Commit | Line | Data |
---|---|---|
132ff4e5 BZ |
1 | /** |
2 | * Marvell Bluetooth driver | |
3 | * | |
4 | * Copyright (C) 2009, Marvell International Ltd. | |
5 | * | |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * | |
15 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
17 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
18 | * this warranty disclaimer. | |
19 | **/ | |
20 | ||
a59b968e | 21 | #include <linux/module.h> |
433a9389 | 22 | #include <linux/of.h> |
132ff4e5 BZ |
23 | #include <net/bluetooth/bluetooth.h> |
24 | #include <net/bluetooth/hci_core.h> | |
25 | ||
26 | #include "btmrvl_drv.h" | |
0d367408 | 27 | #include "btmrvl_sdio.h" |
132ff4e5 BZ |
28 | |
29 | #define VERSION "1.0" | |
30 | ||
31 | /* | |
32 | * This function is called by interface specific interrupt handler. | |
33 | * It updates Power Save & Host Sleep states, and wakes up the main | |
34 | * thread. | |
35 | */ | |
36 | void btmrvl_interrupt(struct btmrvl_private *priv) | |
37 | { | |
132ff4e5 BZ |
38 | priv->adapter->ps_state = PS_AWAKE; |
39 | ||
40 | priv->adapter->wakeup_tries = 0; | |
41 | ||
42 | priv->adapter->int_count++; | |
43 | ||
4c79e1dd | 44 | if (priv->adapter->hs_state == HS_ACTIVATED) { |
7365d475 | 45 | BT_DBG("BT: HS DEACTIVATED in ISR!"); |
4c79e1dd AK |
46 | priv->adapter->hs_state = HS_DEACTIVATED; |
47 | } | |
48 | ||
132ff4e5 | 49 | wake_up_interruptible(&priv->main_thread.wait_q); |
132ff4e5 BZ |
50 | } |
51 | EXPORT_SYMBOL_GPL(btmrvl_interrupt); | |
52 | ||
ea1e76a3 | 53 | bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb) |
132ff4e5 | 54 | { |
4271e08d | 55 | struct hci_event_hdr *hdr = (void *) skb->data; |
132ff4e5 | 56 | |
132ff4e5 | 57 | if (hdr->evt == HCI_EV_CMD_COMPLETE) { |
2c2453f3 | 58 | struct hci_ev_cmd_complete *ec; |
3e4543ab | 59 | u16 opcode; |
2c2453f3 | 60 | |
4271e08d | 61 | ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE); |
132ff4e5 | 62 | opcode = __le16_to_cpu(ec->opcode); |
ea1e76a3 | 63 | |
c037874c | 64 | if (priv->btmrvl_dev.sendcmdflag) { |
132ff4e5 BZ |
65 | priv->btmrvl_dev.sendcmdflag = false; |
66 | priv->adapter->cmd_complete = true; | |
67 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
ea1e76a3 | 68 | |
d986b4a6 AK |
69 | if (hci_opcode_ogf(opcode) == 0x3F) { |
70 | BT_DBG("vendor event skipped: opcode=%#4.4x", | |
71 | opcode); | |
72 | kfree_skb(skb); | |
73 | return false; | |
74 | } | |
ea1e76a3 | 75 | } |
132ff4e5 | 76 | } |
ea1e76a3 AE |
77 | |
78 | return true; | |
132ff4e5 BZ |
79 | } |
80 | EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt); | |
81 | ||
82 | int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb) | |
83 | { | |
84 | struct btmrvl_adapter *adapter = priv->adapter; | |
132ff4e5 | 85 | struct btmrvl_event *event; |
31f085fe | 86 | int ret = 0; |
132ff4e5 | 87 | |
132ff4e5 BZ |
88 | event = (struct btmrvl_event *) skb->data; |
89 | if (event->ec != 0xff) { | |
90 | BT_DBG("Not Marvell Event=%x", event->ec); | |
91 | ret = -EINVAL; | |
92 | goto exit; | |
93 | } | |
94 | ||
95 | switch (event->data[0]) { | |
3e4543ab | 96 | case BT_EVENT_AUTO_SLEEP_MODE: |
132ff4e5 BZ |
97 | if (!event->data[2]) { |
98 | if (event->data[1] == BT_PS_ENABLE) | |
99 | adapter->psmode = 1; | |
