drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c

   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 "../pci.h"
   7 #include "../base.h"
   8 #include "reg.h"
   9 #include "def.h"
  10 #include "phy.h"
  11 #include "dm.h"
  12 #include "hw.h"
  13 #include "sw.h"
  14 #include "trx.h"
  15 #include "led.h"
  16
  17 #include <linux/module.h>
  18
  19 static void rtl92d_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         /*
  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 = 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 rtl92d_init_sw_vars(struct ieee80211_hw *hw)
  65 {
  66         int err;
  67         u8 tid;
  68         struct rtl_priv *rtlpriv = rtl_priv(hw);
  69         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
  70         char *fw_name = "rtlwifi/rtl8192defw.bin";
  71
  72         rtlpriv->dm.dm_initialgain_enable = true;
  73         rtlpriv->dm.dm_flag = 0;
  74         rtlpriv->dm.disable_framebursting = false;
  75         rtlpriv->dm.thermalvalue = 0;
  76         rtlpriv->dm.useramask = true;
  77
  78         /* dual mac */
  79         if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
  80                 rtlpriv->phy.current_channel = 36;
  81         else
  82                 rtlpriv->phy.current_channel = 1;
  83
  84         if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
  85                 rtlpriv->rtlhal.disable_amsdu_8k = true;
  86                 /* No long RX - reduce fragmentation */
  87                 rtlpci->rxbuffersize = 4096;
  88         }
  89
  90         rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
  91
  92         rtlpci->receive_config = (
  93                         RCR_APPFCS
  94                         | RCR_AMF
  95                         | RCR_ADF
  96                         | RCR_APP_MIC
  97                         | RCR_APP_ICV
  98                         | RCR_AICV
  99                         | RCR_ACRC32
 100                         | RCR_AB
 101                         | RCR_AM
 102                         | RCR_APM
 103                         | RCR_APP_PHYST_RXFF
 104                         | RCR_HTC_LOC_CTRL
 105         );
 106
 107         rtlpci->irq_mask[0] = (u32) (
 108                         IMR_ROK
 109                         | IMR_VODOK
 110                         | IMR_VIDOK
 111                         | IMR_BEDOK
 112                         | IMR_BKDOK
 113                         | IMR_MGNTDOK
 114                         | IMR_HIGHDOK
 115                         | IMR_BDOK
 116                         | IMR_RDU
 117                         | IMR_RXFOVW
 118         );
 119
 120         rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD);
 121
 122         /* for LPS & IPS */
 123         rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
 124         rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
 125         rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
 126         if (!rtlpriv->psc.inactiveps)
 127                 pr_info("Power Save off (module option)\n");
 128         if (!rtlpriv->psc.fwctrl_lps)
 129                 pr_info("FW Power Save off (module option)\n");
 130         rtlpriv->psc.reg_fwctrl_lps = 3;
 131         rtlpriv->psc.reg_max_lps_awakeintvl = 5;
 132         /* for ASPM, you can close aspm through
 133          * set const_support_pciaspm = 0 */
 134         rtl92d_init_aspm_vars(hw);
 135
 136         if (rtlpriv->psc.reg_fwctrl_lps == 1)
 137                 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
 138         else if (rtlpriv->psc.reg_fwctrl_lps == 2)
 139                 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
 140         else if (rtlpriv->psc.reg_fwctrl_lps == 3)
 141                 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
 142
 143         /* for early mode */
 144         rtlpriv->rtlhal.earlymode_enable = false;
 145         for (tid = 0; tid < 8; tid++)
 146                 skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
 147
 148         /* for firmware buf */
 149         rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
 150         if (!rtlpriv->rtlhal.pfirmware) {
 151                 pr_err("Can't alloc buffer for fw\n");
 152                 return 1;
 153         }
 154
 155         rtlpriv->max_fw_size = 0x8000;
 156         pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
 157         pr_info("Loading firmware file %s\n", fw_name);
 158
 159         /* request fw */
 160         err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
 161                                       rtlpriv->io.dev, GFP_KERNEL, hw,
 162                                       rtl_fw_cb);
 163         if (err) {
 164                 pr_err("Failed to request firmware!\n");
 165                 vfree(rtlpriv->rtlhal.pfirmware);
 166                 rtlpriv->rtlhal.pfirmware = NULL;
 167                 return 1;
 168         }
 169
 170         return 0;
 171 }
 172
 173 static void rtl92d_deinit_sw_vars(struct ieee80211_hw *hw)
