1 #ifndef __MTK_WED_H 2 #define __MTK_WED_H 3 4 #include <linux/kernel.h> 5 #include <linux/rcupdate.h> 6 #include <linux/regmap.h> 7 #include <linux/pci.h> 8 #include <linux/skbuff.h> 9 #include <linux/netdevice.h> 10 11 #define MTK_WED_TX_QUEUES 2 12 #define MTK_WED_RX_QUEUES 2 13 14 #define WED_WO_STA_REC 0x6 15 16 struct mtk_wed_hw; 17 struct mtk_wdma_desc; 18 19 enum mtk_wed_wo_cmd { 20 MTK_WED_WO_CMD_WED_CFG, 21 MTK_WED_WO_CMD_WED_RX_STAT, 22 MTK_WED_WO_CMD_RRO_SER, 23 MTK_WED_WO_CMD_DBG_INFO, 24 MTK_WED_WO_CMD_DEV_INFO, 25 MTK_WED_WO_CMD_BSS_INFO, 26 MTK_WED_WO_CMD_STA_REC, 27 MTK_WED_WO_CMD_DEV_INFO_DUMP, 28 MTK_WED_WO_CMD_BSS_INFO_DUMP, 29 MTK_WED_WO_CMD_STA_REC_DUMP, 30 MTK_WED_WO_CMD_BA_INFO_DUMP, 31 MTK_WED_WO_CMD_FBCMD_Q_DUMP, 32 MTK_WED_WO_CMD_FW_LOG_CTRL, 33 MTK_WED_WO_CMD_LOG_FLUSH, 34 MTK_WED_WO_CMD_CHANGE_STATE, 35 MTK_WED_WO_CMD_CPU_STATS_ENABLE, 36 MTK_WED_WO_CMD_CPU_STATS_DUMP, 37 MTK_WED_WO_CMD_EXCEPTION_INIT, 38 MTK_WED_WO_CMD_PROF_CTRL, 39 MTK_WED_WO_CMD_STA_BA_DUMP, 40 MTK_WED_WO_CMD_BA_CTRL_DUMP, 41 MTK_WED_WO_CMD_RXCNT_CTRL, 42 MTK_WED_WO_CMD_RXCNT_INFO, 43 MTK_WED_WO_CMD_SET_CAP, 44 MTK_WED_WO_CMD_CCIF_RING_DUMP, 45 MTK_WED_WO_CMD_WED_END 46 }; 47 48 struct mtk_rxbm_desc { 49 __le32 buf0; 50 __le32 token; 51 } __packed __aligned(4); 52 53 enum mtk_wed_bus_tye { 54 MTK_WED_BUS_PCIE, 55 MTK_WED_BUS_AXI, 56 }; 57 58 #define MTK_WED_RING_CONFIGURED BIT(0) 59 struct mtk_wed_ring { 60 struct mtk_wdma_desc *desc; 61 dma_addr_t desc_phys; 62 u32 desc_size; 63 int size; 64 u32 flags; 65 66 u32 reg_base; 67 void __iomem *wpdma; 68 }; 69 70 struct mtk_wed_wo_rx_stats { 71 __le16 wlan_idx; 72 __le16 tid; 73 __le32 rx_pkt_cnt; 74 __le32 rx_byte_cnt; 75 __le32 rx_err_cnt; 76 __le32 rx_drop_cnt; 77 }; 78 79 struct mtk_wed_device { 80 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 81 const struct mtk_wed_ops *ops; 82 struct device *dev; 83 struct mtk_wed_hw *hw; 84 bool init_done, running; 85 int wdma_idx; 86 int irq; 87 u8 version; 88 89 /* used by wlan driver */ 90 u32 rev_id; 91 92 struct mtk_wed_ring tx_ring[MTK_WED_TX_QUEUES]; 93 struct mtk_wed_ring rx_ring[MTK_WED_RX_QUEUES]; 94 struct mtk_wed_ring txfree_ring; 95 struct mtk_wed_ring tx_wdma[MTK_WED_TX_QUEUES]; 96 struct mtk_wed_ring rx_wdma[MTK_WED_RX_QUEUES]; 97 98 struct { 99 int size; 100 void **pages; 101 struct mtk_wdma_desc *desc; 102 dma_addr_t desc_phys; 103 } tx_buf_ring; 104 105 struct { 106 int size; 107 struct mtk_rxbm_desc *desc; 108 dma_addr_t desc_phys; 109 } rx_buf_ring; 110 111 struct { 112 struct mtk_wed_ring ring; 113 dma_addr_t miod_phys; 114 dma_addr_t fdbk_phys; 115 } rro; 116 117 /* filled by driver: */ 118 struct { 119 union { 120 struct platform_device *platform_dev; 121 struct pci_dev *pci_dev; 