[adm5120] add LEDs trigger for switch port states, thanks to Bernhard Held (closes...
[openwrt.git] / target / linux / adm5120 / files / drivers / leds / leds-adm5120.c
index 0618937..368a13b 100644 (file)
 #include <linux/leds.h>
 #include <linux/err.h>
 
-#include <linux/gpio_leds.h>
+#include <linux/io.h>
+#include <linux/leds.h>
 
 #include <asm/bootinfo.h>
-#include <asm/io.h>
 #include <asm/gpio.h>
 
-#include <asm/mach-adm5120/adm5120_info.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 count;
-       struct gpio_led_platform_data *data;
+       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 = 0;
+static int led_count;
 static struct adm5120_leddev *led_devs[NUM_LEDS_MAX];
 
 #define LED_ARRAY(n)                           \
-static struct gpio_led_platform_data           \
-n ## _leds [] __initdata =
-
-#define LED_DATA(n,t,g,off,on) {               \
-       .name = (n),                            \
-       .trigger = (t),                         \
-       .gpio = (g),                            \
-       .value_off = (off),                     \
-       .value_on = (on)                        \
-       }
+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, 1)
-#define LED_INV(g,n,t) LED_DATA((n),(t),(g), 1, 0)
+#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 ),
+       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 ),
+       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 ),
+       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_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),
 };
 
 /*
@@ -135,14 +135,14 @@ LED_ARRAY(br6104k) {
  */
 #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 ),
+       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 ),
+       LED_STD(ADM5120_GPIO_PIN6, "power",     NULL),
+       LED_STD(ADM5120_GPIO_PIN5, "user",      NULL),
 };
 
 /*
@@ -150,38 +150,38 @@ LED_ARRAY(rb133) {
  */
 #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 ),
+       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 ),
+       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 ),
+       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
 
@@ -190,36 +190,36 @@ LED_ARRAY(p335) { /* FIXME: untested */
  */
 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 ),
+       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) {                              \
+#define MACH_DATA(m, n) {                              \
        .machtype       = (m),                          \
-       .count          = ARRAY_SIZE(n ## _leds),       \
-       .data           = n ## _leds                    \
+       .nr_leds        = ARRAY_SIZE(n ## _leds),       \
+       .leds           = n ## _leds                    \
 }
 
 static struct mach_data machines[] __initdata = {
@@ -250,7 +250,7 @@ static struct mach_data machines[] __initdata = {
 };
 
 static struct adm5120_leddev * __init
-create_leddev(struct gpio_led_platform_data *data)
+create_leddev(int id, struct gpio_led *led)
 {
        struct adm5120_leddev *p;
 
@@ -258,19 +258,16 @@ create_leddev(struct gpio_led_platform_data *data)
        if (p == NULL)
                return NULL;
 
-       memcpy(&p->pdata, data, sizeof(p->pdata));
+       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 void
-destroy_leddev(struct adm5120_leddev *led)
-{
-       if (led)
-               kfree(led);
-}
-
 static struct mach_data * __init
 adm5120_leds_findmach(unsigned long machtype)
 {
@@ -278,7 +275,7 @@ adm5120_leds_findmach(unsigned long machtype)
        int i;
 
        mach = NULL;
-       for (i=0; i<ARRAY_SIZE(machines); i++) {
+       for (i = 0; i < ARRAY_SIZE(machines); i++) {
                if (machines[i].machtype == machtype) {
                        mach = &machines[i];
                        break;
@@ -311,32 +308,30 @@ adm5120_leds_init(void)
                goto err;
        }
 
-       for (i=0; i < mach->count; i++) {
-               led_devs[i] = create_leddev(&mach->data[i]);
+       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;
                }
-               led_devs[i]->pdev.name = "gpio-led";
-               led_devs[i]->pdev.id = i;
        }
 
-       for (i=0; i < mach->count; i++) {
+       for (i = 0; i < mach->nr_leds; i++) {
                ret = platform_device_register(&led_devs[i]->pdev);
                if (ret)
                        goto err_unregister;
        }
 
-       led_count = mach->count;
+       led_count = mach->nr_leds;
        return 0;
 
 err_unregister:
-       for (i--; i>=0; i--)
+       for (i--; i >= 0; i--)
                platform_device_unregister(&led_devs[i]->pdev);
 
 err_destroy:
-       for (i=0; i<led_count; i++)
-               destroy_leddev(led_devs[i]);
+       for (i = 0; i < led_count; i++)
+               kfree(led_devs[i]);
 err:
        return ret;
 }
@@ -346,9 +341,9 @@ adm5120_leds_exit(void)
 {
        int i;
 
-       for (i=0; i < led_count; i++) {
+       for (i = 0; i < led_count; i++) {
                platform_device_unregister(&led_devs[i]->pdev);
-               destroy_leddev(led_devs[i]);
+               kfree(led_devs[i]);
        }
 }
 
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