diff options
| author | mirko <mirko@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-08-23 12:00:58 +0000 | 
|---|---|---|
| committer | mirko <mirko@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-08-23 12:00:58 +0000 | 
| commit | b05391b8aa7868c7d983e81e1b55e1d569f1661c (patch) | |
| tree | 697a131b12f62b6e69d538e2d781d56b657addc5 /target/linux/generic-2.6/files-2.6.31/drivers | |
| parent | e285740586bf891e79f5c96f0d48bf30fee6cf88 (diff) | |
also take over the files for 2.6.31
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17356 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/files-2.6.31/drivers')
7 files changed, 2519 insertions, 0 deletions
| diff --git a/target/linux/generic-2.6/files-2.6.31/drivers/char/gpio_dev.c b/target/linux/generic-2.6/files-2.6.31/drivers/char/gpio_dev.c new file mode 100644 index 000000000..8392fcf2d --- /dev/null +++ b/target/linux/generic-2.6/files-2.6.31/drivers/char/gpio_dev.c @@ -0,0 +1,201 @@ +/* + * character device wrapper for generic gpio layer + * + * 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., 59 Temple Place, Suite 330, Boston, MA02111-1307USA + * + * Feedback, Bugs...  blogic@openwrt.org + * + */ + +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <asm/uaccess.h> +#include <asm/io.h> +#include <asm/gpio.h> +#include <asm/atomic.h> +#include <linux/init.h> +#include <linux/genhd.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/gpio_dev.h> + +#define DRVNAME		"gpiodev" +#define DEVNAME		"gpio" + +static int dev_major; +static unsigned int gpio_access_mask; +static struct class *gpiodev_class; + +/* Counter is 1, if the device is not opened and zero (or less) if opened. */ +static atomic_t gpio_open_cnt = ATOMIC_INIT(1); + +static int +gpio_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg) +{ +	int retval = 0; + +	if (((1 << arg) & gpio_access_mask) != (1 << arg)) +	{ +		retval = -EINVAL; +		goto out; +	} + +	switch (cmd) +	{ +	case GPIO_GET: +		retval = gpio_get_value(arg); +		break; + +	case GPIO_SET: +		gpio_set_value(arg, 1); +		break; + +	case GPIO_CLEAR: +		gpio_set_value(arg, 0); +		break; + +	case GPIO_DIR_IN: +		gpio_direction_input(arg); +		break; + +	case GPIO_DIR_OUT: +		gpio_direction_output(arg, 0); +		break; + +	default: +		retval = -EINVAL; +		break; +	} + +out: +	return retval; +} + +static int +gpio_open(struct inode *inode, struct file *file) +{ +	int result = 0; +	unsigned int dev_minor = MINOR(inode->i_rdev); + +	if (dev_minor != 0) +	{ +		printk(KERN_ERR DRVNAME ": trying to access unknown minor device -> %d\n", dev_minor); +		result = -ENODEV; +		goto out; +	} + +	/* FIXME: We should really allow multiple applications to open the device +	 *        at the same time, as long as the apps access different IO pins. +	 *        The generic gpio-registration functions can be used for that. +	 *        Two new IOCTLs have to be introduced for that. Need to check userspace +	 *        compatibility first. --mb */ +	if (!atomic_dec_and_test(&gpio_open_cnt)) { +		atomic_inc(&gpio_open_cnt); +		printk(KERN_ERR DRVNAME ": Device with minor ID %d already in use\n", dev_minor); +		result = -EBUSY; +		goto out; +	} + +out: +	return result; +} + +static int +gpio_close(struct inode * inode, struct file * file) +{ +	smp_mb__before_atomic_inc(); +	atomic_inc(&gpio_open_cnt); + +	return 0; +} + +struct file_operations gpio_fops = { +	ioctl:		gpio_ioctl, +	open:		gpio_open, +	release:	gpio_close +}; + +static int +gpio_probe(struct platform_device *dev) +{ +	int result = 0; + +	dev_major = register_chrdev(0, DEVNAME, &gpio_fops); +	if (!dev_major) +	{ +		printk(KERN_ERR DRVNAME ": Error whilst opening %s \n", DEVNAME); +		result = -ENODEV; +		goto out; +	} + +	gpiodev_class = class_create(THIS_MODULE, DRVNAME); +	device_create(gpiodev_class, NULL, MKDEV(dev_major, 0), dev, DEVNAME); + +	printk(KERN_INFO DRVNAME ": gpio device registered with major %d\n", dev_major); + +	if (dev->num_resources != 1) +	{ +		printk(KERN_ERR DRVNAME ": device may only have 1 resource\n"); +		result = -ENODEV; +		goto out; +	} + +	gpio_access_mask = dev->resource[0].start; + +	printk(KERN_INFO DRVNAME ": gpio platform device registered with access mask %08X\n", gpio_access_mask); +out: +	return result; +} + +static int +gpio_remove(struct platform_device *dev) +{ +	unregister_chrdev(dev_major, DEVNAME); +	return 0; +} + +static struct +platform_driver gpio_driver = { +	.probe = gpio_probe, +	.remove = gpio_remove, +	.driver = { +		.name = "GPIODEV", +		.owner = THIS_MODULE, +	}, +}; + +static int __init +gpio_mod_init(void) +{ +	int ret = platform_driver_register(&gpio_driver); +	if (ret) +		printk(KERN_INFO DRVNAME ": Error registering platfom driver!"); + +	return ret; +} + +static void __exit +gpio_mod_exit(void) +{ +	platform_driver_unregister(&gpio_driver); +} + +module_init (gpio_mod_init); +module_exit (gpio_mod_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("John Crispin / OpenWrt"); +MODULE_DESCRIPTION("Character device for for generic gpio api"); diff --git a/target/linux/generic-2.6/files-2.6.31/drivers/input/misc/gpio_buttons.c b/target/linux/generic-2.6/files-2.6.31/drivers/input/misc/gpio_buttons.c new file mode 100644 index 000000000..83a817834 --- /dev/null +++ b/target/linux/generic-2.6/files-2.6.31/drivers/input/misc/gpio_buttons.c @@ -0,0 +1,209 @@ +/* + *  Driver for buttons on GPIO lines not capable of generating interrupts + * + *  Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org> + * + *  This file was based on: /drivers/input/misc/cobalt_btns.c + *	Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * + *  also was based on: /drivers/input/keyboard/gpio_keys.c + *	Copyright 2005 Phil Blundell + * + *  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/module.h> +#include <linux/init.h> + +#include <linux/input.h> +#include <linux/input-polldev.h> +#include <linux/ioport.h> +#include <linux/platform_device.h> + +#include <linux/gpio_buttons.h> + +#include <asm/gpio.h> + +#define DRV_NAME	"gpio-buttons" +#define DRV_VERSION	"0.1.1" +#define PFX		DRV_NAME ": " + +struct gpio_buttons_dev { +	struct input_polled_dev *poll_dev; +	struct gpio_buttons_platform_data *pdata; +}; + +static void gpio_buttons_poll(struct input_polled_dev *dev) +{ +	struct gpio_buttons_dev *bdev = dev->private; +	struct gpio_buttons_platform_data *pdata = bdev->pdata; +	struct input_dev *input = dev->input; +	int i; + +	for (i = 0; i < bdev->pdata->nbuttons; i++) { +		struct gpio_button *button = &pdata->buttons[i]; +		unsigned int type = button->type ?: EV_KEY; +		int state; + +		state = gpio_get_value(button->gpio) ? 