100 | else | |
101 | adapter->psmode = 0; | |
102 | BT_DBG("PS Mode:%s", | |
103 | (adapter->psmode) ? "Enable" : "Disable"); | |
104 | } else { | |
105 | BT_DBG("PS Mode command failed"); | |
106 | } | |
107 | break; | |
108 | ||
3e4543ab | 109 | case BT_EVENT_HOST_SLEEP_CONFIG: |
132ff4e5 BZ |
110 | if (!event->data[3]) |
111 | BT_DBG("gpio=%x, gap=%x", event->data[1], | |
4271e08d | 112 | event->data[2]); |
132ff4e5 BZ |
113 | else |
114 | BT_DBG("HSCFG command failed"); | |
115 | break; | |
116 | ||
3e4543ab | 117 | case BT_EVENT_HOST_SLEEP_ENABLE: |
132ff4e5 BZ |
118 | if (!event->data[1]) { |
119 | adapter->hs_state = HS_ACTIVATED; | |
120 | if (adapter->psmode) | |
121 | adapter->ps_state = PS_SLEEP; | |
396e04f4 | 122 | wake_up_interruptible(&adapter->event_hs_wait_q); |
132ff4e5 BZ |
123 | BT_DBG("HS ACTIVATED!"); |
124 | } else { | |
125 | BT_DBG("HS Enable failed"); | |
126 | } | |
127 | break; | |
128 | ||
3e4543ab | 129 | case BT_EVENT_MODULE_CFG_REQ: |
4271e08d MH |
130 | if (priv->btmrvl_dev.sendcmdflag && |
131 | event->data[1] == MODULE_BRINGUP_REQ) { | |
903c8437 BZ |
132 | BT_DBG("EVENT:%s", |
133 | ((event->data[2] == MODULE_BROUGHT_UP) || | |
134 | (event->data[2] == MODULE_ALREADY_UP)) ? | |
135 | "Bring-up succeed" : "Bring-up failed"); | |
f120c6b6 | 136 | |
8f1e1742 DV |
137 | if (event->length > 3 && event->data[3]) |
138 | priv->btmrvl_dev.dev_type = HCI_AMP; | |
f120c6b6 BZ |
139 | else |
140 | priv->btmrvl_dev.dev_type = HCI_BREDR; | |
141 | ||
142 | BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type); | |
4271e08d MH |
143 | } else if (priv->btmrvl_dev.sendcmdflag && |
144 | event->data[1] == MODULE_SHUTDOWN_REQ) { | |
132ff4e5 BZ |
145 | BT_DBG("EVENT:%s", (event->data[2]) ? |
146 | "Shutdown failed" : "Shutdown succeed"); | |
147 | } else { | |
148 | BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP"); | |
149 | ret = -EINVAL; | |
150 | } | |
151 | break; | |
152 | ||
153 | case BT_EVENT_POWER_STATE: | |
154 | if (event->data[1] == BT_PS_SLEEP) | |
155 | adapter->ps_state = PS_SLEEP; | |
156 | BT_DBG("EVENT:%s", | |
157 | (adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE"); | |
158 | break; | |
159 | ||
160 | default: | |
161 | BT_DBG("Unknown Event=%d", event->data[0]); | |
162 | ret = -EINVAL; | |
163 | break; | |
164 | } | |
165 | ||
166 | exit: | |
167 | if (!ret) | |
168 | kfree_skb(skb); | |
169 | ||
132ff4e5 BZ |
170 | return ret; |
171 | } | |
172 | EXPORT_SYMBOL_GPL(btmrvl_process_event); | |
173 | ||
3e4543ab | 174 | static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode, |
c037874c | 175 | const void *param, u8 len) |
132ff4e5 | 176 | { |
4271e08d | 177 | struct sk_buff *skb; |
7d5b400c | 178 | struct hci_command_hdr *hdr; |
132ff4e5 | 179 | |
7d5b400c | 180 | skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC); |
132ff4e5 BZ |
181 | if (skb == NULL) { |
182 | BT_ERR("No free skb"); | |
9374253f | 183 | return -ENOMEM; |
132ff4e5 BZ |
184 | } |
185 | ||
7d5b400c | 186 | hdr = (struct hci_command_hdr *)skb_put(skb, HCI_COMMAND_HDR_SIZE); |
3e4543ab | 187 | hdr->opcode = cpu_to_le16(opcode); |
7d5b400c | 188 | hdr->plen = len; |
c037874c AK |
189 | |
190 | if (len) | |
7d5b400c | 191 | memcpy(skb_put(skb, len), param, len); |
