[net-next-2.6.git] / drivers / ata / pata_netcell.c

/*
 *    pata_netcell.c - Netcell PATA driver
 *
 *	(c) 2006 Red Hat
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
#include <linux/ata.h>

#define DRV_NAME	"pata_netcell"
#define DRV_VERSION	"0.1.7"

/* No PIO or DMA methods needed for this device */

static unsigned int netcell_read_id(struct ata_device *adev,
					struct ata_taskfile *tf, u16 *id)
{
	unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
	/* Firmware forgets to mark words 85-87 valid */
	if (err_mask == 0)
		id[ATA_ID_CSF_DEFAULT] |= 0x4000;
	return err_mask;
}

static struct scsi_host_template netcell_sht = {
	ATA_BMDMA_SHT(DRV_NAME),
};

static struct ata_port_operations netcell_ops = {
	.inherits	= &ata_bmdma_port_ops,
	.cable_detect	= ata_cable_80wire,
	.read_id	= netcell_read_id,
};


/**
 *	netcell_init_one - Register Netcell ATA PCI device with kernel services
 *	@pdev: PCI device to register
 *	@ent: Entry in netcell_pci_tbl matching with @pdev
 *
 *	Called from kernel PCI layer.
 *
 *	LOCKING:
 *	Inherited from PCI layer (may sleep).
 *
 *	RETURNS:
 *	Zero on success, or -ERRNO value.
 */

static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
	static int printed_version;
	static const struct ata_port_info info = {
		.flags		= ATA_FLAG_SLAVE_POSS,
		/* Actually we don't really care about these as the
		   firmware deals with it */
		.pio_mask	= ATA_PIO4,
		.mwdma_mask	= ATA_MWDMA2,
		.udma_mask 	= ATA_UDMA5, /* UDMA 133 */
		.port_ops	= &netcell_ops,
	};
	const struct ata_port_info *port_info[] = { &info, NULL };
	int rc;

	if (!printed_version++)
		dev_printk(KERN_DEBUG, &pdev->dev,
			   "version " DRV_VERSION "\n");

	rc = pcim_enable_device(pdev);
	if (rc)
		return rc;

	/* Any chip specific setup/optimisation/messages here */
	ata_pci_bmdma_clear_simplex(pdev);

	/* And let the library code do the work */
	return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0);
}

static const struct pci_device_id netcell_pci_tbl[] = {
	{ PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },

	{ }	/* terminate list */
};

static struct pci_driver netcell_pci_driver = {
	.name			= DRV_NAME,
	.id_table		= netcell_pci_tbl,
	.probe			= netcell_init_one,
	.remove			= ata_pci_remove_one,
#ifdef CONFIG_PM
	.suspend		= ata_pci_device_suspend,
	.resume			= ata_pci_device_resume,
#endif
};

static int __init netcell_init(void)
{
	return pci_register_driver(&netcell_pci_driver);
}

static void __exit netcell_exit(void)
{
	pci_unregister_driver(&netcell_pci_driver);
}

module_init(netcell_init);
module_exit(netcell_exit);

