[mirror_ubuntu-bionic-kernel.git] / drivers / mmc / host / dw_mmc-pltfm.c

/*
 * Synopsys DesignWare Multimedia Card Interface driver
 *
 * Copyright (C) 2009 NXP Semiconductors
 * Copyright (C) 2009, 2010 Imagination Technologies Ltd.
 *
 * 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.
 */

#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
#include <linux/of.h>
#include <linux/clk.h>

#include "dw_mmc.h"
#include "dw_mmc-pltfm.h"

int dw_mci_pltfm_register(struct platform_device *pdev,
			  const struct dw_mci_drv_data *drv_data)
{
	struct dw_mci *host;
	struct resource	*regs;

	host = devm_kzalloc(&pdev->dev, sizeof(struct dw_mci), GFP_KERNEL);
	if (!host)
		return -ENOMEM;

	host->irq = platform_get_irq(pdev, 0);
	if (host->irq < 0)
		return host->irq;

	host->drv_data = drv_data;
	host->dev = &pdev->dev;
	host->irq_flags = 0;
	host->pdata = pdev->dev.platform_data;

	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	host->regs = devm_ioremap_resource(&pdev->dev, regs);
	if (IS_ERR(host->regs))
		return PTR_ERR(host->regs);

	/* Get registers' physical base address */
	host->phy_regs = regs->start;

	platform_set_drvdata(pdev, host);
	return dw_mci_probe(host);
}
EXPORT_SYMBOL_GPL(dw_mci_pltfm_register);

const struct dev_pm_ops dw_mci_pltfm_pmops = {
	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
				pm_runtime_force_resume)
	SET_RUNTIME_PM_OPS(dw_mci_runtime_suspend,
			   dw_mci_runtime_resume,
			   NULL)
};
EXPORT_SYMBOL_GPL(dw_mci_pltfm_pmops);

static const struct of_device_id dw_mci_pltfm_match[] = {
	{ .compatible = "snps,dw-mshc", },
	{ .compatible = "altr,socfpga-dw-mshc", },
	{ .compatible = "img,pistachio-dw-mshc", },
	{},
};
MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);

static int dw_mci_pltfm_probe(struct platform_device *pdev)
{
	const struct dw_mci_drv_data *drv_data = NULL;
	const struct of_device_id *match;

	if (pdev->dev.of_node) {
		match = of_match_node(dw_mci_pltfm_match, pdev->dev.of_node);
		drv_data = match->data;
	}

	return dw_mci_pltfm_register(pdev, drv_data);
}

int dw_mci_pltfm_remove(struct platform_device *pdev)
{
	struct dw_mci *host = platform_get_drvdata(pdev);

	dw_mci_remove(host);
	return 0;
}
EXPORT_SYMBOL_GPL(dw_mci_pltfm_remove);

static struct platform_driver dw_mci_pltfm_driver = {
	.probe		= dw_mci_pltfm_probe,
	.remove		= dw_mci_pltfm_remove,
	.driver		= {
		.name		= "dw_mmc",
		.of_match_table	= dw_mci_pltfm_match,
		.pm		= &dw_mci_pltfm_pmops,
	},
};

module_platform_driver(dw_mci_pltfm_driver);

