linux/drivers/ata/sata_vsc.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  sata_vsc.c - Vitesse VSC7174 4 port DPA SATA
 *
 *  Maintained by:  Jeremy Higdon @ SGI
 * 		    Please ALWAYS copy [email protected]
 *		    on emails.
 *
 *  Copyright 2004 SGI
 *
 *  Bits from Jeff Garzik, Copyright RedHat, Inc.
 *
 *  libata documentation is available via 'make {ps|pdf}docs',
 *  as Documentation/driver-api/libata.rst
 *
 *  Vitesse hardware documentation presumably available under NDA.
 *  Intel 31244 (same hardware interface) documentation presumably
 *  available from http://developer.intel.com/
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
#include <linux/device.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>

#define DRV_NAME …
#define DRV_VERSION …

enum { … };

static int vsc_sata_scr_read(struct ata_link *link,
			     unsigned int sc_reg, u32 *val)
{ … }


static int vsc_sata_scr_write(struct ata_link *link,
			      unsigned int sc_reg, u32 val)
{ … }


static void vsc_freeze(struct ata_port *ap)
{ … }


static void vsc_thaw(struct ata_port *ap)
{ … }


static void vsc_intr_mask_update(struct ata_port *ap, u8 ctl)
{ … }


static void vsc_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
{ … }


static void vsc_sata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
{ … }

static inline void vsc_error_intr(u8 port_status, struct ata_port *ap)
{ … }

static void vsc_port_intr(u8 port_status, struct ata_port *ap)
{ … }

/*
 * vsc_sata_interrupt
 *
 * Read the interrupt register and process for the devices that have
 * them pending.
 */
static irqreturn_t vsc_sata_interrupt(int irq, void *dev_instance)
{ … }


static const struct scsi_host_template vsc_sata_sht = …;


static struct ata_port_operations vsc_sata_ops = …;

static void vsc_sata_setup_port(struct ata_ioports *port, void __iomem *base)
{ … }


static int vsc_sata_init_one(struct pci_dev *pdev,
			     const struct pci_device_id *ent)
{ … }

static const struct pci_device_id vsc_sata_pci_tbl[] = …;

static struct pci_driver vsc_sata_pci_driver = …;

module_pci_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_DEVICE_TABLE(pci, vsc_sata_pci_tbl);
MODULE_VERSION(…);