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> | |
dc759613 | 25 | #include <linux/mmc/sdio_func.h> |
132ff4e5 BZ |
26 | |
27 | #include "btmrvl_drv.h" | |
0d367408 | 28 | #include "btmrvl_sdio.h" |
132ff4e5 BZ |
29 | |
30 | #define VERSION "1.0" | |
31 | ||
32 | /* | |
33 | * This function is called by interface specific interrupt handler. | |
34 | * It updates Power Save & Host Sleep states, and wakes up the main | |
35 | * thread. | |
36 | */ | |
37 | void btmrvl_interrupt(struct btmrvl_private *priv) | |
38 | { | |
132ff4e5 BZ |
39 | priv->adapter->ps_state = PS_AWAKE; |
40 | ||
41 | priv->adapter->wakeup_tries = 0; | |
42 | ||
43 | priv->adapter->int_count++; | |
44 | ||
4c79e1dd | 45 | if (priv->adapter->hs_state == HS_ACTIVATED) { |
7365d475 | 46 | BT_DBG("BT: HS DEACTIVATED in ISR!"); |
4c79e1dd AK |
47 | priv->adapter->hs_state = HS_DEACTIVATED; |
48 | } | |
49 | ||
132ff4e5 | 50 | wake_up_interruptible(&priv->main_thread.wait_q); |
132ff4e5 BZ |
51 | } |
52 | EXPORT_SYMBOL_GPL(btmrvl_interrupt); | |
53 | ||
ea1e76a3 | 54 | bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb) |
132ff4e5 | 55 | { |
4271e08d | 56 | struct hci_event_hdr *hdr = (void *) skb->data; |
132ff4e5 | 57 | |
132ff4e5 | 58 | if (hdr->evt == HCI_EV_CMD_COMPLETE) { |
2c2453f3 | 59 | struct hci_ev_cmd_complete *ec; |
3e4543ab | 60 | u16 opcode; |
2c2453f3 | 61 | |
4271e08d | 62 | ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE); |
132ff4e5 | 63 | opcode = __le16_to_cpu(ec->opcode); |
ea1e76a3 | 64 | |
c037874c | 65 | if (priv->btmrvl_dev.sendcmdflag) { |
132ff4e5 BZ |
66 | priv->btmrvl_dev.sendcmdflag = false; |
67 | priv->adapter->cmd_complete = true; | |
68 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
ea1e76a3 | 69 | |
d986b4a6 AK |
70 | if (hci_opcode_ogf(opcode) == 0x3F) { |
71 | BT_DBG("vendor event skipped: opcode=%#4.4x", | |
72 | opcode); | |
73 | kfree_skb(skb); | |
74 | return false; | |
75 | } | |
ea1e76a3 | 76 | } |
132ff4e5 | 77 | } |
ea1e76a3 AE |
78 | |
79 | return true; | |
132ff4e5 BZ |
80 | } |
81 | EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt); | |
82 | ||
83 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb) | |
84 | { | |
85 | struct btmrvl_adapter *adapter = priv->adapter; | |
132ff4e5 | 86 | struct btmrvl_event *event; |
31f085fe | 87 | int ret = 0; |
132ff4e5 | 88 | |
132ff4e5 BZ |
89 | event = (struct btmrvl_event *) skb->data; |
90 | if (event->ec != 0xff) { | |
91 | BT_DBG("Not Marvell Event=%x", event->ec); | |
92 | ret = -EINVAL; | |
93 | goto exit; | |
94 | } | |
95 | ||
96 | switch (event->data[0]) { | |
3e4543ab | 97 | case BT_EVENT_AUTO_SLEEP_MODE: |
132ff4e5 BZ |
98 | if (!event->data[2]) { |
99 | if (event->data[1] == BT_PS_ENABLE) | |
100 | adapter->psmode = 1; | |
101 | else | |
102 | adapter->psmode = 0; | |
103 | BT_DBG("PS Mode:%s", | |
104 | (adapter->psmode) ? "Enable" : "Disable"); | |
105 | } else { | |
106 | BT_DBG("PS Mode command failed"); | |
107 | } | |
108 | break; | |
109 | ||
3e4543ab | 110 | case BT_EVENT_HOST_SLEEP_CONFIG: |
132ff4e5 BZ |
111 | if (!event->data[3]) |
112 | BT_DBG("gpio=%x, gap=%x", event->data[1], | |
4271e08d | 113 | event->data[2]); |
132ff4e5 BZ |
114 | else |
115 | BT_DBG("HSCFG command failed"); | |
116 | break; | |
117 | ||
3e4543ab | 118 | case BT_EVENT_HOST_SLEEP_ENABLE: |
