Commit | Line | Data |
---|---|---|
99c926ce | 1 | // SPDX-License-Identifier: GPL-2.0-only |
be6c5ba2 | 2 | /* |
132ff4e5 BZ |
3 | * Marvell Bluetooth driver |
4 | * | |
5 | * Copyright (C) 2009, Marvell International Ltd. | |
132ff4e5 BZ |
6 | **/ |
7 | ||
a59b968e | 8 | #include <linux/module.h> |
433a9389 | 9 | #include <linux/of.h> |
132ff4e5 BZ |
10 | #include <net/bluetooth/bluetooth.h> |
11 | #include <net/bluetooth/hci_core.h> | |
dc759613 | 12 | #include <linux/mmc/sdio_func.h> |
132ff4e5 BZ |
13 | |
14 | #include "btmrvl_drv.h" | |
0d367408 | 15 | #include "btmrvl_sdio.h" |
132ff4e5 BZ |
16 | |
17 | #define VERSION "1.0" | |
18 | ||
19 | /* | |
20 | * This function is called by interface specific interrupt handler. | |
21 | * It updates Power Save & Host Sleep states, and wakes up the main | |
22 | * thread. | |
23 | */ | |
24 | void btmrvl_interrupt(struct btmrvl_private *priv) | |
25 | { | |
132ff4e5 BZ |
26 | priv->adapter->ps_state = PS_AWAKE; |
27 | ||
28 | priv->adapter->wakeup_tries = 0; | |
29 | ||
30 | priv->adapter->int_count++; | |
31 | ||
4c79e1dd | 32 | if (priv->adapter->hs_state == HS_ACTIVATED) { |
7365d475 | 33 | BT_DBG("BT: HS DEACTIVATED in ISR!"); |
4c79e1dd AK |
34 | priv->adapter->hs_state = HS_DEACTIVATED; |
35 | } | |
36 | ||
132ff4e5 | 37 | wake_up_interruptible(&priv->main_thread.wait_q); |
132ff4e5 BZ |
38 | } |
39 | EXPORT_SYMBOL_GPL(btmrvl_interrupt); | |
40 | ||
ea1e76a3 | 41 | bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb) |
132ff4e5 | 42 | { |
4271e08d | 43 | struct hci_event_hdr *hdr = (void *) skb->data; |
132ff4e5 | 44 | |
132ff4e5 | 45 | if (hdr->evt == HCI_EV_CMD_COMPLETE) { |
2c2453f3 | 46 | struct hci_ev_cmd_complete *ec; |
3e4543ab | 47 | u16 opcode; |
2c2453f3 | 48 | |
4271e08d | 49 | ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE); |
132ff4e5 | 50 | opcode = __le16_to_cpu(ec->opcode); |
ea1e76a3 | 51 | |
c037874c | 52 | if (priv->btmrvl_dev.sendcmdflag) { |
132ff4e5 BZ |
53 | priv->btmrvl_dev.sendcmdflag = false; |
54 | priv->adapter->cmd_complete = true; | |
55 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
ea1e76a3 | 56 | |
d986b4a6 AK |
57 | if (hci_opcode_ogf(opcode) == 0x3F) { |
58 | BT_DBG("vendor event skipped: opcode=%#4.4x", | |
59 | opcode); | |
60 | kfree_skb(skb); | |
61 | return false; | |
62 | } | |
ea1e76a3 | 63 | } |
132ff4e5 | 64 | } |
ea1e76a3 AE |
65 | |
66 | return true; | |
132ff4e5 BZ |
67 | } |
68 | EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt); | |
69 | ||
70 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb) | |
71 | { | |
72 | struct btmrvl_adapter *adapter = priv->adapter; | |
132ff4e5 | 73 | struct btmrvl_event *event; |
31f085fe | 74 | int ret = 0; |
132ff4e5 | 75 | |
132ff4e5 BZ |
76 | event = (struct btmrvl_event *) skb->data; |
77 | if (event->ec != 0xff) { | |
78 | BT_DBG("Not Marvell Event=%x", event->ec); | |
79 | ret = -EINVAL; | |
80 | goto exit; | |
81 | } | |
82 | ||
83 | switch (event->data[0]) { | |
3e4543ab | 84 | case BT_EVENT_AUTO_SLEEP_MODE: |
132ff4e5 BZ |
85 | if (!event->data[2]) { |
86 | if (event->data[1] == BT_PS_ENABLE) | |
87 | adapter->psmode = 1; | |
88 | else | |
89 | adapter->psmode = 0; | |
90 | BT_DBG("PS Mode:%s", | |
91 | (adapter->psmode) ? "Enable" : "Disable"); | |
92 | } else { | |
93 | BT_DBG("PS Mode command failed"); | |
94 | } | |
95 | break; | |
96 | ||
3e4543ab | 97 | case BT_EVENT_HOST_SLEEP_CONFIG: |
