diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/pci.h')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/pci.h | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.h b/drivers/net/wireless/realtek/rtlwifi/pci.h new file mode 100644 index 000000000..d6307197d --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/pci.h @@ -0,0 +1,302 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2009-2012 Realtek Corporation.*/ + +#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 TX_DESC_NUM_8822B 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 H2C_QUEUE TXCMD_QUEUE /* In 8822B */ + +#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*/ +#define RTL_PCI_8822BE_DID 0xB822 /*8822be*/ + +/*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 { + u32 dword[4 * (1 << (BUFDESC_SEG_NUM + 1))]; +} __packed; + +struct rtl_tx_desc { + u32 dword[16]; +} __packed; + +struct rtl_rx_buffer_desc { /*rx buffer desc*/ + u32 dword[4]; +} __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 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[4]; /* 0-1: normal, 2: unused, 3: h2c */ + 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; + + bool amd_l1_patch; +}; + +struct rtl_pci_priv { + struct bt_coexist_info bt_coexist; + struct rtl_led_ctl ledctl; + struct rtl_pci dev; + struct mp_adapter ndis_adapter; +}; + +#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 const 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, u16 size) +{ + if (rp <= wp) + return size - 1 + rp - wp; + return rp - wp - 1; +} + +#endif |