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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 | ||
7d5b400c | 186 | skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC); |
1f438c61 | 187 | if (!skb) { |
132ff4e5 | 188 | BT_ERR("No free skb"); |
9374253f | 189 | return -ENOMEM; |
132ff4e5 BZ |
190 | } |
191 | ||
7d5b400c | 192 | hdr = (struct hci_command_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) | |
7d5b400c | 197 | memcpy(skb_put(skb, len), 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 | ||
dc759613 XH |
361 | void btmrvl_firmware_dump(struct btmrvl_private *priv) |
362 | { | |
363 | if (priv->firmware_dump) | |
364 | priv->firmware_dump(priv); | |
365 | } | |
366 | ||
132ff4e5 BZ |
367 | static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) |
368 | { | |
9374253f | 369 | int ret = 0; |
132ff4e5 | 370 | |
9374253f | 371 | if (!skb || !skb->data) |
132ff4e5 | 372 | return -EINVAL; |
132ff4e5 BZ |
373 | |
374 | if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { | |
375 | BT_ERR("Tx Error: Bad skb length %d : %d", | |
4271e08d | 376 | skb->len, BTM_UPLD_SIZE); |
132ff4e5 BZ |
377 | return -EINVAL; |
378 | } | |
379 | ||
132ff4e5 BZ |
380 | skb_push(skb, BTM_HEADER_LEN); |
381 | ||
382 | /* header type: byte[3] | |
383 | * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor | |
384 | * header length: byte[2][1][0] | |
385 | */ | |
386 | ||
387 | skb->data[0] = (skb->len & 0x0000ff); | |
388 | skb->data[1] = (skb->len & 0x00ff00) >> 8; | |
389 | skb->data[2] = (skb->len & 0xff0000) >> 16; | |
618e8bc2 | 390 | skb->data[3] = hci_skb_pkt_type(skb); |
132ff4e5 BZ |
391 | |
392 | if (priv->hw_host_to_card) | |
393 | ret = priv->hw_host_to_card(priv, skb->data, skb->len); | |
394 | ||
132ff4e5 BZ |
395 | return ret; |
396 | } | |
397 | ||
398 | static void btmrvl_init_adapter(struct btmrvl_private *priv) | |
399 | { | |
0d367408 BZ |
400 | int buf_size; |
401 | ||
132ff4e5 BZ |
402 | skb_queue_head_init(&priv->adapter->tx_queue); |
403 | ||
404 | priv->adapter->ps_state = PS_AWAKE; | |
405 | ||
0d367408 BZ |
406 | buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN); |
407 | priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL); | |
408 | if (!priv->adapter->hw_regs_buf) { | |
409 | priv->adapter->hw_regs = NULL; | |
410 | BT_ERR("Unable to allocate buffer for hw_regs."); | |
411 | } else { | |
412 | priv->adapter->hw_regs = | |
413 | (u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf, | |
414 | BTSDIO_DMA_ALIGN); | |
415 | BT_DBG("hw_regs_buf=%p hw_regs=%p", | |
416 | priv->adapter->hw_regs_buf, priv->adapter->hw_regs); | |
417 | } | |
418 | ||
132ff4e5 | 419 | init_waitqueue_head(&priv->adapter->cmd_wait_q); |
396e04f4 | 420 | init_waitqueue_head(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
421 | } |
422 | ||
423 | static void btmrvl_free_adapter(struct btmrvl_private *priv) | |
424 | { | |
132ff4e5 BZ |
425 | skb_queue_purge(&priv->adapter->tx_queue); |
426 | ||
0d367408 | 427 | kfree(priv->adapter->hw_regs_buf); |
132ff4e5 BZ |
428 | kfree(priv->adapter); |
429 | ||