132ff4e5 BZ |
98 | if (!event->data[3]) |
99 | BT_DBG("gpio=%x, gap=%x", event->data[1], | |
4271e08d | 100 | event->data[2]); |
132ff4e5 BZ |
101 | else |
102 | BT_DBG("HSCFG command failed"); | |
103 | break; | |
104 | ||
3e4543ab | 105 | case BT_EVENT_HOST_SLEEP_ENABLE: |
132ff4e5 BZ |
106 | if (!event->data[1]) { |
107 | adapter->hs_state = HS_ACTIVATED; | |
108 | if (adapter->psmode) | |
109 | adapter->ps_state = PS_SLEEP; | |
396e04f4 | 110 | wake_up_interruptible(&adapter->event_hs_wait_q); |
132ff4e5 BZ |
111 | BT_DBG("HS ACTIVATED!"); |
112 | } else { | |
113 | BT_DBG("HS Enable failed"); | |
114 | } | |
115 | break; | |
116 | ||
3e4543ab | 117 | case BT_EVENT_MODULE_CFG_REQ: |
4271e08d MH |
118 | if (priv->btmrvl_dev.sendcmdflag && |
119 | event->data[1] == MODULE_BRINGUP_REQ) { | |
903c8437 BZ |
120 | BT_DBG("EVENT:%s", |
121 | ((event->data[2] == MODULE_BROUGHT_UP) || | |
122 | (event->data[2] == MODULE_ALREADY_UP)) ? | |
123 | "Bring-up succeed" : "Bring-up failed"); | |
f120c6b6 | 124 | |
8f1e1742 DV |
125 | if (event->length > 3 && event->data[3]) |
126 | priv->btmrvl_dev.dev_type = HCI_AMP; | |
f120c6b6 | 127 | else |
ca8bee5d | 128 | priv->btmrvl_dev.dev_type = HCI_PRIMARY; |
f120c6b6 BZ |
129 | |
130 | BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type); | |
4271e08d MH |
131 | } else if (priv->btmrvl_dev.sendcmdflag && |
132 | event->data[1] == MODULE_SHUTDOWN_REQ) { | |
132ff4e5 BZ |
133 | BT_DBG("EVENT:%s", (event->data[2]) ? |
134 | "Shutdown failed" : "Shutdown succeed"); | |
135 | } else { | |
136 | BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP"); | |
137 | ret = -EINVAL; | |
138 | } | |
139 | break; | |
140 | ||
141 | case BT_EVENT_POWER_STATE: | |
142 | if (event->data[1] == BT_PS_SLEEP) | |
143 | adapter->ps_state = PS_SLEEP; | |
144 | BT_DBG("EVENT:%s", | |
145 | (adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE"); | |
146 | break; | |
147 | ||
148 | default: | |
149 | BT_DBG("Unknown Event=%d", event->data[0]); | |
150 | ret = -EINVAL; | |
151 | break; | |
152 | } | |
153 | ||
154 | exit: | |
155 | if (!ret) | |
156 | kfree_skb(skb); | |
157 | ||
132ff4e5 BZ |
158 | return ret; |
159 | } | |
160 | EXPORT_SYMBOL_GPL(btmrvl_process_event); | |
161 | ||
3e4543ab | 162 | static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode, |
c037874c | 163 | const void *param, u8 len) |
132ff4e5 | 164 | { |
4271e08d | 165 | struct sk_buff *skb; |
7d5b400c | 166 | struct hci_command_hdr *hdr; |
132ff4e5 | 167 | |
7b4b8740 AK |
168 | if (priv->surprise_removed) { |
169 | BT_ERR("Card is removed"); | |
170 | return -EFAULT; | |
171 | } | |
172 | ||
1ebbf046 | 173 | skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_KERNEL); |
1f438c61 | 174 | if (!skb) { |
132ff4e5 | 175 | BT_ERR("No free skb"); |
9374253f | 176 | return -ENOMEM; |
132ff4e5 BZ |
177 | } |
178 | ||
4df864c1 | 179 | hdr = skb_put(skb, HCI_COMMAND_HDR_SIZE); |
3e4543ab | 180 | hdr->opcode = cpu_to_le16(opcode); |
7d5b400c | 181 | hdr->plen = len; |
c037874c AK |
182 | |
183 | if (len) | |
59ae1d12 | 184 | skb_put_data(skb, param, len); |
132ff4e5 | 185 | |
618e8bc2 | 186 | hci_skb_pkt_type(skb) = MRVL_VENDOR_PKT; |
132ff4e5 | 187 | |
132ff4e5 BZ |
188 | skb_queue_head(&priv->adapter->tx_queue, skb); |
189 | ||
190 | priv->btmrvl_dev.sendcmdflag = true; | |
191 | ||
192 | priv->adapter->cmd_complete = false; | |
