1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2009-2012  Realtek Corporation.*/
3
4#include "../wifi.h"
5#include "../core.h"
6#include "../pci.h"
7#include "../base.h"
8#include "reg.h"
9#include "def.h"
10#include "phy.h"
11#include "dm.h"
12#include "hw.h"
13#include "sw.h"
14#include "trx.h"
15#include "led.h"
16
17#include <linux/module.h>
18
19static void rtl92d_init_aspm_vars(struct ieee80211_hw *hw)
20{
21	struct rtl_priv *rtlpriv = rtl_priv(hw);
22	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
23
24	/*
25	 * ASPM PS mode.
26	 * 0 - Disable ASPM,
27	 * 1 - Enable ASPM without Clock Req,
28	 * 2 - Enable ASPM with Clock Req,
29	 * 3 - Alwyas Enable ASPM with Clock Req,
30	 * 4 - Always Enable ASPM without Clock Req.
31	 * set defult to RTL8192CE:3 RTL8192E:2
32	 * */
33	rtlpci->const_pci_aspm = 3;
34
35	/*Setting for PCI-E device */
36	rtlpci->const_devicepci_aspm_setting = 0x03;
37
38	/*Setting for PCI-E bridge */
39	rtlpci->const_hostpci_aspm_setting = 0x02;
40
41	/*
42	 * In Hw/Sw Radio Off situation.
43	 * 0 - Default,
44	 * 1 - From ASPM setting without low Mac Pwr,
45	 * 2 - From ASPM setting with low Mac Pwr,
46	 * 3 - Bus D3
47	 * set default to RTL8192CE:0 RTL8192SE:2
48	 */
49	rtlpci->const_hwsw_rfoff_d3 = 0;
50
51	/*
52	 * This setting works for those device with
53	 * backdoor ASPM setting such as EPHY setting.
54	 * 0 - Not support ASPM,
55	 * 1 - Support ASPM,
56	 * 2 - According to chipset.
57	 */
58	rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support;
59}
60
61static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
62{
63	int err;
64	u8 tid;
65	struct rtl_priv *rtlpriv = rtl_priv(hw);
66	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
67	char *fw_name = "rtlwifi/rtl8192defw.bin";
68
69	rtlpriv->dm.dm_initialgain_enable = true;
70	rtlpriv->dm.dm_flag = 0;
71	rtlpriv->dm.disable_framebursting = false;
72	rtlpriv->dm.thermalvalue = 0;
73	rtlpriv->dm.useramask = true;
74
75	/* dual mac */
76	if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
77		rtlpriv->phy.current_channel = 36;
78	else
79		rtlpriv->phy.current_channel = 1;
80
81	if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
82		rtlpriv->rtlhal.disable_amsdu_8k = true;
83		/* No long RX - reduce fragmentation */
84		rtlpci->rxbuffersize = 4096;
85	}
86
87	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
88
89	rtlpci->receive_config = (
90			RCR_APPFCS
91			| RCR_AMF
92			| RCR_ADF
93			| RCR_APP_MIC
94			| RCR_APP_ICV
95			| RCR_AICV
96			| RCR_ACRC32
97			| RCR_AB
98			| RCR_AM
99			| RCR_APM
100			| RCR_APP_PHYST_RXFF
101			| RCR_HTC_LOC_CTRL
102	);
103
104	rtlpci->irq_mask[0] = (u32) (
105			IMR_ROK
106			| IMR_VODOK
107			| IMR_VIDOK
108			| IMR_BEDOK
109			| IMR_BKDOK
110			| IMR_MGNTDOK
111			| IMR_HIGHDOK
112			| IMR_BDOK
113			| IMR_RDU
114			| IMR_RXFOVW
115	);
116
117	rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD);
118
119	/* for LPS & IPS */
120	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
121	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
122	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
123	if (!rtlpriv->psc.inactiveps)
124		pr_info("Power Save off (module option)\n");
125	if (!rtlpriv->psc.fwctrl_lps)
126		pr_info("FW Power Save off (module option)\n");
127	rtlpriv->psc.reg_fwctrl_lps = 3;
128	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
129	/* for ASPM, you can close aspm through
130	 * set const_support_pciaspm = 0 */
131	rtl92d_init_aspm_vars(hw);
132
133	if (rtlpriv->psc.reg_fwctrl_lps == 1)
134		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
135	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
136		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
137	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
138		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
139
140	/* for early mode */
141	rtlpriv->rtlhal.earlymode_enable = false;
142	for (tid = 0; tid < 8; tid++)
143		skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
144
145	/* for firmware buf */
146	rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
147	if (!rtlpriv->rtlhal.pfirmware) {
148		pr_err("Can't alloc buffer for fw\n");
149		return 1;
150	}
151
152	rtlpriv->max_fw_size = 0x8000;
153	pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
154	pr_info("Loading firmware file %s\n", fw_name);
155
156	/* request fw */
157	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
158				      rtlpriv->io.dev, GFP_KERNEL, hw,
159				      rtl_fw_cb);
160	if (err) {
161		pr_err("Failed to request firmware!\n");
162		vfree(rtlpriv->rtlhal.pfirmware);
163		rtlpriv->rtlhal.pfirmware = NULL;
