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

/*
 * Copyright (c) 1996-2002 Russell King.
 */

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

#include <asm/ecard.h>

static const struct ide_port_info rapide_port_info = {
	.host_flags		= IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
	.chipset		= ide_generic,
};

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

	for (i = 0; i <= 7; i++) {
		hw->io_ports_array[i] = port;
		port += sz;
	}
	hw->io_ports.ctl_addr = (unsigned long)ctrl;
	hw->irq = irq;
}

static int rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
{
	void __iomem *base;
	struct ide_host *host;
	int ret;
	struct ide_hw hw, *hws[] = { &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;
	}

	memset(&hw, 0, sizeof(hw));
	rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
	hw.dev = &ec->dev;

	ret = ide_host_add(&rapide_port_info, hws, 1, &host);
	if (ret)
		goto release;

	ecard_set_drvdata(ec, host);
	goto out;

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

static void rapide_remove(struct expansion_card *ec)
{
	struct ide_host *host = ecard_get_drvdata(ec);

	ecard_set_drvdata(ec, NULL);

	ide_host_remove(host);

	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		= rapide_remove,
	.id_table	= rapide_ids,
	.drv = {
		.name	= "rapide",
	},
};

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

static void __exit rapide_exit(void)
{
	ecard_remove_driver(&rapide_driver);
}

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

module_init(rapide_init);
module_exit(rapide_exit);
Commit	Line	Data
	1	/*
	2	* Copyright (c) 1996-2002 Russell King.
	3	*/
	4
	5	#include <linux/module.h>
	6	#include <linux/blkdev.h>
	7	#include <linux/errno.h>
	8	#include <linux/ide.h>
	9	#include <linux/init.h>
	10
	11	#include <asm/ecard.h>
	12
	13	static const struct ide_port_info rapide_port_info = {
	14	.host_flags = IDE_HFLAG_MMIO \| IDE_HFLAG_NO_DMA,
	15	.chipset = ide_generic,
	16	};
	17
	18	static void rapide_setup_ports(struct ide_hw hw, void __iomem base,
	19	void __iomem *ctrl, unsigned int sz, int irq)
	20	{
	21	unsigned long port = (unsigned long)base;
	22	int i;
	23
	24	for (i = 0; i <= 7; i++) {
	25	hw->io_ports_array[i] = port;
	26	port += sz;
	27	}
	28	hw->io_ports.ctl_addr = (unsigned long)ctrl;
	29	hw->irq = irq;
	30	}
	31
	32	static int rapide_probe(struct expansion_card ec, const struct ecard_id id)
	33	{
	34	void __iomem *base;
	35	struct ide_host *host;
	36	int ret;
	37	struct ide_hw hw, *hws[] = { &hw };
	38
	39	ret = ecard_request_resources(ec);
	40	if (ret)
	41	goto out;
	42
	43	base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
	44	if (!base) {
	45	ret = -ENOMEM;
	46	goto release;
	47	}
	48
	49	memset(&hw, 0, sizeof(hw));
	50	rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
	51	hw.dev = &ec->dev;
	52
	53	ret = ide_host_add(&rapide_port_info, hws, 1, &host);
	54	if (ret)
	55	goto release;
	56
	57	ecard_set_drvdata(ec, host);
	58	goto out;
	59
	60	release:
	61	ecard_release_resources(ec);
	62	out:
	63	return ret;
	64	}
	65
	66	static void rapide_remove(struct expansion_card *ec)
	67	{
	68	struct ide_host *host = ecard_get_drvdata(ec);
	69
	70	ecard_set_drvdata(ec, NULL);
	71
	72	ide_host_remove(host);
	73
	74	ecard_release_resources(ec);
	75	}
	76
	77	static struct ecard_id rapide_ids[] = {
	78	{ MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
	79	{ 0xffff, 0xffff }
	80	};
	81
	82	static struct ecard_driver rapide_driver = {
	83	.probe = rapide_probe,
	84	.remove = rapide_remove,
	85	.id_table = rapide_ids,
	86	.drv = {
	87	.name = "rapide",
	88	},
	89	};
	90
	91	static int __init rapide_init(void)
	92	{
	93	return ecard_register_driver(&rapide_driver);
	94	}
	95
	96	static void __exit rapide_exit(void)
	97	{
	98	ecard_remove_driver(&rapide_driver);
	99	}
	100
	101	MODULE_LICENSE("GPL");
	102	MODULE_DESCRIPTION("Yellowstone RAPIDE driver");
	103
	104	module_init(rapide_init);
	105	module_exit(rapide_exit);