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"); | |
4271e08d MH |
124 | } else if (priv->btmrvl_dev.sendcmdflag && |
125 | event->data[1] == MODULE_SHUTDOWN_REQ) { | |
132ff4e5 BZ |
126 | BT_DBG("EVENT:%s", (event->data[2]) ? |
127 | "Shutdown failed" : "Shutdown succeed"); | |
128 | } else { | |
129 | BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP"); | |
130 | ret = -EINVAL; | |
131 | } | |
132 | break; | |
133 | ||
134 | case BT_EVENT_POWER_STATE: | |
135 | if (event->data[1] == BT_PS_SLEEP) | |
136 | adapter->ps_state = PS_SLEEP; | |
137 | BT_DBG("EVENT:%s", | |
138 | (adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE"); | |
139 | break; | |
140 | ||
141 | default: | |
142 | BT_DBG("Unknown Event=%d", event->data[0]); | |
143 | ret = -EINVAL; | |
144 | break; | |
145 | } | |
146 | ||
147 | exit: | |
148 | if (!ret) | |
149 | kfree_skb(skb); | |
150 | ||
132ff4e5 BZ |
151 | return ret; |
152 | } | |
153 | EXPORT_SYMBOL_GPL(btmrvl_process_event); | |
154 | ||
3e4543ab | 155 | static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode, |
c037874c | 156 | const void *param, u8 len) |
132ff4e5 | 157 | { |
4271e08d | 158 | struct sk_buff *skb; |
7d5b400c | 159 | struct hci_command_hdr *hdr; |
132ff4e5 | 160 | |
7b4b8740 AK |
161 | if (priv->surprise_removed) { |
162 | BT_ERR("Card is removed"); | |
163 | return -EFAULT; | |
164 | } | |
165 | ||
1ebbf046 | 166 | skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_KERNEL); |
1f438c61 | 167 | if (!skb) { |
132ff4e5 | 168 | BT_ERR("No free skb"); |
9374253f | 169 | return -ENOMEM; |
132ff4e5 BZ |
170 | } |
171 | ||
4df864c1 | 172 | hdr = skb_put(skb, HCI_COMMAND_HDR_SIZE); |
3e4543ab | 173 | hdr->opcode = cpu_to_le16(opcode); |
7d5b400c | 174 | hdr->plen = len; |
c037874c AK |
175 | |
176 | if (len) | |
59ae1d12 | 177 | skb_put_data(skb, param, len); |
132ff4e5 | 178 | |
618e8bc2 | 179 | hci_skb_pkt_type(skb) = MRVL_VENDOR_PKT; |
132ff4e5 | 180 | |
132ff4e5 BZ |
181 | skb_queue_head(&priv->adapter->tx_queue, skb); |
182 | ||
183 | priv->btmrvl_dev.sendcmdflag = true; | |
184 | ||
185 | priv->adapter->cmd_complete = false; | |
186 | ||
132ff4e5 BZ |
187 | wake_up_interruptible(&priv->main_thread.wait_q); |
188 | ||
4271e08d | 189 | if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
a9cc32d9 AK |
190 | priv->adapter->cmd_complete || |
191 | priv->surprise_removed, | |
0333d6dd | 192 | WAIT_UNTIL_CMD_RESP)) |
c037874c AK |
193 | return -ETIMEDOUT; |
194 | ||
a9cc32d9 AK |
195 | if (priv->surprise_removed) |
196 | return -EFAULT; | |
197 | ||
c037874c AK |
198 | return 0; |
199 | } | |
132ff4e5 | 200 | |
7125df53 | 201 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd) |
c037874c AK |
202 | { |
203 | int ret; | |
204 | ||
205 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1); | |
206 | if (ret) | |
7365d475 | 207 | BT_ERR("module_cfg_cmd(%x) failed", subcmd); |
132ff4e5 | 208 | |
132ff4e5 BZ |
209 | return ret; |
210 | } | |
211 | EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd); | |
212 | ||
a715d11e AK |
213 | static int btmrvl_enable_sco_routing_to_host(struct btmrvl_private *priv) |
214 | { | |
215 | int ret; | |
216 | u8 subcmd = 0; | |
217 | ||
218 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_ROUTE_SCO_TO_HOST, &subcmd, 1); | |