132ff4e5 BZ |
119 | if (!event->data[1]) { |
120 | adapter->hs_state = HS_ACTIVATED; | |
121 | if (adapter->psmode) | |
122 | adapter->ps_state = PS_SLEEP; | |
396e04f4 | 123 | wake_up_interruptible(&adapter->event_hs_wait_q); |
132ff4e5 BZ |
124 | BT_DBG("HS ACTIVATED!"); |
125 | } else { | |
126 | BT_DBG("HS Enable failed"); | |
127 | } | |
128 | break; | |
129 | ||
3e4543ab | 130 | case BT_EVENT_MODULE_CFG_REQ: |
4271e08d MH |
131 | if (priv->btmrvl_dev.sendcmdflag && |
132 | event->data[1] == MODULE_BRINGUP_REQ) { | |
903c8437 BZ |
133 | BT_DBG("EVENT:%s", |
134 | ((event->data[2] == MODULE_BROUGHT_UP) || | |
135 | (event->data[2] == MODULE_ALREADY_UP)) ? | |
136 | "Bring-up succeed" : "Bring-up failed"); | |
f120c6b6 | 137 | |
8f1e1742 DV |
138 | if (event->length > 3 && event->data[3]) |
139 | priv->btmrvl_dev.dev_type = HCI_AMP; | |
f120c6b6 | 140 | else |
ca8bee5d | 141 | priv->btmrvl_dev.dev_type = HCI_PRIMARY; |
f120c6b6 BZ |
142 | |
143 | BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type); | |
4271e08d MH |
144 | } else if (priv->btmrvl_dev.sendcmdflag && |
145 | event->data[1] == MODULE_SHUTDOWN_REQ) { | |
132ff4e5 BZ |
146 | BT_DBG("EVENT:%s", (event->data[2]) ? |
147 | "Shutdown failed" : "Shutdown succeed"); | |
148 | } else { | |
149 | BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP"); | |
150 | ret = -EINVAL; | |
151 | } | |
152 | break; | |
153 | ||
154 | case BT_EVENT_POWER_STATE: | |
155 | if (event->data[1] == BT_PS_SLEEP) | |
156 | adapter->ps_state = PS_SLEEP; | |
157 | BT_DBG("EVENT:%s", | |
158 | (adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE"); | |
159 | break; | |
160 | ||
161 | default: | |
162 | BT_DBG("Unknown Event=%d", event->data[0]); | |
163 | ret = -EINVAL; | |
164 | break; | |
165 | } | |
166 | ||
167 | exit: | |
168 | if (!ret) | |
169 | kfree_skb(skb); | |
170 | ||
132ff4e5 BZ |
171 | return ret; |
172 | } | |
173 | EXPORT_SYMBOL_GPL(btmrvl_process_event); | |
174 | ||
3e4543ab | 175 | static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode, |
c037874c | 176 | const void *param, u8 len) |
132ff4e5 | 177 | { |
4271e08d | 178 | struct sk_buff *skb; |
7d5b400c | 179 | struct hci_command_hdr *hdr; |
132ff4e5 | 180 | |
7b4b8740 AK |
181 | if (priv->surprise_removed) { |
182 | BT_ERR("Card is removed"); | |
183 | return -EFAULT; | |
184 | } | |
185 | ||
1ebbf046 | 186 | skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_KERNEL); |
1f438c61 | 187 | if (!skb) { |
132ff4e5 | 188 | BT_ERR("No free skb"); |
9374253f | 189 | return -ENOMEM; |
132ff4e5 BZ |
190 | } |
191 | ||
4df864c1 | 192 | hdr = skb_put(skb, HCI_COMMAND_HDR_SIZE); |
3e4543ab | 193 | hdr->opcode = cpu_to_le16(opcode); |
7d5b400c | 194 | hdr->plen = len; |
c037874c AK |
195 | |
196 | if (len) | |
59ae1d12 | 197 | skb_put_data(skb, param, len); |
132ff4e5 | 198 | |
618e8bc2 | 199 | hci_skb_pkt_type(skb) = MRVL_VENDOR_PKT; |
132ff4e5 | 200 | |
132ff4e5 BZ |
201 | skb_queue_head(&priv->adapter->tx_queue, skb); |
202 | ||
203 | priv->btmrvl_dev.sendcmdflag = true; | |
204 | ||
205 | priv->adapter->cmd_complete = false; | |
206 | ||
132ff4e5 BZ |
207 | wake_up_interruptible(&priv->main_thread.wait_q); |
208 | ||
4271e08d | 209 | if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
a9cc32d9 AK |
210 | priv->adapter->cmd_complete || |
