FreeBSD-5.3/sys/dev/em/if_em_osdep.h

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/*$FreeBSD: src/sys/dev/em/if_em_osdep.h,v 1.13 2003/08/22 05:54:51 imp Exp $*/

#ifndef _FREEBSD_OS_H_
#define _FREEBSD_OS_H_

#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/clock.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.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            PCIR_COMMAND

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

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

/* Read from an absolute offset in the adapter's memory space */
#define E1000_READ_OFFSET(hw, offset) \
    bus_space_read_4( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
                      ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
                      offset)

/* Write to an absolute offset in the adapter's memory space */
#define E1000_WRITE_OFFSET(hw, offset, value) \
    bus_space_write_4( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
                       ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
                       offset, \
                       value)

/* Convert a register name to its offset in the adapter's memory space */
#define E1000_REG_OFFSET(hw, reg) \
    ((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg)

#define E1000_READ_REG(hw, reg) \
    E1000_READ_OFFSET(hw, E1000_REG_OFFSET(hw, reg))

#define E1000_WRITE_REG(hw, reg, value) \
    E1000_WRITE_OFFSET(hw, E1000_REG_OFFSET(hw, reg), value)

#define E1000_READ_REG_ARRAY(hw, reg, index) \
    E1000_READ_OFFSET(hw, E1000_REG_OFFSET(hw, reg) + ((index) << 2))

#define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
    E1000_WRITE_OFFSET(hw, E1000_REG_OFFSET(hw, reg) + ((index) << 2), value)

#endif  /* _FREEBSD_OS_H_ */