/*      $NetBSD: paud_isa.c,v 1.19 2020/02/29 05:51:11 isaki Exp $      */

/*-
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* 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.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: paud_isa.c,v 1.19 2020/02/29 05:51:11 isaki Exp $");

#include "audio.h"
#if NAUDIO > 0

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <sys/kmem.h>

#include <sys/bus.h>
#include <machine/intr.h>

#include <sys/audioio.h>
#include <dev/audio/audio_if.h>

#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>

#include <dev/ic/ad1848reg.h>
#include <dev/ic/cs4231reg.h>

#include <dev/isa/ad1848var.h>
#include <dev/isa/cs4231var.h>

#define PAUD_MIC_IN_LVL         0
#define PAUD_LINE_IN_LVL        1
#define PAUD_DAC_LVL            2
#define PAUD_REC_LVL            3
#define PAUD_MONITOR_LVL        4
#define PAUD_MIC_IN_MUTE        5
#define PAUD_LINE_IN_MUTE       6
#define PAUD_DAC_MUTE           7
#define PAUD_MONITOR_MUTE       8
#define PAUD_RECORD_SOURCE      9
#define PAUD_INPUT_CLASS        10
#define PAUD_RECORD_CLASS       11
#define PAUD_MONITOR_CLASS      12


/* autoconfiguration driver */
static void paud_attach_isa(device_t, device_t, void *);
static int  paud_match_isa(device_t, cfdata_t, void *);

CFATTACH_DECL_NEW(paud_isa, sizeof(struct ad1848_isa_softc),
   paud_match_isa, paud_attach_isa, NULL, NULL);

/*
* Define our interface to the higher level audio driver.
*/
static struct audio_device paud_device = {
       "paud,cs4232",
       "",
       ""
};

static int paud_intr(void *);
static int paud_getdev(void *, struct audio_device *);
static int paud_mixer_set_port(void *, mixer_ctrl_t *);
static int paud_mixer_get_port(void *, mixer_ctrl_t *);
static int paud_query_devinfo(void *, mixer_devinfo_t *);

static const struct audio_hw_if paud_hw_if = {
       .open                   = ad1848_isa_open,
       .close                  = ad1848_isa_close,
       .query_format           = ad1848_query_format,
       .set_format             = ad1848_set_format,
       .commit_settings        = ad1848_commit_settings,
       .halt_output            = ad1848_isa_halt_output,
       .halt_input             = ad1848_isa_halt_input,
       .getdev                 = paud_getdev,
       .set_port               = paud_mixer_set_port,
       .get_port               = paud_mixer_get_port,
       .query_devinfo          = paud_query_devinfo,
       .allocm                 = ad1848_isa_malloc,
       .freem                  = ad1848_isa_free,
       .round_buffersize       = ad1848_isa_round_buffersize,
       .get_props              = ad1848_isa_get_props,
       .trigger_output         = ad1848_isa_trigger_output,
       .trigger_input          = ad1848_isa_trigger_input,
       .get_locks              = ad1848_get_locks,
};

/* autoconfig routines */

static int
paud_match_isa(device_t parent, cfdata_t cf, void *aux)
{
       struct ad1848_isa_softc probesc, *sc = &probesc;
       struct isa_attach_args *ia = aux;

       if (ia->ia_io[0].ir_addr != 0x830)
               return 0;

       sc->sc_ad1848.sc_iot = ia->ia_iot;
       sc->sc_ic = ia->ia_ic;
       if (ad1848_isa_mapprobe(sc, ia->ia_io[0].ir_addr)) {
               ia->ia_io[0].ir_size = AD1848_NPORT;
               ad1848_isa_unmap(sc);
               return 1;
       }
       return 0;
}

/*
* Audio chip found.
*/
static void
paud_attach_isa(device_t parent, device_t self, void *aux)
{
       struct ad1848_isa_softc *sc;
       struct isa_attach_args *ia;

       sc = device_private(self);
       sc->sc_ad1848.sc_dev = self;
       ia = aux;
       sc->sc_ad1848.sc_iot = ia->ia_iot;
       sc->sc_ic = ia->ia_ic;

       mutex_init(&sc->sc_ad1848.sc_lock, MUTEX_DEFAULT, IPL_NONE);
       mutex_init(&sc->sc_ad1848.sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);

       if (ad1848_isa_mapprobe(sc, ia->ia_io[0].ir_addr) == 0) {
               aprint_error(": attach failed\n");
               return;
       }
       sc->sc_playdrq = ia->ia_drq[0].ir_drq;
       sc->sc_recdrq = ia->ia_drq[1].ir_drq;
       sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
           IST_EDGE, IPL_AUDIO, paud_intr, sc);
       ad1848_isa_attach(sc);
       aprint_normal("\n");
       audio_attach_mi(&paud_hw_if, &sc->sc_ad1848, self);

