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_priv *rtlpriv = rtl_priv(hw);
50 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
51 
52 	/*close ASPM for AMD defaultly */
53 	rtlpci->const_amdpci_aspm = 0;
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 	/* In Hw/Sw Radio Off situation.
72 	 * 0 - Default,
73 	 * 1 - From ASPM setting without low Mac Pwr,
74 	 * 2 - From ASPM setting with low Mac Pwr,
75 	 * 3 - Bus D3
76 	 * set default to RTL8192CE:0 RTL8192SE:2
77 	 */
78 	rtlpci->const_hwsw_rfoff_d3 = 0;
79 
80 	/* This setting works for those device with
81 	 * backdoor ASPM setting such as EPHY setting.
82 	 * 0 - Not support ASPM,
83 	 * 1 - Support ASPM,
84 	 * 2 - According to chipset.
85 	 */
86 	rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support;
87 }
88 
89 int rtl8723be_init_sw_vars(struct ieee80211_hw *hw)
90 {
91 	int err = 0;
92 	struct rtl_priv *rtlpriv = rtl_priv(hw);
93 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
94 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
95 	char *fw_name = "rtlwifi/rtl8723befw_36.bin";
96 
97 	rtl8723be_bt_reg_init(hw);
98 	rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
99 
100 	rtlpriv->dm.dm_initialgain_enable = 1;
101 	rtlpriv->dm.dm_flag = 0;
102 	rtlpriv->dm.disable_framebursting = 0;
103 	rtlpriv->dm.thermalvalue = 0;
104 	rtlpci->transmit_config = CFENDFORM | BIT(15) | BIT(24) | BIT(25);
105 
106 	rtlpriv->phy.lck_inprogress = false;
107 
108 	mac->ht_enable = true;
109 
110 	/* compatible 5G band 88ce just 2.4G band & smsp */
111 	rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
112 	rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
113 	rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
114 
115 	rtlpci->receive_config = (RCR_APPFCS		|
116 				  RCR_APP_MIC		|
117 				  RCR_APP_ICV		|
118 				  RCR_APP_PHYST_RXFF	|
119 				  RCR_HTC_LOC_CTRL	|
120 				  RCR_AMF		|
121 				  RCR_ACF		|
122 				  RCR_ADF		|
123 				  RCR_AICV		|
124 				  RCR_AB		|
125 				  RCR_AM		|
126 				  RCR_APM		|
127 				  0);
128 
129 	rtlpci->irq_mask[0] = (u32) (IMR_PSTIMEOUT	|
130 				     IMR_HSISR_IND_ON_INT	|
131 				     IMR_C2HCMD		|
132 				     IMR_HIGHDOK	|
133 				     IMR_MGNTDOK	|
134 				     IMR_BKDOK		|
135 				     IMR_BEDOK		|
136 				     IMR_VIDOK		|
137 				     IMR_VODOK		|
138 				     IMR_RDU		|
139 				     IMR_ROK		|
140 				     0);
141 
142 	rtlpci->irq_mask[1] = (u32)(IMR_RXFOVW | 0);
143 
144 	rtlpci->sys_irq_mask = (u32)(HSIMR_PDN_INT_EN	|
145 				     HSIMR_RON_INT_EN	|
146 				     0);
147 
148 	/* for LPS & IPS */
149 	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
150 	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
151 	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
152 	rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
153 	rtlpriv->cfg->mod_params->sw_crypto =
154 		 rtlpriv->cfg->mod_params->sw_crypto;
155 	rtlpriv->cfg->mod_params->disable_watchdog =
156 		 rtlpriv->cfg->mod_params->disable_watchdog;
157 	if (rtlpriv->cfg->mod_params->disable_watchdog)
158 		pr_info("watchdog disabled\n");
159 	rtlpriv->psc.reg_fwctrl_lps = 2;
160 	rtlpriv->psc.reg_max_lps_awakeintvl = 2;
161 	/* for ASPM, you can close aspm through
162 	 * set const_support_pciaspm = 0
163 	 */
164 	rtl8723be_init_aspm_vars(hw);
165 
166 	if (rtlpriv->psc.reg_fwctrl_lps == 1)
167 		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
168 	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
169 		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
170 	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
