1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4 #ifndef __RTL_PCI_H__ 5 #define __RTL_PCI_H__ 6 7 #include <linux/pci.h> 8 /* 1: MSDU packet queue, 9 * 2: Rx Command Queue 10 */ 11 #define RTL_PCI_RX_MPDU_QUEUE 0 12 #define RTL_PCI_RX_CMD_QUEUE 1 13 #define RTL_PCI_MAX_RX_QUEUE 2 14 15 #define RTL_PCI_MAX_RX_COUNT 512/*64*/ 16 #define RTL_PCI_MAX_TX_QUEUE_COUNT 9 17 18 #define RT_TXDESC_NUM 128 19 #define TX_DESC_NUM_92E 512 20 #define TX_DESC_NUM_8822B 512 21 #define RT_TXDESC_NUM_BE_QUEUE 256 22 23 #define BK_QUEUE 0 24 #define BE_QUEUE 1 25 #define VI_QUEUE 2 26 #define VO_QUEUE 3 27 #define BEACON_QUEUE 4 28 #define TXCMD_QUEUE 5 29 #define MGNT_QUEUE 6 30 #define HIGH_QUEUE 7 31 #define HCCA_QUEUE 8 32 #define H2C_QUEUE TXCMD_QUEUE /* In 8822B */ 33 34 #define RTL_PCI_DEVICE(vend, dev, cfg) \ 35 .vendor = (vend), \ 36 .device = (dev), \ 37 .subvendor = PCI_ANY_ID, \ 38 .subdevice = PCI_ANY_ID,\ 39 .driver_data = (kernel_ulong_t)&(cfg) 40 41 #define INTEL_VENDOR_ID 0x8086 42 #define SIS_VENDOR_ID 0x1039 43 #define ATI_VENDOR_ID 0x1002 44 #define ATI_DEVICE_ID 0x7914 45 #define AMD_VENDOR_ID 0x1022 46 47 #define PCI_MAX_BRIDGE_NUMBER 255 48 #define PCI_MAX_DEVICES 32 49 #define PCI_MAX_FUNCTION 8 50 51 #define PCI_CONF_ADDRESS 0x0CF8 /*PCI Configuration Space Address */ 52 #define PCI_CONF_DATA 0x0CFC /*PCI Configuration Space Data */ 53 54 #define PCI_CLASS_BRIDGE_DEV 0x06 55 #define PCI_SUBCLASS_BR_PCI_TO_PCI 0x04 56 #define PCI_CAPABILITY_ID_PCI_EXPRESS 0x10 57 #define PCI_CAP_ID_EXP 0x10 58 59 #define U1DONTCARE 0xFF 60 #define U2DONTCARE 0xFFFF 61 #define U4DONTCARE 0xFFFFFFFF 62 63 #define RTL_PCI_8192_DID 0x8192 /*8192 PCI-E */ 64 #define RTL_PCI_8192SE_DID 0x8192 /*8192 SE */ 65 #define RTL_PCI_8174_DID 0x8174 /*8192 SE */ 66 #define RTL_PCI_8173_DID 0x8173 /*8191 SE Crab */ 67 #define RTL_PCI_8172_DID 0x8172 /*8191 SE RE */ 68 #define RTL_PCI_8171_DID 0x8171 /*8191 SE Unicron */ 69 #define RTL_PCI_8723AE_DID 0x8723 /*8723AE */ 70 #define RTL_PCI_0045_DID 0x0045 /*8190 PCI for Ceraga */ 71 #define RTL_PCI_0046_DID 0x0046 /*8190 Cardbus for Ceraga */ 72 #define RTL_PCI_0044_DID 0x0044 /*8192e PCIE for Ceraga */ 73 #define RTL_PCI_0047_DID 0x0047 /*8192e Express Card for Ceraga */ 74 #define RTL_PCI_700F_DID 0x700F 75 #define RTL_PCI_701F_DID 0x701F 76 #define RTL_PCI_DLINK_DID 0x3304 77 #define RTL_PCI_8723AE_DID 0x8723 /*8723e */ 78 #define RTL_PCI_8192CET_DID 0x8191 /*8192ce */ 79 #define RTL_PCI_8192CE_DID 0x8178 /*8192ce */ 80 #define RTL_PCI_8191CE_DID 0x8177 /*8192ce */ 81 #define RTL_PCI_8188CE_DID 0x8176 /*8192ce */ 82 #define RTL_PCI_8192CU_DID 0x8191 /*8192ce */ 83 #define RTL_PCI_8192DE_DID 0x8193 /*8192de */ 84 #define RTL_PCI_8192DE_DID2 0x002B /*92DE*/ 85 #define RTL_PCI_8188EE_DID 0x8179 /*8188ee*/ 86 #define RTL_PCI_8723BE_DID 0xB723 /*8723be*/ 87 #define RTL_PCI_8192EE_DID 0x818B /*8192ee*/ 88 #define RTL_PCI_8821AE_DID 0x8821 /*8821ae*/ 89 #define RTL_PCI_8812AE_DID 