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 "../base.h"
30 #include "reg.h"
31 #include "def.h"
32 #include "phy.h"
33 #include "dm.h"
34 #include "../rtl8192c/dm_common.h"
35 #include "../rtl8192c/fw_common.h"
36 #include "../rtl8192c/phy_common.h"
37 #include "hw.h"
38 #include "rf.h"
39 #include "sw.h"
40 #include "trx.h"
41 #include "led.h"
42 
43 #include <linux/module.h>
44 
45 static void rtl92c_init_aspm_vars(struct ieee80211_hw *hw)
46 {
47 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
48 
49 	/*close ASPM for AMD defaultly */
50 	rtlpci->const_amdpci_aspm = 0;
51 
52 	/*
53 	 * ASPM PS mode.
54 	 * 0 - Disable ASPM,
55 	 * 1 - Enable ASPM without Clock Req,
56 	 * 2 - Enable ASPM with Clock Req,
57 	 * 3 - Alwyas Enable ASPM with Clock Req,
58 	 * 4 - Always Enable ASPM without Clock Req.
59 	 * set defult to RTL8192CE:3 RTL8192E:2
60 	 * */
61 	rtlpci->const_pci_aspm = 3;
62 
63 	/*Setting for PCI-E device */
64 	rtlpci->const_devicepci_aspm_setting = 0x03;
65 
66 	/*Setting for PCI-E bridge */
67 	rtlpci->const_hostpci_aspm_setting = 0x02;
68 
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 	/*
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 = 1;
87 }
88 
89 int rtl92c_init_sw_vars(struct ieee80211_hw *hw)
90 {
91 	int err;
92 	struct rtl_priv *rtlpriv = rtl_priv(hw);
93 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
94 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
95 	char *fw_name;
96 
97 	rtl8192ce_bt_reg_init(hw);
98 
99 	rtlpriv->dm.dm_initialgain_enable = true;
100 	rtlpriv->dm.dm_flag = 0;
101 	rtlpriv->dm.disable_framebursting = false;
102 	rtlpriv->dm.thermalvalue = 0;
103 	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
104 
105 	/* compatible 5G band 88ce just 2.4G band & smsp */
106 	rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
107 	rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
108 	rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
109 
110 	rtlpci->receive_config = (RCR_APPFCS |
111 				  RCR_AMF |
112 				  RCR_ADF |
113 				  RCR_APP_MIC |
114 				  RCR_APP_ICV |
115 				  RCR_AICV |
116 				  RCR_ACRC32 |
117 				  RCR_AB |
118 				  RCR_AM |
119 				  RCR_APM |
120 				  RCR_APP_PHYST_RXFF | RCR_HTC_LOC_CTRL | 0);
121 
122 	rtlpci->irq_mask[0] =
123 	    (u32) (IMR_ROK |
124 		   IMR_VODOK |
125 		   IMR_VIDOK |
126 		   IMR_BEDOK |
127 		   IMR_BKDOK |
128 		   IMR_MGNTDOK |
129 		   IMR_HIGHDOK | IMR_BDOK | IMR_RDU | IMR_RXFOVW | 0);
130 
131 	rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD | 0);
132 
133 	/* for LPS & IPS */
134 	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
135 	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
136 	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
137 	rtlpriv->cfg->mod_params->sw_crypto =
138 		rtlpriv->cfg->mod_params->sw_crypto;
139 	if (!rtlpriv->psc.inactiveps)
140 		pr_info("rtl8192ce: Power Save off (module option)\n");
141 	if (!rtlpriv->psc.fwctrl_lps)
142 		pr_info("rtl8192ce: FW Power Save off (module option)\n");
143 	rtlpriv->psc.reg_fwctrl_lps = 3;
144 	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
145 	/* for ASPM, you can close aspm through
146 	 * set const_support_pciaspm = 0 */
147 	rtl92c_init_aspm_vars(hw);
148 
149 	if (rtlpriv->psc.reg_fwctrl_lps == 1)
150 		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
151 	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
152 		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
153 	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
154 		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
155 
156 	/* for firmware buf */
157 	rtlpriv->rtlhal.pfirmware = vzalloc(0x4000);
158 	if (!rtlpriv->rtlhal.pfirmware) {
159 		pr_err("Can't alloc buffer for fw\n");
160 		return 1;
161 	}
162 
163 	/* request fw */
164 	if (IS_VENDOR_UMC_A_CUT(rtlhal->version) &&
165 	    !IS_92C_SERIAL(rtlhal->version))
166 		fw_name = "rtlwifi/rtl8192cfwU.bin";
167 	else if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version))
168 		fw_name = "rtlwifi/rtl8192cfwU_B.bin";
169 	else
170 		fw_name = "rtlwifi/rtl8192cfw.bin";
171 
172 	rtlpriv->max_fw_size = 0x4000;
173 	pr_info("Using firmware %s\n", fw_name);
174 	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
175 				      rtlpriv->io.dev, GFP_KERNEL, hw,
176 				      rtl_fw_cb);
177 	if (err) {
178 		pr_err("Failed to request firmware!\n");
179 		return 1;
180 	}
181 
182 	return 0;
183 }
184 
185 void rtl92c_deinit_sw_vars(struct ieee80211_hw *hw)
186 {
187 	struct rtl_priv *rtlpriv = rtl_priv(hw);
188 
189 	if (rtlpriv->rtlhal.pfirmware) {