1 : 0; +		state ^= button->active_low; + +		if (state) { +			button->count++; +		} else { +			if (button->count >= button->threshold) { +				input_event(input, type, button->code, 1); +				input_sync(input); +			} +			button->count = 0; +		} + +		if (button->count == button->threshold) { +			input_event(input, type, button->code, 0); +			input_sync(input); +		} +	} +} + +static int __devinit gpio_buttons_probe(struct platform_device *pdev) +{ +	struct gpio_buttons_platform_data *pdata = pdev->dev.platform_data; +	struct gpio_buttons_dev *bdev; +	struct input_polled_dev *poll_dev; +	struct input_dev *input; +	int error, i; + + +	if (!pdata) +		return -ENXIO; + +	bdev = kzalloc(sizeof(*bdev), GFP_KERNEL); +	if (!bdev) { +		printk(KERN_ERR DRV_NAME "no memory for device\n"); +		return -ENOMEM; +	} + +	poll_dev = input_allocate_polled_device(); +	if (!poll_dev) { +		printk(KERN_ERR DRV_NAME "no memory for polled device\n"); +		error = -ENOMEM; +		goto err_free_bdev; +	} + +	poll_dev->private = bdev; +	poll_dev->poll = gpio_buttons_poll; +	poll_dev->poll_interval = pdata->poll_interval; + +	input = poll_dev->input; + +	input->evbit[0] = BIT(EV_KEY); +	input->name = pdev->name; +	input->phys = "gpio-buttons/input0"; +	input->dev.parent = &pdev->dev; + +	input->id.bustype = BUS_HOST; +	input->id.vendor = 0x0001; +	input->id.product = 0x0001; +	input->id.version = 0x0100; + +	for (i = 0; i < pdata->nbuttons; i++) { +		struct gpio_button *button = &pdata->buttons[i]; +		unsigned int gpio = button->gpio; +		unsigned int type = button->type ?: EV_KEY; + +		error = gpio_request(gpio, button->desc ? +				button->desc : DRV_NAME); +		if (error) { +			printk(KERN_ERR PFX "unable to claim gpio %u, " +				"error %d\n", gpio, error); +			goto err_free_gpio; +		} + +		error = gpio_direction_input(gpio); +		if (error) { +			printk(KERN_ERR PFX "unable to set direction on " +				"gpio %u, error %d\n", gpio, error); +			goto err_free_gpio; +		} + +		input_set_capability(input, type, button->code); +		button->count = 0; +	} + +	bdev->poll_dev = poll_dev; +	bdev->pdata = pdata; +	platform_set_drvdata(pdev, bdev); + +	error = input_register_polled_device(poll_dev); +	if (error) { +		printk(KERN_ERR PFX "unable to register polled device, " +			"error %d\n", error); +		goto err_free_gpio; +	} + +	return 0; + +err_free_gpio: +	for (i = i - 1; i >= 0; i--) +		gpio_free(pdata->buttons[i].gpio); + +	input_free_polled_device(poll_dev); + +err_free_bdev: +	kfree(bdev); + +	platform_set_drvdata(pdev, NULL); +	return error; +} + +static int __devexit gpio_buttons_remove(struct platform_device *pdev) +{ +	struct gpio_buttons_dev *bdev = platform_get_drvdata(pdev); +	struct gpio_buttons_platform_data *pdata = bdev->pdata; +	int i; + +	input_unregister_polled_device(bdev->poll_dev); + +	for (i = 0; i < pdata->nbuttons; i++) +		gpio_free(pdata->buttons[i].gpio); + +	input_free_polled_device(bdev->poll_dev); + +	kfree(bdev); +	platform_set_drvdata(pdev, NULL); + +	return 0; +} + +static struct platform_driver gpio_buttons_driver = { +	.probe	= gpio_buttons_probe, +	.remove	= __devexit_p(gpio_buttons_remove), +	.driver	= { +		.name	= DRV_NAME, +		.owner	= THIS_MODULE, +	}, +}; + +static int __init gpio_buttons_init(void) +{ +	printk(KERN_INFO DRV_NAME " driver version " DRV_VERSION "\n"); +	return platform_driver_register(&gpio_buttons_driver); +} + +static void __exit gpio_buttons_exit(void) +{ +	platform_driver_unregister(&gpio_buttons_driver); +} + +module_init(gpio_buttons_init); +module_exit(gpio_buttons_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); +MODULE_VERSION(DRV_VERSION); +MODULE_DESCRIPTION("Polled buttons driver for CPU GPIOs"); + diff --git a/target/linux/generic-2.6/files-2.6.31/drivers/leds/leds-alix.c b/target/linux/generic-2.6/files-2.6.31/drivers/leds/leds-alix.c new file mode 100644 index 000000000..103ca7dfa --- /dev/null +++ b/target/linux/generic-2.6/files-2.6.31/drivers/leds/leds-alix.c @@ -0,0 +1,172 @@ +/* + * LEDs driver for PCEngines ALIX 2/3 series + * + * Copyright (C) 2007 Petr Liebman + * + * Based on leds-wrap.c + * + * 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> +#include <linux/err.h> +#include <asm/io.h> + +#define DRVNAME "alix-led" + +#define ALIX_LED1_PORT		(0x6100) +#define ALIX_LED1_ON		(1<<22) +#define ALIX_LED1_OFF		(1<<6) + +#define ALIX_LED2_PORT		(0x6180) +#define ALIX_LED2_ON		(1<<25) +#define ALIX_LED2_OFF		(1<<9) + +#define ALIX_LED3_PORT		(0x6180) +#define ALIX_LED3_ON		(1<<27) +#define ALIX_LED3_OFF		(1<<11) + + +static struct platform_device *pdev; + +static void alix_led_set_1(struct led_classdev *led_cdev, +		enum led_brightness value) +{ +	if (value) +		outl(ALIX_LED1_ON, ALIX_LED1_PORT); +	else +		outl(ALIX_LED1_OFF, ALIX_LED1_PORT); +} + +static void alix_led_set_2(struct led_classdev *led_cdev, +		enum led_brightness value) +{ +	if (value) +		outl(ALIX_LED2_ON, ALIX_LED2_PORT); +	else +		outl(ALIX_LED2_OFF, ALIX_LED2_PORT); +} + +static void alix_led_set_3(struct led_classdev *led_cdev, +		enum led_brightness value) +{ +	if (value) +		outl(ALIX_LED3_ON, ALIX_LED3_PORT); +	else +		outl(ALIX_LED3_OFF, ALIX_LED3_PORT); +} + +static struct led_classdev alix_led_1 = { +	.name		= "alix:1", +	.brightness_set	= alix_led_set_1, +}; + +static struct led_classdev alix_led_2 = { +	.name		= "alix:2", +	.brightness_set	= alix_led_set_2, +}; + +static struct led_classdev alix_led_3 = { +	.name		= "alix:3", +	.brightness_set	= alix_led_set_3, +}; + + +#ifdef CONFIG_PM +static int alix_led_suspend(struct platform_device *dev, +		pm_message_t state) +{ +	led_classdev_suspend(&alix_led_1); +	led_classdev_suspend(&alix_led_2); +	led_classdev_suspend(&alix_led_3); +	return 0; +} + +static int alix_led_resume(struct platform_device *dev) +{ +	led_classdev_resume(&alix_led_1); +	led_classdev_resume(&alix_led_2); +	led_classdev_resume(&alix_led_3); +	return 0; +} +#else +#define alix_led_suspend NULL +#define alix_led_resume NULL +#endif + +static int alix_led_probe(struct platform_device *pdev) +{ +	int ret; + +	ret = led_classdev_register(&pdev->dev, &alix_led_1); +	if (ret >= 0) +	{ +		ret = led_classdev_register(&pdev->dev, &alix_led_2); +		if (ret >= 0) +		{ +			ret = led_classdev_register(&pdev->dev, &alix_led_3); +			if (ret < 0) +				led_classdev_unregister(&alix_led_2); +		} +		if (ret < 0) +			led_classdev_unregister(&alix_led_1); +	} +	return ret; +} + +static int alix_led_remove(struct platform_device *pdev) +{ +	led_classdev_unregister(&alix_led_1); +	led_classdev_unregister(&alix_led_2); +	led_classdev_unregister(&alix_led_3); +	return 0; +} + +static struct platform_driver alix_led_driver = { +	.probe		= alix_led_probe, +	.remove		= alix_led_remove, +	.suspend	= alix_led_suspend, +	.resume		= alix_led_resume, +	.driver		= { +		.name		= DRVNAME, +		.owner		= THIS_MODULE, +	}, +}; + +static int __init alix_led_init(void) +{ +	int ret; + +	ret = platform_driver_register(&alix_led_driver); +	if (ret < 0) +		goto out; + +	pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0); +	if (IS_ERR(pdev)) { +		ret = PTR_ERR(pdev); +		platform_driver_unregister(&alix_led_driver); +		goto out; +	} + +out: +	return ret; +} + +static void __exit alix_led_exit(void) +{ +	platform_device_unregister(pdev); +	platform_driver_unregister(&alix_led_driver); +} + +module_init(alix_led_init); +module_exit(alix_led_exit); + +MODULE_AUTHOR("Petr Liebman"); +MODULE_DESCRIPTION("PCEngines ALIX LED driver"); +MODULE_LICENSE("GPL"); + diff --git a/target/linux/generic-2.6/files-2.6.31/drivers/leds/ledtrig-morse.c b/target/linux/generic-2.6/files-2.6.31/drivers/leds/ledtrig-morse.c new file mode 100644 index 000000000..cb47480a3 --- /dev/null +++ b/target/linux/generic-2.6/files-2.6.31/drivers/leds/ledtrig-morse.c @@ -0,0 +1,365 @@ +/* + *  LED Morse Trigger + * + *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> + * + *  This file was based on: drivers/led/ledtrig-timer.c + *	Copyright 2005-2006 Openedhand Ltd. + *	Author: Richard Purdie <rpurdie@openedhand.com> + * + *  also based on the patch '[PATCH] 2.5.59 morse code panics' posted + *  in the LKML by Tomas Szepe at Thu, 30 Jan 2003 + *	Copyright (C) 2002 Andrew Rodland <arodland@noln.com> + *	Copyright (C) 2003 Tomas Szepe <szepe@pinerecords.com> + * + *  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/version.h> +#include <linux/module.h> +#include <linux/jiffies.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/device.h> +#include <linux/sysdev.h> +#include <linux/timer.h> +#include <linux/ctype.h> +#include <linux/leds.h> + +#include "leds.h" + +#define MORSE_DELAY_BASE	(HZ/2) + +#define MORSE_STATE_BLINK_START	0 +#define MORSE_STATE_BLINK_STOP	1 + +#define MORSE_DIT_LEN	1 +#define MORSE_DAH_LEN	3 +#define MORSE_SPACE_LEN	7 + +struct morse_trig_data { +	unsigned long delay; +	char *msg; + +	unsigned char morse; +	unsigned char state; +	char *msgpos; +	struct timer_list timer; +}; + +const unsigned char morsetable[] = { +	0122, 0, 0310, 0, 0, 0163,				/* "#$%&' */ +	055, 0155, 0, 0, 0163, 0141, 0152, 0051, 		/* ()*+,-./ */ +	077, 076, 074, 070, 060, 040, 041, 043, 047, 057,	/* 0-9 */ +	0107, 0125, 0, 0061, 0, 0114, 0, 			/* :;<=>?