drivers/net/wireless/rtlwifi/rtl8192ce/sw.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2010  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 <linux/vmalloc.h>
  31 #include <linux/module.h>
  32
  33 #include "../wifi.h"
  34 #include "../core.h"
  35 #include "../pci.h"
  36 #include "reg.h"
  37 #include "def.h"
  38 #include "phy.h"
  39 #include "dm.h"
  40 #include "hw.h"
  41 #include "rf.h"
  42 #include "sw.h"
  43 #include "trx.h"
  44 #include "led.h"
  45
  46 static void rtl92c_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         /*
  54          * ASPM PS mode.
  55          * 0 - Disable ASPM,
  56          * 1 - Enable ASPM without Clock Req,
  57          * 2 - Enable ASPM with Clock Req,
  58          * 3 - Alwyas Enable ASPM with Clock Req,
  59          * 4 - Always Enable ASPM without Clock Req.
  60          * set defult to RTL8192CE:3 RTL8192E:2
  61          * */
  62         rtlpci->const_pci_aspm = 3;
  63
  64         /*Setting for PCI-E device */
  65         rtlpci->const_devicepci_aspm_setting = 0x03;
  66
  67         /*Setting for PCI-E bridge */
  68         rtlpci->const_hostpci_aspm_setting = 0x02;
  69
  70         /*
  71          * In Hw/Sw Radio Off situation.
  72          * 0 - Default,
  73          * 1 - From ASPM setting without low Mac Pwr,
  74          * 2 - From ASPM setting with low Mac Pwr,
  75          * 3 - Bus D3
  76          * set default to RTL8192CE:0 RTL8192SE:2
  77          */
  78         rtlpci->const_hwsw_rfoff_d3 = 0;
  79
  80         /*
  81          * This setting works for those device with
  82          * backdoor ASPM setting such as EPHY setting.
  83          * 0 - Not support ASPM,
  84          * 1 - Support ASPM,
  85          * 2 - According to chipset.
  86          */
  87         rtlpci->const_support_pciaspm = 1;
  88 }
  89
  90 int rtl92c_init_sw_vars(struct ieee80211_hw *hw)
  91 {
  92         int err;
  93         struct rtl_priv *rtlpriv = rtl_priv(hw);
  94         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
  95         const struct firmware *firmware;
  96         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
  97         char *fw_name = NULL;
  98
  99         rtl8192ce_bt_reg_init(hw);
 100
 101         rtlpriv->dm.dm_initialgain_enable = 1;
 102         rtlpriv->dm.dm_flag = 0;
 103         rtlpriv->dm.disable_framebursting = 0;
 104         rtlpriv->dm.thermalvalue = 0;
 105         rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
 106
 107         /* compatible 5G band 88ce just 2.4G band & smsp */
 108         rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
 109         rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
 110         rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
 111
 112         rtlpci->receive_config = (RCR_APPFCS |
 113                                   RCR_AMF |
 114                                   RCR_ADF |
 115                                   RCR_APP_MIC |
 116                                   RCR_APP_ICV |
 117                                   RCR_AICV |
 118                                   RCR_ACRC32 |
 119                                   RCR_AB |
 120                                   RCR_AM |
 121                                   RCR_APM |
 122                                   RCR_APP_PHYST_RXFF | RCR_HTC_LOC_CTRL | 0);
 123
 124         rtlpci->irq_mask[0] =
 125             (u32) (IMR_ROK |
 126                    IMR_VODOK |
 127                    IMR_VIDOK |
 128                    IMR_BEDOK |
 129                    IMR_BKDOK |
 130                    IMR_MGNTDOK |
 131                    IMR_HIGHDOK | IMR_BDOK | IMR_RDU | IMR_RXFOVW | 0);
 132
 133         rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD | 0);
 134
 135         /* for debug level */
 136         rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
 137         /* for LPS & IPS */
 138         rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
 139         rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
 140         rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
 141         rtlpriv->cfg->mod_params->sw_crypto =
 142                 rtlpriv->cfg->mod_params->sw_crypto;
 143         if (!rtlpriv->psc.inactiveps)
 144                 pr_info("rtl8192ce: Power Save off (module option)\n");
