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, 0x0623), },
29 { SDIO_DEVICE(0x024c, 0x0626), },
30 { SDIO_DEVICE(0x024c, 0xb723), },
31 { /* end: all zeroes */ },
33 static const struct acpi_device_id acpi_ids[] = {
38 MODULE_DEVICE_TABLE(sdio, sdio_ids);
39 MODULE_DEVICE_TABLE(acpi, acpi_ids);
41 static int rtw_drv_init(struct sdio_func *func, const struct sdio_device_id *id);
42 static void rtw_dev_remove(struct sdio_func *func);
43 static int rtw_sdio_resume(struct device *dev);
44 static int rtw_sdio_suspend(struct device *dev);
46 static const struct dev_pm_ops rtw_sdio_pm_ops = {
47 .suspend = rtw_sdio_suspend,
48 .resume = rtw_sdio_resume,
51 struct sdio_drv_priv {
52 struct sdio_driver r871xs_drv;
56 static struct sdio_drv_priv sdio_drvpriv = {
57 .r871xs_drv.probe = rtw_drv_init,
58 .r871xs_drv.remove = rtw_dev_remove,
59 .r871xs_drv.name = "rtl8723bs",
60 .r871xs_drv.id_table = sdio_ids,
62 .pm = &rtw_sdio_pm_ops,
66 static void sd_sync_int_hdl(struct sdio_func *func)
68 struct dvobj_priv *psdpriv;
71 psdpriv = sdio_get_drvdata(func);
74 DBG_871X("%s if1 == NULL\n", __func__);
78 rtw_sdio_set_irq_thd(psdpriv, current);
79 sd_int_hdl(psdpriv->if1);
80 rtw_sdio_set_irq_thd(psdpriv, NULL);
83 static int sdio_alloc_irq(struct dvobj_priv *dvobj)
85 PSDIO_DATA psdio_data;
86 struct sdio_func *func;
89 psdio_data = &dvobj->intf_data;
90 func = psdio_data->func;
92 sdio_claim_host(func);
94 err = sdio_claim_irq(func, &sd_sync_int_hdl);
97 dvobj->drv_dbg.dbg_sdio_alloc_irq_error_cnt++;
98 printk(KERN_CRIT "%s: sdio_claim_irq FAIL(%d)!\n", __func__, err);
102 dvobj->drv_dbg.dbg_sdio_alloc_irq_cnt++;
103 dvobj->irq_alloc = 1;
106 sdio_release_host(func);
108 return err?_FAIL:_SUCCESS;
111 static void sdio_free_irq(struct dvobj_priv *dvobj)
113 PSDIO_DATA psdio_data;
114 struct sdio_func *func;
117 if (dvobj->irq_alloc) {
118 psdio_data = &dvobj->intf_data;
119 func = psdio_data->func;
122 sdio_claim_host(func);
123 err = sdio_release_irq(func);
126 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
127 DBG_871X_LEVEL(_drv_err_,"%s: sdio_release_irq FAIL(%d)!\n", __func__, err);
130 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
131 sdio_release_host(func);
133 dvobj->irq_alloc = 0;
137 #ifdef CONFIG_GPIO_WAKEUP
138 extern unsigned int oob_irq;
139 static irqreturn_t gpio_hostwakeup_irq_thread(int irq, void *data)
141 struct adapter *padapter = (struct adapter *)data;
142 DBG_871X_LEVEL(_drv_always_, "gpio_hostwakeup_irq_thread\n");
143 /* Disable interrupt before calling handler */
144 /* disable_irq_nosync(oob_irq); */
145 rtw_lock_suspend_timeout(HZ/2);
149 static u8 gpio_hostwakeup_alloc_irq(struct adapter *padapter)
153 DBG_871X("oob_irq ZERO!\n");
156 /* dont set it IRQF_TRIGGER_LOW, or wowlan */
157 /* power is high after suspend */
158 /* and failing can prevent can not sleep issue if */
159 /* wifi gpio12 pin is not linked with CPU */
160 err = request_threaded_irq(oob_irq, gpio_hostwakeup_irq_thread, NULL,
161 /* IRQF_TRIGGER_LOW | IRQF_ONESHOT, */
162 IRQF_TRIGGER_FALLING,
