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 <hal_btcoex.h>
12 #include <linux/jiffies.h>
14 #ifndef dev_to_sdio_func
15 #define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev)
18 static const struct sdio_device_id sdio_ids[] = {
19 { SDIO_DEVICE(0x024c, 0x0523), },
20 { SDIO_DEVICE(0x024c, 0x0525), },
21 { SDIO_DEVICE(0x024c, 0x0623), },
22 { SDIO_DEVICE(0x024c, 0x0626), },
23 { SDIO_DEVICE(0x024c, 0xb723), },
24 { /* end: all zeroes */ },
26 MODULE_DEVICE_TABLE(sdio, sdio_ids);
28 static int rtw_drv_init(struct sdio_func *func, const struct sdio_device_id *id);
29 static void rtw_dev_remove(struct sdio_func *func);
30 static int rtw_sdio_resume(struct device *dev);
31 static int rtw_sdio_suspend(struct device *dev);
33 static const struct dev_pm_ops rtw_sdio_pm_ops = {
34 .suspend = rtw_sdio_suspend,
35 .resume = rtw_sdio_resume,
38 struct sdio_drv_priv {
39 struct sdio_driver r871xs_drv;
43 static struct sdio_drv_priv sdio_drvpriv = {
44 .r871xs_drv.probe = rtw_drv_init,
45 .r871xs_drv.remove = rtw_dev_remove,
46 .r871xs_drv.name = "rtl8723bs",
47 .r871xs_drv.id_table = sdio_ids,
49 .pm = &rtw_sdio_pm_ops,
53 static void sd_sync_int_hdl(struct sdio_func *func)
55 struct dvobj_priv *psdpriv;
58 psdpriv = sdio_get_drvdata(func);
61 DBG_871X("%s if1 == NULL\n", __func__);
65 rtw_sdio_set_irq_thd(psdpriv, current);
66 sd_int_hdl(psdpriv->if1);
67 rtw_sdio_set_irq_thd(psdpriv, NULL);
70 static int sdio_alloc_irq(struct dvobj_priv *dvobj)
72 struct sdio_data *psdio_data;
73 struct sdio_func *func;
76 psdio_data = &dvobj->intf_data;
77 func = psdio_data->func;
79 sdio_claim_host(func);
81 err = sdio_claim_irq(func, &sd_sync_int_hdl);
83 dvobj->drv_dbg.dbg_sdio_alloc_irq_error_cnt++;
84 printk(KERN_CRIT "%s: sdio_claim_irq FAIL(%d)!\n", __func__, err);
86 dvobj->drv_dbg.dbg_sdio_alloc_irq_cnt++;
90 sdio_release_host(func);
92 return err?_FAIL:_SUCCESS;
95 static void sdio_free_irq(struct dvobj_priv *dvobj)
97 struct sdio_data *psdio_data;
98 struct sdio_func *func;
101 if (dvobj->irq_alloc) {
102 psdio_data = &dvobj->intf_data;
103 func = psdio_data->func;
106 sdio_claim_host(func);
107 err = sdio_release_irq(func);
109 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
110 DBG_871X_LEVEL(_drv_err_, "%s: sdio_release_irq FAIL(%d)!\n", __func__, err);
112 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
113 sdio_release_host(func);
115 dvobj->irq_alloc = 0;
119 #ifdef CONFIG_GPIO_WAKEUP
120 extern unsigned int oob_irq;
121 static irqreturn_t gpio_hostwakeup_irq_thread(int irq, void *data)
123 struct adapter *padapter = data;
124 DBG_871X_LEVEL(_drv_always_, "gpio_hostwakeup_irq_thread\n");
125 /* Disable interrupt before calling handler */
126 /* disable_irq_nosync(oob_irq); */
127 rtw_lock_suspend_timeout(HZ/2);
131 static u8 gpio_hostwakeup_alloc_irq(struct adapter *padapter)
136 DBG_871X("oob_irq ZERO!\n");
139 /* dont set it IRQF_TRIGGER_LOW, or wowlan */
140 /* power is high after suspend */
141 /* and failing can prevent can not sleep issue if */
142 /* wifi gpio12 pin is not linked with CPU */
143 err = request_threaded_irq(oob_irq, gpio_hostwakeup_irq_thread, NULL,
