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
|
/*
* Toshiba TC6387XB support
* Copyright (c) 2005 Ian Molton
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This file contains TC6387XB base support.
*
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tmio.h>
#include <linux/mfd/tc6387xb.h>
#ifdef CONFIG_PM
static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state)
{
struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
if (pdata && pdata->suspend)
pdata->suspend(dev);
return 0;
}
static int tc6387xb_resume(struct platform_device *dev)
{
struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
if (pdata && pdata->resume)
pdata->resume(dev);
return 0;
}
#else
#define tc6387xb_suspend NULL
#define tc6387xb_resume NULL
#endif
/*--------------------------------------------------------------------------*/
static int tc6387xb_mmc_enable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
if (tc6387xb->enable_clk32k)
tc6387xb->enable_clk32k(dev);
return 0;
}
static int tc6387xb_mmc_disable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
if (tc6387xb->disable_clk32k)
tc6387xb->disable_clk32k(dev);
return 0;
}
/*--------------------------------------------------------------------------*/
static struct resource tc6387xb_mmc_resources[] = {
{
.start = 0x800,
.end = 0x9ff,
.flags = IORESOURCE_MEM,
},
{
.start = 0x200,
.end = 0x2ff,
.flags = IORESOURCE_MEM,
},
{
.start = 0,
.end = 0,
.flags = IORESOURCE_IRQ,
},
};
static struct mfd_cell tc6387xb_cells[] = {
{
.name = "tmio-mmc",
.enable = tc6387xb_mmc_enable,
.disable = tc6387xb_mmc_disable,
.num_resources = ARRAY_SIZE(tc6387xb_mmc_resources),
.resources = tc6387xb_mmc_resources,
},
};
static int tc6387xb_probe(struct platform_device *dev)
{
struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
struct resource *iomem;
int irq, ret;
iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!iomem) {
ret = -EINVAL;
goto err_resource;
}
ret = platform_get_irq(dev, 0);
if (ret >= 0)
irq = ret;
else
goto err_resource;
if (data && data->enable)
data->enable(dev);
printk(KERN_INFO "Toshiba tc6387xb initialised\n");
ret = mfd_add_devices(&dev->dev, dev->id, tc6387xb_cells,
ARRAY_SIZE(tc6387xb_cells), iomem, irq);
if (!ret)
return 0;
err_resource:
return ret;
}
static int tc6387xb_remove(struct platform_device *dev)
{
struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
if (data && data->disable)
data->disable(dev);
/* FIXME - free the resources! */
return 0;
}
static struct platform_driver tc6387xb_platform_driver = {
.driver = {
.name = "tc6387xb",
},
.probe = tc6387xb_probe,
.remove = tc6387xb_remove,
.suspend = tc6387xb_suspend,
.resume = tc6387xb_resume,
};
static int __init tc6387xb_init(void)
{
return platform_driver_register(&tc6387xb_platform_driver);
}
static void __exit tc6387xb_exit(void)
{
platform_driver_unregister(&tc6387xb_platform_driver);
}
module_init(tc6387xb_init);
module_exit(tc6387xb_exit);
MODULE_DESCRIPTION("Toshiba TC6387XB core driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Ian Molton");
MODULE_ALIAS("platform:tc6387xb");
|