193 | ||
132ff4e5 BZ |
194 | wake_up_interruptible(&priv->main_thread.wait_q); |
195 | ||
4271e08d | 196 | if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
a9cc32d9 AK |
197 | priv->adapter->cmd_complete || |
198 | priv->surprise_removed, | |
0333d6dd | 199 | WAIT_UNTIL_CMD_RESP)) |
c037874c AK |
200 | return -ETIMEDOUT; |
201 | ||
a9cc32d9 AK |
202 | if (priv->surprise_removed) |
203 | return -EFAULT; | |
204 | ||
c037874c AK |
205 | return 0; |
206 | } | |
132ff4e5 | 207 | |
7125df53 | 208 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd) |
c037874c AK |
209 | { |
210 | int ret; | |
211 | ||
212 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1); | |
213 | if (ret) | |
7365d475 | 214 | BT_ERR("module_cfg_cmd(%x) failed", subcmd); |
132ff4e5 | 215 | |
132ff4e5 BZ |
216 | return ret; |
217 | } | |
218 | EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd); | |
219 | ||
a715d11e AK |
220 | static int btmrvl_enable_sco_routing_to_host(struct btmrvl_private *priv) |
221 | { | |
222 | int ret; | |
223 | u8 subcmd = 0; | |
224 | ||
225 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_ROUTE_SCO_TO_HOST, &subcmd, 1); | |
226 | if (ret) | |
227 | BT_ERR("BT_CMD_ROUTE_SCO_TO_HOST command failed: %#x", ret); | |
228 | ||
229 | return ret; | |
230 | } | |
231 | ||
4df82b59 BZ |
232 | int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd) |
233 | { | |
234 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
235 | int ret; | |
236 | ||
237 | if (!card->support_pscan_win_report) | |
238 | return 0; | |
239 | ||
240 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE, | |
241 | &subcmd, 1); | |
242 | if (ret) | |
243 | BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret); | |
244 | ||
245 | return ret; | |
246 | } | |
247 | EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting); | |
248 | ||
2a8ff611 AK |
249 | int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv) |
250 | { | |
c037874c AK |
251 | int ret; |
252 | u8 param[2]; | |
2a8ff611 | 253 | |
c037874c AK |
254 | param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; |
255 | param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2a8ff611 | 256 | |
c037874c AK |
257 | BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x", |
258 | param[0], param[1]); | |
2a8ff611 | 259 | |
c037874c AK |
260 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2); |
261 | if (ret) | |
7365d475 | 262 | BT_ERR("HSCFG command failed"); |
2a8ff611 | 263 | |
c037874c | 264 | return ret; |
2a8ff611 AK |
265 | } |
266 | EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd); | |
267 | ||
32fd6398 AK |
268 | int btmrvl_enable_ps(struct btmrvl_private *priv) |
269 | { | |
c037874c AK |
270 | int ret; |
271 | u8 param; | |
32fd6398 AK |
272 | |
273 | if (priv->btmrvl_dev.psmode) | |
c037874c | 274 | param = BT_PS_ENABLE; |
32fd6398 | 275 | else |
c037874c | 276 | param = BT_PS_DISABLE; |
32fd6398 | 277 | |
c037874c AK |
278 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, ¶m, 1); |
279 | if (ret) | |
7365d475 | 280 | BT_ERR("PSMODE command failed"); |
32fd6398 AK |
281 | |
282 | return 0; | |
283 | } | |
284 | EXPORT_SYMBOL_GPL(btmrvl_enable_ps); | |
285 | ||
ba54a16f | 286 | int btmrvl_enable_hs(struct btmrvl_private *priv) |
132ff4e5 | 287 | { |
396e04f4 | 288 | struct btmrvl_adapter *adapter = priv->adapter; |
c037874c | 289 | int ret; |
132ff4e5 | 290 | |
