hmp4d.h

linux2.6.18下支持sd2.0的驱动程序源码,支持最大32G的SD卡

/*******************************************************************************
*                                                                              *
*        This software is confidential and proprietary and may be used         *
*          only as expressly authorized by a licensing agreement from          *
*                                                                              *
*                             Hantro Products Oy.                              *
*                                                                              *
*       In the event of publication, the following notice is applicable:       *
*                                                                              *
*                    (C) COPYRIGHT 2002 HANTRO PRODUCTS OY                     *
*                             ALL RIGHTS RESERVED                              *
*                                                                              *
*           The entire notice above must be reproduced on all copies.          *
*                                                                              *
********************************************************************************
*
*   Project  : Penguin
*
*   Abstract : Decoder Driver Module Interface
*
********************************************************************************
*
*   Version control information, please leave untouched.
*
*   $RCSfile$
*   $Date: 2006-03-15 11:58:36 +0800 (Wed, 15 Mar 2006) $
*   $Revision: 2 $
*
*******************************************************************************/

#ifndef _HMP4D_H_
#define _HMP4D_H_
#include <linux/ioctl.h>    /* needed for the _IOW etc stuff used later */

/*
 * Macros to help debugging
 */

#undef PDEBUG /* undef it, just in case */
#ifdef HMP4D_DEBUG
#  ifdef __KERNEL__
    /* This one if debugging is on, and kernel space */
#    define PDEBUG(fmt, args...) printk( KERN_INFO "hmp4d: " __FILE__ "%d " fmt, __LINE__ , ## args)
#  else
    /* This one for user space */
#    define PDEBUG(fmt, args...) fprintf(stderr, fmt, ## args)
#  endif
#else
#  define PDEBUG(fmt, args...)  /* not debugging: nothing */
#endif

/*
 * Ioctl definitions
 */


/* Use 'k' as magic number */
#define HMP4D_IOC_MAGIC  'k'
/*
 * S means "Set" through a ptr,
 * T means "Tell" directly with the argument value
 * G means "Get": reply by setting through a pointer
 * Q means "Query": response is on the return value
 * X means "eXchange": G and S atomically
 * H means "sHift": T and Q atomically
 */
#define HMP4D_IOCGBUFBUSADDR    _IOR(HMP4D_IOC_MAGIC,  1, unsigned long *)
#define HMP4D_IOCGBUFSIZE       _IOR(HMP4D_IOC_MAGIC,  2, unsigned int *)
#define HMP4D_IOCGHWOFFSET      _IOR(HMP4D_IOC_MAGIC,  3, unsigned long *)
#define HMP4D_IOCGHWIOSIZE      _IOR(HMP4D_IOC_MAGIC,  4, unsigned int *)
#define HMP4D_IOCXVIRT2BUS      _IOWR(HMP4D_IOC_MAGIC,  5, unsigned long *)
/* ... more to come */
#define HMP4D_IOCHARDRESET _IO(HMP4D_IOC_MAGIC, 15) /* debugging tool */
#define HMP4D_IOC_MAXNR 15

#endif /* _HMP4D_H_ */