1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
6 ******************************************************************************/
10 #include <rtw_debug.h>
11 #include <linux/jiffies.h>
13 #ifndef dev_to_sdio_func
14 #define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev)
17 static const struct sdio_device_id sdio_ids[] =
19 { SDIO_DEVICE(0x024c, 0x0523), },
20 { SDIO_DEVICE(0x024c, 0x0623), },
21 { SDIO_DEVICE(0x024c, 0x0626), },
22 { SDIO_DEVICE(0x024c, 0xb723), },
23 { /* end: all zeroes */ },
25 static const struct acpi_device_id acpi_ids[] = {
30 MODULE_DEVICE_TABLE(sdio, sdio_ids);
31 MODULE_DEVICE_TABLE(acpi, acpi_ids);
33 static int rtw_drv_init(struct sdio_func *func, const struct sdio_device_id *id);
34 static void rtw_dev_remove(struct sdio_func *func);
35 static int rtw_sdio_resume(struct device *dev);
36 static int rtw_sdio_suspend(struct device *dev);
38 static const struct dev_pm_ops rtw_sdio_pm_ops = {
39 .suspend = rtw_sdio_suspend,
40 .resume = rtw_sdio_resume,
43 struct sdio_drv_priv {
44 struct sdio_driver r871xs_drv;
48 static struct sdio_drv_priv sdio_drvpriv = {
49 .r871xs_drv.probe = rtw_drv_init,
50 .r871xs_drv.remove = rtw_dev_remove,
51 .r871xs_drv.name = "rtl8723bs",
52 .r871xs_drv.id_table = sdio_ids,
54 .pm = &rtw_sdio_pm_ops,
58 static void sd_sync_int_hdl(struct sdio_func *func)
60 struct dvobj_priv *psdpriv;
63 psdpriv = sdio_get_drvdata(func);
66 DBG_871X("%s if1 == NULL\n", __func__);
70 rtw_sdio_set_irq_thd(psdpriv, current);
71 sd_int_hdl(psdpriv->if1);
72 rtw_sdio_set_irq_thd(psdpriv, NULL);
75 static int sdio_alloc_irq(struct dvobj_priv *dvobj)
77 PSDIO_DATA psdio_data;
78 struct sdio_func *func;
81 psdio_data = &dvobj->intf_data;
82 func = psdio_data->func;
84 sdio_claim_host(func);
86 err = sdio_claim_irq(func, &sd_sync_int_hdl);
89 dvobj->drv_dbg.dbg_sdio_alloc_irq_error_cnt++;
90 printk(KERN_CRIT "%s: sdio_claim_irq FAIL(%d)!\n", __func__, err);
94 dvobj->drv_dbg.dbg_sdio_alloc_irq_cnt++;
98 sdio_release_host(func);
100 return err?_FAIL:_SUCCESS;
103 static void sdio_free_irq(struct dvobj_priv *dvobj)
105 PSDIO_DATA psdio_data;
106 struct sdio_func *func;
109 if (dvobj->irq_alloc) {
110 psdio_data = &dvobj->intf_data;
111 func = psdio_data->func;
114 sdio_claim_host(func);
115 err = sdio_release_irq(func);
118 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
119 DBG_871X_LEVEL(_drv_err_,"%s: sdio_release_irq FAIL(%d)!\n", __func__, err);
122 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
123 sdio_release_host(func);
125 dvobj->irq_alloc = 0;
129 #ifdef CONFIG_GPIO_WAKEUP
130 extern unsigned int oob_irq;
131 static irqreturn_t gpio_hostwakeup_irq_thread(int irq, void *data)
133 struct adapter *padapter = data;
134 DBG_871X_LEVEL(_drv_always_, "gpio_hostwakeup_irq_thread\n");
135 /* Disable interrupt before calling handler */
136 /* disable_irq_nosync(oob_irq); */
137 rtw_lock_suspend_timeout(HZ/2);
141 static u8 gpio_hostwakeup_alloc_irq(struct adapter *padapter)
145 DBG_871X("oob_irq ZERO!\n");
148 /* dont set it IRQF_TRIGGER_LOW, or wowlan */
149 /* power is high after suspend */
150 /* and failing can prevent can not sleep issue if */
