1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2014  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 "../rtl8723com/phy_common.h"
33 #include "dm.h"
34 #include "../rtl8723com/dm_common.h"
35 #include "hw.h"
36 #include "fw.h"
37 #include "../rtl8723com/fw_common.h"
38 #include "sw.h"
39 #include "trx.h"
40 #include "led.h"
41 #include "table.h"
42 #include "../btcoexist/rtl_btc.h"
43 
44 #include <linux/vmalloc.h>
45 #include <linux/module.h>
46 
47 static void rtl8723be_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 	/* ASPM PS mode.
55 	 * 0 - Disable ASPM,
56 	 * 1 - Enable ASPM without Clock Req,
57 	 * 2 - Enable ASPM with Clock Req,
58 	 * 3 - Alwyas Enable ASPM with Clock Req,
59 	 * 4 - Always Enable ASPM without Clock Req.
60 	 * set defult to RTL8192CE:3 RTL8192E:2
61 	 */
62 	rtlpci->const_pci_aspm = 3;
63 
64 	/*Setting for PCI-E device */
65 	rtlpci->const_devicepci_aspm_setting = 0x03;
66 
67 	/*Setting for PCI-E bridge */
68 	rtlpci->const_hostpci_aspm_setting = 0x02;
69 
70 	/* In Hw/Sw Radio Off situation.
71 	 * 0 - Default,
72 	 * 1 - From ASPM setting without low Mac Pwr,
73 	 * 2 - From ASPM setting with low Mac Pwr,
74 	 * 3 - Bus D3
75 	 * set default to RTL8192CE:0 RTL8192SE:2
76 	 */
77 	rtlpci->const_hwsw_rfoff_d3 = 0;
78 
79 	/* This setting works for those device with
80 	 * backdoor ASPM setting such as EPHY setting.
81 	 * 0 - Not support ASPM,
82 	 * 1 - Support ASPM,
83 	 * 2 - According to chipset.
84 	 */
85 	rtlpci->const_support_pciaspm = 1;
86 }
87 
88 int rtl8723be_init_sw_vars(struct ieee80211_hw *hw)
89 {
90 	int err = 0;
91 	struct rtl_priv *rtlpriv = rtl_priv(hw);
92 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
93 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
94 	char *fw_name = "rtlwifi/rtl8723befw_36.bin";
95 
96 	rtl8723be_bt_reg_init(hw);
97 	rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
98 
99 	rtlpriv->dm.dm_initialgain_enable = 1;
100 	rtlpriv->dm.dm_flag = 0;
101 	rtlpriv->dm.disable_framebursting = 0;
102 	rtlpriv->dm.thermalvalue = 0;
103 	rtlpci->transmit_config = CFENDFORM | BIT(15) | BIT(24) | BIT(25);
104 
105 	rtlpriv->phy.lck_inprogress = false;
106 
107 	mac->ht_enable = true;
108 
109 	/* compatible 5G band 88ce just 2.4G band & smsp */
110 	rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
111 	rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
112 	rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
113 
114 	rtlpci->receive_config = (RCR_APPFCS		|
115 				  RCR_APP_MIC		|
116 				  RCR_APP_ICV		|
117 				  RCR_APP_PHYST_RXFF	|
118 				  RCR_HTC_LOC_CTRL	|
119 				  RCR_AMF		|
120 				  RCR_ACF		|
121 				  RCR_ADF		|
122 				  RCR_AICV		|
123 				  RCR_AB		|
124 				  RCR_AM		|
125 				  RCR_APM		|
126 				  0);
127 
128 	rtlpci->irq_mask[0] = (u32) (IMR_PSTIMEOUT	|
129 				     IMR_HSISR_IND_ON_INT	|
130 				     IMR_C2HCMD		|
131 				     IMR_HIGHDOK	|
132 				     IMR_MGNTDOK	|
133 				     IMR_BKDOK		|
134 				     IMR_BEDOK		|
135 				     IMR_VIDOK		|
136 				     IMR_VODOK		|
137 				     IMR_RDU		|
138 				     IMR_ROK		|
139 				     0);
140 
141 	rtlpci->irq_mask[1] = (u32)(IMR_RXFOVW | 0);
142 
143 	rtlpci->sys_irq_mask = (u32)(HSIMR_PDN_INT_EN	|
144 				     HSIMR_RON_INT_EN	|
145 				     0);
146 
147 	/* for LPS & IPS */
148 	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
149 	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
150 	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
151 	rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
152 	rtlpriv->cfg->mod_params->sw_crypto =
153 		 rtlpriv->cfg->mod_params->sw_crypto;
154 	rtlpriv->cfg->mod_params->disable_watchdog =
155 		 rtlpriv->cfg->mod_params->disable_watchdog;
