[linux-2.6-block.git] / drivers / ata / pata_netcell.c

/*
 *    pata_netcell.c - Netcell PATA driver
 *
 *	(c) 2006 Red Hat  <alan@redhat.com>
 */

#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 struct scsi_host_template netcell_sht = {
	.module			= THIS_MODULE,
	.name			= DRV_NAME,
	.ioctl			= ata_scsi_ioctl,
	.queuecommand		= ata_scsi_queuecmd,
	.can_queue		= ATA_DEF_QUEUE,
	.this_id		= ATA_SHT_THIS_ID,
	.sg_tablesize		= LIBATA_MAX_PRD,
	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
	.emulated		= ATA_SHT_EMULATED,
	.use_clustering		= ATA_SHT_USE_CLUSTERING,
	.proc_name		= DRV_NAME,
	.dma_boundary		= ATA_DMA_BOUNDARY,
	.slave_configure	= ata_scsi_slave_config,
	.slave_destroy		= ata_scsi_slave_destroy,
	/* Use standard CHS mapping rules */
	.bios_param		= ata_std_bios_param,
#ifdef CONFIG_PM
	.resume			= ata_scsi_device_resume,
	.suspend		= ata_scsi_device_suspend,
#endif
};

static const struct ata_port_operations netcell_ops = {
	.port_disable		= ata_port_disable,

	/* Task file is PCI ATA format, use helpers */
	.tf_load		= ata_tf_load,
	.tf_read		= ata_tf_read,
	.check_status		= ata_check_status,
	.exec_command		= ata_exec_command,
	.dev_select		= ata_std_dev_select,

	.freeze			= ata_bmdma_freeze,
	.thaw			= ata_bmdma_thaw,
	.error_handler		= ata_bmdma_error_handler,
	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
	.cable_detect		= ata_cable_80wire,

	/* BMDMA handling is PCI ATA format, use helpers */
	.bmdma_setup		= ata_bmdma_setup,
	.bmdma_start		= ata_bmdma_start,
	.bmdma_stop		= ata_bmdma_stop,
	.bmdma_status		= ata_bmdma_status,
	.qc_prep		= ata_qc_prep,
	.qc_issue		= ata_qc_issue_prot,
	.data_xfer		= ata_data_xfer,

	/* IRQ-related hooks */
	.irq_handler		= ata_interrupt,
	.irq_clear		= ata_bmdma_irq_clear,
	.irq_on			= ata_irq_on,
	.irq_ack		= ata_irq_ack,

	/* Generic PATA PCI ATA helpers */
	.port_start		= ata_port_start,
};


/**
 *	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 struct ata_port_info info = {
		.sht		= &netcell_sht,
		.flags		= ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
		/* Actually we don't really care about these as the
		   firmware deals with it */
		.pio_mask	= 0x1f,	/* pio0-4 */
		.mwdma_mask	= 0x07, /* mwdma0-2 */
		.udma_mask 	= 0x3f, /* UDMA 133 */
		.port_ops	= &netcell_ops,
	};
	static struct ata_port_info *port_info[2] = { &info, &info };

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

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

	/* And let the library code do the work */
	return ata_pci_init_one(pdev, port_info, 2);
}

