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* Copyright(c) 2009-2012 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 <>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
* Larry Finger <>
#ifndef __RTL_PCI_H__
#define __RTL_PCI_H__
#include <linux/pci.h>
1: MSDU packet queue,
2: Rx Command Queue
#define RTL_PCI_MAX_RX_COUNT 512/*64*/
#define RT_TXDESC_NUM 128
#define TX_DESC_NUM_92E 512
#define BK_QUEUE 0
#define BE_QUEUE 1
#define VI_QUEUE 2
#define VO_QUEUE 3
#define BEACON_QUEUE 4
#define TXCMD_QUEUE 5
#define MGNT_QUEUE 6
#define HIGH_QUEUE 7
#define HCCA_QUEUE 8
#define RTL_PCI_DEVICE(vend, dev, cfg) \
.vendor = (vend), \
.device = (dev), \
.subvendor = PCI_ANY_ID, \
.subdevice = PCI_ANY_ID,\
.driver_data = (kernel_ulong_t)&(cfg)
#define INTEL_VENDOR_ID 0x8086
#define SIS_VENDOR_ID 0x1039
#define ATI_VENDOR_ID 0x1002
#define ATI_DEVICE_ID 0x7914
#define AMD_VENDOR_ID 0x1022
#define PCI_MAX_DEVICES 32
#define PCI_CONF_ADDRESS 0x0CF8 /*PCI Configuration Space Address */
#define PCI_CONF_DATA 0x0CFC /*PCI Configuration Space Data */
#define PCI_CAP_ID_EXP 0x10
#define U1DONTCARE 0xFF
#define RTL_PCI_8192_DID 0x8192 /*8192 PCI-E */
#define RTL_PCI_8192SE_DID 0x8192 /*8192 SE */
#define RTL_PCI_8174_DID 0x8174 /*8192 SE */
#define RTL_PCI_8173_DID 0x8173 /*8191 SE Crab */
#define RTL_PCI_8172_DID 0x8172 /*8191 SE RE */
#define RTL_PCI_8171_DID 0x8171 /*8191 SE Unicron */
#define RTL_PCI_8723AE_DID 0x8723 /*8723AE */
#define RTL_PCI_0045_DID 0x0045 /*8190 PCI for Ceraga */
#define RTL_PCI_0046_DID 0x0046 /*8190 Cardbus for Ceraga */
#define RTL_PCI_0044_DID 0x0044 /*8192e PCIE for Ceraga */
#define RTL_PCI_0047_DID 0x0047 /*8192e Express Card for Ceraga */
#define RTL_PCI_700F_DID 0x700F
#define RTL_PCI_701F_DID 0x701F
#define RTL_PCI_DLINK_DID 0x3304
#define RTL_PCI_8723AE_DID 0x8723 /*8723e */
#define RTL_PCI_8192CET_DID 0x8191 /*8192ce */
#define RTL_PCI_8192CE_DID 0x8178 /*8192ce */
#define RTL_PCI_8191CE_DID 0x8177 /*8192ce */
#define RTL_PCI_8188CE_DID 0x8176 /*8192ce */
#define RTL_PCI_8192CU_DID 0x8191 /*8192ce */
#define RTL_PCI_8192DE_DID 0x8193 /*8192de */
#define RTL_PCI_8192DE_DID2 0x002B /*92DE*/
#define RTL_PCI_8188EE_DID 0x8179 /*8188ee*/
#define RTL_PCI_8723BE_DID 0xB723 /*8723be*/
#define RTL_PCI_8192EE_DID 0x818B /*8192ee*/
#define RTL_PCI_8821AE_DID 0x8821 /*8821ae*/
#define RTL_PCI_8812AE_DID 0x8812 /*8812ae*/
/*8192 support 16 pages of IO registers*/
#define RTL_MEM_MAPPED_IO_RANGE_8190PCI 0x1000
#define RTL_MEM_MAPPED_IO_RANGE_8192PCIE 0x4000
#define RTL_MEM_MAPPED_IO_RANGE_8192SE 0x4000
#define RTL_MEM_MAPPED_IO_RANGE_8192CE 0x4000
#define RTL_MEM_MAPPED_IO_RANGE_8192DE 0x4000
#define RTL_PCI_REVISION_ID_8190PCI 0x00
#define RTL_PCI_REVISION_ID_8192PCIE 0x01
#define RTL_PCI_REVISION_ID_8192SE 0x10
#define RTL_PCI_REVISION_ID_8192CE 0x1
#define RTL_PCI_REVISION_ID_8192DE 0x0
enum pci_bridge_vendor {
PCI_BRIDGE_VENDOR_INTEL = 0x0, /*0b'0000,0001 */
PCI_BRIDGE_VENDOR_ATI, /*0b'0000,0010*/
PCI_BRIDGE_VENDOR_AMD, /*0b'0000,0100*/
PCI_BRIDGE_VENDOR_SIS, /*0b'0000,1000*/
struct rtl_pci_capabilities_header {
u8 capability_id;
u8 next;
/* In new TRX flow, Buffer_desc is new concept
* But TX wifi info == TX descriptor in old flow
* RX wifi info == RX descriptor in old flow
struct rtl_tx_buffer_desc {
#if (RTL8192EE_SEG_NUM == 2)
u32 dword[2*(DMA_IS_64BIT + 1)*8]; /*seg = 8*/
#elif (RTL8192EE_SEG_NUM == 1)
u32 dword[2*(DMA_IS_64BIT + 1)*4]; /*seg = 4*/
#elif (RTL8192EE_SEG_NUM == 0)
u32 dword[2*(DMA_IS_64BIT + 1)*2]; /*seg = 2*/
} __packed;
struct rtl_tx_desc {
u32 dword[16];
} __packed;
struct rtl_rx_buffer_desc { /*rx buffer desc*/
u32 dword[2];
} __packed;
