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|
/* mac8390.c: New driver for 8390-based Nubus (or Nubus-alike)
Ethernet cards on Linux */
/* Based on the former daynaport.c driver, by Alan Cox. Some code
taken from or inspired by skeleton.c by Donald Becker, acenic.c by
Jes Sorensen, and ne2k-pci.c by Donald Becker and Paul Gortmaker.
This software may be used and distributed according to the terms of
the GNU Public License, incorporated herein by reference. */
/* 2000-02-28: support added for Dayna and Kinetics cards by
A.G.deWijn@phys.uu.nl */
/* 2000-04-04: support added for Dayna2 by bart@etpmod.phys.tue.nl */
/* 2001-04-18: support for DaynaPort E/LC-M by rayk@knightsmanor.org */
/* 2001-05-15: support for Cabletron ported from old daynaport driver
* and fixed access to Sonic Sys card which masquerades as a Farallon
* by rayk@knightsmanor.org */
/* 2002-12-30: Try to support more cards, some clues from NetBSD driver */
/* 2003-12-26: Make sure Asante cards always work. */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/interrupt.h>
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/nubus.h>
#include <linux/in.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/bitops.h>
#include <linux/io.h>
#include <asm/system.h>
#include <asm/dma.h>
#include <asm/hwtest.h>
#include <asm/macints.h>
static char version[] =
"v0.4 2001-05-15 David Huggins-Daines <dhd@debian.org> and others\n";
#define EI_SHIFT(x) (ei_local->reg_offset[x])
#define ei_inb(port) in_8(port)
#define ei_outb(val, port) out_8(port, val)
#define ei_inb_p(port) in_8(port)
#define ei_outb_p(val, port) out_8(port, val)
#include "lib8390.c"
#define WD_START_PG 0x00 /* First page of TX buffer */
#define CABLETRON_RX_START_PG 0x00 /* First page of RX buffer */
#define CABLETRON_RX_STOP_PG 0x30 /* Last page +1 of RX ring */
#define CABLETRON_TX_START_PG CABLETRON_RX_STOP_PG
/* First page of TX buffer */
/*
* Unfortunately it seems we have to hardcode these for the moment
* Shouldn't the card know about this?
* Does anyone know where to read it off the card?
* Do we trust the data provided by the card?
*/
#define DAYNA_8390_BASE 0x80000
#define DAYNA_8390_MEM 0x00000
#define CABLETRON_8390_BASE 0x90000
#define CABLETRON_8390_MEM 0x00000
#define INTERLAN_8390_BASE 0xE0000
#define INTERLAN_8390_MEM 0xD0000
enum mac8390_type {
MAC8390_NONE = -1,
MAC8390_APPLE,
MAC8390_ASANTE,
MAC8390_FARALLON,
MAC8390_CABLETRON,
MAC8390_DAYNA,
MAC8390_INTERLAN,
MAC8390_KINETICS,
};
static const char *cardname[] = {
"apple",
"asante",
"farallon",
"cabletron",
"dayna",
"interlan",
"kinetics",
};
static const int word16[] = {
1, /* apple */
1, /* asante */
1, /* farallon */
1, /* cabletron */
0, /* dayna */
1, /* interlan */
0, /* kinetics */
};
/* on which cards do we use NuBus resources? */
static const int useresources[] = {
1, /* apple */
1, /* asante */
1, /* farallon */
0, /* cabletron */
0, /* dayna */
0, /* interlan */
0, /* kinetics */
};
enum mac8390_access {
ACCESS_UNKNOWN = 0,
ACCESS_32,
ACCESS_16,
};
extern int mac8390_memtest(struct net_device *dev);
static int mac8390_initdev(struct net_device *dev, struct nubus_dev *ndev,
enum mac8390_type type);
static int mac8390_open(struct net_device *dev);
static int mac8390_close(struct net_device *dev);
static void mac8390_no_reset(struct net_device *dev);
static void interlan_reset(struct net_device *dev);
/* Sane (32-bit chunk memory read/write) - Some Farallon and Apple do this*/
static void sane_get_8390_hdr(struct net_device *dev,
struct e8390_pkt_hdr *hdr, int ring_page);
static void sane_block_input(struct net_device *dev, int count,
struct sk_buff *skb, int ring_offset);
static void sane_block_output(struct net_device *dev, int count,
const unsigned char *buf, const int start_page);
/* dayna_memcpy to and from card */
static void dayna_memcpy_fromcard(struct net_device *dev, void *to,
int from, int count);
static void dayna_memcpy_tocard(struct net_device *dev, int to,
const void *from, int count);
/* Dayna - Dayna/Kinetics use this */
static void dayna_get_8390_hdr(struct net_device *dev,
struct e8390_pkt_hdr *hdr, int ring_page);
static void dayna_block_input(struct net_device *dev, int count,
struct sk_buff *skb, int ring_offset);
static void dayna_block_output(struct net_device *dev, int count,
const unsigned char *buf, int start_page);
#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
#define memcmp_withio(a, b, c) memcmp((a), (void *)(b), (c))
/* Slow Sane (16-bit chunk memory read/write) Cabletron uses this */
static void slow_sane_get_8390_hdr(struct net_device *dev,
struct e8390_pkt_hdr *hdr, int ring_page);
static void slow_sane_block_input(struct net_device *dev, int count,
struct sk_buff *skb, int ring_offset);
static void slow_sane_block_output(struct net_device *dev, int count,
const unsigned char *buf, int start_page);
static void word_memcpy_tocard(unsigned long tp, const void *fp, int count);
static void word_memcpy_fromcard(void *tp, unsigned long fp, int count);
static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
{
switch (dev->dr_sw) {
case NUBUS_DRSW_3COM:
switch (dev->dr_hw) {
case NUBUS_DRHW_APPLE_SONIC_NB:
case NUBUS_DRHW_APPLE_SONIC_LC:
case NUBUS_DRHW_SONNET:
return MAC8390_NONE;
break;
default:
return MAC8390_APPLE;
break;
}
break;
case NUBUS_DRSW_APPLE:
switch (dev->dr_hw) {
case NUBUS_DRHW_ASANTE_LC:
return MAC8390_NONE;
break;
case NUBUS_DRHW_CABLETRON:
return MAC8390_CABLETRON;
break
|