]>
Commit | Line | Data |
---|---|---|
132ff4e5 BZ |
1 | /** |
2 | * Marvell Bluetooth driver | |
3 | * | |
4 | * Copyright (C) 2009, Marvell International Ltd. | |
5 | * | |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * | |
15 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
17 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
18 | * this warranty disclaimer. | |
19 | **/ | |
20 | ||
21 | #include <net/bluetooth/bluetooth.h> | |
22 | #include <net/bluetooth/hci_core.h> | |
23 | ||
24 | #include "btmrvl_drv.h" | |
25 | ||
26 | #define VERSION "1.0" | |
27 | ||
28 | /* | |
29 | * This function is called by interface specific interrupt handler. | |
30 | * It updates Power Save & Host Sleep states, and wakes up the main | |
31 | * thread. | |
32 | */ | |
33 | void btmrvl_interrupt(struct btmrvl_private *priv) | |
34 | { | |
132ff4e5 BZ |
35 | priv->adapter->ps_state = PS_AWAKE; |
36 | ||
37 | priv->adapter->wakeup_tries = 0; | |
38 | ||
39 | priv->adapter->int_count++; | |
40 | ||
41 | wake_up_interruptible(&priv->main_thread.wait_q); | |
132ff4e5 BZ |
42 | } |
43 | EXPORT_SYMBOL_GPL(btmrvl_interrupt); | |
44 | ||
45 | void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb) | |
46 | { | |
4271e08d | 47 | struct hci_event_hdr *hdr = (void *) skb->data; |
132ff4e5 BZ |
48 | struct hci_ev_cmd_complete *ec; |
49 | u16 opcode, ocf; | |
50 | ||
132ff4e5 | 51 | if (hdr->evt == HCI_EV_CMD_COMPLETE) { |
4271e08d | 52 | ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE); |
132ff4e5 BZ |
53 | opcode = __le16_to_cpu(ec->opcode); |
54 | ocf = hci_opcode_ocf(opcode); | |
4271e08d MH |
55 | if (ocf == BT_CMD_MODULE_CFG_REQ && |
56 | priv->btmrvl_dev.sendcmdflag) { | |
132ff4e5 BZ |
57 | priv->btmrvl_dev.sendcmdflag = false; |
58 | priv->adapter->cmd_complete = true; | |
59 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
60 | } | |
61 | } | |
132ff4e5 BZ |
62 | } |
63 | EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt); | |
64 | ||
65 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb) | |
66 | { | |
67 | struct btmrvl_adapter *adapter = priv->adapter; | |
132ff4e5 | 68 | struct btmrvl_event *event; |
4271e08d | 69 | u8 ret = 0; |
132ff4e5 | 70 | |
132ff4e5 BZ |
71 | event = (struct btmrvl_event *) skb->data; |
72 | if (event->ec != 0xff) { | |
73 | BT_DBG("Not Marvell Event=%x", event->ec); | |
74 | ret = -EINVAL; | |
75 | goto exit; | |
76 | } | |
77 | ||
78 | switch (event->data[0]) { | |
79 | case BT_CMD_AUTO_SLEEP_MODE: | |
80 | if (!event->data[2]) { | |
81 | if (event->data[1] == BT_PS_ENABLE) | |
82 | adapter->psmode = 1; | |
83 | else | |
84 | adapter->psmode = 0; | |
85 | BT_DBG("PS Mode:%s", | |
86 | (adapter->psmode) ? "Enable" : "Disable"); | |
87 | } else { | |
88 | BT_DBG("PS Mode command failed"); | |
89 | } | |
90 | break; | |
91 | ||
92 | case BT_CMD_HOST_SLEEP_CONFIG: | |
93 | if (!event->data[3]) | |
94 | BT_DBG("gpio=%x, gap=%x", event->data[1], | |
4271e08d | 95 | event->data[2]); |
