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	/*close ASPM for AMD defaultly */
25	rtlpci->const_amdpci_aspm = 0;
26
27	/*
28	 * ASPM PS mode.
29	 * 0 - Disable ASPM,
30	 * 1 - Enable ASPM without Clock Req,
31	 * 2 - Enable ASPM with Clock Req,
32	 * 3 - Alwyas Enable ASPM with Clock Req,
33	 * 4 - Always Enable ASPM without Clock Req.
34	 * set defult to RTL8192CE:3 RTL8192E:2
35	 * */
36	rtlpci->const_pci_aspm = 3;
37
38	/*Setting for PCI-E device */
39	rtlpci->const_devicepci_aspm_setting = 0x03;
40
41	/*Setting for PCI-E bridge */
42	rtlpci->const_hostpci_aspm_setting = 0x02;
43
44	/*
45	 * In Hw/Sw Radio Off situation.
46	 * 0 - Default,
47	 * 1 - From ASPM setting without low Mac Pwr,
48	 * 2 - From ASPM setting with low Mac Pwr,
49	 * 3 - Bus D3
50	 * set default to RTL8192CE:0 RTL8192SE:2
51	 */
52	rtlpci->const_hwsw_rfoff_d3 = 0;
53
54	/*
55	 * This setting works for those device with
56	 * backdoor ASPM setting such as EPHY setting.
57	 * 0 - Not support ASPM,
58	 * 1 - Support ASPM,
59	 * 2 - According to chipset.
60	 */
61	rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support;
62}
63
64static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
65{
66	int err;
67	u8 tid;
68	struct rtl_priv *rtlpriv = rtl_priv(hw);
69	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
70	char *fw_name = "rtlwifi/rtl8192defw.bin";
71
72	rtlpriv->dm.dm_initialgain_enable = true;
73	rtlpriv->dm.dm_flag = 0;
74	rtlpriv->dm.disable_framebursting = false;
75	rtlpriv->dm.thermalvalue = 0;
76	rtlpriv->dm.useramask = true;
77
78	/* dual mac */
79	if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
80		rtlpriv->phy.current_channel = 36;
81	else
82		rtlpriv->phy.current_channel = 1;
83
84	if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
85		rtlpriv->rtlhal.disable_amsdu_8k = true;
86		/* No long RX - reduce fragmentation */
87		rtlpci->rxbuffersize = 4096;
88	}
89
90	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
91
92	rtlpci->receive_config = (
93			RCR_APPFCS
94			| RCR_AMF
95			| RCR_ADF
96			| RCR_APP_MIC
97			| RCR_APP_ICV
98			| RCR_AICV
99			| RCR_ACRC32
100			| RCR_AB
101			| RCR_AM
102			| RCR_APM
103			| RCR_APP_PHYST_RXFF
104			| RCR_HTC_LOC_CTRL
105	);
106
107	rtlpci->irq_mask[0] = (u32) (
108			IMR_ROK
109			| IMR_VODOK
110			| IMR_VIDOK
111			| IMR_BEDOK
112			| IMR_BKDOK
113			| IMR_MGNTDOK
114			| IMR_HIGHDOK
115			| IMR_BDOK
116			| IMR_RDU
117			| IMR_RXFOVW
118	);
119
120	rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD);
121
122	/* for LPS & IPS */
123	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
124	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
125	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
126	if (!rtlpriv->psc.inactiveps)
127		pr_info("Power Save off (module option)\n");
128	if (!rtlpriv->psc.fwctrl_lps)
129		pr_info("FW Power Save off (module option)\n");
130	rtlpriv->psc.reg_fwctrl_lps = 3;
131	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
132	/* for ASPM, you can close aspm through
133	 * set const_support_pciaspm = 0 */
134	rtl92d_init_aspm_vars(hw);
135
136	if (rtlpriv->psc.reg_fwctrl_lps == 1)
137		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
138	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
139		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
140	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
141		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
142
143	/* for early mode */
144	rtlpriv->rtlhal.earlymode_enable = false;
145	for (tid = 0; tid < 8; tid++)
146		skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
147
148	/* for firmware buf */
149	rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
150	if (!rtlpriv->rtlhal.pfirmware) {
151		pr_err("Can't alloc buffer for fw\n");
152		return 1;
153	}
154
155	rtlpriv->max_fw_size = 0x8000;
156	pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
157	pr_info("Loading firmware file %s\n", fw_name);
158
159	/* request fw */
160	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
161				      rtlpriv->io.dev, GFP_KERNEL, hw,
162				      rtl_fw_cb);
163	if (err) {
164		pr_err("Failed to request firmware!\n");
165		vfree(rtlpriv->rtlhal.pfirmware);
166		rtlpriv->rtlhal.pfirmware = NULL;
167		return 1;
168	}
169
170	return 0;
171}
172
173static void rtl92d_deinit_sw_vars(struct ieee80211_hw *hw)
174{
175	struct rtl_priv *rtlpriv = rtl_priv(hw);
176	u8 tid;
177
178	if (rtlpriv->rtlhal.pfirmware) {
179		vfree(rtlpriv->rtlhal.pfirmware);
