sead3-leds.c

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/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
 */
#include <linux/module.h>
#include <linux/leds.h>
#include <linux/platform_device.h>

#define LEDFLAGS(bits, shift)       \
    ((bits << 8) | (shift << 8))

#define LEDBITS(id, shift, bits)    \
    .name = id #shift,      \
    .flags = LEDFLAGS(bits, shift)

struct led_info led_data_info[] = {
    { LEDBITS("bit", 0, 1) },
    { LEDBITS("bit", 1, 1) },
    { LEDBITS("bit", 2, 1) },
    { LEDBITS("bit", 3, 1) },
    { LEDBITS("bit", 4, 1) },
    { LEDBITS("bit", 5, 1) },
    { LEDBITS("bit", 6, 1) },
    { LEDBITS("bit", 7, 1) },
    { LEDBITS("all", 0, 8) },
};

static struct led_platform_data led_data = {
    .num_leds   = ARRAY_SIZE(led_data_info),
    .leds       = led_data_info
};

static struct resource pled_resources[] = {
    {
        .start  = 0x1f000210,
        .end    = 0x1f000217,
        .flags  = IORESOURCE_MEM
    }
};

static struct platform_device pled_device = {
    .name           = "sead3::pled",
    .id         = 0,
    .dev            = {
        .platform_data  = &led_data,
    },
    .num_resources      = ARRAY_SIZE(pled_resources),
    .resource       = pled_resources
};


static struct resource fled_resources[] = {
    {
        .start          = 0x1f000218,
        .end            = 0x1f00021f,
        .flags          = IORESOURCE_MEM
    }
};

static struct platform_device fled_device = {
    .name           = "sead3::fled",
    .id         = 0,
    .dev            = {
        .platform_data  = &led_data,
    },
    .num_resources      = ARRAY_SIZE(fled_resources),
    .resource       = fled_resources
};

static int __init led_init(void)
{
    platform_device_register(&pled_device);
    return platform_device_register(&fled_device);
}

module_init(led_init);

MODULE_AUTHOR("Chris Dearman <[email protected]>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("LED probe driver for SEAD-3");