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rtl8188eu/os_dep/linux/pci_intf.c
Larry Finger a68c6cc26e rtl8188eu: Remove code used only for Windows 
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2014-12-15 14:28:28 -06:00

1995 lines
57 KiB
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/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* 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
*
*
******************************************************************************/
#define _HCI_INTF_C_
#include <drv_conf.h>
#include <osdep_service.h>
#include <drv_types.h>
#include <recv_osdep.h>
#include <xmit_osdep.h>
#include <hal_intf.h>
#include <rtw_version.h>
#ifndef CONFIG_PCI_HCI
#error "CONFIG_PCI_HCI shall be on!\n"
#endif
#include <pci_ops.h>
#include <pci_osintf.h>
#include <pci_hal.h>
#ifdef CONFIG_80211N_HT
extern int rtw_ht_enable;
extern int rtw_cbw40_enable;
extern int rtw_ampdu_enable;//for enable tx_ampdu
#endif
#ifdef CONFIG_PM
extern int pm_netdev_open(struct net_device *pnetdev);
static int rtw_suspend(struct pci_dev *pdev, pm_message_t state);
static int rtw_resume(struct pci_dev *pdev);
#endif
static int rtw_drv_init(struct pci_dev *pdev, const struct pci_device_id *pdid);
static void rtw_dev_remove(struct pci_dev *pdev);
static struct specific_device_id specific_device_id_tbl[] = {
{.idVendor=0x0b05, .idProduct=0x1791, .flags=SPEC_DEV_ID_DISABLE_HT},
{.idVendor=0x13D3, .idProduct=0x3311, .flags=SPEC_DEV_ID_DISABLE_HT},
{}
};
struct pci_device_id rtw_pci_id_tbl[] = {
#ifdef CONFIG_RTL8188E
{PCI_DEVICE(PCI_VENDER_ID_REALTEK, 0x8179)},
#endif
#ifdef CONFIG_RTL8192C
{PCI_DEVICE(PCI_VENDER_ID_REALTEK, 0x8191)},
{PCI_DEVICE(PCI_VENDER_ID_REALTEK, 0x8178)},
{PCI_DEVICE(PCI_VENDER_ID_REALTEK, 0x8177)},
{PCI_DEVICE(PCI_VENDER_ID_REALTEK, 0x8176)},
#endif
#ifdef CONFIG_RTL8192D
{PCI_DEVICE(PCI_VENDER_ID_REALTEK, 0x8193)},
{PCI_DEVICE(PCI_VENDER_ID_REALTEK, 0x002B)},
#endif
{},
};
struct pci_drv_priv {
struct pci_driver rtw_pci_drv;
int drv_registered;
};
static struct pci_drv_priv pci_drvpriv = {
.rtw_pci_drv.name = (char*)DRV_NAME,
.rtw_pci_drv.probe = rtw_drv_init,
.rtw_pci_drv.remove = rtw_dev_remove,
.rtw_pci_drv.id_table = rtw_pci_id_tbl,
#ifdef CONFIG_PM
.rtw_pci_drv.suspend = rtw_suspend,
.rtw_pci_drv.resume = rtw_resume,
#else
.rtw_pci_drv.suspend = NULL,
.rtw_pci_drv.resume = NULL,
#endif
};
MODULE_DEVICE_TABLE(pci, rtw_pci_id_tbl);
static u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = {
INTEL_VENDOR_ID,
ATI_VENDOR_ID,
AMD_VENDOR_ID,
SIS_VENDOR_ID
};
static u8 rtw_pci_platform_switch_device_pci_aspm(_adapter *padapter, u8 value)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
u8 bresult = _SUCCESS;
int error;
value |= 0x40;
error = pci_write_config_byte(pdvobjpriv->ppcidev, 0x80, value);
if(error != 0)
{
bresult = _FALSE;
DBG_871X("rtw_pci_platform_switch_device_pci_aspm error (%d)\n",error);
}
return bresult;
}
//
// When we set 0x01 to enable clk request. Set 0x0 to disable clk req.
//
static u8 rtw_pci_switch_clk_req(_adapter *padapter, u8 value)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
u8 buffer, bresult = _SUCCESS;
int error;
buffer = value;
if(!padapter->hw_init_completed)
return bresult;
error = pci_write_config_byte(pdvobjpriv->ppcidev, 0x81, value);
if(error != 0)
{
bresult = _FALSE;
DBG_871X("rtw_pci_switch_clk_req error (%d)\n",error);
}
return bresult;
}
#if 0
//Description:
//Disable RTL8192SE ASPM & Disable Pci Bridge ASPM
void rtw_pci_disable_aspm(_adapter *padapter)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(pdvobjpriv);
struct pci_priv *pcipriv = &(pdvobjpriv->pcipriv);
u32 pcicfg_addrport = 0;
u8 num4bytes;
u8 linkctrl_reg;
u16 pcibridge_linkctrlreg, aspmlevel = 0;
// When there exists anyone's busnum, devnum, and funcnum that are set to 0xff,
// we do not execute any action and return.
// if it is not intel bus then don't enable ASPM.
if ((pcipriv->busnumber == 0xff
&& pcipriv->devnumber == 0xff
&& pcipriv->funcnumber == 0xff)
|| (pcipriv->pcibridge_busnum == 0xff
&& pcipriv->pcibridge_devnum == 0xff
&& pcipriv->pcibridge_funcnum == 0xff))
{
DBG_871X("PlatformEnableASPM(): Fail to enable ASPM. Cannot find the Bus of PCI(Bridge).\n");
return;
}
if (pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) {
DBG_871X("%s(): Disable ASPM. Recognize the Bus of PCI(Bridge) as UNKNOWN.\n", __func__);
}
if (pwrpriv->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
RT_CLEAR_PS_LEVEL(pwrpriv, RT_RF_OFF_LEVL_CLK_REQ);
rtw_pci_switch_clk_req(padapter, 0x0);
}
{
// Suggested by SD1 for promising device will in L0 state after an I/O.
u8 tmp_u1b;
pci_read_config_byte(pdvobjpriv->ppcidev, 0x80, &tmp_u1b);
}
// Retrieve original configuration settings.
linkctrl_reg = pcipriv->linkctrl_reg;
pcibridge_linkctrlreg = pcipriv->pcibridge_linkctrlreg;
// Set corresponding value.
aspmlevel |= BIT(0) | BIT(1);
linkctrl_reg &= ~aspmlevel;
pcibridge_linkctrlreg &= ~(BIT(0) | BIT(1));
rtw_pci_platform_switch_device_pci_aspm(padapter, linkctrl_reg);
rtw_udelay_os(50);
//When there exists anyone's busnum, devnum, and funcnum that are set to 0xff,
// we do not execute any action and return.
if ((pcipriv->busnumber == 0xff &&
pcipriv->devnumber == 0xff &&
pcipriv->funcnumber == 0xff) ||
(pcipriv->pcibridge_busnum == 0xff &&
pcipriv->pcibridge_devnum == 0xff
&& pcipriv->pcibridge_funcnum == 0xff))
{
//Do Nothing!!
}
else
{
//4 //Disable Pci Bridge ASPM
pcicfg_addrport = (pcipriv->pcibridge_busnum << 16) |
(pcipriv->pcibridge_devnum << 11) |
(pcipriv->pcibridge_funcnum << 8) | (1 << 31);
num4bytes = (pcipriv->pcibridge_pciehdr_offset + 0x10) / 4;
// set up address port at 0xCF8 offset field= 0 (dev|vend)
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (num4bytes << 2));
// now grab data port with device|vendor 4 byte dword
NdisRawWritePortUchar(PCI_CONF_DATA, pcibridge_linkctrlreg);
DBG_871X("rtw_pci_disable_aspm():PciBridge busnumber[%x], DevNumbe[%x], funcnumber[%x], Write reg[%x] = %x\n",
pcipriv->pcibridge_busnum, pcipriv->pcibridge_devnum,
pcipriv->pcibridge_funcnum,
(pcipriv->pcibridge_pciehdr_offset+0x10), pcibridge_linkctrlreg);
rtw_udelay_os(50);
}
}
//[ASPM]
//Description:
// Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for power saving
// We should follow the sequence to enable RTL8192SE first then enable Pci Bridge ASPM
// or the system will show bluescreen.
void rtw_pci_enable_aspm(_adapter *padapter)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(pdvobjpriv);
struct pci_priv *pcipriv = &(pdvobjpriv->pcipriv);
u16 aspmlevel = 0;
u32 pcicfg_addrport = 0;
u8 num4bytes;
u8 u_pcibridge_aspmsetting = 0;
u8 u_device_aspmsetting = 0;
// When there exists anyone's busnum, devnum, and funcnum that are set to 0xff,
// we do not execute any action and return.
