[adm5120] replace led driver, and resync kernel config

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7744 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 537 insertions, 52 deletions

diff --git a/target/linux/adm5120-2.6/files/drivers/char/adm5120_gpio.c b/target/linux/adm5120-2.6/files/drivers/char/adm5120_gpio.c
deleted file mode 100644
index 090c53a25..000000000
--- a/target/linux/adm5120-2.6/files/drivers/char/adm5120_gpio.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- *	ADM5120 LED (GPIO) driver
- *
- *	Copyright (C) Jeroen Vreeken (pe1rxq@amsat.org), 2005
- *	Copyright (C) OpenWrt.org, Florian Fainelli <florian@openwrt.org>, 2007
- *
- *	This program is free software; you can redistribute it and/or modify
- *	it under the terms of the GNU General Public License version 2 as
- *	published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/leds.h>
-
-#define GPIO_IO        ((unsigned long *)0xb20000b8)
-
-static void adm5120_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
-{
-	if (brightness)
-		*GPIO_IO=(*GPIO_IO & 0x00ffffff) | (brightness << 24);
-	else
-		*GPIO_IO=(*GPIO_IO & 0x00ffffff) | (0 << 24);
-}
-
-static struct led_classdev adm5120_gpio_led = {
-	.name 		= "adm5120:led",
-	.brightness_set = adm5120_led_set,
-};
-
-static int __init adm5120_led_init(void)
-{
-	int ret = led_classdev_register(NULL, &adm5120_gpio_led);
-
-	if (ret < 0)
-		printk(KERN_WARNING "adm5120: unable to register LED device\n");
-
-	return ret;
-}
-
-static void __exit adm5120_led_exit(void)
-{
-	led_classdev_unregister(&adm5120_gpio_led);
-}
-
-module_init(adm5120_led_init);
-module_exit(adm5120_led_exit);
-
-MODULE_DESCRIPTION("ADM5120 LED driver");
-MODULE_AUTHOR("Jeroen Vreeken, OpenWrt.org");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/adm5120-2.6/files/drivers/leds/leds-adm5120.c b/target/linux/adm5120-2.6/files/drivers/leds/leds-adm5120.c
new file mode 100644
index 000000000..ba0269d12
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/drivers/leds/leds-adm5120.c
@@ -0,0 +1,328 @@
+/*
+ *  $Id$
+ *
+ *  ADM5120 GPIO LED devices
+ *
+ *  Copyright (C) 2007 OpenWrt.org
+ *  Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ *
+ *  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)
+
+/*
+ * 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
+
+/*
+ * 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
+
+/*
+ * 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 ),
+};
+
+LED_ARRAY(unknown) {
+#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_UNKNOWN, unknown),
+	MACH_DATA(MACH_ADM5120_P334WT,	p334wt),
+	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),
+#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL)
+	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@freemail.hu>");
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_LICENSE("GPL");
+
diff --git a/target/linux/adm5120-2.6/files/drivers/leds/leds-gpio.c b/target/linux/adm5120-2.6/files/drivers/leds/leds-gpio.c
new file mode 100755
index 000000000..7ae143279
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/drivers/leds/leds-gpio.c
@@ -0,0 +1,209 @@
+/*
+ *  $Id$
+ *
+ *  Driver for LEDs connected to GPIO lines
+ *
+ *  Copyright (C) 2007 OpenWrt.org
+ *  Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ *
+ *  This file was derived from:
+ *    /drivers/led/leds-s3c24xx.c
+ *    (c) 2006 Simtec Electronics, Ben Dooks <ben@simtec.co.uk>
+ *
+ *  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/io.h>
+#include <asm/gpio.h>
+
+#define DRV_NAME "gpio-led"
