drivers/net/wireless/rtlwifi/rtl8192se/sw.c

   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  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  * wlanfae <wlanfae@realtek.com>
  23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24  * Hsinchu 300, Taiwan.
  25  *
  26  * Larry Finger <Larry.Finger@lwfinger.net>
  27  *
  28  *****************************************************************************/
  29
  30 #include "../wifi.h"
  31 #include "../core.h"
  32 #include "../base.h"
  33 #include "../pci.h"
  34 #include "reg.h"
  35 #include "def.h"
  36 #include "phy.h"
  37 #include "dm.h"
  38 #include "fw.h"
  39 #include "hw.h"
  40 #include "sw.h"
  41 #include "trx.h"
  42 #include "led.h"
  43
  44 #include <linux/module.h>
  45
  46 static void rtl92s_init_aspm_vars(struct ieee80211_hw *hw)
  47 {
  48         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
  49
  50         /*close ASPM for AMD defaultly */
  51         rtlpci->const_amdpci_aspm = 0;
  52
  53         /* ASPM PS mode.
  54          * 0 - Disable ASPM,
  55          * 1 - Enable ASPM without Clock Req,
  56          * 2 - Enable ASPM with Clock Req,
  57          * 3 - Alwyas Enable ASPM with Clock Req,
  58          * 4 - Always Enable ASPM without Clock Req.
  59          * set defult to RTL8192CE:3 RTL8192E:2
  60          * */
  61         rtlpci->const_pci_aspm = 2;
  62
  63         /*Setting for PCI-E device */
  64         rtlpci->const_devicepci_aspm_setting = 0x03;
  65
  66         /*Setting for PCI-E bridge */
  67         rtlpci->const_hostpci_aspm_setting = 0x02;
  68
  69         /* In Hw/Sw Radio Off situation.
  70          * 0 - Default,
  71          * 1 - From ASPM setting without low Mac Pwr,
  72          * 2 - From ASPM setting with low Mac Pwr,
  73          * 3 - Bus D3
  74          * set default to RTL8192CE:0 RTL8192SE:2
  75          */
  76         rtlpci->const_hwsw_rfoff_d3 = 2;
  77
  78         /* This setting works for those device with
  79          * backdoor ASPM setting such as EPHY setting.
  80          * 0 - Not support ASPM,
  81          * 1 - Support ASPM,
  82          * 2 - According to chipset.
  83          */
  84         rtlpci->const_support_pciaspm = 2;
  85 }
  86
  87 static void rtl92se_fw_cb(const struct firmware *firmware, void *context)
  88 {
  89         struct ieee80211_hw *hw = context;
  90         struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
  91         struct rtl_priv *rtlpriv = rtl_priv(hw);
  92         struct rtl_pci *rtlpci = rtl_pcidev(pcipriv);
  93         struct rt_firmware *pfirmware = NULL;
  94         int err;
  95
  96         RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  97                          "Firmware callback routine entered!\n");
  98         complete(&rtlpriv->firmware_loading_complete);
  99         if (!firmware) {
 100                 pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
 101                 rtlpriv->max_fw_size = 0;
 102                 return;
 103         }
 104         if (firmware->size > rtlpriv->max_fw_size) {
 105                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 106                          "Firmware is too big!\n");
 107                 rtlpriv->max_fw_size = 0;
 108                 release_firmware(firmware);
 109                 return;
 110         }
 111         pfirmware = (struct rt_firmware *)rtlpriv->rtlhal.pfirmware;
 112         memcpy(pfirmware->sz_fw_tmpbuffer, firmware->data, firmware->size);
 113         pfirmware->sz_fw_tmpbufferlen = firmware->size;
 114         release_firmware(firmware);
 115
 116         err = ieee80211_register_hw(hw);
 117         if (err) {
 118                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 119                          "Can't register mac80211 hw\n");
 120                 return;
 121         } else {
 122                 rtlpriv->mac80211.mac80211_registered = 1;
 123         }
 124         rtlpci->irq_alloc = 1;
 125         set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
 126
 127         /*init rfkill */
 128         rtl_init_rfkill(hw);
 129 }
 130
 131 static int rtl92s_init_sw_vars(struct ieee80211_hw *hw)
 132 {
 133         struct rtl_priv *rtlpriv = rtl_priv(hw);
 134         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 135         int err = 0;
 136         u16 earlyrxthreshold = 7;
 137
 138         rtlpriv->dm.dm_initialgain_enable = true;
 139         rtlpriv->dm.dm_flag = 0;
 140         rtlpriv->dm.disable_framebursting = false;
 141         rtlpriv->dm.thermalvalue = 0;
 142         rtlpriv->dm.useramask = true;
 143
 144         /* compatible 5G band 91se just 2.4G band & smsp */