430 | priv->adapter = NULL; | |
132ff4e5 BZ |
431 | } |
432 | ||
7bd8f09f | 433 | static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
132ff4e5 | 434 | { |
7648d28f | 435 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 436 | |
618e8bc2 | 437 | BT_DBG("type=%d, len=%d", hci_skb_pkt_type(skb), skb->len); |
132ff4e5 | 438 | |
8cf60cf2 CRL |
439 | if (priv->adapter->is_suspending || priv->adapter->is_suspended) { |
440 | BT_ERR("%s: Device is suspending or suspended", __func__); | |
441 | return -EBUSY; | |
442 | } | |
443 | ||
618e8bc2 | 444 | switch (hci_skb_pkt_type(skb)) { |
132ff4e5 BZ |
445 | case HCI_COMMAND_PKT: |
446 | hdev->stat.cmd_tx++; | |
447 | break; | |
448 | ||
449 | case HCI_ACLDATA_PKT: | |
450 | hdev->stat.acl_tx++; | |
451 | break; | |
452 | ||
453 | case HCI_SCODATA_PKT: | |
454 | hdev->stat.sco_tx++; | |
455 | break; | |
456 | } | |
457 | ||
458 | skb_queue_tail(&priv->adapter->tx_queue, skb); | |
459 | ||
8cf60cf2 CRL |
460 | if (!priv->adapter->is_suspended) |
461 | wake_up_interruptible(&priv->main_thread.wait_q); | |
132ff4e5 | 462 | |
132ff4e5 BZ |
463 | return 0; |
464 | } | |
465 | ||
466 | static int btmrvl_flush(struct hci_dev *hdev) | |
467 | { | |
155961e8 | 468 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 469 | |
132ff4e5 BZ |
470 | skb_queue_purge(&priv->adapter->tx_queue); |
471 | ||
132ff4e5 BZ |
472 | return 0; |
473 | } | |
474 | ||
475 | static int btmrvl_close(struct hci_dev *hdev) | |
476 | { | |
155961e8 | 477 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 478 | |
132ff4e5 BZ |
479 | skb_queue_purge(&priv->adapter->tx_queue); |
480 | ||
132ff4e5 BZ |
481 | return 0; |
482 | } | |
483 | ||
484 | static int btmrvl_open(struct hci_dev *hdev) | |
485 | { | |
132ff4e5 BZ |
486 | return 0; |
487 | } | |
488 | ||
433a9389 | 489 | static int btmrvl_download_cal_data(struct btmrvl_private *priv, |
8a4934f1 | 490 | u8 *data, int len) |
2cc86890 | 491 | { |
8a4934f1 | 492 | int ret; |
2cc86890 AK |
493 | |
494 | data[0] = 0x00; | |
495 | data[1] = 0x00; | |
496 | data[2] = 0x00; | |
8a4934f1 | 497 | data[3] = len; |
2cc86890 AK |
498 | |
499 | print_hex_dump_bytes("Calibration data: ", | |
8a4934f1 | 500 | DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len); |
2cc86890 AK |
501 | |
502 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data, | |
8a4934f1 | 503 | BT_CAL_HDR_LEN + len); |
2cc86890 | 504 | if (ret) |
a9a4840d | 505 | BT_ERR("Failed to download calibration data"); |
2cc86890 AK |
506 | |
507 | return 0; | |
508 | } | |
509 | ||
025a60a7 | 510 | static int btmrvl_check_device_tree(struct btmrvl_private *priv) |
2cc86890 | 511 | { |
433a9389 | 512 | struct device_node *dt_node; |
bb7f4f0b | 513 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
8a4934f1 | 514 | u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE]; |
bb7f4f0b XH |
515 | int ret = 0; |
516 | u16 gpio, gap; | |
517 | ||
518 | if (card->plt_of_node) { | |
519 | dt_node = card->plt_of_node; | |
520 | ret = of_property_read_u16(dt_node, "marvell,wakeup-pin", | |
521 | &gpio); | |
522 | if (ret) | |