132ff4e5 BZ |
192 | |
193 | bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT; | |
194 | ||
132ff4e5 BZ |
195 | skb_queue_head(&priv->adapter->tx_queue, skb); |
196 | ||
197 | priv->btmrvl_dev.sendcmdflag = true; | |
198 | ||
199 | priv->adapter->cmd_complete = false; | |
200 | ||
132ff4e5 BZ |
201 | wake_up_interruptible(&priv->main_thread.wait_q); |
202 | ||
4271e08d MH |
203 | if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
204 | priv->adapter->cmd_complete, | |
c037874c AK |
205 | msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) |
206 | return -ETIMEDOUT; | |
207 | ||
208 | return 0; | |
209 | } | |
132ff4e5 | 210 | |
7125df53 | 211 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd) |
c037874c AK |
212 | { |
213 | int ret; | |
214 | ||
215 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1); | |
216 | if (ret) | |
7365d475 | 217 | BT_ERR("module_cfg_cmd(%x) failed", subcmd); |
132ff4e5 | 218 | |
132ff4e5 BZ |
219 | return ret; |
220 | } | |
221 | EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd); | |
222 | ||
4df82b59 BZ |
223 | int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd) |
224 | { | |
225 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
226 | int ret; | |
227 | ||
228 | if (!card->support_pscan_win_report) | |
229 | return 0; | |
230 | ||
231 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE, | |
232 | &subcmd, 1); | |
233 | if (ret) | |
234 | BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret); | |
235 | ||
236 | return ret; | |
237 | } | |
238 | EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting); | |
239 | ||
2a8ff611 AK |
240 | int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv) |
241 | { | |
c037874c AK |
242 | int ret; |
243 | u8 param[2]; | |
2a8ff611 | 244 | |
c037874c AK |
245 | param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; |
246 | param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2a8ff611 | 247 | |
c037874c AK |
248 | BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x", |
249 | param[0], param[1]); | |
2a8ff611 | 250 | |
c037874c AK |
251 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2); |
252 | if (ret) | |
7365d475 | 253 | BT_ERR("HSCFG command failed"); |
2a8ff611 | 254 | |
c037874c | 255 | return ret; |
2a8ff611 AK |
256 | } |
257 | EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd); | |
258 | ||
32fd6398 AK |
259 | int btmrvl_enable_ps(struct btmrvl_private *priv) |
260 | { | |
c037874c AK |
261 | int ret; |
262 | u8 param; | |
32fd6398 AK |
263 | |
264 | if (priv->btmrvl_dev.psmode) | |
c037874c | 265 | param = BT_PS_ENABLE; |
32fd6398 | 266 | else |
c037874c | 267 | param = BT_PS_DISABLE; |
32fd6398 | 268 | |
c037874c AK |
269 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, ¶m, 1); |
270 | if (ret) | |
7365d475 | 271 | BT_ERR("PSMODE command failed"); |
32fd6398 AK |
272 | |
273 | return 0; | |
274 | } | |
275 | EXPORT_SYMBOL_GPL(btmrvl_enable_ps); | |
276 | ||
ba54a16f | 277 | int btmrvl_enable_hs(struct btmrvl_private *priv) |
132ff4e5 | 278 | { |
396e04f4 | 279 | struct btmrvl_adapter *adapter = priv->adapter; |
c037874c | 280 | int ret; |
132ff4e5 | 281 | |
c037874c | 282 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0); |
