[deliverable/linux.git] / drivers / mmc / host / sh_mobile_sdhi.c

/*
 * SuperH Mobile SDHI
 *
 * Copyright (C) 2009 Magnus Damm
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Based on "Compaq ASIC3 support":
 *
 * Copyright 2001 Compaq Computer Corporation.
 * Copyright 2004-2005 Phil Blundell
 * Copyright 2007-2008 OpenedHand Ltd.
 *
 * Authors: Phil Blundell <pb@handhelds.org>,
 *	    Samuel Ortiz <sameo@openedhand.com>
 *
 */

#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mfd/tmio.h>
#include <linux/sh_dma.h>
#include <linux/delay.h>

#include "tmio_mmc.h"

struct sh_mobile_sdhi_of_data {
	unsigned long tmio_flags;
};

static const struct sh_mobile_sdhi_of_data sh_mobile_sdhi_of_cfg[] = {
	{
		.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
	},
};

struct sh_mobile_sdhi {
	struct clk *clk;
	struct tmio_mmc_data mmc_data;
	struct tmio_mmc_dma dma_priv;
};

static int sh_mobile_sdhi_clk_enable(struct platform_device *pdev, unsigned int *f)
{
	struct mmc_host *mmc = platform_get_drvdata(pdev);
	struct tmio_mmc_host *host = mmc_priv(mmc);
	struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
	int ret = clk_enable(priv->clk);
	if (ret < 0)
		return ret;

	*f = clk_get_rate(priv->clk);
	return 0;
}

static void sh_mobile_sdhi_clk_disable(struct platform_device *pdev)
{
	struct mmc_host *mmc = platform_get_drvdata(pdev);
	struct tmio_mmc_host *host = mmc_priv(mmc);
	struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
	clk_disable(priv->clk);
}

static int sh_mobile_sdhi_wait_idle(struct tmio_mmc_host *host)
{
	int timeout = 1000;

	while (--timeout && !(sd_ctrl_read16(host, CTL_STATUS2) & (1 << 13)))
		udelay(1);

	if (!timeout) {
		dev_warn(host->pdata->dev, "timeout waiting for SD bus idle\n");
		return -EBUSY;
	}

	return 0;
}

static int sh_mobile_sdhi_write16_hook(struct tmio_mmc_host *host, int addr)
{
	switch (addr)
	{
	case CTL_SD_CMD:
	case CTL_STOP_INTERNAL_ACTION:
	case CTL_XFER_BLK_COUNT:
	case CTL_SD_CARD_CLK_CTL:
	case CTL_SD_XFER_LEN:
	case CTL_SD_MEM_CARD_OPT:
	case CTL_TRANSACTION_CTL:
	case CTL_DMA_ENABLE:
		return sh_mobile_sdhi_wait_idle(host);
	}

	return 0;
}

static void sh_mobile_sdhi_cd_wakeup(const struct platform_device *pdev)
{
	mmc_detect_change(platform_get_drvdata(pdev), msecs_to_jiffies(100));
}

static const struct sh_mobile_sdhi_ops sdhi_ops = {
	.cd_wakeup = sh_mobile_sdhi_cd_wakeup,
};

static const struct of_device_id sh_mobile_sdhi_of_match[] = {
	{ .compatible = "renesas,sdhi-shmobile" },
	{ .compatible = "renesas,sdhi-sh7372" },
	{ .compatible = "renesas,sdhi-sh73a0", .data = &sh_mobile_sdhi_of_cfg[0], },
	{ .compatible = "renesas,sdhi-r8a73a4", .data = &sh_mobile_sdhi_of_cfg[0], },
	{ .compatible = "renesas,sdhi-r8a7740", .data = &sh_mobile_sdhi_of_cfg[0], },
	{ .compatible = "renesas,sdhi-r8a7778", .data = &sh_mobile_sdhi_of_cfg[0], },
	{ .compatible = "renesas,sdhi-r8a7779", .data = &sh_mobile_sdhi_of_cfg[0], },
	{ .compatible = "renesas,sdhi-r8a7790", .data = &sh_mobile_sdhi_of_cfg[0], },
	{},
};
MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match);

