4 #include <linux/kernel.h>
5 #include <linux/rcupdate.h>
6 #include <linux/regmap.h>
8 #include <linux/skbuff.h>
9 #include <linux/netdevice.h>
11 #define MTK_WED_TX_QUEUES 2
12 #define MTK_WED_RX_QUEUES 2
13 #define MTK_WED_RX_PAGE_QUEUES 3
15 #define WED_WO_STA_REC 0x6
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
49 struct mtk_wed_bm_desc {
52 } __packed __aligned(4);
54 enum mtk_wed_bus_tye {
59 #define MTK_WED_RING_CONFIGURED BIT(0)
61 struct mtk_wdma_desc *desc;
71 struct mtk_wed_wo_rx_stats {
85 struct mtk_wed_device {
86 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
87 const struct mtk_wed_ops *ops;
89 struct mtk_wed_hw *hw;
90 bool init_done, running;
95 /* used by wlan driver */
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;
109 struct mtk_wed_buf *pages;
110 struct mtk_wdma_desc *desc;
111 dma_addr_t desc_phys;
116 struct mtk_wed_bm_desc *desc;
117 dma_addr_t desc_phys;
121 struct mtk_wed_ring ring;
122 dma_addr_t miod_phys;
123 dma_addr_t fdbk_phys;
128 struct mtk_wed_buf *pages;
129 struct mtk_wed_bm_desc *desc;
130 dma_addr_t desc_phys;
133 /* filled by driver: */
136 struct platform_device *platform_dev;
137 struct pci_dev *pci_dev;
139 enum mtk_wed_bus_tye bus_type;
151 u32 wpdma_rx_rro[MTK_WED_RX_QUEUES];
160 unsigned int rx_nbuf;
161 unsigned int rx_npkt;
162 unsigned int rx_size;
163 unsigned int amsdu_max_len;
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];
170 u8 amsdu_max_subframes;
177 dma_addr_t particular_se_phys;
178 dma_addr_t addr_elem_phys[1024];
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);
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,
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);
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);
212 u32 (*reg_read)(struct mtk_wed_device *dev, u32 reg);
213 void (*reg_write)(struct mtk_wed_device *dev, u32 reg, u32 val);
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,
221 void (*rro_rx_ring_setup)(struct mtk_wed_device *dev, int ring,
223 void (*msdu_pg_rx_ring_setup)(struct mtk_wed_device *dev, int ring,
225 int (*ind_rx_ring_setup)(struct mtk_wed_device *dev,
229 extern const struct mtk_wed_ops __rcu *mtk_soc_wed_ops;
232 mtk_wed_device_attach(struct mtk_wed_device *dev)
236 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
238 dev->ops = rcu_dereference(mtk_soc_wed_ops);
240 ret = dev->ops->attach(dev);
251 static inline bool mtk_wed_get_rx_capa(struct mtk_wed_device *dev)
253 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
254 if (dev->version == 3)
255 return dev->wlan.hw_rro;
257 return dev->version != 1;
263 static inline bool mtk_wed_is_amsdu_supported(struct mtk_wed_device *dev)
265 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
266 return dev->version == 3;
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)
308 static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
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