1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2014 Realtek Corporation.*/ 3 4 #include "../wifi.h" 5 #include "../core.h" 6 #include "../pci.h" 7 #include "reg.h" 8 #include "def.h" 9 #include "phy.h" 10 #include "dm.h" 11 #include "hw.h" 12 #include "fw.h" 13 #include "trx.h" 14 #include "led.h" 15 #include "table.h" 16 17 #include "../btcoexist/rtl_btc.h" 18 19 #include <linux/vmalloc.h> 20 #include <linux/module.h> 21 22 static void rtl92ee_init_aspm_vars(struct ieee80211_hw *hw) 23 { 24 struct rtl_priv *rtlpriv = rtl_priv(hw); 25 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 26 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 default to RTL8192CE:3 RTL8192E:2 35 */ 36 rtlpci->const_pci_aspm = 3; 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 /** 45 * In Hw/Sw Radio Off situation. 46 * 0 - Default, 47 * 1 - From ASPM setting without low Mac Pwr, 48 * 2 - From ASPM setting with low Mac Pwr, 49 * 3 - Bus D3 50 * set default to RTL8192CE:0 RTL8192SE:2 51 */ 52 rtlpci->const_hwsw_rfoff_d3 = 0; 53 54 /** 55 * This setting works for those device with 56 * backdoor ASPM setting such as EPHY setting. 57 * 0 - Not support ASPM, 58 * 1 - Support ASPM, 59 * 2 - According to chipset. 60 */ 61 rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support; 62 } 63 64 static int rtl92ee_init_sw_vars(struct ieee80211_hw *hw) 65 { 66 struct rtl_priv *rtlpriv = rtl_priv(hw); 67 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 68 int err = 0; 69 char *fw_name; 70 71 rtl92ee_bt_reg_init(hw); 72 rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support; 73 rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer(); 74 75 rtlpriv->dm.dm_initialgain_enable = true; 76 rtlpriv->dm.dm_flag = 0; 77 rtlpriv->dm.disable_framebursting = false; 78 rtlpci->transmit_config = CFENDFORM | BIT(15); 79 80 /*just 2.4G band*/ 81 rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G; 82 rtlpriv->rtlhal.bandset = BAND_ON_2_4G; 83 rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY; 84 85 rtlpci->receive_config = (RCR_APPFCS | 86 RCR_APP_MIC | 87 RCR_APP_ICV | 88 RCR_APP_PHYST_RXFF | 89 RCR_HTC_LOC_CTRL | 90 RCR_AMF | 91 RCR_ACF | 92 RCR_ACRC32 | 93 RCR_AB | 94 RCR_AM | 95 RCR_APM | 96 0); 97 98 rtlpci->irq_mask[0] = (u32)(IMR_PSTIMEOUT | 99 IMR_C2HCMD | 100 IMR_HIGHDOK | 101 IMR_MGNTDOK | 102 IMR_BKDOK | 103 IMR_BEDOK | 104 IMR_VIDOK | 105 IMR_VODOK | 106 IMR_RDU | 107 IMR_ROK | 108 0); 109 rtlpci->irq_mask[1] = (u32)(IMR_RXFOVW | 0); 110 111 /* for LPS & IPS */ 112 rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps; 113 rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps; 114 rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps; 115 rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support; 116 if (rtlpriv->cfg->mod_params->disable_watchdog) 117 pr_info("watchdog disabled\n"); 118 rtlpriv->psc.reg_fwctrl_lps = 3; 119 rtlpriv->psc.reg_max_lps_awakeintvl = 5; 120 /* for ASPM, you can close aspm through 121 * set const_support_pciaspm = 0 122 */ 123 rtl92ee_init_aspm_vars(hw); 124 125 if (rtlpriv->psc.reg_fwctrl_lps == 1) 126 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE; 127 else if (rtlpriv->psc.reg_fwctrl_lps == 2) 128 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE; 129 else if (rtlpriv->psc.reg_fwctrl_lps == 3) 130 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE; 131 132 /* for early mode */ 133 rtlpriv->rtlhal.earlymode_enable = false; 134 135 /*low power */ 136 rtlpriv->psc.low_power_enable = false; 137 138 /* for firmware buf */ 139 rtlpriv->rtlhal.pfirmware = vzalloc(0x8000); 140 if (!rtlpriv->rtlhal.pfirmware) { 141 pr_err("Can't alloc buffer for fw\n"); 142 return 1; 143 } 144 145 /* request fw */ 146 fw_name = "rtlwifi/rtl8192eefw.bin"; 147 148 rtlpriv->max_fw_size = 0x8000; 149 pr_info("Using firmware %s\n", fw_name); 150 err = request_firmware_nowait(THIS_MODULE, 1, fw_name, 151 rtlpriv->io.dev, GFP_KERNEL, hw, 152 rtl_fw_cb); 153 if (err) { 154 pr_err("Failed to request firmware!