122 }; 123 enum mtk_wed_bus_tye bus_type; 124 void __iomem *base; 125 u32 phy_base; 126 127 u32 wpdma_phys; 128 u32 wpdma_int; 129 u32 wpdma_mask; 130 u32 wpdma_tx; 131 u32 wpdma_txfree; 132 u32 wpdma_rx_glo; 133 u32 wpdma_rx; 134 135 bool wcid_512; 136 137 u16 token_start; 138 unsigned int nbuf; 139 unsigned int rx_nbuf; 140 unsigned int rx_npkt; 141 unsigned int rx_size; 142 143 u8 tx_tbit[MTK_WED_TX_QUEUES]; 144 u8 rx_tbit[MTK_WED_RX_QUEUES]; 145 u8 txfree_tbit; 146 147 u32 (*init_buf)(void *ptr, dma_addr_t phys, int token_id); 148 int (*offload_enable)(struct mtk_wed_device *wed); 149 void (*offload_disable)(struct mtk_wed_device *wed); 150 u32 (*init_rx_buf)(struct mtk_wed_device *wed, int size); 151 void (*release_rx_buf)(struct mtk_wed_device *wed); 152 void (*update_wo_rx_stats)(struct mtk_wed_device *wed, 153 struct mtk_wed_wo_rx_stats *stats); 154 int (*reset)(struct mtk_wed_device *wed); 155 void (*reset_complete)(struct mtk_wed_device *wed); 156 } wlan; 157 #endif 158 }; 159 160 struct mtk_wed_ops { 161 int (*attach)(struct mtk_wed_device *dev); 162 int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring, 163 void __iomem *regs, bool reset); 164 int (*rx_ring_setup)(struct mtk_wed_device *dev, int ring, 165 void __iomem *regs, bool reset); 166 int (*txfree_ring_setup)(struct mtk_wed_device *dev, 167 void __iomem *regs); 168 int (*msg_update)(struct mtk_wed_device *dev, int cmd_id, 169 void *data, int len); 170 void (*detach)(struct mtk_wed_device *dev); 171 void (*ppe_check)(struct mtk_wed_device *dev, struct sk_buff *skb, 172 u32 reason, u32 hash); 173 174 void (*stop)(struct mtk_wed_device *dev); 175 void (*start)(struct mtk_wed_device *dev, u32 irq_mask); 176 void (*reset_dma)(struct mtk_wed_device *dev); 177 178 u32 (*reg_read)(struct mtk_wed_device *dev, u32 reg); 179 void (*reg_write)(struct mtk_wed_device *dev, u32 reg, u32 val); 180 181 u32 (*irq_get)(struct mtk_wed_device *dev, u32 mask); 182 void (*irq_set_mask)(struct mtk_wed_device *dev, u32 mask); 183 int (*setup_tc)(struct mtk_wed_device *wed, struct net_device *dev, 184 enum tc_setup_type type, void *type_data); 185 }; 186 187 extern const struct mtk_wed_ops __rcu *mtk_soc_wed_ops; 188 189 static inline int mtk_wed_device_attach(struct mtk_wed_device * dev)190 mtk_wed_device_attach(struct mtk_wed_device *dev) 191 { 192 int ret = -ENODEV; 193 194 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 195 rcu_read_lock(); 196 dev->ops = rcu_dereference(mtk_soc_wed_ops); 197 if (dev->ops) 198 ret = dev->ops->attach(dev); 199 else 200 rcu_read_unlock(); 201 202 if (ret) 203 dev->ops = NULL; 204 #endif 205 206 return ret; 207 } 208 209 static inline bool mtk_wed_get_rx_capa(struct mtk_wed_device * dev)210 mtk_wed_get_rx_capa(struct mtk_wed_device *dev) 211 { 212 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 213 return dev->version != 1; 214 #else 215 return false; 216 #endif 217 } 218 219 #ifdef CONFIG_NET_MEDIATEK_SOC_WED 220 #define mtk_wed_device_active(_dev) !!