4 * ADM5120 GPIO LED devices
6 * Copyright (C) 2007 OpenWrt.org
7 * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the
21 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301, USA.
26 #include <linux/kernel.h>
27 #include <linux/init.h>
28 #include <linux/platform_device.h>
29 #include <linux/leds.h>
30 #include <linux/err.h>
33 #include <linux/leds.h>
35 #include <asm/bootinfo.h>
38 #include <adm5120_info.h>
40 #define NUM_LEDS_MAX 23
41 #define DRV_DESC "LED driver for the ADM5120 based boards"
43 #define ADM5120_GPIO_xxxx 0x100 /* an unknown pin */
46 unsigned long machtype;
48 struct gpio_led *leds;
51 struct adm5120_leddev {
52 struct platform_device pdev;
54 struct gpio_led_platform_data pdata;
58 static struct adm5120_leddev *led_devs[NUM_LEDS_MAX];
60 #define LED_ARRAY(n) \
61 static struct gpio_led n ## _leds [] __initdata =
63 #define LED_DATA(n, t, g, a) { \
65 .default_trigger = (t), \
70 #define LED_STD(g, n, t) LED_DATA((n), (t), (g), 0)
71 #define LED_INV(g, n, t) LED_DATA((n), (t), (g), 1)
76 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
77 LED_ARRAY(np27g) { /* FIXME: untested */
78 LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL),
79 LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL),
80 LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL),
81 LED_STD(ADM5120_GPIO_xxxx, "lan4", NULL),
82 LED_STD(ADM5120_GPIO_xxxx, "wan_cond", NULL),
83 LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL),
84 LED_STD(ADM5120_GPIO_xxxx, "wan_act", NULL),
85 LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL),
86 LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL),
87 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
88 LED_STD(ADM5120_GPIO_xxxx, "diag", NULL),
92 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
93 LED_ARRAY(np28g) { /* FIXME: untested */
94 LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL),
95 LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL),
96 LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL),
97 LED_STD(ADM5120_GPIO_xxxx, "wan", NULL),
98 LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL),
99 LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL),
100 LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL),
101 LED_STD(ADM5120_GPIO_xxxx, "usb3", NULL),
102 LED_STD(ADM5120_GPIO_xxxx, "usb4", NULL),
103 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
104 LED_STD(ADM5120_GPIO_xxxx, "diag", NULL),
109 LED_INV(ADM5120_GPIO_PIN2, "diag", NULL),
110 LED_INV(ADM5120_GPIO_PIN6, "wlan", NULL),
111 LED_INV(ADM5120_GPIO_PIN7, "wan", NULL),
112 LED_INV(ADM5120_GPIO_P0L0, "lan1", NULL),
113 LED_INV(ADM5120_GPIO_P1L0, "lan2", NULL),
120 LED_STD(ADM5120_GPIO_PIN0, "power", NULL),
121 LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL),
122 LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL),
123 LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL),
124 LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL),
125 LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL),
126 LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL),
127 LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
128 LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
129 LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL),
130 LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL),
133 LED_ARRAY(br61x4wg) {
134 LED_STD(ADM5120_GPIO_PIN0, "power", NULL),
135 LED_STD(ADM5120_GPIO_PIN5, "wlan", NULL),
136 LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL),
137 LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL),
138 LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL),
139 LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL),
140 LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL),
141 LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL),
142 LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
143 LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
144 LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL),
145 LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL),
151 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
152 LED_ARRAY(rb100) { /* FIXME: untested */
153 LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
154 LED_STD(ADM5120_GPIO_PIN3, "user", NULL),
159 LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
160 LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
166 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
167 LED_ARRAY(p334) { /* FIXME: untested */
168 LED_INV(ADM5120_GPIO_xxxx, "power", NULL),
169 LED_INV(ADM5120_GPIO_xxxx, "lan1", NULL),
170 LED_INV(ADM5120_GPIO_xxxx, "lan2", NULL),
171 LED_INV(ADM5120_GPIO_xxxx, "lan3", NULL),
172 LED_INV(ADM5120_GPIO_xxxx, "lan4", NULL),
173 LED_INV(ADM5120_GPIO_xxxx, "wan", NULL),
