Commit | Line | Data |
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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 | ||
a59b968e | 21 | #include <linux/module.h> |
433a9389 | 22 | #include <linux/of.h> |
132ff4e5 BZ |
23 | #include <net/bluetooth/bluetooth.h> |
24 | #include <net/bluetooth/hci_core.h> | |
25 | ||
26 | #include "btmrvl_drv.h" | |
0d367408 | 27 | #include "btmrvl_sdio.h" |
132ff4e5 BZ |
28 | |
29 | #define VERSION "1.0" | |
30 | ||
31 | /* | |
32 | * This function is called by interface specific interrupt handler. | |
33 | * It updates Power Save & Host Sleep states, and wakes up the main | |
34 | * thread. | |
35 | */ | |
36 | void btmrvl_interrupt(struct btmrvl_private *priv) | |
37 | { | |
132ff4e5 BZ |
38 | priv->adapter->ps_state = PS_AWAKE; |
39 | ||
40 | priv->adapter->wakeup_tries = 0; | |
41 | ||
42 | priv->adapter->int_count++; | |
43 | ||
44 | wake_up_interruptible(&priv->main_thread.wait_q); | |
132ff4e5 BZ |
45 | } |
46 | EXPORT_SYMBOL_GPL(btmrvl_interrupt); | |
47 | ||
ea1e76a3 | 48 | bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb) |
132ff4e5 | 49 | { |
4271e08d | 50 | struct hci_event_hdr *hdr = (void *) skb->data; |
132ff4e5 | 51 | |
132ff4e5 | 52 | if (hdr->evt == HCI_EV_CMD_COMPLETE) { |
2c2453f3 | 53 | struct hci_ev_cmd_complete *ec; |
3e4543ab | 54 | u16 opcode; |
2c2453f3 | 55 | |
4271e08d | 56 | ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE); |
132ff4e5 | 57 | opcode = __le16_to_cpu(ec->opcode); |
ea1e76a3 | 58 | |
c037874c | 59 | if (priv->btmrvl_dev.sendcmdflag) { |
132ff4e5 BZ |
60 | priv->btmrvl_dev.sendcmdflag = false; |
61 | priv->adapter->cmd_complete = true; | |
62 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
ea1e76a3 | 63 | |
d986b4a6 AK |
64 | if (hci_opcode_ogf(opcode) == 0x3F) { |
65 | BT_DBG("vendor event skipped: opcode=%#4.4x", | |
66 | opcode); | |
67 | kfree_skb(skb); | |
68 | return false; | |
69 | } | |
ea1e76a3 | 70 | } |
132ff4e5 | 71 | } |
ea1e76a3 AE |
72 | |
73 | return true; | |
132ff4e5 BZ |
74 | } |
75 | EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt); | |
76 | ||
77 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb) | |
78 | { | |
79 | struct btmrvl_adapter *adapter = priv->adapter; | |
132ff4e5 | 80 | struct btmrvl_event *event; |
31f085fe | 81 | int ret = 0; |
132ff4e5 | 82 | |
132ff4e5 BZ |
83 | event = (struct btmrvl_event *) skb->data; |
84 | if (event->ec != 0xff) { | |
85 | BT_DBG("Not Marvell Event=%x", event->ec); | |
86 | ret = -EINVAL; | |
87 | goto exit; | |
88 | } | |
89 | ||
90 | switch (event->data[0]) { | |
3e4543ab | 91 | case BT_EVENT_AUTO_SLEEP_MODE: |
132ff4e5 BZ |
92 | if (!event->data[2]) { |
93 | if (event->data[1] == BT_PS_ENABLE) | |
94 | adapter->psmode = 1; | |
95 | else | |
96 | adapter->psmode = 0; | |
97 | BT_DBG("PS Mode:%s", | |
98 | (adapter->psmode) ? "Enable" : "Disable"); | |
99 | } else { | |
100 | BT_DBG("PS Mode command failed"); | |
101 | } | |
102 | break; | |
103 | ||
3e4543ab | 104 | case BT_EVENT_HOST_SLEEP_CONFIG: |
132ff4e5 BZ |