156 	if (rtlpriv->cfg->mod_params->disable_watchdog)
157 		pr_info("watchdog disabled\n");
158 	rtlpriv->psc.reg_fwctrl_lps = 2;
159 	rtlpriv->psc.reg_max_lps_awakeintvl = 2;
160 	/* for ASPM, you can close aspm through
161 	 * set const_support_pciaspm = 0
162 	 */
163 	rtl8723be_init_aspm_vars(hw);
164 
165 	if (rtlpriv->psc.reg_fwctrl_lps == 1)
166 		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
167 	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
168 		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
169 	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
170 		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
171 
172 	/*low power: Disable 32k */
173 	rtlpriv->psc.low_power_enable = false;
174 
175 	rtlpriv->rtlhal.earlymode_enable = false;
176 
177 	/* for firmware buf */
178 	rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
179 	if (!rtlpriv->rtlhal.pfirmware) {
180 		pr_err("Can't alloc buffer for fw.\n");
181 		return 1;
182 	}
183 
184 	rtlpriv->max_fw_size = 0x8000;
185 	pr_info("Using firmware %s\n", fw_name);
186 	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
187 				      rtlpriv->io.dev, GFP_KERNEL, hw,
188 				      rtl_fw_cb);
189 	if (err) {
190 		pr_err("Failed to request firmware!\n");
191 		vfree(rtlpriv->rtlhal.pfirmware);
192 		rtlpriv->rtlhal.pfirmware = NULL;
193 		return 1;
194 	}
195 	return 0;
196 }
197 
198 void rtl8723be_deinit_sw_vars(struct ieee80211_hw *hw)
199 {
200 	struct rtl_priv *rtlpriv = rtl_priv(hw);
201 
202 	if (rtlpriv->rtlhal.pfirmware) {
203 		vfree(rtlpriv->rtlhal.pfirmware);
204 		rtlpriv->rtlhal.pfirmware = NULL;
205 	}
206 }
207 
208 /* get bt coexist status */
209 bool rtl8723be_get_btc_status(void)
210 {
211 	return true;
212 }
213 
214 static bool is_fw_header(struct rtlwifi_firmware_header *hdr)
215 {
216 	return (le16_to_cpu(hdr->signature) & 0xfff0) == 0x5300;
217 }
218 
219 static struct rtl_hal_ops rtl8723be_hal_ops = {
220 	.init_sw_vars = rtl8723be_init_sw_vars,
221 	.deinit_sw_vars = rtl8723be_deinit_sw_vars,
222 	.read_eeprom_info = rtl8723be_read_eeprom_info,
223 	.interrupt_recognized = rtl8723be_interrupt_recognized,
224 	.hw_init = rtl8723be_hw_init,
225 	.hw_disable = rtl8723be_card_disable,
226 	.hw_suspend = rtl8723be_suspend,
227 	.hw_resume = rtl8723be_resume,
228 	.enable_interrupt = rtl8723be_enable_interrupt,
229 	.disable_interrupt = rtl8723be_disable_interrupt,
230 	.set_network_type = rtl8723be_set_network_type,
231 	.set_chk_bssid = rtl8723be_set_check_bssid,
232 	.set_qos = rtl8723be_set_qos,
233 	.set_bcn_reg = rtl8723be_set_beacon_related_registers,
234 	.set_bcn_intv = rtl8723be_set_beacon_interval,
235 	.update_interrupt_mask = rtl8723be_update_interrupt_mask,
236 	.get_hw_reg = rtl8723be_get_hw_reg,
237 	.set_hw_reg = rtl8723be_set_hw_reg,
238 	.update_rate_tbl = rtl8723be_update_hal_rate_tbl,
239 	.fill_tx_desc = rtl8723be_tx_fill_desc,
240 	.fill_tx_cmddesc = rtl8723be_tx_fill_cmddesc,
241 	.query_rx_desc = rtl8723be_rx_query_desc,
242 	.set_channel_access = rtl8723be_update_channel_access_setting,
243 	.radio_onoff_checking = rtl8723be_gpio_radio_on_off_checking,
244 	.set_bw_mode = rtl8723be_phy_set_bw_mode,
245 	.switch_channel = rtl8723be_phy_sw_chnl,
246 	.dm_watchdog = rtl8723be_dm_watchdog,
247 	.scan_operation_backup = rtl8723be_phy_scan_operation_backup,
248 	.set_rf_power_state = rtl8723be_phy_set_rf_power_state,
249 	.led_control = rtl8723be_led_control,
250 	.set_desc = rtl8723be_set_desc,
251 	.get_desc = rtl8723be_get_desc,
252 	.is_tx_desc_closed = rtl8723be_is_tx_desc_closed,
253 	.tx_polling = rtl8723be_tx_polling,
254 	.enable_hw_sec = rtl8723be_enable_hw_security_config,
255 	.set_key = rtl8723be_set_key,
256 	.init_sw_leds = rtl8723be_init_sw_leds,
