cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

sw.c (12438B)


      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright(c) 2009-2012  Realtek Corporation.*/
      3
      4#include "../wifi.h"
      5#include "../core.h"
      6#include "../pci.h"
      7#include "../base.h"
      8#include "reg.h"
      9#include "def.h"
     10#include "phy.h"
     11#include "dm.h"
     12#include "../rtl8192c/dm_common.h"
     13#include "../rtl8192c/fw_common.h"
     14#include "../rtl8192c/phy_common.h"
     15#include "hw.h"
     16#include "rf.h"
     17#include "trx.h"
     18#include "led.h"
     19
     20#include <linux/module.h>
     21
     22static void rtl92c_init_aspm_vars(struct ieee80211_hw *hw)
     23{
     24	struct rtl_priv *rtlpriv = rtl_priv(hw);
     25	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
     26
     27	/*close ASPM for AMD defaultly */
     28	rtlpci->const_amdpci_aspm = 0;
     29
     30	/*
     31	 * ASPM PS mode.
     32	 * 0 - Disable ASPM,
     33	 * 1 - Enable ASPM without Clock Req,
     34	 * 2 - Enable ASPM with Clock Req,
     35	 * 3 - Alwyas Enable ASPM with Clock Req,
     36	 * 4 - Always Enable ASPM without Clock Req.
     37	 * set defult to RTL8192CE:3 RTL8192E:2
     38	 * */
     39	rtlpci->const_pci_aspm = 3;
     40
     41	/*Setting for PCI-E device */
     42	rtlpci->const_devicepci_aspm_setting = 0x03;
     43
     44	/*Setting for PCI-E bridge */
     45	rtlpci->const_hostpci_aspm_setting = 0x02;
     46
     47	/*
     48	 * In Hw/Sw Radio Off situation.
     49	 * 0 - Default,
     50	 * 1 - From ASPM setting without low Mac Pwr,
     51	 * 2 - From ASPM setting with low Mac Pwr,
     52	 * 3 - Bus D3
     53	 * set default to RTL8192CE:0 RTL8192SE:2
     54	 */
     55	rtlpci->const_hwsw_rfoff_d3 = 0;
     56
     57	/*
     58	 * This setting works for those device with
     59	 * backdoor ASPM setting such as EPHY setting.
     60	 * 0 - Not support ASPM,
     61	 * 1 - Support ASPM,
     62	 * 2 - According to chipset.
     63	 */
     64	rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support;
     65}
     66
     67static int rtl92c_init_sw_vars(struct ieee80211_hw *hw)
     68{
     69	int err;
     70	struct rtl_priv *rtlpriv = rtl_priv(hw);
     71	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
     72	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
     73	char *fw_name;
     74
     75	rtl8192ce_bt_reg_init(hw);
     76
     77	rtlpriv->dm.dm_initialgain_enable = true;
     78	rtlpriv->dm.dm_flag = 0;
     79	rtlpriv->dm.disable_framebursting = false;
     80	rtlpriv->dm.thermalvalue = 0;
     81	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
     82
     83	/* compatible 5G band 88ce just 2.4G band & smsp */
     84	rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
     85	rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
     86	rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
     87
     88	rtlpci->receive_config = (RCR_APPFCS |
     89				  RCR_AMF |
     90				  RCR_ADF |
     91				  RCR_APP_MIC |
     92				  RCR_APP_ICV |
     93				  RCR_AICV |
     94				  RCR_ACRC32 |
     95				  RCR_AB |
     96				  RCR_AM |
     97				  RCR_APM |
     98				  RCR_APP_PHYST_RXFF | RCR_HTC_LOC_CTRL | 0);
     99
    100	rtlpci->irq_mask[0] =
    101	    (u32) (IMR_ROK |
    102		   IMR_VODOK |
    103		   IMR_VIDOK |
    104		   IMR_BEDOK |
    105		   IMR_BKDOK |
    106		   IMR_MGNTDOK |
    107		   IMR_HIGHDOK | IMR_BDOK | IMR_RDU | IMR_RXFOVW | 0);
    108
    109	rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD | 0);
    110
    111	/* for LPS & IPS */
    112	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
    113	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
    114	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
    115	if (!rtlpriv->psc.inactiveps)
    116		pr_info("rtl8192ce: Power Save off (module option)\n");
    117	if (!rtlpriv->psc.fwctrl_lps)
