summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/mediatek/mtk_wed.h
blob: ae420ca01a488047fe99978df54c22d68fd7427a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (C) 2021 Felix Fietkau <nbd@nbd.name> */

#ifndef __MTK_WED_PRIV_H
#define __MTK_WED_PRIV_H

#include <linux/soc/mediatek/mtk_wed.h>
#include <linux/debugfs.h>
#include <linux/regmap.h>
#include <linux/netdevice.h>

struct mtk_eth;

struct mtk_wed_hw {
	struct device_node *node;
	struct mtk_eth *eth;
	struct regmap *regs;
	struct regmap *hifsys;
	struct device *dev;
	void __iomem *wdma;
	phys_addr_t wdma_phy;
	struct regmap *mirror;
	struct dentry *debugfs_dir;
	struct mtk_wed_device *wed_dev;
	u32 debugfs_reg;
	u32 num_flows;
	u8 version;
	char dirname[5];
	int irq;
	int index;
};

struct mtk_wdma_info {
	u8 wdma_idx;
	u8 queue;
	u16 wcid;
	u8 bss;
};

#ifdef CONFIG_NET_MEDIATEK_SOC_WED
static inline void
wed_w32(struct mtk_wed_device *dev, u32 reg, u32 val)
{
	regmap_write(dev->hw->regs, reg, val);
}

static inline u32
wed_r32(struct mtk_wed_device *dev, u32 reg)
{
	unsigned int val;

	regmap_read(dev->hw->regs, reg, &val);

	return val;
}

static inline void
wdma_w32(struct mtk_wed_device *dev, u32 reg, u32 val)
{
	writel(val, dev->hw->wdma + reg);
}

static inline u32
wdma_r32(struct mtk_wed_device *dev, u32 reg)
{
	return readl(dev->hw->wdma + reg);
}

static inline u32
wpdma_tx_r32(struct mtk_wed_device *dev, int ring, u32 reg)
{
	if (!dev->tx_ring[ring].wpdma)
		return 0;

	return readl(dev->tx_ring[ring].wpdma + reg);
}

static inline void
wpdma_tx_w32(struct mtk_wed_device *dev, int ring, u32 reg, u32 val)
{
	if (!dev->tx_ring[ring].wpdma)
		return;

	writel(val, dev->tx_ring[ring].wpdma + reg);
}

static inline u32
wpdma_txfree_r32(struct mtk_wed_device *dev, u32 reg)
{
	if (!dev->txfree_ring.wpdma)
		return 0;

	return readl(dev->txfree_ring.wpdma + reg);
}

static inline void
wpdma_txfree_w32(struct mtk_wed_device *dev, u32 reg, u32 val)
{
	if (!dev->txfree_ring.wpdma)
		return;

	writel(val, dev->txfree_ring.wpdma + reg);
}

void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth,
		    void __iomem *wdma, phys_addr_t wdma_phy,
		    int index);
void mtk_wed_exit(void);
int mtk_wed_flow_add(int index);
void mtk_wed_flow_remove(int index);
#else
static inline void
mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth,
	       void __iomem *wdma, phys_addr_t wdma_phy,
	       int index)
{
}
static inline void
mtk_wed_exit(void)
{
}
static inline int mtk_wed_flow_add(int index)
{
	return -EINVAL;
}
static inline void mtk_wed_flow_remove(int index)
{
}
#endif

#ifdef CONFIG_DEBUG_FS
void mtk_wed_hw_add_debugfs(struct mtk_wed_hw *hw);
#else
static inline void mtk_wed_hw_add_debugfs(struct mtk_wed_hw *hw)
{
}
#endif

#endif