171 		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
172 
173 	/*low power: Disable 32k */
174 	rtlpriv->psc.low_power_enable = false;
175 
176 	rtlpriv->rtlhal.earlymode_enable = false;
177 
178 	/* for firmware buf */
179 	rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
180 	if (!rtlpriv->rtlhal.pfirmware) {
181 		pr_err("Can't alloc buffer for fw.\n");
182 		return 1;
183 	}
184 
185 	rtlpriv->max_fw_size = 0x8000;
186 	pr_info("Using firmware %s\n", fw_name);
187 	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
188 				      rtlpriv->io.dev, GFP_KERNEL, hw,
189 				      rtl_fw_cb);
190 	if (err) {
191 		pr_err("Failed to request firmware!\n");
192 		vfree(rtlpriv->rtlhal.pfirmware);
193 		rtlpriv->rtlhal.pfirmware = NULL;
194 		return 1;
195 	}
196 	return 0;
197 }
198 
199 void rtl8723be_deinit_sw_vars(struct ieee80211_hw *hw)
200 {
201 	struct rtl_priv *rtlpriv = rtl_priv(hw);
202 
203 	if (rtlpriv->rtlhal.pfirmware) {
204 		vfree(rtlpriv->rtlhal.pfirmware);
205 		rtlpriv->rtlhal.pfirmware = NULL;
206 	}
207 }
208 
209 /* get bt coexist status */
210 bool rtl8723be_get_btc_status(void)
211 {
212 	return true;
213 }
214 
215 static bool is_fw_header(struct rtlwifi_firmware_header *hdr)
216 {
217 	return (le16_to_cpu(hdr->signature) & 0xfff0) == 0x5300;
218 }
219 
220 static struct rtl_hal_ops rtl8723be_hal_ops = {
221 	.init_sw_vars = rtl8723be_init_sw_vars,
222 	.deinit_sw_vars = rtl8723be_deinit_sw_vars,
223 	.read_eeprom_info = rtl8723be_read_eeprom_info,
224 	.interrupt_recognized = rtl8723be_interrupt_recognized,
225 	.hw_init = rtl8723be_hw_init,
226 	.hw_disable = rtl8723be_card_disable,
227 	.hw_suspend = rtl8723be_suspend,
228 	.hw_resume = rtl8723be_resume,
229 	.enable_interrupt = rtl8723be_enable_interrupt,
230 	.disable_interrupt = rtl8723be_disable_interrupt,
231 	.set_network_type = rtl8723be_set_network_type,
232 	.set_chk_bssid = rtl8723be_set_check_bssid,
233 	.set_qos = rtl8723be_set_qos,
234 	.set_bcn_reg = rtl8723be_set_beacon_related_registers,
235 	.set_bcn_intv = rtl8723be_set_beacon_interval,
236 	.update_interrupt_mask = rtl8723be_update_interrupt_mask,
237 	.get_hw_reg = rtl8723be_get_hw_reg,
238 	.set_hw_reg = rtl8723be_set_hw_reg,
239 	.update_rate_tbl = rtl8723be_update_hal_rate_tbl,
240 	.fill_tx_desc = rtl8723be_tx_fill_desc,
241 	.fill_tx_cmddesc = rtl8723be_tx_fill_cmddesc,
242 	.query_rx_desc = rtl8723be_rx_query_desc,
243 	.set_channel_access = rtl8723be_update_channel_access_setting,
244 	.radio_onoff_checking = rtl8723be_gpio_radio_on_off_checking,
245 	.set_bw_mode = rtl8723be_phy_set_bw_mode,
246 	.switch_channel = rtl8723be_phy_sw_chnl,
247 	.dm_watchdog = rtl8723be_dm_watchdog,
248 	.scan_operation_backup = rtl8723be_phy_scan_operation_backup,
249 	.set_rf_power_state = rtl8723be_phy_set_rf_power_state,
250 	.led_control = rtl8723be_led_control,
251 	.set_desc = rtl8723be_set_desc,
252 	.get_desc = rtl8723be_get_desc,
253 	.is_tx_desc_closed = rtl8723be_is_tx_desc_closed,
254 	.tx_polling = rtl8723be_tx_polling,
255 	.enable_hw_sec = rtl8723be_enable_hw_security_config,
256 	.set_key = rtl8723be_set_key,
257 	.init_sw_leds = rtl8723be_init_sw_leds,
258 	.get_bbreg = rtl8723_phy_query_bb_reg,
259 	.set_bbreg = rtl8723_phy_set_bb_reg,
260 	.get_rfreg = rtl8723be_phy_query_rf_reg,
261 	.set_rfreg = rtl8723be_phy_set_rf_reg,
262 	.fill_h2c_cmd = rtl8723be_fill_h2c_cmd,
263 	.get_btc_status = rtl8723be_get_btc_status,
264 	.rx_command_packet = rtl8723be_rx_command_packet,
265 	.is_fw_header = is_fw_header,
266 	.c2h_content_parsing = rtl8723be_c2h_content_parsing,
267 };
268 