// if it is not intel bus then don't enable ASPM.
if ((pcipriv->busnumber == 0xff
&& pcipriv->devnumber == 0xff
&& pcipriv->funcnumber == 0xff)
|| (pcipriv->pcibridge_busnum == 0xff
&& pcipriv->pcibridge_devnum == 0xff
&& pcipriv->pcibridge_funcnum == 0xff))
{
DBG_871X("PlatformEnableASPM(): Fail to enable ASPM. Cannot find the Bus of PCI(Bridge).\n");
return;
}
//4 Enable Pci Bridge ASPM
pcicfg_addrport = (pcipriv->pcibridge_busnum << 16)
| (pcipriv->pcibridge_devnum << 11)
| (pcipriv->pcibridge_funcnum << 8) | (1 << 31);
num4bytes = (pcipriv->pcibridge_pciehdr_offset + 0x10) / 4;
// set up address port at 0xCF8 offset field= 0 (dev|vend)
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (num4bytes << 2));
// now grab data port with device|vendor 4 byte dword
u_pcibridge_aspmsetting = pcipriv->pcibridge_linkctrlreg | pdvobjpriv->const_hostpci_aspm_setting;
if (pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL ||
pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_SIS)
u_pcibridge_aspmsetting &= ~BIT(0);
NdisRawWritePortUchar(PCI_CONF_DATA, u_pcibridge_aspmsetting);
DBG_871X("PlatformEnableASPM():PciBridge busnumber[%x], DevNumbe[%x], funcnumber[%x], Write reg[%x] = %x\n",
pcipriv->pcibridge_busnum,
pcipriv->pcibridge_devnum,
pcipriv->pcibridge_funcnum,
(pcipriv->pcibridge_pciehdr_offset+0x10),
u_pcibridge_aspmsetting);
rtw_udelay_os(50);
// Get ASPM level (with/without Clock Req)
aspmlevel |= pdvobjpriv->const_devicepci_aspm_setting;
u_device_aspmsetting = pcipriv->linkctrl_reg;
u_device_aspmsetting |= aspmlevel;
rtw_pci_platform_switch_device_pci_aspm(padapter, u_device_aspmsetting); //(priv->linkctrl_reg | ASPMLevel));
if (pwrpriv->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
rtw_pci_switch_clk_req(padapter, (pwrpriv->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) ? 1 : 0);
RT_SET_PS_LEVEL(pwrpriv, RT_RF_OFF_LEVL_CLK_REQ);
}
rtw_udelay_os(50);
}
//
//Description:
//To get link control field by searching from PCIe capability lists.
//
static u8
rtw_get_link_control_field(_adapter *padapter, u8 busnum, u8 devnum,
u8 funcnum)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct pci_priv *pcipriv = &(pdvobjpriv->pcipriv);
struct rt_pci_capabilities_header capability_hdr;
u8 capability_offset, num4bytes;
u32 pcicfg_addrport = 0;
u8 linkctrl_reg;
u8 status = _FALSE;
//If busnum, devnum, funcnum are set to 0xff.
if (busnum == 0xff && devnum == 0xff && funcnum == 0xff) {
DBG_871X("GetLinkControlField(): Fail to find PCIe Capability\n");
return _FALSE;
}
pcicfg_addrport = (busnum << 16) | (devnum << 11) | (funcnum << 8) | (1 << 31);
//2PCIeCap
// The device supports capability lists. Find the capabilities.
num4bytes = 0x34 / 4;
//get capability_offset
// set up address port at 0xCF8 offset field= 0 (dev|vend)
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (num4bytes << 2));
// now grab data port with device|vendor 4 byte dword
NdisRawReadPortUchar(PCI_CONF_DATA, &capability_offset);
// Loop through the capabilities in search of the power management capability.
// The list is NULL-terminated, so the last offset will always be zero.
while (capability_offset != 0) {
// First find the number of 4 Byte.
num4bytes = capability_offset / 4;
// Read the header of the capability at this offset. If the retrieved capability is not
// the power management capability that we are looking for, follow the link to the
// next capability and continue looping.
//4 get capability_hdr
// set up address port at 0xCF8 offset field= 0 (dev|vend)
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (num4bytes << 2));
// now grab data port with device|vendor 4 byte dword
NdisRawReadPortUshort(PCI_CONF_DATA, (u16 *) & capability_hdr);
// Found the PCI express capability
if (capability_hdr.capability_id == PCI_CAPABILITY_ID_PCI_EXPRESS)
{
break;
}
else
{
// This is some other capability. Keep looking for the PCI express capability.
capability_offset = capability_hdr.next;
}
}
if (capability_hdr.capability_id == PCI_CAPABILITY_ID_PCI_EXPRESS) //
{
num4bytes = (capability_offset + 0x10) / 4;
//4 Read Link Control Register
// set up address port at 0xCF8 offset field= 0 (dev|vend)
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (num4bytes << 2));
// now grab data port with device|vendor 4 byte dword
NdisRawReadPortUchar(PCI_CONF_DATA, &linkctrl_reg);
pcipriv->pcibridge_pciehdr_offset = capability_offset;
pcipriv->pcibridge_linkctrlreg = linkctrl_reg;
status = _TRUE;
}
else
{
// We didn't find a PCIe capability.
DBG_871X("GetLinkControlField(): Cannot Find PCIe Capability\n");
}
return status;
}
//
//Description:
//To get PCI bus infomation and return busnum, devnum, and funcnum about
//the bus(bridge) which the device binds.
//
static u8
rtw_get_pci_bus_info(_adapter *padapter,
u16 vendorid,
u16 deviceid,
u8 irql, u8 basecode, u8 subclass, u8 filed19val,
u8 * busnum, u8 * devnum, u8 * funcnum)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct pci_dev *pdev = pdvobjpriv->ppcidev;
u8 busnum_idx, devicenum_idx, functionnum_idx;
u32 pcicfg_addrport = 0;
u32 dev_venid = 0, classcode, field19, headertype;
u16 venId, devId;
u8 basec, subc, irqline;
u16 regoffset;
u8 b_singlefunc = _FALSE;
u8 b_bridgechk = _FALSE;
*busnum = 0xFF;
*devnum = 0xFF;
*funcnum = 0xFF;
//DBG_871X("==============>vendorid:%x,deviceid:%x,irql:%x\n", vendorid,deviceid,irql);
if ((basecode == PCI_CLASS_BRIDGE_DEV) &&
(subclass == PCI_SUBCLASS_BR_PCI_TO_PCI)
&& (filed19val == U1DONTCARE))
b_bridgechk = _TRUE;
// perform a complete pci bus scan operation
for (busnum_idx = 0; busnum_idx < PCI_MAX_BRIDGE_NUMBER; busnum_idx++) //255
{
for (devicenum_idx = 0; devicenum_idx < PCI_MAX_DEVICES; devicenum_idx++) //32
{
b_singlefunc = _FALSE;
for (functionnum_idx = 0; functionnum_idx < PCI_MAX_FUNCTION; functionnum_idx++) //8
{
//
// <Roger_Notes> We have to skip redundant Bus scan to prevent unexpected system hang
// if single function is present in this device.
// 2009.02.26.
//
if (functionnum_idx == 0) {
//4 get header type (DWORD #3)
pcicfg_addrport = (busnum_idx << 16) | (devicenum_idx << 11) | (functionnum_idx << 8) | (1 << 31);
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (3 << 2));
NdisRawReadPortUlong(PCI_CONF_DATA, &headertype);
headertype = ((headertype >> 16) & 0x0080) >> 7; // address 0x0e[7].
if (headertype == 0) //Single function
b_singlefunc = _TRUE;
}
else
{//By pass the following scan process.
if (b_singlefunc == _TRUE)
break;
}
// Set access enable control.
pcicfg_addrport = (busnum_idx << 16) | (devicenum_idx << 11) | (functionnum_idx << 8) | (1 << 31);
//4 // Get vendorid/ deviceid
// set up address port at 0xCF8 offset field= 0 (dev|vend)
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport);
// now grab data port with device|vendor 4 byte dword
NdisRawReadPortUlong(PCI_CONF_DATA, &dev_venid);
// if data port is full of 1s, no device is present
// some broken boards return 0 if a slot is empty:
if (dev_venid == 0xFFFFFFFF || dev_venid == 0)
continue; //PCI_INVALID_VENDORID
// 4 // Get irql
regoffset = 0x3C;
pcicfg_addrport = (busnum_idx << 16) | (devicenum_idx << 11) | (functionnum_idx << 8) | (1 << 31) | (regoffset & 0xFFFFFFFC);
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport);
NdisRawReadPortUchar((PCI_CONF_DATA +(regoffset & 0x3)), &irqline);
venId = (u16) (dev_venid >> 0) & 0xFFFF;
devId = (u16) (dev_venid >> 16) & 0xFFFF;
// Check Vendor ID
if (!b_bridgechk && (venId != vendorid) && (vendorid != U2DONTCARE))
continue;
// Check Device ID
if (!b_bridgechk && (devId != deviceid) && (deviceid != U2DONTCARE))
continue;
// Check irql
if (!b_bridgechk && (irqline != irql) && (irql != U1DONTCARE))
continue;
//4 get Class Code
pcicfg_addrport = (busnum_idx << 16) | (devicenum_idx << 11) | (functionnum_idx << 8) | (1 << 31);
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (2 << 2));
NdisRawReadPortUlong(PCI_CONF_DATA, &classcode);
classcode = classcode >> 8;
basec = (u8) (classcode >> 16) & 0xFF;
subc = (u8) (classcode >> 8) & 0xFF;
if (b_bridgechk && (venId != vendorid) && (basec == basecode) && (subc == subclass))
return _TRUE;
// Check Vendor ID
if (b_bridgechk && (venId != vendorid) && (vendorid != U2DONTCARE))
continue;
// Check Device ID
if (b_bridgechk && (devId != deviceid) && (deviceid != U2DONTCARE))
continue;
// Check irql
if (b_bridgechk && (irqline != irql) && (irql != U1DONTCARE))
continue;
//4 get field 0x19 value (DWORD #6)
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (6 << 2));
NdisRawReadPortUlong(PCI_CONF_DATA, &field19);
field19 = (field19 >> 8) & 0xFF;
//4 Matching Class Code and filed19.