 174 {
 175         struct rtl_priv *rtlpriv = rtl_priv(hw);
 176         u8 tid;
 177
 178         if (rtlpriv->rtlhal.pfirmware) {
 179                 vfree(rtlpriv->rtlhal.pfirmware);
 180                 rtlpriv->rtlhal.pfirmware = NULL;
 181         }
 182         for (tid = 0; tid < 8; tid++)
 183                 skb_queue_purge(&rtlpriv->mac80211.skb_waitq[tid]);
 184 }
 185
 186 static struct rtl_hal_ops rtl8192de_hal_ops = {
 187         .init_sw_vars = rtl92d_init_sw_vars,
 188         .deinit_sw_vars = rtl92d_deinit_sw_vars,
 189         .read_eeprom_info = rtl92de_read_eeprom_info,
 190         .interrupt_recognized = rtl92de_interrupt_recognized,
 191         .hw_init = rtl92de_hw_init,
 192         .hw_disable = rtl92de_card_disable,
 193         .hw_suspend = rtl92de_suspend,
 194         .hw_resume = rtl92de_resume,
 195         .enable_interrupt = rtl92de_enable_interrupt,
 196         .disable_interrupt = rtl92de_disable_interrupt,
 197         .set_network_type = rtl92de_set_network_type,
 198         .set_chk_bssid = rtl92de_set_check_bssid,
 199         .set_qos = rtl92de_set_qos,
 200         .set_bcn_reg = rtl92de_set_beacon_related_registers,
 201         .set_bcn_intv = rtl92de_set_beacon_interval,
 202         .update_interrupt_mask = rtl92de_update_interrupt_mask,
 203         .get_hw_reg = rtl92de_get_hw_reg,
 204         .set_hw_reg = rtl92de_set_hw_reg,
 205         .update_rate_tbl = rtl92de_update_hal_rate_tbl,
 206         .fill_tx_desc = rtl92de_tx_fill_desc,
 207         .fill_tx_cmddesc = rtl92de_tx_fill_cmddesc,
 208         .query_rx_desc = rtl92de_rx_query_desc,
 209         .set_channel_access = rtl92de_update_channel_access_setting,
 210         .radio_onoff_checking = rtl92de_gpio_radio_on_off_checking,
 211         .set_bw_mode = rtl92d_phy_set_bw_mode,
 212         .switch_channel = rtl92d_phy_sw_chnl,
 213         .dm_watchdog = rtl92d_dm_watchdog,
 214         .scan_operation_backup = rtl_phy_scan_operation_backup,
 215         .set_rf_power_state = rtl92d_phy_set_rf_power_state,
 216         .led_control = rtl92de_led_control,
 217         .set_desc = rtl92de_set_desc,
 218         .get_desc = rtl92de_get_desc,
 219         .is_tx_desc_closed = rtl92de_is_tx_desc_closed,
 220         .tx_polling = rtl92de_tx_polling,
 221         .enable_hw_sec = rtl92de_enable_hw_security_config,
 222         .set_key = rtl92de_set_key,
 223         .init_sw_leds = rtl92de_init_sw_leds,
 224         .get_bbreg = rtl92d_phy_query_bb_reg,
 225         .set_bbreg = rtl92d_phy_set_bb_reg,
 226         .get_rfreg = rtl92d_phy_query_rf_reg,
 227         .set_rfreg = rtl92d_phy_set_rf_reg,
 228         .linked_set_reg = rtl92d_linked_set_reg,
 229         .get_btc_status = rtl_btc_status_false,
 230 };
 231
 232 static struct rtl_mod_params rtl92de_mod_params = {
 233         .sw_crypto = false,
 234         .inactiveps = true,
 235         .swctrl_lps = true,
 236         .fwctrl_lps = false,
 237         .aspm_support = 1,
 238         .debug_level = 0,
 239         .debug_mask = 0,
 240 };
 241
 242 static const struct rtl_hal_cfg rtl92de_hal_cfg = {
 243         .bar_id = 2,
 244         .write_readback = true,
 245         .name = "rtl8192de",
 246         .ops = &rtl8192de_hal_ops,
 247         .mod_params = &rtl92de_mod_params,
 248
 249         .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
 250         .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
 251         .maps[SYS_CLK] = REG_SYS_CLKR,
 252         .maps[MAC_RCR_AM] = RCR_AM,
 253         .maps[MAC_RCR_AB] = RCR_AB,
 254         .maps[MAC_RCR_ACRC32] = RCR_ACRC32,
 255         .maps[MAC_RCR_ACF] = RCR_ACF,
 256         .maps[MAC_RCR_AAP] = RCR_AAP,
 257
 258         .maps[EFUSE_TEST] = REG_EFUSE_TEST,
 259         .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
 260         .maps[EFUSE_CLK] = 0,   /* just for 92se */
 261         .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
 262         .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
 263         .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
 264         .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
 265         .maps[EFUSE_ANA8M] = 0, /* just for 92se */
 266         .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
 267         .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
 268         .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
 269
 270         .maps[RWCAM] = REG_CAMCMD,
 271         .maps[WCAMI] = REG_CAMWRITE,
 272         .maps[RCAMO] = REG_CAMREAD,
 273         .maps[CAMDBG] = REG_CAMDBG,
 274         .maps[SECR] = REG_SECCFG,
 275         .maps[SEC_CAM_NONE] = CAM_NONE,
 276         .maps[SEC_CAM_WEP40] = CAM_WEP40,
 277         .maps[SEC_CAM_TKIP] = CAM_TKIP,
 278         .maps[SEC_CAM_AES] = CAM_AES,
 279         .maps[SEC_CAM_WEP104] = CAM_WEP104,
 280
 281         .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
 282         .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
 283         .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
