapter;
44};
45
46#define usb_write_cmd r8712_usb_write_mem
47#define usb_write_cmd_complete usb_write_mem_complete
48
49uint r8712_usb_init_intf_priv(struct intf_priv *pintfpriv)
50{
51 pintfpriv->piorw_urb = _usb_alloc_urb(0, GFP_ATOMIC);
52 if (!pintfpriv->piorw_urb)
53 return _FAIL;
54 sema_init(&(pintfpriv->io_retevt), 0);
55 return _SUCCESS;
56}
57
58void r8712_usb_unload_intf_priv(struct intf_priv *pintfpriv)
59{
60 if (pintfpriv->piorw_urb) {
61 usb_kill_urb(pintfpriv->piorw_urb);
62 usb_free_urb(pintfpriv->piorw_urb);
63 }
64}
65
66static unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr)
67{
68 unsigned int pipe = 0;
69 struct usb_device *pusbd = pdvobj->pusbdev;
70
71 if (pdvobj->nr_endpoint == 11) {
72 switch (addr) {
73 case RTL8712_DMA_BKQ:
74 pipe = usb_sndbulkpipe(pusbd, 0x07);
75 break;
76 case RTL8712_DMA_BEQ:
77 pipe = usb_sndbulkpipe(pusbd, 0x06);
78 break;
79 case RTL8712_DMA_VIQ:
80 pipe = usb_sndbulkpipe(pusbd, 0x05);
81 break;
82 case RTL8712_DMA_VOQ:
83 pipe = usb_sndbulkpipe(pusbd, 0x04);
84 break;
85 case RTL8712_DMA_BCNQ:
86 pipe = usb_sndbulkpipe(pusbd, 0x0a);
87 break;
88 case RTL8712_DMA_BMCQ:
89 pipe = usb_sndbulkpipe(pusbd, 0x0b);
90 break;
91 case RTL8712_DMA_MGTQ:
92 pipe = usb_sndbulkpipe(pusbd, 0x0c);
93 break;
94 case RTL8712_DMA_RX0FF:
95 pipe = usb_rcvbulkpipe(pusbd, 0x03);
96 break;
97 case RTL8712_DMA_C2HCMD:
98 pipe = usb_rcvbulkpipe(pusbd, 0x09);
99 break;
100 case RTL8712_DMA_H2CCMD:
101 pipe = usb_sndbulkpipe(pusbd, 0x0d);
102 break;
103 }
104 } else if (pdvobj->nr_endpoint == 6) {
105 switch (addr) {
106 case RTL8712_DMA_BKQ:
107 pipe = usb_sndbulkpipe(pusbd, 0x07);
108 break;
109 case RTL8712_DMA_BEQ:
110 pipe = usb_sndbulkpipe(pusbd, 0x06);
111 break;
112 case RTL8712_DMA_VIQ:
113 pipe = usb_sndbulkpipe(pusbd, 0x05);
114 break;
115 case RTL8712_DMA_VOQ:
116 pipe = usb_sndbulkpipe(pusbd, 0x04);
117 break;
118 case RTL8712_DMA_RX0FF:
119 case RTL8712_DMA_C2HCMD:
120 pipe = usb_rcvbulkpipe(pusbd, 0x03);
121 break;
122 case RTL8712_DMA_H2CCMD:
123 case RTL8712_DMA_BCNQ:
124 case RTL8712_DMA_BMCQ:
125 case RTL8712_DMA_MGTQ:
126 pipe = usb_sndbulkpipe(pusbd, 0x0d);
127 break;
128 }
129 } else if (pdvobj->nr_endpoint == 4) {
130 switch (addr) {
131 case RTL8712_DMA_BEQ:
132 pipe = usb_sndbulkpipe(pusbd, 0x06);
133 break;
134 case RTL8712_DMA_VOQ:
135 pipe = usb_sndbulkpipe(pusbd, 0x04);
136 break;
137 case RTL8712_DMA_RX0FF:
138 case RTL8712_DMA_C2HCMD:
139 pipe = usb_rcvbulkpipe(pusbd, 0x03);
140 break;
141 case RTL8712_DMA_H2CCMD:
142 case RTL8712_DMA_BCNQ:
143 case RTL8712_DMA_BMCQ:
144 case RTL8712_DMA_MGTQ:
145 pipe = usb_sndbulkpipe(pusbd, 0x0d);
146 break;
147 }
148 } else
149 pipe = 0;
150 return pipe;
151}
152
153static void usb_write_mem_complete(struct urb *purb)
154{
155 struct io_queue *pio_q = (struct io_queue *)purb->context;
156 struct intf_hdl *pintf = &(pio_q->intf);
157 struct intf_priv *pintfpriv = pintf->pintfpriv;
158 struct _adapter *padapter = (struct _adapter *)pintf->adapter;
159
160 if (purb->status != 0) {
161 if (purb->status == (-ESHUTDOWN))
162 padapter->bDriverStopped = true;
163 else
164 padapter->bSurpriseRemoved = true;
165 }
166 up(&pintfpriv->io_retevt);
167}
168
169void r8712_usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
170{
171 unsigned int pipe;
172 int status;
173 struct _adapter *padapter = (struct _adapter *)pintfhdl->adapter;