 145         if (!rtlpriv->psc.fwctrl_lps)
 146                 pr_info("rtl8192ce: FW Power Save off (module option)\n");
 147         rtlpriv->psc.reg_fwctrl_lps = 3;
 148         rtlpriv->psc.reg_max_lps_awakeintvl = 5;
 149         /* for ASPM, you can close aspm through
 150          * set const_support_pciaspm = 0 */
 151         rtl92c_init_aspm_vars(hw);
 152
 153         if (rtlpriv->psc.reg_fwctrl_lps == 1)
 154                 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
 155         else if (rtlpriv->psc.reg_fwctrl_lps == 2)
 156                 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
 157         else if (rtlpriv->psc.reg_fwctrl_lps == 3)
 158                 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
 159
 160         /* for firmware buf */
 161         rtlpriv->rtlhal.pfirmware = vzalloc(0x4000);
 162         if (!rtlpriv->rtlhal.pfirmware) {
 163                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 164                          ("Can't alloc buffer for fw.\n"));
 165                 return 1;
 166         }
 167
 168         /* request fw */
 169         if (IS_VENDOR_UMC_A_CUT(rtlhal->version) &&
 170             !IS_92C_SERIAL(rtlhal->version)) {
 171                 fw_name = "rtlwifi/rtl8192cfwU.bin";
 172         } else if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version)) {
 173                 fw_name = "rtlwifi/rtl8192cfwU_B.bin";
 174                 pr_info("****** This B_CUT device may not work with kernels 3.6 and earlier\n");
 175         } else {
 176                 fw_name = rtlpriv->cfg->fw_name;
 177         }
 178         err = request_firmware(&firmware, fw_name, rtlpriv->io.dev);
 179         if (err) {
 180                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 181                          ("Failed to request firmware!\n"));
 182                 return 1;
 183         }
 184         if (firmware->size > 0x4000) {
 185                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 186                          ("Firmware is too big!\n"));
 187                 release_firmware(firmware);
 188                 return 1;
 189         }
 190         memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size);
 191         rtlpriv->rtlhal.fwsize = firmware->size;
 192         release_firmware(firmware);
 193
 194         return 0;
 195 }
 196
 197 void rtl92c_deinit_sw_vars(struct ieee80211_hw *hw)
 198 {
 199         struct rtl_priv *rtlpriv = rtl_priv(hw);
 200
 201         if (rtlpriv->rtlhal.pfirmware) {
 202                 vfree(rtlpriv->rtlhal.pfirmware);
 203                 rtlpriv->rtlhal.pfirmware = NULL;
 204         }
 205 }
 206
 207 static struct rtl_hal_ops rtl8192ce_hal_ops = {
 208         .init_sw_vars = rtl92c_init_sw_vars,
 209         .deinit_sw_vars = rtl92c_deinit_sw_vars,
 210         .read_eeprom_info = rtl92ce_read_eeprom_info,
 211         .interrupt_recognized = rtl92ce_interrupt_recognized,
 212         .hw_init = rtl92ce_hw_init,
 213         .hw_disable = rtl92ce_card_disable,
 214         .hw_suspend = rtl92ce_suspend,
 215         .hw_resume = rtl92ce_resume,
 216         .enable_interrupt = rtl92ce_enable_interrupt,
 217         .disable_interrupt = rtl92ce_disable_interrupt,
 218         .set_network_type = rtl92ce_set_network_type,
 219         .set_chk_bssid = rtl92ce_set_check_bssid,
 220         .set_qos = rtl92ce_set_qos,
 221         .set_bcn_reg = rtl92ce_set_beacon_related_registers,
 222         .set_bcn_intv = rtl92ce_set_beacon_interval,
 223         .update_interrupt_mask = rtl92ce_update_interrupt_mask,
 224         .get_hw_reg = rtl92ce_get_hw_reg,
 225         .set_hw_reg = rtl92ce_set_hw_reg,
 226         .update_rate_tbl = rtl92ce_update_hal_rate_tbl,
 227         .fill_tx_desc = rtl92ce_tx_fill_desc,
 228         .fill_tx_cmddesc = rtl92ce_tx_fill_cmddesc,
 229         .query_rx_desc = rtl92ce_rx_query_desc,
 230         .set_channel_access = rtl92ce_update_channel_access_setting,
 231         .radio_onoff_checking = rtl92ce_gpio_radio_on_off_checking,
 232         .set_bw_mode = rtl92c_phy_set_bw_mode,
 233         .switch_channel = rtl92c_phy_sw_chnl,
 234         .dm_watchdog = rtl92c_dm_watchdog,
 235         .scan_operation_backup = rtl92c_phy_scan_operation_backup,
 236         .set_rf_power_state = rtl92c_phy_set_rf_power_state,
