1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2014  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 "sw.h"
13 #include "fw.h"
14 #include "trx.h"
15 #include "led.h"
16 #include "table.h"
17 
18 #include "../btcoexist/rtl_btc.h"
19 
20 #include <linux/vmalloc.h>
21 #include <linux/module.h>
22 
23 static void rtl92ee_init_aspm_vars(struct ieee80211_hw *hw)
24 {
25 	struct rtl_priv *rtlpriv = rtl_priv(hw);
26 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
27 
28 	/*close ASPM for AMD defaultly */
29 	rtlpci->const_amdpci_aspm = 0;
30 
31 	/**
32 	 * ASPM PS mode.
33 	 * 0 - Disable ASPM,
34 	 * 1 - Enable ASPM without Clock Req,
35 	 * 2 - Enable ASPM with Clock Req,
36 	 * 3 - Alwyas Enable ASPM with Clock Req,
37 	 * 4 - Always Enable ASPM without Clock Req.
38 	 * set defult to RTL8192CE:3 RTL8192E:2
39 	 */
40 	rtlpci->const_pci_aspm = 3;
41 
42 	/*Setting for PCI-E device */
43 	rtlpci->const_devicepci_aspm_setting = 0x03;
44 
45 	/*Setting for PCI-E bridge */
46 	rtlpci->const_hostpci_aspm_setting = 0x02;
47 
48 	/**
49 	 * In Hw/Sw Radio Off situation.
50 	 * 0 - Default,
51 	 * 1 - From ASPM setting without low Mac Pwr,
52 	 * 2 - From ASPM setting with low Mac Pwr,
53 	 * 3 - Bus D3
54 	 * set default to RTL8192CE:0 RTL8192SE:2
55 	 */
56 	rtlpci->const_hwsw_rfoff_d3 = 0;
57 
58 	/**
59 	 * This setting works for those device with
60 	 * backdoor ASPM setting such as EPHY setting.
61 	 * 0 - Not support ASPM,
62 	 * 1 - Support ASPM,
63 	 * 2 - According to chipset.
64 	 */
65 	rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support;
66 }
67 
68 int rtl92ee_init_sw_vars(struct ieee80211_hw *hw)
69 {
70 	struct rtl_priv *rtlpriv = rtl_priv(hw);
71 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
72 	int err = 0;
73 	char *fw_name;
74 
75 	rtl92ee_bt_reg_init(hw);
76 	rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
77 	rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
78 
79 	rtlpriv->dm.dm_initialgain_enable = 1;
80 	rtlpriv->dm.dm_flag = 0;
81 	rtlpriv->dm.disable_framebursting = 0;
82 	rtlpci->transmit_config = CFENDFORM | BIT(15);
83 
84 	/*just 2.4G band*/
85 	rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
86 	rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
87 	rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
88 
89 	rtlpci->receive_config = (RCR_APPFCS			|
90 				  RCR_APP_MIC			|
91 				  RCR_APP_ICV			|
92 				  RCR_APP_PHYST_RXFF		|
93 				  RCR_HTC_LOC_CTRL		|
94 				  RCR_AMF			|
95 				  RCR_ACF			|
96 				  RCR_ACRC32			|
97 				  RCR_AB			|
98 				  RCR_AM			|
99 				  RCR_APM			|
100 				  0);
101 
102 	rtlpci->irq_mask[0] = (u32)(IMR_PSTIMEOUT		|
103 				     IMR_C2HCMD			|
104 				     IMR_HIGHDOK		|
105 				     IMR_MGNTDOK		|
106 				     IMR_BKDOK			|
107 				     IMR_BEDOK			|
108 				     IMR_VIDOK			|
109 				     IMR_VODOK			|
110 				     IMR_RDU			|
111 				     IMR_ROK			|
112 				     0);
113 	rtlpci->irq_mask[1] = (u32)(IMR_RXFOVW | 0);
114 
115 	/* for LPS & IPS */
116 	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
117 	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
118 	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
119 	rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
120 	if (rtlpriv->cfg->mod_params->disable_watchdog)
121 		pr_info("watchdog disabled\n");
122 	rtlpriv->psc.reg_fwctrl_lps = 3;
123 	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
124 	/* for ASPM, you can close aspm through
125 	 * set const_support_pciaspm = 0
126 	 */