if ((basec == basecode) && (subc == subclass) && ((field19 == filed19val) || (filed19val == U1DONTCARE))) {
*busnum = busnum_idx;
*devnum = devicenum_idx;
*funcnum = functionnum_idx;
DBG_871X("GetPciBusInfo(): Find Device(%X:%X) bus=%d dev=%d, func=%d\n",
vendorid, deviceid, busnum_idx, devicenum_idx, functionnum_idx);
return _TRUE;
}
}
}
}
DBG_871X("GetPciBusInfo(): Cannot Find Device(%X:%X:%X)\n", vendorid, deviceid, dev_venid);
return _FALSE;
}
static u8
rtw_get_pci_brideg_info(_adapter *padapter,
u8 basecode,
u8 subclass,
u8 filed19val, u8 * busnum, u8 * devnum,
u8 * funcnum, u16 * vendorid, u16 * deviceid)
{
u8 busnum_idx, devicenum_idx, functionnum_idx;
u32 pcicfg_addrport = 0;
u32 dev_venid, classcode, field19, headertype;
u16 venId, devId;
u8 basec, subc, irqline;
u16 regoffset;
u8 b_singlefunc = _FALSE;
*busnum = 0xFF;
*devnum = 0xFF;
*funcnum = 0xFF;
// perform a complete pci bus scan operation
for (busnum_idx = 0; busnum_idx < PCI_MAX_BRIDGE_NUMBER; busnum_idx++) //255
{
for (devicenum_idx = 0; devicenum_idx < PCI_MAX_DEVICES; devicenum_idx++) //32
{
b_singlefunc = _FALSE;
for (functionnum_idx = 0; functionnum_idx < PCI_MAX_FUNCTION; functionnum_idx++) //8
{
//
// <Roger_Notes> We have to skip redundant Bus scan to prevent unexpected system hang
// if single function is present in this device.
// 2009.02.26.
//
if (functionnum_idx == 0)
{
//4 get header type (DWORD #3)
pcicfg_addrport = (busnum_idx << 16) | (devicenum_idx << 11) | (functionnum_idx << 8) | (1 << 31);
//NdisRawWritePortUlong((ULONG_PTR)PCI_CONF_ADDRESS , pcicfg_addrport + (3 << 2));
//NdisRawReadPortUlong((ULONG_PTR)PCI_CONF_DATA, &headertype);
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (3 << 2));
NdisRawReadPortUlong(PCI_CONF_DATA, &headertype);
headertype = ((headertype >> 16) & 0x0080) >> 7; // address 0x0e[7].
if (headertype == 0) //Single function
b_singlefunc = _TRUE;
}
else
{//By pass the following scan process.
if (b_singlefunc == _TRUE)
break;
}
pcicfg_addrport = (busnum_idx << 16) | (devicenum_idx << 11) | (functionnum_idx << 8) | (1 << 31);
//4 // Get vendorid/ deviceid
// set up address port at 0xCF8 offset field= 0 (dev|vend)
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport);
// now grab data port with device|vendor 4 byte dword
NdisRawReadPortUlong(PCI_CONF_DATA, &dev_venid);
//4 Get irql
regoffset = 0x3C;
pcicfg_addrport = (busnum_idx << 16) | (devicenum_idx << 11) | (functionnum_idx << 8) | (1 << 31) | (regoffset & 0xFFFFFFFC);
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport);
NdisRawReadPortUchar((PCI_CONF_DATA + (regoffset & 0x3)), &irqline);
venId = (u16) (dev_venid >> 0) & 0xFFFF;
devId = (u16) (dev_venid >> 16) & 0xFFFF;
//4 get Class Code
pcicfg_addrport = (busnum_idx << 16) | (devicenum_idx << 11) | (functionnum_idx << 8) | (1 << 31);
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (2 << 2));
NdisRawReadPortUlong(PCI_CONF_DATA, &classcode);
classcode = classcode >> 8;
basec = (u8) (classcode >> 16) & 0xFF;
subc = (u8) (classcode >> 8) & 0xFF;
//4 get field 0x19 value (DWORD #6)
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (6 << 2));
NdisRawReadPortUlong(PCI_CONF_DATA, &field19);
field19 = (field19 >> 8) & 0xFF;
//4 Matching Class Code and filed19.
if ((basec == basecode) && (subc == subclass) && ((field19 == filed19val) || (filed19val == U1DONTCARE))) {
*busnum = busnum_idx;
*devnum = devicenum_idx;
*funcnum = functionnum_idx;
*vendorid = venId;
*deviceid = devId;
DBG_871X("GetPciBridegInfo : Find Device(%X:%X) bus=%d dev=%d, func=%d\n",
venId, devId, busnum_idx, devicenum_idx, functionnum_idx);
return _TRUE;
}
}
}
}
DBG_871X("GetPciBridegInfo(): Cannot Find PciBridge for Device\n");
return _FALSE;
} // end of GetPciBridegInfo
//
//Description:
//To find specific bridge information.
//
static void rtw_find_bridge_info(_adapter *padapter)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct pci_priv *pcipriv = &(pdvobjpriv->pcipriv);
u8 pcibridge_busnum = 0xff;
u8 pcibridge_devnum = 0xff;
u8 pcibridge_funcnum = 0xff;
u16 pcibridge_vendorid = 0xff;
u16 pcibridge_deviceid = 0xff;
u8 tmp = 0;
rtw_get_pci_brideg_info(padapter,
PCI_CLASS_BRIDGE_DEV,
PCI_SUBCLASS_BR_PCI_TO_PCI,
pcipriv->busnumber,
&pcibridge_busnum,
&pcibridge_devnum, &pcibridge_funcnum,
&pcibridge_vendorid, &pcibridge_deviceid);
// match the array of vendor id and regonize which chipset is used.
pcipriv->pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN;
for (tmp = 0; tmp < PCI_BRIDGE_VENDOR_MAX; tmp++) {
if (pcibridge_vendorid == pcibridge_vendors[tmp]) {
pcipriv->pcibridge_vendor = tmp;
DBG_871X("Pci Bridge Vendor is found index: %d\n", tmp);
break;
}
}
DBG_871X("Pci Bridge Vendor is %x\n", pcibridge_vendors[tmp]);
// Update corresponding PCI bus info.
pcipriv->pcibridge_busnum = pcibridge_busnum;
pcipriv->pcibridge_devnum = pcibridge_devnum;
pcipriv->pcibridge_funcnum = pcibridge_funcnum;
pcipriv->pcibridge_vendorid = pcibridge_vendorid;
pcipriv->pcibridge_deviceid = pcibridge_deviceid;
}
static u8
rtw_get_amd_l1_patch(_adapter *padapter, u8 busnum, u8 devnum,
u8 funcnum)
{
u8 status = _FALSE;
u8 offset_e0;
unsigned offset_e4;
u32 pcicfg_addrport = 0;
pcicfg_addrport = (busnum << 16) | (devnum << 11) | (funcnum << 8) | (1 << 31);
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + 0xE0);
NdisRawWritePortUchar(PCI_CONF_DATA, 0xA0);
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + 0xE0);
NdisRawReadPortUchar(PCI_CONF_DATA, &offset_e0);
if (offset_e0 == 0xA0)
{
NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + 0xE4);
NdisRawReadPortUlong(PCI_CONF_DATA, &offset_e4);
//DbgPrint("Offset E4 %x\n", offset_e4);
if (offset_e4 & BIT(23))
status = _TRUE;
}
return status;
}
#else
/*Disable RTL8192SE ASPM & Disable Pci Bridge ASPM*/
void rtw_pci_disable_aspm(_adapter *padapter)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(pdvobjpriv);
struct pci_dev *pdev = pdvobjpriv->ppcidev;
struct pci_dev *bridge_pdev = pdev->bus->self;
struct pci_priv *pcipriv = &(pdvobjpriv->pcipriv);
u8 linkctrl_reg;
u16 pcibridge_linkctrlreg;
u16 aspmlevel = 0;
// We do not diable/enable ASPM by driver, in the future, the BIOS will enable host and NIC ASPM.