211 | priv->surprise_removed, | |
0333d6dd | 212 | WAIT_UNTIL_CMD_RESP)) |
c037874c AK |
213 | return -ETIMEDOUT; |
214 | ||
a9cc32d9 AK |
215 | if (priv->surprise_removed) |
216 | return -EFAULT; | |
217 | ||
c037874c AK |
218 | return 0; |
219 | } | |
132ff4e5 | 220 | |
7125df53 | 221 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd) |
c037874c AK |
222 | { |
223 | int ret; | |
224 | ||
225 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1); | |
226 | if (ret) | |
7365d475 | 227 | BT_ERR("module_cfg_cmd(%x) failed", subcmd); |
132ff4e5 | 228 | |
132ff4e5 BZ |
229 | return ret; |
230 | } | |
231 | EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd); | |
232 | ||
a715d11e AK |
233 | static int btmrvl_enable_sco_routing_to_host(struct btmrvl_private *priv) |
234 | { | |
235 | int ret; | |
236 | u8 subcmd = 0; | |
237 | ||
238 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_ROUTE_SCO_TO_HOST, &subcmd, 1); | |
239 | if (ret) | |
240 | BT_ERR("BT_CMD_ROUTE_SCO_TO_HOST command failed: %#x", ret); | |
241 | ||
242 | return ret; | |
243 | } | |
244 | ||
4df82b59 BZ |
245 | int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd) |
246 | { | |
247 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
248 | int ret; | |
249 | ||
250 | if (!card->support_pscan_win_report) | |
251 | return 0; | |
252 | ||
253 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE, | |
254 | &subcmd, 1); | |
255 | if (ret) | |
256 | BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret); | |
257 | ||
258 | return ret; | |
259 | } | |
260 | EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting); | |
261 | ||
2a8ff611 AK |
262 | int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv) |
263 | { | |
c037874c AK |
264 | int ret; |
265 | u8 param[2]; | |
2a8ff611 | 266 | |
c037874c AK |
267 | param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; |
268 | param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2a8ff611 | 269 | |
c037874c AK |
270 | BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x", |
271 | param[0], param[1]); | |
2a8ff611 | 272 | |
c037874c AK |
273 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2); |
274 | if (ret) | |
7365d475 | 275 | BT_ERR("HSCFG command failed"); |
2a8ff611 | 276 | |
c037874c | 277 | return ret; |
2a8ff611 AK |
278 | } |
279 | EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd); | |
280 | ||
32fd6398 AK |
281 | int btmrvl_enable_ps(struct btmrvl_private *priv) |
282 | { | |
c037874c AK |
283 | int ret; |
284 | u8 param; | |
32fd6398 AK |
285 | |
286 | if (priv->btmrvl_dev.psmode) | |
c037874c | 287 | param = BT_PS_ENABLE; |
32fd6398 | 288 | else |
c037874c | 289 | param = BT_PS_DISABLE; |
32fd6398 | 290 | |
c037874c AK |
291 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, ¶m, 1); |
292 | if (ret) | |
7365d475 | 293 | BT_ERR("PSMODE command failed"); |
32fd6398 AK |
294 | |
295 | return 0; | |
296 | } | |
297 | EXPORT_SYMBOL_GPL(btmrvl_enable_ps); | |
298 | ||
ba54a16f | 299 | int btmrvl_enable_hs(struct btmrvl_private *priv) |
132ff4e5 | 300 | { |
396e04f4 | 301 | struct btmrvl_adapter *adapter = priv->adapter; |
c037874c | 302 | int ret; |
132ff4e5 | 303 | |
c037874c | 304 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0); |
396e04f4 | 305 | if (ret) { |
7365d475 | 306 | BT_ERR("Host sleep enable command failed"); |