144 /* IRQF_TRIGGER_LOW | IRQF_ONESHOT, */
145 IRQF_TRIGGER_FALLING,
146 "rtw_wifi_gpio_wakeup", padapter);
148 DBG_871X("Oops: can't allocate gpio irq %d err:%d\n", oob_irq, err);
151 DBG_871X("allocate gpio irq %d ok\n", oob_irq);
154 enable_irq_wake(oob_irq);
158 static void gpio_hostwakeup_free_irq(struct adapter *padapter)
163 disable_irq_wake(oob_irq);
164 free_irq(oob_irq, padapter);
168 static u32 sdio_init(struct dvobj_priv *dvobj)
170 struct sdio_data *psdio_data;
171 struct sdio_func *func;
174 psdio_data = &dvobj->intf_data;
175 func = psdio_data->func;
177 /* 3 1. init SDIO bus */
178 sdio_claim_host(func);
180 err = sdio_enable_func(func);
182 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
183 DBG_8192C(KERN_CRIT "%s: sdio_enable_func FAIL(%d)!\n", __func__, err);
187 err = sdio_set_block_size(func, 512);
189 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
190 DBG_8192C(KERN_CRIT "%s: sdio_set_block_size FAIL(%d)!\n", __func__, err);
193 psdio_data->block_transfer_len = 512;
194 psdio_data->tx_block_mode = 1;
195 psdio_data->rx_block_mode = 1;
198 sdio_release_host(func);
205 static void sdio_deinit(struct dvobj_priv *dvobj)
207 struct sdio_func *func;
211 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+sdio_deinit\n"));
213 func = dvobj->intf_data.func;
216 sdio_claim_host(func);
217 err = sdio_disable_func(func);
219 dvobj->drv_dbg.dbg_sdio_deinit_error_cnt++;
220 DBG_8192C(KERN_ERR "%s: sdio_disable_func(%d)\n", __func__, err);
223 if (dvobj->irq_alloc) {
224 err = sdio_release_irq(func);
226 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
227 DBG_8192C(KERN_ERR "%s: sdio_release_irq(%d)\n", __func__, err);
229 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
232 sdio_release_host(func);
235 static struct dvobj_priv *sdio_dvobj_init(struct sdio_func *func)
238 struct dvobj_priv *dvobj = NULL;
239 struct sdio_data *psdio;
241 dvobj = devobj_init();
246 sdio_set_drvdata(func, dvobj);
248 psdio = &dvobj->intf_data;
251 if (sdio_init(dvobj) != _SUCCESS) {
252 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: initialize SDIO Failed!\n", __func__));
255 rtw_reset_continual_io_error(dvobj);
259 if (status != _SUCCESS && dvobj) {
260 sdio_set_drvdata(func, NULL);
262 devobj_deinit(dvobj);
270 static void sdio_dvobj_deinit(struct sdio_func *func)
272 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
274 sdio_set_drvdata(func, NULL);
277 devobj_deinit(dvobj);
281 void rtw_set_hal_ops(struct adapter *padapter)
283 /* alloc memory for HAL DATA */
284 rtw_hal_data_init(padapter);
286 rtl8723bs_set_hal_ops(padapter);
289 static void sd_intf_start(struct adapter *padapter)
291 if (padapter == NULL) {
292 DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
297 rtw_hal_enable_interrupt(padapter);
300 static void sd_intf_stop(struct adapter *padapter)
302 if (padapter == NULL) {
303 DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
308 rtw_hal_disable_interrupt(padapter);
312 static struct adapter *rtw_sdio_if1_init(struct dvobj_priv *dvobj, const struct sdio_device_id *pdid)