}

static int
paud_intr(void *addr)
{
       struct ad1848_isa_softc *sc = addr;
       int ret;

       mutex_spin_enter(&sc->sc_ad1848.sc_intr_lock);
       ret = ad1848_isa_intr(sc);
       mutex_spin_exit(&sc->sc_ad1848.sc_intr_lock);

       return ret;
}

static int
paud_getdev(void *addr, struct audio_device *retp)
{

       *retp = paud_device;
       return 0;
}

static ad1848_devmap_t mappings[] = {
       { PAUD_MIC_IN_LVL, AD1848_KIND_LVL, AD1848_AUX2_CHANNEL },
       { PAUD_LINE_IN_LVL, AD1848_KIND_LVL, AD1848_AUX1_CHANNEL },
       { PAUD_DAC_LVL, AD1848_KIND_LVL, AD1848_DAC_CHANNEL },
       { PAUD_MONITOR_LVL, AD1848_KIND_LVL, AD1848_MONO_CHANNEL },
       { PAUD_MIC_IN_MUTE, AD1848_KIND_MUTE, AD1848_AUX2_CHANNEL },
       { PAUD_LINE_IN_MUTE, AD1848_KIND_MUTE, AD1848_AUX1_CHANNEL },
       { PAUD_DAC_MUTE, AD1848_KIND_MUTE, AD1848_DAC_CHANNEL },
       { PAUD_MONITOR_MUTE, AD1848_KIND_MUTE, AD1848_MONO_CHANNEL },
       { PAUD_REC_LVL, AD1848_KIND_RECORDGAIN, -1 },
       { PAUD_RECORD_SOURCE, AD1848_KIND_RECORDSOURCE, -1}
};

static const int nummap = sizeof(mappings) / sizeof(mappings[0]);

static int
paud_mixer_set_port(void *addr, mixer_ctrl_t *cp)
{
       struct ad1848_softc *ac;

       ac = addr;
       return ad1848_mixer_set_port(ac, mappings, nummap, cp);
}

static int
paud_mixer_get_port(void *addr, mixer_ctrl_t *cp)
{
       struct ad1848_softc *ac;

       ac = addr;
       return ad1848_mixer_get_port(ac, mappings, nummap, cp);
}

static int
paud_query_devinfo(void *addr, mixer_devinfo_t *dip)
{

       switch(dip->index) {
       case PAUD_MIC_IN_LVL:   /* Microphone */
               dip->type = AUDIO_MIXER_VALUE;
               dip->mixer_class = PAUD_INPUT_CLASS;
               dip->prev = AUDIO_MIXER_LAST;
               dip->next = PAUD_MIC_IN_MUTE;
               strcpy(dip->label.name, AudioNmicrophone);
               dip->un.v.num_channels = 2;
               strcpy(dip->un.v.units.name, AudioNvolume);
               break;

       case PAUD_LINE_IN_LVL:  /* line/CD */
               dip->type = AUDIO_MIXER_VALUE;
               dip->mixer_class = PAUD_INPUT_CLASS;
               dip->prev = AUDIO_MIXER_LAST;
               dip->next = PAUD_LINE_IN_MUTE;
               strcpy(dip->label.name, AudioNcd);
               dip->un.v.num_channels = 2;
               strcpy(dip->un.v.units.name, AudioNvolume);
               break;

       case PAUD_DAC_LVL:              /*  dacout */
               dip->type = AUDIO_MIXER_VALUE;
               dip->mixer_class = PAUD_INPUT_CLASS;
               dip->prev = AUDIO_MIXER_LAST;
               dip->next = PAUD_DAC_MUTE;
               strcpy(dip->label.name, AudioNdac);
               dip->un.v.num_channels = 2;
               strcpy(dip->un.v.units.name, AudioNvolume);
               break;