MODULE_AUTHOR("Alan Cox");
MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
MODULE_VERSION(DRV_VERSION);
Commit	Line	Data
669a5db4 JG	1	/*
	2	* pata_netcell.c - Netcell PATA driver
	3	*
ab771630	4	* (c) 2006 Red Hat
669a5db4 JG	5	*/
	6
	7	#include <linux/kernel.h>
	8	#include <linux/module.h>
	9	#include <linux/pci.h>
	10	#include <linux/init.h>
	11	#include <linux/blkdev.h>
	12	#include <linux/delay.h>
	13	#include <linux/device.h>
	14	#include <scsi/scsi_host.h>
	15	#include <linux/libata.h>
	16	#include <linux/ata.h>
	17
	18	#define DRV_NAME "pata_netcell"
3b4ba591	19	#define DRV_VERSION "0.1.7"
669a5db4 JG	20
	21	/* No PIO or DMA methods needed for this device */
	22
d3ae33ef AC	23	static unsigned int netcell_read_id(struct ata_device *adev,
	24	struct ata_taskfile tf, u16 id)
	25	{
	26	unsigned int err_mask = ata_do_dev_read_id(adev, tf, id);
	27	/* Firmware forgets to mark words 85-87 valid */
	28	if (err_mask == 0)
5284c6b9	29	id[ATA_ID_CSF_DEFAULT] \|= 0x4000;
d3ae33ef AC	30	return err_mask;
	31	}
	32
669a5db4	33	static struct scsi_host_template netcell_sht = {
68d1d07b	34	ATA_BMDMA_SHT(DRV_NAME),
669a5db4 JG	35	};
669a5db4 JG	36
029cfd6b TH	37	static struct ata_port_operations netcell_ops = {
029cfd6b TH	38	.inherits = &ata_bmdma_port_ops,
d3ae33ef AC	39	.cable_detect = ata_cable_80wire,
d3ae33ef AC	40	.read_id = netcell_read_id,
669a5db4 JG	41	};
	42
	43
	44	/**
	45	* netcell_init_one - Register Netcell ATA PCI device with kernel services
	46	* @pdev: PCI device to register
	47	* @ent: Entry in netcell_pci_tbl matching with @pdev
	48	*
	49	* Called from kernel PCI layer.
	50	*
	51	* LOCKING:
	52	* Inherited from PCI layer (may sleep).
	53	*
	54	* RETURNS:
	55	* Zero on success, or -ERRNO value.
	56	*/
	57
	58	static int netcell_init_one (struct pci_dev pdev, const struct pci_device_id ent)
	59	{
	60	static int printed_version;
1626aeb8	61	static const struct ata_port_info info = {
1d2808fd	62	.flags = ATA_FLAG_SLAVE_POSS,
669a5db4 JG	63	/* Actually we don't really care about these as the
669a5db4 JG	64	firmware deals with it */
14bdef98 EIB	65	.pio_mask = ATA_PIO4,
14bdef98 EIB	66	.mwdma_mask = ATA_MWDMA2,
bf6263a8	67	.udma_mask = ATA_UDMA5, /* UDMA 133 */
669a5db4 JG	68	.port_ops = &netcell_ops,
669a5db4 JG	69	};
1626aeb8	70	const struct ata_port_info *port_info[] = { &info, NULL };
f08048e9	71	int rc;
669a5db4 JG	72
	73	if (!printed_version++)
	74	dev_printk(KERN_DEBUG, &pdev->dev,
	75	"version " DRV_VERSION "\n");
	76
f08048e9 TH	77	rc = pcim_enable_device(pdev);
	78	if (rc)
	79	return rc;
	80
669a5db4	81	/* Any chip specific setup/optimisation/messages here */
9363c382	82	ata_pci_bmdma_clear_simplex(pdev);
85cd7251	83
669a5db4	84	/* And let the library code do the work */
1c5afdf7	85	return ata_pci_bmdma_init_one(pdev, port_info, &netcell_sht, NULL, 0);
669a5db4 JG	86	}
	87
	88	static const struct pci_device_id netcell_pci_tbl[] = {
2d2744fc JG	89	{ PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
2d2744fc JG	90
669a5db4 JG	91	{ } /* terminate list */
	92	};
	93
	94	static struct pci_driver netcell_pci_driver = {
	95	.name = DRV_NAME,
	96	.id_table = netcell_pci_tbl,
	97	.probe = netcell_init_one,
	98	.remove = ata_pci_remove_one,
438ac6d5	99	#ifdef CONFIG_PM
30ced0f0 AC	100	.suspend = ata_pci_device_suspend,
30ced0f0 AC	101	.resume = ata_pci_device_resume,
438ac6d5	102	#endif
669a5db4 JG	103	};
	104
	105	static int __init netcell_init(void)
	106	{
	107	return pci_register_driver(&netcell_pci_driver);
	108	}
	109
	110	static void __exit netcell_exit(void)
	111	{
	112	pci_unregister_driver(&netcell_pci_driver);
	113	}
	114
	115	module_init(netcell_init);
	116	module_exit(netcell_exit);
	117
	118	MODULE_AUTHOR("Alan Cox");
	119	MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
	120	MODULE_LICENSE("GPL");
	121	MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
	122	MODULE_VERSION(DRV_VERSION);
	123