dsp.h

Linux Kernel 2.6.9 for OMAP1710

/*
 * linux/arch/arm/mach-omap/dsp/dsp.h
 *
 * Header for OMAP DSP driver
 *
 * Copyright (C) 2002-2004 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: dsp.h
 * $Revision: 3.0.1
 * $Date: 2004/10/04
 *
 */

#include "hardware_dsp.h"
#include "dsp_common.h"

#  define DSP_INIT_PAGE	0xfff000
/* idle program will be placed at IDLEPG_BASE. */
#  define IDLEPG_BASE	0xfffe00
#  define IDLEPG_SIZE	0x100

/*
 * INT_D2A_MB value definition
 *   INT_DSP_MAILBOX1: use Mailbox 1 (INT 10) for DSP->ARM mailbox
 *   INT_DSP_MAILBOX2: use Mailbox 2 (INT 11) for DSP->ARM mailbox
 */
#define INT_D2A_MB1	INT_DSP_MAILBOX1

/*
 * MBSEQ_CHECKLEVEL value definition
 *   0: no check
 *   1: notify SEQ error
 *   2: SEQ error is not reported
 */
#define MBSEQ_CHECKLEVEL 1

#define CFGSTAT_ERR	0
#define CFGSTAT_GOING	1
#define CFGSTAT_DONE	2
#define CFGSTAT_ABORT	3

/* keep 2 entries for OMAP_DSP_TID_FREE and OMAP_DSP_TID_ANON */
#define TASKDEV_MAX	254

struct sync_seq {
	unsigned short da_dsp;
	unsigned short da_arm;
	unsigned short ad_dsp;
	unsigned short ad_arm;
};

#define MKLONG(uw,lw)	(((unsigned long)(uw)) << 16 | (lw))
#define MBCMD(nm)	OMAP_DSP_MBCMD_##nm

#define mb_sqbit(cmd)	((cmd) >> 15)
#define mb_cmd_h(cmd)	(((cmd) & 0x7f00) >> 8)
#define mb_cmd_l(cmd)	((cmd) & 0x00ff)

#define MBSENDTYPE_NOWAIT	0	/* never wait */
#define MBSENDTYPE_NORMAL	1	/* waits */
#define MBSENDTYPE_RECOVERY	2	/* used for mmu err recovery comand */

extern void omap_dsp_cur_users_add(struct task_struct *tsk);
extern void omap_dsp_cur_users_del(struct task_struct *tsk);
extern void omap_dsp_cur_users_flush(void);
extern void omap_dsp_cur_users_map_update(void);
extern void omap_dsp_mb_config(void);
extern void omap_dsp_mb_unconfig(void);
extern int sync_with_dsp(unsigned short *syncwd, unsigned short tid,
			 int try_cnt);
#define omap_dsp_mbsend(cmd_h, cmd_l, data) \
	__omap_dsp_mbsend(cmd_h, cmd_l, data, 0, 0, NULL, MBSENDTYPE_NORMAL)
#define omap_dsp_mbsend_recovery(cmd_h, cmd_l, data) \
	__omap_dsp_mbsend(cmd_h, cmd_l, data, 0, 0, NULL, MBSENDTYPE_RECOVERY)
#define omap_dsp_mbsend_exarg(cmd_h, cmd_l, data, tid, argc, argv) \
	__omap_dsp_mbsend(cmd_h, cmd_l, data, tid, argc, argv, MBSENDTYPE_NORMAL)
extern int __omap_dsp_mbsend(unsigned char cmd_h, unsigned char cmd_l,
			     unsigned short data, unsigned char tid,
			     int argc, unsigned short *argv, int sendtype);
#define omap_dsp_mbsend_and_wait(cmd_h, cmd_l, data, q) \
	omap_dsp_mbsend_and_wait_exarg(cmd_h, cmd_l, data, 0, 0, NULL, q)
extern int omap_dsp_mbsend_and_wait_exarg(unsigned char cmd_h,
					  unsigned char cmd_l,
					  unsigned short data,
					  unsigned char tid,
					  int argc, unsigned short *argv,
					  wait_queue_head_t *q);

