/*
* dm9000.c: Version 1.2 03/18/2003
*
* A Davicom DM9000 ISA NIC fast Ethernet driver for Linux.
* Copyright (C) 1997 Sten Wang
*
* 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.
*
* (C)Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved.
*
* V0.11 06/20/2001 REG_0A bit3=1, default enable BP with DA match
* 06/22/2001 Support DM9801 progrmming
* E3: R25 = ((R24 + NF) & 0x00ff) | 0xf000
* E4: R25 = ((R24 + NF) & 0x00ff) | 0xc200
* R17 = (R17 & 0xfff0) | NF + 3
* E5: R25 = ((R24 + NF - 3) & 0x00ff) | 0xc200
* R17 = (R17 & 0xfff0) | NF
*
* v1.00 modify by simon 2001.9.5
* change for kernel 2.4.x
*
* v1.1 11/09/2001 fix force mode bug
*
* v1.2 03/18/2003 Weilun Huang <weilun_huang@davicom.com.tw>:
* Fixed phy reset.
* Added tx/rx 32 bit mode.
* Cleaned up for kernel merge.
*
* 03/03/2004 Sascha Hauer <s.hauer@pengutronix.de>
* Port to 2.6 kernel
*
* 24-Sep-2004 Ben Dooks <ben@simtec.co.uk>
* Cleanup of code to remove ifdefs
* Allowed platform device data to influence access width
* Reformatting areas of code
*
* 17-Mar-2005 Sascha Hauer <s.hauer@pengutronix.de>
* * removed 2.4 style module parameters
* * removed removed unused stat counter and fixed
* net_device_stats
* * introduced tx_timeout function
* * reworked locking
*
* 01-Jul-2005 Ben Dooks <ben@simtec.co.uk>
* * fixed spinlock call without pointer
* * ensure spinlock is initialised
*/
#include <linux/module.h>
#include <linux/ioport.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/crc32.h>
#include <linux/mii.h>
#include <linux/dm9000.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <asm/delay.h>
#include <asm/irq.h>
#include <asm/io.h>
#include "dm9000.h"
/* Board/System/Debug information/definition ---------------- */
#define DM9000_PHY 0x40 /* PHY address 0x01 */
#define TRUE 1
#define FALSE 0
#define CARDNAME "dm9000"
#define PFX CARDNAME ": "
#define DM9000_TIMER_WUT jiffies+(HZ*2) /* timer wakeup time : 2 second */
#define DM9000_DEBUG 0
#if DM9000_DEBUG > 2
#define PRINTK3(args...) printk(CARDNAME ": " args)
#else
#define PRINTK3(args...) do { } while(0)
#endif
#if DM9000_DEBUG > 1
#define PRINTK2(args...) printk(CARDNAME ": " args)
#else
#define PRINTK2(args...) do { } while(0)
#endif
#if DM9000_DEBUG > 0
#define PRINTK1(args...) printk(CARDNAME ": " args)
#define PRINTK(args...) printk(CARDNAME ": " args)
#else
#define PRINTK1(args...) do { } while(0)
#define PRINTK(args...) printk(KERN_DEBUG args)
#endif
/*
* Transmit timeout, default 5 seconds.
*/
static int watchdog = 5000;
module_param(watchdog, int, 0400);
MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
/* Structure/enum declaration ------------------------------- */
typedef struct board_info {
void __iomem *io_addr; /* Register I/O base address */
void __iomem *io_data; /* Data I/O address */
u16 irq; /* IRQ */
u16 tx_pkt_cnt;
u16 queue_pkt_len;
u16 queue_start_addr;
u16 dbug_cnt;
u8 io_mode; /* 0:word, 2:byte */
u8 phy_addr;
void (*inblk)(void __iomem *port, void *data, int length);
void (*outblk)(void __iomem *port, void *data, int length);
void (*dumpblk)(void __iomem *port, int length);
struct resource *addr_res; /* resources found */
struct resource *data_res;
struct resource *addr_req; /* resources requested */
struct resource *data_req;
struct resource *irq_res;
struct timer_list timer;
struct net_device_stats stats;
unsigned char srom[128];
spinlock_t lock;
struct mii_if_info mii;
u32 msg_enable;
} board_info_t;
/* function declaration ------------------------------------- */
static int dm9000_probe(struct platform_device *);
static int dm9000_open(struct net_device *);
static int dm9000_start_xmit(struct sk_buff *, struct net_device *);
static int dm9000_stop