path: root/drivers/mmc/host/sdhci-pci.c

/*  linux/drivers/mmc/host/sdhci-pci.c - SDHCI on PCI bus interface
 *
 *  Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved.
 *
 * 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 of the License, or (at
 * your option) any later version.
 *
 * Thanks to the following companies for their support:
 *
 *     - JMicron (hardware and technical support)
 */

#include <linux/delay.h>
#include <linux/highmem.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/mmc/host.h>
#include <linux/scatterlist.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/pm_runtime.h>
#include <linux/mmc/sdhci-pci-data.h>

#include "sdhci.h"

/*
 * PCI device IDs
 */
#define PCI_DEVICE_ID_INTEL_PCH_SDIO0	0x8809
#define PCI_DEVICE_ID_INTEL_PCH_SDIO1	0x880a

/*
 * PCI registers
 */

#define PCI_SDHCI_IFPIO			0x00
#define PCI_SDHCI_IFDMA			0x01
#define PCI_SDHCI_IFVENDOR		0x02

#define PCI_SLOT_INFO			0x40	/* 8 bits */
#define  PCI_SLOT_INFO_SLOTS(x)		((x >> 4) & 7)
#define  PCI_SLOT_INFO_FIRST_BAR_MASK	0x07

#define MAX_SLOTS			8

struct sdhci_pci_chip;
struct sdhci_pci_slot;

struct sdhci_pci_fixes {
	unsigned int		quirks;
	unsigned int		quirks2;
	bool			allow_runtime_pm;

	int			(*probe) (struct sdhci_pci_chip *);

	int			(*probe_slot) (struct