163 "rtw_wifi_gpio_wakeup", padapter);
165 DBG_871X("Oops: can't allocate gpio irq %d err:%d\n", oob_irq, err);
168 DBG_871X("allocate gpio irq %d ok\n", oob_irq);
171 enable_irq_wake(oob_irq);
175 static void gpio_hostwakeup_free_irq(struct adapter *padapter)
180 disable_irq_wake(oob_irq);
181 free_irq(oob_irq, padapter);
185 static u32 sdio_init(struct dvobj_priv *dvobj)
187 PSDIO_DATA psdio_data;
188 struct sdio_func *func;
191 psdio_data = &dvobj->intf_data;
192 func = psdio_data->func;
194 /* 3 1. init SDIO bus */
195 sdio_claim_host(func);
197 err = sdio_enable_func(func);
199 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
200 DBG_8192C(KERN_CRIT "%s: sdio_enable_func FAIL(%d)!\n", __func__, err);
204 err = sdio_set_block_size(func, 512);
206 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
207 DBG_8192C(KERN_CRIT "%s: sdio_set_block_size FAIL(%d)!\n", __func__, err);
210 psdio_data->block_transfer_len = 512;
211 psdio_data->tx_block_mode = 1;
212 psdio_data->rx_block_mode = 1;
215 sdio_release_host(func);
222 static void sdio_deinit(struct dvobj_priv *dvobj)
224 struct sdio_func *func;
228 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+sdio_deinit\n"));
230 func = dvobj->intf_data.func;
233 sdio_claim_host(func);
234 err = sdio_disable_func(func);
237 dvobj->drv_dbg.dbg_sdio_deinit_error_cnt++;
238 DBG_8192C(KERN_ERR "%s: sdio_disable_func(%d)\n", __func__, err);
241 if (dvobj->irq_alloc) {
242 err = sdio_release_irq(func);
245 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
246 DBG_8192C(KERN_ERR "%s: sdio_release_irq(%d)\n", __func__, err);
249 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
252 sdio_release_host(func);
255 static struct dvobj_priv *sdio_dvobj_init(struct sdio_func *func)
258 struct dvobj_priv *dvobj = NULL;
261 if ((dvobj = devobj_init()) == NULL) {
265 sdio_set_drvdata(func, dvobj);
267 psdio = &dvobj->intf_data;
270 if (sdio_init(dvobj) != _SUCCESS) {
271 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: initialize SDIO Failed!\n", __func__));
274 rtw_reset_continual_io_error(dvobj);
278 if (status != _SUCCESS && dvobj) {
279 sdio_set_drvdata(func, NULL);
281 devobj_deinit(dvobj);
289 static void sdio_dvobj_deinit(struct sdio_func *func)
291 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
293 sdio_set_drvdata(func, NULL);
296 devobj_deinit(dvobj);
301 void rtw_set_hal_ops(struct adapter *padapter)
303 /* alloc memory for HAL DATA */
304 rtw_hal_data_init(padapter);
306 rtl8723bs_set_hal_ops(padapter);
309 static void sd_intf_start(struct adapter *padapter)
311 if (padapter == NULL) {
312 DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
317 rtw_hal_enable_interrupt(padapter);
320 static void sd_intf_stop(struct adapter *padapter)
322 if (padapter == NULL) {
323 DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
328 rtw_hal_disable_interrupt(padapter);
332 static struct adapter *rtw_sdio_if1_init(struct dvobj_priv *dvobj, const struct sdio_device_id *pdid)
335 struct net_device *pnetdev;
336 struct adapter *padapter = NULL;
