1/******************************************************************************
2 *
3 *	(C)Copyright 1998,1999 SysKonnect,
4 *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
5 *
6 *	This program is free software; you can redistribute it and/or modify
7 *	it under the terms of the GNU General Public License as published by
8 *	the Free Software Foundation; either version 2 of the License, or
9 *	(at your option) any later version.
10 *
11 *	The information in this file is provided "AS IS" without warranty.
12 *
13 ******************************************************************************/
14
15/*
16 *	Operating system specific definitions for driver and
17 *	hardware module.
18 */
19
20#ifndef	TARGETOS_H
21#define TARGETOS_H
22
23
24//-------- those should go into include/linux/pci.h
25#define PCI_VENDOR_ID_SK		0x1148
26#define PCI_DEVICE_ID_SK_FP		0x4000
27//--------
28
29
30
31//-------- those should go into include/linux/if_fddi.h
32#define FDDI_MAC_HDR_LEN 13
33
34#define FDDI_RII	0x01 /* routing information bit */
35#define FDDI_RCF_DIR_BIT 0x80
36#define FDDI_RCF_LEN_MASK 0x1f
37#define FDDI_RCF_BROADCAST 0x8000
38#define FDDI_RCF_LIMITED_BROADCAST 0xA000
39#define FDDI_RCF_FRAME2K 0x20
40#define FDDI_RCF_FRAME4K 0x30
41//--------
42
43
44#undef ADDR
45
46#include <asm/io.h>
47#include <linux/netdevice.h>
48#include <linux/fddidevice.h>
49#include <linux/skbuff.h>
50#include <linux/pci.h>
51
52// is redefined by linux, but we need our definition
53#undef ADDR
54#ifdef MEM_MAPPED_IO
55#define	ADDR(a) (smc->hw.iop+(a))
56#else
57#define	ADDR(a) (((a)>>7) ? (outp(smc->hw.iop+B0_RAP,(a)>>7), (smc->hw.iop+( ((a)&0x7F) | ((a)>>7 ? 0x80:0)) )) : (smc->hw.iop+(((a)&0x7F)|((a)>>7 ? 0x80:0))))
58#endif
59
60#include "hwmtm.h"
61
62#define TRUE  1
63#define FALSE 0
64
65// HWM Definitions
66// -----------------------
67#define FDDI_TRACE(string, arg1, arg2, arg3)	// Performance analysis.
68#ifdef PCI
69#define NDD_TRACE(string, arg1, arg2, arg3)	// Performance analysis.
70#endif	// PCI
71#define SMT_PAGESIZE	PAGE_SIZE	// Size of a memory page (power of 2).
72// -----------------------
73
74
75// SMT Definitions
76// -----------------------
77#define	TICKS_PER_SECOND	HZ
78#define SMC_VERSION    		1
79// -----------------------
80
81
82// OS-Driver Definitions
83// -----------------------
84#define NO_ADDRESS 0xffe0	/* No Device (I/O) Address */
85#define SKFP_MAX_NUM_BOARDS 8	/* maximum number of PCI boards */
86
87#define SK_BUS_TYPE_PCI		0
88#define SK_BUS_TYPE_EISA	1
89
90#define FP_IO_LEN		256	/* length of IO area used */
91
92#define u8	unsigned char
93#define u16	unsigned short
94#define u32	unsigned int
95
96#define MAX_TX_QUEUE_LEN	20 // number of packets queued by driver
97#define MAX_FRAME_SIZE		4550
98
99#define	RX_LOW_WATERMARK	NUM_RECEIVE_BUFFERS  / 2
100#define TX_LOW_WATERMARK	NUM_TRANSMIT_BUFFERS - 2
101
102/*
103** Include the IOCTL stuff
104*/
105#include <linux/sockios.h>
106
107#define	SKFPIOCTL	SIOCDEVPRIVATE
108
109struct s_skfp_ioctl {
110	unsigned short cmd;                /* Command to run */
111	unsigned short len;                /* Length of the data buffer */
112	unsigned char __user *data;        /* Pointer to the data buffer */
113};
114
115/*
116** Recognised ioctl commands for the driver
117*/
118#define SKFP_GET_STATS		0x05 /* Get the driver statistics */
119#define SKFP_CLR_STATS		0x06 /* Zero out the driver statistics */
120
121// The per-adapter driver structure
122struct s_smt_os {
123	struct net_device *dev;
124	struct net_device *next_module;
125	u32	bus_type;		/* bus type (0 == PCI, 1 == EISA) */
126	struct pci_dev 	pdev;		/* PCI device structure */
127
128	unsigned long base_addr;
129	unsigned char factory_mac_addr[8];
130	ulong	SharedMemSize;
131	ulong	SharedMemHeap;
132	void*	SharedMemAddr;
133	dma_addr_t SharedMemDMA;
134
135	ulong	QueueSkb;
136	struct	sk_buff_head SendSkbQueue;
137
138	ulong	MaxFrameSize;
139	u8	ResetRequested;
140
141	// MAC statistics structure
142	struct fddi_statistics MacStat;
143
144	// receive into this local buffer if no skb available
145	// data will be not valid, because multiple RxDs can
146	// point here at the same time, it must be at least
147	// MAX_FRAME_SIZE bytes in size
148	unsigned char *LocalRxBuffer;
149	dma_addr_t LocalRxBufferDMA;
150
151	// Version (required by SMT module).
152	u_long smc_version ;
153
154	// Required by Hardware Module (HWM).
155	struct hw_modul hwm ;
156
157	// For SMP-savety
158	spinlock_t DriverLock;
159
160};
161
162typedef struct s_smt_os skfddi_priv;
163
164#endif	 // _TARGETOS_
165