261 lines
6.9 KiB
C
261 lines
6.9 KiB
C
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#ifndef __MTK_WED_H
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#define __MTK_WED_H
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#include <linux/kernel.h>
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#include <linux/rcupdate.h>
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#include <linux/regmap.h>
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#include <linux/pci.h>
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#include <linux/skbuff.h>
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#define MTK_WED_TX_QUEUES 2
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#define MTK_WED_RX_QUEUES 2
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#define WED_WO_STA_REC 0x6
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struct mtk_wed_hw;
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struct mtk_wdma_desc;
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enum mtk_wed_wo_cmd {
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MTK_WED_WO_CMD_WED_CFG,
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MTK_WED_WO_CMD_WED_RX_STAT,
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MTK_WED_WO_CMD_RRO_SER,
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MTK_WED_WO_CMD_DBG_INFO,
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MTK_WED_WO_CMD_DEV_INFO,
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MTK_WED_WO_CMD_BSS_INFO,
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MTK_WED_WO_CMD_STA_REC,
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MTK_WED_WO_CMD_DEV_INFO_DUMP,
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MTK_WED_WO_CMD_BSS_INFO_DUMP,
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MTK_WED_WO_CMD_STA_REC_DUMP,
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MTK_WED_WO_CMD_BA_INFO_DUMP,
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MTK_WED_WO_CMD_FBCMD_Q_DUMP,
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MTK_WED_WO_CMD_FW_LOG_CTRL,
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MTK_WED_WO_CMD_LOG_FLUSH,
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MTK_WED_WO_CMD_CHANGE_STATE,
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MTK_WED_WO_CMD_CPU_STATS_ENABLE,
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MTK_WED_WO_CMD_CPU_STATS_DUMP,
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MTK_WED_WO_CMD_EXCEPTION_INIT,
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MTK_WED_WO_CMD_PROF_CTRL,
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MTK_WED_WO_CMD_STA_BA_DUMP,
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MTK_WED_WO_CMD_BA_CTRL_DUMP,
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MTK_WED_WO_CMD_RXCNT_CTRL,
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MTK_WED_WO_CMD_RXCNT_INFO,
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MTK_WED_WO_CMD_SET_CAP,
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MTK_WED_WO_CMD_CCIF_RING_DUMP,
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MTK_WED_WO_CMD_WED_END
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};
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struct mtk_rxbm_desc {
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__le32 buf0;
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__le32 token;
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} __packed __aligned(4);
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enum mtk_wed_bus_tye {
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MTK_WED_BUS_PCIE,
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MTK_WED_BUS_AXI,
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};
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#define MTK_WED_RING_CONFIGURED BIT(0)
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struct mtk_wed_ring {
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struct mtk_wdma_desc *desc;
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dma_addr_t desc_phys;
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u32 desc_size;
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int size;
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u32 flags;
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u32 reg_base;
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void __iomem *wpdma;
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};
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struct mtk_wed_wo_rx_stats {
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__le16 wlan_idx;
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__le16 tid;
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__le32 rx_pkt_cnt;
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__le32 rx_byte_cnt;
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__le32 rx_err_cnt;
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__le32 rx_drop_cnt;
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};
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struct mtk_wed_device {
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#ifdef CONFIG_NET_MEDIATEK_SOC_WED
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const struct mtk_wed_ops *ops;
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struct device *dev;
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struct mtk_wed_hw *hw;
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bool init_done, running;
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int wdma_idx;
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int irq;
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u8 version;
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/* used by wlan driver */
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u32 rev_id;
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struct mtk_wed_ring tx_ring[MTK_WED_TX_QUEUES];
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struct mtk_wed_ring rx_ring[MTK_WED_RX_QUEUES];
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struct mtk_wed_ring txfree_ring;
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struct mtk_wed_ring tx_wdma[MTK_WED_TX_QUEUES];
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struct mtk_wed_ring rx_wdma[MTK_WED_RX_QUEUES];
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struct {
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int size;
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void **pages;
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struct mtk_wdma_desc *desc;
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dma_addr_t desc_phys;
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} tx_buf_ring;
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struct {
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int size;
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struct mtk_rxbm_desc *desc;
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dma_addr_t desc_phys;
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} rx_buf_ring;
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struct {
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struct mtk_wed_ring ring;
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dma_addr_t miod_phys;
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dma_addr_t fdbk_phys;
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} rro;
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/* filled by driver: */
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struct {
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union {
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struct platform_device *platform_dev;
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struct pci_dev *pci_dev;
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};
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enum mtk_wed_bus_tye bus_type;
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void __iomem *base;
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u32 phy_base;
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u32 wpdma_phys;
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u32 wpdma_int;
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u32 wpdma_mask;
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u32 wpdma_tx;
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u32 wpdma_txfree;
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u32 wpdma_rx_glo;
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u32 wpdma_rx;
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bool wcid_512;
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u16 token_start;
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unsigned int nbuf;
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unsigned int rx_nbuf;
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unsigned int rx_npkt;
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unsigned int rx_size;
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u8 tx_tbit[MTK_WED_TX_QUEUES];
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u8 rx_tbit[MTK_WED_RX_QUEUES];
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u8 txfree_tbit;
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u32 (*init_buf)(void *ptr, dma_addr_t phys, int token_id);
