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[adm5120] sync kernel config
[openwrt.git] / target / linux / adm5120 / files / drivers / leds / leds-adm5120.c
1 /*
2 * $Id$
3 *
4 * ADM5120 GPIO LED devices
5 *
6 * Copyright (C) 2007,2008 OpenWrt.org
7 * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License version 2 as published
11 * by the Free Software Foundation.
12 *
13 */
14
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/leds.h>
19 #include <linux/err.h>
20
21 #include <linux/io.h>
22 #include <linux/leds.h>
23
24 #include <asm/bootinfo.h>
25 #include <asm/gpio.h>
26
27 #include <adm5120_info.h>
28
29 #define DRV_DESC "LED driver for the ADM5120 based boards"
30 #define DRV_VERSION "0.2.1"
31
32 #define NUM_LEDS_MAX 23
33 #define ADM5120_GPIO_xxxx 0x100 /* an unknown pin */
34
35 struct mach_data {
36 unsigned long machtype;
37 unsigned nr_leds;
38 struct gpio_led *leds;
39 };
40
41 struct adm5120_leddev {
42 struct platform_device pdev;
43 struct gpio_led led;
44 struct gpio_led_platform_data pdata;
45 };
46
47 static int led_count;
48 static struct adm5120_leddev *led_devs[NUM_LEDS_MAX];
49
50 #define LED_ARRAY(n) \
51 static struct gpio_led n ## _leds [] __initdata =
52
53 #define LED_DATA(n, t, g, a) { \
54 .name = (n), \
55 .default_trigger = (t), \
56 .gpio = (g), \
57 .active_low = (a) \
58 }
59
60 #define LED_STD(g, n, t) LED_DATA((n), (t), (g), 0)
61 #define LED_INV(g, n, t) LED_DATA((n), (t), (g), 1)
62
63 /*
64 * Cellvision boards
65 */
66
67 LED_ARRAY(cas771) {
68 LED_STD(ADM5120_GPIO_PIN0, "cam_flash", NULL),
69 /* GPIO PIN3 is the reset */
70 LED_STD(ADM5120_GPIO_PIN6, "access", NULL),
71 LED_STD(ADM5120_GPIO_P0L1, "status", NULL),
72 LED_STD(ADM5120_GPIO_P0L2, "diag", NULL),
73 };
74
75 /*
76 * Compex boards
77 */
78 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
79 LED_ARRAY(np27g) { /* FIXME: untested */
80 LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL),
81 LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL),
82 LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL),
83 LED_STD(ADM5120_GPIO_xxxx, "lan4", NULL),
84 LED_STD(ADM5120_GPIO_xxxx, "wan_cond", NULL),
85 LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL),
86 LED_STD(ADM5120_GPIO_xxxx, "wan_act", NULL),
87 LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL),
88 LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL),
89 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
90 LED_STD(ADM5120_GPIO_xxxx, "diag", NULL),
91 };
92 #endif
93
94 LED_ARRAY(np28g) {
95 LED_INV(ADM5120_GPIO_PIN2, "diag", NULL),
96 LED_INV(ADM5120_GPIO_PIN3, "power", NULL),
97 LED_INV(ADM5120_GPIO_PIN6, "wan_cond", NULL),
98 LED_INV(ADM5120_GPIO_PIN7, "wifi", NULL),
99 LED_INV(ADM5120_GPIO_P0L2, "usb1", NULL),
100 LED_INV(ADM5120_GPIO_P1L0, "lan1", NULL),
101 LED_INV(ADM5120_GPIO_P1L2, "usb2", NULL),
102 LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
103 LED_INV(ADM5120_GPIO_P2L2, "usb3", NULL),
104 LED_INV(ADM5120_GPIO_P3L0, "lan3", NULL),
105 LED_INV(ADM5120_GPIO_P3L2, "usb4", NULL),
106 LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
107 };
108
109 LED_ARRAY(wp54g) {
110 LED_INV(ADM5120_GPIO_PIN2, "diag", NULL),
111 LED_INV(ADM5120_GPIO_PIN6, "wlan", NULL),
112 LED_INV(ADM5120_GPIO_PIN7, "wan", NULL),
113 LED_INV(ADM5120_GPIO_P0L0, "lan1", NULL),
114 LED_INV(ADM5120_GPIO_P1L0, "lan2", NULL),
115 };
116
117 /*
118 * Edimax boards
119 */
120 LED_ARRAY(br6104k) {
121 LED_STD(ADM5120_GPIO_PIN0, "power", NULL),
122 LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL),
123 LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL),
