| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* Copyright (c) 2024 Hisilicon Limited. */ |
| |
| #ifndef __HBG_HW_H |
| #define __HBG_HW_H |
| |
| #include <linux/bitfield.h> |
| #include <linux/io-64-nonatomic-lo-hi.h> |
| |
| static inline u32 hbg_reg_read(struct hbg_priv *priv, u32 addr) |
| { |
| return readl(priv->io_base + addr); |
| } |
| |
| static inline void hbg_reg_write(struct hbg_priv *priv, u32 addr, u32 value) |
| { |
| writel(value, priv->io_base + addr); |
| } |
| |
| static inline u64 hbg_reg_read64(struct hbg_priv *priv, u32 addr) |
| { |
| return lo_hi_readq(priv->io_base + addr); |
| } |
| |
| static inline void hbg_reg_write64(struct hbg_priv *priv, u32 addr, u64 value) |
| { |
| lo_hi_writeq(value, priv->io_base + addr); |
| } |
| |
| #define hbg_reg_read_field(priv, addr, mask) \ |
| FIELD_GET(mask, hbg_reg_read(priv, addr)) |
| |
| #define hbg_field_modify(reg_value, mask, value) ({ \ |
| (reg_value) &= ~(mask); \ |
| (reg_value) |= FIELD_PREP(mask, value); }) |
| |
| #define hbg_reg_write_field(priv, addr, mask, val) ({ \ |
| typeof(priv) _priv = (priv); \ |
| typeof(addr) _addr = (addr); \ |
| u32 _value = hbg_reg_read(_priv, _addr); \ |
| hbg_field_modify(_value, mask, val); \ |
| hbg_reg_write(_priv, _addr, _value); }) |
| |
| int hbg_hw_event_notify(struct hbg_priv *priv, |
| enum hbg_hw_event_type event_type); |
| int hbg_hw_init(struct hbg_priv *priv); |
| void hbg_hw_adjust_link(struct hbg_priv *priv, u32 speed, u32 duplex); |
| u32 hbg_hw_get_irq_status(struct hbg_priv *priv); |
| void hbg_hw_irq_clear(struct hbg_priv *priv, u32 mask); |
| bool hbg_hw_irq_is_enabled(struct hbg_priv *priv, u32 mask); |
| void hbg_hw_irq_enable(struct hbg_priv *priv, u32 mask, bool enable); |
| void hbg_hw_set_mtu(struct hbg_priv *priv, u16 mtu); |
| void hbg_hw_mac_enable(struct hbg_priv *priv, u32 enable); |
| void hbg_hw_set_uc_addr(struct hbg_priv *priv, u64 mac_addr); |
| u32 hbg_hw_get_fifo_used_num(struct hbg_priv *priv, enum hbg_dir dir); |
| void hbg_hw_set_tx_desc(struct hbg_priv *priv, struct hbg_tx_desc *tx_desc); |
| void hbg_hw_fill_buffer(struct hbg_priv *priv, u32 buffer_dma_addr); |
| |
| #endif |