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 "../rtl8192c/dm_common.h"
13 #include "../rtl8192c/fw_common.h"
14 #include "../rtl8192c/phy_common.h"
15 #include "hw.h"
16 #include "rf.h"
17 #include "trx.h"
18 #include "led.h"
19 
20 #include <linux/module.h>
21 
22 static void rtl92c_init_aspm_vars(struct ieee80211_hw *hw)
23 {
24 	struct rtl_priv *rtlpriv = rtl_priv(hw);
25 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
26 
27 	/*close ASPM for AMD defaultly */
28 	rtlpci->const_amdpci_aspm = 0;
29 
30 	/*
31 	 * ASPM PS mode.
32 	 * 0 - Disable ASPM,
33 	 * 1 - Enable ASPM without Clock Req,
34 	 * 2 - Enable ASPM with Clock Req,
35 	 * 3 - Alwyas Enable ASPM with Clock Req,
36 	 * 4 - Always Enable ASPM without Clock Req.
37 	 * set defult to RTL8192CE:3 RTL8192E:2
38 	 * */
39 	rtlpci->const_pci_aspm = 3;
40 
41 	/*Setting for PCI-E device */
42 	rtlpci->const_devicepci_aspm_setting = 0x03;
43 
44 	/*Setting for PCI-E bridge */
45 	rtlpci->const_hostpci_aspm_setting = 0x02;
46 
47 	/*
48 	 * In Hw/Sw Radio Off situation.
49 	 * 0 - Default,
50 	 * 1 - From ASPM setting without low Mac Pwr,
51 	 * 2 - From ASPM setting with low Mac Pwr,
52 	 * 3 - Bus D3
53 	 * set default to RTL8192CE:0 RTL8192SE:2
54 	 */
55 	rtlpci->const_hwsw_rfoff_d3 = 0;
56 
57 	/*
58 	 * This setting works for those device with
59 	 * backdoor ASPM setting such as EPHY setting.
60 	 * 0 - Not support ASPM,
61 	 * 1 - Support ASPM,
62 	 * 2 - According to chipset.
63 	 */
64 	rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support;
65 }
66 
67 static int rtl92c_init_sw_vars(struct ieee80211_hw *hw)
68 {
69 	int err;
70 	struct rtl_priv *rtlpriv = rtl_priv(hw);
71 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
72 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
73 	char *fw_name;
74 
75 	rtl8192ce_bt_reg_init(hw);
76 
77 	rtlpriv->dm.dm_initialgain_enable = true;
78 	rtlpriv->dm.dm_flag = 0;
79 	rtlpriv->dm.disable_framebursting = false;
80 	rtlpriv->dm.thermalvalue = 0;
81 	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
82 
83 	/* compatible 5G band 88ce just 2.4G band & smsp */
84 	rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
85 	rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
86 	rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
87 
88 	rtlpci->receive_config = (RCR_APPFCS |
89 				  RCR_AMF |
90 				  RCR_ADF |
91 				  RCR_APP_MIC |
92 				  RCR_APP_ICV |
93 				  RCR_AICV |
94 				  RCR_ACRC32 |
95 				  RCR_AB |
96 				  RCR_AM |
97 				  RCR_APM |
98 				  RCR_APP_PHYST_RXFF | RCR_HTC_LOC_CTRL | 0);
99 
100 	rtlpci->irq_mask[0] =
101 	    (u32) (IMR_ROK |
102 		   IMR_VODOK |
103 		   IMR_VIDOK |
104 		   IMR_BEDOK |
105 		   IMR_BKDOK |
106 		   IMR_MGNTDOK |
107 		   IMR_HIGHDOK | IMR_BDOK | IMR_RDU | IMR_RXFOVW | 0);
108 
109 	rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD | 0);
110 
111 	/* for LPS & IPS */
112 	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
113 	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
114 	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
115 	if (!rtlpriv->psc.inactiveps)
116 		pr_info("rtl8192ce: Power Save off (module option)\n");
117 	if (!rtlpriv->psc.fwctrl_lps)
118 		pr_info("rtl8192ce: FW Power Save off (module option)\n");
119 	rtlpriv->psc.reg_fwctrl_lps = 3;
120 	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
121 	/* for ASPM, you can close aspm through
122 	 * set const_support_pciaspm = 0 */
123 	rtl92c_init_aspm_vars(hw);
124 
125 	if (rtlpriv->psc.reg_fwctrl_lps == 1)
126 		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
127 	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
128 		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