124 LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL),
125 LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL),
126 LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL),
127 LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL),
128 LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
129 LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
130 LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL),
131 LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL),
132 };
133
134 LED_ARRAY(br61x4wg) {
135 LED_STD(ADM5120_GPIO_PIN0, "power", NULL),
136 LED_STD(ADM5120_GPIO_PIN5, "wlan", NULL),
137 LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL),
138 LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL),
139 LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL),
140 LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL),
141 LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL),
142 LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL),
143 LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
144 LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
145 LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL),
146 LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL),
147 };
148
149 /*
150 * Infineon boards
151 */
152 LED_ARRAY(easy5120rt) {
153 LED_INV(ADM5120_GPIO_PIN6, "user", NULL),
154 LED_INV(ADM5120_GPIO_P0L0, "lan0_led1", NULL),
155 LED_INV(ADM5120_GPIO_P0L1, "lan0_led2", NULL),
156 LED_INV(ADM5120_GPIO_P1L0, "lan1_led1", NULL),
157 LED_INV(ADM5120_GPIO_P1L1, "lan1_led2", NULL),
158 LED_INV(ADM5120_GPIO_P2L0, "lan2_led1", NULL),
159 LED_INV(ADM5120_GPIO_P2L1, "lan2_led2", NULL),
160 LED_INV(ADM5120_GPIO_P3L0, "lan3_led1", NULL),
161 LED_INV(ADM5120_GPIO_P3L1, "lan3_led2", NULL),
162 LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
163 };
164
165 /*
166 * Mikrotik boards
167 */
168 LED_ARRAY(rb100) {
169 LED_STD(ADM5120_GPIO_PIN3, "user", NULL),
170 LED_INV(ADM5120_GPIO_P0L1, "lan_speed", NULL),
171 LED_INV(ADM5120_GPIO_P0L0, "lan_lnkact", NULL),
172 };
173
174 LED_ARRAY(rb133) {
175 LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
176 LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
177 LED_INV(ADM5120_GPIO_P2L1, "lan1_speed", NULL), /* untested */
178 LED_INV(ADM5120_GPIO_P2L0, "lan1_lnkact", NULL), /* untested */
179 LED_INV(ADM5120_GPIO_P1L1, "lan2_speed", NULL), /* untested */
180 LED_INV(ADM5120_GPIO_P1L0, "lan2_lnkact", NULL), /* untested */
181 LED_INV(ADM5120_GPIO_P0L1, "lan3_speed", NULL), /* untested */
182 LED_INV(ADM5120_GPIO_P0L0, "lan3_lnkact", NULL), /* untested */
183 };
184
185 LED_ARRAY(rb133c) {
186 LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
187 LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
188 LED_INV(ADM5120_GPIO_P2L1, "lan1_speed", NULL), /* untested */
189 LED_INV(ADM5120_GPIO_P2L0, "lan1_lnkact", NULL), /* untested */
190 };
191
192 LED_ARRAY(rb150) {
193 LED_STD(ADM5120_GPIO_P0L2, "user", NULL),
194 LED_INV(ADM5120_GPIO_P0L1, "lan1_led1", NULL), /* untested */
195 LED_INV(ADM5120_GPIO_P0L0, "lan1_led2", NULL), /* untested */
196 LED_INV(ADM5120_GPIO_P1L1, "lan5_led1", NULL), /* untested */
197 LED_INV(ADM5120_GPIO_P1L0, "lan5_led2", NULL), /* untested */
198 LED_INV(ADM5120_GPIO_P2L1, "lan4_led1", NULL), /* untested */
199 LED_INV(ADM5120_GPIO_P2L0, "lan4_led2", NULL), /* untested */
200 LED_INV(ADM5120_GPIO_P3L1, "lan3_led1", NULL), /* untested */
201 LED_INV(ADM5120_GPIO_P3L0, "lan3_led2", NULL), /* untested */
202 LED_INV(ADM5120_GPIO_P4L1, "lan2_led1", NULL), /* untested */