219 | if (ret) | |
220 | BT_ERR("BT_CMD_ROUTE_SCO_TO_HOST command failed: %#x", ret); | |
221 | ||
222 | return ret; | |
223 | } | |
224 | ||
4df82b59 BZ |
225 | int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd) |
226 | { | |
227 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
228 | int ret; | |
229 | ||
230 | if (!card->support_pscan_win_report) | |
231 | return 0; | |
232 | ||
233 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE, | |
234 | &subcmd, 1); | |
235 | if (ret) | |
236 | BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret); | |
237 | ||
238 | return ret; | |
239 | } | |
240 | EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting); | |
241 | ||
2a8ff611 AK |
242 | int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv) |
243 | { | |
c037874c AK |
244 | int ret; |
245 | u8 param[2]; | |
2a8ff611 | 246 | |
c037874c AK |
247 | param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; |
248 | param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2a8ff611 | 249 | |
c037874c AK |
250 | BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x", |
251 | param[0], param[1]); | |
2a8ff611 | 252 | |
c037874c AK |
253 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2); |
254 | if (ret) | |
7365d475 | 255 | BT_ERR("HSCFG command failed"); |
2a8ff611 | 256 | |
c037874c | 257 | return ret; |
2a8ff611 AK |
258 | } |
259 | EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd); | |
260 | ||
32fd6398 AK |
261 | int btmrvl_enable_ps(struct btmrvl_private *priv) |
262 | { | |
c037874c AK |
263 | int ret; |
264 | u8 param; | |
32fd6398 AK |
265 | |
266 | if (priv->btmrvl_dev.psmode) | |
c037874c | 267 | param = BT_PS_ENABLE; |
32fd6398 | 268 | else |
c037874c | 269 | param = BT_PS_DISABLE; |
32fd6398 | 270 | |
c037874c AK |
271 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, ¶m, 1); |
272 | if (ret) | |
7365d475 | 273 | BT_ERR("PSMODE command failed"); |
32fd6398 AK |
274 | |
275 | return 0; | |
276 | } | |
277 | EXPORT_SYMBOL_GPL(btmrvl_enable_ps); | |
278 | ||
ba54a16f | 279 | int btmrvl_enable_hs(struct btmrvl_private *priv) |
132ff4e5 | 280 | { |
396e04f4 | 281 | struct btmrvl_adapter *adapter = priv->adapter; |
c037874c | 282 | int ret; |
132ff4e5 | 283 | |
c037874c | 284 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0); |
396e04f4 | 285 | if (ret) { |
7365d475 | 286 | BT_ERR("Host sleep enable command failed"); |
396e04f4 CRL |
287 | return ret; |
288 | } | |
289 | ||
290 | ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q, | |
a9cc32d9 AK |
291 | adapter->hs_state || |
292 | priv->surprise_removed, | |
0333d6dd | 293 | WAIT_UNTIL_HS_STATE_CHANGED); |
a9cc32d9 | 294 | if (ret < 0 || priv->surprise_removed) { |
396e04f4 CRL |
295 | BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d", |
296 | ret, adapter->hs_state, adapter->ps_state, | |
297 | adapter->wakeup_tries); | |
298 | } else if (!ret) { | |
299 | BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state, | |
300 | adapter->ps_state, adapter->wakeup_tries); | |
301 | ret = -ETIMEDOUT; | |
302 | } else { | |
303 | BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state, | |
304 | adapter->ps_state, adapter->wakeup_tries); | |
