hbg_hw.h

 1/* SPDX-License-Identifier: GPL-2.0+ */
 2/* Copyright (c) 2024 Hisilicon Limited. */
 3
 4#ifndef __HBG_HW_H
 5#define __HBG_HW_H
 6
 7#include <linux/bitfield.h>
 8#include <linux/io-64-nonatomic-lo-hi.h>
 9
10static inline u32 hbg_reg_read(struct hbg_priv *priv, u32 addr)
11{
12	return readl(priv->io_base + addr);
13}
14
15static inline void hbg_reg_write(struct hbg_priv *priv, u32 addr, u32 value)
16{
17	writel(value, priv->io_base + addr);
18}
19
20static inline u64 hbg_reg_read64(struct hbg_priv *priv, u32 addr)
21{
22	return lo_hi_readq(priv->io_base + addr);
23}
24
25static inline void hbg_reg_write64(struct hbg_priv *priv, u32 addr, u64 value)
26{
27	lo_hi_writeq(value, priv->io_base + addr);
28}
29
30#define hbg_reg_read_field(priv, addr, mask) \
31		FIELD_GET(mask, hbg_reg_read(priv, addr))
32
33#define hbg_field_modify(reg_value, mask, value) ({	\
34		(reg_value) &= ~(mask);			\
35		(reg_value) |= FIELD_PREP(mask, value); })
36
37#define hbg_reg_write_field(priv, addr, mask, val) ({		\
38		typeof(priv) _priv = (priv);			\
39		typeof(addr) _addr = (addr);			\
40		u32 _value = hbg_reg_read(_priv, _addr);	\
41		hbg_field_modify(_value, mask, val);		\
42		hbg_reg_write(_priv, _addr, _value); })
43
44int hbg_hw_event_notify(struct hbg_priv *priv,
45			enum hbg_hw_event_type event_type);
46int hbg_hw_init(struct hbg_priv *priv);
47void hbg_hw_adjust_link(struct hbg_priv *priv, u32 speed, u32 duplex);
48u32 hbg_hw_get_irq_status(struct hbg_priv *priv);
49void hbg_hw_irq_clear(struct hbg_priv *priv, u32 mask);
50bool hbg_hw_irq_is_enabled(struct hbg_priv *priv, u32 mask);
51void hbg_hw_irq_enable(struct hbg_priv *priv, u32 mask, bool enable);
52void hbg_hw_set_mtu(struct hbg_priv *priv, u16 mtu);
53void hbg_hw_mac_enable(struct hbg_priv *priv, u32 enable);
54void hbg_hw_set_uc_addr(struct hbg_priv *priv, u64 mac_addr, u32 index);
55u32 hbg_hw_get_fifo_used_num(struct hbg_priv *priv, enum hbg_dir dir);
56void hbg_hw_set_tx_desc(struct hbg_priv *priv, struct hbg_tx_desc *tx_desc);
57void hbg_hw_fill_buffer(struct hbg_priv *priv, u32 buffer_dma_addr);
58void hbg_hw_set_mac_filter_enable(struct hbg_priv *priv, u32 enable);
59void hbg_hw_set_pause_enable(struct hbg_priv *priv, u32 tx_en, u32 rx_en);
60void hbg_hw_get_pause_enable(struct hbg_priv *priv, u32 *tx_en, u32 *rx_en);
61void hbg_hw_set_rx_pause_mac_addr(struct hbg_priv *priv, u64 mac_addr);
62
63#endif