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