linux/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
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   1/******************************************************************************
   2 *
   3 * Copyright(c) 2009-2014  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 * The full GNU General Public License is included in this distribution in the
  15 * file called LICENSE.
  16 *
  17 * Contact Information:
  18 * wlanfae <wlanfae@realtek.com>
  19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20 * Hsinchu 300, Taiwan.
  21 *
  22 * Larry Finger <Larry.Finger@lwfinger.net>
  23 *
  24 *****************************************************************************/
  25
  26#include "../wifi.h"
  27#include "../core.h"
  28#include "../pci.h"
  29#include "reg.h"
  30#include "def.h"
  31#include "phy.h"
  32#include "dm.h"
  33#include "hw.h"
  34#include "sw.h"
  35#include "fw.h"
  36#include "trx.h"
  37#include "led.h"
  38#include "table.h"
  39
  40#include "../btcoexist/rtl_btc.h"
  41
  42#include <linux/vmalloc.h>
  43#include <linux/module.h>
  44
  45static void rtl92ee_init_aspm_vars(struct ieee80211_hw *hw)
  46{
  47        struct rtl_priv *rtlpriv = rtl_priv(hw);
  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 = rtlpriv->cfg->mod_params->aspm_support;
  88}
  89
  90int rtl92ee_init_sw_vars(struct ieee80211_hw *hw)
  91{
  92        struct rtl_priv *rtlpriv = rtl_priv(hw);
  93        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
  94        int err = 0;
  95        char *fw_name;
  96
  97        rtl92ee_bt_reg_init(hw);
  98        rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
  99        rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
 100
 101        rtlpriv->dm.dm_initialgain_enable = 1;
 102        rtlpriv->dm.dm_flag = 0;
 103        rtlpriv->dm.disable_framebursting = 0;
 104        rtlpci->transmit_config = CFENDFORM | BIT(15);
 105
 106        /*just 2.4G band*/
 107        rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
 108        rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
 109        rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
 110
 111        rtlpci->receive_config = (RCR_APPFCS                    |
 112                                  RCR_APP_MIC                   |
 113                                  RCR_APP_ICV                   |
 114                                  RCR_APP_PHYST_RXFF            |
 115                                  RCR_HTC_LOC_CTRL              |
 116                                  RCR_AMF                       |
 117                                  RCR_ACF                       |
 118                                  RCR_ACRC32                    |
 119                                  RCR_AB                        |
 120                                  RCR_AM                        |
 121                                  RCR_APM                       |
 122                                  0);
 123
 124        rtlpci->irq_mask[0] = (u32)(IMR_PSTIMEOUT               |
 125                                     IMR_C2HCMD                 |
 126                                     IMR_HIGHDOK                |
 127                                     IMR_MGNTDOK                |
 128                                     IMR_BKDOK                  |
 129                                     IMR_BEDOK                  |
 130                                     IMR_VIDOK                  |
 131                                     IMR_VODOK                  |
 132                                     IMR_RDU                    |
 133                                     IMR_ROK                    |
 134                                     0);
 135        rtlpci->irq_mask[1] = (u32)(IMR_RXFOVW | 0);
 136
 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        rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
 142        if (rtlpriv->cfg->mod_params->disable_watchdog)
 143                pr_info("watchdog disabled\n");
 144        rtlpriv->psc.reg_fwctrl_lps = 3;
 145        rtlpriv->psc.reg_max_lps_awakeintvl = 5;
 146        /* for ASPM, you can close aspm through
 147         * set const_support_pciaspm = 0
 148         */
 149        rtl92ee_init_aspm_vars(hw);
 150
 151        if (rtlpriv->psc.reg_fwctrl_lps == 1)
 152                rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
 153        else if (rtlpriv->psc.reg_fwctrl_lps == 2)
 154                rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
 155        else if (rtlpriv->psc.reg_fwctrl_lps == 3)
 156                rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
 157
 158        /* for early mode */
 159        rtlpriv->rtlhal.earlymode_enable = false;
 160
 161        /*low power */
 162        rtlpriv->psc.low_power_enable = false;
 163
 164        /* for firmware buf */
 165        rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
 166        if (!rtlpriv->rtlhal.pfirmware) {
 167                pr_err("Can't alloc buffer for fw\n");
 168                return 1;
 169        }
 170
 171        /* request fw */
 172        fw_name = "rtlwifi/rtl8192eefw.bin";
 173
 174        rtlpriv->max_fw_size = 0x8000;
 175        pr_info("Using firmware %s\n", fw_name);
 176        err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
 177                                      rtlpriv->io.dev, GFP_KERNEL, hw,