(_dev)->ops 221 #define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev) 222 #define mtk_wed_device_start(_dev, _mask) (_dev)->ops->start(_dev, _mask) 223 #define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) \ 224 (_dev)->ops->tx_ring_setup(_dev, _ring, _regs, _reset) 225 #define mtk_wed_device_txfree_ring_setup(_dev, _regs) \ 226 (_dev)->ops->txfree_ring_setup(_dev, _regs) 227 #define mtk_wed_device_reg_read(_dev, _reg) \ 228 (_dev)->ops->reg_read(_dev, _reg) 229 #define mtk_wed_device_reg_write(_dev, _reg, _val) \ 230 (_dev)->ops->reg_write(_dev, _reg, _val) 231 #define mtk_wed_device_irq_get(_dev, _mask) \ 232 (_dev)->ops->irq_get(_dev, _mask) 233 #define mtk_wed_device_irq_set_mask(_dev, _mask) \ 234 (_dev)->ops->irq_set_mask(_dev, _mask) 235 #define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) \ 236 (_dev)->ops->rx_ring_setup(_dev, _ring, _regs, _reset) 237 #define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) \ 238 (_dev)->ops->ppe_check(_dev, _skb, _reason, _hash) 239 #define mtk_wed_device_update_msg(_dev, _id, _msg, _len) \ 240 (_dev)->ops->msg_update(_dev, _id, _msg, _len) 241 #define mtk_wed_device_stop(_dev) (_dev)->ops->stop(_dev) 242 #define mtk_wed_device_dma_reset(_dev) (_dev)->ops->reset_dma(_dev) 243 #define mtk_wed_device_setup_tc(_dev, _netdev, _type, _type_data) \ 244 (_dev)->ops->setup_tc(_dev, _netdev, _type, _type_data) 245 #else mtk_wed_device_active(struct mtk_wed_device * dev)246 static inline bool mtk_wed_device_active(struct mtk_wed_device *dev) 247 { 248 return false; 249 } 250 #define mtk_wed_device_detach(_dev) do {} while (0) 251 #define mtk_wed_device_start(_dev, _mask) do {} while (0) 252 #define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV 253 #define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV 254 #define mtk_wed_device_reg_read(_dev, _reg) 0 255 #define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0) 256 #define mtk_wed_device_irq_get(_dev, _mask) 0 257 #define mtk_wed_device_irq_set_mask(_dev, _mask) do {} while (0) 258 #define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV 259 #define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) do {} while (0) 260 #define mtk_wed_device_update_msg(_dev, _id, _msg, _len) -ENODEV 261 #define mtk_wed_device_stop(_dev) do {} while (0) 262 #define mtk_wed_device_dma_reset(_dev) do {} while (0) 263 #define mtk_wed_device_setup_tc(_dev, _netdev, _type, _type_data) -EOPNOTSUPP 264 #endif 265 266 #endif 267