]>
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> | |
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 BZ |
140 | else |
141 | priv->btmrvl_dev.dev_type = HCI_BREDR; | |
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 | |
7d5b400c | 181 | skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC); |
132ff4e5 BZ |
182 | if (skb == NULL) { |
183 | BT_ERR("No free skb"); | |
9374253f | 184 | return -ENOMEM; |
132ff4e5 BZ |
185 | } |
186 | ||
7d5b400c | 187 | hdr = (struct hci_command_hdr *)skb_put(skb, HCI_COMMAND_HDR_SIZE); |
3e4543ab | 188 | hdr->opcode = cpu_to_le16(opcode); |
7d5b400c | 189 | hdr->plen = len; |
c037874c AK |
190 | |
191 | if (len) | |
7d5b400c | 192 | memcpy(skb_put(skb, len), param, len); |
132ff4e5 BZ |
193 | |
194 | bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT; | |
195 | ||
132ff4e5 BZ |
196 | skb_queue_head(&priv->adapter->tx_queue, skb); |
197 | ||
198 | priv->btmrvl_dev.sendcmdflag = true; | |
199 | ||
200 | priv->adapter->cmd_complete = false; | |
201 | ||
132ff4e5 BZ |
202 | wake_up_interruptible(&priv->main_thread.wait_q); |
203 | ||
4271e08d MH |
204 | if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
205 | priv->adapter->cmd_complete, | |
c037874c AK |
206 | msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) |
207 | return -ETIMEDOUT; | |
208 | ||
209 | return 0; | |
210 | } | |
132ff4e5 | 211 | |
7125df53 | 212 | int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd) |
c037874c AK |
213 | { |
214 | int ret; | |
215 | ||
216 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1); | |
217 | if (ret) | |
7365d475 | 218 | BT_ERR("module_cfg_cmd(%x) failed", subcmd); |
132ff4e5 | 219 | |
132ff4e5 BZ |
220 | return ret; |
221 | } | |
222 | EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd); | |
223 | ||
4df82b59 BZ |
224 | int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd) |
225 | { | |
226 | struct btmrvl_sdio_card *card = priv->btmrvl_dev.card; | |
227 | int ret; | |
228 | ||
229 | if (!card->support_pscan_win_report) | |
230 | return 0; | |
231 | ||
232 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE, | |
233 | &subcmd, 1); | |
234 | if (ret) | |
235 | BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret); | |
236 | ||
237 | return ret; | |
238 | } | |
239 | EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting); | |
240 | ||
2a8ff611 AK |
241 | int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv) |
242 | { | |
c037874c AK |
243 | int ret; |
244 | u8 param[2]; | |
2a8ff611 | 245 | |
c037874c AK |
246 | param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; |
247 | param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff); | |
2a8ff611 | 248 | |
c037874c AK |
249 | BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x", |
250 | param[0], param[1]); | |
2a8ff611 | 251 | |
c037874c AK |
252 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2); |
253 | if (ret) | |
7365d475 | 254 | BT_ERR("HSCFG command failed"); |
2a8ff611 | 255 | |
c037874c | 256 | return ret; |
2a8ff611 AK |
257 | } |
258 | EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd); | |
259 | ||
32fd6398 AK |
260 | int btmrvl_enable_ps(struct btmrvl_private *priv) |
261 | { | |
c037874c AK |
262 | int ret; |
263 | u8 param; | |
32fd6398 AK |
264 | |
265 | if (priv->btmrvl_dev.psmode) | |
c037874c | 266 | param = BT_PS_ENABLE; |
32fd6398 | 267 | else |
c037874c | 268 | param = BT_PS_DISABLE; |
32fd6398 | 269 | |