+#define DRV_DESC "GPIO LEDs driver"
+
+struct gpio_led_device {
+	struct led_classdev cdev;
+	struct gpio_led_platform_data *pdata;
+};
+
+static inline struct gpio_led_device *pdev_to_led(struct platform_device *dev)
+{
+	return platform_get_drvdata(dev);
+}
+
+static inline struct gpio_led_device *class_to_led(struct led_classdev *led_cdev)
+{
+	return container_of(led_cdev, struct gpio_led_device, cdev);
+}
+
+static void gpio_led_set(struct led_classdev *led_cdev,
+			    enum led_brightness brightness)
+{
+	struct gpio_led_device *led;
+	struct gpio_led_platform_data *pdata;
+
+	led = class_to_led(led_cdev);
+	pdata = led->pdata;
+
+	switch (brightness) {
+	case LED_OFF:
+		gpio_direction_output(pdata->gpio, pdata->value_off);
+		break;
+	default:
+		gpio_direction_output(pdata->gpio, pdata->value_on);
+		break;
+	}
+}
+
+static int __devinit gpio_led_probe(struct platform_device *dev)
+{
+	struct gpio_led_platform_data *pdata;
+	struct gpio_led_device *led;
+	int ret;
+
+	pdata = dev->dev.platform_data;
+	if (pdata == NULL) {
+		dev_err(&dev->dev, "no platform data, id=%d\n", dev->id);
+		ret = -EINVAL;
+		goto err;
+	}
+
+	if (pdata->name == NULL) {
+		dev_err(&dev->dev, "no led name specified\n");
+		ret = -EINVAL;
+		goto err;
+	}
+
+	ret = gpio_request(pdata->gpio, pdata->name);
+	if (ret) {
+		dev_err(&dev->dev, "gpio_request failed\n");
+		goto err;
+	}
+
+	led = kzalloc(sizeof(*led), GFP_KERNEL);
+	if (led == NULL) {
+		dev_err(&dev->dev, "no memory for device");
+		ret = -ENOMEM;
+		goto err_free_gpio;
+	}
+
+	platform_set_drvdata(dev, led);
+	led->pdata = pdata;
+	led->cdev.name = pdata->name;
+	led->cdev.brightness_set = gpio_led_set;
+#ifdef CONFIG_LEDS_TRIGGERS
+	led->cdev.default_trigger = pdata->trigger;
+#endif
+
+	ret = led_classdev_register(&dev->dev, &led->cdev);
+	if (ret < 0) {
+		dev_err(&dev->dev, "led_classdev_register failed");
+		goto err_free_led;
+	}
+
+	return 0;
+
+err_free_led:
+	kfree(led);
+err_free_gpio:
+	gpio_free(pdata->gpio);
+err:
+	return ret;
+}
+
+static int __devexit gpio_led_remove(struct platform_device *dev)
+{
+	struct gpio_led_device *led;
+	struct gpio_led_platform_data *pdata;
+
+	pdata = dev->dev.platform_data;
+
+	led = pdev_to_led(dev);
+	led_classdev_unregister(&led->cdev);
+	kfree(led);
+
+	gpio_free(pdata->gpio);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int gpio_led_suspend(struct platform_device *dev,
+		pm_message_t state)
+{
+	struct gpio_led_device *led;
+
+	led = pdev_to_led(dev);
+	led_classdev_suspend(&led->cdev);
+
+	return 0;
+}
+
+static int gpio_led_resume(struct platform_device *dev)
+{
+	struct gpio_led_device *led;
+
+	led = pdev_to_led(dev);
+	led_classdev_resume(&led->cdev);
+
+	return 0;
+}
+#endif /* CONFIG_PM */
+
+static struct platform_driver gpio_led_driver = {
+	.probe		= gpio_led_probe,
+	.remove		= __devexit_p(gpio_led_remove),
+#ifdef CONFIG_PM
+	.suspend	= gpio_led_suspend,
+	.resume		= gpio_led_resume,
+#endif
+	.driver		= {
+		.name		= DRV_NAME,
+		.owner		= THIS_MODULE,
+	},
+};
+
+static int __init gpio_led_init(void)
+{
+	int ret;
+
+	ret = platform_driver_register(&gpio_led_driver);
+	if (ret)
+		printk(KERN_ALERT DRV_DESC " register failed\n");
+	else
+		printk(KERN_INFO DRV_DESC " registered\n");
+
+	return ret;
+}
+
+static void __exit gpio_led_exit(void)
+{
+	platform_driver_unregister(&gpio_led_driver);
+}
+
+module_init(gpio_led_init);
+module_exit(gpio_led_exit);
+
+MODULE_AUTHOR("Gabor Juhos <juhosg@freemail.hu>");
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_LICENSE("GPL");