305 | ret = 0; | |
306 | } | |
132ff4e5 | 307 | |
132ff4e5 BZ |
308 | return ret; |
309 | } | |
ba54a16f | 310 | EXPORT_SYMBOL_GPL(btmrvl_enable_hs); |
132ff4e5 BZ |
311 | |
312 | int btmrvl_prepare_command(struct btmrvl_private *priv) | |
313 | { | |
9374253f | 314 | int ret = 0; |
132ff4e5 BZ |
315 | |
316 | if (priv->btmrvl_dev.hscfgcmd) { | |
317 | priv->btmrvl_dev.hscfgcmd = 0; | |
2a8ff611 | 318 | btmrvl_send_hscfg_cmd(priv); |
132ff4e5 BZ |
319 | } |
320 | ||
321 | if (priv->btmrvl_dev.pscmd) { | |
322 | priv->btmrvl_dev.pscmd = 0; | |
32fd6398 | 323 | btmrvl_enable_ps(priv); |
132ff4e5 BZ |
324 | } |
325 | ||
326 | if (priv->btmrvl_dev.hscmd) { | |
327 | priv->btmrvl_dev.hscmd = 0; | |
328 | ||
329 | if (priv->btmrvl_dev.hsmode) { | |
330 | ret = btmrvl_enable_hs(priv); | |
331 | } else { | |
332 | ret = priv->hw_wakeup_firmware(priv); | |
333 | priv->adapter->hs_state = HS_DEACTIVATED; | |
7365d475 | 334 | BT_DBG("BT: HS DEACTIVATED due to host activity!"); |
132ff4e5 BZ |
335 | } |
336 | } | |
337 | ||
132ff4e5 BZ |
338 | return ret; |
339 | } | |
340 | ||
341 | static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) | |
342 | { | |
9374253f | 343 | int ret = 0; |
132ff4e5 | 344 | |
9374253f | 345 | if (!skb || !skb->data) |
132ff4e5 | 346 | return -EINVAL; |
132ff4e5 BZ |
347 | |
348 | if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { | |
349 | BT_ERR("Tx Error: Bad skb length %d : %d", | |
4271e08d | 350 | skb->len, BTM_UPLD_SIZE); |
132ff4e5 BZ |
351 | return -EINVAL; |
352 | } | |
353 | ||
132ff4e5 BZ |
354 | skb_push(skb, BTM_HEADER_LEN); |
355 | ||
356 | /* header type: byte[3] | |
357 | * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor | |
358 | * header length: byte[2][1][0] | |
359 | */ | |
360 | ||
361 | skb->data[0] = (skb->len & 0x0000ff); | |
362 | skb->data[1] = (skb->len & 0x00ff00) >> 8; | |
363 | skb->data[2] = (skb->len & 0xff0000) >> 16; | |
618e8bc2 | 364 | skb->data[3] = hci_skb_pkt_type(skb); |
132ff4e5 BZ |
365 | |
366 | if (priv->hw_host_to_card) | |
367 | ret = priv->hw_host_to_card(priv, skb->data, skb->len); | |
368 | ||
132ff4e5 BZ |
369 | return ret; |
370 | } | |
371 | ||
372 | static void btmrvl_init_adapter(struct btmrvl_private *priv) | |
373 | { | |
0d367408 BZ |
374 | int buf_size; |
375 | ||
132ff4e5 BZ |
376 | skb_queue_head_init(&priv->adapter->tx_queue); |
377 | ||
378 | priv->adapter->ps_state = PS_AWAKE; | |
379 | ||
0d367408 BZ |
380 | buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN); |
381 | priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL); | |
382 | if (!priv->adapter->hw_regs_buf) { | |
383 | priv->adapter->hw_regs = NULL; | |
384 | BT_ERR("Unable to allocate buffer for hw_regs."); | |
385 | } else { | |
386 | priv->adapter->hw_regs = | |
387 | (u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf, | |
388 | BTSDIO_DMA_ALIGN); | |
389 | BT_DBG("hw_regs_buf=%p hw_regs=%p", | |
390 | priv->adapter->hw_regs_buf, priv->adapter->hw_regs); | |
391 | } | |
392 | ||
132ff4e5 | 393 | init_waitqueue_head(&priv->adapter->cmd_wait_q); |
396e04f4 | 394 | init_waitqueue_head(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
395 | } |
396 | ||
397 | static void btmrvl_free_adapter(struct btmrvl_private *priv) | |