\n"); 155 vfree(rtlpriv->rtlhal.pfirmware); 156 rtlpriv->rtlhal.pfirmware = NULL; 157 return 1; 158 } 159 160 return 0; 161 } 162 163 static void rtl92ee_deinit_sw_vars(struct ieee80211_hw *hw) 164 { 165 struct rtl_priv *rtlpriv = rtl_priv(hw); 166 167 if (rtlpriv->rtlhal.pfirmware) { 168 vfree(rtlpriv->rtlhal.pfirmware); 169 rtlpriv->rtlhal.pfirmware = NULL; 170 } 171 } 172 173 /* get bt coexist status */ 174 static bool rtl92ee_get_btc_status(void) 175 { 176 return true; 177 } 178 179 static struct rtl_hal_ops rtl8192ee_hal_ops = { 180 .init_sw_vars = rtl92ee_init_sw_vars, 181 .deinit_sw_vars = rtl92ee_deinit_sw_vars, 182 .read_eeprom_info = rtl92ee_read_eeprom_info, 183 .interrupt_recognized = rtl92ee_interrupt_recognized,/*need check*/ 184 .hw_init = rtl92ee_hw_init, 185 .hw_disable = rtl92ee_card_disable, 186 .hw_suspend = rtl92ee_suspend, 187 .hw_resume = rtl92ee_resume, 188 .enable_interrupt = rtl92ee_enable_interrupt, 189 .disable_interrupt = rtl92ee_disable_interrupt, 190 .set_network_type = rtl92ee_set_network_type, 191 .set_chk_bssid = rtl92ee_set_check_bssid, 192 .set_qos = rtl92ee_set_qos, 193 .set_bcn_reg = rtl92ee_set_beacon_related_registers, 194 .set_bcn_intv = rtl92ee_set_beacon_interval, 195 .update_interrupt_mask = rtl92ee_update_interrupt_mask, 196 .get_hw_reg = rtl92ee_get_hw_reg, 197 .set_hw_reg = rtl92ee_set_hw_reg, 198 .update_rate_tbl = rtl92ee_update_hal_rate_tbl, 199 .rx_desc_buff_remained_cnt = rtl92ee_rx_desc_buff_remained_cnt, 200 .rx_check_dma_ok = rtl92ee_rx_check_dma_ok, 201 .fill_tx_desc = rtl92ee_tx_fill_desc, 202 .fill_tx_cmddesc = rtl92ee_tx_fill_cmddesc, 203 .query_rx_desc = rtl92ee_rx_query_desc, 204 .set_channel_access = rtl92ee_update_channel_access_setting, 205 .radio_onoff_checking = rtl92ee_gpio_radio_on_off_checking, 206 .set_bw_mode = rtl92ee_phy_set_bw_mode, 207 .switch_channel = rtl92ee_phy_sw_chnl, 208 .dm_watchdog = rtl92ee_dm_watchdog, 209 .scan_operation_backup = rtl92ee_phy_scan_operation_backup, 210 .set_rf_power_state = rtl92ee_phy_set_rf_power_state, 211 .led_control = rtl92ee_led_control, 212 .set_desc = rtl92ee_set_desc, 213 .get_desc = rtl92ee_get_desc, 214 .is_tx_desc_closed = rtl92ee_is_tx_desc_closed, 215 .get_available_desc = rtl92ee_get_available_desc, 216 .tx_polling = rtl92ee_tx_polling, 217 .enable_hw_sec = rtl92ee_enable_hw_security_config, 218 .set_key = rtl92ee_set_key, 219 .get_bbreg = rtl92ee_phy_query_bb_reg, 220 .set_bbreg = rtl92ee_phy_set_bb_reg, 221 .get_rfreg = rtl92ee_phy_query_rf_reg, 222 .set_rfreg = rtl92ee_phy_set_rf_reg, 223 .fill_h2c_cmd = rtl92ee_fill_h2c_cmd, 224 .get_btc_status = rtl92ee_get_btc_status, 225 .c2h_ra_report_handler = rtl92ee_c2h_ra_report_handler, 226 }; 227 228 static struct rtl_mod_params rtl92ee_mod_params = { 229 .sw_crypto = false, 230 .inactiveps = true, 231 .swctrl_lps = false, 232 .fwctrl_lps = true, 233 .msi_support = true, 234 .dma64 = false, 235 .aspm_support = 1, 236 .debug_level = 0, 237 .debug_mask = 0, 238 }; 239 240 static const struct rtl_hal_cfg rtl92ee_hal_cfg = { 241 .bar_id = 2, 242 .write_readback = true, 243 .name = "rtl92ee_pci", 244 .ops = &rtl8192ee_hal_ops, 245 .mod_params = &rtl92ee_mod_params, 246 247 .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL, 248 .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN, 249 .maps[SYS_CLK] = REG_SYS_CLKR, 250 .maps[MAC_RCR_AM] = AM, 251 .maps[MAC_RCR_AB] = AB, 252 .maps[MAC_RCR_ACRC32] = ACRC32, 253 .maps[MAC_RCR_ACF] = ACF, 254 .maps[MAC_RCR_AAP] = AAP, 255 .maps[MAC_HIMR] = REG_HIMR, 256 .maps[MAC_HIMRE] = REG_HIMRE, 257 258 .maps[EFUSE_ACCESS] = REG_EFUSE_ACCESS, 259 260 .maps[EFUSE_TEST] = REG_EFUSE_TEST, 261 .maps[EFUSE_CTRL] = REG_EFUSE_CTRL, 262 .maps[EFUSE_CLK] = 0, 263 .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL, 264 .maps[EFUSE_PWC_EV12V] = PWC_EV12V, 265 .maps[EFUSE_FEN_ELDR] = FEN_ELDR, 266 .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN, 267 .maps[EFUSE_ANA8M] = ANA8M, 268 .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE, 269 .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION, 270 .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN, 271 .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES, 272 273 .maps[RWCAM] = REG_CAMCMD, 274 .maps[WCAMI] = REG_CAMWRITE, 275 .maps[RCAMO] = REG_CAMREAD, 276 .maps[CAMDBG] = REG_CAMDBG, 277 .maps[SECR] = REG_SECCFG, 278 .maps[SEC_CAM_NONE] = CAM_NONE, 279 .maps[SEC_CAM_WEP40] = CAM_WEP40, 280 .maps[SEC_CAM_TKIP] = CAM_TKIP, 281 .maps[SEC_CAM_AES] = CAM_AES, 282 .maps[SEC_CAM_WEP104] = CAM_WEP104, 283 284 .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6, 285 .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5, 286 .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4, 287 .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3, 288 .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2, 289 .