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 "trx.h" 15#include "led.h" 16 17#include <linux/module.h> 18 19static void rtl92s_init_aspm_vars(struct ieee80211_hw *hw) 20{ 21 struct rtl_priv *rtlpriv = rtl_priv(hw); 22 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 23 24 /*close ASPM for AMD defaultly */ 25 rtlpci->const_amdpci_aspm = 0; 26 27 /* ASPM PS mode. 28 * 0 - Disable ASPM, 29 * 1 - Enable ASPM without Clock Req, 30 * 2 - Enable ASPM with Clock Req, 31 * 3 - Alwyas Enable ASPM with Clock Req, 32 * 4 - Always Enable ASPM without Clock Req. 33 * set defult to RTL8192CE:3 RTL8192E:2 34 * */ 35 rtlpci->const_pci_aspm = 2; 36 37 /*Setting for PCI-E device */ 38 rtlpci->const_devicepci_aspm_setting = 0x03; 39 40 /*Setting for PCI-E bridge */ 41 rtlpci->const_hostpci_aspm_setting = 0x02; 42 43 /* In Hw/Sw Radio Off situation. 44 * 0 - Default, 45 * 1 - From ASPM setting without low Mac Pwr, 46 * 2 - From ASPM setting with low Mac Pwr, 47 * 3 - Bus D3 48 * set default to RTL8192CE:0 RTL8192SE:2 49 */ 50 rtlpci->const_hwsw_rfoff_d3 = 2; 51 52 /* This setting works for those device with 53 * backdoor ASPM setting such as EPHY setting. 54 * 0 - Not support ASPM, 55 * 1 - Support ASPM, 56 * 2 - According to chipset. 57 */ 58 rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support; 59} 60 61static void rtl92se_fw_cb(const struct firmware *firmware, void *context) 62{ 63 struct ieee80211_hw *hw = context; 64 struct rtl_priv *rtlpriv = rtl_priv(hw); 65 struct rt_firmware *pfirmware = NULL; 66 char *fw_name = "rtlwifi/rtl8192sefw.bin"; 67 68 rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD, 69 "Firmware callback routine entered!\n"); 70 complete(&rtlpriv->firmware_loading_complete); 71 if (!firmware) { 72 pr_err("Firmware %s not available\n", fw_name); 73 rtlpriv->max_fw_size = 0; 74 return; 75 } 76 if (firmware->size > rtlpriv->max_fw_size) { 77 pr_err("Firmware is too big!\n"); 78 rtlpriv->max_fw_size = 0; 79 release_firmware(firmware); 80 return; 81 } 82 pfirmware = (struct rt_firmware *)rtlpriv->rtlhal.pfirmware; 83 memcpy(pfirmware->sz_fw_tmpbuffer, firmware->data, firmware->size); 84 pfirmware->sz_fw_tmpbufferlen = firmware->size; 85 release_firmware(firmware); 86} 87 88static int rtl92s_init_sw_vars(struct ieee80211_hw *hw) 89{ 90 struct rtl_priv *rtlpriv = rtl_priv(hw); 91 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 92 int err = 0; 93 u16 earlyrxthreshold = 7; 94 char *fw_name = "rtlwifi/rtl8192sefw.bin"; 95 96 rtlpriv->dm.dm_initialgain_enable = true; 97 rtlpriv->dm.dm_flag = 0; 98 rtlpriv->dm.disable_framebursting = false; 99 rtlpriv->dm.thermalvalue = 0; 100 rtlpriv->dm.useramask = true; 101 102 /* compatible 5G band 91se just 2.4G band & smsp */ 103 rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G; 104 rtlpriv->rtlhal.bandset = BAND_ON_2_4G; 105 rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY; 106 107 rtlpci->transmit_config = 0; 108 109 rtlpci->receive_config = 110 RCR_APPFCS | 111 RCR_APWRMGT | 112 /*RCR_ADD3 |*/ 113 RCR_AMF | 114 RCR_ADF | 115 RCR_APP_MIC | 116 RCR_APP_ICV | 117 RCR_AICV | 118 /* Accept ICV error, CRC32 Error */ 119 RCR_ACRC32 | 120 RCR_AB | 121 /* Accept Broadcast, Multicast */ 122 RCR_AM | 123 /* Accept Physical match */ 124 RCR_APM | 125 /* Accept Destination Address packets */ 126 /*RCR_AAP |*/ 127 RCR_APP_PHYST_STAFF | 128 /* Accept PHY status */ 129 RCR_APP_PHYST_RXFF | 130 (earlyrxthreshold << RCR_FIFO_OFFSET); 131 132 rtlpci->irq_mask[0] = (u32) 133 (IMR_ROK | 134 IMR_VODOK | 135 IMR_VIDOK | 136 IMR_BEDOK | 137 IMR_BKDOK | 138 IMR_HCCADOK | 139 IMR_MGNTDOK | 140 IMR_COMDOK | 141 IMR_HIGHDOK | 142 IMR_BDOK | 143 IMR_RXCMDOK | 144 /*IMR_TIMEOUT0 |*/ 145 IMR_RDU | 146 IMR_RXFOVW | 147 