105 | if (!event->data[3]) |
106 | BT_DBG("gpio=%x, gap=%x", event->data[1], | |
4271e08d | 107 | event->data[2]); |
132ff4e5 BZ |
108 | else |
109 | BT_DBG("HSCFG command failed"); | |
110 | break; | |
111 | ||
3e4543ab | 112 | case BT_EVENT_HOST_SLEEP_ENABLE: |
132ff4e5 BZ |
113 | if (!event->data[1]) { |
114 | adapter->hs_state = HS_ACTIVATED; | |
115 | if (adapter->psmode) | |
116 | adapter->ps_state = PS_SLEEP; | |
396e04f4 | 117 | wake_up_interruptible(&adapter->event_hs_wait_q); |
132ff4e5 BZ |
118 | BT_DBG("HS ACTIVATED!"); |
119 | } else { | |
120 | BT_DBG("HS Enable failed"); | |
121 | } | |
122 | break; | |
123 | ||
3e4543ab | 124 | case BT_EVENT_MODULE_CFG_REQ: |
4271e08d MH |
125 | if (priv->btmrvl_dev.sendcmdflag && |
126 | event->data[1] == MODULE_BRINGUP_REQ) { | |
903c8437 BZ |
127 | BT_DBG("EVENT:%s", |
128 | ((event->data[2] == MODULE_BROUGHT_UP) || | |
129 | (event->data[2] == MODULE_ALREADY_UP)) ? | |
130 | "Bring-up succeed" : "Bring-up failed"); | |
f120c6b6 | 131 | |
8f1e1742 DV |
132 | if (event->length > 3 && event->data[3]) |
133 | priv->btmrvl_dev.dev_type = HCI_AMP; | |
f120c6b6 BZ |
134 | else |
135 | priv->btmrvl_dev.dev_type = HCI_BREDR; | |
136 | ||
137 | BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type); | |
4271e08d MH |
138 | } else if (priv->btmrvl_dev.sendcmdflag && |
139 | event->data[1] == MODULE_SHUTDOWN_REQ) { | |
132ff4e5 BZ |
140 | BT_DBG("EVENT:%s", (event->data[2]) ? |
141 | "Shutdown failed" : "Shutdown succeed"); | |
142 | } else { | |
143 | BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP"); | |
144 | ret = -EINVAL; | |
145 | } | |
146 | break; | |
147 | ||
148 | case BT_EVENT_POWER_STATE: | |
149 | if (event->data[1] == BT_PS_SLEEP) | |
150 | adapter->ps_state = PS_SLEEP; | |
151 | BT_DBG("EVENT:%s", | |
152 | (adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE"); | |
153 | break; | |
154 | ||
155 | default: | |
156 | BT_DBG("Unknown Event=%d", event->data[0]); | |
157 | ret = -EINVAL; | |
158 | break; | |
159 | } | |
160 | ||
161 | exit: | |
162 | if (!ret) | |
163 | kfree_skb(skb); | |
164 | ||
132ff4e5 BZ |
165 | return ret; |
166 | } | |
167 | EXPORT_SYMBOL_GPL(btmrvl_process_event); | |
168 | ||
3e4543ab | 169 | static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode, |
c037874c | 170 | const void *param, u8 len) |
132ff4e5 | 171 | { |
4271e08d | 172 | struct sk_buff *skb; |
7d5b400c | 173 | struct hci_command_hdr *hdr; |
132ff4e5 | 174 | |
7d5b400c | 175 | skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC); |
132ff4e5 BZ |
176 | if (skb == NULL) { |
177 | BT_ERR("No free skb"); | |
9374253f | 178 | return -ENOMEM; |
132ff4e5 BZ |
179 | } |
180 | ||
7d5b400c | 181 | hdr = (struct hci_command_hdr *)skb_put(skb, HCI_COMMAND_HDR_SIZE); |
3e4543ab | 182 | hdr->opcode = cpu_to_le16(opcode); |
7d5b400c | 183 | hdr->plen = len; |
c037874c AK |
184 | |
185 | if (len) | |
7d5b400c | 186 | memcpy(skb_put(skb, len), param, len); |
132ff4e5 BZ |
187 | |
188 | bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT; | |
189 | ||
132ff4e5 BZ |
