4 * ADM5120 GPIO LED devices
6 * Copyright (C) 2007,2008 OpenWrt.org
7 * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
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.
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>
22 #include <linux/leds.h>
24 #include <asm/bootinfo.h>
27 #include <adm5120_info.h>
29 #define NUM_LEDS_MAX 23
30 #define DRV_DESC "LED driver for the ADM5120 based boards"
32 #define ADM5120_GPIO_xxxx 0x100 /* an unknown pin */
35 unsigned long machtype;
37 struct gpio_led *leds;
40 struct adm5120_leddev {
41 struct platform_device pdev;
43 struct gpio_led_platform_data pdata;
47 static struct adm5120_leddev *led_devs[NUM_LEDS_MAX];
49 #define LED_ARRAY(n) \
50 static struct gpio_led n ## _leds [] __initdata =
52 #define LED_DATA(n, t, g, a) { \
54 .default_trigger = (t), \
59 #define LED_STD(g, n, t) LED_DATA((n), (t), (g), 0)
60 #define LED_INV(g, n, t) LED_DATA((n), (t), (g), 1)
65 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
66 LED_ARRAY(np27g) { /* FIXME: untested */
67 LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL),
68 LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL),
69 LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL),
70 LED_STD(ADM5120_GPIO_xxxx, "lan4", NULL),
71 LED_STD(ADM5120_GPIO_xxxx, "wan_cond", NULL),
72 LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL),
73 LED_STD(ADM5120_GPIO_xxxx, "wan_act", NULL),
74 LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL),
75 LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL),
76 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
77 LED_STD(ADM5120_GPIO_xxxx, "diag", NULL),
82 LED_INV(ADM5120_GPIO_PIN2, "diag", NULL),
83 LED_INV(ADM5120_GPIO_PIN3, "power", NULL),
84 LED_INV(ADM5120_GPIO_PIN6, "wan_cond", NULL),
85 LED_INV(ADM5120_GPIO_PIN7, "wifi", NULL),
86 LED_INV(ADM5120_GPIO_P0L2, "usb1", NULL),
87 LED_INV(ADM5120_GPIO_P1L0, "lan1", NULL),
88 LED_INV(ADM5120_GPIO_P1L2, "usb2", NULL),
89 LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
90 LED_INV(ADM5120_GPIO_P2L2, "usb3", NULL),
91 LED_INV(ADM5120_GPIO_P3L0, "lan3", NULL),
92 LED_INV(ADM5120_GPIO_P3L2, "usb4", NULL),
93 LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
97 LED_INV(ADM5120_GPIO_PIN2, "diag", NULL),
98 LED_INV(ADM5120_GPIO_PIN6, "wlan", NULL),
99 LED_INV(ADM5120_GPIO_PIN7, "wan", NULL),
100 LED_INV(ADM5120_GPIO_P0L0, "lan1", NULL),
101 LED_INV(ADM5120_GPIO_P1L0, "lan2", NULL),
108 LED_STD(ADM5120_GPIO_PIN0, "power", NULL),
109 LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL),
110 LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL),
111 LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL),
112 LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL),
113 LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL),
114 LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL),
115 LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
116 LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
117 LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL),
118 LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL),
121 LED_ARRAY(br61x4wg) {
122 LED_STD(ADM5120_GPIO_PIN0, "power", NULL),
123 LED_STD(ADM5120_GPIO_PIN5, "wlan", NULL),
124 LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL),
125 LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL),
126 LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL),
127 LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL),
128 LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL),
