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
rtl92d_init_aspm_vars(struct ieee80211_hw * hw)19 static 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
rtl92d_init_sw_vars(struct ieee80211_hw * hw)64 static 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
rtl92d_deinit_sw_vars(struct ieee80211_hw * hw)173 static 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
186 static 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
231 static 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
241 static 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
332 static 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
338 MODULE_DEVICE_TABLE(pci, rtl92de_pci_ids);
339
340 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
341 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
342 MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>");
343 MODULE_LICENSE("GPL");
344 MODULE_DESCRIPTION("Realtek 8192DE 802.11n Dual Mac PCI wireless");
345 MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
346
347 module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
348 module_param_named(debug_level, rtl92de_mod_params.debug_level, int, 0644);
349 module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
350 module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
351 module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
352 module_param_named(aspm, rtl92de_mod_params.aspm_support, int, 0444);
353 module_param_named(debug_mask, rtl92de_mod_params.debug_mask, ullong, 0644);
354 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
355 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
356 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 1)\n");
357 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 0)\n");
358 MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
359 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
360 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
361
362 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
363
364 static 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 */
374 DEFINE_SPINLOCK(globalmutex_power);
375 DEFINE_SPINLOCK(globalmutex_for_fwdownload);
376 DEFINE_SPINLOCK(globalmutex_for_power_and_efuse);
377
rtl92de_module_init(void)378 static 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
rtl92de_module_exit(void)388 static void __exit rtl92de_module_exit(void)
389 {
390 pci_unregister_driver(&rtl92de_driver);
391 }
392
393 module_init(rtl92de_module_init);
394 module_exit(rtl92de_module_exit);
395