// Advertised by SD1 victorh. Added by tynli. 2009.11.23.
if(pdvobjpriv->const_pci_aspm == 0)
return;
if(!padapter->hw_init_completed)
return;
if (pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s(): PCI(Bridge) UNKNOWN.\n", __FUNCTION__));
return;
}
linkctrl_reg = pcipriv->linkctrl_reg;
pcibridge_linkctrlreg = pcipriv->pcibridge_linkctrlreg;
// Set corresponding value.
aspmlevel |= BIT(0) | BIT(1);
linkctrl_reg &=~aspmlevel;
pcibridge_linkctrlreg &=~aspmlevel;
if (pwrpriv->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
RT_CLEAR_PS_LEVEL(pwrpriv, RT_RF_OFF_LEVL_CLK_REQ);
rtw_pci_switch_clk_req(padapter, 0x0);
}
{
/*for promising device will in L0 state after an I/O.*/
u8 tmp_u1b;
pci_read_config_byte(pdev, 0x80, &tmp_u1b);
}
rtw_pci_platform_switch_device_pci_aspm(padapter, linkctrl_reg);
rtw_udelay_os(50);
//When there exists anyone's BusNum, DevNum, and FuncNum that are set to 0xff,
// we do not execute any action and return. Added by tynli.
if( (pcipriv->busnumber == 0xff && pcipriv->devnumber == 0xff && pcipriv->funcnumber == 0xff) ||
(pcipriv->pcibridge_busnum == 0xff && pcipriv->pcibridge_devnum == 0xff && pcipriv->pcibridge_funcnum == 0xff) )
{
// Do Nothing!!
}
else
{
/*Disable Pci Bridge ASPM*/
//NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + (num4bytes << 2));
//NdisRawWritePortUchar(PCI_CONF_DATA, pcibridge_linkctrlreg);
pci_write_config_byte(bridge_pdev, pcipriv->pcibridge_pciehdr_offset + 0x10, pcibridge_linkctrlreg);
DBG_871X("rtw_pci_disable_aspm():PciBridge busnumber[%x], DevNumbe[%x], funcnumber[%x], Write reg[%x] = %x\n",
pcipriv->pcibridge_busnum, pcipriv->pcibridge_devnum,
pcipriv->pcibridge_funcnum,
(pcipriv->pcibridge_pciehdr_offset+0x10), pcibridge_linkctrlreg);
rtw_udelay_os(50);
}
}
/*Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for
power saving We should follow the sequence to enable
RTL8192SE first then enable Pci Bridge ASPM
or the system will show bluescreen.*/
void rtw_pci_enable_aspm(_adapter *padapter)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(pdvobjpriv);
struct pci_dev *pdev = pdvobjpriv->ppcidev;
struct pci_dev *bridge_pdev = pdev->bus->self;
struct pci_priv *pcipriv = &(pdvobjpriv->pcipriv);
u16 aspmlevel = 0;
u8 u_pcibridge_aspmsetting = 0;
u8 u_device_aspmsetting = 0;
u32 u_device_aspmsupportsetting = 0;
// We do not diable/enable ASPM by driver, in the future, the BIOS will enable host and NIC ASPM.
// Advertised by SD1 victorh. Added by tynli. 2009.11.23.
if(pdvobjpriv->const_pci_aspm == 0)
return;
//When there exists anyone's BusNum, DevNum, and FuncNum that are set to 0xff,
// we do not execute any action and return. Added by tynli.
if( (pcipriv->busnumber == 0xff && pcipriv->devnumber == 0xff && pcipriv->funcnumber == 0xff) ||
(pcipriv->pcibridge_busnum == 0xff && pcipriv->pcibridge_devnum == 0xff && pcipriv->pcibridge_funcnum == 0xff) )
{
DBG_871X("rtw_pci_enable_aspm(): Fail to enable ASPM. Cannot find the Bus of PCI(Bridge).\n");
return;
}
//Get Bridge ASPM Support
//not to enable bridge aspm if bridge does not support
//Added by sherry 20100803
if (IS_HARDWARE_TYPE_8192DE(padapter))
{
//PciCfgAddrPort = (pcipriv->pcibridge_busnum << 16)|(pcipriv->pcibridge_devnum<< 11)|(pcipriv->pcibridge_funcnum << 8)|(1 << 31);
//Num4Bytes = (pcipriv->pcibridge_pciehdr_offset+0x0C)/4;
//NdisRawWritePortUlong((ULONG_PTR)PCI_CONF_ADDRESS , PciCfgAddrPort+(Num4Bytes << 2));
//NdisRawReadPortUlong((ULONG_PTR)PCI_CONF_DATA,&uDeviceASPMSupportSetting);
pci_read_config_dword(bridge_pdev, (pcipriv->pcibridge_pciehdr_offset+0x0C), &u_device_aspmsupportsetting);
DBG_871X("rtw_pci_enable_aspm(): Bridge ASPM support %x \n",u_device_aspmsupportsetting);
if(((u_device_aspmsupportsetting & BIT(11)) != BIT(11)) || ((u_device_aspmsupportsetting & BIT(10)) != BIT(10)))
{
if(pdvobjpriv->const_devicepci_aspm_setting == 3)
{
DBG_871X("rtw_pci_enable_aspm(): Bridge not support L0S or L1\n");
return;
}
else if(pdvobjpriv->const_devicepci_aspm_setting == 2)
{
if((u_device_aspmsupportsetting & BIT(11)) != BIT(11))
{
DBG_871X("rtw_pci_enable_aspm(): Bridge not support L1 \n");
return;
}
}
else if(pdvobjpriv->const_devicepci_aspm_setting == 1)
{
if((u_device_aspmsupportsetting & BIT(10)) != BIT(10))
{
DBG_871X("rtw_pci_enable_aspm(): Bridge not support L0s \n");
return;
}
}
}
else
{
DBG_871X("rtw_pci_enable_aspm(): Bridge support L0s and L1 \n");
}
}
/*Enable Pci Bridge ASPM*/
//PciCfgAddrPort = (pcipriv->pcibridge_busnum << 16)|(pcipriv->pcibridge_devnum<< 11) |(pcipriv->pcibridge_funcnum << 8)|(1 << 31);
//Num4Bytes = (pcipriv->pcibridge_pciehdr_offset+0x10)/4;
// set up address port at 0xCF8 offset field= 0 (dev|vend)
//NdisRawWritePortUlong(PCI_CONF_ADDRESS, PciCfgAddrPort + (Num4Bytes << 2));
// now grab data port with device|vendor 4 byte dword
u_pcibridge_aspmsetting = pcipriv->pcibridge_linkctrlreg;
u_pcibridge_aspmsetting |= pdvobjpriv->const_hostpci_aspm_setting;
if (pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL ||
pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_SIS )
u_pcibridge_aspmsetting &= ~BIT(0); // for intel host 42 device 43
//NdisRawWritePortUchar(PCI_CONF_DATA, u_pcibridge_aspmsetting);
pci_write_config_byte(bridge_pdev, (pcipriv->pcibridge_pciehdr_offset+0x10), u_pcibridge_aspmsetting);
DBG_871X("PlatformEnableASPM():PciBridge busnumber[%x], DevNumbe[%x], funcnumber[%x], Write reg[%x] = %x\n",
pcipriv->pcibridge_busnum, pcipriv->pcibridge_devnum, pcipriv->pcibridge_funcnum,
(pcipriv->pcibridge_pciehdr_offset+0x10),
u_pcibridge_aspmsetting);
rtw_udelay_os(50);
/*Get ASPM level (with/without Clock Req)*/
aspmlevel |= pdvobjpriv->const_devicepci_aspm_setting;
u_device_aspmsetting = pcipriv->linkctrl_reg;
u_device_aspmsetting |= aspmlevel; // device 43
rtw_pci_platform_switch_device_pci_aspm(padapter, u_device_aspmsetting);
if (pwrpriv->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) {
rtw_pci_switch_clk_req(padapter, (pwrpriv->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) ? 1 : 0);
RT_SET_PS_LEVEL(pwrpriv, RT_RF_OFF_LEVL_CLK_REQ);
}
rtw_udelay_os(50);
}
static u8 rtw_pci_get_amd_l1_patch(struct dvobj_priv *pdvobjpriv)
{
struct pci_dev *pdev = pdvobjpriv->ppcidev;
struct pci_dev *bridge_pdev = pdev->bus->self;
u8 status = _FALSE;
u8 offset_e0;
u32 offset_e4;
//NdisRawWritePortUlong(PCI_CONF_ADDRESS,pcicfg_addrport + 0xE0);
//NdisRawWritePortUchar(PCI_CONF_DATA, 0xA0);
pci_write_config_byte(bridge_pdev, 0xE0, 0xA0);
//NdisRawWritePortUlong(PCI_CONF_ADDRESS,pcicfg_addrport + 0xE0);
//NdisRawReadPortUchar(PCI_CONF_DATA, &offset_e0);
pci_read_config_byte(bridge_pdev, 0xE0, &offset_e0);
if (offset_e0 == 0xA0) {
//NdisRawWritePortUlong(PCI_CONF_ADDRESS, pcicfg_addrport + 0xE4);
//NdisRawReadPortUlong(PCI_CONF_DATA, &offset_e4);
pci_read_config_dword(bridge_pdev, 0xE4, &offset_e4);
if (offset_e4 & BIT(23))
status = _TRUE;
}
return status;
}
static void rtw_pci_get_linkcontrol_field(struct dvobj_priv *pdvobjpriv)
{
struct pci_priv *pcipriv = &(pdvobjpriv->pcipriv);
struct pci_dev *pdev = pdvobjpriv->ppcidev;
struct pci_dev *bridge_pdev = pdev->bus->self;
u8 capabilityoffset = pcipriv->pcibridge_pciehdr_offset;
u8 linkctrl_reg;
/*Read Link Control Register*/
pci_read_config_byte(bridge_pdev, capabilityoffset + PCI_EXP_LNKCTL, &linkctrl_reg);
pcipriv->pcibridge_linkctrlreg = linkctrl_reg;
}
#endif
static void rtw_pci_parse_configuration(struct pci_dev *pdev, struct dvobj_priv *pdvobjpriv)
{
struct pci_priv *pcipriv = &(pdvobjpriv->pcipriv);
u8 tmp;
int pos;
u8 linkctrl_reg;
//Link Control Register
pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &linkctrl_reg);
pcipriv->linkctrl_reg = linkctrl_reg;
//DBG_871X("Link Control Register = %x\n", pcipriv->linkctrl_reg);
pci_read_config_byte(pdev, 0x98, &tmp);
tmp |= BIT(4);
pci_write_config_byte(pdev, 0x98, tmp);
//tmp = 0x17;
//pci_write_config_byte(pdev, 0x70f, tmp);
}
//
// Update PCI dependent default settings.