269 static struct rtl_mod_params rtl8723be_mod_params = {
270 	.sw_crypto = false,
271 	.inactiveps = true,
272 	.swctrl_lps = false,
273 	.fwctrl_lps = true,
274 	.msi_support = false,
275 	.aspm_support = 1,
276 	.disable_watchdog = false,
277 	.debug_level = 0,
278 	.debug_mask = 0,
279 	.ant_sel = 0,
280 };
281 
282 static const struct rtl_hal_cfg rtl8723be_hal_cfg = {
283 	.bar_id = 2,
284 	.write_readback = true,
285 	.name = "rtl8723be_pci",
286 	.alt_fw_name = "rtlwifi/rtl8723befw.bin",
287 	.ops = &rtl8723be_hal_ops,
288 	.mod_params = &rtl8723be_mod_params,
289 	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
290 	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
291 	.maps[SYS_CLK] = REG_SYS_CLKR,
292 	.maps[MAC_RCR_AM] = AM,
293 	.maps[MAC_RCR_AB] = AB,
294 	.maps[MAC_RCR_ACRC32] = ACRC32,
295 	.maps[MAC_RCR_ACF] = ACF,
296 	.maps[MAC_RCR_AAP] = AAP,
297 	.maps[MAC_HIMR] = REG_HIMR,
298 	.maps[MAC_HIMRE] = REG_HIMRE,
299 	.maps[MAC_HSISR] = REG_HSISR,
300 
301 	.maps[EFUSE_ACCESS] = REG_EFUSE_ACCESS,
302 
303 	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
304 	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
305 	.maps[EFUSE_CLK] = 0,
306 	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
307 	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
308 	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
309 	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
310 	.maps[EFUSE_ANA8M] = ANA8M,
311 	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
312 	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
313 	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
314 	.maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
315 
316 	.maps[RWCAM] = REG_CAMCMD,
317 	.maps[WCAMI] = REG_CAMWRITE,
318 	.maps[RCAMO] = REG_CAMREAD,
319 	.maps[CAMDBG] = REG_CAMDBG,
320 	.maps[SECR] = REG_SECCFG,
321 	.maps[SEC_CAM_NONE] = CAM_NONE,
322 	.maps[SEC_CAM_WEP40] = CAM_WEP40,
323 	.maps[SEC_CAM_TKIP] = CAM_TKIP,
324 	.maps[SEC_CAM_AES] = CAM_AES,
325 	.maps[SEC_CAM_WEP104] = CAM_WEP104,
326 
327 	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
328 	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
329 	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
330 	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
331 	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
332 	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
333 /*	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,     */   /*need check*/
334 	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
335 	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
336 	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
337 	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
338 	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
339 	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
340 	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
341 /*	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,*/
342 /*	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,*/
343 
344 	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
345 	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
346 	.maps[RTL_IMR_BCNINT] = IMR_BCNDMAINT0,
347 	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
348 	.maps[RTL_IMR_RDU] = IMR_RDU,
349 	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
350 	.maps[RTL_IMR_BDOK] = IMR_BCNDOK0,
351 	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
352 	.maps[RTL_IMR_TBDER] = IMR_TBDER,
353 	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
354 	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
