1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2013 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../core.h"
6 #include "../pci.h"
7 #include "reg.h"
8 #include "def.h"
9 #include "phy.h"
10 #include "dm.h"
11 #include "hw.h"
12 #include "trx.h"
13 #include "led.h"
14 #include "table.h"
15
16 #include <linux/vmalloc.h>
17 #include <linux/module.h>
18
rtl88e_init_aspm_vars(struct ieee80211_hw * hw)19 static void rtl88e_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 /* ASPM PS mode.
28 * 0 - Disable ASPM,
29 * 1 - Enable ASPM without Clock Req,
30 * 2 - Enable ASPM with Clock Req,
31 * 3 - Alwyas Enable ASPM with Clock Req,
32 * 4 - Always Enable ASPM without Clock Req.
33 * set defult to RTL8192CE:3 RTL8192E:2
34 */
35 rtlpci->const_pci_aspm = 3;
36
37 /*Setting for PCI-E device */
38 rtlpci->const_devicepci_aspm_setting = 0x03;
39
40 /*Setting for PCI-E bridge */
41 rtlpci->const_hostpci_aspm_setting = 0x02;
42
43 /* In Hw/Sw Radio Off situation.
44 * 0 - Default,
45 * 1 - From ASPM setting without low Mac Pwr,
46 * 2 - From ASPM setting with low Mac Pwr,
47 * 3 - Bus D3
48 * set default to RTL8192CE:0 RTL8192SE:2
49 */
50 rtlpci->const_hwsw_rfoff_d3 = 0;
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
rtl88e_init_sw_vars(struct ieee80211_hw * hw)61 static int rtl88e_init_sw_vars(struct ieee80211_hw *hw)
62 {
63 int err = 0;
64 struct rtl_priv *rtlpriv = rtl_priv(hw);
65 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
66 u8 tid;
67 char *fw_name;
68
69 rtl8188ee_bt_reg_init(hw);
70 rtlpriv->dm.dm_initialgain_enable = true;
71 rtlpriv->dm.dm_flag = 0;
72 rtlpriv->dm.disable_framebursting = false;
73 rtlpriv->dm.thermalvalue = 0;
74 rtlpci->transmit_config = CFENDFORM | BIT(15);
75
76 /* compatible 5G band 88ce just 2.4G band & smsp */
77 rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
78 rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
79 rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
80
81 rtlpci->receive_config = (RCR_APPFCS |
82 RCR_APP_MIC |
83 RCR_APP_ICV |
84 RCR_APP_PHYST_RXFF |
85 RCR_HTC_LOC_CTRL |
86 RCR_AMF |
87 RCR_ACF |
88 RCR_ADF |
89 RCR_AICV |
90 RCR_ACRC32 |
91 RCR_AB |
92 RCR_AM |
93 RCR_APM |
94 0);
95
96 rtlpci->irq_mask[0] =
97 (u32)(IMR_PSTIMEOUT |
98 IMR_HSISR_IND_ON_INT |
99 IMR_C2HCMD |
100 IMR_HIGHDOK |
101 IMR_MGNTDOK |
102 IMR_BKDOK |
103 IMR_BEDOK |
104 IMR_VIDOK |
105 IMR_VODOK |
106 IMR_RDU |
107 IMR_ROK |
108 0);
109 rtlpci->irq_mask[1] = (u32) (IMR_RXFOVW | 0);
110 rtlpci->sys_irq_mask = (u32) (HSIMR_PDN_INT_EN | HSIMR_RON_INT_EN);
111
112 /* for LPS & IPS */
113 rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
114 rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
115 rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
116 rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
117 if (rtlpriv->cfg->mod_params->disable_watchdog)
118 pr_info("watchdog disabled\n");
119 if (!rtlpriv->psc.inactiveps)
120 pr_info("rtl8188ee: Power Save off (module option)\n");
121 if (!rtlpriv->psc.fwctrl_lps)
122 pr_info("rtl8188ee: FW Power Save off (module option)\n");
123 rtlpriv->psc.reg_fwctrl_lps = 3;
124 rtlpriv->psc.reg_max_lps_awakeintvl = 5;
125 /* for ASPM, you can close aspm through
126 * set const_support_pciaspm = 0
127 */
128 rtl88e_init_aspm_vars(hw);
129
130 if (rtlpriv->psc.reg_fwctrl_lps == 1)
131 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
132 else if (rtlpriv->psc.reg_fwctrl_lps == 2)
133 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
134 else if (rtlpriv->psc.reg_fwctrl_lps == 3)
135 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
136
137 /* for firmware buf */
138 rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
139 if (!rtlpriv->rtlhal.pfirmware) {
140 pr_info("Can't alloc buffer for fw.\n");
141 return 1;
142 }
143
144 fw_name = "rtlwifi/rtl8188efw.bin";
145 rtlpriv->max_fw_size = 0x8000;
146 pr_info("Using firmware %s\n", fw_name);
147 err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
148 rtlpriv->io.dev, GFP_KERNEL, hw,
149 rtl_fw_cb);
150 if (err) {
151 pr_info("Failed to request firmware!\n");
152 vfree(rtlpriv->rtlhal.pfirmware);
153 rtlpriv->rtlhal.pfirmware = NULL;
154 return 1;
155 }
156
157 /* for early mode */
158 rtlpriv->rtlhal.earlymode_enable = false;
159 rtlpriv->rtlhal.max_earlymode_num = 10;
160 for (tid = 0; tid < 8; tid++)
161 skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
162
163 /*low power */
164 rtlpriv->psc.low_power_enable = false;
165 if (rtlpriv->psc.low_power_enable) {
166 timer_setup(&rtlpriv->works.fw_clockoff_timer,
167 rtl88ee_fw_clk_off_timer_callback, 0);
168 }
169
170 timer_setup(&rtlpriv->works.fast_antenna_training_timer,