523 | gpio = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; | |
524 | ||
525 | ret = of_property_read_u16(dt_node, "marvell,wakeup-gap-ms", | |
526 | &gap); | |
527 | if (ret) | |
528 | gap = (u8)(priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2cc86890 | 529 | |
bb7f4f0b | 530 | priv->btmrvl_dev.gpio_gap = (gpio << 8) + gap; |
025a60a7 | 531 | |
bb7f4f0b | 532 | ret = of_property_read_u8_array(dt_node, "marvell,cal-data", |
098ea6bc AK |
533 | cal_data + BT_CAL_HDR_LEN, |
534 | BT_CAL_DATA_SIZE); | |
bb7f4f0b | 535 | if (ret) |
098ea6bc AK |
536 | return ret; |
537 | ||
538 | BT_DBG("Use cal data from device tree"); | |
539 | ret = btmrvl_download_cal_data(priv, cal_data, | |
540 | BT_CAL_DATA_SIZE); | |
bb7f4f0b | 541 | if (ret) |
098ea6bc | 542 | BT_ERR("Fail to download calibrate data"); |
2cc86890 AK |
543 | } |
544 | ||
bb7f4f0b | 545 | return ret; |
2cc86890 AK |
546 | } |
547 | ||
4b245722 AK |
548 | static int btmrvl_setup(struct hci_dev *hdev) |
549 | { | |
550 | struct btmrvl_private *priv = hci_get_drvdata(hdev); | |
9b89fdfe | 551 | int ret; |
4b245722 | 552 | |
9b89fdfe AK |
553 | ret = btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ); |
554 | if (ret) | |
555 | return ret; | |
4b245722 | 556 | |
d716892f | 557 | priv->btmrvl_dev.gpio_gap = 0xfffe; |
025a60a7 AK |
558 | |
559 | btmrvl_check_device_tree(priv); | |
2cc86890 | 560 | |
a715d11e AK |
561 | btmrvl_enable_sco_routing_to_host(priv); |
562 | ||
4df82b59 BZ |
563 | btmrvl_pscan_window_reporting(priv, 0x01); |
564 | ||
4b245722 AK |
565 | priv->btmrvl_dev.psmode = 1; |
566 | btmrvl_enable_ps(priv); | |
567 | ||
4b245722 AK |
568 | btmrvl_send_hscfg_cmd(priv); |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
27b869f5 AK |
573 | static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
574 | { | |
575 | struct sk_buff *skb; | |
576 | long ret; | |
577 | u8 buf[8]; | |
578 | ||
579 | buf[0] = MRVL_VENDOR_PKT; | |
580 | buf[1] = sizeof(bdaddr_t); | |
581 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
582 | ||
583 | skb = __hci_cmd_sync(hdev, BT_CMD_SET_BDADDR, sizeof(buf), buf, | |
584 | HCI_INIT_TIMEOUT); | |
585 | if (IS_ERR(skb)) { | |
586 | ret = PTR_ERR(skb); | |
587 | BT_ERR("%s: changing btmrvl device address failed (%ld)", | |
588 | hdev->name, ret); | |
589 | return ret; | |
590 | } | |
591 | kfree_skb(skb); | |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
132ff4e5 BZ |
596 | /* |
597 | * This function handles the event generated by firmware, rx data | |
598 | * received from firmware, and tx data sent from kernel. | |
599 | */ | |
600 | static int btmrvl_service_main_thread(void *data) | |
601 | { | |
602 | struct btmrvl_thread *thread = data; | |
603 | struct btmrvl_private *priv = thread->priv; | |
604 | struct btmrvl_adapter *adapter = priv->adapter; | |
605 | wait_queue_t wait; | |
606 | struct sk_buff *skb; | |
607 | ulong flags; | |
608 | ||
132ff4e5 BZ |
609 | init_waitqueue_entry(&wait, current); |
610 | ||
132ff4e5 BZ |
611 | for (;;) { |
612 | add_wait_queue(&thread->wait_q, &wait); | |
613 | ||
