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 "../base.h" 29 #include "../pci.h" 30 #include "reg.h" 31 #include "def.h" 32 #include "phy.h" 33 #include "dm.h" 34 #include "fw.h" 35 #include "hw.h" 36 #include "sw.h" 37 #include "trx.h" 38 #include "led.h" 39 40 #include <linux/module.h> 41 42 static void rtl92s_init_aspm_vars(struct ieee80211_hw *hw) 43 { 44 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 45 46 /*close ASPM for AMD defaultly */ 47 rtlpci->const_amdpci_aspm = 0; 48 49 /* ASPM PS mode. 50 * 0 - Disable ASPM, 51 * 1 - Enable ASPM without Clock Req, 52 * 2 - Enable ASPM with Clock Req, 53 * 3 - Alwyas Enable ASPM with Clock Req, 54 * 4 - Always Enable ASPM without Clock Req. 55 * set defult to RTL8192CE:3 RTL8192E:2 56 * */ 57 rtlpci->const_pci_aspm = 2; 58 59 /*Setting for PCI-E device */ 60 rtlpci->const_devicepci_aspm_setting = 0x03; 61 62 /*Setting for PCI-E bridge */ 63 rtlpci->const_hostpci_aspm_setting = 0x02; 64 65 /* In Hw/Sw Radio Off situation. 66 * 0 - Default, 67 * 1 - From ASPM setting without low Mac Pwr, 68 * 2 - From ASPM setting with low Mac Pwr, 69 * 3 - Bus D3 70 * set default to RTL8192CE:0 RTL8192SE:2 71 */ 72 rtlpci->const_hwsw_rfoff_d3 = 2; 73 74 /* This setting works for those device with 75 * backdoor ASPM setting such as EPHY setting. 76 * 0 - Not support ASPM, 77 * 1 - Support ASPM, 78 * 2 - According to chipset. 79 */ 80 rtlpci->const_support_pciaspm = 2; 81 } 82 83 static void rtl92se_fw_cb(const struct firmware *firmware, void *context) 84 { 85 struct ieee80211_hw *hw = context; 86 struct rtl_priv *rtlpriv = rtl_priv(hw); 87 struct rt_firmware *pfirmware = NULL; 88 char *fw_name = "rtlwifi/rtl8192sefw.bin"; 89 90 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, 91 "Firmware callback routine entered!\n"); 92 complete(&rtlpriv->firmware_loading_complete); 93 if (!firmware) { 94 pr_err("Firmware %s not available\n", fw_name); 95 rtlpriv->max_fw_size = 0; 96 return; 97 } 98 if (firmware->size > rtlpriv->max_fw_size) { 99 pr_err("Firmware is too big!\n"); 100 rtlpriv->max_fw_size = 0; 101 release_firmware(firmware); 102 return; 103 } 104 pfirmware = (struct rt_firmware *)rtlpriv->rtlhal.pfirmware; 105 memcpy(pfirmware->sz_fw_tmpbuffer, firmware->data, firmware->size); 106 pfirmware->sz_fw_tmpbufferlen = firmware->size; 107 release_firmware(firmware); 108 } 109 110 static int rtl92s_init_sw_vars(struct ieee80211_hw *hw) 111 { 112 struct rtl_priv *rtlpriv = rtl_priv(hw); 113 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 114 int err = 0; 115 u16 earlyrxthreshold = 7; 116 char *fw_name = "rtlwifi/rtl8192sefw.bin"; 117 118 rtlpriv->dm.dm_initialgain_enable = true; 119 rtlpriv->dm.dm_flag = 0; 120 rtlpriv->dm.disable_framebursting = false; 121 rtlpriv->dm.thermalvalue = 0; 122 rtlpriv->dm.useramask = true; 123 124 /* compatible 5G band 91se just 2.4G band & smsp */ 125 rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G; 126 rtlpriv->rtlhal.bandset = BAND_ON_2_4G; 127 rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY; 128 129 rtlpci->transmit_config = 0; 130 131 rtlpci->receive_config = 132 RCR_APPFCS | 133 RCR_APWRMGT | 134 /*RCR_ADD3 |*/ 135 RCR_AMF | 136 RCR_ADF | 137 RCR_APP_MIC | 138 RCR_APP_ICV | 139 RCR_AICV | 140 /* Accept ICV error, CRC32 Error */ 141 RCR_ACRC32 | 142 RCR_AB | 143 /* Accept Broadcast, Multicast */ 144 RCR_AM | 145 /* Accept Physical match */ 146 RCR_APM | 147 /* Accept Destination Address packets */ 148 /*RCR_AAP |*/ 149 RCR_APP_PHYST_STAFF | 150 /* Accept PHY status */ 151 RCR_APP_PHYST_RXFF | 152 (earlyrxthreshold << RCR_FIFO_OFFSET); 153 154 rtlpci->irq_mask[0] = (u32) 155 (IMR_ROK | 156 IMR_VODOK | 157 IMR_VIDOK | 158 IMR_BEDOK | 159 IMR_BKDOK | 160 IMR_HCCADOK | 