1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2012  Realtek Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * The full GNU General Public License is included in this distribution in the
15  * file called LICENSE.
16  *
17  * Contact Information:
18  * wlanfae <wlanfae@realtek.com>
19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20  * Hsinchu 300, Taiwan.
21  *
22  * Larry Finger <Larry.Finger@lwfinger.net>
23  *
24  *****************************************************************************/
25 
26 #include "../wifi.h"
27 #include "../core.h"
28 #include "../pci.h"
29 #include "reg.h"
30 #include "def.h"
31 #include "phy.h"
32 #include "dm.h"
33 #include "fw.h"
34 #include "../rtl8723com/fw_common.h"
35 #include "hw.h"
36 #include "sw.h"
37 #include "trx.h"
38 #include "led.h"
39 #include "table.h"
40 #include "hal_btc.h"
41 #include "../btcoexist/rtl_btc.h"
42 #include "../rtl8723com/phy_common.h"
43 
44 #include <linux/vmalloc.h>
45 #include <linux/module.h>
46 
47 static void rtl8723e_init_aspm_vars(struct ieee80211_hw *hw)
48 {
49 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
50 
51 	/*close ASPM for AMD defaultly */
52 	rtlpci->const_amdpci_aspm = 0;
53 
54 	/**
55 	 * ASPM PS mode.
56 	 * 0 - Disable ASPM,
57 	 * 1 - Enable ASPM without Clock Req,
58 	 * 2 - Enable ASPM with Clock Req,
59 	 * 3 - Alwyas Enable ASPM with Clock Req,
60 	 * 4 - Always Enable ASPM without Clock Req.
61 	 * set defult to RTL8192CE:3 RTL8192E:2
62 	 */
63 	rtlpci->const_pci_aspm = 3;
64 
65 	/*Setting for PCI-E device */
66 	rtlpci->const_devicepci_aspm_setting = 0x03;
67 
68 	/*Setting for PCI-E bridge */
69 	rtlpci->const_hostpci_aspm_setting = 0x02;
70 
71 	/**
72 	 * In Hw/Sw Radio Off situation.
73 	 * 0 - Default,
74 	 * 1 - From ASPM setting without low Mac Pwr,
75 	 * 2 - From ASPM setting with low Mac Pwr,
76 	 * 3 - Bus D3
77 	 * set default to RTL8192CE:0 RTL8192SE:2
78 	 */
79 	rtlpci->const_hwsw_rfoff_d3 = 0;
80 
81 	/**
82 	 * This setting works for those device with
83 	 * backdoor ASPM setting such as EPHY setting.
84 	 * 0 - Not support ASPM,
85 	 * 1 - Support ASPM,
86 	 * 2 - According to chipset.
87 	 */
88 	rtlpci->const_support_pciaspm = 1;
89 }
90 
91 int rtl8723e_init_sw_vars(struct ieee80211_hw *hw)
92 {
93 	struct rtl_priv *rtlpriv = rtl_priv(hw);
94 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
95 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
96 	int err = 0;
97 
98 	rtl8723e_bt_reg_init(hw);
99 
100 	rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
101 
102 	rtlpriv->dm.dm_initialgain_enable = 1;
103 	rtlpriv->dm.dm_flag = 0;
104 	rtlpriv->dm.disable_framebursting = 0;
105 	rtlpriv->dm.thermalvalue = 0;
106 	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
107 
108 	/* compatible 5G band 88ce just 2.4G band & smsp */
109 	rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
110 	rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
111 	rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
112 
113 	rtlpci->receive_config = (RCR_APPFCS |
114 				  RCR_APP_MIC |
115 				  RCR_APP_ICV |
116 				  RCR_APP_PHYST_RXFF |
117 				  RCR_HTC_LOC_CTRL |
118 				  RCR_AMF |
119 				  RCR_ACF |
120 				  RCR_ADF |
121 				  RCR_AICV |
122 				  RCR_AB |
123 				  RCR_AM |
124 				  RCR_APM |
125 				  0);
126 
127 	rtlpci->irq_mask[0] =
128 	    (u32) (PHIMR_ROK |
129 		   PHIMR_RDU |
130 		   PHIMR_VODOK |
131 		   PHIMR_VIDOK |
132 		   PHIMR_BEDOK |
133 		   PHIMR_BKDOK |
134 		   PHIMR_MGNTDOK |
135 		   PHIMR_HIGHDOK |
136 		   PHIMR_C2HCMD |
137 		   PHIMR_HISRE_IND |
138 		   PHIMR_TSF_BIT32_TOGGLE |