396e04f4 CRL |
307 | return ret; |
308 | } | |
309 | ||
310 | ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q, | |
a9cc32d9 AK |
311 | adapter->hs_state || |
312 | priv->surprise_removed, | |
0333d6dd | 313 | WAIT_UNTIL_HS_STATE_CHANGED); |
a9cc32d9 | 314 | if (ret < 0 || priv->surprise_removed) { |
396e04f4 CRL |
315 | BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d", |
316 | ret, adapter->hs_state, adapter->ps_state, | |
317 | adapter->wakeup_tries); | |
318 | } else if (!ret) { | |
319 | BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state, | |
320 | adapter->ps_state, adapter->wakeup_tries); | |
321 | ret = -ETIMEDOUT; | |
322 | } else { | |
323 | BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state, | |
324 | adapter->ps_state, adapter->wakeup_tries); | |
325 | ret = 0; | |
326 | } | |
132ff4e5 | 327 | |
132ff4e5 BZ |
328 | return ret; |
329 | } | |
ba54a16f | 330 | EXPORT_SYMBOL_GPL(btmrvl_enable_hs); |
132ff4e5 BZ |
331 | |
332 | int btmrvl_prepare_command(struct btmrvl_private *priv) | |
333 | { | |
9374253f | 334 | int ret = 0; |
132ff4e5 BZ |
335 | |
336 | if (priv->btmrvl_dev.hscfgcmd) { | |
337 | priv->btmrvl_dev.hscfgcmd = 0; | |
2a8ff611 | 338 | btmrvl_send_hscfg_cmd(priv); |
132ff4e5 BZ |
339 | } |
340 | ||
341 | if (priv->btmrvl_dev.pscmd) { | |
342 | priv->btmrvl_dev.pscmd = 0; | |
32fd6398 | 343 | btmrvl_enable_ps(priv); |
132ff4e5 BZ |
344 | } |
345 | ||
346 | if (priv->btmrvl_dev.hscmd) { | |
347 | priv->btmrvl_dev.hscmd = 0; | |
348 | ||
349 | if (priv->btmrvl_dev.hsmode) { | |
350 | ret = btmrvl_enable_hs(priv); | |
351 | } else { | |
352 | ret = priv->hw_wakeup_firmware(priv); | |
353 | priv->adapter->hs_state = HS_DEACTIVATED; | |
7365d475 | 354 | BT_DBG("BT: HS DEACTIVATED due to host activity!"); |
132ff4e5 BZ |
355 | } |
356 | } | |
357 | ||
132ff4e5 BZ |
358 | return ret; |
359 | } | |
360 | ||
361 | static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) | |
362 | { | |
9374253f | 363 | int ret = 0; |
132ff4e5 | 364 | |
9374253f | 365 | if (!skb || !skb->data) |
132ff4e5 | 366 | return -EINVAL; |
132ff4e5 BZ |
367 | |
368 | if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { | |
369 | BT_ERR("Tx Error: Bad skb length %d : %d", | |
4271e08d | 370 | skb->len, BTM_UPLD_SIZE); |
132ff4e5 BZ |
371 | return -EINVAL; |
372 | } | |
373 | ||
132ff4e5 BZ |
374 | skb_push(skb, BTM_HEADER_LEN); |
375 | ||
376 | /* header type: byte[3] | |
377 | * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor | |
378 | * header length: byte[2][1][0] | |
379 | */ | |
380 | ||
381 | skb->data[0] = (skb->len & 0x0000ff); | |
382 | skb->data[1] = (skb->len & 0x00ff00) >> 8; | |
383 | skb->data[2] = (skb->len & 0xff0000) >> 16; | |
618e8bc2 | 384 | skb->data[3] = hci_skb_pkt_type(skb); |
132ff4e5 BZ |
385 | |
386 | if (priv->hw_host_to_card) | |
387 | ret = priv->hw_host_to_card(priv, skb->data, skb->len); | |
388 | ||
132ff4e5 BZ |
389 | return ret; |
390 | } | |
391 | ||
392 | static void btmrvl_init_adapter(struct btmrvl_private *priv) | |
393 | { | |
0d367408 BZ |
394 | int buf_size; |
395 | ||
132ff4e5 BZ |
396 | skb_queue_head_init(&priv->adapter->tx_queue); |
397 | ||
398 | priv->adapter->ps_state = PS_AWAKE; | |
399 | ||
0d367408 BZ |
400 | buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN); |