398 | { | |
132ff4e5 BZ |
399 | skb_queue_purge(&priv->adapter->tx_queue); |
400 | ||
0d367408 | 401 | kfree(priv->adapter->hw_regs_buf); |
132ff4e5 BZ |
402 | kfree(priv->adapter); |
403 | ||
404 | priv->adapter = NULL; | |
132ff4e5 BZ |
405 | } |
406 | ||
7bd8f09f | 407 | static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
132ff4e5 | 408 | { |
7648d28f | 409 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 410 | |
618e8bc2 | 411 | BT_DBG("type=%d, len=%d", hci_skb_pkt_type(skb), skb->len); |
132ff4e5 | 412 | |
8cf60cf2 CRL |
413 | if (priv->adapter->is_suspending || priv->adapter->is_suspended) { |
414 | BT_ERR("%s: Device is suspending or suspended", __func__); | |
415 | return -EBUSY; | |
416 | } | |
417 | ||
618e8bc2 | 418 | switch (hci_skb_pkt_type(skb)) { |
132ff4e5 BZ |
419 | case HCI_COMMAND_PKT: |
420 | hdev->stat.cmd_tx++; | |
421 | break; | |
422 | ||
423 | case HCI_ACLDATA_PKT: | |
424 | hdev->stat.acl_tx++; | |
425 | break; | |
426 | ||
427 | case HCI_SCODATA_PKT: | |
428 | hdev->stat.sco_tx++; | |
429 | break; | |
430 | } | |
431 | ||
432 | skb_queue_tail(&priv->adapter->tx_queue, skb); | |
433 | ||
8cf60cf2 CRL |
434 | if (!priv->adapter->is_suspended) |
435 | wake_up_interruptible(&priv->main_thread.wait_q); | |
132ff4e5 | 436 | |
132ff4e5 BZ |
437 | return 0; |
438 | } | |
439 | ||
440 | static int btmrvl_flush(struct hci_dev *hdev) | |
441 | { | |
155961e8 | 442 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 443 | |
132ff4e5 BZ |
444 | skb_queue_purge(&priv->adapter->tx_queue); |
445 | ||
132ff4e5 BZ |
446 | return 0; |
447 | } | |
448 | ||
449 | static int btmrvl_close(struct hci_dev *hdev) | |
450 | { | |
155961e8 | 451 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 452 | |
132ff4e5 BZ |
453 | skb_queue_purge(&priv->adapter->tx_queue); |
454 | ||
132ff4e5 BZ |
455 | return 0; |
456 | } | |
457 | ||
458 | static int btmrvl_open(struct hci_dev *hdev) | |
459 | { | |
132ff4e5 BZ |
460 | return 0; |
461 | } | |
462 | ||
433a9389 | 463 | static int btmrvl_download_cal_data(struct btmrvl_private *priv, |
8a4934f1 | 464 | u8 *data, int len) |
2cc86890 | 465 | { |
8a4934f1 | 466 | int ret; |
2cc86890 AK |
467 | |
468 | data[0] = 0x00; | |
469 | data[1] = 0x00; | |
470 | data[2] = 0x00; | |
8a4934f1 | 471 | data[3] = len; |
2cc86890 AK |
472 | |
473 | print_hex_dump_bytes("Calibration data: ", | |
8a4934f1 | 474 | DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len); |
2cc86890 AK |
475 | |
476 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data, | |
8a4934f1 | 477 | BT_CAL_HDR_LEN + len); |
2cc86890 | 478 | if (ret) |
a9a4840d | 479 | BT_ERR("Failed to download calibration data"); |
2cc86890 AK |
480 | |
481 | return 0; | |
482 | } | |
483 | ||
025a60a7 | 484 | static int btmrvl_check_device_tree(struct btmrvl_private *priv) |
2cc86890 | 485 | { |
433a9389 | 486 | struct device_node *dt_node; |
bb7f4f0b | 487 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
8a4934f1 | 488 | u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE]; |
bb7f4f0b XH |
489 | int ret = 0; |
490 | u16 gpio, gap; | |
491 | ||
492 | if (card->plt_of_node) { | |
493 | dt_node = card->plt_of_node; | |
494 | ret = of_property_read_u16(dt_node, "marvell,wakeup-pin", | |