203 LED_INV(ADM5120_GPIO_P4L0, "lan2_led2", NULL), /* untested */
204 };
205
206 LED_ARRAY(rb153) {
207 LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
208 LED_INV(ADM5120_GPIO_P0L1, "lan1_speed", NULL),
209 LED_INV(ADM5120_GPIO_P0L0, "lan1_lnkact", NULL),
210 LED_INV(ADM5120_GPIO_P1L1, "lan5_speed", NULL),
211 LED_INV(ADM5120_GPIO_P1L0, "lan5_lnkact", NULL),
212 LED_INV(ADM5120_GPIO_P2L1, "lan4_speed", NULL),
213 LED_INV(ADM5120_GPIO_P2L0, "lan4_lnkact", NULL),
214 LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
215 LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
216 LED_INV(ADM5120_GPIO_P4L1, "lan2_speed", NULL),
217 LED_INV(ADM5120_GPIO_P4L0, "lan2_lnkact", NULL),
218 };
219
220 /*
221 * ZyXEL boards
222 */
223 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
224 LED_ARRAY(p334) { /* FIXME: untested */
225 LED_INV(ADM5120_GPIO_xxxx, "power", NULL),
226 LED_INV(ADM5120_GPIO_xxxx, "lan1", NULL),
227 LED_INV(ADM5120_GPIO_xxxx, "lan2", NULL),
228 LED_INV(ADM5120_GPIO_xxxx, "lan3", NULL),
229 LED_INV(ADM5120_GPIO_xxxx, "lan4", NULL),
230 LED_INV(ADM5120_GPIO_xxxx, "wan", NULL),
231 };
232 #endif
233
234 LED_ARRAY(p334wt) {
235 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
236 LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL),
237 LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
238 LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL),
239 LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL),
240 LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
241 LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL),
242 LED_INV(ADM5120_GPIO_P2L2, "otist", NULL),
243 LED_INV(ADM5120_GPIO_P1L2, "hidden", NULL),
244 };
245
246 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
247 LED_ARRAY(p335) { /* FIXME: untested */
248 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
249 LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL),
250 LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
251 LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL),
252 LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL),
253 LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
254 LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL),
255 LED_INV(ADM5120_GPIO_P2L2, "otist", NULL),
256 LED_INV(ADM5120_GPIO_xxxx, "usb", NULL),
257 };
258 #endif
259
260 /*
261 * Generic board
262 */
263 LED_ARRAY(generic) {
264 #if defined(CONFIG_LEDS_ADM5120_DIAG)
265 LED_STD(ADM5120_GPIO_PIN0, "gpio0", NULL),
266 LED_STD(ADM5120_GPIO_PIN1, "gpio1", NULL),
267 LED_STD(ADM5120_GPIO_PIN2, "gpio2", NULL),
268 LED_STD(ADM5120_GPIO_PIN3, "gpio3", NULL),
269 LED_STD(ADM5120_GPIO_PIN4, "gpio4", NULL),
270 LED_STD(ADM5120_GPIO_PIN5, "gpio5", NULL),
271 LED_STD(ADM5120_GPIO_PIN6, "gpio6", NULL),
272 LED_STD(ADM5120_GPIO_PIN7, "gpio7", NULL),
273 LED_STD(ADM5120_GPIO_P0L0, "port0led0", NULL),
274 LED_STD(ADM5120_GPIO_P0L1, "port0led1", NULL),
275 LED_STD(ADM5120_GPIO_P0L2, "port0led2", NULL),
276 LED_STD(ADM5120_GPIO_P1L0, "port1led0", NULL),
277 LED_STD(ADM5120_GPIO_P1L1, "port1led1", NULL),
278 LED_STD(ADM5120_GPIO_P1L2, "port1led2", NULL),
279 LED_STD(ADM5120_GPIO_P2L0, "port2led0", NULL),
280 LED_STD(ADM5120_GPIO_P2L1, "port2led1", NULL),
281 LED_STD(ADM5120_GPIO_P2L2, "port2led2", NULL),
282 LED_STD(ADM5120_GPIO_P3L0, "port3led0", NULL),
283 LED_STD(ADM5120_GPIO_P3L1, "port3led1", NULL),
284 LED_STD(ADM5120_GPIO_P3L2, "port3led2", NULL),
285 LED_STD(ADM5120_GPIO_P4L0, "port4led0", NULL),
286 LED_STD(ADM5120_GPIO_P4L1, "port4led1", NULL),
287 LED_STD(ADM5120_GPIO_P4L2, "port4led2", NULL),
288 #endif
