linux-imx

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _VME_BRIDGE_H_

#define _VME_BRIDGE_H_

​

#include <linux/vme.h>

​

#define VME_CRCSR_BUF_SIZE (508*1024)

/*

 * Resource structures

 */

struct vme_master_resource {

    struct list_head list;

    struct vme_bridge *parent;

    /*

     * We are likely to need to access the VME bus in interrupt context, so

     * protect master routines with a spinlock rather than a mutex.

     */

    spinlock_t lock;

    int locked;

    int number;

    u32 address_attr;

    u32 cycle_attr;

    u32 width_attr;

    struct resource bus_resource;

    void __iomem *kern_base;

};

​

struct vme_slave_resource {

    struct list_head list;

    struct vme_bridge *parent;

    struct mutex mtx;

    int locked;

    int number;

    u32 address_attr;

    u32 cycle_attr;

};

​

struct vme_dma_pattern {

    u32 pattern;

    u32 type;

};

​

struct vme_dma_pci {

    dma_addr_t address;

};

​

struct vme_dma_vme {

    unsigned long long address;

    u32 aspace;

    u32 cycle;

    u32 dwidth;

};

​

struct vme_dma_list {

    struct list_head list;

    struct vme_dma_resource *parent;

    struct list_head entries;

    struct mutex mtx;

};

​

struct vme_dma_resource {

    struct list_head list;

    struct vme_bridge *parent;

    struct mutex mtx;

    int locked;

    int number;

    struct list_head pending;

    struct list_head running;

    u32 route_attr;

};

​

struct vme_lm_resource {

    struct list_head list;

    struct vme_bridge *parent;

    struct mutex mtx;

    int locked;

    int number;

    int monitors;

};

​

struct vme_error_handler {

    struct list_head list;

    unsigned long long start;   /* Beginning of error window */

    unsigned long long end;     /* End of error window */

    unsigned long long first_error; /* Address of the first error */

    u32 aspace;         /* Address space of error window*/

    unsigned num_errors;        /* Number of errors */

};

​

struct vme_callback {

    void (*func)(int, int, void*);

    void *priv_data;