/* arch/arm/mach-omap2/board-espresso-sdio.c
 *
 * Copyright (C) 2011 Samsung Electronics Co, Ltd.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * 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/gpio.h>
#include <linux/i2c/twl.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>

#include <plat/irqs.h>
#include <plat/mmc.h>

#include "hsmmc.h"
#include "board-espresso.h"

static struct omap2_hsmmc_info espresso_mmc_info[] = {
	{
		.mmc		= 2,
		.nonremovable	= true,
		.caps		= MMC_CAP_8_BIT_DATA
				| MMC_CAP_1_8V_DDR | MMC_CAP_UHS_DDR50,
		.ocr_mask	= MMC_VDD_165_195,
		.gpio_wp	= -EINVAL,
		.gpio_cd	= -EINVAL,
	},
	{
		.mmc		= 1,
		.caps		= MMC_CAP_8_BIT_DATA,
		.gpio_wp	= -EINVAL,
		.gpio_cd	= -EINVAL,
	},
	{
		.name		= "omap_wlan",
		.mmc		= 5,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_wp	= -EINVAL,
		.gpio_cd	= -EINVAL,
		.ocr_mask	= MMC_VDD_165_195 | MMC_VDD_20_21,
		.nonremovable	= false,
		.mmc_data	= &espresso_wifi_data,
	},
	{}	/* Terminator */
};

static int espresso_hsmmc_late_init(struct device *dev)
{
	int ret = 0;
	struct platform_device *pdev =
		container_of(dev, struct platform_device, dev);
	struct omap_mmc_platform_data *pdata = dev->platform_data;

	/* Setting MMC1 Card detect IRQ */
	if (pdev->id == 0) {
		ret = twl6030_mmc_card_detect_config();
		if (ret)
			pr_err("%s: failed configuring MMC1 card detect\n", __func__);
		pdata->slots[0].card_detect_irq =
			TWL6030_IRQ_BASE + MMCDETECT_INTR_OFFSET;
		pdata->slots[0].card_detect = twl6030_mmc_card_detect;
	}

	return ret;
}

static void __init espresso_hsmmc_set_late_init(struct device *dev)
{
	struct omap_mmc_platform_data *pdata;

	/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
	if (!dev) {
		pr_err("%s: failed!\n", __func__);
		return;
	}

	pdata = dev->platform_data;
	pdata->init = espresso_hsmmc_late_init;
}

static void __init espresso_hsmmc_init(struct omap2_hsmmc_info *controllers)
{
	struct omap2_hsmmc_info *c;

	omap2_hsmmc_init(controllers);
	for (c = controllers; c->mmc; c++)
		espresso_hsmmc_set_late_init(c->dev);
}

void __init omap4_espresso_sdio_init(void)
{
	espresso_hsmmc_init(espresso_mmc_info);
}