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 "reg.h"
8 #include "def.h"
9 #include "phy.h"
10 #include "dm.h"
11 #include "fw.h"
12 #include "../rtl8723com/fw_common.h"
13 #include "hw.h"
14 #include "trx.h"
15 #include "led.h"
16 #include "table.h"
17 #include "hal_btc.h"
18 #include "../btcoexist/rtl_btc.h"
19 #include "../rtl8723com/phy_common.h"
20 
21 #include <linux/vmalloc.h>
22 #include <linux/module.h>
23 
rtl8723e_init_aspm_vars(struct ieee80211_hw * hw)24 static void rtl8723e_init_aspm_vars(struct ieee80211_hw *hw)
25 {
26 	struct rtl_priv *rtlpriv = rtl_priv(hw);
27 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
28 
29 	/*close ASPM for AMD defaultly */
30 	rtlpci->const_amdpci_aspm = 0;
31 
32 	/**
33 	 * ASPM PS mode.
34 	 * 0 - Disable ASPM,
35 	 * 1 - Enable ASPM without Clock Req,
36 	 * 2 - Enable ASPM with Clock Req,
37 	 * 3 - Alwyas Enable ASPM with Clock Req,
38 	 * 4 - Always Enable ASPM without Clock Req.
39 	 * set defult to RTL8192CE:3 RTL8192E:2
40 	 */
41 	rtlpci->const_pci_aspm = 3;
42 
43 	/*Setting for PCI-E device */
44 	rtlpci->const_devicepci_aspm_setting = 0x03;
45 
46 	/*Setting for PCI-E bridge */
47 	rtlpci->const_hostpci_aspm_setting = 0x02;
48 
49 	/**
50 	 * In Hw/Sw Radio Off situation.
51 	 * 0 - Default,
52 	 * 1 - From ASPM setting without low Mac Pwr,
53 	 * 2 - From ASPM setting with low Mac Pwr,
54 	 * 3 - Bus D3
55 	 * set default to RTL8192CE:0 RTL8192SE:2
56 	 */
57 	rtlpci->const_hwsw_rfoff_d3 = 0;
58 
59 	/**
60 	 * This setting works for those device with
61 	 * backdoor ASPM setting such as EPHY setting.
62 	 * 0 - Not support ASPM,
63 	 * 1 - Support ASPM,
64 	 * 2 - According to chipset.
65 	 */
66 	rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support;
67 }
68 
rtl8723e_init_sw_vars(struct ieee80211_hw * hw)69 static int rtl8723e_init_sw_vars(struct ieee80211_hw *hw)
70 {
71 	struct rtl_priv *rtlpriv = rtl_priv(hw);
72 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
73 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
74 	int err = 0;
75 	char *fw_name = "rtlwifi/rtl8723fw.bin";
76 
77 	rtl8723e_bt_reg_init(hw);
78 
79 	rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
80 
81 	rtlpriv->dm.dm_initialgain_enable = true;
82 	rtlpriv->dm.dm_flag = 0;
83 	rtlpriv->dm.disable_framebursting = false;
84 	rtlpriv->dm.thermalvalue = 0;
85 	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
86 
87 	/* compatible 5G band 88ce just 2.4G band & smsp */
88 	rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
89 	rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
90 	rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
91 
92 	rtlpci->receive_config = (RCR_APPFCS |
93 				  RCR_APP_MIC |
94 				  RCR_APP_ICV |
95 				  RCR_APP_PHYST_RXFF |
96 				  RCR_HTC_LOC_CTRL |
97 				  RCR_AMF |
98 				  RCR_ACF |
99 				  RCR_ADF |
100 				  RCR_AICV |
101 				  RCR_AB |
102 				  RCR_AM |
103 				  RCR_APM |
104 				  0);
105 
106 	rtlpci->irq_mask[0] =
107 	    (u32) (PHIMR_ROK |
108 		   PHIMR_RDU |
109 		   PHIMR_VODOK |
110 		   PHIMR_VIDOK |
111 		   PHIMR_BEDOK |
112 		   PHIMR_BKDOK |
113 		   PHIMR_MGNTDOK |
114 		   PHIMR_HIGHDOK |
115 		   PHIMR_C2HCMD |
116 		   PHIMR_HISRE_IND |
117 		   PHIMR_TSF_BIT32_TOGGLE |
118 		   PHIMR_TXBCNOK |