 145         rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
 146         rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
 147         rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
 148
 149         rtlpci->transmit_config = 0;
 150
 151         rtlpci->receive_config =
 152                         RCR_APPFCS |
 153                         RCR_APWRMGT |
 154                         /*RCR_ADD3 |*/
 155                         RCR_AMF |
 156                         RCR_ADF |
 157                         RCR_APP_MIC |
 158                         RCR_APP_ICV |
 159                         RCR_AICV |
 160                         /* Accept ICV error, CRC32 Error */
 161                         RCR_ACRC32 |
 162                         RCR_AB |
 163                         /* Accept Broadcast, Multicast */
 164                         RCR_AM  |
 165                         /* Accept Physical match */
 166                         RCR_APM |
 167                         /* Accept Destination Address packets */
 168                         /*RCR_AAP |*/
 169                         RCR_APP_PHYST_STAFF |
 170                         /* Accept PHY status */
 171                         RCR_APP_PHYST_RXFF |
 172                         (earlyrxthreshold << RCR_FIFO_OFFSET);
 173
 174         rtlpci->irq_mask[0] = (u32)
 175                         (IMR_ROK |
 176                         IMR_VODOK |
 177                         IMR_VIDOK |
 178                         IMR_BEDOK |
 179                         IMR_BKDOK |
 180                         IMR_HCCADOK |
 181                         IMR_MGNTDOK |
 182                         IMR_COMDOK |
 183                         IMR_HIGHDOK |
 184                         IMR_BDOK |
 185                         IMR_RXCMDOK |
 186                         /*IMR_TIMEOUT0 |*/
 187                         IMR_RDU |
 188                         IMR_RXFOVW      |
 189                         IMR_BCNINT
 190                         /*| IMR_TXFOVW*/
 191                         /*| IMR_TBDOK |
 192                         IMR_TBDER*/);
 193
 194         rtlpci->irq_mask[1] = (u32) 0;
 195
 196         rtlpci->shortretry_limit = 0x30;
 197         rtlpci->longretry_limit = 0x30;
 198
 199         rtlpci->first_init = true;
 200
 201         /* for debug level */
 202         rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
 203         /* for LPS & IPS */
 204         rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
 205         rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
 206         rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
 207         if (!rtlpriv->psc.inactiveps)
 208                 pr_info("Power Save off (module option)\n");
 209         if (!rtlpriv->psc.fwctrl_lps)
 210                 pr_info("FW Power Save off (module option)\n");
 211         rtlpriv->psc.reg_fwctrl_lps = 3;
 212         rtlpriv->psc.reg_max_lps_awakeintvl = 5;
 213         /* for ASPM, you can close aspm through
 214          * set const_support_pciaspm = 0 */
 215         rtl92s_init_aspm_vars(hw);
 216
 217         if (rtlpriv->psc.reg_fwctrl_lps == 1)
 218                 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
 219         else if (rtlpriv->psc.reg_fwctrl_lps == 2)
 220                 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
 221         else if (rtlpriv->psc.reg_fwctrl_lps == 3)
 222                 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
 223
 224         /* for firmware buf */
 225         rtlpriv->rtlhal.pfirmware = vzalloc(sizeof(struct rt_firmware));
 226         if (!rtlpriv->rtlhal.pfirmware)
 227                 return 1;
 228
 229         rtlpriv->max_fw_size = RTL8190_MAX_RAW_FIRMWARE_CODE_SIZE;
 230
 231         pr_info("Driver for Realtek RTL8192SE/RTL8191SE\n"
 232                 "Loading firmware %s\n", rtlpriv->cfg->fw_name);
 233         /* request fw */
 234         err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
 235                                       rtlpriv->io.dev, GFP_KERNEL, hw,
 236                                       rtl92se_fw_cb);
 237         if (err) {
 238                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 239                          "Failed to request firmware!\n");
 240                 return 1;
 241         }
 242
 243         return err;
 244 }
 245
 246 static void rtl92s_deinit_sw_vars(struct ieee80211_hw *hw)
 247 {
 248         struct rtl_priv *rtlpriv = rtl_priv(hw);
 249
 250         if (rtlpriv->rtlhal.pfirmware) {
 251                 vfree(rtlpriv->rtlhal.pfirmware);
 252                 rtlpriv->rtlhal.pfirmware = NULL;
 253         }
 254 }
 255