    118		pr_info("rtl8192ce: FW Power Save off (module option)\n");
    119	rtlpriv->psc.reg_fwctrl_lps = 3;
    120	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
    121	/* for ASPM, you can close aspm through
    122	 * set const_support_pciaspm = 0 */
    123	rtl92c_init_aspm_vars(hw);
    124
    125	if (rtlpriv->psc.reg_fwctrl_lps == 1)
    126		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
    127	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
    128		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
    129	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
    130		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
    131
    132	/* for firmware buf */
    133	rtlpriv->rtlhal.pfirmware = vzalloc(0x4000);
    134	if (!rtlpriv->rtlhal.pfirmware) {
    135		pr_err("Can't alloc buffer for fw\n");
    136		return 1;
    137	}
    138
    139	/* request fw */
    140	if (IS_VENDOR_UMC_A_CUT(rtlhal->version) &&
    141	    !IS_92C_SERIAL(rtlhal->version))
    142		fw_name = "rtlwifi/rtl8192cfwU.bin";
    143	else if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version))
    144		fw_name = "rtlwifi/rtl8192cfwU_B.bin";
    145	else
    146		fw_name = "rtlwifi/rtl8192cfw.bin";
    147
    148	rtlpriv->max_fw_size = 0x4000;
    149	pr_info("Using firmware %s\n", fw_name);
    150	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
    151				      rtlpriv->io.dev, GFP_KERNEL, hw,
    152				      rtl_fw_cb);
    153	if (err) {
    154		pr_err("Failed to request firmware!\n");
    155		vfree(rtlpriv->rtlhal.pfirmware);
    156		rtlpriv->rtlhal.pfirmware = NULL;
    157		return 1;
    158	}
    159
    160	return 0;
    161}
    162
    163static void rtl92c_deinit_sw_vars(struct ieee80211_hw *hw)
    164{
    165	struct rtl_priv *rtlpriv = rtl_priv(hw);
    166
    167	if (rtlpriv->rtlhal.pfirmware) {
    168		vfree(rtlpriv->rtlhal.pfirmware);
    169		rtlpriv->rtlhal.pfirmware = NULL;
    170	}
    171}
    172
    173static struct rtl_hal_ops rtl8192ce_hal_ops = {
    174	.init_sw_vars = rtl92c_init_sw_vars,
    175	.deinit_sw_vars = rtl92c_deinit_sw_vars,
    176	.read_eeprom_info = rtl92ce_read_eeprom_info,
    177	.interrupt_recognized = rtl92ce_interrupt_recognized,
    178	.hw_init = rtl92ce_hw_init,
    179	.hw_disable = rtl92ce_card_disable,
    180	.hw_suspend = rtl92ce_suspend,
    181	.hw_resume = rtl92ce_resume,
    182	.enable_interrupt = rtl92ce_enable_interrupt,
    183	.disable_interrupt = rtl92ce_disable_interrupt,
    184	.set_network_type = rtl92ce_set_network_type,
    185	.set_chk_bssid = rtl92ce_set_check_bssid,
    186	.set_qos = rtl92ce_set_qos,
    187	.set_bcn_reg = rtl92ce_set_beacon_related_registers,
    188	.set_bcn_intv = rtl92ce_set_beacon_interval,
    189	.update_interrupt_mask = rtl92ce_update_interrupt_mask,
    190	.get_hw_reg = rtl92ce_get_hw_reg,
    191	.set_hw_reg = rtl92ce_set_hw_reg,
    192	.update_rate_tbl = rtl92ce_update_hal_rate_tbl,
    193	.fill_tx_desc = rtl92ce_tx_fill_desc,
    194	.fill_tx_cmddesc = rtl92ce_tx_fill_cmddesc,
    195	.query_rx_desc = rtl92ce_rx_query_desc,
    196	.set_channel_access = rtl92ce_update_channel_access_setting,
    197	.radio_onoff_checking = rtl92ce_gpio_radio_on_off_checking,
    198	.set_bw_mode = rtl92c_phy_set_bw_mode,
    199	.switch_channel = rtl92c_phy_sw_chnl,
    200	.dm_watchdog = rtl92c_dm_watchdog,
    201	.scan_operation_backup = rtl_phy_scan_operation_backup,
    202	.set_rf_power_state = rtl92c_phy_set_rf_power_state,
    203	.led_control = rtl92ce_led_control,
    204	.set_desc = rtl92ce_set_desc,
    205	.get_desc = rtl92ce_get_desc,
    206	.is_tx_desc_closed = rtl92ce_is_tx_desc_closed,
    207	.tx_polling = rtl92ce_tx_polling,
    208	.enable_hw_sec = rtl92ce_enable_hw_security_config,
    209	.set_key = rtl92ce_set_key,
    210	.init_sw_leds = rtl92ce_init_sw_leds,
    211	.get_bbreg = rtl92c_phy_query_bb_reg,
    212	.set_bbreg = rtl92c_phy_set_bb_reg,
