<commit_before>/*  linux/drivers/mmc/host/sdhci-pci.c - SDHCI on PCI bus interface
 *
 *  Copyright (C) 2005-2008 <NAME>, 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 sdhci_pci_slot *);
	void			(*remove_slot) (struct sdhci_pci_slot *, int);

	int			(*suspend) (struct sdhci_pci_chip *);
	int			(*resume) (struct sdhci_pci_chip *);
};

struct sdhci_pci_slot {
	struct sdhci_pci_chip	*chip;
	struct sdhci_host	*host;
	struct sdhci_pci_data	*data;

	int			pci_bar;
	int			rst_n_gpio;
	int			cd_gpio;
	int			cd_irq;
};

struct sdhci_pci_chip {
	struct pci_dev		*pdev;

	unsigned int		quirks;
	unsigned int		quirks2;
	bool			allow_runtime_pm;
	const struct sdhci_pci_fixes *fixes;

	int			num_slots;	/* Slots on controller */
	struct sdhci_pci_slot	*slots[MAX_SLOTS]; /* Pointers to host slots */
};


/*****************************************************************************\
 *                                                                           *
 * Hardware specific quirk handling                                          *
 *                                                                           *
\*****************************************************************************/

static int ricoh_probe(struct sdhci_pci_chip *chip)
{
	if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG ||
	    chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY)
		chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET;
	return 0;
}

static int ricoh_mmc_probe_slot(struct sdhci_pci_slot *slot)
{
	slot->host->caps =
		((0x21 << SDHCI_TIMEOUT_CLK_SHIFT)
			& SDHCI_TIMEOUT_CLK_MASK) |

		((0x21 << SDHCI_CLOCK_BASE_SHIFT)
			& SDHCI_CLOCK_BASE_MASK) |

		SDHCI_TIMEOUT_CLK_UNIT |
		SDHCI_CAN_VDD_330 |
		SDHCI_CAN_DO_SDMA;
	return 0;<commit_msg>mmc: sdhci-pci: Enable SDHCI_CAN_DO_HISPD for Ricoh SDHCI controller<commit_after>/*  linux/drivers/mmc/host/sdhci-pci.c - SDHCI on PCI bus interface
 *
 *  Copyright (C) 2005-2008 <NAME>, 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 sdhci_pci_slot *);
	void			(*remove_slot) (struct sdhci_pci_slot *, int);

	int			(*suspend) (struct sdhci_pci_chip *);
	int			(*resume) (struct sdhci_pci_chip *);
};

struct sdhci_pci_slot {
	struct sdhci_pci_chip	*chip;
	struct sdhci_host	*host;
	struct sdhci_pci_data	*data;

	int			pci_bar;
	int			rst_n_gpio;
	int			cd_gpio;
	int			cd_irq;
};

struct sdhci_pci_chip {
	struct pci_dev		*pdev;

	unsigned int		quirks;
	unsigned int		quirks2;
	bool			allow_runtime_pm;
	const struct sdhci_pci_fixes *fixes;

	int			num_slots;	/* Slots on controller */
	struct sdhci_pci_slot	*slots[MAX_SLOTS]; /* Pointers to host slots */
};


/*****************************************************************************\
 *                                                                           *
 * Hardware specific quirk handling                                          *
 *                                                                           *
\*****************************************************************************/

static int ricoh_probe(struct sdhci_pci_chip *chip)
{
	if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG ||
	    chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY)
		chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET;
	return 0;
}

static int ricoh_mmc_probe_slot(struct sdhci_pci_slot *slot)
{
	slot->host->caps =
		((0x21 << SDHCI_TIMEOUT_CLK_SHIFT)
			& SDHCI_TIMEOUT_CLK_MASK) |

		((0x21 << SDHCI_CLOCK_BASE_SHIFT)
			& SDHCI_CLOCK_BASE_MASK) |

		SDHCI_TIMEOUT_CLK_UNIT |
		SDHCI_CAN_VDD_330 |
		SDHCI_CAN_DO_HISPD |
		SDHCI_CAN_DO_SDMA;
	return 0;
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