sys/dev/ofisa/ofisavar.h

   1 /*      $NetBSD: ofisavar.h,v 1.4.42.1 2005/02/04 11:46:36 skrll Exp $  */
   2
   3 /*
   4  * Copyright 1998
   5  * Digital Equipment Corporation. All rights reserved.
   6  *
   7  * This software is furnished under license and may be used and
   8  * copied only in accordance with the following terms and conditions.
   9  * Subject to these conditions, you may download, copy, install,
  10  * use, modify and distribute this software in source and/or binary
  11  * form. No title or ownership is transferred hereby.
  12  *
  13  * 1) Any source code used, modified or distributed must reproduce
  14  *    and retain this copyright notice and list of conditions as
  15  *    they appear in the source file.
  16  *
  17  * 2) No right is granted to use any trade name, trademark, or logo of
  18  *    Digital Equipment Corporation. Neither the "Digital Equipment
  19  *    Corporation" name nor any trademark or logo of Digital Equipment
  20  *    Corporation may be used to endorse or promote products derived
  21  *    from this software without the prior written permission of
  22  *    Digital Equipment Corporation.
  23  *
  24  * 3) This software is provided "AS-IS" and any express or implied
  25  *    warranties, including but not limited to, any implied warranties
  26  *    of merchantability, fitness for a particular purpose, or
  27  *    non-infringement are disclaimed. In no event shall DIGITAL be
  28  *    liable for any damages whatsoever, and in particular, DIGITAL
  29  *    shall not be liable for special, indirect, consequential, or
  30  *    incidental damages or damages for lost profits, loss of
  31  *    revenue or loss of use, whether such damages arise in contract,
  32  *    negligence, tort, under statute, in equity, at law or otherwise,
  33  *    even if advised of the possibility of such damage.
  34  */
  35
  36 #ifndef _DEV_OFISA_OFISAVAR_H_
  37 #define _DEV_OFISA_OFISAVAR_H_
  38
  39 struct ofisa_attach_args {
  40         struct ofbus_attach_args oba;   /* common */
  41
  42         bus_space_tag_t iot;            /* i/o space tag */
  43         bus_space_tag_t memt;           /* mem space tag */
  44         bus_dma_tag_t   dmat;           /* DMA tag */
  45         isa_chipset_tag_t ic;           /* chipset tag (for intr, etc.) */
  46 };
  47
  48 struct ofisa_reg_desc {
  49         int             type;           /* type.  XXX aliasing modifiers? */
  50         bus_addr_t      addr;           /* base address. */
  51         bus_size_t      len;            /* length. */
  52 };
  53
  54 #define OFISA_REG_TYPE_MEM      0       /* memory space */
  55 #define OFISA_REG_TYPE_IO       1       /* I/O space */
  56
  57 struct ofisa_intr_desc {
  58         int             share;          /* sharing type: IST_*. */
  59         int             irq;            /* IRQ. */
  60 };
  61
  62 struct ofisa_dma_desc {
  63         int             drq;            /* DMA request */
  64         int             mode;           /* DMA mode */
  65         int             width;          /* DMA width */
  66         int             countwidth;     /* DMA count width */
  67         int             busmaster;      /* boolean; is a busmaster */
  68 };
  69
  70 #define OFISA_DMA_MODE_COMPAT   0       /* compatibility mode */
  71 #define OFISA_DMA_MODE_A        1       /* DMA A mode */
  72 #define OFISA_DMA_MODE_B        2       /* DMA B mode */
  73 #define OFISA_DMA_MODE_F        3       /* DMA F mode */
  74 #define OFISA_DMA_MODE_C        4       /* DMA C mode */
  75
  76 /*
  77  * Machine-dependent function/macro definitions.
  78  *
  79  * Machine-dependent code must implement at least:
  80  *
  81  *      int     ofisa_get_isabus_data(int phandle,
  82  *                  struct isabus_attach_args *iba);
  83  *
  84  *      int     ofisa_ignore_child(int pphandle, int cphandle);
  85  *
  86  * Individual ofisa attachments may want addition functions or
  87  * macros from this (or other) headers.  See those attachments'
  88  * files for more details.
  89  */
  90 #include <machine/ofisa_machdep.h>
  91
  92 int     ofisa_reg_count(int);
  93 int     ofisa_reg_get(int, struct ofisa_reg_desc *, int);
  94 void    ofisa_reg_print(struct ofisa_reg_desc *, int);
  95 int     ofisa_intr_count(int);
  96 int     ofisa_intr_get(int, struct ofisa_intr_desc *, int);
  97 void    ofisa_intr_print(struct ofisa_intr_desc *, int);
  98 int     ofisa_dma_count(int);
  99 int     ofisa_dma_get(int, struct ofisa_dma_desc *, int);
 100 void    ofisa_dma_print(struct ofisa_dma_desc *, int);
 101
 102 #endif /* _DEV_OFISA_OFISAVAR_H_ */