 237         .led_control = rtl92ce_led_control,
 238         .set_desc = rtl92ce_set_desc,
 239         .get_desc = rtl92ce_get_desc,
 240         .tx_polling = rtl92ce_tx_polling,
 241         .enable_hw_sec = rtl92ce_enable_hw_security_config,
 242         .set_key = rtl92ce_set_key,
 243         .init_sw_leds = rtl92ce_init_sw_leds,
 244         .get_bbreg = rtl92c_phy_query_bb_reg,
 245         .set_bbreg = rtl92c_phy_set_bb_reg,
 246         .set_rfreg = rtl92ce_phy_set_rf_reg,
 247         .get_rfreg = rtl92c_phy_query_rf_reg,
 248         .phy_rf6052_config = rtl92ce_phy_rf6052_config,
 249         .phy_rf6052_set_cck_txpower = rtl92ce_phy_rf6052_set_cck_txpower,
 250         .phy_rf6052_set_ofdm_txpower = rtl92ce_phy_rf6052_set_ofdm_txpower,
 251         .config_bb_with_headerfile = _rtl92ce_phy_config_bb_with_headerfile,
 252         .config_bb_with_pgheaderfile = _rtl92ce_phy_config_bb_with_pgheaderfile,
 253         .phy_lc_calibrate = _rtl92ce_phy_lc_calibrate,
 254         .phy_set_bw_mode_callback = rtl92ce_phy_set_bw_mode_callback,
 255         .dm_dynamic_txpower = rtl92ce_dm_dynamic_txpower,
 256 };
 257
 258 static struct rtl_mod_params rtl92ce_mod_params = {
 259         .sw_crypto = false,
 260         .inactiveps = true,
 261         .swctrl_lps = false,
 262         .fwctrl_lps = true,
 263         .debug = DBG_EMERG,
 264 };
 265
 266 static struct rtl_hal_cfg rtl92ce_hal_cfg = {
 267         .bar_id = 2,
 268         .write_readback = true,
 269         .name = "rtl92c_pci",
 270         .fw_name = "rtlwifi/rtl8192cfw.bin",
 271         .ops = &rtl8192ce_hal_ops,
 272         .mod_params = &rtl92ce_mod_params,
 273
 274         .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
 275         .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
 276         .maps[SYS_CLK] = REG_SYS_CLKR,
 277         .maps[MAC_RCR_AM] = AM,
 278         .maps[MAC_RCR_AB] = AB,
 279         .maps[MAC_RCR_ACRC32] = ACRC32,
 280         .maps[MAC_RCR_ACF] = ACF,
 281         .maps[MAC_RCR_AAP] = AAP,
 282
 283         .maps[EFUSE_TEST] = REG_EFUSE_TEST,
 284         .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
 285         .maps[EFUSE_CLK] = 0,
 286         .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
 287         .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
 288         .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
 289         .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
 290         .maps[EFUSE_ANA8M] = EFUSE_ANA8M,
 291         .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
 292         .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
 293         .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
 294
 295         .maps[RWCAM] = REG_CAMCMD,
 296         .maps[WCAMI] = REG_CAMWRITE,
 297         .maps[RCAMO] = REG_CAMREAD,
 298         .maps[CAMDBG] = REG_CAMDBG,
 299         .maps[SECR] = REG_SECCFG,
 300         .maps[SEC_CAM_NONE] = CAM_NONE,
 301         .maps[SEC_CAM_WEP40] = CAM_WEP40,
 302         .maps[SEC_CAM_TKIP] = CAM_TKIP,
 303         .maps[SEC_CAM_AES] = CAM_AES,
 304         .maps[SEC_CAM_WEP104] = CAM_WEP104,
 305
 306         .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
 307         .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
 308         .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
 309         .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
 310         .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
 311         .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
 312         .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
 313         .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
 314         .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
 315         .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
 316         .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
 317         .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
 318         .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
 319         .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
 320         .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
 321         .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
 322
 323         .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
 324         .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
