drivers/net/wireless/rtlwifi/rtl8192de/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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  31
  32 #include <linux/vmalloc.h>
  33
  34 #include "../wifi.h"
  35 #include "../core.h"
  36 #include "../pci.h"
  37 #include "reg.h"
  38 #include "def.h"
  39 #include "phy.h"
  40 #include "dm.h"
  41 #include "hw.h"
  42 #include "sw.h"
  43 #include "trx.h"
  44 #include "led.h"
  45
  46 static void rtl92d_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 static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
  91 {
  92         int err;
  93         u8 tid;
  94         struct rtl_priv *rtlpriv = rtl_priv(hw);
  95         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
  96         const struct firmware *firmware;
  97         static int header_print;
  98
  99         rtlpriv->dm.dm_initialgain_enable = true;
 100         rtlpriv->dm.dm_flag = 0;
 101         rtlpriv->dm.disable_framebursting = 0;
 102         rtlpriv->dm.thermalvalue = 0;
 103         rtlpriv->dm.useramask = 1;
 104
 105         /* dual mac */
 106         if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
 107                 rtlpriv->phy.current_channel = 36;
 108         else
 109                 rtlpriv->phy.current_channel = 1;
 110
 111         if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
 112                 rtlpriv->rtlhal.disable_amsdu_8k = true;
 113                 /* No long RX - reduce fragmentation */
 114                 rtlpci->rxbuffersize = 4096;
 115         }
 116
 117         rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
 118
 119         rtlpci->receive_config = (
 120                         RCR_APPFCS
 121                         | RCR_AMF
 122                         | RCR_ADF
 123                         | RCR_APP_MIC
 124                         | RCR_APP_ICV
 125                         | RCR_AICV
 126                         | RCR_ACRC32
 127                         | RCR_AB
 128                         | RCR_AM
 129                         | RCR_APM
 130                         | RCR_APP_PHYST_RXFF
 131                         | RCR_HTC_LOC_CTRL
 132         );
 133
 134         rtlpci->irq_mask[0] = (u32) (
 135                         IMR_ROK
 136                         | IMR_VODOK
 137                         | IMR_VIDOK
 138                         | IMR_BEDOK
 139                         | IMR_BKDOK
 140                         | IMR_MGNTDOK
 141                         | IMR_HIGHDOK
 142                         | IMR_BDOK
 143                         | IMR_RDU
 144                         | IMR_RXFOVW
 145         );
 146
 147         rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD);
 148
 149         /* for LPS & IPS */
 150         rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
 151         rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
 152         rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
 153         rtlpriv->psc.reg_fwctrl_lps = 3;
 154         rtlpriv->psc.reg_max_lps_awakeintvl = 5;
 155         /* for ASPM, you can close aspm through
 156          * set const_support_pciaspm = 0 */
 157         rtl92d_init_aspm_vars(hw);
 158
 159         if (rtlpriv->psc.reg_fwctrl_lps == 1)
 160                 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
 161         else if (rtlpriv->psc.reg_fwctrl_lps == 2)
 162                 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
 163         else if (rtlpriv->psc.reg_fwctrl_lps == 3)
 164                 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
 165
 166         /* for firmware buf */
 167         rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
 168         if (!rtlpriv->rtlhal.pfirmware) {
 169                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 170                          ("Can't alloc buffer for fw.\n"));
 171                 return 1;
 172         }
 173
 174         if (!header_print) {
 175                 pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
 176                 pr_info("Loading firmware file %s\n", rtlpriv->cfg->fw_name);
 177                 header_print++;
 178         }
 179         /* request fw */
 180         err = request_firmware(&firmware, rtlpriv->cfg->fw_name,
 181                                rtlpriv->io.dev);
 182         if (err) {
 183                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 184                          ("Failed to request firmware!\n"));
 185                 return 1;
 186         }
 187         if (firmware->size > 0x8000) {
 188                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 189                          ("Firmware is too big!\n"));
 190                 release_firmware(firmware);
 191                 return 1;
 192         }
 193         memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size);
 194         rtlpriv->rtlhal.fwsize = firmware->size;
 195         release_firmware(firmware);
 196
 197         /* for early mode */
 198         rtlpriv->rtlhal.earlymode_enable = true;