180		rtlpriv->rtlhal.pfirmware = NULL;
181	}
182	for (tid = 0; tid < 8; tid++)
183		skb_queue_purge(&rtlpriv->mac80211.skb_waitq[tid]);
184}
185
186static struct rtl_hal_ops rtl8192de_hal_ops = {
187	.init_sw_vars = rtl92d_init_sw_vars,
188	.deinit_sw_vars = rtl92d_deinit_sw_vars,
189	.read_eeprom_info = rtl92de_read_eeprom_info,
190	.interrupt_recognized = rtl92de_interrupt_recognized,
191	.hw_init = rtl92de_hw_init,
192	.hw_disable = rtl92de_card_disable,
193	.hw_suspend = rtl92de_suspend,
194	.hw_resume = rtl92de_resume,
195	.enable_interrupt = rtl92de_enable_interrupt,
196	.disable_interrupt = rtl92de_disable_interrupt,
197	.set_network_type = rtl92de_set_network_type,
198	.set_chk_bssid = rtl92de_set_check_bssid,
199	.set_qos = rtl92de_set_qos,
200	.set_bcn_reg = rtl92de_set_beacon_related_registers,
201	.set_bcn_intv = rtl92de_set_beacon_interval,
202	.update_interrupt_mask = rtl92de_update_interrupt_mask,
203	.get_hw_reg = rtl92de_get_hw_reg,
204	.set_hw_reg = rtl92de_set_hw_reg,
205	.update_rate_tbl = rtl92de_update_hal_rate_tbl,
206	.fill_tx_desc = rtl92de_tx_fill_desc,
207	.fill_tx_cmddesc = rtl92de_tx_fill_cmddesc,
208	.query_rx_desc = rtl92de_rx_query_desc,
209	.set_channel_access = rtl92de_update_channel_access_setting,
210	.radio_onoff_checking = rtl92de_gpio_radio_on_off_checking,
211	.set_bw_mode = rtl92d_phy_set_bw_mode,
212	.switch_channel = rtl92d_phy_sw_chnl,
213	.dm_watchdog = rtl92d_dm_watchdog,
214	.scan_operation_backup = rtl_phy_scan_operation_backup,
215	.set_rf_power_state = rtl92d_phy_set_rf_power_state,
216	.led_control = rtl92de_led_control,
217	.set_desc = rtl92de_set_desc,
218	.get_desc = rtl92de_get_desc,
219	.is_tx_desc_closed = rtl92de_is_tx_desc_closed,
220	.tx_polling = rtl92de_tx_polling,
221	.enable_hw_sec = rtl92de_enable_hw_security_config,
222	.set_key = rtl92de_set_key,
223	.get_bbreg = rtl92d_phy_query_bb_reg,
224	.set_bbreg = rtl92d_phy_set_bb_reg,
225	.get_rfreg = rtl92d_phy_query_rf_reg,
226	.set_rfreg = rtl92d_phy_set_rf_reg,
227	.linked_set_reg = rtl92d_linked_set_reg,
228	.get_btc_status = rtl_btc_status_false,
229};
230
231static struct rtl_mod_params rtl92de_mod_params = {
232	.sw_crypto = false,
233	.inactiveps = true,
234	.swctrl_lps = true,
235	.fwctrl_lps = false,
236	.aspm_support = 1,
237	.debug_level = 0,
238	.debug_mask = 0,
239};
240
241static const struct rtl_hal_cfg rtl92de_hal_cfg = {
242	.bar_id = 2,
243	.write_readback = true,
244	.name = "rtl8192de",
245	.ops = &rtl8192de_hal_ops,
246	.mod_params = &rtl92de_mod_params,
247
248	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
249	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
250	.maps[SYS_CLK] = REG_SYS_CLKR,
251	.maps[MAC_RCR_AM] = RCR_AM,
252	.maps[MAC_RCR_AB] = RCR_AB,
253	.maps[MAC_RCR_ACRC32] = RCR_ACRC32,
254	.maps[MAC_RCR_ACF] = RCR_ACF,
255	.maps[MAC_RCR_AAP] = RCR_AAP,
256
257	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
258	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
259	.maps[EFUSE_CLK] = 0,	/* just for 92se */
260	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
261	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
262	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
263	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
264	.maps[EFUSE_ANA8M] = 0,	/* just for 92se */
265	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
266	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
267	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
268
269	.maps[RWCAM] = REG_CAMCMD,
270	.maps[WCAMI] = REG_CAMWRITE,
271	.maps[RCAMO] = REG_CAMREAD,
272	.maps[CAMDBG] = REG_CAMDBG,
273	.maps[SECR] = REG_SECCFG,
274	.maps[SEC_CAM_NONE] = CAM_NONE,
275	.maps[SEC_CAM_WEP40] = CAM_WEP40,
276	.maps[SEC_CAM_TKIP] = CAM_TKIP,
277	.maps[SEC_CAM_AES] = CAM_AES,
278	.maps[SEC_CAM_WEP104] = CAM_WEP104,
279
280	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
281	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
282	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
283	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
284	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
285	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
286	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
287	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
288	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
289	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
290	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
291	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
