1 /******************************************************************************
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 ******************************************************************************/
17 #include <drv_types.h>
18 #include <rtw_debug.h>
19 #include <linux/jiffies.h>
21 #ifndef dev_to_sdio_func
22 #define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev)
25 static const struct sdio_device_id sdio_ids[] =
27 { SDIO_DEVICE(0x024c, 0x0523), },
28 { SDIO_DEVICE(0x024c, 0x0525), },
29 { SDIO_DEVICE(0x024c, 0x0623), },
30 { SDIO_DEVICE(0x024c, 0x0626), },
31 { SDIO_DEVICE(0x024c, 0x0627), },
32 { SDIO_DEVICE(0x024c, 0xb723), },
33 { /* end: all zeroes */ },
35 MODULE_DEVICE_TABLE(sdio, sdio_ids);
37 static int rtw_drv_init(struct sdio_func *func, const struct sdio_device_id *id);
38 static void rtw_dev_remove(struct sdio_func *func);
39 static int rtw_sdio_resume(struct device *dev);
40 static int rtw_sdio_suspend(struct device *dev);
42 static const struct dev_pm_ops rtw_sdio_pm_ops = {
43 .suspend = rtw_sdio_suspend,
44 .resume = rtw_sdio_resume,
47 struct sdio_drv_priv {
48 struct sdio_driver r871xs_drv;
52 static struct sdio_drv_priv sdio_drvpriv = {
53 .r871xs_drv.probe = rtw_drv_init,
54 .r871xs_drv.remove = rtw_dev_remove,
55 .r871xs_drv.name = "rtl8723bs",
56 .r871xs_drv.id_table = sdio_ids,
58 .pm = &rtw_sdio_pm_ops,
62 static void sd_sync_int_hdl(struct sdio_func *func)
64 struct dvobj_priv *psdpriv;
67 psdpriv = sdio_get_drvdata(func);
70 DBG_871X("%s if1 == NULL\n", __func__);
74 rtw_sdio_set_irq_thd(psdpriv, current);
75 sd_int_hdl(psdpriv->if1);
76 rtw_sdio_set_irq_thd(psdpriv, NULL);
79 static int sdio_alloc_irq(struct dvobj_priv *dvobj)
81 PSDIO_DATA psdio_data;
82 struct sdio_func *func;
85 psdio_data = &dvobj->intf_data;
86 func = psdio_data->func;
88 sdio_claim_host(func);
90 err = sdio_claim_irq(func, &sd_sync_int_hdl);
93 dvobj->drv_dbg.dbg_sdio_alloc_irq_error_cnt++;
94 printk(KERN_CRIT "%s: sdio_claim_irq FAIL(%d)!\n", __func__, err);
98 dvobj->drv_dbg.dbg_sdio_alloc_irq_cnt++;
102 sdio_release_host(func);
104 return err?_FAIL:_SUCCESS;
107 static void sdio_free_irq(struct dvobj_priv *dvobj)
109 PSDIO_DATA psdio_data;
110 struct sdio_func *func;
113 if (dvobj->irq_alloc) {
114 psdio_data = &dvobj->intf_data;
115 func = psdio_data->func;
118 sdio_claim_host(func);
119 err = sdio_release_irq(func);
122 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
123 DBG_871X_LEVEL(_drv_err_,"%s: sdio_release_irq FAIL(%d)!\n", __func__, err);
126 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
127 sdio_release_host(func);
129 dvobj->irq_alloc = 0;
133 #ifdef CONFIG_GPIO_WAKEUP
134 extern unsigned int oob_irq;
135 static irqreturn_t gpio_hostwakeup_irq_thread(int irq, void *data)
137 struct adapter *padapter = data;
138 DBG_871X_LEVEL(_drv_always_, "gpio_hostwakeup_irq_thread\n");
139 /* Disable interrupt before calling handler */
140 /* disable_irq_nosync(oob_irq); */
141 rtw_lock_suspend_timeout(HZ/2);
145 static u8 gpio_hostwakeup_alloc_irq(struct adapter *padapter)
149 DBG_871X("oob_irq ZERO!\n");
152 /* dont set it IRQF_TRIGGER_LOW, or wowlan */
153 /* power is high after suspend */