401 | priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL); | |
402 | if (!priv->adapter->hw_regs_buf) { | |
403 | priv->adapter->hw_regs = NULL; | |
404 | BT_ERR("Unable to allocate buffer for hw_regs."); | |
405 | } else { | |
406 | priv->adapter->hw_regs = | |
407 | (u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf, | |
408 | BTSDIO_DMA_ALIGN); | |
409 | BT_DBG("hw_regs_buf=%p hw_regs=%p", | |
410 | priv->adapter->hw_regs_buf, priv->adapter->hw_regs); | |
411 | } | |
412 | ||
132ff4e5 | 413 | init_waitqueue_head(&priv->adapter->cmd_wait_q); |
396e04f4 | 414 | init_waitqueue_head(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
415 | } |
416 | ||
417 | static void btmrvl_free_adapter(struct btmrvl_private *priv) | |
418 | { | |
132ff4e5 BZ |
419 | skb_queue_purge(&priv->adapter->tx_queue); |
420 | ||
0d367408 | 421 | kfree(priv->adapter->hw_regs_buf); |
132ff4e5 BZ |
422 | kfree(priv->adapter); |
423 | ||
424 | priv->adapter = NULL; | |
132ff4e5 BZ |
425 | } |
426 | ||
7bd8f09f | 427 | static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
132ff4e5 | 428 | { |
7648d28f | 429 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 430 | |
618e8bc2 | 431 | BT_DBG("type=%d, len=%d", hci_skb_pkt_type(skb), skb->len); |
132ff4e5 | 432 | |
8cf60cf2 CRL |
433 | if (priv->adapter->is_suspending || priv->adapter->is_suspended) { |
434 | BT_ERR("%s: Device is suspending or suspended", __func__); | |
435 | return -EBUSY; | |
436 | } | |
437 | ||
618e8bc2 | 438 | switch (hci_skb_pkt_type(skb)) { |
132ff4e5 BZ |
439 | case HCI_COMMAND_PKT: |
440 | hdev->stat.cmd_tx++; | |
441 | break; | |
442 | ||
443 | case HCI_ACLDATA_PKT: | |
444 | hdev->stat.acl_tx++; | |
445 | break; | |
446 | ||
447 | case HCI_SCODATA_PKT: | |
448 | hdev->stat.sco_tx++; | |
449 | break; | |
450 | } | |
451 | ||
452 | skb_queue_tail(&priv->adapter->tx_queue, skb); | |
453 | ||
8cf60cf2 CRL |
454 | if (!priv->adapter->is_suspended) |
455 | wake_up_interruptible(&priv->main_thread.wait_q); | |
132ff4e5 | 456 | |
132ff4e5 BZ |
457 | return 0; |
458 | } | |
459 | ||
460 | static int btmrvl_flush(struct hci_dev *hdev) | |
461 | { | |
155961e8 | 462 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 463 | |
132ff4e5 BZ |
464 | skb_queue_purge(&priv->adapter->tx_queue); |
465 | ||
132ff4e5 BZ |
466 | return 0; |
467 | } | |
468 | ||
469 | static int btmrvl_close(struct hci_dev *hdev) | |
470 | { | |
155961e8 | 471 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 472 | |
132ff4e5 BZ |
473 | skb_queue_purge(&priv->adapter->tx_queue); |
474 | ||
132ff4e5 BZ |
475 | return 0; |
476 | } | |
477 | ||
478 | static int btmrvl_open(struct hci_dev *hdev) | |
479 | { | |
132ff4e5 BZ |
480 | return 0; |
481 | } | |
482 | ||
433a9389 | 483 | static int btmrvl_download_cal_data(struct btmrvl_private *priv, |
8a4934f1 | 484 | u8 *data, int len) |
2cc86890 | 485 | { |
8a4934f1 | 486 | int ret; |
2cc86890 AK |
487 | |
488 | data[0] = 0x00; | |
489 | data[1] = 0x00; | |
490 | data[2] = 0x00; | |
8a4934f1 | 491 | data[3] = len; |
2cc86890 AK |
492 | |
493 | print_hex_dump_bytes("Calibration data: ", | |
8a4934f1 | 494 | DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len); |
2cc86890 AK |
495 | |
496 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data, | |
8a4934f1 | 497 | BT_CAL_HDR_LEN + len); |