190 		vfree(rtlpriv->rtlhal.pfirmware);
191 		rtlpriv->rtlhal.pfirmware = NULL;
192 	}
193 }
194 
195 static struct rtl_hal_ops rtl8192ce_hal_ops = {
196 	.init_sw_vars = rtl92c_init_sw_vars,
197 	.deinit_sw_vars = rtl92c_deinit_sw_vars,
198 	.read_eeprom_info = rtl92ce_read_eeprom_info,
199 	.interrupt_recognized = rtl92ce_interrupt_recognized,
200 	.hw_init = rtl92ce_hw_init,
201 	.hw_disable = rtl92ce_card_disable,
202 	.hw_suspend = rtl92ce_suspend,
203 	.hw_resume = rtl92ce_resume,
204 	.enable_interrupt = rtl92ce_enable_interrupt,
205 	.disable_interrupt = rtl92ce_disable_interrupt,
206 	.set_network_type = rtl92ce_set_network_type,
207 	.set_chk_bssid = rtl92ce_set_check_bssid,
208 	.set_qos = rtl92ce_set_qos,
209 	.set_bcn_reg = rtl92ce_set_beacon_related_registers,
210 	.set_bcn_intv = rtl92ce_set_beacon_interval,
211 	.update_interrupt_mask = rtl92ce_update_interrupt_mask,
212 	.get_hw_reg = rtl92ce_get_hw_reg,
213 	.set_hw_reg = rtl92ce_set_hw_reg,
214 	.update_rate_tbl = rtl92ce_update_hal_rate_tbl,
215 	.fill_tx_desc = rtl92ce_tx_fill_desc,
216 	.fill_tx_cmddesc = rtl92ce_tx_fill_cmddesc,
217 	.query_rx_desc = rtl92ce_rx_query_desc,
218 	.set_channel_access = rtl92ce_update_channel_access_setting,
219 	.radio_onoff_checking = rtl92ce_gpio_radio_on_off_checking,
220 	.set_bw_mode = rtl92c_phy_set_bw_mode,
221 	.switch_channel = rtl92c_phy_sw_chnl,
222 	.dm_watchdog = rtl92c_dm_watchdog,
223 	.scan_operation_backup = rtl_phy_scan_operation_backup,
224 	.set_rf_power_state = rtl92c_phy_set_rf_power_state,
225 	.led_control = rtl92ce_led_control,
226 	.set_desc = rtl92ce_set_desc,
227 	.get_desc = rtl92ce_get_desc,
228 	.is_tx_desc_closed = rtl92ce_is_tx_desc_closed,
229 	.tx_polling = rtl92ce_tx_polling,
230 	.enable_hw_sec = rtl92ce_enable_hw_security_config,
231 	.set_key = rtl92ce_set_key,
232 	.init_sw_leds = rtl92ce_init_sw_leds,
233 	.get_bbreg = rtl92c_phy_query_bb_reg,
234 	.set_bbreg = rtl92c_phy_set_bb_reg,
235 	.set_rfreg = rtl92ce_phy_set_rf_reg,
236 	.get_rfreg = rtl92c_phy_query_rf_reg,
237 	.phy_rf6052_config = rtl92ce_phy_rf6052_config,
238 	.phy_rf6052_set_cck_txpower = rtl92ce_phy_rf6052_set_cck_txpower,
239 	.phy_rf6052_set_ofdm_txpower = rtl92ce_phy_rf6052_set_ofdm_txpower,
240 	.config_bb_with_headerfile = _rtl92ce_phy_config_bb_with_headerfile,
241 	.config_bb_with_pgheaderfile = _rtl92ce_phy_config_bb_with_pgheaderfile,
242 	.phy_lc_calibrate = _rtl92ce_phy_lc_calibrate,
243 	.phy_set_bw_mode_callback = rtl92ce_phy_set_bw_mode_callback,
244 	.dm_dynamic_txpower = rtl92ce_dm_dynamic_txpower,
245 	.get_btc_status = rtl_btc_status_false,
246 };
247 
248 static struct rtl_mod_params rtl92ce_mod_params = {
249 	.sw_crypto = false,
250 	.inactiveps = true,
251 	.swctrl_lps = false,
252 	.fwctrl_lps = true,
253 	.debug_level = 0,
254 	.debug_mask = 0,
255 };
256 
257 static const struct rtl_hal_cfg rtl92ce_hal_cfg = {
258 	.bar_id = 2,
259 	.write_readback = true,
260 	.name = "rtl92c_pci",
261 	.ops = &rtl8192ce_hal_ops,
262 	.mod_params = &rtl92ce_mod_params,
263 
264 	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
265 	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
266 	.maps[SYS_CLK] = REG_SYS_CLKR,
267 	.maps[MAC_RCR_AM] = AM,
268 	.maps[MAC_RCR_AB] = AB,
269 	.maps[MAC_RCR_ACRC32] = ACRC32,
270 	.maps[MAC_RCR_ACF] = ACF,
271 	.maps[MAC_RCR_AAP] = AAP,
272 	.maps[MAC_HIMR] = REG_HIMR,
273 	.maps[MAC_HIMRE] = REG_HIMRE,
274 
275 	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
276 	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
277 	.maps[EFUSE_CLK] = 0,
278 	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
279 	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
280 	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
281 	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
282 	.maps[EFUSE_ANA8M] = EFUSE_ANA8M,
283 	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
284 	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
285 	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
286 	.maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
287 
288 	.maps[RWCAM] = REG_CAMCMD,
289 	.maps[WCAMI] = REG_CAMWRITE,
290 	.maps[RCAMO] = REG_CAMREAD,
291 	.maps[CAMDBG] = REG_CAMDBG,
292 	.maps[SECR] = REG_SECCFG,
293 	.maps[SEC_CAM_NONE] = CAM_NONE,
294 	.maps[SEC_CAM_WEP40] = CAM_WEP40,
295 	.maps[SEC_CAM_TKIP] = CAM_TKIP,
296 	.maps[SEC_CAM_AES] = CAM_AES,
297 	.maps[SEC_CAM_WEP104] = CAM_WEP104,
298 
299 	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
300 	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
301 	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
