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#define MTK_WED_RX_PAGE_QUEUES 3 14 15#define WED_WO_STA_REC 0x6 16 17struct mtk_wed_hw; 18struct mtk_wdma_desc; 19 20enum mtk_wed_wo_cmd { 21 MTK_WED_WO_CMD_WED_CFG, 22 MTK_WED_WO_CMD_WED_RX_STAT, 23 MTK_WED_WO_CMD_RRO_SER, 24 MTK_WED_WO_CMD_DBG_INFO, 25 MTK_WED_WO_CMD_DEV_INFO, 26 MTK_WED_WO_CMD_BSS_INFO, 27 MTK_WED_WO_CMD_STA_REC, 28 MTK_WED_WO_CMD_DEV_INFO_DUMP, 29 MTK_WED_WO_CMD_BSS_INFO_DUMP, 30 MTK_WED_WO_CMD_STA_REC_DUMP, 31 MTK_WED_WO_CMD_BA_INFO_DUMP, 32 MTK_WED_WO_CMD_FBCMD_Q_DUMP, 33 MTK_WED_WO_CMD_FW_LOG_CTRL, 34 MTK_WED_WO_CMD_LOG_FLUSH, 35 MTK_WED_WO_CMD_CHANGE_STATE, 36 MTK_WED_WO_CMD_CPU_STATS_ENABLE, 37 MTK_WED_WO_CMD_CPU_STATS_DUMP, 38 MTK_WED_WO_CMD_EXCEPTION_INIT, 39 MTK_WED_WO_CMD_PROF_CTRL, 40 MTK_WED_WO_CMD_STA_BA_DUMP, 41 MTK_WED_WO_CMD_BA_CTRL_DUMP, 42 MTK_WED_WO_CMD_RXCNT_CTRL, 43 MTK_WED_WO_CMD_RXCNT_INFO, 44 MTK_WED_WO_CMD_SET_CAP, 45 MTK_WED_WO_CMD_CCIF_RING_DUMP, 46 MTK_WED_WO_CMD_WED_END 47}; 48 49struct mtk_wed_bm_desc { 50 __le32 buf0; 51 __le32 token; 52} __packed __aligned(4); 53 54enum mtk_wed_bus_tye { 55 MTK_WED_BUS_PCIE, 56 MTK_WED_BUS_AXI, 57}; 58 59#define MTK_WED_RING_CONFIGURED BIT(0) 60struct mtk_wed_ring { 61 struct mtk_wdma_desc *desc; 62 dma_addr_t desc_phys; 63 u32 desc_size; 64 int size; 65 u32 flags; 66 67 u32 reg_base; 68 void __iomem *wpdma; 69}; 70 71struct mtk_wed_wo_rx_stats { 72 __le16 wlan_idx; 73 __le16 tid; 74 __le32 rx_pkt_cnt; 75 __le32 rx_byte_cnt; 76 __le32 rx_err_cnt; 77 __le32 rx_drop_cnt; 78}; 79 80struct mtk_wed_buf { 81 void *p; 82 dma_addr_t phy_addr; 83}; 84 85struct mtk_wed_device { 86#ifdef CONFIG_NET_MEDIATEK_SOC_WED 87 const struct mtk_wed_ops *ops; 88 struct device *dev; 89 struct mtk_wed_hw *hw; 90 bool init_done, running; 91 int wdma_idx; 92 int irq; 93 u8 version; 94 95 /* used by wlan driver */ 96 u32 rev_id; 97 98 struct mtk_wed_ring tx_ring[MTK_WED_TX_QUEUES]; 99 struct mtk_wed_ring rx_ring[MTK_WED_RX_QUEUES]; 100 struct mtk_wed_ring txfree_ring; 101 struct mtk_wed_ring tx_wdma[MTK_WED_TX_QUEUES]; 102 struct mtk_wed_ring rx_wdma[MTK_WED_RX_QUEUES]; 103 struct mtk_wed_ring rx_rro_ring[MTK_WED_RX_QUEUES]; 104 struct mtk_wed_ring rx_page_ring[MTK_WED_RX_PAGE_QUEUES]; 105 struct mtk_wed_ring ind_cmd_ring; 106 107 struct { 108 int size; 109 struct mtk_wed_buf *pages; 110 struct mtk_wdma_desc *desc; 111 dma_addr_t desc_phys; 112 } tx_buf_ring; 113 114 struct { 115 int size; 116 struct mtk_wed_bm_desc *desc; 117 dma_addr_t desc_phys; 118 } rx_buf_ring; 119 120 struct { 121 struct mtk_wed_ring ring; 122 dma_addr_t miod_phys; 123 dma_addr_t fdbk_phys; 124 } rro; 125 126 struct { 127 int size; 128 struct mtk_wed_buf *pages; 129 struct mtk_wed_bm_desc *desc; 130 dma_addr_t desc_phys; 131 } hw_rro; 132 133 /* filled by driver: */ 134 struct { 135 union { 136 struct platform_device *platform_dev; 137 struct pci_dev *pci_dev; 138 }; 139 enum mtk_wed_bus_tye bus_type; 140 void __iomem *base; 141 u32 phy_base; 142 u32 id; 143 144 u32 wpdma_phys; 145 u32 wpdma_int; 146 u32 wpdma_mask; 147 u32 wpdma_tx; 148 u32 wpdma_txfree; 149 u32 wpdma_rx_glo; 150 u32 wpdma_rx; 151 u32 wpdma_rx_rro[MTK_WED_RX_QUEUES]; 152 u32 wpdma_rx_pg; 153 154 bool wcid_512; 155 bool hw_rro; 156 bool msi; 157 158 u16 token_start; 159 unsigned int nbuf; 160 