396e04f4 | 283 | if (ret) { |
7365d475 | 284 | BT_ERR("Host sleep enable command failed"); |
396e04f4 CRL |
285 | return ret; |
286 | } | |
287 | ||
288 | ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q, | |
289 | adapter->hs_state, | |
290 | msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED)); | |
291 | if (ret < 0) { | |
292 | BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d", | |
293 | ret, adapter->hs_state, adapter->ps_state, | |
294 | adapter->wakeup_tries); | |
295 | } else if (!ret) { | |
296 | BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state, | |
297 | adapter->ps_state, adapter->wakeup_tries); | |
298 | ret = -ETIMEDOUT; | |
299 | } else { | |
300 | BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state, | |
301 | adapter->ps_state, adapter->wakeup_tries); | |
302 | ret = 0; | |
303 | } | |
132ff4e5 | 304 | |
132ff4e5 BZ |
305 | return ret; |
306 | } | |
ba54a16f | 307 | EXPORT_SYMBOL_GPL(btmrvl_enable_hs); |
132ff4e5 BZ |
308 | |
309 | int btmrvl_prepare_command(struct btmrvl_private *priv) | |
310 | { | |
9374253f | 311 | int ret = 0; |
132ff4e5 BZ |
312 | |
313 | if (priv->btmrvl_dev.hscfgcmd) { | |
314 | priv->btmrvl_dev.hscfgcmd = 0; | |
2a8ff611 | 315 | btmrvl_send_hscfg_cmd(priv); |
132ff4e5 BZ |
316 | } |
317 | ||
318 | if (priv->btmrvl_dev.pscmd) { | |
319 | priv->btmrvl_dev.pscmd = 0; | |
32fd6398 | 320 | btmrvl_enable_ps(priv); |
132ff4e5 BZ |
321 | } |
322 | ||
323 | if (priv->btmrvl_dev.hscmd) { | |
324 | priv->btmrvl_dev.hscmd = 0; | |
325 | ||
326 | if (priv->btmrvl_dev.hsmode) { | |
327 | ret = btmrvl_enable_hs(priv); | |
328 | } else { | |
329 | ret = priv->hw_wakeup_firmware(priv); | |
330 | priv->adapter->hs_state = HS_DEACTIVATED; | |
7365d475 | 331 | BT_DBG("BT: HS DEACTIVATED due to host activity!"); |
132ff4e5 BZ |
332 | } |
333 | } | |
334 | ||
132ff4e5 BZ |
335 | return ret; |
336 | } | |
337 | ||
338 | static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) | |
339 | { | |
9374253f | 340 | int ret = 0; |
132ff4e5 | 341 | |
9374253f | 342 | if (!skb || !skb->data) |
132ff4e5 | 343 | return -EINVAL; |
132ff4e5 BZ |
344 | |
345 | if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { | |
346 | BT_ERR("Tx Error: Bad skb length %d : %d", | |
4271e08d | 347 | skb->len, BTM_UPLD_SIZE); |
132ff4e5 BZ |
348 | return -EINVAL; |
349 | } | |
350 | ||
351 | if (skb_headroom(skb) < BTM_HEADER_LEN) { | |
352 | struct sk_buff *tmp = skb; | |
353 | ||
354 | skb = skb_realloc_headroom(skb, BTM_HEADER_LEN); | |
355 | if (!skb) { | |
356 | BT_ERR("Tx Error: realloc_headroom failed %d", | |
357 | BTM_HEADER_LEN); | |
358 | skb = tmp; | |
132ff4e5 BZ |
359 | return -EINVAL; |
360 | } | |
361 | ||
362 | kfree_skb(tmp); | |
363 | } | |
364 | ||
365 | skb_push(skb, BTM_HEADER_LEN); | |
366 | ||
367 | /* header type: byte[3] | |
368 | * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor | |
369 | * header length: byte[2][1][0] | |
370 | */ | |
371 | ||
372 | skb->data[0] = (skb->len & 0x0000ff); | |
373 | skb->data[1] = (skb->len & 0x00ff00) >> 8; | |
374 | skb->data[2] = (skb->len & 0xff0000) >> 16; | |
375 | skb->data[3] = bt_cb(skb)->pkt_type; | |
376 | ||
377 | if (priv->hw_host_to_card) | |
