//------------------------------------------------------------------------------
//      EchoGals/Echo24 BeOS Driver for Echo audio cards
//
//  Copyright (c) 2003, Jérôme Duval
//
//      Permission is hereby granted, free of charge, to any person obtaining a
//      copy of this software and associated documentation files (the "Software"),
//      to deal in the Software without restriction, including without limitation
//      the rights to use, copy, modify, merge, publish, distribute, sublicense,
//      and/or sell copies of the Software, and to permit persons to whom the
//      Software is furnished to do so, subject to the following conditions:
//
//      The above copyright notice and this permission notice shall be included in
//      all copies or substantial portions of the Software.
//
//      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//      IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//      FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//      AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//      LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//      FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//      DEALINGS IN THE SOFTWARE.

#ifndef _ECHO_H_
#define _ECHO_H_

#ifdef CARDBUS
#include <pcmcia/cb_enabler.h>
#else
#include <PCI.h>
#endif
#include "OsSupportBeOS.h"
#include "CEchoGals.h"
#include "hmulti_audio.h"
#include "multi.h"
#include "queue.h"

#define AUTHOR "Jérôme Duval"
#define DEVNAME 32
#define NUM_CARDS 3

/*
 * Echo midi
 */

typedef struct _midi_dev {
        int32           count;
        char            name[64];
        sem_id          midi_ready_sem;
        ECHOGALS_MIDI_IN_CONTEXT        context;
} midi_dev;

#define ECHO_USE_PLAY           (1 << 0)
#define ECHO_USE_RECORD (1 << 1)
#define ECHO_STATE_STARTED      (1 << 0)

/*
 * Streams
 */

typedef struct _echo_stream {
        struct _echo_dev        *card;
        uint8                   use;
        uint8                   state;
        uint8                   bitsPerSample;
        uint32                  sample_rate;
        uint8                           channels;
        uint32                          bufframes;
        uint8                           bufcount;

        WORD                            pipe;
        PDWORD                          position;

        LIST_ENTRY(_echo_stream)        next;

        void                    (*inth) (void *);
        void                    *inthparam;

        echo_mem        *buffer;
        uint16       blksize;   /* in samples */
        uint16       trigblk;   /* blk on which to trigger inth */
        uint16       blkmod;    /* Modulo value to wrap trigblk */

        /* multi_audio */
        volatile int64  frames_count;   // for play or record
        volatile bigtime_t real_time;   // for play or record
        volatile int32  buffer_cycle;   // for play or record
        int32 first_channel;
        bool update_needed;
} echo_stream;


typedef struct _echo_dev {
        char            name[DEVNAME];  /* used for resources */
        pci_info        info;

        uint32  bmbar;
        void *  log_bmbar;
        area_id area_bmbar;
        uint32  irq;
        uint16  type;

        PCEchoGals      pEG;
        ECHOGALS_CAPS   caps;
        NUINT           mixer;
        PCOsSupport pOSS;

        void    *ptb_log_base;
        phys_addr_t     ptb_phy_base;
        area_id ptb_area;

        sem_id buffer_ready_sem;

        LIST_HEAD(, _echo_stream) streams;
        LIST_HEAD(, _echo_mem) mems;

        echo_stream             *pstream;
        echo_stream             *rstream;

        /* multi_audio */
        multi_dev       multi;
#ifdef MIDI_SUPPORT
        midi_dev        midi;
#endif
#ifdef CARDBUS
        bool                            plugged;                                        // Device plugged
        bool                            opened;                                         // Device opened
        int32                           index;
        LIST_ENTRY(_echo_dev)   next;
#endif
} echo_dev;

extern int32 num_cards;
#ifdef CARDBUS
LIST_HEAD(_echodevs, _echo_dev);
extern struct _echodevs devices;
#else
extern echo_dev cards[NUM_CARDS];
#endif

#ifdef __cplusplus
extern "C" {
#endif

status_t echo_stream_set_audioparms(echo_stream *stream, uint8 channels,
                             uint8 bitsPerSample, uint32 sample_ratei, uint8 index);
status_t echo_stream_get_nth_buffer(echo_stream *stream, uint8 chan, uint8 buf,
                                        char** buffer, size_t *stride);
void echo_stream_start(echo_stream *stream, void (*inth) (void *), void *inthparam);
void echo_stream_halt(echo_stream *stream);
echo_stream *echo_stream_new(echo_dev *card, uint8 use, uint32 bufframes, uint8 bufcount);
void echo_stream_delete(echo_stream *stream);

#ifdef __cplusplus
}
#endif


#endif /* _ECHO_H_ */