toklibioslib.h

TI OMAP 1510上mcbsp的驱动程序

/*
 * dspapps/dsp/tokliBIOS/supertask.h
 *
 * Header for OMAP DSP bridge DSP-side core library
 *
 * Copyright (C) 2002,2003 Nokia Corporation
 *
 * Written by Toshihiro Kobayashi <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * $Id: tokliBIOSlib.h
 * $Revision: 2.0
 * $Date: 2003/11/11
 *
 */
#ifndef __TOKLIBIOSLIB_H
#define __TOKLIBIOSLIB_H

#define TQ_USE_MALLOC // FIXME: delete!
#undef BKYLD_IN_INTHANDLER

#include <std.h>
#include <sem.h>
#include <tsk.h>
#include "omap1510.h"
#include "mailbox.h"
#include "list.h"
#include "tokliBIOS.h"

struct ipbuf {
	Uns	c;	// count
	Uns	next;	// link
	Uns	la;	// lock owner (ARM side)
	Uns	sa;	// sync word (ARM->DSP)
	Uns	ld;	// lock owner (DSP side)
	Uns	sd;	// sync word (DSP->ARM)
	Uns	d[1]; // data
};

struct ipbuf_p {
	Uns	c;	// count
	Uns	s;	// sync word
	Uns	al;	// data address lower
	Uns	ah;	// data address upper
};

struct mailboxq {
	Uns	cmd_h;
	Uns	data;
};

struct procq {
	struct list_head	list_head;
	Uns	(*func)(struct dsptask *task);
	Uns	tid;
};

#define MBQ_MAX	8

#ifndef TQ_USE_MALLOC
#define TQ_MAX 8
#endif

/*
 * task private properties
 */
#define TASK_STAT_RUNNING	1
#define TASK_STAT_STOP		2

struct task_prop {
	struct ipbuf_p	ipbuf_p_snd, ipbuf_p_req;
	TSK_Handle	tsk;
	SEM_Handle	sem;
	Int		stat;
	Uns		mbq_wp, mbq_rp;
	struct mailboxq	mbq[MBQ_MAX];
};

#define N_TASK_MAX	32 // FIXME!!!
extern Int		_n_task;
extern struct dsptask	*task_user[];

extern struct dsptask	*dsptask[];
extern struct task_prop	*task_prop[];
extern struct dsptask	task_anon;

extern struct ipbuf	**ipbuf;

extern Uns	_ipbuf_sz;
extern Uns	_ipbuf_lines;
extern Uns	_ipbuf_keep;
extern Int	_ipbuf_body[];

extern struct ipbuf_p	ipbuf_sys;

struct ipblink {
	Uns	top;
	Uns	tail;
};

#define INIT_IPBLINK(link) \
	do { \
		(link)->top  = MBCMD_BID_NULL; \
		(link)->tail = MBCMD_BID_NULL; \
	} while(0)

#define ipblink_empty(link)	((link)->top == MBCMD_BID_NULL)

static inline Void ipblink_del_top(struct ipblink *link,
				       struct ipbuf **ipbuf)
{
	struct ipbuf	*bufp = ipbuf[link->top];

	if((link->top = bufp->next) == MBCMD_BID_NULL)
		link->tail = MBCMD_BID_NULL;
	else
		bufp->next = MBCMD_BID_NULL;
}

static inline Void ipblink_add_tail(struct ipblink *link, Uns bid,
					struct ipbuf **ipbuf)
{
	if(ipblink_empty(link))
		link->top = bid;
	else
		ipbuf[link->tail]->next = bid;
	link->tail = bid;
}


#define is_external(adr) \
	((((LgUns)(adr) >= DARAM_BASE) && \
	  ((LgUns)(adr) <  SARAM_TOP)) ? FALSE : TRUE)
#define mbcmd(cmd,tid)	((Uns)cmd<<8 | tid)
#define sys_cmderr(eid,dat)	mbsend(mbcmd(MBCMD_ERR,eid),dat)

static inline Void busywait(Uns cnt)
{
	Uns	i;
	for(i=0; i<cnt; i++);
}

extern Void mbsend(Uns cmd, Uns data);
extern Uns release_ipbuf(Uns bid);
extern Void balance_ipbuf(Void);
extern Uns sync_ipbuf(Uns tid, Uns bid);
extern Uns sync_ipbuf_anon(Uns bid);
extern Void init_ipbuf(Void);
extern Void task_config(struct dsptask *task, struct task_prop *prop,
		        Uns tid);
extern Void task_unconfig(Uns tid);
extern Int register_mbq(Uns tid, Uns cmd_h, Uns data);

extern Void init_tasks(Void);
extern Void init_super(Void);
extern Void supertask(Void);
extern Void register_super_mbq(Uns cmd_h, Uns cmd_l, Uns data);

extern Void init_icr(Void);
extern Uns get_icr_mask(Void);
extern Void set_icr_mask(Uns val);
#ifdef DEBUG_WAKEUP_CNT
extern LgUns get_wakeup_cnt();
extern Void clear_wakeup_cnt();
#endif /* DEBUG_WAKEUP_CNT */

extern Void init_wdt(Void);
extern Void wdt_reflesh(Void);
extern Void wdt_start(Void);
extern Void wdt_stop(Void);

extern Void init_timer(Void);
extern Void timer1_start(Void);
extern Void timer1_stop(Void);
extern Void init_tq(Void);
extern Void *register_tq_1s(struct dsptask *task,
			    Uns (*f)(struct dsptask *task));
extern Void unregister_tq_1s(struct dsptask *task, Void *id);

#endif /* __TOKLIBIOSLIB_H */