132ff4e5 BZ |
96 | else |
97 | BT_DBG("HSCFG command failed"); | |
98 | break; | |
99 | ||
100 | case BT_CMD_HOST_SLEEP_ENABLE: | |
101 | if (!event->data[1]) { | |
102 | adapter->hs_state = HS_ACTIVATED; | |
103 | if (adapter->psmode) | |
104 | adapter->ps_state = PS_SLEEP; | |
105 | wake_up_interruptible(&adapter->cmd_wait_q); | |
106 | BT_DBG("HS ACTIVATED!"); | |
107 | } else { | |
108 | BT_DBG("HS Enable failed"); | |
109 | } | |
110 | break; | |
111 | ||
112 | case BT_CMD_MODULE_CFG_REQ: | |
4271e08d MH |
113 | if (priv->btmrvl_dev.sendcmdflag && |
114 | event->data[1] == MODULE_BRINGUP_REQ) { | |
132ff4e5 BZ |
115 | BT_DBG("EVENT:%s", (event->data[2]) ? |
116 | "Bring-up failed" : "Bring-up succeed"); | |
4271e08d MH |
117 | } else if (priv->btmrvl_dev.sendcmdflag && |
118 | event->data[1] == MODULE_SHUTDOWN_REQ) { | |
132ff4e5 BZ |
119 | BT_DBG("EVENT:%s", (event->data[2]) ? |
120 | "Shutdown failed" : "Shutdown succeed"); | |
121 | } else { | |
122 | BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP"); | |
123 | ret = -EINVAL; | |
124 | } | |
125 | break; | |
126 | ||
127 | case BT_EVENT_POWER_STATE: | |
128 | if (event->data[1] == BT_PS_SLEEP) | |
129 | adapter->ps_state = PS_SLEEP; | |
130 | BT_DBG("EVENT:%s", | |
131 | (adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE"); | |
132 | break; | |
133 | ||
134 | default: | |
135 | BT_DBG("Unknown Event=%d", event->data[0]); | |
136 | ret = -EINVAL; | |
137 | break; | |
138 | } | |
139 | ||
140 | exit: | |
141 | if (!ret) | |
142 | kfree_skb(skb); | |
143 | ||
132ff4e5 BZ |
144 | return ret; |
145 | } | |
146 | EXPORT_SYMBOL_GPL(btmrvl_process_event); | |
147 | ||
148 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd) | |
149 | { | |
4271e08d | 150 | struct sk_buff *skb; |
132ff4e5 | 151 | struct btmrvl_cmd *cmd; |
9374253f | 152 | int ret = 0; |
132ff4e5 BZ |
153 | |
154 | skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC); | |
155 | if (skb == NULL) { | |
156 | BT_ERR("No free skb"); | |
9374253f | 157 | return -ENOMEM; |
132ff4e5 BZ |
158 | } |
159 | ||
e0721f99 | 160 | cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd)); |
91d69730 | 161 | cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_MODULE_CFG_REQ)); |
132ff4e5 BZ |
162 | cmd->length = 1; |
163 | cmd->data[0] = subcmd; | |
164 | ||
165 | bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT; | |
166 | ||
4271e08d | 167 | skb->dev = (void *) priv->btmrvl_dev.hcidev; |
132ff4e5 BZ |
168 | skb_queue_head(&priv->adapter->tx_queue, skb); |
169 | ||
170 | priv->btmrvl_dev.sendcmdflag = true; | |
171 | ||
172 | priv->adapter->cmd_complete = false; | |
173 | ||
174 | BT_DBG("Queue module cfg Command"); | |
175 | ||
176 | wake_up_interruptible(&priv->main_thread.wait_q); | |
177 | ||
4271e08d MH |
178 | if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
179 | priv->adapter->cmd_complete, | |
180 | msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) { | |