190 | skb_queue_head(&priv->adapter->tx_queue, skb); |
191 | ||
192 | priv->btmrvl_dev.sendcmdflag = true; | |
193 | ||
194 | priv->adapter->cmd_complete = false; | |
195 | ||
132ff4e5 BZ |
196 | wake_up_interruptible(&priv->main_thread.wait_q); |
197 | ||
4271e08d MH |
198 | if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
199 | priv->adapter->cmd_complete, | |
c037874c AK |
200 | msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) |
201 | return -ETIMEDOUT; | |
202 | ||
203 | return 0; | |
204 | } | |
132ff4e5 | 205 | |
7125df53 | 206 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd) |
c037874c AK |
207 | { |
208 | int ret; | |
209 | ||
210 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1); | |
211 | if (ret) | |
212 | BT_ERR("module_cfg_cmd(%x) failed\n", subcmd); | |
132ff4e5 | 213 | |
132ff4e5 BZ |
214 | return ret; |
215 | } | |
216 | EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd); | |
217 | ||
4df82b59 BZ |
218 | int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd) |
219 | { | |
220 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
221 | int ret; | |
222 | ||
223 | if (!card->support_pscan_win_report) | |
224 | return 0; | |
225 | ||
226 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE, | |
227 | &subcmd, 1); | |
228 | if (ret) | |
229 | BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret); | |
230 | ||
231 | return ret; | |
232 | } | |
233 | EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting); | |
234 | ||
2a8ff611 AK |
235 | int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv) |
236 | { | |
c037874c AK |
237 | int ret; |
238 | u8 param[2]; | |
2a8ff611 | 239 | |
c037874c AK |
240 | param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; |
241 | param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2a8ff611 | 242 | |
c037874c AK |
243 | BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x", |
244 | param[0], param[1]); | |
2a8ff611 | 245 | |
c037874c AK |
246 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2); |
247 | if (ret) | |
248 | BT_ERR("HSCFG command failed\n"); | |
2a8ff611 | 249 | |
c037874c | 250 | return ret; |
2a8ff611 AK |
251 | } |
252 | EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd); | |
253 | ||
32fd6398 AK |
254 | int btmrvl_enable_ps(struct btmrvl_private *priv) |
255 | { | |
c037874c AK |
256 | int ret; |
257 | u8 param; | |
32fd6398 AK |
258 | |
259 | if (priv->btmrvl_dev.psmode) | |
c037874c | 260 | param = BT_PS_ENABLE; |
32fd6398 | 261 | else |
c037874c | 262 | param = BT_PS_DISABLE; |
32fd6398 | 263 | |
c037874c AK |
264 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, ¶m, 1); |
265 | if (ret) | |
266 | BT_ERR("PSMODE command failed\n"); | |
32fd6398 AK |
267 | |
268 | return 0; | |
269 | } | |
270 | EXPORT_SYMBOL_GPL(btmrvl_enable_ps); | |
271 | ||
ba54a16f | 272 | int btmrvl_enable_hs(struct btmrvl_private *priv) |
132ff4e5 | 273 | { |
396e04f4 | 274 | struct btmrvl_adapter *adapter = priv->adapter; |
c037874c | 275 | int ret; |
132ff4e5 | 276 | |
