openwrt/upstream - upstream openwrt

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Diffstat (limited to 'include/kernel-version.mk')

0 files changed, 0 insertions, 0 deletions

--- a/arch/mips/lantiq/falcon/Makefile +++ b/arch/mips/lantiq/falcon/Makefile @@ -2,3 +2,4 @@ obj-y := clk-falcon.o devices.o gpio.o p obj-y += softdog_vpe.o obj-$(CONFIG_LANTIQ_MACH_EASY98000) += addon-easy98000.o obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o +obj-$(CONFIG_LANTIQ_MACH_EASY98000) += dev-leds-easy98000-cpld.o --- /dev/null +++ b/arch/mips/lantiq/falcon/dev-leds-easy98000-cpld.c @@ -0,0 +1,160 @@ +/* + * EASY98000 CPLD LED driver + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.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/types.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/errno.h> +#include <linux/leds.h> +#include <linux/slab.h> + +#include "dev-leds-easy98000-cpld.h" + +const char *led_name[8] = { + "ge0_act", + "ge0_link", + "ge1_act", + "ge1_link", + "fe2_act", + "fe2_link", + "fe3_act", + "fe3_link" +}; + +#define cpld_base7 ((u16 *)(KSEG1 | 0x17c0000c)) +#define cpld_base8 ((u16 *)(KSEG1 | 0x17c00012)) + +#define ltq_r16(reg) __raw_readw(reg) +#define ltq_w16(val, reg) __raw_writew(val, reg) + +struct cpld_led_dev { + struct led_classdev cdev; + u8 mask; + u16 *base; +}; + +struct cpld_led_drvdata { + struct cpld_led_dev *led_devs; + int num_leds; +}; + +void led_set(u8 mask, u16 *base) +{ + ltq_w16(ltq_r16(base) | mask, base); +} + +void led_clear(u8 mask, u16 *base) +{ + ltq_w16(ltq_r16(base) & (~mask), base); +} + +void led_blink_clear(u8 mask, u16 *base) +{ + led_clear(mask, base); +} + +static void led_brightness(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct cpld_led_dev *led_dev = + container_of(led_cdev, struct cpld_led_dev, cdev); + + if (value) + led_set(led_dev->mask, led_dev->base); + else + led_clear(led_dev->mask, led_dev->base); +} + +static int led_probe(struct platform_device *pdev) +{ + int i; + char name[32]; + struct cpld_led_drvdata *drvdata; + int ret = 0; + + drvdata = kzalloc(sizeof(struct cpld_led_drvdata) + + sizeof(struct cpld_led_dev) * MAX_LED, + GFP_KERNEL); + if (!drvdata) + return -ENOMEM; + + drvdata->led_devs = (struct cpld_led_dev *) &drvdata[1]; + + for (i = 0; i < MAX_LED; i++) { + struct cpld_led_dev *led_dev = &drvdata->led_devs[i]; + led_dev->cdev.brightness_set = led_brightness; + led_dev->cdev.default_trigger = NULL; + led_dev->mask = 1 << (i % 8); + if(i < 8) { + sprintf(name, "easy98000-cpld:%s", led_name[i]); + led_dev->base = cpld_base8; + } else { + sprintf(name, "easy98000-cpld:red:%d", i-8); + led_dev->base = cpld_base7; + } + led_dev->cdev.name = name; + ret = led_classdev_register(&pdev->dev, &led_dev->cdev); + if (ret) + goto err; + } + platform_set_drvdata(pdev, drvdata); + return 0; + +err: + printk("led_probe: 3\n"); + for (i = i - 1; i >= 0; i--) + led_classdev_unregister(&drvdata->led_devs[i].cdev); + + kfree(drvdata); + return ret; +} + +static int led_remove(struct platform_device *pdev) +{ + int i; + struct cpld_led_drvdata *drvdata = platform_get_drvdata(pdev); + for (i = 0; i < MAX_LED; i++) + led_classdev_unregister(&drvdata->led_devs[i].cdev); + kfree(drvdata); + return 0; +} + +static struct platform_driver led_driver = { + .probe = led_probe, + .remove = __devexit_p(led_remove), + .driver = { + .name = LED_NAME, + .owner = THIS_MODULE, + }, +}; + +int __init easy98000_cpld_led_init(void) +{ + pr_info(LED_DESC ", Version " LED_VERSION + " (c) Copyright 2011, Lantiq Deutschland GmbH\n"); + return platform_driver_register(&led_driver); +} + +void __exit easy98000_cpld_led_exit(void) +{ + platform_driver_unregister(&led_driver); +} + +module_init(easy98000_cpld_led_init); +module_exit(easy98000_cpld_led_exit); + +MODULE_DESCRIPTION(LED_NAME); +MODULE_DESCRIPTION(LED_DESC); +MODULE_AUTHOR("Ralph Hempel <ralph.hempel@lantiq.com>"); +MODULE_LICENSE("GPL v2"); + --- /dev/null +++ b/arch/mips/lantiq/falcon/dev-leds-easy98000-cpld.h @@ -0,0 +1,20 @@ +/* + * EASY98000 CPLD LED driver + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.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. + * + */ +#ifndef _INCLUDE_EASY98000_CPLD_LED_H_ +#define _INCLUDE_EASY98000_CPLD_LED_H_ + +#define LED_NAME "easy98000_cpld_led" +#define LED_DESC "EASY98000 LED driver" +#define LED_VERSION "1.0.0" + +#define MAX_LED 16 + +#endif /* _INCLUDE_EASY98000_CPLD_LED_H_ */


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