linux/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
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   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 "../pci.h"
  33#include "reg.h"
  34#include "def.h"
  35#include "phy.h"
  36#include "dm.h"
  37#include "hw.h"
  38#include "sw.h"
  39#include "trx.h"
  40#include "led.h"
  41
  42#include <linux/module.h>
  43
  44static void rtl92d_init_aspm_vars(struct ieee80211_hw *hw)
  45{
  46        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
  47
  48        /*close ASPM for AMD defaultly */
  49        rtlpci->const_amdpci_aspm = 0;
  50
  51        /*
  52         * ASPM PS mode.
  53         * 0 - Disable ASPM,
  54         * 1 - Enable ASPM without Clock Req,
  55         * 2 - Enable ASPM with Clock Req,
  56         * 3 - Alwyas Enable ASPM with Clock Req,
  57         * 4 - Always Enable ASPM without Clock Req.
  58         * set defult to RTL8192CE:3 RTL8192E:2
  59         * */
  60        rtlpci->const_pci_aspm = 3;
  61
  62        /*Setting for PCI-E device */
  63        rtlpci->const_devicepci_aspm_setting = 0x03;
  64
  65        /*Setting for PCI-E bridge */
  66        rtlpci->const_hostpci_aspm_setting = 0x02;
  67
  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 = 0;
  77
  78        /*
  79         * This setting works for those device with
  80         * backdoor ASPM setting such as EPHY setting.
  81         * 0 - Not support ASPM,
  82         * 1 - Support ASPM,
  83         * 2 - According to chipset.
  84         */
  85        rtlpci->const_support_pciaspm = 1;
  86}
  87
  88static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
  89{
  90        int err;
  91        u8 tid;
  92        struct rtl_priv *rtlpriv = rtl_priv(hw);
  93        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
  94
  95        rtlpriv->dm.dm_initialgain_enable = true;
  96        rtlpriv->dm.dm_flag = 0;
  97        rtlpriv->dm.disable_framebursting = false;
  98        rtlpriv->dm.thermalvalue = 0;
  99        rtlpriv->dm.useramask = true;
 100
 101        /* dual mac */
 102        if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
 103                rtlpriv->phy.current_channel = 36;
 104        else
 105                rtlpriv->phy.current_channel = 1;
 106
 107        if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
 108                rtlpriv->rtlhal.disable_amsdu_8k = true;
 109                /* No long RX - reduce fragmentation */
 110                rtlpci->rxbuffersize = 4096;
 111        }
 112
 113        rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
 114
 115        rtlpci->receive_config = (
 116                        RCR_APPFCS
 117                        | RCR_AMF
 118                        | RCR_ADF
 119                        | RCR_APP_MIC
 120                        | RCR_APP_ICV
 121                        | RCR_AICV
 122                        | RCR_ACRC32
 123                        | RCR_AB
 124                        | RCR_AM
 125                        | RCR_APM
 126                        | RCR_APP_PHYST_RXFF
 127                        | RCR_HTC_LOC_CTRL
 128        );
 129
 130        rtlpci->irq_mask[0] = (u32) (
 131                        IMR_ROK
 132                        | IMR_VODOK
 133                        | IMR_VIDOK
 134                        | IMR_BEDOK
 135                        | IMR_BKDOK
 136                        | IMR_MGNTDOK
 137                        | IMR_HIGHDOK
 138                        | IMR_BDOK
 139                        | IMR_RDU
 140                        | IMR_RXFOVW
 141        );
 142
 143        rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD);
 144
 145        /* for debug level */
 146        rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
 147        /* for LPS & IPS */
 148        rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
 149        rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
 150        rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
 151        if (!rtlpriv->psc.inactiveps)