161 IMR_MGNTDOK | 162 IMR_COMDOK | 163 IMR_HIGHDOK | 164 IMR_BDOK | 165 IMR_RXCMDOK | 166 /*IMR_TIMEOUT0 |*/ 167 IMR_RDU | 168 IMR_RXFOVW | 169 IMR_BCNINT 170 /*| IMR_TXFOVW*/ 171 /*| IMR_TBDOK | 172 IMR_TBDER*/); 173 174 rtlpci->irq_mask[1] = (u32) 0; 175 176 rtlpci->shortretry_limit = 0x30; 177 rtlpci->longretry_limit = 0x30; 178 179 rtlpci->first_init = true; 180 181 /* for LPS & IPS */ 182 rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps; 183 rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps; 184 rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps; 185 rtlpriv->cfg->mod_params->sw_crypto = 186 rtlpriv->cfg->mod_params->sw_crypto; 187 if (!rtlpriv->psc.inactiveps) 188 pr_info("Power Save off (module option)\n"); 189 if (!rtlpriv->psc.fwctrl_lps) 190 pr_info("FW Power Save off (module option)\n"); 191 rtlpriv->psc.reg_fwctrl_lps = 3; 192 rtlpriv->psc.reg_max_lps_awakeintvl = 5; 193 /* for ASPM, you can close aspm through 194 * set const_support_pciaspm = 0 */ 195 rtl92s_init_aspm_vars(hw); 196 197 if (rtlpriv->psc.reg_fwctrl_lps == 1) 198 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE; 199 else if (rtlpriv->psc.reg_fwctrl_lps == 2) 200 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE; 201 else if (rtlpriv->psc.reg_fwctrl_lps == 3) 202 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE; 203 204 /* for firmware buf */ 205 rtlpriv->rtlhal.pfirmware = vzalloc(sizeof(struct rt_firmware)); 206 if (!rtlpriv->rtlhal.pfirmware) 207 return 1; 208 209 rtlpriv->max_fw_size = RTL8190_MAX_FIRMWARE_CODE_SIZE*2 + 210 sizeof(struct fw_hdr); 211 pr_info("Driver for Realtek RTL8192SE/RTL8191SE\n" 212 "Loading firmware %s\n", fw_name); 213 /* request fw */ 214 err = request_firmware_nowait(THIS_MODULE, 1, fw_name, 215 rtlpriv->io.dev, GFP_KERNEL, hw, 216 rtl92se_fw_cb); 217 if (err) { 218 pr_err("Failed to request firmware!\n"); 219 return 1; 220 } 221 222 return err; 223 } 224 225 static void rtl92s_deinit_sw_vars(struct ieee80211_hw *hw) 226 { 227 struct rtl_priv *rtlpriv = rtl_priv(hw); 228 229 if (rtlpriv->rtlhal.pfirmware) { 230 vfree(rtlpriv->rtlhal.pfirmware); 231 rtlpriv->rtlhal.pfirmware = NULL; 232 } 233 } 234 235 static bool rtl92se_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, 236 u16 index) 237 { 238 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 239 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 240 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 241 u8 own = (u8)rtl92se_get_desc(entry, true, HW_DESC_OWN); 242 243 if (own) 244 return false; 245 return true; 246 } 247 248 static struct rtl_hal_ops rtl8192se_hal_ops = { 249 .init_sw_vars = rtl92s_init_sw_vars, 250 .deinit_sw_vars = rtl92s_deinit_sw_vars, 251 .read_eeprom_info = rtl92se_read_eeprom_info, 252 .interrupt_recognized = rtl92se_interrupt_recognized, 253 .hw_init = rtl92se_hw_init, 254 .hw_disable = rtl92se_card_disable, 255 .hw_suspend = rtl92se_suspend, 256 .hw_resume = rtl92se_resume, 257 .enable_interrupt = rtl92se_enable_interrupt, 258 .disable_interrupt = rtl92se_disable_interrupt, 259 .set_network_type = rtl92se_set_network_type, 260 .set_chk_bssid = rtl92se_set_check_bssid, 261 .set_qos = rtl92se_set_qos, 262 .set_bcn_reg = rtl92se_set_beacon_related_registers, 263 .set_bcn_intv = rtl92se_set_beacon_interval, 264 .update_interrupt_mask = rtl92se_update_interrupt_mask, 265 .get_hw_reg = rtl92se_get_hw_reg, 266 .set_hw_reg = rtl92se_set_hw_reg, 267 .update_rate_tbl = rtl92se_update_hal_rate_tbl, 268 .fill_tx_desc = rtl92se_tx_fill_desc, 269 .fill_tx_cmddesc = rtl92se_tx_fill_cmddesc, 270 .query_rx_desc = rtl92se_rx_query_desc, 271 .set_channel_access = rtl92se_update_channel_access_setting, 272 .radio_onoff_checking = rtl92se_gpio_radio_on_off_checking, 