c037874c AK |
270 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, ¶m, 1); |
271 | if (ret) | |
7365d475 | 272 | BT_ERR("PSMODE command failed"); |
32fd6398 AK |
273 | |
274 | return 0; | |
275 | } | |
276 | EXPORT_SYMBOL_GPL(btmrvl_enable_ps); | |
277 | ||
ba54a16f | 278 | int btmrvl_enable_hs(struct btmrvl_private *priv) |
132ff4e5 | 279 | { |
396e04f4 | 280 | struct btmrvl_adapter *adapter = priv->adapter; |
c037874c | 281 | int ret; |
132ff4e5 | 282 | |
c037874c | 283 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0); |
396e04f4 | 284 | if (ret) { |
7365d475 | 285 | BT_ERR("Host sleep enable command failed"); |
396e04f4 CRL |
286 | return ret; |
287 | } | |
288 | ||
289 | ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q, | |
290 | adapter->hs_state, | |
291 | msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED)); | |
292 | if (ret < 0) { | |
293 | BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d", | |
294 | ret, adapter->hs_state, adapter->ps_state, | |
295 | adapter->wakeup_tries); | |
296 | } else if (!ret) { | |
297 | BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state, | |
298 | adapter->ps_state, adapter->wakeup_tries); | |
299 | ret = -ETIMEDOUT; | |
300 | } else { | |
301 | BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state, | |
302 | adapter->ps_state, adapter->wakeup_tries); | |
303 | ret = 0; | |
304 | } | |
132ff4e5 | 305 | |
132ff4e5 BZ |
306 | return ret; |
307 | } | |
ba54a16f | 308 | EXPORT_SYMBOL_GPL(btmrvl_enable_hs); |
132ff4e5 BZ |
309 | |
310 | int btmrvl_prepare_command(struct btmrvl_private *priv) | |
311 | { | |
9374253f | 312 | int ret = 0; |
132ff4e5 BZ |
313 | |
314 | if (priv->btmrvl_dev.hscfgcmd) { | |
315 | priv->btmrvl_dev.hscfgcmd = 0; | |
2a8ff611 | 316 | btmrvl_send_hscfg_cmd(priv); |
132ff4e5 BZ |
317 | } |
318 | ||
319 | if (priv->btmrvl_dev.pscmd) { | |
320 | priv->btmrvl_dev.pscmd = 0; | |
32fd6398 | 321 | btmrvl_enable_ps(priv); |
132ff4e5 BZ |
322 | } |
323 | ||
324 | if (priv->btmrvl_dev.hscmd) { | |
325 | priv->btmrvl_dev.hscmd = 0; | |
326 | ||
327 | if (priv->btmrvl_dev.hsmode) { | |
328 | ret = btmrvl_enable_hs(priv); | |
329 | } else { | |
330 | ret = priv->hw_wakeup_firmware(priv); | |
331 | priv->adapter->hs_state = HS_DEACTIVATED; | |
7365d475 | 332 | BT_DBG("BT: HS DEACTIVATED due to host activity!"); |
132ff4e5 BZ |
333 | } |
334 | } | |
335 | ||
132ff4e5 BZ |
336 | return ret; |
337 | } | |
338 | ||
dc759613 XH |
339 | void btmrvl_firmware_dump(struct btmrvl_private *priv) |
340 | { | |
341 | if (priv->firmware_dump) | |
342 | priv->firmware_dump(priv); | |
343 | } | |
344 | ||
132ff4e5 BZ |
345 | static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) |
346 | { | |
9374253f | 347 | int ret = 0; |
132ff4e5 | 348 | |
9374253f | 349 | if (!skb || !skb->data) |
132ff4e5 | 350 | return -EINVAL; |
132ff4e5 BZ |
351 | |
352 | if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { | |
353 | BT_ERR("Tx Error: Bad skb length %d : %d", | |
4271e08d | 354 | skb->len, BTM_UPLD_SIZE); |
132ff4e5 BZ |
355 | return -EINVAL; |
356 | } | |
357 | ||
358 | if (skb_headroom(skb) < BTM_HEADER_LEN) { | |
359 | struct sk_buff *tmp = skb; | |
360 | ||
361 | skb = skb_realloc_headroom(skb, BTM_HEADER_LEN); | |
362 | if (!skb) { | |
363 | BT_ERR("Tx Error: realloc_headroom failed %d", | |
364 | BTM_HEADER_LEN); | |
365 | skb = tmp; | |
132ff4e5 BZ |
366 | return -EINVAL; |
367 | } | |
368 | ||
369 | kfree_skb(tmp); | |