495 | &gpio); | |
496 | if (ret) | |
497 | gpio = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; | |
498 | ||
499 | ret = of_property_read_u16(dt_node, "marvell,wakeup-gap-ms", | |
500 | &gap); | |
501 | if (ret) | |
502 | gap = (u8)(priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2cc86890 | 503 | |
bb7f4f0b | 504 | priv->btmrvl_dev.gpio_gap = (gpio << 8) + gap; |
025a60a7 | 505 | |
bb7f4f0b | 506 | ret = of_property_read_u8_array(dt_node, "marvell,cal-data", |
098ea6bc AK |
507 | cal_data + BT_CAL_HDR_LEN, |
508 | BT_CAL_DATA_SIZE); | |
bb7f4f0b | 509 | if (ret) |
098ea6bc AK |
510 | return ret; |
511 | ||
512 | BT_DBG("Use cal data from device tree"); | |
513 | ret = btmrvl_download_cal_data(priv, cal_data, | |
514 | BT_CAL_DATA_SIZE); | |
bb7f4f0b | 515 | if (ret) |
098ea6bc | 516 | BT_ERR("Fail to download calibrate data"); |
2cc86890 AK |
517 | } |
518 | ||
bb7f4f0b | 519 | return ret; |
2cc86890 AK |
520 | } |
521 | ||
4b245722 AK |
522 | static int btmrvl_setup(struct hci_dev *hdev) |
523 | { | |
524 | struct btmrvl_private *priv = hci_get_drvdata(hdev); | |
9b89fdfe | 525 | int ret; |
4b245722 | 526 | |
9b89fdfe AK |
527 | ret = btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ); |
528 | if (ret) | |
529 | return ret; | |
4b245722 | 530 | |
d716892f | 531 | priv->btmrvl_dev.gpio_gap = 0xfffe; |
025a60a7 AK |
532 | |
533 | btmrvl_check_device_tree(priv); | |
2cc86890 | 534 | |
a715d11e AK |
535 | btmrvl_enable_sco_routing_to_host(priv); |
536 | ||
4df82b59 BZ |
537 | btmrvl_pscan_window_reporting(priv, 0x01); |
538 | ||
4b245722 AK |
539 | priv->btmrvl_dev.psmode = 1; |
540 | btmrvl_enable_ps(priv); | |
541 | ||
4b245722 AK |
542 | btmrvl_send_hscfg_cmd(priv); |
543 | ||
544 | return 0; | |
545 | } | |
546 | ||
27b869f5 AK |
547 | static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
548 | { | |
549 | struct sk_buff *skb; | |
550 | long ret; | |
551 | u8 buf[8]; | |
552 | ||
553 | buf[0] = MRVL_VENDOR_PKT; | |
554 | buf[1] = sizeof(bdaddr_t); | |
555 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
556 | ||
557 | skb = __hci_cmd_sync(hdev, BT_CMD_SET_BDADDR, sizeof(buf), buf, | |
558 | HCI_INIT_TIMEOUT); | |
559 | if (IS_ERR(skb)) { | |
560 | ret = PTR_ERR(skb); | |
561 | BT_ERR("%s: changing btmrvl device address failed (%ld)", | |
562 | hdev->name, ret); | |
563 | return ret; | |
564 | } | |
565 | kfree_skb(skb); | |
566 | ||
567 | return 0; | |
568 | } | |
569 | ||
4539ca67 | 570 | static bool btmrvl_wakeup(struct hci_dev *hdev) |
76d4c130 APS |
571 | { |
572 | struct btmrvl_private *priv = hci_get_drvdata(hdev); | |
573 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
574 | ||
4539ca67 | 575 | return device_may_wakeup(&card->func->dev); |
76d4c130 APS |
576 | } |
577 | ||
132ff4e5 BZ |
578 | /* |
579 | * This function handles the event generated by firmware, rx data | |
580 | * received from firmware, and tx data sent from kernel. | |
581 | */ | |
582 | static int btmrvl_service_main_thread(void *data) | |
583 | { | |
584 | struct btmrvl_thread *thread = data; | |
585 | struct btmrvl_private *priv = thread->priv; | |
586 | struct btmrvl_adapter *adapter = priv->adapter; | |
ac6424b9 | 587 | wait_queue_entry_t wait; |
132ff4e5 BZ |
588 | struct sk_buff *skb; |
