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/*****************************************************************************
* sdladrv.h     SDLA Support Module.  Kernel API Definitions.
*
* Author:       Gideon Hack    
*
* Copyright:    (c) 1995-2000 Sangoma Technologies Inc.
*
*               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.
* ============================================================================
* Jun 02, 1999  Gideon Hack     Added support for the S514 PCI adapter.
* Dec 11, 1996  Gene Kozin      Complete overhaul.
* Oct 17, 1996  Gene Kozin      Minor bug fixes.
* Jun 12, 1996  Gene Kozin      Added support for S503 card.
* Dec 06, 1995  Gene Kozin      Initial version.
*****************************************************************************/
#ifndef _SDLADRV_H
#define _SDLADRV_H


#define SDLA_MAXIORANGE 4       /* maximum I/O port range */
#define SDLA_WINDOWSIZE 0x2000  /* default dual-port memory window size */
/****** Data Structures *****************************************************/

/*----------------------------------------------------------------------------
 * Adapter hardware configuration. Pointer to this structure is passed to all
 * APIs.
 */
typedef struct sdlahw
{
        unsigned type;                  /* adapter type */
        unsigned fwid;                  /* firmware ID */
        unsigned port;                  /* adapter I/O port base */
        int irq;                        /* interrupt request level */
        char S514_cpu_no[1];            /* PCI CPU Number */
        unsigned char S514_slot_no;     /* PCI Slot Number */
        char auto_pci_cfg;              /* Autodetect PCI Slot */
        struct pci_dev *pci_dev;        /* PCI device */
        void * dpmbase;                 /* dual-port memory base */
        unsigned dpmsize;               /* dual-port memory size */
        unsigned pclk;                  /* CPU clock rate, kHz */
        unsigned long memory;           /* memory size */
        unsigned long vector;           /* local offset of the DPM window */
        unsigned io_range;              /* I/O port range */
        unsigned char regs[SDLA_MAXIORANGE]; /* was written to registers */
        unsigned reserved[5];
} sdlahw_t;

/****** Function Prototypes *************************************************/

extern int sdla_setup   (sdlahw_t* hw, void* sfm, unsigned len);
extern int sdla_down    (sdlahw_t* hw);
extern int sdla_inten   (sdlahw_t* hw);
extern int sdla_intde   (sdlahw_t* hw);
extern int sdla_intack  (sdlahw_t* hw);
extern void S514_intack  (sdlahw_t* hw, u32 int_status);
extern void read_S514_int_stat (sdlahw_t* hw, u32* int_status);
extern int sdla_intr    (sdlahw_t* hw);
extern int sdla_mapmem  (sdlahw_t* hw, unsigned long addr);
extern int sdla_peek    (sdlahw_t* hw, unsigned long addr, void* buf,
                         unsigned len);
extern int sdla_poke    (sdlahw_t* hw, unsigned long addr, void* buf,
                         unsigned len);
extern int sdla_exec    (void* opflag);

extern unsigned wanpipe_hw_probe(void);

#endif  /* _SDLADRV_H */