370 | } | |
371 | ||
372 | skb_push(skb, BTM_HEADER_LEN); | |
373 | ||
374 | /* header type: byte[3] | |
375 | * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor | |
376 | * header length: byte[2][1][0] | |
377 | */ | |
378 | ||
379 | skb->data[0] = (skb->len & 0x0000ff); | |
380 | skb->data[1] = (skb->len & 0x00ff00) >> 8; | |
381 | skb->data[2] = (skb->len & 0xff0000) >> 16; | |
382 | skb->data[3] = bt_cb(skb)->pkt_type; | |
383 | ||
384 | if (priv->hw_host_to_card) | |
385 | ret = priv->hw_host_to_card(priv, skb->data, skb->len); | |
386 | ||
132ff4e5 BZ |
387 | return ret; |
388 | } | |
389 | ||
390 | static void btmrvl_init_adapter(struct btmrvl_private *priv) | |
391 | { | |
0d367408 BZ |
392 | int buf_size; |
393 | ||
132ff4e5 BZ |
394 | skb_queue_head_init(&priv->adapter->tx_queue); |
395 | ||
396 | priv->adapter->ps_state = PS_AWAKE; | |
397 | ||
0d367408 BZ |
398 | buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN); |
399 | priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL); | |
400 | if (!priv->adapter->hw_regs_buf) { | |
401 | priv->adapter->hw_regs = NULL; | |
402 | BT_ERR("Unable to allocate buffer for hw_regs."); | |
403 | } else { | |
404 | priv->adapter->hw_regs = | |
405 | (u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf, | |
406 | BTSDIO_DMA_ALIGN); | |
407 | BT_DBG("hw_regs_buf=%p hw_regs=%p", | |
408 | priv->adapter->hw_regs_buf, priv->adapter->hw_regs); | |
409 | } | |
410 | ||
132ff4e5 | 411 | init_waitqueue_head(&priv->adapter->cmd_wait_q); |
396e04f4 | 412 | init_waitqueue_head(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
413 | } |
414 | ||
415 | static void btmrvl_free_adapter(struct btmrvl_private *priv) | |
416 | { | |
132ff4e5 BZ |
417 | skb_queue_purge(&priv->adapter->tx_queue); |
418 | ||
0d367408 | 419 | kfree(priv->adapter->hw_regs_buf); |
132ff4e5 BZ |
420 | kfree(priv->adapter); |
421 | ||
422 | priv->adapter = NULL; | |
132ff4e5 BZ |
423 | } |
424 | ||
7bd8f09f | 425 | static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
132ff4e5 | 426 | { |
7648d28f | 427 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 428 | |
9374253f | 429 | BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len); |
132ff4e5 | 430 | |
132ff4e5 BZ |
431 | if (!test_bit(HCI_RUNNING, &hdev->flags)) { |
432 | BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags); | |
433 | print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET, | |
4271e08d | 434 | skb->data, skb->len); |
132ff4e5 BZ |
435 | return -EBUSY; |
436 | } | |
437 | ||
438 | switch (bt_cb(skb)->pkt_type) { | |
439 | case HCI_COMMAND_PKT: | |
440 | hdev->stat.cmd_tx++; | |
441 | break; | |
442 | ||
443 | case HCI_ACLDATA_PKT: | |
444 | hdev->stat.acl_tx++; | |
445 | break; | |
446 | ||
447 | case HCI_SCODATA_PKT: | |
448 | hdev->stat.sco_tx++; | |
449 | break; | |
450 | } | |
451 | ||
452 | skb_queue_tail(&priv->adapter->tx_queue, skb); | |
453 | ||
454 | wake_up_interruptible(&priv->main_thread.wait_q); | |
455 | ||
132ff4e5 BZ |
456 | return 0; |
457 | } | |
458 | ||
459 | static int btmrvl_flush(struct hci_dev *hdev) | |
460 | { | |
155961e8 | 461 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 462 | |
132ff4e5 BZ |
463 | skb_queue_purge(&priv->adapter->tx_queue); |
464 | ||
132ff4e5 BZ |
465 | return 0; |
466 | } | |
467 | ||
468 | static int btmrvl_close(struct hci_dev *hdev) | |
469 | { | |
155961e8 | 470 | struct btmrvl_private *priv = hci_get_drvdata(hdev); |