 152                pr_info("Power Save off (module option)\n");
 153        if (!rtlpriv->psc.fwctrl_lps)
 154                pr_info("FW Power Save off (module option)\n");
 155        rtlpriv->psc.reg_fwctrl_lps = 3;
 156        rtlpriv->psc.reg_max_lps_awakeintvl = 5;
 157        /* for ASPM, you can close aspm through
 158         * set const_support_pciaspm = 0 */
 159        rtl92d_init_aspm_vars(hw);
 160
 161        if (rtlpriv->psc.reg_fwctrl_lps == 1)
 162                rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
 163        else if (rtlpriv->psc.reg_fwctrl_lps == 2)
 164                rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
 165        else if (rtlpriv->psc.reg_fwctrl_lps == 3)
 166                rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
 167
 168        /* for early mode */
 169        rtlpriv->rtlhal.earlymode_enable = true;
 170        for (tid = 0; tid < 8; tid++)
 171                skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
 172
 173        /* for firmware buf */
 174        rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
 175        if (!rtlpriv->rtlhal.pfirmware) {
 176                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 177                         "Can't alloc buffer for fw\n");
 178                return 1;
 179        }
 180
 181        rtlpriv->max_fw_size = 0x8000;
 182        pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
 183        pr_info("Loading firmware file %s\n", rtlpriv->cfg->fw_name);
 184
 185        /* request fw */
 186        err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
 187                                      rtlpriv->io.dev, GFP_KERNEL, hw,
 188                                      rtl_fw_cb);
 189        if (err) {
 190                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 191                         "Failed to request firmware!\n");
 192                return 1;
 193        }
 194
 195        return 0;
 196}
 197
 198static void rtl92d_deinit_sw_vars(struct ieee80211_hw *hw)
 199{
 200        struct rtl_priv *rtlpriv = rtl_priv(hw);
 201        u8 tid;
 202
 203        if (rtlpriv->rtlhal.pfirmware) {
 204                vfree(rtlpriv->rtlhal.pfirmware);
 205                rtlpriv->rtlhal.pfirmware = NULL;
 206        }
 207        for (tid = 0; tid < 8; tid++)
 208                skb_queue_purge(&rtlpriv->mac80211.skb_waitq[tid]);
 209}
 210
 211static struct rtl_hal_ops rtl8192de_hal_ops = {
 212        .init_sw_vars = rtl92d_init_sw_vars,
 213        .deinit_sw_vars = rtl92d_deinit_sw_vars,
 214        .read_eeprom_info = rtl92de_read_eeprom_info,
 215        .interrupt_recognized = rtl92de_interrupt_recognized,
 216        .hw_init = rtl92de_hw_init,
 217        .hw_disable = rtl92de_card_disable,
 218        .hw_suspend = rtl92de_suspend,
 219        .hw_resume = rtl92de_resume,
 220        .enable_interrupt = rtl92de_enable_interrupt,
 221        .disable_interrupt = rtl92de_disable_interrupt,
 222        .set_network_type = rtl92de_set_network_type,
 223        .set_chk_bssid = rtl92de_set_check_bssid,
 224        .set_qos = rtl92de_set_qos,
 225        .set_bcn_reg = rtl92de_set_beacon_related_registers,
 226        .set_bcn_intv = rtl92de_set_beacon_interval,
 227        .update_interrupt_mask = rtl92de_update_interrupt_mask,
 228        .get_hw_reg = rtl92de_get_hw_reg,
 229        .set_hw_reg = rtl92de_set_hw_reg,
 230        .update_rate_tbl = rtl92de_update_hal_rate_tbl,
 231        .fill_tx_desc = rtl92de_tx_fill_desc,
 232        .fill_tx_cmddesc = rtl92de_tx_fill_cmddesc,
 233        .query_rx_desc = rtl92de_rx_query_desc,
 234        .set_channel_access = rtl92de_update_channel_access_setting,
 235        .radio_onoff_checking = rtl92de_gpio_radio_on_off_checking,
 236        .set_bw_mode = rtl92d_phy_set_bw_mode,
 237        .switch_channel = rtl92d_phy_sw_chnl,
 238        .dm_watchdog = rtl92d_dm_watchdog,
 239        .scan_operation_backup = rtl92d_phy_scan_operation_backup,
 240        .set_rf_power_state = rtl92d_phy_set_rf_power_state,
 241        .led_control = rtl92de_led_control,