178 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
179 LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL),
180 LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
181 LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL),
182 LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL),
183 LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
184 LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL),
185 LED_INV(ADM5120_GPIO_P2L2, "otist", NULL),
186 LED_INV(ADM5120_GPIO_P1L2, "hidden", NULL),
189 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
190 LED_ARRAY(p335) { /* FIXME: untested */
191 LED_INV(ADM5120_GPIO_PIN2, "power", NULL),
192 LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL),
193 LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
194 LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL),
195 LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL),
196 LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
197 LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL),
198 LED_INV(ADM5120_GPIO_P2L2, "otist", NULL),
199 LED_INV(ADM5120_GPIO_xxxx, "usb", NULL),
207 #if defined(CONFIG_LEDS_ADM5120_DIAG)
208 LED_STD(ADM5120_GPIO_PIN0, "gpio0", NULL),
209 LED_STD(ADM5120_GPIO_PIN1, "gpio1", NULL),
210 LED_STD(ADM5120_GPIO_PIN2, "gpio2", NULL),
211 LED_STD(ADM5120_GPIO_PIN3, "gpio3", NULL),
212 LED_STD(ADM5120_GPIO_PIN4, "gpio4", NULL),
213 LED_STD(ADM5120_GPIO_PIN5, "gpio5", NULL),
214 LED_STD(ADM5120_GPIO_PIN6, "gpio6", NULL),
215 LED_STD(ADM5120_GPIO_PIN7, "gpio7", NULL),
216 LED_STD(ADM5120_GPIO_P0L0, "port0led0", NULL),
217 LED_STD(ADM5120_GPIO_P0L1, "port0led1", NULL),
218 LED_STD(ADM5120_GPIO_P0L2, "port0led2", NULL),
219 LED_STD(ADM5120_GPIO_P1L0, "port1led0", NULL),
220 LED_STD(ADM5120_GPIO_P1L1, "port1led1", NULL),
221 LED_STD(ADM5120_GPIO_P1L2, "port1led2", NULL),
222 LED_STD(ADM5120_GPIO_P2L0, "port2led0", NULL),
223 LED_STD(ADM5120_GPIO_P2L1, "port2led1", NULL),
224 LED_STD(ADM5120_GPIO_P2L2, "port2led2", NULL),
225 LED_STD(ADM5120_GPIO_P3L0, "port3led0", NULL),
226 LED_STD(ADM5120_GPIO_P3L1, "port3led1", NULL),
227 LED_STD(ADM5120_GPIO_P3L2, "port3led2", NULL),
228 LED_STD(ADM5120_GPIO_P4L0, "port4led0", NULL),
229 LED_STD(ADM5120_GPIO_P4L1, "port4led1", NULL),
230 LED_STD(ADM5120_GPIO_P4L2, "port4led2", NULL),
234 #define MACH_DATA(m, n) { \
236 .nr_leds = ARRAY_SIZE(n ## _leds), \
240 static struct mach_data machines[] __initdata = {
241 MACH_DATA(MACH_ADM5120_GENERIC, generic),
243 MACH_DATA(MACH_ADM5120_WP54AG, wp54g),
244 MACH_DATA(MACH_ADM5120_WP54G, wp54g),
245 MACH_DATA(MACH_ADM5120_WP54G_WRT, wp54g),
246 MACH_DATA(MACH_ADM5120_WPP54AG, wp54g),
247 MACH_DATA(MACH_ADM5120_WPP54G, wp54g),
249 MACH_DATA(MACH_ADM5120_BR6104K, br6104k),
250 MACH_DATA(MACH_ADM5120_BR61x4WG, br61x4wg),
252 MACH_DATA(MACH_ADM5120_RB_133, rb133),
253 MACH_DATA(MACH_ADM5120_RB_133C, rb133),
255 MACH_DATA(MACH_ADM5120_P334WT, p334wt),
256 #if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
258 MACH_DATA(MACH_ADM5120_P334, p334),
259 MACH_DATA(MACH_ADM5120_P335, p335),
260 MACH_DATA(MACH_ADM5120_RB_111, rb100),
261 MACH_DATA(MACH_ADM5120_RB_112, rb100),
262 MACH_DATA(MACH_ADM5120_NP27G, np27g),
263 MACH_DATA(MACH_ADM5120_NP28G, np28g),
264 MACH_DATA(MACH_ADM5120_NP28GHS, np28g),
268 static struct adm5120_leddev * __init
269 create_leddev(int id, struct gpio_led *led)
271 struct adm5120_leddev *p;
273 p = kzalloc(sizeof(*p), GFP_KERNEL);
277 memcpy(&p->led, led, sizeof(p->led));
278 p->pdev.name = "leds-gpio";
280 p->pdev.dev.platform_data = &p->pdata;
281 p->pdata.num_leds = 1;
282 p->pdata.leds = &p->led;
287 static struct mach_data * __init
288 adm5120_leds_findmach(unsigned long machtype)
290 struct mach_data *mach;
294 for (i = 0; i < ARRAY_SIZE(machines); i++) {
295 if (machines[i].machtype == machtype) {
301 #if defined(CONFIG_LEDS_ADM5120_DIAG)
310 adm5120_leds_init(void)
312 struct mach_data *mach;
315 if (mips_machgroup != MACH_GROUP_ADM5120) {
320 mach = adm5120_leds_findmach(mips_machtype);
322 printk(KERN_ERR "leds-adm5120: unsupported board\n");
327 for (i = 0; i < mach->nr_leds; i++) {
328 led_devs[i] = create_leddev(i, &mach->leds[i]);
329 if (led_devs[i] == NULL) {
335 for (i = 0; i < mach->nr_leds; i++) {
336 ret = platform_device_register(&led_devs[i]->pdev);
341 led_count = mach->nr_leds;
345 for (i--; i >= 0; i--)
346 platform_device_unregister(&led_devs[i]->pdev);
349 for (i = 0; i < led_count; i++)
356 adm5120_leds_exit(void)
360 for (i = 0; i < led_count; i++) {
361 platform_device_unregister(&led_devs[i]->pdev);
366 module_init(adm5120_leds_init);
367 module_exit(adm5120_leds_exit);
369 MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
370 MODULE_DESCRIPTION(DRV_DESC);
371 MODULE_LICENSE("GPL");