Prex Home / Browse Source - Prex Version: 0.9.0

root/bsp/drv/include/ddi.h

INCLUDED FROM

   1 /*
   2  * Copyright (c) 2009, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 /*
  31  * ddi.h - Device Driver Interface
  32  */
  34 #ifndef _DDI_H
  35 #define _DDI_H
  37 #include <types.h>
  38 #include <sys/cdefs.h>
  39 #include <sys/types.h>
  40 #include <machine/stdarg.h>
  41 #include <dki.h>
  42 #include <busio.h>              /* bus_read/bus_write */
  44 #ifdef DEBUG
  45 #define ASSERT(exp) do { if (!(exp)) \
assert(__FILE__, __LINE__, #exp); } while (0)
  47 #else
  48 #define ASSERT(exp) ((void)0)
  49 #endif
  52 /*
  53  * I/O request packet
  54  */
  55 struct irp {
  56         int     cmd;            /* I/O command */
  57         int     blkno;          /* block number */
u_long  blksz;          /* block size */
  59         void    *buf;           /* I/O buffer */
  60         int     ntries;         /* retry count */
  61         int     error;          /* error status */
  62         struct event iocomp;    /* I/O completion event */
  63 };
  65 /*
  66  * I/O command
  67  */
  68 #define IO_NONE         0
  69 #define IO_READ         1
  70 #define IO_WRITE        2
  71 #define IO_FORMAT       3       /* not supported */
  72 #define IO_CANCEL       4
__BEGIN_DECLS
  76 void     driver_shutdown(void);
  77 void     calibrate_delay(void);
  78 void     delay_usec(u_long usec);
  80 int      enodev(void);
  81 int      nullop(void);
dma_t    dma_attach(int chan);
  84 void     dma_detach(dma_t handle);
  85 void     dma_setup(dma_t handle, void *addr, u_long count, int read);
  86 void     dma_stop(dma_t handle);
  87 void    *dma_alloc(size_t size);
  89 long     atol(const char *str);
  90 char    *strncpy(char *dest, const char *src, size_t count);
  91 int      strncmp(const char *src, const char *tgt, size_t count);
size_t   strlcpy(char *dest, const char *src, size_t count);
size_t   strnlen(const char *str, size_t max);
  94 void     *memcpy(void *dest, const void *src, size_t count);
  95 void     *memset(void *dest, int ch, size_t count);
u_long   strtoul(const char *nptr, char **endptr, int base);
  99 int      isalnum(int c);
 100 int      isalpha(int c);
 101 int      isblank(int c);
 102 int      isupper(int c);
 103 int      islower(int c);
 104 int      isspace(int c);
 105 int      isdigit(int c);
 106 int      isxdigit(int c);
 107 int      isprint(int c);
 109 #ifdef DEBUG
 110 void     assert(const char *, int, const char *);
 111 #endif
__END_DECLS
 114 #endif /* !_DDI_H */