IMR_BCNINT 148 /*| IMR_TXFOVW*/ 149 /*| IMR_TBDOK | 150 IMR_TBDER*/); 151 152 rtlpci->irq_mask[1] = (u32) 0; 153 154 rtlpci->shortretry_limit = 0x30; 155 rtlpci->longretry_limit = 0x30; 156 157 rtlpci->first_init = true; 158 159 /* for LPS & IPS */ 160 rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps; 161 rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps; 162 rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps; 163 if (!rtlpriv->psc.inactiveps) 164 pr_info("Power Save off (module option)\n"); 165 if (!rtlpriv->psc.fwctrl_lps) 166 pr_info("FW Power Save off (module option)\n"); 167 rtlpriv->psc.reg_fwctrl_lps = 3; 168 rtlpriv->psc.reg_max_lps_awakeintvl = 5; 169 /* for ASPM, you can close aspm through 170 * set const_support_pciaspm = 0 */ 171 rtl92s_init_aspm_vars(hw); 172 173 if (rtlpriv->psc.reg_fwctrl_lps == 1) 174 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE; 175 else if (rtlpriv->psc.reg_fwctrl_lps == 2) 176 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE; 177 else if (rtlpriv->psc.reg_fwctrl_lps == 3) 178 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE; 179 180 /* for firmware buf */ 181 rtlpriv->rtlhal.pfirmware = vzalloc(sizeof(struct rt_firmware)); 182 if (!rtlpriv->rtlhal.pfirmware) 183 return 1; 184 185 rtlpriv->max_fw_size = RTL8190_MAX_FIRMWARE_CODE_SIZE*2 + 186 sizeof(struct fw_hdr); 187 pr_info("Driver for Realtek RTL8192SE/RTL8191SE\n" 188 "Loading firmware %s\n", fw_name); 189 /* request fw */ 190 err = request_firmware_nowait(THIS_MODULE, 1, fw_name, 191 rtlpriv->io.dev, GFP_KERNEL, hw, 192 rtl92se_fw_cb); 193 if (err) { 194 pr_err("Failed to request firmware!\n"); 195 vfree(rtlpriv->rtlhal.pfirmware); 196 rtlpriv->rtlhal.pfirmware = NULL; 197 return 1; 198 } 199 200 return err; 201} 202 203static void rtl92s_deinit_sw_vars(struct ieee80211_hw *hw) 204{ 205 struct rtl_priv *rtlpriv = rtl_priv(hw); 206 207 if (rtlpriv->rtlhal.pfirmware) { 208 vfree(rtlpriv->rtlhal.pfirmware); 209 rtlpriv->rtlhal.pfirmware = NULL; 210 } 211} 212 213static bool rtl92se_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, 214 u16 index) 215{ 216 struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); 217 struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue]; 218 u8 *entry = (u8 *)(&ring->desc[ring->idx]); 219 u8 own = (u8)rtl92se_get_desc(hw, entry, true, HW_DESC_OWN); 220 221 if (own) 222 return false; 223 return true; 224} 225 226static struct rtl_hal_ops rtl8192se_hal_ops = { 227 .init_sw_vars = rtl92s_init_sw_vars, 228 .deinit_sw_vars = rtl92s_deinit_sw_vars, 229 .read_eeprom_info = rtl92se_read_eeprom_info, 230 .interrupt_recognized = rtl92se_interrupt_recognized, 231 .hw_init = rtl92se_hw_init, 232 .hw_disable = rtl92se_card_disable, 233 .hw_suspend = rtl92se_suspend, 234 .hw_resume = rtl92se_resume, 235 .enable_interrupt = rtl92se_enable_interrupt, 236 .disable_interrupt = rtl92se_disable_interrupt, 237 .set_network_type = rtl92se_set_network_type, 238 .set_chk_bssid = rtl92se_set_check_bssid, 239 .set_qos = rtl92se_set_qos, 240 .set_bcn_reg = rtl92se_set_beacon_related_registers, 241 .set_bcn_intv = rtl92se_set_beacon_interval, 242 .update_interrupt_mask = rtl92se_update_interrupt_mask, 243 .get_hw_reg = rtl92se_get_hw_reg, 244 .set_hw_reg = rtl92se_set_hw_reg, 245 .update_rate_tbl = rtl92se_update_hal_rate_tbl, 246 .fill_tx_desc = rtl92se_tx_fill_desc, 247 .fill_tx_cmddesc = rtl92se_tx_fill_cmddesc, 248 .query_rx_desc = rtl92se_rx_query_desc, 249 .set_channel_access = rtl92se_update_channel_access_setting, 250 .radio_onoff_checking = rtl92se_gpio_radio_on_off_checking, 251 .set_bw_mode = rtl92s_phy_set_bw_mode, 252 .switch_channel = rtl92s_phy_sw_chnl, 253 .dm_watchdog = rtl92s_dm_watchdog, 254 .scan_operation_backup = rtl92s_phy_scan_operation_backup, 255 .set_rf_power_state = rtl92s_phy_set_rf_power_state, 256 .led_control = rtl92se_led_control, 257 .set_desc = rtl92se_set_desc, 258 .get_desc = rtl92se_get_desc, 259 .is_tx_desc_closed = rtl92se_is_tx_desc_closed, 260 .tx_polling = rtl92se_tx_polling, 261 .enable_hw_sec = rtl92se_enable_hw_security_config, 262 .set_key = rtl92se_set_key, 263 .init_sw_leds = rtl92se_init_sw_leds, 264 .get_bbreg = rtl92s_phy_query_bb_reg, 265 .set_bbreg = rtl92s_phy_set_bb_reg, 266 .get_rfreg = rtl92s_phy_query_rf_reg, 267 .set_rfreg = rtl92s_phy_set_rf_reg, 268 .get_btc_status = rtl_btc_status_false, 269}; 270 271static struct rtl_mod_params rtl92se_mod_params = { 272 .sw_crypto = false, 273 .inactiveps = true, 274 .swctrl_lps = true, 275 .fwctrl_lps = false, 276 .aspm_support = 2, 277 .debug_level = 0, 278 .debug_mask = 0, 279}; 280 281/* Because memory R/W bursting will cause system hang/crash 282 * for 92se, so we don't read back after every write action */ 283static const struct rtl_hal_cfg rtl92se_hal_cfg = { 284 .bar_id = 1, 285 .write_readback = false, 286 .name = "rtl92s_pci", 287 .ops = &rtl8192se_hal_ops, 288 .mod_params = &rtl92se_mod_params, 289 290 .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL, 291 .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN, 292 .maps[SYS_CLK] = SYS_CLKR, 293 .maps[MAC_RCR_AM] = RCR_AM, 294 .maps[MAC_RCR_AB] = RCR_AB, 295 .maps[MAC_RCR_ACRC32] = RCR_ACRC32, 296 .maps[MAC_RCR_ACF] = RCR_ACF, 297 .maps[MAC_RCR_AAP] = RCR_AAP, 298 .maps[MAC_HIMR] = INTA_MASK, 299 .maps[MAC_HIMRE] = INTA_MASK + 4, 300 301 .maps[EFUSE_TEST] = REG_EFUSE_TEST, 302 .maps[EFUSE_CTRL] = REG_EFUSE_CTRL, 303 .maps[EFUSE_CLK] = REG_EFUSE_CLK, 304 .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL, 305 .maps[EFUSE_PWC_EV12V] = 0, /* nouse for 8192se */ 306 .maps[EFUSE_FEN_ELDR] = 0, /* nouse for 8192se */ 307 .maps[EFUSE_LOADER_CLK_EN] = 0,/* nouse for 8192se */ 308 .maps[EFUSE_ANA8M] = EFUSE_ANA8M, 309 .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE_92S, 310 .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION, 311 .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN, 312 .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES, 313 314 .maps[RWCAM] = REG_RWCAM, 315 .maps[WCAMI] = REG_WCAMI, 316 .maps[RCAMO] = REG_RCAMO, 317 .maps[CAMDBG] = REG_CAMDBG, 318 .maps[SECR] = REG_SECR, 319 .maps[SEC_CAM_NONE] = CAM_NONE, 320 .maps[SEC_CAM_WEP40] = CAM_WEP40, 321 .maps[SEC_CAM_TKIP] = CAM_TKIP, 322 .maps[SEC_CAM_AES] = CAM_AES, 323 .maps[SEC_CAM_WEP104] = CAM_WEP104, 324 325 .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6, 326 .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5, 327 .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4, 328 .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3, 329 .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2, 330 .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1, 331 .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8, 332 .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7, 333 .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6, 334 .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5, 335 .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4, 336 .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3, 337 .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2, 338 .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1, 339 .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2, 340 .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1, 341 342 .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW, 343 .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT, 344 .maps[RTL_IMR_BCNINT] = IMR_BCNINT, 345 .