static int sh_mobile_sdhi_probe(struct platform_device *pdev)
{
	const struct of_device_id *of_id =
		of_match_device(sh_mobile_sdhi_of_match, &pdev->dev);
	struct sh_mobile_sdhi *priv;
	struct tmio_mmc_data *mmc_data;
	struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
	struct tmio_mmc_host *host;
	int irq, ret, i = 0;
	bool multiplexed_isr = true;
	struct tmio_mmc_dma *dma_priv;

	priv = devm_kzalloc(&pdev->dev, sizeof(struct sh_mobile_sdhi), GFP_KERNEL);
	if (priv == NULL) {
		dev_err(&pdev->dev, "kzalloc failed\n");
		return -ENOMEM;
	}

	mmc_data = &priv->mmc_data;
	dma_priv = &priv->dma_priv;

	if (p) {
		if (p->init) {
			ret = p->init(pdev, &sdhi_ops);
			if (ret)
				return ret;
		}
	}

	priv->clk = devm_clk_get(&pdev->dev, NULL);
	if (IS_ERR(priv->clk)) {
		ret = PTR_ERR(priv->clk);
		dev_err(&pdev->dev, "cannot get clock: %d\n", ret);
		goto eclkget;
	}

	mmc_data->clk_enable = sh_mobile_sdhi_clk_enable;
	mmc_data->clk_disable = sh_mobile_sdhi_clk_disable;
	mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
	mmc_data->write16_hook = sh_mobile_sdhi_write16_hook;
	if (p) {
		mmc_data->flags = p->tmio_flags;
		mmc_data->ocr_mask = p->tmio_ocr_mask;
		mmc_data->capabilities |= p->tmio_caps;
		mmc_data->capabilities2 |= p->tmio_caps2;
		mmc_data->cd_gpio = p->cd_gpio;

		if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0) {
			/*
			 * Yes, we have to provide slave IDs twice to TMIO:
			 * once as a filter parameter and once for channel
			 * configuration as an explicit slave ID
			 */
			dma_priv->chan_priv_tx = (void *)p->dma_slave_tx;
			dma_priv->chan_priv_rx = (void *)p->dma_slave_rx;
			dma_priv->slave_id_tx = p->dma_slave_tx;
			dma_priv->slave_id_rx = p->dma_slave_rx;
		}
	}

	dma_priv->alignment_shift = 1; /* 2-byte alignment */
	dma_priv->filter = shdma_chan_filter;

	mmc_data->dma = dma_priv;

	/*
	 * All SDHI blocks support 2-byte and larger block sizes in 4-bit
	 * bus width mode.
	 */
	mmc_data->flags |= TMIO_MMC_BLKSZ_2BYTES;

	/*
	 * All SDHI blocks support SDIO IRQ signalling.
	 */
	mmc_data->flags |= TMIO_MMC_SDIO_IRQ;

	if (of_id && of_id->data) {
		const struct sh_mobile_sdhi_of_data *of_data = of_id->data;
		mmc_data->flags |= of_data->tmio_flags;
	}

	ret = tmio_mmc_host_probe(&host, pdev, mmc_data);
	if (ret < 0)
		goto eprobe;

	/*
	 * Allow one or more specific (named) ISRs or
	 * one or more multiplexed (un-named) ISRs.
	 */

	irq = platform_get_irq_byname(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT);
	if (irq >= 0) {
		multiplexed_isr = false;
		ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_card_detect_irq, 0,
				  dev_name(&pdev->dev), host);
		if (ret)
			goto eirq;
	}

	irq = platform_get_irq_byname(pdev, SH_MOBILE_SDHI_IRQ_SDIO);
	if (irq >= 0) {
		multiplexed_isr = false;
		ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_sdio_irq, 0,
				  dev_name(&pdev->dev), host);
		if (ret)
			goto eirq;
	}

	irq = platform_get_irq_byname(pdev, SH_MOBILE_SDHI_IRQ_SDCARD);
	if (irq >= 0) {
		multiplexed_isr = false;
		ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_sdcard_irq, 0,
				  dev_name(&pdev->dev), host);
		if (ret)
			goto eirq;
	} else if (!multiplexed_isr) {
		dev_err(&pdev->dev,
			"Principal SD-card IRQ is missing among named interrupts\n");
		ret = irq;
		goto eirq;
	}

	if (multiplexed_isr) {
		while (1) {
			irq = platform_get_irq(pdev, i);
			if (irq < 0)
				break;
			i++;
			ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_irq, 0,
					  dev_name(&pdev->dev), host);
			if (ret)
				goto eirq;
		}

