1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
6 ******************************************************************************/
9 #include <hal_btcoex.h>
10 #include <linux/jiffies.h>
12 #ifndef dev_to_sdio_func
13 #define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev)
16 static const struct sdio_device_id sdio_ids[] = {
17 { SDIO_DEVICE(0x024c, 0x0523), },
18 { SDIO_DEVICE(0x024c, 0x0525), },
19 { SDIO_DEVICE(0x024c, 0x0623), },
20 { SDIO_DEVICE(0x024c, 0x0626), },
21 { SDIO_DEVICE(0x024c, 0x0627), },
22 { SDIO_DEVICE(0x024c, 0xb723), },
23 { /* end: all zeroes */ },
25 MODULE_DEVICE_TABLE(sdio, sdio_ids);
27 static int rtw_drv_init(struct sdio_func *func, const struct sdio_device_id *id);
28 static void rtw_dev_remove(struct sdio_func *func);
29 static int rtw_sdio_resume(struct device *dev);
30 static int rtw_sdio_suspend(struct device *dev);
32 static const struct dev_pm_ops rtw_sdio_pm_ops = {
33 .suspend = rtw_sdio_suspend,
34 .resume = rtw_sdio_resume,
37 static struct sdio_driver rtl8723bs_sdio_driver = {
38 .probe = rtw_drv_init,
39 .remove = rtw_dev_remove,
43 .pm = &rtw_sdio_pm_ops,
47 static void sd_sync_int_hdl(struct sdio_func *func)
49 struct dvobj_priv *psdpriv;
52 psdpriv = sdio_get_drvdata(func);
57 rtw_sdio_set_irq_thd(psdpriv, current);
58 sd_int_hdl(psdpriv->if1);
59 rtw_sdio_set_irq_thd(psdpriv, NULL);
62 static int sdio_alloc_irq(struct dvobj_priv *dvobj)
64 struct sdio_data *psdio_data;
65 struct sdio_func *func;
68 psdio_data = &dvobj->intf_data;
69 func = psdio_data->func;
71 sdio_claim_host(func);
73 err = sdio_claim_irq(func, &sd_sync_int_hdl);
75 dvobj->drv_dbg.dbg_sdio_alloc_irq_error_cnt++;
76 printk(KERN_CRIT "%s: sdio_claim_irq FAIL(%d)!\n", __func__, err);
78 dvobj->drv_dbg.dbg_sdio_alloc_irq_cnt++;
82 sdio_release_host(func);
84 return err?_FAIL:_SUCCESS;
87 static void sdio_free_irq(struct dvobj_priv *dvobj)
89 struct sdio_data *psdio_data;
90 struct sdio_func *func;
93 if (dvobj->irq_alloc) {
94 psdio_data = &dvobj->intf_data;
95 func = psdio_data->func;
98 sdio_claim_host(func);
99 err = sdio_release_irq(func);
101 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
102 netdev_err(dvobj->if1->pnetdev,
103 "%s: sdio_release_irq FAIL(%d)!\n",
106 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
107 sdio_release_host(func);
109 dvobj->irq_alloc = 0;
113 static u32 sdio_init(struct dvobj_priv *dvobj)
115 struct sdio_data *psdio_data;
116 struct sdio_func *func;
119 psdio_data = &dvobj->intf_data;
120 func = psdio_data->func;
122 /* 3 1. init SDIO bus */
123 sdio_claim_host(func);
125 err = sdio_enable_func(func);
127 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
131 err = sdio_set_block_size(func, 512);
133 dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
136 psdio_data->block_transfer_len = 512;
137 psdio_data->tx_block_mode = 1;
138 psdio_data->rx_block_mode = 1;
141 sdio_release_host(func);
148 static void sdio_deinit(struct dvobj_priv *dvobj)
150 struct sdio_func *func;
153 func = dvobj->intf_data.func;
156 sdio_claim_host(func);
157 err = sdio_disable_func(func);
159 dvobj->drv_dbg.dbg_sdio_deinit_error_cnt++;
161 if (dvobj->irq_alloc) {
162 err = sdio_release_irq(func);
164 dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
166 dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
169 sdio_release_host(func);