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1, 290 .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7, 291 .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6, 292 .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5, 293 .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4, 294 .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3, 295 .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2, 296 .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1, 297 298 .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW, 299 .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT, 300 .maps[RTL_IMR_BCNINT] = IMR_BCNDMAINT0, 301 .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW, 302 .maps[RTL_IMR_RDU] = IMR_RDU, 303 .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND, 304 .maps[RTL_IMR_BDOK] = IMR_BCNDOK0, 305 .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK, 306 .maps[RTL_IMR_TBDER] = IMR_TBDER, 307 .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK, 308 .maps[RTL_IMR_TBDOK] = IMR_TBDOK, 309 .maps[RTL_IMR_BKDOK] = IMR_BKDOK, 310 .maps[RTL_IMR_BEDOK] = IMR_BEDOK, 311 .maps[RTL_IMR_VIDOK] = IMR_VIDOK, 312 .maps[RTL_IMR_VODOK] = IMR_VODOK, 313 .maps[RTL_IMR_ROK] = IMR_ROK, 314 .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNDMAINT0 | IMR_TBDOK | IMR_TBDER), 315 316 .maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M, 317 .maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M, 318 .maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M, 319 .maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M, 320 .maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M, 321 .maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M, 322 .maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M, 323 .maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M, 324 .maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M, 325 .maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M, 326 .maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M, 327 .maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M, 328 329 .maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7, 330 .maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15, 331 }; 332 333 static const struct pci_device_id rtl92ee_pci_ids[] = { 334 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x818B, rtl92ee_hal_cfg)}, 335 {}, 336 }; 337 338 MODULE_DEVICE_TABLE(pci, rtl92ee_pci_ids); 339 340 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 341 MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>"); 342 MODULE_LICENSE("GPL"); 343 MODULE_DESCRIPTION("Realtek 8192EE 802.11n PCI wireless"); 344 MODULE_FIRMWARE("rtlwifi/rtl8192eefw.bin"); 345 346 module_param_named(swenc, rtl92ee_mod_params.sw_crypto, bool, 0444); 347 module_param_named(debug_level, rtl92ee_mod_params.debug_level, int, 0644); 348 module_param_named(debug_mask, rtl92ee_mod_params.debug_mask, ullong, 0644); 349 module_param_named(ips, rtl92ee_mod_params.inactiveps, bool, 0444); 350 module_param_named(swlps, rtl92ee_mod_params.swctrl_lps, bool, 0444); 351 module_param_named(fwlps, rtl92ee_mod_params.fwctrl_lps, bool, 0444); 352 module_param_named(msi, rtl92ee_mod_params.msi_support, bool, 0444); 353 module_param_named(dma64, rtl92ee_mod_params.dma64, bool, 0444); 354 module_param_named(aspm, rtl92ee_mod_params.aspm_support, int, 0444); 355 module_param_named(disable_watchdog, rtl92ee_mod_params.disable_watchdog, 356 bool, 0444); 357 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n"); 358 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n"); 359 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n"); 360 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n"); 361 MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 1)\n"); 362 MODULE_PARM_DESC(dma64, "Set to 1 to use DMA 64 (default 0)\n"); 363 MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n"); 364 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)"); 365 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)"); 366 MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n"); 367 368 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume); 369 370 static struct pci_driver rtl92ee_driver = { 371 .name = KBUILD_MODNAME, 372 .id_table = rtl92ee_pci_ids, 373 .probe = rtl_pci_probe, 374 .remove = rtl_pci_disconnect, 375 .driver.pm = &rtlwifi_pm_ops, 376 }; 377 378 module_pci_driver(rtl92ee_driver); 379