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
17 struct mtk_wed_hw;
18 struct mtk_wdma_desc;
19
20 enum 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
49 struct mtk_wed_bm_desc {
50 __le32 buf0;
51 __le32 token;
52 } __packed __aligned(4);
53
54 enum mtk_wed_bus_tye {
55 MTK_WED_BUS_PCIE,
56 MTK_WED_BUS_AXI,
57 };
58
59 #define MTK_WED_RING_CONFIGURED BIT(0)
60 struct 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
71 struct 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
80 struct mtk_wed_buf {
81 void *p;
82 dma_addr_t phy_addr;
83 };
84
85 struct 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
194 struct 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
229 extern const struct mtk_wed_ops __rcu *mtk_soc_wed_ops;
230
231 static inline int
232 mtk_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
251 static 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
263 static 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
308 static 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
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.