132ff4e5 BZ |
181 | ret = -ETIMEDOUT; |
182 | BT_ERR("module_cfg_cmd(%x): timeout: %d", | |
4271e08d | 183 | subcmd, priv->btmrvl_dev.sendcmdflag); |
132ff4e5 BZ |
184 | } |
185 | ||
186 | BT_DBG("module cfg Command done"); | |
187 | ||
132ff4e5 BZ |
188 | return ret; |
189 | } | |
190 | EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd); | |
191 | ||
32fd6398 AK |
192 | int btmrvl_enable_ps(struct btmrvl_private *priv) |
193 | { | |
194 | struct sk_buff *skb; | |
195 | struct btmrvl_cmd *cmd; | |
196 | ||
197 | skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC); | |
198 | if (skb == NULL) { | |
199 | BT_ERR("No free skb"); | |
200 | return -ENOMEM; | |
201 | } | |
202 | ||
203 | cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd)); | |
204 | cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, | |
205 | BT_CMD_AUTO_SLEEP_MODE)); | |
206 | cmd->length = 1; | |
207 | ||
208 | if (priv->btmrvl_dev.psmode) | |
209 | cmd->data[0] = BT_PS_ENABLE; | |
210 | else | |
211 | cmd->data[0] = BT_PS_DISABLE; | |
212 | ||
213 | bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT; | |
214 | ||
215 | skb->dev = (void *) priv->btmrvl_dev.hcidev; | |
216 | skb_queue_head(&priv->adapter->tx_queue, skb); | |
217 | ||
218 | BT_DBG("Queue PSMODE Command:%d", cmd->data[0]); | |
219 | ||
220 | return 0; | |
221 | } | |
222 | EXPORT_SYMBOL_GPL(btmrvl_enable_ps); | |
223 | ||
132ff4e5 BZ |
224 | static int btmrvl_enable_hs(struct btmrvl_private *priv) |
225 | { | |
4271e08d | 226 | struct sk_buff *skb; |
132ff4e5 | 227 | struct btmrvl_cmd *cmd; |
9374253f | 228 | int ret = 0; |
132ff4e5 BZ |
229 | |
230 | skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC); | |
231 | if (skb == NULL) { | |
232 | BT_ERR("No free skb"); | |
9374253f | 233 | return -ENOMEM; |
132ff4e5 BZ |
234 | } |
235 | ||
e0721f99 | 236 | cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd)); |
91d69730 | 237 | cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_HOST_SLEEP_ENABLE)); |
132ff4e5 BZ |
238 | cmd->length = 0; |
239 | ||
240 | bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT; | |
241 | ||
4271e08d | 242 | skb->dev = (void *) priv->btmrvl_dev.hcidev; |
132ff4e5 BZ |
243 | skb_queue_head(&priv->adapter->tx_queue, skb); |
244 | ||
245 | BT_DBG("Queue hs enable Command"); | |
246 | ||
247 | wake_up_interruptible(&priv->main_thread.wait_q); | |
248 | ||
4271e08d | 249 | if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
132ff4e5 BZ |
250 | priv->adapter->hs_state, |
251 | msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED))) { | |
252 | ret = -ETIMEDOUT; | |
4271e08d MH |
253 | BT_ERR("timeout: %d, %d,%d", priv->adapter->hs_state, |
254 | priv->adapter->ps_state, | |
255 | priv->adapter->wakeup_tries); | |
132ff4e5 BZ |
256 | } |
257 | ||
132ff4e5 BZ |
258 | return ret; |
259 | } | |
260 | ||
261 | int btmrvl_prepare_command(struct btmrvl_private *priv) | |
262 | { | |
263 | struct sk_buff *skb = NULL; | |
