/* $NetBSD: interwavevar.h,v 1.20 2020/02/29 05:51:11 isaki Exp $ */

/* $NetBSD: interwavevar.h,v 1.20 2020/02/29 05:51:11 isaki Exp $ */

/*
* Copyright (c) 1997, 1999, 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Author: Kari Mettinen
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

#ifndef INTERWAVEVAR_H
#define INTERWAVEVAR_H

typedef struct iw_voice_info {
u_char bank; /* lower 2 bits select one of 4 4M bank for voice data */
u_long start; /* voice data start address */
u_long end;
#define SACI_IRQ 0x80
#define SACI_BACKWARDS 0x40
#define SACI_IRQ_ENABLE 0x20
#define SACI_BOUNCE 0x10
#define SACI_LOOP 0x08
#define SACI_16BIT 0x04
#define SACI_STOP_1 0x02
#define SACI_STOP_0 0x01
u_char format; /* SACI , voice direction, format */
u_char volume;
#define SVCI_VOLUME_IRQ 0x80
#define SVCI_DIRECTION 0x40
#define SVCI_IRQ_ENABLE 0x20
#define SVCI_BOUNCE 0x10
#define SVCI_LOOP 0x08
#define SVCI_PCM 0x04 /* for playback continue over voice end */
#define SVCI_STOP_1 0x02
#define SVCI_STOP_0 0x01
u_char volume_control;
u_short left_offset; /* usually fully left */
u_short right_offset;
u_char effect_acc;
#define SMSI_ROM 0x80
#define SMSI_ULAW 0x40
#define SMSI_OFFSET_ON 0x20
#define SMSI_ALT_EFF 0x10
#define SMSI_OFF 0x02
#define SMSI_EFFECT 0x01
u_char mode;

} iw_voice_info_t;

typedef struct iw_port_info {
char off;
char pad[3];
int voll;
int volr;
} iw_port_info_t;

struct iw_softc {
device_t sc_dev;
bus_space_tag_t sc_iot; /* bus cookie */
isa_chipset_tag_t sc_ic;
kmutex_t sc_lock;
kmutex_t sc_intr_lock;

int vers;
int revision;
int sc_fullduplex;
int sc_irate;
int sc_orate;
u_long sc_dma_flags;
int sc_irq;
int sc_midi_irq;

void (*sc_recintr)(void *);
void *sc_recarg;
void *sc_recdma_bp;
int sc_playdrq;
bus_size_t sc_play_maxsize;
int sc_recdrq;
bus_size_t sc_rec_maxsize;
int sc_recdma_cnt;
int sc_playing;
int sc_maxdma;

u_long outfifo;
u_long infifo;

int fifosize;
u_short silence;

u_long sc_last_dmasize;
u_long sc_last_playsize;
u_long sc_last_played;
u_long sc_play_pos; /* position of next free byte in buffer */
u_long sc_play_start; /* address of start of the buffer */
u_long sc_play_end; /* end */

void (*sc_playintr)(void *);
void *sc_playarg;
void *sc_playdma_bp;
int sc_playdma_cnt;

int play_encoding;
int play_channels;
int play_precision;
int sc_playlastcc;

int sc_fillcount;
int bytesout;
int bytesin;

int sc_playbuf_available;
int sc_recbuf_available;

int rec_encoding;
int rec_channels;
int rec_precision;
int sc_reclastcc;

u_char recfmtbits;
u_char playfmtbits;
u_char sc_recsrcbits;
int (*sc_ih)(void *);
iw_port_info_t sc_mic;
iw_port_info_t sc_aux1;
iw_port_info_t sc_aux2;
iw_port_info_t sc_linein;
iw_port_info_t sc_lineout;
iw_port_info_t sc_rec;
iw_port_info_t sc_dac;
iw_port_info_t sc_loopback;
iw_port_info_t sc_monoin;
volatile u_short flags; /* InterWave stat flags */

