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linux/drivers/net/wireless/rtlwifi/rtl8188ee/sw.c
Adam Lee 3513d0043c rtlwifi: rtl8188ee: add msi module parameter 
The msi module parameter offers an option to enable or disable MSI
interrupts mode. For now, some users report RTL8188EE works only with
MSI on their certain platforms, some others report it works only without
MSI, this parameter will help.

Signed-off-by: Adam Lee <adam.lee@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-05-13 15:56:32 -04:00

406 lines
13 KiB
C
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/******************************************************************************
*
* Copyright(c) 2009-2013 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include "../wifi.h"
#include "../core.h"
#include "../pci.h"
#include "../base.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "dm.h"
#include "hw.h"
#include "sw.h"
#include "trx.h"
#include "led.h"
#include "table.h"
#include <linux/vmalloc.h>
#include <linux/module.h>
static void rtl88e_init_aspm_vars(struct ieee80211_hw *hw)
{
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
/*close ASPM for AMD defaultly */
rtlpci->const_amdpci_aspm = 0;
/* ASPM PS mode.
* 0 - Disable ASPM,
* 1 - Enable ASPM without Clock Req,
* 2 - Enable ASPM with Clock Req,
* 3 - Alwyas Enable ASPM with Clock Req,
* 4 - Always Enable ASPM without Clock Req.
* set defult to RTL8192CE:3 RTL8192E:2
*/
rtlpci->const_pci_aspm = 3;
/*Setting for PCI-E device */
rtlpci->const_devicepci_aspm_setting = 0x03;
/*Setting for PCI-E bridge */
rtlpci->const_hostpci_aspm_setting = 0x02;
/* In Hw/Sw Radio Off situation.
* 0 - Default,
* 1 - From ASPM setting without low Mac Pwr,
* 2 - From ASPM setting with low Mac Pwr,
* 3 - Bus D3
* set default to RTL8192CE:0 RTL8192SE:2
*/
rtlpci->const_hwsw_rfoff_d3 = 0;
/* This setting works for those device with
* backdoor ASPM setting such as EPHY setting.
* 0 - Not support ASPM,
* 1 - Support ASPM,
* 2 - According to chipset.
*/
rtlpci->const_support_pciaspm = 1;
}
int rtl88e_init_sw_vars(struct ieee80211_hw *hw)
{
int err = 0;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
u8 tid;
rtl8188ee_bt_reg_init(hw);
rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
rtlpriv->dm.dm_initialgain_enable = 1;
rtlpriv->dm.dm_flag = 0;
rtlpriv->dm.disable_framebursting = 0;
rtlpriv->dm.thermalvalue = 0;
rtlpci->transmit_config = CFENDFORM | BIT(15);
/* compatible 5G band 88ce just 2.4G band & smsp */
rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
rtlpci->receive_config = (RCR_APPFCS |
RCR_APP_MIC |
RCR_APP_ICV |
RCR_APP_PHYST_RXFF |
RCR_HTC_LOC_CTRL |
RCR_AMF |
RCR_ACF |
RCR_ADF |
RCR_AICV |
RCR_ACRC32 |
RCR_AB |
RCR_AM |
RCR_APM |
0);
rtlpci->irq_mask[0] =
(u32) (IMR_PSTIMEOUT |
IMR_HSISR_IND_ON_INT |
IMR_C2HCMD |
IMR_HIGHDOK |
IMR_MGNTDOK |
IMR_BKDOK |
IMR_BEDOK |
IMR_VIDOK |
IMR_VODOK |
IMR_RDU |
IMR_ROK |
0);
rtlpci->irq_mask[1] = (u32) (IMR_RXFOVW | 0);
rtlpci->sys_irq_mask = (u32) (HSIMR_PDN_INT_EN | HSIMR_RON_INT_EN);
/* for debug level */
rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
/* for LPS & IPS */
rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
if (!rtlpriv->psc.inactiveps)
pr_info("rtl8188ee: Power Save off (module option)\n");
if (!rtlpriv->psc.fwctrl_lps)
pr_info("rtl8188ee: FW Power Save off (module option)\n");
rtlpriv->psc.reg_fwctrl_lps = 3;
rtlpriv->psc.reg_max_lps_awakeintvl = 5;
/* for ASPM, you can close aspm through
* set const_support_pciaspm = 0
*/
rtl88e_init_aspm_vars(hw);
if (rtlpriv->psc.reg_fwctrl_lps == 1)
rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
else if (rtlpriv->psc.reg_fwctrl_lps == 2)
rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
else if (rtlpriv->psc.reg_fwctrl_lps == 3)
rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
/* for firmware buf */
rtlpriv->rtlhal.pfirmware = vmalloc(0x8000);
if (!rtlpriv->rtlhal.pfirmware) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"Can't alloc buffer for fw.\n");
return 1;
}
rtlpriv->cfg->fw_name = "rtlwifi/rtl8188efw.bin";
rtlpriv->max_fw_size = 0x8000;
pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);
err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"Failed to request firmware!\n");
return 1;
}
/* for early mode */
rtlpriv->rtlhal.earlymode_enable = false;
rtlpriv->rtlhal.max_earlymode_num = 10;
for (tid = 0; tid < 8; tid++)
skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
/*low power */
rtlpriv->psc.low_power_enable = false;
if (rtlpriv->psc.low_power_enable) {
init_timer(&rtlpriv->works.fw_clockoff_timer);
setup_timer(&rtlpriv->works.fw_clockoff_timer,
rtl88ee_fw_clk_off_timer_callback,
(unsigned long)hw);
}
init_timer(&rtlpriv->works.fast_antenna_training_timer);
setup_timer(&rtlpriv->works.fast_antenna_training_timer,
rtl88e_dm_fast_antenna_training_callback,
(unsigned long)hw);
return err;
}
void rtl88e_deinit_sw_vars(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (rtlpriv->rtlhal.pfirmware) {
vfree(rtlpriv->rtlhal.pfirmware);
rtlpriv->rtlhal.pfirmware = NULL;
}
if (rtlpriv->psc.low_power_enable)
del_timer_sync(&rtlpriv->works.fw_clockoff_timer);
del_timer_sync(&rtlpriv->works.fast_antenna_training_timer);
}
static struct rtl_hal_ops rtl8188ee_hal_ops = {
.init_sw_vars = rtl88e_init_sw_vars,
.deinit_sw_vars = rtl88e_deinit_sw_vars,
.read_eeprom_info = rtl88ee_read_eeprom_info,
.interrupt_recognized = rtl88ee_interrupt_recognized,/*need check*/
.hw_init = rtl88ee_hw_init,
.hw_disable = rtl88ee_card_disable,
.hw_suspend = rtl88ee_suspend,
.hw_resume = rtl88ee_resume,
.enable_interrupt = rtl88ee_enable_interrupt,
.disable_interrupt = rtl88ee_disable_interrupt,
.set_network_type = rtl88ee_set_network_type,
.set_chk_bssid = rtl88ee_set_check_bssid,
.set_qos = rtl88ee_set_qos,
.set_bcn_reg = rtl88ee_set_beacon_related_registers,
.set_bcn_intv = rtl88ee_set_beacon_interval,
.update_interrupt_mask = rtl88ee_update_interrupt_mask,
.get_hw_reg = rtl88ee_get_hw_reg,
.set_hw_reg = rtl88ee_set_hw_reg,
.update_rate_tbl = rtl88ee_update_hal_rate_tbl,
.fill_tx_desc = rtl88ee_tx_fill_desc,
.fill_tx_cmddesc = rtl88ee_tx_fill_cmddesc,
.query_rx_desc = rtl88ee_rx_query_desc,
.set_channel_access = rtl88ee_update_channel_access_setting,
.radio_onoff_checking = rtl88ee_gpio_radio_on_off_checking,
.set_bw_mode = rtl88e_phy_set_bw_mode,
.switch_channel = rtl88e_phy_sw_chnl,
.dm_watchdog = rtl88e_dm_watchdog,
.scan_operation_backup = rtl_phy_scan_operation_backup,
.set_rf_power_state = rtl88e_phy_set_rf_power_state,
.led_control = rtl88ee_led_control,
.set_desc = rtl88ee_set_desc,
.get_desc = rtl88ee_get_desc,
.tx_polling = rtl88ee_tx_polling,
.enable_hw_sec = rtl88ee_enable_hw_security_config,
.set_key = rtl88ee_set_key,
.init_sw_leds = rtl88ee_init_sw_leds,
.allow_all_destaddr = rtl88ee_allow_all_destaddr,
.get_bbreg = rtl88e_phy_query_bb_reg,
.set_bbreg = rtl88e_phy_set_bb_reg,
.get_rfreg = rtl88e_phy_query_rf_reg,
.set_rfreg = rtl88e_phy_set_rf_reg,
};
static struct rtl_mod_params rtl88ee_mod_params = {
.sw_crypto = false,
.inactiveps = true,
.swctrl_lps = false,
.fwctrl_lps = true,
.msi_support = false,
.debug = DBG_EMERG,
};
static struct rtl_hal_cfg rtl88ee_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl88e_pci",
.ops = &rtl8188ee_hal_ops,
.mod_params = &rtl88ee_mod_params,
.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