		/* There must be at least one IRQ source */
		if (!i) {
			ret = irq;
			goto eirq;
		}
	}

	dev_info(&pdev->dev, "%s base at 0x%08lx clock rate %u MHz\n",
		 mmc_hostname(host->mmc), (unsigned long)
		 (platform_get_resource(pdev, IORESOURCE_MEM, 0)->start),
		 host->mmc->f_max / 1000000);

	return ret;

eirq:
	tmio_mmc_host_remove(host);
eprobe:
eclkget:
	if (p && p->cleanup)
		p->cleanup(pdev);
	return ret;
}

static int sh_mobile_sdhi_remove(struct platform_device *pdev)
{
	struct mmc_host *mmc = platform_get_drvdata(pdev);
	struct tmio_mmc_host *host = mmc_priv(mmc);
	struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;

	tmio_mmc_host_remove(host);

	if (p && p->cleanup)
		p->cleanup(pdev);

	return 0;
}

static const struct dev_pm_ops tmio_mmc_dev_pm_ops = {
	.suspend = tmio_mmc_host_suspend,
	.resume = tmio_mmc_host_resume,
	.runtime_suspend = tmio_mmc_host_runtime_suspend,
	.runtime_resume = tmio_mmc_host_runtime_resume,
};

static struct platform_driver sh_mobile_sdhi_driver = {
	.driver		= {
		.name	= "sh_mobile_sdhi",
		.owner	= THIS_MODULE,
		.pm	= &tmio_mmc_dev_pm_ops,
		.of_match_table = sh_mobile_sdhi_of_match,
	},
	.probe		= sh_mobile_sdhi_probe,
	.remove		= sh_mobile_sdhi_remove,
};

module_platform_driver(sh_mobile_sdhi_driver);