 199         for (tid = 0; tid < 8; tid++)
 200                 skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
 201         return 0;
 202 }
 203
 204 static void rtl92d_deinit_sw_vars(struct ieee80211_hw *hw)
 205 {
 206         struct rtl_priv *rtlpriv = rtl_priv(hw);
 207         u8 tid;
 208
 209         if (rtlpriv->rtlhal.pfirmware) {
 210                 vfree(rtlpriv->rtlhal.pfirmware);
 211                 rtlpriv->rtlhal.pfirmware = NULL;
 212         }
 213         for (tid = 0; tid < 8; tid++)
 214                 skb_queue_purge(&rtlpriv->mac80211.skb_waitq[tid]);
 215 }
 216
 217 static struct rtl_hal_ops rtl8192de_hal_ops = {
 218         .init_sw_vars = rtl92d_init_sw_vars,
 219         .deinit_sw_vars = rtl92d_deinit_sw_vars,
 220         .read_eeprom_info = rtl92de_read_eeprom_info,
 221         .interrupt_recognized = rtl92de_interrupt_recognized,
 222         .hw_init = rtl92de_hw_init,
 223         .hw_disable = rtl92de_card_disable,
 224         .hw_suspend = rtl92de_suspend,
 225         .hw_resume = rtl92de_resume,
 226         .enable_interrupt = rtl92de_enable_interrupt,
 227         .disable_interrupt = rtl92de_disable_interrupt,
 228         .set_network_type = rtl92de_set_network_type,
 229         .set_chk_bssid = rtl92de_set_check_bssid,
 230         .set_qos = rtl92de_set_qos,
 231         .set_bcn_reg = rtl92de_set_beacon_related_registers,
 232         .set_bcn_intv = rtl92de_set_beacon_interval,
 233         .update_interrupt_mask = rtl92de_update_interrupt_mask,
 234         .get_hw_reg = rtl92de_get_hw_reg,
 235         .set_hw_reg = rtl92de_set_hw_reg,
 236         .update_rate_tbl = rtl92de_update_hal_rate_tbl,
 237         .fill_tx_desc = rtl92de_tx_fill_desc,
 238         .fill_tx_cmddesc = rtl92de_tx_fill_cmddesc,
 239         .query_rx_desc = rtl92de_rx_query_desc,
 240         .set_channel_access = rtl92de_update_channel_access_setting,
 241         .radio_onoff_checking = rtl92de_gpio_radio_on_off_checking,
 242         .set_bw_mode = rtl92d_phy_set_bw_mode,
 243         .switch_channel = rtl92d_phy_sw_chnl,
 244         .dm_watchdog = rtl92d_dm_watchdog,
 245         .scan_operation_backup = rtl92d_phy_scan_operation_backup,
 246         .set_rf_power_state = rtl92d_phy_set_rf_power_state,
 247         .led_control = rtl92de_led_control,
 248         .set_desc = rtl92de_set_desc,
 249         .get_desc = rtl92de_get_desc,
 250         .tx_polling = rtl92de_tx_polling,
 251         .enable_hw_sec = rtl92de_enable_hw_security_config,
 252         .set_key = rtl92de_set_key,
 253         .init_sw_leds = rtl92de_init_sw_leds,
 254         .get_bbreg = rtl92d_phy_query_bb_reg,
 255         .set_bbreg = rtl92d_phy_set_bb_reg,
 256         .get_rfreg = rtl92d_phy_query_rf_reg,
 257         .set_rfreg = rtl92d_phy_set_rf_reg,
 258         .linked_set_reg = rtl92d_linked_set_reg,
 259 };
 260
 261 static struct rtl_mod_params rtl92de_mod_params = {
 262         .sw_crypto = false,
 263         .inactiveps = true,
 264         .swctrl_lps = true,
 265         .fwctrl_lps = false,
 266 };
 267
 268 static struct rtl_hal_cfg rtl92de_hal_cfg = {
 269         .bar_id = 2,
 270         .write_readback = true,
 271         .name = "rtl8192de",
 272         .fw_name = "rtlwifi/rtl8192defw.bin",
 273         .ops = &rtl8192de_hal_ops,
 274         .mod_params = &rtl92de_mod_params,
 275
 276         .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
 277         .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
 278         .maps[SYS_CLK] = REG_SYS_CLKR,
 279         .maps[MAC_RCR_AM] = RCR_AM,
 280         .maps[MAC_RCR_AB] = RCR_AB,
 281         .maps[MAC_RCR_ACRC32] = RCR_ACRC32,
 282         .maps[MAC_RCR_ACF] = RCR_ACF,
 283         .maps[MAC_RCR_AAP] = RCR_AAP,
 284
 285         .maps[EFUSE_TEST] = REG_EFUSE_TEST,
 286         .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
 287         .maps[EFUSE_CLK] = 0,   /* just for 92se */
 288         .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
 289         .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
 290         .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
 291         .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
 292         .maps[EFUSE_ANA8M] = 0, /* just for 92se */
 293         .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
 294         .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
 295         .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
 296
 297         .maps[RWCAM] = REG_CAMCMD,
 298         .maps[WCAMI] = REG_CAMWRITE,
 299         .maps[RCAMO] = REG_CAMREAD,
 300         .maps[CAMDBG] = REG_CAMDBG,
 301         .maps[SECR] = REG_SECCFG,
 302         .maps[SEC_CAM_NONE] = CAM_NONE,
 303         .maps[SEC_CAM_WEP40] = CAM_WEP40,
 304         .maps[SEC_CAM_TKIP] = CAM_TKIP,
 305         .maps[SEC_CAM_AES] = CAM_AES,
 306         .maps[SEC_CAM_WEP104] = CAM_WEP104,
 307
 308         .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
 309         .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