//
static void rtw_pci_update_default_setting(_adapter *padapter)
{
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
struct pci_priv *pcipriv = &(pdvobjpriv->pcipriv);
struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(pdvobjpriv);
//reset pPSC->reg_rfps_level & priv->b_support_aspm
pwrpriv->reg_rfps_level = 0;
pwrpriv->b_support_aspm = 0;
// Dynamic Mechanism,
//rtw_hal_set_def_var(pAdapter, HAL_DEF_INIT_GAIN, &(pDevice->InitGainState));
// Update PCI ASPM setting
pwrpriv->const_amdpci_aspm = pdvobjpriv->const_amdpci_aspm;
switch (pdvobjpriv->const_pci_aspm) {
case 0: // No ASPM
break;
case 1: // ASPM dynamically enabled/disable.
pwrpriv->reg_rfps_level |= RT_RF_LPS_LEVEL_ASPM;
break;
case 2: // ASPM with Clock Req dynamically enabled/disable.
pwrpriv->reg_rfps_level |= (RT_RF_LPS_LEVEL_ASPM | RT_RF_OFF_LEVL_CLK_REQ);
break;
case 3: // Always enable ASPM and Clock Req from initialization to halt.
pwrpriv->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM);
pwrpriv->reg_rfps_level |= (RT_RF_PS_LEVEL_ALWAYS_ASPM | RT_RF_OFF_LEVL_CLK_REQ);
break;
case 4: // Always enable ASPM without Clock Req from initialization to halt.
pwrpriv->reg_rfps_level &= ~(RT_RF_LPS_LEVEL_ASPM | RT_RF_OFF_LEVL_CLK_REQ);
pwrpriv->reg_rfps_level |= RT_RF_PS_LEVEL_ALWAYS_ASPM;
break;
}
pwrpriv->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC;
// Update Radio OFF setting
switch (pdvobjpriv->const_hwsw_rfoff_d3) {
case 1:
if (pwrpriv->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM)
pwrpriv->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM;
break;
case 2:
if (pwrpriv->reg_rfps_level & RT_RF_LPS_LEVEL_ASPM)
pwrpriv->reg_rfps_level |= RT_RF_OFF_LEVL_ASPM;
pwrpriv->reg_rfps_level |= RT_RF_OFF_LEVL_HALT_NIC;
break;
case 3:
pwrpriv->reg_rfps_level |= RT_RF_OFF_LEVL_PCI_D3;
break;
}
// Update Rx 2R setting
//pPSC->reg_rfps_level |= ((pDevice->RegLPS2RDisable) ? RT_RF_LPS_DISALBE_2R : 0);
//
// Set HW definition to determine if it supports ASPM.
//
switch (pdvobjpriv->const_support_pciaspm) {
case 0: // Not support ASPM.
{
u8 b_support_aspm = _FALSE;
pwrpriv->b_support_aspm = b_support_aspm;
}
break;
case 1: // Support ASPM.
{
u8 b_support_aspm = _TRUE;
u8 b_support_backdoor = _TRUE;
pwrpriv->b_support_aspm = b_support_aspm;
/*if(pAdapter->MgntInfo.CustomerID == RT_CID_TOSHIBA &&
pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_AMD &&
!pcipriv->amd_l1_patch)
b_support_backdoor = _FALSE;*/
pwrpriv->b_support_backdoor = b_support_backdoor;
}
break;
case 2: // Set by Chipset.
// ASPM value set by chipset.
if (pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) {
u8 b_support_aspm = _TRUE;
pwrpriv->b_support_aspm = b_support_aspm;
}
break;
default:
// Do nothing. Set when finding the chipset.
break;
}
}
static void rtw_pci_initialize_adapter_common(_adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
rtw_pci_update_default_setting(padapter);
if (pwrpriv->reg_rfps_level & RT_RF_PS_LEVEL_ALWAYS_ASPM) {
// Always enable ASPM & Clock Req.
rtw_pci_enable_aspm(padapter);
RT_SET_PS_LEVEL(pwrpriv, RT_RF_PS_LEVEL_ALWAYS_ASPM);
}
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) || (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
#define rtw_pci_interrupt(x,y,z) rtw_pci_interrupt(x,y)
#endif
static irqreturn_t rtw_pci_interrupt(int irq, void *priv, struct pt_regs *regs)
{
struct dvobj_priv *dvobj = (struct dvobj_priv *)priv;
_adapter *adapter = dvobj->if1;
if (dvobj->irq_enabled == 0) {
return IRQ_HANDLED;
}
if(rtw_hal_interrupt_handler(adapter) == _FAIL)
return IRQ_HANDLED;
//return IRQ_NONE;
return IRQ_HANDLED;
}
#ifdef RTK_DMP_PLATFORM
#define pci_iounmap(x,y) iounmap(y)
#endif
int pci_alloc_irq(struct dvobj_priv *dvobj)
{
int err;
struct pci_dev *pdev = dvobj->ppcidev;
#if defined(IRQF_SHARED)
err = request_irq(pdev->irq, &rtw_pci_interrupt, IRQF_SHARED, DRV_NAME, dvobj);
#else
err = request_irq(pdev->irq, &rtw_pci_interrupt, SA_SHIRQ, DRV_NAME, dvobj);
#endif
if (err) {
DBG_871X("Error allocating IRQ %d",pdev->irq);
} else {
dvobj->irq_alloc = 1;
DBG_871X("Request_irq OK, IRQ %d\n",pdev->irq);
}
return err?_FAIL:_SUCCESS;
}
static struct dvobj_priv *pci_dvobj_init(struct pci_dev *pdev)
{
int err;
u32 status = _FAIL;
struct dvobj_priv *dvobj = NULL;
struct pci_priv *pcipriv = NULL;
struct pci_dev *bridge_pdev = pdev->bus->self;
unsigned long pmem_start, pmem_len, pmem_flags;
u8 tmp;
_func_enter_;
if ((dvobj = (struct dvobj_priv*)rtw_zmalloc(sizeof(*dvobj))) == NULL) {
goto exit;
}
dvobj->ppcidev = pdev;
pcipriv = &(dvobj->pcipriv);
pci_set_drvdata(pdev, dvobj);
_rtw_mutex_init(&dvobj->hw_init_mutex);
_rtw_mutex_init(&dvobj->h2c_fwcmd_mutex);
_rtw_mutex_init(&dvobj->setch_mutex);
_rtw_mutex_init(&dvobj->setbw_mutex);
dvobj->processing_dev_remove = _FALSE;
if ( (err = pci_enable_device(pdev)) != 0) {
DBG_871X(KERN_ERR "%s : Cannot enable new PCI device\n", pci_name(pdev));
goto free_dvobj;
}
#ifdef CONFIG_64BIT_DMA
if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
DBG_871X("RTL819xCE: Using 64bit DMA\n");
if ((err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) != 0) {
DBG_871X(KERN_ERR "Unable to obtain 64bit DMA for consistent allocations\n");
goto disable_picdev;
}
dvobj->bdma64 = _TRUE;
} else
#endif
{
if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
if ((err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) {
DBG_871X(KERN_ERR "Unable to obtain 32bit DMA for consistent allocations\n");
goto disable_picdev;
}
}
}
pci_set_master(pdev);
if ((err = pci_request_regions(pdev, DRV_NAME)) != 0) {
DBG_871X(KERN_ERR "Can't obtain PCI resources\n");
goto disable_picdev;
}
//MEM map
pmem_start = pci_resource_start(pdev, 2);
pmem_len = pci_resource_len(pdev, 2);
pmem_flags = pci_resource_flags(pdev, 2);
#ifdef RTK_DMP_PLATFORM
dvobj->pci_mem_start = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
#else
dvobj->pci_mem_start = (unsigned long)pci_iomap(pdev, 2, pmem_len); /* shared mem start */
#endif
if (dvobj->pci_mem_start == 0) {
DBG_871X(KERN_ERR "Can't map PCI mem\n");
goto release_regions;
}
DBG_871X("Memory mapped space start: 0x%08lx len:%08lx flags:%08lx, after map:0x%08lx\n",
pmem_start, pmem_len, pmem_flags, dvobj->pci_mem_start);
// Disable Clk Request */
pci_write_config_byte(pdev, 0x81, 0);
// leave D3 mode */
pci_write_config_byte(pdev, 0x44, 0);
pci_write_config_byte(pdev, 0x04, 0x06);
pci_write_config_byte(pdev, 0x04, 0x07);
#if 1
/*find bus info*/
pcipriv->busnumber = pdev->bus->number;
pcipriv->devnumber = PCI_SLOT(pdev->devfn);
pcipriv->funcnumber = PCI_FUNC(pdev->devfn);
/*find bridge info*/
pcipriv->pcibridge_vendor = PCI_BRIDGE_VENDOR_UNKNOWN;
if(bridge_pdev){
pcipriv->pcibridge_vendorid = bridge_pdev->vendor;
for (tmp = 0; tmp < PCI_BRIDGE_VENDOR_MAX; tmp++) {
if (bridge_pdev->vendor == pcibridge_vendors[tmp]) {
pcipriv->pcibridge_vendor = tmp;
DBG_871X("Pci Bridge Vendor is found index: %d, %x\n", tmp, pcibridge_vendors[tmp]);
break;
}
}
}
//if (pcipriv->pcibridge_vendor != PCI_BRIDGE_VENDOR_UNKNOWN) {
if(bridge_pdev){
pcipriv->pcibridge_busnum = bridge_pdev->bus->number;
pcipriv->pcibridge_devnum = PCI_SLOT(bridge_pdev->devfn);
pcipriv->pcibridge_funcnum = PCI_FUNC(bridge_pdev->devfn);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34))
pcipriv->pcibridge_pciehdr_offset = pci_find_capability(bridge_pdev, PCI_CAP_ID_EXP);
#else
pcipriv->pcibridge_pciehdr_offset = bridge_pdev->pcie_cap;
#endif
rtw_pci_get_linkcontrol_field(dvobj);
if (pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_AMD) {
pcipriv->amd_l1_patch = rtw_pci_get_amd_l1_patch(dvobj);
}
}
#else
//
// Find bridge related info.