@ */ +	006, 021, 025, 011, 002, 024, 013, 020, 004,		/* A-I */ +	036, 015, 022, 007, 005, 017, 026, 033, 012,		/* J-R */ +	010, 003, 014, 030, 016, 031, 035, 023,			/* S-Z */ +	0, 0, 0, 0, 0154					/* [\]^_ */ +}; + +static inline unsigned char tomorse(char c) { +	if (c >= 'a' && c <= 'z') +		c = c - 'a' + 'A'; +	if (c >= '"' && c <= '_') { +		return morsetable[c - '"']; +	} else +		return 0; +} + +static inline unsigned long dit_len(struct morse_trig_data *morse_data) +{ +	return MORSE_DIT_LEN*morse_data->delay; +} + +static inline unsigned long dah_len(struct morse_trig_data *morse_data) +{ +	return MORSE_DAH_LEN*morse_data->delay; +} + +static inline unsigned long space_len(struct morse_trig_data *morse_data) +{ +	return MORSE_SPACE_LEN*morse_data->delay; +} + +static void morse_timer_function(unsigned long data) +{ +	struct led_classdev *led_cdev = (struct led_classdev *)data; +	struct morse_trig_data *morse_data = led_cdev->trigger_data; +	unsigned long brightness = LED_OFF; +	unsigned long delay = 0; + +	if (!morse_data->msg) +		goto set_led; + +	switch (morse_data->state) { +	case MORSE_STATE_BLINK_START: +		/* Starting a new blink.  We have a valid code in morse. */ +		delay = (morse_data->morse & 001) ? dah_len(morse_data): +			dit_len(morse_data); +		brightness = LED_FULL; +		morse_data->state = MORSE_STATE_BLINK_STOP; +		morse_data->morse >>= 1; +		break; +	case MORSE_STATE_BLINK_STOP: +		/* Coming off of a blink. */ +		morse_data->state = MORSE_STATE_BLINK_START; + +		if (morse_data->morse > 1) { +			/* Not done yet, just a one-dit pause. */ +			delay = dit_len(morse_data); +			break; +		} + +		/* Get a new char, figure out how much space. */ +		/* First time through */ +		if (!morse_data->msgpos) +			morse_data->msgpos = (char *)morse_data->msg; + +		if (!*morse_data->msgpos) { +			/* Repeating */ +			morse_data->msgpos = (char *)morse_data->msg; +			delay = space_len(morse_data); +		} else { +			/* Inter-letter space */ +			delay = dah_len(morse_data); +		} + +		if (!(morse_data->morse = tomorse(*morse_data->msgpos))) { +			delay = space_len(morse_data); +			/* And get us back here */ +			morse_data->state = MORSE_STATE_BLINK_STOP; +		} +		morse_data->msgpos++; +		break; +	} + +	mod_timer(&morse_data->timer, jiffies + msecs_to_jiffies(delay)); + +set_led: +	led_set_brightness(led_cdev, brightness); +} + +static ssize_t _morse_delay_show(struct led_classdev *led_cdev, char *buf) +{ +	struct morse_trig_data *morse_data = led_cdev->trigger_data; + +	sprintf(buf, "%lu\n", morse_data->delay); + +	return strlen(buf) + 1; +} + +static ssize_t _morse_delay_store(struct led_classdev *led_cdev, +		const char *buf, size_t size) +{ +	struct morse_trig_data *morse_data = led_cdev->trigger_data; +	char *after; +	unsigned long state = simple_strtoul(buf, &after, 10); +	size_t count = after - buf; +	int ret = -EINVAL; + +	if (*after && isspace(*after)) +		count++; + +	if (count == size) { +		morse_data->delay = state; +		mod_timer(&morse_data->timer, jiffies + 1); +		ret = count; +	} + +	return ret; +} + +static ssize_t _morse_msg_show(struct led_classdev *led_cdev, char *buf) +{ +	struct morse_trig_data *morse_data = led_cdev->trigger_data; + +	if (!morse_data->msg) +		sprintf(buf, "<none>\n"); +	else +		sprintf(buf, "%s\n", morse_data->msg); + +	return strlen(buf) + 1; +} + +static ssize_t _morse_msg_store(struct led_classdev *led_cdev, +		const char *buf, size_t size) +{ +	struct morse_trig_data *morse_data = led_cdev->trigger_data; +	char *m; + +	m = kmalloc(size, GFP_KERNEL); +	if (!m) +		return -ENOMEM; + +	memcpy(m,buf,size); +	m[size]='\0'; + +	if (morse_data->msg) +		kfree(morse_data->msg); + +	morse_data->msg = m; +	morse_data->msgpos = NULL; +	morse_data->state = MORSE_STATE_BLINK_STOP; + +	mod_timer(&morse_data->timer, jiffies + 1); + +	return size; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) +static ssize_t morse_delay_show(struct device *dev, +		struct device_attribute *attr, char *buf) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); + +	return _morse_delay_show(led_cdev, buf); +} + +static ssize_t morse_delay_store(struct device *dev, +		struct device_attribute *attr, const char *buf, size_t size) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); + +	return _morse_delay_store(led_cdev, buf, size); +} + +static ssize_t morse_msg_show(struct device *dev, +		struct device_attribute *attr, char *buf) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); + +	return _morse_msg_show(led_cdev, buf); +} + +static ssize_t morse_msg_store(struct device *dev, +		struct device_attribute *attr, const char *buf, size_t size) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); + +	return _morse_msg_store(led_cdev, buf, size); +} + +static DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store); +static DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store); + +#define led_device_create_file(leddev, attr) \ +	device_create_file(leddev->dev, &dev_attr_ ## attr) +#define led_device_remove_file(leddev, attr) \ +	device_remove_file(leddev->dev, &dev_attr_ ## attr) + +#else +static ssize_t morse_delay_show(struct class_device *dev, char *buf) +{ +	struct led_classdev *led_cdev = class_get_devdata(dev); + +	return _morse_delay_show(led_cdev, buf); +} + +static ssize_t morse_delay_store(struct class_device *dev, const char *buf, +		size_t size) +{ +	struct led_classdev *led_cdev = class_get_devdata(dev); + +	return _morse_delay_store(led_cdev, buf, size); +} + +static ssize_t morse_msg_show(struct class_device *dev, char *buf) +{ +	struct led_classdev *led_cdev = class_get_devdata(dev); + +	return _morse_msg_show(led_cdev, buf); +} + +static ssize_t morse_msg_store(struct class_device *dev, const char *buf, +				size_t size) +{ +	struct led_classdev *led_cdev = class_get_devdata(dev); + +	return _morse_msg_store(led_cdev, buf, size); +} + +static CLASS_DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store); +static CLASS_DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store); + +#define led_device_create_file(leddev, attr) \ +	class_device_create_file(leddev->class_dev, &class_device_attr_ ## attr) +#define led_device_remove_file(leddev, attr) \ +	class_device_remove_file(leddev->class_dev, &class_device_attr_ ## attr) + +#endif + +static void morse_trig_activate(struct led_classdev *led_cdev) +{ +	struct morse_trig_data *morse_data; +	int rc; + +	morse_data = kzalloc(sizeof(*morse_data), GFP_KERNEL); +	if (!morse_data) +		return; + +	morse_data->delay = MORSE_DELAY_BASE; +	init_timer(&morse_data->timer); +	morse_data->timer.function = morse_timer_function; +	morse_data->timer.data = (unsigned long)led_cdev; + +	rc = led_device_create_file(led_cdev, delay); +	if (rc) goto err; + +	rc = led_device_create_file(led_cdev, message); +	if (rc) goto err_delay; + +	led_cdev->trigger_data = morse_data; + +	return; + +err_delay: +	led_device_remove_file(led_cdev, delay); +err: +	kfree(morse_data); +} + +static void morse_trig_deactivate(struct led_classdev *led_cdev) +{ +	struct morse_trig_data *morse_data = led_cdev->trigger_data; + +	if (!morse_data) +		return; + +	led_device_remove_file(led_cdev, message); +	led_device_remove_file(led_cdev, delay); + +	del_timer_sync(&morse_data->timer); +	if (morse_data->msg) +		kfree(morse_data->msg); + +	kfree(morse_data); +} + +static struct led_trigger morse_led_trigger = { +	.name		= "morse", +	.activate	= morse_trig_activate, +	.deactivate	= morse_trig_deactivate, +}; + +static int __init morse_trig_init(void) +{ +	return led_trigger_register(&morse_led_trigger); +} + +static void __exit morse_trig_exit(void) +{ +	led_trigger_unregister(&morse_led_trigger); +} + +module_init(morse_trig_init); +module_exit(morse_trig_exit); + +MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); +MODULE_DESCRIPTION("Morse LED trigger"); +MODULE_LICENSE("GPL"); diff --git a/target/linux/generic-2.6/files-2.6.31/drivers/leds/ledtrig-netdev.c b/target/linux/generic-2.6/files-2.6.31/drivers/leds/ledtrig-netdev.c new file mode 100644 index 000000000..4193e4eda --- /dev/null +++ b/target/linux/generic-2.6/files-2.6.31/drivers/leds/ledtrig-netdev.c @@ -0,0 +1,454 @@ +/* + * LED Kernel Netdev Trigger + * + * Toggles the LED to reflect the link and traffic state of a named net device + * + * Copyright 2007 Oliver Jowett <oliver@opencloud.com> + * + * Derived from ledtrig-timer.c which is: + *  Copyright 2005-2006 Openedhand Ltd. + *  Author: Richard Purdie <rpurdie@openedhand.com> + * + * 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/module.h> +#include <linux/jiffies.