154 /* and failing can prevent can not sleep issue if */
155 /* wifi gpio12 pin is not linked with CPU */
156 err = request_threaded_irq(oob_irq, gpio_hostwakeup_irq_thread, NULL,
157 /* IRQF_TRIGGER_LOW | IRQF_ONESHOT, */
158 IRQF_TRIGGER_FALLING,
159 "rtw_wifi_gpio_wakeup", padapter);
161 DBG_871X("Oops: can't allocate gpio irq %d err:%d\n", oob_irq, err);
164 DBG_871X("allocate gpio irq %d ok\n", oob_irq);
167 enable_irq_wake(oob_irq);
171 static void gpio_hostwakeup_free_irq(struct adapter *padapter)
176 disable_irq_wake(oob_irq);
177 free_irq(oob_irq, padapter);
181 static u32 sdio_init(struct dvobj_priv *dvobj)
183 PSDIO_DATA psdio_data;
184 struct sdio_func *func;
187 psdio_data = &dvobj->intf_data;
188 func = psdio_data->func;
190 /* 3 1. init SDIO bus */
191 sdio_claim_host(func);
193 err = sdio_enable_func(func);
195 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
196 DBG_8192C(KERN_CRIT "%s: sdio_enable_func FAIL(%d)!\n", __func__, err);
200 err = sdio_set_block_size(func, 512);
202 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
203 DBG_8192C(KERN_CRIT "%s: sdio_set_block_size FAIL(%d)!\n", __func__, err);
206 psdio_data->block_transfer_len = 512;
207 psdio_data->tx_block_mode = 1;
208 psdio_data->rx_block_mode = 1;
211 sdio_release_host(func);
218 static void sdio_deinit(struct dvobj_priv *dvobj)
220 struct sdio_func *func;
224 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+sdio_deinit\n"));
226 func = dvobj->intf_data.func;
229 sdio_claim_host(func);
230 err = sdio_disable_func(func);
233 dvobj->drv_dbg.dbg_sdio_deinit_error_cnt++;
234 DBG_8192C(KERN_ERR "%s: sdio_disable_func(%d)\n", __func__, err);
237 if (dvobj->irq_alloc) {
238 err = sdio_release_irq(func);
241 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
242 DBG_8192C(KERN_ERR "%s: sdio_release_irq(%d)\n", __func__, err);
245 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
248 sdio_release_host(func);
251 static struct dvobj_priv *sdio_dvobj_init(struct sdio_func *func)
254 struct dvobj_priv *dvobj = NULL;
257 dvobj = devobj_init();
262 sdio_set_drvdata(func, dvobj);
264 psdio = &dvobj->intf_data;
267 if (sdio_init(dvobj) != _SUCCESS) {
268 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: initialize SDIO Failed!\n", __func__));
271 rtw_reset_continual_io_error(dvobj);
275 if (status != _SUCCESS && dvobj) {
276 sdio_set_drvdata(func, NULL);
278 devobj_deinit(dvobj);
286 static void sdio_dvobj_deinit(struct sdio_func *func)
288 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
290 sdio_set_drvdata(func, NULL);
293 devobj_deinit(dvobj);
298 void rtw_set_hal_ops(struct adapter *padapter)
300 /* alloc memory for HAL DATA */
301 rtw_hal_data_init(padapter);
303 rtl8723bs_set_hal_ops(padapter);
306 static void sd_intf_start(struct adapter *padapter)
308 if (padapter == NULL) {
309 DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
314 rtw_hal_enable_interrupt(padapter);
317 static void sd_intf_stop(struct adapter *padapter)
319 if (padapter == NULL) {
320 DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
325 rtw_hal_disable_interrupt(padapter);
329 static struct adapter *rtw_sdio_if1_init(struct dvobj_priv *dvobj, const struct sdio_device_id *pdid)