174 struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
175 struct io_queue *pio_queue = (struct io_queue *)padapter->pio_queue;
176 struct dvobj_priv *pdvobj = (struct dvobj_priv *)pintfpriv->intf_dev;
177 struct usb_device *pusbd = pdvobj->pusbdev;
178 struct urb *piorw_urb = pintfpriv->piorw_urb;
179
180 if ((padapter->bDriverStopped) || (padapter->bSurpriseRemoved) ||
181 (padapter->pwrctrlpriv.pnp_bstop_trx))
182 return;
183
184 pipe = ffaddr2pipehdl(pdvobj, addr);
185 if (pipe == 0)
186 return;
187 usb_fill_bulk_urb(piorw_urb, pusbd, pipe,
188 wmem, cnt, usb_write_mem_complete,
189 pio_queue);
190 status = _usb_submit_urb(piorw_urb, GFP_ATOMIC);
191 _down_sema(&pintfpriv->io_retevt);
192}
193
194static void r8712_usb_read_port_complete(struct urb *purb)
195{
196 uint isevt, *pbuf;
197 struct recv_buf *precvbuf = (struct recv_buf *)purb->context;
198 struct _adapter *padapter = (struct _adapter *)precvbuf->adapter;
199 struct recv_priv *precvpriv = &padapter->recvpriv;
200
201 if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
202 return;
203 if (purb->status == 0) {
204 if ((purb->actual_length > (MAX_RECVBUF_SZ)) ||
205 (purb->actual_length < RXDESC_SIZE)) {
206 precvbuf->reuse = true;
207 r8712_read_port(padapter, precvpriv->ff_hwaddr, 0,
208 (unsigned char *)precvbuf);
209 } else {
210 precvbuf->transfer_len = purb->actual_length;
211 pbuf = (uint *)precvbuf->pbuf;
212 isevt = le32_to_cpu(*(pbuf + 1)) & 0x1ff;
213 if ((isevt & 0x1ff) == 0x1ff) {
214 r8712_rxcmd_event_hdl(padapter, pbuf);
215 precvbuf->reuse = true;
216 r8712_read_port(padapter, precvpriv->ff_hwaddr,
217 0, (unsigned char *)precvbuf);
218 } else {
219 _pkt *pskb = precvbuf->pskb;
220 skb_put(pskb, purb->actual_length);
221 skb_queue_tail(&precvpriv->rx_skb_queue, pskb);
222 tasklet_hi_schedule(&precvpriv->recv_tasklet);
223 precvbuf->pskb = NULL;
224 precvbuf->reuse = false;
225 r8712_read_port(padapter, precvpriv->ff_hwaddr,
226 0, (unsigned char *)precvbuf);
227 }
228 }
229 } else {
230 switch (purb->status) {
231 case -EINVAL:
232 case -EPIPE:
233 case -ENODEV:
234 case -ESHUTDOWN:
235 case -ENOENT:
236 padapter->bDriverStopped = true;
237 break;
238 case -EPROTO:
239 precvbuf->reuse = true;
240 r8712_read_port(padapter, precvpriv->ff_hwaddr, 0,
241 (unsigned char *)precvbuf);
242 break;
243 case -EINPROGRESS:
244 printk(KERN_ERR "r8712u: ERROR: URB IS IN"
245 " PROGRESS!/n");
246 break;
247 default:
248 break;
249 }
250 }
251}
252
253u32 r8712_usb_read_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *rmem)
254{
255 unsigned int pipe;
256 int err;
257 u32 tmpaddr = 0;
258 int alignment = 0;
259 u32 ret = _SUCCESS;
260 struct urb *purb = NULL;
261 struct recv_buf *precvbuf = (struct recv_buf *)rmem;
262 struct intf_priv *pintfpriv = pintfhdl->pintfpriv;
263 struct dvobj_priv *pdvobj = (struct dvobj_priv *)pintfpriv->intf_dev;
264 struct _adapter *adapter = (struct _adapter *)pdvobj->padapter;
265 struct recv_priv *precvpriv = &adapter->recvpriv;
266 struct usb_device *pusbd = pdvobj->pusbdev;
267
268 if (adapter->bDriverStopped || adapter->bSurpriseRemoved ||
269 adapter->pwrctrlpriv.pnp_bstop_trx)
270 return _FAIL;
271 if ((precvbuf->reuse == false) || (precvbuf->pskb == NULL)) {
272 precvbuf->pskb = skb_dequeue(&precvpriv->free_recv_skb_queue);
273 if (NULL != precvbuf->pskb)
274 precvbuf->reuse = true;
275 }
276 if (precvbuf != NULL) {