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW, 346 .maps[RTL_IMR_RDU] = IMR_RDU, 347 .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND, 348 .maps[RTL_IMR_BDOK] = IMR_BDOK, 349 .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK, 350 .maps[RTL_IMR_TBDER] = IMR_TBDER, 351 .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK, 352 .maps[RTL_IMR_COMDOK] = IMR_COMDOK, 353 .maps[RTL_IMR_TBDOK] = IMR_TBDOK, 354 .maps[RTL_IMR_BKDOK] = IMR_BKDOK, 355 .maps[RTL_IMR_BEDOK] = IMR_BEDOK, 356 .maps[RTL_IMR_VIDOK] = IMR_VIDOK, 357 .maps[RTL_IMR_VODOK] = IMR_VODOK, 358 .maps[RTL_IMR_ROK] = IMR_ROK, 359 .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER), 360 361 .maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M, 362 .maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M, 363 .maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M, 364 .maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M, 365 .maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M, 366 .maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M, 367 .maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M, 368 .maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M, 369 .maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M, 370 .maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M, 371 .maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M, 372 .maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M, 373 374 .maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7, 375 .maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15, 376}; 377 378static const struct pci_device_id rtl92se_pci_ids[] = { 379 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8192, rtl92se_hal_cfg)}, 380 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8171, rtl92se_hal_cfg)}, 381 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8172, rtl92se_hal_cfg)}, 382 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8173, rtl92se_hal_cfg)}, 383 {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8174, rtl92se_hal_cfg)}, 384 {}, 385}; 386 387MODULE_DEVICE_TABLE(pci, rtl92se_pci_ids); 388 389MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); 390MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 391MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>"); 392MODULE_LICENSE("GPL"); 393MODULE_DESCRIPTION("Realtek 8192S/8191S 802.11n PCI wireless"); 394MODULE_FIRMWARE("rtlwifi/rtl8192sefw.bin"); 395 396module_param_named(swenc, rtl92se_mod_params.sw_crypto, bool, 0444); 397module_param_named(debug_level, rtl92se_mod_params.debug_level, int, 0644); 398module_param_named(debug_mask, rtl92se_mod_params.debug_mask, ullong, 0644); 399module_param_named(ips, rtl92se_mod_params.inactiveps, bool, 0444); 400module_param_named(swlps, rtl92se_mod_params.swctrl_lps, bool, 0444); 401module_param_named(fwlps, rtl92se_mod_params.fwctrl_lps, bool, 0444); 402module_param_named(aspm, rtl92se_mod_params.aspm_support, int, 0444); 403MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n"); 404MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n"); 405MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 1)\n"); 406MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 0)\n"); 407MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n"); 408MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)"); 409MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)"); 410 411static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume); 412 413static struct pci_driver rtl92se_driver = { 414 .name = KBUILD_MODNAME, 415 .id_table = rtl92se_pci_ids, 416 .probe = rtl_pci_probe, 417 .remove = rtl_pci_disconnect, 418 .driver.pm = &rtlwifi_pm_ops, 419}; 420 421module_pci_driver(rtl92se_driver); 422