1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4 #include "../wifi.h" 5 #include "../core.h" 6 #include "../base.h" 7 #include "../pci.h" 8 #include "reg.h" 9 #include "def.h" 10 #include "phy.h" 11 #include "dm.h" 12 #include "fw.h" 13 #include "hw.h" 14 #include "sw.h" 15 #include "trx.h" 16 #include "led.h" 17 18 #include <linux/module.h> 19 20 static void rtl92s_init_aspm_vars(struct ieee80211_hw *hw) 21 { 22 struct rtl_priv *rtlpriv = rtl_priv(hw); 23 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 24 25 /*close ASPM for AMD defaultly */ 26 rtlpci->const_amdpci_aspm = 0; 27 28 /* ASPM PS mode. 29 * 0 - Disable ASPM, 30 * 1 - Enable ASPM without Clock Req, 31 * 2 - Enable ASPM with Clock Req, 32 * 3 - Alwyas Enable ASPM with Clock Req, 33 * 4 - Always Enable ASPM without Clock Req. 34 * set defult to RTL8192CE:3 RTL8192E:2 35 * */ 36 rtlpci->const_pci_aspm = 2; 37 38 /*Setting for PCI-E device */ 39 rtlpci->const_devicepci_aspm_setting = 0x03; 40 41 /*Setting for PCI-E bridge */ 42 rtlpci->const_hostpci_aspm_setting = 0x02; 43 44 /* In Hw/Sw Radio Off situation. 45 * 0 - Default, 46 * 1 - From ASPM setting without low Mac Pwr, 47 * 2 - From ASPM setting with low Mac Pwr, 48 * 3 - Bus D3 49 * set default to RTL8192CE:0 RTL8192SE:2 50 */ 51 rtlpci->const_hwsw_rfoff_d3 = 2; 52 53 /* This setting works for those device with 54 * backdoor ASPM setting such as EPHY setting. 55 * 0 - Not support ASPM, 56 * 1 - Support ASPM, 57 * 2 - According to chipset. 58 */ 59 rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support; 60 } 61 62 static void rtl92se_fw_cb(const struct firmware *firmware, void *context) 63 { 64 struct ieee80211_hw *hw = context; 65 struct rtl_priv *rtlpriv = rtl_priv(hw); 66 struct rt_firmware *pfirmware = NULL; 67 char *fw_name = "rtlwifi/rtl8192sefw.bin"; 68 69 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, 70 "Firmware callback routine entered!\n"); 71 complete(&rtlpriv->firmware_loading_complete); 72 if (!firmware) { 73 pr_err("Firmware %s not available\n", fw_name); 74 rtlpriv->max_fw_size = 0; 75 return; 76 } 77 if (firmware->size > rtlpriv->max_fw_size) { 78 pr_err("Firmware is too big!\n"); 79 rtlpriv->max_fw_size = 0; 80 release_firmware(firmware); 81 return; 82 } 83 pfirmware = (struct rt_firmware *)rtlpriv->rtlhal.pfirmware; 84 memcpy(pfirmware->sz_fw_tmpbuffer, firmware->data, firmware->size); 85 pfirmware->sz_fw_tmpbufferlen = firmware->size; 86 release_firmware(firmware); 87 } 88 89 static int rtl92s_init_sw_vars(struct ieee80211_hw *hw) 90 { 91 struct rtl_priv *rtlpriv = rtl_priv(hw); 92 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 93 int err = 0; 94 u16 earlyrxthreshold = 7; 95 char *fw_name = "rtlwifi/rtl8192sefw.bin"; 96 97 rtlpriv->dm.dm_initialgain_enable = true; 98 rtlpriv->dm.dm_flag = 0; 99 rtlpriv->dm.disable_framebursting = false; 100 rtlpriv->dm.thermalvalue = 0; 101 rtlpriv->dm.useramask = true; 102 103 /* compatible 5G band 91se just 2.4G band & smsp */ 104 rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G; 105 rtlpriv->rtlhal.bandset = BAND_ON_2_4G; 106 rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY; 107 108 rtlpci->transmit_config = 0; 109 110 rtlpci->receive_config = 111 RCR_APPFCS | 112 RCR_APWRMGT | 113 /*RCR_ADD3 |*/ 114 RCR_AMF | 115 RCR_ADF | 116 RCR_APP_MIC | 117 RCR_APP_ICV | 118 RCR_AICV | 119 /* Accept ICV error, CRC32 Error */ 120 RCR_ACRC32 | 121 RCR_AB | 122 /* Accept Broadcast, Multicast */ 123 RCR_AM | 124 /* Accept Physical match */ 125 RCR_APM | 126 /* Accept Destination Address packets */ 127 /*RCR_AAP |*/ 128 RCR_APP_PHYST_STAFF | 129 /* Accept PHY status */ 130 RCR_APP_PHYST_RXFF | 131 (earlyrxthreshold << RCR_FIFO_OFFSET); 132 133 rtlpci->irq_mask[0] = (u32) 134 (IMR_ROK | 