c037874c | 277 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0); |
396e04f4 | 278 | if (ret) { |
c037874c | 279 | BT_ERR("Host sleep enable command failed\n"); |
396e04f4 CRL |
280 | return ret; |
281 | } | |
282 | ||
283 | ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q, | |
284 | adapter->hs_state, | |
285 | msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED)); | |
286 | if (ret < 0) { | |
287 | BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d", | |
288 | ret, adapter->hs_state, adapter->ps_state, | |
289 | adapter->wakeup_tries); | |
290 | } else if (!ret) { | |
291 | BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state, | |
292 | adapter->ps_state, adapter->wakeup_tries); | |
293 | ret = -ETIMEDOUT; | |
294 | } else { | |
295 | BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state, | |
296 | adapter->ps_state, adapter->wakeup_tries); | |
297 | ret = 0; | |
298 | } | |
132ff4e5 | 299 | |
132ff4e5 BZ |
300 | return ret; |
301 | } | |
ba54a16f | 302 | EXPORT_SYMBOL_GPL(btmrvl_enable_hs); |
132ff4e5 BZ |
303 | |
304 | int btmrvl_prepare_command(struct btmrvl_private *priv) | |
305 | { | |
9374253f | 306 | int ret = 0; |
132ff4e5 BZ |
307 | |
308 | if (priv->btmrvl_dev.hscfgcmd) { | |
309 | priv->btmrvl_dev.hscfgcmd = 0; | |
2a8ff611 | 310 | btmrvl_send_hscfg_cmd(priv); |
132ff4e5 BZ |
311 | } |
312 | ||
313 | if (priv->btmrvl_dev.pscmd) { | |
314 | priv->btmrvl_dev.pscmd = 0; | |
32fd6398 | 315 | btmrvl_enable_ps(priv); |
132ff4e5 BZ |
316 | } |
317 | ||
318 | if (priv->btmrvl_dev.hscmd) { | |
319 | priv->btmrvl_dev.hscmd = 0; | |
320 | ||
321 | if (priv->btmrvl_dev.hsmode) { | |
322 | ret = btmrvl_enable_hs(priv); | |
323 | } else { | |
324 | ret = priv->hw_wakeup_firmware(priv); | |
325 | priv->adapter->hs_state = HS_DEACTIVATED; | |
326 | } | |
327 | } | |
328 | ||
132ff4e5 BZ |
329 | return ret; |
330 | } | |
331 | ||
332 | static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) | |
333 | { | |
9374253f | 334 | int ret = 0; |
132ff4e5 | 335 | |
9374253f | 336 | if (!skb || !skb->data) |
132ff4e5 | 337 | return -EINVAL; |
132ff4e5 BZ |
338 | |
339 | if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { | |
340 | BT_ERR("Tx Error: Bad skb length %d : %d", | |
4271e08d | 341 | skb->len, BTM_UPLD_SIZE); |
132ff4e5 BZ |
342 | return -EINVAL; |
343 | } | |
344 | ||
345 | if (skb_headroom(skb) < BTM_HEADER_LEN) { | |
346 | struct sk_buff *tmp = skb; | |
347 | ||
348 | skb = skb_realloc_headroom(skb, BTM_HEADER_LEN); | |
349 | if (!skb) { | |
350 | BT_ERR("Tx Error: realloc_headroom failed %d", | |
351 | BTM_HEADER_LEN); | |
352 | skb = tmp; | |
132ff4e5 BZ |
353 | return -EINVAL; |
354 | } | |
355 | ||
356 | kfree_skb(tmp); | |
357 | } | |
358 | ||
359 | skb_push(skb, BTM_HEADER_LEN); | |
360 | ||
361 | /* header type: byte[3] | |
362 | * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor | |
363 | * header length: byte[2][1][0] | |
364 | */ | |
365 | ||
366 | skb->data[0] = (skb->len & 0x0000ff); | |
367 | skb->data[1] = (skb->len & 0x00ff00) >> 8; | |