//
rtw_get_pci_bus_info(padapter,
pdev->vendor,
pdev->device,
(u8) pdvobjpriv->irqline,
0x02, 0x80, U1DONTCARE,
&pcipriv->busnumber,
&pcipriv->devnumber,
&pcipriv->funcnumber);
rtw_find_bridge_info(padapter);
if (pcipriv->pcibridge_vendor != PCI_BRIDGE_VENDOR_UNKNOWN) {
rtw_get_link_control_field(padapter,
pcipriv->pcibridge_busnum,
pcipriv->pcibridge_devnum,
pcipriv->pcibridge_funcnum);
if (pcipriv->pcibridge_vendor == PCI_BRIDGE_VENDOR_AMD) {
pcipriv->amd_l1_patch =
rtw_get_amd_l1_patch(padapter,
pcipriv->pcibridge_busnum,
pcipriv->pcibridge_devnum,
pcipriv->pcibridge_funcnum);
}
}
#endif
//
// Allow the hardware to look at PCI config information.
//
rtw_pci_parse_configuration(pdev, dvobj);
DBG_871X("pcidev busnumber:devnumber:funcnumber:"
"vendor:link_ctl %d:%d:%d:%x:%x\n",
pcipriv->busnumber,
pcipriv->devnumber,
pcipriv->funcnumber,
pdev->vendor,
pcipriv->linkctrl_reg);
DBG_871X("pci_bridge busnumber:devnumber:funcnumber:vendor:"
"pcie_cap:link_ctl_reg: %d:%d:%d:%x:%x:%x:%x\n",
pcipriv->pcibridge_busnum,
pcipriv->pcibridge_devnum,
pcipriv->pcibridge_funcnum,
pcibridge_vendors[pcipriv->pcibridge_vendor],
pcipriv->pcibridge_pciehdr_offset,
pcipriv->pcibridge_linkctrlreg,
pcipriv->amd_l1_patch);
status = _SUCCESS;
iounmap:
if (status != _SUCCESS && dvobj->pci_mem_start != 0) {
pci_iounmap(pdev, (void *)dvobj->pci_mem_start);
dvobj->pci_mem_start = 0;
}
release_regions:
if (status != _SUCCESS)
pci_release_regions(pdev);
disable_picdev:
if (status != _SUCCESS)
pci_disable_device(pdev);
free_dvobj:
if (status != _SUCCESS && dvobj) {
pci_set_drvdata(pdev, NULL);
_rtw_mutex_free(&dvobj->hw_init_mutex);
_rtw_mutex_free(&dvobj->h2c_fwcmd_mutex);
_rtw_mutex_free(&dvobj->setch_mutex);
_rtw_mutex_free(&dvobj->setbw_mutex);
rtw_mfree((u8*)dvobj, sizeof(*dvobj));
dvobj = NULL;
}
exit:
_func_exit_;
return dvobj;
}
static void pci_dvobj_deinit(struct pci_dev *pdev)
{
struct dvobj_priv *dvobj = pci_get_drvdata(pdev);
_func_enter_;
pci_set_drvdata(pdev, NULL);
if (dvobj) {
if (dvobj->irq_alloc) {
free_irq(pdev->irq, dvobj);
dvobj->irq_alloc = 0;
}
if (dvobj->pci_mem_start != 0) {
pci_iounmap(pdev, (void *)dvobj->pci_mem_start);
dvobj->pci_mem_start = 0;
}
_rtw_mutex_free(&dvobj->hw_init_mutex);
_rtw_mutex_free(&dvobj->h2c_fwcmd_mutex);
_rtw_mutex_free(&dvobj->setch_mutex);
_rtw_mutex_free(&dvobj->setbw_mutex);
rtw_mfree((u8*)dvobj, sizeof(*dvobj));
}
pci_release_regions(pdev);
pci_disable_device(pdev);
_func_exit_;
}
static void decide_chip_type_by_pci_device_id(_adapter *padapter, struct pci_dev *pdev)
{
u16 venderid, deviceid, irqline;
u8 revisionid;
struct dvobj_priv *pdvobjpriv=adapter_to_dvobj(padapter);
venderid = pdev->vendor;
deviceid = pdev->device;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23))
pci_read_config_byte(pdev, PCI_REVISION_ID, &revisionid); // PCI_REVISION_ID 0x08
#else
revisionid = pdev->revision;
#endif
pci_read_config_word(pdev, PCI_INTERRUPT_LINE, &irqline); // PCI_INTERRUPT_LINE 0x3c
pdvobjpriv->irqline = irqline;
//
// Decide hardware type here.
//
if( deviceid == HAL_HW_PCI_8185_DEVICE_ID ||
deviceid == HAL_HW_PCI_8188_DEVICE_ID ||
deviceid == HAL_HW_PCI_8198_DEVICE_ID)
{
DBG_871X("Adapter (8185/8185B) is found- VendorID/DeviceID=%x/%x\n", venderid, deviceid);
padapter->HardwareType=HARDWARE_TYPE_RTL8185;
}
else if (deviceid == HAL_HW_PCI_8190_DEVICE_ID ||
deviceid == HAL_HW_PCI_0045_DEVICE_ID ||
deviceid == HAL_HW_PCI_0046_DEVICE_ID ||
deviceid == HAL_HW_PCI_DLINK_DEVICE_ID)
{
DBG_871X("Adapter(8190 PCI) is found - vendorid/deviceid=%x/%x\n", venderid, deviceid);
padapter->HardwareType = HARDWARE_TYPE_RTL8190P;
}
else if (deviceid == HAL_HW_PCI_8192_DEVICE_ID ||
deviceid == HAL_HW_PCI_0044_DEVICE_ID ||
deviceid == HAL_HW_PCI_0047_DEVICE_ID ||
deviceid == HAL_HW_PCI_8192SE_DEVICE_ID ||
deviceid == HAL_HW_PCI_8174_DEVICE_ID ||
deviceid == HAL_HW_PCI_8173_DEVICE_ID ||
deviceid == HAL_HW_PCI_8172_DEVICE_ID ||
deviceid == HAL_HW_PCI_8171_DEVICE_ID)
{
// 8192e and and 8192se may have the same device ID 8192. However, their Revision
// ID is different
// Added for 92DE. We deferentiate it from SVID,SDID.
