1/*****************************************************************************
2* sdladrv.h	SDLA Support Module.  Kernel API Definitions.
3*
4* Author: 	Gideon Hack
5*
6* Copyright:	(c) 1995-2000 Sangoma Technologies Inc.
7*
8*		This program is free software; you can redistribute it and/or
9*		modify it under the terms of the GNU General Public License
10*		as published by the Free Software Foundation; either version
11*		2 of the License, or (at your option) any later version.
12* ============================================================================
13* Jun 02, 1999 	Gideon Hack	Added support for the S514 PCI adapter.
14* Dec 11, 1996	Gene Kozin	Complete overhaul.
15* Oct 17, 1996	Gene Kozin	Minor bug fixes.
16* Jun 12, 1996	Gene Kozin 	Added support for S503 card.
17* Dec 06, 1995	Gene Kozin	Initial version.
18*****************************************************************************/
19#ifndef	_SDLADRV_H
20#define	_SDLADRV_H
21
22#include <linux/version.h>
23
24#ifndef KERNEL_VERSION
25  #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
26#endif
27
28#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
29#define LINUX_2_4
30#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
31#define LINUX_2_1
32#else
33#define LINUX_2_0
34#endif
35
36#define	SDLA_MAXIORANGE	4	/* maximum I/O port range */
37#define	SDLA_WINDOWSIZE	0x2000	/* default dual-port memory window size */
38/****** Data Structures *****************************************************/
39
40/*----------------------------------------------------------------------------
41 * Adapter hardware configuration. Pointer to this structure is passed to all
42 * APIs.
43 */
44typedef struct sdlahw
45{
46	unsigned type;			/* adapter type */
47	unsigned fwid;			/* firmware ID */
48	unsigned port;			/* adapter I/O port base */
49	int irq;			/* interrupt request level */
50	char S514_cpu_no[1];		/* PCI CPU Number */
51	unsigned char S514_slot_no;	/* PCI Slot Number */
52	char auto_pci_cfg;		/* Autodetect PCI Slot */
53#if defined(LINUX_2_1) || defined(LINUX_2_4)
54	struct pci_dev *pci_dev;	/* PCI device */
55#else
56	unsigned char pci_bus;		/* PCI bus number */
57	unsigned char pci_dev_func;	/* PCI device/function number */
58#endif
59	void * dpmbase;			/* dual-port memory base */
60	unsigned dpmsize;		/* dual-port memory size */
61	unsigned pclk;			/* CPU clock rate, kHz */
62	unsigned long memory;		/* memory size */
63	unsigned long vector;		/* local offset of the DPM window */
64	unsigned io_range;		/* I/O port range */
65	unsigned char regs[SDLA_MAXIORANGE]; /* was written to registers */
66	unsigned reserved[5];
67} sdlahw_t;
68
69/****** Function Prototypes *************************************************/
70
71extern int sdla_setup	(sdlahw_t* hw, void* sfm, unsigned len);
72extern int sdla_down	(sdlahw_t* hw);
73extern int sdla_inten	(sdlahw_t* hw);
74extern int sdla_intde	(sdlahw_t* hw);
75extern int sdla_intack	(sdlahw_t* hw);
76extern void S514_intack  (sdlahw_t* hw, u32 int_status);
77extern void read_S514_int_stat (sdlahw_t* hw, u32* int_status);
78extern int sdla_intr	(sdlahw_t* hw);
79extern int sdla_mapmem	(sdlahw_t* hw, unsigned long addr);
80extern int sdla_peek	(sdlahw_t* hw, unsigned long addr, void* buf,
81			 unsigned len);
82extern int sdla_poke	(sdlahw_t* hw, unsigned long addr, void* buf,
83			 unsigned len);
84extern int sdla_exec	(void* opflag);
85
86extern unsigned wanpipe_hw_probe(void);
87
88#endif	/* _SDLADRV_H */
89