292	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
293	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
294	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
295	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
296
297	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
298	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
299	.maps[RTL_IMR_BCNINT] = IMR_BCNINT,
300	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
301	.maps[RTL_IMR_RDU] = IMR_RDU,
302	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
303	.maps[RTL_IMR_BDOK] = IMR_BDOK,
304	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
305	.maps[RTL_IMR_TBDER] = IMR_TBDER,
306	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
307	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
308	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
309	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
310	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
311	.maps[RTL_IMR_VODOK] = IMR_VODOK,
312	.maps[RTL_IMR_ROK] = IMR_ROK,
313	.maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER),
314
315	.maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M,
316	.maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M,
317	.maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M,
318	.maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M,
319	.maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M,
320	.maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M,
321	.maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M,
322	.maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M,
323	.maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M,
324	.maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M,
325	.maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M,
326	.maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M,
327
328	.maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7,
329	.maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15,
330};
331
332static const struct pci_device_id rtl92de_pci_ids[] = {
333	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8193, rtl92de_hal_cfg)},
334	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x002B, rtl92de_hal_cfg)},
335	{},
336};
337
338MODULE_DEVICE_TABLE(pci, rtl92de_pci_ids);
339
340MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
341MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
342MODULE_AUTHOR("Larry Finger	<Larry.Finger@lwfinger.net>");
343MODULE_LICENSE("GPL");
344MODULE_DESCRIPTION("Realtek 8192DE 802.11n Dual Mac PCI wireless");
345MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
346
347module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
348module_param_named(debug_level, rtl92de_mod_params.debug_level, int, 0644);
349module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
350module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
351module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
352module_param_named(aspm, rtl92de_mod_params.aspm_support, int, 0444);
353module_param_named(debug_mask, rtl92de_mod_params.debug_mask, ullong, 0644);
354MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
355MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
356MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 1)\n");
357MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 0)\n");
358MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
359MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
360MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
361
362static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
363
364static struct pci_driver rtl92de_driver = {
365	.name = KBUILD_MODNAME,
366	.id_table = rtl92de_pci_ids,
367	.probe = rtl_pci_probe,
368	.remove = rtl_pci_disconnect,
369	.driver.pm = &rtlwifi_pm_ops,
370};
371
372/* add global spin lock to solve the problem that
373 * Dul mac register operation on the same time */
374DEFINE_SPINLOCK(globalmutex_power);
375DEFINE_SPINLOCK(globalmutex_for_fwdownload);
376DEFINE_SPINLOCK(globalmutex_for_power_and_efuse);
377
378static int __init rtl92de_module_init(void)
379{
380	int ret = 0;
381
382	ret = pci_register_driver(&rtl92de_driver);
383	if (ret)
384		WARN_ONCE(true, "rtl8192de: No device found\n");
385	return ret;
386}
387
388static void __exit rtl92de_module_exit(void)
389{
390	pci_unregister_driver(&rtl92de_driver);
391}
392
393module_init(rtl92de_module_init);
394module_exit(rtl92de_module_exit);
395