bus_space_handle_t dir_h; /* dummy handle for direct access*/
int codec_index; /* Base Port for Codec */
bus_space_handle_t codec_index_h;
isa_chipset_tag_t sc_codec_ic;
int pcdrar; /* Base Port for Ext Device */
int p2xr; /* Compatibility Base Port */
bus_space_handle_t p2xr_h;
isa_chipset_tag_t sc_p2xr_ic;
int p3xr; /* MIDI and Synth Base Port */
bus_space_handle_t p3xr_h;
isa_chipset_tag_t sc_p3xr_ic;
int p401ar; /* Gen Purpose Reg. 1 address */
int p201ar; /* Game Ctrl normally at 0x201 */
int pataar; /* Base Address for ATAPI I/O Space */

int p388ar; /* Base Port for AdLib. It should bbe 388h */
int pnprdp; /* PNP read data port */
int igidxr; /* Gen Index Reg at P3XR+0x03 */
int i16dp; /* 16-bit data port at P3XR+0x04 */
int i8dp; /* 8-bit data port at P3XR+0x05 */
int svsr; /* Synth Voice Select at P3XR+0x02 */
int cdatap; /* Codec Indexed Data Port at PCODAR+0x01 */
int csr1r; /* Codec Stat Reg 1 at PCODAR+0x02 */
int cxdr; /* Play or Record Data Reg at PCODAR+0x03 */
int gmxr; /* GMCR or GMSR at P3XR+0x00 */
int gmxdr; /* GMTDR or GMRDR at P3XR+0x01 */
int lmbdr; /* LMBDR at P3XR+0x07 */
u_char csn; /* Card Select Number */
u_char cmode; /* Codec Operation Mode */
int dma1_chan; /* DMA channel 1 (local DMA & codec rec) */
int dma2_chan; /* DMA channel 2 (codec play) */
int ext_chan; /* Ext Dev DMA channel */
u_char voices; /* Number of active voices */
u_long vendor; /* Vendor ID and Product Identifier */
long free_mem; /* Address of First Free LM Block */
long reserved_mem; /* Amount of LM reserved by app. */
u_char smode; /* Synth Mode */
long size_mem; /* Total LM in bytes */
struct cfdriver *iw_cd;
const struct audio_hw_if *iw_hw_if;
};

void iwattach(struct iw_softc *);

int iwopen(struct iw_softc *, int); /* open hardware */
void iwclose(void *); /* close hardware */

/* Format. */
int iw_query_format(void *, audio_format_query_t *);
int iw_audio_set_format(void *, int,
const audio_params_t *, const audio_params_t *,
audio_filter_reg_t *, audio_filter_reg_t *);

int iw_commit_settings(void *);

/* Software en/decode functions, set if SW coding required by HW */
void iw_sw_encode(void *, int, u_char *, int);
void iw_sw_decode(void *, int, u_char *, int);

/* Start input/output routines. These usually control DMA. */
int iw_start_output(void *, void *, int, void (*)(void *), void *);
int iw_start_input(void *, void *, int, void (*)(void *), void *);

int iw_init_input(void *, void *, int);
int iw_init_output(void *, void *, int);
int iw_halt_output(void *);
int iw_halt_input(void *);

int iw_speaker_ctl(void *, int);
int iw_getdev(void *, struct audio_device *);

/* Mixer (in/out ports) */
int iw_set_port(void *, mixer_ctrl_t *);
int iw_get_port(void *, mixer_ctrl_t *);

int iw_query_devinfo(void *, mixer_devinfo_t *);

struct malloc_type;
void * iw_malloc(void *, int, size_t);
void iw_free(void *, void *, size_t);
size_t iw_round_buffersize(void *, int, size_t);
int iw_get_props(void *);
void iw_get_locks(void *, kmutex_t **, kmutex_t **);

#endif /* INTERWAVEVAR_H */