/*      $OpenBSD: envyvar.h,v 1.20 2019/04/30 20:29:46 ratchov Exp $    */
/*
 * Copyright (c) 2007 Alexandre Ratchov <alex@caoua.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef SYS_DEV_PCI_ENVYVAR_H
#define SYS_DEV_PCI_ENVYVAR_H

#include <sys/types.h>
#include <sys/device.h>
#include <sys/time.h>
#include <dev/audio_if.h>
#include <dev/midi_if.h>

struct envy_softc;

struct envy_buf {
        bus_dma_segment_t       seg;
        bus_dmamap_t            map;
        caddr_t                 addr;
        size_t                  size;
        unsigned int            swpos;
        unsigned int            bufsz;
        unsigned int            blksz;
};

struct envy_codec {
        char *name;
        int (*ndev)(struct envy_softc *);
        void (*devinfo)(struct envy_softc *, struct mixer_devinfo *, int);
        void (*get)(struct envy_softc *, struct mixer_ctrl *, int);
        int (*set)(struct envy_softc *, struct mixer_ctrl *, int);
};

struct envy_card {
        int subid;
        char *name;
        int nich;
        struct envy_codec *adc;
        int noch;
        struct envy_codec *dac;
        int nmidi;
        void (*init)(struct envy_softc *);
        void (*codec_write)(struct envy_softc *, int, int, int);
        void (*set_rate)(struct envy_softc *, int);
        unsigned char *eeprom;
};

struct envy_softc {
        struct device           dev;
        struct device          *audio;
        int                     isht;           /* is a Envy24HT ? */
        int                     isac97;         /* is a Envy24HT AC97 ? */
        struct envy_buf         ibuf, obuf;
        pcitag_t                pci_tag;
        pci_chipset_tag_t       pci_pc;
        pci_intr_handle_t      *pci_ih;
        bus_dma_tag_t           pci_dmat;
        bus_space_tag_t         ccs_iot;
        bus_space_handle_t      ccs_ioh;
        bus_size_t              ccs_iosz;
        bus_space_tag_t         mt_iot;
        bus_space_handle_t      mt_ioh;
        bus_size_t              mt_iosz;
        int                     iactive;        /* trigger_input called */
        int                     oactive;        /* trigger_output called */
        int                     ibusy;          /* input DMA started */
        int                     obusy;          /* output DMA started */
#ifdef ENVY_DEBUG
        unsigned                spurious;
        struct timespec         start_ts;
#define ENVY_NINTR              16
        unsigned                nintr;
        struct envy_intr {
                int ipos, opos, st, mask, ctl, iactive, oactive;
                struct timespec ts;
        } intrs[ENVY_NINTR];
#endif
        struct envy_card       *card;
        unsigned char           shadow[4][16];
#define ENVY_EEPROM_MAXSZ 32
        unsigned char           eeprom[ENVY_EEPROM_MAXSZ];
        struct ac97_codec_if   *codec_if;
        struct ac97_host_if     host_if;
        enum ac97_host_flags    codec_flags;
        void (*iintr)(void *);
        void *iarg;
        void (*ointr)(void *);
        void *oarg;
#if NMIDI > 0
        void (*midi_in)(void *, int);
        void (*midi_out)(void *);
        void *midi_arg;
        struct device *midi;
        int midi_isopen;
#endif
};

#define ENVY_MIX_CLASSIN        0
#define ENVY_MIX_CLASSOUT       1
#define ENVY_MIX_CLASSMON       2

#define ENVY_MIX_NCLASS         3
#define ENVY_MIX_NOUTSRC        10
#define ENVY_MIX_NMONITOR       20

#define ENVY_MIX_OUTSRC_LINEIN  0
#define ENVY_MIX_OUTSRC_SPDIN   8
#define ENVY_MIX_OUTSRC_DMA     10
#define ENVY_MIX_OUTSRC_MON     11

#endif /* !defined(SYS_DEV_PCI_ENVYVAR_H) */