[deliverable/linux.git] / drivers / ide / arm / rapide.c

/*
 * linux/drivers/ide/arm/rapide.c
 *
 * Copyright (c) 1996-2002 Russell King.
 */

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
#include <linux/errno.h>
#include <linux/ide.h>
#include <linux/init.h>

#include <asm/ecard.h>

static void rapide_setup_ports(hw_regs_t *hw, void __iomem *base,
			       void __iomem *ctrl, unsigned int sz, int irq)
{
	unsigned long port = (unsigned long)base;
	int i;

	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
		hw->io_ports[i] = port;
		port += sz;
	}
	hw->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
	hw->irq = irq;
}

static int __devinit
rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
{
	ide_hwif_t *hwif;
	void __iomem *base;
	int ret;
	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
	hw_regs_t hw;

	ret = ecard_request_resources(ec);
	if (ret)
		goto out;

	base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
	if (!base) {
		ret = -ENOMEM;
		goto release;
	}

	hwif = ide_find_port((unsigned long)base);
	if (hwif) {
		memset(&hw, 0, sizeof(hw));
		rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
		hw.chipset = ide_generic;
		hw.dev = &ec->dev;

		ide_init_port_hw(hwif, &hw);

		hwif->mmio = 1;
		default_hwif_mmiops(hwif);

		idx[0] = hwif->index;

		ide_device_add(idx);

		ecard_set_drvdata(ec, hwif);
		goto out;
	}

 release:
	ecard_release_resources(ec);
 out:
	return ret;
}

static void __devexit rapide_remove(struct expansion_card *ec)
{
	ide_hwif_t *hwif = ecard_get_drvdata(ec);

	ecard_set_drvdata(ec, NULL);

	/* there must be a better way */
	ide_unregister(hwif - ide_hwifs);
	ecard_release_resources(ec);
}

static struct ecard_id rapide_ids[] = {
	{ MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
	{ 0xffff, 0xffff }
};

static struct ecard_driver rapide_driver = {
	.probe		= rapide_probe,
	.remove		= __devexit_p(rapide_remove),
	.id_table	= rapide_ids,
	.drv = {
		.name	= "rapide",
	},
};

static int __init rapide_init(void)
{
	return ecard_register_driver(&rapide_driver);
}

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Yellowstone RAPIDE driver");

module_init(rapide_init);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/drivers/ide/arm/rapide.c
	3	*
	4	* Copyright (c) 1996-2002 Russell King.
	5	*/
	6
	7	#include <linux/module.h>
	8	#include <linux/slab.h>
	9	#include <linux/blkdev.h>
	10	#include <linux/errno.h>
	11	#include <linux/ide.h>
	12	#include <linux/init.h>
	13
	14	#include <asm/ecard.h>
	15
57c802e8 BZ	16	static void rapide_setup_ports(hw_regs_t hw, void __iomem base,
57c802e8 BZ	17	void __iomem *ctrl, unsigned int sz, int irq)
1da177e4 LT	18	{
1da177e4 LT	19	unsigned long port = (unsigned long)base;
baa8f3e9	20	int i;
1da177e4	21
1da177e4	22	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
57c802e8	23	hw->io_ports[i] = port;
1da177e4 LT	24	port += sz;
1da177e4 LT	25	}
57c802e8 BZ	26	hw->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
57c802e8 BZ	27	hw->irq = irq;
1da177e4 LT	28	}
	29
	30	static int __devinit
	31	rapide_probe(struct expansion_card ec, const struct ecard_id id)
	32	{
	33	ide_hwif_t *hwif;
	34	void __iomem *base;
	35	int ret;
8447d9d5	36	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
57c802e8	37	hw_regs_t hw;
1da177e4 LT	38
	39	ret = ecard_request_resources(ec);
	40	if (ret)
	41	goto out;
	42
10bdaaa0	43	base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
1da177e4 LT	44	if (!base) {
	45	ret = -ENOMEM;
	46	goto release;
	47	}
	48
57c802e8	49	hwif = ide_find_port((unsigned long)base);
1da177e4	50	if (hwif) {
57c802e8 BZ	51	memset(&hw, 0, sizeof(hw));
	52	rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
	53	hw.chipset = ide_generic;
	54	hw.dev = &ec->dev;
	55
	56	ide_init_port_hw(hwif, &hw);
	57
	58	hwif->mmio = 1;
	59	default_hwif_mmiops(hwif);
	60
8447d9d5 BZ	61	idx[0] = hwif->index;
	62
	63	ide_device_add(idx);
	64
1da177e4 LT	65	ecard_set_drvdata(ec, hwif);
	66	goto out;
	67	}
	68
1da177e4 LT	69	release:
	70	ecard_release_resources(ec);
	71	out:
	72	return ret;
	73	}
	74
	75	static void __devexit rapide_remove(struct expansion_card *ec)
	76	{
	77	ide_hwif_t *hwif = ecard_get_drvdata(ec);
	78
	79	ecard_set_drvdata(ec, NULL);
	80
	81	/* there must be a better way */
	82	ide_unregister(hwif - ide_hwifs);
1da177e4 LT	83	ecard_release_resources(ec);
	84	}
	85
	86	static struct ecard_id rapide_ids[] = {
	87	{ MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
	88	{ 0xffff, 0xffff }
	89	};
	90
	91	static struct ecard_driver rapide_driver = {
	92	.probe = rapide_probe,
	93	.remove = __devexit_p(rapide_remove),
	94	.id_table = rapide_ids,
	95	.drv = {
	96	.name = "rapide",
	97	},
	98	};
	99
	100	static int __init rapide_init(void)
	101	{
	102	return ecard_register_driver(&rapide_driver);
	103	}
	104
	105	MODULE_LICENSE("GPL");
	106	MODULE_DESCRIPTION("Yellowstone RAPIDE driver");
	107
	108	module_init(rapide_init);