378 | ret = priv->hw_host_to_card(priv, skb->data, skb->len); | |
379 | ||
132ff4e5 BZ |
380 | return ret; |
381 | } | |
382 | ||
383 | static void btmrvl_init_adapter(struct btmrvl_private *priv) | |
384 | { | |
0d367408 BZ |
385 | int buf_size; |
386 | ||
132ff4e5 BZ |
387 | skb_queue_head_init(&priv->adapter->tx_queue); |
388 | ||
389 | priv->adapter->ps_state = PS_AWAKE; | |
390 | ||
0d367408 BZ |
391 | buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN); |
392 | priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL); | |
393 | if (!priv->adapter->hw_regs_buf) { | |
394 | priv->adapter->hw_regs = NULL; | |
395 | BT_ERR("Unable to allocate buffer for hw_regs."); | |
396 | } else { | |
397 | priv->adapter->hw_regs = | |
398 | (u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf, | |
399 | BTSDIO_DMA_ALIGN); | |
400 | BT_DBG("hw_regs_buf=%p hw_regs=%p", | |
401 | priv->adapter->hw_regs_buf, priv->adapter->hw_regs); | |
402 | } | |
403 | ||
132ff4e5 | 404 | init_waitqueue_head(&priv->adapter->cmd_wait_q); |
396e04f4 | 405 | init_waitqueue_head(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
406 | } |
407 | ||
408 | static void btmrvl_free_adapter(struct btmrvl_private *priv) | |
409 | { | |
132ff4e5 BZ |
410 | skb_queue_purge(&priv->adapter->tx_queue); |
411 | ||
0d367408 | 412 | kfree(priv->adapter->hw_regs_buf); |
132ff4e5 BZ |
413 | kfree(priv->adapter); |
414 | ||
415 | priv->adapter = NULL; | |
132ff4e5 BZ |
416 | } |
417 | ||
7bd8f09f | 418 | static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
132ff4e5 | 419 | { |
7648d28f | 420 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 421 | |
9374253f | 422 | BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len); |
132ff4e5 | 423 | |
132ff4e5 BZ |
424 | if (!test_bit(HCI_RUNNING, &hdev->flags)) { |
425 | BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags); | |
426 | print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET, | |
4271e08d | 427 | skb->data, skb->len); |
132ff4e5 BZ |
428 | return -EBUSY; |
429 | } | |
430 | ||
431 | switch (bt_cb(skb)->pkt_type) { | |
432 | case HCI_COMMAND_PKT: | |
433 | hdev->stat.cmd_tx++; | |
434 | break; | |
435 | ||
436 | case HCI_ACLDATA_PKT: | |
437 | hdev->stat.acl_tx++; | |
438 | break; | |
439 | ||
440 | case HCI_SCODATA_PKT: | |
441 | hdev->stat.sco_tx++; | |
442 | break; | |
443 | } | |
444 | ||
445 | skb_queue_tail(&priv->adapter->tx_queue, skb); | |
446 | ||
447 | wake_up_interruptible(&priv->main_thread.wait_q); | |
448 | ||
132ff4e5 BZ |
449 | return 0; |
450 | } | |
451 | ||
452 | static int btmrvl_flush(struct hci_dev *hdev) | |
453 | { | |
155961e8 | 454 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 455 | |
132ff4e5 BZ |
456 | skb_queue_purge(&priv->adapter->tx_queue); |
457 | ||
132ff4e5 BZ |
458 | return 0; |
459 | } | |
460 | ||
461 | static int btmrvl_close(struct hci_dev *hdev) | |
462 | { | |
155961e8 | 463 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 464 | |
9374253f | 465 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
132ff4e5 | 466 | return 0; |
132ff4e5 BZ |
467 | |
468 | skb_queue_purge(&priv->adapter->tx_queue); | |
469 | ||
132ff4e5 BZ |
470 | return 0; |
471 | } | |
472 | ||
473 | static int btmrvl_open(struct hci_dev *hdev) | |
