Move libata to drivers/ata.

1 files changed, 0 insertions, 394 deletions

diff --git a/drivers/scsi/sata_via.c b/drivers/scsi/sata_via.c
deleted file mode 100644
index 0bf1dbea640..00000000000
--- a/drivers/scsi/sata_via.c
+++ /dev/null
@@ -1,394 +0,0 @@
-/*
- *  sata_via.c - VIA Serial ATA controllers
- *
- *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
- * 		   Please ALWAYS copy linux-ide@vger.kernel.org
- 		   on emails.
- *
- *  Copyright 2003-2004 Red Hat, Inc.  All rights reserved.
- *  Copyright 2003-2004 Jeff Garzik
- *
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2, or (at your option)
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; see the file COPYING.  If not, write to
- *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
- *  libata documentation is available via 'make {ps|pdf}docs',
- *  as Documentation/DocBook/libata.*
- *
- *  Hardware documentation available under NDA.
- *
- *
- *  To-do list:
- *  - VT6421 PATA support
- *
- */
-
-#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 <asm/io.h>
-
-#define DRV_NAME	"sata_via"
-#define DRV_VERSION	"2.0"
-
-enum board_ids_enum {
-	vt6420,
-	vt6421,
-};
-
-enum {
-	SATA_CHAN_ENAB		= 0x40, /* SATA channel enable */
-	SATA_INT_GATE		= 0x41, /* SATA interrupt gating */
-	SATA_NATIVE_MODE	= 0x42, /* Native mode enable */
-	SATA_PATA_SHARING	= 0x49, /* PATA/SATA sharing func ctrl */
-
-	PORT0			= (1 << 1),
-	PORT1			= (1 << 0),
-	ALL_PORTS		= PORT0 | PORT1,
-	N_PORTS			= 2,
-
-	NATIVE_MODE_ALL		= (1 << 7) | (1 << 6) | (1 << 5) | (1 << 4),
-
-	SATA_EXT_PHY		= (1 << 6), /* 0==use PATA, 1==ext phy */
-	SATA_2DEV		= (1 << 5), /* SATA is master/slave */
-};
-
-static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
-static u32 svia_scr_read (struct ata_port *ap, unsigned int sc_reg);
-static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
-
-static const struct pci_device_id svia_pci_tbl[] = {
-	{ 0x1106, 0x3149, PCI_ANY_ID, PCI_ANY_ID, 0, 0, vt6420 },
-	{ 0x1106, 0x3249, PCI_ANY_ID, PCI_ANY_ID, 0, 0, vt6421 },
-
-	{ }	/* terminate list */
-};
-
-static struct pci_driver svia_pci_driver = {
-	.name			= DRV_NAME,
-	.id_table		= svia_pci_tbl,
-	.probe			= svia_init_one,
-	.remove			= ata_pci_remove_one,
-};
-
-static struct scsi_host_template svia_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,
-	.bios_param		= ata_std_bios_param,
-};
-
-static const struct ata_port_operations svia_sata_ops = {
-	.port_disable		= ata_port_disable,
-
-	.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,
-
-	.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_pio_data_xfer,
-
-	.freeze			= ata_bmdma_freeze,
-	.thaw			= ata_bmdma_thaw,
-	.error_handler		= ata_bmdma_error_handler,
-	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
-
-	.irq_handler		= ata_interrupt,
-	.irq_clear		= ata_bmdma_irq_clear,
-
-	.scr_read		= svia_scr_read,
-	.scr_write		= svia_scr_write,
-
-	.port_start		= ata_port_start,
-	.port_stop		= ata_port_stop,
-	.host_stop		= ata_host_stop,
-};
-
-static struct ata_port_info svia_port_info = {
-	.sht		= &svia_sht,
-	.host_flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
-	.pio_mask	= 0x1f,
-	.mwdma_mask	= 0x07,
-	.udma_mask	= 0x7f,