c037874c | 291 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0); |
396e04f4 | 292 | if (ret) { |
7365d475 | 293 | BT_ERR("Host sleep enable command failed"); |
396e04f4 CRL |
294 | return ret; |
295 | } | |
296 | ||
297 | ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q, | |
a9cc32d9 AK |
298 | adapter->hs_state || |
299 | priv->surprise_removed, | |
0333d6dd | 300 | WAIT_UNTIL_HS_STATE_CHANGED); |
a9cc32d9 | 301 | if (ret < 0 || priv->surprise_removed) { |
396e04f4 CRL |
302 | BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d", |
303 | ret, adapter->hs_state, adapter->ps_state, | |
304 | adapter->wakeup_tries); | |
305 | } else if (!ret) { | |
306 | BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state, | |
307 | adapter->ps_state, adapter->wakeup_tries); | |
308 | ret = -ETIMEDOUT; | |
309 | } else { | |
310 | BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state, | |
311 | adapter->ps_state, adapter->wakeup_tries); | |
312 | ret = 0; | |
313 | } | |
132ff4e5 | 314 | |
132ff4e5 BZ |
315 | return ret; |
316 | } | |
ba54a16f | 317 | EXPORT_SYMBOL_GPL(btmrvl_enable_hs); |
132ff4e5 BZ |
318 | |
319 | int btmrvl_prepare_command(struct btmrvl_private *priv) | |
320 | { | |
9374253f | 321 | int ret = 0; |
132ff4e5 BZ |
322 | |
323 | if (priv->btmrvl_dev.hscfgcmd) { | |
324 | priv->btmrvl_dev.hscfgcmd = 0; | |
2a8ff611 | 325 | btmrvl_send_hscfg_cmd(priv); |
132ff4e5 BZ |
326 | } |
327 | ||
328 | if (priv->btmrvl_dev.pscmd) { | |
329 | priv->btmrvl_dev.pscmd = 0; | |
32fd6398 | 330 | btmrvl_enable_ps(priv); |
132ff4e5 BZ |
331 | } |
332 | ||
333 | if (priv->btmrvl_dev.hscmd) { | |
334 | priv->btmrvl_dev.hscmd = 0; | |
335 | ||
336 | if (priv->btmrvl_dev.hsmode) { | |
337 | ret = btmrvl_enable_hs(priv); | |
338 | } else { | |
339 | ret = priv->hw_wakeup_firmware(priv); | |
340 | priv->adapter->hs_state = HS_DEACTIVATED; | |
7365d475 | 341 | BT_DBG("BT: HS DEACTIVATED due to host activity!"); |
132ff4e5 BZ |
342 | } |
343 | } | |
344 | ||
132ff4e5 BZ |
345 | return ret; |
346 | } | |
347 | ||
348 | static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) | |
349 | { | |
9374253f | 350 | int ret = 0; |
132ff4e5 | 351 | |
9374253f | 352 | if (!skb || !skb->data) |
132ff4e5 | 353 | return -EINVAL; |
132ff4e5 BZ |
354 | |
355 | if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { | |
356 | BT_ERR("Tx Error: Bad skb length %d : %d", | |
4271e08d | 357 | skb->len, BTM_UPLD_SIZE); |
132ff4e5 BZ |
358 | return -EINVAL; |
359 | } | |
360 | ||
132ff4e5 BZ |
361 | skb_push(skb, BTM_HEADER_LEN); |
362 | ||
363 | /* header type: byte[3] | |
364 | * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor | |
365 | * header length: byte[2][1][0] | |
366 | */ | |
367 | ||
368 | skb->data[0] = (skb->len & 0x0000ff); | |
369 | skb->data[1] = (skb->len & 0x00ff00) >> 8; | |
370 | skb->data[2] = (skb->len & 0xff0000) >> 16; | |
618e8bc2 | 371 | skb->data[3] = hci_skb_pkt_type(skb); |
132ff4e5 BZ |
372 | |
373 | if (priv->hw_host_to_card) | |
374 | ret = priv->hw_host_to_card(priv, skb->data, skb->len); | |
375 | ||
132ff4e5 BZ |
376 | return ret; |
377 | } | |
378 | ||
379 | static void btmrvl_init_adapter(struct btmrvl_private *priv) | |
380 | { | |
0d367408 BZ |
381 | int buf_size; |
382 | ||
132ff4e5 BZ |
383 | skb_queue_head_init(&priv->adapter->tx_queue); |
384 | ||
385 | priv->adapter->ps_state = PS_AWAKE; | |
386 | ||
0d367408 BZ |