extern int omap_dsp_ipbuf_config(unsigned short ln, unsigned short lsz,
				 unsigned long adr, unsigned short dspkp);
extern void omap_dsp_ipbuf_unconfig(void);
extern void omap_dsp_ipbuf_pcfg(void);
extern int is_ipbuf_internal_mem(void);
extern unsigned short get_free_ipbuf(unsigned char tid);
extern void unuse_ipbuf(unsigned short bid, int sendtype);
extern void release_ipbuf(unsigned short bid);
extern void balance_ipbuf(int sendtype);

extern int omap_dsp_is_config_done(void);
extern int omap_dsp_dspuncfg(void);
extern void omap_dsp_runlevel(unsigned char level);

extern int omap_dsp_task_config_all(unsigned char n);
extern void omap_dsp_task_unconfig_all(void);
extern unsigned char dsp_task_count(void);
extern int omap_dsp_taskmod_busy(void);
extern int omap_dsp_mkdev(char *name);
extern int omap_dsp_rmdev(char *name);
extern int omap_dsp_tadd(unsigned char minor, unsigned long adr);
extern int omap_dsp_tdel(unsigned int minor);
extern int omap_dsp_taskdev_openstat(unsigned char minor);

#define release_ipbuf_pvt(ipbuf_pvt) \
	do { \
		(ipbuf_pvt)->s = OMAP_DSP_TID_FREE; \
	} while(0)

#ifdef CONFIG_PROC_FS
extern int omap_dsp_ipbuf_held(unsigned char tid, unsigned short bid);
#endif /* CONFIG_PROC_FS */

extern void omap_dsp_mmu_shutdown(void);
extern int omap_dsp_enable_dspmem(void);
extern int omap_dsp_disable_dspmem(void);
extern void omap_dsp_map_update(struct task_struct *tsk);
extern unsigned long omap_dsp_virt_to_phys(void *vadr, size_t *len);

extern void omap_dsp_twch_config(unsigned char n);
extern void omap_dsp_twch_unconfig(void);
extern void omap_dsp_twch_touch(void);

extern void omap_dsp_err_config(void);
extern void omap_dsp_err_unconfig(void);
extern void omap_dsp_err_mmu_set(unsigned long adr);
extern void omap_dsp_err_mmu_clear(void);
extern int omap_dsp_err_mmu_isset(void);
extern void omap_dsp_err_wdt_clear(void);
extern int omap_dsp_err_wdt_isset(void);

extern char *cmd_name(unsigned char cmd_h);
extern char *subcmd_name(unsigned char cmd_h, unsigned char cmd_l);
#define CONFIG_OMAP_DSP_MBLOG
#ifdef CONFIG_OMAP_DSP_MBLOG
#define MBLOG_DIR_AD	1
#define MBLOG_DIR_DA	2
extern void omap_dsp_mblog_add(unsigned short cmd, unsigned short data,
			      char dir);
#else /* CONFIG_OMAP_DSP_MBLOG */
#define omap_dsp_mblog_add(cmd, data, dir)	do {} while(0)
#endif /* CONFIG_OMAP_DSP_MBLOG */
#ifdef CONFIG_OMAP_DSP_MBCMD_VERBOSE
extern void omap_dsp_mblog_printcmd(unsigned short cmd, unsigned short data,
				   char dir);
#else /* CONFIG_OMAP_DSP_MBCMD_VERBOSE */
#define omap_dsp_mblog_printcmd(cmd, data, dir)	do {} while(0)
#endif /* CONFIG_OMAP_DSP_MBCMD_VERBOSE */

extern struct ipbuf **ipbuf;
extern struct ipbcfg ipbcfg;
extern struct ipbuf_sys *ipbuf_sys_da, *ipbuf_sys_ad;
extern struct sync_seq *sync_seq;

#ifdef CONFIG_PROC_FS
extern struct proc_dir_entry *procdir_dsp;
#endif /* CONFIG_PROC_FS */