132ff4e5 | 264 | struct btmrvl_cmd *cmd; |
9374253f | 265 | int ret = 0; |
132ff4e5 BZ |
266 | |
267 | if (priv->btmrvl_dev.hscfgcmd) { | |
268 | priv->btmrvl_dev.hscfgcmd = 0; | |
269 | ||
270 | skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC); | |
271 | if (skb == NULL) { | |
272 | BT_ERR("No free skb"); | |
9374253f | 273 | return -ENOMEM; |
132ff4e5 BZ |
274 | } |
275 | ||
e0721f99 | 276 | cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd)); |
91d69730 | 277 | cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_HOST_SLEEP_CONFIG)); |
132ff4e5 BZ |
278 | cmd->length = 2; |
279 | cmd->data[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; | |
280 | cmd->data[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff); | |
281 | ||
282 | bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT; | |
283 | ||
4271e08d | 284 | skb->dev = (void *) priv->btmrvl_dev.hcidev; |
132ff4e5 BZ |
285 | skb_queue_head(&priv->adapter->tx_queue, skb); |
286 | ||
287 | BT_DBG("Queue HSCFG Command, gpio=0x%x, gap=0x%x", | |
4271e08d | 288 | cmd->data[0], cmd->data[1]); |
132ff4e5 BZ |
289 | } |
290 | ||
291 | if (priv->btmrvl_dev.pscmd) { | |
292 | priv->btmrvl_dev.pscmd = 0; | |
32fd6398 | 293 | btmrvl_enable_ps(priv); |
132ff4e5 BZ |
294 | } |
295 | ||
296 | if (priv->btmrvl_dev.hscmd) { | |
297 | priv->btmrvl_dev.hscmd = 0; | |
298 | ||
299 | if (priv->btmrvl_dev.hsmode) { | |
300 | ret = btmrvl_enable_hs(priv); | |
301 | } else { | |
302 | ret = priv->hw_wakeup_firmware(priv); | |
303 | priv->adapter->hs_state = HS_DEACTIVATED; | |
304 | } | |
305 | } | |
306 | ||
132ff4e5 BZ |
307 | return ret; |
308 | } | |
309 | ||
310 | static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) | |
311 | { | |
9374253f | 312 | int ret = 0; |
132ff4e5 | 313 | |
9374253f | 314 | if (!skb || !skb->data) |
132ff4e5 | 315 | return -EINVAL; |
132ff4e5 BZ |
316 | |
317 | if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { | |
318 | BT_ERR("Tx Error: Bad skb length %d : %d", | |
4271e08d | 319 | skb->len, BTM_UPLD_SIZE); |
132ff4e5 BZ |
320 | return -EINVAL; |
321 | } | |
322 | ||
323 | if (skb_headroom(skb) < BTM_HEADER_LEN) { | |
324 | struct sk_buff *tmp = skb; | |
325 | ||
326 | skb = skb_realloc_headroom(skb, BTM_HEADER_LEN); | |
327 | if (!skb) { | |
328 | BT_ERR("Tx Error: realloc_headroom failed %d", | |
329 | BTM_HEADER_LEN); | |
330 | skb = tmp; | |
132ff4e5 BZ |
331 | return -EINVAL; |
332 | } | |
333 | ||
334 | kfree_skb(tmp); | |
335 | } | |
336 | ||
337 | skb_push(skb, BTM_HEADER_LEN); | |
338 | ||
339 | /* header type: byte[3] | |
340 | * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor | |
341 | * header length: byte[2][1][0] | |
342 | */ | |
343 | ||
344 | skb->data[0] = (skb->len & 0x0000ff); | |
345 | skb->data[1] = (skb->len & 0x00ff00) >> 8; | |
346 | skb->data[2] = (skb->len & 0xff0000) >> 16; | |
347 | skb->data[3] = bt_cb(skb)->pkt_type; | |
348 | ||
349 | if (priv->hw_host_to_card) | |