MODULE_DESCRIPTION("SuperH Mobile SDHI driver");
MODULE_AUTHOR("Magnus Damm");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:sh_mobile_sdhi");
Commit	Line	Data
a87d5638 MD	1	/*
	2	* SuperH Mobile SDHI
	3	*
	4	* Copyright (C) 2009 Magnus Damm
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	* Based on "Compaq ASIC3 support":
	11	*
	12	* Copyright 2001 Compaq Computer Corporation.
	13	* Copyright 2004-2005 Phil Blundell
	14	* Copyright 2007-2008 OpenedHand Ltd.
	15	*
	16	* Authors: Phil Blundell <pb@handhelds.org>,
	17	* Samuel Ortiz <sameo@openedhand.com>
	18	*
	19	*/
	20
	21	#include <linux/kernel.h>
	22	#include <linux/clk.h>
5a0e3ad6	23	#include <linux/slab.h>
c7bb4487	24	#include <linux/mod_devicetable.h>
88b47679	25	#include <linux/module.h>
5a00a971	26	#include <linux/of_device.h>
a87d5638	27	#include <linux/platform_device.h>
3c49e810	28	#include <linux/mmc/host.h>
42051e8a	29	#include <linux/mmc/sh_mobile_sdhi.h>
a87d5638	30	#include <linux/mfd/tmio.h>
056676da	31	#include <linux/sh_dma.h>
973ed3af	32	#include <linux/delay.h>
a87d5638	33
42051e8a GL	34	#include "tmio_mmc.h"
42051e8a GL	35
5a00a971 GL	36	struct sh_mobile_sdhi_of_data {
	37	unsigned long tmio_flags;
	38	};
	39
	40	static const struct sh_mobile_sdhi_of_data sh_mobile_sdhi_of_cfg[] = {
	41	{
	42	.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
	43	},
	44	};
	45
a87d5638 MD	46	struct sh_mobile_sdhi {
	47	struct clk *clk;
	48	struct tmio_mmc_data mmc_data;
056676da	49	struct tmio_mmc_dma dma_priv;
a87d5638 MD	50	};
a87d5638 MD	51
56c49287 GL	52	static int sh_mobile_sdhi_clk_enable(struct platform_device pdev, unsigned int f)
56c49287 GL	53	{
6e2c0f3f	54	struct mmc_host *mmc = platform_get_drvdata(pdev);
56c49287 GL	55	struct tmio_mmc_host *host = mmc_priv(mmc);
	56	struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
	57	int ret = clk_enable(priv->clk);
	58	if (ret < 0)
	59	return ret;
	60
	61	*f = clk_get_rate(priv->clk);
	62	return 0;
	63	}
	64
	65	static void sh_mobile_sdhi_clk_disable(struct platform_device *pdev)
	66	{
6e2c0f3f	67	struct mmc_host *mmc = platform_get_drvdata(pdev);
56c49287 GL	68	struct tmio_mmc_host *host = mmc_priv(mmc);
	69	struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
	70	clk_disable(priv->clk);
	71	}
	72
973ed3af SH	73	static int sh_mobile_sdhi_wait_idle(struct tmio_mmc_host *host)
	74	{
	75	int timeout = 1000;
	76
	77	while (--timeout && !(sd_ctrl_read16(host, CTL_STATUS2) & (1 << 13)))
	78	udelay(1);
	79
	80	if (!timeout) {
	81	dev_warn(host->pdata->dev, "timeout waiting for SD bus idle\n");
	82	return -EBUSY;
	83	}
	84
	85	return 0;
	86	}
	87
	88	static int sh_mobile_sdhi_write16_hook(struct tmio_mmc_host *host, int addr)
	89	{
	90	switch (addr)
	91	{
	92	case CTL_SD_CMD:
	93	case CTL_STOP_INTERNAL_ACTION:
	94	case CTL_XFER_BLK_COUNT:
	95	case CTL_SD_CARD_CLK_CTL:
	96	case CTL_SD_XFER_LEN:
	97	case CTL_SD_MEM_CARD_OPT:
	98	case CTL_TRANSACTION_CTL:
	99	case CTL_DMA_ENABLE:
	100	return sh_mobile_sdhi_wait_idle(host);
	101	}
	102
	103	return 0;
	104	}
	105
7f524217 GL	106	static void sh_mobile_sdhi_cd_wakeup(const struct platform_device *pdev)
7f524217 GL	107	{
6e2c0f3f	108	mmc_detect_change(platform_get_drvdata(pdev), msecs_to_jiffies(100));
7f524217 GL	109	}
	110
	111	static const struct sh_mobile_sdhi_ops sdhi_ops = {
	112	.cd_wakeup = sh_mobile_sdhi_cd_wakeup,
	113	};
	114
5a00a971	115	static const struct of_device_id sh_mobile_sdhi_of_match[] = {
df1d0584 GL	116	{ .compatible = "renesas,sdhi-shmobile" },
	117	{ .compatible = "renesas,sdhi-sh7372" },
	118	{ .compatible = "renesas,sdhi-sh73a0", .data = &sh_mobile_sdhi_of_cfg[0], },