127 	rtl92ee_init_aspm_vars(hw);
128 
129 	if (rtlpriv->psc.reg_fwctrl_lps == 1)
130 		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
131 	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
132 		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
133 	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
134 		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
135 
136 	/* for early mode */
137 	rtlpriv->rtlhal.earlymode_enable = false;
138 
139 	/*low power */
140 	rtlpriv->psc.low_power_enable = false;
141 
142 	/* for firmware buf */
143 	rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
144 	if (!rtlpriv->rtlhal.pfirmware) {
145 		pr_err("Can't alloc buffer for fw\n");
146 		return 1;
147 	}
148 
149 	/* request fw */
150 	fw_name = "rtlwifi/rtl8192eefw.bin";
151 
152 	rtlpriv->max_fw_size = 0x8000;
153 	pr_info("Using firmware %s\n", fw_name);
154 	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
155 				      rtlpriv->io.dev, GFP_KERNEL, hw,
156 				      rtl_fw_cb);
157 	if (err) {
158 		pr_err("Failed to request firmware!\n");
159 		vfree(rtlpriv->rtlhal.pfirmware);
160 		rtlpriv->rtlhal.pfirmware = NULL;
161 		return 1;
162 	}
163 
164 	return 0;
165 }
166 
167 void rtl92ee_deinit_sw_vars(struct ieee80211_hw *hw)
168 {
169 	struct rtl_priv *rtlpriv = rtl_priv(hw);
170 
171 	if (rtlpriv->rtlhal.pfirmware) {
172 		vfree(rtlpriv->rtlhal.pfirmware);
173 		rtlpriv->rtlhal.pfirmware = NULL;
174 	}
175 }
176 
177 /* get bt coexist status */
178 bool rtl92ee_get_btc_status(void)
179 {
180 	return true;
181 }
182 
183 static struct rtl_hal_ops rtl8192ee_hal_ops = {
184 	.init_sw_vars = rtl92ee_init_sw_vars,
185 	.deinit_sw_vars = rtl92ee_deinit_sw_vars,
186 	.read_eeprom_info = rtl92ee_read_eeprom_info,
187 	.interrupt_recognized = rtl92ee_interrupt_recognized,/*need check*/
188 	.hw_init = rtl92ee_hw_init,
189 	.hw_disable = rtl92ee_card_disable,
190 	.hw_suspend = rtl92ee_suspend,
191 	.hw_resume = rtl92ee_resume,
192 	.enable_interrupt = rtl92ee_enable_interrupt,
193 	.disable_interrupt = rtl92ee_disable_interrupt,
194 	.set_network_type = rtl92ee_set_network_type,
195 	.set_chk_bssid = rtl92ee_set_check_bssid,
196 	.set_qos = rtl92ee_set_qos,
197 	.set_bcn_reg = rtl92ee_set_beacon_related_registers,
198 	.set_bcn_intv = rtl92ee_set_beacon_interval,
199 	.update_interrupt_mask = rtl92ee_update_interrupt_mask,
200 	.get_hw_reg = rtl92ee_get_hw_reg,
201 	.set_hw_reg = rtl92ee_set_hw_reg,
202 	.update_rate_tbl = rtl92ee_update_hal_rate_tbl,
203 	.pre_fill_tx_bd_desc = rtl92ee_pre_fill_tx_bd_desc,
204 	.rx_desc_buff_remained_cnt = rtl92ee_rx_desc_buff_remained_cnt,
205 	.rx_check_dma_ok = rtl92ee_rx_check_dma_ok,
206 	.fill_tx_desc = rtl92ee_tx_fill_desc,
207 	.fill_tx_cmddesc = rtl92ee_tx_fill_cmddesc,
208 	.query_rx_desc = rtl92ee_rx_query_desc,
209 	.set_channel_access = rtl92ee_update_channel_access_setting,
210 	.radio_onoff_checking = rtl92ee_gpio_radio_on_off_checking,
211 	.set_bw_mode = rtl92ee_phy_set_bw_mode,
212 	.switch_channel = rtl92ee_phy_sw_chnl,
213 	.dm_watchdog = rtl92ee_dm_watchdog,
214 	.scan_operation_backup = rtl92ee_phy_scan_operation_backup,
215 	.set_rf_power_state = rtl92ee_phy_set_rf_power_state,
216 	.led_control = rtl92ee_led_control,
217 	.set_desc = rtl92ee_set_desc,
218 	.get_desc = rtl92ee_get_desc,
219 	.is_tx_desc_closed = rtl92ee_is_tx_desc_closed,
220 	.get_available_desc = rtl92ee_get_available_desc,
221 	.tx_polling = rtl92ee_tx_polling,
222 	.enable_hw_sec = rtl92ee_enable_hw_security_config,
223 	.set_key = rtl92ee_set_key,