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int (*offload_enable)(struct mtk_wed_device *wed);
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void (*offload_disable)(struct mtk_wed_device *wed);
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u32 (*init_rx_buf)(struct mtk_wed_device *wed, int size);
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void (*release_rx_buf)(struct mtk_wed_device *wed);
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void (*update_wo_rx_stats)(struct mtk_wed_device *wed,
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struct mtk_wed_wo_rx_stats *stats);
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int (*reset)(struct mtk_wed_device *wed);
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void (*reset_complete)(struct mtk_wed_device *wed);
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} wlan;
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#endif
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};
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struct mtk_wed_ops {
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int (*attach)(struct mtk_wed_device *dev);
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int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring,
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void __iomem *regs, bool reset);
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int (*rx_ring_setup)(struct mtk_wed_device *dev, int ring,
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void __iomem *regs, bool reset);
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int (*txfree_ring_setup)(struct mtk_wed_device *dev,
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void __iomem *regs);
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int (*msg_update)(struct mtk_wed_device *dev, int cmd_id,
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void *data, int len);
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void (*detach)(struct mtk_wed_device *dev);
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void (*ppe_check)(struct mtk_wed_device *dev, struct sk_buff *skb,
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u32 reason, u32 hash);
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void (*stop)(struct mtk_wed_device *dev);
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void (*start)(struct mtk_wed_device *dev, u32 irq_mask);
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void (*reset_dma)(struct mtk_wed_device *dev);
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u32 (*reg_read)(struct mtk_wed_device *dev, u32 reg);
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void (*reg_write)(struct mtk_wed_device *dev, u32 reg, u32 val);
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u32 (*irq_get)(struct mtk_wed_device *dev, u32 mask);
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void (*irq_set_mask)(struct mtk_wed_device *dev, u32 mask);
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};
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extern const struct mtk_wed_ops __rcu *mtk_soc_wed_ops;
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static inline int
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mtk_wed_device_attach(struct mtk_wed_device *dev)
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{
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int ret = -ENODEV;
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#ifdef CONFIG_NET_MEDIATEK_SOC_WED
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rcu_read_lock();
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dev->ops = rcu_dereference(mtk_soc_wed_ops);
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if (dev->ops)
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ret = dev->ops->attach(dev);
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else
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rcu_read_unlock();
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if (ret)
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dev->ops = NULL;
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#endif
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return ret;
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}
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static inline bool
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mtk_wed_get_rx_capa(struct mtk_wed_device *dev)
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{
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#ifdef CONFIG_NET_MEDIATEK_SOC_WED
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return dev->version != 1;
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#else
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return false;
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#endif
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}
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#ifdef CONFIG_NET_MEDIATEK_SOC_WED
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#define mtk_wed_device_active(_dev) !!(_dev)->ops
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#define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev)
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#define mtk_wed_device_start(_dev, _mask) (_dev)->ops->start(_dev, _mask)
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#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) \
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(_dev)->ops->tx_ring_setup(_dev, _ring, _regs, _reset)
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#define mtk_wed_device_txfree_ring_setup(_dev, _regs) \
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(_dev)->ops->txfree_ring_setup(_dev, _regs)
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#define mtk_wed_device_reg_read(_dev, _reg) \
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(_dev)->ops->reg_read(_dev, _reg)
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#define mtk_wed_device_reg_write(_dev, _reg, _val) \
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(_dev)->ops->reg_write(_dev, _reg, _val)
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#define mtk_wed_device_irq_get(_dev, _mask) \
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(_dev)->ops->irq_get(_dev, _mask)
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#define mtk_wed_device_irq_set_mask(_dev, _mask) \
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(_dev)->ops->irq_set_mask(_dev, _mask)
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#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) \
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(_dev)->ops->rx_ring_setup(_dev, _ring, _regs, _reset)
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#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) \
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(_dev)->ops->ppe_check(_dev, _skb, _reason, _hash)
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#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) \
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(_dev)->ops->msg_update(_dev, _id, _msg, _len)
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#define mtk_wed_device_stop(_dev) (_dev)->ops->stop(_dev)
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#define mtk_wed_device_dma_reset(_dev) (_dev)->ops->reset_dma(_dev)
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#else
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static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
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{
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return false;
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}
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#define mtk_wed_device_detach(_dev) do {} while (0)
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#define mtk_wed_device_start(_dev, _mask) do {} while (0)
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#define mtk_wed_device_tx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV
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#define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV
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#define mtk_wed_device_reg_read(_dev, _reg) 0
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#define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0)
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#define mtk_wed_device_irq_get(_dev, _mask) 0
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#define mtk_wed_device_irq_set_mask(_dev, _mask) do {} while (0)
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#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs, _reset) -ENODEV
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#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) do {} while (0)
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#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) -ENODEV
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#define mtk_wed_device_stop(_dev) do {} while (0)
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#define mtk_wed_device_dma_reset(_dev) do {} while (0)
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#endif
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#endif
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