0x8812 /*8812ae*/ 90 #define RTL_PCI_8822BE_DID 0xB822 /*8822be*/ 91 92 /*8192 support 16 pages of IO registers*/ 93 #define RTL_MEM_MAPPED_IO_RANGE_8190PCI 0x1000 94 #define RTL_MEM_MAPPED_IO_RANGE_8192PCIE 0x4000 95 #define RTL_MEM_MAPPED_IO_RANGE_8192SE 0x4000 96 #define RTL_MEM_MAPPED_IO_RANGE_8192CE 0x4000 97 #define RTL_MEM_MAPPED_IO_RANGE_8192DE 0x4000 98 99 #define RTL_PCI_REVISION_ID_8190PCI 0x00 100 #define RTL_PCI_REVISION_ID_8192PCIE 0x01 101 #define RTL_PCI_REVISION_ID_8192SE 0x10 102 #define RTL_PCI_REVISION_ID_8192CE 0x1 103 #define RTL_PCI_REVISION_ID_8192DE 0x0 104 105 #define RTL_DEFAULT_HARDWARE_TYPE HARDWARE_TYPE_RTL8192CE 106 107 enum pci_bridge_vendor { 108 PCI_BRIDGE_VENDOR_INTEL = 0x0, /*0b'0000,0001 */ 109 PCI_BRIDGE_VENDOR_ATI, /*0b'0000,0010*/ 110 PCI_BRIDGE_VENDOR_AMD, /*0b'0000,0100*/ 111 PCI_BRIDGE_VENDOR_SIS, /*0b'0000,1000*/ 112 PCI_BRIDGE_VENDOR_UNKNOWN, /*0b'0100,0000*/ 113 PCI_BRIDGE_VENDOR_MAX, 114 }; 115 116 struct rtl_pci_capabilities_header { 117 u8 capability_id; 118 u8 next; 119 }; 120 121 /* In new TRX flow, Buffer_desc is new concept 122 * But TX wifi info == TX descriptor in old flow 123 * RX wifi info == RX descriptor in old flow 124 */ 125 struct rtl_tx_buffer_desc { 126 u32 dword[4 * (1 << (BUFDESC_SEG_NUM + 1))]; 127 } __packed; 128 129 struct rtl_tx_desc { 130 u32 dword[16]; 131 } __packed; 132 133 struct rtl_rx_buffer_desc { /*rx buffer desc*/ 134 u32 dword[4]; 135 } __packed; 136 137 struct rtl_rx_desc { /*old: rx desc new: rx wifi info*/ 138 u32 dword[8]; 139 } __packed; 140 141 struct rtl_tx_cmd_desc { 142 u32 dword[16]; 143 } __packed; 144 145 struct rtl8192_tx_ring { 146 struct rtl_tx_desc *desc; 147 dma_addr_t dma; 148 unsigned int idx; 149 unsigned int entries; 150 struct sk_buff_head queue; 151 /*add for new trx flow*/ 152 struct rtl_tx_buffer_desc *buffer_desc; /*tx buffer descriptor*/ 153 dma_addr_t buffer_desc_dma; /*tx bufferd desc dma memory*/ 154 u16 cur_tx_wp; /* current_tx_write_point */ 155 u16 cur_tx_rp; /* current_tx_read_point */ 156 }; 157 158 struct rtl8192_rx_ring { 159 struct rtl_rx_desc *desc; 160 dma_addr_t dma; 161 unsigned int idx; 162 struct sk_buff *rx_buf[RTL_PCI_MAX_RX_COUNT]; 163 /*add for new trx flow*/ 164 struct rtl_rx_buffer_desc *buffer_desc; /*rx buffer descriptor*/ 165 u16 next_rx_rp; /* next_rx_read_point */ 166 }; 167 168 struct rtl_pci { 169 struct pci_dev *pdev; 170 bool irq_enabled; 171 172 bool driver_is_goingto_unload; 173 bool up_first_time; 174 bool first_init; 175 bool being_init_adapter; 176 bool init_ready; 177 178 /*Tx */ 179 struct rtl8192_tx_ring tx_ring[RTL_PCI_MAX_TX_QUEUE_COUNT]; 180 int txringcount[RTL_PCI_MAX_TX_QUEUE_COUNT]; 181 u32 transmit_config; 182 183 /*Rx */ 184 struct rtl8192_rx_ring rx_ring[RTL_PCI_MAX_RX_QUEUE]; 185 int rxringcount; 186 u16 rxbuffersize; 187 u32 receive_config; 188 189 /*irq */ 190 u8 irq_alloc; 191 u32 irq_mask[4]; /* 0-1: normal, 2: unused, 3: h2c */ 192 u32 sys_irq_mask; 193 194 /*Bcn control register setting */ 195 u32 reg_bcn_ctrl_val; 196 197 /*ASPM*/ u8 const_pci_aspm; 198 u8 const_amdpci_aspm; 199 u8 const_hwsw_rfoff_d3; 200 u8 const_support_pciaspm; 201 /*pci-e bridge */ 202 u8 const_hostpci_aspm_setting; 203 /*pci-e device */ 204 u8 const_devicepci_aspm_setting; 205 /* If it supports ASPM, Offset[560h] = 0x40, 206 * otherwise Offset[560h] = 0x00. 