 256 static struct rtl_hal_ops rtl8192se_hal_ops = {
 257         .init_sw_vars = rtl92s_init_sw_vars,
 258         .deinit_sw_vars = rtl92s_deinit_sw_vars,
 259         .read_eeprom_info = rtl92se_read_eeprom_info,
 260         .interrupt_recognized = rtl92se_interrupt_recognized,
 261         .hw_init = rtl92se_hw_init,
 262         .hw_disable = rtl92se_card_disable,
 263         .hw_suspend = rtl92se_suspend,
 264         .hw_resume = rtl92se_resume,
 265         .enable_interrupt = rtl92se_enable_interrupt,
 266         .disable_interrupt = rtl92se_disable_interrupt,
 267         .set_network_type = rtl92se_set_network_type,
 268         .set_chk_bssid = rtl92se_set_check_bssid,
 269         .set_qos = rtl92se_set_qos,
 270         .set_bcn_reg = rtl92se_set_beacon_related_registers,
 271         .set_bcn_intv = rtl92se_set_beacon_interval,
 272         .update_interrupt_mask = rtl92se_update_interrupt_mask,
 273         .get_hw_reg = rtl92se_get_hw_reg,
 274         .set_hw_reg = rtl92se_set_hw_reg,
 275         .update_rate_tbl = rtl92se_update_hal_rate_tbl,
 276         .fill_tx_desc = rtl92se_tx_fill_desc,
 277         .fill_tx_cmddesc = rtl92se_tx_fill_cmddesc,
 278         .query_rx_desc = rtl92se_rx_query_desc,
 279         .set_channel_access = rtl92se_update_channel_access_setting,
 280         .radio_onoff_checking = rtl92se_gpio_radio_on_off_checking,
 281         .set_bw_mode = rtl92s_phy_set_bw_mode,
 282         .switch_channel = rtl92s_phy_sw_chnl,
 283         .dm_watchdog = rtl92s_dm_watchdog,
 284         .scan_operation_backup = rtl92s_phy_scan_operation_backup,
 285         .set_rf_power_state = rtl92s_phy_set_rf_power_state,
 286         .led_control = rtl92se_led_control,
 287         .set_desc = rtl92se_set_desc,
 288         .get_desc = rtl92se_get_desc,
 289         .tx_polling = rtl92se_tx_polling,
 290         .enable_hw_sec = rtl92se_enable_hw_security_config,
 291         .set_key = rtl92se_set_key,
 292         .init_sw_leds = rtl92se_init_sw_leds,
 293         .get_bbreg = rtl92s_phy_query_bb_reg,
 294         .set_bbreg = rtl92s_phy_set_bb_reg,
 295         .get_rfreg = rtl92s_phy_query_rf_reg,
 296         .set_rfreg = rtl92s_phy_set_rf_reg,
 297 };
 298
 299 static struct rtl_mod_params rtl92se_mod_params = {
 300         .sw_crypto = false,
 301         .inactiveps = true,
 302         .swctrl_lps = true,
 303         .fwctrl_lps = false,
 304         .debug = DBG_EMERG,
 305 };
 306
 307 /* Because memory R/W bursting will cause system hang/crash
 308  * for 92se, so we don't read back after every write action */
 309 static struct rtl_hal_cfg rtl92se_hal_cfg = {
 310         .bar_id = 1,
 311         .write_readback = false,
 312         .name = "rtl92s_pci",
 313         .fw_name = "rtlwifi/rtl8192sefw.bin",
 314         .ops = &rtl8192se_hal_ops,
 315         .mod_params = &rtl92se_mod_params,
 316
 317         .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
 318         .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
 319         .maps[SYS_CLK] = SYS_CLKR,
 320         .maps[MAC_RCR_AM] = RCR_AM,
 321         .maps[MAC_RCR_AB] = RCR_AB,
 322         .maps[MAC_RCR_ACRC32] = RCR_ACRC32,
 323         .maps[MAC_RCR_ACF] = RCR_ACF,
 324         .maps[MAC_RCR_AAP] = RCR_AAP,
 325
 326         .maps[EFUSE_TEST] = REG_EFUSE_TEST,
 327         .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
 328         .maps[EFUSE_CLK] = REG_EFUSE_CLK,
 329         .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
 330         .maps[EFUSE_PWC_EV12V] = 0, /* nouse for 8192se */
 331         .maps[EFUSE_FEN_ELDR] = 0, /* nouse for 8192se */
 332         .maps[EFUSE_LOADER_CLK_EN] = 0,/* nouse for 8192se */
 333         .maps[EFUSE_ANA8M] = EFUSE_ANA8M,
 334         .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE_92S,
 335         .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
 336         .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
 337         .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
 338
 339         .maps[RWCAM] = REG_RWCAM,
 340         .maps[WCAMI] = REG_WCAMI,
 341         .maps[RCAMO] = REG_RCAMO,
 342         .maps[CAMDBG] = REG_CAMDBG,
 343         .maps[SECR] = REG_SECR,
 344         .maps[SEC_CAM_NONE] = CAM_NONE,
 345         .maps[SEC_CAM_WEP40] = CAM_WEP40,
 346         .maps[SEC_CAM_TKIP] = CAM_TKIP,
 347         .maps[SEC_CAM_AES] = CAM_AES,
 348         .maps[SEC_CAM_WEP104] = CAM_WEP104,
 349
 350         .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
 351         .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
 352         .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
 353         .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
