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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/*
* wl12xx SDIO routines
*
* 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 program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Copyright (C) 2005 Texas Instruments Incorporated
* Copyright (C) 2008 Google Inc
* Copyright (C) 2009 Bob Copeland (me@bobcopeland.com)
*/
#include <linux/module.h>
#include <linux/crc7.h>
#include <linux/mod_devicetable.h>
#include <linux/irq.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/platform_device.h>
#include "wl1251.h"
#include "wl12xx_80211.h"
#include "reg.h"
#include "wl1251_ps.h"
#include "wl1251_io.h"
#include "wl1251_tx.h"
#include "wl1251_debugfs.h"
#ifndef SDIO_VENDOR_ID_TI
#define SDIO_VENDOR_ID_TI 0x104c
#endif
#ifndef SDIO_DEVICE_ID_TI_WL1251
#define SDIO_DEVICE_ID_TI_WL1251 0x9066
#endif
static struct sdio_func *wl_to_func(struct wl1251 *wl)
{
return wl->if_priv;
}
static void wl1251_sdio_interrupt(struct sdio_func *func)
{
struct wl1251 *wl = sdio_get_drvdata(func);
wl1251_debug(DEBUG_IRQ, "IRQ");
/* FIXME should be synchronous for sdio */
schedule_work(&wl->irq_work);
}
static const struct sdio_device_id wl1251_devices[] = {
{ SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1251) },
{}
};
MODULE_DEVICE_TABLE(sdio, wl1251_devices);
void wl1251_sdio_read(struct wl1251 *wl, int addr, void *buf, size_t len)
{
int ret;
struct sdio_func *func = wl_to_func(wl);
sdio_claim_host(func);
ret = sdio_memcpy_fromio(func, buf, addr, len);
if (ret)
wl1251_error("sdio read failed (%d)", ret);
sdio_release_host(func);
}
void wl1251_sdio_write(struct wl1251 *wl, int addr, void *buf, size_t len)
{
int ret;
struct sdio_func *func = wl_to_func(wl);
sdio_claim_host(func);
ret = sdio_memcpy_toio(func, addr, buf, len);
if (ret)
wl1251_error("sdio write failed (%d)", ret);
sdio_release_host(func);
}
void wl1251_sdio_reset(struct wl1251 *wl)
{
}
static void wl1251_sdio_enable_irq(struct wl1251 *wl)
{
struct sdio_func *func = wl_to_func(wl);
sdio_claim_host(func);
sdio_claim_irq(func, wl1251_sdio_interrupt);
sdio_release_host(func);
}
static void wl1251_sdio_disable_irq(struct wl1251 *wl)
{
struct sdio_func *func = wl_to_func(wl);
sdio_claim_host(func);
sdio_release_irq(func);
sdio_release_host(func);
}
void wl1251_sdio_set_power(bool enable)
{
}
struct wl1251_if_operations wl1251_sdio_ops = {
.read = wl1251_sdio_read,
.write = wl1251_sdio_write,
.reset = wl1251_sdio_reset,
.enable_irq = wl1251_sdio_enable_irq,
.disable_irq = wl1251_sdio_disable_irq,
};
int wl1251_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
{
int ret;
struct wl1251 *wl;
struct ieee80211_hw *hw;
hw = wl1251_alloc_hw();
if (IS_ERR(hw))
return PTR_ERR(hw);
wl = hw->priv;
sdio_claim_host(func);
ret = sdio_enable_func(func);
if (ret)
goto release;
sdio_set_block_size(func, 512);
SET_IEEE80211_DEV(hw, &func->dev);
wl->if_priv = func;
wl->if_ops = &wl1251_sdio_ops;
wl->set_power = wl1251_sdio_set_power;
sdio_release_host(func);
ret = wl1251_init_ieee80211(wl);
if (ret)
goto disable;
sdio_set_drvdata(func, wl);
return ret;
disable:
sdio_claim_host(func);
sdio_disable_func(func);
release:
sdio_release_host(func);
return ret;
}
static void __devexit wl1251_sdio_remove(struct sdio_func *func)
{
struct wl1251 *wl = sdio_get_drvdata(func);
wl1251_free_hw(wl);
sdio_claim_host(func);
sdio_release_irq(func);
sdio_disable_func(func);
sdio_release_host(func);
}
static struct sdio_driver wl1251_sdio_driver = {
.name = "wl1251_sdio",
.id_table = wl1251_devices,
.probe = wl1251_sdio_probe,
.remove = __devexit_p(wl1251_sdio_remove),
};
static int __init wl1251_sdio_init(void)
{
int err;
err = sdio_register_driver(&wl1251_sdio_driver);
if (err)
wl1251_error("failed to register sdio driver: %d", err);
return err;
}
static void __exit wl1251_sdio_exit(void)
{
sdio_unregister_driver(&wl1251_sdio_driver);
wl1251_notice("unloaded");
}
module_init(wl1251_sdio_init);
module_exit(wl1251_sdio_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>");
MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
|
