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
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2013 Google, Inc
*
* (C) Copyright 2012
* Pavel Herrmann <morpheus.ibis@gmail.com>
*/
#include <common.h>
#include <command.h>
#include <dm-demo.h>
#include <mapmem.h>
#include <asm/io.h>
struct udevice *demo_dev;
static int do_demo_hello(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
int ch = 0;
if (argc)
ch = *argv[0];
return demo_hello(demo_dev, ch);
}
static int do_demo_status(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
int status;
int ret;
ret = demo_status(demo_dev, &status);
if (ret)
return ret;
printf("Status: %d\n", status);
return 0;
}
static int do_demo_light(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
int light;
int ret;
if (argc) {
light = simple_strtoul(argv[0], NULL, 16);
ret = demo_set_light(demo_dev, light);
} else {
ret = demo_get_light(demo_dev);
if (ret >= 0) {
printf("Light: %x\n", ret);
ret = 0;
}
}
return ret;
}
int do_demo_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
struct udevice *dev;
int i, ret;
puts("Demo uclass entries:\n");
for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev);
dev;
ret = uclass_next_device(&dev)) {
printf("entry %d - instance %08x, ops %08x, platdata %08x\n",
i++, (uint)map_to_sysmem(dev),
(uint)map_to_sysmem(dev->driver->ops),
(uint)map_to_sysmem(dev_get_platdata(dev)));
}
return cmd_process_error(cmdtp, ret);
}
static struct cmd_tbl demo_commands[] = {
U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""),
U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""),
U_BOOT_CMD_MKENT(light, 2, 1, do_demo_light, "", ""),
U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""),
};
static int do_demo(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct cmd_tbl *demo_cmd;
int devnum = 0;
int ret;
if (argc < 2)
return CMD_RET_USAGE;
demo_cmd = find_cmd_tbl(argv[1], demo_commands,
ARRAY_SIZE(demo_commands));
argc -= 2;
argv += 2;
if ((!demo_cmd || argc > demo_cmd->maxargs) ||
((demo_cmd->name[0] != 'l') && (argc < 1)))
return CMD_RET_USAGE;
if (argc) {
devnum = simple_strtoul(argv[0], NULL, 10);
ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev);
if (ret)
return cmd_process_error(cmdtp, ret);
argc--;
argv++;
} else {
demo_dev = NULL;
if (demo_cmd->cmd != do_demo_list)
return CMD_RET_USAGE;
}
ret = demo_cmd->cmd(demo_cmd, flag, argc, argv);
return cmd_process_error(demo_cmd, ret);
}
U_BOOT_CMD(
demo, 4, 1, do_demo,
"Driver model (dm) demo operations",
"list List available demo devices\n"
"demo hello <num> [<char>] Say hello\n"
"demo light [<num>] Set or get the lights\n"
"demo status <num> Get demo device status\n"
"demo list List available demo devices"
);
|