368 | skb->data[2] = (skb->len & 0xff0000) >> 16; | |
369 | skb->data[3] = bt_cb(skb)->pkt_type; | |
370 | ||
371 | if (priv->hw_host_to_card) | |
372 | ret = priv->hw_host_to_card(priv, skb->data, skb->len); | |
373 | ||
132ff4e5 BZ |
374 | return ret; |
375 | } | |
376 | ||
377 | static void btmrvl_init_adapter(struct btmrvl_private *priv) | |
378 | { | |
0d367408 BZ |
379 | int buf_size; |
380 | ||
132ff4e5 BZ |
381 | skb_queue_head_init(&priv->adapter->tx_queue); |
382 | ||
383 | priv->adapter->ps_state = PS_AWAKE; | |
384 | ||
0d367408 BZ |
385 | buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN); |
386 | priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL); | |
387 | if (!priv->adapter->hw_regs_buf) { | |
388 | priv->adapter->hw_regs = NULL; | |
389 | BT_ERR("Unable to allocate buffer for hw_regs."); | |
390 | } else { | |
391 | priv->adapter->hw_regs = | |
392 | (u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf, | |
393 | BTSDIO_DMA_ALIGN); | |
394 | BT_DBG("hw_regs_buf=%p hw_regs=%p", | |
395 | priv->adapter->hw_regs_buf, priv->adapter->hw_regs); | |
396 | } | |
397 | ||
132ff4e5 | 398 | init_waitqueue_head(&priv->adapter->cmd_wait_q); |
396e04f4 | 399 | init_waitqueue_head(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
400 | } |
401 | ||
402 | static void btmrvl_free_adapter(struct btmrvl_private *priv) | |
403 | { | |
132ff4e5 BZ |
404 | skb_queue_purge(&priv->adapter->tx_queue); |
405 | ||
0d367408 | 406 | kfree(priv->adapter->hw_regs_buf); |
132ff4e5 BZ |
407 | kfree(priv->adapter); |
408 | ||
409 | priv->adapter = NULL; | |
132ff4e5 BZ |
410 | } |
411 | ||
7bd8f09f | 412 | static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
132ff4e5 | 413 | { |
7648d28f | 414 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 415 | |
9374253f | 416 | BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len); |
132ff4e5 | 417 | |
132ff4e5 BZ |
418 | if (!test_bit(HCI_RUNNING, &hdev->flags)) { |
419 | BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags); | |
420 | print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET, | |
4271e08d | 421 | skb->data, skb->len); |
132ff4e5 BZ |
422 | return -EBUSY; |
423 | } | |
424 | ||
425 | switch (bt_cb(skb)->pkt_type) { | |
426 | case HCI_COMMAND_PKT: | |
427 | hdev->stat.cmd_tx++; | |
428 | break; | |
429 | ||
430 | case HCI_ACLDATA_PKT: | |
431 | hdev->stat.acl_tx++; | |
432 | break; | |
433 | ||
434 | case HCI_SCODATA_PKT: | |
435 | hdev->stat.sco_tx++; | |
436 | break; | |
437 | } | |
438 | ||
439 | skb_queue_tail(&priv->adapter->tx_queue, skb); | |
440 | ||
441 | wake_up_interruptible(&priv->main_thread.wait_q); | |
442 | ||
132ff4e5 BZ |
443 | return 0; |
444 | } | |
445 | ||
446 | static int btmrvl_flush(struct hci_dev *hdev) | |
447 | { | |
155961e8 | 448 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 449 | |
132ff4e5 BZ |
450 | skb_queue_purge(&priv->adapter->tx_queue); |
451 | ||
132ff4e5 BZ |
452 | return 0; |
453 | } | |
454 | ||
455 | static int btmrvl_close(struct hci_dev *hdev) | |
456 | { | |