    213	.set_rfreg = rtl92ce_phy_set_rf_reg,
    214	.get_rfreg = rtl92c_phy_query_rf_reg,
    215	.phy_rf6052_config = rtl92ce_phy_rf6052_config,
    216	.phy_rf6052_set_cck_txpower = rtl92ce_phy_rf6052_set_cck_txpower,
    217	.phy_rf6052_set_ofdm_txpower = rtl92ce_phy_rf6052_set_ofdm_txpower,
    218	.config_bb_with_headerfile = _rtl92ce_phy_config_bb_with_headerfile,
    219	.config_bb_with_pgheaderfile = _rtl92ce_phy_config_bb_with_pgheaderfile,
    220	.phy_lc_calibrate = _rtl92ce_phy_lc_calibrate,
    221	.phy_set_bw_mode_callback = rtl92ce_phy_set_bw_mode_callback,
    222	.dm_dynamic_txpower = rtl92ce_dm_dynamic_txpower,
    223	.get_btc_status = rtl_btc_status_false,
    224};
    225
    226static struct rtl_mod_params rtl92ce_mod_params = {
    227	.sw_crypto = false,
    228	.inactiveps = true,
    229	.swctrl_lps = false,
    230	.fwctrl_lps = true,
    231	.aspm_support = 1,
    232	.debug_level = 0,
    233	.debug_mask = 0,
    234};
    235
    236static const struct rtl_hal_cfg rtl92ce_hal_cfg = {
    237	.bar_id = 2,
    238	.write_readback = true,
    239	.name = "rtl92c_pci",
    240	.ops = &rtl8192ce_hal_ops,
    241	.mod_params = &rtl92ce_mod_params,
    242
    243	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
    244	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
    245	.maps[SYS_CLK] = REG_SYS_CLKR,
    246	.maps[MAC_RCR_AM] = AM,
    247	.maps[MAC_RCR_AB] = AB,
    248	.maps[MAC_RCR_ACRC32] = ACRC32,
    249	.maps[MAC_RCR_ACF] = ACF,
    250	.maps[MAC_RCR_AAP] = AAP,
    251	.maps[MAC_HIMR] = REG_HIMR,
    252	.maps[MAC_HIMRE] = REG_HIMRE,
    253
    254	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
    255	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
    256	.maps[EFUSE_CLK] = 0,
    257	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
    258	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
    259	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
    260	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
    261	.maps[EFUSE_ANA8M] = EFUSE_ANA8M,
    262	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
    263	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
    264	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
    265	.maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
    266
    267	.maps[RWCAM] = REG_CAMCMD,
    268	.maps[WCAMI] = REG_CAMWRITE,
    269	.maps[RCAMO] = REG_CAMREAD,
    270	.maps[CAMDBG] = REG_CAMDBG,
    271	.maps[SECR] = REG_SECCFG,
    272	.maps[SEC_CAM_NONE] = CAM_NONE,
    273	.maps[SEC_CAM_WEP40] = CAM_WEP40,
    274	.maps[SEC_CAM_TKIP] = CAM_TKIP,
    275	.maps[SEC_CAM_AES] = CAM_AES,
    276	.maps[SEC_CAM_WEP104] = CAM_WEP104,
    277
    278	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
    279	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
    280	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
    281	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
    282	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
    283	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
    284	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
    285	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
    286	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
    287	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
    288	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
    289	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
    290	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
    291	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
    292	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
    293	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
    294
    295	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
    296	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
    297	.maps[RTL_IMR_BCNINT] = IMR_BCNINT,
    298	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
