/**************************************************************************

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***************************************************************************/

/*$FreeBSD: if_em_osdep.h,v 1.11 2003/05/02 21:17:08 pdeuskar Exp $*/
/* $OpenBSD: if_em_osdep.h,v 1.3 2004/04/18 04:15:01 henric Exp $ */

#ifndef _EM_OPENBSD_OS_H_
#define _EM_OPENBSD_OS_H_

#define ASSERT(x) if(!(x)) panic("EM: x")

/* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
#define usec_delay(x) DELAY(x)
#define msec_delay(x) DELAY(1000*(x))

#define MSGOUT(S, A, B)     printf(S "\n", A, B)
#define DEBUGFUNC(F)        DEBUGOUT(F);
#if DBG
	#define DEBUGOUT(S)         printf(S "\n")
	#define DEBUGOUT1(S,A)      printf(S "\n",A)
	#define DEBUGOUT2(S,A,B)    printf(S "\n",A,B)
	#define DEBUGOUT3(S,A,B,C)  printf(S "\n",A,B,C)
	#define DEBUGOUT7(S,A,B,C,D,E,F,G)  printf(S "\n",A,B,C,D,E,F,G)
#else
	#define DEBUGOUT(S)
	#define DEBUGOUT1(S,A)
	#define DEBUGOUT2(S,A,B)
	#define DEBUGOUT3(S,A,B,C)
	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
#endif

#define FALSE               0
#define TRUE                1
#define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
#define PCI_COMMAND_REGISTER            PCI_COMMAND_STATUS_REG 

struct em_osdep
{
	bus_space_tag_t    mem_bus_space_tag;
	bus_space_handle_t mem_bus_space_handle;
	struct device     *dev;

	struct pci_attach_args em_pa;

        bus_size_t              em_memsize;
        bus_addr_t              em_membase;

        bus_space_handle_t      em_iobhandle;
        bus_space_tag_t         em_iobtag;
        bus_size_t              em_iosize;
        bus_addr_t              em_iobase;
};

#define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, STATUS)

#define E1000_READ_REG(a, reg) 						\
   bus_space_read_4( ((struct em_osdep *)(a)->back)->mem_bus_space_tag,	\
	((struct em_osdep *)(a)->back)->mem_bus_space_handle,		\
	((a)->mac_type >= em_82543) ? E1000_##reg : E1000_82542_##reg)

#define E1000_WRITE_REG(a, reg, value)					\
   bus_space_write_4( ((struct em_osdep *)(a)->back)->mem_bus_space_tag, \
	((struct em_osdep *)(a)->back)->mem_bus_space_handle,		\
	((a)->mac_type >= em_82543) ? E1000_##reg : E1000_82542_##reg,	\
	value)

#define E1000_READ_REG_ARRAY(a, reg, offset)				\
   bus_space_read_4( ((struct em_osdep *)(a)->back)->mem_bus_space_tag,	\
		     ((struct em_osdep *)(a)->back)->mem_bus_space_handle, \
		     ((a)->mac_type >= em_82543) ?			\
				(E1000_##reg	   + ((offset) << 2)) :	\
				(E1000_82542_##reg + ((offset) << 2)) ) 

#define E1000_WRITE_REG_ARRAY(a, reg, offset, value)			\
    bus_space_write_4( ((struct em_osdep *)(a)->back)->mem_bus_space_tag, \
	((struct em_osdep *)(a)->back)->mem_bus_space_handle,		\
	((a)->mac_type >= em_82543) ?					\
		(E1000_##reg	   + ((offset) << 2)) :			\
		(E1000_82542_##reg + ((offset) << 2)),			\
	value)

#define em_io_read(hw, port)						\
        bus_space_read_4(((struct em_osdep *)(hw)->back)->em_iobtag,	\
                ((struct em_osdep *)(hw)->back)->em_iobhandle, (port))

#define em_io_write(hw, port, value)					\
        bus_space_write_4(((struct em_osdep *)(hw)->back)->em_iobtag,	\
                        ((struct em_osdep *)(hw)->back)->em_iobhandle,	\
			(port), (value))

#ifdef DEBUG
#define EM_KASSERT(exp,msg)        do { if (!(exp)) panic msg; } while (0)
#else
#define EM_KASSERT(exp,msg)
#endif
#define bus_dma_tag_destroy(tag)
#define mtx_assert(a, b)        splassert(IPL_NET)

#endif  /* _EM_OPENBSD_OS_H_ */