 178                                      rtl_fw_cb);
 179        if (err) {
 180                pr_err("Failed to request firmware!\n");
 181                vfree(rtlpriv->rtlhal.pfirmware);
 182                rtlpriv->rtlhal.pfirmware = NULL;
 183                return 1;
 184        }
 185
 186        return 0;
 187}
 188
 189void rtl92ee_deinit_sw_vars(struct ieee80211_hw *hw)
 190{
 191        struct rtl_priv *rtlpriv = rtl_priv(hw);
 192
 193        if (rtlpriv->rtlhal.pfirmware) {
 194                vfree(rtlpriv->rtlhal.pfirmware);
 195                rtlpriv->rtlhal.pfirmware = NULL;
 196        }
 197}
 198
 199/* get bt coexist status */
 200bool rtl92ee_get_btc_status(void)
 201{
 202        return true;
 203}
 204
 205static struct rtl_hal_ops rtl8192ee_hal_ops = {
 206        .init_sw_vars = rtl92ee_init_sw_vars,
 207        .deinit_sw_vars = rtl92ee_deinit_sw_vars,
 208        .read_eeprom_info = rtl92ee_read_eeprom_info,
 209        .interrupt_recognized = rtl92ee_interrupt_recognized,/*need check*/
 210        .hw_init = rtl92ee_hw_init,
 211        .hw_disable = rtl92ee_card_disable,
 212        .hw_suspend = rtl92ee_suspend,
 213        .hw_resume = rtl92ee_resume,
 214        .enable_interrupt = rtl92ee_enable_interrupt,
 215        .disable_interrupt = rtl92ee_disable_interrupt,
 216        .set_network_type = rtl92ee_set_network_type,
 217        .set_chk_bssid = rtl92ee_set_check_bssid,
 218        .set_qos = rtl92ee_set_qos,
 219        .set_bcn_reg = rtl92ee_set_beacon_related_registers,
 220        .set_bcn_intv = rtl92ee_set_beacon_interval,
 221        .update_interrupt_mask = rtl92ee_update_interrupt_mask,
 222        .get_hw_reg = rtl92ee_get_hw_reg,
 223        .set_hw_reg = rtl92ee_set_hw_reg,
 224        .update_rate_tbl = rtl92ee_update_hal_rate_tbl,
 225        .pre_fill_tx_bd_desc = rtl92ee_pre_fill_tx_bd_desc,
 226        .rx_desc_buff_remained_cnt = rtl92ee_rx_desc_buff_remained_cnt,
 227        .rx_check_dma_ok = rtl92ee_rx_check_dma_ok,
 228        .fill_tx_desc = rtl92ee_tx_fill_desc,
 229        .fill_tx_cmddesc = rtl92ee_tx_fill_cmddesc,
 230        .query_rx_desc = rtl92ee_rx_query_desc,
 231        .set_channel_access = rtl92ee_update_channel_access_setting,
 232        .radio_onoff_checking = rtl92ee_gpio_radio_on_off_checking,
 233        .set_bw_mode = rtl92ee_phy_set_bw_mode,
 234        .switch_channel = rtl92ee_phy_sw_chnl,
 235        .dm_watchdog = rtl92ee_dm_watchdog,
 236        .scan_operation_backup = rtl92ee_phy_scan_operation_backup,
 237        .set_rf_power_state = rtl92ee_phy_set_rf_power_state,
 238        .led_control = rtl92ee_led_control,
 239        .set_desc = rtl92ee_set_desc,
 240        .get_desc = rtl92ee_get_desc,
 241        .is_tx_desc_closed = rtl92ee_is_tx_desc_closed,
 242        .get_available_desc = rtl92ee_get_available_desc,
 243        .tx_polling = rtl92ee_tx_polling,
 244        .enable_hw_sec = rtl92ee_enable_hw_security_config,
 245        .set_key = rtl92ee_set_key,
 246        .init_sw_leds = rtl92ee_init_sw_leds,
 247        .get_bbreg = rtl92ee_phy_query_bb_reg,
 248        .set_bbreg = rtl92ee_phy_set_bb_reg,
 249        .get_rfreg = rtl92ee_phy_query_rf_reg,
 250        .set_rfreg = rtl92ee_phy_set_rf_reg,
 251        .fill_h2c_cmd = rtl92ee_fill_h2c_cmd,
 252        .get_btc_status = rtl92ee_get_btc_status,
 253        .rx_command_packet = rtl92ee_rx_command_packet,
 254        .c2h_content_parsing = rtl92ee_c2h_content_parsing,
 255};
 256
 257static struct rtl_mod_params rtl92ee_mod_params = {
 258        .sw_crypto = false,
 259        .inactiveps = true,
 260        .swctrl_lps = false,
 261        .fwctrl_lps = true,
 262        .msi_support = true,
 263        .dma64 = false,
 264        .aspm_support = 1,
 265        .debug_level = 0,
 266        .debug_mask = 0,
 267};
 268
 269static const struct rtl_hal_cfg rtl92ee_hal_cfg = {
 270        .bar_id = 2,
 271        .write_readback = true,
 272        .name = "rtl92ee_pci",
 273        .ops = &rtl8192ee_hal_ops,
 274        .mod_params = &rtl92ee_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] = AM,
 280        .maps[MAC_RCR_AB] = AB,
 281        .maps[MAC_RCR_ACRC32] = ACRC32,
 282        .maps[MAC_RCR_ACF] = ACF,
 283        .maps[MAC_RCR_AAP] = AAP,
 284        .maps[MAC_HIMR] = REG_HIMR,
 285        .maps[MAC_HIMRE] = REG_HIMRE,
 286
 287        .maps[EFUSE_ACCESS] = REG_EFUSE_ACCESS,
 288
 289        .maps[EFUSE_TEST] = REG_EFUSE_TEST,
 290        .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
 291        .maps[EFUSE_CLK] = 0,
 292        .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
 293        .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
 294        .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
 295        .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
 296        .maps[EFUSE_ANA8M] = ANA8M,
 297        .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
 298        .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
 299        .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
 300        .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
 301
 302        .maps[RWCAM] = REG_CAMCMD,
 303        .maps[WCAMI] = REG_CAMWRITE,
 304        .maps[RCAMO] = REG_CAMREAD,
 305        .maps[CAMDBG] = REG_CAMDBG,
 306        .maps[SECR] = REG_SECCFG,
 307        .maps[SEC_CAM_NONE] = CAM_NONE,