172 static struct dvobj_priv *sdio_dvobj_init(struct sdio_func *func)
175 struct dvobj_priv *dvobj = NULL;
176 struct sdio_data *psdio;
178 dvobj = devobj_init();
182 sdio_set_drvdata(func, dvobj);
184 psdio = &dvobj->intf_data;
187 if (sdio_init(dvobj) != _SUCCESS)
190 rtw_reset_continual_io_error(dvobj);
194 if (status != _SUCCESS && dvobj) {
195 sdio_set_drvdata(func, NULL);
197 devobj_deinit(dvobj);
205 static void sdio_dvobj_deinit(struct sdio_func *func)
207 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
209 sdio_set_drvdata(func, NULL);
212 devobj_deinit(dvobj);
216 void rtw_set_hal_ops(struct adapter *padapter)
218 /* alloc memory for HAL DATA */
219 rtw_hal_data_init(padapter);
221 rtl8723bs_set_hal_ops(padapter);
224 static void sd_intf_start(struct adapter *padapter)
230 rtw_hal_enable_interrupt(padapter);
233 static void sd_intf_stop(struct adapter *padapter)
239 rtw_hal_disable_interrupt(padapter);
243 static struct adapter *rtw_sdio_if1_init(struct dvobj_priv *dvobj, const struct sdio_device_id *pdid)
246 struct net_device *pnetdev;
247 struct adapter *padapter = NULL;
248 struct sdio_data *psdio = &dvobj->intf_data;
250 padapter = vzalloc(sizeof(*padapter));
254 padapter->dvobj = dvobj;
255 dvobj->if1 = padapter;
257 padapter->bDriverStopped = true;
259 dvobj->padapters = padapter;
260 padapter->iface_id = 0;
262 /* 3 1. init network device data */
263 pnetdev = rtw_init_netdev(padapter);
267 SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
269 padapter = rtw_netdev_priv(pnetdev);
271 /* 3 3. init driver special setting, interface, OS and hardware relative */
273 /* 4 3.1 set hardware operation functions */
274 rtw_set_hal_ops(padapter);
277 /* 3 5. initialize Chip version */
278 padapter->intf_start = &sd_intf_start;
279 padapter->intf_stop = &sd_intf_stop;
281 padapter->intf_init = &sdio_init;
282 padapter->intf_deinit = &sdio_deinit;
283 padapter->intf_alloc_irq = &sdio_alloc_irq;
284 padapter->intf_free_irq = &sdio_free_irq;
286 if (rtw_init_io_priv(padapter, sdio_set_intf_ops) == _FAIL)
289 rtw_hal_read_chip_version(padapter);
291 rtw_hal_chip_configure(padapter);
293 hal_btcoex_Initialize((void *) padapter);
295 /* 3 6. read efuse/eeprom data */
296 rtw_hal_read_chip_info(padapter);
298 /* 3 7. init driver common data */
299 if (rtw_init_drv_sw(padapter) == _FAIL)
302 rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj));
304 /* 3 8. get WLan MAC address */
306 rtw_macaddr_cfg(&psdio->func->dev, padapter->eeprompriv.mac_addr);
308 rtw_hal_disable_interrupt(padapter);
313 if (status != _SUCCESS && padapter->HalData)
314 kfree(padapter->HalData);
316 if (status != _SUCCESS) {
317 rtw_wdev_unregister(padapter->rtw_wdev);
318 rtw_wdev_free(padapter->rtw_wdev);
322 if (status != _SUCCESS) {
324 rtw_free_netdev(pnetdev);
326 vfree((u8 *)padapter);
333 static void rtw_sdio_if1_deinit(struct adapter *if1)
335 struct net_device *pnetdev = if1->pnetdev;
336 struct mlme_priv *pmlmepriv = &if1->mlmepriv;
338 if (check_fwstate(pmlmepriv, _FW_LINKED))
339 rtw_disassoc_cmd(if1, 0, false);
341 free_mlme_ap_info(if1);
343 rtw_cancel_all_timer(if1);
348 rtw_wdev_free(if1->rtw_wdev);
350 rtw_free_drv_sw(if1);
353 rtw_free_netdev(pnetdev);
357 * drv_init() - a device potentially for us
359 * notes: drv_init() is called when the bus driver has located a card for us to support.