119 		   PHIMR_PSTIMEOUT |
120 		   0);
121 
122 	rtlpci->irq_mask[1]	=
123 		 (u32)(PHIMR_RXFOVW |
124 				0);
125 
126 	/* for LPS & IPS */
127 	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
128 	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
129 	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
130 	rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
131 	if (rtlpriv->cfg->mod_params->disable_watchdog)
132 		pr_info("watchdog disabled\n");
133 	rtlpriv->psc.reg_fwctrl_lps = 3;
134 	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
135 	rtl8723e_init_aspm_vars(hw);
136 
137 	if (rtlpriv->psc.reg_fwctrl_lps == 1)
138 		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
139 	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
140 		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
141 	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
142 		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
143 
144 	/* for firmware buf */
145 	rtlpriv->rtlhal.pfirmware = vzalloc(0x6000);
146 	if (!rtlpriv->rtlhal.pfirmware) {
147 		pr_err("Can't alloc buffer for fw.\n");
148 		return 1;
149 	}
150 
151 	if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version))
152 		fw_name = "rtlwifi/rtl8723fw_B.bin";
153 
154 	rtlpriv->max_fw_size = 0x6000;
155 	pr_info("Using firmware %s\n", fw_name);
156 	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
157 				      rtlpriv->io.dev, GFP_KERNEL, hw,
158 				      rtl_fw_cb);
159 	if (err) {
160 		pr_err("Failed to request firmware!\n");
161 		vfree(rtlpriv->rtlhal.pfirmware);
162 		rtlpriv->rtlhal.pfirmware = NULL;
163 		return 1;
164 	}
165 	return 0;
166 }
167 
rtl8723e_deinit_sw_vars(struct ieee80211_hw * hw)168 static void rtl8723e_deinit_sw_vars(struct ieee80211_hw *hw)
169 {
170 	struct rtl_priv *rtlpriv = rtl_priv(hw);
171 
172 	if (rtlpriv->rtlhal.pfirmware) {
173 		vfree(rtlpriv->rtlhal.pfirmware);
174 		rtlpriv->rtlhal.pfirmware = NULL;
175 	}
176 }
177 
178 /* get bt coexist status */
rtl8723e_get_btc_status(void)179 static bool rtl8723e_get_btc_status(void)
180 {
181 	return true;
182 }
183 
is_fw_header(struct rtlwifi_firmware_header * hdr)184 static bool is_fw_header(struct rtlwifi_firmware_header *hdr)
185 {
186 	return (le16_to_cpu(hdr->signature) & 0xfff0) == 0x2300;
187 }
188 
189 static struct rtl_hal_ops rtl8723e_hal_ops = {
190 	.init_sw_vars = rtl8723e_init_sw_vars,
191 	.deinit_sw_vars = rtl8723e_deinit_sw_vars,
192 	.read_eeprom_info = rtl8723e_read_eeprom_info,
193 	.interrupt_recognized = rtl8723e_interrupt_recognized,
194 	.hw_init = rtl8723e_hw_init,
195 	.hw_disable = rtl8723e_card_disable,
196 	.hw_suspend = rtl8723e_suspend,
197 	.hw_resume = rtl8723e_resume,
198 	.enable_interrupt = rtl8723e_enable_interrupt,
199 	.disable_interrupt = rtl8723e_disable_interrupt,
200 	.set_network_type = rtl8723e_set_network_type,
201 	.set_chk_bssid = rtl8723e_set_check_bssid,
202 	.set_qos = rtl8723e_set_qos,
203 	.set_bcn_reg = rtl8723e_set_beacon_related_registers,
204 	.set_bcn_intv = rtl8723e_set_beacon_interval,
205 	.update_interrupt_mask = rtl8723e_update_interrupt_mask,
206 	.get_hw_reg = rtl8723e_get_hw_reg,
207 	.set_hw_reg = rtl8723e_set_hw_reg,
208 	.update_rate_tbl = rtl8723e_update_hal_rate_tbl,
209 	.fill_tx_desc = rtl8723e_tx_fill_desc,