	119	{ .compatible = "renesas,sdhi-r8a73a4", .data = &sh_mobile_sdhi_of_cfg[0], },
	120	{ .compatible = "renesas,sdhi-r8a7740", .data = &sh_mobile_sdhi_of_cfg[0], },
	121	{ .compatible = "renesas,sdhi-r8a7778", .data = &sh_mobile_sdhi_of_cfg[0], },
	122	{ .compatible = "renesas,sdhi-r8a7779", .data = &sh_mobile_sdhi_of_cfg[0], },
	123	{ .compatible = "renesas,sdhi-r8a7790", .data = &sh_mobile_sdhi_of_cfg[0], },
5a00a971 GL	124	{},
	125	};
	126	MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match);
	127
c3be1efd	128	static int sh_mobile_sdhi_probe(struct platform_device *pdev)
a87d5638	129	{
5a00a971 GL	130	const struct of_device_id *of_id =
5a00a971 GL	131	of_match_device(sh_mobile_sdhi_of_match, &pdev->dev);
a87d5638	132	struct sh_mobile_sdhi *priv;
056676da GL	133	struct tmio_mmc_data *mmc_data;
056676da GL	134	struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
42051e8a	135	struct tmio_mmc_host *host;
d5098cb6 SH	136	int irq, ret, i = 0;
d5098cb6 SH	137	bool multiplexed_isr = true;
87ae7bbe	138	struct tmio_mmc_dma *dma_priv;
a87d5638	139
ac51b961	140	priv = devm_kzalloc(&pdev->dev, sizeof(struct sh_mobile_sdhi), GFP_KERNEL);
a87d5638 MD	141	if (priv == NULL) {
	142	dev_err(&pdev->dev, "kzalloc failed\n");
	143	return -ENOMEM;
	144	}
	145
056676da	146	mmc_data = &priv->mmc_data;
87ae7bbe	147	dma_priv = &priv->dma_priv;
056676da	148
c7bb4487	149	if (p) {
c7bb4487 GL	150	if (p->init) {
	151	ret = p->init(pdev, &sdhi_ops);
	152	if (ret)
ac51b961	153	return ret;
c7bb4487	154	}
e82b4ac9 BH	155	}
e82b4ac9 BH	156
ac51b961	157	priv->clk = devm_clk_get(&pdev->dev, NULL);
a87d5638	158	if (IS_ERR(priv->clk)) {
a87d5638	159	ret = PTR_ERR(priv->clk);
56ae1adc	160	dev_err(&pdev->dev, "cannot get clock: %d\n", ret);
42051e8a	161	goto eclkget;
a87d5638 MD	162	}
a87d5638 MD	163
56c49287 GL	164	mmc_data->clk_enable = sh_mobile_sdhi_clk_enable;
56c49287 GL	165	mmc_data->clk_disable = sh_mobile_sdhi_clk_disable;
056676da	166	mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
7b952137	167	mmc_data->write16_hook = sh_mobile_sdhi_write16_hook;
bb0fe533	168	if (p) {
f87c20a9	169	mmc_data->flags = p->tmio_flags;
bb0fe533	170	mmc_data->ocr_mask = p->tmio_ocr_mask;
998283e2	171	mmc_data->capabilities \|= p->tmio_caps;
d7d8d500	172	mmc_data->capabilities2 \|= p->tmio_caps2;
58126c87	173	mmc_data->cd_gpio = p->cd_gpio;
42051e8a	174
3e713373	175	if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0) {
eec95ee2 GL	176	/*
	177	* Yes, we have to provide slave IDs twice to TMIO:
	178	* once as a filter parameter and once for channel
	179	* configuration as an explicit slave ID
	180	*/
	181	dma_priv->chan_priv_tx = (void *)p->dma_slave_tx;
	182	dma_priv->chan_priv_rx = (void *)p->dma_slave_rx;
	183	dma_priv->slave_id_tx = p->dma_slave_tx;
	184	dma_priv->slave_id_rx = p->dma_slave_rx;
42051e8a	185	}
bb0fe533	186	}
056676da	187
87ae7bbe GL	188	dma_priv->alignment_shift = 1; /* 2-byte alignment */
	189	dma_priv->filter = shdma_chan_filter;
	190
	191	mmc_data->dma = dma_priv;
	192
f1334fb3 YG	193	/*
	194	* All SDHI blocks support 2-byte and larger block sizes in 4-bit
	195	* bus width mode.
	196	*/
	197	mmc_data->flags \|= TMIO_MMC_BLKSZ_2BYTES;
	198
23b66071 AH	199	/*
	200	* All SDHI blocks support SDIO IRQ signalling.
	201	*/
	202	mmc_data->flags \|= TMIO_MMC_SDIO_IRQ;
	203
5a00a971 GL	204	if (of_id && of_id->data) {
	205	const struct sh_mobile_sdhi_of_data *of_data = of_id->data;
	206	mmc_data->flags \|= of_data->tmio_flags;
	207	}
	208
42051e8a GL	209	ret = tmio_mmc_host_probe(&host, pdev, mmc_data);
	210	if (ret < 0)
	211	goto eprobe;
a87d5638	212
d5098cb6 SH	213	/*
	214	* Allow one or more specific (named) ISRs or