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/device.h> +#include <linux/sysdev.h> +#include <linux/netdevice.h> +#include <linux/timer.h> +#include <linux/ctype.h> +#include <linux/leds.h> +#include <linux/version.h> + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26) +#include <net/net_namespace.h> +#endif + +#include "leds.h" + +/* + * Configurable sysfs attributes: + * + * device_name - network device name to monitor + * + * interval - duration of LED blink, in milliseconds + * + * mode - either "none" (LED is off) or a space separated list of one or more of: + *   link: LED's normal state reflects whether the link is up (has carrier) or not + *   tx:   LED blinks on transmitted data + *   rx:   LED blinks on receive data + *  + * Some suggestions: + * + *  Simple link status LED: + *  $ echo netdev >someled/trigger + *  $ echo eth0 >someled/device_name + *  $ echo link >someled/mode + * + *  Ethernet-style link/activity LED: + *  $ echo netdev >someled/trigger + *  $ echo eth0 >someled/device_name + *  $ echo "link tx rx" >someled/mode + * + *  Modem-style tx/rx LEDs: + *  $ echo netdev >led1/trigger + *  $ echo ppp0 >led1/device_name + *  $ echo tx >led1/mode + *  $ echo netdev >led2/trigger + *  $ echo ppp0 >led2/device_name + *  $ echo rx >led2/mode + * + */ + +#define MODE_LINK 1 +#define MODE_TX   2 +#define MODE_RX   4 + +struct led_netdev_data { +	rwlock_t lock; + +	struct timer_list timer; +	struct notifier_block notifier; + +	struct led_classdev *led_cdev; +	struct net_device *net_dev; + +	char device_name[IFNAMSIZ]; +	unsigned interval; +	unsigned mode; +	unsigned link_up; +	unsigned last_activity; +}; + +static void set_baseline_state(struct led_netdev_data *trigger_data) +{ +	if ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up) +		led_set_brightness(trigger_data->led_cdev, LED_FULL); +	else +		led_set_brightness(trigger_data->led_cdev, LED_OFF); + +	if ((trigger_data->mode & (MODE_TX | MODE_RX)) != 0 && trigger_data->link_up) +		mod_timer(&trigger_data->timer, jiffies + trigger_data->interval); +	else +		del_timer(&trigger_data->timer); +} + +static ssize_t led_device_name_show(struct device *dev, +				    struct device_attribute *attr, char *buf) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); +	struct led_netdev_data *trigger_data = led_cdev->trigger_data; + +	read_lock(&trigger_data->lock); +	sprintf(buf, "%s\n", trigger_data->device_name); +	read_unlock(&trigger_data->lock); + +	return strlen(buf) + 1; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21) +extern struct net init_net; +#endif + +static ssize_t led_device_name_store(struct device *dev, +				     struct device_attribute *attr, const char *buf, size_t size) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); +	struct led_netdev_data *trigger_data = led_cdev->trigger_data; + +	if (size < 0 || size >= IFNAMSIZ) +		return -EINVAL; + +	write_lock(&trigger_data->lock); + +	strcpy(trigger_data->device_name, buf); +	if (size > 0 && trigger_data->device_name[size-1] == '\n') +		trigger_data->device_name[size-1] = 0; + +	if (trigger_data->device_name[0] != 0) { +		/* check for existing device to update from */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26) +		trigger_data->net_dev = dev_get_by_name(&init_net, trigger_data->device_name); +#else +		trigger_data->net_dev = dev_get_by_name(trigger_data->device_name); +#endif +		if (trigger_data->net_dev != NULL) +			trigger_data->link_up = (dev_get_flags(trigger_data->net_dev) & IFF_LOWER_UP) != 0; +		set_baseline_state(trigger_data); /* updates LEDs, may start timers */ +	} + +	write_unlock(&trigger_data->lock); +	return size; +} + +static DEVICE_ATTR(device_name, 0644, led_device_name_show, led_device_name_store); + +static ssize_t led_mode_show(struct device *dev, +			     struct device_attribute *attr, char *buf) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); +	struct led_netdev_data *trigger_data = led_cdev->trigger_data; + +	read_lock(&trigger_data->lock); + +	if (trigger_data->mode == 0) { +		strcpy(buf, "none\n"); +	} else { +		if (trigger_data->mode & MODE_LINK) +			strcat(buf, "link "); +		if (trigger_data->mode & MODE_TX) +			strcat(buf, "tx "); +		if (trigger_data->mode & MODE_RX) +			strcat(buf, "rx "); +		strcat(buf, "\n"); +	} + +	read_unlock(&trigger_data->lock); + +	return strlen(buf)+1; +} + +static ssize_t led_mode_store(struct device *dev, +			      struct device_attribute *attr, const char *buf, size_t size) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); +	struct led_netdev_data *trigger_data = led_cdev->trigger_data; +	char copybuf[1024]; +	int new_mode = -1; +	char *p, *token; + +	/* take a copy since we don't want to trash the inbound buffer when using strsep */ +	strncpy(copybuf, buf, sizeof(copybuf)); +	copybuf[1023] = 0; +	p = copybuf; + +	while ((token = strsep(&p, " \t\n")) != NULL) { +		if (!*token) +			continue; + +		if (new_mode == -1) +			new_mode = 0; + +		if (!strcmp(token, "none")) +			new_mode = 0; +		else if (!strcmp(token, "tx")) +			new_mode |= MODE_TX; +		else if (!strcmp(token, "rx")) +			new_mode |= MODE_RX; +		else if (!strcmp(token, "link")) +			new_mode |= MODE_LINK; +		else +			return -EINVAL; +	} + +	if (new_mode == -1) +		return -EINVAL; + +	write_lock(&trigger_data->lock); +	trigger_data->mode = new_mode; +	set_baseline_state(trigger_data); +	write_unlock(&trigger_data->lock); + +	return size; +} + +static DEVICE_ATTR(mode, 0644, led_mode_show, led_mode_store); + +static ssize_t led_interval_show(struct device *dev, +				 struct device_attribute *attr, char *buf) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); +	struct led_netdev_data *trigger_data = led_cdev->trigger_data; + +	read_lock(&trigger_data->lock); +	sprintf(buf, "%u\n", jiffies_to_msecs(trigger_data->interval)); +	read_unlock(&trigger_data->lock); + +	return strlen(buf) + 1; +} + +static ssize_t led_interval_store(struct device *dev, +				  struct device_attribute *attr, const char *buf, size_t size) +{ +	struct led_classdev *led_cdev = dev_get_drvdata(dev); +	struct led_netdev_data *trigger_data = led_cdev->trigger_data; +	int ret = -EINVAL; +	char *after; +	unsigned long value = simple_strtoul(buf, &after, 10); +	size_t count = after - buf; + +	if (*after && isspace(*after)) +		count++; + +	/* impose some basic bounds on the timer interval */ +	if (count == size && value >= 5 && value <= 10000) { +		write_lock(&trigger_data->lock); +		trigger_data->interval = msecs_to_jiffies(value); +		set_baseline_state(trigger_data); // resets timer +		write_unlock(&trigger_data->lock); +		ret = count; +	} + +	return