210 	.fill_tx_cmddesc = rtl8723e_tx_fill_cmddesc,
211 	.query_rx_desc = rtl8723e_rx_query_desc,
212 	.set_channel_access = rtl8723e_update_channel_access_setting,
213 	.radio_onoff_checking = rtl8723e_gpio_radio_on_off_checking,
214 	.set_bw_mode = rtl8723e_phy_set_bw_mode,
215 	.switch_channel = rtl8723e_phy_sw_chnl,
216 	.dm_watchdog = rtl8723e_dm_watchdog,
217 	.scan_operation_backup = rtl8723e_phy_scan_operation_backup,
218 	.set_rf_power_state = rtl8723e_phy_set_rf_power_state,
219 	.led_control = rtl8723e_led_control,
220 	.set_desc = rtl8723e_set_desc,
221 	.get_desc = rtl8723e_get_desc,
222 	.is_tx_desc_closed = rtl8723e_is_tx_desc_closed,
223 	.tx_polling = rtl8723e_tx_polling,
224 	.enable_hw_sec = rtl8723e_enable_hw_security_config,
225 	.set_key = rtl8723e_set_key,
226 	.get_bbreg = rtl8723_phy_query_bb_reg,
227 	.set_bbreg = rtl8723_phy_set_bb_reg,
228 	.get_rfreg = rtl8723e_phy_query_rf_reg,
229 	.set_rfreg = rtl8723e_phy_set_rf_reg,
230 	.c2h_command_handle = rtl_8723e_c2h_command_handle,
231 	.bt_wifi_media_status_notify = rtl_8723e_bt_wifi_media_status_notify,
232 	.bt_coex_off_before_lps =
233 		rtl8723e_dm_bt_turn_off_bt_coexist_before_enter_lps,
234 	.get_btc_status = rtl8723e_get_btc_status,
235 	.is_fw_header = is_fw_header,
236 };
237 
238 static struct rtl_mod_params rtl8723e_mod_params = {
239 	.sw_crypto = false,
240 	.inactiveps = true,
241 	.swctrl_lps = true,
242 	.fwctrl_lps = false,
243 	.aspm_support = 1,
244 	.debug_level = 0,
245 	.debug_mask = 0,
246 	.msi_support = false,
247 	.disable_watchdog = false,
248 };
249 
250 static const struct rtl_hal_cfg rtl8723e_hal_cfg = {
251 	.bar_id = 2,
252 	.write_readback = true,
253 	.name = "rtl8723e_pci",
254 	.ops = &rtl8723e_hal_ops,
255 	.mod_params = &rtl8723e_mod_params,
256 	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
257 	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
258 	.maps[SYS_CLK] = REG_SYS_CLKR,
259 	.maps[MAC_RCR_AM] = AM,
260 	.maps[MAC_RCR_AB] = AB,
261 	.maps[MAC_RCR_ACRC32] = ACRC32,
262 	.maps[MAC_RCR_ACF] = ACF,
263 	.maps[MAC_RCR_AAP] = AAP,
264 	.maps[MAC_HIMR] = REG_HIMR,
265 	.maps[MAC_HIMRE] = REG_HIMRE,
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_BCNDOK8] = IMR_BCNDOK8,
297 	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
298 	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
299 	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
300 	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
301 	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
302 	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
303 	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
304 	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
305 	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
306 
307 	.maps[RTL_IMR_TXFOVW] = PHIMR_TXFOVW,
308 	.maps[RTL_IMR_PSTIMEOUT] = PHIMR_PSTIMEOUT,
309 	.maps[RTL_IMR_BCNINT] = PHIMR_BCNDMAINT0,
310 	.maps[RTL_IMR_RXFOVW] = PHIMR_RXFOVW,
311 	.maps[RTL_IMR_RDU] = PHIMR_RDU,
312 	.maps[RTL_IMR_ATIMEND] = PHIMR_ATIMEND_E,
313 	.maps[RTL_IMR_BDOK] = PHIMR_BCNDOK0,
314 	.maps[RTL_IMR_MGNTDOK] = PHIMR_MGNTDOK,
315 	.maps[RTL_IMR_TBDER] = PHIMR_TXBCNERR,
316 	.maps[RTL_IMR_HIGHDOK] = PHIMR_HIGHDOK,
317 	.maps[RTL_IMR_TBDOK] = PHIMR_TXBCNOK,
318 	.maps[RTL_IMR_BKDOK] = PHIMR_BKDOK,
