fsl_msi.h

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/*
 * Copyright (C) 2007-2008 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Author: Tony Li <[email protected]>
 *     Jason Jin <[email protected]>
 *
 * 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; version 2 of the
 * License.
 *
 */
#ifndef _POWERPC_SYSDEV_FSL_MSI_H
#define _POWERPC_SYSDEV_FSL_MSI_H

#include <linux/of.h>
#include <asm/msi_bitmap.h>

#define NR_MSI_REG      8
#define IRQS_PER_MSI_REG    32
#define NR_MSI_IRQS (NR_MSI_REG * IRQS_PER_MSI_REG)

#define FSL_PIC_IP_MASK   0x0000000F
#define FSL_PIC_IP_MPIC   0x00000001
#define FSL_PIC_IP_IPIC   0x00000002
#define FSL_PIC_IP_VMPIC  0x00000003

struct fsl_msi {
    struct irq_domain *irqhost;

    unsigned long cascade_irq;

    u32 msiir_offset; /* Offset of MSIIR, relative to start of CCSR */
    void __iomem *msi_regs;
    u32 feature;
    int msi_virqs[NR_MSI_REG];

    struct msi_bitmap bitmap;

    struct list_head list;          /* support multiple MSI banks */

    phandle phandle;
};

#endif /* _POWERPC_SYSDEV_FSL_MSI_H */