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/* $OpenBSD: i2svar.h,v 1.1 2005/10/26 17:57:20 joris Exp $ */
/* $Id: i2svar.h,v 1.1 2005/10/26 17:57:20 joris Exp $ */
/*-
* Copyright (c) 2001,2003 Tsubai Masanari. 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#if !defined(I2S_H_INCLUDE)
#define I2S_H_INCLUDE
#define I2S_DMALIST_MAX 32
#define I2S_DMASEG_MAX NBPG
struct i2s_dma {
bus_dmamap_t map;
caddr_t addr;
bus_dma_segment_t segs[I2S_DMALIST_MAX];
int nsegs;
size_t size;
struct i2s_dma *next;
};
struct i2s_softc {
struct device sc_dev;
int sc_flags;
int sc_node;
void (*sc_ointr)(void *); /* dma completion intr handler */
void *sc_oarg; /* arg for sc_ointr() */
int sc_opages; /* # of output pages */
void (*sc_iintr)(void *); /* dma completion intr handler */
void *sc_iarg; /* arg for sc_iintr() */
u_int sc_record_source; /* recording source mask */
u_int sc_output_mask; /* output source mask */
void (*sc_setvolume)(struct i2s_softc *, int, int);
u_char *sc_reg;
void *sc_i2c;
u_int sc_rate;
u_int sc_vol_l;
u_int sc_vol_r;
bus_dma_tag_t sc_dmat;
dbdma_regmap_t *sc_odma;
dbdma_regmap_t *sc_idma;
struct dbdma_command *sc_odmacmd, *sc_odmap;
struct dbdma_command *sc_idmacmd, *sc_idmap;
dbdma_t sc_odbdma, sc_idbdma;
struct i2s_dma *sc_dmas;
};
void i2s_attach(struct device *, struct i2s_softc *, struct confargs *);
int i2s_intr(void *);
int i2s_open(void *, int);
void i2s_close(void *);
int i2s_query_encoding(void *, struct audio_encoding *);
int i2s_set_params(void *, int, int, struct audio_params *, struct audio_params *);
int i2s_round_blocksize(void *, int);
int i2s_halt_output(void *);
int i2s_halt_input(void *);
int i2s_set_port(void *, mixer_ctrl_t *);
int i2s_get_port(void *, mixer_ctrl_t *);
int i2s_query_devinfo(void *, mixer_devinfo_t *);
size_t i2s_round_buffersize(void *, int, size_t);
paddr_t i2s_mappage(void *, void *, off_t, int);
int i2s_get_props(void *);
int i2s_trigger_output(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
int i2s_trigger_input(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
int i2s_set_rate(struct i2s_softc *, int);
void i2s_gpio_init(struct i2s_softc *, int, struct device *);
void *i2s_allocm(void *, int, size_t, int, int);
int deq_reset(struct i2s_softc *);
#endif
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