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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
|
/*
* $Id$
*
* ADM5120 GPIO LED devices
*
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <asm/bootinfo.h>
#include <asm/gpio.h>
#include <adm5120_info.h>
#define NUM_LEDS_MAX 23
#define DRV_DESC "LED driver for the ADM5120 based boards"
#define ADM5120_GPIO_xxxx 0x100 /* an unknown pin */
struct mach_data {
unsigned long machtype;
unsigned nr_leds;
struct gpio_led *leds;
};
struct adm5120_leddev {
struct platform_device pdev;
struct gpio_led led;
struct gpio_led_platform_data pdata;
};
static int led_count;
static struct adm5120_leddev *led_devs[NUM_LEDS_MAX];
#define LED_ARRAY(n) \
static struct gpio_led n ## _leds [] __initdata =
#define LED_DATA(n, t, g, a) { \
.name = (n), \
.default_trigger = (t), \
.gpio = (g), \
.active_low = (a) \
}
#define LED_STD(g, n, t) LED_DATA((n), (t), (g), 0)
#define LED_INV(g, n, t) LED_DATA((n), (t), (g), 1)
/*
* Compex boards
*/
#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
LED_ARRAY(np27g) { /* FIXME: untested */
LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL),
LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL),
LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL),
LED_STD(ADM5120_GPIO_xxxx, "lan4", NULL),
LED_STD(ADM5120_GPIO_xxxx, "wan_cond", NULL),
LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL),
LED_STD(ADM5120_GPIO_xxxx, "wan_act", NULL),
LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL),
LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL),
LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
LED_STD(ADM5120_GPIO_xxxx, "diag", NULL),
};
#endif
#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
LED_ARRAY(np28g) { /* FIXME: untested */
LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL),
LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL),
LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL),
LED_STD(ADM5120_GPIO_xxxx, "wan", NULL),
LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL),
LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL),
LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL),
LED_STD(ADM5120_GPIO_xxxx, "usb3", NULL),
LED_STD(ADM5120_GPIO_xxxx, "usb4", NULL),
LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
LED_STD(ADM5120_GPIO_xxxx, "diag", NULL),
};
#endif
LED_ARRAY(wp54g) {
LED_INV(ADM5120_GPIO_PIN2, "diag", NULL),
LED_INV(ADM5120_GPIO_PIN6, "wlan", NULL),
LED_INV(ADM5120_GPIO_PIN7, "wan", NULL),
LED_INV(ADM5120_GPIO_P0L0, "lan1", NULL),
LED_INV(ADM5120_GPIO_P1L0, "lan2", NULL),
};
/*
* Edimax boards
*/
LED_ARRAY(br6104k) {
LED_STD(ADM5120_GPIO_PIN0, "power", NULL),
LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL),
LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL),
LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL),
LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL),
LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL),
LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL),
LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL),
LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL),
};
LED_ARRAY(br61x4wg) {
LED_STD(ADM5120_GPIO_PIN0, "power", NULL),
LED_STD(ADM5120_GPIO_PIN5, "wlan", NULL),
LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL),
LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL),
LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL),
LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL),
LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL),
LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL),
LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL),
LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL),
};
/*
* Mikrotik boards
*/
#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
LED_ARRAY(rb100) { /* FIXME: untested */
LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
LED_STD(ADM5120_GPIO_PIN3, "user", NULL),
};
#endif
LED_ARRAY(rb133) {
LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
};
/*
* ZyXEL boards
*/
#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
LED_ARRAY(p334) { /* FIXME: untested */
LED_INV(ADM5120_GPIO_xxxx, "power", NULL),
LED_INV(ADM5120_GPIO_xxxx, "lan1", NULL),
LED_INV(ADM5120_GPIO_xxxx, "lan2", NULL),
LED_INV(ADM5120_GPIO_xxxx, "lan3", NULL),
LED_INV(ADM5120_GPIO_xxxx, "lan4", NULL),
LED_INV(ADM5120_GPIO_xxxx, "wan", NULL),
};
#endif
LED_ARRAY(p334wt) {
LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL),
LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL),
LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL),
LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL),
LED_INV(ADM5120_GPIO_P2L2, "otist", NULL),
LED_INV(ADM5120_GPIO_P1L2, "hidden", NULL),
};
#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
LED_ARRAY(p335) { /* FIXME: untested */
LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL),
LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL),
LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL),
LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL),
LED_INV(ADM5120_GPIO_P2L2, "otist", NULL),
LED_INV(ADM5120_GPIO_xxxx, "usb", NULL),
};
#endif
/*
* Generic board
*/
LED_ARRAY(generic) {
#if defined(CONFIG_LEDS_ADM5120_DIAG)
LED_STD(ADM5120_GPIO_PIN0, "gpio0", NULL),
LED_STD(ADM5120_GPIO_PIN1, "gpio1", NULL),
LED_STD(ADM5120_GPIO_PIN2, "gpio2", NULL),
LED_STD(ADM5120_GPIO_PIN3, "gpio3", NULL),
LED_STD(ADM5120_GPIO_PIN4, "gpio4", NULL),
LED_STD(ADM5120_GPIO_PIN5, "gpio5", NULL),
LED_STD(ADM5120_GPIO_PIN6, "gpio6", NULL),
LED_STD(ADM5120_GPIO_PIN7, "gpio7", NULL),
LED_STD(ADM5120_GPIO_P0L0, "port0led0", NULL),
LED_STD(ADM5120_GPIO_P0L1, "port0led1", NULL),
LED_STD(ADM5120_GPIO_P0L2, "port0led2", NULL),
LED_STD(ADM5120_GPIO_P1L0, "port1led0", NULL),
LED_STD(ADM5120_GPIO_P1L1, "port1led1", NULL),
LED_STD(ADM5120_GPIO_P1L2, "port1led2", NULL),
LED_STD(ADM5120_GPIO_P2L0, "port2led0", NULL),
LED_STD(ADM5120_GPIO_P2L1, "port2led1", NULL),
LED_STD(ADM5120_GPIO_P2L2, "port2led2", NULL),
LED_STD(ADM5120_GPIO_P3L0, "port3led0", NULL),
LED_STD(ADM5120_GPIO_P3L1, "port3led1", NULL),
LED_STD(ADM5120_GPIO_P3L2, "port3led2", NULL),
LED_STD(ADM5120_GPIO_P4L0, "port4led0", NULL),
LED_STD(ADM5120_GPIO_P4L1, "port4led1", NULL),
LED_STD(ADM5120_GPIO_P4L2, "port4led2", NULL),
#endif
};
#define MACH_DATA(m, n) { \
.machtype = (m), \
.nr_leds = ARRAY_SIZE(n ## _leds), \
.leds = n ## _leds \
}
static struct mach_data machines[] __initdata = {
MACH_DATA(MACH_ADM5120_GENERIC, generic),
/* Compex */
MACH_DATA(MACH_ADM5120_WP54AG, wp54g),
MACH_DATA(MACH_ADM5120_WP54G, wp54g),
MACH_DATA(MACH_ADM5120_WP54G_WRT, wp54g),
MACH_DATA(MACH_ADM5120_WPP54AG, wp54g),
MACH_DATA(MACH_ADM5120_WPP54G, wp54g),
/* Edimax */
MACH_DATA(MACH_ADM5120_BR6104K, br6104k),
MACH_DATA(MACH_ADM5120_BR61x4WG, br61x4wg),
/* Mikrotik */
MACH_DATA(MACH_ADM5120_RB_133, rb133),
MACH_DATA(MACH_ADM5120_RB_133C, rb133),
/* ZyXEL */
MACH_DATA(MACH_ADM5120_P334WT, p334wt),
#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
/* untested */
MACH_DATA(MACH_ADM5120_P334, p334),
MACH_DATA(MACH_ADM5120_P335, p335),
MACH_DATA(MACH_ADM5120_RB_111, rb100),
MACH_DATA(MACH_ADM5120_RB_112, rb100),
MACH_DATA(MACH_ADM5120_NP27G, np27g),
MACH_DATA(MACH_ADM5120_NP28G, np28g),
MACH_DATA(MACH_ADM5120_NP28GHS, np28g),
#endif
};
static struct adm5120_leddev * __init
create_leddev(int id, struct gpio_led *led)
{
struct adm5120_leddev *p;
p = kzalloc(sizeof(*p), GFP_KERNEL);
if (p == NULL)
return NULL;
memcpy(&p->led, led, sizeof(p->led));
p->pdev.name = "leds-gpio";
p->pdev.id = id;
p->pdev.dev.platform_data = &p->pdata;
p->pdata.num_leds = 1;
p->pdata.leds = &p->led;
return p;
}
static struct mach_data * __init
adm5120_leds_findmach(unsigned long machtype)
{
struct mach_data *mach;
int i;
mach = NULL;
for (i = 0; i < ARRAY_SIZE(machines); i++) {
if (machines[i].machtype == machtype) {
mach = &machines[i];
break;
}
};
#if defined(CONFIG_LEDS_ADM5120_DIAG)
if (mach == NULL)
mach = machines;
#endif
return mach;
}
static int __init
adm5120_leds_init(void)
{
struct mach_data *mach;
int i, ret;
if (mips_machgroup != MACH_GROUP_ADM5120) {
ret = -EINVAL;
goto err;
}
mach = adm5120_leds_findmach(mips_machtype);
if (mach == NULL) {
printk(KERN_ERR "leds-adm5120: unsupported board\n");
ret = -EINVAL;
goto err;
}
for (i = 0; i < mach->nr_leds; i++) {
led_devs[i] = create_leddev(i, &mach->leds[i]);
if (led_devs[i] == NULL) {
ret = -ENOMEM;
goto err_destroy;
}
}
for (i = 0; i < mach->nr_leds; i++) {
ret = platform_device_register(&led_devs[i]->pdev);
if (ret)
goto err_unregister;
}
led_count = mach->nr_leds;
return 0;
err_unregister:
for (i--; i >= 0; i--)
platform_device_unregister(&led_devs[i]->pdev);
err_destroy:
for (i = 0; i < led_count; i++)
kfree(led_devs[i]);
err:
return ret;
}
static void __exit
adm5120_leds_exit(void)
{
int i;
for (i = 0; i < led_count; i++) {
platform_device_unregister(&led_devs[i]->pdev);
kfree(led_devs[i]);
}
}
module_init(adm5120_leds_init);
module_exit(adm5120_leds_exit);
MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
MODULE_DESCRIPTION(DRV_DESC);
MODULE_LICENSE("GPL");
|