-	.port_ops	= &svia_sata_ops,
-};
-
-MODULE_AUTHOR("Jeff Garzik");
-MODULE_DESCRIPTION("SCSI low-level driver for VIA SATA controllers");
-MODULE_LICENSE("GPL");
-MODULE_DEVICE_TABLE(pci, svia_pci_tbl);
-MODULE_VERSION(DRV_VERSION);
-
-static u32 svia_scr_read (struct ata_port *ap, unsigned int sc_reg)
-{
-	if (sc_reg > SCR_CONTROL)
-		return 0xffffffffU;
-	return inl(ap->ioaddr.scr_addr + (4 * sc_reg));
-}
-
-static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
-{
-	if (sc_reg > SCR_CONTROL)
-		return;
-	outl(val, ap->ioaddr.scr_addr + (4 * sc_reg));
-}
-
-static const unsigned int svia_bar_sizes[] = {
-	8, 4, 8, 4, 16, 256
-};
-
-static const unsigned int vt6421_bar_sizes[] = {
-	16, 16, 16, 16, 32, 128
-};
-
-static unsigned long svia_scr_addr(unsigned long addr, unsigned int port)
-{
-	return addr + (port * 128);
-}
-
-static unsigned long vt6421_scr_addr(unsigned long addr, unsigned int port)
-{
-	return addr + (port * 64);
-}
-
-static void vt6421_init_addrs(struct ata_probe_ent *probe_ent,
-			      struct pci_dev *pdev,
-			      unsigned int port)
-{
-	unsigned long reg_addr = pci_resource_start(pdev, port);
-	unsigned long bmdma_addr = pci_resource_start(pdev, 4) + (port * 8);
-	unsigned long scr_addr;
-
-	probe_ent->port[port].cmd_addr = reg_addr;
-	probe_ent->port[port].altstatus_addr =
-	probe_ent->port[port].ctl_addr = (reg_addr + 8) | ATA_PCI_CTL_OFS;
-	probe_ent->port[port].bmdma_addr = bmdma_addr;
-
-	scr_addr = vt6421_scr_addr(pci_resource_start(pdev, 5), port);
-	probe_ent->port[port].scr_addr = scr_addr;
-
-	ata_std_ports(&probe_ent->port[port]);
-}
-
-static struct ata_probe_ent *vt6420_init_probe_ent(struct pci_dev *pdev)
-{
-	struct ata_probe_ent *probe_ent;
-	struct ata_port_info *ppi = &svia_port_info;
-
-	probe_ent = ata_pci_init_native_mode(pdev, &ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY);
-	if (!probe_ent)
-		return NULL;
-
-	probe_ent->port[0].scr_addr =
-		svia_scr_addr(pci_resource_start(pdev, 5), 0);
-	probe_ent->port[1].scr_addr =
-		svia_scr_addr(pci_resource_start(pdev, 5), 1);
-
-	return probe_ent;
-}
-
-static struct ata_probe_ent *vt6421_init_probe_ent(struct pci_dev *pdev)
-{
-	struct ata_probe_ent *probe_ent;
-	unsigned int i;
-
-	probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
-	if (!probe_ent)
-		return NULL;
-
-	memset(probe_ent, 0, sizeof(*probe_ent));
-	probe_ent->dev = pci_dev_to_dev(pdev);
-	INIT_LIST_HEAD(&probe_ent->node);
-
-	probe_ent->sht		= &svia_sht;
-	probe_ent->host_flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY;
-	probe_ent->port_ops	= &svia_sata_ops;
-	probe_ent->n_ports	= N_PORTS;
-	probe_ent->irq		= pdev->irq;
-	probe_ent->irq_flags	= IRQF_SHARED;
-	probe_ent->pio_mask	= 0x1f;
-	probe_ent->mwdma_mask	= 0x07;
-	probe_ent->udma_mask	= 0x7f;
-
-	for (i = 0; i < N_PORTS; i++)
-		vt6421_init_addrs(probe_ent, pdev, i);
-
-	return probe_ent;
-}
-
-static void svia_configure(struct pci_dev *pdev)
-{
-	u8 tmp8;
-
-	pci_read_config_byte(pdev, PCI_INTERRUPT_LINE, &tmp8);
-	dev_printk(KERN_INFO, &pdev->dev, "routed to hard irq line %d\n",
-	       (int) (tmp8 & 0xf0) == 0xf0 ? 0 : tmp8 & 0x0f);
-
-	/* make sure SATA channels are enabled */