207 */ 208 bool support_aspm; 209 bool support_backdoor; 210 211 /*QOS & EDCA */ 212 enum acm_method acm_method; 213 214 u16 shortretry_limit; 215 u16 longretry_limit; 216 217 /* MSI support */ 218 bool msi_support; 219 bool using_msi; 220 /* interrupt clear before set */ 221 bool int_clear; 222 }; 223 224 struct mp_adapter { 225 u8 linkctrl_reg; 226 227 u8 busnumber; 228 u8 devnumber; 229 u8 funcnumber; 230 231 u8 pcibridge_busnum; 232 u8 pcibridge_devnum; 233 u8 pcibridge_funcnum; 234 235 u8 pcibridge_vendor; 236 u16 pcibridge_vendorid; 237 u16 pcibridge_deviceid; 238 239 u8 num4bytes; 240 241 u8 pcibridge_pciehdr_offset; 242 u8 pcibridge_linkctrlreg; 243 244 bool amd_l1_patch; 245 }; 246 247 struct rtl_pci_priv { 248 struct bt_coexist_info bt_coexist; 249 struct rtl_led_ctl ledctl; 250 struct rtl_pci dev; 251 struct mp_adapter ndis_adapter; 252 }; 253 254 #define rtl_pcipriv(hw) (((struct rtl_pci_priv *)(rtl_priv(hw))->priv)) 255 #define rtl_pcidev(pcipriv) (&((pcipriv)->dev)) 256 257 int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw); 258 259 extern const struct rtl_intf_ops rtl_pci_ops; 260 261 int rtl_pci_probe(struct pci_dev *pdev, 262 const struct pci_device_id *id); 263 void rtl_pci_disconnect(struct pci_dev *pdev); 264 #ifdef CONFIG_PM_SLEEP 265 int rtl_pci_suspend(struct device *dev); 266 int rtl_pci_resume(struct device *dev); 267 #endif /* CONFIG_PM_SLEEP */ 268 static inline u8 pci_read8_sync(struct rtl_priv *rtlpriv, u32 addr) 269 { 270 return readb((u8 __iomem *)rtlpriv->io.pci_mem_start + addr); 271 } 272 273 static inline u16 pci_read16_sync(struct rtl_priv *rtlpriv, u32 addr) 274 { 275 return readw((u8 __iomem *)rtlpriv->io.pci_mem_start + addr); 276 } 277 278 static inline u32 pci_read32_sync(struct rtl_priv *rtlpriv, u32 addr) 279 { 280 return readl((u8 __iomem *)rtlpriv->io.pci_mem_start + addr); 281 } 282 283 static inline void pci_write8_async(struct rtl_priv *rtlpriv, u32 addr, u8 val) 284 { 285 writeb(val, (u8 __iomem *)rtlpriv->io.pci_mem_start + addr); 286 } 287 288 static inline void pci_write16_async(struct rtl_priv *rtlpriv, 289 u32 addr, u16 val) 290 { 291 writew(val, (u8 __iomem *)rtlpriv->io.pci_mem_start + addr); 292 } 293 294 static inline void pci_write32_async(struct rtl_priv *rtlpriv, 295 u32 addr, u32 val) 296 { 297 writel(val, (u8 __iomem *)rtlpriv->io.pci_mem_start + addr); 298 } 299 300 static inline u16 calc_fifo_space(u16 rp, u16 wp, u16 size) 301 { 302 if (rp <= wp) 303 return size - 1 + rp - wp; 304 return rp - wp - 1; 305 } 306 307 #endif 308