	215	* one or more multiplexed (un-named) ISRs.
	216	*/
	217
	218	irq = platform_get_irq_byname(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT);
	219	if (irq >= 0) {
	220	multiplexed_isr = false;
ac51b961	221	ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_card_detect_irq, 0,
d5098cb6 SH	222	dev_name(&pdev->dev), host);
d5098cb6 SH	223	if (ret)
ac51b961	224	goto eirq;
d5098cb6 SH	225	}
	226
	227	irq = platform_get_irq_byname(pdev, SH_MOBILE_SDHI_IRQ_SDIO);
	228	if (irq >= 0) {
	229	multiplexed_isr = false;
ac51b961	230	ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_sdio_irq, 0,
d5098cb6 SH	231	dev_name(&pdev->dev), host);
d5098cb6 SH	232	if (ret)
ac51b961	233	goto eirq;
d5098cb6 SH	234	}
	235
	236	irq = platform_get_irq_byname(pdev, SH_MOBILE_SDHI_IRQ_SDCARD);
	237	if (irq >= 0) {
	238	multiplexed_isr = false;
ac51b961	239	ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_sdcard_irq, 0,
d6a1f863	240	dev_name(&pdev->dev), host);
d5098cb6	241	if (ret)
ac51b961	242	goto eirq;
d5098cb6 SH	243	} else if (!multiplexed_isr) {
	244	dev_err(&pdev->dev,
	245	"Principal SD-card IRQ is missing among named interrupts\n");
	246	ret = irq;
ac51b961	247	goto eirq;
d5098cb6 SH	248	}
	249
	250	if (multiplexed_isr) {
	251	while (1) {
	252	irq = platform_get_irq(pdev, i);
	253	if (irq < 0)
	254	break;
	255	i++;
ac51b961	256	ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_irq, 0,
d5098cb6 SH	257	dev_name(&pdev->dev), host);
d5098cb6 SH	258	if (ret)
ac51b961	259	goto eirq;
d6a1f863	260	}
d5098cb6 SH	261
d5098cb6 SH	262	/* There must be at least one IRQ source */
7913ae7d WY	263	if (!i) {
7913ae7d WY	264	ret = irq;
ac51b961	265	goto eirq;
7913ae7d	266	}
8e7bfdb3	267	}
d5098cb6	268
1f7d6819 MD	269	dev_info(&pdev->dev, "%s base at 0x%08lx clock rate %u MHz\n",
1f7d6819 MD	270	mmc_hostname(host->mmc), (unsigned long)
58126c87	271	(platform_get_resource(pdev, IORESOURCE_MEM, 0)->start),
369213bd	272	host->mmc->f_max / 1000000);
a87d5638	273
42051e8a	274	return ret;
a87d5638	275
ac51b961	276	eirq:
8e7bfdb3	277	tmio_mmc_host_remove(host);
42051e8a	278	eprobe:
42051e8a	279	eclkget:
c7bb4487	280	if (p && p->cleanup)
e82b4ac9	281	p->cleanup(pdev);
a87d5638 MD	282	return ret;
	283	}
	284
	285	static int sh_mobile_sdhi_remove(struct platform_device *pdev)
	286	{
42051e8a GL	287	struct mmc_host *mmc = platform_get_drvdata(pdev);
42051e8a GL	288	struct tmio_mmc_host *host = mmc_priv(mmc);
25958804	289	struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
d6a1f863	290
742a0c7c GL	291	tmio_mmc_host_remove(host);
742a0c7c GL	292
c7bb4487	293	if (p && p->cleanup)
e82b4ac9 BH	294	p->cleanup(pdev);
e82b4ac9 BH	295
a87d5638 MD	296	return 0;
	297	}
	298
e6ee7182 GL	299	static const struct dev_pm_ops tmio_mmc_dev_pm_ops = {
	300	.suspend = tmio_mmc_host_suspend,
	301	.resume = tmio_mmc_host_resume,
25958804 GL	302	.runtime_suspend = tmio_mmc_host_runtime_suspend,
25958804 GL	303	.runtime_resume = tmio_mmc_host_runtime_resume,
e6ee7182 GL	304	};
e6ee7182 GL	305
a87d5638 MD	306	static struct platform_driver sh_mobile_sdhi_driver = {
	307	.driver = {
	308	.name = "sh_mobile_sdhi",
	309	.owner = THIS_MODULE,
e6ee7182	310	.pm = &tmio_mmc_dev_pm_ops,
c7bb4487	311	.of_match_table = sh_mobile_sdhi_of_match,
a87d5638 MD	312	},
a87d5638 MD	313	.probe = sh_mobile_sdhi_probe,
0433c143	314	.remove = sh_mobile_sdhi_remove,
a87d5638 MD	315	};
a87d5638 MD	316
d1f81a64	317	module_platform_driver(sh_mobile_sdhi_driver);
a87d5638 MD	318
	319	MODULE_DESCRIPTION("SuperH Mobile SDHI driver");
	320	MODULE_AUTHOR("Magnus Damm");
	321	MODULE_LICENSE("GPL v2");
42051e8a	322	MODULE_ALIAS("platform:sh_mobile_sdhi");