132ff4e5 | 471 | |
9374253f | 472 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
132ff4e5 | 473 | return 0; |
132ff4e5 BZ |
474 | |
475 | skb_queue_purge(&priv->adapter->tx_queue); | |
476 | ||
132ff4e5 BZ |
477 | return 0; |
478 | } | |
479 | ||
480 | static int btmrvl_open(struct hci_dev *hdev) | |
481 | { | |
132ff4e5 BZ |
482 | set_bit(HCI_RUNNING, &hdev->flags); |
483 | ||
132ff4e5 BZ |
484 | return 0; |
485 | } | |
486 | ||
433a9389 | 487 | static int btmrvl_download_cal_data(struct btmrvl_private *priv, |
8a4934f1 | 488 | u8 *data, int len) |
2cc86890 | 489 | { |
8a4934f1 | 490 | int ret; |
2cc86890 AK |
491 | |
492 | data[0] = 0x00; | |
493 | data[1] = 0x00; | |
494 | data[2] = 0x00; | |
8a4934f1 | 495 | data[3] = len; |
2cc86890 AK |
496 | |
497 | print_hex_dump_bytes("Calibration data: ", | |
8a4934f1 | 498 | DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len); |
2cc86890 AK |
499 | |
500 | ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data, | |
8a4934f1 | 501 | BT_CAL_HDR_LEN + len); |
2cc86890 | 502 | if (ret) |
7365d475 | 503 | BT_ERR("Failed to download caibration data"); |
2cc86890 AK |
504 | |
505 | return 0; | |
506 | } | |
507 | ||
025a60a7 | 508 | static int btmrvl_check_device_tree(struct btmrvl_private *priv) |
2cc86890 | 509 | { |
433a9389 | 510 | struct device_node *dt_node; |
8a4934f1 | 511 | u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE]; |
2cc86890 | 512 | int ret; |
025a60a7 | 513 | u32 val; |
2cc86890 | 514 | |
098ea6bc | 515 | for_each_compatible_node(dt_node, NULL, "btmrvl,cfgdata") { |
025a60a7 AK |
516 | ret = of_property_read_u32(dt_node, "btmrvl,gpio-gap", &val); |
517 | if (!ret) | |
518 | priv->btmrvl_dev.gpio_gap = val; | |
519 | ||
098ea6bc AK |
520 | ret = of_property_read_u8_array(dt_node, "btmrvl,cal-data", |
521 | cal_data + BT_CAL_HDR_LEN, | |
522 | BT_CAL_DATA_SIZE); | |
523 | if (ret) | |
524 | return ret; | |
525 | ||
526 | BT_DBG("Use cal data from device tree"); | |
527 | ret = btmrvl_download_cal_data(priv, cal_data, | |
528 | BT_CAL_DATA_SIZE); | |
529 | if (ret) { | |
530 | BT_ERR("Fail to download calibrate data"); | |
531 | return ret; | |
532 | } | |
2cc86890 AK |
533 | } |
534 | ||
535 | return 0; | |
536 | } | |
537 | ||
4b245722 AK |
538 | static int btmrvl_setup(struct hci_dev *hdev) |
539 | { | |
540 | struct btmrvl_private *priv = hci_get_drvdata(hdev); | |
9b89fdfe | 541 | int ret; |
4b245722 | 542 | |
9b89fdfe AK |
543 | ret = btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ); |
544 | if (ret) | |
545 | return ret; | |
4b245722 | 546 | |
025a60a7 AK |
547 | priv->btmrvl_dev.gpio_gap = 0xffff; |
548 | ||
549 | btmrvl_check_device_tree(priv); | |
2cc86890 | 550 | |
4df82b59 BZ |
551 | btmrvl_pscan_window_reporting(priv, 0x01); |
552 | ||
4b245722 AK |
553 | priv->btmrvl_dev.psmode = 1; |
554 | btmrvl_enable_ps(priv); | |
555 | ||
4b245722 AK |
556 | btmrvl_send_hscfg_cmd(priv); |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
27b869f5 AK |
561 | static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
562 | { | |
563 | struct sk_buff *skb; | |
564 | long ret; | |
565 | u8 buf[8]; | |
566 | ||
567 | buf[0] = MRVL_VENDOR_PKT; | |
568 | buf[1] = sizeof(bdaddr_t); | |
569 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
570 | ||
571 | skb = __hci_cmd_sync(hdev, BT_CMD_SET_BDADDR, sizeof(buf), buf, | |
572 | HCI_INIT_TIMEOUT); | |
573 | if (IS_ERR(skb)) { | |
574 | ret = PTR_ERR(skb); | |