474 | { | |
132ff4e5 BZ |
475 | set_bit(HCI_RUNNING, &hdev->flags); |
476 | ||
132ff4e5 BZ |
477 | return 0; |
478 | } | |
479 | ||
433a9389 | 480 | static int btmrvl_download_cal_data(struct btmrvl_private *priv, |
8a4934f1 | 481 | u8 *data, int len) |
2cc86890 | 482 | { |
8a4934f1 | 483 | int ret; |
2cc86890 AK |
484 | |
485 | data[0] = 0x00; | |
486 | data[1] = 0x00; | |
487 | data[2] = 0x00; | |
8a4934f1 | 488 | data[3] = len; |
2cc86890 AK |
489 | |
490 | print_hex_dump_bytes("Calibration data: ", | |
8a4934f1 | 491 | DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len); |
2cc86890 AK |
492 | |
493 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data, | |
8a4934f1 | 494 | BT_CAL_HDR_LEN + len); |
2cc86890 | 495 | if (ret) |
7365d475 | 496 | BT_ERR("Failed to download caibration data"); |
2cc86890 AK |
497 | |
498 | return 0; | |
499 | } | |
500 | ||
025a60a7 | 501 | static int btmrvl_check_device_tree(struct btmrvl_private *priv) |
2cc86890 | 502 | { |
433a9389 | 503 | struct device_node *dt_node; |
8a4934f1 | 504 | u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE]; |
2cc86890 | 505 | int ret; |
025a60a7 | 506 | u32 val; |
2cc86890 | 507 | |
098ea6bc | 508 | for_each_compatible_node(dt_node, NULL, "btmrvl,cfgdata") { |
025a60a7 AK |
509 | ret = of_property_read_u32(dt_node, "btmrvl,gpio-gap", &val); |
510 | if (!ret) | |
511 | priv->btmrvl_dev.gpio_gap = val; | |
512 | ||
098ea6bc AK |
513 | ret = of_property_read_u8_array(dt_node, "btmrvl,cal-data", |
514 | cal_data + BT_CAL_HDR_LEN, | |
515 | BT_CAL_DATA_SIZE); | |
516 | if (ret) | |
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); | |
522 | if (ret) { | |
523 | BT_ERR("Fail to download calibrate data"); | |
524 | return ret; | |
525 | } | |
2cc86890 AK |
526 | } |
527 | ||
528 | return 0; | |
529 | } | |
530 | ||
4b245722 AK |
531 | static int btmrvl_setup(struct hci_dev *hdev) |
532 | { | |
533 | struct btmrvl_private *priv = hci_get_drvdata(hdev); | |
534 | ||
535 | btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ); | |
536 | ||
025a60a7 AK |
537 | priv->btmrvl_dev.gpio_gap = 0xffff; |
538 | ||
539 | btmrvl_check_device_tree(priv); | |
2cc86890 | 540 | |
4df82b59 BZ |
541 | btmrvl_pscan_window_reporting(priv, 0x01); |
542 | ||
4b245722 AK |
543 | priv->btmrvl_dev.psmode = 1; |
544 | btmrvl_enable_ps(priv); | |
545 | ||
4b245722 AK |
546 | btmrvl_send_hscfg_cmd(priv); |
547 | ||
548 | return 0; | |
549 | } | |
550 | ||
27b869f5 AK |
551 | static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
552 | { | |
553 | struct sk_buff *skb; | |
554 | long ret; | |
555 | u8 buf[8]; | |
556 | ||
557 | buf[0] = MRVL_VENDOR_PKT; | |
558 | buf[1] = sizeof(bdaddr_t); | |
559 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
560 | ||
561 | skb = __hci_cmd_sync(hdev, BT_CMD_SET_BDADDR, sizeof(buf), buf, | |
562 | HCI_INIT_TIMEOUT); | |
563 | if (IS_ERR(skb)) { | |
564 | ret = PTR_ERR(skb); | |
565 | BT_ERR("%s: changing btmrvl device address failed (%ld)", | |
566 | hdev->name, ret); | |
567 | return ret; | |
568 | } | |
569 | kfree_skb(skb); | |
570 | ||
571 | return 0; | |
572 | } | |
573 | ||
132ff4e5 BZ |
574 | /* |
575 | * This function handles the event generated by firmware, rx data | |