257 	.get_bbreg = rtl8723_phy_query_bb_reg,
258 	.set_bbreg = rtl8723_phy_set_bb_reg,
259 	.get_rfreg = rtl8723be_phy_query_rf_reg,
260 	.set_rfreg = rtl8723be_phy_set_rf_reg,
261 	.fill_h2c_cmd = rtl8723be_fill_h2c_cmd,
262 	.get_btc_status = rtl8723be_get_btc_status,
263 	.rx_command_packet = rtl8723be_rx_command_packet,
264 	.is_fw_header = is_fw_header,
265 	.c2h_content_parsing = rtl8723be_c2h_content_parsing,
266 };
267 
268 static struct rtl_mod_params rtl8723be_mod_params = {
269 	.sw_crypto = false,
270 	.inactiveps = true,
271 	.swctrl_lps = false,
272 	.fwctrl_lps = true,
273 	.msi_support = false,
274 	.disable_watchdog = false,
275 	.debug_level = 0,
276 	.debug_mask = 0,
277 	.ant_sel = 0,
278 };
279 
280 static const struct rtl_hal_cfg rtl8723be_hal_cfg = {
281 	.bar_id = 2,
282 	.write_readback = true,
283 	.name = "rtl8723be_pci",
284 	.alt_fw_name = "rtlwifi/rtl8723befw.bin",
285 	.ops = &rtl8723be_hal_ops,
286 	.mod_params = &rtl8723be_mod_params,
287 	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
288 	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
289 	.maps[SYS_CLK] = REG_SYS_CLKR,
290 	.maps[MAC_RCR_AM] = AM,
291 	.maps[MAC_RCR_AB] = AB,
292 	.maps[MAC_RCR_ACRC32] = ACRC32,
293 	.maps[MAC_RCR_ACF] = ACF,
294 	.maps[MAC_RCR_AAP] = AAP,
295 	.maps[MAC_HIMR] = REG_HIMR,
296 	.maps[MAC_HIMRE] = REG_HIMRE,
297 	.maps[MAC_HSISR] = REG_HSISR,
298 
299 	.maps[EFUSE_ACCESS] = REG_EFUSE_ACCESS,
300 
301 	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
302 	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
303 	.maps[EFUSE_CLK] = 0,
304 	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
305 	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
306 	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
307 	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
308 	.maps[EFUSE_ANA8M] = ANA8M,
309 	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
310 	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
311 	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
312 	.maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
313 
314 	.maps[RWCAM] = REG_CAMCMD,
315 	.maps[WCAMI] = REG_CAMWRITE,
316 	.maps[RCAMO] = REG_CAMREAD,
317 	.maps[CAMDBG] = REG_CAMDBG,
318 	.maps[SECR] = REG_SECCFG,
319 	.maps[SEC_CAM_NONE] = CAM_NONE,
320 	.maps[SEC_CAM_WEP40] = CAM_WEP40,
321 	.maps[SEC_CAM_TKIP] = CAM_TKIP,
322 	.maps[SEC_CAM_AES] = CAM_AES,
323 	.maps[SEC_CAM_WEP104] = CAM_WEP104,
324 
325 	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
326 	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
327 	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
328 	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
329 	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
330 	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
331 /*	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,     */   /*need check*/
332 	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
333 	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
334 	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
335 	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
336 	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
337 	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
338 	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
339 /*	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,*/
340 /*	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,*/
341 
342 	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
343 	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
344 	.maps[RTL_IMR_BCNINT] = IMR_BCNDMAINT0,
345 	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
346 	.maps[RTL_IMR_RDU] = IMR_RDU,
347 	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