 284         .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
 285         .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
 286         .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
 287         .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
 288         .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
 289         .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
 290         .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
 291         .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
 292         .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
 293         .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
 294         .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
 295         .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
 296         .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
 297
 298         .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
 299         .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
 300         .maps[RTL_IMR_BCNINT] = IMR_BCNINT,
 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_BDOK,
 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_BCNINT | IMR_TBDOK | IMR_TBDER),
 315
 316         .maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M,
 317         .maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M,
 318         .maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M,
 319         .maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M,
 320         .maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M,
 321         .maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M,
 322         .maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M,
 323         .maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M,
 324         .maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M,
 325         .maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M,
 326         .maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M,
 327         .maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M,
 328
 329         .maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7,
 330         .maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15,
 331 };
 332
 333 static const struct pci_device_id rtl92de_pci_ids[] = {
 334         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8193, rtl92de_hal_cfg)},
 335         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x002B, rtl92de_hal_cfg)},
 336         {},
 337 };
 338
 339 MODULE_DEVICE_TABLE(pci, rtl92de_pci_ids);
 340
 341 MODULE_AUTHOR("lizhaoming       <chaoming_li@realsil.com.cn>");
 342 MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
 343 MODULE_AUTHOR("Larry Finger     <Larry.Finger@lwfinger.net>");
 344 MODULE_LICENSE("GPL");
 345 MODULE_DESCRIPTION("Realtek 8192DE 802.11n Dual Mac PCI wireless");
 346 MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
 347
 348 module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
 349 module_param_named(debug_level, rtl92de_mod_params.debug_level, int, 0644);
 350 module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
 351 module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
 352 module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
 353 module_param_named(aspm, rtl92de_mod_params.aspm_support, int, 0444);
 354 module_param_named(debug_mask, rtl92de_mod_params.debug_mask, ullong, 0644);
 355 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
 356 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
 357 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 1)\n");
 358 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 0)\n");
 359 MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
 360 MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
 361 MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
 362
 363 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
 364
 365 static struct pci_driver rtl92de_driver = {
 366         .name = KBUILD_MODNAME,
 367         .id_table = rtl92de_pci_ids,
 368         .probe = rtl_pci_probe,
 369         .remove = rtl_pci_disconnect,
 370         .driver.pm = &rtlwifi_pm_ops,
 371 };
 372
 373 /* add global spin lock to solve the problem that
 374  * Dul mac register operation on the same time */
 375 spinlock_t globalmutex_power;
 376 spinlock_t globalmutex_for_fwdownload;
 377 spinlock_t globalmutex_for_power_and_efuse;
 378
 379 static int __init rtl92de_module_init(void)
 380 {
 381         int ret = 0;
 382
 383         spin_lock_init(&globalmutex_power);
 384         spin_lock_init(&globalmutex_for_fwdownload);
 385         spin_lock_init(&globalmutex_for_power_and_efuse);
 386
 387         ret = pci_register_driver(&rtl92de_driver);
 388         if (ret)
 389                 WARN_ONCE(true, "rtl8192de: No device found\n");
 390         return ret;
 391 }
 392
 393 static void __exit rtl92de_module_exit(void)
 394 {
 395         pci_unregister_driver(&rtl92de_driver);
 396 }
 397
 398 module_init(rtl92de_module_init);
 399 module_exit(rtl92de_module_exit);