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
|
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-12-06 GuEe-GUI first version
*/
#include <rtatomic.h>
#include "dev_sdio_dm.h"
#define DBG_TAG "SDIO"
#ifdef RT_SDIO_DEBUG
#define DBG_LVL DBG_LOG
#else
#define DBG_LVL DBG_INFO
#endif /* RT_SDIO_DEBUG */
#include <rtdbg.h>
int sdio_host_set_name(struct rt_mmcsd_host *host, char *out_devname)
{
int id = -1, res;
static int uid_min = -1;
static volatile rt_atomic_t uid = 0;
RT_ASSERT(host != RT_NULL);
#ifdef RT_USING_OFW
if (host->ofw_node)
{
id = rt_ofw_get_alias_id(host->ofw_node, "mmc");
if (uid_min < 0)
{
uid_min = rt_ofw_get_alias_last_id("mmc");
uid_min = uid_min < 0 ? 0 : (uid_min + 1);
rt_atomic_store(&uid, uid_min);
}
}
#endif /* RT_USING_OFW */
if (id < 0)
{
id = (int)rt_atomic_add(&uid, 1);
}
res = rt_snprintf(host->name, RT_NAME_MAX, "sd%u", id);
if (out_devname)
{
rt_strncpy(out_devname, host->name, RT_NAME_MAX);
}
return res;
}
#ifdef RT_USING_OFW
rt_err_t sdio_ofw_parse(struct rt_ofw_node *dev_np, struct rt_mmcsd_host *host)
{
rt_uint32_t bus_width = 1;
if (!dev_np)
{
return -RT_EINVAL;
}
host->ofw_node = host->ofw_node ? : dev_np;
host->flags = MMCSD_MUTBLKWRITE;
rt_ofw_prop_read_u32(dev_np, "bus-width", &bus_width);
switch (bus_width)
{
case 0x8:
host->flags |= MMCSD_BUSWIDTH_8;
break;
case 0x4:
host->flags |= MMCSD_BUSWIDTH_4;
break;
case 0x1:
break;
default:
LOG_E("Invalid \"bus-width\" value %d", bus_width);
return -RT_EIO;
}
rt_ofw_prop_read_u32(dev_np, "max-frequency", &host->freq_max);
if (rt_ofw_prop_read_bool(dev_np, "non-removable"))
{
host->flags |= MMCSD_SUP_NONREMOVABLE;
}
if (rt_ofw_prop_read_bool(dev_np, "cap-sdio-irq"))
{
host->flags |= MMCSD_SUP_SDIO_IRQ;
}
if (rt_ofw_prop_read_bool(dev_np, "cap-sd-highspeed") ||
rt_ofw_prop_read_bool(dev_np, "cap-mmc-highspeed"))
{
host->flags |= MMCSD_SUP_HIGHSPEED;
}
if (rt_ofw_prop_read_bool(dev_np, "mmc-ddr-3_3v"))
{
host->flags |= MMCSD_SUP_DDR_3V3;
}
if (rt_ofw_prop_read_bool(dev_np, "mmc-ddr-1_8v"))
{
host->flags |= MMCSD_SUP_DDR_1V8;
}
if (rt_ofw_prop_read_bool(dev_np, "mmc-ddr-1_2v"))
{
host->flags |= MMCSD_SUP_DDR_1V2;
}
if (rt_ofw_prop_read_bool(dev_np, "mmc-hs200-1_2v"))
{
host->flags |= MMCSD_SUP_HS200_1V2;
}
if (rt_ofw_prop_read_bool(dev_np, "mmc-hs200-1_8v"))
{
host->flags |= MMCSD_SUP_HS200_1V8;
}
if (rt_ofw_prop_read_bool(dev_np, "mmc-hs400-1_8v"))
{
host->flags |= MMCSD_SUP_HS400_1V8;
}
if (rt_ofw_prop_read_bool(dev_np, "mmc-hs400-1_2v"))
{
host->flags |= MMCSD_SUP_HS400_1V2;
}
if (rt_ofw_prop_read_bool(dev_np, "sd-uhs-sdr50"))
{
host->flags |= MMCSD_SUP_SDR50;
}
if (rt_ofw_prop_read_bool(dev_np, "sd-uhs-sdr104"))
{
host->flags |= MMCSD_SUP_SDR104;
}
if (rt_ofw_prop_read_bool(dev_np, "sd-uhs-ddr50"))
{
host->flags |= MMCSD_SUP_DDR50;
}
return RT_EOK;
}
#endif /* RT_USING_OFW */
|