348 	.maps[RTL_IMR_BDOK] = IMR_BCNDOK0,
349 	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
350 	.maps[RTL_IMR_TBDER] = IMR_TBDER,
351 	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
352 	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
353 	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
354 	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
355 	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
356 	.maps[RTL_IMR_VODOK] = IMR_VODOK,
357 	.maps[RTL_IMR_ROK] = IMR_ROK,
358 	.maps[RTL_IMR_HSISR_IND] = IMR_HSISR_IND_ON_INT,
359 	.maps[RTL_IBSS_INT_MASKS] = (IMR_BCNDMAINT0 | IMR_TBDOK | IMR_TBDER),
360 
361 	.maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M,
362 	.maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M,
363 	.maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M,
364 	.maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M,
365 	.maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M,
366 	.maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M,
367 	.maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M,
368 	.maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M,
369 	.maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M,
370 	.maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M,
371 	.maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M,
372 	.maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M,
373 
374 	.maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7,
375 	.maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15,
376 };
377 
378 static const struct pci_device_id rtl8723be_pci_ids[] = {
379 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xB723, rtl8723be_hal_cfg)},
380 	{},
381 };
382 
383 MODULE_DEVICE_TABLE(pci, rtl8723be_pci_ids);
384 
385 MODULE_AUTHOR("PageHe	<page_he@realsil.com.cn>");
386 MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
387 MODULE_LICENSE("GPL");
388 MODULE_DESCRIPTION("Realtek 8723BE 802.11n PCI wireless");
389 MODULE_FIRMWARE("rtlwifi/rtl8723befw.bin");
390 MODULE_FIRMWARE("rtlwifi/rtl8723befw_36.bin");
391 
392 module_param_named(swenc, rtl8723be_mod_params.sw_crypto, bool, 0444);
393 module_param_named(debug_level, rtl8723be_mod_params.debug_level, int, 0644);
394 module_param_named(debug_mask, rtl8723be_mod_params.debug_mask, ullong, 0644);
395 module_param_named(ips, rtl8723be_mod_params.inactiveps, bool, 0444);
396 module_param_named(swlps, rtl8723be_mod_params.swctrl_lps, bool, 0444);
397 module_param_named(fwlps, rtl8723be_mod_params.fwctrl_lps, bool, 0444);
398 module_param_named(msi, rtl8723be_mod_params.msi_support, bool, 0444);
399 module_param_named(disable_watchdog, rtl8723be_mod_params.disable_watchdog,
400 		   bool, 0444);
401 module_param_named(ant_sel, rtl8723be_mod_params.ant_sel, int, 0444);
402 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
403 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
404 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
405 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
406 MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 0)\n");
407 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
408 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
409 MODULE_PARM_DESC(disable_watchdog,
410 		 "Set to 1 to disable the watchdog (default 0)\n");
411 MODULE_PARM_DESC(ant_sel, "Set to 1 or 2 to force antenna number (default 0)\n");
412 
413 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
414 
415 static struct pci_driver rtl8723be_driver = {
416 	.name = KBUILD_MODNAME,
417 	.id_table = rtl8723be_pci_ids,
418 	.probe = rtl_pci_probe,
419 	.remove = rtl_pci_disconnect,
420 	.driver.pm = &rtlwifi_pm_ops,
421 };
422 
423 module_pci_driver(rtl8723be_driver);
424