 310         .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
 311         .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
 312         .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
 313         .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
 314         .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
 315         .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
 316         .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
 317         .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
 318         .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
 319         .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
 320         .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
 321         .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
 322         .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
 323         .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
 324
 325         .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
 326         .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
 327         .maps[RTL_IMR_BcnInt] = IMR_BcnInt,
 328         .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
 329         .maps[RTL_IMR_RDU] = IMR_RDU,
 330         .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
 331         .maps[RTL_IMR_BDOK] = IMR_BDOK,
 332         .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
 333         .maps[RTL_IMR_TBDER] = IMR_TBDER,
 334         .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
 335         .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
 336         .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
 337         .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
 338         .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
 339         .maps[RTL_IMR_VODOK] = IMR_VODOK,
 340         .maps[RTL_IMR_ROK] = IMR_ROK,
 341         .maps[RTL_IBSS_INT_MASKS] = (IMR_BcnInt | IMR_TBDOK | IMR_TBDER),
 342
 343         .maps[RTL_RC_CCK_RATE1M] = DESC92D_RATE1M,
 344         .maps[RTL_RC_CCK_RATE2M] = DESC92D_RATE2M,
 345         .maps[RTL_RC_CCK_RATE5_5M] = DESC92D_RATE5_5M,
 346         .maps[RTL_RC_CCK_RATE11M] = DESC92D_RATE11M,
 347         .maps[RTL_RC_OFDM_RATE6M] = DESC92D_RATE6M,
 348         .maps[RTL_RC_OFDM_RATE9M] = DESC92D_RATE9M,
 349         .maps[RTL_RC_OFDM_RATE12M] = DESC92D_RATE12M,
 350         .maps[RTL_RC_OFDM_RATE18M] = DESC92D_RATE18M,
 351         .maps[RTL_RC_OFDM_RATE24M] = DESC92D_RATE24M,
 352         .maps[RTL_RC_OFDM_RATE36M] = DESC92D_RATE36M,
 353         .maps[RTL_RC_OFDM_RATE48M] = DESC92D_RATE48M,
 354         .maps[RTL_RC_OFDM_RATE54M] = DESC92D_RATE54M,
 355
 356         .maps[RTL_RC_HT_RATEMCS7] = DESC92D_RATEMCS7,
 357         .maps[RTL_RC_HT_RATEMCS15] = DESC92D_RATEMCS15,
 358 };
 359
 360 static struct pci_device_id rtl92de_pci_ids[] __devinitdata = {
 361         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8193, rtl92de_hal_cfg)},
 362         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x002B, rtl92de_hal_cfg)},
 363         {},
 364 };
 365
 366 MODULE_DEVICE_TABLE(pci, rtl92de_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 8192DE 802.11n Dual Mac PCI wireless");
 373 MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
 374
 375 module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
 376 module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
 377 module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
 378 module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
 379 MODULE_PARM_DESC(swenc, "using hardware crypto (default 0 [hardware])\n");
 380 MODULE_PARM_DESC(ips, "using no link power save (default 1 is open)\n");
 381 MODULE_PARM_DESC(swlps, "using linked sw control power save (default 1"
 382                  " is open)\n");
 383
 384 static struct pci_driver rtl92de_driver = {
 385         .name = KBUILD_MODNAME,
 386         .id_table = rtl92de_pci_ids,
 387         .probe = rtl_pci_probe,
 388         .remove = rtl_pci_disconnect,
 389
 390 #ifdef CONFIG_PM
 391         .suspend = rtl_pci_suspend,
 392         .resume = rtl_pci_resume,
 393 #endif
 394
 395 };
 396
 397 /* add global spin lock to solve the problem that
 398  * Dul mac register operation on the same time */
 399 spinlock_t globalmutex_power;
 400 spinlock_t globalmutex_for_fwdownload;
 401 spinlock_t globalmutex_for_power_and_efuse;
 402
 403 static int __init rtl92de_module_init(void)
 404 {
 405         int ret = 0;
 406
 407         spin_lock_init(&globalmutex_power);
 408         spin_lock_init(&globalmutex_for_fwdownload);
 409         spin_lock_init(&globalmutex_for_power_and_efuse);
 410
 411         ret = pci_register_driver(&rtl92de_driver);
 412         if (ret)
 413                 RT_ASSERT(false, (": No device found\n"));
 414         return ret;
 415 }
 416
 417 static void __exit rtl92de_module_exit(void)
 418 {
 419         pci_unregister_driver(&rtl92de_driver);
 420 }
 421
 422 module_init(rtl92de_module_init);
 423 module_exit(rtl92de_module_exit);