575 | BT_ERR("%s: changing btmrvl device address failed (%ld)", | |
576 | hdev->name, ret); | |
577 | return ret; | |
578 | } | |
579 | kfree_skb(skb); | |
580 | ||
581 | return 0; | |
582 | } | |
583 | ||
132ff4e5 BZ |
584 | /* |
585 | * This function handles the event generated by firmware, rx data | |
586 | * received from firmware, and tx data sent from kernel. | |
587 | */ | |
588 | static int btmrvl_service_main_thread(void *data) | |
589 | { | |
590 | struct btmrvl_thread *thread = data; | |
591 | struct btmrvl_private *priv = thread->priv; | |
592 | struct btmrvl_adapter *adapter = priv->adapter; | |
593 | wait_queue_t wait; | |
594 | struct sk_buff *skb; | |
595 | ulong flags; | |
596 | ||
132ff4e5 BZ |
597 | init_waitqueue_entry(&wait, current); |
598 | ||
132ff4e5 BZ |
599 | for (;;) { |
600 | add_wait_queue(&thread->wait_q, &wait); | |
601 | ||
602 | set_current_state(TASK_INTERRUPTIBLE); | |
ea05fea9 DD |
603 | if (kthread_should_stop()) { |
604 | BT_DBG("main_thread: break from main thread"); | |
605 | break; | |
606 | } | |
132ff4e5 BZ |
607 | |
608 | if (adapter->wakeup_tries || | |
4271e08d MH |
609 | ((!adapter->int_count) && |
610 | (!priv->btmrvl_dev.tx_dnld_rdy || | |
611 | skb_queue_empty(&adapter->tx_queue)))) { | |
132ff4e5 BZ |
612 | BT_DBG("main_thread is sleeping..."); |
613 | schedule(); | |
614 | } | |
615 | ||
616 | set_current_state(TASK_RUNNING); | |
617 | ||
618 | remove_wait_queue(&thread->wait_q, &wait); | |
619 | ||
620 | BT_DBG("main_thread woke up"); | |
621 | ||
8b324fa6 AK |
622 | if (kthread_should_stop()) { |
623 | BT_DBG("main_thread: break from main thread"); | |
624 | break; | |
625 | } | |
626 | ||
132ff4e5 BZ |
627 | spin_lock_irqsave(&priv->driver_lock, flags); |
628 | if (adapter->int_count) { | |
629 | adapter->int_count = 0; | |
d1d10d78 AK |
630 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
631 | priv->hw_process_int_status(priv); | |
4271e08d MH |
632 | } else if (adapter->ps_state == PS_SLEEP && |
633 | !skb_queue_empty(&adapter->tx_queue)) { | |
132ff4e5 BZ |
634 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
635 | adapter->wakeup_tries++; | |
636 | priv->hw_wakeup_firmware(priv); | |
637 | continue; | |
d1d10d78 AK |
638 | } else { |
639 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
132ff4e5 | 640 | } |
132ff4e5 BZ |
641 | |
642 | if (adapter->ps_state == PS_SLEEP) | |
643 | continue; | |
644 | ||
645 | if (!priv->btmrvl_dev.tx_dnld_rdy) | |
646 | continue; | |
647 | ||
648 | skb = skb_dequeue(&adapter->tx_queue); | |
649 | if (skb) { | |
650 | if (btmrvl_tx_pkt(priv, skb)) | |
651 | priv->btmrvl_dev.hcidev->stat.err_tx++; | |
652 | else | |
4271e08d | 653 | priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
132ff4e5 BZ |
654 | |
655 | kfree_skb(skb); | |
656 | } | |
657 | } | |
658 | ||
132ff4e5 BZ |
659 | return 0; |
660 | } | |
661 | ||
64061607 | 662 | int btmrvl_register_hdev(struct btmrvl_private *priv) |
132ff4e5 BZ |
663 | { |
664 | struct hci_dev *hdev = NULL; | |
132ff4e5 BZ |
665 | int ret; |
666 | ||
132ff4e5 BZ |
667 | hdev = hci_alloc_dev(); |
668 | if (!hdev) { | |
669 | BT_ERR("Can not allocate HCI device"); | |
670 | goto err_hdev; | |
671 | } | |
672 | ||
132ff4e5 | 673 | priv->btmrvl_dev.hcidev = hdev; |
155961e8 | 674 | hci_set_drvdata(hdev, priv); |
132ff4e5 | 675 | |
e93ac9c0 MH |
676 | hdev->bus = HCI_SDIO; |
677 | hdev->open = btmrvl_open; | |
132ff4e5 BZ |
678 | hdev->close = btmrvl_close; |