164		return 1;
165	}
166
167	return 0;
168}
169
170static void rtl92d_deinit_sw_vars(struct ieee80211_hw *hw)
171{
172	struct rtl_priv *rtlpriv = rtl_priv(hw);
173	u8 tid;
174
175	if (rtlpriv->rtlhal.pfirmware) {
176		vfree(rtlpriv->rtlhal.pfirmware);
177		rtlpriv->rtlhal.pfirmware = NULL;
178	}
179	for (tid = 0; tid < 8; tid++)
180		skb_queue_purge(&rtlpriv->mac80211.skb_waitq[tid]);
181}
182
183static struct rtl_hal_ops rtl8192de_hal_ops = {
184	.init_sw_vars = rtl92d_init_sw_vars,
185	.deinit_sw_vars = rtl92d_deinit_sw_vars,
186	.read_eeprom_info = rtl92de_read_eeprom_info,
187	.interrupt_recognized = rtl92de_interrupt_recognized,
188	.hw_init = rtl92de_hw_init,
189	.hw_disable = rtl92de_card_disable,
190	.hw_suspend = rtl92de_suspend,
191	.hw_resume = rtl92de_resume,
192	.enable_interrupt = rtl92de_enable_interrupt,
193	.disable_interrupt = rtl92de_disable_interrupt,
194	.set_network_type = rtl92de_set_network_type,
195	.set_chk_bssid = rtl92de_set_check_bssid,
196	.set_qos = rtl92de_set_qos,
197	.set_bcn_reg = rtl92de_set_beacon_related_registers,
198	.set_bcn_intv = rtl92de_set_beacon_interval,
199	.update_interrupt_mask = rtl92de_update_interrupt_mask,
200	.get_hw_reg = rtl92de_get_hw_reg,
201	.set_hw_reg = rtl92de_set_hw_reg,
202	.update_rate_tbl = rtl92de_update_hal_rate_tbl,
203	.fill_tx_desc = rtl92de_tx_fill_desc,
204	.fill_tx_cmddesc = rtl92de_tx_fill_cmddesc,
205	.query_rx_desc = rtl92de_rx_query_desc,
206	.set_channel_access = rtl92de_update_channel_access_setting,
207	.radio_onoff_checking = rtl92de_gpio_radio_on_off_checking,
208	.set_bw_mode = rtl92d_phy_set_bw_mode,
209	.switch_channel = rtl92d_phy_sw_chnl,
210	.dm_watchdog = rtl92d_dm_watchdog,
211	.scan_operation_backup = rtl_phy_scan_operation_backup,
212	.set_rf_power_state = rtl92d_phy_set_rf_power_state,
213	.led_control = rtl92de_led_control,
214	.set_desc = rtl92de_set_desc,
215	.get_desc = rtl92de_get_desc,
216	.is_tx_desc_closed = rtl92de_is_tx_desc_closed,
217	.tx_polling = rtl92de_tx_polling,
218	.enable_hw_sec = rtl92de_enable_hw_security_config,
219	.set_key = rtl92de_set_key,
220	.get_bbreg = rtl92d_phy_query_bb_reg,
221	.set_bbreg = rtl92d_phy_set_bb_reg,
222	.get_rfreg = rtl92d_phy_query_rf_reg,
223	.set_rfreg = rtl92d_phy_set_rf_reg,
224	.linked_set_reg = rtl92d_linked_set_reg,
225	.get_btc_status = rtl_btc_status_false,
226};
227
228static struct rtl_mod_params rtl92de_mod_params = {
229	.sw_crypto = false,
230	.inactiveps = true,
231	.swctrl_lps = true,
232	.fwctrl_lps = false,
233	.aspm_support = 1,
234	.debug_level = 0,
235	.debug_mask = 0,
236};
237
238static const struct rtl_hal_cfg rtl92de_hal_cfg = {
239	.bar_id = 2,
240	.write_readback = true,
241	.name = "rtl8192de",
242	.ops = &rtl8192de_hal_ops,
243	.mod_params = &rtl92de_mod_params,
244
245	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
246	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
247	.maps[SYS_CLK] = REG_SYS_CLKR,
248	.maps[MAC_RCR_AM] = RCR_AM,
249	.maps[MAC_RCR_AB] = RCR_AB,
250	.maps[MAC_RCR_ACRC32] = RCR_ACRC32,
251	.maps[MAC_RCR_ACF] = RCR_ACF,
252	.maps[MAC_RCR_AAP] = RCR_AAP,
253
254	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
255	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
256	.maps[EFUSE_CLK] = 0,	/* just for 92se */
257	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
258	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
259	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
260	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
261	.maps[EFUSE_ANA8M] = 0,	/* just for 92se */
262	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
263	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
264	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
265
266	.maps[RWCAM] = REG_CAMCMD,
267	.maps[WCAMI] = REG_CAMWRITE,
268	.maps[RCAMO] = REG_CAMREAD,
269	.maps[CAMDBG] = REG_CAMDBG,
270	.maps[SECR] = REG_SECCFG,
271	.maps[SEC_CAM_NONE] = CAM_NONE,
272	.maps[SEC_CAM_WEP40] = CAM_WEP40,
273	.maps[SEC_CAM_TKIP] = CAM_TKIP,
274	.maps[SEC_CAM_AES] = CAM_AES,
275	.maps[SEC_CAM_WEP104] = CAM_WEP104,
276
277	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
278	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
279	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
280	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
281	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
282	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
283	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
284	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
285	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