277 r8712_init_recvbuf(adapter, precvbuf);
278
279 if ((precvbuf->reuse == false) || (precvbuf->pskb == NULL)) {
280 precvbuf->pskb = netdev_alloc_skb(adapter->pnetdev,
281 MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
282 if (precvbuf->pskb == NULL)
283 return _FAIL;
284 tmpaddr = (addr_t)precvbuf->pskb->data;
285 alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
286 skb_reserve(precvbuf->pskb,
287 (RECVBUFF_ALIGN_SZ - alignment));
288 precvbuf->phead = precvbuf->pskb->head;
289 precvbuf->pdata = precvbuf->pskb->data;
290 precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
291 precvbuf->pend = skb_end_pointer(precvbuf->pskb);
292 precvbuf->pbuf = precvbuf->pskb->data;
293 } else {
294 precvbuf->phead = precvbuf->pskb->head;
295 precvbuf->pdata = precvbuf->pskb->data;
296 precvbuf->ptail = skb_tail_pointer(precvbuf->pskb);
297 precvbuf->pend = skb_end_pointer(precvbuf->pskb);
298 precvbuf->pbuf = precvbuf->pskb->data;
299 precvbuf->reuse = false;
300 }
301 purb = precvbuf->purb;
302
303 pipe = ffaddr2pipehdl(pdvobj, addr);
304 usb_fill_bulk_urb(purb, pusbd, pipe,
305 precvbuf->pbuf, MAX_RECVBUF_SZ,
306 r8712_usb_read_port_complete,
307 precvbuf);
308 err = _usb_submit_urb(purb, GFP_ATOMIC);
309 if ((err) && (err != (-EPERM)))
310 ret = _FAIL;
311 } else
312 ret = _FAIL;
313 return ret;
314}
315
316void r8712_usb_read_port_cancel(struct _adapter *padapter)
317{
318 int i;
319 struct recv_buf *precvbuf;
320
321 precvbuf = (struct recv_buf *)padapter->recvpriv.precv_buf;
322 for (i = 0; i < NR_RECVBUFF; i++) {
323 if (precvbuf->purb)
324 usb_kill_urb(precvbuf->purb);
325 precvbuf++;
326 }
327}
328
329void r8712_xmit_bh(void *priv)
330{
331 int ret = false;
332 struct _adapter *padapter = (struct _adapter *)priv;
333 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
334
335 while (1) {
336 if ((padapter->bDriverStopped == true) ||
337 (padapter->bSurpriseRemoved == true)) {
338 printk(KERN_ERR "r8712u: xmit_bh => bDriverStopped"
339 " or bSurpriseRemoved\n");
340 break;
341 }
342 ret = r8712_xmitframe_complete(padapter, pxmitpriv, NULL);
343 if (ret == false)
344 break;
345 }
346}
347
348static void usb_write_port_complete(struct urb *purb)
349{
350 int i;
351 struct xmit_frame *pxmitframe = (struct xmit_frame *)purb->context;
352 struct xmit_buf *pxmitbuf = pxmitframe->pxmitbuf;
353 struct _adapter *padapter = pxmitframe->padapter;
354 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
355 struct pkt_attrib *pattrib = &pxmitframe->attrib;
356
357 switch (pattrib->priority) {
358 case 1:
359 case 2:
360 pxmitpriv->bkq_cnt--;
361 break;
362 case 4:
363 case 5:
364 pxmitpriv->viq_cnt--;
365 break;
366 case 6:
367 case 7:
368 pxmitpriv->voq_cnt--;
369 break;
370 case 0:
371 case 3:
372 default:
373 pxmitpriv->beq_cnt--;
374 break;
375 }
376 pxmitpriv->txirp_cnt--;
377 for (i = 0; i < 8; i++) {
378 if (purb == pxmitframe->pxmit_urb[i]) {
379 pxmitframe->bpending[i] = false;
380 break;
381 }
382 }
383 if (padapter->bSurpriseRemoved)
384 return;
385 switch (purb->status) {
386 case 0:
387 break;
388 default:
389 printk(KERN_WARNING "r8712u: pipe error: (%d)\n", purb->status);
390 break;
391 }
392
393 r8712_free_xmitframe_ex(pxmitpriv, pxmitframe);
394 r8712_free_xmitbuf(pxmitpriv, pxmitbuf);
395 tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
396}
397
398u32 r8712_usb_write_port(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem)