-	pci_read_config_byte(pdev, SATA_CHAN_ENAB, &tmp8);
-	if ((tmp8 & ALL_PORTS) != ALL_PORTS) {
-		dev_printk(KERN_DEBUG, &pdev->dev,
-			   "enabling SATA channels (0x%x)\n",
-		           (int) tmp8);
-		tmp8 |= ALL_PORTS;
-		pci_write_config_byte(pdev, SATA_CHAN_ENAB, tmp8);
-	}
-
-	/* make sure interrupts for each channel sent to us */
-	pci_read_config_byte(pdev, SATA_INT_GATE, &tmp8);
-	if ((tmp8 & ALL_PORTS) != ALL_PORTS) {
-		dev_printk(KERN_DEBUG, &pdev->dev,
-			   "enabling SATA channel interrupts (0x%x)\n",
-		           (int) tmp8);
-		tmp8 |= ALL_PORTS;
-		pci_write_config_byte(pdev, SATA_INT_GATE, tmp8);
-	}
-
-	/* make sure native mode is enabled */
-	pci_read_config_byte(pdev, SATA_NATIVE_MODE, &tmp8);
-	if ((tmp8 & NATIVE_MODE_ALL) != NATIVE_MODE_ALL) {
-		dev_printk(KERN_DEBUG, &pdev->dev,
-			   "enabling SATA channel native mode (0x%x)\n",
-		           (int) tmp8);
-		tmp8 |= NATIVE_MODE_ALL;
-		pci_write_config_byte(pdev, SATA_NATIVE_MODE, tmp8);
-	}
-}
-
-static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
-{
-	static int printed_version;
-	unsigned int i;
-	int rc;
-	struct ata_probe_ent *probe_ent;
-	int board_id = (int) ent->driver_data;
-	const int *bar_sizes;
-	int pci_dev_busy = 0;
-	u8 tmp8;
-
-	if (!printed_version++)
-		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
-
-	rc = pci_enable_device(pdev);
-	if (rc)
-		return rc;
-
-	rc = pci_request_regions(pdev, DRV_NAME);
-	if (rc) {
-		pci_dev_busy = 1;
-		goto err_out;
-	}
-
-	if (board_id == vt6420) {
-		pci_read_config_byte(pdev, SATA_PATA_SHARING, &tmp8);
-		if (tmp8 & SATA_2DEV) {
-			dev_printk(KERN_ERR, &pdev->dev,
-				   "SATA master/slave not supported (0x%x)\n",
-		       		   (int) tmp8);
-			rc = -EIO;
-			goto err_out_regions;
-		}
-
-		bar_sizes = &svia_bar_sizes[0];
-	} else {
-		bar_sizes = &vt6421_bar_sizes[0];
-	}
-
-	for (i = 0; i < ARRAY_SIZE(svia_bar_sizes); i++)
-		if ((pci_resource_start(pdev, i) == 0) ||
-		    (pci_resource_len(pdev, i) < bar_sizes[i])) {
-			dev_printk(KERN_ERR, &pdev->dev,
-				"invalid PCI BAR %u (sz 0x%llx, val 0x%llx)\n",
-				i,
-			        (unsigned long long)pci_resource_start(pdev, i),
-			        (unsigned long long)pci_resource_len(pdev, i));
-			rc = -ENODEV;
-			goto err_out_regions;
-		}
-
-	rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
-	if (rc)
-		goto err_out_regions;
-	rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
-	if (rc)
-		goto err_out_regions;
-
-	if (board_id == vt6420)
-		probe_ent = vt6420_init_probe_ent(pdev);
-	else
-		probe_ent = vt6421_init_probe_ent(pdev);
-
-	if (!probe_ent) {
-		dev_printk(KERN_ERR, &pdev->dev, "out of memory\n");
-		rc = -ENOMEM;
-		goto err_out_regions;
-	}
-
-	svia_configure(pdev);
-
-	pci_set_master(pdev);
-
-	/* FIXME: check ata_device_add return value */
-	ata_device_add(probe_ent);
-	kfree(probe_ent);
-
-	return 0;
-
-err_out_regions:
-	pci_release_regions(pdev);
-err_out:
-	if (!pci_dev_busy)
-		pci_disable_device(pdev);
-	return rc;
-}
-
-static int __init svia_init(void)
-{
-	return pci_register_driver(&svia_pci_driver);
-}
-
-static void __exit svia_exit(void)
-{
-	pci_unregister_driver(&svia_pci_driver);
-}
-
-module_init(svia_init);
-module_exit(svia_exit);
-