 242        .set_desc = rtl92de_set_desc,
 243        .get_desc = rtl92de_get_desc,
 244        .tx_polling = rtl92de_tx_polling,
 245        .enable_hw_sec = rtl92de_enable_hw_security_config,
 246        .set_key = rtl92de_set_key,
 247        .init_sw_leds = rtl92de_init_sw_leds,
 248        .get_bbreg = rtl92d_phy_query_bb_reg,
 249        .set_bbreg = rtl92d_phy_set_bb_reg,
 250        .get_rfreg = rtl92d_phy_query_rf_reg,
 251        .set_rfreg = rtl92d_phy_set_rf_reg,
 252        .linked_set_reg = rtl92d_linked_set_reg,
 253};
 254
 255static struct rtl_mod_params rtl92de_mod_params = {
 256        .sw_crypto = false,
 257        .inactiveps = true,
 258        .swctrl_lps = true,
 259        .fwctrl_lps = false,
 260        .debug = DBG_EMERG,
 261};
 262
 263static struct rtl_hal_cfg rtl92de_hal_cfg = {
 264        .bar_id = 2,
 265        .write_readback = true,
 266        .name = "rtl8192de",
 267        .fw_name = "rtlwifi/rtl8192defw.bin",
 268        .ops = &rtl8192de_hal_ops,
 269        .mod_params = &rtl92de_mod_params,
 270
 271        .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
 272        .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
 273        .maps[SYS_CLK] = REG_SYS_CLKR,
 274        .maps[MAC_RCR_AM] = RCR_AM,
 275        .maps[MAC_RCR_AB] = RCR_AB,
 276        .maps[MAC_RCR_ACRC32] = RCR_ACRC32,
 277        .maps[MAC_RCR_ACF] = RCR_ACF,
 278        .maps[MAC_RCR_AAP] = RCR_AAP,
 279
 280        .maps[EFUSE_TEST] = REG_EFUSE_TEST,
 281        .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
 282        .maps[EFUSE_CLK] = 0,   /* just for 92se */
 283        .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
 284        .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
 285        .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
 286        .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
 287        .maps[EFUSE_ANA8M] = 0, /* just for 92se */
 288        .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
 289        .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
 290        .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
 291
 292        .maps[RWCAM] = REG_CAMCMD,
 293        .maps[WCAMI] = REG_CAMWRITE,
 294        .maps[RCAMO] = REG_CAMREAD,
 295        .maps[CAMDBG] = REG_CAMDBG,
 296        .maps[SECR] = REG_SECCFG,
 297        .maps[SEC_CAM_NONE] = CAM_NONE,
 298        .maps[SEC_CAM_WEP40] = CAM_WEP40,
 299        .maps[SEC_CAM_TKIP] = CAM_TKIP,
 300        .maps[SEC_CAM_AES] = CAM_AES,
 301        .maps[SEC_CAM_WEP104] = CAM_WEP104,
 302
 303        .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
 304        .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
 305        .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
 306        .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
 307        .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
 308        .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
 309        .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
 310        .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
 311        .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
 312        .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
 313        .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
 314        .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
 315        .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
 316        .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
 317        .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
 318        .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
 319
 320        .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
 321        .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
 322        .maps[RTL_IMR_BcnInt] = IMR_BcnInt,
 323        .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
 324        .maps[RTL_IMR_RDU] = IMR_RDU,
 325        .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
 326        .maps[RTL_IMR_BDOK] = IMR_BDOK,
 327        .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
