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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (C) 2021 Felix Fietkau <nbd@nbd.name> */
#include <linux/seq_file.h>
#include "mtk_wed.h"
#include "mtk_wed_regs.h"
struct reg_dump {
const char *name;
u16 offset;
u8 type;
u8 base;
};
enum {
DUMP_TYPE_STRING,
DUMP_TYPE_WED,
DUMP_TYPE_WDMA,
DUMP_TYPE_WPDMA_TX,
DUMP_TYPE_WPDMA_TXFREE,
};
#define DUMP_STR(_str) { _str, 0, DUMP_TYPE_STRING }
#define DUMP_REG(_reg, ...) { #_reg, MTK_##_reg, __VA_ARGS__ }
#define DUMP_RING(_prefix, _base, ...) \
{ _prefix " BASE", _base, __VA_ARGS__ }, \
{ _prefix " CNT", _base + 0x4, __VA_ARGS__ }, \
{ _prefix " CIDX", _base + 0x8, __VA_ARGS__ }, \
{ _prefix " DIDX", _base + 0xc, __VA_ARGS__ }
#define DUMP_WED(_reg) DUMP_REG(_reg, DUMP_TYPE_WED)
#define DUMP_WED_RING(_base) DUMP_RING(#_base, MTK_##_base, DUMP_TYPE_WED)
#define DUMP_WDMA(_reg) DUMP_REG(_reg, DUMP_TYPE_WDMA)
#define DUMP_WDMA_RING(_base) DUMP_RING(#_base, MTK_##_base, DUMP_TYPE_WDMA)
#define DUMP_WPDMA_TX_RING(_n) DUMP_RING("WPDMA_TX" #_n, 0, DUMP_TYPE_WPDMA_TX, _n)
#define DUMP_WPDMA_TXFREE_RING DUMP_RING("WPDMA_RX1", 0, DUMP_TYPE_WPDMA_TXFREE)
static void
print_reg_val(struct seq_file *s, const char *name, u32 val)
{
seq_printf(s, "%-32s %08x\n", name, val);
}
static void
dump_wed_regs(struct seq_file *s, struct mtk_wed_device *dev,
const struct reg_dump *regs, int n_regs)
{
const struct reg_dump *cur;
u32 val;
for (cur = regs; cur < ®s[n_regs]; cur++) {
switch (cur->type) {
case DUMP_TYPE_STRING:
seq_printf(s, "%s======== %s:\n",
cur > regs ? "\n" : "",
cur->name);
continue;
case DUMP_TYPE_WED:
val = wed_r32(dev, cur->offset);
break;
case DUMP_TYPE_WDMA:
val = wdma_r32(dev, cur->offset);
break;
case DUMP_TYPE_WPDMA_TX:
val = wpdma_tx_r32(dev, cur->base, cur->offset);
break;
case DUMP_TYPE_WPDMA_TXFREE:
val = wpdma_txfree_r32(dev, cur->offset);
break;
}
print_reg_val(s, cur->name, val);
}
}
static int
wed_txinfo_show(struct seq_file *s, void *data)
{
static const struct reg_dump regs[] = {
DUMP_STR("WED TX"),
DUMP_WED(WED_TX_MIB(0)),
DUMP_WED_RING(WED_RING_TX(0)),
DUMP_WED(WED_TX_MIB(1)),
DUMP_WED_RING(WED_RING_TX(1)),
DUMP_STR("WPDMA TX"),
DUMP_WED(WED_WPDMA_TX_MIB(0)),
DUMP_WED_RING(WED_WPDMA_RING_TX(0)),
DUMP_WED(WED_WPDMA_TX_COHERENT_MIB(0)),
DUMP_WED(WED_WPDMA_TX_MIB(1)),
DUMP_WED_RING(WED_WPDMA_RING_TX(1)),
DUMP_WED(WED_WPDMA_TX_COHERENT_MIB(1)),
DUMP_STR("WPDMA TX"),
DUMP_WPDMA_TX_RING(0),
DUMP_WPDMA_TX_RING(1),
DUMP_STR("WED WDMA RX"),
DUMP_WED(WED_WDMA_RX_MIB(0)),
DUMP_WED_RING(WED_WDMA_RING_RX(0)),
DUMP_WED(WED_WDMA_RX_THRES(0)),
DUMP_WED(WED_WDMA_RX_RECYCLE_MIB(0)),
DUMP_WED(WED_WDMA_RX_PROCESSED_MIB(0)),
DUMP_WED(WED_WDMA_RX_MIB(1)),
DUMP_WED_RING(WED_WDMA_RING_RX(1)),
DUMP_WED(WED_WDMA_RX_THRES(1)),
DUMP_WED(WED_WDMA_RX_RECYCLE_MIB(1)),
DUMP_WED(WED_WDMA_RX_PROCESSED_MIB(1)),
DUMP_STR("WDMA RX"),
DUMP_WDMA(WDMA_GLO_CFG),
DUMP_WDMA_RING(WDMA_RING_RX(0)),
DUMP_WDMA_RING(WDMA_RING_RX(1)),
DUMP_STR("TX FREE"),
DUMP_WED(WED_RX_MIB(0)),
};
struct mtk_wed_hw *hw = s->private;
struct mtk_wed_device *dev = hw->wed_dev;
if (!dev)
return 0;
dump_wed_regs(s, dev, regs, ARRAY_SIZE(regs));
return 0;
}
DEFINE_SHOW_ATTRIBUTE(wed_txinfo);
static int
mtk_wed_reg_set(void *data, u64 val)
{
struct mtk_wed_hw *hw = data;
regmap_write(hw->regs, hw->debugfs_reg, val);
return 0;
}
static int
mtk_wed_reg_get(void *data, u64 *val)
{
struct mtk_wed_hw *hw = data;
unsigned int regval;
int ret;
ret = regmap_read(hw->regs, hw->debugfs_reg, ®val);
if (ret)
return ret;
*val = regval;
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mtk_wed_reg_get, mtk_wed_reg_set,
"0x%08llx\n");
void mtk_wed_hw_add_debugfs(struct mtk_wed_hw *hw)
{
struct dentry *dir;
snprintf(hw->dirname, sizeof(hw->dirname), "wed%d", hw->index);
dir = debugfs_create_dir(hw->dirname, NULL);
if (!dir)
return;
hw->debugfs_dir = dir;
debugfs_create_u32("regidx", 0600, dir, &hw->debugfs_reg);
debugfs_create_file_unsafe("regval", 0600, dir, hw, &fops_regval);
debugfs_create_file_unsafe("txinfo", 0400, dir, hw, &wed_txinfo_fops);
}
|