614 | set_current_state(TASK_INTERRUPTIBLE); | |
7b4b8740 | 615 | if (kthread_should_stop() || priv->surprise_removed) { |
ea05fea9 DD |
616 | BT_DBG("main_thread: break from main thread"); |
617 | break; | |
618 | } | |
132ff4e5 BZ |
619 | |
620 | if (adapter->wakeup_tries || | |
4271e08d MH |
621 | ((!adapter->int_count) && |
622 | (!priv->btmrvl_dev.tx_dnld_rdy || | |
623 | skb_queue_empty(&adapter->tx_queue)))) { | |
132ff4e5 BZ |
624 | BT_DBG("main_thread is sleeping..."); |
625 | schedule(); | |
626 | } | |
627 | ||
628 | set_current_state(TASK_RUNNING); | |
629 | ||
630 | remove_wait_queue(&thread->wait_q, &wait); | |
631 | ||
632 | BT_DBG("main_thread woke up"); | |
633 | ||
7b4b8740 | 634 | if (kthread_should_stop() || priv->surprise_removed) { |
8b324fa6 AK |
635 | BT_DBG("main_thread: break from main thread"); |
636 | break; | |
637 | } | |
638 | ||
132ff4e5 BZ |
639 | spin_lock_irqsave(&priv->driver_lock, flags); |
640 | if (adapter->int_count) { | |
641 | adapter->int_count = 0; | |
d1d10d78 AK |
642 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
643 | priv->hw_process_int_status(priv); | |
4271e08d MH |
644 | } else if (adapter->ps_state == PS_SLEEP && |
645 | !skb_queue_empty(&adapter->tx_queue)) { | |
132ff4e5 BZ |
646 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
647 | adapter->wakeup_tries++; | |
648 | priv->hw_wakeup_firmware(priv); | |
649 | continue; | |
d1d10d78 AK |
650 | } else { |
651 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
132ff4e5 | 652 | } |
132ff4e5 BZ |
653 | |
654 | if (adapter->ps_state == PS_SLEEP) | |
655 | continue; | |
656 | ||
8cf60cf2 CRL |
657 | if (!priv->btmrvl_dev.tx_dnld_rdy || |
658 | priv->adapter->is_suspended) | |
132ff4e5 BZ |
659 | continue; |
660 | ||
661 | skb = skb_dequeue(&adapter->tx_queue); | |
662 | if (skb) { | |
663 | if (btmrvl_tx_pkt(priv, skb)) | |
664 | priv->btmrvl_dev.hcidev->stat.err_tx++; | |
665 | else | |
4271e08d | 666 | priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
132ff4e5 BZ |
667 | |
668 | kfree_skb(skb); | |
669 | } | |
670 | } | |
671 | ||
132ff4e5 BZ |
672 | return 0; |
673 | } | |
674 | ||
64061607 | 675 | int btmrvl_register_hdev(struct btmrvl_private *priv) |
132ff4e5 BZ |
676 | { |
677 | struct hci_dev *hdev = NULL; | |
132ff4e5 BZ |
678 | int ret; |
679 | ||
132ff4e5 BZ |
680 | hdev = hci_alloc_dev(); |
681 | if (!hdev) { | |
682 | BT_ERR("Can not allocate HCI device"); | |
683 | goto err_hdev; | |
684 | } | |
685 | ||
132ff4e5 | 686 | priv->btmrvl_dev.hcidev = hdev; |
155961e8 | 687 | hci_set_drvdata(hdev, priv); |
132ff4e5 | 688 | |
e93ac9c0 MH |
689 | hdev->bus = HCI_SDIO; |
690 | hdev->open = btmrvl_open; | |
132ff4e5 BZ |
691 | hdev->close = btmrvl_close; |
692 | hdev->flush = btmrvl_flush; | |
e93ac9c0 | 693 | hdev->send = btmrvl_send_frame; |
4b245722 | 694 | hdev->setup = btmrvl_setup; |
27b869f5 | 695 | hdev->set_bdaddr = btmrvl_set_bdaddr; |
64061607 | 696 | |
f120c6b6 BZ |
697 | hdev->dev_type = priv->btmrvl_dev.dev_type; |
698 | ||
132ff4e5 BZ |
699 | ret = hci_register_dev(hdev); |
700 | if (ret < 0) { | |
