/*
* arch/arm/mach-mvbu/board-netxbig.c
*
* LaCie 2Big and 5Big Network v2 board setup
*
* Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
*
* 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/kernel.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/platform_data/leds-kirkwood-netxbig.h>
#include "common.h"
/*****************************************************************************
* GPIO extension LEDs
****************************************************************************/
/*
* The LEDs are controlled by a CPLD and can be configured through a GPIO
* extension bus:
*
* - address register : bit [0-2] -> GPIO [47-49]
* - data register : bit [0-2] -> GPIO [44-46]
* - enable register : GPIO 29
*/
static int netxbig_v2_gpio_ext_addr[] = { 47, 48, 49 };
static int netxbig_v2_gpio_ext_data[] = { 44, 45, 46 };
static struct netxbig_gpio_ext netxbig_v2_gpio_ext = {
.addr = netxbig_v2_gpio_ext_addr,
.num_addr = ARRAY_SIZE(netxbig_v2_gpio_ext_addr),
.data = netxbig_v2_gpio_ext_data,
.num_data = ARRAY_SIZE(netxbig_v2_gpio_ext_data),
.enable = 29,
};
/*
* Address register selection:
*
* addr | register
* ----------------------------
* 0 | front LED
* 1 | front LED brightness
* 2 | SATA LED brightness
* 3 | SATA0 LED
* 4 | SATA1 LED
* 5 | SATA2 LED
* 6 | SATA3 LED
* 7 | SATA4 LED
*
* Data register configuration:
*
* data | LED brightness
* -------------------------------------------------
* 0 | min (off)
* - | -
* 7 | max
*
* data | front LED mode
* -------------------------------------------------
* 0 | fix off
* 1 | fix blue on
* 2 | fix red on
* 3 | blink blue on=1 sec and blue off=1 sec
* 4 | blink red on=1 sec and red off=1 sec
* 5 | blink blue on=2.5 sec and red on=0.5 sec
* 6 | blink blue on=1 sec and red on=1 sec
* 7 | blink blue on=0.5 sec and blue off=2.5 sec
*
* data | SATA LED mode
* -------------------------------------------------
* 0 | fix off
* 1 | SATA activity blink
* 2 | fix red on
* 3 | blink blue on=1 sec and blue off=1 sec
* 4 | blink red on=1 sec and red off=1 sec
* 5 | blink blue on=2.5 sec and red on=0.5 sec
* 6 | blink blue on=1 sec and red on=1 sec
* 7 | fix blue on
*/
static int netxbig_v2_red_mled[NETXBIG_LED_MODE_NUM] = {
[NETXBIG_LED_OFF] = 0,
[NETXBIG_LED_ON] = 2,
[NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
[NETXBIG_LED_TIMER1] = 4,
[NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
};
static int netxbig_v2_blue_pwr_mled[NETXBIG_LED_MODE_NUM] = {
[NETXBIG_LED_OFF] = 0,
[NETXBIG_LED_ON] = 1,
[NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
[NETXBIG_LED_TIMER1] = 3,
[NETXBIG_LED_TIMER2] = 7,
};
static int netxbig_v2_blue_sata_mled[NETXBIG_LED_MODE_NUM] = {
[NETXBIG_LED_OFF] = 0,
[NETXBIG_LED_ON] = 7,
[NETXBIG_LED_SATA] = 1,
[NETXBIG_LED_TIMER1] = 3,
[NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
};
static struct netxbig_led_timer netxbig_v2_led_timer[] = {
[0] = {
.delay_on = 500,
.delay_off = 500,
.mode = NETXBIG_LED_TIMER1,
},
[1] = {
.delay_on = 500,
.delay_off = 1000,
.mode = NETXBIG_LED_TIMER2,
},
};
#define NETXBIG_LED(_name, maddr, mval, baddr) \
{ .name = _name, \
.mode_addr = maddr, \
.mode_val = mval, \
.bright_addr = baddr }
static struct netxbig_led net2big_v2_leds_ctrl[] = {
NETXBIG_LED("net2big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
NETXBIG_LED("net2big-v2:red:power", 0, netxbig_v2_red_mled, 1),
NETXBIG_LED("net2big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
NETXBIG_LED("net2big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
NETXBIG_LED("net2big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
NETXBIG_LED("net2big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
};
static struct netxbig_led_platform_data net2big_v2_leds_data = {
.gpio_ext = &netxbig_v2_gpio_ext,
.timer = netxbig_v2_led_timer,
.num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
.leds = net2big_v2_leds_ctrl,
.num_leds = ARRAY_SIZE(net2big_v2_leds_ctrl),
};
static struct netxbig_led net5big_v2_leds_ctrl[] = {
NETXBIG_LED("net5big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
NETXBIG_LED("net5big-v2:red:power", 0, netxbig_v2_red_mled, 1),
NETXBIG_LED("net5big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
NETXBIG_LED("net5big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
NETXBIG_LED("net5big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
NETXBIG_LED("net5big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
NETXBIG_LED("net5big-v2:blue:sata2", 5, netxbig_v2_blue_sata_mled, 2),
NETXBIG_LED("net5big-v2:red:sata2", 5, netxbig_v2_red_mled, 2),
NETXBIG_LED("net5big-v2:blue:sata3", 6, netxbig_v2_blue_sata_mled, 2),
NETXBIG_LED("net5big-v2:red:sata3", 6, netxbig_v2_red_mled, 2),
NETXBIG_LED("net5big-v2:blue:sata4", 7, netxbig_v2_blue_sata_mled, 2),
NETXBIG_LED("net5big-v2:red:sata4", 7, netxbig_v2_red_mled, 2),
};
static struct netxbig_led_platform_data net5big_v2_leds_data = {
.gpio_ext = &netxbig_v2_gpio_ext,
.timer = netxbig_v2_led_timer,
.num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
.leds = net5big_v2_leds_ctrl,
.num_leds = ARRAY_SIZE(net5big_v2_leds_ctrl),
};
static struct platform_device netxbig_v2_leds = {
.name = "leds-netxbig",
.id = -1,
.dev = {
.platform_data = &net2big_v2_leds_data,
},
};
void __init netxbig_init(void)
{
if (of_machine_is_compatible("lacie,net5big_v2"))
netxbig_v2_leds.dev.platform_data = &net5big_v2_leds_data;
platform_device_register(&netxbig_v2_leds);
}