2cc86890 | 498 | if (ret) |
a9a4840d | 499 | BT_ERR("Failed to download calibration data"); |
2cc86890 AK |
500 | |
501 | return 0; | |
502 | } | |
503 | ||
025a60a7 | 504 | static int btmrvl_check_device_tree(struct btmrvl_private *priv) |
2cc86890 | 505 | { |
433a9389 | 506 | struct device_node *dt_node; |
bb7f4f0b | 507 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
8a4934f1 | 508 | u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE]; |
bb7f4f0b XH |
509 | int ret = 0; |
510 | u16 gpio, gap; | |
511 | ||
512 | if (card->plt_of_node) { | |
513 | dt_node = card->plt_of_node; | |
514 | ret = of_property_read_u16(dt_node, "marvell,wakeup-pin", | |
515 | &gpio); | |
516 | if (ret) | |
517 | gpio = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; | |
518 | ||
519 | ret = of_property_read_u16(dt_node, "marvell,wakeup-gap-ms", | |
520 | &gap); | |
521 | if (ret) | |
522 | gap = (u8)(priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2cc86890 | 523 | |
bb7f4f0b | 524 | priv->btmrvl_dev.gpio_gap = (gpio << 8) + gap; |
025a60a7 | 525 | |
bb7f4f0b | 526 | ret = of_property_read_u8_array(dt_node, "marvell,cal-data", |
098ea6bc AK |
527 | cal_data + BT_CAL_HDR_LEN, |
528 | BT_CAL_DATA_SIZE); | |
bb7f4f0b | 529 | if (ret) |
098ea6bc AK |
530 | return ret; |
531 | ||
532 | BT_DBG("Use cal data from device tree"); | |
533 | ret = btmrvl_download_cal_data(priv, cal_data, | |
534 | BT_CAL_DATA_SIZE); | |
bb7f4f0b | 535 | if (ret) |
098ea6bc | 536 | BT_ERR("Fail to download calibrate data"); |
2cc86890 AK |
537 | } |
538 | ||
bb7f4f0b | 539 | return ret; |
2cc86890 AK |
540 | } |
541 | ||
4b245722 AK |
542 | static int btmrvl_setup(struct hci_dev *hdev) |
543 | { | |
544 | struct btmrvl_private *priv = hci_get_drvdata(hdev); | |
9b89fdfe | 545 | int ret; |
4b245722 | 546 | |
9b89fdfe AK |
547 | ret = btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ); |
548 | if (ret) | |
549 | return ret; | |
4b245722 | 550 | |
d716892f | 551 | priv->btmrvl_dev.gpio_gap = 0xfffe; |
025a60a7 AK |
552 | |
553 | btmrvl_check_device_tree(priv); | |
2cc86890 | 554 | |
a715d11e AK |
555 | btmrvl_enable_sco_routing_to_host(priv); |
556 | ||
4df82b59 BZ |
557 | btmrvl_pscan_window_reporting(priv, 0x01); |
558 | ||
4b245722 AK |
559 | priv->btmrvl_dev.psmode = 1; |
560 | btmrvl_enable_ps(priv); | |
561 | ||
4b245722 AK |
562 | btmrvl_send_hscfg_cmd(priv); |
563 | ||
564 | return 0; | |
565 | } | |
566 | ||
27b869f5 AK |
567 | static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
568 | { | |
569 | struct sk_buff *skb; | |
570 | long ret; | |
571 | u8 buf[8]; | |
572 | ||
573 | buf[0] = MRVL_VENDOR_PKT; | |
574 | buf[1] = sizeof(bdaddr_t); | |
575 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
576 | ||
577 | skb = __hci_cmd_sync(hdev, BT_CMD_SET_BDADDR, sizeof(buf), buf, | |
578 | HCI_INIT_TIMEOUT); | |
579 | if (IS_ERR(skb)) { | |
580 | ret = PTR_ERR(skb); | |
581 | BT_ERR("%s: changing btmrvl device address failed (%ld)", | |
582 | hdev->name, ret); | |
583 | return ret; | |
584 | } | |
585 | kfree_skb(skb); | |
586 | ||
587 | return 0; | |
588 | } | |
589 | ||
132ff4e5 BZ |
590 | /* |
591 | * This function handles the event generated by firmware, rx data | |
592 | * received from firmware, and tx data sent from kernel. | |
593 | */ | |
594 | static int btmrvl_service_main_thread(void *data) | |