399{
400 unsigned long irqL;
401 int i, status;
402 unsigned int pipe;
403 u32 ret, bwritezero;
404 struct urb *purb = NULL;
405 struct _adapter *padapter = (struct _adapter *)pintfhdl->adapter;
406 struct dvobj_priv *pdvobj = (struct dvobj_priv *)&padapter->dvobjpriv;
407 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
408 struct xmit_frame *pxmitframe = (struct xmit_frame *)wmem;
409 struct usb_device *pusbd = pdvobj->pusbdev;
410 struct pkt_attrib *pattrib = &pxmitframe->attrib;
411
412 if ((padapter->bDriverStopped) || (padapter->bSurpriseRemoved) ||
413 (padapter->pwrctrlpriv.pnp_bstop_trx))
414 return _FAIL;
415 for (i = 0; i < 8; i++) {
416 if (pxmitframe->bpending[i] == false) {
417 spin_lock_irqsave(&pxmitpriv->lock, irqL);
418 pxmitpriv->txirp_cnt++;
419 pxmitframe->bpending[i] = true;
420 switch (pattrib->priority) {
421 case 1:
422 case 2:
423 pxmitpriv->bkq_cnt++;
424 break;
425 case 4:
426 case 5:
427 pxmitpriv->viq_cnt++;
428 break;
429 case 6:
430 case 7:
431 pxmitpriv->voq_cnt++;
432 break;
433 case 0:
434 case 3:
435 default:
436 pxmitpriv->beq_cnt++;
437 break;
438 }
439 spin_unlock_irqrestore(&pxmitpriv->lock, irqL);
440 pxmitframe->sz[i] = (u16)cnt;
441 purb = pxmitframe->pxmit_urb[i];
442 break;
443 }
444 }
445 bwritezero = false;
446 if (pdvobj->ishighspeed) {
447 if (cnt > 0 && cnt % 512 == 0)
448 bwritezero = true;
449 } else {
450 if (cnt > 0 && cnt % 64 == 0)
451 bwritezero = true;
452 }
453
454 pipe = ffaddr2pipehdl(pdvobj, addr);
455 if (pxmitpriv->free_xmitbuf_cnt%NR_XMITBUFF == 0)
456 purb->transfer_flags &= (~URB_NO_INTERRUPT);
457 else
458 purb->transfer_flags |= URB_NO_INTERRUPT;
459 if (bwritezero)
460 cnt += 8;
461 usb_fill_bulk_urb(purb, pusbd, pipe,
462 pxmitframe->mem_addr,
463 cnt, usb_write_port_complete,
464 pxmitframe);
465 status = _usb_submit_urb(purb, GFP_ATOMIC);
466 if (!status)
467 ret = _SUCCESS;
468 else
469 ret = _FAIL;
470 return ret;
471}
472
473void r8712_usb_write_port_cancel(struct _adapter *padapter)
474{
475 int i, j;
476 struct xmit_buf *pxmitbuf = (struct xmit_buf *)
477 padapter->xmitpriv.pxmitbuf;
478
479 for (i = 0; i < NR_XMITBUFF; i++) {
480 for (j = 0; j < 8; j++) {
481 if (pxmitbuf->pxmit_urb[j])
482 usb_kill_urb(pxmitbuf->pxmit_urb[j]);
483 }
484 pxmitbuf++;
485 }
486}
487
488int r8712_usbctrl_vendorreq(struct intf_priv *pintfpriv, u8 request, u16 value,
489 u16 index, void *pdata, u16 len, u8 requesttype)
490{
491 unsigned int pipe;
492 int status;
493 u8 reqtype;
494 struct dvobj_priv *pdvobjpriv = (struct dvobj_priv *)
495 pintfpriv->intf_dev;
496 struct usb_device *udev = pdvobjpriv->pusbdev;
497
498
499
500 u8 *palloc_buf, *pIo_buf;
501
502 palloc_buf = _malloc((u32) len + 16);
503 if (palloc_buf == NULL) {
504 printk(KERN_ERR "r8712u: [%s] Can't alloc memory for vendor"
505 " request\n", __func__);
506 return -1;
507 }
508 pIo_buf = palloc_buf + 16 - ((addr_t)(palloc_buf) & 0x0f);
509 if (requesttype == 0x01) {
510 pipe = usb_rcvctrlpipe(udev, 0);
511 reqtype = RTL871X_VENQT_READ;
512 } else {
513 pipe = usb_sndctrlpipe(udev, 0);
514 reqtype = RTL871X_VENQT_WRITE;
515 memcpy(pIo_buf, pdata, len);
516 }
517 status = usb_control_msg(udev, pipe, request, reqtype, value, index,
518 pIo_buf, len, HZ / 2);
519 if (status > 0) {
520 if (requesttype == 0x01) {
521
522
523
524 memcpy(pdata, pIo_buf, status);
525 }
526 }
527 kfree(palloc_buf);
528 return status;
529}
530