155961e8 | 457 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 458 | |
9374253f | 459 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
132ff4e5 | 460 | return 0; |
132ff4e5 BZ |
461 | |
462 | skb_queue_purge(&priv->adapter->tx_queue); | |
463 | ||
132ff4e5 BZ |
464 | return 0; |
465 | } | |
466 | ||
467 | static int btmrvl_open(struct hci_dev *hdev) | |
468 | { | |
132ff4e5 BZ |
469 | set_bit(HCI_RUNNING, &hdev->flags); |
470 | ||
132ff4e5 BZ |
471 | return 0; |
472 | } | |
473 | ||
433a9389 | 474 | static int btmrvl_download_cal_data(struct btmrvl_private *priv, |
8a4934f1 | 475 | u8 *data, int len) |
2cc86890 | 476 | { |
8a4934f1 | 477 | int ret; |
2cc86890 AK |
478 | |
479 | data[0] = 0x00; | |
480 | data[1] = 0x00; | |
481 | data[2] = 0x00; | |
8a4934f1 | 482 | data[3] = len; |
2cc86890 AK |
483 | |
484 | print_hex_dump_bytes("Calibration data: ", | |
8a4934f1 | 485 | DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len); |
2cc86890 AK |
486 | |
487 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data, | |
8a4934f1 | 488 | BT_CAL_HDR_LEN + len); |
2cc86890 AK |
489 | if (ret) |
490 | BT_ERR("Failed to download caibration data\n"); | |
491 | ||
492 | return 0; | |
493 | } | |
494 | ||
433a9389 | 495 | static int btmrvl_cal_data_dt(struct btmrvl_private *priv) |
2cc86890 | 496 | { |
433a9389 | 497 | struct device_node *dt_node; |
8a4934f1 | 498 | u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE]; |
433a9389 BZ |
499 | const char name[] = "btmrvl_caldata"; |
500 | const char property[] = "btmrvl,caldata"; | |
2cc86890 AK |
501 | int ret; |
502 | ||
433a9389 BZ |
503 | dt_node = of_find_node_by_name(NULL, name); |
504 | if (!dt_node) | |
505 | return -ENODEV; | |
506 | ||
8a4934f1 BZ |
507 | ret = of_property_read_u8_array(dt_node, property, |
508 | cal_data + BT_CAL_HDR_LEN, | |
509 | BT_CAL_DATA_SIZE); | |
2cc86890 AK |
510 | if (ret) |
511 | return ret; | |
512 | ||
433a9389 | 513 | BT_DBG("Use cal data from device tree"); |
8a4934f1 | 514 | ret = btmrvl_download_cal_data(priv, cal_data, BT_CAL_DATA_SIZE); |
2cc86890 | 515 | if (ret) { |
433a9389 | 516 | BT_ERR("Fail to download calibrate data"); |
2cc86890 AK |
517 | return ret; |
518 | } | |
519 | ||
520 | return 0; | |
521 | } | |
522 | ||
4b245722 AK |
523 | static int btmrvl_setup(struct hci_dev *hdev) |
524 | { | |
525 | struct btmrvl_private *priv = hci_get_drvdata(hdev); | |
526 | ||
527 | btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ); | |
528 | ||
433a9389 | 529 | btmrvl_cal_data_dt(priv); |
2cc86890 | 530 | |
4df82b59 BZ |
531 | btmrvl_pscan_window_reporting(priv, 0x01); |
532 | ||
4b245722 AK |
533 | priv->btmrvl_dev.psmode = 1; |
534 | btmrvl_enable_ps(priv); | |
535 | ||
536 | priv->btmrvl_dev.gpio_gap = 0xffff; | |
537 | btmrvl_send_hscfg_cmd(priv); | |
538 | ||
539 | return 0; | |
540 | } | |
541 | ||
132ff4e5 BZ |
542 | /* |
543 | * This function handles the event generated by firmware, rx data | |
544 | * received from firmware, and tx data sent from kernel. | |
545 | */ | |
546 | static int btmrvl_service_main_thread(void *data) | |