ret; +} + +static DEVICE_ATTR(interval, 0644, led_interval_show, led_interval_store); + +static int netdev_trig_notify(struct notifier_block *nb, +			      unsigned long evt, +			      void *dv) +{ +	struct net_device *dev = dv; +	struct led_netdev_data *trigger_data = container_of(nb, struct led_netdev_data, notifier); + +	if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER) +		return NOTIFY_DONE; + +	write_lock(&trigger_data->lock); + +	if (strcmp(dev->name, trigger_data->device_name)) +		goto done; + +	if (evt == NETDEV_REGISTER) { +		if (trigger_data->net_dev != NULL) +			dev_put(trigger_data->net_dev); +		dev_hold(dev); +		trigger_data->net_dev = dev; +		trigger_data->link_up = 0; +		goto done; +	} + +	if (evt == NETDEV_UNREGISTER && trigger_data->net_dev != NULL) { +		dev_put(trigger_data->net_dev); +		trigger_data->net_dev = NULL; +		goto done; +	} + +	/* UP / DOWN / CHANGE */ + +	trigger_data->link_up = (evt != NETDEV_DOWN && netif_carrier_ok(dev)); +	set_baseline_state(trigger_data); + +done: +	write_unlock(&trigger_data->lock); +	return NOTIFY_DONE; +} + +/* here's the real work! */ +static void netdev_trig_timer(unsigned long arg) +{ +	struct led_netdev_data *trigger_data = (struct led_netdev_data *)arg; +	struct net_device_stats *dev_stats; +	unsigned new_activity; + +	write_lock(&trigger_data->lock); + +	if (!trigger_data->link_up || !trigger_data->net_dev || (trigger_data->mode & (MODE_TX | MODE_RX)) == 0) { +		/* we don't need to do timer work, just reflect link state. */ +		led_set_brightness(trigger_data->led_cdev, ((trigger_data->mode & MODE_LINK) != 0 && trigger_data->link_up) ? LED_FULL : LED_OFF); +		goto no_restart; +	} +#ifdef CONFIG_COMPAT_NET_DEV_OPS +	dev_stats = trigger_data->net_dev->get_stats(trigger_data->net_dev); +#else +	dev_stats = trigger_data->net_dev->netdev_ops->ndo_get_stats(trigger_data->net_dev); +#endif +	new_activity = +		((trigger_data->mode & MODE_TX) ? dev_stats->tx_packets : 0) + +		((trigger_data->mode & MODE_RX) ? dev_stats->rx_packets : 0); + +	if (trigger_data->mode & MODE_LINK) { +		/* base state is ON (link present) */ +		/* if there's no link, we don't get this far and the LED is off */ + +		/* OFF -> ON always */ +		/* ON -> OFF on activity */ +		if (trigger_data->led_cdev->brightness == LED_OFF) { +			led_set_brightness(trigger_data->led_cdev, LED_FULL); +		} else if (trigger_data->last_activity != new_activity) { +			led_set_brightness(trigger_data->led_cdev, LED_OFF); +		} +	} else { +		/* base state is OFF */ +		/* ON -> OFF always */ +		/* OFF -> ON on activity */ +		if (trigger_data->led_cdev->brightness == LED_FULL) { +			led_set_brightness(trigger_data->led_cdev, LED_OFF); +		} else if (trigger_data->last_activity != new_activity) { +			led_set_brightness(trigger_data->led_cdev, LED_FULL); +		} +	} + +	trigger_data->last_activity = new_activity; +	mod_timer(&trigger_data->timer, jiffies + trigger_data->interval); + +no_restart: +	write_unlock(&trigger_data->lock); +} + +static void netdev_trig_activate(struct led_classdev *led_cdev) +{ +	struct led_netdev_data *trigger_data; +	int rc; + +	trigger_data = kzalloc(sizeof(struct led_netdev_data), GFP_KERNEL); +	if (!trigger_data) +		return; + +	rwlock_init(&trigger_data->lock); + +	trigger_data->notifier.notifier_call = netdev_trig_notify; +	trigger_data->notifier.priority = 10; + +	setup_timer(&trigger_data->timer, netdev_trig_timer, (unsigned long) trigger_data); + +	trigger_data->led_cdev = led_cdev; +	trigger_data->net_dev = NULL; +	trigger_data->device_name[0] = 0; + +	trigger_data->mode = 0; +	trigger_data->interval = msecs_to_jiffies(50); +	trigger_data->link_up = 0; +	trigger_data->last_activity = 0; + +	led_cdev->trigger_data = trigger_data; + +	rc = device_create_file(led_cdev->dev, &dev_attr_device_name); +	if (rc) +		goto err_out; +	rc = device_create_file(led_cdev->dev, &dev_attr_mode); +	if (rc) +		goto err_out_device_name; +	rc = device_create_file(led_cdev->dev, &dev_attr_interval); +	if (rc) +		goto err_out_mode; + +	register_netdevice_notifier(&trigger_data->notifier); +	return; + +err_out_mode: +	device_remove_file(led_cdev->dev, &dev_attr_mode); +err_out_device_name: +	device_remove_file(led_cdev->dev, &dev_attr_device_name); +err_out: +	led_cdev->trigger_data = NULL; +	kfree(trigger_data); +} + +static void netdev_trig_deactivate(struct led_classdev *led_cdev) +{ +	struct led_netdev_data *trigger_data = led_cdev->trigger_data; + +	if (trigger_data) { +		unregister_netdevice_notifier(&trigger_data->notifier); + +		device_remove_file(led_cdev->dev, &dev_attr_device_name); +		device_remove_file(led_cdev->dev, &dev_attr_mode); +		device_remove_file(led_cdev->dev, &dev_attr_interval); + +		write_lock(&trigger_data->lock); + +		if (trigger_data->net_dev) { +			dev_put(trigger_data->net_dev); +			trigger_data->net_dev = NULL; +		} + +		write_unlock(&trigger_data->lock); + +		del_timer_sync(&trigger_data->timer); + +		kfree(trigger_data); +	} +} + +static struct led_trigger netdev_led_trigger = { +	.name     = "netdev", +	.activate = netdev_trig_activate, +	.deactivate = netdev_trig_deactivate, +}; + +static int __init netdev_trig_init(void) +{ +	return led_trigger_register(&netdev_led_trigger); +} + +static void __exit netdev_trig_exit(void) +{ +	led_trigger_unregister(&netdev_led_trigger); +} + +module_init(netdev_trig_init); +module_exit(netdev_trig_exit); + +MODULE_AUTHOR("Oliver Jowett <oliver@opencloud.com>"); +MODULE_DESCRIPTION("Netdev LED trigger"); +MODULE_LICENSE("GPL"); diff --git a/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/ar8216.c b/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/ar8216.c new file mode 100644 index 000000000..93e4b33d9 --- /dev/null +++ b/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/ar8216.c @@ -0,0 +1,651 @@ +/* + * ar8216.c: AR8216 switch driver + * + * Copyright (C) 2009 Felix Fietkau <nbd@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. + */ + +#include <linux/if.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/if_ether.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/netlink.h> +#include <linux/bitops.h> +#include <net/genetlink.h> +#include <linux/switch.h> +#include <linux/delay.h> +#include <linux/phy.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include "ar8216.h" + + +struct ar8216_priv { +	struct switch_dev dev; +	struct phy_device *phy; +	u32 (*read)(struct ar8216_priv *priv, int reg); +	void (*write)(struct ar8216_priv *priv, int reg, u32 val); +	const struct net_device_ops *ndo_old; +	struct net_device_ops ndo; + +	/* all fields below are cleared on reset */ +	bool vlan; +	u8 vlan_id[AR8216_NUM_VLANS]; +	u8 vlan_table[AR8216_NUM_VLANS]; +	u8 vlan_tagged; +	u16 pvid[AR8216_NUM_PORTS]; +}; +static struct switch_dev athdev; + +#define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev) + +static inline void +split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page) +{ +	regaddr >>= 1; +	*r1 = regaddr & 0x1e; + +	regaddr >>= 5; +	*r2 = regaddr & 0x7; + +	regaddr >>= 3; +	*page = regaddr & 0x1ff; +} + +static u32 +ar8216_mii_read(struct ar8216_priv *priv, int reg) +{ +	struct phy_device *phy = priv->phy; +	u16 r1, r2, page; +	u16 lo, hi; + +	split_addr((u32) reg, &r1, &r2, &page); +	phy->bus->write(phy->bus, 0x18, 0, page); +	msleep(1); /* wait for the page switch to propagate */ +	lo = phy->bus->read(phy->bus, 0x10 | r2, r1); +	hi = phy->bus->read(phy->bus, 0x10 | r2, r1 + 1); + +	return (hi << 16) | lo; +} + +static void +ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val) +{ +	struct phy_device *phy = priv->phy; +	u16 r1, r2, r3; +	u16 lo, hi; + +	split_addr((u32) reg, &r1, &r2, &r3); +	phy->bus->write(phy->bus, 0x18, 0, r3); +	msleep(1); /* wait for the page switch to propagate */ + +	