129 LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL),
130 LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
131 LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
132 LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL),
133 LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL),
140 LED_STD(ADM5120_GPIO_PIN3, "user", NULL),
141 LED_INV(ADM5120_GPIO_P0L1, "lan_speed", NULL),
142 LED_INV(ADM5120_GPIO_P0L0, "lan_lnkact", NULL),
146 LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
147 LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
148 LED_INV(ADM5120_GPIO_P2L1, "lan1_speed", NULL), /* untested */
149 LED_INV(ADM5120_GPIO_P2L0, "lan1_lnkact", NULL), /* untested */
153 LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
154 LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
155 LED_INV(ADM5120_GPIO_P2L1, "lan1_speed", NULL), /* untested */
156 LED_INV(ADM5120_GPIO_P2L0, "lan1_lnkact", NULL), /* untested */
157 LED_INV(ADM5120_GPIO_P1L1, "lan2_speed", NULL), /* untested */
158 LED_INV(ADM5120_GPIO_P1L0, "lan2_lnkact", NULL), /* untested */
159 LED_INV(ADM5120_GPIO_P0L1, "lan3_speed", NULL), /* untested */
160 LED_INV(ADM5120_GPIO_P0L0, "lan3_lnkact", NULL), /* untested */
164 LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
165 LED_INV(ADM5120_GPIO_P0L1, "lan1_speed", NULL),
166 LED_INV(ADM5120_GPIO_P0L0, "lan1_lnkact", NULL),
167 LED_INV(ADM5120_GPIO_P1L1, "lan5_speed", NULL),
168 LED_INV(ADM5120_GPIO_P1L0, "lan5_lnkact", NULL),
169 LED_INV(ADM5120_GPIO_P2L1, "lan4_speed", NULL),
170 LED_INV(ADM5120_GPIO_P2L0, "lan4_lnkact", NULL),
171 LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
172 LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
173 LED_INV(ADM5120_GPIO_P4L1, "lan2_speed", NULL),
174 LED_INV(ADM5120_GPIO_P4L0, "lan2_lnkact", NULL),
180 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
181 LED_ARRAY(p334) { /* FIXME: untested */
182 LED_INV(ADM5120_GPIO_xxxx, "power", NULL),
183 LED_INV(ADM5120_GPIO_xxxx, "lan1", NULL),
184 LED_INV(ADM5120_GPIO_xxxx, "lan2", NULL),
185 LED_INV(ADM5120_GPIO_xxxx, "lan3", NULL),
186 LED_INV(ADM5120_GPIO_xxxx, "lan4", NULL),
187 LED_INV(ADM5120_GPIO_xxxx, "wan", NULL),
192 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
193 LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL),
194 LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
195 LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL),
196 LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL),
197 LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
198 LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL),
199 LED_INV(ADM5120_GPIO_P2L2, "otist", NULL),
200 LED_INV(ADM5120_GPIO_P1L2, "hidden", NULL),
203 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
204 LED_ARRAY(p335) { /* FIXME: untested */
205 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
206 LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL),
207 LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
208 LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL),
209 LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL),
210 LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
211 LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL),
212 LED_INV(ADM5120_GPIO_P2L2, "otist", NULL),
213 LED_INV(ADM5120_GPIO_xxxx, "usb", NULL),
221 #if defined(CONFIG_LEDS_ADM5120_DIAG)
222 LED_STD(ADM5120_GPIO_PIN0, "gpio0", NULL),
223 LED_STD(ADM5120_GPIO_PIN1, "gpio1", NULL),