589 | ulong flags; | |
590 | ||
132ff4e5 BZ |
591 | init_waitqueue_entry(&wait, current); |
592 | ||
132ff4e5 BZ |
593 | for (;;) { |
594 | add_wait_queue(&thread->wait_q, &wait); | |
595 | ||
596 | set_current_state(TASK_INTERRUPTIBLE); | |
7b4b8740 | 597 | if (kthread_should_stop() || priv->surprise_removed) { |
ea05fea9 DD |
598 | BT_DBG("main_thread: break from main thread"); |
599 | break; | |
600 | } | |
132ff4e5 BZ |
601 | |
602 | if (adapter->wakeup_tries || | |
4271e08d MH |
603 | ((!adapter->int_count) && |
604 | (!priv->btmrvl_dev.tx_dnld_rdy || | |
605 | skb_queue_empty(&adapter->tx_queue)))) { | |
132ff4e5 BZ |
606 | BT_DBG("main_thread is sleeping..."); |
607 | schedule(); | |
608 | } | |
609 | ||
610 | set_current_state(TASK_RUNNING); | |
611 | ||
612 | remove_wait_queue(&thread->wait_q, &wait); | |
613 | ||
614 | BT_DBG("main_thread woke up"); | |
615 | ||
7b4b8740 | 616 | if (kthread_should_stop() || priv->surprise_removed) { |
8b324fa6 AK |
617 | BT_DBG("main_thread: break from main thread"); |
618 | break; | |
619 | } | |
620 | ||
132ff4e5 BZ |
621 | spin_lock_irqsave(&priv->driver_lock, flags); |
622 | if (adapter->int_count) { | |
623 | adapter->int_count = 0; | |
d1d10d78 AK |
624 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
625 | priv->hw_process_int_status(priv); | |
4271e08d MH |
626 | } else if (adapter->ps_state == PS_SLEEP && |
627 | !skb_queue_empty(&adapter->tx_queue)) { | |
132ff4e5 BZ |
628 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
629 | adapter->wakeup_tries++; | |
630 | priv->hw_wakeup_firmware(priv); | |
631 | continue; | |
d1d10d78 AK |
632 | } else { |
633 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
132ff4e5 | 634 | } |
132ff4e5 BZ |
635 | |
636 | if (adapter->ps_state == PS_SLEEP) | |
637 | continue; | |
638 | ||
8cf60cf2 CRL |
639 | if (!priv->btmrvl_dev.tx_dnld_rdy || |
640 | priv->adapter->is_suspended) | |
132ff4e5 BZ |
641 | continue; |
642 | ||
643 | skb = skb_dequeue(&adapter->tx_queue); | |
644 | if (skb) { | |
645 | if (btmrvl_tx_pkt(priv, skb)) | |
646 | priv->btmrvl_dev.hcidev->stat.err_tx++; | |
647 | else | |
4271e08d | 648 | priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
132ff4e5 BZ |
649 | |
650 | kfree_skb(skb); | |
651 | } | |
652 | } | |
653 | ||
132ff4e5 BZ |
654 | return 0; |
655 | } | |
656 | ||
64061607 | 657 | int btmrvl_register_hdev(struct btmrvl_private *priv) |
132ff4e5 BZ |
658 | { |
659 | struct hci_dev *hdev = NULL; | |
70a7808b | 660 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; |
132ff4e5 BZ |
661 | int ret; |
662 | ||
132ff4e5 BZ |
663 | hdev = hci_alloc_dev(); |
664 | if (!hdev) { | |
665 | BT_ERR("Can not allocate HCI device"); | |
666 | goto err_hdev; | |
667 | } | |
668 | ||
132ff4e5 | 669 | priv->btmrvl_dev.hcidev = hdev; |
155961e8 | 670 | hci_set_drvdata(hdev, priv); |
132ff4e5 | 671 | |
e93ac9c0 MH |
672 | hdev->bus = HCI_SDIO; |
673 | hdev->open = btmrvl_open; | |
132ff4e5 BZ |
674 | hdev->close = btmrvl_close; |
675 | hdev->flush = btmrvl_flush; | |
e93ac9c0 | 676 | hdev->send = btmrvl_send_frame; |
4b245722 | 677 | hdev->setup = btmrvl_setup; |
27b869f5 | 678 | hdev->set_bdaddr = btmrvl_set_bdaddr; |
4539ca67 | 679 | hdev->wakeup = btmrvl_wakeup; |