387 | buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN); |
388 | priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL); | |
389 | if (!priv->adapter->hw_regs_buf) { | |
390 | priv->adapter->hw_regs = NULL; | |
391 | BT_ERR("Unable to allocate buffer for hw_regs."); | |
392 | } else { | |
393 | priv->adapter->hw_regs = | |
394 | (u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf, | |
395 | BTSDIO_DMA_ALIGN); | |
396 | BT_DBG("hw_regs_buf=%p hw_regs=%p", | |
397 | priv->adapter->hw_regs_buf, priv->adapter->hw_regs); | |
398 | } | |
399 | ||
132ff4e5 | 400 | init_waitqueue_head(&priv->adapter->cmd_wait_q); |
396e04f4 | 401 | init_waitqueue_head(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
402 | } |
403 | ||
404 | static void btmrvl_free_adapter(struct btmrvl_private *priv) | |
405 | { | |
132ff4e5 BZ |
406 | skb_queue_purge(&priv->adapter->tx_queue); |
407 | ||
0d367408 | 408 | kfree(priv->adapter->hw_regs_buf); |
132ff4e5 BZ |
409 | kfree(priv->adapter); |
410 | ||
411 | priv->adapter = NULL; | |
132ff4e5 BZ |
412 | } |
413 | ||
7bd8f09f | 414 | static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
132ff4e5 | 415 | { |
7648d28f | 416 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 417 | |
618e8bc2 | 418 | BT_DBG("type=%d, len=%d", hci_skb_pkt_type(skb), skb->len); |
132ff4e5 | 419 | |
8cf60cf2 CRL |
420 | if (priv->adapter->is_suspending || priv->adapter->is_suspended) { |
421 | BT_ERR("%s: Device is suspending or suspended", __func__); | |
422 | return -EBUSY; | |
423 | } | |
424 | ||
618e8bc2 | 425 | switch (hci_skb_pkt_type(skb)) { |
132ff4e5 BZ |
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 | ||
8cf60cf2 CRL |
441 | if (!priv->adapter->is_suspended) |
442 | wake_up_interruptible(&priv->main_thread.wait_q); | |
132ff4e5 | 443 | |
132ff4e5 BZ |
444 | return 0; |
445 | } | |
446 | ||
447 | static int btmrvl_flush(struct hci_dev *hdev) | |
448 | { | |
155961e8 | 449 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 450 | |
132ff4e5 BZ |
451 | skb_queue_purge(&priv->adapter->tx_queue); |
452 | ||
132ff4e5 BZ |
453 | return 0; |
454 | } | |
455 | ||
456 | static int btmrvl_close(struct hci_dev *hdev) | |
457 | { | |
155961e8 | 458 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 459 | |
132ff4e5 BZ |
460 | skb_queue_purge(&priv->adapter->tx_queue); |
461 | ||
132ff4e5 BZ |
462 | return 0; |
463 | } | |
464 | ||
465 | static int btmrvl_open(struct hci_dev *hdev) | |
466 | { | |
132ff4e5 BZ |
467 | return 0; |
468 | } | |
469 | ||
433a9389 | 470 | static int btmrvl_download_cal_data(struct btmrvl_private *priv, |
8a4934f1 | 471 | u8 *data, int len) |
2cc86890 | 472 | { |
8a4934f1 | 473 | int ret; |
2cc86890 AK |
474 | |
475 | data[0] = 0x00; | |
476 | data[1] = 0x00; | |
477 | data[2] = 0x00; | |
8a4934f1 | 478 | data[3] = len; |
2cc86890 AK |
479 | |
480 | print_hex_dump_bytes("Calibration data: ", | |
8a4934f1 | 481 | DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len); |
2cc86890 AK |
482 | |
483 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data, | |
8a4934f1 | 484 | BT_CAL_HDR_LEN + len); |
2cc86890 | 485 | if (ret) |
a9a4840d | 486 | BT_ERR("Failed to download calibration data"); |
2cc86890 AK |
487 | |
488 | return 0; | |
489 | } | |
490 | ||
025a60a7 | 491 | static int btmrvl_check_device_tree(struct btmrvl_private *priv) |
2cc86890 | 492 | { |
433a9389 | 493 | struct device_node *dt_node; |