135 IMR_VODOK | 136 IMR_VIDOK | 137 IMR_BEDOK | 138 IMR_BKDOK | 139 IMR_HCCADOK | 140 IMR_MGNTDOK | 141 IMR_COMDOK | 142 IMR_HIGHDOK | 143 IMR_BDOK | 144 IMR_RXCMDOK | 145 /*IMR_TIMEOUT0 |*/ 146 IMR_RDU | 147 IMR_RXFOVW | 148 IMR_BCNINT 149 /*| IMR_TXFOVW*/ 150 /*| IMR_TBDOK | 151 IMR_TBDER*/); 152 153 rtlpci->irq_mask[1] = (u32) 0; 154 155 rtlpci->shortretry_limit = 0x30; 156 rtlpci->longretry_limit = 0x30; 157 158 rtlpci->first_init = true; 159 160 /* for LPS & IPS */ 161 rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps; 162 rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps; 163 rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps; 164 if (!rtlpriv->psc.inactiveps) 165 pr_info("Power Save off (module option)\n"); 166 if (!rtlpriv->psc.fwctrl_lps) 167 pr_info("FW Power Save off (module option)\n"); 168 rtlpriv->psc.reg_fwctrl_lps = 3; 169 rtlpriv->psc.reg_max_lps_awakeintvl = 5; 170 /* for ASPM, you can close aspm through 171 * set const_support_pciaspm = 0 */ 172 rtl92s_init_aspm_vars(hw); 173 174 if (rtlpriv->psc.reg_fwctrl_lps == 1) 175 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE; 176 else if (rtlpriv->psc.reg_fwctrl_lps == 2) 177 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE; 178 else if (rtlpriv->psc.reg_fwctrl_lps == 3) 179 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE; 180 181 /* for firmware buf */ 182 rtlpriv->rtlhal.pfirmware = vzalloc(sizeof(struct rt_firmware)); 183 if (!rtlpriv->rtlhal.pfirmware) 184 return 1; 185 186 rtlpriv->max_fw_size = RTL8190_MAX_FIRMWARE_CODE_SIZE*2 + 187 sizeof(struct fw_hdr); 188 pr_info("Driver for Realtek RTL8192SE/RTL8191SE\n" 189 "Loading firmware %s\n", fw_name); 190 /* request fw */ 191 err = request_firmware_nowait(THIS_MODULE, 1, fw_name, 192 rtlpriv->io.dev, GFP_KERNEL, hw, 193 rtl92se_fw_cb); 194 if (err) { 195 pr_err("Failed to request firmware!\n"); 196 vfree(rtlpriv->rtlhal.pfirmware); 197 rtlpriv->rtlhal.pfirmware = NULL; 198 return 1; 199 } 200 201 return err; 202 } 203 204 static void rtl92s_deinit_sw_vars(struct ieee80211_hw *hw) 205 { 206 struct rtl_priv *rtlpriv = rtl_priv(hw); 207 208 if (rtlpriv->rtlhal.pfirmware) { 209 vfree(rtlpriv->rtlhal.pfirmware); 210 rtlpriv->rtlhal.pfirmware = NULL; 211 } 212 } 213 214 static bool rtl92se_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, 215 u16 index) 216 { 217 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 218 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 219 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 220 u8 own = (u8)rtl92se_get_desc(hw, entry, true, HW_DESC_OWN); 221 222 if (own) 223 return false; 224 return true; 225 } 226 227 static struct rtl_hal_ops rtl8192se_hal_ops = { 228 .init_sw_vars = rtl92s_init_sw_vars, 229 .deinit_sw_vars = rtl92s_deinit_sw_vars, 230 .read_eeprom_info = rtl92se_read_eeprom_info, 231 .interrupt_recognized = rtl92se_interrupt_recognized, 232 .hw_init = rtl92se_hw_init, 233 .hw_disable = rtl92se_card_disable, 234 .hw_suspend = rtl92se_suspend, 235 .hw_resume = rtl92se_resume, 236 .enable_interrupt = rtl92se_enable_interrupt, 237 .disable_interrupt = rtl92se_disable_interrupt, 238 .set_network_type = rtl92se_set_network_type, 239 .set_chk_bssid = rtl92se_set_check_bssid, 240 .set_qos = rtl92se_set_qos, 241 .set_bcn_reg = rtl92se_set_beacon_related_registers, 242 .set_bcn_intv = rtl92se_set_beacon_interval, 243 .update_interrupt_mask = rtl92se_update_interrupt_mask, 244 .get_hw_reg = rtl92se_get_hw_reg, 245 .set_hw_reg = rtl92se_set_hw_reg, 246 .update_rate_tbl = rtl92se_update_hal_rate_tbl, 247 .fill_tx_desc = rtl92se_tx_fill_desc, 248 .fill_tx_cmddesc = rtl92se_tx_fill_cmddesc, 249 .query_rx_desc = rtl92se_rx_query_desc, 250 .set_channel_access = rtl92se_update_channel_access_setting, 