unsigned int rx_nbuf; 161 unsigned int rx_npkt; 162 unsigned int rx_size; 163 unsigned int amsdu_max_len; 164 165 u8 tx_tbit[MTK_WED_TX_QUEUES]; 166 u8 rx_tbit[MTK_WED_RX_QUEUES]; 167 u8 rro_rx_tbit[MTK_WED_RX_QUEUES]; 168 u8 rx_pg_tbit[MTK_WED_RX_PAGE_QUEUES]; 169 u8 txfree_tbit; 170 u8 amsdu_max_subframes; 171 172 struct { 173 u8 se_group_nums; 174 u16 win_size; 175 u16 particular_sid; 176 u32 ack_sn_addr; 177 dma_addr_t particular_se_phys; 178 dma_addr_t addr_elem_phys[1024]; 179 } ind_cmd; 180 181 u32 (*init_buf)(void *ptr, dma_addr_t phys, int token_id); 182 int (*offload_enable)(struct mtk_wed_device *wed); 183 void (*offload_disable)(struct mtk_wed_device *wed); 184 u32 (*init_rx_buf)(struct mtk_wed_device *wed, int size); 185 void (*release_rx_buf)(struct mtk_wed_device *wed); 186 void (*update_wo_rx_stats)(struct mtk_wed_device *wed, 187 struct mtk_wed_wo_rx_stats *stats); 188 int (*reset)(struct mtk_wed_device *wed); 189 void (*reset_complete)(struct mtk_wed_device *wed); 190 } wlan; 191#endif 192}; 193 194struct mtk_wed_ops { 195 int (*attach)(struct mtk_wed_device *dev); 196 int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring, 197 void __iomem *regs, bool reset); 198 int (*rx_ring_setup)(struct mtk_wed_device *dev, int ring, 199 void __iomem *regs, bool reset); 200 int (*txfree_ring_setup)(struct mtk_wed_device *dev, 201 void __iomem *regs); 202 int (*msg_update)(struct mtk_wed_device *dev, int cmd_id, 203 void *data, int len); 204 void (*detach)(struct mtk_wed_device *dev); 205 void (*ppe_check)(struct mtk_wed_device *dev, struct sk_buff *skb, 206 u32 reason, u32 hash); 207 208 void (*stop)(struct mtk_wed_device *dev); 209 void (*start)(struct mtk_wed_device *dev, u32 irq_mask); 210 void (*reset_dma)(struct mtk_wed_device *dev); 211 212 u32 (*reg_read)(struct mtk_wed_device *dev, u32 reg); 213 void (*reg_write)(struct mtk_wed_device *dev, u32 reg, u32 val); 214 215 u32 (*irq_get)(struct mtk_wed_device *dev, u32 mask); 216 void (*irq_set_mask)(struct mtk_wed_device *dev, u32 mask); 217 int (*setup_tc)(struct mtk_wed_device *wed, struct net_device *dev, 218 enum tc_setup_type type, void *type_data); 219 void (*start_hw_rro)(struct mtk_wed_device *dev, u32 irq_mask, 220 bool reset); 221 void (*rro_rx_ring_setup)(struct mtk_wed_device *dev, int ring, 222 void __iomem *regs); 223 void (*msdu_pg_rx_ring_setup)(struct mtk_wed_device *dev, int ring, 224 void __iomem *regs); 225 int (*ind_rx_ring_setup)(struct mtk_wed_device *dev, 226 void __iomem *regs); 227}; 228 229extern const struct mtk_wed_ops __rcu *mtk_soc_wed_ops; 230 231static inline int 232mtk_wed_device_attach(struct mtk_wed_device *dev) 233{ 234 int ret = -ENODEV; 235 236#ifdef CONFIG_NET_MEDIATEK_SOC_WED 237 rcu_read_lock(); 238 dev->ops = rcu_dereference(mtk_soc_wed_ops); 239 if (dev->ops) 240 ret = dev->ops->attach(dev); 241 else 242 rcu_read_unlock(); 243 244 if (ret) 245 dev->ops = NULL; 246#endif 247 248 return ret; 249} 250 251static inline bool mtk_wed_get_rx_capa(struct mtk_wed_device *dev) 252{ 253#ifdef CONFIG_NET_MEDIATEK_SOC_WED 254 if (dev->version == 3) 255 return dev->wlan.hw_rro; 256 257 return dev->version != 1; 258#else 259 return false; 260#endif 261} 262 263static inline bool mtk_wed_is_amsdu_supported(struct mtk_wed_device *dev) 264{ 265#ifdef CONFIG_NET_MEDIATEK_SOC_WED 266 return dev->version == 3; 267#else 268 return false; 269#endif 270} 271 272#ifdef CONFIG_NET_MEDIATEK_SOC_WED 273#define mtk_wed_device_active(_dev) !!