bb7f4f0b | 494 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
8a4934f1 | 495 | u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE]; |
bb7f4f0b XH |
496 | int ret = 0; |
497 | u16 gpio, gap; | |
498 | ||
499 | if (card->plt_of_node) { | |
500 | dt_node = card->plt_of_node; | |
501 | ret = of_property_read_u16(dt_node, "marvell,wakeup-pin", | |
502 | &gpio); | |
503 | if (ret) | |
504 | gpio = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; | |
505 | ||
506 | ret = of_property_read_u16(dt_node, "marvell,wakeup-gap-ms", | |
507 | &gap); | |
508 | if (ret) | |
509 | gap = (u8)(priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2cc86890 | 510 | |
bb7f4f0b | 511 | priv->btmrvl_dev.gpio_gap = (gpio << 8) + gap; |
025a60a7 | 512 | |
bb7f4f0b | 513 | ret = of_property_read_u8_array(dt_node, "marvell,cal-data", |
098ea6bc AK |
514 | cal_data + BT_CAL_HDR_LEN, |
515 | BT_CAL_DATA_SIZE); | |
bb7f4f0b | 516 | if (ret) |
098ea6bc AK |
517 | return ret; |
518 | ||
519 | BT_DBG("Use cal data from device tree"); | |
520 | ret = btmrvl_download_cal_data(priv, cal_data, | |
521 | BT_CAL_DATA_SIZE); | |
bb7f4f0b | 522 | if (ret) |
098ea6bc | 523 | BT_ERR("Fail to download calibrate data"); |
2cc86890 AK |
524 | } |
525 | ||
bb7f4f0b | 526 | return ret; |
2cc86890 AK |
527 | } |
528 | ||
4b245722 AK |
529 | static int btmrvl_setup(struct hci_dev *hdev) |
530 | { | |
531 | struct btmrvl_private *priv = hci_get_drvdata(hdev); | |
9b89fdfe | 532 | int ret; |
4b245722 | 533 | |
9b89fdfe AK |
534 | ret = btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ); |
535 | if (ret) | |
536 | return ret; | |
4b245722 | 537 | |
d716892f | 538 | priv->btmrvl_dev.gpio_gap = 0xfffe; |
025a60a7 AK |
539 | |
540 | btmrvl_check_device_tree(priv); | |
2cc86890 | 541 | |
a715d11e AK |
542 | btmrvl_enable_sco_routing_to_host(priv); |
543 | ||
4df82b59 BZ |
544 | btmrvl_pscan_window_reporting(priv, 0x01); |
545 | ||
4b245722 AK |
546 | priv->btmrvl_dev.psmode = 1; |
547 | btmrvl_enable_ps(priv); | |
548 | ||
4b245722 AK |
549 | btmrvl_send_hscfg_cmd(priv); |
550 | ||
551 | return 0; | |
552 | } | |
553 | ||
27b869f5 AK |
554 | static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
555 | { | |
556 | struct sk_buff *skb; | |
557 | long ret; | |
558 | u8 buf[8]; | |
559 | ||
560 | buf[0] = MRVL_VENDOR_PKT; | |
561 | buf[1] = sizeof(bdaddr_t); | |
562 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
563 | ||
564 | skb = __hci_cmd_sync(hdev, BT_CMD_SET_BDADDR, sizeof(buf), buf, | |
565 | HCI_INIT_TIMEOUT); | |
566 | if (IS_ERR(skb)) { | |
567 | ret = PTR_ERR(skb); | |
568 | BT_ERR("%s: changing btmrvl device address failed (%ld)", | |
569 | hdev->name, ret); | |
570 | return ret; | |
571 | } | |
572 | kfree_skb(skb); | |
573 | ||
574 | return 0; | |
575 | } | |
576 | ||
4539ca67 | 577 | static bool btmrvl_wakeup(struct hci_dev *hdev) |
76d4c130 APS |
578 | { |
579 | struct btmrvl_private *priv = hci_get_drvdata(hdev); | |
580 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
581 | ||
4539ca67 | 582 | return device_may_wakeup(&card->func->dev); |
76d4c130 APS |
583 | } |
584 | ||
132ff4e5 BZ |
585 | /* |
586 | * This function handles the event generated by firmware, rx data | |
587 | * received from firmware, and tx data sent from kernel. | |
588 | */ | |
589 | static int btmrvl_service_main_thread(void *data) | |
590 | { | |
