rtm-t_ioctl.h

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/* rtm-t_ioctl.h RTM-T Driver external API                   */
/* ------------------------------------------------------------------------- */
/*   Copyright (C) 2010 Peter Milne, D-TACQ Solutions Ltd
 *                      <Peter dot Milne at D hyphen TACQ dot com>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of Version 2 of the GNU General Public License
    as published by the Free Software Foundation;
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                */
/* ------------------------------------------------------------------------- */
 
#ifndef __RTM_T_IOCTL_H__
#define __RTM_T_IOCTL_H__
 
#include <linux/ioctl.h>
 
 
struct LLC_DEF          
{
    u8 clk_div;     
    u8 fill;
    u8 clk_pos;     
    u8 trg_pos;     
    u32 target_pa;      
};
 
struct AO_LLC_DEF
{               
    int length;     
    u32 src_pa;     
};
 
struct XLLC_DEF {
    unsigned len;     
    u32 pa;       
};
 
struct AB {
    struct XLLC_DEF buffers[2];
};
 
#define MAXABN  256
 
struct ABN {
    int ndesc;
    struct XLLC_DEF buffers[MAXABN];
    /* others tag on behind */
};
 
#define MAX_AO_BUF      4
 
#define AO_BURST_ID     0xA0B55555
 
struct AO_BURST {
    unsigned id;
    unsigned nbuf;
    unsigned tickms;       // msec per tick : 0 means use interrupt
};
 
#define VALID_AO_BURST(p) (((struct AO_BURST*)p)->id == AO_BURST_ID)
 
#define RTM_T_USE_HOSTBUF   0
 
#define DMAGIC 0xDB
 
#define RTM_T_START_STREAM  _IO(DMAGIC,   1)
 
#define RTM_T_START_LLC     _IOW(DMAGIC,   2, struct LLC_DEF)
 
#define RTM_T_START_STREAM_MAX  _IOW(DMAGIC,   3, u32)
 
#define RTM_T_START_AOLLC   _IOW(DMAGIC,   4, struct AO_LLC_DEF)
 
#define AFHBA_START_AI_LLC  _IOWR(DMAGIC,   5, struct XLLC_DEF)
 
#define AFHBA_START_AO_LLC  _IOWR(DMAGIC,   6, struct XLLC_DEF)
 
#define AFHBA_START_AI_AB   _IOWR(DMAGIC,   7, struct AB)
 
#define AFHBA_START_AI_ABN  _IOWR(DMAGIC, 8, struct ABN)
 
#define AFHBA_START_AO_ABN  _IOWR(DMAGIC, 9, struct ABN)
 
/* define an AO_BURST setup */
#define AFHBA_AO_BURST_INIT      _IOWR(DMAGIC, 10, struct AO_BURST)
/* define current buffer id */
#define AFHBA_AO_BURST_SETBUF   _IOWR(DMAGIC, 12, u32)
 
#define RTM_T_START_STREAM_AO _IO(DMAGIC,   11)
 
struct StreamBufferDef {
    u32 ibuf;
    u32 esta;
};
#define IBUF_MAGIC  0xb1f00000
#define IBUF_MAGIC_MASK 0xfff00000
#define IBUF_IDX    0x000f0000
#define IBUF_IDX_SHL    16
#define IBUF_IBUF   0x0000ffff
#define ESTA_CRC    0x0000ffff
#define SBDSZ       sizeof(struct StreamBufferDef)
 
#endif /* __RTM_T_IOCTL_H__ */