251 .radio_onoff_checking = rtl92se_gpio_radio_on_off_checking, 252 .set_bw_mode = rtl92s_phy_set_bw_mode, 253 .switch_channel = rtl92s_phy_sw_chnl, 254 .dm_watchdog = rtl92s_dm_watchdog, 255 .scan_operation_backup = rtl92s_phy_scan_operation_backup, 256 .set_rf_power_state = rtl92s_phy_set_rf_power_state, 257 .led_control = rtl92se_led_control, 258 .set_desc = rtl92se_set_desc, 259 .get_desc = rtl92se_get_desc, 260 .is_tx_desc_closed = rtl92se_is_tx_desc_closed, 261 .tx_polling = rtl92se_tx_polling, 262 .enable_hw_sec = rtl92se_enable_hw_security_config, 263 .set_key = rtl92se_set_key, 264 .init_sw_leds = rtl92se_init_sw_leds, 265 .get_bbreg = rtl92s_phy_query_bb_reg, 266 .set_bbreg = rtl92s_phy_set_bb_reg, 267 .get_rfreg = rtl92s_phy_query_rf_reg, 268 .set_rfreg = rtl92s_phy_set_rf_reg, 269 .get_btc_status = rtl_btc_status_false, 270 }; 271 272 static struct rtl_mod_params rtl92se_mod_params = { 273 .sw_crypto = false, 274 .inactiveps = true, 275 .swctrl_lps = true, 276 .fwctrl_lps = false, 277 .aspm_support = 2, 278 .debug_level = 0, 279 .debug_mask = 0, 280 }; 281 282 /* Because memory R/W bursting will cause system hang/crash 283 * for 92se, so we don't read back after every write action */ 284 static const struct rtl_hal_cfg rtl92se_hal_cfg = { 285 .bar_id = 1, 286 .write_readback = false, 287 .name = "rtl92s_pci", 288 .ops = &rtl8192se_hal_ops, 289 .mod_params = &rtl92se_mod_params, 290 291 .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL, 292 .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN, 293 .maps[SYS_CLK] = SYS_CLKR, 294 .maps[MAC_RCR_AM] = RCR_AM, 295 .maps[MAC_RCR_AB] = RCR_AB, 296 .maps[MAC_RCR_ACRC32] = RCR_ACRC32, 297 .maps[MAC_RCR_ACF] = RCR_ACF, 298 .maps[MAC_RCR_AAP] = RCR_AAP, 299 .maps[MAC_HIMR] = INTA_MASK, 300 .maps[MAC_HIMRE] = INTA_MASK + 4, 301 302 .maps[EFUSE_TEST] = REG_EFUSE_TEST, 303 .maps[EFUSE_CTRL] = REG_EFUSE_CTRL, 304 .maps[EFUSE_CLK] = REG_EFUSE_CLK, 305 .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL, 306 .maps[EFUSE_PWC_EV12V] = 0, /* nouse for 8192se */ 307 .maps[EFUSE_FEN_ELDR] = 0, /* nouse for 8192se */ 308 .maps[EFUSE_LOADER_CLK_EN] = 0,/* nouse for 8192se */ 309 .maps[EFUSE_ANA8M] = EFUSE_ANA8M, 310 .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE_92S, 311 .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION, 312 .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN, 313 .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES, 314 315 .maps[RWCAM] = REG_RWCAM, 316 .maps[WCAMI] = REG_WCAMI, 317 .maps[RCAMO] = REG_RCAMO, 318 .maps[CAMDBG] = REG_CAMDBG, 319 .maps[SECR] = REG_SECR, 320 .maps[SEC_CAM_NONE] = CAM_NONE, 321 .maps[SEC_CAM_WEP40] = CAM_WEP40, 322 .maps[SEC_CAM_TKIP] = CAM_TKIP, 323 .maps[SEC_CAM_AES] = CAM_AES, 324 .maps[SEC_CAM_WEP104] = CAM_WEP104, 325 326 .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6, 327 .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5, 328 .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4, 329 .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3, 330 .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2, 331 .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1, 332 .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8, 333 .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7, 334 .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6, 335 .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5, 336 .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4, 337 .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3, 338 .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2, 339 .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1, 340 .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2, 341 .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1, 342 343 .