.maps[SYS_CLK] = REG_SYS_CLKR,
.maps[MAC_RCR_AM] = AM,
.maps[MAC_RCR_AB] = AB,
.maps[MAC_RCR_ACRC32] = ACRC32,
.maps[MAC_RCR_ACF] = ACF,
.maps[MAC_RCR_AAP] = AAP,
.maps[EFUSE_ACCESS] = REG_EFUSE_ACCESS,
.maps[EFUSE_TEST] = REG_EFUSE_TEST,
.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
.maps[EFUSE_CLK] = 0,
.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
.maps[EFUSE_ANA8M] = ANA8M,
.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
.maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
.maps[RWCAM] = REG_CAMCMD,
.maps[WCAMI] = REG_CAMWRITE,
.maps[RCAMO] = REG_CAMREAD,
.maps[CAMDBG] = REG_CAMDBG,
.maps[SECR] = REG_SECCFG,
.maps[SEC_CAM_NONE] = CAM_NONE,
.maps[SEC_CAM_WEP40] = CAM_WEP40,
.maps[SEC_CAM_TKIP] = CAM_TKIP,
.maps[SEC_CAM_AES] = CAM_AES,
.maps[SEC_CAM_WEP104] = CAM_WEP104,
.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
/* .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8, */ /*need check*/
.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
/* .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,*/
/* .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,*/
.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
.maps[RTL_IMR_BCNINT] = IMR_BCNDMAINT0,
.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
.maps[RTL_IMR_RDU] = IMR_RDU,
.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
.maps[RTL_IMR_BDOK] = IMR_BCNDOK0,
.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
.maps[RTL_IMR_TBDER] = IMR_TBDER,
.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
.maps[RTL_IMR_VODOK] = IMR_VODOK,
.maps[RTL_IMR_ROK] = IMR_ROK,
.maps[RTL_IBSS_INT_MASKS] = (IMR_BCNDMAINT0 | IMR_TBDOK | IMR_TBDER),
.maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M,
.maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M,
.maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M,
.maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M,
.maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M,
.maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M,
.maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M,
.maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M,
.maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M,
.maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M,
.maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M,
.maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M,
.maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7,
.maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15,
};
static DEFINE_PCI_DEVICE_TABLE(rtl88ee_pci_ids) = {
{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8179, rtl88ee_hal_cfg)},
{},
};
MODULE_DEVICE_TABLE(pci, rtl88ee_pci_ids);
MODULE_AUTHOR("zhiyuan_yang <zhiyuan_yang@realsil.com.cn>");
MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Realtek 8188E 802.11n PCI wireless");
MODULE_FIRMWARE("rtlwifi/rtl8188efw.bin");
module_param_named(swenc, rtl88ee_mod_params.sw_crypto, bool, 0444);
module_param_named(debug, rtl88ee_mod_params.debug, int, 0444);
module_param_named(ips, rtl88ee_mod_params.inactiveps, bool, 0444);
module_param_named(swlps, rtl88ee_mod_params.swctrl_lps, bool, 0444);
module_param_named(fwlps, rtl88ee_mod_params.fwctrl_lps, bool, 0444);
module_param_named(msi, rtl88ee_mod_params.msi_support, bool, 0444);
MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 0)\n");
MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
static struct pci_driver rtl88ee_driver = {
.name = KBUILD_MODNAME,
.id_table = rtl88ee_pci_ids,
.probe = rtl_pci_probe,
.remove = rtl_pci_disconnect,
.driver.pm = &rtlwifi_pm_ops,
};
module_pci_driver(rtl88ee_driver);
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