350 | ret = priv->hw_host_to_card(priv, skb->data, skb->len); | |
351 | ||
132ff4e5 BZ |
352 | return ret; |
353 | } | |
354 | ||
355 | static void btmrvl_init_adapter(struct btmrvl_private *priv) | |
356 | { | |
132ff4e5 BZ |
357 | skb_queue_head_init(&priv->adapter->tx_queue); |
358 | ||
359 | priv->adapter->ps_state = PS_AWAKE; | |
360 | ||
361 | init_waitqueue_head(&priv->adapter->cmd_wait_q); | |
132ff4e5 BZ |
362 | } |
363 | ||
364 | static void btmrvl_free_adapter(struct btmrvl_private *priv) | |
365 | { | |
132ff4e5 BZ |
366 | skb_queue_purge(&priv->adapter->tx_queue); |
367 | ||
368 | kfree(priv->adapter); | |
369 | ||
370 | priv->adapter = NULL; | |
132ff4e5 BZ |
371 | } |
372 | ||
4271e08d MH |
373 | static int btmrvl_ioctl(struct hci_dev *hdev, |
374 | unsigned int cmd, unsigned long arg) | |
132ff4e5 | 375 | { |
132ff4e5 BZ |
376 | return -ENOIOCTLCMD; |
377 | } | |
378 | ||
379 | static void btmrvl_destruct(struct hci_dev *hdev) | |
380 | { | |
132ff4e5 BZ |
381 | } |
382 | ||
383 | static int btmrvl_send_frame(struct sk_buff *skb) | |
384 | { | |
4271e08d | 385 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
132ff4e5 BZ |
386 | struct btmrvl_private *priv = NULL; |
387 | ||
9374253f | 388 | BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len); |
132ff4e5 BZ |
389 | |
390 | if (!hdev || !hdev->driver_data) { | |
391 | BT_ERR("Frame for unknown HCI device"); | |
132ff4e5 BZ |
392 | return -ENODEV; |
393 | } | |
394 | ||
4271e08d | 395 | priv = (struct btmrvl_private *) hdev->driver_data; |
132ff4e5 BZ |
396 | if (!test_bit(HCI_RUNNING, &hdev->flags)) { |
397 | BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags); | |
398 | print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET, | |
4271e08d | 399 | skb->data, skb->len); |
132ff4e5 BZ |
400 | return -EBUSY; |
401 | } | |
402 | ||
403 | switch (bt_cb(skb)->pkt_type) { | |
404 | case HCI_COMMAND_PKT: | |
405 | hdev->stat.cmd_tx++; | |
406 | break; | |
407 | ||
408 | case HCI_ACLDATA_PKT: | |
409 | hdev->stat.acl_tx++; | |
410 | break; | |
411 | ||
412 | case HCI_SCODATA_PKT: | |
413 | hdev->stat.sco_tx++; | |
414 | break; | |
415 | } | |
416 | ||
417 | skb_queue_tail(&priv->adapter->tx_queue, skb); | |
418 | ||
419 | wake_up_interruptible(&priv->main_thread.wait_q); | |
420 | ||
132ff4e5 BZ |
421 | return 0; |
422 | } | |
423 | ||
424 | static int btmrvl_flush(struct hci_dev *hdev) | |
425 | { | |
4271e08d | 426 | struct btmrvl_private *priv = hdev->driver_data; |
132ff4e5 | 427 | |
132ff4e5 BZ |
428 | skb_queue_purge(&priv->adapter->tx_queue); |
429 | ||
132ff4e5 BZ |
430 | return 0; |
431 | } | |
432 | ||
433 | static int btmrvl_close(struct hci_dev *hdev) | |
434 | { | |
4271e08d | 435 | struct btmrvl_private *priv = hdev->driver_data; |
132ff4e5 | 436 | |
9374253f | 437 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
132ff4e5 | 438 | return 0; |
132ff4e5 BZ |
439 | |
440 | skb_queue_purge(&priv->adapter->tx_queue); | |
441 | ||
132ff4e5 BZ |