70a7808b | 680 | SET_HCIDEV_DEV(hdev, &card->func->dev); |
64061607 | 681 | |
132ff4e5 BZ |
682 | ret = hci_register_dev(hdev); |
683 | if (ret < 0) { | |
684 | BT_ERR("Can not register HCI device"); | |
685 | goto err_hci_register_dev; | |
686 | } | |
687 | ||
fb784f05 BZ |
688 | #ifdef CONFIG_DEBUG_FS |
689 | btmrvl_debugfs_init(hdev); | |
690 | #endif | |
691 | ||
64061607 | 692 | return 0; |
132ff4e5 BZ |
693 | |
694 | err_hci_register_dev: | |
132ff4e5 BZ |
695 | hci_free_dev(hdev); |
696 | ||
697 | err_hdev: | |
64061607 BZ |
698 | /* Stop the thread servicing the interrupts */ |
699 | kthread_stop(priv->main_thread.task); | |
700 | ||
132ff4e5 | 701 | btmrvl_free_adapter(priv); |
64061607 BZ |
702 | kfree(priv); |
703 | ||
704 | return -ENOMEM; | |
705 | } | |
706 | EXPORT_SYMBOL_GPL(btmrvl_register_hdev); | |
707 | ||
708 | struct btmrvl_private *btmrvl_add_card(void *card) | |
709 | { | |
710 | struct btmrvl_private *priv; | |
711 | ||
712 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
713 | if (!priv) { | |
714 | BT_ERR("Can not allocate priv"); | |
715 | goto err_priv; | |
716 | } | |
717 | ||
718 | priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); | |
719 | if (!priv->adapter) { | |
720 | BT_ERR("Allocate buffer for btmrvl_adapter failed!"); | |
721 | goto err_adapter; | |
722 | } | |
723 | ||
724 | btmrvl_init_adapter(priv); | |
725 | ||
726 | BT_DBG("Starting kthread..."); | |
727 | priv->main_thread.priv = priv; | |
728 | spin_lock_init(&priv->driver_lock); | |
729 | ||
730 | init_waitqueue_head(&priv->main_thread.wait_q); | |
731 | priv->main_thread.task = kthread_run(btmrvl_service_main_thread, | |
732 | &priv->main_thread, "btmrvl_main_service"); | |
8500d791 AP |
733 | if (IS_ERR(priv->main_thread.task)) |
734 | goto err_thread; | |
64061607 BZ |
735 | |
736 | priv->btmrvl_dev.card = card; | |
737 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
738 | ||
739 | return priv; | |
132ff4e5 | 740 | |
8500d791 AP |
741 | err_thread: |
742 | btmrvl_free_adapter(priv); | |
743 | ||
132ff4e5 BZ |
744 | err_adapter: |
745 | kfree(priv); | |
746 | ||
747 | err_priv: | |
132ff4e5 BZ |
748 | return NULL; |
749 | } | |
750 | EXPORT_SYMBOL_GPL(btmrvl_add_card); | |
751 | ||
752 | int btmrvl_remove_card(struct btmrvl_private *priv) | |
753 | { | |
754 | struct hci_dev *hdev; | |
755 | ||
132ff4e5 BZ |
756 | hdev = priv->btmrvl_dev.hcidev; |
757 | ||
758 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
396e04f4 | 759 | wake_up_interruptible(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
760 | |
761 | kthread_stop(priv->main_thread.task); | |
762 | ||
fb784f05 BZ |
763 | #ifdef CONFIG_DEBUG_FS |
764 | btmrvl_debugfs_remove(hdev); | |
765 | #endif | |
766 | ||
132ff4e5 BZ |
767 | hci_unregister_dev(hdev); |
768 | ||
769 | hci_free_dev(hdev); | |
770 | ||
771 | priv->btmrvl_dev.hcidev = NULL; | |
772 | ||
773 | btmrvl_free_adapter(priv); | |
774 | ||
775 | kfree(priv); | |
776 | ||
132ff4e5 BZ |
777 | return 0; |
778 | } | |
779 | EXPORT_SYMBOL_GPL(btmrvl_remove_card); | |
780 | ||
781 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 782 | MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
132ff4e5 BZ |
783 | MODULE_VERSION(VERSION); |
784 | MODULE_LICENSE("GPL v2"); |