171 rtl88e_dm_fast_antenna_training_callback, 0);
172 return err;
173 }
174
rtl88e_deinit_sw_vars(struct ieee80211_hw * hw)175 static void rtl88e_deinit_sw_vars(struct ieee80211_hw *hw)
176 {
177 struct rtl_priv *rtlpriv = rtl_priv(hw);
178
179 if (rtlpriv->rtlhal.pfirmware) {
180 vfree(rtlpriv->rtlhal.pfirmware);
181 rtlpriv->rtlhal.pfirmware = NULL;
182 }
183
184 if (rtlpriv->psc.low_power_enable)
185 del_timer_sync(&rtlpriv->works.fw_clockoff_timer);
186
187 del_timer_sync(&rtlpriv->works.fast_antenna_training_timer);
188 }
189
190 /* get bt coexist status */
rtl88e_get_btc_status(void)191 static bool rtl88e_get_btc_status(void)
192 {
193 return false;
194 }
195
196 static struct rtl_hal_ops rtl8188ee_hal_ops = {
197 .init_sw_vars = rtl88e_init_sw_vars,
198 .deinit_sw_vars = rtl88e_deinit_sw_vars,
199 .read_eeprom_info = rtl88ee_read_eeprom_info,
200 .interrupt_recognized = rtl88ee_interrupt_recognized,/*need check*/
201 .hw_init = rtl88ee_hw_init,
202 .hw_disable = rtl88ee_card_disable,
203 .hw_suspend = rtl88ee_suspend,
204 .hw_resume = rtl88ee_resume,
205 .enable_interrupt = rtl88ee_enable_interrupt,
206 .disable_interrupt = rtl88ee_disable_interrupt,
207 .set_network_type = rtl88ee_set_network_type,
208 .set_chk_bssid = rtl88ee_set_check_bssid,
209 .set_qos = rtl88ee_set_qos,
210 .set_bcn_reg = rtl88ee_set_beacon_related_registers,
211 .set_bcn_intv = rtl88ee_set_beacon_interval,
212 .update_interrupt_mask = rtl88ee_update_interrupt_mask,
213 .get_hw_reg = rtl88ee_get_hw_reg,
214 .set_hw_reg = rtl88ee_set_hw_reg,
215 .update_rate_tbl = rtl88ee_update_hal_rate_tbl,
216 .fill_tx_desc = rtl88ee_tx_fill_desc,
217 .fill_tx_cmddesc = rtl88ee_tx_fill_cmddesc,
218 .query_rx_desc = rtl88ee_rx_query_desc,
219 .set_channel_access = rtl88ee_update_channel_access_setting,
220 .radio_onoff_checking = rtl88ee_gpio_radio_on_off_checking,
221 .set_bw_mode = rtl88e_phy_set_bw_mode,
222 .switch_channel = rtl88e_phy_sw_chnl,
223 .dm_watchdog = rtl88e_dm_watchdog,
224 .scan_operation_backup = rtl88e_phy_scan_operation_backup,
225 .set_rf_power_state = rtl88e_phy_set_rf_power_state,
226 .led_control = rtl88ee_led_control,
227 .set_desc = rtl88ee_set_desc,
228 .get_desc = rtl88ee_get_desc,
229 .is_tx_desc_closed = rtl88ee_is_tx_desc_closed,
230 .tx_polling = rtl88ee_tx_polling,
231 .enable_hw_sec = rtl88ee_enable_hw_security_config,
232 .set_key = rtl88ee_set_key,
233 .get_bbreg = rtl88e_phy_query_bb_reg,
234 .set_bbreg = rtl88e_phy_set_bb_reg,
235 .get_rfreg = rtl88e_phy_query_rf_reg,
236 .set_rfreg = rtl88e_phy_set_rf_reg,
237 .get_btc_status = rtl88e_get_btc_status,
238 };
239
240 static struct rtl_mod_params rtl88ee_mod_params = {
241 .sw_crypto = false,
242 .inactiveps = true,
243 .swctrl_lps = false,
244 .fwctrl_lps = false,
245 .msi_support = true,
246 .aspm_support = 1,
247 .debug_level = 0,
248 .debug_mask = 0,
249 };
250
251 static const struct rtl_hal_cfg rtl88ee_hal_cfg = {
252 .bar_id = 2,
253 .write_readback = true,
254 .name = "rtl88e_pci",
255 .ops = &rtl8188ee_hal_ops,
256 .mod_params = &rtl88ee_mod_params,
257
258 .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
259 .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
260 .maps[SYS_CLK] = REG_SYS_CLKR,
261 .maps[MAC_RCR_AM] = AM,
262 .maps[MAC_RCR_AB] = AB,
263 .maps[MAC_RCR_ACRC32] = ACRC32,
264 .maps[MAC_RCR_ACF] = ACF,
265 .maps[MAC_RCR_AAP] = AAP,
266 .maps[MAC_HIMR] = REG_HIMR,
267 .maps[MAC_HIMRE] = REG_HIMRE,
268 .maps[MAC_HSISR] = REG_HSISR,
269
270 .maps[EFUSE_ACCESS] = REG_EFUSE_ACCESS,
271
272 .maps[EFUSE_TEST] = REG_EFUSE_TEST,
273 .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
274 .maps[EFUSE_CLK] = 0,
275 .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
276 .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
277 .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
278 .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
279 .maps[EFUSE_ANA8M] = ANA8M,
280 .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
281 .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
282 .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
283 .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
284
285 .maps[RWCAM] = REG_CAMCMD,
286 .maps[WCAMI] = REG_CAMWRITE,
287 .maps[RCAMO] = REG_CAMREAD,
288 .maps[CAMDBG] = REG_CAMDBG,
289 .maps[SECR] = REG_SECCFG,
290 .maps[SEC_CAM_NONE] = CAM_NONE,
291 .maps[SEC_CAM_WEP40] = CAM_WEP40,
292 .maps[SEC_CAM_TKIP] = CAM_TKIP,
293 .maps[SEC_CAM_AES] = CAM_AES,
294 .maps[SEC_CAM_WEP104] = CAM_WEP104,
295
296 .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
297 .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
298 .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
299 .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