struct rtl_rx_desc { /*old: rx desc new: rx wifi info*/
u32 dword[8];
} __packed;
struct rtl_tx_cmd_desc {
u32 dword[16];
} __packed;
struct rtl8192_tx_ring {
struct rtl_tx_desc *desc;
dma_addr_t dma;
unsigned int idx;
unsigned int entries;
struct sk_buff_head queue;
/*add for new trx flow*/
struct rtl_tx_buffer_desc *buffer_desc; /*tx buffer descriptor*/
dma_addr_t buffer_desc_dma; /*tx bufferd desc dma memory*/
u16 avl_desc; /* available_desc_to_write */
u16 cur_tx_wp; /* current_tx_write_point */
u16 cur_tx_rp; /* current_tx_read_point */
struct rtl8192_rx_ring {
struct rtl_rx_desc *desc;
dma_addr_t dma;
unsigned int idx;
struct sk_buff *rx_buf[RTL_PCI_MAX_RX_COUNT];
/*add for new trx flow*/
struct rtl_rx_buffer_desc *buffer_desc; /*rx buffer descriptor*/
u16 next_rx_rp; /* next_rx_read_point */
struct rtl_pci {
struct pci_dev *pdev;
bool irq_enabled;
bool driver_is_goingto_unload;
bool up_first_time;
bool first_init;
bool being_init_adapter;
bool init_ready;
/*Tx */
struct rtl8192_tx_ring tx_ring[RTL_PCI_MAX_TX_QUEUE_COUNT];
int txringcount[RTL_PCI_MAX_TX_QUEUE_COUNT];
u32 transmit_config;
/*Rx */
struct rtl8192_rx_ring rx_ring[RTL_PCI_MAX_RX_QUEUE];
int rxringcount;
u16 rxbuffersize;
u32 receive_config;
/*irq */
u8 irq_alloc;
u32 irq_mask[2];
u32 sys_irq_mask;
/*Bcn control register setting */
u32 reg_bcn_ctrl_val;
/*ASPM*/ u8 const_pci_aspm;
u8 const_amdpci_aspm;
u8 const_hwsw_rfoff_d3;
u8 const_support_pciaspm;
/*pci-e bridge */
u8 const_hostpci_aspm_setting;
/*pci-e device */
u8 const_devicepci_aspm_setting;
/*If it supports ASPM, Offset[560h] = 0x40,
otherwise Offset[560h] = 0x00. */
bool support_aspm;
bool support_backdoor;
/*QOS & EDCA */
enum acm_method acm_method;
u16 shortretry_limit;
u16 longretry_limit;
/* MSI support */
bool msi_support;
bool using_msi;
/* interrupt clear before set */
bool int_clear;
struct mp_adapter {
u8 linkctrl_reg;
u8 busnumber;
u8 devnumber;
u8 funcnumber;
u8 pcibridge_busnum;
u8 pcibridge_devnum;
u8 pcibridge_funcnum;
u8 pcibridge_vendor;
u16 pcibridge_vendorid;
u16 pcibridge_deviceid;
u8 num4bytes;
u8 pcibridge_pciehdr_offset;
u8 pcibridge_linkctrlreg;
bool amd_l1_patch;
struct rtl_pci_priv {
struct rtl_pci dev;
struct mp_adapter ndis_adapter;
struct rtl_led_ctl ledctl;
struct bt_coexist_info bt_coexist;
#define rtl_pcipriv(hw) (((struct rtl_pci_priv *)(rtl_priv(hw))->priv))
#define rtl_pcidev(pcipriv) (&((pcipriv)->dev))
int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw);
extern struct rtl_intf_ops rtl_pci_ops;
int rtl_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id);
void rtl_pci_disconnect(struct pci_dev *pdev);
int rtl_pci_suspend(struct device *dev);
int rtl_pci_resume(struct device *dev);
#endif /* CONFIG_PM_SLEEP */
static inline u8 pci_read8_sync(struct rtl_priv *rtlpriv, u32 addr)
return readb((u8 __iomem *) rtlpriv->io.pci_mem_start + addr);
static inline u16 pci_read16_sync(struct rtl_priv *rtlpriv, u32 addr)
return readw((u8 __iomem *) rtlpriv->io.pci_mem_start + addr);
static inline u32 pci_read32_sync(struct rtl_priv *rtlpriv, u32 addr)
return readl((u8 __iomem *) rtlpriv->io.pci_mem_start + addr);
static inline void pci_write8_async(struct rtl_priv *rtlpriv, u32 addr, u8 val)
writeb(val, (u8 __iomem *) rtlpriv->io.pci_mem_start + addr);
static inline void pci_write16_async(struct rtl_priv *rtlpriv,
u32 addr, u16 val)
writew(val, (u8 __iomem *) rtlpriv->io.pci_mem_start + addr);
static inline void pci_write32_async(struct rtl_priv *rtlpriv,
u32 addr, u32 val)
writel(val, (u8 __iomem *) rtlpriv->io.pci_mem_start + addr);
static inline u16 calc_fifo_space(u16 rp, u16 wp)
if (rp <= wp)
return RTL_PCI_MAX_RX_COUNT - 1 + rp - wp;
return rp - wp - 1;