129 	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
130 		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
131 
132 	/* for firmware buf */
133 	rtlpriv->rtlhal.pfirmware = vzalloc(0x4000);
134 	if (!rtlpriv->rtlhal.pfirmware) {
135 		pr_err("Can't alloc buffer for fw\n");
136 		return 1;
137 	}
138 
139 	/* request fw */
140 	if (IS_VENDOR_UMC_A_CUT(rtlhal->version) &&
141 	    !IS_92C_SERIAL(rtlhal->version))
142 		fw_name = "rtlwifi/rtl8192cfwU.bin";
143 	else if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version))
144 		fw_name = "rtlwifi/rtl8192cfwU_B.bin";
145 	else
146 		fw_name = "rtlwifi/rtl8192cfw.bin";
147 
148 	rtlpriv->max_fw_size = 0x4000;
149 	pr_info("Using firmware %s\n", fw_name);
150 	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
151 				      rtlpriv->io.dev, GFP_KERNEL, hw,
152 				      rtl_fw_cb);
153 	if (err) {
154 		pr_err("Failed to request firmware!\n");
155 		vfree(rtlpriv->rtlhal.pfirmware);
156 		rtlpriv->rtlhal.pfirmware = NULL;
157 		return 1;
158 	}
159 
160 	return 0;
161 }
162 
163 static void rtl92c_deinit_sw_vars(struct ieee80211_hw *hw)
164 {
165 	struct rtl_priv *rtlpriv = rtl_priv(hw);
166 
167 	if (rtlpriv->rtlhal.pfirmware) {
168 		vfree(rtlpriv->rtlhal.pfirmware);
169 		rtlpriv->rtlhal.pfirmware = NULL;
170 	}
171 }
172 
173 static struct rtl_hal_ops rtl8192ce_hal_ops = {
174 	.init_sw_vars = rtl92c_init_sw_vars,
175 	.deinit_sw_vars = rtl92c_deinit_sw_vars,
176 	.read_eeprom_info = rtl92ce_read_eeprom_info,
177 	.interrupt_recognized = rtl92ce_interrupt_recognized,
178 	.hw_init = rtl92ce_hw_init,
179 	.hw_disable = rtl92ce_card_disable,
180 	.hw_suspend = rtl92ce_suspend,
181 	.hw_resume = rtl92ce_resume,
182 	.enable_interrupt = rtl92ce_enable_interrupt,
183 	.disable_interrupt = rtl92ce_disable_interrupt,
184 	.set_network_type = rtl92ce_set_network_type,
185 	.set_chk_bssid = rtl92ce_set_check_bssid,
186 	.set_qos = rtl92ce_set_qos,
187 	.set_bcn_reg = rtl92ce_set_beacon_related_registers,
188 	.set_bcn_intv = rtl92ce_set_beacon_interval,
189 	.update_interrupt_mask = rtl92ce_update_interrupt_mask,
190 	.get_hw_reg = rtl92ce_get_hw_reg,
191 	.set_hw_reg = rtl92ce_set_hw_reg,
192 	.update_rate_tbl = rtl92ce_update_hal_rate_tbl,
193 	.fill_tx_desc = rtl92ce_tx_fill_desc,
194 	.fill_tx_cmddesc = rtl92ce_tx_fill_cmddesc,
195 	.query_rx_desc = rtl92ce_rx_query_desc,
196 	.set_channel_access = rtl92ce_update_channel_access_setting,
197 	.radio_onoff_checking = rtl92ce_gpio_radio_on_off_checking,
198 	.set_bw_mode = rtl92c_phy_set_bw_mode,
199 	.switch_channel = rtl92c_phy_sw_chnl,
200 	.dm_watchdog = rtl92c_dm_watchdog,
201 	.scan_operation_backup = rtl_phy_scan_operation_backup,
202 	.set_rf_power_state = rtl92c_phy_set_rf_power_state,
203 	.led_control = rtl92ce_led_control,
204 	.set_desc = rtl92ce_set_desc,
205 	.get_desc = rtl92ce_get_desc,
206 	.is_tx_desc_closed = rtl92ce_is_tx_desc_closed,
207 	.tx_polling = rtl92ce_tx_polling,
208 	.enable_hw_sec = rtl92ce_enable_hw_security_config,
209 	.set_key = rtl92ce_set_key,
210 	.get_bbreg = rtl92c_phy_query_bb_reg,
211 	.set_bbreg = rtl92c_phy_set_bb_reg,
212 	.set_rfreg = rtl92ce_phy_set_rf_reg,
213 	.get_rfreg = rtl92c_phy_query_rf_reg,
214 	.phy_rf6052_config = rtl92ce_phy_rf6052_config,
215 	.phy_rf6052_set_cck_txpower = rtl92ce_phy_rf6052_set_cck_txpower,
216 	.phy_rf6052_set_ofdm_txpower = rtl92ce_phy_rf6052_set_ofdm_txpower,
217 	.config_bb_with_headerfile = _rtl92ce_phy_config_bb_with_headerfile,
218 	.config_bb_with_pgheaderfile = _rtl92ce_phy_config_bb_with_pgheaderfile,
219 	.phy_lc_calibrate = _rtl92ce_phy_lc_calibrate,
220 	.phy_set_bw_mode_callback = rtl92ce_phy_set_bw_mode_callback,
221 	.dm_dynamic_txpower = rtl92ce_dm_dynamic_txpower,