302 	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
303 	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
304 	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
305 	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
306 	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
307 	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
308 	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
309 	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
310 	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
311 	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
312 	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
313 	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
314 	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
315 
316 	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
317 	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
318 	.maps[RTL_IMR_BCNINT] = IMR_BCNINT,
319 	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
320 	.maps[RTL_IMR_RDU] = IMR_RDU,
321 	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
322 	.maps[RTL_IMR_BDOK] = IMR_BDOK,
323 	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
324 	.maps[RTL_IMR_TBDER] = IMR_TBDER,
325 	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
326 	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
327 	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
328 	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
329 	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
330 	.maps[RTL_IMR_VODOK] = IMR_VODOK,
331 	.maps[RTL_IMR_ROK] = IMR_ROK,
332 	.maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER),
333 
334 	.maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M,
335 	.maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M,
336 	.maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M,
337 	.maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M,
338 	.maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M,
339 	.maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M,
340 	.maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M,
341 	.maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M,
342 	.maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M,
343 	.maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M,
344 	.maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M,
345 	.maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M,
346 
347 	.maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7,
348 	.maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15,
349 };
350 
351 static const struct pci_device_id rtl92ce_pci_ids[] = {
352 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8191, rtl92ce_hal_cfg)},
353 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8178, rtl92ce_hal_cfg)},
354 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8177, rtl92ce_hal_cfg)},
355 	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8176, rtl92ce_hal_cfg)},
356 	{},
357 };
358 
359 MODULE_DEVICE_TABLE(pci, rtl92ce_pci_ids);
360 
361 MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
362 MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
363 MODULE_AUTHOR("Larry Finger	<Larry.Finger@lwfinger.net>");
364 MODULE_LICENSE("GPL");
365 MODULE_DESCRIPTION("Realtek 8192C/8188C 802.11n PCI wireless");
366 MODULE_FIRMWARE("rtlwifi/rtl8192cfw.bin");
367 MODULE_FIRMWARE("rtlwifi/rtl8192cfwU.bin");
368 MODULE_FIRMWARE("rtlwifi/rtl8192cfwU_B.bin");
369 
370 module_param_named(swenc, rtl92ce_mod_params.sw_crypto, bool, 0444);
371 module_param_named(debug_level, rtl92ce_mod_params.debug_level, int, 0644);
372 module_param_named(debug_mask, rtl92ce_mod_params.debug_mask, ullong, 0644);
373 module_param_named(ips, rtl92ce_mod_params.inactiveps, bool, 0444);
374 module_param_named(swlps, rtl92ce_mod_params.swctrl_lps, bool, 0444);
375 module_param_named(fwlps, rtl92ce_mod_params.fwctrl_lps, bool, 0444);
376 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
377 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
378 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
379 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
380 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
381 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
382 
383 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
384 
385 static struct pci_driver rtl92ce_driver = {
386 	.name = KBUILD_MODNAME,
387 	.id_table = rtl92ce_pci_ids,
388 	.probe = rtl_pci_probe,
389 	.remove = rtl_pci_disconnect,
390 	.driver.pm = &rtlwifi_pm_ops,
391 };
392 
393 module_pci_driver(rtl92ce_driver);
394