442 | return 0; |
443 | } | |
444 | ||
445 | static int btmrvl_open(struct hci_dev *hdev) | |
446 | { | |
132ff4e5 BZ |
447 | set_bit(HCI_RUNNING, &hdev->flags); |
448 | ||
132ff4e5 BZ |
449 | return 0; |
450 | } | |
451 | ||
452 | /* | |
453 | * This function handles the event generated by firmware, rx data | |
454 | * received from firmware, and tx data sent from kernel. | |
455 | */ | |
456 | static int btmrvl_service_main_thread(void *data) | |
457 | { | |
458 | struct btmrvl_thread *thread = data; | |
459 | struct btmrvl_private *priv = thread->priv; | |
460 | struct btmrvl_adapter *adapter = priv->adapter; | |
461 | wait_queue_t wait; | |
462 | struct sk_buff *skb; | |
463 | ulong flags; | |
464 | ||
132ff4e5 BZ |
465 | init_waitqueue_entry(&wait, current); |
466 | ||
467 | current->flags |= PF_NOFREEZE; | |
468 | ||
469 | for (;;) { | |
470 | add_wait_queue(&thread->wait_q, &wait); | |
471 | ||
472 | set_current_state(TASK_INTERRUPTIBLE); | |
473 | ||
474 | if (adapter->wakeup_tries || | |
4271e08d MH |
475 | ((!adapter->int_count) && |
476 | (!priv->btmrvl_dev.tx_dnld_rdy || | |
477 | skb_queue_empty(&adapter->tx_queue)))) { | |
132ff4e5 BZ |
478 | BT_DBG("main_thread is sleeping..."); |
479 | schedule(); | |
480 | } | |
481 | ||
482 | set_current_state(TASK_RUNNING); | |
483 | ||
484 | remove_wait_queue(&thread->wait_q, &wait); | |
485 | ||
486 | BT_DBG("main_thread woke up"); | |
487 | ||
488 | if (kthread_should_stop()) { | |
489 | BT_DBG("main_thread: break from main thread"); | |
490 | break; | |
491 | } | |
492 | ||
493 | spin_lock_irqsave(&priv->driver_lock, flags); | |
494 | if (adapter->int_count) { | |
495 | adapter->int_count = 0; | |
4271e08d MH |
496 | } else if (adapter->ps_state == PS_SLEEP && |
497 | !skb_queue_empty(&adapter->tx_queue)) { | |
132ff4e5 BZ |
498 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
499 | adapter->wakeup_tries++; | |
500 | priv->hw_wakeup_firmware(priv); | |
501 | continue; | |
502 | } | |
503 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
504 | ||
505 | if (adapter->ps_state == PS_SLEEP) | |
506 | continue; | |
507 | ||
508 | if (!priv->btmrvl_dev.tx_dnld_rdy) | |
509 | continue; | |
510 | ||
511 | skb = skb_dequeue(&adapter->tx_queue); | |
512 | if (skb) { | |
513 | if (btmrvl_tx_pkt(priv, skb)) | |
514 | priv->btmrvl_dev.hcidev->stat.err_tx++; | |
515 | else | |
4271e08d | 516 | priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
132ff4e5 BZ |
517 | |
518 | kfree_skb(skb); | |
519 | } | |
520 | } | |
521 | ||
132ff4e5 BZ |
522 | return 0; |
523 | } | |
524 | ||
525 | struct btmrvl_private *btmrvl_add_card(void *card) | |
526 | { | |
527 | struct hci_dev *hdev = NULL; | |
4271e08d | 528 | struct btmrvl_private *priv; |
132ff4e5 BZ |
529 | int ret; |
530 | ||
132ff4e5 BZ |
531 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
532 | if (!priv) { | |
533 | BT_ERR("Can not allocate priv"); | |
534 | goto err_priv; | |
535 | } | |
536 | ||