337 PSDIO_DATA psdio = &dvobj->intf_data;
339 if ((padapter = (struct adapter *)vzalloc(sizeof(*padapter))) == NULL) {
343 padapter->dvobj = dvobj;
344 dvobj->if1 = padapter;
346 padapter->bDriverStopped =true;
348 dvobj->padapters = padapter;
349 padapter->iface_id = 0;
351 /* 3 1. init network device data */
352 pnetdev = rtw_init_netdev(padapter);
356 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
358 padapter = rtw_netdev_priv(pnetdev);
360 rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj));
362 /* 3 3. init driver special setting, interface, OS and hardware relative */
364 /* 4 3.1 set hardware operation functions */
365 rtw_set_hal_ops(padapter);
368 /* 3 5. initialize Chip version */
369 padapter->intf_start = &sd_intf_start;
370 padapter->intf_stop = &sd_intf_stop;
372 padapter->intf_init = &sdio_init;
373 padapter->intf_deinit = &sdio_deinit;
374 padapter->intf_alloc_irq = &sdio_alloc_irq;
375 padapter->intf_free_irq = &sdio_free_irq;
377 if (rtw_init_io_priv(padapter, sdio_set_intf_ops) == _FAIL)
379 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
380 ("rtw_drv_init: Can't init io_priv\n"));
384 rtw_hal_read_chip_version(padapter);
386 rtw_hal_chip_configure(padapter);
388 rtw_btcoex_Initialize(padapter);
390 /* 3 6. read efuse/eeprom data */
391 rtw_hal_read_chip_info(padapter);
393 /* 3 7. init driver common data */
394 if (rtw_init_drv_sw(padapter) == _FAIL) {
395 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
396 ("rtw_drv_init: Initialize driver software resource Failed!\n"));
400 /* 3 8. get WLan MAC address */
402 rtw_macaddr_cfg(&psdio->func->dev, padapter->eeprompriv.mac_addr);
404 rtw_hal_disable_interrupt(padapter);
406 DBG_871X("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
407 , padapter->bDriverStopped
408 , padapter->bSurpriseRemoved
410 , padapter->hw_init_completed
416 if (status != _SUCCESS && padapter->HalData)
417 kfree(padapter->HalData);
419 if (status != _SUCCESS) {
420 rtw_wdev_unregister(padapter->rtw_wdev);
421 rtw_wdev_free(padapter->rtw_wdev);
425 if (status != _SUCCESS) {
427 rtw_free_netdev(pnetdev);
429 vfree((u8 *)padapter);
436 static void rtw_sdio_if1_deinit(struct adapter *if1)
438 struct net_device *pnetdev = if1->pnetdev;
439 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
441 if (check_fwstate(pmlmepriv, _FW_LINKED))
442 rtw_disassoc_cmd(if1, 0, false);
444 free_mlme_ap_info(if1);
446 #ifdef CONFIG_GPIO_WAKEUP
447 gpio_hostwakeup_free_irq(if1);
450 rtw_cancel_all_timer(if1);
453 adapter_to_pwrctl(if1)->wowlan_mode =false;
454 DBG_871X_LEVEL(_drv_always_, "%s wowlan_mode:%d\n", __func__, adapter_to_pwrctl(if1)->wowlan_mode);
455 #endif /* CONFIG_WOWLAN */
458 DBG_871X("+r871xu_dev_remove, hw_init_completed =%d\n", if1->hw_init_completed);
461 rtw_wdev_free(if1->rtw_wdev);
464 rtw_free_drv_sw(if1);
467 rtw_free_netdev(pnetdev);
471 * drv_init() - a device potentially for us
473 * notes: drv_init() is called when the bus driver has located a card for us to support.
474 * We accept the new device by returning 0.