 325         .maps[RTL_IMR_BcnInt] = IMR_BCNINT,
 326         .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
 327         .maps[RTL_IMR_RDU] = IMR_RDU,
 328         .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
 329         .maps[RTL_IMR_BDOK] = IMR_BDOK,
 330         .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
 331         .maps[RTL_IMR_TBDER] = IMR_TBDER,
 332         .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
 333         .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
 334         .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
 335         .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
 336         .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
 337         .maps[RTL_IMR_VODOK] = IMR_VODOK,
 338         .maps[RTL_IMR_ROK] = IMR_ROK,
 339         .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER),
 340
 341         .maps[RTL_RC_CCK_RATE1M] = DESC92_RATE1M,
 342         .maps[RTL_RC_CCK_RATE2M] = DESC92_RATE2M,
 343         .maps[RTL_RC_CCK_RATE5_5M] = DESC92_RATE5_5M,
 344         .maps[RTL_RC_CCK_RATE11M] = DESC92_RATE11M,
 345         .maps[RTL_RC_OFDM_RATE6M] = DESC92_RATE6M,
 346         .maps[RTL_RC_OFDM_RATE9M] = DESC92_RATE9M,
 347         .maps[RTL_RC_OFDM_RATE12M] = DESC92_RATE12M,
 348         .maps[RTL_RC_OFDM_RATE18M] = DESC92_RATE18M,
 349         .maps[RTL_RC_OFDM_RATE24M] = DESC92_RATE24M,
 350         .maps[RTL_RC_OFDM_RATE36M] = DESC92_RATE36M,
 351         .maps[RTL_RC_OFDM_RATE48M] = DESC92_RATE48M,
 352         .maps[RTL_RC_OFDM_RATE54M] = DESC92_RATE54M,
 353
 354         .maps[RTL_RC_HT_RATEMCS7] = DESC92_RATEMCS7,
 355         .maps[RTL_RC_HT_RATEMCS15] = DESC92_RATEMCS15,
 356 };
 357
 358 DEFINE_PCI_DEVICE_TABLE(rtl92ce_pci_ids) = {
 359         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8191, rtl92ce_hal_cfg)},
 360         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8178, rtl92ce_hal_cfg)},
 361         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8177, rtl92ce_hal_cfg)},
 362         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8176, rtl92ce_hal_cfg)},
 363         {},
 364 };
 365
 366 MODULE_DEVICE_TABLE(pci, rtl92ce_pci_ids);
 367
 368 MODULE_AUTHOR("lizhaoming       <chaoming_li@realsil.com.cn>");
 369 MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
 370 MODULE_AUTHOR("Larry Finger     <Larry.Finger@lwfinger.net>");
 371 MODULE_LICENSE("GPL");
 372 MODULE_DESCRIPTION("Realtek 8192C/8188C 802.11n PCI wireless");
 373 MODULE_FIRMWARE("rtlwifi/rtl8192cfw.bin");
 374 MODULE_FIRMWARE("rtlwifi/rtl8192cfwU.bin");
 375 MODULE_FIRMWARE("rtlwifi/rtl8192cfwU_B.bin");
 376
 377 module_param_named(swenc, rtl92ce_mod_params.sw_crypto, bool, 0444);
 378 module_param_named(debug, rtl92ce_mod_params.debug, int, 0444);
 379 module_param_named(ips, rtl92ce_mod_params.inactiveps, bool, 0444);
 380 module_param_named(swlps, rtl92ce_mod_params.swctrl_lps, bool, 0444);
 381 module_param_named(fwlps, rtl92ce_mod_params.fwctrl_lps, bool, 0444);
 382 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
 383 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
 384 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
 385 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
 386 MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
 387
 388 static const struct dev_pm_ops rtlwifi_pm_ops = {
 389         .suspend = rtl_pci_suspend,
 390         .resume = rtl_pci_resume,
 391         .freeze = rtl_pci_suspend,
 392         .thaw = rtl_pci_resume,
 393         .poweroff = rtl_pci_suspend,
 394         .restore = rtl_pci_resume,
 395 };
 396
 397 static struct pci_driver rtl92ce_driver = {
 398         .name = KBUILD_MODNAME,
 399         .id_table = rtl92ce_pci_ids,
 400         .probe = rtl_pci_probe,
 401         .remove = rtl_pci_disconnect,
 402         .driver.pm = &rtlwifi_pm_ops,
 403 };
 404
 405 static int __init rtl92ce_module_init(void)
 406 {
 407         int ret;
 408
 409         ret = pci_register_driver(&rtl92ce_driver);
 410         if (ret)
 411                 RT_ASSERT(false, (": No device found\n"));
 412
 413         return ret;
 414 }
 415
 416 static void __exit rtl92ce_module_exit(void)
 417 {
 418         pci_unregister_driver(&rtl92ce_driver);
 419 }
 420
 421 module_init(rtl92ce_module_init);
 422 module_exit(rtl92ce_module_exit);