224 	.init_sw_leds = rtl92ee_init_sw_leds,
225 	.get_bbreg = rtl92ee_phy_query_bb_reg,
226 	.set_bbreg = rtl92ee_phy_set_bb_reg,
227 	.get_rfreg = rtl92ee_phy_query_rf_reg,
228 	.set_rfreg = rtl92ee_phy_set_rf_reg,
229 	.fill_h2c_cmd = rtl92ee_fill_h2c_cmd,
230 	.get_btc_status = rtl92ee_get_btc_status,
231 	.c2h_ra_report_handler = rtl92ee_c2h_ra_report_handler,
232 };
233 
234 static struct rtl_mod_params rtl92ee_mod_params = {
235 	.sw_crypto = false,
236 	.inactiveps = true,
237 	.swctrl_lps = false,
238 	.fwctrl_lps = true,
239 	.msi_support = true,
240 	.dma64 = false,
241 	.aspm_support = 1,
242 	.debug_level = 0,
243 	.debug_mask = 0,
244 };
245 
246 static const struct rtl_hal_cfg rtl92ee_hal_cfg = {
247 	.bar_id = 2,
248 	.write_readback = true,
249 	.name = "rtl92ee_pci",
250 	.ops = &rtl8192ee_hal_ops,
251 	.mod_params = &rtl92ee_mod_params,
252 
253 	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
254 	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
255 	.maps[SYS_CLK] = REG_SYS_CLKR,
256 	.maps[MAC_RCR_AM] = AM,
257 	.maps[MAC_RCR_AB] = AB,
258 	.maps[MAC_RCR_ACRC32] = ACRC32,
259 	.maps[MAC_RCR_ACF] = ACF,
260 	.maps[MAC_RCR_AAP] = AAP,
261 	.maps[MAC_HIMR] = REG_HIMR,
262 	.maps[MAC_HIMRE] = REG_HIMRE,
263 
264 	.maps[EFUSE_ACCESS] = REG_EFUSE_ACCESS,
265 
266 	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
267 	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
268 	.maps[EFUSE_CLK] = 0,
269 	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
270 	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
271 	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
272 	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
273 	.maps[EFUSE_ANA8M] = ANA8M,
274 	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
275 	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
276 	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
277 	.maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
278 
279 	.maps[RWCAM] = REG_CAMCMD,
280 	.maps[WCAMI] = REG_CAMWRITE,
281 	.maps[RCAMO] = REG_CAMREAD,
282 	.maps[CAMDBG] = REG_CAMDBG,
283 	.maps[SECR] = REG_SECCFG,
284 	.maps[SEC_CAM_NONE] = CAM_NONE,
285 	.maps[SEC_CAM_WEP40] = CAM_WEP40,
286 	.maps[SEC_CAM_TKIP] = CAM_TKIP,
287 	.maps[SEC_CAM_AES] = CAM_AES,
288 	.maps[SEC_CAM_WEP104] = CAM_WEP104,
289 
290 	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
291 	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
292 	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
293 	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
294 	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
295 	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
296 	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
297 	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
298 	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
299 	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
300 	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
301 	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
302 	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
303 
304 	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
305 	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
306 	.maps[RTL_IMR_BCNINT] = IMR_BCNDMAINT0,
307 	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
308 	.maps[RTL_IMR_RDU] = IMR_RDU,
309 	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
310 	.maps[RTL_IMR_BDOK] = IMR_BCNDOK0,
311 	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
312 	.maps[RTL_IMR_TBDER] = IMR_TBDER,