537 | priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); | |
538 | if (!priv->adapter) { | |
539 | BT_ERR("Allocate buffer for btmrvl_adapter failed!"); | |
540 | goto err_adapter; | |
541 | } | |
542 | ||
543 | btmrvl_init_adapter(priv); | |
544 | ||
545 | hdev = hci_alloc_dev(); | |
546 | if (!hdev) { | |
547 | BT_ERR("Can not allocate HCI device"); | |
548 | goto err_hdev; | |
549 | } | |
550 | ||
551 | BT_DBG("Starting kthread..."); | |
552 | priv->main_thread.priv = priv; | |
553 | spin_lock_init(&priv->driver_lock); | |
554 | ||
555 | init_waitqueue_head(&priv->main_thread.wait_q); | |
556 | priv->main_thread.task = kthread_run(btmrvl_service_main_thread, | |
4271e08d | 557 | &priv->main_thread, "btmrvl_main_service"); |
132ff4e5 BZ |
558 | |
559 | priv->btmrvl_dev.hcidev = hdev; | |
560 | priv->btmrvl_dev.card = card; | |
561 | ||
562 | hdev->driver_data = priv; | |
563 | ||
564 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
565 | ||
566 | hdev->type = HCI_SDIO; | |
567 | hdev->open = btmrvl_open; | |
568 | hdev->close = btmrvl_close; | |
569 | hdev->flush = btmrvl_flush; | |
570 | hdev->send = btmrvl_send_frame; | |
571 | hdev->destruct = btmrvl_destruct; | |
572 | hdev->ioctl = btmrvl_ioctl; | |
573 | hdev->owner = THIS_MODULE; | |
574 | ||
575 | ret = hci_register_dev(hdev); | |
576 | if (ret < 0) { | |
577 | BT_ERR("Can not register HCI device"); | |
578 | goto err_hci_register_dev; | |
579 | } | |
580 | ||
fb784f05 BZ |
581 | #ifdef CONFIG_DEBUG_FS |
582 | btmrvl_debugfs_init(hdev); | |
583 | #endif | |
584 | ||
132ff4e5 BZ |
585 | return priv; |
586 | ||
587 | err_hci_register_dev: | |
588 | /* Stop the thread servicing the interrupts */ | |
589 | kthread_stop(priv->main_thread.task); | |
590 | ||
591 | hci_free_dev(hdev); | |
592 | ||
593 | err_hdev: | |
594 | btmrvl_free_adapter(priv); | |
595 | ||
596 | err_adapter: | |
597 | kfree(priv); | |
598 | ||
599 | err_priv: | |
132ff4e5 BZ |
600 | return NULL; |
601 | } | |
602 | EXPORT_SYMBOL_GPL(btmrvl_add_card); | |
603 | ||
604 | int btmrvl_remove_card(struct btmrvl_private *priv) | |
605 | { | |
606 | struct hci_dev *hdev; | |
607 | ||
132ff4e5 BZ |
608 | hdev = priv->btmrvl_dev.hcidev; |
609 | ||
610 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
611 | ||
612 | kthread_stop(priv->main_thread.task); | |
613 | ||
fb784f05 BZ |
614 | #ifdef CONFIG_DEBUG_FS |
615 | btmrvl_debugfs_remove(hdev); | |
616 | #endif | |
617 | ||
132ff4e5 BZ |
618 | hci_unregister_dev(hdev); |
619 | ||
620 | hci_free_dev(hdev); | |
621 | ||
622 | priv->btmrvl_dev.hcidev = NULL; | |
623 | ||
624 | btmrvl_free_adapter(priv); | |
625 | ||
626 | kfree(priv); | |
627 | ||
132ff4e5 BZ |
628 | return 0; |
629 | } | |
630 | EXPORT_SYMBOL_GPL(btmrvl_remove_card); | |
631 | ||
632 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 633 | MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
132ff4e5 BZ |
634 | MODULE_VERSION(VERSION); |
635 | MODULE_LICENSE("GPL v2"); |