lo = val & 0xffff; +	hi = (u16) (val >> 16); +	phy->bus->write(phy->bus, 0x10 | r2, r1 + 1, hi); +	phy->bus->write(phy->bus, 0x10 | r2, r1, lo); +} + +static u32 +ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val) +{ +	u32 v; + +	v = priv->read(priv, reg); +	v &= ~mask; +	v |= val; +	priv->write(priv, reg, v); + +	return v; +} + +static int +ar8216_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, +                struct switch_val *val) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	priv->vlan = !!val->value.i; +	return 0; +} + +static int +ar8216_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, +                struct switch_val *val) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	val->value.i = priv->vlan; +	return 0; +} + + +static int +ar8216_set_pvid(struct switch_dev *dev, int port, int vlan) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	priv->pvid[port] = vlan; +	return 0; +} + +static int +ar8216_get_pvid(struct switch_dev *dev, int port, int *vlan) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	*vlan = priv->pvid[port]; +	return 0; +} + +static int +ar8216_set_vid(struct switch_dev *dev, const struct switch_attr *attr, +                struct switch_val *val) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	priv->vlan_id[val->port_vlan] = val->value.i; +	return 0; +} + +static int +ar8216_get_vid(struct switch_dev *dev, const struct switch_attr *attr, +                struct switch_val *val) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	val->value.i = priv->vlan_id[val->port_vlan]; +	return 0; +} + + +static int +ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev) +{ +	struct ar8216_priv *priv = dev->phy_ptr; +	unsigned char *buf; + +    if (unlikely(!priv)) +        goto error; + +	if (!priv->vlan) +		goto send; + +	if (unlikely(skb_headroom(skb) < 2)) { +		if (pskb_expand_head(skb, 2, 0, GFP_ATOMIC) < 0) +			goto error; +	} + +	buf = skb_push(skb, 2); +	buf[0] = 0x10; +	buf[1] = 0x80; + +send: +	return priv->ndo_old->ndo_start_xmit(skb, dev); + +error: +	dev_kfree_skb_any(skb); +	return 0; +} + +static int +ar8216_mangle_rx(struct sk_buff *skb, int napi) +{ +	struct ar8216_priv *priv; +	struct net_device *dev; +	unsigned char *buf; +	int port, vlan; + +	dev = skb->dev; +	if (!dev) +		goto error; + +	priv = dev->phy_ptr; +	if (!priv) +		goto error; + +	/* don't strip the header if vlan mode is disabled */ +	if (!priv->vlan) +		goto recv; + +	/* strip header, get vlan id */ +	buf = skb->data; +	skb_pull(skb, 2); + +	/* check for vlan header presence */ +	if ((buf[12 + 2] != 0x81) || (buf[13 + 2] != 0x00)) +		goto recv; + +	port = buf[0] & 0xf; + +	/* no need to fix up packets coming from a tagged source */ +	if (priv->vlan_tagged & (1 << port)) +		goto recv; + +	/* lookup port vid from local table, the switch passes an invalid vlan id */ +	vlan = priv->pvid[port]; + +	buf[14 + 2] &= 0xf0; +	buf[14 + 2] |= vlan >> 8; +	buf[15 + 2] = vlan & 0xff; + +recv: +	skb->protocol = eth_type_trans(skb, skb->dev); + +	if (napi) +		return netif_receive_skb(skb); +	else +		return netif_rx(skb); + +error: +	/* no vlan? eat the packet! */ +	dev_kfree_skb_any(skb); +	return 0; +} + +static int +ar8216_netif_rx(struct sk_buff *skb) +{ +	return ar8216_mangle_rx(skb, 0); +} + +static int +ar8216_netif_receive_skb(struct sk_buff *skb) +{ +	return ar8216_mangle_rx(skb, 1); +} + + +static struct switch_attr ar8216_globals[] = { +	{ +		.type = SWITCH_TYPE_INT, +		.name = "enable_vlan", +		.description = "Enable VLAN mode", +		.set = ar8216_set_vlan, +		.get = ar8216_get_vlan, +		.max = 1 +	}, +}; + +static struct switch_attr ar8216_port[] = { +}; + +static struct switch_attr ar8216_vlan[] = { +	{ +		.type = SWITCH_TYPE_INT, +		.name = "pvid", +		.description = "VLAN ID", +		.set = ar8216_set_vid, +		.get = ar8216_get_vid, +		.max = 4095, +	}, +}; + + +static int +ar8216_get_ports(struct switch_dev *dev, struct switch_val *val) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	u8 ports = priv->vlan_table[val->port_vlan]; +	int i; + +	val->len = 0; +	for (i = 0; i < AR8216_NUM_PORTS; i++) { +		struct switch_port *p; + +		if (!(ports & (1 << i))) +			continue; + +		p = &val->value.ports[val->len++]; +		p->id = i; +		if (priv->vlan_tagged & (1 << i)) +			p->flags = (1 << SWITCH_PORT_FLAG_TAGGED); +		else +			p->flags = 0; +	} +	return 0; +} + +static int +ar8216_set_ports(struct switch_dev *dev, struct switch_val *val) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	u8 *vt = &priv->vlan_table[val->port_vlan]; +	int i, j; + +	*vt = 0; +	for (i = 0; i < val->len; i++) { +		struct switch_port *p = &val->value.ports[i]; + +		if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) +			priv->vlan_tagged |= (1 << p->id); +		else { +			priv->vlan_tagged &= ~(1 << p->id); +			priv->pvid[p->id] = val->port_vlan; + +			/* make sure that an untagged port does not +			 * appear in other vlans */ +			for (j = 0; j < AR8216_NUM_VLANS; j++) { +				if (j == val->port_vlan) +					continue; +				priv->vlan_table[j] &= ~(1 << p->id); +			} +		} + +		*vt |= 1 << p->id; +	} +	return 0; +} + +static int +ar8216_wait_bit(struct ar8216_priv *priv, int reg, u32 mask, u32 val) +{ +	int timeout = 20; + +	while ((priv->read(priv, reg) & mask) != val) { +		if (timeout-- <= 0) { +			printk(KERN_ERR "ar8216: timeout waiting for operation to complete\n"); +			return 1; +		} +	} +	return 0; +} + +static void +ar8216_vtu_op(struct ar8216_priv *priv, u32 op, u32 val) +{ +	if (ar8216_wait_bit(priv, AR8216_REG_VTU, AR8216_VTU_ACTIVE, 0)) +		return; +	if ((op & AR8216_VTU_OP) == AR8216_VTU_OP_LOAD) { +		val &= AR8216_VTUDATA_MEMBER; +		val |= AR8216_VTUDATA_VALID; +		priv->write(priv, AR8216_REG_VTU_DATA, val); +	} +	op |= AR8216_VTU_ACTIVE; +	priv->write(priv, AR8216_REG_VTU, op); +} + +static int +ar8216_hw_apply(struct switch_dev *dev) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	u8 portmask[AR8216_NUM_PORTS]; +	int i, j; + +	/* flush all vlan translation unit entries */ +	ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0); + +	memset(portmask, 0, sizeof(portmask)); +	if (priv->vlan) { +		/* calculate the port destination masks and load vlans +		 * into the vlan translation unit */ +		for (j = 0; j < AR8216_NUM_VLANS; j++) { +			u8 vp = priv->vlan_table[j]; + +			if (!vp) +				continue; + +			for (i = 0; i < AR8216_NUM_PORTS; i++) { +				u8 mask = (1 << i); +				if (vp & mask) +					portmask[i] |= vp & ~mask; +			} + +			if (!priv->vlan_table[j]) +				continue; + +			ar8216_vtu_op(priv, +				AR8216_VTU_OP_LOAD | +				(priv->vlan_id[j] << AR8216_VTU_VID_S), +				priv->vlan_table[j]); +		} +	} else { +		/* vlan disabled: +		 * isolate all ports, but connect them to the cpu port */ +		for (i = 0; i < AR8216_NUM_PORTS; i++) { +			if (i == AR8216_PORT_CPU) +				continue; + +			portmask[i] = 1 << AR8216_PORT_CPU; +			portmask[AR8216_PORT_CPU] |= (1 << i); +		} +	} + +	/* update the port destination mask registers and tag settings */ +	for (i = 0; i < AR8216_NUM_PORTS; i++) { +		int egress, ingress; +		int pvid; + +		if (priv->vlan) { +			pvid = priv->vlan_id[priv->pvid[i]]; +		} else { +			pvid = i; +		} + +		if (priv->vlan && (priv->vlan_tagged & (1 << i))) { +			egress = AR8216_OUT_ADD_VLAN; +		} else { +			egress = AR8216_OUT_STRIP_VLAN; +		} +		ingress = AR8216_IN_SECURE; + +		ar8216_rmw(priv, AR8216_REG_PORT_CTRL(i), +			AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE | +			AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE | +			AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK, +			AR8216_PORT_CTRL_LEARN | +			  (priv->vlan && i == AR8216_PORT_CPU ? +			   AR8216_PORT_CTRL_HEADER : 0) | +			  (egress << AR8216_PORT_CTRL_VLAN_MODE_S) | +			  (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S)); + +		ar8216_rmw(priv, AR8216_REG_PORT_VLAN(i), +			AR8216_PORT_VLAN_DEST_PORTS | AR8216_PORT_VLAN_MODE | +			  AR8216_PORT_VLAN_DEFAULT_ID, +			(portmask[i] << AR8216_PORT_VLAN_DEST_PORTS_S) | +			  (ingress << AR8216_PORT_VLAN_MODE_S) | +			  (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S)); +	} + +	return 0; +} + +static int +ar8216_reset_switch(struct switch_dev *dev) +{ +	struct ar8216_priv *priv = to_ar8216(dev); +	int i; + +	memset(&priv->vlan, 0, sizeof(struct ar8216_priv) - +		offsetof(struct ar8216_priv, vlan)); +	for (i = 0; i < AR8216_NUM_VLANS; i++) { +		priv->vlan_id[i] = i; +	} +	for (i = 0; i < AR8216_NUM_PORTS; i++) { +		/* Enable port learning and tx */ +		priv->write(priv, AR8216_REG_PORT_CTRL(i), +			AR8216_PORT_CTRL_LEARN | +			(4 << AR8216_PORT_CTRL_STATE_S)); + +		priv->write(priv, AR8216_REG_PORT_VLAN(i), 0); + +		/* Configure all PHYs */ +		if (i == AR8216_PORT_CPU) { +			priv->write(priv, AR8216_REG_PORT_STATUS(i), +				AR8216_PORT_STATUS_LINK_UP | +				AR8216_PORT_STATUS_SPEED | +				AR8216_PORT_STATUS_TXMAC | +				AR8216_PORT_STATUS_RXMAC | +				AR8216_PORT_STATUS_DUPLEX); +		} else { +			priv->write(priv, AR8216_REG_PORT_STATUS(i), +				AR8216_PORT_STATUS_LINK_AUTO); +		} +	} +	/* XXX: undocumented magic from atheros, required! */ +	priv->write(priv, 0x38, 0xc000050e); + +	ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL, +		AR8216_GCTRL_MTU, 1518 + 8 + 2); + +	return ar8216_hw_apply(dev); +} + +static int +ar8216_config_init(struct phy_device *pdev) +{ +	struct ar8216_priv *priv; +	struct net_device *dev = pdev->attached_dev; +	int ret; + +	printk("%s: AR8216 PHY driver attached.\n", pdev->attached_dev->name); +	pdev->supported = ADVERTISED_100baseT_Full; +	pdev->advertising = ADVERTISED_100baseT_Full; + +	priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL); +	if (priv == NULL) +		return -ENOMEM; + +	priv->phy = pdev; +	priv->read = ar8216_mii_read; +	priv->write = ar8216_mii_write; +	memcpy(&priv->dev, &athdev, sizeof(struct switch_dev)); +	pdev->priv = priv; +	if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) { +		kfree(priv); +		goto done; +	} + +	ret = ar8216_reset_switch(&priv->dev); +	if (ret) +		goto done; + +	dev->phy_ptr = priv; +	pdev->pkt_align = 2; +	pdev->netif_receive_skb = ar8216_netif_receive_skb; +	pdev->netif_rx = ar8216_netif_rx; + +	priv->ndo_old = dev->netdev_ops; +	memcpy(&priv->ndo, priv->ndo_old, sizeof(struct net_device_ops)); +	priv->ndo.ndo_start_xmit = ar8216_mangle_tx; +	dev->netdev_ops = &priv->ndo; + +done: +	return ret; +} + +static int +ar8216_read_status(struct phy_device *phydev) +{ +	struct ar8216_priv *priv = phydev->priv; + +	phydev->speed = SPEED_100; +	phydev->duplex = DUPLEX_FULL; +	phydev->state = PHY_UP; + +	/* flush the address translation unit */ +	if (ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0)) +		return -ETIMEDOUT; + +	priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH); + +	return 0; +} + +static int +ar8216_config_aneg(struct phy_device *phydev) +{ +	return 0; +} + +static int +ar8216_probe(struct phy_device *pdev) +{ +	struct ar8216_priv priv; + +	u8 id, rev; +	u32 val; + +	priv.phy = pdev; +	val = ar8216_mii_read(&priv, AR8216_REG_CTRL); +	rev = val & 0xff; +	id = (val >> 8) & 0xff; +	if ((id != 1) || (rev != 1)) +		return -ENODEV; + +	return 0; +} + +static void +ar8216_remove(struct phy_device *pdev) +{ +	struct ar8216_priv *priv = pdev->priv; +	struct net_device *dev = pdev->attached_dev; + +	if (!priv) +		return; + +	if (priv->ndo_old && dev) +		dev->netdev_ops = priv->ndo_old; +	unregister_switch(&priv->dev); +	kfree(priv); +} + +/* template */ +static struct switch_dev athdev = { +	.name = "Atheros AR8216", +	.cpu_port = AR8216_PORT_CPU, +	.ports = AR8216_NUM_PORTS, +	.vlans = AR8216_NUM_VLANS, +	.attr_global = { +		.attr = ar8216_globals, +		.n_attr = ARRAY_SIZE(ar8216_globals), +	}, +	.attr_port = { +		.attr = ar8216_port, +		.n_attr = ARRAY_SIZE(ar8216_port), +	}, +	.attr_vlan = { +		.attr = ar8216_vlan, +		.n_attr = ARRAY_SIZE(ar8216_vlan), +	}, +	.get_port_pvid = ar8216_get_pvid, +	.set_port_pvid = ar8216_set_pvid, +	.get_vlan_ports = ar8216_get_ports, +	.set_vlan_ports = ar8216_set_ports, +	.apply_config = ar8216_hw_apply, +	.reset_switch = ar8216_reset_switch, +}; + +static struct phy_driver ar8216_driver = { +	.name		= "Atheros AR8216", +	.features	= PHY_BASIC_FEATURES, +	.probe		= ar8216_probe, +	.remove		= ar8216_remove, +	.config_init	= &ar8216_config_init, +	.config_aneg	= &ar8216_config_aneg, +	.read_status	= &ar8216_read_status, +	.driver		= { .owner = THIS_MODULE }, +}; + +int __init +ar8216_init(void) +{ +	return phy_driver_register(&ar8216_driver); +} + +void __exit +ar8216_exit(void) +{ +	phy_driver_unregister(&ar8216_driver); +} + +module_init(ar8216_init); +module_exit(ar8216_exit); +MODULE_LICENSE("GPL"); + diff --git a/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/mvswitch.c b/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/mvswitch.c new file mode 100644 index 000000000..7aed70d47 --- /dev/null +++ b/target/linux/generic-2.6/files-2.6.31/drivers/net/phy/mvswitch.c @@ -0,0 +1,467 @@ +/* + * Marvell 88E6060 switch driver + * Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org> + * + * This program is free software; you can redistribute  it and/or modify it + * under  the terms of the GNU General Public License v2 as published by the + * Free Software Foundation + */ +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/errno.h> +#include <linux/unistd.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/phy.h> +#include <linux/if_vlan.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/uaccess.h> +#include "mvswitch.h" + +/* Undefine this to use trailer mode instead. + * I don't know if header mode works with all chips */ +#define HEADER_MODE	1 + +MODULE_DESCRIPTION("Marvell 88E6060 Switch driver"); +MODULE_AUTHOR("Felix Fietkau"); +MODULE_LICENSE("GPL"); + +#define MVSWITCH_MAGIC 0x88E6060 + +struct mvswitch_priv { +	const struct net_device_ops *ndo_old; +	struct net_device_ops ndo; +	struct vlan_group *grp; +	u8 vlans[16]; +}; + +#define to_mvsw(_phy) ((struct mvswitch_priv *) (_phy)->priv) + +static inline u16 +r16(struct phy_device *phydev, int addr, int reg) +{ +	return phydev->bus->read(phydev->bus, addr, reg); +} + +static inline void +w16(struct phy_device *phydev, int addr, int reg, u16 val) +{ +	phydev->bus->write(phydev->bus, addr, reg, val); +} + + +static int +mvswitch_mangle_tx(struct sk_buff *skb, struct net_device *dev) +{ +	struct mvswitch_priv *priv; +	char *buf = NULL; +	u16 vid; + +	priv = dev->phy_ptr; +	if (unlikely(!priv)) +		goto error; + +	if (unlikely(skb->len < 16)) +		goto error; + +#ifdef HEADER_MODE +	if (__vlan_hwaccel_get_tag(skb, &vid)) +		goto error; + +	if (skb_cloned(skb) || (skb->len <= 62) || (skb_headroom(skb) < MV_HEADER_SIZE)) { +		if (pskb_expand_head(skb, MV_HEADER_SIZE, (skb->len < 62 ? 