include/linux/sdladrv.h

   1 /*****************************************************************************
   2 * sdladrv.h     SDLA Support Module.  Kernel API Definitions.
   3 *
   4 * Author:       Gene Kozin      <genek@compuserve.com>
   5 *
   6 * Copyright:    (c) 1995-1996 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 * Dec 11, 1996  Gene Kozin      Complete overhaul.
  14 * Oct 17, 1996  Gene Kozin      Minor bug fixes.
  15 * Jun 12, 1996  Gene Kozin      Added support for S503 card.
  16 * Dec 06, 1995  Gene Kozin      Initial version.
  17 *****************************************************************************/
  18 #ifndef _SDLADRV_H
  19 #define _SDLADRV_H
  20
  21 #define SDLA_MAXIORANGE 4       /* maximum I/O port range */
  22 #define SDLA_WINDOWSIZE 0x2000  /* default dual-port memory window size */
  23
  24 /****** Data Structures *****************************************************/
  25
  26 /*----------------------------------------------------------------------------
  27  * Adapter hardware configuration. Pointer to this structure is passed to all
  28  * APIs.
  29  */
  30 typedef struct sdlahw
  31 {
  32         unsigned type;                  /* adapter type */
  33         unsigned fwid;                  /* firmware ID */
  34         unsigned port;                  /* adapter I/O port base */
  35         int irq;                        /* interrupt request level */
  36         void * dpmbase;                 /* dual-port memory base */
  37         unsigned dpmsize;               /* dual-port memory size */
  38         unsigned pclk;                  /* CPU clock rate, kHz */
  39         unsigned long memory;           /* memory size */
  40         unsigned long vector;           /* local offset of the DPM window */
  41         unsigned io_range;              /* I/O port range */
  42         unsigned char regs[SDLA_MAXIORANGE]; /* was written to registers */
  43         unsigned reserved[5];
  44 } sdlahw_t;
  45
  46 /****** Function Prototypes *************************************************/
  47
  48 extern int sdla_setup   (sdlahw_t* hw, void* sfm, unsigned len);
  49 extern int sdla_down    (sdlahw_t* hw);
  50 extern int sdla_inten   (sdlahw_t* hw);
  51 extern int sdla_intde   (sdlahw_t* hw);
  52 extern int sdla_intack  (sdlahw_t* hw);
  53 extern int sdla_intr    (sdlahw_t* hw);
  54 extern int sdla_mapmem  (sdlahw_t* hw, unsigned long addr);
  55 extern int sdla_peek    (sdlahw_t* hw, unsigned long addr, void* buf,
  56                          unsigned len);
  57 extern int sdla_poke    (sdlahw_t* hw, unsigned long addr, void* buf,
  58                          unsigned len);
  59 extern int sdla_exec    (void* opflag);
  60
  61 #endif  /* _SDLADRV_H */