 328        .maps[RTL_IMR_TBDER] = IMR_TBDER,
 329        .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
 330        .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
 331        .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
 332        .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
 333        .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
 334        .maps[RTL_IMR_VODOK] = IMR_VODOK,
 335        .maps[RTL_IMR_ROK] = IMR_ROK,
 336        .maps[RTL_IBSS_INT_MASKS] = (IMR_BcnInt | IMR_TBDOK | IMR_TBDER),
 337
 338        .maps[RTL_RC_CCK_RATE1M] = DESC92_RATE1M,
 339        .maps[RTL_RC_CCK_RATE2M] = DESC92_RATE2M,
 340        .maps[RTL_RC_CCK_RATE5_5M] = DESC92_RATE5_5M,
 341        .maps[RTL_RC_CCK_RATE11M] = DESC92_RATE11M,
 342        .maps[RTL_RC_OFDM_RATE6M] = DESC92_RATE6M,
 343        .maps[RTL_RC_OFDM_RATE9M] = DESC92_RATE9M,
 344        .maps[RTL_RC_OFDM_RATE12M] = DESC92_RATE12M,
 345        .maps[RTL_RC_OFDM_RATE18M] = DESC92_RATE18M,
 346        .maps[RTL_RC_OFDM_RATE24M] = DESC92_RATE24M,
 347        .maps[RTL_RC_OFDM_RATE36M] = DESC92_RATE36M,
 348        .maps[RTL_RC_OFDM_RATE48M] = DESC92_RATE48M,
 349        .maps[RTL_RC_OFDM_RATE54M] = DESC92_RATE54M,
 350
 351        .maps[RTL_RC_HT_RATEMCS7] = DESC92_RATEMCS7,
 352        .maps[RTL_RC_HT_RATEMCS15] = DESC92_RATEMCS15,
 353};
 354
 355static struct pci_device_id rtl92de_pci_ids[] __devinitdata = {
 356        {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8193, rtl92de_hal_cfg)},
 357        {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x002B, rtl92de_hal_cfg)},
 358        {},
 359};
 360
 361MODULE_DEVICE_TABLE(pci, rtl92de_pci_ids);
 362
 363MODULE_AUTHOR("lizhaoming       <chaoming_li@realsil.com.cn>");
 364MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
 365MODULE_AUTHOR("Larry Finger     <Larry.Finger@lwfinger.net>");
 366MODULE_LICENSE("GPL");
 367MODULE_DESCRIPTION("Realtek 8192DE 802.11n Dual Mac PCI wireless");
 368MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
 369
 370module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
 371module_param_named(debug, rtl92de_mod_params.debug, int, 0444);
 372module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
 373module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
 374module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
 375MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
 376MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
 377MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
 378MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
 379MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
 380
 381static const struct dev_pm_ops rtlwifi_pm_ops = {
 382        .suspend = rtl_pci_suspend,
 383        .resume = rtl_pci_resume,
 384        .freeze = rtl_pci_suspend,
 385        .thaw = rtl_pci_resume,
 386        .poweroff = rtl_pci_suspend,
 387        .restore = rtl_pci_resume,
 388};
 389
 390static struct pci_driver rtl92de_driver = {
 391        .name = KBUILD_MODNAME,
 392        .id_table = rtl92de_pci_ids,
 393        .probe = rtl_pci_probe,
 394        .remove = rtl_pci_disconnect,
 395        .driver.pm = &rtlwifi_pm_ops,
 396};
 397
 398/* add global spin lock to solve the problem that
 399 * Dul mac register operation on the same time */
 400spinlock_t globalmutex_power;
 401spinlock_t globalmutex_for_fwdownload;
 402spinlock_t globalmutex_for_power_and_efuse;
 403
 404static int __init rtl92de_module_init(void)
 405{
 406        int ret = 0;
 407
 408        spin_lock_init(&globalmutex_power);
 409        spin_lock_init(&globalmutex_for_fwdownload);
 410        spin_lock_init(&globalmutex_for_power_and_efuse);
 411
 412        ret = pci_register_driver(&rtl92de_driver);
 413        if (ret)
 414                RT_ASSERT(false, "No device found\n");
 415        return ret;
 416}
 417
 418static void __exit rtl92de_module_exit(void)
 419{
 420        pci_unregister_driver(&rtl92de_driver);
 421}
 422
 423module_init(rtl92de_module_init);
 424module_exit(rtl92de_module_exit);
 425