273 .set_bw_mode = rtl92s_phy_set_bw_mode, 274 .switch_channel = rtl92s_phy_sw_chnl, 275 .dm_watchdog = rtl92s_dm_watchdog, 276 .scan_operation_backup = rtl92s_phy_scan_operation_backup, 277 .set_rf_power_state = rtl92s_phy_set_rf_power_state, 278 .led_control = rtl92se_led_control, 279 .set_desc = rtl92se_set_desc, 280 .get_desc = rtl92se_get_desc, 281 .is_tx_desc_closed = rtl92se_is_tx_desc_closed, 282 .tx_polling = rtl92se_tx_polling, 283 .enable_hw_sec = rtl92se_enable_hw_security_config, 284 .set_key = rtl92se_set_key, 285 .init_sw_leds = rtl92se_init_sw_leds, 286 .get_bbreg = rtl92s_phy_query_bb_reg, 287 .set_bbreg = rtl92s_phy_set_bb_reg, 288 .get_rfreg = rtl92s_phy_query_rf_reg, 289 .set_rfreg = rtl92s_phy_set_rf_reg, 290 .get_btc_status = rtl_btc_status_false, 291 }; 292 293 static struct rtl_mod_params rtl92se_mod_params = { 294 .sw_crypto = false, 295 .inactiveps = true, 296 .swctrl_lps = true, 297 .fwctrl_lps = false, 298 .debug_level = 0, 299 .debug_mask = 0, 300 }; 301 302 /* Because memory R/W bursting will cause system hang/crash 303 * for 92se, so we don't read back after every write action */ 304 static const struct rtl_hal_cfg rtl92se_hal_cfg = { 305 .bar_id = 1, 306 .write_readback = false, 307 .name = "rtl92s_pci", 308 .ops = &rtl8192se_hal_ops, 309 .mod_params = &rtl92se_mod_params, 310 311 .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL, 312 .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN, 313 .maps[SYS_CLK] = SYS_CLKR, 314 .maps[MAC_RCR_AM] = RCR_AM, 315 .maps[MAC_RCR_AB] = RCR_AB, 316 .maps[MAC_RCR_ACRC32] = RCR_ACRC32, 317 .maps[MAC_RCR_ACF] = RCR_ACF, 318 .maps[MAC_RCR_AAP] = RCR_AAP, 319 .maps[MAC_HIMR] = INTA_MASK, 320 .maps[MAC_HIMRE] = INTA_MASK + 4, 321 322 .maps[EFUSE_TEST] = REG_EFUSE_TEST, 323 .maps[EFUSE_CTRL] = REG_EFUSE_CTRL, 324 .maps[EFUSE_CLK] = REG_EFUSE_CLK, 325 .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL, 326 .maps[EFUSE_PWC_EV12V] = 0, /* nouse for 8192se */ 327 .maps[EFUSE_FEN_ELDR] = 0, /* nouse for 8192se */ 328 .maps[EFUSE_LOADER_CLK_EN] = 0,/* nouse for 8192se */ 329 .maps[EFUSE_ANA8M] = EFUSE_ANA8M, 330 .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE_92S, 331 .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION, 332 .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN, 333 .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES, 334 335 .maps[RWCAM] = REG_RWCAM, 336 .maps[WCAMI] = REG_WCAMI, 337 .maps[RCAMO] = REG_RCAMO, 338 .maps[CAMDBG] = REG_CAMDBG, 339 .maps[SECR] = REG_SECR, 340 .maps[SEC_CAM_NONE] = CAM_NONE, 341 .maps[SEC_CAM_WEP40] = CAM_WEP40, 342 .maps[SEC_CAM_TKIP] = CAM_TKIP, 343 .maps[SEC_CAM_AES] = CAM_AES, 344 .maps[SEC_CAM_WEP104] = CAM_WEP104, 345 346 .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6, 347 .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5, 348 .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4, 349 .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3, 350 .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2, 351 .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1, 352 .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8, 353 .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7, 354 .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6, 355 .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5, 356 .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4, 357 .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3, 358 .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2, 359 .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1, 360 .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2, 361 .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1, 362 363 .