MODULE_DESCRIPTION("DW Multimedia Card Interface driver");
MODULE_AUTHOR("NXP Semiconductor VietNam");
MODULE_AUTHOR("Imagination Technologies Ltd");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
62ca8034 SH	1	/*
	2	* Synopsys DesignWare Multimedia Card Interface driver
	3	*
	4	* Copyright (C) 2009 NXP Semiconductors
	5	* Copyright (C) 2009, 2010 Imagination Technologies Ltd.
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*/
	12
a3e2cd7f	13	#include <linux/err.h>
62ca8034 SH	14	#include <linux/interrupt.h>
	15	#include <linux/module.h>
	16	#include <linux/io.h>
	17	#include <linux/irq.h>
	18	#include <linux/platform_device.h>
ee2112be	19	#include <linux/pm_runtime.h>
62ca8034 SH	20	#include <linux/slab.h>
	21	#include <linux/mmc/host.h>
	22	#include <linux/mmc/mmc.h>
c91eab4b	23	#include <linux/of.h>
f629ba2c	24	#include <linux/clk.h>
c91eab4b	25
62ca8034	26	#include "dw_mmc.h"
7725a52c	27	#include "dw_mmc-pltfm.h"
62ca8034	28
800d78bf	29	int dw_mci_pltfm_register(struct platform_device *pdev,
bcc87666	30	const struct dw_mci_drv_data *drv_data)
62ca8034 SH	31	{
	32	struct dw_mci *host;
	33	struct resource *regs;
62ca8034	34
bb8bdc77	35	host = devm_kzalloc(&pdev->dev, sizeof(struct dw_mci), GFP_KERNEL);
62ca8034 SH	36	if (!host)
	37	return -ENOMEM;
	38
62ca8034	39	host->irq = platform_get_irq(pdev, 0);
bb8bdc77 TA	40	if (host->irq < 0)
bb8bdc77 TA	41	return host->irq;
62ca8034	42
800d78bf	43	host->drv_data = drv_data;
4a90920c	44	host->dev = &pdev->dev;
62ca8034 SH	45	host->irq_flags = 0;
62ca8034 SH	46	host->pdata = pdev->dev.platform_data;
bcc87666 AS	47
bcc87666 AS	48	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
a3e2cd7f TR	49	host->regs = devm_ioremap_resource(&pdev->dev, regs);
	50	if (IS_ERR(host->regs))
	51	return PTR_ERR(host->regs);
bb8bdc77	52
45c7a490 JC	53	/* Get registers' physical base address */
	54	host->phy_regs = regs->start;
	55
62ca8034	56	platform_set_drvdata(pdev, host);
dd369800	57	return dw_mci_probe(host);
62ca8034	58	}
17403f23 TA	59	EXPORT_SYMBOL_GPL(dw_mci_pltfm_register);
17403f23 TA	60
ee2112be SL	61	const struct dev_pm_ops dw_mci_pltfm_pmops = {
	62	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
	63	pm_runtime_force_resume)
	64	SET_RUNTIME_PM_OPS(dw_mci_runtime_suspend,
	65	dw_mci_runtime_resume,
	66	NULL)
	67	};
17403f23	68	EXPORT_SYMBOL_GPL(dw_mci_pltfm_pmops);
62ca8034	69
c91eab4b TA	70	static const struct of_device_id dw_mci_pltfm_match[] = {
c91eab4b TA	71	{ .compatible = "snps,dw-mshc", },
aaaaeb7a JC	72	{ .compatible = "altr,socfpga-dw-mshc", },
aaaaeb7a JC	73	{ .compatible = "img,pistachio-dw-mshc", },
c91eab4b TA	74	{},
	75	};
	76	MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
	77
b177a530 HS	78	static int dw_mci_pltfm_probe(struct platform_device *pdev)
b177a530 HS	79	{
c73e41c8 HS	80	const struct dw_mci_drv_data *drv_data = NULL;
	81	const struct of_device_id *match;
	82
	83	if (pdev->dev.of_node) {
	84	match = of_match_node(dw_mci_pltfm_match, pdev->dev.of_node);
	85	drv_data = match->data;
	86	}
	87
	88	return dw_mci_pltfm_register(pdev, drv_data);
b177a530 HS	89	}
	90
	91	int dw_mci_pltfm_remove(struct platform_device *pdev)
	92	{
	93	struct dw_mci *host = platform_get_drvdata(pdev);
	94
	95	dw_mci_remove(host);
	96	return 0;
	97	}
	98	EXPORT_SYMBOL_GPL(dw_mci_pltfm_remove);
	99
62ca8034	100	static struct platform_driver dw_mci_pltfm_driver = {
49480cf2	101	.probe = dw_mci_pltfm_probe,
4e608e4e	102	.remove = dw_mci_pltfm_remove,
62ca8034 SH	103	.driver = {
62ca8034 SH	104	.name = "dw_mmc",
cf109bc0	105	.of_match_table = dw_mci_pltfm_match,
62ca8034 SH	106	.pm = &dw_mci_pltfm_pmops,
	107	},
	108	};
	109
49480cf2	110	module_platform_driver(dw_mci_pltfm_driver);
62ca8034 SH	111
	112	MODULE_DESCRIPTION("DW Multimedia Card Interface driver");
	113	MODULE_AUTHOR("NXP Semiconductor VietNam");
	114	MODULE_AUTHOR("Imagination Technologies Ltd");
	115	MODULE_LICENSE("GPL v2");