319 	.maps[RTL_IMR_BEDOK] = PHIMR_BEDOK,
320 	.maps[RTL_IMR_VIDOK] = PHIMR_VIDOK,
321 	.maps[RTL_IMR_VODOK] = PHIMR_VODOK,
322 	.maps[RTL_IMR_ROK] = PHIMR_ROK,
323 	.maps[RTL_IBSS_INT_MASKS] =
324 		(PHIMR_BCNDMAINT0 | PHIMR_TXBCNOK | PHIMR_TXBCNERR),
325 	.maps[RTL_IMR_C2HCMD] = PHIMR_C2HCMD,
326 
327 
328 	.maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M,
329 	.maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M,
330 	.maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M,
331 	.maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M,
332 	.maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M,
333 	.maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M,
334 	.maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M,
335 	.maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M,
336 	.maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M,
337 	.maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M,
338 	.maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M,
339 	.maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M,
340 
341 	.maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7,
342 	.maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15,
343 };
344 
345 static const struct pci_device_id rtl8723e_pci_ids[] = {
346 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8723, rtl8723e_hal_cfg)},
347 	{},
348 };
349 
350 MODULE_DEVICE_TABLE(pci, rtl8723e_pci_ids);
351 
352 MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
353 MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
354 MODULE_LICENSE("GPL");
355 MODULE_DESCRIPTION("Realtek 8723E 802.11n PCI wireless");
356 MODULE_FIRMWARE("rtlwifi/rtl8723efw.bin");
357 
358 module_param_named(swenc, rtl8723e_mod_params.sw_crypto, bool, 0444);
359 module_param_named(debug_level, rtl8723e_mod_params.debug_level, int, 0644);
360 module_param_named(debug_mask, rtl8723e_mod_params.debug_mask, ullong, 0644);
361 module_param_named(ips, rtl8723e_mod_params.inactiveps, bool, 0444);
362 module_param_named(swlps, rtl8723e_mod_params.swctrl_lps, bool, 0444);
363 module_param_named(fwlps, rtl8723e_mod_params.fwctrl_lps, bool, 0444);
364 module_param_named(msi, rtl8723e_mod_params.msi_support, bool, 0444);
365 module_param_named(aspm, rtl8723e_mod_params.aspm_support, int, 0444);
366 module_param_named(disable_watchdog, rtl8723e_mod_params.disable_watchdog,
367 		   bool, 0444);
368 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
369 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
370 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 1)\n");
371 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 0)\n");
372 MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 0)\n");
373 MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
374 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
375 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
376 MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n");
377 
378 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
379 
380 static struct pci_driver rtl8723e_driver = {
381 	.name = KBUILD_MODNAME,
382 	.id_table = rtl8723e_pci_ids,
383 	.probe = rtl_pci_probe,
384 	.remove = rtl_pci_disconnect,
385 	.driver.pm = &rtlwifi_pm_ops,
386 };
387 
388 module_pci_driver(rtl8723e_driver);
389