300 .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
301 .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
302 /* .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8, */ /*need check*/
303 .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
304 .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
305 .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
306 .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
307 .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
308 .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
309 .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
310 /* .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,*/
311 /* .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,*/
312
313 .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
314 .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
315 .maps[RTL_IMR_BCNINT] = IMR_BCNDMAINT0,
316 .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
317 .maps[RTL_IMR_RDU] = IMR_RDU,
318 .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
319 .maps[RTL_IMR_BDOK] = IMR_BCNDOK0,
320 .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
321 .maps[RTL_IMR_TBDER] = IMR_TBDER,
322 .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
323 .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
324 .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
325 .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
326 .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
327 .maps[RTL_IMR_VODOK] = IMR_VODOK,
328 .maps[RTL_IMR_ROK] = IMR_ROK,
329 .maps[RTL_IMR_HSISR_IND] = IMR_HSISR_IND_ON_INT,
330 .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNDMAINT0 | IMR_TBDOK | IMR_TBDER),
331
332 .maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M,
333 .maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M,
334 .maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M,
335 .maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M,
336 .maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M,
337 .maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M,
338 .maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M,
339 .maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M,
340 .maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M,
341 .maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M,
342 .maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M,
343 .maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M,
344
345 .maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7,
346 .maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15,
347 };
348
349 static const struct pci_device_id rtl88ee_pci_ids[] = {
350 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8179, rtl88ee_hal_cfg)},
351 {},
352 };
353
354 MODULE_DEVICE_TABLE(pci, rtl88ee_pci_ids);
355
356 MODULE_AUTHOR("zhiyuan_yang <zhiyuan_yang@realsil.com.cn>");
357 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
358 MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>");
359 MODULE_LICENSE("GPL");
360 MODULE_DESCRIPTION("Realtek 8188E 802.11n PCI wireless");
361 MODULE_FIRMWARE("rtlwifi/rtl8188efw.bin");
362
363 module_param_named(swenc, rtl88ee_mod_params.sw_crypto, bool, 0444);
364 module_param_named(debug_level, rtl88ee_mod_params.debug_level, int, 0644);
365 module_param_named(debug_mask, rtl88ee_mod_params.debug_mask, ullong, 0644);
366 module_param_named(ips, rtl88ee_mod_params.inactiveps, bool, 0444);
367 module_param_named(swlps, rtl88ee_mod_params.swctrl_lps, bool, 0444);
368 module_param_named(fwlps, rtl88ee_mod_params.fwctrl_lps, bool, 0444);
369 module_param_named(msi, rtl88ee_mod_params.msi_support, bool, 0444);
370 module_param_named(aspm, rtl88ee_mod_params.aspm_support, int, 0444);
371 module_param_named(disable_watchdog, rtl88ee_mod_params.disable_watchdog,
372 bool, 0444);
373 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
374 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
375 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
376 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
377 MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 1)\n");
378 MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
379 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
380 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
381 MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n");
382
383 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
384
385 static struct pci_driver rtl88ee_driver = {
386 .name = KBUILD_MODNAME,
387 .id_table = rtl88ee_pci_ids,
388 .probe = rtl_pci_probe,
389 .remove = rtl_pci_disconnect,
390 .driver.pm = &rtlwifi_pm_ops,
391 };
392
393 module_pci_driver(rtl88ee_driver);
394