476 static int rtw_drv_init(
477 struct sdio_func *func,
478 const struct sdio_device_id *id)
481 struct adapter *if1 = NULL, *if2 = NULL;
482 struct dvobj_priv *dvobj;
484 if ((dvobj = sdio_dvobj_init(func)) == NULL) {
485 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("initialize device object priv Failed!\n"));
489 if ((if1 = rtw_sdio_if1_init(dvobj, id)) == NULL) {
490 DBG_871X("rtw_init_primarystruct adapter Failed!\n");
494 /* dev_alloc_name && register_netdev */
495 if ((status = rtw_drv_register_netdev(if1)) != _SUCCESS) {
499 if (sdio_alloc_irq(dvobj) != _SUCCESS)
502 #ifdef CONFIG_GPIO_WAKEUP
503 gpio_hostwakeup_alloc_irq(if1);
506 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
508 rtw_ndev_notifier_register();
512 if (status != _SUCCESS && if2) {
514 if (status != _SUCCESS && if1) {
515 rtw_sdio_if1_deinit(if1);
518 if (status != _SUCCESS)
519 sdio_dvobj_deinit(func);
521 return status == _SUCCESS?0:-ENODEV;
524 static void rtw_dev_remove(struct sdio_func *func)
526 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
527 struct adapter *padapter = dvobj->if1;
529 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+rtw_dev_remove\n"));
531 dvobj->processing_dev_remove = true;
533 rtw_unregister_netdevs(dvobj);
535 if (padapter->bSurpriseRemoved == false) {
538 /* test surprise remove */
539 sdio_claim_host(func);
540 sdio_readb(func, 0, &err);
541 sdio_release_host(func);
542 if (err == -ENOMEDIUM) {
543 padapter->bSurpriseRemoved = true;
544 DBG_871X(KERN_NOTICE "%s: device had been removed!\n", __func__);
548 rtw_ps_deny(padapter, PS_DENY_DRV_REMOVE);
550 rtw_pm_set_ips(padapter, IPS_NONE);
551 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
553 LeaveAllPowerSaveMode(padapter);
555 rtw_btcoex_HaltNotify(padapter);
557 rtw_sdio_if1_deinit(padapter);
559 sdio_dvobj_deinit(func);
561 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("-rtw_dev_remove\n"));
564 extern int pm_netdev_open(struct net_device *pnetdev, u8 bnormal);
565 extern int pm_netdev_close(struct net_device *pnetdev, u8 bnormal);
567 static int rtw_sdio_suspend(struct device *dev)
569 struct sdio_func *func =dev_to_sdio_func(dev);
570 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
571 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
572 struct adapter *padapter = psdpriv->if1;
573 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
575 if (padapter->bDriverStopped == true)
577 DBG_871X("%s bDriverStopped = %d\n", __func__, padapter->bDriverStopped);
581 if (pwrpriv->bInSuspend == true)
583 DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
584 pdbgpriv->dbg_suspend_error_cnt++;
588 return rtw_suspend_common(padapter);
591 static int rtw_resume_process(struct adapter *padapter)
593 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
594 struct dvobj_priv *psdpriv = padapter->dvobj;
595 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
597 if (pwrpriv->bInSuspend == false)
599 pdbgpriv->dbg_resume_error_cnt++;
600 DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
604 return rtw_resume_common(padapter);
607 static int rtw_sdio_resume(struct device *dev)
609 struct sdio_func *func =dev_to_sdio_func(dev);
610 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
611 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
612 struct adapter *padapter = psdpriv->if1;
613 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
615 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
617 DBG_871X("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
619 pdbgpriv->dbg_resume_cnt++;
621 if (pwrpriv->bInternalAutoSuspend)
623 ret = rtw_resume_process(padapter);
627 if (pwrpriv->wowlan_mode || pwrpriv->wowlan_ap_mode)
629 ret = rtw_resume_process(padapter);
633 ret = rtw_resume_process(padapter);
636 pmlmeext->last_scan_time = jiffies;
637 DBG_871X("<======== %s return %d\n", __func__, ret);
642 static int __init rtw_drv_entry(void)
646 DBG_871X_LEVEL(_drv_always_, "module init start\n");
647 dump_drv_version(RTW_DBGDUMP);
649 DBG_871X_LEVEL(_drv_always_, "rtl8723bs BT-Coex version = %s\n", BTCOEXVERSION);
650 #endif /* BTCOEXVERSION */
652 sdio_drvpriv.drv_registered = true;
655 ret = sdio_register_driver(&sdio_drvpriv.r871xs_drv);
658 sdio_drvpriv.drv_registered = false;
659 rtw_drv_proc_deinit();
660 rtw_ndev_notifier_unregister();
661 DBG_871X("%s: register driver failed!!(%d)\n", __func__, ret);
668 DBG_871X_LEVEL(_drv_always_, "module init ret =%d\n", ret);
672 static void __exit rtw_drv_halt(void)
674 DBG_871X_LEVEL(_drv_always_, "module exit start\n");
676 sdio_drvpriv.drv_registered = false;
678 sdio_unregister_driver(&sdio_drvpriv.r871xs_drv);
680 rtw_drv_proc_deinit();
681 rtw_ndev_notifier_unregister();
683 DBG_871X_LEVEL(_drv_always_, "module exit success\n");
685 rtw_mstat_dump(RTW_DBGDUMP);
689 module_init(rtw_drv_entry);
690 module_exit(rtw_drv_halt);