289 };
290
291 #define MACH_DATA(m, n) { \
292 .machtype = (m), \
293 .nr_leds = ARRAY_SIZE(n ## _leds), \
294 .leds = n ## _leds \
295 }
296
297 static struct mach_data machines[] __initdata = {
298 MACH_DATA(MACH_ADM5120_GENERIC, generic),
299 /* Cellvision */
300 MACH_DATA(MACH_ADM5120_CAS771, cas771),
301 /* Compex */
302 MACH_DATA(MACH_ADM5120_NP28G, np28g),
303 MACH_DATA(MACH_ADM5120_NP28GHS, np28g),
304 MACH_DATA(MACH_ADM5120_WP54AG, wp54g),
305 MACH_DATA(MACH_ADM5120_WP54G, wp54g),
306 MACH_DATA(MACH_ADM5120_WP54G_WRT, wp54g),
307 MACH_DATA(MACH_ADM5120_WPP54AG, wp54g),
308 MACH_DATA(MACH_ADM5120_WPP54G, wp54g),
309 /* Edimax */
310 MACH_DATA(MACH_ADM5120_BR6104K, br6104k),
311 MACH_DATA(MACH_ADM5120_BR61x4WG, br61x4wg),
312 /* Infineon */
313 MACH_DATA(MACH_ADM5120_EASY5120RT, easy5120rt),
314 /* Mikrotik */
315 MACH_DATA(MACH_ADM5120_RB_111, rb100),
316 MACH_DATA(MACH_ADM5120_RB_112, rb100),
317 MACH_DATA(MACH_ADM5120_RB_133, rb133),
318 MACH_DATA(MACH_ADM5120_RB_133C, rb133c),
319 MACH_DATA(MACH_ADM5120_RB_150, rb150),
320 MACH_DATA(MACH_ADM5120_RB_153, rb153),
321 /* ZyXEL */
322 MACH_DATA(MACH_ADM5120_P334WT, p334wt),
323 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
324 /* untested */
325 MACH_DATA(MACH_ADM5120_P334, p334),
326 MACH_DATA(MACH_ADM5120_P335, p335),
327 MACH_DATA(MACH_ADM5120_NP27G, np27g),
328 #endif
329 };
330
331 static struct adm5120_leddev * __init
332 create_leddev(int id, struct gpio_led *led)
333 {
334 struct adm5120_leddev *p;
335
336 p = kzalloc(sizeof(*p), GFP_KERNEL);
337 if (p == NULL)
338 return NULL;
339
340 memcpy(&p->led, led, sizeof(p->led));
341 p->pdev.name = "leds-gpio";
342 p->pdev.id = id;
343 p->pdev.dev.platform_data = &p->pdata;
344 p->pdata.num_leds = 1;
345 p->pdata.leds = &p->led;
346
347 return p;
348 }
349
350 static struct mach_data * __init
351 adm5120_leds_findmach(unsigned long machtype)
352 {
353 struct mach_data *mach;
354 int i;
355
356 mach = NULL;
357 for (i = 0; i < ARRAY_SIZE(machines); i++) {
358 if (machines[i].machtype == machtype) {
359 mach = &machines[i];
360 break;
361 }
362 };
363
364 #if defined(CONFIG_LEDS_ADM5120_DIAG)
365 if (mach == NULL)
366 mach = machines;
367 #endif
368
369 return mach;
370 }
371
372 static int __init
373 adm5120_leds_init(void)
374 {
375 struct mach_data *mach;
376 int i, ret;
377
378 mach = adm5120_leds_findmach(mips_machtype);
379 if (mach == NULL) {
380 printk(KERN_ERR "leds-adm5120: unsupported board\n");
381 ret = -EINVAL;
382 goto err;
383 }
384
385 for (i = 0; i < mach->nr_leds; i++) {
386 led_devs[i] = create_leddev(i, &mach->leds[i]);
387 if (led_devs[i] == NULL) {
388 ret = -ENOMEM;
389 goto err_destroy;
390 }
391 }
392
393 for (i = 0; i < mach->nr_leds; i++) {
394 ret = platform_device_register(&led_devs[i]->pdev);
395 if (ret)
396 goto err_unregister;
397 }
398
399 led_count = mach->nr_leds;
400 return 0;
401
402 err_unregister:
403 for (i--; i >= 0; i--)
404 platform_device_unregister(&led_devs[i]->pdev);
405
406 err_destroy:
407 for (i = 0; i < led_count; i++)
408 kfree(led_devs[i]);
409 err:
410 return ret;
411 }
412
413 static void __exit
414 adm5120_leds_exit(void)
415 {
416 int i;
417
418 for (i = 0; i < led_count; i++) {
419 platform_device_unregister(&led_devs[i]->pdev);
420 kfree(led_devs[i]);
421 }
422 }
423
424 module_init(adm5120_leds_init);
425 module_exit(adm5120_leds_exit);
426
427 MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
428 MODULE_DESCRIPTION(DRV_DESC);
429 MODULE_LICENSE("GPL v2");
430 MODULE_VERSION(DRV_VERSION);
431
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