       case PAUD_REC_LVL:      /* record level */
               dip->type = AUDIO_MIXER_VALUE;
               dip->mixer_class = PAUD_RECORD_CLASS;
               dip->prev = AUDIO_MIXER_LAST;
               dip->next = PAUD_RECORD_SOURCE;
               strcpy(dip->label.name, AudioNrecord);
               dip->un.v.num_channels = 2;
               strcpy(dip->un.v.units.name, AudioNvolume);
               break;

       case PAUD_MONITOR_LVL:  /* monitor level */
               dip->type = AUDIO_MIXER_VALUE;
               dip->mixer_class = PAUD_MONITOR_CLASS;
               dip->prev = AUDIO_MIXER_LAST;
               dip->next = PAUD_MONITOR_MUTE;
               strcpy(dip->label.name, AudioNmonitor);
               dip->un.v.num_channels = 1;
               strcpy(dip->un.v.units.name, AudioNvolume);
               break;

       case PAUD_INPUT_CLASS:                  /* input class descriptor */
               dip->type = AUDIO_MIXER_CLASS;
               dip->mixer_class = PAUD_INPUT_CLASS;
               dip->next = dip->prev = AUDIO_MIXER_LAST;
               strcpy(dip->label.name, AudioCinputs);
               break;

       case PAUD_MONITOR_CLASS:                        /* monitor class descriptor */
               dip->type = AUDIO_MIXER_CLASS;
               dip->mixer_class = PAUD_MONITOR_CLASS;
               dip->next = dip->prev = AUDIO_MIXER_LAST;
               strcpy(dip->label.name, AudioCmonitor);
               break;

       case PAUD_RECORD_CLASS:                 /* record source class */
               dip->type = AUDIO_MIXER_CLASS;
               dip->mixer_class = PAUD_RECORD_CLASS;
               dip->next = dip->prev = AUDIO_MIXER_LAST;
               strcpy(dip->label.name, AudioCrecord);
               break;

       case PAUD_MIC_IN_MUTE:
               dip->mixer_class = PAUD_INPUT_CLASS;
               dip->type = AUDIO_MIXER_ENUM;
               dip->prev = PAUD_MIC_IN_LVL;
               dip->next = AUDIO_MIXER_LAST;
               goto mute;

       case PAUD_LINE_IN_MUTE:
               dip->mixer_class = PAUD_INPUT_CLASS;
               dip->type = AUDIO_MIXER_ENUM;
               dip->prev = PAUD_LINE_IN_LVL;
               dip->next = AUDIO_MIXER_LAST;
               goto mute;

       case PAUD_DAC_MUTE:
               dip->mixer_class = PAUD_INPUT_CLASS;
               dip->type = AUDIO_MIXER_ENUM;
               dip->prev = PAUD_DAC_LVL;
               dip->next = AUDIO_MIXER_LAST;
               goto mute;

       case PAUD_MONITOR_MUTE:
               dip->mixer_class = PAUD_MONITOR_CLASS;
               dip->type = AUDIO_MIXER_ENUM;
               dip->prev = PAUD_MONITOR_LVL;
               dip->next = AUDIO_MIXER_LAST;
       mute:
               strcpy(dip->label.name, AudioNmute);
               dip->un.e.num_mem = 2;
               strcpy(dip->un.e.member[0].label.name, AudioNoff);
               dip->un.e.member[0].ord = 0;
               strcpy(dip->un.e.member[1].label.name, AudioNon);
               dip->un.e.member[1].ord = 1;
               break;

       case PAUD_RECORD_SOURCE:
               dip->mixer_class = PAUD_RECORD_CLASS;
               dip->type = AUDIO_MIXER_ENUM;
               dip->prev = PAUD_REC_LVL;
               dip->next = AUDIO_MIXER_LAST;
               strcpy(dip->label.name, AudioNsource);
               dip->un.e.num_mem = 3;
               strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
               dip->un.e.member[0].ord = PAUD_MIC_IN_LVL;
               strcpy(dip->un.e.member[1].label.name, AudioNcd);
               dip->un.e.member[1].ord = PAUD_LINE_IN_LVL;
               strcpy(dip->un.e.member[2].label.name, AudioNdac);
               dip->un.e.member[2].ord = PAUD_DAC_LVL;
               break;

       default:
               return ENXIO;
               /*NOTREACHED*/
       }

       return 0;
}

#endif

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