FreeBSD/Linux Kernel Cross Reference
sys/dev/ofisa/ofisavar.h

     /*      $NetBSD: ofisavar.h,v 1.4 1999/03/19 03:30:35 cgd Exp $ */
     
     /*
      * Copyright 1998
      * Digital Equipment Corporation. All rights reserved.
      *
      * This software is furnished under license and may be used and
      * copied only in accordance with the following terms and conditions.
      * Subject to these conditions, you may download, copy, install,
     * use, modify and distribute this software in source and/or binary
     * form. No title or ownership is transferred hereby.
     *
     * 1) Any source code used, modified or distributed must reproduce
     *    and retain this copyright notice and list of conditions as
     *    they appear in the source file.
     *
     * 2) No right is granted to use any trade name, trademark, or logo of
     *    Digital Equipment Corporation. Neither the "Digital Equipment
     *    Corporation" name nor any trademark or logo of Digital Equipment
     *    Corporation may be used to endorse or promote products derived
     *    from this software without the prior written permission of
     *    Digital Equipment Corporation.
     *
     * 3) This software is provided "AS-IS" and any express or implied
     *    warranties, including but not limited to, any implied warranties
     *    of merchantability, fitness for a particular purpose, or
     *    non-infringement are disclaimed. In no event shall DIGITAL be
     *    liable for any damages whatsoever, and in particular, DIGITAL
     *    shall not be liable for special, indirect, consequential, or
     *    incidental damages or damages for lost profits, loss of
     *    revenue or loss of use, whether such damages arise in contract,
     *    negligence, tort, under statute, in equity, at law or otherwise,
     *    even if advised of the possibility of such damage.
     */
    
    #ifndef _DEV_OFISA_OFISAVAR_H_
    #define _DEV_OFISA_OFISAVAR_H_
    
    struct ofisa_attach_args {
            struct ofbus_attach_args oba;   /* common */
    
            bus_space_tag_t iot;            /* i/o space tag */
            bus_space_tag_t memt;           /* mem space tag */
            bus_dma_tag_t   dmat;           /* DMA tag */
            isa_chipset_tag_t ic;           /* chipset tag (for intr, etc.) */
    };
    
    struct ofisa_reg_desc {
            int             type;           /* type.  XXX aliasing modifiers? */
            bus_addr_t      addr;           /* base address. */
            bus_size_t      len;            /* length. */
    };
    
    #define OFISA_REG_TYPE_MEM      0       /* memory space */
    #define OFISA_REG_TYPE_IO       1       /* I/O space */
    
    struct ofisa_intr_desc {
            int             share;          /* sharing type: IST_*. */
            int             irq;            /* IRQ. */
    };
    
    struct ofisa_dma_desc {
            int             drq;            /* DMA request */
            int             mode;           /* DMA mode */
            int             width;          /* DMA width */
            int             countwidth;     /* DMA count width */
            int             busmaster;      /* boolean; is a busmaster */
    };
    
    #define OFISA_DMA_MODE_COMPAT   0       /* compatibility mode */
    #define OFISA_DMA_MODE_A        1       /* DMA A mode */
    #define OFISA_DMA_MODE_B        2       /* DMA B mode */
    #define OFISA_DMA_MODE_F        3       /* DMA F mode */
    #define OFISA_DMA_MODE_C        4       /* DMA C mode */
    
    /*
     * Machine-dependent function/macro definitions.
     *
     * Machine-dependent code must implement at least:
     *
     *      int     ofisa_get_isabus_data(int phandle,
     *                  struct isabus_attach_args *iba);
     *
     *      int     ofisa_ignore_child(int pphandle, int cphandle);
     *
     * Individual ofisa attachments may want addition functions or
     * macros from this (or other) headers.  See those attachments'
     * files for more details.
     */
    #include <machine/ofisa_machdep.h>
    
    int     ofisa_reg_count __P((int));
    int     ofisa_reg_get __P((int, struct ofisa_reg_desc *, int));
    void    ofisa_reg_print __P((struct ofisa_reg_desc *, int));
    int     ofisa_intr_count __P((int));
    int     ofisa_intr_get __P((int, struct ofisa_intr_desc *, int));
    void    ofisa_intr_print __P((struct ofisa_intr_desc *, int));
    int     ofisa_dma_count __P((int));
    int     ofisa_dma_get __P((int, struct ofisa_dma_desc *, int));
   void    ofisa_dma_print __P((struct ofisa_dma_desc *, int));
   
   #endif /* _DEV_OFISA_OFISAVAR_H_ */

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