224 LED_STD(ADM5120_GPIO_PIN2, "gpio2", NULL),
225 LED_STD(ADM5120_GPIO_PIN3, "gpio3", NULL),
226 LED_STD(ADM5120_GPIO_PIN4, "gpio4", NULL),
227 LED_STD(ADM5120_GPIO_PIN5, "gpio5", NULL),
228 LED_STD(ADM5120_GPIO_PIN6, "gpio6", NULL),
229 LED_STD(ADM5120_GPIO_PIN7, "gpio7", NULL),
230 LED_STD(ADM5120_GPIO_P0L0, "port0led0", NULL),
231 LED_STD(ADM5120_GPIO_P0L1, "port0led1", NULL),
232 LED_STD(ADM5120_GPIO_P0L2, "port0led2", NULL),
233 LED_STD(ADM5120_GPIO_P1L0, "port1led0", NULL),
234 LED_STD(ADM5120_GPIO_P1L1, "port1led1", NULL),
235 LED_STD(ADM5120_GPIO_P1L2, "port1led2", NULL),
236 LED_STD(ADM5120_GPIO_P2L0, "port2led0", NULL),
237 LED_STD(ADM5120_GPIO_P2L1, "port2led1", NULL),
238 LED_STD(ADM5120_GPIO_P2L2, "port2led2", NULL),
239 LED_STD(ADM5120_GPIO_P3L0, "port3led0", NULL),
240 LED_STD(ADM5120_GPIO_P3L1, "port3led1", NULL),
241 LED_STD(ADM5120_GPIO_P3L2, "port3led2", NULL),
242 LED_STD(ADM5120_GPIO_P4L0, "port4led0", NULL),
243 LED_STD(ADM5120_GPIO_P4L1, "port4led1", NULL),
244 LED_STD(ADM5120_GPIO_P4L2, "port4led2", NULL),
248 #define MACH_DATA(m, n) { \
250 .nr_leds = ARRAY_SIZE(n ## _leds), \
254 static struct mach_data machines[] __initdata = {
255 MACH_DATA(MACH_ADM5120_GENERIC, generic),
257 MACH_DATA(MACH_ADM5120_NP28G, np28g),
258 MACH_DATA(MACH_ADM5120_NP28GHS, np28g),
259 MACH_DATA(MACH_ADM5120_WP54AG, wp54g),
260 MACH_DATA(MACH_ADM5120_WP54G, wp54g),
261 MACH_DATA(MACH_ADM5120_WP54G_WRT, wp54g),
262 MACH_DATA(MACH_ADM5120_WPP54AG, wp54g),
263 MACH_DATA(MACH_ADM5120_WPP54G, wp54g),
265 MACH_DATA(MACH_ADM5120_BR6104K, br6104k),
266 MACH_DATA(MACH_ADM5120_BR61x4WG, br61x4wg),
268 MACH_DATA(MACH_ADM5120_RB_111, rb100),
269 MACH_DATA(MACH_ADM5120_RB_112, rb100),
270 MACH_DATA(MACH_ADM5120_RB_133, rb133),
271 MACH_DATA(MACH_ADM5120_RB_133C, rb133c),
272 MACH_DATA(MACH_ADM5120_RB_153, rb153),
274 MACH_DATA(MACH_ADM5120_P334WT, p334wt),
275 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
277 MACH_DATA(MACH_ADM5120_P334, p334),
278 MACH_DATA(MACH_ADM5120_P335, p335),
279 MACH_DATA(MACH_ADM5120_NP27G, np27g),
283 static struct adm5120_leddev * __init
284 create_leddev(int id, struct gpio_led *led)
286 struct adm5120_leddev *p;
288 p = kzalloc(sizeof(*p), GFP_KERNEL);
292 memcpy(&p->led, led, sizeof(p->led));
293 p->pdev.name = "leds-gpio";
295 p->pdev.dev.platform_data = &p->pdata;
296 p->pdata.num_leds = 1;
297 p->pdata.leds = &p->led;
302 static struct mach_data * __init
303 adm5120_leds_findmach(unsigned long machtype)
305 struct mach_data *mach;
309 for (i = 0; i < ARRAY_SIZE(machines); i++) {
310 if (machines[i].machtype == machtype) {
316 #if defined(CONFIG_LEDS_ADM5120_DIAG)
325 adm5120_leds_init(void)
327 struct mach_data *mach;
330 mach = adm5120_leds_findmach(mips_machtype);
332 printk(KERN_ERR "leds-adm5120: unsupported board\n");
337 for (i = 0; i < mach->nr_leds; i++) {
338 led_devs[i] = create_leddev(i, &mach->leds[i]);
339 if (led_devs[i] == NULL) {
345 for (i = 0; i < mach->nr_leds; i++) {
346 ret = platform_device_register(&led_devs[i]->pdev);
351 led_count = mach->nr_leds;
355 for (i--; i >= 0; i--)
356 platform_device_unregister(&led_devs[i]->pdev);
359 for (i = 0; i < led_count; i++)
366 adm5120_leds_exit(void)
370 for (i = 0; i < led_count; i++) {
371 platform_device_unregister(&led_devs[i]->pdev);
376 module_init(adm5120_leds_init);
377 module_exit(adm5120_leds_exit);
379 MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
380 MODULE_DESCRIPTION(DRV_DESC);
381 MODULE_LICENSE("GPL v2");