/****************************************************************************** * * 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 <wlanfae@realtek.com> * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, * Hsinchu 300, Taiwan. * * Larry Finger <Larry.Finger@lwfinger.net> * *****************************************************************************/ #ifndef __RTL_PCI_H__ #define __RTL_PCI_H__ #include <linux/pci.h> /* 1: MSDU packet queue, 2: Rx Command Queue */ #define RTL_PCI_RX_MPDU_QUEUE 0 #define RTL_PCI_RX_CMD_QUEUE 1 #define RTL_PCI_MAX_RX_QUEUE 2 #define RTL_PCI_MAX_RX_COUNT 512/*64*/ #define RTL_PCI_MAX_TX_QUEUE_COUNT 9 #define RT_TXDESC_NUM 128 #define TX_DESC_NUM_92E 512 #define RT_TXDESC_NUM_BE_QUEUE 256 #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_BRIDGE_NUMBER 255 #define PCI_MAX_DEVICES 32 #define PCI_MAX_FUNCTION 8 #define PCI_CONF_ADDRESS 0x0CF8 /*PCI Configuration Space Address */ #define PCI_CONF_DATA 0x0CFC /*PCI Configuration Space Data */ #define PCI_CLASS_BRIDGE_DEV 0x06 #define PCI_SUBCLASS_BR_PCI_TO_PCI 0x04 #define PCI_CAPABILITY_ID_PCI_EXPRESS 0x10 #define PCI_CAP_ID_EXP 0x10 #define U1DONTCARE 0xFF #define U2DONTCARE 0xFFFF #define U4DONTCARE 0xFFFFFFFF #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 #define RTL_DEFAULT_HARDWARE_TYPE HARDWARE_TYPE_RTL8192CE 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*/ PCI_BRIDGE_VENDOR_UNKNOWN, /*0b'0100,0000*/ PCI_BRIDGE_VENDOR_MAX, }; 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*/ #endif } __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; }; 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); #ifdef CONFIG_PM_SLEEP 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; } #endif