595 | { | |
596 | struct btmrvl_thread *thread = data; | |
597 | struct btmrvl_private *priv = thread->priv; | |
598 | struct btmrvl_adapter *adapter = priv->adapter; | |
ac6424b9 | 599 | wait_queue_entry_t wait; |
132ff4e5 BZ |
600 | struct sk_buff *skb; |
601 | ulong flags; | |
602 | ||
132ff4e5 BZ |
603 | init_waitqueue_entry(&wait, current); |
604 | ||
132ff4e5 BZ |
605 | for (;;) { |
606 | add_wait_queue(&thread->wait_q, &wait); | |
607 | ||
608 | set_current_state(TASK_INTERRUPTIBLE); | |
7b4b8740 | 609 | if (kthread_should_stop() || priv->surprise_removed) { |
ea05fea9 DD |
610 | BT_DBG("main_thread: break from main thread"); |
611 | break; | |
612 | } | |
132ff4e5 BZ |
613 | |
614 | if (adapter->wakeup_tries || | |
4271e08d MH |
615 | ((!adapter->int_count) && |
616 | (!priv->btmrvl_dev.tx_dnld_rdy || | |
617 | skb_queue_empty(&adapter->tx_queue)))) { | |
132ff4e5 BZ |
618 | BT_DBG("main_thread is sleeping..."); |
619 | schedule(); | |
620 | } | |
621 | ||
622 | set_current_state(TASK_RUNNING); | |
623 | ||
624 | remove_wait_queue(&thread->wait_q, &wait); | |
625 | ||
626 | BT_DBG("main_thread woke up"); | |
627 | ||
7b4b8740 | 628 | if (kthread_should_stop() || priv->surprise_removed) { |
8b324fa6 AK |
629 | BT_DBG("main_thread: break from main thread"); |
630 | break; | |
631 | } | |
632 | ||
132ff4e5 BZ |
633 | spin_lock_irqsave(&priv->driver_lock, flags); |
634 | if (adapter->int_count) { | |
635 | adapter->int_count = 0; | |
d1d10d78 AK |
636 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
637 | priv->hw_process_int_status(priv); | |
4271e08d MH |
638 | } else if (adapter->ps_state == PS_SLEEP && |
639 | !skb_queue_empty(&adapter->tx_queue)) { | |
132ff4e5 BZ |
640 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
641 | adapter->wakeup_tries++; | |
642 | priv->hw_wakeup_firmware(priv); | |
643 | continue; | |
d1d10d78 AK |
644 | } else { |
645 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
132ff4e5 | 646 | } |
132ff4e5 BZ |
647 | |
648 | if (adapter->ps_state == PS_SLEEP) | |
649 | continue; | |
650 | ||
8cf60cf2 CRL |
651 | if (!priv->btmrvl_dev.tx_dnld_rdy || |
652 | priv->adapter->is_suspended) | |
132ff4e5 BZ |
653 | continue; |
654 | ||
655 | skb = skb_dequeue(&adapter->tx_queue); | |
656 | if (skb) { | |
657 | if (btmrvl_tx_pkt(priv, skb)) | |
658 | priv->btmrvl_dev.hcidev->stat.err_tx++; | |
659 | else | |
4271e08d | 660 | priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
132ff4e5 BZ |
661 | |
662 | kfree_skb(skb); | |
663 | } | |
664 | } | |
665 | ||
132ff4e5 BZ |
666 | return 0; |
667 | } | |
668 | ||
64061607 | 669 | int btmrvl_register_hdev(struct btmrvl_private *priv) |
132ff4e5 BZ |
670 | { |
671 | struct hci_dev *hdev = NULL; | |
132ff4e5 BZ |
672 | int ret; |
673 | ||
132ff4e5 BZ |
674 | hdev = hci_alloc_dev(); |
675 | if (!hdev) { | |
676 | BT_ERR("Can not allocate HCI device"); | |
677 | goto err_hdev; | |
678 | } | |
679 | ||
132ff4e5 | 680 | priv->btmrvl_dev.hcidev = hdev; |
155961e8 | 681 | hci_set_drvdata(hdev, priv); |
132ff4e5 | 682 | |
e93ac9c0 MH |
683 | hdev->bus = HCI_SDIO; |
684 | hdev->open = btmrvl_open; | |
132ff4e5 BZ |
685 | hdev->close = btmrvl_close; |
686 | hdev->flush = btmrvl_flush; | |
e93ac9c0 | 687 | hdev->send = btmrvl_send_frame; |
4b245722 | 688 | hdev->setup = btmrvl_setup; |