222 	.get_btc_status = rtl_btc_status_false,
223 };
224 
225 static struct rtl_mod_params rtl92ce_mod_params = {
226 	.sw_crypto = false,
227 	.inactiveps = true,
228 	.swctrl_lps = false,
229 	.fwctrl_lps = true,
230 	.aspm_support = 1,
231 	.debug_level = 0,
232 	.debug_mask = 0,
233 };
234 
235 static const struct rtl_hal_cfg rtl92ce_hal_cfg = {
236 	.bar_id = 2,
237 	.write_readback = true,
238 	.name = "rtl92c_pci",
239 	.ops = &rtl8192ce_hal_ops,
240 	.mod_params = &rtl92ce_mod_params,
241 
242 	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
243 	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
244 	.maps[SYS_CLK] = REG_SYS_CLKR,
245 	.maps[MAC_RCR_AM] = AM,
246 	.maps[MAC_RCR_AB] = AB,
247 	.maps[MAC_RCR_ACRC32] = ACRC32,
248 	.maps[MAC_RCR_ACF] = ACF,
249 	.maps[MAC_RCR_AAP] = AAP,
250 	.maps[MAC_HIMR] = REG_HIMR,
251 	.maps[MAC_HIMRE] = REG_HIMRE,
252 
253 	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
254 	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
255 	.maps[EFUSE_CLK] = 0,
256 	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
257 	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
258 	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
259 	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
260 	.maps[EFUSE_ANA8M] = EFUSE_ANA8M,
261 	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
262 	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
263 	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
264 	.maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
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 
329 static const struct pci_device_id rtl92ce_pci_ids[] = {
330 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8191, rtl92ce_hal_cfg)},
331 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8178, rtl92ce_hal_cfg)},
332 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8177, rtl92ce_hal_cfg)},
333 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8176, rtl92ce_hal_cfg)},
334 	{},
335 };
336 
337 MODULE_DEVICE_TABLE(pci, rtl92ce_pci_ids);
338 
339 MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
340 MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
341 MODULE_AUTHOR("Larry Finger	<Larry.Finger@lwfinger.net>");
342 MODULE_LICENSE("GPL");
343 MODULE_DESCRIPTION("Realtek 8192C/8188C 802.11n PCI wireless");
344 MODULE_FIRMWARE("rtlwifi/rtl8192cfw.bin");
345 MODULE_FIRMWARE("rtlwifi/rtl8192cfwU.bin");
346 MODULE_FIRMWARE("rtlwifi/rtl8192cfwU_B.bin");
347 
348 module_param_named(swenc, rtl92ce_mod_params.sw_crypto, bool, 0444);
349 module_param_named(debug_level, rtl92ce_mod_params.debug_level, int, 0644);
350 module_param_named(debug_mask, rtl92ce_mod_params.debug_mask, ullong, 0644);
351 module_param_named(ips, rtl92ce_mod_params.inactiveps, bool, 0444);
352 module_param_named(swlps, rtl92ce_mod_params.swctrl_lps, bool, 0444);
353 module_param_named(fwlps, rtl92ce_mod_params.fwctrl_lps, bool, 0444);
354 module_param_named(aspm, rtl92ce_mod_params.aspm_support, int, 0444);
355 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
356 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
357 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
358 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
359 MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
360 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
361 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
362 
363 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
364 
365 static struct pci_driver rtl92ce_driver = {
366 	.name = KBUILD_MODNAME,
367 	.id_table = rtl92ce_pci_ids,
368 	.probe = rtl_pci_probe,
369 	.remove = rtl_pci_disconnect,
370 	.driver.pm = &rtlwifi_pm_ops,
371 };
372 
373 module_pci_driver(rtl92ce_driver);
374