151 /* wifi gpio12 pin is not linked with CPU */
152 err = request_threaded_irq(oob_irq, gpio_hostwakeup_irq_thread, NULL,
153 /* IRQF_TRIGGER_LOW | IRQF_ONESHOT, */
154 IRQF_TRIGGER_FALLING,
155 "rtw_wifi_gpio_wakeup", padapter);
157 DBG_871X("Oops: can't allocate gpio irq %d err:%d\n", oob_irq, err);
160 DBG_871X("allocate gpio irq %d ok\n", oob_irq);
163 enable_irq_wake(oob_irq);
167 static void gpio_hostwakeup_free_irq(struct adapter *padapter)
172 disable_irq_wake(oob_irq);
173 free_irq(oob_irq, padapter);
177 static u32 sdio_init(struct dvobj_priv *dvobj)
179 PSDIO_DATA psdio_data;
180 struct sdio_func *func;
183 psdio_data = &dvobj->intf_data;
184 func = psdio_data->func;
186 /* 3 1. init SDIO bus */
187 sdio_claim_host(func);
189 err = sdio_enable_func(func);
191 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
192 DBG_8192C(KERN_CRIT "%s: sdio_enable_func FAIL(%d)!\n", __func__, err);
196 err = sdio_set_block_size(func, 512);
198 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
199 DBG_8192C(KERN_CRIT "%s: sdio_set_block_size FAIL(%d)!\n", __func__, err);
202 psdio_data->block_transfer_len = 512;
203 psdio_data->tx_block_mode = 1;
204 psdio_data->rx_block_mode = 1;
207 sdio_release_host(func);
214 static void sdio_deinit(struct dvobj_priv *dvobj)
216 struct sdio_func *func;
220 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+sdio_deinit\n"));
222 func = dvobj->intf_data.func;
225 sdio_claim_host(func);
226 err = sdio_disable_func(func);
229 dvobj->drv_dbg.dbg_sdio_deinit_error_cnt++;
230 DBG_8192C(KERN_ERR "%s: sdio_disable_func(%d)\n", __func__, err);
233 if (dvobj->irq_alloc) {
234 err = sdio_release_irq(func);
237 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
238 DBG_8192C(KERN_ERR "%s: sdio_release_irq(%d)\n", __func__, err);
241 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
244 sdio_release_host(func);
247 static struct dvobj_priv *sdio_dvobj_init(struct sdio_func *func)
250 struct dvobj_priv *dvobj = NULL;
253 dvobj = devobj_init();
258 sdio_set_drvdata(func, dvobj);
260 psdio = &dvobj->intf_data;
263 if (sdio_init(dvobj) != _SUCCESS) {
264 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: initialize SDIO Failed!\n", __func__));
267 rtw_reset_continual_io_error(dvobj);
271 if (status != _SUCCESS && dvobj) {
272 sdio_set_drvdata(func, NULL);
274 devobj_deinit(dvobj);
282 static void sdio_dvobj_deinit(struct sdio_func *func)
284 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
286 sdio_set_drvdata(func, NULL);
289 devobj_deinit(dvobj);
294 void rtw_set_hal_ops(struct adapter *padapter)
296 /* alloc memory for HAL DATA */
297 rtw_hal_data_init(padapter);
299 rtl8723bs_set_hal_ops(padapter);
302 static void sd_intf_start(struct adapter *padapter)
304 if (padapter == NULL) {
305 DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
310 rtw_hal_enable_interrupt(padapter);
313 static void sd_intf_stop(struct adapter *padapter)
315 if (padapter == NULL) {
316 DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
321 rtw_hal_disable_interrupt(padapter);
325 static struct adapter *rtw_sdio_if1_init(struct dvobj_priv *dvobj, const struct sdio_device_id *pdid)
