/******************************************************************************
  SPDX-License-Identifier: BSD-3-Clause

  Copyright (c) 2001-2015, Intel Corporation
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

   1. Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.

   2. 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.

   3. Neither the name of the Intel Corporation nor the names of its
      contributors may be used to endorse or promote products derived from
      this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS BE
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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******************************************************************************/
/*$FreeBSD$*/

#ifndef _FUCHSIA_OS_H_
#define _FUCHSIA_OS_H_

#include <assert.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <threads.h>

#include <ddk/binding.h>
#include <ddk/debug.h>
#include <ddk/device.h>
#include <ddk/driver.h>
#include <ddk/io-buffer.h>
#include <ddk/mmio-buffer.h>
#include <ddk/protocol/ethernet.h>
#include <ddk/protocol/pci.h>
#include <ddk/protocol/pci-lib.h>
#include <hw/inout.h>
#include <hw/pci.h>
#include <hw/reg.h>
#include <zircon/assert.h>
#include <zircon/syscalls.h>
#include <zircon/types.h>

#define ASSERT(x) assert(x)

#define nsec_delay(x) zx_nanosleep(zx_deadline_after(x))
#define usec_delay(x) nsec_delay(ZX_USEC(x))
#define usec_delay_irq(x) nsec_delay(ZX_USEC(x))
#define msec_delay(x) nsec_delay(ZX_MSEC(x))
#define msec_delay_irq(x) nsec_delay(ZX_MSEC(x))

/* Enable/disable debugging statements in shared code */
#define DEBUGOUT(format, ...) \
    zxlogf(TRACE, "%s %d: " format, __FUNCTION__, __LINE__, ##__VA_ARGS__)
#define DEBUGOUT1(...) DEBUGOUT(__VA_ARGS__)
#define DEBUGOUT2(...) DEBUGOUT(__VA_ARGS__)
#define DEBUGOUT3(...) DEBUGOUT(__VA_ARGS__)
#define DEBUGFUNC(F) zxlogf(TRACE, F "\n")

#define STATIC static
#define FALSE 0
#define TRUE 1

#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_MEM_WR_INV_EN /* BIT_4 */
#define PCI_COMMAND_REGISTER PCIR_COMMAND

typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
typedef int64_t s64;
typedef int32_t s32;
typedef int16_t s16;
typedef int8_t s8;

#define __le16 u16
#define __le32 u32
#define __le64 u64

#define ASSERT_CTX_LOCK_HELD(hw)

struct e1000_osdep {
    pci_protocol_t pci;
    uintptr_t membase;
    uintptr_t iobase;
    uintptr_t flashbase;
};

#define hw2pci(hw) (&((struct e1000_osdep*)(hw)->back)->pci)
#define hw2membase(hw) (((struct e1000_osdep*)(hw)->back)->membase)
#define hw2iobase(hw) (((struct e1000_osdep*)(hw)->back)->iobase)
#define hw2flashbase(hw) (((struct e1000_osdep*)(hw)->back)->flashbase)

#define e1000_writeb(v, a) writeb((v), (volatile void*)(uintptr_t)(a))
#define e1000_writew(v, a) writew((v), (volatile void*)(uintptr_t)(a))
#define e1000_writel(v, a) writel((v), (volatile void*)(uintptr_t)(a))
#define e1000_writell(v, a) writell((v), (volatile void*)(uintptr_t)(a))

#define e1000_readb(a) readb((const volatile void*)(uintptr_t)(a))
#define e1000_readw(a) readw((const volatile void*)(uintptr_t)(a))
#define e1000_readl(a) readl((const volatile void*)(uintptr_t)(a))
#define e1000_readll(a) readll((const volatile void*)(uintptr_t)(a))

#define E1000_REGISTER(hw, reg)                   \
    (((hw)->mac.type >= e1000_82543) ? (u32)(reg) \
                                     : e1000_translate_register_82542(reg))

#define E1000_WRITE_FLUSH(a) \
    E1000_READ_REG(a, E1000_STATUS)

/* Read from an absolute offset in the adapter's memory space */
#define E1000_READ_OFFSET(hw, offset) \
    e1000_readl(hw2membase(hw) + (offset))

/* Write to an absolute offset in the adapter's memory space */
#define E1000_WRITE_OFFSET(hw, offset, value) \
    e1000_writel((value), hw2membase(hw) + (offset))

/* Register READ/WRITE macros */
#define E1000_READ_REG(hw, reg) \
    E1000_READ_OFFSET((hw), E1000_REGISTER((hw), (reg)))

#define E1000_WRITE_REG(hw, reg, value) \
    E1000_WRITE_OFFSET((hw), E1000_REGISTER((hw), (reg)), (value))

#define E1000_READ_REG_ARRAY(hw, reg, index) \
    E1000_READ_OFFSET((hw), E1000_REGISTER((hw), (reg)) + ((index) << 2))

#define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
    E1000_WRITE_OFFSET((hw), E1000_REGISTER((hw), (reg)) + ((index) << 2), (value))

#define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY

#define E1000_READ_REG_ARRAY_BYTE(hw, reg, index) \
    e1000_readb(hw2membase(hw) + E1000_REGISTER((hw), (reg)) + (index))

#define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
    e1000_writeb((value), hw2membase(hw) + E1000_REGISTER((hw), (reg)) + (index))

#define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
    e1000_writew((value), hw2membase(hw) + E1000_REGISTER((hw), (reg)) + ((index) << 1))

#define E1000_WRITE_REG_IO(hw, reg, value) \
    outpd(hw2iobase(hw) + (reg), (value));

#define E1000_READ_FLASH_REG(hw, reg) \
    e1000_readl(hw2flashbase(hw) + (reg))

#define E1000_READ_FLASH_REG16(hw, reg) \
    e1000_readw(hw2flashbase(hw) + (reg))

#define E1000_WRITE_FLASH_REG(hw, reg, value) \
    e1000_writel((value), hw2flashbase(hw) + (reg))

#define E1000_WRITE_FLASH_REG16(hw, reg, value) \
    e1000_writew((value), hw2flashbase(hw) + (reg))

#define ASSERT_NO_LOCKS()

#endif /* _FUCHSIA_OS_H_ */