591 | struct btmrvl_thread *thread = data; | |
592 | struct btmrvl_private *priv = thread->priv; | |
593 | struct btmrvl_adapter *adapter = priv->adapter; | |
ac6424b9 | 594 | wait_queue_entry_t wait; |
132ff4e5 BZ |
595 | struct sk_buff *skb; |
596 | ulong flags; | |
597 | ||
132ff4e5 BZ |
598 | init_waitqueue_entry(&wait, current); |
599 | ||
132ff4e5 BZ |
600 | for (;;) { |
601 | add_wait_queue(&thread->wait_q, &wait); | |
602 | ||
603 | set_current_state(TASK_INTERRUPTIBLE); | |
7b4b8740 | 604 | if (kthread_should_stop() || priv->surprise_removed) { |
ea05fea9 DD |
605 | BT_DBG("main_thread: break from main thread"); |
606 | break; | |
607 | } | |
132ff4e5 BZ |
608 | |
609 | if (adapter->wakeup_tries || | |
4271e08d MH |
610 | ((!adapter->int_count) && |
611 | (!priv->btmrvl_dev.tx_dnld_rdy || | |
612 | skb_queue_empty(&adapter->tx_queue)))) { | |
132ff4e5 BZ |
613 | BT_DBG("main_thread is sleeping..."); |
614 | schedule(); | |
615 | } | |
616 | ||
617 | set_current_state(TASK_RUNNING); | |
618 | ||
619 | remove_wait_queue(&thread->wait_q, &wait); | |
620 | ||
621 | BT_DBG("main_thread woke up"); | |
622 | ||
7b4b8740 | 623 | if (kthread_should_stop() || priv->surprise_removed) { |
8b324fa6 AK |
624 | BT_DBG("main_thread: break from main thread"); |
625 | break; | |
626 | } | |
627 | ||
132ff4e5 BZ |
628 | spin_lock_irqsave(&priv->driver_lock, flags); |
629 | if (adapter->int_count) { | |
630 | adapter->int_count = 0; | |
d1d10d78 AK |
631 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
632 | priv->hw_process_int_status(priv); | |
4271e08d MH |
633 | } else if (adapter->ps_state == PS_SLEEP && |
634 | !skb_queue_empty(&adapter->tx_queue)) { | |
132ff4e5 BZ |
635 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
636 | adapter->wakeup_tries++; | |
637 | priv->hw_wakeup_firmware(priv); | |
638 | continue; | |
d1d10d78 AK |
639 | } else { |
640 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
132ff4e5 | 641 | } |
132ff4e5 BZ |
642 | |
643 | if (adapter->ps_state == PS_SLEEP) | |
644 | continue; | |
645 | ||
8cf60cf2 CRL |
646 | if (!priv->btmrvl_dev.tx_dnld_rdy || |
647 | priv->adapter->is_suspended) | |
132ff4e5 BZ |
648 | continue; |
649 | ||
650 | skb = skb_dequeue(&adapter->tx_queue); | |
651 | if (skb) { | |
652 | if (btmrvl_tx_pkt(priv, skb)) | |
653 | priv->btmrvl_dev.hcidev->stat.err_tx++; | |
654 | else | |
4271e08d | 655 | priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
132ff4e5 BZ |
656 | |
657 | kfree_skb(skb); | |
658 | } | |
659 | } | |
660 | ||
132ff4e5 BZ |
661 | return 0; |
662 | } | |
663 | ||
64061607 | 664 | int btmrvl_register_hdev(struct btmrvl_private *priv) |
132ff4e5 BZ |
665 | { |
666 | struct hci_dev *hdev = NULL; | |
70a7808b | 667 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
132ff4e5 BZ |
668 | int ret; |
669 | ||
132ff4e5 BZ |
670 | hdev = hci_alloc_dev(); |
671 | if (!hdev) { | |
672 | BT_ERR("Can not allocate HCI device"); | |
673 | goto err_hdev; | |
674 | } | |
675 | ||
132ff4e5 | 676 | priv->btmrvl_dev.hcidev = hdev; |
155961e8 | 677 | hci_set_drvdata(hdev, priv); |
132ff4e5 | 678 | |
e93ac9c0 MH |
679 | hdev->bus = HCI_SDIO; |
680 | hdev->open = btmrvl_open; | |
132ff4e5 BZ |
681 | hdev->close = btmrvl_close; |
682 | hdev->flush = btmrvl_flush; | |
e93ac9c0 | 683 | hdev->send = btmrvl_send_frame; |
4b245722 | 684 | hdev->setup = btmrvl_setup; |
27b869f5 | 685 | hdev->set_bdaddr = btmrvl_set_bdaddr; |