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW, 344 .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT, 345 .maps[RTL_IMR_BCNINT] = IMR_BCNINT, 346 .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW, 347 .maps[RTL_IMR_RDU] = IMR_RDU, 348 .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND, 349 .maps[RTL_IMR_BDOK] = IMR_BDOK, 350 .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK, 351 .maps[RTL_IMR_TBDER] = IMR_TBDER, 352 .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK, 353 .maps[RTL_IMR_COMDOK] = IMR_COMDOK, 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_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER), 361 362 .maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M, 363 .maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M, 364 .maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M, 365 .maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M, 366 .maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M, 367 .maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M, 368 .maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M, 369 .maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M, 370 .maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M, 371 .maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M, 372 .maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M, 373 .maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M, 374 375 .maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7, 376 .maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15, 377 }; 378 379 static const struct pci_device_id rtl92se_pci_ids[] = { 380 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8192, rtl92se_hal_cfg)}, 381 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8171, rtl92se_hal_cfg)}, 382 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8172, rtl92se_hal_cfg)}, 383 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8173, rtl92se_hal_cfg)}, 384 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8174, rtl92se_hal_cfg)}, 385 {}, 386 }; 387 388 MODULE_DEVICE_TABLE(pci, rtl92se_pci_ids); 389 390 MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 391 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 392 MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>"); 393 MODULE_LICENSE("GPL"); 394 MODULE_DESCRIPTION("Realtek 8192S/8191S 802.11n PCI wireless"); 395 MODULE_FIRMWARE("rtlwifi/rtl8192sefw.bin"); 396 397 module_param_named(swenc, rtl92se_mod_params.sw_crypto, bool, 0444); 398 module_param_named(debug_level, rtl92se_mod_params.debug_level, int, 0644); 399 module_param_named(debug_mask, rtl92se_mod_params.debug_mask, ullong, 0644); 400 module_param_named(ips, rtl92se_mod_params.inactiveps, bool, 0444); 401 module_param_named(swlps, rtl92se_mod_params.swctrl_lps, bool, 0444); 402 module_param_named(fwlps, rtl92se_mod_params.fwctrl_lps, bool, 0444); 403 module_param_named(aspm, rtl92se_mod_params.aspm_support, int, 0444); 404 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n"); 405 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n"); 406 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 1)\n"); 407 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 0)\n"); 408 MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n"); 409 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)"); 410 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)"); 411 412 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume); 413 414 static struct pci_driver rtl92se_driver = { 415 .name = KBUILD_MODNAME, 416 .id_table = rtl92se_pci_ids, 417 .probe = rtl_pci_probe, 418 .remove = rtl_pci_disconnect, 419 .driver.pm = &rtlwifi_pm_ops, 420 }; 421 422 module_pci_driver(rtl92se_driver); 423