328 struct net_device *pnetdev;
329 struct adapter *padapter = NULL;
330 PSDIO_DATA psdio = &dvobj->intf_data;
332 padapter = vzalloc(sizeof(*padapter));
333 if (padapter == NULL) {
337 padapter->dvobj = dvobj;
338 dvobj->if1 = padapter;
340 padapter->bDriverStopped =true;
342 dvobj->padapters = padapter;
343 padapter->iface_id = 0;
345 /* 3 1. init network device data */
346 pnetdev = rtw_init_netdev(padapter);
350 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
352 padapter = rtw_netdev_priv(pnetdev);
354 rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj));
356 /* 3 3. init driver special setting, interface, OS and hardware relative */
358 /* 4 3.1 set hardware operation functions */
359 rtw_set_hal_ops(padapter);
362 /* 3 5. initialize Chip version */
363 padapter->intf_start = &sd_intf_start;
364 padapter->intf_stop = &sd_intf_stop;
366 padapter->intf_init = &sdio_init;
367 padapter->intf_deinit = &sdio_deinit;
368 padapter->intf_alloc_irq = &sdio_alloc_irq;
369 padapter->intf_free_irq = &sdio_free_irq;
371 if (rtw_init_io_priv(padapter, sdio_set_intf_ops) == _FAIL)
373 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
374 ("rtw_drv_init: Can't init io_priv\n"));
378 rtw_hal_read_chip_version(padapter);
380 rtw_hal_chip_configure(padapter);
382 rtw_btcoex_Initialize(padapter);
384 /* 3 6. read efuse/eeprom data */
385 rtw_hal_read_chip_info(padapter);
387 /* 3 7. init driver common data */
388 if (rtw_init_drv_sw(padapter) == _FAIL) {
389 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
390 ("rtw_drv_init: Initialize driver software resource Failed!\n"));
394 /* 3 8. get WLan MAC address */
396 rtw_macaddr_cfg(&psdio->func->dev, padapter->eeprompriv.mac_addr);
398 rtw_hal_disable_interrupt(padapter);
400 DBG_871X("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
401 , padapter->bDriverStopped
402 , padapter->bSurpriseRemoved
404 , padapter->hw_init_completed
410 if (status != _SUCCESS && padapter->HalData)
411 kfree(padapter->HalData);
413 if (status != _SUCCESS) {
414 rtw_wdev_unregister(padapter->rtw_wdev);
415 rtw_wdev_free(padapter->rtw_wdev);
419 if (status != _SUCCESS) {
421 rtw_free_netdev(pnetdev);
423 vfree((u8 *)padapter);
430 static void rtw_sdio_if1_deinit(struct adapter *if1)
432 struct net_device *pnetdev = if1->pnetdev;
433 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
435 if (check_fwstate(pmlmepriv, _FW_LINKED))
436 rtw_disassoc_cmd(if1, 0, false);
438 free_mlme_ap_info(if1);
440 #ifdef CONFIG_GPIO_WAKEUP
441 gpio_hostwakeup_free_irq(if1);
444 rtw_cancel_all_timer(if1);
447 adapter_to_pwrctl(if1)->wowlan_mode =false;
448 DBG_871X_LEVEL(_drv_always_, "%s wowlan_mode:%d\n", __func__, adapter_to_pwrctl(if1)->wowlan_mode);
449 #endif /* CONFIG_WOWLAN */
452 DBG_871X("+r871xu_dev_remove, hw_init_completed =%d\n", if1->hw_init_completed);
455 rtw_wdev_free(if1->rtw_wdev);
458 rtw_free_drv_sw(if1);
461 rtw_free_netdev(pnetdev);
465 * drv_init() - a device potentially for us
467 * notes: drv_init() is called when the bus driver has located a card for us to support.
468 * We accept the new device by returning 0.