27b869f5 | 689 | hdev->set_bdaddr = btmrvl_set_bdaddr; |
64061607 | 690 | |
f120c6b6 BZ |
691 | hdev->dev_type = priv->btmrvl_dev.dev_type; |
692 | ||
132ff4e5 BZ |
693 | ret = hci_register_dev(hdev); |
694 | if (ret < 0) { | |
695 | BT_ERR("Can not register HCI device"); | |
696 | goto err_hci_register_dev; | |
697 | } | |
698 | ||
fb784f05 BZ |
699 | #ifdef CONFIG_DEBUG_FS |
700 | btmrvl_debugfs_init(hdev); | |
701 | #endif | |
702 | ||
64061607 | 703 | return 0; |
132ff4e5 BZ |
704 | |
705 | err_hci_register_dev: | |
132ff4e5 BZ |
706 | hci_free_dev(hdev); |
707 | ||
708 | err_hdev: | |
64061607 BZ |
709 | /* Stop the thread servicing the interrupts */ |
710 | kthread_stop(priv->main_thread.task); | |
711 | ||
132ff4e5 | 712 | btmrvl_free_adapter(priv); |
64061607 BZ |
713 | kfree(priv); |
714 | ||
715 | return -ENOMEM; | |
716 | } | |
717 | EXPORT_SYMBOL_GPL(btmrvl_register_hdev); | |
718 | ||
719 | struct btmrvl_private *btmrvl_add_card(void *card) | |
720 | { | |
721 | struct btmrvl_private *priv; | |
722 | ||
723 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
724 | if (!priv) { | |
725 | BT_ERR("Can not allocate priv"); | |
726 | goto err_priv; | |
727 | } | |
728 | ||
729 | priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); | |
730 | if (!priv->adapter) { | |
731 | BT_ERR("Allocate buffer for btmrvl_adapter failed!"); | |
732 | goto err_adapter; | |
733 | } | |
734 | ||
735 | btmrvl_init_adapter(priv); | |
736 | ||
737 | BT_DBG("Starting kthread..."); | |
738 | priv->main_thread.priv = priv; | |
739 | spin_lock_init(&priv->driver_lock); | |
740 | ||
741 | init_waitqueue_head(&priv->main_thread.wait_q); | |
742 | priv->main_thread.task = kthread_run(btmrvl_service_main_thread, | |
743 | &priv->main_thread, "btmrvl_main_service"); | |
8500d791 AP |
744 | if (IS_ERR(priv->main_thread.task)) |
745 | goto err_thread; | |
64061607 BZ |
746 | |
747 | priv->btmrvl_dev.card = card; | |
748 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
749 | ||
750 | return priv; | |
132ff4e5 | 751 | |
8500d791 AP |
752 | err_thread: |
753 | btmrvl_free_adapter(priv); | |
754 | ||
132ff4e5 BZ |
755 | err_adapter: |
756 | kfree(priv); | |
757 | ||
758 | err_priv: | |
132ff4e5 BZ |
759 | return NULL; |
760 | } | |
761 | EXPORT_SYMBOL_GPL(btmrvl_add_card); | |
762 | ||
763 | int btmrvl_remove_card(struct btmrvl_private *priv) | |
764 | { | |
765 | struct hci_dev *hdev; | |
766 | ||
132ff4e5 BZ |
767 | hdev = priv->btmrvl_dev.hcidev; |
768 | ||
769 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
396e04f4 | 770 | wake_up_interruptible(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
771 | |
772 | kthread_stop(priv->main_thread.task); | |
773 | ||
fb784f05 BZ |
774 | #ifdef CONFIG_DEBUG_FS |
775 | btmrvl_debugfs_remove(hdev); | |
776 | #endif | |
777 | ||
132ff4e5 BZ |
778 | hci_unregister_dev(hdev); |
779 | ||
780 | hci_free_dev(hdev); | |
781 | ||
782 | priv->btmrvl_dev.hcidev = NULL; | |
783 | ||
784 | btmrvl_free_adapter(priv); | |
785 | ||
786 | kfree(priv); | |
787 | ||
132ff4e5 BZ |
788 | return 0; |
789 | } | |
790 | EXPORT_SYMBOL_GPL(btmrvl_remove_card); | |
791 | ||
792 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 793 | MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
132ff4e5 BZ |
794 | MODULE_VERSION(VERSION); |
795 | MODULE_LICENSE("GPL v2"); |