286	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
287	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
288	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
289	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
290	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
291	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
292	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
293
294	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
295	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
296	.maps[RTL_IMR_BCNINT] = IMR_BCNINT,
297	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
298	.maps[RTL_IMR_RDU] = IMR_RDU,
299	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
300	.maps[RTL_IMR_BDOK] = IMR_BDOK,
301	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
302	.maps[RTL_IMR_TBDER] = IMR_TBDER,
303	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
304	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
305	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
306	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
307	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
308	.maps[RTL_IMR_VODOK] = IMR_VODOK,
309	.maps[RTL_IMR_ROK] = IMR_ROK,
310	.maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER),
311
312	.maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M,
313	.maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M,
314	.maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M,
315	.maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M,
316	.maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M,
317	.maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M,
318	.maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M,
319	.maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M,
320	.maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M,
321	.maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M,
322	.maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M,
323	.maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M,
324
325	.maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7,
326	.maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15,
327};
328
329static const struct pci_device_id rtl92de_pci_ids[] = {
330	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8193, rtl92de_hal_cfg)},
331	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x002B, rtl92de_hal_cfg)},
332	{},
333};
334
335MODULE_DEVICE_TABLE(pci, rtl92de_pci_ids);
336
337MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
338MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
339MODULE_AUTHOR("Larry Finger	<Larry.Finger@lwfinger.net>");
340MODULE_LICENSE("GPL");
341MODULE_DESCRIPTION("Realtek 8192DE 802.11n Dual Mac PCI wireless");
342MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
343
344module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
345module_param_named(debug_level, rtl92de_mod_params.debug_level, int, 0644);
346module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
347module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
348module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
349module_param_named(aspm, rtl92de_mod_params.aspm_support, int, 0444);
350module_param_named(debug_mask, rtl92de_mod_params.debug_mask, ullong, 0644);
351MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
352MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
353MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 1)\n");
354MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 0)\n");
355MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
356MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
357MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
358
359static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
360
361static struct pci_driver rtl92de_driver = {
362	.name = KBUILD_MODNAME,
363	.id_table = rtl92de_pci_ids,
364	.probe = rtl_pci_probe,
365	.remove = rtl_pci_disconnect,
366	.driver.pm = &rtlwifi_pm_ops,
367};
368
369/* add global spin lock to solve the problem that
370 * Dul mac register operation on the same time */
371DEFINE_SPINLOCK(globalmutex_power);
372DEFINE_SPINLOCK(globalmutex_for_fwdownload);
373DEFINE_SPINLOCK(globalmutex_for_power_and_efuse);
374
375static int __init rtl92de_module_init(void)
376{
377	int ret = 0;
378
379	ret = pci_register_driver(&rtl92de_driver);
380	if (ret)
381		WARN_ONCE(true, "rtl8192de: No device found\n");
382	return ret;
383}
384
385static void __exit rtl92de_module_exit(void)
386{
387	pci_unregister_driver(&rtl92de_driver);
388}
389
390module_init(rtl92de_module_init);
391module_exit(rtl92de_module_exit);
392