576 | * received from firmware, and tx data sent from kernel. | |
577 | */ | |
578 | static int btmrvl_service_main_thread(void *data) | |
579 | { | |
580 | struct btmrvl_thread *thread = data; | |
581 | struct btmrvl_private *priv = thread->priv; | |
582 | struct btmrvl_adapter *adapter = priv->adapter; | |
583 | wait_queue_t wait; | |
584 | struct sk_buff *skb; | |
585 | ulong flags; | |
586 | ||
132ff4e5 BZ |
587 | init_waitqueue_entry(&wait, current); |
588 | ||
132ff4e5 BZ |
589 | for (;;) { |
590 | add_wait_queue(&thread->wait_q, &wait); | |
591 | ||
592 | set_current_state(TASK_INTERRUPTIBLE); | |
ea05fea9 DD |
593 | if (kthread_should_stop()) { |
594 | BT_DBG("main_thread: break from main thread"); | |
595 | break; | |
596 | } | |
132ff4e5 BZ |
597 | |
598 | if (adapter->wakeup_tries || | |
4271e08d MH |
599 | ((!adapter->int_count) && |
600 | (!priv->btmrvl_dev.tx_dnld_rdy || | |
601 | skb_queue_empty(&adapter->tx_queue)))) { | |
132ff4e5 BZ |
602 | BT_DBG("main_thread is sleeping..."); |
603 | schedule(); | |
604 | } | |
605 | ||
606 | set_current_state(TASK_RUNNING); | |
607 | ||
608 | remove_wait_queue(&thread->wait_q, &wait); | |
609 | ||
610 | BT_DBG("main_thread woke up"); | |
611 | ||
132ff4e5 BZ |
612 | spin_lock_irqsave(&priv->driver_lock, flags); |
613 | if (adapter->int_count) { | |
614 | adapter->int_count = 0; | |
d1d10d78 AK |
615 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
616 | priv->hw_process_int_status(priv); | |
4271e08d MH |
617 | } else if (adapter->ps_state == PS_SLEEP && |
618 | !skb_queue_empty(&adapter->tx_queue)) { | |
132ff4e5 BZ |
619 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
620 | adapter->wakeup_tries++; | |
621 | priv->hw_wakeup_firmware(priv); | |
622 | continue; | |
d1d10d78 AK |
623 | } else { |
624 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
132ff4e5 | 625 | } |
132ff4e5 BZ |
626 | |
627 | if (adapter->ps_state == PS_SLEEP) | |
628 | continue; | |
629 | ||
630 | if (!priv->btmrvl_dev.tx_dnld_rdy) | |
631 | continue; | |
632 | ||
633 | skb = skb_dequeue(&adapter->tx_queue); | |
634 | if (skb) { | |
635 | if (btmrvl_tx_pkt(priv, skb)) | |
636 | priv->btmrvl_dev.hcidev->stat.err_tx++; | |
637 | else | |
4271e08d | 638 | priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
132ff4e5 BZ |
639 | |
640 | kfree_skb(skb); | |
641 | } | |
642 | } | |
643 | ||
132ff4e5 BZ |
644 | return 0; |
645 | } | |
646 | ||
64061607 | 647 | int btmrvl_register_hdev(struct btmrvl_private *priv) |
132ff4e5 BZ |
648 | { |
649 | struct hci_dev *hdev = NULL; | |
132ff4e5 BZ |
650 | int ret; |
651 | ||
132ff4e5 BZ |
652 | hdev = hci_alloc_dev(); |
653 | if (!hdev) { | |
654 | BT_ERR("Can not allocate HCI device"); | |
655 | goto err_hdev; | |
656 | } | |
657 | ||
132ff4e5 | 658 | priv->btmrvl_dev.hcidev = hdev; |
155961e8 | 659 | hci_set_drvdata(hdev, priv); |
132ff4e5 | 660 | |
e93ac9c0 MH |
661 | hdev->bus = HCI_SDIO; |
662 | hdev->open = btmrvl_open; | |
132ff4e5 BZ |
663 | hdev->close = btmrvl_close; |
664 | hdev->flush = btmrvl_flush; | |
e93ac9c0 | 665 | hdev->send = btmrvl_send_frame; |
4b245722 | 666 | hdev->setup = btmrvl_setup; |
27b869f5 | 667 | hdev->set_bdaddr = btmrvl_set_bdaddr; |
64061607 | 668 | |
f120c6b6 BZ |