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW, 364 .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT, 365 .maps[RTL_IMR_BCNINT] = IMR_BCNINT, 366 .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW, 367 .maps[RTL_IMR_RDU] = IMR_RDU, 368 .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND, 369 .maps[RTL_IMR_BDOK] = IMR_BDOK, 370 .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK, 371 .maps[RTL_IMR_TBDER] = IMR_TBDER, 372 .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK, 373 .maps[RTL_IMR_COMDOK] = IMR_COMDOK, 374 .maps[RTL_IMR_TBDOK] = IMR_TBDOK, 375 .maps[RTL_IMR_BKDOK] = IMR_BKDOK, 376 .maps[RTL_IMR_BEDOK] = IMR_BEDOK, 377 .maps[RTL_IMR_VIDOK] = IMR_VIDOK, 378 .maps[RTL_IMR_VODOK] = IMR_VODOK, 379 .maps[RTL_IMR_ROK] = IMR_ROK, 380 .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER), 381 382 .maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M, 383 .maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M, 384 .maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M, 385 .maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M, 386 .maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M, 387 .maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M, 388 .maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M, 389 .maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M, 390 .maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M, 391 .maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M, 392 .maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M, 393 .maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M, 394 395 .maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7, 396 .maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15, 397 }; 398 399 static struct pci_device_id rtl92se_pci_ids[] = { 400 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8192, rtl92se_hal_cfg)}, 401 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8171, rtl92se_hal_cfg)}, 402 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8172, rtl92se_hal_cfg)}, 403 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8173, rtl92se_hal_cfg)}, 404 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8174, rtl92se_hal_cfg)}, 405 {}, 406 }; 407 408 MODULE_DEVICE_TABLE(pci, rtl92se_pci_ids); 409 410 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 411 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 412 MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>"); 413 MODULE_LICENSE("GPL"); 414 MODULE_DESCRIPTION("Realtek 8192S/8191S 802.11n PCI wireless"); 415 MODULE_FIRMWARE("rtlwifi/rtl8192sefw.bin"); 416 417 module_param_named(swenc, rtl92se_mod_params.sw_crypto, bool, 0444); 418 module_param_named(debug_level, rtl92se_mod_params.debug_level, int, 0644); 419 module_param_named(debug_mask, rtl92se_mod_params.debug_mask, ullong, 0644); 420 module_param_named(ips, rtl92se_mod_params.inactiveps, bool, 0444); 421 module_param_named(swlps, rtl92se_mod_params.swctrl_lps, bool, 0444); 422 module_param_named(fwlps, rtl92se_mod_params.fwctrl_lps, bool, 0444); 423 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n"); 424 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n"); 425 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 1)\n"); 426 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 0)\n"); 427 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)"); 428 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)"); 429 430 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume); 431 432 static struct pci_driver rtl92se_driver = { 433 .name = KBUILD_MODNAME, 434 .id_table = rtl92se_pci_ids, 435 .probe = rtl_pci_probe, 436 .remove = rtl_pci_disconnect, 437 .driver.pm = &rtlwifi_pm_ops, 438 }; 439 440 module_pci_driver(rtl92se_driver); 441