(_dev)->ops 274#define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev) 275#define mtk_wed_device_start(_dev, _mask) (_dev)->ops->start(_dev, _mask) 276#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) \ 277 (_dev)->ops->tx_ring_setup(_dev, _ring, _regs, _reset) 278#define mtk_wed_device_txfree_ring_setup(_dev, _regs) \ 279 (_dev)->ops->txfree_ring_setup(_dev, _regs) 280#define mtk_wed_device_reg_read(_dev, _reg) \ 281 (_dev)->ops->reg_read(_dev, _reg) 282#define mtk_wed_device_reg_write(_dev, _reg, _val) \ 283 (_dev)->ops->reg_write(_dev, _reg, _val) 284#define mtk_wed_device_irq_get(_dev, _mask) \ 285 (_dev)->ops->irq_get(_dev, _mask) 286#define mtk_wed_device_irq_set_mask(_dev, _mask) \ 287 (_dev)->ops->irq_set_mask(_dev, _mask) 288#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) \ 289 (_dev)->ops->rx_ring_setup(_dev, _ring, _regs, _reset) 290#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) \ 291 (_dev)->ops->ppe_check(_dev, _skb, _reason, _hash) 292#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) \ 293 (_dev)->ops->msg_update(_dev, _id, _msg, _len) 294#define mtk_wed_device_stop(_dev) (_dev)->ops->stop(_dev) 295#define mtk_wed_device_dma_reset(_dev) (_dev)->ops->reset_dma(_dev) 296#define mtk_wed_device_setup_tc(_dev, _netdev, _type, _type_data) \ 297 (_dev)->ops->setup_tc(_dev, _netdev, _type, _type_data) 298#define mtk_wed_device_start_hw_rro(_dev, _mask, _reset) \ 299 (_dev)->ops->start_hw_rro(_dev, _mask, _reset) 300#define mtk_wed_device_rro_rx_ring_setup(_dev, _ring, _regs) \ 301 (_dev)->ops->rro_rx_ring_setup(_dev, _ring, _regs) 302#define mtk_wed_device_msdu_pg_rx_ring_setup(_dev, _ring, _regs) \ 303 (_dev)->ops->msdu_pg_rx_ring_setup(_dev, _ring, _regs) 304#define mtk_wed_device_ind_rx_ring_setup(_dev, _regs) \ 305 (_dev)->ops->ind_rx_ring_setup(_dev, _regs) 306 307#else 308static inline bool mtk_wed_device_active(struct mtk_wed_device *dev) 309{ 310 return false; 311} 312#define mtk_wed_device_detach(_dev) do {} while (0) 313#define mtk_wed_device_start(_dev, _mask) do {} while (0) 314#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV 315#define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV 316#define mtk_wed_device_reg_read(_dev, _reg) 0 317#define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0) 318#define mtk_wed_device_irq_get(_dev, _mask) 0 319#define mtk_wed_device_irq_set_mask(_dev, _mask) do {} while (0) 320#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV 321#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) do {} while (0) 322#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) -ENODEV 323#define mtk_wed_device_stop(_dev) do {} while (0) 324#define mtk_wed_device_dma_reset(_dev) do {} while (0) 325#define mtk_wed_device_setup_tc(_dev, _netdev, _type, _type_data) -EOPNOTSUPP 326#define mtk_wed_device_start_hw_rro(_dev, _mask, _reset) do {} while (0) 327#define mtk_wed_device_rro_rx_ring_setup(_dev, _ring, _regs) -ENODEV 328#define mtk_wed_device_msdu_pg_rx_ring_setup(_dev, _ring, _regs) -ENODEV 329#define mtk_wed_device_ind_rx_ring_setup(_dev, _regs) -ENODEV 330#endif 331 332#endif 333