332 struct net_device *pnetdev;
333 struct adapter *padapter = NULL;
334 PSDIO_DATA psdio = &dvobj->intf_data;
336 padapter = (struct adapter *)vzalloc(sizeof(*padapter));
337 if (padapter == NULL) {
341 padapter->dvobj = dvobj;
342 dvobj->if1 = padapter;
344 padapter->bDriverStopped =true;
346 dvobj->padapters = padapter;
347 padapter->iface_id = 0;
349 /* 3 1. init network device data */
350 pnetdev = rtw_init_netdev(padapter);
354 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
356 padapter = rtw_netdev_priv(pnetdev);
358 rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj));
360 /* 3 3. init driver special setting, interface, OS and hardware relative */
362 /* 4 3.1 set hardware operation functions */
363 rtw_set_hal_ops(padapter);
366 /* 3 5. initialize Chip version */
367 padapter->intf_start = &sd_intf_start;
368 padapter->intf_stop = &sd_intf_stop;
370 padapter->intf_init = &sdio_init;
371 padapter->intf_deinit = &sdio_deinit;
372 padapter->intf_alloc_irq = &sdio_alloc_irq;
373 padapter->intf_free_irq = &sdio_free_irq;
375 if (rtw_init_io_priv(padapter, sdio_set_intf_ops) == _FAIL)
377 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
378 ("rtw_drv_init: Can't init io_priv\n"));
382 rtw_hal_read_chip_version(padapter);
384 rtw_hal_chip_configure(padapter);
386 rtw_btcoex_Initialize(padapter);
388 /* 3 6. read efuse/eeprom data */
389 rtw_hal_read_chip_info(padapter);
391 /* 3 7. init driver common data */
392 if (rtw_init_drv_sw(padapter) == _FAIL) {
393 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
394 ("rtw_drv_init: Initialize driver software resource Failed!\n"));
398 /* 3 8. get WLan MAC address */
400 rtw_macaddr_cfg(&psdio->func->dev, padapter->eeprompriv.mac_addr);
402 rtw_hal_disable_interrupt(padapter);
404 DBG_871X("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
405 , padapter->bDriverStopped
406 , padapter->bSurpriseRemoved
408 , padapter->hw_init_completed
414 if (status != _SUCCESS && padapter->HalData)
415 kfree(padapter->HalData);
417 if (status != _SUCCESS) {
418 rtw_wdev_unregister(padapter->rtw_wdev);
419 rtw_wdev_free(padapter->rtw_wdev);
423 if (status != _SUCCESS) {
425 rtw_free_netdev(pnetdev);
427 vfree((u8 *)padapter);
434 static void rtw_sdio_if1_deinit(struct adapter *if1)
436 struct net_device *pnetdev = if1->pnetdev;
437 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
439 if (check_fwstate(pmlmepriv, _FW_LINKED))
440 rtw_disassoc_cmd(if1, 0, false);
442 free_mlme_ap_info(if1);
444 #ifdef CONFIG_GPIO_WAKEUP
445 gpio_hostwakeup_free_irq(if1);
448 rtw_cancel_all_timer(if1);
451 adapter_to_pwrctl(if1)->wowlan_mode =false;
452 DBG_871X_LEVEL(_drv_always_, "%s wowlan_mode:%d\n", __func__, adapter_to_pwrctl(if1)->wowlan_mode);
453 #endif /* CONFIG_WOWLAN */
456 DBG_871X("+r871xu_dev_remove, hw_init_completed =%d\n", if1->hw_init_completed);
459 rtw_wdev_free(if1->rtw_wdev);
462 rtw_free_drv_sw(if1);
465 rtw_free_netdev(pnetdev);
469 * drv_init() - a device potentially for us
471 * notes: drv_init() is called when the bus driver has located a card for us to support.
472 * We accept the new device by returning 0.
