4 #include <linux/kernel.h>
5 #include <linux/rcupdate.h>
6 #include <linux/regmap.h>
9 #define MTK_WED_TX_QUEUES 2
15 struct mtk_wdma_desc *desc;
23 struct mtk_wed_device {
24 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
25 const struct mtk_wed_ops *ops;
27 struct mtk_wed_hw *hw;
28 bool init_done, running;
32 struct mtk_wed_ring tx_ring[MTK_WED_TX_QUEUES];
33 struct mtk_wed_ring txfree_ring;
34 struct mtk_wed_ring tx_wdma[MTK_WED_TX_QUEUES];
39 struct mtk_wdma_desc *desc;
43 /* filled by driver: */
45 struct pci_dev *pci_dev;
52 u32 (*init_buf)(void *ptr, dma_addr_t phys, int token_id);
53 int (*offload_enable)(struct mtk_wed_device *wed);
54 void (*offload_disable)(struct mtk_wed_device *wed);
60 int (*attach)(struct mtk_wed_device *dev);
61 int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring,
63 int (*txfree_ring_setup)(struct mtk_wed_device *dev,
65 void (*detach)(struct mtk_wed_device *dev);
67 void (*stop)(struct mtk_wed_device *dev);
68 void (*start)(struct mtk_wed_device *dev, u32 irq_mask);
69 void (*reset_dma)(struct mtk_wed_device *dev);
71 u32 (*reg_read)(struct mtk_wed_device *dev, u32 reg);
72 void (*reg_write)(struct mtk_wed_device *dev, u32 reg, u32 val);
74 u32 (*irq_get)(struct mtk_wed_device *dev, u32 mask);
75 void (*irq_set_mask)(struct mtk_wed_device *dev, u32 mask);
78 extern const struct mtk_wed_ops __rcu *mtk_soc_wed_ops;
81 mtk_wed_device_attach(struct mtk_wed_device *dev)
85 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
87 dev->ops = rcu_dereference(mtk_soc_wed_ops);
89 ret = dev->ops->attach(dev);
100 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
101 #define mtk_wed_device_active(_dev) !!(_dev)->ops
102 #define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev)
103 #define mtk_wed_device_start(_dev, _mask) (_dev)->ops->start(_dev, _mask)
104 #define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) \
105 (_dev)->ops->tx_ring_setup(_dev, _ring, _regs)
106 #define mtk_wed_device_txfree_ring_setup(_dev, _regs) \
107 (_dev)->ops->txfree_ring_setup(_dev, _regs)
108 #define mtk_wed_device_reg_read(_dev, _reg) \
109 (_dev)->ops->reg_read(_dev, _reg)
110 #define mtk_wed_device_reg_write(_dev, _reg, _val) \
111 (_dev)->ops->reg_write(_dev, _reg, _val)
112 #define mtk_wed_device_irq_get(_dev, _mask) \
113 (_dev)->ops->irq_get(_dev, _mask)
114 #define mtk_wed_device_irq_set_mask(_dev, _mask) \
115 (_dev)->ops->irq_set_mask(_dev, _mask)
117 static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
121 #define mtk_wed_device_detach(_dev) do {} while (0)
122 #define mtk_wed_device_start(_dev, _mask) do {} while (0)
123 #define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs) -ENODEV
124 #define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV
125 #define mtk_wed_device_reg_read(_dev, _reg) 0
126 #define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0)
127 #define mtk_wed_device_irq_get(_dev, _mask) 0
128 #define mtk_wed_device_irq_set_mask(_dev, _mask) do {} while (0)