313 	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
314 	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
315 	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
316 	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
317 	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
318 	.maps[RTL_IMR_VODOK] = IMR_VODOK,
319 	.maps[RTL_IMR_ROK] = IMR_ROK,
320 	.maps[RTL_IBSS_INT_MASKS] = (IMR_BCNDMAINT0 | IMR_TBDOK | IMR_TBDER),
321 
322 	.maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M,
323 	.maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M,
324 	.maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M,
325 	.maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M,
326 	.maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M,
327 	.maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M,
328 	.maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M,
329 	.maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M,
330 	.maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M,
331 	.maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M,
332 	.maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M,
333 	.maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M,
334 
335 	.maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7,
336 	.maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15,
337 };
338 
339 static const struct pci_device_id rtl92ee_pci_ids[] = {
340 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x818B, rtl92ee_hal_cfg)},
341 	{},
342 };
343 
344 MODULE_DEVICE_TABLE(pci, rtl92ee_pci_ids);
345 
346 MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
347 MODULE_AUTHOR("Larry Finger	<Larry.Finger@lwfinger.net>");
348 MODULE_LICENSE("GPL");
349 MODULE_DESCRIPTION("Realtek 8192EE 802.11n PCI wireless");
350 MODULE_FIRMWARE("rtlwifi/rtl8192eefw.bin");
351 
352 module_param_named(swenc, rtl92ee_mod_params.sw_crypto, bool, 0444);
353 module_param_named(debug_level, rtl92ee_mod_params.debug_level, int, 0644);
354 module_param_named(debug_mask, rtl92ee_mod_params.debug_mask, ullong, 0644);
355 module_param_named(ips, rtl92ee_mod_params.inactiveps, bool, 0444);
356 module_param_named(swlps, rtl92ee_mod_params.swctrl_lps, bool, 0444);
357 module_param_named(fwlps, rtl92ee_mod_params.fwctrl_lps, bool, 0444);
358 module_param_named(msi, rtl92ee_mod_params.msi_support, bool, 0444);
359 module_param_named(dma64, rtl92ee_mod_params.dma64, bool, 0444);
360 module_param_named(aspm, rtl92ee_mod_params.aspm_support, int, 0444);
361 module_param_named(disable_watchdog, rtl92ee_mod_params.disable_watchdog,
362 		   bool, 0444);
363 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
364 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
365 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
366 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
367 MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 1)\n");
368 MODULE_PARM_DESC(dma64, "Set to 1 to use DMA 64 (default 0)\n");
369 MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
370 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
371 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
372 MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n");
373 
374 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
375 
376 static struct pci_driver rtl92ee_driver = {
377 	.name = KBUILD_MODNAME,
378 	.id_table = rtl92ee_pci_ids,
379 	.probe = rtl_pci_probe,
380 	.remove = rtl_pci_disconnect,
381 	.driver.pm = &rtlwifi_pm_ops,
382 };
383 
384 module_pci_driver(rtl92ee_driver);
385