474 static int rtw_drv_init(
475 struct sdio_func *func,
476 const struct sdio_device_id *id)
479 struct adapter *if1 = NULL, *if2 = NULL;
480 struct dvobj_priv *dvobj;
482 dvobj = sdio_dvobj_init(func);
484 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("initialize device object priv Failed!\n"));
488 if1 = rtw_sdio_if1_init(dvobj, id);
490 DBG_871X("rtw_init_primarystruct adapter Failed!\n");
494 /* dev_alloc_name && register_netdev */
495 status = rtw_drv_register_netdev(if1);
496 if (status != _SUCCESS) {
500 if (sdio_alloc_irq(dvobj) != _SUCCESS)
503 #ifdef CONFIG_GPIO_WAKEUP
504 gpio_hostwakeup_alloc_irq(if1);
507 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
509 rtw_ndev_notifier_register();
513 if (status != _SUCCESS && if2) {
515 if (status != _SUCCESS && if1) {
516 rtw_sdio_if1_deinit(if1);
519 if (status != _SUCCESS)
520 sdio_dvobj_deinit(func);
522 return status == _SUCCESS?0:-ENODEV;
525 static void rtw_dev_remove(struct sdio_func *func)
527 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
528 struct adapter *padapter = dvobj->if1;
530 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+rtw_dev_remove\n"));
532 dvobj->processing_dev_remove = true;
534 rtw_unregister_netdevs(dvobj);
536 if (padapter->bSurpriseRemoved == false) {
539 /* test surprise remove */
540 sdio_claim_host(func);
541 sdio_readb(func, 0, &err);
542 sdio_release_host(func);
543 if (err == -ENOMEDIUM) {
544 padapter->bSurpriseRemoved = true;
545 DBG_871X(KERN_NOTICE "%s: device had been removed!\n", __func__);
549 rtw_ps_deny(padapter, PS_DENY_DRV_REMOVE);
551 rtw_pm_set_ips(padapter, IPS_NONE);
552 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
554 LeaveAllPowerSaveMode(padapter);
556 rtw_btcoex_HaltNotify(padapter);
558 rtw_sdio_if1_deinit(padapter);
560 sdio_dvobj_deinit(func);
562 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("-rtw_dev_remove\n"));
565 extern int pm_netdev_open(struct net_device *pnetdev, u8 bnormal);
566 extern int pm_netdev_close(struct net_device *pnetdev, u8 bnormal);
568 static int rtw_sdio_suspend(struct device *dev)
570 struct sdio_func *func =dev_to_sdio_func(dev);
571 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
572 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
573 struct adapter *padapter = psdpriv->if1;
574 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
576 if (padapter->bDriverStopped == true)
578 DBG_871X("%s bDriverStopped = %d\n", __func__, padapter->bDriverStopped);
582 if (pwrpriv->bInSuspend == true)
584 DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
585 pdbgpriv->dbg_suspend_error_cnt++;
589 return rtw_suspend_common(padapter);
592 static int rtw_resume_process(struct adapter *padapter)
594 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
595 struct dvobj_priv *psdpriv = padapter->dvobj;
596 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
598 if (pwrpriv->bInSuspend == false)
600 pdbgpriv->dbg_resume_error_cnt++;
601 DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
605 return rtw_resume_common(padapter);
608 static int rtw_sdio_resume(struct device *dev)
610 struct sdio_func *func =dev_to_sdio_func(dev);
611 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
612 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
613 struct adapter *padapter = psdpriv->if1;
614 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
616 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
618 DBG_871X("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
620 pdbgpriv->dbg_resume_cnt++;
622 if (pwrpriv->bInternalAutoSuspend)
624 ret = rtw_resume_process(padapter);
628 if (pwrpriv->wowlan_mode || pwrpriv->wowlan_ap_mode)
630 ret = rtw_resume_process(padapter);
634 ret = rtw_resume_process(padapter);
637 pmlmeext->last_scan_time = jiffies;
638 DBG_871X("<======== %s return %d\n", __func__, ret);
643 static int __init rtw_drv_entry(void)
647 DBG_871X_LEVEL(_drv_always_, "module init start\n");
648 dump_drv_version(RTW_DBGDUMP);
650 DBG_871X_LEVEL(_drv_always_, "rtl8723bs BT-Coex version = %s\n", BTCOEXVERSION);
651 #endif /* BTCOEXVERSION */
653 sdio_drvpriv.drv_registered = true;
656 ret = sdio_register_driver(&sdio_drvpriv.r871xs_drv);
659 sdio_drvpriv.drv_registered = false;
660 rtw_drv_proc_deinit();
661 rtw_ndev_notifier_unregister();
662 DBG_871X("%s: register driver failed!!(%d)\n", __func__, ret);
669 DBG_871X_LEVEL(_drv_always_, "module init ret =%d\n", ret);
673 static void __exit rtw_drv_halt(void)
675 DBG_871X_LEVEL(_drv_always_, "module exit start\n");
677 sdio_drvpriv.drv_registered = false;
679 sdio_unregister_driver(&sdio_drvpriv.r871xs_drv);
681 rtw_drv_proc_deinit();
682 rtw_ndev_notifier_unregister();
684 DBG_871X_LEVEL(_drv_always_, "module exit success\n");
686 rtw_mstat_dump(RTW_DBGDUMP);
690 module_init(rtw_drv_entry);
691 module_exit(rtw_drv_halt);