701 | BT_ERR("Can not register HCI device"); | |
702 | goto err_hci_register_dev; | |
703 | } | |
704 | ||
fb784f05 BZ |
705 | #ifdef CONFIG_DEBUG_FS |
706 | btmrvl_debugfs_init(hdev); | |
707 | #endif | |
708 | ||
64061607 | 709 | return 0; |
132ff4e5 BZ |
710 | |
711 | err_hci_register_dev: | |
132ff4e5 BZ |
712 | hci_free_dev(hdev); |
713 | ||
714 | err_hdev: | |
64061607 BZ |
715 | /* Stop the thread servicing the interrupts */ |
716 | kthread_stop(priv->main_thread.task); | |
717 | ||
132ff4e5 | 718 | btmrvl_free_adapter(priv); |
64061607 BZ |
719 | kfree(priv); |
720 | ||
721 | return -ENOMEM; | |
722 | } | |
723 | EXPORT_SYMBOL_GPL(btmrvl_register_hdev); | |
724 | ||
725 | struct btmrvl_private *btmrvl_add_card(void *card) | |
726 | { | |
727 | struct btmrvl_private *priv; | |
728 | ||
729 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
730 | if (!priv) { | |
731 | BT_ERR("Can not allocate priv"); | |
732 | goto err_priv; | |
733 | } | |
734 | ||
735 | priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); | |
736 | if (!priv->adapter) { | |
737 | BT_ERR("Allocate buffer for btmrvl_adapter failed!"); | |
738 | goto err_adapter; | |
739 | } | |
740 | ||
741 | btmrvl_init_adapter(priv); | |
742 | ||
743 | BT_DBG("Starting kthread..."); | |
744 | priv->main_thread.priv = priv; | |
745 | spin_lock_init(&priv->driver_lock); | |
746 | ||
747 | init_waitqueue_head(&priv->main_thread.wait_q); | |
748 | priv->main_thread.task = kthread_run(btmrvl_service_main_thread, | |
749 | &priv->main_thread, "btmrvl_main_service"); | |
8500d791 AP |
750 | if (IS_ERR(priv->main_thread.task)) |
751 | goto err_thread; | |
64061607 BZ |
752 | |
753 | priv->btmrvl_dev.card = card; | |
754 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
755 | ||
756 | return priv; | |
132ff4e5 | 757 | |
8500d791 AP |
758 | err_thread: |
759 | btmrvl_free_adapter(priv); | |
760 | ||
132ff4e5 BZ |
761 | err_adapter: |
762 | kfree(priv); | |
763 | ||
764 | err_priv: | |
132ff4e5 BZ |
765 | return NULL; |
766 | } | |
767 | EXPORT_SYMBOL_GPL(btmrvl_add_card); | |
768 | ||
769 | int btmrvl_remove_card(struct btmrvl_private *priv) | |
770 | { | |
771 | struct hci_dev *hdev; | |
772 | ||
132ff4e5 BZ |
773 | hdev = priv->btmrvl_dev.hcidev; |
774 | ||
775 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
396e04f4 | 776 | wake_up_interruptible(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
777 | |
778 | kthread_stop(priv->main_thread.task); | |
779 | ||
fb784f05 BZ |
780 | #ifdef CONFIG_DEBUG_FS |
781 | btmrvl_debugfs_remove(hdev); | |
782 | #endif | |
783 | ||
132ff4e5 BZ |
784 | hci_unregister_dev(hdev); |
785 | ||
786 | hci_free_dev(hdev); | |
787 | ||
788 | priv->btmrvl_dev.hcidev = NULL; | |
789 | ||
790 | btmrvl_free_adapter(priv); | |
791 | ||
792 | kfree(priv); | |
793 | ||
132ff4e5 BZ |
794 | return 0; |
795 | } | |
796 | EXPORT_SYMBOL_GPL(btmrvl_remove_card); | |
797 | ||
798 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 799 | MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
132ff4e5 BZ |
800 | MODULE_VERSION(VERSION); |
801 | MODULE_LICENSE("GPL v2"); |