355 	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
356 	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
357 	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
358 	.maps[RTL_IMR_VODOK] = IMR_VODOK,
359 	.maps[RTL_IMR_ROK] = IMR_ROK,
360 	.maps[RTL_IMR_HSISR_IND] = IMR_HSISR_IND_ON_INT,
361 	.maps[RTL_IBSS_INT_MASKS] = (IMR_BCNDMAINT0 | IMR_TBDOK | IMR_TBDER),
362 
363 	.maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M,
364 	.maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M,
365 	.maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M,
366 	.maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M,
367 	.maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M,
368 	.maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M,
369 	.maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M,
370 	.maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M,
371 	.maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M,
372 	.maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M,
373 	.maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M,
374 	.maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M,
375 
376 	.maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7,
377 	.maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15,
378 };
379 
380 static const struct pci_device_id rtl8723be_pci_ids[] = {
381 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xB723, rtl8723be_hal_cfg)},
382 	{},
383 };
384 
385 MODULE_DEVICE_TABLE(pci, rtl8723be_pci_ids);
386 
387 MODULE_AUTHOR("PageHe	<page_he@realsil.com.cn>");
388 MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
389 MODULE_LICENSE("GPL");
390 MODULE_DESCRIPTION("Realtek 8723BE 802.11n PCI wireless");
391 MODULE_FIRMWARE("rtlwifi/rtl8723befw.bin");
392 MODULE_FIRMWARE("rtlwifi/rtl8723befw_36.bin");
393 
394 module_param_named(swenc, rtl8723be_mod_params.sw_crypto, bool, 0444);
395 module_param_named(debug_level, rtl8723be_mod_params.debug_level, int, 0644);
396 module_param_named(debug_mask, rtl8723be_mod_params.debug_mask, ullong, 0644);
397 module_param_named(ips, rtl8723be_mod_params.inactiveps, bool, 0444);
398 module_param_named(swlps, rtl8723be_mod_params.swctrl_lps, bool, 0444);
399 module_param_named(fwlps, rtl8723be_mod_params.fwctrl_lps, bool, 0444);
400 module_param_named(msi, rtl8723be_mod_params.msi_support, bool, 0444);
401 module_param_named(aspm, rtl8723be_mod_params.aspm_support, int, 0444);
402 module_param_named(disable_watchdog, rtl8723be_mod_params.disable_watchdog,
403 		   bool, 0444);
404 module_param_named(ant_sel, rtl8723be_mod_params.ant_sel, int, 0444);
405 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
406 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
407 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
408 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
409 MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 0)\n");
410 MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
411 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
412 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
413 MODULE_PARM_DESC(disable_watchdog,
414 		 "Set to 1 to disable the watchdog (default 0)\n");
415 MODULE_PARM_DESC(ant_sel, "Set to 1 or 2 to force antenna number (default 0)\n");
416 
417 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
418 
419 static struct pci_driver rtl8723be_driver = {
420 	.name = KBUILD_MODNAME,
421 	.id_table = rtl8723be_pci_ids,
422 	.probe = rtl_pci_probe,
423 	.remove = rtl_pci_disconnect,
424 	.driver.pm = &rtlwifi_pm_ops,
425 };
426 
427 module_pci_driver(rtl8723be_driver);
428