/*
 * 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) 2007 Ralf Baechle (ralf@linux-mips.org)
 */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/rtc/ds1685.h>

#include <asm/ip32/mace.h>
#include <asm/ip32/ip32_ints.h>

extern void ip32_prepare_poweroff(void);

#define MACEISA_SERIAL1_OFFS   offsetof(struct sgi_mace, isa.serial1)
#define MACEISA_SERIAL2_OFFS   offsetof(struct sgi_mace, isa.serial2)

#define MACE_PORT(offset,_irq)                                          \
{                                                                       \
        .mapbase        = MACE_BASE + offset,                           \
        .irq            = _irq,                                         \
        .uartclk        = 1843200,                                      \
        .iotype         = UPIO_MEM,                                     \
        .flags          = UPF_SKIP_TEST|UPF_IOREMAP,                    \
        .regshift       = 8,                                            \
}

static struct plat_serial8250_port uart8250_data[] = {
        MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ),
        MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ),
        { },
};

static struct platform_device uart8250_device = {
        .name                   = "serial8250",
        .id                     = PLAT8250_DEV_PLATFORM,
        .dev                    = {
                .platform_data  = uart8250_data,
        },
};

static int __init uart8250_init(void)
{
        return platform_device_register(&uart8250_device);
}

device_initcall(uart8250_init);

static __init int meth_devinit(void)
{
        struct platform_device *pd;
        int ret;

        pd = platform_device_alloc("meth", -1);
        if (!pd)
                return -ENOMEM;

        ret = platform_device_add(pd);
        if (ret)
                platform_device_put(pd);

        return ret;
}

device_initcall(meth_devinit);

static __init int sgio2audio_devinit(void)
{
        struct platform_device *pd;
        int ret;

        pd = platform_device_alloc("sgio2audio", -1);
        if (!pd)
                return -ENOMEM;

        ret = platform_device_add(pd);
        if (ret)
                platform_device_put(pd);

        return ret;
}

device_initcall(sgio2audio_devinit);

static __init int sgio2btns_devinit(void)
{
        return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0));
}

device_initcall(sgio2btns_devinit);

#define MACE_RTC_RES_START (MACE_BASE + offsetof(struct sgi_mace, isa.rtc))
#define MACE_RTC_RES_END (MACE_RTC_RES_START + 32767)

static struct resource ip32_rtc_resources[] = {
        {
                .start  = MACEISA_RTC_IRQ,
                .end    = MACEISA_RTC_IRQ,
                .flags  = IORESOURCE_IRQ
        }, {
                .start  = MACE_RTC_RES_START,
                .end    = MACE_RTC_RES_END,
                .flags  = IORESOURCE_MEM,
        }
};

/* RTC registers on IP32 are each padded by 256 bytes (0x100). */
static struct ds1685_rtc_platform_data
ip32_rtc_platform_data[] = {
        {
                .regstep = 0x100,
                .bcd_mode = true,
                .no_irq = false,
                .uie_unsupported = false,
                .access_type = ds1685_reg_direct,
                .plat_prepare_poweroff = ip32_prepare_poweroff,
        },
};

struct platform_device ip32_rtc_device = {
        .name                   = "rtc-ds1685",
        .id                     = -1,
        .dev                    = {
                .platform_data  = ip32_rtc_platform_data,
        },
        .num_resources          = ARRAY_SIZE(ip32_rtc_resources),
        .resource               = ip32_rtc_resources,
};

static __init int sgio2_rtc_devinit(void)
{
        return platform_device_register(&ip32_rtc_device);
}

device_initcall(sgio2_rtc_devinit);