    299	.maps[RTL_IMR_RDU] = IMR_RDU,
    300	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
    301	.maps[RTL_IMR_BDOK] = IMR_BDOK,
    302	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
    303	.maps[RTL_IMR_TBDER] = IMR_TBDER,
    304	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
    305	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
    306	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
    307	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
    308	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
    309	.maps[RTL_IMR_VODOK] = IMR_VODOK,
    310	.maps[RTL_IMR_ROK] = IMR_ROK,
    311	.maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER),
    312
    313	.maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M,
    314	.maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M,
    315	.maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M,
    316	.maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M,
    317	.maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M,
    318	.maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M,
    319	.maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M,
    320	.maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M,
    321	.maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M,
    322	.maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M,
    323	.maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M,
    324	.maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M,
    325
    326	.maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7,
    327	.maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15,
    328};
    329
    330static const struct pci_device_id rtl92ce_pci_ids[] = {
    331	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8191, rtl92ce_hal_cfg)},
    332	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8178, rtl92ce_hal_cfg)},
    333	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8177, rtl92ce_hal_cfg)},
    334	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8176, rtl92ce_hal_cfg)},
    335	{},
    336};
    337
    338MODULE_DEVICE_TABLE(pci, rtl92ce_pci_ids);
    339
    340MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
    341MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
    342MODULE_AUTHOR("Larry Finger	<Larry.Finger@lwfinger.net>");
    343MODULE_LICENSE("GPL");
    344MODULE_DESCRIPTION("Realtek 8192C/8188C 802.11n PCI wireless");
    345MODULE_FIRMWARE("rtlwifi/rtl8192cfw.bin");
    346MODULE_FIRMWARE("rtlwifi/rtl8192cfwU.bin");
    347MODULE_FIRMWARE("rtlwifi/rtl8192cfwU_B.bin");
    348
    349module_param_named(swenc, rtl92ce_mod_params.sw_crypto, bool, 0444);
    350module_param_named(debug_level, rtl92ce_mod_params.debug_level, int, 0644);
    351module_param_named(debug_mask, rtl92ce_mod_params.debug_mask, ullong, 0644);
    352module_param_named(ips, rtl92ce_mod_params.inactiveps, bool, 0444);
    353module_param_named(swlps, rtl92ce_mod_params.swctrl_lps, bool, 0444);
    354module_param_named(fwlps, rtl92ce_mod_params.fwctrl_lps, bool, 0444);
    355module_param_named(aspm, rtl92ce_mod_params.aspm_support, int, 0444);
    356MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
    357MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
    358MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
    359MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
    360MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
    361MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
    362MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
    363
    364static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
    365
    366static struct pci_driver rtl92ce_driver = {
    367	.name = KBUILD_MODNAME,
    368	.id_table = rtl92ce_pci_ids,
    369	.probe = rtl_pci_probe,
    370	.remove = rtl_pci_disconnect,
    371	.driver.pm = &rtlwifi_pm_ops,
    372};
    373
    374module_pci_driver(rtl92ce_driver);