devices/e1000/e1000_osdep-2.6.18-orig.h
author Patrick Bruenn <p.bruenn@beckhoff.com>
Tue, 12 Apr 2016 11:17:36 +0200
branchstable-1.5
changeset 2654 b3f6b3e5ef29
parent 672 271d6033314f
permissions -rw-r--r--
devices/ccat: revert "limit rx processing to one frame per poll"

revert "limit rx processing to one frame per poll", which caused etherlab
frame timeouts in setups with more than one frame per cycle.
/*******************************************************************************

  
  Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
  
  This program is free software; you can redistribute it and/or modify it 
  under the terms of the GNU General Public License as published by the Free 
  Software Foundation; either version 2 of the License, or (at your option) 
  any later version.
  
  This program is distributed in the hope that it will be useful, but WITHOUT 
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
  more details.
  
  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 59 
  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  
  The full GNU General Public License is included in this distribution in the
  file called LICENSE.
  
  Contact Information:
  Linux NICS <linux.nics@intel.com>
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

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


/* glue for the OS independent part of e1000
 * includes register access macros
 */

#ifndef _E1000_OSDEP_H_
#define _E1000_OSDEP_H_

#include <linux/types.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <linux/interrupt.h>
#include <linux/sched.h>

#ifndef msec_delay
#define msec_delay(x)	do { if(in_interrupt()) { \
				/* Don't mdelay in interrupt context! */ \
	                	BUG(); \
			} else { \
				msleep(x); \
			} } while (0)

/* Some workarounds require millisecond delays and are run during interrupt
 * context.  Most notably, when establishing link, the phy may need tweaking
 * but cannot process phy register reads/writes faster than millisecond
 * intervals...and we establish link due to a "link status change" interrupt.
 */
#define msec_delay_irq(x) mdelay(x)
#endif

#define PCI_COMMAND_REGISTER   PCI_COMMAND
#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE

typedef enum {
#undef FALSE
    FALSE = 0,
#undef TRUE
    TRUE = 1
} boolean_t;

#define MSGOUT(S, A, B)	printk(KERN_DEBUG S "\n", A, B)

#ifdef DBG
#define DEBUGOUT(S)		printk(KERN_DEBUG S "\n")
#define DEBUGOUT1(S, A...)	printk(KERN_DEBUG S "\n", A)
#else
#define DEBUGOUT(S)
#define DEBUGOUT1(S, A...)
#endif

#define DEBUGFUNC(F) DEBUGOUT(F)
#define DEBUGOUT2 DEBUGOUT1
#define DEBUGOUT3 DEBUGOUT2
#define DEBUGOUT7 DEBUGOUT3


#define E1000_WRITE_REG(a, reg, value) ( \
    writel((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg))))

#define E1000_READ_REG(a, reg) ( \
    readl((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg)))

#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) ( \
    writel((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 2))))

#define E1000_READ_REG_ARRAY(a, reg, offset) ( \
    readl((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 2)))

#define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY

#define E1000_WRITE_REG_ARRAY_WORD(a, reg, offset, value) ( \
    writew((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 1))))

#define E1000_READ_REG_ARRAY_WORD(a, reg, offset) ( \
    readw((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 1)))

#define E1000_WRITE_REG_ARRAY_BYTE(a, reg, offset, value) ( \
    writeb((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        (offset))))

#define E1000_READ_REG_ARRAY_BYTE(a, reg, offset) ( \
    readb((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        (offset)))

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

#define E1000_WRITE_ICH8_REG(a, reg, value) ( \
    writel((value), ((a)->flash_address + reg)))

#define E1000_READ_ICH8_REG(a, reg) ( \
    readl((a)->flash_address + reg))

#define E1000_WRITE_ICH8_REG16(a, reg, value) ( \
    writew((value), ((a)->flash_address + reg)))

#define E1000_READ_ICH8_REG16(a, reg) ( \
    readw((a)->flash_address + reg))


#endif /* _E1000_OSDEP_H_ */