2 * Synopsys DesignWare Multimedia Card Interface driver
4 * Copyright (C) 2009 NXP Semiconductors
5 * Copyright (C) 2009, 2010 Imagination Technologies Ltd.
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.
13 #include <linux/interrupt.h>
14 #include <linux/module.h>
16 #include <linux/irq.h>
17 #include <linux/platform_device.h>
18 #include <linux/slab.h>
19 #include <linux/mmc/host.h>
20 #include <linux/mmc/mmc.h>
21 #include <linux/mmc/dw_mmc.h>
24 static int dw_mci_pltfm_probe(struct platform_device
*pdev
)
27 struct resource
*regs
;
30 host
= kzalloc(sizeof(struct dw_mci
), GFP_KERNEL
);
34 regs
= platform_get_resource(pdev
, IORESOURCE_MEM
, 0);
40 host
->irq
= platform_get_irq(pdev
, 0);
46 host
->dev
= pdev
->dev
;
48 host
->pdata
= pdev
->dev
.platform_data
;
50 host
->regs
= ioremap(regs
->start
, resource_size(regs
));
53 platform_set_drvdata(pdev
, host
);
54 ret
= dw_mci_probe(host
);
65 static int __exit
dw_mci_pltfm_remove(struct platform_device
*pdev
)
67 struct dw_mci
*host
= platform_get_drvdata(pdev
);
69 platform_set_drvdata(pdev
, NULL
);
76 #ifdef CONFIG_PM_SLEEP
78 * TODO: we should probably disable the clock to the card in the suspend path.
80 static int dw_mci_pltfm_suspend(struct device
*dev
)
83 struct dw_mci
*host
= dev_get_drvdata(dev
);
85 ret
= dw_mci_suspend(host
);
92 static int dw_mci_pltfm_resume(struct device
*dev
)
95 struct dw_mci
*host
= dev_get_drvdata(dev
);
97 ret
= dw_mci_resume(host
);
104 #define dw_mci_pltfm_suspend NULL
105 #define dw_mci_pltfm_resume NULL
106 #endif /* CONFIG_PM_SLEEP */
108 static SIMPLE_DEV_PM_OPS(dw_mci_pltfm_pmops
, dw_mci_pltfm_suspend
, dw_mci_pltfm_resume
);
110 static struct platform_driver dw_mci_pltfm_driver
= {
111 .remove
= __exit_p(dw_mci_pltfm_remove
),
114 .pm
= &dw_mci_pltfm_pmops
,
118 static int __init
dw_mci_init(void)
120 return platform_driver_probe(&dw_mci_pltfm_driver
, dw_mci_pltfm_probe
);
123 static void __exit
dw_mci_exit(void)
125 platform_driver_unregister(&dw_mci_pltfm_driver
);
128 module_init(dw_mci_init
);
129 module_exit(dw_mci_exit
);
131 MODULE_DESCRIPTION("DW Multimedia Card Interface driver");
132 MODULE_AUTHOR("NXP Semiconductor VietNam");
133 MODULE_AUTHOR("Imagination Technologies Ltd");
134 MODULE_LICENSE("GPL v2");