linux/drivers/ata/pata_cmd640.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * pata_cmd640.c 	- CMD640 PCI PATA for new ATA layer
 *			  (C) 2007 Red Hat Inc
 *
 * Based upon
 *  linux/drivers/ide/pci/cmd640.c		Version 1.02  Sep 01, 1996
 *
 *  Copyright (C) 1995-1996  Linus Torvalds & authors (see driver)
 *
 *	This drives only the PCI version of the controller. If you have a
 *	VLB one then we have enough docs to support it but you can write
 *	your own code.
 */

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

#define DRV_NAME …
#define DRV_VERSION …

struct cmd640_reg { … };

enum { … };

/**
 *	cmd640_set_piomode	-	set initial PIO mode data
 *	@ap: ATA port
 *	@adev: ATA device
 *
 *	Called to do the PIO mode setup.
 */

static void cmd640_set_piomode(struct ata_port *ap, struct ata_device *adev)
{ … }


/**
 *	cmd640_qc_issue	-	command preparation hook
 *	@qc: Command to be issued
 *
 *	Channel 1 has shared timings. We must reprogram the
 *	clock each drive 2/3 switch we do.
 */

static unsigned int cmd640_qc_issue(struct ata_queued_cmd *qc)
{ … }

/**
 *	cmd640_port_start	-	port setup
 *	@ap: ATA port being set up
 *
 *	The CMD640 needs to maintain private data structures so we
 *	allocate space here.
 */

static int cmd640_port_start(struct ata_port *ap)
{ … }

static bool cmd640_sff_irq_check(struct ata_port *ap)
{ … }

static const struct scsi_host_template cmd640_sht = …;

static struct ata_port_operations cmd640_port_ops = …;

static void cmd640_hardware_init(struct pci_dev *pdev)
{ … }

static int cmd640_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{ … }

#ifdef CONFIG_PM_SLEEP
static int cmd640_reinit_one(struct pci_dev *pdev)
{ … }
#endif

static const struct pci_device_id cmd640[] = …;

static struct pci_driver cmd640_pci_driver = …;

module_pci_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_DEVICE_TABLE(pci, cmd640);
MODULE_VERSION(…);