4539ca67 | 686 | hdev->wakeup = btmrvl_wakeup; |
70a7808b | 687 | SET_HCIDEV_DEV(hdev, &card->func->dev); |
64061607 | 688 | |
f120c6b6 BZ |
689 | hdev->dev_type = priv->btmrvl_dev.dev_type; |
690 | ||
132ff4e5 BZ |
691 | ret = hci_register_dev(hdev); |
692 | if (ret < 0) { | |
693 | BT_ERR("Can not register HCI device"); | |
694 | goto err_hci_register_dev; | |
695 | } | |
696 | ||
fb784f05 BZ |
697 | #ifdef CONFIG_DEBUG_FS |
698 | btmrvl_debugfs_init(hdev); | |
699 | #endif | |
700 | ||
64061607 | 701 | return 0; |
132ff4e5 BZ |
702 | |
703 | err_hci_register_dev: | |
132ff4e5 BZ |
704 | hci_free_dev(hdev); |
705 | ||
706 | err_hdev: | |
64061607 BZ |
707 | /* Stop the thread servicing the interrupts */ |
708 | kthread_stop(priv->main_thread.task); | |
709 | ||
132ff4e5 | 710 | btmrvl_free_adapter(priv); |
64061607 BZ |
711 | kfree(priv); |
712 | ||
713 | return -ENOMEM; | |
714 | } | |
715 | EXPORT_SYMBOL_GPL(btmrvl_register_hdev); | |
716 | ||
717 | struct btmrvl_private *btmrvl_add_card(void *card) | |
718 | { | |
719 | struct btmrvl_private *priv; | |
720 | ||
721 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
722 | if (!priv) { | |
723 | BT_ERR("Can not allocate priv"); | |
724 | goto err_priv; | |
725 | } | |
726 | ||
727 | priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); | |
728 | if (!priv->adapter) { | |
729 | BT_ERR("Allocate buffer for btmrvl_adapter failed!"); | |
730 | goto err_adapter; | |
731 | } | |
732 | ||
733 | btmrvl_init_adapter(priv); | |
734 | ||
735 | BT_DBG("Starting kthread..."); | |
736 | priv->main_thread.priv = priv; | |
737 | spin_lock_init(&priv->driver_lock); | |
738 | ||
739 | init_waitqueue_head(&priv->main_thread.wait_q); | |
740 | priv->main_thread.task = kthread_run(btmrvl_service_main_thread, | |
741 | &priv->main_thread, "btmrvl_main_service"); | |
8500d791 AP |
742 | if (IS_ERR(priv->main_thread.task)) |
743 | goto err_thread; | |
64061607 BZ |
744 | |
745 | priv->btmrvl_dev.card = card; | |
746 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
747 | ||
748 | return priv; | |
132ff4e5 | 749 | |
8500d791 AP |
750 | err_thread: |
751 | btmrvl_free_adapter(priv); | |
752 | ||
132ff4e5 BZ |
753 | err_adapter: |
754 | kfree(priv); | |
755 | ||
756 | err_priv: | |
132ff4e5 BZ |
757 | return NULL; |
758 | } | |
759 | EXPORT_SYMBOL_GPL(btmrvl_add_card); | |
760 | ||
761 | int btmrvl_remove_card(struct btmrvl_private *priv) | |
762 | { | |
763 | struct hci_dev *hdev; | |
764 | ||
132ff4e5 BZ |
765 | hdev = priv->btmrvl_dev.hcidev; |
766 | ||
767 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
396e04f4 | 768 | wake_up_interruptible(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
769 | |
770 | kthread_stop(priv->main_thread.task); | |
771 | ||
fb784f05 BZ |
772 | #ifdef CONFIG_DEBUG_FS |
773 | btmrvl_debugfs_remove(hdev); | |
774 | #endif | |
775 | ||
132ff4e5 BZ |
776 | hci_unregister_dev(hdev); |
777 | ||
778 | hci_free_dev(hdev); | |
779 | ||
780 | priv->btmrvl_dev.hcidev = NULL; | |
781 | ||
782 | btmrvl_free_adapter(priv); | |
783 | ||
784 | kfree(priv); | |
785 | ||
132ff4e5 BZ |
786 | return 0; |
787 | } | |
788 | EXPORT_SYMBOL_GPL(btmrvl_remove_card); | |
789 | ||
790 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 791 | MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
132ff4e5 BZ |
792 | MODULE_VERSION(VERSION); |
793 | MODULE_LICENSE("GPL v2"); |