112 lines
3.7 KiB
C
112 lines
3.7 KiB
C
/* $NetBSD: tms320av110var.h,v 1.1 1997/10/16 23:58:12 is Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1997 Ignatios Souvatzis. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the author nor the names of contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* Machine independent definitions, declarations and data structures for
|
|
* access to the TMS320AV110 data sheet.
|
|
*
|
|
* Currently, only minimum support for audio output. For audio/video
|
|
* synchronization, more is needed.
|
|
*/
|
|
|
|
#ifndef _TMS320AV110_VAR_H_
|
|
#define _TMS320AV110_VAR_H_
|
|
|
|
#include <machine/bus.h>
|
|
|
|
/* softc */
|
|
|
|
struct tav_softc {
|
|
struct device sc_dev;
|
|
|
|
bus_space_tag_t sc_iot;
|
|
bus_space_handle_t sc_ioh;
|
|
|
|
/* above audio callback function */
|
|
void (*sc_intr) __P((void *));
|
|
void *sc_intrarg;
|
|
int sc_bsize;
|
|
|
|
/* below audio interupt acknowledge function. Ignored if NULL */
|
|
void (*sc_intack) __P((struct tav_softc *));
|
|
|
|
/* initialization from below */
|
|
|
|
u_int8_t sc_pcm_div; /* passed in */
|
|
u_int8_t sc_pcm_ord; /* passed in */
|
|
u_int8_t sc_pcm_18; /* passed in */
|
|
u_int8_t sc_dif; /* passed in */
|
|
};
|
|
|
|
/* prototypes */
|
|
|
|
void tms320av110_attach_mi __P((struct tav_softc *));
|
|
int tms320av110_intr __P((void *));
|
|
|
|
static void tav_write_short __P((bus_space_tag_t, bus_space_handle_t,
|
|
bus_size_t, u_int16_t));
|
|
|
|
/* access functions/macros: */
|
|
/* XXX shouldn't these be in the reg.h file? */
|
|
|
|
#define tav_read_byte(ioh, iot, off) bus_space_read_1(ioh, iot, off)
|
|
|
|
#define tav_read_short(ioh, iot, off) ( \
|
|
bus_space_read_1((ioh), (iot), (off)) | \
|
|
bus_space_read_1((ioh), (iot), (off)+1) << 8)
|
|
|
|
#define tav_read_long(ioh, iot, off) ( \
|
|
bus_space_read_1((ioh), (iot), (off)) | \
|
|
bus_space_read_1((ioh), (iot), (off)+1) << 8 | \
|
|
bus_space_read_1((ioh), (iot), (off)+2) << 16 | \
|
|
bus_space_read_1((ioh), (iot), (off)+3))
|
|
|
|
#define tav_read_time(ioh, iot, off) ( \
|
|
bus_space_read_1((ioh), (iot), (off)) | \
|
|
bus_space_read_1((ioh), (iot), (off)+1) << 8 | \
|
|
bus_space_read_1((ioh), (iot), (off)+2) << 16 | \
|
|
bus_space_read_1((ioh), (iot), (off)+3) << 24 | \
|
|
bus_space_read_1((ioh), (iot), (off)+4) << 32)
|
|
|
|
#define tav_write_byte(ioh, iot, off, v) bus_space_write_1(ioh, iot, off, v)
|
|
|
|
static __inline void
|
|
tav_write_short(iot, ioh, off, val)
|
|
bus_space_tag_t iot;
|
|
bus_space_handle_t ioh;
|
|
bus_size_t off;
|
|
u_int16_t val;
|
|
{
|
|
bus_space_write_1(iot, ioh, off+1, (val)>>8);
|
|
bus_space_write_1(iot, ioh, off, (u_int8_t)val);
|
|
}
|
|
|
|
#endif /* _TMS320AV110_VAR_H_ */
|