if( pdev->subsystem_vendor == 0x10EC && pdev->subsystem_device == 0xE020){
padapter->HardwareType = HARDWARE_TYPE_RTL8192DE;
DBG_871X("Adapter(8192DE) is found - VendorID/DeviceID/RID=%X/%X/%X\n", venderid, deviceid, revisionid);
}else{
switch (revisionid) {
case HAL_HW_PCI_REVISION_ID_8192PCIE:
DBG_871X("Adapter(8192 PCI-E) is found - vendorid/deviceid=%x/%x\n", venderid, deviceid);
padapter->HardwareType = HARDWARE_TYPE_RTL8192E;
break;
case HAL_HW_PCI_REVISION_ID_8192SE:
DBG_871X("Adapter(8192SE) is found - vendorid/deviceid=%x/%x\n", venderid, deviceid);
padapter->HardwareType = HARDWARE_TYPE_RTL8192SE;
break;
default:
DBG_871X("Err: Unknown device - vendorid/deviceid=%x/%x\n", venderid, deviceid);
padapter->HardwareType = HARDWARE_TYPE_RTL8192SE;
break;
}
}
}
else if(deviceid==HAL_HW_PCI_8723E_DEVICE_ID )
{//RTL8723E may have the same device ID with RTL8192CET
padapter->HardwareType = HARDWARE_TYPE_RTL8723AE;
DBG_871X("Adapter(8723 PCI-E) is found - VendorID/DeviceID=%x/%x\n", venderid, deviceid);
}
else if (deviceid == HAL_HW_PCI_8192CET_DEVICE_ID ||
deviceid == HAL_HW_PCI_8192CE_DEVICE_ID ||
deviceid == HAL_HW_PCI_8191CE_DEVICE_ID ||
deviceid == HAL_HW_PCI_8188CE_DEVICE_ID)
{
DBG_871X("Adapter(8192C PCI-E) is found - vendorid/deviceid=%x/%x\n", venderid, deviceid);
padapter->HardwareType = HARDWARE_TYPE_RTL8192CE;
}
else if (deviceid == HAL_HW_PCI_8192DE_DEVICE_ID ||
deviceid == HAL_HW_PCI_002B_DEVICE_ID ){
padapter->HardwareType = HARDWARE_TYPE_RTL8192DE;
DBG_871X("Adapter(8192DE) is found - VendorID/DeviceID/RID=%X/%X/%X\n", venderid, deviceid, revisionid);
}
else if (deviceid == HAL_HW_PCI_8188EE_DEVICE_ID){
padapter->HardwareType = HARDWARE_TYPE_RTL8188EE;
padapter->chip_type = RTL8188E;
DBG_871X("Adapter(8188EE) is found - VendorID/DeviceID/RID=%X/%X/%X\n", venderid, deviceid, revisionid);
}
else
{
DBG_871X("Err: Unknown device - vendorid/deviceid=%x/%x\n", venderid, deviceid);
//padapter->HardwareType = HAL_DEFAULT_HARDWARE_TYPE;
}
padapter->chip_type = NULL_CHIP_TYPE;
//TODO:
#ifdef CONFIG_RTL8192C
padapter->chip_type = RTL8188C_8192C;
padapter->HardwareType = HARDWARE_TYPE_RTL8192CE;
#endif
#ifdef CONFIG_RTL8192D
pdvobjpriv->InterfaceNumber = revisionid;
padapter->chip_type = RTL8192D;
padapter->HardwareType = HARDWARE_TYPE_RTL8192DE;
#endif
}
static void pci_intf_start(_adapter *padapter)
{
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("+pci_intf_start\n"));
DBG_871X("+pci_intf_start\n");
//Enable hw interrupt
rtw_hal_enable_interrupt(padapter);
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("-pci_intf_start\n"));
DBG_871X("-pci_intf_start\n");
}
static void pci_intf_stop(_adapter *padapter)
{
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("+pci_intf_stop\n"));
//Disable hw interrupt
if(padapter->bSurpriseRemoved == _FALSE)
{
//device still exists, so driver can do i/o operation
rtw_hal_disable_interrupt(padapter);
tasklet_disable(&(padapter->recvpriv.recv_tasklet));
tasklet_disable(&(padapter->recvpriv.irq_prepare_beacon_tasklet));
tasklet_disable(&(padapter->xmitpriv.xmit_tasklet));
#ifdef CONFIG_CONCURRENT_MODE
/* This function only be called at driver removing. disable buddy_adapter too
don't disable interrupt of buddy_adapter because it is same as primary.
*/
if (padapter->pbuddy_adapter){
tasklet_disable(&(padapter->pbuddy_adapter->recvpriv.recv_tasklet));
tasklet_disable(&(padapter->pbuddy_adapter->recvpriv.irq_prepare_beacon_tasklet));
tasklet_disable(&(padapter->pbuddy_adapter->xmitpriv.xmit_tasklet));
}
#endif
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("pci_intf_stop: SurpriseRemoved==_FALSE\n"));
}
else
{
// Clear irq_enabled to prevent handle interrupt function.
adapter_to_dvobj(padapter)->irq_enabled = 0;
}
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("-pci_intf_stop\n"));
}
void rtw_dev_unload(_adapter *padapter)
{
struct net_device *pnetdev= (struct net_device*)padapter->pnetdev;
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("+rtw_dev_unload\n"));
if(padapter->bup == _TRUE)
{
DBG_871X("+rtw_dev_unload\n");
padapter->bDriverStopped = _TRUE;
#ifdef CONFIG_XMIT_ACK
if (padapter->xmitpriv.ack_tx)
rtw_ack_tx_done(&padapter->xmitpriv, RTW_SCTX_DONE_DRV_STOP);
#endif
//s3.
if(padapter->intf_stop)
{
padapter->intf_stop(padapter);
}
//s4.
rtw_stop_drv_threads(padapter);
//s5.
if(padapter->bSurpriseRemoved == _FALSE)
{
DBG_871X("r871x_dev_unload()->rtl871x_hal_deinit()\n");
rtw_hal_deinit(padapter);
padapter->bSurpriseRemoved = _TRUE;
}
padapter->bup = _FALSE;
}
else
{
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("r871x_dev_unload():padapter->bup == _FALSE\n" ));
}
DBG_871X("-rtw_dev_unload\n");
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("-rtw_dev_unload\n"));
}
static void disable_ht_for_spec_devid(const struct pci_device_id *pdid)
{
#ifdef CONFIG_80211N_HT
u16 vid, pid;
u32 flags;
int i;
int num = sizeof(specific_device_id_tbl)/sizeof(struct specific_device_id);
for(i=0; i<num; i++)
{
vid = specific_device_id_tbl[i].idVendor;
pid = specific_device_id_tbl[i].idProduct;
flags = specific_device_id_tbl[i].flags;
if((pdid->vendor==vid) && (pdid->device==pid) && (flags&SPEC_DEV_ID_DISABLE_HT))
{
rtw_ht_enable = 0;
rtw_cbw40_enable = 0;
rtw_ampdu_enable = 0;
}
}
#endif
}
#ifdef CONFIG_PM
static int rtw_suspend(struct pci_dev *pdev, pm_message_t state)
{
_func_enter_;
_func_exit_;
return 0;
}
static int rtw_resume(struct pci_dev *pdev)
{
_func_enter_;
_func_exit_;
return 0;
}
#endif
_adapter *rtw_pci_if1_init(struct dvobj_priv * dvobj, struct pci_dev *pdev, const struct pci_device_id *pdid)
{
_adapter *padapter = NULL;
struct net_device *pnetdev = NULL;
int status = _FAIL;
if ((padapter = (_adapter *)rtw_zvmalloc(sizeof(*padapter))) == NULL) {
goto exit;
}
padapter->dvobj = dvobj;
dvobj->if1 = padapter;
padapter->bDriverStopped=_TRUE;
dvobj->padapters[dvobj->iface_nums++] = padapter;
padapter->iface_id = IFACE_ID0;
#if defined(CONFIG_CONCURRENT_MODE) || defined(CONFIG_DUALMAC_CONCURRENT)
//set adapter_type/iface type for primary padapter
padapter->isprimary = _TRUE;
padapter->adapter_type = PRIMARY_ADAPTER;
#ifndef CONFIG_HWPORT_SWAP
padapter->iface_type = IFACE_PORT0;
#else
padapter->iface_type = IFACE_PORT1;
#endif
#endif
#ifndef RTW_DVOBJ_CHIP_HW_TYPE
//step 1-1., decide the chip_type via vid/pid
padapter->interface_type = RTW_PCIE;
decide_chip_type_by_pci_device_id(padapter, pdev);
#endif
if((pnetdev = rtw_init_netdev(padapter)) == NULL) {
goto free_adapter;
}
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
#endif
if (dvobj->bdma64)
pnetdev->features |= NETIF_F_HIGHDMA;
pnetdev->irq = pdev->irq;
padapter = rtw_netdev_priv(pnetdev);
#ifdef CONFIG_IOCTL_CFG80211
if(rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj)) != 0) {
goto free_adapter;
}
#endif //CONFIG_IOCTL_CFG80211
//step 2. hook HalFunc, allocate HalData
hal_set_hal_ops(padapter);
//step 3.
