1 files changed, 361 insertions, 0 deletions
diff --git a/target/linux/adm5120/files/drivers/leds/leds-adm5120.c b/target/linux/adm5120/files/drivers/leds/leds-adm5120.c
new file mode 100644
index 000000000..06189371d
--- /dev/null
+++ b/target/linux/adm5120/files/drivers/leds/leds-adm5120.c
@@ -0,0 +1,361 @@
+/*
+ *  $Id$
+ *
+ *  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/gpio_leds.h>
+
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+#include <asm/mach-adm5120/adm5120_info.h>
+
+#define NUM_LEDS_MAX	23
+
+#define ADM5120_GPIO_xxxx	0x100	/* an unknown pin */
+
+struct mach_data {
+	unsigned long machtype;
+	unsigned count;
+	struct gpio_led_platform_data *data;
+};
+
+struct adm5120_leddev {
+	struct platform_device pdev;
+	struct gpio_led_platform_data pdata;
+};
+
+static int led_count = 0;
+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)			\
+	}
+
+#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)
+
+/*
+ * 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 ),
+};
+
+/*
+ * 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),				\
+	.count		= ARRAY_SIZE(n ## _leds),	\
+	.data		= 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),
+	/* 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(struct gpio_led_platform_data *data)
+{
+	struct adm5120_leddev *p;
+
+	p = kzalloc(sizeof(*p), GFP_KERNEL);
+	if (p == NULL)
+		return NULL;
+
+	memcpy(&p->pdata, data, sizeof(p->pdata));
+	p->pdev.dev.platform_data = &p->pdata;
+
+	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)
+{
+	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) {
+		/* the board is not yet supported */
+		ret = -EINVAL;
+		goto err;
+	}
+
+	for (i=0; i < mach->count; i++) {
+		led_devs[i] = create_leddev(&mach->data[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++) {
+		ret = platform_device_register(&led_devs[i]->pdev);
+		if (ret)
+			goto err_unregister;
+	}
+
+	led_count = mach->count;
+	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++)
+		destroy_leddev(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);
+		destroy_leddev(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");
+