669 | hdev->dev_type = priv->btmrvl_dev.dev_type; |
670 | ||
132ff4e5 BZ |
671 | ret = hci_register_dev(hdev); |
672 | if (ret < 0) { | |
673 | BT_ERR("Can not register HCI device"); | |
674 | goto err_hci_register_dev; | |
675 | } | |
676 | ||
fb784f05 BZ |
677 | #ifdef CONFIG_DEBUG_FS |
678 | btmrvl_debugfs_init(hdev); | |
679 | #endif | |
680 | ||
64061607 | 681 | return 0; |
132ff4e5 BZ |
682 | |
683 | err_hci_register_dev: | |
132ff4e5 BZ |
684 | hci_free_dev(hdev); |
685 | ||
686 | err_hdev: | |
64061607 BZ |
687 | /* Stop the thread servicing the interrupts */ |
688 | kthread_stop(priv->main_thread.task); | |
689 | ||
132ff4e5 | 690 | btmrvl_free_adapter(priv); |
64061607 BZ |
691 | kfree(priv); |
692 | ||
693 | return -ENOMEM; | |
694 | } | |
695 | EXPORT_SYMBOL_GPL(btmrvl_register_hdev); | |
696 | ||
697 | struct btmrvl_private *btmrvl_add_card(void *card) | |
698 | { | |
699 | struct btmrvl_private *priv; | |
700 | ||
701 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
702 | if (!priv) { | |
703 | BT_ERR("Can not allocate priv"); | |
704 | goto err_priv; | |
705 | } | |
706 | ||
707 | priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); | |
708 | if (!priv->adapter) { | |
709 | BT_ERR("Allocate buffer for btmrvl_adapter failed!"); | |
710 | goto err_adapter; | |
711 | } | |
712 | ||
713 | btmrvl_init_adapter(priv); | |
714 | ||
715 | BT_DBG("Starting kthread..."); | |
716 | priv->main_thread.priv = priv; | |
717 | spin_lock_init(&priv->driver_lock); | |
718 | ||
719 | init_waitqueue_head(&priv->main_thread.wait_q); | |
720 | priv->main_thread.task = kthread_run(btmrvl_service_main_thread, | |
721 | &priv->main_thread, "btmrvl_main_service"); | |
8500d791 AP |
722 | if (IS_ERR(priv->main_thread.task)) |
723 | goto err_thread; | |
64061607 BZ |
724 | |
725 | priv->btmrvl_dev.card = card; | |
726 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
727 | ||
728 | return priv; | |
132ff4e5 | 729 | |
8500d791 AP |
730 | err_thread: |
731 | btmrvl_free_adapter(priv); | |
732 | ||
132ff4e5 BZ |
733 | err_adapter: |
734 | kfree(priv); | |
735 | ||
736 | err_priv: | |
132ff4e5 BZ |
737 | return NULL; |
738 | } | |
739 | EXPORT_SYMBOL_GPL(btmrvl_add_card); | |
740 | ||
741 | int btmrvl_remove_card(struct btmrvl_private *priv) | |
742 | { | |
743 | struct hci_dev *hdev; | |
744 | ||
132ff4e5 BZ |
745 | hdev = priv->btmrvl_dev.hcidev; |
746 | ||
747 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
396e04f4 | 748 | wake_up_interruptible(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
749 | |
750 | kthread_stop(priv->main_thread.task); | |
751 | ||
fb784f05 BZ |
752 | #ifdef CONFIG_DEBUG_FS |
753 | btmrvl_debugfs_remove(hdev); | |
754 | #endif | |
755 | ||
132ff4e5 BZ |
756 | hci_unregister_dev(hdev); |
757 | ||
758 | hci_free_dev(hdev); | |
759 | ||
760 | priv->btmrvl_dev.hcidev = NULL; | |
761 | ||
762 | btmrvl_free_adapter(priv); | |
763 | ||
764 | kfree(priv); | |
765 | ||
132ff4e5 BZ |
766 | return 0; |
767 | } | |
768 | EXPORT_SYMBOL_GPL(btmrvl_remove_card); | |
769 | ||
770 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 771 | MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
132ff4e5 BZ |
772 | MODULE_VERSION(VERSION); |
773 | MODULE_LICENSE("GPL v2"); |