139 		   PHIMR_TXBCNOK |
140 		   PHIMR_PSTIMEOUT |
141 		   0);
142 
143 	rtlpci->irq_mask[1]	=
144 		 (u32)(PHIMR_RXFOVW |
145 				0);
146 
147 	/* for debug level */
148 	rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
149 	/* for LPS & IPS */
150 	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
151 	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
152 	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
153 	if (rtlpriv->cfg->mod_params->disable_watchdog)
154 		pr_info("watchdog disabled\n");
155 	rtlpriv->psc.reg_fwctrl_lps = 3;
156 	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
157 	rtl8723e_init_aspm_vars(hw);
158 
159 	if (rtlpriv->psc.reg_fwctrl_lps == 1)
160 		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
161 	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
162 		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
163 	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
164 		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
165 
166 	/* for firmware buf */
167 	rtlpriv->rtlhal.pfirmware = vzalloc(0x6000);
168 	if (!rtlpriv->rtlhal.pfirmware) {
169 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
170 			 "Can't alloc buffer for fw.\n");
171 		return 1;
172 	}
173 
174 	if (IS_VENDOR_8723_A_CUT(rtlhal->version))
175 		rtlpriv->cfg->fw_name = "rtlwifi/rtl8723fw.bin";
176 	else if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version))
177 		rtlpriv->cfg->fw_name = "rtlwifi/rtl8723fw_B.bin";
178 
179 	rtlpriv->max_fw_size = 0x6000;
180 	pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);
181 	err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
182 				      rtlpriv->io.dev, GFP_KERNEL, hw,
183 				      rtl_fw_cb);
184 	if (err) {
185 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
186 			 "Failed to request firmware!\n");
187 		return 1;
188 	}
189 	return 0;
190 }
191 
192 void rtl8723e_deinit_sw_vars(struct ieee80211_hw *hw)
193 {
194 	struct rtl_priv *rtlpriv = rtl_priv(hw);
195 
196 	if (rtlpriv->rtlhal.pfirmware) {
197 		vfree(rtlpriv->rtlhal.pfirmware);
198 		rtlpriv->rtlhal.pfirmware = NULL;
199 	}
200 }
201 
202 /* get bt coexist status */
203 bool rtl8723e_get_btc_status(void)
204 {
205 	return true;
206 }
207 
208 static bool is_fw_header(struct rtlwifi_firmware_header *hdr)
209 {
210 	return (le16_to_cpu(hdr->signature) & 0xfff0) == 0x2300;
211 }
212 
213 static struct rtl_hal_ops rtl8723e_hal_ops = {
214 	.init_sw_vars = rtl8723e_init_sw_vars,
215 	.deinit_sw_vars = rtl8723e_deinit_sw_vars,
216 	.read_eeprom_info = rtl8723e_read_eeprom_info,
217 	.interrupt_recognized = rtl8723e_interrupt_recognized,
218 	.hw_init = rtl8723e_hw_init,
219 	.hw_disable = rtl8723e_card_disable,
220 	.hw_suspend = rtl8723e_suspend,
221 	.hw_resume = rtl8723e_resume,
222 	.enable_interrupt = rtl8723e_enable_interrupt,
223 	.disable_interrupt = rtl8723e_disable_interrupt,
224 	.set_network_type = rtl8723e_set_network_type,
225 	.set_chk_bssid = rtl8723e_set_check_bssid,
226 	.set_qos = rtl8723e_set_qos,
227 	.set_bcn_reg = rtl8723e_set_beacon_related_registers,
228 	.set_bcn_intv = rtl8723e_set_beacon_interval,
229 	.update_interrupt_mask = rtl8723e_update_interrupt_mask,
230 	.get_hw_reg = rtl8723e_get_hw_reg,
231 	.set_hw_reg = rtl8723e_set_hw_reg,
232 	.update_rate_tbl = rtl8723e_update_hal_rate_tbl,
233 	.fill_tx_desc = rtl8723e_tx_fill_desc,
234 	.fill_tx_cmddesc = rtl8723e_tx_fill_cmddesc,
235 	.query_rx_desc = rtl8723e_rx_query_desc,
236 	.set_channel_access = rtl8723e_update_channel_access_setting,
237 	.radio_onoff_checking = rtl8723e_gpio_radio_on_off_checking,
238 	.set_bw_mode = rtl8723e_phy_set_bw_mode,