547 | { | |
548 | struct btmrvl_thread *thread = data; | |
549 | struct btmrvl_private *priv = thread->priv; | |
550 | struct btmrvl_adapter *adapter = priv->adapter; | |
551 | wait_queue_t wait; | |
552 | struct sk_buff *skb; | |
553 | ulong flags; | |
554 | ||
132ff4e5 BZ |
555 | init_waitqueue_entry(&wait, current); |
556 | ||
132ff4e5 BZ |
557 | for (;;) { |
558 | add_wait_queue(&thread->wait_q, &wait); | |
559 | ||
560 | set_current_state(TASK_INTERRUPTIBLE); | |
ea05fea9 DD |
561 | if (kthread_should_stop()) { |
562 | BT_DBG("main_thread: break from main thread"); | |
563 | break; | |
564 | } | |
132ff4e5 BZ |
565 | |
566 | if (adapter->wakeup_tries || | |
4271e08d MH |
567 | ((!adapter->int_count) && |
568 | (!priv->btmrvl_dev.tx_dnld_rdy || | |
569 | skb_queue_empty(&adapter->tx_queue)))) { | |
132ff4e5 BZ |
570 | BT_DBG("main_thread is sleeping..."); |
571 | schedule(); | |
572 | } | |
573 | ||
574 | set_current_state(TASK_RUNNING); | |
575 | ||
576 | remove_wait_queue(&thread->wait_q, &wait); | |
577 | ||
578 | BT_DBG("main_thread woke up"); | |
579 | ||
132ff4e5 BZ |
580 | spin_lock_irqsave(&priv->driver_lock, flags); |
581 | if (adapter->int_count) { | |
582 | adapter->int_count = 0; | |
d1d10d78 AK |
583 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
584 | priv->hw_process_int_status(priv); | |
4271e08d MH |
585 | } else if (adapter->ps_state == PS_SLEEP && |
586 | !skb_queue_empty(&adapter->tx_queue)) { | |
132ff4e5 BZ |
587 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
588 | adapter->wakeup_tries++; | |
589 | priv->hw_wakeup_firmware(priv); | |
590 | continue; | |
d1d10d78 AK |
591 | } else { |
592 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
132ff4e5 | 593 | } |
132ff4e5 BZ |
594 | |
595 | if (adapter->ps_state == PS_SLEEP) | |
596 | continue; | |
597 | ||
598 | if (!priv->btmrvl_dev.tx_dnld_rdy) | |
599 | continue; | |
600 | ||
601 | skb = skb_dequeue(&adapter->tx_queue); | |
602 | if (skb) { | |
603 | if (btmrvl_tx_pkt(priv, skb)) | |
604 | priv->btmrvl_dev.hcidev->stat.err_tx++; | |
605 | else | |
4271e08d | 606 | priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
132ff4e5 BZ |
607 | |
608 | kfree_skb(skb); | |
609 | } | |
610 | } | |
611 | ||
132ff4e5 BZ |
612 | return 0; |
613 | } | |
614 | ||
64061607 | 615 | int btmrvl_register_hdev(struct btmrvl_private *priv) |
132ff4e5 BZ |
616 | { |
617 | struct hci_dev *hdev = NULL; | |
132ff4e5 BZ |
618 | int ret; |
619 | ||
132ff4e5 BZ |
620 | hdev = hci_alloc_dev(); |
621 | if (!hdev) { | |
622 | BT_ERR("Can not allocate HCI device"); | |
623 | goto err_hdev; | |
624 | } | |
625 | ||
132ff4e5 | 626 | priv->btmrvl_dev.hcidev = hdev; |
155961e8 | 627 | hci_set_drvdata(hdev, priv); |
132ff4e5 | 628 | |
e93ac9c0 MH |
629 | hdev->bus = HCI_SDIO; |
630 | hdev->open = btmrvl_open; | |
132ff4e5 BZ |
631 | hdev->close = btmrvl_close; |
632 | hdev->flush = btmrvl_flush; | |
e93ac9c0 | 633 | hdev->send = btmrvl_send_frame; |
4b245722 | 634 | hdev->setup = btmrvl_setup; |
64061607 | 635 | |
f120c6b6 BZ |