315 struct net_device *pnetdev;
316 struct adapter *padapter = NULL;
317 struct sdio_data *psdio = &dvobj->intf_data;
319 padapter = vzalloc(sizeof(*padapter));
320 if (padapter == NULL) {
324 padapter->dvobj = dvobj;
325 dvobj->if1 = padapter;
327 padapter->bDriverStopped = true;
329 dvobj->padapters = padapter;
330 padapter->iface_id = 0;
332 /* 3 1. init network device data */
333 pnetdev = rtw_init_netdev(padapter);
337 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
339 padapter = rtw_netdev_priv(pnetdev);
341 rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj));
343 /* 3 3. init driver special setting, interface, OS and hardware relative */
345 /* 4 3.1 set hardware operation functions */
346 rtw_set_hal_ops(padapter);
349 /* 3 5. initialize Chip version */
350 padapter->intf_start = &sd_intf_start;
351 padapter->intf_stop = &sd_intf_stop;
353 padapter->intf_init = &sdio_init;
354 padapter->intf_deinit = &sdio_deinit;
355 padapter->intf_alloc_irq = &sdio_alloc_irq;
356 padapter->intf_free_irq = &sdio_free_irq;
358 if (rtw_init_io_priv(padapter, sdio_set_intf_ops) == _FAIL) {
359 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
360 ("rtw_drv_init: Can't init io_priv\n"));
364 rtw_hal_read_chip_version(padapter);
366 rtw_hal_chip_configure(padapter);
368 hal_btcoex_Initialize((void *) padapter);
370 /* 3 6. read efuse/eeprom data */
371 rtw_hal_read_chip_info(padapter);
373 /* 3 7. init driver common data */
374 if (rtw_init_drv_sw(padapter) == _FAIL) {
375 RT_TRACE(_module_hci_intfs_c_, _drv_err_,
376 ("rtw_drv_init: Initialize driver software resource Failed!\n"));
380 /* 3 8. get WLan MAC address */
382 rtw_macaddr_cfg(&psdio->func->dev, padapter->eeprompriv.mac_addr);
384 rtw_hal_disable_interrupt(padapter);
386 DBG_871X("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
387 , padapter->bDriverStopped
388 , padapter->bSurpriseRemoved
390 , padapter->hw_init_completed
396 if (status != _SUCCESS && padapter->HalData)
397 kfree(padapter->HalData);
399 if (status != _SUCCESS) {
400 rtw_wdev_unregister(padapter->rtw_wdev);
401 rtw_wdev_free(padapter->rtw_wdev);
405 if (status != _SUCCESS) {
407 rtw_free_netdev(pnetdev);
409 vfree((u8 *)padapter);
416 static void rtw_sdio_if1_deinit(struct adapter *if1)
418 struct net_device *pnetdev = if1->pnetdev;
419 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
421 if (check_fwstate(pmlmepriv, _FW_LINKED))
422 rtw_disassoc_cmd(if1, 0, false);
424 free_mlme_ap_info(if1);
426 #ifdef CONFIG_GPIO_WAKEUP
427 gpio_hostwakeup_free_irq(if1);
430 rtw_cancel_all_timer(if1);
433 adapter_to_pwrctl(if1)->wowlan_mode = false;
434 DBG_871X_LEVEL(_drv_always_, "%s wowlan_mode:%d\n", __func__, adapter_to_pwrctl(if1)->wowlan_mode);
435 #endif /* CONFIG_WOWLAN */
438 DBG_871X("+r871xu_dev_remove, hw_init_completed =%d\n", if1->hw_init_completed);
441 rtw_wdev_free(if1->rtw_wdev);
444 rtw_free_drv_sw(if1);
447 rtw_free_netdev(pnetdev);
451 * drv_init() - a device potentially for us
453 * notes: drv_init() is called when the bus driver has located a card for us to support.
454 * We accept the new device by returning 0.