239 	.switch_channel = rtl8723e_phy_sw_chnl,
240 	.dm_watchdog = rtl8723e_dm_watchdog,
241 	.scan_operation_backup = rtl8723e_phy_scan_operation_backup,
242 	.set_rf_power_state = rtl8723e_phy_set_rf_power_state,
243 	.led_control = rtl8723e_led_control,
244 	.set_desc = rtl8723e_set_desc,
245 	.get_desc = rtl8723e_get_desc,
246 	.is_tx_desc_closed = rtl8723e_is_tx_desc_closed,
247 	.tx_polling = rtl8723e_tx_polling,
248 	.enable_hw_sec = rtl8723e_enable_hw_security_config,
249 	.set_key = rtl8723e_set_key,
250 	.init_sw_leds = rtl8723e_init_sw_leds,
251 	.get_bbreg = rtl8723_phy_query_bb_reg,
252 	.set_bbreg = rtl8723_phy_set_bb_reg,
253 	.get_rfreg = rtl8723e_phy_query_rf_reg,
254 	.set_rfreg = rtl8723e_phy_set_rf_reg,
255 	.c2h_command_handle = rtl_8723e_c2h_command_handle,
256 	.bt_wifi_media_status_notify = rtl_8723e_bt_wifi_media_status_notify,
257 	.bt_coex_off_before_lps =
258 		rtl8723e_dm_bt_turn_off_bt_coexist_before_enter_lps,
259 	.get_btc_status = rtl8723e_get_btc_status,
260 	.rx_command_packet = rtl8723e_rx_command_packet,
261 	.is_fw_header = is_fw_header,
262 };
263 
264 static struct rtl_mod_params rtl8723e_mod_params = {
265 	.sw_crypto = false,
266 	.inactiveps = true,
267 	.swctrl_lps = false,
268 	.fwctrl_lps = true,
269 	.debug = DBG_EMERG,
270 };
271 
272 static struct rtl_hal_cfg rtl8723e_hal_cfg = {
273 	.bar_id = 2,
274 	.write_readback = true,
275 	.name = "rtl8723e_pci",
276 	.fw_name = "rtlwifi/rtl8723efw.bin",
277 	.ops = &rtl8723e_hal_ops,
278 	.mod_params = &rtl8723e_mod_params,
279 	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
280 	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
281 	.maps[SYS_CLK] = REG_SYS_CLKR,
282 	.maps[MAC_RCR_AM] = AM,
283 	.maps[MAC_RCR_AB] = AB,
284 	.maps[MAC_RCR_ACRC32] = ACRC32,
285 	.maps[MAC_RCR_ACF] = ACF,
286 	.maps[MAC_RCR_AAP] = AAP,
287 	.maps[MAC_HIMR] = REG_HIMR,
288 	.maps[MAC_HIMRE] = REG_HIMRE,
289 	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
290 	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
291 	.maps[EFUSE_CLK] = 0,
292 	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
293 	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
294 	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
295 	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
296 	.maps[EFUSE_ANA8M] = ANA8M,
297 	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
298 	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
299 	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
300 	.maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
301 
302 	.maps[RWCAM] = REG_CAMCMD,
303 	.maps[WCAMI] = REG_CAMWRITE,
304 	.maps[RCAMO] = REG_CAMREAD,
305 	.maps[CAMDBG] = REG_CAMDBG,
306 	.maps[SECR] = REG_SECCFG,
307 	.maps[SEC_CAM_NONE] = CAM_NONE,
308 	.maps[SEC_CAM_WEP40] = CAM_WEP40,
309 	.maps[SEC_CAM_TKIP] = CAM_TKIP,
310 	.maps[SEC_CAM_AES] = CAM_AES,
311 	.maps[SEC_CAM_WEP104] = CAM_WEP104,
312 
313 	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
314 	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
315 	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
316 	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
317 	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
318 	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
319 	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
320 	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
321 	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
322 	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
323 	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
324 	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