470 static int rtw_drv_init(
471 struct sdio_func *func,
472 const struct sdio_device_id *id)
475 struct adapter *if1 = NULL, *if2 = NULL;
476 struct dvobj_priv *dvobj;
478 dvobj = sdio_dvobj_init(func);
480 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("initialize device object priv Failed!\n"));
484 if1 = rtw_sdio_if1_init(dvobj, id);
486 DBG_871X("rtw_init_primarystruct adapter Failed!\n");
490 /* dev_alloc_name && register_netdev */
491 status = rtw_drv_register_netdev(if1);
492 if (status != _SUCCESS) {
496 if (sdio_alloc_irq(dvobj) != _SUCCESS)
499 #ifdef CONFIG_GPIO_WAKEUP
500 gpio_hostwakeup_alloc_irq(if1);
503 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
505 rtw_ndev_notifier_register();
509 if (status != _SUCCESS && if2) {
511 if (status != _SUCCESS && if1) {
512 rtw_sdio_if1_deinit(if1);
515 if (status != _SUCCESS)
516 sdio_dvobj_deinit(func);
518 return status == _SUCCESS?0:-ENODEV;
521 static void rtw_dev_remove(struct sdio_func *func)
523 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
524 struct adapter *padapter = dvobj->if1;
526 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+rtw_dev_remove\n"));
528 dvobj->processing_dev_remove = true;
530 rtw_unregister_netdevs(dvobj);
532 if (padapter->bSurpriseRemoved == false) {
535 /* test surprise remove */
536 sdio_claim_host(func);
537 sdio_readb(func, 0, &err);
538 sdio_release_host(func);
539 if (err == -ENOMEDIUM) {
540 padapter->bSurpriseRemoved = true;
541 DBG_871X(KERN_NOTICE "%s: device had been removed!\n", __func__);
545 rtw_ps_deny(padapter, PS_DENY_DRV_REMOVE);
547 rtw_pm_set_ips(padapter, IPS_NONE);
548 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
550 LeaveAllPowerSaveMode(padapter);
552 rtw_btcoex_HaltNotify(padapter);
554 rtw_sdio_if1_deinit(padapter);
556 sdio_dvobj_deinit(func);
558 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("-rtw_dev_remove\n"));
561 extern int pm_netdev_open(struct net_device *pnetdev, u8 bnormal);
562 extern int pm_netdev_close(struct net_device *pnetdev, u8 bnormal);
564 static int rtw_sdio_suspend(struct device *dev)
566 struct sdio_func *func =dev_to_sdio_func(dev);
567 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
568 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
569 struct adapter *padapter = psdpriv->if1;
570 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
572 if (padapter->bDriverStopped == true)
574 DBG_871X("%s bDriverStopped = %d\n", __func__, padapter->bDriverStopped);
578 if (pwrpriv->bInSuspend == true)
580 DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
581 pdbgpriv->dbg_suspend_error_cnt++;
585 return rtw_suspend_common(padapter);
588 static int rtw_resume_process(struct adapter *padapter)
590 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
591 struct dvobj_priv *psdpriv = padapter->dvobj;
592 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
594 if (pwrpriv->bInSuspend == false)
596 pdbgpriv->dbg_resume_error_cnt++;
597 DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
601 return rtw_resume_common(padapter);
604 static int rtw_sdio_resume(struct device *dev)
606 struct sdio_func *func =dev_to_sdio_func(dev);
607 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
608 struct adapter *padapter = psdpriv->if1;
609 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
611 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
613 DBG_871X("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
615 pdbgpriv->dbg_resume_cnt++;
617 ret = rtw_resume_process(padapter);
619 pmlmeext->last_scan_time = jiffies;
620 DBG_871X("<======== %s return %d\n", __func__, ret);
624 static int __init rtw_drv_entry(void)
628 DBG_871X_LEVEL(_drv_always_, "module init start\n");
629 dump_drv_version(RTW_DBGDUMP);
631 DBG_871X_LEVEL(_drv_always_, "rtl8723bs BT-Coex version = %s\n", BTCOEXVERSION);
632 #endif /* BTCOEXVERSION */
634 sdio_drvpriv.drv_registered = true;
637 ret = sdio_register_driver(&sdio_drvpriv.r871xs_drv);
640 sdio_drvpriv.drv_registered = false;
641 rtw_drv_proc_deinit();
642 rtw_ndev_notifier_unregister();
643 DBG_871X("%s: register driver failed!!(%d)\n", __func__, ret);
650 DBG_871X_LEVEL(_drv_always_, "module init ret =%d\n", ret);
654 static void __exit rtw_drv_halt(void)
656 DBG_871X_LEVEL(_drv_always_, "module exit start\n");
658 sdio_drvpriv.drv_registered = false;
660 sdio_unregister_driver(&sdio_drvpriv.r871xs_drv);
662 rtw_drv_proc_deinit();
663 rtw_ndev_notifier_unregister();
665 DBG_871X_LEVEL(_drv_always_, "module exit success\n");
667 rtw_mstat_dump(RTW_DBGDUMP);
671 module_init(rtw_drv_entry);
672 module_exit(rtw_drv_halt);