 354         .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
 355         .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
 356         .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
 357         .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
 358         .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
 359         .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
 360         .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
 361         .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
 362         .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
 363         .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
 364         .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
 365         .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
 366
 367         .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
 368         .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
 369         .maps[RTL_IMR_BCNINT] = IMR_BCNINT,
 370         .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
 371         .maps[RTL_IMR_RDU] = IMR_RDU,
 372         .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
 373         .maps[RTL_IMR_BDOK] = IMR_BDOK,
 374         .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
 375         .maps[RTL_IMR_TBDER] = IMR_TBDER,
 376         .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
 377         .maps[RTL_IMR_COMDOK] = IMR_COMDOK,
 378         .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
 379         .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
 380         .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
 381         .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
 382         .maps[RTL_IMR_VODOK] = IMR_VODOK,
 383         .maps[RTL_IMR_ROK] = IMR_ROK,
 384         .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER),
 385
 386         .maps[RTL_RC_CCK_RATE1M] = DESC92_RATE1M,
 387         .maps[RTL_RC_CCK_RATE2M] = DESC92_RATE2M,
 388         .maps[RTL_RC_CCK_RATE5_5M] = DESC92_RATE5_5M,
 389         .maps[RTL_RC_CCK_RATE11M] = DESC92_RATE11M,
 390         .maps[RTL_RC_OFDM_RATE6M] = DESC92_RATE6M,
 391         .maps[RTL_RC_OFDM_RATE9M] = DESC92_RATE9M,
 392         .maps[RTL_RC_OFDM_RATE12M] = DESC92_RATE12M,
 393         .maps[RTL_RC_OFDM_RATE18M] = DESC92_RATE18M,
 394         .maps[RTL_RC_OFDM_RATE24M] = DESC92_RATE24M,
 395         .maps[RTL_RC_OFDM_RATE36M] = DESC92_RATE36M,
 396         .maps[RTL_RC_OFDM_RATE48M] = DESC92_RATE48M,
 397         .maps[RTL_RC_OFDM_RATE54M] = DESC92_RATE54M,
 398
 399         .maps[RTL_RC_HT_RATEMCS7] = DESC92_RATEMCS7,
 400         .maps[RTL_RC_HT_RATEMCS15] = DESC92_RATEMCS15,
 401 };
 402
 403 static struct pci_device_id rtl92se_pci_ids[] = {
 404         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8192, rtl92se_hal_cfg)},
 405         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8171, rtl92se_hal_cfg)},
 406         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8172, rtl92se_hal_cfg)},
 407         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8173, rtl92se_hal_cfg)},
 408         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8174, rtl92se_hal_cfg)},
 409         {},
 410 };
 411
 412 MODULE_DEVICE_TABLE(pci, rtl92se_pci_ids);
 413
 414 MODULE_AUTHOR("lizhaoming       <chaoming_li@realsil.com.cn>");
 415 MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
 416 MODULE_AUTHOR("Larry Finger     <Larry.Finger@lwfinger.net>");
 417 MODULE_LICENSE("GPL");
 418 MODULE_DESCRIPTION("Realtek 8192S/8191S 802.11n PCI wireless");
 419 MODULE_FIRMWARE("rtlwifi/rtl8192sefw.bin");
 420
 421 module_param_named(swenc, rtl92se_mod_params.sw_crypto, bool, 0444);
 422 module_param_named(debug, rtl92se_mod_params.debug, int, 0444);
 423 module_param_named(ips, rtl92se_mod_params.inactiveps, bool, 0444);
 424 module_param_named(swlps, rtl92se_mod_params.swctrl_lps, bool, 0444);
 425 module_param_named(fwlps, rtl92se_mod_params.fwctrl_lps, bool, 0444);
 426 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
 427 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
 428 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
 429 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
 430 MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
 431
 432 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
 433
 434 static struct pci_driver rtl92se_driver = {
 435         .name = KBUILD_MODNAME,
 436         .id_table = rtl92se_pci_ids,
 437         .probe = rtl_pci_probe,
 438         .remove = rtl_pci_disconnect,
 439         .driver.pm = &rtlwifi_pm_ops,
 440 };
 441
 442 module_pci_driver(rtl92se_driver);