325 	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
326 	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
327 	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
328 	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
329 
330 	.maps[RTL_IMR_TXFOVW] = PHIMR_TXFOVW,
331 	.maps[RTL_IMR_PSTIMEOUT] = PHIMR_PSTIMEOUT,
332 	.maps[RTL_IMR_BCNINT] = PHIMR_BCNDMAINT0,
333 	.maps[RTL_IMR_RXFOVW] = PHIMR_RXFOVW,
334 	.maps[RTL_IMR_RDU] = PHIMR_RDU,
335 	.maps[RTL_IMR_ATIMEND] = PHIMR_ATIMEND_E,
336 	.maps[RTL_IMR_BDOK] = PHIMR_BCNDOK0,
337 	.maps[RTL_IMR_MGNTDOK] = PHIMR_MGNTDOK,
338 	.maps[RTL_IMR_TBDER] = PHIMR_TXBCNERR,
339 	.maps[RTL_IMR_HIGHDOK] = PHIMR_HIGHDOK,
340 	.maps[RTL_IMR_TBDOK] = PHIMR_TXBCNOK,
341 	.maps[RTL_IMR_BKDOK] = PHIMR_BKDOK,
342 	.maps[RTL_IMR_BEDOK] = PHIMR_BEDOK,
343 	.maps[RTL_IMR_VIDOK] = PHIMR_VIDOK,
344 	.maps[RTL_IMR_VODOK] = PHIMR_VODOK,
345 	.maps[RTL_IMR_ROK] = PHIMR_ROK,
346 	.maps[RTL_IBSS_INT_MASKS] =
347 		(PHIMR_BCNDMAINT0 | PHIMR_TXBCNOK | PHIMR_TXBCNERR),
348 	.maps[RTL_IMR_C2HCMD] = PHIMR_C2HCMD,
349 
350 
351 	.maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M,
352 	.maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M,
353 	.maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M,
354 	.maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M,
355 	.maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M,
356 	.maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M,
357 	.maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M,
358 	.maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M,
359 	.maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M,
360 	.maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M,
361 	.maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M,
362 	.maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M,
363 
364 	.maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7,
365 	.maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15,
366 };
367 
368 static struct pci_device_id rtl8723e_pci_ids[] = {
369 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8723, rtl8723e_hal_cfg)},
370 	{},
371 };
372 
373 MODULE_DEVICE_TABLE(pci, rtl8723e_pci_ids);
374 
375 MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
376 MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
377 MODULE_LICENSE("GPL");
378 MODULE_DESCRIPTION("Realtek 8723E 802.11n PCI wireless");
379 MODULE_FIRMWARE("rtlwifi/rtl8723efw.bin");
380 
381 module_param_named(swenc, rtl8723e_mod_params.sw_crypto, bool, 0444);
382 module_param_named(debug, rtl8723e_mod_params.debug, int, 0444);
383 module_param_named(ips, rtl8723e_mod_params.inactiveps, bool, 0444);
384 module_param_named(swlps, rtl8723e_mod_params.swctrl_lps, bool, 0444);
385 module_param_named(fwlps, rtl8723e_mod_params.fwctrl_lps, bool, 0444);
386 module_param_named(disable_watchdog, rtl8723e_mod_params.disable_watchdog,
387 		   bool, 0444);
388 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
389 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
390 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
391 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
392 MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
393 MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n");
394 
395 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
396 
397 static struct pci_driver rtl8723e_driver = {
398 	.name = KBUILD_MODNAME,
399 	.id_table = rtl8723e_pci_ids,
400 	.probe = rtl_pci_probe,
401 	.remove = rtl_pci_disconnect,
402 	.driver.pm = &rtlwifi_pm_ops,
403 };
404 
405 module_pci_driver(rtl8723e_driver);
406