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	*
	4	* (c) 2006 Red Hat <alan@redhat.com>
	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
	23	static struct scsi_host_template netcell_sht = {
	24	.module = THIS_MODULE,
	25	.name = DRV_NAME,
	26	.ioctl = ata_scsi_ioctl,
	27	.queuecommand = ata_scsi_queuecmd,
	28	.can_queue = ATA_DEF_QUEUE,
	29	.this_id = ATA_SHT_THIS_ID,
	30	.sg_tablesize = LIBATA_MAX_PRD,
669a5db4 JG	31	.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
	32	.emulated = ATA_SHT_EMULATED,
	33	.use_clustering = ATA_SHT_USE_CLUSTERING,
	34	.proc_name = DRV_NAME,
	35	.dma_boundary = ATA_DMA_BOUNDARY,
	36	.slave_configure = ata_scsi_slave_config,
afdfe899	37	.slave_destroy = ata_scsi_slave_destroy,
669a5db4 JG	38	/* Use standard CHS mapping rules */
669a5db4 JG	39	.bios_param = ata_std_bios_param,
438ac6d5	40	#ifdef CONFIG_PM
30ced0f0 A	41	.resume = ata_scsi_device_resume,
30ced0f0 A	42	.suspend = ata_scsi_device_suspend,
438ac6d5	43	#endif
669a5db4 JG	44	};
	45
	46	static const struct ata_port_operations netcell_ops = {
	47	.port_disable = ata_port_disable,
	48
	49	/* Task file is PCI ATA format, use helpers */
	50	.tf_load = ata_tf_load,
	51	.tf_read = ata_tf_read,
	52	.check_status = ata_check_status,
	53	.exec_command = ata_exec_command,
	54	.dev_select = ata_std_dev_select,
	55
	56	.freeze = ata_bmdma_freeze,
	57	.thaw = ata_bmdma_thaw,
3b4ba591	58	.error_handler = ata_bmdma_error_handler,
669a5db4	59	.post_internal_cmd = ata_bmdma_post_internal_cmd,
3b4ba591	60	.cable_detect = ata_cable_80wire,
669a5db4 JG	61
	62	/* BMDMA handling is PCI ATA format, use helpers */
	63	.bmdma_setup = ata_bmdma_setup,
	64	.bmdma_start = ata_bmdma_start,
	65	.bmdma_stop = ata_bmdma_stop,
	66	.bmdma_status = ata_bmdma_status,
	67	.qc_prep = ata_qc_prep,
	68	.qc_issue = ata_qc_issue_prot,
0d5ff566	69	.data_xfer = ata_data_xfer,
669a5db4	70
bda30288	71	/* IRQ-related hooks */
669a5db4 JG	72	.irq_handler = ata_interrupt,
669a5db4 JG	73	.irq_clear = ata_bmdma_irq_clear,
246ce3b6 AI	74	.irq_on = ata_irq_on,
246ce3b6 AI	75	.irq_ack = ata_irq_ack,
669a5db4 JG	76
	77	/* Generic PATA PCI ATA helpers */
	78	.port_start = ata_port_start,
669a5db4 JG	79	};
	80
	81
	82	/**
	83	* netcell_init_one - Register Netcell ATA PCI device with kernel services
	84	* @pdev: PCI device to register
	85	* @ent: Entry in netcell_pci_tbl matching with @pdev
	86	*
	87	* Called from kernel PCI layer.
	88	*
	89	* LOCKING:
	90	* Inherited from PCI layer (may sleep).
	91	*
	92	* RETURNS:
	93	* Zero on success, or -ERRNO value.
	94	*/
	95
	96	static int netcell_init_one (struct pci_dev pdev, const struct pci_device_id ent)
	97	{
	98	static int printed_version;
	99	static struct ata_port_info info = {
	100	.sht = &netcell_sht,
	101	.flags = ATA_FLAG_SLAVE_POSS \| ATA_FLAG_SRST,
	102	/* Actually we don't really care about these as the
	103	firmware deals with it */
	104	.pio_mask = 0x1f, /* pio0-4 */
	105	.mwdma_mask = 0x07, /* mwdma0-2 */
	106	.udma_mask = 0x3f, /* UDMA 133 */
	107	.port_ops = &netcell_ops,
	108	};
	109	static struct ata_port_info *port_info[2] = { &info, &info };
	110
	111	if (!printed_version++)
	112	dev_printk(KERN_DEBUG, &pdev->dev,
	113	"version " DRV_VERSION "\n");
	114
	115	/* Any chip specific setup/optimisation/messages here */
	116	ata_pci_clear_simplex(pdev);
85cd7251	117
669a5db4 JG	118	/* And let the library code do the work */
	119	return ata_pci_init_one(pdev, port_info, 2);
	120	}
	121
	122	static const struct pci_device_id netcell_pci_tbl[] = {
2d2744fc JG	123	{ PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), },
2d2744fc JG	124
669a5db4 JG	125	{ } /* terminate list */
	126	};
	127
	128	static struct pci_driver netcell_pci_driver = {
	129	.name = DRV_NAME,
	130	.id_table = netcell_pci_tbl,
	131	.probe = netcell_init_one,
	132	.remove = ata_pci_remove_one,
438ac6d5	133	#ifdef CONFIG_PM
30ced0f0 A	134	.suspend = ata_pci_device_suspend,
30ced0f0 A	135	.resume = ata_pci_device_resume,
438ac6d5	136	#endif
669a5db4 JG	137	};
	138
	139	static int __init netcell_init(void)
	140	{
	141	return pci_register_driver(&netcell_pci_driver);
	142	}
	143
	144	static void __exit netcell_exit(void)
	145	{
	146	pci_unregister_driver(&netcell_pci_driver);
	147	}
	148
	149	module_init(netcell_init);
	150	module_exit(netcell_exit);
	151
	152	MODULE_AUTHOR("Alan Cox");
	153	MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID");
	154	MODULE_LICENSE("GPL");
	155	MODULE_DEVICE_TABLE(pci, netcell_pci_tbl);
	156	MODULE_VERSION(DRV_VERSION);
	157