62 - skb->len : 0), GFP_ATOMIC)) +			goto error_expand; +		if (skb->len < 62) +			skb->len = 62; +	} +	buf = skb_push(skb, MV_HEADER_SIZE); +#else +	if (__vlan_get_tag(skb, &vid)) +		goto error; + +	if (unlikely((vid > 15 || !priv->vlans[vid]))) +		goto error; + +	if (skb->len <= 64) { +		if (pskb_expand_head(skb, 0, 64 + MV_TRAILER_SIZE - skb->len, GFP_ATOMIC)) +			goto error_expand; + +		buf = skb->data + 64; +		skb->len = 64 + MV_TRAILER_SIZE; +	} else { +		if (skb_cloned(skb) || unlikely(skb_tailroom(skb) < 4)) { +			if (pskb_expand_head(skb, 0, 4, GFP_ATOMIC)) +				goto error_expand; +		} +		buf = skb_put(skb, 4); +	} + +	/* move the ethernet header 4 bytes forward, overwriting the vlan tag */ +	memmove(skb->data + 4, skb->data, 12); +	skb->data += 4; +	skb->len -= 4; +	skb->mac_header += 4; +#endif + +	if (!buf) +		goto error; + + +#ifdef HEADER_MODE +	/* prepend the tag */ +	*((__be16 *) buf) = cpu_to_be16( +		((vid << MV_HEADER_VLAN_S) & MV_HEADER_VLAN_M) | +		((priv->vlans[vid] << MV_HEADER_PORTS_S) & MV_HEADER_PORTS_M) +	); +#else +	/* append the tag */ +	*((__be32 *) buf) = cpu_to_be32(( +		(MV_TRAILER_OVERRIDE << MV_TRAILER_FLAGS_S) | +		((priv->vlans[vid] & MV_TRAILER_PORTS_M) << MV_TRAILER_PORTS_S) +	)); +#endif + +	return priv->ndo_old->ndo_start_xmit(skb, dev); + +error_expand: +	if (net_ratelimit()) +		printk("%s: failed to expand/update skb for the switch\n", dev->name); + +error: +	/* any errors? drop the packet! */ +	dev_kfree_skb_any(skb); +	return 0; +} + +static int +mvswitch_mangle_rx(struct sk_buff *skb, int napi) +{ +	struct mvswitch_priv *priv; +	struct net_device *dev; +	int vlan = -1; +	unsigned char *buf; +	int i; + +	dev = skb->dev; +	if (!dev) +		goto error; + +	priv = dev->phy_ptr; +	if (!priv) +		goto error; + +	if (!priv->grp) +		goto error; + +#ifdef HEADER_MODE +	buf = skb->data; +	skb_pull(skb, MV_HEADER_SIZE); +#else +	buf = skb->data + skb->len - MV_TRAILER_SIZE; +	if (buf[0] != 0x80) +		goto error; +#endif + +	/* look for the vlan matching the incoming port */ +	for (i = 0; i < ARRAY_SIZE(priv->vlans); i++) { +		if ((1 << buf[1]) & priv->vlans[i]) +			vlan = i; +	} + +	if (vlan == -1) +		goto error; + +	skb->protocol = eth_type_trans(skb, skb->dev); + +	if (napi) +		return vlan_hwaccel_receive_skb(skb, priv->grp, vlan); +	else +		return vlan_hwaccel_rx(skb, priv->grp, vlan); + +error: +	/* no vlan? eat the packet! */ +	dev_kfree_skb_any(skb); +	return 0; +} + + +static int +mvswitch_netif_rx(struct sk_buff *skb) +{ +	return mvswitch_mangle_rx(skb, 0); +} + +static int +mvswitch_netif_receive_skb(struct sk_buff *skb) +{ +	return mvswitch_mangle_rx(skb, 1); +} + + +static void +mvswitch_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) +{ +	struct mvswitch_priv *priv = dev->phy_ptr; +	priv->grp = grp; +} + + +static int +mvswitch_wait_mask(struct phy_device *pdev, int addr, int reg, u16 mask, u16 val) +{ +	int i = 100; +	u16 r; + +	do { +		r = r16(pdev, addr, reg) & mask; +		if (r == val) +			return 0; +	} while(--i > 0); +	return -ETIMEDOUT; +} + +static int +mvswitch_config_init(struct phy_device *pdev) +{ +	struct mvswitch_priv *priv = to_mvsw(pdev); +	struct net_device *dev = pdev->attached_dev; +	u8 vlmap = 0; +	int i; + +	if (!dev) +		return -EINVAL; + +	printk("%s: Marvell 88E6060 PHY driver attached.\n", dev->name); +	pdev->supported = ADVERTISED_100baseT_Full; +	pdev->advertising = ADVERTISED_100baseT_Full; +	dev->phy_ptr = priv; +	dev->irq = PHY_POLL; + +	/* initialize default vlans */ +	for (i = 0; i < MV_PORTS; i++) +		priv->vlans[(i == MV_WANPORT ? 2 : 1)] |= (1 << i); + +	/* before entering reset, disable all ports */ +	for (i = 0; i < MV_PORTS; i++) +		w16(pdev, MV_PORTREG(CONTROL, i), 0x00); + +	msleep(2); /* wait for the status change to settle in */ + +	/* put the ATU in reset */ +	w16(pdev, MV_SWITCHREG(ATU_CTRL), MV_ATUCTL_RESET); + +	i = mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_CTRL), MV_ATUCTL_RESET, 0); +	if (i < 0) { +		printk("%s: Timeout waiting for the switch to reset.\n", dev->name); +		return i; +	} + +	/* set the ATU flags */ +	w16(pdev, MV_SWITCHREG(ATU_CTRL), +		MV_ATUCTL_NO_LEARN | +		MV_ATUCTL_ATU_1K | +		MV_ATUCTL_AGETIME(MV_ATUCTL_AGETIME_MIN) /* minimum without disabling ageing */ +	); + +	/* initialize the cpu port */ +	w16(pdev, MV_PORTREG(CONTROL, MV_CPUPORT), +#ifdef HEADER_MODE +		MV_PORTCTRL_HEADER | +#else +		MV_PORTCTRL_RXTR | +		MV_PORTCTRL_TXTR | +#endif +		MV_PORTCTRL_ENABLED +	); +	/* wait for the phy change to settle in */ +	msleep(2); +	for (i = 0; i < MV_PORTS; i++) { +		u8 pvid = 0; +		int j; + +		vlmap = 0; + +		/* look for the matching vlan */ +		for (j = 0; j < ARRAY_SIZE(priv->vlans); j++) { +			if (priv->vlans[j] & (1 << i)) { +				vlmap = priv->vlans[j]; +				pvid = j; +			} +		} +		/* leave port unconfigured if it's not part of a vlan */ +		if (!vlmap) +			continue; + +		/* add the cpu port to the allowed destinations list */ +		vlmap |= (1 << MV_CPUPORT); + +		/* take port out of its own vlan destination map */ +		vlmap &= ~(1 << i); + +		/* apply vlan settings */ +		w16(pdev, MV_PORTREG(VLANMAP, i), +			MV_PORTVLAN_PORTS(vlmap) | +			MV_PORTVLAN_ID(i) +		); + +		/* re-enable port */ +		w16(pdev, MV_PORTREG(CONTROL, i), +			MV_PORTCTRL_ENABLED +		); +	} + +	w16(pdev, MV_PORTREG(VLANMAP, MV_CPUPORT), +		MV_PORTVLAN_ID(MV_CPUPORT) +	); + +	/* set the port association vector */ +	for (i = 0; i <= MV_PORTS; i++) { +		w16(pdev, MV_PORTREG(ASSOC, i), +			MV_PORTASSOC_PORTS(1 << i) +		); +	} + +	/* init switch control */ +	w16(pdev, MV_SWITCHREG(CTRL), +		MV_SWITCHCTL_MSIZE | +		MV_SWITCHCTL_DROP +	); + +	/* hook into the tx function */ +	priv->ndo_old = dev->netdev_ops; +	memcpy(&priv->ndo, priv->ndo_old, sizeof(struct net_device_ops)); +	priv->ndo.ndo_start_xmit = mvswitch_mangle_tx; +	priv->ndo.ndo_vlan_rx_register = mvswitch_vlan_rx_register; +	dev->netdev_ops = &priv->ndo; + +	pdev->pkt_align = 2; +	pdev->netif_receive_skb = mvswitch_netif_receive_skb; +	pdev->netif_rx = mvswitch_netif_rx; +#ifdef HEADER_MODE +	dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX; +#else +	dev->features |= NETIF_F_HW_VLAN_RX; +#endif + +	return 0; +} + +static int +mvswitch_read_status(struct phy_device *pdev) +{ +	pdev->speed = SPEED_100; +	pdev->duplex = DUPLEX_FULL; +	pdev->state = PHY_UP; + +	/* XXX ugly workaround: we can't force the switch +	 * to gracefully handle hosts moving from one port to another, +	 * so we have to regularly clear the ATU database */ + +	/* wait for the ATU to become available */ +	mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_OP), MV_ATUOP_INPROGRESS, 0); + +	/* flush the ATU */ +	w16(pdev, MV_SWITCHREG(ATU_OP), +		MV_ATUOP_INPROGRESS | +		MV_ATUOP_FLUSH_ALL +	); + +	/* wait for operation to complete */ +	mvswitch_wait_mask(pdev, MV_SWITCHREG(ATU_OP), MV_ATUOP_INPROGRESS, 0); + +	return 0; +} + +static int +mvswitch_config_aneg(struct phy_device *phydev) +{ +	return 0; +} + +static void +mvswitch_remove(struct phy_device *pdev) +{ +	struct mvswitch_priv *priv = to_mvsw(pdev); +	struct net_device *dev = pdev->attached_dev; + +	/* restore old netdev ops */ +	if (priv->ndo_old && dev) +		dev->netdev_ops = priv->ndo_old; +	dev->vlan_rx_register = NULL; +	dev->vlan_rx_kill_vid = NULL; +	dev->phy_ptr = NULL; +	dev->features &= ~NETIF_F_HW_VLAN_RX; +	kfree(priv); +} + +static int +mvswitch_probe(struct phy_device *pdev) +{ +	struct mvswitch_priv *priv; + +	priv = kzalloc(sizeof(struct mvswitch_priv), GFP_KERNEL); +	if (priv == NULL) +		return -ENOMEM; + +	pdev->priv = priv; + +	return 0; +} + +static int +mvswitch_fixup(struct phy_device *dev) +{ +	u16 reg; + +	if (dev->addr != 0x10) +		return 0; + +	reg = dev->bus->read(dev->bus, MV_PORTREG(IDENT, 0)) & MV_IDENT_MASK; +	if (reg != MV_IDENT_VALUE) +		return 0; + +	dev->phy_id = MVSWITCH_MAGIC; +	return 0; +} + + +static struct phy_driver mvswitch_driver = { +	.name		= "Marvell 88E6060", +	.phy_id		= MVSWITCH_MAGIC, +	.phy_id_mask	= 0xffffffff, +	.features	= PHY_BASIC_FEATURES, +	.probe		= &mvswitch_probe, +	.remove		= &mvswitch_remove, +	.config_init	= &mvswitch_config_init, +	.config_aneg	= &mvswitch_config_aneg, +	.read_status	= &mvswitch_read_status, +	.driver		= { .owner = THIS_MODULE,}, +}; + +static int __init +mvswitch_init(void) +{ +	phy_register_fixup_for_id(PHY_ANY_ID, mvswitch_fixup); +	return phy_driver_register(&mvswitch_driver); +} + +static void __exit +mvswitch_exit(void) +{ +	phy_driver_unregister(&mvswitch_driver); +} + +module_init(mvswitch_init); +module_exit(mvswitch_exit); | 