636 | hdev->dev_type = priv->btmrvl_dev.dev_type; |
637 | ||
132ff4e5 BZ |
638 | ret = hci_register_dev(hdev); |
639 | if (ret < 0) { | |
640 | BT_ERR("Can not register HCI device"); | |
641 | goto err_hci_register_dev; | |
642 | } | |
643 | ||
fb784f05 BZ |
644 | #ifdef CONFIG_DEBUG_FS |
645 | btmrvl_debugfs_init(hdev); | |
646 | #endif | |
647 | ||
64061607 | 648 | return 0; |
132ff4e5 BZ |
649 | |
650 | err_hci_register_dev: | |
132ff4e5 BZ |
651 | hci_free_dev(hdev); |
652 | ||
653 | err_hdev: | |
64061607 BZ |
654 | /* Stop the thread servicing the interrupts */ |
655 | kthread_stop(priv->main_thread.task); | |
656 | ||
132ff4e5 | 657 | btmrvl_free_adapter(priv); |
64061607 BZ |
658 | kfree(priv); |
659 | ||
660 | return -ENOMEM; | |
661 | } | |
662 | EXPORT_SYMBOL_GPL(btmrvl_register_hdev); | |
663 | ||
664 | struct btmrvl_private *btmrvl_add_card(void *card) | |
665 | { | |
666 | struct btmrvl_private *priv; | |
667 | ||
668 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
669 | if (!priv) { | |
670 | BT_ERR("Can not allocate priv"); | |
671 | goto err_priv; | |
672 | } | |
673 | ||
674 | priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); | |
675 | if (!priv->adapter) { | |
676 | BT_ERR("Allocate buffer for btmrvl_adapter failed!"); | |
677 | goto err_adapter; | |
678 | } | |
679 | ||
680 | btmrvl_init_adapter(priv); | |
681 | ||
682 | BT_DBG("Starting kthread..."); | |
683 | priv->main_thread.priv = priv; | |
684 | spin_lock_init(&priv->driver_lock); | |
685 | ||
686 | init_waitqueue_head(&priv->main_thread.wait_q); | |
687 | priv->main_thread.task = kthread_run(btmrvl_service_main_thread, | |
688 | &priv->main_thread, "btmrvl_main_service"); | |
689 | ||
690 | priv->btmrvl_dev.card = card; | |
691 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
692 | ||
693 | return priv; | |
132ff4e5 BZ |
694 | |
695 | err_adapter: | |
696 | kfree(priv); | |
697 | ||
698 | err_priv: | |
132ff4e5 BZ |
699 | return NULL; |
700 | } | |
701 | EXPORT_SYMBOL_GPL(btmrvl_add_card); | |
702 | ||
703 | int btmrvl_remove_card(struct btmrvl_private *priv) | |
704 | { | |
705 | struct hci_dev *hdev; | |
706 | ||
132ff4e5 BZ |
707 | hdev = priv->btmrvl_dev.hcidev; |
708 | ||
709 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
396e04f4 | 710 | wake_up_interruptible(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
711 | |
712 | kthread_stop(priv->main_thread.task); | |
713 | ||
fb784f05 BZ |
714 | #ifdef CONFIG_DEBUG_FS |
715 | btmrvl_debugfs_remove(hdev); | |
716 | #endif | |
717 | ||
132ff4e5 BZ |
718 | hci_unregister_dev(hdev); |
719 | ||
720 | hci_free_dev(hdev); | |
721 | ||
722 | priv->btmrvl_dev.hcidev = NULL; | |
723 | ||
724 | btmrvl_free_adapter(priv); | |
725 | ||
726 | kfree(priv); | |
727 | ||
132ff4e5 BZ |
728 | return 0; |
729 | } | |
730 | EXPORT_SYMBOL_GPL(btmrvl_remove_card); | |
731 | ||
732 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 733 | MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
132ff4e5 BZ |
734 | MODULE_VERSION(VERSION); |
735 | MODULE_LICENSE("GPL v2"); |