/*
 * arch/arm/mach-kirkwood/d2net_v2-setup.c
 *
 * LaCie d2 Network Space 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.
 *
 * 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, MA  02111-1307  USA
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include <mach/leds-ns2.h>
#include "common.h"
#include "mpp.h"
#include "lacie_v2-common.h"

/*****************************************************************************
 * Ethernet
 ****************************************************************************/

static struct mv643xx_eth_platform_data d2net_v2_ge00_data = {
        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
};

/*****************************************************************************
 * SATA
 ****************************************************************************/

static struct mv_sata_platform_data d2net_v2_sata_data = {
        .n_ports        = 2,
};

/*****************************************************************************
 * GPIO keys
 ****************************************************************************/

#define D2NET_V2_GPIO_PUSH_BUTTON          34
#define D2NET_V2_GPIO_POWER_SWITCH_ON      13
#define D2NET_V2_GPIO_POWER_SWITCH_OFF     15

#define D2NET_V2_SWITCH_POWER_ON           0x1
#define D2NET_V2_SWITCH_POWER_OFF          0x2

static struct gpio_keys_button d2net_v2_buttons[] = {
        [0] = {
                .type           = EV_SW,
                .code           = D2NET_V2_SWITCH_POWER_ON,
                .gpio           = D2NET_V2_GPIO_POWER_SWITCH_ON,
                .desc           = "Back power switch (on|auto)",
                .active_low     = 0,
        },
        [1] = {
                .type           = EV_SW,
                .code           = D2NET_V2_SWITCH_POWER_OFF,
                .gpio           = D2NET_V2_GPIO_POWER_SWITCH_OFF,
                .desc           = "Back power switch (auto|off)",
                .active_low     = 0,
        },
        [2] = {
                .code           = KEY_POWER,
                .gpio           = D2NET_V2_GPIO_PUSH_BUTTON,
                .desc           = "Front Push Button",
                .active_low     = 1,
        },
};

static struct gpio_keys_platform_data d2net_v2_button_data = {
        .buttons        = d2net_v2_buttons,
        .nbuttons       = ARRAY_SIZE(d2net_v2_buttons),
};

static struct platform_device d2net_v2_gpio_buttons = {
        .name           = "gpio-keys",
        .id             = -1,
        .dev            = {
                .platform_data  = &d2net_v2_button_data,
        },
};

/*****************************************************************************
 * GPIO LEDs
 ****************************************************************************/

#define D2NET_V2_GPIO_RED_LED           12

static struct gpio_led d2net_v2_gpio_led_pins[] = {
        {
                .name   = "d2net_v2:red:fail",
                .gpio   = D2NET_V2_GPIO_RED_LED,
        },
};

static struct gpio_led_platform_data d2net_v2_gpio_leds_data = {
        .num_leds       = ARRAY_SIZE(d2net_v2_gpio_led_pins),
        .leds           = d2net_v2_gpio_led_pins,
};

static struct platform_device d2net_v2_gpio_leds = {
        .name           = "leds-gpio",
        .id             = -1,
        .dev            = {
                .platform_data  = &d2net_v2_gpio_leds_data,
        },
};

/*****************************************************************************
 * Dual-GPIO CPLD LEDs
 ****************************************************************************/

#define D2NET_V2_GPIO_BLUE_LED_SLOW     29
#define D2NET_V2_GPIO_BLUE_LED_CMD      30

static struct ns2_led d2net_v2_led_pins[] = {
        {
                .name   = "d2net_v2:blue:sata",
                .cmd    = D2NET_V2_GPIO_BLUE_LED_CMD,
                .slow   = D2NET_V2_GPIO_BLUE_LED_SLOW,
        },
};

static struct ns2_led_platform_data d2net_v2_leds_data = {
        .num_leds       = ARRAY_SIZE(d2net_v2_led_pins),
        .leds           = d2net_v2_led_pins,
};

static struct platform_device d2net_v2_leds = {
        .name           = "leds-ns2",
        .id             = -1,
        .dev            = {
                .platform_data  = &d2net_v2_leds_data,
        },
};

/*****************************************************************************
 * General Setup
 ****************************************************************************/

static unsigned int d2net_v2_mpp_config[] __initdata = {
        MPP0_SPI_SCn,
        MPP1_SPI_MOSI,
        MPP2_SPI_SCK,
        MPP3_SPI_MISO,
        MPP6_SYSRST_OUTn,
        MPP7_GPO,               /* Request power-off */
        MPP8_TW0_SDA,
        MPP9_TW0_SCK,
        MPP10_UART0_TXD,
        MPP11_UART0_RXD,
        MPP12_GPO,              /* Red led */
        MPP13_GPIO,             /* Rear power switch (on|auto) */
        MPP14_GPIO,             /* USB fuse */
        MPP15_GPIO,             /* Rear power switch (auto|off) */
        MPP16_GPIO,             /* SATA 0 power */
        MPP21_SATA0_ACTn,
        MPP24_GPIO,             /* USB mode select */
        MPP26_GPIO,             /* USB device vbus */
        MPP28_GPIO,             /* USB enable host vbus */
        MPP29_GPIO,             /* Blue led (slow register) */
        MPP30_GPIO,             /* Blue led (command register) */
        MPP34_GPIO,             /* Power button (1 = Released, 0 = Pushed) */
        MPP35_GPIO,             /* Inhibit power-off */
        0
};

#define D2NET_V2_GPIO_POWER_OFF         7

static void d2net_v2_power_off(void)
{
        gpio_set_value(D2NET_V2_GPIO_POWER_OFF, 1);
}

static void __init d2net_v2_init(void)
{
        /*
         * Basic setup. Needs to be called early.
         */
        kirkwood_init();
        kirkwood_mpp_conf(d2net_v2_mpp_config);

        lacie_v2_hdd_power_init(1);

        kirkwood_ehci_init();
        kirkwood_ge00_init(&d2net_v2_ge00_data);
        kirkwood_sata_init(&d2net_v2_sata_data);
        kirkwood_uart0_init();
        lacie_v2_register_flash();
        lacie_v2_register_i2c_devices();

        platform_device_register(&d2net_v2_leds);
        platform_device_register(&d2net_v2_gpio_leds);
        platform_device_register(&d2net_v2_gpio_buttons);

        if (gpio_request(D2NET_V2_GPIO_POWER_OFF, "power-off") == 0 &&
            gpio_direction_output(D2NET_V2_GPIO_POWER_OFF, 0) == 0)
                pm_power_off = d2net_v2_power_off;
        else
                pr_err("d2net_v2: failed to configure power-off GPIO\n");
}

MACHINE_START(D2NET_V2, "LaCie d2 Network v2")
        .boot_params    = 0x00000100,
        .init_machine   = d2net_v2_init,
        .map_io         = kirkwood_map_io,
        .init_irq       = kirkwood_init_irq,
        .timer          = &kirkwood_timer,
MACHINE_END