if_em_osdep.h

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/*$FreeBSD: /repoman/r/ncvs/src/sys/dev/em/if_em_osdep.h,v 1.14 2005/05/26 23:32:02 tackerman Exp $*/

#ifndef _RTEMS_OS_H_
#define _RTEMS_OS_H_

#include <rtems.h>
#include "../porting/rtemscompat.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 <bsp/pci.h>

/* Eventually, we should include this
#include <rtems/rtems-mii-ioctl.h>
*/
#define IFM_LINK_OK     IFM_FLAG0
#define IFM_ANEG_DIS    IFM_FLAG1

#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))
/* TODO: Should we be paranoid about delaying in interrupt context? */
#define msec_delay_irq(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 bootverbose (1)
    #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 bootverbose (0)
    #define DEBUGOUT7(S,A,B,C,D,E,F,G)
#endif

#define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
#define PCI_COMMAND_REGISTER            PCIR_COMMAND

struct em_osdep
{
    unsigned           mem_bus_space_handle;
    device_t           dev;
};

struct rtems_ifmedia {
    int ifm_media;
};

#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_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY

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

#define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
    bus_space_write_1( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
                       ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
                       E1000_REG_OFFSET(hw, reg) + (index), \
                       value)

#define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
    bus_space_write_2( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
                       ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
                       E1000_REG_OFFSET(hw, reg) + (index), \
                       value)

#define E1000_WRITE_REG_ARRAY_DWORD(hw, reg, index, value) \
    E1000_WRITE_OFFSET(hw, E1000_REG_OFFSET(hw, reg) + ((index) << 2), value)

#endif  /* _FREEBSD_OS_H_ */