padapter->intf_start=&pci_intf_start;
padapter->intf_stop=&pci_intf_stop;
//.2
rtw_init_io_priv(padapter, pci_set_intf_ops);
//.3
rtw_hal_read_chip_version(padapter);
//.4
rtw_hal_chip_configure(padapter);
//step 4. read efuse/eeprom data and get mac_addr
rtw_hal_read_chip_info(padapter);
//step 5.
if(rtw_init_drv_sw(padapter) ==_FAIL) {
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("Initialize driver software resource Failed!\n"));
goto free_hal_data;
}
if(rtw_hal_inirp_init(padapter) ==_FAIL) {
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("Initialize PCI desc ring Failed!\n"));
goto free_hal_data;
}
rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
rtw_init_wifidirect_addrs(padapter, padapter->eeprompriv.mac_addr, padapter->eeprompriv.mac_addr);
rtw_hal_disable_interrupt(padapter);
//step 6. Init pci related configuration
rtw_pci_initialize_adapter_common(padapter);
DBG_871X("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
,padapter->bDriverStopped
,padapter->bSurpriseRemoved
,padapter->bup
,padapter->hw_init_completed
);
status = _SUCCESS;
free_hal_data:
if(status != _SUCCESS && padapter->HalData)
rtw_mfree(padapter->HalData, sizeof(*(padapter->HalData)));
free_wdev:
if(status != _SUCCESS) {
#ifdef CONFIG_IOCTL_CFG80211
rtw_wdev_unregister(padapter->rtw_wdev);
rtw_wdev_free(padapter->rtw_wdev);
#endif
}
free_adapter:
if (status != _SUCCESS) {
if (pnetdev)
rtw_free_netdev(pnetdev);
else if (padapter)
rtw_vmfree((u8*)padapter, sizeof(*padapter));
padapter = NULL;
}
exit:
return padapter;
}
static void rtw_pci_if1_deinit(_adapter *if1)
{
struct net_device *pnetdev = if1->pnetdev;
struct mlme_priv *pmlmepriv= &if1->mlmepriv;
// padapter->intf_stop(padapter);
if(check_fwstate(pmlmepriv, _FW_LINKED))
rtw_disassoc_cmd(if1, 0, _FALSE);
#ifdef CONFIG_AP_MODE
free_mlme_ap_info(if1);
#ifdef CONFIG_HOSTAPD_MLME
hostapd_mode_unload(if1);
#endif
#endif
if (if1->DriverState != DRIVER_DISAPPEAR) {
if(pnetdev) {
unregister_netdev(pnetdev); //will call netdev_close()
rtw_proc_remove_one(pnetdev);
}
}
rtw_cancel_all_timer(if1);
#ifdef CONFIG_WOWLAN
adapter_to_pwrctl(if1)->wowlan_mode=_FALSE;
#endif //CONFIG_WOWLAN
rtw_dev_unload(if1);
DBG_871X("%s, hw_init_completed=%d\n", __func__, if1->hw_init_completed);
//s6.
rtw_handle_dualmac(if1, 0);
#ifdef CONFIG_IOCTL_CFG80211
if(if1->rtw_wdev)
{
rtw_wdev_unregister(if1->rtw_wdev);
rtw_wdev_free(if1->rtw_wdev);
}
#endif //CONFIG_IOCTL_CFG80211
rtw_hal_inirp_deinit(if1);
rtw_free_drv_sw(if1);
if(pnetdev)
rtw_free_netdev(pnetdev);
#ifdef CONFIG_PLATFORM_RTD2880B
DBG_871X("wlan link down\n");
rtd2885_wlan_netlink_sendMsg("linkdown", "8712");
#endif
}
/*
* drv_init() - a device potentially for us
*
* notes: drv_init() is called when the bus driver has located a card for us to support.
* We accept the new device by returning 0.
*/
static int rtw_drv_init(struct pci_dev *pdev, const struct pci_device_id *pdid)
{
int i, err = -ENODEV;
int status;
_adapter *if1 = NULL, *if2 = NULL;
struct dvobj_priv *dvobj;
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+rtw_drv_init\n"));
//DBG_871X("+rtw_drv_init\n");
//step 0.
disable_ht_for_spec_devid(pdid);
/* Initialize dvobj_priv */
if ((dvobj = pci_dvobj_init(pdev)) == NULL) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("initialize device object priv Failed!\n"));
goto exit;
}
/* Initialize if1 */
if ((if1 = rtw_pci_if1_init(dvobj, pdev, pdid)) == NULL) {
DBG_871X("rtw_pci_if1_init Failed!\n");
goto free_dvobj;
}
/* Initialize if2 */
#ifdef CONFIG_CONCURRENT_MODE
if((if2 = rtw_drv_if2_init(if1, pci_set_intf_ops)) == NULL) {
goto free_if1;
}
#endif
//dev_alloc_name && register_netdev
if((status = rtw_drv_register_netdev(if1)) != _SUCCESS) {
goto free_if2;
}
#ifdef CONFIG_HOSTAPD_MLME
hostapd_mode_init(if1);
#endif
#ifdef CONFIG_PLATFORM_RTD2880B
DBG_871X("wlan link up\n");
rtd2885_wlan_netlink_sendMsg("linkup", "8712");
#endif
#ifdef RTK_DMP_PLATFORM
rtw_proc_init_one(if1->pnetdev);
#endif
/* alloc irq */
if (pci_alloc_irq(dvobj) != _SUCCESS)
goto free_if2;
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("-871x_drv - drv_init, success!\n"));
//DBG_871X("-871x_drv - drv_init, success!\n");
status = _SUCCESS;
free_if2:
if(status != _SUCCESS && if2) {
#ifdef CONFIG_CONCURRENT_MODE
rtw_drv_if2_stop(if2);
rtw_drv_if2_free(if2);
#endif
}
free_if1:
if (status != _SUCCESS && if1) {
rtw_pci_if1_deinit(if1);
}
free_dvobj:
if (status != _SUCCESS)
pci_dvobj_deinit(pdev);
exit:
return status == _SUCCESS?0:-ENODEV;
}
extern void rtw_unregister_netdevs(struct dvobj_priv *dvobj);
/*
* dev_remove() - our device is being removed
*/
//rmmod module & unplug(SurpriseRemoved) will call r871xu_dev_remove() => how to recognize both
static void rtw_dev_remove(struct pci_dev *pdev)
{
struct dvobj_priv *pdvobjpriv = pci_get_drvdata(pdev);
_adapter *padapter = pdvobjpriv->if1;
struct net_device *pnetdev = padapter->pnetdev;
_func_exit_;
DBG_871X("+rtw_dev_remove\n");
pdvobjpriv->processing_dev_remove = _TRUE;
rtw_unregister_netdevs(pdvobjpriv);
if (unlikely(!padapter)) {
return;
}
#if 0
#ifdef RTK_DMP_PLATFORM
padapter->bSurpriseRemoved = _FALSE; // always trate as device exists
// this will let the driver to disable it's interrupt
#else
if(pci_drvpriv.drv_registered == _TRUE)
{
//DBG_871X("r871xu_dev_remove():padapter->bSurpriseRemoved == _TRUE\n");
padapter->bSurpriseRemoved = _TRUE;
}
/*else
{
//DBG_871X("r871xu_dev_remove():module removed\n");
padapter->hw_init_completed = _FALSE;
}*/
#endif
#endif
#if defined(CONFIG_HAS_EARLYSUSPEND) || defined(CONFIG_ANDROID_POWER)
rtw_unregister_early_suspend(dvobj_to_pwrctl(pdvobjpriv));
#endif
rtw_pm_set_ips(padapter, IPS_NONE);
rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
LeaveAllPowerSaveMode(padapter);
#ifdef CONFIG_CONCURRENT_MODE
rtw_drv_if2_stop(pdvobjpriv->if2);
#endif
rtw_pci_if1_deinit(padapter);
#ifdef CONFIG_CONCURRENT_MODE
rtw_drv_if2_free(pdvobjpriv->if2);
#endif
pci_dvobj_deinit(pdev);
DBG_871X("-r871xu_dev_remove, done\n");
_func_exit_;
return;
}
static int __init rtw_drv_entry(void)
{
int ret = 0;
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("+rtw_drv_entry\n"));
DBG_871X("rtw driver version=%s\n", DRIVERVERSION);
DBG_871X("Build at: %s %s\n", __DATE__, __TIME__);
pci_drvpriv.drv_registered = _TRUE;
rtw_suspend_lock_init();
ret = pci_register_driver(&pci_drvpriv.rtw_pci_drv);
if (ret) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_, (": No device found\n"));
}
return ret;
}
static void __exit rtw_drv_halt(void)
{
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("+rtw_drv_halt\n"));
DBG_871X("+rtw_drv_halt\n");
pci_drvpriv.drv_registered = _FALSE;
pci_unregister_driver(&pci_drvpriv.rtw_pci_drv);
rtw_suspend_lock_uninit();
DBG_871X("-rtw_drv_halt\n");
rtw_mstat_dump();
}
module_init(rtw_drv_entry);
module_exit(rtw_drv_halt);
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