linux/drivers/ata/pata_hpt3x3.c

/*
 *	pata_hpt3x3		-	HPT3x3 driver
 *	(c) Copyright 2005-2006 Red Hat
 *
 *	Was pata_hpt34x but the naming was confusing as it supported the
 *	343 and 363 so it has been renamed.
 *
 *	Based on:
 *	linux/drivers/ide/pci/hpt34x.c		Version 0.40	Sept 10, 2002
 *	Copyright (C) 1998-2000	Andre Hedrick <[email protected]>
 *
 *	May be copied or modified under the terms of the GNU General Public
 *	License
 */

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

#define DRV_NAME …
#define DRV_VERSION …

/**
 *	hpt3x3_set_piomode		-	PIO setup
 *	@ap: ATA interface
 *	@adev: device on the interface
 *
 *	Set our PIO requirements. This is fairly simple on the HPT3x3 as
 *	all we have to do is clear the MWDMA and UDMA bits then load the
 *	mode number.
 */

static void hpt3x3_set_piomode(struct ata_port *ap, struct ata_device *adev)
{ … }

#if defined(CONFIG_PATA_HPT3X3_DMA)
/**
 *	hpt3x3_set_dmamode		-	DMA timing setup
 *	@ap: ATA interface
 *	@adev: Device being configured
 *
 *	Set up the channel for MWDMA or UDMA modes. Much the same as with
 *	PIO, load the mode number and then set MWDMA or UDMA flag.
 *
 *	0x44 : bit 0-2 master mode, 3-5 slave mode, etc
 *	0x48 : bit 4/0 DMA/UDMA bit 5/1 for slave etc
 */

static void hpt3x3_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{ … }

/**
 *	hpt3x3_freeze		-	DMA workaround
 *	@ap: port to freeze
 *
 *	When freezing an HPT3x3 we must stop any pending DMA before
 *	writing to the control register or the chip will hang
 */

static void hpt3x3_freeze(struct ata_port *ap)
{ … }

/**
 *	hpt3x3_bmdma_setup	-	DMA workaround
 *	@qc: Queued command
 *
 *	When issuing BMDMA we must clean up the error/active bits in
 *	software on this device
 */

static void hpt3x3_bmdma_setup(struct ata_queued_cmd *qc)
{ … }

/**
 *	hpt3x3_atapi_dma	-	ATAPI DMA check
 *	@qc: Queued command
 *
 *	Just say no - we don't do ATAPI DMA
 */

static int hpt3x3_atapi_dma(struct ata_queued_cmd *qc)
{ … }

#endif /* CONFIG_PATA_HPT3X3_DMA */

static const struct scsi_host_template hpt3x3_sht = …;

static struct ata_port_operations hpt3x3_port_ops = …;

/**
 *	hpt3x3_init_chipset	-	chip setup
 *	@dev: PCI device
 *
 *	Perform the setup required at boot and on resume.
 */

static void hpt3x3_init_chipset(struct pci_dev *dev)
{ … }

/**
 *	hpt3x3_init_one		-	Initialise an HPT343/363
 *	@pdev: PCI device
 *	@id: Entry in match table
 *
 *	Perform basic initialisation. We set the device up so we access all
 *	ports via BAR4. This is necessary to work around errata.
 */

static int hpt3x3_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{ … }

#ifdef CONFIG_PM_SLEEP
static int hpt3x3_reinit_one(struct pci_dev *dev)
{ … }
#endif

static const struct pci_device_id hpt3x3[] = …;

static struct pci_driver hpt3x3_pci_driver = …;

module_pci_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_DEVICE_TABLE(pci, hpt3x3);
MODULE_VERSION(…);