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/*

 * Copyright (c) 2005 Martin Decky

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * - Redistributions of source code must retain the above copyright

 *   notice, this list of conditions and the following disclaimer.

 * - Redistributions in binary form must reproduce the above copyright

 *   notice, this list of conditions and the following disclaimer in the

 *   documentation and/or other materials provided with the distribution.

 * - The name of the author may not be used to endorse or promote products

 *   derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef BOOT_OFW_H_

#define BOOT_OFW_H_

#include <types.h>

#include <stdarg.h>

#define BUF_SIZE        1024

#define MEMMAP_MAX_RECORDS  32

#define MAX_OFW_ARGS            12

typedef unative_t ofw_arg_t;

typedef unsigned int ihandle;

typedef unsigned int phandle;

/** OpenFirmware command structure

 *

 */

typedef struct {

    ofw_arg_t service;      /**< Command name. */

    ofw_arg_t nargs;        /**< Number of in arguments. */

    ofw_arg_t nret;         /**< Number of out arguments. */

    ofw_arg_t args[MAX_OFW_ARGS];   /**< List of arguments. */

} ofw_args_t;

typedef struct {

    void *start;

    uint32_t size;

} memzone_t;

typedef struct {

    uint32_t total;

    uint32_t count;

    memzone_t zones[MEMMAP_MAX_RECORDS];

} memmap_t;

typedef struct {

    void *addr;

    uint32_t width;

    uint32_t height;

    uint32_t bpp;

    uint32_t scanline;

} screen_t;

typedef struct {

    void *addr;

    uint32_t size;

} keyboard_t;

typedef struct {

    uint32_t info;

    uint32_t addr_hi;

    uint32_t addr_lo;

} pci_addr_t;

typedef struct {

    pci_addr_t addr;

    uint32_t size_hi;

    uint32_t size_lo;

} pci_reg_t;

extern uintptr_t ofw_cif;

extern phandle ofw_chosen;

extern ihandle ofw_stdout;

extern phandle ofw_root;

extern ihandle ofw_mmu;

extern phandle ofw_memory;

extern phandle ofw_aliases;

extern void ofw_init(void);

extern void ofw_write(const char *str, const int len);

extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen);

extern int ofw_get_proplen(const phandle device, const char *name);

extern int ofw_next_property(const phandle device, char *previous, char *buf);

extern phandle ofw_get_child_node(const phandle node);

extern phandle ofw_get_peer_node(const phandle node);

extern phandle ofw_find_device(const char *name);

extern int ofw_package_to_path(const phandle device, char *buf, const int buflen);

extern int ofw(ofw_args_t *arg);

extern unsigned long ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets, ...);

extern unsigned int ofw_get_address_cells(const phandle device);

extern unsigned int ofw_get_size_cells(const phandle device);

extern void *ofw_translate(const void *virt);

extern int ofw_translate_failed(ofw_arg_t flag);

extern void *ofw_claim_virt(const void *virt, const int len);

extern void *ofw_claim_phys(const void *virt, const int len);

extern int ofw_map(const void *phys, const void *virt, const int size, const int mode);

extern int ofw_memmap(memmap_t *map);

extern int ofw_screen(screen_t *screen);

extern int ofw_keyboard(keyboard_t *keyboard);

extern void ofw_quiesce(void);

#endif