679 | hdev->flush = btmrvl_flush; | |
e93ac9c0 | 680 | hdev->send = btmrvl_send_frame; |
4b245722 | 681 | hdev->setup = btmrvl_setup; |
27b869f5 | 682 | hdev->set_bdaddr = btmrvl_set_bdaddr; |
64061607 | 683 | |
f120c6b6 BZ |
684 | hdev->dev_type = priv->btmrvl_dev.dev_type; |
685 | ||
132ff4e5 BZ |
686 | ret = hci_register_dev(hdev); |
687 | if (ret < 0) { | |
688 | BT_ERR("Can not register HCI device"); | |
689 | goto err_hci_register_dev; | |
690 | } | |
691 | ||
fb784f05 BZ |
692 | #ifdef CONFIG_DEBUG_FS |
693 | btmrvl_debugfs_init(hdev); | |
694 | #endif | |
695 | ||
64061607 | 696 | return 0; |
132ff4e5 BZ |
697 | |
698 | err_hci_register_dev: | |
132ff4e5 BZ |
699 | hci_free_dev(hdev); |
700 | ||
701 | err_hdev: | |
64061607 BZ |
702 | /* Stop the thread servicing the interrupts */ |
703 | kthread_stop(priv->main_thread.task); | |
704 | ||
132ff4e5 | 705 | btmrvl_free_adapter(priv); |
64061607 BZ |
706 | kfree(priv); |
707 | ||
708 | return -ENOMEM; | |
709 | } | |
710 | EXPORT_SYMBOL_GPL(btmrvl_register_hdev); | |
711 | ||
712 | struct btmrvl_private *btmrvl_add_card(void *card) | |
713 | { | |
714 | struct btmrvl_private *priv; | |
715 | ||
716 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | |
717 | if (!priv) { | |
718 | BT_ERR("Can not allocate priv"); | |
719 | goto err_priv; | |
720 | } | |
721 | ||
722 | priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); | |
723 | if (!priv->adapter) { | |
724 | BT_ERR("Allocate buffer for btmrvl_adapter failed!"); | |
725 | goto err_adapter; | |
726 | } | |
727 | ||
728 | btmrvl_init_adapter(priv); | |
729 | ||
730 | BT_DBG("Starting kthread..."); | |
731 | priv->main_thread.priv = priv; | |
732 | spin_lock_init(&priv->driver_lock); | |
733 | ||
734 | init_waitqueue_head(&priv->main_thread.wait_q); | |
735 | priv->main_thread.task = kthread_run(btmrvl_service_main_thread, | |
736 | &priv->main_thread, "btmrvl_main_service"); | |
8500d791 AP |
737 | if (IS_ERR(priv->main_thread.task)) |
738 | goto err_thread; | |
64061607 BZ |
739 | |
740 | priv->btmrvl_dev.card = card; | |
741 | priv->btmrvl_dev.tx_dnld_rdy = true; | |
742 | ||
743 | return priv; | |
132ff4e5 | 744 | |
8500d791 AP |
745 | err_thread: |
746 | btmrvl_free_adapter(priv); | |
747 | ||
132ff4e5 BZ |
748 | err_adapter: |
749 | kfree(priv); | |
750 | ||
751 | err_priv: | |
132ff4e5 BZ |
752 | return NULL; |
753 | } | |
754 | EXPORT_SYMBOL_GPL(btmrvl_add_card); | |
755 | ||
756 | int btmrvl_remove_card(struct btmrvl_private *priv) | |
757 | { | |
758 | struct hci_dev *hdev; | |
759 | ||
132ff4e5 BZ |
760 | hdev = priv->btmrvl_dev.hcidev; |
761 | ||
762 | wake_up_interruptible(&priv->adapter->cmd_wait_q); | |
396e04f4 | 763 | wake_up_interruptible(&priv->adapter->event_hs_wait_q); |
132ff4e5 BZ |
764 | |
765 | kthread_stop(priv->main_thread.task); | |
766 | ||
fb784f05 BZ |
767 | #ifdef CONFIG_DEBUG_FS |
768 | btmrvl_debugfs_remove(hdev); | |
769 | #endif | |
770 | ||
132ff4e5 BZ |
771 | hci_unregister_dev(hdev); |
772 | ||
773 | hci_free_dev(hdev); | |
774 | ||
775 | priv->btmrvl_dev.hcidev = NULL; | |
776 | ||
777 | btmrvl_free_adapter(priv); | |
778 | ||
779 | kfree(priv); | |
780 | ||
132ff4e5 BZ |
781 | return 0; |
782 | } | |
783 | EXPORT_SYMBOL_GPL(btmrvl_remove_card); | |
784 | ||
785 | MODULE_AUTHOR("Marvell International Ltd."); | |
9666fb35 | 786 | MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
132ff4e5 BZ |
787 | MODULE_VERSION(VERSION); |
788 | MODULE_LICENSE("GPL v2"); |