 308        .maps[SEC_CAM_WEP40] = CAM_WEP40,
 309        .maps[SEC_CAM_TKIP] = CAM_TKIP,
 310        .maps[SEC_CAM_AES] = CAM_AES,
 311        .maps[SEC_CAM_WEP104] = CAM_WEP104,
 312
 313        .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
 314        .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
 315        .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
 316        .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
 317        .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
 318        .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
 319        .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
 320        .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
 321        .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
 322        .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
 323        .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
 324        .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
 325        .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
 326
 327        .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
 328        .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
 329        .maps[RTL_IMR_BCNINT] = IMR_BCNDMAINT0,
 330        .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
 331        .maps[RTL_IMR_RDU] = IMR_RDU,
 332        .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
 333        .maps[RTL_IMR_BDOK] = IMR_BCNDOK0,
 334        .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
 335        .maps[RTL_IMR_TBDER] = IMR_TBDER,
 336        .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
 337        .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
 338        .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
 339        .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
 340        .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
 341        .maps[RTL_IMR_VODOK] = IMR_VODOK,
 342        .maps[RTL_IMR_ROK] = IMR_ROK,
 343        .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNDMAINT0 | IMR_TBDOK | IMR_TBDER),
 344
 345        .maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M,
 346        .maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M,
 347        .maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M,
 348        .maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M,
 349        .maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M,
 350        .maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M,
 351        .maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M,
 352        .maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M,
 353        .maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M,
 354        .maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M,
 355        .maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M,
 356        .maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M,
 357
 358        .maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7,
 359        .maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15,
 360};
 361
 362static const struct pci_device_id rtl92ee_pci_ids[] = {
 363        {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x818B, rtl92ee_hal_cfg)},
 364        {},
 365};
 366
 367MODULE_DEVICE_TABLE(pci, rtl92ee_pci_ids);
 368
 369MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
 370MODULE_AUTHOR("Larry Finger     <Larry.Finger@lwfinger.net>");
 371MODULE_LICENSE("GPL");
 372MODULE_DESCRIPTION("Realtek 8192EE 802.11n PCI wireless");
 373MODULE_FIRMWARE("rtlwifi/rtl8192eefw.bin");
 374
 375module_param_named(swenc, rtl92ee_mod_params.sw_crypto, bool, 0444);
 376module_param_named(debug_level, rtl92ee_mod_params.debug_level, int, 0644);
 377module_param_named(debug_mask, rtl92ee_mod_params.debug_mask, ullong, 0644);
 378module_param_named(ips, rtl92ee_mod_params.inactiveps, bool, 0444);
 379module_param_named(swlps, rtl92ee_mod_params.swctrl_lps, bool, 0444);
 380module_param_named(fwlps, rtl92ee_mod_params.fwctrl_lps, bool, 0444);
 381module_param_named(msi, rtl92ee_mod_params.msi_support, bool, 0444);
 382module_param_named(dma64, rtl92ee_mod_params.dma64, bool, 0444);
 383module_param_named(aspm, rtl92ee_mod_params.aspm_support, int, 0444);
 384module_param_named(disable_watchdog, rtl92ee_mod_params.disable_watchdog,
 385                   bool, 0444);
 386MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
 387MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
 388MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
 389MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
 390MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 1)\n");
 391MODULE_PARM_DESC(dma64, "Set to 1 to use DMA 64 (default 0)\n");
 392MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
 393MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
 394MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
 395MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n");
 396
 397static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
 398
 399static struct pci_driver rtl92ee_driver = {
 400        .name = KBUILD_MODNAME,
 401        .id_table = rtl92ee_pci_ids,
 402        .probe = rtl_pci_probe,
 403        .remove = rtl_pci_disconnect,
 404        .driver.pm = &rtlwifi_pm_ops,
 405};
 406
 407module_pci_driver(rtl92ee_driver);
 408