360 * We accept the new device by returning 0.
362 static int rtw_drv_init(
363 struct sdio_func *func,
364 const struct sdio_device_id *id)
367 struct adapter *if1 = NULL;
368 struct dvobj_priv *dvobj;
370 dvobj = sdio_dvobj_init(func);
374 if1 = rtw_sdio_if1_init(dvobj, id);
378 /* dev_alloc_name && register_netdev */
379 status = rtw_drv_register_netdev(if1);
380 if (status != _SUCCESS)
383 if (sdio_alloc_irq(dvobj) != _SUCCESS)
386 rtw_ndev_notifier_register();
390 if (status != _SUCCESS && if1)
391 rtw_sdio_if1_deinit(if1);
394 if (status != _SUCCESS)
395 sdio_dvobj_deinit(func);
397 return status == _SUCCESS ? 0 : -ENODEV;
400 static void rtw_dev_remove(struct sdio_func *func)
402 struct dvobj_priv *dvobj = sdio_get_drvdata(func);
403 struct adapter *padapter = dvobj->if1;
405 dvobj->processing_dev_remove = true;
407 rtw_unregister_netdevs(dvobj);
409 if (!padapter->bSurpriseRemoved) {
412 /* test surprise remove */
413 sdio_claim_host(func);
414 sdio_readb(func, 0, &err);
415 sdio_release_host(func);
416 if (err == -ENOMEDIUM)
417 padapter->bSurpriseRemoved = true;
420 rtw_ps_deny(padapter, PS_DENY_DRV_REMOVE);
422 rtw_pm_set_ips(padapter, IPS_NONE);
423 rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
425 LeaveAllPowerSaveMode(padapter);
427 rtw_btcoex_HaltNotify(padapter);
429 rtw_sdio_if1_deinit(padapter);
431 sdio_dvobj_deinit(func);
434 static int rtw_sdio_suspend(struct device *dev)
436 struct sdio_func *func = dev_to_sdio_func(dev);
437 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
438 struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
439 struct adapter *padapter = psdpriv->if1;
440 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
442 if (padapter->bDriverStopped)
445 if (pwrpriv->bInSuspend) {
446 pdbgpriv->dbg_suspend_error_cnt++;
450 rtw_suspend_common(padapter);
455 static int rtw_resume_process(struct adapter *padapter)
457 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
458 struct dvobj_priv *psdpriv = padapter->dvobj;
459 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
461 if (!pwrpriv->bInSuspend) {
462 pdbgpriv->dbg_resume_error_cnt++;
466 return rtw_resume_common(padapter);
469 static int rtw_sdio_resume(struct device *dev)
471 struct sdio_func *func = dev_to_sdio_func(dev);
472 struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
473 struct adapter *padapter = psdpriv->if1;
474 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
476 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
478 pdbgpriv->dbg_resume_cnt++;
480 ret = rtw_resume_process(padapter);
482 pmlmeext->last_scan_time = jiffies;
486 static int __init rtw_drv_entry(void)
490 ret = sdio_register_driver(&rtl8723bs_sdio_driver);
492 rtw_ndev_notifier_unregister();
497 static void __exit rtw_drv_halt(void)
499 sdio_unregister_driver(&rtl8723bs_sdio_driver);
501 rtw_ndev_notifier_unregister();
505 module_init(rtw_drv_entry);
506 module_exit(rtw_drv_halt);