456 static int rtw_drv_init(
457 struct sdio_func *func,
458 const struct sdio_device_id *id)
461 struct adapter *if1 = NULL, *if2 = NULL;
462 struct dvobj_priv *dvobj;
464 dvobj = sdio_dvobj_init(func);
466 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("initialize device object priv Failed!\n"));
470 if1 = rtw_sdio_if1_init(dvobj, id);
472 DBG_871X("rtw_init_primarystruct adapter Failed!\n");
476 /* dev_alloc_name && register_netdev */
477 status = rtw_drv_register_netdev(if1);
478 if (status != _SUCCESS)
481 if (sdio_alloc_irq(dvobj) != _SUCCESS)
484 #ifdef CONFIG_GPIO_WAKEUP
485 gpio_hostwakeup_alloc_irq(if1);
488 RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
490 rtw_ndev_notifier_register();
494 if (status != _SUCCESS && if2) {
496 if (status != _SUCCESS && if1) {
497 rtw_sdio_if1_deinit(if1);
500 if (status != _SUCCESS)
501 sdio_dvobj_deinit(func);
503 return status == _SUCCESS ? 0 : -ENODEV;
506 static void rtw_dev_remove(struct sdio_func *func)
508 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
509 struct adapter *padapter = dvobj->if1;
511 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+rtw_dev_remove\n"));
513 dvobj->processing_dev_remove = true;
515 rtw_unregister_netdevs(dvobj);
517 if (!padapter->bSurpriseRemoved) {
520 /* test surprise remove */
521 sdio_claim_host(func);
522 sdio_readb(func, 0, &err);
523 sdio_release_host(func);
524 if (err == -ENOMEDIUM) {
525 padapter->bSurpriseRemoved = true;
526 DBG_871X(KERN_NOTICE "%s: device had been removed!\n", __func__);
530 rtw_ps_deny(padapter, PS_DENY_DRV_REMOVE);
532 rtw_pm_set_ips(padapter, IPS_NONE);
533 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
535 LeaveAllPowerSaveMode(padapter);
537 rtw_btcoex_HaltNotify(padapter);
539 rtw_sdio_if1_deinit(padapter);
541 sdio_dvobj_deinit(func);
543 RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("-rtw_dev_remove\n"));
546 extern int pm_netdev_open(struct net_device *pnetdev, u8 bnormal);
547 extern int pm_netdev_close(struct net_device *pnetdev, u8 bnormal);
549 static int rtw_sdio_suspend(struct device *dev)
551 struct sdio_func *func = dev_to_sdio_func(dev);
552 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
553 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
554 struct adapter *padapter = psdpriv->if1;
555 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
557 if (padapter->bDriverStopped) {
558 DBG_871X("%s bDriverStopped = %d\n", __func__, padapter->bDriverStopped);
562 if (pwrpriv->bInSuspend) {
563 DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
564 pdbgpriv->dbg_suspend_error_cnt++;
568 return rtw_suspend_common(padapter);
571 static int rtw_resume_process(struct adapter *padapter)
573 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
574 struct dvobj_priv *psdpriv = padapter->dvobj;
575 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
577 if (!pwrpriv->bInSuspend) {
578 pdbgpriv->dbg_resume_error_cnt++;
579 DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
583 return rtw_resume_common(padapter);
586 static int rtw_sdio_resume(struct device *dev)
588 struct sdio_func *func = dev_to_sdio_func(dev);
589 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
590 struct adapter *padapter = psdpriv->if1;
591 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
593 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
595 DBG_871X("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
597 pdbgpriv->dbg_resume_cnt++;
599 ret = rtw_resume_process(padapter);
601 pmlmeext->last_scan_time = jiffies;
602 DBG_871X("<======== %s return %d\n", __func__, ret);
606 static int __init rtw_drv_entry(void)
610 DBG_871X_LEVEL(_drv_always_, "module init start\n");
611 dump_drv_version(RTW_DBGDUMP);
613 DBG_871X_LEVEL(_drv_always_, "rtl8723bs BT-Coex version = %s\n", BTCOEXVERSION);
614 #endif /* BTCOEXVERSION */
616 sdio_drvpriv.drv_registered = true;
618 ret = sdio_register_driver(&sdio_drvpriv.r871xs_drv);
620 sdio_drvpriv.drv_registered = false;
621 rtw_ndev_notifier_unregister();
622 DBG_871X("%s: register driver failed!!(%d)\n", __func__, ret);
629 DBG_871X_LEVEL(_drv_always_, "module init ret =%d\n", ret);
633 static void __exit rtw_drv_halt(void)
635 DBG_871X_LEVEL(_drv_always_, "module exit start\n");
637 sdio_drvpriv.drv_registered = false;
639 sdio_unregister_driver(&sdio_drvpriv.r871xs_drv);
641 rtw_ndev_notifier_unregister();
643 DBG_871X_LEVEL(_drv_always_, "module exit success\n");
645 rtw_mstat_dump(RTW_DBGDUMP);
649 module_init(rtw_drv_entry);
650 module_exit(rtw_drv_halt);